CN107855612B - Ensure pipe body excircle and Manual scraper with inner hole coaxiality - Google Patents
Ensure pipe body excircle and Manual scraper with inner hole coaxiality Download PDFInfo
- Publication number
- CN107855612B CN107855612B CN201711291546.7A CN201711291546A CN107855612B CN 107855612 B CN107855612 B CN 107855612B CN 201711291546 A CN201711291546 A CN 201711291546A CN 107855612 B CN107855612 B CN 107855612B
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- Prior art keywords
- guide
- hole
- fixed
- scraper
- fixed support
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- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 230000006978 adaptation Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 claims 1
- 239000011148 porous material Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 7
- 230000000149 penetrating effect Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000003044 adaptive effect Effects 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D79/00—Methods, machines, or devices not covered elsewhere, for working metal by removal of material
- B23D79/02—Machines or devices for scraping
- B23D79/08—Hand scraping-implements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
- Fishing Rods (AREA)
Abstract
The invention discloses a manual scraper for ensuring coaxiality of an outer circle and an inner hole of a pipe body, which comprises a fixed support, wherein a guide rod is arranged on the fixed support in a penetrating manner and can slide up and down, a guide part matched with a fixed seat is arranged on the guide rod, a positioning part matched with the hole wall of the pipe body is arranged at the lower end of the guide part in a downward extending manner, a limiting step is arranged between the guide part and the positioning part, a cutter holder structure capable of transversely sliding and matched with the guide rod is arranged at the bottom of the fixed support, a scraper capable of being matched with the positioning part is arranged on the cutter holder structure, and a positioning structure for vertically positioning the guide rod is arranged on the fixed support. The invention has reasonable structural design, can rapidly solve the problem of out-of-coaxiality of the outer circle of the guide pipe hole of the cylinder cover, has simple process, can finish the processing work without consuming too much resources, has simple operation, is easy to realize the structure and has low manufacturing cost.
Description
Technical Field
The invention relates to the field of engine accessories, in particular to a manual scraper for ensuring coaxiality of an outer circle and an inner hole of a pipe body.
Background
The design of cylinder heads generally requires that: and the coaxiality requirement of the guide pipe hole at the outlet of the valve guide pipe in the direction of the top surface of the cylinder cover and the excircle of the guide pipe is met. And after the guide pipe is pressed on the cylinder cover, only the guide pipe hole is processed, and the outer circle of the guide pipe is not processed, so that the condition that the coaxiality of the guide pipe hole and the outer circle of the guide pipe is out of range exists, and the special coaxiality check rod cannot pass through the out-of-range coaxiality check rod. The existing method for solving the problem that the coaxiality of the guide pipe hole and the outer circle of the guide pipe is out of tolerance comprises the following steps: and (3) detecting the coaxiality of the guide pipe hole and the outer circle of the guide pipe by using a special detecting rod by 100 percent, removing the guide pipe which does not pass through the detecting rod, re-pressing a new guide pipe, and re-processing the guide pipe hole, namely re-processing. The reworking process is complicated, consumes large manpower resources and has low efficiency. Coaxiality after reworking is not always ensured to meet the design requirement of the drawing, and the risk of knocking and damaging the cylinder cover is increased in the reworking process.
Disclosure of Invention
The invention aims to solve the technical problems of the prior art, and aims to provide the manual scraper which is simple to operate, easy to realize in structure and low in manufacturing cost and ensures coaxiality of the excircle and the inner hole of the storage body.
In order to achieve the above purpose, the invention provides a manual scraper for ensuring coaxiality of an outer circle and an inner hole of a pipe body, which comprises a fixed bracket, wherein a guide rod is arranged on the fixed bracket in a penetrating way and can slide up and down, a guide part matched with a fixed seat is arranged on the guide rod, a positioning part matched with the hole wall of the pipe body is arranged at the lower end of the guide part in a downward extending way, the guide part and the positioning part are provided with limiting steps, the bottom of the fixing support is provided with a cutter holder structure which can transversely slide and is adaptive to the guide rod, the cutter holder structure is provided with a scraper which can be adaptive to the positioning part, and the fixing support is provided with a positioning structure for vertically positioning the guide rod.
Further, one end of the fixing support is provided with a guide hole matched with the guide part, the fixing support is provided with a chute extending to one side of the guide hole, the chute is provided with a bolt structure connected with the tool holder structure in a penetrating mode, and the positioning structure comprises a compression screw which is arranged on one side of the fixing support and is capable of being led in a spiral mode and is matched with the inner wall of the guide hole.
Furthermore, the positioning part of the guide rod is in clearance fit with the inner hole of the pipe body, and the clearance fit size is 0.02mm to 0.03mm; the guide part is in clearance fit with the guide hole, and the gap between the guide part and the guide hole is 0.03mm to 0.05mm.
As a further improvement, the fixing support is of a plate-shaped structure, one end of the fixing support protrudes downwards to form a fixing portion, a guide hole matched with the guide portion is formed in the fixing portion, and an operating handle is arranged at the other end of the fixing support.
As a further improvement, the cutter holder structure comprises a connecting plate which is attached to the fixing support, the connecting plate is adjustably fixed on the fixing support through the bolt structure, and one end of the connecting plate extends obliquely downwards to be provided with a mounting seat for fixing the scraper.
Furthermore, the sliding groove extends along the radial direction of the guide hole, and the cutter holder structure is connected and attached to the bottom surface of the fixed support.
As a further improvement, the guide rod is of a three-stage ladder-shaped structure which is gradually reduced from top to bottom, and a limiting step which is adaptive to the upper surface of the fixed support is arranged on the guide rod.
Advantageous effects
In contrast to the prior art, the method has the advantages that, the manual scraper for ensuring coaxiality of the excircle and the inner hole of the storage body has the following beneficial effects: the manual scraper for ensuring the coaxiality of the excircle and the inner hole of the cylinder body can quickly solve the problem of out-of-tolerance coaxiality of the excircle of the guide pipe hole of the cylinder cover, has a simple process, and can finish the processing work without consuming too much resources; the operation is simple, the structure is easy to realize, and the manufacturing cost is low; the processing precision is high, and labour saving and time saving reduces intensity of labour.
Drawings
FIG. 1 is an assembled front view of a manual scraper of the present invention that ensures coaxiality of the outer circle and the inner hole of the body;
FIG. 2 is an assembled bottom view of the manual scraper of the present invention which ensures coaxiality of the outer circle and the inner hole of the body;
FIG. 3 is a fixing in the present invention a front view of the structure of the bracket.
In the figure: 1. a guide bar; 2. a guide part; 3. a fixed bracket; 4. a positioning part; 5. a tool holder structure; 6. a scraper; 7. a guide hole; 8. a chute; 9. a bolt structure; 10. compaction a screw; 11. a fixing part; 12. an operation handle; 13. a connecting plate; 14. and (5) a mounting seat.
Detailed Description
The following detailed description of specific embodiments of the invention refers to the accompanying drawings, it should be understood that the scope of the invention and is not limited by the specific embodiments.
The specific embodiments of the present invention are as follows: as shown in fig. 1-3, a manual scraper for ensuring coaxiality of an outer circle and an inner hole of a pipe body comprises a fixed support 3, wherein a guide rod 1 is arranged on the fixed support 3 in a penetrating manner and can slide up and down, a guide part 2 matched with the fixed support 3 is arranged on the guide rod 1, a positioning part 4 matched with the hole wall of the pipe body is arranged at the lower end of the guide part 2 in a downward extending manner, a limiting step is arranged between the guide part 2 and the positioning part 4, and the limiting step abuts against the end face of an outlet of a pipe to perform an axial limiting function; the bottom of the fixed support 3 is provided with a cutter holder structure 5 which can transversely slide and is matched with the guide rod 1, the cutter holder structure 5 is provided with a scraper 6 which can be matched with the positioning part 4, the fixed support 3 is provided with a positioning structure for vertically positioning the guide rod 1, and the positioning position of the fixed support 3 on the guide part 2 of the guide rod 1 is adjusted up and down through the positioning structure. The guide rod 1 is positioned on the inner hole of the valve guide pipe through the positioning part 4 and the limiting step, the positioning part 4 and the guide part 2 are of standard cylindrical structures, the coaxiality of the positioning part 4, the guide part 2 and the inner hole of the guide pipe is high, the fixing support 3 is fixed on the guide part 2 through the positioning structure, then the scraper 6 is abutted against the outer circular surface of the guide pipe through adjusting the position of the cutter holder structure 5, the scraper 6 can be precisely machined by rotating the fixing support 3, the outer circular surface of the guide pipe is guaranteed to be rapidly processed by a cylinder cover with out-of-tolerance coaxiality between the outer circular surface and the inner hole of the valve guide pipe, the operation is simple, the structure is easy to realize, the manufacturing cost is low, the reworking purpose is achieved through simple steps and less resource investment, and the coaxiality of the two is guaranteed to be high.
In the embodiment, one end of the fixed support 3 is provided with a guide hole 7 matched with the guide part 2, so that the fixed support 3 is ensured to stably slide, the fixed support 3 is ensured to be unchanged relative to the guide rod 1 in the radial direction, a chute 8 extending to one side of the guide hole 7 is arranged on the fixed support 3, a bolt structure 9 connected with the tool holder structure 5 is arranged on the chute 8 in a penetrating manner, the tool holder structure 5 slides in the chute 8 through the bolt structure 9, and a scraper 6 on the tool holder structure 5 is adjusted to be in contact with the outer circular surface of the guide pipe, so that the operation is simple and the adjustment is quick; the cutter holder structure 5 is provided with the convex blocks which are matched with the two side walls of the chute 8, so that the cutter holder structure 5 is firmly and stably connected with the fixed bracket 3, displacement is not easy to occur, the machining precision of the outer circular surface of the guide pipe is influenced, and the machining precision is guaranteed; the positioning structure comprises a compression screw 10 which is arranged on one side of the fixed support 3 and is adapted to the inner wall of the guide hole 7 in a spiral leading-in manner, the compression screw 10 can lock the fixed support 3 and can be quickly loosened, and the fixed support is convenient to adjust and quick in adjustment.
In the embodiment, the positioning part 4 of the guide rod 1 is in clearance fit with the inner hole of the pipe body, and the clearance fit size is 0.02mm to 0.03mm; the guide part 2 is in clearance fit with the guide hole 7, and the gap between the guide part 2 and the guide hole 7 is 0.03mm to 0.05mm, so that the guide rod 1 is conveniently inserted into the fixed support 3 and the pipe body, and the positioning precision is ensured.
In this embodiment, the fixing support 3 has a plate structure, one end of the fixing support 3 protrudes downwards to form a fixing portion 11, a guiding hole 7 adapted to the guiding portion 2 is formed in the fixing portion 11, the guiding hole 7 is formed in the fixing portion 11, the depth of the hole is large, the contact area between the fixing support 3 and the guiding rod 1 is increased, the connection stability of the fixing support 3 and the guiding rod 1 is improved, and an operating handle 12 is arranged at the other end of the fixing support 3. The operating handle 12 is vertically arranged on the fixed support 3 through threads, and the operating handle 12 is arranged at the most distal end of the fixed support 3, so that an author can manually operate the rotary scraper 6 to finish machining conveniently, and time and labor are saved.
In this embodiment, spout 8 extends along the radial direction of guiding hole 7 and sets up, cutter holder structure 5 connects the laminating setting on the bottom surface of fixed bolster 3, cutter holder structure 5 includes the connecting plate 13 that sets up with the fixed bolster 3 laminating, connecting plate 13 passes through bolt structure 9 adjustable to be fixed on fixed bolster 3, the one end slope downwardly extending of connecting plate 13 is equipped with the mount pad 14 of fixed scraper 6, mount pad 1 is the swash plate that extends downwards in one side slant of connecting plate 13, scraper 6 is fixed in the inboard of swash plate, guarantee the edge of a knife of scraper 6 tangent with the pipe excircle, reduce the blade wearing and tearing, accelerate cutting speed, be equipped with two bolt holes on the connecting plate 13, be connected with fixed bolster 3 through two sets of bolt structures 9.
In the embodiment, the guide rod 1 is of a three-stage ladder-shaped structure which is gradually reduced from top to bottom, a limiting step which is adaptive to the upper surface of the fixed support 3 is arranged on the guide rod 1, and the outer circle of the upper end of the guide rod 1 is used for facilitating an operator to hold the guide rod 1 and insert the guide rod 1 into a cylinder cover guide pipe body.
The scraper 6 is used by inserting the positioning part 4 of the guide bar 1 into a guide pipe hole to be reworked until the step end surface between the positioning part 4 and the guide part 2 is flatly attached to the guide pipe end surface, and locking the position of the guide bar 1 and the fixed bracket 3 by the compression screw 10. The position of the cutter holder structure 5 is adjusted until the cutting edge of the scraper 6 is attached to the outer circle surface of the guide pipe, and then the cutter holder structure 5 is fixed by tightening the bolt structure 9; the operator controls the fixed bracket 3 to rotate by hand through the operating handle 12, the scraper 6 performs relative circular motion with the guide rod 1 as the center and cuts the outer circle of the guide pipe with the out-of-coaxiality part by the scraper 6, thereby finishing reworking the outer circle of the guide pipe of the cylinder cover; the fixing support 3 slides up and down along the guide rod 1 by loosening the compression screw 10, so that the scraper 6 on the fixing support 3 can process each position of the outer circle of the catheter, and the coaxiality of the outer circle and the inner hole of the catheter body is ensured to meet the requirement.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present invention, and these do not affect the effect of the implementation of the present invention and the utility of the patent.
Claims (5)
1. The utility model provides a ensure manual scraper of body excircle and hole axiality, its characterized in that includes fixed bolster (3), but the upper and lower gliding of fixed bolster (3) wear to be equipped with one guide bar (1), be equipped with on guide bar (1) with guide portion (2) of fixed bolster (3) looks adaptation, the lower extreme downwardly extending of guide portion (2) is equipped with location portion (4) that suits with the pore wall of body, be equipped with spacing step between guide portion (2) and location portion (4), bottom installation of fixed bolster (3) can transversely slide with knife holder structure (5) that guide bar (1) suited, be equipped with on knife holder structure (5) can with scraper (6) that location portion (4) suited, be equipped with vertical location on fixed bolster (3) the location structure of guide bar (1), location portion (4), guide portion (2) be standard cylinder structure, one end of fixed bolster (3) be equipped with guide portion (2) looks guide portion (7), be equipped with on one side of fixed bolster (8) and be equipped with on the fixed bolster (8) and be equipped with on one side of fixed bolster (8), the positioning structure comprises a compression screw (10) which is arranged on one side of the fixed support (3) and is matched with the inner wall of the guide hole (7) in a spiral manner, the cutter holder structure (5) is provided with protruding blocks which are matched with two side walls of the sliding groove (8), the sliding groove (8) extends along the radial direction of the guide hole (7), and the cutter holder structure (5) is connected and attached to the bottom surface of the fixed support (3).
2. A manual scraper for ensuring coaxiality of the outer circle and the inner hole of a pipe body according to claim 1, wherein the positioning part (4) of the guide rod (1) is in clearance fit with the inner hole of the pipe body, and the clearance fit size is 0.02mm to 0.03mm; the guide part (2) is in clearance fit with the guide hole (7), and a gap between the guide part (2) and the guide hole (7) is 0.03mm to 0.05mm.
3. The manual scraper for ensuring coaxiality of the outer circle and the inner hole of the pipe body according to claim 1, wherein the fixed support (3) is of a plate-shaped structure, one end of the fixed support (3) is provided with a fixed part (11) in a downward protruding mode, the fixed part (11) is provided with a guide hole (7) matched with the guide part (2), and the other end of the fixed support (3) is provided with an operating handle (12).
4. A manual scraper for ensuring coaxiality of outer circle and inner hole of pipe body according to claim 1, characterized in that the cutter holder structure (5) comprises a connecting plate (13) which is attached to the fixing support (3), the connecting plate (13) is adjustably fixed on the fixing support (3) through the bolt structure (9), and one end of the connecting plate (13) is obliquely and downwardly extended and provided with a mounting seat (14) for fixing the scraper (6).
5. The manual scraper for ensuring the coaxiality of the outer circle and the inner hole of the pipe body according to any one of claims 1 to 4, wherein the guide rod (1) is of a three-stage ladder-shaped structure which is gradually reduced from top to bottom, and the guide rod (1) is provided with a limit step which is matched with the upper surface of the fixed support (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711291546.7A CN107855612B (en) | 2017-12-08 | 2017-12-08 | Ensure pipe body excircle and Manual scraper with inner hole coaxiality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711291546.7A CN107855612B (en) | 2017-12-08 | 2017-12-08 | Ensure pipe body excircle and Manual scraper with inner hole coaxiality |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107855612A CN107855612A (en) | 2018-03-30 |
| CN107855612B true CN107855612B (en) | 2023-12-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711291546.7A Active CN107855612B (en) | 2017-12-08 | 2017-12-08 | Ensure pipe body excircle and Manual scraper with inner hole coaxiality |
Country Status (1)
| Country | Link |
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| CN (1) | CN107855612B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112372082B (en) * | 2020-12-15 | 2024-04-09 | 广西玉柴机器股份有限公司 | Processing assembly of pipe excircle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2790651Y (en) * | 2005-11-29 | 2006-06-28 | 青岛捷能汽轮机股份有限公司 | Scraping device of pretightening face of connecting bollt for steam turbine cylinder |
| CN102489784A (en) * | 2011-12-06 | 2012-06-13 | 贵州凯星液力传动机械有限公司 | Processing method for removing burrs at holes in valve body |
| CN205020964U (en) * | 2015-10-15 | 2016-02-10 | 广西玉柴机器股份有限公司 | Correction scraper of downthehole excircle axiality of cylinder head pipe |
| CN106312196A (en) * | 2016-09-29 | 2017-01-11 | 中车戚墅堰机车有限公司 | Portable scraper |
| CN206028914U (en) * | 2016-08-30 | 2017-03-22 | 卓达新材料科技集团威海股份有限公司 | Scraping knife |
| CN207508441U (en) * | 2017-12-08 | 2018-06-19 | 广西玉柴机器股份有限公司 | A kind of hand scaler for ensuring tube body outer circle and coaxiality of inner hole |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101194599B1 (en) * | 2012-06-11 | 2012-10-25 | 한국생산기술연구원 | An apparatus for removing the burr |
-
2017
- 2017-12-08 CN CN201711291546.7A patent/CN107855612B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2790651Y (en) * | 2005-11-29 | 2006-06-28 | 青岛捷能汽轮机股份有限公司 | Scraping device of pretightening face of connecting bollt for steam turbine cylinder |
| CN102489784A (en) * | 2011-12-06 | 2012-06-13 | 贵州凯星液力传动机械有限公司 | Processing method for removing burrs at holes in valve body |
| CN205020964U (en) * | 2015-10-15 | 2016-02-10 | 广西玉柴机器股份有限公司 | Correction scraper of downthehole excircle axiality of cylinder head pipe |
| CN206028914U (en) * | 2016-08-30 | 2017-03-22 | 卓达新材料科技集团威海股份有限公司 | Scraping knife |
| CN106312196A (en) * | 2016-09-29 | 2017-01-11 | 中车戚墅堰机车有限公司 | Portable scraper |
| CN207508441U (en) * | 2017-12-08 | 2018-06-19 | 广西玉柴机器股份有限公司 | A kind of hand scaler for ensuring tube body outer circle and coaxiality of inner hole |
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| Publication number | Publication date |
|---|---|
| CN107855612A (en) | 2018-03-30 |
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