Residual amount winding device for plastic packaging bag

Abstract

The utility model relates to the field of packaging bag rolling, and particularly discloses a plastic packaging bag allowance rolling device which comprises a bottom plate, a limiting mechanism is arranged on the upper end face of the bottom plate, an adjusting mechanism is arranged on the lower end face of the bottom plate, and the limiting mechanism comprises a first door-shaped frame fixedly connected to the upper end face of the bottom plate. A plurality of evenly-distributed first limiting rollers are rotationally connected to the inner wall of the first door-shaped frame, an electric push rod is installed on the upper end face of the first door-shaped frame, and the output end of the electric push rod extends to the position below the first door-shaped frame and is fixedly connected with a second door-shaped frame; a plurality of second limiting rollers corresponding to the first limiting rollers are rotationally connected to the inner wall of the second door-shaped frame, the distance between the limiting rollers is adjusted through an electric push rod so as to adapt to excess materials of different thicknesses, and meanwhile synchronous distance adjustment of the multiple sets of limiting plates is achieved through a threaded rod linkage mechanism. And the materials can be prevented from being crushed, and the batch winding efficiency of the multi-specification excess materials is remarkably improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of packing bag winding, specifically discloses a surplus winding device of plastic packing bag. BACKGROUND

[0002] Plastic packing bag: it is a kind of plastic raw material, for the packing bag of various goods in production and life, widely used in daily life and industrial production, but this time's convenience brings long-term harm. Commonly used plastic packing bag is made of polyethylene film, and the film is non-toxic, so it can be used to contain food. Another kind of film is made of polyvinyl chloride, and polyvinyl chloride itself is also non-toxic, but the additives added according to the use of the film are often substances harmful to human body, which have certain toxicity. In the production process of plastic packing bag, the edge of the bag body after cutting often remains excess waste (such as edge strip, uncut part, etc.), which needs to be wound in time to avoid accumulation and affect production.

[0003] Chinese patent CN215402165U discloses a surplus winding device of plastic packing bag, which comprises a winding rack, a winding mechanism is fixedly installed on one side of the winding rack, a compression roller device is fixedly installed on the upper surface of the winding rack, a winding mechanism is fixedly installed on the other side of the winding rack, an anti-slip mechanism is arranged in the winding rack, and an adjusting mechanism is arranged on the surface of the anti-slip mechanism. Compared with the prior art, when the compression roller device and the winding mechanism work, the plastic packing bag drives the limiting roller to rotate in the transmission process, the cooperation of the limiting roller and the U-shaped plate makes the plastic packing bag transmission more stable, avoids the plastic packing bag falling caused by the different smoothness of the surface of the plastic packing bag in the process of winding the plastic packing bag by the winding mechanism, thereby effectively avoiding the falling of the plastic packing bag, and effectively improving the stability of the plastic packing bag during transmission.

[0004] The surplus winding device of plastic packing bag disclosed in the above document can only wind the excess material of a roll of plastic bag, and cannot adjust the distance between the two limiting rollers according to the thickness of the plastic packing bag, so the practicality is not strong. Therefore, a surplus winding device of plastic packing bag is needed to solve this problem. UTILITY MODEL CONTENTS

[0005] The utility model provides a surplus winding device of plastic packing bag, which adjusts the distance between the limiting rollers by an electric push rod to adapt to different thickness of excess material, and simultaneously realizes synchronous distance adjustment of multiple limiting plates by a threaded rod linkage mechanism, which can prevent material from being crushed and significantly improve the batch winding efficiency of multiple specifications of excess material.

[0006] The utility model discloses a kind of excess amount winding devices of plastic packaging bag, including bottom plate, the upper end surface of the bottom plate is provided with limiting mechanism, the lower end surface of the bottom plate is provided with adjusting mechanism, the limiting mechanism includes the first door type frame fixedly connected to the upper end surface of bottom plate, the inner wall of the first door type frame is rotatably connected with multiple first limiting rollers evenly distributed, the upper end surface of the first door type frame is installed with electric push rod, the output end of the electric push rod extends to the lower side of first door type frame and is fixedly connected with second door type frame, the inner wall of the second door type frame is rotatably connected with multiple second limiting rollers corresponding to first limiting roller.

[0007] The limiting mechanism further includes four first sliding rods fixedly connected to the inner wall of the first door type frame, and the outer wall of the four first sliding rods is slidably connected with multiple limiting plates.

[0008] As a kind of excess amount winding device of plastic packaging bag of the utility model, preferably, the adjusting mechanism includes two mounting plates fixedly connected to the lower end surface of the bottom plate, a threaded rod is rotatably connected between the two mounting plates, the outer wall of the threaded rod is threadedly connected with sliding plate, a plurality of slotted grooves are formed in the outer wall of the sliding plate, a plurality of connecting shafts are fixedly connected to the lower end surface of the plurality of limiting plates, and the plurality of connecting shafts are slidably connected with the plurality of slotted grooves, respectively.

[0009] As a kind of excess amount winding device of plastic packaging bag of the utility model, preferably, the adjusting mechanism further includes a second sliding rod fixedly connected between the two mounting plates, and the sliding plate is slidably connected with the second sliding rod.

[0010] As a kind of excess amount winding device of plastic packaging bag of the utility model, preferably, a plurality of notches are formed in the outer wall of the limiting plate, and the plurality of notches are matched with the first limiting rollers and the second limiting rollers.

[0011] As a kind of excess amount winding device of plastic packaging bag of the utility model, preferably, the upper end surface of the bottom plate is installed with an unwinding roller and a winding roller through a support plate, and the upper end surface of the bottom plate is installed with a drive motor having an output end fixedly connected with the winding roller through the support plate.

[0012] As a kind of excess amount winding device of plastic packaging bag of the utility model, preferably, the upper end surface of the second door type frame is fixedly connected with two limiting rods slidably connected with the first door type frame.

[0013] As a kind of excess amount winding device of plastic packaging bag of the utility model, preferably, a straight slot hole is formed in the outer wall of the bottom plate.

[0014] The utility model discloses a kind of excess amount winding devices of plastic packaging bag, including bottom plate, the upper end surface of the bottom plate is provided with limiting mechanism, the lower end surface of the bottom plate is provided with adjusting mechanism, the limiting mechanism includes the first door type frame fixedly connected to the upper end surface of bottom plate, the inner wall of the first door type frame is rotatably connected with multiple first limiting rollers evenly distributed, the upper end surface of the first door type frame is installed with electric push rod, the output end of the electric push rod extends to the lower side of first door type frame and is fixedly connected with second door type frame, the inner wall of the second door type frame is rotatably connected with multiple second limiting rollers corresponding to first limiting roller.

[0015] 1. The second limiting roller is driven to rise and fall by the electric push rod, the distance between the first and second limiting rollers is flexibly adjusted, the excess material of different thicknesses is adapted, and the excess material is prevented from being pressed or relaxed;

[0016] 2. The threaded rod linkage sliding plate mechanism is adopted, a plurality of plastic packaging bag excess materials of different widths can be synchronously rolled at one time, the rolling efficiency is significantly improved, all limiting plate distances can be synchronously adjusted by single operation, different width excess materials are quickly matched, and adjustment is simple. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in the prior art, the drawings needed to be used in the specific embodiment or the prior art description will be briefly introduced below. In all the drawings, similar elements or parts are generally indicated by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual proportion.

[0018] Fig. 1 It is a whole structure diagram of the excess material rolling device of the plastic packaging bag.

[0019] Fig. 2 It is a bottom view of the excess material rolling device of the plastic packaging bag.

[0020] Fig. 3 It is a front sectional view of the excess material rolling device of the plastic packaging bag.

[0021] In the drawings, 1 is a bottom plate, 2 is a first door-shaped frame, 3 is a first limiting roller, 4 is an electric push rod, 5 is a second door-shaped frame, 6 is a second limiting roller, 7 is a first sliding rod, 8 is a limiting plate, 9 is a notch, 10 is a mounting plate, 11 is a threaded rod, 12 is a second sliding rod, 13 is a sliding plate, 14 is a sliding groove, 15 is a connecting shaft, 16 is a unwinding roller, 17 is a winding roller, 18 is a driving motor, 19 is a limiting rod, and 20 is a straight slot. DETAILED DESCRIPTION

[0022] The utility model will be further described below in combination with the drawings and specific examples, to help understand the content of the utility model. The method used in the utility model is a conventional method unless otherwise specified; the raw materials and devices used are conventional commercially available products unless otherwise specified.

[0023] Please refer to Figs. 1-3A kind of surplus of plastic packaging bag is rolled up device, including bottom plate 1, the upper end surface of bottom plate 1 is provided with limiting mechanism, the lower end surface of bottom plate 1 is provided with adjusting mechanism, limiting mechanism includes the first door-shaped frame 2 fixedly connected to the upper end surface of bottom plate 1, the inner wall of first door-shaped frame 2 is rotatably connected with multiple first limiting rollers 3 evenly distributed, the upper end surface of first door-shaped frame 2 is installed with electric push rod 4, the output end of electric push rod 4 extends to the below of first door-shaped frame 2 and is fixedly connected with second door-shaped frame 5, the inner wall of second door-shaped frame 5 is rotatably connected with multiple second limiting rollers 6 corresponding to first limiting roller 3;

[0024] Limiting mechanism further includes four first sliding rods 7 fixedly connected to the inner wall of first door-shaped frame 2, the outer wall of four first sliding rods 7 is slidably connected with multiple limiting plates 8.

[0025] In the embodiment: start electric push rod 4, electric push rod 4 drives second door-shaped frame 5 to move upwards or downwards, in turn drives second limiting roller 6 to move upwards or downwards, to adjust the interval between first limiting roller 3 and second limiting roller 6, to facilitate the limiting of plastic packaging bag of different thicknesses;Multiple limiting plates 8 can limit multiple plastic packaging bag surplus, improve the stability of subsequent plastic packaging bag rolling, and the rolling efficiency is high.

[0026] As a kind of technical optimization scheme of the utility model, adjusting mechanism includes two installation plates 10 fixedly connected to the lower end surface of bottom plate 1, the threaded rod 11 is rotatably connected between the two installation plates 10, the outer wall of threaded rod 11 is threadedly connected with sliding plate 13, the outer wall of sliding plate 13 is through and is provided with multiple horn-shaped distribution's sliding slot 14, the lower end surface of multiple limiting plates 8 is fixedly connected with connecting shaft 15, multiple connecting shaftes 15 are slidably connected with multiple sliding slots 14 respectively.

[0027] In the embodiment: rotate threaded rod 11, threaded rod 11 drives sliding plate 13 to slide along second sliding rod 12 left or right, in turn, the interval between adjacent two limiting plates 8 is adjusted synchronously by multiple sliding slots 14 and connecting shaft 15, to facilitate the interval between adjacent two limiting plates 8 to be adjusted according to the width of plastic packaging bag surplus to be rolled up, and the adjustment is simple.

[0028] As a kind of technical optimization scheme of the utility model, adjusting mechanism further includes second sliding rod 12 fixedly connected between the two installation plates 10, and sliding plate 13 is slidably connected with second sliding rod 12.

[0029] In the embodiment: sliding plate 13 is limited by second sliding rod 12, to make sliding plate 13 move stably left and right.

[0030] As a kind of technical optimization scheme of the utility model, the outer wall of limiting plate 8 is through and is provided with multiple notches 9 matched with first limiting roller 3 and second limiting roller 6.

[0031] In the embodiment, the notch 9 is arranged on the outer wall of the limiting plate 8, so that the first limiting roller 3 and the second limiting roller 6 can pass through the notch 9.

[0032] As a technical optimization scheme of the utility model, the upper end surface of the bottom plate 1 is provided with the unwinding roller 16 and the winding roller 17 through the support plate, and the upper end surface of the bottom plate 1 is provided with the driving motor 18 fixedly connected with the winding roller 17 through the support plate.

[0033] In the embodiment, the driving motor 18 is started, and the winding roller 17 is driven to rotate, so that the plastic packaging bag excess material is wound.

[0034] As a technical optimization scheme of the utility model, the upper end surface of the second door-shaped frame 5 is fixedly connected with two limiting rods 19 slidably connected with the first door-shaped frame 2.

[0035] In the embodiment, the limiting rod 19 is used to limit the second door-shaped frame 5, so that the second door-shaped frame 5 moves stably up and down.

[0036] As a technical optimization scheme of the utility model, the outer wall of the bottom plate 1 is provided with the straight slot hole 20.

[0037] In the embodiment, the straight slot hole 20 is arranged on the outer wall of the bottom plate 1, so that the connecting shaft 15 can pass through the straight slot hole 20 and extend to the lower side of the bottom plate 1.

[0038] The working principle and the use process of the utility model are as follows: in use, first, the plurality of winding packaging bag excess materials to be wound are sleeved on the unwinding roller 16, one end of the packaging bag excess material is pulled to pass through the plurality of first limiting rollers 3 and the second limiting rollers 6, and the packaging bag excess material is located between the adjacent two limiting plates 8, finally, the one end of the packaging bag excess material is wound on the winding roller 17, then the electric push rod 4 is started, the electric push rod 4 drives the second door-shaped frame 5 to move downward, and then drives the second limiting roller 6 to move downward, so that the packaging bag excess material is limited between the first limiting roller 3 and the second limiting roller 6, then the driving motor 18 is started, the driving motor 18 drives the winding roller 17 to rotate, so that the plastic packaging bag excess material is wound; when the distance between the limiting plates 8 is adjusted, the threaded rod 11 is rotated, the threaded rod 11 drives the sliding plate 13 to slide leftward or rightward along the second sliding rod 12, and then the distance between the adjacent two limiting plates 8 is synchronously adjusted through the plurality of sliding grooves 14 and the connecting shaft 15, so that the distance between the adjacent two limiting plates 8 can be adjusted according to the width of the plastic packaging bag excess material to be wound, the adjustment is simple, the utility model can adjust the distance between the first limiting roller 3 and the second limiting roller 6 according to the thickness of the packaging bag excess material, and a plurality of packaging bag excess materials can be wound at one time, so that the winding efficiency is high.

[0039] In the description of the utility model, need understanding is, the term "left", "right", "up", "down", "top", "bottom", "front", "back", "inside", "outside", "back", "intermediate" and so on indicate the orientation or position relation is based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and is not indicating or implying that the indicated device or element must have a specific orientation, a specific orientation structure and operation, therefore it cannot be understood as a limitation on the utility model.

[0040] The above-mentioned is only a specific embodiment of the utility model, and cannot limit the range of the utility model, so the replacement of equivalent components or equivalent changes and modifications made in the protection range of the utility model patent should still belong to the scope covered by the claims of the utility model.

Claims

1. A device for rewinding excess plastic packaging bags, comprising a base plate (1), characterized in that: The upper end face of the base plate (1) is provided with a limiting mechanism, and the lower end face of the base plate (1) is provided with an adjustment mechanism. The limiting mechanism includes a first portal frame (2) fixedly connected to the upper end face of the base plate (1). The inner wall of the first portal frame (2) is rotatably connected with a plurality of evenly distributed first limiting rollers (3). An electric push rod (4) is installed on the upper end face of the first portal frame (2). The output end of the electric push rod (4) extends to the lower part of the first portal frame (2) and is fixedly connected with a second portal frame (5). The inner wall of the second portal frame (5) is rotatably connected with a plurality of second limiting rollers (6) corresponding to the first limiting rollers (3). The limiting mechanism also includes four first slide rods (7) fixedly connected to the inner wall of the first portal frame (2), and multiple limiting plates (8) are slidably connected to the outer walls of the four first slide rods (7).

2. The excess rewinding device for plastic packaging bags according to claim 1, characterized in that: The adjustment mechanism includes two mounting plates (10) fixedly connected to the lower end face of the base plate (1). A threaded rod (11) is rotatably connected between the two mounting plates (10). A sliding plate (13) is threadedly connected to the outer wall of the threaded rod (11). A plurality of funnel-shaped sliding grooves (14) are opened through the outer wall of the sliding plate (13). A connecting shaft (15) is fixedly connected to the lower end face of the plurality of limiting plates (8). The plurality of connecting shafts (15) are slidably connected to the plurality of sliding grooves (14).

3. The excess rewinding device for plastic packaging bags according to claim 2, characterized in that: The adjustment mechanism also includes a second slide rod (12) fixedly connected between the two mounting plates (10), and the slide plate (13) is slidably connected to the second slide rod (12).

4. The excess material winding device for plastic packaging bags according to claim 1, characterized in that: The outer wall of the limiting plate (8) is provided with multiple slots (9) that match the first limiting roller (3) and the second limiting roller (6).

5. The excess rewinding device for plastic packaging bags according to claim 1, characterized in that: The upper end face of the base plate (1) is equipped with an unwinding roller (16) and a winding roller (17) via a support plate. The upper end face of the base plate (1) is equipped with a drive motor (18) whose output end is fixedly connected to the winding roller (17) via a support plate.

6. The excess rewinding device for plastic packaging bags according to claim 1, characterized in that: The upper end face of the second portal frame (5) is fixedly connected with two limiting rods (19) that are slidably connected to the first portal frame (2).

7. The excess material winding device for plastic packaging bags according to claim 1, characterized in that: A straight slot (20) is provided through the outer wall of the base plate (1).

Images