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Multi-angle drilling and positioning fixture

A positioning fixture and multi-angle technology, which is applied in positioning devices, precision positioning equipment, clamping, etc., can solve problems such as unstable product quality, poor drilling positioning accuracy, and poor application, and achieve fast, high-precision, and multi-angle The effect of rotating positioning and improving efficiency

Active Publication Date: 2015-04-01
TAISHAN CITY KAM KIU ALUMINUM EXTRUSION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Some cylindrical metal fittings (such as some frequency converter casings) need to process multiple holes (through holes or counterbores) at different angles in the circumferential direction on its circumferential surface. The drilling process is mainly to use the pre-drawing and positioning of the cylindrical product, and then use the simple auxiliary positioning tool to manually assist the positioning drilling process. The existing simple method is suitable for some small batches and low precision requirements. Drilling of cylindrical products is still suitable, but its efficiency is low, and the positioning accuracy of drilling is poor, which may easily lead to unstable product quality. It has requirements for various angle changes and high precision for some large-volume product drilling. products are not suitable for

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0054] Such as Figures 1 to 7 As shown, the multi-angle drilling positioning jig described in the present invention is applied to clamping and multi-angle rotation positioning of the cylindrical product 10, so as to realize the precise multi-angle positioning drilling of the cylindrical product 10 .

[0055] The multi-angle drilling positioning fixture of the present invention includes: a bottom plate 1 , a support frame 2 , a rotating shaft 3 , a positioning turntable 4 , a latch device 5 and a product clamping device 6 . The specific structure is as follows:

[0056] The support frame 2 is vertically installed on the base plate 1, the support frame 2 has a front support plate 21 and a rear support plate 22, and the front and rear support plates are fixed by four bolts 23.

[0057] The rotating shaft 3 is installed on the support frame 2 through the bearing 24 , specifically: the bearing 24 is installed between the front supporting plate 21 and the rear supporting plate 22 ...

Embodiment 2

[0074] Such as Figure 8 As shown, the multi-angle drilling positioning jig described in this embodiment, on the basis of Embodiment 1, adds a buffer spring 67 between the pressing plate 65 and the adjusting nut 66 .

[0075] In the above-mentioned embodiment 1, since the clamping cylinder 62 pulls the internal expansion mechanism 63 and the pressure plate 65 at the same time, the distance between the action point of the internal expansion mechanism 63 and the action point of the pressure plate 65 is fixed and rigid, so the internal expansion mechanism 63 is required. The size and position between the pressing plate 65 and the pressing plate 65 are relatively accurate, otherwise, the internal expansion mechanism 63 has pressed the inner wall of the product, but the pressing plate 65 has not reached the rear end of the product, so the pressing plate 65 cannot press the product to clamp, or the pressing plate 65 has already pressed the product The rear end of the product, and th...

Embodiment 3

[0078] Such as Figure 9 with 10 As shown, the multi-angle drilling and positioning jig of the present invention includes: a bottom plate 1 , a support frame 2 , a rotating shaft 3 , a positioning turntable 4 , a latch device 5 and a product clamping device 6 . The support frame 2 is vertically installed on the base plate 1, the support frame 2 has a front support plate 21 and a rear support plate 22, and the front and rear support plates are fixed by four bolts 23.

[0079] In order to improve the degree of automation of the fixture of the present invention and further realize the intelligent cooperation with the external drilling manipulator (not shown in the figure), this embodiment adds a rotating shaft servo drive device 8 and a control device 9 on the basis of Embodiment 1, The specific structure is as follows:

[0080] The rotating shaft servo driving device 8 is arranged between the support frames 2, specifically, the rotating shaft servo driving device 8 is arranged...

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Abstract

The invention discloses a multi-angle drilling and positioning fixture which comprises a base plate, a support frame, a rotating shaft, a positioning turnplate, a bolt device, and a product clamping device, wherein the support frame is vertically arranged on the base plate, the rotating shaft is arranged on the support frame through a bearing, the positioning turnplate is arranged at the front end of the rotating shaft through a key groove structure and synchronously rotates along with the rotating shaft, a positioning tooth groove corresponding to circumference distribution of a hole to be processed of a cylindrical product is formed in the circumference of the positioning turnplate, the bolt device is arranged on the front side of the support frame and is provided with inserting teeth, the movable inserting teeth are matched with the positioning tooth groove to achieve positioning, and the product clamping device is fixedly arranged at the rear end of the rotating shaft and synchronously rotates along with the rotating shaft. By the adoption of the technical scheme, quick, high-precision and multi-angle rotation and positioning of the cylindrical product are achieved, and efficiency, precision and quality of drilling processing of the cylindrical product are improved.

Description

technical field [0001] The invention relates to a positioning fixture, in particular to a multi-angle drilling and positioning fixture for the peripheral surface of a cylindrical product. Background technique [0002] Some cylindrical metal fittings (such as some frequency converter casings) need to process multiple holes (through holes or counterbores) at different angles on the circumferential surface, and the existing cylindrical products The drilling process is mainly to use the pre-drawing and positioning of the cylindrical product, and then use the simple auxiliary positioning tool to manually assist the positioning drilling process. The existing simple method is suitable for some small batches and low precision requirements. Drilling of cylindrical products is still suitable, but its efficiency is low and the positioning accuracy of the drilling is poor, which can easily lead to unstable product quality. It has requirements for various angle changes and high precision...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23Q3/00B23Q16/10
CPCB23Q1/25B23Q3/065B23Q3/08B23Q16/10B23Q17/003B23Q17/005
Inventor 雷庭辉李干希
Owner TAISHAN CITY KAM KIU ALUMINUM EXTRUSION