A sealing assembly of a chopstick packaging machine

Abstract

The utility model discloses a kind of sealing assembly of chopstick packaging machine, including first movable plate and second movable plate, relative sealing structure is provided on first movable plate and second movable plate, sealing structure includes first pressing plate, second pressing plate and third pressing plate, first pressing plate, second pressing plate and third pressing plate are connected with first movable plate or second movable plate respectively by elastic member, cutting knife is arranged between the first pressing plate and second pressing plate of first movable plate, punch pin is arranged between the second pressing plate and third pressing plate of first movable plate, first pressing block and second pressing block in the sealing assembly of this chopstick packaging machine can form the hot melt press-fit sealing of chopstick packaging bag, cutting knife is used to cut off separation to packaging bag after sealing, realize the separation of packaging bag after sealing, punch pin can set up vent hole on packaging bag after sealing, vent hole is used for packaging bag ventilation, avoid too many packaging bag internal gas influence placement and transfer.

Description

Technical Field

[0001] This utility model relates to the technical field of bamboo chopstick packaging equipment, and in particular to a sealing component for a chopstick packaging machine. Background Technology

[0002] Currently, bamboo chopsticks are typically packaged in plastic bags, grouping multiple single or double chopsticks together to meet the needs of the catering industry or home use. Packaging machines stack multiple chopsticks and feed them into wrapping paper, which then seals and cuts the bundle. However, after sealing, some of these bags retain a significant amount of air, causing the packaging to expand. This not only increases the space required for transportation and storage but also makes the bags prone to deformation and slippage during stacking or handling, affecting logistics efficiency and stability. Utility Model Content

[0003] This invention addresses the issue in existing technologies where residual air inside the packaging bag after sealing affects the transport of chopsticks. It proposes a sealing component for a chopstick packaging machine that punches holes in the packaging bag after sealing, thus preventing the adverse effects of internal gas.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] A sealing assembly for a chopsticks packaging machine includes a support base and a first movable plate and a second movable plate mounted on the support base. Hot-melt pressure plates are respectively disposed on the first and second movable plates in opposing positions. A sealing structure is disposed on the first and second movable plates, the sealing structure including a first pressure plate, a second pressure plate, and a third pressure plate. The first, second, and third pressure plates are respectively connected to the first movable plate via elastic elements. The second pressure plate is located between the first and third pressure plates. Hot-melt heating elements are disposed inside the first and second pressure plates. A cutting blade is disposed between the first and second pressure plates of the first movable plate; a punching pin is disposed between the second and third pressure plates of the first movable plate; a support plate for supporting the cutting blade is disposed between the first and second pressure plates of the second movable plate; and a support column for supporting the punching pin is disposed between the second and third pressure plates of the second movable plate.

[0006] Preferably, the top of the support plate is provided with a first groove corresponding to the position of the cutting blade.

[0007] Preferably, the support column and the punch are coaxially arranged, and the top of the support column is provided with a second groove corresponding to the position of the punch.

[0008] Preferably, the length of the third pressure plate is less than the length of the second movable plate and the second pressure plate.

[0009] Preferably, the elastic element includes a housing, a sliding block, and a connecting rod. The sliding block is located inside the housing and is slidably connected to the housing. A spring is provided between the first end of the sliding block and the housing. The connecting rod is fixedly connected to the second end of the sliding block and extends out of the housing.

[0010] Preferably, the first movable plate and the second movable plate are slidably connected to the support base in the vertical direction.

[0011] Preferably, the first movable plate is connected to the upper crossbeam of the support base via a first functional cylinder, and the second movable plate is connected to the lower crossbeam of the support base via a second functional cylinder, with the axes of the first and second functional cylinders being vertically aligned.

[0012] Preferably, the two sides of the support base are provided with sliding grooves, the two sides of the first movable plate are fixedly connected with first sliders that match the sliding grooves, and the two sides of the second movable plate are fixedly connected with second sliders that match the sliding grooves.

[0013] Preferably, ribs are also provided on both sides of the support base.

[0014] The beneficial effects of this utility model are as follows: the first and second pressing blocks in the sealing assembly of this chopsticks packaging machine can form a heat-melt compression seal for the chopsticks packaging bag. A cutting blade is provided between the first and second pressing blocks to cut and separate the packaging bag after sealing, thereby achieving separation of the packaging bag after sealing. The sealing assembly of the chopsticks packaging machine is also provided with a punching pin, which can open a vent hole on the packaging bag after sealing. The vent hole is used for the packaging bag to breathe, avoiding too much gas inside the packaging bag from affecting placement and transportation. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the sealing assembly of this chopsticks packaging machine;

[0016] Figure 2 This is a schematic diagram of the sealing component of this chopsticks packaging machine from the side.

[0017] Figure 3 This is a schematic diagram of the second movable plate of the sealing assembly of this chopsticks packaging machine;

[0018] Figure 4 This is a schematic diagram of the elastic component of the sealing assembly of this chopsticks packaging machine;

[0019] Figure 5 This is a schematic diagram of the sealing process of the sealing component of this chopsticks packaging machine.

[0020] In the diagram: 1. Support base; 2. First movable plate; 3. Second movable plate; 4. First pressure plate; 5. Cutting knife; 6. Second pressure plate; 7. Drilling nail; 8. Third pressure plate; 9. First elastic element; 10. Second elastic element; 11. Third elastic element; 12. Support plate; 13. Support column; 14. Bamboo chopstick set; 15. First packaging bag; 16. Second packaging bag; 17. Vent hole;

[0021] 101. Upper crossbeam; 102. Lower crossbeam; 103. Rib plate; 104. Slide groove; 21. First functional cylinder; 22. First slider; 31. Second functional cylinder; 32. Second slider; 81. Housing; 82. Sliding block; 83. Spring; 84. Connecting rod; 121. First groove; 131. Second groove; 151. First seal; 161. Second seal. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0023] Reference Figure 1-3 A sealing assembly for a chopsticks packaging machine includes a support base 1, on which a first movable plate 2 and a second movable plate 3 are mounted. An upper crossbeam 101 and a lower crossbeam 102 are provided on the support base 1, and the first movable plate 2 and the second movable plate 3 are both located between the upper crossbeam 101 and the lower crossbeam 102.

[0024] Specifically, the support base 1 has sliding grooves 104 on both sides, which extend vertically. First sliders 22 are fixedly connected to both sides of the first movable plate 2, and these sliders 22 match the sliding grooves 104. The first movable plate 2 can move vertically along the sliding grooves 104. The first movable plate 2 is connected to the upper crossbeam 101 of the support base 1 via a first functional cylinder 21. The axis of the first functional cylinder 21 is vertically set, and the first functional cylinder 21 is used to drive the first movable plate 2 to move vertically.

[0025] Furthermore, second sliders 32 are fixedly connected to both sides of the second movable plate 3, and the second sliders 32 also match the slide groove 104, allowing the second movable plate 3 to move vertically along the slide groove 104. The second movable plate 3 is connected to the lower crossbeam 102 of the support base 1 via a second functional cylinder 31. The axis of the second functional cylinder 31 is vertically set, and the second functional cylinder 31 is used to drive the second movable plate 3 to move vertically.

[0026] The first movable plate 2 and the second movable plate 3 are arranged opposite to each other. The first movable plate 2 is provided with a first sealing structure, and the second movable plate 3 is provided with a second sealing structure. The first sealing structure and the second sealing structure are identical in structure and are arranged opposite to each other.

[0027] The first sealing structure includes a first pressure plate 4, a second pressure plate 6, and a third pressure plate 8, with the second pressure plate 6 located between the first pressure plate 4 and the third pressure plate 8. The first pressure plate 4 and the second pressure plate 6 are internally equipped with heat-melting heating elements, which are electric heating wires that generate heat when energized, thus giving the first pressure plate 4 and the second pressure plate 6 a temperature sufficient to heat-melt the packaging bag. The first pressure plate 4 and the second pressure plate 6 can achieve heat-melting sealing of the packaging bag through pressing. The third pressure plate 8 is a standard pressure block, used only to hold the packaging bag in place. In this embodiment, the length of the third pressure plate 8 is less than the lengths of both the second movable plate 3 and the second pressure plate 6.

[0028] The first pressure plate 4, the second pressure plate 6, and the third pressure plate 8 are respectively connected to the first movable plate 2 via elastic elements. Specifically, the first pressure plate 4 is connected to the first movable plate 2 via the first elastic element 9, the second pressure plate 6 is connected to the first movable plate 2 via the second elastic element 10, and the third pressure plate 8 is connected to the first movable plate 2 via the third elastic element 11.

[0029] refer to Figure 4 In this embodiment, the elastic element includes a housing 81, a sliding block 82, and a connecting rod 84. The sliding block 82 is located inside the housing 81 and is slidably connected to the housing 81. A spring 83 is provided between the first end of the sliding block 82 and the housing 81. The first end of the connecting rod 84 is fixedly connected to the second end of the sliding block 82, and the second end of the connecting rod 84 extends out of the housing 81. The housing 81 is fixedly connected to the first movable plate 2, and the second end of the connecting rod 84 is used to connect to the first pressure plate 4, the second pressure plate 6, or the third pressure plate 8. The spring 83 is in an extended state to maintain the extended state of the connecting rod 84.

[0030] The second movable plate 3 is also provided with a first pressure plate 4, a second pressure plate 6, and a third pressure plate 8 corresponding to the positions of the first movable plate 2. The first movable plate 2 and the second movable plate 3 can be brought close to each other to form two first pressure plates 4, two second pressure plates 6, and two third pressure plates 8 in contact, thereby achieving pressing.

[0031] Furthermore, a cutting blade 5 is fixedly mounted on the first movable plate 2, located between the first pressure plate 4 and the second pressure plate 6. A support plate 12 is mounted on the second movable plate 3, located between the first pressure plate 4 and the second pressure plate 6. The support plate 12 is positioned opposite the cutting blade 5, and a first groove 121 corresponding to the position of the cutting blade 5 is provided on the top of the support plate 12. The first groove 121 is used to accommodate the cutting edge of the cutting blade 5. The support plate 12 supports the cutting blade 5, and the packaging paper is cut between the support plate 12 and the cutting blade 5.

[0032] When the first movable plate 2 and the second movable plate 3 are pressed together, a first seal 151 is formed between the two first pressure plates 4, and a second seal 161 is formed between the two second pressure plates 6. The cutting knife 5 is used to cut the packaging paper between the first seal 151 and the second seal 161 to achieve separation between the two seals.

[0033] Furthermore, a perforating nail 7 is fixedly installed on the first movable plate 2, located between the second pressure plate 6 and the third pressure plate 8. A support column 13 is installed on the second movable plate 3, located between the second pressure plate 6 and the third pressure plate 8. The support column 13 is positioned opposite to the perforating nail 7 and is coaxially arranged with the perforating nail 7. The top of the support column 13 has a second groove 131 corresponding to the position of the perforating nail 7, which is used to accommodate the perforating nail 7. The support column 13 supports the perforating nail 7, and the packaging paper is perforated between the support column 13 and the perforating nail 7.

[0034] When the first movable plate 2 and the second movable plate 3 are pressed together, a second seal 161 is formed between the two second pressure plates 6. The two third pressure plates 8 press down the second packaging bag 16. The punching nail 7 is used to punch holes between the second pressure plates 6 and the third pressure plates 8, forming two ventilation holes 17 on the second packaging bag 16. The ventilation holes 17 are used for ventilation between the inside and the outer wall of the second packaging bag 16. The ventilation holes 17 are used to allow the second packaging bag 16 to breathe, preventing too much gas inside the packaging bag from causing a large volume, which helps to maintain a suitable volume of the packaging bag and facilitates the placement and transportation of the packaging bag.

[0035] When the first movable plate 2 and the second movable plate 3 are pressed together, the two first pressure plates 4, the two second pressure plates 6 and the two third pressure plates 8 first contact and press together because the spring 83 supports the connecting rod 84. The cutting knife 5 and the punching nail 7 then perform the cutting and punching work after pressing.

[0036] In this embodiment, ribs 103 are also provided on both sides of the support base 1. The ribs 103 are used to enhance the structural strength of the support base 1.

[0037] The sealing component in this embodiment is used for sealing after back sealing in an automatic packaging machine. The specific working process is as follows:

[0038] The initial state of the two first pressure plates 4, two second pressure plates 6, and two third pressure plates 8 on the sealing assembly is that they are separated. (Reference) Figure 5The packaging paper moves between the first movable plate 2 and the second movable plate 3. When the packaging paper is in the pressing position, the first functional cylinder 21 pushes the first movable plate 2 downward and the second functional cylinder 31 pushes the second movable plate 3 upward. The first movable plate 2 and the second movable plate 3 approach each other. The first pressure plate 4, the second pressure plate 6 and the third pressure plate 8 on the first movable plate 2 contact the first pressure plate 4, the second pressure plate 6 and the third pressure plate 8 on the second movable plate 3 to press the packaging paper. A first seal 151 is formed between the two first pressure plates 4 and a second seal 161 is formed between the two second pressure plates 6. The first functional cylinder 21 continues to push the first movable plate 2 downwards, and the second functional cylinder 31 continues to push the second movable plate 3 upwards. The elastic element is compressed, and the cutting blade 5 cuts the packaging paper between the first seal 151 and the second seal 161, achieving separation between the two seals to obtain the first packaging bag 15 and the second packaging bag 16. The two third pressure plates 8 press the second packaging bag 16 together. The punching pin 7 is used to punch holes between the second pressure plate 6 and the third pressure plate 8, forming two ventilation holes 17 on the second packaging bag 16. After cutting and punching are completed, the first functional cylinder 21 drives the first movable plate 2 upwards, and the second functional cylinder 31 drives the second movable plate 3 downwards. The first movable plate 2 and the second movable plate 3 move away from each other, and the first pressure plate 4, the second pressure plate 6, and the third pressure plate 8 on the first movable plate 2 separate from the first pressure plate 4, the second pressure plate 6, and the third pressure plate 8 on the second movable plate 3, returning to the initial state. The packaging paper continues to move, and the sealing assembly performs the next set of sealing work.

[0039] 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 sealing assembly for a chopstick packaging machine, comprising a support base (1) and a first movable plate (2) and a second movable plate (3) mounted on the support base (1), wherein the first movable plate (2) and the second movable plate (3) are respectively provided with heat-melting pressure plates positioned opposite each other, characterized in that, The first movable plate (2) and the second movable plate (3) are provided with opposing sealing structures. The sealing structures include a first pressure plate (4), a second pressure plate (6) and a third pressure plate (8). The first pressure plate (4), the second pressure plate (6) and the third pressure plate (8) are respectively connected to the first movable plate (2) through elastic elements. The second pressure plate (6) is located between the first pressure plate (4) and the third pressure plate (8). The first pressure plate (4) and the second pressure plate (6) are provided with heat-melting heating elements inside. A cutting blade (5) is provided between the first pressure plate (4) and the second pressure plate (6) of the first movable plate (2), a punching nail (7) is provided between the second pressure plate (6) and the third pressure plate (8) of the first movable plate (2), a support plate (12) for supporting the cutting blade (5) is provided between the first pressure plate (4) and the second pressure plate (6) of the second movable plate (3), and a support column (13) for supporting the punching nail (7) is provided between the second pressure plate (6) and the third pressure plate (8) of the second movable plate (3).

2. The sealing assembly of the chopsticks packaging machine according to claim 1, characterized in that, The top of the support plate (12) is provided with a first groove (121) corresponding to the position of the cutting blade (5).

3. The sealing assembly of the chopsticks packaging machine according to claim 2, characterized in that, The support column (13) is coaxially arranged with the punch nail (7), and the top of the support column (13) is provided with a second groove (131) corresponding to the position of the punch nail (7).

4. The sealing assembly of the chopsticks packaging machine according to claim 3, characterized in that, The length of the third pressure plate (8) is less than the length of the second movable plate (3) and the second pressure plate (6).

5. The sealing assembly of the chopsticks packaging machine according to claim 4, characterized in that, The elastic element includes a housing (81), a sliding block (82), and a connecting rod (84). The sliding block (82) is located inside the housing (81) and is slidably connected to the housing (81). A spring (83) is provided between the first end of the sliding block (82) and the housing (81). The connecting rod (84) is fixedly connected to the second end of the sliding block (82) and extends out from the housing (81).

6. The sealing assembly of the chopsticks packaging machine according to any one of claims 1-5, characterized in that, The first movable plate (2) and the second movable plate (3) are slidably connected to the support base (1) in the vertical direction.

7. The sealing assembly of the chopsticks packaging machine according to claim 6, characterized in that, The first movable plate (2) is connected to the upper crossbeam (101) of the support base (1) through the first functional cylinder (21), and the second movable plate (3) is connected to the lower crossbeam (102) of the support base (1) through the second functional cylinder (31). The axes of the first functional cylinder (21) and the second functional cylinder (31) are vertically arranged.

8. The sealing assembly of the chopsticks packaging machine according to claim 7, characterized in that, The support base (1) has two sides with sliding grooves (104), and the first movable plate (2) is fixedly connected to the two sides with first sliders (22) that match the sliding grooves (104), and the second movable plate (3) is fixedly connected to the two sides with second sliders (32) that match the sliding grooves (104).

9. The sealing assembly of the chopsticks packaging machine according to claim 8, characterized in that, The support base (1) is also provided with ribs (103) on both sides.

Images