CN218928738U

CN218928738U - Thermal cutting device for plastic bag production

Info

Publication number: CN218928738U
Application number: CN202223005858.6U
Authority: CN
Inventors: 朱凤超
Original assignee: Tianjin Jinli Huatai New Material Technology Co ltd
Current assignee: Tianjin Jinli Huatai New Material Technology Co ltd
Priority date: 2022-11-11
Filing date: 2022-11-11
Publication date: 2023-04-28
Anticipated expiration: 2032-11-11

Abstract

The utility model discloses a thermal cutting device for plastic bag production, which belongs to the technical field of plastic bag production and comprises a storage table and electric heating wires which are horizontally arranged on the storage table and used for thermal cutting of plastic bags, wherein side brackets are symmetrically welded on two sides of the top wall of the storage table, a servo motor is welded on one side bracket top wall, an output shaft of the servo motor is coaxially connected with a screw rod, a limiting rod is welded on the inner side of the other side bracket, a top plate is horizontally arranged between the two side brackets, one end of the top plate is sleeved on the screw rod in a threaded manner, the other end of the top plate is sleeved on the limiting rod in a sliding manner, mounting frames are respectively arranged on two sides of one side of the bottom wall of the top plate, two ends of the electric heating wires are respectively fixed on the two mounting frames, springs are respectively connected on two sides of the other side of the bottom wall of the top plate, and the bottom ends of the two springs are connected with pressing plates. This a hot cutting device for plastic bag production guarantees that plastic bag can hardly produce deformation such as perk in the cutting process to the smoothness of cutting place has been guaranteed.

Description

Thermal cutting device for plastic bag production

Technical Field

The utility model belongs to the technical field of plastic bag production, and particularly relates to a thermal cutting device for plastic bag production.

Background

The plastic bag is made of plastic (common plastic is polypropylene, polyester, nylon and the like) as a main raw material, is an indispensable article in daily life, is often used for containing other articles, and is widely used due to the advantages of low cost, light weight, large capacity and convenience in storage. In order to make a rapid cut at the corners thereof and to make the edges thereof flat when producing plastic bags, cutting by a thermal cutting process has been suggested in the prior art.

In carrying out the present utility model, the inventors have found that at least the following problems exist in this technology: at present, the device for carrying out hot cutting on the plastic bag is mainly used for fixing the main body part of the plastic bag, so that the phenomenon of tilting of the main body of the plastic bag in the cutting process is likely to occur, and the flatness of the cutting position is affected.

For this reason, we propose a thermal cutting device for plastic bag production that solves the above-mentioned problems.

Disclosure of Invention

The utility model mainly aims to provide a thermal cutting device for plastic bag production, which can ensure that plastic bags hardly generate deformation such as tilting and the like in the cutting process, thereby ensuring the flatness of cutting positions and effectively solving the problems in the background technology.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a thermal cutting device for plastic bag production, including putting thing bench and level and setting up in putting the thing bench and being used for plastic bag thermal cutting's heating wire, wherein put the bilateral symmetry welding of thing bench roof have the side stand, one of them side stand roof welding has servo motor, just servo motor's output shaft coaxial coupling has the screw rod, another side stand inboard welding has the gag lever post, two the level is equipped with the roof between the side stand, the one end thread bush of roof is located on the screw rod, and the other end slip cap is located on the gag lever post, the mounting bracket is all installed on the both sides of one of them side of roof diapire, the both ends of heating wire are fixed in respectively on two mounting brackets, the both sides of roof diapire opposite side all are connected with the spring, and two the bottom of spring is connected with the clamp plate.

As a preferred embodiment, the screw is arranged on the inner side of one side bracket, and both ends of the screw are rotatably connected with the side bracket; the screw rod and the limiting rod are vertically arranged and are symmetrical to the two ends of the top plate.

As a preferred embodiment, a power supply is arranged above the heating wire on the top wall of the top plate, wherein the power supply is electrically connected with the heating wire; thereby supplying power to the heating wire, so that the heating wire can smoothly emit heat and heat cutting of the plastic bag can be performed.

As a preferred embodiment, a plurality of blowers are welded at the center of the top wall of the top plate, and the blowers are distributed in a linear array along the horizontal direction; the plurality of blowers all need external electric facilities to supply power.

As a preferred embodiment, a plurality of air blowers are connected with air outlet pipes, and the air outlet pipes penetrate through the top plate and are welded and fixed with the top plate; the structural stability of a plurality of air outlet pipes is ensured.

As a preferred embodiment, a plurality of air outlet covers are arranged on the bottom wall of the top plate, and are respectively communicated with a plurality of air outlet pipes; the opening of the air outlet cover is gradually enlarged from top to bottom, so that the range of the high-speed air flow after being blown out is enlarged, the temperature of the air outlet cover is reduced in a larger range, and the air outlet cover is positioned between the pressing plate and the electric heating wire.

In summary, the technical effects and advantages of the present utility model are:

according to the thermal cutting device for plastic bag production, the screw is driven to run through the servo motor to enable the top plate to drive the electric heating wires to sink, meanwhile, the two pressing plates are firstly contacted with the to-be-cut part of the plastic bag to extrude and limit the to-be-cut part of the plastic bag, deformation such as tilting and the like of the plastic bag in the cutting process is guaranteed, and accordingly smoothness of the cut part is guaranteed;

this a hot cutting device for plastic bag production is operated through a plurality of air-blower and is blown the high-speed air current downwards through a plurality of air-out hoods, can carry out quick cooling to plastic bag cutting part, avoids the heat overlength long time of heating wire to spread on the plastic bag to the aesthetic property of plastic bag cutting part has been guaranteed.

Drawings

FIG. 1 is a schematic view of a first direction of the present utility model;

FIG. 2 is a schematic view of a second direction of the present utility model;

fig. 3 is a schematic structural view of a third direction of the present utility model.

In the figure: 1. a storage table; 2. heating wires; 3. a mounting frame; 4. a side bracket; 5. a servo motor; 6. a screw; 7. a limit rod; 8. a top plate; 9. a spring; 10. a pressing plate; 11. a power supply; 12. a blower; 13. an air outlet pipe; 14. and (5) an air outlet cover.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1 to 3, a thermal cutting apparatus for plastic bag production includes a storage table 1 and an electric heating wire 2 horizontally disposed on the storage table 1 for thermal cutting of plastic bags;

the two sides of the top wall of the middle-placed object table 1 are symmetrically welded with U-shaped side brackets 4, the top wall of one side bracket 4 is welded with a servo motor 5, the output shaft of the servo motor 5 is coaxially connected with a screw rod 6, the screw rod 6 is arranged on the inner side of one side bracket 4, two ends of the screw rod 6 are rotationally connected with the side brackets 4, the inner side of the other side bracket 4 is welded with a limiting rod 7, a top plate 8 is horizontally arranged between the two side brackets 4, one end of the top plate 8 is sleeved on the screw rod 6 in a threaded manner, the other end of the top plate 8 is slidably sleeved on the limiting rod 7, the screw rod 6 and the limiting rod 7 are vertically arranged and symmetrically arranged at two ends of the top plate 8, two sides of one side of the bottom wall of the top plate 8 are respectively provided with a mounting frame 3, two sides of the other side of the bottom wall of the top plate 8 are respectively connected with springs 9, the bottom ends of the two springs 9 are connected with a pressing plate 10, a power supply 11 is arranged above the top plate 8, and the top wall of the top plate 8 is positioned above the heating wire 2, wherein the power supply 11 is electrically connected with the heating wire 2, so that the heating wire 2 supplies power to the heating wire 2 smoothly and the heating wire 2 can emit heat and heat to the plastic bag cutting heat;

a plurality of air blowers 12 are welded at the center of the top wall of the top plate 8, the air blowers 12 are distributed in a linear array along the horizontal direction, the air blowers 12 are all powered by external electric facilities, air outlet pipes 13 are connected to the air blowers 12, the air outlet pipes 13 penetrate through the top plate 8 and are welded and fixed with the top plate 8, the structural stability of the air outlet pipes 13 is guaranteed, a plurality of air outlet covers 14 are arranged on the bottom wall of the top plate 8, the air outlet covers 14 are respectively communicated with the air outlet pipes 13, the openings of the air outlet covers 14 are gradually enlarged from top to bottom, so that the range of high-speed air flow after being blown out is enlarged, the temperature is reduced in a larger range, and the air outlet covers 14 are positioned between the pressure plate 10 and the heating wires 2.

Working principle: firstly, the plastic bags to be thermally cut are stacked together (50 plastic bags are recommended to start), the position to be cut is just arranged under the electric heating wire 2, the plastic bag main body part is arranged under the pressing plate 10, at the moment, the servo motor 5 is driven to be electrified to drive the screw 6 to operate, the top plate 8 is enabled to descend along the limiting rod 7, in the descending process, the pressing plate 10 is enabled to be firstly driven to be contacted with the main body part of the plastic bag, the main body part of the plastic bag is enabled to be pressed and kept stable, the electric heating wire 2 is electrified while the top plate 8 descends, the electric heating wire 2 is enabled to release heat, after the pressing plate 10 presses the main body part of the plastic bag, the electric heating wire 2 is enabled to be contacted with the position to be cut of the plastic bag, so that thermal cutting is carried out, the electric heating wire 2 is enabled to be stopped to be electrified after the cutting is finished, the electric heating wire 11 is driven to be electrified, at the moment, the plurality of blowers 12 are driven to operate, external air is sucked into the plastic bag, high-speed air is downwards blown through the plurality of air outlet pipes 13 and the plurality of air outlet covers 14, and the temperature of the cut position of the plastic bag is enabled to be rapidly lowered.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. A thermal cutting device for plastic bag production, including putting thing platform (1) and level and setting up in putting thing platform (1) on and be used for heating wire (2) of plastic bag thermal cutting, its characterized in that, wherein put the bilateral symmetry welding of thing platform (1) roof has side stand (4), one of them side stand (4) roof welding has servo motor (5), just the output shaft coaxial coupling of servo motor (5) has screw rod (6), another side stand (4) inboard welding has gag lever post (7), two the level is equipped with roof (8) between side stand (4), on screw rod (6) are located to the one end thread bush of roof (8), on gag lever post (7) are located to the other end slip cap, mounting bracket (3) are all installed on both sides of roof (8) diapire one side, on both ends of heating wire (2) are fixed in two mounting bracket (3) respectively, both sides of roof (8) diapire opposite side all are connected with spring (9), and two the bottom of spring (9) is connected with clamp plate (10).

2. Thermal cutting device for the production of plastic bags according to claim 1, characterized in that the screw (6) is arranged inside one of the side brackets (4) and both ends of the screw (6) are in rotational connection with the side brackets (4).

3. The thermal cutting device for plastic bag production according to claim 1, wherein a power supply (11) is mounted above the heating wire (2) on the top wall of the top plate (8), wherein the power supply (11) is electrically connected with the heating wire (2).

4. Thermal cutting device for the production of plastic bags according to claim 1, characterized in that a plurality of blowers (12) are welded in the centre of the top wall of the top plate (8), and in that a plurality of said blowers (12) are distributed in a linear array in the horizontal direction.

5. The hot cutting device for plastic bag production according to claim 4, wherein a plurality of air blowers (12) are connected with air outlet pipes (13), and the air outlet pipes (13) penetrate through the top plate (8) and are welded and fixed with the top plate (8).

6. Thermal cutting device for the production of plastic bags according to claim 5, characterized in that the bottom wall of the top plate (8) is fitted with a plurality of air outlet hoods (14), and in that a plurality of said air outlet hoods (14) are in communication with a plurality of air outlet pipes (13), respectively.