Sealing machine capable of degrading plastic bags

By introducing a blowing component and a lifting frame structure into the biodegradable plastic bag sealing machine, the problems of high energy loss and poor sealing of the sealing machine are solved, achieving efficient heat dissipation and rapid cooling, thus ensuring sealing quality.

CN223631952UActive Publication Date: 2025-12-05XIONGXIAN YUNUO PLASTIC PRODUCTS CO LTD
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Patent Information

Application Number
CN202520046772.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-09
Publication Date
2025-12-05
Estimated Expiration
2035-01-09

AI Technical Summary

Technical Problem

Existing sealing machines for biodegradable plastic bags suffer from high energy loss during heat dissipation, resulting in unsatisfactory sealing effects, slow solidification at the seal, and easy deformation or breakage.

Method used

The air blowing assembly efficiently dissipates heat from the heat-sealing components and rapidly cools and shapes the sealed biodegradable bag. At the same time, the second lifting frame limits and fixes the bag, and the sealing position can be adjusted to suit different needs.

Benefits of technology

It achieves efficient heat dissipation and rapid cooling, reduces energy loss, ensures good sealing effect, avoids deformation or cracking, and has a wide range of applications.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a degradable plastic bag sealing machine which comprises a base, the top of the base is fixedly connected with a supporting frame, one side of the top of the supporting frame is provided with a driving assembly, and the driving assembly is connected with a first lifting frame and used for driving the first lifting frame to do lifting motion. The first lifting frame slidably penetrates through the supporting frame, the bottom of the first lifting frame is connected with a heat sealing piece, the heat sealing piece is electrically connected with a controller, and the controller is installed on the top of the supporting frame and electrically connected with the driving assembly; and an air blowing assembly is arranged on the other side of the top of the supporting frame, electrically connected with the controller and used for blowing air to the bottom of the supporting frame to dissipate heat, and a degradable bag to be sealed is placed between the base and the heat sealing piece. The sealing machine for the degradable plastic bag solves the problems that existing equipment is prone to causing high energy loss, the sealing effect is not ideal, the solidification speed of the sealing position of the plastic bag is low, and the sealing position is prone to deformation or fracture.
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Description

TECHNICAL FIELD

[0001] The utility model relates to degradable plastic bag production technical field especially relates to a degradable plastic bag's sealing machine. BACKGROUND

[0002] In prior art, the utility model with publication number CN221189399U discloses a kind of hot-press sealing device for degradable plastic bag, including hot-press contact plate, hot-press contact plate both ends are provided with sliding metal guide rail, sliding metal guide rail inside is provided with sliding groove, hot-press contact plate moves up and down in sliding groove inside, sliding groove side end is fixedly connected with heat dissipation paste, and heat dissipation paste is copper-aluminum alloy structure;Hydraulic telescopic rod is fixedly connected on the upper surface of workbench by support column, and the output end of hydraulic telescopic rod is fixedly connected with hot-press contact plate. However, the heat dissipation mode of the hot-press sealing device for degradable plastic bag in the patent technical scheme can easily lead to high energy loss, and can also easily affect the sealing effect, causing the problem of still existing opening after sealing is completed. The applicant has been engaged in degradable plastic bag production for a long time, and finds that existing equipment cannot guarantee good sealing effect while efficiently dissipating heat, and plastic bag sealing place cannot quickly solidify after sealing is completed, leading to deformation or rupture of sealing place.

[0003] Therefore, it is necessary to develop a sealing machine for degradable plastic bag aiming at the above defects. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a sealing machine for degradable plastic bag, which can solve the problems of high energy loss, unsatisfactory sealing effect, slow solidification speed of plastic bag sealing place and easy deformation or rupture of sealing place of existing equipment.

[0005] To solve the above technical problems, the utility model adopts the following technical scheme:

[0006] The utility model discloses a sealing machine for degradable plastic bag, which comprises a base, a support frame is fixedly connected to the top of the base, one side of the top of the support frame is provided with a driving assembly, the driving assembly is connected with a first lifting frame for driving the lifting movement of the first lifting frame, the first lifting frame is slidably penetrated through the support frame, the bottom of the first lifting frame is connected with a heat sealing piece, the heat sealing piece is electrically connected with a controller, the controller is installed on the top of the support frame and electrically connected with the driving assembly, the other side of the top of the support frame is provided with a blowing assembly, the blowing assembly is electrically connected with the controller for blowing and heat dissipation to the bottom of the support frame, and the base and the heat sealing piece are used for placing degradable bags to be sealed.

[0007] Further, the first lifting frame is slidably connected with a second lifting frame through a sleeve, two ends of the second lifting frame are slidably connected with the support frame, and a pressing block is fixedly connected to the bottom of the second lifting frame and abuts against the degradable bag to limit the degradable bag; a control spring is arranged between the second lifting frame and the first lifting frame, and the control spring is used to provide a force in the vertical direction to make the second lifting frame close to the first lifting frame.

[0008] Further, a sliding groove is arranged on the base, a pushing block is slidably connected in the sliding groove, a baffle is fixedly connected to the top of the pushing block and penetrates through the base, the baffle is slidably connected with the top of the base, and the baffle is used to limit the end of the degradable bag; a drive screw is installed in the sliding groove and threadedly connected with the pushing block, one end of the drive screw is rotatably connected with the base, and the other end of the drive screw penetrates through the base and is installed with a handle.

[0009] Further, the first lifting frame comprises a first mounting plate on which the heat sealing element is fixedly installed, two vertical sliding rods are fixedly connected to the top of the first mounting plate, and the two sliding rods are sequentially arranged through the second lifting frame and the support frame; a drive seat is threadedly connected to any one of the sliding rods, the drive seat is rotatably connected with the support frame and connected with the drive assembly; the control spring is sleeved on the sliding rod and fixed at two ends of the control spring.

[0010] Further, the drive assembly comprises a drive motor fixed to the top of the support frame, a driving gear is fixedly connected to the output end of the drive motor, and a driven gear is engaged with the driving gear; a driving sprocket is fixedly installed at the top of any one of the drive seats, and adjacent driving sprockets are connected through a chain; the top of the driving sprocket on one side is fixedly connected with the driven gear; the sliding rod is arranged through the driving sprocket and the driven gear.

[0011] Further, the second lifting frame comprises lifting sliding rods which are slidably arranged at the side walls of the support frame, a connecting plate is fixedly connected to the lifting sliding rods and sleeved on the sliding rods, the connecting plate corresponds to the sliding rod in one-to-one correspondence, and the bottom of the connecting plate is fixed with the control spring; a plurality of supporting rods are fixedly arranged at the bottom of the lifting sliding rods, a second mounting plate is fixedly installed at the bottom of each supporting rod, and the bottom of the second mounting plate is fixed with the pressing block; the side wall of the support frame is provided with a lifting sliding groove matched with the lifting sliding rod.

[0012] Furthermore, the blower assembly includes a fan fixed to the top of the support frame, a duct connected to the fan, and several branch pipes connected side by side at intervals along the vertical direction. A blower head is fixedly connected to the end of each branch pipe away from the duct.

[0013] Compared with the prior art, the beneficial technical effects of this utility model are as follows:

[0014] This utility model discloses a sealing machine for biodegradable plastic bags. Through the installation of a blowing assembly, it can efficiently dissipate heat from the heat-sealing component and rapidly cool and reshape the sealed biodegradable bag, avoiding stretching and deformation during transfer. During heat sealing, the heat-sealing component contacts the biodegradable bag, and energy is directly transferred to the bag, ensuring efficient energy transfer and effect. The blowing assembly only dissipates heat from the surface of each structure, protecting the structure's lifespan while reducing energy loss. It efficiently and intactly seals the biodegradable bag while rapidly cooling and reshaping it, resulting in a better sealing effect. The second lifting frame provides better positioning and fixation for the biodegradable bag. The baffle allows for adjustment of the sealing position according to usage needs, broadening its applicability. Attached Figure Description

[0015] The present invention will be further described below with reference to the accompanying drawings.

[0016] Figure 1 This is a schematic diagram of the main structure of the sealing machine for biodegradable plastic bags according to this utility model;

[0017] Figure 2 For along Figure 1 Cross-sectional view of line AA in the middle;

[0018] Figure 3 for Figure 2 Enlarged structural diagram at point B;

[0019] Figure 4 for Figure 2 Enlarged structural diagram at point C;

[0020] Figure 5 This is a schematic diagram of the initial state of the raised structure of this utility model.

[0021] Explanation of reference signs: 1, base; 2, support frame; 3, drive assembly; 4, first lifting frame; 5, heat sealing element; 6, controller; 7, blowing assembly; 9, degradable bag; 11, sliding groove; 12, pushing block; 13, baffle; 14, drive screw; 15, handle; 21, lifting sliding groove; 31, drive motor; 32, driving gear; 33, driven gear; 34, drive sprocket; 41, first mounting plate; 42, sliding rod; 43, drive seat; 71, fan; 72, air pipe; 73, branch pipe; 74, blowing head; 81, second lifting frame; 82, pressing block; 83, control spring; 811, lifting sliding rod; 812, connecting plate; 813, support rod; 814, second mounting plate. DETAILED DESCRIPTION

[0022] The core of the utility model is to provide a sealing machine of degradable plastic bag, can solve the existing equipment easily leads to higher energy loss, sealing effect is not ideal, plastic bag sealing place solidification speed is slow, sealing place easy deformation or rupture problem.

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0024] In the description of the utility model, it is understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model.

[0025] Please see Figures 1 to 5A specific embodiment of the sealing machine for degradable plastic bags is described. The sealing machine for degradable plastic bags comprises a base 1, the top of the base 1 is fixedly connected with a support frame 2, one side of the top of the support frame 2 is provided with a driving assembly 3, the driving assembly 3 is connected with a first lifting frame 4 for driving the first lifting frame 4 to move up and down; the first lifting frame 4 is slidingly penetrated through the support frame 2 and is provided, the bottom of the first lifting frame 4 is connected with a heat sealing piece 5, the heat sealing piece 5 is electrically connected with a controller 6, the controller 6 is installed on the top of the support frame 2 and is electrically connected with the driving assembly 3; the other side of the top of the support frame 2 is provided with a blowing assembly 7, the blowing assembly 7 is electrically connected with the controller 6 and is used for blowing air to the bottom of the support frame 2 to dissipate heat, and the base 1 and the heat sealing piece 5 are used for placing the degradable bag 9 to be sealed.

[0026] For the convenience of description, please refer to Figure 1 and Figure 2 , a straight angle coordinate system is established, wherein, the XY plane is a horizontal plane, the direction indicated on the horizontal plane is a horizontal direction, and the direction indicated by the Z axis is a vertical direction.

[0027] In the specific embodiment of the utility model, the first lifting frame 4 is slidingly connected with a second lifting frame 81 through a sleeve, the two ends of the second lifting frame 81 are slidingly connected with the support frame 2, the bottom of the second lifting frame 81 is fixedly connected with a pressing block 82, the pressing block 82 abuts against the degradable bag 9 and is used for limiting the degradable bag 9; a control spring 83 is arranged between the second lifting frame 81 and the first lifting frame 4, and the control spring 83 is used for providing a force along the vertical direction for the second lifting frame 81 to move close to the first lifting frame 4.

[0028] In the embodiment, the base 1 is provided with a sliding groove 11, a pushing block 12 is slidingly connected in the sliding groove 11, the top of the pushing block 12 is fixedly connected with a baffle 13 penetrating through the base 1, the baffle 13 is slidingly connected with the top of the base 1 and is used for limiting the end of the degradable bag 9; a driving screw 14 is installed in the sliding groove 11 and is threadedly connected with the pushing block 12, one end of the driving screw 14 is rotatably connected with the base 1, and the other end of the driving screw 14 is installed with a handle 15 penetrating through the base 1.

[0029] In a specific embodiment of the utility model, first elevating frame 4 includes first mounting plate 41 of bottom fixed installation heat seal 5, the top of first mounting plate 41 is fixedly connected with two vertical setting sliding rods 42, two sliding rods 42 are all sequentially set through second elevating frame 81 and support frame 2;Any sliding rod 42 is all screw thread connection has drive seat 43, drive seat 43 is rotatably connected with support frame 2 and is connected with drive assembly 3;Control spring 83 is sleeved on sliding rod 42, and both ends are fixed with second elevating frame 81 and first mounting plate 41 respectively.

[0030] In a specific embodiment of the utility model, drive assembly 3 includes drive motor 31 fixed on the top of support frame 2, the output end of drive motor 31 is fixedly connected with driving gear 32, and driving gear 32 is engaged with driven gear 33;The top of any drive seat 43 is fixedly installed with drive sprocket 34, and adjacent drive sprockets 34 are connected through chain;The top of the drive sprocket 34 located on one side is fixedly connected with the driven gear 33;Sliding rod 42 is arranged through drive sprocket 34 and driven gear 33 simultaneously.

[0031] In a specific embodiment of the utility model, second elevating frame 81 includes elevating slide 811 sliding on the side wall of support frame 2 at both ends, and the elevating slide 811 is fixedly connected with connecting plate 812 sliding on sliding rod 42, connecting plate 812 corresponds to sliding rod 42 one by one, and the bottom is fixed with control spring 83;The bottom of elevating slide 811 is fixed with a plurality of support rods 813, and the bottom of a plurality of support rods 813 is fixedly installed with second mounting plate 814, and the bottom of second mounting plate 814 is fixed with pressing block 82;The side wall of support frame 2 is provided with elevating slide groove 21 matched with elevating slide 811.

[0032] In a specific embodiment of the utility model, blowing assembly 7 includes fan 71 fixed on the top of support frame 2, and fan 71 is connected with air pipe 72, a plurality of branch pipes 73 are connected in parallel along the vertical direction, and one end of any branch pipe 73 away from air pipe 72 is fixedly connected with blowing head 74. Here, as long as the above blowing assembly 7 and control spring 83 can realize the performance function, which is within the protection scope of the present application.

[0033] Compared with the prior art, the sealing machine for the degradable plastic bag can efficiently cool the heat sealing element 5 and quickly cool and shape the sealed degradable bag 9, so that the degradable bag 9 is not deformed during the transfer process, the energy is directly transmitted to the degradable bag 9 when the heat sealing element 5 contacts the degradable bag 9, the efficient transmission and effect of the energy can be ensured, the blowing assembly 7 only cools the surfaces of the structures, the service life of the structures is protected, the energy consumption is reduced, the degradable bag 9 is efficiently and perfectly sealed and quickly cooled and shaped, and the sealing effect is better; the second lifting frame 81 can better limit and fix the degradable bag 9; and the sealing position can be adjusted according to the use requirement through the baffle 13, so that the sealing machine has a wider application range.

[0034] The working process of the sealing machine for the degradable plastic bag is as follows: according to the sealing position, the handle 15 is rotated to drive the screw rod 14, and then the distance between the baffle 13 and the heat sealing element 5 in the horizontal direction is adjusted; the degradable bag 9 is placed on the base 1, and one end to be sealed abuts against the baffle 13; the controller 6 controls the driving motor 31 to start, the driving motor 31 drives the driven gear 33 to rotate through the driving gear 32, the two driving seats 43 are synchronously rotated through the transmission between the two driving sprockets 34, the sliding rod 42 is then lowered, the heat sealing element 5 is lowered through the first mounting plate 41, the heat sealing element 5 is heated under the control of the controller 6, the second lifting frame 81 is lowered in the process of the first mounting plate 41 being lowered, the pressing block 82 below the second lifting frame 81 first abuts against the degradable bag 9 and then stops moving, at this time, the controller 6 controls the fan 71 to start, the fan 71 blows and cools different positions at the bottom of the supporting frame 2 through the air pipe 72, the branch pipe 73 and the blowing head 74; the first lifting frame 4 continues to be lowered, at this time, the control spring 83 is stretched, and the first lifting frame 4 moves to abut against the degradable bag 9 and completes the sealing of the heat sealing element 5; the first lifting frame 4 is lifted, and after being lifted to a certain height, the second lifting frame 81 is lifted, at this time, the blowing assembly 7 stops working.

[0035] The embodiments in the specification are described in a progressive manner, and each embodiment focuses on the difference from other embodiments, and the same or similar parts of each embodiment can be referred to each other. For the device disclosed in the embodiments, since it corresponds to the method disclosed in the embodiments, the description is relatively simple, and the related parts can be referred to the method part.

[0036] The above-described embodiments only describe the preferred modes of the utility model, and do not limit the scope of the utility model, and various deformations and improvements of the technical solutions of the utility model made by those skilled in the art without departing from the design spirit of the utility model shall fall within the protection scope determined by the claims of the utility model.

Claims

1. A sealer for degradable plastic bags, characterized by: The utility model provides a heat sealing device for degradable bag, including base (1), the top of base (1) is fixedly connected with support frame (2), one side of support frame (2) top is equipped with drive assembly (3), drive assembly (3) is connected with first lifting frame (4), is used for drive first lifting frame (4) lifting movement, first lifting frame (4) slidingly passes through support frame (2) setting, the bottom of first lifting frame (4) is connected with heat sealing element (5), heat sealing element (5) is electrically connected with controller (6), controller (6) is installed on the top of support frame (2) with drive assembly (3) electrically connected, the other side of support frame (2) top is equipped with blowing assembly (7), blowing assembly (7) with controller (6) electrically connected, is used for blowing heat dissipation to the bottom of support frame (2), and the base (1) with heat sealing element (5) between for placing the degradable bag (9) of being sealed.

2. The sealer for degradable plastic bags according to claim 1, characterized in that: Second lifting frame (81) is slidably connected to the first lifting frame (4), and the two ends of the second lifting frame (81) are slidably connected to the support frame (2). The bottom of the second lifting frame (81) is fixedly connected with a pressing block (82), which abuts against the degradable bag (9) to limit the degradable bag (9). A control spring (83) is arranged between the second lifting frame (81) and the first lifting frame (4), and the control spring (83) provides a force in the vertical direction to move the second lifting frame (81) towards the first lifting frame (4).

3. The sealer for degradable plastic bags according to claim 1, characterized in that: A sliding groove (11) is arranged on the base (1), and a push block (12) is slidably connected in the sliding groove (11). The top of the push block (12) is fixedly connected with a baffle (13) penetrating through the base (1). The baffle (13) is slidably connected to the top of the base (1) to limit the end of the degradable bag (9). A drive screw (14) is installed in the sliding groove (11) and threadedly connected with the push block (12). One end of the drive screw (14) is rotatably connected to the base (1), and the other end penetrates through the base (1) and is installed with a handle (15).

4. The sealer for degradable plastic bags according to claim 2, characterized in that: The first lifting frame (4) includes a first mounting plate (41) fixedly installed with the heat sealing element (5). The top of the first mounting plate (41) is fixedly connected with two vertically arranged sliding rods (42). The two sliding rods (42) sequentially penetrate through the second lifting frame (81) and the support frame (2). A drive seat (43) is threadedly connected to any one of the sliding rods (42). The drive seat (43) is rotatably connected to the support frame (2) and connected with the drive assembly (3). The control spring (83) is sleeved on the sliding rod (42) and fixedly connected to the second lifting frame (81) and the first mounting plate (41) at both ends.

5. The sealer for degradable plastic bags according to claim 4, characterized in that: The driving assembly (3) comprises a driving motor (31) fixed at the top of the support frame (2), the output end of the driving motor (31) is fixedly connected with a driving gear (32), and the driving gear (32) is meshed with a driven gear (33); the top of any driving sprocket (34) is fixedly installed, and the adjacent driving sprockets (34) are connected through chains; the top of the driving sprocket (34) located on one side is fixedly connected with the driven gear (33); and the sliding rod (42) penetrates through the driving sprocket (34) and the driven gear (33) at the same time.

6. The sealer for degradable plastic bags according to claim 4, characterized in that: The second lifting frame (81) comprises lifting sliding rods (811) sliding at both ends of the side wall of the support frame (2), the lifting sliding rods (811) are horizontally fixedly connected with connecting plates (812) slidingly sleeving the sliding rods (42), the connecting plates (812) correspond to the sliding rods (42) in a one-to-one manner, and the bottoms of the connecting plates (812) are fixedly connected with the control springs (83); the bottoms of the lifting sliding rods (811) are fixedly connected with a plurality of supporting rods (813), the bottoms of the plurality of supporting rods (813) are fixedly installed with second mounting plates (814), and the bottoms of the second mounting plates (814) are fixedly connected with the pressing blocks (82); and the side wall of the support frame (2) is provided with lifting sliding grooves (21) matched with the lifting sliding rods (811).

7. The sealer of degradable plastic bags according to any one of claims 1-6, characterized in that: The blowing assembly (7) comprises a fan (71) fixed at the top of the support frame (2), the fan (71) is connected with an air pipe (72), a plurality of branch pipes (73) are connected in parallel in the vertical direction at intervals, and one end of any branch pipe (73) away from the air pipe (72) is fixedly connected with a blowing head (74).

Citation Information

Patent Citations

  • Hot-pressing sealing device for degradable plastic bag

    CN221189399U