CN203124579U - Paper shredding cutter and machining device thereof - Google Patents
Paper shredding cutter and machining device thereof Download PDFInfo
- Publication number
- CN203124579U CN203124579U CN 201320101466 CN201320101466U CN203124579U CN 203124579 U CN203124579 U CN 203124579U CN 201320101466 CN201320101466 CN 201320101466 CN 201320101466 U CN201320101466 U CN 201320101466U CN 203124579 U CN203124579 U CN 203124579U
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- riveting
- cutter shaft
- blade
- paper shredding
- spacer ring
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Abstract
The utility model discloses a paper shredding cutter and a machining device thereof. A spiral groove is arranged on a cutter shaft of the paper shredding cutter, a protruding block is arranged on a blade or a blade retainer, and the protruding block is firmly fixed in the spiral groove in a riveting machining mode, so that good using degree and firmness of a paper shredding movement can be achieved. The machining device suitable for a machining method is designed, a set of riveting module is specially designed, preferably, the riveting module comprises two semicircular rings, and protruding riveting points are arranged on the inner lateral surface of each semicircular ring, so that assembling of the riveting module, riveting conducting and dismantling of the riveting module are facilitated, and fixing technique of the blade on the cutter shaft is greatly improved.
Description
Technical field
The utility model relates to the shredder field, is specifically related to cutter for paper grinder, particularly a kind of paper shredding cutters and process equipment thereof.
Background technology
Shredder is that office at present and family classified papers commonly used are destroyed machine.Shredder mainly is to utilize in groups that string is solid to be arranged in parallel and the blade for shredding paper on the cutter shaft in relative rotation at two, when two cutter shafts rotate simultaneously, extruding waste paper, thereby utilize the blade for shredding paper on the cutter shaft that waste paper is cut into thin paper slip or particle, so the improvement of the quality of paper shredding cutters (being made up of cutter shaft and blade for shredding paper) and preparation method seem particularly important.
Present cutter for paper grinder and processing technology thereof are divided into following three classes usually:
1, blade spacer ring fixed form: this cutter is made up of cutter shaft, blade, jump ring and blade spacer ring, and wherein, blade is fixed on the cutter shaft by adjacent blade spacer ring, fixes at the least significant end employing jump ring of cutter shaft.The advantage of this cutter processing is: technology is simple, and is easy to operate.But its shortcoming is: in shredded paper, because the blade spacer ring is plastics, shredded paper easily causes paper wrapping when two ends, the blade spacer ring at two ends is extruded and produces fracture, thereby the kneader knife core is damaged.
2, whole processing mode with the CNC moulding: adopt the bar of entity, be processed into all-in-one-piece one cutter by turning, the advantage of this cutter processing is: overall structure has reliable intensity.But its shortcoming is: (1) processing turning process requires very high, and cutting output is big, and production capacity is low; (2) batch process needs large quantities of machining equipments, and the acceptance rate of product is low, and recoverability is little; (3) because the restriction of processing technology (tolerance clearance is not up to standard) and cutter core hardness is with high costs, can't produce in batches.
3, adopt the mach cutter core of rolled thread: adopt the cutter shaft to be processed between the rolling tool blade to carry out roll extrusion or extruding, make the cutter shaft between the adjacent knife blades form projection to the position of pressing close to blade, the advantage of this mode is: the technology that can reach whole cutter; But its shortcoming is: this technology is bigger to machine adaptation because of it, and the reform technology difficulty, to having applied bigger restriction.
To this, Chinese patent 200520047182.4 discloses a kind of " cutter for paper grinder structure ", comprise that bilateral symmetry has cylindrical cutter shaft and the corresponding cutters of groove, this cutter encircles in the same way within it, and symmetric arrangement has bumping square, by fixing of realization blade and cutter shaft in the groove that this projection is installed in cutter shaft, thereby saved the blade spacer ring.But there is following problem in this patent: (1) directly adopts the mode with projection and groove assembling, is difficult to make cutter and cutter shaft to closely cooperate, difficult firmness and the intensity that reaches use; (2) zigzag shape of point of a knife was arranged after the cutter shaft of former blade spacer ring fixed form and blade employing hexagonal structure was realized assembling and finished, and the above-mentioned improved cylindrical cutter shaft that has groove can relatively be required great effort when the zigzag shape of realizing point of a knife is arranged.
The utility model content
The utility model provides a kind of paper shredding cutters and process equipment thereof, to solve the mode that directly adopts in the prior art projection and groove assembling, be difficult to make cutter and cutter shaft to closely cooperate, difficult firmness and the intensity that reaches use, and the difficult defective that realizes the zigzag shape arrangement of point of a knife.
The technical solution of the utility model is as follows:
A kind of process equipment of paper shredding cutters, it comprises:
Riveting device, it is made up of the riveting module corresponding with the blade for shredding paper of shredder or blade spacer ring quantity, each riveting module comprises the first riveting sheet and the second riveting sheet, form a cavity ring in the middle of the described first riveting sheet and the described second riveting sheet combination back, described cavity ring can be enclosed within on described cutter shaft or the described blade spacer ring, and the medial surface of the described first riveting sheet and the second riveting sheet is provided with the riveting pressure point of protrusion;
Device for exerting comprises exert pressure drive unit and pressure exerting arrangement, and described pressure exerting arrangement can be exerted pressure to all riveting modules simultaneously, thereby is exerted pressure to its below in the riveting pressure point of the described first riveting sheet and the second riveting sheet.
Preferably, the riveting pressure point on the medial surface of the described first riveting sheet and the second riveting sheet is for being symmetrical arranged.Such setting is based on the helicla flute that arranges on the cutter shaft that needs riveting for being symmetrical arranged.It is stressed even, not fragile when operation to be symmetrical arranged the cutter core assembly that can make shredder.
Preferably, the described first riveting sheet is two identical semicircle ring plates with the second riveting sheet.The first riveting sheet is set to identical shape with the second riveting sheet, is convenient to its processing and manufacturing, and uses convenient, quick.
A kind of paper shredding cutters, comprise cutter shaft and supporting set of blades with it, described cutter shaft surface has at least two helicla flutes, corresponding described helicla flute is provided with the positioning bar of protrusion on the endoporus circumference of each blade in the described set of blades, and described each positioning bar includes one and highly exceeds described blade body plane and can be fitted into described spiral fluted protuberance, described protuberance can be assemblied in the described helicla flute, and is firmly secured to after by riveting in the described helicla flute.
Preferably, the helicla flute that arranges on the described cutter shaft is for being symmetrical arranged, and described cutter shaft is cylindrical cutter shaft, which is provided with the helicla flute of two symmetries, and the endoporus of described blade is circular hole, which is provided with the positioning bar of two symmetries.In addition, in other embodiments of the present utility model, can also arrange more than two symmetrically arranged cutter shaft helicla flutes and blade positioning bar.And it only is cylindrical that the shape of the utility model cutter shaft also is not limited to, and can be any shape that can implement, and the shape of the endoporus of the shape of blade endoporus and riveting module all matches with the shape of cutter shaft.
Preferably, described paper shredding cutters does not comprise the blade spacer ring, and the height that the protuberance of the positioning bar of described blade exceeds described blade body plane equates with the thickness of a blade spacer ring.This set can well guarantee to make this protuberance to replace the blade spacer ring, thereby has saved this part of blade spacer ring, has saved cost.
A kind of paper shredding cutters, comprise cutter shaft and set of blades and the blade spacer ring supporting with it, described cutter shaft is that the surface has at least two spiral fluted cutter shafts, the positioning bar of the protrusion on the medial surface of described blade spacer ring in the corresponding helicla flute that is provided with the described cutter shaft of to pack into, described positioning bar can be assemblied in the described helicla flute, and is firmly secured in the described helicla flute after described blade spacer ring is by riveting.
Preferably, the helicla flute on described cutter shaft surface is for being symmetrical arranged.It is stressed even, not fragile when operation to be symmetrical arranged the cutter core assembly that can make shredder.
Preferably, described cutter shaft is cylindrical cutter shaft, which is provided with the helicla flute of two symmetries, and the endoporus of described blade spacer ring is circular hole, which is provided with the positioning bar of two symmetries.In addition, in other embodiments of the present utility model, can also arrange more than two symmetrically arranged cutter shaft helicla flutes and blade positioning bar.And it only is cylindrical that the shape of the utility model cutter shaft also is not limited to, and can be any shape that can implement, and the shape of the endoporus of the shape of blade endoporus and riveting module all matches with the shape of cutter shaft.
Preferably, the positioning bar of described blade spacer ring protrudes to the lateral surface of described blade spacer ring simultaneously.The be more convenient for positioning bar of the first riveting sheet of riveting module and the second riveting sheet application of force and blade spacer ring of such structure setting is stressed.
Compared with prior art, the beneficial effects of the utility model are as follows:
The one, paper shredding cutter processing equipment design of the present utility model is ingenious, processing method is simple, and the especially setting of riveting module makes the riveting of the projection of blade or blade spacer ring be easy to implement, and little to the change of existing machinery equipment, apply easily;
The 2nd, paper shredding cutters of the present utility model fixedly secures in the groove of ability cutter shaft by the projection of riveting with blade or blade spacer ring, thereby reaches good usage degree and firmness.
Certainly, implement arbitrary product of the present utility model and might not need to reach simultaneously above-described all advantages.
Description of drawings
Fig. 1 is the structural representation of the paper shredding cutters of the utility model embodiment 1;
Fig. 2 is the cutter shaft structure schematic diagram of the utility model embodiment 1 and embodiment 2;
Fig. 3 is the preceding structural representation of blade riveting of the utility model embodiment 1;
Fig. 4 is the paper shredding cutters assembling schematic diagram of the utility model embodiment 1;
Fig. 5 is the structural representation of the riveting module of the utility model embodiment 1 and embodiment 2;
Fig. 6 is fitted into the riveting module for the utility model embodiment 1 view of paper shredding cutters;
Fig. 7 is the form schematic diagram in the cutter shaft helicla flute behind the blade protuberance riveting of paper shredding cutters of the utility model embodiment 1;
Fig. 8 is the blade of the utility model embodiment 1 structural representation after by riveting;
Fig. 9 is the structural representation of the paper shredding cutters of the utility model embodiment 2;
Figure 10 is the structural representation of blade spacer ring of the paper shredding cutters of the utility model embodiment 2.
The specific embodiment
The utility model discloses a kind of paper shredding cutters and process equipment thereof, this paper shredding cutters arranges helicla flute at cutter shaft, at blade or blade spacer ring projection is set, by the riveting processing mode projection is fixedly secured in helicla flute, and designed a kind of process equipment that is applicable to this kind processing method, particularly designed a cover riveting module, and preferably, this riveting module is set to two semicircular ring, the medial surface of each semicircular ring is provided with the riveting pressure point of protrusion, be convenient to assembling, implement riveting and dismounting, improved the technique for fixing of blade on cutter shaft greatly.
The below is further described the utility model in conjunction with specific embodiments.In following examples, same or analogous label is represented same or analogous element.
Referring to Fig. 1, a kind of paper shredding cutters that present embodiment provides comprises cutter shaft 1 and supporting set of blades 2 with it; Set of blades 2 comprises the blade 21 of some, and all blades 21 all are arranged on the cutter shaft 1 according to a definite sequence, and referring to Fig. 2, cutter shaft 1 is cylindrical, and its surface has two symmetrical helicla flutes (a visible side helicla flute is 11); Referring to Fig. 3, two helicla flutes of corresponding cutter shaft 1 are provided with the positioning bar of two protrusions on the endoporus circumference of each blade 21 in the set of blades 2, note does 211,212 respectively, and each positioning bar includes one and highly exceeds the blade body plane and can be fitted into protuberance in the helicla flute of cutter shaft 1, note is A, B respectively, those protuberances can the formula of lying low be assemblied in the helicla flute of cutter shaft 1, and are being firmly secured in it through behind the riveting.Preferably in the present embodiment, this paper shredding cutters does not arrange the blade spacer ring, and the height that the protuberance A of each blade 21, B ultrasonic go out the blade body plane equals to use usually the thickness of blade spacer ring, to substitute former blade spacer ring.
The processing method of above-mentioned paper shredding cutters comprises the steps:
(1) provides aforesaid cutter shaft and set of blades;
(2) assembling: with all blades 21 of above-mentioned kneader bar group 2 cutter shaft 1 of packing in order, and protuberance (a visible side the is A) formula of lying low of the positioning bar of each blade 21 is arranged in the cutter shaft 1 corresponding helicla flute (a visible side is 11); The blade that assembles and the state of cutter shaft are referring to Fig. 4;
(3) provide a riveting device, this riveting device comprises several riveting modules adaptive with cutter shaft 1, referring to Fig. 5, each riveting module comprises the first riveting sheet and the second riveting sheet, in the present embodiment, the preferred first riveting sheet is two identical semicircle ring plates with the second riveting sheet, note does 41,42 respectively, these two semicircle ring plates are formed a full circle ring, this full circle ring can be enclosed within on the cutter shaft 1, and each semicircle ring plate protuberance 211,212 of encircling corresponding blade 21 on the circumference within it is provided with the riveting pressure point 411,421 of protrusion;
(4) above-mentioned blade 21 is all put between any two a cover riveting module, referring to Fig. 6, adopt a device for exerting that all riveting modules are exerted pressure together along Fig. 5 and direction shown in Figure 6, preferred compression point be each semicircle ring plate 41 and 42 riveting pressure point 411,421 directly over outer circumference surface, thereby the protuberance (a visible side is A) that makes each blade 21 all is out of shape by riveting and fixedly secures in the corresponding helicla flute (a visible side is 11) at cutter shaft 1, referring to Fig. 7, make all blades 21 fixing with respect to cutter shaft 1.Wherein blade 21 is by behind the riveting, its positioning bar 211,212 and on the shape of protuberance A, B referring to Fig. 8, the protuberance A of visible blade 21 and B by riveting after shape variation has taken place, it is big that its radial dimension becomes, thereby be stuck in securely in the helicla flute of cutter shaft 1.
In the present embodiment, cutter shaft 1 has the helicla flute of two symmetries, in addition, in other embodiment of the present utility model, spiral fluted quantity also can be more than two on the cutter shaft, positioning bar and the protuberance of corresponding helicla flute number are set on the blade simultaneously, but for the utility model, the present embodiment set-up mode is optimal way.
Present embodiment is by arranging helicla flute at cutter shaft, easily realized the helix alignment thereof of blade point of a knife, and it is usually used for be set to the corresponding polygon that hole shape in hexagon cutter shaft and the blade is set to the hexagon of cutter shaft is rotated twice formation by cutter shaft before, adjusting by blade endoporus and cutter shaft angle of assembling realizes that the helix of blade point of a knife aligns, and processing technology and process are all obviously complicated; In addition, present embodiment is also by carrying out riveting to the protuberance that is assemblied in the blade in the cutter shaft helicla flute, in the helicla flute that make this protuberance it is tightr, be securely fixed in cutter shaft, realized fixedly securing of blade and cutter shaft; Prior, present embodiment is also designed a kind of device of very easily implementing the riveting process, especially one overlaps the riveting module, by the semicircle ring plate that has the riveting pressure point of protrusion on the ring circumference in two and can be assembled into a full circle is set, easily realized the riveting module assembling, riveting power apply with riveting after the dismounting of riveting module, this riveting mode than before the mode of screw-rolling machine processing cutter core save time, laborsaving, and easier enforcement.
Embodiment 2
Referring to Fig. 9, a kind of paper shredding cutters that present embodiment provides, comprise cutter shaft 1 and set of blades 2 and the blade spacer ring 3 supporting with it, cutter shaft 1 has the cylindrical cutter shaft of two symmetrical helicla flutes (a visible side helicla flute is 11) for the surface, referring to Fig. 2, all blade endoporus of set of blades 2 are circular, the endoporus of all blade spacer rings 3 also is circular, the positioning bar of two protrusions on the endoporus circumference of blade spacer ring 3 in the corresponding helicla flute that is provided with the cutter shaft of to pack into, note does 31 respectively, 32, preferably, these two outstanding positioning bars also protrude to the excircle of blade spacer ring 3 simultaneously, referring to Figure 10, positioning bar 31,32 can be assemblied in the corresponding helicla flute of cutter shaft 1, and are firmly secured to behind riveting in the corresponding helicla flute of cutter shaft 1.
The processing method of above-mentioned paper shredding cutters comprises the steps:
(1) provides the blade spacer ring 3 of above-mentioned knife pivot of paper crusher 1, set of blades 2 and respective numbers;
(2) assembling: with above-mentioned kneader bar group 2 and blade spacer ring 3 cutter shaft 1 of packing into, and the positioning bar 31,32 of blade spacer ring 3 is placed in the cutter shaft 1 corresponding helicla flute;
(3) provide a riveting device, this riveting device comprises several riveting modules corresponding with the blade spacer ring 3 of set of blades 2, each riveting module comprises the first riveting sheet and the second riveting sheet, the preferred first riveting sheet and the second riveting sheet are two semicircle ring plates herein, note does 41,42 respectively, referring to Fig. 5, these two semicircle ring plates can be formed a full circle ring, this full circle ring can be enclosed within on the blade spacer ring 3, and each semicircle ring plate is encircled the positioning bar 31 of corresponding blade spacer ring 3 on the circumference, the riveting pressure point 411,421 that 32 places are provided with protrusion within it;
(4) a cover riveting module will all be put on the outer circumference of above-mentioned blade spacer ring 3, referring to Fig. 6, adopt a device for exerting that all riveting modules are exerted pressure simultaneously, outer circumference surface directly over the riveting pressure point of each semicircle ring plate that preferred compression point is the riveting module, thereby the positioning bar 31,32 that makes all blade spacer rings 3 all is out of shape by riveting and fixedly secures in the corresponding helicla flute of cutter shaft 1, makes set of blades 2 fixing with respect to cutter shaft 1.
In the present embodiment, cutter shaft 1 has the helicla flute of two symmetries, in addition, in other embodiment of the present utility model, helicla flute on the cutter shaft also can be more than two, positioning bar and the protuberance of corresponding helicla flute number are set on the blade simultaneously, but for the utility model, the present embodiment set-up mode is optimal way.
More than disclosed the utility model preferred embodiment just be used for helping to set forth the utility model.Preferred embodiment does not have all details of detailed descriptionthe, does not limit this utility model yet and only is the described specific embodiment.Obviously, according to the content of this specification, can make many modifications and variations.These embodiment are chosen and specifically described to this specification, is in order to explain principle of the present utility model and practical application better, thereby the technical field technical staff can understand and utilize the utility model well under making.The utility model only is subjected to the restriction of claims and four corner and equivalent.
Claims (11)
1. the process equipment of a paper shredding cutters is characterized in that, it comprises:
Riveting device, it is made up of the riveting module corresponding with the blade for shredding paper of shredder or blade spacer ring quantity, each riveting module comprises the first riveting sheet and the second riveting sheet, form a cavity ring in the middle of the described first riveting sheet and the described second riveting sheet combination back, described cavity ring can be enclosed within on described cutter shaft or the described blade spacer ring, and the medial surface of the described first riveting sheet and the second riveting sheet is provided with the riveting pressure point of protrusion;
Device for exerting comprises exert pressure drive unit and pressure exerting arrangement, and described pressure exerting arrangement can be exerted pressure to all riveting modules simultaneously, thereby is exerted pressure to its below in the riveting pressure point of the described first riveting sheet and the second riveting sheet.
2. the process equipment of paper shredding cutters as claimed in claim 1 is characterized in that, the riveting pressure point on the medial surface of the described first riveting sheet and the second riveting sheet is for being symmetrical arranged.
3. the process equipment of paper shredding cutters as claimed in claim 1 is characterized in that, the described first riveting sheet is two identical semicircle ring plates with the second riveting sheet.
4. paper shredding cutters, comprise cutter shaft and supporting set of blades with it, it is characterized in that, described cutter shaft surface has at least two helicla flutes, corresponding described helicla flute is provided with the positioning bar of protrusion on the endoporus circumference of each blade in the described set of blades, and described each positioning bar includes one and highly exceeds described blade body plane and can be fitted into described spiral fluted protuberance, and described protuberance can be assemblied in the described helicla flute, and is firmly secured to after by riveting in the described helicla flute.
5. paper shredding cutters as claimed in claim 4 is characterized in that, the helicla flute on described cutter shaft surface is for being symmetrical arranged.
6. as claim 4 or 5 described paper shredding cutters, it is characterized in that described cutter shaft is cylindrical cutter shaft, the endoporus of described blade is circular hole.
7. paper shredding cutters as claimed in claim 4 is characterized in that, described paper shredding cutters does not comprise the blade spacer ring, and the height that the protuberance of the positioning bar of described blade exceeds described blade body plane equates with the thickness of a blade spacer ring.
8. paper shredding cutters, comprise cutter shaft and set of blades and the blade spacer ring supporting with it, it is characterized in that, described cutter shaft is that the surface has at least two spiral fluted cutter shafts, the positioning bar of the protrusion on the medial surface of described blade spacer ring in the corresponding helicla flute that is provided with the described cutter shaft of to pack into, described positioning bar can be assemblied in the described helicla flute, and is firmly secured in the described helicla flute after described blade spacer ring is by riveting.
9. paper shredding cutters as claimed in claim 8 is characterized in that, the helicla flute on described cutter shaft surface is for being symmetrical arranged.
10. paper shredding cutters as claimed in claim 8 or 9 is characterized in that described cutter shaft is cylindrical cutter shaft, and the endoporus of described blade spacer ring is circular hole.
11. paper shredding cutters as claimed in claim 8 is characterized in that, the positioning bar of described blade spacer ring protrudes to the lateral surface of described blade spacer ring simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320101466 CN203124579U (en) | 2013-03-06 | 2013-03-06 | Paper shredding cutter and machining device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320101466 CN203124579U (en) | 2013-03-06 | 2013-03-06 | Paper shredding cutter and machining device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203124579U true CN203124579U (en) | 2013-08-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320101466 Withdrawn - After Issue CN203124579U (en) | 2013-03-06 | 2013-03-06 | Paper shredding cutter and machining device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203124579U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104028653A (en) * | 2013-03-06 | 2014-09-10 | 上海震旦办公设备有限公司 | Paper shredding cutting tool and machining device and method thereof |
| CN104841763A (en) * | 2015-05-29 | 2015-08-19 | 东莞市微然机电科技有限公司 | Paper shredder blade set production method |
| CN105772182A (en) * | 2016-05-20 | 2016-07-20 | 徐罗斌 | Space-ring-free overall knife assembly used for chipper and chipper with assembly |
-
2013
- 2013-03-06 CN CN 201320101466 patent/CN203124579U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104028653A (en) * | 2013-03-06 | 2014-09-10 | 上海震旦办公设备有限公司 | Paper shredding cutting tool and machining device and method thereof |
| CN104028653B (en) * | 2013-03-06 | 2016-08-24 | 上海震旦办公设备有限公司 | Paper shredding cutters and process equipment thereof and processing method |
| CN104841763A (en) * | 2015-05-29 | 2015-08-19 | 东莞市微然机电科技有限公司 | Paper shredder blade set production method |
| CN105772182A (en) * | 2016-05-20 | 2016-07-20 | 徐罗斌 | Space-ring-free overall knife assembly used for chipper and chipper with assembly |
| CN105772182B (en) * | 2016-05-20 | 2018-02-27 | 常州川刃办公设备有限公司 | A kind of flaker of flaker cageless overall knife assembly and the application component |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130814 Effective date of abandoning: 20160824 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |