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CN-122016461-A - Textile fabric detection biaxial stretching mechanism

CN122016461ACN 122016461 ACN122016461 ACN 122016461ACN-122016461-A

Abstract

The invention belongs to the technical field of textile fabric detection, in particular to a textile fabric detection biaxial stretching mechanism, which comprises a frame, wherein a first driving motor is fixedly arranged at the left end of the frame, a second driving motor is fixedly arranged at the front end of the frame, first driving screw rods are transversely and longitudinally arranged on the upper side of the frame in a rotating manner, guide rods are transversely and longitudinally fixedly arranged on the upper side of the frame, two groups of sliding seats are respectively arranged on the first driving screw rods, guide blocks are fixedly arranged on the lower sides of four groups of sliding seats, screw sleeves are fixedly arranged on the lower sides of the four groups of sliding seats, when textile fabrics are clamped, a worker can rotate a sliding frame to enable the sliding frame to move on the second driving screw rods, the sliding frame moves to drive guide columns arranged on the upper side to move, the guide columns move to enable four groups of expansion components to expand or contract, and then the distances between the four groups of clamping components are adjusted to adapt to textile fabrics with different sizes.

Inventors

  • CHEN LI
  • Hong Zhouxiang
  • SUN YANGFAN

Assignees

  • 宜宾大川纺织有限公司

Dates

Publication Date
20260512
Application Date
20251226

Claims (10)

  1. 1. The bidirectional stretching mechanism for detecting the textile fabric comprises a frame (1) and is characterized in that a first driving motor (3) is fixedly arranged at the left end of the frame (1), a second driving motor (4) is fixedly arranged at the front end of the frame (1), a first driving screw (5) is transversely and longitudinally arranged at the upper side of the frame (1) in a rotating mode, guide rods (6) are transversely and longitudinally arranged at the upper side of the frame (1) in a fixed mode, two groups of sliding seats (7) are respectively arranged on the first driving screw (5), guide blocks (8) are respectively and fixedly arranged at the lower sides of the sliding seats (7), threaded sleeves (9) are respectively and fixedly arranged at the lower sides of the sliding seats (7), the threaded sleeves (9) are sleeved on the two groups of first driving screws (5) through threads, expansion assemblies are respectively arranged at the upper sides of the sliding seats (7), the four groups of expansion assemblies are oppositely arranged on the sliding seats (7), and clamping assemblies are respectively arranged on the four groups of expansion assemblies.
  2. 2. The bidirectional stretching mechanism for detecting textile fabric according to claim 1, wherein a plurality of groups of adjustable supporting legs (2) are fixedly arranged on the lower side of the frame (1), and the lower sides of the groups of adjustable supporting legs (2) are attached to the ground.
  3. 3. The bidirectional stretching mechanism for detecting textile fabrics is characterized in that the expansion assembly comprises an expansion bracket (10), the expansion bracket (10) is fixedly arranged on the upper side of a sliding seat (7), an expansion seat (11) is fixedly arranged on the upper side of the expansion bracket (10), expansion guide frames (12) are symmetrically arranged on the left side of the expansion seat (11) up and down, a scissor type expansion frame (13) is arranged between the two groups of expansion guide frames (12), a third driving motor (14) is fixedly arranged in the expansion seat (11), a second driving screw rod (15) is fixedly arranged on an output shaft of the third driving motor (14), a sliding frame (16) is sleeved on the second driving screw rod (15) through threads, guide posts (17) are fixedly arranged on two sides of the upper side of the sliding frame (16), guide slots (18) are formed in the two groups of expansion guide posts (17), the scissor type expansion guide frames (12) are movably inserted into the two groups of guide slots (18), and two groups of expansion guide posts (19) are arranged at the cross connection position of the scissor type expansion frame (13) and are connected with two groups of opposite sides of the two groups of expansion guide frames (19).
  4. 4. The bidirectional stretching mechanism for detecting textile fabric according to claim 3, wherein two groups of expansion guide frames (12) arranged on the left side of the expansion seat (11) are arranged in a cross shape, and the front-back length of the two groups of expansion guide frames (12) is larger than the front-back width of the scissor type expansion frame (13).
  5. 5. The bidirectional stretching mechanism for detecting textile fabrics is characterized in that the clamping assembly comprises a plurality of groups of rotary seats (20), the rotary seats (20) are movably arranged at the left ends of the scissor type expansion frames (13), clamping arms (21) are arranged in the left ends of the rotary seats (20), a plurality of groups of movable grooves (22) are arranged in the opposite ends of the clamping arms (21), expansion rods (23) are arranged in the plurality of groups of movable grooves (22) arranged at the opposite ends of the clamping arms (21), return springs (24) are arranged in the plurality of groups of movable grooves (22) arranged at the opposite ends of the clamping arms (21), slots (25) are arranged at the left sides of the clamping arms (21), fixing assemblies are arranged in the slots (25) at the left sides of the scissor type expansion frames (13), and anti-rotation assemblies are arranged on the rotary seats (20) at the front sides and the rear sides of the left ends of the scissor type expansion frames (13).
  6. 6. The bidirectional stretching mechanism for detecting textile fabric according to claim 5, wherein the fixing assembly comprises an inserting block (26), the inserting groove (25) is movably inserted into the inserting groove (25), a clamping cavity (27) is formed in the inserting block (26), an upper clamping block (28) is movably installed in the upper side of the clamping cavity (27), two groups of adjusting screws (29) are rotatably installed in the inserting block (26), the lower ends of the two groups of adjusting screws (29) are inserted into the upper clamping block (28) through threads, a lower clamping block (30) is fixedly installed in the lower side of the clamping cavity (27), and the upper clamping block (28) and the lower clamping block (30) are oppositely arranged.
  7. 7. The bidirectional stretching mechanism for detecting textile fabric according to claim 6, wherein a plurality of groups of anti-slip teeth (31) are arranged on the lower side of the upper clamping block (28), a plurality of groups of anti-slip grooves (32) are formed on the upper side of the lower clamping block (30), and the plurality of groups of anti-slip teeth (31) at the lower end of the upper clamping block (28) are matched with the inner walls of the plurality of groups of anti-slip grooves (32) on the upper side of the lower clamping block (30).
  8. 8. The bidirectional stretching mechanism for detecting textile fabrics according to claim 7, wherein the anti-rotation component comprises two groups of ratchets (33), the two groups of ratchets (33) are fixedly arranged on clamping arms (21) arranged in rotating bases (20) on the front side and the rear side of the left end of the scissors-type expansion frame (13), knobs (34) are fixedly arranged on the two groups of ratchets (33), fixed blocks (35) are respectively arranged on the rotating bases (20) on the front side and the rear side of the left end of the scissors-type expansion frame (13), shaft bases (36) are respectively and fixedly arranged on opposite sides of the two groups of fixed blocks (35), pawls (37) are respectively and rotatably arranged at the upper ends of the two groups of shaft bases (36), and torsion springs are arranged at the joints of the two groups of the shaft bases (36) and the two groups of pawls (37).
  9. 9. The bidirectional stretching mechanism for detecting textile fabric as set forth in claim 6, wherein the cross sections of the inner wall of the slot (25) and the insert block (26) are T-shaped, and the insert block (26) is adapted to the inner wall of the slot (25).
  10. 10. The bidirectional stretching mechanism for detecting textile fabrics according to claim 5, wherein the diameters of the inner walls of the positions where the plurality of groups of clamping arms (21) are arranged on the plurality of groups of the rotating bases (20) are larger than the diameters of the outer walls of the plurality of groups of the clamping arms (21).

Description

Textile fabric detection biaxial stretching mechanism Technical Field The invention belongs to the technical field of textile fabric detection, and particularly relates to a bidirectional stretching mechanism for textile fabric detection. Background art After the production of the textile fabric, in order to detect the related performance, related performance detection is usually performed on the textile fabric, wherein tensile performance detection of the textile fabric is one of common detection items, and when the tensile performance detection is performed, the textile fabric is usually biaxially stretched so as to perform corresponding detection on warps and wefts of the textile fabric. In textile industry, the quality and performance of the fabric are vital, in order to ensure the stability and durability of the fabric in various applications, a bidirectional stretching test is indispensable, and when the conventional textile fabric stretching detection equipment is used, the existing textile fabric stretching detection equipment is unstable in clamping, so that the fabric falls off in stretching, the stretching strength of the fabric cannot be accurately measured, and the conventional textile fabric stretching detection equipment cannot be fixedly stretched according to the size of the fabric, so that the accuracy and the practicability of the test are affected. Therefore, the invention provides a bidirectional stretching mechanism for detecting textile fabrics. Disclosure of Invention In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved. The technical scheme includes that the bidirectional stretching mechanism for detecting the textile fabric comprises a frame, a first driving motor is fixedly arranged at the left end of the frame, a second driving motor is fixedly arranged at the front end of the frame, first driving screw rods are transversely and longitudinally arranged on the upper side of the frame in a rotating mode, guide rods are transversely and longitudinally arranged on the upper side of the frame, two groups of sliding seats are fixedly arranged on the two groups of first driving screw rods, guide blocks are fixedly arranged on the lower sides of four groups of sliding seats, screw sleeves are fixedly arranged on the lower sides of the four groups of sliding seats, the four groups of screw sleeves are sleeved on the two groups of first driving screw rods through threads, expansion assemblies are arranged on the upper sides of the four groups of sliding seats in a sleeved mode, the expansion assemblies on the four groups of sliding seats are oppositely arranged, and clamping assemblies are arranged on the four groups of expansion assemblies. As an optimized technical scheme of the application, a plurality of groups of adjustable supporting legs are fixedly arranged on the lower side of the frame, and the lower sides of the groups of adjustable supporting legs are attached to the ground. According to the technical scheme, the expansion assembly comprises an expansion bracket, the expansion bracket is fixedly arranged on the upper side of a sliding seat, an expansion seat is fixedly arranged at the upper end of the expansion bracket, expansion guide frames are symmetrically arranged on the left side of the expansion seat up and down, a shear type expansion frame is arranged between the two groups of expansion guide frames, a third driving motor is fixedly arranged in the expansion seat, a second driving screw rod is fixedly arranged on an output shaft of the third driving motor, a sliding frame is sleeved on the second driving screw rod through threads, guide posts are fixedly arranged on two sides of the upper side of the sliding frame, guide grooves are formed in the two groups of expansion guide frames, two groups of guide posts are movably inserted into the two groups of guide grooves, connecting rods are arranged at cross connection positions of the shear type expansion frames, and the upper ends and the lower ends of the plurality of the connecting rods are in sliding connection with the opposite sides of the two groups of expansion guide frames. As an optimized technical scheme of the application, two groups of expansion guide frames arranged on the left side of the expansion seat are arranged in a cross shape, and the front-back length of the two groups of expansion guide frames is larger than the front-back width of the scissor type expansion frame. As a preferable technical scheme of the application, the clamping assembly comprises a plurality of groups of rotary seats, wherein a plurality of groups of rotary seats are movably arranged at the left ends of the scissor type expansion frames, clamping arms are arranged in the left ends of the plurality of groups of rotary seats, a plurality of groups of movable grooves are formed in the opposite ends of the plurality of groups of clamping arms, expansion rods