Flexible machining clamp for automobile hub

A technology of flexible processing and automobile wheel hubs, which is applied in the direction of manufacturing tools, metal processing equipment, metal processing machinery parts, etc., can solve the problems that are still in its infancy, long adjustment time, reduced production efficiency, etc., and achieve small tolerance and material utilization The effect of high rate and improvement of processing efficiency

Pending Publication Date: 2021-04-23
JIANGSU SLD PRECISION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the flexible processing fixtures for wheel hubs are divided into first-order fixtures and second-order fixtures. The first-order fixtures are mainly used in the first processing procedure of automobile wheels, and are configured on single-station double-turret vertical lathes to realize the flexibility of wheel hubs. The second-order fixture technology is still in its infancy. Most of the existing wheel hub processing fixtures can only realize the processing of a single wheel hub. For the wheel hub processing of different sizes, strong personalization, and small batches in the retail market, manual adjustment of the tooling is required.
It takes a long time to adjust the machine, which greatly reduces the production efficiency

Method used

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  • Flexible machining clamp for automobile hub
  • Flexible machining clamp for automobile hub
  • Flexible machining clamp for automobile hub

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Such as Figure 1 to Figure 4 As shown, the automobile wheel hub flexible processing fixture of the present invention includes jaws 1, jaw driving base 2 and jaw disc 3, the middle part of jaw disc 3 is hollow, and jaw driving base 2 is installed on 6 hollow parts of jaw disc 3. parts. On the outer wall of the jaw driving seat 2 there are evenly distributed multiple sets of driving grooves 200 inclined along the axial direction of the jaw disc 3 for installing the jaws 1 . Multiple groups of jaws 1 are slidably connected to the jaw plate 3 along the radial direction of the jaw plate 3, each jaw 1 is provided with a sliding arm 12, the number of sliding arms 12 is the same as that of the driving groove 200, and each jaw 1 passes through The sliding arm 12 is slidably connected to a set of driving grooves 200, and each jaw 1 is provided with an arc-shaped jaw groove 100, which is an arc-shaped jaw groove distributed in a multi-step shape. Steps are used to match one siz...

Embodiment 2

[0043] The further optional design of this example is, as Figure 6 As shown, the inclination angle of the driving slot 200 is 11°-12° from bottom to top and inward; correspondingly, the sliding arm of each jaw also uses an inclined structure to fit and connect with the inclined surface of the driving slot 200 . The design of the inclination angle can realize the self-locking function of the clamp sliding arm 12 and the driving slot 200 when clamping. During the high-speed operation of the fixture, there will be no relative sliding between the two, which is stable and reliable.

Embodiment 3

[0045] The further optional design of this example is, as Figure 5 to Figure 8 , The jaw drive base 2 includes a drive slide 21 and a drive slide 22 . The tie rod assembly includes a guide disc 23 , a pressing plate 24 and a tie rod connecting seat 25 .

[0046] A guide structure is provided between the guide disc 23 and the base 32, the drive slide 21 and the guide disc 23 are fixedly connected by screws, the tie rod connection seat 25 passes through the guide disc 23 and is fixedly connected with the pressing plate 24, and the pressing plate 24 is set In the driving sliding seat 21 , the pressing plate 24 axially positions the tie rod connecting seat 25 on the guiding disc 23 . The guide disc 23 drives the jaw driving seat 2 to move directionally through the tie rod connecting seat 25 .

[0047] In the jaw driving seat 2, several installation grooves 211 are evenly distributed on the outer wall of the driving slider 21, and two driving sliders 22 are fixed in each install...

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PUM

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Abstract

The invention discloses a flexible machining clamp for an automobile hub. The clamp comprises a clamping jaw, a clamping jaw driving seat and a clamping jaw disc, the clamping jaw driving seat is movably arranged in the hollow position of the middle of the clamping jaw disc, and a plurality of driving grooves which are obliquely formed in the axial direction of the clamping jaw disc are evenly distributed in the outer wall of the clamping jaw driving seat. The clamping jaws are connected to the clamping jaw disc in a sliding mode in the radial direction of the clamping jaw disc, a sliding arm is arranged on each clamping jaw, each clamping jaw is connected with the corresponding driving groove in a sliding fit mode through the corresponding sliding arm, and arc clamping jaw grooves distributed in a multi-step mode are formed in each clamping jaw and used for being matched with hubs of various sizes. Each clamping jaw is provided with a plurality of arc clamping jaw grooves distributed in a step shape, hubs of different sizes can be clamped without disassembly, the machining efficiency is improved, and the use cost is reduced. The designed clamping jaw driving seat structure adopts a hexahedron structure, so that the indexing is more accurate.

Description

Technical field: [0001] The invention relates to a flexible processing fixture for an automobile wheel hub, which belongs to automobile wheel hub processing equipment. Background technique: [0002] At present, the flexible processing fixtures for wheel hubs are divided into first-order fixtures and second-order fixtures. The first-order fixtures are mainly used for the first processing procedure of automobile wheels, and are configured on single-station double-turret vertical lathes to realize the flexibility of wheel hubs. The second-order fixture technology is still in its infancy. Most of the existing wheel hub processing fixtures can only realize the processing of a single wheel hub. For the wheel hub processing of different sizes, strong personalization, and small batches in the retail market, manual adjustment of tooling is required. . It takes a long time to adjust the machine, which greatly reduces the production efficiency. Invention content: [0003] In order ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q3/12
CPCB23Q3/12B23Q2703/10
Inventor 牛韬张自元涂桥安
Owner JIANGSU SLD PRECISION TECH
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