Flattening device for food packaging film

Abstract

The utility model discloses a food packaging film flattening device which comprises a machine frame, the inner walls of the two sides of one end of the machine frame are both rotationally connected with winding rollers, the two sides of the bottom end of the inner wall of the machine frame are both fixedly connected with triangular blocks, the surfaces of the bevel angle ends of the two triangular blocks are both fixedly connected with telescopic rods, and the inner walls of the two sides of the other end of the machine frame are both rotationally connected with transmission rods. The outer surfaces of the transmission rods are fixedly connected with connecting rods, the two ends of each connecting rod are fixedly connected with connecting rods, first springs are fixedly connected between the two connecting rods and the inclined ends of the triangular blocks, a limiting roller is rotationally connected between the two connecting rods, sliding grooves are formed in the outer surfaces of one sides of the two connecting rods, and sliding blocks are slidably connected to the inner walls of the two sliding grooves. According to the winding device for the packaging film, the tension of the packaging film in the winding process is improved, the packaging film is prevented from deviating in the winding process, and the winding efficiency is high.

Description

Technical Field

[0001] The utility model relates to the technical field of food packaging film production equipment, in particular to a food packaging film flattening device. Background Art

[0002] During the production of existing food packaging films, a large number of bubbles will be generated when the winding roller is winding the packaging film, causing wrinkles and bulges on the packaging film, thereby affecting the quality of the food preservative film when it is produced. A flattening device is generally used to assist in tensioning. When the winding displacement deviates, the flattening device cannot provide auxiliary adjustment. Utility Model Content

[0003] The utility model aims to provide a flattening device for food packaging film, so as to solve the technical problem that the existing flattening device has no coordination assistance.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A device for flattening film for food packaging comprises a frame, the inner walls on both sides of one end of the frame are rotatably connected to winding rollers, the inner walls on both sides of the bottom end of the frame are fixedly connected to triangular blocks, the oblique end surfaces of the two triangular blocks are fixedly connected to telescopic rods, the inner walls on both sides of the other end of the frame are rotatably connected to transmission rods, the outer surfaces of the transmission rods are fixedly connected to connecting rods, both ends of the connecting rods are fixedly connected to connecting rods, first springs are fixedly connected between the two connecting rods and the inclined ends of the triangular blocks, and the first springs are sleeved on the outer ends of the telescopic rods, limiting rollers are rotatably connected between the two connecting rods, sliding grooves are provided on the outer surfaces of one side of the two connecting rods, sliders are slidably connected to the inner walls of the two sliding grooves, a cross bar is fixedly connected between the two sliders, and a plurality of punching nails are fixedly connected to the tops of the cross bars.

[0006] As a preferred solution of the utility model, a support plate is fixedly connected to the upper surface of the other end of the frame, electric telescopic rods are fixedly installed at both ends of the lower surface of the support plate, and pressure rollers are fixedly connected to the output ends of the two electric telescopic rods.

[0007] As a preferred solution of the utility model, a guide rod is fixedly connected between the inner walls of the two slide grooves, and the guide rod is slidably connected to the slider, and a second spring is fixedly connected between the two sliders and the inner walls of the slide groove and sleeved on the outer end of the guide rod.

[0008] As a preferred solution of the utility model, the two connecting rods and the beveled ends of the triangular blocks have the same inclination angle.

[0009] As a preferred solution of the present invention, both sliding blocks are clamped in the sliding groove.

[0010] Compared with the prior art, the beneficial effect of the flattening device for food packaging film of the utility model is that the limiting roller squeezes the packaging film with gradually increasing size, thereby increasing the tension of the packaging film when winding it and preventing it from shifting during winding, and at the same time, opening several breakpoints on the packaging film to improve the winding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments are briefly introduced below. Obviously, the drawings described below are only examples of the embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0012] Figure 1 It is a schematic diagram of the structure of an embodiment of the utility model;

[0013] Figure 2 This is a schematic cross-sectional structural diagram of a frame in an embodiment of the utility model;

[0014] Figure 3 This is a schematic cross-sectional view of the connecting rod in the embodiment of the utility model;

[0015] Figure 4 This is a schematic diagram of the structure of the pressure roller in the embodiment of the utility model;

[0016] Figure 5 This is a schematic diagram of the enlarged structure at point A.

[0017] Figure numerals: frame 1, winding roller 11, support plate 12, electric telescopic rod 13, pressure roller 14, triangular block 2, telescopic rod 21, first spring 22, connecting rod 3, slide groove 301, transmission rod 31, connecting rod 32, limiting roller 33, guide rod 4, slider 41, second spring 42, cross bar 5, punching nail 51. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solution and advantages of the embodiments of the present invention more clear, the embodiments of the present invention are further described in detail in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0019] In the description of the embodiments of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the embodiments of the present invention.

[0020] In the description of the embodiments of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, an integral connection, or a detachable connection; it can be the internal connection of two components; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0021] See also Figure 1-5 As shown, an embodiment of the utility model is a device for flattening film for food packaging, comprising a frame 1, the inner walls on both sides of one end of the frame 1 are rotatably connected to winding rollers 11, the bottom ends of the inner walls of the frame 1 are fixedly connected to triangular blocks 2, and the oblique end surfaces of the two triangular blocks 2 are fixedly connected to telescopic rods 21.

[0022] The inner walls on both sides of the other end of the frame 1 are rotatably connected with transmission rods 31, the outer surfaces of the transmission rods 31 are fixedly connected with connecting rods 3, both ends of the connecting rods 3 are fixedly connected with connecting rods 32, the two connecting rods 32 are fixedly connected with the inclined ends of the triangular block 2, and the first spring 22 is sleeved on the outer end of the telescopic rod 21, and the two connecting rods 32 are rotatably connected with limiting rollers 33, the outer surfaces of one side of the two connecting rods 32 are provided with sliding grooves 301, the inner walls of the two sliding grooves 301 are slidably connected with sliders 41, a cross bar 5 is fixedly connected between the two sliders 41, and a plurality of punching nails 51 are fixedly connected to the top of the cross bar 5.

[0023] A support plate 12 is fixedly connected to the upper surface of the other end of the frame 1, and electric telescopic rods 13 are fixedly installed at both ends of the lower surface of the support plate 12. The output ends of the two electric telescopic rods 13 are fixedly connected to pressure rollers 14. Starting the electric telescopic rods 13 drives the pressure rollers 14 to press the food packaging film downward, thereby making it contact with a plurality of punching nails 51.

[0024] A guide rod 4 is fixedly connected between the inner walls of the two slide grooves 301, and the guide rod 4 is slidably connected to the slider 41. A second spring 42 is fixedly connected between the two sliders 41 and the inner walls of the slide grooves 301 and sleeved on the outer ends of the guide rod 4. The second spring 42 can play a role of downward pressure buffering on the slider 41.

[0025] The two connecting rods 32 and the beveled ends of the triangular block 2 have the same inclination angle, and the connecting rods 32 with the same inclination angle can stretch the first spring 22 .

[0026] The two sliders 41 are both stuck in the slide groove 301 , and the slide groove 301 can limit the sliders 41 .

[0027] When the embodiment of the utility model is used, the winding roller 11 is started to rotate. When the winding roller 11 is winding the packaging film, the size of the packaging film will gradually increase as the packaging film is wound. When the packaging film contacts the limiting roller 33, the limiting roller 33 will drive the connecting rod 3 to rotate at a certain angle through the connecting rod 32. At this time, the connecting rod 3 will rotate along the inner wall of the frame 1 through the transmission rod 31. The connecting rod 32 will cause the limiting roller 33 to squeeze the packaging film under the action of the stretching of the first spring 22, thereby increasing the tension of the packaging film during winding and preventing it from deviating during the winding process. The electric telescopic rod 13 is randomly started again to drive the pressure roller 14 to press the food packaging film downward, thereby making it contact with a plurality of punching nails 51, so that a plurality of breakpoints can be opened through the surface of the packaging film, thereby improving the winding efficiency to a certain extent.

[0028] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A device for flattening a food packaging film, comprising a frame (1), characterized in that: The inner walls on both sides of one end of the frame (1) are rotatably connected to winding rollers (11), the inner walls on both sides of the bottom end of the frame (1) are fixedly connected to triangular blocks (2), the oblique end surfaces of the two triangular blocks (2) are fixedly connected to telescopic rods (21), the inner walls on both sides of the other end of the frame (1) are rotatably connected to transmission rods (31), the outer surfaces of the transmission rods (31) are fixedly connected to connecting rods (3), the two ends of the connecting rods (3) are fixedly connected to connecting rods (32), and the two connecting rods (32) are fixedly connected to the triangular blocks ( 2) A first spring (22) is fixedly connected between the inclined ends, and the first spring (22) is sleeved on the outer end of the telescopic rod (21); a limit roller (33) is rotatably connected between the two connecting rods (32); a sliding groove (301) is provided on the outer surface of one side of the two connecting rods (32); a slider (41) is slidably connected to the inner wall of the two sliding grooves (301); a cross bar (5) is fixedly connected between the two sliders (41); and a plurality of punching nails (51) are fixedly connected to the top of the cross bar (5).

2. The device for flattening a food packaging film according to claim 1, characterized in that: A support plate (12) is fixedly connected to the upper surface of the other end of the frame (1), electric telescopic rods (13) are fixedly mounted on both ends of the lower surface of the support plate (12), and pressure rollers (14) are fixedly connected to the output ends of the two electric telescopic rods (13).

3. The device for flattening a food packaging film according to claim 1, characterized in that: A guide rod (4) is fixedly connected between the inner walls of the two slide grooves (301), and the guide rod (4) is slidably connected to the slider (41). A second spring (42) is fixedly connected between the two sliders (41) and the inner wall of the slide groove (301) and sleeved on the outer end of the guide rod (4).

4. The device for flattening a food packaging film according to claim 1, characterized in that: The two connecting rods (32) and the beveled ends of the triangular block (2) have the same inclination angle.

5. The device for flattening a food packaging film according to claim 1, characterized in that: The two sliding blocks (41) are both clamped in the sliding groove (301).

Images