CN116442453A - PVC plastic tubing hot press unit - Google Patents
PVC plastic tubing hot press unit Download PDFInfo
- Publication number
- CN116442453A CN116442453A CN202310454949.8A CN202310454949A CN116442453A CN 116442453 A CN116442453 A CN 116442453A CN 202310454949 A CN202310454949 A CN 202310454949A CN 116442453 A CN116442453 A CN 116442453A
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- China
- Prior art keywords
- pipe
- ring
- fixed
- forming die
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229920003023 plastic Polymers 0.000 title claims abstract description 57
- 239000004033 plastic Substances 0.000 title claims abstract description 57
- 230000007246 mechanism Effects 0.000 claims abstract description 68
- 238000001816 cooling Methods 0.000 claims abstract description 46
- 238000001125 extrusion Methods 0.000 claims abstract description 43
- 238000004891 communication Methods 0.000 claims abstract description 32
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 238000005192 partition Methods 0.000 claims description 22
- 238000010438 heat treatment Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 9
- 230000003028 elevating effect Effects 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims 2
- 238000007731 hot pressing Methods 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 11
- 238000007599 discharging Methods 0.000 abstract description 9
- 239000002994 raw material Substances 0.000 description 23
- 238000007493 shaping process Methods 0.000 description 17
- 229920001169 thermoplastic Polymers 0.000 description 14
- 239000004416 thermosoftening plastic Substances 0.000 description 14
- 239000004800 polyvinyl chloride Substances 0.000 description 12
- 229920000915 polyvinyl chloride Polymers 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 238000007711 solidification Methods 0.000 description 11
- 230000008023 solidification Effects 0.000 description 11
- 238000000465 moulding Methods 0.000 description 9
- 238000003825 pressing Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 239000002245 particle Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 239000012535 impurity Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 241000883990 Flabellum Species 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/36—Moulds for making articles of definite length, i.e. discrete 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/70—Maintenance
- B29C33/72—Cleaning
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/34—Feeding the material to the mould or the compression means
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/50—Removing moulded 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/52—Heating or cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
- B29K2027/06—PVC, i.e. polyvinylchloride
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/22—Tubes or pipes, i.e. rigid
-
- 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)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Abstract
The invention belongs to the technical field of hot pressing equipment, and discloses a PVC plastic pipe hot pressing device which comprises a mounting frame and a forming die pipe, wherein the mounting frame is fixedly connected with the forming die pipe, and an extrusion mechanism is fixedly arranged at the top of the mounting frame. According to the invention, when the inner pipe drives the communication mechanism to rotate, the rotation of the outer pipe is realized by matching with the connecting ring, so that the outer pipe outside the plastic pipe to be formed and the inner pipe inside the plastic pipe to be formed simultaneously rotate during cooling, solidifying and cooling under the condition of maintaining the relative movement of the inner surface and the outer surface, so that the inner surface and the outer surface of the plastic pipe after forming are ensured not to be bonded, the automatic discharging of the plastic pipe after forming is finished after the bottom sealing support of the communication mechanism is actually formed and removed, the difficult discharging condition under bonding and fixing is effectively avoided, the damage to the outer surface and the top surface of the plastic pipe caused by pushing the top is avoided, and the discharging after actual hot-press forming is convenient and safe and has good use effect.
Description
Technical Field
The invention belongs to the technical field of hot pressing equipment, and particularly relates to a PVC plastic pipe hot pressing device.
Background
PVC plastic pipe, i.e. hard polyvinyl chloride pipe, is formed by extrusion molding of PVC resin, stabilizer, lubricant, etc. by hot pressing method, and the existing plastic pipe needs to undergo extrusion molding process in the processing course, for which a hot-press molding device is needed.
In the hot pressing device for PVC plastic pipes in the prior art, when the short nonstandard PVC plastic pipe molding preparation with small demand is carried out by adopting a molding die pipe to match an extrusion mechanism, as the raw materials are heated in the molding die pipe to form thermoplastic raw materials, the thermoplastic raw materials are matched with extrusion to enable the thermoplastic raw materials to enter a gap between an inner pipe and an outer pipe, thereby solidifying to form the hot-pressed plastic pipe in the subsequent cooling, however, the plastic pipe is tightly contacted between the molding die pipe and the inner pipe under the standing cooling, the extrusion mechanism is matched with the extrusion mechanism to push and extrude in practice, however, the strength of the inner surface and the outer surface of the plastic pipe is limited, during extrusion and discharging, the plastic pipe molded in the molding die pipe is pulled by overcoming the friction force, meanwhile, the contact position of the top end and the extrusion mechanism is subjected to larger extrusion pushing force to generate structural deformation and damage, after the hot pressing of the short PVC plastic pipe is actually completed, the plastic pipe is difficult to push and has hidden danger of damage after discharging, and the practical molding effect is poor.
In addition, PVC plastic tubing hot press among the prior art, when shaping hot pressing, adopt directly throw into the shaping cavity with the material to be heated into thermoplastic raw materials in the shaping cavity, extrude the plastic tubing shape of packing after granular raw materials is heated deformation, nevertheless need cooling down when shaping, and because be equipped with heating element in the moulded die pipe inner wall, need in time cooling down to the shaping in-process of short form nonstandard plastic tubing, receive former heating device's heating capacity influence, and lack cooling device's arrangement space, efficiency is lower when actually switching the cooling, the cooling is slower, hot press shaping inefficiency, the result of use is not good.
Disclosure of Invention
The invention aims to provide a PVC plastic pipe hot pressing device, which solves the problems in the background technology.
In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a PVC plastic tubing hot press unit, includes mounting bracket and moulded die pipe, mounting bracket and moulded die pipe fixed connection, the top fixed mounting of mounting bracket has extrusion mechanism, one side fixed mounting of extrusion mechanism has elevating system, the installation annular has been seted up to moulded die pipe's surface, the inside fixed mounting of installation annular has the heating pipe, the inside movable sleeve of moulded die pipe inner chamber is equipped with the intermediate baffle, elevating system's bottom fixedly connected with bottom plate, bottom plate top surface fixedly connected with fixed pipe, the inside rotation of fixed pipe has cup jointed the inside pipe, the fixed surface of inside pipe has cup jointed the intercommunication mechanism, inside pipe activity cup joints in moulded die pipe's inside, the inside fixedly connected with fixed plate of fixed pipe, the top surface fixed mounting of fixed plate has the installation cover, the surface rotation of installation cover has cup jointed the flabellum, the top of the fan blade inner ring is fixedly connected with a connecting rod, the upper end of the connecting rod is fixedly connected with an inner side pipe, a first ring groove is formed in the inner wall of the forming die pipe, an outer side pipe is movably sleeved in the inner side of the later ring groove, an adapting hole is formed in the bottom end of the forming die pipe, a connecting ring is movably sleeved on the inner surface of the adapting hole, the top surface of the connecting ring is fixedly connected with the outer side pipe, the communicating mechanism comprises a sealing ring, a communicating cavity, a communicating hole, a curved hole, a second ring groove and a magnetic ring, the magnetic ring is fixedly sleeved in the second ring groove, the second ring groove is formed in the top surface of the sealing ring, the sealing ring is fixedly sleeved on the outer surface of the inner side pipe, the inner surface of the second ring groove is movably sleeved with the connecting ring, the connecting ring is magnetically adsorbed with the magnetic ring, the outer surface of the fixing pipe is fixedly communicated with a liquid inlet pipe, the cooling cavity has been seted up to the bottom of moulded die pipe, the bottom and the intercommunication mechanism in cooling cavity are linked together, the intercommunication mechanism is linked together with the inboard pipe, the fixed surface intercommunication of moulded die pipe has the drain pipe, the fixed surface of moulded die pipe has cup jointed the insulating sheath, the insulating sheath is located the outside of installation annular.
Preferably, the top surface of the sealing ring of intercommunication ring fixedly connected with, the roof at the intercommunication ring is seted up to the intercommunication chamber, the bottom surface at the intercommunication ring is seted up to the intercommunicating pore and is linked together with the intercommunication chamber, bent Kong Kaishe is in the inside of sealing ring, the through-hole has been seted up to the surface of inboard pipe, the both ends in bent hole are linked together with through-hole and intercommunicating pore respectively.
Preferably, the extrusion mechanism comprises a first frame, a lifting rod, an extrusion plate and an arc groove, wherein the first frame is fixedly arranged at the top of the mounting frame, the lifting rod is fixedly arranged on the inner side surface of the first frame, the extrusion plate is fixedly connected to the bottom surface of the lifting rod, the arc groove is formed in the outer surface of the extrusion plate, and the extrusion plate is located right above the forming die pipe.
Preferably, the lifting mechanism comprises a second frame, a second lifting rod and a side plate, wherein the second frame is fixedly connected to the side face of the first frame, the second lifting rod is fixedly installed on the inner side face of the second frame, the side plate is fixedly connected to the bottom face of the second lifting rod, and the side plate is fixedly connected with the bottom plate.
Preferably, the inner surface of the forming die pipe is fixedly connected with an arc pipe, a fixed block is fixedly sleeved in the arc pipe, a movable rod is movably sleeved in the fixed block, the movable rod is fixedly connected to the top surface of the middle partition plate, and a spring is fixedly connected between the middle partition plate and the fixed block.
Preferably, the top surface of the middle partition plate is provided with top holes, and the top holes are distributed at the top of the middle partition plate in an annular equidistant mode.
Preferably, the inner diameter of the extrusion plate is smaller than the inner diameter of the forming die pipe, and the shape of the arc groove is matched with the shape of the arc pipe.
Preferably, the diameter of the adapting hole is larger than the inner diameter of the forming die pipe, the diameter of the adapting hole is smaller than the diameter of the first ring groove, the inner diameter of the connecting ring is the same as the inner diameter of the outer pipe, and the inner diameter of the outer pipe is the same as the inner diameter of the forming die pipe.
Preferably, the inner surface of the fixed pipe is provided with a third annular groove, the outer surface of the inner pipe is fixedly sleeved with a fixed ring, and the outer surface of the fixed ring is movably sleeved with the third annular groove.
The beneficial effects of the invention are as follows:
1. according to the invention, the lifting mechanism is utilized to control the inner pipe to move up and down, the rotatable outer pipe is sleeved in the forming die pipe, thermoplastic raw materials are extruded and filled between the outer pipe and the inner pipe during forming, the fed flowing water flow is matched to push the fan blades in the fixed pipe and rotate during cooling, solidifying and forming, the inner pipe is matched with the rotating effect to realize rotation by utilizing the connecting rod, the connecting ring on the bottom surface of the outer pipe is magnetically fixed with the magnetic ring in the communicating mechanism, and the connecting ring is matched to realize rotation of the outer pipe when the inner pipe drives the communicating mechanism to rotate, so that the outer pipe on the outer side of the plastic pipe to be formed and the inner pipe on the inner side are simultaneously rotated during cooling, solidifying and forming, cooling and solidifying are ensured under the relative movement of the inner surface and the outer surface, the inner surface of the plastic pipe after forming is not bonded, the automatic discharging of the plastic pipe after forming is completed after the bottom sealing and supporting of the communicating mechanism is realized, the difficult discharging condition of the plastic pipe under bonding and fixing is effectively avoided, the outer surface and the top surface of the plastic pipe is damaged when pushing is avoided, the outer surface of the plastic pipe is convenient and the top surface after the plastic pipe is actually formed, and the hot pressing effect is good.
2. According to the invention, the middle partition plate is matched with the support positioning of the inner pipe, so that the inner part of the forming die pipe is divided into an upper space and a lower space, the upper space is matched with the outer heating pipe to be heated into thermoplastic raw materials, the lower space is matched with the outer cooling cavity to be cooled and solidified, sufficient cooling assembly arrangement is provided, and the power water flow is introduced into the inner pipe and the cooling cavity while the rotation of the inner pipe and the outer pipe is matched with the power water flow, so that the water cooling and the temperature reduction are carried out from the inner side and the outer side of the plastic pipe to be formed during actual cooling and solidification forming, the actual cooling and solidification efficiency is greatly improved, the hot press forming efficiency is improved, and the use effect is good.
3. According to the invention, the first lifting rod in the extrusion mechanism is utilized to drive the extrusion plate to be sleeved into the forming die pipe, and the intermediate baffle connected through the spring is matched and pushed, so that the intermediate baffle moves downwards along the inside of the forming die pipe and finishes surface scraping cleaning of the outer side pipe, and the inner side pipe which can move to the outer side is matched and finishes surface cleaning of the inner side pipe outside, thereby ensuring that the inner surface and the outer surface of the plastic pipe are free of impurities during actual hot press forming, realizing beautiful actual forming, simultaneously avoiding the influence of attached solid impurities on the quality of the subsequent hot press forming of the plastic pipe, and having good use effect.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic cross-sectional view of a forming die tube and an inner tube of the present invention;
FIG. 3 is an enlarged schematic view of the structure shown at A in FIG. 2;
FIG. 4 is an exploded view of a forming die tube according to the present invention;
FIG. 5 is a schematic cross-sectional view of a forming die tube of the present invention;
FIG. 6 is a schematic view of the installation between the inner tube and the stationary tube of the present invention;
FIG. 7 is an exploded view of the stationary tube of the present invention;
FIG. 8 is a schematic view of an inner tube of the present invention;
FIG. 9 is an exploded view of the communication mechanism of the present invention;
fig. 10 is a schematic view of an intermediate baffle and arced tube of the present invention.
In the figure: 1. a mounting frame; 2. forming a mould tube; 3. installing a ring groove; 4. heating pipes; 5. a heat insulating sleeve; 6. an extrusion mechanism; 61. a first frame; 62. a lifting rod I; 63. an extrusion plate; 64. an arc groove; 7. a lifting mechanism; 71. a second frame; 72. a lifting rod II; 73. a side plate; 8. a middle partition plate; 9. an adapter hole; 10. a first ring groove; 11. an outer tube; 12. a connecting ring; 13. a bottom plate; 14. a fixed tube; 15. a fixing plate; 16. a mounting sleeve; 17. a fan blade; 18. a connecting rod; 19. a liquid inlet pipe; 20. an inner tube; 21. a communication mechanism; 211. a seal ring; 212. a communication ring; 213. a communication chamber; 214. a communication hole; 215. a curved hole; 216. a second ring groove; 217. a magnetic ring; 22. a through hole; 23. a cooling chamber; 24. a liquid outlet pipe; 25. an arc tube; 26. a fixed block; 27. a movable rod; 28. a spring; 29. a top aperture; 30. a third ring groove; 31. and a fixing ring.
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.
As shown in fig. 1 to 10, the embodiment of the invention provides a PVC plastic pipe hot pressing apparatus, which comprises a mounting frame 1 and a forming mold pipe 2, wherein the mounting frame 1 is fixedly connected with the forming mold pipe 2, an extrusion mechanism 6 is fixedly installed at the top of the mounting frame 1, a lifting mechanism 7 is fixedly installed at one side of the extrusion mechanism 6, a mounting ring groove 3 is provided at the outer surface of the forming mold pipe 2, a heating pipe 4 is fixedly installed inside the mounting ring groove 3, a middle partition 8 is movably sleeved inside the inner cavity of the forming mold pipe 2, a bottom plate 13 is fixedly connected at the bottom of the lifting mechanism 7, a fixed pipe 14 is fixedly connected at the top surface of the bottom plate 13, an inner side pipe 20 is rotatably sleeved inside the fixed pipe 14, a communicating mechanism 21 is fixedly sleeved at the outer surface of the inner side pipe 20, a fixed plate 15 is fixedly connected inside the fixed pipe 14, a mounting sleeve 16 is fixedly installed at the top surface of the fixed plate 15, the outer surface of the mounting sleeve 16 is rotationally sleeved with a fan blade 17, the top of the inner ring of the fan blade 17 is fixedly connected with a connecting rod 18, the upper end of the connecting rod 18 is fixedly connected with an inner side pipe 20, the inner wall of the forming die pipe 2 is provided with a first annular groove 10, the inner part of the first annular groove 10 is movably sleeved with an outer side pipe 11, the bottom end of the forming die pipe 2 is provided with an adapting hole 9, the inner surface of the adapting hole 9 is movably sleeved with a connecting ring 12, the top surface of the connecting ring 12 is fixedly connected with the outer side pipe 11, the communicating mechanism 21 comprises a sealing ring 211, a communicating ring 212, a communicating cavity 213, communicating holes 214, qu Kong 215, a second annular groove 216 and a magnetic ring 217, the magnetic ring 217 is fixedly sleeved in the second annular groove 216, the second annular groove 216 is arranged on the top surface of the sealing ring 211, the sealing ring 211 is fixedly sleeved on the outer surface of the inner side pipe 20, the inner surface of the second annular groove 216 is movably sleeved with the connecting ring 12, the connecting ring 12 is magnetically adsorbed with the magnetic ring 217, the outer surface fixed intercommunication of fixed pipe 14 has feed liquor pipe 19, cooling chamber 23 has been seted up to the bottom of moulded die pipe 2, cooling chamber 23's bottom is linked together with the intercommunication mechanism 21, the intercommunication mechanism 21 is linked together with inboard pipe 20, the outer surface fixed intercommunication of moulded die pipe 2 has drain pipe 24, the outer surface fixed of moulded die pipe 2 has cup jointed insulating sleeve 5, insulating sleeve 5 is located the outside of installation annular 3.
First embodiment: during hot press molding, the lifting mechanism 7 is started, the lifting rod 72 drives the side plate 73 to move upwards, the bottom plate 13 drives the fixed pipe 14 and the inner pipe 20 to move upwards and sleeve into the forming die pipe 2, the communication mechanism 21 seals the bottom of the forming die pipe 2, the ring groove 216 in the communication mechanism 21 is sleeved with the connecting ring 12 at the bottom of the outer pipe 11, the magnetic ring 217 is magnetically fixed with the connecting ring 12, the communication ring 212 in the communication mechanism 21 is sleeved into the cooling cavity 23 of the forming die pipe 2, raw material particles are thrown from the top of the forming die pipe 2, the raw material particles are placed at the top of the middle partition 8, the heating pipe 4 is started, the pressing mechanism 6 is started, the lifting rod 62 drives the pressing plate 63 to sleeve into the forming die pipe 2, the raw material particles absorb heat and deform into thermoplastic raw material, the lifting rod 62 is continuously started, the extrusion plate 63 gradually extrudes thermoplastic raw materials into the lower part of the middle partition plate 8 through the top hole 29 and gradually extrudes and fills the gap between the inner side pipe 20 and the outer side pipe 11, after the materials are extruded and filled, the extrusion shape is kept, external water flows are introduced into the liquid inlet pipe 19, high-speed water flows in the liquid inlet pipe 19 are introduced into the fixed pipe 14, the fan blades 17 are impacted upwards, the fan blades 17 rotate, the connecting rod 18 connected in a matched mode drives the inner side pipe 20 to rotate, the connecting mechanism 21 fixedly sleeved on the outer side of the inner side pipe 20 rotates along with the rotation of the inner side pipe 20, the connecting ring 12 adsorbed and fixed through the magnetic ring 217 is driven to rotate when the connecting mechanism 21 rotates, the connecting ring 12 drives the outer side pipe 11 movably sleeved inside the forming pipe 2 to rotate, the inner side pipe 20 of the inner surface of the plastic pipe to be formed and the outer side pipe 11 of the outer surface simultaneously rotate in the curing process, and the water conservancy that gets into inside pipe 20 fills in inside pipe 20 to in entering through hole 22 and Qu Kong 215 the communication ring 212 at communication mechanism 21 top, and rivers continue to give down fill to the cooling chamber 23 of moulded die pipe 2 inner wall, and with discharging through drain pipe 24, along with the plastic tubing internal and external surface rapid cooling and solidification shaping, start elevating system 7 and move down and reset, and along with inside pipe 20 remove the back from moulded die pipe 2, the shaping plastic tubing is direct to drop out from moulded die pipe 2 voluntarily, accomplish hot briquetting and ejection of compact.
Firstly, through utilizing elevating system 7 to control the upper and lower removal of inside pipe 20, and cover in moulded die pipe 2 and establish rotatable outside pipe 11, with thermoplastic raw materials extrusion packing between outside pipe 11 and inside pipe 20 during the shaping, and during cooling solidification shaping, the mobile rivers that cooperate to give promote the flabellum 17 in the fixed pipe 14 and rotate, cooperation rotation effect utilizes connecting rod 18 to realize the rotation of inside pipe 20, and utilize the go-between 12 of outside pipe 11 bottom surface to inhale fixedly with the magnetic ring 217 in the link mechanism 21 magnetism, when inside pipe 20 drives the rotation of link mechanism 21, cooperation go-between 12 realizes the rotation of outside pipe 11, thereby during cooling solidification shaping, make the outside pipe 11 outside the plastic tubing to be shaped and the inside pipe 20 of inboard simultaneously rotate, cool solidification under the relative motion of maintaining inside and outside surface, thereby guarantee that the plastic tubing after the shaping inside and outside surface can not bond, actually, after the bottom seal support of removing link mechanism 21 is accomplished, the automatic ejection of plastic tubing after the shaping, the ejection of compact difficulty condition that appears under the bonding fixation is effectively avoided, and simultaneously make damage outside surface and top surface are driven to the top surface, the hot pressing effect is convenient after the shaping is used in fact.
In addition, through utilizing the support location of intermediate baffle 8 cooperation inside pipe 20 for the moulded die pipe 2 is inside to be two sets of spaces from top to bottom, and upper portion space cooperation outside heating pipe 4 heats into thermoplastic raw materials, and the cooling chamber 23 in the lower part space cooperation outside accomplishes the cooling solidification, provide sufficient cooling module's arrangement, and when the rotation of cooperation power rivers completion inside pipe 20 and outside pipe 11, introduce power rivers into inside pipe 20 and cooling chamber 23, when making actual cooling solidification shaping, carry out the water-cooling from the inside and outside both sides of waiting the moulded plastic pipe, improved actual cooling solidification's efficiency greatly, improve hot briquetting efficiency, excellent in use effect.
As shown in fig. 1, fig. 2, fig. 3, fig. 6, fig. 8 and fig. 9, the communication ring 212 is fixedly connected with the top surface of the sealing ring 211, the communication cavity 213 is formed in the top plate of the communication ring 212, the communication hole 214 is formed in the bottom surface of the communication ring 212 and is communicated with the communication cavity 213, the curved hole 215 is formed in the inside of the sealing ring 211, the through hole 22 is formed in the outer surface of the inner side pipe 20, two ends of the curved hole 215 are respectively communicated with the through hole 22 and the communication hole 214, the pressing mechanism 6 comprises a first frame 61, a first lifting rod 62, a pressing plate 63 and an arc groove 64, the first frame 61 is fixedly mounted on the top of the mounting frame 1, the first lifting rod 62 is fixedly mounted on the inner side surface of the first frame 61, the pressing plate 63 is fixedly connected on the bottom surface of the first lifting rod 62, the arc groove 64 is formed on the outer surface of the pressing plate 63, the pressing plate 63 is located right above the forming die 2, the lifting mechanism 7 comprises a second frame 71, a second lifting rod 72 and a side plate 73, the second frame 71 is fixedly connected to the side surface of the first frame 61, the second lifting rod 72 is fixedly mounted on the inner side surface of the second frame 71, the second lifting rod 72 is fixedly connected to the bottom surface of the second lifting rod 73 is fixedly connected to the side plate 73, and the bottom plate is fixedly connected to the side plate 13.
In the use process, through holes 22 on the inner side pipe 20 are communicated with communication holes 214 at the bottom of the communication ring 212 through Qu Kong, so that fed power water is led into the communication ring 212 and is led into the cooling cavity 23, the cooling cavity 23 at the outer side and the inner space of the inner side pipe 20 at the inner side are matched, the inner and outer water cooling of the plastic pipe to be formed is completed, the cooling solidification efficiency is improved, the extrusion mechanism 6 provides extrusion thrust on one hand, the middle partition plate 8 is matched before hot pressing to realize cleaning of the inner wall of the outer side pipe 11 on the other hand, the lifting mechanism 7 is used for controlling lifting of the inner side pipe 20 and the communication mechanism 21, the sleeving and sleeving control of the inner side pipe 20 is completed, and the communication mechanism 21 is used for controlling the cooling cavity 23 and sealing the bottom of the forming die pipe 2.
As shown in fig. 1, fig. 2, fig. 5 and fig. 10, the inner surface of the forming die tube 2 is fixedly connected with an arc tube 25, a fixed block 26 is fixedly sleeved in the arc tube 25, a movable rod 27 is movably sleeved in the fixed block 26, the movable rod 27 is fixedly connected to the top surface of the middle partition plate 8, a spring 28 is fixedly connected between the middle partition plate 8 and the fixed block 26, top holes 29 are formed in the top surface of the middle partition plate 8, the top holes 29 are distributed at the top of the middle partition plate 8 in an annular equidistant manner, the inner diameter of the extrusion plate 63 is smaller than the inner diameter of the forming die tube 2, and the shape of the arc groove 64 is matched with the shape of the arc tube 25.
In the use, guarantee to seal spring 28 when carrying out granule raw materials and thermoplastic through utilizing arced tube 25, avoid influencing, and the elasticity of cooperation spring 28 stretches out and draws back, cooperation stripper plate 63 promotes intermediate head 8 to move down and accomplish outside pipe 11 inner wall cleanness before the hot pressing, and at convenient elasticity reset, arced tube 25 adaptation arc groove 64's shape, guarantee the stable sealed extrusion of stripper plate 63, top hole 29 is shielded by inboard pipe 20 when the hot pressing locally, reduce actual intercommunication size, guarantee that the granule raw materials of input does not fall out, allow simultaneously to impress when following thermoplastic raw materials extrudees.
As shown in fig. 2, 3, 4, 5, 7 and 8, the diameter of the adapting hole 9 is larger than the inner diameter of the forming die tube 2, the diameter of the adapting hole 9 is smaller than the diameter of the first ring groove 10, the inner diameter of the connecting ring 12 is the same as the inner diameter of the outer tube 11, the inner diameter of the outer tube 11 is the same as the inner diameter of the forming die tube 2, the third ring groove 30 is formed in the inner surface of the fixing tube 14, the fixing ring 31 is fixedly sleeved on the outer surface of the inner tube 20, and the outer surface of the fixing ring 31 is movably sleeved with the third ring groove 30.
In the use process, through controlling the dimensions of the adapting hole 9 and the first ring groove 10 and controlling the dimensional relationship between the connecting ring 12 and the outer side pipe 11, the connecting ring 12 is ensured to be positioned on the outer side of the plastic to be molded, and the outer side pipe 11 can be driven to stably rotate when being sleeved and magnetically attracted in the second ring groove 216, and the inner side pipe 20 can only rotate by utilizing the sleeving connection of the fixing ring 31 and the third ring groove 30, so that the following fixing pipe 14 is ensured to move up and down.
Second embodiment: before hot press forming, the inner tube 20 is kept to be positioned outside the forming die tube 2, the extruding mechanism 6 is started first, the extruding plate 63 is sleeved into the forming die tube 2 under the pushing of the lifting rod 62, gradually pushes downwards along the inner surface along the top of the forming die tube 2, drives the middle partition plate 8 to downwards move along the inner surface of the outer tube 11, scrapes dust or solid attachments on the inner surface of the outer tube 11 along with the stretching of the spring 28, and then resets the extruding plate 63, simultaneously wipes the surface of the inner tube 20 from the outer side before forming, and then carries out feeding hot press operation.
Firstly, the first lifting rod 62 in the extrusion mechanism 6 is utilized to drive the extrusion plate 63 to be sleeved into the forming die pipe 2, and the intermediate baffle 8 connected through the spring 28 is matched and pushed, so that the intermediate baffle 8 moves downwards along the inside of the forming die pipe 2 and the surface of the outer pipe 11 is scraped and cleaned, and the inner pipe 20 which can move to the outer side is matched and the surface of the inner pipe 20 is cleaned, thereby ensuring that the inner surface and the outer surface of the plastic pipe are free of impurities during actual hot press forming, ensuring that the actual forming is attractive, and simultaneously avoiding the influence of attached solid impurities on the quality of the hot press forming of the subsequent plastic pipe, and the use effect is good.
Working principle and using flow: before hot press forming, the inner side pipe 20 is kept at the outer part of the forming die pipe 2, the extruding mechanism 6 is started first, the extruding plate 63 is sleeved into the forming die pipe 2 under the pushing of the lifting rod 62, gradually pushes downwards along the inner surface along the top of the forming die pipe 2, drives the middle partition plate 8 to downwards move along the inner surface of the outer side pipe 11, scrapes dust or solid attachments on the inner surface of the outer side pipe 11 along with the stretching of the spring 28, and then the extruding plate 63 is reset, and simultaneously the surface of the inner side pipe 20 is wiped from the outer side before forming; during hot press molding, the lifting mechanism 7 is started, the lifting rod 72 drives the side plate 73 to move upwards, the bottom plate 13 drives the fixed pipe 14 and the inner pipe 20 to move upwards and sleeve into the forming die pipe 2, the communication mechanism 21 seals the bottom of the forming die pipe 2, the ring groove 216 in the communication mechanism 21 is sleeved with the connecting ring 12 at the bottom of the outer pipe 11, the magnetic ring 217 is magnetically fixed with the connecting ring 12, the communication ring 212 in the communication mechanism 21 is sleeved into the cooling cavity 23 of the forming die pipe 2, raw material particles are thrown from the top of the forming die pipe 2, the raw material particles are placed at the top of the middle partition 8, the heating pipe 4 is started, the pressing mechanism 6 is started, the lifting rod 62 drives the pressing plate 63 to sleeve into the forming die pipe 2, the raw material particles absorb heat and deform into thermoplastic raw material, the lifting rod 62 is continuously started, the extrusion plate 63 gradually extrudes thermoplastic raw materials into the lower part of the middle partition plate 8 through the top hole 29 and gradually extrudes and fills the gap between the inner side pipe 20 and the outer side pipe 11, after the materials are extruded and filled, the extrusion shape is kept, external water flows are introduced into the liquid inlet pipe 19, high-speed water flows in the liquid inlet pipe 19 are introduced into the fixed pipe 14, the fan blades 17 are impacted upwards, the fan blades 17 rotate, the connecting rod 18 connected in a matched mode drives the inner side pipe 20 to rotate, the connecting mechanism 21 fixedly sleeved on the outer side of the inner side pipe 20 rotates along with the rotation of the inner side pipe 20, the connecting ring 12 adsorbed and fixed through the magnetic ring 217 is driven to rotate when the connecting mechanism 21 rotates, the connecting ring 12 drives the outer side pipe 11 movably sleeved inside the forming pipe 2 to rotate, the inner side pipe 20 of the inner surface of the plastic pipe to be formed and the outer side pipe 11 of the outer surface simultaneously rotate in the curing process, and the water conservancy that gets into inside pipe 20 fills in inside pipe 20 to in entering through hole 22 and Qu Kong 215 the communication ring 212 at communication mechanism 21 top, and rivers continue to give down fill to the cooling chamber 23 of moulded die pipe 2 inner wall, and with discharging through drain pipe 24, along with the plastic tubing internal and external surface rapid cooling and solidification shaping, start elevating system 7 and move down and reset, and along with inside pipe 20 remove the back from moulded die pipe 2, the shaping plastic tubing is direct to drop out from moulded die pipe 2 voluntarily, accomplish hot briquetting and ejection of compact.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a PVC plastic tubing hot press unit, includes mounting bracket (1) and moulded die pipe (2), its characterized in that: the utility model discloses a connecting rod, including mounting bracket (1) and moulded die pipe (2) fixed connection, the top fixed mounting of mounting bracket (1) has extrusion mechanism (6), one side fixed mounting of extrusion mechanism (6) has elevating system (7), mounting groove (3) have been seted up to the surface of moulded die pipe (2), the inside fixed mounting of mounting groove (3) has heating pipe (4), the inside movable sleeve in moulded die pipe (2) inner chamber is equipped with intermediate baffle (8), the bottom fixedly connected with bottom plate (13) of elevating system (7), bottom plate (13) top surface fixedly connected with fixed pipe (14), the inside rotation of fixed pipe (14) has cup jointed interior side pipe (20), the surface fixed of interior side pipe (20) has cup jointed communication mechanism (21), the inside of interior side pipe (20) movable cup jointed in moulded die pipe (2), the inside fixedly connected with fixed plate (15) of fixed pipe (14), the top surface fixed mounting of fixed plate (15) has installation cover (16), the surface rotation of installation cover (16) has cup jointed (17), the inside fixed connection of connecting rod (18) of inner race (18), the inner wall of the forming die pipe (2) is provided with a first annular groove (10), the inner part of the first annular groove (10) is movably sleeved with an outer side pipe (11), the bottom end of the forming die pipe (2) is provided with an adapting hole (9), the inner surface of the adapting hole (9) is movably sleeved with a connecting ring (12), the top surface of the connecting ring (12) is fixedly connected with the outer side pipe (11), the communicating mechanism (21) comprises a sealing ring (211), a communicating ring (212), a communicating cavity (213), a communicating hole (214), qu Kong (215), a second annular groove (216) and a magnetic ring (217), the magnetic ring (217) is fixedly sleeved in the second annular groove (216), the second annular groove (216) is arranged on the top surface of the sealing ring (211), the sealing ring (211) is fixedly sleeved on the outer surface of the inner side pipe (20), the inner surface of the second annular groove (216) is movably sleeved with the connecting ring (12), the connecting ring (12) is magnetically adsorbed with the magnetic ring (217), the outer surface of the fixed pipe (14) is fixedly communicated with the outer surface of the sealing ring (211), the cooling mechanism (23) is fixedly communicated with the bottom of the forming die pipe (21), the cooling mechanism (23) is communicated with the bottom of the cooling mechanism (23), the outer surface of the forming die pipe (2) is fixedly communicated with a liquid outlet pipe (24), a heat insulation sleeve (5) is sleeved on the outer surface of the forming die pipe (2), and the heat insulation sleeve (5) is positioned on the outer side of the mounting ring groove (3).
2. A PVC plastic pipe hot press according to claim 1, wherein: the utility model discloses a high-pressure oil pump, including connecting ring (212), roof at connecting ring (212) is seted up to connecting chamber (213), connecting hole (214) are seted up at the bottom surface of connecting ring (212) and are linked together with connecting chamber (213), qu Kong (215) are seted up in the inside of sealing ring (211), through-hole (22) have been seted up to the surface of inboard pipe (20), the both ends of Qu Kong (215) are linked together with through-hole (22) and connecting hole (214) respectively.
3. A PVC plastic pipe hot press according to claim 1, wherein: the extrusion mechanism (6) comprises a first frame (61), a lifting rod (62), an extrusion plate (63) and an arc groove (64), wherein the first frame (61) is fixedly arranged at the top of the mounting frame (1), the lifting rod (62) is fixedly arranged on the inner side surface of the first frame (61), the extrusion plate (63) is fixedly connected to the bottom surface of the lifting rod (62), the arc groove (64) is formed in the outer surface of the extrusion plate (63), and the extrusion plate (63) is located right above the forming die pipe (2).
4. A PVC plastic pipe hot press according to claim 1, wherein: elevating system (7) are including No. two frame (71), no. two lifter (72) and curb plate (73), no. two frame (71) fixed connection are on the side of No. one frame (61), no. two lifter (72) fixed mounting are on the medial surface of No. two frame (71), curb plate (73) fixed connection is on the bottom surface of No. two lifter (72), curb plate (73) and bottom plate (13) fixed connection.
5. A PVC plastic pipe hot press according to claim 1, wherein: the forming die is characterized in that an arc-shaped pipe (25) is fixedly connected to the inner surface of the forming die pipe (2), a fixed block (26) is fixedly sleeved in the arc-shaped pipe (25), a movable rod (27) is movably sleeved in the fixed block (26), the movable rod (27) is fixedly connected to the top surface of the middle partition plate (8), and a spring (28) is fixedly connected between the middle partition plate (8) and the fixed block (26).
6. A PVC plastic pipe hot press according to claim 1, wherein: top holes (29) are formed in the top surface of the middle partition plate (8), and the top holes (29) are distributed at the top of the middle partition plate (8) in an annular equidistant mode.
7. A PVC plastic pipe hot press according to claim 4, wherein: the inner diameter of the extrusion plate (63) is smaller than that of the forming die tube (2), and the shape of the arc groove (64) is matched with that of the arc tube (25).
8. A PVC plastic pipe hot press according to claim 1, wherein: the diameter of the adapting hole (9) is larger than the inner diameter of the forming die pipe (2), the diameter of the adapting hole (9) is smaller than the diameter of the first ring groove (10), the inner diameter of the connecting ring (12) is the same as the inner diameter of the outer pipe (11), and the inner diameter of the outer pipe (11) is the same as the inner diameter of the forming die pipe (2).
9. A PVC plastic pipe hot press according to claim 1, wherein: the inner surface of the fixed pipe (14) is provided with a third annular groove (30), the outer surface of the inner pipe (20) is fixedly sleeved with a fixed ring (31), and the outer surface of the fixed ring (31) is movably sleeved with the third annular groove (30).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310454949.8A CN116442453B (en) | 2023-04-25 | 2023-04-25 | PVC plastic tubing hot press unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310454949.8A CN116442453B (en) | 2023-04-25 | 2023-04-25 | PVC plastic tubing hot press unit |
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| CN116442453B CN116442453B (en) | 2023-12-01 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB656725A (en) * | 1947-02-18 | 1951-08-29 | Polymer Corp | Improvements in or relating to apparatus for moulding plastic materials to elongatedshapes |
| FR1361774A (en) * | 1963-07-05 | 1964-05-22 | Inovac Sa | Device intended for the manufacture of corrugated thermoplastic tubes |
| GB1417645A (en) * | 1972-03-15 | 1975-12-10 | Pennwalt Corp | Variable volume and controlled density forming mechanism for compression moulding presses |
| US3971875A (en) * | 1974-01-04 | 1976-07-27 | General Dynamics Corporation | Apparatus and method for vacuum hot press joining, compacting and treating of materials |
| US6007315A (en) * | 1996-10-24 | 1999-12-28 | Sacmi Cooperative Meccanici Imola S.C.R.L. | Apparatus for molding a plastic seal inside a closure for closing a container |
| CN102837412A (en) * | 2012-09-21 | 2012-12-26 | 台州市黄岩凯普机械有限公司 | Equipment for processing plastic bottle cap by extrusion compression molding |
-
2023
- 2023-04-25 CN CN202310454949.8A patent/CN116442453B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB656725A (en) * | 1947-02-18 | 1951-08-29 | Polymer Corp | Improvements in or relating to apparatus for moulding plastic materials to elongatedshapes |
| FR1361774A (en) * | 1963-07-05 | 1964-05-22 | Inovac Sa | Device intended for the manufacture of corrugated thermoplastic tubes |
| GB1417645A (en) * | 1972-03-15 | 1975-12-10 | Pennwalt Corp | Variable volume and controlled density forming mechanism for compression moulding presses |
| US3971875A (en) * | 1974-01-04 | 1976-07-27 | General Dynamics Corporation | Apparatus and method for vacuum hot press joining, compacting and treating of materials |
| US6007315A (en) * | 1996-10-24 | 1999-12-28 | Sacmi Cooperative Meccanici Imola S.C.R.L. | Apparatus for molding a plastic seal inside a closure for closing a container |
| CN102837412A (en) * | 2012-09-21 | 2012-12-26 | 台州市黄岩凯普机械有限公司 | Equipment for processing plastic bottle cap by extrusion compression molding |
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| CN116442453B (en) | 2023-12-01 |
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