CN203919220U - Punching tool - Google Patents
Punching tool Download PDFInfo
- Publication number
- CN203919220U CN203919220U CN201420340045.9U CN201420340045U CN203919220U CN 203919220 U CN203919220 U CN 203919220U CN 201420340045 U CN201420340045 U CN 201420340045U CN 203919220 U CN203919220 U CN 203919220U
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- CN
- China
- Prior art keywords
- face
- punching tool
- knife
- acute angle
- blade
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Abstract
A kind of punching tool, comprises base plate and a blade part; Base plate has a surface, and on surface definition preset areas; Blade part protrudes from surface and is arranged on base plate around preset areas, and blade part has point of a knife, inner edge face and outside face, and wherein inner edge face and outside face lay respectively at the both sides of point of a knife; Inner edge mask has knife edge face and blade face, wherein between knife edge face and the vertical reference face by point of a knife, forms the first acute angle, between blade face and vertical reference face, forms the second acute angle, and wherein the first acute angle is greater than the second acute angle.The utility model can avoid flexible circuit board to be pushed by the inner edge face of blade part as far as possible, thereby can reduce the deflection of flexible circuit board, also can reduce flexible circuit board and be stuck in the probability between two blade parts.
Description
Technical field
The utility model relates to a kind of punching tool, particularly relates to a kind of for cutting the punching tool of flexible circuit board.
Background technology
Making flexible circuit board (flexible printed circuit, FPC) in process, need be by means of carrying out punch process processing procedure, cut flexible circuit board, and punch process processing procedure is to utilize pressing equipment and cutting die, large-sized flexible circuit board is cut into predetermined shape or size.
Please refer to Figure 1A, is the profile of the known cutting die that is used for die-cut flexible circuit board.Cutting die 5 has ground 50 and a pair of blade part 51.Blade part 51 has point of a knife 510 and is positioned at the both sides of point of a knife 510 and symmetrical two blade face 511a, 511b.And, blade face 511a with the angle at least 20 that forms by the vertical reference face P of point of a knife 510 to 25 degree, to maintain the intensity of blade part 51.
Please refer to Figure 1B, is the profile of the die-cut flexible circuit board of known cutting die.Because the material of flexible circuit board 2 is softer and have toughness, in the time flexible circuit board 2 being cut with cutting die 5, the degree of depth of inserting flexible circuit board 2 along with blade part 51 increases, the blade face 511a that is positioned at two blade part 51 inner sides can push mutually with flexible circuit board 2, and flexible circuit board 2 after causing cutting is out of shape, even may affect the line quality being made on flexible circuit board 2.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of punching tool, and it can reduce flexible circuit board punched cutter in punching press processing procedure and push and the degree of distortion by means of the angle of adjusting blade part.
The utility model embodiment provides a kind of punching tool, and it comprises base plate and blade part.Base plate has a surface, and on surface definition preset areas.Blade part protrudes from surface and is arranged on base plate around preset areas, and blade part has point of a knife, inner edge face and outside face, and wherein inner edge face and outside face lay respectively at the both sides of point of a knife.Inner edge mask has knife edge face and blade face, wherein between knife edge face and the vertical reference face by point of a knife, forms the first acute angle, between blade face and vertical reference face, forms the second acute angle, and wherein the first acute angle is greater than the second acute angle.
Further, between this outside face and this vertical reference face, form one the 3rd acute angle, and this second acute angle equates with the 3rd acute angle.
Preferably, the angular range of this first acute angle is between 15 to 25 degree, and the angular range of this second acute angle is between 1 to 10 degree.
Preferably, this punching tool further comprises a pad material, and it is upper that this pad material is arranged at surface, and be positioned at this preset areas.
Preferably, the material of this pad material is the wherein one among foam, rubber, silica gel or resin.
Preferably, this point of a knife is less than the thickness of this pad material to this surperficial vertical range.
Preferably, this knife edge face and this blade face intersect at a cutter crest line, and this cutter crest line to this surperficial vertical range is greater than the vertical range of this point of a knife to this cutter crest line.
Preferably, this base plate is identical with the material of this blade part.
This outside face and this blade face of this blade part are adjacent to this surface.
Preferably, this punching tool further comprises another blade part, and wherein this blade part and this another blade part are separated from each other, and symmetrically around this preset areas, and be relatively arranged on this base plate with this inner edge face.
Generally speaking, the punching tool of the utility model embodiment can be applicable to pressing equipment, so that flexible circuit board is cut.And the inner edge mask of punching tool has with vertical reference face and forms knife edge face and the blade face of different angles, the first acute angle that wherein knife edge face and vertical reference face form can be greater than the second acute angle that blade face and vertical reference face form.
Therefore, the distance being arranged between the relative inner edge face in preset areas two is successively decreased by point of a knife to backplate surface, but the amplitude of successively decreasing is less.Accordingly, in the time cutting flexible circuit board with the punching tool of the utility model embodiment, can avoid flexible circuit board to be pushed by the inner edge face of blade part as far as possible, thereby can reduce the deflection of flexible circuit board.
In order further to understand technology of the present utility model, refer to the following detailed description and the accompanying drawings.But appended accompanying drawing and annex are only for reference and use is described, are not used for the utility model to be limited.
Brief description of the drawings
Figure 1A and Figure 1B are the generalized section of the die-cut flexible circuit board of known cutting die;
Fig. 2 A is the top view of the punching tool of the utility model embodiment;
Fig. 2 B is the generalized section of the illustrated punching tool of Fig. 2 A A-A section along the line;
Fig. 2 C is that the blade part of punching tool of Fig. 2 A is in the partial enlarged drawing of region B;
Fig. 3 is the generalized section of punching tool and the sheet material of another embodiment of the utility model;
Fig. 4 and Fig. 5 are that the punching tool of Fig. 3 uses view.
[description of reference numerals]
1,1 ': punching tool
10: base plate
100: surface
100A: preset areas
11,51: blade part
12: pad material
110,510: point of a knife
111: inner edge face
111a: knife edge face
111b: blade face
111c: cutter crest line
112: outside face
1: the first acute angle of θ
2: the second acute angles of θ
3: the three acute angles of θ
P: vertical reference face
2,31: flexible circuit board
3: sheet material
30: flexible material layer
H1: the first vertical range
H2: the second vertical range
H: vertical range
T: thickness
5: cutting die
50: ground
511a, 511b: blade face
Detailed description of the invention
Hereinafter, will describe the utility model in detail by brief description of the drawings embodiment of the present utility model, and same reference numbers in accompanying drawing can be in order to assembly like representation class.About aforementioned and other technology contents, feature and effect of the present utility model, in the detailed description in following cooperation with reference to each embodiment of accompanying drawing, can clearly present.
The direction term of mentioning in following examples, for example: " on ", D score, 'fornt', 'back', " left side ", " right side " etc., be only the direction with reference to annexed drawings.Therefore, the direction term of use is for explanation, and is not used for limiting the utility model.And, in following each embodiment, adopt identical label to represent identical or approximate assembly.
Please refer to Fig. 2 A, Fig. 2 B and Fig. 2 C.Fig. 2 A is the top view of the punching tool of the utility model embodiment.Fig. 2 B is the generalized section of the illustrated punching tool of Fig. 2 A A-A section along the line.Fig. 2 C is that the blade part of punching tool of Fig. 2 A is in the partial enlarged drawing of region B.
The punching tool 1 of the utility model embodiment comprises base plate 10 and blade part 11, and wherein blade part 11 is arranged on base plate 10.Punching tool 1 can, in order to be installed in pressing equipment, to cut the softer sheet material of material, for example, be the flexible circuit board of single or multiple lift.In the utility model embodiment, when punching tool 1 carries out when die-cut, can avoiding extrusion plate in die-cut process to sheet material as far as possible, reduce the degree that sheet material is out of shape because of extruding.
Base plate 10 can be immobilizated on pressing equipment punching tool 1.Base plate 10 has a surface 100, and defines a preset areas 100A on surface 100.In one embodiment, preset areas 100A defines punched shape according to sheet material.
Blade part 11 protuberates 100 are also arranged on base plate 10 around preset areas 100A, in order to carry out die-cut to sheet material.Please refer to Fig. 2 A, in the present embodiment, punching tool 1 comprises a pair of blade part 11, is arranged at symmetrically on the surface 100 of base plate 10.And these blade parts 11 are be surrounded on the surrounding of preset areas 100A and arrange.In other embodiments, blade part 11 also can be ringwise, and around the surrounding of preset areas 100A and be arranged on base plate 10, but the utility model does not limit the setting position of blade part 11 on the surface 100 of base plate 10.
Please refer to Fig. 2 B, blade part 11 has point of a knife 110, inner edge face 111 and outside face 112, and wherein inner edge face 111 and outside face 112 lay respectively at the both sides of point of a knife 110.In the utility model embodiment, two blade parts 11 are to be arranged at Face to face on base plate 10 with inner edge face 111.
Inner edge face 111 has knife edge face 111a and blade face 111b.In the utility model embodiment, knife edge face 111a is and blade face 111b adjacency, and blade face 111b is adjacent to the surface 100 of base plate 10.And knife edge face 111a and blade face 111b intersect at cutter crest line 111c.
Please refer to Fig. 2 C, if definition is by point of a knife 110 and be vertical reference face P perpendicular to the plane on base plate 10 surfaces 100, between knife edge face 111a and vertical reference face P, form the first acute angle theta 1, blade face 111b and between vertical reference face P, form the second acute angle theta 2.In the utility model embodiment, the first acute angle theta 1 can be greater than the second acute angle theta 2.
Between outside face 112 and vertical reference face P, form the 3rd acute angle theta 3.In one embodiment, the first acute angle theta 1 equates with the angle of the 3rd acute angle theta 3.That is to say, the angle that knife edge face 111a and outside face 112 form can be greater than the angle that blade face 111b and outside face 112 form.In one embodiment, the angular range of the first acute angle theta 1 and the 3rd acute angle theta 3 is between 15 to 25 degree, and the angular range of the second acute angle theta 2 is between 1 to 10 degree.
The angle that knife edge face 111a and outside face 112 form is the summation of the first acute angle theta 1 and the 3rd acute angle theta 3, is approximately to drop between the scope of 35 to 50 degree, can maintain blade part 11 leading portions, namely the intensity from point of a knife 110 to cutter crest line 111c.
Particularly, when using punching tool 1 sheet material thicker to thickness and that toughness is higher to add man-hour, blade part 11 can be subject to larger resistance in the time of cuts sheet material.If the angle that knife edge face 111a and outside face 112 form is too small, be for example less than 35 degree, likely make blade part 11 leading portions impaired probability in die-cut process improve, thereby shorten the service life of punching tool.But the angle that the punching tool 1 of the utility model embodiment forms knife edge face 111a and outside face 112 drops between the scope of 35 to 50 degree, can maintain blade part 11 adds man-hour stability to sheet material.
In the present embodiment, point of a knife 110 is to be less than the second vertical range H2 of cutter crest line 111c to base plate 10 surfaces 100 to the first vertical range H1 of cutter crest line 111c.And the first vertical range H1 can have different sizes according to the thickness of sheet material.In one embodiment, the first vertical range H1 is the thickness that is less than or equal to sheet material.
Generally speaking, in the present embodiment, blade part 11 can be made by same material with base plate 10.In one embodiment, base plate 10 is all steel with the material of blade part 11.In addition, the punching tool 1 of the utility model embodiment can be one-body molded.In one embodiment, can be by steel plate after the procedure for processing such as overexposure, etching, recycling numerically-controlled machine tool (numericalcontrol machine) forms integrated punching tool 1.
Please refer to Fig. 3, it is the generalized section of punching tool and the sheet material of another embodiment of the utility model.In the present embodiment, punching tool 1 ' is installed on pressing equipment, so that sheet material 3 is carried out to die-cut processing procedure.
In the present embodiment, punching tool 1 ' more comprises pad material 12.Pad material 12 is to be arranged on the surface 100 of base plate 10, and is positioned at preset areas 100A.That is to say, pad material 12 is to be folded between two blade parts 11 and surface 100.In one embodiment, pad material 12 is to stick on ground 10 surfaces 100 by glue material.
In the present embodiment, the thickness t of pad material 12 is to be greater than the vertical range H of point of a knife 110 to ground 10 surfaces 100.In the utility model embodiment, the material that forms pad material 12 is elastomeric material, can be wherein a kind of among foam, rubber, silica gel or resin.
Please refer to Fig. 4 and Fig. 5.Fig. 4 and Fig. 5 are that the punching tool of Fig. 3 uses view.In the present embodiment, sheet material 3 comprises flexible material layer 30 and two-layer flexible circuit board 31, and wherein flexible material layer 30 is to be located between two-layer flexible circuit board 31.That is to say, in the present embodiment, the softness of sheet material 3 and toughness are all higher.
By finding out in Fig. 3, when punching tool 1 carries out when die-cut sheet material 3, pad material 12 can, before point of a knife 110 touches sheet material, first touch sheet material 3.In the time that point of a knife 110 touches sheet material 3 surperficial, pad material 12 produces elastic force because being compressed between sheet material 3 and base plate 10.The elastic force that pad material 12 produces can flatten sheet material 3, aims at the line of cut on sheet material 3 with the point of a knife 110 that facilitates punching tool 1 '.
The amplitude of being successively decreased to base plate 10 surfaces 100 by point of a knife 110 due to the distance being arranged between the inner edge face 111 that preset areas 100A two is relative is less.Accordingly, in the time that the punching tool 1 ' with the utility model embodiment cuts sheet material 3, can avoid sheet material 3 and pad material 12 to be pushed by the inner edge face 111 of blade part 11 as far as possible.And, by pad material 12, sheet material 3 is flattened, can effectively reduce the deflection of sheet material 3.
After sheet material 3 is punched, in the time moving on punching tool 1, by the elastic-restoring force pushing and pressing sheet material 3 of pad material 12 own, can avoid the sheet material 3 after being cut to be stuck between two blade parts 11.
In sum, the punching tool of the utility model embodiment can be applicable to pressing equipment, so that flexible circuit board is cut.And the inner edge mask of punching tool has with vertical reference face and forms knife edge face and the blade face of different angles, the first acute angle that wherein knife edge face and vertical reference face form can be greater than the second acute angle that blade face and vertical reference face form.
The distance of known cutting die between the inner side blade face of two relative blade parts is to be successively decreased by point of a knife to surface of bottom material, and the amplitude of successively decreasing is bigger than normal.Compared to known cutting die, though the distance of the punching tool of the utility model embodiment between two relative inner edge faces still successively decreased by point of a knife to backplate surface, the amplitude of successively decreasing is less.Accordingly, in the time cutting flexible circuit board with the punching tool of the utility model embodiment, can avoid flexible circuit board to be pushed by the inner edge face of blade part as far as possible, thereby can reduce the deflection of flexible circuit board.
In addition, the punching tool of the utility model embodiment comprises pad material, can front flexible circuit board be flattened flexible circuit board is punched.And, after flexible circuit board is cut, by the elastic-restoring force of pad material itself, can reduces flexible circuit board and be stuck in the probability between two blade parts.
Although the utility model with preferred embodiment openly as above; but it is not in order to limit the utility model, any those skilled in the art, not departing from the spirit and scope of the utility model; the equivalence of doing to change with modification is replaced, still within the utility model scope of patent protection.
Claims (10)
1. a punching tool, is characterized in that, comprising:
One base plate, has a surface, defines a preset areas on this surface; And
One blade part, protrude from this surface and be arranged on this base plate around this preset areas, wherein this blade part has a point of a knife, an inner edge face and an outside face, this inner edge face and this outside face lay respectively at the both sides of this point of a knife, this inner edge mask has a knife edge face and a blade face, wherein between this knife edge face and the vertical reference face by this point of a knife, form one first acute angle, between this blade face and this vertical reference face, form one second acute angle, wherein this first acute angle is greater than this second acute angle.
2. punching tool as claimed in claim 1, is characterized in that, form one the 3rd acute angle, and this second acute angle equates between this outside face and this vertical reference face with the 3rd acute angle.
3. punching tool as claimed in claim 2, is characterized in that, the angular range of this first acute angle is between 15 to 25 degree, and the angular range of this second acute angle is between 1 to 10 degree.
4. punching tool as claimed in claim 1, is characterized in that, this punching tool further comprises a pad material, and it is upper that this pad material is arranged at surface, and be positioned at this preset areas.
5. punching tool as claimed in claim 4, is characterized in that, the material of this pad material is the wherein one among foam, rubber, silica gel or resin.
6. punching tool as claimed in claim 4, is characterized in that, this point of a knife is less than the thickness of this pad material to this surperficial vertical range.
7. punching tool as claimed in claim 1, is characterized in that, this knife edge face and this blade face intersect at a cutter crest line, and this cutter crest line to this surperficial vertical range is greater than the vertical range of this point of a knife to this cutter crest line.
8. punching tool as claimed in claim 1, is characterized in that, this base plate is identical with the material of this blade part.
9. punching tool as claimed in claim 1, is characterized in that, this outside face and this blade face of this blade part are adjacent to this surface.
10. punching tool as claimed in claim 1, it is characterized in that, this punching tool further comprises another blade part, and wherein this blade part and this another blade part are separated from each other, and symmetrically around this preset areas, and be relatively arranged on this base plate with this inner edge face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420340045.9U CN203919220U (en) | 2014-06-24 | 2014-06-24 | Punching tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420340045.9U CN203919220U (en) | 2014-06-24 | 2014-06-24 | Punching tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203919220U true CN203919220U (en) | 2014-11-05 |
Family
ID=51815093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420340045.9U Expired - Fee Related CN203919220U (en) | 2014-06-24 | 2014-06-24 | Punching tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203919220U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105196353A (en) * | 2014-06-24 | 2015-12-30 | 嘉联益科技股份有限公司 | Punching tool |
-
2014
- 2014-06-24 CN CN201420340045.9U patent/CN203919220U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105196353A (en) * | 2014-06-24 | 2015-12-30 | 嘉联益科技股份有限公司 | Punching tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 Termination date: 20170624 |