Plastic bag production raw material cutting device

Abstract

The utility model discloses a plastic bag production raw material cutting device which comprises a workbench, a hollow block, a compression roller and a cutting blade, the two sides of the top end of the workbench are fixedly connected with a fixing seat, one side of the fixing seat is fixedly connected with the hollow block, and the middle position of the top end of the hollow block is connected with a first pull rod. By pulling the first pull rod at the top end of the hollow block, the first pull rod can extrude the first spring through the movable plate, meanwhile, the movable plate can drive the pressing rollers to be lifted through the fixed block, plastic bag production raw materials are placed at the bottom ends of the two sets of pressing rollers, and at the moment, the first pull rod is loosened; and due to the counter-acting force of extrusion of a first spring, a pressing roller at the bottom end of a fixing block can be pushed through a movable plate to complete pressing and limiting work on the plastic bag production raw materials, at the moment, a servo motor on one side of the fixing block is started, the pressing roller can be driven to rotate rapidly, and therefore positioning and conveying work of the plastic bag production raw materials is rapidly conducted.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic bag production, in particular to a plastic bag production raw material cutting device. Background Art

[0002] Plastic bags are bags made of plastic (commonly used plastics include polypropylene, polyester, nylon, etc.) as the main raw material. Plastic belts and plastic bags play a very important role in daily life. They have multiple functions. The raw materials of plastic bags are mainly plastic particles such as polyethylene (PE) and polypropylene (PP), as well as some additives. In the process of plastic bag processing, the plastic bag raw materials after production need to be cut. At this time, a cutting device is required to perform rapid cutting operations.

[0003] A plastic bag production raw material cutting device disclosed in the Chinese utility model patent application disclosure CN212827133U, through the arrangement of the first cylinder and the third cylinder, when the user uses the plastic bag production raw material cutting device, the user can control the first pressure block and the second pressure block at the lower end of the first cylinder and the third cylinder to fix and press the plastic bag, which can relieve the user's use pressure to a certain extent, but the cutting device has low neat cutting stability. During the cutting process of the plastic bag production raw materials, due to the light weight of the plastic bag production raw materials, cutting deviation may occur, thereby affecting the subsequent processing quality of the plastic bag. At the same time, it is not convenient to quickly adjust the position of the subsequent plastic bag production raw materials after cutting, affecting the overall working efficiency of the plastic bag production raw material cutting device. Utility Model Content

[0004] The purpose of the utility model is to provide a plastic bag production raw material cutting device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a plastic bag production raw material cutting device, comprising a workbench, a hollow block, a pressure roller and a cutting blade, two sides of the top of the workbench are fixedly connected with a fixed seat, one side of the fixed seat is fixedly connected with a hollow block, a first pull rod is connected to the middle position of the top of the hollow block, the hollow block and the first pull rod are slidably connected, the bottom end of the first pull rod is fixedly connected with a movable plate, the top of the movable plate is evenly and equidistantly provided with a first spring, the movable plate and the first spring are fixedly connected, two sides of the bottom end of the movable plate are connected with fixed blocks, the movable plate and the fixed block are fixedly connected, a servo motor is installed at the bottom end of one side of the fixed block, a pressure roller is installed at the output shaft end of the servo motor, a fixed arm is fixedly connected to the middle position of one side of the top of the workbench, a hydraulic device is installed at the middle position of the top of the fixed arm, and the bottom end of the hydraulic device is fixedly connected with a connecting seat.

[0006] Preferably, an anti-slip pad is fixedly connected to the middle position of the bottom end of the workbench, rollers are evenly and equidistantly arranged on both sides of the top end of the workbench, the workbench and the rollers are rotatably connected, and a cutting groove is arranged in the middle position of the top end of the workbench.

[0007] Preferably, a slot is provided on one side inside the bottom end of the connecting seat, and a second pull rod is slidably connected to one side outside the connecting seat.

[0008] Preferably, a movable disk is fixedly connected to one side of the second pull rod, a second spring is fixedly connected to one side of the movable disk, and a positioning rod is fixedly connected to the middle position of one side of the movable disk.

[0009] Preferably, a cutting blade is provided inside the slot, and the slot and the cutting blade are movably connected.

[0010] Preferably, positioning holes are provided on both sides of the interior of the cutting blade, and positioning rods are movably connected inside the positioning holes.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. This plastic bag production raw material cutting device is provided with two groups of pressure rollers at the top of the workbench, and by pulling the first pull rod at the top of the hollow block, the first pull rod can squeeze the first spring through the movable plate, and at the same time, the movable plate can drive the pressure roller to be lifted through the fixed block, and the plastic bag production raw material is placed at the bottom of the two groups of pressure rollers. At this time, by loosening the first pull rod, due to the reaction force of the first spring being squeezed, the pressure roller at the bottom of the fixed block can be pushed by the movable plate to complete the pressing and limiting work of the plastic bag production raw material. At this time, by starting the servo motor on one side of the fixed block, the pressure roller can be driven to rotate quickly, so as to quickly position and transmit the plastic bag production raw material, thereby improving the overall working efficiency of the plastic bag production raw material cutting device;

[0013] 2. This plastic bag production raw material cutting device has two groups of positioning holes arranged inside the cutting blade. When the cutting blade is inserted into the slot at the bottom end of the connecting seat, the positioning rod movably connected in the connecting seat is inserted into the positioning hole on the cutting blade, so that the position of the cutting blade can be fixed. When the cutting blade needs to be replaced after long-term use, the second pull rod on the connecting seat can be pulled, and the second pull rod can drive the positioning rod to be pulled out of the positioning hole on the cutting blade through the movable disk. At this time, the cutting blade can be quickly replaced to ensure the subsequent cutting effect of the plastic bag production raw material cutting device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2This is a schematic cross-sectional structural diagram of the connecting seat of the utility model;

[0016] Figure 3 It is a schematic cross-sectional structure diagram of the hollow block of the utility model;

[0017] Figure 4 It is a side structural schematic diagram of the hollow block of the utility model.

[0018] In the figure: 1. workbench; 101. anti-slip pad; 102. roller; 103. cutting groove; 2. fixed seat; 3. hollow block; 301. first pull rod; 302. movable plate; 303. first spring; 4. fixed block; 401. servo motor; 5. pressure roller; 6. fixed arm; 601. hydraulic device; 7. connecting seat; 701. slot; 8. second pull rod; 801. movable disk; 802. second spring; 803. positioning rod; 9. cutting blade; 901. positioning hole. DETAILED DESCRIPTION

[0019] 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.

[0020] See also Figure 1-4 The utility model provides an embodiment: a plastic bag production raw material cutting device, including a workbench 1, a hollow block 3, a pressure roller 5 and a cutting blade 9, a non-slip pad 101 is fixedly connected to the middle position of the bottom end of the workbench 1, and rollers 102 are evenly arranged at equal distances on both sides of the top of the workbench 1, and the workbench 1 and the rollers 102 are rotatably connected. A cutting groove 103 is arranged in the middle position of the top of the workbench 1. The non-slip pad 101 can increase the friction of the plastic bag production raw material cutting device, and ensure the stability of the placement of the plastic bag production raw material cutting device. At the same time, multiple groups of rollers 102 are arranged on the top of the workbench 1 to reduce the friction of the plastic bag raw material transmitted at the top of the workbench 1, and the setting of the cutting groove 103 can reduce the wear of the surface of the workbench 1 caused by cutting;

[0021] The two sides of the top of the workbench 1 are fixedly connected with a fixed seat 2, one side of the fixed seat 2 is fixedly connected with a hollow block 3, a first pull rod 301 is connected and arranged in the middle position of the top of the hollow block 3, the hollow block 3 and the first pull rod 301 are slidably connected, a movable plate 302 is fixedly connected to the bottom end of the first pull rod 301, a first spring 303 is evenly and evenly arranged at the top of the movable plate 302, the movable plate 302 and the first spring 303 are fixedly connected, and fixed blocks 4 are connected and arranged on both sides of the bottom end of the movable plate 302, the movable plate 302 and the fixed block 4 are fixedly connected, when the first pull rod 301 at the top of the hollow block 3 is pulled, the first spring 303 above can be squeezed by the movable plate 302, and at this time, the movable plate 302 can drive the fixed block 4 at the bottom to move upward, and when the first pull rod 301 is released, the fixed block 4 can be pushed by the movable plate 302 for rapid reset due to the reaction force of the first spring 303 being squeezed;

[0022] A servo motor 401 is installed at the bottom end of one side of the fixed block 4, and a pressing roller 5 is installed at the output shaft end of the servo motor 401. When the servo motor 401 is started, the pressing roller 5 can be driven to rotate, and at this time, the pressing roller 5 can push the plastic bag raw material at the top of the workbench 1 to move and transport;

[0023] A fixed arm 6 is fixedly connected to the middle position of one side of the top of the workbench 1, a hydraulic device 601 is installed in the middle position of the top of the fixed arm 6, and a connecting seat 7 is fixedly connected to the bottom of the hydraulic device 601. When the hydraulic device 601 at the top of the fixed arm 6 is started, the connecting seat 7 can be pushed to move downward, and the connecting seat 7 can push the cutting blade 9 at the bottom to move downward, so as to quickly cut the raw materials for plastic bag production;

[0024] A slot 701 is provided on one side of the bottom of the connecting seat 7, and a second pull rod 8 is slidably connected to one side of the outside of the connecting seat 7. A movable disk 801 is fixedly connected to one side of the second pull rod 8, and a second spring 802 is fixedly connected to one side of the movable disk 801. A positioning rod 803 is fixedly connected to the middle position of one side of the movable disk 801. When the second pull rod 8 is pulled, the second spring 802 on one side can be squeezed by the movable disk 801. At this time, the movable disk 801 can drive the positioning rod 803 on the other side to move. When the second pull rod 8 is released, the positioning rod 803 can be pushed to move by the movable disk 801 due to the reaction force of the squeezing of the second spring 802.

[0025] The internal connection of the slot 701 is provided with a cutting blade 9, and the slot 701 and the cutting blade 9 are movably connected. Positioning holes 901 are provided on both sides inside the cutting blade 9, and the positioning hole 901 is movably connected inside with a positioning rod 803. By inserting the positioning rod 803 movably connected inside the connecting seat 7 into the positioning hole 901 on the cutting blade 9, the connection and assembly work between the connecting seat 7 and the cutting blade 9 can be completed.

[0026] When the embodiment of the present application is in use: by pulling the first pull rod 301 on the two groups of hollow blocks 3 at the top of the workbench 1, the first pull rod 301 can squeeze the first spring 303 above the movable plate 302, and at the same time the movable plate 302 can drive the fixed block 4 and the pressure roller 5 at the bottom to lift up, at this time the plastic bag material to be cut can be placed in the middle position of the top of the workbench 1, and by loosening the first pull rod 301 at the top of the hollow block 3, the first spring 303 can drive the fixed block 4 and the pressure roller 5 to move downward through the movable plate 302, so that the pressure roller 5 completes the pressing work of the plastic bag material, at this time the hydraulic device 601 at the top of the fixed arm 6 is started, which can push the connecting seat 7 and the cutting blade 9 to move downward, so that the cutting blade 9 can quickly cut the plastic bag material, after the cutting is completed, the servo motor 401 on one side of the left fixed block 4 is started, which can drive the pressure roller 5 to rotate, at this time the pressure roller 5 can push the cut plastic bag material to quickly discharge the material, and at the same time the servo motor 401 on the right side drives the pressure roller 5 to rotate, so that the pressure roller 5 can push the remaining plastic bag material to feed the material.

[0027] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A plastic bag production raw material cutting device, characterized in that , comprising a workbench (1), a hollow block (3), a pressure roller (5) and a cutting blade (9), wherein both sides of the top of the workbench (1) are fixedly connected to a fixed seat (2), one side of the fixed seat (2) is fixedly connected to a hollow block (3), a first pull rod (301) is connected to the middle position of the top of the hollow block (3), the hollow block (3) and the first pull rod (301) are slidably connected, the bottom end of the first pull rod (301) is fixedly connected to a movable plate (302), the top of the movable plate (302) is evenly and evenly provided with a first spring (303), the movable plate (302 ) is fixedly connected to the first spring (303), fixed blocks (4) are connected to both sides of the bottom end of the movable plate (302), the movable plate (302) and the fixed block (4) are fixedly connected, a servo motor (401) is installed at the bottom end of one side of the fixed block (4), a pressure roller (5) is installed at the output shaft end of the servo motor (401), a fixed arm (6) is fixedly connected to the middle position of one side of the top end of the workbench (1), a hydraulic device (601) is installed at the middle position of the top end of the fixed arm (6), and a connecting seat (7) is fixedly connected to the bottom end of the hydraulic device (601).

2. A plastic bag production raw material cutting device according to claim 1, characterized in that: An anti-slip pad (101) is fixedly connected to the middle position of the bottom end of the workbench (1), rollers (102) are evenly arranged at equal distances on both sides of the top end of the workbench (1), the workbench (1) and the rollers (102) are rotatably connected, and a cutting groove (103) is arranged in the middle position of the top end of the workbench (1).

3. A plastic bag production raw material cutting device according to claim 1, characterized in that: A slot (701) is provided on one side inside the bottom end of the connection seat (7), and a second pull rod (8) is slidably connected to one side outside the connection seat (7).

4. A plastic bag production raw material cutting device according to claim 3, characterized in that: A movable disk (801) is fixedly connected to one side of the second pull rod (8), a second spring (802) is fixedly connected to one side of the movable disk (801), and a positioning rod (803) is fixedly connected to the middle position of one side of the movable disk (801).

5. A plastic bag production raw material cutting device according to claim 3, characterized in that: A cutting blade (9) is provided inside the slot (701), and the slot (701) and the cutting blade (9) are movably connected.

6. A plastic bag production raw material cutting device according to claim 5, characterized in that: Positioning holes (901) are provided on both sides of the interior of the cutting blade (9), and positioning rods (803) are movably connected inside the positioning holes (901).

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