A high-precision chamfering processing mold and method

A technology for processing molds and high precision, applied in the field of high-precision chamfering molds, can solve the problems of high positioning and coordination requirements, low chamfering efficiency, low precision, etc., and achieve the effect of simple and efficient processing control and elimination of errors.

Active Publication Date: 2021-09-21
珠海加特精密工业有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to overcome the shortcomings of the above-mentioned prior art, provide a high-precision chamfering processing mold and method, and solve the problems of low efficiency, low precision, and cumbersome process in the prior art when processing chamfering of reinforcing plates , Overcoming the defect of high requirements for the positioning and coordination of the upper mold and the lower mold

Method used

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  • A high-precision chamfering processing mold and method
  • A high-precision chamfering processing mold and method
  • A high-precision chamfering processing mold and method

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Embodiment 1

[0033] refer to Figure 2 to Figure 4 , the present embodiment provides a high-precision chamfering processing mold for forming chamfers on the reinforcing plate 3, including an upper mold 1 and a lower mold 2, the upper mold 1 includes a pressed flat plate 11, and the lower mold 2 includes at least one The concave molding cavity 23 is provided with a chamfering area 24 in the molding cavity 23, the molding cavity 23 is used for fixing and positioning the reinforcing plate 3, and the chamfering area 24 is used for pressing and positioning the pressing plate 11 in the molding cavity 23 When the reinforcing plate 3 is formed, chamfers are formed at the edges of the reinforcing plate 3 .

[0034] It should be noted that at least one molding cavity 23 is provided in the form of indentation on the upper surface of the lower mold 2, and a chamfering area 24 is processed in the molding cavity 23 by means of a spherical milling cutter. This chamfering area 24 includes at least one R ...

Embodiment 2

[0042] refer to figure 2 , the present embodiment 2 provides a method applied to high-precision chamfering processing molds in embodiment 1, comprising the following steps:

[0043] S1: Fix several inserts 22 to the lower mold base 21 respectively;

[0044] S2: Put the reinforcing plate 3 in the forming cavity 23 of the insert 22, align the edge of the reinforcing plate 3 to be chamfered with the chamfering area 24 in the forming cavity 23;

[0045] S3: Control the pressing flat plate 11 of the upper mold 1 to press down the reinforcing plate 3 to make the reinforcing plate 3 be chamfered and formed.

[0046] It should be noted that, in step S1, after placing several inserts 22 into the lower mold base 21, the flatness of the bottom surface of the molding cavity 23 is measured and adjusted. If the flatness of the bottom surface of each molding cavity 23 is high, no adjustment is required. If there is a difference in flatness between the molding cavities 23 between different...

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Abstract

A high-precision chamfering processing mold and method provided by the present invention are used to form chamfers on a reinforcing plate, wherein the mold includes an upper mold and a lower mold, the upper mold includes a pressed flat plate, and the lower mold includes at least one concave The forming cavity is provided with a chamfering area, the forming cavity is used to fix and position the reinforcing plate, and the chamfering area is used to fix the edge of the reinforcing plate when the pressing plate is pressed against the reinforcing plate positioned in the forming cavity. To form chamfers, the lower mold includes a lower mold base and several inserts. The present invention satisfies the positioning requirements and chamfering requirements through the molding cavity of the lower mold, and forms chamfers at the edge of the reinforcement plate through the pressing down of the upper mold including the pressed flat plate, and the positioning of the upper mold and the lower mold during the chamfering process The requirements are not high, no fine adjustment of the upper mold and the lower mold is required, the chamfering effect of the reinforcing plate is guaranteed, the processing control is simple and efficient, and the gap between the insert and the lower mold base is matched, which is convenient for adjusting the flatness of the bottom surface of the molding cavity. Ensure the accuracy of chamfering multiple reinforcement plates at the same time.

Description

technical field [0001] The invention belongs to the technical field of precision processing, and in particular relates to a high-precision chamfering processing mold and method. Background technique [0002] In the FPC flexible circuit board industry, the flexible board has high flexibility, but its strength is insufficient. To address this shortcoming, it is necessary to add a reinforcing board to a special part of the flexible board to strengthen the structural strength of the flexible board. In order to ensure the strengthening effect and prevent the burrs on the edge of the stiffener from piercing the soft board and affecting the circuit performance of the soft board, it is necessary to chamfer the edge of the stiffener. [0003] In the prior art, only a single reinforcing plate can be chamfered at one time, and the work efficiency is low. Moreover, due to the small size of the reinforcing plate, the chamfering size is smaller, which requires high flatness of the mold, a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21D19/08B21D37/10
CPCB21D19/08B21D37/10
Inventor 何军李求华李涛
Owner 珠海加特精密工业有限公司
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