Packaging film winding machine convenient for flat winding

Abstract

The utility model relates to the technical field of packaging film winding, in particular to a packaging film winding machine convenient for flat winding, and adopts the technical scheme that the packaging film winding machine comprises a bottom plate and a second mounting plate, symmetrically distributed support frames are mounted at the side end of the bottom plate, a top plate is mounted between the support frames, and symmetrically distributed electric push rods are mounted at the upper end of the top plate; fixing rods which are symmetrically distributed are mounted at the tail end of a piston rod of the electric push rod, the two second mounting plates are symmetrically mounted on one side of the upper end face of the bottom plate, a threaded rod is rotatably mounted between the second mounting plates, movable blocks which are symmetrically distributed are mounted on the threaded rod in a threaded mode, and a supporting plate is mounted at the upper ends of the movable blocks; a rotating shaft is rotationally installed on the upper portion of the side end of the supporting plate, positioning blocks are installed at the tail end of the rotating shaft, rectangular grooves are formed in the front ends of the positioning blocks, and a winding roller is installed between the positioning blocks. The packaging film winding device has the advantages that packaging films with different widths can be wound, and the packaging films can be wound smoothly.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging film winding, in particular to a packaging film winding machine which is convenient for smooth winding. Background Art

[0002] Packaging film is a film made of polymer materials, which is usually used to package, protect, transport and store various products. It has the characteristics of lightness, transparency, waterproof, moisture-proof, weather-resistant, wear-resistant, etc., and has good mechanical properties and processing properties.

[0003] The packaging film needs to be rolled up during production and processing. Currently, the packaging film winder is prone to uneven rolling during use, resulting in wrinkles in the rolled packaging film. In addition, the packaging film winder cannot be adjusted and cannot be installed with winding rollers of different lengths, which causes inconvenience in rolling up packaging films of different widths. Utility Model Content

[0004] The utility model aims to provide a packaging film winding machine which is convenient for smooth winding, and has the advantages of being able to wind packaging films of different widths and winding them smoothly, thus solving the problems raised by the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a packaging film winder that is easy to roll up, comprising a bottom plate and a second mounting plate, the side ends of the bottom plate are mounted with symmetrically distributed support frames, a top plate is mounted between the support frames, the upper end of the top plate is mounted with symmetrically distributed electric push rods, the piston rod ends of the electric push rods are mounted with symmetrically distributed fixing rods, two of the second mounting plates are symmetrically mounted on one side of the upper end surface of the bottom plate, a threaded rod is rotatably mounted between the second mounting plates, symmetrically distributed movable blocks are threadedly mounted on the threaded rods, the upper end of the movable block is mounted with a support plate, a rotating shaft is rotatably mounted at the upper position of the side end of the support plate, a positioning block is mounted at the end of the rotating shaft, a rectangular groove is provided at the front end of the positioning block, and a winding roller is mounted between the positioning blocks.

[0006] When using the packaging film winding machine that is convenient for smooth winding,

[0007] The winding roller is installed between the positioning blocks, and the distance between the positioning blocks is adjusted according to the length of the winding roller. The threaded rod can be rotated by the operation of the first driving device, and the distance between the positioning blocks can be adjusted with the cooperation of the two movable blocks. When the winding roller is installed, both ends are plugged into the rectangular groove. When the packaging film is wound, the second driving device is operated to rotate the winding roller for winding. The wound packaging film is tensioned by two tensioning rollers. The height of the two tensioning rollers can be adjusted by the operation of two electric push rods to increase or decrease the height difference between the two tensioning rollers, thereby adjusting the tension of the packaging film and ensuring the flatness of the rolled packaging film.

[0008] Preferably, a base is installed at the lower end of the bottom plate, and there are four bases in total, and the four bases are distributed in an array with respect to the bottom plate.

[0009] Preferably, a first driving device is provided at the side end of the second mounting plate, and a main shaft of the first driving device is connected to the axis of the threaded rod.

[0010] Preferably, the threaded rod is provided with a positive thread structure and a negative thread structure, and the positive thread structure and the negative thread structure are symmetrically distributed with respect to the threaded rod.

[0011] Preferably, a second driving device is provided at the side end of the support plate, and a main shaft of the second driving device is connected to the axis of the rotating shaft.

[0012] Preferably, rectangular blocks are provided at both ends of the winding roller, and the rectangular blocks are inserted into the rectangular grooves.

[0013] Preferably, a first mounting plate is installed at the end of the fixing rod, and a tensioning roller is rotatably installed between the first mounting plates.

[0014] Preferably, a threaded hole penetrating the movable block is formed at the side end of the movable block, and the size of the threaded hole matches the size of the threaded rod.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows: the winding roller is installed between the positioning blocks, and the threaded rod can be rotated by the operation of the first driving device. The distance between the positioning blocks can be adjusted with the cooperation of the two movable blocks, and winding rollers of different lengths can be installed, which is convenient for winding packaging films of different widths. During the winding process of the packaging film, the heights of the two tensioning rollers can be adjusted by the operation of the two electric push rods, so that the height difference between the two tensioning rollers can be increased or decreased, the tension of the packaging film can be adjusted, and the flatness of the winding of the packaging film can be ensured. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a front view structural schematic diagram of the utility model;

[0017] Figure 2 It is a rear view structural schematic diagram of the utility model;

[0018] Figure 3 It is a partial structural schematic diagram of the utility model.

[0019] The reference numerals and names in the figures are as follows:

[0020] 101. Bottom plate; 102. Base; 103. Support frame; 104. Top plate; 105. Electric push rod; 106. Fixed rod; 107. First mounting plate; 108. Tensioning roller; 201. Second mounting plate; 202. First driving device; 203. Threaded rod; 204. Movable block; 205. Support plate; 206. Rotating shaft; 207. Second driving device; 208. Positioning block; 209. Rectangular groove; 210. Winding roller. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions 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. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Example

[0023] See also Figures 1 to 3 The utility model provides an embodiment: a packaging film winding machine that is convenient for smooth winding, comprising:

[0024] A bottom plate 101 and a second mounting plate 201, the side ends of the bottom plate 101 are mounted with symmetrically distributed support frames 103, a top plate 104 is mounted between the support frames 103, the upper ends of the top plates 104 are mounted with symmetrically distributed electric push rods 105, the piston rod ends of the electric push rods 105 are mounted with symmetrically distributed fixing rods 106, the two second mounting plates 201 are symmetrically mounted on one side of the upper end surface of the bottom plate 101, a threaded rod 203 is rotatably mounted between the second mounting plates 201, symmetrically distributed movable blocks 204 are threadedly mounted on the threaded rods 203, a support plate 205 is mounted on the upper end of the movable block 204, a rotating shaft 206 is rotatably mounted at the upper position of the side end of the support plate 205, a positioning block 208 is mounted at the end of the rotating shaft 206, a rectangular groove 209 is provided at the front end of the positioning block 208, and a winding roller 210 is installed between the positioning blocks 208.

[0025] In this embodiment, the winding roller 210 is installed between the positioning blocks 208, and the distance between the positioning blocks 208 is adjusted according to the length of the winding roller 210. The threaded rod 203 can be rotated by the operation of the first driving device 202, and the distance between the positioning blocks 208 can be adjusted with the cooperation of the two movable blocks 204. When the winding roller 210 is installed, the two ends are plugged into the rectangular groove 209. When the packaging film is rolled up, the second driving device 207 is operated to rotate the winding roller 210 for rolling up. The rolled packaging film is tensioned by the two tensioning rollers 108. The height of the two tensioning rollers 108 can be adjusted by the operation of the two electric push rods 105, so that the height difference between the two tensioning rollers 108 becomes larger or smaller, the tension of the packaging film can be adjusted, and the flatness of the rolled packaging film can be ensured.

[0026] Furthermore, a base 102 is installed at the lower end of the bottom plate 101 , and there are four bases 102 in total, and the four bases 102 are distributed in an array with respect to the bottom plate 101 .

[0027] Furthermore, a first driving device 202 is provided at the side end of the second mounting plate 201, and the main shaft of the first driving device 202 is connected to the axis of the threaded rod 203. The first driving device 202 can make the threaded rod 203 rotate clockwise or counterclockwise.

[0028] Furthermore, the threaded rod 203 is provided with a positive thread structure and a negative thread structure, which are symmetrically distributed about the threaded rod 203. The positive thread structure and the negative thread structure are arranged so that the two movable blocks 204 move away from or close to each other when the threaded rod 203 rotates.

[0029] Furthermore, a second driving device 207 is provided at the side end of the support plate 205, and the main shaft of the second driving device 207 is connected to the axis of the rotating shaft 206. The rotating shaft 206 can be rotated by the operation of the second driving device 207.

[0030] Furthermore, rectangular blocks are provided at both ends of the winding roller 210, and the rectangular blocks are inserted into the rectangular grooves 209. The rectangular grooves 209 and the rectangular blocks can be provided to install and position the winding roller 210.

[0031] Furthermore, a first mounting plate 107 is installed at the end of the fixing rod 106, and a tensioning roller 108 is rotatably installed between the first mounting plates 107. The tensioning roller 108 is used to tension the packaging film.

[0032] Furthermore, a threaded hole penetrating the movable block 204 is formed at a side end of the movable block 204 , and the size of the threaded hole matches the size of the threaded rod 203 .

[0033] The electric push rod 105, the first drive device 202 and the second drive device 207 in the present invention are well-known devices, and their working principles and circuit connections are well known to technicians in the field. They are all conventional means or common knowledge and will not be elaborated here. Those skilled in the art can make any selections according to their needs or convenience.

[0034] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A packaging film winding machine for smooth winding, comprising a bottom plate (101) and a second mounting plate (201), characterized in that: The side ends of the bottom plate (101) are provided with symmetrically distributed support frames (103), a top plate (104) is provided between the support frames (103), an upper end of the top plate (104) is provided with symmetrically distributed electric push rods (105), the piston rod ends of the electric push rods (105) are provided with symmetrically distributed fixing rods (106), two second mounting plates (201) are symmetrically mounted on one side of the upper end surface of the bottom plate (101), and a rotation mounting is provided between the second mounting plates (201). A threaded rod (203) is provided, on which movable blocks (204) are threadedly installed in a symmetrical manner, a support plate (205) is installed at the upper end of the movable block (204), a rotating shaft (206) is rotatably installed at the upper position of the side end of the support plate (205), a positioning block (208) is installed at the end of the rotating shaft (206), a rectangular groove (209) is provided at the front end of the positioning block (208), and a winding roller (210) is installed between the positioning blocks (208).

2. A packaging film winding machine for smooth winding according to claim 1, characterized in that: A base (102) is installed at the lower end of the bottom plate (101), and there are four bases (102) in total, and the four bases (102) are distributed in an array with respect to the bottom plate (101).

3. The packaging film winding machine for smooth winding according to claim 1, characterized in that: A first driving device (202) is provided at the side end of the second mounting plate (201), and the main shaft of the first driving device (202) is connected to the axis of the threaded rod (203).

4. The packaging film winding machine for smooth winding according to claim 1, characterized in that: The threaded rod (203) is provided with a positive thread structure and a negative thread structure, and the positive thread structure and the negative thread structure are symmetrically distributed with respect to the threaded rod (203).

5. The packaging film winding machine for smooth winding according to claim 1, characterized in that: A second driving device (207) is provided at the side end of the support plate (205), and the main shaft of the second driving device (207) is connected to the axis of the rotating shaft (206).

6. The packaging film winding machine for smooth winding according to claim 1, characterized in that: Rectangular blocks are provided at both ends of the winding roller (210), and the rectangular blocks are inserted into the rectangular grooves (209).

7. The packaging film winding machine for smooth winding according to claim 1, characterized in that: A first mounting plate (107) is mounted at the end of the fixing rod (106), and a tensioning roller (108) is rotatably mounted between the first mounting plates (107).

8. The packaging film winding machine for smooth winding according to claim 1, characterized in that: A threaded hole penetrating the movable block (204) is provided at the side end of the movable block (204), and the size of the threaded hole matches the size of the threaded rod (203).

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