CN213860446U - Mould is used in plastic tubing production - Google Patents
Mould is used in plastic tubing production Download PDFInfo
- Publication number
- CN213860446U CN213860446U CN202022599221.9U CN202022599221U CN213860446U CN 213860446 U CN213860446 U CN 213860446U CN 202022599221 U CN202022599221 U CN 202022599221U CN 213860446 U CN213860446 U CN 213860446U
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- China
- Prior art keywords
- lower die
- groove
- rocker
- mold
- processing
- 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.)
- Expired - Fee Related
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- 239000004033 plastic Substances 0.000 title claims abstract description 28
- 229920003023 plastic Polymers 0.000 title claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 238000007789 sealing Methods 0.000 claims description 19
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 2
- 239000012535 impurity Substances 0.000 abstract description 7
- 238000001816 cooling Methods 0.000 abstract description 6
- 239000000428 dust Substances 0.000 abstract description 3
- 239000012943 hotmelt Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000000243 solution Substances 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to the technical field of plastic pipe application, and discloses a mold for producing a plastic pipe, which comprises a processing table, the processing table is provided with a rectangular processing groove in a jacking way, a top plate is arranged above the processing table, the top of the top plate is fixedly connected with an externally driven movable rod, after cooling, the moving rod drives the top plate to move upwards, the moving rod drives the upper die table to leave the inside of the treatment tank, the forming die in the lower die cavity is taken out at the moment, the two telescopic rods contract, the rocker rod rotates, the rocker rod drives the lower die cavity at the lower side to move upwards, the notch of the lower die cavity processed at the last time faces downwards, dust or hot-melted impurities in the lower die cavity with the downward notch freely fall downwards, simultaneously, the fan accelerates the temperature of the notch downwards, the inner impurities of the lower die cavity automatically fall, and the inner parts of the lower die cavity are clean and free of impurities next time.
Description
Technical Field
The invention relates to the technical field of plastic pipe application, in particular to a mold for producing a plastic pipe.
Background
Plastic pipes are generally produced by extruding synthetic resins, i.e. polyester, as a raw material in a pipe making machine by means of a "plastic" method, wherein the plastic pipes are classified into thermoplastic plastic pipes and thermosetting plastic pipes. The thermoplastic material includes polyvinyl chloride pipe, polyethylene pipe, polypropylene pipe, polyformaldehyde pipe, etc.; belongs to thermosetting phenolic plastic pipes and the like.
After the existing plastic pipe is produced and injected for a long time, the mold is taken out after being cooled, and when the next processing is injected, a new hot melting solution is injected into the interior of the mold cavity, so that the mold cavity is in a heated state for a long time, the shape of the interior of the mold can be influenced, the structure of the existing cooling device is complex, and the mold is used for producing the plastic pipe while the injection molding hot melting and cooling are influenced.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the mold for producing the plastic pipe, which has the advantages of fast heat dissipation, no influence on the service life and the like, and solves the problems.
(II) technical scheme
In order to achieve the above purpose, the invention provides the following technical scheme: a mold for producing a plastic pipe comprises a processing table, wherein a rectangular processing groove is formed in the top of the processing table, a top plate is arranged above the processing table, an externally driven moving rod is fixedly connected to the top of the top plate, an upper mold table is fixedly installed on the bottom surface of the top plate, an upper mold groove is formed in the bottom surface of the upper mold table, an injection hole communicated with the upper mold groove is formed in the top of the top plate, a movable hole is formed in the rear side wall surface of the processing table, a rocker is movably installed in the movable hole through a bearing and extends forwards to the inside of the processing groove, a rotatable lower mold table is movably connected to the inside of the processing groove through the rocker, two lower mold grooves are formed in two sides of the lower mold table, which are far away from each other, two clamping grooves are symmetrically formed in the other two sides of the lower mold table, two telescopic rods are symmetrically installed on the left and right sides of the inner wall surface of the processing groove, and two sealing grooves are formed in the same side wall surfaces of the lower mold table and the lower mold groove, two sealing plates are fixedly arranged on the bottom surface of the upper die table;
two spacing grooves are formed in the top of the machining table, springs are fixedly mounted on the bottom surfaces of the inner portions of the spacing grooves, two pressing rods are fixedly mounted on the bottom surface of the top plate, and the two pressing rods and the two spacing grooves correspond to each other from top to bottom.
Preferably, the upper die table and the treatment tank are vertically corresponding to each other, the cross section of the upper die table is matched with the inner cross section of the treatment tank, nine fans are fixedly mounted on the inner bottom surface of the treatment tank, and the nine fans are distributed on the bottom surface of the treatment tank in an array manner.
Preferably, the telescopic rod and the clamping groove correspond to each other, and the outer diameter of the telescopic rod is the same as the inner diameter of the clamping groove.
Preferably, the size of the inside of each sealing groove is matched with the size of the corresponding sealing plate, and the two sealing plates are clamped with the corresponding two sealing grooves.
Preferably, the rocker is made of stainless steel, and an external thread is formed on the outer wall surface of the rear side of the rocker.
Preferably, the lower die table is of a rectangular structure, and the cross section of the lower die table is one third larger than that of the processing groove.
(III) advantageous effects
Compared with the prior art, the invention provides a mold for producing a plastic pipe, which has the following beneficial effects:
1. this mould is used in plastic tubing production, after the cooling, the carriage release lever drives roof rebound, the carriage release lever drives the inside that the platform left the treatment trough, take out the inside forming die of lower die cavity this moment, two telescopic links shrink, rotatory rocker, the rocker drives the downside die cavity and removes the top down, the lower die cavity notch of last processing this moment is down, the downward free fall of impurity behind the inside dust of lower die cavity or the hot melt of notch down, the notch is cooled down to the inside of lower die cavity downwards with higher speed upwards simultaneously to the fan, promote the automatic falling of the inside impurity of lower die cavity simultaneously, guarantee next time the inside clean no impurity of die cavity, the opposite side die cavity is rotated the upside by the rocker and is received new round of injection hot melt simultaneously, improve mould life.
2. This mould is used in plastic tubing production through being provided with two seal grooves and closing plate, and the seal groove plays the secondary seal effect with the closing plate in last die cavity and lower die cavity outside, avoids the mould to use the back for a long time, goes up the die cavity and corresponds down and have the condition emergence that the clearance leads to the injection molding solution to leak between the die cavity.
3. This mould is used in plastic tubing production, through being provided with spacing groove, spring and depression bar, when two depression bar joint down to the spacing inslot portion, the spring receives the depression bar extrusion to take place deformation, and spring self elastic deformation resilience force slows down depression bar downward pressure, avoids the carriage release lever to drive the roof and moves down the condition emergence of too fast and processing platform top bump.
Drawings
FIG. 1 is a front sectional view of a mold for producing a plastic pipe according to the present invention;
FIG. 2 is a side sectional view of the mold tooling table for the production of plastic tubing in accordance with the present invention;
FIG. 3 is an enlarged view of the point A in FIG. 1;
fig. 4 is an enlarged schematic view of B in fig. 1.
In the figure: 1. a processing table; 2. a treatment tank; 3. a top plate; 4. a travel bar; 5. feeding a die table; 6. feeding a die cavity; 7. an injection hole; 8. a lower die table; 9. a lower die cavity; 10. a card slot; 11. a telescopic rod; 12. a fan; 13. a movable hole; 14. a rocker; 15. a limiting groove; 16. a spring; 17. a pressure lever; 18. a sealing groove; 19. and (7) sealing the plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a mold for producing plastic pipes comprises a processing table 1, the processing table 1 is rectangular, a rectangular processing tank 2 is disposed on the top of the processing table 1, a top plate 3 is disposed above the processing table 1, the top plate 3 is rectangular, an externally driven moving rod 4 is fixedly connected to the top of the top plate 3, the moving rod 4 drives the top plate 3 to move up and down, an upper mold table 5 is fixedly mounted on the bottom surface of the top plate 3, the upper mold table 5 is rectangular, the upper mold table 5 and the processing tank 2 correspond to each other up and down, the cross section of the upper mold table 5 is adapted to the inner cross section of the processing tank 2, nine fans 12 are fixedly mounted on the inner bottom surface of the processing tank 2, the nine fans 12 are distributed in an array on the bottom surface of the processing tank 2, the fans 12 are not used in the prior art, an upper mold tank 6 is disposed on the bottom surface of the upper mold table 5, an injection hole 7 communicated with the upper mold tank 6 is disposed on the top of the top plate 3, the injection hole 7 is a circular through hole, the rear side wall surface of the processing table 1 is provided with a movable hole 13, the movable hole 13 is a circular through hole, a rocker 14 is movably arranged in the movable hole 13 through a bearing, the rocker 14 is made of stainless steel, the outer wall surface of the rear side of the rocker 14 is provided with an outer thread, the outer thread on the rocker 14 has an anti-skid effect, the outer thread on the rocker 14 can be connected with other driving motors and other equipment, the rocker 14 extends forwards into the processing tank 2, the inside of the processing tank 2 is movably connected with a rotatable lower die table 8 through the rocker 14, the lower die table 8 is of a rectangular structure, the section of the lower die table 8 is one third as large as that of the processing tank 2, the lower die table 8 is provided with two lower die grooves 9 far away from two sides, the other two sides of the lower die table 8 are symmetrically provided with two clamping grooves 10, and the inner, telescopic link 11 is cylindricly, and draw-in groove 10 is the circular shape groove, telescopic link 11 does not do here for current structure and gives unnecessary details, telescopic link 11 corresponds each other with draw-in groove 10, and the inside diameter size of 11 outside diameters of telescopic link is the same with draw-in groove 10, two seal grooves 18 have all been seted up with the same lateral wall face in lower mould groove 9 on the lower mould platform 8, two seal grooves 18 are the groove of rectangle, the bottom surface fixed mounting of going up mould platform 5 has two closing plates 19, closing plate 19 is the rectangle structure, the inside size of seal groove 18 and the big or small looks adaptation of closing plate 19 that corresponds, two closing plates 19 are in the same place with two seal groove 18 joints that correspond.
Two spacing grooves 15 have been seted up at the top of processing platform 1, and spacing groove 15 is the circular recess, and the inside bottom surface fixed mounting of spacing groove 15 has spring 16, and spring 16 does not do the repeated description here for current structure, and the bottom surface fixed mounting of roof 3 has two depression bars 17, and depression bar 17 is cylindricly, and two depression bars 17 correspond each other from top to bottom with two spacing grooves 15.
The working principle is as follows:
when using, through being provided with rocker 14, draw-in groove 10 and telescopic link 11, manual rotatory rocker 14 or external connection servo motor, it is rotatory to drive rocker 14, rocker 14 drives down the moulding stage 8 rotatory with two draw-in grooves 10 and two telescopic links 11 correspond, start two telescopic links 11 this moment and be close to the inside of flexible joint at corresponding draw-in groove 10 towards each other, two telescopic links 11 fix moulding stage 8 in the inside of treatment trough 2 down, carriage release lever 4 drives roof 3 downstream this moment, roof 3 drives the inside of moulding stage 5 downwardly extending to treatment trough 2, the in-process of roof 3 downstream this moment, through being provided with spacing groove 15, spring 16 and depression bar 17, when two depression bar 17 block down to the spacing groove 15 inside, spring 16 receives depression bar 17 extrusion and takes place deformation.
Meanwhile, when the upper mold cavity 6 and the corresponding lower mold cavity 9 are mutually sealed, two sealing grooves 18 and sealing plates 19 are arranged, and the sealing grooves 18 and the sealing plates 19 perform secondary sealing outside the upper mold cavity 6 and the lower mold cavity 9.
After last chase 6 and the sealed back of lower chase 9 that corresponds, hot melt plastics are from the inside of injection hole 7 filling hole 7, start fan 12, fan 12 is bloied upwards and is played cooling effect with higher speed to hot melt plastics on lower bolster 8, after the cooling, carriage release lever 4 drives roof 3 rebound, carriage release lever 4 drives the inside that last chase 5 left treatment tank 2, take out the inside forming die in lower chase 9 this moment, two telescopic links 11 shrink, rotation rocker 14, chase 9 moves the top under rocker 14 drives the downside, 9 notches of lower chase 9 of last processing this moment are down, downward free fall of impurity after the inside dust of lower chase 9 or the hot melt of notch down.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a mould is used in plastic tubing production, includes processing platform (1), processing platform (1) backs down and is equipped with treatment trough (2) of rectangle, processing platform (1) top is provided with roof (3), roof (3) top fixedly connected with external drive's carriage release lever (4), its characterized in that: an upper die table (5) is fixedly mounted on the bottom surface of the top plate (3), an upper die groove (6) is formed in the bottom surface of the upper die table (5), an injection hole (7) communicated with the upper die groove (6) is formed in the top of the top plate (3), a movable hole (13) is formed in the rear side wall surface of the processing table (1), a rocker (14) is movably mounted in the movable hole (13) through a bearing, the rocker (14) extends forwards into the processing groove (2), the processing groove (2) is movably connected with a rotatable lower die table (8) through the rocker (14), the lower die table (8) is far away from two sides and is provided with two lower die grooves (9), the other two sides of the lower die table (8) are symmetrically provided with two clamping grooves (10), the inner wall surface of the processing groove (2) is bilaterally symmetrically provided with two telescopic rods (11), and the same side wall surface of the lower die table (8) and the lower die groove (9) is provided with two sealing grooves (18), two sealing plates (19) are fixedly arranged on the bottom surface of the upper die table (5);
two spacing grooves (15) have been seted up at the top of processing platform (1), the inside bottom surface fixed mounting of spacing groove (15) has spring (16), the bottom surface fixed mounting of roof (3) has two depression bars (17), and two depression bars (17) correspond each other from top to bottom with two spacing grooves (15).
2. A mold for producing a plastic pipe according to claim 1, wherein: go up the moulding stage (5) and correspond each other from top to bottom with treatment trough (2), and go up the cross section of moulding stage (5) and the inside cross section looks adaptation of treatment trough (2), and the inside bottom surface fixed mounting of treatment trough (2) has nine fans (12), and nine fans (12) are the array distribution at the bottom surface of treatment trough (2).
3. A mold for producing a plastic pipe according to claim 1, wherein: the telescopic rod (11) and the clamping groove (10) correspond to each other, and the size of the outer diameter of the telescopic rod (11) is the same as that of the inner diameter of the clamping groove (10).
4. A mold for producing a plastic pipe according to claim 1, wherein: the size of the inner part of the sealing groove (18) is matched with the size of the corresponding sealing plate (19), and the two sealing plates (19) are clamped with the two corresponding sealing grooves (18).
5. A mold for producing a plastic pipe according to claim 1, wherein: the rocker (14) is made of stainless steel, and an external thread is formed on the outer wall surface of the rear side of the rocker (14).
6. A mold for producing a plastic pipe according to claim 1, wherein: the lower die table (8) is of a rectangular structure, and the section of the lower die table (8) is one third as large as that of the processing groove (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022599221.9U CN213860446U (en) | 2020-11-11 | 2020-11-11 | Mould is used in plastic tubing production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022599221.9U CN213860446U (en) | 2020-11-11 | 2020-11-11 | Mould is used in plastic tubing production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213860446U true CN213860446U (en) | 2021-08-03 |
Family
ID=77055182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022599221.9U Expired - Fee Related CN213860446U (en) | 2020-11-11 | 2020-11-11 | Mould is used in plastic tubing production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213860446U (en) |
-
2020
- 2020-11-11 CN CN202022599221.9U patent/CN213860446U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210803 |
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| CF01 | Termination of patent right due to non-payment of annual fee |