Device for testing wear resistance of polyester aluminum laminated film at high temperature

Abstract

The utility model relates to a device for testing the wear resistance of a polyester aluminum laminated film at high temperature, which comprises an operation box, a testing cavity with a forward opening is arranged in the operation box, and a movable door is hinged at the opening of the testing cavity; a sliding plate sliding back and forth is connected in the testing cavity, a first driving mechanism used for driving the sliding plate is installed in the testing cavity, a supporting plate is installed on the bottom wall of the testing cavity, and the lower side face of the sliding plate abuts against the upper side of the supporting plate; an electric heating wire is mounted in the supporting plate; fixing assemblies are mounted in the testing cavity in a bilateral symmetry manner; a friction mechanism is connected in the testing cavity in a left-right sliding mode, after a to-be-tested sample is conveyed into the testing cavity, the electric heating wire heats the to-be-tested sample so that the to-be-tested sample can reach the temperature needed by testing, then the scribing tool repeatedly rubs the surface of the to-be-tested sample, and therefore whether the abrasion resistance of the polyester aluminum laminated film in the high-temperature environment is qualified or not is tested.

Description

TECHNICAL FIELD

[0001] The utility model relates to polyester plated aluminum film, especially a kind of polyester plated aluminum film abrasion resistance testing device under high temperature. BACKGROUND

[0002] Polyester plated aluminum film, abbreviated as VMPET, is a kind of composite film formed by accumulating a thin layer of aluminum atoms on polyester film (PET) through vacuum aluminum plating process, and polyester plated aluminum film has the advantages of good barrier property, strong chemical stability, good thermal stability, etc., and is widely used in food packaging, pharmaceutical packaging and tobacco packaging fields.

[0003] During packaging, transportation and storage, polyester plated aluminum film will inevitably be subjected to friction, and if the wear resistance of polyester plated aluminum film is unqualified, the aluminum plating layer on the surface of polyester plated aluminum film is easy to be worn off, thereby damaging its barrier property, so before leaving factory, manufacturers need to test the wear resistance of polyester plated aluminum film sampled from different batches.

[0004] During hot filling process of food packaging, or in some specific transportation and storage environment, polyester plated aluminum film will be in high temperature environment, therefore, how to test the wear resistance of polyester plated aluminum film under high temperature environment to ensure that polyester plated aluminum film will not cause problems such as aluminum plating layer falling off due to wear in high temperature environment becomes a problem to be solved. UTILITY MODEL CONTENTS

[0005] The utility model provides a kind of polyester plated aluminum film abrasion resistance testing device under high temperature, solve the above problems existing in the use process in prior art.

[0006] The technical scheme of the utility model is realized as follows: a kind of polyester plated aluminum film abrasion resistance testing device under high temperature, including operation box, the operation box is opened in and has the test cavity with the opening forward, the test cavity opening is hinged with movable door;

[0007] Sliding plate of sliding forward and backward is connected in the test cavity, a first drive mechanism for driving the sliding plate is installed in the test cavity, support plate is installed on the bottom wall of the test cavity, the upper side of the support plate is abutted to the lower side of the sliding plate, electric heating wire is installed in the support plate;

[0008] Fixed assembly is installed in the test cavity left and right symmetrically;

[0009] Friction mechanism is slidably connected in the test cavity left and right, a second drive mechanism for driving the friction mechanism is installed in the test cavity.

[0010] The further setting of the utility model comprises: the first drive mechanism includes a first screw rod, the number of the first screw rod is two, two first screw rods are symmetrically connected in the test cavity, and the sliding plates are connected on the two first screw rods;

[0011] The rear side of the operation box is fixedly connected with a connecting box, the rear ends of the two first screw rods are rotatably connected in the connecting box, a first motor for driving the first screw rod is installed on the connecting box, synchronous wheels are fixedly arranged on the two first screw rods, and a synchronous belt is connected between the two synchronous wheels.

[0012] The further setting of the utility model comprises: the fixing assembly comprises side plates, and the two side plates are symmetrically arranged in the test cavity;

[0013] A first cylinder is fixedly connected to the lower side of the side plate, a pressing plate is fixedly connected to the piston rod end of the first cylinder, and the pressing plate is pressed on the upper side of the sliding plate.

[0014] The further setting of the utility model comprises: the second drive mechanism comprises a second screw rod, the second screw rod is rotatably connected in the test cavity, and a second motor for driving the second screw rod is installed on the operation box.

[0015] The further setting of the utility model comprises: the friction mechanism comprises a sliding seat, the sliding seat is screw-connected on the second screw rod, a second cylinder is installed in the sliding seat, and a scribe is installed at the piston rod end of the second cylinder.

[0016] The further setting of the utility model comprises: the rear side of the test cavity is rotatably connected with a third screw rod driven by a third motor, a mounting seat that can slide leftward and rightward is screw-connected on the third screw rod, and a cooling fan is installed on the front side of the mounting seat.

[0017] The further setting of the utility model comprises: a plurality of cooling holes are vertically and horizontally arranged in the upper side wall of the test cavity.

[0018] The further setting of the utility model comprises: a plurality of cooling holes are vertically and horizontally arranged in the upper side wall of the test cavity.

[0019] When the sample to be tested is transported into the test cavity, the heating wire heats the sample to be tested, so that the sample to be tested reaches the required temperature for testing, and the scribe repeatedly rubs on the surface of the sample to be tested, so that whether the wear resistance of the polyester aluminum-plated film in a high-temperature environment is qualified is tested.

[0020] After the sample to be tested is tested, the cooling fan cools the sample to be tested, so that the heat dissipation speed of the sample to be tested is accelerated, so that the technician can observe the surface of the sample to be tested as soon as possible, and the testing efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description only represent some of the embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0022] Figure 1 It is a schematic view of the overall structure of the present application.

[0023] Figure 2 It is Figure 1 It is a schematic view of the structure after removing the movable door.

[0024] Figure 3 It is a top view of the present application.

[0025] Figure 4 It is Figure 3 It is a sectional view of A-A of the present application.

[0026] Figure 5 It is a sectional view of C-C of the present application. Figure 4

[0027] Reference numerals in the drawings: 11, operating box; 12, test cavity; 13, movable door; 14, sliding plate; 15, support plate; 16, heating wire; 17, No. 1 lead screw; 18, connecting box; 19, No. 1 motor; 20, synchronous wheel; 21, synchronous belt; 22, side plate; 23, No. 1 air cylinder; 24, pressing plate; 25, No. 2 lead screw; 26, No. 2 motor; 27, sliding seat; 28, No. 2 air cylinder; 29, marking gauge; 30, No. 3 motor; 31, No. 3 lead screw; 32, mounting seat; 33, heat dissipation fan; 34, heat dissipation hole. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be described clearly and completely in combination with the drawings of the embodiments of the present application. Figures 1-5 Obviously, the described embodiments only represent some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0029] EMBODIMENT:

[0030] As Figures 1 to 5 ​As shown, a kind of polyester aluminized film abrasion resistance testing device at high temperature, including operating box 11, the operating box 11 It is forwardly provided with opening test cavity 12, the opening of test cavity 12 It is hinged to the movable door 13 with heat insulation function, the test cavity 12 It is connected with two No. 1 lead screw 17 symmetrically left and right, two No. 1 lead screw 17 It is commonly connected with a sliding plate 14 on screw thread, and the sliding plate 14 is driven forward and backward by two No. 1 lead screw 17, before starting test, technician opens movable door 13, the sliding plate 14 moves forward to the outside of test cavity 12, and technician lays the sample to be tested on the sliding plate 14, then the sliding plate 14 drives the sample to be tested to move backward to the test cavity 12, then technician closes movable door 13.

[0031] The power source of No. 1 lead screw 17 is: the rear side of operating box 11 It is fixedly connected with connecting box 18, the rear end of two No. 1 lead screw 17 It is rotatably connected in connecting box 18, connecting box 18 It is installed with No. 1 motor 19 for driving No. 1 lead screw 17, and two No. 1 lead screw 17 It is fixedly provided with synchronous pulley 20 on one side in connecting box 18, two synchronous pulleys 20 It is connected with synchronous belt 21, by the above structure, No. 1 motor 19 It can drive two No. 1 lead screw 17 to rotate simultaneously, so as to drive the sliding plate 14 to slide forward and backward.

[0032] And, the test cavity 12 It is symmetrically provided with side plate 22 left and right, one No. 1 air cylinder 23 It is installed on the lower side of two side plates 22, the piston rod end of No. 1 air cylinder 23 It is fixedly connected with pressing plate 24, when the sliding plate 14 It moves backward to the test cavity 12, No. 1 air cylinder 23 Drive pressing plate 24 to move downward until it is pressed on the upper side of the sample to be tested, to fix the sample to be tested.

[0033] In addition, support plate 15 It is installed on the bottom wall of test cavity 12, the lower side of sliding plate 14 It is abutted to the upper side of support plate 15, so that support plate 15 It can support sliding plate 14, to strengthen the structural stability of sliding plate 14, and support plate 15 It is installed with heating wire 16, after pressing plate 24 It is fixed with the sample to be tested, technician closes movable door 13, heating wire 16 Start working and heat the sample to be tested to the required test temperature.

[0034] Here it needs to be explained that the sliding plate 14 It is easy to heat-conducting material, so as to accelerate the heating speed of the sample to be tested, so as to improve the test efficiency.

[0035] The second number of lead screws 25 is rotatably connected in the test cavity 12, the operating box 11 is provided with a second number of motor 26 for driving the second number of lead screws 25, the second number of lead screws 25 is threadedly connected with the left and right sliding sliding seat 27, the sliding seat 27 is provided with a second number of pneumatic cylinder 28, the piston rod end of the second number of pneumatic cylinder 28 is provided with a ruler 29, before fixing the sample to be tested, the ruler 29 is located above the sliding plate 14, after the sample to be tested is heated to the test temperature, the second number of pneumatic cylinder 28 drives the ruler 29 to move downward until the lower end of the ruler 29 abuts on the upper end of the sample to be tested, then the sliding seat 27 is driven by the second number of lead screws 25 to move back and forth, so that the lower end of the ruler 29 repeatedly rubs on the surface of the sample to be tested, so as to test whether the polyester aluminum plated film is qualified in the high temperature environment.

[0036] It should be noted that the ruler 29 is a device known to those skilled in the art, and a large number of mature technologies are supported in the embodiment to achieve the function of the ruler 29. The essence of the utility model lies in optimizing and combining the existing hardware machine connection mode for specific application occasions to solve the problem of how to test the wear resistance of the polyester aluminum plated film in the high temperature environment without changing the internal structure of the ruler 29.

[0037] After the test is completed, the technician needs to open the movable door 13 and move the sliding plate 14 out of the test cavity 12, so as to observe the surface of the sample to be tested. Since the surface temperature of the sample to be tested is high, in order to avoid the technician being scalded during operation, the sample to be tested needs to be cooled to room temperature before being taken out for observation. For this purpose, the rear side of the test cavity 12 is rotatably connected with a third number of lead screws 31 driven by a third number of motor 30, the third number of lead screws 31 is threadedly connected with a left and right sliding mounting seat 32, the front side of the mounting seat 32 is provided with a cooling fan 33, after the test is completed, the mounting seat 32 is driven by the third number of lead screws 31 to move left and right, so that the cooling fan 33 cools the surface of the sample to be tested, so as to accelerate the cooling speed of the sample to be tested, thereby improving the test efficiency.

[0038] It should be noted that the rear wall of the mounting seat 32 abuts on the rear wall of the test cavity 12, so as to limit the movement of the mounting seat 32, and the mounting seat 32 can only move horizontally left and right.

[0039] In addition, a plurality of heat dissipation holes 34 are provided in the upper wall of the test cavity 12, so as to accelerate the heat dissipation speed of the sample to be tested, shorten the heat dissipation time of the sample to be tested, and improve the test efficiency.

[0040] Meanwhile, it needs to be pointed out that the terms indicated by the utility model, such as "front", "rear", "vertical", "horizontal" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the protection scope of the utility model.

[0041] The above only describes the preferred embodiments of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A device for testing the abrasion resistance of a polyester aluminized film at high temperature, comprising an operating box (11), characterized in that it comprises: The operation box (11) is internally provided with a test cavity (12) with an opening facing forward, and a movable door (13) is hinged at the opening of the test cavity (12); A sliding plate (14) sliding forward and backward is connected in the test cavity (12), a first driving mechanism for driving the sliding plate (14) is installed in the test cavity (12), a supporting plate (15) is installed on the bottom wall of the test cavity (12), the lower side of the sliding plate (14) abuts against the upper side of the supporting plate (15), and an electric heating wire (16) is installed in the supporting plate (15); A fixing assembly is symmetrically installed in the test cavity (12); A friction mechanism is slidingly connected in the test cavity (12), and a second driving mechanism for driving the friction mechanism is installed in the test cavity (12).

2. A device for testing the abrasion resistance of a polyester aluminized film at high temperatures according to claim 1, characterized in that: The first driving mechanism comprises a first lead screw (17), the number of the first lead screw (17) is two, the two first lead screws (17) are symmetrically connected in the test cavity (12), and the sliding plate (14) is commonly connected to the two first lead screws (17); The rear end of the two first lead screws (17) is rotatably connected in the connecting box (18), a first motor (19) for driving the first lead screw (17) is installed on the connecting box (18), a synchronous wheel (20) is fixedly arranged on the two first lead screws (17), and a synchronous belt (21) is connected between the two synchronous wheels (20).

3. A device for testing the abrasion resistance of a polyester aluminized film at high temperatures according to claim 2, characterized in that: The fixing assembly comprises a side plate (22), and the two side plates (22) are symmetrically arranged in the test cavity (12); A first air cylinder (23) is fixedly connected to the lower side of the side plate (22), the piston rod end of the first air cylinder (23) is fixedly connected with a pressing plate (24), and the pressing plate (24) is pressed on the upper side of the sliding plate (14).

4. The device for testing the abrasion resistance of a polyester aluminized film at high temperatures according to claim 1, characterized in that: The second driving mechanism comprises a second lead screw (25), the second lead screw (25) is rotatably connected in the test cavity (12), and a second motor (26) for driving the second lead screw (25) is installed on the operation box (11).

5. A device for testing the abrasion resistance of a polyester aluminized film at high temperatures according to claim 4, characterized in that: The friction mechanism comprises a sliding seat (27), the sliding seat (27) is threadedly connected to the second lead screw (25), a second air cylinder (28) is installed in the sliding seat (27), and a scratching tool (29) is installed at the piston rod end of the second air cylinder (28).

6. A device for testing the abrasion resistance of a polyester aluminized film at high temperatures according to claim 1, characterized in that: A third lead screw (31) driven by a third motor (30) is rotatably connected to the rear side of the test cavity (12), a mounting seat (32) sliding left and right is threadedly connected to the third lead screw (31), and a heat dissipation fan (33) is installed on the front side of the mounting seat (32).

7. A device for testing the abrasion resistance of a polyester aluminized film at high temperatures according to claim 1, characterized in that: A plurality of heat dissipation holes (34) are vertically and longitudinally formed in the upper side wall of the test cavity (12).

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