CN113895092A

CN113895092A - Cardboard inserts check machine

Info

Publication number: CN113895092A
Application number: CN202111299906.4A
Authority: CN
Inventors: 韩新明; 解朝
Original assignee: Cangzhou Chaoli Carton Machinery Manufacturing Co ltd
Current assignee: Cangzhou Chaoli Carton Machinery Manufacturing Co ltd
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-01-07

Abstract

The invention relates to the technical field of paperboard packaging machinery, in particular to a paperboard grid inserting machine; the automatic paper inserting machine comprises a rack, a longitudinal paper board discharging mechanism, a longitudinal paper board feeding mechanism, a transverse paper board feeding mechanism and a paper inserting mechanism, wherein the longitudinal paper board discharging mechanism, the longitudinal paper board feeding mechanism, the transverse paper board feeding mechanism and the paper inserting mechanism are arranged on the rack, the paper inserting mechanism comprises a lifting frame, a limiting plate and a paper inserting plate, an adsorption hole for adsorbing a transverse paper board is formed in the limiting plate, the paper inserting plate is arranged on one side, facing the transverse paper board feeding mechanism, of the limiting plate in a sliding mode, a driving assembly for driving the paper inserting plate to lift is arranged on the lifting frame, the transverse paper board feeding mechanism comprises a feeding platform arranged on the lifting frame, a first material pushing assembly arranged above the feeding platform in a sliding mode and an elastic assembly for pushing the first material pushing assembly to move towards the limiting plate, the elastic assembly comprises a first tension spring and a first steering wheel, a power mechanism is not needed, and the cost is saved, and the condition that the transverse paper board is toppled over in the feeding process can not occur, the feeding is stable, and the use reliability is improved.

Description

Cardboard inserts check machine

Technical Field

The invention relates to the technical field of paperboard packaging machinery, in particular to a paperboard grid inserting machine.

Background

As is well known, the grid inserting machine is a carton machine for inserting transverse paperboards and longitudinal paperboards together, and comprises a rack, a longitudinal paperboard discharging mechanism, a longitudinal paperboard feeding mechanism, a transverse paperboard feeding mechanism and a grid inserting mechanism, wherein the longitudinal paperboard discharging mechanism is used for discharging the longitudinal paperboards, the longitudinal paperboard feeding mechanism is used for conveying the longitudinal paperboards, the transverse paperboard feeding mechanism is used for feeding the transverse paperboards, and the grid inserting mechanism is used for inserting the transverse paperboards and the longitudinal paperboards.

The existing paperboard grid inserting machine is found in use that a transverse paperboard conveying mechanism needs to be provided with a special servo motor to drive a feeding conveying belt to convey transverse paperboards, the cost is high, and the transverse paperboards are prone to toppling over on the feeding conveying belt, so that the use reliability is low.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the paperboard grid inserting machine, which does not need to be provided with a power mechanism, saves the cost, does not cause the situation that the transverse paperboard topples over in the feeding process, has stable feeding and improves the use reliability.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a paperboard grid inserting machine comprises a rack, and a longitudinal paperboard discharging mechanism, a longitudinal paperboard feeding mechanism, a transverse paperboard feeding mechanism and a grid inserting mechanism which are arranged on the rack, wherein the grid inserting mechanism comprises a lifting frame which is arranged on the rack in a sliding manner, a limiting plate which is arranged on the lifting frame and a grid inserting plate which is arranged on the limiting plate, the limiting plate is arranged on one side of the lifting frame, and an adsorption hole for adsorbing a transverse paperboard is arranged on the limiting plate, the grid inserting plate is arranged on one side of the limiting plate, which faces the transverse paperboard feeding mechanism, in a sliding manner, a driving component for driving the grid inserting plate to ascend and descend is arranged on the lifting frame, the transverse paperboard feeding mechanism comprises a feeding platform which is arranged on the lifting frame, a first material pushing component which is arranged above the feeding platform in a sliding manner and an elastic component for pushing the first material pushing component to move towards the limiting plate, elastic component includes first extension spring and first directive wheel, first directive wheel install in conveying platform is last and be close to insert check mechanism, the one end and the conveying platform of first extension spring are connected and are kept away from insert check mechanism, the other end of first extension spring bypass first directive wheel and with first pushing equipment connects.

Preferably, the driving assembly comprises a first motor and a rocker, the first motor is mounted at the top end of the lifting frame, a cam is arranged at the output end of the first motor, one end of the rocker is rotatably connected with the eccentric position of the cam, and the other end of the rocker is hinged with the top end of the grid inserting plate.

Preferably, one side of the limiting plate, which faces away from the transverse paper board feeding mechanism, is provided with a negative pressure fan housing, the negative pressure fan housing is communicated with the adsorption hole, and a negative pressure air pipe is communicated with the negative pressure fan housing.

Preferably, the first material pushing assembly comprises a pushing plate, a sliding rod and a material pushing plate, the pushing plate is arranged on the feeding platform in a sliding mode, the bottom end of the sliding rod is fixedly connected with the pushing plate, a linear bearing is arranged on the outer side of the sliding rod in a sliding mode, and the material pushing plate is fixedly installed on the linear bearing.

Preferably, the feeding platform is provided with a first limiting strip for limiting the transverse paper board in the front and back directions.

Preferably, the frame includes preceding extension board, back extension board and crossbeam, the crane slides and sets up between preceding extension board and back extension board, is provided with the rectangular hole that link up around on the crane, the crossbeam runs through the rectangular hole of crane to the front end and the rear end of crossbeam respectively with the top fixed connection of preceding extension board and back extension board, the top of crossbeam is provided with servo motor, servo motor's output is provided with two sets of transmission shafts, and the front side and the rear side on crossbeam top all are provided with the steering gear, the tip of two sets of transmission shafts is connected with the input of two sets of steering gears respectively, the bottom output of two sets of steering gears all is provided with the lead screw, the front end and the rear end of crane be provided with lead screw nut with lead screw thread fit.

Preferably, the lifting frame is characterized in that linear guide rails are arranged on the opposite sides of the front support plate and the rear support plate, and sliding blocks in sliding fit with the linear guide rails are arranged at the front end and the rear end of the lifting frame.

Preferably, vertical cardboard drop feed mechanism is provided with the multiunit, multiunit vertical cardboard drop feed mechanism all includes backup pad, backplate, blowing cylinder, blowing board and second and pushes away the material subassembly, the bottom and the backup pad of backplate are connected to be in the backup pad next-door neighbour the position of backplate is provided with the blowing hole, the blowing cylinder install in on the backplate, the bottom output of blowing cylinder with the blowing board is connected, the blowing board is located directly over the blowing hole, the second pushes away the material subassembly and includes second extension spring, second directive wheel and clamp plate, the clamp plate set up in the backup pad and can move towards the backplate slides, the second directive wheel is installed on the backplate, the one end of second extension spring with the backplate is connected, and the other end of second extension spring is walked around the second directive wheel and with the clamp plate is connected.

Preferably, the top of backup pad is provided with and controls spacing second spacing to vertical cardboard, the clamp plate place in the top of spacing of second, every group vertical cardboard drop feed mechanism all is provided with two sets of the second extension spring, the tip of two sets of extension springs is connected in the both ends of clamp plate respectively.

Preferably, the longitudinal paperboard feeding mechanism comprises a paperboard guide groove and a conveying chain, the support plate guide groove is located right below the discharging hole, and the conveying chain is used for pushing the longitudinal paperboards in the paperboard guide groove to be conveyed horizontally.

(III) advantageous effects

Compared with the prior art, the invention provides a paperboard grid inserting machine, which has the following beneficial effects: this check machine is inserted to cardboard, horizontal cardboard sign indicating number is stacked on feeding platform together, through the first subassembly that pushes away of the first material that pushes away of first extension spring pulling make first material that pushes away the horizontal cardboard of material on the subassembly with feeding platform carry to the direction of limiting plate, absorption hole through on the limiting plate makes the laminating of the horizontal cardboard of innermost side on the limiting plate, make under drive assembly's drive insert check board reciprocating motion from top to bottom, insert check board will promote downwards with the horizontal cardboard of limiting plate laminating and accomplish the cartridge with the vertical cardboard of below, need not to be equipped with power unit for the transport of horizontal cardboard, the cost is saved, and the condition that horizontal cardboard emptys at the pay-off in-process can not appear, the pay-off is stable, and the use reliability is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic perspective view of the lateral paperboard feed mechanism of the present invention;

FIG. 3 is a schematic perspective view of the housing and grid insertion mechanism of the present invention;

FIG. 4 is a schematic perspective view of the present invention from another angle than that shown in FIG. 3;

FIG. 5 is a schematic perspective view of a first pusher assembly of the present invention;

FIG. 6 is a schematic perspective view of the longitudinal cardboard drop feed mechanism of the invention;

FIG. 7 is a schematic perspective view of another angle of the longitudinal paperboard discharge mechanism of the present invention;

in the drawings, the reference numbers: 1. a frame; 2. a longitudinal paperboard discharging mechanism; 3. a longitudinal paperboard feeding mechanism; 4. a transverse paperboard feeding mechanism; 5. a grid inserting mechanism; 6. a lifting frame; 7. a limiting plate; 8. inserting the grid plate; 9. an adsorption hole; 10. a feeding platform; 11. a first pusher assembly; 12. a first tension spring; 13. a first steering wheel; 14. a first motor; 15. a rocker; 16. a cam; 17. a negative pressure fan cover; 18. a negative pressure air pipe; 19. pushing the plate; 20. a slide bar; 21. a material pushing plate; 22. a linear bearing; 23. a first limit strip; 24. a front support plate; 25. a rear support plate; 26. a cross beam; 27. a rectangular hole; 28. a servo motor; 29. a drive shaft; 30. a diverter; 31. a screw rod; 32. a feed screw nut; 33. a linear guide rail; 34. a support plate; 35. a back plate; 36. a discharging cylinder; 37. a material placing plate; 38. a second tension spring; 39. a second steering wheel; 40. pressing a plate; 41. a second limit strip; 42. a paperboard guide groove; 43. and a conveying chain.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Please refer to fig. 1-7, an embodiment of the present application provides a cardboard grid inserting machine, which includes a rack 1, and a longitudinal cardboard feeding mechanism 2, a longitudinal cardboard feeding mechanism 3, a transverse cardboard feeding mechanism 4 and a grid inserting mechanism 5 which are arranged on the rack 1, wherein the grid inserting mechanism 5 includes a lifting frame 6 which is slidably arranged on the rack 1, a limiting plate 7 which is arranged on the lifting frame 6, and a grid inserting plate 8 which is arranged on the limiting plate 7, the limiting plate 7 is arranged on one side of the lifting frame 6, and an adsorption hole 9 which adsorbs a transverse cardboard is arranged on the limiting plate 7, the grid inserting plate 8 is slidably arranged on one side of the limiting plate 7 facing the transverse cardboard feeding mechanism 4, a driving component which drives the grid inserting plate 8 to go up and down is arranged on the lifting frame 6, the transverse cardboard feeding mechanism 4 includes a feeding platform 10 which is arranged on the lifting frame 6, Slide and set up in the first material subassembly 11 and promote of pushing away of feeding platform 10 top first material subassembly 11 orientation the elastic component that limiting plate 7 removed, elastic component includes first extension spring 12 and first directive wheel 13, first directive wheel 13 install in conveying platform is last and near insert check mechanism 5, the one end and the conveying platform of first extension spring 12 are connected and are kept away from insert check mechanism 5, and the other end of first extension spring 12 is walked around first directive wheel 13 and with first material subassembly 11 is connected.

In this application, horizontal cardboard sign indicating number is stacked on feeding platform 10 together, through the first subassembly 11 of pushing away material of 12 pulling of first extension springs make first material of pushing away 11 with the horizontal cardboard on feeding platform 10 carry to the direction of limiting plate 7, absorption hole 9 on the limiting plate 7 makes the laminating of the horizontal cardboard of the innermost side on limiting plate 7, make under drive assembly's drive insert grid 8 reciprocating motion from top to bottom, insert grid 8 will promote downwards with the horizontal cardboard of limiting plate 7 laminating and accomplish the cartridge with the vertical cardboard of below, need not to be equipped with power unit for the transport of horizontal cardboard, save the cost, and the condition that horizontal cardboard emptys at the pay-off in-process can not appear, the pay-off is stable, improve the use reliability.

Specifically, the conveying platform is provided with a strip-shaped hole for the transverse paper board to pass through, and the limiting plate 7 is tightly attached to the strip-shaped hole.

In the embodiment of the application, the driving assembly comprises a first motor 14 and a rocker 15, the first motor 14 is installed at the top end of the lifting frame 6, a cam 16 is arranged at the output end of the first motor 14, one end of the rocker 15 is rotatably connected with the eccentric position of the cam 16, and the other end of the rocker 15 is hinged to the top end of the grid inserting plate 8.

The first motor 14 drives the cam 16 to rotate, the cam 16 drives the grid inserting plate 8 to reciprocate up and down through the rocker 15, and the grid inserting plate 8 inserts and places the transverse paper plate which is attached to the limiting plate 7 on the innermost side.

In the embodiment of the present application, limiting plate 7 dorsad one side of horizontal cardboard feeding mechanism 4 is provided with negative pressure fan housing 17, negative pressure fan housing 17 with adsorption hole 9 communicates with each other to the intercommunication is provided with negative pressure air duct 18 on negative pressure fan housing 17.

The negative pressure air duct 18 is communicated with the negative pressure fan, so that negative pressure is generated inside the negative pressure fan cover 17, the transverse paper board at the position of the adsorption hole 9 is only attached to the limiting plate 7, and accurate insertion of the grid board 8 is guaranteed.

In this embodiment, the first material pushing assembly 11 includes a pushing plate 19, a sliding rod 20 and a material pushing plate 21, the pushing plate 19 is slidably disposed on the feeding platform 10, the bottom end of the sliding rod 20 is fixedly connected to the pushing plate 19, a linear bearing 22 is slidably disposed on the outer side of the sliding rod 20, and the material pushing plate 21 is fixedly mounted on the linear bearing 22.

Specifically, the both ends of push pedal 19 are provided with the transverse bar, and push pedal 19 slides and sets up between the transverse bar, carries out the propelling movement to the horizontal cardboard on the conveying platform through the scraping wings 21 on the push pedal 19, when needing to put things in good order horizontal cardboard, can directly put things in good order horizontal cardboard and keep away from scraping wings 21 one side of limiting plate 7, through slide bar 20 and linear bearing 22's cooperation, can upwards mention a take the altitude with scraping wings 21 to make scraping wings 21 cross horizontal cardboard, put down scraping wings 21 after pulling push pedal 19 away from limiting plate 7 again, make scraping wings 21 carry out the propelling movement to the horizontal cardboard of new putting things in good order.

In the embodiment of the present application, the feeding platform 10 is provided with a first limiting strip 23 for limiting the horizontal paperboard in the front-back direction.

The transverse paper boards are conveyed between the two first limiting strips 23 on the conveying platform, the transverse paper boards can be limited in the front and back directions, and the transverse paper boards are guaranteed to be orderly stacked.

Specifically, the first position-limiting strips 23 can be adjusted on the conveying platform, and the distance between the two first position-limiting strips 23 can be adjusted according to the transverse paper boards with different widths.

In the embodiment of the present application, the frame 1 comprises a front plate 24, a rear plate 25 and a cross member 26, the lifting frame 6 is arranged between the front support plate 24 and the rear support plate 25 in a sliding way, a rectangular hole 27 which is through from front to back is arranged on the lifting frame 6, the cross beam 26 penetrates through the rectangular hole 27 of the lifting frame 6, and the front and rear ends of the cross member 26 are fixedly coupled to the top ends of the front and

rear boards

24 and 25, a servo motor 28 is arranged at the top end of the cross beam 26, two groups of transmission shafts 29 are arranged at the output end of the servo motor 28, steering gears 30 are arranged on the front side and the rear side of the top end of the cross beam 26, the end parts of the two groups of transmission shafts 29 are respectively connected with the input ends of two groups of steering gears 30, the output ends of the bottoms of the two groups of steering gears 30 are respectively provided with a screw rod 31, and the front end and the rear end of the lifting frame 6 are provided with screw rod nuts 32 which are in threaded fit with the screw rods 31.

The lifting frame 6 is arranged between the front support plate 24 and the rear support plate 25, the servo motor 28 drives the two screw rods 31 to rotate, the lifting frame 6 is driven to lift through the matching of the screw rods 31 and the screw rod nuts 32, the structure is reasonable, the electric control equipment can be directly installed on the outer side of the front support plate 24 or the outer side of the rear support plate 25, the balance weight of the lifting frame 6 is reduced, and the use reliability is improved.

In the embodiment of the application, the opposite sides of the front support plate 24 and the rear support plate 25 are provided with linear guide rails 33, and the front end and the rear end of the lifting frame 6 are provided with sliding blocks in sliding fit with the linear guide rails 33.

Through the cooperation of linear guide 33 and slider, stability when guaranteeing crane 6 and go up and down.

In the embodiment of the application, the longitudinal paperboard discharging mechanisms 2 are provided with a plurality of groups, each group of longitudinal paperboard discharging mechanisms 2 comprises a supporting plate 34, a back plate 35, a discharging cylinder 36, a discharging plate 37 and a second material pushing assembly, the bottom end of the back plate 35 is connected with the supporting plate 34, a discharging hole is arranged at the position of the supporting plate 34 close to the back plate 35, the discharging cylinder 36 is arranged on the back plate 35, the bottom output end of the discharging cylinder 36 is connected with the discharging plate 37, the material discharging plate 37 is positioned right above the material discharging hole, the second material pushing assembly comprises a second tension spring 38, a second steering wheel 39 and a pressing plate 40, the pressing plate 40 is disposed on the supporting plate 34 and can slide towards the back plate 35, the second steering wheel 39 is mounted on the back plate 35, one end of the second tension spring 38 is connected with the back plate 35, and the other end of the second tension spring 38 bypasses the second steering wheel 39 and is connected with the pressing plate 40.

Vertical cardboard is arranged in a yard on backup pad 34, makes clamp plate 40 promote vertical cardboard to the direction of backplate 35 to remove through second extension spring 38, drives the blowing board 37 through blowing cylinder 36 and inserts the vertical cardboard of putting with the laminating of backplate 35, and the blowing board 37 back that resets makes next vertical cardboard of a set of closely with backplate 35 again under the effect of clamp plate 40, and the condition of the card material of in disorder when can effectively preventing vertical cardboard blowing improves the reliability of use.

In the embodiment of the application, the top of backup pad 34 is provided with carries out about spacing second spacing 41 to vertical cardboard, clamp plate 40 place in the top of the spacing 41 of second, every group vertical cardboard drop feed mechanism 2 all is provided with two sets of second extension spring 38, the tip of two sets of extension springs is connected in the both ends of clamp plate 40 respectively.

The longitudinal paper boards on the supporting plate 34 are limited left and right through the second limiting strips 41, and the neatness of the longitudinal paper boards during conveying is guaranteed.

Specifically, the second limiting strips 41 are adjustable on the supporting plate 34, and the distance between two second limiting strips 41 can be adjusted according to the width of the longitudinal paper board.

In the embodiment of the present application, the longitudinal paper board feeding mechanism 3 includes a paper board guiding slot 42 and a conveying chain 43, the supporting board guiding slot is located right below the discharging hole, and the conveying chain 43 is used for pushing the longitudinal paper board in the paper board guiding slot 42 to be horizontally conveyed.

The longitudinal paper sheets are inserted into the paper sheet guide grooves 42 below after passing through the discharge holes, and the longitudinal paper sheets in the paper sheet guide grooves 42 are conveyed by the conveying chains 43.

When in use, the longitudinal paperboards are arranged on the supporting plate 34 in a stacking manner, the pressing plate 40 is driven by the second tension spring 38 to move towards the back plate 35, the discharging plate 37 is driven by the discharging cylinder 36 to insert and discharge the longitudinal paperboards attached to the back plate 35, after the discharging plate 37 is reset, the next group of longitudinal paperboards are attached to the back plate 35 again under the action of the pressing plate 40, the situation that the longitudinal paperboards are jammed in a scattered manner during discharging can be effectively prevented, the use reliability is improved, the longitudinal paperboards are inserted into the lower paperboard guide groove 42 after passing through the discharging holes, the longitudinal paperboards in the paperboard guide groove 42 are conveyed to the grid inserting mechanism 5 through the conveying chain 43, the transverse paperboards are arranged on the feeding platform 10 in a stacking manner, the first material pushing assembly 11 is driven by the first tension spring 12 to convey the transverse paperboards on the feeding platform 10 towards the direction of the limiting plate 7, make the laminating of the horizontal cardboard of the innermost side on limiting plate 7 through absorption hole 9 on the limiting plate 7, make under drive assembly's drive insert grid 8 reciprocating motion from top to bottom, insert grid 8 will promote downwards with the horizontal cardboard of limiting plate 7 laminating and accomplish the cartridge with the vertical cardboard of below, need not to be equipped with power unit for the transport of horizontal cardboard, save the cost, the condition that horizontal cardboard emptys at the pay-off in-process can not appear moreover, the pay-off is stable, improves the use reliability.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The paperboard grid inserting machine is characterized by comprising a rack (1), a longitudinal paperboard discharging mechanism (2), a longitudinal paperboard feeding mechanism (3), a transverse paperboard feeding mechanism (4) and a grid inserting mechanism (5), wherein the longitudinal paperboard discharging mechanism, the longitudinal paperboard feeding mechanism, the transverse paperboard feeding mechanism and the grid inserting mechanism are arranged on the rack (1), the grid inserting mechanism (5) comprises a lifting frame (6) arranged on the rack (1) in a sliding manner, a limiting plate (7) arranged on the lifting frame (6) and a grid inserting plate (8) arranged on the limiting plate (7), the limiting plate (7) is arranged on one side of the lifting frame (6), an adsorption hole (9) for adsorbing a transverse paperboard is arranged on the limiting plate (7), the grid inserting plate (8) is arranged on one side, facing the transverse paperboard feeding mechanism (4), of the limiting plate (7) in a sliding manner, a driving component for driving the grid inserting plate (8) to ascend and descend is arranged on the lifting frame (6), horizontal cardboard feeding mechanism (4) including install in feeding platform (10), the slip on crane (6) sets up in first pushing equipment (11) and the promotion of feeding platform (10) top first pushing equipment (11) orientation the elastic component that limiting plate (7) removed, elastic component includes first extension spring (12) and first directive wheel (13), first directive wheel (13) install in conveying platform is last and neighbouring insert check mechanism (5), the one end of first extension spring (12) is connected with conveying platform and is kept away from insert check mechanism (5), the other end of first extension spring (12) is walked around first directive wheel (13) and with first pushing equipment (11) are connected.

2. A cardboard grid inserting machine according to claim 1, characterized in that the driving assembly comprises a first motor (14) and a rocker (15), the first motor (14) is mounted on the top end of the lifting frame (6), a cam (16) is arranged on the output end of the first motor (14), one end of the rocker (15) is rotatably connected with the eccentric position of the cam (16), and the other end of the rocker (15) is hinged with the top end of the grid inserting plate (8).

3. A cardboard grid inserting machine according to claim 2, characterized in that one side of the limiting plate (7) facing away from the transversal cardboard feeding mechanism (4) is provided with a negative pressure fan housing (17), the negative pressure fan housing (17) is communicated with the suction hole (9), and a negative pressure air duct (18) is communicated on the negative pressure fan housing (17).

4. A cardboard grid inserting machine according to claim 3, characterized in that the first pushing assembly (11) comprises a pushing plate (19), a sliding rod (20) and a pushing plate (21), the pushing plate (19) is slidably arranged on the feeding platform (10), the bottom end of the sliding rod (20) is fixedly connected with the pushing plate (19), a linear bearing (22) is slidably arranged outside the sliding rod (20), and the pushing plate (21) is fixedly arranged on the linear bearing (22).

5. A carton inserter according to claim 4, characterized in that said feeding platform (10) is provided with a first stop bar (23) for stopping the transverse carton from the front to the rear.

6. A cardboard grid inserting machine according to claim 5, characterized in that the machine frame (1) comprises a front support plate (24), a rear support plate (25) and a cross beam (26), the lifting frame (6) is slidably arranged between the front support plate (24) and the rear support plate (25), a front-rear through rectangular hole (27) is arranged on the lifting frame (6), the cross beam (26) penetrates through the rectangular hole (27) of the lifting frame (6), the front end and the rear end of the cross beam (26) are fixedly connected with the top ends of the front support plate (24) and the rear support plate (25) respectively, the top end of the cross beam (26) is provided with a servo motor (28), the output end of the servo motor (28) is provided with two sets of transmission shafts (29), the front side and the rear side of the top end of the cross beam (26) are provided with a steering gear (30), the end parts of the two sets of transmission shafts (29) are connected with the input ends of the two sets of steering gears (30) respectively, the bottom output ends of the two sets of steering gears (30) are provided with screw rods (31), and the front end and the rear end of the lifting frame (6) are provided with screw rod nuts (32) in threaded fit with the screw rods (31).

7. A cardboard grid inserting machine according to claim 6, characterized in that the opposite sides of the front support plate (24) and the rear support plate (25) are provided with linear guides (33), and the front end and the rear end of the lifting frame (6) are provided with sliders which are in sliding fit with the linear guides (33).

8. The cardboard grid inserting machine according to claim 7, wherein the longitudinal cardboard placing mechanism (2) is provided with a plurality of groups, each group of longitudinal cardboard placing mechanism (2) comprises a support plate (34), a back plate (35), a placing cylinder (36), a placing plate (37) and a second material pushing assembly, the bottom end of the back plate (35) is connected with the support plate (34), a material discharging hole is arranged at a position, close to the back plate (35), of the support plate (34), the placing cylinder (36) is installed on the back plate (35), the bottom output end of the placing cylinder (36) is connected with the placing plate (37), the placing plate (37) is positioned right above the material discharging hole, the second material pushing assembly comprises a second tension spring (38), a second steering wheel (39) and a pressing plate (40), the pressing plate (40) is arranged on the support plate (34) and can slide towards the back plate (35), the second steering wheel (39) is installed on the back plate (35), one end of the second tension spring (38) is connected with the back plate (35), and the other end of the second tension spring (38) bypasses the second steering wheel (39) and is connected with the pressing plate (40).

9. The cardboard grid inserting machine of claim 8, wherein a second limiting strip (41) for limiting the longitudinal cardboard in the left and right directions is arranged at the top end of the supporting plate (34), the pressing plate (40) is placed at the top of the second limiting strip (41), two groups of second tension springs (38) are arranged on each group of longitudinal cardboard emptying mechanisms (2), and the end parts of the two groups of tension springs are respectively connected with the two ends of the pressing plate (40).

10. A cardboard grid inserting machine according to claim 9, characterized in that the longitudinal cardboard feeding mechanism (3) comprises a cardboard guide groove (42) and a conveying chain (43), the cardboard guide groove is located right below the discharge hole, and the conveying chain (43) is used for pushing the longitudinal cardboard in the cardboard guide groove (42) to be horizontally conveyed.