Plastic bag heat sealing machine
By adopting structures such as electric heating seats, cylinders and separation plates in the plastic bag heat sealing machine, the adhesion problem that is prone to occur in the continuous sealing operation of the plastic bag heat sealing machine in the prior art is solved, and more efficient sealing processing is achieved.
Patent Information
- Application Number
- CN202422024638.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-21
- Publication Date
- 2025-06-20
- Estimated Expiration
- 2034-08-21
AI Technical Summary
In the continuous sealing operation of existing plastic bag heat sealers, some bag mouths are prone to stick to the equipment seal, resulting in interruption of feeding and requiring cleaning of the sticky part, which takes a long time and affects the sealing processing efficiency.
A plastic bag heat sealing machine is designed, using structures such as electric heating seats, cylinders, pressure plates and separation plates. The sealing part is heated through an electric heating strip, the bag mouth is closed with pressure, and the bag mouth is separated by spring rebound to avoid adhesion.
It effectively avoids adhesion between the plastic bag and the equipment seal, improves the sealing processing efficiency, and ensures the smooth progress of continuous feeding.
Smart Images
Figure CN223001836U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of heat sealers, in particular to a plastic bag heat sealer. Background Art
[0002] A plastic bag heat sealer is a device used to seal plastic bags, usually used in industries such as food packaging, pharmaceutical packaging, and cosmetic packaging. It closes the mouth of the plastic bag by heating the sealing part, preventing the internal items from leaking or getting damp, and keeping the product fresh and dry.
[0003] However, in the prior art, during the continuous sealing operation of plastic bags by existing plastic bag heat sealers, some bag mouths are prone to adhesion with the sealing part of the device, affecting the subsequent feeding of plastic bags, causing the continuous feeding to interrupt, and requiring cleaning of the adhered part, which takes a long time and affects the processing efficiency of plastic bag sealing. Summary of the Utility Model
[0004] The purpose of the utility model is to solve the problem that in the prior art, during the continuous sealing operation of plastic bags by existing plastic bag heat sealers, some bag mouths are prone to adhesion with the sealing part of the device, affecting the subsequent feeding of plastic bags, causing the continuous feeding to interrupt, and requiring cleaning of the adhered part, which takes a long time and affects the processing efficiency of plastic bag sealing, and to propose a plastic bag heat sealer.
[0005] To achieve the above purpose, the utility model adopts the following technical scheme: A plastic bag heat sealer includes an electric heating base. A support rod is fixedly connected to the top surface of the electric heating base. A pressing plate is movably connected to one side of the support rod. A pressing strip is movably connected to the bottom surface of the pressing plate. An electric heating strip is installed on the top surface of the electric heating base. A cylinder is installed on the top surface of the support rod. The telescopic rod of the cylinder is fixedly connected to the top surface of the pressing plate. A support plate is fixedly connected to one side of the electric heating base. A contraction groove is formed on the top surface of the support plate. A separation plate is movably connected to the inner wall of the contraction groove. A spring is fixedly connected between the bottom surface of the separation plate and the inner bottom surface of the contraction groove. A separation groove is formed on the outer wall of the electric heating strip.
[0006] Preferably, a guide groove is formed on the outer wall of the support rod. One end of the pressing plate is movably connected to the inner wall of the guide groove. A guide rod is fixedly connected between one end of the support rod and the bottom surface of the electric heating base. The other end of the pressing plate is movably sleeved on the outer wall of the guide rod.
[0007] Preferably, a sliding groove is formed through the outer wall of the support plate. A guide roller is arranged on one side of the sliding groove. The guide roller is rotatably connected to the top surface of the support plate.
[0008] Preferably, a guide plate is arranged above the sliding groove. There are two guide plates. Sliders are fixedly connected to the bottom surfaces of both guide plates.
[0009] Preferably, the slider is movably connected to the inner wall of the chute, and a locking bolt is threadedly connected to the outer wall of the slider.
[0010] Preferably, a limiting plate is movably connected to one side of the guide plate, an adjusting bolt is threadedly connected through the top surface of the guide plate, and the bottom end of the adjusting bolt is rotatably connected to the top surface of the limiting plate.
[0011] Preferably, a material receiving box is fixedly connected to the outer wall of the other side of the electric heating base, and a lifting groove is formed through the outer wall of the material receiving box.
[0012] Compared with the prior art, the advantages and positive effects of the present utility model are as follows:
[0013] 1. In the present utility model, by moving the plastic bag onto the electric heating strip, starting the air cylinder to press down the pressing plate, making the pressing strip tightly press against the surface of the electric heating strip, heating the sealing part through the electric heating strip, and cooperating with the pressure to seal the plastic bag. At the same time of sealing, the separation plate is compressed into the separation groove. After the sealing is completed, when the pressing strip is lifted, the plastic bag on the electric heating strip is lifted and separated by the spring back, thus effectively avoiding the occurrence of plastic bag adhesion and improving the sealing processing efficiency of the present utility model.
[0014] 2. In the present utility model, through the setting of the guide plate, the user can rotate the locking bolt to adjust the distance between the two guide plates, so as to adapt to the orderly feeding of plastic bags of different specifications. Cooperating with the height adjustment of the limiting plate, it guides the continuous feeding of plastic bags and improves the accuracy of the sealing position of plastic bags. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 is a three-dimensional structural schematic diagram of a plastic bag heat sealer proposed by the present utility model;
[0016] Figure 2 is a side view structural schematic diagram of a plastic bag heat sealer proposed by the present utility model;
[0017] Figure 3 is a plastic bag heat sealer proposed by the present utility model Figure 2 structural schematic diagram at position A;
[0018] Figure 4 is an internal structural schematic diagram of a plastic bag heat sealer proposed by the present utility model.
[0019] Legend: 1. Electric heating seat; 11. Electric heating strip; 12. Separation groove; 2. Support rod; 21. Guide groove; 22. Guide rod; 3. Cylinder; 4. Pressing plate; 41. Pressing strip; 5. Support plate; 51. Guide roller; 52. Slide groove; 53. Guide plate; 531. Adjusting bolt; 532. Limiting plate; 533. Slide block; 54. Locking bolt; 55. Shrinkage groove; 56. Separation plate; 57. Spring; 6. Material receiving box; 61. Lifting groove. Detailed implementation
[0020] In order to more clearly understand the above-mentioned objects, features and advantages of the present invention, the present invention will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, without conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.
[0021] In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways different from those described herein. Therefore, the present invention is not limited by the specific embodiments disclosed in the following specification.
[0022] Embodiment 1: As Figure 1 - Figure 4 shown, the present invention provides a plastic bag heat sealer, including an electric heating seat 1. A support rod 2 is fixedly connected to the top surface of the electric heating seat 1. A pressing plate 4 is movably connected to one side of the support rod 2. A pressing strip 41 is movably connected to the bottom surface of the pressing plate 4. An electric heating strip 11 is installed on the top surface of the electric heating seat 1. A cylinder 3 is installed on the top surface of the support rod 2. The telescopic rod of the cylinder 3 is fixedly connected to the top surface of the pressing plate 4. A support plate 5 is fixedly connected to one side of the electric heating seat 1. A shrinkage groove 55 is opened on the top surface of the support plate 5. A separation plate 56 is movably connected to the inner wall of the shrinkage groove 55. A spring 57 is fixedly connected between the bottom surface of the separation plate 56 and the inner bottom surface of the shrinkage groove 55. A separation groove 12 is opened on the outer wall of the electric heating strip 11.
[0023] The following specifically describes the specific settings and functions of this embodiment. By moving the plastic bag onto the electric heating strip 11 and starting the cylinder 3 to press down the pressing plate 4, the pressing strip 41 is pressed tightly against the surface of the electric heating strip 11. The sealing part is heated by the electric heating strip 11, and the plastic bag is sealed with the cooperation of pressure. At the same time of sealing, the separation plate 56 is compressed into the separation groove 12. After the sealing is completed, the pressing strip 41 is lifted, and the plastic bag on the electric heating strip 11 is lifted and separated by the rebound of the spring 57, thereby effectively avoiding the occurrence of plastic bag adhesion and improving the sealing processing efficiency of the present invention.
[0024] Embodiment 2: As Figure 1 - Figure 4As shown in the figure, a guide groove 21 is formed on the outer wall of the support rod 2. One end of the pressing plate 4 is movably connected to the inner wall of the guide groove 21. A guide rod 22 is fixedly connected between one end of the support rod 2 and the bottom surface of the electric heating base 1. The other end of the pressing plate 4 is movably sleeved on the outer wall of the guide rod 22. A chute 52 is formed through the outer wall of the support plate 5. A guide roller 51 is arranged on one side of the chute 52. The guide roller 51 is rotatably connected to the top surface of the support plate 5. A guide plate 53 is arranged above the chute 52. There are two guide plates 53. The bottom surfaces of the two guide plates 53 are fixedly connected with sliders 533. The sliders 533 are movably connected to the inner wall of the chute 52. A locking bolt 54 is threadedly connected to the outer wall of the slider 533. One side of the guide plate 53 is movably connected with a limiting plate 532. An adjusting bolt 531 is threadedly connected through the top surface of the guide plate 53. The bottom end of the adjusting bolt 531 is rotatably connected to the top surface of the limiting plate 532. A material receiving box 6 is fixedly connected to the outer wall of the other side of the electric heating base 1. A lifting groove 61 is formed through the outer wall of the material receiving box 6.
[0025] The effect achieved by the entire embodiment is that through the setting of the guide plate 53, the user can rotate the locking bolt 54 to adjust the distance between the two guide plates 53, so as to adapt to the orderly feeding of plastic bags of different specifications. With the height adjustment of the limiting plate 532, the continuous feeding of plastic bags is guided, improving the accuracy of the sealing position of plastic bags. Through the setting of the material receiving box 6, it is convenient for the present utility model to automatically collect the plastic bags after heat sealing. With the setting of the lifting groove 61, the user can conveniently take out the plastic bags collected in the material receiving box 6.
[0026] The usage method and working principle of this device: When in use, the user conveys the plastic bag to the electric heating strip 11 through the top surface of the support plate 5. By starting the air cylinder 3 to press down the pressing plate 4, the pressing strip 41 is pressed tightly against the surface of the electric heating strip 11. The sealing part is heated by the electric heating strip 11, and the plastic bag is sealed with the cooperation of pressure. At the same time of sealing, the separation plate 56 is compressed into the separation groove 12. After the sealing is completed, when the pressing strip 41 is lifted, the plastic bag on the electric heating strip 11 is lifted and separated by the rebound of the spring 57, effectively avoiding the situation of plastic bag adhesion. Through the setting of the guide plate 53, the user can rotate the locking bolt 54 to adjust the distance between the two guide plates 53, so as to adapt to the orderly feeding of plastic bags of different specifications. With the height adjustment of the limiting plate 532, the continuous feeding of plastic bags is guided. Through the setting of the material receiving box 6, it is convenient for the present utility model to automatically collect the plastic bags after heat sealing.
[0027] The above are only the preferred embodiments of the present utility model, and are not intended to limit the present utility model in other forms. Any person skilled in the relevant art may use the technical content disclosed above to make changes or modifications into equivalent embodiments with equivalent changes and apply them to other fields. However, any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the content of the technical solution of the present utility model still fall within the protection scope of the technical solution of the present utility model.
Claims
1. A plastic bag heat sealing machine, comprising an electric heating seat (1), characterized in that: The top surface of the electric heating seat (1) is fixedly connected to a support rod (2), one side of the support rod (2) is movably connected to a pressure plate (4), the bottom surface of the pressure plate (4) is movably connected to a pressure strip (41), the top surface of the electric heating seat (1) is installed with an electric heating strip (11), the top surface of the support rod (2) is installed with a cylinder (3), the telescopic rod of the cylinder (3) is fixedly connected to the top surface of the pressure plate (4), one side of the electric heating seat (1) is fixedly connected to a support plate (5), the top surface of the support plate (5) is provided with a contraction groove (55), the inner wall of the contraction groove (55) is movably connected to a separation plate (56), the bottom surface of the separation plate (56) and the inner bottom surface of the contraction groove (55) are fixedly connected with a spring (57), and the outer wall of the electric heating strip (11) is provided with a separation groove (12).
2. A plastic bag heat sealing machine according to claim 1, characterized in that: The outer wall of the support rod (2) is provided with a guide groove (21), one end of the pressing plate (4) is movably connected to the inner wall of the guide groove (21), a guide rod (22) is fixedly connected between one end of the support rod (2) and the bottom surface of the electric heating seat (1), and the other end of the pressing plate (4) is movably sleeved on the outer wall of the guide rod (22).
3. A plastic bag heat sealing machine according to claim 1, characterized in that: A slide groove (52) is provided through the outer wall of the support plate (5), a guide roller (51) is provided on one side of the slide groove (52), and the guide roller (51) is rotatably connected to the top surface of the support plate (5).
4. A plastic bag heat sealing machine according to claim 3, characterized in that: A guide plate (53) is provided above the slide groove (52), two guide plates (53) are provided, and the bottom surfaces of the two guide plates (53) are fixedly connected to a sliding block (533).
5. A plastic bag heat sealing machine according to claim 4, characterized in that: The slider (533) is movably connected to the inner wall of the slide groove (52), and the outer wall of the slider (533) is threadedly connected with a locking bolt (54).
6. A plastic bag heat sealing machine according to claim 5, characterized in that: One side of the guide plate (53) is movably connected to a limit plate (532); an adjusting bolt (531) is threadedly connected through the top surface of the guide plate (53); and the bottom end of the adjusting bolt (531) is rotatably connected to the top surface of the limit plate (532).
7. A plastic bag heat sealing machine according to claim 1, characterized in that: A material receiving box (6) is fixedly connected to the outer wall of the other side of the electric heating seat (1), and a lifting groove (61) is provided through the outer wall of the material receiving box (6).