CN211136581U

CN211136581U - Chamfer deburring device for window hole of retainer

Info

Publication number: CN211136581U
Application number: CN201922293979.7U
Authority: CN
Inventors: 陆卫东
Original assignee: Suzhou Yuanhe Bearing Co ltd
Current assignee: Suzhou Yuanhe Bearing Co ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-07-31
Anticipated expiration: 2029-12-19

Abstract

The utility model discloses a holder fenestra chamfer burring device, include: the grinding system comprises a positioning disc, the positioning disc is fixedly arranged on a rack, a retainer sleeve is arranged on the positioning disc, a circle of grinding wheel mechanism is arranged on the periphery of the positioning disc, the number of the grinding wheel mechanisms is the same as that of window holes of the retainer, each grinding wheel mechanism comprises a grinding wheel support fixedly arranged on the rack, a grinding wheel connecting rod is movably arranged in each grinding wheel support in a penetrating mode, a grinding wheel is arranged at the front end of each grinding wheel connecting rod, the upper portion of each grinding wheel is connected with a driven wheel, the other end of each grinding wheel is connected with a grinding wheel cylinder, the grinding wheel cylinder drives the grinding wheel to enter or leave the window holes of the retainer, a main shaft. And one driving wheel is adopted to simultaneously drive the grinding wheel of the grinding wheel mechanism to grind all the window holes of the retainer, and compared with manual deburring and chamfering, the automatic deburring device has the advantages of high efficiency and stable quality.

Description

Chamfer deburring device for window hole of retainer

Technical Field

The utility model belongs to the technical field of machining equipment, concretely relates to grinding device.

Background

The retainer is a part of the bearing, in the low-noise bearing, the quality requirement on burrs of the window hole of the retainer is high due to the mute requirement of the bearing, meanwhile, chamfers are required at all parts in contact with the rolling body, otherwise, the mute requirement cannot be ensured.

The processing route of the retainer is that the retainer is extruded and formed (the size of an inner cavity is finished), then the outer diameter and the outer groove are turned to form the window hole of the retainer, after the processing is finished, the upper part of the beam of the window hole is sharp, not smooth and has burrs, and the mute requirement cannot be met after the assembly. A processing technology for removing chamfer burrs of a window hole of a retainer is lacked in the bearing industry, and a manual file is used for scraping chamfer burrs all the time in the production process.

The manual deburring and acute chamfering have low efficiency, high labor cost and unstable quality, products made by different people who manually deburr are different, the quality of the products is completely determined by the responsibility of people, and the problem that parts are not scraped or are not uniform often occurs.

Disclosure of Invention

The utility model aims to solve the technical problem that a device for carrying out chamfer and burring to the holder fenestra is provided, improves machining efficiency, guarantees processingquality.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme: a cage aperture chamfer deburring apparatus comprising:

the grinding system comprises a positioning disc, the positioning disc is fixedly arranged on a rack, a retainer is sleeved on the positioning disc, a circle of grinding wheel mechanism is arranged on the periphery of the positioning disc, the number of the grinding wheel mechanisms is equal to that of window holes of the retainer, each grinding wheel mechanism comprises a grinding wheel support fixedly arranged on the rack, a grinding wheel connecting rod is movably arranged in each grinding wheel support in a penetrating manner, a grinding wheel is arranged at the front end of each grinding wheel connecting rod, a driven wheel is connected to the upper portion of each grinding wheel, a grinding wheel cylinder is connected to the other end of each grinding wheel, each grinding wheel cylinder drives each grinding wheel to enter or leave the window holes of the retainer, a main shaft mechanism is arranged above each grinding wheel mechanism, a driving wheel is arranged at the bottom of each main shaft mechanism, each driving wheel is connected with a driver, each main shaft mechanism is provided with, the driving wheel is separated from the driven wheel;

the feeding system is used for placing the retainer on the positioning plate;

and the material taking system is used for taking the retainer away from the positioning disc.

Further, the feeding system comprises a manipulator, the manipulator comprises a grabbing mechanism and a grabbing/releasing retainer; the moving mechanism comprises a moving mechanism which moves in the horizontal direction to enable the manipulator to move to the positioning plate from the raw material bin, and a moving mechanism which moves in the vertical direction to enable the manipulator to descend at the positioning plate to release the retainer and lift.

Furthermore, the raw material bin comprises a material rod, positioning grooves matched with the retainer window beams are formed in the periphery of the material rod, the retainers are stacked and sleeved on the material rod, the raw material bin further comprises a material supporting disc for supporting the retainers, the material supporting disc is provided with a driving mechanism, the driving mechanism enables the material supporting disc to ascend by one retainer at a time or descend to the bottom, and one retainer at the top in the stacked retainers is exposed out of the material rod.

Further, one retainer at the top of the stacked retainers is partially exposed out of the material rod, and the manipulator descends to grab the retainer and lifts the retainer.

Further, the material taking system comprises a manipulator, wherein the manipulator comprises a grabbing mechanism and a grabbing/releasing retainer; the moving mechanism comprises a moving mechanism in the horizontal direction, enables the manipulator to move to a finished product bin from the positioning disc, and also comprises a moving mechanism in the vertical direction, and enables the manipulator to descend at the positioning disc to grab the retainer and lift the retainer.

Further, the finished product bin comprises a bin and a trough, the manipulator moves to the trough to release the retainer, and the retainer slides into the bin from the trough.

Further, the movement of the robot in the horizontal direction is a rotational movement.

Furthermore, the grabbing mechanism of the manipulator is a three-jaw mechanism and grabs from the periphery of the retainer.

Furthermore, the periphery of the positioning disc is provided with a positioning groove matched with the retainer window beam.

Furthermore, the lifting system comprises a slide block guide rail mechanism and a power part, the driver is fixedly arranged on the slide block, the guide rail and the power part are fixedly arranged on the rack, and the power part drives the slide block to lift.

The utility model discloses an useful part lies in, adopts a drive wheel to drive the emery wheel of round emery wheel mechanism simultaneously and carries out the grinding to all fenestra of holder, compares in manual burring and chamfer, has efficient, stable in quality's advantage.

Drawings

FIG. 1 is a general schematic view of the present invention;

FIG. 2 is a schematic top view of the present invention, with the spindle mechanism omitted;

FIG. 3 is a schematic view of a grinding wheel mechanism;

FIG. 4 is a schematic view of a spindle mechanism;

fig. 5 is a schematic view of a robot.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments:

as shown in fig. 1 to 5, a cage window chamfer deburring device includes: the grinding system comprises a positioning disc 31, the positioning disc 31 is fixedly arranged on a machine frame 6, a retainer 4 is sleeved on the positioning disc 31, a circle of grinding wheel mechanism 32 is arranged on the periphery of the positioning disc 31, the number of the grinding wheel mechanisms 32 is the same as that of the window holes of the retainer 4, the grinding wheel mechanism 32 comprises a grinding wheel support 321 fixedly arranged on the machine frame 6, a grinding wheel connecting rod 322 is movably arranged in the grinding wheel support 321 in a penetrating manner, a grinding wheel 323 is arranged at the front end of the grinding wheel connecting rod 322, a driven wheel 324 is connected to the upper part of the grinding wheel 323, a grinding wheel cylinder 325 is connected to the other end of the grinding wheel connecting rod, the grinding wheel cylinder 325 drives the grinding wheel 323 to enter or leave the window holes of the retainer 4, a main shaft mechanism is arranged above the grinding wheel mechanism 32, a driving wheel 331 is arranged at the bottom of the main shaft mechanism, the driving wheel 331 is connected with a, when the main shaft mechanism rises to the highest position, the driving wheel 321 is separated from the driven wheel 324;

a feeding system for placing the holder 4 on the positioning plate 31;

and a material taking system for taking the retainer 4 from the positioning plate 31.

After the retainer 4 is placed in the positioning plate 31 by the feeding system, the lifting system drives the spindle mechanism to descend, the driver 332 is started to drive the driving wheel 331 to rotate, the grinding wheel cylinder 325 drives the grinding wheel 323 to enter the window hole of the retainer 4, the driven wheel 324 is meshed with the driving wheel 331 in the entering process to drive the grinding wheel 323 to rotate, the grinding wheel 323 is in a rotating state when entering the window hole of the retainer 4, and acute angles and burrs are uniformly removed from the window hole of the retainer 4.

The device adopts one driving wheel 331 to simultaneously drive the grinding wheel 323 of the grinding wheel mechanism 32 to grind all the window holes of the retainer 4, and has the advantages of high efficiency and stable quality compared with manual deburring and chamfering.

The grinding wheel 323 is preferably a diamond grinding wheel, and is suitable for grinding various metal parts.

In the grinding process, the driving wheel 331 can also adopt a forward and reverse rotation driving process to drive the grinding wheel 323 to rotate forward and reverse in the window hole of the holder 4, so as to ensure the processing precision.

The movable connection of the grinding wheel connecting rod 322 and the grinding wheel support 321 can adopt the following structure: the grinding wheel support 321 is provided with a square hole, and the grinding wheel connecting rod 322 is movably arranged in the square hole in a penetrating way, as shown in fig. 3.

In a preferred embodiment, the feeding system comprises a first robot 21, the first robot 21 comprising a gripping mechanism 213, gripping/releasing the holders 4; the moving mechanism includes a movement in the horizontal direction to move the first robot 213 from the raw material bin to the positioning plate 31, and a movement in the vertical direction to lower and release the holder 4 and raise the first robot 21 at the positioning plate 31.

The first mechanical arm 21 grabs the retainer 4 at the raw material bin, horizontally moves to the position above the positioning disc 31, vertically moves downwards to the position of the positioning disc 31, sleeves the retainer 4 on the positioning disc 31, and releases the retainer 4. The movement of the first robot 21 in the vertical direction avoids the one-turn grinding wheel mechanism 32 at the outer periphery of the positioning plate 31.

The movement of the first robot 21 in the horizontal direction may be achieved by rotation, and as shown in fig. 2, a specific mechanism may be the mechanism shown in fig. 5, and the spot mechanism 213 is provided on the horizontal moving bar 211, and the horizontal moving bar rotates with respect to the vertical moving bar 212. The vertical movement rod 212 is movable up and down with respect to the rack 6, and vertical movement of the first robot 21 is achieved.

The horizontal moving bar 211, the vertical moving bar 212, and the grasping mechanism 213 may be driven by air cylinders.

The gripping mechanism 213 is preferably a three-jaw mechanism, gripping from the outer periphery of the holder 4. The three-jaw mechanism has simple structure and can also ensure that the circular retainer 4 can be stably grabbed. The three-jaw mechanism is contracted to be grabbed, and is expanded to be released.

One preferred structure of raw material storehouse does, including material pole 11, material pole 11 periphery be equipped with 4 window beam complex constant head tanks of holder, a plurality of holders 4 pile up the cover and locate on material pole 11, raw material storehouse still includes the tray 12 of holding holder 4, tray 12 is equipped with actuating mechanism, actuating mechanism makes tray 12 rise the height of a holder 4 or descend to the bottom at every turn, one holder 4 of top exposes out in material pole 11 in the holder 4 that piles up.

The positioning grooves in the periphery of the material rod 11 are matched with the window beam of the retainer 4, so that the circumferential positioning of the retainer 4 can be realized, the grabbing mechanism 213 can grab accurately, and the first manipulator 21 can place the retainer 4 into the positioning disc 31 and align the window hole with the grinding wheel 323 accurately. After the first manipulator 21 grabs one holder 4, the tray 12 is lifted by the height of one holder 4 for the next grabbing by the first manipulator 21. After the retainer 4 is taken out, namely the tray 12 is lifted to the set height, the tray 12 is lowered to the lowest position, and then the retainer 4 is added on the material rod 11.

The driving mechanism of the material holding tray 12 can adopt a servo motor and is provided with a ball screw linear guide rail pair as a transmission mechanism.

The top one of the stacked holders 4 may be partially exposed from the bar 11 and the first robot 21 is lowered to grasp the holder 4 and raised. The retainer 4 may be exposed to the material bar 11 entirely, and in this case, the first robot 21 does not need to perform a lowering operation when gripping, but the retainer 4 may be slightly displaced in the circumferential direction.

One preferred configuration of the material removal system includes a second robot 22, the second robot 22 having the same configuration as the first robot 21 and only having a different installation position, the second robot 22 moving between the positioning plate 31 and the finished product bin, and taking the processed retainer 4 off the positioning plate 31 and placing it in the finished product bin. The second manipulator 22 grabs the retainer 4 after descending at the positioning plate 31, moves to the finished product bin after lifting, and releases the retainer 4.

One preferred configuration of the product bin includes a bin 7 and a channel 71, and the second robot 22 moves to the channel 71 to release the holder 4, and the holder 4 slides from the channel 71 into the bin 7.

The material-taking system does not need to ensure the circumferential position of the finished product holder 4 and can therefore be placed directly into the magazine 7. The trough 71 is arranged so that the retainer 4 can slide into the feed box 7, thereby avoiding damage caused by direct falling of the retainer 4 and damage to the retainer 4 caused by slight collision caused by sliding.

In a preferred embodiment, the positioning disc 31 is provided with positioning grooves matched with the window beams of the holder 4 on the periphery, and when the holder 4 is installed in the positioning disc 31 to position the holder 4, the requirement on the moving precision of the first manipulator 21 can be reduced; meanwhile, the retainer 4 is positioned in the grinding process, so that the retainer 4 is prevented from shaking during grinding.

One preferred structure of the lifting system comprises a slide block guide rail mechanism and a power part 335, wherein the driver 332 is fixedly arranged on the slide block 333, the guide rail 334 and the power part 335 are fixedly arranged on the frame 6, and the power part 335 drives the slide block 333 to lift. The power unit 335 may be an air cylinder, an oil cylinder, etc., and the driver 332 may be a servo motor.

In the device, the frame 6 plays a supporting role, the specific shape of the frame 6 can be designed according to the requirements of each mechanism, and the frame 6 is not limited to a single part.

In the device, the feeding system, the material taking system and the grinding system are all mechanical structures, and manual adjustment is not needed in the action process, so that automatic control can be realized through electric components such as a sensor and P L C, full-automatic production is realized, only the material rod 11 is fed with materials and the material box 7 is replaced by an empty material box once only through manual operation, the material feeding device is in field production, the manual demand is low, and staff can operate other devices simultaneously, so that the production efficiency can be improved.

It is to be emphasized that: the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form, and any simple modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. A cage aperture chamfer deburring apparatus comprising: the grinding system comprises a positioning disc, the positioning disc is fixedly arranged on a rack, a retainer is sleeved on the positioning disc, a circle of grinding wheel mechanism is arranged on the periphery of the positioning disc, the number of the grinding wheel mechanisms is equal to that of window holes of the retainer, each grinding wheel mechanism comprises a grinding wheel support fixedly arranged on the rack, a grinding wheel connecting rod is movably arranged in each grinding wheel support in a penetrating manner, a grinding wheel is arranged at the front end of each grinding wheel connecting rod, a driven wheel is connected to the upper portion of each grinding wheel, a grinding wheel cylinder is connected to the other end of each grinding wheel, each grinding wheel cylinder drives each grinding wheel to enter or leave the window holes of the retainer, a main shaft mechanism is arranged above each grinding wheel mechanism, a driving wheel is arranged at the bottom of each main shaft mechanism, each driving wheel is connected with a driver, each main shaft mechanism is provided with, the driving wheel is separated from the driven wheel; the feeding system is used for placing the retainer on the positioning plate; and the material taking system is used for taking the retainer away from the positioning disc.

2. The cage aperture chamfer deburring apparatus of claim 1 wherein said feed system comprises a robot including a grasping mechanism to grasp/release the cage; the moving mechanism comprises a moving mechanism which moves in the horizontal direction to enable the manipulator to move to the positioning plate from the raw material bin, and a moving mechanism which moves in the vertical direction to enable the manipulator to descend at the positioning plate to release the retainer and lift.

3. The apparatus for deburring at least one of the holder windows according to claim 2, wherein the stock bin comprises a rod having a positioning groove formed on an outer periphery thereof for engaging with the holder window, the plurality of holders are stacked and fitted on the rod, the stock bin further comprises a tray for holding the holders, the tray is provided with a driving mechanism for moving the tray up by one holder at a time or down to a bottom, and a top one of the stacked holders is exposed from the rod.

4. The cage aperture chamfer deburring device of claim 3 wherein a top one of said stacked cages is partially exposed to the stock bar and the robot is lowered to grasp the cage and raised.

5. The cage aperture chamfer deburring apparatus of claim 1 wherein said reclaiming system comprises a robot including a grasping mechanism to grasp/release the cage; the moving mechanism comprises a moving mechanism in the horizontal direction, enables the manipulator to move to a finished product bin from the positioning disc, and also comprises a moving mechanism in the vertical direction, and enables the manipulator to descend at the positioning disc to grab the retainer and lift the retainer.

6. The holder aperture chamfer deburring apparatus of claim 5 wherein said product bin includes a bin to which the robot moves to release the holder and a trough from which the holder slides into the bin.

7. The cage aperture chamfer deburring device of claim 2 or 5 wherein said robot's horizontal movement is a rotational movement.

8. The apparatus for deburring at least one of claims 2 and 5 wherein said robot gripping means is a three-jaw mechanism for gripping from the periphery of the holder.

9. The cage aperture chamfer deburring device of claim 1 wherein said positioning plate has a positioning groove on its periphery for engagement with the cage beam.

10. The device for deburring at least one of the cage window holes of claim 1 wherein the lifting system comprises a slider guide mechanism and a power unit, the driver is fixedly mounted on the slider, the guide and the power unit are fixedly mounted on the frame, and the power unit drives the slider to move up and down.