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.
CN104043679AActive Publication Date: 2014-09-17NINGBO XINTAI MACHINERY
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Patent Information

Authority / Receiving Office
CN ยท China
Patent Type
Applications(China)
Current Assignee / Owner
NINGBO XINTAI MACHINERY
Publication Date
2014-09-17

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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.
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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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