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CN-121994695-A - Device and method for testing interlayer peeling strength of composite suede

CN121994695ACN 121994695 ACN121994695 ACN 121994695ACN-121994695-A

Abstract

The invention discloses a device and a method for testing interlayer peeling strength of composite suede, and belongs to the field of composite suede testing. The invention discloses a compound suede interlayer peeling strength testing device, which comprises a U-shaped bracket, a threaded rod rotationally arranged in the U-shaped bracket, guide rails fixedly arranged on the U-shaped bracket, two moving plates respectively connected with the two ends of the threaded rod in a threaded manner, two buffer plates, buffer elastic pieces arranged between the two buffer plates and the two moving plates, two limiting plates, tension meters arranged between the two limiting plates and the two buffer plates, and two clamping assemblies respectively fixedly arranged on the two limiting plates.

Inventors

  • JIANG QICONG
  • XIAO JIN
  • WU ZHIZHANG

Assignees

  • 苏州达以纺织有限公司

Dates

Publication Date
20260508
Application Date
20260306

Claims (10)

  1. 1. The utility model provides a compound chamois leather fine hair interlaminar peel strength testing arrangement, includes U type support (1), its characterized in that still includes: the threaded rod (3) arranged in the U-shaped bracket (1) is rotated, and threads at two ends of the threaded rod (3) are opposite in rotation direction; the guide rail (102) is fixedly arranged on the U-shaped bracket (1); The two moving plates (302) are arranged, and the two moving plates (302) are respectively connected with the two ends of the threaded rod (3) in a threaded manner; Two buffer plates (304) are both connected to the guide rail (102) in a sliding manner, and buffer elastic pieces (303) are arranged between the two buffer plates (304) and the two moving plates (302); the two limiting plates (306) are both connected to the guide rail (102) in a sliding manner, and a tension meter (305) is arranged between the two limiting plates (306) and the two buffer plates (304); The two groups of clamping components are respectively and fixedly arranged on the two limiting plates (306).
  2. 2. The device for testing the interlayer peeling strength of the composite suede nap according to claim 1, wherein sliding blocks matched with the guide rail (102) are arranged at two ends of the moving plate (302), the buffer plate (304) and the limiting plate (306), the moving plate (302), the buffer elastic piece (303), the buffer plate (304), the tension meter (305) and the limiting plate (306) are symmetrically arranged, a limiting rod (301) is arranged on the U-shaped support (1), and the moving plate (302) is slidably connected to the limiting rod (301).
  3. 3. The device for testing the interlayer peeling strength of the composite suede nap according to claim 1, wherein the clamping assembly comprises a U-shaped plate (4) fixedly arranged on the limiting plate (306), a pressing plate (402) is connected in a sliding mode on the U-shaped plate (4), a screw rod (403) is connected to the pressing plate (402) in a rotating mode, the top of the screw rod (403) extends out of the U-shaped plate (4) and extends outwards, and the screw rod (403) is connected with threads of the U-shaped plate (4).
  4. 4. A composite suede interlayer peeling strength testing apparatus according to claim 3, wherein a groove (401) corresponding to the pressing plate (402) is provided in the U-shaped plate (4), a guide rod (404) is fixedly provided on the pressing plate (402), and the guide rod (404) is slidably connected with the U-shaped plate (4).
  5. 5. The test fixture for the interlayer peeling strength of the composite suede nap according to claim 3, wherein the supporting rod (307) is arranged on the tension meter (305), a plurality of buckles (308) are arranged on the outer wall of the buffer plate (304), one end, far away from the tension meter (305), of the supporting rod (307) is connected in the buckles (308), the tension meter (305) is further provided with a tension output rod (311), a fixed circular plate (312) is connected on the tension output rod (311), a clamping groove (309) is formed in the limiting plate (306), an inserting groove (310) is formed in the clamping groove (309), and the fixed circular plate (312) is inserted in the clamping groove (309).
  6. 6. The device for testing the interlayer peeling strength of the composite suede nap according to claim 1 or 5, wherein a fixing box (5) is fixedly arranged on the inner wall of the bottom of the U-shaped support (1), an inserting block (501) is connected in a sliding manner in the fixing box (5), a transverse plate (502) is arranged at the top of the inserting block (501), a first clamping plate (504) is fixedly arranged at the top of the transverse plate (502), a sliding rod (506) is connected to the first clamping plate (504) in a sliding manner, a second clamping plate (505) is fixedly connected to the end part of the sliding rod (506), and a spring (503) is arranged between the inserting block (501) and the inner wall of the fixing box (5).
  7. 7. The device for testing the interlayer peeling strength of the composite suede nap according to claim 6, wherein a thread groove is formed in the sliding rod (506), a fixing nut (507) is connected to the thread groove on the sliding rod (506) in a threaded mode, the fixing nut (507) abuts against the outer wall of the first clamping plate (504), a triangular groove (509) is formed in the first clamping plate (504), and a triangular block (508) matched with the triangular groove (509) is arranged on the second clamping plate (505).
  8. 8. The device for testing the interlayer peeling strength of the composite suede nap according to claim 1, wherein a motor (2) is arranged on the outer wall of the U-shaped support (1), an output shaft (201) is arranged at the output end of the motor (2), a rotary table (202) is arranged on the output shaft (201), circumferentially distributed tooth grooves (203) are formed in the rotary table (202), tooth blocks (204) are connected in the tooth grooves (203), and gears (205) meshed with the tooth blocks (204) are arranged on the outer wall of the threaded rod (3).
  9. 9. The device for testing the interlayer peeling strength of the composite suede nap according to claim 1, wherein two supporting plates (101) are fixedly arranged on the outer wall of the U-shaped support (1), the two supporting plates (101) are respectively and rotatably connected with a squeeze roller (103) and an auxiliary fine roller (104), and the composite suede nap is arranged between the two squeeze rollers (103).
  10. 10. A method for testing the interlayer peeling strength of a composite suede nap, comprising the apparatus for testing the interlayer peeling strength of a composite suede nap according to any one of claims 1 to 9, characterized by comprising the steps of: selecting proper fiber raw materials, determining fiber proportions according to product requirements, and mixing different fiber raw materials; step two, processing by a weft knitting machine, controlling the knitting tension and density to perform processing treatment such as stretching and shaping, and then checking the quality and appearance of the product; Step three, performing post-treatment, namely cleaning the weft knitting product to remove residual impurities and treating agents, and then performing drying treatment on the weft knitting product to form a composite suede finished product; Pre-stripping one end of a finished product, connecting the stripped two ends to two clamping assemblies respectively, and then controlling a threaded rod (3) to rotate to drive the two clamping assemblies to be away from each other, so as to gradually apply force to finish the stripping test of the composite suede; step five, after the test is finished, observing the maximum value on a tension meter (305), and judging whether the peeling strength of the composite suede is qualified or not; and step six, if the peeling strength is qualified, finally packaging the same batch of products, ensuring the package to be complete and sealed, and carrying out inventory management according to the requirements.

Description

Device and method for testing interlayer peeling strength of composite suede Technical Field The invention relates to the technical field of compound suede testing, in particular to a device and a method for testing interlayer peeling strength of compound suede. Background The composite suede is a multilayer-structured artificial leather/textile composite material, which is formed by combining suede serving as a surface layer with other functional base materials through technologies such as adhesion, compounding and the like to form a novel fabric with appearance texture and practical performance, wherein in the field of interlayer peeling strength testing of the multilayer-structured textile composite materials such as the composite suede, a single-shaft continuous stretching or single-side stepping peeling testing device is generally adopted in the prior art, so that a sample is biased in the peeling process, the interlayer stress direction is not completely vertical to a peeling surface, the fluctuation of testing data is large, and the real interlayer bonding strength of the material cannot be accurately reflected, and the like. Synchronous and equidistant opposite separation of two ends is difficult to realize, so that the sample is easy to slip or twist in the test process, and the accuracy and repeatability of a test result are affected. Aiming at the problems, the application aims to provide an interlayer peeling strength testing device based on bidirectional synchronous stepping driving, so that the problems of uneven stress distribution, insufficient testing precision, complex operation and the like in the prior art are solved, and the stability and reliability of the interlayer peeling strength test of multi-layer textile materials such as compound suede and the like are improved. Disclosure of Invention The invention aims to solve the problems that the toughness of the existing glass hot bending die material is relatively low, the heat conduction performance is to be improved, the preparation process of a high-performance material is complex, and the cost is high. In order to achieve the above purpose, the present invention adopts the following technical scheme: The device for testing the interlayer peeling strength of the composite suede comprises a U-shaped bracket and also comprises a U-shaped bracket; The threaded rod arranged in the U-shaped bracket is rotated, and threads at two ends of the threaded rod are opposite in rotation direction; The guide rail is fixedly arranged on the U-shaped bracket; the two moving plates are respectively connected with the two ends of the threaded rod in a threaded manner; The two buffer plates are both connected to the guide rail in a sliding way, and a buffer elastic piece is arranged between the two buffer plates and the two moving plates; The two limiting plates are both connected to the guide rail in a sliding manner, and a tension meter is arranged between the two limiting plates and the two buffer plates; the two groups of clamping components are respectively and fixedly arranged on the two limiting plates. Preferably, both ends of the moving plate, the buffer plate and the limiting plate are respectively provided with a sliding block matched with the guide rail, the two moving plates, the buffer elastic piece, the buffer plate, the tension meter and the limiting plate are symmetrically arranged, the U-shaped support is provided with a limiting rod, and the moving plates are slidably connected to the limiting rod. Preferably, the clamping assembly comprises a U-shaped plate fixedly arranged on the limiting plate, a pressing plate is slidably connected to the U-shaped plate, a screw rod is rotatably connected to the pressing plate, the top of the screw rod extends out of the U-shaped plate and extends outwards, and the screw rod is connected with threads of the U-shaped plate. Further, a groove corresponding to the pressing plate is formed in the U-shaped plate, and a guide rod is fixedly arranged on the pressing plate and is connected with the U-shaped plate in a sliding mode. Further, be equipped with the bracing piece on the tensiometer, be equipped with a plurality of buckles on the outer wall of buffer board, the bracing piece is kept away from the one end of tensiometer and is connected in the buckle, still be equipped with the pulling force output pole on the tensiometer, be connected with fixed plectane on the pulling force output pole, be equipped with the draw-in groove on the limiting plate, be equipped with the insertion groove on the draw-in groove, fixed plectane is pegged graft in the draw-in groove. Preferably, the bottom inner wall of the U-shaped support is fixedly provided with a fixed box, an inserting block is connected in the fixed box in a sliding mode, a transverse plate is arranged at the top of the inserting block, a first clamping plate is fixedly arranged at the top of the transverse plate, a sliding rod is connected to the