A yogurt packaging film sealing and conveying material cutting and roll changing mechanism

Abstract

A yogurt packaging film conveying and roll-changing mechanism, relating to the field of packaging production technology, includes a frame, roller frame, first guide roller, movable shaft, shaft frame, slide rail seat, lead screw, slider, drive motor, and hot air box. The shaft frame is slidably mounted on the inner side of the slide rail seat. Mounting slots for the movable shaft are provided at both ends of the shaft frame. Packaging film is threaded onto the movable shaft. A frame is mounted above the shaft frame. The bottom of the frame is fixedly connected to the back plate of the slide rail seat. A roller frame is horizontally fixed on the inner bottom of the frame. One or more first guide rollers are rotatably mounted on the inner side of the roller frame. A hot air box is fixed above the end of the roller frame. Openings for the packaging film are provided on the upper and lower sides of the hot air box. This roll-changing mechanism facilitates film changing by operators, and the back of the changed packaging film is treated with hot air to prevent dust and other particles from adhering to the back of the packaging film and affecting packaging.

Description

Technical Field

[0001] This utility model relates to the field of packaging production technology, specifically to a yogurt packaging sealing film conveying and roll changing mechanism. Background Technology

[0002] Aseptic composite paper cartons are the main packaging boxes used in the dairy industry chain. These cartons are made of multi-layered composite materials, effectively blocking light, oxygen, and microorganisms, and have a shelf life of several months at room temperature, making them suitable for long-distance transport and room-temperature storage. The outside of the carton needs to be covered with a sealing film. Besides printing advertisements, the sealing film also serves to prevent damage during transportation, withstanding vibrations and impacts to protect the packaging integrity. The sealing film is in rolls; during use, the hollow paper tube of the roll needs to be threaded onto a shaft, and the film is dispensed by rotating the shaft. This equipment has the following problems during use: When the film is used up, it needs to be replaced with new packaging film. Because the hollow paper tube is located at the bottom of the equipment, the shaft is difficult to remove during replacement, affecting replacement efficiency. Secondly, the contact between the sealing film and the operator during replacement makes the back of the sealing film prone to dust accumulation, and the lack of subsequent processing steps for the back of the sealing film affects subsequent packaging. Utility Model Content

[0003] To address the shortcomings of existing technologies, this utility model provides a yogurt packaging sealing film conveying and rewinding mechanism. The rewinding mechanism facilitates the replacement of packaging films by operators, while the back of the replaced packaging film is treated with hot air to prevent dust and other particles from adhering to the back of the packaging film and affecting the packaging.

[0004] To achieve the above objectives, this utility model provides the following technical solution:

[0005] A yogurt packaging sealing film conveying and roll-changing mechanism includes a frame, a roller frame, a first guide roller, a movable shaft, a shaft bracket, a slide rail seat, a lead screw, a slider, a drive motor, and a hot air box. The shaft bracket is slidably mounted on the inner side of the slide rail seat. A slider is fixed to the bottom of the shaft bracket. A lead screw is rotatably mounted in the middle of the slide rail seat. The slider passes through the lead screw and moves along it. One end of the lead screw is connected to the drive end of the drive motor. Mounting slots for the movable shaft are provided at both ends of the shaft bracket. Packaging sealing film is mounted on the movable shaft. A frame is mounted above the shaft bracket. The bottom of the frame is fixedly connected to the back plate of the slide rail seat. A roller frame is horizontally fixed to the inner bottom of the frame. One or more first guide rollers are rotatably mounted on the inner side of the roller frame, and the packaging sealing film alternately passes through the surface of the first guide rollers. A hot air box is fixed above the end of the roller frame. Openings for the packaging sealing film to pass through are provided on the upper and lower sides of the hot air box.

[0006] Preferably, one end of the hot air box is connected to an air inlet pipe; the air outlet of the air inlet pipe blows air along one side of the back of the packaging seal film; and one end of the hot air box is connected to an air outlet pipe.

[0007] Preferably, an anti-deviation positioning plate is provided above the hot air box; the anti-deviation positioning plate is a bent plate; a notch for film dispensing is opened in the middle of the top of the anti-deviation positioning plate; positioning rods are fixed on both sides of the packaging sealing film on the inner wall of the anti-deviation positioning plate; the two sides of the packaging sealing film are located in the gap between the positioning rods and the anti-deviation positioning plate.

[0008] Preferably, a crossbeam is fixed on the frame; the anti-deviation positioning plate is fixedly connected to the crossbeam; and a second guide roller is fixed to the outside of the notch of the anti-deviation positioning plate.

[0009] Preferably, a mounting plate is fixed to the end of the roller frame, and a pressure plate is movably mounted above the mounting plate; cylinders are vertically fixed to both sides of the roller frame; the telescopic ends of the cylinders are connected to the pressure plate; a photoelectric switch is fixed to the middle of the mounting plate; and the packaging sealing film passes through the gap between the mounting plate and the pressure plate.

[0010] Preferably, a base for placing spare packaging film is fixed to the outer side of the first end of the slide rail seat.

[0011] The beneficial effects of this utility model are:

[0012] When the packaging seal is used up and disconnected, the photoelectric switch will not detect the packaging seal and will trigger the photoelectric switch to activate the cylinder. The pressure plate will clamp the seal to ensure that the rear seal is properly tensioned. The operator can control the motor to move the shaft frame outward and remove the shaft directly without being restricted by fasteners, which facilitates quick replacement. The back of the replaced packaging seal will be further processed in a hot air box. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 This is a schematic diagram of the overall connection relationship of this utility model.

[0015] Figure 2 This is a schematic diagram of the bottom connection relationship of this utility model.

[0016] Figure 3 This is a schematic diagram of the partial connection relationship of the shaft bracket in the outward displacement state of this utility model.

[0017] In the figure, there is a frame 1, a roller frame 2, a first guide roller 3, a movable shaft 4, a shaft frame 5, a mounting groove 5.1, a slide rail seat 6, a back plate 6.1, a lead screw 7, a slider 8, a drive motor 9, a hot air box 10, an opening 10.1, an air inlet pipe 11, an air outlet pipe 12, an anti-deviation positioning plate 13, a positioning rod 13.1, a second guide roller 14, a packaging sealing film 15, a mounting plate 16, a pressure plate 17, a cylinder 18, a photoelectric switch 19, and a base 20. Detailed Implementation

[0018] like Figure 1-3 As shown, to achieve the above objectives, this utility model employs the following technical solution:

[0019] A yogurt packaging film conveying and roll-changing mechanism is disclosed. The main improvements to this mechanism are to facilitate the replacement of the packaging film 15 and to pre-feed the packaging film 15. To facilitate the replacement of the packaging film 15, a slide rail seat 6 is installed on the ground. A shaft bracket 5 is slidably mounted on the inner side of the slide rail seat 6; a slider 8 is fixed to the bottom of the shaft bracket 5; a lead screw 7 is rotatably mounted in the middle of the slide rail seat 6; the slider 8 passes through the lead screw 7 and moves along the lead screw 7; one end of the lead screw 7 is connected to the drive end of a drive motor 9; the packaging film 15 is mounted on the movable shaft 4. This structure allows the position of the shaft bracket 5 to be changed, making its position easy to operate. Mounting slots 5.1 for placing the movable shaft 4 are opened at both ends of the shaft bracket 5; the mounting slots 5.1 are open, allowing operators to directly remove the movable shaft 4. A frame 1 is mounted above the shaft frame 5; the bottom of the frame 1 is fixedly connected to the back plate 6.1 of the slide rail seat 6; a roller frame 2 is horizontally fixed on the inner side of the bottom of the frame 1; one or more first guide rollers 3 are rotatably mounted on the inner side of the roller frame 2, and the packaging sealing film 15 alternately passes through the surface of the first guide roller 3.

[0020] like Figure 1-3 As shown, a hot air box 10 is fixed above the end of the roller frame 2; openings 10.1 for passing through the packaging sealing film 15 are provided on the upper and lower sides of the hot air box 10. One end of the hot air box 10 is connected to an air inlet pipe 11; the air outlet of the air inlet pipe 11 blows along one side of the back of the packaging sealing film 15; one end of the hot air box 10 is connected to an air outlet pipe 12. While removing impurities by blowing, the air outlet pipe 12 discharges the air containing particulate matter. An anti-deviation positioning plate 13 is also provided above the hot air box 10; the anti-deviation positioning plate 13 is a bent plate; a notch for film exit is opened in the middle of the top of the anti-deviation positioning plate 13; positioning rods 13.1 are fixed on the inner wall of the anti-deviation positioning plate 13 on both sides of the packaging sealing film 15; the two sides of the packaging sealing film 15 are located in the gap between the positioning rods 13.1 and the anti-deviation positioning plate 13. This ensures that the packaging sealing film 15 exits at an accurate position. A crossbeam is fixed on the frame 1; the anti-deviation positioning plate 13 is fixedly connected to the crossbeam; a second guide roller 14 is fixed on the outside of the notch of the anti-deviation positioning plate 13.

[0021] like Figure 1-3 As shown, further, a mounting plate 16 is fixed to the end of the roller frame 2, and a pressure plate 17 is movably mounted above the mounting plate 16; cylinders 18 are vertically fixed on both sides of the roller frame 2; the telescopic ends of the cylinders 18 are connected to the pressure plate 17; a photoelectric switch 19 is fixed in the middle of the mounting plate 16; the packaging sealing film 15 passes through the gap between the mounting plate 16 and the pressure plate 17. The photoelectric switch 19 is used to detect the packaging sealing film 15. Once the packaging sealing film 15 is used up, it will disconnect and leave the photoelectric detection area, triggering the photoelectric switch 19. The solenoid valve controls the cylinder 18 to operate, causing the pressure plate 17 to clamp the packaging sealing film 15. A base 20 for placing spare packaging sealing films 15 is fixed to the outer side of the first end of the slide rail seat 6. Unless otherwise described, the fixing methods are all welded or threaded using common techniques employed by industry professionals.

[0022] Workflow:

[0023] After the packaging sealing film 15 is used up, it will disconnect and detach from the photoelectric detection area, triggering the photoelectric switch 19. The solenoid valve controls the cylinder 18 to clamp the packaging sealing film 15 with the pressure plate 17, preventing tension issues at the rear end. The operator controls the drive motor 9 to move the shaft seat outward, remove the remaining hollow paper roll, reinstall a new packaging sealing film 15, and return it to its original position. The drive motor 9 then controls the shaft seat to reset. The new packaging sealing film 15 connector is then aligned and secured with the connector of the previous roll of packaging sealing film 15. The equipment is reset via the reset switch to continue film application.

[0024] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A yogurt packaging sealing film conveying and roll-changing mechanism, characterized in that: It includes a frame, a roller frame, a first guide roller, a movable shaft, a shaft frame, a slide rail seat, a lead screw, a slider, a drive motor, and a hot air box. The slide rail seat has a slidable shaft frame on its inner side. A slider is fixed to the bottom of the shaft frame. A lead screw is rotatably mounted in the middle of the slide rail seat. The slider passes through the lead screw and moves along it. One end of the lead screw is connected to the drive end of the drive motor. The shaft frame has mounting slots at both ends for placing the movable shaft. A packaging film is installed on the movable shaft. A frame is mounted above the shaft frame. The bottom of the frame is fixedly connected to the back plate of the slide rail seat. A roller frame is horizontally fixed to the inner bottom of the frame. One or more first guide rollers are rotatably mounted on the inner side of the roller frame, and the packaging film alternately passes through the surface of the first guide rollers. A hot air box is fixed above the end of the roller frame. The hot air box has openings on its upper and lower sides for the packaging film to pass through.

2. The yogurt packaging sealing film conveying and roll-changing mechanism according to claim 1, characterized in that: One end of the hot air box is connected to an air inlet pipe; the air outlet of the air inlet pipe blows air along one side of the back of the packaging seal film; one end of the hot air box is connected to an air outlet pipe.

3. The yogurt packaging sealing film conveying and roll changing mechanism according to claim 2, characterized in that: The hot air box is provided with an anti-deviation positioning plate above it; the anti-deviation positioning plate is a bent plate; a notch for film dispensing is opened in the middle of the top of the anti-deviation positioning plate; positioning rods are fixed on both sides of the packaging sealing film on the inner wall of the anti-deviation positioning plate; the two sides of the packaging sealing film are located in the gap between the positioning rods and the anti-deviation positioning plate.

4. The yogurt packaging sealing film conveying and roll changing mechanism according to claim 3, characterized in that: A crossbeam is fixed on the frame; the anti-deviation positioning plate is fixedly connected to the crossbeam; a second guide roller is fixed to the outside of the notch of the anti-deviation positioning plate.

5. The yogurt packaging sealing film conveying and roll changing mechanism according to claim 1, characterized in that: A mounting plate is fixed to the end of the roller frame, and a pressure plate is movably mounted above the mounting plate; cylinders are vertically fixed on both sides of the roller frame; the telescopic ends of the cylinders are connected to the pressure plates; a photoelectric switch is fixed in the middle of the mounting plate; and the packaging sealing film passes through the gap between the mounting plate and the pressure plate.

6. The yogurt packaging sealing film conveying and roll changing mechanism according to claim 1, characterized in that: A base for placing spare packaging film is fixed to the outer side of the first end of the slide rail seat.

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