CN115230109A

CN115230109A - Extrusion molding device is used in production of plastics dysmorphism material

Info

Publication number: CN115230109A
Application number: CN202211148488.3A
Authority: CN
Inventors: 卢化圣; 卢运通
Original assignee: Ji'nan Guohong Building Materials Co ltd
Current assignee: Ji'nan Guohong Building Materials Co ltd
Priority date: 2022-09-21
Filing date: 2022-09-21
Publication date: 2022-10-25
Anticipated expiration: 2042-09-21
Also published as: CN115230109B

Abstract

The invention provides an extrusion molding device for producing plastic special-shaped materials, which relates to the technical field of plastic special-shaped material production and comprises a workbench, wherein a movable bottom plate is movably arranged on the upper surface of the workbench, a first driving mechanism for driving the movable bottom plate to move is arranged on one side of the workbench, molding dies are movably arranged on two sides of the upper surface of the movable bottom plate, and a second driving mechanism for driving the molding dies to move is arranged in the movable bottom plate. According to the invention, through the matching between the inclined plane on one side of the trapezoidal guide block and the guide inclined plane at the bottom of the limiting plate, the adjusting rod can drive the cutting blade to move downwards to be attached to the lower surface of the forming die, so that the cutting blade can cut extruded redundant materials in the resetting process, the redundant parts are separated from the formed product, manual follow-up secondary processing and finishing on the redundant parts are not needed, and the processing efficiency can be effectively improved.

Description

Extrusion molding device is used in production of plastics dysmorphism material

Technical Field

The invention relates to the technical field of plastic profiled bar production, in particular to an extrusion molding device for producing a plastic profiled bar.

Background

The production and processing modes of plastic products are various, wherein the extrusion molding is a processing method which is frequently used in the production of the plastic products, plastic irregular materials are troublesome in processing by adopting a common processing method due to the shape of the plastic irregular materials, most of the plastic irregular materials can be processed by adopting the extrusion molding mode, but the existing extrusion molding device directly remains extruded redundant materials at the end parts of the products after finishing the preliminary extrusion molding of the products, the redundant parts are cut and repaired by manual operation, the molding work of the products can be finished by multiple processes, the processing efficiency is greatly reduced, so the improvement is made, and the extrusion molding device for the production of the plastic irregular materials is provided.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides an extrusion molding device for producing a plastic special-shaped material, which solves the problems that after the primary extrusion molding of a product is finished, extruded redundant materials directly remain at the end part of the product, the redundant parts need to be cut and trimmed by manual operation, and the processing efficiency is greatly reduced.

In order to realize the purpose, the invention adopts the technical scheme that:

the utility model provides an extrusion moulding device is used in production of plastics dysmorphism material, includes the workstation, the upper surface activity of workstation is provided with the removal bottom plate, one side of workstation is provided with the first actuating mechanism that the drive removed the bottom plate and removes, the upper surface both sides of removing the bottom plate all move about and are provided with forming die, the inside of removing the bottom plate is provided with the second actuating mechanism that the drive forming die removed, it is provided with cutting mechanism to remove bottom plate one side, upper surface one side fixed mounting of workstation has the support frame, feeding mechanism is installed to top one side of support frame.

As preferred, first mounting groove has all been seted up to the upper surface both sides of workstation, the upper surface middle part of workstation runs through and has been seted up and dodge the groove, a drive mechanism is including a driving motor and a spacing slide bar, a driving motor fixed mounting is in the one end of workstation, a accommodate the lead screw is installed to a driving motor's output, a accommodate the lead screw's the other end rotates and sets up inside the first mounting groove in corresponding position, movable mounting has a first lead screw cover on the pole body of a accommodate the lead screw, the top fixed mounting of a lead screw cover is at the lower surface of removal bottom plate, a spacing slide bar sets up the inside of keeping away from a accommodate the lead screw's first mounting groove, the bottom one side of removal bottom plate slides and sets up on the pole body of a spacing slide bar.

As preferred, the upper surface both sides of moving the bottom plate all be provided with forming die sliding fit's slide rail, every the equal fixed mounting in both ends tip of slide rail has the baffle, the inside second mounting groove that is provided with of moving the bottom plate, spacing spout has all been seted up on the both sides inner wall of second mounting groove, the third mounting groove has all been seted up on the both sides surface of moving the bottom plate.

Preferably, the second driving mechanism comprises a second driving motor, the second driving motor is fixedly mounted on the lower surface of the movable bottom plate, a driving gear is mounted at the output end of the second driving motor and located inside the second mounting groove, and the top of the driving gear is rotatably arranged on the inner wall of the top of the second mounting groove.

Preferably, the two sides of the driving gear are respectively meshed with toothed plates, each toothed plate is arranged inside the second mounting groove in a sliding mode, a limiting sliding block in sliding fit with a limiting sliding groove is arranged on the surface of one side of each toothed plate, a connecting block is fixedly mounted on one side of the upper surface, away from each other, of each toothed plate, and the connecting blocks are respectively and fixedly mounted at the bottoms of the forming molds at the corresponding positions.

Preferably, one side of each forming die is provided with a forming groove, and the top of each forming die is also provided with a discharge port.

Preferably, the cutting mechanism comprises a first supporting rod, a third driving motor and a second limiting sliding rod, the first supporting rod is movably arranged on two sides of the movable bottom plate, the second limiting sliding rod is arranged in one third mounting groove, the bottom of one first supporting rod is arranged on the rod body of the second limiting sliding rod in a sliding mode, and the third driving motor is fixedly arranged on one side surface of the movable bottom plate.

Preferably, the output end of the third driving motor is located in a third mounting groove in the corresponding position, a second adjusting screw rod is mounted inside the third mounting groove, a second screw rod sleeve is movably mounted on the rod body of the second adjusting screw rod, one side of the second screw rod sleeve is fixedly mounted at the bottom of one of the first supporting rods, and each of the first supporting rods is provided with a buffer groove at the top and is provided with a connecting spring inside and a regulating rod at the end of the connecting spring.

As preferred, every installation slot has all been seted up at the top of adjusting the pole, every there is the installation piece, every to adjust the equal movable mounting in pole one side a side surface of installation piece all be provided with installation slot complex installation fixture block, two install cutting blade, one of them between the installation piece one side of installation piece is provided with trapezoidal guide block, the last surface one side fixed mounting of workstation has the second bracing piece the top fixed mounting of second bracing piece has the limiting plate, lower surface one side of limiting plate is provided with the guide inclined plane.

As preferred, feeding mechanism is including the storage bucket, storage bucket fixed mounting is in one side of support frame, storage bucket's top one side is provided with the charge door, storage bucket's upper surface center department fixed mounting has fourth driving motor, fourth driving motor's output and the internally mounted who is located storage bucket have the transport auger, storage bucket's ladle body inside is provided with the annular mounting groove, the inside heating coil that is provided with of annular mounting groove, storage bucket's bottom is provided with the discharge gate.

Compared with the prior art, the invention has the following beneficial effects:

1. after two forming die compound dies, rotate through the first accommodate the lead screw of a driving motor drive, make first lead screw cover drive whole removal bottom plate and remove, at the removal in-process, the trapezoidal guide piece of adjusting pole one side can contact with the limiting plate earlier, make the inclined plane of trapezoidal guide piece one side can cooperate with the guide inclined plane of limiting plate bottom, the continuation of removal bottom plate removes after the cooperation, can make the limiting plate push down the regulation pole, and then can make the installation piece drive cutting blade and move down, make its lower surface laminating with forming die, then rethread third driving motor's drive makes cutting blade reset to original position, can cut the unnecessary material that extrudes at the in-process that resets, make unnecessary part separate with the product after the shaping, need not artifical follow-up and carry out secondary operation to unnecessary part and maintain, can effectively improve machining efficiency.

2. Through the meshing effect between drive gear and the pinion rack, can make forming die more stable at the removal in-process, the extrusion force that produces raw and other materials is also bigger, is favorable to carrying out shaping work more, and forming die carries on spacingly through the slide rail that removes bottom plate surface both sides, makes it can not produce the skew at the removal in-process, and the compound die position is more accurate, conveniently carries out shaping work more.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 isbase:Sub>A schematic cross-sectional perspective view taken along line A-A of FIG. 2 according to the present invention;

FIG. 4 is a schematic cross-sectional perspective view taken at B-B of FIG. 2 according to the present invention;

FIG. 5 is an enlarged view of the invention at E in FIG. 4;

FIG. 6 is a front view of the present invention;

FIG. 7 is a schematic cross-sectional perspective view taken at C-C of FIG. 6 in accordance with the present invention;

FIG. 8 is a schematic cross-sectional perspective view taken at D-D of FIG. 6 in accordance with the present invention;

FIG. 9 is an enlarged view at F of FIG. 7 of the present invention;

FIG. 10 is an enlarged view of the invention at G of FIG. 8;

FIG. 11 is an enlarged view at H of FIG. 3 of the present invention;

FIG. 12 is a schematic perspective view of the feeding mechanism of the present invention;

fig. 13 is a schematic cross-sectional three-dimensional structure of the feeding mechanism of the present invention.

In the figure: 1. a work table; 101. a first mounting groove; 102. an avoidance groove; 2. moving the base plate; 201. a slide rail; 2011. a baffle plate; 202. a second mounting groove; 2021. a limiting chute; 203. a third mounting groove; 3. a first drive mechanism; 301. a first drive motor; 302. a first adjusting screw rod; 303. a first screw rod sleeve; 304. a first limit slide bar; 4. forming a mold; 401. forming a groove; 402. a discharge outlet; 5. a second drive mechanism; 501. a second drive motor; 502. a drive gear; 503. a toothed plate; 5031. a limiting slide block; 504. connecting blocks; 6. a cutting mechanism; 601. a first support bar; 6011. a buffer tank; 6012. a connecting spring; 602. a third drive motor; 603. a second adjusting screw rod; 604. a second screw rod sleeve; 605. adjusting a rod; 6051. installing a clamping groove; 6052. a trapezoidal guide block; 606. mounting a block; 6061. installing a clamping block; 607. a cutting blade; 608. a second limit slide bar; 7. a support frame; 8. a feeding mechanism; 801. a feeding barrel; 802. a feed inlet; 803. a fourth drive motor; 804. conveying the auger; 805. a discharge port; 806. an annular mounting groove; 8061. a heating coil; 9. a second support bar; 10. a limiting plate; 1001. a guide ramp.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1, an extrusion molding device is used in production of plastics abnormal material, including workstation 1, the activity of the upper surface of workstation 1 is provided with removal bottom plate 2, one side of workstation 1 is provided with the first actuating mechanism 3 that the drive removed bottom plate 2 and removed, the activity of the upper surface both sides of removing bottom plate 2 is all provided with forming die 4, the inside of removing bottom plate 2 is provided with the second actuating mechanism 5 that drives forming die 4 and remove, it is provided with cutting mechanism 6 to remove bottom plate 2 one side, upper surface one side fixed mounting of workstation 1 has support frame 7, feeding mechanism 8 is installed to top one side of support frame 7.

As shown in fig. 2 to 4, the first mounting grooves 101 are formed in both sides of the upper surface of the workbench 1, the avoidance groove 102 is formed in the middle of the upper surface of the workbench 1, the first driving mechanism 3 includes a first driving motor 301 and a first limit slide bar 304, the first driving motor 301 is fixedly mounted at one end of the workbench 1, the first adjusting screw 302 is mounted at an output end of the first driving motor 301, the other end of the first adjusting screw 302 is rotatably disposed in the first mounting groove 101 at a corresponding position, a first screw sleeve 303 is movably mounted on a shaft of the first adjusting screw 302, a top of the first screw sleeve 303 is fixedly mounted on a lower surface of the movable bottom plate 2, the first limit slide bar 304 is disposed inside the first mounting groove 101 away from the first adjusting screw 302, one side of the bottom of the movable bottom plate 2 is slidably disposed on a shaft of the first limit slide bar 304, the first adjusting screw 302 and the first screw sleeve 303 are engaged for transmission, so that the driving of the first driving motor 301 can drive the entire movable bottom plate 2 to move, thereby facilitating the removal of the product after molding, and further stabilizing the movement of the first limit slide bar 304.

As shown in fig. 3-7, both sides of the upper surface of the movable bottom plate 2 are provided with slide rails 201 which are in sliding fit with the forming mold 4, both ends of each slide rail 201 are fixedly provided with a baffle 2011, the movable bottom plate 2 is internally provided with a second mounting groove 202, a limiting chute 2021 is formed on the inner walls of both sides of the second mounting groove 202, the surfaces of both sides of the movable bottom plate 2 are provided with third mounting grooves 203, the position of the forming mold 4 can be limited by arranging the slide rails 201, so that the position deviation of the forming mold 4 can not be generated in the moving process, the mold closing position is more accurate, and the forming work can be performed more conveniently.

As shown in fig. 4-7, the second driving mechanism 5 includes a second driving motor 501, the second driving motor 501 is fixedly installed on the lower surface of the movable bottom plate 2, a driving gear 502 is installed at the output end of the second driving motor 501 and inside the second mounting groove 202, the top of the driving gear 502 is rotatably installed on the inner wall of the top of the second mounting groove 202, two sides of the driving gear 502 are respectively engaged with toothed plates 503, each toothed plate 503 is slidably installed inside the second mounting groove 202, a limit slider 5031 slidably engaged with a limit sliding groove 2021 is provided on one side surface of each toothed plate 503, a connecting block 504 is fixedly installed on one side of the upper surface where the two toothed plates 503 are far away from each other, the two connecting blocks 504 are respectively fixedly installed at the bottom of the forming mold 4 at the corresponding position, the forming mold 4 is connected with the toothed plate 503 at the corresponding position through the connecting block 504, so that the forming mold 4 moves synchronously along with the toothed plates 503, and the toothed plates 503 can be more stable during the movement of the toothed plates 503 by sliding the limit slider 5031 installed inside the limit sliding block 2021 at the toothed plates 503.

As shown in fig. 4, a forming groove 401 is provided at one side of each forming mold 4, a discharge opening 402 is further provided at the top of each forming mold 4, the material is formed inside through the forming groove 401, and the excess material can be discharged during the extrusion process through the discharge opening 402 at the top.

As shown in fig. 4 and fig. 7 to 11, the cutting mechanism 6 includes a first supporting rod 601, a third driving motor 602, and a second limiting slide rod 608, the first supporting rod 601 is movably disposed on two sides of the moving base plate 2, the second limiting slide rod 608 is mounted inside one of the third mounting grooves 203, the bottom of one of the first supporting rods 601 is slidably disposed on a rod body of the second limiting slide rod 608, the third driving motor 602 is fixedly mounted on a side surface of the moving base plate 2, a second adjusting screw 603 is mounted inside the third mounting groove 203 at a corresponding position at an output end of the third driving motor 602, a second screw sleeve 604 is movably mounted on a rod body of the second adjusting screw 603, one side of the second screw sleeve 604 is fixedly mounted at the bottom of one of the first supporting rods 601, a buffer groove 6011 is disposed at the top of each of the first supporting rod 602, a connecting spring 6012 is mounted inside each buffer groove 6012, an end of each connecting spring 6012 is mounted at an adjusting rod, a top of each adjusting rod 604 is provided with a mounting bar 6051, a mounting block 6051 is disposed at a side of each adjusting rod, a guiding block 609 is disposed on a surface 609 of the mounting block 609 of the supporting rod 609, a mounting block 609, a guide block 609 at a side of the top of the mounting block 609, a guide 609 is disposed on a side of the mounting plate 609, and a guide block 6010, and a guide block 606, and a guide block 609 is disposed between the top of the guide 6010, and a guide 6010 of the guide 60block 609, and a guide 6010, and a guide 60block 609 is disposed on a guide 609, and a guide 6010 of the top surface 609, and a guide 6010.

Through the meshing effect between second accommodate the lead screw 603 and the second lead screw cover 604, make the drive of third driving motor 602 can drive two first bracing pieces 601 and remove, thereby drive cutting blade 607 and remove and carry out cutting work, through setting up at the coupling spring 6012 of adjusting pole 605 bottom, make whole regulation pole 605 can reciprocate, conveniently carry out the excision work of unnecessary material, one of them first bracing piece 601 slides and sets up on the spacing slide bar 608 of second, make it can follow another first bracing piece 601 synchronous motion, through the chucking cooperation between installation fixture block 6061 and the installation slot 6051, make cutting blade 607 carry out movable mounting, it is convenient to dismantle, conveniently change.

As shown in fig. 12 and 13, the feeding mechanism 8 includes a feeding barrel 801, the feeding barrel 801 is fixedly installed at one side of the supporting frame 7, a feeding port 802 is disposed at one side of the top of the feeding barrel 801, a fourth driving motor 803 is fixedly installed at the center of the upper surface of the feeding barrel 801, a conveying auger 804 is installed at the output end of the fourth driving motor 803 and inside the feeding barrel 801, an annular installation groove 806 is disposed inside the barrel body of the feeding barrel 801, a heating coil 8061 is disposed inside the annular installation groove 806, a discharging port 805 is disposed at the bottom of the feeding barrel 801, and the material inside the feeding barrel 801 can be heated by the heating coil 8061 to be in a molten state and discharged from the discharging port 805 under the conveying action of the conveying auger 804, so as to facilitate molding.

This extrusion moulding device is used in production of plastics dysmorphism material's theory of operation:

when the material feeding device is used, raw materials are added into the feeding barrel 801 through the feeding port 802, the conveying auger 804 is driven to rotate through the fourth driving motor 803, the raw materials are conveyed, the raw materials can be heated through the heating coil 8061 arranged inside the annular mounting groove 806 to be in a molten state, the raw materials can be extruded out of the discharging port 805 through the conveying effect of the conveying auger 804, the top of the raw materials can be cut through the operation of the cutting mechanism 6, the extruded raw materials are separated from the raw materials inside the feeding barrel 801, then the two forming dies 4 are driven to approach to the middle through the second driving mechanism 5, the extruded raw materials are extruded through the forming grooves 401 arranged inside the two forming dies 4 in the moving process, the raw materials are formed into the shape of the prefabricated forming grooves 401, then the whole moving bottom plate 2 is driven to move to one side of the feeding mechanism 8 through the first driving mechanism 3, the extruded redundant materials are cut through the cutting mechanism 6, and the surplus extruded materials are separated after the inside of the forming dies 4 is cooled.

In the process of driving the two forming molds 4 to move by the second driving mechanism 5, the driving gear 502 is rotated by the operation of the second driving motor 501, under the meshing action between the driving gear 502 and the two toothed plates 503, the toothed plates 503 can move, because the two toothed plates 503 are diagonally arranged and opposite in direction, the two toothed plates 503 can synchronously move in opposite directions and at the same distance, so that the moving distances of the two forming molds 4 are the same, in the process of moving the forming molds 4, the middle raw material can be extruded, the raw material can be diffused into the forming groove 401, the redundant material can be discharged from the discharge port 402 at the top, through the meshing action between the driving gear 502 and the toothed plates 503, the forming molds 4 can be more stable in the moving process, the extrusion force generated by the raw material is larger, the forming work can be more facilitated, the forming molds 4 are limited by the sliding rails on two sides of the surface of the moving bottom plate 2, the mold closing position can not be deviated in the moving process, and the mold closing position is more accurate and the forming work can be more convenient.

After enough raw materials are extruded from the discharge port 805 in the feeding mechanism 8, the third driving motor 602 drives the second adjusting screw 603 to rotate, so that the second screw sleeve 604 drives the first supporting rod 601 to move, and further, the cutting blade 607 can move to the other side through the raw materials, and the cutting and separating work of the raw materials is completed.

It should be understood that the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention, and it will be obvious to those skilled in the art that other variations and modifications can be made on the basis of the above description, and all embodiments cannot be exhaustive, and obvious variations and modifications may be made within the scope of the present invention.

Claims

1. The utility model provides a production of plastics dysmorphism material is with extrusion moulding device, includes workstation (1), its characterized in that: the upper surface activity of workstation (1) is provided with removal bottom plate (2), one side of workstation (1) is provided with the first actuating mechanism (3) that the drive removed bottom plate (2) and removed, the upper surface both sides of removing bottom plate (2) all move about and are provided with forming die (4), the inside of removing bottom plate (2) is provided with second actuating mechanism (5) that drive forming die (4) removed, it is provided with cutting mechanism (6) to remove bottom plate (2) one side, upper surface one side fixed mounting of workstation (1) has support frame (7), feeding mechanism (8) are installed to top one side of support frame (7).

2. The extrusion molding apparatus for producing a plastic profile according to claim 1, wherein: first mounting groove (101) have all been seted up to the upper surface both sides of workstation (1), the upper surface middle part of workstation (1) runs through and has been seted up and dodge groove (102), first actuating mechanism (3) are including first driving motor (301) and first spacing slide bar (304), first driving motor (301) fixed mounting is in the one end of workstation (1), first accommodate the lead screw (302) is installed to the output of first driving motor (301), the other end of first accommodate the lead screw (302) rotates and sets up inside corresponding position first mounting groove (101), movable mounting has first lead screw cover (303) on the pole body of first accommodate the lead screw (302), the top fixed mounting of first lead screw cover (303) is at the lower surface that removes bottom plate (2), first spacing slide bar (304) set up in the inside of keeping away from first mounting groove (101) of first accommodate the lead screw (302), bottom one side of removing bottom plate (2) slides and sets up on the pole body of first spacing slide bar (304).

3. The extrusion molding apparatus for producing a plastic profile according to claim 1, wherein: the upper surface both sides of moving bottom plate (2) all are provided with slide rail (201) with forming die (4) sliding fit, every the equal fixed mounting in both ends tip of slide rail (201) has baffle (2011), move inside second mounting groove (202) that is provided with of bottom plate (2), spacing spout (2021) have all been seted up on the both sides inner wall of second mounting groove (202), third mounting groove (203) have all been seted up on the both sides surface of moving bottom plate (2).

4. The extrusion molding apparatus for producing a plastic profile according to claim 3, wherein: second actuating mechanism (5) is including second driving motor (501), second driving motor (501) fixed mounting has drive gear (502) at the lower surface that removes bottom plate (2), the output of second driving motor (501) and the internally mounted who is located second mounting groove (202), the top of drive gear (502) is rotated and is set up on second mounting groove (202) top inner wall.

5. The extrusion molding apparatus for producing a plastic profile according to claim 4, wherein: both sides of drive gear (502) all mesh toothed plate (503), every toothed plate (503) all slides and sets up in the inside of second mounting groove (202), every one side surface of toothed plate (503) all is provided with spacing slider (5031) with spacing spout (2021) sliding fit, two upper surface one side fixed mounting that toothed plate (503) kept away from each other has connecting block (504), two connecting block (504) fixed mounting is respectively in the bottom of corresponding position department forming die (4).

6. The extrusion molding apparatus for producing a plastic profile according to claim 1, wherein: one side of each forming die (4) is provided with a forming groove (401), and the top of each forming die (4) is also provided with a discharge hole (402).

7. The extrusion molding apparatus for producing a plastic profile according to claim 1, wherein: the cutting mechanism (6) comprises a first supporting rod (601), a third driving motor (602) and a second limiting sliding rod (608), the first supporting rod (601) is movably arranged on two sides of the movable bottom plate (2), the second limiting sliding rod (608) is arranged inside one third installation groove (203), the bottom of the first supporting rod (601) is arranged on a rod body of the second limiting sliding rod (608) in a sliding mode, and the third driving motor (602) is fixedly arranged on one side surface of the movable bottom plate (2).

8. The extrusion molding apparatus for producing a plastic profile according to claim 7, wherein: the output end of the third driving motor (602) is located a third mounting groove (203) at a corresponding position, a second adjusting screw rod (603) is mounted inside, a second screw rod sleeve (604) is movably mounted on a rod body of the second adjusting screw rod (603), one side of the second screw rod sleeve (604) is fixedly mounted at the bottom of one of the first supporting rods (601), each buffer groove (6011) is formed in the top of the first supporting rod (601), each connecting spring (6012) is mounted inside the buffer groove (6011), and each adjusting rod (605) is mounted at the end of the connecting spring (6012).

9. The extrusion molding apparatus for producing a plastic profile according to claim 8, wherein: every adjust the top of pole (605) and all seted up installation draw-in groove (6051), every adjust the equal movable mounting in pole (605) one side and have installation piece (606), every the side surface of installation piece (606) all be provided with installation draw-in groove (6051) complex installation fixture block (6061), two install cutting blade (607) between installation piece (606), one of them one side of installation piece (606) is provided with trapezoidal guide piece (6052), last surface one side fixed mounting of workstation (1) has second bracing piece (9) the top fixed mounting of second bracing piece (9) has limiting plate (10), lower surface one side of limiting plate (10) is provided with guide inclined plane (1001).

10. The extrusion molding apparatus for producing a plastic profile according to claim 1, wherein: feeding mechanism (8) is including feeding barrel (801), feeding barrel (801) fixed mounting is in one side of support frame (7), top one side of feeding barrel (801) is provided with charge door (802), the upper surface center department fixed mounting of feeding barrel (801) has fourth driving motor (803), the output of fourth driving motor (803) and the internally mounted who is located feeding barrel (801) have transport auger (804), the ladle body inside of feeding barrel (801) is provided with annular mounting groove (806), annular mounting groove (806) inside is provided with heating coil (8061), the bottom of feeding barrel (801) is provided with discharge gate (805).