Device for detecting tensile strength of aluminum plastic film

Abstract

The utility model discloses a tensile strength detection device of aluminum plastic film, including fixed shell, heating shell and fixture frame, the top outer wall of fixture frame is fixed with hydraulic rod through bolt, and the inner wall of fixture frame is equipped with square chute and convex chute from top to bottom in proper order, and the inner wall of fixture frame is equipped with fixed plate, and the fixed plate is fixed with the hydraulic rod through the bolt. A pressing plate is arranged at the output end of the hydraulic rod and slidably connected into the square sliding groove, a plurality of extrusion columns are arranged on the outer wall of the bottom of the pressing plate, and the outer walls of the extrusion columns are sleeved with return springs. A hydraulic rod on the clamp frame drives a pressing plate to move, the pressing plate slides in a square sliding groove, the pressing plate is limited, the pressing plate drives an extrusion column to move, the pressing plate extrudes a return spring on a fixing plate, the extrusion column drives an extrusion claw to move, a sliding block on the extrusion claw slides in an inverted-T-shaped sliding groove, and the extrusion claw is limited. And the two extrusion claws drive the rubber pad to extrude the aluminum plastic film.

Description

Technical Field

[0001] The utility model relates to the technical field of aluminum-plastic films, and particularly relates to a tensile strength detection device for aluminum-plastic films. Background Technique

[0002] The aluminum-plastic film is a special packaging material for lithium-ion batteries and is commonly used in soft-pack batteries and blade batteries; it mainly plays the role of protecting internal electrodes and isolating the external environment; the aluminum-plastic film is a high-strength and high-barrier multi-layer composite structure composed of various plastics, aluminum foils and adhesives; it has high barrier properties, good cold stamping formability, puncture resistance, electrolyte resistance stability and insulation.

[0003] For example, a tensile strength detection device for film production and its detection method with the publication number of CN113092274B and the publication date of October 11, 2022. A tensile strength detection device for film production includes a device base, a servo motor, a circular gear, a toothed plate, a mounting plate, a servo motor, a first bidirectional threaded rod and a clamping plate. The servo motor is welded and fixed inside the device base, a circular gear is welded and fixed on the output shaft of the servo motor, the circular gear is meshed with the toothed plate, and the toothed plate is limited and slidably connected to the device base.

[0004] The above-mentioned tensile strength detection device in the prior art slowly pulls a material specimen under the action of an axial force until it breaks; the tensile test is to measure the yield strength, tensile strength and elongation of materials such as low-carbon steel; the staff places the item to be detected on the fixture of the tensile strength detection device, and the fixture firmly clamps and stretches the item to be detected. However, the thickness of the aluminum-plastic film is thinner than that of other items to be detected, and the fixture for clamping the item to be detected cannot clamp the aluminum-plastic film tightly. There are gaps between the mutually meshed fixtures. When clamping and pulling the aluminum-plastic film, the aluminum-plastic film will fall off from the gaps of the fixtures, and the aluminum-plastic film cannot be firmly clamped. Therefore, it is urgent to design a tensile strength detection device for aluminum-plastic films to solve the above problems. Content of the Utility Model

[0005] The purpose of the utility model is to provide a tensile strength detection device for aluminum-plastic films to solve the above-mentioned deficiencies in the prior art.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A tensile strength detection device for an aluminum-plastic film, comprising a fixed outer shell, a heating outer shell and a fixture rack. On the outer wall of the top of the fixture rack, a hydraulic rod is fixed by bolts, and square sliding grooves and convex-character sliding grooves are successively formed in the inner wall of the fixture rack from top to bottom. A fixing plate is arranged on the inner wall of the fixture rack. The output end of the hydraulic rod is provided with a pressing plate, and the pressing plate is slidably connected inside the square sliding groove. A plurality of extrusion columns are arranged on the outer wall of the bottom of the pressing plate, and a return spring is sleeved on the outer wall of the extrusion column. The bottom end of the extrusion column is provided with an extrusion claw, and a rubber pad is arranged on the outer wall of the extrusion claw. Sliders are arranged on the outer walls on both sides of the extrusion claw, and the sliders are slidably connected in the convex-character sliding grooves.

[0008] Further, a rotating motor is fixed by bolts on the outer wall of one side of the fixed outer shell, and a rotating rod is arranged at the output end of the rotating motor.

[0009] Further, a rotating roller is sleeved on the outer wall of the rotating rod, and the outer wall of the rotating roller is connected to the outer wall of the bottom of the fixture rack.

[0010] Further, a ventilation plate, a heating plate and a support frame are successively arranged in the heating outer shell from top to bottom, and a plurality of support columns are arranged on the outer wall of the heating outer shell.

[0011] Further, electric heating tubes are arranged on the outer wall of the top of the heating plate, and the outer wall of the bottom of the heating plate is connected to the outer wall of the top of the support frame.

[0012] Further, a driving motor is fixed by bolts on the outer wall of the bottom of the support frame, and a blowing fan is arranged at the output end of the driving motor.

[0013] Further, the outer wall of the bottom of the fixed outer shell is connected to the outer wall of the top of the heating outer shell, and one end of the rotating rod is connected to the inner wall of the fixed outer shell through a bearing.

[0014] In the above technical solution, a tensile strength detection device for an aluminum-plastic film provided by the present utility model.

[0015] 1. By setting the fixture rack, hydraulic rod, square sliding groove, pressing plate, return spring, extrusion column, extrusion claw, fixing plate, slider, convex-character sliding groove and rubber pad, the hydraulic rod on the fixture rack drives the pressing plate to move, and the pressing plate slides in the square sliding groove, so as to realize the function of limiting the pressing plate. The pressing plate drives the extrusion column to move, the pressing plate presses the return spring on the fixing plate, the extrusion column drives the extrusion claw to move, and the slider on the extrusion claw slides in the convex-character sliding groove, so as to realize the function of limiting the extrusion claw. The two extrusion claws drive the rubber pads to squeeze the aluminum-plastic film, realizing the function of stably clamping the aluminum-plastic film, and avoiding the problem that the aluminum-plastic film detaches from the extrusion claws when the aluminum-plastic film is clamped and stretched.

[0016] 2. By means of the provided heating housing, ventilation plate, heating plate, electric heating tube, support frame, blowing fan and driving motor, the electric heating tube on the heating plate is controlled. The electric heating tube raises the temperature. The driving motor on the support frame drives the blowing fan to rotate. The blowing fan blows air into the heating plate, so as to heat the air. The heated air passes through the ventilation plate to heat the aluminum-plastic film, realizing the function of detecting the tensile strength of the aluminum-plastic film at different temperatures and enriching the functionality of tensile strength detection.

[0017] 3. By means of the provided rotating motor, rotating rod, rotating roller and clamping frame, the rotating motor drives the rotating rod to rotate. The rotating rod drives the rotating roller to rotate. The rotating roller drives the clamping frame to rotate, changing the movement mode of horizontal tensile detection of the aluminum-plastic film to circumferential tensile detection, and reducing the size of the device required for tensile strength detection. Description of the Drawings

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required to be used in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For those of ordinary skill in the art, other drawings can also be obtained according to these drawings.

[0019] Figure 1 It is a three-dimensional structure schematic diagram provided by an embodiment of a tensile strength detection device for an aluminum-plastic film of the present utility model.

[0020] Figure 2 It is a three-dimensional structure schematic diagram of a fixture frame provided by an embodiment of a tensile strength detection device for an aluminum-plastic film of the present utility model.

[0021] Figure 3 It is a three-dimensional exploded structure schematic diagram of a fixture frame provided by an embodiment of a tensile strength detection device for an aluminum-plastic film of the present utility model.

[0022] Figure 4 It is an internal structure exploded schematic diagram of the heating housing provided by an embodiment of a tensile strength detection device for an aluminum-plastic film of the present utility model.

[0023] Description of the Reference Numerals:

[0024] 1. Fixed housing; 2. Heating housing; 3. Rotating roller; 4. Fixture frame; 5. Hydraulic rod; 6. Square sliding groove; 7. Pressing plate; 8. Return spring; 9. Extrusion column; 10. Extrusion claw; 11. Fixed plate; 12. Slide block; 13. Convex character sliding groove; 14. Rubber pad; 15. Rotating motor; 16. Rotating rod; 17. Ventilation plate; 18. Heating plate; 19. Electric heating tube; 20. Support frame; 21. Blowing fan; 22. Driving motor; 23. Support column. Detailed Embodiments

[0025] To enable those skilled in the art to better understand the technical solution of the present utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0026] As Figures 1-4 shown, a tensile strength detection device for an aluminum-plastic film provided by an embodiment of the present utility model includes a fixed outer shell 1, a heating outer shell 2, and a fixture rack 4. A hydraulic rod 5 is fixedly installed on the outer wall at the top of the fixture rack 4 through bolts. Square sliding grooves 6 and convex-character sliding grooves 13 are sequentially formed in the inner wall of the fixture rack 4 from top to bottom. A fixing plate 11 is arranged on the inner wall of the fixture rack 4. The output end of the hydraulic rod 5 is provided with a pressing plate 7, and the pressing plate 7 is slidably connected inside the square sliding groove 6. A plurality of extrusion columns 9 are arranged on the outer wall at the bottom of the pressing plate 7, and a return spring 8 is sleeved on the outer wall of the extrusion column 9. The bottom end of the extrusion column 9 is provided with an extrusion claw 10, and a rubber pad 14 is arranged on the outer wall of the extrusion claw 10. Sliders 12 are arranged on the outer walls on both sides of the extrusion claw 10, and the sliders 12 are slidably connected in the convex-character sliding groove 13.

[0027] A tensile strength detection device for an aluminum-plastic film provided by the present utility model includes a fixed outer shell 1, a heating outer shell 2, and a fixture rack 4. A hydraulic rod 5 is fixedly installed on the outer wall at the top of the fixture rack 4 through bolts. Square sliding grooves 6 and convex-character sliding grooves 13 are sequentially formed in the inner wall of the fixture rack 4 from top to bottom. A fixing plate 11 is arranged on the inner wall of the fixture rack 4. The output end of the hydraulic rod 5 is provided with a pressing plate 7, and the pressing plate 7 is slidably connected inside the square sliding groove 6. A plurality of extrusion columns 9 are arranged on the outer wall at the bottom of the pressing plate 7, and a return spring 8 is sleeved on the outer wall of the extrusion column 9. The bottom end of the extrusion column 9 is provided with an extrusion claw 10, and a rubber pad 14 is arranged on the outer wall of the extrusion claw 10. Sliders 12 are arranged on the outer walls on both sides of the extrusion claw 10, and the sliders 12 are slidably connected in the convex-character sliding groove 13. The fixed outer shell 1 is an irregular cuboid, and fixture racks 4 are arranged on the outer walls on both sides thereof. The fixed outer shell 1 prevents the aluminum-plastic film from breaking during stretching, and the broken aluminum-plastic film endangers the safety of the staff. The heating outer shell 2 is a hollow cuboid, and support columns 23 are arranged on both sides. The hydraulic rod 5 on the fixture rack 4 drives the pressing plate 7 to move. The pressing plate 7 slides inside the square sliding groove 6. The pressing plate 7 drives the extrusion column 9 to move. The extrusion column 9 drives the extrusion claw 10 to move. The sliders 12 on the extrusion claw 10 move in the convex-character sliding groove 13. The extrusion claw 10 drives the rubber pad 14 to move. The rubber pad 14 squeezes the aluminum-plastic film, so that the aluminum-plastic film is tightly clamped.

[0028] By setting: the hydraulic rod 5 on the fixture rack 4 drives the pressure plate 7 to move, and the pressure plate 7 slides in the square chute 6, so as to limit the pressure plate 7. The pressure plate 7 drives the extrusion column 9 to move, the pressure plate 7 squeezes the return spring 8 on the fixed plate 11, the extrusion column 9 drives the extrusion claw 10 to move, and the slider 12 on the extrusion claw 10 slides in the convex character chute 13, so as to limit the extrusion claw 10. The two extrusion claws 10 drive the rubber pad 14 to squeeze the aluminum-plastic film, realizing the function of stably clamping the aluminum-plastic film, and avoiding the problem that the aluminum-plastic film detaches from the extrusion claw 10 when pulling the aluminum-plastic film after clamping it.

[0029] In an embodiment provided by the present utility model, as Figure 1 and Figure 2 shown, a rotating motor 15 is fixed on the outer wall of one side of the fixed housing 1 through bolts, and a rotating rod 16 is arranged at the output end of the rotating motor 15. The rotating motor 15 is a kind of servo motor. One end of the rotating rod 16 is connected to the output end of the rotating motor 15 through a coupling, so that the rotating rod 16 can rotate.

[0030] In another embodiment provided by the present utility model, as Figure 1 and Figure 2 shown, a rotating roller 3 is sleeved on the outer wall of the rotating rod 16, and the outer wall of the rotating roller 3 is connected to the outer wall of the bottom of the fixture rack 4. The rotating roller 3 is sleeved on the rotating rod 16, and the rotating roller 3 drives the fixture rack 4 to rotate. The fixture rack 4 drives the aluminum-plastic film to stretch, avoiding the problem that the size required for moving and stretching strength detection is too large.

[0031] In still another embodiment provided by the present utility model, as Figure 1 and Figure 4 shown, a ventilation plate 17, a heating plate 18 and a support frame 20 are sequentially arranged in the heating housing 2 from top to bottom, and a plurality of support columns 23 are arranged on the outer wall of the heating housing 2. The ventilation plate 17 is a cuboid with a plurality of ventilation holes on its surface. The support columns 23 support the heating housing 2, so that the stretching strength detection is elevated.

[0032] In an embodiment provided by the present utility model, as Figure 4 shown, an electric heating tube 19 is arranged on the outer wall of the top of the heating plate 18, and the outer wall of the bottom of the heating plate 18 is connected to the outer wall of the top of the support frame 20. The electric heating tube 19 is a U-shaped heating tube, its model is KWSU-1015, the specification is 220V / 3KW, and the size is Φ10*150. The electric heating tube 19 raises the temperature of the heating plate 18.

[0033] In another embodiment provided by the present utility model, as Figure 4As shown, a driving motor 22 is fixedly mounted on the outer wall at the bottom of the support frame 20 through bolts, and a blowing fan 21 is provided at the output end of the driving motor 22. The driving motor 22 is a direct drive motor 22. The driving motor 22 drives the blowing fan 21 to rotate, and the blowing fan 21 drives air into the heating housing 2, so that the air exchanges heat with the heating plate 18.

[0034] In another embodiment provided by the present invention, as Figure 1 shown, the outer wall at the bottom of the fixed housing 1 is connected to the outer wall at the top of the heating housing 2, and one end of the rotating rod 16 is connected to the inner wall of the fixed housing 1 through a bearing. The hot air in the heating housing 2 enters the fixed housing 1, and the hot air heats the aluminum-plastic film, realizing the function of detecting the tensile strength of the aluminum-plastic film at different temperatures.

[0035] Working principle: When in use, both ends of the aluminum-plastic film are placed on the fixture racks 4 on both sides. The hydraulic rod 5 is started, and the hydraulic rod 5 drives the pressing plate 7 to move. The pressing plate 7 moves in the square chute 6, realizing the function of limiting the pressing plate 7. The pressing plate 7 drives the extrusion column 9 to move. The pressing plate 7 squeezes the return spring 8 on the fixed plate 11. The extrusion column 9 drives the extrusion claw 10 to move. The extrusion claw 10 drives the slider 12 to move. The slider 12 moves in the convex-character chute 13, realizing the function of limiting the extrusion claw 10. The extrusion claw 10 drives the rubber pad 14 to move. The two rubber pads 14 squeeze the aluminum-plastic film. Due to the action of the hydraulic rod 5, the extrusion claw 10 can firmly clamp the aluminum-plastic film, avoiding the problem that the aluminum-plastic film falls off the fixture when being clamped. The rotating motor 15 is started, and the rotating motor 15 drives the rotating rod 16 to rotate. The rotating rod 16 drives the rotating roller 3 to rotate, and the fixture racks 4 on the rotating roller 3 rotate, realizing the function of detecting the tensile strength of the aluminum-plastic film, converting linear motion into circular motion, and reducing the size required for moving tensile strength detection. When it is necessary to detect the aluminum-plastic film at different temperatures, the driving motor 22 and the electric heating tube 19 are started. The driving motor 22 drives the blowing fan 21 to rotate. The electric heating tube 19 raises the temperature of the heating plate 18. The blowing fan 21 blows air onto the heating plate 18, and the air exchanges heat with the temperature on the heating plate 18. The heated air enters the fixed housing 1 through the ventilation plate 17, realizing the function of heating the aluminum-plastic film, realizing the function of detecting the tensile strength of the aluminum-plastic film at different temperatures, and enriching the functionality of tensile strength detection.

[0036] Only some exemplary embodiments of the present invention have been described by way of illustration above. Without doubt, for those of ordinary skill in the art, the described embodiments can be modified in various different ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of the claims of the present invention.

Claims

1. A tensile strength testing device for an aluminum-plastic film, comprising a fixed housing (1), a heating housing (2) and a fixture frame (4), characterized in that: A hydraulic rod (5) is fixed to the outer wall of the top of the clamp frame (4) by bolts, and the inner wall of the clamp frame (4) is provided with square slide grooves (6) and convex slide grooves (13) from top to bottom in sequence, and a fixing plate (11) is provided on the inner wall of the clamp frame (4), and a pressing plate (7) is provided at the output end of the hydraulic rod (5), and the pressing plate (7) is slidably connected to the inside of the square slide groove (6), and a plurality of extrusion columns (9) are provided on the outer wall of the bottom of the pressing plate (7), and a return spring (8) is sleeved on the outer wall of the extrusion column (9), and an extrusion claw (10) is provided at the bottom end of the extrusion column (9), and a rubber pad (14) is provided on the outer wall of the extrusion claw (10), and slide blocks (12) are provided on the outer walls of both sides of the extrusion claw (10), and the slide blocks (12) are slidably connected to the convex slide grooves (13).

2. The tensile strength detection device of aluminum-plastic film according to claim 1, characterized in that: The interior of the heating shell (2) is provided with a ventilation plate (17), a heating plate (18) and a support frame (20) in sequence from top to bottom, and a plurality of support columns (23) are provided on the outer wall of the heating shell (2).

3. The tensile strength detection device of an aluminum-plastic film according to claim 2, characterized in that: An electric heating tube (19) is provided on the outer wall of the top of the heating plate (18), and the outer wall of the bottom of the heating plate (18) is connected to the outer wall of the top of the support frame (20).

4. The tensile strength detection device of aluminum-plastic film according to claim 3, characterized in that: A driving motor (22) is fixed to the outer wall of the bottom of the support frame (20) by means of bolts, and an air blowing fan (21) is provided at the output end of the driving motor (22).

5. The tensile strength detection device of aluminum-plastic film according to claim 1, characterized in that: A rotating motor (15) is fixed to the outer wall of one side of the fixed housing (1) by means of bolts, and a rotating rod (16) is provided at the output end of the rotating motor (15).

6. The tensile strength detection device of aluminum-plastic film according to claim 5, characterized in that: A rotating roller (3) is sleeved on the outer wall of the rotating rod (16), and the outer wall of the rotating roller (3) is connected to the outer wall of the bottom of the clamp frame (4).

7. The tensile strength detection device of aluminum-plastic film according to claim 6, characterized in that: The outer wall of the bottom of the fixed shell (1) is connected to the outer wall of the top of the heating shell (2), and the inner wall of the fixed shell (1) is connected to one end of the rotating rod (16) via a bearing.

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