CN101658813B - Paper shredder - Google Patents
Paper shredder Download PDFInfo
- Publication number
- CN101658813B CN101658813B CN2009101713518A CN200910171351A CN101658813B CN 101658813 B CN101658813 B CN 101658813B CN 2009101713518 A CN2009101713518 A CN 2009101713518A CN 200910171351 A CN200910171351 A CN 200910171351A CN 101658813 B CN101658813 B CN 101658813B
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- Prior art keywords
- gear
- paper
- motor
- cutter
- shredder
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000123 paper Substances 0.000 claims description 49
- 239000011087 paperboard Substances 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 10
- 230000002441 reversible effect Effects 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011176 pooling Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
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- Crushing And Pulverization Processes (AREA)
Abstract
The invention discloses a paper shredder. The paper shredder comprises two cutter shafts, an inlet opening, a motor, a control device and a current converter, wherein the two cutter shafts are arranged in parallel, each cutter shaft is sheathed with a cutter blade group, and cutter blades on the two groups of cutter blades are crosswise arranged along the direction of the cutter shafts; the inlet opening is erected above the space between the two cutter shafts, and paper to be shredded is put into from the inlet opening; the motor is in shaft connection with the cutter shafts so as to drive the cutter shafts to rotate; the control device comprises sensors which are arranged on the cutter shafts to sense the status of paper processing between the two cutter shafts; and the current converter controls the alternation of the current direction of the motor. The paper shredder adopts the motor for driving the cutter shafts to rotate, thereby driving the cutter blades to rotate to achieve the purpose of shredding the paper; and the paper shredder is simultaneously provided with the control device, the occurrence of paper jam can be indicated when the sensors sense the load of paper shredding in a paper shredding process, the control device can control the motor to stop the positive rotation, files to be shredded are discharged, and the current direction of the motor is regulated at real time so as to cause the motor to rotate reversely, thereby achieving the function of paper shredding by realizing the repeated positive and reverse operations.
Description
Technical field
The present invention relates to a kind of office equipment, particularly relate to the shredder of the automatic rotating shredded paper of a kind of ability.
Background technology
In today of the fast development of knowledge, people's confidential notions are more and more stronger, and are corresponding to various discarded paper spare technologic materials, adopt just to work as rubbish after the pulverization process and throw away.So present various shredder is utilized in office widely.
Existing shredder in use owing to reasons such as paper type, paper qualities, tends to occur the phenomenon of paperboard, and if paperboard thoroughly removing in time then influences the operate as normal of shredder even causes parts damages.When paper jam phenomenon occurring at present, general way is directly the paper that blocks to be taken out, and reduces the paper number then, puts into shredder and handles.This way relatively wastes time and energy, and needs personnel to wait for aside in the shredded paper process, and one side of the paper that does not go to sticks and staves of process shredder processing caused handling inconvenience owing to being extruded.
Existing shredder generally is to adopt a kind of rotating speed to come shredded paper, and when blade was run into thicker paper, if paper is not gone to sticks and staves at once, rotation of blade was easy to be damaged, and causes the shredder damage, needs to change parts.
Though existing Chinese patent CN101204677A discloses the shredder with repeating crash function, this shredder is to adopt the shredded paper method to limit, and is not concrete open to concrete shredder structure; And the CN2436226Y utility model patent: the improvement structure of hand shredder, employing be one group of relatively blade shaft of running, through the hand shredded paper purpose that reaches, but when shredded paper thickness occurring more greatly can't shredded paper the time, this shredder can't operate as normal.
Summary of the invention
Be directed to this, the objective of the invention is to, provide a kind of can be through the positive and negative shredder that reaches the shredded paper function that transfers repeatedly, when in the shredded paper process, taking place rapidly paper to be gone to sticks and staves, positive and negative repeatedly immediately the transferring of shredder reaches the shredded paper function.
For solving the problems of the technologies described above, technical scheme provided by the invention is: a kind of shredder includes:
Two cutter shafts laterally arrange, and are arranged with set of blades on each cutter shaft, and the blade on two set of blades is along arranged in a crossed manner on the cutter axis orientation;
The input port, be erected between two cutter shafts directly over, treat that broken paper puts into from the input port;
Motor is connected with the cutter shaft axle, drives the cutter shaft rotation;
Control device includes
Sensor is located on the cutter shaft, responds to the paper function situation between two cutter shafts;
Current converter, the conversion of the sense of current of control motor;
This shredder also includes has the gear train that postpones structure, and said gear train is connected between motor and the cutter shaft;
Said gear train is made up of two gears: first gear that is connected with motor gear and second gear that is connected with knife shaft gear; The wheel hub surface of said first gear is provided with arc groove, on the wheel hub surface of second gear, is provided with the arc convex corresponding with arc groove; Said arc convex volume is less than arc groove;
Said control device is controlled motor and is carried out rotating repeatedly always when paperboard, pulverize the paper that blocks; Just changeing the shredded paper state Deng returning to behind the jam cleaning.
Preferably, said input port is provided with two.
Preferably, the dead in line of said first gear and second gear.
Preferably, the diameter of said first gear is greater than the diameter of second gear.
Preferably, this shredder also includes reduction gearing, and this reduction gearing is connected between motor and the gear train.
Compared with prior art, the present invention adopts the rotation of motor transmission cutter shaft, thereby drives the purpose that blade rotation reaches shredded paper; Be provided with control device simultaneously, in the shredded paper process, sense the shredded paper load, mean that paper jam phenomenon occurring takes place when sensor sensing; Control device can make motor stop just to change, and withdraws from and treats broken file, turns the sense of current of motor immediately; Make the motor counter-rotating, realize that positive and negative repeatedly operation reaches the shredded paper function.
Shredder of the present invention also provides one group of gear structure with pooling feature; Like this when shredded paper process generation rotating is switched; Not rotation immediately of driven gear when driving gear rotates; But idle running for a moment, when the arc convex of the deep-slotted chip breaker of driving gear and driven gear bumps together, begins rotation under the drive of driven gear at driving gear, and driven gear drives cutter shaft and the blade rotation begins shredded paper.So just avoided the easy appearance when paperboard of existing shredder can not just change and non-reversible phenomenon.
Description of drawings
Fig. 1 is the side schematic view of shredder of the present invention;
Fig. 2 is the upward view of Fig. 1;
Fig. 3 is the structural representation of cutter shaft and gear train;
Fig. 4 is the delay structural representation of gear train.
The specific embodiment
Describe the present invention below in conjunction with accompanying drawing, the description of this part only is exemplary and explanatory, should any restriction not arranged to protection scope of the present invention.
Like Fig. 1, a kind of shredder shown in 2 and 3, include:
Two cutter shafts laterally arrange, and are arranged with set of blades on each cutter shaft, and the blade on two set of blades is along arranged in a crossed manner on the cutter axis orientation;
The input port, be erected between two cutter shafts directly over, treat that broken paper puts into from the input port;
Motor is connected with the cutter shaft axle, drives the cutter shaft rotation;
Control device includes
Sensor is located on the cutter shaft, responds to the paper function situation between two cutter shafts;
Current converter, the conversion of the sense of current of control motor.
Be provided with automatic control program in this control device, when shredder carries out operation, when inductor is sensed the paperboard load, the timely sense of current that changes motor of current converter meeting, the counter-rotating of control motor, the mode that realization rotating intersection is carried out reaches the shredded paper purpose.
This shredder is provided with two input ports, and manually input port and automatic input port increase the convenience of using, and in the shredded paper process, can add paper at any time.
The course of work of shredder of the present invention is following: as shown in Figure 1; When dropping into paper by manual input port 7, sensor sensing is transferred to motor 1 to paper with signal, and motor 1 begins rotation; Drive reduction gearing 3 by motor 1; Drive cutter shafts 6 rotations by intermediate drive gear 4 again, staggered blade 5 is arranged on the cutter shaft 6, rotation of blade 5 is pulverized paper like this.
When the paper that drops into surpasses the maximum shredded paper number of machine too much; Motor shuts down under the situation of overload; The both positive and negative polarity of electric current that at this moment can be through routine change input motor, motor be at the both positive and negative polarity electric current repeatedly under the situation of staggered input, motor 1 rotating repeatedly; Drive reduction gearing 3, the also positive and negative repeatedly rotation of intermediate drive gear 4 like this; It is not direct connection that motor 1 passes on dynamic processes for blade 5, but through the delay structure on the intermediate drive gear 4, and motor 1 begins to move directly rotation of blade 5; Convey to blade 5 to torsion through the intermediate drive gear 4 that has appended the delay structure when speed rises to a certain degree with moment of torsion after motor 1 rotation several times, blade 5 rotating repeatedly goes to sticks and staves the paper that blocks.
When 8 the same when dropping into paper from automatic input port.What have the delay structure is the one group of gear that is assemblied on the same axle, and promptly intermediate drive gear 4, are made up of with second gear 42 that is connected with knife shaft gear first gear 41 that is connected with motor gear; First gear, 41 sunk deep-slotted chip breakers 411 wherein; Second gear 42 has the convexity 421 of arc, and arc convex 421 embeds in the deep-slotted chip breaker 411, and is as shown in Figure 4; The dead in line of first gear 41 and second gear 42, and the diameter of first gear 41 is greater than the diameter of second gear 42.Not rotation immediately of second gear 42 when 41 rotations of first gear; But idle running for a moment; When the arc convex 421 of the deep-slotted chip breaker 411 of first gear 41 and second gear 42 bumps together; Second gear 42 begins rotation under the drive of first gear 41, second gear 42 drives cutter shaft 6 and blade 5 rotation beginning shredded papers.
1 in motor is auto-reverse when paperboard takes place stops after once, then the rotating button manual operation machine through machine repeatedly rotating the paper that blocks is gone to sticks and staves.
Also control device can be set, make it under jam condition, to control motor always repeatedly rotating reach the purpose of removing paperboard, wait to return to behind the jam cleaning and just change the shredded paper state.
It below only is preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; Can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.
Claims (5)
1. shredder, it is characterized in that: this shredder includes:
Two cutter shafts laterally arrange, and are arranged with set of blades on each cutter shaft, and the blade on two set of blades is along arranged in a crossed manner on the cutter axis orientation;
The input port, be erected between two cutter shafts directly over, treat that broken paper puts into from the input port;
Motor is connected with the cutter shaft axle, drives the cutter shaft rotation;
Control device includes
Sensor is located on the cutter shaft, responds to the paper function situation between two cutter shafts;
Current converter, the conversion of the sense of current of control motor;
This shredder also includes has the gear train that postpones structure, and said gear train is connected between motor and the cutter shaft;
Said gear train is made up of two gears: first gear that is connected with motor gear and second gear that is connected with knife shaft gear; The wheel hub surface of said first gear is provided with arc groove, on the wheel hub surface of second gear, is provided with the arc convex corresponding with arc groove; Said arc convex volume is less than arc groove;
Said control device is controlled motor and is carried out rotating repeatedly always when paperboard, pulverize the paper that blocks; Just changeing the shredded paper state Deng returning to behind the jam cleaning.
2. shredder according to claim 1 is characterized in that: said input port is provided with two.
3. shredder according to claim 1 is characterized in that: the dead in line of said first gear and second gear.
4. according to claim 1 or 3 described shredders, it is characterized in that: the diameter of said first gear is greater than the diameter of second gear.
5. shredder according to claim 2 is characterized in that: this shredder also includes reduction gearing, and this reduction gearing is connected between motor and the gear train.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101713518A CN101658813B (en) | 2009-08-27 | 2009-08-27 | Paper shredder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101713518A CN101658813B (en) | 2009-08-27 | 2009-08-27 | Paper shredder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101658813A CN101658813A (en) | 2010-03-03 |
| CN101658813B true CN101658813B (en) | 2012-02-08 |
Family
ID=41787188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101713518A Expired - Fee Related CN101658813B (en) | 2009-08-27 | 2009-08-27 | Paper shredder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101658813B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110282461A (en) * | 2019-08-02 | 2019-09-27 | 吉林电力股份有限公司四平第一热电公司 | Meterage in weighting feeder gives coal motor-driven assistor |
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2009
- 2009-08-27 CN CN2009101713518A patent/CN101658813B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101658813A (en) | 2010-03-03 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120208 |