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Bending machine

A bending machine and bending die technology, applied in the field of bending machines, can solve problems such as inability to bend copper pipes in a curved shape, product quality cannot be guaranteed, and copper pipes cannot be bent, so as to reduce employee labor The effect of strength, improving machine utilization rate and simple structure

Inactive Publication Date: 2012-01-25
TIANJIN JINBAO MUSICAL INSTR
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, it is still not possible to bend copper tubes in a curved shape, especially for copper tubes with variable diameters. Bending still requires manual bending and forming on the mold, which is low in efficiency and high in cost. not guaranteed

Method used

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Embodiment Construction

[0016] The structure of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0017] Such as figure 1 and figure 2 As shown, the bending machine of the preferred embodiment of the present invention includes a support box 1 fixedly arranged on the base, a push cylinder 2 fixedly arranged on one side of the upper surface of the box body, and rotatably fixed at the end of the piston arm of the cylinder 2 The bending wheel 3, and the bending module 4 that can be driven by the drive motor to rotate.

[0018] Wherein, the support box 1 is welded by hard metal plates, of course, the purpose of the present invention can also be achieved by welding pipes to form a support frame. Promoting cylinder 2 is fixedly arranged on one side of the upper surface of support case 1 by bolts, preferably, it is arranged on a corner of support case 1 and its piston arm points to the center of the upper surface of case body 1 . Fixed splints 31 are...

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Abstract

The invention discloses a bending machine comprising a support box fixed on a base, a pushing cylinder which is fixedly arranged on one side of the upper surface of a box body, a bending wheel which is rotatably fixed at the end part of a piston arm of the cylinder and a bending module which is driven by a driving motor to rotate, wherein a semi-circular groove is formed on the side surface of the bending wheel along the circumferential direction, a smooth curved surface matched with the preset bending shape is formed on one side surface of the bending module, the semi-circular groove is arranged on the curved surface, and the semi-circular grooves of the bending wheel and the bending module are positioned on the same horizontal plane and have corresponding radii. The bending machine is simple in structure and reasonable in layout, and can effectively reduce one operative employee, reduce the labor intensity of the employees and be simultaneously conductive to upgrading the product quality; and simultaneously, the bending machine can also be applied to bending of a variable-diameter copper pipe, thereby expanding the range of applications, improving the utilization rate of a machine and reducing the processing cost.

Description

technical field [0001] The invention belongs to the field of mechanical processing, in particular to a bending machine capable of bending copper pipes. Background technique [0002] In musical instruments such as horns and saxophones, brass tubes are widely used. In the past, copper plates were used to weld the tubes, which was complicated and costly. Now copper tubes are generally used as the base material of musical instruments, which requires bending the copper tubes into predetermined shapes. [0003] Chinese patent 200910034780.0 discloses a copper tube bending machine, which includes a common base, a hydraulic pusher, a movable briquetting block, and a fixed clamping block are sequentially arranged on the surface of the common base, and two oil cylinder bases are arranged in the hydraulic pusher. An oil cylinder is arranged between the bases of the two oil cylinders, and one end of the oil cylinder is connected with a push block, and one end of the push block is insert...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D7/06
Inventor 王存
Owner TIANJIN JINBAO MUSICAL INSTR
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