Automatic plastic film uncoiling, cutting and paving machine for tray packaging line

Abstract

The utility model discloses an automatic plastic film uncoiling, cutting and paving machine for a tray packaging line, and relates to the technical field of packaging equipment, in particular to an automatic plastic film uncoiling, cutting and paving machine for packaging trays on the tray packaging line. A main body of an aluminum profile frame is of an L-shaped structure, the front portion of the aluminum profile frame is of a frame table structure, and the rear portion of the aluminum profile frame is of a door-shaped structure; bottom feet are arranged at the bottom of the aluminum profile frame. The winding drum structure is movably installed on the feeding position of the frame-state structure. The film clamping structure is arranged at the upper part of the front side of the door-shaped structure; the film cutting structure is arranged at the upper part of the rear side of the door-shaped structure; the film drawing structure is arranged on the lower part of the rear side of the door-shaped structure and the tray packaging line; the film clamping jaw cylinder is mounted at the middle upper part of the rear side of the door-shaped structure; the electric box is arranged on the side face of the aluminum profile frame. According to the technical scheme, the problems of large occupied area, low production efficiency, high labor cost and the like caused by the fact that the uncoiling procedure, the cutting procedure and the film covering procedure of an existing tray packaging line are distributed on all stations and are mostly manually operated are solved.

Description

Technical Field

[0001] The utility model discloses a plastic film automatic unwinding, cutting and laying machine for a pallet packaging line, which relates to the technical field of packaging equipment, and in particular to a plastic film automatic unwinding, cutting and laying machine for packaging pallets on a pallet packaging line. Background Art

[0002] Plastic film is a very important packaging material and is widely used in various aspects of processing and production. In order to facilitate transportation and realize automated packaging processes, plastic film is wound into a roll film type. Therefore, when it is actually used in the processing and production industry, especially in pallet packaging lines, unwinding equipment is required to unwind the material, and then cut it into a suitable size and cover it on the pallet. At present, the unwinding process, cutting process, and laminating process of the pallet packaging line are scattered in various workstations, and most of them are manually operated, which leads to large floor space, low production efficiency, and high labor costs.

[0003] In view of the problems existing in the above-mentioned prior art, it is very necessary to study and design a new type of automatic unwinding, cutting and laying machine for plastic film of pallet packaging line, so as to overcome the problems existing in the prior art. Summary of the invention

[0004] According to the above-mentioned prior art, the unwinding process, cutting process and laminating process of the existing pallet packaging line are dispersedly arranged at various workstations, and most of them are manually operated, which leads to technical problems such as large footprint, low production efficiency and high labor cost. A pallet packaging line plastic film automatic unwinding, cutting and laminating machine is provided to solve the problems existing in the prior art.

[0005] The technical means adopted by the utility model are as follows:

[0006] A plastic film automatic unwinding, cutting and film laying machine for a pallet packaging line comprises: an aluminum profile frame, a base, a reel structure, a film clamping structure, a film cutting structure, a film pulling structure, a film clamping claw cylinder and an electric box;

[0007] Furthermore, the main body of the aluminum profile frame is an L-shaped structure, the front part is a frame platform structure, and the rear part is a door-shaped structure; each corner of the bottom of the aluminum profile frame is equipped with a foot;

[0008] Furthermore, the reel structure is movably mounted on the loading position of the frame structure for covering the plastic film;

[0009] Furthermore, a film clamping structure is installed on the upper front side of the door-shaped structure to clamp the plastic film;

[0010] Further, a film cutting structure is installed on the upper rear side of the door-shaped structure for cutting plastic film;

[0011] Furthermore, a film-pulling structure is installed on the lower rear part of the door-type structure and the pallet packaging line to pull out the plastic film;

[0012] Further, the film clamping claw cylinder is installed at the upper middle part of the rear side of the door-shaped structure, and is used to clamp the side edge of the plastic film after being pulled out;

[0013] Furthermore, an electrical box is arranged on the side of the aluminum profile frame, and a PLC and various electrical control elements are installed inside, which are electrically connected to various components respectively, and can control the entire unwinding, cutting and film laying process.

[0014] Further, the reel structure includes: a reel shaft and a reel retaining ring;

[0015] Further, a reel retaining ring is provided at each end of the reel shaft;

[0016] Furthermore, after the reel shaft passes through the reel of the plastic film roll, reel retaining rings are respectively installed on the reel shafts at both ends of the plastic film roll to position the plastic film roll and limit the direction in which the plastic film is unfolded to prevent the plastic film from deviating when unwinding.

[0017] Furthermore, the film clamping structure includes: a film pressing cylinder, a pressing plate and a supporting plate;

[0018] Furthermore, there are two film pressing cylinders, and the cylinder bodies thereof are vertically fixedly assembled at the two ends of the upper crossbeam of the door-shaped structure;

[0019] Furthermore, the cylinder rod end of the film pressing cylinder is connected to the pressing plate by bolts, which can drive the pressing plate to move vertically up and down;

[0020] Furthermore, both ends of the support plate are fixedly mounted on the columns of the door-shaped structure, with a certain distance reserved from the lower part of the pressing plate. After the pressing plate is moved downward into position driven by the film pressing cylinder, it is ensured to fit closely with the support plate.

[0021] Further, the film cutting structure includes: a cutting knife and a cutting knife cylinder;

[0022] Further, the cutter cylinder is fixed to the upper rear side of the column of the door-shaped structure;

[0023] Furthermore, the cutter is fixedly mounted on a slider of the cutter cylinder and can move along with the slider to cut the plastic film.

[0024] Furthermore, the film-pulling structure comprises: a film-pulling jaw cylinder, a film-pulling bracket, a film-pulling electric cylinder, a guide rod, a slide table and a guide rod bracket;

[0025] Furthermore, the film-drawing electric cylinder is fixedly mounted on a frame on one side of the pallet packaging line;

[0026] Furthermore, there are two guide rod brackets, which are fixedly mounted on the frame body on the other side of the pallet packaging line, and a guide rod is installed between the two guide rod brackets;

[0027] Furthermore, the guide rod is arranged in parallel with the film-pulling electric cylinder;

[0028] Further, the slide is mounted on the guide rod and can slide along the guide rod;

[0029] Furthermore, the film-pulling bracket is a door-shaped structure, one end of the bottom of which is fixedly connected to the slider of the film-pulling electric cylinder, and the other end is fixedly connected to the slide table; the film-pulling bracket moves forward and backward along the guide rod under the drive of the film-pulling electric cylinder;

[0030] Furthermore, there are at least three film-pulling clamping cylinders, which are evenly fixed on the film-pulling bracket. The clamping height of the clamping cylinder jaws is consistent with the height of the plane on the support plate, and is used to grasp the front end of the plastic film.

[0031] Furthermore, the clamping height of the film clamping jaw cylinder is consistent with the height of the plane on the support plate.

[0032] Furthermore, a material shortage sensor is installed on the side of the aluminum profile frame to detect the remaining material status of the plastic film roll and avoid the equipment from running out of material.

[0033] Furthermore, a material break sensor is provided in the middle of the front side of the aluminum profile frame column to detect whether the plastic film is broken.

[0034] The working process of this utility model is:

[0035] Before loading, first pass the reel shaft 3 through the middle hole of the plastic film roll, then insert the reel retaining ring 4 into the two ends of the plastic film roll respectively, position the plastic film roll, and then fix it on the reel shaft 3; place the reel shaft 3 together with the plastic film roll on the loading position of the aluminum profile frame 1, manually draw out a section of film, pass through the break sensor 6, and pass through the gap between the support plate 9 and the pressing plate 8 to ensure that the clamping jaws of the film clamping claw cylinder 12 and the film pulling claw cylinder 13 can clamp the plastic film, then extend the film pressing cylinder 7, and press the plastic film downward on the pressing plate 8 to ensure that the plastic film does not move.

[0036] After the feeding preparation work is completed, the start button is pressed, the film-drawing clamping cylinder 13 clamps the front end of the plastic film, the film-pressing cylinder 7 is retracted, and the film-drawing electric cylinder 15 drives the film-drawing bracket 14 to move forward, that is, to pull out the plastic film of corresponding length forward; when the plastic film reaches the corresponding length, the film-drawing electric cylinder 15 stops moving, the film-pressing cylinder 7 extends out to press the plastic film, and then the clamping claws of the two film-clamping clamping cylinders 12 clamp the side of the plastic film, and then the cutter cylinder 11 extends forward to drive the cutter 10 to cut the plastic film; after completing the cutting of the plastic film, the cutter cylinder 11 drives the cutter 10 to return to the origin, and at the same time, the clamping claws of the two film-clamping clamping cylinders 12 open, and after the film-drawing electric cylinder 15 continues to move forward to the film-laying station, the three film-drawing clamping cylinders 13 open, and the cut plastic film automatically falls on the pallet, and then the film-drawing electric cylinder 15 drives the three film-drawing clamping cylinders 13 to return to the starting position together, that is, to complete an unwinding, cutting and film-laying process.

[0037] Compared with the prior art, the utility model has the following advantages:

[0038] 1. The automatic unwinding, cutting and laying machine for plastic film of the pallet packaging line provided by the utility model has a simple structure and occupies a small area;

[0039] 2. The automatic unwinding, cutting and laminating machine for plastic film of the pallet packaging line provided by the utility model combines the three processes of unwinding, cutting and laminating into one process, which is controlled by PLC and has high automation and production efficiency;

[0040] 3. The automatic unwinding, cutting and laying machine for plastic film of the pallet packaging line provided by the utility model can significantly improve production efficiency, reduce production costs and create good economic benefits for users after being put into use.

[0041] In summary, the technical solution of the utility model solves the problems in the prior art that the uncoiling process, cutting process, and laminating process of the existing pallet packaging line are dispersedly arranged at various workstations and most of them are manually operated, which leads to large floor space, low production efficiency, high labor costs, and other problems. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0043] Figure 1 This is the front axonometric view of the utility model;

[0044] Figure 2 It is the rear axonometric drawing of the utility model.

[0045] In the figure: 1, aluminum profile frame 2, base 3, reel shaft 4, reel retaining ring 5, material shortage sensor 6, material break sensor 7, film pressing cylinder 8, pressing plate 9, support plate 10, cutter 11, cutter cylinder 12, film clamping claw cylinder 13, film pulling claw cylinder 14, film pulling bracket 15, film pulling electric cylinder 16, guide rod 17, slide 18, guide rod bracket 19, electrical box. DETAILED DESCRIPTION

[0046] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0047] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means a limitation on the utility model and its application or use. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0048] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the utility model. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0049] Unless otherwise specifically stated, the relative arrangement of the parts and steps described in these embodiments, numerical expressions and numerical values ​​do not limit the scope of the utility model. At the same time, it should be clear that, for ease of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. The technology, method and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, method and equipment should be regarded as a part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following drawings, so once a certain item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0050] In the description of the present utility model, it needs to be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings. They are only for the convenience of describing the present utility model and simplifying the description. Unless otherwise stated, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of the present utility model: the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0051] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below their position devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0052] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. If not otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of the utility model.

[0053] As shown in the figure, the utility model provides a plastic film automatic unwinding, cutting and film laying machine for a pallet packaging line, comprising: an aluminum profile frame 1, a base 2, a reel structure, a film clamping structure, a film cutting structure, a film pulling structure, a film clamping claw cylinder 12 and an electric box 19;

[0054] The main body of the aluminum profile frame 1 is an L-shaped structure, the front part is a frame platform structure, and the rear part is a door-shaped structure; each corner of the bottom of the aluminum profile frame 1 is equipped with a foot 2;

[0055] The reel structure is movably mounted on the loading position of the frame structure and is used for putting on the plastic film; the reel structure includes: a reel shaft 3 and a reel retaining ring 4; a reel retaining ring 4 is respectively arranged at both ends of the reel shaft 3; after the reel shaft 3 passes through the reel of the plastic film roll, the reel retaining rings 4 are respectively installed on the reel shaft 3 at both ends of the plastic film roll to position the plastic film roll and limit the direction of the plastic film unfolding to prevent the plastic film from deviating when unwinding.

[0056] The film clamping structure is installed on the upper front side of the door-type structure and is used to clamp the plastic film; the film clamping structure includes: a film pressing cylinder 7, a pressing plate 8 and a supporting plate 9; there are two film pressing cylinders 7, and their cylinder bodies are vertically fixedly assembled on the two ends of the upper crossbeam of the door-type structure; the cylinder rod end of the film pressing cylinder 7 is connected to the pressing plate 8 by bolts, which can drive the pressing plate 8 to move vertically up and down; the two ends of the supporting plate 9 are fixedly mounted on the columns of the door-type structure, and a certain distance is reserved from the lower part of the pressing plate 8. After the pressing plate 8 moves downward into position driven by the film pressing cylinder 7, it is ensured to fit closely with the supporting plate 9.

[0057] The film cutting structure is installed on the upper rear side of the door-type structure and is used for cutting plastic film; the film cutting structure includes: a cutter 10 and a cutter cylinder 11; the cutter cylinder 11 is fixed on the upper rear side of the column of the door-type structure; the cutter 10 is fixed on the slider of the cutter cylinder 11 and can move with the slider to cut the plastic film.

[0058] The film-pulling structure is installed on the lower rear part of the door-type structure and the pallet packaging line, and is used to pull out the plastic film; the film-pulling structure includes: a film-pulling claw cylinder 13, a film-pulling bracket 14, a film-pulling electric cylinder 15, a guide rod 16, a slide 17 and a guide rod bracket 18; the film-pulling electric cylinder 15 is fixedly installed on a frame on one side of the pallet packaging line; there are two guide rod brackets 18, which are fixedly installed on a frame on the other side of the pallet packaging line, and a guide rod 16 is installed between the two guide rod brackets 18; the guide rod 16 is arranged in parallel with the film-pulling electric cylinder 15; The slide 17 is mounted on the guide rod 16 and can slide along the guide rod 16; the film-pulling bracket 14 is a door-type structure, one end of its bottom is fixedly connected to the slider of the film-pulling electric cylinder 15, and the other end is fixedly connected to the slide 17; the film-pulling bracket 14 moves back and forth along the guide rod 16 driven by the film-pulling electric cylinder 15; there are at least three film-pulling claw cylinders 13, which are evenly fixed on the film-pulling bracket 14, and the clamping height of the film-pulling claw cylinder 13 is consistent with the height of the plane on the support plate 9, and is used to grasp the front end of the plastic film.

[0059] The film clamping claw cylinder 12 is installed at the middle and upper part of the rear side of the door-shaped structure, and is used to clamp the side of the pulled-out plastic film; the clamping height of the film clamping claw cylinder 12 is consistent with the height of the plane on the support plate 9.

[0060] A material shortage sensor 5 is installed on the side of the aluminum profile frame 1 to detect the remaining material status of the plastic film roll to avoid the equipment from running out of material.

[0061] A material breaking sensor 6 is arranged at the middle of the front side of the column of the aluminum profile frame 1 to detect whether the plastic film is broken.

[0062] The electric box 19 is arranged on the side of the aluminum profile frame 1, and contains a PLC and various electrical control components, which are electrically connected to various components.

[0063] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A plastic film automatic unwinding, cutting and film laying machine for a pallet packaging line, characterized by: The automatic unwinding, cutting and film laying machine for plastic film of the pallet packaging line comprises: an aluminum profile frame (1), a base (2), a reel structure, a film clamping structure, a film cutting structure, a film pulling structure, a film clamping claw cylinder (12) and an electrical box (19); The main body of the aluminum profile frame (1) is an L-shaped structure, the front part is a frame platform structure, and the rear part is a door-shaped structure; each corner of the bottom of the aluminum profile frame (1) is equipped with a foot (2); The reel structure is movably mounted on the loading position of the frame structure and is used for coating the plastic film; The film clamping structure is installed on the upper front side of the door-shaped structure and is used to clamp the plastic film; The film cutting structure is installed on the upper rear side of the door-shaped structure and is used to cut the plastic film; The film-pulling structure is installed on the lower rear part of the door-type structure and the pallet packaging line to pull out the plastic film; The film clamping claw cylinder (12) is installed at the upper middle part of the rear side of the door-shaped structure and is used to clamp the side edge of the plastic film after it is pulled out; The electrical box (19) is arranged on the side of the aluminum profile frame (1), and contains a PLC and various electrical control components, which are electrically connected to various components.

2. The automatic unwinding, cutting and laying machine for plastic film of pallet packaging line according to claim 1 is characterized by: The reel structure comprises: a reel shaft (3) and a reel retaining ring (4); A reel retaining ring (4) is provided at each end of the reel shaft (3); After the reel shaft (3) passes through the reel of the plastic film roll, the reel retaining rings (4) are respectively installed on the reel shaft (3) at both ends of the plastic film roll to position the plastic film roll and limit the direction in which the plastic film is unrolled to prevent the plastic film from deviating when unrolling.

3. The automatic unwinding, cutting and laying machine for plastic film of pallet packaging line according to claim 1 is characterized by: The film clamping structure comprises: a film pressing cylinder (7), a pressing plate (8) and a supporting plate (9); There are two film pressing cylinders (7), and the cylinder bodies are vertically fixedly mounted on the two ends of the upper crossbeam of the door-shaped structure; The cylinder rod end of the film pressing cylinder (7) is connected to the pressing plate (8) via bolts, and can drive the pressing plate (8) to move vertically up and down; The two ends of the support plate (9) are fixedly mounted on the pillars of the door-shaped structure, with a certain distance reserved from the lower part of the pressing plate (8). After the pressing plate (8) is moved downward to its position under the drive of the film pressing cylinder (7), it is ensured to be closely fitted with the support plate (9).

4. The automatic unwinding, cutting and laying machine for plastic film of pallet packaging line according to claim 1 is characterized by: The film cutting structure comprises: a cutting knife (10) and a cutting knife cylinder (11); The cutter cylinder (11) is fixed to the upper rear part of the column of the door-shaped structure; The cutter (10) is fixedly mounted on a slider of a cutter cylinder (11) and can move with the slider to cut the plastic film.

5. The automatic unwinding, cutting and laying machine for plastic film of pallet packaging line according to claim 1 is characterized by: The film-pulling structure comprises: a film-pulling claw cylinder (13), a film-pulling bracket (14), a film-pulling electric cylinder (15), a guide rod (16), a slide table (17) and a guide rod bracket (18); The film-drawing electric cylinder (15) is fixedly mounted on a frame on one side of the pallet packaging line; There are two guide rod brackets (18) fixedly mounted on the frame body on the other side of the pallet packaging line, and a guide rod (16) is installed between the two guide rod brackets (18); The guide rod (16) is arranged in parallel with the film-drawing electric cylinder (15); The slide (17) is mounted on the guide rod (16) and can slide along the guide rod (16); The film-pulling support (14) is a door-shaped structure, one end of the bottom of which is fixedly connected to the slider of the film-pulling electric cylinder (15), and the other end of the bottom of which is fixedly connected to the slide table (17); the film-pulling support (14) moves forward and backward along the guide rod (16) under the drive of the film-pulling electric cylinder (15); There are at least three film-pulling clamping cylinders (13) which are evenly distributed and fixed on the film-pulling bracket (14). The clamping height of the clamping claws of the film-pulling clamping cylinders (13) is consistent with the height of the plane on the support plate (9) and is used to grasp the front end of the plastic film.

6. The automatic unwinding, cutting and laying machine for plastic film of pallet packaging line according to claim 1 is characterized by: The clamping height of the film clamping jaw cylinder (12) is consistent with the height of the upper plane of the support plate (9).

7. The automatic unwinding, cutting and laying machine for plastic film of pallet packaging line according to claim 1 is characterized by: The side of the aluminum profile frame (1) is equipped with a material shortage sensor (5) for detecting the remaining material status of the plastic film roll to prevent the equipment from running out of material.

8. The automatic unwinding, cutting and laying machine for plastic film of pallet packaging line according to claim 1 is characterized by: A material break sensor (6) is provided in the middle of the front side of the column of the aluminum profile frame (1) for detecting whether the plastic film is broken.

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