CN203863699U - Cylindrical thin film cutting device - Google Patents

Abstract

The utility model proposes a cylindrical film cutting device, which includes a base, a support plate is respectively arranged at the left and right ends of the base, and a bearing assembly is arranged on each support plate, and the bearing assembly is composed of two bearings. They are respectively fixed on the support plate by bolts horizontally, the two bearings are arranged in parallel, a support groove is formed between the two bearings, and a limit sleeve is placed between the two bearing assemblies, and the limit sleeve is supported by the bearing assembly Groove support; a cutting knife is correspondingly arranged on the rear side of the limit sleeve, and the cutting knife is fixed on the first fixing plate on the base through a screw; the left and right ends of the base behind the cutting knife are respectively provided with a second For the fixed plate and the third fixed plate, a waist-shaped hole is correspondingly provided on the two fixed plates respectively, two guide rods are placed between the two waist-shaped holes, and a cutting knife is supported between the two guide rods. The device is easy to operate, can quickly and accurately realize film cutting, and saves costs.

Description

A cylindrical film cutting device

technical field

The utility model relates to the field of plastic film processing equipment, in particular to a cylindrical film cutting device.

Background technique

At present, many products in daily life need to be packaged with films, especially cylindrical films are widely used. Tubular film is a double-layer film, mostly in the form of one end cut open and the other end closed or both ends closed. The existing cutting technology is: first unfold the film on a plane, then cut it along the fold line, and finally Cut it to desired length. This cutting method is time-consuming and labor-intensive, and it is difficult to ensure that the cutting parts are neat and uniform, and the film is often wasted due to damage during the cutting process, which increases the cost.

Contents of the invention

In order to realize rapid and uniform cutting of the tubular film, the invention proposes a device for cutting the tubular film.

For this reason, the technical solution of the utility model is: a cylindrical film cutting device, including a base, characterized in that: a support plate is provided at the left and right ends of the base, and a bearing assembly is provided on each support plate. The bearing assembly is composed of two bearings fixed horizontally on the support plate by bolts respectively, the two bearings are arranged in parallel, a support groove is formed between the two bearings, and a limit sleeve is placed between the two bearing assemblies at both ends. The limit sleeve is supported by the support groove of the bearing assembly; a cutting knife is correspondingly provided on the rear side of the limit sleeve, and the cutting knife is fixed on the first fixing plate on the base through a screw rod. It is composed of the first pressing plate, the second pressing plate and the blade set between the two pressing plates. There is a guide plate at the front end of the first pressing plate; the second fixing plate and the second fixing plate are respectively arranged at the left and right ends of the base behind the cutting knife. Three fixed plates, two fixed plates are respectively provided with a waist-shaped hole, two guide rods are placed between the two waist-shaped holes, a cutting knife is supported between the two guide rods, and the cutting knife is composed of the third pressing plate, the first It consists of four pressing plates and blades arranged between the two pressing plates, and the third pressing plate and the fourth pressing plate are connected by bearings.

An improvement to the above technical solution is: for the convenience of movement, a universal wheel is provided at one end of the base, the universal wheel is installed at the bottom of the base, and an armrest is provided at the opposite end of the base to the universal wheel.

An improvement to the above technical solution is: in order to make the film in a horizontal position after being pulled apart and to ensure that the cutting line is neat, a guide rod is correspondingly provided between the limiting sleeve and the cutting knife, and the guide rod is fixed on the bottom of the base. ends.

An improvement to the above technical solution is: in order to keep the film in a fixed state during cutting and improve cutting accuracy, two limit baffles are arranged at one end of the limit sleeve, and between the two limit baffles Correspondingly, there is an anti-rotation pressure plate pin. The anti-rotation pressure plate pin is composed of a front bracket, a rear bracket and an anti-rotation pressure plate. The anti-rotation pressure plate is wrapped on the limit sleeve, and one end of the anti-rotation pressure plate is placed on the front bracket. The other end of the frame is linked with the rear bracket by bolts, and the front and rear brackets are respectively fixed on the base.

A further improvement to the above technical solution is: in order to prevent the relative rotation of the limiting sleeve in the anti-rotation pressure plate, a limiting boss is provided between the two limiting baffles of the limiting sleeve.

Another improvement to the above technical solution is: in order to make the two guide rods installed in the waist-shaped hole in the form of one high and one low, a drop is formed between the two rods, so that the guide rods passing through between the two guide rods When the film is cut, it is in a horizontal position to ensure the neatness and uniformity of the incision, and the waist-shaped holes on the second and third fixing plates are arranged obliquely. the

Yet another improvement to the above technical solution is: in order to improve the convenience of use, a handle is provided at the rear end of the third pressing plate.

Instructions:

When in use, put the film roll on the limit sleeve; pull one end of the film roll through the guide rod and enter the cutting knife, so that the guide plate on the cutting knife extends into the double-layer film, and the film is controlled by the guide plate. Seal or guide the folding line, continue to pull the film forward, so that the cutting knife can cut it along the folding line of the film; when the film reaches the required length, put down the anti-rotation pressure plate pin to compress the limit sleeve, so that The film roll on the limit sleeve stops rotating, and the film is passed through the two guide rods under the cutting knife, and the bearing provided on the cutting knife presses the film. The film can be cut.

Beneficial effect:

In the utility model, the film roll is positioned through the limit sleeve, and the set guide bar prevents the film from being pulled up and down from being kept at a horizontal position to affect the cutting effect. The folded line is self-aligned to prevent it from being crooked. The device is easy to operate, can quickly and accurately realize film cutting, and saves costs.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the structural representation of part 4 in Fig. 1;

Fig. 3 is the structural representation of part 8 in Fig. 1;

Fig. 4 is the structural representation of part 10 in Fig. 1;

Fig. 5 is the structural representation of part 15 in Fig. 1;

Fig. 6 is the structural representation of part 22 in Fig. 1;

FIG. 7 is a schematic structural diagram of the part 29 or the part 30 in FIG. 1 .

The labels in the figure are: 1. Base; 2. Handrail; 3. Universal wheel; 4. Bearing assembly; 5. Rolling bearing; 6. Support plate; 7. Bolt; 8. Limiting sleeve; 9. Limiting stop 10, anti-rotation pressure plate pin; 11, front support; 12, rear support; 13, anti-rotation pressure plate; 14, guide rod; 15, cutting knife; 16, the first pressure plate; 17, the second pressure plate; 18, Cutting blade; 19, screw rod; 20, the first fixed plate; 21, guide plate; 22, cutting knife; 23, the third pressing plate; 24, the fourth pressing plate; 25, cutting blade; 26, handle; 27, bearing; 28, guide rod; 29, the second fixed plate; 30, the third fixed plate; 31, the waist hole; 32, the limit boss.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is further described.

As shown in Figures 1-7, a cylindrical film cutting device includes a base 1, the base 1 is a frame structure welded by four steel plates horizontally and vertically, and a support is welded at the left and right ends of the base 1 Plate 6, a bearing assembly 4 is installed on each support plate, the bearing assembly 4 is formed by fixing two rolling bearings 5 on the support plate 6 horizontally through a bolt 7 respectively, the two rolling bearings 5 are arranged in parallel, and the two A support groove is formed between the rolling bearings 5; a limit sleeve 8 is placed between the two bearing assemblies at both ends of the base 1, and the two ends of the limit sleeve 8 are respectively placed in the support grooves on the two bearing assemblies Among them, the limit sleeve 8 is supported by the support groove so that it can rotate with the rolling bearing; in order to accurately limit the position of the limit sleeve 8, a groove is correspondingly provided on the top of each support plate.

Correspondingly, a cutting knife 15 is installed at the rear of the limit sleeve 8, and the cutting knife 15 is made up of a first pressing plate 16, a second pressing plate 17 and a cutting blade 18 arranged between two pressing plates; The front end of the pressing plate 16 is welded with a guide plate 21, which is inserted into the double-layer film during use to guide the fold line of the film to prevent the cutting from being crooked; the cutting knife 15 is fixed by the screw rod 19 at the rear end of the first pressing plate 16 On the first fixed plate 20 on the base 1 .

A cutting knife 22 is also installed at the rear of the cutting knife 15, and the cutting knife 22 is made up of the third pressing plate 23, the fourth pressing plate 24 and the cutting blade 25 installed between the two pressing plates, the third pressing plate 23 and the fourth pressing plate The pressing plates 24 are connected by two sets of bearings 27 , and the cutting knife 22 is supported between the two guide rods 28 through the bearings 27 on both sides of the third pressing plate 23 and the fourth pressing plate 24 . Among them, the front group of bearings prevents the cutting knife from falling out from between the two guide rods when using too much force, and at the same time plays the role of pressing the film; The effect of upward protruding between the root guide rods. Two guide rods 28 are arranged in parallel, and the two ends of guide rods 28 are respectively installed in the waist-shaped holes 31 on the second fixed plate 29 and the third fixed plate 30, and the second fixed plate 29 and the third fixed plate 30 are correspondingly welded on Both ends of base 1.

As shown in Figure 1, in order to facilitate the device to be moved, two universal wheels 3 are installed at one end of the base 1, and the two universal wheels are respectively installed on the side walls of the two legs of the base, on the base 1 and An armrest 2 is installed on the opposite end of the universal wheel 3. the

As shown in Figure 1, in order to make the film in a horizontal position after being pulled apart to ensure that the cutting line is neat, a guide rod 14 is correspondingly installed between the limit sleeve 8 and the cutting knife 15, and the guide rod 14 is fixed on the bottom of the base 1. ends.

As shown in Figure 1, in order to keep the film in a fixed state when cutting and improve the cutting accuracy, two circular limit baffles 9 are welded at one end of the limit sleeve 8 (as shown in Figure 3, near the two One end of the circular limit baffle 9 is also welded with a circular baffle to prevent the film roll from sliding on the limit sleeve during the pulling process), and an anti-rotation valve is installed between the two limit baffles 9 correspondingly. Pressure plate pin 10; anti-rotation pressure plate pin 10 is made up of front bracket 11, rear bracket 12 and anti-rotation pressure plate 13, anti-rotation pressure plate 13 is wrapped on the limit sleeve 8, and one end of anti-rotation pressure plate 13 is placed on the front bracket 11, The other end of the anti-rotation pressure plate 13 is linked with the rear bracket 12 through the bolt 7, and the front and rear brackets are correspondingly welded on the base 1 respectively.

As shown in FIG. 3 , in order to prevent the relative rotation of the limiting sleeve in the anti-rotation pressure plate, four limiting bosses 32 are provided between the two limiting baffles 9 of the limiting sleeve 8 .

As shown in Figure 7, in order to make the two guide rods 28 installed in the waist-shaped hole 31 be in the form of one high and one low, that is, a drop is formed between the two rods, so that the film that passes between the two guide rods It is in a horizontal position when cutting to ensure that the incision is neat and even. The waist-shaped holes 31 on the second fixing plate 29 and the third fixing plate 30 are arranged obliquely. the

As shown in FIG. 6 , in order to improve the convenience of use, a handle 26 is welded on the rear end of the third pressing plate 23 to facilitate the movement of the cutting knife 22 .

When in use, put the film roll on the limit sleeve; pull one end of the film roll through the guide rod and enter the cutting knife, so that the guide plate on the cutting knife extends into the double-layer film, and the film is controlled by the guide plate. Seal or guide the folding line, continue to pull the film forward, so that the cutting knife can cut it along the folding line of the film; when the film reaches the required length, put down the anti-rotation pressure plate pin to compress the limit sleeve, so that The film roll on the limit sleeve stops rotating, and the film is passed through the two guide rods under the cutting knife, and the bearing provided on the cutting knife presses the film. The film can be cut.

In the utility model, the film roll is positioned through the limit sleeve, and the set guide bar prevents the film from being pulled up and down from being kept at a horizontal position to affect the cutting effect. The folded line is self-aligned to prevent it from being crooked. The device is easy to operate, can quickly and accurately realize film cutting, and saves costs.

Claims (7)

1. A cylindrical film cutting device, comprising a base, characterized in that: a support plate is respectively provided at the left and right ends of the base, and a bearing assembly is arranged on each support plate, and the bearing assembly is composed of two The bearings are horizontally fixed on the support plate by bolts. The two bearings are arranged in parallel. A support groove is formed between the two bearings. A limit sleeve is placed between the two bearing assemblies at both ends. The limit sleeve passes through the bearing assembly. Supported by the formed support groove; a cutting knife is correspondingly provided on the rear side of the limit sleeve, and the cutting knife is fixed on the first fixing plate on the base through a screw rod. The cutting knife is composed of the first pressing plate, the second pressing plate and It consists of a blade set between two pressure plates. A guide plate is provided at the front end of the first pressure plate; a second fixed plate and a third fixed plate are respectively provided at the left and right ends of the base behind the cutting knife. The two fixed plates Correspondingly, a waist-shaped hole is provided, and two guide rods are placed between the two waist-shaped holes, and a cutting knife is supported between the two guide rods. The cutting knife is composed of the third pressing plate, the fourth pressing plate and the Between the blades, the third pressing plate and the fourth pressing plate are connected by bearings. 2. A cylindrical film cutting device according to claim 1, characterized in that: one end of the base is provided with a universal wheel, the universal wheel is installed on the bottom of the base, and the opposite end of the base to the universal wheel Features grab bars. 3 . The tubular film cutting device according to claim 1 , wherein a guide rod is correspondingly provided between the limiting sleeve and the cutting knife, and the guide rod is fixed at both ends of the base. 4 . 4. A cylindrical film cutting device according to claim 1, characterized in that two limit baffles are arranged at one end of the limit sleeve, and two limit baffles are correspondingly arranged between the two limit baffles. There are anti-rotation pressure plate pins, the anti-rotation pressure plate pin is composed of front bracket, rear bracket and anti-rotation pressure plate, the anti-rotation pressure plate is wrapped on the limit sleeve, one end of the anti-rotation pressure plate is placed on the front bracket, the other end of the anti-rotation pressure plate Linked with the rear bracket by bolts, the front and rear brackets are respectively fixed on the base. 5. A cylindrical film cutting device according to claim 1 or 4, characterized in that: a limiting boss is provided between the two limiting baffles of the limiting sleeve. 6. A cylindrical film cutting device according to claim 1, characterized in that: the waist-shaped holes on the second and third fixing plates are arranged obliquely. 7. A cylindrical film cutting device according to claim 1, wherein a handle is provided at the rear end of the third pressing plate.