A modified high-stability PA production system based on pretreatment components

Abstract

The present invention relates to the field of plastic production, and provides a modified high-stability PA production system based on a pretreatment component, including a pretreatment system, a polymerization system, a spinning system, a processing and molding system, and a detection system arranged in sequence from front to back according to the process flow, wherein the detection system includes a base, a main plate, a wear resistance detection component, and a drive component, wherein the main plate is fixedly connected to the top wall of the base; the wear resistance detection component includes a displacement seat and a mounting plate, wherein a friction seat 1 and a friction seat 2 are connected to the mounting plate, and the bottom wall of the friction seat 1 and the top wall of the friction seat 2 are both provided with friction surfaces; the drive component includes a motor, a transmission disc, and a rotating wheel, wherein the motor is fixedly connected to the main plate, the rotating wheel is rotatably connected to the transmission disc, the rotating wheel is slidably connected to the inner wall of the transmission channel, and the transmission disc is fixedly connected to the output shaft of the motor. The present invention enables the friction surfaces of the friction seat 1 and the friction seat 2 to rub against the PA finished product, thereby performing wear resistance detection on the PA finished product, without the need for manual friction, thus saving manpower.

Description

Technical Field

[0001] The invention relates to the technical field of plastic production, and in particular to a modified high-stability PA production system based on a pretreatment component. Background Art

[0002] PA, the full name of which is polyamide, commonly known as nylon, is a thermoplastic resin containing repeated amide groups on the main chain of the molecule. PA material occupies an important position in the field of engineering plastics due to its excellent mechanical properties, heat resistance, wear resistance, chemical resistance and self-lubrication. The production of PA has multiple processes, and the finished product needs to be tested after it is completed.

[0003] The current PA finished product testing includes the wear resistance test, but the current wear resistance test is usually performed manually by using a friction tool to rub the surface of the PA finished product for a period of time, and then observing the appearance of the PA finished product to determine whether its wear resistance is qualified. This method is time-consuming and labor-intensive. Summary of the invention

[0004] In view of the above technical problems, the present invention aims to provide a modified high-stability PA production system based on a pretreatment component. To solve the above technical problems, the present invention adopts the following technical solutions:

[0005] A modified high-stability PA production system based on a pretreatment component, comprising a pretreatment system, a polymerization system, a spinning system, a processing and forming system and a detection system arranged in sequence from front to back according to the process flow, wherein the detection system comprises a base, a main plate, a wear resistance detection component and a driving component, wherein the main plate is fixedly connected to the top wall of the base;

[0006] The wear resistance detection component includes a displacement seat and a mounting plate. The displacement seat is slidably connected to the main plate, the mounting plate is fixed to the main plate, the bottom wall of the displacement seat is fixedly connected to an extension plate, a transmission channel is provided on the extension plate, a seat channel is provided on the displacement seat, two fixed components are connected to the displacement seat, the fixed component includes an L-shaped plate 1, a fixed seat, a pressure block, a slider and a cylinder, the L-shaped plate 1 is fixedly connected to the displacement seat, the fixed seat is fixedly connected to a vertical section of the L-shaped plate, a fixed groove is provided on the fixed seat, and the slider is slidably connected to the L-shaped plate On a horizontal section, the pressure block is fixedly connected to the slider, the cylinder is fixedly connected to a horizontal section of the L-shaped plate, the slider is fixedly connected to the piston rod of the cylinder, an extension plate and a second friction seat are fixedly connected to the mounting plate, a threaded rod is rotatably connected to the extension plate, a turning handle is fixedly connected to the upper end of the threaded rod, a friction seat 1 is slidably connected to the mounting plate, a threaded hole is provided on the friction seat 1, the threaded rod is threadedly connected to the inner wall of the threaded hole, the friction seat 1 and the friction seat 2 are both extended into the seat channel, and the bottom wall of the friction seat 1 and the top wall of the friction seat 2 are both provided with friction surfaces;

[0007] The driving assembly includes a motor, a transmission disc and a rotating wheel. The motor is fixed to the main plate, the rotating wheel is rotatably connected to the transmission disc, the rotating wheel is slidably connected to the inner wall of the transmission channel, and the transmission disc is fixed to the output shaft of the motor.

[0008] Optionally, a corrosion resistance testing mechanism is connected to the main plate, and the corrosion resistance testing mechanism includes a worm gear, a liquid transfer device and a liquid storage tank. The worm gear is fixedly connected to the transmission disk, and the liquid transfer device is fixedly connected to the main plate. A liquid outlet main pipe and a hose are fixedly connected to the liquid transfer device. The liquid outlet main pipe is fixedly connected to the second friction seat, and more than two branch pipes are fixedly connected to the liquid outlet main pipe, one end of the branch pipe is connected to the top wall of the second friction seat, and the liquid storage tank is connected to the top wall of the base. A liquid storage cavity is opened on the liquid storage tank, and the hose extends into the liquid storage cavity. An impeller assembly is rotatably connected in the liquid transfer device, and an accelerator is fixedly connected to the bottom wall of the liquid transfer device. The output shaft of the accelerator is fixedly connected to the impeller assembly, and a worm is fixedly connected to the input shaft of the accelerator, and the worm and the worm gear are meshed.

[0009] Optionally, the liquid storage tanks are provided with two, both of which are slidably connected to the top wall of the base, the two liquid storage tanks are fixedly connected, the bottom wall of one of the liquid storage tanks is inlaid with a permanent magnet 1, the top walls of the two liquid storage tanks are connected with transmission teeth, the transmission disk is fixed with incomplete teeth, the hose extends into one of the liquid storage cavities, and the top wall of the base is provided with a transmission groove;

[0010] The corrosion resistance testing mechanism also includes a transmission rod, a lifting bar, a connector, a fixing plate, an automatic wire take-up device and a pressing plate. The transmission rod is fixedly connected to the transmission disk, the lifting bar is slidably connected to the side wall of the transmission groove, the lifting bar is fixedly connected to the bottom wall of the transmission groove through an elastic member 1, the top wall of the lifting bar is fixedly connected with permanent magnets 2 and 3, the bottom wall of the lifting bar is fixedly connected with a connecting card, the side wall of the lifting bar is fixedly connected with a supporting seat, the supporting seat is slidably connected to the side wall of the transmission groove, the supporting seat extends to the top of the base, the connector is fixedly connected to the bottom wall of the transmission groove, a connecting groove is provided on the connector, and a press-type elastic member adapted to the connecting card is provided in the connecting groove. The invention discloses a self-locking mechanism, wherein the automatic wire take-up is fixedly connected to the top wall of the base, the automatic wire take-up is movably connected with a traction wire, the traction wire is fixedly connected with a limit block, one end of the traction wire is fixedly connected to one of the liquid storage tanks, the fixed plate and the pressing plate are both fixedly connected to the main plate, the bottom wall of the fixed plate is fixedly connected with a sliding plate through elastic member 2, the sliding plate is slidably connected to the main plate, the bottom wall of the sliding plate is fixedly connected with elastic member 2 and airbag 1, the horizontal section of L-shaped plate 2 is slidably connected with a pressing plate, the pressing plate is fixedly connected to the vertical section of L-shaped plate 2 through elastic member 3, the vertical section of L-shaped plate 2 is fixedly connected with airbag 2, airbag 2 is fixedly connected to the pressing plate, and airbag 2 is connected to airbag 1 through a catheter.

[0011] Optionally, the upper end of the threaded rod extends above the extension piece, and the friction seat 1 is located above the friction seat 2.

[0012] Optionally, the wall of the fixing groove is curved.

[0013] Optionally, the pretreatment system comprises a pretreatment component, and the prepolymerization component comprises a stirring device and a prepolymerization reactor connected to each other.

[0014] Optionally, the polymerization system comprises a polymerization tower.

[0015] Optionally, the spinning system comprises a spinning device.

[0016] Optionally, the processing and forming system includes a cooling device.

[0017] Optionally, the processing and forming system also includes a stretching device.

[0018] The present invention has the following beneficial effects:

[0019] The present invention enables the friction surfaces of the friction seat 1 and the friction seat 2 to rub against the PA finished product, thereby performing wear resistance detection on the PA finished product without manual rubbing, thus saving manpower. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention is further described using the accompanying drawings, but the embodiments in the accompanying drawings do not constitute any limitation to the present invention. A person skilled in the art can obtain other drawings based on the following drawings without creative work.

[0021] Figure 1 It is a structural schematic diagram of a modified high-stability PA production system based on a pretreatment component of the present invention;

[0022] Figure 2 The present invention Figure 1 Schematic diagram of the structure of the detection system;

[0023] Figure 3 The present invention Figure 2 The enlarged view of point A in the middle;

[0024] Figure 4 The present invention Figure 3 A schematic diagram of the structure of the middle fixing seat and the pressing block;

[0025] Figure 5 The present invention Figure 2 The enlarged view of point B in the middle;

[0026] Figure 6 The present invention Figure 5 Schematic diagram of the structure of the middle extension plate;

[0027] Figure 7 The present invention Figure 5 Schematic diagram of the structure of the middle transmission plate.

[0028] Figure numerals: 1, base; 2, main plate; 3, displacement seat; 4, seat channel; 5, L-shaped plate 1; 6, fixed seat; 7, fixed groove; 8, pressure block; 9, slider; 10, cylinder; 11, mounting plate; 12, extension plate; 13, threaded rod; 14, turning handle; 15, friction seat 1; 16, threaded hole; 17, friction seat 2; 18, liquid outlet main pipe; 19, branch pipe; 20, PA finished product; 21, extension plate; 22, transmission channel; 23, motor; 24, transmission plate; 25, rotating wheel; 26, worm gear; 27, incomplete teeth; 28, transmission rod; 29, liquid transfer device; 30, hose; 31. Impeller assembly; 32. Accelerator; 33. Worm; 34. Liquid storage tank; 35. Liquid storage chamber; 36. Transmission gear; 37. Permanent magnet one; 38. Lifting strip; 39. Elastic piece one; 40. Permanent magnet two; 41. Permanent magnet three; 42. Connecting card; 43. Connector; 44. Connecting slot; 45. Support seat; 46. Limiting pressure piece; 47. Sliding plate; 48. Elastic piece two; 49. Fixed plate; 50. Transmission slot; 51. Automatic wire take-up device; 52. Pull line; 53. Airbag one; 54. Catheter; 55. Airbag two; 56. L-shaped plate two; 57. Elastic piece three; 58. Pressing plate. DETAILED DESCRIPTION

[0029] 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.

[0030] In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, "first", "second", "third", and "fourth" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0031] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, it can be a mechanical connection, it can be an electrical connection, it can be a direct connection, it can be connected through an intermediate medium, and it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] like Figure 1-Figure 7 As shown, a modified high-stability PA production system based on a pretreatment component includes a pretreatment system, a polymerization system, a spinning system, a processing and molding system, and a detection system arranged in sequence from front to back according to the process flow, and the detection system includes a base 1, a main plate 2, a wear resistance detection component, and a driving component, and the main plate 2 is fixed to the top wall of the base 1;

[0033] The wear resistance detection component includes a displacement seat 3 and a mounting plate 11. The displacement seat 3 is slidably connected to the main plate 2. The mounting plate 11 is fixed to the main plate 2. The bottom wall of the displacement seat 3 is fixed with an extension plate 21. The extension plate 21 is provided with a transmission channel 22. The displacement seat 3 is provided with a seat channel 4. The displacement seat 3 is connected to two fixed components. The fixed components include an L-shaped plate 5, a fixed seat 6, a pressure block 8, a slider 9 and a cylinder 10. The L-shaped plate 5 is fixed to the displacement seat 3. The fixed seat 6 is fixed to the vertical section of the L-shaped plate 5. The fixed seat 6 is provided with a fixing groove 7. The slider 9 is slidably connected to the horizontal section of the L-shaped plate 5. The pressure block 8 is fixed to On the slider 9, the cylinder 10 is fixed to the horizontal section of the L-shaped plate 15, the slider 9 is fixed to the piston rod of the cylinder 10, the mounting plate 11 is fixed with an extension plate 12 and a friction seat 2 17, the extension plate 12 is rotatably connected with a threaded rod 13, the upper end of the threaded rod 13 is fixed with a turning handle 14, the mounting plate 11 is slidably connected with a friction seat 15, the friction seat 15 is provided with a threaded hole 16, the threaded rod 13 is threadedly connected to the inner wall of the threaded hole 16, the friction seat 15 and the friction seat 2 17 are both extended into the seat channel 4, the bottom wall of the friction seat 15 and the top wall of the friction seat 2 17 are both provided with friction surfaces, and the friction surfaces are rough and uneven surfaces;

[0034] The driving assembly includes a motor 23, a transmission disc 24 and a rotating wheel 25. The motor 23 is fixedly connected to the main plate 2. The motor 23 is a device that converts electrical energy into mechanical energy, such as a DC motor or an AC motor. The rotating wheel 25 is rotatably connected to the transmission disc 24. The rotating wheel 25 is slidably connected to the inner wall of the transmission channel 22. The transmission disc 24 is fixedly connected to the output shaft of the motor 23.

[0035] like Figure 2 , 3As shown in Figure 5, according to an optional embodiment of the present invention, the main plate 2 is connected to a corrosion resistance testing mechanism, which includes a worm gear 26, a liquid transfer device 29 and a liquid storage tank 34. The worm gear 26 is fixedly connected to the transmission disk 24, the liquid transfer device 29 is fixedly connected to the main plate 2, a liquid outlet main pipe 18 and a hose 30 are fixedly connected to the liquid transfer device 29, the liquid outlet main pipe 18 is fixedly connected to the friction seat 17, and more than two branch pipes 19 are fixedly connected to the liquid outlet main pipe 18. The branch pipes 19 One end is connected to the top wall of the friction seat 17, and a liquid storage tank 34 is connected to the top wall of the base 1. A liquid storage cavity 35 is provided on the liquid storage tank 34. The hose 30 extends into the liquid storage cavity 35. An impeller assembly 31 is rotatably connected in the liquid transfer device 29. An accelerator 32 is fixedly connected to the bottom wall of the liquid transfer device 29. The output shaft of the accelerator 32 is fixedly connected to the impeller assembly 31. A worm 33 is fixedly connected to the input shaft of the accelerator 32. The worm 33 is meshed with the worm wheel 26. The accelerator 32 can be implemented using a planetary gear accelerator.

[0036] like Figure 2 , 5 As shown in , 7, according to an optional embodiment of the present invention, there are two liquid storage tanks 34, both of which are slidably connected to the top wall of the base 1, and the two liquid storage tanks 34 are fixedly connected, and the bottom wall of one of the liquid storage tanks 34 is inlaid with a permanent magnet 37, and the top walls of the two liquid storage tanks 34 are connected with transmission teeth 36, and the transmission disk 24 is fixed with a broken tooth 27, and the hose 30 extends into one of the liquid storage cavities 35, and the top wall of the base 1 is provided with a transmission groove 50;

[0037] The corrosion resistance testing mechanism also includes a transmission rod 28, a lifting bar 38, a connector 43, a fixing plate 49, an automatic wire take-up device 51 and a pressing plate 58. The transmission rod 28 is fixedly connected to the transmission disk 24. The lifting bar 38 is slidably connected to the side wall of the transmission groove 50. The lifting bar 38 is fixedly connected to the bottom wall of the transmission groove 50 through an elastic member 1 39. The top wall of the lifting bar 38 is fixedly connected with a permanent magnet 2 40 and a permanent magnet 3 41. The bottom wall of the lifting bar 38 is fixedly connected with a connecting card 42. The side wall of the lifting bar 38 is fixedly connected with a supporting seat 45. The supporting seat 45 is slidably connected to the side wall of the transmission groove 50. The supporting seat 45 extends above the base 1. The connector 43 is fixedly connected to the bottom wall of the transmission groove 50. A connecting groove 44 is provided on the connector 43. A push-type elastic self-locking mechanism adapted to the connecting card 42 is provided in the connecting groove 44. The connecting card 42 can be locked with each other by pressing once on the push-type elastic self-locking mechanism, and can be released by pressing again In addition to locking, the push-type elastic self-locking mechanism is realized by using the existing technology and is not limited here. For example, the push-type elastic self-locking mechanism of the mobile phone memory card slot, the automatic wire take-up device 51 is fixed to the top wall of the base 1, and the automatic wire take-up device 51 is movably connected with a traction line 52, and the traction line 52 is fixed to a limited block, and one end of the traction line 52 is fixed to one of the liquid storage tanks 34, and the fixing plate 49 and the pressing plate 58 are fixed to the main plate 2. The bottom wall of the fixing plate 49 is elastically connected to the bottom wall of the fixing plate 49. The force piece 48 is fixedly connected to the sliding plate 47, and the sliding plate 47 is slidably connected to the main plate 2. The bottom wall of the sliding plate 47 is fixedly connected to the elastic piece 48 and the airbag 1 53. The horizontal section of the L-shaped plate 2 56 is slidably connected to the pressing plate 58. The pressing plate 58 is fixedly connected to the vertical section of the L-shaped plate 2 56 through the elastic piece 3 57. The vertical section of the L-shaped plate 2 56 is fixedly connected to the airbag 2 55. The airbag 2 55 is fixedly connected to the pressing plate 58, and the airbag 2 55 is connected to the pressing plate 58. The airbag 2 55 is connected to the airbag 1 53 through the conduit 54.

[0038] like Figure 2 , 3 As shown, according to an optional embodiment of the present invention, the upper end of the threaded rod 13 extends above the extension piece 12 , and the friction seat 1 15 is located above the friction seat 2 17 .

[0039] like Figure 2-4 As shown, according to an optional embodiment of the present invention, the wall of the fixing groove 7 is curved.

[0040] like Figure 1 As shown, according to an optional embodiment of the present invention, the pretreatment system includes a pretreatment component, and the prepolymerization component includes a stirring device and a prepolymerization reactor connected to each other, the stirring device stirs and mixes the raw materials, and then pours the raw materials into the prepolymerization reactor for prepolymerization.

[0041] like Figure 1As shown, according to an optional embodiment of the present invention, the polymerization system includes a polymerization tower, and the raw materials that have completed prepolymerization enter the polymerization tower for polymerization reaction to form a polymer. This process is usually carried out under high temperature and pressure. A stabilizer is added to improve the stability of the polymer during processing and subsequent use, and a catalyst is used to accelerate the reaction. The stabilizer can be one or more of an antioxidant and a light stabilizer.

[0042] like Figure 1 As shown, according to an optional embodiment of the present invention, the spinning system includes a spinning device, which delivers the polymer to a spinneret of the spinning device. The spinneret has a plurality of fine holes, and the polymer is extruded through the holes to form filaments.

[0043] like Figure 1 As shown, according to an optional embodiment of the present invention, the processing and molding system includes a cooling device, and the extruded polyamide filaments are rapidly cooled by the cooling device to fix the shape of the fiber and start solidification. The cooling device can adopt water cooling principle or air cooling principle.

[0044] like Figure 1 As shown, according to an optional embodiment of the present invention, the processing and molding system also includes a stretching device, and the newly formed polyamide filaments are stretched at a high temperature to rearrange the molecular chains and improve the strength and elasticity of the fibers.

[0045] Detection system implementation process:

[0046] In the initial state, the two liquid storage chambers 35 are filled with different types of corrosive liquids, the traction line 52 is clamped by the bottom wall of the limiting pressure piece 46 and the top wall of the support seat 45 , and the connection card 42 is not inserted into the connection slot 44 .

[0047] The PA finished product 20 is passed between the friction seat 1 15 and the friction seat 2 17, and then the two ends of the PA finished product 20 are respectively placed in the fixed grooves 7 on the two fixed seats 6, and the piston rods on the two cylinders 10 are controlled to extend, so that the slider 9 drives the pressure block 8 to enter the fixed groove 7 and abut against the inner wall of the fixed groove 7. The two pressure blocks 8 press the two ends of the PA finished product 20, thereby fixing the PA finished product 20, and the threaded rod 13 is rotated by turning the handle 14, so that the friction seat 15 moves down to abut against the top wall of the friction seat 2 17, and the friction seat The friction surface of the bottom wall of the first friction seat 15 and the friction surface of the top wall of the second friction seat 17 clamp the PA finished product 20, turn on the motor 23, and the rotor of the motor 23 drives the transmission plate 24, the rotating wheel 25, the worm gear 26, the broken teeth 27, and the transmission rod 28 to rotate. The rotating wheel 25 slides on the inner wall of the transmission channel 22, thereby driving the extension plate 21, the displacement seat 3, and the PA finished product 20 to move back and forth. The PA finished product 20 is rubbed by the bottom wall of the friction seat 15 and the top wall of the friction seat 2 17, so as to carry out a wear resistance test.

[0048] The worm wheel 26 drives the worm 33 to rotate. The worm 33 is accelerated by the accelerator 32, driving the output shaft of the accelerator 32 and the impeller assembly 31 to rotate rapidly. The rotation of the impeller assembly 31 generates centrifugal force, so that the corrosive liquid in the liquid storage chamber 35 enters the hose 30, the liquid transfer device 29, the liquid outlet main pipe 18, and the branch pipe 19 in sequence, and then flows out from the top wall of the friction seat 17. The corrosive liquid impregnates the PA finished product 20, thereby performing a corrosion resistance test on the PA finished product 20.

[0049] After the broken tooth 27 is meshed with the transmission tooth 36 of one of the liquid storage tanks 34, the transmission rod 28 immediately abuts against the pressure plate 58, and the transmission rod 28 pushes the pressure plate 58 to overcome the elastic force of the elastic member 3 57 and move rightward, thereby squeezing the airbag 2 55, and the gas in the airbag 2 55 enters the airbag 1 53 through the conduit 54, and the airbag 1 53 expands to lift the slide 47 and the limit pressure member 46, and the limit pressure member 46 releases the squeezing of the traction line 52, so that the traction line 52 moves more smoothly. After the broken tooth 27 drives the two liquid storage tanks 34 to move a short distance to the left by meshing with the transmission tooth 36, the transmission rod 28 disengages from the pressure plate 58, and the pressure plate 58 is elastically acted on by the elastic member 3 57 The slide 47 is reset by moving downward to the left under the elastic force of the elastic member 48, and the gas in the airbag 1 53 flows back to the L-shaped plate 2 56 through the conduit 54. The limit pressure member 46 squeezes the traction line 52 again, and then the incomplete tooth 27 disengages and engages with the transmission tooth 36. This process is repeated to gradually move the two liquid storage tanks 34 to the left. When the right liquid storage tank 34 moves below the hose 30, since the hose 30 is made of soft material, the hose 30 will enter the right liquid storage chamber 35 from the left liquid storage chamber 35, so that the branch pipe 19 sprays the corrosive liquid in the right liquid storage chamber 35, thereby using another type of corrosive liquid to test the corrosion resistance of the PA finished product 20.

[0050] When the permanent magnet 1 37 moves to the top of the permanent magnet 2 40, the magnetic repulsion of the permanent magnet 1 37 causes the permanent magnet 2 40 to overcome the elastic member 1 39 and move downward, the lifting bar 38, the connecting card 42, and the support seat 45 move downward, the connecting card 42 is inserted into the connecting groove 44 and the press-type elastic self-locking mechanism in the connecting groove 44 is locked, and the support seat 45 moves downward to release the squeezing of the traction line 52, and the traction line 52 is recovered into the automatic wire take-up device 51 under the action of the automatic recovery force of the automatic wire take-up device 51, thereby driving the two liquid storage tanks 34 to move right and reset, and when the permanent magnet 1 37 moves to the top of the permanent magnet 3 41, the limit block on the traction line 52 and the automatic wire take-up device 51 are offset, and the traction line 52 stops being recovered , the two liquid storage tanks 34 also stop moving right, and the hose 30 re-enters the left liquid storage chamber 35. The permanent magnet three 41 moves downward a short distance under the magnetic repulsion of the permanent magnet one 37, so that the connecting card 42 moves downward a short distance to release and lock the push-type elastic self-locking mechanism. When the incomplete tooth 27 and the transmission tooth 36 are engaged again, the liquid storage tank 34 moves to the left during the left movement, and the permanent magnet one 37 moves to the upper left of the permanent magnet three 41. The permanent magnet three 41 loses the magnetic repulsion of the permanent magnet one 37, and the lifting bar 38 and the support seat 45 move upward under the elastic force of the elastic piece one 39. The top wall of the support seat 45 is again against the traction line 52, so that the traction line 52 can be squeezed and fixed together with the limiting pressure piece 46.

[0051] The present invention can drive a motor 23 to cause the friction surfaces of the friction seat 1 15 and the friction seat 2 17 to rub against the PA finished product 20, thereby performing a wear resistance test on the PA finished product 20. There is no need for manual rubbing, which saves manpower. The impeller assembly 31 can also rotate quickly, so that the corrosive liquid in the liquid storage chamber 35 can penetrate the PA finished product 20, thereby performing a corrosion resistance test on the PA finished product 20. A series of linkages can be used in conjunction with the automatic recovery force of the automatic wire take-up device 51 to slowly reciprocate the two liquid storage tanks 34 left and right, so that different types of corrosive liquids in the two liquid storage chambers 35 can alternately penetrate the PA finished product 20, thereby achieving a corrosion resistance test on the PA finished product 20 to different corrosive liquids. The system has high linkage and high automation, and can perform multiple tests on the PA finished product 20 with little effort.

[0052] The components, modules, mechanisms and devices not described in detail in the present invention are all universal standard parts or components known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or conventional experimental methods.

[0053] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention, rather than to limit the scope of protection of the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the present invention.

Claims

1. A modified high-stability PA production system based on a pretreatment component, characterized in that: The invention comprises a pretreatment system, a polymerization system, a spinning system, a processing and forming system and a detection system which are arranged in sequence from front to back according to the process flow, wherein the detection system comprises a base (1), a main plate (2), a wear resistance detection component and a drive component, wherein the main plate (2) is fixedly connected to the top wall of the base (1); The wear resistance detection component comprises a displacement seat (3) and a mounting plate (11), wherein the displacement seat (3) is slidably connected to the main plate (2), the mounting plate (11) is fixedly connected to the main plate (2), an extension plate (21) is fixedly connected to the bottom wall of the displacement seat (3), a transmission channel (22) is provided on the extension plate (21), a seat channel (4) is provided on the displacement seat (3), and two fixing components are connected to the displacement seat (3), wherein the fixing components comprise an L-shaped plate (5), a fixing seat (6), a pressure block (8), a slider (9) and a cylinder (10), wherein the L-shaped plate (5) is fixedly connected to the displacement seat (3), the fixing seat (6) is fixedly connected to the vertical section of the L-shaped plate (5), the fixing seat (6) is provided with a fixing groove (7), and the slider (9) is slidably connected to the horizontal section of the L-shaped plate (5). The pressure block (8) is fixedly connected to the slider (9), the cylinder (10) is fixedly connected to the horizontal section of the L-shaped plate (5), the slider (9) is fixedly connected to the piston rod of the cylinder (10), the mounting plate (11) is fixedly connected with an extension plate (12) and a friction seat (17), the extension plate (12) is rotatably connected with a threaded rod (13), the upper end of the threaded rod (13) is fixedly connected with a turning handle (14), the mounting plate (11) is slidably connected with a friction seat (15), the friction seat (15) is provided with a threaded hole (16), the threaded rod (13) is threadedly connected to the inner wall of the threaded hole (16), the friction seat (15) and the friction seat (17) are both extended into the seat channel (4), and the bottom wall of the friction seat (15) and the top wall of the friction seat (17) are both provided with friction surfaces; The driving assembly comprises a motor (23), a transmission disc (24) and a rotating wheel (25), wherein the motor (23) is fixedly connected to the main plate (2), the rotating wheel (25) is rotatably connected to the transmission disc (24), the rotating wheel (25) is slidably connected to the inner wall of the transmission channel (22), and the transmission disc (24) is fixedly connected to the output shaft of the motor (23); The main plate (2) is connected to a corrosion resistance testing mechanism, which includes a worm gear (26), a liquid transfer device (29) and a liquid storage tank (34). The worm gear (26) is fixedly connected to the transmission plate (24). The liquid transfer device (29) is fixedly connected to the main plate (2). A liquid outlet main pipe (18) and a hose (30) are fixedly connected to the liquid transfer device (29). The liquid outlet main pipe (18) is fixedly connected to the second friction seat (17). Two or more branch pipes (19) are fixedly connected to the liquid outlet main pipe (18). One end of the branch pipe (19) is The liquid storage tank (34) is connected to the top wall of the base (1), the liquid storage tank (34) is provided with a liquid storage cavity (35), the hose (30) extends into the liquid storage cavity (35), the liquid transfer device (29) is rotatably connected to an impeller assembly (31), the bottom wall of the liquid transfer device (29) is fixedly connected to an accelerator (32), the output shaft of the accelerator (32) is fixedly connected to the impeller assembly (31), the input shaft of the accelerator (32) is fixedly connected to a worm (33), and the worm (33) is meshed with the worm wheel (26).

2. A modified high-stability PA production system based on a pretreatment component according to claim 1, characterized in that: The liquid storage tanks (34) are provided with two, and the two liquid storage tanks (34) are both slidably connected to the top wall of the base (1), and the two liquid storage tanks (34) are fixedly connected, and the bottom wall of one of the liquid storage tanks (34) is inlaid with a permanent magnet (37), and the top walls of the two liquid storage tanks (34) are connected with transmission teeth (36), and the transmission disk (24) is fixedly connected with a broken tooth (27), and the hose (30) extends into one of the liquid storage cavities (35), and the top wall of the base (1) is provided with a transmission groove (50); The corrosion resistance testing mechanism further comprises a transmission rod (28), a lifting bar (38), a connector (43), a fixing plate (49), an automatic wire take-up device (51) and a pressing plate (58), wherein the transmission rod (28) is fixedly connected to the transmission disk (24), the lifting bar (38) is slidably connected to the side wall of the transmission groove (50), the lifting bar (38) is fixedly connected to the bottom wall of the transmission groove (50) via an elastic member 1 (39), and a permanent magnet 2 (40) is fixedly connected to the top wall of the lifting bar (38). 0) and a permanent magnet three (41), a connection card (42) is fixedly connected to the bottom wall of the lifting bar (38), a support seat (45) is fixedly connected to the side wall of the lifting bar (38), the support seat (45) is slidably connected to the side wall of the transmission groove (50), the support seat (45) extends to the top of the base (1), a connector (43) is fixedly connected to the bottom wall of the transmission groove (50), a connection groove (44) is formed on the connector (43), and a press-type connection card (42) is provided in the connection groove (44). An elastic self-locking mechanism, an automatic wire take-up device (51) is fixedly connected to the top wall of the base (1), a traction line (52) is movably connected to the automatic wire take-up device (51), a limit block is fixedly connected to the traction line (52), one end of the traction line (52) is fixedly connected to one of the liquid storage tanks (34), a fixed plate (49) and a pressing plate (58) are both fixedly connected to the main plate (2), a sliding plate (47) is fixedly connected to the bottom wall of the fixed plate (49) through a second elastic member (48), and the sliding plate (47) is slidably connected to On the main plate (2), the bottom wall of the sliding plate (47) is fixedly connected with an elastic member 2 (48) and an airbag 1 (53), the horizontal section of the L-shaped plate 2 (56) is slidably connected with a pressing plate (58), the pressing plate (58) is fixedly connected to the vertical section of the L-shaped plate 2 (56) through the elastic member 3 (57), the vertical section of the L-shaped plate 2 (56) is fixedly connected with an airbag 2 (55), the airbag 2 (55) and the pressing plate (58) are fixedly connected, and the airbag 2 (55) is connected to the airbag 1 (53) through a guide tube (54).

3. A modified high-stability PA production system based on a pretreatment component according to claim 2, characterized in that: The upper end of the threaded rod (13) extends to above the extension piece (12), and the friction seat one (15) is located above the friction seat two (17).

4. A modified high-stability PA production system based on a pretreatment component according to claim 3, characterized in that: The groove wall of the fixing groove (7) is in the shape of a curved surface.

5. A modified high-stability PA production system based on a pretreatment component according to any one of claims 1 to 4, characterized in that: The pretreatment system comprises a pretreatment component, and the prepolymerization component comprises a stirring device and a prepolymerization reactor connected to each other.

6. A modified high-stability PA production system based on a pretreatment component according to claim 5, characterized in that: The polymerization system includes a polymerization tower.

7. A modified high-stability PA production system based on a pretreatment component according to claim 6, characterized in that: The spinning system comprises a spinning device.

8. A modified high-stability PA production system based on a pretreatment component according to claim 7, characterized in that: The processing and forming system includes a cooling device.

9. A modified high-stability PA production system based on a pretreatment component according to claim 8, characterized in that: The processing and forming system also includes a stretching device.

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