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Method for grinding helical burr on soft rubber roller and processing device

A grinding process and processing device technology, applied in the direction of thread cutting device, metal processing equipment, tangential feeding device, etc., can solve the problems of difficult thread turning, large elastic recovery, low thermal conductivity, etc., and achieve good processing quality and good resilience The effect of small size and high machining accuracy

Inactive Publication Date: 2009-05-20
BEIJING NANKOU RAILWAY TRANSIT MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the low hardness, low tensile strength, low thermal conductivity, high elongation and large elastic recovery of soft rubber rollers, it is extremely difficult to turn threads on soft rubber rollers.

Method used

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  • Method for grinding helical burr on soft rubber roller and processing device
  • Method for grinding helical burr on soft rubber roller and processing device
  • Method for grinding helical burr on soft rubber roller and processing device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] like image 3 , Figure 4 As shown, the present embodiment is to process positive and negative 20 threads on a soft rubber roller 12, so that the positive and negative threads of the soft rubber roller 12 are formed on the surface. Before grinding, connect the soft rubber roller 12 to the main shaft of the lathe through the mandrel 13, select the grinding wheel 11 that is the same as the thread profile 14 on the soft rubber roller 12, and install it, and press the handle on the tool box of the lathe to press the soft rubber roller 12 When the thread pitch is set properly, the machine can be driven for grinding. When grinding, the workpiece speed should be reasonably selected according to the diameter of the workpiece and the size of the thread lead. For example: when the thread lead of the workpiece is > 300mm, in order to facilitate the operation and the safety of the lathe mechanism, the lathe spindle should be decelerated to 2~5r / min, if the thread profile height o...

Embodiment 2

[0029] like Figure 5 , Image 6 As shown, in the present embodiment, the tooth profile 15, 16 of the thread on the soft rubber roller 12 is a shape in which the two ends are symmetrically inclined to the middle. Thread profile 15 (or 16) is corresponding, and then the handle on the lathe feed box is pulled by the requirement of pitch on soft rubber roller 12, can drive and grind. After the thread grinding at one end is completed, by adjusting the rotating plate 2 in reverse, adjust the deflection angle of the emery wheel 11 to the symmetrically inclined thread profile 16 (or 15) at the other end, and continue grinding.

Embodiment 3

[0031] like Figure 7 As shown, the present embodiment is to grind and process multiple (such as three but not limited to this) threads on a soft rubber roller 12 with a mandrel 13 ( Figure 7 It is a simplified diagram of a multi-start thread), and its installation and operation process are similar to those of the above-mentioned embodiments, so no further details are given.

[0032] Except that the present invention can be installed on the lathe to grind the thread on the soft rubber roller 12, it can also be installed on a thread grinder or a shovel lathe to perform the thread grinding operation. In the grinding operation of the present invention, an oil-free water-based cutting fluid can be used as a cooling fluid to prevent rubber from deforming due to oil, and generally dry grinding can be adopted.

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Abstract

The invention relates to a grinding and processing method for screw threads on a soft rubber roller and a processing device. The method is as follows: a main shaft of a machine tool drives the soft rubber roller to rotate, a grinding wheel for grinding the screw threads is arranged in the radial direction of the soft rubber roller at the same time, and the grinding wheel is fixed on a feeding device of the machine tool through a grinding head connected with the grinding wheel; and when the main shaft drives the soft rubber roller to rotate, the feeding device of the machine tool drives the grinding wheel to feed in the direction parallel to the direction of the main shaft, so as to grind and process the driven screw threads on the soft rubber roller. The device comprises a supporting plate on which a rotating plate is arranged, two semicircular arc grooves are arranged on the rotating plate, and a fastening bolt connected with the supporting plate is respectively arranged in the two semicircular arc grooves; and the rotating plate is provided with an electric motor, an output shaft of the electric motor is connected with a driving pulley which is connected with a driven pulley through a belt, the driven pulley coaxially drives a grinding head which is rotationally arranged in a grinding head sleeve fixedly supported on the rotating plate, and an extending end of the grinding head is connected with the grinding wheel. The method has the advantages of high processing efficiency and good processing quality, and can effectively solve problem of processing the screw threads of the soft rubber roller.

Description

technical field [0001] The invention relates to a thread processing method and processing device, in particular to a thread grinding method and processing device on a soft rubber roller. Background technique [0002] In the prior art, the thread on the soft rubber roller is generally processed by turning. Due to the low hardness, low tensile strength, low thermal conductivity, high elongation and large elastic recovery of soft rubber rollers, it is extremely difficult to turn threads on soft rubber rollers. Contents of the invention [0003] In view of the above problems, the object of the present invention is to provide a method and a processing device for grinding threads on a soft rubber roller with high processing efficiency and good processing quality. [0004] In order to achieve the above object, the present invention adopts the following technical solutions: a method for grinding threads on a soft rubber roller, which is to drive the soft rubber roller to rotate t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23G1/40B23G11/00
Inventor 郑文虎
Owner BEIJING NANKOU RAILWAY TRANSIT MACHINERY
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