CN219310137U - A self-correcting positioner for processing of wheel hub PCD hole - Google Patents
A self-correcting positioner for processing of wheel hub PCD hole Download PDFInfo
- Publication number
- CN219310137U CN219310137U CN202223407456.9U CN202223407456U CN219310137U CN 219310137 U CN219310137 U CN 219310137U CN 202223407456 U CN202223407456 U CN 202223407456U CN 219310137 U CN219310137 U CN 219310137U
- Authority
- CN
- China
- Prior art keywords
- positioning
- base
- core
- self
- correcting
- 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
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The utility model relates to a self-correcting positioning device for machining a PCD hole of a hub. The utility model comprises a base, wherein the base is used for supporting a hub to be processed; the pressing claw assembly is arranged on the base and comprises a pressing claw and a driving piece; the positioning assembly is arranged on the base and comprises a positioning core seat connected to the base, an inner floating core seat is arranged in an inner cavity of the positioning core seat in a clearance fit mode, a core rod sleeved with a spring and an inner floating core movably connected to the inner cavity of the positioning core seat through the spring are arranged in the inner cavity of the inner floating core seat, the positioning core seat is connected with a locking piece, the inner floating core is provided with a floating groove, the outer side wall of the inner floating core seat is provided with a sliding groove and a limiting rod, the top end of the inner floating core is connected with a central positioning core, and conical positioning tables are respectively extended at the two axial ends of the central positioning core. The utility model can flexibly adjust, is suitable for hub products with different specifications, has simple and convenient operation, high efficiency and strong universality, is suitable for batch production and meets the personalized requirements.
Description
Technical Field
The utility model relates to the technical field of hub machining, in particular to a self-correcting positioning device for machining PCD holes of hubs.
Background
The aluminum alloy hub is a core part of an aluminum chassis of an automobile, the automobile runs mainly through wheel movement, the connection transmission of the wheels usually plays a role in reference through clearance fit between spindle heads with different sizes of connecting discs and central holes of the hub, and then PCD holes with different pitch circles and pore diameters are selected for locking by bolts. The corresponding aperture and the position degree of the product are required to be relatively high, the conventional production process generally adopts a straight barrel type mandrel positioning tool structure, and long time is required for debugging every product replacement.
Disclosure of Invention
In order to solve the technical problems, the utility model provides the self-correcting positioning device for machining the PCD holes of the hubs, which can be flexibly adjusted, is suitable for hub products with different specifications, and has the advantages of simple operation, high efficiency and strong universality.
In order to solve the technical problems, the utility model provides a self-correcting positioning device for machining a PCD hole of a hub, which comprises:
the base is used for supporting the hub to be processed;
the pressing claw assembly is arranged on the base and comprises at least one pressing claw and a driving piece, and the driving piece drives the pressing claw to be pressed on the inner rim of the hub to be processed;
the positioning component is arranged on the base and positioned at the lower side of the hub to be processed, the positioning component comprises a positioning core seat connected with the base, an inner floating core seat is in clearance fit with the inner cavity of the positioning core seat, a core rod sleeved with a spring and an inner floating core movably connected with the inner cavity of the positioning core seat through the spring are arranged in the inner cavity of the inner floating core seat, the outer side wall of the positioning core seat is connected with a locking piece, the side wall of the inner floating core seat is provided with a floating groove, the outer side wall of the inner floating core seat is respectively provided with a sliding groove matched and locked with the locking piece and a limiting rod matched with the floating groove,
the top end of the inner floating core is connected with a central positioning core, and conical positioning tables for being inserted and matched with a central hole of a hub to be processed are respectively extended along the two axial ends of the central positioning core.
In one embodiment of the present utility model, the tapered positioning stage includes a first tapered positioning stage and a second tapered positioning stage, each of which is provided with an inner hole and forms a connection pad.
In one embodiment of the present utility model, the diameter of the lower end of the first conical positioning table is 5mm greater than the diameter of the lower end, the diameter of the upper end of the second conical positioning table is 5mm greater than the diameter of the lower end, and the lower end of the first conical positioning table and the upper end of the second conical positioning table are located on the same plane and are different by 5mm.
In one embodiment of the utility model, the center of the connecting disc is provided with a positioning bolt connected with the inner floating core; or the connecting disc is provided with four positioning bolts which are uniformly distributed circumferentially by taking the center of the connecting disc as the center of the circle and are connected with the inner floating core.
In one embodiment of the utility model, the driving piece comprises an oil cylinder, the pressing claw is a hydraulic pressing claw, the pressing claw is provided with an arc chute, the oil cylinder is connected with one end of a telescopic shaft, and the other end of the telescopic shaft is connected with a sliding rod movably connected in the arc chute.
In one embodiment of the present utility model, the number of the pressing claws is two, and the two pressing claws are located at both ends in the diameter direction of a circle centered on a central shaft supporting the hub to be machined.
In one embodiment of the utility model, the pressing jaw is connected with an inserted protective jaw skin, and the protective jaw skin is contacted with the upper end of the inner rim when the pressing jaw is pressed.
In one embodiment of the utility model, the upper end of the base is also provided with a sliding table guide rail which is in sliding connection with a reference cushion block supported at the lower end of the inner rim, the reference cushion block is of an L-shaped structure, the side surface of the sliding table guide rail is provided with scales for indicating the position of the reference cushion block, and the reference cushion block is connected with a locking screw.
In one embodiment of the utility model, the base includes a lower base plate, an upper base plate, and a post connected between the lower base plate and the upper base plate.
In one embodiment of the utility model, the upper reference plate is provided with a positioning base hole, a positioning locking table extends from the side end of the positioning core seat, and the bottom end of the positioning core seat extends into the positioning base hole and is connected to the upper reference plate through the positioning locking table.
Compared with the prior art, the technical scheme of the utility model has the following advantages:
according to the self-correcting positioning device for machining the PCD holes of the hubs, the double-cone positioning table is arranged, so that the self-correcting positioning device can be matched with hub central holes of different specifications better, the sliding groove is arranged on the inner floating core seat and matched with the locking piece, the self-correcting positioning device can be suitable for hub products of different heights, the inner floating core is arranged, the central positioning core can generate certain floating, and the matching degree of the central positioning core and the hub central holes to be machined is further improved. The utility model can flexibly adjust, is suitable for hub products with different specifications, has simple and convenient operation, high efficiency and strong universality, is suitable for batch production and meets the personalized requirements.
Drawings
In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings.
FIG. 1 is a schematic diagram of the overall structure of the self-correcting positioning device for machining a PCD hole of a hub.
Fig. 2 is a schematic illustration of the main sectional structure of the centrally located core of the present utility model.
FIG. 3 is a schematic top view of the centrally located core of the present utility model.
Description of the specification reference numerals: 100. a hub to be processed; 110. an inner rim; 120. a central bore; 1. a base; 11. a slipway guide rail; 12. a reference cushion block; 13. a scale; 14. a lower base plate; 15. an upper reference plate; 151. positioning the base hole; 16. a column; 2. a press jaw assembly; 21. a pressing claw; 211. an arc chute; 22. a driving member; 23. a slide bar; 24. a protective claw cover; 25. a locking screw; 3. a positioning assembly; 31. positioning a core seat; 311. positioning a locking table; 32. an inner floating core print; 321. a chute; 33. a spring; 34. a mandrel bar; 35. an inner floating core; 351. a floating tank; 36. a locking member; 37. a limit rod; 38. a center positioning core; 381. a conical positioning table; 381a, a first cone-shaped positioning table; 381b, a second conical positioning stage; 382. an inner bore; 383. a connecting disc; 384. and positioning bolts.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.
Referring to fig. 1 to 3, a self-correcting positioning device for machining a PCD hole of a hub according to the present utility model includes:
a base 1, wherein the base 1 is used for supporting a hub 100 to be processed;
a pressing jaw assembly 2, which is arranged on the base 1, wherein the pressing jaw assembly 2 comprises at least one pressing jaw 21 and a driving piece 22, and the pressing jaw 21 can be pressed against an inner rim 110 of the hub 100 to be processed through the driving piece 22;
the positioning assembly 3 is arranged on the base 1 and is positioned at the lower side of the hub 100 to be processed, the positioning assembly 3 comprises a positioning core seat 31 connected to the base 1, an inner floating core seat 32 is in clearance fit with an inner cavity of the positioning core seat 31, a core rod 34 sleeved with a spring 33 and an inner floating core 35 movably connected to the inner cavity of the positioning core seat 31 through the spring 33 are arranged in the inner cavity of the inner floating core seat 32, a locking piece 36 is connected to the outer side wall of the positioning core seat 31, a floating groove 351 is arranged on the side wall of the inner floating core 35, and a sliding groove 321 matched and locked with the locking piece 36 and a limiting rod 37 matched with the floating groove 351 are respectively arranged on the outer side wall of the inner floating core seat 32;
the top end of the inner floating core 35 is connected with a central positioning core 38, and conical positioning tables 381 for being inserted and matched with the central hole 120 of the hub 100 to be processed are respectively extended along the two axial ends of the central positioning core 38.
Through setting up have bipyramid formula positioning table 381, can cooperate with the wheel hub centre bore 120 of different specifications better, set up spout 321 on the interior floating core print seat 32 and cooperate with retaining member 36 can be applicable to the wheel hub product of different co-altitude, can make central location core 38 produce certain floating through setting up interior floating core 35, further improve central location core 38 and wait to process the degree of cooperation of wheel hub 100 centre bore 120. In this embodiment, locking member 36 is a countersunk head positioning bolt 384.
Specifically, the conical positioning table 381 includes a first conical positioning table 381a and a second conical positioning table 381b, and the first conical positioning table 381a and the second conical positioning table 381b are respectively provided with an inner hole 382 and form a connection disc 383.
Specifically, as shown in fig. 2, the diameter of the lower end of the first conical positioning table 381a is 5mm larger than the diameter of the lower end, the diameter of the upper end of the second conical positioning table 381b is 5mm larger than the diameter of the lower end, and the lower ends of the first conical positioning table 381a and the second conical positioning table 381b are located on the same plane and are different by 5mm.
Specifically, the center of the connecting disc 383 is provided with a positioning bolt 384 connected with the inner floating core 35; or, the connecting disc 383 is provided with four positioning bolts 384 which are uniformly distributed circumferentially around the center of the connecting disc 383 and are connected with the inner floating core 35.
Specifically, the driving member 22 includes an oil cylinder, the pressing claw 21 is a hydraulic pressing claw 21, the pressing claw 21 is provided with an arc-shaped chute 211, the oil cylinder is connected with one end of a telescopic shaft, and the other end of the telescopic shaft is connected with a sliding rod 23 movably connected in the arc-shaped chute 211. In this embodiment, the number of the pressing claws 21 is two, and the two pressing claws 21 are located at both ends in the diameter direction of a circle centered on the center axis supporting the hub 100 to be machined. The two hydraulic pressure claws 21 have synchronous push-pull rollover functions.
Specifically, the pressing claw 21 is connected with an inserted protective claw cover 24, and the protective claw cover 24 is contacted with the upper end of the inner rim 110 when the pressing claw 21 is pressed.
Specifically, the upper end of the base 1 is also provided with a sliding table guide rail 11, the sliding table guide rail 11 is slidably connected with a reference cushion block 12 supported at the lower end of the inner rim 110, the reference cushion block 12 is of an L-shaped structure, and the middle of the reference cushion block is of a clearance structure, so that the replacement is convenient; the side of the sliding table guide rail 11 is provided with a scale 13 for indicating the position of the reference cushion block 12, the size of the reference cushion block 12 in the circumferential direction is convenient to adjust, and the reference cushion block 12 is connected with a locking screw 25.
Specifically, the base 1 includes a lower base plate 14, an upper base plate 15, and a column 16 connected between the lower base plate 14 and the upper base plate 15.
Specifically, the upper reference plate 15 is provided with a positioning base hole 151, a positioning locking table 311 extends from a side end of the positioning core seat 31, and a bottom end of the positioning core seat 31 extends into the positioning base hole 151 and is connected to the upper reference plate 15 through the positioning locking table 311.
When the utility model is used, firstly, the locking screw 25 is loosened, the standard cushion block 12 is adjusted to the required specification according to the scale 13 on the sliding table guide rail 11, the locking screw 25 is locked, the hub central hole 120 is jointed with the conical positioning table 381 of the central positioning core 38 shaft, the hydraulic pressure is given, the oil cylinder drives the pressing claw 21 to move, so that the pressing claw 21 presses the inner rim 110 of the hub 100 to be processed on the standard cushion block 12, and the drilling processing can be carried out.
Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same, and although the present utility model has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications and equivalents may be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model, and all such modifications and equivalents are intended to be encompassed in the scope of the claims of the present utility model.
Claims (10)
1. A self-correcting positioner for processing of wheel hub PCD hole, characterized by comprising:
a base (1), the base (1) being for supporting a hub (100) to be machined;
the pressing claw assembly (2) is arranged on the base (1), the pressing claw assembly (2) comprises at least one pressing claw (21) and a driving piece (22), and the pressing claw (21) can be pressed on the inner rim (110) of the hub (100) to be processed through driving of the driving piece (22);
the positioning assembly (3) is arranged on the base (1) and is positioned at the lower side of the hub (100) to be processed, the positioning assembly (3) comprises a positioning core seat (31) connected to the base (1), an inner cavity of the positioning core seat (31) is in clearance fit with an inner floating core seat (32), a core rod (34) sleeved with a spring (33) and an inner floating core (35) movably connected to the inner cavity of the positioning core seat (31) through the spring (33) are arranged in the inner cavity of the inner floating core seat (32), a locking piece (36) is connected to the outer side wall of the positioning core seat (31), a floating groove (351) is formed in the side wall of the inner floating core seat (35), and a sliding groove (321) matched and locked with the locking piece (36) and a limiting rod (37) matched with the floating groove (351) are respectively arranged on the outer side wall of the inner floating core seat (32).
The top end of the inner floating core (35) is connected with a central positioning core (38), and conical positioning tables (381) used for being inserted and matched with a central hole (120) of the hub (100) to be processed are respectively extended along the two axial ends of the central positioning core (38).
2. A self-correcting locating device for machining a PCD hole of a hub according to claim 1, wherein the tapered locating table (381) comprises a first tapered locating table (381 a) and a second tapered locating table (381 b), the first tapered locating table (381 a) and the second tapered locating table (381 b) being provided with an inner bore (382) and forming a connecting disc (383), respectively.
3. A self-correcting locating device for machining a PCD hole of a wheel hub according to claim 2, wherein the diameter of the lower end of the first conical locating table (381 a) is 5mm larger than the diameter of the lower end, the diameter of the upper end of the second conical locating table (381 b) is 5mm larger than the diameter of the lower end, and the lower ends of the first conical locating table (381 a) and the second conical locating table (381 b) are located on the same plane and are different by 5mm.
4. A self-correcting positioning device for machining a PCD hole of a wheel hub according to claim 2, wherein the center of the connecting disc (383) is provided with a positioning bolt (384) connected with the inner floating core (35); or the connecting disc (383) is provided with four positioning bolts (384) which are uniformly distributed circumferentially by taking the center of the connecting disc as the center of the circle and are connected with the inner floating core (35).
5. The self-correcting positioning device for machining of a PCD hole of a wheel hub according to claim 1, wherein the driving piece (22) comprises an oil cylinder, the pressing claw (21) is a hydraulic pressing claw (21), the pressing claw (21) is provided with an arc-shaped chute (211), the oil cylinder is connected with one end of a telescopic shaft, and the other end of the telescopic shaft is connected with a sliding rod (23) movably connected in the arc-shaped chute (211).
6. A self-correcting positioning device for machining a PCD hole of a wheel hub according to claim 1, wherein the number of the pressing claws (21) is two, and the two pressing claws (21) are located at both ends in the diameter direction of a circle centered on a central axis supporting the wheel hub (100) to be machined.
7. A self-correcting positioning device for machining a PCD hole of a wheel hub according to claim 1, wherein the pressing jaw (21) is connected with a plug-in protective jaw skin (24), and the protective jaw skin (24) is contacted with the upper end of the inner rim (110) when the pressing jaw (21) is pressed.
8. The self-correcting positioning device for machining of wheel hub PCD holes according to claim 1, characterized in that a sliding table guide rail (11) is further arranged at the upper end of the base (1), the sliding table guide rail (11) is slidably connected with a reference cushion block (12) supported at the lower end of the inner rim (110), the reference cushion block (12) is of an L-shaped structure, scales (13) for indicating the positions of the reference cushion block (12) are arranged on the side face of the sliding table guide rail (11), and the reference cushion block (12) is connected with locking screws (25).
9. A self-correcting locating device for hub PCD hole machining according to claim 1, wherein the base (1) comprises a lower base plate (14), an upper base plate (15) and a stud (16) connected between the lower base plate (14) and the upper base plate (15).
10. A self-correcting positioning device for machining a PCD hole of a wheel hub according to claim 9, wherein the upper reference plate (15) is provided with a positioning base hole (151), the side end of the positioning core holder (31) is extended with a positioning locking table (311), and the bottom end of the positioning core holder (31) extends into the positioning base hole (151) and is connected to the upper reference plate (15) through the positioning locking table (311).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223407456.9U CN219310137U (en) | 2022-12-19 | 2022-12-19 | A self-correcting positioner for processing of wheel hub PCD hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223407456.9U CN219310137U (en) | 2022-12-19 | 2022-12-19 | A self-correcting positioner for processing of wheel hub PCD hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219310137U true CN219310137U (en) | 2023-07-07 |
Family
ID=87027617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223407456.9U Active CN219310137U (en) | 2022-12-19 | 2022-12-19 | A self-correcting positioner for processing of wheel hub PCD hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219310137U (en) |
-
2022
- 2022-12-19 CN CN202223407456.9U patent/CN219310137U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104275495B (en) | Machining system and machining method of automobile differential shell | |
| CN108655774B (en) | Working method of machining tool table for airplane titanium alloy parts | |
| CN101774030A (en) | Processing method of superfine shaft | |
| CN105710685A (en) | Clamp for engine shell gear shaping process | |
| CN219310137U (en) | A self-correcting positioner for processing of wheel hub PCD hole | |
| CN204700390U (en) | The numerical control gear-hobbing clamp of gear shaft | |
| CN202021351U (en) | Large conic boring fixture | |
| CN201573073U (en) | Tooling used for processing pressure storage cylinder | |
| CN110625201A (en) | Shaft gear shaping clamp | |
| CN209363674U (en) | Multi-drill bit Special drilling jig | |
| CN214558964U (en) | Concentric positioning device for drilling of rotary table of tablet press | |
| CN104589092A (en) | Self-centering device for central drill hole of shaft knuckle | |
| CN113798885A (en) | Shell clamp structure and vertical machining center | |
| CN209223631U (en) | The fixture of vehicle bridge cross axle | |
| CN202070920U (en) | Special machine tool for roughly boring piston | |
| CN210703677U (en) | High accuracy casing milling's quick positioning clamping device that reloads of modularization | |
| CN102989855A (en) | Flange manufacture tool | |
| CN208592594U (en) | One kind can self-centering pneumatic rotary workbench | |
| CN202114296U (en) | Hole boring device utilizing turning for replacing boring | |
| CN220920556U (en) | Flanging device for drill rod production | |
| CN111515774A (en) | Special clamp for cylindrical grinding machine | |
| CN104785653A (en) | Automatic adjustment type auxiliary supporting mechanism for tool die | |
| CN110000579A (en) | A kind of the centrifugal impeller batch numerical control Special Fixture for Machining and installation method of center non through hole | |
| CN110561142A (en) | automatic centering and clamping mechanism for workbench | |
| CN219130469U (en) | Upper and lower bidirectional rotary rim forming device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |