CN110253635B - Cutting tool and cutting method for clamping residual adhesive layer of inner ring of fan casing - Google Patents
Cutting tool and cutting method for clamping residual adhesive layer of inner ring of fan casing Download PDFInfo
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- CN110253635B CN110253635B CN201910550512.8A CN201910550512A CN110253635B CN 110253635 B CN110253635 B CN 110253635B CN 201910550512 A CN201910550512 A CN 201910550512A CN 110253635 B CN110253635 B CN 110253635B
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- inner ring
- boss
- blade
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- edge
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B5/00—Hand knives with one or more detachable blades
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- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
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- Structures Of Non-Positive Displacement Pumps (AREA)
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Abstract
The invention discloses a cutting tool and a cutting method for repairing a residual adhesive layer of an inner ring of a fan case by pliers, wherein the cutting tool comprises a handle, a shaft shoulder, a boss and a blade; the handle and the boss are respectively arranged on two sides of the shaft shoulder, the diameter of the boss is smaller than that of the shaft shoulder, one side, connected with the boss, of the shaft shoulder is a vertical surface, a radial through groove is formed in the boss, the blade is fixed in the through groove, and the cutting edge faces the bottom of the through groove; after the fixing, the cutting edge extends out of the circumferential surface of the boss, and the distance between the cutting edge and the surface of the shaft shoulder is smaller than the distance between the edge of the inner ring and the edge of the glue layer main body. Can effectively prevent mistake to blade cutting position, under the condition that does not hinder the glue film main part, will remain the glue film clean up, effectively guarantee the processingquality of product.
Description
Technical Field
The invention belongs to the field of machine manufacturing, and relates to a cutting tool and a cutting method for clamping and repairing a residual adhesive layer of an inner ring of a fan case.
Background
After the fan case is filled with the red glue, because the ellipse of the inner ring part is larger, the glue layer at the glue body part of the inner ring is only machined when the glue layer is machined, and the residual glue layer exists on the inner wall surface of the metal layer of the inner ring. The residual glue layer is manually removed by a hand at present, but the red glue has certain elasticity, so that the part is frequently cracked locally after the engine is tried, and cracks are easily generated at the glue layer. After analyzing the reason, the phenomenon that the main body of the glue layer is damaged when the residual glue layer is removed is found, so that the main body of the glue layer is locally cracked.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a cutting tool and a cutting method for repairing the residual adhesive layer of the inner ring of the fan casing by pliers.
In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose:
a cutting tool for clamping and repairing a residual glue layer of an inner ring of a fan case comprises a handle, a shaft shoulder, a boss and a blade;
the handle and the boss are respectively arranged on two sides of the shaft shoulder, the diameter of the boss is smaller than that of the shaft shoulder, one side, connected with the boss, of the shaft shoulder is a vertical surface, a radial through groove is formed in the boss, the blade is fixed in the through groove, and the cutting edge faces the bottom of the through groove;
after the fixing, the cutting edge extends out of the circumferential surface of the boss, and the distance between the cutting edge and the surface of the shaft shoulder is smaller than the distance between the edge of the inner ring and the edge of the glue layer main body.
Preferably, a bolt is adopted, the handle corresponds to a stud of the bolt, the boss corresponds to a nut of the bolt, and the shaft shoulder corresponds to a stop ring of the bolt.
Preferably, the through groove quantity of boss is two, and two through groove parallel arrangement, one of them logical groove and shaft shoulder surface distance are less than inner ring one side border and glue film main part border distance, and another logical groove and shaft shoulder surface distance are less than inner ring another side border and glue film main part border distance.
Preferably, the blade is a security blade.
Furthermore, a groove-shaped counter sink is arranged at the top of the through groove, two ends of the groove-shaped counter sink are communicated, and the width of the groove-shaped counter sink is the same as the width of the knife back of the safety knife blade.
Preferably, the flatness of the shaft shoulder is less than or equal to 0.02 mm.
Preferably, an axial pin hole is formed in the end face of the boss, the pin hole is located on one side, provided with the through groove, of the boss, the pin hole penetrates through the through groove, and when the cutting edge of the blade is in contact with the bottom of the groove, a through hole with the same diameter is formed in the position, corresponding to the pin hole, of the blade and extends into the pin hole and the through hole through the pin shaft.
Preferably, the distance between the blade and the surface of the shaft shoulder is 0.1-0.2mm smaller than the distance between the edge of the inner ring and the edge of the glue layer main body.
A cutting method for a residual glue layer of an inner ring of a clamping fan casing is characterized in that based on any one of the cutters, a blade is fixed in a through groove, the cutting edge faces to the bottom of the groove, and the cutting edge extends out of the peripheral surface of a boss; the handle is held by hand and moves along the circumferential surface of the fan casing, one side of the shaft shoulder connected with the boss is always attached to the circumferential surface of the inner ring, and the cutting edge extends into the residual glue layer and is always contacted with the surface of the inner ring; until the cutting of the residual glue layer is finished.
Preferably, after the residual glue layer on one surface of the inner ring is cut, the blade is taken out and fixed in the other through groove, and the cutting step is repeated to cut the other surface of the inner ring.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the blade is inserted into the through groove and is parallel to the shaft shoulder, so that the distance between the blade and the shaft shoulder is ensured to be constant all the time and cannot exceed the distance between the edge of the casing and the edge of the glue layer main body, the error prevention can be effectively carried out on the cutting position of the blade, the residual glue layer is cleaned under the condition that the glue layer main body is not damaged, and the processing quality of a product is effectively ensured.
Further, by adopting the bolt to manufacture the cutter, under the condition that the cutting effect is not changed, the material is convenient to obtain and manufacture, and the cost is greatly saved.
Furthermore, the through grooves with different distances are arranged, and the requirements of the distance between the outer edges of the two sides of the inner ring of the fan case and the main body of the glue layer are met.
Drawings
FIG. 1 is a schematic view of a toolholder according to the present invention;
FIG. 2 is a schematic view of the blade and boss assembly of the present invention;
FIG. 3 is a schematic diagram of the cutting principle of the present invention;
FIG. 4 is a schematic diagram of the residual glue layer of the inner ring of the fan casing according to the present invention.
Wherein: 1-a handle; 2-shaft shoulder; 3-boss; 4-through groove; 5-pin holes; 6-a blade; 7-residual glue layer; 8-glue layer main body.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
as shown in fig. 4, the glue layer main body 8 of the inner ring of the fan casing is always the same as the distance from the outer edge of the inner ring, and the residual glue layer 7 is located between the glue layer main body 8 and the outer edge of the inner ring and connected with the outer edge of the glue layer main body 8, so that the glue layer main body 8 is easily damaged during peeling.
The cutter can be made of bolts, the blade 6 can be made of a safety blade, and the material is convenient to obtain and manufacture.
As shown in fig. 1, the stud of the bolt corresponds to the handle 1, the nut of the bolt corresponds to the boss 3, and the stop ring of the bolt corresponds to the shoulder 2.
The distance between the cutting edge and the surface of the shaft shoulder 2 is less than the distance between the edge of the inner ring and the edge of the glue layer main body 8.
The top of the through groove 4 is provided with a groove-shaped countersunk hole, two ends of the groove-shaped countersunk hole are communicated, and the width of the groove-shaped countersunk hole is the same as the width of the back of the safety blade. As shown in fig. 2, after the fixing, the cutting edge is contacted with the bottom of the through groove 4, the back of the knife is contacted with the groove-shaped counter sink, the part of the blade 6 extends out of the peripheral surface of the boss 3, and the distance L between the cutting edge and the surface of the shaft shoulder 2 is smaller than the distance H between the edge of the inner ring and the edge of the glue layer main body 8.
As shown in fig. 2, an axial pin hole 5 is provided on the end surface of the boss 3, the pin hole 5 is located on one side of the boss 3 where the through groove 4 is provided, the pin hole 5 penetrates through the through groove 4, and when the cutting edge of the blade 6 contacts with the bottom of the groove, the blade 6 is provided with a through hole having the same diameter at a position corresponding to the pin hole 5, and extends into the pin hole 5 and the through hole through a pin shaft. Thereby fixing the blade 6.
As shown in fig. 3, when the cutting tool is used for cutting, the blade 6 is fixed in the through groove 4, the cutting edge faces to the bottom of the groove, the part of the blade 6 extends out of the peripheral surface of the boss 3, and the blade 6 is fixed through the pin shaft; the side, connected with the boss 3, of the shaft shoulder 2 is attached to the peripheral surface of the inner ring, after the cutting edge extends into the residual glue layer 7, the handle 1 is held by a hand, the cutter moves along the peripheral surface of the inner ring, the side, connected with the boss 3, of the shaft shoulder 2 is always attached to the peripheral surface of the inner ring, the cutting edge is always in contact with the surface of the inner ring, and the distance between the blade 6 and the edge of the inner ring is always kept unchanged along with the movement of the cutter, so that the glue layer main body 8 cannot be damaged; and after the cutter moves for a circle along the circumferential surface of the inner ring, the cutting of the residual glue layer 7 is finished.
And after the residual glue layer 7 on one surface of the inner ring is cut, taking out the blade 6, fixing the blade into the other through groove 4, repeating the cutting step, and cutting the other surface of the inner ring.
The above-mentioned contents are only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited thereby, and any modification made on the basis of the technical idea of the present invention falls within the protection scope of the claims of the present invention.
Claims (10)
1. A cutting tool for repairing a residual glue layer of an inner ring of a fan case by pliers is characterized by comprising a handle (1), a shaft shoulder (2), a boss (3) and a blade (6);
the handle (1) and the boss (3) are respectively arranged on two sides of the shaft shoulder (2), the diameter of the boss (3) is smaller than that of the shaft shoulder (2), one side of the shaft shoulder (2) connected with the boss (3) is a vertical surface, a radial through groove (4) is formed in the boss (3), the blade (6) is fixed in the through groove (4), and the cutting edge faces the bottom of the through groove (4);
after the fixing, the cutting edge extends out of the peripheral surface of the boss (3), and the distance between the cutting edge and the surface of the shaft shoulder (2) is smaller than the distance between the edge of the inner ring and the edge of the glue layer main body (8).
2. The cutting tool for repairing the residual glue layer on the inner ring of the fan case by pliers as claimed in claim 1, wherein the handle (1) and the boss (3) are bolts, the handle (1) corresponds to a stud of the bolt, the boss (3) corresponds to a nut of the bolt, and the shoulder (2) corresponds to a stop ring of the bolt.
3. The cutting tool for repairing residual glue layers on inner rings of fan casings by pliers according to claim 1, wherein the number of the through grooves (4) of the boss (3) is two, the two through grooves (4) are arranged in parallel, the distance between one through groove (4) and the surface of the shaft shoulder (2) is smaller than the distance between one edge of the inner ring and the edge of the glue layer main body (8), and the distance between the other through groove (4) and the surface of the shaft shoulder (2) is smaller than the distance between the other edge of the inner ring and the edge of the glue layer main body (8).
4. The cutting tool for repairing the residual glue layer on the inner ring of the fan case by pliers as claimed in claim 1, wherein the blade (6) is a safety blade.
5. The cutting tool for repairing the residual adhesive layer on the inner ring of the fan case by pliers as claimed in claim 4, wherein the top of the through slot (4) is provided with a slot-shaped countersunk hole, two ends of the slot-shaped countersunk hole are communicated, and the width of the slot-shaped countersunk hole is the same as the width of the back of the safety blade.
6. The cutting tool for repairing the residual glue layer on the inner ring of the fan case by pliers as claimed in claim 1, wherein the flatness of the shaft shoulder (2) is less than or equal to 0.02 mm.
7. The cutting tool for repairing the residual glue layer on the inner ring of the fan case by pliers as claimed in claim 1, wherein an axial pin hole (5) is formed in the end face of the boss (3), the pin hole (5) is located on the side of the boss (3) where the through groove (4) is formed, the pin hole (5) penetrates through the through groove (4), and when the cutting edge of the blade (6) contacts with the bottom of the groove, a through hole with the same diameter is formed in the position of the blade (6) corresponding to the pin hole (5) and extends into the pin hole (5) and the through hole through a pin shaft.
8. The cutting tool for repairing the residual adhesive layer on the inner ring of the fan case by pliers as claimed in claim 1, wherein the distance between the blade and the surface of the shaft shoulder (2) is 0.1-0.2mm smaller than the distance between the edge of the inner ring and the edge of the adhesive layer main body (8).
9. A method for cutting residual glue layers on inner rings of casings of clamping fans, which is based on the cutter as claimed in any one of claims 1-8, and is characterized in that a blade (6) is fixed in a through groove (4), the blade edge faces the bottom of the groove, and the blade edge extends out of the peripheral surface of a boss (3); the handle (1) is held by hand and moves along the circumferential surface of the fan casing, one side of the shaft shoulder (2) connected with the boss (3) is always attached to the circumferential surface of the inner ring, and the cutting edge extends into the residual glue layer (7) and is always contacted with the surface of the inner ring; until the cutting of the residual glue layer (7) is finished.
10. The method for cutting the residual glue layer on the inner ring of the nipped fan casing according to claim 9, wherein after the residual glue layer (7) on one side of the inner ring is cut, the blade (6) is taken out and fixed in another through groove (4), and the cutting step is repeated to cut the other side of the inner ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910550512.8A CN110253635B (en) | 2019-06-24 | 2019-06-24 | Cutting tool and cutting method for clamping residual adhesive layer of inner ring of fan casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910550512.8A CN110253635B (en) | 2019-06-24 | 2019-06-24 | Cutting tool and cutting method for clamping residual adhesive layer of inner ring of fan casing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110253635A CN110253635A (en) | 2019-09-20 |
| CN110253635B true CN110253635B (en) | 2021-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910550512.8A Active CN110253635B (en) | 2019-06-24 | 2019-06-24 | Cutting tool and cutting method for clamping residual adhesive layer of inner ring of fan casing |
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| Country | Link |
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| CN (1) | CN110253635B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2090311U (en) * | 1991-01-24 | 1991-12-11 | 李文卉 | Hobbing cutter with multiblade |
| US5175934A (en) * | 1992-05-21 | 1993-01-05 | Chao Chung Liang | Utility knife |
| US5438757A (en) * | 1994-09-22 | 1995-08-08 | Weschenfelder; Sonja | Multifunction cutting tool |
| CN1221597A (en) * | 1997-09-08 | 1999-07-07 | 达特工业公司 | Handle with interchangeable kitchen implements |
| CN202344549U (en) * | 2011-12-07 | 2012-07-25 | 杭州巨星科技股份有限公司 | Knife head with filling structure and folding knife |
| CN203172130U (en) * | 2013-04-15 | 2013-09-04 | 海南英利新能源有限公司 | Photovoltaic module trimming knife |
| CN204019557U (en) * | 2014-08-22 | 2014-12-17 | 许小平 | Paper knife |
| CN104999523A (en) * | 2015-06-18 | 2015-10-28 | 镇江中化聚氨酯工业设备有限公司 | Multifunctional edge trimmer |
| CN205466331U (en) * | 2016-01-11 | 2016-08-17 | 润恒光能有限公司 | Lamination piece edging cutter |
| CN208321392U (en) * | 2018-03-02 | 2019-01-04 | 深圳市汇铭科技有限公司 | A kind of hardware perching knife |
-
2019
- 2019-06-24 CN CN201910550512.8A patent/CN110253635B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2090311U (en) * | 1991-01-24 | 1991-12-11 | 李文卉 | Hobbing cutter with multiblade |
| US5175934A (en) * | 1992-05-21 | 1993-01-05 | Chao Chung Liang | Utility knife |
| US5438757A (en) * | 1994-09-22 | 1995-08-08 | Weschenfelder; Sonja | Multifunction cutting tool |
| CN1221597A (en) * | 1997-09-08 | 1999-07-07 | 达特工业公司 | Handle with interchangeable kitchen implements |
| CN202344549U (en) * | 2011-12-07 | 2012-07-25 | 杭州巨星科技股份有限公司 | Knife head with filling structure and folding knife |
| CN203172130U (en) * | 2013-04-15 | 2013-09-04 | 海南英利新能源有限公司 | Photovoltaic module trimming knife |
| CN204019557U (en) * | 2014-08-22 | 2014-12-17 | 许小平 | Paper knife |
| CN104999523A (en) * | 2015-06-18 | 2015-10-28 | 镇江中化聚氨酯工业设备有限公司 | Multifunctional edge trimmer |
| CN205466331U (en) * | 2016-01-11 | 2016-08-17 | 润恒光能有限公司 | Lamination piece edging cutter |
| CN208321392U (en) * | 2018-03-02 | 2019-01-04 | 深圳市汇铭科技有限公司 | A kind of hardware perching knife |
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| CN110253635A (en) | 2019-09-20 |
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