阅读说明：本技术 一种试卷自动化成套装订装置 (Automatic complete binding means of paper ) 是由 冯笑平 于 2020-12-11 设计创作，主要内容包括：一种试卷自动化成套装订装置,包括固定板,固定板的下方设有两个传送台,传送台之间设有一根横向的方形管,方形管的两端封口,固定板的底面中部固定安装电推杆,电推杆的活动端固定连接活动板的顶面,活动板的上方两侧分别设有压板,活动板的顶面两侧分别开设凹槽,凹槽的内壁底面前侧分别固定连接限位板的底面,凹槽的内壁底面分别开设第一透槽,方形管的顶面开设与第一透槽一一对应的第二透槽,凹槽的内壁后面分别设有顶紧装置。本装置设有折弯装置,能够对订书针进行折弯,避免出现订书钉未完全折弯的现象,还有,试卷打孔、放针和折弯均是通过电机的运行实现的,便于进行维修和控制,成本更低。(The utility model provides a device is ordered to automatic one-tenth suit of examination paper, which comprises a fixing plate and i, the below of fixed plate is equipped with two conveying platforms, be equipped with a horizontal square pipe between the conveying platform, the both ends of square pipe are sealed, the bottom surface middle part fixed mounting electric push rod of fixed plate, the top surface of the expansion end fixed connection fly leaf of electric push rod, the top both sides of fly leaf are equipped with the clamp plate respectively, the recess is seted up respectively to the top surface both sides of fly leaf, the bottom surface of the inner wall bottom surface front side of recess fixed connection limiting plate respectively, first groove that passes through is seted up respectively to the inner wall bottom surface of recess, the top surface of square pipe is seted up and is passed through the groove with first second that. This device is equipped with bending device, can bend the staple, avoids appearing the phenomenon that the staple was bent completely, and in addition, the test paper punches, puts the needle and bends and all realize through the operation of motor, is convenient for maintain and control, and the cost is lower.)

1. The utility model provides a device is ordered to automatic one-tenth suit of examination paper, includes fixed plate (1), and the below of fixed plate (1) is equipped with two conveying platform (2), its characterized in that: a transverse square pipe (3) is arranged between the conveying tables (2), two ends of the square pipe (3) are sealed, an electric push rod (4) is fixedly installed in the middle of the bottom surface of the fixed plate (1), the movable end of the electric push rod (4) is fixedly connected with the top surface of the movable plate (5), pressing plates (6) are respectively arranged on two sides above the movable plate (5), grooves (51) are respectively formed on two sides of the top surface of the movable plate (5), the front sides of the bottom surfaces of the inner walls of the grooves (51) are respectively and fixedly connected with the bottom surfaces of the limiting plates (7), first through grooves (8) are respectively formed on the bottom surfaces of the inner walls of the grooves (51), second through grooves (38) which are in one-to-one correspondence with the first through grooves (8) are formed on the top surface of the square pipe (3), tightening devices are respectively arranged on the back surfaces of the inner walls of the grooves (51), through limiting grooves (9) are respectively formed on the top surfaces, perforating needles (24) are respectively and fixedly installed on two sides of the bottom surface of the pressing plate (6), a top plate (25) is arranged between the two perforating needles (24) positioned on the same side, third sliding grooves (26) are respectively formed in the top surface of the top plate (25), two third sliding blocks (27) in sliding contact fit with the third sliding grooves are arranged in each third sliding groove (26), the top surfaces of the third sliding blocks (27) are respectively hinged with the lower ends of connecting rods (28), the upper ends of the connecting rods (28) are respectively hinged with the bottom surface of the pressing plate (6), two L-shaped sliding grooves (29) are formed in the back surface of each limiting plate (7), circular sliding blocks (30) in sliding fit with the L-shaped sliding grooves are respectively arranged in the L-shaped sliding grooves (29), the back surfaces of the circular sliding blocks (30) are respectively and fixedly connected with the lower parts of the front surfaces of the corresponding connecting rods (28), a vertical fourth sliding groove (31) is formed in the back surface of, the rear side of the fourth sliding block (32) is fixedly connected with the front side of the corresponding top plate (25) respectively, the two sides of the top surface of the movable plate (5) are fixedly provided with the motor (10) respectively, the output end of the motor (10) is fixedly connected with the outer end of the first reciprocating screw rod (11) respectively, the periphery of the first reciprocating screw rod (11) is sleeved with a first reciprocating screw nut (12) in threaded fit with the first reciprocating screw rod respectively, the inner end of the first reciprocating screw rod (11) is connected with the outer end of the first rotating shaft (13) through a bearing respectively, the two sides of the top surface of the movable plate (5) are fixedly provided with inverted L-shaped plates (14) respectively, the first rotating shaft (13) penetrates through one side of the vertical part of the corresponding L-shaped plate (14) and is connected with the bearing, the outer side of the periphery of the first rotating shaft (13) is fixedly provided with the first rotating disc (15), the outer side of the output shaft of the motor (10) is provided with the second rotating disc (16 One end, the other end of telescopic link (17) is respectively through the top surface of connecting rod fixed connection movable rod (19), the one end of movable rod (19) is respectively through bearing connection first reciprocal screw (12) that correspond, the inner of first pivot (13) is the outside of fixed connection third carousel (20) respectively, second spout (21) are seted up respectively in the outside of clamp plate (6), be equipped with second slider (22) sliding fit with it in second spout (21) respectively, the inboard off-centre department of corresponding third carousel (20) is connected to the outside of second slider (22) bearing respectively, the one end of pin (23) is connected respectively to the periphery both sides of first reciprocal screw (11), be equipped with in square pipe (3) and pass through the bending device of groove (38) one-to-one with the second, every bending device passes through transmission with the second carousel (20) that correspond and is connected.

2. The automatic complete binding device for test paper according to claim 1, wherein: each bending device consists of two bending plates (39), two fifth sliding blocks (40), a movable plate (41), a fifth sliding groove (42), a second reciprocating screw rod (43), a second reciprocating screw nut (44), a square block (45) and a wedge block (46), two sides of the inner wall of the second through groove (38) are respectively hinged with the upper side of the bending plate (39), the lower sides of the bending plates (39) are respectively hinged with the top surface of the fifth sliding block (40), the top surface of the movable plate (41) is provided with the fifth sliding groove (42), the fifth sliding blocks (40) are both positioned in the fifth sliding grooves (42) and can only slide along the fifth sliding grooves, the bottom surface of the movable plate (41) is connected with the bottom surface of the inner wall of the square pipe (3) through a plurality of spring telescopic rods, the outer end of the second reciprocating screw rod (43) is connected with a transmission device, the second reciprocating screw nut (44) in threaded fit with the second reciprocating screw rod is sleeved on the periphery of the second, the periphery bottom surface of the second reciprocating screw (44) is fixedly connected with the top surface of the square block (45), the bottom surface of the square block (45) is in sliding fit with the bottom surface of the inner wall of the square pipe (3), and the periphery top surface of the second reciprocating screw (44) is fixedly provided with the wedge-shaped block (46).

3. The automatic complete binding apparatus for test paper according to claim 2, wherein: each transmission device consists of a mounting plate, a bevel gear ring (33), a second rotating shaft (34), a first bevel gear (35), a second bevel gear (52), a through hole, a third bevel gear (36) and a third rotating shaft (37), the bottom parts of the two sides of a square pipe (3) are respectively and fixedly connected with the inner side of the mounting plate, the periphery of a second turntable (20) is fixedly provided with the bevel gear ring (33), the second rotating shaft (34) penetrates through the bottom surface of a movable plate (5) and is in bearing connection with the movable plate, the upper end of the second rotating shaft (34) is fixedly provided with the first bevel gear (35), the first bevel gear (35) is meshed with the bevel gear ring (33), the top surface of the mounting plate is provided with the through hole, the second rotating shaft (34) penetrates through the through hole and is in sliding fit with the through hole, the top surface of the mounting plate is provided with the second bevel gear (52) through a bearing, the second rotating shaft (34) penetrates through the second bevel gear (52, a third bevel gear (36) meshed with the second bevel gear (52) is arranged above the mounting plate, the third bevel gear (36) is fixedly mounted at the outer end of a third rotating shaft (37), the third rotating shaft (37) penetrates through the square pipe (3) respectively and is connected with the square pipe through a bearing, and the inner end of the third rotating shaft (37) is fixedly connected with a bending device.

4. The automatic complete binding device for test paper according to claim 1, wherein: each jacking device consists of a jacking spring (47) and a jacking plate (48), the rear surface of the jacking plate (48) is fixedly connected with the front end of the jacking spring (47), and the rear end of the jacking spring (47) is fixedly connected with the rear surface of the inner wall of the groove (51).

5. The automatic complete binding device for test paper according to claim 4, wherein: the rear surface of the tightening plate (48) is fixedly connected with the front end of a pull rod (49), the pull rod (49) penetrates through the corresponding tightening springs (47), a through first hole is formed in the rear surface of the inner wall of the groove (51), the pull rod (49) penetrates through the corresponding first hole and is in sliding fit with the first hole, and a pull ring (50) is fixedly installed at the rear end of the pull rod (49).

6. The automatic complete binding device for test paper according to claim 1, wherein: the conveying table (2), the motor (10) and the electric push rod (4) are respectively in circuit connection with the controller, and the infrared sensor is embedded on the top surface of the outer wall of the square pipe (3) and is in circuit connection with the controller.

Technical Field

The invention belongs to the field of test paper binding equipment, and particularly relates to an automatic test paper binding device in a set.

Background

After a student purchases a test paper, the student can find that a staple is not completely bent, and then the staple can fall off after the test paper is used for a period of time, so that the test paper is scattered, and the incompletely bent staple is easy to prick hands of the student.

Disclosure of Invention

The invention provides an automatic test paper complete binding device which is used for overcoming the defects in the prior art.

The invention is realized by the following technical scheme:

the utility model provides a device is ordered to automatic one-tenth suit of examination paper, includes the fixed plate, and the below of fixed plate is equipped with two conveying platforms, and its special character lies in: a transverse square pipe is arranged between the conveying tables, two ends of the square pipe are sealed, an electric push rod is fixedly arranged in the middle of the bottom surface of the fixed plate, the movable end of the electric push rod is fixedly connected with the top surface of the movable plate, pressing plates are respectively arranged on two sides above the movable plate, grooves are respectively arranged on two sides of the top surface of the movable plate, the front sides of the bottom surfaces of the inner walls of the grooves are respectively fixedly connected with the bottom surfaces of the limiting plates, first through grooves are respectively arranged on the bottom surfaces of the inner walls of the grooves, second through grooves which are in one-to-one correspondence with the first through grooves are arranged on the top surface of the square pipe, tightening devices are respectively arranged behind the inner walls of the grooves, through limiting grooves are respectively arranged on the top surfaces of the pressing plates, the limiting plates respectively penetrate through the corresponding limiting grooves and are in sliding fit with the limiting grooves, punching needles are respectively fixedly arranged on two sides of the bottom surface of, the top surface of the third slide block is respectively hinged with the lower end of a connecting rod, the upper end of the connecting rod is respectively hinged with the bottom surface of a pressing plate, two L-shaped chutes are arranged at the back of each limiting plate, circular slide blocks in sliding fit with the L-shaped chutes are respectively arranged in the L-shaped chutes, the back of each circular slide block is respectively fixedly connected with the lower part of the front of the corresponding connecting rod, a vertical fourth chute is arranged at the back of each limiting plate, a fourth slide block in sliding fit with the fourth chute is arranged in the fourth chute, the back of each fourth slide block is respectively fixedly connected with the front of the corresponding top plate, two sides of the top surface of the movable plate are respectively fixedly provided with a motor, the output end of the motor is respectively fixedly connected with the outer end of the first reciprocating screw rod, the periphery of the first reciprocating screw rod is respectively sleeved with a first reciprocating screw nut in threaded fit with the first reciprocating screw rod, the, the first rotating shaft penetrates through one side of the vertical part of the corresponding L-shaped plate and is connected with the vertical part of the L-shaped plate through a bearing, a first rotating disc is fixedly installed on the outer side of the outer periphery of the first rotating shaft, a second rotating disc is installed on the outer periphery of the output shaft of the motor through a bearing, the outer side of the first rotating disc and the inner side of the second rotating disc are fixedly connected with one end of a telescopic rod respectively, the other end of the telescopic rod is fixedly connected with the top surface of a movable rod through a connecting rod respectively, one end of the movable rod is connected with a corresponding first reciprocating screw nut through a bearing respectively, the inner end of the first rotating shaft is fixedly connected with the outer side of a third rotating disc respectively, second sliding chutes are formed in the outer sides of the pressing plates respectively, second sliding blocks in sliding fit with the second sliding chutes are arranged in the second sliding chutes respectively, the outer sides of the second sliding blocks are connected with the inner eccentric parts of, each bending device is connected with the corresponding second turntable through a transmission device.

The automatic test paper complete binding device comprises two bending plates, two fifth sliding blocks, a movable plate, a fifth sliding groove, a second reciprocating screw rod, a second reciprocating screw nut, a square block and a wedge block, wherein two sides of the inner wall of the second through groove are respectively hinged with the upper side of the bending plates, the lower side of the bending plates is respectively hinged with the top surface of the fifth sliding block, the top surface of the movable plate is provided with the fifth sliding groove, the fifth sliding blocks are both positioned in the fifth sliding groove and can only slide along the fifth sliding groove, the bottom surface of the movable plate is connected with the bottom surface of the inner wall of the square pipe through a plurality of spring telescopic rods, the outer end of the second reciprocating screw rod is connected with a transmission device, the periphery of the second reciprocating screw rod is sleeved with the second reciprocating screw nut in threaded fit, the periphery of the second reciprocating screw nut is fixedly connected with the top surface of the square block, and the bottom surface of the square block is in sliding fit with the bottom, and a wedge block is fixedly arranged on the top surface of the periphery of the second reciprocating screw nut.

The automatic test paper complete binding device comprises mounting plates, bevel gear rings, a second rotating shaft, a first bevel gear, a second bevel gear, through holes, a third bevel gear and a third rotating shaft, wherein the bottoms of two sides of a square pipe are respectively fixedly connected with the inner side of the mounting plates, the periphery of a second rotating disc is fixedly provided with the bevel gear rings, the second rotating shaft penetrates through the bottom surface of a movable plate and is connected with a bearing of the movable plate, the upper end of the second rotating shaft is fixedly provided with the first bevel gear, the first bevel gear is meshed with the bevel gear rings, the top surface of the mounting plate is provided with the through holes, the second rotating shaft penetrates through the through holes and is in sliding fit with the through holes, the top surface of the mounting plate is provided with the second bevel gear through the bearing, the second rotating shaft penetrates through the second bevel gear, a chute slider limiting device is arranged between the inner wall of the second bevel gear and the periphery of, the third bevel gear is fixedly arranged at the outer end of a third rotating shaft, the third rotating shaft penetrates through the square pipe respectively and is connected with the square pipe through a bearing, and the inner end of the third rotating shaft is fixedly connected with the bending device.

According to the automatic test paper complete binding device, each tightening device consists of a tightening spring and a tightening plate, the rear surface of the tightening plate is fixedly connected with the front end of the tightening spring, and the rear end of the tightening spring is fixedly connected with the rear surface of the inner wall of the groove.

According to the automatic test paper forming, sleeving and binding device, the back of the tightening plate is fixedly connected with the front end of the pull rod, the pull rod penetrates through the corresponding tightening springs respectively, the back of the inner wall of the groove is provided with the through first hole, the pull rod penetrates through the corresponding first hole and is in sliding fit with the first hole, and the rear end of the pull rod is fixedly provided with the pull ring.

According to the automatic test paper forming, sleeving and binding device, the conveying table, the motor and the electric push rod are respectively in circuit connection with the controller, the infrared sensor is embedded in the top surface of the outer wall of the square pipe, and the infrared sensor is in circuit connection with the controller.

The invention has the advantages that: the device is used for binding a complete set of test papers, a user puts staples into a groove, the user opens a conveying table to drive the complete set of test papers to move forwards, the middle part of the test papers moves to the upper part of a square pipe and is aligned with a second through groove, the user closes the conveying table, the user controls an electric push rod to extend, the electric push rod extends to drive a movable plate to move upwards, the movable plate moves downwards and is contacted with the test papers to further press the test papers tightly, the user opens a motor, an output shaft of the motor rotates to drive a reciprocating lead screw to rotate, the reciprocating lead screw rotates to respectively move inwards towards a first multifilament nut, the first reciprocating nut respectively moves inwards to enable a movable rod positioned at the inner side of the first reciprocating nut to move inwards, further the movable rod at the inner side of the first reciprocating nut is contacted with a corresponding stop lever, and further a corresponding first rotary disc can be driven to rotate by a connecting rod and a, the first rotary disc rotates to drive the corresponding third rotary disc to rotate through the first rotary shaft respectively, the third rotary disc rotates to enable the corresponding press plate to move downwards through the second sliding block and the second sliding groove, the fourth sliding block is located at the bottommost part of the fourth sliding groove, the press plate moves downwards to further enable the top plate not to move downwards, the press plate moves downwards to enable the corresponding circular sliding block to move along the transverse part of the L-shaped groove respectively, so that the two connecting rods swing oppositely, the press plate drives the punching needle to move downwards to punch the test paper, after punching is completed, the third rotary disc continues to rotate to enable the press plate to move upwards and then move downwards to the initial position, the top plate can be driven to move upwards and then move downwards through the connecting rods, when the top plate moves upwards to the highest position, the top plate does not block staples, and further, the staples move forwards under the action of the jacking device, in the process that the top plate moves downwards to the initial position, the foremost staple can be ejected out of the first through groove, the staple enters a hole punched by a punching needle, the reciprocating nuts move outwards respectively, then the movable rod on the inner side of the first reciprocating nut can be separated from the corresponding stop lever, the movable rod on the outer side of the first reciprocating nut can be contacted with the corresponding stop lever, and further the second rotary table can be driven to rotate, the second rotary table can drive the bending device to operate through the transmission device, the bending device bends the stapling needle, after the stapling needle is bent, a user closes the motor and controls the electric push rod to contract, so that the electric push rod contracts to drive the movable plate to be separated from the test paper, the user opens the transmission table to drive the bound test paper to be transmitted to the next flow, compared with the existing device, firstly, the device punches the test paper through punching and then puts the stapling needle in, this kind of mode can avoid the staple to appear warping, and secondly, this device rotates the round through the third carousel and just can realize that the paper punches and puts the needle, and is simple to use, and in addition, this device is equipped with bending device, can bend the staple, avoids appearing the phenomenon that the staple is bent incompletely, and in addition, the paper punches, puts the needle and bends all to realize through the operation of motor, is convenient for maintain and control, and the cost is lower.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention; FIG. 2 is a partial view taken from the direction A of FIG. 1; FIG. 3 is an enlarged view of the B-directed partial view of FIG. 2; FIG. 4 is an enlarged view of section I of FIG. 1; fig. 5 is a partial enlarged view of ii of fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

An automatic test paper assembling and binding device comprises a fixed plate 1, the fixed plate 1 is fixedly arranged on a wall through a fixed frame, two conveying tables 2 are arranged below the fixed plate 1, the two conveying tables 2 are arranged in front and back, the conveying directions of the conveying tables 2 are from back to front, a transverse square pipe 3 is arranged between the conveying tables 2, two ends of the square pipe 3 are sealed, the square pipe 3 and the conveying tables are fixed through supporting legs, an electric push rod 4 is fixedly arranged in the middle of the bottom surface of the fixed plate 1, the movable end of the electric push rod 4 is fixedly connected with the top surface of a movable plate 5, two sides above the movable plate 5 are respectively provided with a pressure plate 6, two sides of the top surface of the movable plate 5 are respectively provided with a groove 51, the front sides of the bottom surfaces of the inner walls of the grooves 51 are respectively and fixedly connected with the bottom surfaces of limiting plates 7, the bottom surfaces of the inner walls of the grooves 51 are respectively provided with first through grooves, the top surface of the square tube 3 is provided with second through grooves 38 corresponding to the first through grooves 8 one by one, the second through grooves 38 are respectively positioned under the corresponding first through grooves 8, the back surfaces of the inner walls of the grooves 51 are respectively provided with a jacking device, the jacking device can provide forward movement force for staples, the top surface of the pressing plate 6 is respectively provided with a through limiting groove 9, the limiting plates 7 respectively penetrate through the corresponding limiting grooves 9 and are in sliding fit with the limiting grooves 9, two sides of the bottom surface of the pressing plate 6 are respectively and fixedly provided with a punching needle 24, a top plate 25 is arranged between the two punching needles 24 positioned on the same side, the punching needles 24 respectively penetrate through the corresponding first through grooves 8, the top surface of the top plate 25 is respectively provided with third sliding grooves 26, each third sliding groove 26 is internally provided with two third sliding blocks 27 in sliding contact fit with the third sliding blocks 27, the top surfaces of the third sliding blocks 27 are respectively hinged and connected with the lower ends of the connecting rods 28, the, two L-shaped sliding grooves 29 are formed in the back of each limiting plate 7, a circular sliding block 30 in sliding fit with the L-shaped sliding grooves 29 is arranged in each L-shaped sliding groove 29, the back of each circular sliding block 30 is fixedly connected with the lower part of the front of the corresponding connecting rod 28, a vertical fourth sliding groove 31 is formed in the back of each limiting plate 7, a fourth sliding block 32 in sliding fit with the fourth sliding groove 31 is arranged in each fourth sliding groove 31, the back of each fourth sliding block 32 is fixedly connected with the front of the corresponding top plate 25, when the circular sliding blocks 30 are located at the bottom of the vertical part of the corresponding L-shaped sliding grooves 29, the fourth sliding blocks 32 are also located at the bottom of the fourth sliding grooves 31, at the moment, the fourth sliding grooves are initial positions, motors 10 are fixedly installed on two sides of the top surface of the movable plate 5 respectively, the output ends of the motors 10 are fixedly connected with the outer ends of the first, the inner end of a first reciprocating screw rod 11 is respectively connected with the outer end of a first rotating shaft 13 through a bearing, two sides of the top surface of a movable plate 5 are respectively fixedly provided with an inverted L-shaped plate 14, the first rotating shaft 13 respectively penetrates through one side of the vertical part of the corresponding L-shaped plate 14 and is connected with the vertical part of the L-shaped plate through the bearing, a slip strip sliding groove limiting device is arranged between the bottom surface of the horizontal part of the L-shaped plate 14 and the peripheral top surface of the corresponding first reciprocating screw nut 12, the structure of the slip strip sliding groove limiting device is the prior art, redundant description is not repeated in the application, the slip strip sliding groove limiting device can limit the first reciprocating screw nut 12, the first reciprocating screw nut 12 cannot rotate and cannot influence the left and right movement of the first reciprocating screw nut 12, a first rotating disc 15 is fixedly arranged on the outer side of the periphery of the first rotating shaft 13, a second rotating disc 16 is arranged on the periphery of an output shaft of a motor 10 through the, the other end of the telescopic rod 17 is fixedly connected with the top surface of a movable rod 19 through a connecting rod respectively, one end of the movable rod 19 is connected with a corresponding first reciprocating screw nut 12 through a bearing respectively, the movable rod 19 can rotate along the transverse central line of the first reciprocating screw nut 12 respectively, the inner end of a first rotating shaft 13 is fixedly connected with the outer side of a third rotating disc 20 respectively, the outer side of a pressing plate 6 is provided with a second sliding groove 21 respectively, a second sliding block 22 in sliding fit with the second sliding groove 21 is arranged in the second sliding groove 21 respectively, the outer side of the second sliding block 22 is connected with the inner eccentric part of the corresponding third rotating disc 20 through a bearing respectively, two sides of the periphery of the first reciprocating screw rod 11 are fixedly connected with one end of a stop lever 23 respectively, the stop levers 23 can be contacted with the corresponding movable rods 19 respectively, the lengths of the two movable rods 19 positioned on the same side are different, and the length of the movable rod 19, and when the first reciprocating screw nut 12 moves to the innermost half-turn of the thread of the first reciprocating screw rod 11, the movable rod 19 positioned on the inner side can be contacted with the corresponding stop lever 23, so that the effect that the first reciprocating screw nut 12 can only drive the first rotary disc 15 to rotate for one turn once, but the second rotary disc 16 can rotate for a plurality of turns is realized, the sum of the lengths of the two stop levers 23 positioned on the same side is smaller than the gap between the two stop levers 23 positioned on the same side, only one movable rod 19 connected with each first reciprocating screw nut 12 can be contacted with the corresponding stop lever 23, the bending devices corresponding to the second through grooves 38 one by one are arranged in the square pipe 3, and each bending device is connected with the corresponding second rotary disc 20 through a transmission device. The device is used for binding a complete set of test papers, a user puts staples into a groove 51, the user opens a conveying table 2 to drive the complete set of test papers to move forwards, the middle part of the test papers moves above a square tube 3 and is aligned with a second through groove 38, the user closes the conveying table 2, the user controls an electric push rod 4 to extend, the electric push rod 4 extends to drive a movable plate 5 to move upwards, the movable plate 5 moves downwards and is contacted with the test papers to tightly press the test papers, the user opens a motor 10, an output shaft of the motor 10 rotates to drive a reciprocating screw rod 11 to rotate, the reciprocating screw rod 11 rotates to drive first reciprocating nuts 12 to move inwards respectively, the first reciprocating nuts 12 move inwards respectively to drive movable rods 19 positioned at the inner sides of the first reciprocating nuts 12 to move inwards, further to drive the movable rods 19 at the inner sides of the first reciprocating nuts 12 to be contacted with corresponding stop rods 23, and further can drive corresponding first rotating discs 15 to rotate through connecting rods and telescopic rods 17, the first rotary disc 15 rotates to respectively drive the corresponding third rotary disc 20 to rotate through the first rotary shaft 13, the third rotary disc 20 rotates to enable the corresponding press plate 6 to move downwards through the second slide block 22 and the second slide groove 21, at the moment, the fourth slide block 32 is located at the bottommost part of the fourth slide groove 31, the press plate 6 moves downwards, and further the top plate 25 cannot move downwards, the press plate 6 moves downwards to respectively enable the corresponding circular slide blocks 30 to move along the transverse parts of the L-shaped grooves 29, and further the two connecting rods 28 swing oppositely, at the moment, the press plate 6 drives the punching needles 24 to move downwards and punch test papers, after punching is completed, the third rotary disc 20 continuously rotates to enable the press plate 6 to move upwards and then move downwards to the initial position, and further, the top plate 25 can be driven to move upwards and then move downwards 2 through the connecting rods 28, when the top plate 25 moves upwards to the highest position, the top plate 25 does not block staples, further, under the action of the jacking device, the staple moves forwards, and in the process that the top plate 25 moves downwards to the initial position, the foremost staple can be ejected out of the first through groove 8, the staple enters the hole punched by the punching needle 24, at the moment, the reciprocating screw nut 12 moves outwards respectively, so that the movable rod 19 inside the first reciprocating screw nut 12 can be separated from the corresponding stop rod 23, the movable rod 19 outside the first reciprocating screw nut 12 can be contacted with the corresponding stop rod 23, and further the second rotary table 20 can be driven to rotate, the second rotary table 20 can be driven to rotate by the transmission device, the bending device bends the staple, after the staple is bent, a user closes the motor 10 and controls the electric push rod 4 to contract, so that the electric push rod 4 contracts to drive the movable plate 5 to be separated from the test paper, the user opens the transmission table 2 to drive the bound test paper to be transmitted to the next process, compared with the prior art, at first, this device punches the back through perforating needle 24 to the paper and puts into the staple again, this kind of mode can avoid the staple to appear warping, secondly, this device just can realize the test paper through third carousel 20 rotation round and punch and put the needle, high durability and convenient use, in addition, this device is equipped with bending device, can bend the staple, avoid appearing the phenomenon that the staple is not bent completely, in addition, the test paper punches, put the needle and bend and all realize through the operation of motor 10, be convenient for maintain and control, the cost is lower.

Specifically, as shown in fig. 1, each of the bending devices of this embodiment is composed of two bending plates 39, two fifth sliders 40, a moving plate 41, a fifth sliding slot 42, a second reciprocating screw 43, a second reciprocating screw 44, a square block 45 and a wedge block 46, two sides of an inner wall of the second through slot 38 are respectively hinged to an upper side of the bending plate 39, a lower side of the bending plate 39 is respectively hinged to a top surface of the fifth slider 40, the top surface of the moving plate 41 is provided with the fifth sliding slot 42, the fifth sliders 40 are both located in the fifth sliding slot 42 and can only slide along the fifth sliding slot, a bottom surface of the moving plate 41 is connected to a bottom surface of the inner wall of the square tube 3 through a plurality of spring telescopic rods, an internal spring of the spring telescopic rod is a tension spring, an outer end of the second reciprocating screw 43 is connected to a transmission device, an inner end of the third rotating shaft 37 is respectively fixedly connected to an outer end of the corresponding second reciprocating, the periphery of the second reciprocating screw 43 is sleeved with a second reciprocating screw 44 in threaded fit with the second reciprocating screw, the peripheral bottom surface of the second reciprocating screw 44 is fixedly connected with the top surface of the square block 45, the bottom surface of the square block 45 is in sliding fit with the bottom surface of the inner wall of the square pipe 3, the peripheral top surface of the second reciprocating screw 44 is fixedly provided with a wedge block 46, and the wedge surface of the wedge block 46 can be in contact with the outer side of the bottom surface of the moving plate 41. The second turntable 20 rotates to drive the second reciprocating screw rod 43 to rotate through the transmission device, the square block 45 can limit the reciprocating screw nut 44, the second reciprocating screw rod 43 rotates to enable the second reciprocating screw nut 44 to reciprocate along the second reciprocating screw nut, when the second reciprocating screw nut 44 drives the wedge block 46 to move inwards, the wedge block 46 moves inwards and contacts with the bottom surface of the moving plate 41, the moving plate 41 further moves upwards, the moving plate 41 moves upwards to enable the lower side of the bending plate 39 to turn inwards respectively, and then two ends of a staple can be bent.

Specifically, as shown in fig. 1 or 4, each of the transmission devices described in this embodiment is composed of a mounting plate, a bevel ring 33, a second rotating shaft 34, a first bevel gear 35, a second bevel gear 52, a through hole, a third bevel gear 36 and a third rotating shaft 37, the two side bottoms of the square tube 3 are respectively fixedly connected to the inner side of the mounting plate, the periphery of the second rotating disk 20 is fixedly mounted with the bevel ring 33, the second rotating shaft 34 penetrates through the bottom surface of the movable plate 5 and is connected with the bottom surface by a bearing, the upper end of the second rotating shaft 34 is fixedly mounted with the first bevel gear 35, the first bevel gear 35 is meshed with the bevel ring 33, the top surface of the mounting plate is provided with the through hole, the second rotating shaft 34 penetrates through the through hole and is in sliding fit with the through hole, the top surface of the mounting plate is mounted with the second bevel gear 52 by a bearing, the second rotating shaft 34 penetrates through, the structure is the prior common knowledge, the present application is not repeated excessively, the second rotating shaft 34 can drive the second bevel gear 52 to rotate through the sliding chute sliding block limiting device, but the structure does not affect the up-down movement of the second rotating shaft 34, the third bevel gear 36 meshed with the second bevel gear 52 is arranged above the mounting plate, the third bevel gear 36 is fixedly mounted at the outer end of the third rotating shaft 37, the third rotating shaft 37 respectively penetrates through the square pipe 3 and is connected with the same through a bearing, the inner end of the third rotating shaft 37 is fixedly connected with a bending device, and the inner end of the third rotating shaft 37 is respectively fixedly connected with the outer end of the corresponding second reciprocating screw rod 43. Second carousel 20 rotates and to drive bevel gear ring 33 and rotate, bevel gear ring 33 rotates and drives second pivot 34 through the first bevel gear 35 of meshing with it and rotates, second pivot 34 rotates and to drive second bevel gear 52 through spout slider stop device and rotate, second bevel gear 52 rotates and then drives third pivot 37 through the third bevel gear 36 of meshing with it and rotates, third pivot 37 rotates and drives bending device operation, the reciprocating of clamp plate 6 can not produce the influence to its working process, the device's simple structure, and the manufacturing is convenient for.

Further, as shown in fig. 2, each of the tightening devices of the present embodiment is composed of a tightening spring 47 and a tightening plate 48, wherein the rear surface of the tightening plate 48 is fixedly connected to the front end of the tightening spring 47, and the rear end of the tightening spring 47 is fixedly connected to the rear surface of the inner wall of the groove 51. The tightening plate 48 and the tightening spring 47 can provide a force for moving the staple forward, and after the staple in front is used, the staple in the rear can be moved forward to be supplemented.

Furthermore, as shown in fig. 2, the rear surface of the tightening plate 48 according to this embodiment is fixedly connected to the front end of a pull rod 49, the pull rods 49 respectively penetrate through the corresponding tightening springs 47, a through first hole is formed in the rear surface of the inner wall of the groove 51, the pull rods 49 respectively penetrate through the corresponding first holes and are in sliding fit with the first holes, and the rear end of the pull rod 49 is fixedly provided with a pull ring 50. The user passes through pull ring 50 and stimulates pull rod 49 backward, and pull rod 49 backward movement drives and props up board 48 backward movement, and the user of being convenient for adjusts the staple in to recess 51, and pull ring 50 can play limiting displacement and can provide the impetus for the user, and the user of being convenient for stimulates pull rod 49.

Furthermore, as shown in fig. 1, the conveying table 2, the motor 10 and the electric push rod 4 according to the embodiment are respectively connected with a controller through circuits, the controller is fixedly installed on the bottom surface of the fixing plate 1, and the infrared sensor is embedded on the top surface of the outer wall of the square tube 3 and is connected with the controller through a circuit. The user can control the stop and the operation of transmission platform 2, the output shaft of motor 10 rotates the number of turns and the length of electric push rod 4 respectively through the controller, and it is more convenient to use, and infrared sensor is used for detecting the paper process, and infrared sensor sends the information that detects for the controller, and each part operation work of controller control, and degree of automation is higher.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.