CN115723001A - Needle chamfering machine and method of use thereof - Google Patents

Abstract

The present invention relates to the technical field of needle roller chamfering, in particular to a needle roller chamfering processing machine and its use method, which puts a number of arranged needle rollers on a feeding device, and conveys the needle rollers through the feeding device , and then use the limit device to fix the position of several needle rollers one by one, and drive the two groups of chamfering devices to rotate through the driving device, so that the two groups of chamfering devices can carry out the normal position of the needle rollers, and then use the two groups of chamfering devices to adjust the position of the needle rollers Both ends are chamfered, and then the chamfering position is polished by two sets of grinding devices, and then the needle roller is discharged through the discharge device, so as to improve the processing efficiency, processing accuracy and practicability of the equipment; including the workbench; also including feeding Device, limit device, drive device, two sets of chamfering devices, two sets of grinding devices and discharge device, feeding device, limit device, two sets of chamfering devices are all installed on the top of the workbench, and the drive device is installed Inside the table, two groups of grinding devices are respectively installed on two groups of chamfering devices.

Description

Needle chamfering machine and method of use thereof

technical field

The invention relates to the technical field of needle chamfering, in particular to a needle chamfering processing machine and a use method thereof.

Background technique

The needle roller refers to the rotating body on the needle roller bearing. It is mainly used in various types of bearings. During the processing of the needle roller, both ends need to be chamfered. However, due to the thinner needle roller, it is difficult to use ordinary chamfering equipment. The needle roller is chamfered, so there is a device for chamfering the needle roller alone, such as a bearing needle roller double-sided chamfering machine proposed in the patent application number CN200520101247.9, which is mainly composed of an electrical system, a power head and Clamping mechanism, when in use, realizes automatic feeding and chamfering both ends of the needle roller at the same time, but its structure is relatively simple, it is inconvenient to store the arranged needle rollers, resulting in slow feeding speed and inconvenient Correcting the needle rollers before chamfering leads to low processing accuracy, it is inconvenient to grind the needle rollers after chamfering, and it is inconvenient to discharge the processed needle rollers, resulting in poor practicability, so it is necessary to Improve existing equipment.

Contents of the invention

In order to solve the above-mentioned technical problems, the present invention provides a method of placing the sorted needle rollers on the feeding device, conveying the needle rollers through the feeding device, and then fixing and limiting the needle rollers one by one through the limiting device, and driving The device drives two groups of chamfering devices to rotate, so that the two groups of chamfering devices can correct the needle roller, and then the two ends of the needle roller are chamfered by the two groups of chamfering devices, and then the chamfering position is corrected by the two groups of grinding devices. Grinding, and then discharging the needle roller through a discharge device, thereby improving the processing efficiency, processing accuracy and practicability of a needle roller chamfering processing machine and its use method.

A needle roller chamfering processing machine of the present invention includes a workbench; also includes a feeding device, a limiting device, a driving device, two groups of chamfering devices, two groups of grinding devices and a discharge device, a feeding device, a limiting device The device and two sets of chamfering devices are installed on the top of the workbench, the driving device is installed inside the workbench, the two sets of grinding devices are respectively installed on the two sets of chamfering devices, and the discharge device is installed on the workbench;

The feeding device conveys the needle rollers, the limit device limits the needle rollers, the driving device rotates the two sets of chamfering devices, and the two sets of chamfering devices perform normal positioning and chamfering on both ends of the needle rollers, Two groups of grinding devices grind the two ends of the needle rollers, and the discharge device conveys the processed needle rollers;

Put the sorted number of needle rollers on the feeding device, convey the needle rollers through the feeding device, and then fix and limit the number of needle rollers one by one through the limiting device, and drive the two groups of chamfering devices to rotate through the driving device, so that the two The first group of chamfering devices is used to correct the needle roller, and then two sets of chamfering devices are used to chamfer both ends of the needle roller, and then two sets of grinding devices are used to polish the chamfering position, and then the needle roller is discharged through the discharge device , thereby improving the processing efficiency, processing accuracy and practicability of the equipment.

Preferably, the feeding device includes two sets of support plates, two sets of rotating shafts, a geared motor, a conveyor belt, multiple sets of storage tanks and guide grooves, the bottom ends of the two sets of support plates are connected to the top of the workbench, and are located at The top of the front support plate is provided with a discharge port, and the bottom of the rear support plate is provided with a feed port. The front and rear ends of the two sets of rotating shafts are respectively connected to the two sets of support plates. On the shaft, the deceleration motor is installed at the rear end of the support plate on the rear side, and the deceleration motor drives the top shaft. Multiple sets of storage tanks are fixedly installed on the conveyor belt, and multiple sets of storage tanks are tilted forward. The rear end is connected to the discharge port of the support plate on the front side; through the feed port of the support plate on the rear side, a number of sorted needle rollers are discharged to the storage tank aligned with the feed port of the support plate on the rear side , and tilt forward through the storage tank to make some needle rollers roll forward, and at the same time limit the needle rollers on the storage tank through the front support plate, then turn on the deceleration motor, and drive the conveyor belt to run through two sets of rotating shafts , transport the needle roller upwards, and at the same time align another set of storage tanks with the feed inlet of the rear support plate, and repeat the above steps to continue to arrange the arranged needle rollers to the storage tank aligned with the feed inlet of the rear support plate , so that the needle roller rolls from the outlet of the front side support plate to the guide groove, and guides the needle roller to the limit mechanism through the guide groove, thereby improving the practicability of the equipment.

Preferably, the limit mechanism includes a base, a processing table, a bracket, a first cylinder, a first pressure sensor, a clamp and a second pressure sensor, the bottom of the base is connected to the top of the worktable, and the bottom of the processing table is connected to the top of the workbench. The top of the base is connected, the bracket is fixedly installed on the processing table, the top of the first air cylinder is installed on the top of the bracket, the top of the first pressure sensor is connected with the bottom of the first air cylinder, the top of the fixture is connected to the top of the first pressure sensor The bottom end is connected, and the front end of the second pressure sensor is connected to the rear end of the fixture; the front end of the guide groove is blocked by the second pressure sensor, and the needle roller on the guide groove is limited. When feeding, pass the first The cylinder shrinks to move the fixture upwards, so that a group of needle rollers roll down from the guide groove to the top of the processing table, and then the first cylinder stretches to make the fixture press the needle rollers to limit the needle rollers, and the second pressure When the sensor detects that the pressure disappears, the conveyor belt runs, and the needle rollers on another set of storage tanks are discharged to the guide grooves, thereby improving the practicability of the equipment.

Preferably, the drive device includes a fixed frame, a first drive motor, a first gear and two sets of second gears, a chamber is provided inside the workbench, the fixed frame is fixedly installed inside the workbench, and the first drive The bottom end of the motor is connected with the top of the fixed frame, and the bottom end of the first gear is connected with the output shaft of the fixed frame. The side ends are meshed with the first gear, and the tops of the two sets of second gears are respectively installed on the bottom ends of the two sets of chamfering devices; the first driving motor is turned on, and the first gear and the two sets of second gears are meshed and driven to drive the two sets of chamfering devices. The group chamfering device rotates, thus improving the practicability of the equipment.

Preferably, the chamfering device includes a support base, a first slide block, a second slide block, a second air cylinder, two sets of support columns, a third air cylinder, a second drive motor and a chamfering tool, the support base is rotatably mounted on the working The top of the platform, and the bottom end of the support seat is fixedly connected with the top end of the second gear, the first slider is slidably installed on the top of the support seat, the second slider is slidably installed on the top of the first slider, and the rear of the second cylinder The end is fixedly installed on the second slider, and the front end of the second cylinder is fixedly installed on the first slider. It is connected with the top of the support seat, the side end of the third cylinder is connected with the side end of the first slider, the second drive motor is fixedly installed on one end of the second slider, and the chamfering tool is fixedly installed on the side of the second drive motor. On the output shaft; drive the supporting seat to rotate 90 degrees through the second gear, so that the supporting columns on the two groups of chamfering devices are aligned with the two ends of the needle rollers, and stretched by the second cylinder, so that the supporting columns on the two groups of chamfering devices Squeeze the two ends of the needle roller synchronously to align the needle roller, and then the second gear drives the support seat to rotate 90 degrees, so that the chamfering tools on the two sets of chamfering devices are aligned with the two ends of the needle roller, and pass through the first The second driving motor drives the chamfering tool to rotate, and then stretches through the third cylinder, so that the chamfering tools on the two sets of chamfering devices can chamfer the two ends of the roller needle, thereby improving the practicability of the equipment.

Preferably, the grinding device includes a third driving motor and a grinding tool, the third driving motor is installed on the other end of the second slider, the grinding tool is fixedly installed on the output shaft of the third driving motor, and the grinding tool and the chamfering The knives are on the same axis; the support base is driven to rotate through the second gear, so that the grinding knives on the two groups of grinding devices are aligned with the two ends of the needle roller, and the two ends of the needle roller are polished by the grinding knives on the two groups of grinding devices. Thereby improving the practicability of the equipment.

Preferably, the discharge device includes an air compressor and a nozzle, the rear end of the workbench is provided with a ventilation hole, the air compressor is installed on the top of the workbench, and the bottom end of the nozzle is connected to the exhaust of the air compressor. The nozzle is connected to each other, and the top of the nozzle extends to the left side of the processing table; the air is compressed by the air compressor, and then when discharging, the compressed air is sprayed out through the nozzle to blow off the needle roller on the top of the processing table, thereby improving the equipment. The convenience of nesting.

Preferably, it also includes a storage box, the storage box is fixedly installed on the base, and the inside of the storage box is provided with a partition; the blown needle rollers are collected through the storage box, and the dropped needles are collected through the partition The dust is separated from the needles, so that the dust falls to the bottom of the screen, thereby improving the practicability of the equipment.

A method for using a needle roller chamfering machine according to the present invention comprises the following steps:

S1. Arrange the needle rollers, put the arranged needle rollers on the storage tank, and transport the needle rollers to the guide groove through the storage tank;

S2. The first cylinder shrinks to move the fixture upwards, so that a group of needle rollers roll down from the guide groove to the top of the processing table, and then the first cylinder stretches to make the fixture lightly press on the needle rollers, and at the same time pass the first pressure The sensor detects the down force of the first cylinder to limit the position of the needle rollers, and when the second pressure sensor detects that the pressure disappears, the conveyor belt runs to discharge the needle rollers on another set of storage tanks to the guide grooves ;

S3. Turn on the first driving motor, and drive the support seat to rotate 90 degrees through the meshing transmission of the first gear and the two sets of second gears, so that the support columns on the two sets of chamfering devices are aligned with the two ends of the needle roller, and pass the second The cylinder is stretched, so that the support columns on the two sets of chamfering devices simultaneously squeeze both ends of the needle rollers, and the needle rollers are aligned;

S4. The second gear drives the support seat to rotate 90 degrees, so that the chamfering tools on the two sets of chamfering devices are aligned with the two ends of the needle rollers, and the chamfering tools are driven to rotate by the second drive motor, and then stretched by the third cylinder , so that the chamfering tools on the two groups of chamfering devices chamfer the two ends of the needle rollers, and then drive the support seat to rotate 180 degrees through the second gear, so that the grinding tools on the two groups of grinding devices are aligned with the needle rollers The two ends of the needle roller are polished by the grinding tools on the two sets of grinding devices;

S5. Through the contraction of the first air cylinder, the needle roller on the processing table is loosened, and at the same time, the second pressure sensor is still covering the front end of the guide groove, and the compressed air is sprayed out through the nozzle, and the needle roller on the top of the processing table is blown off, so that the roller The needles fall into the storage box, and the falling dust is separated from the roller needles through the screen;

S6. The staff takes out the needle roller in the storage box, and after a long time of use, pulls up the partition net in the storage box to clean the inside of the storage box;

S7. The first cylinder continues to shrink, so that another group of needle rollers on the guide groove rolls to the top of the processing table, and repeats the above steps to process another group of needle rollers.

Compared with prior art, the beneficial effects of the present invention are:

1. Through the cooperation of the feeding device and the limit device, continuous feeding can be realized, the pause of the equipment can be reduced, and the processing efficiency of the equipment can be improved;

2. The two groups of chamfering devices are controlled by the driving device to rotate, and the needle rollers are aligned, chamfered and polished, which improves the practicability of the equipment and simplifies the needle roller production line;

3. The processed needle rollers are discharged and collected by means of air jet to improve the automation of the equipment.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a schematic diagram of the front view structure of the present invention;

Fig. 3 is a schematic diagram of an axonometric enlarged structure of a limiting device and a storage box of the present invention;

Fig. 4 is a right view enlarged structural schematic diagram of the limiting device and the storage box of the present invention;

Fig. 5 is a schematic diagram of an axonometric enlarged structure of a chamfering device and a grinding device of the present invention;

Fig. 6 is a partial cross-sectional enlarged structural schematic diagram of the workbench of the present invention;

Fig. 7 is a schematic diagram of an axonometric enlarged structure of structures such as a support plate and a rotating shaft of the present invention;

Fig. 8 is a schematic diagram of a right view structure of the present invention;

Fig. 9 is a schematic diagram of an axonometric structure of the present invention;

Fig. 10 is a schematic diagram of the enlarged structure of part A in Fig. 9 of the present invention;

Marks in the drawings: 1. workbench; 2. support plate; 3. rotating shaft; 4. geared motor; 5. conveyor belt; 6. storage tank; 7. guide groove; 8. base; Bracket; 11. The first cylinder; 12. The first pressure sensor; 13. The fixture; 14. The second pressure sensor; 15. The fixed frame; 16. The first drive motor; 17. The first gear; 18. The second gear; 19. Support seat; 20. First slider; 21. Second slider; 22. Second cylinder; 23. Support column; 24. Third cylinder; 25. Second drive motor; 26. Chamfering tool; 27 , the third drive motor; 28, grinding tool; 29, air compressor; 30, nozzle; 31, storage box.

Detailed ways

In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the associated drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of the present invention will be thorough and complete.

Example 1

As shown in Figure 1, the feeding device, the limit device, and the two sets of chamfering devices are all installed on the top of the workbench 1, the driving device is installed inside the workbench 1, and the two sets of grinding devices are respectively installed on the two sets of chamfering devices , the discharge device is installed on the workbench 1;

The feeding device conveys the needle rollers, the limit device limits the needle rollers, the driving device rotates the two sets of chamfering devices, and the two sets of chamfering devices perform normal positioning and chamfering on both ends of the needle rollers, Two groups of grinding devices grind the two ends of the needle rollers, and the discharge device conveys the processed needle rollers;

As shown in Figures 1 and 7, the feeding device includes two sets of support plates 2, two sets of rotating shafts 3, a reduction motor 4, a conveyor belt 5, multiple sets of storage tanks 6 and guide grooves 7, the two sets of support plates 2 The bottom ends are connected to the top of the workbench 1, and the top of the support plate 2 on the front side is provided with a discharge port, the bottom of the support plate 2 on the rear side is provided with a feed port, the front ends of the two groups of rotating shafts 3 and The rear ends are respectively connected to the two sets of supporting plates 2 in rotation, the conveyor belt 5 is set on the two sets of rotating shafts 3, the reduction motor 4 is installed at the rear end of the supporting plates 2 on the rear side, and the reduction motor 4 drives the top rotating shaft 3, Multiple sets of storage tanks 6 are all fixedly installed on the conveyor belt 5, and multiple sets of storage tanks 6 are all inclined forward, and the rear end of the guide groove 7 is connected to the discharge port of the support plate 2 located on the front side;

As shown in Figures 3 and 4, the position-limiting mechanism includes a base 8, a processing table 9, a support 10, a first cylinder 11, a first pressure sensor 12, a clamp 13 and a second pressure sensor 14, and the bottom end of the base 8 It is connected with the top of the worktable 1, the bottom of the processing table 9 is connected with the top of the base 8, the bracket 10 is fixedly installed on the processing table 9, the top of the first cylinder 11 is installed on the top of the bracket 10, the first pressure sensor The top of 12 is connected to the bottom of the first cylinder 11, the top of the clamp 13 is connected to the bottom of the first pressure sensor 12, and the front end of the second pressure sensor 14 is connected to the rear end of the clamp 13;

Through the feed port of the support plate 2 on the rear side, a number of arranged needle rollers are arranged on the storage tank 6 aligned with the feed port of the rear support plate 2, and the storage tank 6 is tilted forward to make several needle rollers Roll forward, and at the same time limit the needle roller on the storage tank 6 through the support plate 2 on the front side, then turn on the reduction motor 4, drive the conveyor belt 5 through two sets of rotating shafts 3, and convey the needle roller upwards, and at the same time Align another set of storage tanks 6 with the feed inlet of the rear support plate 2, and repeat the above steps to continue to arrange the arranged needle rollers on the storage tank 6 aligned with the feed inlet of the rear support plate 2, so that the needle rollers Roll from the outlet of the front side support plate 2 onto the guide groove 7, guide the needle roller to the limit mechanism through the guide groove 7, and then block the front end of the guide groove 7 by the second pressure sensor 14, and move the needle on the guide groove 7. When feeding, the first cylinder 11 is contracted to move the fixture 13 upwards, so that a group of needle rollers roll down from the guide groove 7 to the top of the processing table 9, and then the first cylinder 11 stretches, Make the clamp 13 press the needle rollers to limit the needle rollers, and when the second pressure sensor 14 detects that the pressure disappears, the conveyor belt 5 runs to discharge the needle rollers on the other set of storage tanks 6 to the guide groove 7 Above, two groups of chamfering devices are driven to rotate through the driving device, so that the two groups of chamfering devices can be used to correct the needle roller, and then the two ends of the needle roller are chamfered by two groups of chamfering devices, and then the two groups of grinding devices are used to correct the needle roller. The chamfering position is ground, and then the needle roller is discharged through the discharge device, so as to improve the processing efficiency, processing accuracy and practicability of the equipment.

Example 2

As shown in Figure 1, the feeding device, the limit device, and the two sets of chamfering devices are all installed on the top of the workbench 1, the driving device is installed inside the workbench 1, and the two sets of grinding devices are respectively installed on the two sets of chamfering devices , the discharge device is installed on the workbench 1;

The feeding device conveys the needle rollers, the limit device limits the needle rollers, the driving device rotates the two sets of chamfering devices, and the two sets of chamfering devices perform normal positioning and chamfering on both ends of the needle rollers, Two groups of grinding devices grind the two ends of the needle rollers, and the discharge device conveys the processed needle rollers;

As shown in Figure 6, the drive device includes a fixed frame 15, a first drive motor 16, a first gear 17 and two groups of second gears 18, the inside of the workbench 1 is provided with a chamber, and the fixed frame 15 is fixedly installed Inside the workbench 1, the bottom end of the first driving motor 16 is connected with the top end of the fixed frame 15, and the bottom end of the first gear 17 is connected with the output shaft of the fixed frame 15, and the tops of the two groups of second gears 18 Both are rotatably mounted on the top of the workbench 1, the side ends of the two sets of second gears 18 are meshed with the first gear 17, and the tops of the two sets of second gears 18 are respectively mounted on the bottom ends of the two sets of chamfering devices;

As shown in Figure 5, described chamfering device comprises support seat 19, first slide block 20, second slide block 21, second cylinder 22, two groups of support columns 23, the 3rd cylinder 24, the second driving motor 25 and Chamfering tool 26, support seat 19 is installed on the top of workbench 1 by rotation, and the bottom end of support seat 19 is fixedly connected with the top of second gear 18, and the first slide block 20 is slidably installed on the top of support seat 19, and the second The slider 21 is slidably installed on the top of the first slider 20, the rear end of the second cylinder 22 is fixedly installed on the second slider 21, and the front end of the second cylinder 22 is fixedly installed on the first slider 20, and the two groups of supports One end of post 23 is connected with the front end and the rear end of second slide block 21 respectively, the bottom end of third cylinder 24 is connected with the top of support base 19, and the side end of third cylinder 24 is connected with the side of first slide block 20. The ends are connected, the second driving motor 25 is fixedly installed on one end of the second slider 21, and the chamfering tool 26 is fixedly installed on the output shaft of the second driving motor 25;

As shown in Figure 5, described grinding device comprises the 3rd driving motor 27 and grinding tool 28, and the 3rd driving motor 27 is installed on the other end of second slide block 21, and grinding tool 28 is fixedly installed on the output of the 3rd driving motor 27 on the shaft, and the grinding tool 28 is on the same axis as the chamfering tool 26;

Put the sorted number of needle rollers on the feeding device, convey the needle rollers through the feeding device, and then fix and limit the number of needle rollers one by one through the limiting device, turn on the first drive motor 16, and pass the first gear 17 and The two sets of second gears 18 are meshed and driven to drive the support base 19 to rotate 90 degrees, so that the support columns 23 on the two sets of chamfering devices are aligned with the two ends of the needle rollers, and the second cylinder 22 is stretched to make the two sets of chamfering devices The support column 23 on the top squeezes both ends of the needle roller synchronously, and the needle roller is corrected, and then the second gear 18 drives the support seat 19 to rotate 90 degrees, so that the chamfering tools 26 on the two sets of chamfering devices are aligned The two ends of the needle roller are driven by the second driving motor 25 to rotate the chamfering cutter 26, and then stretched by the third cylinder 24, so that the chamfering cutters 26 on the two groups of chamfering devices chamfer the two ends of the needle roller, and then The second gear 18 drives the support seat 19 to rotate one hundred and eighty degrees, so that the grinding knives 28 on the two groups of grinding devices are aligned with the two ends of the needle roller, and the two ends of the needle roller are aligned by the grinding knives 28 on the two groups of grinding devices. After grinding, the needle roller is discharged through the discharge device, so as to improve the processing efficiency, processing accuracy and practicability of the equipment.

As shown in Figures 1 to 10, a needle roller chamfering processing machine and its use method of the present invention, when it is working, firstly put some arranged needle rollers through the feeding port of the support plate 2 on the rear side Arrange on the storage tank 6 aligned with the feeding port of the rear support plate 2, and tilt forward through the storage tank 6, so that several needle rollers roll forward, and at the same time pass the support plate 2 on the front side to the rollers on the storage tank 6 The position of the needle is limited, and then the reduction motor 4 is turned on, driven by two sets of rotating shafts 3, the conveyor belt 5 is driven to run, and the needle roller is conveyed upwards, and at the same time, another set of storage tanks 6 is aligned with the feed port of the rear support plate 2, and Repeat the above steps to continue to arrange the arranged needle rollers to the storage tank 6 aligned with the feed port of the rear support plate 2, so that the needle rollers roll from the discharge port of the front support plate 2 to the guide groove 7, and pass the guide The groove 7 guides the needle roller to the limit mechanism, and then the front end of the guide groove 7 is blocked by the second pressure sensor 14, and the needle roller on the guide groove 7 is limited. When feeding, the first cylinder 11 is contracted to make the The fixture 13 moves upwards, causing a set of needle rollers to roll down from the guide groove 7 to the top of the processing table 9, and then the first air cylinder 11 is stretched, so that the fixture 13 is lightly pressed on the needle rollers, and at the same time, the first pressure sensor 12 is applied to the second roller. The down force of a cylinder 11 is detected to limit the position of the needle rollers, and when the second pressure sensor 14 detects that the pressure disappears, the conveyor belt 5 runs to discharge the needle rollers on the other set of storage tanks 6 to the guide grooves 7, turn on the first driving motor 16, through the first gear 17 and the two sets of second gears 18 meshing transmission, drive the supporting base 19 to rotate 90 degrees, so that the supporting columns 23 on the two sets of chamfering devices are aligned with the needle rollers The two ends are stretched by the second cylinder 22, so that the supporting columns 23 on the two groups of chamfering devices simultaneously squeeze the two ends of the needle rollers, and the needle rollers are corrected, and then the second gear 18 drives the support seat 19 to rotate ninety Make the chamfering cutters 26 on the two groups of chamfering devices align with the two ends of the needle rollers, drive the chamfering cutters 26 to rotate through the second drive motor 25, and then stretch the third cylinder 24 to make the two groups of chamfering devices The chamfering cutter 26 chamfers the two ends of the needle roller, and then drives the support seat 19 to rotate by 180 degrees through the second gear 18, so that the grinding cutters 28 on the two groups of grinding devices are aligned with the two ends of the needle roller, The two ends of the needle rollers are polished by the grinding tools 28 on the two groups of grinding devices, and then the air is compressed by the air compressor 29, and then the first cylinder 11 is contracted to loosen the rollers on the processing table 9 when discharging. At the same time, make the second pressure sensor 14 still cover the front end of the guide groove 7, spray compressed air through the nozzle 30, and blow off the needle rollers on the top of the processing table 9, so that the needle rollers fall into the material storage box 31, and The falling dust is separated from the roller needles through the screen, so that the dust falls to the bottom of the screen.

The main functions realized by the present invention are: automatic continuous feeding, positive positioning of the needle rollers before the limit, chamfering and grinding of the needle rollers, and automatic material discharge;

1. Automatic continuous feeding: through the feeding device and the limit device, the continuous feeding of the needle roller can be realized, the pause of the equipment can be reduced, and the production efficiency of the equipment can be improved;

2. Correct the needle roller before the limit: before chamfering, use two sets of chamfering devices to correct the needle roller to improve the processing accuracy of the equipment;

3. Chamfering and grinding the needle roller: use the chamfering device to chamfer the needle roller, and use the grinding device to polish the chamfered needle roller, so that the footprint of the needle roller production line is reduced;

4. Automatic discharge: the needle rollers on the processing table 9 are blown off by blowing air.

A needle roller chamfering processing machine of the present invention and its use method are gear motor 4, first cylinder 11, first pressure sensor 12, second pressure sensor 14, first drive motor 16, second cylinder 22, third The cylinder 24, the second driving motor 25, the third driving motor 27 and the air compressor 29 are purchased on the market, and those skilled in the industry only need to install and operate according to the accompanying instruction manual, without the need for technical knowledge in the field. People do creative work.

The above is only a preferred embodiment of the present invention, it should be pointed out that for those of ordinary skill in the art, without departing from the technical principle of the present invention, some improvements and modifications can also be made, these improvements and modifications It should also be regarded as the protection scope of the present invention.

Claims (9)

1. A needle roller chamfering machine comprises a workbench (1); the automatic chamfering device is characterized by further comprising a feeding device, a limiting device, a driving device, two groups of chamfering devices, two groups of polishing devices and a discharging device, wherein the feeding device, the limiting device and the two groups of chamfering devices are all arranged at the top end of the workbench (1), the driving device is arranged inside the workbench (1), the two groups of polishing devices are respectively arranged on the two groups of chamfering devices, and the discharging device is arranged on the workbench (1);

the feeding device conveys the rolling needles, the limiting device limits the rolling needles, the driving device rotates the two sets of chamfering devices, the two sets of chamfering devices correct and chamfer the two ends of the rolling needles, the two sets of grinding devices grind the two ends of the rolling needles, and the discharging device conveys the processed rolling needles.

2. The needle roller chamfering machine according to claim 1, wherein the loading device comprises two sets of support plates (2), two sets of rotating shafts (3), a speed reduction motor (4), a conveyor belt (5), a plurality of sets of storage tanks (6) and guide grooves (7), the bottom ends of the two sets of support plates (2) are connected with the top end of the workbench (1), the top of the support plate (2) positioned at the front side is provided with a discharge outlet, the bottom of the support plate (2) positioned at the rear side is provided with a feed inlet, the front ends and the rear ends of the two sets of rotating shafts (3) are respectively rotatably connected with the two sets of support plates (2), the conveyor belt (5) is sleeved on the two sets of rotating shafts (3), the speed reduction motor (4) is installed at the rear end of the support plate (2) positioned at the rear side, the speed reduction motor (4) drives the top rotating shaft (3), the plurality of sets of storage tanks (6) are fixedly installed on the conveyor belt (5), the plurality of storage tanks (6) are all inclined forward, and the rear end of the guide grooves (7) are connected with the discharge outlet of the support plate (2) positioned at the front side.

3. The needle roller chamfering machine according to claim 1, wherein the limiting mechanism comprises a base (8), a processing table (9), a bracket (10), a first cylinder (11), a first pressure sensor (12), a clamp (13) and a second pressure sensor (14), the bottom end of the base (8) is connected with the top end of the working table (1), the bottom end of the processing table (9) is connected with the top end of the base (8), the bracket (10) is fixedly mounted on the processing table (9), the top end of the first cylinder (11) is mounted at the top of the bracket (10), the top end of the first pressure sensor (12) is connected with the bottom end of the first cylinder (11), the top end of the clamp (13) is connected with the bottom end of the first pressure sensor (12), and the front end of the second pressure sensor (14) is connected with the rear end of the clamp (13).

4. The needle roller chamfering machine according to claim 1, wherein the driving device comprises a fixed frame (15), a first driving motor (16), a first gear (17) and two sets of second gears (18), the inside of the table (1) is provided with a cavity, the fixed frame (15) is fixedly installed inside the table (1), the bottom end of the first driving motor (16) is connected with the top end of the fixed frame (15), the bottom end of the first gear (17) is connected with an output shaft of the fixed frame (15), the top ends of the two sets of second gears (18) are rotatably installed at the top end of the table (1), the side ends of the two sets of second gears (18) are respectively connected with the first gear (17) in a meshing manner, and the top ends of the two sets of second gears (18) are respectively installed at the bottom ends of the two sets of chamfering devices.

5. A needle roller chamfering machine as claimed in claim 4, wherein the chamfering device comprises a support base (19), a first slider (20), a second slider (21), a second cylinder (22), two sets of support columns (23), a third cylinder (24), a second driving motor (25) and a chamfering tool (26), the support base (19) is rotatably mounted on the top end of the table (1), and the bottom end of the support base (19) is fixedly connected with the top end of the second gear (18), the first slider (20) is slidably mounted on the top end of the support base (19), the second slider (21) is slidably mounted on the top end of the first slider (20), the rear end of the second cylinder (22) is fixedly mounted on the second slider (21), the front end of the second cylinder (22) is fixedly mounted on the first slider (20), one end of the two sets of support columns (23) is respectively connected with the front end and rear end of the second slider (21), the bottom end of the third cylinder (24) is connected with the top end of the second slider (19), the third cylinder (24) is fixedly mounted on the side end of the first slider (20), and one end of the second slider (25) is fixedly mounted on the output shaft of the second slider (26).

6. The needle roller chamfering machine as claimed in claim 5, wherein the grinding means comprises a third driving motor (27) and a grinding tool (28), the third driving motor (27) is mounted to the other end of the second slider (21), the grinding tool (28) is fixedly mounted to an output shaft of the third driving motor (27), and the grinding tool (28) is coaxial with the chamfering tool (26).

7. The needle roller chamfering machine according to claim 1, wherein the discharging device comprises an air compressor (29) and a nozzle (30), the rear end of the table (1) is provided with a vent hole, the air compressor (29) is installed at the top end in the table (1), the bottom end of the nozzle (30) is connected with the vent hole of the air compressor (29), and the top end of the nozzle (30) extends to the left side of the table (9).

8. The needle roller chamfering machine according to claim 3, further comprising a storage box (31), wherein the storage box (31) is fixedly mounted on the base (8), and a spacer is disposed inside the storage box (31).

9. The use method of the needle roller chamfering machine is characterized by comprising the following steps:

s1, arranging the rolling needles, placing the arranged rolling needles on a storage tank (6), and conveying the rolling needles to a guide groove (7) through the storage tank (6);

s2, enabling the clamp (13) to move upwards through contraction of the first air cylinder (11), enabling one group of rolling needles to roll down to the top end of the machining table (9) from the guide groove (7), then enabling the first air cylinder (11) to extend, enabling the clamp (13) to lightly press the rolling needles, detecting the downward pressure of the first air cylinder (11) through the first pressure sensor (12), limiting the rolling needles, and enabling the conveying belt (5) to run when the second pressure sensor (14) detects that the pressure disappears, and discharging the rolling needles on the other group of storage grooves (6) to the guide groove (7);

s3, opening a first driving motor (16), and driving a supporting seat (19) to rotate ninety degrees through the meshing transmission of a first gear (17) and two groups of second gears (18), so that supporting columns (23) on two groups of chamfering devices are aligned to two ends of a roller pin, and extending through a second air cylinder (22), so that the supporting columns (23) on the two groups of chamfering devices synchronously extrude the two ends of the roller pin to align the roller pin;

s4, the second gear (18) drives the supporting seat (19) to rotate ninety degrees again, so that the chamfering tools (26) on the two chamfering devices are aligned to the two ends of the roller pins, the second driving motor (25) drives the chamfering tool (26) to rotate, the third air cylinder (24) extends to enable the chamfering tools (26) on the two chamfering devices to chamfer the two ends of the roller pins, then the second gear (18) drives the supporting seat (19) to rotate one hundred and eighty degrees, so that the grinding tools (28) on the two grinding devices are aligned to the two ends of the roller pins, and the two ends of the roller pins are ground through the grinding tools (28) on the two grinding devices;

s5, loosening the roller pins on the machining table (9) through contraction of the first air cylinder (11), enabling the second pressure sensor (14) to still shield the front end of the guide groove (7), spraying compressed air through the spray head (30), blowing off the roller pins at the top end of the machining table (9), enabling the roller pins to fall into the storage box (31), and separating the falling dust from the roller pins through the partition net;

s6, taking out the roller needles in the storage box (31) by workers, and pulling up the partition net in the storage box (31) after long-time use to clean the interior of the storage box (31);

and S7, continuing to contract through the first air cylinder (11), rolling the other group of the needle rollers on the guide groove (7) to the top end of the machining table (9), and repeating the steps to machine the other group of the needle rollers.

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