Extrusion mechanism of plastic extruder

Abstract

The invention discloses an extrusion mechanism of a plastic extruder, and relates to the technical field of extruders, the extrusion mechanism comprises a mechanism body, a control panel is fixedly mounted on the surface of the mechanism body, foot plates are fixedly connected to the four corners of the bottom surface of the mechanism body, and a pair of bottom plates are fixedly connected to the top surface of the mechanism body; a pair of supporting plates are fixedly connected to the top faces of the bottom plates, the top ends of the supporting plates are fixedly connected to a frame, a material box is fixedly installed on the frame, a through hole is formed in the bottom face of the material box, a pair of guide rails are fixedly connected to the surface of the material box, and baffles are slidably connected to the interiors of the guide rails. The plastic raw material extrusion forming device is reasonable in structure, plastic raw materials in the material box can be rapidly and uniformly stirred through cooperative use of the control assembly and the sliding assembly, then the mixed plastic raw materials enter the storage groove, and extrusion forming work can be conveniently conducted on the plastic raw materials through operation of the extrusion assembly.

Description

Technical Field

[0001] The invention relates to the technical field of extruders, in particular to an extrusion mechanism of a plastic extruder. Background Art

[0002] Injection molding is also called injection molding. Its working principle is similar to that of a syringe used for injection. It is a molding method that combines injection and molding. It can stir the completely molten plastic material through a screw, inject it into the mold cavity with high pressure, and obtain a molded product after cooling and solidification. The advantages of this method are fast production speed, high efficiency, automated operation, a wide variety of colors and shapes, from simple to complex, from large to small, and accurate product size, and easy product replacement.

[0003] When the existing extruder is processing, the plastic raw material needs to be put into the box for heating treatment, and then stirred by means of a stirring rod. However, the stirring position of the existing stirring rod is fixed, and the raw material inside the box cannot be fully stirred evenly, thereby reducing the stirring efficiency of the plastic raw material. Summary of the invention

[0004] The purpose of the present application is to provide an extrusion mechanism of a plastic extruder, which can quickly and evenly stir the plastic raw materials inside a material box through the coordinated use of a control component and a sliding component, and then the mixed plastic raw materials enter the interior of a storage tank, and the operation of the extrusion component facilitates the extrusion molding of the plastic raw materials.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical solutions: an extrusion mechanism of a plastic extruder, comprising a mechanism body, a control panel is fixedly installed on the surface of the mechanism body, foot plates are fixedly connected to the four corners of the bottom surface of the mechanism body, a pair of bottom plates are fixedly connected to the top surface of the mechanism body, a pair of support plates are fixedly connected to the top surface of the pair of bottom plates, the top ends of the pair of support plates are fixedly connected to the frame, a material box is fixedly installed on the frame, a through hole is opened at the bottom surface of the material box, a pair of guide rails are fixedly connected to the surface of the material box, a pair of baffles are slidably connected inside the guide rails, the baffles are located at the bottom surface of the through hole, a handle is fixedly connected to the surface of the baffle, a discharge plate is arranged at the bottom surface of the material box, and the discharge plate is fixedly installed on the mechanism body; it also includes a control assembly, a sliding assembly and an extrusion assembly, the control assembly is arranged on the frame for coordinated use, the sliding assembly is arranged on the material box for coordinated use, and the extrusion assembly is arranged on the mechanism body for coordinated use.

[0006] Preferably, the control component includes a support plate fixedly mounted on the frame, a swivel seat fixedly mounted on the support plate, a gear rotatably connected to the swivel seat, one end of the gear is fixedly connected to the output end of the first motor, and the first motor is fixedly mounted on the swivel seat.

[0007] Preferably, a pair of first gear plates are meshed on the gear, and the pair of first gear plates are rotatably connected to the main shaft. A bracket is fixedly connected to the middle section of the main shaft, one end of the bracket is fixedly connected to the side plate, and the bottom end of the side plate is fixedly connected to the bracket.

[0008] Preferably, a cross bar is fixedly connected to the bracket, and arm plates are rotatably connected at both ends of the cross bar. A sliding groove is provided on the arm plate, and a pulley is slidably connected inside the sliding groove, and one end of the pulley is rotatably connected to the first gear disk.

[0009] Preferably, the sliding assembly includes a rod body fixedly connected to the other end of the arm plate, a push plate is sleeved on the middle section of the rod body, the other end of the push plate is rotatably connected to a hinge seat, the hinge seat is fixedly installed in the middle position of the frame body, both ends of the frame body are fixedly connected to a first tooth plate, the bottom end of the first tooth plate is rotatably connected to a roller, the roller is slidably connected to a limit rod, both ends of the limit rod are fixedly connected to a first axle seat, and the first axle seat is fixedly installed on the support plate.

[0010] Preferably, the first tooth plate is meshed with a second tooth disk, the second tooth disk is fixedly connected to the rotating rod, the rotating rod is provided with a second shaft seat, the bottom end of the second shaft seat is fixedly connected to the top surface of the frame, and a pair of sleeve plates are fixedly connected to the rotating rod, a stirring rod is rotatably connected between the bottom ends of the pair of sleeve plates, and the stirring rod is located inside the material box.

[0011] Preferably, the extrusion assembly includes a fixed seat fixedly mounted on the mechanism body, an extrusion box is fixedly mounted on the fixed seat, a storage groove is provided inside the extrusion box, a discharge port is provided on one side of the extrusion box, the discharge port and the storage groove are communicated with each other, a pressure plate is slidably connected inside the storage groove, the pressure plate is fixedly connected to a push rod, and one end of the push rod extends to the bottom surface of the mechanism body through the extrusion box.

[0012] Preferably, one end of the push rod is fixedly connected to an adjustment plate, a pair of sleeves are fixedly connected to the adjustment plate, the pair of sleeves are slidably connected to a positioning rod, one end of the positioning rod is fixedly connected to a ring, and the other end of the positioning rod is fixedly connected to the bottom surface of the mechanism body.

[0013] Preferably, a pair of third shaft seats are fixedly connected to the adjustment plate, a transmission rod is rotatably connected to the pair of third shaft seats, the middle section of the transmission rod is fixedly connected to the output end of the second motor, the other end of the transmission rod is fixedly connected to a third gear plate, the third gear plate and the second gear plate are meshed with each other, and the second gear plate is fixedly installed on the bottom surface of the mechanism body.

[0014] Preferably, a spring is sleeved on the column, two ends of the spring are fixedly connected to one side of the linkage plate and one side of the extrusion box respectively, a guide groove is provided on the linkage plate, a sliding rod is slidably connected inside the guide groove, one end of the sliding rod is fixedly connected to the cutter, the cutter is attached to one side of the extrusion box, a positioning frame is fixedly connected to the cutter, a handle is fixedly connected to the middle position of the positioning frame, the positioning frame is slidably connected to the adjusting rod, the top end of the adjusting rod is fixedly connected to the fourth shaft seat, and the fourth shaft seat is fixedly connected to one side of the extrusion box.

[0015] In summary, the present invention has the following beneficial effects: 1. The present invention has a reasonable structure. When the arm plate needs to be swung up and down, the first motor on the rotating seat operates, and the output end of the first motor is fixedly connected to one end of the gear. The gear is rotated by the operation of the first motor, and a first toothed disc is meshed on the gear. The first toothed disc is rotated by the rotation of the gear. A pulley is rotatably connected to the outer surface of the first toothed disc, and the pulley is slidably connected to the inside of the slide groove. The pulley slides inside the slide groove by the rotation of the first toothed disc, thereby facilitating the arm plate to swing up and down. 2. In the present invention, a rod body is fixedly connected to the other end of the arm plate, and a push plate is rotatably connected to the middle section of the rod body. The other end of the push plate is rotatably connected to the hinge seat, and the hinge seat is fixedly connected to the frame body. The rotating rod swings up and down to push the frame body on the hinge seat to move through the push plate on the rod body. The movement of the frame body causes the roller on the first tooth plate to slide on the limit rod, thereby increasing the stability of the movement of the first tooth plate. The movement of the first tooth plate causes the second tooth disc to rotate, and the rotation of the second tooth disc causes the sleeve plate on the rotating rod to swing back and forth, thereby facilitating the stirring rod to evenly stir the plastic raw materials inside the material box; 3. In the present invention, the stirred plastic raw material enters the inside of the discharge plate through the through hole, and then enters the inside of the storage tank through the discharge plate, and then the second motor operates, and the operation of the second motor causes the third gear plate on the transmission rod to rotate, and the third gear plate will rotate on the second gear plate, so as to facilitate the overall movement of the adjustment plate, and the movement of the adjustment plate causes the sleeve to slide on the positioning rod. The movement of the adjustment plate pushes the pressure plate through the push rod to squeeze the plastic raw material inside the storage tank, and then discharges it through the discharge port, and by pulling the handle up and down, the movement of the handle drives the cutter to move, so as to facilitate the cutting of the molded plastic discharged by the cutter. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the mechanism body; Figure 2 It is a schematic diagram of the three-dimensional structure of the mechanism body from the side; Figure 3 It is a schematic diagram of the three-dimensional structure of the mechanism body when viewed from above; Figure 4 It is a schematic diagram of the three-dimensional structure of the material box; Figure 5 This is a schematic diagram of the three-dimensional structure of the material box when viewed from above; Figure 6 It is a schematic diagram of the three-dimensional structure of the sliding component; Figure 7 It is a schematic diagram of the three-dimensional structure of the extrusion box; Figure 8 It is a schematic diagram of the partial three-dimensional structure of one side of the extrusion box.

[0018] In the figure: 1. Mechanism body; 101. Control panel; 102. Footboard; 103. Bottom plate; 104. Support plate; 105. Frame; 106. Material box; 107. Through hole; 108. Guide rail; 109. Baffle; 110. Handle; 112. Discharge plate; 2. Support plate; 201. Rotating seat; 202. Gear; 203. First motor; 204. First toothed disc; 205. Spindle; 206. Bracket; 207. Side plate; 208. Cross bar; 209. Arm plate; 210. Slide; 211. Pulley; 3. Rod body; 301. Push plate; 302. Articulated seat; 303. Frame body; 304. First toothed plate; 305. Roller; 306. Limit rod; 307. First Axle seat; 308, second toothed disc; 309, rotating rod; 310, second shaft seat; 311, sleeve plate; 312, stirring rod; 4, fixed seat; 401, extrusion box; 402, storage slot; 403, discharge port; 404, pressure plate; 405, push rod; 406, adjustment plate; 407, sleeve seat; 408, positioning rod; 409, sleeve ring; 410, third shaft seat; 411, transmission rod; 412, second motor; 413, third toothed disc; 414, second toothed plate; 5, column; 501, linkage plate; 502, spring; 503, guide groove; 504, slide rod; 505, cutter; 506, positioning frame; 507, handle; 508, adjustment rod; 509, fourth shaft seat. DETAILED DESCRIPTION

[0019] 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.

[0020] Example: Reference Figure 1 - Figure 8The extrusion mechanism of a plastic extruder shown in the figure comprises a mechanism body 1, a control panel 101 is fixedly installed on the surface of the mechanism body 1, foot plates 102 are fixedly connected to the four corners of the bottom surface of the mechanism body 1, a pair of bottom plates 103 are fixedly connected to the top surface of the mechanism body 1, a pair of support plates 104 are fixedly connected to the top surface of the pair of bottom plates 103, the top ends of the pair of support plates 104 are fixedly connected to a frame 105, a material box 106 is fixedly installed on the frame 105, a through hole 107 is opened at the bottom surface of the material box 106, and the surface of the material box 106 is fixed A pair of guide rails 108 are fixedly connected, and a baffle 109 is slidably connected inside the pair of guide rails 108. The baffle 109 is located at the bottom of the through hole 107, and a handle 110 is fixedly connected to the surface of the baffle 109. A discharge plate 112 is provided at the bottom of the material box 106, and the discharge plate 112 is fixedly installed on the mechanism body 1; it also includes a control component, a sliding component and an extrusion component. The control component is arranged on the frame 105 for use in combination, the sliding component is arranged on the material box 106 for use in combination, and the extrusion component is arranged on the mechanism body 1 for use in combination.

[0021] Specifically, it should be noted that the control panel 101, the first motor 203 and the second motor 412 are electrically connected via wires, and their specific working principles are referenced through the prior art, which will not be elaborated herein.

[0022] As an implementation method in this embodiment, the control component includes a support plate 2 fixedly mounted on the frame 105, a swivel seat 201 is fixedly mounted on the support plate 2, a gear 202 is rotatably connected to the swivel seat 201, one end of the gear 202 is fixedly connected to the output end of the first motor 203, the first motor 203 is fixedly mounted on the swivel seat 201, a pair of first toothed discs 204 are meshed on the gear 202, the pair of first toothed discs 204 are rotatably connected to the main shaft 205, a bracket 206 is fixedly connected to the middle section of the main shaft 205, one end of the bracket 206 is fixedly connected to the side plate 207, the bottom end of the side plate 207 is fixedly connected to the support plate 2, a cross bar 208 is fixedly connected to the bracket 206, both ends of the cross bar 208 are rotatably connected to arm plates 209, a slide groove 210 is opened on the arm plate 209, a pulley 211 is slidably connected inside the slide groove 210, and one end of the pulley 211 is rotatably connected to the first toothed disc 204.

[0023] Specifically, when the arm plate 209 needs to be swung up and down, the first motor 203 on the swivel seat 201 is operated, and the output end of the first motor 203 is fixedly connected to one end of the gear 202. The gear 202 is rotated by the operation of the first motor 203. The gear 202 is meshed with a first toothed disc 204, and the first toothed disc 204 is rotated by the rotation of the gear 202. The outer surface of the first toothed disc 204 is rotatably connected to the pulley 211, and the pulley 211 is slidably connected to the inside of the slide groove 210. The rotation of the first toothed disc 204 makes the pulley 211 slide inside the slide groove 210, thereby facilitating the arm plate 209 to swing up and down.

[0024] As an implementation method in this embodiment, the sliding assembly includes a rod body 3 fixedly connected to the other end of the arm plate 209, a push plate 301 is sleeved on the middle section of the rod body 3, the other end of the push plate 301 is rotatably connected to the hinge seat 302, the hinge seat 302 is fixedly installed in the middle position of the frame body 303, the two ends of the frame body 303 are fixedly connected to the first tooth plate 304, the bottom end of the first tooth plate 304 is rotatably connected to the roller 305, the roller 305 is slidably connected to the limit rod 306, and the two ends of the limit rod 306 are fixed It is connected to the first shaft seat 307, and the first shaft seat 307 is fixedly mounted on the support plate 104. The first tooth plate 304 is meshed with a second tooth disc 308, and the second tooth disc 308 is fixedly connected to the rotating rod 309. The rotating rod 309 is sleeved with a second shaft seat 310, and the bottom end of the second shaft seat 310 is fixedly connected to the top surface of the frame 105. A pair of sleeve plates 311 are fixedly connected to the rotating rod 309, and a stirring rod 312 is rotatably connected between the bottom ends of the pair of sleeve plates 311, and the stirring rod 312 is located inside the material box 106.

[0025] Specifically, the other end of the arm plate 209 is fixedly connected to the rod body 3, and the middle section of the rod body 3 is rotatably connected to the push plate 301, the other end of the push plate 301 is rotatably connected to the hinge seat 302, and the hinge seat 302 is fixedly connected to the frame body 303, and the rotating rod 309 swings up and down to push the frame body 303 on the hinge seat 302 to move through the push plate 301 on the rod body 3, and the movement of the frame body 303 causes the roller 305 on the first tooth plate 304 to slide on the limit rod 306, thereby increasing the stability of the movement of the first tooth plate 304, and the movement of the first tooth plate 304 causes the second tooth disc 308 to rotate, and the rotation of the second tooth disc 308 causes the sleeve plate 311 on the rotating rod 309 to swing back and forth, thereby facilitating the stirring rod 312 to evenly stir the plastic raw materials inside the material box 106.

[0026] As an implementation method in this embodiment, the extrusion assembly includes a fixed seat 4 fixedly mounted on the mechanism body 1, an extrusion box 401 is fixedly mounted on the fixed seat 4, a storage groove 402 is opened inside the extrusion box 401, a discharge port 403 is opened on one side of the extrusion box 401, the discharge port 403 and the storage groove 402 are connected to each other, and a pressure plate 404 is slidably connected inside the storage groove 402, and the pressure plate 404 is fixedly connected to the push rod 405, and one end of the push rod 405 passes through the extrusion box 401 extends to the bottom surface of the mechanism body 1, one end of the push rod 405 is fixedly connected to an adjustment plate 406, a pair of sleeve seats 407 are fixedly connected to the adjustment plate 406, the pair of sleeve seats 407 are slidably connected to the positioning rod 408, one end of the positioning rod 408 is fixedly connected to a collar 409, the other end of the positioning rod 408 is fixedly connected to the bottom surface of the mechanism body 1, a pair of third shaft seats 410 are fixedly connected to the adjustment plate 406, and a transmission rod is rotatably connected to the pair of third shaft seats 410 411, the middle section of the transmission rod 411 is fixedly connected to the output end of the second motor 412, the other end of the transmission rod 411 is fixedly connected to the third toothed disc 413, the third toothed disc 413 and the second toothed plate 414 are meshed with each other, the second toothed plate 414 is fixedly installed on the bottom surface of the mechanism body 1, the column 5 is sleeved with a spring 502, the two ends of the spring 502 are respectively fixedly connected to one side of the linkage plate 501 and one side of the extrusion box 401, and the linkage plate 501 is provided with a guide groove 50 3. A slide bar 504 is slidably connected inside the guide groove 503, one end of the slide bar 504 is fixedly connected to a cutter 505, the cutter 505 is attached to one side of the extrusion box 401, a positioning frame 506 is fixedly connected to the cutter 505, a handle 507 is fixedly connected to the middle of the positioning frame 506, the positioning frame 506 is slidably connected to an adjusting rod 508, the top end of the adjusting rod 508 is fixedly connected to a fourth shaft seat 509, and the fourth shaft seat 509 is fixedly connected to one side of the extrusion box 401.

[0027] Specifically, the stirred plastic raw material enters the discharge plate 112 through the through hole 107, and then enters the storage tank 402 through the discharge plate 112, and then the second motor 412 operates. The operation of the second motor 412 causes the third gear plate 413 on the transmission rod 411 to rotate, and the third gear plate 413 will rotate on the second gear plate 414, so as to facilitate the overall movement of the adjustment plate 406. The movement of the adjustment plate 406 causes the sleeve 407 to slide on the positioning rod 408. The movement of the adjustment plate 406 pushes the pressure plate 404 through the push rod 405 to squeeze the plastic raw material inside the storage tank 402, and then discharges it through the discharge port 403. By pulling the handle 507 up and down, the movement of the handle 507 drives the cutter 505 to move, so as to facilitate the cutting of the molded plastic discharged by the cutter 505.

[0028] Working principle of the present invention: when the arm plate 209 needs to be swung up and down, the first motor 203 on the rotating seat 201 is operated, and the output end of the first motor 203 is fixedly connected to one end of the gear 202. The gear 202 is rotated by the operation of the first motor 203. The gear 202 is meshed with a first toothed disc 204. The first toothed disc 204 is rotated by the rotation of the gear 202. The outer surface of the first toothed disc 204 is rotatably connected to a pulley 211, and the pulley 211 is slidably connected to the inside of the slide groove 210. The rotation of the first toothed disc 204 causes the pulley 211 to slide inside the slide groove 210, thereby facilitating the arm plate 209 to swing up and down; The other end of the arm plate 209 is fixedly connected to the rod body 3, and the middle section of the rod body 3 is rotatably connected to the push plate 301, the other end of the push plate 301 is rotatably connected to the hinge seat 302, and the hinge seat 302 is fixedly connected to the frame body 303, and the rotating rod 309 swings up and down to push the frame body 303 on the hinge seat 302 to move through the push plate 301 on the rod body 3, and the movement of the frame body 303 causes the roller 305 on the first tooth plate 304 to slide on the limit rod 306, thereby increasing the stability of the movement of the first tooth plate 304, and the movement of the first tooth plate 304 causes the second tooth disc 308 to rotate, and the rotation of the second tooth disc 308 causes the sleeve plate 311 on the rotating rod 309 to swing back and forth, so that the stirring rod 312 can evenly stir the plastic raw materials inside the material box 106; The stirred plastic raw material enters the discharge plate 112 through the through hole 107, and then enters the storage tank 402 through the discharge plate 112, and then the second motor 412 operates. The operation of the second motor 412 causes the third gear plate 413 on the transmission rod 411 to rotate, and the third gear plate 413 will rotate on the second gear plate 414, so as to facilitate the overall movement of the adjustment plate 406. The movement of the adjustment plate 406 causes the sleeve 407 to slide on the positioning rod 408. The movement of the adjustment plate 406 pushes the pressure plate 404 through the push rod 405 to squeeze the plastic raw material inside the storage tank 402, and then discharges it through the discharge port 403. By pulling the handle 507 up and down, the movement of the handle 507 drives the cutter 505 to move, so as to facilitate the cutting of the molded plastic discharged by the cutter 505.

[0029] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An extrusion mechanism of a plastic extruder, comprising a mechanism body (1), characterized in that: A control panel (101) is fixedly mounted on the surface of the mechanism body (1); foot plates (102) are fixedly connected to the four corners of the bottom surface of the mechanism body (1); a pair of bottom plates (103) are fixedly connected to the top surface of the mechanism body (1); a pair of support plates (104) are fixedly connected to the top surfaces of the pair of bottom plates (103); the top ends of the pair of support plates (104) are fixedly connected to a frame (105); a material box (106) is fixedly mounted on the frame (105); the material box (106) A through hole (107) is provided at the bottom of the material box (106); a pair of guide rails (108) are fixedly connected to the surface of the material box (106); a baffle (109) is slidably connected inside the pair of guide rails (108); the baffle (109) is located at the bottom of the through hole (107); a handle (110) is fixedly connected to the surface of the baffle (109); a discharge plate (112) is provided at the bottom of the material box (106); and the discharge plate (112) is fixedly mounted on the mechanism body (1); It also includes a control component, a sliding component and an extrusion component, wherein the control component is arranged on the frame (105) for use in conjunction with the frame, the sliding component is arranged on the material box (106) for use in conjunction with the frame, and the extrusion component is arranged on the mechanism body (1) for use in conjunction with the frame.

2. The extrusion mechanism of a plastic extruder according to claim 1, characterized in that: The control component comprises a support plate (2) fixedly mounted on the frame (105); a swivel seat (201) is fixedly mounted on the support plate (2); a gear (202) is rotatably connected to the swivel seat (201); one end of the gear (202) is fixedly connected to an output end of a first motor (203); and the first motor (203) is fixedly mounted on the swivel seat (201).

3. The extrusion mechanism of a plastic extruder according to claim 2, characterized in that: A pair of first toothed discs (204) are meshed on the gear (202), and the pair of first toothed discs (204) are rotatably connected to the main shaft (205). A bracket (206) is fixedly connected to the middle section of the main shaft (205), one end of the bracket (206) is fixedly connected to the side plate (207), and the bottom end of the side plate (207) is fixedly connected to the bracket (2).

4. The extrusion mechanism of a plastic extruder according to claim 3, characterized in that: A cross bar (208) is fixedly connected to the bracket (206), and arm plates (209) are rotatably connected at both ends of the cross bar (208). A sliding groove (210) is provided on the arm plate (209), and a pulley (211) is slidably connected inside the sliding groove (210), and one end of the pulley (211) is rotatably connected to the first toothed disc (204).

5. The extrusion mechanism of a plastic extruder according to claim 4, characterized in that: The sliding assembly comprises a rod body (3) fixedly connected to the other end of the arm plate (209); a push plate (301) is sleeved at the middle section of the rod body (3); the other end of the push plate (301) is rotatably connected to a hinge seat (302); the hinge seat (302) is fixedly mounted at the middle position of a frame body (303); both ends of the frame body (303) are fixedly connected to a first tooth plate (304); the bottom end of the first tooth plate (304) is rotatably connected to a roller (305); the roller (305) is slidably connected to a limit rod (306); both ends of the limit rod (306) are fixedly connected to a first shaft seat (307); and the first shaft seat (307) is fixedly mounted on the support plate (104).

6. The extrusion mechanism of a plastic extruder according to claim 5, characterized in that: The first tooth plate (304) is meshed with a second tooth disc (308), the second tooth disc (308) is fixedly connected to a rotating rod (309), a second shaft seat (310) is sleeved on the rotating rod (309), the bottom end of the second shaft seat (310) is fixedly connected to the top surface of the frame (105), a pair of sleeve plates (311) are fixedly connected to the rotating rod (309), a stirring rod (312) is rotatably connected between the bottom ends of the pair of sleeve plates (311), and the stirring rod (312) is located inside the material box (106).

7. The extrusion mechanism of a plastic extruder according to claim 2, characterized in that: The extrusion assembly comprises a fixing seat (4) fixedly mounted on the mechanism body (1); an extrusion box (401) is fixedly mounted on the fixing seat (4); a storage groove (402) is provided inside the extrusion box (401); a discharge port (403) is provided on one side of the extrusion box (401); the discharge port (403) and the storage groove (402) are communicated with each other; a pressure plate (404) is slidably connected inside the storage groove (402); the pressure plate (404) is fixedly connected to a push rod (405); one end of the push rod (405) extends through the extrusion box (401) to the bottom surface of the mechanism body (1).

8. The extrusion mechanism of a plastic extruder according to claim 7, characterized in that: One end of the push rod (405) is fixedly connected to an adjustment plate (406), a pair of sleeves (407) are fixedly connected to the adjustment plate (406), the pair of sleeves (407) are slidably connected to a positioning rod (408), one end of the positioning rod (408) is fixedly connected to a collar (409), and the other end of the positioning rod (408) is fixedly connected to the bottom surface of the mechanism body (1).

9. The extrusion mechanism of a plastic extruder according to claim 8, characterized in that: A pair of third shaft seats (410) are fixedly connected to the adjustment plate (406); a transmission rod (411) is rotatably connected to the pair of third shaft seats (410); a middle section of the transmission rod (411) is fixedly connected to an output end of a second motor (412); a third toothed disc (413) is fixedly connected to the other end of the transmission rod (411); the third toothed disc (413) and the second toothed plate (414) are meshed with each other; and the second toothed plate (414) is fixedly mounted on the bottom surface of the mechanism body (1).

10. The extrusion mechanism of a plastic extruder according to claim 9, characterized in that: A pair of columns (5) are fixedly connected to one side of the extrusion box (401), one end of the pair of columns (5) is fixedly connected to a linkage plate (501), a spring (502) is sleeved on the column (5), two ends of the spring (502) are respectively fixedly connected to one side of the linkage plate (501) and one side of the extrusion box (401), a guide groove (503) is provided on the linkage plate (501), a slide rod (504) is slidably connected to the inside of the guide groove (503), and the slide rod (504) is One end is fixedly connected to a cutter (505), the cutter (505) is attached to one side of the extrusion box (401), a positioning frame (506) is fixedly connected to the cutter (505), a handle (507) is fixedly connected to the middle of the positioning frame (506), the positioning frame (506) is slidably connected to an adjustment rod (508), the top end of the adjustment rod (508) is fixedly connected to a fourth shaft seat (509), and the fourth shaft seat (509) is fixedly connected to one side of the extrusion box (401).

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