CN108891160A

CN108891160A - A kind of document clamper

Info

Publication number: CN108891160A
Application number: CN201811057395.3A
Authority: CN
Inventors: 白桦
Original assignee: Zhuji Da Feng Software Technology Co Ltd
Current assignee: Zhuji Da Feng Software Technology Co Ltd
Priority date: 2018-09-11
Filing date: 2018-09-11
Publication date: 2018-11-27

Abstract

A kind of document clamper of the invention, including apparatus main body, it is set to the intracorporal gripper feeder of described device master, it is set to the intracorporal Rotating memory unit of described device master, be set to the intracorporal gripping mechanism of described device master and is set to the intracorporal switching device of described device master, the gripper feeder includes being set to intracorporal first sliding cavity of described device master, is provided with the first groove of opening to the right in inner wall on the lower on the left of first sliding cavity；The present apparatus has overturned understanding of the people for normal folder, the present apparatus can complete various functions by driving motor, switch motor is utilized simultaneously to switch over to guarantee the carry out file clamping that can be automated, and it inside it can be with classified storage, also just because of being stored in internal the case where capable of also reducing the damage of many files.

Description

A kind of document clamper

Technical field

The present invention relates to technical field of smart office, specifically a kind of document clamper.

Background technique

Document clamper either office or study in all can be through being commonly encountered, common document clamper uses more substantially A fixture accomplishes the effect of classification, and the present apparatus overturned understanding of the people for normal folder, and the present apparatus can pass through drive Dynamic motor completes various functions, while switch motor is utilized and switches over to guarantee the carry out file clamping that can be automated, And it inside it can be with classified storage, also just because of internal the case where capable of also reducing the damage of many files is stored in, so needing Design a kind of document clamper it is really necessary to.

Summary of the invention

Technical problem to be solved by the invention is to provide a kind of document clampers, are able to solve above-mentioned show in the art Problem.

The present invention is achieved through the following technical solutions：A kind of document clamper of the invention, including apparatus main body, set It is placed in the intracorporal gripper feeder of described device master, the intracorporal Rotating memory unit of described device master is set to, is set to institute It states the gripping mechanism in apparatus main body and is set to the intracorporal switching device of described device master, the gripper feeder includes It is set to intracorporal first sliding cavity of described device master, is provided with opening to the right in inner wall on the lower on the left of first sliding cavity The first groove, be provided with the second groove of opening to the right, setting in second groove in inner wall on the downside of first groove There is rotatable first rotating block, first rotating block upper end, which is fixedly connected with, to be extended in first groove and can be rotated The first rotating cylinder, rotatable first ring gear, setting in first rotating block are fixedly connected on first rotating cylinder Have opening third groove to the right, in first rotating cylinder rotary type be fixedly connected with upper end extend in first groove and Lower end extends to the first rotating shaft in the third groove, and the first rotating shaft is located at the fixed company of the first rotating cylinder upper side position Be connected to rotatable first gear, the first rotating shaft be located at the third inside grooves point be threadedly engaged be connected with it is symmetrical above and below And first sliding block that can slide up and down, the 4th opposite groove that is open is provided in the third groove upper and lower sides inner wall, it is described The 5th groove of opening to the left is provided on the right side of first sliding cavity in upper inner wall, is provided with and communicated on the upside of the 5th groove Opening the 6th groove to the right is provided with and communicated with the storage being connected to on the left of second groove in the 6th groove inner left wall Chamber is deposited, left end is provided in the 6th groove and is extended in the storage chamber and rotatable second rotating block, described second Rotating block lower end, which is fixedly connected with, to be extended in the 5th groove and rotatable second rotating cylinder, fixed on second rotating cylinder It is connected with rotatable second ring gear, is provided with opening the 7th groove to the left in second rotating block, described second Rotary type is fixedly connected with that upper end extends in the 7th groove and lower end extends in the 5th groove at rotating cylinder axle center The second shaft, the second rotating cylinder lower position is located in second shaft and is fixedly connected with rotatable second gear, Second shaft, which is located at position in the 7th groove and is threadedly engaged, is connected with second sliding block that can slide up and down, and the described 7th The 8th groove that Open Side Down is provided in groove upper inside walls.

The Rotating memory unit includes being set in the storage chamber and rotatable the as a preferred technical solution, Three shafts are fixedly connected with the first fixed link of array arrangement in the third shaft, and the first fixed link right end is on the lower Position is fixedly connected with the second fixed link, is fixedly connected with third fixed link between second fixed link and the first fixed link, It is rotatably assorted in second fixed link and is connected with the first rotating bar, it is fixed that first rotating bar lower end is fixedly connected with the 4th Bar is fixedly connected with the 5th fixed link, inner wall on the right side of the storage chamber between the 4th fixed link and first rotating bar It is inside provided with the first rotation chamber, the third shaft right end extends to described first and rotates intracavitary and be fixedly connected with rotatable Third gear, described first rotates the 9th groove for being provided with and being open to the right in inner wall on the downside of chamber, and third gear lower end is nibbled Close and be connected with the 4th gear of rotation, be fixedly connected at the 4th gear axis extend in the 9th groove and Rotatable 4th shaft is provided with the 5th gear being fixedly connected with the 4th shaft in the 9th groove.

The gripping mechanism includes being set to inner wall inner opening on the downside of the first rotation chamber as a preferred technical solution, The tenth upward groove is provided with the third sliding block that can slide up and down in the tenth groove, and the third upper end of slide block is fixed It is connected with right end and extends to that first rotation is intracavitary and non-rotatable 5th shaft, the 5th shaft upper end is fixedly connected There is non-rotatable 6th gear, the 6th gear left end engagement is connected with the be fixedly connected with the third shaft Ten gears are provided with the first opposite guide runner that is open, described third sliding block or so end in the tenth groove left and right sides inner wall It is fixedly connected with the first slider guide extended in first guide runner, first slider guide lower end is fixedly connected with first Reset spring is provided with the perforative first through hole in left and right in inner wall on the right side of the tenth groove, is provided in the first through hole It can horizontally slip and left end can merge the Four-slider that right end extends in first sliding cavity with third sliding block matching, The the second opposite guide runner that is open is provided in the first through hole upper and lower sides inner wall, the Four-slider upper and lower side is fixedly connected There is the second slider guide extended in second guide runner, second slider guide left end is fixedly connected with the second reset bullet Spring.

The switching device includes being set to inner wall inner opening on the right side of first sliding cavity as a preferred technical solution, The 11st groove to the left is fixedly installed switch motor, the switch motor lower end in the 11st groove upper inside walls Power is connected with the first screw rod extended in the 11st groove, is threadedly engaged on first screw rod and is connected with a left side End extends in first sliding cavity and the 5th sliding block that can slide up and down, and driving electricity is fixedly installed in the 5th sliding block Machine, driving motor upper end power are connected with the 6th shaft extended in first sliding cavity, and described 6th turn Axis upper end is fixedly connected with rotatable 7th gear, the 7th gear can with the 5th gear, the second gear with And the second ring gear is meshed, be located on the downside of the 7th gear in the 6th shaft be fixedly connected with left end can be with The 6th sliding block that the Four-slider matches, driving motor lower end power, which is connected with, extends to first sliding The 7th intracavitary shaft, the 7th shaft lower end are fixedly connected with rotatable eighth gear, and the eighth gear can be with institute It states first gear and the first ring gear is meshed.

The beneficial effects of the invention are as follows：The configuration of the present invention is simple, easy to operate, the present apparatus is in use, be placed in for file On one sliding block, switch motor is opened, it is dynamic that switch motor drives the first screw rod to turn left, and the first screw rod drives the 5th sliding block to downslide Dynamic, the 5th sliding block drives eighth gear to engage with first gear, and driving motor is opened, and driving motor drives the rotation of the 7th shaft, 7th shaft drives eighth gear rotation, and eighth gear drives first gear rotation, and first gear drives first rotating shaft rotation, the The rotation of one shaft drives the first sliding block to draw close and clamp file, switch motor control eighth gear and first ring gear after clamping Engagement, driving motor drive first ring gear rotation, and first ring gear drives the first drum rotation, and the first rotating cylinder drives the The rotation of one rotating block, the rotation of the first rotating block similarly, then control on filing to the 4th fixed link the first sliding block and unclamp simultaneously Switch motor is opened after being placed in the first rotation block reset, file in the 4th fixed link engages the 7th gear with the 5th gear, The 6th slipper push Four-slider slides to the left at this time, the 6th slipper push third sliding block slide downward, the 6th gear and the tenth Gear is disengaged from, and third shaft restores rotary state, driving motor starting, driving electricity after the 6th gear and the disengaging of the tenth gear Machine drives the rotation of the 6th shaft, and the 6th shaft drives the rotation of the 7th gear, and the 7th gear drives the rotation of the 5th gear, the 5th gear The 4th shaft is driven to rotate, the 4th shaft drives the rotation of the 4th gear, and the 4th gear drives the rotation of third gear, third gear band Dynamic third shaft rotation, third shaft drives the first fixed link of downside to turn to upside, under the first fixed link of downside drives Second fixed link of side turns to, and the first rotating bar and the 4th fixed link are in weight when the second fixed link of downside turns to upside Downward position is remained under power effect, and starting switch motor makes the after turning to upside with documentary 4th fixed link Seven gears and the 5th gear be disengaged from and on slide to the 7th gear and engaged with second gear, when the 7th gear and the 5th gear are de- It is abutted from the 6th sliding block and Four-slider disengaging simultaneously after engagement, the 6th gear restores to engage with the tenth gear, and third shaft is extensive Again can not rotary state, driving motor starting, the 7th gear drive second gear rotation, second gear drive the second shaft turn Dynamic, the second shaft drives the second sliding block slide downward and inner wall on the downside of the 7th groove is cooperated to clamp file, then passes through switch motor Engage the 7th gear with second ring gear, driving motor drives second ring gear rotation, and second ring gear drives the Two rotating blocks make the second sliding block unclamp file by filing to the external world, then by switch motor and the cooperation of the 7th gear, then will Second rotation block reset, more parts of files can be stored simultaneously by repeating aforesaid operations, and can selectively take out needs File, the present apparatus overturned understanding of the people for normal folder, the carry out file clamping that the present apparatus can automate, and It inside it can be with classified storage, also just because of being stored in internal the case where capable of also reducing the damage of many files.

Detailed description of the invention

The present invention is described in detail by following specific embodiments and drawings for ease of explanation,.

Fig. 1 is a kind of schematic diagram of internal structure of document clamper of the invention；

Fig. 2 is the enlarged diagram of " A " in Fig. 1.

Specific embodiment

As Figure 1-Figure 2, a kind of document clamper of the invention, including apparatus main body 10, it is set to described device main body Gripper feeder in 10, the Rotating memory unit being set in described device main body 10 are set to described device main body 10 Interior gripping mechanism and the switching device being set in described device main body 10, the gripper feeder include being set to institute State the first sliding cavity 11 in apparatus main body 10,11 left side of the first sliding cavity is on the lower provided with opening in inner wall to the right First groove 12 is provided with the second groove 13 of opening to the right, second groove 13 in first groove, the 12 downside inner wall It is inside provided with rotatable first rotating block 14,14 upper end of the first rotating block, which is fixedly connected with, extends to first groove In 12 and rotatable first rotating cylinders 15, rotatable first ring gear 16, institute are fixedly connected on first rotating cylinder 15 The third groove 17 being provided in the first rotating block 14 Kai Kou to the right is stated, rotary type is fixedly connected in first rotating cylinder 15 End extends in first groove 12 and lower end extends to the first rotating shaft 18 in the third groove 17, the first rotating shaft 18, which are located at 15 upper side position of the first rotating cylinder, is fixedly connected with rotatable first gear 19, and the first rotating shaft 18 is located at institute It states 17 inner part of third groove and is threadedly engaged and be connected with symmetrical above and below and first sliding block 20 that can slide up and down, the third groove The 4th opposite groove 21 that is open, setting in the 11 upper inner wall in right side of the first sliding cavity are provided in 17 upper and lower sides inner walls There is the 5th groove 22 of opening to the left, the 6th groove 23 of opening to the right is provided with and communicated on the upside of the 5th groove 22, it is described The storage chamber 24 being connected to on the left of second groove 13, the 6th groove are provided with and communicated in 6th groove, 23 inner left wall It is provided with left end in 23 and extends to interior and rotatable second rotating block 25 of the storage chamber 24,25 lower end of the second rotating block It is fixedly connected with and extends to interior and rotatable second rotating cylinder 26 of the 5th groove 22, be fixedly connected on second rotating cylinder 26 There is rotatable second ring gear 27, is provided with opening the 7th groove 28 to the left in second rotating block 25, described the Rotary type is fixedly connected with that upper end extends in the 7th groove 28 and lower end extends to the described 5th at two rotating cylinders, 26 axle center The second shaft 29 in groove 22 is located at 26 lower position of the second rotating cylinder in second shaft 29 and is fixedly connected with and can turn Dynamic second gear 30, second shaft 29, which is located at position in the 7th groove 28 and is threadedly engaged, to be connected with and can slide up and down The second sliding block 31, be provided with the 8th groove 32 that Open Side Down in 28 upper inside walls of the 7th groove.

Valuably, the Rotating memory unit includes being set to the interior and rotatable third shaft 33 of the storage chamber 24, It is fixedly connected with the first fixed link 34 of array arrangement in the third shaft 33,34 right end of the first fixed link position on the lower It sets and is fixedly connected with the second fixed link 35, be fixedly connected with third between second fixed link 35 and the first fixed link 34 and fix Bar 36 is rotatably assorted in second fixed link 35 and is connected with the first rotating bar 37, and 37 lower end of the first rotating bar is fixed to be connected It is connected to the 4th fixed link 38, is fixedly connected with the 5th fixed link between the 4th fixed link 38 and first rotating bar 37 39, the first rotation chamber 40 is provided in the 24 right side inner wall of storage chamber, and 33 right end of third shaft extends to described first In rotation chamber 40 and it is fixedly connected with rotatable third gear 41, is provided with opening in the first rotation 40 downside inner wall of chamber The 9th groove 42 to the right, 41 lower end of the third gear engagement are connected with the 4th gear 43 of rotation, the 4th tooth It takes turns to be fixedly connected at 43 axle center and extends to interior and rotatable 4th shaft 44 of the 9th groove 42, the 9th groove 42 Inside it is provided with the 5th gear 45 being fixedly connected with the 4th shaft 44.

Valuably, the gripping mechanism includes being set to described first to rotate the tenth of 40 downside inner wall inner opening of chamber upwards Groove 46 is provided with the third sliding block 47 that can slide up and down in the tenth groove 46, and 47 upper end of third sliding block is fixed to be connected It is connected to right end to extend in the first rotation chamber 40 and non-rotatable 5th shaft 48,48 upper end of the 5th shaft is fixed It is connected with non-rotatable 6th gear 49,49 left end of the 6th gear engagement is connected with solid with the third shaft 33 Surely the tenth gear 70 connected is provided with the first opposite guide runner 50 that is open, institute in the 46 left and right sides inner wall of the tenth groove It states the end of third sliding block 47 or so and is fixedly connected with the first slider guide 51 extended in first guide runner 50, described first leads 51 lower end of sliding block is fixedly connected with first back-moving spring 52, and left and right perforative is provided in the 46 right side inner wall of the tenth groove One through-hole 53, being provided in the first through hole 53 can horizontally slip and left end can match with the third sliding block 47 and merge right end The Four-slider 54 in first sliding cavity 11 is extended to, it is opposite that opening is provided in the 53 upper and lower sides inner wall of first through hole The second guide runner 55,54 upper and lower side of Four-slider is fixedly connected with second extended in second guide runner 55 and leads Sliding block 56,56 left end of the second slider guide are fixedly connected with second back-moving spring 57.

Valuably, the switching device include be set to the 11 right side inner wall inner opening of the first sliding cavity to the left the tenth One groove 58, switch motor 59 is fixedly installed in 58 upper inside walls of the 11st groove, and 59 lower end of switch motor is dynamic Force-fitting is connected with the first screw rod 60 extended in the 11st groove 58, is threadedly engaged connection on first screw rod 60 There is left end to extend in first sliding cavity 11 and the 5th sliding block 61 that can slide up and down, fixation is set in the 5th sliding block 61 It is equipped with driving motor 62, the 62 upper end power of driving motor is connected with the 6th extended in first sliding cavity 11 Shaft 63,63 upper end of the 6th shaft are fixedly connected with rotatable 7th gear 64, the 7th gear 64 can with it is described 5th gear 45, the second gear 30 and the second ring gear 27 are meshed, and institute is located in the 6th shaft 63 It states and is fixedly connected with the 6th sliding block 65 that left end can be matched with the Four-slider 54 on the downside of the 7th gear 64, the driving electricity 62 lower end power of machine is connected with the 7th shaft 66 extended in first sliding cavity 11,66 lower end of the 7th shaft It is fixedly connected with rotatable eighth gear 67, the eighth gear 67 can be with the first gear 19 and described first annular Gear 16 is meshed.

For the present apparatus in use, file is placed on the first sliding block 20, opening switch motor 59, switch motor 59 drives first Screw rod 60 turns left to move, and the first screw rod 60 drives 61 slide downward of the 5th sliding block, and the 5th sliding block 61 drives eighth gear 67 and first Gear 19 engages, and driving motor 62 is opened, and driving motor 62 drives the rotation of the 7th shaft 66, and the 7th shaft 66 drives eighth gear 67 rotations, eighth gear 67 drive first gear 19 to rotate, and first gear 19 drives first rotating shaft 18 to rotate, and 18 turns of first rotating shaft Dynamic that the first sliding block 20 is driven to draw close and clamp file, switch motor 59 controls eighth gear 67 and first ring gear 16 after clamping Engagement, driving motor 62 drive first ring gear 16 to rotate, and first ring gear 16 drives the first rotating cylinder 15 to rotate, and first turn Cylinder 15 drives the rotation of the first rotating block 14, and the first rotating block 14 is rotated on filing to the 4th fixed link 38, similarly, then controlled It makes the first sliding block 20 to unclamp and reset the first rotating block 14, file, which opens switch motor 59 after being placed in the 4th fixed link 38, to be made 7th gear 64 is engaged with the 5th gear 45, and the 6th sliding block 65 pushes Four-slider 54 to slide to the left at this time, and the 6th sliding block 65 pushes away Dynamic 47 slide downward of third sliding block, the 6th gear 49 are disengaged from the tenth gear 70, and the 6th gear 49 and the tenth gear 70 are de- Restoring rotary state from rear third shaft 33, driving motor 62 starts, and driving motor 62 drives the 6th shaft 63 to rotate, and the 6th turn Axis 63 drives the rotation of the 7th gear 64, and the 7th gear 64 drives the rotation of the 5th gear 45, and the 5th gear 45 drives the 4th shaft 44 Rotation, the 4th shaft 44 drive the rotation of the 4th gear 43, and the 4th gear 43 drives third gear 41 to rotate, and third gear 41 drives Third shaft 33 rotates, and third shaft 33 drives the first fixed link 34 of downside to turn to upside, the first fixed link 34 of downside The second fixed link 35 of downside is driven to turn to, the first rotating bar 37 and the when the second fixed link 35 of downside turns to upside Four fixed links 38 remain downward position under the effect of gravity, after turning to upside with documentary 4th fixed link 38 Starting switch motor 59 make the 7th gear 64 and the 5th gear 45 be disengaged from and on slide to the 7th gear 64 and second gear 30 Engagement, the 6th sliding block 65 is abutted with the disengaging of Four-slider 54 simultaneously after the 7th gear 64 is disengaged from the 5th gear 45, the The recovery of six gears 49 and the tenth gear 70 engage, third shaft 33 restore can not rotary state, the starting of driving motor 62, the 7th tooth Wheel 64 drives second gear 30 to rotate, and second gear 30 drives the rotation of the second shaft 29, and the second shaft 29 drives the second sliding block 31 Slide downward simultaneously cooperates 28 downside inner wall of the 7th groove to clamp file, then makes the 7th gear 64 and the second ring by switch motor 59 Shape gear 27 engages, and driving motor 62 drives second ring gear 27 to rotate, and second ring gear 27 drives the second rotating block 25 Make the second sliding block 31 release file by filing to the external world, then by switch motor 59 and the cooperation of the 7th gear 64, then by the Two rotating blocks 25 reset, and more parts of files can be stored simultaneously by repeating aforesaid operations, and can selectively take out needs File.

The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any The change or replacement expected without creative work, should be covered by the protection scope of the present invention.Therefore, of the invention Protection scope should be determined by the scope of protection defined in the claims.

Claims

1. a kind of document clamper of the invention, including apparatus main body, it is set to the intracorporal gripper feeder of described device master, if It is placed in the intracorporal Rotating memory unit of described device master, the intracorporal gripping mechanism of described device master is set to and is set to described Switching device in apparatus main body, it is characterised in that：The gripper feeder includes being set to described device master intracorporal the One sliding cavity is provided with the first groove of opening to the right, first groove in inner wall on the lower on the left of first sliding cavity It is provided with the second groove of opening to the right in the inner wall of downside, is provided with rotatable first rotating block, institute in second groove It states the first rotating block upper end and is fixedly connected with and extend in first groove and rotatable first rotating cylinder, first rotating cylinder On be fixedly connected with rotatable first ring gear, opening third groove to the right, institute are provided in first rotating block It states rotary type in the first rotating cylinder and is fixedly connected with that upper end extends in first groove and lower end extends to the third groove Interior first rotating shaft, the first rotating shaft are located at the first rotating cylinder upper side position and are fixedly connected with rotatable first gear, The first rotating shaft, which is located at the third inside grooves and point is threadedly engaged, to be connected with symmetrical above and below and can slide up and down first sliding Block, is provided with the 4th opposite groove that is open in the third groove upper and lower sides inner wall, upper on the right side of first sliding cavity It is provided with the 5th groove of opening to the left in inner wall, the 6th groove of opening to the right is provided with and communicated on the upside of the 5th groove, The storage chamber for being provided with and communicated in the 6th groove inner left wall and being connected on the left of second groove, in the 6th groove It is provided with left end to extend in the storage chamber and rotatable second rotating block, second rotating block lower end is fixedly connected with It extends in the 5th groove and rotatable second rotating cylinder, is fixedly connected with rotatable second ring on second rotating cylinder Shape gear is provided with the 7th groove of opening to the left in second rotating block, and rotary type is fixed at second rotating cylinder axle center It is connected with upper end and extends to the second shaft that in the 7th groove and lower end extends in the 5th groove, described second turn It is located at the second rotating cylinder lower position on axis and is fixedly connected with rotatable second gear, second shaft is located at described the Position, which is threadedly engaged, in seven grooves is connected with second sliding block that can slide up and down, and is provided with out in the 7th groove upper inside walls The 8th downward groove of mouth.

2. a kind of document clamper according to claim 1, it is characterised in that：The Rotating memory unit includes being set to institute The interior and rotatable third shaft of storage chamber is stated, the first fixed link of array arrangement, institute are fixedly connected in the third shaft Stating the first fixed link right end, side position is fixedly connected with the second fixed link on the lower, between second fixed link and the first fixed link It is fixedly connected with third fixed link, is rotatably assorted in second fixed link and is connected with the first rotating bar, first rotating bar Lower end is fixedly connected with the 4th fixed link, and it is fixed that the 5th is fixedly connected between the 4th fixed link and first rotating bar Bar is provided with the first rotation chamber in inner wall on the right side of the storage chamber, and the third shaft right end extends to the first rotation chamber It is interior and be fixedly connected with rotatable third gear, opening to the right the 9th recessed is provided on the downside of the first rotation chamber in inner wall Slot, third gear lower end are engaged the 4th gear for being connected with rotation, are fixedly connected at the 4th gear axis It extends in the 9th groove and rotatable 4th shaft, is provided in the 9th groove and is fixed with the 4th shaft 5th gear of connection.

3. a kind of document clamper according to claim 1, it is characterised in that：The gripping mechanism includes being set to described the One rotates the tenth groove that inner wall inner opening is upward on the downside of chamber, and it is sliding that the third that can slide up and down is provided in the tenth groove Block, the third upper end of slide block are fixedly connected with right end and extend to that first rotation is intracavitary and non-rotatable 5th shaft, The 5th shaft upper end is fixedly connected with non-rotatable 6th gear, the 6th gear left end engagement be connected with The tenth gear that the third shaft is fixedly connected, is provided with that opening is opposite first to be led in the tenth groove left and right sides inner wall Sliding slot, described third sliding block or so, which is held, is fixedly connected with the first slider guide extended in first guide runner, and described first Slider guide lower end is fixedly connected with first back-moving spring, is provided with left and right perforative first in inner wall on the right side of the tenth groove and leads to Hole, being provided in the first through hole can horizontally slip and left end can match with the third sliding block and merge described in right end extends to Four-slider in first sliding cavity is provided with the second opposite guide runner that is open, institute in the first through hole upper and lower sides inner wall It states Four-slider upper and lower side and is fixedly connected with the second slider guide extended in second guide runner, second slider guide is left End is fixedly connected with second back-moving spring.

4. a kind of document clamper according to claim 1, it is characterised in that：The switching device includes being set to described the The 11st groove of inner wall inner opening to the left on the right side of one sliding cavity is fixedly installed switching in the 11st groove upper inside walls Motor, switch motor lower end power are connected with the first screw rod extended in the 11st groove, and described first It is threadedly engaged on screw rod and is connected with left end and extends in first sliding cavity and the 5th sliding block that can slide up and down, the described 5th Driving motor is fixedly installed in sliding block, driving motor upper end power, which is connected with, to be extended in first sliding cavity The 6th shaft, the 6th shaft upper end is fixedly connected with rotatable 7th gear, and the 7th gear can be with described Five gears, the second gear and the second ring gear are meshed, and the 7th gear is located in the 6th shaft Downside is fixedly connected with the 6th sliding block that left end can be matched with the Four-slider, and power cooperation in the driving motor lower end connects It is connected to the 7th shaft extended in first sliding cavity, the 7th shaft lower end is fixedly connected with rotatable octadentate Wheel, the eighth gear can be meshed with the first gear and the first ring gear.