Polyethylene film slitting device

Abstract

The utility model relates to the technical field of slitting devices, and discloses a polyethylene film slitting device, a fixing device is composed of a first shaft rod, a first spring, a first fixing block, a second shaft rod, a second fixing block and a second spring, the first shaft rod is installed in a sliding block in a sliding mode, the first spring is connected to the surface of the first shaft rod in a sleeved mode, and the second spring is connected to the surface of the second shaft rod in a sleeved mode. The first fixing block is fixedly installed at the top of the first shaft rod, the second shaft rod is slidably installed in the sliding block, the second fixing block is fixedly installed on the side face of the second shaft rod, and the second spring is connected to the surface of the second shaft rod in a sleeving mode. According to the polyethylene film slitting device, by pressing a second shaft rod, the position of a sliding block on the surface of a guide rod can be adjusted, the second shaft rod is loosened, a first fixing block moves upwards and abuts against the bottom of the guide rod, the sliding block can be limited, meanwhile, the second shaft rod is reset, and the position of the sliding block on the surface of the guide rod can be conveniently adjusted next time; and position adjustment is fast and convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of slitting devices, in particular to a polyethylene film slitting device. Background Art

[0002] PE film, also known as polyethylene film, refers to a film produced from PE particles. PE film is moisture-proof and has low moisture permeability. Polyethylene film (PE) can be made into products with different properties such as low-density, medium-density, high-density polyethylene and cross-linked polyethylene according to different manufacturing methods and control methods.

[0003] The patent with application number 202121309048.2 discloses a polyethylene film slitting device, including a mounting plate, one side of the mounting plate is fixedly connected to a hydraulic cylinder, the end of the hydraulic cylinder away from the mounting plate is fixedly connected to a support frame, the inner wall of the support frame is fixedly connected to a guide rod, the inner wall of the support frame is fixedly connected to a fixing plate, the outer surface of the fixing plate is provided with a fixing hole, and the outer surface of the guide rod is slidably connected to a slider.

[0004] The polyethylene film slitting device is fixedly connected to a guide rod through the inner wall of a support frame, and the matching arrangement between a fixed plate, a fixed hole, a slider, a fixed column, a limit ring and a spring facilitates the adjustment of the position of the cutter, solving the problem that the existing slitting device can only cut polyethylene films of fixed width. A positioning column is fixedly connected to one side of a connecting plate, and the matching arrangement between the cutter, a notch, a lead screw, a knob, a locking plate and an anti-skid pad facilitates the replacement of the cutter. However, there are still areas that can be improved. For example, the adjustment of the cutter position by the device is relatively cumbersome, and the replacement of the cutter by the device is not convenient, which cannot meet current needs. Utility Model Content

[0005] The utility model aims to provide a polyethylene film slitting device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a polyethylene film slitting device, comprising a support frame, a guide rod, a slider, a fixing device, a mounting plate, and a limiting device, wherein the guide rod is fixedly installed inside the support frame, the slider is slidably installed on the surface of the guide rod, the fixing device is arranged inside the slider, the mounting plate is fixedly installed on the bottom of the slider, and the limiting device is arranged on the side of the mounting plate.

[0007] The fixing device consists of a first shaft rod, a first spring, a first fixed block, a second shaft rod, a second fixed block, and a second spring. The first shaft rod is slidably installed inside the slider, the first spring is sleeved on the surface of the first shaft rod, the first fixed block is fixedly installed on the top of the first shaft rod, the second shaft rod is slidably installed inside the slider, the second fixed block is fixedly installed on the side of the second shaft rod, and the second spring is sleeved on the surface of the second shaft rod.

[0008] The limiting device consists of a fixed cylinder, a sliding rod, a fixed plate, a third spring, and a limiting block. The fixed cylinder is fixedly installed on the side of the mounting plate, the sliding rod is slidably installed inside the fixed cylinder, the fixed plate is fixedly installed on the surface of the sliding rod, the third spring is sleeved on the surface of the sliding rod, and the limiting block is fixedly installed on the side of the sliding rod.

[0009] Preferably, one end of the first spring is connected to the slider, and the other end of the first spring is connected to the first fixed block, and the first spring is provided for resetting the first fixed block.

[0010] Preferably, the first fixing block is in the shape of a truncated cone with a small top and a large bottom, and the second fixing block matches the first fixing block. This arrangement enables the second fixing block to move on the surface of the first fixing block.

[0011] Preferably, one end of the second spring is connected to the slider, and the other end of the second spring is connected to the second fixed block, and a second spring is provided for resetting the second fixed block.

[0012] Preferably, the second shaft rod, the second fixed block and the second spring are all grouped together, and there are two groups symmetrically arranged on both sides of the first fixed block. Two groups of this device are provided, and by pressing the second shaft rod, the first fixed block can be moved downward under the action of the second fixed block, thereby facilitating the adjustment of the position of the slider on the surface of the guide rod.

[0013] Preferably, one end of the third spring is connected to the fixing tube, and the other end of the third spring is connected to the fixing plate, and the third spring is provided for resetting the fixing plate.

[0014] Preferably, a cutter is inserted into the interior of the mounting plate, and a limiting groove matching the limiting block is provided through the surface of the cutter, and the cutter can be limited by providing the limiting block.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The polyethylene film slitting device can adjust the position of the slider on the surface of the guide rod by pressing the second shaft rod. The second shaft rod is released, and the first fixed block moves upward and abuts against the bottom of the guide rod to limit the slider. At the same time, the second shaft rod is reset, which is convenient for adjusting the position of the slider on the surface of the guide rod next time. The position adjustment is quick and convenient.

[0017] 2. The polyethylene film slitting device can replace the cutter by pulling the slide bar, inserting the replaced cutter into the inside of the mounting plate, and loosening the slide bar to fix the cutter, which is convenient for installation and removal of the cutter. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the internal structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the first shaft rod, the first spring and the first fixing block of the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the slide bar, the fixing plate and the third spring of the utility model.

[0022] In the figure: 1. support frame; 2. guide rod; 3. slider; 4. fixing device; 401. first shaft rod; 402. first spring; 403. first fixing block; 404. second shaft rod; 405. second fixing block; 406. second spring; 5. mounting plate; 6. limiting device; 601. fixing cylinder; 602. slider; 603. fixing plate; 604. third spring; 605. limiting block. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1-4 The utility model provides a technical solution: a polyethylene film slitting device, including a support frame 1, a guide rod 2, a slider 3, a fixing device 4, a mounting plate 5, and a limiting device 6. The guide rod 2 is fixedly installed inside the support frame 1, the slider 3 is slidably installed on the surface of the guide rod 2, the fixing device 4 is arranged inside the slider 3, the mounting plate 5 is fixedly installed at the bottom of the slider 3, and the limiting device 6 is arranged on the side of the mounting plate 5.

[0025] The fixing device 4 is composed of a first shaft rod 401, a first spring 402, a first fixing block 403, a second shaft rod 404, a second fixing block 405, and a second spring 406. The first shaft rod 401 is slidably installed inside the slider 3. The first spring 402 is sleeved on the surface of the first shaft rod 401. The first fixing block 403 is fixedly installed on the top of the first shaft rod 401. One end of the first spring 402 is connected to the slider 3, and the other end of the first spring 402 is connected to the first fixing block 403. The first spring 402 is provided for resetting the first fixing block 403. The second shaft rod 404 is slidably installed inside the slider 3. The second fixing block 405 is fixedly installed on the side of the second shaft rod 404. The first fixing block 403 is a truncated cone with a small top and a large bottom. The second fixing block 4 05 matches the first fixed block 403, and the arrangement enables the second fixed block 405 to move on the surface of the first fixed block 403. The second spring 406 is sleeved on the surface of the second shaft rod 404, one end of the second spring 406 is connected to the slider 3, and the other end of the second spring 406 is connected to the second fixed block 405. The second spring 406 is provided for resetting the second fixed block 405. The second shaft rod 404, the second fixed block 405 and the second spring 406 are all one in a group, and there are two groups symmetrically arranged on both sides of the first fixed block 403. Two groups of the device are provided. By pressing the second shaft rod 404, under the action of the second fixed block 405, the first fixed block 403 can be moved downward, so as to facilitate the adjustment of the position of the slider 3 on the surface of the guide rod 2.

[0026] The limiting device 6 is composed of a fixed cylinder 601, a slide bar 602, a fixed sheet 603, a third spring 604, and a limiting block 605. The fixed cylinder 601 is fixedly installed on the side of the mounting plate 5, the slide bar 602 is slidably installed inside the fixed cylinder 601, the fixed sheet 603 is fixedly installed on the surface of the slide bar 602, the third spring 604 is sleeved on the surface of the slide bar 602, one end of the third spring 604 is connected to the fixed cylinder 601, and the other end of the third spring 604 is connected to the fixed sheet 603. The third spring 604 is provided for resetting the fixed sheet 603, the limiting block 605 is fixedly installed on the side of the slide bar 602, a cutter is inserted into the inside of the mounting plate 5, and a limiting groove matching the limiting block 605 is provided on the surface of the cutter, and the cutter can be limited by providing the limiting block 605.

[0027] When in use, the second shaft rod 404 is pressed to stretch the second spring 406. Under the action of the second fixing block 405, the first fixing block 403 can be moved downward and squeezed against the first spring 402, so that the position of the slider 3 on the surface of the guide rod 2 can be adjusted. The second shaft rod 404 is released. Under the action of the first spring 402, the first fixing block 403 moves upward and abuts against the bottom of the guide rod 2, so that the slider 3 can be limited. Under the action of the second spring 406, the second shaft rod 404 is reset, which is convenient for adjusting the position of the slider 3 on the surface of the guide rod 2 next time. The slide bar 602 is pulled to squeeze the third spring 604, so that the limit block 605 can be disengaged from the limit groove, and the cutter can be replaced. The replaced cutter is inserted into the interior of the mounting plate 5, and the slide bar 602 is released. Under the action of the third spring 604, the limit block 605 can enter the limit groove, so that the cutter can be fixed.

[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0029] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention.

Claims

1. A polyethylene film slitting device, comprising a support frame (1), a guide rod (2), a slide block (3), a fixing device (4), a mounting plate (5), and a limiting device (6), characterized in that: The guide rod (2) is fixedly mounted inside the support frame (1), the slider (3) is slidably mounted on the surface of the guide rod (2), the fixing device (4) is arranged inside the slider (3), the mounting plate (5) is fixedly mounted on the bottom of the slider (3), and the limiting device (6) is arranged on the side of the mounting plate (5); The fixing device (4) is composed of a first shaft (401), a first spring (402), a first fixing block (403), a second shaft (404), a second fixing block (405), and a second spring (406); the first shaft (401) is slidably mounted inside the slider (3); the first spring (402) is sleeved on the surface of the first shaft (401); the first fixing block (403) is fixedly mounted on the top of the first shaft (401); the second shaft (404) is slidably mounted inside the slider (3); the second fixing block (405) is fixedly mounted on the side of the second shaft (404); and the second spring (406) is sleeved on the surface of the second shaft (404); The limiting device (6) is composed of a fixed cylinder (601), a sliding rod (602), a fixed sheet (603), a third spring (604), and a limiting block (605); the fixed cylinder (601) is fixedly mounted on the side of the mounting plate (5); the sliding rod (602) is slidably mounted inside the fixed cylinder (601); the fixed sheet (603) is fixedly mounted on the surface of the sliding rod (602); the third spring (604) is sleeved on the surface of the sliding rod (602); and the limiting block (605) is fixedly mounted on the side of the sliding rod (602).

2. A polyethylene film slitting device according to claim 1, characterized in that: One end of the first spring (402) is connected to the slider (3), and the other end of the first spring (402) is connected to the first fixing block (403).

3. A polyethylene film slitting device according to claim 1, characterized in that: The first fixing block (403) is in the shape of a truncated cone that is smaller at the top and larger at the bottom, and the second fixing block (405) matches the first fixing block (403).

4. A polyethylene film slitting device according to claim 1, characterized in that: One end of the second spring (406) is connected to the slider (3), and the other end of the second spring (406) is connected to the second fixing block (405).

5. A polyethylene film slitting device according to claim 1, characterized in that: The second shaft (404), the second fixing block (405) and the second spring (406) are all grouped together, with two groups in total symmetrically arranged on both sides of the first fixing block (403).

6. A polyethylene film slitting device according to claim 1, characterized in that: One end of the third spring (604) is connected to the fixing tube (601), and the other end of the third spring (604) is connected to the fixing plate (603).

7. A polyethylene film slitting device according to claim 1, characterized in that: A cutter is inserted into the interior of the mounting plate (5), and a limit groove matching the limit block (605) is provided through the surface of the cutter.

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