Prism film scratch test device and test method

Abstract

The invention discloses a prism film scratch testing device and a prism film scratch testing method, and belongs to the field of prism film testing. The device comprises a positioning rod fixedly arranged on the surface of a machine body, the positioning rod and a clamping rod are symmetrically arranged relative to a steel belt, two positioning blocks sliding oppositely are arranged on the surface of the positioning rod, arc-shaped blocks are fixed to the surfaces of the positioning blocks, and the arc-shaped blocks can make contact with the ends of media on the two sides of a prism film to guide the media to move to specific positions. Limiting rods with clamping assemblies are arranged on the surfaces of the two positioning blocks, horizontal scales are arranged on the surfaces of the limiting rods, it can be guaranteed that the edges of the positioning blocks are parallel to the edge of the steel belt according to the horizontal scales, and meanwhile standard rods are arranged on the surfaces of the limiting rods and the surfaces of the clamping rods. The limiting rod and the clamping rod can clamp the prism film, the placing state of the prism film can be visually known through the standard rod, and the relative position of the steel belt and the prism film can be rapidly judged; and energy and time required by a prism film and a medium placement stage are reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of prism film testing, in particular to a prism film scratch testing device and testing method. BACKGROUND

[0002] The prism film is a key material for improving the brightness of liquid crystal display screen through microstructure optical design; after production, the prism film needs to be tested for friction coefficient by a friction coefficient tester to ensure the stability in subsequent prism film compounding and other processing processes.

[0003] The existing friction coefficient tester generally includes a main machine, a steel belt, a clamp and a weight, the steel belt is slidingly arranged in the main machine, the clamp is arranged on one side of the steel belt for fixing the prism film to be tested, the prism film is fixed by the clamp during testing, and media are placed on both sides of the prism film, the upper surface of the upper media is adhered with foam, and the weight is placed; then the steel belt is caused to slide to drive the media and the weight to slide on the surface of the prism film, after sliding a certain distance (more than 10 cm), the prism film is placed under light to observe whether there are band-shaped scratches or chippings, and the maximum weight in grams when there are no band-shaped scratches or chippings is recorded. However, when the above tester is used for detection, it is not convenient to quickly detect multiple prism films; the prism film needs to be kept horizontal relative to the steel belt during placement, and the media on both sides of the prism film need to be placed within a certain deviation during placement, especially the position of the upper media, the weight needs to be maintained at the center position of the prism film during testing, and more effort is needed to ensure the position of the prism film and the media during placement, which may prolong the testing time to some extent; when multiple prism films are tested, the prism films need to be placed frequently, and the overall detection time is relatively longer.

[0004] In summary, the prism film friction coefficient tester in the prior art relies on manual judgment of the position and parallel state of the prism film and the media relative to the steel belt during placement of the prism film and the media, which requires more effort and takes a long time during placement, and it is difficult to quickly complete the testing of multiple prism films. SUMMARY

[0005] The present application provides a prism film scratch testing device and testing method, which can solve the problem that the prism film friction coefficient tester in the prior art relies on manual judgment of the position and parallel state of the prism film and the media relative to the steel belt during placement of the prism film and the media, which requires more effort and takes a long time during placement, and it is difficult to quickly complete the testing of multiple prism films.

[0006] A prism film scratch testing device, comprising a steel belt slidingly arranged in a machine body, a clamping rod is fixedly connected to the surface of the machine body, a limiting mechanism is arranged between the clamping rod and the machine body, and the limiting mechanism comprises: The positioning rod is fixedly arranged on the surface of the machine body, the positioning rod and the clamping rod are symmetrically arranged relative to the steel belt, two positioning blocks are slidably connected between the positioning rod and the clamping rod, limit rods are slidably connected to the surfaces of the two positioning blocks, clamping assemblies are arranged on the surfaces of the limit rods and the clamping rod, standard rods are fixedly connected to the surfaces of the limit rods and the contact rod, and the opposite surfaces of the two standard rods are in contact with the two ends of the prism film. Arc-shaped blocks are fixedly connected to the surfaces of the positioning blocks, and a synchronous assembly is arranged between the two positioning blocks and the positioning rod.

[0007] Optionally, the positioning block is provided with an open groove, and the open groove is matched with the limit rod.

[0008] Optionally, the clamping assembly comprises a clamping shaft rotatably arranged in the limit rod and the clamping rod, the clamping shaft is in contact with the prism film, drive rods are fixedly connected to the surfaces of the clamping shaft, and a control assembly is arranged between the drive rods and the clamping rod.

[0009] Optionally, the control assembly comprises a control column slidably arranged on the surface of the drive rod, a control shaft is fixedly connected to the surface of the control column, a plurality of control grooves are arranged on the surface of the clamping rod, and the control shaft is matched with the control grooves.

[0010] Optionally, the plurality of control grooves are arranged in an annular array on the surface of the clamping rod, and adjacent control grooves are communicated.

[0011] Optionally, the end of the drive rod in the clamping rod is rotatably connected with a sliding block, the end of the drive rod in the limit rod is rotatably connected with a sliding rod, and the sliding rod is slidably arranged in the sliding block.

[0012] Optionally, a sliding groove is arranged in the sliding block, and the sliding rod is matched with the sliding groove.

[0013] Optionally, the synchronous assembly comprises a synchronous rod rotatably arranged in the positioning rod, and a synchronous belt is fixedly connected between the synchronous rod and the positioning block.

[0014] Optionally, an operating rod is slidably connected in the synchronous rod, a connecting spring is fixedly connected between the operating rod and the synchronous rod, a positioning shaft is fixedly connected to the surface of the operating rod, a plurality of positioning grooves are arranged on the surface of the positioning rod, the positioning grooves are matched with the positioning shaft, and the plurality of positioning grooves are arranged in an annular array around the synchronous rod.

[0015] A testing method of a prism film scratch testing device, comprising the following steps: S1, placing the prism film and the bottom medium, placing the medium directly on the surface of the steel belt, and placing the prism film on one end of the clamping rod surface standard rod; S2, adjust the prism film position, slide the limiting rod, promote the standard rod on the surface of the limiting rod to completely adhere to the other end of the prism film, promote both ends of the prism film to adhere to the standard rod; S3, fix the prism film position; slide the control column, promote the control shaft to be separated from the control groove, and then rotate the drive rod, the rotation of the drive rod drives the clamping shaft to rotate, after the clamping shaft is in contact with the prism film, slide the control column, and make the control column inserted into the inside of the control groove; S4, place the top medium and limit the medium position; place the top medium on the surface of the prism film, then pull the operating rod, promote the positioning shaft to be separated from the positioning groove, then rotate the operating rod, drive the synchronous rod to rotate, promote the synchronous belt to shrink, make the limiting block in contact with the medium, and drive the medium to change position, after both ends of the medium are in complete contact with the two limiting blocks, release the operating rod, the operating rod slides towards the inside of the synchronous rod, promote the positioning groove to be in contact with the positioning shaft, and limit the medium position.

[0016] The application provides a prism film scratch testing device and testing method, including a positioning rod fixedly arranged on the surface of a machine body, the positioning rod and a clamping rod are symmetrically arranged relative to a steel belt, and then the prism film for testing is located in the space between the positioning rod and the clamping rod, the surface of the positioning rod is provided with two positioning blocks sliding towards each other, the surfaces of the positioning blocks are fixedly provided with arc-shaped blocks, the arc-shaped blocks can be in contact with the medium end portions on the two sides of the prism film, thereby guiding the medium to move to a specific position, and the two positioning blocks can move towards each other, so that the whole medium can be symmetrically relative to the prism film, and the weight on the surface of the medium can be prevented from deviating from the specified position in the subsequent testing process; the surfaces of the two positioning blocks are provided with limiting rods with clamping assemblies, the surface of the limiting rod is provided with a horizontal scale, the state of the positioning block can be judged according to the position state of the edge of the positioning block and the horizontal scale, the edge of the positioning block can be parallel to the edge of the steel belt, and the medium can be prevented from moving obliquely relative to the prism film in the testing process; meanwhile, the surfaces of the limiting rod and the clamping rod are provided with standard rods, the limiting rod and the clamping rod can clamp the prism film, the placement state of the prism film can be directly understood through the standard rods, and the relative position of the steel belt and the prism film can be quickly judged; the energy required in the prism film and medium placement stage and the required time are reduced, and the prism film testing time is further shortened. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A prism film scratch testing device structure schematic view is provided in the application. Figure 2 A limiting mechanism three-dimensional structure exploded view is provided in the application. Figure 3 A standard rod three-dimensional structure sectional view is provided in the application. Figure 2 A partial structure enlarged view of A in the application. Figure 4 A standard rod three-dimensional structure sectional view is provided in the application.

[0018] MARKING OF THE DRAWINGS: 1, body; 2, steel belt; 3, clamping rod; 41, positioning rod; 42, positioning block; 43, limiting rod; 44, standard rod; 45, arc block; 51, open slot; 52, sliding block; 53, sliding rod; 54, sliding slot; 61, clamping shaft; 62, drive rod; 63, control column; 64, control shaft; 65, control slot; 71, synchronous rod; 72, synchronous belt; 73, operating rod; 74, connecting spring; 75, positioning shaft; 76, positioning slot. DETAILED DESCRIPTION

[0019] The specific embodiments of the present application are described in detail below, but it should be understood that the protection scope of the present application is not limited by the specific embodiments.

[0020] As Figures 1 to 4 shown, the prism film scratch testing device provided by the embodiment of the present application comprises a steel belt 2 slidingly arranged inside a body 1, It should be noted that the body 1 refers to the body shell of the FPT-F1 friction coefficient tester, which is internally provided with a driving and control structure for controlling the sliding of the steel belt 2 and the sliding distance of the steel belt 2. The body 1 is fixedly connected with a clamping rod 3, and a limiting mechanism is arranged between the clamping rod 3 and the body 1, which comprises: A positioning rod 41 is fixedly arranged on the surface of the body 1, and the positioning rod 41 and the clamping rod 3 are symmetrically arranged relative to the steel belt 2, and two positioning blocks 42 are slidingly connected between the positioning rod 41 and the clamping rod 3, and the two positioning blocks 42 are slidingly connected with a limiting rod 43 on the surface, and the limiting rod 43 and the clamping rod 3 are provided with a clamping assembly for limiting the position of the prism film on the surface; The standard rod 44 is fixedly connected to the surface of the limiting rod 43 and the contact rod, and the opposite surfaces of the two standard rods 44 are in contact with the two ends of the prism film. The arc block 45 is fixedly connected to the surface of the positioning block 42, and the arc block 45 is in contact with the medium; the two positioning blocks 42 and the positioning rod 41 are provided with a synchronous assembly for moving the two positioning blocks 42 towards each other; and the limiting rod 43 is provided with a horizontal scale on the surface. In summary, the prism film scratch testing device and testing method provided by the embodiment of the application includes a positioning rod 41 fixedly arranged on the surface of the machine body 1, the positioning rod 41 and the clamping rod 3 are symmetrically arranged relative to the steel belt 2, and the prism film for testing is located in the space between the two, the surface of the positioning rod 41 is provided with two facing sliding positioning blocks 42, the surface of each positioning block 42 is fixedly provided with an arc-shaped block 45, the arc-shaped block 45 can be in contact with the medium end portions on both sides of the prism film, thereby guiding the medium to move to a specific position, and the two positioning blocks 42 can move towards each other, so that the medium as a whole is symmetrical relative to the prism film, and the weight on the surface of the medium can be ensured not to deviate from the specified position in the subsequent testing process; and the surface of each positioning block 42 is provided with a limiting rod 43 with a clamping assembly, the surface of the limiting rod 43 is provided with a horizontal scale, the state of the positioning block 42 can be determined according to the position state of the edge of the positioning block 42 and the horizontal scale, so that the edge of the positioning block 42 is parallel to the edge of the steel belt 2, and the medium is prevented from moving obliquely relative to the prism film during the testing process; at the same time, the surface of each of the limiting rod 43 and the clamping rod 3 is provided with a standard rod 44, the limiting rod 43 and the clamping rod 3 can clamp the prism film, and the placement state of the prism film can be directly understood through the standard rod 44, so that the relative position of the steel belt 2 and the prism film can be quickly determined; the energy required and the time required during the placement of the prism film and the medium are reduced, and the testing time of the prism film is further shortened. In some specific embodiments, the surface of the positioning block 42 is provided with an open slot 51, the open slot 51 is matched with the limiting rod 43, and the distance between the edge of the open slot 51 away from the positioning rod 41 and the edge of the clamping rod 3 is greater than 10 cm; through the distance limitation of the open slot 51, it is ensured that the sliding path of the medium during the connection test is not too short. In some specific embodiments, the clamping assembly includes a clamping shaft 61 rotatably arranged in the limiting rod 43 and the clamping rod 3, the clamping shaft 61 is in contact with the prism film, the surface of the clamping shaft 61 is fixedly connected with a driving rod 62, and the driving rod 62 is provided between the clamping rod 3 and the clamping shaft 61 and is provided with a control assembly for controlling the rotation of the clamping rod 3. In further embodiments, the control assembly includes a control column 63 slidably arranged on the surface of the driving rod 62, the surface of the control column 63 is fixedly connected with a control shaft 64, the surface of the clamping rod 3 is provided with a plurality of control grooves 65, the control shaft 64 is matched with the control grooves 65, the plurality of control grooves 65 are arranged in an annular array on the surface of the clamping rod 3, and adjacent control grooves 65 are communicated. In further embodiments, the end portion of the driving rod 62 located in the clamping rod 3 is rotatably connected with a sliding block 52, the end portion of the driving rod 62 located in the limiting rod 43 is rotatably connected with a sliding rod 53, the sliding rod 53 is slidably arranged in the sliding block 52, the sliding block 52 is provided with a sliding groove 54 in the inside, and the sliding rod 53 is matched with the sliding groove 54. In some specific embodiments, the synchronizing assembly comprises a synchronizing rod 71 arranged inside the positioning rod 41, and a synchronizing belt 72 is fixedly connected between the synchronizing rod 71 and the positioning block 42; In further embodiments, the synchronizing rod 71 is slidably connected with an operating rod 73, a connecting spring 74 is fixedly connected between the operating rod 73 and the synchronizing rod 71, a positioning shaft 75 is fixedly connected on the surface of the operating rod 73, and a plurality of positioning grooves 76 are arranged on the surface of the positioning rod 41 and are adapted to the positioning shaft 75, and the plurality of positioning grooves 76 are arranged in an annular array around the synchronizing rod 71. In combination Figures 1 to 4 The application also provides a testing method of the prism film scratch testing device, which comprises the following steps: S1, placing the prism film and the bottom medium, placing the medium directly on the surface of the steel belt 2, and then placing the prism film on one end of the surface of the standard rod 44 of the clamping rod 3; S2, adjusting the position of the prism film, sliding the limiting rod 43, so that the standard rod 44 on the surface of the limiting rod 43 is completely attached to the other end of the prism film, and the two ends of the prism film are attached to the standard rod 44; S3, fixing the position of the prism film, sliding the control column 63, so that the control shaft 64 is separated from the control groove 65, then rotating the driving rod 62, the driving rod 62 is rotated to drive the clamping shaft 61 to rotate, after the clamping shaft 61 contacts the prism film, sliding the control column 63, so that the control column 63 is inserted into the inside of the control groove 65; S4, placing the top medium and limiting the position of the medium, placing the top medium on the surface of the prism film, then pulling the operating rod 73, so that the positioning shaft 75 is separated from the positioning groove 76, then rotating the operating rod 73, driving the synchronizing rod 71 to rotate, so that the synchronizing belt 72 is contracted, the limiting block contacts the medium, and the medium changes position, after the two ends of the medium are completely contacted with the two limiting blocks, the operating rod 73 is loosened, the operating rod 73 slides to the inside of the synchronizing rod 71, so that the positioning groove 76 contacts the positioning shaft 75, and the position of the medium is limited.

[0021] The working principle of the application is as follows: Firstly, the prism film and the bottom medium are placed on the surface of the steel belt 2, the medium is directly placed on the surface of the steel belt 2, and one end of the prism film is adhered to the surface of the standard rod 44 of the clamping rod 3; then the limiting rod 43 is slid to make the standard rod 44 on the surface of the limiting rod 43 completely adhere to the other end of the prism film, so that the two ends of the prism film are adhered to the standard rod 44; then the control column 63 is slid to make the control shaft 64 and the control groove 65 disengage, and then the driving rod 62 is rotated, the driving rod 62 is driven to rotate the clamping shaft 61, the clamping shaft 61 is contacted with the prism film, then the control column 63 is slid, the control column 63 is inserted into the inside of the control groove 65, the top medium is placed on the surface of the prism film, then the operating rod 73 is pulled to make the positioning shaft 75 and the positioning groove 76 disengage, then the operating rod 73 is rotated to drive the synchronous rod 71 to rotate, the synchronous belt 72 is contracted to make the limiting block contact with the medium, and the medium is driven to change the position, after the two ends of the medium completely contact with the two limiting blocks, the operating rod 73 is loosened, the operating rod 73 is slid to the inside of the synchronous rod 71 to make the positioning groove 76 contact with the positioning shaft 75, and the position of the medium is limited; finally, the weight is placed on the surface of the upper medium, so that the sliding of the steel belt 2 can be controlled to test.

[0022] The above disclosure is only several specific embodiments of the present application, but the embodiments of the present application are not limited to this, any changes that can be thought by any person skilled in the art should fall into the protection scope of the present application.

Claims

1. A prism film scratch test apparatus characterized by, The utility model relates to a kind of steel belt (2) for sliding in the body (1) inside, the body (1) surface is fixedly connected with clamping rod (3), limiting mechanism is arranged between the clamping rod (3) and body (1), and the limiting mechanism includes: Positioning rod (41) is fixedly arranged on the surface of body (1), the positioning rod (41) and clamping rod (3) are symmetrically arranged relative to steel belt (2), two positioning blocks (42) are slidably connected between the positioning rod (41) and clamping rod (3), the surface of two positioning blocks (42) is slidably connected with limiting rod (43), the surface of limiting rod (43) and clamping rod (3) is provided with clamping assembly;The surface of the limiting rod (43) and contact rod is fixedly connected with standard rod (44), and the opposite surface of two standard rods (44) is in contact with the two ends of prism film; The surface of the positioning block (42) is fixedly connected with arc block (45), and the synchronous assembly is arranged between the positioning block (42) and the positioning rod (41);The surface of the limiting rod (43) is provided with horizontal scale.

2. A prism film scratch test apparatus as defined in claim 1, wherein, The surface of the positioning block (42) is provided with open slot (51), and the open slot (51) is matched with the limiting rod (43).

3. A prism film scratch test apparatus as defined in claim 1, wherein, The clamping assembly includes clamping shaft (61) rotatably arranged in the limiting rod (43) and the clamping rod (3), the clamping shaft (61) is in contact with the prism film, the surface of the clamping shaft (61) is fixedly connected with driving rod (62), and the control assembly is arranged between the driving rod (62) and the clamping rod (3).

4. A prism film scratch test apparatus as defined in claim 3, wherein, The control assembly includes control column (63) slidably arranged on the surface of the driving rod (62), the surface of the control column (63) is fixedly connected with control shaft (64), a plurality of control grooves (65) are formed on the surface of the clamping rod (3), and the control shaft (64) is matched with the control groove (65).

5. A prism film scratch test apparatus as defined in claim 4, wherein, A plurality of control grooves (65) are arranged in annular array on the surface of the clamping rod (3), and adjacent control grooves (65) are communicated.

6. A prism film scratch test apparatus as defined in claim 3, wherein, The end of the driving rod (62) located in the clamping rod (3) is rotatably connected with sliding block (52), and the end of the driving rod (62) located in the limiting rod (43) is rotatably connected with sliding rod (53), and the sliding rod (53) is slidably arranged in the sliding block (52).

7. A prism film scratch test apparatus as defined in claim 6, wherein The sliding groove (54) is formed in the sliding block (52), and the sliding rod (53) is matched with the sliding groove (54).

8. A prism film scratch test apparatus as defined in claim 1, wherein, The synchronous assembly includes synchronous rod (71) rotatably arranged in the positioning rod (41), and the synchronous rod (71) is fixedly connected with synchronous belt (72) between the positioning block (42).

9. A prism film scratch test apparatus as defined in claim 8, wherein, The operation rod (73) is slidably connected in the synchronous rod (71), the connecting spring (74) is fixedly connected between the operation rod (73) and the synchronous rod (71), the positioning shaft (75) is fixedly connected to the surface of the operation rod (73), a plurality of positioning grooves (76) are formed on the surface of the positioning rod (41), the positioning groove (76) is matched with the positioning shaft (75), and a plurality of positioning grooves (76) are arranged in annular array around the synchronous rod (71).

10. A method of testing a prism film scratch test device according to any one of claims 1-9, wherein, It includes the following steps: S1, place the prism film and the bottom medium, place the medium directly on the surface of the steel strip (2), and then adhere one end of the prism film to the surface of the standard rod (44) of the clamping rod (3); S2, adjust the position of the prism film, slide the limiting rod (43), and make the standard rod (44) on the surface of the limiting rod (43) completely adhere to the other end of the prism film, so that both ends of the prism film adhere to the standard rod (44); S3, fix the position of the prism film; slide the control column (63), make the control shaft (64) and the control groove (65) disengage, then rotate the driving rod (62), the driving rod (62) rotates to drive the clamping shaft (61) to rotate, the clamping shaft (61) contacts the prism film, then slide the control column (63), make the control column (63) inserted into the inside of the control groove (65); S4, place the top medium and limit the position of the medium; place the top medium on the surface of the prism film, then pull the operating rod (73), make the positioning shaft (75) and the positioning groove (76) disengage, then rotate the operating rod (73), drive the synchronous rod (71) to rotate, make the synchronous belt (72) contract, make the limiting block contact the medium, and drive the medium to change position, after the two ends of the medium completely contact the two limiting blocks, release the operating rod (73), the operating rod (73) slides to the inside of the synchronous rod (71), make the positioning groove (76) and the positioning shaft (75) contact, limit the position of the medium.

Images