CN103521640B - Blade for shredding paper punch forming processing method - Google Patents
Blade for shredding paper punch forming processing method Download PDFInfo
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- CN103521640B CN103521640B CN201210228856.5A CN201210228856A CN103521640B CN 103521640 B CN103521640 B CN 103521640B CN 201210228856 A CN201210228856 A CN 201210228856A CN 103521640 B CN103521640 B CN 103521640B
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- blade
- shredding paper
- metal material
- material belt
- knife
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Abstract
The open a kind of blade for shredding paper punch forming processing method of the present invention, described blade for shredding paper includes blade, the installing hole being positioned at blade center and is positioned at the point of a knife of blade periphery, comprise the following steps: metal material belt is provided, stamping out some described blade for shredding paper on described metal material belt, adjacent described blade for shredding paper is tangent state and connects in the tangent；The tangent at described blade for shredding paper suppresses out cutting knife groove, forms cutter location in making described cutting knife groove；The monomer obtaining blade for shredding paper is disconnected at described cutter location.It is high that blade for shredding paper punch forming processing method of the present invention has stock utilization, cost-effective advantage.
Description
Technical field
The present invention relates to a kind of technology for machining paper-shredding cutter blade, particularly relate to a kind of stock utilization high, save into
This blade for shredding paper punch forming processing method.
Background technology
The shredded paper principle of shredder is some to blade for shredding paper by fixing on two cutter shafts, is driven by motor
Dynamic a series of gears transmit out the relatively slow-speed of revolution and high torque makes two cutter shafts rotate, when paper is from two rotations
Turn cutter shaft between through time, paper is cut by two blade for shredding paper, thus waste paper is cut into thin paper slip or
Person's particle.Therefore, the shredded paper effect of shredder is played highly important effect by blade for shredding paper.
Having a kind of technology for machining paper-shredding cutter blade now, it comprises the following steps: 1 provides the metal charge that width is suitable
Band；2 installing holes stamping out blade for shredding paper on described metal material belt；3 use cut-out drift at described metal
Blade and two points of a knife are gone out on material strip.Although above-mentioned technology for machining paper-shredding cutter blade method is simple, it is only necessary to profit
With diel, the waste material on material strip is directly excised, i.e. can get the shape knot required for blade for shredding paper
Structure；But, there is great shortcoming in this processing method, it is simply that stock utilization is low, and production cost can not
Effectively reduce；Its reason is between two blade for shredding paper to need to reserve a certain distance, when punching press, and will
Waste material herein excises simultaneously, and guarantee punching press two blade for shredding paper out can be separated from each other.If two shredded papers
When arrangement mode between blade is tangent state, in theory, it is only necessary to the waste material of both sides, point of contact is excised i.e.
Can, but owing to existing drift has certain thickness, this allows for the middle waste material near region, point of contact
Can not effectively remove, therefore, interconnect between punching press described blade for shredding paper out, and
And be difficult to break and disconnected make it separate.
Based on above-mentioned shortcoming, accordingly, it would be desirable to a kind of stock utilization is high, cost-effective blade for shredding paper rushes
Molded processing method.
Summary of the invention
It is an object of the invention to provide a kind of stock utilization high, cost-effective blade for shredding paper punch forming
Processing method.
To achieve these goals, the blade for shredding paper punch forming processing method that the present invention provides, described shredded paper
Blade includes blade, the installing hole being positioned at blade center and is positioned at the point of a knife of blade periphery, comprises the following steps:
(1) providing metal material belt, stamp out some described blade for shredding paper on described metal material belt, adjacent is described
Blade for shredding paper is tangent state and connects in the tangent；(2) the tangent at described blade for shredding paper is suppressed out and is cut
Cutter groove, forms cutter location in making described cutting knife groove；(3) at described cutter location, disconnection obtains paper shredding blade
The monomer of sheet.
It is preferred that the bottom surface of described cutting knife groove is less than or equal to the thickness between the bottom surface of described metal material belt
0.5 millimeter.
It is preferred that described step (1) specifically includes following steps: (11) punching press on described metal material belt
Go out the point of a knife of described blade for shredding paper；(12) it is punched out on described metal material belt, forms described installing hole；
(13) use cut-out drift to carry out trimming on described metal material belt, thus go out the cutter of described blade for shredding paper
Body.
Specifically, the front operation also including described metal material belt carries out typewriting code of described step (11)；And
Described metal material belt is carried out the operation of pre-punched hole.
Specifically, described step (11) specifically includes following steps: (111) are carried out on described metal material belt
Pre-cut for the first time, forms described point of a knife；(112) described point of a knife is carried out upwards molding；(113)
Described point of a knife is flattened downwards；(114) on described metal material belt, carry out second time pre-cut, form institute
State the another side of point of a knife.(115) carry out the point of a knife on described metal material belt beating oblique angle, form described point of a knife
Oblique angle.
More specifically, described step (112) specifically includes following steps: (112a) described point of a knife is carried out to
Upper molding 60 degree；(112b) described point of a knife is carried out upwards molding 90 degree.
It is preferred that in the front operation also including described blade for shredding paper is flattened of described step (3).
Obtain broken it is preferred that described step (3) is the waste material that punching press excision is connected at described cutter location
The monomer of paper blade.
It is preferred that described cutting knife groove is inverted trapezoidal groove or rectangular channel or arc-shaped slot or V-shaped groove or polygon groove.
Compared with prior art, due to the present invention by stamp out side by side on described metal material belt and mutually in
The described blade for shredding paper that tangent state connects, the tangent at described blade for shredding paper suppresses a cutting knife groove the most again,
Owing to when suppressing, the thickness of the tangent region between two blade for shredding paper is compressed and length is to two side stretchings
Make metal material belt be elongated, thus form described cutting knife groove, and described cutting knife groove just forms a receiving and cuts off
The cutter location of drift, thus utilize cut-out drift to disconnect at this cutter location, obtain blade for shredding paper
Monomer, therefore the present invention when stamped metal material strip without certain punching press reserved between two blade for shredding paper
Gap, under same metal material belt, can stamp out more workpiece, thus stock utilization must have greatly
Raising, effectively reduce production cost.
Accompanying drawing explanation
Fig. 1 is the blade for shredding paper that blade for shredding paper punch forming processing method of the present invention processes.
Fig. 2 is the process chart of blade for shredding paper punch forming processing method of the present invention.
Fig. 3 is the flow chart of blade for shredding paper punch forming processing method of the present invention.
Fig. 4 is the process chart of the specific embodiment of blade for shredding paper punch forming processing method of the present invention.
Fig. 5 is the flow chart of the specific embodiment of blade for shredding paper punch forming processing method of the present invention.
Detailed description of the invention
By describing the technology contents of the present invention, structural feature in detail, being realized purpose and effect, below in conjunction with
Embodiment also coordinates accompanying drawing to be explained in detail.
As shown in Figure 1, Figure 2 and Figure 3, Fig. 1 is the blade for shredding paper processed by the processing method of the present invention
100, described blade for shredding paper 100 includes blade 1, the installing hole 2 being positioned at blade center and is positioned at blade periphery
Point of a knife 3.Blade for shredding paper 100 punch forming processing method of the present invention comprises the following steps: S1 provides metal
Material strip 200, stamps out some described blade for shredding paper 100 on described metal material belt 200, and adjacent is described broken
Paper blade 100 connects in tangent state and in the tangent 201.S2 is in the tangent of described blade for shredding paper 100
Suppress out cutting knife groove 202, in making described cutting knife groove 202, form cutter location.The cutting knife groove 202 of the present embodiment
For inverted trapezoidal groove.When the present invention suppresses out described cutting knife groove 202, drift is utilized to extrude in the tangent,
The thickness making the tangent region between described blade for shredding paper 100 is compressed and is extended to both sides, so that two is broken
The junction of paper blade 100 extends, and described blade for shredding paper 100 will not deform, thus obtains described
Cutting knife groove 202.The bottom surface of described cutting knife groove 202 is to the thickness H between the bottom surface of described metal material belt 200
It it is 0.5 millimeter, it is of course also possible to less than 0.5 millimeter, so can guarantee that the disconnection operation at next step can be light
Easily cut off the connecting material of described cutting knife groove 202 bottom surface.S3 disconnects at described cutter location and obtains paper shredding blade
The monomer of sheet.
Refer to shown in Fig. 4 and Fig. 5, figure illustrates blade for shredding paper 100 punch forming processing side of the present invention
The specific embodiment of method, this blade for shredding paper 100 punch forming processing method specifically includes following steps:
S11 carries out code of typewriting to described metal material belt 200；
S12 carries out pre-punched hole to described metal material belt 200；
S13 carries out pre-cut for the first time on described metal material belt 200, forms described point of a knife 3；
S14 carries out upwards molding 60 degree to described point of a knife 3；
S15 carries out upwards molding 90 degree to described point of a knife 3；
Described point of a knife 3 is flattened downwards by S16；
S17 carries out second time pre-cut on described metal material belt 200, forms the another side of described point of a knife 3；
Point of a knife 3 on described metal material belt 200 is carried out beating oblique angle 31 by S18, forms the oblique of described point of a knife 13
Angle 31；
S19 is punched out on described metal material belt 200, forms described installing hole 2；
S20 uses cut-out drift to carry out trimming on described metal material belt 200, thus goes out described blade for shredding paper
The blade 1 of 100；
S21 suppresses out inverted trapezoidal groove 202 in the tangent 201 of described blade for shredding paper 100, makes described inverted trapezoidal
Cutter location is formed in groove 202；
The operation that described blade for shredding paper 100 is flattened by S22；
S23 disconnects the monomer obtaining blade for shredding paper 100 at described cutter location.Specifically, at described cutting knife
The waste material that position punching press excision is connected obtains the monomer of blade for shredding paper 100；The mode utilizing punching press is excised
The waste material being connected at described cutter location can make the blade of the two described blade for shredding paper 100 being connected all can be formed broken
The paper edge of a knife, the generation at the angle that prevents from collapsing.
Compared with prior art, owing to the present invention is by stamping out side by side and phase on described metal material belt 200
The described blade for shredding paper 100 connected in tangent state mutually, the most again in the tangent of described blade for shredding paper 100
201 suppress an inverted trapezoidal groove 202, due to when suppressing, and the thickness of the tangent region between two blade for shredding paper 100
Degree is compressed and length makes metal material belt 200 be elongated to two side stretchings, thus forms described inverted trapezoidal groove
202, and described inverted trapezoidal groove 202 structure wide at the top and narrow at the bottom makes it just form a receiving in groove to cut off punching
The cutter location of head, thus utilize cut-out drift to disconnect at this cutter location, obtain blade for shredding paper 100
Monomer, therefore the present invention when stamped metal material strip 200 without between two blade for shredding paper 100 reserved one
Fixed punching press gap, same metal material belt 200 times, can stamp out more workpiece, thus material is sharp
Must there is raising greatly by rate, effectively reduce production cost.
Above disclosed be only the present invention preferred embodiments, certainly can not with this limit the present invention it
Interest field, the equivalent variations therefore made according to scope of the present invention patent, still fall within the present invention and contained
Scope.
Claims (9)
1. a blade for shredding paper punch forming processing method, described blade for shredding paper includes blade, is positioned at the peace at blade center
Dress hole and the point of a knife being positioned at blade periphery, it is characterised in that comprise the following steps:
(1) provide metal material belt, described metal material belt stamps out some described blade for shredding paper, adjacent
Described blade for shredding paper is tangent state and connects in the tangent；
(2) the tangent at described blade for shredding paper suppresses out cutting knife groove, and described cutting knife groove is inverted trapezoidal groove, and two
The thickness of the tangent region between described blade for shredding paper is compressed and length makes described metal charge to two side stretchings
Band is elongated, and is formed and accommodate the cutter location cutting off drift in making described cutting knife groove；The bottom surface of described cutting knife groove
Thickness between the bottom surface of described metal material belt is less than or equal to 0.5 millimeter；
(3) at described cutter location, disconnection obtains the monomer of blade for shredding paper.
2. blade for shredding paper punch forming processing method as claimed in claim 1, it is characterised in that described step (1)
Specifically include following steps:
(11) on described metal material belt, stamp out the point of a knife of described blade for shredding paper；
(12) it is punched out on described metal material belt, forms described installing hole；
(13) use cut-out drift to carry out trimming on described metal material belt, thus go out described blade for shredding paper
Blade.
3. blade for shredding paper punch forming processing method as claimed in claim 2, it is characterised in that: described step (11)
Before also include described metal material belt is carried out pre-punched hole operation.
4. blade for shredding paper punch forming processing method as claimed in claim 3, it is characterised in that: carrying out pre-punched hole
The operation that described metal material belt is carried out typewriting code is also included before operation.
5. blade for shredding paper punch forming processing method as claimed in claim 2, it is characterised in that described step (11)
Specifically include following steps:
(111) on described metal material belt, carry out pre-cut for the first time, form described point of a knife；
(112) described point of a knife is carried out upwards molding；
(113) described point of a knife is flattened downwards；
(114) on described metal material belt, carry out second time pre-cut, form the another side of described point of a knife.
6. blade for shredding paper punch forming processing method as claimed in claim 5, it is characterised in that described step (112)
Specifically include following steps:
(112a) described point of a knife is carried out upwards molding 60 degree；
(112b) described point of a knife is carried out upwards molding 90 degree.
7. blade for shredding paper punch forming processing method as claimed in claim 5, it is characterised in that described step (11)
Further comprise the steps of: (115) to carry out the point of a knife on described metal material belt beating oblique angle, form the oblique of described point of a knife
Angle.
8. blade for shredding paper punch forming processing method as claimed in claim 1, it is characterised in that: in described step (3)
Before also include operation that described blade for shredding paper is flattened.
9. blade for shredding paper punch forming processing method as claimed in claim 1, it is characterised in that described step (3)
For: the waste material that punching press excision is connected at described cutter location obtains the monomer of blade for shredding paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210228856.5A CN103521640B (en) | 2012-07-03 | 2012-07-03 | Blade for shredding paper punch forming processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210228856.5A CN103521640B (en) | 2012-07-03 | 2012-07-03 | Blade for shredding paper punch forming processing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103521640A CN103521640A (en) | 2014-01-22 |
| CN103521640B true CN103521640B (en) | 2016-08-24 |
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ID=49924195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210228856.5A Active CN103521640B (en) | 2012-07-03 | 2012-07-03 | Blade for shredding paper punch forming processing method |
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| Country | Link |
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| CN (1) | CN103521640B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106694160B (en) * | 2017-01-12 | 2019-02-15 | 常州市武进蓝天电器厂 | A kind of shredder double blade cutting edge and its processing technology |
| CN112823065A (en) * | 2019-08-09 | 2021-05-18 | 温州美葆科技技术有限公司 | Method for continuously manufacturing razor blade |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4887495A (en) * | 1987-10-13 | 1989-12-19 | Alfred Boerner Gmbh | Method of manufacturing a double-edged peeling knife |
| CN101296763A (en) * | 2005-10-26 | 2008-10-29 | 吉莱特公司 | Method for manufacturing razor blades |
| CN101722252A (en) * | 2010-01-12 | 2010-06-09 | 东莞精锐电器五金有限公司 | Paper chopping blade and machining method thereof |
| CN102371475A (en) * | 2011-10-27 | 2012-03-14 | 陆学中 | Technology for machining paper-shredding cutter blade |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5861557A (en) * | 1981-10-08 | 1983-04-12 | Seiko Instr & Electronics Ltd | Production method of negative electrode of nonaqueous electrolyte cell |
| JPH0665442B2 (en) * | 1989-04-13 | 1994-08-24 | 株式会社ユタカ技研 | Cutting method |
| JP2009022976A (en) * | 2007-07-19 | 2009-02-05 | Murata Mach Ltd | Nibbling method for punch press, and punch press |
-
2012
- 2012-07-03 CN CN201210228856.5A patent/CN103521640B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4887495A (en) * | 1987-10-13 | 1989-12-19 | Alfred Boerner Gmbh | Method of manufacturing a double-edged peeling knife |
| CN101296763A (en) * | 2005-10-26 | 2008-10-29 | 吉莱特公司 | Method for manufacturing razor blades |
| CN101722252A (en) * | 2010-01-12 | 2010-06-09 | 东莞精锐电器五金有限公司 | Paper chopping blade and machining method thereof |
| CN102371475A (en) * | 2011-10-27 | 2012-03-14 | 陆学中 | Technology for machining paper-shredding cutter blade |
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| CN103521640A (en) | 2014-01-22 |
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Effective date of registration: 20230516 Address after: 523000 Factory Buildings 29, 30, and 32, Zhongjinrun Industrial Park, Pingfeng Township, Fengkai County, Zhaoqing City, Guangdong Province, Guangdong Guangxi Cooperation Special Experimental Zone, Pingfeng Expansion Zone Patentee after: Zhaoqing Jingrui Electrical Hardware Co.,Ltd. Address before: 523270 Dongguan Jingrui Electrical Hardware Co., Ltd., Hengjiaotou Industrial Zone, Gaopu Town, Dongguan City, Guangdong Province Patentee before: Lu Xuezhong |
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