Paper box corner folding device

Abstract

The utility model relates to a paper box corner folding device which comprises a main shaft, a driving assembly, a corner folding claw assembly and a corner folding claw adjusting assembly. One end of the main shaft is connected with the driving assembly; the main shaft is connected with the angle folding claw assembly, the angle folding claw adjusting assembly is arranged below the main shaft, and the lower end of the angle folding claw assembly is connected with the angle folding claw adjusting assembly. The middle part of the main shaft is square and is provided with a through groove; the four sets of bevel claw assemblies are connected into the through groove at equal intervals. The angle folding claw assembly comprises two pre-folding finger mounting seats, and each pre-folding finger mounting seat is rotationally connected with the inner wall of the through groove through a pin shaft; the paper box corner folding device aims at overcoming the existing defects, the servo motor is directly driven, the structure is simple, a power source is an independent unit, and installation and debugging are convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to a paper box angle folding device. BACKGROUND

[0002] Now liquid food aseptic packaging has coiled material paper box and prefabricated sheet paper box, and the sheet paper box needs to pass through the processes such as opening and sealing to complete the aseptic packaging of liquid food, and in the sealing process, the paper box (the bottom) of one side needs to be sealed first, and then sterilization and filling operations are carried out.

[0003] Usually, the angle folding of the paper box (the bottom) is driven by the power transmitted by the main drive through multiple gear sets and pulley, and the structure is complex, and the installation and adjustment requirements are very high, and the angle adjustment deviation is easy to appear, and the folding mark cannot reach the ideal effect.

[0004] Therefore, a paper box angle folding device is proposed for the above problems. INNOVATION CONTENT

[0005] The utility model discloses a paper box angle folding device that overcomes the defects of the prior art, is directly driven by a servo motor, has a simple structure, and has an independent power source unit, and is convenient to install and adjust.

[0006] The technical scheme for realizing the above object is as follows: a paper box angle folding device, comprising a main shaft, a driving assembly, an angle folding claw assembly and an angle folding claw adjusting assembly.

[0007] One end of the main shaft is connected to the driving assembly; the angle folding claw assembly is connected to the main shaft; the angle folding claw adjusting assembly is arranged below the main shaft; and the lower end of the angle folding claw assembly is connected to the angle folding claw adjusting assembly.

[0008] Preferably, the middle part of the main shaft is square, and a through slot is formed in the middle part; and the angle folding claw assembly comprises four groups of angle folding claws and is connected to the through slot at equal distances.

[0009] Preferably, the angle folding claw assembly comprises two pre-folding finger mounting seats, each of the two pre-folding finger mounting seats is rotatably connected to the inner wall of the through slot through a pin shaft, each of the upper ends of the two pre-folding finger mounting seats is connected to a pre-folding finger, each of the lower ends of the two pre-folding finger mounting seats is movably connected to a roller ball, the opposite surfaces of the two pre-folding finger mounting seats are connected to a tension spring, and the two roller balls at the lower ends of the two pre-folding finger mounting seats are rollingly connected to the angle folding claw adjusting assembly.

[0010] Preferably, the angle folding claw adjusting assembly comprises a fixed plate and four semicircular adjusting blocks; the four semicircular adjusting blocks are connected to the fixed plate at equal distances, the four semicircular adjusting blocks are connected to the four groups of angle folding claws in correspondence, the two roller balls are rollingly connected to the two side walls of the semicircular adjusting block, and the width of one end of the semicircular adjusting block is greater than the width of the other end.

[0011] Preferably, the driving assembly comprises a motor and a speed reducer; the output end of the motor is connected with the speed reducer, and the output end of the speed reducer is connected with the main shaft.

[0012] Preferably, a plurality of stop blocks are connected with the main shaft, and each end of each group of the angle claw assemblies is connected with one stop block.

[0013] Preferably, a bearing seat is connected with one end of the main shaft away from the driving assembly.

[0014] The paper box angle folding device of the present application is used for pre-folding the paper box which has been heated at the bottom, and the pre-folding is performed during the process of transferring the paper box to the next station, so that the paper box can be pre-folded in the middle of the station, and the installation and debugging are facilitated, the action is less affected by external factors, the maintenance period is long, the cost is low, and the structure is simple. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is the axonometric view of the paper box angle folding device of the present application;

[0016] Figure 2 is another view of the paper box angle folding device of the present application;

[0017] Figure 3 is the schematic view of the paper box angle folding device of the present application during operation;

[0018] Figure 4 is the detail view of the paper box angle folding device of the present application during angle folding.

[0019] In the drawings: 1, main shaft; 2, through slot; 3, pre-folding finger mounting seat; 4, pin shaft; 5, pre-folding finger; 6, roller ball; 7, tension spring; 8, fixed plate; 9, semicircular adjusting block; 10, motor; 11, speed reducer; 12, stop block; 13, bearing seat. DETAILED DESCRIPTION

[0020] The technical scheme of the present application will be described clearly and completely in combination with the drawings. In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying the importance of the opposite.

[0021] The utility model discloses further illustrate below the drawing.

[0022] As Figures 1-4 The utility model discloses a paper box corner folding device, including main shaft 1, drive assembly, corner claw subassembly and corner claw subassembly, one end of main shaft 1 is connected drive assembly, and the corner claw subassembly is connected on main shaft 1, and the corner claw subassembly is arranged below main shaft 1, and the lower end of corner claw subassembly is connected corner claw subassembly.

[0023] Specifically, the middle part of main shaft 1 is square, and a through slot 2 is formed in the middle part, and four groups of corner claw subassemblies are connected equidistantly in the through slot 2. The four groups of corner claw subassemblies can simultaneously fold the corners of four paper boxes. A plurality of stop blocks 12 are connected to the main shaft 1, and each end of each group of corner claw subassemblies is connected to one stop block 12. A bearing seat 13 is connected to one end of the main shaft 1 away from the drive assembly.

[0024] Specifically, the corner claw subassembly includes two pre-folding finger mounting seats 3, and each pre-folding finger mounting seat 3 is rotatably connected to the inner wall of the through slot 2 by a pin shaft 4. One pre-folding finger 5 is connected to the upper end of each pre-folding finger mounting seat 3, and one roller ball 6 is movably connected to the lower end of each pre-folding finger mounting seat 3. A tension spring 7 is connected to the opposite faces of the two pre-folding finger mounting seats 3. The two roller balls 6 at the lower ends of the two pre-folding finger mounting seats 3 are rollingly connected to the corner claw subassembly.

[0025] Specifically, the corner claw subassembly includes a fixed plate 8 and four semicircular adjusting blocks 9. The four semicircular adjusting blocks 9 are connected equidistantly to the fixed plate 8, and the four semicircular adjusting blocks 9 are connected to the four groups of corner claw subassemblies correspondingly. The two roller balls 6 are rollingly connected to the two side walls of the semicircular adjusting block 9. The width of one end of the semicircular adjusting block 9 is greater than the width of the other end.

[0026] Specifically, the drive assembly includes a motor 10 and a speed reducer 11. The output end of the motor 10 is connected to the speed reducer 11, and the output end of the speed reducer 11 is connected to the main shaft 1.

[0027] Specifically, when the carton runs to the front of the corner claw assembly, the motor 10 drives the main shaft 1 to rotate forward, the main shaft 1 rotates to drive the internally connected corner claw assembly to rotate, in the rotating process, the two roller balls 6 at the lower end of the two pre-folding finger mounting seats 3 move from the narrow end of the width of the semicircular adjusting block 9 to the other end, so that the distance between the lower ends of the two pre-folding finger mounting seats 3 increases, so that the two pre-folding fingers 5 connected to the upper ends of the two pre-folding finger mounting seats 3 approach, and the two pre-folding fingers 5 approach to fold the corners of the carton; after the corner folding is completed, the motor 10 drives the main shaft 1 to reverse, so that the two roller balls 6 at the lower end of the two pre-folding finger mounting seats 3 move from the wide end of the width of the semicircular adjusting block 9 to the narrow end, the two roller balls 6 lose the pushing of the semicircular adjusting block 9, the extension spring 7 resets and shrinks, so that the lower ends of the two pre-folding finger mounting seats 3 approach, and the distance between the two pre-folding fingers 5 connected to the upper ends of the two pre-folding finger mounting seats 3 becomes far apart and opens; the above completes one corner folding action.

[0028] Specifically, there is a forming wheel device during overall operation, which mainly functions to transport the carton sleeved on the forming rod to each station, first through the activation heating device, the activation heating device occupies two stations in total, and the carton corner folding device moves during the rotation of the rotating rod of the bottom pressing device after the carton passes through the two stations of the activation heating device. The carton performs a pre-folding action during the rotation.

[0029] The carton corner folding device pre-folds the carton that has been bottom heated during the process of turning to the next station, realizes pre-folding of the carton in the middle of the station, is convenient for installation and debugging, is less affected by external factors, has a long maintenance period, is low in cost, and is simple in structure. The servo motor is directly driven, the power source is an independent unit, and installation and debugging are convenient.

[0030] The above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A carton corner folding device, characterized by, The utility model relates to a folding angle claw device, including main shaft (1), drive assembly, folding angle claw assembly and folding angle claw mobilization assembly. One end of the main shaft (1) is connected with the drive assembly; the folding angle claw assembly is connected on the main shaft (1), and the folding angle claw mobilization assembly is arranged below the main shaft (1), and the lower end of the folding angle claw assembly is connected with the folding angle claw mobilization assembly.

2. The carton corner folding device of claim 1, wherein The middle part of the main shaft (1) is square, and a through slot (2) is formed in the middle part; the folding angle claw assembly is four groups, and is connected equidistantly in the through slot (2).

3. The carton corner folding device of claim 2, wherein, The folding angle claw assembly includes two pre-folding finger mounting seats (3), and each of the two pre-folding finger mounting seats (3) is rotatably connected with the inner wall of the through slot (2) through a pin shaft (4); the upper end of each of the two pre-folding finger mounting seats (3) is connected with a pre-folding finger (5), and the lower end of each of the two pre-folding finger mounting seats (3) is movably connected with a roller ball (6); the opposite surfaces of the two pre-folding finger mounting seats (3) are connected with a tension spring (7); and the two roller balls (6) at the lower ends of the two pre-folding finger mounting seats (3) are rollingly connected with the folding angle claw mobilization assembly.

4. The carton corner folding device of claim 3, wherein, The folding angle claw mobilization assembly includes a fixed plate (8) and four semicircular mobilization blocks (9); the four semicircular mobilization blocks (9) are connected equidistantly on the fixed plate (8), and the four semicircular mobilization blocks (9) are connected with four groups of the folding angle claw assembly correspondingly; the two roller balls (6) are rollingly connected on the two side walls of the semicircular mobilization block (9); and the width of one end of the semicircular mobilization block (9) is greater than that of the other end.

5. The carton corner folding device of claim 1, wherein, The drive assembly includes a motor (10) and a speed reducer (11); the output end of the motor (10) is connected with the speed reducer (11), and the output end of the speed reducer (11) is connected with the main shaft (1).

6. The carton corner folding device of claim 2, wherein, A plurality of stop blocks (12) are connected on the main shaft (1), and each of the two ends of each group of the folding angle claw assembly is connected with one stop block (12).

7. The carton corner folder of claim 1 wherein, The end, away from the drive assembly, of the main shaft (1) is connected with a bearing seat (13).

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