Core drawing mechanism

A frame and mandrel technology, which is applied in the field of core pulling mechanism of cold-formed special-shaped pipes, can solve the problems of long time, high labor intensity, mandrel damage, etc., and achieve the effects of smooth movement, improved automation, and reduced volume.

Active Publication Date: 2014-09-17
NINGBO XINTAI MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above two methods not only need to spend a lot of labor intensity, but also need to spend a lot of time, and it is easy to damage the mandrel

Method used

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Embodiment Construction

[0027] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0028] Such as Figure 2a-2c Shown is a schematic view of the mandrel 1 used in the present invention, the mandrel 1 includes a core 11 and a core 12, the core 11 is located at one end of the core 12, and the width of the core 11 on a horizontal plane is greater than that of the core 12 in width, wherein the core 12 is made of soft material and inserted into the cavity of the special-shaped tube 10 to avoid deformation of the inner cavity of the product during cold bending. Such as Figure 2b As shown, it is a top view of the core rod 1, one end of the core head 11 is provided with an avoidance groove 111 along its thickness direction along its length direction, and the escape groove 111 does not extend to the other end of the core head 11. One end of head 11 is divided into left and right sides, as Figure 2b As shown in the top view, the ...

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Abstract

A core drawing mechanism comprises a horizontally arranged frame, a guide rail positioned on the frame and horizontally extending, and a vertical seat positioned on the frame, the frame is provided with a rodless cylinder driving the vertical seat to move along the guide rail, the vertical seat comprises a vertical portion vertical to the extension direction of the guide rail, the vertical portion is provided with a driving cylinder, a piston rod of the driving cylinder is downward vertically arranged, is connected with a plug board and can drive the plug board to move up and down, the plug board can be inserted into a side groove extending up and down of the core rod of a product and exposed to two sides of the product, the frame is also provided with a product fixing device positioned outside one end of the guide rail, and the product fixing device is used for fixing the product when the plug board drives the core rod to move. The core drawing mechanism has the advantages of compact structure, small size, rapid and efficient drawing of the core rod out of the product, simple structure, processing convenience, low product cost, time and labor saving, and improvement of the product processing automation degree.

Description

technical field [0001] The invention relates to a core-pulling mechanism, in particular to a core-pulling mechanism for cold-bending special-shaped pipes. Background technique [0002] In the production and processing of auto parts, it is usually encountered to process special-shaped tubes with double cavities, such as Figure 1a Shown is a schematic diagram of the appearance of the double-cavity special-shaped tube, such as Figure 1b Shown is a cross-sectional view of the double-cavity special-shaped pipe. When this special-shaped tube needs to be bent, it needs to use such as Figure 2a , 2b The mandrel shown in and 2c, the general mandrel 1, comprises core head 11 and core 12, and core 12 is inserted in the cavity of special-shaped pipe, and core head 11 is positioned at the end of core and partly inserts in the double that is positioned at special-shaped pipe In the cavity, the rest is located outside the special-shaped tube. Then, after cold-bending the special-sha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21C45/00
Inventor 胡剑英
Owner NINGBO XINTAI MACHINERY
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