Upper pinch device with adjustable pinch force
A technology of pinch force and pinch roller, which is applied in the field of upper pinch device, can solve the problems of lower precision, difficulty in installation and adjustment of slide plate, frequent filling of lubricating grease, etc.
Active Publication Date: 2015-09-23
XIANGYANG BOYA PRECISION IND EQUIP
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- Application Information
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Problems solved by technology
Due to the high installation accuracy requirements of the bearing seat, the installation and adjustment of the slide plate is difficult, and the lubricating grease is added frequently, the accuracy will be reduced after wear and tear, and it needs to be replaced regularly, which increases the maintenance and use cost
Method used
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Embodiment Construction
[0011] like figure 1 , figure 2 As shown, one end of the bearing block 16 of the pinch roller 17 of the present invention is connected with the overturning beam 18, and the overturning beam 18 is connected with the frame with a pin shaft 19 and a gasket-20, and the other end of the bearing block 16 is connected with the connecting rod 14 through the pin The shaft 15 is connected, and the connecting rod 14 is equipped with a gasket 2 12 and a disc spring 13 that can adjust the size of the pinch force. Screwed in the flange 11, on the adjusting screw 3, the upper part of the flange 11 is screwed with a lock nut 10, on the upper part of the adjusting screw 3, the top of the connecting rod 14 is equipped with a conical washer 8, and the spherical washer 7 is used for adjusting nuts 2 Press on the cone washer 8, the flange 11 is equipped with a scale 9, the connecting rod 14 is opened with an oil passage and a straight-through oil cup 1 is installed on the head.
[0012] Rotate...
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The invention discloses an upper pitch device capable of adjusting a pitching force, which is used for regulating the pitching force of a quick opening roller straightener. One end of a pitch roll bearing block is connected with a turning transverse beam; the turning transverse beam and a machine frame are connected by a pin shaft and gasket, and the other end of the bearing block is connected with a connecting rod by a pin shaft; the connecting rod is provided with a gasket and a disc spring capable of adjusting the pitching force; a flange and a sleeve are fixed on the machine frame by connecting nuts and double-headed screws; an adjusting screw is screwed in the flange; locking nuts are screwed on the adjusting screw and the flange; gaskets with conical surfaces are arranged on the upper part of the adjusting screw and the top of the connecting rod; spherical gaskets are tightly pressed onto the gaskets with the conical surfaces by adjusting nuts; the flange has a scale; and an oil channel is formed in the connecting rod, and a straight oil cup is arranged on the head part of the connecting rod. In the invention, the linear sliding of the upper pitch bearing block is changed into swinging, an air cylinder or hydraulic cylinder is removed, an adjustable elastic force is generated by the disc spring, the elastic force of the disc spring is amplified into a pitching force based on the lever principle, the upper pitch device is applicable to plates with different thickness, and manual adjustment is not needed.
Description
technical field [0001] The invention relates to the technical field of metallurgy, in particular to an upper pinch device with adjustable pinch force for a quick-opening roller leveler. Background technique [0002] In the modern metallurgical industry, the pinch device is widely used, and used in conjunction with different equipment, it can play the role of belt threading, steering, forming tension, supporting rollers, etc. On roller levelers, pinch devices improve bite conditions. [0003] The common structure of the pinch device is that the lower pinch is fixed, and the upper pinch uses an air cylinder or hydraulic cylinder to generate clamping force with the lower pinch roller. And the existing upper pinch device mainly has the following defects: [0004] 1. Air pressure or hydraulic control is adopted. The pinch device needs constant pressure during work, and the sealing requirements for the entire pipeline are high, and the pressure is constant, so the pinch force ca...
Claims
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IPC IPC(8): B21D43/09B21D1/02
Inventor 陈亮胡杰李文喜王朝襄
Owner XIANGYANG BOYA PRECISION IND EQUIP