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A Differential Gear Train—Plane Spiral Bar Thermal Shearing Mechanism

A differential gear train and thermal shearing technology, which is applied in the direction of shearing devices, shearing machine accessories, metal processing equipment, etc., can solve the problems of material waste and low forging production efficiency, and achieve high material utilization and production efficiency. The effect of high efficiency and simple structure

Active Publication Date: 2017-06-23
NINGBO UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in actual production, the end shape of the bar is generally processed by cutting or forging, and the waste still exists during cutting, and the production efficiency of forging is relatively low, so the current methods cannot meet the production requirements well. And there is a lot of material waste

Method used

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  • A Differential Gear Train—Plane Spiral Bar Thermal Shearing Mechanism
  • A Differential Gear Train—Plane Spiral Bar Thermal Shearing Mechanism
  • A Differential Gear Train—Plane Spiral Bar Thermal Shearing Mechanism

Examples

Experimental program
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Effect test

Embodiment 1

[0022] Embodiment 1: As shown in the figure, a differential gear train-plane spiral bar thermal shearing mechanism includes a material placement platform 1 and a bar clamping device for horizontally installing a heated bar 100. The upper end of the material platform 1 is provided with a concave lower V-shaped groove 11 for horizontally placing the heated bar 100. The bar clamping device includes a pressing plate 2 and a vertically fixed first hydraulic cylinder 3. The pressing plate 2 is located at Above the material platform 1, the lower end surface of the pressing plate 2 is provided with a concave upper V-shaped groove 21 corresponding to the lower V-shaped groove 11, and the drive shaft of the first hydraulic cylinder 3 is fixedly connected with the pressing plate 2 for The pressing plate 2 is driven to move up and down, and one side of the material placement platform 1 is provided with a thermal shearing device for cutting the bar 100 while processing the end of the heated...

Embodiment 2

[0023]Embodiment 2: As shown in the figure, a differential gear train-plane spiral bar thermal shearing mechanism, including a horizontally arranged return cylinder 10, and a material placement platform 1 for horizontally installing heated bar 100 And the bar clamping device, the upper end of the material placement platform 1 is provided with a concave lower V-shaped groove 11 for horizontally placing the heated bar 100, and the bar clamping device includes a pressing plate 2 and a vertically fixed first The hydraulic cylinder 3, the pressure plate 2 is located above the material placement platform 1, the lower end surface of the pressure plate 2 is provided with a concave upper V-shaped groove 21 corresponding to the lower V-shaped groove 11, the drive shaft of the first hydraulic cylinder 3 It is fixedly connected with the pressing plate 2, and is used to drive the pressing plate 2 to move up and down. One side of the feeding platform 1 is provided with a thermal shearing dev...

Embodiment 3

[0024] Embodiment 3: As shown in the figure, a differential gear train-plane spiral bar thermal shearing mechanism includes a material placement platform 1 and a bar clamping device for horizontally installing a heated bar 100. The upper end of the material platform 1 is provided with a concave lower V-shaped groove 11 for horizontally placing the heated bar 100. The bar clamping device includes a pressing plate 2 and a vertically fixed first hydraulic cylinder 3. The pressing plate 2 is located at Above the material platform 1, the lower end surface of the pressing plate 2 is provided with a concave upper V-shaped groove 21 corresponding to the lower V-shaped groove 11, and the drive shaft of the first hydraulic cylinder 3 is fixedly connected with the pressing plate 2 for The pressing plate 2 is driven to move up and down, and one side of the material placement platform 1 is provided with a thermal shearing device for cutting the bar 100 while processing the end of the heated...

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PUM

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Abstract

The invention discloses a differential gear train-flat spiral type hot shearing mechanism for bars. The mechanism is characterized by comprising a material placing platform and a bar clamping device, wherein the material placing platform is used for installing heated bars horizontally; a hot shearing device is arranged on one side of the material placing platform and comprises a supporting frame, a motor, a main shaft, a planet carrier body and a sun gear; the main shaft is connected with the supporting frame in a shaft mode and coaxially and fixedly connected with a driving shaft of the motor; the sun gear is located in the planet carrier body; a differential gear component is arranged between the spindle and a whole body formed by the planet carrier and the sun wheel; two planet gears which are symmetric with respect to the sun gear are connected in a shaft mode in the planet carrier body; the planet gears are engaged with the sun gear; a flat spiral mechanism is arranged between each planet gear and the planet carrier body; and a forming cutter is arranged on each flat spiral mechanism. The differential gear train-flat spiral type hot shearing mechanism for bars has the advantages as follows: bars are sheared off, and at the same time, end portions of heated bars are compressed and deformed, so that specific shapes such as cone shapes, truncated cone shapes, and arc shapes are formed; original bars of high quality are provided for cross wedge endless rolling; and the material utilization rate and the production efficiency are high, and the structure of the whole mechanism is simple.

Description

technical field [0001] The present invention relates to the thermal forming mechanism of the end of the bar in the field of plastic forming and mechanical processing, in particular to a differential gear train for processing the end of the heated bar into a specific shape—plane spiral bar thermal shearing mechanism. Background technique [0002] During the cross wedge rolling forming process, the irregular flow of the metal will cause concavities to appear at both ends of the rolled piece when it is finally formed, and the concavities must be cut off as waste heads, which leads to the general yield rate of the cross wedge rolling process. Below 85%. The original billet of the rolled piece is usually a cylindrical rod. Changing the shape of the end of the bar, such as processing the end of the bar into a conical, frustum-shaped, arc-shaped, etc., can greatly improve the utilization rate of the rolled material. It is currently the most effective and most versatile process fo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23D33/00
CPCB23D33/00
Inventor 王英束学道李子轩周子荣位杰
Owner NINGBO UNIV