Medical non-woven fabric lint detection device

Abstract

The present invention discloses a medical non-woven fabric lint detection device, which belongs to the technical field of non-woven fabric lint detection. The device comprises a detector body, wherein the detector body comprises an operating cabinet and a twisting box arranged on one side of the operating cabinet. A twisting device for twisting and compressing a sample is installed in the twisting box. An air collector for collecting air during the test is arranged below the twisting device. A laser dust particle counter is arranged in the operating cabinet. One end of the air collector is connected to the laser dust particle counter through a hose. Through the provided shaking unit and the dialing unit, it is achieved that in the process of twisting and compressing the sample by the twisting device, the force storage member is gradually driven by the pushing member to store force, and the force is released during the recovery process. The sample shaking member is impacted by the impact part to move upward and collide with the recovered sample, thereby causing the particles in the fold gaps to be shaken out and then extracted.

Description

Technical Field

[0001] The present invention relates to the technical field of non-woven fabric fallen lint detection, in particular to a medical non-woven fabric fallen lint detection device. Background Art

[0002] Non-woven fabrics, also known as non-woven fabrics, needle-punched cotton, needle-punched non-woven fabrics, etc., are made of polyester fiber and polyester fiber. They are made through a needle-punching process and can be made into different thicknesses, feels, hardness, etc. In the production of non-woven fabrics, it is necessary to conduct lint detection on the non-woven fabrics after production as part of their performance testing.

[0003] The existing technology of falling fluff detectors often adopts dry falling fluff test detectors, which are performed by placing the sample to be tested on a twisting device in a twisting box, and then twisting, compressing and resetting the sample through the twisting device. During the process, air is extracted from the twisting box through an air collector, and the test results are evaluated by counting and classifying the particles in the air with a laser dust particle counter.

[0004] In actual operation, samples are prone to wrinkles and other deformations after being twisted and compressed. These deformations not only make it easier for particles to adhere to the gaps in the wrinkles and difficult to extract, but also because the sample is fixed on the twisting device in a cylindrical shape, despite the existence of air circulation conditions, a large portion of the particles generated in the sample cavity are still difficult to be effectively extracted by the air collector. This particle retention phenomenon will affect the accuracy of the test and thus affect the reliability of the final results. Summary of the Invention

[0005] The purpose of the present invention is to solve the problem that particles are easily attached to the gaps in the folds and are difficult to be extracted. In addition, since the sample is fixed on the twisting device in a cylindrical shape, although there are conditions for air circulation, a large part of the particles generated in the sample cavity are still difficult to be effectively extracted by the air collector. A medical non-woven fabric falling lint detection device is proposed.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions:

[0007] A medical non-woven fabric lint detection device includes a detector body, the detector body including an operating cabinet and a twisting box located on one side of the operating cabinet. The twisting box is equipped with a twisting device for twisting and compressing the sample. An air collector is located below the twisting device to collect air during the test. A laser dust particle counter is located in the operating cabinet, and one end of the air collector is connected to the laser dust particle counter via a hose. The twisting device includes a fixed sample holder and a movable sample holder.

[0008] The fixed sample seat and the movable sample seat are both equipped with claws for quickly clamping the sample. A shaking unit is provided in the middle of one end of the fixed sample seat through a central groove. Ventilation holes are provided on the fixed sample seat and the movable sample seat. A toggle unit for promoting air circulation is provided in the vent holes on the fixed sample seat.

[0009] The shaking unit includes a force storage part, one end of the moving sample seat is equipped with a pushing part for driving the force storage part to complete force storage, one end of the fixed sample seat is provided with a limiting slide groove, and a shaking sample part is slidably installed in the limiting slide groove. The force storage part contacts the shaking sample part through the impact part, so that the force storage part can impact the shaking sample part after storing and releasing force, so that the sample that recovers after twisting and compression is pushed against and shaken by the shaking sample part.

[0010] As a further description of the above technical solution:

[0011] The force storage member includes a slide seat slidably installed in the central groove, one end of the pushing member is adapted to the slide seat, a guide groove is provided on the inner wall of the central groove, and a guide block adapted to the guide groove is fixed on the outer wall of the slide seat, so that the slide seat can slide in the central groove along the guide groove, and a first spring is fixed to one side wall of the central groove, and one end of the first spring is fixed to the slide seat.

[0012] As a further description of the above technical solution:

[0013] The impact part is slidably installed in the limiting slide groove, the bottom of the inner wall of the limiting slide groove is fixed with a bottom block by a hexagon socket bolt, and a pull rope is fixed at the edge of the outer wall of the slide seat;

[0014] One end of the pull rope passes through the bottom block and enters the limiting sliding groove to be connected with the impact part. A second spring is fixed on the lower surface of the impact part, and one end of the second spring is connected to the bottom block.

[0015] As a further description of the above technical solution:

[0016] The shaking sample component includes a mounting seat that is slidably assembled in a limiting slide groove, the bottom of the mounting seat is in contact with the upper surface of the impact part, a shaking sample rod is fixed in the mounting seat by bolts, a third spring is fixed on the top wall of the limiting slide groove, and the bottom end of the third spring is connected to the mounting seat.

[0017] As a further description of the above technical solution:

[0018] The toggle unit includes a push-up tube threadedly connected to the vent hole, one end of the push-up tube is fixed with a fourth spring, and one end of the fourth spring is fixed with a piston adapted to the vent hole.

[0019] As a further description of the above technical solution:

[0020] A through groove connected to the guide groove is provided in the middle of the inner top wall of the vent hole, and a one-way pushing component for driving the piston to move inward along with the slide seat is installed in the through groove.

[0021] As a further description of the above technical solution:

[0022] The one-way pushing assembly includes a linkage rod fixed on the guide block, the top end of the linkage rod is rotatably connected to a push rod, and a first torsion spring is installed at the connection portion between the linkage rod and the push rod, so that the push rod can only rotate outward;

[0023] An extension block that matches the through groove is fixed to the bottom of the piston, and the bottom end of the extension block is rotatably connected to a push block. A second torsion spring is installed at the connection between the extension block and the push block, so that the push block can only rotate outward, and the outer side of the push block contacts the inner side of the push rod.

[0024] As a further description of the above technical solution:

[0025] A deep groove is formed on one side wall of the through groove, a fifth spring is fixed on the inner wall of the deep groove, and a top portion is fixed on one end of the fifth spring. The inner side of the top portion abuts against the outer side of the push rod, so that the push rod always remains in a vertical state during the front movement process.

[0026] As a further description of the above technical solution:

[0027] The twisting device also includes a front bracket and a rear bearing seat installed on both sides of the twisting box, a fixed shaft rod is fixed in the front bracket, a moving shaft rod is inserted into the rear bearing seat, one end of the fixed shaft rod inserted into the twisting box is fixed to the fixed sample seat, and the other end of the moving shaft rod inserted into the twisting box is fixed to the moving sample seat;

[0028] A motor is assembled in the operating cabinet through a bracket, a rocker is fixed to the output end of the motor, a shaft column is fixed to the bottom of one side of the rocker, a T-shaped slotted rod is sleeved on the outer surface of the shaft column, a connecting rod is fixed to one end of the T-shaped slotted rod, a sleeve rod is rotatably connected to the outer surface of the connecting rod, and one end of the sleeve rod passes through the operating cabinet and is fixed to the other end of the moving shaft rod;

[0029] The outer surface of the sleeve rod is sleeved with a retaining tube, and the retaining tube is provided with a track groove. A track column adapted to the track groove is fixed on the sleeve rod, so that the sleeve rod can rotate under the drive of the track groove when following the movement of the connecting rod.

[0030] As a further description of the above technical solution:

[0031] The clamping jaws include sliding sleeves, which are respectively slidably mounted on the fixed shaft and the movable shaft. A mounting ring is fixed to the edge of the other end of the fixed sample seat and the movable sample seat. A clamping piece is rotatably connected to the mounting ring through a seat with a hole. A third torsion spring is installed at both ends of the clamping piece connected to the seat with a hole, so that it can press against the clamping piece to clamp the sample.

[0032] A guide seat is fixed on the outside of the mounting ring, a guide rope is inserted into the guide seat, one end of the guide rope is connected to the clip, and the other end of the guide rope is connected to the sliding sleeve, so that the clip can be pulled up by the guide rope when the sliding sleeve slides outward.

[0033] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0034] By setting the shaking unit and the toggle unit, it is achieved that during the process of twisting and compressing the sample by the twisting device, the force storage member is gradually driven by the pushing member to store force, and released during the recovery process. The impact part impacts the sample shaking member, causing it to move upward and collide with the recovered sample, thereby causing the particles in the fold gaps to be shaken out and then extracted;

[0035] At the same time, during the process of accumulating force in the force accumulator, the one-way pushing component can push the piston to move synchronously outward in the vent hole in the fixed sample seat, and compress the fourth spring to store force. During the movement, the air in the hole can be pushed to flow outward at an accelerated rate, thereby promoting the flow of air in the box, so that the particles can be effectively extracted. After the fourth spring completes the accumulation of force and the push block and the push rod are no longer in contact, the fourth spring pushes the piston to move quickly inward, thereby quickly pushing the air in the hole into the restored sample cavity, promoting the flow of air in the cavity, so that the air in the cavity can flow faster to the vent hole on the moving sample seat, so that the particles in the cavity can be effectively extracted.

[0036] When used together, the particles in the fold gaps and the particles in the sample cavity can be effectively extracted, ensuring the accuracy of the detection and the reliability of the final results. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 It shows a schematic diagram of the overall structure of the first viewing angle provided by an embodiment of the present invention;

[0038] Figure 2 It shows a schematic structural diagram of a partially cut-away sample holder provided in an embodiment of the present invention;

[0039] Figure 3 The embodiment of the present invention provides Figure 2 Enlarged view of point A in the middle;

[0040] Figure 4A schematic diagram of the planar structure of a sample fixing base provided in an embodiment of the present invention is shown;

[0041] Figure 5 It shows a schematic structural diagram of a first viewing angle after the clamping jaws are opened according to an embodiment of the present invention;

[0042] Figure 6 The embodiment of the present invention provides Figure 5 Enlarged view of point B in the middle;

[0043] Figure 7 It shows a schematic structural diagram of a second viewing angle after the clamping jaws are opened according to an embodiment of the present invention;

[0044] Figure 8 A schematic structural diagram of a first viewing angle of a twisting device provided by an embodiment of the present invention is shown;

[0045] Figure 9 A schematic structural diagram of a second viewing angle of a twisting device provided by an embodiment of the present invention is shown;

[0046] Figure 10 It shows a schematic structural diagram of a clamping jaw provided according to an embodiment of the present invention;

[0047] Figure 11 A schematic diagram of the overall structure of a second viewing angle provided according to an embodiment of the present invention is shown.

[0048] Legend:

[0049] 10. Detector body; 11. Operation cabinet; 12. Twist box; 13. Air collector;

[0050] 20. Twisting device; 21. Rear bearing seat; 22. Fixed sample seat; 23. Moving sample seat; 24. Ventilation hole; 25. Center slot; 26. Through slot; 27. Rocker; 28. Connecting rod; 29. Sleeve rod; 210. Track slot; 211. Track column;

[0051] 30. Clamping jaw; 31. Sliding sleeve; 32. Mounting ring; 33. Clip; 34. Guide seat; 35. Guide rope;

[0052] 40. Shaking unit; 41. Force storage member; 411. Slide; 412. Guide groove; 413. Guide block; 414. First spring; 415. Impact part; 416. Pull rope; 417. Second spring; 42. Limiting slide; 43. Shaking sample member; 431. Mounting seat; 432. Bolt; 433. Shaking sample rod; 434. Third spring; 44. Pushing member; 45. Bottom block;

[0053] 50. Toggle unit; 51. Push tube; 52. Fourth spring; 53. Piston; 54. One-way push assembly; 541. Linkage rod; 542. Push rod; 543. First torsion spring; 544. Extension block; 545. Push block; 546. Fifth spring; 547. Push top. DETAILED DESCRIPTION

[0054] The following will provide a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0055] like Figure 1 - Figure 11 As shown, the present invention provides:

[0056] The medical non-woven fabric lint detection device includes a detector body 10, which includes an operating cabinet 11 and a twisting box 12 arranged on one side of the operating cabinet 11. The twisting box 12 is an anti-static organic glass box. The twisting box 12 is equipped with a twisting device 20 for twisting and compressing the sample. An air collector 13 for collecting air during the test is provided below the twisting device 20. A laser dust particle counter is provided in the operating cabinet 11, and one end of the air collector 13 is connected to the laser dust particle counter through a hose.

[0057] like Figure 1 、 Figure 8 、 Figure 9 and Figure 11 As shown, the twisting device 20 includes a fixed sample seat 22 and a dynamic sample seat 23, and the twisting device 20 also includes a front bracket and a rear bearing seat 21 installed on both sides of the twisting box 12. A fixed shaft rod is fixed in the front bracket, and a dynamic shaft rod is inserted into the rear bearing seat 21. One end of the fixed shaft rod that penetrates into the twisting box 12 is fixed to the fixed sample seat 22, and one end of the dynamic shaft rod that penetrates into the twisting box 12 is fixed to the dynamic sample seat 23. A motor is assembled with a bracket in the operating cabinet 11, and a rocker 27 is fixed to the output end of the motor. A shaft column is fixed to the bottom of one side of the rocker 27, and the outer surface of the shaft column is provided with a T-shaped belt groove rod. The T-shaped belt A connecting rod 28 is fixed to one end of the slot rod, and a sleeve rod 29 is rotatably connected to the outer surface of the connecting rod 28. It is worth noting that after the sleeve rod 29 is rotatably connected to the outer surface of the connecting rod 28, it will always move with the connecting rod 28. One end of the sleeve rod 29 passes through the operating cabinet 11 and is fixed to the other end of the dynamic shaft rod. A retaining tube is sleeved on the outer surface of the sleeve rod 29, and a track groove 210 is opened on the retaining tube. A track column 211 adapted to the track groove 210 is fixed on the sleeve rod 29, so that the sleeve rod 29 can rotate under the drive of the track groove 210 when following the movement of the connecting rod 28;

[0058] Specifically, after the motor is started, it drives the rocker 27 to rotate, and then drives the shaft column to rotate, so that the T-shaped grooved rod moves back and forth with the connecting rod 28, and the sleeve rod 29 moves with it. During the movement, the track column 211 rotates the sleeve rod 29 on the surface of the connecting rod 28 under the guidance of the track groove 210, and rotation and resetting are achieved during the reciprocating movement.

[0059] like Figure 5 、 Figure 7 and Figure 10 As shown, both the fixed sample stand 22 and the movable sample stand 23 are equipped with clamping claws 30 for quickly clamping the sample;

[0060] The clamping jaw 30 includes a sliding sleeve 31, which is respectively slidably mounted on the fixed shaft and the movable shaft. A mounting ring 32 is fixed to the edge of the other end of the fixed sample seat 22 and the movable sample seat 23. A clamping piece 33 is rotatably connected to the mounting ring 32 through a hole seat. A third torsion spring is installed at both ends of the clamping piece 33 connected to the hole seat so that it can push against the clamping piece 33 to clamp the sample. A guide seat 34 is fixed to the outside of the mounting ring 32. A guide rope 35 is inserted into the guide seat 34. One end of the guide rope 35 is connected to the clamping piece 33. The other end of the guide rope 35 is connected to the sliding sleeve 31, so that when the sliding sleeve 31 slides outward, the clip 33 can be pulled up by the guide rope 35. The fixed shaft rod and the movable shaft rod are both provided with a deep groove, and a hemispherical column is fixed inside the deep groove by a spring. The sliding sleeve 31 is provided with a slot adapted to the hemispherical column. When the sliding sleeve 31 slides to one side until the clip 33 flips upward, the hemispherical column is engaged in the slot under the action of the spring, thereby driving the sliding sleeve 31 to fix its position, so that the clip 33 remains in this state.

[0061] Specifically, in the initial state, the clamping piece 33 is opened upward. At this time, the two ends of the cylindrical medical non-woven fabric sample are respectively placed on the fixed sample seat 22 and the movable sample seat 23. Then, the hemispherical column is pressed downward to retract it inward. At this time, the restriction on the sliding sleeve 31 is released, and then the sliding sleeve 31 is pushed to slide to the side close to the fixed sample seat 22 and the movable sample seat 23, so that the clamping piece 33 gradually rotates to a horizontal state under the action of the third torsion spring, presses against the surface of the sample, and clamps it, so that when the motor is started, the sample can be twisted and compressed during the movement and rotation of the sleeve rod 29.

[0062] like Figure 2 and Figure 4 As shown, the middle part of one end of the sample holder 22 is equipped with a shaking unit 40 by opening a central groove 25;

[0063] The shaking unit 40 includes a force storage member 41, and one end of the moving sample seat 23 is equipped with a pushing member 44 for driving the force storage member 41 to complete force storage. A limiting slide groove 42 is provided at one end of the fixed sample seat 22, and a shaking sample member 43 is slidably assembled in the limiting slide groove 42. The force storage member 41 contacts the shaking sample member 43 through the impact part 415, so that the force storage member 41 can impact the shaking sample member 43 after storing and releasing force, so that the sample that recovers after distortion and compression is pushed against and shaken by the shaking sample member 43. Preferably, the pushing member 44 is an electric push rod.

[0064] like Figure 2 、 Figure 3 、 Figure 4 and Figure 6 As shown, the force storage member 41 includes a slide 411 slidably mounted in the center groove 25, one end of the push member 44 is adapted to the slide 411, a guide groove 412 is formed on the inner wall of the center groove 25, and a guide block 413 adapted to the guide groove 412 is fixed to the outer wall of the slide 411, so that the slide 411 can slide in the center groove 25 along the guide groove 412. A first spring 414 is fixed to one side wall of the center groove 25, and one end of the first spring 414 is fixed to the slide 411;

[0065] The striking portion 415 is slidably mounted in the limiting slide groove 42. A bottom block 45 is fixed to the bottom of the inner wall of the limiting slide groove 42 by a hexagon socket bolt. A pull rope 416 is fixed to the edge of the outer wall of the slide seat 411. One end of the pull rope 416 passes through the bottom block 45 and into the limiting slide groove 42 to connect with the striking portion 415. A second spring 417 is fixed to the lower surface of the striking portion 415. One end of the second spring 417 is connected to the bottom block 45.

[0066] Specifically, in the process of the movable sample seat 23 moving toward the side of the fixed sample seat 22, the pushing member 44 at its center gradually contacts the slide 411 and pushes it to move inward. During the movement, the first spring 414 is compressed, and at the same time, the impact part 415 is pulled downward by the pull rope 416, and the second spring 417 is driven to compress and accumulate force. In the process of the movable sample seat 23 returning to its original position, the pushing member 44 is separated from the slide 411. At this time, the slide 411 is returned to its original position under the drive of the first spring 414. During the process, the potential energy accumulated in the second spring 417 is released, thereby driving the impact part 415 to move upward and impact the mounting seat 431.

[0067] like Figure 2 、 Figure 3 and Figure 6As shown, the sample shaking member 43 includes a mounting seat 431 slidably assembled in the limiting slide groove 42. The bottom of the mounting seat 431 contacts the upper surface of the impact portion 415. A sample shaking rod 433 is fixed in the mounting seat 431 by a bolt 432. Preferably, the sample shaking rod 433 is made of plastic and can automatically recover after being twisted. A third spring 434 is fixed to the top wall of the limiting slide groove 42. The bottom end of the third spring 434 is connected to the mounting seat 431.

[0068] Specifically, during the torsion and compression of the sample, the shaking rod 433 can adaptively deform, and after the sample is restored, the shaking rod 433 is restored under the action of its own toughness, so that when the impact part 415 moves upward to impact the mounting seat 431, the mounting seat 431 will also be driven to move upward, and the shaking rod 433 will be driven to move upward and shake at the same time, which can collide with the sample during its recovery process, causing it to shake and shake off the particles in the folds and gaps.

[0069] like Figure 2 、 Figure 3 and Figure 4 As shown, both the fixed sample seat 22 and the movable sample seat 23 are provided with ventilation holes 24, and the ventilation holes 24 on the fixed sample seat 22 are equipped with a toggle unit 50 for promoting air circulation;

[0070] The toggle unit 50 includes a push-up tube 51 threadedly connected to the vent hole 24 , a fourth spring 52 is fixed to one end of the push-up tube 51 , and a piston 53 adapted to the vent hole 24 is fixed to one end of the fourth spring 52 ;

[0071] Specifically, the inner cavity of the push-up tube 51 is gradually reduced in size, so that when the piston 53 moves toward one side of the push-up tube 51 , it can push the air through the inner cavity of the push-up tube 51 to flow outward in an accelerated manner.

[0072] like Figure 2 、 Figure 3 and Figure 4 As shown, a through groove 26 connected to the guide groove 412 is formed in the middle of the top wall of the vent hole 24. A one-way pushing component 54 is installed in the through groove 26 for driving the piston 53 to move inward along with the slide 411.

[0073] The one-way push assembly 54 includes a linkage rod 541 fixed to the guide block 413. The top end of the linkage rod 541 is rotatably connected to a push rod 542. A first torsion spring 543 is installed at the connection between the linkage rod 541 and the push rod 542, so that the push rod 542 can only rotate outward.

[0074] An extension block 544 is fixed to the bottom of the piston 53 and is adapted to fit within the through-slot 26. A push block 545 is rotatably connected to the bottom end of the extension block 544. A second torsion spring is installed at the connection between the extension block 544 and the push block 545, which allows the push block 545 to rotate only outward. The outer side of the push block 545 contacts the inner side of the push rod 542.

[0075] A deep groove is formed on one side wall of the through groove 26, and a fifth spring 546 is fixed to the inner wall of the deep groove. Preferably, a telescopic rod is provided inside the fifth spring 546 so that the fifth spring 546 can be expanded or compressed in a straight line. An abutment portion 547 is fixed to one end of the fifth spring 546, and the inner side of the abutment portion 547 abuts against the outer side of the push rod 542, so that the push rod 542 always remains in a vertical state during the front movement process.

[0076] Specifically, when the push member 44 pushes the slide 411 to move inward, the compressed fifth spring 546 gradually expands and drives the abutting portion 547 to abut the push rod 542, so that it remains in a vertical state. In this state, the push rod 542 cannot move outward. In this state, when the push rod 542 moves, it pushes the push block 545 to move together. Since the push block 545 cannot rotate inward under the drive of the second torsion spring, when the push block 545 moves, it drives the extension block 544 and the piston 53 to move inward. When the piston 53 moves inward, it drives the fourth spring 52 to be compressed and accumulate force. At the same time, when it moves inward, it also pushes the air to flow outward at an accelerated rate.

[0077] As the distance the slide 411 moves inward increases, the fifth spring 546 gradually fully expands. When it is fully expanded, the force exerted on the push rod 542 by the abutment top 547 is less than the reaction of the push block 545, so that when the movement continues, the push block 545 gradually pushes the push rod 542 to rotate outward, thereby gradually releasing the restriction on the push block 545. At this time, driven by the compressed fourth spring 52, the piston 53 is quickly reset, thereby pushing the air in the vent 24 to quickly enter the sample cavity, thereby accelerating the flow of air in the cavity, so that the particles in the cavity can follow the air and quickly flow into the box through the vent 24 on the sample moving seat 23, so that the particles in the cavity can also be effectively extracted;

[0078] During the reset process of the slide 411, since the push rod 542 cannot rotate inward, while the push block 545 can rotate outward, the push rod 542 pushes the push block 545 to rotate outward during the process of the push rod 542 following the slide 411 to move to the initial position, so that the push rod 542 gradually moves back to the outside of the push block 545 and abuts against the top portion 547, and the push block 545 also recovers from the inclined state to the vertical state under the action of the second torsion spring. It is worth noting that in the initial state, the elastic force of the fifth spring 546 in the compressed state is less than the elastic force of the first spring 414 in the normal state, so in the initial state, the slide 411 can be maintained in this position.

[0079] Specifically, when the medical non-woven fabric falling lint detection device is working / in use:

[0080] First, open the twisting box 12, and place the two ends of the cylindrical medical non-woven fabric sample on the surfaces of the fixed sample seat 22 and the movable sample seat 23 respectively. Then, push the sliding sleeve 31 to slide toward the side close to the fixed sample seat 22 and the movable sample seat 23, so that the clamping piece 33 gradually rotates to a horizontal state under the action of the third torsion spring, abuts against the surface of the sample, clamps it, and closes the twisting box 12 after clamping and fixing it.

[0081] Then, the motor is started to drive the rocker 27 to rotate, which in turn drives the shaft column to rotate, so that the T-shaped grooved rod and the connecting rod 28 move back and forth together, and the sleeve rod 29 moves along with it. During the movement, the track column 211, guided by the track groove 210, causes the sleeve rod 29 to rotate on the surface of the connecting rod 28, thereby twisting and compressing the sample.

[0082] During the compression process, as the movable sample seat 23 moves toward the side of the fixed sample seat 22, the pushing member 44 at the center thereof gradually contacts the slide 411 and pushes it to move inward, compressing the first spring 414 during the movement, and at the same time pulling the impact portion 415 downward through the pull rope 416, and driving the second spring 417 to compress and store force. During the resetting process of the movable sample seat 23, the pushing member 44 separates from the slide 411. At this time, the slide 411 is reset under the drive of the first spring 414. During the process, the potential energy accumulated in the second spring 417 is released, and then drives the impact portion 415 to move upward, hits the mounting seat 431, drives the mounting seat 431 to move upward, and drives the sample shaking rod 433 to move upward and shake at the same time, which can collide with the sample during the recovery process, causing it to shake, and can shake off particles in the fold gaps;

[0083] At the same time, during the compression process, the slide 411 drives the push rod 542 to move, which in turn pushes the push block 545 to move together. However, since the push block 545 cannot rotate inward under the drive of the second torsion spring, the push block 545 drives the extension block 544 and the piston 53 to move inward. When the piston 53 moves inward, it compresses the fourth spring 52 to accumulate force. At the same time, when it moves inward, it also pushes the air to flow outward at an accelerated rate.

[0084] As the distance the slide 411 moves inward increases, the restriction on the push block 545 is gradually released. At this time, driven by the fourth spring 52 in the compressed state, the piston 53 is quickly reset, thereby pushing the air in the vent 24 to quickly enter the cavity of the sample, thereby accelerating the flow of air in the cavity, so that the particles in the cavity can follow the air and quickly flow into the box through the vent 24 on the moving sample seat 23, so that the particles in the cavity can also be effectively extracted through the air collector 13, and finally the detection is completed by the laser dust particle counter.

[0085] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A medical non-woven fabric lint detection device, comprising a detector body (10), the detector body (10) comprising an operating cabinet (11) and a twisting box (12) provided on one side of the operating cabinet (11), the twisting box (12) being equipped with a twisting device (20) for twisting and compressing a sample, an air collector (13) for collecting air during a test being provided below the twisting device (20), a laser dust particle counter being provided in the operating cabinet (11), one end of the air collector (13) being connected to the laser dust particle counter via a hose, and characterized in that: The twisting device (20) comprises a fixed sample seat (22) and a movable sample seat (23); The fixed sample seat (22) and the movable sample seat (23) are both equipped with a clamping claw (30) for quickly clamping the sample, and a shaking unit (40) is provided in the middle of one end of the fixed sample seat (22) by opening a central groove (25). The fixed sample seat (22) and the movable sample seat (23) are both provided with a vent hole (24), and a toggle unit (50) for promoting air circulation is installed in the vent hole (24) on the fixed sample seat (22); The shaking unit (40) includes a force storage member (41), one end of the movable sample seat (23) is equipped with a pushing member (44) for driving the force storage member (41) to complete force storage, one end of the fixed sample seat (22) is provided with a limiting slide groove (42), and a shaking sample member (43) is slidably installed in the limiting slide groove (42), and the force storage member (41) contacts the shaking sample member (43) through the impact portion (415), so that the force storage member (41) can impact the shaking sample member (43) after storing and releasing force, so that the sample that recovers after being twisted and compressed is pushed against and shaken by the shaking sample member (43); The force storage member (41) includes a slide seat (411) slidably mounted in the central groove (25), one end of the push member (44) is matched with the slide seat (411), a guide groove (412) is provided on the inner wall of the central groove (25), and a guide block (413) matched with the guide groove (412) is fixed on the outer wall of the slide seat (411), so that the slide seat (411) can slide in the central groove (25) along the guide groove (412), and a first spring (414) is fixed on a side wall of the central groove (25), and one end of the first spring (414) is fixed to the slide seat (411); The impact part (415) is slidably installed in the limiting slide groove (42), the bottom of the inner wall of the limiting slide groove (42) is fixed with a bottom block (45) by a hexagon socket bolt, and a pull rope (416) is fixed at the edge of the outer wall of the slide seat (411); One end of the pull rope (416) passes through the bottom block (45) and enters the limiting sliding groove (42) to be connected to the impact part (415). A second spring (417) is fixed to the lower surface of the impact part (415), and one end of the second spring (417) is connected to the bottom block (45).

2. The medical non-woven fabric falling lint detection device according to claim 1, characterized in that: The shaking sample member (43) includes a mounting seat (431) slidably assembled in the limiting slide groove (42), the bottom of the mounting seat (431) contacts the upper surface of the impact portion (415), a shaking sample rod (433) is fixed in the mounting seat (431) by a bolt (432), a third spring (434) is fixed on the top wall of the limiting slide groove (42), and the bottom end of the third spring (434) is connected to the mounting seat (431).

3. The medical non-woven fabric falling lint detection device according to claim 1, characterized in that: The toggle unit (50) comprises a push-up tube (51) threadedly connected to the vent hole (24), a fourth spring (52) being fixed to one end of the push-up tube (51), and a piston (53) adapted to the vent hole (24) being fixed to one end of the fourth spring (52).

4. The medical non-woven fabric falling lint detection device according to claim 3, characterized in that: A through groove (26) connected to the guide groove (412) is provided in the middle of the inner top wall of the vent hole (24). A one-way pushing component (54) is installed in the through groove (26) for driving the piston (53) to move inward along with the slide seat (411).

5. The medical non-woven fabric falling lint detection device according to claim 4, characterized in that: The one-way pushing assembly (54) includes a linkage rod (541) fixed on the guide block (413); the top end of the linkage rod (541) is rotatably connected to a push rod (542); a first torsion spring (543) is installed at the connection portion between the linkage rod (541) and the push rod (542), so that the push rod (542) can only rotate outward; An extension block (544) adapted to the through groove (26) is fixed to the bottom of the piston (53), and a push block (545) is rotatably connected to the bottom end of the extension block (544). A second torsion spring is installed at the connection portion between the extension block (544) and the push block (545), so that the push block (545) can only rotate outward, and the outer side of the push block (545) contacts the inner side of the push rod (542).

6. The medical non-woven fabric falling lint detection device according to claim 5, characterized in that: A depth groove is provided on one side wall of the through groove (26), and a fifth spring (546) is fixed on the inner wall of the depth groove. A stopper (547) is fixed to one end of the fifth spring (546), and the inner side of the stopper (547) abuts against the outer side of the push rod (542), so that the push rod (542) always remains in a vertical state during the front movement process.

7. The medical nonwoven fabric falling lint detection device according to claim 1, characterized in that: The twisting device (20) further comprises a front bracket and a rear bearing seat (21) mounted on both sides of the twisting box (12), a fixed shaft rod being fixed in the front bracket, a moving shaft rod being inserted into the rear bearing seat (21), one end of the fixed shaft rod penetrating into the twisting box (12) being fixed to the fixed sample seat (22), and one end of the moving shaft rod penetrating into the twisting box (12) being fixed to the moving sample seat (23); A motor is assembled in the operating cabinet (11) through a bracket, a rocker (27) is fixed to the output end of the motor, a shaft column is fixed to the bottom of one side of the rocker (27), the outer surface of the shaft column is sleeved with a T-shaped grooved rod, one end of the T-shaped grooved rod is fixed with a connecting rod (28), the outer surface of the connecting rod (28) is rotatably connected to a sleeve rod (29), one end of the sleeve rod (29) passes through the operating cabinet (11) and is fixed to the other end of the moving shaft rod; The outer surface of the sleeve rod (29) is sleeved with a retaining tube, and a track groove (210) is formed on the retaining tube. A track column (211) adapted to the track groove (210) is fixed on the sleeve rod (29), so that the sleeve rod (29) can rotate under the drive of the track groove (210) when following the movement of the connecting rod (28).

8. The medical nonwoven fabric falling lint detection device according to claim 7, characterized in that: The clamping jaw (30) includes a sliding sleeve (31), and the sliding sleeve (31) is respectively slidably mounted on the fixed shaft rod and the movable shaft rod. A mounting ring (32) is fixed at the edge of the other end of the fixed sample seat (22) and the movable sample seat (23). A clamping piece (33) is rotatably connected to the mounting ring (32) through a seat with a hole. A third torsion spring is installed at both ends of the clamping piece (33) connected to the seat with a hole, so that the clamping piece (33) can press against the clamping piece (33) to clamp the sample. A guide seat (34) is fixed on the outside of the mounting ring (32), and a guide rope (35) is inserted into the guide seat (34). One end of the guide rope (35) is connected to the clip (33), and the other end of the guide rope (35) is connected to the sliding sleeve (31), so that when the sliding sleeve (31) slides outward, the clip (33) can be pulled up by the guide rope (35).

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