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A Gravity Adjustable Rolling Tool

A technology of gravity and tools, which is applied in the field of gravity-type adjustable rolling tools, can solve the problems of complex control system equipment and instruments, and achieve the effects of low cost, convenient manufacture and simple structure

Inactive Publication Date: 2012-02-08
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method can effectively ensure a constant rolling force, but requires a complex control system and expensive equipment and instruments

Method used

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  • A Gravity Adjustable Rolling Tool
  • A Gravity Adjustable Rolling Tool
  • A Gravity Adjustable Rolling Tool

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] This embodiment is carried out on a common lathe.

[0032] A gravity-type adjustable rolling tool is composed of a gravity reversing mechanism, a gravity traction mechanism and a roller-type rolling head.

[0033] Depend on figure 1 , 2 It can be seen that the gravity reversing mechanism is composed of three sets of fixed pulleys fixed on the end cover with square hole screws. The connection relationship is as follows: the three pulley frames 7 are fixed at intervals of 120 degrees along the circumferential direction of the end cover 18 through three square hole screws 4 and three nuts 5; Form three groups of fixed pulley mechanisms fixed on the end cover, and the direction of force can be changed by matching the three groups of fixed pulley mechanisms with the traction rope 11.

[0034] The gravity traction mechanism is composed of a heavy object suspension rope 13, a safety nut 14, a gravity traction ring 15, a traction rope 11, a sleeve 12, a thrust ring 17, a tra...

Embodiment 2

[0039] In this embodiment, on the basis of Embodiment 1, the roller-type rolling head is replaced with a ball-type rolling head, and the ball-type rolling head is fixed on the rolling shaft by three hexagon socket head cap screws 2 with a circumferential distance of 120 degrees. 20 on. The structure diagram of the ball rolling head is as follows: Figure 9 As shown, the ball rolling head is made up of a ball rolling head seat 36, a screw 37, a retaining cap 38, a small ball 39, a large ball 40, a rubber gasket 41 and a spring washer 42. Its connection form is as follows: Figure 10 As shown, a circle of small balls is installed along the bottom periphery of the stepped hole of the ball-type rolling head seat 36, and a large ball 40 is placed on the small ball. The stepped holes are equipped with rubber gaskets 41 and spring gaskets 42 in sequence. Install retaining cap 38 outside small ball 39, rubber washer 41 and spring washer 42, and be that retaining cap 38 is fixed on ...

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Abstract

The invention discloses a gravity-type adjustable rolling tool. The rolling tool is composed of a gravity reversing mechanism, a gravity traction mechanism, a roller-type rolling head or a ball-type rolling head; The pulley and matching traction rope achieve the purpose of reversing; the gravity traction mechanism generates a constant pulling force by hanging heavy objects, and uses the gravity reversing mechanism to convert the pulling force of the heavy object into rolling force on the workpiece; roller type rolling head or ball type The rolling head is fixedly connected to the rolling shaft in the gravity traction mechanism, and directly rolls the workpiece. Through these three mechanisms, the rolling tool can ensure constant rolling force when small or large fluctuations occur on the surface of the workpiece, and the rolling force can be changed conveniently and quickly by changing the weight of the suspended weight. The rolling tool has the advantages of simple structure, convenient manufacture and low cost, and can be directly clamped and used on a common lathe.

Description

technical field [0001] The invention relates to a rolling processing tool, in particular to a gravity-type adjustable rolling tool. Background technique [0002] Cutting usually has certain damage to the surface integrity of parts, such as rough surface, cracks, tensile residual stress, etc. Therefore, some key parts will be subjected to certain surface finishing and strengthening treatment after cutting. Rolling processing is a well-known one. This process uses high-hardness and smooth-surfaced balls, rollers or diamonds to press into the surface of the part with a depth of tens of microns, and at the same time, it rolls or slides relative to the part and applies a certain pressure. Make the surface of the workpiece with a depth of several hundred microns achieve plastic deformation, thereby modifying the microscopic geometry of the surface of the workpiece, reducing the surface roughness, and at the same time refining the metallographic structure of the surface layer of th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23P9/02
Inventor 夏伟唐正强李风雷周照耀赵婧
Owner SOUTH CHINA UNIV OF TECH
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