CN112045561B - Clamping device for bearing machining - Google Patents
Clamping device for bearing machining Download PDFInfo
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- CN112045561B CN112045561B CN202010921934.4A CN202010921934A CN112045561B CN 112045561 B CN112045561 B CN 112045561B CN 202010921934 A CN202010921934 A CN 202010921934A CN 112045561 B CN112045561 B CN 112045561B
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- clamping
- end surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
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- Mechanical Engineering (AREA)
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Abstract
The invention discloses a clamping device for bearing processing, which comprises a square columnar clamp seat and a clamping device, wherein the clamp seat is provided with a clamping groove; four moving grooves are formed on the clamp seat; the clamping device comprises a connecting device, four moving seats and four clamping supports; the moving seats and the clamping supports correspond to each other one by one, and the moving seats and the clamping supports move along the radial direction of the moving grooves on the corresponding sides; the clamping support is elastically arranged on the end surface of the inner side of the movable seat in a movable manner; the connecting device comprises a connecting lifting block which is synchronously lifted and arranged on the upper end surface of the movable seat; a horizontal connecting block is formed at the upper end of the end face of the inner side connected with the lifting block; a cuboid-shaped vertical inserting connecting block is formed at the inner side end of the lower end surface of the horizontal connecting block; a connecting slot for vertically inserting the connecting block is formed at the outer end of the upper end surface of the clamping support; the upper end surface of the clamping support is fixedly provided with a propping clamping block.
Description
Technical Field
The invention relates to the technical field of bearing processing, in particular to a clamping device for bearing processing.
Background
The production of bearing needs to experience multichannel process, and the bearing precision of producing can influence the life-span of bearing in the use, and bearing inner cylinder face and pivot contact each other, so the bearing need polish the inner circle of bearing after rough machining, obtains more smoothly, and the higher bearing of precision need carry out the clamping through outer cylinder side when carrying out the finish machining to the inner cylinder face of bearing, so need carry out the clamping with anchor clamps. However, the existing bearing clamp can only clamp a bearing with one specification and size, and the application range is small, so it is necessary to provide a quick adjusting and clamping device for bearing production to solve the above problems.
Disclosure of Invention
The invention aims to provide a clamping device for bearing processing, aiming at the technical problems that the existing bearing clamping device can not use bearings with various sizes and can not rapidly move up and down the bearings.
The technical scheme for solving the technical problems is as follows: a clamping device for bearing processing comprises a square columnar clamp seat and a clamping device; four moving grooves which are uniformly distributed on the circumference by taking the vertical central shaft of the clamp seat as a rotating central shaft are formed on the upper end surface of the clamp seat; the direction of the moving groove is vertical to the side end surface of the corresponding side of the clamp seat; the clamping device comprises a connecting device, four moving seats and four clamping supports; the moving seats and the clamping supports correspond to each other one by one, and the moving seats and the clamping supports move along the radial direction of the moving grooves on the corresponding sides; the clamping support is elastically movably arranged on the end surface of the inner side of the movable seat on the corresponding side; the connecting device comprises four connecting lifting blocks which are synchronously lifted and arranged on the upper end surface of the movable seat; a horizontal connecting block is formed at the upper end of the end face of the inner side connected with the lifting block; a cuboid-shaped vertical inserting connecting block is formed at the inner side end of the lower end surface of the horizontal connecting block; a connecting slot for vertically inserting the connecting block is formed at the outer end of the upper end surface of the clamping support; the upper end surface of the clamping support is fixedly provided with a propping clamping block.
Preferably, a cylindrical radial driving rod is formed at the center of the lower end surface of the movable seat; a radial limiting groove which is arranged in a radial manner and is penetrated up and down and matched with the radial driving rod is formed on the bottom surface of the moving groove; a cylindrical groove-shaped rotary driving groove is formed at the lower part of the clamp seat; the rotary driving groove is communicated with the radial limiting groove; a rotary driving motor is fixed at the center of the bottom surface of the rotary driving groove; a circular plate-shaped rotary driving disc is fixed on an output shaft of the rotary driving motor; the rotary driving disk is positioned in the rotary driving groove; four circular arc-shaped driving arc grooves which are uniformly distributed on the circumference and are matched with the radial driving rod are formed on the rotary driving disk; the driving arc groove and the rotating central shaft of the rotating driving disk are staggered; the lower end of the radial driving rod is arranged in the driving arc groove on the corresponding side in a sliding manner.
Preferably, as for the above technical solution, a pair of side walls of the moving groove parallel to the length direction thereof are respectively formed with a radial guide groove; and the end surfaces of the corresponding sides of the movable seat and the clamping support are respectively formed with a radial guide block matched with the radial guide groove.
Preferably, a pair of symmetrically arranged vertical guide rods is formed on the upper end surface of the movable seat; the connecting lifting block is vertically sleeved on the pair of vertical guide rods on the corresponding side; left side of
Longitudinal connecting plates are respectively formed on the front end surface and the rear end surface of the pair of connecting lifting blocks on the right side; the left end surface and the right end surface of a pair of connecting lifting blocks at the front side and the rear side are respectively formed with a transverse connecting plate; a connecting chute which is used for the horizontal insertion of the transverse connecting plate and penetrates left and right is formed on the longitudinal connecting plate; the transverse connecting plate is horizontally inserted into and glidingly arranged in the connecting sliding groove on the corresponding side; a vertical driving cylinder is fixed at one end, close to the connecting lifting block, of the upper end surface of the transverse connecting plate; a piston rod of the vertical driving cylinder vertically penetrates through the transverse connecting plate, and a lifting top block is fixed at the lower end of the piston rod.
Preferably, a pair of connecting inserted rods are respectively formed on the end surfaces, close to the movable seat, of the clamping support; a pair of connecting insertion rods are vertically inserted on the end surfaces of the moving seats on the corresponding sides; a pressure spring is sleeved on the connecting inserted rod; the outer side end of the pressure spring is fixed on the inner side end face of the movable seat, and the inner side end of the pressure spring is fixed on the outer side end face of the clamping support.
Preferably, the abutting clamping block is a cylinder and a damping layer is arranged on the outer surface of the abutting clamping block.
The invention has the beneficial effects that: simple structure is suitable for not unidimensional bearing, is favorable to adding the unloading fast of processing the bearing in batches.
Description of the drawings fig. 1 is a schematic top view of the present invention; FIG. 2 is a schematic structural view of the cross section A-A of FIG. 1 according to the present invention; FIG. 3 is a schematic structural diagram of a cross section B-B in FIG. 2 according to the present invention.
In the figure, 10, a jig base; 100. a moving groove; 101. a radial guide groove; 102. a radial limiting groove; 103. a rotation driving groove; 20. a clamping device; 21. a rotary drive motor; 22. a rotating drive disk; 220. driving the arc groove; 23. a movable seat; 231. a radial drive rod;
232. a vertical guide rod; 24. connecting a lifting block; 241. a horizontal connecting block; 242. a connecting block is vertically inserted; 25. a longitudinal connecting plate; 250. connecting the sliding chute; 26. a transverse connecting plate; 27. clamping the support; 270. connecting the slots; 271. connecting the inserted link; 272. a pressure spring; 28. abutting against the clamping block; 281. a damping layer; 29. a vertical driving cylinder; 291. and lifting the jacking block.
In the specific embodiment, as shown in fig. 1 to 3, a clamping device for bearing processing includes a clamp base 10 in a square column shape and a clamping device 20; four moving grooves 100 which are uniformly distributed on the circumference by taking the vertical central shaft of the clamp seat 10 as a rotating central shaft are formed on the upper end surface of the clamp seat 10; the direction of the moving groove 100 is perpendicular to the side end surface of the corresponding side of the jig base 10; the clamping device 20 comprises a connecting device, four moving seats 23 and four clamping seats 27; the moving seats 23 and the clamping seats 27 correspond one to one and the moving seats 23 and the clamping seats 27 move radially along the moving grooves 100 of the respective sides; the clamping support 27 is elastically movably arranged on the inner side end surface of the moving seat 23 on the corresponding side; the connecting device comprises four connecting lifting blocks 24 which are synchronously lifted and arranged on the upper end surface of the movable seat 23; a horizontal connecting block 241 is formed at the upper end of the end face of the inner side connected with the lifting block 24; a rectangular vertical inserting connecting block 242 is formed at the inner side end of the lower end surface of the horizontal connecting block 241; a connecting slot 270 into which the connecting block 242 is vertically inserted is formed at the outer end of the upper end surface of the clamping support 27; an abutting clamping block 28 is fixed on the upper end face of the clamping support 27.
As shown in fig. 1 to 3, a cylindrical radial drive rod 231 is formed at the center of the lower end surface of the movable base 23; a radial limiting groove 102 which is arranged in a radial manner and penetrates up and down and is matched with the radial driving rod 231 is formed on the bottom surface of the moving groove 100; a cylindrical groove-shaped rotation driving groove 103 is formed at the lower part of the clamp seat 10; the rotary driving groove 103 is communicated with the radial limiting groove 102; rotation driving groove 103
A rotary driving motor 21 is fixed at the center of the bottom surface of the frame; a circular plate-shaped rotary driving disk 22 is fixed on an output shaft of the rotary driving motor 21; the rotary drive disk 22 is positioned in the rotary drive slot 103; four circular arc-shaped driving arc grooves 220 which are uniformly distributed on the circumference and are matched with the radial driving rod 231 are formed on the rotary driving disc 22; the driving arc slot 220 and the rotation central axis of the rotation driving disc 22 are staggered; the lower end of the radial driving rod 231 is slidably disposed in the driving arc groove 220 of the corresponding side.
As shown in fig. 2, a pair of side walls of the moving slot 100 parallel to the length direction thereof are respectively formed with radial guide slots 101; the end surfaces of the movable seat 23 and the clamping seat 27 on the corresponding sides are respectively formed with radial guide blocks which are matched with the radial guide grooves 101.
As shown in fig. 1 and 2, a pair of symmetrically arranged vertical guide rods 232 is formed on the upper end surface of the moving seat 23; the connecting lifting block 24 is vertically sleeved on the pair of vertical guide rods 232 on the corresponding side; longitudinal connecting plates 25 are respectively formed on the front end surface and the rear end surface of a pair of connecting lifting blocks 24 on the left side and the right side; the left end surface and the right end surface of a pair of connecting lifting blocks 24 at the front side and the rear side are respectively provided with a transverse connecting plate 26; a connecting sliding groove 250 which is horizontally inserted by the transverse connecting plate 26 and penetrates left and right is formed on the longitudinal connecting plate 25; the transverse connecting plate 26 is horizontally inserted and glidingly arranged in the connecting sliding groove 250 on the corresponding side; a vertical driving cylinder 29 is fixed at one end of the upper end face of the transverse connecting plate 26 close to the connecting lifting block 24; the piston rod of the vertical driving cylinder 29 vertically passes through the transverse connecting plate 26 and is fixed at its lower end with a lifting top block 291.
As shown in fig. 1 and 2, a pair of connecting rods 271 are respectively formed on the end surfaces of the clamping support 27 close to the movable base 23; a pair of connecting rods 271 vertically inserted on the end surface of the moving seat 23 on the corresponding side; a pressure spring 272 is sleeved on the connecting inserting rod 271; the outer end of the compression spring 272 is fixed in motion
The inner end of the compression spring 272 is fixed to the outer end of the clamping holder 27 on the inner end of the holder 23.
As shown in fig. 1, the abutment gripping block 28 is cylindrical and is provided with a damping layer 281 on its outer surface.
The working principle of the clamping device during bearing processing; in an initial state, the four connecting lifting blocks 24 are positioned at the lowest end, the four moving seats 23 are positioned at the outermost side, and the vertically inserted connecting blocks 242 are inserted into the connecting slots 270 at the corresponding sides, so that the moving seats 23 are connected with the clamping support 27 at the corresponding sides into a whole; when the fixture works, the bearing is placed in the center of the upper end face of the fixture seat 10; then the four moving seats 23 are synchronously closed, so that the abutting clamping blocks 28 abut against the outer cylindrical surface of the bearing, and the inner surface of the bearing can be polished; the bearings with one size need to be processed in batch, so that only four connecting lifting blocks 24 need to be synchronously lifted, the vertically inserted connecting block 242 is separated from the connecting slot 270 on the corresponding side, the moving seat 23 is separated from the clamping support 27 on the corresponding side, the bearings can be conveniently taken out, new bearings can be conveniently taken in, due to the existence of the pressure spring 272, the new bearings can be automatically centered after being placed, namely the clamping support 27 is restored to a clamping state, then the four connecting lifting blocks 24 are synchronously lowered, the vertically inserted connecting block 242 is reinserted into the connecting slot 270 on the corresponding side, the moving seat 23 and the clamping support 27 on the corresponding side are re-connected into a whole, the new bearings are clamped, and the inner surfaces of the bearings are conveniently polished; the device is suitable for bearings of different sizes, and is beneficial to quick loading and unloading of the bearings during batch processing.
The above description is only a preferred embodiment of the present invention, and for those skilled in the art, there are variations on the embodiment and the application scope according to the idea of the present invention, and the content of the present description should not be construed as a limitation to the present invention.
Claims (5)
1. The utility model provides a clamping device when bearing machining which characterized in that: comprises a clamp seat (10) in a square column shape and a clamping device (20); four moving grooves (100) which are uniformly distributed on the circumference by taking the vertical central shaft of the clamp seat (10) as a rotating central shaft are formed on the upper end surface of the clamp seat (10); the direction of the moving groove (100) is vertical to the side end surface of the corresponding side of the clamp seat (10); the clamping device (20) comprises a connecting device, four moving seats (23) and four clamping supports (27); the moving seats (23) and the clamping supports (27) correspond to each other one by one, and the moving seats (23) and the clamping supports (27) radially move along the moving grooves (100) on the corresponding sides; the clamping support (27) is elastically movably arranged on the inner side end surface of the moving seat (23) on the corresponding side; the connecting device comprises four connecting lifting blocks (24) which are synchronously lifted and arranged on the upper end surface of the movable seat (23); a horizontal connecting block (241) is formed at the upper end of the end face of the inner side connected with the lifting block (24); a cuboid-shaped vertical inserting connecting block (242) is formed at the inner side end of the lower end surface of the horizontal connecting block (241); a connecting slot (270) for vertically inserting the connecting block (242) is formed at the outer end of the upper end surface of the clamping support (27); an abutting clamping block (28) is fixed on the upper end surface of the clamping support (27); a cylindrical radial driving rod (231) is formed at the center of the lower end face of the movable seat (23); a radial limiting groove (102) which is arranged in a radial manner and penetrates up and down and is matched with the radial driving rod (231) is formed on the bottom surface of the moving groove (100); a cylindrical groove-shaped rotary driving groove (103) is formed at the lower part of the clamp seat (10); the rotary driving groove (103) is communicated with the radial limiting groove (102); a rotary driving motor (21) is fixed at the center of the bottom surface of the rotary driving groove (103); a circular plate-shaped rotary driving disc (22) is fixed on an output shaft of the rotary driving motor (21); the rotary driving disk (22) is positioned in the rotary driving groove (103); four circular arc-shaped driving arc grooves (220) which are uniformly distributed on the circumference and are matched with the radial driving rod (231) are formed on the rotary driving disk (22); the driving arc groove (220) is staggered with the rotation central shafts of the rotary driving disc (22); the lower end of the radial driving rod (231) is arranged in the driving arc groove (220) on the corresponding side in a sliding manner.
2. The clamping device during bearing machining according to claim 1, wherein: a pair of side walls of the moving groove (100) parallel to the length direction are respectively provided with a radial guide groove (101); the end surfaces of the corresponding sides of the moving seat (23) and the clamping support seat (27) are respectively provided with a radial guide block matched with the radial guide groove (101).
3. The clamping device during bearing machining according to claim 1, wherein: a pair of vertical guide rods (232) which are symmetrically arranged is formed on the upper end surface of the movable seat (23); the connecting lifting block (24) is vertically sleeved on the pair of vertical guide rods (232) on the corresponding side; longitudinal connecting plates (25) are respectively formed on the front end surface and the rear end surface of a pair of connecting lifting blocks (24) on the left side and the right side; the left end surface and the right end surface of a pair of connecting lifting blocks (24) at the front side and the rear side are respectively provided with a transverse connecting plate (26); a connecting sliding groove (250) which is horizontally inserted by the transverse connecting plate (26) and penetrates left and right is formed on the longitudinal connecting plate (25); the transverse connecting plate (26) is horizontally inserted and glidingly arranged in the connecting sliding groove (250) on the corresponding side; a vertical driving cylinder (29) is fixed at one end, close to the connecting lifting block (24), of the upper end face of the transverse connecting plate (26); the piston rod of the vertical driving cylinder (29) vertically passes through the transverse connecting plate (26) and the lower end of the piston rod is fixed with a lifting top block (291).
4. A clamping apparatus for bearing machining according to claim 1, wherein
In the following steps: a pair of connecting inserted rods (271) are respectively formed on the end surfaces, close to the movable seat (23), of the clamping support seats (27); a pair of connecting insertion rods (271) are vertically inserted on the end surfaces of the moving seats (23) on the corresponding sides; a pressure spring (272) is sleeved on the connecting inserted rod (271); the outer end of the compression spring (272) is fixed on the inner end surface of the movable seat (23), and the inner end of the compression spring (272) is fixed on the outer end surface of the clamping support (27).
5. The clamping device during bearing machining according to claim 1, wherein: the abutment gripping block (28) is cylindrical and is provided with a damping layer (281) on its outer surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010921934.4A CN112045561B (en) | 2020-09-04 | 2020-09-04 | Clamping device for bearing machining |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010921934.4A CN112045561B (en) | 2020-09-04 | 2020-09-04 | Clamping device for bearing machining |
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| Publication Number | Publication Date |
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| CN112045561A CN112045561A (en) | 2020-12-08 |
| CN112045561B true CN112045561B (en) | 2021-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010921934.4A Active CN112045561B (en) | 2020-09-04 | 2020-09-04 | Clamping device for bearing machining |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205651135U (en) * | 2016-05-13 | 2016-10-19 | 河南省华祥起重机械有限公司 | Automatic fixed knot who changes loading attachment of lathe constructs |
| DE102016224417A1 (en) * | 2016-12-08 | 2018-06-14 | Wolfgang Streicher | Clamping device for clamping a workpiece |
| CN107336051B (en) * | 2017-09-05 | 2023-12-15 | 南通理工学院 | Quick accurate centering positioning fixture of machining center |
| CN207900708U (en) * | 2018-02-06 | 2018-09-25 | 东莞市高全数控机械有限公司 | A kind of high-speed line rail machining center accurate-location device |
| CN209140398U (en) * | 2018-11-27 | 2019-07-23 | 卓拓精密工具（苏州）有限公司 | A kind of fixed device of four-jaw self-centering |
| CN209288807U (en) * | 2019-01-15 | 2019-08-23 | 蚌埠市昊德汽车轴承有限责任公司 | A kind of fixed device of bearing blank end face processing |
| CN210703673U (en) * | 2019-07-26 | 2020-06-09 | 恩施市长源轴承制造有限公司 | Fixing base is used in processing of agricultural machinery bearing |
| CN111393013A (en) * | 2020-05-15 | 2020-07-10 | 江苏久茂精密电子科技有限公司 | Positioning device for stamping production of tempered glass |
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