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Spring machine with spring length adjusting device

A technology of length adjustment and adjustment device, applied in the field of spring machines, can solve problems such as waste, affecting production progress, manual screening, etc., and achieve the effects of reducing production costs, improving product accuracy, and improving qualification rate

Inactive Publication Date: 2012-10-31
ZHUHAI LONGXIN TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are still a certain number of defective products in the springs produced by the current spring machines.
For example, due to the change of the linear direction of the raw material, the instability of the tensile strength, or the vibration of the spring during forming, the pitch of the spring deviates from the specified value. The error requirements are naturally very strict, so the produced products may be discarded or need to be manually screened, resulting in a lot of waste
At present, the measures adopted in the industry are to manually adjust the position of the tool so that the pitch of the spring is controlled within the specified value. However, the accuracy cannot be guaranteed by manual adjustment, and it may need to be adjusted several times. Not only the efficiency Low, and will affect the production schedule

Method used

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  • Spring machine with spring length adjusting device
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  • Spring machine with spring length adjusting device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0015] as attached figure 1 The shown spring machine with a spring length adjustment device includes a frame 1, a discharge port 2 is arranged on the frame 1, and several spring processing arms are installed around the discharge port 2. The spring processing arm includes a sliding seat 31 and a sliding block 32 sliding on the sliding seat 31 , a processing tool 33 is installed on the end of the sliding block 32 near the discharge port 2 , and a crank arm 34 is hinged at the other end. The crank arm 34 is rotatably mounted on the frame 1 in the middle, and a cam 35 is connected to the other end thereof.

[0016] The working process of spring machine is described as follows, cam 35 rotates, drives crank arm 34 to swing around its installation axis with frame 1, and crank arm 34 drives slide block 32 to slide back and forth on slide seat 31. When the slide block 32 slides towards the discharge port 2, the machining tool 33 moves to the top of the discharge port 2. When the spri...

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PUM

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Abstract

The invention discloses a spring machine with a spring length adjusting device, and belongs to the technical field of precise efficient processing and forming equipment. The spring machine is provided with a push broach which is propped against the external surface of a spring. According to the spring machine, when the pitch of the spring excesses a specified value, a control system drives a driving motor so that an eccentric sleeve rotates, and the push broach is moved back, thus, the pressure on the spring can be released, as a result, the pitch of the spring is reduced; conversely, when the pitch of the spring is less than the specified value, the pressure on the spring is increased through the push broach under the driving of the driving motor and the eccentric sleeve, thus the pitch of the spring is raised. The spring machine has simple structure, and is convenient to operate, and can effectively improve the percent of pass of the product and reduce the cost of production; and the spring machine removes the conventional mode of manually adjusting the processing cutter, and therefore the precision of the product can be greatly improved.

Description

technical field [0001] The invention relates to a spring machine with a spring length adjustment device, which can adjust the pitch of the spring that will exceed the upper and lower limits during spring production, so that the pitch of the product is near the middle value of the specified range, and belongs to the technical field of precision and efficient processing and forming equipment . Background technique [0002] The use of the spring machine has replaced the previous method of producing springs by hand. It has high precision and high production efficiency, and can also produce some springs with specifications and shapes that cannot be manufactured manually. But, the spring that current spring machine produces also has a certain amount of defective products. For example, due to the change of the linear direction of the raw material, the instability of the tensile strength, or the vibration of the spring during forming, the pitch of the spring deviates from the speci...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21F35/00
Inventor 尧章明韩言
Owner ZHUHAI LONGXIN TECH
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