A high-precision three-dimensional stretch bending machine
A kind of bending machine, high-precision technology, applied in the direction of feeding device, positioning device, storage device, etc., can solve the problems of large sliding gap, the accuracy of the bending angle cannot meet the requirements, and the opening of the product does not meet the accuracy requirements. The effect of improving accuracy
Active Publication Date: 2018-08-28
宁波江北盛亚机械有限公司
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Problems solved by technology
The product precision of the door chute requires high precision. If the bending precision is low and it is installed on the door, it may not be able to slide with the door glass, or the sliding gap is too large. In the past, mold shaping was used, and the bending angle accuracy could not meet the requirements. , the opening of the product does not meet the accuracy requirements
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[0018] The present invention will be described in further detail below in conjunction with accompanying drawing and specific embodiment: see Figure 1 to Figure 5 , a high-precision three-dimensional stretch bending machine, including a machine base 1, a rotating platform 4 is arranged on both sides of the machine base 1, and the first hydraulic cylinder 5 controls the position between the rotating platform 4 and the machine base 1. The rotating platform 4 rotates longitudinally, and a rotating block 41 is arranged on the rotating platform 4, and a guide block 42 and a clamping mechanism 43 are arranged on the rotating block 41. Several auxiliary rods 2, one of the guide blocks 42 is provided with a mold 44, the mold 44 has a through hole 45 matching the cross section of the workpiece, and the second hydraulic pressure is passed between the rotating block 41 and the rotating platform 4 The cylinder 46 controls the lateral rotation of the rotating block 41, and the first hydrau...
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The invention discloses a high-precision three-dimensional stretch bending machine. The machine comprises a stand; rotating platforms are rotationally arranged on two sides of the stand; the rotating platforms are controlled to longitudinally rotate through first hydraulic cylinders between the rotating platforms and the stand; rotating blocks are rotationally arranged on the rotating platforms, and are both provided with guide blocks and clamping mechanisms; multiple auxiliary rods are fully inserted between the two guide blocks; a mold is arranged in one guide block, and is provided with a through hole matched with a section of a workpiece; the rotating blocks are controlled to transversely rotate through second hydraulic cylinders between the rotating blocks and the rotating platforms; and the first hydraulic cylinders and the second hydraulic cylinders are both connected with a control device. The device not only improves the opening precision of vehicle door chutes in the stretch bending process, but also can realize synchronous stretch bending in the transverse direction and the longitudinal direction.
Description
technical field [0001] The invention belongs to the technical field of stretch bending machines, in particular to a high-precision three-dimensional stretch bending machine. Background technique [0002] The door chute is installed inside the door frame of the car door to guide the up and down movement of the car glass when it is raised and lowered. It is mainly installed on the upper side and vertical side of the door frame and is a very important functional part on the car. The product precision of the door chute requires high precision. If the bending precision is low and it is installed on the door, it may not be able to slide with the door glass, or the sliding gap is too large. In the past, mold shaping was used, and the bending angle accuracy could not meet the requirements. , The opening of the product does not meet the accuracy requirements. Contents of the invention [0003] Aiming at the deficiencies of the prior art, the present invention provides a high-preci...
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IPC IPC(8): B21D5/06B21D43/00B21C51/00
CPCB21C51/00B21D5/06B21D43/003
Inventor 林国平邬剑琳
Owner 宁波江北盛亚机械有限公司