CN116461072A - Plastic extrusion die and use method - Google Patents
Plastic extrusion die and use method Download PDFInfo
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- CN116461072A CN116461072A CN202310353724.3A CN202310353724A CN116461072A CN 116461072 A CN116461072 A CN 116461072A CN 202310353724 A CN202310353724 A CN 202310353724A CN 116461072 A CN116461072 A CN 116461072A
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- 239000004033 plastic Substances 0.000 title claims abstract description 199
- 229920003023 plastic Polymers 0.000 title claims abstract description 199
- 238000001125 extrusion Methods 0.000 title claims abstract description 85
- 238000000034 method Methods 0.000 title claims description 10
- 230000007246 mechanism Effects 0.000 claims abstract description 130
- 238000001816 cooling Methods 0.000 claims abstract description 129
- 238000007599 discharging Methods 0.000 claims abstract description 100
- 238000005096 rolling process Methods 0.000 claims abstract description 38
- 230000000694 effects Effects 0.000 claims abstract description 26
- 239000003000 extruded plastic Substances 0.000 claims abstract description 17
- 238000000465 moulding Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 21
- 238000005452 bending Methods 0.000 claims description 12
- 230000001360 synchronised effect Effects 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 10
- 239000002991 molded plastic Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims 1
- 230000017525 heat dissipation Effects 0.000 abstract description 12
- 238000007493 shaping process Methods 0.000 description 17
- 230000000087 stabilizing effect Effects 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 230000033228 biological regulation Effects 0.000 description 5
- 238000010137 moulding (plastic) Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/355—Conveyors for extruded articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/256—Exchangeable extruder parts
- B29C48/2566—Die parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/265—Support structures or bases for apparatus, e.g. frames
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/885—External treatment, e.g. by using air rings for cooling tubular films
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The application belongs to the technical field of extrusion dies and discloses a plastic extrusion die which comprises a plastic extrusion die, a vertical support A, a rolling mechanism, an auxiliary discharging assembly, a cooling mechanism and a height mechanism, wherein the vertical support A is arranged on the vertical support A; the rolling mechanism is arranged at one side of the vertical support B, and the auxiliary discharging component is arranged between the vertical support A and the vertical support B; the cooling mechanism is fixedly arranged between the plastic extrusion die and the auxiliary discharging assembly, and cools and dissipates heat to the extruded plastic; the height mechanism is fixedly arranged above the base plate; the auxiliary discharging component is fixedly arranged on the height mechanism. According to the invention, the discharging movable roller in the auxiliary discharging assembly can rotate through the rolling mechanism, so that auxiliary plastics can be conveniently discharged better, the rotating speed of the discharging movable roller is the same as the extrusion speed of the plastics, and the plastics are prevented from being broken; the extruded plastic part can achieve the effect of heat dissipation and cooling through the cooling mechanism, so that the cooling of the plastic is quickened, and the effect of heat dissipation and cooling at the extrusion outlet of the plastic is that the molding is quickened.
Description
Technical Field
The application relates to the technical field of extrusion dies, in particular to a plastic extrusion die and a using method thereof.
Background
The plastic extrusion die is provided with two or more than two kinds of materials flowing along the independent flow channels, and the two or more than two kinds of materials are converged near the outlet of the die to jointly extrude the tool of the die, and when the die is formed and comes out from the die, the die needs to be rapidly cooled to prevent deformation.
The prior art publication No. CN218053877U provides a PE co-extrusion die comprising a base plate; a bottom plate: the rear side of the upper end of the PE extruding die is provided with a rear die through a first connecting seat, the front side of the upper end of the bottom plate is slidably connected with a second connecting seat, the upper end of the second connecting seat is provided with a front die, the front die and the rear die are correspondingly arranged front and back, the centers of the inner opposite sides of the front die and the rear die are respectively provided with a main feeding channel, the inner opposite sides of the front die and the rear die are symmetrically provided with auxiliary feeding channels, the auxiliary feeding channels are respectively communicated with the adjacent main feeding channels, the inner opposite sides of the front die and the rear die are respectively provided with a first sealing groove, the inner part of the first sealing groove is provided with a first sealing strip, the upper side of the bottom plate is provided with a rectangular groove, the inner part of the rectangular groove is rotationally connected with a screw rod through a bearing, and the PE extruding die is extruded by the PE extruding die. In the related art, cold water can enter the front mold and the rear mold through the cooling cavity formed in the right side of the inner parts of the front mold and the rear mold and the water inlet pipe arranged on the outer side of the rear mold, so that the plastic mold at the outlet is cooled.
In the prior art scheme, although the cooling cavities formed on the right sides of the inner parts of the front die and the rear die can realize the effect of enabling cold water to enter the front die and the rear die and cooling the plastic model at the outlet, the following defects still exist; the inside cold water that is provided with of export at the mould passes through for plastics probably not can not be by the shaping of cooling, leads to plastics to come out the back appearance and actual size deviation great, and the coextrusion mould need bear the high temperature just can melt plastics, and the setting of cold water can make the life of mould reduce, can not reach fine plastics extrusion effect.
In view of this, we propose a plastic extrusion die and method of use.
Disclosure of Invention
1. Technical problem to be solved
The utility model provides a plastics extrusion die and application method has solved and has been provided with cold water and pass through in the export inboard of mould for plastics can be the shaping of cooling down for the shaping of perhaps totally, lead to the plastics to come out the back appearance and actual size deviation great, and the coextrusion die need bear the high temperature just can melt plastics, and the setting of cold water can make the life of mould reduce, can not reach fine plastics extrusion effect's technical problem, realized both can make plastics component steadily derive, also can accelerate the heat dissipation to plastics component, and improve plastics component's shaping quality, reach better shaping technological effect.
2. Technical proposal
The embodiment of the application provides a plastic extrusion die and a using method thereof, wherein the plastic extrusion die comprises a plastic extrusion die, a vertical bracket A, a rolling mechanism, an auxiliary discharging assembly, a cooling mechanism and a height mechanism;
the plastic extrusion die is used for extrusion molding of plastics;
the lower end of the vertical support A is fixedly provided with a base plate, the base plate is fixedly provided with a vertical support B, the bottom ends of the vertical support A and the vertical support B are fixedly connected through the base plate, and the vertical support A and the vertical support B are aligned; the vertical support A and the vertical support B are used for stably using a rolling mechanism and a height mechanism;
the rolling mechanism is arranged on one side of the vertical support B and is used for adjusting the using distance of the auxiliary discharging assembly;
the auxiliary discharging component is arranged between the vertical support A and the vertical support B and is used for controlling the walking direction of the molded plastic and preventing the plastic from bending; the auxiliary discharging component and the rolling mechanism are in meshed transmission arrangement;
the cooling mechanism is fixedly arranged between the plastic extrusion die and the auxiliary discharging assembly, and can cool and radiate extruded plastic, so that the extruded plastic can be quickly hardened, and the plastic extrusion molding efficiency is improved;
the height mechanism is fixedly arranged above the base plate; the auxiliary discharging component is fixedly arranged on the height mechanism;
the height mechanism is arranged on one side of the vertical support B, and is used for adjusting the use distance between the discharging movable rollers in the auxiliary discharging assembly and assisting the plastic guiding walking at different heights.
Through adopting above-mentioned technical scheme, after plastic raw materials and auxiliary material fuse-element come out from plastic passage and auxiliary material mouth and mix together, can be followed the opposite side of mould body and extruded, extruded plastics can reach between the high mechanism at first, through rolling mechanism, make the ejection of compact movable roll in the supplementary ejection of compact subassembly can rotate, and the ejection of compact movable roll of top is the driven voller, the ejection of compact movable roll of below is the power roller, the auxiliary plastic of being convenient for can be better come out, and the rotational speed of ejection of compact movable roll is the same with the extrusion speed of plastics, prevent to tear the plastics apart, and improve the shaping quality of plastics, rolling mechanism is when starting, cooling mechanism also can move thereupon, because the setting of big belt pulley in the cooling mechanism, cooling heat dissipation fan can rotate multiturn after big belt pulley rotates, thereby improve the rotational speed of cooling heat dissipation fan, make it can reach the effect of heat dissipation cooling, accelerate the cooling to plastics, through the cooling equipment of ejection of compact movable roll after deriving plastics cooperation peripheral hardware, and the effect of cooling it is to accelerate shaping, prevent to crooked, if extrusion die's rotational speed is the high, the shaping mechanism is used in the high degree of the plastic that can change the shaping mechanism is suitable for the high-speed of plastics, the same range is used to change.
As an alternative scheme of this application file technical scheme, plastics extrusion tooling includes the workstation, the top symmetry slip of workstation is provided with the mould body, the auxiliary material mouth has all been seted up to the inboard of mould body, the mould body is close to each other and has all been seted up plastics passageway to one side, bottom one side threaded connection of mould body has adjusting screw, adjusting screw rotates the top both sides that set up in the workstation, adjusting screw's outside is provided with opposite screw thread. The shape and length of the plastic extrusion opening of the die body are adaptively adjusted according to different product requirements. One end of the adjusting screw is fixedly provided with a rotating hand wheel, and the die body is provided with a locking positioning bolt.
Through adopting above-mentioned technical scheme, rotate adjusting screw, can make the mould body be close to each other or keep away from to separate two mould bodies, be convenient for clear up inside residue, improve plastics demolding quality.
As an alternative scheme of the technical scheme, the rolling mechanism comprises a servo motor, a driving bevel gear, a driven bevel gear, an auxiliary sliding rod and a fixed rod shell, wherein the servo motor is fixedly arranged on an upper moving frame of the auxiliary discharging assembly;
the outside rotation of dead lever shell is provided with well carrier plate, and well carrier plate sets up on standing support B.
Auxiliary sliding rods are arranged at the two ends of the fixed rod shell in a sliding manner up and down;
the auxiliary slide bar on the upper side is fixedly connected with the driving end of the servo motor;
a drive bevel gear is fixedly arranged at the lower end of the auxiliary sliding rod at the lower side; the outer side of the driving bevel gear is provided with a driven bevel gear in a meshed manner.
By adopting the technical scheme, the auxiliary discharging mechanism and the cooling mechanism can be simultaneously operated and used by the starting of the rolling mechanism, so that the plastic component can be stably guided out, and the heat dissipation, the cooling and the forming can be quickened.
As an alternative scheme of the technical scheme of the application, the auxiliary discharging assembly comprises a discharging movable roller, an upper moving frame, a lower moving frame, an auxiliary moving frame and an automatic telescopic rod, wherein two discharging movable rollers are symmetrically arranged up and down, and two ends of each discharging movable roller are fixedly provided with a receiving rod;
an upper moving frame and an auxiliary moving frame 404 are respectively rotatably arranged on the two upper receiving rods;
a lower moving frame and an auxiliary moving frame are respectively arranged on the two bearing rods at the lower side in a rotating way;
one end of the receiving rod arranged below is fixedly connected with the driven bevel gear;
an automatic telescopic rod is fixedly arranged between the two auxiliary moving frames, the auxiliary moving frames are arranged on the outer side of the vertical support A in a sliding mode, the upper moving frames and the lower moving frames are arranged on the outer side of the vertical support B in a sliding mode, and the bearing rods are arranged on the inner sides of the vertical support A and the vertical support B in a sliding mode.
Through adopting above-mentioned technical scheme, through rolling mechanism, make the ejection of compact movable roll in the supplementary ejection of compact subassembly can rotate, and the ejection of compact movable roll of top is the driven voller, and the ejection of compact movable roll of below is the power roller, and the auxiliary plastic of being convenient for can be better come out, and ejection of compact movable roll's rotational speed is the same with the extrusion speed of plastics, prevents to tear the plastics apart, and improves the shaping quality of plastics.
As an alternative scheme of the technical scheme, the servo motor is fixedly arranged at the top end of the upper moving frame, the driving end of the servo motor penetrates through and is rotationally arranged at the top end of the upper moving frame, one end of the auxiliary sliding rod is provided with two small belt pulleys A which can slide up and down, the two small belt pulleys A are symmetrically arranged up and down, and the small belt pulley A arranged below is rotationally arranged at one side of the bottom end of the vertical support B; the small belt pulley A on the upper side is rotatably arranged on the side connecting plate through the connecting and fixing plate.
By adopting the technical scheme, the rolling mechanism can drive the cooling mechanism to be used when being started.
Optionally, a horizontal supporting plate is fixedly arranged on the lower moving frame and is used for horizontally supporting the extruded plastic piece to prevent the plastic piece from deforming; the external cooling equipment is arranged above the horizontal supporting plate, so that the extruded plastic piece can be continuously cooled.
As an alternative scheme of this application file technical scheme, cooling body includes belt pulley A, belt pulley A passes through hold-in range A and belt pulley B transmission to be connected, belt pulley B's top is fixed to be provided with big belt pulley, big belt pulley passes through hold-in range B and belt pulley C transmission to be connected, belt pulley C's bottom is provided with the cooling fan through the connecting rod is fixed.
Through adopting above-mentioned technical scheme, when the rolling mechanism is in use, cooling mechanism also can move thereupon, because the setting of big belt pulley in the cooling mechanism, after big belt pulley rotates the round, the cooling fan can rotate many circles to improve the rotational speed of cooling fan, make it can reach the effect of heat dissipation cooling, accelerate the cooling to plastics, and carry out the heat dissipation cooling's effect to it in plastics extrusion exit and accelerate the shaping, prevent crooked.
As an alternative scheme of the technical scheme of the application, the cooling mechanism comprises a small belt pulley A, a small belt pulley B, a large belt pulley, a small belt pulley C and a cooling radiating fan, wherein a side connecting plate is fixedly arranged on one side of the base plate, and stable brackets are symmetrically and fixedly arranged at the upper end and the lower end of the side connecting plate; the small belt pulley B and the large belt pulley are respectively arranged at the top end and the bottom end of the inner side of the stable support in a rotating mode, the small belt pulley C is arranged at the top end of the inner side of the stable support in a rotating mode, the connecting rod penetrates through and rotates to be arranged at the bottom end of the stable support, and the cooling mechanism is provided with two groups in an up-down symmetrical mode.
Through adopting above-mentioned technical scheme, setting up of firm support is used for stabilizing cooling mechanism's transmission.
As an alternative scheme of this application technical scheme, high mechanism includes driving motor, worm, driving gear, driven gear, adjusts pinion rack A and adjusts pinion rack B, driving motor's drive end is fixed to be provided with the worm, the outside meshing of worm is provided with driving gear, driving gear is fixed through the gangbar and is provided with driven gear, driven gear's outside symmetrical meshing is provided with adjusts pinion rack A and adjusts pinion rack B, adjust pinion rack A fixed the setting in one side of going up the movable frame, adjust pinion rack B through accept board and lower movable frame fixed connection.
Through adopting above-mentioned technical scheme, through the setting of altitude construction, if change plastics extrusion tooling, the shaping altitude change of plastics, then can change the distance between the ejection of compact movable roll in the auxiliary discharging mechanism through altitude construction to this adapts to the altitude use of different plastics forms, application range is wide.
As an alternative scheme of this application file technical scheme, one side of adjusting pinion rack B slides and is provided with steady solid shell, the other end of worm rotates and is provided with fixed component, fixed component's bottom mounting is provided with motor support frame, motor support frame and upright support B fixed connection, driving motor is fixed to be set up in motor support frame's top, the gangbar rotates and sets up in motor support frame's one side.
Through adopting above-mentioned technical scheme, the motor support frame is used for stabilizing and adjusts pinion rack B's reciprocates, and the fixed component is used for stabilizing the rotation of worm.
The invention provides a use method of a plastic extrusion die, which comprises the following steps:
s1, conveying a main material melt and an auxiliary material melt of plastic into the inner side of a die body from a plastic channel and an auxiliary material port, mixing and forming, and extruding out from one side of the die body after forming;
s2, the extruded plastic component firstly passes through a cooling mechanism, a servo motor in the rolling mechanism is started at the moment, the servo motor is started to drive an auxiliary sliding rod to rotate, the auxiliary sliding rod drives a fixed rod shell to start rotating, the rotation of the fixed rod shell drives an auxiliary sliding rod below the fixed rod shell to start rotating, so that a lower discharging movable roller in an auxiliary discharging assembly starts rotating, and an upper discharging movable roller does not provide power, therefore, when the discharging movable roller assists in guiding and moving the plastic component, the upper discharging movable roller can follow the rotation, thereby stabilizing the movement of the plastic component, preventing the plastic component from bending when the plastic component is completely cooled, and improving the plastic molding quality;
s3, while the auxiliary slide bar 304 rotates, the small belt pulley A in the cooling mechanism is driven to rotate, the small belt pulley A drives the small belt pulley B to rotate through the synchronous belt A, the small belt pulley B drives the large belt pulley to rotate, the large belt pulley drives the small belt pulley C to rotate through the synchronous belt B, the small belt pulley C drives the cooling fan to rotate through the connecting rod, the rotating speed of the cooling fan is higher than that of the large belt pulley, the cooling effect on the plastic component can be conveniently achieved, the cooling speed is increased, and the cooling efficiency is improved;
s4, if different plastic extrusion dies are replaced, a driving motor in the height mechanism can be started to drive a worm to rotate, the rotation of the worm drives a driving gear to start rotating, the rotation of the driving gear drives a driven gear to rotate through a linkage rod, the rotation of the driven gear drives an adjusting toothed plate A and an adjusting toothed plate B to synchronously and reversely move, and when the adjusting toothed plate A is lifted, the adjusting toothed plate B descends, so that the distance between an upper moving frame and a lower moving frame is enlarged, otherwise, the distance between two discharging moving rollers is reduced, and therefore plastic components with different heights are used, and the application range is enlarged;
s5, cooling the plastic continuously through cooling equipment matched with the external device after the plastic is led out by the discharging movable roller, and the plastic extrusion outlet is subjected to heat dissipation and cooling, so that the molding is quickened, and the bending is prevented.
3. Advantageous effects
One or more technical solutions provided in the embodiments of the present application at least have the following technical effects or advantages:
1. according to the plastic extrusion device, the rolling mechanism is arranged, so that the discharging movable roller in the auxiliary discharging assembly can rotate, the discharging movable roller at the upper part is a driven roller, the discharging movable roller at the lower part is a power roller, auxiliary plastic can be conveniently and well discharged, the rotating speed of the discharging movable roller is the same as the extrusion speed of the plastic, the plastic is prevented from being broken, and the forming quality of the plastic is improved;
2. according to the cooling device, the cooling mechanism is arranged, the cooling mechanism can also run along with the cooling mechanism when the cooling mechanism is used, due to the arrangement of the large belt pulley in the cooling mechanism, after the large belt pulley rotates for one circle, the cooling radiating fan can rotate for a plurality of circles, so that the rotating speed of the cooling radiating fan is improved, the cooling radiating fan can achieve the effect of radiating and cooling, the cooling of plastics is accelerated, and the effect of radiating and cooling the plastics at the extrusion outlet of the plastics is accelerated, so that bending is prevented;
3. this application is through the setting of high mechanism, if change plastics extrusion tooling, the shaping height of plastics changes, then can change the distance between the ejection of compact movable roll in the auxiliary discharging mechanism through high mechanism to this highly uses of adaptation different plastics forms, and application range is wide.
Drawings
FIG. 1 is a schematic view showing the overall structure of a plastic extrusion die according to a preferred embodiment of the present invention;
FIG. 2 is a schematic view of a plastic extrusion die according to a preferred embodiment of the present invention;
FIG. 3 is a schematic diagram showing a split structure of a plastic extrusion die in a plastic extrusion die according to a preferred embodiment of the present invention;
fig. 4 is a schematic view showing a combined structure of a plastic extrusion die neutral support a, a rolling mechanism and an auxiliary discharging component according to a preferred embodiment of the present invention
FIG. 5 is a schematic view of the structure of a vertical support A, a vertical support B and an auxiliary discharging assembly of a plastic extrusion die according to a preferred embodiment of the present invention;
FIG. 6 is a schematic view showing a combined structure of a height mechanism, a receiving plate and a motor support frame in a plastic extrusion die according to a preferred embodiment of the present invention;
FIG. 7 is a schematic diagram showing a split structure of a cooling mechanism in a plastic extrusion die according to a preferred embodiment of the present invention;
the reference numerals in the figures illustrate: 1. a plastic extrusion die; 101. a work table; 102. a die body; 103. an auxiliary material port; 104. a plastic channel; 105. adjusting a screw; 2. a vertical support A; 201. a vertical bracket B; 202. a middle bearing plate; 203. a base plate; 204. a side connection plate; 3. a rolling mechanism; 301. a servo motor; 302. a drive bevel gear; 303. a driven bevel gear; 304. an auxiliary slide bar; 305. a fixed rod housing; 4. a discharging movable roller; 401. a receiving rod; 402. an upper moving frame; 403. a lower moving frame; 404. an auxiliary moving frame; 405. an automatic telescopic rod; 5. a cooling mechanism; 501. a small belt pulley A; 502. a synchronous belt A; 503. a small belt pulley B; 504. a large pulley; 505. a synchronous belt B; 506. a small belt pulley C; 507. cooling the heat dissipation fan; 508. stabilizing the bracket; 6. a height mechanism; 601. a driving motor; 602. a worm; 603. a drive gear; 604. a driven gear; 605. adjusting the toothed plate A; 606. adjusting the toothed plate B; 607. stabilizing the shell; 608. a fixing member; 7. a receiving plate; 8. and a motor supporting frame.
Detailed Description
The present application is described in further detail below in conjunction with the drawings attached to the specification.
Referring to fig. 1 and 2, an embodiment of the present application discloses a plastic extrusion die, which comprises a plastic extrusion die 1, a vertical bracket A2, a rolling mechanism 3, an auxiliary discharging assembly, a cooling mechanism 5 and a height mechanism 6;
the plastic extrusion die 1 is used for extrusion molding of plastic;
the lower end of the vertical support A2 is fixedly provided with a base plate 203, the base plate 203 is fixedly provided with a vertical support B201, the bottom ends of the vertical support A2 and the vertical support B201 are fixedly connected through the base plate 203, the vertical support A2 and the vertical support B201 are aligned, and the vertical support A2 and the vertical support B201 are used for stably using the rolling mechanism 3 and the height mechanism 6;
the rolling mechanism 3 is arranged on one side of the vertical support B201, and the rolling mechanism 3 is used for adjusting the using distance of the auxiliary discharging component;
the auxiliary discharging component is arranged between the vertical support A2 and the vertical support B201 and is used for controlling the walking direction of the molded plastic and preventing the plastic from bending; the auxiliary discharging component and the rolling mechanism 3 are in meshed transmission arrangement;
the cooling mechanism 5 is fixedly arranged between the plastic extrusion die 1 and the auxiliary discharging component, and the cooling mechanism 5 can cool and radiate extruded plastic, so that the extruded plastic can be quickly hardened, and the plastic extrusion molding efficiency is improved;
the height mechanism 6 is fixedly arranged above the base plate 203; the auxiliary discharging component is fixedly arranged on the height mechanism 6;
the height mechanism 6 is arranged on one side of the vertical support B201, and the height mechanism 6 is used for adjusting the use distance between the discharging movable rollers 4 in the auxiliary discharging assembly and assisting the plastic guiding walking at different heights.
When plastic raw materials and auxiliary material melt come out and mix together from plastic passageway 104 and auxiliary material mouth 103, can be followed the opposite side of mould body 102 and extruded, the plastics that extrude can reach between the high mechanism 6 at first, through rolling mechanism 3, make the ejection of compact movable roll 4 in the auxiliary discharging subassembly rotatable, and the ejection of compact movable roll 4 of top is the driven voller, the ejection of compact movable roll 4 of below is the power roller, the auxiliary plastic of being convenient for can be better come out, and the rotational speed of ejection of compact movable roll 4 is the same with the extrusion speed of plastics, prevent to tear the plastics apart, and improve the shaping quality of plastics, rolling mechanism 3 is when starting, cooling mechanism 5 also can move thereupon, because the setting of big belt pulley 504 in the cooling mechanism 5, after big belt pulley 504 rotates one round, cooling fan 507 can rotate many circles, thereby improve cooling fan 507's rotational speed, make it can reach the effect of cooling, accelerate the cooling to plastics, cool down through the cooling equipment that cooperates the peripheral hardware after ejection of compact movable roll 4 will plastics is derived, and it is cooled down to the plastics extrusion outlet, it is the effect of accelerating to cool down, prevent bending, prevent that the shaping mechanism 5 from also moves along with the change the high profile of plastics, if the high degree of the high-speed of extrusion mechanism 1 is used in the high-speed change, the high-speed of the plastic, the high-speed is suitable for the extrusion mechanism is used for changing the shaping, the height of the high profile of the plastics, and the side is used.
Referring to fig. 1 and 3, the plastic extrusion die 1 includes a workbench 101, a die body 102 is symmetrically and slidably arranged at the top end of the workbench 101, auxiliary material ports 103 are formed in the inner sides of the die body 102, plastic channels 104 are formed in the sides, which are close to each other, of the die body 102, an adjusting screw 105 is connected to one side of the bottom end of the die body 102 in a threaded manner, the adjusting screw 105 is rotatably arranged on two sides of the top end of the workbench 101, and opposite threads are arranged on the outer sides of the adjusting screw 105. The shape and length of the plastic extrusion of the die body 102 is adapted to different product requirements. One end of the adjusting screw 105 is fixedly provided with a rotating hand wheel, and the die body 102 is provided with a locking positioning bolt.
The adjusting screw 105 is rotated to enable the die bodies 102 to be close to or far away from each other, so that the two die bodies 102 are separated, residues in the die bodies are convenient to clean, and the plastic demolding quality is improved.
Referring to fig. 1 and 4, the rolling mechanism 3 includes a servo motor 301, a drive bevel gear 302, a driven bevel gear 303, an auxiliary slide bar 304, and a fixed bar housing 305;
the servo motor 301 is fixedly arranged on an upper moving frame 402 of the auxiliary discharging assembly;
the outer side of the fixing lever housing 305 is rotatably provided with a middle carrier plate 202, and the middle carrier plate 202 is provided on the standing bracket B201.
Two ends of the fixed rod shell 305 are provided with auxiliary sliding rods 304 which can slide up and down;
the upper auxiliary slide bar 304 is fixedly connected with the driving end of the servo motor 301;
a drive bevel gear 302 is fixedly arranged at the lower end of the auxiliary slide bar 304 at the lower side; the outer side of the drive bevel gear 302 is provided with a driven bevel gear 303 in a meshed manner;
the driving end of the servo motor 301 penetrates through and is rotationally arranged at the top end of the upper moving frame 402, one end of the auxiliary sliding rod 304 is provided with a small belt pulley A501 which can slide up and down, two small belt pulleys A501 are symmetrically arranged up and down, and the small belt pulley A501 arranged below is rotationally arranged at one side of the bottom end of the vertical support B201;
the upper small pulley a501 is rotatably provided on the side connection plate 204 by a connection fixing plate (not shown).
The servo motor 301 in the rolling mechanism 3 is started, the servo motor 30 enables the auxiliary slide bar 304 to rotate, the auxiliary slide bar 304 drives the fixed bar shell 305 to start rotating, and the fixed bar shell 305 drives the driving bevel gear 302 to rotate through the auxiliary slide bar 304 at the lower side, so that the auxiliary discharging component and the cooling mechanism 5 are driven to act.
Referring to fig. 4 and 5, the auxiliary discharging assembly comprises a discharging movable roller 4, an upper moving frame 402, a lower moving frame 403, an auxiliary moving frame 404 and an automatic telescopic rod 405, wherein two discharging movable rollers 4 are symmetrically arranged up and down, two ends of the discharging movable roller 4 are fixedly provided with a receiving rod 401,
an upper moving frame 402 and an auxiliary moving frame 404 are respectively rotatably arranged on the two bearing rods 401 on the upper side;
a lower moving frame 403 and an auxiliary moving frame 404 are respectively and rotatably arranged on the two bearing rods 401 at the lower side;
one end of a receiving rod 401 arranged below is fixedly connected with a driven bevel gear 303;
the two auxiliary moving frames 404 are arranged on the vertical support A2 in a sliding manner, and an automatic telescopic rod 405 is fixedly arranged between the two auxiliary moving frames 404;
the upper moving frame 402 and the lower moving frame 403 are slidably disposed outside the vertical frame B201, and the receiving rod 401 is slidably disposed inside the vertical frame A2 and the vertical frame B201.
The start of the rolling mechanism 3 can enable the lower discharging movable roller 4 in the auxiliary discharging assembly to start rotating, and the upper discharging movable roller 4 does not provide power, so that when the discharging movable roller 4 assists the plastic component to guide and move, the upper discharging movable roller 4 can follow to rotate, thereby stabilizing the movement of the plastic component, preventing the plastic component from bending when not completely cooled, and improving the plastic molding quality.
Optionally, a horizontal supporting plate is fixedly arranged on the lower moving frame 403 and is used for horizontally supporting the extruded plastic piece to prevent the plastic piece from deforming; the external cooling equipment is arranged above the horizontal supporting plate, so that the extruded plastic piece can be continuously cooled.
Referring to fig. 1 and 7, cooling mechanism 5 includes small pulley a501, small pulley B503, large pulley 504, small pulley C506, and cooling fan 507;
a side connecting plate 204 is fixedly arranged on one side of the base plate 203, and a stable bracket 508 is symmetrically and fixedly arranged at the upper end and the lower end of the side connecting plate 204; the small belt pulley A501 is in transmission connection with the small belt pulley B503 through the synchronous belt A502, the top end of the small belt pulley B503 is fixedly provided with the large belt pulley 504, the large belt pulley 504 is in transmission connection with the small belt pulley C506 through the synchronous belt B505, the bottom end of the small belt pulley C506 is fixedly provided with the cooling radiating fan 507 through the connecting rod, the small belt pulley B503 and the large belt pulley 504 are respectively and rotatably arranged at the inner top end and the bottom end of the stable support 508, the small belt pulley C506 is rotatably arranged at the inner top end of the stable support 508, the connecting rod penetrates through and is rotatably arranged at the bottom end of the stable support 508, and the cooling mechanism 5 is symmetrically provided with two groups up and down.
The auxiliary slide bar 304 rotates, and simultaneously, can drive the belt pulley A501 in the cooling mechanism 5 and begin to rotate, the belt pulley A501 drives the belt pulley B503 through hold-in range A502 and begins to rotate, the belt pulley B503 drives the big belt pulley 504 and begins to rotate, the big belt pulley 504 drives the belt pulley C506 through hold-in range B505 and begins to rotate, the belt pulley C506 drives the cooling fan 507 through the connecting rod and rotates, and the rotational speed of cooling fan 507 is greater than the rotational speed of big belt pulley 504, the effect of cooling down the plastic component can be conveniently carried out, the cooling rate is accelerated, and the cooling efficiency is improved.
Referring to fig. 1 and 6, the height mechanism 6 includes a driving motor 601, a worm 602, a driving gear 603, a driven gear 604, an adjusting toothed plate a605, and an adjusting toothed plate B606;
the drive end of driving motor 601 is fixed and is provided with worm 602, the outside meshing of worm 602 is provided with driving gear 603, driving gear 603 is fixed through the gangbar and is provided with driven gear 604, the outside symmetrical meshing of driven gear 604 is provided with regulation pinion rack A605 and regulation pinion rack B606, regulation pinion rack A605 is fixed to be set up in one side of last movable frame 402, regulation pinion rack B606 is through accept board 7 and lower movable frame 403 fixed connection, one side slip of regulation pinion rack B606 is provided with steady shell 607, the other end rotation of worm 602 is provided with fixed member 608, the bottom mounting of fixed member 608 is provided with motor support frame 8, motor support frame 8 and stand B201 fixed connection, driving motor 601 is fixed to be set up in motor support frame 8's top, the gangbar rotates and sets up in motor support frame 8's one side.
If the different plastic extrusion dies 1 are replaced, the height of the plastic model is changed, the driving motor 601 in the height mechanism 6 can be started, the worm 602 can rotate, the driving gear 603 is driven to rotate by the rotation of the worm 602, the driven gear 604 is driven to rotate by the rotation of the driving gear 603 through the linkage rod, the adjusting toothed plate A605 and the adjusting toothed plate B606 are synchronously and reversely moved by the rotation of the driven gear 604, and when the adjusting toothed plate A605 is lifted, the adjusting toothed plate B606 can be lowered, so that the distance between the upper moving frame 402 and the lower moving frame 403 is enlarged, and otherwise, the distance between the two discharging movable rollers 4 is reduced, so that plastic components with different heights are used, and the application range is enlarged.
The invention provides a use method of a plastic extrusion die, which comprises the following steps:
s1, conveying a main material melt and an auxiliary material melt of plastic into the inner side of a die body 102 from a plastic channel 104 and an auxiliary material port 103, mixing and forming, and extruding from one side of the die body 102 after forming;
s2, the extruded plastic component firstly passes through the cooling mechanism 5, at the moment, a servo motor 301 in the rolling mechanism 3 is started, the servo motor 301 drives an auxiliary slide bar 304 to rotate, the auxiliary slide bar 304 drives a fixed bar shell 305 to start rotating, the fixed bar shell 305 drives a lower auxiliary slide bar 304 to start rotating, so that a lower discharging movable roller 4 in an auxiliary discharging assembly starts rotating, and an upper discharging movable roller 4 does not provide power, therefore, when the discharging movable roller 4 assists in guiding and moving the plastic component, the upper discharging movable roller 4 can rotate along with the guiding and moving of the plastic component, thereby stabilizing the movement of the plastic component, preventing the plastic component from bending when the plastic component is not cooled completely, and improving the plastic molding quality;
s3, while the auxiliary slide bar 304 rotates, a small belt pulley A501 in the cooling mechanism 5 is driven to rotate, the small belt pulley A501 drives a small belt pulley B503 to rotate through a synchronous belt A502, the small belt pulley B503 drives a large belt pulley 504 to rotate, the large belt pulley 504 drives a small belt pulley C506 to rotate through a synchronous belt B505, the small belt pulley C506 drives a cooling fan 507 to rotate through a connecting rod, the rotating speed of the cooling fan 507 is higher than that of the large belt pulley 504, the cooling effect on plastic components can be conveniently achieved, the cooling speed is accelerated, and the cooling efficiency is improved;
s4, if different plastic extrusion dies 1 are replaced, the height of the plastic model is changed, a driving motor 601 in the height mechanism 6 can be started, the driving motor 601 drives a worm 602 to rotate, the rotation of the worm 602 drives a driving gear 603 to start rotating, the rotation of the driving gear 603 drives a driven gear 604 to rotate through a linkage rod, the rotation of the driven gear 604 drives an adjusting toothed plate A605 and an adjusting toothed plate B606 to synchronously and reversely move, and when the adjusting toothed plate A605 is lifted, the adjusting toothed plate B606 can be lowered, so that the distance between an upper moving frame 402 and a lower moving frame 403 is enlarged, otherwise, the distance between two discharging movable rollers 4 is reduced, plastic components with different heights are used, and the application range is enlarged;
s5, cooling the plastic continuously through the discharging movable roller 4 and matched with the external cooling equipment, and the plastic extrusion outlet is subjected to heat dissipation and cooling to achieve the effects of accelerating forming and preventing bending.
The working principle of the plastic extrusion die of the invention is as follows: the main material and auxiliary material melt of the plastic are conveyed into the inner side of the die body 102 from the plastic channel 104 and the auxiliary material port 103, then mixed and molded, and extruded out from one side of the die body 102 after molding;
the extruded plastic component firstly passes through the cooling mechanism 5, at the moment, a servo motor 301 in the rolling mechanism 3 is started, the servo motor 301 starts to enable a drive bevel gear 302 to start rotating, the rotation of the drive bevel gear 302 drives an auxiliary slide bar 304 to rotate, the auxiliary slide bar 304 drives a fixed bar shell 305 to start rotating, the rotation of the fixed bar shell 305 drives the other drive bevel gear 302 and the auxiliary slide bar 304 to start rotating, so that one discharging movable roller 4 in an auxiliary discharging assembly starts rotating, and the upper discharging movable roller 4 does not provide power, therefore, when the discharging movable roller 4 guides and moves the plastic component, the upper discharging movable roller 4 can follow rotating, thereby stabilizing the movement of the plastic component, preventing the plastic component from bending when the plastic component is completely cooled, and improving the plastic molding quality; a horizontal supporting plate fixedly arranged on the lower moving frame 403 is used for horizontally supporting the extruded plastic piece to prevent the plastic piece from deforming;
while the auxiliary slide bar 304 rotates, the small belt pulley A501 in the cooling mechanism 5 is driven to rotate, the small belt pulley A501 drives the small belt pulley B503 to rotate through the synchronous belt A502, the small belt pulley B503 drives the large belt pulley 504 to rotate, the large belt pulley 504 drives the small belt pulley C506 to rotate through the synchronous belt B505, the small belt pulley C506 drives the cooling fan 507 to rotate through the connecting rod, the rotating speed of the cooling fan 507 is higher than that of the large belt pulley 504, so that the cooling effect on the plastic component can be realized conveniently, the cooling speed is increased, and the cooling efficiency is improved;
if different plastic extrusion dies 1 are replaced and the heights of the plastic models are changed, a driving motor 601 in the height mechanism 6 can be started, a worm 602 can rotate, the rotation of the worm 602 drives a driving gear 603 to start rotating, the rotation of the driving gear 603 drives a driven gear 604 to rotate through a linkage rod, the rotation of the driven gear 604 drives an adjusting toothed plate A605 and an adjusting toothed plate B606 to move up and down, and when the adjusting toothed plate A605 is lifted, the adjusting toothed plate B606 descends, so that the distance between an upper moving frame 402 and a lower moving frame 403 is enlarged, and otherwise, the distance between two discharging movable rollers 4 is reduced, so that plastic components with different heights are used, and the application range is enlarged;
and the cooling equipment matched with the external equipment continuously cools the plastic after the plastic is led out through the discharging movable roller 4, and the effect of radiating and cooling the plastic at the extrusion outlet is to accelerate the forming and prevent the bending.
According to the invention, through the arrangement of the rolling mechanism, the discharging movable roller in the auxiliary discharging assembly can rotate, the discharging movable roller at the upper part is a driven roller, and the discharging movable roller at the lower part is a power roller, so that auxiliary plastics can be better discharged, the rotating speed of the discharging movable roller is the same as the extrusion speed of the plastics, the plastics are prevented from being broken, and the forming quality of the plastics is improved; through the arrangement of the cooling mechanism, the cooling mechanism can also run along with the use of the cooling mechanism, and due to the arrangement of the large belt pulley in the cooling mechanism, after the large belt pulley rotates for one circle, the cooling radiating fan can rotate for a plurality of circles, so that the rotating speed of the cooling radiating fan is improved, the cooling radiating fan can achieve the effect of radiating and cooling, the cooling of plastics is accelerated, and the effect of radiating and cooling the plastics at the extrusion outlet is accelerated, so that the plastics are prevented from being bent; through the setting of high mechanism, if change plastics extrusion tooling, the shaping height of plastics changes, then can change the distance between the ejection of compact movable roll in the auxiliary discharging mechanism through high mechanism to this high use of adaptation different plastics forms, application range is wide.
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 above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A plastic extrusion die comprising: the device comprises a plastic extrusion die, a vertical support A, a rolling mechanism, an auxiliary discharging assembly, a cooling mechanism and a height mechanism; the method is characterized in that:
the lower end of the vertical support A is fixedly provided with a base plate, the base plate is fixedly provided with a vertical support B, and the vertical support A and the vertical support B are used for stably using a rolling mechanism and a height mechanism;
the rolling mechanism is arranged on one side of the vertical support B and is used for adjusting the using distance of the auxiliary discharging assembly;
the auxiliary discharging component is arranged between the vertical support A and the vertical support B and is used for controlling the walking direction of the molded plastic and preventing the plastic from bending; the auxiliary discharging component and the rolling mechanism are in meshed transmission arrangement;
the cooling mechanism is fixedly arranged between the plastic extrusion die and the auxiliary discharging assembly, and can cool and dissipate heat of extruded plastic;
the height mechanism is fixedly arranged above the base plate; the auxiliary discharging component is fixedly arranged on the height mechanism; the height mechanism is used for adjusting the use distance between the discharging movable rollers in the auxiliary discharging assembly and assisting the plastic guiding walking at different heights.
2. The plastic extrusion die of claim 1, wherein: the plastic extrusion die comprises a workbench, the top symmetry of workbench slides and is provided with the mould body, the auxiliary material mouth has all been seted up to the inboard of mould body, the mould body is close to each other and has all been seted up the plastics passageway to get one side, bottom one side threaded connection of mould body has adjusting screw, adjusting screw rotates and sets up in the top both sides of workbench, adjusting screw's outside is provided with opposite screw thread, is provided with locking positioning bolt on the mould body.
3. The plastic extrusion die of claim 1, wherein: the rolling mechanism comprises a servo motor, a driving bevel gear, a driven bevel gear, an auxiliary sliding rod and a fixed rod shell, wherein the servo motor is fixedly arranged on an upper moving frame of the auxiliary discharging assembly;
the outside rotation of dead lever shell is provided with well carrier plate, and well carrier plate is fixed to be set up on standing support B.
Auxiliary sliding rods are arranged at the two ends of the fixed rod shell in a sliding manner up and down;
the auxiliary slide bar on the upper side is fixedly connected with the driving end of the servo motor;
the lower end of the auxiliary sliding rod at the lower side is fixedly provided with a driving bevel gear, and the outer side of the driving bevel gear is provided with a driven bevel gear in a meshed manner.
4. The plastic extrusion die of claim 1, wherein: the auxiliary discharging assembly comprises a discharging movable roller, an upper movable frame, a lower movable frame, an auxiliary movable frame and an automatic telescopic rod, wherein two discharging movable rollers are symmetrically arranged up and down, two ends of each discharging movable roller are fixedly provided with a receiving rod, the two receiving rods on the upper side are respectively provided with the upper movable frame and the auxiliary movable frame in a rotating manner, and the two receiving rods on the lower side are respectively provided with the lower movable frame and the auxiliary movable frame in a rotating manner; one end of the receiving rod arranged below is fixedly connected with the driven bevel gear and is arranged on the driven bevel gear; an automatic telescopic rod is fixedly arranged between the two auxiliary moving frames, the auxiliary moving frames are arranged on the outer side of the vertical support A in a sliding mode, and the upper moving frames and the lower moving frames are arranged on the outer side of the vertical support B in a sliding mode.
5. A plastic extrusion die according to claim 3, wherein: the servo motor is fixedly arranged at the top end of the upper moving frame, the driving end of the servo motor penetrates through and is rotationally arranged at the top end of the upper moving frame, one end of the auxiliary sliding rod is provided with small belt pulleys A which can slide up and down, two small belt pulleys A are symmetrically arranged up and down, and the small belt pulleys A arranged below are rotationally arranged at one side of the bottom end of the vertical support B; the small belt pulley A on the upper side is rotatably arranged on the side connecting plate through the connecting and fixing plate.
6. The plastic extrusion die of claim 1, wherein: the cooling mechanism comprises a small belt pulley A, a small belt pulley B, a large belt pulley, a small belt pulley C and a cooling radiating fan;
a side connecting plate is fixedly arranged on one side of the base plate, and a stable bracket is symmetrically and fixedly arranged at the upper end and the lower end of the side connecting plate; the small belt pulley A is in transmission connection with the small belt pulley B through the synchronous belt A, a large belt pulley is fixedly arranged at the top end of the small belt pulley B, the large belt pulley is in transmission connection with the small belt pulley C through the synchronous belt B, and a cooling and radiating fan is fixedly arranged at the bottom end of the small belt pulley C through a connecting rod.
7. The plastic extrusion die of claim 6, wherein: the small belt pulley B and the large belt pulley are respectively arranged at the top end and the bottom end of the inner side of the stable support in a rotating mode, the small belt pulley C is arranged at the top end of the inner side of the stable support in a rotating mode, the connecting rod penetrates through and rotates to be arranged at the bottom end of the stable support, and the cooling mechanism is provided with two groups in an up-down symmetrical mode.
8. The plastic extrusion die of claim 1, wherein: the height mechanism comprises a driving motor, a worm, a driving gear, a driven gear, an adjusting toothed plate A and an adjusting toothed plate B, wherein the worm is fixedly arranged at the driving end of the driving motor, the driving gear is meshed with the outer side of the worm, the driven gear is fixedly arranged on the driving gear through a linkage rod, the adjusting toothed plate A and the adjusting toothed plate B are symmetrically meshed with the outer side of the driven gear, the adjusting toothed plate A is fixedly arranged on one side of the upper moving frame, and the adjusting toothed plate B is fixedly connected with the lower moving frame through a bearing plate.
9. The plastic extrusion die of claim 8, wherein: one side of adjusting pinion rack B slides and is provided with steady shell, the other end of worm rotates and is provided with fixed component, fixed component's bottom mounting is provided with the motor support frame, motor support frame and upright support B fixed connection, driving motor is fixed to be set up in motor support frame's top, the gangbar rotates and sets up in motor support frame's one side.
10. A method of using a plastic extrusion die according to any one of claims 1-9, comprising the steps of:
s1, after a plastic raw material and an auxiliary material melt are mixed together from a plastic channel and an auxiliary material port, extruding the mixture from the other side of a die body, wherein the extruded plastic can firstly reach between height mechanisms;
s2, enabling a discharging movable roller at the lower side in the auxiliary discharging assembly to rotate through a rolling mechanism, wherein the discharging movable roller at the upper side is a driven roller, and the discharging movable roller at the lower side is a power roller, so that auxiliary plastics can be conveniently and well discharged, the rotating speed of the discharging movable roller is the same as the extrusion speed of the plastics, the plastics are prevented from being broken, and the forming quality of the plastics is improved;
s3, the cooling mechanism can also run along with the starting of the rolling mechanism, and due to the arrangement of the large belt pulley in the cooling mechanism, after the large belt pulley rotates for one circle, the cooling radiating fan can rotate for a plurality of circles, so that the rotating speed of the cooling radiating fan is improved, the cooling radiating fan can achieve the effect of radiating and cooling, the cooling of plastics is accelerated, the plastics are led out through the discharging movable roller and then are matched with the peripheral cooling equipment to continuously cool the plastics, and the effect of radiating and cooling the plastics at the extrusion outlet of the plastics is accelerated, so that the plastics are prevented from being bent;
s4, if the plastic extrusion die is replaced and the molding height of the plastic is changed, the distance between the discharging movable rollers in the auxiliary discharging mechanism can be changed through the height mechanism, so that the plastic extrusion die is suitable for the height use of different plastic forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310353724.3A CN116461072A (en) | 2023-03-30 | 2023-03-30 | Plastic extrusion die and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310353724.3A CN116461072A (en) | 2023-03-30 | 2023-03-30 | Plastic extrusion die and use method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116461072A true CN116461072A (en) | 2023-07-21 |
Family
ID=87178228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310353724.3A Withdrawn CN116461072A (en) | 2023-03-30 | 2023-03-30 | Plastic extrusion die and use method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116461072A (en) |
-
2023
- 2023-03-30 CN CN202310353724.3A patent/CN116461072A/en not_active Withdrawn
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