Device for testing friction coefficient of carbon-based diamond-like film material

Abstract

The utility model relates to the technical field of friction coefficient testing equipment, in particular to carbon-based diamond-like film material friction coefficient testing equipment which comprises a base station, side grooves are formed in the edges of the two sides of the top end of the base station, and damping rollers are rotationally installed in the side grooves. According to the utility model, one end of a thin film to be tested is straightened and stuffed into the bottom end of the side groove at one side of the base station, and the damping roller in contact with the thin film is driven to rotate by rotating the screwing assembly, so that the thin film to be tested is straightened, and the thin film to be tested is tightly clamped in the damping roller. The end side of the film can be stuffed from the top end of the other side groove, the other damping roller is rotated to enable the port of the film to extend to the outside of the base station, the two damping rollers are matched with the damping cambered surfaces to clamp the two ends of the film, and positioning and mounting work of the film is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of friction coefficient testing equipment, in particular to a friction coefficient testing equipment for a carbon-based diamond-like film material. Background Art

[0002] Diamond-like carbon film is a widely defined class of nanocrystalline-amorphous carbon-based composite film materials, which has excellent properties such as high hardness similar to diamond, good chemical stability, wear resistance, corrosion resistance and low friction coefficient, which has aroused great interest among researchers. In particular, the development of the theory and design of nanostructured and nano-effect materials in recent years has endowed the materials with more excellent properties, especially the diamond-like film with special composition and structure has shown great potential value as a new type of film material, and has become an important branch of research on new nano-composite film materials.

[0003] The utility model with Chinese patent publication number CN219978101U discloses a thin film friction coefficient tester, including a tester body, a test assembly is arranged above the tester body, a clamp is arranged outside the test assembly, a dust cover with an open lower surface is arranged vertically and slidably above the tester body, and a driving assembly for driving the dust cover is arranged on the tester body, and a protection assembly is also arranged on the tester body. The above device is not convenient for fast tensioning of the film material at both ends during use, and the film is prone to wrinkles during the clamping process, which is easy to cause the film to rupture during the friction test, affecting the test effect. Utility Model Content

[0004] The utility model aims to provide a friction coefficient testing device for carbon-based diamond-like film materials to solve the problems raised in the above-mentioned background technology.

[0005] The technical solution of the utility model is: a carbon-based diamond-like film material friction coefficient testing device, including a base, side grooves are opened at the edges of both sides of the top of the base, damping rollers are rotatably installed in the side grooves, damping arc surfaces matched with the damping rollers are arranged at the inner corners of the side grooves, and a material guiding arc surface is arranged at the top edge of the side grooves. A tightening component rotatably plugged into the end surface of the side groove is fixed at one end of the damping roller, a side frame is fixed on one side of the base, a lifting component is installed on the top of the side frame, a lifting frame is fixed on one side of the lifting end of the lifting component, a test component is installed on the lifting frame, and a test plate for testing the film friction coefficient is connected to the bottom of the test component.

[0006] The effects achieved by the above components are as follows: by straightening one end of the film to be tested and inserting it into the bottom end of the side groove on one side of the base, by rotating the tightening component and driving the damping roller in contact with the film to rotate, the film moves upward along the side groove, and the end side of the film of the device can be inserted from the top of the other side groove, and the other damping roller is rotated to extend the film port to the outside of the base, and the two damping rollers are used in conjunction with the damping arc surface to clamp the two ends of the film, so as to facilitate the positioning and installation of the film, wherein the material guiding arc surface can support the film to prevent the film from tearing, and the lifting frame is driven downward by the lifting component until the test plate fits the upper surface of the film, and then the test component is used to drive the test plate and the film to move relative to each other, so as to achieve the purpose of friction testing of the film.

[0007] Preferably, the tightening assembly includes a rotating shaft fixed at one end of the damping roller, the end of the rotating shaft away from the damping roller passes through the end face of the side groove and is connected to a stop ring, a sleeve is sleeved on the rotating shaft, a rotating ring is fixed on the outer wall of the sleeve, a damping ring that is dampingly fitted with the outer wall of the base is fixed on the end of the sleeve away from the stop ring, and a spring is sleeved on the rotating shaft and is located between the stop ring and the sleeve.

[0008] The effect achieved by the above components is: by pulling the sleeve to move along the rotating shaft away from the base until the damping ring is separated from the side wall of the base, the rotating ring drives the rotating shaft and the damping roller to rotate synchronously, thereby achieving the purpose of rotating the damping roller; when the film is tensioned, the rotating ring is loosened, and the spring drives the sleeve to reset until the damping ring is tightly pressed against the side wall of the base, thereby positioning and locking the damping roller for easy use.

[0009] Preferably, the lifting assembly includes a lifting slot opened on the side frame, a screw rod is rotatably installed in the lifting slot, the top end of the screw rod passes through the top end of the side frame and is connected to a lifting motor, a lifting block is provided on the threaded sleeve of the screw rod and slides with the lifting slot, and one side of the lifting block is fixedly connected to the lifting frame.

[0010] The effect achieved by the above components is: the lifting motor can drive the lead screw to rotate, and then drive the lifting block to move up and down, thereby achieving the lifting purpose of the lifting frame.

[0011] Preferably, the test assembly includes a slot opened on the lifting frame, an electric telescopic rod is fixed to the outside of the lifting frame, the extended end of the electric telescopic rod passes through the inner wall of the slot and is connected to a slide, and a tension sensor for testing friction is installed between one side of the slide and the inner wall of the slot.

[0012] The effects achieved by the above components are: the slide can be driven to slide along the slot by the electric telescopic rod, and the friction data between the test plate at the bottom of the slide and the film can be detected by the tension sensor.

[0013] Preferably, a guide rod is fixed in the notch, and the slide bracket is slidably mounted on the guide rod.

[0014] The effect achieved by the above components is that the slide can be slidably guided by the guide rod.

[0015] Preferably, the bottom corners of the base are threadedly connected with leveling feet.

[0016] The effect achieved by the above components is that the leveling feet can facilitate the leveling work of the base.

[0017] The utility model provides a carbon-based diamond-like film material friction coefficient testing device through improvement, which has the following improvements and advantages compared with the prior art:

[0018] First, the utility model straightens one end of the film to be tested and inserts it into the bottom end of the side groove on one side of the base, rotates the tightening assembly and drives the damping roller in contact with the film to rotate, so that the film moves upward along the side groove, and the end side of the film can be inserted from the top of the other side groove, and rotates the other damping roller to extend the film end to the outside of the base, and uses two damping rollers to cooperate with the damping arc surface to clamp the two ends of the film, so as to facilitate the positioning and installation of the film, wherein the guide arc surface can support the film to prevent the film from tearing;

[0019] Secondly, the utility model pulls the sleeve to move along the rotating shaft away from the base until the damping ring is separated from the side wall of the base, and the rotating ring drives the rotating shaft and the damping roller to rotate synchronously, thereby achieving the purpose of rotating the damping roller. When the film is tensioned, the rotating ring is loosened. At this time, the spring drives the sleeve to reset until the damping ring is tightly against the side wall of the base, thereby positioning and locking the damping roller for easy use. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The utility model is further explained below in conjunction with the accompanying drawings and embodiments:

[0021] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model from a first perspective;

[0022] Figure 2 It is a schematic diagram of the third perspective structure of the utility model;

[0023] Figure 3 yes Figure 2 A in the middle is an enlarged schematic diagram of the three-dimensional structure;

[0024] Figure 4 It is a three-dimensional structural schematic diagram of the test component in the utility model.

[0025] Description of reference numerals:

[0026] 1. Base; 2. Damping arc surface; 3. Damping roller; 4. Side groove; 5. Material guide arc surface; 6. Side frame; 7. Lifting assembly; 71. Lifting groove; 72. Screw rod; 73. Lifting motor; 74. Lifting block; 8. Lifting frame; 9. Test assembly; 91. Notch; 92. Electric telescopic rod; 93. Guide rod; 94. Slide; 10. Test plate; 11. Tightening assembly; 111. Rotating shaft; 112. Sleeve; 113. Rotating ring; 114. Damping ring; 115. Spring; 116. Stop ring. DETAILED DESCRIPTION

[0027] The utility model is described in detail below, and the technical solutions in the embodiments of the utility model are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] The utility model provides a carbon-based diamond-like film material friction coefficient testing device through improvement. The technical solution of the utility model is:

[0029] In the embodiments of the present invention, Figure 1-Figure 4 As shown, a friction coefficient testing device for carbon-based diamond-like film materials comprises a base 1, the bottom corners of the base 1 are threadedly connected with leveling feet, side grooves 4 are opened at the edges of both sides of the top of the base 1, a damping roller 3 is rotatably installed in the side groove 4, a damping arc surface 2 adapted to the damping roller 3 is arranged at the inner corner of the side groove 4, a material guiding arc surface 5 is arranged at the top edge of the side groove 4, a tightening component 11 rotatably plugged into the end surface of the side groove 4 is fixed at one end of the damping roller 3, a side frame 6 is fixed on one side of the base 1, a lifting component 7 is installed on the top of the side frame 6, a lifting frame 8 is fixed on one side of the lifting end of the lifting component 7, a test component 9 is installed on the lifting frame 8, and a test plate 10 for testing the friction coefficient of the film is connected to the bottom of the test component 9.

[0030] In the embodiment of the utility model, the tightening assembly 11 includes a rotating shaft 111 fixed to one end of the damping roller 3, and the end of the rotating shaft 111 away from the damping roller 3 passes through the end surface of the side groove 4 and is connected to a stop ring 116. A sleeve 112 is sleeved on the rotating shaft 111, and a rotating ring 113 is fixed on the outer wall of the sleeve 112. A damping ring 114 that is dampingly fitted with the outer wall of the base 1 is fixed on the end of the sleeve 112 away from the stop ring 116. The rotating shaft 111 is sleeved on the stop ring 116 and the outer wall of the base 1. The spring 115 between the sleeves 112 pulls the sleeve 112 to move along the rotating shaft 111 away from the base 1 until the damping ring 114 is separated from the side wall of the base 1, and the rotating ring 113 is rotated to drive the rotating shaft 111 and the damping roller 3 to rotate synchronously, thereby achieving the purpose of rotating the damping roller 3. When the film is tensioned, the rotating ring 113 is loosened. At this time, the spring 115 drives the sleeve 112 to reset until the damping ring 114 is pressed against the side wall of the base 1, thereby positioning and locking the damping roller 3.

[0031] In the embodiment of the utility model, the lifting assembly 7 includes a lifting groove 71 opened on the side frame 6, and a screw rod 72 is rotatably installed in the lifting groove 71. The top end of the screw rod 72 passes through the top end of the side frame 6 and is connected to a lifting motor 73. A lifting block 74 that slides with the lifting groove 71 is threadedly sleeved on the screw rod 72. One side of the lifting block 74 is fixedly connected to the lifting frame 8. The lifting motor 73 can drive the screw rod 72 to rotate, and then drive the lifting block 74 to move up and down, thereby achieving the lifting purpose of the lifting frame 8.

[0032] In an embodiment of the utility model, the test component 9 includes a slot 91 opened on the lifting frame 8, an electric telescopic rod 92 is fixed on the outside of the lifting frame 8, the extended end of the electric telescopic rod 92 passes through the inner wall of the slot 91 and is connected to a slide 94, a tension sensor for testing friction is installed between one side of the slide 94 and the inner wall of the slot 91, the electric telescopic rod 92 can drive the slide 94 to slide along the slot 91, and the tension sensor can detect the friction data between the test plate 10 at the bottom end of the slide 94 and the film, a guide rod 93 is fixed in the slot 91, the slide 94 is slidably sleeved on the guide rod 93, and the slide 94 can be slidably guided by the guide rod 93.

[0033] The working principle of a friction coefficient testing device for carbon-based diamond-like film materials provided by the utility model is as follows: one end of the film to be tested is stretched straight and inserted into the bottom end of the side groove 4 on one side of the base 1, and the sleeve 112 is pulled to move along the rotating shaft 111 away from the base 1 until the damping ring 114 is separated from the side wall of the base 1, and the rotating ring 113 is rotated to drive the rotating shaft 111 and the damping roller 3 to rotate synchronously, so that the film moves upward along the side groove 4, and the end side of the film of the device can be inserted from the top of the other side groove 4, and the other damping roller 3 is rotated to extend the film port to the outside of the base 1, and the two damping rollers 3 are used to cooperate with the damping arc surface 2 to clamp the two ends of the film. When the film is tensioned Then, the rotating ring 113 is loosened, and the spring 115 drives the sleeve 112 to reset until the damping ring 114 is pressed against the side wall of the base 1, and the damping roller 3 is positioned and locked, and the film is positioned and installed, wherein the material guide arc surface 5 can support the film to prevent the film from tearing, and the lifting motor 73 can drive the screw rod 72 to rotate, and then drive the lifting block 74 to drive the lifting frame 8 to move downward until the test plate 10 is in contact with the upper surface of the film, and then the electric telescopic rod 92 can be used to drive the slide 94 to slide along the slot 91, and the tension sensor can be used to detect the friction data between the test plate 10 at the bottom of the slide 94 and the film, so as to achieve the purpose of friction testing of the film.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A friction coefficient testing device for carbon-based diamond-like film materials, comprising a base (1), characterized in that: The top edge of the base (1) is provided with side grooves (4), a damping roller (3) is rotatably mounted in the side groove (4), a damping arc surface (2) adapted to the damping roller (3) is provided at the inner corner of the side groove (4), a material guiding arc surface (5) is provided at the top edge of the side groove (4), a tightening component (11) rotatably plugged into the end surface of the side groove (4) is fixed at one end of the damping roller (3), a side frame (6) is fixed on one side of the base (1), a lifting component (7) is installed at the top of the side frame (6), a lifting frame (8) is fixed on one side of the lifting end of the lifting component (7), a test component (9) is installed on the lifting frame (8), and a test plate (10) for testing the friction coefficient of the film is connected to the bottom end of the test component (9).

2. A carbon-based diamond-like carbon film material friction coefficient testing device according to claim 1, characterized in that: The tightening assembly (11) comprises a rotating shaft (111) fixed to one end of the damping roller (3); the end of the rotating shaft (111) away from the damping roller (3) passes through the end face of the side groove (4) and is connected to a stop ring (116); a sleeve (112) is sleeved on the rotating shaft (111); a rotating ring (113) is fixed on the outer wall of the sleeve (112); a damping ring (114) that is in damping contact with the outer wall of the base (1) is fixed on the end of the sleeve (112) away from the stop ring (116); and a spring (115) is sleeved on the rotating shaft (111) and is located between the stop ring (116) and the sleeve (112).

3. A carbon-based diamond-like carbon film material friction coefficient testing device according to claim 1, characterized in that: The lifting assembly (7) comprises a lifting slot (71) provided on the side frame (6), a screw rod (72) being rotatably installed in the lifting slot (71), the top end of the screw rod (72) passing through the top end of the side frame (6) being connected to a lifting motor (73), a lifting block (74) being threadedly sleeved on the screw rod (72) and being slidably matched with the lifting slot (71), and one side of the lifting block (74) being fixedly connected to the lifting frame (8).

4. The friction coefficient testing device for carbon-based diamond-like carbon film material according to claim 1, characterized in that: The test assembly (9) comprises a notch (91) provided on the lifting frame (8); an electric telescopic rod (92) is fixed on the outside of the lifting frame (8); an extended end of the electric telescopic rod (92) passes through the inner wall of the notch (91) and is connected to a slide (94); a tension sensor for testing friction is installed between one side of the slide (94) and the inner wall of the notch (91).

5. The friction coefficient testing device for carbon-based diamond-like carbon film material according to claim 4, characterized in that: A guide rod (93) is fixed in the notch (91), and the slide bracket (94) is slidably sleeved on the guide rod (93).

6. The friction coefficient testing device for carbon-based diamond-like carbon film material according to claim 1, characterized in that: The bottom corners of the base (1) are all threadedly connected with leveling feet.

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