Cover folding mechanism of carton sealing machine

Abstract

The utility model discloses a cover folding mechanism of a carton sealing machine. The cover folding mechanism comprises a workbench, an upper cover folding assembly and a lower limiting assembly. A portal frame is arranged in the middle of the workbench, a first air cylinder is arranged at the upper end of the portal frame, an inverted-U-shaped mounting frame is arranged at the telescopic end of the first air cylinder, and an air inlet of the first air cylinder is externally connected with an external air pump; the upper cover folding assembly comprises rounded corner grooves, second air cylinders, rotating rods, connecting rods and side edge cover folding rollers, the rounded corner grooves are formed in the front side of the left side face and the front side of the right side face of the inverted-U-shaped mounting frame correspondingly, the second air cylinders are rotationally connected into the rounded corner grooves through rotating shafts correspondingly, and the telescopic ends of the two second air cylinders are rotationally connected with the connecting rods; the lower ends of the connecting rods are fixedly connected with roller frames, the interiors of the roller frames are rotationally connected with side edge cover folding rollers, the rear ends of the roller frames are fixedly connected with rotating rods, and the cover folding mechanism of the box sealing machine can conduct cover folding operation on box bodies of different sizes.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging, in particular to a cover folding mechanism of a carton sealing machine. Background Art

[0002] The carton sealing machine is mainly used for carton sealing and packaging. It can be used as a single machine or in conjunction with an assembly line. However, the cover of the carton needs to be folded before sealing.

[0003] Most of the existing folding cover mechanisms are fixed, and the folding cover mechanism blocks the front cover by the folding front cover arm during the carton moving process to complete the folding of the front cover, and the folding rear cover arm rotates and pushes the rear cover to complete the folding of the rear cover, and then the folding side cover plates on both sides are turned over to complete the folding of the side covers;

[0004] However, this type of cover folding mechanism has some problems. For example, the folding side covers on both sides are fixed, and the compatibility is not very high when facing boxes of different sizes. Therefore, we propose a cover folding mechanism for a carton sealing machine. Utility Model Content

[0005] The technical problem to be solved by the utility model is to overcome the existing defects and provide a cover folding mechanism of a carton sealing machine, which can perform cover folding operations on boxes of different sizes and can effectively solve the problems in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cover folding mechanism of a carton sealing machine, comprising a workbench, an upper cover folding assembly and a lower limit assembly;

[0007] Workbench: a gantry is provided in the middle, a first cylinder is provided at the upper end of the gantry, an inverted U-shaped mounting frame is provided at the telescopic end of the first cylinder, and an external air pump is connected to the air inlet of the first cylinder;

[0008] Upper folding cover assembly: it includes a rounded corner groove, a second cylinder, a rotating rod, a connecting rod and a side folding cover roller. The rounded corner groove is respectively opened on the left front side and the right front side of the inverted U-shaped mounting frame. The inside of the rounded corner groove is rotatably connected to the second cylinder through a rotating shaft. The telescopic ends of the two second cylinders are rotatably connected to the connecting rod. The lower ends of the connecting rods are fixedly connected to the roller frame. The inside of the roller frame is rotatably connected to the side folding cover roller. The rear end of the roller frame is fixedly connected to the rotating rod. The upper ends of the two rotating rods are fixedly connected to the upper inner wall of the inverted U-shaped mounting frame. The two second cylinders are externally connected to an external air pump.

[0009] Lower limit assembly: It is set inside the workbench and can perform folding operations on boxes of different sizes.

[0010] Furthermore, the upper folding cover assembly also includes a middle swivel seat, a third cylinder, a lower swivel seat and a front folding cover frame. The middle swivel seat is fixedly connected to the front side of the upper surface of the inverted U-shaped mounting frame, the interior of the middle swivel seat is rotatably connected to the third cylinder, the telescopic end of the third cylinder is fixedly connected to the front folding cover frame, the front side surface of the inverted U-shaped mounting frame is provided with a lower swivel seat, the interior of the lower swivel seat is rotatably connected to the middle rear side of the front folding cover frame through a rotating shaft, and the air inlet of the third cylinder is externally connected to an external air pump to realize the function of the front folding cover.

[0011] Furthermore, it also includes a rear rounded corner folding cover plate, which is fixedly connected to the rear side of the upper inner wall of the inverted U-shaped mounting frame to achieve the function of the rear folding cover.

[0012] Furthermore, it also includes a single-chip microcomputer, which is arranged on the left front side of the workbench, and the input end of the single-chip microcomputer is electrically connected to an external power supply to control the normal operation of the electrical appliance.

[0013] Furthermore, it also includes material guide rollers, which are evenly arranged between the left and right inner walls of the workbench to achieve the function of feeding materials.

[0014] Furthermore, the lower limit assembly includes a limit rod, a limit seat, a bidirectional screw rod, a sliding seat, a motor and a belt-type clamping conveyor. The limit rod is symmetrically arranged front and back between the left and right inner walls of the workbench. The outer arc surfaces of the two limit rods are symmetrically slidably connected to the limit seats left and right. The upper ends of every two limit seats adjacent to each other in the longitudinal position are fixedly connected to a belt-type clamping conveyor. A bidirectional screw rod is rotatably connected to the middle part between the left and right inner walls of the workbench. The outer threaded surface of the bidirectional screw rod is threadedly connected to a left and right symmetrical sliding seat. The upper ends of the two sliding seats are fixedly connected to the lower end of the belt-type clamping conveyor located on the same side. The left side surface of the workbench is fixedly connected to the motor. The output shaft of the motor is fixedly connected to the left end of the bidirectional screw rod. The input ends of the motor and the belt-type clamping conveyor are respectively electrically connected to the output ends of the single-chip microcomputer to realize the function of limiting the position of the box.

[0015] Furthermore, it also includes supporting feet, which are evenly arranged at the four corners of the bottom surface of the workbench to achieve the supporting function.

[0016] Compared with the prior art, the beneficial effects of the utility model are: the cover folding mechanism of the carton sealing machine has the following advantages:

[0017] 1. When the carton sealing machine is needed, the single chip microcomputer can be adjusted according to the specifications of the external carton, and then the motor operation can be adjusted. The output shaft of the motor rotates forward and reversely, thereby driving the bidirectional screw to rotate forward and reversely, thereby driving the two sliding seats to move relatively away from or closer to each other, thereby driving the two belt-type clamping conveyors to move relatively away from or closer to each other, and then adjusting the two belt-type clamping conveyors to the specified position to ensure that the box can move stably.

[0018] 2. Before folding the cover, the external air pump is regulated, the first cylinder is operated, and the telescopic end of the first cylinder is extended and retracted, thereby driving the inverted U-shaped mounting frame to move to the specified position. At this time, the external air pump can be regulated, and the two second cylinders are operated at the same time. The telescopic ends of the second cylinders are extended and retracted at the same time, thereby driving the roller frame to rotate and adjust with the rotating rod as the axis, and the two side folding rollers are adjusted to the specified position. At this time, the single-chip microcomputer can be regulated, and the two belt-type clamping conveyors are operated. At this time, the box to be folded is manually placed between the two belt-type clamping conveyors for transmission. When it moves to the specified position, the rear rounded corner will fold the cover plate of the box body in the rear direction. During this period, the external air pump is regulated, the third cylinder is operated, and the telescopic end of the third cylinder is extended and retracted once, thereby driving the front folding frame to rotate downward once, folding the cover plate of the box body in the forward direction, and the cover plates on both sides of the box body will be gradually folded by the side folding rollers. The cover plate on both sides of the box body is completed, and the cover plate folding operation can be performed on boxes of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the upper folding cover assembly of the utility model;

[0021] Figure 3 It is a schematic diagram of the local structure of the utility model.

[0022] In the figure: 1 workbench, 2 gantry, 3 first cylinder, 4 inverted U-shaped mounting frame, 5 upper folding cover assembly, 51 rounded groove, 52 second cylinder, 53 rotating rod, 54 connecting rod, 55 side folding cover roller, 56 middle rotating seat, 57 third cylinder, 58 lower rotating seat, 59 front folding cover frame, 6 single chip microcomputer, 7 lower limit assembly, 71 limit rod, 72 limit seat, 73 bidirectional screw rod, 74 sliding seat, 75 motor, 76 belt clamping conveyor, 8 guide roller, 9 support foot. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-3 , this embodiment provides a technical solution: a cover folding mechanism of a carton sealing machine, comprising a workbench 1, an upper cover folding assembly 5 and a lower limit assembly 7;

[0025] Workbench 1: a gantry 2 is provided in the middle thereof, a first cylinder 3 is provided at the upper end of the gantry 2, an inverted U-shaped mounting frame 4 is provided at the telescopic end of the first cylinder 3, an air inlet of the first cylinder 3 is externally connected to an external air pump, and also includes a single-chip microcomputer 6, which is arranged on the left front side of the workbench 1, and an input end of the single-chip microcomputer 6 is electrically connected to an external power supply, and also includes a material guide roller 8, which is evenly arranged between the left and right inner walls of the workbench 1, and also includes a support leg 9, which is evenly arranged at the four corners of the bottom surface of the workbench 1;

[0026] The upper folding cover assembly 5 includes a rounded groove 51, a second cylinder 52, a rotating rod 53, a connecting rod 54 and a side folding cover roller 55. The rounded groove 51 is respectively arranged on the left front side and the right front side of the inverted U-shaped mounting frame 4. The inside of the rounded groove 51 is rotatably connected to the second cylinder 52 through a rotating shaft. The telescopic ends of the two second cylinders 52 are rotatably connected to the connecting rod 54. The lower ends of the connecting rods 54 are fixedly connected to the roller frame. The inside of the roller frame is rotatably connected to the side folding cover roller 55. The rear end of the roller frame is fixedly connected to the rotating rod 53. The upper ends of the two rotating rods 53 are fixedly connected to the upper inner wall of the inverted U-shaped mounting frame 4. The two second cylinders 52 are externally connected to an external air pump. The upper folding cover assembly 5 also includes a middle rotating seat 56, a third cylinder 57, a lower rotating seat 58 and a front folding cover frame 59. The middle rotating seat 56 is fixedly connected to the front side of the upper surface of the inverted U-shaped mounting frame 4. The inner rotation of the upper rotating seat 56 is connected to the third cylinder 57, and the telescopic end of the third cylinder 57 is fixedly connected to the front folding cover frame 59. The front side of the inverted U-shaped mounting frame 4 is provided with a lower rotating seat 58, and the interior of the lower rotating seat 58 is rotatably connected to the middle rear side of the front folding cover frame 59 through a rotating shaft. The air inlet of the third cylinder 57 is connected to the external air pump, and also includes a rear rounded corner folding cover plate, which is fixedly connected to the rear side of the upper inner wall of the inverted U-shaped mounting frame 4. At this time, the external air pump can be used, the first cylinder 3 is operated, and the telescopic end of the first cylinder 3 is extended and retracted, thereby driving the inverted U-shaped mounting frame 4 to move to the specified position. At this time, the external air pump can be regulated, and the two second cylinders 52 are operated at the same time, and the telescopic ends of the second cylinders 52 are extended and retracted at the same time, thereby driving the roller frame to rotate and adjust with the rotating rod 53 as the axis, and adjust the two side folding cover rollers 55 to the specified position;

[0027] Lower limit assembly 7: It is arranged inside the workbench 1. The lower limit assembly 7 includes a limit rod 71, a limit seat 72, a bidirectional screw rod 73, a sliding seat 74, a motor 75 and a belt-type clamping conveyor 76. The limit rod 71 is symmetrically arranged between the left and right inner walls of the workbench 1. The outer arc surfaces of the two limit rods 71 ​​are symmetrically slidably connected to the limit seat 72. The upper ends of each two longitudinally adjacent limit seats 72 are fixedly connected to a belt-type clamping conveyor 76. The middle part between the left and right inner walls of the workbench 1 is rotatably connected with a bidirectional screw rod 73. The bidirectional screw rod The outer thread surface of 73 is threadedly connected with a sliding seat 74 that is symmetrical on both sides. The upper ends of the two sliding seats 74 are fixedly connected to the lower ends of the belt-type clamping conveyor 76 located on the same side. The left side of the workbench 1 is fixedly connected with a motor 75. The output shaft of the motor 75 is fixedly connected to the left end of the bidirectional screw rod 73. The input ends of the motor 75 and the belt-type clamping conveyor 76 are respectively electrically connected to the output end of the single-chip computer 6. The belt-type clamping conveyor 76 is two vertical electric conveyor belts installed separately. The conveying surface of the belt-type clamping conveyor 76 protrudes and contacts the outer surface of the box body. , use two conveying surfaces to clamp the box body for displacement operation and stand it up. When the carton sealing machine is needed, the single-chip microcomputer 6 can be adjusted according to the specifications of the external carton, and then the motor 75 can be adjusted to operate. The output shaft of the motor 75 rotates forward and reversely, thereby driving the two-way screw rod 73 to rotate forward and reversely, thereby driving the two sliding seats 74 to move relatively away from or close to each other, thereby driving the two belt-type clamping conveyors 76 to move relatively away from or close to each other, and then adjusting the two belt-type clamping conveyors 76 to the specified position. At this time, the single-chip microcomputer 6 can be adjusted. The two belt-type clamping conveyors 76 are in operation. At this time, the box to be folded is manually placed between the two belt-type clamping conveyors 76 for transmission. When it moves to the specified position, the rounded corner on the rear side will fold the cover plate of the box body facing backward. During this period, the external air pump is regulated and the third cylinder 57 is operated. The telescopic end of the third cylinder 57 performs a telescopic operation, thereby driving the front folding frame 59 to perform a reciprocating rotation downward to fold the cover plate of the box body facing forward, and the cover plates on both sides of the box body will be gradually folded by the side folding rollers 55 to complete the folding operation.

[0028] The working principle of the folding mechanism of a carton sealing machine provided by the utility model is as follows: when the carton sealing machine is needed, the single-chip microcomputer 6 can be adjusted according to the specifications of the external carton, and then the motor 75 can be adjusted to operate, the output shaft of the motor 75 rotates forward and reversely, and then drives the bidirectional screw rod 73 to rotate forward and reversely, and then drives the two sliding seats 74 to do relatively moving away and approaching operations, and then drives the two belt-type clamping conveyors 76 to do relatively moving away and approaching operations, and then adjusts the two belt-type clamping conveyors 76 to the specified position, at this time, the external air pump, the first cylinder 3 is operated, the telescopic end of the first cylinder 3 is extended and retracted, and then drives the inverted U-shaped mounting frame 4 to move to the specified position, at this time, the external air pump can be regulated, the two second cylinders 52 are operated at the same time, the telescopic ends of the second cylinders 52 are extended and retracted at the same time, and then drives the roller frame to rotate with the rotating rod 53 as the axis. Adjust, adjust the two side folding rollers 55 to the specified position, then the single chip computer 6 can be regulated, and the two belt-type clamping conveyors 76 are in operation. Each belt-type clamping conveyor 76 is two vertical electric conveyor belts installed separately, and the conveying surface of the belt-type clamping conveyor 76 protrudes and contacts the outer surface of the box body, and the two conveying surfaces are used to clamp the box body for displacement operation. At this time, the box to be folded is manually placed between the two belt-type clamping conveyors 76 for transmission. When it moves to the specified position, the rear rounded corner will fold the cover plate of the box body facing backward. During this period, the external air pump is regulated, and the third cylinder 57 is operated. The telescopic end of the third cylinder 57 is extended and retracted once, thereby driving the front folding frame 59 to rotate back and forth downward once, folding the cover plate of the box body facing forward, and the cover plates on both sides of the box body will be gradually folded by the side folding rollers 55 to complete the folding operation.

[0029] It is worth noting that the single chip microcomputer 6 disclosed in the above embodiment is specifically model S7-200, and the first cylinder 3, the second cylinder 52, the third cylinder 57, the motor 75 and the belt-type clamping conveyor 76 can be freely configured according to the actual application scenario. It is recommended to use the DNC series cylinder for the first cylinder 3, the MA series stainless steel mini cylinder for the second cylinder 52, the SMC series cylinder for the third cylinder 57, the PMM80 integrated low-voltage servo motor for the motor 75, and the SLCV-L700 model clamping conveyor for the belt-type clamping conveyor 76. The single chip microcomputer 6 controls the motor 75 and the belt-type clamping conveyor 76 using methods commonly used in the prior art.

[0030] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A cover folding mechanism for a carton sealing machine, characterized in that: It comprises a workbench (1), an upper folding cover assembly (5) and a lower limit assembly (7); A workbench (1): a gantry (2) is provided in the middle thereof, a first cylinder (3) is provided at the upper end of the gantry (2), an inverted U-shaped mounting frame (4) is provided at the telescopic end of the first cylinder (3), and an air inlet of the first cylinder (3) is connected to an external air pump; The upper cover folding assembly (5) comprises a rounded corner groove (51), a second cylinder (52), a rotating rod (53), a connecting rod (54) and a side cover folding roller (55). The rounded corner groove (51) is respectively arranged on the left front side and the right front side of the inverted U-shaped mounting frame (4). The inside of the rounded corner groove (51) is rotatably connected to the second cylinder (52) via a rotating shaft. The telescopic ends of the two second cylinders (52) are rotatably connected to the connecting rod (54). The lower ends of the connecting rods (54) are fixedly connected to a roller frame. The inside of the roller frame is rotatably connected to the side cover folding roller (55). The rear end of the roller frame is fixedly connected to the rotating rod (53). The upper ends of the two rotating rods (53) are fixedly connected to the upper inner wall of the inverted U-shaped mounting frame (4). The two second cylinders (52) are externally connected to an external air pump. Lower limit assembly (7): it is arranged inside the workbench (1).

2. The cover folding mechanism of a carton sealing machine according to claim 1, characterized in that: The upper folding cover assembly (5) further comprises a middle rotating seat (56), a third cylinder (57), a lower rotating seat (58) and a front folding cover frame (59); the middle rotating seat (56) is fixedly connected to the front side of the upper surface of the inverted U-shaped mounting frame (4); the interior of the middle rotating seat (56) is rotatably connected to the third cylinder (57); the telescopic end of the third cylinder (57) is fixedly connected to the front folding cover frame (59); a lower rotating seat (58) is arranged on the front side of the inverted U-shaped mounting frame (4); the interior of the lower rotating seat (58) is rotatably connected to the middle rear side of the front folding cover frame (59) via a rotating shaft; and the air inlet of the third cylinder (57) is externally connected to an external air pump.

3. The cover folding mechanism of a carton sealing machine according to claim 1, characterized in that: It also comprises a rear rounded corner folding cover plate, which is fixedly connected to the rear side of the upper inner wall of the inverted U-shaped mounting frame (4).

4. The cover folding mechanism of a carton sealing machine according to claim 1, characterized in that: It also includes a single-chip microcomputer (6), which is arranged on the front side of the left side of the workbench (1), and the input end of the single-chip microcomputer (6) is electrically connected to an external power supply.

5. The cover folding mechanism of a carton sealing machine according to claim 1, characterized in that: It also comprises a material guide roller (8), wherein the material guide roller (8) is evenly arranged between the left and right inner walls of the workbench (1).

6. The cover folding mechanism of a carton sealing machine according to claim 4, characterized in that: The lower limit assembly (7) comprises a limit rod (71), a limit seat (72), a bidirectional screw rod (73), a sliding seat (74), a motor (75) and a belt-type clamping conveyor (76); the limit rod (71) is symmetrically arranged between the left and right inner walls of the workbench (1); the outer arc surfaces of the two limit rods (71) are symmetrically slidably connected to the limit seats (72) in the left and right directions; the upper ends of each two longitudinally adjacent limit seats (72) are fixedly connected to a belt-type clamping conveyor (76); the left and right inner walls of the workbench (1) are symmetrically arranged between the left and right inner walls of the workbench (1); A bidirectional screw rod (73) is rotatably connected in the middle, and the external thread surface of the bidirectional screw rod (73) is threadedly connected to a left-right symmetrical sliding seat (74), and the upper ends of the two sliding seats (74) are fixedly connected to the lower ends of a belt-type clamping conveyor (76) located on the same side. A motor (75) is fixedly connected to the left side of the workbench (1), and the output shaft of the motor (75) is fixedly connected to the left end of the bidirectional screw rod (73), and the input ends of the motor (75) and the belt-type clamping conveyor (76) are respectively electrically connected to the output end of the single-chip computer (6).

7. The cover folding mechanism of a carton sealing machine according to claim 1, characterized in that: It also includes supporting feet (9), which are evenly arranged at the four corners of the bottom surface of the workbench (1).

Images