CN102049339A

CN102049339A - Rotary portable paper shredder

Info

Publication number: CN102049339A
Application number: CN 201010623575
Authority: CN
Inventors: 李艳; 张肖; 黄海洋
Original assignee: Beijing Institute of Graphic Communication
Current assignee: Beijing Institute of Graphic Communication
Priority date: 2010-12-30
Filing date: 2010-12-30
Publication date: 2011-05-11
Anticipated expiration: 2030-12-30
Also published as: CN102049339B

Abstract

The invention relates to a rotary portable paper shredder, belonging to the field of office supplies, and aiming at achieving high speed, high efficiency and portability, wherein, a paper pulverization device comprising four saw blade groups (2) which can inwards retract or outwards expand synchronously when being driven by power is installed inside an outer housing (10) of a box body; saw blades (4) in every adjacent saw blade groups (2) are staggered mutually in an embedded manner; the saw blades (4) are arranged on saw blade racks (5); a fjrst motor (9) drives a gear (8) so as to drive the two saw blade groups (2) which are arranged relatively through a gear rack (7); the rotary portable paper shredder also comprises a paper gripper comprising a paper clamping case (15), wherein, a second motor (14) drives the paper clamping case (15) to rotate; and paper (1) clamped in the paper clamping case (15) through a locking piece (17) is pulverized by the saw blades (4) encircling and approaching in real time when rotating at a high speed along with the paper clamping case (15). The rotary portable paper shredder has the advantages as follows: the speed for paper pulverization is high, the efficiency is high, the noise is low, and a power supply can be both alternating current and direct current; the paper shredder is convenient to use, and can achieve stable property and portability; and in addition, the paper shredder can also be used as a paper safe, and data can be destroyed rapidly under emergency conditions, so that good safety and secrecy can be achieved.

Description

Portable rotary shredder

Technical field

The invention belongs to the office appliance field, relate to a kind of portable rotary shredder.

Background technology

Shredder of the prior art mainly is paper is pulverized to grinding by a pair of hobboing cutter, crush efficiency is low, can only pulverize less paper at every turn, and length consuming time, can't destroy heap file at short notice, and noise is big, and limited by power supply, the general 220V civil power that only is suitable for is not suitable for carrying.

Summary of the invention

The technical problem that solves:

A kind of portable rotary shredder is provided, clamped paper spare fixing and that be in the rotation is polished, drawn and scrape its pulverizing with hacksaw blade, can overcome the deficiencies in the prior art, the efficient height, portable band, simple in structure, stable performance, noise is little, and the power supply AC/DC can not only be used for shredded paper, and can make paper spare safety box, in emergency circumstances, can destroy the material of depositing rapidly, have good security and confidentiality.

The technical scheme that adopts:

Portable rotary shredder comprises cabinet shell, paper shredder and the circuit control system of with cover and side door, and it is characterized in that: paper shredder is made up of paper grinder and supporting paper clamper;

The structure of paper grinder is, four saw blade groups that structure is identical surround a four-prism, in each saw blade sawtooth side direction in each saw blade group, be parallel to each other, equidistantly and horizontal, and be being contained on the corresponding saw blade-holder of the detachable property in single rectilinear two ends from the top down, the mutual regularly inserting type of saw blade in each two adjacent saw blade group is staggered in together simultaneously, the structure that mutual inserting type is staggered in together must guarantee, four saw blade groups all can be under the effect of this mechanism of power drive, under the drive of corresponding saw blade-holder, synchronism is inwardly shunk or is expanded outwardly; The structure of described power-driven mechanism is, in two saw blade groups that are oppositely arranged, on a homonymy of two relative saw blade-holders, guide rail is housed, on another homonymy of two relative saw blade-holders, respectively adorn one with the supporting tooth bar of gear, and there is first motor driven gear to rotate, thereby drive two relative saw blade-holders respectively by two toothed rack, and then drive two saw blade group synchronisms being oppositely arranged and inwardly shrink or expand outwardly; The suspension type of detachable property is equipped with the small box of upper shed in the cabinet shell of with cover and side door, the whole hanging type of saw blade group is contained in the small box, the two ends of two guide rails all are contained on the small box, two first motors are contained on the inwall of cabinet shell, and the wall that the rotating shaft horizontal of first motor is passed small box is equipped with gear afterwards; The sawtooth of each saw blade towards all must with the switched in opposite of holding paper box; Perhaps do not have small box, the two ends of two guide rails all directly are contained on the wall of cabinet shell;

The structure of paper clamper is, the paper clamper be positioned at the paper grinder under, has holding paper box with the rotation of second motor-driven, on the rotating disk that the vertical rotation axis that is contained in second motor of the detachable property of this box drives, have on the wall of this box and be oppositely arranged the locking member that is used to clamp paper spare, this box be positioned at a four-prism that four saw blade groups surround under, the top of the base plate of small box, the maximum effectively wide S of rib that horizontally rotates diameter D and described four-prism of this box is complementary, and clamped paper spare can fully be pulverized by saw blade in this box; Second motor is contained on the base plate of cabinet shell, the rectilinear base plate that passes small box of its rotating shaft.

Beneficial effect:

Portable rotary shredder, the paper spare that part is clamped in the holding paper box owing to be locked is being pulverized around the saw blade that is approaching in the rotation at a high speed in real time with the holding paper box, therefore, shredded paper speed is fast, efficient is high, effective, can pulverize a large amount of paper spares fast, and noise is little, and the power supply AC/DC is easy to use; Complete machine structure is simple, stable performance, be easy to carry, and can not only be used for shredded paper, and can make paper spare safety box, and emergency needs, and can destroy the material of depositing rapidly, has good security and confidentiality.

Description of drawings

Fig. 1, complete machine stereogram;

Fig. 2, when pressing the top board of the no cabinet shell 10 shown in Fig. 1 A to schematic top plan view;

Fig. 3, press the A-A cutaway view shown in Fig. 2;

The termination of Fig. 4, saw blade 4 is contained in the structural representation on the saw blade-holder 5;

Fig. 5, circuit control system structure principle chart;

The specific embodiment

Further explanation in detail in conjunction with the accompanying drawings;

Shown in Fig. 1～3, the structure of paper grinder is, four saw blade groups 2 that structure is identical surround a four-prism 3, in each saw blade 4 sawtooth side direction in each saw blade group 2, be parallel to each other, equidistantly and horizontal, and be being contained on the corresponding saw blade-holder 5 of the detachable property in single rectilinear two ends from the top down, the mutual regularly inserting type of saw blade 4 in each two adjacent saw blade group 2 is staggered in together simultaneously, the structure that mutual inserting type is staggered in together must guarantee, four saw blade groups 2 all can be under the effect of power-driven mechanism, under the drive of corresponding saw blade-holder 5, synchronism is inwardly shunk or is expanded outwardly; The structure of described power-driven mechanism is, in two saw blade groups 2 that are oppositely arranged, on a homonymy of two relative saw blade-holders 5, guide rail 6 is housed, on another homonymy of two relative saw blade-holders 5, respectively adorn one with the supporting tooth bar 7 of gear 8, and there are first motor, 9 driven gears 8 to rotate, thereby drive two relative saw blade-holders 5 respectively by two toothed rack 7, and then drive two saw blade group 2 synchronisms being oppositely arranged and inwardly shrink or expand outwardly; With cover 11 and the cabinet shell 10 of side door 12 in the suspension type of detachable property the small box 13 of upper shed is housed, saw blade group 2 whole hanging types are contained in the small box 13, the two ends of two guide rails 6 all are contained on the small box 13, two first motors 9 all are contained on the inwall of cabinet shell 10, and the wall that the rotating shaft horizontal of first motor 9 is passed small box 13 is equipped with gear 8 afterwards; The sawtooth of each saw blade 4 towards all must with the switched in opposite of holding paper box 15; Perhaps being provided with 13, two guide rails 6 of small box all directly is contained on the wall of cabinet shell 10; As shown in Figure 2, arrow shows that holding paper box 15 is rotated counterclockwise, and the tooth of saw blade 4 is towards being clockwise direction; For two saw blade groups 2 that are oppositely arranged, synchronism is inwardly shunk or when expanding outwardly, one homonymy passive type of two saw blade-holders 5 that it is relative is according to corresponding guide rail 6 slip displacements, and another homonymy of two saw blade-holders 5 that it is relative is active respectively under the drive of gear 8 to drive displacement by each corresponding tooth bar 7.

Shown in Fig. 1～3, the structure of paper clamper is, the paper clamper be positioned at the paper grinder under, has the holding paper box 15 that drives rotation with second motor 14, on the rotating disk 16 that the vertical rotation axis that is contained in second motor 14 of the detachable property of this box drives, have on the wall of this box and be oppositely arranged the locking member 17 that is used to clamp paper spare 1, this box be positioned at a four-prism 3 that four saw blade groups 2 surround under, the top of the base plate of small box 13, the maximum effectively wide S of rib that horizontally rotates diameter D and described four-prism 3 of this box is complementary, and clamped paper spare 1 can fully be pulverized by saw blade 4 in this box; Second motor 14 is contained on the base plate of cabinet shell 10.

Shown in Fig. 1,4, the structure that is contained on the corresponding saw blade-holder 5 of each detachable property in saw blade 4 two ends is, have on the column saw blade-holder 5 from the top down to install and supporting be parallel to each other, equidistantly and the opening 18 of horizontal with saw blade 4, and the rectilinear column pin hole 19 that runs through opening 18, the termination of saw blade 4 insert respectively opening 18 in place after, with pack into column pin hole 19 and passing after the installing hole on the termination of each saw blade 4 of supporting reference column 20, fixing with lock pin 21.

Shown in Fig. 1,5, circuit control system is as follows, select 24～48 volts lithium battery 22 for use as internal power supply E, and be contained in the cabinet shell 10, external power supply 220V enters transformer B step-down behind fuse RD, after rectifier GZ rectification, E is in parallel with internal power supply afterwards, be contained in the socket CZ or the lead-in wire that have introducing 220V power supply on the electric control panel 23 on the cabinet shell 10, fuse RD, transformer B and rectifier GZ all are contained in the cabinet shell 10 by circuit board;

Internal power supply E is through power switch K ₀Be divided into two-way afterwards, the one tunnel connects two first motors 9, two tunnel in parallel connects second motor 14, closed power switch K ₀, the two-way circuit all has;

For one road circuit, by just changeing button ZA, relay ZC moves, and forward is connected circuit, and two first motors 9 are just being transported row, and four saw blade groups are inwardly shunk synchronously, and contraction puts in place and meets the front travel switch XCK that is contained on the guide rail 6 ₁After, monobasic two-way invert button FA action, thus circuit is oppositely connected in relay FC action, two first motor 9 counter-rotating operations, four saw blade groups expand outwardly synchronously, and expansion puts in place and meets the back travel switch XCK that is contained on the guide rail 6 ₂After, SR TA action, automatic shutdown circuit, two first motor 9 stalls also reset; ,

For two road circuit, press start button ZA ₀, circuit is connected in relay C action, and second motor 14 starts operation, current travel switch XCK ₁Action, when two first motor 9 counter-rotatings reset, the stop button TA in the circuit ₀Action, automatic shutdown circuit, second motor 14 is out of service, perhaps with stop button TA ₀Be set to manually be contained on the electric control panel 23, when first motor 9 begins counter-rotating or counter-rotating stall and when resetting, manually presses stop button TA ₀, stop 14 operations of second motor; Electrothermal relay RJ all is housed in the two-way circuit, carries out overload protection;

The circuit elements device all is contained in the cabinet shell 10 by circuit board, and power switch K is housed on the electric control panel 23 ₀, just change start button ZA, start button ZA ₀And corresponding power supply indicator, the motor run indicator.

Generally should start second motor 14 earlier, the back starts first motor 9.

Perhaps circuit control system adopts the PLC Programmable Logic Controller, but must guarantee the power supply AC/DC.

Shown in Fig. 2,3, the structure that is oppositely arranged the locking member 17 that is used to clamp paper spare 1 on the wall of holding paper box 15 is, regulates in the screwed hole on the wall that bolt 25 is screwed into holding paper box 15, perhaps regulates also articulated pressing plate 24 on the inner termination of bolt 25; Paper spare 1 is vertically placed in holding paper box 15, the part 17 wafer types clamping that is locked of the avris position of its no Word message (as spine).

Claims

1. portable rotary shredder comprises cabinet shell, paper shredder and the circuit control system of with cover and side door, and it is characterized in that: paper shredder is made up of paper grinder and supporting paper clamper;

2. portable rotary shredder according to claim 1, it is characterized in that: the structure that is contained on the corresponding saw blade-holder (5) of the detachable property in each saw blade (4) two ends is, have on the column saw blade-holder (5) from the top down and supporting being parallel to each other is installed with saw blade (4), equidistantly and the opening (18) of horizontal, and the rectilinear column pin hole (19) that runs through opening (18), the termination of saw blade (4) insert respectively opening (18) in place after, with pack into column pin hole (19) and passing after the installing hole on the termination of each saw blade (4) of supporting reference column (20), fixing with lock pin (21).

3. portable rotary shredder according to claim 1 and 2, it is characterized in that: circuit control system is as follows, select 24～48 volts lithium battery (22) for use as internal power supply E, and be contained in the cabinet shell (10), external power supply 220V enters transformer B step-down behind fuse RD, afterwards after rectifier GZ rectification, E is in parallel with internal power supply, be contained in the socket CZ or the lead-in wire that have introducing 220V power supply on the electric control panel (23) on the cabinet shell (10), fuse RD, transformer B and rectifier GZ all are contained in the cabinet shell (10) by circuit board;

Internal power supply E is through power switch K ₀Be divided into two-way afterwards, the one tunnel connects two first motors (9) in parallel, and two the tunnel connect second motor (14), closed power switch K ₀, the two-way circuit all has;

For one road circuit, by just changeing button ZA, relay ZC moves, and forward is connected circuit, and two first motors (9) are just being transported row, and four saw blade groups are inwardly shunk synchronously, and contraction puts in place and meets the front travel switch XCK that is contained on the guide rail (6) ₁After, monobasic two-way invert button FA action, thus circuit is oppositely connected in relay FC action, two first motors (9) counter-rotating operation, four saw blade groups expand outwardly synchronously, and expansion puts in place and meets the back travel switch XCK that is contained on the guide rail (6) ₂After, SR TA action, automatic shutdown circuit, two first motor (9) stalls also reset;

For two road circuit, press start button ZA ₀, circuit is connected in relay C action, and second motor (14) starts operation, current travel switch XCK ₁Action, when two first motors (9) counter-rotating resets, the stop button TA in the circuit ₀Action, automatic shutdown circuit, second motor (14) is out of service, perhaps with stop button TA ₀Be set to manually be contained on the electric control panel (23), when first motor (9) begins counter-rotating or counter-rotating stall and when resetting, manually presses stop button TA ₀, stop second motor (14) operation; Electrothermal relay RJ all is housed in the two-way circuit, carries out overload protection;

The circuit elements device all is contained in the cabinet shell (10) by circuit board, and electric control panel is equipped with power switch K on (23) ₀, just change start button ZA, start button ZA ₀And corresponding power supply indicator, the motor run indicator;

4. portable rotary shredder according to claim 1 and 2, it is characterized in that: the structure that is oppositely arranged the locking member (17) that is used to clamp paper spare (1) on the wall of holding paper box (15) is, regulate in the screwed hole on the wall that bolt (25) is screwed into holding paper box (15), perhaps regulate also articulated pressing plate (24) on the inner termination of bolt (25).

5. portable rotary shredder according to claim 3, it is characterized in that: the structure that is oppositely arranged the locking member (17) that is used to clamp paper spare (1) on the wall of holding paper box (15) is, regulate in the screwed hole on the wall that bolt (25) is screwed into holding paper box (15), perhaps regulate also articulated pressing plate (24) on the inner termination of bolt (25).