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A Roller Reset Method for Roll Extrusion Forming Rollers with Variable Wall Thickness

A reset method and wall thickness-changing technology, which is applied to household appliances, hollow objects, and other household appliances, can solve problems such as the inability to quickly eliminate roller misalignment online, improve production efficiency and workpiece forming accuracy, and ensure continuity. The effect of reducing the difficulty of assembly and reset

Active Publication Date: 2020-07-28
ZHONGBEI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to simplify the reset method of roller extrusion for variable wall thickness cylinder parts, overcome the problem that the roller misalignment cannot be quickly eliminated online, so that the roller extrusion can work continuously and efficiently, thereby improving production efficiency and workpiece forming accuracy

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  • A Roller Reset Method for Roll Extrusion Forming Rollers with Variable Wall Thickness
  • A Roller Reset Method for Roll Extrusion Forming Rollers with Variable Wall Thickness
  • A Roller Reset Method for Roll Extrusion Forming Rollers with Variable Wall Thickness

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Embodiment Construction

[0017] A method for resetting rollers in roll extrusion forming of variable-wall-thickness cylinder parts disclosed by the present invention, see Figure 1-4 , the resetting method relates to a roll extrusion forming device for variable wall thickness cylindrical parts, the forming device includes a frame 1, an upper beam 16 of a hydraulic press, and two upper and lower layers of rolling mechanisms, and each layer of rolling mechanisms includes three rollers 4 , each roller shaft 5 corresponds to an independent reset device;

[0018] The resetting device includes a seat body 7, a wire rope 14, a first pulley 8, a second pulley 17, an extension spring 15, a limit plate 9, a baffle plate 10, a nut 11, a limit bolt 12 and a connecting bolt 6, and the seat body 7 is fixed. On the frame 1, the roller shaft 5 passes through the seat body 7 and sleeves the limit plate 9 and the second pulley 17, the position-changing baffle plate 10 is installed on the limit plate 9, and the seat bod...

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Abstract

The invention discloses a roller extrusion forming roller wheel resetting method of a variable-wall-thickness barrel part. The resetting method relates to a forming device. The forming device comprises an independent resetting device which corresponds to a roller wheel shaft. The resetting device comprises a baffle, a limiting bolt, a connecting bolt and a limiting plate. The method comprises thefollowing steps that after roller extrusion is completed, the baffle installed on the roller wheel shaft abuts against the limiting bolt, and a roller wheel is reset; when the roller wheel is staggered slightly, the nut is loosened, the contact length of the limiting bolt and the baffle is adjusted, and the staggering of the roller wheel is eliminated; and when the roller wheel is staggered to a certain extent, the connecting bolt of the baffle and limiting plate is loosened, the baffle is fixed again after the limiting plate is rotated, the nut is loosened, the contact length of the limitingbolt and baffle is adjusted, and the staggering of the roller wheel is eliminated. The roller extrusion resetting method of the variable-wall-thickness barrel part is simplified, realizes quick onlineelimination of roller wheel staggering if roller wheel staggering happens, realizes continuous and efficient roller extrusion work, and improves the production efficiency and the workpiece forming precision.

Description

technical field [0001] The invention relates to the technical field of metal precision plastic forming, in particular to a method for resetting roll extrusion forming rollers of variable-wall-thickness cylinder parts. Background technique [0002] Most of the cylindrical parts with variable wall thickness are made of high-strength alloy steel. The traditional production method adopts the "pressing-punching-extension" process to form a straight-walled cylinder, and then machine cutting to process different wall thicknesses, and the material utilization rate is extremely low. (Many products are less than 40%), the tool consumption is large, and the production cost is high. In addition, the method of powerful spinning can also form this kind of parts, but there are disadvantages such as many times of spinning, long production cycle, low production efficiency, and difficulty in releasing the cylinder from the mandrel after spinning. Therefore can't satisfy the multi-species, ma...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21D22/14B21D51/02
CPCB21D22/14B21D51/02
Inventor 张宝红徐健李旭斌赵熹胡缤魏椿雨张治民
Owner ZHONGBEI UNIV
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