CN111055204A - An automatic loading and unloading machine - Google Patents
An automatic loading and unloading machine Download PDFInfo
- Publication number
- CN111055204A CN111055204A CN202010024728.3A CN202010024728A CN111055204A CN 111055204 A CN111055204 A CN 111055204A CN 202010024728 A CN202010024728 A CN 202010024728A CN 111055204 A CN111055204 A CN 111055204A
- Authority
- CN
- China
- Prior art keywords
- grinding wheel
- output end
- slide rail
- unloading
- cylinder
- 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
- B24B27/00—Other grinding machines or devices
- B24B27/06—Grinders for cutting-off
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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
- B24B41/02—Frames; Beds; Carriages
-
- 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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/14—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by liquid or gas pressure
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
The invention discloses an automatic feeding and discharging differential machine, which comprises a three-shaft sliding rail and a charging tray part, wherein the three-shaft sliding rail is arranged on the side part of a processed material output end of the differential machine, the charging tray part is used for placing finished materials and semi-finished materials, the tail end of the three-shaft sliding rail is provided with a feeding and discharging device used for clamping the materials between the charging tray part and the output end of the differential machine, the feeding and discharging device is rotatably connected with the tail end of the three-shaft sliding rail, and the side part of the differential machine, which is used for clamping the processed material output end, is provided; by adopting the technical scheme, the automation of feeding and discharging of the differential motion machine is realized, parts with higher precision can be processed, the automatic feeding and discharging device is suitable for various different actual production conditions, and the production efficiency is improved.
Description
Technical Field
The invention belongs to the field of machining, and particularly relates to an automatic feeding and discharging differential cutting machine.
Background
Along with the continuous development of society, in the machining field, the grinding machine kind that is used for machining is also numerous day by day, the demand of machining grinding machine is also increasing constantly, present most machining grinding machines adopt the technique of getting material, deciding material and blank integration more, under this kind of technical feature, the position of manual control stock cutter and blade carries out the material cutting and polishes in the blank process, rely on operating personnel's subjective judgement to adjust stock cutter, the labour has been wasted, and the timeliness of blank is poor, the material is polished inaccurately inadequately, and the operation is inconvenient, the stability and the security performance of device are low, easily produce life safety's threat to field operation staff.
Disclosure of Invention
The invention aims to solve the technical problem of providing an automatic feeding and discharging differential machine for part processing.
In order to achieve the purpose, the invention adopts the technical scheme that:
a differential mechanism for automatic feeding and discharging comprises a three-shaft sliding rail arranged on the side part of a processed material output end of the differential mechanism and a tray part for placing finished materials and semi-finished materials, wherein a feeding and discharging device for clamping the materials between the tray part and the output end of the differential mechanism is arranged at the tail end of the three-shaft sliding rail and is rotationally connected with the tail end of the three-shaft sliding rail;
the platform for placing materials on the material tray part is arranged to be higher than the top of the output end of the differential motion machine, and two shafts of the three-shaft sliding rail are arranged to be higher than the material tray part;
the feeding and discharging device and the mechanism for controlling the rotation of the feeding and discharging device are connected with a controller in the differential motion machine, and the controller is also provided with a signal output end for connecting a three-axis slide rail so as to output a control signal to the three-axis slide rail and control the three-axis slide rail to drive the feeding and discharging device to move between the tray part and the output end of the differential motion machine;
and a grinding wheel auxiliary device for assisting in cutting the material is arranged on the side part of the clamping and processing material output end of the differential cutting machine.
The invention discloses an automatic feeding and discharging differential machine, wherein a feeding and discharging device comprises a clamp for clamping materials, a triangular support for fixing the clamp and a rotary cylinder for controlling the clamp to rotate, the output end of the rotary cylinder is arranged on the vertical side part of the output end of a three-axis slide rail and is arranged on the side surface of the rotary cylinder, and the clamp is fixedly connected with the output end of the rotary cylinder so as to drive the clamp to rotate around the output end of the rotary cylinder.
The invention discloses an automatic feeding and discharging differential machine, which comprises a first clamping jaw, a second clamping jaw and a supporting rod, wherein the first clamping jaw and the second clamping jaw are used for taking materials and placing the materials, the supporting rod is connected with the output end of a rotary cylinder, air cylinders for controlling the clamping jaws to be opened and closed and electromagnetic valves connected with a controller are arranged in the first clamping jaw and the second clamping jaw, the opening and closing signal input end of each air cylinder is connected with the controller through the electromagnetic valves so as to output opening and closing signals to the electromagnetic valves through the controller to control the air cylinders to be opened and closed, and the first clamping jaw and the second clamping jaw are fixedly connected to the end part of the supporting rod and are rotatably connected with the rotary cylinder.
The invention discloses an automatic feeding and discharging differential machine, wherein a material tray part comprises a first material tray and a second material tray which are used for containing finished materials and blanks respectively, and a support column which is used for supporting the material trays to be vertically higher than the output end of the differential machine.
The invention discloses an automatic feeding and discharging differential machine, which comprises a cross shaft slide rail in the axis direction of the output end of the differential machine, a longitudinal shaft slide rail perpendicular to the cross shaft direction in the same bottom surface, and a vertical shaft slide rail perpendicular to the bottom surface, wherein the feeding and discharging device at the tail end is controlled to move in a working space through the slide rails connected in a sliding manner, stepping motors used for controlling the sliding of the cross shaft slide rail, the longitudinal shaft slide rail and the vertical shaft slide rail are respectively provided with a stepping motor, and the opening and closing signal input ends of the stepping motors arranged in the slide rails are electrically connected to a controller.
The invention discloses an automatic feeding and discharging differential machine, wherein a grinding wheel auxiliary device comprises a positioning device and a grinding wheel cutting device, the positioning device is used for fixing a material to be processed, the positioning device is arranged at the tail end of the output end of the differential machine, the grinding wheel cutting device is arranged at the other end, away from the output end of the differential machine, of the positioning device, a grinding wheel group used for grinding the material to be processed is arranged in the grinding wheel cutting device, and a control signal output end in the grinding wheel cutting device is electrically connected with a controller arranged in the differential machine.
The invention discloses an automatic feeding and discharging differential machine, wherein a positioning device comprises a cross rod for extruding a material to be processed, a frame for supporting the cross rod and an air cylinder for controlling the end part of the cross rod to lift or fall, one end of the cross rod is hinged to one end of the frame, the other end of the cross rod is fixedly connected with the output end of the air cylinder, a disc for clamping the material to be processed is arranged at one end of the cross rod close to the air cylinder, and the signal output end of the air cylinder is connected to a controller so as to control the air cylinder to lift and drive the end part of the cross rod to lift or fall through the output signal of the controller.
The invention discloses an automatic feeding and discharging differential machine, wherein a grinding wheel cutting device comprises a first grinding wheel and a second grinding wheel, the first grinding wheel is used for axially cutting the surface of an object to be processed, the second grinding wheel is used for obliquely cutting the surface of the object to be processed, a shared moving track is arranged at the bottom of the first grinding wheel and the bottom of the second grinding wheel, the first grinding wheel and the second grinding wheel move along the direction vertical to the material to be processed through the moving track at the bottom, a propelling mechanism used for propelling the first grinding wheel and the second grinding wheel to move is arranged in the moving track, a first motor and a second motor for controlling the grinding wheels to rotate are arranged in the first grinding wheel and the second grinding wheel, and control signal output ends of the first motor and the second motor are electrically connected with a controller in the differential machine.
Adopt this technical scheme, through adopting the anchor clamps that the cooperation of triaxial slide rail can be rotatory, realize the automatic unloading of disconnected poor machine course of working, and because the setting mode of present case is that charging tray and anchor clamps all are located the top of disconnected poor machine output, consequently, can practice thrift the inner space of disconnected poor machine, integrate the setting with the device, precision finishing's emery wheel auxiliary device has still been adopted to this case simultaneously, consequently, the disconnected poor machine that the present case is disclosed can process the machine parts of higher precision, with the multiple different situation of cooperation spare part processing, be favorable to the complicated processing condition in the in-service use, consequently, through increasing emery wheel auxiliary device, can increase the machining precision of disconnected poor machine, and the production efficiency is improved.
The invention will be explained in more detail below with reference to the drawings and examples.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
FIG. 1 is a schematic view of an automatic feeding and discharging differential machine according to the present invention;
FIG. 2 is a schematic structural view of the abrasive wheel cutting apparatus according to the present invention;
FIG. 3 is a schematic structural view of a positioning device of the abrasive wheel cutting device according to the present invention;
FIG. 4 is a schematic structural view of a loading and unloading device in the present invention;
fig. 5 is a schematic structural view of a three-axis slide rail according to the present invention.
Labeled as: 1. a three-axis slide rail; 2. a tray section; 3. an output end of the offset machine; 4. a first mobile base; 5. a second mobile base; 6. a first grinding wheel; 7. a second grinding wheel; 8. a moving track; 9. a frame; 10. a cylinder; 11. a cross bar; 12. a disc; 13. a triangular bracket; 14. a rotating cylinder; 15. a support bar; 16. a cylinder; 17. a cross-shaft slide rail; 18. a longitudinal axis slide rail; 19. a vertical axis slide rail; 20. a stepping motor; 21. a loading and unloading device.
Detailed Description
The following description of the embodiments of the present invention, with reference to the accompanying drawings, will be made in further detail for the purpose of providing a more complete, accurate and thorough understanding of the inventive concepts and technical solutions of the present invention, including the shapes of the components, the structures, the mutual positions and connection relationships of the components, the functions and operating principles of the components, the manufacturing processes, the operation and use methods, and the like.
Fig. 1 is a schematic view of an automatic feeding and discharging differential machine of the present invention, and fig. 5 is a schematic view of a three-axis slide rail of the present invention; the automatic feeding and discharging differential machine comprises a triaxial slide rail 1 and a material tray part 2, wherein the triaxial slide rail 1 is arranged on the side part of a material output end 3 of the differential machine for machining, the material tray part 2 is used for placing finished materials and semi-finished materials, a feeding and discharging device 21 is arranged at the tail end of the triaxial slide rail 1 and used for clamping the materials and placed between the material tray part 2 and the output end of the differential machine, and the feeding and discharging device 21 is rotatably connected with the tail end of the triaxial slide rail 1; the platform of the tray part 2 for placing materials is arranged to be higher than the top of the output end 3 of the offset machine, and two shafts of the three-shaft sliding rail 1 are arranged to be higher than the tray part 2; the feeding and discharging device 21 and a mechanism for controlling the rotation of the feeding and discharging device are both connected with a controller in the differential machine, and the controller is also provided with a signal output end for connecting the three-axis slide rail 1 so as to output a control signal to the three-axis slide rail 1 and control the three-axis slide rail 1 to drive the feeding and discharging device to move between the material tray part 2 and the output end 3 of the differential machine; a grinding wheel auxiliary device for assisting in cutting the material is arranged on the side part of the clamping and processing material output end 3 of the differential cutting machine; the tray part 2 comprises a first tray and a second tray which are used for containing finished materials and blanks respectively, and a support column which is used for supporting the trays to be vertically higher than the output end 1 of the differential mechanism;
fig. 4 is a schematic structural diagram of the loading and unloading device of the present invention, the loading and unloading device as shown in the figure comprises a clamp for clamping a material, a triangular bracket 13 for fixing the clamp, and a rotary cylinder 14 for controlling the rotation of the clamp, an output end of the rotary cylinder 14 is arranged at a vertical side of an output end of a three-axis slide rail and is arranged at a side surface of the rotary cylinder 14, wherein the clamp is fixedly connected with the output end of the rotary cylinder 14, so that the rotary cylinder 14 drives the clamp to rotate around the output end thereof; anchor clamps are including being used for taking the material and placing the first clamping jaw and the second clamping jaw of material, and connect the bracing piece 15 of 14 outputs of revolving cylinder, all be equipped with the cylinder 10 of control clamping jaw switching in first clamping jaw and the second clamping jaw and the solenoid valve that links to each other with the controller, the switching signal input of cylinder 10 passes through the solenoid valve and links to each other with the controller to export switching signal in 10 switching of solenoid valve control cylinder through the controller, first clamping jaw and second clamping jaw fixed connection are connected in the tip of bracing piece 15 and rotate with revolving cylinder 14 through the other end of horizontal pole and link to each other.
Fig. 3 is a schematic structural diagram of a positioning device of the abrasive wheel cutting device according to the present invention, where the positioning device as shown in the figure includes a cross bar 11 for extruding the material to be processed, a frame 9 for supporting the cross bar, and a cylinder 10 for controlling the end of the cross bar 11 to lift or fall, one end of the cross bar 11 is hinged to one end of the frame 9, the other end of the cross bar 11 is fixedly connected to an output end of the cylinder 10, a disc 12 for clamping the material to be processed is disposed at one end of the cross bar 11 close to the cylinder 10, and a signal output end of the cylinder 10 is connected to a controller, so as to control the cylinder to lift and drive the end of the cross bar.
Fig. 5 is a schematic structural diagram of a three-axis slide rail according to the present invention, where the three-axis slide rail includes a horizontal axis slide rail 17 in the axial direction of the output end of the differential mechanism, a vertical axis slide rail 18 perpendicular to the horizontal axis direction in the same bottom surface, and a vertical axis slide rail 19 perpendicular to the bottom surface, and the loading and unloading device at the end is controlled by the slide rails connected in a sliding manner to move in a working space, where the horizontal axis slide rail 17, the vertical axis slide rail 18, and the vertical axis slide rail 19 are all provided with a stepping motor 20 for controlling the sliding thereof, and the opening and closing signal input ends of the stepping motors arranged in the slide rails are all electrically connected;
fig. 2 is a schematic structural diagram of the abrasive wheel cutting device according to the present invention, the abrasive wheel cutting device as shown in the figure includes a first abrasive wheel 6 for axially cutting the surface of the object to be processed and a second abrasive wheel 7 for obliquely cutting the surface of the object to be processed, a common moving track 8 is disposed at the bottom of the first abrasive wheel 6 and the bottom of the second abrasive wheel 7, the first abrasive wheel 6 and the second abrasive wheel 7 move along a direction perpendicular to the object to be processed through the moving track 8 at the bottom, a propelling mechanism for propelling the first abrasive wheel 6 and the second abrasive wheel 7 to move is disposed in the moving track 8, a first motor and a second motor for controlling the rotation of the abrasive wheels are disposed in the first abrasive wheel 6 and the second abrasive wheel 7, and control signal output ends of the first motor and the second motor are electrically connected to a controller in the differential motion machine.
Adopt this technical scheme, through adopting the anchor clamps that the cooperation of triaxial slide rail can be rotatory, realize the automatic unloading of disconnected poor machine course of working, and because the setting mode of present case is that charging tray and anchor clamps all are located the top of disconnected poor machine output, consequently, can practice thrift the inner space of disconnected poor machine, integrate the setting with the device, precision finishing's emery wheel auxiliary device has still been adopted to this case simultaneously, consequently, the disconnected poor machine that the present case is disclosed can process the machine parts of higher precision, with the multiple different situation of cooperation spare part processing, be favorable to the complicated processing condition in the in-service use, consequently, through increasing emery wheel auxiliary device, can increase the machining precision of disconnected poor machine, and the production efficiency is improved.
The invention has been described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the specific implementation in the above-described manner, and it is within the scope of the invention to apply the inventive concept and solution to other applications without substantial modification.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010024728.3A CN111055204A (en) | 2020-01-10 | 2020-01-10 | An automatic loading and unloading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010024728.3A CN111055204A (en) | 2020-01-10 | 2020-01-10 | An automatic loading and unloading machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111055204A true CN111055204A (en) | 2020-04-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010024728.3A Pending CN111055204A (en) | 2020-01-10 | 2020-01-10 | An automatic loading and unloading machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN111055204A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114905286A (en) * | 2022-05-23 | 2022-08-16 | 杭州泰博包装材料有限公司 | Integral type aluminum pipe trimming device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105921792A (en) * | 2016-07-06 | 2016-09-07 | 哈尔滨理工大学 | Drill jig used for rear axle shell machining |
| CN206104961U (en) * | 2016-10-17 | 2017-04-19 | 江苏华祥机械制造有限公司 | Lathe handle axle boring grab |
| CN208179278U (en) * | 2018-05-07 | 2018-12-04 | 南京立顶智能科技有限公司 | A kind of grinding machine charging and discharging manipulator |
| CN109483747A (en) * | 2018-12-18 | 2019-03-19 | 重庆路畅建材有限公司 | A kind of curb inclined-plane cutter device |
| CN208826198U (en) * | 2018-09-29 | 2019-05-07 | 湖北三冶重工科技有限公司 | A kind of rod iron surface grinding device |
| CN208992706U (en) * | 2018-12-27 | 2019-06-18 | 苏州佰富琪智能制造有限公司 | Manipulator automatic clamping and placing material mechanism |
| CN211841453U (en) * | 2020-01-10 | 2020-11-03 | 戴杰磨床集团股份有限公司 | Grinding wheel auxiliary device for offset machine |
-
2020
- 2020-01-10 CN CN202010024728.3A patent/CN111055204A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105921792A (en) * | 2016-07-06 | 2016-09-07 | 哈尔滨理工大学 | Drill jig used for rear axle shell machining |
| CN206104961U (en) * | 2016-10-17 | 2017-04-19 | 江苏华祥机械制造有限公司 | Lathe handle axle boring grab |
| CN208179278U (en) * | 2018-05-07 | 2018-12-04 | 南京立顶智能科技有限公司 | A kind of grinding machine charging and discharging manipulator |
| CN208826198U (en) * | 2018-09-29 | 2019-05-07 | 湖北三冶重工科技有限公司 | A kind of rod iron surface grinding device |
| CN109483747A (en) * | 2018-12-18 | 2019-03-19 | 重庆路畅建材有限公司 | A kind of curb inclined-plane cutter device |
| CN208992706U (en) * | 2018-12-27 | 2019-06-18 | 苏州佰富琪智能制造有限公司 | Manipulator automatic clamping and placing material mechanism |
| CN211841453U (en) * | 2020-01-10 | 2020-11-03 | 戴杰磨床集团股份有限公司 | Grinding wheel auxiliary device for offset machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114905286A (en) * | 2022-05-23 | 2022-08-16 | 杭州泰博包装材料有限公司 | Integral type aluminum pipe trimming device |
| CN114905286B (en) * | 2022-05-23 | 2023-10-13 | 杭州泰博包装材料有限公司 | Integrated aluminum pipe trimming device |
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| PB01 | Publication | ||
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Application publication date: 20200424 |