CN214515062U - Paper shredder with improved shredding blade - Google Patents
Paper shredder with improved shredding blade Download PDFInfo
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- CN214515062U CN214515062U CN202023250979.8U CN202023250979U CN214515062U CN 214515062 U CN214515062 U CN 214515062U CN 202023250979 U CN202023250979 U CN 202023250979U CN 214515062 U CN214515062 U CN 214515062U
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Abstract
The utility model discloses a paper shredder with improved paper shredding blade, the paper shredding blade comprises a blade base body in the shape of a thin sheet, the central part of the blade base body is provided with a mounting hole, the periphery of the blade base body is integrally formed with a plurality of sharp paper pricking teeth, the inner side surface of the blade base body is respectively provided with a rolling part at the position corresponding to each sharp paper pricking tooth, and the rolling part is overlapped at the inner side of the outline of the sharp paper pricking tooth; an annular cutting edge is integrally formed on the side surface of the blade base body and protrudes out of the middle of the side surface of the blade base body. The utility model discloses a prick paper sharp tooth and have higher structural strength, can bear bigger effort, can prick disconnected thicker file, this can increase substantially the fragmentation rate of shredded paper in-process, and when improving the fragmentation rate, can improve the maximum paper feed volume of single, when improving the fragmentation rate promptly at the shredded paper operating mode of high strength heavy load under the continuous operation longer time, and life is longer.
Description
Technical Field
The utility model belongs to the technical field of the kneader technique and specifically relates to a kneader of improvement shredded paper blade.
Background
The paper shredder is used for shredding documents, the paper shredder shreds the documents into segments or particles through a paper shredding blade arranged on a paper shredding cutter rod, the documents are firstly cut into strip-shaped paper through the outer edge of the paper shredding blade in the paper shredding process, and then the strip-shaped paper is cut through sharp teeth on the periphery of the paper shredding blade, so that the documents are completely shredded. The paper shredder of each specification has rated single maximum paper feeding amount which is determined according to the power of a motor in the paper shredder, the strength of a transmission mechanism, the structural strength of a knife bar and the structural strength of a paper shredding blade, the core factor limiting the single maximum paper feeding amount is the power of the motor and the structural strength of the paper shredding blade, the paper shredding blade has determined dimensional specification standards, generally two paper shredding blades are arranged back to form a paper shredding blade group, the total width of one paper shredding blade group is 4mm, a file is cut into strip-shaped paper with the width of 4mm in the paper shredding process, the acting force borne by sharp teeth of the paper shredding blade is the largest in the paper shredding process, the sharp teeth of the paper shredding blade are thin and sharp, the structural strength of the sharp teeth of the paper shredding blade limits the single maximum paper feeding amount which can be loaded by the paper shredding blade, and the paper shredding blade can not cut the file in overload, and the sharp teeth of the shredder blade are easily blunted or pricked, so there is a need for improvement.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing an improve kneader of shredded paper blade, shredded paper blade's structural strength is bigger, promotes the biggest paper feed volume of single, can carry out the shredded paper work of high strength heavy load, and life is longer.
In order to realize the purpose, the utility model discloses the technical scheme who adopts is: a paper shredder with improved paper shredding blades comprises a paper shredder head and an outer barrel or a support arranged below the paper shredder head, wherein a control unit and a paper shredder core are arranged in an inner cavity of the paper shredder head, a paper shredding motor, a transmission mechanism and a paper shredding knife bar are arranged on the paper shredder core, the paper shredding motor is in transmission connection with the transmission mechanism, the transmission mechanism is in transmission connection with the paper shredding knife bar, the control unit is electrically connected with the paper shredding motor, a plurality of paper shredding knife groups are arranged at intervals in a string mode on the paper shredding knife bar, each paper shredding knife group comprises two paper shredding knife blades in back-to-back abutting fit, each paper shredding knife blade comprises a thin-sheet-shaped knife blade base body, a mounting hole is formed in the center of each knife blade base body, a plurality of paper bundling sharp teeth are integrally formed on the periphery of each knife blade base body, rolling parts are respectively arranged on the positions corresponding to the paper bundling sharp teeth on the inner side face of each knife blade base body, and are overlapped on the inner sides of the outlines of the paper bundling sharp teeth; an annular cutting edge is integrally formed on the side surface of the blade base body and protrudes out of the middle of the side surface of the blade base body.
In a further technical scheme, the inner end parts of the paper binding sharp teeth are integrally connected with the blade base body, the outer end parts of the paper binding sharp teeth are provided with sharp teeth, the outer side surfaces of the sharp teeth are provided with an inclined part, the inner side surfaces of the paper binding sharp teeth are provided with a plane part, the plane part is provided with the rolling part, the outer contour shape of the rolling part is the same as the outer contour shape of the paper binding sharp teeth, and the outer contour shape of the rolling part and the outer contour shape of the paper binding sharp teeth form a strengthened blade wall.
In a further technical scheme, the surface of the rolling part is lower than the surface of the plane part, the surface of the reinforced cutter wall is flush with the surface of the plane part, the density of the reinforced cutter wall is greater than that of the rolling part, and the density of the rolling part is greater than that of the blade base body.
In a further technical scheme, the distance between the outer contour shape of the rolling part and the outer contour shape of the paper binding sharp teeth is set to be 0.5-1 mm.
In a further technical scheme, the paper binding sharp teeth are obliquely arranged towards the front side, a front cutter wall is formed on a front side wall body of the paper binding sharp teeth, a rear cutter wall is formed on a rear side wall body of the paper binding sharp teeth, the length of the rear cutter wall is greater than that of the front cutter wall, and the length of the part, on one side of the rear cutter wall, of the rolled part along the direction of the rear cutter wall is greater than that of the part, on one side of the front cutter wall, of the rolled part along the direction of the front cutter wall.
In a further technical scheme, the paper binding sharp teeth are arranged in a protruding mode along the radial direction relative to the annular cutting edge, the first end of the annular cutting edge located between every two adjacent paper binding sharp teeth is integrally connected to the middle of the rear cutter wall of the paper binding sharp teeth on the corresponding side, and the second end of the annular cutting edge is integrally connected to the middle of the front cutter wall of the paper binding sharp teeth on the corresponding side.
In a further technical scheme, the outer edge of the side face of the blade base body is provided with an outer cutting edge, the annular cutting edge is positioned on the inner side of the outer cutting edge, and the annular cutting edge is arranged in a protruding mode relative to the outer cutting edge along the radial direction.
In a further technical scheme, the outer edge of the annular cutting edge protrudes 1-5mm relative to the outer cutting edge.
In a further technical scheme, a positioning hole is integrally formed in the inner side face of one of the paper shredding blades of the paper shredding blade group, a positioning column inserted into the corresponding positioning hole is integrally formed in the inner side face of the other paper shredding blade, and a plurality of positioning grooves arranged at intervals are formed in the hole edge of the mounting hole of each paper shredding blade.
In a further technical scheme, a paper inlet is formed in the top surface of the paper shredder head, and an inner paper scrap collecting barrel is movably placed in an inner cavity of the outer barrel.
After the structure is adopted, compared with the prior art, the utility model the advantage that has is: the utility model discloses a prick paper sharp tooth and have higher structural strength, can bear bigger effort, can prick disconnected thicker file, this can increase substantially the fragmentation rate of shredded paper in-process, and when improving the fragmentation rate, can improve the maximum paper feed volume of single, when improving the fragmentation rate promptly at the shredded paper operating mode of high strength heavy load under the continuous operation longer time, and life is longer.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of the shredder of the present invention.
Fig. 2 is a schematic structural diagram of the shredder mechanism of the present invention.
Fig. 3 is a schematic structural view of the paper shredding blade set of the present invention.
Fig. 4 is an assembly view of the paper shredding blade set of the present invention.
In the figure:
1 paper shredder head 11 outer barrel 12 paper inlet.
2-shredder core 21 shredder motor 22 driving mechanism 23 shredder bar.
The 3-piece paper shredding blade 31 has a blade base 32 mounting hole 33 for binding the paper sharp tooth 34 and the annular cutting edge 36 of the nip portion 35, the inclined portion 37 reinforces the positioning groove of the positioning column 303 of the positioning hole 302 of the front blade wall 39 and the rear blade wall 301 of the front blade wall 38.
Detailed Description
A paper shredder with an improved shredding blade is shown in figures 1 to 4 and comprises a paper shredder head 1 and an outer barrel 11 or a bracket arranged below the paper shredder head 1, wherein a paper inlet 12 is arranged on the top surface of the paper shredder head 1, and an inner paper scrap collecting barrel is movably arranged in the inner cavity of the outer barrel 11.
The inner cavity of the shredder head 1 is provided with a control unit and a shredder core 2, the shredder core 2 is provided with a shredder motor 21, a transmission mechanism 22 and a shredder blade bar 23, the shredder motor 21 is in transmission connection with the transmission mechanism 22, the transmission mechanism 22 is in transmission connection with the shredder blade bar 23, the control unit is electrically connected with the shredder motor 21, the shredder blade bar 23 is provided with a plurality of shredder blade sets at intervals in series, each shredder blade set comprises two shredder blades 3 which are in back-to-back abutting-against fit, one inner side surface of one of the shredder blades 3 of the shredder blade set is integrally formed with a positioning hole 301, the inner side surface of the other shredder blade 3 is integrally formed with a positioning column 302 inserted in the corresponding positioning hole 301, and the edge of the mounting hole 32 of each shredder blade 3 is formed with a plurality of positioning grooves 303 arranged at intervals.
The paper shredding blade 3 comprises a blade base body 31 in a sheet shape, a mounting hole 32 is formed in the center of the blade base body 31, a plurality of paper binding sharp teeth 33 are integrally formed on the periphery of the blade base body 31, rolling parts 34 are respectively arranged on the inner side face of the blade base body 31 at positions corresponding to the paper binding sharp teeth 33, and the rolling parts 34 are overlapped on the inner sides of the outer contours of the paper binding sharp teeth 33; the inner end parts of the paper binding sharp teeth 33 are integrally connected with the blade substrate 31, the outer end parts of the paper binding sharp teeth 33 are provided with sharp teeth, the outer side surfaces of the sharp teeth are provided with inclined parts 36, the inner side surfaces of the paper binding sharp teeth 33 are provided with a plane part, the plane part is provided with a rolling part 34, the outer contour shape of the rolling part 34 is the same as the outer contour shape of the paper binding sharp teeth 33, and the outer contour shape of the rolling part 34 and the outer contour shape of the paper binding sharp teeth 33 form a strengthened blade wall 37. The surface of the rolled portion 34 is lower than the surface of the flat portion, the surface of the reinforcing blade wall 37 is flush with the surface of the flat portion, the density of the reinforcing blade wall 37 is greater than that of the rolled portion 34, and the density of the rolled portion 34 is greater than that of the blade base body 31. The paper binding sharp teeth 33 are obliquely arranged towards the front side, the front side wall body of the paper binding sharp teeth 33 forms a front knife wall 38, the rear side wall body forms a rear knife wall 39, the length of the rear knife wall 39 is greater than that of the front knife wall 38, and the length of the pressing part 34 along the direction of the rear knife wall 39 on the side of the rear knife wall 39 is greater than that of the pressing part 34 along the direction of the front knife wall 38 on the side of the front knife wall 38. The distance between the outer contour shape of the rolling part 34 and the outer contour shape of the paper binding sharp teeth 33 is set to be 0.5-1 mm. Compare with the sharp tooth 33 of pricking paper of the same size that uses the same material to make, the utility model discloses a prick sharp tooth 33 of paper has higher structural strength, can bear bigger effort, can prick disconnected thicker file, and this can increase substantially the shredded rate of shredded paper in-process, and when improving the shredded rate, can improve the maximum paper feed volume of single, when improving the shredded rate promptly at the shredded paper operating mode of high strength heavy load under the continuous operation longer time, and life is longer.
An annular cutting edge 35 is integrally formed at the side of the blade base 31, and the annular cutting edge 35 is protruded at the middle of the side of the blade base 31. The paper binding sharp teeth 33 are convexly arranged relative to the annular cutting edge 35 along the radial direction, the first end of the annular cutting edge 35 positioned between every two adjacent paper binding sharp teeth 33 is integrally connected to the middle part of the rear cutter wall 39 of the paper binding sharp teeth 33 on the corresponding side, the second end of the annular cutting edge 35 is integrally connected to the middle part of the front cutter wall 38 of the paper binding sharp teeth 33 on the corresponding side, and the annular cutting edge 35 supports each paper binding sharp tooth 33 while realizing the paper cutting function, namely the annular cutting edge 35 simultaneously enhances the structural strength of each paper binding sharp tooth 33.
The outer edge of the side surface of the blade base body 31 is provided with an outer cutting edge, and the annular cutting edge 35 is located inside the outer cutting edge and is arranged to protrude in the radial direction relative to the outer cutting edge by the annular cutting edge 35. The outer edge of the annular cutting edge 35 protrudes 1-5mm relative to the outer cutting edge. The annular cutting edge 35 cuts the document, and one paper shredding blade set can cut the strip paper cut by the paper shredding blade set into three strip papers again, so that the paper shredding rate is improved. Compare with the traditional shredded paper blade group of the same width specification, the utility model discloses the width of the wastepaper of smashing out is for using the one-third of the width of the wastepaper that traditional shredded paper blade group smashed out, and the shredded paper blade group of the same width specification promptly the utility model discloses the wastepaper of smashing out is thinner, and secret rank is higher.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (10)
1. The utility model provides an improve kneader of shredded paper blade, include shredded paper aircraft nose (1) and install outer bucket (11) or the support in shredded paper aircraft nose (1) below, the inner chamber of shredded paper aircraft nose (1) installs control unit and shredded paper core (2), shredded paper motor (21) is installed in shredded paper core (2), drive mechanism (22) and shredded paper sword stick (23), drive mechanism (22) are connected in shredded paper motor (21) transmission, shredded paper sword stick (23) are connected in drive mechanism (22) transmission, shredded paper motor (21) is connected to the control unit electricity, shredded paper sword stick (23) interval cluster is equipped with a plurality of shredded paper blade groups, shredded paper blade group includes two and supports back to back and top complex shredded paper blade (3), its characterized in that: the paper shredding blade (3) comprises a blade base body (31) in a sheet shape, a mounting hole (32) is formed in the center of the blade base body (31), a plurality of paper binding sharp teeth (33) are integrally formed on the periphery of the blade base body (31), rolling parts (34) are respectively arranged on the inner side face of the blade base body (31) at positions corresponding to the paper binding sharp teeth (33), and the rolling parts (34) are overlapped on the inner sides of the outer contours of the paper binding sharp teeth (33); an annular cutting edge (35) is integrally formed on the side surface of the blade base body (31), and the annular cutting edge (35) protrudes in the middle of the side surface of the blade base body (31).
2. The shredder with improved shredding blade as claimed in claim 1, wherein: the inner end parts of the paper binding sharp teeth (33) are integrally connected to the blade base body (31), sharp teeth are arranged at the outer end parts of the paper binding sharp teeth (33), an inclined part (36) is arranged on the outer side surface of each sharp tooth, a plane part is arranged on the inner side surface of each paper binding sharp tooth (33), a rolling part (34) is arranged on the plane part, the outer contour shape of each rolling part (34) is the same as that of each paper binding sharp tooth (33), and a reinforced cutter wall (37) is formed by the outer contour shape of each rolling part (34) and the outer contour shape of each paper binding sharp tooth (33).
3. The shredder with improved shredding blade as claimed in claim 2, wherein: the surface of the rolling part (34) is lower than the surface of the plane part, the surface of the reinforced knife wall (37) is flush with the surface of the plane part, the density of the reinforced knife wall (37) is greater than that of the rolling part (34), and the density of the rolling part (34) is greater than that of the blade base body (31).
4. The shredder with improved shredding blade as claimed in claim 2, wherein: the distance between the outer contour shape of the rolling part (34) and the outer contour shape of the paper binding sharp teeth (33) is set to be 0.5-1 mm.
5. The shredder with improved shredding blade as claimed in claim 2, wherein: the paper binding sharp teeth (33) are obliquely arranged towards the front side, a front cutter wall (38) is formed on the front side wall body of the paper binding sharp teeth (33), a rear cutter wall (39) is formed on the rear side wall body of the paper binding sharp teeth (33), the length of the rear cutter wall (39) is greater than that of the front cutter wall (38), and the length of the pressing part (34) along the direction of the rear cutter wall (39) on one side of the rear cutter wall (39) is greater than that of the pressing part (34) along the direction of the front cutter wall (38) on one side of the front cutter wall (38).
6. The shredder with improved shredding blade according to claim 5, characterized in that: the paper binding sharp teeth (33) are arranged in a protruding mode relative to the annular cutting edge (35) along the radial direction, the first end of the annular cutting edge (35) located between every two adjacent paper binding sharp teeth (33) is integrally connected to the middle of the rear cutter wall (39) of the paper binding sharp tooth (33) on the corresponding side, and the second end of the annular cutting edge is integrally connected to the middle of the front cutter wall (38) of the paper binding sharp tooth (33) on the corresponding side.
7. A shredder with improved shredding blade according to any one of claims 1 to 6, characterized in that: the outer edge of the side face of the blade base body (31) is provided with an outer cutting edge, the annular cutting edge (35) is located on the inner side of the outer cutting edge, and the annular cutting edge (35) is arranged in a protruding mode relative to the outer cutting edge along the radial direction.
8. The shredder with improved shredding blade according to claim 7, characterized in that: the outer edge of the annular cutting edge (35) protrudes 1-5mm relative to the outer cutting edge.
9. The shredder with improved shredding blade according to claim 7, characterized in that: the paper shredding mechanism is characterized in that a positioning hole (301) is integrally formed in the inner side face of one paper shredding blade (3) of the paper shredding blade group, a positioning column (302) inserted into the corresponding positioning hole (301) is integrally formed in the inner side face of the other paper shredding blade (3), and a plurality of positioning grooves (303) arranged at intervals are formed in the hole edge of the mounting hole (32) of each paper shredding blade (3).
10. The shredder with improved shredding blade according to claim 7, characterized in that: the top surface of the shredder head (1) is provided with a paper inlet (12), and an inner paper scrap collecting barrel is movably arranged in the inner cavity of the outer barrel (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023250979.8U CN214515062U (en) | 2020-12-29 | 2020-12-29 | Paper shredder with improved shredding blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023250979.8U CN214515062U (en) | 2020-12-29 | 2020-12-29 | Paper shredder with improved shredding blade |
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| Publication Number | Publication Date |
|---|---|
| CN214515062U true CN214515062U (en) | 2021-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023250979.8U Active CN214515062U (en) | 2020-12-29 | 2020-12-29 | Paper shredder with improved shredding blade |
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| CN (1) | CN214515062U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD958877S1 (en) * | 2021-09-20 | 2022-07-26 | Dongguan Suntech Electronics Co., Ltd. | Paper shredder |
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2020
- 2020-12-29 CN CN202023250979.8U patent/CN214515062U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD958877S1 (en) * | 2021-09-20 | 2022-07-26 | Dongguan Suntech Electronics Co., Ltd. | Paper shredder |
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Address after: 523000 No. 11, lunpinyong Industrial Zone Road, Houjie Town, Dongguan City, Guangdong Province Patentee after: Guangdong bangze Chuangke Electric Appliance Co.,Ltd. Address before: No. 11-12, lunpinyong Industrial Zone, Santun community, Houjie Town, Dongguan City, Guangdong Province Patentee before: Dongguan Bangze Electronics Co.,Ltd. |