CN219189683U - Novel three-leaf electrode cap repair knife body - Google Patents
Novel three-leaf electrode cap repair knife body Download PDFInfo
- Publication number
- CN219189683U CN219189683U CN202223312516.9U CN202223312516U CN219189683U CN 219189683 U CN219189683 U CN 219189683U CN 202223312516 U CN202223312516 U CN 202223312516U CN 219189683 U CN219189683 U CN 219189683U
- Authority
- CN
- China
- Prior art keywords
- body seat
- cutter
- cutter body
- blade
- electrode cap
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Knives (AREA)
Abstract
The utility model discloses a novel three-blade electrode cap repairing knife body, which comprises a knife body seat and a knife edge main body arranged on the core part of the knife body seat, wherein the knife body seat is made of stainless steel, and the knife edge main body is made of high-speed tool steel and plating or hard alloy; the cutter body seat is symmetrically provided with a first positioning groove and a second positioning groove, and mounting holes are formed in the bottoms of the first positioning groove and the second positioning groove; the shaft extension part of the cutter body seat is provided with a stop surface, and the guide hole for installing the cutter blade main body is arranged on the core part of the cutter body seat and penetrates through the upper end surface of the cutter body seat and the lower end surface of the shaft extension part. According to the utility model, the blade body and the blade body seat are assembled and connected into a whole by adopting a thermal assembly process, the blade body seat can generate a thermal expansion effect after being heated, the blade body seat can be naturally clamped after being cooled by putting the blade into the blade body seat, the process flow is simple, and the production and processing efficiency is greatly improved.
Description
Technical Field
The utility model relates to the technical field of sharpening tool rests, in particular to a novel three-blade electrode cap sharpening tool body.
Background
The resistance welder adopts an electrode cap to participate in the welding of metal parts, the electrode cap is used as a wearing part, and in the welding process, the main failure modes are plastic deformation, surface alloying, recrystallization and adhesion, so that the service life of the electrode is reduced. Because the electrode cap is made of copper-based alloys such as pure copper, chromium zirconium copper, silicon nickel copper and the like, the manufacturing cost is high, and the electrode cap is usually reused after being repaired by adopting a coping knife rest.
The utility model of China with the patent number of 202120249556.X discloses a split electrode cap coping cutter holder, a cutter body seat and a cutter edge main body are connected through interference fit, and the technical effect of the split electrode cap coping cutter holder with the same strength as that of the existing multi-edge electrode cap coping cutter holder is obtained; the included angle a arranged on the blade body reduces the cutting force, does not generate cutting resistance and eliminates vibration generated by cutting, thereby prolonging the service life, improving the grinding quality of the electrode cap, saving the use of the material of the blade body and reducing the cost; the cutter body seat and the cutter blade main body are connected through interference fit, so that the production process difficulty is high, and the requirement on the machining precision is high; secondly, the material cost of the cutter body seat made of high-quality carbon structural steel and the cutter blade main body made of tungsten carbide hard alloy steel is too high, which is not beneficial to reducing the whole production and processing cost and improving the economic benefit.
It is therefore desirable to provide a new three-bladed electrode cap repair blade to solve the above-mentioned problems.
Disclosure of Invention
The technical problem to be solved by the utility model is that the cutter body seat and the cutter blade main body are connected by interference fit, so that the difficulty of the production process is high, and the requirement on the machining precision is high; secondly, the material cost of the cutter body seat made of high-quality carbon structural steel and the cutter blade main body made of tungsten carbide hard alloy steel is too high, which is not beneficial to reducing the whole production and processing cost and improving the economic benefit.
In order to solve the technical problems, the utility model adopts a technical scheme that: the novel three-blade electrode cap trimming knife comprises a knife body seat and a knife edge main body arranged on the core part of the knife body seat;
the cutter body seat is symmetrically provided with a first positioning groove and a second positioning groove, mounting holes are formed in the bottoms of the first positioning groove and the second positioning groove, and the mounting holes are used for connecting the cutter body seat with the knife grinder and placing the shaft extension part of the cutter body seat in the knife grinder;
the knife body seat is provided with a shaft extension part, the knife body seat is provided with symmetrical stop surfaces, the stop surfaces are attached to the plane surface inside the knife sharpener, the knife sharpener does not rotate between the knife body seat and the knife sharpener when in operation, the knife body seat is also provided with a guide hole for installing a knife edge main body, and the guide hole penetrates through the upper end surface of the knife body seat and the lower end surface of the shaft extension part; the upper end and the lower end of the blade main body are symmetrically provided with blades consisting of three blade bodies, an included angle gamma is formed between main blades of each adjacent blade bodies, a smooth concave curved surface part is arranged on the rear corner surface of the middle part of each blade body, a curved auxiliary blade is generated on the rear corner surface by the curved surface part, when an electrode cap is polished, the main blade cuts the accumulated chips on the electrode cap, after the head of the electrode cap is repaired through the curved surface part, the head of the electrode cap which is in a smooth transition arc column shape and corresponds to the curved surface part in the smooth concave is obtained, meanwhile, the deviation difference of the axle center of the electrode cap can be corrected through the curved surface part, and meanwhile, secondary polishing of the head of the electrode cap is carried out through the auxiliary blade, so that the electrode cap after the electrode cap is repaired is more perfect, and meanwhile, the electrode cap after the electrode cap is repaired is easy to obtain higher welding quality during working;
the cutter body seat is fixed on the outer side of the cutter body through hot assembly, an included angle is formed between the main cutter blade and the center line of the cutter body seat, the cutter body seat generates a thermal expansion effect through heating, and the cutter body is placed in the cutter body seat and then cooled to naturally clamp the cutter body, so that stable matched connection is realized; the included angle a has the functions of enabling the main cutter blade to be sharper, reducing cutting force and overcoming uneven cutting force; when the electrode cap is polished, the included angle a enables the main blade to be in point contact with the electrode cap to be repaired in sequence to be in line contact with the electrode cap, and then the electrode cap is in surface contact with the curved surface part, vibration and cutting force generated during cutting are counteracted and decomposed by the included angle a, so that vibration generated during cutting is eliminated, and the phenomenon of tipping is solved. The cutting edge of the existing split electrode cap coping tool rest and the side wall of the tool rest are in a linear structure, and an included angle for counteracting and decomposing the cutting force of the cutting edge is not set, so that the structure cannot counteract the cutting force, otherwise, the cutting force is increased, and accordingly, the generated cutting vibration is also increased, and the phenomenon of 'tipping' of the cutting edge caused by vibration can be generated during coping, so that the tool set cannot be used.
The utility model is further provided with: the cutter body seat and the shaft extension part are of an integrated structure.
Through above-mentioned technical scheme for its overall structure is more firm stable, also is convenient for simultaneously assemble fast.
The utility model is further provided with: the cutter body seat is made of stainless steel, and the cutter blade main body is made of high-speed tool steel with a plating layer or hard alloy.
Through the technical scheme, the cutter body seat made of stainless steel is lower in cost, the material is easy to obtain, and the cutter body made of high-speed tool steel and a plating layer or hard alloy is high in overall strength, stable in structure and lower in cost.
The utility model is further provided with: the included angle of γ is 120 °.
Through the technical scheme, the blade bodies are uniformly distributed, so that the balance of the blade bodies during rotation is facilitated, and the heat dissipation of the adjacent blade bodies is also facilitated.
The utility model is further provided with: the included angle a is 10 degrees.
Through the technical scheme, the bearing strength of the blade body is reduced due to the fact that the alpha included angle is too large, the cutting resistance is increased due to the fact that the angle is too small, and vibration is easy to generate, and therefore the alpha included angle is 10 degrees, and is a reasonable angle value.
The beneficial effects of the utility model are as follows:
1. the cutter body seat is made of stainless steel, and the cutter body is made of high-speed tool steel, plating layers or hard alloy, so that the cutter body seat has high overall strength, stable structure, lower cost and easily available materials;
2. according to the utility model, the blade main body and the blade body seat are assembled and connected into a whole by adopting a thermal assembly process, the blade body seat can generate a thermal expansion effect after being heated, the blade body seat can be naturally clamped after being cooled by putting the blade into the blade body seat, the process flow is simple, and the production and processing efficiency is greatly improved;
3. the included angle a arranged on the blade main body reduces the cutting force, does not generate cutting resistance, eliminates vibration generated by cutting, thereby prolonging the service life, improving the grinding quality of the electrode cap, prolonging the service life of the electrode cap, enabling the number of times of trimming the electrode cap to reach 50 to 60 times and saving 10 to 30 percent of the electrode cap;
4. the utility model not only saves the use of the materials of the blade main body, but also reduces the cost of the tool rest body and the electrode cap at the same time.
Drawings
FIG. 1 is a first view angle structure diagram of a first embodiment of the present utility model;
FIG. 2 is a diagram showing a second view angle structure according to the first embodiment of the present utility model;
FIG. 3 is a front view of a first embodiment of the present utility model;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;
FIG. 5 is a bottom view of a first embodiment of the present utility model;
FIG. 6 is a bottom view of a blade body according to an embodiment of the present utility model;
FIG. 7 is a perspective view of a blade body according to an embodiment of the present utility model;
FIG. 8 is a front view of a blade body according to an embodiment of the present utility model;
FIG. 9 is a top view of a second embodiment;
fig. 10 is a perspective view of the second embodiment;
FIG. 11 is a bottom view of the third embodiment;
fig. 12 is a perspective view of the fourth embodiment;
fig. 13 is a top view of the fourth embodiment.
In the figure: 1. a cutter body seat; 2. a blade body; 3. a first positioning groove; 4. a shaft extension; 5. a stop surface; 6. a mounting hole; 7. a guide hole; 8. a second positioning groove; 9. a cutter head; 10. a blade body; 11. a main blade; 12. a curved surface portion; 13. an auxiliary blade; 14. and the rear corner surface.
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.
Examples:
referring to fig. 1-8, a novel three-blade electrode cap trimming knife body comprises a knife body seat 1 and a knife edge main body 2 arranged on the core part of the knife body seat 1, wherein the knife body seat 1 is made of stainless steel, and the knife edge main body 2 is made of high-speed tool steel; the cutter body seat 1 made of stainless steel has lower cost, the materials are easy to obtain, and the cutter body 2 made of high-speed tool steel and plating or hard alloy has high integral strength, stable structure and lower cost;
as shown in fig. 1, a first positioning groove 3 and a second positioning groove 8 are symmetrically formed in a cutter body seat 1, mounting holes 6 are formed in the bottoms of the first positioning groove 3 and the second positioning groove 8, and the mounting holes 6 are used for connecting the cutter body seat 1 with a knife grinder and placing an axle extension part 4 of the cutter body seat 1 in the knife grinder;
as shown in fig. 6, the bottom of the cutter body seat 1 is provided with a shaft extension part 4, the cutter body seat 1 and the shaft extension part 4 are in an integrated structure, so that the whole structure is more firm and stable, meanwhile, the quick assembly is convenient, the cutter body seat 1 is provided with symmetrical stop surfaces 5, the stop surfaces 5 are attached to a plane surface in the knife sharpener, the knife sharpener does not rotate between the cutter body seat 1 and the knife sharpener when in operation, the cutter body seat 1 is also provided with a guide hole 7 for installing the cutter edge main body 2, and the guide hole 7 penetrates through the upper end surface of the cutter body seat 1 and the lower end surface of the shaft extension part 4; the cutter heads 9 formed by three cutter bodies 10 are symmetrically arranged at the upper end and the lower end of the cutter body 2, and an included angle gamma is formed between the main cutter edges 11 of each adjacent cutter body 10, wherein the included angle gamma is 120 degrees, so that the cutter bodies 10 are uniformly distributed, the balance of the cutter body 2 during rotation is facilitated, and the heat dissipation of the adjacent cutter bodies 10 is also facilitated;
as shown in fig. 6-7, a smooth concave curved surface portion 12 is arranged on a rear corner surface 14 in the middle of each blade body 10, a curved auxiliary blade 13 is generated on the curved surface portion 12 on the rear corner surface 14, when the electrode cap is polished, the main blade 11 cuts accumulated chips on the electrode cap, after the head of the electrode cap is repaired through the curved surface portion 12, the head of the electrode cap in a smooth transition arc column shape corresponding to the smooth concave curved surface portion 12 is obtained, meanwhile, the deviation difference of the axis of the electrode cap can be corrected through the curved surface portion 12, and meanwhile, secondary polishing of the head of the electrode cap is carried out through the auxiliary blade 13, so that the electrode cap after the electrode cap is repaired is more perfect, and meanwhile, the repaired electrode cap is easy to obtain higher welding quality during operation;
the cutter body seat 1 is fixed on the outer side of the cutter body 2 through hot assembly, the cutter body seat 1 generates a thermal expansion effect through heating, the cutter body 2 is placed into the cutter body seat 1 and then naturally clamps the cutter body 2 through cooling, and therefore stable matched connection is achieved;
as shown in fig. 5, the main cutting edge 11 forms an A-Angle with the center line of the cutter body seat 1, the A-Angle is 10 °, the excessive A-Angle can reduce the bearing strength of the cutting edge body 10, the excessively small angle can increase the cutting resistance and is easy to vibrate, so that the A-Angle is 10 ° which is a more reasonable angle value of the utility model; the included angle a has the functions of enabling the main cutter blade 11 to be sharper, reducing the cutting force and overcoming the uneven cutting force; when the electrode cap is polished, the included angle a enables the main cutter blade 11 to be in point contact with the electrode cap to be repaired in sequence to be in line contact with the surface of the curved surface part 12, and vibration and cutting force generated during cutting are counteracted and decomposed by the included angle a, so that vibration generated during cutting is eliminated, and the phenomenon of tipping is solved. The cutting edge of the existing split electrode cap coping tool rest and the side wall of the tool rest are in a linear structure, and an included angle for counteracting and decomposing the cutting force of the cutting edge is not set, so that the structure cannot counteract the cutting force, otherwise, the cutting force is increased, and accordingly, the generated cutting vibration is also increased, and the phenomenon of 'tipping' of the cutting edge caused by vibration can be generated during coping, so that the tool set cannot be used.
In order to firmly connect the blade body 2 with the cutter body seat 1 into a whole, the utility model adopts a hot assembly process to assemble and connect the blade body 2 with the cutter body seat 1 into a whole;
the method specifically comprises the following steps:
step one, heating the cutter body seat 1 to 500-1000 ℃ to enable the whole outline of the cutter body seat 1 to be heated and expanded;
step two, fixing the cutter body seat 1 with an assembly table through the mounting hole 6 of the cutter body seat;
step three, placing the blade body 2 in the cutter body seat 1, and enabling the blade body 2 to be positioned at the right center of the cutter body seat 1;
and step four, after the cutter body seat 1 naturally cools and contracts, the cutter body 2 can be naturally clamped, so that stable matched connection is realized, and the cutter body 2 and the cutter body seat 1 are connected into a whole.
Compared with the existing multi-blade electrode cap coping knife rest, the manufacturing difficulty and the manufacturing cost are reduced; compared with the existing split type electrode cap grinding tool rest, the cutting force is reduced, the cutting resistance is not generated, vibration generated by cutting is eliminated, the grinding quality of the electrode cap is improved, the service life of the electrode cap is prolonged, the limit of grinding the electrode cap is about 30 to 40 times, the electrode cap can be ground by using the blade of the utility model, and the electrode cap can be ground for 50 to 60 times.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (5)
1. The utility model provides a novel three leaf formula electrode cap repair knife body, includes cutter body seat (1) and sets up in cutting edge main part (2) of cutter body seat (1) core, its characterized in that: the cutter body seat (1) is symmetrically provided with a first positioning groove (3) and a second positioning groove (8), and mounting holes (6) are formed in the bottoms of the first positioning groove (3) and the second positioning groove (8);
the bottom of the cutter body seat (1) is provided with an axle extending part (4), the cutter body seat (1) is provided with symmetrical stop surfaces (5), the cutter body seat (1) is also provided with a guide hole (7) for installing the cutter blade main body (2), and the guide hole (7) penetrates through the upper end surface of the cutter body seat (1) and the lower end surface of the axle extending part (4); the cutter head (9) formed by three cutter bodies (10) is symmetrically arranged at the upper end and the lower end of the cutter body (2), an included angle gamma is formed between the main cutter edges (11) of each adjacent cutter body (10), a smooth concave curved surface part (12) is arranged on a rear corner surface (14) of the middle part of each cutter body (10), and a curved auxiliary cutter edge (13) is formed on the rear corner surface (14) by the curved surface part (12);
the cutter body seat (1) is fixed on the outer side of the cutter body (2) through hot assembly, and the main cutter blade (11) and the central line of the cutter body seat (1) form an alphA-Angle.
2. The novel three-leaf electrode cap trimming blade according to claim 1, wherein: the cutter body seat (1) and the shaft extension part (4) are of an integrated structure.
3. The novel three-leaf electrode cap trimming blade according to claim 1, wherein: the cutter body seat (1) is made of stainless steel, and the cutter blade main body (2) is made of high-speed tool steel with a plating layer or hard alloy.
4. The novel three-leaf electrode cap trimming blade according to claim 1, wherein: the included angle of γ is 120 °.
5. The novel three-leaf electrode cap trimming blade according to claim 1, wherein: the included angle a is 10 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223312516.9U CN219189683U (en) | 2022-12-10 | 2022-12-10 | Novel three-leaf electrode cap repair knife body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223312516.9U CN219189683U (en) | 2022-12-10 | 2022-12-10 | Novel three-leaf electrode cap repair knife body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219189683U true CN219189683U (en) | 2023-06-16 |
Family
ID=86717498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223312516.9U Active CN219189683U (en) | 2022-12-10 | 2022-12-10 | Novel three-leaf electrode cap repair knife body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219189683U (en) |
-
2022
- 2022-12-10 CN CN202223312516.9U patent/CN219189683U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108994556A (en) | The processing method of monoblock type multiple-cutting-edge profile cutter | |
| CN219189683U (en) | Novel three-leaf electrode cap repair knife body | |
| CN214393240U (en) | Split type electrode cap coping knife rest | |
| CN113770399B (en) | Tool for machining deep hole of intermediate case of aircraft engine and machining method of tool | |
| CN212094803U (en) | Multi-edge type electrode cap coping cutter rest | |
| CN111390371B (en) | Multi-blade electrode cap coping knife rest | |
| CN114559567B (en) | Processing method of large-size quartz ring product | |
| CN112719965A (en) | Split type electrode cap coping knife rest | |
| CN108994363A (en) | The manufacturing method of polycrystalline diamond entirety cutting tool | |
| CN215433779U (en) | Welding type blade of rotary shaver | |
| CN214517945U (en) | Hard alloy circular saw blade | |
| CN108943432A (en) | Monoblock type multiple-cutting-edge profile cutter | |
| CN213471725U (en) | Blank trimming boring cutter for graphite processing | |
| CN113649633A (en) | Corrugated spiral milling cutter for finish machining of aerospace materials | |
| CN209903617U (en) | Polycrystalline diamond integral cutting tool | |
| CN111673102B (en) | Cutting accessory and application thereof | |
| CN207479703U (en) | PCD forming cutters | |
| CN106181587A (en) | In-situ authigenic type TiB2particle enhanced aluminum-based composite material grinding processing method | |
| CN215698058U (en) | Welding tool assembly | |
| CN211840177U (en) | Special cutter for turning steel pipe groove | |
| CN109304814A (en) | Polycrystalline diamond entirety cutting tool | |
| CN111940885B (en) | Split type welding electrode coping cutter | |
| CN218856606U (en) | Electrode coping ware tool bit and novel electrode coping equipment | |
| CN113385722B (en) | Combined edge indexable machine addition type cutter | |
| CN108943435A (en) | Whole PC D8 sword profile cutter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |