CN215998751U - Special fixture for machining hub bearing - Google Patents
Special fixture for machining hub bearing Download PDFInfo
- Publication number
- CN215998751U CN215998751U CN202122651736.3U CN202122651736U CN215998751U CN 215998751 U CN215998751 U CN 215998751U CN 202122651736 U CN202122651736 U CN 202122651736U CN 215998751 U CN215998751 U CN 215998751U
- Authority
- CN
- China
- Prior art keywords
- hub bearing
- chuck
- face
- supporting
- special fixture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Jigs For Machine Tools (AREA)
Abstract
The utility model provides a special fixture for hub bearing machining, which belongs to the technical field of automobile accessory machining equipment, and comprises a chuck, a plurality of supporting seats, a guide part and a plurality of clamping jaws; the plurality of supporting seats are circumferentially fixed on the operation end face of the chuck and are used for supporting the end face, close to the small-diameter end, of a flange plate of the hub bearing; the guide piece is fixed in the middle of the operation end face of the chuck and used for placing the small-diameter end of the hub bearing; the plurality of clamping jaws are arranged on the periphery of the working end face of the chuck, and are controlled by a machine tool to move inwards to clamp the side face of the flange plate of the hub bearing. The special fixture for processing the hub bearing provided by the utility model has simple and reliable structure and convenient loading and unloading; the adjustment and positioning are convenient and flexible, and the machined surface cannot be clamped; the operation is simple, and the clamping efficiency is high.
Description
Technical Field
The utility model belongs to the technical field of auto-parts processing equipment, concretely relates to wheel hub bearing processing special fixture.
Background
The main function of the hub bearing is to bear the weight and provide accurate guide for the rotation of the hub, and the hub bearing 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 used for clamping.
When the small-diameter end of a hub bearing is clamped and fixed by the conventional clamp, a plurality of clamping blocks are arranged, and the clamping blocks need to be adjusted for many times, so that the positioning precision and the machining efficiency are influenced.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a wheel hub bearing processing special fixture, the path end that can quick clamping wheel hub bearing, and easy operation has improved machining efficiency.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a wheel hub bearing processing special fixture, includes:
a chuck;
the supporting seats are circumferentially fixed on the operation end face of the chuck and are used for supporting the end face, close to the small-diameter end, of a flange plate of the hub bearing;
the guide piece is fixed in the middle of the working end face of the chuck and used for placing a small-diameter end of the hub bearing;
the clamping jaws are arranged on the circumferential direction of the operation end face of the chuck and are controlled by a machine tool to move inwards to clamp the side face of the flange plate of the hub bearing.
In a possible implementation manner, an arc-shaped clamping piece is fixedly arranged at one end, away from the chuck, of each of the clamping jaws, and an arc-shaped surface matched with the side surface of the hub bearing flange plate is arranged on the inner side of each arc-shaped clamping piece.
In some embodiments, the inner side of the claw is provided with a chamfer to leave a space for placing a plum blossom platform of the hub bearing.
In a possible implementation, every the supporting seat all includes fixed plate and support column fixed connection in proper order, the fixed plate with the operation terminal surface fixed connection of chuck, the support column is kept away from the flange plate terminal surface that the one end of fixed plate is used for supporting the wheel hub bearing.
In some embodiments, the supporting seats are provided with a plurality of positioning blocks at one end contacting with the hub bearing, the diameter of each positioning block is gradually reduced from one side of each supporting seat to one side of the hub bearing, and the positioning blocks are used for supporting a flange of the hub bearing.
In a possible implementation manner, the guide piece comprises a fixed disc and a guide post which are fixedly connected in sequence, the fixed disc is fixed to the middle position of the operation end face of the chuck, and the outer diameter of the guide post is smaller than the inner diameter of the small-diameter end of the hub bearing so as to guide and position the placed hub bearing.
In a possible implementation manner, the working end face of the chuck is further fixedly provided with a flange limiting part, and the flange limiting part is located in a circumferential groove of the flange plate.
In a possible realization, the support seat and/or the jaw contact position with the hub bearing is provided with a tungsten steel sheet.
In the implementation mode, the small-diameter end of the hub bearing is sleeved on the guide piece, one end face of a flange plate of the hub bearing is placed on the plurality of supporting seats and supported by the supporting seats, so that the hub bearing is positioned and the Z-direction support is ensured; after the hub bearing is placed and positioned, the clamping jaws are controlled by the machine tool to move inwards to tighten so as to clamp the hub bearing through the side face of the flange plate clamping the hub bearing.
Compared with the prior art, the special fixture for processing the hub bearing has the advantages of simple and reliable structure and convenient loading and unloading; the adjustment and positioning are convenient and flexible, and the machined surface cannot be clamped; the operation is simple, and the clamping efficiency is high.
Drawings
Fig. 1 is a schematic perspective view of a special fixture for processing a hub bearing provided in an embodiment of the present invention;
fig. 2 is the embodiment of the utility model provides a wheel hub bearing processing special fixture clamping state's spatial structure sketch map.
Description of reference numerals:
1. a hub bearing; 2. a chuck; 3. a guide member; 31. fixing the disc; 32. a guide post; 4. a supporting seat; 41. a fixing plate; 42. a support pillar; 43. positioning blocks; 5. a claw; 51. an arc-shaped clamping piece; 511. an arc-shaped surface; 52. chamfering; 6. and a flange limiting part.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It should be noted that, need include the ring flange, be located the major diameter end and the path end of ring flange both sides through the wheel hub bearing blank of this application processing, enclose between ring flange and the path end and be equipped with the plum blossom platform, a plurality of recesses have been seted up to ring flange angle such as circumference.
Referring to fig. 1 and fig. 2 together, the special fixture for processing a hub bearing according to the present invention will now be described. The special fixture for processing the hub bearing comprises a chuck 2, a plurality of supporting seats 4, a guide piece 3 and a plurality of clamping jaws 5; the supporting seats 4 are circumferentially fixed on the operation end face of the chuck 2 and are used for supporting the end face, close to the small-diameter end, of the flange plate of the hub bearing 1; the guide piece 3 is fixed at the middle position of the operation end surface of the chuck 2, and the guide piece 3 is used for placing the small-diameter end of the hub bearing 1; the plurality of claws 5 are arranged on the periphery of the working end face of the chuck 2, and the plurality of claws 5 are controlled by a machine tool to move inwards to clamp the flange side face of the hub bearing 1.
In the implementation mode, the small-diameter end of the hub bearing 1 is sleeved on the guide part 3, one end face of a flange plate of the hub bearing 1 is placed on the plurality of supporting seats 4 and supported by the supporting seats 4 so as to position the hub bearing 1 and ensure the Z-direction support; after the hub bearing 1 is placed and positioned, the machine tool controls the jaws 5 to move inward to tighten so as to clamp the hub bearing 1 by clamping the flange side of the hub bearing 1.
Compared with the prior art, the special fixture for processing the hub bearing provided by the embodiment has the advantages that the structure is simple and reliable, and the loading and unloading are convenient; the adjustment and positioning are convenient and flexible, and the machined surface cannot be clamped; the operation is simple, and the clamping efficiency is high.
The specific working process of the special fixture for processing the hub bearing comprises the following steps that firstly, the large-diameter end of a blank of the hub bearing 1 is placed upwards, staff grasp the outer edge of the blank to enable one side of the small-diameter end to be placed at the position of the guide part 3, and one side of a flange plate close to the small-diameter end is in contact with the supporting seat 4 to ensure Z-direction support; and then, pressing a machine tool clamping instruction, moving the chuck 2 inwards, and automatically tightening the clamping jaws 5 to enable the clamping jaws to be in contact with the side face of the flange plate, thereby completing blank clamping.
In some embodiments, the pawl 5 may be configured as shown in FIG. 1. Referring to fig. 1 and 2, the end of each of the plurality of claws 5 away from the chuck 2 is provided with an arc-shaped clamping piece 51, and the inner side of the arc-shaped clamping piece 51 is provided with an arc-shaped surface 511 matched with the flange side surface of the hub bearing 1.
In this embodiment, the flange is clamped by the arcuate surfaces 511 to secure the entire hub bearing 1 blank. By arranging the arc-shaped surface 511, the contact area with the side surface of the flange plate is increased, the flange plate is limited and clamped at multiple angles, and the damage to the side surface of the flange plate is reduced.
Specifically, the flange plate is provided with a groove in the peripheral direction, and the arc surface 511 at least spans one groove and is abutted against the side surface of the flange plate.
Specifically, the ring flange lateral surface inclines to the ring flange central line by the minor diameter end, and arcwall face 511 matches with the ring flange lateral surface, by being close to 2 one sides of chuck inwards slopes gradually, under the combined action of the power of 5 erroneous tendency chucks 2 of jack catch and the power of supporting seat 4 and 3 erroneous tendency wheel hub bearings 1 of guide, makes wheel hub bearing 1 fasten more stably to can prevent that wheel hub bearing 1 from deviating from.
In some possible implementations, referring to fig. 1, the jaws 5 are provided with a chamfer 52 on the inside to leave room for the plum blossom table of the hub bearing 1 to rest on.
In this embodiment, the claws 5 are provided with the chamfers 52 to avoid a plum blossom bench between the flange and the small-diameter end, thereby further stabilizing the clamping of the hub bearing 1. The chamfer 52 can reduce the weight of the whole fixture.
In some possible implementations, referring to fig. 1 and fig. 2, each supporting seat 4 includes a fixing plate 41 and a supporting column 42, which are fixedly connected in turn, the fixing plate 41 is fixedly connected to the working end face of the chuck 2, and an end of the supporting column 42 away from the fixing plate 41 is used for supporting the flange end face of the hub bearing 1.
In this embodiment, the fixing plate 41 is fixed on the chuck 2 and has a cross-sectional area larger than that of the supporting column 42, so that the fixing plate 41 can stably support the supporting column 42.
Specifically, the number of the supporting seats 4 is three, the top end of each supporting column 42 is chamfered 52, so that the contact area between the supporting columns and the flange plate is reduced, a plane is determined by three points, the plane is constrained by the three points as far as possible, the problem of inaccurate positioning caused by uneven contact surfaces is solved, and clamping operation of the clamping jaws 5 is facilitated.
Further, referring to fig. 1, the ends of the plurality of supporting seats 4 contacting the hub bearing 1 are provided with positioning blocks 43, the diameters of the positioning blocks 43 are gradually reduced from the supporting seat 4 side to the hub bearing 1 side, and the positioning blocks 43 are used for supporting the flange of the hub bearing 1.
In this embodiment, the area of contact with the bearing is further reduced to the support and the accurate positioning of ring flange are realized, further reduce because of area of contact is too big to the influence of locating surface.
Specifically, the positioning block 43 is frustum-shaped and is located on the side of the top end of the supporting column 42 close to the center.
In some possible implementations, the guide 3 is configured as shown in fig. 1. Referring to fig. 1, the guiding member 3 includes a fixed disk 31 and a guiding post 32 fixedly connected in sequence, the fixed disk 31 is fixed to the middle position of the working end face of the chuck 2, and the outer diameter of the guiding post 32 is smaller than the inner diameter of the small-diameter end of the hub bearing 1, so as to guide and position the placed hub bearing 1.
In this embodiment, the fixing plate 31 is used to fix the chuck 2, and the small-diameter end of the hub bearing 1 is sleeved in the guiding column 32 to assist in guiding the placement of the hub bearing 1; and the inner diameter of the small-diameter end is slightly larger than the outer diameter of the guide post 32, so that the guide post 32 can play a role in positioning the hub bearing 1 after being sleeved.
In some possible implementations, referring to fig. 1 and 2, the working end surface of the chuck 2 is further provided with a flange stopper 6, and the flange stopper 6 is located in a groove in the circumferential direction of the flange.
In this embodiment, the flange limiting member 6 is matched with the groove on the outer peripheral side of the flange plate to play a role in guiding when the hub bearing 1 is placed, and play a role in limiting the rotation of the hub bearing 1.
Specifically, the number of the flange position-limiting members 6 is two, and the flange position-limiting members are both cylindrical and fixed to both sides of the working end face of the chuck 2 respectively, so as to prevent the rotation of the hub bearing 1 during the machining process.
In some possible implementations, the support seat 4 and/or the jaw 5 are provided with a tungsten steel sheet at the contact position with the hub bearing 1.
In this embodiment, the top end of the positioning block 43 and the arc surface 511 are both provided with a tungsten steel sheet. The tungsten steel has a series of excellent performances of high hardness, wear resistance, good strength and toughness, heat resistance, corrosion resistance and the like, and is commonly used for high-precision machining, high-precision cutter materials, lathes, percussion drill bits, glass cutter heads and tile cutters.
Specifically, the top end of the positioning block 43 and the arc surface 511 are in contact with the hub bearing 1 through tungsten steel, so that the hub bearing 1 can be further protected from being damaged by clamping, and the clamp is more durable.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles 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 processing special fixture which characterized in that includes:
a chuck;
the supporting seats are circumferentially fixed on the operation end face of the chuck and are used for supporting the end face, close to the small-diameter end, of a flange plate of the hub bearing;
the guide piece is fixed in the middle of the working end face of the chuck and used for placing a small-diameter end of the hub bearing;
the clamping jaws are arranged on the circumferential direction of the operation end face of the chuck and are controlled by a machine tool to move inwards to clamp the side face of the flange plate of the hub bearing.
2. The special fixture for processing the hub bearing as claimed in claim 1, wherein an arc-shaped clamping member is fixedly arranged at one end of each of the plurality of clamping jaws, which is far away from the chuck, and an arc-shaped surface matched with the side surface of the flange plate of the hub bearing is arranged at the inner side of the arc-shaped clamping member.
3. The special fixture for processing the hub bearing as claimed in claim 2, wherein the claws are provided with chamfers on inner sides thereof to leave a space for placing a plum blossom platform of the hub bearing.
4. The special fixture for processing the hub bearing as claimed in claim 1, wherein each of the supporting bases comprises a fixing plate and a supporting pillar fixedly connected in sequence, the fixing plate is fixedly connected with the working end face of the chuck, and one end of the supporting pillar, which is far away from the fixing plate, is used for supporting the flange end face of the hub bearing.
5. The special fixture for processing the hub bearing according to claim 4, wherein a positioning block is disposed at an end of each of the plurality of supporting seats, which is in contact with the hub bearing, and the diameter of the positioning block is gradually reduced from one side of the supporting seat to one side of the hub bearing, and the positioning block is used for supporting a flange of the hub bearing.
6. The special fixture for processing the hub bearing as claimed in claim 1, wherein the guiding member comprises a fixed disk and a guiding post which are fixedly connected in sequence, the fixed disk is fixed with the middle position of the working end surface of the chuck, and the outer diameter of the guiding post is smaller than the inner diameter of the small-diameter end of the hub bearing so as to guide and position the placed hub bearing.
7. The special fixture for processing the hub bearing according to claim 1, wherein a flange stop is further fixedly arranged on the working end surface of the chuck, and the flange stop is located in a groove in the circumferential direction of the flange plate.
8. The special fixture for processing the hub bearing according to claim 1, wherein the tungsten steel sheet is arranged at a position where the supporting seat and/or the clamping jaw contact with the hub bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122651736.3U CN215998751U (en) | 2021-11-01 | 2021-11-01 | Special fixture for machining hub bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122651736.3U CN215998751U (en) | 2021-11-01 | 2021-11-01 | Special fixture for machining hub bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215998751U true CN215998751U (en) | 2022-03-11 |
Family
ID=80524812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122651736.3U Active CN215998751U (en) | 2021-11-01 | 2021-11-01 | Special fixture for machining hub bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215998751U (en) |
-
2021
- 2021-11-01 CN CN202122651736.3U patent/CN215998751U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209902678U (en) | Auxiliary supporting device for processing cylindrical thin-wall parts | |
| JP3142629U (en) | Lathe work holding jig | |
| CN213410378U (en) | Clamp for processing annular workpiece | |
| CN209867406U (en) | Jack catch and machine tool | |
| CN215998751U (en) | Special fixture for machining hub bearing | |
| EP1522379B1 (en) | Jig plate for a workpiece to be machined | |
| CN216066145U (en) | Turnover welding tool fixture | |
| CN215998754U (en) | Special fixture for machining hub bearing | |
| CN112207307B (en) | Clamping device for turning and milling combined machining of gear box gear shifting hub and combined machine tool | |
| CN213257440U (en) | Polygonal inner hole broaching equipment | |
| CN214601997U (en) | A anchor clamps frock for processing thin wall ring part | |
| CN212704547U (en) | Cage pocket hole processingequipment | |
| CN213033933U (en) | Lathe fixture with high centering precision | |
| CN219924592U (en) | Claw repairing device of three-jaw chuck | |
| JP4806472B1 (en) | Chuck device | |
| CN217832718U (en) | Powder metallurgy VVT rotor special fixture | |
| CN220372705U (en) | Turning clamp for large-diameter lengthened cooling jacket | |
| CN205703419U (en) | Combination type slice work-piece vehicle clamper | |
| CN218592372U (en) | Spring chuck | |
| CN216576727U (en) | Arc positioning tool for clamping workpiece by chuck | |
| CN210254317U (en) | Adjustable jack catch and self-centering chuck provided with same | |
| CN210359319U (en) | Clamp mechanism of motor end cover | |
| CN220679395U (en) | Vacuum adsorption fixture based on lathe is used | |
| CN203900917U (en) | Fixture for machining double flanges of aluminum alloy shell on lathe | |
| CN215090769U (en) | Clamp for rotary body |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |