CN110355116B - Conveying and removing structure for sorting machine - Google Patents

Abstract

The utility model provides a carry and reject structure for sorter, including a pair of interval arrangement's first upper side board, a pair of second upper side board and many pairs of lower side board, one side and the second upper side board rigid coupling of first upper side board, each lower side board all with the opposite side rigid coupling of first upper side board, set up between adjacent first upper side board and second upper side board and be used for carrying good product paper upward conveyor, remove the device, be used for preventing good product paper get into remove the blocking device of device, be used for going up and down step by step to receive NG article paper's chain elevating gear and be used for preventing NG article paper to fall out multidirectional location blocking device. Can realize carrying the part of good product paper and NG defective products paper, stop the device and can prevent that good products paper from getting into defective products collection department, its defective products paper of being convenient for simultaneously drops to conveyor down rapidly, and conveyor, speed reduction paper pressing device and positioner realize the transport stability of NG defective products paper down, prevent that NG defective products paper from flying out at a high speed.

Description

Conveying and removing structure for sorting machine

Technical Field

The invention relates to the field of sorting machine equipment, in particular to a conveying and rejecting structure for a sorting machine.

Background

Traditional paper sorting machine detects paper defect after lapping, takes out after the manual shutdown if the NG article appears, and this kind of mode of manual sorting NG article wastes time and energy, has not only improved operating personnel's intensity of labour, has still increased the manpower resources input of enterprise, greatly reduced production efficiency.

Disclosure of Invention

The applicant has studied and improved the above-mentioned existing problem, provide a carry and reject the structure for sorter, it can realize separating NG article and normal paper, and realize stacking up the automation of NG article, labour saving and time saving has improved production efficiency greatly.

The technical scheme adopted by the invention is as follows:

the utility model provides a carry and reject structure for sorter, includes a pair of interval arrangement's first upper side board, a pair of second upper side board and many pairs of lower side board, one side and the second upper side board rigid coupling of first upper side board, each lower side board all with the opposite side rigid coupling of first upper side board, set up between adjacent first upper side board and second upper side board and be used for carrying good product paper upward conveyor, remove the device, be used for preventing good product paper to get into remove the blocking device of device, be used for going up and down the chain elevating gear of receiving NG article paper step by step and be used for preventing the multidirectional location blocking device that NG article paper falls out.

The further technical scheme is as follows:

the specific structure of the upper conveying device is as follows:

the belt conveyor comprises a first motor, wherein the output end of the first motor is connected with a first driving roller shaft through a first transmission mechanism, the first driving roller shaft is in wire wrapping connection with one ends of a plurality of first conveying belts, and the other ends of the first conveying belts sequentially pass through a first transition roller shaft, a first tensioning wheel and are wound back through a second transition roller shaft; the shaft ends of one end of the first driving roller shaft are connected with the second upper side plate through roller bearing seats, and the shaft ends of the first transition roller shaft and the second transition roller shaft are also connected with the first upper side plate through roller bearing seats and a first flange; a plurality of mutually spliced air duct plates are further arranged between the adjacent first driving roller shafts and the first transition roller shafts, a supporting plate for the first conveying belt to pass through is arranged at the top of each air duct plate, an air outlet of a conveying belt air duct box is communicated with an air outlet at the bottom of each air duct plate, and an air inlet of the conveying belt air duct box is communicated with a fan; the bottom of each air duct plate is also sequentially provided with a plurality of first positioning rods at intervals, and the two sides of each air duct plate and the first positioning rods are respectively fixedly connected with the inner sides of the first upper side plate and the second upper side plate;

The two ends of the shaft of each first tensioning wheel are respectively and movably connected with a guide block, and the adjacent guide blocks are fixedly connected with one side of the tensioning mounting plate; a tensioning shaft fixing block is further arranged between the adjacent guide blocks, a tensioning connecting rod penetrates through the tensioning mounting plate and is connected with the tensioning shaft fixing block, a tensioning spring is further sleeved on one side, extending out of the tensioning mounting plate, of the tensioning connecting rod, and the tensioning spring is locked by a tensioning screw;

the removing device sequentially comprises a second motor, a lower conveying device for conveying NG paper and a deceleration paper pressing device for decelerating and pressurizing the NG paper, wherein the output end of the second motor is used for transmitting a kinematic pair to the lower conveying device and the deceleration paper pressing device through a multi-stage transmission mechanism;

the specific structure of the lower conveying device is as follows: the device comprises a third transition roller shaft, a second driving roller shaft, a driving roller and a driven roller;

the two ends of the third transition roller shaft are connected with the inner side of the first upper side plate through a second flange with a bearing, one shaft end of the second driving roller shaft is also connected with the inner side of the first upper side plate through a second flange with a bearing, and the other shaft end of the second driving roller shaft penetrates through the other first upper side plate through a bearing and is matched with the two-stage transmission end of the multi-stage transmission mechanism; a plurality of second conveying belts are wound between the adjacent second transition roller shafts and the second driving roller shaft, each second conveying belt is supported and positioned by a plurality of second positioning rods, both ends of each second positioning rod are fixedly connected with the inner wall of the first upper side plate, and a first tensioning device for adjusting the tension of the second conveying belt is further arranged between the adjacent two second positioning rods;

One end of the driving roller penetrates through the first upper side plate through a bearing and is matched with a first-stage transmission end of the multi-stage transmission mechanism, and the other end of the driving roller penetrates through the other first upper side plate through a bearing and is matched with a second-stage transmission end of the multi-stage transmission mechanism; one end of the driven roller is connected with the first upper side plate through a bearing, and the other end of the driven roller penetrates through the other first upper side plate through the bearing and is matched with a first-stage transmission end of the multi-stage transmission mechanism; the cylinder body of the driven roller is also matched with a plurality of driven wheels, one end of a plurality of third conveying belts is wound on each driven wheel, the other end of each third conveying belt is wound on the driving roller, and a second tensioning device for tensioning the third conveying belts is arranged between the adjacent driving roller and the driven roller;

the multistage transmission mechanism comprises a first stage transmission end arranged on the outer side of one first upper side plate and a second stage transmission end arranged on the outer side of the other first upper side plate;

the primary transmission end comprises a third belt pulley, a fourth tensioning wheel, a first transmission gear, a second transmission gear, a fifth tensioning wheel and a driven gear which are connected in a winding manner through a third transmission belt, and the fourth tensioning wheels are symmetrically distributed by taking the third belt pulley as a center;

The secondary transmission end comprises a first transmission wheel and a second transmission wheel, and the first transmission wheel and the second transmission wheel are connected in a winding manner through a second transmission belt;

the deceleration paper pressing device comprises a mounting plate, wherein two sides of the mounting plate are fixedly connected with the inner sides of the two first upper side plates respectively; the two sides of the bottom of the mounting plate are fixedly connected with first fixing plates respectively, the inner sides of the first fixing plates are sequentially connected with a plurality of driving shaft fixing blocks through first connecting blocks, second connecting blocks and pins, the front ends of the driving shaft fixing blocks are jointly penetrated by a circular driving shaft, one end of the circular driving shaft is connected with the inner side of a first upper side plate through a bearing, and the other end of the circular driving shaft is matched with a second transmission gear of the multistage transmission mechanism; an idler shaft is further connected between the adjacent driving shaft fixing blocks at the rear end of each driving shaft fixing block, round idler wheels are arranged on the round belt driving shaft and the idler shaft, and a round belt is connected between the round idler wheels of the round belt driving shaft and the round idler wheels on the idler shaft; a third tensioning device for tensioning the round belt is further arranged on the mounting plate;

the paper pressing device comprises a mounting plate, a first positioning block, a second positioning block, a shifting fork shaft, a paper pressing wheel, a shifting fork block, a connecting block and a piston, and is characterized by further comprising a second fixing plate fixedly connected with the mounting plate, wherein the second fixing plate is fixedly connected with the speed reducing bearing seat; the inner side of the other end of the shifting fork plate is connected with a first positioning block through an adjusting screw;

The specific structure of the blocking device is as follows:

the device comprises a third motor arranged on the inner side of a first upper side plate, wherein an output shaft of the third motor penetrates through the first upper side plate and is matched with a cam, the outer side of the first upper side plate is movably connected with a lever through a lever shaft, one end of the lever is close to the cam, the other end of the lever is provided with a cam shaft, one end of a swinging rod with a hole is matched with the cam shaft, the other end of the swinging rod is matched with a rotating shaft, the rotating shaft is arranged between two first upper side plates through a bearing seat, and a blocking plate is sleeved on the periphery of the rotating shaft between the two first upper side plates; one end of the lever, provided with the cam shaft, is also connected with one end of a tension spring, and the other end of the tension spring is connected with the outer side of the first upper side plate through a fastener;

the chain lifting device has the following specific structure: the motor comprises a fourth motor, wherein the output end of the fourth motor is connected with a driving sprocket, and the driving sprocket is connected with a first driven sprocket through a chain; the first driven sprocket is matched with a sprocket shaft, the sprocket shaft penetrates through one first upper side plate and is matched with the other first upper side plate through a bearing seat, a pair of lifting driving sprockets are matched on the sprocket shaft between the adjacent first upper side plates, the lifting driving sprockets are double-tooth gears, a chain pressing block is arranged above each sprocket in the lifting driving sprockets, and each chain pressing block is in pin joint with the inner side of the first upper side plate through a connecting pin; a chain stripping block is arranged below each chain tooth in the lifting driving chain wheel and is fixedly connected with the inner side of the first upper side plate through a gasket; the inner side of each second upper side plate is also connected with a second driven sprocket through a bearing seat, one side tooth end of the lifting driving sprocket is in winding connection with a first chain, one end of the first chain bypasses the second driven sprocket and is connected with a chain fixing block, and the other end of the first chain bypasses one side tooth end of the lifting driving sprocket and is in contact with a chain pressing block; the other side tooth end of the lifting driving sprocket is wound with second chains, one end of each second chain is also connected with the other chain fixing block, and the other end of each second chain bypasses the other side tooth end of the lifting driving sprocket and is also contacted with the chain pressing block; the chain fixing blocks are distributed at four corners of the lifting plate;

The specific structure of the multidirectional positioning blocking device is as follows: the device comprises a supporting seat connecting block fixedly connected to the front end and the rear end of the inner side of the second upper side plate, a guide rod positioning block is fixedly connected to the supporting seat connecting block, a pair of adjusting rods are matched between adjacent guide rod positioning blocks, and a pair of first adjusting rod seats and a pair of second adjusting rod seats are respectively matched on the adjusting rods;

each first adjusting rod seat is fixedly connected with the inner side of the second upper side plate through a third fixing plate, a second fixing rod is arranged between every two adjacent third fixing plates, a plurality of first sliding block fixing blocks are fixedly connected on the second fixing rods, the first sliding block fixing blocks are connected with first sliding blocks through second sliding block fixing blocks, the first sliding blocks are in sliding connection with first sliding rails, and the first sliding rails are fixedly connected with first positioning plates through second positioning blocks;

the transverse guide rods are connected between the left and right adjacent second adjusting rod seats, the transverse guide rods are matched with the butt joint plates, the fixing seats are fixedly connected to the butt joint plates, one end of the round shaft is connected with the fixing seats, the other end of the round shaft is connected with the supporting seat, and the supporting seat is positioned between the front and rear adjacent second adjusting rod seats; the bottom of each second adjusting rod seat and supporting seat is connected with the first supporting plate jointly, one end of each pair of second supporting plates is fixedly connected with the first supporting plate, an air cylinder fixing plate is fixedly connected between the other ends of the adjacent second supporting plates, the air cylinder is fixedly connected to the air cylinder fixing plate, one ends of a pair of guide rods penetrate through the air cylinder fixing plate and are connected with the guide rod fixing plate fixedly connected to the inner side of the second upper side plate, the other ends of the guide rods are matched with a third sliding block fixing block, the inner side of the third sliding block fixing block is connected with a piston rod of the air cylinder, the outer side of the third sliding block fixing block is connected with a second sliding block, the second sliding block is in sliding connection with a second sliding rail, and each second sliding rail is connected with a second positioning plate through a positioning block.

The beneficial effects of the invention are as follows:

the invention has simple structure and convenient use, can realize the separate conveying of good paper and NG defective paper, can prevent the good paper from entering the defective product collecting place by arranging the blocking device, is convenient for the NG defective paper to quickly fall down to the lower conveying device, can realize the conveying stability of the NG defective paper by using the lower conveying device, the speed-reducing paper pressing device and the positioning device, and can prevent the NG defective paper from flying out at high speed, each group of conveying belts is provided with the tensioning device for automatic correction, the tensioning device of the tensioning springs and the tensioning connecting rods can adapt to the tensioning degree of each conveying belt, and the adaptation and the adjustment of each conveying belt can be realized according to the spring expansion amount. The arrangement of the chain lifting device is used for self-adapting the output height of each NG defective paper, so that the NG defective paper falls into the lifting plate in a short distance to ensure automatic stacking, and the arrangement of the multidirectional positioning blocking device ensures that the NG defective paper is always stacked in the range of the lifting plate, so that the NG defective paper is prevented from flying out.

Drawings

Fig. 1 is a general assembly view of the present invention.

FIG. 2 is a schematic diagram I of a conveyor apparatus according to the present invention.

Fig. 3 is a schematic structural diagram ii of the conveying device according to the present invention.

Fig. 4 is an enlarged schematic view of the structure of fig. 3 at a.

Fig. 5 is a schematic structural view iii of the conveying device in the present invention.

Fig. 6 is an enlarged schematic view of the structure of fig. 5 at B.

Fig. 7 is a schematic structural view iv of the conveying device in the present invention.

Fig. 8 is an enlarged schematic view of the structure of fig. 7 at C.

Fig. 9 is an enlarged schematic view of fig. 7 at D.

FIG. 10 is a schematic diagram I of a rejecting device according to the present invention.

Fig. 11 is a schematic structural diagram ii of the removing device according to the present invention.

FIG. 12 is a schematic diagram of a driving mode of the removing device of the present invention.

Fig. 13 is a schematic structural view of a pallet according to the present invention.

Fig. 14 is a schematic view of the structure of the belt according to the present invention.

FIG. 15 is a schematic view of a part of the structure of the removing device of the present invention.

Fig. 16 is an enlarged schematic view of fig. 15 at F.

Fig. 17 is a schematic diagram ii of a partial structure of a removing device according to the present invention.

Fig. 18 shows a schematic view of the structure of the blocking device according to the invention.

Fig. 19 is a schematic view ii of a blocking device according to the present invention.

Fig. 20 is an enlarged schematic view of fig. 18 at E.

Fig. 21 is a schematic transmission diagram of the chain lifting device in the invention.

Fig. 22 is a schematic diagram of a part of the chain lifting device according to the present invention.

Fig. 23 is a schematic diagram ii of a partial structure of the chain lifting device according to the present invention.

Fig. 24 is an enlarged schematic view of the structure of fig. 23 at G.

Fig. 25 is a schematic structural view of a multi-directional blocking device according to the present invention.

Fig. 26 is a schematic view of a part of the structure of the multi-directional blocking device according to the present invention.

Fig. 27 is a schematic view ii of a part of the structure of the multi-directional blocking device according to the present invention.

Fig. 28 is a schematic view iii of a part of the structure of the multi-directional blocking device according to the present invention.

Wherein: 1. a first upper side plate; 2. a second upper side plate; 3. a lower side plate; 4. an upper conveying device; 401. a first motor; 402. a first pulley; 403. a first drive belt; 404. a second pulley; 405. a first conveyor belt; 4051. a first air hole; 406. a support plate; 407. a supporting plate; 4071. a second air hole; 4072. a first conveyor belt penetration hole; 408. a first drive roll shaft; 409. an air duct plate; 410. a first positioning rod; 411. a first transition roller shaft; 412. a first flange; 413. a tensioning shaft fixing block; 414. a second transition roller shaft; 415. a first tensioning wheel; 416. a guide block; 417. tensioning the mounting plate; 418. tensioning a spring; 419. tensioning the connecting rod; 420. a conveyor belt air duct box; 421. a through hole; 422. a blower; 501. a lower conveying device; 5011. a second flange; 5012. a third transition roller shaft; 5013. a second conveyor belt; 5014. a second drive roller shaft; 5015. a driving roller; 5016. a second positioning rod; 5017. a second tensioning shaft; 5018. a first swing arm; 5019. a second tensioning wheel; 5020. a first connection plate; 5021. a first fixing rod; 5022. a second swing arm; 5023. a third tensioning wheel; 5024. tensioning the wheel axle; 5025. a third conveyor belt; 5026. a second drive belt; 5027. a first driving wheel; 5028. a second driving wheel; 50291. a passive roller; 50292. a driven wheel; 50293. a driven gear; 503. a speed-reducing paper pressing device; 5031. a mounting plate; 5032. a first fixing plate; 5033. a tube fixing plate; 50331. a first air blowing pipe; 5034. a first connection block; 5035. a second connection block; 5036. a pin; 5037. a driving shaft fixing block; 5038. an idler shaft; 5039. a round idler wheel; 50310. a round belt; 50311. tensioning a bracket; 50312. tensioning the fixed block; 50313. a third tensioning shaft; 50314. a second fixing plate; 50315. a speed reducing bearing seat; 50316. a first positioning block; 50317. a fork plate; 50318. a fork shaft; 50319. a paper pressing wheel; 50320. a connecting block; 50321. a fork cylinder; 50322. a shift fork block; 504. a positioning device; 5041. a supporting plate; 5042. a blowing pipe fixing block; 5043. a second air blowing pipe; 5044. a blowing branch pipe; 5045. a fixing strip positioning sleeve; 5046. a fixing strip; 5047. extending the fixed rod; 5048. a lower paper positioning plate; 5049. a positioning tube; 505. a second motor; 5061. a third pulley; 5062. a third drive belt; 5063. a fourth tensioner; 5064. a first transmission gear; 5065. a second transmission gear; 5066. a fifth tensioning wheel; 5067. a round belt driving shaft; 6. a blocking device; 601. a third motor; 602. a cam; 603. a lever; 6031. a lever shaft; 604. a tension spring; 6051. an adjustment aperture; 605. swing rod; 606. a rotating shaft; 607. a blocking plate; 608. a cam shaft; 7. a chain lifting device; 701. a fourth motor; 702. a drive sprocket; 703. tensioning the chain wheel; 7031. tensioning a sprocket adjustment plate; 704. a first driven sprocket; 705. a chain; 706. chain wheel shaft; 707. lifting the driving sprocket; 708. a connecting pin; 709. a chain pressing block; 710. a first chain; 711. a second chain; 712. a chain fixing block; 713. a lifting plate; 714. stripping the chain block; 715. a second driven sprocket; 8. a multidirectional positioning blocking device; 801. a supporting seat connecting block; 802. a guide rod positioning block; 803. a first adjusting lever seat; 804. an adjusting rod; 805. a third fixing plate; 806. a second fixing rod; 807. a first slider fixing block; 808. a second slider fixing block; 809. a first slider; 810. a first slide rail; 811. a second positioning block; 812. a baffle; 813. a first positioning plate; 814. a fourth fixing plate; 815. a transverse guide rod; 816. an abutting plate; 817. a fixing seat; 818. a circular shaft; 819. a support base; 820. a first support plate; 821. a second support plate; 822. a cylinder fixing plate; 823. a guide rod fixing plate; 824. a guide rod; 825. a cylinder; 826. a third slider fixing block; 827. a second slider; 828. a second slide rail; 829. a second positioning plate; 830. and a second adjusting rod seat.

Detailed Description

The following describes specific embodiments of the present invention.

As shown in fig. 1 and 2, a conveying and rejecting structure for a sorting machine includes a pair of first upper side plates 1, a pair of second upper side plates 2 and a plurality of pairs of lower side plates 3 which are arranged at intervals, wherein one side of the first upper side plate 1 is fixedly connected with the second upper side plate 2 through a short fixing plate (not shown in fig. 1), each lower side plate 3 is fixedly connected with the other side of the first upper side plate 1 through the short fixing plate, the first upper side plate 1 and the second upper side plate 2 are all transverse, and the lower side plates 3 are vertically arranged. An upper conveying device 4 for conveying good paper, a removing device, a blocking device 6 for preventing the good paper from entering the removing device, a chain lifting device 7 for lifting and receiving NG paper step by step and a multidirectional positioning blocking device 8 for preventing the NG paper from falling out are arranged between the adjacent first upper side plate 1 and the second upper side plate 2.

As shown in fig. 3 to 9, the upper conveying device 4 has the following specific structure:

the belt conveyor comprises a first motor 401, wherein the output end of the first motor 401 is connected with a first driving roller shaft 408 through a first transmission mechanism, the first transmission mechanism comprises a first belt pulley 402 and a second belt pulley 404, a first transmission belt 403 is connected between the first belt pulley 402 and the second belt pulley 404, the first belt pulley 402 is arranged at the output end of the first motor 401, and the second belt pulley 404 is arranged at one end of the first driving roller shaft 408.

As shown in fig. 3 to 9, the first driving roller shaft 408 is wound around one end of the plurality of first conveying belts 405, the other end of each first conveying belt 405 sequentially passes through the first transition roller shaft 411, the first tensioning wheel 415 and is wound back through the second transition roller shaft 414, as shown in fig. 14, a plurality of first air holes 4051 are formed in the first conveying belt 405, and the first air holes 4051 are used for adsorbing paper.

One end shaft end of the first driving roller shaft 408 is connected with the second upper side plate 2 through a roller bearing seat, the other shaft end of the first driving roller shaft 408 is matched with the second belt pulley 404, and the shaft ends of the first transition roller shaft 411 and the second transition roller shaft 414 are also connected with the first upper side plate 1 through the roller bearing seat and the first flange 412; a plurality of mutually spliced air duct plates 409 are further arranged between the adjacent first driving roller shafts 408 and the first transition roller shafts 411, the bottoms of the air duct plates 409 are fixedly connected with a supporting plate 406, and holes for the first positioning rods 410 to penetrate are formed in the supporting plate 406. An air outlet is formed in the air duct plate 409, a supporting plate 407 through which the first conveyor belt 405 passes is formed at the top of each air duct plate 409, and as shown in fig. 13, a plurality of second air holes 4071 and first conveyor belt through holes 4072 through which the first conveyor belt 405 passes are formed in the supporting plate 407. The air outlet of the conveyer belt air duct box 420 is communicated with the air outlet at the bottom of the air duct plate 409, and the air inlet of the conveyer belt air duct box 420 is communicated with the fan 422. As shown in fig. 8, the conveyor air channel box 420 is provided with a through hole 421 which does not interfere with the passage of the first conveyor belt 405. The bottom of each air duct plate 409 is further provided with a plurality of first positioning rods 410 for supporting the air duct plates 409 at intervals, and two sides of each air duct plate 409 and the first positioning rods 410 are fixedly connected with the inner sides of the first upper side plate 1 and the second upper side plate 2 respectively.

As shown in fig. 4 and 5, two axial ends of each first tensioning wheel 415 are respectively movably connected with a guide block 416, and each adjacent guide block 416 is fixedly connected with one side of a tensioning mounting plate 417; a tensioning shaft fixing block 413 is further arranged between the adjacent guide blocks 416, a tensioning connecting rod 419 penetrates through the tensioning mounting plate 417 and is connected with the tensioning shaft fixing block 413, a tensioning spring 418 is further sleeved on one side, extending out of the tensioning mounting plate 417, of the tensioning connecting rod 419, and the tensioning spring 418 is locked by a tensioning screw.

As shown in fig. 10, 11, 12, 15, 16 and 17, the removing device is composed of a second motor 505, a lower conveying device 501 for conveying NG paper, and a decelerating paper pressing device 503 for decelerating and pressing the NG paper, and the output end of the second motor 505 transmits a kinematic pair to the lower conveying device 501 and the decelerating paper pressing device 503 through a multistage transmission mechanism.

The specific structure of the lower conveying device 501 is as follows: comprises a third transition roller shaft 5012, a second driving roller shaft 5014, a driving roller 5015 and a driven roller 50291;

two ends of the third transition roller shaft 5012 are connected with the inner side of the first upper side plate 1 through a second flange 5011 with a bearing, one shaft end of the second driving roller shaft 5014 is also connected with the inner side of the first upper side plate 1 through the second flange 5011 with a bearing, and the other shaft end of the second driving roller shaft 5014 penetrates through the other first upper side plate 1 through a bearing and is matched with a secondary transmission end of the multistage transmission mechanism; a plurality of second conveying belts 5013 are wound between the adjacent third transition roller shaft 5012 and the second driving roller shaft 5014, each second conveying belt 5013 is supported and positioned by a plurality of second positioning rods 5016, two ends of each second positioning rod 5016 are fixedly connected with the inner wall of the first upper side plate 1, and a first tensioning device for adjusting the tension degree of the second conveying belt 5013 is further arranged between the adjacent two second positioning rods 5016;

The first tensioning device comprises a second tensioning shaft 5017 fixedly connected between two first upper side plates 1, a plurality of first swing arms 5018 are sequentially matched on the second tensioning shaft 5017 at intervals, second tensioning wheels 5019 are movably connected on each first swing arm 5018 through shafts, and the second tensioning wheels 5019 are in butt joint with each second conveying belt 5013.

As shown in fig. 10, 11, 12, 15, 16 and 17, one end of the driving roller 5015 penetrates through the first upper side plate 1 through a bearing and is matched with a primary transmission end of the multi-stage transmission mechanism, and the other end of the driving roller 5015 penetrates through the other first upper side plate 1 through a bearing and is matched with a secondary transmission end of the multi-stage transmission mechanism; one end of the driven roller 50291 is connected with the first upper side plate 1 through a bearing, and the other end of the driven roller 50291 penetrates through the other first upper side plate 1 through a bearing and is matched with a primary transmission end of the multi-stage transmission mechanism; the cylinder body of the driven roller 50291 is also matched with a plurality of driven wheels 50292, one end of a plurality of third conveying belts 5025 is wound on each driven wheel 50292, the other end of each third conveying belt 5025 is wound on the driving roller 5015, and a second tensioning device for tensioning the third conveying belt 5025 is further arranged between the adjacent driving roller 5015 and the driven roller 50291.

As shown in fig. 10, the second tensioning device also includes a pair of first connecting plates 5020 fixedly connected between the first upper side plates 1, a plurality of reinforcing plates 50201 are connected between the pair of first connecting plates 5020, a first fixing rod 5021 penetrates through the reinforcing plates 50201, a plurality of second swing arms 5022 which are arranged at intervals are arranged on the first fixing rod 5021, third tensioning wheels 5023 are movably connected on each second swing arm 5022 through tensioning wheel shafts 5024, and each third tensioning wheel 5023 is in butt connection with the inner side of a third conveying belt 5025.

As shown in fig. 1 and 12, the multi-stage transmission mechanism comprises a primary transmission end arranged outside one first upper side plate 1 and a secondary transmission end arranged outside the other first upper side plate 1;

as shown in fig. 1 and 12, the primary driving end includes a third pulley 5061, a fourth tensioning wheel 5063, a first driving gear 5064, a second driving gear 5065, a fifth tensioning wheel 5066 and a driven gear 50293 which are connected by a third driving belt 5062 in a winding manner, the fourth tensioning wheel 5063 is a group of two and is symmetrically distributed with the third pulley 5061 as a center, wherein the third pulley 5061 is connected with the output end of the second motor 505, the first driving gear 5064 is connected with one end of the driving roller 5015, the second driving gear 5065 is connected with one end of the circular belt driving shaft 5067, and the rotation directions of the first driving gear 5064 and the second driving gear 5065 are opposite, so that the rotation directions of the driving roller 5015 and the circular belt driving shaft 5067 are opposite. The driven gear 50293 is mounted to one end of the driven roller 50291.

As shown in fig. 11, the secondary transmission end comprises a first transmission wheel 5027 and a second transmission wheel 5028, and the first transmission wheel 5027 and the second transmission wheel 5028 are in wound connection through a second transmission belt 5026. Wherein a first drive wheel 5027 is engaged with the other end of the drive roller 5015 and a second drive wheel 5028 is engaged with the other end of the second drive roller shaft 5014.

As shown in fig. 15, 16 and 17, the deceleration platen 503 includes a mounting plate 5031, and two sides of the mounting plate 5031 are fixedly connected to the inner sides of the two first upper side plates 1; the two sides of the bottom of the mounting plate 5031 are fixedly connected with first fixing plates 5032 respectively, the inner sides of the first fixing plates 5032 are sequentially connected with a plurality of driving shaft fixing blocks 5037 through first connecting blocks 5034, second connecting blocks 5035 and pins 5036, the front ends of the driving shaft fixing blocks 5037 are jointly penetrated by a circular belt driving shaft 5067, one end of the circular belt driving shaft 5067 is connected with the inner side of the first upper side plate 1 through a bearing, and the other end of the circular belt driving shaft 5067 is matched with a second transmission gear 5065 of the multistage transmission mechanism; an idler shaft 5038 is also connected between adjacent driving shaft fixing blocks 5037 at the rear end of each driving shaft fixing block 5037, circular idler pulleys 5039 are arranged on the circular belt driving shaft 5067 and the idler shaft 5038, and a circular belt 50310 is connected between the circular idler pulleys 5039 of the circular belt driving shaft 5067 and each circular idler pulley 5039 on the idler shaft 5038; a third tensioning device for tensioning the round belt 50310 is also provided on the mounting plate 5031.

As shown in fig. 15, 16 and 17, the device further comprises a second fixing plate 50314 fixedly connected with the mounting plate 5031, the second fixing plate 50314 is fixedly connected with the speed reducing bearing seat 50315, the first positioning block 50316 is vertically arranged on one side of the speed reducing bearing seat 50315, the speed reducing bearing seat 50315 is movably connected with a shifting fork plate 50317 through a shifting fork shaft 50318, two sides of one end part of the shifting fork plate 50317 are also movably connected with paper pressing wheels 50319, the outer side of the other end of the shifting fork plate 50317 is pivoted with one end of a connecting block 50320 through a shifting fork block 50322, and the other end of the connecting block 50320 is connected with a piston of a shifting fork cylinder 50321; the other end of the shifting fork plate 50317 is connected with the first positioning block 50316 by an adjusting screw.

As shown in fig. 10, 11, 15, 16 and 17, the third tensioning device includes a plurality of tensioning brackets 50311 fixedly connected to a mounting plate 5031, and each tensioning bracket 50311 is jointly matched with a third tensioning shaft 50313 through a tensioning fixing block 50312. The two sides of the bottom of the mounting plate 5031 are fixedly connected with pipe fixing plates 5033, a first air blowing pipe 50331 is matched between the pipe fixing plates 5033, and a plurality of air holes are formed in the first air blowing pipe 50331 and used for stacking paper. As shown in fig. 10, a supporting plate 5041 is further fixedly connected between the adjacent first upper side plates 1, a pair of air-blowing pipe fixing blocks 5042 are fixedly connected to the supporting plate 5041, a second air-blowing pipe 5043 is arranged between the pair of air-blowing pipe fixing blocks 5042, and a plurality of air-blowing branch pipes 5044 extend from the air-blowing pipe fixing blocks 5042 and are used for stacking paper sheets. The positioning device 504 is further included, the positioning device 504 comprises an extending fixing rod 5047 fixedly connected with one side of the supporting plate 5041, and a plurality of positioning pipes 5049 which are arranged at intervals are fixedly connected on the extending fixing rod 5047. The fixing device also comprises a fixing strip 5046, wherein two ends of the fixing strip 5046 are fixedly connected with the first upper side plate 1 through fixing strip locating sleeves 5045, one side of the fixing strip 5046 is fixedly connected with a plurality of lower paper locating plates 5048 which are arranged at intervals, and each lower paper locating plate 5048 is staggered with a locating pipe 5049.

As shown in fig. 18, 19 and 20, the specific structure of the blocking device 6 is as follows:

the device comprises a third motor 601 arranged on the inner side of a first upper side plate 1, wherein an output shaft of the third motor 601 penetrates through the first upper side plate 1 and is matched with a cam 602, a lever 603 is movably connected to the outer side of the first upper side plate 1 through a lever shaft 6031, one end of the lever 603 is close to the cam 602, a cam shaft 608 is arranged on the other end of the lever 603, one end of a swinging rod 605 with an adjusting hole 6051 is matched with the cam shaft 608, the other end of the swinging rod 605 is matched with a rotating shaft 606, the rotating shaft 606 is arranged between the two first upper side plates 1 through bearing blocks, and a blocking plate 607 is sleeved on the periphery of the rotating shaft 606 between the two first upper side plates 1; one end of the lever 603, on which the cam shaft 608 is mounted, is also connected to one end of the tension spring 604, and the other end of the tension spring 604 is connected to the outside of the first upper side plate 1 by a fastener.

As shown in fig. 21, 22, 23 and 24, the chain elevating device 7 has the following specific structure: including fourth motor 701, driving sprocket 702 is connected to the output of fourth motor 701, and driving sprocket 702 passes through chain 705 to be connected with first driven sprocket 704, still sets up the tensioning sprocket 703 that is used for adjusting chain 705 rate of tension in the outside of first upper side plate 1, and tensioning sprocket 703 can carry out position control for first upper side plate 1 through the sprocket regulating plate. The first driven sprocket 704 is matched with a sprocket shaft 706, the sprocket shaft 706 penetrates through one first upper side plate 1 and is matched with the other first upper side plate 1 through a bearing seat, a pair of lifting driving sprockets 707 are matched on the sprocket shaft 706 between the adjacent first upper side plates 1, the lifting driving sprockets 707 are double-tooth gears, a chain pressing block 709 is arranged above each chain tooth in the lifting driving sprockets 707, and each chain pressing block 709 is in pin joint with the inner side of the first upper side plate 1 through a connecting pin 708; a chain stripping block 714 is arranged below each chain tooth in the lifting driving chain wheel 707, and the chain stripping block 714 is fixedly connected with the inner side of the first upper side plate 1 through a gasket; the inner side of each second upper side plate 2 is also connected with a second driven sprocket 715 through a bearing seat, one side tooth end of the lifting driving sprocket 707 is in wound connection with a first chain 710, one end of the first chain 710 bypasses the second driven sprocket 715 and is connected with a chain fixing block 712, and the other end of the first chain 710 bypasses one side tooth end of the lifting driving sprocket 707 and is in contact with a chain pressing block 709; the other side tooth end of the lifting driving sprocket 707 is wound with a second chain 711, one end of each second chain 711 is also connected with another chain fixing block 712, and the other end of each second chain 711 bypasses the other side tooth end of the lifting driving sprocket 707 and also contacts with the chain pressing block 709; each chain fixing block 712 is disposed at four corners of the elevation plate 713.

As shown in fig. 25, 26 and 27, the specific structure of the multidirectional positioning blocking device 8 is as follows: the device comprises support seat connecting blocks 801 fixedly connected to the front and rear ends of the inner side of the second upper side plate 2, guide rod positioning blocks 802 are arranged on the support seat connecting blocks 801, a pair of adjusting rods 804 are matched between adjacent guide rod positioning blocks 802, and a pair of first adjusting rod seats 803 and a pair of second adjusting rod seats 830 are respectively matched on the adjusting rods 804;

each first adjusting rod seat 803 is fixedly connected with the inner side of the second upper side plate 2 through a third fixing plate 805, a second fixing rod 806 is arranged between every two adjacent third fixing plates 805, a plurality of first sliding block fixing blocks 807 are fixedly connected on the second fixing rods 806, the first sliding block fixing blocks 807 are connected with the first sliding blocks 809 through second sliding block fixing blocks 808, the first sliding blocks 809 are in sliding connection with first sliding rails 810, and the first sliding rails 810 are fixedly connected with the first positioning plates 813 through second positioning blocks 811;

the transverse guide rods 815 are connected between the left and right adjacent second adjusting rod seats 830, each transverse guide rod 815 extends out of the second adjusting rod seat 830 to be matched with the fourth fixing plate 814, and the fourth fixing plate 814 is fixedly connected to the inner side of the second upper side plate 2. Each transverse guide rod 815 is matched with the butt plate 816, the fixed seat 817 is fixedly connected to the butt plate 816, one end of the round shaft 818 is connected with the fixed seat 817, the other end of the round shaft 818 is connected with the supporting seat 819, and the supporting seat 819 is positioned between the front and rear adjacent second adjusting rod seats 830; the bottoms of the second adjusting rod seats 830 and the supporting seats 819 are connected with the first supporting plate 820, one ends of a pair of second supporting plates 821 are fixedly connected with the first supporting plate 820, a cylinder fixing plate 822 is fixedly connected between the other ends of the adjacent second supporting plates 821, a cylinder 825 is fixedly connected on the cylinder fixing plate 822, one ends of a pair of guide rods 824 penetrate through the cylinder fixing plate 822 and are connected with a guide rod fixing plate 823 fixedly connected to the inner side of the second upper side plate 2, the other ends of the guide rods 824 are matched with a third sliding block fixing block 826, the inner side of the third sliding block fixing block 826 is connected with a piston rod of the cylinder 825, the outer side of the third sliding block fixing block 826 is connected with a second sliding block 827, the second sliding block 827 is in sliding connection with a second sliding rail 828, and each second sliding rail 828 is also connected with a second positioning plate 829 through a second positioning block 811. A baffle plate 812 is provided on the inner side of each of the first positioning plate 813 and the second positioning plate 829 on one side of each of the second positioning blocks 811.

The specific working process of the invention is as follows:

as shown in fig. 1 to 9, the first motor 401 is started to drive the first driving roller shaft 408 to rotate through the first transmission mechanism, the first driving roller shaft 408 rotates and drives the first conveying belt 405, the first transition roller shaft 411 and the second transition roller shaft 414 to rotate in sequence, meanwhile, the fan 422 sucks air into the supporting plate 407 and the first conveying belt 405 through the conveying belt air duct box 420, and the first conveying belt 405 has adsorption force due to the first air holes 4051 on the first conveying belt 405 and the second air holes 4071 on the supporting plate 407, so that good paper can be conveyed to a designated position through the upper conveying device 4.

When NG defective paper is detected by the external detection device, first, the blocking device 6 is started, as shown in fig. 18, 19 and 20, the third motor 601 is started and drives the cam 602 to rotate in a small range, the convex end of the cam 602 contacts with one end of the lever 603, and since the lever 603 is movably connected with the first upper side plate 1 through the lever shaft 6031, one end of the lever 603 swings forward with the lever shaft 6031 as a rotation point, and simultaneously the other end of the lever 603 swings backward, and since the other end of the lever 603 is matched with the swing rod 605 through the cam shaft 608 and the swing rod 605 is matched with the rotating shaft 606, the swing rod drives the rotating shaft 606 to rotate reversely, and the blocking plate 607 is matched with the rotating shaft 606, so that the blocking plate 607 is opened and NG defective paper enters the lower conveying device 501.

As shown in fig. 11, 12, 13, 15, 16 and 17, the output end of the second motor 505 sequentially drives the first transmission gear 5064, the second transmission gear 5065 and the driven gear 50293 to rotate through the third pulley 5061, the first transmission gear 5064 is connected to one end of the driving roller 5015, the second transmission gear 5065 is connected to one end of the circular belt driving shaft 5067, wherein the rotation directions of the first transmission gear 5064 and the second transmission gear 5065 are opposite, the rotation directions of the driving roller 5015 and the circular belt driving shaft 5067 are opposite, and the driven gear 50293 is mounted to one end of the driven roller 50291. And the first drive wheel 5027 is engaged with the other end of the drive roller 5015, and the second drive wheel 5028 is engaged with the other end of the second drive roller shaft 5014. Therefore, the driving roller 5015 rotates to drive the second driving roller shaft 5014 to rotate, and the second driving roller shaft 5014 is connected with the third transition roller shaft 5012 through a plurality of second conveying belts 5013, so that power is transmitted through the second conveying belts 5013 to rotate the third transition roller shaft 5012, and the NG defective paper is conveyed.

The NG defective paper is transported by the second transportation belt 5013 and the third transportation belt 5025 and then passes through the speed reduction paper pressing device 503, the upper part of the NG defective paper contacts with the round idler 5039, the power of the round idler 5039 comes from the round belt driving shaft 5067, and the end part of the round belt driving shaft 5067 is matched with the second transmission gear 5065 to receive the power. As shown in fig. 15 and 16, the NG defective paper is started by the fork cylinder 50321 before falling, and the piston rod drives the fork block 50322 and the fork plate 50317 to move forward in a small range through the connecting block 50320, so that the paper pressing wheel 50319 applies pressure to the NG defective paper, thereby realizing the speed reduction of the NG defective paper which is transmitted at high speed and preventing the NG defective paper from suddenly flying out.

As shown in fig. 20, 21, 22 and 23, before the NG defective paper is dropped, the fourth motor 701 is started by the fourth motor 701, the fourth motor 701 drives the first driven sprocket 704 to rotate through the chain 705, and since the first driven sprocket 704 is matched with the sprocket shaft 706 and the sprocket shaft 706 is also matched with the lifting driving sprocket 707, the lifting driving sprocket 707 rotates to drive the first chain 710 and the second chain 711 to lift the lifting plate 713, when the first NG defective paper drops, the lifting plate 713 is located at the highest position, and then when each NG defective paper drops, the rising height of the lifting plate 713 is gradually decreased, and when the NG defective paper drops, three edges of the NG defective paper are always dropped onto the lifting plate 713 by the contact of the first positioning plate 813 and the second positioning plate 829. As shown in fig. 25 to 8, the second positioning plate 829 may be activated and extended by the piston of the cylinder 825, thereby adjusting the lateral spacing to accommodate different paper lengths. The first positioning plate 813 can be manually adjusted to the position of the first sliding rail 810 relative to the first sliding block 809, or can be replaced by a cylinder to realize automatic adjustment.

The invention has simple structure and convenient use, can realize the separate conveying of good paper and NG defective paper, can prevent the good paper from entering the defective product collecting place by arranging the blocking device, simultaneously is convenient for the NG defective paper to quickly fall down to the lower conveying device, can realize the conveying stability of the NG defective paper by using the lower conveying device, the speed-reducing paper pressing device and the positioning device, prevent the NG defective paper from flying out at high speed, and each group of conveying belts is provided with the tensioning device for automatic correction, the arrangement of the chain lifting device is used for self-adapting the output height of each NG defective paper, so that the NG defective paper falls into the lifting plate at a close distance to ensure automatic stacking, and the arrangement of the multidirectional positioning blocking device ensures that the NG defective paper is always stacked in the range of the lifting plate to avoid flying out.

The above description is illustrative of the invention and not limiting, the scope of the invention being defined by the appended claims, which may be modified in any manner without departing from the basic structure of the invention.

Claims (8)

1. The utility model provides a carry and reject structure for sorter, includes a pair of interval arrangement's first upper side board (1), a pair of second upper side board (2) and many pairs of lower side board (3), one side and the second upper side board (2) rigid coupling of first upper side board (1), the opposite side rigid coupling of each lower side board (3) all and first upper side board (1), its characterized in that: an upper conveying device (4), a removing device, a blocking device (6) for preventing good paper from entering the removing device, a chain lifting device (7) for lifting and receiving NG paper step by step and a multidirectional positioning blocking device (8) for preventing the NG paper from falling out are arranged between the adjacent first upper side plate (1) and second upper side plate (2);

the specific structure of the blocking device (6) is as follows:

the novel cam mechanism comprises a third motor (601) arranged on the inner side of a first upper side plate (1), wherein an output shaft of the third motor (601) penetrates through the first upper side plate (1) and is matched with a cam (602), a lever (603) is movably connected to the outer side of the first upper side plate (1) through a lever shaft (6031), one end of the lever (603) is close to the cam (602), a cam shaft (608) is arranged at the other end of the lever (603), one end of a swinging rod (605) with a hole is matched with the cam shaft (608), the other end of the swinging rod (605) is matched with a rotating shaft (606), the rotating shaft (606) is arranged between two first upper side plates (1) through bearing seats, and a blocking plate (607) is sleeved between the two first upper side plates (1) and at the periphery of the rotating shaft (606); one end of the lever (603), provided with a cam shaft (608), is also connected with one end of a tension spring (604), and the other end of the tension spring (604) is connected with the outer side of the first upper side plate (1) through a fastener;

The specific structure of the multidirectional positioning blocking device (8) is as follows: the device comprises a supporting seat connecting block (801) fixedly connected to the front end and the rear end of the inner side of a second upper side plate (2), a guide rod positioning block (802) is fixedly connected to the supporting seat connecting block (801), an adjusting rod (804) is matched between adjacent guide rod positioning blocks (802), and a pair of first adjusting rod seats (803) and a pair of second adjusting rod seats (830) are respectively matched on the adjusting rod (804);

each first adjusting rod seat (803) is fixedly connected with the inner side of the second upper side plate (2) through a third fixing plate (805), a second fixing rod (806) is arranged between every two adjacent third fixing plates (805), a plurality of first sliding block fixing blocks (807) are fixedly connected on the second fixing rods (806), the first sliding block fixing blocks (807) are connected with first sliding blocks (809) through second sliding block fixing blocks (808), the first sliding blocks (809) are in sliding connection with first sliding rails (810), and the first sliding rails (810) are fixedly connected with first positioning plates (813) through second positioning blocks (811);

the transverse guide rods (815) are connected between the left and right adjacent second adjusting rod seats (830), the transverse guide rods (815) are matched with the abutting plates (816), the fixing seats (817) are fixedly connected to the abutting plates (816), one end of the round shaft (818) is connected with the fixing seats (817), the other end of the round shaft (818) is connected with the supporting seat (819), and the supporting seat (819) is positioned between the front and rear adjacent second adjusting rod seats (830); the bottoms of the second adjusting rod seats (830) and the supporting seats (819) are connected with a first supporting plate (820) jointly, one end of a pair of second supporting plates (821) is fixedly connected with the first supporting plate (820), an air cylinder fixing plate (822) is fixedly connected between the other ends of the adjacent second supporting plates (821), an air cylinder (825) is fixedly connected to the air cylinder fixing plate (822), one ends of a pair of guide rods (824) penetrate through the air cylinder fixing plate (822) and are connected with a guide rod fixing plate (823) fixedly connected to the inner side of a second upper side plate (2), the other ends of the guide rods (824) are matched with a third sliding block (826), the inner side of the third sliding block (826) is connected with a piston rod of the air cylinder (825), the outer side of the third sliding block (826) is connected with a second sliding block (827), and the second sliding block (827) is in sliding connection with a second sliding rail (828), and the second sliding rails (828) are also connected with a second positioning plate (829) through positioning blocks (811).

2. A transport reject structure for a sorter as in claim 1 wherein: the upper conveying device (4) has the following specific structure:

the belt conveyor comprises a first motor (401), wherein the output end of the first motor (401) is connected with a first driving roller shaft (408) through a first transmission mechanism, the first driving roller shaft (408) is in winding connection with one ends of a plurality of first conveying belts (405), and the other ends of the first conveying belts (405) sequentially pass through a first transition roller shaft (411), a first tensioning wheel (415) and are wound back through a second transition roller shaft (414); one end shaft end of the first driving roller shaft (408) is connected with the second upper side plate (2) through a roller bearing seat, and the shaft ends of the first transition roller shaft (411) and the second transition roller shaft (414) are also connected with the first upper side plate (1) through the roller bearing seat and the first flange (412); a plurality of mutually spliced air duct plates (409) are further arranged between the adjacent first driving roller shafts (408) and the first transition roller shafts (411), a supporting plate (407) through which a first conveying belt (405) passes is arranged at the top of each air duct plate (409), an air outlet of a conveying belt air duct box (420) is communicated with an air outlet at the bottom air opening of each air duct plate (409), and an air inlet of the conveying belt air duct box (420) is communicated with a fan (422); the bottom of each air duct plate (409) is also provided with a plurality of first positioning rods (410) which are used for supporting the air duct plates (409) at intervals in sequence, and two sides of each air duct plate (409) and each first positioning rod (410) are fixedly connected with the inner sides of the first upper side plate (1) and the second upper side plate (2) respectively.

3. A transport reject structure for a sorter as in claim 2 wherein: the two ends of the shaft of each first tensioning wheel (415) are respectively and movably connected with guide blocks (416), and the adjacent guide blocks (416) are fixedly connected with one side of a tensioning mounting plate (417); tensioning shaft fixing blocks (413) are further arranged between adjacent guide blocks (416), tensioning connecting rods (419) penetrate through the tensioning mounting plates (417) and are connected with the tensioning shaft fixing blocks (413), tensioning springs (418) are further sleeved on one sides, extending out of the tensioning mounting plates (417), of the tensioning connecting rods (419), and the tensioning springs (418) are locked by tensioning screws.

4. A transport reject structure for a sorter as in claim 1 wherein: the removing device sequentially comprises a second motor (505), a lower conveying device (501) for conveying NG paper and a deceleration paper pressing device (503) for decelerating and pressurizing the NG paper, wherein the output end of the second motor (505) is used for transmitting a kinematic pair through the lower conveying device (501) and the deceleration paper pressing device (503) through a multi-stage transmission mechanism.

5. A transport reject structure for a sorter as in claim 4 wherein: the specific structure of the lower conveying device (501) is as follows: comprises a third transition roller shaft (5012), a second driving roller shaft (5014), a driving roller (5015) and a driven roller (50291);

The two ends of the third transition roller shaft (5012) are connected with the inner side of the first upper side plate (1) through a second flange (5011) with a bearing, one shaft end of the second driving roller shaft (5014) is also connected with the inner side of the first upper side plate (1) through the second flange (5011) with the bearing, and the other shaft end of the second driving roller shaft (5014) penetrates through the other first upper side plate (1) through the bearing and is matched with the two-stage transmission end of the multi-stage transmission mechanism; a plurality of second conveying belts (5013) are wound between the adjacent third transition roller shaft (5012) and the second driving roller shaft (5014), each second conveying belt (5013) is supported and positioned by a plurality of second positioning rods (5016), two ends of each second positioning rod (5016) are fixedly connected with the inner wall of the first upper side plate (1), and a first tensioning device for adjusting the tension degree of the second conveying belt (5013) is further arranged between the adjacent two second positioning rods (5016);

one end of the driving roller (5015) penetrates through the first upper side plate (1) through a bearing and is matched with a first-stage transmission end of the multi-stage transmission mechanism, and the other end of the driving roller (5015) penetrates through the other first upper side plate (1) through a bearing and is matched with a second-stage transmission end of the multi-stage transmission mechanism; one end of the driven roller (50291) is connected with the first upper side plate (1) through a bearing, and the other end of the driven roller (50291) penetrates through the other first upper side plate (1) through the bearing and is matched with the primary transmission end of the multi-stage transmission mechanism; the cylinder body of the driven roller (50291) is further matched with a plurality of driven wheels (50292), one ends of a plurality of third conveying belts (5025) are connected with the driven wheels (50292) in a wound mode, the other ends of the third conveying belts (5025) are connected with the driving roller (5015) in a wound mode, and a second tensioning device used for tensioning the third conveying belts (5025) is further arranged between the adjacent driving roller (5015) and the driven roller (50291).

6. A transport reject structure for a sorter as in claim 5 wherein: the multistage transmission mechanism comprises a first stage transmission end arranged on the outer side of one first upper side plate (1) and a second stage transmission end arranged on the outer side of the other first upper side plate (1);

the primary transmission end comprises a third belt pulley (5061), a fourth tensioning wheel (5063), a first transmission gear (5064), a second transmission gear (5065), a fifth tensioning wheel (5066) and a driven gear (50293) which are connected in a wound mode through a third transmission belt (5062), and the fourth tensioning wheels (5063) are symmetrically distributed by taking the third belt pulley (5061) as a center;

the secondary transmission end comprises a first transmission wheel (5027) and a second transmission wheel (5028), and the first transmission wheel (5027) and the second transmission wheel (5028) are connected in a winding mode through a second transmission belt (5026).

7. A transport reject structure for a sorter as in claim 4 wherein: the deceleration paper pressing device (503) comprises a mounting plate (5031), and two sides of the mounting plate (5031) are fixedly connected with the inner sides of the two first upper side plates (1) respectively; the two sides of the bottom of the mounting plate (5031) are fixedly connected with first fixing plates (5032) respectively, the inner sides of the first fixing plates (5032) are sequentially connected with a plurality of driving shaft fixing blocks (5037) through first connecting blocks (5034), second connecting blocks (5035) and pins (5036), the front ends of the driving shaft fixing blocks (5037) are jointly penetrated by a circular driving shaft (5067), one end of the circular driving shaft (5067) is connected with the inner side of a first upper side plate (1) through a bearing, and the other end of the circular driving shaft (5067) is matched with a second transmission gear (5065) of the multistage transmission mechanism; an idler shaft (5038) is further connected between adjacent driving shaft fixing blocks (5037) at the rear end of each driving shaft fixing block (5037), round idler wheels (5039) are arranged on the round belt driving shafts (5067) and the idler shaft (5038), and a round belt (50310) is connected between the round idler wheels (5039) of the round belt driving shafts (5067) and the round idler wheels (5039) on the idler shaft (5038); a third tensioning device for tensioning the round belt (50310) is also arranged on the mounting plate (5031);

The automatic paper pressing device is characterized by further comprising a second fixing plate (50314) fixedly connected with the mounting plate (5031), wherein the second fixing plate (50314) is fixedly connected with a speed reduction bearing seat (50315), a first positioning block (50316) is vertically arranged on one side of the speed reduction bearing seat (50315), a shifting fork plate (50317) is movably connected on the speed reduction bearing seat (50315) through a shifting fork shaft (50318), paper pressing wheels (50319) are also movably connected on two sides of one end part of the shifting fork plate (50317), the outer side of the other end of the shifting fork plate (50317) is pivoted with one end of a connecting block (50320) through a shifting fork block (50322), and the other end of the connecting block (50320) is connected with a piston of a shifting fork cylinder (50321); the inner side of the other end of the shifting fork plate (50317) is connected with a first positioning block (50316) through an adjusting screw.

8. A transport reject structure for a sorter as in claim 1 wherein: the specific structure of the chain lifting device (7) is as follows: the motor comprises a fourth motor (701), wherein the output end of the fourth motor (701) is connected with a driving chain wheel (702), and the driving chain wheel (702) is connected with a first driven chain wheel (704) through a chain (705); the first driven sprocket (704) is matched with a sprocket shaft (706), the sprocket shaft (706) penetrates through one first upper side plate (1) and is matched with the other first upper side plate (1) through a bearing seat, a pair of lifting driving sprockets (707) are matched between the adjacent first upper side plates (1) on the sprocket shaft (706), the lifting driving sprockets (707) are double-tooth gears, chain pressing blocks (709) are arranged above each sprocket in the lifting driving sprockets (707), and each chain pressing block (709) is in pin joint with the inner side of the first upper side plate (1) through a connecting pin (708); a chain stripping block (714) is arranged below each chain tooth in the lifting driving chain wheel (707), and the chain stripping block (714) is fixedly connected with the inner side of the first upper side plate (1) through a gasket; the inner side of each second upper side plate (2) is also connected with a second driven sprocket (715) through a bearing seat, one side tooth end of the lifting driving sprocket (707) is in winding connection with a first chain (710), one end of the first chain (710) bypasses the second driven sprocket (715) and is connected with a chain fixing block (712), and the other end of the first chain (710) bypasses one side tooth end of the lifting driving sprocket (707) and is in contact with a chain pressing block (709); the other side tooth end of the lifting driving sprocket (707) is wound with a second chain (711), one end of each second chain (711) is also connected with the other chain fixing block (712), and the other end of each second chain (711) bypasses the other side tooth end of the lifting driving sprocket (707) and is also contacted with the chain pressing block (709); the chain fixing blocks (712) are distributed at four corners of the lifting plate (713).