Release film pulling resistance detection device

Abstract

The invention relates to the technical field of release film detection, and discloses a release film pulling resistance detection device which comprises a detection machine, a control panel is installed on the surface of the detection machine, a stretching table is installed at the top of the detection machine, and a driving motor is installed at the top of the stretching table. The fixed plate is used for supporting, the fixed frame is arranged on the outer side of the fixed plate, the telescopic air cylinder is started to push the movable plate to move linearly, the movable plate penetrates through the fixed plate to guarantee stable movement, the sliding blocks move along with the movable plate and drive the wrinkle removing block to abut against the surface of the release film, and the telescopic plate can adjust the position relation between the sliding blocks. When the abutting plate slides, the sliding block and the wrinkle removing block are driven to slide towards the two sides to remove wrinkles, so that wrinkles generated or aggravated due to uneven stress of the release film can be prevented, edge tearing deformation is avoided, detection accuracy is guaranteed, the integrity of the release film is protected, and detection data truly reflect the material performance.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of release film detection, in particular to a release film anti-pulling detection device. BACKGROUND

[0002] In modern industrial production, release film as an important functional material is widely used in electronic, packaging, printing and many other fields. For example, in the electronic industry, release film is often used to protect precision components such as liquid crystal display screens and semiconductor chips, preventing them from being contaminated or damaged during processing and transportation; in the packaging field, release film can be used as a separation layer to facilitate the separation and retrieval of goods. With the continuous improvement of product quality requirements in various industries, the performance of release film directly affects the quality and use effect of the final product, so it is particularly important to accurately detect the various performance indicators of release film, and the anti-pulling performance is one of the key indicators for measuring the quality of release film.

[0003] Traditional release film anti-pulling detection devices often focus on the determination of the tensile strength of release film, and stretch the release film through a stretching machine. The stretching machine is a machine or structural component static or dynamic balance testing machine, which is used to stretch and record the tensile force value and other related data when it breaks. However, in the actual detection process, there are many problems. During production, storage and installation to the detection device, wrinkles are inevitably produced. These wrinkles will cause uneven stress and local stress concentration of release film during stretching detection, so that the detection result cannot truly and accurately reflect the anti-pulling performance of release film itself, and false judgment may occur, affecting the evaluation of release film quality and reducing the detection accuracy and release film integrity. SUMMARY

[0004] (I) Technical problems solved In view of the shortcomings of the prior art, the present application provides a release film anti-pulling detection device, which solves the problem that the traditional detection device lacks wrinkle removal function, resulting in uneven stress and local stress concentration of release film during stretching detection due to surface wrinkles.

[0005] (II) Technical solutions To achieve the above objectives, the present invention provides the following technical solution: a release film tensile strength testing device, comprising a testing machine, a control panel mounted on the surface of the testing machine, a stretching table mounted on the top of the testing machine, a drive motor mounted on the top of the stretching table, a threaded rod mounted on the bottom of the output shaft of the drive motor, the threaded rod being rotatably connected to the inner side of the stretching table, a stretching block being threadedly connected to the surface of the threaded rod, and the stretching block being slidably connected to the inner side of the stretching table; further comprising a movable component for wrinkle removal on the surface of the stretched release film; a fixed component for limiting the wrinkle removal force of the release film; and a moving component for adjusting the surface of the release film during stretching. The moving component includes: a fixed plate mounted on the surface of a stretching table; a fixed frame mounted on the outside of the fixed plate; a telescopic cylinder mounted on the outside of the fixed frame; a moving plate mounted on the surface of the telescopic cylinder; the moving plate penetrating the fixed plate; a slider slidably connected to the top of the moving plate; a wrinkle-removing block slidably connected inside the slider; a telescopic plate mounted on the top of the slider; a sliding block mounted on the outside of the telescopic plate; a sliding block slidably connected to the top of the fixed plate; a trigger block mounted on the outside of the sliding block; the trigger block having a rectangular cross-section; and an abutment plate mounted on the surface of the telescopic cylinder having an L-shaped cross-section.

[0006] Preferably, a fixed spring is installed on the inner side of the sliding block, and a movable spring is installed on the inner side of the wrinkle-removing block, with the movable spring installed inside the slider.

[0007] Preferably, the fixing component includes: a toothed plate, which is mounted on top of the wrinkle-removing block; a short plate is mounted on top of the slider; an insert plate is rotatably connected to the inner side of the short plate; an insert strip is mounted on the bottom of the insert plate; the insert strip has a triangular cross-section and is inserted into the top of the toothed plate.

[0008] Preferably, a spiral spring is installed on the outer side of the insert plate, and the spiral spring is installed on the inner side of the short plate.

[0009] Preferably, the moving component includes: a connecting rod, the connecting rod being mounted on the outside of the contact plate, a rack being mounted on the bottom of the connecting rod, a gear being engaged at the bottom of the rack, and the gear being rotatably connected to the outside of the fixed plate.

[0010] Preferably, a movable rod is installed on the inner side of the gear, and an abutment shaft is rotatably connected to the inner side of the movable rod.

[0011] Preferably, the active components are provided in two sets, and both sets of active components are symmetrically arranged with the center line of the stretching table as the axis of symmetry.

[0012] Preferably, there are two movable rods and abutment shafts, and the two movable rods and abutment shafts are positioned opposite each other.

[0013] Preferably, the stretching block bottom is provided with a double-shaft air cylinder I, the double-shaft air cylinder I outer side is provided with a clamping plate, the detection machine top is provided with a supporting block, the supporting block surface is provided with a material shaft, the supporting block top is provided with a double-shaft air cylinder II, the double-shaft air cylinder II outer side is provided with a clamping block, the clamping block surface is provided with a clamping shaft, and the clamping shaft is slidably connected to the surface of the supporting block.

[0014] (Three) beneficial effects Compared with the prior art, the present application provides a release film anti-pulling detection device, which has the following beneficial effects: 1. The release film anti-pulling detection device uses the setting of the movable assembly, the fixed plate as support, the fixed frame is installed on the outer side, the telescopic cylinder starts to push the moving plate to move linearly, the moving plate penetrates the fixed plate to ensure stable movement, the sliding block moves with the moving plate, and the wrinkle removing block is driven to resist the surface of the release film, the telescopic plate can adjust the position relationship between the sliding block and the sliding block, the trigger block of the sliding block and the resisting plate cooperate, and the resisting plate slides to drive the sliding block and the wrinkle removing block to slide to the two sides to remove wrinkles, which can prevent the release film from generating or intensifying wrinkles due to uneven stress, avoid edge tearing and deformation, ensure accurate detection, protect the integrity of the release film, and make the detection data truly reflect the material performance.

[0015] 2. The release film anti-pulling detection device uses the setting of the fixed assembly, and the fixed assembly is used to limit the wrinkle removing force of the release film. When the movable assembly works, the toothed plate is installed on the top of the wrinkle removing block, the sliding block top short plate inner side is connected with the insert plate, the insert plate bottom has an insert strip, the insert strip is inserted into the top of the toothed plate under the action of the volute spring in normal times, the wrinkle removing block moves to a certain extent, the toothed plate resists the insert strip to make the insert plate swing up, the insert plate resets to the accurate position, the insert strip reinserts the tooth slot to limit the reverse movement of the wrinkle removing block, and the wrinkle removing precision is controlled. In this way, the performance of the release film can be avoided from being affected or damaged due to excessive force, excessive stress can be prevented, quality can be ensured, detection reliability can be improved, and service life can be prolonged.

[0016] 3. The release film anti-pulling detection device uses the setting of the moving assembly, and the moving assembly is used to ensure the stability of the release film during stretching. It is associated with the resisting plate of the movable assembly. The resisting plate outer side connecting rod moves with the resisting plate, the bottom rack moves synchronously, the rack is meshed with the fixed plate outer side gear, the driving gear rotates, the two movable rods and the resisting shaft inside the gear are opposite in position, and when rotating, the movable rod drives the resisting shaft to resist the surface of the release film from different directions, ensuring that the wrinkle removing increases the tightness of the film surface, allowing the release film to remain flat and cooperate with the wrinkle removing operation, improving the uniformity and completeness of the wrinkle removing effect, and assisting the smooth progress of the entire detection process. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A front view structural schematic diagram of a release film anti-pulling detection device is provided. Figure 2A side view structure schematic diagram of a tensile detection device for a release film is provided in the present application; Figure 3 A front view structure schematic diagram of a movable assembly of a tensile detection device for a release film is provided in the present application; Figure 4 A schematic diagram of the inner side structure of a sliding block of a tensile detection device for a release film is provided in the present application; Figure 5 A schematic diagram of the cross-sectional structure of a sliding block of a tensile detection device for a release film is provided in the present application; Figure 6 A front view structure schematic diagram of a fixed assembly of a tensile detection device for a release film is provided in the present application; Figure 7 A front view structure schematic diagram of a movable assembly of a tensile detection device for a release film is provided in the present application.

[0018] In the figure: 1, detection machine; 2, control panel; 3, stretching table; 4, driving motor; 5, threaded rod; 6, stretching block; 7, movable assembly; 71, fixed plate; 72, fixed frame; 73, telescopic air cylinder; 74, moving plate; 75, sliding block; 76, wrinkle removal block; 77, telescopic plate; 78, sliding block; 79, trigger block; 710, abutting plate; 711, fixed spring; 712, movable spring; 8, fixed assembly; 81, toothed plate; 82, short plate; 83, insertion plate; 84, insertion strip; 85, volute spring; 9, movable assembly; 91, connecting rod; 92, rack; 93, gear; 94, movable rod; 95, abutting shaft; 10, double-shaft air cylinder one; 11, clamping plate; 12, supporting block; 13, material shaft; 14, double-shaft air cylinder two; 15, clamping block; 16, clamping shaft. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part 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.

[0020] Please refer to Figures 1-7 As shown in the figure, a tensile detection device for a release film includes a detection machine 1, the surface of the detection machine 1 is provided with a control panel 2, the top of the detection machine 1 is provided with a stretching table 3, the top of the stretching table 3 is provided with a driving motor 4, the output shaft of the driving motor 4 is provided with a threaded rod 5, the threaded rod 5 is rotationally connected to the inner side of the stretching table 3, the surface of the threaded rod 5 is provided with a stretching block 6, and the stretching block 6 is slidingly connected to the inner side of the stretching table 3; The device further includes a movable assembly 7 for removing wrinkles on the surface of the stretched release film. Fixing component 8 is used to limit the force of wrinkle removal by the release film; The moving component 9 is used to abut against the surface of the release film during stretching; First, the active component 7 includes: a fixed plate 71, which is mounted on the surface of the stretching table 3; a fixed frame 72 is mounted on the outside of the fixed plate 71; a telescopic cylinder 73 is mounted on the outside of the fixed frame 72; a movable plate 74 is mounted on the surface of the telescopic cylinder 73; the movable plate 74 passes through the fixed plate 71; a slider 75 is slidably connected to the top of the movable plate 74; a wrinkle-removing block 76 is slidably connected inside the slider 75; a telescopic plate 77 is mounted on the top of the slider 75; a sliding block 78 is mounted on the outside of the telescopic plate 77; the sliding block 78 is slidably connected to the top of the fixed plate 71; a trigger block 79 is mounted on the outside of the sliding block 78; the trigger block 79 has a rectangular cross-section; and an abutment plate 710 is mounted on the surface of the telescopic cylinder 73; the abutment plate 710 has an L-shaped cross-section. The L-shaped abutment plate 710 and the rectangular trigger block 79 can enhance the abutment effect of the abutment plate 710 on the trigger block 79.

[0021] Secondly, a fixed spring 711 is installed on the inner side of the sliding block 78, and a movable spring 712 is installed on the inner side of the wrinkle-removing block 76. The movable spring 712 is installed inside the slider 75. Through the fixed spring 711 installed on the inner side of the sliding block 78, the fixed spring 711 can play a role in buffering and assisting in resetting during the movement of the slider 75 and subsequent interaction with other components. The movable spring 712 is installed on the inner side of the wrinkle-removing block 76. The movable spring 712 is installed inside the slider 75. When the wrinkle-removing block 76 contacts the release film surface, the movable spring 712 can adaptively adjust the pressure of the wrinkle-removing block 76 on the release film according to the unevenness of the release film surface, so that the wrinkle-removing block 76 can closely adhere to the release film for wrinkle removal without damaging the release film due to excessive pressure.

[0022] Furthermore, the fixing component 8 includes: a toothed plate 81, which is installed on the top of the wrinkle-removing block 76; a short plate 82 is installed on the top of the slider 75; an insert plate 83 is rotatably connected to the inner side of the short plate 82; and an insert strip 84 is installed at the bottom of the insert plate 83. The insert strip 84 has a triangular cross-section and is inserted into the top of the toothed plate 81. The triangular insert strip 84 can restrict the reverse sliding of the toothed plate 81 by utilizing the vertical surface of the triangle when the insert strip 84 is inserted into the top of the toothed plate 81.

[0023] Furthermore, a spiral spring 85 is installed on the outside of the insert plate 83. The spiral spring 85 is installed on the inside of the short plate 82. The spiral spring 85 on the outside of the insert plate 83 can achieve the effect of resetting when the insert plate 83 swings upward.

[0024] Finally, the moving assembly 9 comprises a connecting rod 91 installed on the outer side of the resisting plate 710, a rack 92 installed at the bottom of the connecting rod 91, a gear 93 engaged with the bottom of the rack 92, the gear 93 being rotatably connected to the outer side of the fixed plate 71, a movable rod 94 installed on the inner side of the gear 93, a resisting shaft 95 rotatably connected to the inner side of the movable rod 94, the movable assembly 7 being provided with two groups, and the two groups of movable assemblies 7 being symmetrically arranged with the center line of the stretching table 3 as the axis of symmetry, the movable rod 94 and the resisting shaft 95 being provided with two, and the two movable rods 94 and the resisting shaft 95 being oppositely arranged, the two opposite movable rods 94 and the resisting shaft 95 can be used to resist the stretching of the release film from different directions, and the resisting shaft 95 can be used to resist the stretching of the release film from different directions, and the stretching of the release film from different directions can be ensured. The film surface is resisted during the wrinkle removal process to increase the tightness of the film surface, the stretching block 6 is provided with a double-shaft air cylinder one 10 at the bottom, the double-shaft air cylinder one 10 is provided with a clamping plate 11 on the outer side, the top of the detection machine 1 is provided with a supporting block 12, the surface of the supporting block 12 is provided with a material shaft 13, the top of the supporting block 12 is provided with a double-shaft air cylinder two 14, the double-shaft air cylinder two 14 is provided with a clamping block 15 on the outer side, the surface of the clamping block 15 is provided with a clamping shaft 16, and the clamping shaft 16 is slidably connected to the surface of the supporting block 12.

[0025] In summary, the release film anti-pulling detection device in use, first, the release film roll is placed in the detection machine 1 top of the block 12 installed on the material shaft 13, the release film roll can rotate freely around the material shaft 13, convenient subsequent lead out release film, then, start the double shaft cylinder two 14 of the block 12 top, double shaft cylinder two 14 elongation, drive the outside installation of the clamp block 15 to the direction of close to the material shaft 13 movement, the clamp block 15 surface clamp shaft 16 will cooperate with the material shaft 13, tightly clamp the starting end of the release film, so that the release film one end can be fixed in the vicinity of the material shaft 13, then, the other end of the release film is pulled to the stretching block 6, through the stretching block 6 bottom installation of double shaft cylinder one 10 work, double shaft cylinder one 10 push the outside of the clamping plate 11 relative movement, put the release film between the clamping plate 11 firmly, thus, the two ends of the release film are fixed, for the subsequent stretching detection ready, the operator through the detection machine 1 surface installation of control panel 2 start drive motor 4, drive motor 4 start operation, its output shaft drive screw rod 5 rotation. Because the screw rod 5 rotation connection in the inside of the stretching platform 3, and the stretching block 6 and screw rod 5 is screw connection relationship, at the same time stretching block 6 is also sliding connection in the inside of the stretching platform 3, so in the screw rod 5 rotation, according to the screw transmission principle, stretching block 6 will along the inside of the stretching platform 3 do linear sliding.With the movement of the stretching block 6, the release film fixed by it and the clamp shaft 16 will be gradually stretched, and in this process, the detection machine 1 can monitor the tensile force and other related data borne by the release film in real time to detect the tensile performance of the release film. At the same time of stretching the release film, the movable assembly 7 starts to play a role in wrinkle removal. The movable assembly 7 is provided in two groups and is symmetrically arranged with the center line of the stretching table 3 as the symmetry axis to ensure uniform action on both sides of the release film. In each group of movable assemblies 7, the fixed plate 71 installed on the surface of the stretching table 3 serves as the basic support structure, and the fixed frame 72 is installed outside the fixed plate 71. After the extension cylinder 73 installed thereon is started, it will push the moving plate 74 connected thereto to move linearly. The moving plate 74 penetrates through the fixed plate 71 to ensure the stability and directionality of its movement. The sliding block 75 slidingly connected to the top of the moving plate 74 will move together with the moving plate 74. The wrinkle removal block 76 slidingly connected inside the sliding block 75 will be driven by the sliding block 75 to approach and abut against the surface of the release film. The extension plate 77 installed on the top of the sliding block 75 can adjust the relative position relationship between the sliding block 75 and the sliding block 78 slidingly connected to the top of the fixed plate 71 to a certain extent. The sliding block 78 slides along the top of the fixed plate 71, and the trigger block 79 installed on the outside of the sliding block 78 will cooperate with the L-shaped abutting plate 710 installed on the surface of the extension cylinder 73. When the abutting plate 710 is started under the action of the extension cylinder 73, it will also drive the sliding of the abutting plate 710. When the abutting plate 710 slides, it will abut against the inside of the trigger block 79 and drive the sliding block 78 and the wrinkle removal block 76 arranged at the bottom to slide to both sides to achieve the purpose of removing the wrinkles on the surface of the release film. This prevents the release film from producing new wrinkles or aggravating the original wrinkles due to uneven local stress during the stretching process, and avoids tearing or deformation of the edge of the release film due to the concentration of stretching tension. By removing the wrinkles, the release film can be ensured to bear uniform stress during the stretching process, the abnormal local stress caused by the wrinkles can be avoided, the tensile data obtained by detection can more truly reflect the performance of the material itself, the detection accuracy can be ensured, and the integrity of the release film can be protected.

[0026] The fixed assembly 8 is mainly used for limiting the force of wrinkle removal of the release film. When the movable assembly 7 works, the toothed plate 81 in the structure of the fixed assembly 8 is installed on the top of the wrinkle removal block 76, the plug plate 83 is rotatably connected to the inner side of the short plate 82 installed on the top of the sliding block 75, the plug strip 84 with a triangular cross section is installed at the bottom of the plug plate 83, under normal circumstances, the plug strip 84 will be inserted into the top of the toothed plate 81 under the action of the volute spring 85 installed on the outer side of the plug plate 83, when the wrinkle removal block 76 moves to a certain extent during the wrinkle removal process of the release film, the sliding of the wrinkle removal block 76 will first drive the toothed plate 81 to slide, the toothed plate 81 will resist the plug strip 84, so that the plug strip 84 drives the plug plate 83 to swing upward, when the wrinkle removal block 76 is adjusted to the accurate position during the wrinkle removal process of the release film, the plug plate 83 at the top of the plug strip 84 will reset under the action of the volute spring 85, so that the plug strip 84 is reinserted into the corresponding tooth groove of the toothed plate 81, the reverse movement of the wrinkle removal block 76 is limited, and thus the wrinkle removal precision of the wrinkle removal block 76 to the release film is controlled, the performance of the release film is prevented from being affected or the release film is prevented from being damaged due to excessive force, the release film is prevented from being excessively stressed during the wrinkle removal, the quality of the release film is ensured, the detection reliability is improved, and the service life of the release film is prolonged.

[0027] The moving assembly 9 is used for resisting the surface of the release film during stretching, so as to ensure the stability of the release film during the stretching process. The moving assembly 9 is associated with the resisting plate 710 in the movable assembly 7. Specifically, the connecting rod 91 installed on the outer side of the resisting plate 710 will move with the movement of the resisting plate 710, the rack 92 installed at the bottom of the connecting rod 91 also moves synchronously, the rack 92 is engaged with the gear 93 rotatably connected to the outer side of the fixed plate 71, when the rack 92 moves, the gear 93 rotates, the movable rod 94 is installed on the inner side of the gear 93, the resisting shaft 95 is rotatably connected to the inner side of the movable rod 94, and the movable rod 94 and the resisting shaft 95 are provided with two, and the two movable rods 94 and the resisting shaft 95 are oppositely arranged. When the gear 93 rotates, the two movable rods 94 drive the resisting shaft 95 to resist the surface of the release film in different directions respectively, so as to ensure that the tightness of the film surface is increased during the wrinkle removal process, the release film is kept in a flat state to cooperate with the wrinkle removal operation, and the uniformity and completeness of the wrinkle removal effect are improved.

[0028] It is to be noted that, as used in this specification and the appended claims, the singular forms "a," "an" and "the" include plural referents unless the context clearly dictates otherwise. Thus, for example, reference to "a component" can include a combination of two or more components. Similarly, the terms "one" and "the" do not exclude the presence of more than one item, unless the context clearly indicates otherwise. Further, the terminology "an" and "one" are used in the detailed description and claims only to mean one or more, at least one, or "at least one." Finally, the words "comprise," "comprises," and "comprising" and the like, are to be construed in their broadest, intended, and open ended form to encompass events that would otherwise prevent a process, method, article, or apparatus from being encompassed by the claim.

Claims

1. A release film tensile strength testing device, comprising a testing machine (1), characterized in that: The testing machine (1) is equipped with a control panel (2), and a stretching table (3) is installed on the top of the testing machine. A drive motor (4) is installed on the top of the stretching table (3), and a threaded rod (5) is installed at the bottom of the output shaft of the drive motor (4). The threaded rod (5) is rotatably connected to the inside of the stretching table (3), and a stretching block (6) is threadedly connected to the surface of the threaded rod (5). The stretching block (6) is slidably connected to the inside of the stretching table (3). It also includes an active component (7) for wrinkle removal of the stretched release film surface; Fixing component (8) is used to limit the force of wrinkle removal by the release film; The moving component (9) is used to abut against the surface of the release film during stretching; The active component (7) includes: a fixed plate (71) which is mounted on the surface of the stretching table (3), a fixed frame (72) which is mounted on the outside of the fixed plate (71), a telescopic cylinder (73) which is mounted on the outside of the fixed frame (72), a movable plate (74) which is mounted on the surface of the telescopic cylinder (73), the movable plate (74) which penetrates the fixed plate (71), a slider (75) which is slidably connected to the top of the movable plate (74), a wrinkle-removing block (76) which is slidably connected inside the slider (75), a telescopic plate (77) which is mounted on the top of the slider (75), a sliding block (78) which is mounted on the outside of the telescopic plate (77), the sliding block (78) which is slidably connected to the top of the fixed plate (71), a trigger block (79) which is mounted on the outside of the sliding block (78), the trigger block (79) which has a rectangular cross-section, and an abutment plate (710) which has an L-shaped cross-section on the surface of the telescopic cylinder (73).

2. The release film tensile strength testing device according to claim 1, characterized in that: A fixed spring (711) is installed on the inner side of the sliding block (78), and a movable spring (712) is installed on the inner side of the wrinkle removal block (76). The movable spring (712) is installed inside the slider (75).

3. The release film tensile strength testing device according to claim 1, characterized in that: The fixing component (8) includes: a toothed plate (81) which is mounted on the top of the wrinkle removal block (76), a short plate (82) which is mounted on the top of the slider (75), an insert plate (83) which is rotatably connected to the inside of the short plate (82), and an insert strip (84) which is mounted on the bottom of the insert plate (83). The insert strip (84) has a triangular cross section and is inserted into the top of the toothed plate (81).

4. The release film tensile strength testing device according to claim 3, characterized in that: A spiral spring (85) is installed on the outside of the insert plate (83), and the spiral spring (85) is installed on the inside of the short plate (82).

5. The release film tensile strength testing device according to claim 1, characterized in that: The moving component (9) includes: a connecting rod (91) which is mounted on the outside of the contact plate (710), a rack (92) which is mounted on the bottom of the connecting rod (91), a gear (93) which meshes with the bottom of the rack (92), and the gear (93) which is rotatably connected to the outside of the fixed plate (71).

6. The release film tensile strength testing device according to claim 5, characterized in that: A movable rod (94) is installed inside the gear (93), and an abutment shaft (95) is rotatably connected to the inside of the movable rod (94).

7. The release film tensile strength testing device according to claim 1, characterized in that: The active components (7) are provided in two sets, and both sets of active components (7) are symmetrically arranged with the center line of the stretching table (3) as the axis of symmetry.

8. The release film tensile strength testing device according to claim 6, characterized in that: There are two movable rods (94) and abutment shafts (95), and the two movable rods (94) and abutment shafts (95) are positioned opposite each other.

9. The release film tensile strength testing device according to claim 1, characterized in that: The bottom of the stretching block (6) is equipped with a dual-axis cylinder one (10), and a clamping plate (11) is installed on the outside of the dual-axis cylinder one (10). The top of the testing machine (1) is equipped with a support block (12), and a material shaft (13) is installed on the surface of the support block (12). The top of the support block (12) is equipped with a dual-axis cylinder two (14), and a clamping block (15) is installed on the outside of the dual-axis cylinder two (14). A clamping shaft (16) is installed on the surface of the clamping block (15), and the clamping shaft (16) is slidably connected to the surface of the support block (12).

Images