Clamping tool with function of automatic riser removal

A technology for clamping tooling and removing riser, which is applied in the field of automatic riser removing and clamping tooling.

Active Publication Date: 2015-01-14
广东戴卡旭汽车零部件有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Even some products cannot be positioned by stoppers, resulting in the lack of versatility of the above-mentioned riser removing mechanism

Method used

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  • Clamping tool with function of automatic riser removal
  • Clamping tool with function of automatic riser removal
  • Clamping tool with function of automatic riser removal

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0018] Such as figure 2 The automatic de-riser clamping tool shown includes clamping device and hydraulic system.

[0019] Wherein the clamping device includes an upper template 1 and a base 2 . The base 2 is fixed, and the hub is placed on the base 2. The upper template 1 is above the base 2, which is rectangular and can move up and down relative to the base 2. There is a round hole in the middle of the rectangle. The punch of the punching machine can pass through the round hole, so as to raise the hub under the upper template 1. punching. The bottom of the upper template 1 is equipped with a pressing unit for pressing the rear rim of the wheel hub.

[0020] The base 2 is provided with two two-way oil cylinders 3, and each two-way oil cylinder 3 is symmetrically arranged on the left and right with respect to the center of the upper formwork 1, and the corresponding output shafts of each two-way oil cylinder 3 are fixedly connected to the left and right sides of the middle...

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PUM

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Abstract

The invention relates to a clamping tool with a function of automatic riser removal. The clamping tool comprises a clamping device and a hydraulic system. The clamping device comprises an upper die plate and a base. A press-down unit is mounted at the bottom of the upper die plate. Two bidirectional cylinders are disposed on the base. The hydraulic system comprises a first oil pipe and a second oil pipe; oil return openings of the bidirectional cylinders are parallelly connected with the first oil pipe; oil inlets of the bidirectional cylinders are parallelly connected with the second oil pipe; a pressure switch is connected to the first oil pipe. The hydraulic system is used to synchronously control the bidirectional cylinders to stably drive the press-down unit of the upper die plate so that the press-down unit moves down and presses the rear rim of a hub; no gap exists between a product and the press-down unit; resilience of the product occurring in riser punching is greatly decreased, and product deformation is avoided; meanwhile, the pressure switch is disposed at the oil return openings of the bidirectional cylinders, hub pressing force is effectively controlled, and pressing damage is prevented. The clamping tool is applicable to riser removal for hubs.

Description

technical field [0001] The invention relates to the processing of auto parts, in particular to an automatic riser removal and clamping tool. Background technique [0002] At present, the punching of the central riser of the automobile wheel hub is generally carried out in a punching machine. The commonly used structures for removing the riser are as figure 1 shown. The hub 20 is placed above the base 21 , and above the hub 20 is a fixed template 22 , and a hole is opened in the center of the template 22 for passing a punch 23 . A stopper 24 is provided on the lower end surface of the template 22 to position the hub. For products with different sizes, the stopper 24 needs to be moved left and right to adapt, so there is a certain gap between the stopper and the hub. However, the thickness of the wheel core of the product is relatively large, and the rebound force of the product is also large during the process of flushing the riser. The existence of the gap causes a large ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D28/04
CPCB21D28/04
Inventor 罗勇喻志辉蔡岳明谷明路
Owner 广东戴卡旭汽车零部件有限公司
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