CN211843115U

CN211843115U - Plastic extrusion equipment

Info

Publication number: CN211843115U
Application number: CN202020417222.4U
Authority: CN
Inventors: 李建军
Original assignee: Huizhou Xinruisen Electronic Technology Co ltd
Current assignee: Huizhou Xinruisen Electronic Technology Co ltd
Priority date: 2020-03-27
Filing date: 2020-03-27
Publication date: 2020-11-03
Anticipated expiration: 2030-03-27

Abstract

The utility model relates to a plastic processing technology field specifically discloses an effectual plastic extrusion equipment keeps warm, and it includes the feeding subassembly, extrudes subassembly, heating element and controller, and the feeding subassembly is including going into feed cylinder, support, agitator motor and stirring piece, and the support is connected with a pan feeding section of thick bamboo, and agitator motor installs in the support and is connected with the controller, and stirring piece inserts and locates to go into the feed cylinder and be connected with agitator motor's output. The extrusion assembly comprises a first sleeve, a second sleeve, a driving motor, a screw and an extrusion head, the first sleeve and the second sleeve are concentrically sleeved with each other, a heating chamber is arranged between the first sleeve and the second sleeve, the driving motor is respectively connected with the screw and a controller, the screw penetrates through the second sleeve and is abutted against the inner surface of the second sleeve to form a spiral extrusion channel, a feeding barrel is communicated with the spiral extrusion channel, and a heating groove is formed in the screw. The heating assembly comprises a first heating wire and a second heating wire, the first heating wire is contained in the heating chamber and spirally wound on the second sleeve, and the second heating wire is contained in the heating groove.

Description

Plastic extrusion equipment

Technical Field

The utility model relates to a plastic processing technology field especially relates to a plastic extrusion equipment.

Background

Plastic extrusion molding, also known as extrusion molding, is mainly suitable for molding thermoplastics and partially thermosetting and reinforced plastics with good flowability, and specifically, a rotating screw is used for extruding heated hot-melt thermoplastic raw materials from a machine head with a required cross section shape, then shaping is carried out by a shaper, and the cooled, hardened and solidified by a cooler, so that a product with a required cross section is obtained. The plastic extrusion molding operation is mainly realized by the plastic extruding machine, and the plastic extruding machine has the characteristics of low equipment cost, simple operation, high production efficiency, convenience for changing the section shape, strong applicability and the like, and is widely used for producing and processing pipes, films, rods, monofilaments, door frames, plates and other special-shaped materials and the like.

However, the traditional plastic extruding machine has a poor heat preservation effect on plastics, and the phenomena of gradual cooling and uneven temperature of the plastics are easily caused in the process of conveying the plastics on the screw rod, so that the flowability of the flowable thermosetting plastics is reduced while the temperature of the plastics is reduced, the difficulty of uniformly mixing and extruding the plastics is increased, and the quality of plastic products is reduced.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a plastic extrusion apparatus for solving the technical problem of poor heat insulation effect.

The utility model provides a plastic extrusion equipment, this plastic extrusion equipment include feeding subassembly, extrusion subassembly, heating element and controller, feeding subassembly is including going into feed cylinder, support, agitator motor and stirring piece, the input of going into the feed cylinder is used for and outside conveying pipe intercommunication, the output of going into the feed cylinder with the input intercommunication of extrusion subassembly, the support is close to go into the input of feed cylinder and with it connects to go into the feed cylinder, agitator motor install in the support and with controller electric connection, the stirring piece insert locate go into the inner chamber of feed cylinder and with agitator motor's output drive is connected. The extrusion assembly comprises a first sleeve, a second sleeve, a driving motor, a screw and an extrusion head, the first sleeve is sleeved on the second sleeve, a heating chamber is arranged between the first sleeve and the second sleeve, the input end of the driving motor is electrically connected with the controller, the screw rod penetrates through the second sleeve and is connected with the output end of the driving motor, the screw rod is abutted against the inner surface of the second sleeve and forms a spiral extrusion channel, the charging barrel sequentially penetrates through the first sleeve and the second sleeve and is communicated with the spiral extrusion channel, and the screw rod is provided with a heating groove and a spiral rubber cover, the heating groove extends along the thread direction of the screw rod, the spiral rubber cover is arranged on the heating groove, and the extrusion head is communicated with the output end of the spiral extrusion channel and detachably connected with the first sleeve. Heating element includes first heating wire and second heating wire, first heating wire accept in heating chamber and spiral winding set up in second sheathed tube surface, the second heating wire accept in the heating bath is followed the extending direction setting of heating bath, first heating wire with the second heating wire respectively with controller electric connection and common use for right plastic in the passageway is extruded to the spiral keeps warm, the controller is used for with external power source electric connection and control agitator motor first heating wire reaches the work of second heating wire.

In one embodiment, the plastic extrusion apparatus further includes a first blocking ring and a second blocking ring, the first blocking ring is disposed at one end of the first sleeve and detachably connected to the first sleeve and the second sleeve, respectively, the second blocking ring is disposed at the other end of the first sleeve and detachably connected to the first sleeve and the second sleeve, respectively, and the first blocking ring and the second blocking ring are used for blocking two ends of the heating chamber together.

In one embodiment, a concave hole is formed in the inner side of the heating groove, a convex block matched with the concave hole is arranged on the side surface of the spiral rubber cover, and the convex block is clamped in the concave hole and abuts against the inner surface of the concave hole.

In one embodiment, sealing rubber strips are respectively arranged on two side edges of the spiral rubber cover and abut against the inner surface of the heating groove.

In one embodiment, a plurality of blades are uniformly and annularly arranged on the outer surface of the stirring piece, and the blades extend along the length direction of the stirring piece.

In one embodiment, the outer surface of the stirring piece is provided with a spiral stirring sheet.

In one embodiment, the plastic extrusion equipment further comprises a box body, the extrusion assembly and the heating assembly are partially accommodated in the box body, and the controller is installed on the inner surface of the box body.

In one embodiment, the box body is provided with an access door, and the box body is provided with a plurality of ventilation holes.

In one embodiment, the plastic extrusion device further comprises a mounting frame, the bottom of the mounting frame is connected with the bottom surface of the box body, and the top of the mounting frame abuts against the outer surface of the first sleeve and receives the first sleeve.

In one embodiment, the mounting bracket has a bracket that engages an outer surface of the first sleeve.

Above-mentioned plastic extrusion equipment, through setting up first heating wire at the heating chamber respectively, set up the second heating wire in the heat channel of screw rod, the screw rod extrudes the in-process of transporting to the plastic, first heating wire and second heating wire switch-on current are used for jointly extruding the plastic in the passageway and heating to the spiral, in order to realize the heat preservation to the plastic, avoided the plastic to reduce the induration solidification because of the temperature at the in-process of extruding the transportation, the quality decline problem of the plastic material that the head of extruding that causes, in order to do benefit to the market competition who promotes the plastic product.

Drawings

FIG. 1 is a schematic structural view of a plastic extrusion apparatus according to an embodiment;

FIG. 2 is a schematic structural diagram of another perspective view of the plastic extrusion apparatus shown in FIG. 1;

3 FIG. 3 3 3 is 3 a 3 schematic 3 cross 3- 3 sectional 3 view 3 taken 3 along 3 the 3 direction 3 A 3- 3 A 3 in 3 the 3 embodiment 3 shown 3 in 3 FIG. 32 3; 3

FIG. 4 is a schematic cross-sectional view taken along the direction B-B in the embodiment shown in FIG. 2;

FIG. 5 is a schematic view of the structure of a stirring member in one embodiment;

FIG. 6 is a schematic view showing the construction of a stirring member in another embodiment;

FIG. 7 is a schematic illustration of a positional relationship of a first sleeve and a second sleeve in one embodiment;

FIG. 8 is a schematic view showing the structure of a screw in one embodiment;

FIG. 9 is a schematic view showing an exploded structure of a screw in one embodiment;

FIG. 10 is an enlarged partial view of the embodiment of FIG. 9 showing part C;

fig. 11 is a schematic structural view of a mount in one embodiment.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

Please refer to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 9 together, the present invention provides a plastic extrusion apparatus 10, the plastic extrusion apparatus 10 includes a feeding component 100, an extrusion component 200, a heating component 300 and a controller 400, the feeding component 100 includes a material inlet cylinder 110, a support 120, a stirring motor 130 and a stirring element 140, the input end of the material inlet cylinder 110 is used for communicating with an external feeding pipe, the output end of the material inlet cylinder 110 is communicated with the input end of the extrusion component 200, the support 120 is adjacent to the input end of the material inlet cylinder 110 and connected with the material inlet cylinder 110, the stirring motor 130 is installed on the support 120 and electrically connected with the controller 400, and the stirring element 140 is inserted into the inner cavity of the material inlet cylinder 110 and connected with the output end of the stirring motor 130 in a driving. The extruding assembly 200 includes a first sleeve 210, a second sleeve 220, a driving motor 230, a screw 240 and an extruding head 250, the first sleeve 210 is sleeved on the second sleeve 220 and concentrically arranged with the second sleeve 220, a heating chamber 260 is provided between the first sleeve 210 and the second sleeve 220, an input end of the driving motor 230 is electrically connected with the controller 400, the screw 240 is penetrated through the second sleeve 220 and connected with an output end of the driving motor 230, the screw 240 abuts against an inner surface of the second sleeve 220 and forms a spiral extruding channel 270, the charging barrel 110 is sequentially penetrated through the first sleeve 210 and the second sleeve 220 and is communicated with the spiral extruding channel 270, and the screw 240 is provided with a heating groove 241 and a spiral rubber cover 242, the heating groove 241 extends along the thread direction of the screw 240, the spiral rubber cover 242 covers the heating groove 241, and the extrusion head 250 is communicated with the output end of the spiral extrusion channel 270 and detachably connected with the first sleeve 210. The heating element 300 includes a first heating wire 310 and a second heating wire 320, the first heating wire 310 is received in the heating chamber 260 and spirally wound on the outer surface of the second sleeve 220, for example, the spirally wound first heating wire 310 extends from one end of the heating chamber 260 to the other end of the heating chamber 260, so that the first heating wire 310 can fully heat the plastic near the second sleeve 220 in the spiral extrusion channel 270, thereby ensuring the heat preservation effect of the extrusion device. The second heating wire 320 is accommodated in the heating groove 241 and is disposed along the extending direction of the heating groove 241, for example, the extending length of the heating groove 241 is equal to the continuous extending length of the thread edge of the screw 240, and the length of the second heating wire 320 is equal to the extending length of the heating groove 241, so that the second heating wire 320 can fully heat the plastic in the spiral extrusion channel 270 away from the second sleeve 220. The first heating wire 310 and the second heating wire 320 are electrically connected to the controller 400, respectively, and are commonly used for insulating the plastic in the spiral extrusion channel 270, and the controller 400 is electrically connected to an external power source and controls the operation of the stirring motor 130, the driving motor 230, the first heating wire 310, and the second heating wire 320.

Above-mentioned plastic extrusion equipment 10, through setting up first heating wire 310 at heating chamber 260 respectively, set up second heating wire 320 in screw rod 240's heating tank 241, screw rod 240 extrudes the in-process of transporting to the plastic, first heating wire 310 and second heating wire 320 switch-on current are used for heating the plastic in the spiral extrusion passageway 270 jointly, in order to realize the heat preservation to the plastic, avoided the plastic to extrude the in-process of transporting because of the temperature reduces and the induration solidification and cause the quality degradation problem of the plastic material that extrusion head 250 extrudes, in order to do benefit to the market competition who promotes the plastic product.

The feeding assembly 100 is used for receiving plastic materials transmitted from an external feeding pipe and uniformly mixing the plastic materials so as to ensure the uniformity of the quality of plastic products. The charging barrel 110 is used for accommodating plastic materials and limiting the flowing direction of the plastic materials, in other words, the charging barrel 110 is used for guiding the plastic materials, so that the plastic materials can smoothly flow into the spiral extrusion channel 270. The bracket 120 is used for installing the stirring motor 130, so as to realize the fixed arrangement of the stirring motor 130 on the material inlet barrel 110. Stirring motor 130 is used for switching on current and work under controller 400's control to drive stirring piece 140 and produce and rotate, so, stirring piece 140 rotates the plastic material that the in-process will stir income feed cylinder 110, with the flow and the mixing of plastic material with higher speed, prevents that the plastic material from concreting in pan feeding section of thick bamboo 110, and then causes the output jam problem of feed cylinder 110, in order to guarantee that the plastic material smoothly flows into spiral extrusion channel 270.

Referring to fig. 5, in an embodiment, a plurality of paddles 141 are uniformly and annularly disposed on an outer surface of the stirring member 140, and the paddles 141 extend along a length direction of the stirring member 140. Set up a plurality of paddles 141 through the surface at stirring piece 140, increased the area of contact of stirring piece 140 with the plastic material, so, increased stirring piece 140 stirring volume to the plastic material in the unit interval, promoted the homogeneity of plastic material stirring to do benefit to the plastic material mixing. Further, the paddle 141 is provided with a plurality of material leaking holes 142. Through set up a plurality of material leaking openings on paddle 141, when paddle 141 contacts with the plastic material, partial plastic material accessible material leaking opening passes paddle 141 to reduced the impact of plastic material to paddle 141, avoided paddle 141 atress too big and break, in order to prolong paddle 141's life.

Referring to fig. 6, in another embodiment, a spiral stirring blade 143 is disposed on an outer surface of the stirring member 140. Preferably, the spiral agitating blade 143 is integrally formed with the agitating member 140. Through set up spiral stirring piece 143 at the surface of stirring piece 140, when improving spiral stirring piece 143 and stirring piece 140 joint strength, when the plastic material contacts and strikes spiral stirring piece 143 with spiral stirring piece 143, the plastic material can remove along spiral stirring piece 143's spiral direction, has reduced the impact of plastic material to spiral stirring piece 143 to the life of extension spiral stirring piece 143 and the extrusion moulding's of reduction plastic material cost.

The extrusion assembly 200 is used for receiving the plastic material fed into the receiving cylinder 110 and performing transfer extrusion on the plastic material to obtain a plastic part blank with a predetermined shape. The first sleeve 210 and the second sleeve 220 are used together to surround the first heating wire 310, so as to protect the first heating wire 310 and reduce the heat radiation of the first heating wire 310 to the environment, thereby improving the heat transfer efficiency of the first heating wire 310 to the plastic material. Preferably, an insulation pad is attached to the inner surface of the first sleeve 210. Thus, the heat energy transferred from the first heating wire 310 to the environment is further reduced, and the heat preservation effect of the first heating wire 310 on the plastic material is improved. Referring to fig. 7, in an embodiment, the plastic extrusion apparatus further includes a first blocking ring 280 and a second blocking ring 290, the first blocking ring 280 is disposed at one end of the first sleeve 210 and detachably connected to the first sleeve 210 and the second sleeve 220, respectively, the second blocking ring 290 is disposed at the other end of the first sleeve 210 and detachably connected to the first sleeve 210 and the second sleeve 220, respectively, and the first blocking ring 280 and the second blocking ring 290 are used for blocking two ends of the heating chamber 260 together. By respectively arranging the first plugging ring 280 and the second plugging ring 290 at the two ends of the first sleeve 210, the heating chamber 260 is fully plugged, heat dissipation in the heating chamber 260 is reduced, and heat transfer efficiency of the first heating wire 310 is improved. In practical production, heat insulation cotton may be further disposed at two ends of the heating chamber 260 to prevent heat radiation to the first blocking ring 280 and the second blocking ring 290 during the temperature rise of the first heating wire 310, and to delay the aging rate of the first blocking ring 280 and the second blocking ring 290, thereby prolonging the service life of the two.

The driving motor 230 is used for operating under the control of the controller 400 to drive the screw 240 to rotate, so that the plastic material in the spiral extrusion channel 270 is gradually taken away from the output end of the charging barrel 110 in the rotation process of the screw 240, thereby facilitating the molding of the plastic material through the extrusion head 250 and completing the extrusion molding operation of the plastic material. Referring to fig. 8, 9 and 10, in an embodiment, a concave hole 243 is formed at an inner side of the heating groove 241, a protrusion 244 matching with the concave hole 243 is disposed at a side surface of the spiral rubber cover 242, and the protrusion 244 is clamped in the concave hole 243 and abuts against an inner surface of the concave hole 243. Through respectively setting up the shrinkage pool 243 in the inboard of heating groove 241, set up lug 244 in the side of spiral rubber cover 242, only need to cover 242 twine spiral rubber cover on screw 240, and make spiral rubber cover 242 block go into in heating groove 241, press spiral rubber cover 242 to the direction that is close to the heating groove 241 bottom afterwards, lug 244 slides in shrinkage pool 243 promptly and with the internal surface looks butt of shrinkage pool 243, thereby accomplish being connected of spiral rubber cover 242 and heating groove 241, realize the protection to second heating wire 320. Further, in an embodiment, sealing rubber strips are respectively disposed on two side edges of the spiral rubber cover 242, and the sealing rubber strips are abutted to the inner surface of the heating groove 241. Set up joint strip respectively through the both sides edge at spiral rubber cover 242, joint strip has filled the gap between spiral rubber cover 242 edge and the heating tank 241 internal surface, avoids the plastic material to get into the heating tank 241 via this gap in extrusion moulding operation, and then wraps up the problem of second heating wire 320 to guarantee the effective use of second heating wire 320 and extrude the reliability of equipment thermal insulation performance.

The extrusion head 250 is used for limiting the shape of the plastic part, specifically, the extrusion head 250 is provided with a through hole with a specific cross section shape, and after the plastic material enters the through hole of the extrusion head 250 from the tail end of the spiral extrusion channel 270, the plastic material is shaped into a specific shape under the constraint of the inner surface of the through hole, so as to meet the production requirement. It should be noted that, the present invention does not limit the cross-sectional shape of the through hole of the extrusion head 250, and in the actual production, the producer can select the extrusion head 250 with a specific cross-sectional shape to connect with the first sleeve 210 according to the requirement of the structural shape of the plastic product, which is not described herein again.

The controller 400 is used for adjusting the operation of the stirring motor 130, the driving motor 230, the first heating wire 310 and the second heating wire 320 to ensure the effective operation of the plastic extrusion molding operation. It should be noted that, in the actual production, a temperature sensor may be further disposed at the input end of the extrusion head 250, and the temperature sensor is electrically connected to the controller 400, so that the controller 400 compares the measured actual temperature of the plastic material with the predetermined temperature thereof, and adjusts the power of the first heating wire 310 or the second heating wire 320, thereby achieving the purpose of adjusting the heating value of the first heating wire 310 or the second heating wire 320, and achieving the effective heat preservation of the plastic material.

In one embodiment, the plastic extrusion apparatus further includes a housing 500, the extrusion module 200 and the heating module 300 are partially received in the housing 500, and the controller 400 is mounted on an inner surface of the housing 500. For example, the driving motor 230 is accommodated in the case 500, and the first sleeve 210 is inserted into the case 500 and connected to the extrusion head 250. Through setting up box 500, protect extrusion assembly 200, heating element 300 and controller 400, prevent that the operation personnel from bumping equipment by mistake and be injured, still can avoid the cable that the toy bitten equipment to the life of extension extrusion equipment. In one embodiment, the box 500 is provided with an access door 510, and the box 500 is provided with a plurality of vents 520. By arranging the access door 510 on the box body 500, when the box body 500 is closed and equipment fails, the equipment can be overhauled only by opening the access door 510, so that the overhauling difficulty of the equipment is reduced; the ventilation hole 520 is formed in the box 500, so that heat generated during the operation of the driving motor 230 and heat transferred to the outside by the first heating wire 310 can be smoothly discharged, and heat accumulation in the box 500 is avoided, so that the driving motor 230 is continuously heated, and the driving motor 230 is damaged, and the service life of the driving motor 230 is prolonged.

Referring to fig. 1 and 11, in one embodiment, the plastic extrusion apparatus further includes a mounting bracket 600, a bottom of the mounting bracket 600 is connected to a bottom surface of the box 500, and a top of the mounting bracket 600 abuts against an outer surface of the first sleeve 210 and receives the first sleeve 210. Through setting up mounting bracket 600, the level of first sleeve pipe 210 has been lifted, in other words, the level of spiral extrusion passageway 270 has been lifted to in extrude first 250 below and set up receiving device, so, extrude first 250 and extrude behind the plastic part base product, receiving device can accept the plastic part base product smoothly, in order to do benefit to going on of plastic part goods next operation. In one embodiment, the mounting block 600 has a bracket 610 that mates with the outer surface of the first sleeve 210. When the first sleeve 210 is placed on the mounting bracket 600, the outer surface of the first sleeve 210 abuts against and fits the bracket 610, increasing the contact area between the first sleeve 210 and the mounting bracket 600, thereby improving the connection strength between the first sleeve 210 and the mounting bracket 600.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A plastic extrusion device is characterized by comprising a feeding component, an extrusion component, a heating component and a controller,

the feeding assembly comprises a feeding barrel, a support, a stirring motor and a stirring piece, the input end of the feeding barrel is used for being communicated with an external feeding pipe, the output end of the feeding barrel is communicated with the input end of the extrusion assembly, the support is close to the input end of the feeding barrel and is connected with the feeding barrel, the stirring motor is installed on the support and is electrically connected with the controller, and the stirring piece is inserted into the inner cavity of the feeding barrel and is in driving connection with the output end of the stirring motor;

the extrusion assembly comprises a first sleeve, a second sleeve, a driving motor, a screw and an extrusion head, the first sleeve is sleeved on the second sleeve, a heating chamber is arranged between the first sleeve and the second sleeve, the input end of the driving motor is electrically connected with the controller, the screw rod penetrates through the second sleeve and is connected with the output end of the driving motor, the screw rod is abutted against the inner surface of the second sleeve and forms a spiral extrusion channel, the charging barrel sequentially penetrates through the first sleeve and the second sleeve and is communicated with the spiral extrusion channel, and the screw rod is provided with a heating groove and a spiral rubber cover, the heating groove extends along the thread direction of the screw rod, the spiral rubber cover is covered on the heating groove, and the extrusion head is communicated with the output end of the spiral extrusion channel and is detachably connected with the first sleeve;

heating element includes first heating wire and second heating wire, first heating wire accept in heating chamber and spiral winding set up in second sheathed tube surface, the second heating wire accept in the heating bath is followed the extending direction setting of heating bath, first heating wire with the second heating wire respectively with controller electric connection and common use for right plastic in the passageway is extruded to the spiral keeps warm, the controller is used for with external power source electric connection and control agitator motor first heating wire reaches the work of second heating wire.

2. The plastic extrusion apparatus of claim 1, further comprising a first plugging ring and a second plugging ring, wherein the first plugging ring is disposed at one end of the first sleeve and detachably connected to the first sleeve and the second sleeve, respectively, the second plugging ring is disposed at the other end of the first sleeve and detachably connected to the first sleeve and the second sleeve, respectively, and the first plugging ring and the second plugging ring are used for plugging two ends of the heating chamber together.

3. The plastic extrusion apparatus of claim 1, wherein a concave hole is formed inside the heating groove, a protrusion engaged with the concave hole is disposed on a side surface of the spiral rubber cover, and the protrusion is clamped in the concave hole and abuts against an inner surface of the concave hole.

4. The plastic extrusion apparatus of claim 3, wherein sealing rubber strips are respectively disposed on two side edges of the spiral rubber cover, and the sealing rubber strips abut against an inner surface of the heating groove.

5. The plastic extrusion apparatus of claim 1, wherein a plurality of paddles are uniformly and annularly disposed on the outer surface of the stirring member, and the paddles extend along the length direction of the stirring member.

6. The plastic extrusion apparatus of claim 1, wherein the outer surface of the stirring member is provided with a helical stirring blade.

7. The plastic extrusion apparatus of any one of claims 1 to 6, further comprising a box, wherein the extrusion assembly and the heating assembly are partially housed in the box, and the controller is mounted on an inner surface of the box.

8. The plastic extrusion apparatus of claim 7, wherein the box body is provided with an access door, and the box body is provided with a plurality of vent holes.

9. The plastic extrusion device of claim 8, further comprising a mounting frame, wherein the bottom of the mounting frame is connected to the bottom surface of the box, and the top of the mounting frame abuts against the outer surface of the first sleeve and receives the first sleeve.

10. The plastic extrusion apparatus of claim 9, wherein the mounting bracket has a bracket that engages an outer surface of the first sleeve.