Plastic film folding and winding device

Abstract

The utility model relates to the technical field of winding devices, and discloses a plastic film folding and winding device which comprises a rack, a plurality of conveying rollers and a driving roller are rotationally connected in the rack, a motor is fixed on the side wall of the rack, the output end of the motor is fixedly connected with one end of the driving roller, a folding assembly is arranged at one end of the rack, and the other end of the rack is provided with a winding assembly. A folding assembly is arranged at one end of the rack, a winding mechanism is arranged at the other end of the rack, the winding mechanism comprises a winding assembly, a pushing assembly and a tensioning assembly, a winding roller is arranged at the upper end of the winding assembly in an inserted and sleeved mode, a positioning mechanism is arranged on the side wall of the winding roller, and the positioning mechanism comprises a positioning assembly and an abutting assembly. And the plastic film can be effectively wound, and the problems that in the prior art, practicability is low, and the plastic film cannot be effectively tightened are solved, so that the winding quality of the plastic film is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a winding device technical field, concretely relates to a plastic film folding winding device. BACKGROUND

[0002] Plastic film is a kind of thin continuous polymer material, mainly by polyethylene, polypropylene, polyvinyl chloride and other chemical raw materials are made;This material is often used to make packaging, such as beverage packaging, frozen food packaging, cooking food packaging, etc., also used in agriculture, construction and other fields.Plastic film has the advantages of light weight, durable, cheap, etc., and can be made into different types and purposes of film by different processing methods, such as blowing, casting, calendering, etc.

[0003] At present, the utility model with publication number CN211812531U discloses a kind of winding mechanism of automatic adjustment of blown film machine, including traction roller, winding roller, plastic film, shaft, adjusting device, the plastic film is fixed on the winding roller with the form of drum, the traction roller is located in winding roller side and is in contact with the plastic film on winding roller, the traction roller is rotatably connected with the plastic film, the shaft passes through the inside of winding roller and is fixedly connected with the winding roller, the adjusting device includes gear, tooth slot, side plate, limiting device, the tooth slot is located in the top of side plate and is fixedly connected with the side plate, the gear is sleeved in one end of the shaft and is rotatably connected with the shaft, the limiting device is located in the gear both sides, the adjusting device is provided with two, respectively located in the shaft both ends.

[0004] In the above scheme, the prior art cannot fold plastic film, and the practicality is low, and the plastic film after winding is fluffy, cannot effectively tighten the plastic film, leads to the winding quality of plastic film is poor. UTILITY MODEL CONTENTS

[0005] The utility model aims at overcoming the insufficient of prior art, provide a kind of plastic film folding winding device, by being equipped with folding assembly and winding mechanism, plastic film can be folded, and plastic film can be effectively wound, solve the problem that prior art practicality is low, cannot effectively tighten plastic film, to improve the winding quality of plastic film.

[0006] The utility model solves the technical problem of the scheme:

[0007] The utility model provides a kind of plastic film folding and winding device, including frame, multiple conveying rollers and a driving roller are rotationally connected in frame, motor is fixed on the side wall of frame, the output end of motor is fixedly connected with one end of driving roller, the one end of frame is equipped with folding assembly, the other end of frame is equipped with winding mechanism, winding mechanism includes winding assembly, push assembly and tensioning assembly, winding assembly's upper end is inserted sleeve and is placed with winding roller, positioning mechanism is equipped on the side wall of winding roller, and positioning mechanism includes positioning assembly and pressing assembly.

[0008] When plastic film is folded and wound, paper tube is inserted sleeve and is placed in the middle of winding roller, and the paper tube is positioned by positioning assembly, so that the paper tube cannot move left and right, and the paper tube is fixed by pressing assembly, so that the paper tube will not easily rotate when it is not subjected to external force, so that the paper tube is fixed at the desired position, and the paper tube is pressed against the side wall of the driving roller by the tensioning assembly, and the plastic film is wrapped around the multiple conveying rollers and the driving roller in sequence through the extending end of the folding assembly, so that the plastic film can be folded by the folding assembly, and the plastic film is wrapped around the paper tube through the extending end of the driving roller, the motor is started to drive the driving roller to rotate, and the winding roller is relatively rotated, so that the plastic film can be wound, when the plastic film is gradually wound and increased, the plastic film is moved outward by the winding assembly, and the plastic film is pressed against the side wall of the driving roller under the action of the tensioning assembly, so that the plastic film can be effectively tightened, and when the winding of the plastic film is completed, the push assembly is started to separate the plastic film from the driving roller, and the winding roller is removed, so that the wound plastic film can be removed.

[0009] By providing the folding assembly and the winding mechanism, the plastic film can be folded and effectively wound, solving the problem of low practicality and ineffective tightening of the plastic film in the prior art, thereby improving the winding quality of the plastic film.

[0010] The utility model is further provided as follows: the folding assembly includes a folding guide plate fixed in the frame.

[0011] By the above technical solution, the plastic film can be folded when passing through the folding guide plate.

[0012] The utility model is further provided as follows: the winding assembly includes a connecting shaft rotationally connected in the frame, two connecting rods are symmetrically fixed on the side wall of the connecting shaft, and an insertion slot for inserting and placing the winding roller is formed on the upper end of the connecting rod.

[0013] By the above technical solution, the winding roller can be inserted and placed in the insertion slot, and when the plastic film is gradually wound and increased, the plastic film can be moved outward, so that the plastic film is always pressed against the side wall of the driving roller, and when the winding of the plastic film is completed, the winding roller can be easily removed, so that the wound plastic film can be easily removed.

[0014] The utility model further provides: the push assembly includes two air cylinders which are symmetrically rotationally connected on the inner wall of the frame, and the push rod ends of the two air cylinders are rotationally connected on the side walls of the two connecting rods respectively.

[0015] Through the technical scheme, when the plastic film wound is required to be separated from the driving roller, two air cylinders are started at the same time, the connecting rods are driven to rotate by the push rods, the winding roller placed in the insertion groove is driven to move outward, and thus the plastic film wound can be separated from the driving roller.

[0016] The utility model further provides: the tensioning assembly includes a tension spring arranged on the side wall of the air cylinder, one end of the tension spring is fixed on the side wall of the air cylinder, and the other end of the tension spring is fixed on the end of the push rod.

[0017] Through the technical scheme, when the plastic film gradually increases to drive the connecting rods to rotate, the tension spring is stretched at the same time, and the plastic film is pressed against the side wall of the driving roller under the action of the tension spring, so that the plastic film can be effectively tightened.

[0018] The utility model further provides: the positioning assembly includes two first counterbores symmetrically formed on the side wall of the winding roller, two first compression springs are symmetrically fixed on the bottom of the first counterbores, and the upper ends of the two first compression springs are fixed with the same positioning block.

[0019] Through the technical scheme, when the paper tube needs to be positioned, the paper tube is inserted into the side wall of the winding roller, the positioning block is pressed downward, the positioning block is located in the winding roller, the paper tube is driven to move, the paper tube is located between the two positioning blocks after passing through the positioning block, the positioning block is released, and the positioning block returns to the original position under the action of the compression spring, so that the paper tube can be positioned and cannot move left and right.

[0020] The utility model further provides: the pressing assembly includes a plurality of second counterbores formed on the side wall of the winding roller, the plurality of second counterbores are symmetrically arranged at the center, the second counterbores are located at the middle part of the winding roller, two second compression springs are symmetrically fixed on the bottom of the second counterbores, and the upper ends of the two second compression springs are fixed with the same pressing block.

[0021] Through the technical scheme, when the paper tube is driven to move between the two positioning blocks, the pressing block is inwardly retracted under the extrusion of the paper tube, and is pressed against the inner wall of the paper tube under the action of the second compression spring, so that the paper tube cannot easily rotate under the action of external force.

[0022] The utility model further provides: the positioning assembly is provided with a plurality of groups, and the plurality of groups of positioning assemblies are staggered.

[0023] Through the technical scheme, different specifications of the paper tube can be positioned.

[0024] The utility model discloses the beneficial effect is:

[0025] Compared with the prior art, by being equipped with folding assembly and winding mechanism, the plastic film can be folded, and the plastic film can be effectively wound, the problem that the prior art practicality is lower and plastic film cannot be effectively tightened is solved, thereby improve the winding quality of plastic film. BRIEF DESCRIPTION OF DRAWINGS

[0026] Fig. 1 It is three -dimensional structure schematic diagram of the utility model;

[0027] Fig. 2 It is three -dimensional structure schematic diagram of the utility model;

[0028] Fig. 3 It is three -dimensional structure schematic diagram after disassembly of winding roller and connecting piece.

[0029] Reference Signs: 1, rack;2, conveying roller;3, driving roller;4, motor;5, winding roller;501, first counterbore;502, second counterbore;6, plastic film;7, paper tube;8, folding guide plate;9, connecting shaft;10, connecting rod;1001, slot;11, air cylinder;1101, push rod;12, tension spring;13, first compression spring;14, positioning block;15, second compression spring;16, pressure block. DETAILED DESCRIPTION

[0030] The specific implementation of the utility model will be further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but not to limit the scope of the utility model.

[0031] The following reference Figs. 1 to 3 The utility model is explained.

[0032] A plastic film folding and winding device, including rack 1, the plurality of conveying roller 2 and a driving roller 3 are rotationally connected in rack 1, and the sidewall of rack 1 is fixed with motor 4, and the output end of motor 4 is fixedly connected with one end of driving roller 3, and one end of rack 1 is equipped with folding assembly, and the other end of rack 1 is equipped with winding mechanism, and winding mechanism includes winding assembly, pusher assembly and tensioning assembly, and the upper end of winding assembly is inserted with winding roller 5, and the sidewall of winding roller 5 is equipped with positioning mechanism, and positioning mechanism includes positioning assembly and pressure assembly.

[0033] When the plastic film 6 needs to be folded and rolled up, the paper roll 7 is inserted into the middle of the winding roller 5, and the paper roll 7 is positioned by the positioning component to prevent it from moving left or right. At the same time, the paper roll 7 is fixed by the pressing component to prevent it from easily rotating when not under external force, thus fixing the paper roll 7 in the required position. Meanwhile, the tensioning component presses the paper roll 7 against the drive roller 3, and the plastic film 6 is wrapped sequentially around multiple conveyor rollers 2 and one drive roller 3 through the protruding end of the folding component. Thus, the plastic film 6 can be folded by the folding component, and then the plastic film is rolled up. The plastic film 6 passes through the extended end of the drive roller 3 and wraps around the paper roll 7. The motor 4 is started, driving the drive roller 3 to rotate, which in turn drives the winding roller 5 to rotate relative to it, thereby winding the plastic film 6. As the plastic film 6 gradually winds up, the winding assembly drives the plastic film 6 to move outward. At the same time, under the action of the tensioning assembly, the plastic film 6 is pressed against the side wall of the drive roller 3, which can effectively tighten the plastic film 6. After the plastic film 6 is wound up, the pushing assembly is started to disengage the plastic film 6 from the drive roller 3 and remove the winding roller 5, so that the wound plastic film 6 can be removed.

[0034] By incorporating a folding assembly and a winding mechanism, the plastic film 6 can be folded and effectively wound up, solving the problems of low practicality and inability to effectively tighten the plastic film 6 in existing technologies, thereby improving the winding quality of the plastic film 6.

[0035] The folding assembly includes a folding guide plate 8 fixed within the frame 1.

[0036] The plastic film 6 can be folded when it passes through the folding guide plate 8.

[0037] The winding assembly includes a connecting shaft 9 rotatably connected within the frame 1. Two connecting rods 10 are symmetrically fixed on the side wall of the connecting shaft 9. The upper end of the connecting rods 10 is formed with a slot 1001 for inserting the winding roller 5.

[0038] The winding roller 5 can be inserted into the slot 1001. As the plastic film 6 gradually winds up, it can be driven to move outward, so that the plastic film 6 is always pressed against the side wall of the drive roller 3. When the plastic film 6 is finished winding, it is easy to remove the winding roller 5, thus making it easy to remove the finished plastic film 6.

[0039] The pushing assembly includes a cylinder 11 rotatably connected to the inner wall of the frame 1, and the end of the push rod 1101 of the cylinder 11 is rotatably connected to the side wall of one of the connecting rods 10.

[0040] When it is needed to make the plastic film 6 which has finished winding to be separated from the driving roller 3, two air cylinders 11 are started at the same time, the connecting rod 10 is driven to rotate by the push rod 1101, the winding roller 5 which is placed in the insertion groove 1001 is driven to move outward, so that the plastic film 6 which has finished winding can be separated from the driving roller 3.

[0041] The tensioning assembly comprises a tension spring 12 which is arranged on the side wall of the air cylinder 11, one end of the tension spring 12 is fixed on the side wall of the air cylinder 11, and the other end of the tension spring 12 is fixed on the end of the push rod 1101.

[0042] When the plastic film 6 is gradually increased to drive the connecting rod 10 to rotate, the tension spring 12 is stretched at the same time, and the plastic film 6 is pressed against the side wall of the driving roller 3 under the action of the tension spring 12, so that the plastic film 6 can be effectively tightened.

[0043] The positioning assembly comprises two first counterbores 501 which are symmetrically formed on the side wall of the winding roller 5, the bottom of the first counterbores 501 is symmetrically fixed with two first compression springs 13, and the upper end of the two first compression springs 13 is fixed with the same positioning block 14.

[0044] When it is needed to position the paper winding drum 7, the paper winding drum 7 is inserted into the side wall of the winding roller 5, the positioning block 14 is pressed downward, the positioning block 14 is located in the winding roller 5, the paper winding drum 7 is driven to move, the paper winding drum 7 is located between the two positioning blocks 14 after passing through the positioning block 14, the positioning block 14 is released, and the positioning block 14 returns to the original position under the action of the compression spring, so that the paper winding drum 7 can be positioned and cannot move left and right.

[0045] The pressing assembly comprises a plurality of second counterbores 502 which are formed on the side wall of the winding roller 5, the plurality of second counterbores 502 are centrally symmetrically arranged, the second counterbores 502 are located in the middle part of the winding roller 5, the bottom of the second counterbores 502 is symmetrically fixed with two second compression springs 15, and the upper end of the two second compression springs 15 is fixed with the same pressing block 16.

[0046] When the paper winding drum 7 is driven to move between the two positioning blocks 14, the pressing block 16 is simultaneously extruded inward by the paper winding drum 7 and is pressed against the inner wall of the paper winding drum 7 under the action of the second compression spring 15, so that the paper winding drum 7 will not easily rotate when it is not subjected to external force.

[0047] The positioning assembly is provided with a plurality of groups, and the plurality of groups of positioning assemblies are staggered.

[0048] So that the paper winding drums 7 of different specifications can be positioned.

[0049] Working principle:

[0050] When the plastic film 6 needs to be folded and rolled, the winding roller 7 is inserted on the side wall of the winding roller 5, the positioning block 14 is pressed downwards and positioned in the winding roller 5, the winding roller 7 is moved and positioned between the two positioning blocks 14, the positioning block 14 is released and returned to the original position under the action of the compression spring, so that the winding roller 7 is positioned and cannot move left and right, at the same time, the pressing block 16 is pressed inwards and pressed on the inner wall of the winding roller 7 under the action of the second compression spring 15, so that the winding roller 7 cannot easily rotate when not subjected to external force, so that the winding roller 7 is fixed at the required position, at the same time, the plastic film 6 is pressed on the side wall of the driving roller 3 under the action of the stretching spring 12, the plastic film 6 is wrapped around the plurality of conveying rollers 2 and the driving roller 3 in sequence through the extending end of the folding guide plate 8, so that the plastic film 6 can be folded through the folding guide plate 8, the plastic film 6 is wrapped around the winding roller 7 through the extending end of the driving roller 3, the motor 4 is started to drive the driving roller 3 to rotate and relatively rotate the winding roller 5, so that the plastic film 6 can be rolled, when the plastic film 6 is gradually rolled and increased, the connecting rod 10 is rotated to move the plastic film 6 outward, at the same time, the plastic film 6 is pressed on the side wall of the driving roller 3 under the action of the stretching spring 12, so that the plastic film 6 can be effectively tightened, when the plastic film 6 is rolled, the two air cylinders 11 are started, the connecting rod 10 is rotated through the push rod 1101 to move the winding roller 5 outward, so that the rolled plastic film 6 is separated from the driving roller 3, then the winding roller 5 is taken out, so that the rolled plastic film 6 can be taken off.

[0051] The above only describes preferred embodiments of the present application, and it should be noted that those skilled in the art can make several improvements and modifications without departing from the technical principles of the present application, and the above-mentioned improvements and modifications should be regarded as the protection scope of the present application.

Claims

1. A plastic film folding and winding device, comprising a frame (1), characterized in that: The frame (1) is rotatably connected to multiple conveying rollers (2) and one drive roller (3). A motor (4) is fixed on the side wall of the frame (1). The output end of the motor (4) is fixedly connected to one end of the drive roller (3). One end of the frame (1) is provided with a folding assembly. The other end of the frame (1) is provided with a winding mechanism. The winding mechanism includes a winding assembly, a pushing assembly and a tensioning assembly. A winding roller (5) is inserted into the upper end of the winding assembly. A positioning mechanism is provided on the side wall of the winding roller (5). The positioning mechanism includes a positioning assembly and a pressing assembly.

2. The plastic film folding and winding device according to claim 1, characterized in that: The folding assembly includes a folding guide plate (8) fixed within the frame (1).

3. The plastic film folding and winding device according to claim 1, characterized in that: The winding assembly includes a connecting shaft (9) rotatably connected within the frame (1). Two connecting rods (10) are symmetrically fixed on the side wall of the connecting shaft (9). The upper end of the connecting rod (10) is formed with a slot (1001) for the placement of the winding roller (5).

4. A plastic film folding and winding device according to claim 3, characterized in that: The push assembly includes two cylinders (11) symmetrically rotatably connected to the inner wall of the frame (1), and the ends of the push rods (1101) of the two cylinders (11) are rotatably connected to the side walls of two connecting rods (10).

5. A plastic film folding and winding device according to claim 4, characterized in that: The tensioning assembly includes a tension spring (12) disposed on the side wall of the cylinder (11), one end of the tension spring (12) being fixed to the side wall of the cylinder (11), and the other end of the tension spring (12) being fixed to the end of the push rod (1101).

6. A plastic film folding and winding device according to claim 1, characterized in that: The positioning assembly includes two first countersunk holes (501) symmetrically formed on the side wall of the winding roller (5). Two first compression springs (13) are symmetrically fixed at the bottom of the first countersunk holes (501), and the same positioning block (14) is fixed at the upper end of the two first compression springs (13).

7. A plastic film folding and winding device according to claim 6, characterized in that: The pressing component includes multiple second countersunk holes (502) formed on the side wall of the winding roller (5). The multiple second countersunk holes (502) are arranged symmetrically at the center. The second countersunk holes (502) are located in the middle of the winding roller (5). Two second compression springs (15) are symmetrically fixed at the bottom of the second countersunk holes (502). The same pressing block (16) is fixed at the upper end of the two second compression springs (15).

8. A plastic film folding and winding device according to claim 1, characterized in that: There are multiple sets of positioning components, and these sets of positioning components are set in a staggered manner.

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