CN220009020U

CN220009020U - Pressing mechanism for automatic paperboard bonding machine

Info

Publication number: CN220009020U
Application number: CN202221860837.XU
Authority: CN
Inventors: 高宏艺; 杜庆霞
Original assignee: Longkou Jinsheng Packing Co ltd
Current assignee: Longkou Jinsheng Packing Co ltd
Priority date: 2022-07-19
Filing date: 2022-07-19
Publication date: 2023-11-14
Anticipated expiration: 2032-07-19

Abstract

The utility model provides a pressing mechanism for an automatic paperboard bonding machine, which comprises a lower support frame body and an upper support frame body fixed above the lower support frame body, wherein the front end and the rear end of the lower support frame body are respectively hinged with rotating rollers, a plurality of middle rolling rods are arranged between the two rotating rollers, a plurality of lower rolling rods are arranged below the middle rolling rods, and the rotating rollers, the middle rolling rods, the rotating rollers at the rear end and the lower rolling rods are sequentially connected through a conveying belt; the upper support frame body is hinged with a plurality of upper rolling rods from front to back. The beneficial effects of the utility model are as follows: the pressing mechanism provided by the utility model can ensure continuous pressure of the adhered paperboards in the conveying process, so that the paperboards are adhered more firmly, and the pressing mechanism is matched with other mechanisms of an automatic paperboard adhering machine to use, so that the tight matching of production processes such as feeding, gluing, receiving, pressing and the like is realized, the degree of automation is high, the labor intensity of workers is reduced, and the production efficiency is remarkably improved.

Description

Pressing mechanism for automatic paperboard bonding machine

Technical Field

The utility model relates to the field of packaging machinery, in particular to a pressing mechanism for an automatic paperboard bonding machine.

Background

When producing paperboard packages, such as paperboard trays, it is necessary to adhere multiple layers of paperboard together to meet thickness and strength requirements. Traditional cardboard bonding needs manual work to send the cardboard to two roll spreading machine one by one to glue, then manual work aligns the pressfitting together cardboard one by one, and production efficiency is low and workman intensity of labour is big.

Disclosure of Invention

In order to improve production efficiency and reduce labor intensity of workers, the utility model provides an automatic paperboard bonding machine capable of automatically feeding paper, automatically gluing and automatically pressing.

In order to achieve the aim of the utility model, the utility model provides an automatic paperboard bonding machine which comprises a control cabinet, and a feeding mechanism, a gluing mechanism, a receiving mechanism and a pressing mechanism which are sequentially arranged.

The feeding mechanism comprises a feeding base, feeding support plates are respectively arranged at the positions, close to the left side and the right side, of the upper end face of the feeding base, feeding rollers are respectively arranged at the positions, close to the front end and the rear end, of the feeding support plates, two ends of each feeding roller are respectively hinged with the two feeding support plates at the left side and the right side, and a conveying belt is arranged between the two feeding rollers; one end of the feeding roller at the front end or the rear end penetrates through the feeding supporting plate to be connected with a first motor, and the first motor is electrically connected with the control cabinet;

The two feeding support plates extend upwards at the position close to the rear end, two fixing rods are arranged above the feeding roller at the rear end in parallel, the two fixing rods are arranged side by side in the vertical direction, and two ends of each fixing rod are fixedly connected with the two feeding support plates at the left side and the right side respectively;

the feeding mechanism further comprises two feeding limiting plates which are vertically arranged above the rear end part close to the conveyor belt, the feeding limiting plates are connected with first fixing blocks arranged on the fixing rods, the parts, close to the upper end and the lower end, of the first fixing blocks are respectively sleeved with the fixing rods, and the first fixing blocks are arranged at the parts, close to the middle of the fixing rods; the front side wall of the first fixed block is provided with a trapezoidal clamping groove, the rear side wall of the feeding limiting plate is provided with a trapezoidal clamping strip matched with the trapezoidal clamping groove, the upper end part of the rear side wall of the feeding limiting plate is provided with a connecting block, the upper end surface of the connecting block is provided with a downward through hole, the upper end surface of the first fixed block is provided with a bolt penetrating through the through hole, and a spring is sleeved outside the bolt and positioned between the first fixed block and the connecting block; the gap between the feeding limiting plate and the conveyor belt is slightly larger than the thickness of one layer of paperboard;

The feeding mechanism further comprises two feeding baffles vertically arranged above the rear end part close to the conveyor belt, the feeding baffles are fixedly connected with second fixing blocks arranged on the fixing rods, the parts, close to the upper end and the lower end, of the second fixing blocks are respectively sleeved with the fixing rods, and the second fixing blocks are arranged at the parts, close to the outer sides of the first fixing blocks;

adjusting screws are respectively arranged between the two fixing rods on the two feeding support plates, one ends of the two adjusting screws are respectively hinged with the feeding support plates on the same side, the adjusting screws are respectively in threaded connection with the first fixing block and the second fixing block on the same side, and the feeding support plates on the same side are penetrated out of the adjusting screws and are respectively fixedly connected with an adjusting handle;

a plurality of feeding support rods are arranged between the two feeding rollers, and two ends of each feeding support rod are respectively hinged with the two feeding support plates on two sides; a supporting flat plate is arranged at the position, close to the rear end, between the two feeding rollers, of the feeding roller, two ends of the supporting flat plate are respectively and fixedly connected with the two feeding supporting plates on two sides, and the feeding supporting rods and the supporting flat plate are tightly attached to the conveying belt;

The front end of the feeding roller is provided with a plurality of material supporting rollers, and two ends of each material supporting roller are respectively hinged with two feeding support plates on two sides.

The gluing mechanism comprises a gluing base, wherein first support plates are respectively arranged on two sides, close to the front end, of the upper end face of the gluing base, an upper guide roller and a lower guide roller which are arranged side by side up and down are arranged on the gluing base, and two ends of the upper guide roller and two ends of the lower guide roller are respectively hinged with the first support plates; a first photoelectric counter is arranged at the rear part of the upper guide roller close to the middle part, and is fixed on the first supporting plate through a bracket;

the upper guide roller is hinged with the first support plate through a first bearing arranged in the first long through hole, the upper end faces of the two first support plates are respectively provided with a first bolt, the lower end parts of the first bolts are hinged with the upper end faces of the first bearings, the upper end parts of the first bolts are fixedly connected with a first gear, a first adjusting rod is arranged between the two first support plates, two ends of the first adjusting rod are respectively hinged with the first support plate, the positions, close to the gears, of the first adjusting rod are respectively provided with threads meshed with the first gear, and one end of the adjusting rod extends to the outer side of the first support plate and is fixedly connected with a handle;

Two sides of the upper end face of the gluing base, which are close to the rear end part, are respectively provided with a second supporting plate, a supporting roller which is horizontal to the lower guide roller is arranged between the second supporting plates, and two ends of the supporting roller are respectively hinged with the second supporting plates; a third supporting plate is arranged above the second supporting plate, a gluing roller is arranged above the supporting roller, a glue supporting roller is arranged on the front side of the gluing roller, two ends of the gluing roller and the glue supporting roller are respectively hinged with the third supporting plate, and the lower end of the third supporting plate, which is close to the front side, is hinged with the first supporting plate through a connecting arm; the outer side wall of the second support plate is provided with a first cylinder which stretches upwards near the rear end part, the end part of a piston rod of the first cylinder is connected with the lower end of the outer side wall of the third support plate near the rear end part, the first cylinder is connected with a compressed gas pipeline, and the compressed gas pipeline is controlled by an electromagnetic valve;

the glue supporting roller is hinged with the third support plate through a second bearing arranged in the second strip through hole, the front side walls of the two third support plates are respectively provided with a second bolt, the rear end parts of the second bolts are hinged with the front side walls of the second bearing, the front end parts of the second bolts are fixedly connected with a second gear, a second adjusting rod is arranged between the two third support plates, two ends of the second adjusting rod are respectively hinged with the third support plate, the positions, close to the second gear, of the second adjusting rod are respectively provided with threads meshed with the second gear, and one end of the second adjusting rod extends to the outer side of the third support plate to be fixedly connected with a handle;

A first connecting rod is fixedly arranged above the glue supporting roller between the third supporting plates, glue blocking plates are arranged between the glue spreading roller and the glue supporting roller and close to two ends of the glue supporting roller, and the glue blocking plates are fixedly connected with the first connecting rod; a rubber adding pipe is arranged between the rubber coating roller and the rubber supporting roller and above the middle part, the rubber adding pipe is fixed on the first connecting rod, the other end of the rubber adding pipe is connected to a rubber storage tank, and a rubber beating pump is arranged on the rubber storage tank; a glue sensing probe is arranged above the glue spreading roller and the glue supporting roller and close to the glue blocking plate, and the glue sensing probe is fixedly connected with the first connecting rod; a second connecting rod is fixedly arranged between the third supporting plates and positioned behind the glue spreading roller, and a second photoelectric counter is arranged at the position, close to the middle, of the second connecting rod;

the upper guide roller, the lower guide roller, the support roller, the gluing roller and one end of the glue supporting roller are all connected with a second motor through chains; the roller, the chain, the connection mode of the second motor and the transmission principle are all of the prior art, and are not described in detail herein.

The first photoelectric counter, the second photoelectric counter, the glue sensing probe, the glue beating pump, the electromagnetic valve and the second motor are all electrically connected with the control cabinet.

The material receiving mechanism comprises a supporting platform, two portal brackets are arranged on the rear half part of the supporting platform from front to back, each portal bracket is composed of two upright posts and a cross beam fixedly connected with the upper ends of the two upright posts, the upright posts are respectively arranged on the upper end face of the supporting platform and close to two side parts, a second cylinder which stretches downwards is arranged on the upper end face of each cross beam, a piston rod of the second cylinder penetrates through the cross beam and is fixedly connected with the upper end face of a square material pressing plate, the rear end of the material pressing plate is close to the rear side of the supporting platform, and the front end of the material pressing plate is close to the middle of the supporting platform;

a third cylinder which stretches forwards is arranged on the upper end surface of the material pressing plate near the middle part of the front end, the end part of a piston rod of the third cylinder is fixedly connected with a rear material pushing plate, and first baffle plates are respectively arranged on the left side and the right side of the front side wall of the material pressing plate near the rear material pushing plate; two parallel material blocking strips are arranged below the material pressing plate and positioned on the upper end face of the supporting platform, and the distance between the two material blocking strips is slightly larger than the width of the paperboard; the lower end face of the supporting platform is provided with a fourth cylinder which stretches forwards, the stretching end of the fourth cylinder is arranged at the middle part of the supporting platform, a piston rod of the fourth cylinder can reach the front end of the supporting platform when stretching forwards, a third strip through hole is formed in a part, corresponding to the stroke of the piston rod of the fourth cylinder, of the supporting platform, the end part of the piston rod of the fourth cylinder is fixedly connected with a front side pushing plate arranged on the supporting platform through a connecting rod, and the connecting rod penetrates through the third strip through hole and is fixedly connected with the lower end face of the front side pushing plate;

The lower end face of the rear pushing plate is provided with pushing arms near the left end and the right end, and a fourth strip through hole is formed in a part, corresponding to the stroke of the pushing arms, of the supporting platform;

the upper end face of the supporting platform is provided with a second baffle plate respectively at two sides of the third strip through hole, a square opening is formed in the side wall of the second baffle plate and close to the middle part, the lower part of the square opening extends to the upper end face of the supporting platform, the supporting platform is provided with a left side pushing plate and a right side pushing plate which respectively penetrate through the square opening, the outer side walls of the left side pushing plate and the right side pushing plate are respectively fixedly connected with piston rods of a fifth cylinder close to the middle part of the lower end, and the fifth cylinder is fixedly arranged on the upper end face of the supporting platform and close to the left side and the right side;

the second cylinder, the third cylinder, the fourth cylinder and the fifth cylinder are respectively connected with a compressed gas pipeline and controlled through electromagnetic valves, and the electromagnetic valves are electrically connected with the control cabinet.

The pressing mechanism comprises a lower support frame body and an upper support frame body fixed above the lower support frame body, wherein the lower support frame body comprises two longitudinal support beams arranged side by side, a plurality of transverse connecting beams are arranged between the two support beams, a plurality of support legs are arranged below the support beams, and rotary rollers are respectively hinged between the support beams close to the front end and the rear end; a plurality of middle rolling rods are hinged between the two lower supporting rods from front to back, lower rolling rods are hinged between the supporting legs on two sides near the supporting beam, and the rotating roller at the front end, the middle rolling rods, the rotating roller at the rear end and the lower rolling rods are sequentially connected through a conveying belt;

The front end or the rear end of the conveyor belt is respectively provided with a deflection-resisting roller, one end of the deflection-resisting roller is hinged with the supporting leg, the other end of the deflection-resisting roller is hinged with the supporting beam, and the upper end of the deflection-resisting roller is inclined towards the inside of the conveyor belt;

the upper support frame comprises a square frame, upper support bars are respectively arranged on the left side and the right side of the lower end face of the square frame, a plurality of upper rolling rods are hinged between the two upper support bars from front to back, a plurality of fixing plates are arranged on the upper end face of the square frame from front to back, the left end and the right end of each fixing plate extend out of the square frame, the left end and the right end of each fixing plate are respectively sleeved with the corresponding support beam through a support screw, and nuts are respectively arranged on the two ends of the support screw, which are positioned on the support beam;

the two support beams are respectively sleeved with a lantern ring near the rear end part, shaft sleeves are arranged at the two ends of the rotary roller at the rear end, the shaft sleeves are fixedly connected with the lantern rings, nuts are fixedly arranged on the upper end surfaces of the support beams near the front end parts of the lantern rings, and one end of an adjusting bolt matched with the nuts is abutted against the shaft sleeves;

one end of the rotary roller positioned at the front end or the rear end is connected with a third motor, and the third motor is electrically connected with the control cabinet.

The control cabinet comprises a PLC or a singlechip, a power switch, a start button and an emergency stop button, and is electrically connected with a power supply. The mutual connection relation and the working principle of all the components in the control cabinet are all the prior art, and are not described in detail herein.

The utility model also provides a method for bonding paperboards, which comprises the following steps:

the first step, a power switch is turned on, the second motor and the third motor are started, a plurality of paperboards are placed on a conveyor belt of a feeding mechanism, and the front ends of the paperboards are aligned with the feeding limiting plates; pressing a start-stop button, starting the first motor to drive the conveyor belt, and continuously conveying the paper board at the lowest layer to the gluing mechanism by the conveyor belt;

the second step, the conveyor belt conveys the paper board at the lowest layer between the upper guide roller and the lower guide roller of the gluing mechanism, and then the paper board is continuously conveyed between the supporting roller and the gluing roller, the upper surface of the paper board is coated with glue by the gluing roller, and the paper board is conveyed to the receiving mechanism;

when the number of the paperboards sensed by the second photoelectric counter reaches a set number, the telescopic rod of the first cylinder stretches out, the gluing roller is lifted by the third supporting plate, so that gluing is avoided when the paperboards at the uppermost layer pass through, and after the paperboards at the uppermost layer pass through the second photoelectric counter, the telescopic rod of the first cylinder retracts to drive the gluing roller to return; when the first photoelectric counter senses the paper board at the uppermost layer, the first motor stops running, and the feeding mechanism stops conveying the paper board;

Thirdly, the paperboards conveyed to the receiving mechanism are blocked by the first baffle plate and then fall onto the supporting platform, and the paperboards conveyed continuously are aligned in the front-back direction, the left-side pushing plate and the right-side pushing plate in a reciprocating pushing mode;

when the second photoelectric counter senses that the uppermost paperboard passes through, the second air cylinder drives the pressing plate to ascend, the piston rod of the fourth air cylinder retracts to drive the front side pushing plate to push the aligned multi-layer paperboard to the position below the pressing plate, then the fourth air cylinder drives the front side pushing plate to return, and the second air cylinder drives the pressing plate to descend to compress the bonded multi-layer paperboard;

after the fourth cylinder drives the front side pushing plate to return, the first motor operates, the feeding mechanism automatically operates to feed, gluing and bonding of a second multilayer paperboard are started, when the second photoelectric counter senses that the uppermost paperboard of the second multilayer paperboard passes, the second cylinder drives the pressing plate to rise, a piston rod of the fourth cylinder retracts to drive the front side pushing plate to push the aligned second multilayer paperboard to the position below the pressing plate, and meanwhile, the second multilayer paperboard pushes the first multilayer paperboard to the pressing mechanism;

And fourthly, after the multilayer paper board is pushed to the pressing mechanism from the material receiving mechanism, the multilayer paper board is continuously conveyed to the rear end through the conveying belt, the glue of the multilayer paper board is gradually solidified in the conveying process of the pressing mechanism, the multilayer paper board is conveyed to the rear end of the pressing mechanism, the glue is solidified, and the paper board is bonded.

The beneficial effects of the utility model are as follows: the pressing mechanism provided by the utility model can ensure continuous pressure of the adhered paperboards in the conveying process, so that the paperboards are adhered more firmly, and the pressing mechanism is matched with other mechanisms of an automatic paperboard adhering machine to use, so that the tight matching of production processes such as feeding, gluing, receiving, pressing and the like is realized, the degree of automation is high, the labor intensity of workers is reduced, and the production efficiency is remarkably improved.

Drawings

Fig. 1 is an overall schematic diagram of an embodiment of the present utility model.

FIG. 2 is a schematic view of a feeding mechanism according to an embodiment of the present utility model.

Fig. 3 is a schematic diagram of a glue spreading mechanism according to an embodiment of the utility model.

Fig. 4 is a rear view of the glue application mechanism according to an embodiment of the present utility model.

Fig. 5 is a schematic view of a receiving mechanism according to an embodiment of the present utility model.

Fig. 6 is a schematic diagram of a pressing mechanism according to an embodiment of the utility model.

Wherein, the reference numerals are as follows: 1. a feed mechanism; 2. a gluing mechanism; 3. a receiving mechanism; 4. a pressing mechanism; 5. a feed base; 6. a feed support plate; 7. a feed roller; 8. a conveyor belt; 9. a fixed rod; 10. a feed restrictor plate; 11. a first fixed block; 12. a feed baffle; 13. a second fixed block; 14. adjusting a screw; 15. a feed support bar; 16. a support plate; 17. a material supporting roller; 18. a gluing base; 19. a first support plate; 20. a material guiding roller is arranged; 21. a lower material guiding roller; 22. a first photoelectric counter; 23. a second support plate; 24. a support roller; 25. a third support plate; 26. a glue spreading roller; 27. a glue supporting roller; 28. a first cylinder; 29. a first connecting rod; 30. adding a rubber tube; 31. a glue sensing probe; 32. a second connecting rod; 33. a second photoelectric counter; 34. a support platform; 35. a door-shaped bracket; 36. a second cylinder; 37. a pressing plate; 38. a third cylinder; 39. a rear side pushing plate; 40. a first striker plate; 41. a material blocking strip; 42. a fourth cylinder; 43. a front side pushing plate; 44. a third elongated through hole; 45. a fourth elongated through hole; 46. a second striker plate; 47. a left pushing plate; 48. a fifth cylinder; 49. a support beam; 50. support legs; 51. rotating the drum; 52. a lower support bar; 53. a middle rolling rod; 54. a lower scroll bar; 55. a conveyor belt; 56. a deflection-preventing roller; 57. a square frame; 58. an upper support bar; 59. an upper scroll bar; 60. a fixing plate; 61. a support screw; 62. a collar; 63. and (5) adjusting a bolt.

Detailed Description

In order to clearly illustrate the technical characteristics of the scheme, the scheme is explained below through a specific embodiment.

Example 1

Referring to fig. 1-6, an embodiment of the utility model provides an automatic paperboard bonding machine, which comprises a control cabinet, and a feeding mechanism 1, a gluing mechanism 2, a receiving mechanism 3 and a pressing mechanism 4 which are sequentially arranged.

The feeding mechanism 1 comprises a feeding base 5, feeding support plates 6 are respectively arranged at the positions, close to the left side and the right side, of the upper end face of the feeding base 5, feeding rollers 7 are respectively arranged at the positions, close to the front end and the rear end, of the feeding support plates 6, two ends of each feeding roller 7 are respectively hinged with two feeding support plates 6 at the left side and the right side, and a conveying belt 8 is arranged between the two feeding rollers 7; one end of a feeding roller 7 positioned at the front end or the rear end penetrates through a feeding supporting plate 6 to be connected with a first motor, and the first motor is electrically connected with a control cabinet;

the parts of the two feeding support plates 6 close to the rear end extend upwards, two fixing rods 9 are arranged above the feeding roller 7 at the rear end in parallel, the two fixing rods 9 are arranged side by side in the vertical direction, and two ends of each fixing rod 9 are fixedly connected with the two feeding support plates 6 at the left side and the right side respectively;

the feeding mechanism 1 further comprises two feeding limiting plates 10 vertically arranged above the rear end part close to the conveyor belt 8, the feeding limiting plates 10 are connected with first fixing blocks 11 arranged on the fixing rods 9, the upper end part and the lower end part of the first fixing blocks 11 close to the fixing rods 9 are respectively sleeved with the fixing rods 9, and the first fixing blocks 11 are arranged in the middle part close to the fixing rods 9; the front side wall of the first fixed block 11 is provided with a trapezoidal clamping groove, the rear side wall of the feeding limiting plate 10 is provided with a trapezoidal clamping strip matched with the trapezoidal clamping groove, the upper end part of the rear side wall of the feeding limiting plate 10 is provided with a connecting block, the upper end surface of the connecting block is provided with a downward through hole, the upper end surface of the first fixed block 11 is provided with a bolt penetrating through the through hole, and a spring is sleeved outside the bolt and positioned between the first fixed block 11 and the connecting block; the gap between the feeding limiting plate 10 and the conveyor belt 8 is slightly larger than the thickness of one layer of paperboard;

The feeding mechanism 1 further comprises two feeding baffles 12 vertically arranged above the rear end part close to the conveyor belt 8, the feeding baffles 12 are fixedly connected with second fixing blocks 13 arranged on the fixing rods 9, the parts, close to the upper end and the lower end, of the second fixing blocks 13 are respectively sleeved with the fixing rods 9, and the second fixing blocks 13 are arranged at the parts, close to the outer sides of the first fixing blocks 11;

an adjusting screw 14 is respectively arranged between the two fixed rods 9 on the two feeding support plates 6, one end of each adjusting screw 14 is respectively hinged with the feeding support plate 6 on the same side, each adjusting screw 14 is respectively in threaded connection with a first fixed block 11 and a second fixed block 13 on the same side, and each adjusting screw 14 penetrates out of the feeding support plate 6 on the same side to be respectively fixedly connected with an adjusting handle;

a plurality of feeding support rods 15 are arranged between the two feeding rollers 7, and two ends of each feeding support rod 15 are respectively hinged with the two feeding support plates 6 on two sides; a supporting flat plate 16 is arranged at the position, close to the rear end, of the feeding roller 7 between the two feeding rollers 7, two ends of the supporting flat plate 16 are fixedly connected with the two feeding supporting plates 6 on two sides respectively, and the feeding supporting rods 15 and the supporting flat plate 16 are tightly attached to the conveyor belt 8;

a plurality of material supporting rollers 17 are arranged in front of the feeding roller 7 at the front end, and two ends of the material supporting rollers 17 are respectively hinged with two feeding support plates 6 at two sides.

The gluing mechanism 2 comprises a gluing base 18, wherein first support plates 19 are respectively arranged on two sides, close to the front end, of the upper end face of the gluing base 18, an upper guide roller 20 and a lower guide roller 21 which are arranged side by side up and down are arranged on the gluing base 18, and two ends of the upper guide roller 20 and the lower guide roller 21 are respectively hinged with the first support plates 19; a first photoelectric counter 22 is arranged at the rear part of the upper guide roller 20 and close to the middle part, and the first photoelectric counter 22 is fixed on a first supporting plate 19 through a bracket;

the left side wall and the right side wall of the first supporting plate 19 are provided with first strip through holes close to the upper end parts, the upper material guide roller 20 is hinged with the first supporting plate 19 through a first bearing arranged in the first strip through holes, the upper end faces of the two first supporting plates 19 are respectively provided with a first bolt, the lower end parts of the first bolts are hinged with the upper end faces of the first bearings, the upper end parts of the first bolts are fixedly connected with first gears, a first adjusting rod is arranged between the two first supporting plates 19, the two ends of the first adjusting rod are respectively hinged with the first supporting plates 19, the positions of the first adjusting rod close to the gears are respectively provided with threads meshed with the first gears, and one end of the adjusting rod extends to the outer side of the first supporting plate 19 to be fixedly connected with a handle;

Two sides of the upper end surface of the gluing base 18, which are close to the rear end part, are respectively provided with a second supporting plate 23, a supporting roller 24 which is horizontal to the lower material guiding roller 21 is arranged between the second supporting plates 23, and two ends of the supporting roller 24 are respectively hinged with the second supporting plates 23; a third supporting plate 25 is arranged above the second supporting plate 23, a gluing roller 26 is arranged above the supporting roller 24, a glue supporting roller 27 is arranged at the front side of the gluing roller 26, two ends of the gluing roller 26 and the glue supporting roller 27 are respectively hinged with the third supporting plate 25, and the position, close to the front side, of the lower end of the third supporting plate 25 is hinged with the first supporting plate 19 through a connecting arm; the outer side wall of the second supporting plate 23 is provided with a first cylinder 28 which stretches upwards near the rear end part, the end part of a piston rod of the first cylinder 28 is connected with the lower end of the outer side wall of the third supporting plate 25 near the rear end part, the first cylinder 28 is connected with a compressed gas pipeline, and the compressed gas pipeline is controlled by an electromagnetic valve;

the left side wall and the right side wall of the third supporting plate 25 are provided with second strip through holes close to the front end part, the glue supporting roller 27 is hinged with the third supporting plate 25 through a second bearing arranged in the second strip through holes, the front side walls of the two third supporting plates 25 are respectively provided with second bolts, the rear end parts of the second bolts are hinged with the front side walls of the second bearings, the front end parts of the second bolts are fixedly connected with second gears, a second adjusting rod is arranged between the two third supporting plates 25, the two ends of the second adjusting rod are respectively hinged with the third supporting plates 25, the parts of the second adjusting rod close to the second gears are respectively provided with threads meshed with the second gears, and one end of the second adjusting rod extends to the outer side of the third supporting plates 25 and is fixedly connected with a handle;

A first connecting rod 29 is fixedly arranged between the third supporting plates 25 above the glue supporting rollers 27, and glue blocking plates are arranged between the glue coating rollers 26 and the glue supporting rollers 27 and close to two ends, and are fixedly connected with the first connecting rod 29; a rubber adding pipe 30 is arranged between the rubber coating roller 26 and the rubber supporting roller 27 and is close to the upper part of the middle part, the rubber adding pipe 30 is fixed on a first connecting rod 29, the other end of the rubber adding pipe 30 is connected to a rubber storage tank, and a rubber beating pump is arranged on the rubber storage tank; a glue sensing probe 31 is arranged above the glue spreading roller 26 and the glue supporting roller 27 and close to the glue blocking plate, and the glue sensing probe 31 is fixedly connected with a first connecting rod 29; a second connecting rod 32 is fixedly arranged between the third supporting plates 25 and positioned behind the glue spreading roller 26, and a second photoelectric counter 33 is arranged at the position, close to the middle, of the second connecting rod 32;

one end of the upper guide roller 20, the lower guide roller 21, the supporting roller 24, the gluing roller 26 and the glue supporting roller 27 is connected with a second motor through chains; the connection mode and the transmission principle of the roller, the chain and the second motor are all the prior art, and are not described in detail herein.

The first photoelectric counter 22, the second photoelectric counter 33, the glue sensing probe 31, the glue beating pump, the electromagnetic valve and the second motor are all electrically connected with the control cabinet.

The material receiving mechanism 3 comprises a supporting platform 34, two portal-shaped brackets 35 are arranged on the rear half part of the supporting platform 34 from front to back, each portal-shaped bracket 35 consists of two upright posts and a cross beam fixedly connected with the upper ends of the two upright posts, the upright posts are respectively arranged on the upper end face of the supporting platform 34 and close to two side parts, a second air cylinder 36 which stretches downwards is arranged on the upper end face of each cross beam, a piston rod of the second air cylinder 36 penetrates through the cross beam and is fixedly connected with the upper end face of a square material pressing plate 37, the rear end of the material pressing plate 37 is arranged close to the rear side of the supporting platform 34, and the front end of the material pressing plate 37 is arranged close to the middle of the supporting platform 34;

a third cylinder 38 which stretches forwards is arranged on the upper end surface of the material pressing plate 37 near the middle part of the front end, the end part of a piston rod of the third cylinder 38 is fixedly connected with a rear material pushing plate 39, and first baffle plates 40 are respectively arranged on the left side and the right side parts of the front side wall of the material pressing plate 37 near the rear material pushing plate 39; two parallel material blocking strips 41 are arranged on the upper end face of the supporting platform 34 below the material pressing plate 37, and the distance between the two material blocking strips 41 is slightly larger than the width of the paperboard; the lower end face of the supporting platform 34 is provided with a fourth air cylinder 42 which stretches forwards, the stretching end of the fourth air cylinder 42 is arranged at the middle part of the supporting platform 34, a piston rod of the fourth air cylinder 42 can reach the front end of the supporting platform 34 when stretching forwards, a third long through hole 44 is arranged at a position of the supporting platform 34 corresponding to the stroke of the piston rod of the fourth air cylinder 42, the end part of the piston rod of the fourth air cylinder 42 is fixedly connected with a front pushing plate 43 arranged on the supporting platform 34 through a connecting rod, and the connecting rod passes through the third long through hole 44 and is fixedly connected with the lower end face of the front pushing plate 43;

The lower end face of the rear pushing plate 39 is provided with pushing arms near the left end and the right end, and a fourth strip through hole 45 is arranged on the supporting platform 34 at a position corresponding to the stroke of the pushing arms;

the two sides of the third strip through hole 44 on the upper end surface of the supporting platform 34 are respectively provided with a second striker plate 46, a square opening is formed in the side wall of the second striker plate 46 near the middle part, the lower part of the square opening extends to the upper end surface of the supporting platform 34, the supporting platform 34 is provided with a left material pushing plate 47 and a right material pushing plate which respectively penetrate through the square opening, the middle parts of the outer side walls of the left material pushing plate 47 and the right material pushing plate near the lower end are respectively fixedly connected with piston rods of fifth cylinders 48, and the fifth cylinders 48 are fixedly arranged on the upper end surface of the supporting platform 34 near the left side part and the right side part;

the second, third, fourth and fifth cylinders 36, 38, 42, 48 are connected with compressed gas lines, respectively, and are controlled by solenoid valves, which are electrically connected with a control cabinet.

The pressing mechanism 4 comprises a lower support frame body and an upper support frame body fixed above the lower support frame body, wherein the lower support frame body comprises two longitudinal support beams 49 which are arranged side by side, a plurality of transverse connecting beams are arranged between the two support beams 49, a plurality of support legs 50 are arranged below the support beams 49, and rotary rollers 51 are respectively hinged between the support beams 49 near the front end and the rear end; the upper end surface of each supporting beam 49 is fixedly provided with a lower supporting beam 52 near the inner side, a plurality of middle rolling rods 53 are hinged between the two lower supporting beam 52 from front to back, lower rolling rods 54 are hinged between the supporting legs 50 on two sides near the supporting beam 49, and the front rotary roller 51, the middle rolling rods 53, the rear rotary roller 51 and the lower rolling rods 54 are sequentially connected through a conveying belt 55;

The front end or the rear end of the conveyer belt 55 is respectively provided with a deflection-preventing roller 56, one end of the deflection-preventing roller 56 is hinged with the supporting leg 50, the other end of the deflection-preventing roller 56 is hinged with the supporting beam 49, and the upper end of the deflection-preventing roller 56 is arranged to incline towards the inside of the conveyer belt 55;

the upper support frame body comprises a square frame 57, wherein upper support bars 58 are respectively arranged on the left side and the right side of the lower end surface of the square frame 57, a plurality of upper rolling rods 59 are hinged between the two upper support bars 58 from front to back, a plurality of fixing plates 60 are arranged on the upper end surface of the square frame 57 from front to back, the square frame 57 extends out of the left end and the right end of the fixing plates 60, the left end and the right end of the fixing plates 60 are respectively sleeved with the support beam 49 through a support screw 61, and nuts are respectively arranged at the two ends of the support screw 61, which are positioned on the support beam 49;

collar 62 is sleeved on the two support beams 49 near the rear end part respectively, shaft sleeves are arranged at the two ends of the rotary drum 51 at the rear end, the shaft sleeves are fixedly connected with the collar 62, nuts are fixedly arranged on the upper end face of the support beams 49 near the front end part of the collar 62, and one end of an adjusting bolt 63 matched with the nuts is tightly abutted against the shaft sleeves;

one end of the rotary drum 51 located at the front end or the rear end is connected to a third motor, and the third motor is electrically connected to the control cabinet.

The embodiment of the utility model also provides a method for bonding the paperboards, which comprises the following steps:

the first step, a power switch is turned on, a second motor and a third motor are started, a plurality of paperboards are placed on a conveyor belt 8 of a feeding mechanism 1, and the front ends of the paperboards are aligned with a feeding limiting plate 10; pressing a start-stop button, starting a first motor to drive a conveyor belt 8, and continuously conveying the paper board at the lowest layer to the gluing mechanism 2 by the conveyor belt 8;

the second step, the conveyor belt 8 conveys the paper board at the lowest layer between the upper guide roller 20 and the lower guide roller 21 of the gluing mechanism 2, then the paper board is conveyed between the supporting roller 24 and the gluing roller 26, the upper surface of the paper board is coated with glue by the gluing roller 26, and the paper board is conveyed to the receiving mechanism 3;

when the paperboards sensed by the second photoelectric counter 33 reach the set quantity, the telescopic rod of the first air cylinder 28 stretches out, the gluing roller 26 is lifted by the third supporting plate 25, so that gluing is avoided when the paperboards at the uppermost layer pass through, and after the paperboards at the uppermost layer pass through the second photoelectric counter 33, the telescopic rod of the first air cylinder 28 retracts to drive the gluing roller 26 to return; when the first photoelectric counter 22 senses the uppermost layer of paper board, the first motor stops running, and the feeding mechanism 1 stops conveying the paper board;

Thirdly, the paperboards conveyed to the receiving mechanism 3 are blocked by the first baffle plate 40 and then fall onto the supporting platform 34, and the rear pushing plate 39, the left pushing plate 47 and the right pushing plate periodically push back and forth to align the continuously conveyed paperboards from front to back and from left to right;

when the second photoelectric counter 33 senses that the uppermost paperboard passes through, the second air cylinder 36 drives the pressing plate 37 to ascend, the piston rod of the fourth air cylinder 42 retracts to drive the front side pushing plate 43 to push the aligned multi-layer paperboard to the position below the pressing plate 37, then the fourth air cylinder 42 drives the front side pushing plate 43 to return, and the second air cylinder 36 drives the pressing plate 37 to descend to compress the bonded multi-layer paperboard;

after the fourth air cylinder 42 drives the front material pushing plate 43 to return, the first motor operates, the feeding mechanism 1 automatically operates to feed, glue coating and bonding of the second multi-layer paper board are started, when the second photoelectric counter 33 senses that the paper board on the uppermost layer of the second multi-layer paper board passes through, the second air cylinder 36 drives the material pressing plate 37 to ascend, the piston rod of the fourth air cylinder 42 retracts to drive the front material pushing plate 43 to push the aligned second multi-layer paper board to the position below the material pressing plate 37, and meanwhile, the second multi-layer paper board pushes the first multi-layer paper board to the pressing mechanism 4;

And fourthly, after the multi-layer paper board is pushed to the pressing mechanism 4 from the material receiving mechanism 3, the multi-layer paper board is continuously conveyed to the rear end through the conveying belt 55, the glue of the multi-layer paper board is gradually solidified in the conveying process of the pressing mechanism 4, the multi-layer paper board is conveyed to the rear end of the pressing mechanism 4, the glue is solidified, and the paper board is bonded.

Example 2

Referring to fig. 1-5, an embodiment of the utility model provides an automatic paperboard bonding machine, which comprises a control cabinet, and a feeding mechanism 1, a gluing mechanism 2 and a receiving mechanism 3 which are sequentially arranged.

Example 3

Referring to fig. 2, an embodiment of the present utility model provides a feed mechanism for an automatic board bonder.

The feeding mechanism comprises a feeding base 5, feeding support plates 6 are respectively arranged at the positions, close to the left side and the right side, of the upper end face of the feeding base 5, feeding rollers 7 are respectively arranged at the positions, close to the front end and the rear end, of the feeding support plates 6, two ends of each feeding roller 7 are respectively hinged with the two feeding support plates 6 at the left side and the right side, and a conveying belt 8 is arranged between the two feeding rollers 7; one end of a feeding roller 7 positioned at the front end or the rear end penetrates through a feeding supporting plate 6 to be connected with a first motor, the first motor is electrically connected with a control cabinet, and the control cabinet is electrically connected with a power supply;

the feeding mechanism further comprises two feeding limiting plates 10 which are vertically arranged above the rear end part close to the conveyor belt 8, the feeding limiting plates 10 are connected with first fixing blocks 11 which are arranged on the fixing rods 9, the parts, close to the upper end and the lower end, of the first fixing blocks 11 are respectively sleeved with the fixing rods 9, and the first fixing blocks 11 are arranged at the parts, close to the middle of the fixing rods 9; the front side wall of the first fixed block 11 is provided with a trapezoidal clamping groove, the rear side wall of the feeding limiting plate 10 is provided with a trapezoidal clamping strip matched with the trapezoidal clamping groove, the upper end part of the rear side wall of the feeding limiting plate 10 is provided with a connecting block, the upper end surface of the connecting block is provided with a downward through hole, the upper end surface of the first fixed block 11 is provided with a bolt penetrating through the through hole, and a spring is sleeved outside the bolt and positioned between the first fixed block 11 and the connecting block; the gap between the feeding limiting plate 10 and the conveyor belt 8 is slightly larger than the thickness of one layer of paperboard;

The feeding mechanism further comprises two feeding baffles 12 which are vertically arranged above the rear end part close to the conveyor belt 8, the feeding baffles 12 are fixedly connected with second fixing blocks 13 arranged on the fixing rods 9, the parts, close to the upper end and the lower end, of the second fixing blocks 13 are respectively sleeved with the fixing rods 9, and the second fixing blocks 13 are arranged at the parts, close to the outer sides of the first fixing blocks 11;

Example 4

Referring to fig. 3 and 4, an embodiment of the present utility model provides a glue mechanism for an automatic paperboard gluing machine.

The gluing mechanism comprises a gluing base 18, wherein first support plates 19 are respectively arranged on two sides, close to the front end part, of the upper end surface of the gluing base 18, an upper guide roller 20 and a lower guide roller 21 which are arranged side by side up and down are arranged on the gluing base 18, and two ends of the upper guide roller 20 and the lower guide roller 21 are respectively hinged with the first support plates 19; a first photoelectric counter 22 is arranged at the rear part of the upper guide roller 20 and close to the middle part, and the first photoelectric counter 22 is fixed on a first supporting plate 19 through a bracket;

The first photoelectric counter 22, the second photoelectric counter 33, the glue sensing probe 31, the glue pump, the electromagnetic valve and the second motor are all electrically connected with a control cabinet, and the control cabinet is electrically connected with a power supply.

Example 5

Referring to fig. 5, an embodiment of the present utility model provides a receiving mechanism for an automatic board bonder.

The material receiving mechanism comprises a supporting platform 34, two portal-shaped brackets 35 are arranged on the rear half part of the supporting platform 34 from front to back, each portal-shaped bracket 35 consists of two upright posts and a cross beam fixedly connected with the upper ends of the two upright posts, the upright posts are respectively arranged on the upper end face of the supporting platform 34 and close to two side parts, a second air cylinder 36 which stretches downwards is arranged on the upper end face of each cross beam, a piston rod of the second air cylinder 36 penetrates through the cross beam and is fixedly connected with the upper end face of a square material pressing plate 37, the rear end of the material pressing plate 37 is arranged close to the rear side of the supporting platform 34, and the front end of the material pressing plate 37 is arranged close to the middle of the supporting platform 34;

the second, third, fourth and fifth cylinders 36, 38, 42, 48 are respectively connected with compressed gas lines and controlled by solenoid valves, which are electrically connected with a control cabinet, which is electrically connected with a power supply.

Example 6

Referring to fig. 6, an embodiment of the present utility model provides a press mechanism for an automatic board bonder.

The pressing mechanism comprises a lower support frame body and an upper support frame body fixed above the lower support frame body, wherein the lower support frame body comprises two longitudinal support beams 49 which are arranged side by side, a plurality of transverse connecting beams are arranged between the two support beams 49, a plurality of support legs 50 are arranged below the support beams 49, and rotary rollers 51 are respectively hinged between the support beams 49 near the front end and the rear end; the upper end surface of each supporting beam 49 is fixedly provided with a lower supporting beam 52 near the inner side, a plurality of middle rolling rods 53 are hinged between the two lower supporting beam 52 from front to back, lower rolling rods 54 are hinged between the supporting legs 50 on two sides near the supporting beam 49, and the front rotary roller 51, the middle rolling rods 53, the rear rotary roller 51 and the lower rolling rods 54 are sequentially connected through a conveying belt 55;

one end of the rotary drum 51 positioned at the front end or the rear end is connected with a third motor, the third motor is electrically connected with a control cabinet, and the control cabinet is electrically connected with a power supply.

The technical features of the present utility model that are not described in the present utility model may be implemented by or using the prior art, and are not described in detail herein, but the above description is not intended to limit the present utility model, and the present utility model is not limited to the above examples, but is also intended to be within the scope of the present utility model by those skilled in the art.

Claims

1. The pressing mechanism for the automatic paperboard bonding machine is characterized by comprising a lower support frame body and an upper support frame body fixed above the lower support frame body, wherein the lower support frame body comprises two longitudinal support beams arranged side by side, a plurality of transverse connecting beams are arranged between the two support beams, a plurality of support legs are arranged below the support beams, and rotating rollers are hinged between the support beams near the front end and the rear end respectively; a plurality of middle rolling rods are hinged between the two lower supporting rods from front to back, lower rolling rods are hinged between the supporting legs on two sides near the supporting beam, and the rotating roller at the front end, the middle rolling rods, the rotating roller at the rear end and the lower rolling rods are sequentially connected through a conveying belt;

one end of the rotary roller positioned at the front end or the rear end is connected with a third motor, the third motor is electrically connected with a control cabinet, and the control cabinet is electrically connected with a power supply;

the two support beams are respectively sleeved with a lantern ring near the rear end part, shaft sleeves are arranged at the two ends of the rotary roller at the rear end, the shaft sleeves are fixedly connected with the lantern rings, nuts are fixedly arranged on the upper end faces of the support beams near the front end parts of the lantern rings, and one ends of adjusting bolts matched with the nuts are abutted to the shaft sleeves.