Automatic advancing type polishing device for inner wall of pipe fitting

A technology of traveling and driving devices, which is applied in the direction of grinding/polishing safety devices, grinding machines, grinding/polishing equipment, etc. It can solve the problems of large size of grinding devices, inconvenient use, and low grinding efficiency, so as to improve efficiency, Effects of preventing contamination and improving accuracy

Inactive Publication Date: 2018-08-24
谭天宇
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The problem to be solved by the present invention is to solve the problem of automatic grinding of the inner wall of the pipe fitting by the grinding device in view of the defects of the prior art, and also solve the problems of low grinding efficiency and poor grinding accuracy existing in the prior art; and existing pipe fittings The inner wall grinding device has a large volume and is not convenient to use

Method used

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  • Automatic advancing type polishing device for inner wall of pipe fitting
  • Automatic advancing type polishing device for inner wall of pipe fitting
  • Automatic advancing type polishing device for inner wall of pipe fitting

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] An automatic traveling grinding device for the inner wall of a pipe fitting according to an embodiment of the present invention, such as figure 1 , figure 2 and image 3 As shown, it includes: a grinding drive device 1, several rotating grinding parts 2 and a traveling device. The grinding drive device 1 includes a driving motor 5, a driving bevel gear 6 and a bracket device, and the driving motor 5 and the driving bevel gear 6 are arranged on the bracket device. The driving motor 5 is used to drive the driving bevel gear 6 to rotate; in the present invention, in the specific application process, there are 3 rotating grinding parts 2, and the 3 rotating grinding parts 2 are evenly distributed on the center axis of the driving bevel gear 6. on the circumference of

[0030] The first bevel gear 7, the second bevel gear 8, the third bevel gear 9 and the grinding runner 10 are arranged on the rotary grinding part 2, the first bevel gear 7 meshes with the driving bevel ge...

Embodiment 2

[0038] Compared with Embodiment 1, Embodiment 2 is different in that the connection between the first bevel gear 7 and the second bevel gear 8 is a sleeve fitting connection, and a spring is provided in the sleeve, and the spring is used to connect the first bevel gear to the second bevel gear. The second bevel gear 8 is ejected outwards, and the adjustment of the spacing distance between the first bevel gear 7 and the second bevel gear 8 is realized by changing the compression amount of the spring, and the elastic force generated by the spring compression can provide the second bevel gear 8 1. The third bevel gear 9 and the grinding wheel 10 generate radial elastic force as a whole, and there is a certain extrusion between the grinding wheel 10 and the inner wall of the pipe to be polished, which is more conducive to improving the grinding effect and grinding accuracy. At the same time, the structure can The grinding device has self-adaptive ability, without manual adjustment,...

Embodiment 3

[0040] Compared with embodiment 1, the difference of embodiment 3 is that the number of rotating grinding parts 2 is set to four, that is, the four rotating grinding parts 2 are evenly distributed on the circumference with the central axis of the driving bevel gear 6 as the axis, The four rotating grinding parts 2 simultaneously grind the inner wall of the pipe fitting to be polished. At this time, the thread matching relationship between the lead screw 14 and the through hole of the lead screw can be changed to increase the pitch and increase the speed of the grinding device during the grinding process without affecting the grinding effect. ,higher efficiency.

[0041] In the actual use of the automatic traveling grinding device for the inner wall of the pipe fitting of the present invention, firstly, the lead screw 14 is passed through the pipe to be polished, fixed on the lead screw 14 through the through hole of the lead screw of the grinding device, and the grinding device...

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PUM

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Abstract

The invention discloses an automatic advancing type polishing device for the inner wall of a pipe fitting, and relates to the technical field of polishing tools. The automatic advancing type polishingdevice comprises a polishing driving device, a plurality of rotary polishing parts and an advancing device. The polishing driving device comprises a driving motor, a driving bevel gear and a bracketdevice. The rotary polishing parts are uniformly distributed on the circumference taking the center shaft of the driving bevel gear as the axis. The advancing device comprises a screw and a screw through hole formed in the bracket device. According to the automatic advancing polishing device, the polishing driving device drives the rotary polishing parts simultaneously, the whole polishing deviceis driven to automatically advance on the screw under the action of friction force between the rotary polishing parts and the inner wall of a to-be-polished pipe fitting, so that the polishing efficiency of the inner wall of the pipe fitting is greatly improved, and moreover, the polishing precision of the inner wall of the pipe fitting can be improved by increasing the quantity of the rotary polishing parts. The driving motor adopts a single-phase asynchronous motor, the forward and negative rotation of the motor can be frequently controlled, and the high-precision polishing is realized.

Description

technical field [0001] The invention relates to the technical field of grinding tools, in particular to an automatic traveling grinding device for inner walls of pipe fittings. Background technique [0002] At present, one type of steel pipe inner wall grinding equipment at home and abroad is the inner hole boring and grinding machine, which needs to replace different grinding heads when processing steel pipes with different apertures, and the equipment has high cost, many grinding head spare parts, and low productivity; the other is only For the internal and external grinding equipment of the steel pipe end, these two types of steel pipe inner wall grinding equipment have their own limitations; [0003] At present, most manufacturers mainly use manual grinding for the internal grinding of the pipe mouth, that is, the workers use electric or pneumatic grinding machines to grind the outer wall of the pipe first and then the inner wall, so the traditional and backward processi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24B5/40B24B5/35B24B55/06
CPCB24B5/40B24B5/35B24B55/06
Inventor 陈建丰
Owner 谭天宇
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