Polyolefin film cutting device

Abstract

The utility model discloses a polyolefin film cutting device which comprises a working table, a cutting table is fixedly connected to the middle of the upper end of the working table, a cleaning frame is fixedly connected to the upper end of the cutting table, a plurality of fixing frames are fixedly connected to the upper end of the cleaning frame, and sliding rods are slidably connected to the inner walls of the fixing frames. The outer side walls of the multiple sliding rods are all sleeved with reset springs, and a cleaning scraping plate is arranged above the cleaning frame. A polyolefin film body is cut through the hot cutting device, when a tool bit of the hot cutting device enters the cleaning frame, the tool bit extrudes the two cleaning scraping plates outwards, and when cutting is completed, the tool bit ascends, the cleaning scraping plates are pushed inwards through the counter-acting force of a reset spring, the polyolefin film adhering to the tool bit is scraped down, and the polyolefin film body is cleaned. And the reset spring is matched with the cleaning scraping plate, it can be guaranteed that no impurity exists on the surface of the tool bit when the hot cutting device conducts next cutting, and therefore the cutting efficiency is improved.

Description

Technical Field

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

[0002] Polyolefin usually refers to a class of thermoplastic resins obtained by the polymerization or copolymerization of α-olefins such as ethylene, propylene, 1-butene, 1-pentene, 1-hexene, 1-octene, 4-methyl-1-pentene, and certain cycloolefins. Polyolefin has the characteristics of low relative density, good chemical resistance, water resistance, good mechanical strength, electrical insulation, etc., so films made of polyolefin have been widely used.

[0003] In the polyolefin film cutting devices currently used in the market, some factories use hot cutting to prevent frequent replacement of blades. However, if the cutting is carried out for a long time, part of the polyolefin film will adhere to the surface of the cutting blade, which will affect the cutting efficiency. Utility Model Content

[0004] The purpose of the utility model is to provide a polyolefin film 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 polyolefin film cutting device, comprising a workbench, a cutting table is fixedly connected to the middle part of the upper end of the workbench, a cleaning frame is fixedly connected to the upper end of the cutting table, a plurality of fixed frames are fixedly connected to the upper end of the cleaning frame, a plurality of inner walls of the fixed frames are slidably connected to sliding rods, a plurality of outer walls of the sliding rods are sleeved with return springs, a cleaning scraper is arranged above the cleaning frame, one end of the plurality of sliding rods is fixedly connected to one side of the cleaning scraper, a limiting groove is provided at the upper end of the cleaning frame, and the lower end of the cleaning scraper is slidably connected to the inner wall of the limiting groove.

[0006] As a further preferred embodiment of the present technical solution, two mounting frames 2 are fixedly connected to one side of the upper end of the workbench and near the edge, a sliding groove is penetrated through one side of the two mounting frames 2, the inner walls of the two sliding grooves are slidably connected with adjustment blocks, the upper ends of the two adjustment blocks are fixedly connected with threaded rods 2, the outer side walls of the two threaded rods 2 are respectively threadedly connected to the inner walls of the mounting frame 2, and a tensioning roller 1 is rotatably connected between the two adjustment blocks.

[0007] As a further preferred embodiment of the technical solution, a tensioning roller 2 is arranged on one side of the tensioning roller 1, and mounting frames 1 are rotatably connected to both sides of the tensioning roller 2, and the lower ends of the two mounting frames 1 are fixedly connected to the upper end of the workbench.

[0008] As a further preferred embodiment of the present technical solution, a support frame is fixedly connected to one side of the workbench, and a polyolefin membrane body is rotatably connected to one side of an outer wall of the support frame.

[0009] As a further preferred embodiment of the present technical solution, limiting frames are fixedly connected to both sides of the middle of the upper end of the workbench and close to the edge, and driving motor 2 is fixedly installed on the upper ends of the two limiting frames. The output end of driving motor 2 is transmitted and connected to threaded rod 1, and the outer wall of threaded rod 1 is threadedly connected to a hot cutting device.

[0010] As a further preferred embodiment of the present technical solution, a mounting frame three is fixedly connected to the other side of the upper end of the workbench, a driving motor one is fixedly installed on one side of the mounting frame three, and an output end of the driving motor one is transmission-connected to a friction roller.

[0011] As a further preferred embodiment of the present technical solution, support feet are fixedly connected to the four corners of the lower end of the workbench.

[0012] The utility model provides a polyolefin film cutting device, which has the following beneficial effects:

[0013] (1) The utility model cuts the polyolefin film body through a hot cutting device. When the cutter head of the hot cutting device enters the cleaning frame, the cutter head will squeeze the two cleaning scrapers outward. When the cutting is completed, the cutter head rises, and the reaction force of the reset spring pushes the cleaning scrapers inward to scrape off the sticky polyolefin film on the cutter head. The cooperation of the reset spring and the cleaning scraper can ensure that the surface of the cutter head is free of impurities when the hot cutting device cuts next time, thereby improving the cutting efficiency.

[0014] (2) The utility model can adjust the height of the tensioning roller one by rotating the threaded rod two to make the adjustment block slide in the sliding groove, thereby adjusting the tensioning force of the polyolefin film on the tensioning roller one and the tensioning roller two, thereby preventing the polyolefin film from wrinkling during cutting and causing an uneven cutting surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of the utility model from a first perspective;

[0016] Figure 2 This is a schematic diagram of the structure of the utility model from a second viewing angle;

[0017] Figure 3 for Figure 2 A partial enlarged schematic diagram of the middle A area;

[0018] Figure 4 It is a three-dimensional structural schematic diagram of the cutting table in the utility model;

[0019] In the figure: 1. workbench; 2. polyolefin film body; 3. support frame; 4. tensioning roller 1; 5. tensioning roller 2; 6. hot cutting device; 7. mounting frame 1; 8. mounting frame 2; 9. limit frame; 10. mounting frame 3; 11. support foot; 12. cutting table; 13. driving motor 1; 14. friction roller; 15. threaded rod 1; 16. driving motor 2; 17. threaded rod 2; 18. sliding groove; 19. adjusting block; 20. cleaning frame; 21. limit groove; 22. fixing frame; 23. sliding rod; 24. reset spring; 25. cleaning scraper. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0021] The utility model provides a technical solution: Figure 1 - Figure 4 As shown, in this embodiment, a polyolefin film cutting device includes a workbench 1, a cutting table 12 is fixedly connected to the middle of the upper end of the workbench 1, a cleaning frame 20 is fixedly connected to the upper end of the cutting table 12, a plurality of fixed frames 22 are fixedly connected to the upper end of the cleaning frame 20, the inner walls of the plurality of fixed frames 22 are slidably connected to sliding rods 23, the outer walls of the plurality of sliding rods 23 are sleeved with return springs 24, a cleaning scraper 25 is arranged above the cleaning frame 20, one end of the plurality of sliding rods 23 is fixedly connected to one side of the cleaning scraper 25, and the upper end of the cleaning frame 20 is provided with a There is a limiting groove 21, and the lower end of the cleaning scraper 25 is slidably connected to the inner wall of the limiting groove 21. The hot cutting device 6 cuts the polyolefin film body 2. When the cutter head of the hot cutting device 6 enters the cleaning frame 20, the cutter head will squeeze the two cleaning scrapers 25 outward. When the cutting is completed, the cutter head rises, and the reaction force of the reset spring 24 pushes the cleaning scraper 25 inward to scrape off the sticky polyolefin film on the cutter head. The cooperation of the reset spring 24 and the cleaning scraper 25 can ensure that the hot cutting device 6 will have no impurities on the surface of the cutter head during the next cutting, thereby improving the cutting efficiency.

[0022] like Figure 1 - Figure 3 As shown, two mounting frames 28 are fixedly connected to one side of the upper end of the workbench 1 and near the edge, a sliding groove 18 is penetrated through one side of the two mounting frames 28, the inner walls of the two sliding grooves 18 are slidably connected with adjusting blocks 19, the upper ends of the two adjusting blocks 19 are fixedly connected with threaded rods 217, the outer side walls of the two threaded rods 217 are respectively threadedly connected to the inner walls of the mounting frames 28, a tensioning roller 14 is rotatably connected between the two adjusting blocks 19, and the threaded rod 17 is rotated to make the adjusting block 19 slide in the sliding groove 18, so as to adjust the height of the tensioning roller 14, thereby adjusting the tensioning force of the polyolefin film on the tensioning roller 14 and the tensioning roller 25, thereby preventing the polyolefin film from wrinkling during cutting and causing an uneven cutting surface.

[0023] like Figure 1 and Figure 2 As shown, a tensioning roller 2 5 is provided on one side of the tensioning roller 1 4 , and mounting frames 1 7 are rotatably connected to both sides of the tensioning roller 2 5 . The lower ends of the two mounting frames 7 are fixedly connected to the upper end of the workbench 1 , and the tensioning roller 2 5 is used to strengthen the tensioning force of the polyolefin membrane body 2 .

[0024] like Figure 1 and Figure 2 As shown, a support frame 3 is fixedly connected to one side of the workbench 1 , and a polyolefin membrane body 2 is rotatably connected to one side of the outer wall of the support frame 3 . The support frame 3 is used to support the polyolefin membrane body 2 .

[0025] like Figure 1 and Figure 2 As shown, limiting frames 9 are fixedly connected to both sides of the middle of the upper end of the workbench 1 and close to the edge, and driving motor 2 16 is fixedly installed on the upper ends of the two limiting frames 9. The output end of the driving motor 2 16 is transmission-connected to the threaded rod 15, and the outer wall of the threaded rod 15 is threadedly connected to the hot cutting device 6. The cooperation between the driving motor 2 16 and the threaded rod 15 can make the hot cutting device 6 move up and down to cut the polyolefin film body 2.

[0026] like Figure 1 and Figure 2 As shown, a mounting frame 3 10 is fixedly connected to the other side of the upper end of the workbench 1, a driving motor 13 is fixedly installed on one side of the mounting frame 3 10, and a friction roller 14 is transmission-connected to the output end of the driving motor 13. The cooperation between the friction roller 14 and the driving motor 13 can facilitate the movement of the polyolefin film body 2 into the cutting table 12.

[0027] like Figure 1 and Figure 2 As shown, support legs 11 are fixedly connected to the four corners of the lower end of the workbench 1, and the support legs 11 are used to support the entire device.

[0028] The utility model provides a polyolefin film cutting device, and the specific working principle is as follows:

[0029] When cutting the polyolefin film, first, the polyolefin film body 2 is passed through the tensioning roller 1 4, the tensioning roller 2 5 and the friction roller 14, the driving motor 1 13 is turned on, the polyolefin film body 2 is transported to the cutting table 12, and the driving motor 2 16 is turned on to lower the hot cutting device 6 to cut the polyolefin film body 2. When the cutter head of the hot cutting device 6 enters the cleaning frame 20, the cutter head will squeeze the two cleaning scrapers 25 outward. When the cutting is completed, the cutter head rises, and the reaction force of the reset spring 24 pushes the cleaning scraper 25 inward to scrape off the sticky polyolefin film on the cutter head. After using it for a period of time, if the tension force is found to be small, the threaded rod 2 17 is rotated to make the adjustment block 19 slide in the sliding groove 18, so as to adjust the height of the tensioning roller 1 4, thereby adjusting the tension of the polyolefin film on the tensioning roller 1 4 and the tensioning roller 2 5.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A polyolefin film cutting device, comprising a workbench (1), characterized in that: A cutting table (12) is fixedly connected to the middle of the upper end of the workbench (1), a cleaning frame (20) is fixedly connected to the upper end of the cutting table (12), a plurality of fixed frames (22) are fixedly connected to the upper end of the cleaning frame (20), the inner walls of the plurality of fixed frames (22) are slidably connected to sliding rods (23), the outer walls of the plurality of sliding rods (23) are sleeved with return springs (24), a cleaning scraper (25) is arranged above the cleaning frame (20), one end of the plurality of sliding rods (23) is fixedly connected to one side of the cleaning scraper (25), a limiting groove (21) is provided at the upper end of the cleaning frame (20), and the lower end of the cleaning scraper (25) is slidably connected to the inner wall of the limiting groove (21).

2. A polyolefin film cutting device according to claim 1, characterized in that: Two mounting frames (8) are fixedly connected to one side of the upper end of the workbench (1) and near the edge. A sliding groove (18) is provided on one side of the two mounting frames (8). The inner walls of the two sliding grooves (18) are slidably connected to adjustment blocks (19). The upper ends of the two adjustment blocks (19) are fixedly connected to threaded rods (17). The outer walls of the two threaded rods (17) are respectively threadedly connected to the inner walls of the mounting frames (8). A tensioning roller (4) is rotatably connected between the two adjustment blocks (19).

3. A polyolefin film cutting device according to claim 2, characterized in that: A tensioning roller 2 (5) is provided on one side of the tensioning roller 1 (4), and mounting frames 1 (7) are rotatably connected to both sides of the tensioning roller 2 (5), and the lower ends of the two mounting frames 1 (7) are fixedly connected to the upper end of the workbench (1).

4. A polyolefin film cutting device according to claim 1, characterized in that: A support frame (3) is fixedly connected to one side of the workbench (1), and a polyolefin membrane body (2) is rotatably connected to one side of an outer wall of the support frame (3).

5. The polyolefin film cutting device according to claim 1, characterized in that: The workbench (1) is fixedly connected to limit frames (9) on both sides of the middle of the upper end and close to the edge, and the upper ends of the two limit frames (9) are fixedly installed with drive motors 2 (16), and the output end of the drive motors 2 (16) is transmission-connected to threaded rods 1 (15), and the outer wall of the threaded rods 1 (15) is threadedly connected to the hot cutting device (6).

6. A polyolefin film cutting device according to claim 1, characterized in that: A mounting frame three (10) is fixedly connected to the other side of the upper end of the workbench (1), a driving motor one (13) is fixedly installed on one side of the mounting frame three (10), and a friction roller (14) is transmission-connected to the output end of the driving motor one (13).

7. The polyolefin film cutting device according to claim 1, characterized in that: Support legs (11) are fixedly connected at the four corners of the lower end of the workbench (1).

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