CN115351939A - EPP foamed plastic production molding device and process - Google Patents

Abstract

The invention discloses an EPP foamed plastic production forming device and process, which comprises a supporting base, wherein the top of the supporting base is fixedly connected with a supporting barrel, the top of the supporting barrel is fixedly connected with a heating tank, the bottom of the heating tank is fixedly connected with a material passing pipe, the material passing pipe is fixedly connected with the supporting barrel, and an electric control valve is arranged on the material passing pipe, and the EPP foamed plastic production forming device has the beneficial effects that: through having added reciprocating mechanism, it drives the regulating plate and drives fixed plate and sliding plate through the pivot and carry out reciprocating motion processing to have realized through the pivot when the carousel rotates, the connecting rod that drives one side carries out reciprocating motion processing, thereby it carries out reciprocating motion processing to drive the rotation post, lead cold water service pipe through having added the spiral, realized leading cold water to the spiral and lead cold water service pipe in input cold water, carry out cooling process to the material in the lower mould, through having added ejection mechanism, realized carrying out ejection processing to the material that needs the drawing of patterns after the cooling, be convenient for take out plastics.

Description

EPP foamed plastic production molding device and process

Technical Field

The invention relates to the technical field of EPP foamed plastics, in particular to a device and a process for producing and molding EPP foamed plastics.

Background

EPP foam boards can promote the setting of concrete by reducing the loss of heat and moisture. Utilize its low thermal conductivity, EPP foamed plastic can be used to the roofing liner material of ordinary building, can reduce multi-story building's sound propagation through EPP foamed plastic liner, need heat the raw materials in current EPP foamed plastic production and melt the processing, nevertheless be not convenient for carry out crushed aggregates to the raw materials when current raw materials heating and handle, the efficiency of melting is lower, and the material of being not convenient for when current EPP foamed plastic production is moulded plastics cools off to the mould intracavity, the drawing of patterns inefficiency.

Disclosure of Invention

The invention aims to provide an EPP foam plastic production and molding device and process, which aim to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a EPP foamed plastic production forming device, is including supporting the base, the top fixedly connected with of supporting the base supports the bucket, the top fixedly connected with heating jar of support bucket, the bottom fixedly connected with of heating jar leads to the material pipe, lead to material pipe and support bucket fixed connection, it installs automatically controlled valve on the material pipe to lead to, the inside rotation of supporting the bucket is connected with the spiral conveying pole, the one side of supporting the bucket is equipped with a motor, the output and the spiral conveying pole fixed connection of a motor, the inside fixedly connected with seal cover of heating jar, the inside sliding connection of seal cover has the connecting rod, one side of heating jar is equipped with reciprocating mechanism, the connecting rod is connected with reciprocating mechanism, the one end rotation of connecting rod is connected with the rotation post, the outside fixedly connected with crushed aggregates sword of rotation post, the top of heating jar is equipped with the inlet pipe, the top fixedly connected with support frame of supporting the base, the inboard swing joint of support frame has last mould, the top of support frame is equipped with the pneumatic cylinder, the output and the last mould fixed connection of mould, the top fixedly connected with spacing slide bar, the top fixedly connected with the spiral cooling guide mechanism that the water pipe supported the base, the cooling mechanism is equipped with the spiral cooling guide mechanism.

As preferred, the inside swing joint of rotation post has the dwang, two spacing sliders of outside symmetry fixedly connected with of dwang, two spacing spouts have been seted up to the inside symmetry of rotation post, spacing slider and spacing spout sliding connection No. one, the one end and the heating jar of dwang rotate to be connected, one side of heating jar is equipped with No. two motors, the output and the dwang fixed connection of No. two motors.

Preferably, an electric heating plate is disposed inside the heating tank.

Preferably, the reciprocating mechanism comprises a fixed box, one side of the heating tank is fixedly connected with the fixed box, the fixed box is rotatably connected with a turntable, one side of the fixed box is provided with a motor III, the output end of the motor III is fixedly connected with the turntable, the fixed box is slidably connected with a sliding plate, one end of a connecting rod is fixedly connected with the sliding plate, one side of the sliding plate is fixedly connected with two fixed plates, one side of the fixed box is rotatably connected with an adjusting plate through a rotating shaft, and the two fixed plates are rotatably connected with the adjusting plate through a rotating shaft.

Preferably, the support barrel and the lower die are connected through an injection molding pipe.

Preferably, the inner part of the upper die is fixedly connected with a fixed sleeve, and the ejection mechanism is connected with the fixed sleeve.

As preferred, ejection mechanism includes the roof, the inside sliding connection who supports the base has the roof, the three ejector pin of top fixedly connected with of roof, ejector pin and support base sliding connection, ejector pin and lower mould sliding connection, the top equidistance of roof is equipped with four springs, the one end and the support base fixed connection of spring, the top fixedly connected with slide bar of roof, slide bar and support base sliding connection, slide bar and fixed cover sliding connection, the spacing slide of top fixedly connected with of slide bar, no. two spacing spouts have been seted up to the inside of fixed cover, spacing slide and No. two spacing spout sliding connection.

As preferred, cooling body includes the water storage box, the top of supporting the base is equipped with the water storage box, the inside of water storage box is equipped with three cold pole of leading, the top of water storage box is equipped with the semiconductor refrigeration piece, the refrigerated one side of semiconductor refrigeration piece with lead cold pole fixed connection, the top of supporting the base is equipped with the water pump, the input and the water storage box of water pump lead water piping connection, the output and the spiral of water pump lead cold water service pipe water piping connection, the spiral leads cold water service pipe's one end and water storage box water piping connection.

Preferably, one side of supporting the base is equipped with control panel, semiconductor refrigeration piece, water pump, pneumatic cylinder, a motor, electric control valve, electric heating plate, no. two motors and No. three motors all with control panel electric connection.

A production and molding process of EPP foam plastic comprises the following steps:

s1, heating an EPP foam plastic raw material, and crushing the EPP foam plastic raw material through a crushing shaft while heating, wherein the heating time is 30-55min, and the heating temperature is 110-210 ℃, so that an injection molding raw material is obtained;

s2, injecting the injection molding raw material into a mold cavity of the mold, cooling the injection molding raw material in the mold cavity through water cooling, and cooling the interior of the mold cavity to 20-30 ℃ for mold opening;

and S3, ejecting the injection molding raw material with the interior cooled through an ejection rod during mold opening to obtain the EPP foamed plastic.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Compared with the prior art, the invention has the beneficial effects that: through having added reciprocating mechanism, it carries out reciprocating motion processing through pivot drive regulating plate and drive fixed plate and sliding plate through the pivot to have realized when the carousel rotates, the connecting rod that drives one side carries out reciprocating motion processing, thereby it carries out reciprocating motion processing to drive the rotation post, lead cold water service pipe through having added the spiral, input cold water in the cold water service pipe is led to the spiral has been realized, carry out cooling treatment to the material in the lower mould, through having added ejection mechanism, realized carrying out ejecting processing to the material that needs the drawing of patterns after the cooling, be convenient for take out plastics.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

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

FIG. 2 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;

FIG. 3 is an enlarged view of the invention at B in FIG. 1;

FIG. 4 is a side view of the stop block of the present invention;

FIG. 5 is a schematic view of the exterior structure of the fixing box of the present invention.

In the figure: 1. a support base; 2. a support tub; 3. a heating tank; 4. a reciprocating mechanism; 41. a fixed box; 42. a turntable; 43. a sliding plate; 44. a fixing plate; 5. a connecting rod; 6. sealing sleeves; 7. a cooling mechanism; 71. a water storage tank; 72. a cold guide rod; 73. a semiconductor refrigerating sheet; 74. a water pump; 8. an ejection mechanism; 81. a top plate; 82. a spring; 83. a top rod; 84. a slide bar; 9. fixing a sleeve; 10. a spiral cold guide water pipe; 11. an upper die; 12. a hydraulic cylinder; 13. a support frame; 14. a limiting slide bar; 15. a screw conveying rod; 16. a first motor; 17. a material pipe is led in; 18. an electrically controlled valve; 19. rotating the column; 20. an electrical heating plate; 21. a crushing cutter; 22. rotating the rod; 23. a limiting slide block; 24. a first limit chute; 25. a second motor; 26. a third motor; 27. a lower die; 28. a control panel; 29. a limiting sliding plate; 30. no. two spacing spout.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below do not represent all implementations consistent with the present disclosure. Rather, they are merely examples of devices consistent with certain aspects of the present disclosure, as detailed in the appended claims.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. 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.

Referring to fig. 1 to 5, an EPP foamed plastic production molding apparatus according to an embodiment of the present invention includes a support base 1, a support barrel 2 is fixedly connected to the top of the support base 1, a heating tank 3 is fixedly connected to the top of the support barrel 2, a material feeding pipe 17 is fixedly connected to the bottom of the heating tank 3, the material feeding pipe 17 is fixedly connected to the support barrel 2, an electric control valve 18 is installed on the material feeding pipe 17, a spiral conveying rod 15 is rotatably connected to the inside of the support barrel 2, a first motor 16 is disposed on one side of the support barrel 2, an output end of the first motor 16 is fixedly connected to the spiral conveying rod 15, a sealing sleeve 6 is fixedly connected to the inside of the heating tank 3, a connecting rod 5 is slidably connected to the inside of the sealing sleeve 6, a reciprocating mechanism 4 is disposed on one side of the heating tank 3, the connecting rod 5 is connected to the reciprocating mechanism 4, and a rotating column 19 is rotatably connected to one end of the connecting rod 5, rotate the outside fixedly connected with crushed aggregates sword 21 of post 19, the top of heating jar 3 is equipped with the inlet pipe, support base 1's top fixedly connected with support frame 13, the inboard swing joint of support frame 13 has last mould 11, the top of support frame 13 is equipped with pneumatic cylinder 12, the output of pneumatic cylinder 12 and last mould 11 fixed connection, the top fixedly connected with of going up mould 11 limit slide 14, limit slide 14 and support frame 13 sliding connection, support base 1's top fixedly connected with and last mould 11 complex lower mould 27, support base 1's inside is equipped with ejection mechanism 8, the inside of lower mould 27 is equipped with spiral and leads cold water service pipe 10, the top of supporting base 1 is equipped with cooling body 7, cooling body 7 is connected with spiral and leads cold water service pipe 10, carry out cooling treatment through spiral and lead cold water service pipe 10 to the material in the lower mould 27, and improve work efficiency.

Wherein, the inside swing joint who rotates post 19 has dwang 22, two limit slide 23 of the outside symmetry fixedly connected with of dwang 22, two limit slide 24 have been seted up to the inside symmetry of rotation post 19, limit slide 23 and a limit slide 24 sliding connection, the one end of dwang 22 rotates with heating jar 3 to be connected, one side of heating jar 3 is equipped with No. two motor 25, no. two motor 25's output and dwang 22 fixed connection, no. two motor 25's output drives dwang 22 and rotates, dwang 22 drives limit slide 23 and rotates, limit slide 23 drives through a limit slide 24 and rotates post 19 and rotates, post 19 drives the crushed aggregates sword 21 in the outside and carries out shredding to the raw materials that heats jar 3.

Wherein, the inboard of heating jar 3 is equipped with electric heating plate 20, carries out heat treatment through electric heating plate 20 to the material in the heating jar 3, has improved work efficiency.

Wherein, reciprocating mechanism 4 includes fixed case 41, one side fixedly connected with fixed case 41 of heating jar 3, the inside rotation of fixed case 41 is connected with carousel 42, one side of fixed case 41 is equipped with No. three motor 26, no. three motor 26's output and carousel 42 fixed connection, the inside sliding connection of fixed case 41 has sliding plate 43, the one end and the sliding plate 43 fixed connection of connecting rod 5, two fixed plates 44 of one side fixedly connected with of sliding plate 43, one side of fixed case 41 rotates through the pivot and is connected with the regulating plate, rotate through the pivot with the regulating plate between two fixed plates 44, no. three motor 26's output drives carousel 42 and rotates, carousel 42 drives the regulating plate through the pivot, the regulating plate drives fixed plate 44 and sliding plate 43 through the pivot and carries out reciprocating motion, thereby drive connecting rod 5 and rotation post 19 and carry out reciprocating motion.

Wherein, support bucket 2 and lower mould 27 are connected through the pipe of moulding plastics, and the material in will supporting bucket 2 is inputed to lower mould 27 in through the pipe of moulding plastics.

Wherein, the inner part of the upper die 11 is fixedly connected with a fixed sleeve 9, and the ejection mechanism 8 is connected with the fixed sleeve 9.

Wherein, ejection mechanism 8 includes roof 81, the inside sliding connection who supports base 1 has roof 81, the three ejector pin 83 of top fixedly connected with of roof 81, ejector pin 83 and the sliding connection who supports base 1, ejector pin 83 and lower mould 27 sliding connection, the top equidistance of roof 81 is equipped with four springs 82, the one end of spring 82 and the fixed connection who supports base 1, the top fixedly connected with slide bar 84 of roof 81, slide bar 84 with support base 1 sliding connection, slide bar 84 and fixed cover 9 sliding connection, the spacing slide plate 29 of top fixedly connected with of slide bar 84, no. two spacing spout 30 have been seted up to the inside of fixed cover 9, spacing slide plate 29 and No. two spacing spout 30 sliding connection, through spacing slide plate 29 pulling slide bar 84, slide bar 84 pulling roof 81 and ejector pin 83, ejector pin 83 ejecting to the material in the lower mould 27.

The cooling mechanism 7 comprises a water storage tank 71, the top of the supporting base 1 is provided with the water storage tank 71, three cold guide rods 72 are arranged inside the water storage tank 71, the top of the water storage tank 71 is provided with semiconductor refrigeration sheets 73, the refrigeration side of each semiconductor refrigeration sheet 73 is fixedly connected with the corresponding cold guide rod 72, the top of the supporting base 1 is provided with a water pump 74, the input end of the water pump 74 is connected with the water storage tank 71 through a water pipe, the output end of the water pump 74 is connected with the spiral cold guide water through pipe 10 through a water pipe, one end of the spiral cold guide water through pipe 10 is connected with the water storage tank 71 through a water pipe, the semiconductor sheets 73 cool the cold guide rods 72, the cold guide rods 72 cool the cooling liquid in the water storage tank 71, the water pump 74 is started, the water pump 74 pumps out the cooling liquid in the water storage tank 71 to enter the spiral cold guide water through pipe 10, the materials in the cavity of the lower die 27 are cooled, and water circulates.

Wherein, one side of supporting base 1 is equipped with control panel 28, and semiconductor refrigeration piece 73, water pump 74, pneumatic cylinder 12, no. one motor 16, automatically controlled valve 18, electric heating board 20, no. two motors 25 and No. three motors 26 all with control panel 28 electric connection, control panel 28 through the device is concentrated and control the processing, have improved security and the work efficiency that the device used.

A production and molding process of EPP foam plastic comprises the following steps:

s1, heating an EPP foam plastic raw material, and crushing the EPP foam plastic raw material through a crushing shaft while heating, wherein the heating time is 30-55min, and the heating temperature is 110-210 ℃, so as to obtain an injection molding raw material;

s2, injecting the injection molding raw material into a mold cavity of the mold, cooling the injection molding raw material in the mold cavity through water cooling, and cooling the mold cavity to 20-30 ℃ for mold opening;

and S3, ejecting the injection molding raw material with the interior cooled through an ejection rod during mold opening to obtain the EPP foamed plastic.

Example (b):

a1, electrifying through an external power supply, pouring raw materials for production and use into a heating tank 3, starting an electric heating plate 20 through a control panel 28, heating the raw materials in the heating tank, starting a second motor 25 through the control panel 28, driving a rotating rod 22 to rotate by the output end of the second motor 25, driving a limiting slide block 23 to rotate by the rotating rod 22, driving a rotating column 19 to rotate by the limiting slide block 23 through a first limiting chute 24, and crushing the raw materials in the heating tank 3 by the rotating column 19 driving a crushing cutter 21 on the outer side;

a2, the third motor 26 is started simultaneously, the output end of the third motor 26 drives the rotary table 42 to rotate, the rotary table 42 drives the adjusting plate through the rotary shaft, the adjusting plate drives the fixing plate 44 and the sliding plate 43 to reciprocate through the rotary shaft, so that the connecting rod 5 and the rotary column 19 are driven to reciprocate, the first limiting sliding groove 24 is driven to move when the rotary column 19 moves, the limiting sliding block 23 always slides with the first limiting sliding groove 24, the rotation is not influenced, and internal raw materials are uniformly processed;

a3, after the cooling is finished, the electric control valve 18 is opened, raw materials enter the supporting barrel 2, the first motor 16 is started through the control panel 28, the output end of the first motor 16 drives the spiral conveying rod 15 to rotate, the spiral conveying rod 15 extrudes materials to enter the lower die 27, when cooling is needed, the semiconductor refrigerating sheet 73 is started through the control panel 28, the semiconductor refrigerating sheet 73 cools the cold guide rod 72, the cold guide rod 72 cools cooling liquid in the water storage tank 71, the water pump 74 is started, the water pump 74 pumps out the cooling liquid in the water storage tank 71 to enter the spiral cold guide water through pipe 10, the materials in the cavity of the lower die 27 are cooled, and water circulates;

a4, when the mold is opened, the hydraulic cylinder 12 is started through the control panel 28, the hydraulic cylinder 12 pulls the upper mold 11 to move upwards, the upper mold 11 drives the fixing sleeve 9 to move upwards, the limiting sliding plate 29 slides in the second limiting sliding groove 30, after the limiting sliding plate 29 reaches the bottommost part of the second limiting sliding groove 30, the fixing sleeve 9 pulls the sliding rod 84 through the limiting sliding plate 29, the sliding rod 84 pulls the top plate 81 and the ejector rod 83, and the ejector rod 83 ejects materials in the lower mold 27.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope of the disclosure being indicated by the following claims.

Claims (10)

1. The EPP foamed plastic production forming device is characterized by comprising a supporting base (1) and is characterized in that a supporting barrel (2) is fixedly connected to the top of the supporting base (1), a heating tank (3) is fixedly connected to the top of the supporting barrel (2), a material passing pipe (17) is fixedly connected to the bottom of the heating tank (3), the material passing pipe (17) is fixedly connected with the supporting barrel (2), an electric control valve (18) is installed on the material passing pipe (17), a spiral conveying rod (15) is rotatably connected to the inside of the supporting barrel (2), a first motor (16) is arranged on one side of the supporting barrel (2), the output end of the first motor (16) is fixedly connected with the spiral conveying rod (15), a sealing sleeve (6) is fixedly connected to the inside of the heating tank (3), a connecting rod (5) is slidably connected to the inside of the sealing sleeve (6), a reciprocating mechanism (4) is arranged on one side of the heating tank (3), the connecting rod (5) is connected with the reciprocating mechanism (4), a rotating column (19) is rotatably connected to one end of the connecting rod (5), a supporting blade (21) is fixedly connected with a material feeding pipe (13) on the top of the supporting base, the inboard swing joint of support frame (13) has last mould (11), the top of support frame (13) is equipped with pneumatic cylinder (12), the output and the last mould (11) fixed connection of pneumatic cylinder (12), the spacing slide bar (14) of top fixedly connected with of going up mould (11), spacing slide bar (14) and support frame (13) sliding connection, the top fixedly connected with of support base (1) and last mould (11) complex lower mould (27), the inside of supporting base (1) is equipped with ejection mechanism (8), the inside of lower mould (27) is equipped with the spiral and leads cold water service pipe (10), the top of supporting base (1) is equipped with cooling body (7), cooling body (7) are led cold water service pipe (10) with the spiral and are connected.

2. The EPP foamed plastic production molding device according to claim 1, characterized in that the inside swing joint of rotation post (19) has dwang (22), two limit slide blocks (23) of outside symmetry fixedly connected with of dwang (22), two first limit chute (24) have been seted up to the inside symmetry of rotation post (19), limit slide block (23) and a limit chute (24) sliding connection, the one end and the heating jar (3) of dwang (22) rotate to be connected, one side of heating jar (3) is equipped with No. two motor (25), the output and the dwang (22) fixed connection of No. two motor (25).

3. EPP foam production molding apparatus according to claim 2, characterized in that the inside of the heating tank (3) is provided with an electric heating plate (20).

4. The EPP foam plastic production and molding device according to claim 3, wherein the reciprocating mechanism (4) comprises a fixed box (41), one side of the heating tank (3) is fixedly connected with the fixed box (41), the fixed box (41) is rotatably connected with a rotating disc (42) inside, one side of the fixed box (41) is provided with a third motor (26), the output end of the third motor (26) is fixedly connected with the rotating disc (42), the fixed box (41) is slidably connected with a sliding plate (43) inside, one end of the connecting rod (5) is fixedly connected with the sliding plate (43), one side of the sliding plate (43) is fixedly connected with two fixed plates (44), one side of the fixed box (41) is rotatably connected with an adjusting plate through a rotating shaft, and the two fixed plates (44) are rotatably connected with the adjusting plate through a rotating shaft.

5. EPP foam production moulding device according to claim 4, characterized in that the support basket (2) is connected to the lower mould (27) by means of injection pipes.

6. EPP foam production molding apparatus according to claim 5, wherein the fixing sleeve (9) is fixedly connected to the inside of the upper mold (11), and the ejection mechanism (8) is connected to the fixing sleeve (9).

7. The EPP foam plastic production molding device according to claim 6, wherein the ejection mechanism (8) comprises a top plate (81), the supporting base (1) is internally and slidably connected with the top plate (81), the top of the top plate (81) is fixedly connected with three ejector rods (83), the ejector rods (83) are slidably connected with the supporting base (1), the ejector rods (83) are slidably connected with the lower mold (27), the top of the top plate (81) is equidistantly provided with four springs (82), one end of each spring (82) is fixedly connected with the supporting base (1), the top of the top plate (81) is fixedly connected with a sliding rod (84), the sliding rod (84) is slidably connected with the supporting base (1), the sliding rod (84) is slidably connected with the fixing sleeve (9), the top of the sliding rod (84) is fixedly connected with a limiting sliding plate (29), the fixing sleeve (9) is internally provided with a second limiting sliding groove (30), and the limiting sliding plate (29) is slidably connected with the second limiting sliding groove (30).

8. The EPP foamed plastic production molding device according to claim 7, characterized in that the cooling mechanism (7) comprises a water storage tank (71), the top of the support base (1) is provided with the water storage tank (71), three cold guide rods (72) are arranged inside the water storage tank (71), the top of the water storage tank (71) is provided with semiconductor refrigeration sheets (73), the refrigerated side of the semiconductor refrigeration sheets (73) is fixedly connected with the cold guide rods (72), the top of the support base (1) is provided with a water pump (74), the input end of the water pump (74) is connected with the water storage tank (71) through a water pipe, the output end of the water pump (74) is connected with the spiral cold guide water through pipe (10) through a water pipe, and one end of the spiral cold guide water through pipe (10) is connected with the water storage tank (71) through a water pipe.

9. The EPP foam plastic production and molding device according to claim 8, wherein a control panel (28) is arranged on one side of the support base (1), and the semiconductor refrigeration piece (73), the water pump (74), the hydraulic cylinder (12), the first motor (16), the electric control valve (18), the electric heating plate (20), the second motor (25) and the third motor (26) are electrically connected with the control panel (28).

10. The EPP foam production and molding process according to any one of claims 1 to 9, comprising the steps of:

s1, heating an EPP foam plastic raw material, and crushing the EPP foam plastic raw material through a crushing shaft while heating, wherein the heating time is 30-55min, and the heating temperature is 110-210 ℃, so as to obtain an injection molding raw material;

s2, injecting the injection molding raw material into a mold cavity of the mold, cooling the injection molding raw material in the mold cavity through water cooling, and cooling the mold cavity to 20-30 ℃ for mold opening;

and S3, ejecting the injection molding raw material with the interior cooled through an ejection rod during mold opening to obtain the EPP foamed plastic.

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