CN216359314U - High-tightness hub tooling clamp - Google Patents
High-tightness hub tooling clamp Download PDFInfo
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- CN216359314U CN216359314U CN202123145631.7U CN202123145631U CN216359314U CN 216359314 U CN216359314 U CN 216359314U CN 202123145631 U CN202123145631 U CN 202123145631U CN 216359314 U CN216359314 U CN 216359314U
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Abstract
The utility model relates to a high leakproofness wheel hub frock clamp belongs to the machine tool anchor clamps field, including installing the three-jaw chuck on the numerical control machining center workstation, one side that the chuck body of three-jaw chuck corresponds the jack catch is provided with the installation piece, and the installation piece is connected with the compact heap, and the compact heap is close to chuck body one side can the butt in the wheel hub of truck, and compact heap threaded connection has clamp bolt, and clamp bolt keeps away from compact heap one end threaded connection in installation piece, and the installation piece is provided with and is used for restricting the spacing portion of compact heap pivoted. The application improves the condition that the truck hub easily drops from the three-jaw chuck.
Description
Technical Field
The application relates to the field of machine tool fixtures, in particular to a high-tightness hub tool fixture.
Background
Referring to fig. 1, a conventional truck hub 1 includes a disk portion 11, and a sleeve 12 for connecting an axle is fixedly connected to one side of the disk portion 11.
The truck hub after casting needs to be subjected to hole opening and surface cutting in a machining link, and an enterprise usually uses a numerical control machining center and matches a three-jaw chuck to machine the truck hub.
In view of the above-mentioned related art, when the chuck hub rotates at a high speed under the clamping of the three-jaw chuck, and a cutter of the nc machining center performs cutting machining on the chuck hub, the cutting force tends to cause the chuck hub to fall off from the three-jaw chuck.
SUMMERY OF THE UTILITY MODEL
In order to improve the condition that the card wheel hub easily drops from the three-jaw chuck, this application provides a high fixity wheel hub frock clamp.
The application provides a pair of high leakproofness wheel hub frock clamp adopts following technical scheme:
the utility model provides a high leakproofness wheel hub frock clamp, is including installing the three-jaw chuck on the numerical control machining center workstation, and one side that the chuck body of three-jaw chuck corresponds the jack catch is provided with the installation piece, and the installation piece is connected with the compact heap, and the compact heap is close to chuck body one side can the butt in the chuck wheel hub, and compact heap threaded connection has clamp bolt, and clamp bolt keeps away from compact heap one end threaded connection in installation piece, and the installation piece is provided with and is used for restricting the spacing portion of compact heap pivoted.
Through adopting above-mentioned scheme, the workman places the card wheel hub on the three-jaw chuck, the jack catch presss from both sides tight back workman with the card wheel hub and presses the compact heap on the disc portion surface of card wheel hub, screw up clamp bolt, clamp bolt cooperation compact heap tightly presses the card wheel hub on the three-jaw chuck, reduce the probability that card wheel hub drops from the three-jaw chuck under the effect of cutting force, spacing portion reduces the compact heap and takes place to twist reverse and not hard up probability at equipment operation in-process, reduce the probability that the compact heap became invalid.
Preferably, spacing portion is the stopper that fixed connection is close to compact heap one side in the installation piece, and the stopper sets up along installation piece length direction, and the compact heap corresponds stopper position department and has seted up the spacing groove, and the spacing groove sets up along stopper length direction, and stopper sliding connection is in the spacing groove, and the stopper slides to being close to the compact heap direction by keeping away from the compact heap direction.
By adopting the scheme, the limiting block is matched with the pressing block through the limiting groove, the pressing block is limited to rotate on the mounting block, the pressing block moves up and down along with the pressing bolt under the limitation of the limiting block, the fastening effect of the pressing block on the hub of the truck is improved, and the failure probability of the pressing block is reduced.
Preferably, the chuck body has seted up the spout corresponding to installation piece position department, and the spout radially sets up along the chuck body, and installation piece sliding connection in spout, installation piece slide along spout length direction, and the installation piece is provided with the locking subassembly that is used for locking self position.
Through adopting above-mentioned scheme, when placing the karman hub, remove the locking of locking Assembly to the installation piece, will install the piece and slide to keeping away from three-jaw chuck direction, the compact heap lets out the mounted position for the karman hub under the drive of installation piece. The installation piece that slides the setting makes the workman need not pull down the compact heap for the card wheel hub lets the position improvement workman's operating efficiency, also is convenient for simultaneously adjust the compact heap apart from the distance at three-jaw chuck center in order to adapt to the card wheel hub of different diameters.
Preferably, the mounting block is fixedly connected with limiting flanges along two sides of the length direction, a groove is formed in the position, corresponding to the limiting flanges, of the chuck body, the limiting flanges are connected to the groove in a sliding mode, and the limiting flanges slide along the radial direction of the chuck body.
By adopting the scheme, the limiting flange limits the sliding direction of the mounting block on the chuck body, the probability that the mounting block is pulled out from the sliding groove by the compression bolt is reduced, and the stability of the tool clamp is improved.
Preferably, the locking assembly comprises a locking bolt in threaded connection with the chuck body, the locking bolt is in threaded connection with a locking block, and one side, close to the chuck body, of the locking block can abut against one side, far away from the chuck body, of the mounting block.
By adopting the scheme, the locking bolt and the locking block are matched to limit the sliding of the mounting block on the three-jaw chuck, so that the probability of throwing the mounting block out in the rotating process of the three-jaw chuck is reduced.
Preferably, the locking piece is close to chuck body one side and is provided with elastic slipmat, and the slipmat both sides butt respectively in chuck body and locking piece.
Through adopting above-mentioned scheme, the slipmat reduces the locking piece and takes place pivoted probability after the locking bolt is screwed up, reduces the locking piece and takes place not hard up probability in equipment operation process, improves the fixed effect of locking piece to the installation piece.
Preferably, all jack catchs are close to one end each other and have all been seted up the butt face, and the arc setting is personally submitted in the butt and the butt face can cooperate with the disc portion of card car wheel hub.
By adopting the scheme, the contact area between the clamping jaws and the wheel hub of the truck is increased by the arc-shaped abutting surfaces, the friction force between the clamping jaws and the wheel hub of the truck is improved, and the probability that the wheel hub of the truck falls off from the three-jaw chuck is reduced.
Preferably, the end, close to each other, of each of the claws is provided with a receiving platform, the upper surfaces of all the receiving platforms are located on the same horizontal plane, and the disc portion of the hub of the truck can abut against the receiving platforms.
By adopting the scheme, the bearing platform on the same horizontal plane is convenient for the chuck wheel hub to be horizontally placed on the three-jaw chuck, the probability of increased processing error caused by clamping deflection is reduced, and the production precision of the chuck wheel hub is improved.
In summary, the present application has the following beneficial effects:
1. after the chuck wheel hub is clamped by the clamping jaws, workers press the pressing block on the surface of the disc part of the chuck wheel hub, the pressing bolt is screwed, the pressing bolt is matched with the pressing block to tightly press the chuck wheel hub on the three-jaw chuck, and the probability that the chuck wheel hub falls off from the three-jaw chuck under the action of cutting force is reduced;
2. the limiting block is matched with the pressing block through the limiting groove to limit the pressing block to rotate on the mounting block, and the pressing block moves up and down along with the pressing bolt under the limitation of the limiting block, so that the locking effect of the pressing block on the hub of the truck is improved, and the failure probability of the pressing block is reduced;
3. the installation piece that slides the setting makes the workman need not pull down the compact heap for the card wheel hub lets the position improvement workman's operating efficiency, also is convenient for simultaneously adjust the compact heap apart from the distance at three-jaw chuck center in order to adapt to the card wheel hub of different diameters.
Drawings
FIG. 1 is a schematic structural view of a truck hub in the related art;
FIG. 2 is a schematic structural diagram of a high-tightness hub tooling clamp according to an embodiment of the present application;
FIG. 3 is a cross-sectional view of a protruding position-defining flange of a high-tightness hub tooling fixture according to an embodiment of the present application;
fig. 4 is an assembly diagram of a high-tightness hub tooling fixture and a truck hub according to an embodiment of the present application.
Description of reference numerals: 1. a truck hub; 11. a disk portion; 12. a sleeve; 2. a three-jaw chuck; 21. a chuck body; 211. a chute; 212. a groove; 22. a claw; 221. an abutting surface; 222. a receiving table; 3. mounting blocks; 31. a limiting block; 32. a limiting flange; 4. a compression block; 41. a limiting groove; 42. a hold-down bolt; 5. a locking assembly; 51. a locking bolt; 52. a locking block; 53. a non-slip mat.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses high fastening wheel hub frock clamp. Referring to fig. 2 and 3, including installing three-jaw chuck 2 on the numerical control machining center workstation, one side that chuck body 21 of three-jaw chuck 2 corresponds jack catch 22 is provided with installation piece 3, chuck body 21 corresponds installation piece 3 position department and has seted up spout 211, spout 211 radially sets up along chuck body 21, 3 sliding connection in spout 211 of installation piece, installation piece 3 slides along spout 211 length direction, installation piece 3 is along length direction both sides fixedly connected with limit flange 32, chuck body 21 corresponds limit flange 32 position department and sets up fluted 212, limit flange 32 sliding connection is in recess 212, limit flange 32 radially slides along chuck body 21, installation piece 3 is provided with locking Assembly 5 that is used for locking self position. The mounting block 3 is connected with the compact heap 4, and compact heap 4 is close to chuck body 21 one side and can butt in chuck wheel hub 1, and 4 threaded connection of compact heap has clamp bolt 42, and clamp bolt 42 keeps away from 4 one end threaded connection of compact heap in mounting block 3, and mounting block 3 is provided with and is used for restricting the spacing portion of compact heap 4 pivoted. A worker places the truck hub 1 on the three-jaw chuck 2, the clamping jaws 22 clamp the truck hub 1, then the worker presses the pressing block 4 on the surface of the disc part 11 of the truck hub 1, the pressing bolt 42 is screwed, and the pressing bolt 42 is matched with the pressing block 4 to tightly press the truck hub 1 on the three-jaw chuck 2, so that the probability that the truck hub 1 falls off from the three-jaw chuck 2 under the action of cutting force is reduced.
Referring to fig. 2 and 3, the limiting portion is a limiting block 31 fixedly connected to one side of the mounting block 3 close to the compressing block 4, the limiting block 31 is arranged along the length direction of the mounting block 3, a limiting groove 41 is formed in the position of the compressing block 4 corresponding to the limiting block 31, the limiting groove 41 is arranged along the length direction of the limiting block 31, the limiting block 31 is slidably connected to the limiting groove 41, and the limiting block 31 slides towards the direction close to the compressing block 4 from the direction away from the compressing block 4. The limiting part reduces the probability that the compressing block 4 is twisted and loosened in the operation process of the equipment, reduces the probability that the compressing block 4 fails, the limiting block 31 is matched with the compressing block 4 through the limiting groove 41, the limiting compressing block 4 rotates on the installation block 3, the compressing block 4 moves up and down along with the compressing bolt 42 under the limitation of the limiting block 31, the clamping effect of the compressing block 4 on the truck hub 1 is improved, and the probability that the compressing block 4 fails is reduced.
Referring to fig. 2 and 3, the locking assembly 5 includes a locking bolt 51 screwed to the chuck body 21, the locking bolt 51 is screwed with a locking block 52, and a side of the locking block 52 close to the chuck body 21 can abut against a side of the mounting block 3 away from the chuck body 21. The locking bolt 51 and the locking block 52 are matched to limit the sliding of the mounting block 3 on the three-jaw chuck 2, so that the probability that the mounting block 3 is thrown out in the rotating process of the three-jaw chuck 2 is reduced. An elastic anti-slip pad 53 is arranged on one side of the locking block 52 close to the chuck body 21, and two sides of the anti-slip pad 53 are respectively abutted against the chuck body 21 and the locking block 52. The anti-slip pad 53 reduces the probability that the locking block 52 rotates after the locking bolt 51 is screwed down, reduces the probability that the locking block 52 loosens in the operation process of the equipment, and improves the fixing effect of the locking block 52 on the mounting block 3.
Referring to fig. 2 and 4, the abutting surfaces 221 are formed at the ends of all the claws 22 close to each other, the abutting surfaces 221 are arranged in an arc shape, and the abutting surfaces 221 can be engaged with the disk portion 11 of the chuck hub 1. The arc-shaped abutting surface 221 increases the contact area between the claws 22 and the truck hub 1, improves the friction force between the claws 22 and the truck hub 1, and reduces the probability that the truck hub 1 falls off from the three-jaw chuck 2. All the claws 22 are provided with receiving bases 222 at ends close to each other, the upper surfaces of all the receiving bases 222 are located on the same horizontal plane, and the disk portion 11 of the chuck hub 1 can be brought into contact with the receiving bases 222. The bearing table 222 on the same horizontal plane facilitates the horizontal placement of the truck hub 1 on the three-jaw chuck 2, reduces the probability of increased processing errors caused by clamping deflection, and improves the production precision of the truck hub 1.
The implementation principle of the high-tightness hub tooling clamp in the embodiment of the application is as follows: after the clamping jaw 22 clamps the truck hub 1, a worker presses the pressing block 4 on the surface of the disc part 11 of the truck hub 1, screws the pressing bolt 42, and the pressing bolt 42 is matched with the pressing block 4 to tightly press the truck hub 1 on the three-jaw chuck 2, so that the probability that the truck hub 1 falls off from the three-jaw chuck 2 under the action of cutting force is reduced; the limiting block 31 is matched with the pressing block 4 through the limiting groove 41, the pressing block 4 is limited to rotate on the mounting block 3, the pressing block 4 moves up and down along with the pressing bolt 42 under the limitation of the limiting block 31, the fastening effect of the pressing block 4 on the truck hub 1 is improved, and the failure probability of the pressing block 4 is reduced.
The embodiment of the application improves the situation that the truck hub 1 is easy to fall off from the three-jaw chuck 2.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a high leakproofness wheel hub frock clamp, is including installing three-jaw chuck (2) on the numerical control machining center workstation, its characterized in that: one side of a chuck body (21) of the three-jaw chuck (2) corresponding to the clamping jaw (22) is provided with an installation block (3), the installation block (3) is connected with a pressing block (4), one side of the pressing block (4) close to the chuck body (21) can be abutted to a chuck wheel hub (1), the pressing block (4) is in threaded connection with a pressing bolt (42), one end of the pressing bolt (42) far away from the pressing block (4) is in threaded connection with the installation block (3), and the installation block (3) is provided with a limiting part used for limiting the rotation of the pressing block (4).
2. The high-tightness hub tooling clamp of claim 1, characterized in that: spacing portion is stopper (31) that fixed connection is close to compact heap (4) one side in installation piece (3), stopper (31) set up along installation piece (3) length direction, and spacing groove (41) have been seted up to compact heap (4) corresponding stopper (31) position department, and stopper (31) length direction sets up is followed in spacing groove (41), stopper (31) sliding connection in spacing groove (41), and stopper (31) are by keeping away from compact heap (4) direction to being close to compact heap (4) direction slip.
3. The high-tightness hub tooling clamp of claim 1, characterized in that: the chuck body (21) corresponds installation piece (3) position department and has seted up spout (211), and radial setting along chuck body (21) is followed in spout (211), and installation piece (3) sliding connection is in spout (211), and installation piece (3) slide along spout (211) length direction, and installation piece (3) are provided with locking subassembly (5) that are used for locking self position.
4. The high-tightness hub tooling clamp of claim 3, wherein: the mounting block (3) is fixedly connected with limiting flanges (32) along two sides of the length direction, a groove (212) is formed in the position, corresponding to the limiting flange (32), of the chuck body (21), the limiting flange (32) is connected to the groove (212) in a sliding mode, and the limiting flange (32) slides along the radial direction of the chuck body (21).
5. The high-tightness hub tooling clamp of claim 3, wherein: the locking assembly (5) comprises a locking bolt (51) which is in threaded connection with the chuck body (21), the locking bolt (51) is in threaded connection with a locking block (52), and one side, close to the chuck body (21), of the locking block (52) can abut against one side, far away from the chuck body (21), of the mounting block (3).
6. The high-tightness hub tooling clamp of claim 5, wherein: one side of the locking block (52) close to the chuck body (21) is provided with an elastic anti-slip pad (53), and two sides of the anti-slip pad (53) are respectively abutted against the chuck body (21) and the locking block (52).
7. The high-tightness hub tooling clamp of claim 1, characterized in that: all the clamping jaws (22) are provided with abutting surfaces (221) at one ends close to each other, the abutting surfaces (221) are arranged in an arc shape, and the abutting surfaces (221) can be matched with the disc part (11) of the truck hub (1).
8. The high-tightness hub tooling clamp of claim 1, characterized in that: one end of each clamping jaw (22), which is close to each other, is provided with a bearing platform (222), the upper surfaces of all the bearing platforms (222) are positioned on the same horizontal plane, and the disc part (11) of the truck hub (1) can be abutted against the bearing platforms (222).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123145631.7U CN216359314U (en) | 2021-12-15 | 2021-12-15 | High-tightness hub tooling clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123145631.7U CN216359314U (en) | 2021-12-15 | 2021-12-15 | High-tightness hub tooling clamp |
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| Publication Number | Publication Date |
|---|---|
| CN216359314U true CN216359314U (en) | 2022-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123145631.7U Active CN216359314U (en) | 2021-12-15 | 2021-12-15 | High-tightness hub tooling clamp |
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| CN (1) | CN216359314U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114833366A (en) * | 2022-05-19 | 2022-08-02 | 鹰普航空科技有限公司 | Pneumatic self-centering clamp with adjustable clamping jaw pressure |
| CN117300690A (en) * | 2023-11-30 | 2023-12-29 | 湖南九宇新材料有限公司 | Five-axis linkage numerical control machining center for machining wind power blade accessories |
-
2021
- 2021-12-15 CN CN202123145631.7U patent/CN216359314U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114833366A (en) * | 2022-05-19 | 2022-08-02 | 鹰普航空科技有限公司 | Pneumatic self-centering clamp with adjustable clamping jaw pressure |
| CN114833366B (en) * | 2022-05-19 | 2023-08-22 | 鹰普航空科技有限公司 | Claw-adjustable pneumatic self-centering clamp |
| CN117300690A (en) * | 2023-11-30 | 2023-12-29 | 湖南九宇新材料有限公司 | Five-axis linkage numerical control machining center for machining wind power blade accessories |
| CN117300690B (en) * | 2023-11-30 | 2024-02-13 | 湖南九宇新材料有限公司 | Five-axis linkage numerical control machining center for machining wind power blade accessories |
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