CN110877434B

CN110877434B - Intelligent forming die for forming plastic foam plates

Info

Publication number: CN110877434B
Application number: CN201911216561.4A
Authority: CN
Inventors: 雷海英
Original assignee: Yonggao Co Ltd
Current assignee: Era Co Ltd
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2021-08-06
Anticipated expiration: 2039-12-02
Also published as: CN110877434A

Abstract

The invention discloses an intelligent forming die for forming a plastic foam plate, which comprises a die body, wherein a heat insulation plate is fixed at the upper end of the die body, a raw material box is fixed at the upper end of the heat insulation plate, a guide plate is fixed at the inner bottom of the raw material box, an output groove is formed in the bottom of the raw material box in a penetrating mode, an input pipe is fixed on the inner wall of the output groove, an input groove is formed in the upper end of the die body in a penetrating mode, the input pipe penetrates through the heat insulation plate and is fixedly connected with the inner wall of the input groove, and a closed groove communicated with the input groove is formed in the inner top of the die body. Has the advantages that: raw material particles will stop on the loading board after entering into the mould body is inside, and then make the loading board receive raw materials action of gravity to descend, and then make hydraulic oil enter into and promote inslot portion for the connecting rod drives the closing plate and gets into the closing groove, makes the raw materials will stop after reaching certain weight and drops into, has realized the good control to raw materials input volume, has further improved holistic shaping quality.

Description

Intelligent forming die for forming plastic foam plates

Technical Field

The invention relates to the technical field of foam plates, in particular to an intelligent forming die for forming plastic foam plates.

Background

The foam board is a white object which is formed by heating expandable polystyrene beads containing volatile liquid foaming agent in a mould after heating and pre-foaming, has the structural characteristic of fine closed pores, and is mainly used for heat preservation and insulation of building walls and roofs, heat preservation of composite boards, heat preservation of cold storages, air conditioners, vehicles and ships, floor heating, decoration carving and the like, and has wide application.

At present, the forming process of cystosepiment all is accomplished in the mould, and present forming die is when heating the raw materials, because hot steam circulates to the export from the import, so make hot steam always in the circulation in-process the heat of import position transmission many and export position heat is few, this has just led to the inside inhomogeneous that is heated of mould, make the subsequent shaping effect of panel relatively poor, and present mould has not enough in the control of raw materials addition volume, also can lead to panel shaping effect relatively poor.

Disclosure of Invention

The invention aims to solve the problem of uneven heating of a mold in the prior art, and provides an intelligent forming mold for forming a plastic foam plate.

In order to achieve the purpose, the invention adopts the following technical scheme: an intelligent forming die for forming plastic foam plates comprises a die body, wherein a heat insulation plate is fixed at the upper end of the die body, a raw material box is fixed at the upper end of the heat insulation plate, a guide plate is fixed at the inner bottom of the raw material box, an output groove is formed in the bottom of the raw material box in a penetrating manner, an input pipe is fixed on the inner wall of the output groove, an input groove is formed in the upper end of the die body in a penetrating manner, the input pipe penetrates through the heat insulation plate and is fixedly connected with the inner wall of the input groove, a closed groove communicated with the input groove is formed in the inner top of the die body, a closed structure is arranged in the closed groove, two symmetrically arranged check blocks are fixed on the side wall of the die body, a blocking mechanism is connected with the two check blocks together, a heating box is fixed on the outer wall of the die body, a plurality of heating pipes are inserted into the two side walls of the heating box in a penetrating manner, and a plurality of air outlet pipes are inserted into the bottom of the heating box, the upper end of the die body is provided with a plurality of cooling grooves at equal intervals.

In foretell intelligent forming die is used in plastic foam panel shaping, stop mechanism includes the baffle, the inner wall of baffle and two dogs all runs through sliding connection, two the lateral wall of dog all runs through and has seted up a plurality of jacks, the spacing hole with a plurality of jacks one-to-one is seted up to the lateral wall of baffle, every the jack all with the common sliding connection in the spacing hole that corresponds have the inserted bar.

In foretell plastic foam panel intelligent forming die for shaping, the enclosed construction is including offering the thrust slot in the mould body lateral wall, the thrust slot is linked together with the closed slot, the sealed sliding connection of inner wall of thrust slot has the connecting plate, the sealed sliding connection of inner wall of connecting plate and closed slot, the common fixedly connected with shrink spring of upper end and the inner wall of thrust slot of connecting plate, the lateral wall of connecting plate is fixed with the atress board, the sealed sliding connection of inner wall of atress board and thrust slot, the bottom of connecting plate is fixed with the closed board.

In the above-mentioned intelligent forming die for forming the plastic foam plate, a closed groove is formed in the inner bottom of the die body, an extrusion groove is formed in the bottom of the closed groove, a weighing spring is fixed to the inner bottom of the extrusion groove, a connecting rod which is inserted into the extrusion groove in a sealing and sliding mode is fixed to the upper end of the weighing spring, a bearing plate is fixed to the upper end of the connecting rod, the length and the width of the bearing plate are the same as those of the closed groove, and a hydraulic groove communicated with the bottom of the pushing groove is formed in the inner wall of the extrusion groove.

In foretell intelligent forming die for plastic foam panel shaping, the inner wall of the mould body has been seted up and has been pushed away the groove, the inner wall that pushes away the groove sets up the groove that resets of two symmetries, two the interior bottom that resets all is fixed with reset spring, two reset spring keeps away from the one end that corresponds the groove that resets and is fixed with the ejector plate jointly, ejector plate and the sealed sliding connection of the inner wall of the mould body.

In foretell plastic foam panel intelligent forming die for shaping, the outer wall of the mould body is fixed with a plurality of equalizer panels, and is a plurality of equalizer panels all is located the heating cabinet inside, and is a plurality of one side that the mould body was kept away from to equalizer panels is the inclined plane, and is a plurality of the heating pipe is equidistant to be distributed on the heating cabinet.

In the above-mentioned intelligent forming die for plastic foam panel shaping, the upper end of closing plate is fixed with the chock, the shaft diameter of chock is the same with the internal diameter of input tube, the length and width of closing plate is the same with the length and width of closed groove, the atress board is the spring bolt form, the one end that the atress board is close to the hydraulic groove is the inclined plane.

Compared with the prior art, the invention has the advantages that:

1. according to the invention, the baffle is inserted into the two stop blocks, so that the horizontal position of the baffle is limited, the mould body is further sealed by the baffle, the baffle is limited comprehensively by the limit of the inserted rod, the stability of the inner space of the mould body is ensured, the forming effect is improved, and when the formed plate is taken out, the baffle and the plate are separated by relative sliding, so that the surface of the plate can be directly damaged due to pulling, and the plate is well protected when the mould is opened;

2. according to the invention, the raw material particles stay on the bearing plate after entering the die body, so that the bearing plate is lowered under the action of the gravity of the raw material, the hydraulic oil enters the pushing groove, the connecting rod drives the sealing plate to enter the sealing groove, and the raw material stops being fed after reaching a certain weight, so that the raw material feeding amount is well controlled, and the integral forming quality is further improved;

3. in the invention, in the process of heating and expanding the raw materials, the push-out plate moves towards the inside of the push-out groove under the thrust, so that the reset spring is stressed and compressed, and when the die is opened, the formed plate moves out of the die cavity under the thrust of the push-out plate, so that the plate can be easily taken out;

4. according to the invention, the uniform plate becomes thinner gradually along the steam flowing direction, so that the heat transfer time of the position firstly contacting the steam is longer, the heat transfer time of the position secondly contacting the steam is shorter, the heat loss of the position where the uniform plate is thinner is less, the heat loss in the steam flowing process can be further compensated to a certain degree, the heat transferred to the mold body from each position of the uniform plate is approximately the same, and the transfer time is basically consistent, the purpose of overall uniform heating is further realized, and the forming effect of the foam plate is further improved.

Drawings

FIG. 1 is a schematic structural diagram of an intelligent forming mold for forming a plastic foam board according to the present invention;

FIG. 2 is a top view of an intelligent forming mold for forming a plastic foam board according to the present invention;

FIG. 3 is a side view of an intelligent forming mold for forming a plastic foam board according to the present invention;

FIG. 4 is a cross-sectional view taken along direction A of FIG. 1;

fig. 5 is an enlarged schematic view of a portion B in fig. 1.

In the figure: the device comprises a die body 1, a heat insulation plate 2, a raw material box 3, a guide plate 4, an output groove 5, an input pipe 6, an input groove 7, a closed groove 8, a stop block 9, a heating box 10, a heating pipe 11, an air outlet pipe 12, a cooling groove 13, a baffle plate 14, a jack 15, a limiting hole 16, an inserted rod 17, a closed groove 18, an extrusion groove 19, a weighing spring 20, a connecting rod 21, a bearing plate 22, a hydraulic groove 23, a pushing groove 24, a contraction spring 25, a connecting plate 26, a stress plate 27, a closed plate 28, a plug block 29, a pushing groove 30, a resetting groove 31, a resetting spring 32, a pushing plate 33 and a uniform plate 34.

Detailed Description

The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

Examples

Referring to fig. 1-5, an intelligent forming mold for forming a plastic foam plate comprises a mold body 1, a heat insulation plate 2 is fixed at the upper end of the mold body 1, a raw material box 3 is fixed at the upper end of the heat insulation plate 2, a guide plate 4 is fixed at the inner bottom of the raw material box 3, an output slot 5 is formed at the bottom of the raw material box 3 in a penetrating manner, an input pipe 6 is fixed at the inner wall of the output slot 5, an input slot 7 is formed at the upper end of the mold body 1 in a penetrating manner, the input pipe 6 is fixedly connected with the inner wall of the input slot 7 in a penetrating manner, a closed slot 8 communicated with the input slot 7 is formed at the inner top of the mold body 1, a closed structure is arranged inside the closed slot 8, two symmetrically arranged stop blocks 9 are fixed on the side wall of the mold body 1, the stop blocks 9 are U-shaped, the two stop blocks 9 are commonly connected with a blocking mechanism, a heating box 10 is fixed on the outer wall of the mold body 1, a plurality of heating pipes 11 are inserted through the two side walls of the heating box 10, a plurality of air outlet pipes 12 are inserted through the bottom of the heating box 10, and a plurality of cooling grooves 13 are arranged at equal intervals on the upper end of the die body 1.

Stop mechanism includes baffle 14, and baffle 14 all runs through sliding connection with the inner wall of two dog 9, and the lateral wall of two dog 9 all runs through and has seted up a plurality of jacks 15, and the spacing hole 16 with a plurality of jacks 15 one-to-one is seted up to the lateral wall of baffle 14, and every jack 15 all has inserted bar 17 with the common sliding connection in the spacing hole 16 of corresponding, realizes the injecing to baffle 14 position through inserted bar 17.

The closed structure comprises a pushing groove 24 arranged on the side wall of the die body 1, the pushing groove 24 is communicated with the closed groove 8, the inner wall of the pushing groove 24 is hermetically and slidably connected with a connecting plate 26, the connecting plate 26 is hermetically and slidably connected with the inner wall of the closed groove 8, the upper end of the connecting plate 26 and the inner wall of the pushing groove 24 are fixedly connected with a contraction spring 25 together, the side wall of the connecting plate 26 is fixedly provided with a stress plate 27, the stress plate 27 is hermetically and slidably connected with the inner wall of the pushing groove 24, and the bottom of the connecting plate 26 is fixedly provided with a closed plate 28; closed groove 18 has been seted up to the interior bottom of the mould body 1, extrusion groove 19 has been seted up to the bottom of closed groove 18, the interior bottom of extrusion groove 19 is fixed with weighing spring 20, weighing spring 20's upper end is fixed with sealed slip cartridge connecting rod 21 in extrusion groove 19, the upper end of connecting rod 21 is fixed with loading board 22, the length and width of loading board 22 is the same with the length and width of closed groove 18, extrusion groove 19's inner wall is seted up and is promoted groove 24 bottom hydraulic pressure groove 23 of intercommunication, hydraulic pressure inslot 23 intussuseption is filled with hydraulic pressure fluid.

The inner wall of the mould body 1 has been seted up and has been pushed out groove 30, the inner wall of pushing out groove 30 has seted up the reset groove 31 that two symmetries set up, the interior bottom of two reset grooves 31 all is fixed with reset spring 32, two reset spring 32 keep away from the one end that corresponds reset groove 31 and be fixed with ejector plate 33 jointly, ejector plate 33 and the sealed sliding connection of the inner wall of the mould body 1, the raw materials will promote ejector plate 33 and remove after being heated the inflation, and then make reset spring 32 atress be in compression state, after baffle 14 takes off, panel after the shaping will pop out the die cavity under reset spring 32's elastic force, realize the demolding of panel.

The outer wall of the mould body 1 is fixed with a plurality of uniformed plates 34, a plurality of uniformed plates 34 all are located inside the heating cabinet 10, one side that the mould body 1 was kept away from to a plurality of uniformed plates 34 is the inclined plane, a plurality of heating pipes 11 are equidistant to be distributed on the heating cabinet 10, the thickness of uniformed plates 34 gradually reduces along the direction that steam airflow flows, and then the situation of being heated of guaranteeing each position of the mould body 1 is roughly the same, realize good even heating effect, improve holistic shaping quality.

The upper end of the closing plate 28 is fixed with a plug block 29, the axial diameter of the plug block 29 is the same as the inner diameter of the input pipe 6, the input pipe 6 is closed through the plug block 29, good blockage of raw materials can be achieved, the length and width of the closing plate 28 are the same as those of the closing groove 8, effective blockage of the closing groove 8 is guaranteed, meanwhile, gaps do not occur, it is guaranteed that the raw materials cannot enter the gaps after expansion, and further the forming quality of the plate is guaranteed, the stress plate 27 is in a bolt shape, one end, close to the hydraulic groove 23, of the stress plate 27 is an inclined surface, hydraulic oil inside the hydraulic groove 23 enters the pushing groove 24 and then contacts the inclined surface of the stress plate 27, upward component force is generated, the stress plate 27 moves upwards, and further the connecting plate 26 drives the closing plate 28 to move and gradually block the closing groove 8, and further control of the input amount of the raw materials is achieved.

In the invention, when the foam board is produced, firstly, the baffle plates 14 are inserted into the two baffle plates 9, so that the jacks 15 correspond to the limiting holes 16 one by one, then the inserting rods 17 are inserted into the jacks 15, the positions of the limiting holes 16 and the jacks 15 are kept unchanged through the connection of the inserting rods 17, and further the baffle plates 14 are limited, and the baffle plates 14 are limited by the baffle plates 9 in the horizontal direction, so that the baffle plates 14 are completely limited, the sealing of the internal environment of the mould body 1 can be ensured, and the sealing sliding connection between the baffle plates 9 and the baffle plates 14 can ensure that the internal materials of the mould body 1 do not overflow, and further the forming effect is improved;

after the die body 1 is sealed, raw material particles are poured into the raw material tank 3, under the guiding action of the inclined plane on the guide plate 4, the raw material particles accurately enter the input pipe 6 and then enter the die body 1 through the closed groove 8, so that the raw material is added, along with the continuous entering of the raw material, the weight of the raw material on the bearing plate 22 is continuously increased, the bearing plate 22 continuously drives the connecting rod 21 to compress the weighing spring 20, the height of the bearing plate 22 is continuously reduced, the connecting rod 21 continuously enters the extrusion groove 19, so that the hydraulic oil in the extrusion groove 19 continuously rushes into the hydraulic groove 23, so that the hydraulic oil in the hydraulic groove 23 continuously rushes into the push groove 24, the hydraulic oil entering the push groove 24 pushes the stress plate 27, the stress plate 27 moves upwards under the hydraulic thrust, and then the connecting plate 26 is driven to move upwards and compress the contraction spring 25, the closing plate 28 is driven by the connecting plate 26 to gradually move upwards, so that the closing plate 28 gradually enters the closing groove 8 along with the increase of the adding amount of the raw material particles, the closing groove 8 is reinforced to be blocked, the raw material particles do not fall off, the adding amount of the raw material is controlled, and effective forming is guaranteed;

after the raw materials are added, high-temperature steam is filled into the heating box 10 through the heating pipe 11, the heating of the die body 1 is realized, the steam enters from the heating pipe 11 and flows out from the air outlet pipe 12, heat is continuously transferred to the uniform plate 34 in the steam flowing process and then is transferred to the die body 1 through the uniform plate 34, the uniform plate 34 becomes thinner gradually along the steam flowing direction, the heat transfer time of the position which is firstly contacted with the steam is longer, the heat transfer time of the position which is contacted with the steam is shorter, the heat loss of the position which is thinner of the uniform plate 34 is less, the heat loss in the steam flowing process can be further compensated to a certain extent, the heat transferred to the die body 1 from each position of the uniform plate 34 is approximately the same, the transfer time is basically consistent, the purpose of comprehensive uniform heating is realized, and the forming effect of the foam plate is further improved;

after the raw material in the die body 1 is heated and expanded, the bearing plate 22 and the closing plate 28 are both subjected to thrust, so that the bearing plate 22 completely enters the closing groove 18, the closing plate 28 completely enters the closing groove 8, the pushing plate 33 is stressed to compress the return spring 32 until the pushing plate 33 abuts against the inner wall of the pushing groove 30, so that the part of the die body 1, which is not influenced by bulges and the like, in the forming structure can not be generated, and a good forming effect is ensured;

after the raw materials are molded, cooling water flow is filled into the cooling groove 13, and then redundant heat in the die body 1 is taken away through circulation of the cooling water flow, so that the die body 1 is cooled, after the cooling is finished, the insert rod 17 is taken down, then the baffle 14 is drawn out, and the baffle 14 slides relative to the surface of the molded plate in the process of being drawn out, so that the baffle is separated from the molded plate, the baffle is not difficult to separate from the plate due to adhesion and combination with the plate in the process of die opening, the pulling damage to the plate caused by the separation of the baffle 14 and the plate in the process of die opening can be avoided, and the molding effect of the plate is effectively ensured; after the baffle plate 14 is taken down, the formed plate is pushed by the pushing plate 33 due to the fact that the baffle plate 14 is not blocked, and then the plate is ejected outwards under the elastic force action of the return spring 32, so that the plate is separated from the inside of the die cavity, and the formed plate is taken out conveniently.

Although the terms of the mold body 1, the heat insulation plate 2, the raw material tank 3, the guide plate 4, the output chute 5, the input pipe 6, the input chute 7, the closing chute 8, the stopper 9, the heating tank 10, the heating pipe 11, the air outlet pipe 12, the cooling chute 13, the baffle plate 14, the insertion hole 15, the limiting hole 16, the insertion rod 17, the closing chute 18, the pressing chute 19, the weighing spring 20, the connecting rod 21, the bearing plate 22, the hydraulic chute 23, the pushing chute 24, the contraction spring 25, the connecting plate 26, the force receiving plate 27, the closing plate 28, the stopper 29, the pushing chute 30, the returning chute 31, the returning spring 32, the pushing plate 33, the uniform plate 34, and the like are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. The intelligent forming die for forming the plastic foam plates comprises a die body (1) and is characterized in that a heat insulation plate (2) is fixed at the upper end of the die body (1), a raw material box (3) is fixed at the upper end of the heat insulation plate (2), a guide plate (4) is fixed at the inner bottom of the raw material box (3), an output groove (5) is formed in the bottom of the raw material box (3) in a penetrating mode, an input pipe (6) is fixed on the inner wall of the output groove (5), an input groove (7) is formed in the upper end of the die body (1) in a penetrating mode, the input pipe (6) penetrates through the heat insulation plate (2) and is fixedly connected with the inner wall of the input groove (7), a closed groove (8) communicated with the input groove (7) is formed in the inner top of the die body (1), a closed structure is arranged inside the closed groove (8), two symmetrically-arranged stop blocks (9) are fixed on the side wall of the die body (1), the two check blocks (9) are connected with a blocking mechanism together, the outer wall of the die body (1) is fixed with a heating box (10), two side walls of the heating box (10) are inserted with a plurality of heating pipes (11), the bottom of the heating box (10) is inserted with a plurality of air outlet pipes (12), a plurality of cooling grooves (13) are formed in the upper end of the die body (1) at equal intervals, the sealing structure comprises a pushing groove (24) formed in the side wall of the die body (1), the pushing groove (24) is communicated with a closed groove (8), the inner wall of the pushing groove (24) is connected with a connecting plate (26) in a sealing and sliding mode, the connecting plate (26) is connected with the inner wall of the closed groove (8) in a sealing and sliding mode, the upper end of the connecting plate (26) is fixedly connected with a contraction spring (25) together with the inner wall of the pushing groove (24), and a stress plate (27) is fixed on the side wall of the connecting plate (26), the stress plate (27) is connected with the inner wall of the pushing groove (24) in a sealing and sliding mode, and a closing plate (28) is fixed at the bottom of the connecting plate (26).

2. The intelligent forming die for forming the plastic foam board as claimed in claim 1, wherein the blocking mechanism comprises a baffle (14), the baffle (14) is slidably connected with the inner walls of the two stoppers (9) in a penetrating manner, the side walls of the two stoppers (9) are provided with a plurality of insertion holes (15) in a penetrating manner, the side walls of the baffle (14) are provided with limiting holes (16) corresponding to the insertion holes (15) in a one-to-one manner, and each insertion hole (15) is slidably connected with an insertion rod (17) together with the corresponding limiting hole (16).

3. The intelligent forming die for forming the plastic foam board as claimed in claim 1, wherein a closed groove (18) is formed in the inner bottom of the die body (1), an extrusion groove (19) is formed in the bottom of the closed groove (18), a weighing spring (20) is fixed to the inner bottom of the extrusion groove (19), a connecting rod (21) which is inserted into the extrusion groove (19) in a sealing and sliding manner is fixed to the upper end of the weighing spring (20), a bearing plate (22) is fixed to the upper end of the connecting rod (21), the length and width of the bearing plate (22) are the same as those of the closed groove (18), and a hydraulic groove (23) communicated with the bottom of the pushing groove (24) is formed in the inner wall of the extrusion groove (19).

4. The intelligent forming die for forming the plastic foam plate material as claimed in claim 1, wherein a push-out groove (30) is formed in the inner wall of the die body (1), two symmetrically-arranged reset grooves (31) are formed in the inner wall of the push-out groove (30), reset springs (32) are fixed to the inner bottoms of the two reset grooves (31), a push-out plate (33) is fixed to one end, far away from the corresponding reset groove (31), of each reset spring (32), and the push-out plate (33) is connected with the inner wall of the die body (1) in a sealing and sliding manner.

5. The intelligent forming die for forming the plastic foam board as claimed in claim 1, wherein a plurality of uniform plates (34) are fixed on the outer wall of the die body (1), the uniform plates (34) are all located inside the heating box (10), one sides of the uniform plates (34) far away from the die body (1) are all inclined planes, and the heating pipes (11) are distributed on the heating box (10) at equal intervals.

6. The intelligent forming die for plastic foam board forming is characterized in that a plug block (29) is fixed at the upper end of the closing plate (28), the axial diameter of the plug block (29) is the same as the inner diameter of the input pipe (6), the length and the width of the closing plate (28) are the same as those of the closing groove (8), the stress plate (27) is in a bolt shape, and one end, close to the hydraulic groove (23), of the stress plate (27) is an inclined surface.