Automatic heat sealing device for plastic bag production

Abstract

This utility model relates to the technical field of automatic heat-sealing equipment for plastic bag production, and in particular to an automatic heat-sealing device for plastic bag production. The technical solution is as follows: An automatic heat-sealing device for plastic bag production includes a heat-sealing device body, a mounting frame, a support platform, a second lead screw, a second mounting bracket, a second motor, a rotating base, and a double-arc heating roller. The mounting frame is provided on the outer side of the heat-sealing device body, and the support platform is provided inside the mounting frame. Compared with traditional automatic heat-sealing devices for plastic bag production, where the heat-sealing environment temperature is not constant, the sealing of plastic bags is prone to incomplete heat sealing or brittle sealing, easily leading to warping or unclear surface contours after heat sealing, affecting the normal operation of plastic bag heat sealing. This automatic heat-sealing device for plastic bag production, by setting an adjustable secondary heat-sealing structure, can adjust in real time according to the size and thickness of the plastic bag, and can perform secondary heat sealing on the heat-sealed parts of the plastic bag.

Description

Technical Field

[0001] This utility model relates to the technical field of automatic heat-sealing equipment for plastic bag production, and in particular to an automatic heat-sealing device for plastic bag production. Background Technology

[0002] Automatic heat-sealing equipment for plastic bag production is a type of mechanical equipment used to automatically complete the heat-sealing process in the manufacturing of plastic bags. It melts and presses specific areas of the plastic film using heating elements, so that two or more layers of film are firmly bonded together to form a sealed packaging bag. Automatic heat-sealing equipment for plastic bag production is widely used in the plastic packaging industry and can significantly improve production efficiency and product sealing quality.

[0003] Existing automatic heat-sealing equipment for plastic bag production typically performs a single heat seal on the plastic bag. Due to the inconsistent temperature of the heat-sealing environment, the plastic bag is prone to incomplete heat sealing or brittle seals, which can easily lead to warping or unclear surface contours after heat sealing, affecting the normal operation of the plastic bag heat sealing process.

[0004] Compared to existing automated heat sealing systems for plastic bags, which operate in environments with inconsistent temperatures, leading to incomplete or brittle seals and potential warping or unclear surface contours after heat sealing, this automated heat sealing device for plastic bags addresses these issues. By incorporating an adjustable secondary heat sealing structure, it allows for real-time adjustment based on the size and thickness of the plastic bag and enables secondary heat sealing of the sealed areas, effectively improving the heat sealing performance. Utility Model Content

[0005] To overcome the problems of existing automatic heat-sealing devices for plastic bag production, which typically perform a single heat seal on plastic bags, the sealing of plastic bags is prone to incomplete heat sealing or brittle seals due to the inconsistent temperature of the heat sealing environment. This can easily lead to warping of the bags or unclear surface outlines after heat sealing, affecting the normal operation of plastic bag heat sealing.

[0006] The technical solution of this utility model is as follows: an automatic heat-sealing device for producing plastic bags, comprising a heat-sealing device body, an installation frame, a support platform, a second lead screw, a second mounting bracket, a second motor, a rotating base, and a double-arc heating roller. The installation frame is provided on the outer side of the heat-sealing device body, the support platform is provided inside the installation frame, the second lead screw is provided on the inner side of the installation frame, the second mounting bracket is provided on the outer side of the second lead screw, the second motor is provided on the surface of the support platform, the rotating base is provided on the inner side of the second mounting bracket, and a double-arc heating roller is provided on one side of the rotating base.

[0007] Preferably, the support platform is installed using the mounting frame, other equipment is installed using the support platform, the second motor drives the second lead screw to rotate, the second lead screw drives the second mounting bracket to move up and down, the second mounting bracket installs the rotating base, the rotating base rotates and installs the double arc heating roller, and the double arc heating roller provides secondary reinforcement after the initial heat sealing, thus reinforcing the heat sealing of the plastic bag.

[0008] Preferably, the surface of the heat sealing device body is provided with a material conveyor belt, and mounting blocks are provided on both sides of one end of the material conveyor belt. A first lead screw is provided inside the mounting block, a first motor is provided on the top surface of the mounting block, and a first mounting bracket is provided on the outside of the first lead screw.

[0009] Preferably, a first support bracket is provided on the bottom surface of the first mounting bracket, and a tension roller is provided inside the first support bracket.

[0010] Preferably, a second support bracket is provided on one side of the support platform, a cooler is provided on the surface of the support platform, and a cold air nozzle is provided on the outside of the second support bracket.

[0011] Preferably, an installation chamber is provided on one side of the main body of the heat sealing device, and a fixed bracket is provided inside the installation chamber, with a loading shaft provided at one end of the fixed bracket.

[0012] Preferably, a mounting platform is provided on one side of the mounting frame, and a terminal controller is provided on one side of the mounting platform.

[0013] Preferably, support columns are provided at the four corners of the bottom surface of the heat sealing device body, and support pads are provided at the bottom of the support columns.

[0014] The beneficial effects of this utility model are:

[0015] The support platform is installed using the mounting frame, and other equipment is installed using the support platform. The second motor drives the second lead screw to rotate, which in turn drives the second mounting bracket to move up and down. The rotating base is installed using the second mounting bracket, and the double-arc heating roller is rotated and installed using the rotating base. The double-arc heating roller provides secondary reinforcement after the initial heat sealing, reinforcing the heat sealing of the plastic bag. The cold air nozzle is installed using the second support bracket, and the air is cooled using the cooler. The cold air nozzle cools the heat-sealed plastic bag. Attached Figure Description

[0016] Figure 1 The diagram shown is a first three-dimensional structural schematic of an automatic heat-sealing device for producing plastic bags according to this utility model.

[0017] Figure 2The diagram shown is a second three-dimensional structural schematic of an automatic heat-sealing device for producing plastic bags according to this utility model.

[0018] Figure 3 The diagram shown is a three-dimensional view of the bottom surface of an automatic heat-sealing device for producing plastic bags according to this utility model.

[0019] Figure 4 The diagram shown is a partial three-dimensional structural schematic of an automatic heat-sealing device for producing plastic bags according to this utility model.

[0020] Explanation of reference numerals in the attached drawings: 1. Main body of the heat sealing device; 201. Material conveyor belt; 202. Mounting block; 203. First lead screw; 204. First motor; 205. First mounting bracket; 301. First support bracket; 302. Tensioning roller; 401. Mounting frame; 402. Support platform; 403. Second lead screw; 404. Second mounting bracket; 405. Second motor; 406. Rotating base; 407. Double arc heating roller; 501. Second support bracket; 502. Cold air nozzle; 503. Refrigerator; 601. Mounting chamber; 602. Fixed bracket; 603. Loading shaft; 701. Mounting platform; 702. Terminal controller; 801. Support column; 802. Support foot pad. Detailed Implementation

[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0022] Please see Figure 4 This utility model provides an embodiment of an automatic heat-sealing device for producing plastic bags, comprising a heat-sealing device body 1, a mounting frame 401, a support platform 402, a second lead screw 403, a second mounting bracket 404, a second motor 405, a rotating base 406, and a double-arc heating roller 407. The mounting frame 401 is provided on the outer side of the heat-sealing device body 1, the support platform 402 is provided inside the mounting frame 401, the second lead screw 403 is provided on the inner side of the mounting frame 401, the second mounting bracket 404 is provided on the outer side of the second lead screw 403, the second motor 405 is provided on the surface of the support platform 402, the rotating base 406 is provided on the inner side of the second mounting bracket 404, and the double-arc heating roller 407 is provided on one side of the rotating base 406.

[0023] Please see Figure 1 , Figure 2 and Figure 3In this embodiment, a material conveyor belt 201 is provided on the surface of the heat sealing device body 1. Mounting blocks 202 are provided on both sides of one end of the material conveyor belt 201. A first lead screw 203 is provided inside the mounting block 202. A first motor 204 is provided on the top surface of the mounting block 202. A first mounting bracket 205 is provided on the outer side of the first lead screw 203. In use, the plastic bag to be heat-sealed is conveyed by the material conveyor belt 201, the first lead screw 203 is mounted by the mounting block 202, the first motor 204 drives the first lead screw 203 to rotate, and the first lead screw 203 drives the first mounting bracket 205 to move up and down. A first support is provided on the bottom surface of the first mounting bracket 205. The frame 301 has a tension roller 302 installed inside the first support bracket 301. In use, the first support bracket 301 is installed through the first mounting bracket 205, and the tension roller 302 is installed through the first support bracket 301. The tension roller 302 controls the tension of the plastic bag. A second support bracket 501 is installed on one side of the support platform 402. A cooler 503 is installed on the surface of the support platform 402, and a cold air nozzle 502 is installed on the outside of the second support bracket 501. In use, the cold air nozzle 502 is installed through the second support bracket 501, and the cooler 503 cools the air and the cold air nozzle 502 cools the heat-sealed plastic bag.

[0024] An installation chamber 601 is provided on one side of the heat sealing device body 1. A fixed bracket 602 is provided inside the installation chamber 601. A loading shaft 603 is provided at one end of the fixed bracket 602. In use, the fixed bracket 602 is accommodated by the installation chamber 601, and the loading shaft 603 is installed by the fixed bracket 602. The loading shaft 603 loads the roll of plastic bag. An installation platform 701 is provided on one side of the installation frame 401. A terminal controller 702 is provided on one side of the installation platform 701. In use, the terminal controller 702 is installed by the installation platform 701 and controls the heat sealing device body 1 by the terminal controller 702. Support columns 801 are provided at the four corners of the bottom surface of the heat sealing device body 1. Support feet 802 are provided at the bottom of the support columns 801. In use, the support columns 801 support the heat sealing device body 1, and the support feet 802 prevent the heat sealing device body 1 from sliding.

[0025] During operation, the plastic bags to be heat-sealed are conveyed by the material conveyor belt 201, the first lead screw 203 is installed by the mounting block 202, the first motor 204 drives the first lead screw 203 to rotate, the first lead screw 203 drives the first mounting bracket 205 to move up and down, the first mounting bracket 205 installs the first support bracket 301, the first support bracket 301 installs the tension roller 302, and the tension roller 302 controls the tension of the plastic bags.

[0026] The support platform 402 is installed via the mounting frame 401, and other equipment is installed via the support platform 402. The second motor 405 drives the second lead screw 403 to rotate, and the second lead screw 403 drives the second mounting bracket 404 to move up and down. The rotating base 406 is installed via the second mounting bracket 404, and the double arc heating roller 407 is rotated and installed via the rotating base 406. The double arc heating roller 407 provides secondary reinforcement after the initial heat sealing, reinforcing the heat sealing of the plastic bag. The cold air nozzle 502 is installed via the second support bracket 501, and the air is cooled via the cooler 503. The cold air nozzle 502 also cools the heat-sealed plastic bag.

[0027] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.

Claims

1. An automatic heat sealing apparatus for plastic bag production comprising a heat sealing apparatus main body (1), characterized in that: It also includes an installation frame (401), a support platform (402), a second lead screw (403), a second mounting bracket (404), a second motor (405), a rotating base (406), and a double arc-shaped heating roller (407). The installation frame (401) is provided on the outside of the heat sealing device body (1). The support platform (402) is provided inside the installation frame (401). The second lead screw (403) is provided on the inside of the installation frame (401). The second mounting bracket (404) is provided on the outside of the second lead screw (403). The second motor (405) is provided on the surface of the support platform (402). The rotating base (406) is provided on the inside of the second mounting bracket (404). The double arc-shaped heating roller (407) is provided on one side of the rotating base (406).

2. The automatic heat-sealing device for plastic bag production according to claim 1, characterized in that: The surface of the heat sealing device body (1) is provided with a material conveyor belt (201), and mounting blocks (202) are provided on both sides of one end of the material conveyor belt (201). A first lead screw (203) is provided inside the mounting block (202), a first motor (204) is provided on the top surface of the mounting block (202), and a first mounting bracket (205) is provided on the outside of the first lead screw (203).

3. The automatic heat-sealing device for plastic bag production according to claim 2, characterized in that: The bottom surface of the first mounting bracket (205) is provided with a first support bracket (301), and the inside of the first support bracket (301) is provided with a tension roller (302).

4. The automatic heat-sealing device for plastic bag production according to claim 1, characterized in that: A second support bracket (501) is provided on one side of the support platform (402), a cooler (503) is provided on the surface of the support platform (402), and a cold air nozzle (502) is provided on the outside of the second support bracket (501).

5. The automatic heat-sealing device for plastic bag production according to claim 1, characterized in that: An installation chamber (601) is provided on one side of the main body (1) of the heat sealing device. A fixed bracket (602) is provided inside the installation chamber (601), and a loading shaft (603) is provided at one end of the fixed bracket (602).

6. The automatic heat-sealing device for plastic bag production according to claim 1, characterized in that: A mounting platform (701) is provided on one side of the mounting frame (401), and a terminal controller (702) is provided on one side of the mounting platform (701).

7. The automatic heat-sealing device for plastic bag production according to claim 1, characterized in that: The bottom of the main body (1) of the heat sealing device is provided with support columns (801) at the four corners, and support pads (802) are provided at the bottom of the support columns (801).

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