CN103920572B - Cutter assembly and crusher for crushing storage medium - Google Patents
Cutter assembly and crusher for crushing storage medium Download PDFInfo
- Publication number
- CN103920572B CN103920572B CN201410132978.3A CN201410132978A CN103920572B CN 103920572 B CN103920572 B CN 103920572B CN 201410132978 A CN201410132978 A CN 201410132978A CN 103920572 B CN103920572 B CN 103920572B
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- China
- Prior art keywords
- cutter
- knife
- blade
- point
- edge bearing
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- 238000010298 pulverizing process Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 3
- 239000002245 particle Substances 0.000 abstract 1
- 238000010008 shearing Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 239000011802 pulverized particle Substances 0.000 description 3
- 229910001103 M42 high speed steel Inorganic materials 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000003631 expected effect Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Landscapes
- Crushing And Pulverization Processes (AREA)
Abstract
The invention relates to a cutter assembly and a crusher for crushing a storage medium. The cutter assembly comprises a group of cutter assembly body of two cutters, and each cutter comprises a rotating shaft, a plurality of cutter blades and cutter pads, wherein both the cutter blades and the cutter pads are respectively in an annular shape and sequentially and alternately sleeve the rotating shaft, continuous cutter tips are distributed on the periphery of each cutter blade, and each cutter tip is in the shape of an isosceles triangle with a 60-DEG top angle. The two cutters are arranged side by side, and the cutter blades of one cutter are opposite to the cutter pads of the other cutter. By designing the cutter tip of each cutter blade in the shape of an isosceles triangular with a 60-DEG top angle, each two adjacent cutter tips can be used for first cutting the medium in the longitudinal direction, and then the medium can be cut off transversely through the combination of the cutter tips and the cutter pads, i.e. the medium can be transversely and longitudinally cut by one group of cutters, so that the process for crushing the medium into particles can be realized through the group of cutter assembly body in a simple structure. The cutter assembly has the advantages that the uniformity in acting force is realized, the strength is high, and the service life is long.
Description
Technical field
The invention belongs to electronic information technology security fields, being specifically related to one kind can be to toner cartridge, hard disc, light
The major part concerning security matters storage medium such as disk, USB flash disk, chip, IC-card, SD card/CF card/TF (MicroSD) card/mmc card/MiniSD card enters
Row is accurate to pulverize the knife combination destroyed and the pulverizer using this cutter.
Background technology
Conventional concerning security matters electric information carrier mainly include toner cartridge, hard disc, CD, USB flash disk, chip, IC-card, SD card/
CF card/TF (MicroSD) card/mmc card/MiniSD card etc..Because of the particularity of above electric information carrier, it needs to be crushed to one
Fixed degree can be only achieved thoroughly destroys the secrecy effect that cannot recover, for example《The carrier being related to state secret is destroyed and information
Remove safe and secret requirement》Specified in pulverize as the no more than fragment of 2mm*1mm.
The crushing effect of pulverizer is mainly determined by cassette mechanism structure, and the core component of movement is crushing knife tool and its group
Close.Kind of carrier is various, comes in every shape, and material is different, and disintegrating apparatus in the market are mostly the special of single function and set
Standby, and the equipment mostly volume that can possess pulverizing medium function is larger, movement internal structure is complicated, and majority is by many
The combination of group cutter, such as the storage of display in the patent of Application No. 201210003319.0 and 201120210277.9 is situated between
Matter pulverizer includes two groups of cutters, and the object that need are pulverized is carried out primary breakup through first group of cutter by material, by second group
Cutter carries out dispersion and fining again.Even the structure that medium is repeatedly pulverized, its pulverized particles is also typically all in 2mm*
More than 6mm, and the existing pulverizer only with one group of cutter even more cannot realize enough breaking using technology such as milling cutter, oblique knife chis
Broken effect, does not reach the needs of secrecy.And because most of prior art construction is complicated, easily occur stifled during causing to use
Material, the problems such as material leakage, cutter life is low, and noise is serious, is unfavorable for using in an office environment.
Content of the invention
For solving the above problems, the present invention provides a kind of knife combination for storage medium pulverizing and pulverizer, can
Most of concerning security matters storage medium is carried out pulverize and destroy, and structure is simple, only with one group of cutter, can complete to storage medium
Pulverize and destroy, good crushing effect.
Technical scheme is as follows：
It is characterised in that described blade is the annular of hollow, peripheral distribution has a kind of blade for storage medium pulverizing
Continuous point of a knife, described point of a knife is the isosceles triangle of 60 ° of drift angle.
A kind of knife combination for storage medium pulverizing is it is characterised in that be one group of cutter group including two cutters
Close, each described cutter includes rotary shaft, some blades and edge bearing respectively, and described blade and edge bearing are annular and the set that interlocks successively
On the rotating shaft, described blade peripheral distribution has continuous point of a knife, and described point of a knife is the isosceles triangle of 60 ° of drift angle；Two knives
Tool is arranged side by side, and the blade of one of cutter is relative with the edge bearing of another cutter, between two cutter rotary shaft centers
Distance less than the respective point of a knife of two cutters to center transmission shaft apart from sum, and the point of a knife of one of cutter arrives another
The minimum range of the pad of cutter is less than the thickness of storage medium.
The thickness of described blade is 0.5mm-2mm.
Total number of teeth of described point of a knife is 30-120.
Described blade, the material of edge bearing are M42 steel.
The overall diameter of described blade is 10-200mm.
Described edge bearing is 0.5mm-2.6mm along being driven axial thickness.
Described power transmission shaft is shaped as, with the contact surface vertical section of annular blade, the circle that a part of circumference is straight line, wears
Cross described straight line midpoint normal also through the center of circle and blade a certain point of a knife.
The distance at described point of a knife to rotary shaft center is 25-40mm.
The minimum range of described point of a knife to corresponding edge bearing is 0.1-0.7mm.
A kind of pulverizer for storage medium pulverizing, it is characterised in that above-mentioned knife combination, also includes positioned at each
Shaving below cutter, described shaving includes spaced gear piece, and correspondence is close on the top at the two ends of each described gear piece
Pad surface, the interval between adjacent gear piece can make the without hindrance rotation of blade.
Longitudinally have the material leakage groove at least communicating up and down in described interval in described shaving bottom.
The present invention realizes expected effect by the cooperation of especially selected blade shapes and blade and edge bearing.Two knives
Tool is arranged side by side, and the blade of one of cutter is relative with the edge bearing of another cutter, and the point of a knife of described blade is 60 ° of drift angle
Isosceles triangle design so that adjacent point of a knife first can carry out longitudinal shearing to medium and isolate, then point of a knife and edge bearing
In conjunction with medium can be carried out with horizontal shearing cut-out, that is, it is capable of one group of cutter and carries out horizontal and vertical shearing, therefore
Only can complete medium is ground into the process of granule by the simple one group of knife combination of structure, can be to toner cartridge, hard disk disk
The major part concerning security matters electronics such as piece, CD, USB flash disk, chip, IC-card, SD card/CF card/TF (MicroSD) card/mmc card/MiniSD card
Information carrier carries out physical pulverization；And point of a knife is 60 ° of isosceles triangle, can guarantee that point of a knife is made to medium with tip all the time
With, and even action, more preferably, the life-span is longer for intensity.Because point of a knife is equilateral triangle, the external diameter of blade and the point of a knife number of teeth determine
Afterwards, the size of point of a knife also can determine therewith.
The width of medium pulverized particles determines, the blade thickness of the present invention can set according to crushing effect by the thickness of blade
Count into 0.5mm-2mm, the length of medium pulverized particles is determined by the number of teeth of blade, the point of a knife number of teeth root of the blade of the present invention
Can be 30-120 tooth according to crushing effect, after pulverizing whereby, the effective information revolution mark of granule is less than 1mm*2mm, meets
Privacy.
This equipment high efficiency, energy-conservation, low noise, it is completely suitable for office environment and use.
Brief description
Fig. 1 is a kind of schematic perspective view of the embodiment of the pulverizer for storage medium pulverizing；
Fig. 2 is the profile at the interval through shaving arbitrary in embodiment illustrated in fig. 1；
Fig. 3 is the blade shapes figure of embodiment 1；
Fig. 4 is the shaving shape graph of embodiment 1.
Description of reference numerals：
1- rotary shaft；2- blade；3- shaving；4- edge bearing；5- locking nut；6- point of a knife；7- straight line；8- drain spout.
Specific embodiment
With reference to the accompanying drawings and examples the present invention is specifically described.
Fig. 1-Fig. 4 show a kind of embodiment of the pulverizer for storage medium pulverizing, and it includes one group of knife combination
Shaving below, wherein said knife combination includes two cutters, and each cutter includes rotary shaft 1, some blades 2 respectively
With edge bearing 4, described blade 2 and edge bearing 4 are annular and interlock successively and be enclosed within rotary shaft 1, locked with locking nut 5, by electronic
Machine drives rotary shaft 1 direction as shown in Fig. 1 arrow to rotate.Described blade 2 peripheral distribution has continuous point of a knife 6, and described point of a knife 6 is
The isosceles triangle that 60 ° of drift angle, concrete as shown in figure 3, this kind of design to can guarantee that a kind of cutter can be carried out simultaneously horizontal and vertical
To shearing, and point of a knife is isosceles triangle, and more preferably, the life-span is longer for intensity.In addition described power transmission shaft 1 and annular as shown in Figure 3
The contact surface cross sectional shape of blade 2 is the circle that a part of circumference is straight line 7, and the normal through described straight line midpoint passes through
The center of circle and the point of a knife of blade, can position all of blade concordant it is ensured that the stability of shearing and concordance.Knife in the present embodiment
The thickness of piece is 2mm, and the thickness of edge bearing is 2.6mm, and the size of point of a knife is 60 °, and the quantity of blade is 112, the number of teeth of point of a knife
For 42, the overall diameter of blade is 64mm.
Two cutters are arranged side by side, and the blade 2 of one of cutter is relative with the edge bearing 4 of another cutter.The present embodiment
The storage medium of middle process is CD, and CD enters shown position by dog-house, as shown in Fig. 2 by two adjacent knives
Interacting thus reaching the pulverizing purpose to medium between piece 2 and between relative blade 2 and edge bearing 4.Two cutters
Rotary shaft centre distance be less than each cutter point of a knife to center transmission shaft apart from sum it is ensured that adjacent point of a knife can be right
Medium carries out longitudinal shearing；And the minimum range of the point of a knife of one of cutter to the pad of another cutter is less than storage and is situated between
The thickness of matter is it is ensured that point of a knife can carry out horizontal shearing to medium it is ensured that one group of cutter can be ground into medium with edge bearing
The shape of sufficiently small granule, in addition corresponding point of a knife and edge bearing can be in close contact, because CD has occurred longitudinal mistake
, as long as therefore the certain active force of lateral shear can cut off CD, so there is certain protection position to point of a knife and edge bearing.This
The distance at embodiment point of a knife to rotary shaft center is 32mm, and the distance of two center transmission shafts is 56mm, and point of a knife is to corresponding edge bearing
Minimum range is 0.5mm.
Two tips of each gear piece of shaving 3 are close to edge bearing 4 surface as shown in Figure 2,4, can shave and be bonded at knife
Medium on pad 4, blade 2 between the gear piece gap of shaving 3, shave the end face inside chi gear piece can shave on blade 2 viscous
Medium, and encapsulated protective effect is played to blade 2, effectively increase the intensity life-span of blade 2.Length is arranged at shaving 3 bottom
The drain spout 8 of bar shaped is it is ensured that the medium shaving can smoothly spill.Shaving 3 is arranged on below edge bearing 4, can either effectively protect
Shield blade 2, can shave to the medium being bonded on blade 2 and edge bearing 4 in rotational shear again, prevent putty, material leakage
Occur.
The above specific embodiment can make those skilled in the art that the present invention is more fully understood, but not to appoint
Where formula limits the scope of protection of present invention, the technical scheme of all spirit and scope without departing from this patent and its change
Enter, for example, adjust blade, knife using different type of drive or in order to physical pulverization is carried out to different electric information carriers
The condition such as the size of pad and position relationship, as long as meeting the spirit of the present invention, it is encompassed by the middle of the protection domain of this patent.
Claims (6)
1. a kind of knife combination for storage medium pulverizing is it is characterised in that be one group of knife combination including two cutters,
Each described cutter includes rotary shaft, some blades and edge bearing respectively, and described blade and edge bearing are enclosed within for annular and staggered successively
In rotary shaft, described blade peripheral distribution has continuous point of a knife, and described point of a knife is the isosceles triangle of 60 ° of drift angle；Two cutters
Be arranged side by side, the blade of one of cutter is relative with the edge bearing of another cutter, between two cutter rotary shaft centers away from
From less than the respective point of a knife sum to a distance from rotary shaft center of two cutters, and the point of a knife of one of cutter is to another knife
The minimum range of the edge bearing of tool is less than the thickness of storage medium, and the thickness of described blade is 0.5mm-2mm, total tooth of described point of a knife
Number is 30-120, and described edge bearing is 0.5mm-2.6mm along the thickness of rotating shaft direction, the contact with annular blade for the described rotary shaft
Face vertical section be shaped as a part of circumference be straight line circle, through described straight line midpoint normal also through the center of circle
A certain point of a knife with blade.
2. knife combination according to claim 1 is it is characterised in that the overall diameter of described blade is 10-200mm.
3. knife combination according to claim 1 is it is characterised in that the distance at described point of a knife to rotary shaft center is 25-
40mm.
4. knife combination according to claim 1 is it is characterised in that the minimum range of described point of a knife to corresponding edge bearing is
0.1-0.7mm.
5. a kind of pulverizer for storage medium pulverizing is it is characterised in that adopt the cutter described in any one of claim 1-4
Combination, also includes the shaving below each cutter, described shaving includes spaced gear piece, and the two of each described gear piece
The surface of corresponding edge bearing is close on the top at end, and the interval between adjacent gear piece can make the without hindrance rotation of blade.
6. pulverizer according to claim 5 is it is characterised in that longitudinally have at least between described in described shaving bottom
The material leakage groove communicating up and down every place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410132978.3A CN103920572B (en) | 2014-04-03 | 2014-04-03 | Cutter assembly and crusher for crushing storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410132978.3A CN103920572B (en) | 2014-04-03 | 2014-04-03 | Cutter assembly and crusher for crushing storage medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103920572A CN103920572A (en) | 2014-07-16 |
| CN103920572B true CN103920572B (en) | 2017-02-15 |
Family
ID=51139105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410132978.3A Active CN103920572B (en) | 2014-04-03 | 2014-04-03 | Cutter assembly and crusher for crushing storage medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103920572B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110142111B (en) * | 2019-03-28 | 2024-03-15 | 上海斯熠环保科技有限公司 | High-speed reducing mechanism of large-scale melon and fruit discarded object |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4109467C2 (en) * | 1991-03-22 | 1997-03-27 | Schleicher & Co Int | Document shredder |
| JP2948528B2 (en) * | 1996-06-20 | 1999-09-13 | 日進工具株式会社 | cutter |
| JP3098745B1 (en) * | 1999-08-10 | 2000-10-16 | 旬 高橋 | Crushing machine |
| CN1195586C (en) * | 2003-02-25 | 2005-04-06 | 黄铭玉 | Mechanism for shredding paper in grit type paper shredder |
| CN2734327Y (en) * | 2004-05-17 | 2005-10-19 | 罗贤俐 | Destroying device with paper and CD disk crushing function |
| CN201168634Y (en) * | 2008-02-02 | 2008-12-24 | 平钢 | Blade of paper chipper blade of paper chipper |
| CN102451792A (en) * | 2010-10-25 | 2012-05-16 | 韦成红 | Shredder cutter |
| CN203076036U (en) * | 2013-03-08 | 2013-07-24 | 杭州金株机电有限公司 | Crushing cutting tool |
| CN103446940B (en) * | 2013-08-19 | 2015-09-02 | 浙江锦尚合成革有限公司 | A kind of rotating blade |
| CN203764354U (en) * | 2014-04-03 | 2014-08-13 | 张忠义 | Cutting tool assembly and crusher for crushing memory mediums |
-
2014
- 2014-04-03 CN CN201410132978.3A patent/CN103920572B/en active Active
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| Publication number | Publication date |
|---|---|
| CN103920572A (en) | 2014-07-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Jia Songlin Inventor after: Jin Gang Inventor after: Wen Shuai Inventor after: He Xu Inventor after: Zhang Jie Inventor before: Jia Songlin Inventor before: Wen Shuai Inventor before: He Xu Inventor before: Zhang Jie |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180903 Address after: 301700 19, 115-28, Jing Bin Road, Wuqing, Tianjin. Patentee after: Tianjin Mi Zhi Shield Technology Co., Ltd. Address before: 100029 room 421, friend building, 16 north earth road, Chaoyang District, Beijing Patentee before: Zhang Zhongyi |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191126 Address after: Room A202, 2f, gate a, building 13, Enji Xiyuan Industrial Park, No. 1, liangjiadian, Fuwai, Haidian District, Beijing 100089 Patentee after: Beijing RXHY Technology Co., Ltd. Address before: 301700 19, 115-28, Jing Bin Road, Wuqing, Tianjin. Patentee before: Tianjin Mi Zhi Shield Technology Co., Ltd. |