CN101829899B - Alignment mechanism for automatically assembling blade of paper shredder - Google Patents
Alignment mechanism for automatically assembling blade of paper shredder Download PDFInfo
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- CN101829899B CN101829899B CN2010101827371A CN201010182737A CN101829899B CN 101829899 B CN101829899 B CN 101829899B CN 2010101827371 A CN2010101827371 A CN 2010101827371A CN 201010182737 A CN201010182737 A CN 201010182737A CN 101829899 B CN101829899 B CN 101829899B
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- safety
- support
- main shaft
- blade
- alignment mechanism
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Abstract
The invention discloses an alignment mechanism for automatically assembling a blade of a paper shredder. The alignment mechanism comprises a bracket, a cylinder, a DC motor, a micro speed reducer, a safety device, a rotating spindle, a sensor, a signal plate and an elastic wheel. The bottom of the bracket is connected with a base through a hinge; a middle lug of the bracket is connected with a cylinder connecting rod; the DC motor, the micro speed reducer, the safety device, and the rotating spindle are connected in turn; the micro speed reducer is fixed on a middle supporting plate of the bracket; the signal plate and the elastic wheel are fixed on the rotating spindle; the elastic wheel is arranged above the signal plate; and the sensor is arranged on an end cover of the bracket. The alignment mechanism can realize automatic and accurate positioning of the blade by only using a small DC motor, a small cylinder and a sensor, and has the advantages of simple mechanism and convenient control.
Description
Technical field
The present invention relates to mechanical device, specifically is the kneader bar alignment mechanism of assembling automatically.
Background technology
Assembling is an important step of manufacture course of products, realizes that assembly automation is for enhancing productivity, reduce cost, guarantee that product quality is significant.Shredder is as a kind of important modern handle official bussiness instrument, and the quantity of its core part blade is many, and the assembling amount is big.Domestic at present; Manual mode is all adopted in the assembling of kneader bar; Promptly aim at knife bar cutter groove through manually making to buckle in the kneader bar; Relevant automatic mounting technique and equipment also do not appear in this manual mode efficient low, poor stability at present, and one of its reason is the relevant issues of convenience, cost and the technical complexity of blade location in the time of can not solving assembling well.Match ratio between kneader bar and the knife bar is tightr, realize that the correct location technology difficulty of blade is big through a mechanism or controllable equipment.
Summary of the invention
The objective of the invention is to defective, a kind of kneader bar alignment mechanism of assembling automatically is provided, only with a DC motor, a cylinder and automatic correct location that sensor just can be realized blade to the prior art existence.Mechanism of the present invention is simple, and is cheap for manufacturing cost, and the technical sophistication degree is low, and control is convenient, and concrete technical scheme is following.
A kind of kneader bar is the alignment mechanism of assembling automatically, comprises support, cylinder, DC motor, miniature reducer, safety, rotary main shaft, sensor, signal patch and elastic wheel; The bottom of support is connected with base through hinge, and the middle part lug of support is connected with the cylinder extension bar; DC motor, miniature reducer, safety and rotary main shaft are connected successively, and miniature reducer is fixed on the middle part gripper shoe of support; Signal patch and elastic wheel are fixed on the rotary main shaft, and elastic wheel is above signal patch, and sensor is installed on the end cap of support.
Above-mentioned kneader bar is the alignment mechanism of assembling automatically, and said cylinder adopts back hinge support mounting means, and cylinder saddle is fixed in base; Support is done the swing on the vertical direction under air cylinder driven.
Above-mentioned kneader bar is the alignment mechanism of assembling automatically, and said safety comprises safety side's handle, safety overcoat and safety adjustment screw, and safety side's handle is connected with rotary main shaft with miniature reducer respectively with the safety overcoat; When the moment of resistance of the rotary main shaft slipping torque less than safety, safety side's handle and safety overcoat rotate synchronously; When the moment of resistance of the rotary main shaft slipping torque greater than safety, safety skids, and the safety overcoat stops operating; The slipping torque of safety is adjusted through the safety adjustment screw.
Above-mentioned kneader bar is the alignment mechanism of assembling automatically, is uniform-distribution with a plurality of apertures on the signal patch, and by aperture, the sensor that is installed on the end cap of support produces two kinds of various signals, corresponds respectively to the rotation of signal patch and stops.
Above-mentioned kneader bar is the alignment mechanism of assembling automatically, and the gabarit of elastic wheel is shaped as circle, trapezoidal, triangle or waveform.
Operation principle of the present invention: when starting working, the blade of shredder arrives the precalculated position, and motor begins to rotate, and drives the handle rotation of safety side, and the control device control cylinder promotes support, let elastic wheel be close on the blade side, and blade has a lateral pressure; When blade does not arrive the tram, the frictional force between blade and the knife bar is less, and blade is less to the moment of resistance of elastic wheel; Slipping torque less than safety; The overcoat of safety and square handle rotate synchronously, drive the elastic wheel rotation, stir blade and rotate around fixing knife bar; When blade arrival tram, the interior of blade buckled in the cutter groove that snaps onto knife bar, receives a bigger clamping force; Blade is bigger to the moment of resistance of elastic wheel, and greater than the slipping torque of safety, safety skids; Rotary main shaft and signal patch stop operating, and blade is correctly located completion; Sensor produces various signals notice control device, control device control cylinder retraction, and elastic wheel leaves blade, prepares to carry out the centering of next blade; The slipping torque of safety can be adjusted through its adjustment screw as required.
The present invention compared with prior art has following advantage: the present invention only uses a DC motor (can adopt existing DC fractional motor), a cylinder (can adopt existing small-sized cylinder) and a sensor just can realize that the correct automatically location elastic wheel of blade adopts yielding resilient material (like rubber) manufacturing; Can stir blade, and blade there is a pressure; The correct location of blade guarantees that by stirring with skidding of safety of elastic wheel reliable operation designs ingenious; Be uniform-distribution with a plurality of apertures on the signal patch, whether the rotation of sensor detection signal sheet, produces two kinds of various signals, and the notice control device is controlled, and control is convenient; The position centering full automation of blade; The overall structure of mechanism is simple, and compact in design is cheap for manufacturing cost.
Description of drawings
Fig. 1 is the sketch map of the alignment mechanism that kneader bar assembles automatically in the embodiment;
Fig. 2 is the kneader bar application example sketch map of the alignment mechanism of assembling automatically;
Fig. 3 is one of fundamental diagram of the automatic alignment mechanism that assembles of kneader bar;
Fig. 4 be kneader bar automatically the alignment mechanism of assembling fundamental diagram two.
Among the figure, 1-cylinder, 2-cylinder extension bar, 3-support lug (in the centre of cylinder extension bar), 4-sensor, 5-end cap, 6-signal patch; The 7-elastic wheel, 8-rotary main shaft, 9-bearing (under end cap, being blocked), 10-safety overcoat, 11-safety adjustment screw; 12-safety side handle, 13-gripper shoe, 14-miniature reducer, 15-DC motor, 16-support, 17-base; The 18-cylinder saddle, 19-cutter groove is buckled in the 20-blade, 21-blade, the movable holder fork of 22-, 23-knife bar.
The specific embodiment
Below in conjunction with accompanying drawing practical implementation of the present invention is described further, but enforcement of the present invention and protection domain are not limited thereto.
Referring to the alignment mechanism that kneader bar shown in Figure 1 assembles automatically, support 16 bottoms are connected with base 17 through hinge, and except hinge rotation in the radial direction, support 16 other 5 frees degree are all limited by hinge; Support 16 middle part lugs 3 are connected with cylinder extension bar 2 hinges, and cylinder saddle 18 is fixed in base, so during cylinder 1 action, driving arm 16 is done corresponding swing, and don't can shake; Miniature reducer 14 and DC motor 15 as an overall fixed on bracket leg fagging 13; Rotary main shaft 8 is inserted in the bearing 9 that is fixed on the support 16, can only axially rotate, and signal patch 6 is fixed on the rotary main shaft 8 with elastic wheel 7, rotates with the rotation of rotary main shaft 8; Connect through safety between rotary main shaft 8 and the miniature reducer, so when 15 rotations of DC motor, will drive elastic wheel and rotate; Sensor 4 is installed on the end cap 5, detects the rotation status of main shaft through signal patch.Be uniform-distribution with a plurality of apertures on the signal patch 6, by aperture, the sensor that is installed on the end cap of support produces two kinds of various signals, corresponds respectively to the rotation of signal patch and stops.
Referring to shown in Figure 2, when centering work begins, the blade 20 of shredder and movable holder fork 22 arrival precalculated positions; DC motor 15 begins to rotate; Drive 12 rotations of safety side's handle, control device control cylinder 1 stretches out cylinder extension bar 2, promotes support 16 to knife bar 23 swings; Let elastic wheel 7 be close on the side of blade 20, and blade 20 have a lateral pressure.
Referring to Fig. 3 and shown in Figure 4, during work, the elastic wheel 7 that is fixed on the main shaft contacts with blade 20, and blade 20 applies lateral pressure F
N, elastic wheel 7 is with angular velocity omega
InitiativelyThe rotation, blade under driving force Fs effect with angular velocity omega
PassiveRotation.Working as blade 20 no show tram still; Frictional force between blade 20 and the knife bar 23 is less; The moment of resistance of 20 pairs of elastic wheels 7 of blade is less, and less than the slipping torque of safety, safety overcoat 10 rotates with safety side's handle 12 synchronously; Drive elastic wheel 7 rotations, stir blade 20 and rotate around fixing knife bar 23; When blade 20 arrival trams, buckle 21 in the blade and snap onto in the cutter groove 19, receive a bigger clamping force, the moment of resistance of 20 pairs of elastic wheels 7 of blade sharply increases, and greater than the slipping torque of safety, safety skids, and rotary main shaft 8 stops operating with signal patch 6; Sensor 4 produces various signals notice control device, control device control cylinder extension bar 2 retractions, and elastic wheel 7 leaves blade 20, prepares to carry out the centering of next blade; Whole process full automation is accomplished in blade 20 correct location.
Claims (3)
1. the alignment mechanism that kneader bar assembles automatically is characterized in that comprising support, cylinder, DC motor, miniature reducer, safety, rotary main shaft, sensor, signal patch and elastic wheel; The bottom of support is connected with base through hinge, and the middle part lug of support is connected with the cylinder extension bar; DC motor, miniature reducer, safety and rotary main shaft are connected successively, and miniature reducer is fixed on the middle part gripper shoe of support; Signal patch and elastic wheel are fixed on the rotary main shaft, and elastic wheel is above signal patch, and sensor is installed on the end cap of support; Cylinder adopts back hinge support mounting means, and cylinder saddle is fixed in base; Support is done the swing on the vertical direction under air cylinder driven; Said safety comprises safety side's handle, safety overcoat and safety adjustment screw, and safety side's handle is connected with rotary main shaft with miniature reducer respectively with the safety overcoat; When the moment of resistance of the rotary main shaft slipping torque less than safety, safety side's handle and safety overcoat rotate synchronously; When the moment of resistance of the rotary main shaft slipping torque greater than safety, safety skids, and the safety overcoat stops operating; The slipping torque of safety is adjusted through the safety adjustment screw.
2. kneader bar according to claim 1 is the alignment mechanism of assembling automatically, it is characterized in that being uniform-distribution with on the signal patch a plurality of apertures.
3. kneader bar according to claim 1 and 2 is the alignment mechanism of assembling automatically, and the gabarit that it is characterized in that elastic wheel is shaped as circle, trapezoidal, triangle or waveform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101827371A CN101829899B (en) | 2010-05-19 | 2010-05-19 | Alignment mechanism for automatically assembling blade of paper shredder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101827371A CN101829899B (en) | 2010-05-19 | 2010-05-19 | Alignment mechanism for automatically assembling blade of paper shredder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101829899A CN101829899A (en) | 2010-09-15 |
| CN101829899B true CN101829899B (en) | 2012-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101827371A Expired - Fee Related CN101829899B (en) | 2010-05-19 | 2010-05-19 | Alignment mechanism for automatically assembling blade of paper shredder |
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| Country | Link |
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| CN (1) | CN101829899B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103091815A (en) * | 2013-01-07 | 2013-05-08 | 四川大学 | Michelson interferometer stationary mirror friction wheel safety adjusting screw |
| CN108908179A (en) * | 2018-07-10 | 2018-11-30 | 李青华 | A kind of clamp system of arrangements for automotive doors assembly system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1231320A2 (en) * | 2001-02-09 | 2002-08-14 | Imtec Progetti S.r.l. | Device for cutting and separating toilet paper scraps |
| CN2654323Y (en) * | 2003-11-22 | 2004-11-10 | 福建省晋江市和盛机械有限公司 | Digital controlled ultrathin large slab stone cutter |
| CN2880252Y (en) * | 2005-03-25 | 2007-03-21 | 青岛皇冠电子有限公司 | Selectable file disintegrater of automatic or hand paper feeding |
| CN101434030A (en) * | 2008-12-12 | 2009-05-20 | 电子科技大学 | Device for automatically screwing main flare nut and aligning hole |
| DE102008001624A1 (en) * | 2008-05-07 | 2009-11-12 | Voith Patent Gmbh | Scraper device for moved surface of a paper, carton or other machine for the production or refinement of fiber material web, comprises a scraper blade, which extends itself diagonally to the surface to be scraped |
| CN201380106Y (en) * | 2009-02-25 | 2010-01-13 | 青岛皇冠电子有限公司 | Automatic induction device of paper shredder |
| CN201669549U (en) * | 2010-05-19 | 2010-12-15 | 华南理工大学 | Centering mechanism for automatic assembly of paper shredder blade |
-
2010
- 2010-05-19 CN CN2010101827371A patent/CN101829899B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1231320A2 (en) * | 2001-02-09 | 2002-08-14 | Imtec Progetti S.r.l. | Device for cutting and separating toilet paper scraps |
| CN2654323Y (en) * | 2003-11-22 | 2004-11-10 | 福建省晋江市和盛机械有限公司 | Digital controlled ultrathin large slab stone cutter |
| CN2880252Y (en) * | 2005-03-25 | 2007-03-21 | 青岛皇冠电子有限公司 | Selectable file disintegrater of automatic or hand paper feeding |
| DE102008001624A1 (en) * | 2008-05-07 | 2009-11-12 | Voith Patent Gmbh | Scraper device for moved surface of a paper, carton or other machine for the production or refinement of fiber material web, comprises a scraper blade, which extends itself diagonally to the surface to be scraped |
| CN101434030A (en) * | 2008-12-12 | 2009-05-20 | 电子科技大学 | Device for automatically screwing main flare nut and aligning hole |
| CN201380106Y (en) * | 2009-02-25 | 2010-01-13 | 青岛皇冠电子有限公司 | Automatic induction device of paper shredder |
| CN201669549U (en) * | 2010-05-19 | 2010-12-15 | 华南理工大学 | Centering mechanism for automatic assembly of paper shredder blade |
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| CN101829899A (en) | 2010-09-15 |
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