Positioning jig for numerical control machining thin-wall product side holes

A technology for positioning fixtures and products, applied in positioning devices, manufacturing tools, metal processing equipment, etc., can solve problems such as heat deformation of processed parts, and achieve the effect of not being easily deformed by heat

Active Publication Date: 2018-03-27
苏州海盛精密机械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Another object of the present invention is to provide a positioning fixture for CNC machining of the side holes of thin-walled products. The rigid guard plate is made of porous metal material, which has excellent heat dissipation performance, and the rigid guard plate is provided with a heat dissipation groove. There is a through hole on the heat sink, the coolant sprayed out during the processing can enter the heat sink through the hole, and then be discharged from the through hole on the other side. The heat solves the technical problem of heat deformation during the processing of workpieces

Method used

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  • Positioning jig for numerical control machining thin-wall product side holes
  • Positioning jig for numerical control machining thin-wall product side holes
  • Positioning jig for numerical control machining thin-wall product side holes

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Embodiment Construction

[0023] The present invention will be described in further detail below with reference to the pictures in conjunction with the embodiments, so that those skilled in the art can implement it with reference to the description.

[0024] Such as figure 1 with figure 2 As shown, this case lists a positioning fixture for CNC machining of thin-walled products, which as a whole includes: base, positioning block, rigid guard plate, pneumatic device and cooling device.

[0025] The base 500 is installed on the CNC machine tool.

[0026] The positioning block 200 is laterally fixed on the base, and the workpiece is clamped on the positioning block 200 . A positioning column is respectively arranged on the longitudinal sides of the upper end surface of the positioning block 200, and a positioning hole is provided on the workpiece, and the workpiece is fixed at a specific position of the positioning block 200 through the hole column. The air outlet is connected to the air suction device...

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Abstract

The invention discloses a positioning jig for numerical control machining thin-wall product side holes. The positioning jig for numerical control machining the thin-wall product side holes comprises abase, a positioning block, a rigid protection plate and a cooling device. The base is arranged on a numerical control machine tool; the positioning block is fixed on the base; a machined part is clamped onto the positioning block; processing slots are formed in two horizontal side faces of the positioning block; the rigid protection plate is made of porous aluminum materials; a plurality of rectangular heat-radiating slots are formed in the rigid protection plate along a length direction in a penetrating way; a plurality of circular through holes are formed in slot walls of two sides of the heat-radiating slots; the through holes in each two adjacent slot walls are formed in a staggering way and are used for communicating spaces of each two adjacent heat-radiating slots; and the cooling device comprises a water tank, a water pipe and a nozzle. According to the positioning jig adopted by the invention, heat on the machined part can be radiated conveniently, so that the machined part isnot easy to deform by heating.

Description

technical field [0001] The invention relates to numerical control machining, in particular, the invention relates to a positioning jig for numerical control machining of side holes of thin-walled products. Background technique [0002] Thin-walled parts have large size, large machining allowance, and low relative rigidity. Under the influence of cutting heat, machining deformation is easy to occur, and it is difficult to control the machining accuracy. Machining deformation has become an important constraint for thin-walled parts. The energy consumed in the machining process is all turned into heat, and a large amount of cutting heat increases the cutting temperature, which will affect the machining accuracy and machined surface quality of the bow and arrow. During drilling, the workpiece will transmit 52.5% of the cutting heat , When processing the side holes of thin-walled products, a large amount of cutting heat will be generated, which will cause the thin-walled products...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q3/06B23Q11/10
CPCB23Q3/06B23Q3/062B23Q3/065B23Q11/10
Inventor 郑海男
Owner 苏州海盛精密机械有限公司
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