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Numerically-controlled precise thread rolling machine and multi-head lead screw for automobile

A multi-head screw and thread rolling machine technology, which is applied in applications, household appliances, mechanical equipment, etc., can solve the problems of difficult control, large error product defect rate, etc., and achieve simple control, synchronization and accurate positioning, and precision Processing effect

Inactive Publication Date: 2017-07-28
QINGDAO ZHANGSHI MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The above existing patent uses a main shaft and two auxiliary shafts to cooperate with each other to realize automatic angle adjustment. However, because the motor drives the two shafts to rotate continuously, the coupling transmits power to the main shaft, and the hydraulic cylinder feeds back and forth for processing. Straight teeth, three-axis does not repeat the positioning of the starting point and the end point, the error is large, the product defect rate is 70%, and it is not easy to control

Method used

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  • Numerically-controlled precise thread rolling machine and multi-head lead screw for automobile
  • Numerically-controlled precise thread rolling machine and multi-head lead screw for automobile
  • Numerically-controlled precise thread rolling machine and multi-head lead screw for automobile

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Embodiment Construction

[0028] In the following, the present invention will be specifically described through exemplary embodiments. It should be understood, however, that elements, structures and characteristics of one embodiment may be beneficially incorporated in other embodiments without further recitation.

[0029] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "inner", "outer", "upper", "lower", "front", "rear" etc. are based on the The positional relationship is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and should not be construed as indicating...

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Abstract

The present invention proposes a CNC precision thread rolling machine and a multi-head screw for automobiles. The invention includes a base and a workbench arranged on the base for processing the lead screw. The workbench is provided with a transmission unit for rolling the lead screw. The transmission unit is arranged on both sides of the lead screw, and a feed unit is arranged on one side of the workbench. The power output end of the feed unit is connected to one of the transmission units. The worktable is provided with a straight line for the feed unit to move linearly. Guide rail, the feed unit moves linearly on the linear guide rail, driving one of the transmission units to approach or move away from the other transmission unit. The present invention realizes three-axis interlocking and repeatable precise positioning, each axis performs differential compensation, small repeated positioning error, low product defect rate, simple control, and realizes the precision of multi-head screw processing.

Description

technical field [0001] The invention belongs to the field of thread rolling machines, in particular to a numerically controlled precision thread rolling machine. Background technique [0002] The thread rolling machine is a multi-functional cold extrusion forming machine tool. The thread rolling machine can process the thread, straight grain, and oblique grain rolling of the workpiece in a cold state within its rolling pressure range; straight teeth, helical teeth and helical spline gears rolling; straightening, reducing, rolling and various forming rolling. The machine has a safe and reliable electro-hydraulic execution and control system, allowing each working cycle to be selected from three modes: manual, semi-automatic and automatic. [0003] Chinese utility model patent CN 203791545 U discloses a thread rolling machine, the auxiliary shaft of the thread rolling machine is fixedly mounted with a first motor, one end of the first motor is provided with a first gear, and ...

Claims

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Application Information

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IPC IPC(8): B21H3/04F16H25/24
CPCB21H3/046F16H25/24
Inventor 张茂银张茂财张焕鑫张焕钰
Owner QINGDAO ZHANGSHI MACHINERY
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