Molds for the production of ring shock absorbers
A shock absorber and mold technology, applied in the field of machinery, can solve the problems of increasing the defect rate and high manufacturing cost, and achieve the effects of reducing the residual feed, improving the processing technology, and eliminating the accumulation of assembly errors.
Active Publication Date: 2016-04-06
TAIDEXING PRECISE ELECTRON KUSN
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Problems solved by technology
This method not only has a high manufacturing cost, but also increases the defective rate due to the addition of a CNC processing process.
Method used
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[0016] The present invention will be specifically introduced below in conjunction with the accompanying drawings and specific embodiments.
[0017] see Figure 1 to Figure 3 , the mold of the present invention is especially suitable for the production of annular shock absorbers, which can ensure high roundness and concentricity of the produced products, and will not cause the circular ring to become an ellipse due to the stress release during demoulding, and the deformation tolerance is controlled within Within ±0.1mm, this technology is at the leading level in the industry.
[0018] Specifically, like most molds, the mold of the present invention can be divided into three parts: a driving mechanism, a forming mechanism and an ejecting mechanism. Among them, the driving mechanism includes: slider 1, slider 2 connected with slider 1, inclined guide post 4 driving slider 1 to move, bezels 5 located at both ends of slider 1 and provided with guide rails, the connection method of...
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Abstract
The invention discloses a mold suitable for producing annular shock absorbers. The mold suitable for producing the annular shock absorbers comprises a driving mechanism, a forming mechanism and an ejecting mechanism; the forming mechanism comprises a mold core which is formed the top surface between slide blocks in a clamping manner and is lower than the top surfaces of the slide blocks; a product mold cavity is formed in the mold core; a sprue communicated with the product mold cavity is formed on the top of the mold core, and consists of three sunken runners which are distributed at equal included angles of 120 degrees; a positioning table is arranged between every two adjacent runners; the included angle between the top surface of each positioning table and the horizontal level is 3-5 degrees, and the height of the positioning table, which is close to the center of the mold cavity, is the highest. The concentricity and the roundness of the annular shock absorbers are ensured maximally by improving the charging sprue, a mold structure as well as a processing technology; the product quality is in the advanced level in the industry; meanwhile, the mold can be applied to the production of other similar products.
Description
technical field [0001] The invention relates to a mold, in particular to a mold suitable for producing ring shock absorbers, and belongs to the field of machinery. Background technique [0002] There are many circular plastic parts in the interior and exterior parts of automobiles, and the roundness and concentricity requirements are very high. Because plastics will generate internal stress during injection molding, the internal stress will be gradually released during the cooling process after the product is formed, which will cause micro deformation of the product. The thicker the product, the greater its degree of deformation. The industry standard is to control the degree of deformation within + / -0.1mm. In order to achieve this tolerance, the current industry general practice is to make the product gate a full ring, and the size requirements The higher part is deliberately made with more glue. After the stress release of the plastic product is completed, the gate and th...
Claims
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IPC IPC(8): B29C45/27B29C45/40
CPCB29C45/27B29C45/4005B29C2045/2709
Inventor 张裕华
Owner TAIDEXING PRECISE ELECTRON KUSN