CN215881817U

CN215881817U - Thermal cutting and cutting structure of PE film blow molding machine

Info

Publication number: CN215881817U
Application number: CN202122314822.5U
Authority: CN
Inventors: 王金兰
Original assignee: Wuhu Starting Point Packaging Co ltd
Current assignee: Wuhu Starting Point Packaging Co ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-02-22
Anticipated expiration: 2031-09-18

Abstract

The utility model provides a hot cutting and cutting structure of a PE film blow molding machine, which comprises a conveyor belt, a control box body and a cutting blade, wherein rotating shafts are arranged on the inner walls of two sides of the conveyor belt, mounting frames are arranged on two sides of the two rotating shafts, the control box body is of an arch structure, the control box body is mounted at the upper ends of the two mounting frames, a first electric control cylinder is mounted at the center of the upper end in the control box body, second electric control cylinders are further mounted at two sides of the first electric control cylinder, a first connecting plate is mounted at the lower end of an output shaft of the first electric control cylinder, a mounting tool rest is mounted at the upper end of the cutting blade, second connecting plates are mounted at the lower ends of the two second electric control cylinders, a fixing strip block is mounted at the lower end of each second connecting plate, a controller is mounted at the upper end of the control box body, and the device can realize accurate fixed cutting of a PE film, the error is reduced to the maximum extent, and the market requirement of high precision is met.

Description

Thermal cutting and cutting structure of PE film blow molding machine

Technical Field

The utility model relates to the technical field of PE film preparation, in particular to a hot slitting and cutting structure of a PE film blow molding machine.

Background

The PE film is a film 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 occupy more and more shares in the market, 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; in the preparation of the PE film, a heat splitting machine of a blow molding machine is generally required in industrial production, for example, patent No. CN200920316285.4, which provides a splitting machine with convenient maintenance and adjustment, long service life, high labor productivity and wide application range;

however, when the existing thermal cutting machine is used for cutting the PE film, the PE film may swing to a small extent in the cutting process, so that the position of the thermal cutting piece contacting the cloth strip is changed, the size of the PE film is deviated, and the high-precision market requirement cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a thermal cutting and cutting structure of a PE film blow molding machine, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

a hot slitting and cutting structure of a PE film blow molding machine comprises a conveyor belt, a control box body and slitting blades, wherein rotating shafts are arranged on the inner walls of the two sides of the conveyor belt, mounting frames are arranged on the two sides of the rotating shafts, a driving motor is installed at the front end of one side of the mounting frames, an output shaft of the driving motor is connected with one rotating shaft, the control box body is of an arch structure, the control box body is installed at the upper ends of the two mounting frames, the control box body is of a hollow structure, three openings are formed in the lower end of the control box body, a first electric control cylinder is installed at the center of the upper end in the interior of the control box body, second electric control cylinders are further installed on the two sides of the first electric control cylinder, a first connecting plate is installed at the lower end of the output shaft of the first electric control cylinder, an installation tool rest is installed at the upper end of the slitting blades, and second connecting plates are installed at the lower ends of the two second electric control cylinders, the fixed strip piece is installed to the lower extreme of second connecting plate, the controller is installed to the upper end of control box, first automatically controlled cylinder and two automatically controlled cylinders of second all realize the electricity with the controller and are connected.

Furthermore, the upper end of the control box body is provided with an installation cover plate, and the installation cover plate is connected with the control box body through four fixing bolts.

Furthermore, soft rubber mats are pasted at the lower ends of the two fixing strip blocks.

Furthermore, the two sides of the control box body are provided with three sliding grooves, the two sides of the first connecting plate and the two sides of the second connecting plate are rotatably connected with idler wheels, and the idler wheels are located in the sliding grooves.

Further, there is the insertion groove lower extreme of first connecting plate, the front side both sides of first connecting plate are provided with the fixed slot, two the fixed slot link up with the insertion groove mutually, the front end both sides of installation knife rest all are provided with the holding tank, two all install compression spring in the holding tank, compression spring's front side install with fixed slot assorted fixed block.

Furthermore, one end of the outer side of the fixing block is of a slope structure inclined from top to bottom.

Further, the holding tank is inside to be protruding type structure, the confinement ring is installed at the inside one side of holding tank to the fixed block.

Compared with the prior art, the utility model has the beneficial effects that:

this device can realize accurate fixed cutting of PE membrane, at first place the PE membrane on the conveyer belt, later make driving motor discontinuity function, make the PE membrane transport to inside the control box, driving motor stop operation, first automatically controlled cylinder and the automatically controlled cylinder operation of second this moment, thereby make the both sides of fixed billet fixed PE membrane, the accurate cutting is realized to rethread slitting blade, later first automatically controlled cylinder and the automatically controlled cylinder operation of second drive slitting blade and fixed billet rise, the PE membrane that the driving motor operation will be cut is carried continuously, and the control frequency through the steerable first automatically controlled cylinder of controller and the automatically controlled cylinder of second, the at utmost reduces the error, reach the market requirement of high accuracy.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of the interior of the control housing of the present invention;

FIG. 3 is a cut-away cross-sectional view of the inner wall of the control box and the first link plate of the present invention;

FIG. 4 is a cross-sectional view of a first connector plate and mounting tool holder of the present invention;

in the figure: 1. a conveyor belt; 2. a controller; 3. a first electrically controlled cylinder; 4. a control box body; 5. a second electrically controlled cylinder; 6. a first connecting plate; 7. installing a tool rest; 8. a slitting blade; 9. fixing the bar block; 11. a drive motor; 12. a mounting frame; 41. installing a cover plate; 42. a sliding groove; 51. a second connecting plate; 61. a roller; 62. fixing grooves; 63. inserting the groove; 71. accommodating grooves; 72. a compression spring; 73. a fixed block; 74. a confinement ring.

Detailed Description

In order to facilitate an understanding of the utility model, the utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the utility model are shown, but which may be embodied in different forms and not limited to the embodiments described herein, but which are provided so as to provide a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the knowledge of the terms used herein in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-4, the present invention provides a technical solution: a hot slitting and cutting structure of a PE film blow molding machine comprises a conveyor belt 1, a control box body 4 and a slitting blade 8, wherein rotating shafts are arranged on the inner walls of the two sides of the conveyor belt 1, two mounting frames 12 are arranged on the two sides of the rotating shafts, a driving motor 11 is installed at the front end of one side of each mounting frame 12, an output shaft of the driving motor 11 is connected with one rotating shaft, the control box body 4 is of an arch structure, the control box body 4 is installed at the upper ends of the two mounting frames 12, the control box body 4 is of a hollow structure, the lower end of the control box body is provided with three openings, a first electric control cylinder 3 is installed at the center of the upper end in the control box body 4, second electric control cylinders 5 are installed on the two sides of the first electric control cylinder 3, a first connecting plate 6 is installed at the lower end of the output shaft of the first electric control cylinder 3, and a mounting knife rest 7 is installed at the upper end of the slitting blade 8, the lower ends of the two second electric control cylinders 5 are respectively provided with a second connecting plate 51, the lower end of the second connecting plate 51 is provided with a fixed strip block 9, the upper end of the control box body 4 is provided with a controller 2, the first electric control cylinder 3 and the two second electric control cylinders 5 are electrically connected with the controller 2, the device can realize the accurate fixed cutting of the PE film, firstly, the PE film is placed on the conveyor belt 1, then, the driving motor 11 is enabled to operate discontinuously, the PE film is conveyed into the control box body 4, the driving motor 11 stops operating, at the moment, the first electric control cylinder 3 and the second electric control cylinder 5 operate, so that the fixed strip blocks 9 fix the two sides of the PE film, then, the accurate cutting is realized through the cutting blade 8, then, the first electric control cylinder 3 and the second electric control cylinder 5 operate to drive the cutting blade 8 and the fixed strip blocks 9 to ascend, the driving motor 11 operates to continuously convey the cut PE film, and the control frequency of the first electric control cylinder 3 and the second electric control cylinder 5 can be controlled through the controller 2, so that the error is reduced to the greatest extent, and the market requirement of high precision is met.

Please refer to fig. 1 again, the upper end of the control box 4 is provided with an installation cover plate 41, the installation cover plate 41 is connected with the control box 4 through four fixing bolts, the control box 4 is detached through the installation cover plate 41, and the internal parts are detected and maintained, so as to increase convenience.

Please refer to fig. 2, wherein the lower ends of the two fixing bars 9 are both adhered with soft rubber pads, so that the friction resistance can be increased through the soft rubber pads, and the fixing bars 9 can better fix the PE film.

Please refer to fig. 3 again, three sliding grooves 42 are formed on two sides of the control box 4, rollers 61 are rotatably connected to two sides of the first connecting plate 6 and the second connecting plate 51, the rollers 61 are located in the sliding grooves 42, and the rollers 61 and the sliding grooves 42 are matched to maintain the stability of the first connecting plate 6 and the second connecting plate 51, so that the lifting operation is not swayed.

Referring to fig. 3 and 4 again, the lower end of the first connecting plate 6 is provided with an insertion groove 63, fixing grooves 62 are formed at both sides of the front side of the first connecting plate 6, the two fixing grooves 62 are communicated with the insertion groove 63, both sides of the front end of the mounting tool rest 7 are provided with accommodating grooves 71, both accommodating grooves 71 are internally provided with compression springs 72, a fixing block 73 matched with the fixing groove 62 is installed at the front side of the compression spring 72, and by inserting the mounting tool holder 7 into the insertion groove 63, and the fixing block 73 is popped out to be fixed in the fixing groove 62 by the force of the compression spring 72, thereby realizing convenient connection of the two, and the fixing block 73 in the fixing groove 62 is pressed to be retracted, then the mounting knife rest 7 is pulled out, therefore, the first connecting plate 6 and the mounting tool rest 7 can be conveniently detached, and the slitting blade 8 can be conveniently replaced; one end of the outer side of the fixing block 73 is of a slope structure inclined from top to bottom, and when the mounting tool rest 7 is in butt joint with the first connecting plate 6, the fixing block 73 of the structure does not need to be pressed in advance; the inside of the accommodating groove 71 is of a convex structure, the limiting ring 74 is installed on one side of the inside of the accommodating groove 71 of the fixing block 73, the moving range of the fixing block 73 can be limited through the limiting ring 74, and the fixing block 73 is prevented from being separated from the accommodating groove 71.

The specific operation mode of the utility model is as follows:

at first place the PE membrane on conveyer belt 1, later make driving motor 11 discontinuity function, make the PE membrane transport to control box 4 inside, driving motor 11 stops the function, first automatically controlled cylinder 3 and the automatically controlled cylinder 5 of second function this moment operate, thereby make the both sides of fixed strip piece 9 fixed PE membrane, accurate cutting is realized to rethread slitting blade 8, later first automatically controlled cylinder 3 and the automatically controlled cylinder 5 function of second drive slitting blade 8 and fixed strip piece 9 rise, driving motor 11 function will cut the PE membrane of good and continue to carry, and the control frequency of steerable first automatically controlled cylinder 3 and the automatically controlled cylinder 5 of second through controller 2, the at utmost reduces the error, reach the market requirement of high accuracy.

The utility model is described above with reference to the accompanying drawings, it is obvious that the utility model is not limited to the above embodiments, and it is within the scope of the utility model to adopt the method concept and technical solution of the utility model to make such insubstantial modifications, or to directly apply the concept and technical solution of the utility model to other applications without any modification.

Claims

1. The utility model provides a structure is cuted in heat of PE membrane blowing machine, includes conveyer belt (1) and control box (4) and slitting blade (8), its characterized in that, the both sides inner wall of conveyer belt (1) is provided with the axis of rotation, two the both sides of axis of rotation are provided with mounting bracket (12), driving motor (11) are installed to one side front end of mounting bracket (12), the output shaft and a axis of rotation of driving motor (11) are connected, control box (4) are domes, control box (4) are installed in the upper end of two mounting brackets (12), control box (4) are hollow structure, and the lower extreme is provided with three opening, first automatically controlled cylinder (3) is installed at the inside upper end center of control box (4), second automatically controlled cylinder (5) are still installed to the both sides of first automatically controlled cylinder (3), first connecting plate (6) are installed to the output shaft lower extreme of first automatically controlled cylinder (3), installation knife rest (7), two are installed to the upper end of slitting blade (8) second connecting plate (51) are all installed to the lower extreme of second automatically controlled cylinder (5), fixed strip piece (9) are installed to the lower extreme of second connecting plate (51), controller (2) are installed to the upper end of control box (4), first automatically controlled cylinder (3) and two automatically controlled cylinders of second (5) all realize the electricity with controller (2) and are connected.

2. A hot slitting and cutting structure of a PE film blow molding machine according to claim 1, characterized in that the upper end of the control box body (4) is provided with a mounting cover plate (41), and the mounting cover plate (41) is connected with the control box body (4) through four fixing bolts.

3. The thermal slitting and cutting structure of the PE film blow molding machine according to claim 1, wherein soft rubber pads are attached to the lower ends of both the fixing bar blocks (9).

4. A hot slitting and cutting structure of a PE film blow molding machine according to claim 1 characterized in that three sliding grooves (42) are provided on both sides of the control box (4), and rollers (61) are rotatably connected on both sides of the first connecting plate (6) and the second connecting plate (51), and the rollers (61) are located in the sliding grooves (42).

5. The hot slitting and cutting structure of the PE film blow molding machine according to claim 1, wherein the lower end of the first connecting plate (6) has an insertion groove (63), the two sides of the front side of the first connecting plate (6) are provided with fixing grooves (62), two fixing grooves (62) are communicated with the insertion groove (63), the two sides of the front end of the mounting tool holder (7) are provided with receiving grooves (71), two receiving grooves (71) are mounted with compression springs (72), and the front side of the compression springs (72) is mounted with fixing blocks (73) matched with the fixing grooves (62).

6. The thermal slitting and cutting structure of the PE film blowing machine according to claim 5, wherein an end of an outer side of the fixing block (73) is a slope structure inclined from top to bottom.

7. A hot slitting and cutting structure of a PE film blow molding machine as claimed in claim 5, characterized in that said accommodating groove (71) is of a convex type inside, and said fixing block (73) is provided with a limiting ring (74) at one side inside the accommodating groove (71).