CN216326665U - Special fixture for machining hub bearing hole - Google Patents
Special fixture for machining hub bearing hole Download PDFInfo
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- CN216326665U CN216326665U CN202122793822.8U CN202122793822U CN216326665U CN 216326665 U CN216326665 U CN 216326665U CN 202122793822 U CN202122793822 U CN 202122793822U CN 216326665 U CN216326665 U CN 216326665U
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- hub bearing
- supporting seat
- special fixture
- bearing hole
- flange plate
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Abstract
The utility model provides a special fixture for machining a hub bearing hole, which belongs to the technical field of automobile accessory machining equipment and comprises a bottom plate, a supporting seat, a central positioning piece, a profile following guide piece and a plurality of pressing mechanisms, wherein the bottom plate is provided with a plurality of positioning holes; the bottom plate is fixedly provided with a supporting seat and a central positioning piece positioned in the middle of the supporting seat, the supporting seat is used for supporting one end face of the flange plate, and the central positioning piece is matched and positioned with the inside of the shaft sleeve; the profile following guide piece is fixedly arranged in the groove of the flange plate and is matched and positioned with the groove of the flange plate; the supporting seat is circumferentially arranged on the outer side of the supporting seat, and the pressing mechanisms downwards press the other end face of the flange plate. The special fixture for processing the hub bearing hole, provided by the utility model, has the advantages of simple and reliable structure, high clamping speed, no need of repeated clamping, and capability of ensuring the processing precision and efficiency; the adjustment is convenient and flexible, and the processing efficiency is high.
Description
Technical Field
The utility model belongs to the technical field of automobile accessory processing equipment, and particularly relates to a special fixture for processing a hub bearing hole.
Background
The hub bearing mainly has the functions of bearing and providing accurate guide for the rotation of the hub, and is an indispensable part on an automobile; when the wheel hub bearing is machined, the wheel hub bearing needs to be clamped and positioned, and a corresponding clamp is needed for clamping;
the existing clamp is single in clamping mode, when a round hole on a hub bearing is machined, clamping adjustment needs to be repeated, positioning accuracy and machining efficiency are affected, the structure is complex, and clamping efficiency is low.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a special fixture for machining a hub bearing hole, which can be used for quickly clamping, completing machining by one-time clamping and improving the machining precision and the machining efficiency.
In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides a wheel hub bearing spot facing work special fixture, includes:
the bottom plate is fixedly provided with a supporting seat and a central positioning piece positioned in the middle of the supporting seat, the supporting seat is used for supporting one end face of the flange plate, and the central positioning piece is matched and positioned with the inside of the shaft sleeve;
the free-form guide piece is fixedly arranged in the groove of the flange plate and is matched and positioned with the groove of the flange plate;
and the plurality of pressing mechanisms are circumferentially arranged on the outer side of the supporting seat, and the pressing mechanisms downwards press the other end face of the flange plate.
In a possible implementation manner, a plurality of through holes which are correspondingly communicated up and down are arranged on the bottom plate, the supporting seat and the central positioning piece, and the through holes correspond to the hub bearing machining holes and the shaft sleeve holes.
In a possible implementation manner, the pressing mechanism is an oil pressure lever cylinder, and the oil pressure lever cylinder is fixedly arranged on the bottom plate and downwards presses the end face, close to the small-diameter end, of the flange plate through the end of the lever rod.
In a possible implementation manner, a mistake-proofing mechanism is further fixedly arranged on one side of the supporting seat, and the action end of the mistake-proofing mechanism extends out of and abuts against the plum blossom bench so as to ensure circumferential positioning of the hub bearing.
In some embodiments, the error-proofing mechanism comprises:
the supporting block is fixedly arranged on the bottom plate, and a locking piece penetrates through the supporting block;
the telescopic block is arranged on the supporting block and is abutted against the supporting block in a sliding mode towards the plum blossom bench, and the locking piece is abutted against one side face of the telescopic block.
In a possible implementation manner, a lateral pressing mechanism is further arranged on one side of the supporting seat and comprises a V-shaped corner block matched with the side face of the groove of the flange plate, and the V-shaped corner block is translated to abut against the side face of the groove of the flange plate.
In one possible implementation, the base plate is supported and connected by the turnover mechanism and has a rotational degree of freedom.
In a possible implementation manner, the number of the conformal guiding pieces is multiple, and the conformal guiding pieces correspond to the flange plate grooves one to one.
In the embodiment of the application, the bottom plate is used for bearing and fixing the supporting seat and the central positioning piece, wherein the supporting seat is used for supporting the end face, close to the large-diameter end, of the flange plate, the large-diameter end of the flange plate is inserted into the central positioning piece and is positioned by the central positioning piece, and the Z-direction support is ensured; the profile following guide piece is matched with the groove of the flange plate and used for limiting the circumferential rotation of the hub bearing and realizing circumferential positioning; and the pressing flange plates of the pressing assemblies are close to the end face of the small-diameter end, so that the hub bearing is clamped.
Compared with the prior art, the special fixture for processing the hub bearing hole realizes vertical support and horizontal positioning through the support seat and the central positioning piece, realizes circumferential positioning through the shape following guide piece, and realizes clamping of the hub bearing through the plurality of pressing mechanisms; the structure is simple and reliable, the clamping is quick, repeated clamping is not needed, and the machining precision and efficiency are ensured; the adjustment is convenient and flexible, and the processing efficiency is high.
Drawings
FIG. 1 is a schematic perspective view of a hub bearing to be machined according to an embodiment of the present invention;
fig. 2 is a schematic perspective view of a special fixture for processing a hub bearing hole according to an embodiment of the present invention;
FIG. 3 is a schematic bottom view of the special fixture for machining a hub bearing hole shown in FIG. 2;
fig. 4 is a schematic top view of the special fixture for machining a hub bearing hole according to another embodiment of the present invention;
fig. 5 is a schematic perspective view of the special fixture for machining a hub bearing hole shown in fig. 4.
Description of reference numerals:
1. a base plate; 2. a supporting seat; 3. a central positioning member; 4. a form-following guide; 5. a pressing mechanism; 6. a through hole; 7. a mistake proofing mechanism; 71. a support block; 72. a locking member; 73. a telescopic block; 8. a lateral pressing mechanism; 81. a V-shaped corner block; 9. a turnover mechanism; 10. a hub bearing; 101. a shaft sleeve; 102. a flange plate; 103. a plum blossom bench; 104. a groove; 105. and (6) machining holes.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Referring to fig. 1, a blank of the hub bearing 10 to be clamped and processed by the clamp of the present application includes a shaft sleeve 101 and a flange 102 disposed on an outer peripheral side of the shaft sleeve 101, the shaft sleeve 101 is divided into a large-diameter end and a small-diameter end at two sides of the flange 102, a plum blossom platform 103 is enclosed between the flange 102 and the small-diameter end, and a plurality of grooves 104 are disposed on the flange 102 at equal angles in a circumferential direction.
Referring to fig. 2, the special fixture for machining a hub bearing hole according to the present invention will now be described. The special fixture for processing the hub bearing hole comprises a bottom plate 1, a supporting seat 2, a center positioning part 3, a conformal guide part 4 and a plurality of pressing mechanisms 5; a supporting seat 2 and a central positioning piece 3 positioned in the middle of the supporting seat 2 are fixedly arranged on the bottom plate 1, the supporting seat 2 is used for supporting one end face of the flange plate 102, and the central positioning piece 3 is matched and positioned with the inside of the shaft sleeve 101; the conformal guide part 4 is fixedly arranged in the groove 104 of the flange plate 102 and is matched and positioned with the groove 104 of the flange plate 102; the plurality of pressing mechanisms 5 are circumferentially arranged outside the supporting seat 2, and the pressing mechanisms 5 press the other end face of the flange plate 102.
In the embodiment of the application, the bottom plate 1 is used for bearing the fixed supporting seat 2 and the central positioning element 3, wherein the supporting seat 2 is used for supporting the end face of the flange plate 102 close to the large-diameter end, and the large-diameter end of the flange plate 102 is inserted into the central positioning element 3 and positioned by the central positioning element 3, so that the support in the Z direction is ensured; the profile-following guide part 4 is matched with the groove 104 of the flange plate 102 and used for limiting the circumferential rotation of the hub bearing 10 to realize circumferential positioning; and (3) pressing the end faces, close to the small-diameter end, of the flange plates 102 by the plurality of pressing assemblies to finish clamping the hub bearing 10.
Compared with the prior art, the special fixture for processing the hub bearing hole, provided by the embodiment, realizes vertical support and horizontal positioning through the support seat 2 and the central positioning piece 3, realizes circumferential positioning through the profile following guide piece 4, and realizes clamping of the hub bearing 10 through the plurality of pressing mechanisms 5; the structure is simple and reliable, the clamping is quick, repeated clamping is not needed, and the machining precision and efficiency are ensured; the adjustment is convenient and flexible, and the processing efficiency is high.
In some embodiments, referring to fig. 3, a plurality of through holes 6 are correspondingly formed in the bottom plate 1, the supporting seat 2 and the central positioning member 3, and the through holes 6 correspond to the processing holes 105 of the hub bearing 10 and the holes of the shaft sleeve 101.
In this embodiment, the holes on the supporting seat 2 correspond to the processing holes 105 of the hub bearings 10 one by one, the three holes on the centering element 3 correspond to the holes of the shaft sleeve 101, and the holes on the bottom plate 1 correspond to the holes on the bearing seat and the holes on the centering element 3 one by one and penetrate through the holes up and down to form the through holes 6. When a workpiece is machined, the through hole 6 is in an avoiding design, so that front drilling and chip removal are facilitated.
In some possible implementations, the pressing mechanism 5 is configured as shown in fig. 2. Referring to fig. 2, the pressing mechanism 5 is an oil pressure lever cylinder, which is fixedly disposed on the bottom plate 1 and presses the end surface of the flange plate 102 close to the small diameter end through the lever end.
In this embodiment, the supporting base 2 is cylindrical, the oil pressure lever cylinder is circumferentially disposed on the side of the supporting base 2, and the lever end is located above the flange plate 102. After the hub bearing 10 is placed, the lever end of the oil pressure lever cylinder is controlled to act, and the pressing flange plate 102 is pressed downwards to be close to the end face of the small-diameter end.
In some possible implementations, referring to fig. 2, an error-proofing mechanism 7 is further fixedly arranged on one side of the supporting seat 2, and an actuating end of the error-proofing mechanism 7 extends to abut against the quincunx table 103 to ensure the circumferential positioning of the hub bearing 10.
In this embodiment, the working end of the error preventing mechanism 7 abuts against the quincunx table 103, thereby ensuring that the machining hole 105 corresponds to the through hole 6 in the support base 2. Through the action of the mistake proofing mechanism 7, the circumferential direction and the radial direction of the hub bearing 10 are accurately positioned.
Specifically, the operation end of the error prevention mechanism 7 is horizontally moved from the side surface of the hub bearing 10 to the center of the hub bearing 10 to abut against the side surface, so as to adjust the position of the hub bearing 10.
In some possible implementations, the error protection mechanism 7 may be configured as shown in fig. 2. Referring to fig. 2, the mistake proofing mechanism 7 comprises a supporting block 71 and a telescopic block 73, the supporting block 71 is fixedly arranged on the bottom plate 1, and a locking member 72 is arranged on the supporting block 71 in a penetrating manner; the expansion block 73 is provided on the support block 71 and slidably abuts against the quincunx table 103, and the lock member 72 abuts against one side surface of the expansion block 73.
In this embodiment, the position of the hub bearing 10 is adjusted by manually adjusting the telescopic block 73, so that the machining hole 105 corresponds to the holes on the support base 2 and the bottom plate 1, and the manual adjustment is more direct and accurate.
Specifically, the locking member 72 is a bolt in threaded fit with the supporting block 71, and the bolt is rotated to tightly abut against the telescopic block 73, so as to prevent the telescopic block 73 and the hub bearing 10 from moving and affecting the processing precision.
In some possible implementations, referring to fig. 2, a lateral pressing mechanism 8 is further provided on one side of the supporting seat 2, the lateral pressing mechanism 8 includes a V-shaped corner block 81 matched with the side of the groove 104 of the flange 102, and the V-shaped corner block 81 is translationally pressed against the side of the groove 104 of the flange 102.
In this embodiment, the lateral pressing mechanism 8 is located on one side of the supporting seat 2 away from the error-proofing mechanism 7, and after the wheel hub bearing 10 is well positioned by the error-proofing mechanism 7, the V-shaped corner block 81 is translated from the side surface of the supporting seat 2 to the groove 104, and is matched with the following guide piece 4 and the telescopic block 73 to abut against the groove 104, press the wheel hub bearing 10, and ensure that the workpiece does not horizontally move.
Specifically, the lateral pressing mechanism 8 is an oil pressure pushing cylinder, and an action end of the oil pressure pushing cylinder is connected with the V-shaped corner block 81.
In some possible implementations, see fig. 4 and 5, the base plate 1 is connected by a turnover mechanism 9 and has a rotational degree of freedom.
In the embodiment, the platform is required to be turned over by 180 degrees for chamfering the workpiece, and the workpiece is machined from one side of the through hole 6 below the bottom plate 1. The bottom plate 1 is connected and supported by the turnover mechanism 9, and the bottom plate 1 can rotate through the action of the turnover mechanism 9.
In some possible implementations, to position the hub bearing 10 more accurately, referring to fig. 4, the number of the free-form guides 4 is multiple, and the free-form guides 4 correspond to the grooves 104 of the flange plate 102 one by one.
In this embodiment, the free-form guide member 4 is fixed to the support base 2 by a bolt, the abutting position required by the V-shaped corner block 81 is removed, the free-form guide member 4 corresponds to the groove 104 one by one, and one side of the free-form guide member 4 close to the groove 104 is matched with the side surface of the groove 104, so as to further place, guide and position the hub bearing 10.
The special fixture for processing the hub bearing hole has the specific operation flow that the large-diameter end of a blank of the hub bearing 10 faces downwards, the groove 104 of the flange plate 102 is matched with the profile following guide part 4, the large-diameter end is matched with the central positioning part 3 and is placed on the supporting seat 2, and the end face, close to the large-diameter end, of the flange plate 102 is contacted with the supporting seat 2; manually operating the error-proofing mechanism 7 to ensure that the processing hole 105 corresponds to the through hole 6 on the supporting seat 2; pressing a machine tool clamping instruction, clamping the upper end face of the flange plate 102 by an oil pressure lever cylinder, pressing the groove 104 inwards by an oil pressure pushing cylinder to finish blank clamping, and starting to process a hole on the hub bearing 10; the turnover mechanism 9 is controlled to rotate 180 degrees, and chamfers are processed.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The utility model provides a wheel hub bearing spot facing work special fixture which characterized in that includes:
the bottom plate is fixedly provided with a supporting seat and a central positioning piece positioned in the middle of the supporting seat, the supporting seat is used for supporting one end face of the flange plate, and the central positioning piece is matched and positioned with the inside of the shaft sleeve;
the free-form guide piece is fixedly arranged in the groove of the flange plate and is matched and positioned with the groove of the flange plate;
and the plurality of pressing mechanisms are circumferentially arranged on the outer side of the supporting seat, and the pressing mechanisms downwards press the other end face of the flange plate.
2. The special fixture for machining a hub bearing hole as claimed in claim 1, wherein a plurality of through holes are correspondingly formed in the bottom plate, the support base and the center positioning member, and the through holes correspond to the hub bearing machining hole and the axle sleeve hole.
3. The special fixture for processing the hub bearing hole according to claim 1, wherein the pressing mechanism is an oil pressure lever cylinder, and the oil pressure lever cylinder is fixedly arranged on the bottom plate and presses the end surface of the flange plate close to the small diameter end downwards through a lever end.
4. The special fixture for hub bearing hole machining according to claim 1, wherein an error prevention mechanism is further fixedly disposed on one side of the support base, and an operation end of the error prevention mechanism extends to abut against a quincunx table to ensure circumferential positioning of the hub bearing.
5. The special fixture for hub bearing hole machining according to claim 4, wherein the error proofing mechanism comprises:
the supporting block is fixedly arranged on the bottom plate, and a locking piece penetrates through the supporting block;
the telescopic block is arranged on the supporting block and is abutted against the supporting block in a sliding mode towards the plum blossom bench, and the locking piece is abutted against one side face of the telescopic block.
6. The special fixture for machining a hub bearing hole according to claim 1, wherein a lateral pressing mechanism is further provided on one side of the support base, the lateral pressing mechanism includes a V-shaped corner block that is matched with a groove side of the flange, and the V-shaped corner block is translated to abut against the groove side of the flange.
7. The special fixture for hub bearing hole machining according to claim 1, wherein the base plate is supported and coupled by a tilting mechanism and has rotational freedom.
8. The special fixture for hub bearing hole machining according to claim 1, wherein the number of the conformal guide members is plural, and the conformal guide members correspond to the flange grooves one to one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122793822.8U CN216326665U (en) | 2021-11-15 | 2021-11-15 | Special fixture for machining hub bearing hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122793822.8U CN216326665U (en) | 2021-11-15 | 2021-11-15 | Special fixture for machining hub bearing hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216326665U true CN216326665U (en) | 2022-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122793822.8U Active CN216326665U (en) | 2021-11-15 | 2021-11-15 | Special fixture for machining hub bearing hole |
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| Country | Link |
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| CN (1) | CN216326665U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114769684A (en) * | 2022-05-10 | 2022-07-22 | 嘉兴市智刃机械设备有限公司 | Efficient machining equipment and machining process for high-strength flange |
| CN115609306A (en) * | 2022-09-26 | 2023-01-17 | 山东信德玛珂增压器股份有限公司 | Machining device for stepped ring groove of sliding bearing of supercharger |
-
2021
- 2021-11-15 CN CN202122793822.8U patent/CN216326665U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114769684A (en) * | 2022-05-10 | 2022-07-22 | 嘉兴市智刃机械设备有限公司 | Efficient machining equipment and machining process for high-strength flange |
| CN115609306A (en) * | 2022-09-26 | 2023-01-17 | 山东信德玛珂增压器股份有限公司 | Machining device for stepped ring groove of sliding bearing of supercharger |
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