Stretching detection device for down jacket fabric

Abstract

The invention discloses a stretching detection device for down jacket fabric, which comprises a base, and the base is used for providing a detection station and supporting the fabric; the stretching mechanisms are arranged on the two sides of the outer surface of the base, each stretching mechanism comprises a rotating rod, the outer portion of each rotating rod is sleeved with two arc plates which are attached to each other, clamping grooves are formed in the outer surfaces of the two arc plates, and the arc plates clamp fabric through the clamping grooves and rotate along with the rotating rods to wind and stretch the fabric; the clamping and fixing assembly is arranged outside the rotating rod and used for clamping and fixing the end of the fabric, relates to the technical field of stretching detection, and solves the problems that when an existing down jacket fabric stretching detection device is used, the occupied area is increased, forward feedback of a detection result after stretching does not exist, manual testing is still needed, and the working efficiency is high. And the problems of increased actual detection working procedures, time and labor waste and low efficiency are solved.

Description

Technical Field

[0001] The invention relates to the technical field of stretch detection, in particular to a stretch detection device for down jacket fabrics. Background Art

[0002] After weaving, down jacket fabrics usually need to be stretched using a detection device. In the prior art, the down jacket fabrics are simply fixed at both ends, and then stretched in the middle of the down jacket fabric. This stretching efficiency is low. In the invention patent with application number CN202310661536.7, a stretching detection device for down jacket fabrics is disclosed, including a base, on which a vertical plate is fixed, to avoid position shifting when the device performs stretching detection on the down jacket fabric, thereby negatively affecting the accuracy of the down jacket fabric detection results. By stretching both ends of the down jacket fabric, it helps to improve the working efficiency of the device in stretching detection of the down jacket fabric.

[0003] Although the device has the above advantages, it still has the following defects in actual use:

[0004] 1) When the device stretches the fabric, the clamping mechanisms on both sides need to move horizontally, resulting in a large footprint of the device in actual use. At the same time, the middle part of the fabric is stretched by lifting the plate, resulting in the stretching effect of the middle part not reaching the actual stretching effect, resulting in inaccurate test results;

[0005] 2) When the device performs stretch testing on fabrics, it does not provide actual testing measures, and there is no positive feedback on results such as fabric deformation. Manual testing is still required, which increases the actual testing work process, is time-consuming and labor-intensive, and reduces efficiency.

[0006] Therefore, it is necessary to solve the shortcomings of the existing devices. Summary of the invention

[0007] In view of the shortcomings of the prior art, the present invention provides a stretching detection device for down jacket fabrics, which solves the problems that the existing down jacket fabric stretching detection device increases the floor space when in use, and there is no positive feedback of the test results after stretching, and manual testing is still required, resulting in an increase in the actual detection work process, time-consuming and labor-intensive, and reduced efficiency.

[0008] To achieve the above objectives, the present invention is implemented through the following technical solutions: a stretch detection device for down jacket fabrics, comprising:

[0009] A base, the base is used to provide a detection station and support the fabric;

[0010] A stretching mechanism, the stretching mechanism is arranged on both sides of the outer surface of the base, the stretching mechanism comprises a rotating rod, the outer sleeve of the rotating rod is provided with two arc plates that fit each other, the outer surfaces of the two arc plates are provided with clamping grooves, the arc plates clamp the fabric through the clamping grooves, and wind and stretch the fabric by following the rotation of the rotating rod;

[0011] A clamping assembly, which is arranged outside the rotating rod and is used to clamp and fix the end of the fabric;

[0012] The detection component is arranged outside the arc plate and is used for detecting the stretching of the fabric.

[0013] Preferably, the outer surface of the rotating rod is penetrated and fixedly connected with a round roller, the outer surface of the round roller is fixedly connected with a fixed plate, the outer surface of the fixed plate is fixedly connected with a telescopic rod, the output end of the telescopic rod is movably connected with a fixed column, one end of the fixed column is fixedly connected to the outer surface of the arc plate, one end of the fixed column is provided with a slot, the inside of the slot is clamped with a block, the outer surface of the block is fixedly connected to the output end of the telescopic rod, both ends of the rotating rod are penetrated and rotatably connected with support plates, the outer surfaces of the support plates on both sides are fixedly connected to the outer surface of the base, the outer surface of the support plate on one side is fixedly connected with a winding motor, and the output end of the winding motor is fixedly connected to one end of the rotating rod via a coupling.

[0014] Preferably, the clamping assembly includes a connecting plate, which is T-shaped and fixedly connected to the outer surface of the round roller, the outer surface of the connecting plate is fixedly connected to a fixing strip, the outer surface of the connecting plate is movably connected to a clamping strip, the outer surface of the fixing strip is fixedly connected to a spring rod, the output end of the spring rod is slidably connected to the body of the fixing strip, and the output end of the spring rod is fixedly connected to the outer surface of the clamping strip.

[0015] Preferably, the body of the clamp strip is provided with a through hole, the interior of the through hole is movably connected with a needle, and one end of the needle is fixedly connected to the outer surface of the fixing strip.

[0016] Preferably, an abutment unit is provided on the outside of the clamping strip, and the abutment unit includes a worm wheel, the outer surface of the worm wheel is rotatably connected to the outer surface of the connecting plate, a pin rod is rotatably connected through the body of the worm wheel, one end of the pin rod is fixedly connected to the outer surface of the connecting plate, and the outer surface of the worm wheel is fixedly connected to the abutment strip, and the outer surface of the abutment strip abuts against the outer surface of the clamping strip.

[0017] Preferably, the outer surface of the worm wheel is meshed with a worm, the outer surface of the worm is penetrated by two fixed ears for rotation connection, the outer surfaces of the two fixed ears are fixedly connected to the outer surface of the connecting plate, the outer surface of the worm is penetrated by a rotating column for rotation connection, and the outer surface of the rotating column is provided with anti-slip grooves.

[0018] Preferably, the detection component includes a gantry, the gantry is arranged outside the arc plate, the outer surface of the gantry is fixedly connected to the outer surface of the base, the outer surface of the gantry is fixedly connected to a hanging rod, and the outer surface of the hanging rod is embedded and fixedly connected with a photosensitive strip.

[0019] Preferably, an I-shaped plate is slidably connected to the main body of the gantry, a baffle is movably connected to the outer surface of the I-shaped plate, the baffles are arranged in close contact, and a spotlight is fixedly connected to the main body of the baffle.

[0020] Preferably, a test unit is provided on the outside of the hanging rod, and the test unit includes a water tank, the outer surface of the water tank is provided on the outside of the gantry, and two air hoods are provided on the outside of the water tank, the interiors of the two air hoods are connected, and the interiors of the two air hoods are penetrated and fixedly connected with an air pipe, one end of the air pipe on one side is penetrated and connected with the interior of the water tank, and the outer surface of the air pipe on one side is penetrated and fixedly connected with a bracket, and the body of the bracket is penetrated and slidably connected with the body of the air pipe on the other side.

[0021] Preferably, the outer surface of the air pipe on the other side is provided with a compression spring, and the two ends of the compression spring are respectively fixedly connected to the outer surface of the air cover on the other side and the outer surface of the bracket, the outer surface of the water tank is fixedly connected to a linear motor, the outer surface of the linear motor is slidably connected to a slide rail, and the outer surface of the slide rail is fixedly connected to the outer surface of the base.

[0022] Beneficial Effects

[0023] The present invention provides a stretch detection device for down jacket fabrics. Compared with the prior art, the present invention has the following beneficial effects:

[0024] (1) By setting up a stretching mechanism, the arc plate is driven to rotate by a rotating rod, and the fabric can be stretched by winding on both sides, thereby reducing the size of the device and the footprint of the device. At the same time, the telescopic rod is extended and retracted, and the connection between the card block and the card slot is utilized, so that arc plates of different specifications can be replaced through the fixed column, so as to stretch fabrics of different specifications, thereby improving the use range of the device.

[0025] (2) By setting up a clamping component, using a needle to pierce the end of the fabric, and by fitting the clamping strip with the fixing strip, the clamping effect of the clamping groove on the fabric is improved, thereby facilitating the winding effect of the arc plate on the fabric and being able to intuitively reflect the state of the fabric after stretching.

[0026] (3) By setting up an abutment unit and utilizing the meshing of the worm and the worm wheel, the abutment strip is driven by a rotating column to rotate with the worm wheel, thereby pushing the clamping plate to move and clamp the fabric. At the same time, the self-locking function of the worm wheel and the worm can improve the stability of the clamping strip, thereby further improving the clamping stability of the fabric.

[0027] (4) By setting up a detection component and utilizing the contact between the hanging rod and the fabric, the fabric can be stretched when the arc plate is winding the fabric. At the same time, by utilizing the contact between the baffle and the fabric, and the interaction between the spotlight and the photosensitive strip, it is possible to detect whether the fabric curls up during stretching, thereby providing positive feedback, saving detection steps, and improving detection efficiency.

[0028] (5) By setting up a test unit and using a water tank to provide water vapor, the air permeability and waterproofness of the fabric are tested by measuring the flow of water vapor through the fabric inside the air hoods on both sides. By testing before and after stretching, positive feedback can be given to the stretching results of the fabric, thereby saving the testing process and improving the testing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a three-dimensional diagram of the external structure of the present invention;

[0030] Figure 2 It is a three-dimensional diagram of the external structure of the round roller of the present invention;

[0031] Figure 3 It is a three-dimensional diagram of the external structure of the connecting plate of the present invention;

[0032] Figure 4 It is a stereoscopic diagram of the external structure of the worm of the present invention;

[0033] Figure 5 It is a three-dimensional diagram of the external structure of the hanging rod of the present invention;

[0034] Figure 6 It is a three-dimensional diagram of the external structure of the water tank of the present invention.

[0035] In the figure: 1, base; 2, rotating rod; 3, clamping assembly; 31, connecting plate; 32, fixing strip; 33, clamping strip; 34, abutting unit; 341, worm gear; 342, pin rod; 343, abutting strip; 344, worm; 345, fixing ear; 346, rotating column; 35, spring rod; 36, through hole; 37, needle; 4, arc plate; 5, detection assembly; 51, gantry; 52, hanging rod; 53, Test unit; 531, water tank; 532, air hood; 533, air pipe; 534, bracket; 535, compression spring; 536, linear motor; 537, slide rail; 54, photosensitive strip; 55, I-shaped plate; 56, baffle; 57, spotlight; 6, clamping groove; 7, round roller; 8, fixing plate; 9, telescopic rod; 10, fixing column; 11, card slot; 12, card block; 13, support plate; 14, winding motor. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0037] See also Figure 1-6 The present invention provides a technical solution: a stretch detection device for down jacket fabrics:

[0038] Embodiment 1: Refer to the attached manual Figure 1 , Attachment Figure 2 ;

[0039] The invention comprises a base 1, the outside of which is provided with a stretching mechanism, the stretching mechanism comprising a rotating rod 2, the outside of which is provided with two mutually fitting arc plates 4, the two arc plates 4 being fitted together to form a cylinder, and arc plates 4 of different specifications are provided to perform winding and stretching tests on fabrics of different specifications, the outer surfaces of the two arc plates 4 are provided with clamping grooves 6, the clamping grooves 6 can clamp the end positions of the fabrics, the outer surface of the rotating rod 2 is penetrated and fixedly connected with a round roller 7, the round roller 7 can increase the contact area, the outer surface of the round roller 7 is fixedly connected with a fixed plate 8, the outer surface of the fixed plate 8 is fixedly connected with a telescopic rod 9, four telescopic rods 9 are arranged at equal angles, two adjacent pairs of arc plates 4 are supported, and the telescopic rods 9 are made of electric push rods, which are electrically connected to an external control circuit, and the output end of the telescopic rod 9 is movably connected to the outer surface of the rotating rod 2. A solid column 10 is connected, one end of the solid column 10 is fixedly connected to the outer surface of the arc plate 4, a slot 11 is opened at one end of the solid column 10, a block 12 is connected inside the slot 11, the block 12 is connected to the slot 11 to improve the stability of the telescopic rod 9 supporting the arc plate 4, and the block 12, the slot 11 and the solid column 10 are all set with fixed sizes, the outer surface of the block 12 is fixedly connected to the output end of the telescopic rod 9, both ends of the rotating rod 2 are penetrated and rotatably connected with support plates 13, the outer surfaces of the support plates 13 on both sides are fixedly connected to the outer surface of the base 1, and the outer surface of one side support plate 13 is fixedly connected to a winding motor 14, the winding motor 14 is made of a servo motor, and is electrically connected to an external control circuit, and the output end of the winding motor 14 is fixedly connected to one end of the rotating rod 2 through a coupling.

[0040] In this embodiment, the two arc plates 4 are fitted and sleeved on the outside of the rotating rod 2, and the telescopic rod 9 and the fixed column 10 are coaxially aligned. Then, the output end of the telescopic rod 9 extends to drive the card block 12 to enter the card slot 11, so that the telescopic rod 9 supports the arc plate 4. Then, the end of the fabric to be tested is placed in the clamping groove 6 on the arc plate 4 for clamping. Then, the winding motor 14 drives the arc plate 4 to rotate through the rotating rod 2 and the telescopic rod 9, and the two ends of the fabric are wound to achieve the stretching effect on the fabric.

[0041] Embodiment 2: Based on Embodiment 1, refer to the attached Figure 1 , Attachment Figure 3 ;

[0042] A clamping assembly 3 is provided on the outside of the rotating rod 2. The clamping assembly 3 includes a connecting plate 31. The connecting plate 31 is T-shaped and fixedly connected to the outer surface of the round roller 7. One side of the connecting plate 31 can provide a larger support area along the space between two adjacent telescopic rods 9. A fixed strip 32 is fixedly connected to the outer surface of the connecting plate 31. A clamping strip 33 is movably connected to the outer surface of the connecting plate 31. The clamping strip 33 can further clamp the end of the fabric through movement and interaction with the fixed strip 32. The outer surface of the fixed strip 32 is fixedly connected to a spring rod 35. The extension and retraction of the output end of the spring rod 35 can facilitate the resetting of the clamping strip 33, so as to facilitate the placement and removal of the end of the fabric. The output end of the spring rod 35 is slidably connected with the body of the fixing strip 32, and the output end of the spring rod 35 is fixedly connected with the outer surface of the clamping strip 33. The body of the clamping strip 33 is provided with a through hole 36. The interior of the through hole 36 is movably connected with a needle 37. The needle 37 can increase the contact area with the fabric and further improve the stability of clamping. One end of the needle 37 is fixedly connected with the outer surface of the fixing strip 32.

[0043] In this embodiment, the end of the fabric is placed on the surface of the fixing strip 32 after passing through the clamping groove 6, and the needle 37 pierces the fabric. Then the clamping strip 33 moves close to the fixing strip 32 and compresses the output end of the spring rod 35. The clamping of the end of the fabric is completed through the fitting of the clamping strip 33 and the fixing strip 32, thereby improving the stability of the fabric during winding. At the same time, when the output end of the spring rod 35 rebounds and the clamping strip 33 is reset, the fabric after the stretching test can be removed.

[0044] Embodiment 3: Based on Embodiment 2, refer to the attached Figure 3 , Attachment Figure 4 ;

[0045] The outside of the clamping strip 33 is provided with an abutment unit 34, which includes a worm gear 341. The outer surface of the worm gear 341 is rotatably connected to the outer surface of the connecting plate 31. The body of the worm gear 341 is rotatably connected with a pin rod 342. The pin rod 342 can improve the axial stability of the worm gear 341. One end of the pin rod 342 is fixedly connected to the outer surface of the connecting plate 31. The outer surface of the worm gear 341 is fixedly connected with an abutment strip 343. The abutment strip 343 moves with the worm gear 341. The clamping strip 33 can be pushed to move by changing its position. The outer surface of the abutment strip 343 abuts against the outer surface of the clamping strip 33. The outer surface of the worm gear 341 A worm 344 is meshed, and the combination of the worm 344 and the worm wheel 341 can drive the stop bar 343 to rotate, and the stability of the stop bar 343 is improved through the self-locking function. The outer surface of the worm 344 is penetrated by two fixed ears 345 for rotation connection. The connection between the fixed ears 345 and the worm 344 is provided with axial limiting measures and radial rotation damping measures to improve the stability of the worm 344. The outer surfaces of the two fixed ears 345 are fixedly connected to the outer surface of the connecting plate 31. The outer surface of the worm 344 is penetrated by a rotating column 346 for rotation. The rotating column 346 can facilitate the rotation of the worm 344, and the outer surface of the rotating column 346 is provided with anti-slip grooves.

[0046] In this embodiment, after the end of the fabric is placed on the fixing strip 32, the worm 344 is rotated by the rotating column 346, so that the worm wheel 341 drives the stop strip 343 to rotate, thereby pushing the clamping strip 33 to move closer to the fixing strip 32 through the stop strip 343 to complete the clamping of the end of the fabric.

[0047] Embodiment 4: Based on Embodiment 3, refer to the attached Figure 1 , Attachment Figure 5 ;

[0048] The arc plate 4 is provided with a detection component 5 on its outside. The detection component 5 includes a gantry 51. The gantry 51 is provided on the outside of the arc plate 4. The outer surface of the gantry 51 is fixedly connected to the outer surface of the base 1. The outer surface of the gantry 51 is fixedly connected to a hanging rod 52. The hanging rod 52 can achieve a stretching effect on the fabric when winding by contacting the fabric. The outer surface of the hanging rod 52 is embedded with a photosensitive strip 54. The photosensitive strip 54 is made of photosensitive material and is composed of a plurality of photosensitive elements arranged side by side. The resistance value thereof is changed by illumination, and the change of the coverage range of the fabric is detected by detecting the change. , it can detect whether the fabric curls up when stretched. The body of the gantry 51 is slidably connected with an I-shaped plate 55, and the outer surface of the I-shaped plate 55 is movably connected with a baffle 56. A plurality of baffles 56 are arranged in close contact with each other, and the sum of the widths of the plurality of baffles 56 is the same as the length of the hanging rod 52. By contacting or not with the fabric, the outside of the photosensitive strip 54 can be shielded, and when it is disconnected from the fabric, the spotlight 57 interacts with the photosensitive strip 54. The baffles 56 are close-fittingly arranged, and the body of the baffle 56 is fixedly connected with a spotlight 57, which is electrically connected to an external control circuit.

[0049] In this embodiment, when the fabric is clamped, the fabric is placed on the hanging rod 52 for loading, and the baffle 56 at the middle position is lifted and placed above the fabric. The baffles 56 on both sides shield the photosensitive strip 54. When the fabric curls up during stretching, the baffles 56 on both sides of the fabric are disconnected and lowered, so that the spotlights 57 carried by the baffles 56 are irradiated on the photosensitive strip 54. By checking whether the range of light received by the photosensitive strip 54 changes before and after stretching, it is possible to directly detect whether the fabric curls up during stretching and the amount of change can be known.

[0050] Embodiment 5: Based on Embodiment 4, refer to the attached Figure 1 , Attachment Figure 6 ;

[0051] A test unit 53 is arranged on the outside of the hanging rod 52. The test units 53 are arranged in multiple groups in a staggered manner so as to test the fabric before and after stretching respectively. The test unit 53 includes a water tank 531. The water tank 531 stores pure liquid water and is provided with a heating element or a high-frequency vibration element to generate water vapor by heating up by power or high-frequency vibration. The outer surface of the water tank 531 is arranged on the outside of the gantry 51. Two air hoods 532 are arranged on the outside of the water tank 531. The air hood 532 located at the top is provided with a humidity sensor and a stability sensor, which can test the air permeability, water permeability and thermal insulation of the fabric. The interiors of the two air hoods 532 are connected, and the interiors of the two air hoods 532 are penetrated and fixedly connected with an air pipe 533. The air pipe 533 on one side One end is connected with the interior of the water tank 531, the outer surface of the air pipe 533 on one side is penetrated and fixedly connected with a bracket 534, the body of the bracket 534 is penetrated and slidably connected with the body of the air pipe 533 on the other side, and the outer surface of the air pipe 533 on the other side is sleeved with a compression spring 535, and the compression spring 535 can facilitate the longitudinal adjustment of the upper air cover 532 to facilitate its contact with the top of the fabric, and the two ends of the compression spring 535 are respectively fixedly connected to the outer surface of the air cover 532 on the other side and the outer surface of the bracket 534, the outer surface of the water tank 531 is fixedly connected with a linear motor 536, the linear motor 536 is electrically connected to the external control circuit, the outer surface of the linear motor 536 is slidably connected with a slide rail 537, and the outer surface of the slide rail 537 is fixedly connected to the outer surface of the base 1.

[0052] In this embodiment, when testing the fabric, the linear motor 536 moves to drive the two air hoods 532 to move, wherein the lower one directly contacts the bottom of the fabric, and the upper one is above the top of the fabric by pushing upward and compressing the compression spring 535, and then contacts the top of the fabric by rebounding and resetting. Then water vapor is generated inside the water tank 531, and the water vapor is detected by a variety of sensors. The flow rate of the water vapor flowing from the lower air hood 532 into the upper air hood 532 is used to test the air permeability, water permeability and thermal insulation of the fabric after stretching, and the results before and after are compared, or the changes in the fabric after stretching.

[0053] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0054] 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 stretch detection device for down jacket fabrics, characterized in that: include A base (1), the base (1) being used to provide a detection station and to support the fabric; A stretching mechanism, the stretching mechanism is arranged on both sides of the outer surface of the base (1), the stretching mechanism comprises a rotating rod (2), the outer surface of the rotating rod (2) is provided with two arc plates (4) that fit each other, the outer surfaces of the two arc plates (4) are both provided with clamping grooves (6), the arc plates (4) clamp the fabric through the clamping grooves (6), and wind and stretch the fabric by following the rotation of the rotating rod (2); A clamping assembly (3), wherein the clamping assembly (3) is arranged outside the rotating rod (2) and is used to clamp and fix the end of the fabric; A detection component (5) is arranged outside the arc plate (4) and is used for detecting the stretching of fabric.

2. The stretch detection device for down jacket fabric according to claim 1, characterized in that: A round roller (7) is passed through and fixedly connected to the outer surface of the rotating rod (2); a fixed plate (8) is fixedly connected to the outer surface of the round roller (7); a telescopic rod (9) is fixedly connected to the outer surface of the fixed plate (8); a fixed column (10) is movably connected to the output end of the telescopic rod (9); one end of the fixed column (10) is fixedly connected to the outer surface of the arc plate (4); a clamping groove (11) is provided at one end of the fixed column (10); a clamping block (12) is clamped inside the clamping groove (11); the outer surface of the clamping block (12) is fixedly connected to the output end of the telescopic rod (9); both ends of the rotating rod (2) are passed through and rotatably connected to support plates (13); the outer surfaces of the support plates (13) on both sides are fixedly connected to the outer surface of the base (1); the outer surface of the support plate (13) on one side is fixedly connected to a winding motor (14); the output end of the winding motor (14) is fixedly connected to one end of the rotating rod (2) via a coupling.

3. The stretch detection device for down jacket fabric according to claim 2, characterized in that: The clamping assembly (3) comprises a connecting plate (31), the connecting plate (31) is T-shaped and fixedly connected to the outer surface of the round roller (7), the outer surface of the connecting plate (31) is fixedly connected to a fixing strip (32), the outer surface of the connecting plate (31) is movably connected to a clamping strip (33), the outer surface of the fixing strip (32) is fixedly connected to a spring rod (35), the output end of the spring rod (35) is slidably connected to the body of the fixing strip (32), and the output end of the spring rod (35) is fixedly connected to the outer surface of the clamping strip (33).

4. The stretch detection device for down jacket fabric according to claim 3, characterized in that: The body of the clamping strip (33) is provided with a through hole (36), the interior of the through hole (36) is movably connected with a pricking needle (37), and one end of the pricking needle (37) is fixedly connected to the outer surface of the fixing strip (32).

5. The stretch detection device for down jacket fabric according to claim 3, characterized in that: An abutment unit (34) is arranged outside the clamping strip (33), and the abutment unit (34) includes a worm wheel (341), the outer surface of the worm wheel (341) is rotatably connected to the outer surface of the connecting plate (31), a pin rod (342) is rotatably connected to the body of the worm wheel (341), one end of the pin rod (342) is fixedly connected to the outer surface of the connecting plate (31), and the outer surface of the worm wheel (341) is fixedly connected to an abutment strip (343), and the outer surface of the abutment strip (343) abuts against the outer surface of the clamping strip (33).

6. The stretch detection device for down jacket fabric according to claim 5, characterized in that: The outer surface of the worm wheel (341) is meshed with a worm (344), and the outer surface of the worm (344) is penetrated by two fixed ears (345) for rotation connection, and the outer surfaces of the two fixed ears (345) are fixedly connected to the outer surface of the connecting plate (31), and the outer surface of the worm (344) is penetrated by a rotating column (346) for rotation connection, and the outer surface of the rotating column (346) is provided with anti-slip grooves.

7. The stretch detection device for down jacket fabric according to claim 1, characterized in that: The detection component (5) comprises a gantry (51), wherein the gantry (51) is arranged outside the arc plate (4), the outer surface of the gantry (51) is fixedly connected to the outer surface of the base (1), the outer surface of the gantry (51) is fixedly connected to a hanging rod (52), and the outer surface of the hanging rod (52) is embedded and fixedly connected with a photosensitive strip (54).

8. The stretch detection device for down jacket fabric according to claim 7, characterized in that: The main body of the gantry (51) is penetrated and slidably connected with an I-shaped plate (55), the outer surface of the I-shaped plate (55) is movably connected with a baffle (56), the baffles (56) are arranged in close contact, and the main body of the baffle (56) is penetrated and fixedly connected with a spotlight (57).

9. The stretch detection device for down jacket fabric according to claim 7, characterized in that: A test unit (53) is arranged outside the hanging rod (52), and the test unit (53) includes a water tank (531). The outer surface of the water tank (531) is arranged outside the gantry (51). Two air hoods (532) are arranged outside the water tank (531). The interiors of the two air hoods (532) are connected. The interiors of the two air hoods (532) are both penetrated and fixedly connected with an air pipe (533). One end of the air pipe (533) on one side is penetrated and connected with the interior of the water tank (531). A bracket (534) is penetrated and fixedly connected to the outer surface of the air pipe (533) on one side. The body of the bracket (534) is penetrated and slidably connected with the body of the air pipe (533) on the other side.

10. The stretch detection device for down jacket fabric according to claim 9, characterized in that: The outer surface of the air pipe (533) on the other side is sleeved with a compression spring (535), and the two ends of the compression spring (535) are respectively fixedly connected to the outer surface of the air cover (532) on the other side and the outer surface of the bracket (534), and the outer surface of the water tank (531) is fixedly connected to a linear motor (536), and the outer surface of the linear motor (536) is slidably connected to a slide rail (537), and the outer surface of the slide rail (537) is fixedly connected to the outer surface of the base (1).

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