CN113786065A

CN113786065A - Education examination desk

Info

Publication number: CN113786065A
Application number: CN202110892694.4A
Authority: CN
Inventors: 叶晓俊
Original assignee: Individual
Current assignee: Shenzhen Binsheng Technology Co ltd
Priority date: 2021-08-04
Filing date: 2021-08-04
Publication date: 2021-12-14
Anticipated expiration: 2041-08-04
Also published as: CN113786065B

Abstract

The invention discloses a desk for education and examination, which comprises a shell and a desk flip cover, wherein an opening and closing mechanism is arranged in the desk flip cover, a book feeding mechanism and a test paper receiving and sending mechanism are arranged in the shell, the opening and closing mechanism can be locked, the book feeding mechanism can classify and lift out textbooks during daily study, the stop height of a transmission belt can be controlled by utilizing a screw slider in the book feeding mechanism, the further technical scheme is stopped, the desk can be self-locked by threads, the screw slider can rise and fall more stably, required books are conveyed to a specified height through the screw slider, the opening and closing of the desk are controlled by utilizing an electromagnet and a shielding cover, private articles are put into the shielding cover by an examinee, the students are prevented from cheating by utilizing electronic equipment, the locking of the desk is ensured by the on-off of the electromagnet, the test paper can be automatically received and sent by utilizing a designed test paper conveying belt, thereby make every examinee can both take the paper simultaneously, can drive the peep-proof board and rise when sending the paper, let self more concentrate on and answer the examination.

Description

Education examination desk

Technical Field

The invention relates to the field of education systems, in particular to a desk for an education examination.

Background

At present desk function singleness in stage, books arrangement is mixed and disorderly in many times, hardly accurately find the books that will look for, when the examination, the desk often also can become the instrument that examinee cheated and stealed, if there is electronic equipment supplementary, will influence the fairness of examination, examinee expects in the examination hall easily east simultaneously, some can smuggle some data secretly even, then just some examinee's examination end does not have and stops a pen immediately, also unfair other examinees, and there is successively in the artifical examination paper of sending out of general examination, the time of examinee's time filling information of rear end is also still less.

Disclosure of Invention

The invention aims to provide an educational examination desk which is used for overcoming the defects in the prior art.

The invention relates to an education examination desk, which comprises a shell and a desk flip, wherein the shell is connected with the desk flip through a rotating connecting rod, a pencil sharpener cavity and a stationery storage cavity are arranged in the desk flip, an eraser scrap collecting cavity is arranged in the right end wall of the stationery storage cavity, a sundries storage cavity is arranged in the lower end wall of the pencil sharpener cavity, a textbook storage cavity is arranged in the lower end wall of the sundries storage cavity, a deflector rod sliding cavity is arranged in the upper end wall of the textbook storage cavity, a shielding cavity is arranged in the right end wall of the sundries storage cavity, a book feeding transmission cavity is arranged in the lower end wall of the textbook storage cavity, a test paper storage cavity is arranged in the lower end wall of the book feeding transmission cavity, an operating cavity is arranged in the right end wall of the test paper storage cavity, a storage area is arranged in the lower end wall of the test paper storage cavity, a clamping plate cavity is arranged in the upper end wall of the clamping plate cavity, a pair of storage area supporting plates which are symmetrical front and back is arranged in the connecting rod lead wire motor cavity, a clamping cavity is arranged in the lower end wall of the desk flip cover, a front-back symmetrical clamping spring cavity is arranged in the clamping cavity, an opening and closing mechanism is arranged in the desk flip cover, a book feeding mechanism and a test paper receiving and sending mechanism are arranged in the shell, the opening and closing mechanism can be locked, and the book feeding mechanism can classify and lift textbooks during daily learning;

the examination paper receiving and sending mechanism comprises a baffle mechanism which can enable an examination baffle to ascend and descend, a test paper conveying motor is fixedly connected to the right end wall of the operation cavity, the test paper conveying motor is in power connection with a test paper conveying shaft, the test paper conveying shaft is connected with a tensioning belt wheel through a test paper conveying belt, the tensioning belt wheel is connected with a test paper conveying rod located in the lower end wall of the operation cavity through the test paper conveying belt, the test paper conveying rod is connected with the tensioning belt wheel located in the left end wall through the test paper conveying belt, the tensioning belt wheel is connected with a magnetic clamping plate located in a desk flip through the test paper conveying belt, lead holes which are bilaterally symmetrical are arranged in the upper end wall of the magnetic clamping plate and are connected with lead motor shafts through flexible steel cables, the lead motor shafts are fixedly connected with a clamping plate lead collecting baffle of a lead motor, when the test paper is collected, the test paper conveying motor is started, and the magnetic clamping plate is clamped, electrified magnet's buckle circular telegram, electrified magnet's buckle receives the attraction and withdraws the intracavity, and test paper conveying motor drives the test paper transportation area downstream that is fixed with the test paper, and when sending out the test paper, splint lead wire motor can drive test paper transportation area at test paper transportation intracavity upward movement to drive the test paper and accomplish the receiving and dispatching of test paper.

Further technical scheme, baffle mechanism includes that the baffle that is equipped with in the casing deposits the chamber, the baffle is deposited the intracavity and is equipped with the peep-proof baffle, peep-proof baffle sliding connection has the guiding axle, be equipped with in the lower endwall of peep-proof baffle, be equipped with the cable wire fixed pulley of symmetry in the endwall of the left and right sides, be equipped with main fixed pulley in the casing, main fixed pulley fixedly connected with flexible cable wire.

A further technical scheme, the mechanism that opens and shuts includes the pencil sharpener motor that is equipped with in the wall of pencil sharpener chamber lower end, sharpener motor power is connected with sharpener motor output shaft, sharpener motor output shaft fixedly connected with sharpener fixed block, sharpener fixed block fixedly connected with roll blade, in the wall of pencil sharpener chamber right side be equipped with the circular telegram baffle in the electrically conductive groove of elasticity, be equipped with stationery storage chamber in the desk flip, the rotatable connecting rod that rotates of desk flip fixedly connected with, it is equipped with the rubber bits and collects the chamber to rotate the connecting rod below, fixedly connected with metal buckle in the wall of desk flip lower end.

According to the technical scheme, a buckle fixing shaft is arranged in the buckle cavity, a buckle is fixedly connected with the buckle, a buckle spring is arranged in the lower end wall of the buckle and the table cover buckle cavity, a buckle stop block is slidably connected to the upper end wall of the table cover buckle cavity, a buckle spring is arranged in the buckle stop block and the left end wall of the table cover buckle cavity, and a buckle spring cavity is arranged in the upper end wall of the table cover buckle cavity.

According to the technical scheme, an electromagnet is arranged in the upper end wall of the buckle spring cavity, a buckle spring baffle plate which is connected with the buckle spring cavity in a sliding mode is arranged in the buckle spring cavity, a buckle reset spring is arranged between the buckle spring baffle plate and the upper end wall of the buckle spring cavity, a positioning shaft sleeve is arranged on the periphery of the buckle reset spring, and a buckle ejector rod is fixedly connected with the buckle spring baffle plate.

According to the technical scheme, the desk flip cover is fixedly connected with a flexible steel cable, the flexible steel cable is fixedly connected with a shielding cavity fixing block, and the shielding cavity fixing block is fixedly connected with a shielding cavity upper end cover.

According to the technical scheme, the book feeding mechanism comprises a book feeding motor fixed to the upper end wall of a book feeding sliding block guide rail, the book feeding motor is in power connection with a screw rod, the screw rod is in rolling connection with a screw rod sleeve, the screw rod sleeve is located at one end of a book storage cavity and fixedly connected with a book conveying belt wheel, the screw rod sleeve is fixedly connected with a connecting rod rotating shaft, the connecting rod rotating shaft is fixedly connected with a book feeding connecting rod, the book feeding connecting rod is fixedly connected with a book feeding sliding block in sliding connection with the book feeding sliding block guide rail, and the screw rod sleeve is fixedly connected with a linkage driving lever.

According to the technical scheme, the linkage driving lever is connected to the driving lever sliding cavity in a sliding mode, one end, located in the sundries storage cavity, of the linkage driving lever is fixedly connected with a book placing plate sliding block, the book placing plate sliding block is fixedly connected with a book placing plate connecting rod, the book placing plate connecting rod is fixedly connected with a book placing plate, the book placing plate fixedly connected with a rotatable book placing plate connecting shaft is connected with the book placing plate, and a conveyor belt motor is arranged in the right end wall of the conveyor belt cavity.

The invention has the beneficial effects that: the height of the stop of the transmission belt can be controlled by utilizing the screw rod sliding block, the self-locking can be realized by depending on the screw thread during the stop, no additional starting and stopping device is needed, the screw rod sliding block can enable the lifting and the falling to be more stable, the required books are conveyed to the designated height through the screw rod sliding block, the transmission belt runs, the books are conveyed to the designated platform, and the situation that the books are disordered and difficult to find is reduced;

the invention utilizes the electromagnet and the shielding case to control the opening and closing of the desk, and the examinee puts personal articles into the shielding case to prevent the students from cheating by utilizing electronic equipment;

the test paper transportation area of utilization design can receive and dispatch the test paper automatically to make every examinee can both take the test paper simultaneously, can drive the peep-proof board and rise when sending the test paper, block other examinee's eyesight, also can let self more be absorbed in simultaneously and answer the examination.

Drawings

FIG. 1 is a schematic view of the overall structure of a desk for educational examination according to the present invention;

FIG. 2 is a schematic view of A-A of FIG. 1 in accordance with the present invention;

FIG. 3 is a schematic view of B-B of FIG. 1 in accordance with the present invention;

FIG. 4 is a schematic view of C-C of FIG. 1 in accordance with the present invention;

FIG. 5 is a schematic view of D-D of FIG. 2 in accordance with the present invention;

FIG. 6 is a schematic representation of E-E of FIG. 1 in accordance with the present invention;

FIG. 7 is a partial cross-sectional view of FIG. 1 of the present invention;

FIG. 8 is an enlarged view of a portion of FIG. 7 of the present invention;

FIG. 9 is an enlarged view of a portion of FIG. 1 of the present invention;

fig. 10 is an enlarged view of a portion of fig. 1 of the present invention.

Detailed Description

For purposes of making the objects and advantages of the present invention more apparent, the following detailed description of the invention, taken in conjunction with the examples, should be understood that the following text is intended only to describe an educational examination desk or several specific embodiments of the invention, and not to strictly limit the scope of the invention as specifically claimed, as used herein, the terms top, bottom, left and right are not limited to strict geometric definitions thereof, but rather include tolerances for reasonable and inconsistent machining or human error, the following detailed description of specific features of the educational examination desk:

referring to fig. 1 to 10, an educational examination desk according to an embodiment of the present invention includes

A machine shell 10 and a desk turnover cover 35, wherein the machine shell 10 is connected with the desk turnover cover 35 through a rotating connecting rod 37, a pencil sharpener cavity 42 and a stationery storage cavity 39 are arranged in the desk turnover cover 35, an eraser scrap collecting cavity 36 is arranged in the right end wall of the stationery storage cavity 39, a sundries storage cavity 18 is arranged in the lower end wall of the pencil sharpener cavity 42, a textbook storage cavity 40 is arranged in the lower end wall of the sundries storage cavity 18, a deflector rod sliding cavity 71 is arranged in the upper end wall of the textbook storage cavity 40, a shielding cavity 30 is arranged in the right end wall of the sundries storage cavity 18, a book feeding transmission cavity 23 is arranged in the lower end wall of the textbook storage cavity 40, a test paper storage cavity 57 is arranged in the lower end wall of the book feeding transmission cavity 23, an operation cavity 28 is arranged in the right end wall of the test paper storage cavity 57, a storage area 14 is arranged in the lower end wall of the test paper storage cavity 57, a clamp plate cavity 84 is arranged in the upper end wall of the machine shell 10, a pair of lead wire motor cavities 69 which are symmetrical front and back is arranged in the upper end wall of the clamp plate cavity 84, a clamping cavity 59 is arranged in the lower end wall of the desk turnover cover 35, a front-back symmetrical clamping spring cavity 64 is arranged in the clamping cavity 59, an opening-closing mechanism 75 is arranged in the desk turnover cover 35, a book loading mechanism 76 and a test paper receiving and sending mechanism 77 are arranged in the shell 10, the opening-closing mechanism 75 can be locked, and the book loading mechanism 76 can classify and lift textbooks during daily learning;

the examination paper receiving and sending mechanism 77 comprises a baffle mechanism 78 capable of enabling an examination baffle to ascend and descend, a test paper conveying motor 88 is fixedly connected to the right end wall of the operation cavity 28, a test paper conveying shaft 85 is in power connection with the test paper conveying motor 88, the test paper conveying shaft 85 is connected with a tensioning belt wheel 15 through a test paper conveying belt 11, the tensioning belt wheel 15 is connected with a test paper conveying rod 87 positioned in the lower end wall of the operation cavity 28 through the test paper conveying belt 11, the test paper conveying rod 87 is connected with the tensioning belt wheel 15 positioned in the left end wall through the test paper conveying belt 11, the tensioning belt wheel 15 is connected with a magnetic clamp plate 81 positioned in the desk turnover cover 35 through the test paper conveying belt 11, lead holes 80 which are symmetrical left and right are arranged in the upper end wall of the magnetic clamp plate 81 and connected with lead motor shafts 90 through flexible steel cables 93, the lead motor shafts 90 are fixedly connected with clamp plate lead collecting baffles 91, the test paper conveying motor 88 and the clamp plate lead motor 89 can drive the test paper conveying belt 11 to move up and down in the test paper conveying cavity 13, so that the test paper is driven and the receiving and sending of the test paper are completed.

Beneficially or exemplarily, the baffle mechanism 78 includes a baffle storing cavity 98 disposed in the housing 10, a peep-proof baffle 96 disposed in the baffle storing cavity 98, a guide shaft 95 slidably connected to the peep-proof baffle 96, a cable cavity 99 disposed in a lower end wall of the peep-proof baffle 96, symmetrical cable fixed pulleys 92 disposed in left and right end walls of the cable cavity 99, a main fixed pulley 94 disposed in the housing 10, and the flexible cable 93 fixedly connected to the main fixed pulley 94.

Beneficially or exemplarily, the opening and closing mechanism 75 includes a sharpener motor 49 disposed in the lower end wall of the pencil sharpener cavity 42, the sharpener motor 49 is in power connection with a sharpener motor output shaft 44, the sharpener motor output shaft 44 is fixedly connected with a sharpener fixing block 48, the sharpener fixing block 48 is fixedly connected with a rolling blade 45, an energizing guide plate is disposed in the elastic conductive groove 41 in the right end wall of the pencil sharpener cavity 42, a stationery storage cavity 39 is disposed in the desk flip 35, the desk flip 35 is fixedly connected with a rotatable rotating link 37, an eraser scrap collecting cavity 36 is disposed below the rotating link 37, a metal buckle 58 is fixedly connected in the lower end wall of the desk flip 35, a buckle fixing shaft 43 is disposed in the buckle cavity 59, a buckle 34 is fixedly connected with the buckle fixing shaft 43, and a buckle spring 38 is disposed in the buckle 34 and the lower end wall of the desk cover buckle cavity 17, a buckle check block 33 is connected in the upper end wall of the table cover lock cavity 17 in a sliding manner, a buckle spring 38 is arranged in the buckle check block 33 and the left end wall of the table cover lock cavity 17, a buckle spring cavity 64 is arranged in the upper end wall of the table cover lock cavity 17, an electromagnet 60 is arranged in the upper end wall of the buckle spring cavity 64, a buckle spring baffle 63 connected with the buckle spring cavity 64 in a sliding manner is arranged in the buckle spring cavity 64, a buckle reset spring 61 is arranged between the buckle spring baffle 63 and the upper end wall of the buckle spring cavity 64, a positioning shaft sleeve 62 is arranged around the buckle reset spring 61, a buckle ejector rod 65 is fixedly connected with the buckle spring baffle 63, a flexible steel cable 93 is fixedly connected with the table cover 35, a shielding cavity fixing block 31 is fixedly connected with the flexible steel cable 93, a shielding cavity upper end cover 32 is fixedly connected with the shielding cavity fixing block 31, and a pencil is placed in the pencil sharpener cavity 42, the pencil sharpener cavity 42 moves rightwards, the electrified guide plate is powered by the electrotome motor 49 to start output power, after the desk flip 35 is unlocked through identification, the electromagnet 60 is started to attract the buckle spring baffle 63 to approach, so that the desk flip 35 is opened, the desk flip 35 pulls the flexible steel cable 93 to drive the shielding cavity upper end cover 32 to be opened, an examinee can put personal articles in, and the metal buckle 58 is fixedly clamped by the lock catch 34 after the examinee closes again, so that the sundries storage cavity 18 and the shielding cavity 30 are closed.

Beneficially or exemplarily, the book loading mechanism 76 includes a book loading motor 56 fixed to the upper end wall of the book loading slider guide 55, the book loading motor 56 is in power connection with a screw rod 19, the screw rod 19 is in rolling connection with a screw sleeve 53, one end of the screw sleeve 53 located in the book storage cavity 40 is fixedly connected with a book conveying belt wheel 52, the screw sleeve 53 is fixedly connected with a connecting rod rotating shaft 22, the connecting rod rotating shaft 22 is fixedly connected with a book loading connecting rod 21, the book loading connecting rod 21 is fixedly connected with a book loading slider 20 slidably connected to the book loading slider guide 55, the screw sleeve 53 is fixedly connected with a linkage shift lever 24, the linkage shift lever 24 is slidably connected to a shift lever sliding cavity 71, one end of the linkage shift lever 24 located in the sundries storage cavity 18 is fixedly connected with a book placing plate slider 25, the book placing plate slider 25 is fixedly connected with a book placing plate connecting rod 26, the book placing plate connecting rod 26 is fixedly connected with a book placing plate 27, the book placing plate 27 is fixedly connected with a rotatable book placing plate connecting shaft 50, a conveyor belt motor 68 is arranged in the right end wall of a conveyor belt cavity 66, the conveyer belt motor 68 is connected with the conveyer belt shaft 67 through power, the textbook conveyer belt 54 is driven by the textbook conveyer belt 52, the screw rod 19 can be driven to rotate by starting the book feeding motor 56, the screw rod 19 rotates to enable the screw rod sleeve 53 to ascend to drive the linkage deflector rod 24 to move upwards, thereby, the book placing plate sliding block 25 is pushed to move upwards to enable the book placing plate 27 to be unfolded, the upper end cover 70 of the storage cavity is opened, the book placing plate 27 is completely unfolded, meanwhile, the upper end cover 70 of the storage cavity is just completely opened, at the moment, the conveyor belt motor 68 is started to convey books to the book placing plate 27, the book feeding motor 56 is started after the books are taken out, and the book placing plate 27, the upper end cover 70 of the storage cavity and the screw sleeve 53 move downwards simultaneously.

The invention relates to a desk for education examination, which has the following working procedures:

in the initial state, the desk flip 35 is closed, the elastic conductive groove 41, the buckle return spring 61, the buckle spring 38, the clamp plate return spring 82 and the buckle fixing block 47 are in the relaxed state, the electromagnet 60 is in the non-activated state, the flexible steel cable 93 is in the relaxed state, the book loading slider 20 is positioned at the farthest position from the left to the right, the book placing slider 25 is positioned at the lowest side, the upper end cover 70 of the storage cavity is contacted with the end wall 51 of the textbook storage cavity, the test paper and the magnetic clamp plate 81 are positioned between the tension belt wheel shaft 16 and the test paper conveying rod 87, and the upper end cover 32 of the shielding cavity is contacted with the baffle 29 of the shielding cavity.

If the student is in daily use, firstly, the identity recognition in the desk flip 35 is closed, the electromagnet 60 is electrified, the desk flip 35 is opened, the book feeding motor 56 is started, the screw rod 19 is driven to rotate, the screw rod sleeve 53 is driven to ascend, the linkage deflector rod 24 is driven to move upwards, the book placing plate sliding block 25 is driven to move upwards, the book placing plate connecting rod 26 and the book placing plate 27 are driven to expand rightwards, the storage cavity upper end cover 70 is driven to rotate around the shaft, the storage cavity upper end cover 70 is driven to open upwards, the book conveying belt wheel 52 is made to be horizontal with the book placing plate 27, then the book feeding motor 56 is stopped, the conveying belt motor 68 is started, the conveying belt shaft 67 is driven to rotate, the book conveying belt wheel 52 is driven to rotate, the book conveying belt 54 is driven to move rightwards, the required books are prepared in advance, then the books are taken away, the book feeding motor 56 is started, the conveying belt motor 68 is stopped, the screw sleeve 53 is driven to move downward to lower the bookboard link 26 and the bookboard 27, so that the upper storage chamber end cover 70 and the end wall 51 of the textbook storage chamber form a sealed chamber.

When the device is used for an examination, the identity recognition in the desk flip cover 35 is started, the electromagnet 60 can be started only through the identity recognition, the electromagnet 60 is electrified to unlock, so that an examinee can open the desk flip cover 35, so that the flexible steel cable 93 drives the shielding cavity upper end cover 32, so that the examinee can store personal articles, meanwhile, the desk flip cover 35 successfully recognizes and the book feeding motor 56 is stopped, so that the examinee cannot open the storage cavity upper end cover 70, after the examinee closes the desk flip cover 35, the electromagnet 60 is powered off and the power-on time is counted down, the desk plate can be opened after the electromagnet 60 is powered on again, and meanwhile, the examinee is reminded of how long the examinee is away from the end of the examination, after the stationery in the examination storage cavity 39 can be used by the examinee before the examination, if a pencil can be placed in the pencil sharpener cavity 42, the eraser crumbs can be cleaned into the eraser crumbs collection cavity 36, and the eraser crumbs can be automatically collected each time, ready for the next batch of test takers.

After the examination begins, the splint lead motor 89 is started to drive the test paper conveying belt 11 to move upwards, so as to drive the test paper bag sealed with the test paper to move upwards, so as to drive the test paper to reach the upper end, so that the buckle 79 with the electromagnet pops out and is clamped, meanwhile, the flexible steel cable 93 is fixedly connected to the test paper conveying shaft 85, the splint lead motor 89 drives the test paper conveying belt 11, so that the flexible steel cable 93 is wound on the test paper conveying shaft 85, so that the peep-proof baffle 96 moves upwards along the guide shaft 95, so that the examinee can only see the own test paper to take the test, wait for the end of the examination, the examinee needs to pack the test paper into the test paper bag within a certain time, the examination end electromagnet 60 is started, the test paper conveying motor 88 is started to drive the test paper conveying belt 11 to move downwards, so that the peep-proof baffle 96 moves downwards, and when the test paper bag moves to the tensioning belt wheel shaft 16, the test paper conveying motor 88 just stops, desk flip 35 can be opened to the examinee leaves after taking away private article, and camera 83 detects the examinee and stops recording and keeps the video in examinee's examination time from the field, and invigilator's mr only need take away the paper bag in the operation chamber 28 at last, and to not stopping the pen and result in the paper not income the examination in operation chamber 28 and process according to lacking the examination.

It will be apparent to those skilled in the art that various modifications may be made to the above embodiments without departing from the general spirit and concept of the invention. All falling within the scope of protection of the present invention. The protection scheme of the invention is subject to the appended claims.

Claims

1. The utility model provides an education examination desk, includes casing and desk flip, its characterized in that: the pencil sharpener comprises a casing, a desk flip cover, a pencil sharpener cavity and a stationery storage cavity are arranged in the desk flip cover through a rotating connecting rod, an eraser scrap collecting cavity is arranged in the right end wall of the stationery storage cavity, a sundries storage cavity is arranged in the lower end wall of the pencil sharpener cavity, a textbook storage cavity is arranged on the lower end wall of the sundries storage cavity, a driving rod sliding cavity is arranged in the upper end wall of the textbook storage cavity, a shielding cavity is arranged in the right end wall of the sundries storage cavity, a book feeding transmission cavity is arranged in the lower end wall of the textbook storage cavity, a test paper storage cavity is arranged in the lower end wall of the book feeding transmission cavity, an operation cavity is arranged in the right end wall of the test paper storage cavity, a storage area is arranged in the lower end wall of the test paper storage cavity, a clamping plate cavity is arranged in the upper end wall of the casing, a pair of front-back symmetrical storage area supporting plate connecting rod rotating shaft book feeding plate connecting rod lead wire motor cavities are arranged in the upper end wall of the clamping plate cavity, a clamping cavity is arranged in the lower end wall of the desk flip cover, a front-back symmetrical clamping spring cavity is arranged in the clamping cavity, an opening and closing mechanism is arranged in the desk flip cover, a book feeding mechanism and a test paper receiving and sending mechanism are arranged in the shell, the opening and closing mechanism can be locked, and the book feeding mechanism can classify and lift textbooks during daily learning;

the examination paper receiving and sending mechanism comprises a baffle mechanism which can enable an examination baffle to ascend and descend, a test paper conveying motor is fixedly connected to the right end wall of the operation cavity, the test paper conveying motor is in power connection with a test paper conveying shaft, the test paper conveying shaft is connected with a tensioning belt wheel through a test paper conveying belt, the tensioning belt wheel is connected with a test paper conveying rod located in the lower end wall of the operation cavity through the test paper conveying belt, the test paper conveying rod is connected with the tensioning belt wheel located in the left end wall through the test paper conveying belt, the tensioning belt wheel is connected with a magnetic clamping plate located in a desk flip through the test paper conveying belt, lead holes which are bilaterally symmetrical are arranged in the upper end wall of the magnetic clamping plate and are connected with lead motor shafts through flexible steel cables, the lead motor shafts of the clamping plate lead motor are fixedly connected with a lead collecting baffle, and the test paper conveying motor and the lead motor of the clamping plate can drive the test paper conveying belt to move up and down in the test paper conveying cavity, thereby driving the test paper and completing the receiving and sending of the test paper.

2. An educational examination desk according to claim 1, wherein: the baffle mechanism includes that the baffle that is equipped with in the casing deposits the chamber, the baffle is deposited the intracavity and is equipped with the peep-proof baffle, peep-proof baffle sliding connection has the guiding axle, be equipped with in the end wall under the peep-proof baffle, be equipped with the cable wire fixed pulley of symmetry in the end wall about, be equipped with main fixed pulley in the casing, main fixed pulley fixedly connected with flexible cable wire.

3. An educational examination desk according to claim 1, wherein: the pencil sharpener comprises a pencil sharpener cavity, a pencil sharpener motor, a sharpener motor output shaft, a sharpener motor fixed block, a sharpener fixed block and a rolling blade, wherein the sharpener motor is arranged in the lower end wall of the pencil sharpener cavity, the sharpener motor output shaft is in power connection with the sharpener motor output shaft, the sharpener fixed block is fixedly connected with the rolling blade, an electrifying guide plate is arranged in an elastic conductive groove in the right end wall of the pencil sharpener cavity, a stationery storage cavity is arranged in a desk flip cover, a rotary connecting rod is fixedly connected with the desk flip cover, a rubber scrap collecting cavity is arranged below the rotary connecting rod, and a metal buckle is fixedly connected in the lower end wall of the desk flip cover.

4. An educational examination desk according to claim 3, wherein: the buckle spring clamping device is characterized in that a buckle fixing shaft is arranged in the buckle cavity, a buckle is fixedly connected with a buckle, a buckle spring is arranged in the lower end wall of the buckle and the table cover buckle cavity, a buckle stop block is slidably connected to the upper end wall of the table cover buckle cavity, a buckle spring is arranged in the left end wall of the buckle stop block and the table cover buckle cavity, and a buckle spring cavity is arranged in the upper end wall of the table cover buckle cavity.

5. The educational examination desk of claim 4, wherein: the buckle spring cavity comprises a buckle spring cavity and is characterized in that an electromagnet is arranged in the upper end wall of the buckle spring cavity, a buckle spring baffle plate which is connected with the buckle spring cavity in a sliding mode is arranged in the buckle spring cavity, a buckle reset spring is arranged between the buckle spring baffle plate and the upper end wall of the buckle spring cavity, a positioning shaft sleeve is arranged on the periphery of the buckle reset spring, and a buckle ejector rod is fixedly connected with the buckle spring baffle plate.

6. An educational examination desk according to claim 5, wherein: the desk flip fixedly connected with flexible cable wire, flexible cable wire fixedly connected with shielding chamber fixed block, shielding chamber fixed block fixedly connected with shielding chamber upper end cover.

7. The educational examination desk of claim 1, wherein: the book feeding mechanism comprises a book feeding sliding block guide rail, a book feeding motor is fixed on the upper end wall of the book feeding sliding block guide rail, the book feeding motor is in power connection with a screw, the screw is in rolling connection with a screw sleeve, the screw sleeve is located at one end, located in the book storage cavity, of a book conveying belt wheel, the screw sleeve is fixedly connected with a connecting rod rotating shaft, the connecting rod rotating shaft is fixedly connected with a book feeding connecting rod, the book feeding connecting rod is fixedly connected with a book feeding sliding block in sliding connection with the book feeding sliding block guide rail, and the screw sleeve is fixedly connected with a linkage driving lever.

8. An educational examination desk according to claim 7, wherein: the linkage driving lever is connected to the driving lever sliding cavity in a sliding mode, one end of the linkage driving lever, which is located in the sundries storage cavity, is fixedly connected with a book placing plate sliding block, the book placing plate sliding block is fixedly connected with a book placing plate connecting rod, the book placing plate connecting rod is fixedly connected with a book placing plate, the book placing plate is fixedly connected with a rotatable book placing plate connecting shaft, and a conveyor belt motor is arranged in the right end wall of the conveyor belt cavity.