CN210676042U - Conveying and rejecting structure for sorting machine - Google Patents

Abstract

The utility model relates to a carry and reject structure for sorter, first curb plate, a pair of second curb plate and many pairs of curb plate including a pair of interval arrangement, one side and the second curb plate rigid coupling of first curb plate, each curb plate all with the opposite side rigid coupling of first curb plate down set up conveyor, removing devices, blocking device, chain elevating gear and multidirectional location blocking device between adjacent first curb plate and second curb plate. The utility model discloses can realize separately carrying yields paper and NG defective products paper, stop device can prevent that the yields paper from getting into defective products and collecting the department, and its NG defective products paper of being convenient for falls rapidly to conveyor down simultaneously, and lower conveyor, speed reduction press paper device and positioner realize the transport stability of NG defective products paper, prevent the high-speed departure of NG defective products paper.

Description

Conveying and rejecting structure for sorting machine

Technical Field

The utility model relates to a sorter equipment field especially relates to a carry rejection structure for sorter.

Background

The traditional paper sorting machine detects the defects of paper after the paper is rolled, and if NG products appear, the paper is taken out after being shut down by workers.

SUMMERY OF THE UTILITY MODEL

The applicant aims at the existing problems, researches and improves, provides a conveying and rejecting structure for a sorting machine, can realize separation of NG (fine blanking) products and normal paper, realizes automatic stacking of the NG products, saves time and labor, and greatly improves production efficiency.

The utility model discloses the technical scheme who adopts as follows:

the utility model provides a carry rejection structure for sorter, includes a pair of interval arrangement's first curb plate, a pair of second curb plate and many pairs of curb plate down, one side and the second curb plate rigid coupling of first curb plate, each curb plate down all with the opposite side rigid coupling of first curb plate, set up between adjacent first curb plate and the second curb plate and be used for last conveyor, the removing device that the yields paper was carried, be used for preventing that the yields paper from getting into removing device's blocking device, be used for going up and down step by step and receive the chain elevating gear of NG article paper and be used for preventing the multidirectional location blocking device that NG article paper dropped out.

The further technical scheme is as follows:

the upper conveying device has the following specific structure:

the device 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 connected with one ends of a plurality of first conveying belts in a winding manner, and the other end of each first conveying belt sequentially passes through a first transition roller shaft and a first tensioning wheel and is 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 the roller bearing seats and the first flanges; a plurality of mutually spliced air duct plates are further arranged between the adjacent first driving roller shaft and the first transition roller shaft, a supporting plate for a first conveying belt to pass through is arranged at the top of each air duct plate, an air port at the bottom of each air duct plate is communicated with an air outlet of the conveying belt air duct box, and an air inlet of the conveying belt air duct box is communicated with a fan; a plurality of first positioning rods for supporting the air duct plates are sequentially arranged at intervals at the bottom of each air duct plate, and two sides of each air duct plate and the first positioning rods are fixedly connected with the inner sides of the first upper side plate and the second upper side plate respectively;

two ends of the shaft of each first tensioning wheel are respectively movably connected with a guide block, and 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 rejecting device sequentially comprises a second motor, a lower conveying device for conveying NG paper and a speed-reducing paper pressing device for reducing and pressurizing the NG paper, and the output end of the second motor transmits a kinematic pair to the lower conveying device and the speed-reducing paper pressing device through a multi-stage transmission mechanism;

the lower conveying device has the following specific structure: the device comprises a third transition roller shaft, a second driving roller shaft, a driving roller and a driven roller;

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 the second flange with the bearing, and the other shaft end of the second driving roller shaft penetrates through the other first upper side plate through the bearing and is matched with a secondary 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, two 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 tensioning degree of the second conveying belts is arranged between the two adjacent 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 primary transmission end of the multi-stage transmission mechanism; a plurality of driven wheels are matched on the cylinder body of the driven roller, 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 used for tensioning the third conveying belts is arranged between the adjacent driving roller and the driven roller;

the multi-stage 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 pulley, a first transmission gear, a second transmission gear, a fifth tensioning pulley and a driven gear which are wound and connected through a third transmission belt, and the fourth tensioning pulleys are divided into a group of two and 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 in wound connection through a second transmission belt;

the speed-reducing paper pressing device comprises a mounting plate, and 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 connected with a plurality of driving shaft fixing blocks sequentially through first connecting blocks, second connecting blocks and pins, the front ends of the driving shaft fixing blocks are penetrated through by a round driving shaft together, one end of the round driving shaft is connected with the inner side of a first upper side plate through a bearing, and the other end of the round 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 mounted on the round driving shafts and the idler shafts, and round belts are connected between the round idler wheels with the driving shafts and the round idler wheels on the idler shafts; a third tensioning device for tensioning the circular belt is further arranged on the mounting plate;

the paper pressing device is characterized by further comprising a second fixing plate fixedly connected with the mounting plate, the second fixing plate is fixedly connected with a speed reduction bearing seat, a first positioning block is vertically arranged on one side of the speed reduction bearing seat, the speed reduction bearing seat is movably connected with a shifting fork plate through a shifting fork shaft, paper pressing wheels are further movably connected to two sides of one end part of the shifting fork plate, the outer side of the other end of the shifting fork plate is pivoted with one end of a connecting block through the shifting fork block, and the other end of the connecting block is connected with a piston of a shifting fork cylinder; 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 with a hole of a swing rod is matched with the cam shaft, the other end of the swing rod is matched with a rotating shaft, the rotating shaft is arranged between the two first upper side plates through a bearing seat, and a blocking plate is further sleeved on the periphery of the rotating shaft between the two first upper side plates; one end of the lever, which is 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 output end of the fourth motor is connected with a driving chain wheel, and the driving chain wheel is connected with a first driven chain wheel through a chain; the first driven chain wheel is matched with a chain wheel shaft, the chain wheel 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 chain wheels are matched on the chain wheel shaft between the adjacent first upper side plates, the lifting driving chain wheels are double-tooth gears, chain pressing blocks are arranged above each chain tooth in the lifting driving chain wheels, 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 connected with a first chain in a winding manner, one end of the first chain is connected with a chain fixing block in a winding manner through the second driven sprocket, and the other end of the first chain is connected with a pressing chain block in a winding manner through one side tooth end of the lifting driving sprocket; the other side tooth end of the lifting driving sprocket is connected with a second chain in a winding manner, one end of each second chain is also connected with the other chain fixing block, and the other end of each second chain is connected with the other side tooth end of the lifting driving sprocket in a winding manner and is also in contact with the chain pressing block; each chain fixing block is distributed at four corners of the lifting plate;

the specific structure of the multidirectional positioning blocking device is as follows: the guide rod positioning blocks are fixedly connected to the supporting seat connecting blocks, an adjusting rod is matched between adjacent guide rod positioning blocks, and a pair of first adjusting rod seats and a pair of second adjusting rod seats are matched on the adjusting rod respectively;

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 onto the second fixing rods, the first sliding block fixing blocks are connected with first sliding blocks through the second sliding block fixing blocks, the first sliding blocks are connected with first sliding rails in a sliding mode, and the first sliding rails are fixedly connected with the first positioning plates through second positioning blocks;

the transverse guide rods are connected between the left adjacent second adjusting rod seats and the right adjacent second adjusting rod seats, the butt joint plates are matched on the transverse guide rods, the fixed seat is fixedly connected onto the butt joint plates, one end of the round shaft is connected with the fixed seat, the other end of the round shaft is connected with the supporting seat, and the supporting seat is positioned between the front adjacent second adjusting rod seats and the rear adjacent second adjusting rod seats; connect first backup pad jointly in the bottom of each second regulating rod seat and supporting seat, the one end and the first backup pad rigid coupling of a pair of second backup pad, rigid coupling cylinder fixed plate between the adjacent second backup pad other end, the cylinder rigid coupling in on the cylinder fixed plate, the one end of a pair of guide arm runs through the cylinder fixed plate and is connected in the inboard guide arm fixed plate of side on the second with the rigid coupling, the other end cooperation third slider fixed block of each guide arm, the inboard of third slider fixed block is connected with the piston rod of cylinder, the second slider is connected in the outside of third slider fixed block, second slider and second slide rail sliding connection, each second slide rail also through locating piece connection second locating plate.

The utility model has the advantages as follows:

the utility model discloses simple structure, high durability and convenient use, utilize the utility model discloses can realize separately carrying yields paper and NG defective products paper, through setting up blocking device, it can prevent that the yields paper from getting into defective products and collecting the department, its NG defective products paper of being convenient for falls rapidly to conveyor down simultaneously, utilize conveyor down, speed reduction press paper device and positioner can realize the transport stability of NG defective products paper, prevent the high-speed departure of NG defective products paper, every group transportation belt all sets up overspeed device tensioner and is used for automatic deviation rectification, the rate of tension of every transportation belt of setting ability self-adaptation of tensioning spring and tensioning connecting rod, and adjust the adaptation that every transportation belt realized according to the flexible volume of spring. Chain elevating gear arrange be used for the output height of every NG defective products paper of self-adaptation, make it closely fall into the lifter plate and guarantee to pile up automatically, and multidirectional location stop device's setting guarantees that NG defective products paper piles up at the within range of lifter plate all the time, avoids its departure, the utility model discloses degree of automation is high, labour saving and time saving, greatly reduced enterprise human cost's input, improved the production efficiency of enterprise greatly.

Drawings

Fig. 1 is an assembly diagram of the present invention.

Fig. 2 is a schematic structural diagram i of the middle conveying device of the present invention.

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

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

Fig. 5 is a schematic structural diagram iii of the middle conveying device of the present invention.

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

Fig. 7 is a schematic structural diagram iv of the middle conveying device of the present invention.

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

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

Fig. 10 is a schematic structural diagram i of the removing device of the present invention.

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

Fig. 12 is a schematic view of the transmission mode of the removing device of the present invention.

Fig. 13 is a schematic structural view of the middle support plate of the present invention.

Fig. 14 is a schematic structural view of the middle transmission flat belt of the present invention.

Fig. 15 is a schematic view of a local structure of the removing device of the present invention.

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

Fig. 17 is a schematic view of a local structure of the removing device of the present invention.

Fig. 18 is a schematic structural diagram i of the blocking device of the present invention.

Fig. 19 is a schematic structural diagram ii of the blocking device of the present invention.

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

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

Fig. 22 is a schematic view of a partial structure of the middle chain lifting device of the present invention.

Fig. 23 is a schematic view of a partial structure of the middle chain lifting device of the present invention.

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

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

Fig. 26 is a schematic partial structural view i of the structure of the multi-directional blocking device of the present invention.

Fig. 27 is a partial schematic structural diagram ii of the structure of the multi-directional blocking device of the present invention.

Fig. 28 is a partial schematic structural view iii 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 support plate; 4071. a second air hole; 4072. a first conveyor belt through hole; 408. a first drive roller shaft; 409. an air duct plate; 410. a first positioning rod; 411. a first transition roll shaft; 412. a first flange; 413. a tensioning shaft fixing block; 414. a second transition roll shaft; 415. a first tensioning wheel; 416. a guide block; 417. tensioning the mounting plate; 418. tensioning the spring; 419. a tension link; 420. a conveyor belt air duct box; 421. a through opening; 422. a fan; 501. a lower conveying device; 5011. a second flange; 5012. a third transition roll shaft; 5013. a second conveyor belt; 5014. a second drive roller shaft; 5015. an active roller; 5016. a second positioning rod; 5017. a second tensioning shaft; 5018. a first swing arm; 5019. a second tensioning wheel; 5020. a first connecting plate; 5021. a first fixing lever; 5022. a second swing arm; 5023. a third tension pulley; 5024. a tension pulley shaft; 5025. a third conveyor belt; 5026. a second drive belt; 5027. a first drive pulley; 5028. a second transmission wheel; 50291. a passive roller; 50292. a driven wheel; 50293. a driven gear; 503. a deceleration paper pressing device; 5031. mounting a plate; 5032. a first fixing plate; 5033. a pipe fixing plate; 50331. a first air blowing pipe; 5034. a first connection block; 5035. a second connecting 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 the bracket; 50312. tensioning a fixed block; 50313. a third tensioning shaft; 50314. a second fixing plate; 50315. a deceleration bearing seat; 50316. a first positioning block; 50317. a shifting fork plate; 50318. a fork shaft; 50319. a paper pressing wheel; 50320. connecting blocks; 50321. a shifting fork cylinder; 50322. a fork block; 504. a positioning device; 5041. a supporting plate; 5042. a gas blow pipe fixing block; 5043. a second gas blow pipe; 5044. an air blowing branch pipe; 5045. a fixed strip positioning sleeve; 5046. a fixing strip; 5047. an extension fixing rod; 5048. a lower paper positioning plate; 5049. a positioning tube; 505. a second motor; 5061. a third belt pulley; 5062. a third drive belt; 5063. a fourth tensioning wheel; 5064. a first drive gear; 5065. a second transmission gear; 5066. a fifth tensioning wheel; 5067. a circular 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 hole; 605. a swing rod; 606. a rotating shaft; 607. a blocking plate; 608. a camshaft; 7. a chain lifting device; 701. a fourth motor; 702. a drive sprocket; 703. a tension sprocket; 7031. a tension sprocket adjusting plate; 704. a first driven sprocket; 705. a chain; 706. a sprocket shaft; 707. a lifting drive sprocket; 708. a connecting pin; 709. pressing a chain 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 adjustment lever seat; 804. adjusting a rod; 805. a third fixing plate; 806. a second fixing bar; 807. a first slider fixing block; 808. a second slider fixed block; 809. a first slider; 810. a first slide rail; 811. a second positioning block; 812. a baffle plate; 813. a first positioning plate; 814. a fourth fixing plate; 815. a transverse guide rod; 816. a butt plate; 817. a fixed seat; 818. a circular shaft; 819. a supporting seat; 820. a first support plate; 821. a second support plate; 822. a cylinder fixing plate; 823. a guide rod fixing plate; 824. a guide bar; 825. a cylinder; 826. a third slide block fixing block; 827. a second slider; 828. a second slide rail; 829. a second positioning plate; 830. a second adjusting rod seat.

Detailed Description

The following describes embodiments of the present invention.

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

the driving mechanism 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 in winding connection with one end of the plurality of first transportation belts 405, and the other end of each first transportation belt 405 passes through the first transition roller shaft 411 and the first tension wheel 415 in sequence and is wound back through the second transition roller shaft 414, as shown in fig. 14, the first transportation belt 405 is provided with a plurality of first air holes 4051, and the first air holes 4051 are arranged to adsorb 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 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 arranged between the adjacent first driving roller shaft 408 and the first transition roller shaft 411, the bottom of each air duct plate 409 is fixedly connected with a supporting plate 406, and a hole for the first positioning rod 410 to penetrate is 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 transportation belt 405 passes is disposed on the top of each air duct plate 409, and as shown in fig. 13, a plurality of second air holes 4071 and first transportation belt through holes 4072 through which the first transportation belt 405 passes are formed in the supporting plate 407. The bottom air port of the air duct plate 409 is communicated with the air outlet of the conveyor air duct box 420, and the air inlet of the conveyor air duct box 420 is communicated with the fan 422. As shown in fig. 8, the conveyor duct box 420 is provided with a through hole 421 that does not interfere with the passage of the first conveyor belt 405. A plurality of first positioning rods 410 for supporting the air duct plates 409 are sequentially arranged at intervals at the bottom of each air duct plate 409, and both 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.

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

As shown in fig. 10, 11, 12, 15, 16 and 17, the rejecting device comprises a second motor 505, a lower conveying device 501 for conveying NG paper and a speed-reducing paper pressing device 503 for reducing the speed and pressurizing NG paper in sequence, and the output end of the second motor 505 transmits a kinematic pair to the lower conveying device 501 and the speed-reducing paper pressing device 503 through a multi-stage 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 a 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 a 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 shafts 5012 and the second driving roller shafts 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 used for adjusting the tension of the second conveying belts 5013 is arranged between the two adjacent second positioning rods 5016;

the first tensioning device comprises a second tensioning shaft 5017 fixedly connected between the two first upper side plates 1, a plurality of first swing arms 5018 are sequentially matched on the second tensioning shaft 5017 at intervals, each first swing arm 5018 is movably connected with a second tensioning wheel 5019 through a shaft, and the second tensioning wheels 5019 are abutted to the second conveying belts 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 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 a bearing and is matched with a first-stage transmission end of the multi-stage transmission mechanism; a plurality of driven wheels 50292 are matched on the cylinder body of the driven roller 50291, one end of a plurality of third transport belts 5025 is connected to each driven wheel 50292 in a winding mode, the other end of each third transport belt 5025 is connected with the driving roller 5015 in a winding mode, and a second tensioning device used for tensioning the third transport belts 5025 is 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, the first fixing rod 5021 penetrates the reinforcing plates 50201, a plurality of second swing arms 5022 arranged at intervals are disposed on the first fixing rod 5021, third tensioning pulleys 5023 are movably connected to the second swing arms 5022 through tensioning wheel shafts 4, and the third tensioning pulleys 5023 are abutted to the inner sides of the third transportation belts 5025.

As shown in fig. 1 and 12, the multi-stage transmission mechanism includes a first-stage transmission end disposed outside one first upper side plate 1, and a second-stage transmission end disposed outside the other first upper side plate 1;

as shown in fig. 1 and 12, the primary transmission end includes a third pulley 5061, a fourth pulley 5063, a first transmission gear 5064, a second transmission gear 5065, a fifth pulley 5066 and a driven gear 50293 wound by a third transmission belt 5062, the fourth pulleys 5063 are a set of two and symmetrically distributed around the third pulley 5061, wherein the third pulley 5061 is connected to the output end of the second motor 505, 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 driving shaft 5067, the first transmission gear 5064 and the second transmission gear 5065 rotate in opposite directions, so that the driving roller 5015 and the circular driving shaft 5067 rotate in opposite directions. And the driven gear 50293 is mounted at one end of the driven roller 50291.

As shown in fig. 11, the secondary driving end includes a first driving wheel 5027 and a second driving wheel 5028, and the first driving wheel 5027 and the second driving wheel 5028 are wound by a second driving 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 paper pressing device 503 includes a mounting plate 5031, and both sides of the mounting plate 5031 are respectively 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 connected with a plurality of driving shaft fixing blocks 5037 sequentially through a first connecting block 5034, a second connecting block 5035 and a pin 5036, the front ends of the driving shaft fixing blocks 5037 are penetrated through by a circular driving shaft 5067, one end of the circular 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 driving shaft 5067 is matched with a second transmission gear 5065 of the multistage transmission mechanism; idler shafts 5038 are further connected between the adjacent driving shaft fixing blocks 5037 at the rear ends of the driving shaft fixing blocks 5037, round idler pulleys 5039 are respectively arranged on the round driving shaft 5067 and the idler shafts 5038, and round belts 50310 are connected between the round idler pulleys 5039 on the round driving shaft 5067 and the idler shafts 5039 on the idler shafts 5038; a third tensioning means 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 includes a second fixing plate 50314 fixedly connected to the mounting plate 5031, the second fixing plate 50314 is fixedly connected to the deceleration bearing seat 50315, the first positioning block 50316 is vertically arranged at one side of the deceleration bearing seat 50315, the deceleration bearing seat 50315 is movably connected to a shifting fork plate 50317 through a shifting fork 50318, two sides of one end of the shifting fork plate 50317 are also movably connected to a paper pressing wheel 50319, the outer side of the other end of the shifting fork plate 50317 is pivotally connected to one end of a connecting block 50320 through a shifting fork 50322, and the other end of the connecting block 50320 is connected to a piston of the 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.

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

As shown in fig. 18, 19 and 20, the blocking device 6 has the following specific structure:

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, the outer side of the first upper side plate 1 is movably connected with a lever 603 through a lever shaft 6031, one end of the lever 603 is close to the cam 602, the other end of the lever 603 is provided with a cam shaft 608, one end of a swing rod 605 with an adjusting hole 6051 is matched with the cam shaft 608, the other end of the swing rod 605 is matched with a rotating shaft 606, the rotating shaft 606 is arranged between the two first upper side plates 1 through a bearing seat, and a blocking plate 607 is sleeved on the periphery of the rotating shaft 606 between the two first upper side; one end of the lever 603 where the cam shaft 608 is mounted is also connected to one end of a 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 elevator 7 has the following specific structure: the tension adjusting device comprises a fourth motor 701, wherein the output end of the fourth motor 701 is connected with a driving sprocket 702, the driving sprocket 702 is connected with a first driven sprocket 704 through a chain 705, a tension sprocket 703 for adjusting the tension of the chain 705 is further arranged on the outer side of the first upper side plate 1, and the position of the tension sprocket 703 can be adjusted relative to the first upper side plate 1 through a sprocket adjusting 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 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 also 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 connected with a first chain 710 in a winding way, one end of the first chain 710 is connected with a chain fixing block 712 by winding around the second driven sprocket 715, and the other end of the first chain 710 is connected with a pressing chain block 709 by winding around one side tooth end of the lifting driving sprocket 707; the other side tooth end of the lifting driving sprocket 707 is connected with a second chain 711 in a winding way, 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 is connected with the other side tooth end of the lifting driving sprocket 707 in a winding way and is also contacted with the chain pressing block 709; each chain fixing block 712 is distributed at four corners of the lifting plate 713.

As shown in fig. 25, 26 and 27, the specific structure of the multi-directional positioning blocking device 8 is as follows: the guide rod positioning blocks 802 are arranged on the supporting seat connecting blocks 801, an adjusting rod 804 is matched between the 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 the 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 a first sliding block 809 through second sliding block fixing blocks 808, the first sliding block 809 is slidably connected with a first sliding rail 810, and the first sliding rail 810 is fixedly connected with a first positioning plate 813 through a second positioning block 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 a butt joint plate 816, a fixed seat 817 is fixedly connected to the butt joint plate 816, one end of a circular shaft 818 is connected with the fixed seat 817, the other end of the circular shaft 818 is connected with a supporting seat 819, and the supporting seat 819 is located between the front and rear adjacent second adjusting rod seats 830; the bottoms of the second adjusting rod bases 830 and the supporting bases 819 are commonly connected with a first supporting plate 820, one end of each of a pair of second supporting plates 821 is 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, the cylinder 825 is fixedly connected to the cylinder fixing plate 822, one end of each of a pair of guide rods 824 penetrates through the cylinder fixing plate 822 and is connected with a guide rod fixing plate 823 fixedly connected to the inner side of the second upper side plate 2, the other end of each guide rod 824 is matched with a third slider fixing block 826, the inner side of the third slider fixing block 826 is connected with a piston rod of the cylinder 825, the outer side of the third slider fixing block 826 is connected with a second slider 827, the second slider 827 is slidably connected with a second slide rail 828, and each second slide rail 828 is also connected. A baffle 812 is provided on one side of each of the second positioning blocks 811, on the inner side of the first positioning plate 813 and the second positioning plate 829.

The utility model discloses a concrete working process 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 transportation belt 405, the first transition roller shaft 411 and the second transition roller shaft 414 to rotate in sequence, and meanwhile, the fan 422 sucks air to the supporting plate 407 and the first transportation belt 405 through the transportation belt air duct box 420, and the first transportation belt 405 has an adsorption force due to the first air hole 4051 on the first transportation belt 405 and the second air hole 4071 on the supporting plate 407, so that good paper can be transported to a designated position through the upper transport device 4.

When detecting NG defective paper by the external detection device, the blocking device 6 is first started, as shown in fig. 18, fig. 19 and fig. 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, 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 the other end of the lever 603 swings backward, since the other end of the lever 603 is engaged with the swing link 605 through the cam shaft 608, and the swing link 605 is engaged with the rotation shaft 606, it drives the rotation shaft 606 to rotate backward, and the rotation shaft 606 is engaged with the blocking plate 607, so that the blocking plate 607 is opened and NG defective paper enters the lower transport 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 belt pulley 5061, the first transmission gear 5064 is connected with one end of the driving roller 5015, the second transmission gear 5065 is connected with one end of the circular driving shaft 5067, wherein the first transmission gear 5064 and the second transmission gear 5065 rotate in opposite directions, so that the driving roller 5015 and the circular driving shaft 5067 rotate in opposite directions, and the driven gear 50293 is mounted at one end of the driven roller 50291. And a first driving wheel 5027 is engaged with the other end of the driving roller 5015, and a second driving wheel 5028 is engaged with the other end of the second driving roller shaft 5014. Therefore, the driving roller 5015 drives the second driving roller shaft 5014 to rotate after rotating, 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 therefore NG defective paper is conveyed.

The NG defective paper is transported by the second conveyor belt 5013 and the third conveyor belt 5025 and then passes through the deceleration paper pressing device 503, the upper part of the NG defective paper contacts a round idler 5039, the power of the round idler 5039 comes from a round belt driving shaft 5067, and the end part of the round belt driving shaft 5067 is matched with a second transmission gear 5065 to receive the power. As shown in fig. 15 and 16, before the NG defective paper falls, the shifting fork cylinder 50321 is started, and the piston rod drives the shifting fork block 50322 and the shifting 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 decelerating the NG defective paper conveyed at a high speed and preventing the NG defective paper from suddenly flying out.

As shown in fig. 20, 21, 22 and 23, the NG defective paper is started by the fourth motor 701 before falling, the fourth motor 701 drives the first driven sprocket 704 to rotate through the chain 705, 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, so the lifting driving sprocket 707 rotates, the lifting driving sprocket 707 rotates to drive the first chain 710 and the second chain 711 to lift the lifting plate 713 respectively, when the first NG defective paper falls, the lifting plate 713 is located at the highest position, after that, the lifting height of the lifting plate 713 is gradually decreased when each NG defective paper falls, and when the NG defective paper falls, three edges of the NG defective paper are contacted by the first positioning plate 813 and the second positioning plate 829 and always fall onto the lifting plate 713. As shown in fig. 25 to 8, the second positioning plate 829 is activated and extended by the piston of the cylinder 825 to adjust the lateral spacing to accommodate different paper lengths. The first positioning plate 813 can be adjusted manually by adjusting the position of the first slide rail 810 relative to the first slide block 809, or can be adjusted automatically by replacing the first slide rail with an air cylinder.

The utility model has simple structure and convenient use, can realize separate conveying of good paper and NG defective paper, can prevent the good paper from entering a defective product collecting place by arranging the blocking device, is convenient for the NG defective paper to rapidly fall to the lower conveying device, can realize the conveying stability of the NG defective paper by utilizing the lower conveying device, the speed reduction paper pressing device and the positioning device, prevents the NG defective paper from flying out at high speed, each group of conveying belts are provided with the tensioning device for automatically rectifying deviation, 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 can fall into the lifting plate closely 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 utility model has high automation degree, time and labor are saved, the investment of the labor cost of an enterprise is greatly reduced, and the production efficiency of the enterprise is greatly improved.

The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made without departing from the basic structure of the invention.

Claims (10)

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

2. A transport rejection structure for sorting machines as claimed in claim 1, wherein: the upper conveying device (4) has the following specific structure:

the automatic winding device 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 end of each first conveying belt (405) sequentially passes through a first transition roller shaft (411) and a first tensioning wheel (415) and is wound back through a second transition roller shaft (414); one end shaft ends of a first driving roller shaft (408) are connected with a second upper side plate (2) through roller bearing seats, and shaft ends of a first transition roller shaft (411) and a second transition roller shaft (414) are also connected with a first upper side plate (1) through the roller bearing seats and a first flange (412); a plurality of mutually spliced air duct plates (409) are further arranged between the adjacent first driving roller shaft (408) and the first transition roller shaft (411), a supporting plate (407) for a first conveying belt (405) to pass through is arranged at the top of each air duct plate (409), an air outlet at the bottom of each air duct plate (409) is communicated with an air outlet of a conveying belt air duct box (420), and an air inlet of each conveying belt air duct box (420) is communicated with a fan (422); and a plurality of first positioning rods (410) for supporting the air duct plate (409) are sequentially arranged at the bottom of each air duct plate (409) at intervals, and the 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.

3. A transport rejection structure for sorting machines as claimed in claim 2, wherein: two ends of the shaft of each first tensioning wheel (415) are respectively movably connected with a guide block (416), and the adjacent guide blocks (416) are fixedly connected with one side of the tensioning mounting plate (417); and 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.

4. A transport rejection structure for sorting machines as claimed in claim 1, wherein: the rejecting device is sequentially composed of a second motor (505), a lower conveying device (501) for conveying NG paper and a speed-reducing paper pressing device (503) for reducing and pressurizing the NG paper, and the output end of the second motor (505) transmits a kinematic pair to the lower conveying device (501) and the speed-reducing paper pressing device (503) through a multi-stage transmission mechanism.

5. A transport rejection structure for sorting machines according to claim 4, wherein: the lower conveying device (501) has the following specific structure: 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 used for adjusting the tension of the second conveying belts (5013) is 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 a bearing and is matched with a primary transmission end of the multistage transmission mechanism; a plurality of driven wheels (50292) are matched with the cylinder body of the driven roller (50291), one end of each third transport belt (5025) is connected to each driven wheel (50292) in a winding mode, the other end of each third transport belt (5025) is connected with the driving roller (5015) in a winding mode, and a second tensioning device used for tensioning the third transport belts (5025) is arranged between the adjacent driving roller (5015) and the driven roller (50291).

6. A transport rejection structure for sorting machines as claimed 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), wherein the third belt pulley (5061) is wound and connected through a third transmission belt (5062), and the fourth tensioning wheels (5063) form a group of two and 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 in winding connection through a second transmission belt (5026).

7. A transport rejection structure for sorting machines according to claim 4, wherein: the speed-reducing 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; 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 connected with a plurality of driving shaft fixing blocks (5037) sequentially through a first connecting block (5034), a second connecting block (5035) and a pin (5036), the front ends of the driving shaft fixing blocks (5037) are penetrated through by a circular driving shaft (5067), one end of the circular 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 driving shaft (5067) is matched with a second transmission gear (5065) of the multistage transmission mechanism; idler shafts (5038) are further connected between the adjacent driving shaft fixing blocks (5037) at the rear ends of the driving shaft fixing blocks (5037), round idler wheels (5039) are respectively mounted on the round driving shafts (5067) and the idler shafts (5038), and round belts (50310) are connected between the round idler wheels (5039) of the round driving shafts (5067) and the round idler wheels (5039) on the idler shafts (5038); a third tensioning device for tensioning a round belt (50310) is further arranged on the mounting plate (5031);

the 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 deceleration bearing seat (50315), a first positioning block (50316) is vertically arranged on one side of the deceleration bearing seat (50315), the deceleration 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 a paper pressing wheel (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 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 rejection structure for sorting machines as claimed in claim 1, wherein: the blocking device (6) has the following specific structure:

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), the outer side of the first upper side plate (1) is movably connected with a lever (603) through a lever shaft (6031), one end of the lever (603) is close to the cam (602), the other end of the lever (603) is provided with a cam shaft (608), one end of a hole of a swing rod (605) is matched with the cam shaft (608), the other end of the swing rod (605) is matched with a rotating shaft (606), the rotating shaft (606) is arranged between the two first upper side plates (1) through a bearing seat, and a blocking plate (607) is further sleeved on the periphery of the rotating shaft (606) between the two first upper side plates (1); one end of the lever (603) provided with the 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.

9. A transport rejection structure for sorting machines as claimed in claim 1, wherein: the chain lifting device (7) has the following specific structure: the device 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 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 also 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 connected with a first chain (710) in a winding manner, one end of the first chain (710) is connected with a chain fixing block (712) in a winding manner around the second driven sprocket (715), and the other end of the first chain (710) is connected with a chain pressing block (709) in a winding manner around one side tooth end of the lifting driving sprocket (707); the other side tooth end of the lifting driving sprocket (707) is connected with a second chain (711) in a winding way, 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) is connected with a chain pressing block (709) in a winding way and is also connected with the other side tooth end of the lifting driving sprocket (707); the chain fixing blocks (712) are distributed at four corners of the lifting plate (713).

10. A transport rejection structure for sorting machines as claimed in claim 1, wherein: the multidirectional positioning blocking device (8) has the following specific structure: the guide rod positioning 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), guide rod positioning blocks (802) are fixedly connected to the supporting seat connecting block (801), an adjusting rod (804) is matched between every two 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 onto 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 slidably connected 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 left and right adjacent second adjusting rod seats (830) are connected with transverse guide rods (815), each transverse guide rod (815) is matched with a butt joint plate (816), a fixed seat (817) is fixedly connected onto the butt joint plate (816), one end of a circular shaft (818) is connected with the fixed seat (817), the other end of the circular shaft (818) is connected with a supporting seat (819), and the supporting seat (819) is located between the front and back 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) together, one end of a pair of second supporting plates (821) is 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 end of each guide rod (824) penetrates through the cylinder fixing plate (822) and is connected with a guide rod fixing plate (823) fixedly connected on the inner side of the second upper side plate (2), the other end of each guide rod (824) is matched with a third sliding block fixing block (826), the inner side of the third slide block fixing block (826) is connected with a piston rod of a cylinder (825), the outer side of the third slide block fixing block (826) is connected with a second slide block (827), the second sliding block (827) is connected with the second sliding rail (828) in a sliding mode, and each second sliding rail (828) is also connected with the second positioning plate (829) through the positioning block (811).

Images