Pultrusion molding equipment for thermoplastic composite material profiles

Abstract

The invention relates to the technical field of composite material profile pultrusion, and discloses a pultrusion device for thermoplastic composite material profile, comprising a support seat, the upper surface of the support seat is fixedly connected to a support plate, the inner surface of the support plate is fixedly connected to an extrusion tube, the front end of the extrusion tube is rotatably connected to a spiral blade, the top end of the extrusion tube is fixedly connected to a feed hopper, the top of the support seat is rotatably connected to a rotating shaft, the top end of the rotating shaft is fixedly connected to a fixed shaft, the outer surface of the fixed shaft is fixedly connected to a connecting rod, the end of the connecting rod away from the fixed shaft is fixedly connected to a stirring rod, and the outer surface of the rotating shaft is fixedly connected to a material unloading rotating plate. The invention can prevent all materials from entering the extrusion tube at once, making it difficult for the spiral blade to get stuck, and accurately controls the extrusion speed to avoid excessively fast extrusion speed resulting in insufficient volatilization of moisture in the thermoplastic material and poor extrusion effect.

Description

Technical Field

[0001] The invention relates to the technical field of pultrusion molding of composite material profiles, in particular to pultrusion molding equipment for thermoplastic composite material profiles. Background Art

[0002] Thermoplastic composites are a type of composite materials with thermoplastic resin as the matrix and reinforcing materials (such as glass, carbon or aramid fiber) as the strengthening components. These materials have the characteristics of low density, high strength, easy processing and reusability. Compared with thermosetting composites, thermoplastic composites show better adaptability and economic benefits in processing and repair. They are widely used in aerospace, automobile manufacturing, construction and sporting goods.

[0003] Patent application number CN202322598794.3 discloses a preheating molding device for pultrusion process, including a base, an insulation box is arranged on the upper side of the base, a spiral stirring assembly is arranged on the inner side of the insulation box, a driving assembly is arranged on the upper side of the base away from the insulation box, a reducer is arranged in the middle position of the driving assembly and the spiral stirring assembly, and the lower side of the reducer is fixedly connected to the upper side of the base. The preheating molding device for pultrusion process, through the mutual cooperation between the above-mentioned components, makes the high-temperature steam completely wrap the outer side of the mixing drum, thereby making the plastic in the cavity of the mixing drum The material particles or powder will be evenly heated, and the heating wire is designed to be arranged in a spiral shape, so the cavity of the mixing barrel will be evenly heated, and then the plastic particles or powder that are constantly rolling forward in the cavity will be evenly heated, so that their surface will be continuously and fully heated by uniform heat. However, this device cannot control the feeding speed during feeding, which can easily cause the material to be extruded too quickly, resulting in the inability to completely remove the moisture in the material, and then leading to the problem of poor extrusion effect. Therefore, a pultrusion molding equipment for thermoplastic composite material profiles is proposed to solve the above-mentioned problems. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a pultrusion molding device for thermoplastic composite material profiles in view of the deficiencies in the above-mentioned prior art.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is: a pultrusion molding device for thermoplastic composite material profiles, comprising a support seat, the upper surface of the support seat is fixedly connected to a support plate, the inner surface of the support plate is fixedly connected to an extrusion tube, the front end of the extrusion tube is rotatably connected to a spiral blade, the top end of the extrusion tube is fixedly connected to a feed hopper, the top of the support seat is rotatably connected to a rotating shaft, the top of the rotating shaft is fixedly connected to a fixed shaft, the outer surface of the fixed shaft is fixedly connected to a connecting rod, the end of the connecting rod away from the fixed shaft is fixedly connected to a stirring rod, the outer surface of the rotating shaft is fixedly connected to a material discharge rotating plate, the bottom surface of the material discharge rotating plate is fixedly connected to a baffle, the inner wall of the extrusion tube is fixedly connected to a material discharge partition, a dredging device for preventing material blockage is arranged above the support seat, and stabilizing devices for making the device more stable during operation are arranged on both sides of the support seat, a motor is installed at the bottom end of the rotating shaft, and the motor and the support The bottom surface of the inner wall of the seat is fixedly connected, the rotating shaft rotates and penetrates into the interior of the extrusion tube, the stirring rod is slidably connected to the inner wall of the feed hopper, the baffle is slidably connected to the upper surface of the discharge baffle, and a reciprocating threaded groove is provided on the lower half of the rotating shaft. The material is poured into the extrusion tube from the feed hopper, and the spiral blade is started. The spiral blade transports the material from the extrusion tube to the L-shaped discharge pipe, and the thrust generated by the spiral blade squeezes the material together, so that the material is extruded according to the shape of the mold installed at the discharge port. When the material enters the feed hopper, the motor is started, and the motor drives the rotating shaft to rotate. The rotating shaft drives the fixed shaft, the connecting rod and the stirring rod to rotate, and the stirring rod stirs the material to increase the gap between the materials. The rotating shaft drives the discharge rotating plate and the baffle to rotate. When the baffle is aligned with the discharge ports opened on both sides of the discharge baffle, the material can enter the extrusion tube from the discharge port. When the baffle leaves the discharge port, the material is blocked by the discharge baffle and cannot fall, so that the material cannot enter the extrusion tube all at once, causing the spiral blade to get stuck.

[0006] Preferably, the dredging device includes an L-shaped discharge pipe, a dredging scraper, and a pushing rod, the L-shaped discharge pipe is fixedly connected to the front end of the extrusion pipe, the dredging scraper is slidably connected to the inner wall of the L-shaped discharge pipe, the pushing rod is fixedly connected to the rear side of the dredging scraper, the dredging device also includes a sleeve, a lower pressure rod, an inclined groove push frame, and a limit plate, the sleeve is fixedly connected to the front side of the support plate, the lower pressure rod is movably connected to the outer surface of the rotating shaft, the inclined groove push frame is slidably connected to the upper surface of the support seat, the limit plate is fixedly connected to the upper surface of the support seat, the pushing rod slides through the inside of the L-shaped discharge pipe, the sleeve passes through the support plate on the front side of the support seat, the lower pressure rod is slidably connected to the inner surface of the reciprocating threaded groove opened on the surface of the rotating shaft, the inclined groove push frame is slidably connected to the side of the limit plate, The lower pressure rod is slidably connected to the inner surface of the inclined groove opened on both sides of the inclined groove push frame, the rear end of the push rod is fixedly connected to the front side of the inclined groove push frame, and the push rod is slidably connected to the inner surface of the sleeve. When the bonded materials enter the L-shaped discharge pipe, the materials fall downward due to gravity and are not easy to adhere to the inner wall of the extrusion tube to block the outlet, and the push rod is pushed reciprocally, and the push rod drives the dredging scraper to move reciprocatingly. When the dredging scraper moves forward, it pushes the material out of the L-shaped discharge pipe, and the dredging scraper scrapes off the residual material adhered to the inner wall of the L-shaped discharge pipe, and the rotating shaft drives the lower pressure rod to reciprocate up and down. When the lower pressure rod is pressed down, the inclined groove push frame is pushed forward by the guide of the inclined groove on the inclined groove push frame, and the inclined groove push frame drives the push rod to move forward. When the lower pressure rod rises, it drives the inclined groove push frame and the push rod to move backward.

[0007] Preferably, the stabilizing device comprises a connecting plate, a telescopic locking rod, and a support frame, the connecting plate is fixedly connected to the front and rear ends of the inner wall of the support seat, the telescopic locking rod is fixedly connected to both sides of the connecting plate, the support frame is fixedly connected to one end of the telescopic locking rod away from the connecting plate, the stabilizing device also comprises a pushing plate, a sliding plate, a pushing inclined block, a sliding frame, and a pushing groove inclined frame, the pushing plate is fixedly connected to the lower surface of the pushing rod, the sliding plate is fixedly connected to the bottom end of the pushing plate, the pushing inclined block is fixedly connected to the side of the sliding plate away from the support seat, the sliding frame is fixedly connected to the side of the support seat, the pushing groove oblique frame is fixedly connected to the bottom of the support frame, and a self-locking mechanism is provided at the connection points at both ends of the telescopic locking rod, the telescopic locking rod slides through both sides of the support seat, and the lower surface of the sleeve is provided with a The cam is provided with a plurality of sliding grooves, and the plurality of sliding grooves are provided on the top surface of the plurality of sliding grooves, and the plurality of sliding grooves are provided on the top surface of the plurality of sliding grooves, and the plurality of sliding grooves are provided on the top surface of the plurality of sliding grooves, and the plurality of sliding grooves are provided on the top surface of the plurality of sliding grooves, and the plurality of sliding grooves are provided on the top surface of the plurality of sliding grooves, and the plurality of sliding grooves are provided on the top surface of the plurality of sliding grooves, and the plurality of sliding grooves are provided on the top surface of the plurality of sliding grooves, and the plurality of sliding grooves are provided on the top surface of the plurality of sliding grooves, and the plurality of sliding grooves are provided on the top surface of the plurality of sliding grooves, and the plurality of sliding grooves are provided on the

[0008] The present invention adopts the above technical solution, which can bring the following beneficial effects:

[0009] 1. In the pultrusion molding equipment of the thermoplastic composite material profile, the rotating shaft drives the fixed shaft, the connecting rod and the stirring rod to rotate. The stirring rod stirs the material to increase the gap between the materials, making it easier to discharge the materials without being blocked during feeding. When the baffle is aligned with the discharge openings opened on both sides of the discharge partition, the material can enter the extrusion tube from the discharge opening. When the baffle leaves the discharge opening, the material is blocked by the discharge partition and cannot fall, so that the material cannot enter the extrusion tube all at once, causing the spiral blade to get stuck. The extrusion speed is accurately controlled to avoid the extrusion speed being too fast, resulting in the moisture in the thermoplastic material not being fully volatilized, resulting in poor extrusion effect.

[0010] 2. In the pultrusion forming equipment of the thermoplastic composite material profile, when the unblocking scraper moves forward, it pushes the material to extrude out of the L-shaped discharge pipe, and the unblocking scraper scrapes off the residual material adhering to the inner wall of the L-shaped discharge pipe, further preventing the accumulation and blockage of the material. When the lower pressure rod is pressed down, the inclined slot push frame is pushed forward by the guidance of the inclined slot on the inclined slot push frame, and the inclined slot push frame drives the push rod to move forward. When the lower pressure rod rises, it drives the inclined slot push frame and the push rod to move backward, so that the device can continuously scrape off the residual material on the inner wall of the L-shaped discharge pipe during extrusion, thereby improving the unblocking efficiency.

[0011] 3. In the pultrusion molding equipment of the thermoplastic composite profile, the support frame provides support force to both sides of the device and increases the support area of ​​the device, making the device more stable during operation, reducing the wear and tear during operation of the device, and increasing the service life of the device. When the support frame moves to both sides, it drives the telescopic locking rod to extend. At this time, the self-locking mechanism between the two rods locks the telescopic locking rod to fix the position of the support frame, thereby further increasing the support area and the stability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the three-dimensional overall structure of the present invention;

[0013] Figure 2 It is a schematic diagram of the front side cross-sectional three-dimensional structure of the present invention;

[0014] Figure 3 It is a schematic diagram of the front side cross-sectional three-dimensional structure of the feeding structure of the present invention;

[0015] Figure 4 It is a side perspective structural schematic diagram of the control structure of the present invention;

[0016] Figure 5 It is a schematic diagram of the front side cross-sectional three-dimensional structure of the dredging device of the present invention;

[0017] Figure 6 It is a schematic diagram of the front side cross-sectional three-dimensional structure of the propulsion structure of the present invention;

[0018] Figure 7 It is a schematic diagram of the front side cross-sectional three-dimensional structure of the stabilizing device of the present invention;

[0019] Figure 8 It is a schematic diagram of the front and side three-dimensional structure of part of the structure of the stabilizing device of the present invention.

[0020] In the figure: 1. support seat; 2. support plate; 3. extrusion tube; 4. spiral blade; 5. feed hopper; 51. rotating shaft; 52. fixed shaft; 53. connecting rod; 54. stirring rod; 55. unloading rotating plate; 56. baffle; 57. unloading partition; 6. dredging device; 61. L-shaped discharge pipe; 62. dredging scraper; 63. pushing rod; 64. sleeve; 65. pressing rod; 66. inclined groove push frame; 67. limiting plate; 7. stabilizing device; 71. connecting plate; 72. telescopic locking rod; 73. support frame; 74. pushing plate; 75. sliding plate; 76. pushing inclined block; 77. sliding frame; 78. push groove inclined frame. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-Figure 8 One embodiment of the present invention is: a pultrusion molding device for thermoplastic composite material profiles, including a support seat 1, the upper surface of the support seat 1 is fixedly connected to a support plate 2, the inner surface of the support plate 2 is fixedly connected to an extrusion tube 3, the front end of the extrusion tube 3 is rotatably connected to a spiral blade 4, the top of the extrusion tube 3 is fixedly connected to a feed hopper 5, the top of the support seat 1 is rotatably connected to a rotating shaft 51, the top of the rotating shaft 51 is fixedly connected to a fixed shaft 52, the outer surface of the fixed shaft 52 is fixedly connected to a connecting rod 53, the end of the connecting rod 53 away from the fixed shaft 52 is fixedly connected to a stirring rod 54, the outer surface of the rotating shaft 51 is fixedly connected to a material discharge rotating plate 55, the bottom surface of the material discharge rotating plate 55 is fixedly connected to a baffle 56, the inner wall of the extrusion tube 3 is fixedly connected to a material discharge partition 57, the rotating shaft 51 drives the fixed shaft 52, the connecting rod 53 and the stirring rod 54 to rotate, the stirring rod 54 stirs the material to increase the gap between the materials and make it easier to discharge The material will not be blocked during feeding. A dredging device 6 for preventing material blockage is arranged above the support seat 1. Stabilizing devices 7 are arranged on both sides of the support seat 1 to make the device more stable during operation. A motor is installed at the bottom end of the rotating shaft 51, and the motor is fixedly connected to the bottom surface of the inner wall of the support seat 1. The rotating shaft 51 rotates and penetrates into the extrusion tube 3. The stirring rod 54 is slidably connected to the inner wall of the feed hopper 5. The baffle 56 is slidably connected to the upper surface of the discharge baffle 57. A reciprocating thread groove is provided on the lower half of the rotating shaft 51. When the baffle 56 is aligned with the discharge openings opened on both sides of the discharge baffle 57, the material can enter the extrusion tube 3 from the discharge opening. When the baffle 56 leaves the discharge opening, the material is blocked by the discharge baffle 57 and cannot fall, so that the material cannot enter the extrusion tube all at once, causing the spiral blade 4 to get stuck. The extrusion speed is accurately controlled to avoid the extrusion speed being too fast, resulting in the moisture in the thermoplastic material not being fully volatilized, resulting in poor extrusion effect.

[0023] Working principle: Pour the material from the feed hopper 5 into the extrusion tube 3, start the spiral blade 4, the spiral blade 4 transports the material from the extrusion tube 3 to the L-shaped discharge tube 61, and the thrust generated by the spiral blade 4 squeezes the material together, so that the material is extruded according to the shape of the mold installed at the discharge port. When the material enters the feed hopper 5, start the motor, the motor drives the rotating shaft 51 to rotate, the rotating shaft 51 drives the fixed shaft 52, the connecting rod 53 and the stirring rod 54 to rotate, and the stirring rod 54 stirs the material to increase the gap between the materials, making it more It is easy to discharge materials without clogging during feeding. The rotating shaft 51 drives the discharge rotating plate 55 and the baffle 56 to rotate. When the baffle 56 is aligned with the discharge openings opened on both sides of the discharge baffle 57, the material can enter the extrusion tube 3 from the discharge opening. When the baffle 56 leaves the discharge opening, the material is blocked by the discharge baffle 57 and cannot fall, so that the material cannot enter the extrusion tube all at once, causing the spiral blade 4 to be stuck. The extrusion speed is accurately controlled to avoid the extrusion speed being too fast, resulting in the moisture in the thermoplastic material not being fully volatilized, resulting in poor extrusion effect.

[0024] See also Figure 1-Figure 8 On the basis of the above embodiment, in another embodiment of the present invention, the dredging device 6 includes an L-shaped discharge pipe 61, a dredging scraper 62, and a pushing rod 63. The L-shaped discharge pipe 61 is fixedly connected to the front end of the extrusion pipe 3, the dredging scraper 62 is slidably connected to the inner wall of the L-shaped discharge pipe 61, and the pushing rod 63 is fixedly connected to the rear side of the dredging scraper 62. When the dredging scraper 62 moves forward, it pushes the material out of the L-shaped discharge pipe 61, and the dredging scraper 62 scrapes off the residual material adhering to the inner wall of the L-shaped discharge pipe 61, further preventing the material from accumulating and clogging. The dredging device 6 also includes a sleeve 64, a lower pressure rod 65, an inclined groove push frame 66, and a limit plate 67. The sleeve 64 is fixedly connected to the front side of the support plate 2, the lower pressure rod 65 is movably connected to the outer surface of the rotating shaft 51, the inclined groove push frame 66 is slidably connected to the upper surface of the support seat 1, and the limit plate 67 is fixedly connected to the support seat 1 The upper surface of the push rod 63 slides through the inside of the L-shaped discharge pipe 61, and the sleeve 64 penetrates the support plate 2 on the front side of the support seat 1. The lower pressure rod 65 is slidably connected to the inner surface of the reciprocating threaded groove opened on the surface of the rotating shaft 51, and the inclined groove push frame 66 is slidably connected to the side of the limit plate 67. The lower pressure rod 65 is slidably connected to the inner surface of the inclined groove opened on both sides of the inclined groove push frame 66, and the rear end of the push rod 63 is fixedly connected to the front side of the inclined groove push frame 66, and the push rod 63 is slidably connected to the inner surface of the sleeve 64. When the lower pressure rod 65 is pressed down, the inclined groove push frame 66 is pushed forward by the guidance of the inclined groove on the inclined groove push frame 66, and the inclined groove push frame 66 drives the push rod 63 to move forward. When the lower pressure rod 65 rises, it drives the inclined groove push frame 66 and the push rod 63 to move backward, so that the device can continuously scrape the material residue on the inner wall of the L-shaped discharge pipe 61 during extrusion, thereby improving the dredging efficiency.

[0025] Working principle: after the bonded materials enter the L-shaped discharge pipe 61, the materials fall downward due to gravity and are not easy to adhere to the inner wall of the extrusion pipe 3 to block the outlet, and the push rod 63 is pushed back and forth, and the push rod 63 drives the dredging scraper 62 to move back and forth. When the dredging scraper 62 moves forward, it pushes the material out of the L-shaped discharge pipe 61, and the dredging scraper 62 scrapes off the residual material adhering to the inner wall of the L-shaped discharge pipe 61, further preventing the material from accumulating and clogging. The rotating shaft 51 drives the lower pressure rod 65 to move up and down reciprocatingly. When the lower pressure rod 65 is pressed down, the inclined groove push frame 66 is pushed forward by the guidance of the inclined groove on the inclined groove push frame 66, and the inclined groove push frame 66 drives the push rod 63 to move forward. When the lower pressure rod 65 rises, it drives the inclined groove push frame 66 and the push rod 63 to move backward, so that the device can continuously scrape off the residual material on the inner wall of the L-shaped discharge pipe 61 during extrusion, thereby improving the dredging efficiency.

[0026] See also Figure 1-Figure 8 On the basis of the above embodiment, in another embodiment of the present invention, the stabilizing device 7 includes a connecting plate 71, a telescopic locking rod 72, and a support frame 73. The connecting plate 71 is fixedly connected to the front and rear ends of the inner wall of the support seat 1, the telescopic locking rod 72 is fixedly connected to both sides of the connecting plate 71, and the support frame 73 is fixedly connected to the end of the telescopic locking rod 72 away from the connecting plate 71. The support frame 73 provides supporting force to both sides of the device and increases the supporting area of ​​the device, making the device more stable during operation, reducing the wear and tear generated during operation of the device, and improving the service life of the device. The stabilizing device 7 also includes a pushing plate 74, a sliding plate 75, a pushing inclined block 76, a sliding frame 77, and a pushing groove inclined frame 78. The pushing plate 74 is fixedly connected to the lower surface of the pushing rod 63, the sliding plate 75 is fixedly connected to the bottom end of the pushing plate 74, and the pushing inclined block 76 is fixedly connected to the The sliding plate 75 is away from one side of the support seat 1, the sliding frame 77 is fixedly connected to the side of the support seat 1, the push groove oblique frame 78 is fixedly connected to the bottom of the support frame 73, and the self-locking mechanism is provided at the connection points at both ends of the telescopic locking rod 72. The telescopic locking rod 72 slides through both sides of the support seat 1. The lower surface of the sleeve 64 is provided with a slide groove 1, and the pushing plate 74 is slidably connected to the inner surface of the slide groove 1, and the top surface of the sliding frame 77 is provided with a slide groove 2, and the pushing plate 74 is slidably connected to the inner surface of the slide groove 2. The sliding plate 75 is slidably connected to the inner surface of the sliding frame 77, and the oblique block 76 is slidably connected to the inner surface of the push groove oblique frame 78. When the support frame 73 moves to both sides, the telescopic locking rod 72 is extended. At this time, the self-locking mechanism between the two rods locks the telescopic locking rod 72, so that the position of the support frame 73 is fixed, thereby further increasing the support area and the stability of the device.

[0027] Working principle: The device generates vibration during operation, and the support frames 73 on both sides of the support seat 1 provide supporting force to both sides of the device and increase the supporting area of ​​the device, making the device more stable during operation, reducing the wear and tear generated during the operation of the device, and increasing the service life of the device. When the push rod 63 slides forward, it drives the push plate 74, the sliding plate 75 and the pushing inclined block 76 to move forward, and the pushing inclined block 76 is guided by the inclined surface of the inclined groove push frame 66 to push the inclined groove push frame 66 to move to both sides of the support seat 1, thereby driving the support frame 73 to move to both sides of the support seat 1. When the support frame 73 moves to both sides, it drives the telescopic locking rod 72 to extend. At this time, the self-locking mechanism between the two rods locks the telescopic locking rod 72, so that the position of the support frame 73 is fixed, thereby further increasing the supporting area and the stability of the device.

[0028] The present invention provides a pultrusion molding device for thermoplastic composite material profiles. There are many methods and ways to implement the technical solution. The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention. All components not specified in this embodiment can be implemented by existing technologies.

Claims

1. A pultrusion molding device for thermoplastic composite material profiles, comprising a support seat (1), characterized in that: The upper surface of the support seat (1) is fixedly connected to a support plate (2), the inner surface of the support plate (2) is fixedly connected to an extrusion tube (3), the front end of the extrusion tube (3) is rotatably connected to a spiral blade (4), the top of the extrusion tube (3) is fixedly connected to a feed hopper (5), the top of the support seat (1) is rotatably connected to a rotating shaft (51), the top of the rotating shaft (51) is fixedly connected to a fixed shaft (52), the outer surface of the fixed shaft (52) is fixedly connected to a connecting rod (53), the end of the connecting rod (53) away from the fixed shaft (52) is fixedly connected to a stirring rod (54), the outer surface of the rotating shaft (51) is fixedly connected to a material discharge rotating plate (55), the bottom surface of the material discharge rotating plate (55) is fixedly connected to a baffle (56), and the inner wall of the extrusion tube (3) is fixedly connected to a material discharge baffle (57); A dredging device (6) for preventing material blockage is arranged above the support seat (1), and stabilizing devices (7) are arranged on both sides of the support seat (1) to make the device more stable during operation; A motor is installed at the bottom end of the rotating shaft (51), and the motor is fixedly connected to the bottom surface of the inner wall of the support seat (1). The rotating shaft (51) rotates and penetrates into the interior of the extrusion tube (3). The stirring rod (54) is slidably connected to the inner wall of the feed hopper (5). The baffle plate (56) is slidably connected to the upper surface of the material discharge baffle plate (57). A reciprocating thread groove is provided on the lower half of the rotating shaft (51); The dredging device (6) comprises an L-shaped discharge pipe (61), a dredging scraper (62), and a push rod (63); the L-shaped discharge pipe (61) is fixedly connected to the front end of the extrusion pipe (3); the dredging scraper (62) is slidably connected to the inner wall of the L-shaped discharge pipe (61); and the push rod (63) is fixedly connected to the rear side of the dredging scraper (62); The dredging device (6) further comprises a sleeve (64), a lower pressure rod (65), an inclined groove push frame (66), and a limit plate (67), wherein the sleeve (64) is fixedly connected to the front side of the support plate (2), the lower pressure rod (65) is movably connected to the outer surface of the rotating shaft (51), the inclined groove push frame (66) is slidably connected to the upper surface of the support seat (1), and the limit plate (67) is fixedly connected to the upper surface of the support seat (1); The push rod (63) slides through the inside of the L-shaped discharge pipe (61), the sleeve (64) penetrates the support plate (2) on the front side of the support seat (1), the push rod (65) and the inner surface of the reciprocating thread groove opened on the surface of the rotating shaft (51) are slidably connected, the inclined groove push frame (66) and the side of the limit plate (67) are slidably connected, the push rod (65) and the inner surface of the inclined groove opened on both sides of the inclined groove push frame (66) are slidably connected, the rear end of the push rod (63) and the front side of the inclined groove push frame (66) are fixedly connected, and the push rod (63) and the inner surface of the sleeve (64) are slidably connected; The stabilizing device (7) comprises a connecting plate (71), a telescopic locking rod (72), and a support frame (73); the connecting plate (71) is fixedly connected to the front and rear ends of the inner wall of the support seat (1); the telescopic locking rod (72) is fixedly connected to both sides of the connecting plate (71); and the support frame (73) is fixedly connected to one end of the telescopic locking rod (72) away from the connecting plate (71); The stabilizing device (7) further comprises a push plate (74), a sliding plate (75), a push inclined block (76), a sliding frame (77), and a push groove inclined frame (78); the push plate (74) is fixedly connected to the lower surface of the push rod (63); the sliding plate (75) is fixedly connected to the bottom end of the push plate (74); the push inclined block (76) is fixedly connected to a side of the sliding plate (75) away from the support seat (1); the sliding frame (77) is fixedly connected to a side of the support seat (1); and the push groove inclined frame (78) is fixedly connected to the bottom of the support frame (73).

2. The pultrusion molding equipment of a thermoplastic composite material profile according to claim 1, characterized in that: A self-locking mechanism is provided at the connection points at both ends of the telescopic locking rod (72), the telescopic locking rod (72) slides through both sides of the support seat (1), a first slide groove is provided on the lower surface of the sleeve (64), and the push plate (74) is slidably connected to the inner surface of the first slide groove, a second slide groove is provided on the top surface of the sliding frame (77), and the push plate (74) is slidably connected to the inner surface of the second slide groove, the sliding plate (75) is slidably connected to the inner surface of the sliding frame (77), and the pushing inclined block (76) is slidably connected to the inner surface of the pushing groove inclined frame (78).

Images