CN211619346U

CN211619346U - Stacking device for carton production

Info

Publication number: CN211619346U
Application number: CN201922374152.9U
Authority: CN
Inventors: 范东明
Original assignee: Zhengzhou Hongmei Color Printing Packaging Co ltd
Current assignee: Zhengzhou Hongmei Color Printing Packaging Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-10-02
Anticipated expiration: 2029-12-25

Abstract

The utility model belongs to the technical field of carton processing equipment and specifically relates to a bunching device is used in carton production is related to, including frame, the conveyor of setting in the frame and the receiving device of setting in frame one side, conveyor is used for carrying the cardboard, is provided with bunching device in the frame, and bunching device is including being used for carrying out the conveying mechanism that carries the cardboard to receiving device department, being used for carrying out spacing stop gear and being used for the adjustment mechanism highly adjusting the cardboard to the cardboard, and conveying mechanism sets up in the frame, and stop gear and adjustment mechanism all set up in the frame. Through being provided with bunching device in the frame, stop gear carries on spacingly with the cardboard, carries through conveying mechanism, and in the transportation process, highly carrying out automatically regulated to the carton through adjustment mechanism can satisfy the user and pile up the demand of the little buttress that becomes to different quantity.

Description

Stacking device for carton production

Technical Field

The utility model belongs to the technical field of the carton processing equipment and specifically relates to a bunching device is used in carton production.

Background

At present, the paper box is the most widely used packaging product, and comprises a corrugated paper box, a single-layer paper box and the like according to different materials, and has various specifications and models, the common paper box comprises three layers and five layers, seven layers are used less, each layer comprises inner paper, corrugated paper, core paper and surface paper, the inner paper and the surface paper comprise tea board paper and kraft paper, the corrugated paper for the core paper has different colors and handfeel, and the paper produced by different manufacturers is different. In the carton production process, the carton boards need to be stacked into small stacks according to a certain number through the stacking device, and after stacking is completed, subsequent processing is carried out on the carton boards.

The current chinese patent with publication number CN105775767A discloses a paste punch-out equipment bottom stacking mechanism, including baffle and transport mechanism, and install in the tilting mechanism at transport mechanism middle part, transport the carton backward through transport mechanism, when transporting the rear side, the carton realizes inclining backward because of lever principle, the carton rear end that inclines backward is laminated with the baffle, guarantee that next carton can conveniently get into, it is inboard to put a carton bottom down to L type lifting mechanism simultaneously, observe carton stack height, when reaching a take the altitude, L type hoist mechanism carries away the carton, get back to the carton of bottom again after that.

The above prior art solutions have the following drawbacks: although this paste punch-out equipment bottom stacking mechanism can carry out effectual stack processing to the carton, at the stack in-process, L type hoist mechanism can only carry out the stack to the carton of take the altitude, can not adjust then carry out the stack to the carton of co-altitude not, can't satisfy the user to the demand that the small buttress that becomes was piled up to different quantity, consequently, need improve it.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, one of the purposes of the utility model is to provide a bunching device is used in carton production, and it is through being provided with bunching device in the frame, and stop gear carries the cardboard spacingly, carries through conveying mechanism, and in the transportation process, highly carrying out automatically regulated to the carton through adjustment mechanism, can satisfy the user to the demand of the little buttress that different quantity pile up into.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

stacking device is used in carton production, including frame, setting conveyor in the frame and the receiving device who sets up in frame one side, conveyor is used for carrying the cardboard, be provided with bunching device in the frame, bunching device is including being used for carrying out conveying mechanism that the cardboard was carried to receiving device department, being used for carrying out spacing stop gear and being used for carrying out the adjustment mechanism that adjusts to the height of cardboard, conveying mechanism sets up in the frame, stop gear and adjustment mechanism all set up in the frame.

Through adopting above-mentioned technical scheme, the cardboard gets into in the frame, carry the cardboard through conveyor, carry bunching device department with the cardboard, and the butt is on stop gear's medial surface, after the cardboard piles up a certain amount in stop gear department, start conveying mechanism, carry the cardboard to receiving device department, in the cardboard transportation process, highly adjust the cardboard through adjustment mechanism, make the height that satisfies the required cardboard of user can reach receiving device department through adjustment mechanism, thereby can realize adjusting the quantity of required cardboard, and convenient for operation.

The present invention may be further configured in a preferred embodiment as: the conveying mechanism comprises a driving device, a rotating roller and a conveying belt, the driving device is fixedly arranged on the rack, an output shaft of the driving device is in running fit with the rack, and the conveying belt is sleeved on the rotating roller.

Through adopting above-mentioned technical scheme, drive arrangement is fixed to be set up in the frame, and drive arrangement's output shaft and frame normal running fit start drive arrangement, drive the live-rollers rotation, drive the conveyer belt, can carry the cardboard on the conveyer belt.

The present invention may be further configured in a preferred embodiment as: stop gear includes gag lever post, dwang and butt piece one, the gag lever post is fixed to be set up in the frame, and the side butt of gag lever post is in the cardboard along the ascending side of length direction of frame, the dwang sets up in the frame, and dwang and frame normal running fit, the butt piece is one set to be located on the dwang.

Through adopting above-mentioned technical scheme, carry out spacing processing with the cardboard through the gag lever post, make the cardboard can't carry on carrying on along the length direction of frame, carry out stack processing to the cardboard, simultaneously through a butt of butt piece butt on the cardboard, can avoid the side of cardboard to take place to stick up the limit phenomenon.

The present invention may be further configured in a preferred embodiment as: the adjusting mechanism comprises a driving assembly and a supporting assembly, the supporting assembly is fixedly arranged on the rack, the driving assembly is arranged on the supporting assembly, and the driving assembly is in sliding fit with the supporting assembly.

Through adopting above-mentioned technical scheme, start drive assembly, make drive assembly move in supporting component to make required cardboard pass through drive assembly, on getting into receiving device, accomplish the regulation to the quantity of required cardboard, the simple operation.

The present invention may be further configured in a preferred embodiment as: the supporting component comprises a fixing rod and a sliding rail, the fixing rod is fixedly arranged on the rack, the sliding rail is fixedly arranged on the fixing rod, the sliding rail is vertically arranged, the sliding rail is arranged on the fixing rod along the length direction of the rack, and the two adjacent sliding rails are arranged oppositely.

Through adopting above-mentioned technical scheme, the dead lever is fixed to be set up in the frame, and the slide rail is fixed to be set up on the dead lever, fixes the dead lever in the frame, then fixes the slide rail on the dead lever, can realize the simple operation to drive assembly's installation through the slide rail.

The present invention may be further configured in a preferred embodiment as: the drive assembly comprises a drive motor, a rotating screw and a limiting plate, the drive motor is fixedly arranged on the fixing rod, an output shaft of the drive motor is in running fit with the fixing rod, the rotating screw penetrates through the fixing rod, the rotating screw is coaxially fixed on the output shaft of the drive motor, the limiting plate is embedded between two adjacent sliding rails, the limiting plate is in sliding fit with the sliding rails, the limiting plate is sleeved on the rotating screw, and the limiting plate is in threaded connection with the rotating screw.

Through adopting above-mentioned technical scheme, start driving motor, the drive rotates the screw rod and rotates, thereby can drive the limiting plate and slide along vertical direction in the slide rail, adjust the completion back, close driving motor, adjust through the vertical height to between the limiting plate to the frame, make the cardboard of take the altitude can reach supporting device department through the limiting plate, thereby according to the height of single cardboard, can derive the quantity of the cardboard of take the altitude, thereby satisfy the user to piling up into the demand of a buttress of the cardboard of different quantity.

The present invention may be further configured in a preferred embodiment as: the pressing mechanism is fixedly arranged on the limiting plate and comprises a side pressing assembly and a corner pressing assembly, the side pressing assembly is arranged at the bottom of the limiting plate, and the corner pressing assembly is arranged on the limiting plate.

Through adopting above-mentioned technical scheme, side pressfitting subassembly sets up in the bottom of limiting plate, and turning pressfitting subassembly sets up on the limiting plate, carries out the pressfitting to the side of cardboard through side pressfitting subassembly, carries out the pressfitting through turning pressfitting subassembly to the corner limit department on the cardboard, makes the cardboard can not take place to damage or the phenomenon of sticking up the limit.

The present invention may be further configured in a preferred embodiment as: the corner press-fit assembly comprises a motor, a first rotating gear and a second abutting piece, the motor is fixedly arranged on the limiting plate, the first rotating gear is fixedly arranged on an output shaft of the motor, a second rotating gear is meshed with the first rotating gear, a rotary rod is arranged in the second rotating gear in a penetrating mode, a first bevel gear is fixedly arranged on the rotary rod, a second bevel gear is meshed with the first bevel gear, a connecting rod is arranged in the second bevel gear in a penetrating mode, the second abutting piece is arranged on the connecting rod in a sleeved mode, the second abutting piece and the first abutting piece are of the same structure, and elastic pressing sheets are fixedly arranged on the second abutting piece and the first abutting piece.

Through adopting above-mentioned technical scheme, starter motor drives a running gear and rotates, drives two rotations of running gear, drives the rotary rod and rotates, drives bevel gear and rotates after that, drives two rotations of bevel gear, and the connecting rod rotates afterwards to can drive two rotations of butt piece, carry out the pressfitting through the corner of elasticity preforming to the cardboard, avoid the corner of cardboard to be in taking place to stick up the limit phenomenon under blockking of limiting plate.

The present invention may be further configured in a preferred embodiment as: the side pressing assembly comprises a pressing plate and a spring, the spring is fixedly arranged on the bottom of the limiting plate, the spring is vertically arranged, and the pressing plate is fixedly arranged at the bottom end of the spring.

Through adopting above-mentioned technical scheme, during the limiting plate descending motion, can drive the pressfitting board butt at the upper surface of cardboard, carry out the pressfitting to the cardboard, simultaneously through the setting of spring, make vertical distance between pressfitting board and the cardboard can have certain adjustability, can avoid too big to the pressure of cardboard, damage the cardboard.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the stacking device is arranged on the rack, the limiting mechanism limits the paper boards, the conveying mechanism conveys the paper boards, and the height of the paper boxes is automatically adjusted through the adjusting mechanism in the conveying process, so that the requirements of users on small stacks stacked in different quantities can be met;

2. the adjusting mechanism is arranged on the rack, the driving assembly is started, and the driving assembly moves in the supporting assembly, so that the required paper boards can enter the bearing device through the driving assembly, the number of the required paper boards is adjusted, and the operation is convenient and fast;

3. through setting up side pressfitting subassembly in the bottom of limiting plate, turning pressfitting subassembly sets up on the limiting plate, carries out the pressfitting to the side of cardboard through side pressfitting subassembly, carries out the pressfitting through turning pressfitting subassembly to the corner limit department on the cardboard, makes the cardboard can not take place to damage or the phenomenon of sticking up the limit.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view showing a connection relationship between the pressing mechanism and the frame;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a partial sectional view showing the connection relationship of the conveying mechanism and the frame;

fig. 5 is a schematic configuration diagram showing a connection relationship of the adjustment mechanism and the caulking mechanism.

Reference numerals: 1. a frame; 2. a conveying device; 3. a receiving device; 4. a paperboard; 5. a stacking device; 6. a conveying mechanism; 61. a drive device; 62. a rotating roller; 63. a conveyor belt; 7. a limiting mechanism; 71. a limiting rod; 72. rotating the rod; 73. a first abutting part; 8. an adjustment mechanism; 81. a drive assembly; 811. a drive motor; 812. rotating the screw; 813. a limiting plate; 82. a support assembly; 821. fixing the rod; 822. a slide rail; 9. a pressing mechanism; 91. a side press-fit assembly; 911. pressing the plywood; 912. a spring; 92. a corner press-fit assembly; 921. an electric motor; 922. rotating the first gear; 923. a second abutting part; 924. rotating a second gear; 925. rotating the rod; 926. a first bevel gear; 927. a second bevel gear; 928. a connecting rod; 929. and (4) elastic tabletting.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a bunching device is used in carton production, which comprises a frame 1, conveyor 2 and the receiving device 3 of setting in frame 1 one side of setting in frame 1, conveyor 2 is used for carrying the cardboard 4, be provided with bunching device 5 in the frame 1, bunching device 5 is including being used for carrying out the conveying mechanism 6 that carries cardboard 4 to receiving device 3 department, be used for carrying out spacing stop gear 7 and being used for highly adjusting adjustment mechanism 8 to cardboard 4, conveying mechanism 6 sets up in frame 1, stop gear 7 and adjustment mechanism 8 all set up in frame 1. Cardboard 4 gets into in frame 1 from one side of frame 1, carry cardboard 4 through conveyor 2, conveyor 2 can directly adopt the structure the same with conveying mechanism 6, carry 5 departments of bunching device with cardboard 4, and the butt is on stop gear 7's medial surface, after cardboard 4 piles up a certain amount in stop gear 7 department, start conveying mechanism 6, carry cardboard 4 to 3 departments of receiving device, in the cardboard 4 transportation process, highly adjust cardboard 4 through adjustment mechanism 8, make the height that satisfies user's required cardboard 4 can reach receiving device 3 department through adjustment mechanism 8, thereby can realize adjusting the quantity of required cardboard 4.

Referring to fig. 1 and 4, the conveying mechanism 6 includes a driving device 61, a rotating roller 62 and a conveying belt 63, the driving device 61 is fixedly disposed on the frame 1, and the driving device 61 may be directly formed by a motor. The output shaft of the driving device 61 is in running fit with the frame 1, and the conveying belt 63 is sleeved on the rotating roller 62. The conveying device 2 directly adopts the same structure as the conveying mechanism 6, the driving device 61 is started, the rotating roller 62 is driven to rotate, the conveying belt 63 is driven, and the paper boards 4 on the conveying belt 63 can be conveyed.

Referring to fig. 1 and 2, the limiting mechanism 7 includes a limiting rod 71, a rotating rod 72 and a first abutting part 73, the limiting rod 71 is fixedly disposed on the rack 1, a side surface of the limiting rod 71 abuts against a side surface of the paperboard 4 along a length direction of the rack 1, the rotating rod 72 is disposed on the rack 1, the rotating rod 72 is rotatably matched with the rack 1, and the first abutting part 73 is sleeved on the rotating rod 72. Stop gear 7 department is carried to cardboard 4, carries out spacing processing with cardboard 4 through gag lever post 71, makes cardboard 4 can't carry on along the length direction of frame 1, simultaneously through a 73 butt of butt piece on cardboard 4, can avoid the side of cardboard 4 to take place to stick up the limit phenomenon. After a certain amount of paper boards 4 are stacked, the conveying mechanism 6 is started to convey the paper boards 4 to the receiving device 3.

Referring to fig. 3 and 5, the adjusting mechanism 8 includes a driving component 81 and a supporting component 82, the supporting component 82 is fixedly disposed on the frame 1, the driving component 81 is disposed on the supporting component 82, and the driving component 81 is in sliding fit with the supporting component 82. When the required number of the paper boards 4 needs to be adjusted during the process of conveying the paper boards 4 to the receiving device 3, the driving assembly 81 is started to move the driving assembly 81 in the supporting assembly 82, so that the required paper boards 4 can enter the receiving device 3 through the driving assembly 81, and the adjustment of the required number of the paper boards 4 is completed.

Referring to fig. 2 and 5, the supporting assembly 82 includes a fixing rod 821 and a sliding rail 822, the fixing rod 821 is fixedly disposed on the frame 1, the sliding rail 822 is fixedly disposed on the fixing rod 821, the sliding rail 822 is vertically disposed, and the sliding rail 822 is disposed on the fixing rod 821 along the length direction of the frame 1, and two adjacent sliding rails 822 are disposed oppositely. The fixing rod 821 is fixed on the frame 1, and then the sliding rail 822 is fixed on the fixing rod 821, so that the driving assembly 81 can be installed through the sliding rail 822.

Referring to fig. 2 and 5, the driving assembly 81 includes a driving motor 811, a rotating screw 812 and a limiting plate 813, the driving motor 811 is fixedly disposed on the fixing rod 821, an output shaft of the driving motor 811 is rotatably matched with the fixing rod 821, the rotating screw 812 is disposed on the fixing rod 821 in a penetrating manner, the rotating screw 812 is coaxially fixed on the output shaft of the driving motor 811, the limiting plate 813 is embedded between two adjacent sliding rails 822, the limiting plate 813 is slidably matched with the sliding rails 822, the limiting plate 813 is sleeved on the rotating screw 812, and the limiting plate 813 is in threaded connection with the rotating screw 812. When the quantity of cardboards 4 in the conveying process needs to be adjusted, the driving motor 811 is started to drive the rotating screw 812 to rotate, so that the limiting plate 813 can be driven to slide along the vertical direction in the sliding rail 822, and the driving motor 811 is closed after the adjustment is completed. Through adjusting the vertical height between limiting plate 813 to frame 1, make cardboard 4 of a take-up device 3 department can reach through limiting plate 813 to cardboard 4 of a take-up device to according to the height of single cardboard 4, can derive the quantity of cardboard 4 of a take-up device, thereby satisfy the user to piling up into a pile of demand of the cardboard 4 of different quantity.

Referring to fig. 3 and 5, in order to avoid the limiting plate 813 blocking the paperboard 4, the paperboard 4 is damaged or the paperboard 4 is warped, the pressing mechanism 9 is fixedly disposed on the limiting plate 813, the pressing mechanism 9 includes a lateral pressing component 91 and a corner pressing component 92, the lateral pressing component 91 is disposed at the bottom of the limiting plate 813, and the corner pressing component 92 is disposed on the limiting plate 813. Carry out the pressfitting to the side of cardboard 4 through side pressfitting subassembly 91, carry out the pressfitting to the corner limit department on cardboard 4 through turning pressfitting subassembly 92, make cardboard 4 can not take place to damage or the phenomenon of sticking up the limit.

Referring to fig. 3 and 5, corner pressfitting subassembly 92 includes motor 921, a rotating gear 922 and a second abutting piece 923, motor 921 is fixed to be set up on limiting plate 813, a rotating gear 922 is fixed to be set up on the output shaft of motor 921, a rotating gear 924 is meshed to a rotating gear 922, and wear to locate the rotary rod 925 in the rotating gear 924, a bevel gear 926 is fixed to be provided with on the rotary rod 925, a bevel gear 927 is meshed to be provided with on a bevel gear 926, a connecting rod 928 is worn to be provided in the bevel gear 927, a connecting rod 928 is located on connecting rod 928 to the second abutting piece 923 cover, a second abutting piece 923 and a first abutting piece 73 are the same structure, and an elastic pressing piece 929 is all fixed to be provided on a second abutting piece 923 and a first. When blockking cardboard 4 through limiting plate 813, starter motor 921, drive a rolling gear 922 and rotate, drive two 924 rotations of rolling gear, drive rotary rod 925 and rotate, drive one 926 rotation of bevel gear after that, drive two 927 rotations of bevel gear, connecting rod 928 rotates afterwards, thereby can drive two 923 clockwise rotations of butt piece, carry out the pressfitting through elasticity preforming 929 to the corner of cardboard 4, avoid the corner of cardboard 4 to take place to stick up the limit phenomenon under the blockking of limiting plate 813.

Referring to fig. 3 and 5, the side press-fit assembly 91 includes a press-fit plate 911 and a spring 912, the spring 912 is fixedly disposed on the bottom of the limiting plate 813, the spring 912 is vertically disposed, the press-fit plate 911 is fixedly disposed at the bottom end of the spring 912, and the press-fit plate 911 abuts against the upper surface of the paper board 4. When limiting plate 813 descending motion, can drive pressfitting board 911 butt at the upper surface of cardboard 4, carry out the pressfitting to cardboard 4, simultaneously through the setting of spring 912, make vertical distance between pressfitting board 911 and the cardboard 4 can have certain adjustability, can avoid too big to the pressure of cardboard 4, damage cardboard 4.

The implementation principle of the embodiment is as follows: cardboard 4 gets into in frame 1 from one side of frame 1, carry cardboard 4 through conveyor 2, carry 5 departments of bunching device with cardboard 4, and the butt is on stop gear 7's medial surface, pile up behind a certain amount in stop gear 7 department when cardboard 4, start conveying mechanism 6, carry cardboard 4 to 3 departments of accept device, in the 4 transportation process of cardboard, start driving motor 811, drive and rotate screw 812, thereby can drive limiting plate 813 and slide along vertical direction in slide rail 822, adjust the completion after, close driving motor 811. Through adjusting the vertical height to between limiting plate 813 to the frame 1, make cardboard 4 of uniform height can reach strutting arrangement 3 department through limiting plate 813, thereby according to single cardboard 4's height, can derive the quantity of cardboard 4 of uniform height, thereby satisfy the user to piling up into the demand of a buttress to the cardboard 4 of different quantity, starter motor 921 simultaneously, drive a rotating gear 922 and rotate, drive two 924 rotations of rotating gear, drive rotary rod 925 and rotate, drive one 926 rotation of bevel gear, drive two 927 rotations of bevel gear, connecting rod 928 rotates afterwards, thereby can drive two clockwise rotations of butt piece, carry out the pressfitting through the corner of elasticity preforming 929 to cardboard 4, avoid the corner of cardboard 4 to be in taking place the phenomenon of sticking up under the blockking of limiting plate 813. After the cardboard 4 is adjusted, a required certain number of cardboard 4 can reach the receiving device 3 through the gap between the limiting plate 813 and the frame 1 for subsequent processing.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. Stacking device is used in carton production, including frame (1), conveyor (2) of setting in frame (1) and setting up receiving device (3) in frame (1) one side, its characterized in that, conveyor (2) are used for carrying sheet (4), be provided with stacking device (5) on frame (1), stacking device (5) including be used for carrying out conveying mechanism (6) that carry on cardboard (4) to receiving device (3) department, be used for carrying out spacing stop gear (7) and be used for highly adjusting adjustment mechanism (8) to cardboard (4), conveying mechanism (6) set up on frame (1), stop gear (7) and adjustment mechanism (8) all set up on frame (1).

2. The stacking device for carton production according to claim 1, wherein the conveying mechanism (6) comprises a driving device (61), a rotating roller (62) and a conveying belt (63), the driving device (61) is fixedly arranged on the frame (1), an output shaft of the driving device (61) is in rotating fit with the frame (1), and the conveying belt (63) is sleeved on the rotating roller (62).

3. The stacking device for carton production according to claim 2, wherein the limiting mechanism (7) comprises a limiting rod (71), a rotating rod (72) and a first abutting part (73), the limiting rod (71) is fixedly arranged on the rack (1), the side surface of the limiting rod (71) abuts against the side surface of the paperboard (4) along the length direction of the rack (1), the rotating rod (72) is arranged on the rack (1), the rotating rod (72) is in running fit with the rack (1), and the first abutting part (73) is sleeved on the rotating rod (72).

4. A stacking device for carton production according to claim 3, characterised in that the adjustment mechanism (8) comprises a drive assembly (81) and a support assembly (82), the support assembly (82) being fixedly arranged on the frame (1), the drive assembly (81) being arranged on the support assembly (82), and the drive assembly (81) being in sliding engagement with the support assembly (82).

5. The stacking device for carton production according to claim 4, wherein the support assembly (82) comprises a fixing rod (821) and a sliding rail (822), the fixing rod (821) is fixedly arranged on the rack (1), the sliding rail (822) is fixedly arranged on the fixing rod (821), the sliding rail (822) is vertically arranged, the sliding rail (822) is arranged on the fixing rod (821) along the length direction of the rack (1), and two adjacent sliding rails (822) are arranged oppositely.

6. The stacking device for carton production according to claim 5, wherein the driving assembly (81) comprises a driving motor (811), a rotating screw (812) and a limiting plate (813), the driving motor (811) is fixedly arranged on the fixing rod (821), an output shaft of the driving motor (811) is rotatably matched with the fixing rod (821), the rotating screw (812) penetrates through the fixing rod (821), the rotating screw (812) is coaxially fixed on the output shaft of the driving motor (811), the limiting plate (813) is embedded between two adjacent sliding rails (822), the limiting plate (813) is slidably matched with the sliding rails (822), the limiting plate (813) is sleeved on the rotating screw (812), and the limiting plate (813) is in threaded connection with the rotating screw (812).

7. The stacking device for carton production according to claim 6, wherein the limiting plate (813) is fixedly provided with a pressing mechanism (9), the pressing mechanism (9) comprises a side pressing assembly (91) and a corner pressing assembly (92), the side pressing assembly (91) is arranged at the bottom of the limiting plate (813), and the corner pressing assembly (92) is arranged on the limiting plate (813).

8. The stacking device for carton production according to claim 7, wherein the corner pressing component (92) comprises a motor (921), a first rotating gear (922) and a second abutting piece (923), the motor (921) is fixedly arranged on the limiting plate (813), the first rotating gear (922) is fixedly arranged on an output shaft of the motor (921), the first rotating gear (922) is engaged with a second rotating gear (924), the second rotating gear (924) is arranged in a rotating rod (925) in a penetrating manner, the rotating rod (925) is fixedly provided with a first bevel gear (926), the first bevel gear (926) is engaged with a second bevel gear (927), the second bevel gear (927) is internally provided with a connecting rod (928) in a penetrating manner, the second abutting piece (923) is sleeved on the connecting rod (928), and the second abutting piece (923) and the first abutting piece (73) are of the same structure, and the second abutting part (923) and the first abutting part (73) are both fixedly provided with elastic pressing sheets (929).

9. The stacking device for carton production according to claim 8, wherein the side pressing assembly (91) comprises a pressing plate (911) and a spring (912), the spring (912) is fixedly arranged at the bottom of the limiting plate (813), the spring (912) is vertically arranged, and the pressing plate (911) is fixedly arranged at the bottom end of the spring (912).