CN212049716U

CN212049716U - Heat-sealing cutting mechanism for plastic film

Info

Publication number: CN212049716U
Application number: CN202020448891.8U
Authority: CN
Inventors: 马文利
Original assignee: Tianjin Deli Plastic Products Co ltd
Current assignee: Tianjin Deli Plastic Products Co ltd
Priority date: 2020-04-01
Filing date: 2020-04-01
Publication date: 2020-12-01
Anticipated expiration: 2030-04-01

Abstract

The utility model discloses a heat-seal cutting mechanism of plastic film, including inside hollow workstation, one side on workstation top is provided with the wind-up roll that carries out the rolling to the plastic film, and the opposite side on workstation top is provided with relatively with the wind-up roll and supports tight subassembly to the wind-up roll, and the top of workstation is located the wind-up roll and has seted up the opening under. The utility model relates to a heat-seal cutting mechanism of plastic film, cylinder work promotes movable blade holder and cutter emergence motion, carry out high temperature fusing to the plastic film through two cutter relative extrusions, the expansion end of the plastic film after fusing bonds together with the plastic film after the rolling under the pressure effect of compression roller, the realization is carried out the heat-seal to the expansion end of plastic film, and support tightly through compression roller and plastic film, can improve the planarization of plastic film rolling process, through the elastic action of supporting tight spring, after wind-up roll rolling length increases gradually, can keep compressing tightly the plastic film always through the compression roller.

Description

Heat-sealing cutting mechanism for plastic film

Technical Field

The utility model relates to a plastic film processing field specifically is a heat-seal cutting mechanism of plastic film.

Background

The plastic film is made of polyvinyl chloride, polyethylene, polypropylene, polystyrene and other resins, and is used for packaging and as a film coating layer. Plastic packages and plastic package products have a larger share in the market, and particularly, composite plastic flexible packages are widely applied to the fields of food, medicine, chemical industry and the like, wherein the proportion of the plastic packages is the largest, such as beverage packages, quick-frozen food packages, steamed and cooked food packages, fast food packages and the like, and the plastic packages and the plastic package products bring great convenience to the life of people.

The plastic film need cut off it when the enough length of rolling, and present mostly cuts off through the manual work, and the incision end after cutting off does not receive the constraint, and easy pine is scattered, is not convenient for carry and transportation. Therefore, we improve the technology and propose a heat sealing and cutting mechanism for plastic films.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a mechanism is cut in heat-seal of plastic film, be hollow workstation including inside, one side on workstation top is provided with the wind-up roll that carries out the rolling to the plastic film, the opposite side on workstation top is provided with relatively with the wind-up roll and supports tight subassembly to the wind-up roll, the opening has been seted up under the top of workstation is located the wind-up roll, be provided with the hot subassembly of cutting tightly to the plastic film under being located the open-ended in the workstation, the hot subassembly includes fixed blade holder and movable blade holder, fixed blade holder and movable blade holder set up the both sides at the plastic film respectively relatively, just the opposite side of fixed blade holder and movable blade holder all is provided with the cutter, the workstation is located and is provided with the conveying roller under the hot subassembly, the feed inlet that is used for the plastic film to get into is seted up to one side of workstation.

As a preferred technical scheme of the utility model, support tight subassembly and include the fixed plate, the both sides of fixed plate all run through the slip and peg graft and have the slide, two one side that the slide is close to the wind-up roll is provided with and supports tight compression roller to the wind-up roll, the both ends of compression roller are rotated through bearing and two slides respectively and are connected.

As a preferred technical scheme of the utility model, two the slide is arranged in between fixed plate and the compression roller fixed and is provided with the connecting plate, the dorsal middle part of connecting plate is fixed to be provided with and to support tight spring, support tight spring's the other end and fixed plate fixed connection.

As an optimal technical scheme of the utility model, it is provided with the pull rod to support to cooperate in the tight spring, the one end and the connecting plate fixed connection of pull rod, the other end of pull rod passes the fixed plate and pegs graft with the fixed plate slides, just the pull rod is arranged in the fixed handle that is provided with of the outside one end of fixed plate.

As a preferred technical scheme of the utility model, the dorsal part of fixed blade holder and the inner wall fixed connection of workstation, the fixed cylinder that is provided with in dorsal part of activity blade holder, the stiff end of cylinder and the inner wall fixed connection of workstation.

As a preferred technical scheme of the utility model, two the through-hole has all been seted up to one side of cutter, two all be provided with the heating pipe in the through-hole, be provided with a plurality of heating wire in the heating pipe.

As a preferred technical scheme of the utility model, the inner wall rotation that the both ends of conveying roller are passed through bearing and workstation respectively is connected, just the conveying roller sets up with the feed inlet is corresponding.

As the utility model discloses a preferred technical scheme, the top of workstation avris is provided with the door plant, one side of door plant is passed through the hinge and is connected with the workstation rotation, the opposite side of door plant passes through the hasp and is connected with the workstation lock closure.

The utility model has the advantages that: this kind of heat-seal cutting mechanism of plastic film, be connected the cylinder with external gas station, cylinder work promotes movable blade holder and cutter motion, carry out high temperature fusing to the plastic film through two cutter relative extrusions, the expansion end of the plastic film after fusing bonds together with the plastic film after the rolling under the pressure effect of compression roller, the realization is to the expansion end of plastic film heat-seal, reduce the transportation loose possibility of appearing in the plastic film, and support tightly through compression roller and plastic film, can improve the planarization of plastic film rolling process, and through the elastic action of supporting tight spring, after wind-up roll rolling length increases gradually, can keep compressing tightly the plastic film through the compression roller always, the rolling process need not adjust the position between compression roller and the wind-up roll, it is comparatively convenient.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of a heat sealing and cutting mechanism for plastic films according to the present invention;

FIG. 2 is a schematic view showing a positional relationship between a heat cutting assembly and a conveying roller of the heat cutting mechanism for plastic films according to the present invention;

FIG. 3 is a schematic structural view of a pressing component of a heat sealing and cutting mechanism for plastic films according to the present invention;

fig. 4 is a schematic structural view of a hot cutting assembly of the heat sealing and cutting mechanism for plastic films of the present invention.

In the figure: 1. a work table; 2. a wind-up roll; 3. a propping component; 301. a fixing plate; 302. a slide plate; 303. a compression roller; 304. a connecting plate; 305. the spring is tightly propped; 306. a pull rod; 4. hot cutting the assembly; 401. fixing the tool apron; 402. a movable tool apron; 403. a cutter; 404. a cylinder; 405. heating a tube; 5. a conveying roller; 6. a feed inlet; 7. a door panel.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the heat sealing and cutting mechanism for plastic films of the present invention comprises a hollow workbench 1, a wind-up roll 2 for winding the plastic films is disposed on one side of the top end of the workbench 1, a tightening component 3 for tightening the wind-up roll 2 is disposed on the other side of the top end of the workbench 1 opposite to the wind-up roll 2, an opening is disposed right below the wind-up roll 2 at the top end of the workbench 1, a heat cutting component 4 for tightly heat-cutting the plastic films is disposed right below the opening in the workbench 1, the heat cutting component 4 comprises a fixed knife holder 401 and a movable knife holder 402, the fixed knife holder 401 and the movable knife holder 402 are disposed on two sides of the plastic films respectively, and the opposite sides of the fixed cutter holder 401 and the movable cutter holder 402 are both provided with a cutter 403, a conveying roller 5 is arranged under the hot cutting component 4 of the workbench 1, and a feeding hole 6 for plastic films to enter is formed in one side of the workbench 1.

Wherein, the tightening component 3 comprises a fixed plate 301, sliding plates 302 are inserted into two sides of the fixed plate 301 in a sliding manner, a pressing roller 303 for tightening the wind-up roller 2 is arranged on one side of the two sliding plates 302 close to the wind-up roller 2, two ends of the pressing roller 303 are respectively connected with the two sliding plates 302 in a rotating manner through bearings, a connecting plate 304 is fixedly arranged between the fixed plate 301 and the pressing roller 303 and between the two sliding plates 302, a tightening spring 305 is fixedly arranged in the middle of the back side of the connecting plate 304, the other end of the tightening spring 305 is fixedly connected with the fixed plate 301, a pull rod 306 is arranged in the tightening spring 305 in a matching manner, one end of the pull rod 306 is fixedly connected with the connecting plate 304, the other end of the pull rod 306 passes through the fixed plate 301 and is inserted into the fixed plate 301 in a sliding manner, a handle is fixedly arranged at one end of the pull rod 306, the connecting plate 304 moves to drive the sliding plate 302 and the pressing roller 303 to move, the pressing roller 303 and the winding roller 2 are separated, at this time, a plastic film can penetrate through the pressing roller 303 and the winding roller 2 and is wound on the winding roller 2, then acting force of the opposite pull rod 306 is released, at this time, the pressing roller 303 is pushed to abut against the winding roller 2 under the elastic action of the abutting spring 305, the plastic film can be compressed, the flatness of the plastic film in the winding process can be improved, and after the winding length of the winding roller 2 is gradually increased, the plastic film can be always kept to be compressed through the pressing roller 303.

Wherein, the dorsal part of fixed blade holder 401 and the inner wall fixed connection of workstation 1, the fixed cylinder 404 that is provided with in the dorsal part of activity blade holder 402, the stiff end of cylinder 404 and the inner wall fixed connection of workstation 1, the through-hole has all been seted up to one side of two cutters 403, all be provided with heating pipe 405 in two through-holes, be provided with a plurality of heating wire in the heating pipe 405, a plurality of heating wire all is through external heating switch and external power supply electric connection, when carrying out the hot cutting to the plastic film, heat cutter 403 in advance through the heating wire, then be connected cylinder 404 with external gas station, cylinder 404 work promotes activity blade holder 402 and cutter 403 and takes place the motion, carry out high temperature fusing to the plastic film through two cutters 403 relative extrusion.

Wherein, the both ends of conveying roller 5 are connected with the inner wall rotation of workstation 1 through the bearing respectively, and conveying roller 5 and the corresponding setting of feed inlet 6, through the conveying roller 5 that is equipped with, can play the transport effect to the plastic film.

Wherein, the top of 1 avris of workstation is provided with door plant 7, and one side of door plant 7 is passed through the hinge and is connected with workstation 1 rotation, and the opposite side of door plant 7 passes through the hasp and is connected with 1 closure of workstation, through the door plant 7 that is equipped with, is convenient for open workstation 1, wears out workstation 1 to the plastic film from the opening.

The working principle is as follows: one end of a plastic film sequentially passes through a feed port 6, bypasses a conveying roller 5, passes through a hot cutting assembly 4 and then penetrates out of an opening, at the moment, a pull rod 306 is pulled to drive a connecting plate 304 to move, the connecting plate 304 moves to drive a sliding plate 302 and a pressing roller 303 to move, the pressing roller 303 and a winding roller 2 are separated, at the moment, the plastic film can pass through the pressing roller 303 and the winding roller 2 and is wound on the winding roller 2, then the acting force on the pull rod 306 is released, at the moment, the pressing roller 303 and the winding roller 2 are pressed tightly under the elastic action of a pressing spring 305, then the winding roller 2 is driven by an external driving structure to rotate to wind the plastic film, after the plastic film is wound to a certain length, two cutters 403 are heated in advance through electric heating wires, then an air cylinder 404 is connected with an external air supply station, the air cylinder 404 works to push a movable cutter holder 402, the movable end of the plastic film after being melted is bonded with the plastic film after being rolled under the pressure action of the compression roller 303, so that the movable end of the plastic film is subjected to heat sealing.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A heat-sealing cutting mechanism for a plastic film comprises a hollow workbench (1), and is characterized in that a winding roller (2) for winding the plastic film is arranged on one side of the top end of the workbench (1), a tight-supporting component (3) for supporting the winding roller (2) is arranged on the other side of the top end of the workbench (1) opposite to the winding roller (2), an opening is formed in the top end of the workbench (1) under the winding roller (2), a hot-cutting component (4) for tightly hot-cutting the plastic film is arranged in the workbench (1) under the opening, the hot-cutting component (4) comprises a fixed cutter holder (401) and a movable cutter holder (402), the fixed cutter holder (401) and the movable cutter holder (402) are respectively and oppositely arranged on two sides of the plastic film, and cutters (403) are respectively arranged on opposite sides of the fixed cutter holder (401) and the movable cutter holder (402), conveying rollers (5) are arranged under the hot cutting assembly (4) of the workbench (1), and a feeding hole (6) for plastic films to enter is formed in one side of the workbench (1).

2. The heat-sealing cutting mechanism for the plastic film is characterized in that the abutting assembly (3) comprises a fixing plate (301), sliding plates (302) are inserted into two sides of the fixing plate (301) in a penetrating and sliding mode, a pressing roller (303) for abutting against the winding roller (2) is arranged on one side, close to the winding roller (2), of the two sliding plates (302), and two ends of the pressing roller (303) are rotatably connected with the two sliding plates (302) through bearings respectively.

3. The heat sealing and cutting mechanism for the plastic film is characterized in that two sliding plates (302) are fixedly provided with a connecting plate (304) between a fixing plate (301) and a pressing roller (303), the middle of the back side of the connecting plate (304) is fixedly provided with a pressing spring (305), and the other end of the pressing spring (305) is fixedly connected with the fixing plate (301).

4. The heat sealing and cutting mechanism for the plastic films as claimed in claim 3, wherein a pull rod (306) is arranged in the tightening spring (305) in a matching manner, one end of the pull rod (306) is fixedly connected with the connecting plate (304), the other end of the pull rod (306) penetrates through the fixing plate (301) and is in sliding insertion connection with the fixing plate (301), and a handle is fixedly arranged at one end of the pull rod (306) which is arranged outside the fixing plate (301).

5. The heat sealing and cutting mechanism for plastic films as claimed in claim 1, wherein the back side of the fixed tool apron (401) is fixedly connected with the inner wall of the workbench (1), the middle part of the back side of the movable tool apron (402) is fixedly provided with a cylinder (404), and the fixed end of the cylinder (404) is fixedly connected with the inner wall of the workbench (1).

6. The heat-sealing and cutting mechanism for the plastic film as claimed in claim 1, wherein a through hole is formed in one side of each of the two cutting knives (403), a heating pipe (405) is arranged in each of the two through holes, and a plurality of heating wires are arranged in each of the heating pipes (405).

7. The heat sealing and cutting mechanism for plastic films as claimed in claim 1, characterized in that two ends of the conveying roller (5) are respectively connected with the inner wall of the workbench (1) in a rotating way through bearings, and the conveying roller (5) is arranged corresponding to the feed opening (6).

8. The heat-sealing and cutting mechanism for the plastic film is characterized in that a door plate (7) is arranged on the top of one side of the workbench (1), one side of the door plate (7) is rotatably connected with the workbench (1) through a hinge, and the other side of the door plate (7) is in locking connection with the workbench (1) through a lock catch.