Packaging box film sealing mechanism
By employing two sealing devices and a flipping mechanism in the packaging box sealing device, and by developing a flipping mechanism, the problems of poor sealing effect and poor versatility in the existing technology have been solved, achieving a sealing effect without dead angles and with universality.
Patent Information
- Application Number
- CN202423210682.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2034-12-25
AI Technical Summary
Existing packaging box sealing equipment has poor sealing effect, especially in that it cannot heat and deform the packaging film on the front and back sides, resulting in poor sealing effect and poor versatility, and cannot be adapted to different types of packaging boxes.
It employs two sealing mechanisms and a flipping mechanism. Heating is achieved through heating resistance wires and circulating heat using a fan, resulting in sealing without dead angles. At the same time, magnetic chucks and gear structures are used to allow the packaging box to enter the sealing mechanism at different angles. Combined with the conveyor chain and flipping mechanism, it ensures that the packaging box is heated evenly.
It achieves seamless sealing of packaging boxes, improves sealing quality and versatility, and can adapt to different types of packaging boxes, ensuring the consistency and integrity of the sealing effect.
Smart Images

Figure CN223508645U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of cosmetic packaging technology, specifically relating to a packaging box sealing mechanism. Background Technology
[0002] Women often use makeup to achieve a beautiful appearance and versatile looks. Cosmetics are typically packaged in boxes, and the outer packaging is sealed with a film. The current packaging process generally involves first wrapping the box with the film, then using a heat shrink oven to firmly adhere the film to the outside of the box. For example, a Chinese patent discloses a high-efficiency plastic seal testing device for packaging boxes (application number: 202210527364.X), which includes a support, an interception mechanism on the support, a release mechanism on the interception mechanism, a positioning mechanism on the interception mechanism, an air blowing mechanism on the positioning mechanism, and an auxiliary testing mechanism below the interception mechanism. In this invention, the interception mechanism blocks the plastic-sealed packaging box, facilitating subsequent testing. The positioning mechanism clamps and positions the packaging box, allowing the device to easily clamp and position boxes of different sizes. The air blowing mechanism and the auxiliary testing mechanism work together to spray inclined gas alternately onto the side walls of the packaging box, achieving the detection of the integrity and sealing of the plastic seal. The disadvantage of this structure is that this type of sealing mechanism generally has heating mechanisms on both sides and a heating mechanism on the top. It heats and seals the packaging box on both sides. After the packaging box enters, only the top and left and right side packaging films can be deformed, while the corresponding front and back side packaging films cannot be heated and deformed, resulting in poor sealing effect. In addition, this production line can only seal packaging boxes of a single model, which has poor versatility. Utility Model Content
[0003] The purpose of this invention is to provide a packaging box sealing mechanism to solve the problems existing in the background art.
[0004] To achieve the above objectives, this utility model provides the following technical solution: a packaging box sealing mechanism, comprising a worktable, a first sealing mechanism, a second sealing mechanism, a conveyor chain, and a packaging box support mechanism. A sprocket is installed at each of the four corners of the worktable, and the conveyor chain is wound around the four sprockets. One of the sprockets is driven by a motor. The first sealing mechanism and the second sealing mechanism are respectively located on both sides of the worktable. The conveyor chain passes through the first sealing mechanism and the second sealing mechanism, which are used to seal the packaging box. The packaging box support mechanism is installed on the conveyor chain to support the packaging box.
[0005] Preferably, the first sealing mechanism includes a sealing box, a heating pipe, a blower, and a fan. The blower is fixed to the bottom of the workbench, the fan is mounted on the blower, the outlet of the blower is connected to the side of the sealing box through the heating pipe, the sealing box is provided with a heating resistance wire, and the sealing box has openings on both sides. The structure of the second sealing mechanism is the same as that of the first sealing mechanism.
[0006] Preferably, the packaging box support mechanism includes a base, a support claw on the base, and a magnet at the bottom of the base that is attracted to the conveyor chain.
[0007] Preferably, the connection point of the conveyor chain is hinged with a gear via a pin, and the top of the gear is provided with a magnetic chuck, which cooperates with the magnet.
[0008] Preferably, the side of the worktable is provided with two flipping mechanisms. Each flipping mechanism includes a support base, a drive motor, a drive chain, a drive gear, two driven gears, and a guide plate. The support base is fixed on the worktable, the drive motor is mounted on the support base, the drive gear is mounted on the output end of the drive motor, the two driven gears are mounted on both sides of the support base, and the guide plate is mounted on the support base. The guide plate is close to the side of the conveyor chain, and the drive chain passes around the drive gear, the guide plate, and the two driven gears. The guide plate causes the conveyor chain to mesh with the gears, driving the gears to rotate.
[0009] The beneficial effects of this utility model are: This device adopts two sealing mechanisms, which can seal the packaging box without dead angles, thus improving product quality. At the same time, the flipping mechanism can make the packaging box rotate and enter the sealing mechanism at different angles, further improving the sealing quality. Attached Figure Description
[0010] Figure 1 This is a top view of the present invention;
[0011] Figure 2 This is the front view of the present invention;
[0012] Figure 3 This is a side view of the present invention;
[0013] Figure 4 This is a front view of the packaging box support mechanism in this utility model;
[0014] Figure 5 for Figure 4 Top view;
[0015] Figure 6 This is an enlarged view of the flipping mechanism in this utility model. Detailed Implementation
[0016] The specific embodiments of this utility model are described in detail below with reference to the accompanying drawings and preferred embodiments.
[0017] like Figure 1-5 As shown, a packaging box sealing mechanism includes a worktable 1, a first sealing mechanism 2, a second sealing mechanism 3, a conveyor chain 4, and a packaging box support mechanism 5. A sprocket 6 is installed at each of the four corners of the worktable. The conveyor chain is wound around the four sprockets, one of which is driven by a motor. The first and second sealing mechanisms are respectively located on both sides of the worktable. The conveyor chain passes through the first and second sealing mechanisms, which are used to seal the packaging box. The packaging box support mechanism is installed on the conveyor chain to support the packaging box. The principle of the two sealing mechanisms in this solution is the same as that of existing structures, both using heating to seal the film onto the packaging box. The difference is that this application uses a circulating structure and two sealing mechanisms, which can seal the packaging box without dead angles, resulting in a better sealing effect. Specifically, the first sealing mechanism includes a sealing box 21, a heating pipe 22, a blower box 23, and a fan 24. The blower box is fixed to the bottom of the workbench, and the fan is mounted on the blower box. The outlet of the blower box is connected to the side of the sealing box through the heating pipe. The sealing box contains heating resistance wires, and the sealing box has openings on both sides. The structure of the second sealing mechanism is the same as that of the first sealing mechanism. The bottom and both sides of the sealing box are equipped with heating resistance wires, and the fan blows air into the sealing box through the heating pipe to accelerate the internal heat circulation and improve the sealing quality.
[0018] Furthermore, to support the packaging box, the packaging box support mechanism includes a base 51 with support claws 52. A magnet is located at the bottom of the base, attracting the box to the conveyor chain. A gear 53 is hinged to the connection point of the conveyor chain via a pin. A magnetic chuck is located at the top of the gear, engaging with the magnet. The base can use either a magnetic chuck or a rod structure, with corresponding insertion holes on the gear. The purpose of the gear is to allow the packaging box support mechanism to rotate, enabling the packaging box to enter the two sealing mechanisms at different angles, ensuring even heating of the packaging box.
[0019] like Figure 6As shown, specifically, the side of the workbench is provided with two flipping mechanisms 7. Each flipping mechanism includes a support base 71, a drive motor 72, a drive chain 73, a driving gear 74, two driven gears 75, and a guide plate 76. The support base is fixed to the workbench, the drive motor is mounted on the support base, the driving gear is mounted on the output end of the drive motor, the two driven gears are mounted on both sides of the support base, and the guide plate is mounted on the support base, with the guide plate close to the side of the conveyor chain. The drive chain passes around the driving gear, the guide plate, and the two driven gears. The guide plate causes the conveyor chain to mesh with the gears, driving the gears to rotate. When the drive motor is working, it can drive the drive chain to rotate. The drive chain passes around the guide plate, and under the action of the guide plate, the drive chain meshes with the gears, thereby driving the gears to rotate, causing the packaging box support mechanism on the gears to rotate.
[0020] This device can manually place the packaging box with film on the packaging box support mechanism, or it can be removed by a robotic arm. It can also be done manually or by a robotic arm, or an automatic film-applying mechanism can be installed on this worktable. All of these are existing structures. The key feature of this device is the structure of two sealing mechanisms that circulate and transfer the sealing material, which can seal the packaging box without any dead angles.
[0021] It should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the principle of this utility model, and these improvements and modifications should also be considered within the scope of protection of this utility model.
Claims
1. A packaging box sealing mechanism, characterized in that... The device includes a workbench, a first sealing mechanism, a second sealing mechanism, a conveyor chain, and a packaging box support mechanism. A sprocket is installed at each of the four corners of the workbench, and the conveyor chain is wound around the four sprockets. One of the sprockets is driven by a motor. The first and second sealing mechanisms are respectively located on both sides of the workbench, and the conveyor chain passes through them. The first and second sealing mechanisms are used to seal the packaging box. The packaging box support mechanism is installed on the conveyor chain to support the packaging box.
2. The packaging box sealing mechanism according to claim 1, characterized in that: The first sealing mechanism includes a sealing box, heating pipes, a blower box, and a fan. The blower box is fixed to the bottom of the workbench, and the fan is mounted on the blower box. The outlet of the blower box is connected to the side of the sealing box through the heating pipes. The sealing box is equipped with a heating resistance wire, and the sealing box has openings on both sides. The structure of the second sealing mechanism is the same as that of the first sealing mechanism.
3. The packaging box sealing mechanism according to claim 1, characterized in that: The packaging box support mechanism includes a base, on which a support claw is provided, and at the bottom of the base a magnet that is attached to the conveyor chain.
4. The packaging box sealing mechanism according to claim 3, characterized in that: The connection point of the conveyor chain is hinged with a gear via a pin, and the top of the gear is provided with a magnetic chuck, which cooperates with the magnet.
5. The packaging box sealing mechanism according to claim 4, characterized in that: The workbench is provided with two flipping mechanisms on its side. Each flipping mechanism includes a support base, a drive motor, a drive chain, a drive gear, two driven gears, and a guide plate. The support base is fixed on the workbench. The drive motor is mounted on the support base. The drive gear is mounted on the output end of the drive motor. The two driven gears are mounted on both sides of the support base. The guide plate is mounted on the support base and is close to the side of the conveyor chain. The drive chain passes around the drive gear, the guide plate, and the two driven gears. The guide plate causes the conveyor chain to mesh with the gears, driving the gears to rotate.
Citation Information
Patent Citations
Packaging box efficient plastic package detection equipment
CN114918155A