CN115635145A - Tile scraping device and using method thereof - Google Patents
Tile scraping device and using method thereof Download PDFInfo
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- CN115635145A CN115635145A CN202211443205.8A CN202211443205A CN115635145A CN 115635145 A CN115635145 A CN 115635145A CN 202211443205 A CN202211443205 A CN 202211443205A CN 115635145 A CN115635145 A CN 115635145A
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Abstract
The invention relates to the technical field of bearing bush scraping, in particular to a bush scraping device and a using method thereof, wherein the bush scraping device comprises an operating handle and a cutter head disc connected to the operating handle, a flat scraper blade, a triangular scraper blade and an arc-shaped scraper blade are arranged along the edge of the cutter head disc, and two semi-arc grooves are also arranged on the cutter head disc and are arranged in a centrosymmetric manner; the front end of the handle is connected with a conversion frame, connecting holes are formed in the two ends of the conversion frame, the conversion frame and the cutter head disc are locked and fixed through two groups of first bolts and first nuts, and the first bolts penetrate through the connecting holes and the semi-arc grooves; the device has simple structure, and the relative position relationship between the handle and each cutting edge can be converted through the two semi-arc grooves which are annularly arranged along the cutter head disc; the integrated portable tile scraping tool integrating three types of cutting edges is formed, workers do not need to prepare various scrapers, the use convenience of the tool is improved, and the tile scraping work efficiency is improved.
Description
Technical Field
The invention relates to the technical field of bearing bush scraping, in particular to a bearing bush scraping device and a using method thereof.
Background
The split sliding bearing is mainly used on heavy-duty large and medium-sized machines, such as metallurgical mining machinery, large-sized generators, ball mills, turbine and piston compressors, transportation vehicles and the like, the material of the split sliding bearing is mainly babbitt metal, copper-based bearing alloy is adopted in few cases, and during assembly, the precision requirement is met by adopting a scraping method, and the service performance is ensured, so that the scraping quality is very important for the operation of the machine.
In the sliding bearing scraping process, mainly comprising the scraping of a tile surface, a tile back and a median plane, wherein the scraping outline of the tile surface is an inner curved surface of a cylinder, the scraping outline of the tile back is an outer curved surface of the cylinder, and the scraping outline of the median plane is a plane; when the tile scraping operation is carried out, the tile scraping scrapers are generally divided into a flat scraper, a triangular scraper and an arc scraper; the flat scraper is mainly used for scraping planes such as flat plates, flat rails, workbenches and the like, and can also be used for scraping outer curved surfaces; the triangular scraper is usually used for scraping the inner curved surface of the bearing bush, and the section of the triangular scraper is an equilateral triangle; the arc-shaped scraper is mainly used for scraping the inner curved surface; the scraping of the tile surface is suitable for a triangular scraper, but due to the shape of the outline of the cutting edge and the structural characteristic that the cutting edge and the handle are in a straight line, the scraping of the tile surface is only suitable for the requirements of the scraping direction within a transverse angle and an inclined angle of 45 degrees, can not scrape along the axial direction, and an arc-shaped scraper needs to be used in a combined manner; the scraping of the tile back is suitable for a flat scraper and a triangular scraper; the scraping of the median plane is suitable for a flat scraper; therefore, three scrapers are generally required to be prepared at the same time for scraping by the sliding bearing, and the scrapers need to be changed continuously during operation, so that the use is inconvenient; meanwhile, the cutting edges of the triangular and arc-shaped scrapers are fixed with the handle, and the angle is not easy to adjust during scraping, so that the scraping effect is not ideal, vibration marks can be frequently caused, and the problems that the scraping depth and the radian are not accurate enough are solved.
Disclosure of Invention
The invention aims to solve the problems, and provides a tile scraping device which integrates a flat scraper, a triangular scraper and an arc-shaped scraper into a whole, is convenient for adjusting the angle of a cutting edge and is convenient for workers to use, and a using method thereof.
The invention solves the problems and adopts the technical scheme that:
a tile scraping device comprises an operating handle and a cutter head disc connected to the operating handle, wherein a flat scraper blade, a triangular scraper blade and an arc-shaped scraper blade are arranged along the circumferential edge of the cutter head disc, and two semi-arc grooves are further arranged on the cutter head disc and are arranged in a centrosymmetric manner; the front end of the handle is connected with a conversion frame, connecting holes are formed in the two ends of the conversion frame, the conversion frame and the tool bit disc are locked and fixed through two sets of first bolts and first nuts, and the first bolts penetrate through the connecting holes and the semi-arc grooves.
Compared with the prior art, the invention adopting the technical scheme has the prominent characteristics that:
the device is simple in structure, and the relative position relation between the handle and the cutting edges of the flat scraper, the triangular scraper and the arc-shaped scraper can be converted through the two semi-arc grooves which are annularly arranged along the cutter head disc; the integrated portable tile scraping tool integrating three types of cutting edges is formed, workers do not need to prepare various scrapers, the use convenience of the tool is improved, and the tile scraping work efficiency is improved.
The further technical scheme of the invention comprises:
the flat scraper cutting edge comprises a long cutting edge and a short cutting edge, the arc-shaped scraper cutting edge comprises an inner concave arc-shaped edge and an outer convex arc-shaped edge, the cutter head disc is of a pentagonal structure, five sides are respectively provided with the long cutting edge, the inner concave arc-shaped edge, the outer convex arc-shaped edge, the triangular scraper cutting edge and the short cutting edge, and transition sections are arranged between the outer convex arc-shaped edge and the inner concave arc-shaped edge as well as between the outer convex arc-shaped edge and the triangular scraper cutting edge; five kinds of cutting edges are collected integratively, and indent arc sword can be used for scraping the outer curved surface, and outer convex arc sword is used for scraping the inner curved surface, and long sword is used for roughly scraping the plane, and short sword is used for carefully scraping the plane, and triangle scraper cutting edge is used for scraping along horizontal and slant and grinds the axle bush inner face.
The length of the long blade is 45mm-60mm; the length of the short blade is 20mm-30mm; when the diameter of the inner hole of the bearing is R 1 The radius of the tile back surface is R 2 When the arc radius of the convex arc edge is 0.5R 1 -0.75* R 1 The arc radius of the concave arc-shaped edge is 1.5R 2 -3*R 2 (ii) a The long blade, the short blade, the outward convex arc blade and the inward concave arc blade of the scraper provided by the invention are more fit with the working surface when in use, so that the scraper is convenient for tile scraping workers to carry and use.
The conversion frame is of a rectangular structure, a first lug plate is arranged in the middle of the conversion frame, a second lug plate is arranged at the front end of the handle, the handle and the conversion frame are fixed through a second bolt and a second nut, and the second bolt penetrates through the first lug plate and the second lug plate; the condition that the relative position and the angle of the cutter head and the handle are completely fixed in the past is changed, the relative positions of the handle and the conversion frame and the cutter head disc of the device can be adjusted, the conversion is convenient when each cutting edge is used, the equivalent angle of the handle, the plane of the whole cutter head disc and each cutting edge can be adjusted, the handle has the function of being rotationally adjusted in the vertical plane of the cutter head disc, the force application of operators is favorably improved, and the tile scraping effect is improved.
When the cutting edge is switched, the first nut is unscrewed, the relative position relation between the connecting hole and the semi-arc groove is changed, the first nut is screwed after the cutter head is adjusted to be proper; when different cutting edges are used, the relative positions of the handles are respectively that when the cutting edges of the arc-shaped scraper are used, the axis of the handle is vertical to the plane of the cutter head disc; when a flat blade or a triangular blade is used, the axis of the handle is parallel to the cutter head disk.
Drawings
FIG. 1 is a schematic structural diagram of a tile scraping device according to an embodiment of the present invention;
FIG. 2 is a schematic top view of a shoe scraping device according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a cutter head disk according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a switching rack according to an embodiment of the present invention;
FIG. 5 is a schematic side view of a switching rack according to an embodiment of the present invention;
FIG. 6 is a schematic view of a handle according to an embodiment of the present invention;
FIG. 7 is a side view of a handle according to an embodiment of the present invention;
FIG. 8 is a schematic view of an embodiment of the present invention using a long blade;
FIG. 9 is a schematic view of a construction of an embodiment of the present invention using a triangular doctor blade edge;
figure 10 is a schematic view of an embodiment of the present invention using an arcuate doctor blade edge.
In the figure: 1. a cutter head disc; 101. a half-arc groove; 102. a long blade; 103. an inwardly concave arc-shaped blade; 104. an outwardly convex arcuate blade; 105. a triangular scraper blade; 1051. a knife tip; 106. a short blade; 107. a transition section; 2. a conversion frame; 201. a first ear plate; 3. a handle; 301. a second ear panel; 4. a first bolt; 5. a first nut; 6. and a locking member.
Detailed Description
The invention will be further illustrated by the following examples, which are intended only for a better understanding of the present invention and therefore do not limit the scope of the invention.
As shown in fig. 1 to 10, a tile scraping device comprises an operating handle 3 and a cutter head disc 1 connected to the operating handle 3, wherein a flat scraper blade, a triangular scraper blade 105 and an arc-shaped scraper blade are arranged along the periphery of the cutter head disc 1, two semi-arc grooves 101 are further arranged in the cutter head disc 1, and the two semi-arc grooves 101 are arranged along the annular direction in a centrosymmetric manner; the front end of the handle 3 is hinged with a conversion frame 2 and is locked and fixed through a locking part 6, the conversion frame 2 is of a rectangular structure, connecting holes are formed in two ends of the conversion frame 2, the conversion frame 2 and the cutter head disc 1 are locked and fixed through two sets of first bolts 4 and first nuts 5, and the first bolts 4 are arranged in the connecting holes and the semi-arc grooves 101 in a penetrating mode.
Further, the flat scraper edge comprises a long edge 102 and a short edge 106, the long edge 102 being used for rough scraping plane and the short edge 106 being used for fine scraping plane; the arc-shaped scraper blade comprises an inner concave arc-shaped blade 103 and an outer convex arc-shaped blade 104, the inner concave arc-shaped blade 103 can be used for scraping an outer curved surface, and the outer convex arc-shaped blade 104 is used for scraping an inner curved surface; the cutter head disc 1 is of a pentagonal structure, five sides are respectively provided with a long blade 102, an inwards concave arc-shaped blade 103, an outwards convex arc-shaped blade 104, a triangular scraper blade 105 and a short blade 106, and transition sections 107 are arranged between the outwards convex arc-shaped blade 104 and the inwards concave arc-shaped blade 103 as well as between the outwards convex arc-shaped blade 105 and the triangular scraper blade 105.
Further, a transition section 107 between the triangular scraper blade edge 105 and the short blade edge 106 is of a concave structure, and a blade point 1051 is formed at the upper end of the triangular scraper blade edge 105, so that the triangular scraper blade is convenient to use.
Further, the length of the long blade 102 is 45mm-60mm; the length of the short blade 106 is 20mm-30mm; when the diameter of the inner hole of the bearing is R 1 The radius of the curved surface of the tile back is R 2 When the outer convex arc edge 104 has an arc radius of 0.5R 1 -0.75* R 1 The arc radius of the concave arc-shaped edge 103 is 1.5R 2 -3*R 2 (ii) a Specifically, in the present embodiment, the arc radius of the convex arc-shaped edge 104 is 0.5 × R 1 Or 0.75 star R 1 The arc radius of the concave arc-shaped edge 103 is 1.5R 2 Or 2R 2 Or 3*R 2 (ii) a The triangular blade edge 105 is sized according to the triangular blade standard manufacturing size.
Furthermore, the specific hinge structure of the conversion frame 2 and the handle 3 is as follows; conversion frame 2 middle part is provided with first otic placode 201, and 3 front ends of handle are provided with second otic placode 301, retaining member 6 for the second bolt and with the second nut of second bolt adaptation, handle 3 and conversion frame 2 are fixed through second bolt and second nut, the second bolt is worn to establish on first otic placode 201 and second otic placode 301.
The use method of the tile scraping device is that when an operator wants to use different blades, the operator only needs to unscrew the first nut 5, change the relative position relationship between the connecting hole and the semi-arc groove 101, adjust to a proper cutter head and then tighten the first nut 5; as shown in fig. 10, when the arc-shaped scraper edge is used, the locking piece 6 is unscrewed, the handle 3 is adjusted, the axis of the handle 3 is vertical to the plane of the cutter head disc 1, and then the locking piece 6 is screwed; as shown in fig. 8 and 9, when using a flat or triangular blade edge 105, the locking member 6 is loosened to adjust the handle 3 so that the axis of the handle 3 is parallel to the plane of the cutter head 1, and then the locking member 6 is tightened; when the cutting edge of the flat scraper is used, the first nut 5 is unscrewed, the handle 3 is rotated to enable the axis of the handle 3 to be vertical to the cutting edge of the flat scraper, and then the first nut 5 is screwed down; when the triangular blade edge 105 is used, the axis of the handle 3 is made parallel to the blade portion to be used position of the triangular blade edge 105 by adjusting the first nut 5.
During the scraping operation of the bearing bush, the bearing bush is divided into a middle part: the long blade 102 roughly scrapes the middle split surface of the bearing bush, and the short blade 106 finely scrapes the middle split surface of the bearing bush; the triangular scraper blade 105 scrapes the inner working surface of the bearing bush along the transverse direction and the oblique direction; the inner working surface of the bearing bush: the outer convex arc-shaped blade 104 scrapes the inner working surface of the bearing bush along the axial direction; bearing bush back: the concave arc-shaped blade 103 roughly scrapes the back of the bearing bush, and the triangular scraper blade 105 finely scrapes the back of the bearing bush; when there are small hard spots on the working surface or a fine position to be shaved, the work is performed using the blade edge 1051 of the triangular blade edge 105.
By using the device, the scraping efficiency of the bearing bush can be improved, the relative angle between the handle and the plane of the cutter head disc can be adjusted according to different use requirements, the relative angle between the handle and each cutting edge can be adjusted, different use requirements are met, and the scraping quality is improved; this device collects the polymorphic type scraper as an organic whole, is enough to satisfy the axle bush and scrapes daily demand, and the staff need not to carry multiple type scraper at every turn, has avoided the phenomenon of leaking the area, provides for the workman with a small and exquisite, convenient, practical cutter of scraping.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, which is defined in the appended claims.
Claims (5)
1. A tile scraping device comprises an operating handle and a cutter head disc connected to the operating handle, and is characterized in that a flat scraper blade, a triangular scraper blade and an arc-shaped scraper blade are arranged along the circumferential edge of a cutter head, two semi-arc grooves are further arranged on the cutter head disc, and the two semi-arc grooves are arranged in a centrosymmetric manner; the front end of the handle is connected with a conversion frame, connecting holes are formed in the two ends of the conversion frame, the conversion frame and the tool bit disc are locked and fixed through two sets of first bolts and first nuts, and the first bolts penetrate through the connecting holes and the semi-arc grooves.
2. A shoe scraping device according to claim 1, further comprising: the flat scraper cutting edge comprises a long cutting edge and a short cutting edge, the arc-shaped scraper cutting edge comprises an inner concave arc-shaped edge and an outer convex arc-shaped edge, the cutter head disc is of a pentagonal structure, the five edges are respectively set to be the long cutting edge, the inner concave arc-shaped edge, the outer convex arc-shaped edge, the triangular scraper cutting edge and the short cutting edge, and transition sections are arranged between the outer convex arc-shaped edge and the inner concave arc-shaped edge and between the outer convex arc-shaped edge and the triangular scraper cutting edge.
3. A shoe scraping device according to claim 2, characterized in that: the length of the long blade is 45mm-60mm; the length of the short blade is 20mm-30mm; when the diameter of the inner hole of the bearing is R 1 The radius of the curved surface of the tile back is R 2 When the arc radius of the convex arc edge is 0.5R 1 -0.75* R 1 The arc radius of the concave arc-shaped edge is 1.5R 2 -3*R 2 。
4. A shoe-scraping device according to claim 1, characterized in that: the conversion frame is of a rectangular structure, a first lug plate is arranged in the middle of the conversion frame, a second lug plate is arranged at the front end of the handle, the handle and the conversion frame are fixed through a second bolt and a second nut, and the second bolt is arranged on the first lug plate and the second lug plate in a penetrating mode.
5. A method of using the shoe scraping device of claim 1, characterized by:
when the cutting edge is switched, the first nut is unscrewed, the relative position relation between the connecting hole and the semi-arc groove is changed, the first nut is screwed after the cutter head is adjusted to be proper;
when different cutting edges are used, the relative positions of the handles are respectively that when the cutting edges of the arc-shaped scraper are used, the axis of the handle is vertical to the plane of the cutter head disc; when a flat or triangular blade is used, the axis of the handle is parallel to the cutter head disk.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2022114306002 | 2022-11-16 | ||
| CN202211430600 | 2022-11-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115635145A true CN115635145A (en) | 2023-01-24 |
| CN115635145B CN115635145B (en) | 2023-03-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211443205.8A Active CN115635145B (en) | 2022-11-16 | 2022-11-18 | Tile scraping device and using method thereof |
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| CN (1) | CN115635145B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4039053A (en) * | 1975-08-08 | 1977-08-02 | Societe Anonyme D.B.A. | Protecting device for the cylindrical sliding surfaces of a disc brake |
| US4598476A (en) * | 1985-02-06 | 1986-07-08 | Palmer Grasse | Heavy duty scraper tool |
| CN202411569U (en) * | 2011-11-11 | 2012-09-05 | 青岛捷能汽轮机集团股份有限公司 | Scraper |
| CN204308325U (en) * | 2014-11-27 | 2015-05-06 | 浙江吉利控股集团有限公司 | A kind of scraper |
| CN206425638U (en) * | 2017-01-01 | 2017-08-22 | 车晋绥 | Large axle bush scraper |
| CN107695456A (en) * | 2017-10-06 | 2018-02-16 | 王秋华 | Band is permed bearing scraper |
| CN210677197U (en) * | 2019-06-05 | 2020-06-05 | 广东茂化建集团有限公司 | Bearing bush scraper |
| CN211939358U (en) * | 2020-02-18 | 2020-11-17 | 河南中原滑动轴承制造有限公司 | Tile scraper knife |
| CN215089466U (en) * | 2021-04-09 | 2021-12-10 | 常州港华燃气有限公司 | Portable PE pipe scraper |
-
2022
- 2022-11-18 CN CN202211443205.8A patent/CN115635145B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4039053A (en) * | 1975-08-08 | 1977-08-02 | Societe Anonyme D.B.A. | Protecting device for the cylindrical sliding surfaces of a disc brake |
| US4598476A (en) * | 1985-02-06 | 1986-07-08 | Palmer Grasse | Heavy duty scraper tool |
| CN202411569U (en) * | 2011-11-11 | 2012-09-05 | 青岛捷能汽轮机集团股份有限公司 | Scraper |
| CN204308325U (en) * | 2014-11-27 | 2015-05-06 | 浙江吉利控股集团有限公司 | A kind of scraper |
| CN206425638U (en) * | 2017-01-01 | 2017-08-22 | 车晋绥 | Large axle bush scraper |
| CN107695456A (en) * | 2017-10-06 | 2018-02-16 | 王秋华 | Band is permed bearing scraper |
| CN210677197U (en) * | 2019-06-05 | 2020-06-05 | 广东茂化建集团有限公司 | Bearing bush scraper |
| CN211939358U (en) * | 2020-02-18 | 2020-11-17 | 河南中原滑动轴承制造有限公司 | Tile scraper knife |
| CN215089466U (en) * | 2021-04-09 | 2021-12-10 | 常州港华燃气有限公司 | Portable PE pipe scraper |
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| CN115635145B (en) | 2023-03-10 |
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