Carton sealing auxiliary device for carton conveying line

Abstract

The utility model discloses a carton sealing auxiliary device for a carton conveying line, which comprises a carton sealing rack, a cover closing mechanism and a clamping mechanism, the cover closing mechanism and the clamping mechanism are arranged above the carton sealing rack, a conveying component for conveying a carton is arranged on the carton sealing rack, the cover closing mechanism comprises a mounting box, one end of the mounting box is provided with a connecting rod folding plate for covering the rear folding surface of the carton, and the other end of the mounting box is provided with a clamping mechanism. The connecting rod folded plate is rotationally connected to the mounting box through a first shaft pin; a driving piece is arranged in the mounting box, and the output end of the driving piece is hinged to the connecting rod folded plate through a second shaft pin; the pressing cover plate is used for covering the front folding surface of the carton, and is detachably arranged on the lower end surface of the mounting box through a connecting plate; folding rods used for covering the folding faces on the two sides of the carton are arranged on the two sides of the pressing cover plate. According to the structure, through detachable arrangement and height adjustable arrangement of the gland plate, the universality and the flexibility of the device are improved; and through cooperative work of the cover closing mechanism and the clamping mechanism, the accuracy and stability of box sealing are ensured, and the box sealing quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging, in particular to a carton sealing auxiliary device used in a carton conveying line. Background Art

[0002] Sealing is a critical step in the carton packaging process. Traditional sealing methods often rely on manual operations such as folding the carton lid, which is inefficient and labor-intensive. With the increasing adoption of automation technology in the packaging industry, the demand for devices that can efficiently and accurately assist in carton sealing is increasing. Some existing carton sealing equipment lacks flexibility and adaptability in lid closing operations, making it unable to meet the sealing needs of cartons of different sizes. Furthermore, the sealing process may damage the cartons, affecting packaging quality. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a carton sealing auxiliary device for a carton conveyor line, which can effectively close the lids of cartons, improve the sealing efficiency and quality, and adapt to the sealing needs of cartons of different sizes.

[0004] The technical solution of the utility model is: it includes a carton sealing frame and a closing mechanism and a clamping mechanism arranged above the carton sealing frame, the carton sealing frame is provided with a conveying assembly for conveying cartons, the closing mechanism includes an installation box, one end of the installation box is provided with a connecting rod folding plate for covering the rear folding surface of the carton, the connecting rod folding plate is rotatably connected to the installation box through a first axle pin; a driving member is provided in the installation box, the output end of the driving member is hingedly connected to the connecting rod folding plate through a second axle pin; it also includes a pressure cover plate for covering the front folding surface of the carton, the pressure cover plate is detachably arranged on the lower end surface of the installation box through a connecting plate; folding rods are provided on both sides of the pressure cover plate for covering the folding surfaces on both sides of the carton.

[0005] Furthermore: a travel groove extending in the vertical direction is provided on the connecting plate, and a fastener is passed through the travel groove. By adjusting the fastener at different positions in the travel groove, the height of the connecting plate and the pressure cover plate in the vertical direction can be adjusted.

[0006] Furthermore: the folding rod includes a connecting portion and a guide portion extending upward and obliquely outward toward the incoming side of the carton, the connecting portion and the guide portion are connected through a transition arc surface of the curved portion, and the lower end surface of the curved portion and the lower end surface of the pressure cover plate are at the same plane height.

[0007] Furthermore: the connecting part is installed through a mounting seat, the mounting seat is provided with a mounting hole for the connecting part to pass through, and a gap is provided on the mounting seat. The gap is adjusted by a screw to tighten the connecting part and adjust the connection position of the connecting part and the mounting hole to adjust the height of the curved part.

[0008] Furthermore: the clamping mechanism includes a clamping support frame and clamping rollers arranged on both sides of the clamping support frame, and the clamping rollers on both sides respectively roll in contact with the two side surfaces of the carton to form a clamp for the carton.

[0009] Furthermore: the distance between the clamping rollers on both sides and the curved portion is smaller than the length of the carton along the conveying direction.

[0010] Furthermore: a plurality of clamping rollers are provided on both sides, and the clamping rollers are evenly arranged on the clamping support frame along the conveying direction.

[0011] The beneficial technical effects of the present invention are as follows: the pressure cover plate can be detachably arranged through the connecting plate, and the position can be adjusted according to cartons of different sizes, so that the device can adapt to the sealing needs of cartons of various specifications, thereby improving the versatility and flexibility of the device; the folding rod is designed with a curved portion, and complete covering of the folding surfaces on both sides is completed with the cooperation of the guide portion, and the height of the curved portion can be adjusted with the cooperation of the connecting portion to adapt to the sealing needs of cartons of various specifications; the closing mechanism and the clamping mechanism work together, that is, the clamping mechanism fixes the upper parts of both sides of the carton, and cooperates with the curved portions of the folding rods on both sides to press the folding surfaces on both sides, thereby ensuring the accuracy and stability of the sealing, avoiding problems such as carton deformation and loose sealing caused by the rolling sealing process, and improving the sealing quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the lifting mechanism of the utility model;

[0014] Figure 3 This is a schematic diagram of the installation of the lid closing mechanism and the clamping mechanism of the utility model;

[0015] Figure 4 This is a schematic diagram of the specific structure of the lid closing mechanism of the utility model;

[0016] Among them: 1. Carton sealing frame; 11. Longitudinal beam; 2. Cover closing mechanism; 21. Mounting box; 22. Sliding folding plate; 221. Connecting plate; 222. Covering plate; 223. Travel groove; 23. Connecting rod folding plate; 24. First axle pin; 25. Second axle pin; 26. Folding rod; 261. Connecting part; 262. Guide part; 263. Bending part; 27. Mounting seat; 3. Clamping mechanism; 31. Clamping support frame; 32. Clamping roller; 4. Conveying assembly; 41. Conveyor belt; 42. Conveyor roller; 5. Lifting mechanism; 51. Lifting support frame; 52. Rotating rod; 53. Crossbeam; 54. Nut seat. DETAILED DESCRIPTION

[0017] In order to more clearly understand the technical means of the present invention and implement it according to the contents of the specification, the specific implementation methods of the present invention are further described in detail below in conjunction with the drawings and examples. The following examples are used to illustrate the present invention but are not used to limit the scope of the present invention.

[0018] like Figure 1 As shown, the utility model discloses a carton sealing auxiliary device for a carton conveyor line, comprising a carton sealing frame 1 and a lid closing mechanism 2 and a clamping mechanism 3 disposed above the carton sealing frame 1. The carton sealing frame 1 includes longitudinal beams 11 extending on both sides in the conveying direction. The carton sealing frame 1 is provided with a conveying assembly 4 for conveying cartons. The conveying assembly 4 includes two conveyor belts 41 disposed opposite each other, a conveying motor that drives the conveyor belts 41 to move the cartons in the conveying direction, and conveyor rollers 42 rotatably connected to the longitudinal beams 11 on both sides. The plurality of conveyor rollers 42 are arranged side by side in the conveying direction. During the movement of the carton in the conveying direction, the lower end surface of the carton rolls in contact with the conveyor rollers 42.

[0019] The lid closing mechanism 2 is lifted and lowered relative to the box sealing frame 1 by the lifting mechanism 5. Figure 2 , a lifting support frame 51 extending in the vertical direction is fixed on both sides of the carton sealing machine frame 1, and the lifting mechanism 5 includes a rotating rod 52 respectively arranged in the lifting support frame 51 on both sides, and a lifting motor that drives the rotating rods 52 on both sides to rotate in conjunction, and a nut seat 54 is provided on the rotating rods 52 on both sides. The closing mechanism 2 is connected to the nut seats 54 on both sides through a cross beam 53. Under the drive of the lifting motor, the rotating rod 52 rotates to drive the nut seat 54 and the closing mechanism 2 to move axially along the rotating rod 52 to realize the height adjustment of the closing mechanism 2.

[0020] The rotating rods 52 on both sides are connected by a synchronous belt transmission assembly. The synchronous belt assembly includes gears respectively arranged on the rotating rods 52 on both sides. The gears on both sides are connected by a synchronous belt transmission. The motor shaft of the lifting motor is connected to the rotating rod 52 on one side. When the lifting motor is driven, the synchronous rotation of the rotating rods 52 on both sides is completed through the synchronous belt transmission assembly.

[0021] like Figure 3The lid closing mechanism 2 includes an installation box 21, one end of which is connected to the crossbeam 53 and rises and falls with the crossbeam 53. The lower end surface of the installation box 21 is provided with a sliding flap 22 for closing the front fold of the carton. The end of the installation box 21 away from the crossbeam 53 is provided with a connecting rod flap 23 for closing the rear fold of the carton. The connecting rod flap 23 is rotatably connected to the installation box 21 via a first axle pin 24. A driving member is provided within the installation box 21, and the output end of the driving member is hingedly connected to the connecting rod flap 23 via a second axle pin 25. In this embodiment, the driving member is a pneumatic cylinder. As the cylinder output end extends and retracts, it drives the connecting rod flap 23 to swing around the first axle pin 24, thereby closing the rear fold of the carton.

[0022] Furthermore, the sliding folding plate 22 includes a detachable connecting plate 221 arranged on the lower end surface of the installation box 21 and a pressure cover plate 222 located at the bottom of the connecting plate 221. The pressure cover plate 222 is arc-shaped and upwardly tilted toward the incoming side of the carton to form a guide surface. During the movement of the carton along the guide surface, the front folding surface gradually folds to a horizontal state.

[0023] Specifically, such as Figure 4 The lower end surface of the mounting box 21 is provided with an extension plate extending toward the connecting plate 221. The connecting plate 221 is connected to the extension plate via fasteners. Furthermore, the connecting plate 221 is provided with a travel slot 223 extending in the vertical direction. By adjusting the fasteners at different positions in the travel slot 223, the vertical height of the connecting plate 221 and the cover pressing plate 222 can be adjusted. The lifting motor is used to adjust the overall height of the cover closing mechanism 2. The location of the travel slot 223 can be adjusted according to the size of the carton and actual needs to meet local height adjustment requirements, achieving higher precision and more personalized adjustments, and improving the adaptability of the device.

[0024] The crossbeam 53 is provided with folding rods 26 for covering the folding surfaces on both sides of the carton. The folding rods 26 on both sides are arranged on both sides of the cover pressing plate 222 at a set angle through the mounting seats 27.

[0025] Furthermore, the folding rod 26 includes a connecting portion 261 connected to the mounting seat 27 and a guide portion 262 extending upward and obliquely outward toward the incoming side of the carton. The connecting portion 261 and the guide portion 262 are connected by a transition arc surface of a bent portion 263, and the lower end surface of the bent portion 263 is at the same plane height as the lower end surface of the pressure cover plate 222.

[0026] Furthermore, the mounting seat 27 is provided with a mounting hole for the connecting portion 261 to pass through, and a gap is provided on the mounting seat. The gap is adjusted by screws to tighten the connecting portion 261. When the pressure cover plate 222 is height-adjusted by fasteners, the connection position of the connecting portion 261 and the mounting hole can be adjusted synchronously so that the lower end surface of the curved portion 263 and the lower end surface of the pressure cover plate 222 remain at the same plane height.

[0027] Driven by the conveying motor, the carton enters between the folding rods 26 on both sides along the conveying direction, and the folding surfaces on both sides of the carton gradually move toward the middle through the guidance of the guide parts 262 of the folding rods 26 on both sides; when the carton passes along the lower end surface of the curved part 263, the folding surfaces on both sides of the carton are completely covered, and under the continuous pressure of the lower end surface of the curved part 263, the folding surfaces on both sides of the carton are kept continuously covered until they are sealed.

[0028] The clamping mechanism 3 includes a clamping support frame 31 and clamping rollers 32 disposed on either side of the clamping support frame 31. The clamping rollers 32 on either side roll in contact with the sides of the carton, clamping the carton during the sealing process. The curved portion 263 continuously presses the folded surfaces of the carton, ensuring that the carton remains stable during the rolling and sealing process without any deformation.

[0029] Furthermore, a plurality of clamping rollers 32 are provided on both sides, and the plurality of clamping rollers 32 are evenly arranged on the clamping support frame 31 along the conveying direction to ensure more stable clamping.

[0030] When in use, the carton moves from the incoming material end along the conveying direction and enters the lid closing mechanism 2. The lid closing mechanism 2 moves axially along the rotating rod 52 under the drive of the lifting motor until the pressing cover plate 222 is pressed against the upper end surface of the carton after the lid is closed, and then the fasteners are adjusted to different positions in the stroke groove 223 to complete further precision adjustment. During the continuous movement of the carton, the pressing cover plate 222 pushes the front folding surface of the carton to close. At the same time, the periodic telescopic movement of the cylinder output end pushes the connecting rod folding plate 23 to swing, so as to The rear folding surface of the carton is covered, and then the guide parts 262 of the folding rods 26 on both sides gradually cover the folding surfaces on both sides of the carton until the carton moves under the curved part 263 of the folding rod 26. The curved part 263 is pressed to achieve complete covering and maintenance of the folding surfaces on both sides of the carton. After covering, the front end of the carton enters the sealing station and rolls with the clamping rollers 32 on both sides. The tape rolling and sealing operation is completed under the firm clamping of the clamping rollers 32 on both sides and the pressing of the curved part 263 on the folding surfaces on both sides of the carton.

[0031] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that ordinary technicians in this technical field can make several improvements and modifications without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A carton sealing auxiliary device for a carton conveyor line, comprising a carton sealing frame (1) and a lid closing mechanism (2) and a clamping mechanism (3) arranged above the carton sealing frame (1), wherein a conveying assembly (4) for conveying cartons is provided on the carton sealing frame (1), and characterized in that: The cover closing mechanism (2) comprises an installation box (21), one end of which is provided with a connecting rod folding plate (23) for covering the rear folding surface of the carton, and the connecting rod folding plate (23) is rotatably connected to the installation box (21) through a first shaft pin (24); a driving member is provided in the installation box (21), and the output end of the driving member is hingedly connected to the connecting rod folding plate (23) through a second shaft pin (25); and the cover closing mechanism (2) further comprises a pressure cover plate (222) for covering the front folding surface of the carton, and the pressure cover plate (222) is detachably arranged on the lower end surface of the installation box (21) through a connecting plate (221); and folding rods (26) for covering the folding surfaces on both sides of the carton are provided on both sides of the pressure cover plate (222).

2. The carton sealing auxiliary device for a carton conveyor line according to claim 1, characterized in that: The connecting plate (221) is provided with a travel groove (223) extending in the vertical direction, and a fastener is inserted into the travel groove (223). By adjusting the fastener to different positions in the travel groove (223), the height of the connecting plate (221) and the pressure cover plate (222) in the vertical direction can be adjusted.

3. The carton sealing auxiliary device for a carton conveyor line according to claim 1, characterized in that: The folding rod (26) includes a connecting portion (261) and a guiding portion (262) extending upward and obliquely outward toward the incoming side of the carton. The connecting portion (261) and the guiding portion (262) are connected via a transition arc surface of a curved portion (263). The lower end surface of the curved portion (263) and the lower end surface of the pressure cover plate (222) are located at the same plane height.

4. The carton sealing auxiliary device for a carton conveyor line according to claim 3, characterized in that: The connecting portion (261) is installed through a mounting seat (27). The mounting seat (27) is provided with a mounting hole for the connecting portion (261) to pass through. A gap is provided on the mounting seat. The gap is adjusted by screws to tighten the connecting portion (261) and to adjust the connection position between the connecting portion (261) and the mounting hole to adjust the height of the curved portion (263).

5. The carton sealing auxiliary device for a carton conveyor line according to claim 1, characterized in that: The clamping mechanism (3) comprises a clamping support frame (31) and clamping rollers (32) arranged on both sides of the clamping support frame (31), wherein the clamping rollers (32) on both sides respectively roll in contact with the two side surfaces of the carton to clamp the carton.

6. The carton sealing auxiliary device for a carton conveyor line according to claim 5, characterized in that: The distance between the clamping rollers (32) on both sides and the curved portion (263) is smaller than the length of the carton along the conveying direction.

7. The carton sealing auxiliary device for a carton conveyor line according to claim 5, characterized in that: A plurality of clamping rollers (32) are provided on both sides, and the plurality of clamping rollers (32) are evenly arranged on the clamping support frame (31) along the conveying direction.

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