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Length-adjustable cushion pin

An adjustable and air cap technology, which is applied in the direction of metal processing equipment, forming tools, manufacturing tools, etc., can solve the problems of extended delivery cycle, non-adjustable, waste of materials, etc., so that it is not easy to deviate and bend, and prolongs the service life , the effect of reducing production costs

Inactive Publication Date: 2015-03-25
TIANJIN MOTOR DIES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the prior art, the length of the gas top connection column is fixed and cannot be adjusted, and cannot be changed once purchased, and the scope of application is small and it cannot cope with emergencies, such as figure 1 shown
For suppliers, the existing production process of air-cap joints is mostly blanks of different lengths in stock, and they are temporarily intercepted and processed according to the actual lengths reported by customers, which wastes materials and prolongs the delivery cycle, and cannot be directly prepared like standard parts. Good stock for immediate shipment
For the mold factory, there are many reasons that will lead to the change of the stroke of the casting, such as the difference between the machine tool of the busbar and the debugging line, because the change of the pressing material needs to temporarily change the stroke of the casting, etc.
According to the normal solution, it is necessary to purchase an additional gas-capped post with a suitable length, which will result in redundant posts that cannot be applied to other projects and cause waste

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Embodiment 1: as Figure 4 As shown, the length-adjustable gas cap post of this embodiment includes a male mold insert 1, a female mold insert 2, and fixing screws 3. The male mold insert 1 includes a connecting column 4 and a top 5 fixedly connected to the connecting column 4. The connecting column 4 is provided with first serrations 8 equidistantly distributed, the die insert 2 includes a die body 6 and a groove 7 opened in the die body 6, and the groove 7 is provided with The second sawtooth 9 matched with the first sawtooth 8 has a threaded hole (not marked in the figure) at the bottom of the die body 6; the tooth pitch of the first sawtooth 8 or the second sawtooth 9 is 5mm , so that it is convenient to adjust the air cap to the same length. The fixing screw 3 is screwed into the die body 6 from the outside of the die insert 2 through the threaded hole. The length of the fixing screw 3 can be selected according to the model to adapt to different lengths of the gas ...

Embodiment 2

[0023] Embodiment 2: as Figure 5 As shown, the length-adjustable air-top post of this embodiment includes a male mold insert 1 and a female mold insert 2. The male mold insert 1 includes a connecting post 4 and a top 5 fixedly connected to the connecting post 4. The connecting post 4 It is a circular die body 6 with first sawtooth 8, and the die insert 2 includes a die body 6 and a groove 7 provided in the die body 6, and the groove 7 is provided with a groove that matches the first sawtooth 8. The second sawtooth 9, the length of the connecting column 4 is the same as the depth of the groove 7, after the male mold insert 1 and the die insert 2 are tightened, a non-extended air cap connecting post is just formed, which can be used as an ordinary air cap post use.

[0024] There is no difference in external dimensions between this product and existing products, and it can be interchanged with existing products. The length of connecting column 4 is 75 mm, and the overall leng...

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PUM

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Abstract

The invention belongs to the technical field of automobile covering part die design and manufacturing components, and particularly relates to a length-adjustable cushion pin. The length-adjustable cushion pin is characterized by comprising a male die plug-in and a female die plug-in, the male die plug-in comprises a connection column and a top fixedly connected with the connection column, and the female die plug-in comprises a female die body and a groove formed in the female die body; the length-adjustable cushion pin further comprises a fixing screw, the shape and the size of a nut of the fixing screw is matched with those of the bottom of the groove. The length-adjustable cushion pin has the advantages that the cushion pin is adjustable, and an original semi-finished product is changed into a finished product standard piece, so that mass production can be realized for stock and various emergency situations of a die shop can be met.

Description

technical field [0001] The invention belongs to the technical field of mold design and manufacture of automotive cover parts, and in particular relates to a length-adjustable gas cap connecting post. Background technique [0002] The air cushion of the machine tool has been widely used as the force source in the existing drawing dies and subsequent dies, which can not only provide stable pressure but also save a large amount of cost for purchasing additional pressure sources. However, due to the limitation of the mold structure, it is impossible to directly connect the casting with the air cushion, so the air cap post is usually used as a tool for pressure transmission. [0003] In the prior art, the length of the gas top connection column is fixed and cannot be adjusted, and cannot be changed once purchased, and the scope of application is small and it cannot cope with emergencies, such as figure 1 shown. For suppliers, the existing production process of air-cap joints is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D37/12
CPCB21D37/02B21D37/12
Inventor 靳闯
Owner TIANJIN MOTOR DIES
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