Polyethylene packaging film automatic thickness detection device and control system

Abstract

The utility model discloses a polyethylene packaging film automatic thickness detection device and a control system, which comprises a test seat, an electric sliding table is installed on the rear side of the upper surface of the test seat in a bolting manner, a sliding block is installed on the surface of the sliding table at the output end of the electric sliding table in a bolting manner, a limiting block is arranged on the outer side of the sliding block, and pressing plates are movably installed on the upper side and the lower side of the limiting block. And a mounting frame is clamped in the two groups of pressing plates. The use height of the mounting frame is controlled through the arranged electric sliding table, then it is guaranteed that the protective film can be stably placed on the upper portion of the testing plate to complete testing preparation work, meanwhile, due to the fact that the whole mounting frame ascends, a measuring rod in the oil injection bin can be stabilized in the testing box, and meanwhile the measuring point marking position is locked by the distance measuring instrument; after the electric sliding table works and controls the installation frame to descend, the installation frame is reset, the installation frame still moves downwards to the initial position after the pressing head makes contact with the protective film, and the overall thickness of the protective film is measured through the locking position change of the measuring point marked by the distance measuring instrument.

Description

Technical Field

[0001] The utility model relates to the technical field of polyethylene protective film production, in particular to an automatic thickness detection device and a control system for polyethylene packaging films. Background Art

[0002] Polyethylene is a thermoplastic resin produced through the polymerization of ethylene monomers. Industrially, it also includes copolymers of ethylene with small amounts of α-olefins. Polyethylene is odorless, non-toxic, waxy, and has excellent low-temperature resistance. Polyethylene packaging film, also known as polyethylene film, refers to film produced from PE granules.

[0003] 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 means, so it is necessary to conduct thickness testing on polyethylene packaging film.

[0004] However, in the existing technology, due to the thin bottom of the polyethylene packaging film, common thickness testing devices cannot accurately measure the thickness, and are prone to pulling the polyethylene insurance film to the side, resulting in inaccurate test results. Therefore, an automatic thickness detection device and control system for polyethylene packaging film are now needed. Utility Model Content

[0005] The purpose of the utility model is to provide an automatic thickness detection device and control system for polyethylene packaging film, which controls the use position of the measuring rod by injecting pressurized oil into the oil filling bin, and accurately measures the thickness of the protective film by moving the mounting frame, so as to solve the technical problems mentioned in the background technology.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: an automatic thickness detection device for polyethylene packaging film, comprising a test seat, an electric slide being bolted to the rear side of the upper surface of the test seat, a slider being bolted to the slide surface at the output end of the electric slide, a limit block being provided on the outer side of the slider, and pressure plates being movably mounted on the upper and lower sides of the limit block, with a mounting frame being clamped inside two sets of the pressure plates;

[0007] A test box is bolted to the front side of the upper surface of the mounting frame, an oil filling tank is provided inside the test box, a measuring rod is installed through the center of the test box, and the measuring rod passes through the oil filling tank, a floating plate is provided in the middle of the measuring rod, and several groups of measuring point marks are provided on the outer surface of the measuring rod, and a rangefinder is provided on the front side of the test box.

[0008] Preferably, a test plate is bolted to the front side of the upper surface of the test seat, a point push rod is provided inside the output position of the electric slide, and a blocking plate is bolted to the telescopic top end of the point push rod.

[0009] Preferably, a connecting block is bolted to the outside of the slider, the limit block is bolted to the outer end of the connecting block, two groups of limit rods are movably installed inside the limit block, and the outer ends of the two groups of limit rods are respectively fixedly connected to the surface of a group of clamping plates.

[0010] Preferably, a positioning bolt is threadedly installed in the middle of one side of the limiting block, and the end of the positioning bolt is pressed against the surfaces of the two groups of limiting rods, and positioning blocks are installed on the corresponding sides of the two groups of clamping plates.

[0011] Preferably, a group of positioning holes are respectively opened on the upper and lower sides of the mounting frame, and the positioning blocks are movably inserted into the positioning holes.

[0012] Preferably, sealing seats are installed on the upper and lower sides of the test box respectively, and anti-oil leakage protection rubber rings are installed inside the sealing seats. The outer surface of the measuring rod is slidably installed in contact with the anti-oil leakage protection rubber ring, and a pressure head is fixedly installed at the bottom end of the measuring rod, and the pressure head corresponds to the center position of the test plate.

[0013] Preferably, the oil filling bin is filled with pressurized oil, and the surface of the floating plate is slidably mounted against the inner wall of the oil filling bin.

[0014] A control system is applied to the above-mentioned automatic thickness detection device for polyethylene packaging film.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] The height of the mounting frame is controlled by the electric slide, thereby ensuring that the protective film can be stably placed on the upper part of the test plate to complete the test preparation. At the same time, due to the overall rise of the mounting frame, the measuring rod inside the oil filling tank can be stabilized inside the test box, and the measuring point mark position is locked by the rangefinder. After the electric slide controls the mounting frame to descend, the mounting frame is reset. After the pressure head contacts the protective film, the mounting frame will still move down to the starting position, thereby changing the position of the measuring rod. The overall thickness of the protective film is measured by the change in the locking position of the measuring point mark by the rangefinder, making the test process more accurate and complete. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the overall structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the disassembly of the installation structure of the restraint belt of the utility model;

[0020] Figure 4 This is a schematic diagram of the bottom structure of the arc-shaped cover of the utility model.

[0021] In the figure: 1. Keycap shell; 2. Inner groove; 3. Card slot; 4. Power supply seat; 5. Anti-slip pad; 6. Bottom groove; 7. Card column; 8. Power board; 9. Power plug board; 10. Letter placement slot; 11. Rubber protrusion; 12. Translucent rubber cap top cover; 13. Connecting plug board; 14. Deformation groove; 15. Positioning block; 16. Bracket; 17. Air cushion. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] The utility model provides: a polyethylene packaging film automatic thickness detection device, such as Figures 1-4 As shown, it includes a test seat 1, an electric slide 3 is bolted to the rear side of the upper surface of the test seat 1, a slider 6 is bolted to the slide surface of the output end of the electric slide 3, a limit block 8 is provided on the outside of the slider 6, and a clamping plate 10 is movably installed on the upper and lower sides of the limit block 8, and a mounting frame 13 is clamped inside the two groups of clamping plates 10; a test box 15 is bolted to the front side of the upper surface of the mounting frame 13, an oil filling tank 18 is provided inside the test box 15, a measuring rod 20 is installed through the center of the test box 15, and the measuring rod 20 passes through the inside of the oil filling tank 18, a floating plate 21 is sleeved in the middle of the measuring rod 20, and a plurality of measuring point marks 22 are provided on the outer surface of the measuring rod 20, and a rangefinder 24 is provided on the front side of the test box 15.

[0024] Preferably, a test plate 2 is bolted to the front side of the upper surface of the test seat 1, a point push rod 4 is provided inside the output position of the electric slide 3, and a blocking plate 5 is bolted to the telescopic top end of the point push rod 4. The test plate 2 installed on the upper surface of the test seat 1 cooperates with the pressure head 23 to better test the protective film, and the point push rod 4 installed on the output side of the electric slide 3 limits the blocking plate 5 to control the position of the mounting frame 13 when it is reset, so as to avoid inaccurate testing caused by excessive downward pressure of the pressure head 23.

[0025] Furthermore, a connecting block 7 is bolted to the outside of the slider 6, and a limit block 8 is bolted to the outer end of the connecting block 7. Two groups of limit rods 9 are movably installed inside the limit block 8, and the outer ends of the two groups of limit rods 9 are respectively fixedly connected to the surface of a group of clamping plates 10. The connecting block 7 is used to connect the slider 6 and the limit block 8, so that the electric slide 3 can better control the mounting frame 13 and then lift it up and down to better lay the protective film, and can ensure the reset of the measuring rod 20 during the test, determine the starting position of the measuring rod 20, and avoid the displacement of the measuring rod 20 due to the force of the test plate 2.

[0026] Furthermore, a positioning bolt 12 is threadedly installed in the middle of one side of the limit block 8, and the end of the positioning bolt 12 is pressed against the surface of the two groups of limit rods 9. Positioning blocks 11 are installed on the corresponding sides of the two groups of clamping plates 10. After the two groups of clamping plates 10 are pressed down, the limit rod 9 is reset, so that the positioning bolt 12 can be rotated to press against the two groups of limit rods 9, and then the use position of the clamping plate 10 can be fixed, thereby completing the limitation of the mounting frame 13.

[0027] It is worth noting that a group of positioning holes 14 are respectively opened on the upper and lower sides of the mounting frame 13, and the positioning blocks 11 are movably inserted into the positioning holes 14. The positioning holes 14 opened on the upper and lower sides of the mounting frame 13 cooperate with the positioning blocks 11 to ensure that the connection between the clamping plate 10 and the mounting frame 13 is stable. The two groups of clamping plates 10 can be moved, so that the mounting frame 13 can be more conveniently disassembled, thereby enabling better maintenance work on the test box 15.

[0028] Specifically, sealing seats 16 are respectively installed on the upper and lower sides of the test box 15, and anti-oil leakage protection rubber rings 17 are installed inside the sealing seats 16. The outer surface of the measuring rod 20 is slidably installed in contact with the anti-oil leakage protection rubber ring 17, and a pressure head 23 is fixedly installed at the bottom end of the measuring rod 20. The pressure head 23 corresponds to the center position of the test plate 2. The oil filling tank 18 is filled with pressurized oil 19, and the surface of the floating plate 21 is slidably installed in contact with the inner wall of the oil filling tank 18. The test box 15 and the sealing seat 16 prevent the oil filling tank 18 from leaking in the future, and the oil filling tank 18 is filled with pressurized oil 19 to maintain the balance of the floating plate 21 and prevent the floating plate 21 from moving freely. The measuring point mark 22 opened on the outside of the measuring rod 20 can cooperate with the rangefinder 24 to accurately measure the floating of the measuring rod 20, so as to better test the thickness of the protective film.

[0029] A control system is applied to an automatic thickness detection device for polyethylene packaging film.

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

Claims

1. Automatic thickness detection device for polyethylene packaging film, characterized by: The test seat (1) comprises an electric slide (3) bolted to the rear side of the upper surface of the test seat (1), a slider (6) bolted to the slide surface of the output end of the electric slide (3), a limit block (8) is provided on the outer side of the slider (6), and a clamping plate (10) is movably installed on the upper and lower sides of the limit block (8), and a mounting frame (13) is clamped inside two groups of the clamping plates (10); A test box (15) is bolted and installed on the front side of the upper surface of the mounting frame (13), an oil filling tank (18) is provided inside the test box (15), a measuring rod (20) is installed through the center of the test box (15), and the measuring rod (20) passes through the inside of the oil filling tank (18), a floating plate (21) is sleeved on the middle part of the measuring rod (20), and a plurality of groups of measuring point marks (22) are opened on the outer surface of the measuring rod (20), and a distance meter (24) is provided on the front side of the test box (15).

2. The automatic thickness detection device for polyethylene packaging film according to claim 1, characterized in that: A test plate (2) is bolted to the front side of the upper surface of the test seat (1), a point push rod (4) is provided inside the output position of the electric slide (3), and a blocking plate (5) is bolted to the telescopic top end of the point push rod (4).

3. The automatic thickness detection device for polyethylene packaging film according to claim 2, characterized in that: The outer side of the slider (6) is bolted with a connecting block (7), the limiting block (8) is bolted to the outer end of the connecting block (7), two groups of limiting rods (9) are movably installed inside the limiting block (8), and the outer ends of the two groups of limiting rods (9) are respectively fixedly connected to the surface of a group of pressing plates (10).

4. The automatic thickness detection device for polyethylene packaging film according to claim 3, characterized in that: A positioning bolt (12) is threadedly installed in the middle of one side of the limiting block (8), and the end of the positioning bolt (12) is pressed against the surface of the two groups of limiting rods (9). Positioning blocks (11) are installed on the corresponding sides of the two groups of pressing plates (10).

5. The automatic thickness detection device for polyethylene packaging film according to claim 4, characterized in that: A group of positioning holes (14) are respectively provided on the upper and lower sides of the mounting frame (13), and the positioning blocks (11) are movably inserted into the positioning holes (14).

6. The automatic thickness detection device for polyethylene packaging film according to claim 5, characterized in that: The upper and lower sides of the test box (15) are respectively provided with sealing seats (16), and the inside of the sealing seats (16) is provided with an anti-leakage oil protection rubber ring (17). The outer surface of the measuring rod (20) is slidably mounted in contact with the anti-leakage oil protection rubber ring (17), and a pressure head (23) is fixedly mounted at the bottom end of the measuring rod (20), and the pressure head (23) corresponds to the center position of the test plate (2).

7. The automatic thickness detection device for polyethylene packaging film according to claim 6, characterized in that: The oil filling bin (18) is filled with pressurized oil (19), and the surface of the floating plate (21) is slidably mounted in contact with the inner wall of the oil filling bin (18).

8. A control system, characterized in that: Applicable to the automatic thickness detection device for polyethylene packaging film as described in any one of claims 1 to 7.

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