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Watch cover precise positioning clamp

A precise positioning and watch case technology, applied in the direction of manufacturing tools, workpiece clamping devices, etc., can solve problems such as difficult to ensure positioning accuracy, and achieve the effects of simple and reliable clamping, reliable repeated positioning, and accurate and reliable positioning

Pending Publication Date: 2019-06-18
JINHUI ZHONGSHAN METAL MFG +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, positioning by means of screws requires manual adjustment of the circumferential position of the brace on the one hand, and on the other hand it is difficult to ensure the positioning accuracy of the next positioning after the place where the brace and the screw are connected is worn out.

Method used

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  • Watch cover precise positioning clamp
  • Watch cover precise positioning clamp
  • Watch cover precise positioning clamp

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Embodiment Construction

[0040] In order to make the technical problems, technical solutions and beneficial effects solved by the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application.

[0041] Such as Figure 1 to Figure 7 As shown, the embodiment of the present application proposes a watch case precise positioning fixture, including a base 1 , a support head 10 , a positioning structure 3 , a locking structure 2 , an external expansion core 4 and a driving structure 5 .

[0042] Wherein, the base 1 is provided with a mounting hole 11 .

[0043] The support head 10 is detachably installed in the installation hole 11, and the support head 10 is provided with an elastic expansion part 101 for fixing the watch case and a tapered e...

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Abstract

The invention relates to the technical field of watch manufacturing equipment, in particular to a watch cover precise positioning clamp. The watch cover precise positioning clamp comprises a base, a supporting head, a positioning structure, a locking structure and an external expansion ejector core. The base is provided with a mounting hole, the supporting head is provided with an elastic supporting-open part used for fixing a watch shell and a conical ejector hole used for supporting open the elastic supporting-open part, the positioning structure is used for limiting the horizontal positionof the supporting head, the locking structure is used for locking the supporting head in the mounting hole, the external expansion ejector core is located in the mounting hole and can be ejected our or retracted relative to the mounting hole, the top of the external expansion ejector core is in a conical shape with the small upper and the large lower, the conical shape corresponds to the conical ejector hole, the driving structure is connected with the external expansion ejector core so as to drive the external expansion ejector core to eject out of and stretch into the conical ejector hole soas to support the elastic supporting-open part open. According to the watch cover precise positioning clamp, the watch cover precise positioning clamp is used for watch shell positioning machining, dismounting and mounting are convenient and rapid, horizontal and vertical positions of the supporting head can be rapidly, accurately and repeatedly positioned, the watch shell can be accurately positioned, and machining precision of the watch shell can be ensured.

Description

【Technical field】 [0001] The present application relates to the technical field of watch manufacturing equipment, in particular to a precise positioning jig for a watch case. 【Background technique】 [0002] As a kind of precision machinery, the watch is also very fine in workmanship. The various parts of the watch generally need to be assisted by fixtures to achieve its fine processing. [0003] Wherein, the watch case of the watch generally processes the through hole in the middle for installing the watch window in the first step, and then fixes it with the through hole as a reference by the clamp, and then performs the end face or hole processing in the second step. It should be noted that since there are many models of watch cases, the fixture in the second step of processing is assembled from a base and a support head that can be replaced to adapt to different models of watch cases, and the upper end of the support head is fixed to the The through hole further positions...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25B11/00
Inventor 陈学明
Owner JINHUI ZHONGSHAN METAL MFG
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