CN117817935A - Plastic part rapid forming machine - Google Patents
Plastic part rapid forming machine Download PDFInfo
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- CN117817935A CN117817935A CN202410252540.2A CN202410252540A CN117817935A CN 117817935 A CN117817935 A CN 117817935A CN 202410252540 A CN202410252540 A CN 202410252540A CN 117817935 A CN117817935 A CN 117817935A
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- die
- plastic part
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- 239000004033 plastic Substances 0.000 title claims abstract description 87
- 229920003023 plastic Polymers 0.000 title claims abstract description 87
- 238000001816 cooling Methods 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 16
- 239000002994 raw material Substances 0.000 claims abstract description 10
- 238000001125 extrusion Methods 0.000 claims abstract description 9
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 238000005057 refrigeration Methods 0.000 claims description 41
- 238000000465 moulding Methods 0.000 abstract description 21
- 230000008569 process Effects 0.000 abstract description 12
- 239000002991 molded plastic Substances 0.000 abstract description 10
- 238000010137 moulding (plastic) Methods 0.000 abstract description 7
- 230000009471 action Effects 0.000 abstract description 6
- 238000007493 shaping process Methods 0.000 description 14
- 230000005540 biological transmission Effects 0.000 description 7
- 238000004804 winding Methods 0.000 description 7
- 239000007788 liquid Substances 0.000 description 5
- 238000001746 injection moulding Methods 0.000 description 4
- 239000002826 coolant Substances 0.000 description 3
- 239000000110 cooling liquid Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- 238000005187 foaming Methods 0.000 description 3
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010097 foam moulding Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000003490 calendering Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention belongs to the technical field of plastic product forming, in particular to a plastic part rapid forming machine, which comprises a frame and a raw material extrusion mechanism arranged on the surface of the frame, wherein a rapid die opening assembly is arranged in the frame, and the rapid die opening assembly comprises die holders symmetrically arranged in the frame; the plastic part cooling device has the advantages that the cooling time length of the plastic part between the model top plate and the two model top plates can be increased, the plastic part can be timely cooled and molded, the plastic part can be prevented from being adhered to the surface of the die holder, the plastic part is conveniently matched with the top plates to realize automatic demolding, the molding efficiency and the molding product quality of the plastic molding machine are improved, the molded plastic part is exposed, the mold opening action is conveniently completed, the molded plastic part between the two model top plates is conveniently pushed, the molded plastic part can be smoothly and rapidly ejected, and braking blanking is realized, so that the molding process of the plastic part is conveniently improved.
Description
Technical Field
The invention belongs to the technical field of plastic product molding, and particularly relates to a rapid plastic part molding machine.
Background
The plastic molding machine is a molding machine used for foam molding, and when a foam is produced, the types of resin, the types of foam and the foaming modes used are different and various, and accordingly, the foam molding machine has various types and is generally classified into continuous foaming machines such as extrusion, calendaring and casting, and discontinuous foaming machines such as injection, integral molding and foam board vacuum molding;
the existing plastic molding machine demoulding device needs a telescopic rod to drive two moulds to move towards opposite directions after injection molding of plastic, the plastic molding process is not completed to be separated from the moulds for saving time, and the plastic mold has the external adhesion equipment on the surface and cannot be automatically demoulded, so that the molding efficiency of the plastic molding machine and the quality of molded products are affected, and the rapid molding of plastic parts is not facilitated.
In order to solve the above problems, a rapid molding machine for plastic parts is provided in the present application.
Disclosure of Invention
To solve the problems set forth in the background art. The invention provides a rapid plastic part forming machine, which can prolong the cooling time of a molded top plate and a plastic part between two molded top plates, is convenient for cooling and forming the plastic part in time, avoids plastic from being adhered to the surface of a die holder, is convenient for matching with the top plate to automatically demould, improves the forming efficiency and the forming product quality of the plastic part, is beneficial to the rapid forming of the plastic part, can push the two die holders to move to two sides on the surface of a frame, exposes the formed plastic part so as to conveniently finish the action of die opening, and is convenient for pushing the formed plastic part between the two molded top plates so as to smoothly and rapidly push the formed plastic part out, thereby realizing braking blanking and facilitating the improvement of the forming process of the plastic part.
In order to achieve the above purpose, the present invention provides the following technical solutions: a plastic part rapid forming machine comprises a frame and a raw material extrusion mechanism arranged on the surface of the frame;
the quick die opening assembly comprises die holders symmetrically arranged in the frame, wedge-shaped blocks fixedly arranged on the bottom surfaces of the die holders, and U-shaped fixing frames, hydraulic rods and top frames which are arranged in the frame and used for controlling the die opening and closing of the two die holders;
the quick demoulding assembly comprises a fixed sliding seat fixed in the frame, a T-shaped ejector rod in the fixed sliding seat in a sliding manner, a second spring for controlling the T-shaped ejector rod to eject a plastic piece, a fixed sliding rod and a top plate;
install quick cooling module in the frame, quick cooling module is including installing the refrigeration case in the frame and install the immersible pump in the refrigeration case and set up in the die holder be used for cooling down the refrigerated refrigeration cycle pipeline of plastics shaping fast.
As the plastic part rapid forming machine, the invention is preferable, the bottom surface of the inside of the frame is fixedly provided with the U-shaped fixing frame, the surface of the U-shaped fixing frame is fixedly provided with the hydraulic rod, the piston end of the hydraulic rod is fixedly provided with the top frame, and the wedge-shaped block is connected on the surface of the top frame in a sliding way.
As the preferable mode of the rapid plastic part forming machine, the surface of the die holder is integrally formed with the fixed guide block, the surface of the fixed guide block is connected with the T-shaped slide rod in a sliding manner, one end of the T-shaped slide rod is fixedly connected in the frame, and the outer side of the T-shaped slide rod is sleeved with the first spring.
As the plastic part rapid forming machine is preferable, the surface of the die holder is connected with the fixed support plate in a sliding way, one end of the fixed support plate is fixedly connected in the frame, and the other end of the fixed support plate is connected with the die top plate which is connected in the die holder in a sliding way.
As the preferable choice of the plastic part rapid forming machine, a fixed slide bar is connected in a sliding way on the T-shaped ejector rod, one end of the fixed slide bar is fixed in the fixed slide seat, a spring II is sleeved on the outer side of the fixed slide bar, and the other end of the T-shaped ejector rod is fixedly connected with a top plate.
As the preferable choice of the rapid plastic part forming machine, a winding roller is arranged in a frame, a first rotating frame is fixedly arranged in the frame, a guide wheel is connected in the first rotating frame in a rotating way, a pull rope is wound on the surface of the winding roller, one end of the pull rope is wound on the guide wheel, and the pull rope is connected with one end of a T-shaped ejector rod.
As the plastic part rapid forming machine, the surface of the wind-up roller is preferably provided with the transmission rod, one end of the transmission rod is rotatably connected in the frame, the other end of the transmission rod is fixedly provided with the first gear, the surface of the first gear is meshed with the toothed plate, the toothed plate is fixedly arranged on the surface of the die holder, the outer side of the transmission rod is rotatably connected with the limiting frame, and the limiting frame is fixedly arranged in the frame.
As the rapid plastic part forming machine, one end of a refrigeration cycle pipeline penetrates through a die holder and a refrigeration box in sequence and is connected with the output end of a submersible pump, the other end of the refrigeration cycle pipeline penetrates through the die holder and the refrigeration box in sequence and extends into the refrigeration box, and the refrigeration cycle pipeline is embedded in a snake-shaped groove formed in the surface of a top plate of a die.
As the preferred choice of the plastic part rapid forming machine, a second rotating frame is fixed in the frame, a second gear is connected in a rotating way to the second rotating frame, a first rack and a second rack are meshed on the surface of the second gear, one end of the first rack is connected with a die holder, one end of the second rack penetrates through the die holder and is connected with a piston plate in the die holder in a sliding way, a one-way air inlet pipe is communicated with the surface of the die holder, and one end of the one-way air inlet pipe is communicated with a refrigerating box.
As the preferable mode of the rapid plastic part forming machine, the surface of the second rack is connected with the fixed guide rod in a sliding way, one end of the fixed guide rod is fixed in the frame, the surface of the second rack is fixedly provided with the L-shaped connecting top plate, one end of the L-shaped connecting top plate penetrates through the die holder and is connected with the piston plate, the surface of the inner partition plate of the die holder is provided with the one-way air inlet hole, and the surface of the die holder is provided with the plurality of air exhaust holes.
Compared with the prior art, the invention has the beneficial effects that: the invention has scientific and reasonable structure and safe and convenient use:
1. through setting up quick mould opening assembly, through the cooperation of the U-shaped mount that sets up, roof rack, die holder, model roof and wedge isotructure to in being convenient for squeeze into the die holder with molten liquid plastics from the injection molding pipe, liquid plastics can solidify cooling shaping gradually, after the working of plastics in the die holder cools down the shaping, control the extension of hydraulic stem piston end, make the roof rack that is connected with hydraulic stem piston end move up, and make the roof rack slide on the surface of wedge, can promote two die holders to both sides at the surface of frame simultaneously and remove, expose the working of plastics after the shaping, in order to accomplish the action of opening the mould;
the T-shaped slide bar, the fixed guide block and the first spring are arranged in a matched mode, so that when the two die holders move to two sides on the surface of the frame in the die opening process, the die holders can slide on the surface of the T-shaped slide bar through the fixed guide block to conduct moving guiding, stability of the die holders in the die opening process is guaranteed, meanwhile, the hydraulic rod is contracted in the die closing process, and the first spring is arranged in a matched mode, so that the two die holders can be matched with each other quickly after a molded plastic piece is taken out;
the fixed extension board that the cooperation set up and the setting of model roof to when the die sinking, when moving to both sides in two die holders, the model roof is in relative static state, and conveniently makes the working of plastics after the shaping expose completely, and the convenience is follow-up to the drawing of patterns operation of the working of plastics after the shaping, makes things convenient for the shaping of working of plastics.
2. Through setting up quick drawing of patterns subassembly, through the cooperation of the fixed slide that sets up, the wind-up roll, spring two, gear one, pinion rack and stay cord isotructure is used, so that when moving the die sinking to both sides in two die holders, can promote the transfer line of meshing at pinion rack surface one and rotate along with the wind-up roll, make the stay cord that encircles at the wind-up roll surface be released, at this moment, T shape ejector pin can slide to one side at fixed slide under spring two's elasticity operation, and top the roof of moving T shape ejector pin one end installation slides to the one side that is close to the die holder, and push away the working of plastics after being in the shaping between two model roof, in order to be convenient for can be smooth and quick with the working of plastics after the shaping ejecting, realize braking unloading, in order to improve the shaping process of working of plastics.
3. Through setting up the rapid cooling assembly, through the cooperation of structures such as refrigeration case, refrigeration cycle pipeline, piston board that set up to in using, pour into the coolant into the refrigeration case, and start the refrigerating plant of refrigeration case, refrigerate its inside coolant, and start the immersible pump and take out the coolant, and cool down the cooling to the plastic part between model roof and two model roof through the refrigeration cycle pipeline that the snakelike set up;
the refrigeration cycle pipeline with the snakelike arrangement can increase the cooling time of the plastic piece between the model top plate and the two model top plates, so that the plastic piece can be conveniently and timely cooled and molded, the plastic can be prevented from being adhered to the surface of the die holder, the top plate can be conveniently matched for automatic demolding, the molding efficiency and the molding product quality of the plastic molding machine are improved, and the rapid molding of the plastic piece is facilitated;
meanwhile, in the process of die sinking, the first rack connected to one side of the die holder can follow the moving roller, and the second rack is enabled to move reversely under the action of the second gear to push the piston plate which is in sliding connection in the cavity of the die holder to move to one side, cold air which enters into the cavity of the die holder through the one-way air inlet pipe is extruded, so that gas is blown out to one side of the die top plate through the one-way air inlet hole, the die top plate is cooled, and the effect of cooling the die top plate and plastic parts between the two die top plates is improved by utilizing the effect of improving the cooling speed of the die top plate so as to improve the molding speed.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the internal part of the frame of the present invention;
FIG. 3 is a schematic view of the structure of the die holder, the fixing guide block and the L-shaped top plate of the present invention;
FIG. 4 is a schematic view of the structure of the spring I, the die holder and the U-shaped fixing frame in the invention;
FIG. 5 is a schematic view of a fixed slide, die holder, top plate and gear I according to the present invention;
FIG. 6 is a schematic view of the structure of the top plate, piston plate and stationary support plate of the present invention;
FIG. 7 is a schematic view of the structure of the wedge block, top frame and hydraulic rod of the present invention;
FIG. 8 is a schematic view of the structure of the stationary platen, the die holder, the piston plate and the second gear of the present invention;
FIG. 9 is a schematic view of the construction of the refrigeration cycle conduit, rack one and spring one of the present invention;
FIG. 10 is a schematic view of the structure of a top plate of the mold and a refrigeration cycle pipe according to the present invention;
FIG. 11 is a schematic view of a limit stop, a toothed plate, a guide wheel and a pull rope according to the present invention;
fig. 12 is a schematic view showing the structure of a unidirectional air intake pipe and a refrigeration cycle pipe in the present invention;
FIG. 13 is a schematic view of the structure of the vent hole, the die holder and the guide air inlet hole in the invention;
FIG. 14 is a schematic view of the piston plate, die holder and L-shaped connecting top plate of the present invention;
in the figure:
1. a frame; 11. a raw material extrusion mechanism; 2. a rapid mold opening assembly; 21. a U-shaped fixing frame; 22. a hydraulic rod; 23. a top frame; 24. a die holder; 25. fixing the guide block; 26. a T-shaped slide bar; 27. a first spring; 28. fixing the support plate; 29. a model top plate; 210. wedge blocks; 3. a rapid demolding assembly; 31. fixing the sliding seat; 32. a rotating frame I; 33. a wind-up roll; 34. a guide wheel; 35. a second spring; 36. a transmission rod; 37. a first gear; 38. a toothed plate; 39. fixing the slide bar; 310. a limiting frame; 311. t-shaped ejector rod; 312. a top plate; 313. a pull rope; 4. a rapid cooling assembly; 41. a refrigeration box; 42. submersible pump; 43. a refrigeration cycle pipe; 44. a one-way air inlet pipe; 45. a piston plate; 46. a first rack; 47. a second rotating frame; 48. a second gear; 49. a second rack; 410. fixing a guide rod; 411. an L-shaped connecting top plate; 412. a unidirectional air inlet; 413. and an exhaust hole.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples: as shown in fig. 1 to 14, the invention provides a technical scheme, namely a plastic part rapid forming machine, which comprises a frame 1 and a raw material extrusion mechanism 11 arranged on the surface of the frame 1;
the quick mould opening assembly 2 is arranged in the frame 1, and the quick mould opening assembly 2 comprises a U-shaped fixing frame 21, a hydraulic rod 22, a top frame 23, a mould base 24, a fixed guide block 25, a T-shaped slide bar 26, a first spring 27, a fixed support plate 28, a mould top plate 29 and a wedge block 210;
the die holder 24 is symmetrically arranged in the frame 1, the wedge-shaped block 210 is fixedly arranged on the bottom surface of the die holder 24, the U-shaped fixing frame 21 is fixedly arranged on the bottom surface of the interior of the frame 1, the hydraulic rod 22 is fixedly arranged on the surface of the U-shaped fixing frame 21, the top frame 23 is fixedly arranged at the piston end of the hydraulic rod 22, and the wedge-shaped block 210 is slidably connected on the surface of the top frame 23.
The surface integrated into one piece of die holder 24 has fixed guide block 25, the surface sliding connection of fixed guide block 25 has T shape slide bar 26, the one end fixed connection of T shape slide bar 26 is in frame 1, and the outside cover of T shape slide bar 26 is equipped with spring one 27, so that when the in-process of opening the mould, when two die holders 24 move to both sides at the surface of frame 1, the die holder 24 can slide at the surface of T shape slide bar 26 through fixed guide block 25, move the direction, the stationarity of die holder 24 in the in-process of opening the mould has been guaranteed, simultaneously, hydraulic rod 22 shrink at the in-process of compound mould, and two die holders 24 can be fast the compound mould after taking out the working of plastics of shaping is convenient to cooperate spring one 27.
The surface sliding connection of die holder 24 has fixed extension board 28, and the one end fixed connection of fixed extension board 28 is in frame 1, and the other end of fixed extension board 28 is connected with the model roof 29 of sliding connection in die holder 24 to when the die sinking, when moving to both sides in two die holders 24, model roof 29 is in the state of relative rest, and conveniently makes the working of plastics after the shaping expose completely, makes things convenient for follow-up drawing of patterns operation to the working of plastics after the shaping, makes things convenient for the shaping of working of plastics.
The quick demoulding assembly 3 is arranged in the frame 1, and the quick demoulding assembly 3 comprises a fixed sliding seat 31, a first rotating frame 32, a wind-up roll 33, a guide wheel 34, a second spring 35, a transmission rod 36, a first gear 37, a toothed plate 38, a fixed sliding rod 39, a limiting frame 310, a T-shaped ejector rod 311, a top plate 312 and a pull rope 313;
the frame 1 is internally fixed with a fixed slide seat 31, a T-shaped ejector rod 311 is slidably connected in the fixed slide seat 31, a fixed slide rod 39 is slidably connected in the T-shaped ejector rod 311, one end of the fixed slide rod 39 is fixed in the fixed slide seat 31, a second spring 35 is sleeved outside the fixed slide rod 39, and a top plate 312 is fixedly connected with the other end of the T-shaped ejector rod 311.
A winding roller 33 is arranged in the frame 1, a rotating frame I32 is fixedly arranged in the frame 1, a guide wheel 34 is connected in the rotating frame I32 in a rotating mode, a pull rope 313 is wound on the surface of the winding roller 33, one end of the pull rope 313 bypasses the guide wheel 34 and is connected with one end of a T-shaped ejector rod 311.
The surface of wind-up roll 33 is fixed with transfer line 36, and the one end of transfer line 36 rotates to be connected in frame 1, and the other end of transfer line 36 is fixed with gear one 37, and the surface engagement of gear one 37 has pinion rack 38, and pinion rack 38 fixed mounting is at the surface of die holder 24, and the outside of transfer line 36 rotates to be connected with spacing 310, and spacing 310 fixed mounting is in frame 1.
The quick cooling assembly 4 is arranged in the rack 1, and the quick cooling assembly 4 comprises a refrigeration box 41, a submersible pump 42, a refrigeration circulation pipeline 43, a one-way air inlet pipe 44, a piston plate 45, a first rack 46, a second rotating rack 47, a second gear 48, a second rack 49, a fixed guide rod 410, an L-shaped connecting top plate 411, a one-way air inlet hole 412 and an air outlet hole 413;
the frame 1 is internally provided with a refrigeration box 41, the refrigeration box 41 is internally provided with a submersible pump 42, the die holder 24 is internally provided with a refrigeration cycle pipeline 43, one end of the refrigeration cycle pipeline 43 sequentially penetrates through the die holder 24 and the refrigeration box 41 and is connected with the output end of the submersible pump 42, the other end of the refrigeration cycle pipeline 43 sequentially penetrates through the die holder 24 and the refrigeration box 41 and extends into the refrigeration box 41, and the refrigeration cycle pipeline 43 is embedded in a snake-shaped groove formed in the surface of the die top plate 29.
A second rotating frame 47 is fixed in the frame 1, a second gear 48 is rotationally connected to the second rotating frame 47, a first rack 46 and a second rack 49 are meshed with the surface of the second gear 48, one end of the first rack 46 is connected with the die holder 24, one end of the second rack 49 penetrates through the die holder 24 and is connected with a piston plate 45 which is slidingly connected in the die holder 24, a unidirectional air inlet pipe 44 is communicated with the surface of the die holder 24, and one end of the unidirectional air inlet pipe 44 is communicated with the refrigerating box 41.
The surface sliding connection of rack two 49 has fixed guide bar 410, and fixed guide bar 410's one end is fixed in frame 1, and rack two 49's surface is fixed with L shape and connects roof 411, and the one end of L shape connection roof 411 runs through die holder 24 to be connected with piston plate 45, and the one-way inlet port 412 has been seted up on the surface of the inside baffle of die holder 24, and a plurality of exhaust holes 413 have been seted up on the surface of die holder 24.
The working principle and the using flow of the invention are as follows: when the plastic injection molding machine is used, solid plastic raw materials are poured into a hopper in a raw material extrusion mechanism 11, the raw material extrusion mechanism 11 is powered on, a heating module in the raw material extrusion mechanism 11 works normally, so that the solid plastic raw materials are melted into liquid plastic, the melted liquid plastic is extruded into a die holder 24 from an injection molding pipe, the liquid plastic is gradually solidified and cooled to be molded, after a plastic part in the die holder 24 is cooled and molded, the extension of the piston end of a hydraulic rod 22 is controlled, so that a top frame 23 connected with the piston end of the hydraulic rod 22 moves upwards, the top frame 23 slides on the surface of a wedge block 210, and meanwhile, the two die holders 24 can be pushed to move to two sides on the surface of the frame 1, so that the molded plastic part is exposed, and the die opening action is conveniently completed;
simultaneously, the T-shaped slide bar 26, the fixed guide block 25 and the first spring 27 are matched, so that when the two die holders 24 move to two sides on the surface of the frame 1 in the die opening process, the die holders 24 can slide on the surface of the T-shaped slide bar 26 through the fixed guide block 25 to conduct moving guiding, the stability of the die holders 24 in the die opening process is ensured, meanwhile, the hydraulic rod 22 is contracted in the die closing process, and the first spring 27 is matched, so that the two die holders 24 can be quickly closed after the molded plastic part is taken out;
the fixed support plate 28 and the model top plate 29 are matched, so that when the two die holders 24 move to two sides during die opening, the model top plate 29 is in a relatively static state, the molded plastic part is conveniently and completely exposed, the follow-up demolding operation of the molded plastic part is convenient, and the molding of the plastic part is convenient;
when the two die holders 24 move to two sides to open the die, the toothed plate 38 fixed on the side surface of the die holder 24 can move along with the toothed plate, the transmission rod 36 of the first gear 37 meshed on the surface of the toothed plate 38 can be driven to rotate together with the winding roller 33, so that the stay cord 313 encircling the surface of the winding roller 33 is released, at the moment, the T-shaped ejector rod 311 connected with one end of the stay cord 313 and slidingly connected in the fixed sliding seat 31 can slide out to one side under the elastic force of the second spring 35, and the top plate 312 arranged at one end of the T-shaped ejector rod 311 is pushed to slide to the side close to the die holder 24, and the molded plastic part between the two die top plates 29 is pushed out, so that the molded plastic part can be ejected smoothly and rapidly, braking blanking is realized, and the molding process of the plastic part is improved;
when the mold is closed, the winding roller 33 reversely rotates to wind the stay wire 313, so that the stay wire 313 pulls the T-shaped ejector rod 311 to slide into the fixed sliding seat 31, the second spring 35 is compressed, and preparation is made for the next demolding operation;
during production, cooling liquid can be injected into the refrigerating box 41, a refrigerating device of the refrigerating box 41 is started, the cooling liquid in the refrigerating box 41 is refrigerated, the submersible pump 42 is started to pump out the cooling liquid, cooling is carried out on plastic parts between the model top plates 29 and the two model top plates 29 through the refrigerating circulation pipeline 43 which is arranged in a serpentine manner, the cooling duration of the plastic parts between the model top plates 29 and the two model top plates 29 can be prolonged through the refrigerating circulation pipeline 43 which is arranged in the serpentine manner, the plastic parts can be conveniently and timely cooled and molded, the plastic parts are prevented from being adhered to the surface of the die holder 24, the automatic demolding of the plastic molding machine is conveniently matched, the molding efficiency and the molding product quality of the plastic parts are improved, and the rapid molding of the plastic parts is facilitated;
meanwhile, in the process of die opening, the first rack 46 connected to one side of the die holder 24 can follow the moving roller, and the second rack 49 is reversely moved to push the piston plate 45 which is slidably connected in the cavity of the die holder 24 to move to one side under the action of the second gear 48, and cold air which enters the cavity of the die holder 24 through the one-way air inlet pipe 44 is extruded, so that the air is blown out to one side of the die top plate 29 through the one-way air inlet hole 412, the die top plate 29 is cooled, and the cooling effect on the die top plate 29 and plastic parts between the two die top plates 29 is improved, so that the molding speed is improved;
the air blown to one side of the mold top 29 during mold closing can be discharged from the air discharge hole 413, and the air in the refrigeration case 41 can be drawn into the cavity of the mold base 24 through the unidirectional air intake pipe 44 when the piston plate 45 moves in the reverse direction, so as to prepare for the cooling of the next side.
It should be noted that: the surface of the refrigeration case 41 is provided with a one-way air valve for introducing air into the refrigeration case 41.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A rapid plastic part forming machine comprises a frame (1) and a raw material extrusion mechanism (11) arranged on the surface of the frame (1);
the method is characterized in that: the quick die opening assembly (2) is arranged in the frame (1), and the quick die opening assembly (2) comprises die holders (24) symmetrically arranged in the frame (1), wedge-shaped blocks (210) fixedly arranged on the bottom surfaces of the die holders (24), and U-shaped fixing frames (21), hydraulic rods (22) and top frames (23) which are arranged in the frame (1) and used for controlling the die holders (24) to open and close;
a rapid demoulding assembly (3) is arranged in the frame (1), and the rapid demoulding assembly (3) comprises a fixed sliding seat (31) fixed in the frame (1), a T-shaped ejector rod (311) connected in the fixed sliding seat (31) in a sliding manner, a second spring (35) for controlling the ejection of the T-shaped ejector rod (311) to a plastic piece, a fixed sliding rod (39) and a top plate (312);
install quick cooling module (4) in frame (1), quick cooling module (4) are including installing refrigerating box (41) in frame (1) and install immersible pump (42) in refrigerating box (41) and set up be used for to plastics moulded piece quick cryogenic cooling's refrigeration circulation pipeline (43) in die holder (24).
2. The rapid prototyping machine for plastic parts according to claim 1, wherein: the novel hydraulic lifting device is characterized in that a U-shaped fixing frame (21) is fixedly arranged on the bottom surface inside the frame (1), a hydraulic rod (22) is fixedly arranged on the surface of the U-shaped fixing frame (21), a top frame (23) is fixed at the piston end of the hydraulic rod (22), and a wedge block (210) is slidably connected to the surface of the top frame (23).
3. The rapid prototyping machine for plastic parts according to claim 1, wherein: the surface integrated into one piece of die holder (24) has fixed guide block (25), the surface sliding connection of fixed guide block (25) has T shape slide bar (26), the one end fixed connection of T shape slide bar (26) is in frame (1), just the outside cover of T shape slide bar (26) is equipped with spring one (27).
4. The rapid prototyping machine for plastic parts according to claim 1, wherein: the surface sliding connection of die holder (24) has fixed extension board (28), the one end fixed extension board (28) is fixed to be connected in frame (1), just the other end of fixed extension board (28) is connected with model roof (29) of sliding connection in die holder (24).
5. The rapid prototyping machine for plastic parts according to claim 1, wherein: the T-shaped ejector rod (311) is connected with a fixed sliding rod (39) in a sliding mode, one end of the fixed sliding rod (39) is fixed in the fixed sliding seat (31), a spring II (35) is sleeved on the outer side of the fixed sliding rod (39), and the other end of the T-shaped ejector rod (311) is fixedly connected with a top plate (312).
6. The rapid prototyping machine for plastic parts according to claim 1, wherein: a wind-up roller (33) is arranged in the frame (1), a rotating frame I (32) is fixedly arranged in the frame (1), a guide wheel (34) is rotationally connected to the rotating frame I (32), a pull rope (313) is wound on the surface of the wind-up roller (33), and one end of the pull rope (313) is wound on the guide wheel (34) and connected with one end of a T-shaped ejector rod (311).
7. The rapid prototyping machine for plastic parts according to claim 6, wherein: the surface mounting of wind-up roll (33) has transfer line (36), the one end of transfer line (36) rotates to be connected in frame (1), the other end of transfer line (36) is fixed with gear one (37), the surface engagement of gear one (37) has pinion rack (38), pinion rack (38) fixed mounting is at the surface of die holder (24), the outside of transfer line (36) rotates to be connected with spacing (310), spacing (310) fixed mounting is in frame (1).
8. The rapid prototyping machine for plastic parts according to claim 1, wherein: one end of a refrigeration cycle pipeline (43) sequentially penetrates through the die holder (24) and the refrigeration box (41) and is connected with the output end of the submersible pump (42), the other end of the refrigeration cycle pipeline (43) sequentially penetrates through the die holder (24) and the refrigeration box (41) and extends into the refrigeration box (41), and the refrigeration cycle pipeline (43) is embedded in a snake-shaped groove formed in the surface of the model top plate (29).
9. The rapid prototyping machine for plastic parts according to claim 1, wherein: the novel refrigerator is characterized in that a second rotating frame (47) is fixed in the frame (1), a second gear (48) is rotationally connected to the second rotating frame (47), a first rack (46) and a second rack (49) are meshed with the surface of the second gear (48), one end of the first rack (46) is connected with the die holder (24), one end of the second rack (49) penetrates through the die holder (24) and is connected with a piston plate (45) in the die holder (24) in a sliding mode, a one-way air inlet pipe (44) is communicated with the surface of the die holder (24), and one end of the one-way air inlet pipe (44) is communicated with the refrigerating box (41).
10. The rapid prototyping machine for plastic parts according to claim 9, wherein: the surface sliding connection of rack two (49) has fixed guide bar (410), the one end of fixed guide bar (410) is fixed in frame (1), the surface mounting of rack two (49) has L shape to connect roof (411), the one end of L shape to connect roof (411) runs through die holder (24) to be connected with piston board (45), unidirectional inlet port (412) have been seted up on the surface of the inside baffle of die holder (24), a plurality of exhaust holes (413) have been seted up on the surface of die holder (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410252540.2A CN117817935A (en) | 2024-03-06 | 2024-03-06 | Plastic part rapid forming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410252540.2A CN117817935A (en) | 2024-03-06 | 2024-03-06 | Plastic part rapid forming machine |
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| CN117817935A true CN117817935A (en) | 2024-04-05 |
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| CN202410252540.2A Pending CN117817935A (en) | 2024-03-06 | 2024-03-06 | Plastic part rapid forming machine |
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Effective date of registration: 20240527 Address after: No. 713, 7th Floor, Building 4, No. 99 Guangfu Road, Wuhou District, Chengdu City, Sichuan Province, 610000 Applicant after: Chengdu Lansi Technology Co.,Ltd. Country or region after: China Address before: No. 141 Shiji West Road, Guanqiao Town, Nan'an City, Quanzhou City, Fujian Province, 362341 Applicant before: Nan'an Badu Building Materials Co.,Ltd. Country or region before: China |