CN209885941U - Sawtooth type stretching hole flanging cutting blade assembly and double-cutting blade assembly - Google Patents
Sawtooth type stretching hole flanging cutting blade assembly and double-cutting blade assembly Download PDFInfo
- Publication number
- CN209885941U CN209885941U CN201920150624.XU CN201920150624U CN209885941U CN 209885941 U CN209885941 U CN 209885941U CN 201920150624 U CN201920150624 U CN 201920150624U CN 209885941 U CN209885941 U CN 209885941U
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- blade
- hole flanging
- arbor
- blade assembly
- double
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- Expired - Fee Related
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- 238000010030 laminating Methods 0.000 claims abstract description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
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Abstract
The utility model relates to a tensile hole flanging cutter blade subassembly of zigzag and double-cutting blade subassembly, install the epaxial blade of arbor including arbor and in sequence arrangement, the blade central part has the shaft hole coaxial with the arbor, and the blade is along shaft hole axial side one side for plane portion, and the another side then is equipped with the hole flanging portion that extends to side, and the setting is hugged closely in proper order with hole flanging portion direction unanimously to the plane portion of two adjacent blades, has evenly seted up a plurality of serration recesses on the outer periphery of blade, the tensile hole flanging double-cutting blade subassembly of zigzag includes arbor and blade group, and the blade group includes the blade that two inseparable laminatings set up, and the blade adopts the above-mentioned outer circumference to have the blade of serration recess, and the setting is hugged closely to. The sawtooth type stretching hole flanging cutter blade assembly and the double-cutter blade assembly are not easy to slip when paper is shredded through a specially designed sawtooth type blade structure, 2-3 pieces of paper can be shredded under the same condition, and the paper shredding effect is more ideal.
Description
The technical field is as follows:
the utility model relates to a kneader technical field especially relates to a tensile hole flanging of zigzag cutter piece subassembly and the tensile hole flanging double blade subassembly that cuts of zigzag for kneader.
Background art:
the paper shredder consists of a group of rotating blades, a paper comb and a driving motor. The paper is fed from the middle of the mutually meshed blades and is divided into a plurality of small paper sheets so as to achieve the purpose of confidentiality.
However, the outer circumferential surface of the existing shredder blade in the market is generally arc-shaped, and like a stretching hole-flanging cutter blade assembly of patent No. CN206519225U previously applied by the present company, the structure is easy to slip in the actual shredding process, and the specifications of the shredded paper are not uniform, so the shredding effect is not ideal.
The utility model has the following contents:
an object of the utility model is to solve the defect among the prior art, provide a tensile hole flanging of zigzag and cut blade subassembly and the tensile hole flanging of zigzag pair of cutting blade subassembly of simple structure, during shredded paper difficult slipping, the shredded paper effect is more ideal.
The utility model discloses a realize through following technical scheme: the utility model provides a tensile hole flanging of zigzag cutter piece subassembly, installs inside the kneader, includes the arbor and installs the epaxial blade of arbor according to the sequence, the blade central part has the shaft hole coaxial with the arbor, and the blade is along shaft hole axial side one side be plane portion, and the another side then is equipped with the hole flanging portion that extends to side, and every blade outer fringe circumference evenly distributed has two at least sword point portions, and the plane portion of two adjacent blades is unanimous with hole flanging portion direction and hugs closely the setting in proper order, a plurality of zigzag groove have evenly been seted up on the outer periphery of blade.
Preferably, the saw-toothed groove is a circular arc groove. Of course, similar structures such as V-shaped grooves and trapezoidal grooves can be adopted, but multiple experiments show that the paper shredding effect of the circular arc-shaped grooves is more ideal.
In addition, in order to avoid the circular arc-shaped groove to influence the paper shredding effect of the blade tip portion, a horizontal section is arranged on one side of the outer circumferential surface of the blade, which is close to the cutting edge of the blade tip portion.
In order to facilitate processing, the blade and the hole flanging part are of an integrated punch forming structure.
The thickness of the blade tip part is preferably 1.5mm-2.5 mm.
In a preferred embodiment of the present invention, the hole flanging part is annular; in another preferred embodiment of the present invention, the hole flanging portion may also include a plurality of protruding strips, each protruding strip being located on the same circumference. The hole flanging parts of the two structures can be isolated.
The utility model also provides a tensile hole flanging double-cutting blade subassembly of zigzag, install the blade group at the arbor including arbor and in sequence arrangement, the blade group includes the blade that two inseparable laminatings set up, the blade adopts the above-mentioned outer circumference to have the blade of serration recess, and the plane portion of the blade in every blade group of group hugs closely the setting, and the knife point portion inclined plane of the blade in every blade group of group sets up relatively, and the setting is hugged closely to the hole flanging portion of adjacent two sets of blade groups.
The utility model has the advantages that: the sawtooth type stretching hole flanging cutter blade assembly and the sawtooth type stretching hole flanging double-cutter blade assembly are not easy to slip when paper is shredded through a specially designed sawtooth type blade structure, 2-3 pieces of paper can be shredded under the same condition, and the paper shredding effect is more ideal.
Description of the drawings:
fig. 1 is a schematic structural view of a preferred embodiment of a serrated stretch hole flanging cutter blade assembly according to the present invention;
FIG. 2 is a schematic structural view of a blade of the serrated stretch hole flanging and cutting blade assembly of the present invention;
FIG. 3 is a schematic structural view of a sawtooth type stretching and hole flanging double-cutting blade assembly of the present invention;
in the figure: 1. the cutter comprises a cutter shaft, 2 cutter blades, 3 flanging hole parts, 4 cutter tip parts, 5 saw-toothed grooves, 6 horizontal sections and 7 shaft holes.
The specific implementation mode is as follows:
the following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the protection scope of the present invention can be clearly and clearly defined. In the present invention, directional terms such as "up", "down", "front", "back", "left", "right", "top", "bottom", etc. refer to directions of the attached drawings only. Accordingly, the directional terms used are used for describing and understanding the present invention, and are not used for limiting the present invention.
As shown in fig. 1, a zigzag type stretching hole flanging cutter blade assembly is installed inside a paper shredder and comprises a cutter shaft 1 and blades 2 arranged on the cutter shaft 1 in sequence, wherein a shaft hole coaxial with the cutter shaft 1 is formed in the center of each blade 2, one surface of each blade 2 along the axial side surface of the shaft hole is a planar surface, a hole flanging part 3 extending towards the side is arranged on the other surface of each blade 2, at least two blade tip parts are uniformly distributed on the periphery of the outer edge of each blade 2, and the planar surfaces of two adjacent blades 2 and the hole flanging part 3 are in the same direction and are sequentially attached to each other.
As shown in fig. 2, the central portion of the blade 2 is provided with a shaft hole 7 coaxial with the cutter shaft 1, one side of the blade 2 along the circumferential side of the shaft hole 7 is a plane portion, the other side is provided with a hole flanging portion 3 extending to the side, three blade tip portions 4 are uniformly distributed on the outer edge of each blade 2 in the circumferential direction, the outer circumferential surface of the blade 2 is uniformly provided with a plurality of saw-toothed grooves 5, each saw-toothed groove 5 is an arc-shaped groove similar to a wave shape, one side of the outer circumferential surface of the blade 2 close to the cutting edge of the blade tip portion is provided with a horizontal section 6, that is, three sections of the outer circumferential surface of the blade 2 are not completely saw-toothed.
The blade 2 and the hole flanging part 3 are of an integral structure formed by punching Q195 steel, and the surface hardness is HRB 80-HRB 95 degrees. The thickness of the cutter tip part 4 is 1.5-2.5mm, and the maximum diameter of the outer edge of the cutter tip part 4 is 100 mm. The blade 2 is manufactured by adopting Q195 steel through continuous punch forming, so that the hardness is met, and the cost of raw materials can be effectively reduced.
The utility model discloses in flanging part 3 is ring shape, also can be with flanging part 3 design for the sectional type sand grip, and on each sand grip was in same circumference, flanging part 3 of two kinds of structures all can realize keeping apart.
As shown in fig. 3 the utility model discloses another embodiment, different from the above-mentioned scheme, adopt the double blade to constitute blade group structure, install the blade group on arbor 1 including arbor 1 and in proper order arrangement, the blade group includes two blades 2 that closely laminate the setting, blade 2 adopts above-mentioned outer circumference to have the blade 2 of serration recess 5, and the plane portion of blade 2 in every blade group of group hugs closely the setting, and the knife point portion inclined plane of blade 2 in every blade group of group sets up relatively, and the setting is hugged closely to hole flanging portion 3 of adjacent two sets of blade groups.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (8)
1. The utility model provides a tensile hole flanging of zigzag cutter piece subassembly, installs inside the kneader, includes the arbor and installs the epaxial blade of arbor according to the sequence, the blade central part has the shaft hole coaxial with the arbor, and the blade is along shaft hole axial side one side for plane portion, and the another side then is equipped with the hole flanging portion that extends to side, and every blade outer fringe circumference evenly distributed has two at least sword point portions, and the plane portion of two adjacent blades is unanimous with hole flanging portion direction and hugs closely the setting in proper order, its characterized in that: and a plurality of saw-toothed grooves are uniformly formed in the outer circumferential surface of the blade.
2. The serrated stretch burring blade assembly of claim 1, wherein: the sawtooth-shaped groove is an arc-shaped groove.
3. The serrated stretch burring blade assembly of claim 1, wherein: and a horizontal section is arranged on one side of the outer circumferential surface of the blade, which is close to the cutting edge of the blade tip part.
4. The serrated stretch burring blade assembly of claim 1, wherein: the blade and the hole flanging part are of an integrated punch forming structure.
5. The serrated stretch burring blade assembly of claim 1, wherein: the thickness of the knife tip part is 1.5mm-2.5 mm.
6. The serrated stretch burring blade assembly of claim 1, wherein: the hole flanging part is in a ring shape.
7. The serrated stretch burring blade assembly of claim 1, wherein: the hole flanging part comprises a plurality of sections of raised strips, and each raised strip is positioned on the same circumference.
8. The utility model provides a tensile hole flanging double-cutting blade subassembly of zigzag, includes the arbor and installs the blade group on the arbor in proper order arrangement, the blade group includes the blade that two inseparable laminatings set up, its characterized in that: the blade is the blade as claimed in any one of claims 1-7, and the plane parts of the blades in each blade group are arranged closely, the blade tip parts of the blades in each blade group are arranged oppositely, and the hole flanging parts of two adjacent blade groups are arranged closely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920150624.XU CN209885941U (en) | 2019-01-28 | 2019-01-28 | Sawtooth type stretching hole flanging cutting blade assembly and double-cutting blade assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920150624.XU CN209885941U (en) | 2019-01-28 | 2019-01-28 | Sawtooth type stretching hole flanging cutting blade assembly and double-cutting blade assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209885941U true CN209885941U (en) | 2020-01-03 |
Family
ID=68996400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920150624.XU Expired - Fee Related CN209885941U (en) | 2019-01-28 | 2019-01-28 | Sawtooth type stretching hole flanging cutting blade assembly and double-cutting blade assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209885941U (en) |
-
2019
- 2019-01-28 CN CN201920150624.XU patent/CN209885941U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200103 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |