Heat sealing mechanism for preparing plastic film bag

By designing an automated heat-sealing mechanism, the problem of skin burns caused by manual operation during the heat-sealing process of plastic film bags was solved, achieving a highly efficient and precise heat-sealing effect.

CN223850149UActive Publication Date: 2026-01-30SHANTOU F T Z OCTOPLAS TECH LTD
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Patent Information

Application Number
CN202520680296.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-11
Publication Date
2026-01-30
Estimated Expiration
2035-04-11

AI Technical Summary

Technical Problem

During the heat sealing process of plastic film bags, manual operation can easily lead to skin burns, and the accuracy and efficiency of heat sealing are difficult to guarantee.

Method used

A heat sealing mechanism including a workbench, a heat sealing device, a conveyor belt, a fixing component, and a positioning structure is designed. The transmission component drives the threaded rod to rotate, and the fixing component and positioning frame are used to stably position and move the plastic film bag, thereby realizing automated heat sealing.

Benefits of technology

It enables automated heat sealing of plastic film bags, avoiding skin burns caused by manual operation and improving heat sealing accuracy and efficiency.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223850149U_ABST
    Figure CN223850149U_ABST
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Abstract

The utility model relates to the technical field of plastic film bag preparation, in particular to a heat sealing mechanism for plastic film bag preparation, which comprises a working table and a heat sealing device, the working table comprises a table body, two supports, an ejector rod and a supporting rod, the opposite ends of the two supports are fixedly connected with the front side and the rear side of the table body respectively, and the ejector rod is fixedly connected with the supporting rod. The front side and the rear side of the ejector rod are fixedly connected with the opposite ends of the two supports respectively. A plastic film bag is supported through the workbench, heat sealing treatment is conducted on the plastic film bag through the heat sealing device, the threaded rod is driven to rotate through the transmission assembly, the plastic film bag is fixed through the fixing assembly, and the plastic film bag is positioned through matched use of the positioning frame and the limiting piece. The problem that when a worker moves a plastic film bag, the hand is close to a heat sealing plate and is prone to touching the heat sealing plate, and the skin is scalded is solved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to plastic film bag technical field especially relates to a plastic film bag preparation is with heat sealing mechanism. BACKGROUND

[0002] Plastic film bag is a kind of common packaging material, with light, waterproof, moistureproof, transparent etc. Characteristic, occupies important position in the packaging of food, daily necessities, electronic products, clothing etc. Multiple industries.

[0003] In the process of plastic film bag processing, need to be handled by heat sealing device to the edge heat sealing, heat sealing device is fused by heating the sealing part of plastic film and is fused, forms seal, when using heat sealing device to plastic film bag heat sealing, need artificial plastic film bag to be right, ensure that plastic film bag and heat sealing plate alignment, artificial right process, hand is close to heat sealing plate, easily touches heat sealing plate, causes skin scald. UTILITY MODEL CONTENTS

[0004] In view of the problems existing in the prior art, the utility model provides a plastic film bag preparation is with heat sealing mechanism.

[0005] The utility model is such realization, a plastic film bag preparation is with heat sealing mechanism, including work table and heat sealing device, the work table includes the table body, two supports, top rod and support rod, two the opposite ends of support are respectively with the front and rear sides of table body Fixed connection, the front and rear sides of top rod are respectively with the opposite ends of two supports Fixed connection, the top of support rod is with the bottom of table body Fixed connection, the front and rear sides of support rod top are all with the bottom of two supports Fixed connection, the heat sealing device includes two threaded rods, two lifting blocks, connecting rod and heat sealing plate, two The surface of threaded rod is all with the inside movable joint of two supports, the surface of two lifting blocks is all with the inside movable joint of two supports, the inside of two lifting blocks It is all with the surface of two threaded rods Screw connection, the front and rear sides of connecting rod are respectively with the opposite ends of two lifting blocks Fixed connection, heat sealing plate is installed at the bottom of connecting rod;

[0006] The work table is used to support plastic film bag;

[0007] The heat sealing device is used to heat sealing treatment to plastic film bag.

[0008] In order to drive the plastic film bag to move, preferably, the top of the inside of the table body is provided with a conveying belt, the bottom of the two threaded rods is fixedly connected with synchronous gears, the top of the two synchronous gears is movably connected with the inside of the support rod, the inside of the support rod is provided with a transmission assembly, the left side of the connecting rod is provided with a fixing assembly, the plastic film bag is placed on the top of the conveying belt, and the plastic film bag is moved through the conveying belt.

[0009] In order to drive the two threaded rods to rotate, preferably, the transmission assembly comprises a transmission rod, two transmission gears, a connecting gear and a transmission motor, the front and rear sides of the surface of the transmission rod are movably connected with the front and rear sides of the inside of the support rod, the inside of the two transmission gears is movably connected with the front and rear sides of the surface of the transmission rod, the surfaces of the two transmission gears are meshedly connected with the surfaces of the two synchronous gears, the inside of the connecting gear is fixedly connected with the surface of the transmission rod, the top of the transmission motor is fixedly connected with the bottom of the support rod, the surface of the output end of the transmission motor is meshedly connected with the surface of the connecting gear, the output end of the transmission motor drives the transmission rod to rotate through the connecting gear, and the transmission rod drives the two threaded rods to synchronously rotate through the two transmission gears and the two synchronous gears in the rotating process.

[0010] In order to keep the plastic film bag stable, preferably, the fixing assembly comprises two fixing boxes, a plurality of pressing springs, two connecting barrels and two pressing blocks, the opposite ends of the two fixing boxes are fixedly connected with the left and right sides of the connecting rod, the top of the plurality of pressing springs is fixedly connected with the top of the inside of the two fixing boxes, the surfaces of the two connecting barrels are movably connected with the insides of the two fixing boxes, the bottoms of the plurality of pressing springs are fixedly connected with the insides of the two connecting barrels, the tops of the two pressing blocks are fixedly connected with the bottoms of the two connecting barrels, the surfaces of the two pressing blocks are movably connected with the insides of the two fixing boxes, and the plastic film bag is extruded through the pressing blocks, so that the plastic film bag is kept stable.

[0011] In order to prevent the connecting barrel from tilting, preferably, the front and rear sides of the insides of the two fixing boxes are fixedly connected with slide rods, the surfaces of the four slide rods are slidably connected with the front and rear sides of the insides of the two connecting barrels, the movement direction of the connecting barrel is limited through the slide rods, and the connecting barrel is prevented from tilting.

[0012] In order to position the right side of the plastic film bag, preferably, the right side of the fixing box is fixedly connected with a positioning frame, the surface of the positioning frame is slidably connected with the inside of the table body, the positioning frame can block the right end of the plastic film bag when the fixing box is located at the top, so that the plastic film bag is positioned.

[0013] In order to prevent the plastic film bag from being dislocated, preferably, the front and rear sides of the top of the table body are fixedly connected with limiting pieces, the two limiting pieces are located at the top of the conveying belt, the front and rear sides of the plastic film bag are limited through the two limiting pieces, so that the plastic film bag is prevented from being dislocated.

[0014] Compared with the prior art, the utility model has the beneficial effects as follows:

[0015] The utility model discloses a workbench, table body, support and top rod and other structural components, and the plastic film bag is supported through the workbench, the plastic film bag is heat-sealed through the heat-sealing device, the threaded rod is rotated through the transmission assembly, the plastic film bag is fixed through the fixed assembly, the plastic film bag is positioned through the cooperation of the positioning frame and the limiting piece, which achieves the effect that the plastic film bag is conveniently heat-sealed. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is the three-dimensional structure schematic diagram provided by the utility model embodiment;

[0017] Fig. 2 It is the three-dimensional structure schematic diagram of heat-sealing device provided by the utility model embodiment;

[0018] Fig. 3 It is the three-dimensional structure schematic diagram of fixed assembly provided by the utility model embodiment.

[0019] In the drawing: 1, workbench;101, table body;102, support;103, top rod;104, support rod;2, heat-sealing device;201, threaded rod;202, lifting block;203, connecting rod;204, heat-sealing plate;3, conveying belt;4, synchronous gear;5, transmission assembly;501, transmission rod;502, transmission gear;503, connecting gear;504, transmission motor;6, fixed assembly;601, fixed box;602, pressing spring;603, connecting barrel;604, pressing block;7, sliding rod;8, positioning frame;9, limiting piece. DETAILED DESCRIPTION

[0020] In order to further understand the invention content, characteristics and efficacy of the utility model, the following examples are cited, and the detailed description is as follows in cooperation with the drawings.

[0021] The structure of the utility model is described in detail below in combination with the drawings.

[0022] As Figs. 1 to 3As shown, the utility model discloses a kind of plastic film bag preparation heat sealing mechanism, including workbench 1 and heat sealing device 2, workbench 1 includes table body 101, two supports 102, top rod 103 and support rod 104, the opposite ends of two supports 102 are respectively fixedly connected with the front and back sides of table body 101, the front and back sides of top rod 103 are respectively fixedly connected with the opposite ends of two supports 102, the top of support rod 104 is fixedly connected with the bottom of table body 101, the front and back sides of support rod 104 top are fixedly connected with the bottom of two supports 102, heat sealing device 2 includes two threaded rods 201, two lifting blocks 202, connecting rod 203 and heat sealing plate 204, the surface of two threaded rods 201 is movably connected with the inside of two supports 102, the surface of two lifting blocks 202 is movably connected with the inside of two supports 102, the inside of two lifting blocks 202 is threadedly connected with the surface of two threaded rods 201, the front and back sides of connecting rod 203 are respectively fixedly connected with the opposite ends of two lifting blocks 202, and heat sealing plate 204 is installed at the bottom of connecting rod 203;Workbench 1 is used to support plastic film bag;Heat sealing device 2 is used to carry out heat sealing treatment to plastic film bag, to drive plastic film bag to move, the top of inside of table body 101 is equipped with conveying belt 3, the bottom of two threaded rods 201 is fixedly connected with synchronous gear 4, the top of two synchronous gears 4 is movably connected with the inside of support rod 104, the inside of support rod 104 is provided with transmission assembly 5, the left side of connecting rod 203 is provided with fixed assembly 6, plastic film bag is placed on the top of conveying belt 3, and plastic film bag is moved by conveying belt 3, to drive two threaded rods 201 to rotate, transmission assembly 5 includes transmission rod 501, two transmission gears 502, connecting gear 503 and transmission motor 504, the front and back sides of the surface of transmission rod 501 are movably connected with the front and back sides of the inside of support rod 104, the inside of two transmission gears 502 is movably connected with the front and back sides of the surface of transmission rod 501, the surface of two transmission gears 502 is meshingly connected with the surface of two synchronous gears 4, the inside of connecting gear 503 is fixedly connected with the surface of transmission rod 501, the top of transmission motor 504 is fixedly connected with the bottom of support rod 104, the surface of the output end of transmission motor 504 is meshingly connected with the surface of connecting gear 503, the output end of transmission motor 504 is driven transmission rod 501 to rotate by connecting gear 503, two threaded rods 201 are synchronously rotated by two transmission gears 502 and two synchronous gears 4 in the process of transmission rod 501 rotation, to make plastic film bag keep stable, fixed assembly 6 includes two fixed boxes 601, multiple pressing springs 602, two connecting barrels 603 and two pressing blocks 604, the opposite ends of two fixed boxes 601 are respectively fixedly connected with the left and right sides of connecting rod 203, the top of multiple pressing springs 602 is fixedly connected with the top of the inside of two fixed boxes 601, the surface of two connecting barrels 603 is movably connected with the inside of two fixed boxes 601,The bottoms of the plurality of downward pressing springs 602 are fixedly connected with the interiors of the two connecting barrels 603, the tops of the two downward pressing blocks 604 are fixedly connected with the bottoms of the two connecting barrels 603, the surfaces of the two downward pressing blocks 604 are movably connected with the interiors of the two fixed boxes 601, the plastic film bag is extruded by the downward pressing blocks 604, so that the plastic film bag is kept stable, in order to prevent the connecting barrels 603 from tilting, the front and rear sides in the interiors of the two fixed boxes 601 are fixedly connected with sliding rods 7, the surfaces of the four sliding rods 7 are slidably connected with the front and rear sides in the interiors of the two connecting barrels 603, the moving direction of the connecting barrels 603 is limited by the sliding rods 7, so that the connecting barrels 603 are prevented from tilting, in order to position the right side of the plastic film bag, the right side of the right fixed box 601 is fixedly connected with a positioning frame 8, the surface of the positioning frame 8 is slidably connected with the interior of the table body 101, when the fixed box 601 is located at the top, the positioning frame 8 can block the right end of the plastic film bag, so that the plastic film bag is positioned, in order to prevent the plastic film bag from being dislocated, the front and rear sides of the top of the table body 101 are fixedly connected with limiting pieces 9, the two limiting pieces 9 are located at the top of the conveying belt 3, the front and rear sides of the plastic film bag are limited by the two limiting pieces 9, so that the plastic film bag is prevented from being dislocated.

[0023] The working principle of the utility model:

[0024] When the plastic film bag is subjected to heat sealing treatment, the plastic film bag is placed at the top of the conveying belt 3, the front and rear sides of the plastic film bag are attached to the two limiting pieces 9, the plastic film bag is driven by the conveying belt 3 to move rightwards, the right end of the plastic film bag is attached to the positioning frame 8, the transmission motor 504 is started, the output end of the transmission motor 504 drives the transmission rod 501 to rotate through the connecting gear 503, the two transmission gears 502 and the two synchronous gears 4 drive the two threaded rods 201 to rotate synchronously during the rotation of the transmission rod 501, the two threaded rods 201 drive the fixed box 601 and the connecting rod 203 to move downwards during the rotation of the two threaded rods 201, the downward pressing block 604 contacts the plastic film bag and extrudes the plastic film bag, so that the plastic film bag is kept stable, the connecting rod 203 continues to move downwards, the heat sealing plate 204 contacts the plastic film bag, and the plastic film bag is subjected to heat sealing treatment, after the sealing is completed, the fixed box 601 is moved upwards by a certain distance by the transmission motor 504, the plastic film bag is moved by the conveying belt 3, and the plastic film bag is moved out through the interior of the positioning frame 8.

[0025] It is to be noted that the relational terms herein, such as first and second, and the like, are used solely to distinguish one from another entity or action without necessarily requiring or implying any actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0026] The above description merely provides preferred embodiments of the present application and is not intended in any way to limit the present application. Although the present application has been disclosed with reference to the above embodiments, the present application is not limited to the above embodiments. It will be apparent to a person skilled in the art that various modifications and changes can be made thereto without departing from the scope of the present application.

Claims

1. A heat sealing mechanism for the production of plastic film bags, comprising a worktable (1) and a heat sealing device (2), characterized in that: The workbench (1) comprises a table body (101), two supports (102), a top rod (103) and a supporting rod (104), opposite ends of the two supports (102) are fixedly connected with the front and rear sides of the table body (101) respectively, the front and rear sides of the top rod (103) are fixedly connected with the opposite ends of the two supports (102) respectively, the top of the supporting rod (104) is fixedly connected with the bottom of the table body (101), and the front and rear sides of the top of the supporting rod (104) are fixedly connected with the bottoms of the two supports (102), the heat sealing device (2) comprises two threaded rods (201), two lifting blocks (202), a connecting rod (203) and a heat sealing plate (204), the surfaces of the two threaded rods (201) are movably connected with the interiors of the two supports (102), the surfaces of the two lifting blocks (202) are movably connected with the interiors of the two supports (102), the interiors of the two lifting blocks (202) are in threaded connection with the surfaces of the two threaded rods (201), the front and rear sides of the connecting rod (203) are fixedly connected with the opposite ends of the two lifting blocks (202) respectively, and the heat sealing plate (204) is installed at the bottom of the connecting rod (203). The workbench (1) is used for supporting plastic film bags. The heat sealing device (2) is used for heat sealing treatment on the plastic film bags.

2. A heat sealing mechanism for the production of plastic film bags as claimed in claim 1, characterized in that: The top of the interior of the table body (101) is provided with a conveying belt (3), the bottoms of the two threaded rods (201) are fixedly connected with synchronous gears (4), the tops of the two synchronous gears (4) are movably connected with the interior of the supporting rod (104), the interior of the supporting rod (104) is provided with a transmission assembly (5), and the left side of the connecting rod (203) is provided with a fixing assembly (6).

3. A heat sealing mechanism for the production of plastic film bags as defined in claim 2, characterized in that: The transmission assembly (5) comprises a transmission rod (501), two transmission gears (502), a connecting gear (503) and a transmission motor (504), the front and rear sides of the surface of the transmission rod (501) are movably connected with the front and rear sides of the interior of the supporting rod (104) respectively, the interiors of the two transmission gears (502) are movably connected with the front and rear sides of the surface of the transmission rod (501) respectively, the surfaces of the two transmission gears (502) are in meshing connection with the surfaces of the two synchronous gears (4), the interior of the connecting gear (503) is fixedly connected with the surface of the transmission rod (501), the top of the transmission motor (504) is fixedly connected with the bottom of the supporting rod (104), and the surface of the output end of the transmission motor (504) is in meshing connection with the surface of the connecting gear (503).

4. The heat sealing mechanism for making plastic film bags as claimed in claim 2 wherein: Said fixed assembly (6) includes two fixed boxes (601), a plurality of pressing springs (602), two connecting barrels (603) and two pressing blocks (604), both sides of two said fixed boxes (601) are fixedly connected with connecting rods (203) respectively, the top of a plurality of said pressing springs (602) is fixedly connected with the top inside of two fixed boxes (601), the surface of two said connecting barrels (603) is movably connected with the inside of two fixed boxes (601), the bottom of a plurality of said pressing springs (602) is fixedly connected with the inside of two connecting barrels (603), the top of two said pressing blocks (604) is fixedly connected with the bottom of two connecting barrels (603), the surface of two said pressing blocks (604) is movably connected with the inside of two fixed boxes (601).

5. A heat sealing mechanism for the production of plastic film bags as defined in claim 4, characterized in that: Both sides of the inside of two said fixed boxes (601) are fixedly connected with slide rods (7), the surface of four said slide rods (7) is slidably connected with the inside of two connecting barrels (603) respectively.

6. A heat sealing mechanism for the production of plastic film bags as defined in claim 4, characterized in that: The right side of right said fixed box (601) is fixedly connected with a positioning frame (8), the surface of said positioning frame (8) is slidably connected with the inside of table body (101).

7. A heat sealing mechanism for the production of plastic film bags as defined in claim 2, characterized in that: Both sides of the top of said table body (101) are fixedly connected with limiting pieces (9), two said limiting pieces (9) are located on the top of conveying belt (3).