CN206317170U - A kind of cutting knife for CD punching - Google Patents
A kind of cutting knife for CD punching Download PDFInfo
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- CN206317170U CN206317170U CN201621200701.0U CN201621200701U CN206317170U CN 206317170 U CN206317170 U CN 206317170U CN 201621200701 U CN201621200701 U CN 201621200701U CN 206317170 U CN206317170 U CN 206317170U
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- punching
- cutting edge
- blade
- edge collar
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Abstract
The utility model discloses a kind of cutting knife for CD punching, including cutter supports, the front end of the cutter supports is fixedly installed punching external mold and punching internal model, the cutter supports, the punching external mold and the punching internal model three are coaxial, cooling water channel is provided between the punching external mold and the punching internal model, the front end of the punching external mold and the punching internal model is provided with blade, the blade and is arranged with the cutting edge collar, and the cutting edge collar is fixedly connected with the blade.The cutting knife that the utility model is provided is arranged with the cutting edge collar on blade, and the cutting edge collar hardness can do high to HRC58~60 or so, and cutting edge is sharp, external diameter roughness is good, can solve punching disc cracking, inner-hole burr and it is continuous a series of problems, such as.Its service life is worked as with buying new part cycle phase, can be cost-effective, and can reuse.
Description
Technical field
The utility model is related to a kind of compact disc mold, and in particular to a kind of cutting knife for CD punching.
Background technology
At present, the punching die of CD will be transported back and forth for one day in process of production, it is necessary to constantly do reciprocal punching campaign
Dynamic tens of thousands of times, cause punching die easily to generate heat, so being necessarily provided with cooling inside punching die due to punching number of times frequently
Water channel is cooled down to it, it is ensured that punching quality.Punching die is in punch process simultaneously, and the external force born is than larger so that
Cutting knife blade for CD punching easily weares and teares.
Referring to Fig. 1, the existing cutting knife for CD punching includes cutter supports 1, and the front end of cutter supports 1 is fixedly installed
There are punching external mold 2 and punching internal model 3, the cutter supports 1, the punching external mold 2 and the three of punching internal model 3 are coaxial, institute
State and cooling water channel 4 is provided between punching external mold 2 and the punching internal model 3, the punching external mold 2 and the punching internal model 3
Front end is provided with blade, and the cooling water channel 4 is closed close to one end of the blade.
The hardness of the existing cutting knife for CD punching is HRC50 or so, and integral hardness is not high, because of the cutting edge that acts frequently
External diameter is easily pulled and is passivated, and causes such as punching disc cracking, punching disc endoporus burr burr and because blade is not sharp
Caused the problems such as rush continuous, if improving the integral hardness of cutting knife, screwed hole easily ftractures, fragility.
Utility model content
Technical problem to be solved in the utility model is to solve cutting edge external diameter the asking of easily pulling and be passivated of cutting knife
Topic.
In order to solve the above-mentioned technical problem, the utility model provides a kind of cutting knife for CD punching, including cutting knife
Bearing, the front end of the cutter supports is fixedly installed punching external mold and punching internal model, the cutter supports, the punching external mold
It is coaxial with the punching internal model three, cooling water channel, the punching are provided between the punching external mold and the punching internal model
The front end of external mold and the punching internal model, which is provided with blade, the blade, is arranged with the cutting edge collar that hardness is more than the blade,
The cutting edge collar is fixedly connected with the blade.
Further, the cutting edge collar is the torus of steel.
Further, the internal diameter of the cutting edge collar is less than the external diameter of the punching external mold, the cutting edge collar and described
It is interference fit between blade, the cutting edge collar (5) and the blade pass through fixed gemel connection.
Further, the external diameter of the cutting edge collar is identical with the external diameter of the punching external mold.
Further, the cooling water channel is closed close to one end of the blade.
Further, the hardness of the blade is HRC48~52.
Further, the hardness of the cutting edge collar is HRC58~60.
Further, the center of the punching internal model is provided with the through hole coaxial with the punching internal model.
Implement the utility model to have the advantages that：
1st, the cutting knife that the utility model is provided is arranged with the cutting edge collar on blade, and the hardness of the cutting edge collar is more than institute
State the hardness of blade, the cutting edge collar is fixedly connected with the blade, the cutting edge collar hardness can do it is high to HRC58~
60 or so, cutting edge of the present utility model is sharp, external diameter roughness is good, can solve punching disc cracking, inner-hole burr and constantly etc.
A series of problems.
2nd, because the cutting edge collar is local location in the cutting knife that the utility model is provided, whole cutting knife is not interfered with strong
Degree, the hardness of the cutting edge collar is done after height, and its service life is worked as with buying new part cycle phase, more robust, and expense is new ten
/ mono-, can be cost-effective, and can reuse.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation for cutting knife for CD punching that prior art is provided；
Fig. 2 is a kind of structural representation for cutting knife for CD punching that the utility model is provided；
Fig. 3 is the enlarged diagram on the cutting knife head that the utility model is provided.
Wherein, 1- cutter supports, 2- punching external molds, 3- punching internal models, 4- cooling water channels, 5- blades, the 6- cutting edge collars, 7-
Fixing glue.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the premise of creative work
Lower obtained every other embodiment, belongs to the scope of the utility model protection.
Embodiment one
Referring to Fig. 2 and Fig. 3, the utility model provides a kind of cutting knife for CD punching, including cutter supports 1, institute
The front end for stating cutter supports 1 is fixedly installed punching external mold 2 and punching internal model 3, the cutter supports 1, the and of punching external mold 2
The three of punching internal model 3 is coaxial, and cooling water channel 4, the punching are provided between the punching external mold 2 and the punching internal model 3
The front end of hole external mold 2 and the punching internal model 3, which is provided with blade, the blade, is arranged with the cutting edge set that hardness is more than the blade
Ring 5, the cutting edge collar 5 is fixedly connected with the blade.
Further, the cutting edge collar 5 is formed by a steel collar by processing and heat treatment, is the torus of steel.
The processing technology of the cutting edge collar 5 is as follows：Machining, heat treatment after accurate processing, installs heating collar, cutting knife
Head outer diameter applies fixing glue 6 and squeezes into cutting knife head, regrinds flat polishing.
Difficult point in process is：One is the heat treatment of the cutting edge collar 5, and the hardness of the cutting edge collar 5 is inclined as described
Height easily ftractures after installing, and the cutting edge collar 5 uses the easily abrasion easy breach of cutting edge after lower hardness installation.Therefore it is described
The cutting edge collar 5 needs a large amount of experiences of heat treatment process needs, continuously attempts to.Two be the processing and installation of the cutting edge collar 5.Such as
The gap of the really described cutting edge collar 5 and the blade is too big, then easily comes off；If the cutting edge collar 5 and the blade
Gap is too small, then easily cracking causes leak；The installation of the cutting edge collar 5 is also required to firmly uneven in skill, installation process
Easily break.
The Technology for Heating Processing of the cutting edge collar 5 is as follows：Machining is completed, and -- quenching (needing protective case) -- is tempered (wind twice
It is cold).
Further, the internal diameter of the cutting edge collar 5 is less than the external diameter of the punching external mold 2, the cutting edge collar 5 and institute
State between blade as interference fit, the cutting edge collar 5 and the blade are connected by fixing glue 6.
Further, and the external diameter of the cutting edge collar 5 is identical with the external diameter of the punching external mold 2.
Further, the cooling water channel 4 is closed close to one end of the blade.
Further, the hardness of the blade is HRC48.
Further, the hardness of the cutting edge collar 5 is HRC58.
Further, the center of the punching internal model 3 is provided with the through hole 7 coaxial with the punching internal model 3.
Implement the utility model to have the advantages that：
1st, the cutting knife that the utility model is provided is arranged with the cutting edge collar on blade, and the hardness of the cutting edge collar is more than institute
State the hardness of blade, the cutting edge collar is fixedly connected with the blade, the cutting edge collar hardness can do it is high to HRC58~
60 or so, cutting edge of the present utility model is sharp, external diameter roughness is good, can solve punching disc cracking, inner-hole burr and constantly etc.
A series of problems.
2nd, because the cutting edge collar is local location in the cutting knife that the utility model is provided, whole cutting knife is not interfered with strong
Degree, the hardness of the cutting edge collar is done after height, and its service life is worked as with buying new part cycle phase, more robust, and expense is new ten
/ mono-, can be cost-effective, and can reuse.
Embodiment two
Referring to Fig. 2 and Fig. 3, the utility model provides a kind of cutting knife for CD punching, including cutter supports 1, institute
The front end for stating cutter supports 1 is fixedly installed punching external mold 2 and punching internal model 3, the cutter supports 1, the and of punching external mold 2
The three of punching internal model 3 is coaxial, and cooling water channel 4, the punching are provided between the punching external mold 2 and the punching internal model 3
The front end of hole external mold 2 and the punching internal model 3, which is provided with blade, the blade, is arranged with the cutting edge set that hardness is more than the blade
Ring 5, the cutting edge collar 5 is fixedly connected with the blade.
Further, the cutting edge collar 5 is formed by a steel collar by processing and heat treatment, is the torus of steel.
The processing technology of the cutting edge collar 5 is as follows：Machining, heat treatment after accurate processing, installs heating collar, cutting knife
Head outer diameter applies fixing glue 6 and squeezes into cutting knife head, regrinds flat polishing.
Difficult point in process is：One is the heat treatment of the cutting edge collar 5, and the hardness of the cutting edge collar 5 is inclined as described
Height easily ftractures after installing, and the cutting edge collar 5 uses the easily abrasion easy breach of cutting edge after lower hardness installation.Therefore it is described
The cutting edge collar 5 needs a large amount of experiences of heat treatment process needs, continuously attempts to.Two be the processing and installation of the cutting edge collar 5.Such as
The gap of the really described cutting edge collar 5 and the blade is too big, then easily comes off；If the cutting edge collar 5 and the blade
Gap is too small, then easily cracking causes leak；The installation of the cutting edge collar 5 is also required to firmly uneven in skill, installation process
Easily break.
The Technology for Heating Processing of the cutting edge collar 5 is as follows：Machining is completed, and -- quenching (needing protective case) -- is tempered (wind twice
It is cold).
Further, the internal diameter of the cutting edge collar 5 is less than the external diameter of the punching external mold 2, the cutting edge collar 5 and institute
State between blade as interference fit, the cutting edge collar 5 and the blade are connected by fixing glue 6.
Further, the external diameter of the cutting edge collar 5 is identical with the external diameter of the punching external mold 2.
Further, the cooling water channel 4 is closed close to one end of the blade.
Further, the hardness of the blade is HRC50.
Further, the hardness of the cutting edge collar 5 is HRC59.
Further, the center of the punching internal model 3 is provided with the through hole 7 coaxial with the punching internal model 3.
Implement the utility model to have the advantages that：
1st, the cutting knife that the utility model is provided is arranged with the cutting edge collar on blade, and the hardness of the cutting edge collar is more than institute
State the hardness of blade, the cutting edge collar is fixedly connected with the blade, the cutting edge collar hardness can do it is high to HRC58~
60 or so, cutting edge of the present utility model is sharp, external diameter roughness is good, can solve punching disc cracking, inner-hole burr and constantly etc.
A series of problems.
2nd, because the cutting edge collar is local location in the cutting knife that the utility model is provided, whole cutting knife is not interfered with strong
Degree, the hardness of the cutting edge collar is done after height, and its service life is worked as with buying new part cycle phase, more robust, and expense is new ten
/ mono-, can be cost-effective, and can reuse.
Embodiment three
Referring to Fig. 2 and Fig. 3, the utility model provides a kind of cutting knife for CD punching, including cutter supports 1, institute
The front end for stating cutter supports 1 is fixedly installed punching external mold 2 and punching internal model 3, the cutter supports 1, the and of punching external mold 2
The three of punching internal model 3 is coaxial, and cooling water channel 4, the punching are provided between the punching external mold 2 and the punching internal model 3
The front end of hole external mold 2 and the punching internal model 3, which is provided with blade, the blade, is arranged with the cutting edge set that hardness is more than the blade
Ring 5, the cutting edge collar 5 is fixedly connected with the blade.
Further, the cutting edge collar 5 is formed by a steel collar by processing and heat treatment, is the torus of steel.
The processing technology of the cutting edge collar 5 is as follows：Machining, heat treatment after accurate processing, installs heating collar, cutting knife
Head outer diameter applies fixing glue 6 and squeezes into cutting knife head, regrinds flat polishing.
Difficult point in process is：One is the heat treatment of the cutting edge collar 5, and the hardness of the cutting edge collar 5 is inclined as described
Height easily ftractures after installing, and the cutting edge collar 5 uses the easily abrasion easy breach of cutting edge after lower hardness installation.Therefore it is described
The cutting edge collar 5 needs a large amount of experiences of heat treatment process needs, continuously attempts to.Two be the processing and installation of the cutting edge collar 5.Such as
The gap of the really described cutting edge collar 5 and the blade is too big, then easily comes off；If the cutting edge collar 5 and the blade
Gap is too small, then easily cracking causes leak；The installation of the cutting edge collar 5 is also required to firmly uneven in skill, installation process
Easily break.
The Technology for Heating Processing of the cutting edge collar 5 is as follows：Machining is completed, and -- quenching (needing protective case) -- is tempered (wind twice
It is cold).
Further, the internal diameter of the cutting edge collar 5 is less than the external diameter of the punching external mold 2, and the cutting edge collar 5
External diameter is identical with the external diameter of the punching external mold 2.
Further, it is interference fit, the cutting edge collar 5 and the knife between the cutting edge collar 5 and the blade
Sword is connected by fixing glue 6.
Further, the cooling water channel 4 is closed close to one end of the blade.
Further, the hardness of the blade is HRC52.
Further, the hardness of the cutting edge collar 5 is HRC60.
Further, the center of the punching internal model 3 is provided with the through hole 7 coaxial with the punching internal model 3.
Implement the utility model to have the advantages that：
1st, the cutting knife that the utility model is provided is arranged with the cutting edge collar on blade, and the hardness of the cutting edge collar is more than institute
State the hardness of blade, the cutting edge collar is fixedly connected with the blade, the cutting edge collar hardness can do it is high to HRC58~
60 or so, cutting edge of the present utility model is sharp, external diameter roughness is good, can solve punching disc cracking, inner-hole burr and constantly etc.
A series of problems.
2nd, because the cutting edge collar is local location in the cutting knife that the utility model is provided, whole cutting knife is not interfered with strong
Degree, the hardness of the cutting edge collar is done after height, and its service life is worked as with buying new part cycle phase, more robust, and expense is new ten
/ mono-, can be cost-effective, and can reuse.
The above is preferred embodiment of the present utility model, it is noted that for the ordinary skill of the art
For personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and moistened
Decorations are also considered as protection domain of the present utility model.
Claims (8)
1. a kind of cutting knife for CD punching, it is characterised in that including cutter supports (1), the front end of the cutter supports (1)
It is fixedly installed punching external mold (2) and punching internal model (3), the cutter supports (1), the punching external mold (2) and the punching
Internal model (3) three is coaxial, and cooling water channel (4), the punching are provided between the punching external mold (2) and the punching internal model (3)
The front end of hole external mold (2) and the punching internal model (3), which is provided with blade, the blade, is arranged with the sword that hardness is more than the blade
Muzzle ring (5), the cutting edge collar (5) is fixedly connected with the blade.
2. a kind of cutting knife for CD punching according to claim 1, it is characterised in that the cutting edge collar (5) is
The torus of steel.
3. a kind of cutting knife for CD punching according to claim 2, it is characterised in that the cutting edge collar (5)
Internal diameter is less than the external diameter of the punching external mold (2), is interference fit, the sword between the cutting edge collar (5) and the blade
Muzzle ring (5) and the blade are connected by fixing glue (6).
4. a kind of cutting knife for CD punching according to claim 3, it is characterised in that the cutting edge collar (5)
External diameter is identical with the external diameter of the punching external mold (2).
5. a kind of cutting knife for CD punching according to claim 1, it is characterised in that the cooling water channel (4) is leaned on
One end closing of the nearly blade.
6. a kind of cutting knife for CD punching according to claim 1-5 any one, it is characterised in that the blade
Hardness be HRC48~52.
7. a kind of cutting knife for CD punching according to claim 6, it is characterised in that the cutting edge collar (5)
Hardness is HRC58~60.
8. a kind of cutting knife for CD punching according to claim 7, it is characterised in that the punching internal model (3)
Center is provided with the through hole (7) coaxial with the punching internal model (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621200701.0U CN206317170U (en) | 2016-11-04 | 2016-11-04 | A kind of cutting knife for CD punching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621200701.0U CN206317170U (en) | 2016-11-04 | 2016-11-04 | A kind of cutting knife for CD punching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206317170U true CN206317170U (en) | 2017-07-11 |
Family
ID=59262428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621200701.0U Active CN206317170U (en) | 2016-11-04 | 2016-11-04 | A kind of cutting knife for CD punching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206317170U (en) |
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2016
- 2016-11-04 CN CN201621200701.0U patent/CN206317170U/en active Active
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