CN113148551B - Automatic winding device and method for student examination paper - Google Patents
Automatic winding device and method for student examination paper Download PDFInfo
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- CN113148551B CN113148551B CN202110345077.2A CN202110345077A CN113148551B CN 113148551 B CN113148551 B CN 113148551B CN 202110345077 A CN202110345077 A CN 202110345077A CN 113148551 B CN113148551 B CN 113148551B
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- test paper
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- collecting tank
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/30—Belts or like endless load-carriers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/22—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration comprising a series of co-operating units
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/60—Arrangements for supporting or guiding belts, e.g. by fluid jets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G21/00—Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors
- B65G21/10—Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors movable, or having interchangeable or relatively movable parts; Devices for moving framework or parts thereof
- B65G21/12—Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors movable, or having interchangeable or relatively movable parts; Devices for moving framework or parts thereof to allow adjustment of position of load-carrier or traction element as a whole
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
- B65H29/16—Delivering or advancing articles from machines; Advancing articles to or into piles by contact of one face only with moving tapes, bands, or chains
- B65H29/18—Delivering or advancing articles from machines; Advancing articles to or into piles by contact of one face only with moving tapes, bands, or chains and introducing into a pile
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
- G06M7/00—Counting of objects carried by a conveyor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/17—Nature of material
- B65H2701/176—Cardboard
Abstract
An automatic winding device for student examination papers and a method thereof, comprising a singlechip, a photoelectric switch, a nixie tube, a motor, a conveyor belt, an iron chain, a rolling gate and a control panel; the singlechip is a main controller; the photoelectric switch is used for counting the test paper; the nixie tube is used for displaying counting; one conveyor belt is used for feeding the test paper into the device, and the other conveyor belt is used for operating the device from front to back or from back to front; hoisting the device by an iron chain; the rolling gate can be used for vertically retracting the iron chain; the motor controls the conveyor belt and the rolling gate to operate; the control panel is used for controlling the whole set of device; pressing a down button in a control panel to put down the device from a ceiling to be placed beside a student, pressing a start button again, putting test papers into a conveyor belt by the student, automatically withdrawing the test papers into the device for counting, pressing a stop button by a proctor when the test papers are taken out of the device, and accumulating the number displayed on all the digital tubes of the device; the method has the characteristics of high rolling speed and accurate counting of the number of the test papers.
Description
Technical Field
The invention belongs to the technical field of test paper receiving and sending, and particularly relates to an automatic winding device and method for student examination papers.
Background
The overall development level and direction of education determine the overall level and direction of Chinese socialist modernization construction, and the competition and strength of science and education become one of the important core contents of the comprehensive competition and strength of the country. The examination is also one of the important ways for selecting and evaluating talents in China. How to improve the invigilation level of the examination and ensure the fairness of the examination becomes a very important link in the process of selecting talents.
Aiming at the invigilation level in the current stage of China, the invigilation is basically pure manual invigilation and manual rolling, invigilation teachers are responsible for rolling completely during rolling, and problems can be exposed in the process of large-scale examinations with more people, such as untimely rolling, joint meeting of examinees during rolling and the like. Aiming at a plurality of problems in rolling, the invention particularly discloses an automatic rolling device for student examination paper, which only needs a proctor to put down the device and press a start button, a student puts a test paper into a conveyor belt at one side of the device, the device automatically starts rolling, the number of the received test paper is recorded, and the teacher only needs to take out the test paper from the device and accumulate the number of the test paper displayed on all digital tubes when rolling is finished.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide the automatic winding device and the method for the student examination paper, which have the characteristics of high winding speed and accurate counting of the number of the examination paper.
In order to achieve the purpose, the invention adopts the technical scheme that: an automatic winding device for student examination papers comprises two winding gates arranged at the front and the rear of a ceiling of a classroom; the rolling gate is driven by a motor I; a set of iron chains is wound on the rolling gate; the lower ends of the two groups of iron chains are respectively connected with the hooks on the base of the conveyor belt; the conveyor belt is driven by a second motor, an automatic winding device is arranged on the conveyor belt, the conveyor belts are arranged on two sides of the automatic winding device, and the conveyor belts are driven by a third motor; a photoelectric switch is arranged between the conveyor belt and the test paper collecting tank, and a nixie tube is arranged on the shell of the automatic winding device; the photoelectric switch and the nixie tube are both electrically connected with the singlechip; the control panel controls the forward and reverse rotation of the first motor, the forward and reverse rotation of the second motor and the rotation of the third motor, and the on-off of circuits of the first motor, the second motor and the third motor are controlled by the control panel.
The photoelectric switch sends a primary pulse signal to the single chip microcomputer after the photoelectric switch cannot receive the optical signal, and the single chip microcomputer increases the count of the nixie tube by one after receiving the primary pulse signal.
The type of the single chip microcomputer is AT89C51.
The first motor and the second motor can rotate positively and negatively.
The conveyer belt be leather system conveyer belt, can send the paper into in the device.
The control panel is provided with buttons for controlling the automatic transceiver to ascend and descend, a start-stop button and buttons for controlling the automatic transceiver to run from front to back and from back to front.
A method for collecting test paper by using an automatic student examination paper winding device comprises the following steps:
before the examination is rolled, a putting-down button on a control panel is pressed, and a first motor puts down an automatic rolling device to one side of a student;
step two, when the examination is started to be rolled up, a start button on a control panel is pressed, a motor two rotates, an automatic rolling device moves towards the back row, a motor three rotates simultaneously, the test paper is sent into a test paper collecting tank from a conveying belt, and when a photoelectric switch detects one test paper, one is added to the number of a nixie tube;
step three, after the examination collection is finished, pushing a front button and a rear button on the control panel to the front and rear positions, pressing a start button, reversely rotating the motor II, operating the automatic winding device from the rear to the front, reaching the first row of seats, pressing a stop button on the control panel, taking out the test paper from the wound test paper collecting tank, adding the numbers on all the digital tubes of the device, and calculating the total number of the test paper;
and step four, after the winding is finished, pressing a winding button on the control panel, rotating the motor in the reverse direction, winding the iron chain by the winding brake, and hoisting the automatic winding device on a ceiling by the iron chain.
Compared with the prior art, the invention has the beneficial effects that:
1) According to the invention, the automatic winding device is simple to operate, the winding time of a teacher can be saved, and the winding efficiency is greatly improved.
2) According to the invention, the device can be placed at the top end when no examination is carried out, and the teaching at ordinary times is not influenced.
3) According to the invention, a teacher can better supervise students when rolling up, so that the examination is fairer and more fair.
Drawings
FIG. 1 is a schematic view of the overall installation of the automatic test paper rolling device of the invention.
Fig. 2 is a structural view of the automatic winding device of the present invention.
Fig. 3 is a schematic view of a control panel structure according to the present invention.
FIG. 4 is a flow chart of the method of the present invention.
In the figure: 1-single chip microcomputer, 2-photoelectric switch, 3-nixie tube, 4-motor III, 5-conveyor belt, 6-test paper collecting tank, 7-motor I, 8-rolling gate, 9-motor II, 10-conveyor belt and 11-iron chain.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
An automatic winding device for student examination papers comprises two winding gates 8 which are arranged at the front and the back of a ceiling of a classroom; the rolling gate 8 is driven by a first motor 7; a group of iron chains 11 are wound on the rolling gate 8; the lower ends of the two groups of iron chains 11 are respectively connected with the hooks on the base of the conveyor belt 10; the conveyor belt 10 is driven by a second motor 9, an automatic winding device is arranged on the conveyor belt 10, conveyor belts 5 are arranged on two sides of the automatic winding device, and the conveyor belts 5 are driven by a third motor 4; a photoelectric switch 2 is arranged between the conveyor belt 5 and the test paper collecting tank 6, and a nixie tube 3 is arranged on the shell of the automatic winding device; the photoelectric switch 2 and the nixie tube 3 are both electrically connected with the singlechip 1; the control panel controls the forward and reverse rotation of the first motor, the forward and reverse rotation of the second motor and the rotation of the third motor, and the on-off of circuits of the first motor, the second motor and the third motor are controlled by the control panel.
The photoelectric switch 2 sends a pulse signal to the singlechip 1 after receiving no optical signal, and the singlechip 1 counts and increases one by one after receiving the pulse signal.
The type of the singlechip 1 is AT89C51.
The motor I7 and the motor II 9 can rotate positively and negatively.
The conveyer belt 5 is a leather conveyer belt with large friction force and can convey the test paper into the device.
The control panel is provided with buttons for controlling the automatic transceiver to ascend and descend, a start-stop button and buttons for controlling the automatic transceiver to run from front to back and from back to front.
The first embodiment is as follows:
referring to fig. 1-4, an automatic winding device for student examination papers and a method thereof comprise that a winding gate 8 is installed on a ceiling of a classroom, the winding gate 8 is driven by a first motor 7, an iron chain 11 is wound on the winding gate 8, a conveyor belt 10 is hung at the lower end of the iron chain 11, a second motor 9 drives the conveyor belt 10, the automatic winding device is placed on the conveyor belt 10, conveyor belts 5 are installed on two sides of the automatic winding device, a third motor 4 drives the conveyor belt 5, a photoelectric switch 2 is installed between the conveyor belt 5 and a test paper collecting position, a digital tube 3 is installed on a field winding device shell, and the photoelectric switch 2 and the digital tube 3 are both connected to a single chip microcomputer 1.
The photoelectric switch sends a primary pulse signal to the single chip microcomputer after receiving no optical signal, and the single chip microcomputer increases the count of the nixie tube by one after receiving the primary pulse signal.
The type of the single chip microcomputer is AT89C51.
Wherein, the first motor 7 and the second motor 9 can rotate positively and negatively.
The whole device is controlled by a control panel, the control panel is provided with a control device ascending and descending button, a device starting and stopping button and buttons for the device to run from front to back and from back to front.
The working principle is as follows: before rolling, the proctor presses a put-down button on a control panel, a motor I7 drives a roller shutter 8 to rotate, an iron chain 11 puts the device down on one side of an examinee, the proctor presses a start button when rolling starts, a motor II 9 drives a conveyor belt 10 to rotate, a motor III 4 drives the conveyor belt 5 to rotate, a single chip microcomputer 1 controls a photoelectric switch 2 and a nixie tube 3 to start working, a student puts a test paper on the conveyor belt 5, the test paper is automatically fed into the device, the photoelectric switch 2 is shielded when the test paper passes through, the single chip microcomputer 1 controls the nixie tube 3 to count and add one, after the completion of rolling, the proctor presses a stop button on the control panel, the numbers on all the nixie tubes 3 are accumulated to check the number of the received test paper, finally, a take-up button on the control panel is pressed, and the motor I7 drives the roller shutter 8 to wind the iron chain 11 to take back the device on a ceiling.
Example two:
referring to fig. 1-4, an automatic winding device for student examination papers and a method thereof comprise that a winding gate 8 is installed on a ceiling of a classroom, the winding gate 8 is driven by a first motor 7, an iron chain 11 is wound on the winding gate 8, a conveyor belt 10 is hung at the lower end of the iron chain 11, a second motor 9 drives the conveyor belt 10, the automatic winding device is placed on the conveyor belt 10, conveyor belts 5 are installed on two sides of the automatic winding device, a third motor 4 drives the conveyor belt 5, a photoelectric switch 2 is installed between the conveyor belt 5 and a test paper collecting position, a digital tube 3 is installed on a field winding device shell, and the photoelectric switch 2 and the digital tube 3 are both connected to a single chip microcomputer 1.
The photoelectric switch sends a primary pulse signal to the single chip microcomputer after receiving no optical signal, and the single chip microcomputer increases the count of the nixie tube by one after receiving the primary pulse signal.
The type of the single chip microcomputer is AT89C51.
Wherein, the first motor 7 and the second motor 9 can rotate positively and negatively.
The whole device is controlled by a control panel, the control panel is provided with a control device ascending and descending button, a device starting and stopping button and buttons for the device to run from front to back and from back to front.
Wherein, the start button on the control panel is a delay switch, and the delay time is the time when the second motor 9 sends the devices on the conveyor belt 10 from front to back or from back to front.
Wherein the front-to-back toggle button on the control panel automatically changes from back to front when the device is placed in the last row of the classroom and from front to back when the device is placed in the first row.
The working principle is as follows: before rolling, a prisoner presses a release button on a control panel, a motor I7 drives a roll gate 8 to rotate, an iron chain 11 puts the device down on one side of an examinee, the prisoner presses a start button when rolling starts, a motor II 9 drives a conveyor belt 10 to rotate, a motor III 4 drives the conveyor belt 5 to rotate, a singlechip 1 controls a photoelectric switch 2 and a nixie tube 3 to start working, a student puts test papers on the conveyor belt 5, the test papers are automatically fed into the device, the photoelectric switch 2 is shielded when the test papers pass through, the singlechip 1 controls the nixie tube 3 to count and add one, the device automatically stops after all the test papers are collected, the prisoner only needs to take out the test papers, numbers on all the nixie tubes 3 are accumulated to check the number of the collected test papers, finally a folding button on the control panel is pressed, and the motor I7 drives the roll gate 8 to wind the iron chain 11 to place the device on a ceiling.
A method for collecting test paper by using an automatic student examination paper winding device comprises the following steps:
before the examination is rolled up, a put-down button on a control panel is pressed, and a motor I7 puts down an automatic rolling device to one side of a seat on which a student sits;
step two, when the examination is started to be rolled up, a start button on a control panel is pressed, a motor II 9 rotates, the automatic rolling device moves towards the back row, a motor III 4 rotates at the same time, the test paper is conveyed into a test paper collecting tank 6 from a conveying belt 5, and when the photoelectric switch 2 detects one test paper, the number of the nixie tube 3 is increased by one;
step three, after the examination collection is finished, pushing a front button and a rear button on the control panel to the front and rear positions, pressing a start button, reversely rotating the motor II 9, operating the automatic winding device from the rear to the front, reaching the first row of seats, pressing a stop button on the control panel, taking out the test paper from the wound test paper collecting tank, adding the numbers on all the devices of the digital tubes 3, and calculating the total number of the test paper;
and step four, after the winding is finished, pressing a winding button on the control panel, reversely rotating the motor I7, winding the iron chain 11 by the winding brake 8, and hoisting the automatic winding device on a ceiling by the iron chain 11.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (4)
1. An automatic winding device for examination papers of students is characterized by comprising two winding gates (8) which are arranged at the front and the back of a ceiling of a classroom; the rolling gate (8) is driven by a first motor (7); a group of iron chains (11) is wound on the rolling gate (8); the lower ends of the two groups of iron chains (11) are respectively connected with hooks on the base of the conveyor belt (10) to lift the conveyor belt (10); the conveying belt (10) is driven by a second motor (9), a test paper collecting groove is formed in the conveying belt (10), conveying belts (5) are mounted on two sides of the test paper collecting groove, and the conveying belts (5) are driven by a third motor (4); a photoelectric switch (2) is arranged between the conveyor belt (5) and the test paper collecting tank (6), and a digital tube (3) is arranged on the shell of the test paper collecting tank; the photoelectric switch (2) and the digital tube (3) are electrically connected with the singlechip (1); the control panel controls the forward and reverse rotation of the first motor (7), the forward and reverse rotation of the second motor (9) and the rotation of the third motor (4), and the on-off of circuits of the first motor (7), the second motor (9) and the third motor (4) are controlled by the control panel;
the photoelectric switch (2) sends a primary pulse signal to the singlechip (1) after receiving no optical signal, and the singlechip (1) controls the nixie tube (3) to count and add one after receiving the primary pulse signal;
the conveying belt (5) is a leather conveying belt and conveys the test paper into the test paper collecting tank.
2. The automatic winding device for student examination papers according to claim 1, wherein the type of the single chip microcomputer (1) is AT89C51.
3. The automatic winding device for student examination papers according to claim 1, wherein the control panel is provided with a button for controlling the ascending and descending of the test paper collecting tank, a start-stop button, and a button for controlling the running of the test paper collecting tank from front to back and from back to front.
4. The method for collecting the test paper by using the automatic test paper winding device for the students as claimed in claim 1, which is characterized by comprising the following steps:
before the examination is rolled up, a put-down button on a control panel is pressed, and a first motor (7) puts down a test paper collecting tank to one side of a student;
step two, when the examination is started to be rolled up, a start button on a control panel is pressed, a motor II (9) rotates to move the test paper collecting tank to the back row, a motor III (4) rotates to send the test paper into the test paper collecting tank (6) from a conveyor belt (5), and when a photoelectric switch (2) detects one test paper, a digital tube (3) adds one to the number;
step three, after the examination collection is finished, pushing a front button and a rear button on the control panel to the rear and the front positions, pressing a start button, reversely rotating a motor II (9), operating the test paper collecting tank from the rear to the front, reaching the first row of seats, pressing a stop button on the control panel, taking out the test paper from the rolled test paper collecting tank, adding the numbers on all the digital tubes (3) of the device, and calculating the total number of the test paper;
step four, after rolling is finished, pressing down a packing-up button on the control panel, reversely rotating the motor I (7), rolling up the iron chain (11) by the rolling brake (8), and hoisting the test paper collecting tank by the iron chain (11) to place the test paper collecting tank on a ceiling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110345077.2A CN113148551B (en) | 2021-03-31 | 2021-03-31 | Automatic winding device and method for student examination paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110345077.2A CN113148551B (en) | 2021-03-31 | 2021-03-31 | Automatic winding device and method for student examination paper |
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| Publication Number | Publication Date |
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| CN113148551A CN113148551A (en) | 2021-07-23 |
| CN113148551B true CN113148551B (en) | 2023-02-24 |
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| CN202110345077.2A Active CN113148551B (en) | 2021-03-31 | 2021-03-31 | Automatic winding device and method for student examination paper |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009080570A (en) * | 2007-09-25 | 2009-04-16 | Brother Ind Ltd | Tag tape roll manufacturing apparatus |
| CN202098156U (en) * | 2011-04-07 | 2012-01-04 | 竹山县文状元科技发展有限公司 | Environmentally friendly pencil holder coiling machine |
| CN204071118U (en) * | 2014-08-08 | 2015-01-07 | 施萌 | The examination desk that a kind of automatic winding also sorts |
| CN106768241A (en) * | 2016-11-09 | 2017-05-31 | 浙江优格厨电有限公司 | Inhale integrated kitchen range and its operation method in touch intelligent side |
| CN209113171U (en) * | 2018-11-07 | 2019-07-16 | 深圳市恒兴安实业有限公司 | A kind of band protective film metallic data plate automatically upper volume and detection device |
| CN110639830A (en) * | 2019-09-16 | 2020-01-03 | 陕西科技大学 | Full-automatic production line for powder metallurgy pressed compact detection coded disc and working method thereof |
| CN110788117A (en) * | 2019-10-31 | 2020-02-14 | 太仓北新建材有限公司 | Automatic paper device about separation waste board |
| CN111016492A (en) * | 2019-12-19 | 2020-04-17 | 济南工程职业技术学院 | Examination is with coiling mechanism |
| CN211109680U (en) * | 2019-11-15 | 2020-07-28 | 新乡市布瑞克斯机械有限公司 | Belt conveying device for collecting and guiding test paper |
| CN111573202A (en) * | 2020-06-08 | 2020-08-25 | 上海仕泽智能科技有限公司 | Automatic conveying and collecting device for cigarette packets |
-
2021
- 2021-03-31 CN CN202110345077.2A patent/CN113148551B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009080570A (en) * | 2007-09-25 | 2009-04-16 | Brother Ind Ltd | Tag tape roll manufacturing apparatus |
| CN202098156U (en) * | 2011-04-07 | 2012-01-04 | 竹山县文状元科技发展有限公司 | Environmentally friendly pencil holder coiling machine |
| CN204071118U (en) * | 2014-08-08 | 2015-01-07 | 施萌 | The examination desk that a kind of automatic winding also sorts |
| CN106768241A (en) * | 2016-11-09 | 2017-05-31 | 浙江优格厨电有限公司 | Inhale integrated kitchen range and its operation method in touch intelligent side |
| CN209113171U (en) * | 2018-11-07 | 2019-07-16 | 深圳市恒兴安实业有限公司 | A kind of band protective film metallic data plate automatically upper volume and detection device |
| CN110639830A (en) * | 2019-09-16 | 2020-01-03 | 陕西科技大学 | Full-automatic production line for powder metallurgy pressed compact detection coded disc and working method thereof |
| CN110788117A (en) * | 2019-10-31 | 2020-02-14 | 太仓北新建材有限公司 | Automatic paper device about separation waste board |
| CN211109680U (en) * | 2019-11-15 | 2020-07-28 | 新乡市布瑞克斯机械有限公司 | Belt conveying device for collecting and guiding test paper |
| CN111016492A (en) * | 2019-12-19 | 2020-04-17 | 济南工程职业技术学院 | Examination is with coiling mechanism |
| CN111573202A (en) * | 2020-06-08 | 2020-08-25 | 上海仕泽智能科技有限公司 | Automatic conveying and collecting device for cigarette packets |
Non-Patent Citations (1)
| Title |
|---|
| 网络化计算机考试系统中的试卷分发和答案收集;黄金春，卢怀山;《广西中医学院学报》;20030430;第91-94页 * |
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| CN113148551A (en) | 2021-07-23 |
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