CN110143078A - A kind of teaching paper automation envelope binding device - Google Patents
A kind of teaching paper automation envelope binding device Download PDFInfo
- Publication number
- CN110143078A CN110143078A CN201910465514.7A CN201910465514A CN110143078A CN 110143078 A CN110143078 A CN 110143078A CN 201910465514 A CN201910465514 A CN 201910465514A CN 110143078 A CN110143078 A CN 110143078A
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- motor
- support plate
- shaft
- transmission wheel
- paper
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42B—PERMANENTLY ATTACHING TOGETHER SHEETS, QUIRES OR SIGNATURES OR PERMANENTLY ATTACHING OBJECTS THERETO
- B42B2/00—Permanently attaching together sheets, quires or signatures by stitching with filamentary material, e.g. textile threads
- B42B2/02—Machines for stitching with thread
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Sewing Machines And Sewing (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The present invention relates to education and instruction equipment technology fields, especially a kind of teaching paper automates envelope binding device, including pedestal, conveyer belt, perforating needle and punching threading needle, the pedestal upper left side support plate left side is connected with first motor, the first motor is twin shaft output, transmission wheel is connected on the output shaft of front and back, right side side support plate by transmission wheel fixed plate and transmission wheel shaft also connect there are two transmission wheel, respectively it is connected by a conveyer belt between the transmission wheel of two groups of front and back, two pressing roller are equipped with above two conveyer belts, the second motor is connected on motor housing inner roof wall, second motor is connected with punching threading needle, rotating shuttle is equipped with below horizontal support plate, rotating shuttle connecting shaft passes through transmission the second motor of band connection.Rationally, conveyer belt is used for the transmission of paper for structure of the invention design, and the rotating shuttle of the punching threading needle moved up and down and rotation completes suture, to realize the automatic operation of paper punching and suture.
Description
Technical field
The present invention relates to education and instruction equipment technology field, especially a kind of teaching paper automates envelope binding device.
Background technique
After examination, teacher usually will can make to believe with student in this way student to student's examination paper sealing binding
The part of breath is hidden in outside cord, cleaner and tidier when not only making teacher comment paper, not will cause loss or because of paper
Make Administrative Area mixed and disorderly too much, while also playing fair effect, is deposited in addition, being also convenient for storage after paper envelope is ordered
Shelves.School common at present mostly uses greatly the mode of suture after first punching, and punching is not only time-consuming and laborious by hand, when suture
Suture may also can be not easy to because hole is staggered.In the Chinese invention patent that notification number is CN108891147A, announce
A kind of teacher paper self-binder can be realized paper and transport automatically, from the mesh punched and the functions such as bookbinding are integrated
, suture is carried out while punching, however the device needs to carry out in advance position encoded, to determine hole location, this just makes
Obtaining its operation becomes complicated.To sum up, the technical program technical problem to be solved are as follows: traditional paper method for stitching can not be real
Now punch the automatic operation with suture.
Summary of the invention
The purpose of the invention is to overcome above-mentioned technical disadvantages to provide a kind of teaching paper automation envelope binding device, pass
The rotating shuttle of the transmission for sending band to be used for paper, the punching threading needle moved up and down and rotation completes suture, beats to realize paper
The automatic operation in hole and suture.
The present invention solves the technical solution that technical problem uses are as follows: a kind of teaching paper automation envelope binding device, including
Pedestal, conveyer belt, perforating needle and punching threading needle, the pedestal upper surface left and right sides are connected with side support plate, the side
Support plate lower part front and rear sides are equipped with notch, and left side side support plate left side is connected with first motor, and the first motor is double
Axis exports, and is connected with transmission wheel on the output shaft of front and back, right side side support plate right side is connected with transmission wheel fixed plate, the biography
It send wheel fixed plate front and rear sides to be connected with transmission wheel shaft, transmission wheel is also socketed on the transmission wheel shaft, the conveyer belt is shared
Two, respectively it is connected by a conveyer belt between the transmission wheel of two groups of front and back, and front side transmission bandwidth is in rear side conveyer belt, to protect
When card paper is placed on two conveyer belts, cord right body portion can be placed on the conveyer belt of front side, narrower part on the left of cord
It is placed on rear side conveyer belt, wherein conveyer belt lower part is passed through from indentation, there, and when guaranteeing first motor starting, conveyer belt can
It runs well, the side support plate top is connected with horizontal support plate, and through slot is equipped in the middle part of horizontal support plate, and horizontal support plate rear end face is left
Right two sides are connected with L-shaped connecting rod, and connecting rod top is connected with limited block, slide cartridge is socketed in connecting rod, and outside connecting rod
Support spring is socketed between slide cartridge and limited block, the slide cartridge front end face is connected with roll shaft, and roll shaft is outer on two conveyer belts
Square set is connected to two pressing roller, and throw rod is connected between two slide cartridges, and two limited block inner opposite ends are connected with switch fixing casing, switch
It is connected with trigger switch below fixed plate, the throw rod upper surface is connected with second spring immediately below trigger switch, and second
Spring top and trigger switch lower end connect, and left and right two is connected with support column on rear side of the pedestal, and support top end is solid
It is connected to motor housing, motor housing front end face is hinged with chamber door, and the second motor, second electricity are connected on the motor housing inner roof wall
Machine is twin shaft output, and turntable is connected on the output shaft of front side, and turntable front end face outer rim is connected with the first drive rod, and described first passes
The second drive rod of lever front end grafting upper end, hingedly punch threading needle for the second drive rod lower end, and the punching threading needle is from motor
It being pierced by and is located at right above through slot in case, the punching threading needle bottom end is equipped with pinprick, when the rotation of the second motor, turntable rotation
And threading needle is punched by the first drive rod and the second drive rod and is moved up and down, it can be punched and be threaded simultaneously, the motor
Case inner bottom surface front is connected with first coil axis, and first coil outer shaft sleeve is connected to first coil, and motor housing inner bottom surface is in First Line
It encloses and is equipped with outlet hole on rear side of axis, be wound with cord in first coil, upper cord is extended downwardly and passed through out of outlet hole
Pinprick is connected with upper driving wheel on output shaft on rear side of second motor, is equipped with opening, the horizontal branch on rear side of motor housing lower end surface
Fagging lower end surface is connected with fixed frame in punching rear under threading needle, and connecting shaft, the connection shaft rear end are plugged on fixed frame
It is connected with lower driving wheel, passes through the transmission band connection across opening, the connecting shaft front end between upper driving wheel and lower driving wheel
It is connected with connection frame and the second coil axis, the connection frame front end is connected with rotating shuttle, is socketed with the second coil on the second coil axis,
Lower cord is wound on second coil, lower cord is extend out to above through slot from rotating shuttle exit, affixed on the left of the pedestal
There is external power supply, motor housing top is connected with total control switch, and two trigger switch of left and right are parallel connection, first motor and the second motor
For parallel connection, the paper being bound will be needed to place on a moving belt and make its right side closely left side pressing roller, and makes cord
It is punched immediately below threading needle above through slot, then lifts throw rod, make throw rod that two slide cartridges be driven to move up, while the
Two springs, which squeeze trigger switch, makes trigger switch control first motor and the second electric motor starting, when first motor operating, transmission
Band drives paper to move right, while can unclamp throw rod at this time, and the thickness by a pile paper itself protects slide cartridge position
It holds, second spring still can make device run with continuous extrusion trigger switch, while generate by support spring downward
Power can make two pressing roller of front and back compress paper cord two sides, to guarantee the compactedness of punching with paper when suture, when the second electricity
When machine rotates, upper driving wheel drives lower driving wheel to rotate by transmission belt, and rotating shuttle in connecting shaft is rotated, due to beating at this time
Hole threading needle is also moving up and down, and upper cord is pierced by out of pinprick, and suture can be completed in the two cooperation, to realize examination
The automatic operation of volume punching and suture can be sufficient filling with pinprick and generate foot since the cord of bookbinding paper itself is relatively thick
Enough big frictional force is to guarantee that the upper cord threading needle that can be perforated lifts, when paper removes under the pressing roller of right side, slide cartridge
Position declines under the action of support spring, and second spring no longer squeezes trigger switch, then first motor and the second motor stop
Operating, punching and suture operation are simultaneously stopped.
Further, it is equipped with anti-skid chequer on the transmission wheel and conveyer belt, to improve between transmission wheel and conveyer belt
Frictional force.
Further, it is socketed with limited cap outside the second coil axis front end, limited cap is for preventing the second coil from the
It is detached from two coil axis, meanwhile, limited cap can be pulled out directly, in order to the second coil more renewed.
Further, the connecting shaft is connected with I-shaped limit sleeve in fixed frame two sides, to prevent connecting shaft or so from moving
It is dynamic.
The present invention has the beneficial effects that the paper being bound will be needed to place on a moving belt and keep its right side tight
Left side pressing roller is suffered, throw rod is then lifted and second spring is made to squeeze trigger switch and start device, by by a pile
The thickness of paper itself makes second spring keep squeezing trigger switch so that device continuous service, first motor and second
When motor operates, conveyer belt, punching threading needle and rotating shuttle operating, conveyer belt will drive paper to move right, by support spring
The downward power generated makes two pressing roller of front and back compress paper cord two sides, while punching threading needle and rotating shuttle cooperation completion seam
Line, to realize the automatic operation of paper punching and suture, when paper removes under the pressing roller of right side, slide cartridge is being supported
Position declines under the action of spring, and second spring no longer squeezes trigger switch, then first motor and the second motor shut down, and beat
Hole and suture operation are simultaneously stopped.
Detailed description of the invention
Attached drawing 1 is external structure schematic diagram of the invention.
Connection schematic diagram of the attached drawing 2 between transmission wheel of the present invention and conveyer belt.
Attached drawing 3 is the structural side view of pressing roller of the present invention.
Attached drawing 4 is the schematic diagram of internal structure of motor housing of the present invention and rotating shuttle.
Attached drawing 5 is the second motor of the present invention and perforating needle and the structural schematic diagram for punching threading needle.
Attached drawing 6 is the structural schematic diagram of rotating shuttle of the present invention.
Attached drawing 7 is circuit connection diagram of the invention.
Specific embodiment
1~7 couple of present invention is described below with reference to the accompanying drawing.
As shown in Fig. 1~7, the present invention includes pedestal 1, conveyer belt 7, perforating needle 22 and punching threading needle 23, the pedestal 1
Side support plate 2 is connected at left and right sides of upper surface, the 2 lower part front and rear sides of side support plate are equipped with notch 2-1, and left side is collateral
2 left side of fagging is connected with first motor 3, and the first motor 3 is twin shaft output, is connected with transmission wheel on the output shaft of front and back
4, side support plate 2 right side in right side is connected with transmission wheel fixed plate 5, and 5 front and rear sides of transmission wheel fixed plate are connected with transmission
Wheel shaft 6, is also socketed with transmission wheel 4 on the transmission wheel shaft 6, and the conveyer belt 7 shares two, between the transmission wheel 4 of two groups of front and back
Respectively it is connected by a conveyer belt 7, and front side conveyer belt 7 is wider than rear side conveyer belt 7, to guarantee that paper is placed on two conveyer belts 7
When upper, cord right body portion can be placed on the conveyer belt 7 of front side, and narrower part is placed in rear side conveyer belt 7 on the left of cord
On, wherein 7 lower part of conveyer belt is from notch 2-1 across when guaranteeing that first motor 3 starts, conveyer belt 7 can run well, institute
It states 2 top of side support plate and is connected with horizontal support plate 8, be equipped with through slot 8-1,8 rear end face of horizontal support plate or so two in the middle part of horizontal support plate 8
Side is connected with L-shaped connecting rod 9, and 9 top of connecting rod is connected with limited block 10, and slide cartridge 11, and connecting rod are socketed in connecting rod 9
Support spring 12 is socketed between slide cartridge 11 and limited block 10 outside 9,11 front end face of slide cartridge is connected with roll shaft 13, roll shaft 13
Two pressing roller 14 are socketed with above two conveyer belts 7 outside, throw rod 21, two limited blocks, 10 inside one are connected between two slide cartridges 11
End is connected with switch fixing casing 33, trigger switch 38 is connected with below switch fixing casing 33,21 upper surface of throw rod is in touching
Second spring 22 is connected with immediately below hair switch 38,22 top of second spring and 38 lower end of trigger switch connect, the base
1 rear side left and right two of seat is connected with support column 15, and 15 top of support column is connected with motor housing 16, and 16 front end face of motor housing is hinged with
Chamber door 16-3 is connected with the second motor 17 on 16 inner roof wall of motor housing, and second motor 17 is twin shaft output, and front side is defeated
Turntable 18 is connected on shaft, 18 front end face outer rim of turntable is connected with the first drive rod 19, and 19 front end of the first drive rod is inserted
20 upper end of the second drive rod is connect, hingedly punch 20 lower end of the second drive rod threading needle 23, and the punching threading needle 23 is from motor housing
It is pierced by and is located at right above through slot 8-1 in 16,23 bottom end of punching threading needle is equipped with pinprick 23-1, when the second motor 17 rotates
When, turntable 18 rotates and drives punching threading needle 23 to move up and down by the first drive rod 19 and the second drive rod 20, can be simultaneously
It is punched and is threaded, the 16 inner bottom surface front of motor housing is connected with first coil axis 24-1, first coil axis 24-1 housing
It is connected to first coil 24,16 inner bottom surface of motor housing is equipped with outlet hole 16-1 on rear side of first coil axis 24-1, in first coil 24
It is wound with cord, upper cord extends downwardly out of outlet hole 16-1 and after pinprick 23-1, second motor 17
It is connected with upper driving wheel 25 on the output shaft of side, opening 16-2,8 lower end surface of horizontal support plate are equipped on rear side of 16 lower end surface of motor housing
It is connected with fixed frame 26 in the lower rear of punching threading needle 23, connecting shaft 27,27 rear end of connecting shaft are plugged on fixed frame 26
It is connected with lower driving wheel 28, by being connected across the transmission belt 29 of opening 16-2 between upper driving wheel 25 and lower driving wheel 28, institute
It states 27 front end of connecting shaft and is connected with connection frame 30 and the second coil axis 31-1,30 front end of connection frame is connected with rotating shuttle 32, the
It is socketed with the second coil 31 on two coil axis 31-1, lower cord is wound on the second coil 31, lower cord goes out from rotating shuttle 32
It is extend out at mouthful above through slot 8-1, is connected with external power supply 34 on the left of the pedestal 1,16 top of motor housing is connected with master control
Switch 35, two trigger switch 38 of left and right are parallel connection, and first motor 3 is paper in parallel, that needs are bound with the second motor 17
It places on conveyor belt 7 and makes its right side closely left side pressing roller 14, and cord is made to be located at punching threading above through slot 8-1
Immediately below needle 23, throw rod 21 is then lifted, makes throw rod 21 that two slide cartridges 11 be driven to move up, while second spring 22 squeezes
Trigger switch 38 makes trigger switch 38 control first motor 3 and the starting of the second motor 17, when first motor 3 operates, conveyer belt 7
It drives paper to move right, while throw rod 21 can be unclamped at this time, the thickness by a pile paper itself makes 11 position of slide cartridge
It keeps, second spring 22 still can make device run with continuous extrusion trigger switch 38, while generate by support spring 12
Downward power can make two pressing roller 14 of front and back compress paper cord two sides, with guarantee punching with when suture paper it is compact
Property, when the rotation of the second motor 17, upper driving wheel 25 drives lower driving wheel 28 to rotate by transmission belt 29, and makes connecting shaft 27
Upper rotating shuttle 32 rotates, and is also moving up and down due to punching threading needle 23 at this time, and upper cord is pierced by out of pinprick 23-1, the two
Suture can be completed in cooperation, so that the automatic operation of paper punching and suture is realized, due to binding the cord sheet of paper
Body is thicker, can be sufficient filling with pinprick 23-1 and generate sufficiently large frictional force to guarantee that the upper cord threading needle 23 that can be perforated mentions
It rises, when paper is removed from right side pressing roller 14 is lower, position under the action of support spring 12 of slide cartridge 11 declines, second spring 22
Trigger switch 38 is no longer squeezed, then first motor 3 and the second motor 17 shut down, and punching and suture operation are simultaneously stopped.
In the present embodiment, it is equipped with anti-skid chequer 36 on the transmission wheel 4 and conveyer belt 7, to improve transmission wheel 4 and transmission
With the frictional force between 7.
In the present embodiment, limited cap 37 is socketed with outside the front end the second coil axis 31-1, limited cap 37 is for preventing
Second coil 31 is detached from from the second coil axis 31-1, meanwhile, limited cap 37 can be pulled out directly, in order to more renew second
Coil 31.
In the present embodiment, the connecting shaft 27 is connected with I-shaped limit sleeve 27-1 in 26 two sides of fixed frame, to prevent
Connecting shaft 27 moves left and right.
When using the present invention, the paper being bound will be needed to place on conveyor belt 7 and make the closely left side pressing of its right side
Roller 14, and cord is located above through slot 8-1 immediately below punching threading needle 23, throw rod 21 is then lifted, throw rod is made
21 two slide cartridges 11 of drive move up, while second spring 22 squeezes trigger switch 38 and trigger switch 38 is made to control first motor 3
Start with the second motor 17, conveyer belt 7, punching threading needle 23 and rotating shuttle 32 start running, and throw rod 21 are unclamped at this time, by biography
It send band 7 that paper will be driven to move right, so that two pressing roller 14 of front and back is compressed paper by the downward power that support spring 12 generates
Cord two sides, at the same punch threading needle 23 and rotating shuttle 32 cooperation complete suture, thus realize paper punching and suture from
Dynamicization operation, when paper is removed from right side pressing roller 14 is lower, position under the action of support spring 12 of slide cartridge 11 declines, and second
Spring 22 no longer squeezes trigger switch 38, then first motor 3 and the second motor 17 shut down, and punching and suture operation stop simultaneously
Only.
Claims (4)
1. a kind of teaching paper automates envelope binding device, including pedestal, conveyer belt, perforating needle and punching threading needle, feature
It is: is connected with side support plate at left and right sides of the pedestal upper surface, side support plate lower part front and rear sides are equipped with notch,
Left side side support plate left side is connected with first motor, and the first motor is twin shaft output, is connected on the output shaft of front and back
Transmission wheel, right side side support plate right side are connected with transmission wheel fixed plate, and transmission wheel fixed plate front and rear sides are connected with biography
Wheel shaft is sent, is also socketed with transmission wheel on the transmission wheel shaft, the conveyer belt shares two, each logical between the transmission wheel of two groups of front and back
It crosses a conveyer belt to be connected, and front side transmission bandwidth, in rear side conveyer belt, the side support plate top is connected with horizontal support plate,
It is equipped with through slot in the middle part of horizontal support plate, is connected with L-shaped connecting rod at left and right sides of horizontal support plate rear end face, connecting rod top is connected with
Limited block is socketed with slide cartridge in connecting rod, and connecting rod is outer that support spring, the slide cartridge are socketed between slide cartridge and limited block
Front end face is connected with roll shaft, and roll shaft is outer to be socketed with two pressing roller above two conveyer belts, is connected with throw rod between two slide cartridges, and two
Limited block inner opposite end is connected with switch fixing casing, is connected with trigger switch, the throw rod upper surface below switch fixing casing
Second spring is connected with immediately below trigger switch, second spring top and trigger switch lower end connect, after the pedestal
Side or so two is connected with support column, and support top end is connected with motor housing, and motor housing front end face is hinged with chamber door, the motor
It is connected with the second motor on case inner roof wall, second motor is twin shaft output, turntable is connected on the output shaft of front side, before turntable
End face outer rim is connected with the first drive rod, first drive rod the second drive rod of front end grafting upper end, the second drive rod lower end
Hinged punching threading needle, the punching threading needle are pierced by out of motor housing and are located at right above through slot, the punching threading needle bottom
End is equipped with pinprick, and motor housing inner bottom surface front is connected with first coil axis, and first coil outer shaft sleeve is connected to first coil, electricity
Cabinet inner bottom surface is equipped with outlet hole on rear side of first coil axis, is connected with upper driving wheel on output shaft on rear side of second motor,
It is equipped with opening on rear side of motor housing lower end surface, the horizontal support plate lower end surface is connected with fixed frame in punching rear under threading needle, Gu
Determine to be plugged with connecting shaft on frame, the connection shaft rear end is connected with lower driving wheel, by wearing between upper driving wheel and lower driving wheel
The transmission band connection of opening is crossed, the connecting shaft front end is connected with connection frame and the second coil axis, and the connection frame front end is affixed
There is rotating shuttle, the second coil is socketed on the second coil axis, is connected with external power supply on the left of the pedestal, motor housing top is connected with
Total control switch, two trigger switch of left and right are parallel connection, and first motor is in parallel with the second motor.
2. a kind of teaching according to claim 1 with paper automate envelope binding device, it is characterised in that: the transmission wheel with
Anti-skid chequer is equipped on conveyer belt.
3. a kind of teaching according to claim 1 paper automates envelope binding device, it is characterised in that: second coil
Axis is socketed with limited cap outside front end.
4. a kind of teaching according to claim 1 with paper automate envelope binding device, it is characterised in that: the connecting shaft in
Fixed frame two sides are connected with I-shaped limit sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910465514.7A CN110143078B (en) | 2019-05-30 | 2019-05-30 | Teaching is with automatic device of ordering of sealing of paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910465514.7A CN110143078B (en) | 2019-05-30 | 2019-05-30 | Teaching is with automatic device of ordering of sealing of paper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110143078A true CN110143078A (en) | 2019-08-20 |
| CN110143078B CN110143078B (en) | 2020-10-20 |
Family
ID=67590037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910465514.7A Active CN110143078B (en) | 2019-05-30 | 2019-05-30 | Teaching is with automatic device of ordering of sealing of paper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110143078B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111823747A (en) * | 2020-08-14 | 2020-10-27 | 安徽信息工程学院 | Test paper line dress automatics |
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| CN206416714U (en) * | 2017-01-09 | 2017-08-18 | 铜仁学院 | It is a kind of to punch and the integrated test paper binding machine of suture |
| CN207579378U (en) * | 2017-11-30 | 2018-07-06 | 张金文 | A kind of accounting card punch |
| CN207643987U (en) * | 2017-12-15 | 2018-07-24 | 长安大学 | The binding apparatus of dress paper volume is ordered in a kind of automatic routing |
| CN108454256A (en) * | 2018-04-02 | 2018-08-28 | 青岛理工大学 | Automatic punching threads binder |
| CN207955059U (en) * | 2018-03-15 | 2018-10-12 | 曾永发 | Archives binding apparatus |
| CN108995423A (en) * | 2018-09-04 | 2018-12-14 | 陈军 | Attachment means and file |
| CN208855258U (en) * | 2018-08-24 | 2019-05-14 | 张本松 | A kind of teacher's paper self-binder |
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- 2019-05-30 CN CN201910465514.7A patent/CN110143078B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206416714U (en) * | 2017-01-09 | 2017-08-18 | 铜仁学院 | It is a kind of to punch and the integrated test paper binding machine of suture |
| CN207579378U (en) * | 2017-11-30 | 2018-07-06 | 张金文 | A kind of accounting card punch |
| CN207643987U (en) * | 2017-12-15 | 2018-07-24 | 长安大学 | The binding apparatus of dress paper volume is ordered in a kind of automatic routing |
| CN207955059U (en) * | 2018-03-15 | 2018-10-12 | 曾永发 | Archives binding apparatus |
| CN108454256A (en) * | 2018-04-02 | 2018-08-28 | 青岛理工大学 | Automatic punching threads binder |
| CN208855258U (en) * | 2018-08-24 | 2019-05-14 | 张本松 | A kind of teacher's paper self-binder |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111823747A (en) * | 2020-08-14 | 2020-10-27 | 安徽信息工程学院 | Test paper line dress automatics |
| CN111823747B (en) * | 2020-08-14 | 2021-08-24 | 安徽信息工程学院 | Test paper line dress automatics |
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| Publication number | Publication date |
|---|---|
| CN110143078B (en) | 2020-10-20 |
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