Packaging bag making device

By introducing top-pressure components and air pumps into the bag-making equipment, the problem of bag adhesion during heat sealing was solved, achieving high-quality bag processing and environmental improvement.

CN223720330UActive Publication Date: 2025-12-26CHONGQING CHUANQING FOOD CO LTD
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Patent Information

Application Number
CN202423287538.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-12-26
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

During the heat sealing process, the high temperature of the heat sealing plate causes the packaging bag material to melt excessively and stick to the hot press plate. When it is lifted, it may cause the packaging bag to deform, affecting the processing quality.

Method used

The design incorporates a top-pressure assembly, a bottom-pressure frame, an air pump, and a filter assembly. By using an electric push rod for resetting and an air pump for extraction, the packaging bag is prevented from sticking to the heat-sealing plate. An activated carbon adsorber is used to filter the exhaust gas, improving the comfort of the production environment.

Benefits of technology

It effectively prevents packaging bags from sticking to the heat-sealing plate after heat sealing, improves processing quality and production environment, and ensures the shape integrity of packaging bags and production hygiene.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of packaging bag making devices, in particular to a packaging bag making device which comprises a machining plate, a packaging bag making machine body is arranged on the upper side of the machining plate, a heat-seal mounting frame is fixedly connected to the upper side of the machining plate, and a mounting opening is formed in the upper side of the heat-seal mounting frame. An electric push rod is fixedly connected to the inner wall of the mounting opening, a control box is fixedly connected to the output end of the electric push rod, a heat sealing plate is fixedly connected to the lower side of the control box, and a lower pressing frame is slidably matched with the outer side of the heat sealing plate. Through the arrangement of the jacking assembly, the downward pressing frame and other components, after heat sealing is completed, the electric push rod is started to reset, in the resetting process, the position, making contact with a packaging bag, of the heat sealing plate firstly leaves the packaging bag, the downward pressing frame abuts against the packaging bag under the action of the separation spring, the situation that the packaging bag and the heat sealing plate are lifted up can be avoided, and the packaging effect is improved. And the processing quality of the device is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of packaging bag making device, especially to a packaging bag making device. BACKGROUND

[0002] The packaging bag making device is a kind of equipment specially used to process and manufacture various packaging bags from roll-shaped packaging materials (such as plastic film, paper, aluminum foil or their composite materials), which mainly passes through unwinding mechanism, printing unit, folding mechanism, heat sealing mechanism, wherein the heat sealing mechanism is the key part of the bag making device to realize bag sealing, and its quality directly affects the sealing property of the bag.

[0003] Through retrieval, Chinese patent application No. CN202320037870.0 discloses a kind of hot sealing bag cutting device for packaging bag making machine, including main body mechanism, guide mechanism, flatten mechanism and hot sealing mechanism, the guide mechanism is located at the left side of the upper end of main body mechanism, the flatten mechanism is located at the upper end of main body mechanism, the hot sealing mechanism is located in the inside of main body mechanism;The hot sealing mechanism includes movable slot, mounting plate, connecting spring, hot pressing assembly, sawtooth cutting edge and cutting pad seat, the movable slot is fixedly arranged in the right side of the inside of main body mechanism, the mounting plate is movably installed in the inner end of movable slot, the connecting spring is fixedly installed in the upper end of mounting plate.The hot sealing bag cutting device for packaging bag making machine adopts synchronous hot sealing and bag cutting operation mode to the prepared packaging bag, controls sealing position and slitting position at the same distance, is not prone to slitting waste problem, improves the control precision of operation, facilitates packaging bag processing work to be reasonably carried out.

[0004] For the related technology in the above, the inventor finds that there are the following defects: in actual hot sealing process, due to the high temperature of hot sealing plate itself, the packaging bag material is excessively melted and adhered to the hot pressing plate during hot sealing, so that the packaging bag is likely to be lifted up when the hot pressing plate is lifted up, which may cause the packaging bag to deform and affect the processing quality. UTILITY MODEL CONTENTS

[0005] In order to solve the problems mentioned in the above background art, the utility model provides a kind of packaging bag making device.

[0006] The packaging bag making device provided by the utility model adopts the following technical scheme: a processing plate is provided, a packaging bag making machine body is arranged on the upper side of the processing plate, a hot sealing mounting frame is fixedly connected to the upper side of the processing plate, an installation opening is formed in the upper side of the hot sealing mounting frame, an electric push rod is fixedly connected to the inner wall of the installation opening, a control box is fixedly connected to the output end of the electric push rod, a hot sealing plate is fixedly connected to the lower side of the control box, a pressing frame is slidably connected to the outer side of the hot sealing plate, a pressing assembly is arranged on the upper side of the pressing frame;

[0007] The side of the lower pressing frame is fixedly connected with an L-shaped pipe, the inner wall of the L-shaped pipe is slidably connected with an extension pipe, the upper side of the heat sealing mounting frame is fixedly connected with an air pump matched with the extension pipe, the output end of the air pump is provided with a filter assembly, the upper side of the processing plate is provided with a preheating plate, and the upper side of the processing plate is provided with a lower pressing assembly.

[0008] Optionally, the top pressing assembly comprises a plurality of movable openings formed on the control box, a movable rod fixedly connected with the lower pressing frame and slidably connected in the movable openings, and a plurality of separation springs fixedly connected between the lower pressing frame and the control box.

[0009] Optionally, the filter assembly comprises a filter frame fixedly connected to the upper side of the heat sealing mounting frame, and an activated carbon adsorber fixedly connected to the inner wall of the filter frame.

[0010] Optionally, the lower pressing assembly comprises a U-shaped frame fixedly connected to the processing plate, two top pressing springs fixedly connected to the upper side of the inner wall of the U-shaped frame, a mounting shell fixedly connected to the lower ends of the two top pressing springs, and a lower pressing roller rotatably connected to the inner wall of the mounting shell.

[0011] Optionally, the upper side of the U-shaped frame is provided with a limiting opening, the upper side of the mounting shell is fixedly connected with a limiting rod, and the limiting rod is slidably connected in the limiting opening.

[0012] Optionally, the side of the control box is fixedly connected with an extension block, the lower side of the extension block is fixedly connected with a press switch, and the press switch is matched with the air pump.

[0013] Optionally, the side of the control box is fixedly connected with a cutting block, and the side of the cutting block is fixedly connected with a cutting knife through bolts.

[0014] In summary, the utility model has the following beneficial technical effects:

[0015] 1. The utility model discloses a top pressing assembly, a lower pressing frame and other components are arranged, when heat sealing is completed, the electric push rod is reset, the position of the heat sealing plate contacting the packaging bag will first leave the packaging bag during the reset process, the packaging bag is supported by the lower pressing frame under the action of the separation spring, so that the packaging bag and the heat sealing plate are prevented from being lifted, and the processing quality of the device is improved.

[0016] 2. The utility model discloses an L-shaped pipe, an extension pipe, an air pump and other components are arranged, during heat sealing, the air pump is started to pump air in the extension pipe and the L-shaped pipe, the inside of the lower pressing frame is pumped, the waste gas generated during heat sealing is pumped into the filter frame, the waste gas is filtered by the activated carbon adsorber, and the comfort of the production environment is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the overall structure schematic diagram in the embodiment of the utility model.

[0018] Figure 2 is the structure schematic diagram of the embodiment of the utility model control box three-dimensional structure diagram;

[0019] Figure 3 is the structure schematic diagram of the embodiment of the utility model side view three-dimensional structure diagram;

[0020] Figure 4 is the structure schematic diagram of the embodiment of the utility model processing plate three-dimensional section;

[0021] Reference signs: 1, processing plate;2, packaging bag making machine body;3, heat sealing installation frame;4, installation port;5, electric push rod;6, control box;7, heat sealing plate;8, down pressure frame;9, top pressure assembly;901, movable port;902, movable rod;903, separation spring;10, L-shaped pipe;11, extension pipe;12, air suction pump;13, filter assembly;131, filter frame;132, activated carbon adsorber;14, preheating plate;15, down pressure assembly;151, U-shaped frame;152, top pressure spring;153, installation shell;154, down pressure roller;16, limit port;17, limit rod;18, extension block;19, press switch;20, cutting block;21, cutting knife. Specific implementation

[0022] The following will be combined with the Figure 1 -4 of the utility model make further detailed description.

[0023] The embodiment of the utility model discloses a packaging bag making device. Figures 1-4 As shown, including processing plate 1, the upper side of processing plate 1 is provided with packaging bag making machine body 2, the upper side of processing plate 1 is fixedly connected with heat sealing installation frame 3, the upper side of heat sealing installation frame 3 is provided with installation port 4, the inner wall of installation port 4 is fixedly connected with electric push rod 5, control box 6 fixedly connected at the output end of electric push rod 5, the lower side of control box 6 is fixedly connected with heat sealing plate 7, the outer side of heat sealing plate 7 is slidably matched with down pressure frame 8, the upper side of down pressure frame 8 is provided with top pressure assembly 9;

[0024] One side of down pressure frame 8 is fixedly connected with L-shaped pipe 10, the inner wall of L-shaped pipe 10 is slidably matched with extension pipe 11, the upper side of heat sealing installation frame 3 is fixedly connected with air suction pump 12 matched with extension pipe 11, the output end of air suction pump 12 is provided with filter assembly 13, the upper side of processing plate 1 is provided with preheating plate 14, the upper side of processing plate 1 is provided with down pressure assembly 15.

[0025] Please refer to Figure 2The top pressing assembly 9 comprises a plurality of movable openings 901 formed on the control box 6, a movable rod 902 fixedly connected to the lower pressing frame 8 and slidingly fitted in the movable openings 901, and a plurality of separation springs 903 fixedly connected between the lower pressing frame 8 and the control box 6. During the pressing process, the lower pressing frame 8 first contacts the packaging bag, and the separation springs 903 are contracted. After the separation, the heat sealing plate 7 is separated from the packaging bag first, and then the lower pressing frame 8 is separated from the packaging bag, so that the packaging bag is prevented from being lifted together with the lower pressing frame 8.

[0026] Please refer to Figure 3 The filtering assembly 13 comprises a filtering frame 131 fixedly connected to the upper side of the heat sealing mounting frame 3 and an activated carbon adsorber 132 fixedly connected to the inner wall of the filtering frame 131. The gas is discharged into the filtering frame 131 by the air pump 12, and the activated carbon adsorber 132 can adsorb the gas to reduce the odor and improve the environmental cleanliness.

[0027] Please refer to Figure 4 The lower pressing assembly 15 comprises a U-shaped frame 151 fixedly connected to the processing plate 1, two top pressing springs 152 fixedly connected to the upper side of the inner wall of the U-shaped frame 151, a mounting shell 153 fixedly connected to the lower ends of the two top pressing springs 152, and a lower pressing roller 154 rotationally fitted in the inner wall of the mounting shell 153. The lower pressing roller 154 is pressed downward by the top pressing springs 152 to press the packaging bag, so that the packaging bag is attached to the preheating plate 14 and is smoothed in advance.

[0028] Please refer to Figure 4 The upper side of the U-shaped frame 151 is provided with a limiting opening 16, and the upper side of the mounting shell 153 is fixedly connected with a limiting rod 17. The limiting rod 17 is slidingly fitted in the limiting opening 16. The stress condition of the mounting shell 153 is improved by sliding the limiting rod 17 in the limiting opening 16.

[0029] Please refer to Figure 2 The control box 6 is fixedly connected with an extension block 18 on one side, and the lower side of the extension block 18 is fixedly connected with a press switch 19. The press switch 19 is matched with the air pump 12. When the control box 6 and the press switch 19 are lowered at the same time during the heat sealing process, the press switch 19 is abutted between the processing plate 1 and the control box 6, and the air pump 12 is started to perform air suction, so that automatic operation and shutdown are realized.

[0030] Please refer to Figure 2 The control box 6 is fixedly connected with a cutting block 20 on one side, and the cutting block 20 is fixedly connected with a cutting knife 21 on one side through bolts. The cutting knife 21 is lowered together with the control box 6 during the lowering process of the control box 6, so as to cut the packaging bag.

[0031] The implementation principle of the packaging bag making device is as follows: when in use, the packaging bag is subjected to unwinding mechanism and printing operations by the packaging bag making machine body 2, and then the prepared packaging bag is passed through the lower side of the lower pressing assembly 15 and the heat sealing plate 7, one end is externally connected to the receiving winding device, the material is subjected to receiving and pulling, in the process of moving the packaging bag, the installation shell 153 is extruded by the top pressing spring 152, the lower pressing roller 154 is abutted against the packaging bag, and the packaging bag is attached to the preheating plate 14, so that the moving packaging bag can be ironed and pulled, and the material surface can be made more flat through appropriate temperature and tension effect, and the processing quality is improved;

[0032] When heat sealing is required, the heat sealing plate 7 can be contacted with the corresponding position of the packaging bag by starting the electric push rod 5 to press down the control box 6, heat sealing is realized, when the heat sealing is completed, the electric push rod 5 is started to reset, in the resetting process, the position of the heat sealing plate 7 contacting the packaging bag will first leave the packaging bag, and the lower pressing frame 8 abuts against the packaging bag under the action of the separation spring 903, so that the packaging bag is prevented from being lifted with the heat sealing plate 7, and the processing quality of the device is improved.

[0033] In the process of heat sealing, the extension pipe 11 and the L-shaped pipe 10 are subjected to air extraction by starting the air pump 12, air extraction is realized in the lower pressing frame 8, a plurality of air inlet holes are formed in the lower pressing frame 8, waste gas generated in the heat sealing process is subjected to air extraction into the filter frame 131, the waste gas is filtered by the activated carbon adsorber 132, and the comfort of the production environment is improved.

[0034] The above are preferred embodiments of the utility model, and do not limit the protection scope of the utility model, so that: equivalent changes made according to the structure, shape and principle of the utility model should be covered in the protection scope of the utility model.

Claims

1. A bag making apparatus for a packaging bag, comprising a processing plate (1), characterized in that: The upper side of the processing plate (1) is provided with a packaging bag making machine body (2), the upper side of the processing plate (1) is fixedly connected with a heat sealing mounting frame (3), the upper side of the heat sealing mounting frame (3) is provided with a mounting port (4), the inner wall of the mounting port (4) is fixedly connected with an electric push rod (5), a control box (6) is fixedly connected at the output end of the electric push rod (5), the lower side of the control box (6) is fixedly connected with a heat sealing plate (7), the outer side of the heat sealing plate (7) is slidably connected with a pressing frame (8), the upper side of the pressing frame (8) is provided with a pressing assembly (9); One side of the pressing frame (8) is fixedly connected with an L-shaped pipe (10), the inner wall of the L-shaped pipe (10) is slidably connected with an extension pipe (11), the upper side of the heat sealing mounting frame (3) is fixedly connected with an air pump (12) matched with the extension pipe (11), the output end of the air pump (12) is provided with a filter assembly (13), the upper side of the processing plate (1) is provided with a preheating plate (14), and the upper side of the processing plate (1) is provided with a pressing assembly (15).

2. A bag making apparatus as claimed in claim 1, wherein: The pressing assembly (9) comprises a plurality of movable ports (901) formed in the control box (6), a movable rod (902) fixedly connected to the pressing frame (8) and slidably connected in the movable port (901), and a plurality of separation springs (903) fixedly connected between the pressing frame (8) and the control box (6).

3. A bag making apparatus as claimed in claim 1, wherein: The filter assembly (13) comprises a filter frame (131) fixedly connected to the upper side of the heat sealing mounting frame (3), and an activated carbon adsorber (132) fixedly connected to the inner wall of the filter frame (131).

4. A bag making apparatus as claimed in claim 1, wherein: The pressing assembly (15) comprises a U-shaped frame (151) fixedly connected to the processing plate (1), two pressing springs (152) fixedly connected to the upper side of the inner wall of the U-shaped frame (151), an installation shell (153) fixedly connected to the lower ends of the two pressing springs (152), and a pressing roller (154) rotatably connected to the inner wall of the installation shell (153).

5. A bag making apparatus as claimed in claim 4, wherein: The upper side of the U-shaped frame (151) is provided with a limiting port (16), the upper side of the installation shell (153) is fixedly connected with a limiting rod (17), and the limiting rod (17) is slidably connected in the limiting port (16).

6. A bag making apparatus as claimed in claim 1, wherein: One side of the control box (6) is fixedly connected with an extension block (18), the lower side of the extension block (18) is fixedly connected with a pressing switch (19), and the pressing switch (19) is matched with the air pump (12).

7. A bag making apparatus as claimed in claim 1, wherein: One side of the control box (6) is fixedly connected with a cutting block (20), and the cutting block (20) is fixedly connected with a cutting knife (21) on one side through bolts.

Citation Information

Patent Citations

  • Bag heat-sealing and cutting device for packaging bag making machine

    CN219236342U