CN102294290A - Cutting tool of paper shredder and processing method of cutting tool - Google Patents
Cutting tool of paper shredder and processing method of cutting tool Download PDFInfo
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- CN102294290A CN102294290A CN2011102673036A CN201110267303A CN102294290A CN 102294290 A CN102294290 A CN 102294290A CN 2011102673036 A CN2011102673036 A CN 2011102673036A CN 201110267303 A CN201110267303 A CN 201110267303A CN 102294290 A CN102294290 A CN 102294290A
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- cutter
- spacer ring
- blade
- blades
- paper grinder
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Abstract
The invention discloses a cutting tool of a paper shredder. The cutting tool comprises a cutter shaft and blades, wherein the blades are arranged on the cutter shaft at certain intervals; the space between every two blades is provided with a metal spacing ring; and the metal spacing rings are formed by rolling and cutting metal strips. Compared with the prior art, the invention has the advantages that: on one hand, the metal spacing rings are arranged between every two blades at intervals, and the cutting tool has high rigidity and uniform thickness, so that the cutting tool of the paper shredder is firmer integrally and is difficult to deform; and on the other hand, the metal spacing rings are formed by rolling and cutting the metal strips, so that the cutting tool is easy to process, has low cost, small tolerance fluctuation and high consistency and does not generate waste materials during processing. The invention also discloses a corresponding processing method for the cutting tool of the paper shredder.
Description
Technical field
The present invention relates to cutter, relate in particular to a kind of cutter for paper grinder and processing method.
Background technology
In enterprise office, the paper that much was used and cancelled owing to the data of putting down in writing above is a corporate secret, paper need be carried out pulverization process in order to prevent the data that other people obtain on the file to be put down in writing, thereby shredder arises at the historic moment.Traditional shredder generally comprises two cutter shafts and is fixed on some to blade for shredding paper on the cutter shaft.During shredded paper, drive a series of gears by motor and transfer out than the slow-speed of revolution, to cutter shaft two cutter shafts rotated than high pulling torque, when paper passes between the cutter shaft of two rotations, two cutter shafts extruding paper, thus waste paper is cut into thin paper slip or particle.
We know, existing cutter for paper grinder when installing, the often cooperation by blade and cutter shaft surface, and cooperate spacer ring or the back-up ring that is installed between two adjacent blades, thus blade is fixed on the cutter shaft.As seen, spacer ring plays considerable role to cutter for paper grinder, the bad quality that all can have influence on cutter for paper grinder of all even good rigidly of the size of spacer ring.Yet the spacer ring that the cutter for paper grinder of prior art adopts is generally the plastic cement mould that utilizes the mould complete production, its poor rigidity, and because utilize mould to produce in batches, can exist the worker poor, problem such as not of uniform size.
On the other hand, existing spacer ring generally uses mould to adopt the mode of injection mo(u)lding to make, and not only complex manufacturing technology, cost height but also long-time production can make die wear, life-span weak point further increases cost; Moreover the spacer ring that this processing mode also is adds the inevitable waste material that produces in man-hour, waste resource.
Therefore, need a kind of good rigidly, error is little, manufacture craft is simple, cost is low, the non-waste cutter for paper grinder of processing and processing method thereof.
Summary of the invention
The object of the present invention is to provide a kind of novel cutter for paper grinder, the distance between this novel cutter for paper grinder good rigidly, blade and the blade is impartial, and error is little.
Another object of the present invention is to provide a kind of cutter for paper grinder, this cutter for paper grinder is easy to process, cost is low and the no waste material of processing.
Another purpose of the present invention is to provide a kind of cutter for paper grinder processing method, and the processing technology of this cutter for paper grinder processing method is simple, cost is low and do not have waste material.
To achieve these goals, the invention provides a kind of novel cutter for paper grinder, it comprises cutter shaft and arranges the blade that is installed on the described cutter shaft at certain intervals, be provided with the intermetallic spacer ring between per two blades, so that the spacing between per two blades equates, and each described blade and adjacent blade are set mutually.Compared with prior art, be provided with the intermetallic spacer ring between per two blades in the cutter for paper grinder of the present invention, so that the spacing between per two blades equates, and each described blade and adjacent blade are set mutually, like this, owing to adopt the intermetallic spacer ring to play interval action, good rigidly, and thickness is even, and cutter for paper grinder integral body is firmer, is not easy to deform.
Preferably, described intermetallic spacer ring is iron spacer ring or steel spacer ring or copper spacer ring, low, the good rigidly of cost.
Preferably, the periphery of each described blade forms a plurality of blades along circumferential five equilibrium, and each described blade shifts to install on described cutter shaft with certain orientation, to make things convenient for shredded paper.
Preferably, described intermetallic spacer ring is for to cut the becket that forms with the flat metal coil of wire.The volume cutting process makes the intermetallic spacer ring be easy to processing, low, the no waste material of processing of cost.The flat metal coil of wire is cut not only Stability Analysis of Structures of the becket that forms, and paper scrap is clipped between two blades can prevent shredded paper the time.
In order to realize another object of the present invention, the invention provides a kind of cutter for paper grinder, it comprises cutter shaft and arranges the blade that is installed on the described cutter shaft at certain intervals that be provided with the intermetallic spacer ring between per two blades, described intermetallic spacer ring is cut by the metal silver lap and formed.Compared with prior art, be separated with the intermetallic spacer ring between between two blades in the cutter for paper grinder of the present invention, have good rigidly, thickness advantage of uniform, make that cutter for paper grinder integral body is firmer, be not easy to deform; On the other hand, the spacer ring of intermetallic described in the present invention is cut by the metal silver lap and is formed, and with respect to processing modes such as punching press, Che Qie or die casting, not only is easy to processing, cost is low, and tolerance variations is little, high conformity, processing do not have waste material.
Preferably, described blade is provided with and the corresponding stopper slot of described intermetallic spacer ring, and described intermetallic spacer ring partly is embedded in the described stopper slot.Because intermetallic spacer ring volume cutting process processes, inevitably has breach on it, make whole intermetallic spacer ring be open shape, in order to make the Stability Analysis of Structures of described intermetallic spacer ring, on described blade, offer the stopper slot corresponding with it, limit the intermetallic spacer ring radially, make its structure firm.
Preferably, described bonding jumper is round wire or flat metal wire.Round wire that use is become a useful person or flat metal wire, cost is low, is convenient to processing.Certainly, described bonding jumper also can be formed by the sheet metal cutting.
In order to realize another purpose of the present invention, the invention provides a kind of cutter for paper grinder processing method, it may further comprise the steps: (1) provides bonding jumper; (2) described metal silver lap is cut be round to obtain the intermetallic spacer ring; (3) provide a cutter shaft and some blades; (4) be installed on the described cutter shaft to obtain cutter for paper grinder blade is alternate with spacer ring.Compared with prior art, the present invention uses the metal silver lap to cut and is processed into round to obtain the intermetallic spacer ring of spaced blade, with respect to processing modes such as punching press, Che Qie or die casting, not only operation simple, be easy to processing, low, the no waste material of processing of cost, and the spacer ring good rigidly, the thickness that process are even, tolerance variations is little, high conformity, make that cutter for paper grinder integral body is firmer, be not easy to deform.
Preferably, described bonding jumper is round wire or flat metal wire.
Preferably, described blade is provided with and the corresponding stopper slot of described intermetallic spacer ring, partly is embedded in the described stopper slot at intermetallic spacer ring described in the step (4).
By following description also in conjunction with the accompanying drawings, detailed explanation technology contents of the present invention, structural feature, the purpose that realizes and the effect of giving.
Description of drawings
Fig. 1 is the stereogram of cutter for paper grinder described in the first embodiment of the invention.
Fig. 2 is a cutaway view of cutting the described cutter for paper grinder in back along A-A line among Fig. 1 open.
Fig. 3 is the assembling schematic diagram of cutter for paper grinder described in the first embodiment of the invention.
Fig. 4 is the stereogram of blade described in the first embodiment of the invention.
Fig. 5 is the vertical view of blade shown in Fig. 4.
Fig. 6 is a cutaway view of cutting the described blade in back along B-B line among Fig. 5 open.
Fig. 7 is the stereogram of cutter for paper grinder described in the second embodiment of the invention.
Fig. 8 is a cutaway view of cutting the described cutter for paper grinder in back along C-C line among Fig. 7 open.
Fig. 9 is the assembling schematic diagram of cutter for paper grinder described in the second embodiment of the invention.
Figure 10 is the stereogram of blade described in the second embodiment of the invention.
Figure 11 is the vertical view of blade shown in Figure 10.
Figure 12 is a cutaway view of cutting the described blade in back along D-D line among Figure 11 open.
Figure 13 is the flow chart of cutter for paper grinder processing method of the present invention.
The specific embodiment
Referring to figs. 1 to Figure 12, cutter for paper grinder 100 of the present invention comprise cutter shaft 11, at certain intervals arrange the blade 12 be installed on the described cutter shaft 11, be arranged between per two blades 12 the intermetallic spacer ring 13 that two blades 12 are spaced apart, described intermetallic spacer ring 13 is cut by the metal silver lap and is formed.
Particularly, referring to figs. 1 to Fig. 6, in the first embodiment of the present invention, described intermetallic spacer ring 13 is cut by the flat metal coil of wire and is formed.
Particularly, to Figure 12, in the second embodiment of the present invention, described intermetallic spacer ring 13 is cut by the round wire volume and is formed with reference to figure 7.
To Fig. 6, Figure 10 to Figure 12, described blade 12 comprises blade 121, be positioned at the installing hole 122 at described blade 121 centers, be positioned at a plurality of blades 123 at described blade 121 edges with reference to figure 4.The preferably, described blade 12 is provided with and described intermetallic spacer ring 13 corresponding stopper slots 124, and when being installed on the cutter shaft 11, described intermetallic spacer ring 13 parts are embedded in the described stopper slot 13 (as Fig. 2, shown in Figure 8).
Particularly, described intermetallic spacer ring 13 is iron spacer ring or steel spacer ring or copper spacer ring.
Particularly, with reference to figure 1, each described blade 12 shifts to install on described cutter shaft 11 with certain orientation, thereby the blade 123 of some blades 12 is staggered.With reference to figure 2, the spacing between per two blades 12 equates, and each described blade 12 is set mutually with adjacent blade 12.
With reference to Figure 13, cutter for paper grinder processing method 200 of the present invention may further comprise the steps: (31) provide bonding jumper; (32) described metal silver lap is cut be round to obtain the intermetallic spacer ring, particularly, described bonding jumper is round wire or flat metal wire; (33) provide a cutter shaft and some blades, described blade is provided with and the corresponding stopper slot of described intermetallic spacer ring; (34) be installed on the described cutter shaft obtaining cutter for paper grinder blade is alternate with spacer ring.
The preferably, in the step (33), described blade is provided with and the corresponding stopper slot of described intermetallic spacer ring, partly is embedded in the described stopper slot at intermetallic spacer ring described in the step (34).
Be appreciated that ground, kneader bar 12 of the present invention is fixed on the cutter shaft 11 by installing hole 122.The installing hole 122 of this blade 12 is generally polygon hole or D shape hole, the cross sectional shape that blade 12 places are installed on the cutter shaft 11 correspondingly is polygon or D shape, by cooperating of installing hole 122 and cutter shaft 11 surfaces, and cooperate the intermetallic spacer ring 13 that is installed between two adjacent blades 12, thereby blade 12 equidistantly is fixed on the cutter shaft 11.In order to make blade 123 stagger dispersed arrangement on the whole circumference of cutter shaft 11, during installation, blade 123 positions of each group blade 12 are different with respect to the center angle of polygonal installing hole.
On the other hand, blade described in the present invention 12 also can be by offering the groove helical form on columned cutter shaft, on the circular mounting hole of blade 12, be convexly equipped with projection with groove fit, by engaging of the groove on the projection on the blade 12 and the cutter shaft, and cooperation is installed in the intermetallic spacer ring 13 between two adjacent blade for shredding paper 12, thereby blade 12 equidistantly is fixed on the cutter shaft shape arrangement in the shape of a spiral of the blade 123 on the blade 12 at this moment.
From the above, cutter for paper grinder 100 of the present invention is provided with intermetallic spacer ring 13 between per two blades 12, so that the spacing between per two blades 12 equates, and each described blade 12 is set mutually with adjacent blade 12, like this, owing to adopt 13 interval actions of intermetallic spacer ring, good rigidly, and thickness is even, and cutter for paper grinder integral body is firmer, is not easy to deform; On the other hand, the intermetallic spacer ring 13 that cutter for paper grinder of the present invention 100 adopts is cut into by the metal silver lap, make simple, cost is low, and tolerance variations is little, high conformity, processing do not have waste material.
Above invention has been described in conjunction with most preferred embodiment, but the present invention is not limited to the embodiment of above announcement, and should contain various modification, equivalent combinations of carrying out according to essence of the present invention.
Claims (10)
1. novel cutter for paper grinder, comprise cutter shaft and arrange the blade that is installed on the described cutter shaft at certain intervals, it is characterized in that: be provided with the intermetallic spacer ring between per two blades, so that the spacing between per two blades equates, and each described blade and adjacent blade are set mutually.
2. novel cutter for paper grinder as claimed in claim 1 is characterized in that, described intermetallic spacer ring is iron spacer ring or steel spacer ring or copper spacer ring.
3. novel cutter for paper grinder as claimed in claim 1 is characterized in that, the periphery of each described blade forms a plurality of blades along circumferential five equilibrium, and each described blade shifts to install on described cutter shaft with certain orientation.
4. novel cutter for paper grinder as claimed in claim 1 is characterized in that, described intermetallic spacer ring is for to cut the becket that forms with the flat metal coil of wire.
5. a cutter for paper grinder comprises cutter shaft and arranges the blade that is installed on the described cutter shaft at certain intervals, and it is characterized in that: be provided with the intermetallic spacer ring between per two blades, described intermetallic spacer ring is cut by the metal silver lap and formed.
6. cutter for paper grinder as claimed in claim 5 is characterized in that, described blade is provided with and the corresponding stopper slot of described intermetallic spacer ring, and described intermetallic spacer ring partly is embedded in the described stopper slot.
7. cutter for paper grinder as claimed in claim 5 is characterized in that, described bonding jumper is round wire or flat metal wire.
8. a cutter for paper grinder processing method is characterized in that, may further comprise the steps:
(1) provides bonding jumper;
(2) described metal silver lap is cut be round to obtain the intermetallic spacer ring;
(3) provide a cutter shaft and some blades;
(4) be installed on the described cutter shaft to obtain cutter for paper grinder blade is alternate with spacer ring.
9. cutter for paper grinder processing method as claimed in claim 8 is characterized in that: described bonding jumper is round wire or flat metal wire.
10. cutter for paper grinder processing method as claimed in claim 8 is characterized in that: described blade is provided with and the corresponding stopper slot of described intermetallic spacer ring, partly is embedded in the described stopper slot at intermetallic spacer ring described in the step (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110267303 CN102294290B (en) | 2011-03-25 | 2011-09-09 | Cutting tool of paper shredder and processing method of cutting tool |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120084041.5 | 2011-03-25 | ||
| CN201120084041 | 2011-03-25 | ||
| CN 201110267303 CN102294290B (en) | 2011-03-25 | 2011-09-09 | Cutting tool of paper shredder and processing method of cutting tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102294290A true CN102294290A (en) | 2011-12-28 |
| CN102294290B CN102294290B (en) | 2013-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110267303 Active CN102294290B (en) | 2011-03-25 | 2011-09-09 | Cutting tool of paper shredder and processing method of cutting tool |
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| CN (1) | CN102294290B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104437778A (en) * | 2014-12-26 | 2015-03-25 | 朱明江 | Organic fertilizer particle crusher |
| CN109174373A (en) * | 2018-09-26 | 2019-01-11 | 东莞市宏湖智能装备有限公司 | A kind of detachable for lithium battery shredder tears up knife assembly |
| CN109731647A (en) * | 2019-02-22 | 2019-05-10 | 胡玉 | A kind of kitchen residue pulverizer |
| CN109731890A (en) * | 2019-02-22 | 2019-05-10 | 胡玉 | A kind of kitchen residue feed prepares utilization system |
| CN112889767A (en) * | 2021-01-20 | 2021-06-04 | 钟文明 | Balance type double-hook float pendant |
| CN114515637A (en) * | 2020-11-20 | 2022-05-20 | 住友重机械环境工程株式会社 | Crushing device and manufacturing method thereof |
| US11444398B2 (en) | 2018-03-22 | 2022-09-13 | Amphenol Corporation | High density electrical connector |
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| CN2340503Y (en) * | 1998-10-15 | 1999-09-29 | 东莞市塘厦三威电器制造厂 | Combined cutting tool of paper breaker |
| CN2353448Y (en) * | 1998-08-14 | 1999-12-15 | 王同宝 | Combined hob-cutter structure of kneader |
| US20040262436A1 (en) * | 2003-06-30 | 2004-12-30 | Emily Lo | Paper shredder cutting tool having multiple cutting edges |
| CN101596482A (en) * | 2009-07-01 | 2009-12-09 | 陆学中 | A kind of paper shredding cutters and processing method thereof |
| CN201755513U (en) * | 2010-05-07 | 2011-03-09 | 东莞福泰电子有限公司 | Paper shredder blade |
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2011
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2353448Y (en) * | 1998-08-14 | 1999-12-15 | 王同宝 | Combined hob-cutter structure of kneader |
| CN2340503Y (en) * | 1998-10-15 | 1999-09-29 | 东莞市塘厦三威电器制造厂 | Combined cutting tool of paper breaker |
| US20040262436A1 (en) * | 2003-06-30 | 2004-12-30 | Emily Lo | Paper shredder cutting tool having multiple cutting edges |
| CN101596482A (en) * | 2009-07-01 | 2009-12-09 | 陆学中 | A kind of paper shredding cutters and processing method thereof |
| CN201755513U (en) * | 2010-05-07 | 2011-03-09 | 东莞福泰电子有限公司 | Paper shredder blade |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104437778A (en) * | 2014-12-26 | 2015-03-25 | 朱明江 | Organic fertilizer particle crusher |
| US11444398B2 (en) | 2018-03-22 | 2022-09-13 | Amphenol Corporation | High density electrical connector |
| CN109174373A (en) * | 2018-09-26 | 2019-01-11 | 东莞市宏湖智能装备有限公司 | A kind of detachable for lithium battery shredder tears up knife assembly |
| CN109174373B (en) * | 2018-09-26 | 2024-04-05 | 东莞市宏湖智能装备有限公司 | Just, tear garrulous sword subassembly open for lithium cell shredder |
| CN109731647A (en) * | 2019-02-22 | 2019-05-10 | 胡玉 | A kind of kitchen residue pulverizer |
| CN109731890A (en) * | 2019-02-22 | 2019-05-10 | 胡玉 | A kind of kitchen residue feed prepares utilization system |
| CN114515637A (en) * | 2020-11-20 | 2022-05-20 | 住友重机械环境工程株式会社 | Crushing device and manufacturing method thereof |
| CN112889767A (en) * | 2021-01-20 | 2021-06-04 | 钟文明 | Balance type double-hook float pendant |
| CN112889767B (en) * | 2021-01-20 | 2022-08-23 | 钟文明 | Balance type double-hook float pendant |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102294290B (en) | 2013-07-10 |
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Address after: Building 1, No. 10 Guanhuang North Road, Gaopu Town, Dongguan City, Guangdong Province, 523000 Patentee after: Guangdong Jingrui Precision Industry Co.,Ltd. Address before: 523270 Dongguan Jingrui Electrical Hardware Co., Ltd., Hengjiaotou Industrial Zone, Gaopu Town, Dongguan City, Guangdong Province Patentee before: DONGGUAN ELITE ELECTRIC HARDWARE PRODUCT Co.,Ltd. |
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