Carton folding mechanism and apparatus

Abstract

The utility model relates to carton manufacturing device technical field, concretely relates to a kind of carton folding mechanism and equipment, including strip seat, front baffle fixed in the lower of strip seat, tail part rotationally connected in the upper of strip seat cylinder, connecting block, rear push rod, two symmetrical side stop lever set in the lower of strip seat;Connecting block one end and cylinder telescopic end rotationally connected, the other end and strip seat end portion rotationally connected;Rear push rod one end and connecting block fixed connection, the other end extends to the lower end of strip seat;The free end of side stop lever extends to the both sides of front baffle upwards and outward;The utility model is in use by the cooperation of front baffle and rear push rod, ensures the accurate folding of carton front and rear flange, the design of side stop lever effectively guides the correct folding path of carton two sides flange, ensures the neat closure of carton four peripheral edges, improves production efficiency, improves product quality.

Description

TECHNICAL FIELD

[0001] The utility model relates to carton manufacturing device technical field, concretely relates to a carton folding mechanism and equipment. BACKGROUND

[0002] In the modern packaging industry, as a widely used packaging material, the production and processing efficiency of cartons directly affects the cost and efficiency of the entire supply chain. Carton sealing is one of the important links in the packaging process. The traditional manual sealing method not only consumes time and effort, but also is prone to unstable sealing quality problems, especially when facing mass production demands, manual operation is difficult to meet the requirements of high efficiency; In recent years, some automatic carton sealing devices have appeared on the market, but these devices can only handle cartons of specific sizes or types. When encountering cartons of different heights or widths, frequent adjustment of device parameters or even replacement of different devices is required, which greatly limits the versatility and flexibility of the device. SUMMARY

[0003] I. Technical problems to be solved

[0004] The utility model aims at providing a carton folding mechanism and equipment, which can quickly and accurately fold cartons, and the sealing quality is stable; and can adapt to cartons of different specifications.

[0005] II. Technical scheme

[0006] The utility model realizes through the following technical scheme:

[0007] The utility model provides a carton folding mechanism, which comprises:

[0008] A strip seat;

[0009] A front baffle fixed below the strip seat;

[0010] A cylinder rotatably connected to the upper part of the strip seat;

[0011] A connecting block, one end of the connecting block being rotatably connected with the telescopic end of the cylinder, and the other end being rotatably connected with the end part of the strip seat;

[0012] A rear push rod, one end of the rear push rod being fixedly connected with the connecting block, and the other end extending to the lower end of the strip seat;

[0013] Two symmetrical side stop rods arranged below the strip seat, the free ends of the side stop rods extending upwards and outwards to the two sides of the front baffle.

[0014] According to the embodiment of the utility model, the L-shaped plate is fixedly connected below the strip seat, the side stop rod comprises a straight rod section and a short rod section which is formed by bending the end of the straight rod section, a fixing seat is fixedly connected on the L-shaped plate, a bushing is formed on the surface of the fixing seat and a break is formed on one side of the fixing seat, a threaded hole which penetrates through the break is formed on one side of the fixing seat, the short rod section is plug-in connected with the bushing, and the side stop rod is fixed by screwing a bolt in the threaded hole.

[0015] According to the embodiment of the utility model, the side stop rod further comprises a curved rod section which is fixed below the straight rod section away from the free end of the straight rod section, the curved rod section is inwardly curved and the lowest end thereof is not higher than the lowest part of the front stop sheet.

[0016] According to the embodiment of the utility model, the rear push rod comprises a triangular rod and a horizontal push rod which is fixed at the lower end of the triangular rod, and the horizontal push rod is perpendicular to the feeding direction of the carton.

[0017] According to the embodiment of the utility model, the front stop sheet comprises a horizontal stop sheet section and a curved stop sheet section which is formed by smoothly bending the horizontal stop sheet section upward from the side edge close to the rear push rod.

[0018] According to another aspect of the utility model, a carton folding device is provided, which comprises a carton folding mechanism and a conveying belt for conveying cartons, the conveying belt limits the linear conveying of the bottom of the carton, and the carton folding mechanism folds the flaps around the opening at the upper end of the carton.

[0019] The utility model further comprises a lifting frame, the carton folding mechanism is fixedly connected to the middle part of the lifting frame, and the distance between the surface of the conveying belt and the lowest part of the front stop sheet is slightly greater than the height of the folded prefabricated carton.

[0020] III. Advantages

[0021] Compared with the prior art, the utility model has the following advantages:

[0022] The utility model ensures the accurate folding of the front and rear flaps of the carton by the cooperation of the front stop sheet and the rear push rod, the design of the side stop rod effectively guides the correct folding path of the flaps on both sides of the carton, ensures the neat closing of the edges around the carton, improves the production efficiency and product quality, and adjusts the height of the carton folding mechanism by setting the lifting frame, changes the width between the free ends of the side stop rods by setting the side stop rods which can be rotationally adjusted, and thus the carton of different heights and widths can be folded. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is a schematic view of the three-dimensional structure of the carton folding mechanism;

[0024] Figure 2 is Figure 1 a local enlarged view of part A in Fig.

[0025] Figure 3 is a structural diagram of a side stop lever;

[0026] Figure 4 is a structural diagram of a carton folding device;

[0027] Figure 5 is Figure 4 a front view;

[0028] Figure 6 is Figure 4 a top view;

[0029] 1, strip seat; 2, front stop piece; 201, horizontal stop piece segment; 202, curved stop piece segment; 3, air cylinder; 4, connecting block; 5, rear push rod; 501, triangular rod; 502, horizontal push rod; 6, side stop lever; 601, straight rod segment; 602, short rod segment; 603, curved rod segment; 7, L-shaped plate; 8, fixed seat; 801, insertion hole; 802, break; 803, threaded hole; 9, conveying belt; 10, lifting frame. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0031] The utility model provides a kind of carton folding equipment, please refer to Figures 4-6 It includes carton folding mechanism, lifting frame 10 and conveying carton conveying belt 9, wherein, conveying belt 9 limits carton bottom linear conveying, carton folding mechanism folds the four around flanging of carton upper end opening, to thereby seal carton. Among them, carton folding mechanism is fixedly connected in the middle of lifting frame 10, lifting frame 10 is placed on conveying belt 9, the height of carton folding mechanism is adjusted by lifting frame 10, so that the equipment is suitable for the carton of different height to be turned over and flanged and sealed.

[0032] Among them, Figures 1-3 The structure of a kind of carton folding mechanism is shown in wherein, strip seat 1 is fixed with front stop piece 2 below, strip seat 1 is provided with air cylinder 3, the tail of air cylinder 3 is rotatably connected above strip seat 1, the telescopic end of air cylinder 3 is rotatably connected to one end of a connecting block 4, the other end of connecting block 4 is rotatably connected with the end of strip seat 1;It also includes rear push rod 5 and two symmetrical side stop levers arranged below strip seat 1, one end of rear push rod 5 is fixedly connected with connecting block 4, the other end extends to the lower end of strip seat 1;The free end of side stop lever 6 extends to the both sides of front stop piece 2 upward and outward.

[0033] When the flaps on the front side of the carton contact the front stop piece 2, the cylinder 3 is extended, the connecting block 4 drives the rear push rod 5 to rotate, the rear push rod 5 folds the flaps on the rear side of the carton inward, meanwhile, the carton continues to move, the front stop piece 2 folds the flaps on the front side of the carton inward, meanwhile, when the carton moves forward, the flaps on the two sides of the carton are gradually folded inward and downward and are covered on the flaps on the front side and the rear side of the carton, so that the flaps on the four sides of the upper end opening of the carton are completely covered, automatic and rapid folding of the flaps is realized, and the subsequent process of sealing the carton is facilitated.

[0034] As an embodiment of the utility model, the L-shaped plate 7 is fixedly connected below the strip seat 1, the side stop rod 6 comprises a straight rod section 601 and a short rod section 602 which is formed by bending the end of the straight rod section 601, the L-shaped plate 7 is fixedly connected with the fixed seat 8, the fixed seat 8 is provided with an insertion hole 801 on the surface and is provided with a break 802 on one side, the fixed seat 8 is provided with a threaded hole 803 which penetrates through the break 802 on one side, the short rod section 602 is connected with the insertion hole 801 in a plug-in manner, the threaded hole 803 is screwed with a bolt, when the bolt is loosened, the side stop rod can be rotated, when the bolt is tightened, the side stop rod 6 is fixed, so that the folding of cartons with different widths can be adapted.

[0035] In addition, the side stop rod 6 further comprises a curved rod section 603 which is fixed below the straight rod section 601 away from the free end of the straight rod section 601, the curved rod section 603 is inwardly curved and the lowest end thereof is not higher than the lowest part of the front stop piece 2, the curved rod section 603 smoothly transitions the folding process of the flaps on the two sides of the carton and ensures accurate folding of the carton.

[0036] The rear push rod 5 comprises a triangular rod 501 and a horizontal push rod 502 which is fixed at the lower end of the triangular rod 501, the horizontal push rod 502 is perpendicular to the feeding direction of the carton, the triangular rod 501 improves stability, and the horizontal push rod 502 is in close contact with the flaps on the rear side of the carton during folding.

[0037] The distance between the surface of the conveying belt 9 and the lowest part of the front stop piece 2 is slightly greater than the height of the folded carton; the front stop piece 2 comprises a horizontal stop piece section 201 and a curved stop piece section 202 which is smoothly curved upward from the side of the horizontal stop piece section 201 close to the rear push rod 5; during the conveying process of the carton, the curved stop piece section 202 smoothly contacts the front flaps of the carton until the flaps are covered, and the horizontal stop piece section 201 presses the covered flaps of the carton, so that the carton is in a covered state after being conveyed; the carton is conveyed between the surface of the conveying belt 9 and the lowest part (the horizontal stop piece section 201) of the front stop piece 2, the height of the carton folding mechanism is adjusted by the lifting frame 10, so that the folding of cartons with different heights can be adapted.

[0038] The above-described embodiments are merely preferred embodiments of the present application, and are not intended to limit the design concept and scope of the present application. Without departing from the design concept of the present application, various modifications and improvements to the technical solutions of the present application made by those of ordinary skill in the art shall fall within the protection scope of the present application, and the technical content of the present application claimed for protection has been entirely recorded in the claims.

Claims

1. A carton folding mechanism, characterized by, The utility model relates to a paper box folding mechanism, which comprises the following parts: a strip seat; a front baffle fixed below the strip seat; a cylinder rotatably connected to the upper part of the strip seat; a connecting block, one end of which is rotatably connected to the telescopic end of the cylinder and the other end of which is rotatably connected to the end of the strip seat; a rear push rod, one end of which is fixedly connected to the connecting block and the other end of which extends to the lower end of the strip seat; two symmetrical side stop rods arranged below the strip seat, the free ends of which extend upwards and outwards to the two sides of the front baffle.

2. A carton folding mechanism according to claim 1, wherein, An L-shaped plate is fixedly connected below the strip seat, the side stop rod comprises a straight rod segment and a short rod segment formed by bending the end of the straight rod segment, a fixing seat is fixedly connected to the L-shaped plate, a through hole is formed in the surface of the fixing seat and a break is formed in one side of the fixing seat, a screw hole is formed in one side of the fixing seat and penetrates through the break, the short rod segment is plug-connected with the through hole, and a bolt is screw-connected with the screw hole to fix the side stop rod.

3. A carton folding mechanism according to claim 2, wherein, The side stop rod further comprises a curved rod segment fixed below the straight rod segment away from the free end of the straight rod segment, the curved rod segment is inwardly curved and the lowest end of the curved rod segment is not higher than the lowest part of the front baffle.

4. A carton folding mechanism according to claim 1, wherein, The rear push rod comprises a triangular rod and a horizontal push rod fixed to the lower end of the triangular rod, and the horizontal push rod is perpendicular to the feeding direction of the paper box.

5. A carton folding mechanism according to claim 1 wherein, The front baffle comprises a horizontal baffle segment and a curved baffle segment formed by smoothly bending the horizontal baffle segment upwards near the side of the horizontal baffle segment close to the rear push rod.

6. A carton folding apparatus characterized by, The utility model further comprises a conveying belt for conveying the paper box, the conveying belt limits the linear conveying of the bottom of the paper box, and the paper box folding mechanism folds the flaps around the upper opening of the paper box.

7. A carton folding apparatus according to claim 6, wherein, The utility model further comprises a lifting frame, the middle part of the lifting frame is fixedly connected with the paper box folding mechanism, and the distance between the surface of the conveying belt and the lowest part of the front baffle is slightly greater than the height of the folded paper box.

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