CN117162399B - Multistage fusion forming device of plastic sheet granule - Google Patents
Multistage fusion forming device of plastic sheet granule Download PDFInfo
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- CN117162399B CN117162399B CN202311312740.4A CN202311312740A CN117162399B CN 117162399 B CN117162399 B CN 117162399B CN 202311312740 A CN202311312740 A CN 202311312740A CN 117162399 B CN117162399 B CN 117162399B
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- 239000002985 plastic film Substances 0.000 title claims abstract description 16
- 230000004927 fusion Effects 0.000 title claims abstract description 14
- 239000008187 granular material Substances 0.000 title claims description 5
- 239000004033 plastic Substances 0.000 claims abstract description 65
- 229920003023 plastic Polymers 0.000 claims abstract description 65
- 239000002245 particle Substances 0.000 claims abstract description 49
- 238000001816 cooling Methods 0.000 claims abstract description 26
- 238000010438 heat treatment Methods 0.000 claims description 164
- 239000007788 liquid Substances 0.000 claims description 114
- 238000005057 refrigeration Methods 0.000 claims description 102
- 238000001125 extrusion Methods 0.000 claims description 64
- 238000001746 injection moulding Methods 0.000 claims description 27
- 239000004065 semiconductor Substances 0.000 claims description 11
- 238000007664 blowing Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 6
- 238000009423 ventilation Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 51
- 238000002844 melting Methods 0.000 abstract description 8
- 230000008018 melting Effects 0.000 abstract description 8
- 238000012545 processing Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 135
- 239000010726 refrigerant oil Substances 0.000 description 19
- 238000004519 manufacturing process Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 9
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 6
- 235000017491 Bambusa tulda Nutrition 0.000 description 6
- 241001330002 Bambuseae Species 0.000 description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 6
- 239000011425 bamboo Substances 0.000 description 6
- 238000000465 moulding Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to the technical field of plastic processing, in particular to a plastic sheet particle multistage fusion forming device which comprises a supporting seat, wherein a supporting plate which is vertically arranged is arranged in the middle of the supporting seat, a mounting plate which is vertically arranged is arranged between the supporting seat and the supporting plate, one side of the mounting plate, which is close to the supporting plate, is provided with a plurality of groups of driving rod rods which are horizontally arranged, one end of each driving rod is fixedly connected with a moving plate, and each driving rod is used for driving the corresponding moving plate to move; by means of the reciprocating movement of the hydraulic telescopic rod, when the die is injected, the advance fixed die can be preheated and secondarily heated, the melting effect of plastic particles is improved, after the die is injected, the fixed die can be rapidly cooled in advance, and along with the resetting of the hydraulic telescopic rod, the cooling effect in the fixed die is improved, and therefore the use convenience is improved.
Description
Technical Field
The invention relates to the technical field of plastic processing, in particular to a plastic sheet particle multistage fusion forming device.
Background
When plastic particles are produced into products, the plastic particles are required to be heated and melted, the melted plastic particles are extruded into a die, and after the die is cooled, the die is demolded, so that the production of the products is completed;
At present, when plastic particles are produced, most melt through heating, then extrude to the mould in, because the temperature in the mould is lower after last cooling drawing of patterns to influence when the plastic particles after melting enters into the mould, cause plastic particles solidification, thereby influence the qualification rate of product, therefore propose a plastic sheet particle multistage fusion forming device, be convenient for carry out the secondary heating to the plastic particles that enters into the mould, thereby improve the production efficiency of product.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a multi-stage fusion forming device for plastic sheet particles, which is convenient for carrying out secondary heating on the plastic particles entering a die, thereby improving the production efficiency of products.
The technical scheme adopted by the invention for solving the technical problems is that the multistage plastic sheet particle fusion forming device comprises a supporting seat, wherein a supporting plate which is vertically arranged is arranged in the middle of the supporting seat, a mounting plate which is vertically arranged is arranged between the supporting seat and the supporting plate, one side of the mounting plate, which is close to the supporting plate, is provided with a plurality of groups of driving rods which are horizontally arranged, one end of each driving rod is fixedly connected with a moving plate, the driving rods are used for driving the moving plates to move, one side, which is close to the supporting plate, of each moving plate is provided with a moving die, and one side, which is close to the moving die, of each supporting plate is provided with a fixed die corresponding to the moving die;
The plastic extrusion device is fixedly connected with the upper surface of the supporting seat, the plastic extrusion device is in extrusion contact with one side of the fixed mold, the upper surface of the supporting seat is provided with a liquid circulation structure, and the liquid circulation structure is communicated with the inside of the fixed mold.
By adopting the technical scheme, when the die is injection molded, the driving rod is used for driving the movable plate to move, the movable plate is driven to move when the movable plate moves, the movable plate moves to a certain position and then is in extrusion contact with the fixed die, the melted plastic particles are extruded into the fixed die by virtue of the plastic extrusion device, and the melted plastic particles are extruded into the fixed die by virtue of the plastic extrusion device and are heated in the fixed die by virtue of the liquid circulation structure, so that the melted plastic particles are secondarily heated;
after the injection molding of the mould is completed, the plastic extrusion device does not inject melted plastic particles into the fixed mould, at the moment, the fixed mould is cooled by virtue of the liquid circulation structure, after the cooling work is completed, the movable mould is pulled to move, the plastic sheet is subjected to demoulding, and the movable mould is driven to move again after the demoulding is completed, so that the machining work is convenient to carry out again.
Specifically, the plastics extrusion device includes the fixed section of thick bamboo that the level set up, the inside hob that sets up that is equipped with the level of fixed section of thick bamboo, one side that the backup pad is close to the fixed section of thick bamboo is equipped with the trompil that runs through the setting, the one end intercommunication that the fixed section of thick bamboo is close to the backup pad has the extruder head, the one end of extruder head passes the trompil and corresponds with the hole of moulding plastics of fixed mould, the one end fixedly connected with flexible extrusion structure of extruder head is kept away from to the hob, flexible extrusion structure is used for driving the hob and removes.
Through adopting above-mentioned technical scheme, when moulding plastics to the mould, rely on flexible extrusion structure to drive the hob and remove, make the hob extrude the plastics granule that melts in the fixed section of thick bamboo, after the hob removes certain position, the plastics granule that melts in the fixed section of thick bamboo enters into the fixed mould through extruder head and hole of moulding plastics to accomplish the operation of moulding plastics to the product.
Specifically, the upper surface of the fixed mould is provided with two groups of liquid inlet joints, a circulation pipeline is arranged in the fixed mould, and two ends of the circulation pipeline are respectively communicated with the two groups of liquid inlet joints;
the liquid circulation structure comprises a heating box and a refrigerating box, wherein a first piston plate is hermetically and slidingly connected in the heating box, one side, close to a supporting plate, of the first piston plate is connected with a plurality of groups of heating rods which are vertically distributed, one end, far away from the first piston plate, of each heating rod penetrates through the heating box and is hermetically and slidingly connected with the heating box, one end of each heating rod is connected with a telescopic extrusion structure, heat conduction oil is arranged in the heating box, the heat conduction oil is positioned on one side, close to the heating rod, of the first piston plate, a first liquid outlet connector is arranged on one side, close to the supporting plate, of the upper surface of the heating box, and is communicated with the inside of the heating box, and the first liquid outlet connector is communicated with a group of liquid inlet connectors through pipelines;
The inside of the refrigeration box is hermetically and slidingly connected with a second piston plate, a piston rod is fixedly connected to one side, far away from the supporting plate, of the second piston plate, the piston rod penetrates through the refrigeration box and is hermetically and slidingly connected with the refrigeration box, and the piston rod is connected with a telescopic extrusion structure; the refrigerating box is internally provided with a refrigerating structure, refrigerating oil is arranged in the refrigerating box, the refrigerating oil is positioned on one side of the second piston plate, which is close to the piston rod, the upper surface of the refrigerating box is provided with a second liquid outlet connector, the second liquid outlet connector is communicated with the inside of the refrigerating box, and the second liquid outlet connector is communicated with another group of liquid inlet connectors through a pipeline.
By adopting the technical scheme, when the die is injection molded, the heating rod and the piston rod are driven to synchronously move by virtue of the extension of the telescopic extrusion structure, and meanwhile, the screw rod is driven to move by virtue of the extension of the telescopic extrusion structure;
when the heating rod moves, the first piston plate is driven to synchronously move, and the heat conduction oil in the heating box is extruded by virtue of the movement of the first piston plate, and the whole heating box is not filled with the heat conduction oil in the heating box; when the telescopic extrusion structure continues to extend, the screw rod can extrude the melted plastic particles in the fixed cylinder into the fixed mold, meanwhile, the heating rod continuously drives the first piston plate to move, at the moment, the heat conducting oil in the heating box enters a circulating pipeline in the fixed mold, and meanwhile, the gas in the circulating pipeline can be extruded to be convenient for entering the refrigerating box, so that the temperature of the fixed mold is improved, the plastic particles entering the fixed mold are heated for the second time, and the melting effect of the plastic particles is improved;
When the telescopic extrusion structure is extended, the piston rod is driven to move, the second piston plate is driven to move, a suction effect is generated by virtue of the movement of the second piston plate, and when the second piston plate moves, gas in the circulating pipeline is pumped into the refrigerating box through the communication of the second liquid outlet connector and the other group of liquid inlet connectors, and the heat conducting oil can conveniently enter the circulating pipeline;
after the injection molding of the mold is finished, the heating rod and the piston rod are driven to synchronously move and reset by virtue of the reset of the telescopic extrusion structure, and meanwhile, the screw rod is driven to move and reset when the telescopic extrusion structure stretches;
when the piston rod moves and resets, the gas in the refrigeration box is conveyed to a circulation pipeline in the fixed mould through a second liquid outlet joint by the second piston plate, heat conduction oil in the circulation pipeline is convenient to return to the heating box, and the fixed mould can be cooled in advance due to the fact that the gas is cooled by the refrigeration oil; with the continuous resetting movement of the piston rod, the refrigerating oil in the refrigerating box can be conveyed into the fixed mould through the second liquid outlet connector, and the mould after injection molding in the fixed mould is rapidly cooled, so that the demoulding work is convenient, and the production efficiency of products is improved;
When the heating rod moves and resets, the first piston plate is driven to move, at the moment, the first piston plate and the inner wall of the heating box are in sealed sliding connection, a suction effect can be generated, the first liquid outlet connector is convenient for pumping the heat conduction oil in the circulating pipeline back into the heating box, and the heat conduction oil is heated again by the heating rod; when the refrigerating oil enters the circulating pipeline, gas enters the heating box for heating along with the suction of the first piston plate, and the preheating of the die in the fixed die is facilitated before the subsequent heat conducting oil enters the circulating pipeline;
when the telescopic extrusion structure drives the screw rod to reset, molten plastic particles are not injected into the fixed mould any more; by means of the reciprocating movement of the telescopic extrusion structure, the advanced fixed mould can be preheated and secondarily heated when the mould is subjected to injection molding, the melting effect of plastic particles is improved, the fixed mould can be rapidly cooled in advance along with the completion of the injection molding of the mould, and the cooling effect in the fixed mould is improved along with the resetting of the telescopic extrusion structure, so that the production efficiency of a product is improved;
in the moving process of the first piston plate, the larger the contact area between the heat conduction oil and the heating rod is, the higher the heating efficiency of the heat conduction oil is, so that the effect of gradually increasing the heating efficiency of the heat conduction oil in the process of sucking the circulating pipeline by the heating box is realized, and the effect of gradually reducing the heating efficiency of the heat conduction oil in the process of extruding the heat conduction oil for discharging is realized; thereby ensuring the heating stability of the heat conducting oil.
Specifically, one end of the heating rod, which is far away from the first piston plate, is connected with an L-shaped connecting rod, and the horizontal section of the L-shaped connecting rod is fixedly connected with the telescopic extrusion structure;
the refrigeration structure comprises a plurality of groups of horizontally arranged refrigeration pipes, one ends of the refrigeration pipes penetrate through the refrigeration box and the second piston plate, the refrigeration pipes are in sealed sliding connection with the second piston plate, one ends of the refrigeration pipes, which are far away from the refrigeration box, are fixedly connected with a semiconductor refrigeration device, the semiconductor refrigeration device is fixedly connected with the outer side of the refrigeration box through a support rod, one side of the semiconductor refrigeration device is connected with a radiator, and a radiator fan is arranged on the upper portion of the radiator.
By adopting the technical scheme, the telescopic extrusion structure drives the heating rod and the piston rod to move when being extended, and the heating rod conveys the gas and the heat conduction oil in the heating box into the circulating pipeline when moving, so that the fixed mould is preheated and heated;
likewise, when the piston rod moves, the refrigerating oil in the fixed mould is pumped back into the refrigerating box again, and the refrigerating oil in the refrigerating box is cooled by the semiconductor refrigerating device; the heat in the refrigeration oil is conveyed by means of the refrigeration pipe, and the heat is discharged by the radiator and the cooling fan, so that the cooling effect of the refrigeration oil is improved, the subsequent rapid cooling of the die subjected to injection molding in the fixed die is facilitated, and the production efficiency is improved;
In the moving process of the second piston plate, the larger the contact area between the refrigerating oil and the refrigerating pipe is, the higher the refrigerating efficiency of the refrigerating oil is, so that the effect of gradually increasing the refrigerating efficiency of the refrigerating oil in the process of sucking the circulating pipeline by the refrigerating box is realized, and the effect of gradually reducing the refrigerating efficiency of the refrigerating oil in the process of extruding the refrigerating oil to be discharged is realized; thereby ensuring the refrigeration stability of the refrigeration oil.
Specifically, the telescopic extrusion structure comprises a hydraulic telescopic rod, the output end of the hydraulic telescopic rod is rotationally connected with a sleeve, a sliding groove which penetrates through the sleeve is formed in the outer side of the sleeve, one end, far away from an extruder head, of the screw rod is in sliding connection with the sleeve, a sliding block is arranged in the outer side of one end, close to the sleeve, of the screw rod, and the sliding block is in sliding connection with the sliding groove;
the output outside fixedly connected with solid fixed ring of hydraulic telescoping rod, gu fixed ring's outside fixedly connected with first dead lever, second dead lever, first dead lever and L type connecting rod's horizontal segment fixed connection, second dead lever and piston rod keep away from the one end fixed connection of second piston board.
By adopting the technical scheme, when the output end of the hydraulic telescopic rod stretches, the fixed ring and the sleeve are driven to move, when the sleeve moves, the fixed ring drives the L-shaped connecting rod and the piston rod to synchronously move by virtue of the first fixed rod and the second fixed rod, and the L-shaped connecting rod drives the first piston plate to move when moving, and the gas in the heating box is conveyed to the internal circulation pipeline of the fixed mould, so that the fixed mould is preheated in advance;
When the output end of the hydraulic telescopic rod continues to extend, the sliding block moves to one end of the sliding groove, at the moment, the sleeve extrudes one end of the spiral rod through the sliding block and drives the spiral rod to move, so that melted plastic particles in the fixed cylinder are conveyed into the fixed mould to finish injection molding operation, and meanwhile, the output end of the hydraulic telescopic rod continues to extend, heat conduction oil in the heating box is conveyed into the circulating pipeline, so that secondary heating is conveniently carried out on the melted plastic particles when the mould is injected, and the actual use effect is improved;
when the output end of the hydraulic telescopic rod is reset and moved, the sleeve is driven to move, the sliding block is in sliding connection with the sliding groove when the sleeve moves, meanwhile, the piston rod is driven to move and reset through the fixed ring, and the gas in the refrigeration box is conveyed to the circulating pipeline, so that the fixed mould is cooled; when the output end of the hydraulic telescopic rod continuously moves and resets, the spiral rod is driven by the sleeve and the sliding block to move and reset, and at the moment, the piston rod is continuously driven by the fixed ring to move and reset, and refrigerating oil in the refrigerating box is conveyed to the circulating pipeline, so that the cooling effect on the fixed mould is further improved.
Specifically, the lower part of the first liquid outlet connector and the lower part of the second liquid outlet connector are respectively communicated with a communicating pipe, the two groups of communicating pipes are respectively arranged in the heating tank and the cooling tank, the outer sides of the upper ends of the communicating pipes are respectively communicated with a one-way liquid outlet valve, the lower ends of the communicating pipes, which are positioned on the one-way liquid outlet valves, are communicated with one-way liquid inlet valves, the one-way liquid inlet valves are positioned below the one-way liquid outlet valves, and the bottoms of the communicating pipes are provided with liquid inlet nozzles.
By adopting the technical scheme, when the first piston plate extrudes the heat conduction oil in the heating box, the heat conduction oil in the heating box is extruded out through the one-way liquid outlet valve, and the heat conduction oil is conveyed into the circulating pipeline through the first liquid outlet joint, so that the die is heated; when the first piston plate is reset and moves, the first piston plate moves to generate a suction effect, at the moment, heat conduction oil in the circulating pipeline enters the liquid inlet nozzle through the communicating pipe and the one-way liquid inlet valve, the liquid inlet nozzle is used for spraying the heat conduction oil to the bottom of the heating box, impact force is generated when the heat conduction oil is sprayed out, so that the heat conduction oil is driven to move in a circulating mode, the heat conduction oil in the heating box can be better contacted with the heating rod, and the heating effect of the heat conduction oil is improved;
similarly, when the second piston plate extrudes the refrigerating oil in the refrigerating box, the refrigerating oil in the refrigerating box is extruded out through the one-way liquid outlet valve, and the refrigerating oil is conveyed into the circulating pipeline through the second liquid outlet joint, so that the die is cooled; when the second piston plate resets and moves, the second piston plate moves to generate a suction effect, at the moment, the refrigerating oil in the circulating pipeline can enter the liquid inlet nozzle through the communicating pipe and the one-way liquid inlet valve, the refrigerating oil is sprayed to the bottom of the refrigerating box by virtue of the liquid inlet nozzle, and impact force can be generated when the refrigerating oil is sprayed, so that the refrigerating oil is driven to move in a circulating way, the refrigerating oil in the refrigerating box can be better contacted with the refrigerating pipe, the heat dissipation effect of the refrigerating oil is improved, and the heat conduction oil is conveniently heated and cooled.
Specifically, the edges of the periphery of the first piston plate and the second piston plate are both located in an arc structure, and the edges of the inner walls of the heating box and the refrigerating box are both arranged to be round corner structures matched with the arc structure.
By adopting the technical scheme, when the heat conducting oil and the refrigerating oil are sprayed out through the liquid inlet spray head, the heat conducting oil and the refrigerating oil can be better moved in the heating box and the refrigerating box by virtue of the round corner structure of the inner walls of the heating box and the refrigerating box, so that the heating effect of the heat conducting oil and the cooling effect of the refrigerating oil are improved;
by means of the circular arc structure of the edges of the first piston plate and the second piston plate, the sealing performance of the sealing sliding connection with the heating box and the refrigerating box can be improved.
Specifically, a blowing plate is arranged on one side of the radiator, and the blowing plate is communicated with one side, far away from the piston rod, of the refrigeration box through a pipeline; one side of the heating box far away from the heating rod is provided with a ventilation valve.
By adopting the technical scheme, when the first piston plate is reset and moves, the gas on one side of the first piston plate, far away from the heating rod, in the heating box is discharged through the ventilation valve, so that the stability of the first piston plate during moving and resetting is improved;
When the second piston plate moves and resets, the second piston plate in the refrigeration box extrudes one side close to the radiator, at the moment, the gas on one side, far away from the refrigeration oil, of the second piston plate in the refrigeration box is discharged through the pipeline, and the gas is input to the blowing plate, so that the radiator is further cooled, and the cooling effect of the refrigeration oil is improved.
The invention has the beneficial effects that:
(1) According to the multistage plastic sheet particle fusion forming device, the reciprocating movement of the hydraulic telescopic rod is utilized, when the mould is subjected to injection molding, the advance fixed mould can be preheated and secondarily heated, the melting effect of plastic particles is improved, after the mould is subjected to injection molding, the fixed mould can be rapidly cooled in advance, and the cooling effect in the fixed mould is improved along with the resetting of the hydraulic telescopic rod, so that the use convenience is improved.
(2) According to the multi-stage fusion forming device for plastic sheet particles, refrigerating oil or heat conducting oil can be sprayed to the bottom of a refrigerating box or a heating box by virtue of the communicating pipe and the one-way liquid inlet valve, impact force can be generated during spraying, so that the refrigerating oil or the heat conducting oil is driven to circularly move, the refrigerating oil in the refrigerating box can better contact with the refrigerating pipe, the heat conducting oil in the heating box can better contact with the heating rod, the heat radiating effect of the refrigerating oil is improved, the heat conducting oil in the heating box can better contact with the heating rod, and the heating effect of the heat conducting oil is improved, so that the heat conducting oil is conveniently heated, the refrigerating oil is cooled, and the use convenience and the use effect are further improved.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is an isometric view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is an enlarged schematic view of the area A of FIG. 1 according to the present invention;
FIG. 4 is a schematic cross-sectional view of a liquid inlet joint according to the present invention;
FIG. 5 is a schematic cross-sectional view of a heating tank according to the present invention;
FIG. 6 is a schematic cross-sectional view of the refrigeration cassette of the present invention;
FIG. 7 is a schematic view of a sleeve connection structure according to the present invention;
fig. 8 is a schematic view of a connection structure of a communication pipe of the present invention;
FIG. 9 is a schematic diagram of a refrigeration structure connection structure according to the present invention;
FIG. 10 is a schematic view of a first piston plate connection structure of the present invention;
in the figure: 1. a support base; 2. a support plate; 3. a driving rod; 4. a moving plate; 5. moving the mold; 6. a fixed mold; 7. a fixed cylinder; 8. a screw rod; 9. opening holes; 10. an extruder head; 11. a liquid inlet joint; 12. a heating box; 13. a refrigeration box; 14. a first piston plate; 15. a heating rod; 16. heat conducting oil; 17. a first liquid outlet joint; 18. a second piston plate; 19. a piston rod; 20. refrigeration oil; 21. a second liquid outlet joint; 22. an L-shaped connecting rod; 23. a refrigeration tube; 24. a heat sink; 25. a heat radiation fan; 26. a support rod; 27. a hydraulic telescopic rod; 28. a sleeve; 29. a sliding groove; 30. a slide block; 31. a fixing ring; 32. a first fixing rod; 33. a second fixing rod; 34. a communicating pipe; 35. a one-way liquid outlet valve; 36. a one-way liquid inlet valve; 37. a liquid inlet nozzle; 38. a circular arc structure; 39. a rounded corner structure; 40. a blowing plate; 41. a ventilation valve; 42. and (3) mounting a plate.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
In order to facilitate secondary heating of plastic particles entering a die and improve production efficiency of products, as shown in fig. 1, as an embodiment of the invention, the multistage plastic sheet particle fusion forming device comprises a supporting seat 1, wherein a supporting plate 2 which is vertically arranged is arranged in the middle of the supporting seat 1, a vertically arranged mounting plate 42 is arranged between the supporting seat 1 and the supporting plate 2, one side of the mounting plate 42, which is close to the supporting plate 2, is provided with a plurality of groups of driving rods 3 which are horizontally arranged, one end of each driving rod 3 is fixedly connected with a moving plate 4, each driving rod 3 is used for driving the moving plate 4 to move, one side, which is close to the supporting plate 2, of each moving plate 4 is provided with a moving die 5, and one side, which is close to the moving die 5, of each supporting plate 2 is provided with a fixed die 6 which corresponds to the moving die 5;
the plastic extrusion device is characterized in that a plastic extrusion device is arranged on one side, away from the moving plate 4, of the supporting plate 2, the plastic extrusion device is fixedly connected with the upper surface of the supporting seat 1, the plastic extrusion device is in extrusion contact with one side of the fixed mold 6, a liquid circulation structure is arranged on the upper surface of the supporting seat 1, and the liquid circulation structure is communicated with the inside of the fixed mold 6.
When the plastic injection molding device is used, the driving rod 3 is used for driving the movable plate 4 to move when the mold is used for injection molding, the movable plate 4 is used for driving the movable mold 5 to move when the movable mold 5 moves to a certain position and then is in extrusion contact with the fixed mold 6, the plastic extrusion device is used for extruding melted plastic particles into the fixed mold 6, and the plastic extrusion device is used for heating the inside of the fixed mold 6 by virtue of the liquid circulation structure while extruding the melted plastic particles into the fixed mold 6, so that the melted plastic particles are secondarily heated;
after the injection molding of the mold is completed, the plastic extrusion device does not inject melted plastic particles into the fixed mold 6, at the moment, the fixed mold 6 is cooled by means of the liquid circulation structure, after the cooling work is completed, the movable mold 5 is pulled to move, the plastic sheet is subjected to demolding, and after the demolding is completed, the movable mold 5 is driven to move again, so that the machining work is convenient to carry out again.
In order to perform injection molding operation on the mold, as shown in fig. 1 and 2, the plastic extrusion device further includes, for example, a fixed cylinder 7 horizontally disposed, a screw rod 8 horizontally disposed is disposed inside the fixed cylinder 7, an opening 9 penetrating through the fixed cylinder 7 is disposed on a side of the support plate 2 near the fixed cylinder 7, one end of the fixed cylinder 7 near the support plate 2 is communicated with an extruder head 10, one end of the extruder head 10 penetrates through the opening 9 and corresponds to an injection hole of the fixed mold 6, and one end of the screw rod 8 far away from the extruder head 10 is fixedly connected with a telescopic extrusion structure, and the telescopic extrusion structure is used for driving the screw rod 8 to move.
When the die is used, when the die is used for injection molding, the telescopic extrusion structure is used for driving the screw rod 8 to move, so that the screw rod 8 extrudes molten plastic particles in the fixed cylinder 7, and after the screw rod 8 moves to a certain position, the molten plastic particles in the fixed cylinder 7 enter the fixed mold 6 through the extruder head 10 and the injection molding hole, so that the injection molding operation of a product is completed.
In order to facilitate heating and cooling of the fixed mold, as shown in fig. 2, 4, 5 and 6, the invention further comprises, for example, two sets of liquid inlet connectors 11 are arranged on the upper surface of the fixed mold 6, a circulation pipeline is arranged in the fixed mold 6, and two ends of the circulation pipeline are respectively communicated with the two sets of liquid inlet connectors 11;
the liquid circulation structure comprises a heating box 12 and a refrigerating box 13, wherein a first piston plate 14 is hermetically and slidingly connected inside the heating box 12, one side, close to a supporting plate 2, of the first piston plate 14 is connected with a plurality of groups of heating rods 15 which are vertically distributed, one end, far away from the first piston plate 14, of each heating rod 15 penetrates through the heating box 12 and is hermetically and slidingly connected with the heating box 12, one end of each heating rod 15 is connected with a telescopic extrusion structure, heat conducting oil 16 is arranged inside the heating box 12, the heat conducting oil 16 is positioned on one side, close to the heating rods 15, of the first piston plate 14, a first liquid outlet connector 17 is arranged on one side, close to the supporting plate 2, of the upper surface of the heating box 12, and the first liquid outlet connector 17 is communicated with the inside of the heating box 12, and the first liquid outlet connector 17 is communicated with one group of liquid inlet connectors 11 through a pipeline;
The inside of the refrigeration box 13 is hermetically and slidingly connected with a second piston plate 18, a piston rod 19 is fixedly connected to one side, far away from the supporting plate 2, of the second piston plate 18, the piston rod 19 penetrates through the refrigeration box 13 and is hermetically and slidingly connected with the refrigeration box 13, and the piston rod 19 is connected with a telescopic extrusion structure; the inside refrigeration structure that is equipped with of refrigeration case 13, the inside refrigeration oil 20 that is equipped with of refrigeration case 13, refrigeration oil 20 is located the one side that second piston plate 18 is close to piston rod 19, the upper surface of refrigeration case 13 is equipped with second liquid joint 21, second liquid joint 21 communicates with the inside of refrigeration case 13, second liquid joint 21 communicates with another group of feed liquor joint 11 through the pipeline.
When the mold is used, the heating rod 15 and the piston rod 19 are driven to synchronously move by virtue of the extension of the telescopic extrusion structure during the injection molding of the mold, and meanwhile, the screw rod 8 is driven to move by virtue of the extension of the telescopic extrusion structure;
when the heating rod 15 moves, the first piston plate 14 is driven to synchronously move, the heat conduction oil 16 in the heating box 12 is extruded by virtue of the movement of the first piston plate 14, and as the heat conduction oil 16 in the heating box 12 is not filled in the whole heating box 12, when the first piston plate 14 extrudes the heating box 12, the gas at the upper part in the heating box 12 enters into a circulation pipeline in the fixed mould 6 through the first liquid outlet joint 17 and the group of liquid inlet joints 11, and as the gas at the upper part in the heating box 12 is heated by the heat conduction oil 16, the fixed mould 6 can be preheated in advance; when the telescopic extrusion structure continues to extend, the screw rod 8 extrudes the melted plastic particles in the fixed cylinder 7 into the fixed mould 6, meanwhile, the heating rod 15 continues to drive the first piston plate 14 to move, at the moment, the heat conduction oil 16 in the heating box 12 enters a circulation pipeline in the fixed mould 6, and meanwhile, the gas in the circulation pipeline is extruded so as to be convenient for entering the refrigerating box 13, so that the temperature of the fixed mould 6 is increased, the plastic particles entering the fixed mould 6 are secondarily heated, and the melting effect of the plastic particles is improved;
When the telescopic extrusion structure is extended, the piston rod 19 is driven to move, the piston rod 19 drives the second piston plate 18 to move, the second liquid outlet joint 21 is communicated with the other group of liquid inlet joints 11 by virtue of the suction effect generated by the movement of the second piston plate 18, and when the second piston plate 18 moves, the gas in the circulating pipeline is pumped into the refrigerating box 13, and the heat conducting oil 16 can conveniently enter the circulating pipeline;
after the injection molding of the die is finished, the heating rod 15 and the piston rod 19 are driven to synchronously move and reset by virtue of the reset of the telescopic extrusion structure, and meanwhile, the screw rod 8 is driven to move and reset when the telescopic extrusion structure stretches;
when the piston rod 19 moves and resets, the gas in the refrigeration box 13 is conveyed to a circulation pipeline in the fixed mould 6 through the second liquid outlet joint 21 by the second piston plate 18, the heat conduction oil 16 in the circulation pipeline is convenient to return to the heating box 12, and the fixed mould 6 can be cooled in advance due to the fact that the gas is cooled by the refrigeration oil 20; with the continued resetting movement of the piston rod 19, the refrigerating oil 20 in the refrigerating box 13 can be conveyed into the fixed mould 6 through the second liquid outlet connector 21, and the mould after injection molding in the fixed mould 6 is rapidly cooled, so that the demoulding operation is convenient, and the production efficiency of products is improved;
When the heating rod 15 moves and resets, the first piston plate 14 is driven to move, at the moment, the first piston plate 14 and the inner wall of the heating box 12 are in sealed sliding connection to generate a suction effect, so that the first liquid outlet joint 17 is convenient for sucking the heat conduction oil 16 in the circulating pipeline back into the heating box 12, and the heat conduction oil 16 is heated again by the heating rod 15; when the refrigerating oil 20 enters the circulation pipeline, gas enters the heating box 12 for heating along with the suction of the first piston plate 14, and the subsequent preheating of the die in the fixed die 6 before the heat conducting oil 16 enters the circulation pipeline is facilitated;
when the telescopic extrusion structure drives the screw rod 8 to reset, molten plastic particles are not injected into the fixed mould 6 any more; by means of the reciprocating movement of the telescopic extrusion structure, the advanced fixed mould 6 can be preheated and secondarily heated when the mould is subjected to injection molding, the melting effect of plastic particles is improved, the fixed mould 6 can be rapidly cooled in advance along with the completion of the injection molding of the mould, and the cooling effect in the fixed mould 6 is improved along with the resetting of the telescopic extrusion structure, so that the production efficiency of a product is improved;
and in the process of moving the first piston plate 14, the larger the contact area between the heat conduction oil 16 and the heating rod 15 is, the higher the heating efficiency of the heat conduction oil 16 is, so that the effect of gradually increasing the heating efficiency of the heat conduction oil 16 in the process of sucking the circulation pipeline by the heating box 12 is realized, and the effect of gradually reducing the heating efficiency of the heat conduction oil 16 in the process of extruding the heat conduction oil 16 for discharging is realized; thereby ensuring the stability of heating of the heat transfer oil 16.
In order to ensure the refrigeration stability of the refrigeration oil 20, as shown in fig. 2, 3, 6 and 9, the invention further comprises, for example, that one end of the heating rod 15 far away from the first piston plate 14 is connected with an L-shaped connecting rod 22, and a horizontal section of the L-shaped connecting rod 22 is fixedly connected with a telescopic extrusion structure;
the refrigeration structure comprises a plurality of groups of refrigeration pipes 23 which are horizontally arranged, one ends of the refrigeration pipes 23 penetrate through the refrigeration box 13 and the second piston plate 18, the refrigeration pipes 23 are in sealed sliding connection with the second piston plate 18, one ends, far away from the refrigeration box 13, of the refrigeration pipes 23 are fixedly connected with a semiconductor refrigeration device, the semiconductor refrigeration device is fixedly connected with the outer side of the refrigeration box 13 through a supporting rod 26, one side of the semiconductor refrigeration device is connected with a radiator 24, and a radiator fan 25 is arranged on the upper portion of the radiator 24.
When in use, the telescopic extrusion structure drives the heating rod 15 and the piston rod 19 to move when being extended, and the heating rod 15 conveys the gas and the heat conducting oil 16 in the heating box 12 into the circulating pipeline when moving, so as to preheat and heat the fixed mould 6;
similarly, when the piston rod 19 moves, the refrigeration oil 20 in the fixed mould 6 is pumped back into the refrigeration box 13 again, and the refrigeration oil 20 in the refrigeration box 13 is cooled by the semiconductor refrigeration device; the heat in the refrigeration oil 20 is conveyed by virtue of the refrigeration pipe 23, and is discharged by the radiator 24 and the cooling fan 25, so that the cooling effect of the refrigeration oil 20 is improved, the subsequent rapid cooling of the die subjected to injection molding in the fixed die 6 is facilitated, and the production efficiency is improved;
And the larger the contact area between the refrigerant oil 20 and the refrigerant tube 23 is during the movement of the second piston plate 18, the higher the refrigeration efficiency of the refrigerant oil 20 is, thereby realizing the effect of gradually increasing the refrigeration efficiency of the refrigerant oil 20 during the suction of the circulation line by the refrigeration case 13 and the effect of gradually decreasing the refrigeration efficiency of the refrigerant oil 20 during the extrusion of the refrigerant oil 20 for discharge; thereby ensuring the stability of the refrigeration oil 20.
In order to facilitate the preheating or the early cooling of the fixed die 6, as shown in fig. 2, 3 and 7, the invention further comprises, for example, a telescopic extrusion structure comprising a hydraulic telescopic rod 27, wherein the output end of the hydraulic telescopic rod 27 is rotatably connected with a sleeve 28, a sliding groove 29 penetrating through the sleeve 28 is arranged on the outer side of the sleeve 28, one end of the screw rod 8 far away from the extruder head 10 is slidably connected with the sleeve 28, a sliding block 30 is arranged on the outer side of one end of the screw rod 8 near the sleeve 28, and the sliding block 30 is slidably connected with the sliding groove 29;
the output end outside fixedly connected with solid fixed ring 31 of hydraulic telescoping rod 27, gu fixed ring 31's outside fixedly connected with first dead lever 32, second dead lever 33, first dead lever 32 and the horizontal segment fixed connection of L type connecting rod 22, second dead lever 33 and piston rod 19 keep away from the one end fixed connection of second piston plate 18.
When the hydraulic telescopic rod is used, the output end of the hydraulic telescopic rod 27 stretches, the fixed ring 31 and the sleeve 28 are driven to move, when the sleeve 28 moves, the fixed ring 31 drives the L-shaped connecting rod 22 and the piston rod 19 to synchronously move by virtue of the first fixed rod 32 and the second fixed rod 33, and the L-shaped connecting rod 22 drives the first piston plate 14 to move when moving, and the gas in the heating box 12 is conveyed to the internal circulation pipeline of the fixed mould 6, so that the fixed mould 6 is preheated in advance;
when the output end of the hydraulic telescopic rod 27 continues to stretch, the sliding block 30 moves to one end of the sliding groove 29, at the moment, the sleeve 28 extrudes one end of the screw rod 8 through the sliding block 30 and drives the screw rod 8 to move, so that melted plastic particles in the fixed cylinder 7 are conveyed into the fixed mould 6 to complete injection molding operation, and meanwhile, the output end of the hydraulic telescopic rod 27 continues to stretch, heat conduction oil 16 in the heating box 12 is conveyed into a circulating pipeline to facilitate secondary heating of the melted plastic particles when the mould is injected, so that the actual use effect is improved;
when the output end of the hydraulic telescopic rod 27 is reset and moves, the sleeve 28 is driven to move, the sliding block 30 is in sliding connection with the sliding groove 29 when the sleeve 28 moves, meanwhile, the piston rod 19 is driven to move and reset through the fixed ring 31, and the gas in the refrigeration box 13 is conveyed to the circulating pipeline, so that the fixed mould 6 is cooled; when the output end of the hydraulic telescopic rod 27 continues to move and reset, the sleeve 28 and the sliding block 30 are used for driving the spiral rod 8 to move and reset, and the fixed ring 31 is used for continuously driving the piston rod 19 to move and reset, and the refrigerating oil 20 in the refrigerating box 13 is conveyed to the circulating pipeline, so that the cooling effect on the fixed mould 6 is further improved.
In order to facilitate heating the heat-conducting oil 16 and cooling the refrigerant oil 20, as shown in fig. 5, 6 and 8, the invention further includes, for example, that the lower parts of the first liquid outlet connector 17 and the second liquid outlet connector 21 are both communicated with a communicating pipe 34, two groups of communicating pipes 34 are respectively arranged in the heating tank 12 and the refrigerating tank 13, the outer sides of the upper ends of the communicating pipes 34 are both communicated with a one-way liquid outlet valve 35, the communicating pipe 34 is positioned at the lower end of the one-way liquid outlet valve 35 and is communicated with a one-way liquid inlet valve 36, the one-way liquid inlet valve 36 is positioned below the one-way liquid outlet valve 35, and the bottom of the communicating pipe 34 is provided with a liquid inlet nozzle 37.
When the heating device is used, when the first piston plate 14 extrudes the heat conduction oil 16 in the heating box 12, the heat conduction oil 16 in the heating box 12 is extruded out through the one-way liquid outlet valve 35, and the heat conduction oil 16 is conveyed into the circulating pipeline through the first liquid outlet joint 17, so that the die is heated; when the first piston plate 14 is reset and moves, the first piston plate 14 moves to generate a suction effect, at the moment, the heat conduction oil 16 in the circulating pipeline enters the liquid inlet nozzle 37 through the communicating pipe 34 and the one-way liquid inlet valve 36, the heat conduction oil 16 is sprayed to the bottom of the heating box 12 by virtue of the liquid inlet nozzle 37, impact force is generated when the heat conduction oil 16 is sprayed, so that the heat conduction oil 16 is driven to move circularly, the heat conduction oil 16 in the heating box 12 can be better contacted with the heating rod 15, and the heating effect of the heat conduction oil 16 is improved;
Similarly, when the second piston plate 18 extrudes the refrigerant oil 20 in the refrigeration box 13, the refrigerant oil 20 in the refrigeration box 13 is extruded out through the one-way liquid outlet valve 35, and the refrigerant oil 20 is conveyed into the circulation pipeline through the second liquid outlet joint 21, so that the mold is cooled; when the second piston plate 18 is reset and moves, the second piston plate 18 moves to generate a suction effect, at this time, the refrigerant oil 20 in the circulating pipeline enters the liquid inlet nozzle 37 through the communicating pipe 34 and the one-way liquid inlet valve 36, the refrigerant oil 20 is sprayed to the bottom of the refrigeration box 13 by virtue of the liquid inlet nozzle 37, and an impact force is generated when the refrigerant oil 20 is sprayed, so that the refrigerant oil 20 is driven to move circularly, the refrigerant oil 20 in the refrigeration box 13 can better contact with the refrigeration pipe 23, the heat dissipation effect of the refrigerant oil 20 is improved, and the heat conduction oil 16 is conveniently heated and the refrigerant oil 20 is conveniently cooled.
In order to further improve the heating effect of the heat transfer oil 16 and the cooling effect of the refrigerant oil 20, as shown in fig. 5, 6 and 10, the present invention further includes, for example, that the peripheral edges of the first piston plate 14 and the second piston plate 18 are both located in the circular arc structure 38, and the edges of the inner walls of the heating tank 12 and the refrigerating tank 13 are both provided with a rounded corner structure 39 matched with the circular arc structure 38.
When the heat conduction oil 16 and the refrigeration oil 20 are sprayed out through the liquid inlet nozzle 37 in use, the heat conduction oil 16 and the refrigeration oil 20 can be better moved in the heating box 12 and the refrigeration box 13 by virtue of the round corner structure 39 on the inner walls of the heating box 12 and the refrigeration box 13, so that the heating effect of the heat conduction oil 16 and the cooling effect of the refrigeration oil 20 are improved;
by providing the edges of the first piston plate 14 and the second piston plate 18 with the circular arc structure 38, the sealing performance in the sealing sliding connection with the heating tank 12 and the refrigerating tank 13 can be improved.
As shown in fig. 5, 6 and 9, the invention further comprises that a blowing plate 40 is installed on one side of the radiator 24, and the blowing plate 40 is communicated with one side of the refrigeration box 13 away from the piston rod 19 through a pipeline; the heating chamber 12 starts with a ventilation valve 41 at the side remote from the heating rod 15.
When the air conditioner is used, during the resetting movement of the first piston plate 14, air on one side, far away from the heating rod 15, of the first piston plate 14 in the heating box 12 is discharged through the air permeable valve 41, so that the stability of the first piston plate 14 during the resetting movement is improved;
when the second piston plate 18 moves and resets, the second piston plate 18 in the refrigeration box 13 extrudes one side close to the radiator 24, at this time, the gas on one side, far away from the refrigeration oil 20, of the second piston plate 18 in the refrigeration box 13 is discharged through the pipeline, and the gas is input to the blowing plate 40, so that the radiator 24 is further cooled, and the cooling effect of the refrigeration oil 20 is improved.
When the invention is used, during injection molding of a die, the output end of the hydraulic telescopic rod 27 is stretched to drive the fixed ring 31 and the sleeve 28 to move, and when the sleeve 28 moves, the fixed ring 31 drives the L-shaped connecting rod 22 and the piston rod 19 to synchronously move by virtue of the first fixed rod 32 and the second fixed rod 33;
the L-shaped connecting rod 22 drives the heating rod 15 to move when moving, the heating rod 15 drives the first piston plate 14 to synchronously move, the heat conduction oil 16 in the heating box 12 is extruded by virtue of the movement of the first piston plate 14, the whole heating box 12 is not fully filled with the heat conduction oil 16 in the heating box 12, when the heating box 12 is extruded by the first piston plate 14, gas at the upper part in the heating box 12 enters a circulation pipeline in the fixed mould 6 through the first liquid outlet joint 17 and the group of liquid inlet joints 11, and the fixed mould 6 can be preheated in advance due to the fact that the gas at the upper part in the heating box 12 is heated by the heat conduction oil 16;
when the output end of the hydraulic telescopic rod 27 continues to extend, the screw rod 8 extrudes melted plastic particles in the fixed cylinder 7 into the fixed mould 6, meanwhile, the heating rod 15 continues to drive the first piston plate 14 to move, at the moment, the heat conduction oil 16 in the heating box 12 enters a circulation pipeline in the fixed mould 6, and meanwhile, gas in the circulation pipeline is extruded to be convenient for entering the refrigerating box 13, so that the temperature of the fixed mould 6 is increased, the plastic particles entering the fixed mould 6 are secondarily heated, and the melting effect of the plastic particles is improved;
Likewise, when the output end of the hydraulic telescopic rod 27 extends, the piston rod 19 is driven to move, when the piston rod 19 moves, the second piston plate 18 is driven to move, a suction effect is generated by virtue of the movement of the second piston plate 18, and when the second piston plate 18 moves, gas in a circulation pipeline is pumped into the refrigeration box 13 through the communication of the second liquid outlet connector 21 and the other group of liquid inlet connectors 11, and the heat conduction oil 16 can conveniently enter the circulation pipeline;
after the injection molding of the mold is finished, when the output end of the hydraulic telescopic rod 27 is reset and moved, the sleeve 28 is driven to move, the sliding block 30 is in sliding connection with the sliding groove 29 when the sleeve 28 moves, meanwhile, the piston rod 19 is driven to move and reset through the fixed ring 31, when the piston rod 19 moves and resets, the gas in the refrigeration box 13 is conveyed to a circulation pipeline in the fixed mold 6 through the second liquid outlet joint 21 through the second piston plate 18, the heat conduction oil 16 in the circulation pipeline is convenient to return to the heating box 12, and the fixed mold 6 can be cooled in advance due to the fact that the refrigerant oil 20 cools the gas;
with the continued resetting movement of the piston rod 19, the refrigerating oil 20 in the refrigerating box 13 can be conveyed into the fixed mould 6 through the second liquid outlet connector 21, and the mould after injection molding in the fixed mould 6 is rapidly cooled, so that the demoulding operation is convenient, and the production efficiency of products is improved;
Similarly, when the heating rod 15 moves and resets, the first piston plate 14 is driven to move, at this time, a suction effect is generated when the first piston plate 14 is in sealed sliding connection with the inner wall of the heating box 12, so that the first liquid outlet joint 17 is convenient for sucking the heat conduction oil 16 in the circulating pipeline back into the heating box 12, and the heat conduction oil 16 is heated again by the heating rod 15; when the refrigerant oil 20 enters the circulation line, the air enters the heating box 12 for heating along with the suction of the first piston plate 14, and the preheating of the die in the fixed die 6 is facilitated before the subsequent heat transfer oil 16 enters the circulation line.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the foregoing examples, and that the foregoing description and description are merely illustrative of the principles of this invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a multistage fusion forming device of plastic sheet granule, includes supporting seat (1), the middle part of supporting seat (1) is equipped with backup pad (2) of vertical setting, be equipped with mounting panel (42) of vertical setting between supporting seat (1) and backup pad (2), one side that mounting panel (42) is close to backup pad (2) is equipped with actuating lever (3) of a plurality of groups level setting, one end fixedly connected with movable plate (4) of actuating lever (3), actuating lever (3) are used for driving movable plate (4) and move, one side that movable plate (4) is close to backup pad (2) is equipped with movable mould (5), one side that backup pad (2) is close to movable mould (5) is equipped with fixed mould (6) corresponding with movable mould (5);
The device is characterized in that a plastic extrusion device is arranged on one side, away from the moving plate (4), of the supporting plate (2), the plastic extrusion device is fixedly connected with the upper surface of the supporting seat (1), the plastic extrusion device is in extrusion contact with one side of the fixed mold (6), a liquid circulation structure is arranged on the upper surface of the supporting seat (1), and the liquid circulation structure is communicated with the inside of the fixed mold (6);
the plastic extrusion device comprises a fixed cylinder (7) which is horizontally arranged, a screw rod (8) which is horizontally arranged is arranged in the fixed cylinder (7), an opening (9) which is penetrated and arranged is arranged on one side, close to the fixed cylinder (7), of the supporting plate (2), one end, close to the supporting plate (2), of the fixed cylinder (7) is communicated with an extruder head (10), one end of the extruder head (10) penetrates through the opening (9) and corresponds to an injection molding hole of the fixed mold (6), one end, far away from the extruder head (10), of the screw rod (8) is fixedly connected with a telescopic extrusion structure, and the telescopic extrusion structure is used for driving the screw rod (8) to move;
the upper surface of the fixed mould (6) is provided with two groups of liquid inlet connectors (11), a circulation pipeline is arranged in the fixed mould (6), and two ends of the circulation pipeline are respectively communicated with the two groups of liquid inlet connectors (11);
the liquid circulation structure comprises a heating box (12) and a refrigerating box (13), wherein a first piston plate (14) is connected in a sealing sliding manner in the heating box (12), one side, close to a supporting plate (2), of the first piston plate (14) is connected with a plurality of groups of heating rods (15) which are distributed up and down, one end, far away from the first piston plate (14), of each heating rod (15) penetrates through the heating box (12) and is connected with the heating box (12) in a sealing sliding manner, one end of each heating rod (15) is connected with a telescopic extrusion structure, heat conducting oil (16) is arranged in the heating box (12), the heat conducting oil (16) is located on one side, close to the heating rods (15), of the first piston plate (14), one side, close to the supporting plate (2), of the upper surface of each heating box (12) is provided with a first liquid outlet joint (17), and the first liquid outlet joint (17) is communicated with the inside of the heating box (12) through a pipeline, and the first liquid outlet joint (17) is communicated with a group of liquid inlet joints (11);
The inside of the refrigeration box (13) is hermetically and slidingly connected with a second piston plate (18), one side, far away from the supporting plate (2), of the second piston plate (18) is fixedly connected with a piston rod (19), the piston rod (19) penetrates through the refrigeration box (13) and is hermetically and slidingly connected with the refrigeration box (13), and the piston rod (19) is connected with a telescopic extrusion structure; a refrigerating structure is arranged in the refrigerating box (13), refrigerating oil (20) is arranged in the refrigerating box (13), the refrigerating oil (20) is positioned on one side, close to the piston rod (19), of the second piston plate (18), a second liquid outlet connector (21) is arranged on the upper surface of the refrigerating box (13), the second liquid outlet connector (21) is communicated with the inside of the refrigerating box (13), and the second liquid outlet connector (21) is communicated with the other group of liquid inlet connectors (11) through pipelines;
one end of the heating rod (15) far away from the first piston plate (14) is connected with an L-shaped connecting rod (22), and the horizontal section of the L-shaped connecting rod (22) is fixedly connected with the telescopic extrusion structure;
the refrigeration structure comprises a plurality of groups of horizontally arranged refrigeration pipes (23), one ends of the refrigeration pipes (23) penetrate through the refrigeration box (13) and the second piston plate (18), the refrigeration pipes (23) are in sealed sliding connection with the second piston plate (18), one ends, far away from the refrigeration box (13), of the refrigeration pipes (23) are fixedly connected with a semiconductor refrigeration device, the semiconductor refrigeration device is fixedly connected with the outer side of the refrigeration box (13) through a supporting rod (26), one side of the semiconductor refrigeration device is connected with a radiator (24), and the upper part of the radiator (24) is provided with a cooling fan (25);
The telescopic extrusion structure comprises a hydraulic telescopic rod (27), wherein the output end of the hydraulic telescopic rod (27) is rotationally connected with a sleeve (28), a sliding groove (29) which is arranged in a penetrating manner is formed in the outer side of the sleeve (28), one end, far away from an extruder head (10), of a screw rod (8) is in sliding connection with the sleeve (28), a sliding block (30) is arranged in the outer side of one end, close to the sleeve (28), of the screw rod (8), and the sliding block (30) is in sliding connection with the sliding groove (29);
the hydraulic telescopic rod is characterized in that a fixing ring (31) is fixedly connected to the outer side of the output end of the hydraulic telescopic rod (27), a first fixing rod (32) and a second fixing rod (33) are fixedly connected to the outer side of the fixing ring (31), the first fixing rod (32) is fixedly connected with the horizontal section of the L-shaped connecting rod (22), and the second fixing rod (33) is fixedly connected with one end, far away from the second piston plate (18), of the piston rod (19).
2. The multi-stage plastic sheet particle fusion forming device according to claim 1, wherein the lower parts of the first liquid outlet connector (17) and the second liquid outlet connector (21) are respectively communicated with a communicating pipe (34), the two groups of communicating pipes (34) are respectively arranged in the heating tank (12) and the refrigerating tank (13), the outer sides of the upper ends of the communicating pipes (34) are respectively communicated with a one-way liquid outlet valve (35), the communicating pipes (34) are positioned at the lower ends of the one-way liquid outlet valves (35) and are communicated with one-way liquid inlet valves (36), the one-way liquid inlet valves (36) are positioned below the one-way liquid outlet valves (35), and the bottoms of the communicating pipes (34) are provided with liquid inlet nozzles (37).
3. The multi-stage plastic sheet particle fusion forming device according to claim 1, wherein the peripheral edges of the first piston plate (14) and the second piston plate (18) are both positioned in an arc structure (38), and the inner wall edges of the heating box (12) and the cooling box (13) are both provided with a round corner structure (39) matched with the arc structure (38).
4. The multi-stage plastic sheet particle fusion forming device according to claim 1, wherein a blowing plate (40) is arranged on one side of the radiator (24), and the blowing plate (40) is communicated with one side of the refrigerating box (13) far away from the piston rod (19) through a pipeline; the side of the heating box (12) far away from the heating rod (15) is provided with a ventilation valve (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311312740.4A CN117162399B (en) | 2023-10-10 | 2023-10-10 | Multistage fusion forming device of plastic sheet granule |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311312740.4A CN117162399B (en) | 2023-10-10 | 2023-10-10 | Multistage fusion forming device of plastic sheet granule |
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| CN117162399A CN117162399A (en) | 2023-12-05 |
| CN117162399B true CN117162399B (en) | 2024-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311312740.4A Active CN117162399B (en) | 2023-10-10 | 2023-10-10 | Multistage fusion forming device of plastic sheet granule |
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| JP2006213041A (en) * | 2005-02-07 | 2006-08-17 | Shisuko:Kk | Heating-cooling system of mold and mold apparatus for hollow injection molded product |
| KR20110027975A (en) * | 2009-09-11 | 2011-03-17 | 주식회사 에스제이테크 | The piston injection die casting catapulting transformation system of including long nozzle-unit |
| CN112622216A (en) * | 2020-12-03 | 2021-04-09 | 青岛三和机电部件有限公司 | Washing machine plastic part injection mold with good self-radiating effect |
| CN116619714A (en) * | 2023-06-29 | 2023-08-22 | 海南筝霏鑫机械设备有限公司 | Plastic master batch extruder |
| CN116690909A (en) * | 2023-07-25 | 2023-09-05 | 海南筝霏鑫机械设备有限公司 | Injection mold with circulation cooling structure |
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2023
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006213041A (en) * | 2005-02-07 | 2006-08-17 | Shisuko:Kk | Heating-cooling system of mold and mold apparatus for hollow injection molded product |
| KR20110027975A (en) * | 2009-09-11 | 2011-03-17 | 주식회사 에스제이테크 | The piston injection die casting catapulting transformation system of including long nozzle-unit |
| CN112622216A (en) * | 2020-12-03 | 2021-04-09 | 青岛三和机电部件有限公司 | Washing machine plastic part injection mold with good self-radiating effect |
| CN116619714A (en) * | 2023-06-29 | 2023-08-22 | 海南筝霏鑫机械设备有限公司 | Plastic master batch extruder |
| CN116690909A (en) * | 2023-07-25 | 2023-09-05 | 海南筝霏鑫机械设备有限公司 | Injection mold with circulation cooling structure |
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| CN117162399A (en) | 2023-12-05 |
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