CN104841763B - A kind of production method of kneader bar group - Google Patents
A kind of production method of kneader bar group Download PDFInfo
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- CN104841763B CN104841763B CN201510284635.3A CN201510284635A CN104841763B CN 104841763 B CN104841763 B CN 104841763B CN 201510284635 A CN201510284635 A CN 201510284635A CN 104841763 B CN104841763 B CN 104841763B
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Abstract
The invention discloses the production method of a kind of kneader bar group, including shaping blade for shredding paper blank step, built-in structure forming step, bending step, affixed step and finished product step, first punch forming goes out set of blades blank, again a blade for shredding paper blank bending of set of blades blank is overlapped in another blade for shredding paper blank, pressing processing two blade for shredding paper blanks to be integrally fixed finally by riveting or pier, after cutting off out, directly processing obtains set of blades.The present invention reduces the number of parts needing to assemble in cutter rod assembling process, improves production efficiency, and reduces production cost, improves blade and the structural strength of set of blades formed.
Description
Technical field
The present invention relates to the technical field of producing of shredder paper shredding cutters, especially relate to a kind of kneader knife
The production method of sheet group.
Background technology
Being provided with one group of paper shredding blade rod in shredder, the excellent body string of paper shredding blade rod is provided with some set of blades, each cutter
Sheet group is affixed back-to-back by two blades and point of a knife aligns and forms, and is also equipped with spacer ring between set of blades, and
Two blades of set of blades process respectively, are two independent blades, as Chinese invention patent number is
" 201110331516.0 ", patent name for shown in the Chinese invention patent of " technology for machining paper-shredding cutter blade ",
In production process, punching press action each time, the Finished blades that material strip punching press foremost is cut off out only has a piece of,
Production efficiency is the highest.
Furthermore, when set of blades is loaded on cutter rod, each set of blades is needed alignment by the point of a knife of two blades, increases
Add assembling difficulty and built-up time.
Two blades of each set of blades that string is located at cutter rod are not connected and fixed, each set of blades
Two blades between structural strength be very limited amount of, especially light and thin type blade.
It addition, when a set of blades string is located at cutter rod, respectively two corresponding blades and spacer ring will be pressed group
Dress order string respectively is located at cutter rod, and each cutter rod will assemble dozens of set of blades and spacer ring, to be assembled
Number of parts is the most, and packaging efficiency is extremely low, and production cost is higher.
In order to solve the problems referred to above, equipment for automatically assembling blades of paper shredder is had can automatically to assemble blade in cutter at present
Rod, if Chinese invention patent number is that " 200910107771.X ", patent name are for " a kind of kneader bar is certainly
Dynamic assembling equipment " Chinese invention patent shown in, equipment for automatically assembling blades of paper shredder can replace partly assembling work
People, but owing to parts quantity is too many, two blades of each blade need pairing, face and each set of blades
Assembling angle, position and be highly different from, cutter rod should be coordinated to carry out location and to assemble, ensure automatically again
The stability assembled, equipment for automatically assembling blades of paper shredder inefficient.
Because equipment for automatically assembling blades of paper shredder often assembles a blade and is required for very many mechanical actions, often
One mechanical action is required for the regular hour, and therefore equipment for automatically assembling blades of paper shredder assembles a blade institute
The time needed is long, automatically assembles the average time-consuming of a blade it is generally required to 5～10 second time；And people
When work assembles, workman captures blade by hand, relies on visually and blade is inserted in cutter rod by the manual mode of operation of feel,
One blade of hand assembled average time-consuming less than 1 second.Therefore, in actual production process, kneader bar
The production efficiency of automatic assembly equipment is the production efficiency far below man-made assembly.Kneader bar assembles automatically
Although equipment can reduce the quantity assembling workman, but cannot solve the problem that production efficiency is low, it is impossible to from root
Problem is solved, it is therefore necessary to improve on Ben.
Summary of the invention
The deficiency existed for prior art, the first object of the present invention is to provide the life of a kind of kneader bar group
Product method, its production efficiency is high, reduces production cost.
The deficiency existed for prior art, the first object of the present invention is to provide the life of a kind of kneader bar group
Product method, it improves blade and the structural strength of set of blades formed.
The deficiency existed for prior art, the second object of the present invention is to provide the life of a kind of kneader bar group
Product method, it reduces the number of parts needing to assemble in cutter rod assembling process, improves production efficiency, drop further
Low production cost.
To achieve these goals, the technical solution adopted in the present invention is:
The production method of a kind of kneader bar group, processes metal material belt by Sheet Metal Forming Technology and directly obtains blade
Group, set of blades includes two blade for shredding paper being integrally fixed, comprises the following steps:
Shaping blade for shredding paper blank step, it is provided that basically reach the metal material belt of blade thickness, utilize diel
Metal material belt being carried out punching press, forms a set of blades blank in metal material belt front end, set of blades blank has up and down
Two blade for shredding paper blanks and the first linking part, between upper and lower two blade for shredding paper blanks by the first linking part even
Knot, upper and lower two blade for shredding paper blanks are symmetrical arranged, and blade for shredding paper blank has cutter hub, is positioned in the middle part of cutter hub
Installing hole and protruding at the point of a knife of cutter hub outer rim；
Built-in structure forming step, becomes on the cutter hub of two blade for shredding paper blanks up and down of set of blades blank respectively
Type goes out the built-in structure that can carry out affixed cooperation；
Preliminary bending step, with the first linking part as bending part, by one of them blade for shredding paper of set of blades blank
Blank bending overturns an angle set；
Bending overlep steps, rolls over towards metal material belt once again by the blade for shredding paper blank through preliminary bending step
Curved, two blade for shredding paper blanks of set of blades blank overlap up and down, the correspondence of two blade for shredding paper blanks
Point of a knife correspondence alignment respectively；
Affixed step, the built-in structure of two blade for shredding paper blanks of punching blade group blank, make to overlap up and down
Two blade for shredding paper blanks together are integrally fixed；
Finished product step, cuts off out by the set of blades blank completing affixed step, obtains Finished blades group, blade
Group includes two blade for shredding paper being integrally fixed back-to-back.
Further in technical scheme, in described bending overlep steps, two paper shredding blades overlaped up and down
The cutter hub consistency from top to bottom of sheet blank, the installing hole consistency from top to bottom of two blade for shredding paper blanks.
Further in technical scheme, described preliminary bending step, the angle that blade for shredding paper blank is bent over is
30～150 degree.
Further in technical scheme, the two ends of described first linking part are linked to two of set of blades blank respectively
The outer rim of the cutter hub of blade for shredding paper blank, upper and lower two blade for shredding paper blanks are with the first linking part for symmetrical centre pair
Claim to arrange.
Further in technical scheme, the adjacent blade for shredding paper blank in left and right is linked by the second linking part, set of blades
Two blade for shredding paper neighbouring in blank are linked by the first linking part；Along the length direction of metal material belt, structure
Becoming the distance set that staggers about two blade for shredding paper blanks up and down of a set of blades blank, the distance that staggers is one
0.2～0.7 times of the width of individual blade for shredding paper blank；
In finished product step, cut off the second linking part by Punching Technology.
Further in technical scheme, in described shaping blade for shredding paper blank step, interval etc. on pressing equipment
Spacing is fed forward metal material belt, along with the advance of metal material belt, broken at metal material belt die-cut formation two rows
Paper blade blank, two blade for shredding paper blanks neighbouring in two rows blade for shredding paper blank form a blade
Group blank.
Further in technical scheme, in described shaping blade for shredding paper blank step, including following sub-step:
Pre-punched hole step, goes out upper and lower two pre-punched holes at metal material belt；
Punching step, goes out installing hole in pre-punched hole position；
Rim charge blanking process, is processed by one-step punching or Punching Technology several times, metal material belt both sides and in
Portion's die-cut removal rim charge respectively, forms two rows blade for shredding paper blank.
Further in technical scheme, in described built-in structure forming step, in two rows blade for shredding paper blank
Cutter hub mold the affixed post of some coupling holes and some correspondences respectively；
In affixed step or finished product step, cut off the first linking part by Punching Technology.
Further in technical scheme, after two blade for shredding paper blanks overlap up and down, a paper shredding blade
The affixed post of sheet blank is inserted in the coupling hole of another blade for shredding paper blank；
In affixed step, pressing processing by riveting or pier, the end of affixed post forms die, and affixed post is with affixed
Hole is integrally fixed, and makes two blade for shredding paper blanks be integrally fixed.
Further in technical scheme, at shaping blade for shredding paper blank step, built-in structure forming step or affixed
In step, wherein the installation hole wall edge of a blade for shredding paper blank to side a stretched spacer ring.
After the present invention uses aforementioned production method, the present invention the most advantageously:
First, the present invention is directly produced the set of blades obtaining comprising two blades by Sheet Metal Forming Technology, improves and produces
Efficiency is high, reduces production cost.
Second, the present invention is directly produced by Sheet Metal Forming Technology and obtains set of blades, and two blades of set of blades are fixed
Integral, improve blade and the structural strength of set of blades formed.
3rd, the present invention reduces the number of parts needing to assemble in cutter rod assembling process, improves production efficiency, fall
Low production cost.
4th, the present invention is directly produced by Sheet Metal Forming Technology and obtains set of blades, and set of blades comprises two and is fixed into
The blade of one, a blade is integrally formed with spacer ring simultaneously, needs the number of components assembled in cutter rod assembling process
Amount is reduced to original 1/3rd, improves production efficiency, reduces production cost.
Accompanying drawing explanation
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of the metal material belt in process of the present invention.
Fig. 2 is the stereogram of the metal material belt in process of the present invention.
In figure:
1, metal material belt 2, set of blades 3, set of blades blank 31, blade for shredding paper blank the 32, first linking part 4,
Pre-punched hole 5, installing hole 6, rim charge the 7, second linking part 8, coupling hole 9, affixed post.
Detailed description of the invention
The following stated is only presently preferred embodiments of the present invention, the most therefore limits protection scope of the present invention.
Embodiment, as shown in Fig. 1 to Fig. 2, the production method of a kind of kneader bar group, pass through Sheet Metal Forming Technology
Processing metal material belt 1 also directly obtains set of blades 2, and set of blades 2 includes two blade for shredding paper being integrally fixed,
Comprise the following steps:
Shaping blade for shredding paper blank step, it is provided that basically reach the metal material belt 1 of blade thickness, at pressing equipment
Upper interval is equidistantly fed forward metal material belt 1, utilizes diel that metal material belt 1 is carried out punching press.
Along with the advance of metal material belt 1, in metal material belt 1 die-cut formation two rows blade for shredding paper blank 31,
Two blade for shredding paper blanks 31 neighbouring in two rows blade for shredding paper blank 31 form a set of blades blank
3, set of blades blank 3 is positioned at metal material belt 1 front end.The adjacent blade for shredding paper blank 31 in left and right is linked by second
Portion 7 links, and two blade for shredding paper neighbouring in set of blades blank 3 are linked by the first linking part 32.
Set of blades blank 3 has upper and lower two blade for shredding paper blanks 31 and the first linking part 32, upper and lower two broken
Being linked by the first linking part 32 between paper blade blank 31, upper and lower two blade for shredding paper blanks 31 are symmetrical arranged.
In better embodiment, along the length direction of metal material belt 1, constitute up and down the two of a set of blades blank 3
Individual blade for shredding paper blank about 31 stagger set distance, the distance that staggers is the width of a blade for shredding paper blank 31
0.2～0.7 times of degree.The two ends of the first linking part 32 are linked to two paper shredding blades of set of blades blank 3 respectively
The outer rim of the cutter hub of sheet blank 31, during upper and lower two blade for shredding paper blanks 31 are with the first linking part 32 as symmetry
The heart is symmetrical arranged, and its symmetrical center line and metal material belt 1 are in an acute angle, and this kind of design makes metal material belt 1
The rim charge 6 of the die-cut removal of upper needs is less, saves material, reduces material cost.
In another better embodiment, along the length direction of metal material belt 1, constitute a set of blades blank 3
Two blade for shredding paper blank 31 settings symmetrical above and below up and down, concrete, constitute a set of blades blank 3
Two blade for shredding paper blanks 31 are symmetrical arranged with the first linking part 32 for symmetrical centre.
Blade for shredding paper blank 31 has cutter hub, is positioned at the installing hole 5 in the middle part of cutter hub and protrudes in cutter hub outer rim
Point of a knife.Specifically include following sub-step:
Pre-punched hole step, goes out upper and lower two pre-punched holes 4 at metal material belt 1；
Punching step, goes out installing hole 5 in pre-punched hole 4 position；
Rim charge blanking process, is processed by one-step punching or Punching Technology several times, in metal material belt 1 both sides and
Middle part die-cut removal rim charge 6 respectively, forms two rows blade for shredding paper blank 31.
Built-in structure forming step, on the cutter hub of two blade for shredding paper blanks 31 up and down of set of blades blank 3
Mold the built-in structure that can carry out affixed cooperation respectively；Concrete, in two rows blade for shredding paper blank 31
Cutter hub mold the affixed post 9 of some coupling holes 8 and some correspondences respectively.
In built-in structure forming step or after built-in structure forming step, it is also possible to increase the flat processing of a pier,
Two rows blade for shredding paper blank 31 pier is put down, and is pressed together.
Bending step, with the first linking part 32 as bending part, by one of them paper shredding blade of set of blades blank 3
It is overlapped in the top of another blade for shredding paper blank 31 after sheet blank 31 bending upset, overlaps after bending upset
The correspondence alignment respectively of the corresponding point of a knife of two blade for shredding paper blanks 31 together.
The first embodiment of bending step, by a Bending Processing directly by set of blades blank 3 wherein
The top of another blade for shredding paper blank 31 it is overlapped in after one blade for shredding paper blank 31 direct bending upset, logical
Cross a Bending Processing action and directly a blade for shredding paper blank 31 is turned over turnback.
The second embodiment of bending step, by twice Bending Processing by one of them of set of blades blank 3
The top of another blade for shredding paper blank 31 it is overlapped in, by two foldings after blade for shredding paper blank 31 bending upset
One blade for shredding paper blank 31 is turned over turnback by curved processing action.
The third embodiment of bending step, by the Bending Processing substeps of three times or more than three times by set of blades
It is overlapped in another blade for shredding paper blank 31 after one of them blade for shredding paper blank 31 bending upset of blank 3
Top, turns over turnback by the Bending Processing actions of three or more than three by a blade for shredding paper blank 31.
In preferred embodiment, by twice Bending Processing by one of them blade for shredding paper of set of blades blank 3
It is overlapped in the top of another blade for shredding paper blank 31 after blank 31 bending upset, both reduces difficulty of processing, no
Need pressing equipment and the mould of design complexity, higher working (machining) efficiency can be made it have again.Specifically include preliminary
Bending step and bending overlep steps:
Preliminary bending step, with the first linking part 32 as bending part, by broken for one of them of set of blades blank 3
Paper blade blank 31 bending overturns an angle set；The angle that blade for shredding paper blank 31 is bent over be 30～
150 degree.In better embodiment, the angular range that blade for shredding paper blank 31 is bent over is 70～120 degree,
The preferred angle scope that blade for shredding paper blank 31 is bent over is 80～100 degree；Its optimum angle angle value be 90 degree or
About 90 degree, the blade for shredding paper blank 31 being bent over upset is made to be basically perpendicular to metal material belt 1.
Bending overlep steps, by the blade for shredding paper blank 31 through preliminary bending step towards metal material belt 1 again
Degree bending, two blade for shredding paper blanks about 31 of set of blades blank 3 overlap, and two paper shredding blades
The cutter hub consistency from top to bottom of sheet blank 31, installing hole 5 consistency from top to bottom of two blade for shredding paper blanks 31, two broken
The correspondence alignment respectively of the corresponding point of a knife of paper blade blank 31.It is bent over the blade for shredding paper blank 31 of upset whole
Bending step is bent over altogether turn over turnback, the corresponding point of a knife of two blade for shredding paper blanks 31 correspondence respectively
Alignment, after two blade for shredding paper blanks about 31 overlap, a blade for shredding paper blank 31 affixed
Post 9 is inserted in the coupling hole 8 of another blade for shredding paper blank 31.
Affixed step, the built-in structure of two blade for shredding paper blanks 31 of punching blade group blank 3, make up and down
Two the blade for shredding paper blanks 31 overlaped are integrally fixed.Affixed step utilizes automatic feed mechanism to send
Enter rivet class connector, then riveting rivet in affixed step, by two blade for shredding paper blanks of set of blades blank 3
31 are integrally fixed.
Affixed step can also be formed out by two blade for shredding paper blanks 31 of punching blade group blank 3
Built-in structure achieve a fixed connection.Concrete, press processing by riveting or pier, the end of affixed post 9 is formed
Die, affixed post 9 is integrally fixed with coupling hole 8, makes two blade for shredding paper blanks 31 be integrally fixed.
Cut off the first linking part 32 simultaneously, certainly, the first linking part 32 can also be cut off in finished product step.
Finished product step, cuts off the second linking part 7 by Punching Technology, will complete the set of blades blank of affixed step
3 cut off out, obtain Finished blades group 2, and set of blades 2 includes two paper shredding blades being integrally fixed back-to-back
Sheet.
In better embodiment, the present invention shaping blade for shredding paper blank step, built-in structure forming step or
In affixed step, wherein the installation hole wall edge of a blade for shredding paper blank to side a stretched spacer ring, finally
In the set of blades obtained, wherein the side of a blade for shredding paper is integrally formed with a spacer ring.
Above content is only presently preferred embodiments of the present invention, for those of ordinary skill in the art, according to this
Bright thought, the most all will change, and this specification content should not be managed
Solve as limitation of the present invention.
Claims (10)
1. a production method for kneader bar group, by Sheet Metal Forming Technology processing metal material belt (1) and directly
Obtaining set of blades (2), set of blades (2) includes two blade for shredding paper being integrally fixed, it is characterised in that
Comprise the following steps:
Shaping blade for shredding paper blank step, it is provided that basically reach the metal material belt (1) of blade thickness, utilize punching press
Mould carries out punching press to metal material belt (1), forms a set of blades blank (3) in metal material belt (1) front end,
Set of blades blank (3) has upper and lower two blade for shredding paper blanks (31) and the first linking part (32), and upper and lower two
Linked by the first linking part (32) between individual blade for shredding paper blank (31), upper and lower two blade for shredding paper blanks (31)
Being symmetrical arranged, blade for shredding paper blank (31) has cutter hub, is positioned at the installing hole (5) in the middle part of cutter hub and convex
Go out the point of a knife in cutter hub outer rim；
Built-in structure forming step, two blade for shredding paper blanks (31) up and down of set of blades blank (3)
The built-in structure that can carry out affixed cooperation is molded respectively on cutter hub；
Preliminary bending step, with the first linking part (32) as bending part, by set of blades blank (3) wherein
One blade for shredding paper blank (31) bending overturns an angle set；
Bending overlep steps, by the blade for shredding paper blank (31) through preliminary bending step towards metal material belt (1)
Bending once again, two blade for shredding paper blanks (31) of set of blades blank (3) overlap up and down, two
The correspondence alignment respectively of the corresponding point of a knife of blade for shredding paper blank (31)；
Affixed step, the built-in structure of two blade for shredding paper blanks (31) of punching blade group blank (3),
Overlap up and down two blade for shredding paper blanks (31) are made to be integrally fixed；
Finished product step, cuts off the set of blades blank (3) completing affixed step out, obtains Finished blades group
(2), set of blades (2) includes two blade for shredding paper being integrally fixed back-to-back.
The production method of a kind of kneader bar group the most according to claim 1, it is characterised in that: described
In bending overlep steps, the cutter hub consistency from top to bottom of two the blade for shredding paper blanks (31) overlaped up and down,
Installing hole (5) consistency from top to bottom of two blade for shredding paper blanks (31).
The production method of a kind of kneader bar group the most according to claim 1, it is characterised in that: described
Preliminary bending step, the angle that blade for shredding paper blank (31) is bent over is 30～150 degree.
4., according to the production method of a kind of kneader bar group one of claims 1 to 3 Suo Shu, its feature exists
In: the two ends of described first linking part (32) are linked to two blade for shredding paper of set of blades blank (3) respectively
The outer rim of the cutter hub of blank (31), upper and lower two blade for shredding paper blanks (31) with the first linking part (32) are
Symmetrical centre is symmetrical arranged.
The production method of a kind of kneader bar group the most according to claim 4, it is characterised in that: left and right
Adjacent blade for shredding paper blank (31) is linked by the second linking part (7), phase up and down in set of blades blank (3)
Two adjacent blade for shredding paper are linked by the first linking part (32)；Along the length direction of metal material belt (1), structure
Become the distance set that staggers about two blade for shredding paper blanks (31) up and down of a set of blades blank (3),
The distance that staggers is 0.2～0.7 times of the width of a blade for shredding paper blank (31)；
In finished product step, cut off the second linking part (7) by Punching Technology.
6., according to the production method of a kind of kneader bar group one of claims 1 to 3 Suo Shu, its feature exists
In: in described shaping blade for shredding paper blank step, on pressing equipment, interval is equidistantly fed forward metal material belt
(1), along with the advance of metal material belt (1), at metal material belt (1) die-cut formation two rows blade for shredding paper
Blank (31), two blade for shredding paper blanks (31) neighbouring in two rows blade for shredding paper blank (31)
Form a set of blades blank (3).
The production method of a kind of kneader bar group the most according to claim 6, it is characterised in that: described
In shaping blade for shredding paper blank step, including following sub-step:
Pre-punched hole step, goes out upper and lower two pre-punched holes (4) at metal material belt (1)；
Punching step, goes out installing hole (5) in pre-punched hole (4) position；
Rim charge blanking process, is processed by one-step punching or Punching Technology several times, at metal material belt (1) two
Side and middle part die-cut removal rim charge (6) respectively, forms two rows blade for shredding paper blank (31).
The production method of a kind of kneader bar group the most according to claim 6, it is characterised in that: described
In built-in structure forming step, at two rows blade for shredding paper blank (31) if cutter hub mold solid respectively
Connect the affixed post (9) of hole (8) and some correspondences；
In affixed step or finished product step, cut off the first linking part (32) by Punching Technology.
The production method of a kind of kneader bar group the most according to claim 8, it is characterised in that: two
After individual blade for shredding paper blank (31) overlaps up and down, the affixed post (9) of a blade for shredding paper blank (31)
It is inserted in the coupling hole (8) of another blade for shredding paper blank (31)；
In affixed step, pressing processing by riveting or pier, the end of affixed post (9) forms die, affixed post
(9) it is integrally fixed with coupling hole (8), makes two blade for shredding paper blanks (31) be integrally fixed.
The production method of a kind of kneader bar group the most according to claim 8, it is characterised in that: becoming
In type blade for shredding paper blank step, built-in structure forming step or affixed step, a blade for shredding paper blank wherein
(31) installation hole wall edge is a stretched spacer ring to side.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510284635.3A CN104841763B (en) | 2015-05-29 | 2015-05-29 | A kind of production method of kneader bar group |
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| CN201510284635.3A CN104841763B (en) | 2015-05-29 | 2015-05-29 | A kind of production method of kneader bar group |
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| CN104841763B true CN104841763B (en) | 2016-08-31 |
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| CN105855402B (en) * | 2016-06-16 | 2017-11-24 | 东莞市建嘉实业有限公司 | A kind of production mechanism of ten teeth riveting iron core |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6089482A (en) * | 1999-06-14 | 2000-07-18 | Chang; Frank | Blade assembly for paper shredders |
| CN201404839Y (en) * | 2009-05-19 | 2010-02-17 | 东莞市铁志电子有限公司 | Paper shredder cutting blade with strengthening structure |
| CN201625572U (en) * | 2009-12-29 | 2010-11-10 | 东莞金泓电器有限公司 | Paper shredder cutter blade |
| CN101722252B (en) * | 2010-01-12 | 2012-05-30 | 东莞精锐电器五金有限公司 | Paper chopping blade and machining method thereof |
| CN103386433B (en) * | 2012-05-11 | 2016-06-29 | 陆学中 | Blade for shredding paper punch forming processing method |
| CN203124579U (en) * | 2013-03-06 | 2013-08-14 | 上海震旦办公设备有限公司 | Paper shredding cutter and machining device thereof |
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