A Double Centering Pressing Mechanism

A technology of pressing mechanism and pressing parts, which is applied to manufacturing tools, workpiece clamping devices, etc., can solve the problems of low indenter operation accuracy, affecting product yield, and easily damaging sensors, and achieves compact structure and work efficiency. High and stable effect

Active Publication Date: 2022-04-12
BOZHON PRECISION IND TECH CO LTD
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0003] Now the indenter is prone to two problems in the process of compacting talcum powder. On the one hand, due to the low operation accuracy of the indenter, the indenter cannot accurately enter the annular groove between the outer shell and the inner core, and misalignment is prone to occur. , used for a long time, it is easy to damage the sensor and affect the product yield; on the other hand, after the indenter is pressed against the talcum powder, the indenter is in the process of withdrawing, and the phenomenon that the entire sensor is easily followed by the indenter is easy to use, which is extremely inconvenient to use

Method used

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  • A Double Centering Pressing Mechanism
  • A Double Centering Pressing Mechanism
  • A Double Centering Pressing Mechanism

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Embodiment Construction

[0030] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the present invention and implement it, but the examples given are not intended to limit the present invention.

[0031] refer to Figure 1-Figure 4 As shown, the present invention discloses a double centering pressing mechanism, including a positioning assembly, a pressing assembly and a first elastic member 30 .

[0032] The positioning assembly includes a positioning sleeve 10 and a centering shaft 11. The positioning sleeve 10 is located outside the centering shaft 11. The centering shaft 11 is arranged in cooperation with the groove body of the inner core 51 of the sensor 50. The positioning sleeve 10 is matched with the outer shell 52 of the sensor 50. set up. The centering shaft 11 is inserted into the groove body of the inner core 51, so that the inner core 51 of the sensor 50 can be...

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Abstract

The invention discloses a double-centering pressing mechanism, comprising: a positioning assembly, the positioning assembly includes a positioning sleeve and a centering shaft, the positioning sleeve is located outside the centering shaft, the centering shaft and a sensor The groove body of the inner core is set in cooperation, and the positioning sleeve is set in cooperation with the outer shell of the sensor; the pressing assembly, the pressing assembly includes a pressing piece, and the pressing piece is located between the positioning sleeve and the centering shaft to resist The powder in the annular groove of the pressure sensor; the first elastic member, which is located between the pressing member and the positioning sleeve, when the pressing member moves relative to the positioning sleeve, the first elastic member generates Elastic force to realize the reset of the pressing part. It has the functions of double centering and mold ejection, and realizes the function of guiding and centering during the pressing process, and the work efficiency is high.

Description

technical field [0001] The invention relates to the technical field of sensor packaging, in particular to a double-centering pressing mechanism. Background technique [0002] During the production process of the exhaust gas sensor for vehicles, it is necessary to seal it with talcum powder, so as to isolate the reference air chamber from the exhaust gas detection chamber. The sensor generally includes an inner core and an outer shell, the inner core is located in the outer shell, and a circular groove is opened in the center of the inner core. Usually, the talcum powder is filled in the annular groove formed by the shell and the inner core, and then the talc powder needs to be compacted with a pressure head. [0003] Now the indenter is prone to two problems in the process of compacting talcum powder. On the one hand, due to the low operation accuracy of the indenter, the indenter cannot accurately enter the annular groove between the outer shell and the inner core, and mis...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B25B11/02
CPCB25B11/02
Inventor 陈雪峰陈丽丽吴小平
Owner BOZHON PRECISION IND TECH CO LTD
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