CN216978717U - From type membrane viscosity test fixture - Google Patents

Abstract

The utility model relates to the technical field of test jigs, and particularly discloses a release film viscosity test jig which comprises a first bearing assembly and an adsorption assembly. The first bearing assembly is used for fixing a part to be tested of the roll film; first carrier assembly has charge position and test position for adsorption component, and when first carrier assembly was in charge position department for adsorption component, the coil stock membrane can be laid and be fixed in on the first carrier assembly, and adsorption component includes mounting bracket and adsorption part, and the adsorption part slides along the direction of perpendicular to coil stock membrane and locates the mounting bracket, and when first carrier assembly was in test position department for adsorption component, the adsorption part can adsorb the epaxial type membrane of leaving of coil stock and slide along the direction that deviates from the coil stock membrane. The device can simulate the action of sucking the release film from the roll film by the suction head in an automatic production line, and can accurately test the viscosity between the release film and the roll film.

Description

From type membrane viscosity test fixture

Technical Field

The utility model relates to the technical field of test jigs, in particular to a release film viscosity test jig.

Background

In the assembly process of spare part in the 3C consumer electronics industry, especially in the assembly process of cell-phone back cover, can paste the type membrane. The current process is an automatic production line, which sucks a release film from a coil material to a preset position of a product through a suction head of a machine. The automatic production line improves the production efficiency, but the fault tolerance rate is also greatly reduced. Therefore, higher requirements are put forward on the production of the release film, and the viscosity between the release film and the coil stock needs to be tested so as to ensure that the release film can be efficiently and accurately adsorbed in the automatic production process.

Therefore, it is highly desirable to develop a viscosity test tool between release film and web.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a release film viscosity testing jig which simulates the action of a suction head in the automatic production process and quickly detects the viscosity between a release film and a coil material film.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a viscosity test fixture for a release film, which comprises:

the first bearing assembly is used for fixing a part to be tested of the roll material film;

The first bearing component is provided with a loading position and a testing position, the first bearing component is located at the loading position, the coiled material film can be laid and fixed on the first bearing component, the adsorption component comprises a mounting frame and an adsorption piece, the adsorption piece is arranged on the mounting frame in a sliding mode in the direction perpendicular to the coiled material film, and the adsorption piece can adsorb the release film on the coiled material film and slide in the direction deviating from the coiled material film when the first bearing component is located at the testing position.

Preferably, the release film viscosity test fixture comprises a base, the first bearing assembly comprises a first loading plate, the first loading plate is slidably arranged on the base, and the roll material film is fixed on the first loading plate.

Preferably, the first bearing assembly further comprises a first pressing plate, and the first pressing plate is rotatably arranged on the first loading plate and used for pressing and fixing the roll material film on the first loading plate.

Preferably, the first bearing assembly further includes a limiting plate and a vertical plate, the limiting plate is fixed relative to the base, the vertical plate is slidably disposed on the base, the first loading plate is fixedly disposed on the vertical plate, the limiting plate includes a limiting portion, and when the first loading plate is close to the adsorbing member, the vertical plate abuts against the limiting portion.

Preferably, at least one of the vertical plate and the limiting part is provided with a magnetic part, and the vertical plate is connected with the limiting part through the magnetic part when abutting against the limiting part;

the limiting plate further comprises a braking portion, the braking portion is located on one side of the vertical plate, at least one of the vertical plate and the braking portion is provided with the magnetic piece, and the vertical plate and the sliding block of the vertical plate are connected with the sliding rail on the base in an abutting mode through the driving of the adsorption force between the braking portions.

Preferably, the adsorption assembly further comprises a plurality of connecting plates, the connecting plates are slidably arranged on the mounting rack, and the adsorption force of the adsorption members communicated with gas with preset inspiration intensity is different; one of the adsorption pieces is detachably arranged on the connecting plate.

Preferably, the adsorption component further comprises a driving component, one of the mounting rack and the connecting plate is connected to the fixed end of the driving component, the other of the mounting rack and the connecting plate is connected to the output end of the driving component, and the driving component can drive the connecting plate to slide in the direction perpendicular to the material rolling film.

Preferably, drive assembly includes axis of rotation and cam, the connecting plate is equipped with the mounting hole, the mounting bracket is equipped with extending direction and is on a parallel with the butt joint groove of roll material membrane, the one end of axis of rotation is passed behind the mounting hole with the cam is connected, the cam is located the butt joint inslot, the axis of rotation drives when the cam rotates, can drive the connecting plate is kept away from or is close to roll material membrane.

Preferably, the device also comprises a second bearing assembly, wherein the second bearing assembly is used for fixing one end of the roll material film; when the first bearing assembly moves relative to the adsorption assembly from the loading position to the testing position, the first bearing assembly gradually gets away from the second bearing assembly.

Preferably, the second bearing assembly includes a second loading plate and a second pressing plate, the second loading plate is fixed relative to the base, and the second pressing plate is rotatably disposed on the second loading plate and used for pressing and fixing the roll material film on the second loading plate.

Preferably, the release film viscosity test fixture further comprises a receiving assembly, the receiving assembly comprises a first rotating shaft, the first rotating shaft is rotatably arranged on the base, and the first rotating shaft is sleeved with the hollow reel on which the rolling film is wound.

Preferably, the containing assembly further comprises a ratchet wheel and a pawl, when the first rotating shaft rotates in the forward direction, the hollow winding shaft is driven to rotate, the coiled material film is coiled, the ratchet wheel is fixedly arranged on the first rotating shaft, one end of the pawl is rotatably arranged on the base, the other end of the pawl can be matched with the ratchet wheel, and the pawl can prevent the ratchet wheel from rotating in the reverse direction.

The beneficial effects of the utility model are as follows:

the utility model provides a release film viscosity test fixture, which comprises a first bearing component and an adsorption component, wherein the first bearing component is used for fixing a part to be tested of a coil film; first carrier assembly has position of feeding and test position for adsorption component, and when first carrier assembly was in position of feeding department for adsorption component, the coil stock membrane can be laid and be fixed in on the first carrier assembly, and adsorption component includes mounting bracket and adsorption component, and the direction slip of adsorbing the piece along perpendicular to coil stock membrane locates the mounting bracket, and when first carrier assembly was in test position department for adsorption component, the adsorption component can adsorb on the coil stock membrane from the type membrane and slide along the direction that deviates from the coil stock membrane. The setting can simulate the action of sucking the release film from the roll material film by the sucking head in the automatic production line, can accurately test the viscosity between the release film and the roll material film, and can take the release films of different types off the roll material film by presetting the gas with adsorption strength and the collocation of different adsorption pieces in the automatic production process.

Drawings

FIG. 1 is a schematic structural diagram of a release film viscosity testing fixture (including a roll film) according to an embodiment of the present invention;

FIG. 2 is a first view of a release film viscosity testing fixture according to an embodiment of the present invention;

FIG. 3 is a second perspective view of the release film viscosity testing fixture according to the embodiment of the present invention;

FIG. 4 is a schematic view of a configuration of an adsorption assembly in an embodiment of the present invention;

fig. 5 is a schematic view of a part a of the enlarged structure in fig. 1.

In the figure:

100. rolling a material film;

1. a first load bearing assembly; 11. a first loading plate; 12. a first platen; 13. a hinge; 14. a vertical plate; 15. a limiting plate; 16. a magnetic member;

2. an adsorption component; 21. a mounting frame; 211. a butt joint groove; 22. an adsorbing member; 23. a connecting plate; 24. a fixed block; 25. a drive assembly; 251. a rotating shaft; 252. a cam; 253. fixing a sleeve; 254. a handle; 26. a stop block; 27. a first fixing plate; 28. a second fixing plate;

3. a base;

4. a working support; 41. a grip;

5. a second load bearing assembly; 51. a second loading plate; 52. a second platen; 53. a buffer member;

6. a receiving assembly; 61. a first rotating shaft; 62. a ratchet wheel; 63. a pawl; 64. a second rotating shaft; 65. a third rotating shaft; 66. a swing lever; 67. a handwheel.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Where the terms "first position" and "second position" are two different positions, and where a first feature is "over", "above" and "on" a second feature, the first feature is directly over and obliquely above the second feature, or simply means that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

As shown in fig. 1-2, the present embodiment provides a viscosity testing jig for a release film, which includes a first carrier assembly 1 and an adsorption assembly 2. Wherein, the first bearing component 1 is used for fixing the part to be tested of the roll film 100; first carrier assembly 1 has position of loading and test position for adsorption component 2, when first carrier assembly 1 is in position of loading for adsorption component 2, roll material film 100 can lay and be fixed in on first carrier assembly 1, adsorption component 2 includes mounting bracket 21 and adsorption part 22, adsorption part 22 slides along the direction of perpendicular to roll material film 100 and locates mounting bracket 21, when first carrier assembly 1 is in test position department for adsorption component 2, adsorption part 22 can adsorb the type film on the roll material film 100 and slide along the direction that deviates from roll material film 100. The setting can simulate the action of sucking the release film from the roll material film 100 by the suction head in the automatic production line, can accurately test the viscosity between the release film and the roll material film 100, and can successfully take off the release films of different types from the roll material film 100 by presetting the matching of gas with adsorption strength and different adsorption pieces 22 in the automatic production process.

Regarding the structure of the first carrier assembly 1, in this embodiment, optionally, the release film viscosity test fixture includes a base 3, the first carrier assembly 1 includes a first loading plate 11, the first loading plate 11 is slidably disposed on the base 3, and the roll film 100 is fixed on the first loading plate 11. This arrangement enables relative movement of the first carrier assembly 1 and the adsorbent assembly 2. In other embodiments, the first loading plate 11 may be fixed to the base 3, and the adsorption assembly 2 slides relative to the base 3.

In order to facilitate compressing the roll film 100, in this embodiment, it is preferable that the first carrier assembly 1 further includes a first pressing plate 12, and the first pressing plate 12 is rotatably disposed on the first loading plate 11 for pressing and fixing the roll film 100 on the first loading plate 11. Optionally, the first pressure plate 12 is connected by a hinge 13. The first pressing plates 12 are provided in two, and are oppositely provided to the first loading plate 11, for pressing both side edges of the roll film 100. Each first pressing plate 12 is connected to the first loading plate 11 by two hinges 13.

In this embodiment, optionally, the first bearing assembly 1 further includes a limiting plate 15 and a vertical plate 14, the limiting plate 15 is fixed relative to the base 3, the vertical plate 14 is slidably disposed on the base 3, the first loading plate 11 is fixedly disposed on the vertical plate 14, the limiting plate 15 includes a limiting portion, and when the first loading plate 11 is close to the adsorbing member 22, the vertical plate 14 abuts against the limiting portion. With the above arrangement, the first loading plate 11 can be restricted so that the roll film 100 is in the range of being adsorbed by the adsorbing component 2.

Referring to fig. 3 and 5, further, in order to ensure that the first loading plate 11 is fixed during the adsorption process of the adsorption assembly 2, so as to ensure that the action of sucking the centrifugal film from the roll film 100 by the suction head in the automatic production line is correctly simulated, in this embodiment, preferably, at least one of the vertical plate 14 and the limiting part is provided with a magnetic member 16, and the vertical plate 14 is connected with the limiting part through the magnetic member 16 when abutting against the limiting part. This arrangement ensures that the first loading plate 11 and the stopper are relatively fixed. Optionally, the stopper is provided with a magnetic element 16. Preferably, the spacing portion is provided with the mounting groove, and magnetism spare 16 is located the mounting groove, and the terminal surface of magnetism spare 16 is less than or is flushed the notch terminal surface of mounting groove.

Preferably, the limiting plate 15 further includes a braking portion, the braking portion is located on one side of the vertical plate 14, at least one of the vertical plate 14 and the braking portion is provided with a magnetic member 16, and the slider connected to the vertical plate 14 is driven by the attraction force between the vertical plate 14 and the braking portion to abut against the slide rail on the base 3. The arrangement enables the sliding block and the sliding rail to always keep a friction state, the vertical plate 14 and the braking portion can keep static at any time, and stability and operability of the first loading plate 11 in the testing process are improved. Optionally, the magnetic member 16 is provided at the stopper portion. The magnetic members 16 are disposed at intervals along the extending direction of the slide rail on the side of the braking portion close to the vertical plate 14. Optionally, the braking portion is located below or on the inner side and the outer side of the vertical plate 14, and the matching between the sliding block and the sliding rail needs to be set according to the position of the braking portion, so as to ensure that the sliding block can press the sliding rail.

As shown in fig. 4, optionally, the adsorption assembly 2 further includes a connection plate 23, the connection plate 23 is slidably disposed on the mounting frame 21, a plurality of the adsorption members 22 are provided, and the adsorption forces of the plurality of the adsorption members 22 when the plurality of the adsorption members 22 are communicated with the gas with the preset air suction strength are different; one of the plurality of suction members 22 is detachably provided to the connection plate 23. Different adsorption parts 22 can be selected in the testing process, the adsorption force generated under the action of the gas with preset air suction strength is different, and the adsorption parts 22 which can adsorb the release film and take the release film off from the roll film 100 can be applied to an automatic production line. Optionally, the connecting plate 23 is provided with a sliding block, the mounting frame 21 is provided with a sliding rail, and the connecting plate 23 and the mounting frame 21 are in sliding fit with the sliding rail through the sliding block, preferably, both ends of the sliding rail are provided with stop blocks 26 to prevent the sliding block from separating from the sliding rail. In this embodiment, the gas of the preset suction strength and the gas strength in the production line are kept consistent.

Further, the adsorption component 2 further comprises a first fixing plate 27 and a second fixing plate 28, wherein the first fixing plate 27 is L-shaped and comprises a transverse plate and a vertical plate which are connected with each other, the vertical plate is connected with the connecting plate 23, and the second fixing plate 28 is parallel to the coil film 100 and is connected with the transverse plate. This setting can utilize the connecting plate 23 of vertical state to connect, and the processing of being convenient for. Furthermore, the connecting plate 23 is provided with a plurality of connecting screw holes, the vertical plate is provided with a plurality of fixing holes, the fixing bolts penetrate through the fixing holes and are in threaded connection with the connecting screw holes, and the relative positions between the vertical plate and the connecting plate 23 can be adjusted through the mutual matching of the fixing holes and the connecting screw holes. Still further, the second fixing plate 28 is provided with two rows of second screw holes at intervals along the length direction of the roll film 100, each row is provided with a plurality of second screw holes at intervals along the width direction of the roll film 100, the transverse plate is provided with a bar-shaped hole, the bar-shaped hole extends along the length direction of the roll film 100, and two fastening screws are respectively screwed with two corresponding second screw holes in the two rows after passing through the bar-shaped hole.

In this embodiment, it is preferable that the absorption assembly 2 further includes a driving assembly 25, a mounting frame 21 and a connection plate 23, one of which is connected to a fixed end of the driving assembly 25, and the other of which is connected to an output end of the driving assembly 25, and the driving assembly 25 can drive the connection plate 23 to slide in a direction perpendicular to the web film 100. This arrangement can accurately simulate the suction action of the suction head on the release film from the web film 100 in an automated production line.

Specifically, the driving assembly 25 includes a rotating shaft 251 and a cam 252, the connecting plate 23 is provided with a mounting hole, the mounting frame 21 is provided with a butt joint groove 211 extending in a direction parallel to the roll film 100, one end of the rotating shaft 251 penetrates through the mounting hole and then is connected with the cam 252, the cam 252 is located in the butt joint groove 211, and when the rotating shaft 251 drives the cam 252 to rotate, the connecting plate 23 can be driven to be away from or close to the roll film 100. With the help of the arrangement of the structure, the intermittent motion of the connecting plate 23 can be realized, and the orderly test is ensured. Further, the driving assembly 25 further includes a fixing sleeve 253, and the fixing sleeve 253 is disposed in the mounting hole and sleeved on the rotating shaft 251. Preferably, the fixing sleeve 253 is a bearing.

Preferably, one end of the rotation shaft 251 is provided with a handle 254. This arrangement facilitates the operation of the rotation shaft 251, improving the efficiency of driving the cam 252.

Optionally, the absorption assembly 2 further includes a fixing block 24, the fixing block 24 is fixed to the mounting frame 21, and the abutting groove 211 is formed in the fixing block 24. This arrangement simplifies the design and fabrication process of the mounting bracket 21.

In this embodiment, the release film viscosity testing fixture further includes a second carrier assembly 5, and the second carrier assembly 5 is used for fixing one end of the roll film 100; when the first carrier assembly 1 moves relative to the adsorption assembly 2 from the loading position to the testing position, the first carrier assembly 1 gradually moves away from the second carrier assembly 5. This setting can be when first carrier assembly 1 moves to the test position for adsorption component 2, can keep away from second carrier assembly 5, under this condition, if roll material film 100 is fixed in second carrier assembly 5 earlier, moves first carrier assembly 1, then can spread roll material film 100, then fixes roll material film 100 at first carrier assembly 1 again, is favorable to simulating the state of roll material film 100 in the production process more.

Preferably, the second bearing assembly 5 includes a second loading plate 51 and a second pressing plate 52, the second loading plate 51 is fixed relative to the base 3, and the second pressing plate 52 is rotatably disposed on the second loading plate 51 and is used for pressing and fixing the roll film 100 on the second loading plate 51. Alternatively, the second pressing plate 52 is rotatably provided to the second loading plate 51 by a hinge 13. This arrangement facilitates the fixing of the roll film 100. The second bearing assembly 5 further comprises a support frame, the second loading plate 51 is fixed on the support frame, and the support frame is provided with a buffer member 53 for abutting against the vertical plate 14. Optionally, the buffer 53 is a buffer or a spring.

Optionally, the base 3 is provided on the working support 4, and the second carrier assembly 5 is also provided on the working support 4. Preferably, the working support 4 is provided with a plurality of holding parts 41, which is convenient for transferring the release film viscosity testing jig.

Preferably, the release film viscosity test fixture further comprises a receiving assembly 6, and the receiving assembly 6 is used for winding the roll film 100. This arrangement can prevent the web film 100 from being contaminated during the test.

Regarding the structure of the receiving assembly 6, specifically, the receiving assembly 6 includes a first rotating shaft 61, the first rotating shaft 61 is rotatably disposed on the base 3, and the hollow reel wound with the material film 100 is sleeved on the first rotating shaft 61. The first rotating shaft 61 is provided to facilitate the collection of the roll film 100, and the hollow roll of the roll film 100 can be rotated after the test process to complete the winding of the roll film 100. Optionally, a handwheel 67 is provided at one end of the first rotating shaft 61 to facilitate rotation of the first rotating shaft 61.

Further, the containing assembly 6 further comprises a ratchet 62 and a pawl 63, when the first rotating shaft 61 rotates in the forward direction, the hollow winding shaft is driven to rotate, the winding film 100 is wound up, the ratchet 62 is fixedly arranged on the first rotating shaft 61, one end of the pawl 63 is rotatably arranged on the base 3, the other end of the pawl 63 can be matched with the ratchet 62, and the pawl 63 can prevent the ratchet 62 from rotating in the reverse direction. The arrangement can prevent the first rotating shaft 61 from rotating reversely, so that the roll film 100 is prevented from loosening in the test process.

Optionally, the receiving assembly 6 further includes a second rotating shaft 64, the second rotating shaft 64 is rotatably disposed on the base 3 and located between the first rotating shaft 61 and the second bearing assembly 5, and the roll film 100 is fixed to the first loading plate 11 after winding around the second rotating shaft 64. This arrangement enables the web film 100 to be stretched when the first carrier assembly 1 is moved to the testing position.

Preferably, the receiving assembly 6 further includes a third rotating shaft 65, an axial center of the third rotating shaft 65 is fixed relative to the base 3 and is located between the first rotating shaft 61 and the second rotating shaft 64, a radial lowest point of the third rotating shaft 65 is lower than a radial highest point of the first rotating shaft 61, and the roll film 100 passes through a lower side of the third rotating shaft 65 and bypasses the second rotating shaft 64 after being pulled out from an upper side of the first rotating shaft 61. The third rotating shaft 65 can ensure that the rolling film 100 does not bulge upwards, and then the rolling process is folded.

In the present embodiment, both ends of the third rotating shaft 65 are respectively rotatably connected to one end of the swinging lever 66, and the other end of the swinging lever 66 is hinged to the stopper plate 15. This arrangement allows the third shaft 65 to press the web film 100 all the time, and can tighten the web film 100 between the first carrier assembly 1 and the first shaft 61, thereby avoiding the test from being affected.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (12)

1. The utility model provides a from type membrane viscosity test fixture which characterized in that includes:

a first carrier assembly (1), the first carrier assembly (1) being used for fixing a part to be tested of a roll film (100);

the first bearing assembly (1) is provided with a loading position and a testing position relative to the adsorption assembly (2), when the first bearing assembly (1) is located at the loading position relative to the adsorption assembly (2), the roll material film (100) can be laid and fixed on the first bearing assembly (1), the adsorption assembly (2) comprises a mounting frame (21) and an adsorption piece (22), the adsorption piece (22) is arranged on the mounting frame (21) in a sliding mode along the direction perpendicular to the roll material film (100), when the first bearing assembly (1) is located at the testing position relative to the adsorption assembly (2), the adsorption piece (22) can adsorb the release film on the roll material film (100) and slide along the direction deviating from the roll material film (100).

2. The release film viscosity testing jig according to claim 1, wherein the release film viscosity testing jig comprises a base (3), the first carrier assembly (1) comprises a first loading plate (11), the first loading plate (11) is slidably disposed on the base (3), and the roll film (100) is fixed to the first loading plate (11).

3. The release film viscosity test fixture according to claim 2, wherein the first carrier assembly (1) further comprises a first pressing plate (12), and the first pressing plate (12) is rotatably disposed on the first loading plate (11) and is used for pressing and fixing the roll material film (100) on the first loading plate (11).

4. The release film viscosity test fixture according to claim 2, wherein the first carrier assembly (1) further comprises a limiting plate (15) and a vertical plate (14), the limiting plate (15) is fixed relative to the base (3), the vertical plate (14) is slidably disposed on the base (3), the first loading plate (11) is fixedly disposed on the vertical plate (14), the limiting plate (15) comprises a limiting portion, and when the first loading plate (11) is close to the adsorbing member (22), the vertical plate (14) abuts against the limiting portion.

5. The release film viscosity test fixture according to claim 4, wherein at least one of the upright plate (14) and the limiting portion is provided with a magnetic member (16), and the upright plate (14) is connected to the limiting portion through the magnetic member (16) when abutting against the limiting portion;

limiting plate (15) still includes the braking portion, the braking portion is located one side of riser (14), riser (14) with on the braking portion the two, at least one is equipped with magnetic part (16), riser (14) with the adsorption affinity drive between the braking portion connect in the slider butt of riser (14) in slide rail on base (3).

6. The release film viscosity test fixture according to claim 1, wherein the adsorption assembly (2) further comprises a plurality of connection plates (23), the connection plates (23) are slidably disposed on the mounting frame (21), and the adsorption force of the adsorption members (22) is different when the adsorption members (22) are communicated with a gas with a preset air suction strength; one of the plurality of adsorption pieces (22) is detachably arranged on the connecting plate (23).

7. The release film viscosity test fixture according to claim 6, wherein the adsorption assembly (2) further comprises a driving assembly (25), one of the mounting frame (21) and the connecting plate (23) is connected to a fixed end of the driving assembly (25), and the other is connected to an output end of the driving assembly (25), and the driving assembly (25) can drive the connecting plate (23) to slide along a direction perpendicular to the roll film (100).

8. The release film viscosity test fixture according to claim 7, wherein the driving assembly (25) comprises a rotating shaft (251) and a cam (252), the connecting plate (23) is provided with a mounting hole, the mounting frame (21) is provided with a butt joint groove (211) extending in a direction parallel to the roll film (100), one end of the rotating shaft (251) penetrates through the mounting hole and then is connected with the cam (252), the cam (252) is located in the butt joint groove (211), and when the rotating shaft (251) drives the cam (252) to rotate, the connecting plate (23) can be driven to be far away from or close to the roll film (100).

9. A release film viscosity testing jig according to any one of claims 2 to 5, characterized by further comprising a second carrier assembly (5), wherein the second carrier assembly (5) is used for fixing one end of the roll material film (100); when the first bearing assembly (1) moves relative to the adsorption assembly (2) from the loading position to the testing position, the first bearing assembly (1) is gradually far away from the second bearing assembly (5).

10. The release film viscosity test fixture according to claim 9, wherein the second carrier assembly (5) comprises a second loading plate (51) and a second pressing plate (53), the second loading plate (51) is fixed relative to the base (3), and the second pressing plate (53) is rotatably disposed on the second loading plate (51) for pressing and fixing the roll film (100) on the second loading plate (51).

11. The jig for testing viscosity of release film according to claim 10, further comprising a receiving assembly (6), wherein the receiving assembly (6) comprises a first rotating shaft (61), the first rotating shaft (61) is rotatably disposed on the base (3), and the first rotating shaft (61) is sleeved with a hollow reel wound with the roll film (100).

12. The release film viscosity test fixture according to claim 11, wherein the receiving assembly (6) further comprises a ratchet wheel (62) and a pawl (63), when the first rotating shaft (61) rotates in the forward direction, the hollow reel is driven to rotate so as to roll up the roll film (100), the ratchet wheel (62) is fixedly arranged on the first rotating shaft (61), one end of the pawl (63) is rotatably arranged on the base (3), the other end of the pawl can be matched with the ratchet wheel (62), and the pawl (63) can prevent the ratchet wheel (62) from rotating in the reverse direction.

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