CN211365134U - Film feeding mechanism capable of adjusting film feeding position and automatic thermal shrinkage film corner cutting equipment - Google Patents

Abstract

The utility model relates to a can adjust and send membrane mechanism and automatic pyrocondensation membrane corner cut equipment of membrane position. It includes: the two supports are arranged in parallel on the left and right, each support comprises a supporting plate at the middle, an installation notch is arranged in the middle of each supporting plate, the upper ends of the two supporting plates are connected with an upper base plate, the two ends of the upper base plate are respectively connected with the installation notches in a clamped mode and fixedly connected with the supporting plates, the upper base plate is provided with a longitudinal linear module, a moving block of the longitudinal linear module is connected with an upper base plate, the upper base plate is connected with an installation structure, a plurality of middle rollers used for adjusting the film discharging direction and an adjusting roller used for adjusting the film discharging width are arranged between the two supporting plates, the two ends of the adjusting roller are respectively fixedly connected with the supporting plates, adjusting rings are respectively sleeved at the two ends. The utility model discloses a set up linear module drive mounting structure and adjusting roller, can adjust the play membrane position, the adjustment is convenient.

Description

Film feeding mechanism and automatic heat shrinkable film angle cutting equipment that can adjust the film feeding position

technical field

The utility model relates to the technical field of automatic heat shrinkable film angle cutting equipment, in particular to a film feeding mechanism capable of adjusting the film feeding position and an automatic heat shrinkable film angle cutting equipment.

Background technique

With the development of society, people have higher and higher requirements for the packaging of items. In addition to setting a packaging box on the outside, a layer of plastic film should be packed outside the packaging box. , wrap a layer of plastic film in the length direction outside the box, and then use automatic heat shrinkable film corner cutting equipment to cut both sides of the length direction eagerly; during processing, the size of the box often changes, such as the width of the box. At this time, it is necessary to replace the roll film of the corresponding width, and adjust the position of the roll film, so that the film sent from the roll film can cover the packaging box, and there are eager lengths on both sides; When the automatic heat shrinkable film angle cutting equipment is to replace and adjust the roll film, the adjustment is complicated and affects the work efficiency.

SUMMARY OF THE INVENTION

In order to overcome the shortcomings and deficiencies existing in the prior art, the purpose of the present invention is to provide a film feeding mechanism capable of adjusting the film feeding position, the film feeding mechanism can be adjusted during the working process, the adjustment is fast, and the working efficiency.

Another object of the present invention is to provide an automatic heat shrinkable film corner cutting device, which has the above-mentioned film feeding mechanism.

In order to solve the above-mentioned technical problems, the utility model adopts the following technical solutions:

The film feeding mechanism that can adjust the film feeding position includes: two brackets arranged in parallel on the left and right, the bracket includes a support plate in the middle, the middle part of the support plate is provided with an installation gap, the upper ends of the two support plates are connected with an upper bottom plate, and the upper bottom plate The two ends are respectively clamped to the installation notch and fixedly connected with the bottom surface of the installation notch of the support plate through the connecting piece. The upper bottom plate is provided with a longitudinal linear module, and the moving block of the longitudinal linear module is connected with the upper substrate, so The upper base plate is connected with an installation structure for installing the roll film, and between the two support plates, there are several intermediate rollers for adjusting the direction of film discharge and an adjusting roller for adjusting the width of the film, the adjusting rollers The two ends of the adjusting roller are respectively fixedly connected with the supporting plates on both sides, the two ends of the adjusting roller are respectively sleeved with adjusting rings, the side surfaces of the adjusting rings are provided with threaded holes, and the threaded holes are connected with fastening bolts.

Further, a pressure roller assembly for measuring the film speed is provided between the two support plates. The pressure roller assembly includes a pressure roller. Both ends of the pressure roller are fixedly connected to the two support plates through bearings, and the pressure roller can be relatively supported. The plate rotates; one end of the pressing roller protrudes from the corresponding supporting plate and is connected with an induction block, and the supporting plate is connected with a photoelectric sensor matched with the induction block; the photoelectric sensor is connected with a processor; the pressing roller assembly also includes two A middle rod connected with a support plate, both ends of the middle rod are also fixedly connected to the two support plates through bearings, respectively, a rotating block is connected on both sides of the middle rod, and a fixed shaft is connected between the two rotating blocks, and the fixed shaft A plurality of abutting wheels are movably connected, the abutting wheels can rotate relative to the fixed shaft, a flexible ring is sleeved on the side of the abutting wheel, and a gap through which the plastic film passes is formed between the flexible ring and the pressing roller; the two supporting plates are respectively connected with Adjusting cylinders, each of which is connected to the rotating block through an intermediate transmission rod.

Further, the two ends of the installation roller are respectively sleeved with limit rings, and the side surfaces of the limit rings are provided with threaded holes and connected with claw bolts.

Preferably, the upper end surface of the installation roller is provided with a scale; when the size of the roll film is changed, the roll film needs to be re-fixed. The rings are respectively abutted with the roll film and clamped on the installation roller, and the adjustment is convenient.

Further, the installation structure includes vertical plates arranged on the left and right sides of the upper base plate and installation rollers for installing the roll film, the vertical groove is provided in the middle of the vertical plate, and the ends of the installation rollers protrude vertically. The two sides of the lower end of the vertical plate are respectively connected with transmission rollers for driving the roll film to rotate, and one end of the transmission roller extends out of the corresponding vertical plate and is connected with a driving mechanism.

Further, the drive mechanism includes an overdrive mechanism and a drive motor, the drive motor is connected to the drive roller through the drive mechanism, the drive mechanism includes a driven pulley connected to the drive roller, and the drive motor's rotating shaft is connected with a drive pulley, the drive pulley. Connected to the driven pulley by a belt.

Further, two sides of a driven pulley close to the driving motor are respectively provided with adjustment wheels, the adjustment wheels are connected with connecting shafts through bearings, the shaft connection shafts are fixed to the vertical plate, and the adjustment wheels are located outside the belt and abut against the belt.

Further, the longitudinal linear module includes a slide rail arranged on the upper bottom plate, and the moving block is slidably connected to the slide rail; one of the vertical plates is connected with a U-shaped handle.

An automatic heat shrinkable film corner cutting device includes the above-mentioned film feeding mechanism.

The beneficial effects of the utility model: the utility model can adjust the film exit position by setting the linear module drive installation structure and the adjusting roller, and the adjustment is convenient.

Description of drawings

Fig. 1 is a structural schematic diagram of the film feeding mechanism of the present invention.

FIG. 2 is a schematic diagram of a second viewing angle of FIG. 1 .

FIG. 3 is a schematic diagram of a third viewing angle of FIG. 1 .

FIG. 4 is a schematic diagram of the automatic heat shrinkable film corner cutting device of the present embodiment.

Reference numerals include:

1--bracket; 2--support plate; 3--adjusting roller; 4--intermediate roller; 5--adjusting ring; 6--upper base plate; 7--slide rail; 8--drive roller; 9-- Mounting roller; 10—limiting ring; 11—claw bolt; 12—vertical plate; 13—vertical groove; 14—adjustment wheel; 15—drive motor; 16—driven pulley; 17 ——upper base plate; 18——moving block; 19——photoelectric sensor; 20——induction block; 21——abutting wheel; 22——flexible ring; 23——driving pulley; 24——rotating block; 25 ——Press roller; 26——Intermediate rod; 27——Fixed shaft; 28——Intermediate transmission rod; 29——Adjusting cylinder; 100——Film feeding mechanism.

Detailed ways

In order to facilitate the understanding of those skilled in the art, the present utility model will be further described below with reference to the embodiments and the accompanying drawings, and the contents mentioned in the embodiments are not intended to limit the present utility model.

Please refer to FIGS. 1 to 3 , the film feeding mechanism 100 capable of adjusting the film feeding position includes: two brackets 1 arranged in parallel left and right, the bracket 1 includes a support plate 2 in the middle, and a mounting gap is provided in the middle of the support plate 2 , The upper ends of the two support plates 2 are connected with an upper bottom plate 6. The two ends of the upper bottom plate 6 are respectively clamped in the installation notch and fixedly connected with the bottom surface of the installation notch of the support plate 2 through the connecting piece. The upper bottom plate 6 is provided with a longitudinal linear Module, the moving block 18 of the longitudinal linear module is connected with the upper base plate 17, the upper base plate 17 is connected with the installation structure for installing the reel film, and there are several between the two support plates 2 for An intermediate roller 4 for adjusting the direction of film discharge and an adjusting roller 3 for adjusting the width of film discharge. Both ends of the adjusting roller 3 are fixedly connected to the support plates 2 on both sides respectively, and two ends of the adjusting roller 3 are respectively sleeved with adjusting rollers. Ring 5, the side of the adjusting ring 5 is provided with threaded holes, and the threaded holes are connected with fastening bolts (not shown in the figure).

In this technical solution, when adjusting the film feeding position, the installation structure can be conveyed to the approximate position through the longitudinal linear module first; since the adjustment roller 3 is relatively close to the position of the packaging box, the adjustment ring 5 can be adjusted appropriately; then start up and run , observe whether the film position corresponds to the packaging box, and how much the deviation is, and then stop the machine and directly adjust the two adjustment rings 5 to the appropriate position and fix it. Since the adjusting ring 5 is fixed by the tightening bolts on the side, when adjusting, it is only necessary to loosen the tightening bolts, and after adjustment, tighten the tightening bolts and abut with the adjusting roller 3; after adjusting the adjusting ring 5 , and then gradually adjust the installation mechanism of the roll film to a suitable position through the longitudinal linear module; the overall adjustment is convenient and does not need to be disassembled. The roll film refers to a roll with a plastic film rolled thereon. Bolts and the like can be used for connecting parts.

Further, a pressing roller assembly for measuring the film speed is provided between the two supporting plates 2. The pressing roller assembly includes a pressing roller 25. The two ends of the pressing roller 25 are respectively fixedly connected to the two supporting plates 2 through bearings. The roller 25 can rotate relative to the support plate 2; one end of the pressing roller 25 protrudes from the corresponding support plate 2 and is connected with the induction block 20, and the support plate 2 is connected with a photoelectric sensor 19 matched with the induction block 20; the photoelectric sensor 19 is connected There is a processor (not shown in the figure); the pressure roller assembly also includes a middle rod 26 connected with the two support plates 2, and the two ends of the middle rod 26 are also fixedly connected to the two support plates 2 through bearings, respectively. The two sides of the 26 are respectively connected with rotating blocks 24, and a fixed shaft 27 is connected between the two rotating blocks 24. The fixed shaft 27 is movably connected with a plurality of abutting wheels 21, and the abutting wheels 21 can rotate relative to the fixed shaft 27. A flexible ring 22 is sleeved on the side of the abutting wheel 21, and a gap for the plastic film to pass through is formed between the flexible ring 22 and the pressing roller 25; the two supporting plates 2 are respectively connected with adjusting cylinders 29, and each adjusting cylinder 29 passes through the middle transmission rod 28 is connected to the rotating block 24 .

During operation, the plastic film passes between the pressure roller 25 and the flexible ring 22. Due to the pressure of the flexible ring 22 on the plastic film, the plastic film will drive the pressure roller 25 to rotate. The induction block 20 rotates together, and the photoelectric sensor 19 senses the rotation frequency of the induction block 20 and sends its rotation signal to the processor. The processor calculates the rotation speed of the pressing roller 25 and the discharge speed of the plastic film. Secondly, in this technical solution, the size of the gap between the contact wheel 21 and the pressing roller 25 can be adjusted by adjusting the air cylinder 29. When adjusting again, the adjusting air cylinder 29 drives the rotating block 24 to rotate through the intermediate transmission rod 28, and the rotating block 24 uses the intermediate rod to rotate. 26 is the axis to rotate, and the fixed axis 27 also rotates relative to the axis, so as to adjust the gap between the contact wheel 21 and the pressing roller 25 and the pressure on the plastic film. Thirdly, by setting the flexible ring 22, the plastic film will not be pressed too tightly to avoid rupture. The flexible ring 22 can be a rubber ring or the like.

Further, the installation structure includes vertical plates 12 disposed on the left and right sides of the upper base plate 17 and installation rollers 9 for installing the roll film. The ends protrude from the vertical grooves 13, and the lower ends of the vertical plates 12 are respectively connected with drive rollers 8 for driving the film roll to rotate.

When installing the reel film, the technical solution is fixed by the installation roller 9, and when driving the reel film to rotate, two driving rollers 8 are used for driving, and in the specific implementation, the rotation directions of the two driving rollers 8 are the same; The driving mechanism drives the two transmission rollers 8 to rotate at a constant speed, then the linear speed of the reel film on the installation roller 9 is also uniform. 9 continuously moves down along the vertical groove 13 . The structure can control the film speed and uniform film output. The processor is also electrically connected with the driving mechanism, and controls the movement of the driving mechanism and the film output speed.

Further, the two ends of the mounting roller 9 are respectively sleeved with limiting rings 10 , and the side surfaces of the limiting rings 10 are provided with threaded holes and are connected with claw bolts 11 .

Preferably, the upper end surface of the installation roller 9 is provided with a scale; when the size of the roll film is changed, the roll film needs to be re-fixed. The limiting rings 10 are respectively abutted against the roll film, clamped on the installation roller 9, and the adjustment is convenient.

Further, the drive mechanism includes an overdrive mechanism and a drive motor 15, the drive motor 15 is connected to the drive roller 8 through the drive mechanism, the drive mechanism includes a driven pulley 16 connected to the drive roller 8, and the rotating shaft of the drive motor 15 is connected There is a driving pulley 23, and the driving pulley 23 is connected with the driven pulley 16 through a belt.

The technical solution adopts a belt transmission mechanism, and the driving motor 15 drives the two transmission rollers 8 to rotate at the same time; preferably, the belt transmission mechanism is a synchronous belt transmission mechanism, which drives the two transmission rollers 8 to rotate synchronously.

Further, two sides of a driven pulley 16 close to the driving motor 15 are respectively provided with adjustment wheels 14, the adjustment wheels 14 are connected with connecting shafts through bearings, the shaft connection shafts are fixed to the vertical plate 12, and the adjustment wheels 14 are located on the outer side of the belt And offset with the belt.

Since the two drive rollers 8 are generally arranged in parallel, the heights of the two driven pulleys 16 are basically the same. The contact area between the pulley 16 and the belt is small, and it is easy to slip; in order to avoid this phenomenon, the technical solution is provided with two adjustment wheels 14, and the two adjustment wheels 14 push the lower end of the belt upward, increasing the belt and the belt. The contact area of the driven pulley 16 .

Further, the longitudinal linear module includes a slide rail 7 disposed on the upper bottom plate 6, and the moving block 18 is slidably connected to the slide rail 7; one of the vertical plates 12 is connected with a U-shaped handle.

The U-shaped handle acts on the vertical plate 12 to push the installation structure to move, and the operation is convenient.

Longitudinal linear modules can also adopt other structures, such as screw-slider structures, linear motors, etc.

Referring to FIG. 4 , an automatic heat shrinkable film corner cutting device includes the above-mentioned film feeding mechanism 100 .

The above-mentioned embodiments are the preferred implementation solutions of the present invention. In addition, the present invention can also be realized in other ways. Any obvious replacements are within the protection scope of the present invention without departing from the concept of the technical solution. Inside.

Claims (8)

1. The film feeding mechanism that can adjust the film feeding position is characterized in that: it includes: two brackets arranged in parallel on the left and right, the bracket includes a support plate in the middle, the middle part of the support plate is provided with an installation gap, and the upper ends of the two support plates are connected. There is an upper bottom plate, the two ends of the upper bottom plate are respectively clamped in the installation gap and fixedly connected with the bottom surface of the installation gap of the support plate through the connecting piece, the upper bottom plate is provided with a longitudinal linear module, and the moving block of the longitudinal linear module An upper substrate is connected, and the upper substrate is connected with a mounting structure for installing the roll film, and between the two support plates, there are several intermediate rollers for adjusting the direction of film discharge and an adjustment for adjusting the width of the film. The two ends of the adjusting roller are respectively fixedly connected with the support plates on both sides, the two ends of the adjusting roller are respectively sleeved with adjusting rings, the sides of the adjusting rings are provided with threaded holes, and the threaded holes are connected with fastening bolts. 2 . The film feeding mechanism capable of adjusting the film feeding position according to claim 1 , wherein a pressing roller assembly for measuring the film speed is provided between the two support plates, and the pressing roller assembly comprises a pressing roller, 2 . Both ends of the pressure roller are fixedly connected with the two support plates through bearings, and the pressure roller can rotate relative to the support plate; one end of the pressure roller protrudes from the corresponding support plate and is connected with an induction block, and the support plate is connected with a photoelectric sensor matched with the induction block. sensor; the photoelectric sensor is connected with a processor; the pressing roller assembly also includes a middle rod connected with the two support plates, the two ends of the middle rod are also fixedly connected with the two support plates through bearings, and the two sides of the middle rod are respectively A rotating block is connected, a fixed shaft is connected between the two rotating blocks, the fixed shaft is movably connected with a plurality of abutting wheels, the abutting wheels can rotate relative to the fixed shaft, and a flexible ring is sleeved on the side of the abutting wheel, which is flexible. A gap through which the plastic film passes is formed between the ring and the pressing roller; two supporting plates are respectively connected with adjusting cylinders, and each adjusting cylinder is connected with the rotating block through an intermediate transmission rod. 3 . The film feeding mechanism capable of adjusting the film feeding position according to claim 2 , wherein the installation structure comprises vertical plates arranged on the left and right sides of the upper base plate and installation rollers for installing the roll film, 3 . The middle part of the vertical plate is provided with a vertical groove, the end of the installation roller protrudes from the vertical groove, the two sides of the lower end of the vertical plate are respectively connected with transmission rollers for driving the roll film to rotate, and one end of the transmission roller extends out of the corresponding The vertical plate is connected with a drive mechanism. 4. The film feeding mechanism capable of adjusting the film feeding position according to claim 3, wherein the two ends of the installation roller are respectively sleeved with limit rings, and the side faces of the limit rings are provided with threaded holes and connected There are claw bolts. 5 . The film feeding mechanism capable of adjusting the film feeding position according to claim 4 , wherein the driving mechanism comprises an over-transmission mechanism and a driving motor, and the driving motor is connected with the transmission roller through the transmission mechanism, and the transmission mechanism comprises 5 . The driven pulley is connected with the drive roller, and the rotating shaft of the driving motor is connected with a driving pulley, and the driving pulley is connected with the driven pulley through a belt. 6. The film feeding mechanism capable of adjusting the film feeding position according to claim 5 is characterized in that: two sides of a driven pulley close to the driving motor are respectively provided with adjustment wheels, and the adjustment wheels are connected with a connecting shaft through a bearing, and the shaft The connecting shaft is fixed on the vertical plate, and the adjusting wheel is located on the outer side of the belt and abuts against the belt. 7 . The film feeding mechanism capable of adjusting the film feeding position according to claim 6 , wherein the longitudinal linear module comprises a slide rail arranged on the upper bottom plate, and the moving block is slidably connected to the slide rail; one of the The vertical plate is connected with a U-shaped handle. 8 . An automatic heat shrinkable film corner cutting device, characterized in that it comprises the film feeding mechanism according to any one of claims 1 to 7 .

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