Stretching guide device for PE protective film
By designing a PE protective film stretching guide device including a regulating valve, a gear plate and a guide plate, the measurement error and cracking at the connection caused by different sizes during stretching detection of PE protective films are solved. More accurate tensile testing and more stable connections are achieved.
Patent Information
- Application Number
- CN202420925519.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-30
- Publication Date
- 2025-02-07
- Estimated Expiration
- 2034-04-30
AI Technical Summary
During tensile detection, PE protective films with higher density are prone to offset when connected to the equipment due to different sizes, resulting in large errors in measurement results, and large pressure at the connection can easily lead to cracking.
A tensile guide device for PE protective film is designed, including a fixed seat, a console, a tensile pulling device, a number one and two connecting seats, a limit port, a connecting frame, a regulating valve, a gear, a rack, a rack plate and a guide The plate, through the regulating valve, drives the gear plate to rotate, adjust the spacing between the guide plates, so that it is consistent with the width of the film, realizes parallel tensile testing, and increases the connection area through the screw and the block structure.
It effectively reduces measurement errors due to different film sizes and avoids the occurrence of cracking by increasing the area at the connection.
Smart Images
Figure CN222439277U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of PE protective films, in particular to a stretching guide device for PE protective films. 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 water permeability. Polyethylene film (PE) can be made into low-density, medium-density, high-density polyethylene and cross-linked polyethylene and other products with different properties according to different manufacturing methods and control means. Generally speaking, with the increase of density, mechanical properties and barrier properties will be improved accordingly, and heat resistance is also good. Polyethylene of the same density also has different properties due to different film-forming processes. This is because the salivation method can cool quickly, has low crystallinity, high transparency, and low turbidity, but the molecular arrangement tends to be more irregular, so the barrier property is small, that is, the transmittance is large, the elongation is low, and the tear resistance is poor.
[0003] At present, when performing tensile testing on high-density PE protective films, due to the different sizes of PE protective films, they are prone to deviation when connected to the equipment, resulting in large errors in the measurement results. At the same time, the pressure at the connection with the equipment is relatively high, and the connection is prone to cracking during tensile testing. Utility Model Content
[0004] In view of the deficiencies in the prior art, the utility model provides a stretching guide device for a PE protective film to solve the problem mentioned in the above background technology that, when performing stretching tests on PE protective films with higher density, due to the different sizes of PE protective films, they are prone to deviation when connected to the equipment, resulting in large errors in the measurement results. At the same time, the pressure at the connection with the equipment is relatively high, and the connection is prone to cracking during the stretching test.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a stretching guide device for a PE protective film, comprising a fixed seat, a console is fixedly installed on the outer surface of the fixed seat, a stretching and traction device is fixedly installed on the outer surface of the console, a No. 1 connecting seat is fixedly connected to the outer surface of the stretching and traction device away from the console, a No. 2 connecting seat is fixedly installed on the outer surface of the fixed seat away from the console, a limited opening is provided on the outer surfaces of the No. 1 connecting seat and the No. 2 connecting seat, a connecting frame is fixedly installed on the outer surface of the fixed seat, a movable groove is provided on the outer surface of the connecting frame, and the No. 1 connecting seat and the No. 2 connecting seat are provided with limited openings. The outer surface of the connecting frame away from the movable groove is rotatably connected with a regulating valve, and the regulating valve is fixedly installed with a gear through the inside of the connecting frame. The gear is rotatably connected to the inside of the connecting frame, and the outer surface of the gear is meshingly connected with a No. 1 rack plate and a No. 2 rack plate, and the No. 1 rack plate is fixedly installed with a No. 1 guide plate through the outer surface of the movable groove, and the No. 2 rack plate is fixedly installed with a No. 2 guide plate through the outer surface of the movable groove, the outer surfaces of the No. 1 guide plate and the No. 2 guide plate are both slidably connected to the outer surface of the limit port, and the outer surfaces of the No. 1 connecting seat and the No. 2 connecting seat are both provided with traction rollers.
[0006] Preferably, the outer surfaces of the No. 1 connecting seat and the No. 2 connecting seat are both threadedly connected with screws, the output ends of the two screws are rotatably connected with blocks, and the outer surfaces of the two blocks are movably connected to the outer surfaces of the No. 1 connecting seat and the No. 2 connecting seat.
[0007] Preferably, outer surfaces of the No. 1 guide plate and the No. 2 guide plate are both movably connected to the outer surface of the guide roller, and the No. 1 guide plate and the No. 2 guide plate are respectively arranged on both sides of the guide roller.
[0008] Preferably, the outer surfaces of the two clamping blocks close to the traction roller are semicircular, and the outer surfaces of the two clamping blocks close to the traction roller are fixedly installed with anti-skid pads, and the outer surfaces of the anti-skid pads are engaged and connected with the outer surface of the traction roller.
[0009] Preferably, a control panel is provided on the outer surface of the console, and a PE protective film is provided on the outer surface of the traction roller. The outer surface of the PE protective film is movably connected to the outer surfaces of the No. 1 guide plate and the No. 2 guide plate, and the PE protective film is arranged parallel to the No. 1 guide plate and the No. 2 guide plate.
[0010] Preferably, a fixing bolt is threadedly connected to the outer surface of the connecting frame, and an output end of the fixing bolt is threadedly connected to the outer surface of the first rack plate.
[0011] Compared with the prior art, the beneficial effects of the utility model are:
[0012] 1. The stretching guide device of the PE protective film drives the toothed disc to rotate by controlling the regulating valve, so that the No. 1 rack plate and the No. 2 rack plate operate oppositely and slide on the outer surface of the movable groove, and adjust the distance between the No. 1 guide plate and the No. 2 guide plate, so that the distance between the No. 1 guide plate and the No. 2 guide plate is consistent with the width of the PE protective film. The stretching traction device stretches the No. 1 guide plate and the No. 2 guide plate in parallel, and performs a stretching test on the PE protective film, thereby achieving the effect of reducing the large error in the measurement result caused by the different sizes of the PE protective film, which is easy to deviate when connected to the equipment.
[0013] 2. The stretching guide device of the PE protective film is threadedly connected to the outer surfaces of the No. 1 connecting seat and the No. 2 connecting seat with screws, and the output ends of the two screws are rotatably connected to the outer surfaces of the No. 1 connecting seat and the No. 2 connecting seat. The outer surfaces of the two blocks are movably connected to the outer surfaces of the No. 1 connecting seat and the No. 2 connecting seat, so that the PE protective film is fitted with the outer surface of the traction roller, increasing the connection area, thereby achieving the effect of reducing the connection pressure with the equipment due to the high pressure, which is easy to cause the connection to crack during the stretching test. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;
[0015] Figure 2 It is a schematic diagram of a top view and cross-section of the structure of the utility model;
[0016] Figure 3 This is a front cross-sectional schematic diagram of the structure of the utility model;
[0017] Figure 4 It is a top view schematic diagram of the structure of the utility model;
[0018] Figure 5 It is a schematic side sectional view of the structure of the utility model.
[0019] In the figure: 1. fixed seat; 2. control console; 3. stretching and traction device; 4. connecting seat No. 1; 5. connecting seat No. 2; 6. limit port; 7. connecting frame; 8. regulating valve; 9. gear plate; 10. rack plate No. 1; 11. rack plate No. 2; 12. guide plate No. 1; 13. guide plate No. 2; 14. traction roller; 15. screw; 16. block; 17. movable groove. DETAILED DESCRIPTION
[0020] 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.
[0021] Embodiment 1:
[0022] Please refer to Figures 1-5.
[0023] A stretching guide device for a PE protective film comprises a fixed seat 1, a console 2 is fixedly installed on the outer surface of the fixed seat 1, a stretching and traction device 3 is fixedly installed on the outer surface of the console 2, a No. 1 connecting seat 4 is fixedly connected to the outer surface of the stretching and traction device 3 away from the console 2, a No. 2 connecting seat 5 is fixedly installed on the outer surface of the fixed seat 1 away from the console 2, and a limited opening 6 is provided on the outer surfaces of the No. 1 connecting seat 4 and the No. 2 connecting seat 5, a connecting frame 7 is fixedly installed on the outer surface of the fixed seat 1, and a movable groove 17 is provided on the outer surface of the connecting frame 7, and the outer surface of the connecting frame 7 away from the movable groove 17 is movable. A regulating valve 8 is dynamically connected, and a gear is fixedly installed on the regulating valve 8 through the inside of the connecting frame 7. The gear is rotatably connected to the inside of the connecting frame 7, and the outer surfaces of the gears are meshed and connected with a No. 1 rack plate 10 and a No. 2 rack plate 11. The No. 1 rack plate 10 is fixedly installed with a No. 1 guide plate 12 through the outer surface of the movable groove 17, and the No. 2 rack plate 11 is fixedly installed with a No. 2 guide plate 13 through the outer surface of the movable groove 17. The outer surfaces of the No. 1 guide plate 12 and the No. 2 guide plate 13 are both slidably connected to the outer surface of the limit port 6, and the outer surfaces of the No. 1 connecting seat 4 and the No. 2 connecting seat 5 are both provided with traction rollers 14.
[0024] Specifically, the PE protective film is first connected to the traction roller 14 on the No. 2 connecting seat 5, and then the regulating valve 8 is controlled to drive the toothed disc 9 to rotate according to the width of the PE protective film, so that the No. 1 rack plate 10 and the No. 2 rack plate 11 operate in opposite directions and slide on the outer surface of the movable groove 17, and the distance between the No. 1 guide plate 12 and the No. 2 guide plate 13 is adjusted so that the spacing between the No. 1 guide plate 12 and the No. 2 guide plate 13 is consistent with the width of the PE protective film, and then the connection between the PE protective film and the guide rollers on the No. 1 connecting seat 4 and the No. 2 connecting seat 5 is adjusted so that the two ends of the PE protective film are parallel to the No. 1 guide plate 12 and the No. 2 guide plate 13, and then the control console 2 is operated to operate the stretching and traction device 3, and the stretching and traction device 3 is stretched in parallel along the No. 1 guide plate 12 and the No. 2 guide plate 13, and the PE protective film is stretched to test, thereby achieving the effect of reducing the large error in the measurement result caused by the different sizes of the PE protective film, which is easy to deviate when connected to the equipment.
[0025] In the embodiment, the outer surfaces of the first guide plate 12 and the second guide plate 13 are both movably connected to the outer surface of the guide roller, and the first guide plate 12 and the second guide plate 13 are respectively arranged on both sides of the guide roller.
[0026] Specifically, because the outer surfaces of the No. 1 guide plate 12 and the No. 2 guide plate 13 are movably connected to the outer surface of the guide roller, and the No. 1 guide plate 12 and the No. 2 guide plate 13 are respectively arranged on both sides of the guide roller, the two sides of the PE protective film are guided in the correct position to reduce deviation.
[0027] In the embodiment: a control panel is provided on the outer surface of the console 2, a PE protective film is provided on the outer surface of the traction roller 14, the outer surface of the PE protective film is movably connected to the outer surfaces of the No. 1 guide plate 12 and the No. 2 guide plate 13, and the PE protective film is arranged parallel to the No. 1 guide plate 12 and the No. 2 guide plate 13.
[0028] Specifically, since a control panel is provided on the outer surface of the console 2, the console 2 is an existing structure, and the control circuit can be realized through simple programming by technicians in this field, which is common knowledge in this field and is only used without modification, the control method and circuit connection are not described in detail. A PE protective film is provided on the outer surface of the traction roller 14, and the outer surface of the PE protective film is movably connected to the outer surfaces of the No. 1 guide plate 12 and the No. 2 guide plate 13, and the PE protective film is arranged in parallel with the No. 1 guide plate 12 and the No. 2 guide plate 13, so that the PE protective film subjected to each tensile test will not be offset under the restriction of the No. 1 guide plate 12 and the No. 2 guide plate 13.
[0029] In the embodiment, a fixing bolt is threadedly connected to the outer surface of the connecting frame 7 , and an output end of the fixing bolt is threadedly connected to the outer surface of the first rack plate 10 .
[0030] Specifically, the outer surface of the connecting frame 7 is threadedly connected with a fixing bolt, and the output end of the fixing bolt is threadedly connected to the outer surface of the No. 1 rack plate 10. After the control regulating valve 8 adjusts the No. 1 guide plate 12 and the No. 2 guide plate 13 to be at an appropriate distance, the fixing bolt is tightened to restrict the No. 1 rack plate 10, and the toothed disc 9 is reset during use, resulting in an error.
[0031] Working principle: The PE protective film is first connected to the traction roller 14 on the No. 2 connection seat 5, and then the regulating valve 8 is controlled to drive the toothed disc 9 to rotate according to the width of the PE protective film, so that the No. 1 rack plate 10 and the No. 2 rack plate 11 operate oppositely and slide on the outer surface of the movable groove 17, and the distance between the No. 1 guide plate 12 and the No. 2 guide plate 13 is adjusted to make the spacing between the No. 1 guide plate 12 and the No. 2 guide plate 13 consistent with the width of the PE protective film, and then the connection between the PE protective film and the guide rollers on the No. 1 connection seat 4 and the No. 2 connection seat 5 is adjusted. Make the two ends of the PE protective film parallel to the No. 1 guide plate 12 and the No. 2 guide plate 13, then operate the control console 2 to operate the stretching and traction device 3, the stretching and traction device 3 stretches in parallel along the No. 1 guide plate 12 and the No. 2 guide plate 13, and performs a stretching test on the PE protective film. Compared with the related art, the stretching guide device for PE protective film provided by the utility model has the following beneficial effects: thereby achieving the effect of reducing the large error in the measurement result caused by the different sizes of the PE protective film, which is easy to deviate when connected to the equipment.
[0032] Embodiment 2:
[0033] Please refer to Figures 1-5.
[0034] The outer surfaces of the No. 1 connecting seat 4 and the No. 2 connecting seat 5 are both threadedly connected with screw rods 15, and the output ends of the two screw rods 15 are rotatably connected with blocks 16, and the outer surfaces of the two blocks 16 are movably connected to the outer surfaces of the No. 1 connecting seat 4 and the No. 2 connecting seat 5.
[0035] Specifically, screws 15 are threadedly connected to the outer surfaces of the No. 1 connecting seat 4 and the No. 2 connecting seat 5, and blocks 16 are rotatably connected to the output ends of the two screws 15. The outer surfaces of the two blocks 16 are movably connected to the outer surfaces of the No. 1 connecting seat 4 and the No. 2 connecting seat 5, so that it is convenient to clamp PE protective films of different thicknesses, and the PE protective film is fitted with the outer surface of the traction roller 14 to increase the area of the connection, thereby achieving the effect of reducing the connection cracking that is easy to occur during the tensile test due to the high pressure at the connection with the equipment.
[0036] In the embodiment, the outer surfaces of the two clamping blocks 16 close to the traction roller 14 are semicircular, and the outer surfaces of the two clamping blocks 16 close to the traction roller 14 are fixedly installed with anti-skid pads, and the outer surfaces of the anti-skid pads are engaged with the outer surface of the traction roller 14.
[0037] Specifically, because the outer surfaces of the two blocks 16 near the traction roller 14 are semicircular, and the outer surfaces of the two blocks 16 near the traction roller 14 are fixedly installed with anti-skid pads, the outer surfaces of the anti-skid pads are engaged and connected with the outer surface of the traction roller 14, so that the contact area with the PE protective film is wider, reducing the pressure at the connection.
[0038] Working principle: screws 15 are threadedly connected to the outer surfaces of the No. 1 connecting seat 4 and the No. 2 connecting seat 5, and blocks 16 are rotatably connected to the output ends of the two screws 15. The outer surfaces of the two blocks 16 are movably connected to the outer surfaces of the No. 1 connecting seat 4 and the No. 2 connecting seat 5, so that it is convenient to clamp PE protective films of different thicknesses, and the PE protective film is fitted with the outer surface of the traction roller 14 to increase the area of the connection. Compared with the related art, the stretching guide device for PE protective film provided by the utility model has the following beneficial effects: thereby achieving the effect of reducing the possibility of connection cracking during stretching tests due to the high pressure at the connection with the equipment.
[0039] 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 stretching guide device for a PE protective film, comprising a fixing seat (1), characterized in that: A console (2) is fixedly mounted on the outer surface of the fixed seat (1), a stretching and traction device (3) is fixedly mounted on the outer surface of the console (2), a first connecting seat (4) is fixedly connected to the outer surface of the stretching and traction device (3) away from the console (2), a second connecting seat (5) is fixedly mounted on the outer surface of the fixed seat (1) away from the console (2), both the first connecting seat (4) and the second connecting seat (5) are provided with a limiting opening (6) on their outer surfaces, a connecting frame (7) is fixedly mounted on the outer surface of the fixed seat (1), a movable groove (17) is provided on the outer surface of the connecting frame (7), and a regulating valve (8) is rotatably connected to the outer surface of the connecting frame (7) away from the movable groove (17). The regulating valve (8) is fixedly mounted with a gear through the interior of the connecting frame (7), the gear is rotatably connected to the interior of the connecting frame (7), the outer surface of the gear is meshingly connected with a first rack plate (10) and a second rack plate (11), the first rack plate (10) is fixedly mounted with a first guide plate (12) through the outer surface of the movable groove (17), the second rack plate (11) is fixedly mounted with a second guide plate (13) through the outer surface of the movable groove (17), the outer surfaces of the first guide plate (12) and the second guide plate (13) are both slidably connected to the outer surface of the limit opening (6), and the outer surfaces of the first connecting seat (4) and the second connecting seat (5) are both provided with traction rollers (14).
2. The stretching guide device for a PE protective film according to claim 1, characterized in that: The outer surfaces of the No. 1 connecting seat (4) and the No. 2 connecting seat (5) are both threadedly connected with screw rods (15), the output ends of the two screw rods (15) are rotatably connected with clamping blocks (16), and the outer surfaces of the two clamping blocks (16) are movably connected to the outer surfaces of the No. 1 connecting seat (4) and the No. 2 connecting seat (5).
3. The stretching guide device for a PE protective film according to claim 1, characterized in that: The outer surfaces of the first guide plate (12) and the second guide plate (13) are both movably connected to the outer surface of the guide roller, and the first guide plate (12) and the second guide plate (13) are respectively arranged on both sides of the guide roller.
4. The stretching guide device for a PE protective film according to claim 2, characterized in that: The outer surfaces of the two clamping blocks (16) close to the traction roller (14) are both semicircular, and the outer surfaces of the two clamping blocks (16) close to the traction roller (14) are fixedly mounted with anti-skid pads, and the outer surfaces of the anti-skid pads are engaged and connected with the outer surfaces of the traction roller (14).
5. The stretching guide device for a PE protective film according to claim 1, characterized in that: The control console (2) is provided with a control panel on its outer surface, the traction roller (14) is provided with a PE protective film on its outer surface, the outer surface of the PE protective film is movably connected to the outer surfaces of the first guide plate (12) and the second guide plate (13), and the PE protective film is arranged in parallel with the first guide plate (12) and the second guide plate (13).
6. The stretching guide device for a PE protective film according to claim 1, characterized in that: The outer surface of the connecting frame (7) is threadedly connected with a fixing bolt, and the output end of the fixing bolt is threadedly connected to the outer surface of the first rack plate (10).