CN213056218U

CN213056218U - Flanging machine for plastic bag processing

Info

Publication number: CN213056218U
Application number: CN202021735257.9U
Authority: CN
Inventors: 金岩军; 万洪平
Original assignee: Qingdao Aohua Packaging Co ltd
Current assignee: Qingdao Aohua Packaging Co ltd
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2021-04-27
Anticipated expiration: 2030-08-18

Abstract

The utility model discloses a flanging machine is used in plastic bag processing, the on-line screen storage device comprises a base, be fixed in the support frame of base both sides, the pneumatic cylinder clamp plate, hem board and closing device, the piston rod of pneumatic cylinder passes the top surface of support frame and is connected with the higher authority of clamp plate, connect hem board and a plurality of closing device below the clamp plate, be equipped with the hem platform on the base, correspond the department with hem board position on the hem platform and be equipped with the hem groove, hem inslot portion is equipped with heating mechanism, and be equipped with the ventilation structure in the hem platform, and locate on the hem groove with the hem platform in the ventilation structure air vent together with. The utility model discloses an add closing device around the hem board and can guarantee the hem vestige precision of plastic bag, add on the hem groove with the air vent of hem platform interior ventilation structure intercommunication can make the fine laminating of hem in-process plastic bag at hem inslot wall to improve the hem effect.

Description

Flanging machine for plastic bag processing

Technical Field

The utility model relates to a flanging machine correlation technique field specifically is a flanging machine is used in plastic bag processing.

Background

Plastic bag uses extensively in modern life, need carry out the hem in the manufacture process of plastic bag and handle, among the prior art, handles artifical manual hem and flanging machine hem of adopting usually to the hem of plastic bag, heats the design to the plastic bag when the hem in order to promote the hem effect during artifical hem, and artifical hem often inefficiency and the error rate is high, is unfavorable for production efficiency's improvement. When the existing flanging machine is used for flanging, the plastic bag is in a non-fixed state relative to the flanging platform, is light and is often displaced, so that the flanging precision is low; in addition, when the hem board compressed tightly the plastic bag downwards, air was left in the space that plastic bag and hem groove enclosed, when the hem board continued to compress tightly downwards, this part air can be discharged from the hem inslot from bottom to top, so can influence the laminating heating process of conducting strip and plastic film, influences the hem effect then.

SUMMERY OF THE UTILITY MODEL

The utility model provides a flanging machine is used in plastic bag processing has solved the unfixed problem of the relative hem platform of plastic bag when the hem, has solved the problem that the air in plastic bag and hem groove enclosure closed the space among the prior art can't be smoothly discharged simultaneously. The technical effect of effectively fixing the plastic bag and smoothly discharging the air in the enclosed space of the plastic bag and the edge folding groove when the edge is folded is achieved, and the adopted technical scheme is as follows:

a flanging machine for processing plastic bags comprises a base, a support frame connected with two sides of the base, and a hydraulic cylinder, a pressing plate, a flanging plate and a flanging platform which are arranged on the support frame, wherein the end part of a piston rod of the hydraulic cylinder penetrates through the support frame and is connected with the top surface of the pressing plate, the bottom surface of the pressing plate is provided with the flanging plate, the flanging platform is arranged on the base, a flanging groove is arranged on the platform at the position corresponding to the position of the flanging plate, a heating mechanism is also arranged in the flanging groove and comprises a heating wire and a heat conducting sheet, the heating wire is arranged on the inner side wall of the flanging groove, the heat conducting sheet is arranged on one side of the heating wire far away from the inner side wall of the flanging groove, a ventilation structure is arranged in the flanging platform, an air outlet of the ventilation structure is arranged on the side wall of the flanging platform, the heat conducting sheet is provided with a plurality of second vent holes.

On the basis of the technical scheme, a plurality of pressing devices which are uniformly distributed are further arranged on the bottom surface of the pressing plate and comprise springs and pressing blocks, and one ends of the springs are connected with the bottom surface of the pressing plate, while the other ends of the springs are connected with the pressing blocks.

On the basis of the technical scheme, the iron sheet is embedded in the bottom surface of the pressing block, and the magnet is arranged at the corresponding position of the top surface of the flanging platform.

On the basis of the technical scheme, the pressing plate further comprises a guide post, the guide post is arranged in the spring, and one end of the guide post is connected with the bottom surface of the pressing plate.

On the basis of the technical scheme, the axes of the first through hole and the second through hole are overlapped, and the heating wires are distributed at equal intervals along the heat conducting sheet.

On the basis of the technical scheme, the pressing plate is internally provided with a cavity, the bottom surface of the pressing plate is provided with a plurality of third through holes communicated with the cavity, the pressing plate further comprises a fan, and an air outlet of the fan is communicated with the cavity.

Advantageous effects

The utility model discloses the inside of well hem platform is equipped with ventilation structure, and be equipped with the first air vent of a plurality of and ventilation structure intercommunication on the hem groove, and also be equipped with a plurality of second air vent on the thermal conductance piece of hem inslot, so when the plastic bag of hem board on with the hem groove support downwards to press and finally make the in-process of plastic bag and thermal conductance piece laminating, air in the space that plastic bag and hem groove enclose is via the second through-hole, ventilation structure in first through-hole and the hem platform discharges, resistance when can reducing the hem board downstream, prevent simultaneously that the air from getting rid of from the gap between the lateral wall in plastic bag and the thermal conductance piece from bottom to top, thereby influence the heat setting effect of thermal conductance piece to the plastic bag. In addition, the arrangement of the first through hole, the second through hole and the ventilation structure can dissipate heat of the electric heating wire, so that the plastic bag is prevented from being melted due to overhigh temperature of the heat conducting sheet, and the yield is improved.

The utility model discloses the both sides of well hem board are equipped with a plurality of evenly distributed's closing device, so can play the effect of location plastic bag when the hem, thereby guarantee higher hem vestige precision, the bottom surface of briquetting inlays among the closing device in addition is equipped with the iron sheet, and the corresponding position department of hem platform top surface is equipped with magnet, so when the hem board is close the plastic film, the briquetting is prior to hem board and plastic bag contact, play the effect that compresses tightly the location, when this limit process is accomplished, when the hem board upwards packed up, after hem board and plastic bag separation, so can prevent plastic bag and hem board adhesion.

The utility model discloses be equipped with the cavity in the well clamp plate, just the clamp plate bottom surface be equipped with a plurality of with the third through-hole of cavity intercommunication still includes the fan, the air outlet and the cavity of fan are together with. Therefore, the plastic bags are always paved on the flanging platform under the action of downward wind power in the process of downward movement of the flanging plate, so that the equipment is facilitated to operate.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawing in the following description is only an embodiment of the invention, and that for a person skilled in the art, other embodiments can be derived from the drawing provided without inventive effort.

FIG. 1: the structure of the utility model is shown schematically;

FIG. 2: the structure of the edge folding groove on the middle edge folding platform of the utility model is shown schematically;

FIG. 3: the utility model is a bottom view of the middle pressure plate;

Detailed Description

The invention will be further described with reference to the following figures and examples:

reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

As shown in fig. 1-3, a folding machine for processing plastic bags comprises a base 1, a support frame 2 connected with two sides of the base 1, a hydraulic cylinder 3, a pressing plate 4, a folding plate 5 and a folding platform 6 arranged on the support frame 2, wherein the end of a piston rod of the hydraulic cylinder 3 passes through the top surface of the support frame 2 and is welded with the top surface of the pressing plate 4, the folding plate 5 is welded on the bottom surface of the pressing plate 4, the folding platform 6 is fixedly connected on the base 1, a folding groove 7 is arranged on the folding platform 6 corresponding to the folding plate 5, a heating mechanism is further arranged in the folding groove 7, the heating mechanism comprises an electric heating wire 8 and a heat conducting sheet 9, the electric heating wire 8 is arranged on the inner side wall of the folding groove 7, the electric heating wire 8 is heated by a power supply, the heat conducting sheet 9 is arranged on one side of the electric heating wire 8 far away from the inner side wall of the folding, the air outlet of the ventilation structure 61 is arranged on the side wall of the flanging platform 6, the flanging groove 7 is provided with a plurality of first air vents 71 communicated with the ventilation structure 61, and the heat conducting sheet 9 is provided with a plurality of second air vents 91. The bottom surface of clamp plate 4 still is equipped with a plurality of evenly distributed's closing device, closing device includes spring 10 and briquetting 11, the one end of spring 10 is connected the other end with the clamp plate 4 bottom surface and is connected with briquetting 11. The spring pressing device further comprises a guide post 12, wherein the guide post 12 is arranged in the spring 10, and one end of the guide post 12 is welded with the bottom surface of the pressing plate 4. And an iron sheet is embedded in the bottom surface of the pressing block 11, and a magnet is arranged at the corresponding position of the top surface of the flanging platform 6. The axes of the first vent holes 71 and the second vent holes 91 are overlapped, the heating wires 8 are distributed at equal intervals along the heat conducting sheet 9, the first vent holes 71 are distributed on the lower half part of the folding groove 7, and the corresponding second vent holes 91 are distributed on the lower half part of the heat conducting sheet 9.

The working principle is as follows: the plastic bag to be hemmed is placed on a hemming groove 7 of a hemming platform 6, a hemming plate 5 moves downwards under the driving of a hydraulic cylinder 3, wherein an iron sheet on a pressing block 11 in a pressing device contacts with the plastic bag before the hemming plate 5 under the magnetic attraction, then the hemming plate 5 moves downwards to enable the plastic bag to be attached to a heat conducting sheet 9, the heat conducting sheet 9 heats and shapes hemming traces, in the process, air in a space formed by the plastic bag and the hemming groove 7 in a surrounding mode is discharged through a second vent hole 91, a first vent hole 71 and a ventilation structure 61 in the hemming platform 6, then the hemming plate 5 moves upwards to be folded, the pressing block 11 is separated from the plastic bag after the hemming plate 5, and therefore the plastic bag can be prevented from being adhered to the hemming plate 5, and the next hemming operation is guaranteed to be carried out smoothly.

The present invention has been described above by way of example, but the present invention is not limited to the above-mentioned embodiments, and any modification or variation based on the present invention is within the scope of the present invention.

Claims

1. A flanging machine for processing plastic bags comprises a base (1), a support frame (2) connected with two sides of the base (1), a hydraulic cylinder (3), a pressing plate (4), a flanging plate (5) and a flanging platform (6) which are arranged on the support frame (2), wherein the end part of a piston rod of the hydraulic cylinder (3) penetrates through the top surface of the support frame (2) and is connected with the top surface of the pressing plate (4), the bottom surface of the pressing plate (4) is provided with the flanging plate (5), the flanging platform (6) is arranged on the base (1), a flanging groove (7) is arranged on the flanging platform (6) corresponding to the position of the flanging plate (5), a heating mechanism is also arranged in the flanging groove (7), and the flanging machine is characterized in that the heating mechanism comprises a heating wire (8) and a heat conducting sheet (9), the heating wire (8) is arranged on the inner side wall of the flanging groove (7), the heat conducting sheet (9) is arranged on one side, far away from the inner side wall of the flanging groove (7, and a ventilation structure (61) is arranged in the flanging platform (6), an air outlet of the ventilation structure (61) is arranged on the side wall of the flanging platform (6), a plurality of first air vents (71) communicated with the ventilation structure (61) are arranged on the flanging groove (7), and a plurality of second air vents (91) are arranged on the heat conducting sheet (9).

2. The flanging machine for processing the plastic bags according to claim 1, wherein the bottom surface of the pressing plate (4) is further provided with a plurality of uniformly distributed pressing devices, each pressing device comprises a spring (10) and a pressing block (11), one end of each spring (10) is connected with the bottom surface of the pressing plate (4), and the other end of each spring is connected with the pressing block (11).

3. A flanging machine for processing plastic bags according to claim 2, characterized in that iron pieces are embedded in the bottom surface of the pressing block (11), and magnets are arranged at corresponding positions on the top surface of the flanging platform (6).

4. A flanging machine for processing plastic bags according to claim 2, further comprising a guide post (12), wherein the guide post (12) is arranged in the spring (10) and one end of the guide post (12) is connected with the bottom surface of the pressure plate (4).

5. A flanging machine for processing plastic bags according to claim 4, characterized in that the axes of said first (71) and second (91) ventilation holes coincide and the heating wires (8) are equally spaced along the heat conducting sheet (9).

6. A flanging machine for processing plastic bags according to claim 4, characterized in that a cavity is arranged in the pressure plate (4), a plurality of third venting holes communicated with the cavity are arranged on the bottom surface of the pressure plate (4), and the flanging machine further comprises a fan, and an air outlet of the fan is communicated with the cavity.