WO2024250194A1 - Grinding device for manufacturing valve - Google Patents
Grinding device for manufacturing valve Download PDFInfo
- Publication number
- WO2024250194A1 WO2024250194A1 PCT/CN2023/098824 CN2023098824W WO2024250194A1 WO 2024250194 A1 WO2024250194 A1 WO 2024250194A1 CN 2023098824 W CN2023098824 W CN 2023098824W WO 2024250194 A1 WO2024250194 A1 WO 2024250194A1
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- WO
- WIPO (PCT)
- Prior art keywords
- plate
- grinding
- block
- screw
- blank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/36—Single-purpose machines or devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/005—Feeding or manipulating devices specially adapted to grinding machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/12—Devices for exhausting mist of oil or coolant; Devices for collecting or recovering materials resulting from grinding or polishing, e.g. of precious metals, precious stones, diamonds or the like
Definitions
- the invention relates to the technical field of engine valve production and processing, and in particular to a grinding device for manufacturing valves.
- the valve is used to input air into the engine and exhaust the exhaust gas after combustion. It is divided into an intake valve and an exhaust valve.
- the intake valve is used to suck air into the engine and mix it with fuel for combustion, while the exhaust valve is used to exhaust the exhaust gas after combustion and dissipate heat.
- the end of the blank bar that has undergone the cutting process needs to be polished.
- the blank bar is polished by hand, when multiple blank bars are polished at the same time, it is difficult to ensure that the end of all the blank bars and the grinding wheel are in contact and polished to the same degree, which may easily cause the polishing degree of some blank bars to be insufficient and need to be re-polished, which prolongs the processing time.
- the hand-held part since the hand-held part is located on the side of the running polishing equipment, it is easy to pose a threat to operational safety.
- the purpose of the present invention is to provide a grinding device for manufacturing valves, which can effectively solve the technical problems mentioned in the background technology.
- the present invention provides the following technical solutions:
- a grinding device for manufacturing valves comprising a chassis, a grinding wheel for grinding is arranged above the chassis, the grinding wheel is mounted on a transmission shaft, the transmission shaft is connected to a driving motor for providing power for the rotation of the grinding wheel, a grinding positioning assembly is arranged on one side of the grinding wheel, and the grinding positioning assembly can support a plurality of blank bars to be ground at the same time;
- the grinding and positioning assembly comprises a first base plate, a first arc plate is arranged at one end of the first base plate close to the grinding wheel, a discharge slot is formed on the first arc plate, an upper end of the first arc plate is connected to a first fixed plate arranged obliquely, fixed baffles are arranged on both sides of the first base plate, a first support shaft and a second support shaft are arranged between the two fixed baffles, one end of the blank bar material to be ground passes through between the first support shaft and the second support shaft until it contacts the grinding wheel after passing through the discharge slot, and the blank bar material is pressed against the first support shaft and the second support shaft at the same time during the grinding process;
- It also includes a clamping assembly, which is used to position and clamp the blank bar to be ground.
- a first support is provided under the first base plate, a first guide block is connected to the bottom surface of the first base plate, a first guide groove is provided on the first support, the first guide block is installed in the first guide groove and moves along the first guide groove, a first connecting block is connected to the fixed baffle, one end of the first support is connected to the first mounting plate, and one end of the adjusting bolt passes through the first screw hole provided on the first mounting plate and the second screw hole provided on the first fixed block in sequence.
- the clamping assembly includes a first placing plate and a second placing plate, a bar baffle is provided on the upper surface of the second placing plate, a screw fixing seat is provided on the lower surface, two first fixing blocks are correspondingly provided at the bottom of the first placing plate, a first guide hole is opened on the first fixing block, a first screw is passed through the second guide hole, one end of the first screw is connected to the screw fixing seat, a first locking nut and a second locking nut are respectively threadedly connected on both sides of the first fixing block on the first screw, a first limiting plate is connected to the first placing plate, and the blank bar is placed between the first placing plate and the first limiting plate.
- the first limiting plate includes an upper limiting plate and side limiting plates respectively connected to both sides of the upper limiting plate and having an arc-shaped structure, the lower end of the side limiting plate is connected to the first positioning plate, and the first positioning plate is connected to the side wall of the first placement plate.
- it also includes a limiting component, which is used to keep the arrangement order of the blank bars placed on the first placement plate unchanged.
- the limiting assembly includes a second limiting plate, the two sides of the second limiting plate are respectively connected to the first sliding plate and the second sliding plate, the first sliding plate and the second sliding plate are respectively provided with a first sliding groove and a second sliding groove in the vertical direction, one end of the positioning screw passes through the first sliding groove and is connected to the upper wall of the first placement plate, the third locking nut is threadedly connected to the positioning screw and pressed on the first sliding plate, and the outer end of the positioning screw is connected to the first limiting block;
- a second guide slider is arranged in the second slide groove and slides along the second slide groove.
- One end of the second guide slider is connected to the upper side wall of the first placement plate, and the other end is connected to the second limit block.
- the upper surface of the first placement plate and the upper surface of the second placement plate are located on the same plane, and a handle is provided on the bottom surface of the first placement plate.
- the first support is arranged on a fixed base, the bottom of the fixed base is connected to a first mounting block via a first connecting plate, and the first mounting block is connected to the chassis.
- the first guide block is a T-shaped guide block, and the angle between the first fixing plate and the horizontal plane is 30-45 degrees.
- a collecting channel is provided below the grinding wheel, and pollutants dropped during the grinding process enter a collecting box provided in the chassis through the collecting channel.
- the upper end of the collecting channel is large and the lower end is small.
- the blank bar can be pressed on the first support shaft and the second support shaft at the same time. At this time, under the simultaneous pressing action of the first support shaft and the second support shaft on the blank bar, the blank bar is not easy to slide during the grinding process. At the same time, the operator's hand-held part will not come into contact with the grinding wheel, which is conducive to maintaining operational safety. The operator can observe the grinding situation along the inclined first fixed plate.
- the pressed blank bar is pushed on the first placement plate to make the blank bar roll on the first placement plate to ensure that the periphery of the end is evenly ground; the limiting component keeps the arrangement order of the blank bars placed on the first placement plate unchanged, so that the blank bars roll on the first placement plate at the same time to prevent the blank bars from detaching from the first placement plate and causing the end to be not evenly ground; when adjusting the spacing between the second limiting plate and the first placement plate, the second guide slider slides along the second slide groove. After the adjustment is completed, the first sliding plate is pressed against the first placement plate by the third locking nut to achieve the positioning of the second limiting plate.
- FIG1 is a schematic structural diagram of a grinding device for manufacturing valves according to an embodiment of the present invention.
- FIG2 is a schematic diagram of a grinding and positioning assembly from a first viewing angle according to an embodiment of the present invention
- FIG3 is a schematic diagram of a grinding and positioning assembly from a second viewing angle according to an embodiment of the present invention
- FIG4 is a schematic diagram of a grinding and positioning assembly from a third viewing angle in an embodiment of the present invention.
- FIG5 is a schematic diagram of a clamping assembly from a first viewing angle according to an embodiment of the present invention.
- FIG6 is a partial enlarged schematic diagram of A in FIG5 ;
- FIG. 7 is a schematic diagram of a clamping assembly from a second viewing angle according to an embodiment of the present invention.
- FIG8 is a partial enlarged schematic diagram of B in FIG7;
- FIG9 is a schematic diagram of a clamping assembly from a third viewing angle in an embodiment of the present invention.
- a grinding device for manufacturing valves includes a chassis 1, a grinding wheel 2 for grinding is arranged above the chassis 1, the grinding wheel 2 is installed on a transmission shaft, the transmission shaft is connected to a driving motor that provides power for the rotation of the grinding wheel, a grinding positioning assembly is arranged on one side of the grinding wheel 2, and the grinding positioning assembly can support multiple blank bars to be ground at the same time;
- the transmission shaft and the driving motor are installed in a fixed housing 3, the fixed housing 3 is fixed on a housing base 4, and the housing base 4 is installed on the chassis 1;
- the grinding positioning assembly includes a first base plate 5, a first arc plate 6 is arranged on one end of the first base plate 5 close to the grinding wheel 2, a discharge slot 7 is opened on the first arc plate 6, the upper end of the first arc plate 6 is connected to a first fixed plate 8 which is arranged obliquely, fixed baffles 9 are respectively arranged on both sides of the first base plate 5, a first support shaft 10 and a second support shaft 11 are arranged between the two fixed baffles 9, one end of the blank rod to be ground passes through between the first support shaft 10 and the second support shaft 11 until it contacts the grinding wheel 2 after passing through the discharge slot 7, and the blank rod is pressed against the first support shaft 10 and the second support shaft 11 at the same time during the grinding process.
- the blank bar extends through the discharge slot 7 to prevent the operator's hand-held part from contacting the grinding wheel 2 and being injured, and is conducive to preventing the particles generated by grinding from splashing into the eyes and threatening the safety of operation.
- the blank bar is pressed against the first support shaft 10 and the second support shaft 11 at the same time, so that the blank bar can be positioned during grinding;
- the present invention also includes a clamping assembly, which is used to position and clamp the blank bar material to be ground;
- a first support 12 is provided below the first bottom plate 5, a first guide block is connected to the bottom surface of the first bottom plate 5, a first guide groove 13 is provided on the first support 12, the first guide block is installed in the first guide groove 13 and moves along the first guide groove 13, a first connecting block 14 is connected to the fixed baffle 9, one end of the first support 12 is connected to the first mounting plate 15, and one end of the adjusting bolt 16 passes through a first screw hole provided on the first mounting plate 15 and a second screw hole provided on the first fixing block 14 in sequence;
- the distance between the discharge slot 7 and the grinding wheel 2 is adjusted by adjusting the bolt 16, and the inclination angle of the first fixing plate 8 is set to facilitate observation of the grinding condition of the blank bar;
- the clamping assembly includes a first placement plate 17 and a second placement plate 18, a bar baffle 19 is provided on the upper surface of the second placement plate 18, and a screw fixing seat 20 is provided on the lower surface, two first fixing blocks 21 are correspondingly provided at the bottom of the first placement plate 17, a first guide hole is opened on the first fixing block 21, a first screw 22 is passed through the second guide hole, one end of the first screw 22 is connected to the screw fixing seat 20, and the first screw 22 is threadedly connected to the first locking nut 23 and the second locking nut 24 on both sides of the first fixing block 21, respectively, and the first placement plate 17 is connected to the first limiting plate 25, and the blank bar is placed between the first placement plate 17 and the first limiting plate 25;
- the first placement plate 17 moves along the first screw rod 22 along with the first fixing block 21 until one end of the blank bar material abuts against the bar material baffle plate 19, and the other end extends beyond the length of the first placement plate 17 to meet the grinding requirements;
- the first limiting plate 25 includes an upper limiting plate 26 and side limiting plates 27 respectively connected to both sides of the upper limiting plate 26 and having an arc-shaped structure.
- the lower end of the side limiting plate 27 is connected to a first positioning plate 28 , and the first positioning plate 28 is connected to the side wall of the first placement plate 17 .
- the present invention further comprises a limiting assembly, wherein the limiting assembly is used to keep the arrangement order of the blank bars placed on the first placement plate unchanged;
- the limiting assembly includes a second limiting plate 29, the two sides of which are connected to a first sliding plate 30 and a second sliding plate 31, respectively.
- the first sliding plate 30 and the second sliding plate 31 are respectively provided with a first sliding groove 32 and a second sliding groove 33 in the vertical direction, one end of a positioning screw 34 passes through the first sliding groove 32 and is connected to the upper side wall of the first placement plate 17, a third locking nut 35 is threadedly connected to the positioning screw 34 and pressed against the first sliding plate 30, and the outer end of the positioning screw 34 is connected to a first limiting block 36;
- a second guide slider 37 is disposed in the second slide groove 33 and slides along the second slide groove 33.
- One end of the second guide slider 37 is connected to the upper side wall of the first placement plate 17, and the other end is connected to the second limit block 38.
- the upper surface of the first placement plate 17 and the upper surface of the second placement plate 18 are located on the same plane.
- a handle 39 is provided on the bottom surface of the first placement plate 17 . The operator can hold the handle 39 and press the blank bar on the first placement plate 17 .
- the first support 12 is disposed on a fixed base 40, the bottom of the fixed base 40 is connected to a first mounting block via a first connecting plate 41, and the first mounting block is connected to the chassis 1;
- the first guide block is a T-shaped guide block, and the angle between the first fixed plate 8 and the horizontal plane is 30-45 degrees; a collecting channel 42 is arranged below the grinding wheel 2, and the pollutants dropped during the grinding process enter the collecting box arranged in the chassis 1 through the collecting channel 42, and the upper end of the collecting channel 42 is large and the lower end is small.
- the present invention can grind a plurality of blank bars at the same time, and the blank bars only need to be arranged in a layer on the first placement plate 17, and the first placement plate 17 is tilted so that one end of the blank bar contacts the bar baffle 19, and the length of the first placement plate 17 extending from the other end of the blank bar meets the grinding needs, and then the relative position of the first placement plate 17 and the second placement plate 18 is adjusted.
- the first screw rod 22 moves along the first guide hole on the first fixed block 21 until the length of the blank bar extending from the first placement plate 17 meets the needs, so that the first locking nut 23 and the second locking nut 24 on both sides of the first fixed block 21 are pressed against the first fixed block 21, and the relative position of the first placement plate 17 and the second placement plate 18 is kept fixed; thereafter, the blank bar on the first placement plate 17 is pressed and passed through between the first support shaft 10 and the second support shaft 11 until it contacts the grinding wheel 2 after passing through the discharge notch 7, so that the blank bar contacts the grinding wheel 2 evenly, thereby improving the grinding efficiency;
- the blank bar can be pressed against the first support shaft 10 and the second support shaft 11 at the same time.
- the blank bar is not easy to slide during the grinding process.
- the operator's hand-held part will not come into contact with the grinding wheel 2, which is conducive to maintaining the safety of operation.
- the operator can observe the grinding situation along the inclined first fixing plate 8.
- the pressed blank bar is pushed on the first placement plate 17 so that the blank bar is on the first placement plate 17.
- Rolling ensures that the periphery of the end is evenly polished; the limiting component ensures that the arrangement order of the blank bars placed on the first placement plate 17 remains unchanged, so that the blank bars roll simultaneously on the first placement plate 17 to prevent the blank bars from detaching from the first placement plate 17 and causing the end to be not evenly polished; when adjusting the distance between the second limiting plate 29 and the first placement plate 19, the second guide slider 37 slides along the second slide groove 33. After the adjustment is completed, the first sliding plate 30 is pressed against the first placement plate 17 by the third locking nut 35 to achieve the positioning of the second limiting plate 29.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
Description
本发明涉及发动机气门生产加工技术领域，具体涉及一种制造气门用的打磨设备。The invention relates to the technical field of engine valve production and processing, and in particular to a grinding device for manufacturing valves.
气门是用于向发动机内输入空气并排出燃烧后的废气，分为进气门和排气门，进气门是将空气吸入发动机内，与燃料混合燃烧，排气门是将燃烧后的废气排出并散热；在气门的生产加工工序中，需要将经过切割工艺的毛坯棒料的端部进行打磨处理；目前，通过手持毛坯棒料进行打磨，当同时对多个毛坯棒料进行打磨时，难以保证所有毛坯棒料的端部与磨砂轮相互接触打磨程度保持一致，容易造成部分毛坯棒料的打磨程度不够而需要再次重新打磨，延长处理时间；而且打磨过程中由于手持部位位于正在运行的打磨设备的一侧，容易对操作安全造成威胁。The valve is used to input air into the engine and exhaust the exhaust gas after combustion. It is divided into an intake valve and an exhaust valve. The intake valve is used to suck air into the engine and mix it with fuel for combustion, while the exhaust valve is used to exhaust the exhaust gas after combustion and dissipate heat. In the production and processing of the valve, the end of the blank bar that has undergone the cutting process needs to be polished. At present, when the blank bar is polished by hand, when multiple blank bars are polished at the same time, it is difficult to ensure that the end of all the blank bars and the grinding wheel are in contact and polished to the same degree, which may easily cause the polishing degree of some blank bars to be insufficient and need to be re-polished, which prolongs the processing time. In addition, during the polishing process, since the hand-held part is located on the side of the running polishing equipment, it is easy to pose a threat to operational safety.
本发明的目的在于提供一种制造气门用的打磨设备，其可以有效解决背景技术中所提到的技术问题。The purpose of the present invention is to provide a grinding device for manufacturing valves, which can effectively solve the technical problems mentioned in the background technology.
为实现上述目的，本发明提供如下技术方案：To achieve the above object, the present invention provides the following technical solutions:
一种制造气门用的打磨设备，包括机箱，所述机箱的上方设置有用于打磨的磨砂轮，磨砂轮安装于传动轴上，传动轴传动连接为磨砂轮旋转提供动力的驱动电机，所述磨砂轮的一侧设置有打磨定位组件，所述打磨定位组件可以同时对多个待打磨的毛坯棒料进行支撑；A grinding device for manufacturing valves, comprising a chassis, a grinding wheel for grinding is arranged above the chassis, the grinding wheel is mounted on a transmission shaft, the transmission shaft is connected to a driving motor for providing power for the rotation of the grinding wheel, a grinding positioning assembly is arranged on one side of the grinding wheel, and the grinding positioning assembly can support a plurality of blank bars to be ground at the same time;
所述打磨定位组件包括第一底板，所述第一底板上靠近所述磨砂轮的一端设置有第一弧形板，所述第一弧形板上开设有出料槽口，所述第一弧形板的上端连接有倾斜设置的第一固定板，所述第一底板的两侧分别设置有固定挡板，两所述固定挡板之间设置有第一支撑轴和第二支撑轴，待打磨的毛坯棒料的一端穿过所述第一支撑轴和第二支撑轴之间直至经过所述出料槽口后与所述磨砂轮相接触，打磨过程中毛坯棒料同时压紧于第一支撑轴和第二支撑轴上；The grinding and positioning assembly comprises a first base plate, a first arc plate is arranged at one end of the first base plate close to the grinding wheel, a discharge slot is formed on the first arc plate, an upper end of the first arc plate is connected to a first fixed plate arranged obliquely, fixed baffles are arranged on both sides of the first base plate, a first support shaft and a second support shaft are arranged between the two fixed baffles, one end of the blank bar material to be ground passes through between the first support shaft and the second support shaft until it contacts the grinding wheel after passing through the discharge slot, and the blank bar material is pressed against the first support shaft and the second support shaft at the same time during the grinding process;
还包括夹持组件，所述夹持组件用于对待打磨的毛坯棒料进行定位夹持。It also includes a clamping assembly, which is used to position and clamp the blank bar to be ground.
优选地，所述第一底板的下方设置有第一支座，第一底板的底面上连接有第一导向块，所述第一支座上开设有第一导向槽，所述第一导向块安装于第一导向槽中并沿第一导向槽运动，所述固定挡板上连接有第一连接块，所述第一支座的一端连接第一安装板，调节螺栓的一端依次穿过开设于所述第一安装板上的第一螺孔、开设于所述第一固定块上的第二螺孔。Preferably, a first support is provided under the first base plate, a first guide block is connected to the bottom surface of the first base plate, a first guide groove is provided on the first support, the first guide block is installed in the first guide groove and moves along the first guide groove, a first connecting block is connected to the fixed baffle, one end of the first support is connected to the first mounting plate, and one end of the adjusting bolt passes through the first screw hole provided on the first mounting plate and the second screw hole provided on the first fixed block in sequence.
优选地，所述夹持组件包括第一放置板和第二放置板，所述第二放置板的上表面设置有棒料挡板，下表面设置有螺杆固定座，所述第一放置板的底部对应设置有两个第一固定块，所述第一固定块上开设有第一导向孔，所述第二导向孔中穿设有第一螺杆，所述第一螺杆的一端连接于螺杆固定座上，所述第一螺杆上位于所述第一固定块的两侧分别螺纹连接有第一锁紧螺母和第二锁紧螺母，所述第一放置板上连接有第一限位板，毛坯棒料放置于所述第一放置板与第一限位板之间。Preferably, the clamping assembly includes a first placing plate and a second placing plate, a bar baffle is provided on the upper surface of the second placing plate, a screw fixing seat is provided on the lower surface, two first fixing blocks are correspondingly provided at the bottom of the first placing plate, a first guide hole is opened on the first fixing block, a first screw is passed through the second guide hole, one end of the first screw is connected to the screw fixing seat, a first locking nut and a second locking nut are respectively threadedly connected on both sides of the first fixing block on the first screw, a first limiting plate is connected to the first placing plate, and the blank bar is placed between the first placing plate and the first limiting plate.
优选地，所述第一限位板包括上限位板和分别连接于所述上限位板两侧且呈圆弧形结构的侧限位板，所述侧限位板的下端连接第一定位板，所述第一定位板连接于第一放置板的侧壁上。Preferably, the first limiting plate includes an upper limiting plate and side limiting plates respectively connected to both sides of the upper limiting plate and having an arc-shaped structure, the lower end of the side limiting plate is connected to the first positioning plate, and the first positioning plate is connected to the side wall of the first placement plate.
优选地，还包括限位组件，所述限位组件用于使得放置于所述第一放置板上的毛坯棒料的排列顺序保持不变。Preferably, it also includes a limiting component, which is used to keep the arrangement order of the blank bars placed on the first placement plate unchanged.
优选地，所述限位组件包括第二限位板，所述第二限位板的两侧分别连接第一滑动板和第二滑动板，所述第一滑动板和第二滑动板上沿竖直方向分别开设有第一滑槽和第二滑槽，定位螺销的一端穿过所述第一滑槽后连接于第一放置板上侧壁上，第三锁紧螺母螺纹连接于所述定位螺销上并压紧于第一滑动板上，定位螺销的外端连接第一限位块；Preferably, the limiting assembly includes a second limiting plate, the two sides of the second limiting plate are respectively connected to the first sliding plate and the second sliding plate, the first sliding plate and the second sliding plate are respectively provided with a first sliding groove and a second sliding groove in the vertical direction, one end of the positioning screw passes through the first sliding groove and is connected to the upper wall of the first placement plate, the third locking nut is threadedly connected to the positioning screw and pressed on the first sliding plate, and the outer end of the positioning screw is connected to the first limiting block;
所述第二滑槽中设置有第二导向滑块并且第二导向滑块沿着第二滑槽滑动，所述第二导向滑块的一端连接于第一放置板上侧壁上，另一端连接第二限位块。A second guide slider is arranged in the second slide groove and slides along the second slide groove. One end of the second guide slider is connected to the upper side wall of the first placement plate, and the other end is connected to the second limit block.
优选地，所述第一放置板的上表面和第二放置板的上表面位于同一平面上，所述第一放置板的底面设置有握柄。Preferably, the upper surface of the first placement plate and the upper surface of the second placement plate are located on the same plane, and a handle is provided on the bottom surface of the first placement plate.
优选地，所述第一支座设置于固定底座上，所述固定底座的底部通过第一连板连接第一安装块，所述第一安装块连接于所述机箱上。Preferably, the first support is arranged on a fixed base, the bottom of the fixed base is connected to a first mounting block via a first connecting plate, and the first mounting block is connected to the chassis.
优选地，所述第一导向块为T型导向块，所述第一固定板与水平面之间夹角为30-45度。Preferably, the first guide block is a T-shaped guide block, and the angle between the first fixing plate and the horizontal plane is 30-45 degrees.
优选地，所述磨砂轮的下方设置有收集通道，打磨过程中所掉落的污染物由收集通道进入设置于所述机箱内的收集盒中，所述收集通道的上端大、下端小。Preferably, a collecting channel is provided below the grinding wheel, and pollutants dropped during the grinding process enter a collecting box provided in the chassis through the collecting channel. The upper end of the collecting channel is large and the lower end is small.
与现有技术相比，本发明的有益效果是：Compared with the prior art, the present invention has the following beneficial effects:
1、本发明可以同时对多个毛坯棒料进行打磨，只需将毛坯棒料在第一放置板上排成一层，同时将第一放置板倾斜以使得毛坯棒料的一端抵触于棒料挡板上，并根据毛坯棒料另一端延伸出第一放置板的长度满足打磨需要，进而来调整第一放置板与第二放置板的相对位置，调整时，第一螺杆沿着第一固定块上的第一导向孔运动直至延伸出第一放置板的毛坯棒料长度满足需要时，使得第一固定块两侧的第一锁紧螺母和第二锁紧螺母均压紧第一固定块，第一放置板与第二放置板的相对位置保持固定；之后，按住第一放置板上的毛坯棒料并将其穿过第一支撑轴和第二支撑轴之间直至经过出料槽口后与磨砂轮相接触，从而使得毛坯棒料与磨砂轮均匀接触，提高打磨效率。1. The present invention can grind multiple blank rods at the same time, and it only needs to arrange the blank rods in a layer on the first placement plate, and at the same time tilt the first placement plate so that one end of the blank rod is in contact with the rod baffle plate, and according to the length of the other end of the blank rod extending out of the first placement plate to meet the grinding needs, the relative position of the first placement plate and the second placement plate is adjusted. During adjustment, the first screw moves along the first guide hole on the first fixed block until the length of the blank rod extending out of the first placement plate meets the needs, so that the first locking nut and the second locking nut on both sides of the first fixed block are pressed against the first fixed block, and the relative position of the first placement plate and the second placement plate remains fixed; thereafter, the blank rod on the first placement plate is pressed and passed through between the first support shaft and the second support shaft until it contacts the grinding wheel after passing through the discharge groove, so that the blank rod is evenly contacted with the grinding wheel, thereby improving the grinding efficiency.
2、打磨过程中，可以将毛坯棒料同时压紧于第一支撑轴和第二支撑轴上，此时，在第一支撑轴、第二支撑轴同时对毛坯棒料的压紧作用下，毛坯棒料不容易在打磨过程中发生滑动，同时，操作人员的手持部位不会与磨砂轮发生接触，有利于保持操作安全性，操作人员可以顺着倾斜设置的第一固定板观察打磨情况，打磨时将被按住的毛坯棒料在第一放置板上推动以使得毛坯棒料在第一放置板上滚动，保证端部周边被均匀打磨；限位组件使得放置于第一放置板上的毛坯棒料的排列顺序保持不变，使得毛坯棒料在第一放置板上同时滚动以防止毛坯棒料脱离第一放置板而造成端部未完成均匀打磨；调整第二限位板与第一放置板的间距时，第二导向滑块沿着第二滑槽滑动，调整完成后，通过第三锁紧螺母将第一滑动板压紧于第一放置板上以实现对第二限位板的定位。2. During the grinding process, the blank bar can be pressed on the first support shaft and the second support shaft at the same time. At this time, under the simultaneous pressing action of the first support shaft and the second support shaft on the blank bar, the blank bar is not easy to slide during the grinding process. At the same time, the operator's hand-held part will not come into contact with the grinding wheel, which is conducive to maintaining operational safety. The operator can observe the grinding situation along the inclined first fixed plate. During grinding, the pressed blank bar is pushed on the first placement plate to make the blank bar roll on the first placement plate to ensure that the periphery of the end is evenly ground; the limiting component keeps the arrangement order of the blank bars placed on the first placement plate unchanged, so that the blank bars roll on the first placement plate at the same time to prevent the blank bars from detaching from the first placement plate and causing the end to be not evenly ground; when adjusting the spacing between the second limiting plate and the first placement plate, the second guide slider slides along the second slide groove. After the adjustment is completed, the first sliding plate is pressed against the first placement plate by the third locking nut to achieve the positioning of the second limiting plate.
图1是本发明实施例中一种制造气门用的打磨设备的结构示意图；FIG1 is a schematic structural diagram of a grinding device for manufacturing valves according to an embodiment of the present invention;
图2是本发明实施例中打磨定位组件的第一视角示意图；FIG2 is a schematic diagram of a grinding and positioning assembly from a first viewing angle according to an embodiment of the present invention;
图3是本发明实施例中打磨定位组件的第二视角示意图；FIG3 is a schematic diagram of a grinding and positioning assembly from a second viewing angle according to an embodiment of the present invention;
图4是本发明实施例中打磨定位组件的第三视角示意图；FIG4 is a schematic diagram of a grinding and positioning assembly from a third viewing angle in an embodiment of the present invention;
图5是本发明实施例中夹持组件的第一视角示意图；FIG5 is a schematic diagram of a clamping assembly from a first viewing angle according to an embodiment of the present invention;
图6是图5中A的局部放大示意图；FIG6 is a partial enlarged schematic diagram of A in FIG5 ;
图7是本发明实施例中夹持组件的第二视角示意图；7 is a schematic diagram of a clamping assembly from a second viewing angle according to an embodiment of the present invention;
图8是图7中B的局部放大示意图；FIG8 is a partial enlarged schematic diagram of B in FIG7;
图9是本发明实施例中夹持组件的第三视角示意图；FIG9 is a schematic diagram of a clamping assembly from a third viewing angle in an embodiment of the present invention;
图中，1、机箱，2、磨砂轮，3、固定外壳，4、外壳底座，5、第一底板，6、第一弧形板，7、出料槽口，8、第一固定板，9、固定挡板，10、第一支撑轴，11、第二支撑轴，12、第一支座，13、第一导向槽，14、第一连接块，15、第一安装板，16、调节螺栓，17、第一放置板，18、第二放置板，19、棒料挡板，20、螺杆固定座，21、第一固定块，22、第一螺杆，23、第一锁紧螺母，24、第二锁紧螺母，25、第一限位板，26、上限位板，27、侧限位板，28、第一定位板，29、第二限位板，30、第一滑动板，31、第二滑动板，32、第一滑槽，33、第二滑槽，34、定位螺销，35、第三锁紧螺母，36、第一限位块，37、第二导向滑块，38、第二限位块，39、握柄，40、固定底座，41、第一连板，42、收集通道。In the figure, 1, chassis, 2, grinding wheel, 3, fixed shell, 4, shell base, 5, first bottom plate, 6, first arc plate, 7, discharge slot, 8, first fixed plate, 9, fixed baffle, 10, first support shaft, 11, second support shaft, 12, first support, 13, first guide groove, 14, first connecting block, 15, first mounting plate, 16, adjusting bolt, 17, first placement plate, 18, second placement plate, 19, bar baffle, 20, screw fixing seat, 21, first fixed block, 22, first Screw, 23, first locking nut, 24, second locking nut, 25, first limit plate, 26, upper limit plate, 27, side limit plate, 28, first positioning plate, 29, second limit plate, 30, first sliding plate, 31, second sliding plate, 32, first slide groove, 33, second slide groove, 34, positioning screw, 35, third locking nut, 36, first limit block, 37, second guide slider, 38, second limit block, 39, handle, 40, fixed base, 41, first connecting plate, 42, collection channel.
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明的一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
请参阅图1-9所示，一种制造气门用的打磨设备，包括机箱1，所述机箱1的上方设置有用于打磨的磨砂轮2，磨砂轮2安装于传动轴上，传动轴传动连接为磨砂轮旋转提供动力的驱动电机，所述磨砂轮2的一侧设置有打磨定位组件，所述打磨定位组件可以同时对多个待打磨的毛坯棒料进行支撑；传动轴以及驱动电机安装于固定外壳3内，固定外壳3固定于外壳底座4上，外壳底座4安装于机箱1上；Please refer to FIG. 1-9, a grinding device for manufacturing valves includes a chassis 1, a grinding wheel 2 for grinding is arranged above the chassis 1, the grinding wheel 2 is installed on a transmission shaft, the transmission shaft is connected to a driving motor that provides power for the rotation of the grinding wheel, a grinding positioning assembly is arranged on one side of the grinding wheel 2, and the grinding positioning assembly can support multiple blank bars to be ground at the same time; the transmission shaft and the driving motor are installed in a fixed housing 3, the fixed housing 3 is fixed on a housing base 4, and the housing base 4 is installed on the chassis 1;
所述打磨定位组件包括第一底板5，所述第一底板5上靠近所述磨砂轮2的一端设置有第一弧形板6，所述第一弧形板6上开设有出料槽口7，所述第一弧形板6的上端连接有倾斜设置的第一固定板8，所述第一底板5的两侧分别设置有固定挡板9，两所述固定挡板9之间设置有第一支撑轴10和第二支撑轴11，待打磨的毛坯棒料的一端穿过所述第一支撑轴10和第二支撑轴11之间直至经过所述出料槽口7后与所述磨砂轮2相接触，打磨过程中毛坯棒料同时压紧于第一支撑轴10和第二支撑轴11上。The grinding positioning assembly includes a first base plate 5, a first arc plate 6 is arranged on one end of the first base plate 5 close to the grinding wheel 2, a discharge slot 7 is opened on the first arc plate 6, the upper end of the first arc plate 6 is connected to a first fixed plate 8 which is arranged obliquely, fixed baffles 9 are respectively arranged on both sides of the first base plate 5, a first support shaft 10 and a second support shaft 11 are arranged between the two fixed baffles 9, one end of the blank rod to be ground passes through between the first support shaft 10 and the second support shaft 11 until it contacts the grinding wheel 2 after passing through the discharge slot 7, and the blank rod is pressed against the first support shaft 10 and the second support shaft 11 at the same time during the grinding process.
打磨时，毛坯棒料延伸经过出料槽口7以避免操作人员的手持部位与磨砂轮2接触而受到伤害，并且有利于防止打磨所产生的颗粒物飞溅入眼部而威胁操作安全，毛坯棒料同时压紧于第一支撑轴10和第二支撑轴11上可以在打磨中实现毛坯棒料的定位；During grinding, the blank bar extends through the discharge slot 7 to prevent the operator's hand-held part from contacting the grinding wheel 2 and being injured, and is conducive to preventing the particles generated by grinding from splashing into the eyes and threatening the safety of operation. The blank bar is pressed against the first support shaft 10 and the second support shaft 11 at the same time, so that the blank bar can be positioned during grinding;
本发明还包括夹持组件，所述夹持组件用于对待打磨的毛坯棒料进行定位夹持；The present invention also includes a clamping assembly, which is used to position and clamp the blank bar material to be ground;
所述第一底板5的下方设置有第一支座12，第一底板5的底面上连接有第一导向块，所述第一支座12上开设有第一导向槽13，所述第一导向块安装于第一导向槽13中并沿第一导向槽13运动，所述固定挡板9上连接有第一连接块14，所述第一支座12的一端连接第一安装板15，调节螺栓16的一端依次穿过开设于所述第一安装板15上的第一螺孔、开设于所述第一固定块14上的第二螺孔；A first support 12 is provided below the first bottom plate 5, a first guide block is connected to the bottom surface of the first bottom plate 5, a first guide groove 13 is provided on the first support 12, the first guide block is installed in the first guide groove 13 and moves along the first guide groove 13, a first connecting block 14 is connected to the fixed baffle 9, one end of the first support 12 is connected to the first mounting plate 15, and one end of the adjusting bolt 16 passes through a first screw hole provided on the first mounting plate 15 and a second screw hole provided on the first fixing block 14 in sequence;
通过调节螺栓16调整出料槽口7与磨砂轮2之间的间距，同时通过设置第一固定板8的倾斜角度以便于观察毛坯棒料的打磨情况；The distance between the discharge slot 7 and the grinding wheel 2 is adjusted by adjusting the bolt 16, and the inclination angle of the first fixing plate 8 is set to facilitate observation of the grinding condition of the blank bar;
所述夹持组件包括第一放置板17和第二放置板18，所述第二放置板18的上表面设置有棒料挡板19，下表面设置有螺杆固定座20，所述第一放置板17的底部对应设置有两个第一固定块21，所述第一固定块21上开设有第一导向孔，所述第二导向孔中穿设有第一螺杆22，所述第一螺杆22的一端连接于螺杆固定座20上，所述第一螺杆22上位于所述第一固定块21的两侧分别螺纹连接有第一锁紧螺母23和第二锁紧螺母24，所述第一放置板17上连接有第一限位板25，毛坯棒料放置于所述第一放置板17与第一限位板25之间；The clamping assembly includes a first placement plate 17 and a second placement plate 18, a bar baffle 19 is provided on the upper surface of the second placement plate 18, and a screw fixing seat 20 is provided on the lower surface, two first fixing blocks 21 are correspondingly provided at the bottom of the first placement plate 17, a first guide hole is opened on the first fixing block 21, a first screw 22 is passed through the second guide hole, one end of the first screw 22 is connected to the screw fixing seat 20, and the first screw 22 is threadedly connected to the first locking nut 23 and the second locking nut 24 on both sides of the first fixing block 21, respectively, and the first placement plate 17 is connected to the first limiting plate 25, and the blank bar is placed between the first placement plate 17 and the first limiting plate 25;
调整第一放置板17和第二放置板18的相对位置时，第一放置板17随着第一固定块21沿第一螺杆22运动直至毛坯棒料的一端抵触于棒料挡板19上，另一端延伸出第一放置板17的长度满足打磨需要；When adjusting the relative positions of the first placement plate 17 and the second placement plate 18, the first placement plate 17 moves along the first screw rod 22 along with the first fixing block 21 until one end of the blank bar material abuts against the bar material baffle plate 19, and the other end extends beyond the length of the first placement plate 17 to meet the grinding requirements;
所述第一限位板25包括上限位板26和分别连接于所述上限位板26两侧且呈圆弧形结构的侧限位板27，所述侧限位板27的下端连接第一定位板28，所述第一定位板28连接于第一放置板17的侧壁上。The first limiting plate 25 includes an upper limiting plate 26 and side limiting plates 27 respectively connected to both sides of the upper limiting plate 26 and having an arc-shaped structure. The lower end of the side limiting plate 27 is connected to a first positioning plate 28 , and the first positioning plate 28 is connected to the side wall of the first placement plate 17 .
本发明还包括限位组件，所述限位组件用于使得放置于所述第一放置板上的毛坯棒料的排列顺序保持不变；The present invention further comprises a limiting assembly, wherein the limiting assembly is used to keep the arrangement order of the blank bars placed on the first placement plate unchanged;
所述限位组件包括第二限位板29，所述第二限位板29的两侧分别连接第一滑动板30和第二滑动板31，所述第一滑动板30和第二滑动板31上沿竖直方向分别开设有第一滑槽32和第二滑槽33，定位螺销34的一端穿过所述第一滑槽32后连接于第一放置板17上侧壁上，第三锁紧螺母35螺纹连接于所述定位螺销34上并压紧于第一滑动板30上，定位螺销34的外端连接第一限位块36；The limiting assembly includes a second limiting plate 29, the two sides of which are connected to a first sliding plate 30 and a second sliding plate 31, respectively. The first sliding plate 30 and the second sliding plate 31 are respectively provided with a first sliding groove 32 and a second sliding groove 33 in the vertical direction, one end of a positioning screw 34 passes through the first sliding groove 32 and is connected to the upper side wall of the first placement plate 17, a third locking nut 35 is threadedly connected to the positioning screw 34 and pressed against the first sliding plate 30, and the outer end of the positioning screw 34 is connected to a first limiting block 36;
调整第二限位板29与第一放置板17之间的相对位置，使得毛坯棒料在第一放置板17上排成一层且毛坯棒料可在第一放置板17上滚动但已在第一放置板17上排列好的毛坯棒料保持不变；Adjust the relative position between the second limiting plate 29 and the first placing plate 17 so that the blank bars are arranged in one layer on the first placing plate 17 and the blank bars can roll on the first placing plate 17 but the blank bars arranged on the first placing plate 17 remain unchanged;
所述第二滑槽33中设置有第二导向滑块37并且第二导向滑块37沿着第二滑槽33滑动，所述第二导向滑块37的一端连接于第一放置板17上侧壁上，另一端连接第二限位块38；A second guide slider 37 is disposed in the second slide groove 33 and slides along the second slide groove 33. One end of the second guide slider 37 is connected to the upper side wall of the first placement plate 17, and the other end is connected to the second limit block 38.
所述第一放置板17的上表面和第二放置板18的上表面位于同一平面上，所述第一放置板17的底面设置有握柄39，操作人员可以手握握柄39，并按住第一放置板17上的毛坯棒料。The upper surface of the first placement plate 17 and the upper surface of the second placement plate 18 are located on the same plane. A handle 39 is provided on the bottom surface of the first placement plate 17 . The operator can hold the handle 39 and press the blank bar on the first placement plate 17 .
所述第一支座12设置于固定底座40上，所述固定底座40的底部通过第一连板41连接第一安装块，所述第一安装块连接于所述机箱1上；The first support 12 is disposed on a fixed base 40, the bottom of the fixed base 40 is connected to a first mounting block via a first connecting plate 41, and the first mounting block is connected to the chassis 1;
所述第一导向块为T型导向块，所述第一固定板8与水平面之间夹角为30-45度；所述磨砂轮2的下方设置有收集通道42，打磨过程中所掉落的污染物由收集通道42进入设置于所述机箱1内的收集盒中，所述收集通道42的上端大、下端小。The first guide block is a T-shaped guide block, and the angle between the first fixed plate 8 and the horizontal plane is 30-45 degrees; a collecting channel 42 is arranged below the grinding wheel 2, and the pollutants dropped during the grinding process enter the collecting box arranged in the chassis 1 through the collecting channel 42, and the upper end of the collecting channel 42 is large and the lower end is small.
本发明可以同时对多个毛坯棒料进行打磨，只需将毛坯棒料在第一放置板17上排成一层，同时将第一放置板17倾斜以使得毛坯棒料的一端抵触于棒料挡板19上，并根据毛坯棒料另一端延伸出第一放置板17的长度满足打磨需要，进而来调整第一放置板17与第二放置板18的相对位置，调整时，第一螺杆22沿着第一固定块21上的第一导向孔运动直至延伸出第一放置板17的毛坯棒料长度满足需要时，使得第一固定块21两侧的第一锁紧螺母23和第二锁紧螺母24均压紧第一固定块21，第一放置板17与第二放置板18的相对位置保持固定；之后，按住第一放置板17上的毛坯棒料并将其穿过第一支撑轴10和第二支撑轴11之间直至经过出料槽口7后与磨砂轮2相接触，从而使得毛坯棒料与磨砂轮2均匀接触，提高打磨效率；The present invention can grind a plurality of blank bars at the same time, and the blank bars only need to be arranged in a layer on the first placement plate 17, and the first placement plate 17 is tilted so that one end of the blank bar contacts the bar baffle 19, and the length of the first placement plate 17 extending from the other end of the blank bar meets the grinding needs, and then the relative position of the first placement plate 17 and the second placement plate 18 is adjusted. During the adjustment, the first screw rod 22 moves along the first guide hole on the first fixed block 21 until the length of the blank bar extending from the first placement plate 17 meets the needs, so that the first locking nut 23 and the second locking nut 24 on both sides of the first fixed block 21 are pressed against the first fixed block 21, and the relative position of the first placement plate 17 and the second placement plate 18 is kept fixed; thereafter, the blank bar on the first placement plate 17 is pressed and passed through between the first support shaft 10 and the second support shaft 11 until it contacts the grinding wheel 2 after passing through the discharge notch 7, so that the blank bar contacts the grinding wheel 2 evenly, thereby improving the grinding efficiency;
打磨过程中，可以将毛坯棒料同时压紧于第一支撑轴10和第二支撑轴11上，此时，在第一支撑轴10、第二支撑轴11同时对毛坯棒料的压紧作用下，毛坯棒料不容易在打磨过程中发生滑动，同时，操作人员的手持部位不会与磨砂轮2发生接触，有利于保持操作安全性，操作人员可以顺着倾斜设置的第一固定板8观察打磨情况，打磨时将被按住的毛坯棒料在第一放置板17上推动以使得毛坯棒料在第一放置板17上滚动，保证端部周边被均匀打磨；限位组件使得放置于第一放置板17上的毛坯棒料的排列顺序保持不变，使得毛坯棒料在第一放置板17上同时滚动以防止毛坯棒料脱离第一放置板17而造成端部未完成均匀打磨；调整第二限位板29与第一放置板19的间距时，第二导向滑块37沿着第二滑槽33滑动，调整完成后，通过第三锁紧螺母35将第一滑动板30压紧于第一放置板17上以实现对第二限位板29的定位。During the grinding process, the blank bar can be pressed against the first support shaft 10 and the second support shaft 11 at the same time. At this time, under the pressing action of the first support shaft 10 and the second support shaft 11 on the blank bar, the blank bar is not easy to slide during the grinding process. At the same time, the operator's hand-held part will not come into contact with the grinding wheel 2, which is conducive to maintaining the safety of operation. The operator can observe the grinding situation along the inclined first fixing plate 8. During grinding, the pressed blank bar is pushed on the first placement plate 17 so that the blank bar is on the first placement plate 17. Rolling ensures that the periphery of the end is evenly polished; the limiting component ensures that the arrangement order of the blank bars placed on the first placement plate 17 remains unchanged, so that the blank bars roll simultaneously on the first placement plate 17 to prevent the blank bars from detaching from the first placement plate 17 and causing the end to be not evenly polished; when adjusting the distance between the second limiting plate 29 and the first placement plate 19, the second guide slider 37 slides along the second slide groove 33. After the adjustment is completed, the first sliding plate 30 is pressed against the first placement plate 17 by the third locking nut 35 to achieve the positioning of the second limiting plate 29.
以上内容仅仅是对本发明结构所作的举例和说明，所属本技术领域的技术人员对所描述的具体实施例做各种各样的修改或补充或采用类似的方式替代，只要不偏离本发明的结构或者超越本权利要求书所定义的范围，均应属于本发明的保护范围。。The above contents are merely examples and explanations of the structure of the present invention. The technicians in the relevant technical field may make various modifications or supplements to the specific embodiments described, or replace them in similar ways. As long as they do not deviate from the structure of the present invention or exceed the scope defined by the claims, they shall all fall within the protection scope of the present invention.
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| CN202310659508.1A CN116984962B (en) | 2023-06-06 | 2023-06-06 | A grinding device for manufacturing valves |
| CN202310659508.1 | 2023-06-06 |
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| CN119388261A (en) * | 2024-12-31 | 2025-02-07 | 台州欧克科技股份有限公司 | A water pump sealing surface grinding device |
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| CN116984962A (en) | 2023-11-03 |
| CN116984962B (en) | 2024-09-27 |
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