CN220519757U - Edge folding mechanism of heat shrinkage film production line - Google Patents

Abstract

The utility model discloses a flanging mechanism of a heat-shrinkable film production line, which comprises a frame, a fixing plate and a flanging triangle, wherein the fixing plate is fixed at the top end of the frame, a flattening structure is arranged at the bottom end of a top plate, the flanging triangle is arranged at one side of the fixing plate, and an adjusting structure is arranged in one side of a first supporting plate. According to the utility model, the heat shrinkage film on the lifting roller is flattened through the pressing plate, so that wrinkles are prevented in the film conveying process, meanwhile, the heat shrinkage film in the conveying process contacts and presses the buffering pad to push the pressing plate to compress a plurality of groups of telescopic springs to move upwards along the inner wall of the casing, and the buffering pad on the pressing plate is prevented from clinging to the heat shrinkage film, so that smooth conveying effect of the heat shrinkage film is ensured, the pressing force of the pressing plate is buffered through the buffering pad, the flexible flattening function of the device is realized, the functionality of the device is improved, the flatness of the film is ensured, and the effect of folding is prevented from being influenced by the wrinkles.

Description

Edge folding mechanism of heat shrinkage film production line

Technical Field

The utility model relates to the technical field of heat-shrinkable film production, in particular to a flanging mechanism of a heat-shrinkable film production line.

Background

The heat-shrinkable film belongs to the type of shrink film, is used for packaging in the selling and transporting processes of various products, has the functions of stabilizing, covering and protecting the products, and in the production and use processes of the existing heat-shrinkable film, in order to meet the requirement of thickening treatment on the heat-shrinkable film, a flanging mechanism is very necessary, and the use of the mechanism can double-layer heat-shrinkable film into a single layer for thickening, so that the use effect of the heat-shrinkable film is ensured;

the Chinese patent grant bulletin No. CN214399187U, bulletin day 2021, 10 and 15, discloses a plastic film flanging machine, which comprises a guide roller arranged at the upper end of a frame, wherein a tripod is arranged below the guide roller, two squeeze rollers are arranged below the tripod through a bracket, a guide roller is arranged below the middle of the two squeeze rollers, and a rolling shaft is arranged at the side end of the frame through a rolling motor; the edge of the tripod is provided with a plurality of groups of positioning holes; the guide roller is arranged on the frame through a screw rod, and a screw rod motor is arranged at the side end of the frame; a PLC controller is arranged on the back of the frame; the middle part of frame is provided with the supporting beam, and the middle part of supporting beam is provided with the branch towards the place ahead. According to the utility model, the wireless sensor is arranged at the edge of the tripod to detect whether the plastic film is offset, and when the offset occurs, the guide roller is driven to move left and right by the lead screw motor to correct the offset plastic film in time, so that the edge folding efficiency of the plastic film is ensured, and the edge folding efficiency of the plastic film is improved;

the prior art scheme has the following defects: among the above-mentioned technical scheme, the device has the defect of being inconvenient for flattening when using, can make shrink film production line's hem mechanism like this at the in-process to thermal contraction membrane promotion, the condition of wrinkling appears easily, seriously influence the effect of follow-up set square hem, need the staff to carry out the arrangement manually, increase staff's work load, thereby make the convenience of device reduce, traditional clamp plate is generally fixed, flexible not, lead to the shrink membrane to be pressed too tight inconvenient transport or too loose and can not reach the effect of flattening.

Disclosure of Invention

First, the technical problem to be solved

The utility model aims to provide a flanging mechanism of a heat-shrinkable film production line so as to solve the problems in the prior art.

(II) summary of the utility model

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a hem mechanism of thermal contraction membrane production line, includes frame, fixed plate and hem set square, the top of frame all is fixed with the fixed plate, and the top of fixed plate is fixed with the roof, the bottom of roof is provided with the structure of flattening, the lifting roll is installed on the top of fixed plate one side, the hem set square is installed to one side of fixed plate, first guide roll is installed to one side of frame bottom, the front side of frame top is fixed with first backup pad, the rear side of frame top all is fixed with the second backup pad, the inside of first backup pad one side all is provided with adjusting structure, the opposite side of first backup pad all is provided with the second guide roll, one side of adjusting structure is provided with the pinch rolls, the one side of second backup pad is installed and is put the membrane roller, and is put one side of membrane roller and install servo motor, one side of frame top all is fixed with the third backup pad, the wind-up roll is installed to one side of step motor, the top of third backup pad one side has the third guide roll, the structure of flattening includes installation shell, cushion, bottom mounting shell, cushion, bottom mounting all are provided with the top of shell, cushion, the top mounting and the top of shell, the shell is connected with the top mounting top, the top of extension spring.

Use hem mechanism of this technical scheme's heat shrinkage film production line, heat shrinkage film through the clamp plate on to the lifting roller flattens, prevent the in-process that the membrane was carried to appear the fold, heat shrinkage film contact and extrusion blotter in carrying promote the compression multiunit expansion spring of clamp plate and carry out the upward movement along the inner wall of cover shell simultaneously to be convenient for guarantee the smooth and easy effect of heat shrinkage film transport, lead to the clamp plate through the cover shell, guarantee the rectilinear movement of clamp plate, cushion the force of clamp plate push down through the blotter, prevent clamp plate and heat shrinkage film direct contact, lead to the membrane to appear damaging.

Preferably, the adjusting structure comprises a bearing, a sliding block, a fixing bolt, a hole groove and a connecting block, wherein the hole groove is formed in one side of the first supporting plate, the fixing bolt is connected with the hole groove through internal threads, one side of the fixing bolt is connected with the sliding block through threads, one side of the sliding block is fixedly provided with the connecting block, and one side of the connecting block is fixedly provided with the bearing. The four groups of fixing bolts are sequentially rotated to leave the insides of the four groups of hole slots, then the two groups of clamping rollers are simultaneously pulled to drive the four groups of sliding blocks connected with the four groups of connecting blocks to move back and forth through the four groups of bearings, so that the effect of adjusting the distance between the two groups of clamping rollers is achieved, the two groups of clamping rollers are convenient for clamping flanging films with different thicknesses, then the four groups of fixing bolts are taken to be aligned and inserted into the other four groups of hole slots at positions corresponding to the sliding blocks after adjustment, and the fixing bolts are reversely rotated to enter the sliding blocks to be screwed tightly to fix the adjusted clamping rollers.

Preferably, the bearing on the connecting block is connected with the clamping roller, so that the bearing is connected with the shaft of the clamping roller, the clamping roller is convenient to move, the connecting block is driven by the bearing, the bearings are symmetrically distributed on two sides of the clamping roller, and the balance of the clamping roller is ensured by the two symmetrically distributed groups of bearings.

Preferably, the connecting block forms a sliding structure with the first supporting plate through the sliding block, so that the connecting block drives the sliding block to slide back and forth along the inner wall of the servo motor, the distance between the two groups of clamping rollers is convenient to adjust, the sliding block and the connecting block are in a welding integrated structure, and the connecting effect of the sliding block and the connecting block is enhanced.

Preferably, the inner wall of the hole groove is provided with an internal thread, the outer wall of the fixing bolt is provided with an external thread, and the hole groove and the fixing bolt form a rotating structure through the engagement of the internal thread and the external thread. The fixing bolt is enabled to rotate to enter or leave the inside of the sliding block along the inner wall of the hole groove through threaded engagement, so that the sliding block can be conveniently fixed or detached.

Preferably, the casing forms the extending structure through extension spring and coupling shell, makes the coupling shell reciprocate along the inner wall of casing along with extension spring's extension, the size of coupling shell is less than the size of casing, makes the coupling shell go on from top to bottom in the casing, is convenient for the casing to lead to coupling shell.

Preferably, the telescopic springs are arranged in the casing, and the telescopic springs are distributed at equal intervals in the casing, so that the telescopic springs are uniformly distributed in the casing, flexible expansion of the pressing plate is conveniently driven, and smooth movement of the heat shrinkable film is ensured.

(III) beneficial effects

Compared with the prior art, the utility model has the beneficial effects that: the flanging mechanism of the heat-shrinkable film production line has reasonable structure and has the following advantages:

(1) The heat shrinkage film on the lifting roller is flattened through the pressing plate, so that folds are prevented in the film conveying process, meanwhile, the heat shrinkage film in the conveying process contacts and presses the buffering cushion pad to push the pressing plate to compress a plurality of groups of telescopic springs to move upwards along the inner wall of the casing, the buffering cushion pad on the pressing plate is prevented from clinging to the heat shrinkage film, the smooth conveying effect of the heat shrinkage film is guaranteed conveniently, the pressing plate is buffered by the buffering cushion pad, the flexible flattening function of the device is realized, the functionality of the device is improved, the flatness of the film is guaranteed, and the folding effect is prevented from being influenced by the folds;

(2) The four groups of fixing bolts leave the four groups of hole slots, two groups of clamping rollers are pulled to drive the sliding blocks to slide back and forth through the four groups of bearings to adjust the distance, so that the two groups of clamping rollers clamp flanging films with different thicknesses, then the four groups of fixing bolts are taken to be inserted into the other four groups of hole slots corresponding to the adjusted fixing bolts, the fixing bolts are rotated reversely to enter the sliding blocks to screw down and fix the adjusted clamping rollers, the convenient adjusting function of the device is realized, the flexibility of the device is improved, the distance between the two groups of clamping rollers is convenient to adjust, and the range of the clampable films is increased.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic cross-sectional elevation view of the present utility model;

FIG. 2 is a schematic side view of the present utility model;

FIG. 3 is a schematic side view partially in cross-section of an adjustment structure of the present utility model;

fig. 4 is a schematic cross-sectional elevation view of the flattening structure of the present utility model.

Reference numerals in the drawings illustrate: 1. a frame; 2. a first support plate; 3. a first guide roller; 4. a pinch roller; 5. an adjustment structure; 501. a bearing; 502. a slide block; 503. a fixing bolt; 504. a hole groove; 505. a connecting block; 6. a servo motor; 7. a fixing plate; 8. a top plate; 9. flattening the structure; 901. a mounting base; 902. a casing; 903. a telescopic spring; 904. a connection housing; 905. a pressing plate; 906. a cushion pad; 10. a lifting roller; 11. a triangle with folded edges; 12. a film placing roller; 13. a second support plate; 14. a second guide roller; 15. a third guide roller; 16. a wind-up roll; 17. a third support plate; 18. a stepper motor.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by one of ordinary skill in the art without inventive faculty, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1

Referring to fig. 1-4, the hemming mechanism of the heat shrink film production line provided by the utility model comprises a frame 1, a fixing plate 7 and a hemming triangle 11, wherein the fixing plate 7 is fixed at the top end of the frame 1, a top plate 8 is fixed at the top end of the fixing plate 7, a flattening structure 9 is arranged at the bottom end of the top plate 8, a lifting roller 10 is arranged at the top end of one side of the fixing plate 7, the hemming triangle 11 is arranged at one side of the fixing plate 7, a first guide roller 3 is arranged at one side of the bottom end of the frame 1, a first support plate 2 is fixed at the front side of the top end of the frame 1, a second support plate 13 is fixed at the rear side of the top end of the frame 1, an adjusting structure 5 is arranged in one side of the first support plate 2, a second guide roller 14 is arranged at the other side of the first support plate 2, a clamping roller 4 is arranged at one side of the adjusting structure 5, a film releasing roller 12 is arranged at one side of the second support plate 13, the servo motor 6 is arranged on one side of the film placing roller 12, the third supporting plate 17 is fixed on one side of the top end of the frame 1, the stepping motor 18 is arranged on one side of the third supporting plate 17, the wind-up roller 16 is arranged on one side of the stepping motor 18, the third guide roller 15 is arranged on the top end of one side of the third supporting plate 17, the flattening structure 9 comprises a mounting seat 901, a casing 902, a telescopic spring 903, a connecting shell 904, a pressing plate 905 and a buffer pad 906, the mounting seat 901 is arranged at the bottom end of the top plate 8, the casing 902 is fixed at the bottom end of the mounting seat 901, the telescopic spring 903 is fixed on the inner wall of the casing 902, the connecting shell 904 is fixed at the bottom end of the telescopic spring 903, the pressing plate 905 is provided with a buffer pad 906, the casing 902 and the connecting shell 904 form a telescopic structure through the telescopic spring 903, the size of the connecting shell 904 is smaller than the size of the casing 902, the extension springs 903 are provided with several groups inside the casing 902, and the several groups of extension springs 903 are equally spaced inside the casing 902.

The operation principle of the flanging mechanism of the heat-shrinkable film production line based on the first embodiment is as follows: the device is placed at a designated position through the frame 1 and externally connected with a power supply, the heat shrink film on the film releasing roller 12 is pulled to sequentially pass through according to the mode shown in the figure, and one section of the pulled heat shrink film is attached to the winding roller 16, then the servo motor 6 and the stepping motor 18 are started simultaneously, the servo motor 6 drives the film releasing roller 12 to rotate to conduct film guiding, then the lifting roller 10 lifts the guided film and folds the film through the folding triangle 11, the heat shrink film after the folding passes through the two groups of clamping rollers 4 to conduct clamping attachment, and sequentially passes through the first guide roller 3, the second guide roller 14 and the third guide roller 15 to conduct guiding, so that the winding roller 16 is conveniently rotated along with the rotation of the stepping motor 18, the heat shrink film on the lifting roller 10 is flattened through the pressing plate 905, wrinkles are prevented in the film conveying process, the effect of the buffer pad 906 is affected, the heat shrink film in the conveying process is contacted and pushed by the pressing plate 905, the plurality of groups of the telescopic springs 903 are then compressed along the inner wall of the casing 902 to conduct upward movement, the effect of the heat shrink film conveying is conveniently guaranteed, the heat shrink film is smoothly carried out, the pressing plate 905 is pressed down, and the heat shrink film is prevented from directly contacting the buffer pad 906, and the heat shrink film is prevented from being damaged.

Example two

The embodiment comprises the following steps: the adjusting structure 5 comprises a bearing 501, a sliding block 502, a fixing bolt 503, a hole groove 504 and a connecting block 505, wherein the hole groove 504 is formed in one side of the first supporting plate 2, the fixing bolt 503 is connected with the hole groove 504 through internal threads, one side of the fixing bolt 503 is connected with the sliding block 502 through threads, one side of the sliding block 502 is fixedly provided with the connecting block 505, one side of the connecting block 505 is fixedly provided with the bearing 501, the bearing 501 on the connecting block 505 is connected with the clamping roller 4, the bearing 501 is symmetrically distributed on two sides of the clamping roller 4, the connecting block 505 forms a sliding structure with the first supporting plate 2 through the sliding block 502, the sliding block 502 and the connecting block 505 are of a welding integrated structure, internal threads are formed on the inner wall of the hole groove 504, external threads are formed on the outer wall of the fixing bolt 503, and the hole groove 504 and the fixing bolt 503 form a rotating structure through engagement of the internal threads and the external threads.

In this embodiment, the distance between the two groups of clamping rollers 4 is adjusted according to the thickness of the heat shrink film after edge folding, the four groups of fixing bolts 503 are sequentially rotated to leave the inside of the four groups of hole grooves 504, then the two groups of clamping rollers 4 are simultaneously pulled to drive the four groups of connecting blocks 505 to move through the four groups of bearings 501, so that the connecting blocks 505 drive the sliding blocks 502 to slide back and forth along the inner wall of the servo motor 6 to adjust the distance, the two groups of clamping rollers 4 are convenient for clamping the edge folding film with different thickness, then the four groups of fixing bolts 503 are taken to be aligned and inserted into the other four groups of hole grooves 504 at the corresponding positions of the sliding blocks 502 after adjustment, and the fixing bolts 503 are reversely rotated to be screwed into the sliding blocks 502 through threaded engagement, so that the adjusted clamping rollers 4 are convenient to fix.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present utility model without undue burden.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (7)

1. The utility model provides a hem mechanism of thermal contraction membrane production line, includes frame (1), fixed plate (7) and hem set square (11), its characterized in that: the utility model discloses a stepping motor winding machine, which comprises a frame (1), a fixing plate (7) is fixed on the top of the frame (1), a top plate (8) is fixed on the top of the fixing plate (7), a flattening structure (9) is arranged at the bottom of the top plate (8), a lifting roller (10) is arranged at the top of one side of the fixing plate (7), a flanging triangle (11) is arranged at one side of the fixing plate (7), a first guide roller (3) is arranged at one side of the bottom of the frame (1), a first support plate (2) is fixed on the front side of the top of the frame (1), a second support plate (13) is fixed on the rear side of the top of the frame (1), an adjusting structure (5) is arranged in one side of the first support plate (2), a second guide roller (14) is arranged on the other side of the first support plate (2), a clamping roller (4) is arranged at one side of the adjusting structure (5), a film releasing roller (12) is arranged at one side of the second support plate (13), a servo motor (6) is arranged at one side of the film releasing roller (12), a stepping motor (17) is arranged at one side of the top of the frame (1), a third support plate (17) is fixed on one side of the stepping motor (17), a stepping motor (18), third backup pad (17) installs third guide roll (15) on the top of one side, flattening structure (9) are including mount pad (901), cover shell (902), extension spring (903), coupling shell (904), clamp plate (905) and cushion (906), the bottom at roof (8) is installed to mount pad (901), the bottom mounting of mount pad (901) has cover shell (902), and all is fixed with extension spring (903) on the inner wall of cover shell (902), the bottom mounting of extension spring (903) has coupling shell (904), and the bottom mounting of coupling shell (904) has clamp plate (905), the bottom of clamp plate (905) is provided with blotter (906).

2. The hemming mechanism of claim 1 wherein: the adjusting structure (5) comprises a bearing (501), a sliding block (502), a fixing bolt (503), a hole groove (504) and a connecting block (505), wherein the hole groove (504) is formed in one side of the first supporting plate (2), the fixing bolt (503) is connected with the hole groove (504) through internal threads, the sliding block (502) is connected with one side of the fixing bolt (503) through threads, the connecting block (505) is fixed on one side of the sliding block (502), and the bearing (501) is fixed on one side of the connecting block (505).

3. The hemming mechanism of claim 2 wherein: the bearing (501) on the connecting block (505) is connected with the clamping roller (4), and the bearings (501) are symmetrically distributed on two sides of the clamping roller (4).

4. The hemming mechanism of claim 2 wherein: the connecting block (505) and the first supporting plate (2) form a sliding structure through the sliding block (502), and the sliding block (502) and the connecting block (505) are in a welding integrated structure.

5. The hemming mechanism of claim 2 wherein: an inner thread is arranged on the inner wall of the hole groove (504), an outer thread is arranged on the outer wall of the fixed bolt (503), and the hole groove (504) and the fixed bolt (503) form a rotating structure through the engagement of the inner thread and the outer thread.

6. The hemming mechanism of claim 1 wherein: the casing (902) and the connecting shell (904) form a telescopic structure through a telescopic spring (903), and the size of the connecting shell (904) is smaller than that of the casing (902).

7. The hemming mechanism of claim 1 wherein: the telescopic springs (903) are arranged in the casing (902) in a plurality of groups, and the telescopic springs (903) in the plurality of groups are distributed in the casing (902) at equal intervals.