PE protective film processing and cutting mechanism

Abstract

The utility model discloses a PE protective film processing and cutting mechanism which comprises a cutting mechanism body, the cutting mechanism body comprises a base, vertical plates are welded and fixed to the two sides of one end of the upper surface of the base, a rolling shaft is rotationally arranged at the joint of the two vertical plates, and a motor is installed at the position, located on the surfaces of the vertical plates, of the end of the rolling shaft. A U-shaped frame is fixedly welded to the middle position of the upper surface of the base. By designing the leveling mechanism, when the cutting mechanism main body is subjected to cutting treatment, the PE protective film passes through the lower surface of a leveling roller after being opened from the outer surface of a winding shaft, and a spring II deforms to drive a sliding block to slide in a sliding groove until the leveling roller is pressed down and tightly pressed on the surface of the PE protective film through the sliding block; the PE protective film can be conveniently pressed on the surface of the base to be leveled and then cut, the PE protective film can be conveniently pressed to make contact with the surface of the base to be cut in the cutting process, position changes are not prone to occurring in the cutting process, and cutting is more accurate.

Description

Technical Field

[0001] The utility model belongs to the technical field of cutting machines, and particularly relates to a cutting mechanism for PE protective film processing. Background Technique

[0002] PE protective film is the simplest high-molecular organic compound and the most widely used high-molecular material in the world today. When PE protective film is processed and produced, it needs to be cut. Usually, a cutting machine is used for cutting. The existing cutting machine is a device used for cutting and processing PE protective film during production. When cutting, it is convenient to level, tightly press and position the PE protective film before cutting, making the cutting more stable, and improving the leveling effect and accuracy of the cutting mechanism body for cutting the PE protective film.

[0003] When the existing cutting machine is used for cutting and processing PE protective film during production, the winding roller at one end rotates directly to open the PE protective film, and the PE protective film is directly extended to the bottom end of the U-shaped frame for cutting by the downward cutting knife. Therefore, during the cutting process, the PE protective film is not on the same plane as the cutting position after being opened, and there is a certain inclination angle between the PE protective film and the surface of the base, which is not convenient for tightly pressing the PE protective film to the surface of the base for leveling and tight pressing cutting. This causes the position of the PE protective film to change during cutting and the cutting to be inaccurate, thus affecting the leveling effect and cutting accuracy of the cutting mechanism during the processing and production of PE protective film. For this reason, the utility model proposes a cutting mechanism for PE protective film processing. Content of the Utility Model

[0004] The purpose of the utility model is to provide a cutting mechanism for PE protective film processing, so as to solve the problem proposed in the above background technique that the PE protective film is not on the same plane as the cutting position after being opened, there is a certain inclination angle between the PE protective film and the surface of the base, which is not convenient for tightly pressing the PE protective film to the surface of the base for leveling and tight pressing cutting, resulting in the position change of the PE protective film during cutting and inaccurate cutting, thus affecting the leveling effect and cutting accuracy of the cutting mechanism during the processing and production of PE protective film.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A cutting mechanism for PE protective film processing, including a cutting mechanism main body, the cutting mechanism main body includes a base, both sides at one end of the upper surface of the base are welded and fixed with vertical plates, a winding shaft is rotated at the connection of the two vertical plates, a motor is installed on the surface of the vertical plate at the end of the winding shaft, a U-shaped frame is welded and fixed at the middle position of the upper surface of the base, two cylinders are fixedly installed at the top end of the U-shaped frame through bolts, a connecting plate is fixedly installed at the end of the two cylinders at the inner top end of the U-shaped frame through screws, and a cutting knife is fixedly installed on the lower surface of the connecting plate through screws. The following is also provided on the cutting mechanism main body:

[0006] Leveling mechanism, and the leveling mechanism includes a fixed connection component arranged on the upper surface of the base at the connection between the U-shaped frame and the vertical plate. An elastic pressing component is arranged inside the fixed connection component, and a leveling component is arranged at the ends of two elastic pressing components;

[0007] Positioning mechanism, and the positioning mechanism includes positioning components arranged at both ends of the connecting plate. An elastic connection component II is arranged at the connection between the top end of the positioning component and the side surface of the connecting plate.

[0008] Preferably, the fixed connection component includes a fixing plate welded and fixed on the upper surface of the base at the connection between the vertical plate and the U-shaped frame, and the two fixing plates are symmetrically arranged.

[0009] Preferably, the elastic pressing component includes a sliding groove opened inside the fixing plate. A sliding block is arranged at the bottom end inside the sliding groove, and a spring II is welded and fixed at the connection between the upper surface of the sliding block and the top end inside the sliding groove.

[0010] Preferably, the sliding block is slidably connected to the inside of the sliding groove, and the sliding block and the inside of the sliding groove are elastically pressed and connected through the spring II.

[0011] Preferably, the leveling component includes a leveling roller rotatably connected at the connection of two sliding blocks through a bearing.

[0012] Preferably, the positioning component includes lower pressing plates arranged at both ends of the connecting plate, and an anti-slip pad is fixedly installed at the bottom end of the lower pressing plate through a screw.

[0013] Preferably, the elastic connection component II includes a chute opened inside the lower pressing plate. A slider is arranged at the top end inside the chute, and a spring I is welded and fixed at the connection between the lower surface of the slider and the bottom end of the chute. A connecting rod is welded and fixed to the side surface of the slider, and the end of the connecting rod is welded and fixed to the side surface of the connecting plate.

[0014] Compared with the prior art, the beneficial effects of the present utility model are:

[0015] By designing the leveling mechanism, when the main body of the cutting mechanism is performing cutting processing, after the PE protective film is opened from the outer surface of the rewinding roller and passes through the lower surface of the leveling roller, the spring II deforms to drive the sliding block to slide inside the sliding groove until the leveling roller is tightly pressed against the surface of the PE protective film through the sliding block, facilitating tightly pressing the PE protective film on the surface of the base for leveling and then cutting. During cutting, it is convenient to tightly press the PE protective film against the surface of the base for cutting, and the position is not likely to change during cutting, the cutting is more accurate, improving the leveling effect and cutting accuracy when the main body of the cutting mechanism processes the PE protective film. Description of the Drawings

[0016] Figure 1 It is a structural schematic diagram of the present utility model;

[0017] Figure 2 It is a side-sectional structural schematic diagram of the present utility model;

[0018] Figure 3 It is a side-sectional structural schematic diagram of the base, fixed plate and leveling roller of the present utility model;

[0019] Figure 4 It is a partial-sectional structural schematic diagram of the connection between the fixed plate and the leveling roller of the present utility model;

[0020] Figure 5 It is a side-sectional structural schematic diagram of the lower pressing plate, connecting rod and connecting plate of the present utility model;

[0021] In the figure: 100, the main body of the cutting mechanism; 101, the base; 1011, the fixed plate; 1012, the leveling roller; 1013, the second spring; 1014, the sliding groove; 1015, the sliding block; 102, the vertical plate; 103, the winding shaft; 104, the cylinder; 105, the connecting plate; 106, the U-shaped frame; 107, the cutting knife; 1071, the lower pressing plate; 1072, the connecting rod; 1073, the slider; 1074, the first spring; 1075, the chute; 1076, the anti-slip pad. Specific embodiments

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0023] Please refer to Figures 1 to 5, the utility model provides a technical solution: a PE protective film processing and cutting mechanism, including a cutting mechanism main body 100. The cutting mechanism main body 100 includes a base 101. On both sides of one end of the upper surface of the base 101, vertical plates 102 are welded and fixed. A winding shaft 103 is rotated at the connection of the two vertical plates 102. At the end of the winding shaft 103, a motor is installed on the surface of the vertical plate 102. The PE protective film reel with more winding is fixed on the outer surface of the winding shaft 103 at one end of the base 101. On the other end of the upper surface of the base 101, a reel to be wound is installed until one end of the PE protective film is opened and closed on the lower surface of the U-shaped frame 106 on the surface of the base 101. In the middle position of the upper surface of the base 101, a U-shaped frame 106 is welded and fixed. At the top of the U-shaped frame 106, two cylinders 104 are fixed by bolts. At the end of the two cylinders 104, a connecting plate 105 is fixed by screws inside the top of the U-shaped frame 106. A cutting knife 107 is fixed by screws on the lower surface of the connecting plate 105. Until one end of the PE protective film is opened and closed on the lower surface of the U-shaped frame 106 on the surface of the base 101, and the two cylinders 104 move simultaneously to drive the connecting plate 105 and the cutting knife 107 to move down until the cutting knife 107 moves down to the surface of the PE protective film for cutting. After cutting, it is directly taken out from the other end of the base 101. The cutting mechanism main body 100 is further provided with:

[0024] A leveling mechanism, and the leveling mechanism includes a fixed connection component arranged on the upper surface of the base 101 at the connection of the U-shaped frame 106 and the vertical plate 102. An elastic pressing component is arranged inside the fixed connection component. At the ends of the two elastic pressing components, a leveling component is arranged. When the cutting mechanism main body 100 processes and cuts the PE protective film, the leveling mechanism can level and tightly press the PE protective film on the surface of the base 101 for cutting. During cutting, the position is not likely to change, the cutting is more accurate, and the leveling effect and cutting accuracy of the cutting mechanism main body 100 for the PE protective film cutting are improved.

[0025] In order to facilitate the fixed installation of the leveling roller 1012 through the fixed connection component and cut the PE protective film after leveling, in this embodiment, preferably, the fixed connection component includes a fixed plate 1011 welded and fixed on the upper surface of the base 101 at the connection of the vertical plate 102 and the U-shaped frame 106. The two fixed plates 1011 are symmetrically arranged.

[0026] In order to facilitate the elastic pressing of the leveling roller 1012 through the elastic pressing component and make it easy to perform cutting treatment on the elastic pressing and leveling, in this embodiment, preferably, the elastic pressing component includes a sliding groove 1014 opened inside the fixing plate 1011. A sliding block 1015 is provided at the inner bottom end of the sliding groove 1014. A second spring 1013 is welded and fixed at the connection between the upper surface of the sliding block 1015 and the inner top end of the sliding groove 1014. Due to the deformation of the second spring 1013, the sliding block 1015 slides inside the sliding groove 1014, thereby elastically pressing the sliding block 1015 to drive the leveling roller 1012 to press tightly on the surface of the PE protective film, facilitating the elastic pressing and leveling during conveying.

[0027] In order to facilitate the opening and leveling of the PE protective film on the surface of the base 101 and perform cutting treatment through the leveling mechanism, in this embodiment, preferably, the leveling component includes a leveling roller 101 at the connection of two sliding blocks 1015 that rotates through bearings, facilitating the pressing of the leveling roller 1012 on the surface of the PE protective film for leveling and conveying treatment.

[0028] A positioning mechanism, and the positioning mechanism includes positioning components provided at both end parts of the two sides of the connecting plate 105. An elastic connection component two is provided at the connection between the top end of the positioning component and the side surface of the connecting plate 105. When the cutting mechanism main body 100 cuts and processes the PE protective film, when cutting downwards, it drives the positioning mechanism to press tightly on the surface of the PE protective film for positioning and cutting, cutting more stably and accurately, and improving the accuracy of the cutting mechanism main body 100 for cutting the PE protective film.

[0029] In order to facilitate the downward pressing to the surface of the PE protective film for positioning and cutting through the positioning component, in this embodiment, preferably, the positioning component includes a lower pressing plate 1071 provided at both end parts of the two sides of the connecting plate 105. An anti-slip pad 1076 is fixedly installed at the bottom end of the lower pressing plate 1071 by screws. When the connecting plate 105 and the cutting knife 107 move downwards for cutting, it drives the lower pressing plate 1071 and the anti-slip pad 1076 to press tightly on the surface of the PE protective film for pressing and positioning cutting treatment.

[0030] In order to facilitate the sliding and pressing of the connecting plate 105 on the side inside the lower pressing plate 1071 when it continues to move downward through the elastic connection component, in this embodiment, preferably, the second elastic connection component includes a sliding groove 1075 opened inside the lower pressing plate 1071. A slider 1073 is provided at the inner top end of the sliding groove 1075. A first spring 1074 is welded and fixed at the connection between the lower surface of the slider 1073 and the bottom end of the sliding groove 1075. A connecting rod 1072 is welded and fixed to the side of the slider 1073. The end of the connecting rod 1072 is welded and fixed to the side of the connecting plate 105, which is convenient for fixing the connecting rod 1072 to tightly press and position the installation of the lower pressing plate 1071, and is convenient for the cutting knife 107 to move downward smoothly for tight pressing and positioning cutting during installation and tight pressing positioning. On the contrary, it is convenient for the lower pressing plate 1071 to automatically return to its original position after cutting.

[0031] The working principle and usage process of the present utility model: For this kind of PE protective film processing and cutting mechanism, before use, first place the cutting mechanism main body 100 stably at the position of use by contacting the ground with the base 101, and fix the PE protective film reel with more winding on the outer surface of the winding shaft 103 at one end of the base 101. A reel for winding is installed at the other end of the upper surface of the base 101 until one end of the PE protective film is opened and closed on the lower surface of the U-shaped frame 106 on the surface of the base 101. Then, move the two cylinders 104 simultaneously to drive the connecting plate 105 and the cutting knife 107 to move downward until the cutting knife 107 moves downward to the surface of the PE protective film for cutting treatment. After cutting, it can be directly taken out from the other end of the base 101;

[0032] Then when the cutting mechanism main body 100 is performing cutting treatment, the PE protective film is opened from the outer surface of the winding shaft 103 and passes through the lower surface of the leveling roller 1012 until the end of the PE protective film is pulled to the other end of the base 101 and wound on the surface of the winding shaft 103. The second spring 1013 deforms to drive the sliding block 1015 to slide inside the sliding groove 1014 until the leveling roller 1012 is tightly pressed on the surface of the PE protective film by the sliding block 1015, which is convenient for tightly pressing the PE protective film on the surface of the base 101 for leveling and then cutting. After a certain amount of PE protective film is wound on the outer surface of the winding shaft 103 at the tail end, it is cut again. And during cutting, it is convenient to tightly press the PE protective film against the surface of the base 101 for cutting treatment. During cutting, the position is not likely to change, the cutting is more accurate, and the leveling effect and cutting accuracy of the cutting mechanism main body 100 for cutting the PE protective film are improved;

[0033] Finally, when the main body 100 of the cutting mechanism is performing cutting processing, when the air cylinder 104 drives the connecting plate 105 and the cutting knife 107 to move downward for cutting, the connecting plate 105 moves downward and drives the lower pressing plate 1071 to move downward accordingly through the connecting rod 1072, so that the lower pressing plate 1071 moves downward to the surface of the PE protective film and is tightly pressed by the anti-slip pad 1076. When the connecting plate 105 and the cutting knife 107 continue to move downward for cutting, the slider 1073 is driven to slide inside the chute 1075, so that the lower pressing plate 1071 is always tightly pressed on the surface of the PE protective film for positioning cutting. After the cutting processing, when the connecting plate 105 and the cutting knife 107 return to their original positions, the lower pressing plate 1071 is elastically restored to its original position by the deformation of the first spring 1074, thus facilitating the positioning cutting, fixed cutting of the main body 100 of the cutting mechanism on the PE protective film, with accurate cutting, and improving the accuracy of the cutting of the main body 100 of the cutting mechanism on the PE protective film.

[0034] Although the embodiments of the present invention have been shown and described (see the above detailed description), those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A PE protective film processing and cutting mechanism, comprising a cutting mechanism body (100), the cutting mechanism body (100) comprising a base (101), vertical plates (102) are welded and fixed on both sides of one end of the upper surface of the base (101), a winding shaft (103) is rotatable at the connection between the two vertical plates (102), the end of the winding shaft (103) is located on the surface of the vertical plate (102) and a motor is installed, a U-shaped frame (106) is welded and fixed at the middle position of the upper surface of the base (101), two cylinders (104) are fixed on the top of the U-shaped frame (106) by bolts, the ends of the two cylinders (104) are located on the inner top of the U-shaped frame (106) and are fixed with a connecting plate (105) by screws, and a cutting knife (107) is fixed on the lower surface of the connecting plate (105) by screws, characterized in that: The cutting mechanism body (100) is further provided with: A leveling mechanism includes a fixed connection component provided at the connection between the U-shaped frame (106) and the vertical plate (102) and located on the upper surface of the base (101), an elastic pressing component provided inside the fixed connection component, and leveling components provided at the ends of the two elastic pressing components; The positioning mechanism comprises positioning components arranged at both ends of the connecting plate (105), and a second elastic connecting component is arranged at the connection between the top end of the positioning component and the side surface of the connecting plate (105).

2. A PE protective film processing and cutting mechanism according to claim 1, characterized in that: The fixed connection assembly comprises a fixed plate (1011) welded and fixed to the connection between the vertical plate (102) and the U-shaped frame (106) and located on the upper surface of the base (101), and the two fixed plates (1011) are symmetrically arranged.

3. A PE protective film processing and cutting mechanism according to claim 2, characterized in that: The elastic pressing component includes a sliding groove (1014) opened inside the fixed plate (1011), a sliding block (1015) is provided at the inner bottom end of the sliding groove (1014), and a spring 2 (1013) is welded and fixed at the connection between the upper surface of the sliding block (1015) and the inner top end of the sliding groove (1014).

4. A PE protective film processing and cutting mechanism according to claim 3, characterized in that: The sliding block (1015) is slidably connected to the interior of the sliding groove (1014), and the sliding block (1015) and the interior of the sliding groove (1014) are elastically pressed together by the second spring (1013).

5. The PE protective film processing and cutting mechanism according to claim 3, characterized in that: The leveling assembly comprises a leveling roller (1012) which rotates at the connection of two sliding blocks (1015) via a bearing.

6. The PE protective film processing and cutting mechanism according to claim 1, characterized in that: The positioning assembly comprises lower pressing plates (1071) arranged at both ends of the connecting plate (105), and anti-slip pads (1076) are fixedly mounted on the bottom ends of the lower pressing plates (1071) by screws.

7. A PE protective film processing and cutting mechanism according to claim 6, characterized in that: The elastic connection component 2 includes a slide groove (1075) opened inside the lower pressure plate (1071), a slider (1073) is provided at the internal top of the slide groove (1075), a spring 1 (1074) is welded and fixed at the connection between the lower surface of the slider (1073) and the bottom end of the slide groove (1075), a connecting rod (1072) is welded and fixed to the side of the slider (1073), and the end of the connecting rod (1072) is welded and fixed to the side of the connecting plate (105).

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