CN107052835B - Automobile hub primary cutting clamp - Google Patents
Automobile hub primary cutting clamp Download PDFInfo
- Publication number
- CN107052835B CN107052835B CN201710408097.3A CN201710408097A CN107052835B CN 107052835 B CN107052835 B CN 107052835B CN 201710408097 A CN201710408097 A CN 201710408097A CN 107052835 B CN107052835 B CN 107052835B
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- frame
- hub
- mounting frame
- inner supporting
- bearing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
A primary cutting clamp for an automobile hub relates to the field of clamps and comprises a clamp body, a center positioning mechanism and an inner supporting type clamping mechanism, wherein the center positioning mechanism and the inner supporting type clamping mechanism are arranged on the clamp body. The hub center positioning mechanism can ensure that the hub positioning is more accurate and reliable, and can automatically correct the phenomenon of wheel deviation. The force of the internal supporting type clamping mechanism for clamping the hub is the force of the external supporting type hub and the force of the internal supporting type clamping mechanism for pulling the hub downwards, so that the internal supporting claw can realize the hubs of different wheels through dense tooth adjustment, the one-time processing of the outer parts (including rims, spokes, rims and the like) of all the hubs can be realized, the one-time processing and forming are realized, and the accuracy and the dynamic balance of the hub are greatly improved.
Description
Technical Field
The invention relates to the field of clamps, in particular to a primary cutting clamp for an automobile hub.
Background
The wheel hub is also called a rim and a steel ring, and is a cylindrical metal part with the center arranged on a shaft, and the inner contour of the tyre supports the tyre. At present, the hub clamp is complex, high in cost and unchanged in disassembly.
The scheme of Chinese patent CN2011204134384 discloses an automatic clamp capable of lifting a cylindrical electrode, which comprises a guide frame capable of going deep into a burn pot, wherein a fixed support is fixedly connected to the guide frame, the fixed support is hinged to a left clamp arm and a right clamp arm through a hinge shaft a and a hinge shaft b, a stay bar is hinged to the left clamp arm and the right clamp arm through a hinge shaft c and a hinge shaft d, a connecting rod a and a connecting rod b are hinged to the right clamp arm through a hinge shaft e, the connecting rod c and the connecting rod d are hinged to the left clamp arm through a hinge shaft f, a pull rod a and a pull rod b are hinged to the connecting rod a, the connecting rod b, a hinge shaft h is arranged between the connecting rod a and the connecting rod b, a locking shaft is arranged between the connecting rod c and the connecting rod d, a manual lock is connected to the hinge shaft h, a locking groove capable of being jointed with the locking shaft and capable of locking the clamp is formed in a single function, the whole flexible performance is poor, and equipment is complex.
Disclosure of Invention
Aiming at the problems of complex equipment, high cost, troublesome disassembly and low efficiency of the existing hub clamp, the invention provides an automobile hub primary cutting clamp which can avoid the problems.
The technical scheme adopted for solving the technical problems is as follows:
a cutting fixture for automobile hubs comprises a fixture body, a center positioning mechanism and an inner supporting type clamping mechanism, wherein the center positioning mechanism and the inner supporting type clamping mechanism are arranged on the fixture body.
Further, the center positioning mechanism comprises an upper pressing head, a small pull rod, an expansion sleeve, a cone frame and a limiting installation frame, wherein a bearing installation frame is arranged on a middle fixing frame of the clamp body, the limiting installation frame is connected with the bearing installation frame, the cone frame is installed in the limiting installation frame, the small pull rod is in sliding fit with the cone frame, the upper end of the small pull rod is provided with the upper pressing head, the expansion sleeve is placed on a conical slope at the upper end of the cone frame, the upper pressing head is clamped above the expansion sleeve, a certain gap is formed between the upper pressing head and the upper end of the cone frame, and a certain gap is formed between the expansion sleeve and the lower end of the conical slope of the cone frame.
Further, interior propping formula clamping mechanism includes interior propping claw, joint bearing, goes up fixed plate, bearing mounting bracket, arm-tie and guide arm, is provided with on the bearing mounting bracket and goes up the fixed plate, upward is equipped with joint bearing in the fixed plate, is provided with the arm-tie at joint bearing's lower extreme, and the arm-tie reciprocates along the bearing mounting bracket, and the arm-tie still is connected with the guide arm, and the guide arm is fixed on the bottom plate, and joint bearing upper end is provided with interior propping claw.
Further, the fixture body comprises a bottom plate, a middle fixing frame, a lower mounting block and a guide sleeve, wherein the middle fixing frame and the lower mounting block are mounted on the bottom plate, the guide sleeve is mounted on the lower mounting block, a blind rivet is slidably matched in the lower mounting block, the blind rivet moves up and down along a middle through hole of the lower mounting block, the guide sleeve is slidably matched with a connecting sleeve, a limit ring is arranged in the connecting sleeve, and the blind rivet is connected with a small pull rod of a center positioning mechanism.
Further, a plurality of dense teeth are arranged on the inner supporting claw.
Further, an upper mounting frame is connected to the limiting mounting frame, and a plurality of outer claws are arranged on the upper mounting frame.
The beneficial effects of the invention are as follows:
1. the hub center positioning mechanism can ensure that the hub positioning is more accurate and reliable, and can automatically correct the phenomenon of wheel deviation.
2. The force of the inner supporting type clamping mechanism for clamping the hub is the force of the outer supporting type hub and the force of the lower pulling type hub, so that the inner supporting claw can adjust the hubs of different wheels through the dense teeth, and the clamping torque is larger.
3. The internal bracing type clamping mechanism can realize the lower support of different wheel type hubs by adjusting the positions, and the corresponding tensioning mechanism is replaced without replacing the wheel type, so that the complexity of fittings and replacement is reduced.
4. The one-time processing and forming of all the outer parts (including rims, spokes, rims and the like) of the hub can be realized, and the accuracy and dynamic balance of the hub are greatly improved.
Drawings
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is a schematic view of the structure of a knuckle bearing;
FIG. 3 is a schematic view of the structure of the expansion shell;
FIG. 4 is a schematic structural view of a limiting mount;
FIG. 5 is a schematic view of the structure of the cone frame;
FIG. 6 is a schematic view of the structure of the small tie rod;
fig. 7 is a partial enlarged view at a in fig. 1.
In the figure: 1 a clamp body, 11 a bottom plate, 12 a middle fixing frame, 13 a lower mounting block, 14 a guide sleeve, 15 an outer claw and 16 an upper mounting frame,
2 a center positioning mechanism, 21 an upper pressing head, 22 a small pull rod, 23 an expansion sleeve, 24 a cone frame, 25 a limiting mounting frame and 26 pull nails,
31 inner supporting claws, 32 knuckle bearings, 33 upper fixed plates, 34 bearing mounting frames, 35 pull plates, 36 guide rods and 37 connecting sleeves.
Detailed Description
The automobile hub one-step cutting fixture comprises a fixture body 1, a center positioning mechanism 2 and an internal supporting type clamping mechanism. The center positioning mechanism drives the whole hub to downwards displace by about 2mm after the hub is positioned on the clamp body and the rim surface is tightly attached to the clamp body; the inner supporting type clamping mechanism supports the inner wall of the wheel well, the lifting mechanism integrally ascends to support the inner rim, and the whole hub clamping is completed and can be processed.
The invention is further analyzed in connection with the following figures.
As shown in fig. 1 to 7, the fixture body 1 includes a bottom plate 11, a middle fixing frame 12, a lower mounting block 13 and a guiding sleeve 14, the bottom plate 11 is provided with the middle fixing frame 12 and the lower mounting block 13, the lower mounting block 13 is provided with the guiding sleeve 14, the lower mounting block 13 is slidably fitted with a blind rivet 26, the blind rivet can move up and down along a middle through hole of the lower mounting block 13, the guiding sleeve 14 is slidably fitted with a connecting sleeve 37, a limit ring is arranged in the connecting sleeve 37, and the blind rivet can drive the connecting sleeve to move downwards for a certain distance by means of the design of the limit ring.
The blind rivet is connected with a small pull rod 22 of the center positioning mechanism 2.
The center positioning mechanism comprises an upper pressing head 21, a small pull rod 22, an expansion sleeve 23, a cone frame 24 and a limiting installation frame 25, wherein a bearing installation frame 34 is arranged on the middle fixing frame 12, the limiting installation frame 34 is connected with a cone frame, the cone frame is installed in the limiting installation frame, the small pull rod is in sliding fit in the cone frame, the upper end of the small pull rod is provided with the upper pressing head 21, the expansion sleeve is placed on a conical slope at the upper end of the cone frame 24, the upper pressing head is clamped above the expansion sleeve, a certain gap M is formed between the upper pressing head and the upper end of the cone frame, and a certain gap N is formed between the expansion sleeve and the lower end of the conical slope of the cone frame. Thus when the blind rivet pulls the small pull rod. The small pull rod pulls the upper pressure head, the upper pressure head extrudes the expansion sleeve, and the expansion sleeve deforms, so that the small pull rod and the hub center Kong Tieshi are positioned to finish the hub positioning.
The center positioning mechanism is peripherally provided with a plurality of groups of internal stay type clamping mechanisms, each internal stay type clamping mechanism comprises an internal stay claw 31, a joint bearing 32, an upper fixed plate 33, a bearing mounting frame 34, a pull plate 35 and a guide rod 36, the upper fixed plates are arranged on the bearing mounting frames 34, the joint bearing is arranged in the upper fixed plates, the joint bearing can swing back and forth and right and left under the limit of the upper fixed plates, the pull plate 35 is arranged at the lower end of the joint bearing, the pull plate moves up and down along the bearing mounting frames, the guide rod is further connected with the guide rod, the guide rod is fixed on the bottom plate 11, the pull plate moves up and down along the guide rail and the bearing mounting frames, so that the joint bearing is driven to swing left and right, the inner stay claw is arranged at the upper end of the joint bearing, and the internal stay claw swings left and right, so that the inner wall of the hub is clamped.
An optimal design is provided with a plurality of dense teeth on the inner supporting claw for matching with different hubs.
In order to enhance the fixing effect, an upper mounting frame 16 is connected to the limiting mounting frame, and a plurality of outer claws 15 are arranged on the upper mounting frame.
Working principle: the hub is arranged on the clamp, the pull nails move downwards to drive the small pull rods, the expansion sleeves and the pull plates connected with the pull nails to move downwards together, radial deformation can be generated in the downward movement process of the expansion sleeves, the deformed expansion sleeves and the hub center Kong Tieshi are positioned, the positioning of the hub is completed, after the positioning of the central hole expansion sleeves, the pull nails continue to drive the pull plates to move downwards by 2mm, the linear movement of the pull plates is converted into left-right deflection of the inner supporting claws through the joint bearings, the inner wall of the hub is finally supported, the clamping of the hub is completed, and workpiece processing can be performed.
Other than the technical features described in the specification, all are known to those skilled in the art.
Claims (3)
1. A cutting fixture for an automobile hub is characterized by comprising a fixture body, a center positioning mechanism and an inner supporting type clamping mechanism, wherein the center positioning mechanism and the inner supporting type clamping mechanism are arranged on the fixture body;
the center positioning mechanism comprises an upper pressing head, a small pull rod, an expansion sleeve, a cone frame and a limiting mounting frame, wherein a bearing mounting frame is arranged on a middle fixing frame of the clamp body, the bearing mounting frame is connected with the limiting mounting frame, the cone frame is arranged in the limiting mounting frame, the small pull rod is in sliding fit in the cone frame, the upper end of the small pull rod is provided with the upper pressing head, the expansion sleeve is placed on a conical slope at the upper end of the cone frame, the upper pressing head is clamped above the expansion sleeve, a certain gap is formed between the upper pressing head and the upper end of the cone frame, and a certain gap is formed between the expansion sleeve and the lower end of the conical slope of the cone frame;
the inner supporting type clamping mechanism comprises an inner supporting claw, a joint bearing, an upper fixed plate, a bearing mounting frame, a pulling plate and a guide rod, wherein the upper fixed plate is arranged on the bearing mounting frame, the joint bearing is arranged in the upper fixed plate, the pulling plate is arranged at the lower end of the joint bearing and moves up and down along the bearing mounting frame, the guide rod is further connected with the pulling plate, the guide rod is fixed on a bottom plate, and the inner supporting claw is arranged at the upper end of the joint bearing;
the fixture body comprises a bottom plate, a middle fixing frame, a lower mounting block and a guide sleeve, wherein the middle fixing frame and the lower mounting block are mounted on the bottom plate, the guide sleeve is mounted on the lower mounting block, a blind rivet is slidably matched in the lower mounting block, the blind rivet moves up and down along a middle through hole of the lower mounting block, the guide sleeve is slidably matched with a connecting sleeve, a limit ring is arranged in the connecting sleeve, and the blind rivet is connected with a small pull rod of a center positioning mechanism; the joint bearing comprises a first part matched with the inner supporting claw, a second part arranged on the lower side of the first part and engaged in the upper fixed plate, and a third part arranged on the lower side of the second part and matched with the pulling plate, wherein the third part extends downwards obliquely from the lower side of the second part, the pulling nail can drive the pulling plate to move up and down, and the linear motion of the pulling plate is converted into the left-right swing of the inner supporting claw through the third part of the joint bearing.
2. The automobile hub primary cutting fixture of claim 1, wherein the inner support claw is provided with a plurality of dense teeth.
3. The automobile hub primary cutting fixture of claim 1, wherein the limiting mounting frame is connected with an upper mounting frame, and a plurality of outer claws are arranged on the upper mounting frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710408097.3A CN107052835B (en) | 2017-06-02 | 2017-06-02 | Automobile hub primary cutting clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710408097.3A CN107052835B (en) | 2017-06-02 | 2017-06-02 | Automobile hub primary cutting clamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107052835A CN107052835A (en) | 2017-08-18 |
| CN107052835B true CN107052835B (en) | 2023-10-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710408097.3A Active CN107052835B (en) | 2017-06-02 | 2017-06-02 | Automobile hub primary cutting clamp |
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| Country | Link |
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| CN (1) | CN107052835B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107511637A (en) * | 2017-09-15 | 2017-12-26 | 镇江威尔耐车轮制造有限公司 | A kind of wheel hub knurling machine |
| CN107803584B (en) * | 2017-11-15 | 2018-09-07 | 重庆市超群工业股份有限公司 | The manufacturing method of process equipment, wheel hub and wheel hub |
| CN112846268B (en) * | 2020-12-31 | 2022-06-21 | 宁波德玛智能机械有限公司 | Clamp for hub turning |
| CN114871805B (en) * | 2022-07-11 | 2022-09-20 | 潍坊云科首望物联网科技有限公司 | Hub assembling tool |
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| FR2373351A1 (en) * | 1976-12-09 | 1978-07-07 | Tobler Meca Precision Franco S | Lathe chuck with radially and/or axially acting jaws - has pivoting jaw carriers with support pieces spring-loaded against pull rod disc |
| US6371493B1 (en) * | 1999-01-25 | 2002-04-16 | Sandvik Tobler S.A. | Adaptive clamping type chuck |
| JP2002144116A (en) * | 2000-11-13 | 2002-05-21 | Toyota Jidosha Hokkaido Kk | Tire wheel working chuck |
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| CN203887590U (en) * | 2014-04-28 | 2014-10-22 | 陕西泰丰汽车制动***有限公司 | Automatic centring hydraulic clamp for automobile hub bore system machining |
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| CN204286687U (en) * | 2014-12-05 | 2015-04-22 | 四川望锦机械有限公司 | A kind of motor turning outside link ball pivot dust cover sealing test clamping tooling |
| CN204487235U (en) * | 2015-04-03 | 2015-07-22 | 中信戴卡股份有限公司 | A kind of wheel center positioning fixture |
| CN204818810U (en) * | 2015-07-10 | 2015-12-02 | 天津那诺机械制造有限公司 | Aluminum alloy wheel processes fixture device |
| CN105728863A (en) * | 2014-12-11 | 2016-07-06 | 重庆市合川区环宇配件厂 | Locating tool for bevel gear of axle |
| CN106356695A (en) * | 2016-10-07 | 2017-01-25 | 王杨 | Swing clamping track type sheave electric wire welding production line |
| CN206122889U (en) * | 2016-10-21 | 2017-04-26 | 江铃汽车股份有限公司 | Vapour car roof assists welding mechanism |
| CN106624923A (en) * | 2016-12-23 | 2017-05-10 | 安徽科技学院 | Fixture special for multidirectional turning of automobile spoke |
| CN106769038A (en) * | 2016-12-12 | 2017-05-31 | 长春机械科学研究院有限公司 | One kind combination loading movable joint bearing tester |
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2017
- 2017-06-02 CN CN201710408097.3A patent/CN107052835B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2373351A1 (en) * | 1976-12-09 | 1978-07-07 | Tobler Meca Precision Franco S | Lathe chuck with radially and/or axially acting jaws - has pivoting jaw carriers with support pieces spring-loaded against pull rod disc |
| US6371493B1 (en) * | 1999-01-25 | 2002-04-16 | Sandvik Tobler S.A. | Adaptive clamping type chuck |
| JP2002144116A (en) * | 2000-11-13 | 2002-05-21 | Toyota Jidosha Hokkaido Kk | Tire wheel working chuck |
| CN101306734A (en) * | 2008-05-23 | 2008-11-19 | 侯琳珠 | Fastening forming method and special fastening machine thereof |
| CN203887590U (en) * | 2014-04-28 | 2014-10-22 | 陕西泰丰汽车制动***有限公司 | Automatic centring hydraulic clamp for automobile hub bore system machining |
| CN104368835A (en) * | 2014-11-18 | 2015-02-25 | 常州倍得福机械科技有限公司 | Floating chuck |
| CN204286687U (en) * | 2014-12-05 | 2015-04-22 | 四川望锦机械有限公司 | A kind of motor turning outside link ball pivot dust cover sealing test clamping tooling |
| CN105728863A (en) * | 2014-12-11 | 2016-07-06 | 重庆市合川区环宇配件厂 | Locating tool for bevel gear of axle |
| CN204487235U (en) * | 2015-04-03 | 2015-07-22 | 中信戴卡股份有限公司 | A kind of wheel center positioning fixture |
| CN204818810U (en) * | 2015-07-10 | 2015-12-02 | 天津那诺机械制造有限公司 | Aluminum alloy wheel processes fixture device |
| CN106356695A (en) * | 2016-10-07 | 2017-01-25 | 王杨 | Swing clamping track type sheave electric wire welding production line |
| CN206122889U (en) * | 2016-10-21 | 2017-04-26 | 江铃汽车股份有限公司 | Vapour car roof assists welding mechanism |
| CN106769038A (en) * | 2016-12-12 | 2017-05-31 | 长春机械科学研究院有限公司 | One kind combination loading movable joint bearing tester |
| CN106624923A (en) * | 2016-12-23 | 2017-05-10 | 安徽科技学院 | Fixture special for multidirectional turning of automobile spoke |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107052835A (en) | 2017-08-18 |
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