A dark cotton corduroy fabric friction fastness testing machine

Abstract

The utility model relates to the technical field of friction fastness testers, and in particular to a friction fastness tester for dark-colored cotton corduroy fabrics, which is convenient for performing rotation detection with different dryness and humidity, improves the quality of detection, and is convenient for fixing the dark-colored cotton corduroy fabrics; comprises a detection frame; further comprises a fixing mechanism 1, a fixing mechanism 2, a first position adjustment mechanism, a second position adjustment mechanism, a lifting mechanism and a detection mechanism, wherein the fixing mechanism 2 is mounted on the fixing mechanism 1, the first position adjustment mechanism is mounted on the top end of the fixing mechanism 1, the second position adjustment mechanism is mounted on the first position adjustment mechanism, the lifting mechanism is mounted on the second position adjustment mechanism, and the detection mechanism is mounted on the bottom end of the lifting mechanism, the dark-colored cotton corduroy fabrics are conveniently fixed by the fixing mechanism 1, and the fixing mechanism 2 is convenient for fixing the fixing mechanism 1.

Description

Technical Field

[0001] The utility model relates to the technical field of friction fastness testing machines, in particular to a friction fastness testing machine for dark cotton corduroy fabrics. Background Art

[0002] Friction fastness refers to whether the patterns, designs, writings, etc. on the surface of the fabric are worn off, shifted, or disappeared after the fabric has been rubbed quantitatively. This test is an important indicator to measure the quality of the fabric, especially when considering the service life and durability of the fabric. For dark cotton corduroy fabrics, the longitudinal velvet strips formed on its surface and the thick texture make it easily affected by external friction during use, especially the elbows, collars, cuffs, knees and other parts of the clothing. Therefore, it is very necessary to use a friction fastness tester for testing.

[0003] Existing friction fastness testing machines, such as the prior art with application number CN201710542903.6, include clamping bars, fixed plates, magnet blocks, guide rails, screws, friction plates, positioning seats and connecting rods, etc. The pressure is adjusted by increasing or decreasing the number of code discs, and the overall friction force is stable and controllable.

[0004] However, the prior art can only perform parallel friction detection on fabrics, which is not convenient for rotation detection, and the prior art is not convenient for adjusting the dryness and wetness, which reduces the practicality. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a dark cotton corduroy fabric friction fastness testing machine which is convenient for performing rotation detection of different dryness and wetness, improves the quality of detection, and is convenient for fixing the dark cotton corduroy fabric.

[0006] The utility model discloses a dark cotton corduroy fabric friction fastness testing machine, comprising a testing frame; further comprising a fixing mechanism 1, a fixing mechanism 2, a first position adjustment mechanism, a second position adjustment mechanism, a lifting mechanism and a testing mechanism, wherein the fixing mechanism 2 is mounted on the fixing mechanism 1, the first position adjustment mechanism is mounted on the top of the fixing mechanism 1, the second position adjustment mechanism is mounted on the first position adjustment mechanism, the lifting mechanism is mounted on the second position adjustment mechanism, and the testing mechanism is mounted on the bottom of the lifting mechanism, the fixing mechanism 1 is convenient for fixing the dark cotton corduroy fabric, the fixing mechanism 2 is convenient for fixing the fixing mechanism 1, the first position adjustment mechanism and the second position adjustment mechanism are convenient for adjusting the detection position, the lifting mechanism is convenient for driving the detection mechanism to rise and fall, and the detection mechanism is convenient for performing rotation detection on the dark cotton corduroy fabric; the fixing mechanism 1 is convenient for fixing the dark cotton corduroy fabric, the fixing mechanism 2 is convenient for fixing the fixing mechanism 1, the first position adjustment mechanism and the second position adjustment mechanism are convenient for adjusting the detection position, the lifting mechanism is convenient for driving the detection mechanism to rise and fall, and the detection mechanism is convenient for performing rotation detection on the dark cotton corduroy fabric, thereby improving practicality.

[0007] Preferably, the fixing mechanism comprises a detection frame, an auxiliary detection plate, a sliding sleeve and a pressing sliding frame, the auxiliary detection plate is installed on the top of the detection frame, the sliding sleeve is installed on the side wall of the detection frame, the pressing sliding frame is slidably installed in the sliding sleeve, the bottom end of the pressing sliding frame passes through a spring, and the other end of the spring is installed at the bottom end inside the sliding sleeve; by pressing the pressing sliding frame, the spring contracts, and then the dark cotton corduroy fabric is pressed onto the auxiliary detection plate through the pressing sliding frame, the auxiliary detection plate is used to facilitate the detection of different pressures, and the practicality is improved, and the pressing sliding frame is fixed by a fixing mechanism.

[0008] Preferably, the second fixing mechanism includes a rack, a fixed shaft, a rotating cylinder, a vortex spring, a rotating plate, a sliding fixed plate and a threaded rod, the rack is mounted on the side wall of the pressing sliding frame, a fixing groove is provided on the side wall of the sliding sleeve, the fixed shaft is mounted in the fixing groove, the rotating cylinder is rotatably mounted on the fixed shaft, the vortex spring connects the fixed shaft and the rotating cylinder, the elasticity of the vortex spring is in the counterclockwise direction of the rotating cylinder, the rotating plate is mounted on the outer wall of the rotating cylinder, the sliding fixed plate is slidably mounted in the rotating plate, one end of the threaded rod is mounted on the sliding fixed plate, and the threaded rod drives the side wall of the rotating plate through the threaded relationship; the spring is contracted by pressing the pressing sliding frame, and the dark color is pressed by pressing the sliding frame The cotton corduroy fabric is pressed on the auxiliary detection plate, and the auxiliary detection plate is used to facilitate the detection of different pressures, thereby improving practicality. When the pressing sliding frame slides in the sliding sleeve to fix the dark cotton corduroy fabric, the sliding fixing plate is pushed into the rack through the elasticity of the vortex spring, thereby completing the fixation of the pressing sliding frame. When the dark cotton corduroy fabric is to be removed, the threaded rod is rotated, and the sliding fixing plate is driven to slide in the rotating plate due to the threaded relationship, thereby releasing the rotating cylinder from the clamping connection with the rack, and then the pressing sliding frame is driven to slide upward in the sliding sleeve through the elasticity of the spring at the bottom of the pressing sliding frame, thereby removing the dark cotton corduroy fabric.

[0009] Preferably, the first position adjustment mechanism includes an adjustment frame, a first lead screw, a limit rod, a sliding mounting block and a first adjustment motor, the adjustment frame is mounted on the top of the detection frame, a slide groove and a mounting frame are provided on the adjustment frame, the first lead screw is rotatably mounted on the mounting frame, the limit rod is mounted on the mounting frame, the sliding mounting block is slidably mounted in the slide groove, the sliding mounting block is slidably mounted on the limit rod, the sliding mounting block is threadably matched with the first lead screw, the first adjustment motor is mounted on the mounting frame, and the output end of the first adjustment motor is connected to the first lead screw; the first lead screw is driven to rotate by turning on the first adjustment motor, and then the sliding mounting block is driven to slide in the limit rod through the meshing relationship, thereby laterally adjusting the detection position.

[0010] Preferably, the second position adjustment mechanism includes a second lead screw, a second sliding block and a second adjusting motor, a sliding groove and a motor plate are provided on the sliding mounting block, one end of the second lead screw is rotatably mounted in the sliding groove, one end of the second lead screw is rotatably mounted on the motor plate, the second sliding block is slidably mounted in the sliding groove, the second sliding block is threadably matched with the second lead screw, the second adjusting motor is mounted on the motor plate, and the output end of the second adjusting motor is connected to the second lead screw; by turning on the second adjusting motor, the second lead screw is driven to rotate, and then the second sliding block is driven to slide in the sliding groove, thereby longitudinally adjusting the detected position.

[0011] Preferably, the lifting mechanism includes a sliding cylinder one, a sliding cylinder two, a third lead screw and a third motor, the sliding cylinder one is installed on the second sliding block, the sliding cylinder two is slidably installed in the sliding cylinder one, the third lead screw is rotatably installed in the sliding cylinder one, the third lead screw is threadedly matched with the sliding cylinder two, the third motor is installed at the top of the sliding cylinder one, and the output end of the third motor is on the third lead screw; the third motor is driven to rotate by turning on the third motor, and then the sliding cylinder two is driven to slide in the sliding cylinder one through the threaded relationship, thereby driving the detection mechanism to rise and fall, so as to facilitate the adjustment of the detected pressure value.

[0012] Preferably, the detection mechanism includes a detection motor, a detection plate, a pressing plate and a fixing bolt. The detection motor is installed at the bottom end of the sliding cylinder, the detection plate is installed on the output end of the detection motor, and the pressing plate is installed on the top of the detection plate through the fixing bolt. The pressing plate is driven by the fixing bolt to install the detection cloth on the detection plate, thereby facilitating the replacement of the detection cloth and the replacement of the dryness and wetness of the detection cloth, thereby improving practicality. The detection motor is turned on to drive the detection plate to rotate, thereby completing the rotation detection of dark cotton corduroy fabric.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: fixing mechanism one is convenient for fixing dark cotton corduroy fabric, fixing mechanism two is convenient for fixing fixing mechanism one, the first position adjustment mechanism and the second position adjustment mechanism are convenient for adjusting the detection position, the lifting mechanism is convenient for driving the detection mechanism to lift and lower, and the detection mechanism is convenient for rotating detection of dark cotton corduroy fabric, thereby improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a first axonometric structural schematic diagram of the utility model;

[0015] Figure 2 It is a second axonometric structural schematic diagram of the utility model;

[0016] Figure 3 It is a third axonometric structural schematic diagram of the utility model;

[0017] Figure 4 It is a schematic diagram of the side-view cross-section axonometric structure of the utility model;

[0018] Figure 5 It is a front-view cross-sectional axonometric structural schematic diagram of the utility model;

[0019] Figure 6 The utility model Figure 2 A schematic diagram of the enlarged structure at A in the middle;

[0020] Figure 7 The utility model Figure 4 A schematic diagram of the enlarged structure at B in the middle;

[0021] Figure 8 The utility model Figure 5 Schematic diagram of the enlarged structure at C in the middle;

[0022] Markings in the accompanying drawings: 01, fixing mechanism one; 11, detection frame; 12, auxiliary detection plate; 13, sliding sleeve; 14, pressing sliding frame; 02, fixing mechanism two; 21, rack; 22, fixed shaft; 23, rotating cylinder; 24, vortex spring; 25, rotating plate; 26, sliding fixed plate; 27, threaded rod; 03, first position adjustment mechanism; 31, adjustment frame; 32, first lead screw; 33, limit rod; 34, sliding mounting block; 35, first adjustment motor; 04, second position adjustment mechanism; 41, second lead screw; 42, second sliding block; 43, second adjustment motor; 05, lifting mechanism; 51, sliding cylinder one; 52, sliding cylinder two; 53, third lead screw; 54, third motor; 06, detection mechanism; 61, detection motor; 62, detection plate; 63, pressing sheet; 64, fixing bolt. DETAILED DESCRIPTION

[0023] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive. Example 1

[0024] like Figure 2 , Figure 4 , Figure 6 and Figure 7 As shown, it includes a detection frame 11, and also includes a fixing mechanism 1 01, a fixing mechanism 2 02, a first position adjustment mechanism 03, a second position adjustment mechanism 04, a lifting mechanism 05 and a detection mechanism 06, the fixing mechanism 2 02 is installed on the fixing mechanism 1 01, the first position adjustment mechanism 03 is installed on the top of the fixing mechanism 1 01, the second position adjustment mechanism 04 is installed on the first position adjustment mechanism 03, the lifting mechanism 05 is installed on the second position adjustment mechanism 04, and the detection mechanism 06 is installed on the bottom of the lifting mechanism 05;

[0025] The fixing mechanism 1 01 is convenient for fixing the dark cotton corduroy fabric, the fixing mechanism 2 02 is convenient for fixing the fixing mechanism 1 01, the first position adjustment mechanism 03 and the second position adjustment mechanism 04 are convenient for adjusting the detection position, the lifting mechanism 05 is convenient for driving the detection mechanism 06 to lift, and the detection mechanism 06 is convenient for rotating the dark cotton corduroy fabric;

[0026] The fixing mechanism 101 comprises a detection frame 11, an auxiliary detection plate 12, a sliding sleeve 13 and a pressing sliding frame 14. The auxiliary detection plate 12 is mounted on the top of the detection frame 11, the sliding sleeve 13 is mounted on the side wall of the detection frame 11, the pressing sliding frame 14 is slidably mounted in the sliding sleeve 13, and the bottom end of the pressing sliding frame 14 passes through a spring, and the other end of the spring is mounted on the bottom end of the inside of the sliding sleeve 13;

[0027] The fixing mechanism 202 includes a rack 21, a fixed shaft 22, a rotating cylinder 23, a vortex spring 24, a rotating plate 25, a sliding fixed plate 26 and a threaded rod 27. The rack 21 is installed on the side wall of the pressing sliding frame 14. A fixing groove is provided on the side wall of the sliding sleeve 13. The fixed shaft 22 is installed in the fixing groove. The rotating cylinder 23 is rotatably installed on the fixed shaft 22. The vortex spring 24 connects the fixed shaft 22 and the rotating cylinder 23. The elasticity of the vortex spring 24 is in the counterclockwise direction of the rotating cylinder 23. The rotating plate 25 is installed on the outer wall of the rotating cylinder 23. The sliding fixed plate 26 is slidably installed in the rotating plate 25. One end of the threaded rod 27 is installed on the sliding fixed plate 26. The threaded rod 27 drives the side wall of the rotating plate 25 through a threaded relationship.

[0028] By pressing the pressing sliding frame 14, the spring contracts, and then the dark cotton corduroy fabric is pressed on the auxiliary detection plate 12 by pressing the sliding frame 14. The auxiliary detection plate 12 facilitates the detection of different pressures and improves practicality. When the pressing sliding frame 14 slides in the sliding sleeve 13 to fix the dark cotton corduroy fabric, the sliding fixing plate 26 is pushed into the rack 21 by the elasticity of the vortex spring 24, thereby completing the fixation of the pressing sliding frame 14. When the dark cotton corduroy fabric is to be removed, the threaded rod 27 is rotated to The threaded relationship drives the sliding fixed plate 26 to slide in the rotating plate 25, thereby releasing the rotating cylinder 23 from the clamping connection with the rack 21, and then the elasticity of the spring at the bottom of the pressing sliding frame 14 drives the pressing sliding frame 14 to slide upward in the sliding sleeve 13, thereby removing the dark cotton corduroy fabric, the first position adjustment mechanism 03 and the second position adjustment mechanism 04 are convenient for adjusting the detection position, the lifting mechanism 05 is convenient for driving the detection mechanism 06 to rise and fall, and the detection mechanism 06 is convenient for rotating detection of the dark cotton corduroy fabric, thereby improving practicality. Example 2

[0029] like Figure 2 , Figure 3 , Figure 5 and Figure 8As shown, it includes a detection frame 11, and also includes a fixing mechanism 1 01, a fixing mechanism 2 02, a first position adjustment mechanism 03, a second position adjustment mechanism 04, a lifting mechanism 05 and a detection mechanism 06, the fixing mechanism 2 02 is installed on the fixing mechanism 1 01, the first position adjustment mechanism 03 is installed on the top of the fixing mechanism 1 01, the second position adjustment mechanism 04 is installed on the first position adjustment mechanism 03, the lifting mechanism 05 is installed on the second position adjustment mechanism 04, and the detection mechanism 06 is installed on the bottom of the lifting mechanism 05;

[0030] The fixing mechanism 1 01 is convenient for fixing the dark cotton corduroy fabric, the fixing mechanism 2 02 is convenient for fixing the fixing mechanism 1 01, the first position adjustment mechanism 03 and the second position adjustment mechanism 04 are convenient for adjusting the detection position, the lifting mechanism 05 is convenient for driving the detection mechanism 06 to lift, and the detection mechanism 06 is convenient for rotating the dark cotton corduroy fabric;

[0031] The first position adjustment mechanism 03 includes an adjustment frame 31, a first lead screw 32, a limit rod 33, a sliding mounting block 34 and a first adjustment motor 35. The adjustment frame 31 is mounted on the top of the detection frame 11. A slide groove and a mounting frame are provided on the adjustment frame 31. The first lead screw 32 is rotatably mounted on the mounting frame. The limit rod 33 is mounted on the mounting frame. The sliding mounting block 34 is slidably mounted in the slide groove. The sliding mounting block 34 is slidably mounted on the limit rod 33. The sliding mounting block 34 is threadedly matched with the first lead screw 32. The first adjustment motor 35 is mounted on the mounting frame. The output end of the first adjustment motor 35 is connected to the first lead screw 32.

[0032] The second position adjustment mechanism 04 includes a second lead screw 41, a second sliding block 42 and a second adjustment motor 43. The sliding mounting block 34 is provided with a sliding groove and a motor plate. One end of the second lead screw 41 is rotatably mounted in the sliding groove. One end of the second lead screw 41 is rotatably mounted on the motor plate. The second sliding block 42 is slidably mounted in the sliding groove. The second sliding block 42 is threadedly matched with the second lead screw 41. The second adjustment motor 43 is mounted on the motor plate. The output end of the second adjustment motor 43 is connected to the second lead screw 41.

[0033] The lifting mechanism 05 includes a sliding cylinder 1 51, a sliding cylinder 2 52, a third lead screw 53 and a third motor 54. The sliding cylinder 1 51 is installed on the second sliding block 42, the sliding cylinder 2 52 is slidably installed in the sliding cylinder 1 51, the third lead screw 53 is rotatably installed in the sliding cylinder 1 51, the third lead screw 53 is threadedly matched with the sliding cylinder 2 52, the third motor 54 is installed on the top of the sliding cylinder 1 51, and the output end of the third motor 54 is on the third lead screw 53;

[0034] The detection mechanism 06 includes a detection motor 61, a detection plate 62, a pressing piece 63 and a fixing bolt 64. The detection motor 61 is installed at the bottom end of the sliding cylinder 52, the detection plate 62 is installed on the output end of the detection motor 61, and the pressing piece 63 is installed on the top end of the detection plate 62 through the fixing bolt 64.

[0035] The fixing mechanism 1 01 is convenient for fixing the dark cotton corduroy fabric, and the fixing mechanism 2 02 is convenient for fixing the fixing mechanism 1 01. The first adjusting motor 35 is turned on to drive the first lead screw 32 to rotate, and then the sliding mounting block 34 is driven to slide in the limit rod 33 through the meshing relationship, so as to adjust the detection position laterally. The second adjusting motor 43 is turned on to drive the second lead screw 41 to rotate, and then the second sliding block 42 is driven to slide in the sliding groove, so as to adjust the detection position longitudinally. The third motor 54 is turned on to drive the third lead screw 53 to rotate, and then the sliding cylinder 2 52 is driven to slide in the sliding cylinder 1 51 through the threaded relationship, so as to drive the detection mechanism 06 to rise and fall, so as to adjust the detection pressure value. The pressing sheet 63 is driven by the fixing bolt 64 to install the detection cloth on the detection plate 62, so as to facilitate the replacement of the detection cloth, and facilitate the replacement of the dryness and wetness of the detection cloth, thereby improving practicality. The detection motor 61 is turned on to drive the detection plate 62 to rotate, so as to complete the rotation detection of the dark cotton corduroy fabric.

[0036] like Figures 1 to 8As shown, the utility model is a dark cotton corduroy fabric friction fastness testing machine. When it is working, the pressing sliding frame 14 is pressed to make the spring contract, and then the dark cotton corduroy fabric is pressed onto the auxiliary detection plate 12 by pressing the sliding frame 14. The auxiliary detection plate 12 is convenient for detecting different pressures, thereby improving practicality. When the pressing sliding frame 14 slides in the sliding sleeve 13 to complete the fixation of the dark cotton corduroy fabric, the sliding fixing plate 26 is pushed into the rack 21 by the elasticity of the vortex spring 24, thereby completing the fixation of the pressing sliding frame 14. When the dark cotton corduroy fabric is to be removed, the threaded rod 27 is rotated, and the sliding fixing plate 26 is driven to slide in the rotating plate 25 due to the threaded relationship, thereby releasing the rotating cylinder 23 from the clamping connection with the rack 21, and then the pressing sliding frame 14 is driven to slide upward in the sliding sleeve 13 by the elasticity of the spring at the bottom end of the pressing sliding frame 14, thereby The velvet fabric is removed, and the first adjusting motor 35 is turned on to drive the first screw 32 to rotate, and then the sliding mounting block 34 is driven to slide in the limit rod 33 through the meshing relationship, so as to adjust the detection position laterally, and the second adjusting motor 43 is turned on to drive the second screw 41 to rotate, and then the second sliding block 42 is driven to slide in the sliding groove, so as to adjust the detection position longitudinally, and the third motor 54 is turned on to drive the third screw 53 to rotate, and then the sliding cylinder 2 52 is driven to slide in the sliding cylinder 1 51 through the threaded relationship, so as to drive the detection mechanism 06 to rise and fall, so as to adjust the detection pressure value, and the pressing piece 63 is driven by the fixing bolt 64 to install the detection cloth on the detection plate 62, so as to facilitate the replacement of the detection cloth, and facilitate the replacement of the dryness and wetness of the detection cloth, thereby improving practicality, and the detection plate 62 is driven to rotate by turning on the detection motor 61, so as to complete the rotation detection of the dark cotton corduroy fabric.

[0037] The first regulating motor 35, the second regulating motor 43, the third motor 54 and the detection motor 61 of the utility model are purchased on the market, and technicians in the industry only need to install and operate them according to the accompanying instruction manuals without the need for creative work by technicians in this field.

[0038] The main functions realized by the utility model are: during the working process of the friction fastness tester, it is convenient to carry out rotation detection with different dryness and humidity, improve the quality of detection, and facilitate to fix the dark cotton corduroy fabric.

[0039] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A dark cotton corduroy fabric friction fastness testing machine, comprising a testing frame (11); characterized in that: It also includes a fixing mechanism 1 (01), a fixing mechanism 2 (02), a first position adjustment mechanism (03), a second position adjustment mechanism (04), a lifting mechanism (05) and a detection mechanism (06), wherein the fixing mechanism 2 (02) is mounted on the fixing mechanism 1 (01), the first position adjustment mechanism (03) is mounted on the top of the fixing mechanism 1 (01), the second position adjustment mechanism (04) is mounted on the first position adjustment mechanism (03), the lifting mechanism (05) is mounted on the second position adjustment mechanism (04), and the detection mechanism (06) is mounted on the bottom of the lifting mechanism (05); The fixing mechanism one (01) is convenient for fixing the dark cotton corduroy fabric, the fixing mechanism two (02) is convenient for fixing the fixing mechanism one (01), the first position adjustment mechanism (03) and the second position adjustment mechanism (04) are convenient for adjusting the detection position, the lifting mechanism (05) is convenient for driving the detection mechanism (06) to rise and fall, and the detection mechanism (06) is convenient for performing rotation detection on the dark cotton corduroy fabric.

2. A dark cotton corduroy fabric friction fastness tester as claimed in claim 1, characterized in that: The fixing mechanism 1 (01) comprises a detection frame (11), an auxiliary detection plate (12), a sliding sleeve (13) and a pressing sliding frame (14), wherein the auxiliary detection plate (12) is mounted on the top of the detection frame (11), the sliding sleeve (13) is mounted on the side wall of the detection frame (11), the pressing sliding frame (14) is slidably mounted in the sliding sleeve (13), and the bottom end of the pressing sliding frame (14) passes through a spring, and the other end of the spring is mounted on the bottom end inside the sliding sleeve (13).

3. A dark cotton corduroy fabric friction fastness tester as claimed in claim 2, characterized in that: The fixing mechanism 2 (02) comprises a rack (21), a fixed shaft (22), a rotating cylinder (23), a vortex spring (24), a rotating plate (25), a sliding fixed plate (26) and a threaded rod (27). The rack (21) is mounted on the side wall of the pressing sliding frame (14). A fixing groove is provided on the side wall of the sliding sleeve (13). The fixed shaft (22) is mounted in the fixing groove. The rotating cylinder (23) is rotatably mounted on the fixed shaft (22). The vortex spring (24) connects the fixed shaft (22) and the rotating cylinder (23). The elasticity of the vortex spring (24) is in the counterclockwise direction of the rotating cylinder (23). The rotating plate (25) is mounted on the outer wall of the rotating cylinder (23). The sliding fixed plate (26) is slidably mounted in the rotating plate (25). One end of the threaded rod (27) is mounted on the sliding fixed plate (26). The threaded rod (27) drives the side wall of the rotating plate (25) through a threaded relationship.

4. A dark cotton corduroy fabric friction fastness tester as claimed in claim 2, characterized in that: The first position adjustment mechanism (03) comprises an adjustment frame (31), a first lead screw (32), a limit rod (33), a sliding mounting block (34) and a first adjustment motor (35). The adjustment frame (31) is mounted on the top of the detection frame (11). A slide groove and a mounting frame are provided on the adjustment frame (31). The first lead screw (32) is rotatably mounted on the mounting frame. The limit rod (33) is mounted on the mounting frame. The sliding mounting block (34) is slidably mounted in the slide groove. The sliding mounting block (34) is slidably mounted on the limit rod (33). The sliding mounting block (34) is threadedly matched with the first lead screw (32). The first adjustment motor (35) is mounted on the mounting frame. The output end of the first adjustment motor (35) is connected to the first lead screw (32).

5. A dark cotton corduroy fabric friction fastness tester as claimed in claim 4, characterized in that: The second position adjustment mechanism (04) comprises a second lead screw (41), a second sliding block (42) and a second adjustment motor (43); a sliding groove and a motor plate are provided on the sliding mounting block (34); one end of the second lead screw (41) is rotatably mounted in the sliding groove; one end of the second lead screw (41) is rotatably mounted on the motor plate; the second sliding block (42) is slidably mounted in the sliding groove; the second sliding block (42) is threadedly matched with the second lead screw (41); the second adjustment motor (43) is mounted on the motor plate; and the output end of the second adjustment motor (43) is connected to the second lead screw (41).

6. A dark cotton corduroy fabric friction fastness tester as claimed in claim 5, characterized in that: The lifting mechanism (05) comprises a sliding cylinder (51), a sliding cylinder (52), a third lead screw (53) and a third motor (54). The sliding cylinder (51) is mounted on the second sliding block (42), the sliding cylinder (52) is slidably mounted in the sliding cylinder (51), the third lead screw (53) is rotatably mounted in the sliding cylinder (51), the third lead screw (53) is threadedly matched with the sliding cylinder (52), the third motor (54) is mounted on the top end of the sliding cylinder (51), and the output end of the third motor (54) is connected to the third lead screw (53).

7. A dark cotton corduroy fabric friction fastness tester as claimed in claim 6, characterized in that: The detection mechanism (06) comprises a detection motor (61), a detection plate (62), a pressing plate (63) and a fixing bolt (64), wherein the detection motor (61) is mounted on the bottom end of the second sliding cylinder (52), the detection plate (62) is mounted on the output end of the detection motor (61), and the pressing plate (63) is mounted on the top end of the detection plate (62) via the fixing bolt (64).

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