CN215743905U - Paper shredder capable of improving strength of paper shredding cutter bar - Google Patents
Paper shredder capable of improving strength of paper shredding cutter bar Download PDFInfo
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- CN215743905U CN215743905U CN202023250774.XU CN202023250774U CN215743905U CN 215743905 U CN215743905 U CN 215743905U CN 202023250774 U CN202023250774 U CN 202023250774U CN 215743905 U CN215743905 U CN 215743905U
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Abstract
The utility model discloses a paper shredder for improving the strength of paper shredding knife bars, wherein a plurality of paper guide comb pieces fixedly arranged on a paper shredding machine core are respectively arranged on the outer side of each paper shredding knife bar, the inner side of each paper guide comb piece is respectively inserted into a gap between two adjacent paper shredding knife blade groups on the corresponding paper shredding knife bar, at least one positioning support groove is respectively arranged at the middle position of the outer side of each paper guide comb piece, a swing-proof positioning support rod is fixed on the paper shredding machine core, the positioning support grooves of the paper guide comb pieces are respectively clamped on the swing-proof positioning support rods, the swing-proof positioning support rods are abutted against and fix the paper guide comb pieces, the paper shredding knife bars are prevented from being bent and deformed towards any direction in the paper shredding process, the structural strength and the running stability of the paper shredding knife bars and the paper shredding machine core are improved, the working current of a paper shredding motor is stable, the phenomenon that the temperature of the motor is increased too fast is avoided, the shearing force is larger during paper shredding, and the paper shredding capacity with higher strength is achieved, the breaking rate is high, and the working time of the paper shredder in high-strength continuous paper breaking is longer.
Description
Technical Field
The utility model relates to the technical field of paper shredders, in particular to a paper shredder capable of improving the strength of a shredding knife rod.
Background
The paper shredder is used for shredding documents and other articles, two paper shredding cutter bars are rotatably mounted on a paper shredding machine core of the paper shredder, a plurality of cutter blade groups are arranged at intervals on each paper shredding cutter bar in a string mode, generally the cutter blade groups are formed by two paper shredding cutter blades which are abutted against and matched with each other back to back, due to the fact that the length of each paper shredding cutter bar is large, a reaction force is generated on the cutter bars by the documents when the documents are shredded, the paper shredding cutter bars are deformed and moved towards the outer side by the reaction force, the paper shredding cutter blades on the paper shredding cutter bars can move outwards along with the paper shredding cutter bars, the paper shredding cutter blades cannot completely cut off the paper, the paper shredding rate is greatly reduced, meanwhile, the deformed paper shredding cutter bars can increase resistance of the paper, and faults such as motor overload or paper jam can occur, and therefore improvement is needed.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a paper shredder for improving the strength of a paper shredding cutter bar, which avoids the bending deformation of the paper shredding cutter bar towards any direction and prolongs the working time of high-strength continuous paper shredding of the paper shredder.
In order to achieve the purpose, the utility model adopts the technical scheme that: a paper shredder for improving the strength of a paper shredding knife bar comprises a paper shredding machine head and an outer barrel body arranged below the paper shredding machine head, wherein a paper scrap storage barrel is arranged in the outer barrel body, a paper shredding machine core is arranged in the paper shredding machine head, a paper shredding motor, a paper shredding transmission mechanism and at least two paper shredding knife bars matched with paper shredding are rotatably arranged on the paper shredding machine core, the paper shredding motor is in transmission connection with the paper shredding transmission mechanism, the paper shredding transmission mechanism is in transmission connection with the paper shredding knife bars, each paper shredding knife bar is provided with a plurality of paper shredding knife blade groups at intervals in series, two adjacent paper shredding knife blade groups are arranged at intervals, the outer side of each paper shredding knife bar is respectively provided with a plurality of paper guide comb blades fixedly arranged on the paper shredding machine core, the inner side of each paper guide comb blade is respectively inserted into a gap between two adjacent paper shredding knife blade groups on the corresponding paper shredding knife bar, and the middle position of the outer side of each paper guide comb blade is respectively provided with at least one positioning support groove, the paper shredder core is fixed with a swing-proof positioning support rod, the positioning support grooves of the paper guide comb pieces are respectively clamped on the swing-proof positioning support rod, and the swing-proof positioning support rod abuts against and fixes the paper guide comb pieces.
Furthermore, the paper shredder core is provided with a left side mounting plate and a right side mounting plate and a plurality of core fixing rods, the left end and the right end of each core fixing rod are respectively fixed on the left side mounting plate and the right side mounting plate, and the left end and the right end of each anti-swing positioning support rod are respectively fixed on the left side mounting plate and the right side mounting plate.
Furthermore, the anti-swing positioning support rod is a hollow metal rod with a square cross section, the cross section of the positioning support groove is square, the outer side of the positioning support groove is opened to form a plug-in mounting inlet, and the anti-swing positioning support rod is in interference fit with the positioning support groove.
Furthermore, in the height direction, the central position of the paper shredding knife bar and the central position of the anti-swing positioning support rod are arranged at the same height position.
Furthermore, the left side and the right side are fixedly provided with a plurality of comb sheet fixing rods used for fixing the paper guide comb sheets, mounting holes are respectively formed in the upper part and the lower part of the outer side of each paper guide comb sheet, each comb sheet fixing rod is sequentially inserted into the mounting holes in the same side of each paper guide comb sheet on the same side of the paper shredding knife rod, and the center of the anti-swing positioning support rod is arranged on the outer side of the comb sheet fixing rod on the outermost side in the horizontal direction.
Furthermore, the inner side of each paper guide comb piece is provided with an arc-shaped abutting surface matched with the surface shape of the paper shredding knife bar, the arc-shaped abutting surface abuts against the paper shredding knife bar, the paper guide comb piece is made of thin sheet metal pieces, and the paper guide comb piece is in clearance fit with the adjacent paper shredding knife blade set.
Furthermore, the side mounting plates are provided with insertion openings, the left side and the right side of the anti-swing positioning support rod are respectively and fixedly inserted into the insertion openings of the corresponding side mounting plates, and the left end portion and the right end portion of the anti-swing positioning support rod are respectively and fixedly welded to the corresponding side mounting plates.
Furthermore, each shredded paper blade group comprises two circular shredded paper blades, a plurality of sharp teeth for cutting paper are arranged at intervals on the periphery of each shredded paper blade, and one shredded paper blade group consists of two shredded paper blades which are mutually abutted against each other back to back and are arranged in an aligned mode, and the corresponding sharp teeth are arranged in an aligned mode.
Furthermore, the outer side of each paper shredding knife rod is respectively provided with an upper anti-swing positioning support rod, a middle anti-swing positioning support rod and a lower anti-swing positioning support rod at intervals.
Furthermore, a paper inlet is formed in the top surface of the paper shredding machine head and arranged above the paper shredding cutter rods, the paper inlet is vertically aligned with the joint of the two paper shredding cutter rods, and a paper feeding channel is formed between the paper inlet and the paper shredding cutter rods.
After adopting the structure, compared with the prior art, the utility model has the advantages that: the paper guide comb piece is directly abutted against the paper shredding knife bar to provide a lateral supporting force for the paper shredding knife bar, and the anti-swing positioning support rod is abutted against and supports the paper guide comb piece to offset the reaction force acting on the paper shredding knife bar during paper shredding, wherein the reaction force comprises an action force in any direction in a vertical plane perpendicular to the axis of the paper shredding knife bar, so that the paper shredding knife bar is prevented from bending and deforming towards any direction in the paper shredding process, the structural strength and the running stability of the paper shredding knife bar and a paper shredding machine core are improved, the excessive resistance caused by the torsional deformation during the rotation of the paper shredding knife bar is avoided, the paper shredding motor is prevented from being overloaded and from being blocked, the working current of the paper shredding motor is stabilized, the motor is prevented from being heated too fast, the paper shredding capacity with higher strength is provided, the breakage rate is high, and the working time of the paper shredder in high-strength continuous paper shredding is longer.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic diagram of the shredder of the present invention.
Figure 2 is a schematic view of the structure of a shredder mechanism mounted in a shredder head.
Fig. 3 is a schematic view of the internal structure of the shredder mechanism.
The labels in the figure are:
1 paper shredder head 11 paper inlet.
2, an outer barrel body.
3 the movement 30 of the paper shredder dead lever 31 the paper shredding motor 32 the paper shredding transmission mechanism 33 the paper shredding bar 34 the paper shredding blade group 35 leads the paper comb 36 and positions the supporting slot 37 and defends swinging and positions the supporting lever 38 side mounting plate 39 movement dead lever.
Detailed Description
The utility model provides a promote kneader of shredded paper sword stick intensity, it is shown in fig. 1 to 3, including shredded paper aircraft nose 1 and install the outer staving 2 in the below of shredded paper aircraft nose 1, be provided with the wastepaper containing bucket in the outer staving 2, be provided with shredded paper core 3 in the shredded paper aircraft nose 1, shredded paper core 3 swivelling joint has shredded paper motor 31, shredded paper drive mechanism 32 and at least two shredded paper sword sticks 33 that cooperate the shredded paper, shredded paper drive mechanism 32 is connected in the transmission of shredded paper motor 31, shredded paper drive mechanism 32 chooses for use and organizes or the gear drive reducing gear box by the drive gear that a plurality of drive gears constitute. The shredded paper drive mechanism 32 is in transmission connection with the shredded paper cutter bars 33, each shredded paper cutter bar 33 is provided with a plurality of shredded paper cutter blade groups 34 at intervals, two adjacent shredded paper cutter blade groups 34 are arranged at intervals, each shredded paper cutter blade group 34 comprises two circular shredded paper cutter blades, the periphery of each shredded paper cutter blade is provided with a plurality of sharp teeth for cutting paper, and one shredded paper cutter blade group 34 is composed of two shredded paper cutter blades which are mutually abutted against each other back to back and are matched with each other and the corresponding sharp teeth are aligned. The top surface of the shredder head 1 is provided with a paper inlet 11, the paper inlet 11 is arranged above the shredding knife bar 33, the paper inlet 11 is vertically aligned with the joint of the two shredding knife bars 33, and a paper feeding channel is formed between the paper inlet 11 and the shredding knife bars 33.
Specifically, a plurality of paper guide comb plates 35 fixedly arranged on the shredder mechanism 3 are respectively arranged at the outer side of each paper shredding knife bar 33, the inner side of each paper guide comb plate 35 is respectively inserted into a gap between two adjacent paper shredding knife groups 34 on the corresponding paper shredding knife bar 33, the middle position of the outer side of each paper guide comb piece 35 is respectively provided with at least one positioning support groove 36, the paper shredder core 3 is fixed with an anti-swing positioning support rod 37, the positioning support grooves 36 of the paper guide comb pieces 35 are respectively clamped on the anti-swing positioning support rods 37, the anti-swing positioning support rods 37 abut against and fix the paper guide comb pieces 35, the inner side of each paper guide comb piece 35 is provided with an arc abutting surface matched with the surface shape of the paper shredding knife bar 33, the arc abutting surface abuts against the paper shredding knife bar 33, the paper guide comb pieces 35 are thin sheet metal pieces, and the paper guide comb pieces 35 are in clearance fit with the adjacent paper shredding knife piece groups 34.
The shredder core 3 is provided with a left and a right side mounting plates 38 and a plurality of core fixing rods 39, the left and the right ends of each core fixing rod 39 are respectively fixed on the left and the right side mounting plates 38, and the left and the right ends of each anti-swing positioning support rod 37 are respectively fixed on the left and the right side mounting plates 38. The anti-swing positioning support rod 37 is a hollow metal rod with a square cross section, the cross section of the positioning support groove 36 is square, the outer side of the positioning support groove 36 is opened to form an insertion inlet, the anti-swing positioning support rod 37 is in interference fit with the positioning support groove 36, the anti-swing positioning support rod 37 is forcibly pressed into the positioning support groove 36 in the assembling process to more firmly position and support each paper guide comb piece 35, and the central position of the paper shredding knife bar 33 and the central position of the anti-swing positioning support rod 37 are arranged at the same height position in the height direction. To eliminate or minimize the displacements in the transverse and longitudinal directions that can occur in the guide combs 35 during high paper shredding loads, in particular in the case of overloads. Preferably, three upper, middle and lower anti-swing positioning support rods 37 are respectively arranged at intervals on the outer side of each shredder bar 33.
The side mounting plates 38 are provided with insertion openings, the left side and the right side of the anti-swing positioning support rod 37 are respectively inserted and fixed in the insertion openings of the corresponding side mounting plates 38, and the left end and the right end of the anti-swing positioning support rod 37 are respectively welded and fixed in the corresponding side mounting plates 38, so that the structural strength of the shredder mechanism 3 is increased, the structural strength of the anti-swing positioning support rod 37 is increased, and a support structure with stable structure and larger support force is provided for the paper guide comb 35.
A plurality of comb fixing rods 30 for fixing the paper guide comb 35 are fixedly arranged between the left side mounting plate and the right side mounting plate 38, mounting holes are respectively formed in the upper part and the lower part of the outer side of each paper guide comb 35, each comb fixing rod 30 sequentially penetrates through the mounting holes in the same side of each paper guide comb 35 on the same side of the paper shredding knife bar 33, and the central position of the anti-swing positioning support rod 37 is arranged on the outer side of the comb fixing rod 30 on the outermost side in the horizontal direction so as to eliminate or reduce the displacement in the vertical direction possibly generated by each paper guide comb 35 in the paper shredding high-load paper shredding process, particularly under the overload condition.
The utility model utilizes the paper guide comb plate 35 to directly support against the paper shredding knife bar 33 to provide a lateral supporting force for the paper shredding knife bar 33, meanwhile, the anti-swing positioning support rod 37 abuts against and supports the paper guide comb piece 35 to offset the reaction force acting on the paper shredding cutter bar 33 during paper shredding, the reaction force comprises the action force in any direction in the vertical plane perpendicular to the axis of the paper shredding cutter bar 33, the paper shredding cutter bar 33 is prevented from bending and deforming towards any direction during paper shredding, the structural strength and the running stability of the paper shredding cutter bar 33 and the paper shredding machine core 3 are improved, excessive resistance caused by distortion and deformation during rotation of the paper shredding cutter bar 33 is avoided, overload of the paper shredding motor 31 is avoided, paper blockage is avoided, the working current of the paper shredding motor 31 is stabilized, too fast temperature rise of the motor is avoided, the paper shredding capacity with higher strength is achieved, the paper shredding rate is high, and the working time of the paper shredder during high-strength continuous paper shredding is longer.
In an optional embodiment, each paper shredding knife bar 33 is provided with a plurality of spacing rings in series, a spacing ring is arranged between any two adjacent paper shredding knife blade groups 34, the left side and the right side of each spacing ring respectively abut against the side surface of the corresponding side of the corresponding paper shredding knife blade group 34 on the corresponding side, and the arc abutting top surface of each paper guide comb piece 35 movably abuts against the outer circumferential surface of the spacing ring.
The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.
Claims (10)
1. The utility model provides a promote kneader of shredded paper sword stick intensity, include shredded paper aircraft nose (1) and install outer staving (2) in the below of shredded paper aircraft nose (1), be provided with the wastepaper containing bucket in outer staving (2), be provided with shredded paper core (3) in shredded paper aircraft nose (1), shredded paper motor (31) is installed in shredded paper core (3) rotation, shredded paper sword stick (33) of shredded paper drive mechanism (32) and two at least cooperation shredded paper, shredded paper drive mechanism (32) is connected in shredded paper motor (31) transmission, shredded paper sword stick (33) is connected in shredded paper drive mechanism (32) transmission, every shredded paper sword stick (33) equal interval cluster is equipped with a plurality of shredded paper knife blade group (34), two adjacent shredded paper knife blade group (34) interval sets up, its characterized in that: the outer side of each paper shredding knife bar (33) is respectively provided with a plurality of paper guiding comb pieces (35) fixedly installed on the paper shredding machine core (3), the inner side of each paper guiding comb piece (35) is respectively inserted into a gap between two adjacent paper shredding knife blade groups (34) on the corresponding paper shredding knife bar (33), the middle position of the outer side of each paper guiding comb piece (35) is respectively provided with at least one positioning support groove (36), the paper shredding machine core (3) is fixed with a swing-preventing positioning support rod (37), the positioning support grooves (36) of the paper guiding comb pieces (35) are respectively clamped on the swing-preventing positioning support rods (37), and the swing-preventing positioning support rods (37) abut against and fix the paper guiding comb pieces (35).
2. A shredder according to claim 1, wherein the shredder comprises: the paper shredder core (3) is provided with a left side mounting plate, a right side mounting plate (38) and a plurality of core fixing rods (39), the left end and the right end of each core fixing rod (39) are respectively fixed on the left side mounting plate and the right side mounting plate (38), and the left end and the right end of each anti-swing positioning support rod (37) are respectively fixed on the left side mounting plate and the right side mounting plate (38).
3. A shredder according to claim 2, wherein the shredder comprises: the anti-swing positioning support rod (37) is a hollow metal rod with a square cross section, the cross section of the positioning support groove (36) is square, the outer side of the positioning support groove (36) is opened to form an insertion inlet, and the anti-swing positioning support rod (37) is in interference fit with the positioning support groove (36).
4. A shredder according to claim 2, wherein the shredder comprises: in the height direction, the central position of the paper shredding knife bar (33) and the central position of the anti-swing positioning support rod (37) are arranged at the same height position.
5. A shredder according to claim 2, wherein the shredder comprises: control two fixed mounting has a plurality ofly to be used for fixing between side-mounting board (38) comb piece dead lever (30) of leading paper comb piece (35), and the mounting hole has been seted up respectively to the upper portion and the lower part in the outside of each paper comb piece (35) of leading, and each comb piece dead lever (30) alternates in order and lies in shredded paper knife stick (33) each leads the mounting hole with one side of paper comb piece (35) with one side, in the horizontal direction, the central point of preventing pendulum location bracing piece (37) puts the outside that sets up at the comb piece dead lever (30) in the outside.
6. A shredder according to claim 2, wherein the shredder comprises: the inner side of each paper guide comb piece (35) is provided with an arc-shaped abutting surface matched with the surface shape of the paper shredding knife bar (33), the arc-shaped abutting surface abuts against the paper shredding knife bar (33), the paper guide comb piece (35) is made of thin sheet metal pieces, and the paper guide comb piece (35) is in clearance fit with the adjacent paper shredding knife blade group (34).
7. A shredder according to claim 2, wherein the shredder comprises: the side mounting plates (38) are provided with insertion openings, the left side and the right side of the anti-swing positioning support rod (37) are respectively and fixedly inserted into the insertion openings of the corresponding side mounting plates (38), and the left end part and the right end part of the anti-swing positioning support rod (37) are respectively and fixedly welded to the corresponding side mounting plates (38).
8. A shredder according to any one of claims 1 to 7, wherein the shredder comprises a shredder body having a blade bar and a cutter bar, the cutter bar being configured to: each paper shredding blade group (34) comprises two circular paper shredding blades, a plurality of sharp teeth for cutting paper are arranged at intervals on the periphery of each paper shredding blade, and one paper shredding blade group (34) is composed of two paper shredding blades which are in back-to-back abutting fit with each other and corresponding sharp teeth are arranged in an aligned mode.
9. The shredder of claim 8, wherein the shredder comprises: the outer side of each paper shredding knife bar (33) is respectively provided with an upper, a middle and a lower three anti-swing positioning support rods (37) at intervals.
10. The shredder of claim 8, wherein the shredder comprises: a paper inlet (11) is formed in the top surface of the paper shredding machine head (1), the paper inlet (11) is arranged above the paper shredding cutter rods (33), the paper inlet (11) is vertically aligned with the connecting position of the two paper shredding cutter rods (33), and a paper feeding channel is formed between the paper inlet (11) and the paper shredding cutter rods (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023250774.XU CN215743905U (en) | 2020-12-29 | 2020-12-29 | Paper shredder capable of improving strength of paper shredding cutter bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023250774.XU CN215743905U (en) | 2020-12-29 | 2020-12-29 | Paper shredder capable of improving strength of paper shredding cutter bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215743905U true CN215743905U (en) | 2022-02-08 |
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ID=80070962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023250774.XU Active CN215743905U (en) | 2020-12-29 | 2020-12-29 | Paper shredder capable of improving strength of paper shredding cutter bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215743905U (en) |
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2020
- 2020-12-29 CN CN202023250774.XU patent/CN215743905U/en active Active
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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. |