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Adjustable groove scraping tool

An adjustable and groove-scraping technology, applied in the field of groove-scraping tools, can solve the problems of delayed production cycle, repairing groove-scraping devices, expensive imported tools, etc., and achieves the effects of low cost, accurate adjustment and simple manufacturing process.

Active Publication Date: 2011-04-06
HARBIN BOILER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002]Due to the fact that the expansion joint structure of scientific research boilers and chemical container products has become more and more common in recent years, and the requirements have become more and more stringent, sometimes frequent repairs are required for various reasons Scraper, delayed production cycle
The purchase of imported tools is more expensive, and each set costs 20,000 to 30,000 yuan

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] An adjustable scraping tool, which consists of: a tapered handle 1, the tapered handle 1 is connected with a knife rod 3 with a spring 2, and one end of the knife rod 3 is equipped with a grooving knife 4. The taper shank 1 and the knife rod 3 are covered with a sleeve 5, one end of the sleeve 5 is connected to the adjusting nut 6, the sleeve 5 is connected to the bush retainer 7, and the bush retainer 7 The stop ring 8 and the bearing 9 are connected, the taper shank 1 is connected to the lock nut 10 , and the other end of the sleeve 5 is connected to the copper sleeve 11 and the retaining ring 12 .

[0019] The adjustable scraping tool is equipped with a guide key 13 at the joint between the tapered handle 1 and the knife bar 3, and a key 14 is installed between the knife bar and the sleeve, Fix 15 with screw between described knife bar and described sleeve, described spring is contained in the other end of knife bar, and described grooving knife is fixed with big scr...

Embodiment 2

[0022] For the adjustable scraping tool described in Example 1, when the aperture of the product is greater than φ30.2mm, the front end of the tool bar of the scraping tool extends into a section of the product hole and a copper sleeve is installed to play a guiding role. The material of the copper sleeve is H62 , to avoid scratching the processed inner wall, and the tolerance requirements are strict, and the processing must be in place.

Embodiment 3

[0024] For the adjustable scraping tool described in Example 1, in order to process the annular groove, the tool rod and the taper handle are designed to have a deviation of 2mm or 3mm, and the parallelism must be ensured after installation.

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Abstract

The invention discloses an adjustable groove scraping tool. Because researched boilers and chemical container product expansion joint structures are increasingly commonly used and the requirements are increasingly strict, groove scrapers are frequently repaired for a variety of reasons, and the production period is delayed. The adjustable groove scraping tool comprises a taper shank (1); the taper shank is connected with a tool bar (3) with a spring (2); one end of the tool bar is provided with a slotting tool (4); a sleeve (5) is sleeved outside the taper shank and the tool bar; one end of the sleeve is connected with an adjusting nut (6); the sleeve is connected with a bush retainer (7); the bush retainer is connected with a stop collar (8) and a bearing (9); the taper shank is connected with a locking nut (10); and the other end of the sleeve is connected with a copper sleeve (11) and a retainer ring (12). The invention is used for the groove scraping tool.

Description

Technical field: [0001] The invention relates to a novel groove scraping tool; in particular, it relates to an adjustable groove scraping tool. Background technique: [0002] In recent years, as the expansion joint structure of scientific research boilers and chemical container products has become more and more common, and the requirements have become more and more stringent, sometimes the scraper needs to be repaired frequently for various reasons, which delays the production cycle. The purchase of imported tools is more expensive, and each set costs 20,000 to 30,000 yuan. Therefore, it has always been an urgent demand in the same industry to design and manufacture an adjustable scraping tool with equivalent functions. Invention content: [0003] The purpose of this invention is to process an annular groove with a specified aperture as an example. It can not only meet the needs of fine-tuning due to the tolerance of the wall thickness of the header or drum, but also meet...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23D79/04
Inventor 曲郁禅蔡延斌赵继忠王革陈凤娟卢真玲刘金波
Owner HARBIN BOILER
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