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A digital bending machine oil cylinder

A bending machine, digital technology, applied in the direction of fluid pressure actuation device, etc., can solve the problems of complex structure, difficult processing of piston rod, difficulty in ensuring matching accuracy, etc., and achieve the effect of simple, reliable and high precision system

Active Publication Date: 2018-08-24
MAANSHAN YUHUA MACHINERY MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The oil cylinder has the disadvantages of complex structure, difficult machining of the piston rod, and difficult guarantee of matching accuracy

Method used

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  • A digital bending machine oil cylinder
  • A digital bending machine oil cylinder
  • A digital bending machine oil cylinder

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] The invention relates to a digital bending machine oil cylinder, which includes an oil circuit component, an oil cylinder, and a transmission component; the oil circuit component communicates with the oil cylinder, and the transmission component is arranged in the oil cylinder and the oil circuit component.

Embodiment 2

[0020] The oil circuit components described in the oil cylinder of the digital bending machine of the present invention include a spool valve, the spool valve includes a spool valve body 15, a spool valve core 11, and the oil cylinder includes an oil cylinder body 4, an oil cylinder piston rod 2, and a guide sleeve 1, The transmission part includes a ball screw 3, a ball screw nut 5, a coupling 12, a connecting flange 13, a servo motor 14, and a connecting rod 18; the servo motor 14 is fixedly connected to the slide valve body 15 through the flange 13 Above, the spool valve body 15 is fixed on the right end of the oil cylinder block 4, and the guide sleeve 1 is fixedly connected to the left end of the oil cylinder block 4; the main shaft of the servo motor 14 is connected to the spool valve core 11 through the coupling 12; one end of the connecting rod 18 is threaded It is connected with the valve core 11, and the other end is connected with the ball screw 3 through a spline; o...

Embodiment 3

[0022] The oil cylinder of the digital bending machine of the present invention also includes a sealing sleeve 10; the sealing sleeve 10 is sleeved on the connecting rod 18, fixed on the slide valve body 15 by screws, and pressed tightly on the end surface of the threaded section of the connecting rod 18.

[0023] The function of the sealing sleeve 10 is: because it is tightly pressed on the end surface of the threaded section of the connecting rod 18, so that the connecting rod 18 has no room for axial movement, so it can only rotate, that is to say, the spool of the spool drives its thread through the thread. turn.

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PUM

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Abstract

The invention discloses a novel digital bending machine oil cylinder which comprises an oil way part, an oil cylinder system and a transmission part. The oil way part comprises a slide valve which comprises a slide valve body and a slide valve core; the oil cylinder system comprises an oil cylinder system body, an oil cylinder system piston rod and a guide sleeve, and the transmission part comprises a ball screw, a ball screw nut, a coupling, a connecting flange, a servo motor and a connecting rod; the servo motor is fixedly connected to the slide valve body through the flange, the slide valve body is fixed to the right end of the oil cylinder system body, and the guide sleeve is fixedly connected to the left end of the oil cylinder system body; a spindle of the servo motor is connected with the slide valve core through the coupling; one end of the connecting rod is connected with the valve core through a thread, and the other end of the connecting rod is connected with the ball screw through a spline; one end of the ball screw is located in a hole of the piston rod, the middle of the ball screw is in threaded fit with the ball screw nut fixed to the piston rod, and the other end of the ball screw is connected with the connecting rod. The novel digital bending machine oil cylinder is simple in structure, reliable in operation and high in precision.

Description

technical field [0001] The invention relates to the field of machine tools, in particular to an oil cylinder of a digital bending machine. Background technique [0002] At present, the main structure of the bending machine oil cylinder is that the piston rod is processed into a hollow shape. The hollow piston rod is equipped with an adjusting screw. One end of the screw is a trapezoidal thread pair, and the other end is connected to the worm wheel through the thread to form a worm gear pair. The worm is connected to the motor. The stroke of the bending machine oil cylinder is adjusted through the cooperation of the worm gear pair and the trapezoidal thread pair. The oil cylinder has the disadvantages of complex structure, difficult machining of the piston rod, and difficult guarantee of matching precision. Contents of the invention [0003] The problem to be solved by the present invention is to provide a digital bending machine oil cylinder, which has a simple structure,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F15B15/14F15B15/20
CPCF15B15/14F15B15/1423F15B15/202
Inventor 聂金顺
Owner MAANSHAN YUHUA MACHINERY MFG