CN217180439U - A multi-parameter friction tester - Google Patents

Abstract

The utility model discloses a multi-parameter friction tester, comprising a friction platform and a friction clamp seat, a fixed frame is arranged on the outer side of the friction platform, and a reciprocating base is arranged above the friction platform and located between two side walls of the fixed frame. The rod, the base rod is slidably connected with a guide post for installing the connecting plate, the connecting plate is fixedly connected to the friction clamp seat, and the upper end opening of the fixed frame is installed with a limit plate for limiting the friction track of the friction clamp seat, the utility model can By adjusting the position of the limit plate, the friction clamp can move according to different trajectories, so that more parameter conditions can be simulated and more experimental data can be obtained.

Description

A multi-parameter friction tester

technical field

The utility model relates to the technical field of friction testing, in particular to a multi-parameter friction testing instrument.

Background technique

At present, in order to test the durability of some film materials (such as product packaging materials, clothing fabrics), friction testers are usually used to test film materials before application. In the linear reciprocating test, the results and parameters measured in this form are relatively simple, and the reference is insufficient for the complex situations encountered in the actual use of thin film materials. In order to solve the above situation, the present utility model provides a multi-parameter friction tester.

Utility model content

The purpose of the present invention is to provide a multi-parameter friction tester to solve the problems raised in the above background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a multi-parameter friction tester, comprising a friction platform and a friction clamp seat, the friction platform and the friction clamp seat can both clamp the film material that needs to be tested, and the friction clamp seat is on the The friction platform moves on the friction platform to carry out the friction test. Of course, it can also be used to install materials such as sandpaper for the friction experiment test. The outer side of the friction platform is provided with a fixed frame. There is a base rod that can reciprocate, and the base rod is slidably connected with a guide post for installing the connecting plate, the connecting plate is fixedly connected to the friction clamp seat, and the mounting plate is installed on the base rod through the guide post. , the base rod can drive the friction clamp to move, so as to carry out the friction experiment. The upper opening of the fixed frame is equipped with a limit plate for limiting the friction track of the friction clamp. The limit plate can limit the trajectory of the movement. Thereby, the motion friction situation with multi-parameter changes is carried out, and the required data is measured.

Preferably, both ends of the friction platform are provided with a rectangular pressure frame, the upper side of the pressure frame is located above the friction platform, and the lower side of the pressure frame is slidably connected in the through groove opened on the friction platform, and By connecting the first spring with the groove wall of the through groove, the first spring has an elastic tendency to push the pressing frame downward, so that the pressing frame presses the material placed on the friction platform, such as the film material to be tested, etc.;

The lower side of the friction clamp is in the shape of a boss, and the lower side of the friction clamp is provided with a clamp frame, the upper side of the clamp frame is fixedly connected with a plurality of connecting rods, and the upper end of the connection rod penetrates the friction clamp. It extends to the top of the friction clamp, and is connected with the friction clamp through a second spring. The second spring pushes the clamp frame upward, so that the clamp frame clamps some soft materials to be subjected to friction experiments, such as sandpaper. The lower film can be used to clamp the sandpaper when the rubbing test is performed, and it can be used to clamp the film material to be tested when the same film is rubbed against each other.

Preferably, the upper side of the upper side of the pressing frame is provided with a sliding rail with a large inner and an outer small, and a sliding plate is slidably connected to the inside of the sliding rail, and a pull rod is connected between the two sliding plates. Pull up for easy installation of membrane material.

Preferably, the two ends of the base rod extend to the inside of the protective frame through the through grooves on the side wall of the fixed frame, and are fixedly connected with the gear frame slidably connected inside the protective frame, and the protective frame is fixedly connected to the fixed frame On both sides of the inside of the gear frame, a rack is fixedly connected, and the inside of the gear frame is rotatably connected with a half-gear that matches the rack, and the two half-gears are connected to each other through a connecting shaft, and the connecting shaft One end of the gear penetrates the corresponding protective frame, fixed frame and friction platform and is fixedly connected with the motor shaft of the motor. The motor can drive the half-gear to rotate continuously, thereby driving the gear frame to continuously reciprocate, which in turn can drive the base rod to continuously reciprocate.

Preferably, a limit rod is fixedly connected to the connecting plate, a reciprocating linear limit slot and a one-way straight limit slot are opened on one side of the limit plate, and a reciprocating arc limit slot is opened on the other side. And the one-way arc limit slot, by controlling the position of the limit plate, to make the reciprocating linear limit slot, one-way straight limit slot, reciprocating arc limit slot or one-way arc limit slot and limit rod Align, so that the friction holder moves according to the specified trajectory, that is, the parameters of the way to change the friction path;

A spacer plate is fixedly connected between the one-way linear limit groove and the two sides of the groove walls inside the one-way arc limit groove, and one end of the spacer plate is fixedly connected with a fixing strip at the notch of the groove wall, One end of the isolation plate close to the fixing strip is hinged with a rotating plate, and the isolation plate, the rotating plate and the fixing strip cooperate with each other, so that the circular plate moves according to a specified trajectory.

Preferably, the limiting plate is engaged with a screw rotatably connected between the two mounting bars, the two sides of the mounting bar are fixedly connected with insert bars, and the upper side of the opening of the fixing frame is provided with The position of the limit plate can be adjusted by rotating the screw rod, and the insertion strip and the slot cooperate with each other to complete the installation of the limit plate.

Preferably, since the thickness of different film materials is different, in order to be able to adjust the spacing, the friction platform is connected to the electric telescopic rod provided on the fixed frame, so that the height of the friction platform can be adjusted to adapt to different experimental conditions.

Compared with the prior art, the beneficial effect of the present utility model is: the present utility model can adjust the position and direction of the limiting plate through the cooperation between the connecting plate, the limiting plate and the limiting rod, so that the limiting rod can be inserted into the device. Reciprocating linear limit slot, one-way straight limit slot, reciprocating arc limit slot and the inside of one-way arc limit slot, so that the friction clamp seat can be installed with specified trajectory movement to obtain more changes in friction path parameters The wear condition under the condition makes the test results have a good reference.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present utility model;

Fig. 2 is the internal structure schematic diagram of the protection frame of the present invention;

Fig. 3 is the sectional view of the utility model friction platform;

Fig. 4 is the movement state diagram of the circular plate of the utility model inside the one-way linear limit groove;

5 is an exploded view of the pressing frame and the friction platform of the present invention;

Fig. 6 is the structural representation of the utility model friction platform;

7 is a schematic structural diagram of a fixed frame of the present invention;

Fig. 8 is the structural schematic diagram of the limit plate of the present invention;

9 is an exploded view of the connecting plate and the guide post of the present invention;

Figure 10 is an exploded view of the clamp frame and the friction clamp seat of the present invention;

11 is a cross-sectional view of a vertical rod of the present invention.

In the figure: 1. Friction platform, 2. Friction clamp, 3. Fixed frame, 4. Base rod, 5. Connecting plate, 6. Guide post, 7. Limiting plate, 8. Press frame, 9. Through groove, 10. First spring, 11, clip frame, 12, connecting rod, 13, second spring, 14, slide rail, 15, slide plate, 16, tie rod, 17, through groove, 18, protective frame, 19, tooth frame, 20, rack, 21, half gear, 22, connecting shaft, 23, motor, 24, limit rod, 240, vertical rod, 241, circular plate, 25, reciprocating linear limit slot, 26, one-way linear limit Slot, 27, Reciprocating arc limit slot, 28, One-way arc limit slot, 29, Isolation plate, 30, Fixing strip, 31, Turning plate, 32, Mounting strip, 33, Screw, 34, Insert, 35, slot, 36, electric telescopic rod.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. . Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to FIGS. 1-11 , the present utility model provides a technical solution: a multi-parameter friction tester, comprising a friction platform 1 and a friction clamp base 2 , and both the friction platform 1 and the friction clamp base 2 can clamp the test object to be tested. For the film material, during the test, the film material on the friction holder 2 and the film material on the friction platform 1 are attached to each other, and then the friction holder 2 is moved to make friction between the two film materials, and then removed after friction Relevant friction data can be obtained by observing or using other detection equipment to detect the wear of the film. The outer side of the friction platform 1 is provided with a fixed frame 3, and the friction platform 1 is above and located on both sides of the fixed frame 3. A base rod 4 capable of reciprocating motion is arranged between the walls. The base rod 4 is slidably connected with a guide post 6 for installing a connecting plate 5. The connecting plate 5 is fixedly connected to the friction clamp seat 2, and the connecting plate 5 There is a through hole corresponding to the guide post 6. Align the through hole on the connecting plate 5 with the guide column 6 and place the connecting plate 5 on the base rod 4 to complete the installation of the connecting plate 5. When the base rod 4 reciprocates The friction clamp base 2 will be driven to move, and the guide post 6 can slide on the base rod 4 so as to perform non-linear trajectory movement.

And as shown in Figures 3 and 9, the connecting plate 5 is slidingly sleeved on the guide post 6, and there is no complete fixation between them. When a one-way friction experiment is required on the friction holder 2, the friction holder 2 is required to reciprocate. while moving up and down at the same time, it will not be affected at this time. The upper end opening of the fixed frame 3 is installed with a limit plate 7 for limiting the friction track of the friction clamp seat 2. The limit plate 7 can make the friction clamp seat 2 follow The required trajectory directions are subjected to kinematic friction to simulate different parametric conditions.

Specifically, both ends of the friction platform 1 are provided with a rectangular pressure frame 8 , the upper edge of the pressure frame 8 is located above the friction platform 1 , and the lower edge of the pressure frame 8 is slidingly connected on the friction platform 1 . Some pass through the groove 9, and are connected with the groove wall of the through groove 9 through the first spring 10. The first spring 10 has an elastic tendency to push the pressing frame 8 downward, so that the upper edge of the pressing frame 8 can be rubbed against each other. The upper side of the platform 1 cooperates with each other to clamp the film material to be tested, and the two vertical sides of the pressing frame 8 are slidably connected to the stabilizing plate (as shown in Figure 5, the stabilizing plate is fixedly connected to the friction platform 1), which can make the pressing frame 8 more stable. stable up and down movement;

The lower side of the friction clamp base 2 is in the shape of a boss, and the lower side of the friction clamp base 2 is provided with a clamp frame 11 , and a plurality of connecting rods 12 are fixedly connected to the upper side of the clamp frame 11 . The upper end of the connecting rod 12 extends through the friction clamp base 2 to the top of the friction clamp base 2, the upper end of the connecting rod 12 is connected to the friction clamp base 2 through the second spring 13, and the two ends of the second spring 13 The clamp base is connected in contact but not fixedly connected, the second spring 13 will push the clamp frame 11 upward through the connecting rod 12, so that the clamp frame 11 and the friction clamp base 2 can cooperate with each other to clamp the friction material, while the friction clamp base The lower side of 2 is in the shape of a boss, so that when the friction test is performed, the clip frame 11 will not touch the friction material to avoid affecting the friction test;

In addition, as shown in Figure 10, the bosses on the lower side of the wiping holder 2 are connected by screws, which can be disassembled (the clip frame 11 and the connecting rod 12 can be disassembled and separated at the same time), and then some other friction objects can be installed. , such as a metal block with a rough surface, etc., to conduct a friction test experiment of some solid objects on the film on the lower friction platform 1 platform.

In order to more conveniently install the tested film material on the friction platform 1, a tie rod 16 is provided, and the upper side of the upper side of the pressing frame 8 is provided with a sliding rail 14 with an inner size and an outer size. A sliding plate 15 is slidably connected inside, and the size of the sliding plate 15 is adapted to the inner size of the sliding rail 14 and is smaller than the size of the opening of the sliding rail 14 (as shown in FIG. 6 ), so that the sliding plate 15 can slide stably inside the sliding rail 14 , but it will not fall off from the inside of the slide rail 14, and a pull rod 16 is connected between the two slide plates 15. When installing the film material, the pull rod 16 can be slid to the middle of the upper side of the pressing frame 8, and then the two pressure The frame 8 is pulled upward at the same time, so that the film material can be smoothly placed between the pressing frame 8 and the friction platform 1, and then the pull rod 16 is released. At this time, the first spring 10 will push the pressing frame 8 downward, so that the pressing frame 8 and the friction platform 1 cooperate with each other to fix the film material on the friction platform 1. The setting of the pull rod 16 can simultaneously pull the two pressing frames 8 upward, which is convenient for the installation of the film material.

Specifically, the two ends of the base rod 4 extend to the inside of the protective frame 18 through the through grooves 17 opened on the side wall of the fixed frame 3 and are fixedly connected with the tooth frame 19 slidably connected inside the protective frame 18 . The protection frame 18 is fixedly connected to the fixed frame 3 , the racks 20 are fixedly connected to both sides of the inner side of the rack 19 , the shape of the rack 19 is rectangular, and the racks 20 are located on the inner sides of the upper and lower sides of the rack 19 The inner part of the gear frame 19 is rotatably connected with a half-gear 21 which is adapted to the rack 20. The distribution angle of the teeth on the half-gear 21 is less than 180 degrees. The rack 20 of the upper plate is meshed with the rack 20 located under the rack 19, so that the rack 19 can be continuously reciprocated inside the protective frame 18, thereby driving the base rod 4 to reciprocate inside the fixed frame 3 , the two half-gears 21 are connected to each other through the connecting shaft 22, and one end of the connecting shaft 22 penetrates (the penetration of the friction platform 1 is shown in Figure 3, with a certain adjustable space) corresponding to the protective frame 18 and the fixing frame. 3. The friction platform 1 is fixedly connected with the motor shaft of the motor 23. The motor 23 is installed on the side wall of the corresponding protection frame 18. The rotation of the motor shaft of the motor 23 will drive the connection shaft 22 to rotate, thereby driving the two half gears 21. turn.

Specifically, a limit rod 24 is fixedly connected to the connecting plate 5 , and the limit rod 24 includes a vertical rod 240 and a circular plate 241 . The diameter of the circular plate 241 is larger than that of the vertical rod 240 , and the surface of the circular plate 241 is embedded with a The balls can reduce the frictional force. One side of the limit plate 7 is provided with a reciprocating linear limit groove 25 and a one-way linear limit groove 26. When the limit plate 7 is installed, a reciprocating linear limit groove can be opened. 25 and the one-way linear limit groove 26 are installed on the fixed frame 3 toward the friction platform 1, and then the limit rod 24 can be inserted into the reciprocating linear limit groove 25 or the one-way linear limit groove 26 by adjusting the position of the limit plate 7. inside, so that the friction holder 2 can reciprocate along a straight line, and when moving along a straight line, the film material on the friction holder 2 can be rubbed back and forth, or rubbed in a single direction. The reciprocating arc limit groove 27 and the one-way arc limit groove 28 can be installed toward the friction platform 1 when the limit plate 7 is installed. On the fixed frame 3, the limit rod 24 can be inserted into the reciprocating arc limit groove 27 or the one-way arc limit groove 28 by adjusting the position of the limit plate 7, so that the friction clamp seat 2 can be moved along the The arc reciprocates, and when moving along the arc, the film material on the friction holder 2 is rubbed back and forth or in a single direction;

A spacer plate 29 is fixedly connected between the one-way linear limit groove 26 and the two sides of the groove walls inside the one-way arc limit groove 28, and one end of the spacer plate 29 is fixedly connected at the notch of the groove wall. There is a fixing bar 30, and one end of the isolation plate 29 close to the fixing bar 30 is hinged with a turning plate 31, as shown in FIG. When the limit groove 28 is inside, the circular plate 241 will be located below the isolation plate 29. When the friction clamp seat 2 moves toward the direction close to the fixing bar 30, the circular plate 241 will move to the top of the fixing bar 30. Under the action of gravity, its end away from the isolation plate 29 will naturally ride on the fixing bar 30 to form an inclined platform. When the circular plate 241 moves in the direction of the fixing bar 30, the turning plate 31 will be pushed away and completely moved to the fixing bar 30. Afterwards, the rotating plate 31 will be re-mounted on the fixing bar 30, and then when the circular plate 241 moves in the direction of the isolation plate 29 again, it will move to the top of the isolation plate 29 through the rotating plate 31. The thin film material on the friction platform 1 will not be in contact with the thin film material on the friction platform 1, until the end of the circular plate 241 crosses the isolation plate 29 away from the fixing bar 30 and falls down again, the thin film material on the friction clamp seat 2 will again contact with each other. The film materials on the friction platform 1 are in contact with each other, so that the friction test in a single direction can be smoothly implemented. Specifically, as shown in FIG. 10 , the circular plate 241 is a wedge shape with a large upper and a small lower, which is convenient to move to the fixed bar 30 and the rotating plate 31 superior.

Specifically, the limit plate 7 is engaged with the screw rod 33 rotatably connected between the two mounting bars 32, and the position of the limit plate 7 can be adjusted by rotating the screw rod 33, thereby controlling the reciprocating linear limit groove 25 and the single The straight line limit slot 26 or the reciprocating arc limit slot 27 and the one-way arc limit slot 28 are aligned with the initial position of the limit rod 24, and the mounting bar 32 is fixedly connected with the inserts on both sides of the mounting bar 32. 34 is installed on the fixed frame 3, and the upper side of the opening of the fixed frame 3 is provided with a slot 35 that is adapted to the insert 34. After the insert 34 is inserted into the slot 35, the mounting strip 32 can be stably installed on the fixed frame. 3 on.

Specifically, when testing different friction objects, in order to make them fit tightly, the friction platform 1 is connected to the electric telescopic rod 36 provided on the fixed frame 3, and the friction platform 1 can be adjusted by the electric telescopic rod 36. and the distance between the friction clamp seat 2. In addition, as shown in FIG. 11 , the special vertical rod 240 may be formed by inserting two rods, and a pressure sensor is installed between them to obtain the pressure condition during friction.

Working principle: The electronic components in this application are powered by an external power supply through cables. When conducting the self-friction test, install the film material to be tested on the friction platform 1 and the friction holder 2 respectively, and then install the friction holder 2 on the friction holder 2. On the base rod 4, and install the limit plate 7 according to the needs, so that the limit rod 24 is inserted into the reciprocating linear limit slot 25, the one-way straight limit slot 26, the reciprocating arc limit slot 27 or the one-way arc limit The inside of the groove 28 can define the movement trajectory of the friction clamp seat 2, so that the friction clamp seat 2 moves according to the specified trajectory, and relevant tests are carried out.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (7)

1. a multi-parameter friction tester, comprising a friction platform (1) and a friction holder (2), it is characterized in that: the outer side of the friction platform (1) is provided with a fixed frame (3), the friction platform ( 1) above and between the two side walls of the fixing frame (3) is provided with a base rod (4), and a guide post (6) for installing the connecting plate (5) is slidably connected to the base rod (4), The connecting plate (5) is fixedly connected to the friction clamp seat (2), and a limit plate (7) for limiting the friction track of the friction clamp seat (2) is installed at the upper end opening of the fixing frame (3). 2. A multi-parameter friction tester according to claim 1, characterized in that: both ends of the friction platform (1) are provided with a rectangular pressing frame (8), and the pressing frame (8) ) is located above the friction platform (1), and the lower edge of the pressing frame (8) is slidably connected to the through groove (9) opened on the friction platform (1) and is connected to the through groove (9) through the first spring (10). ) of the groove walls are connected to each other; The lower side surface of the friction clamp seat (2) is in the shape of a boss, and the lower side surface of the friction clamp seat (2) is provided with a clamping frame (11), and the upper side surface of the clamping frame (11) is fixedly connected with a plurality of connections A rod (12), the upper end of the connecting rod (12) is interconnected with the friction clamp seat (2) through a second spring (13). 3. A kind of multi-parameter friction tester according to claim 2, characterized in that: the upper side of the upper side of the pressing frame (8) is provided with a sliding rail (14) large inside and small outside, and the sliding rail (14) ) is slidably connected with a sliding plate (15), and a pull rod (16) is connected between the two sliding plates (15). 4. A multi-parameter friction tester according to claim 1, characterized in that: the two ends of the base rod (4) extend through the through grooves (17) opened on the side walls of the fixing frame (3) to the The inside of the protection frame (18) is fixedly connected with the gear frame (19), the racks (20) are fixedly connected on both sides of the inside of the gear frame (19), and the gear frame (19) is rotatably connected to the inside of the gear frame (19). A half gear (21) adapted to the rack (20), the gear (21) being driven by the motor shaft of the motor (23). 5. A multi-parameter friction tester according to claim 1, characterized in that: a limit rod (24) is fixedly connected to the connecting plate (5), and a side surface of the limit plate (7) is A reciprocating linear limit slot (25) and a one-way straight limit slot (26) are opened, and a reciprocating arc limit slot (27) and a one-way arc limit slot (28) are opened on the other side; A spacer plate (29) is fixedly connected between the one-way linear limit groove (26) and the two sides of the groove walls inside the one-way arc limit groove (28), and one end of the spacer plate (29) is located at A fixing strip (30) is fixedly connected to the notch of the groove wall, and a rotating plate (31) is hinged at one end of the insulating plate (29) close to the fixing strip (30). 6. A multi-parameter friction tester according to claim 1, characterized in that: the limit plate (7) is engaged with the screw (33) rotatably connected between the two mounting bars (32), Inserting strips (34) are fixedly connected on both sides of the mounting strip (32), and a slot (35) is opened on the upper side of the opening of the fixing frame (3). 7. A multi-parameter friction tester according to any one of claims 1-6, characterized in that: an electric telescopic rod (36) provided on the friction platform (1) and the fixed frame (3) )connect.

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