CN202894504U - Self positioning scraping knife - Google Patents

Self positioning scraping knife Download PDF

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Publication number
CN202894504U
CN202894504U CN 201220656435 CN201220656435U CN202894504U CN 202894504 U CN202894504 U CN 202894504U CN 201220656435 CN201220656435 CN 201220656435 CN 201220656435 U CN201220656435 U CN 201220656435U CN 202894504 U CN202894504 U CN 202894504U
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China
Prior art keywords
blade
knife
scraping
rod
hole
Prior art date
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Active
Application number
CN 201220656435
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Chinese (zh)
Inventor
袁明
车延超
高岩
史云鹏
乔义明
于洪亮
刘滨刚
郁洪光
白玉春
于军丹
何继岩
尤健
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Harbin Turbine Co Ltd
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Harbin Turbine Co Ltd
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Publication date
Application filed by Harbin Turbine Co Ltd filed Critical Harbin Turbine Co Ltd
Priority to CN 201220656435 priority Critical patent/CN202894504U/en
Application granted granted Critical
Publication of CN202894504U publication Critical patent/CN202894504U/en
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Abstract

The utility model relates to a self positioning scraping knife, which belongs to the field of equipment processing and solves the problems that each time when the existing scraping knife is used for processing hole scraping surface, a scraping knife blade needs to be positioned on a knife rod again, the work efficiency is low, errors generated by repeated measurement for many times are greater, and the processing precision is influenced. The self positioning scraping knife comprises a knife blade, a scraping knife rod and a threaded rod, wherein the scraping knife rod is a straight rod, a scraping knife hole penetrates through the side surface of the scraping knife rod, the knife blade is arranged in a way of penetrating through the scraping knife hole, the knife edge part of the knife blade is arranged at the outer side of the cutter rod, the upper end surface of the scraping knife rod is provided with a threaded hole, the threaded hole is communicated with the scraping knife hole, the threaded rod is connected with the threaded hole arranged at the upper end of the scraping knife rod through screw threads, in addition, the threaded rod is tightly propped on the upper end of the knife blade, the lower end of the cutter blade is also provided with a cutter rod groove, the inner wall at the lower side of the scraping knife hole is clamped in the cutter rod groove, the lower side inner wall of the scraping knife hole arranged in the scraping knife rod is tightly propped against the bottom of the knife rod groove, and the width of the knife rod groove is identical to the depth of the scraping knife hole. The self positioning scraping knife is used for hole scrapping surface processing.

Description

A kind of self-align scraper
Technical field
The utility model relates to a kind of self-align scraper, belongs to the equipment manufacture field.
Background technology
Society, because the continuous progress of science and technology, various device also improves constantly the requirement of machining accuracy, adds man-hour through hole is carried out shaving, also need more accurate location and processing, present stage, each hole shaving needs scraping cutter bar is stretched in the hole, wing is contained on the scraping cutter bar again, the distance that measurement and adjustment wing stretch out guarantees the size of shaving, after finishing, pull down wing, withdraw from scraping cutter bar.Next each hole shaving repeats above-mentioned steps.Because the tolerance of various parts is constantly strict, wing needs to guarantee with the distance that the kind of calliper wing stretches out the size of shaving, all needs again centering such as above-mentioned method wing at every turn, and centering is measured very time-consuming, inefficiency.
The utility model content
The utility model all need to be reorientated at knife bar for solving existing scraper wing when each machining hole shaving, inefficiency, and repeatedly the error that produces of duplicate measurements is larger, affects the problem of machining accuracy.
For solving the problems of the technologies described above, the technical scheme of taking provides a kind of self-align scraper, described self-align scraper comprises blade, scraping cutter bar and threaded rod, described scraping cutter bar is straight-bar, scrape the side of tool bore perforation scraping cutter bar, described blade runs through scrapes the tool bore setting, the knife edge part of blade is arranged on the knife bar outside, the upper surface of scraping cutter bar has screwed hole, screwed hole with scrape tool bore and connect, the screwed hole of threaded rod and scraping cutter bar upper end is threaded and threaded rod holds out against upper end at blade, it is characterized in that: the lower end of described blade also has the knife bar groove, scrape tool bore downside inwall and be stuck in the knife bar groove, the downside inwall in scraping cutter bar upper blade hole holds out against in the bottom of knife bar groove, and the width of knife bar groove is identical with the depth dimensions of scraping tool bore.
The utility model compared with prior art has following beneficial effect: self-align wing provided by the utility model adopts disposable location, only need install blade before later every task and get final product, and does not need repeatedly to locate, and has greatly improved working (machining) efficiency; Simultaneously, repeatedly the error that produces of duplicate measurements is larger, but also Effective Raise machining accuracy of the utility model.
Description of drawings
Fig. 1 is sectional view of the present utility model, and Fig. 2 is the front view of scraping cutter bar 2, and Fig. 3 is the left view of Fig. 2, and Fig. 4 is the top view of Fig. 3, and Fig. 5 is the structural representation of blade 1, and Fig. 6 is the front view of blade 1, and Fig. 7 is the top view of Fig. 6, and Fig. 8 is the left view of Fig. 6.
The specific embodiment
The specific embodiment one: in conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7 and Fig. 8 illustrate present embodiment, the described self-align scraper of present embodiment comprises blade 1, scraping cutter bar 2 and threaded rod 3, described scraping cutter bar 2 is straight-bar, scrape the side of tool bore 2-2 perforation scraping cutter bar 2, described blade 1 runs through scrapes tool bore 2-2 setting, the knife edge part of blade 1 is arranged on the knife bar outside, the upper surface of scraping cutter bar 2 has screwed hole 2-1, screwed hole 2-1 with scrape tool bore 2-2 and connect, threaded rod 3 is threaded with the screwed hole 2-1 of scraping cutter bar 2 upper ends and threaded rod 3 holds out against upper end at blade 1, it is characterized in that: the lower end of described blade 1 also has knife bar groove 1-1, scraping tool bore 2-2 downside inwall is stuck in the knife bar groove 1-1, the downside inwall of scraping cutter bar 2 upper blade hole 2-2 holds out against in the bottom of knife bar groove 1-1, and the width of knife bar groove 1-1 is identical with the depth dimensions of scraping tool bore 2-2.
The specific embodiment two: present embodiment is described in conjunction with Fig. 1, Fig. 5 and Fig. 6, present embodiment: place, two right angles also has half slot 1-2 about knife bar groove 1-1 bottom, so arrange, knife bar groove 1-1 and scraping cutter bar connect timing, the two is not interfered at the place, right angle, bottom of knife bar groove 1-1, assurance knife bar groove 1-1 and scraping cutter bar fully connect joins, and other compositions and annexation are identical with the specific embodiment one.
The specific embodiment three: in conjunction with Fig. 1, Fig. 5 and Fig. 6 illustrate present embodiment, the described blade 1 of present embodiment is rectangular flat, blade about in the of 1 both ends of the surface be parallelogram, each face of other of blade 1 is rectangle, the left side of blade 1 upper surface has left side slope 1-3-1, left side slope 1-3-1 arranges downwards by front receding, the upper left corner of blade 1 front end face has left side chip pocket 1-4-1, chip pocket 1-4-1 is identical with slope, left side 1-3-1 length in the horizontal direction in the left side, also have slope, right side 1-3-2 and right side chip pocket 1-4-2 on the right side of blade 1 upper surface and the upper right corner of rear end face, described left side slope 1-3-1 and slope, right side 1-3-2 and left side chip pocket 1-4-1 and respectively axial symmetry setting centered by the central axis of scraping cutter bar 2 of right side chip pocket 1-4-2, the front end of left side slope 1-3-1 and the rear end of slope, right side 1-3-2 are blade, so arrange, be convenient to blade 1 and realize machining functions, other composition and annexation are identical with the specific embodiment one.
The specific embodiment four: in conjunction with Fig. 1, Fig. 5 and Fig. 6 present embodiment is described, present embodiment: described knife bar groove 1-1 is opened in the centre position of blade 1 bottom surface, and other composition and annexation are identical with the specific embodiment three.
The specific embodiment five: present embodiment is described in conjunction with Fig. 1, Fig. 2 and Fig. 3, present embodiment: described to scrape tool bore 2-2 be rectangular through-hole and scrape tool bore 2-2 axial symmetry setting centered by the central axis of scraping cutter bar 2, the blade of blade 1 upper left side slope 1-3-1 front end and the blade of 1-3-2 rear end, slope, right side are symmetricly set on respectively the both sides of scraping cutter bar 2, so arrange, two blades of blade 1 can be worked simultaneously, improve working (machining) efficiency, other compositions and annexation are identical with the specific embodiment four.
The specific embodiment six: in conjunction with Fig. 1 present embodiment is described, the upper end of the described threaded rod 3 of present embodiment is fixedly connected with nut 4, so arranges, and is convenient to screw and unscrews threaded rod 3, and other composition and annexation are identical with the specific embodiment one.
The specific embodiment seven: present embodiment is described in conjunction with Fig. 1, Fig. 2 and Fig. 3, bottom and the side of the described knife bar groove of present embodiment 1-1 are the plane, so arrange, guarantee that blade 1 location is more accurate, other composition and annexation are identical with the specific embodiment one.
The specific embodiment eight: in conjunction with Fig. 1, Fig. 2 and Fig. 3 present embodiment is described, the described scraping cutter bar 2 of present embodiment is cylindrical, and other composition and annexation are identical with the specific embodiment one.
Operation principle:
During work, blade 1 is installed on the scraping cutter bar 2, the downside inwall of scraping cutter bar 2 upper blade hole 2-2 holds out against the bottom at blade 1 lower end knife bar groove 1-1, screw threaded rod 3, blade 1 is held out against scraping on the tool bore 2-2 at scraping cutter bar 2, realize scraper to the processing of through-hole wall shaving by scraping cutter bar 2 with the rotation of terminal knife edge on the cutting blade 1, adjust scraping cutter bar 2 changes through hole along the position of scraping cutter bar 2 axis directions shaving position.

Claims (8)

1. self-align scraper, described self-align scraper comprises blade (1), scraping cutter bar (2) and threaded rod (3), described scraping cutter bar (2) is straight-bar, scrape the side of tool bore (2-2) perforation scraping cutter bar (2), described blade (1) runs through scrapes tool bore (2-2) setting, the knife edge part of blade (1) is arranged on the knife bar outside, the upper surface of scraping cutter bar (2) has screwed hole (2-1), screwed hole (2-1) with scrape tool bore (2-2) and connect, the screwed hole (2-1) of threaded rod (3) and scraping cutter bar (2) upper end is threaded and threaded rod (3) holds out against upper end in blade (1), it is characterized in that: the lower end of described blade (1) also has knife bar groove (1-1), scraping tool bore (2-2) downside inwall is stuck in the knife bar groove (1-1), the downside inwall in scraping cutter bar (2) upper blade hole (2-2) holds out against in the bottom of knife bar groove (1-1), and the width of knife bar groove (1-1) is identical with the depth dimensions of scraping tool bore (2-2).
2. described a kind of self-align scraper according to claim 1, it is characterized in that: place, two right angles also has half slot (1-2) about knife bar groove (1-1) bottom.
3. described a kind of self-align scraper according to claim 1, it is characterized in that: described blade (1) is rectangular flat, blade (1) up and down both ends of the surface is parallelogram, other each faces of blade (1) are rectangle, the left side of blade (1) upper surface has slope (1-3-1), left side, slope, left side (1-3-1) arranges downwards by front receding, the upper left corner of blade (1) front end face has left side chip pocket (1-4-1), left side chip pocket (1-4-1) is identical with slope, left side (1-3-1) length in the horizontal direction, also have right side skewed slot (1-3-2) and right side chip pocket (1-4-2) on the right side of blade (1) upper surface and the upper right corner of rear end face, slope, described left side (1-3-1) and right side skewed slot (1-3-2) and left side chip pocket (1-4-1) and respectively axial symmetry setting centered by the central axis of blade (1) of right side chip pocket (1-4-2), the rear end of the front end of slope, left side (1-3-1) and slope, right side (1-3-2) is blade.
4. described a kind of self-align scraper according to claim 1, it is characterized in that: described knife bar groove (1-1) is opened in the centre position of blade (1) bottom surface.
5. described a kind of self-align scraper according to claim 1, it is characterized in that: the described tool bore (2-2) of scraping is rectangular through-hole and scrape tool bore (2-2) axial symmetry setting centered by the central axis of scraping cutter bar (2), and the blade of the blade of blade (1) upper left side slope (1-3-1) front end and rear end, slope, right side (1-3-2) is symmetricly set on respectively the both sides of scraping cutter bar (2).
6. described a kind of self-align scraper according to claim 1, it is characterized in that: the upper end of described threaded rod (3) is fixedly connected with nut (4).
7. described a kind of self-align scraper according to claim 1, it is characterized in that: bottom and the side of described knife bar groove (1-1) are the plane.
8. described a kind of self-align scraper according to claim 1, it is characterized in that: described scraping cutter bar (2) is for cylindrical.
CN 201220656435 2012-12-03 2012-12-03 Self positioning scraping knife Active CN202894504U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220656435 CN202894504U (en) 2012-12-03 2012-12-03 Self positioning scraping knife

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220656435 CN202894504U (en) 2012-12-03 2012-12-03 Self positioning scraping knife

Publications (1)

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CN202894504U true CN202894504U (en) 2013-04-24

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104227144A (en) * 2014-09-26 2014-12-24 哈尔滨汽轮机厂有限责任公司 Double-edge double-positioning scraper blade for scraping low-pressure inner cylinder through hole of steam turbine
CN107984035A (en) * 2017-12-12 2018-05-04 上海江南长兴造船有限责任公司 A kind of row of scraping for fitting-up bolt plane scraping

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104227144A (en) * 2014-09-26 2014-12-24 哈尔滨汽轮机厂有限责任公司 Double-edge double-positioning scraper blade for scraping low-pressure inner cylinder through hole of steam turbine
CN107984035A (en) * 2017-12-12 2018-05-04 上海江南长兴造船有限责任公司 A kind of row of scraping for fitting-up bolt plane scraping

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