CN210389974U - Flow distribution plate structure of plastic mold hot runner - Google Patents

Flow distribution plate structure of plastic mold hot runner Download PDF

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Publication number
CN210389974U
CN210389974U CN201920655134.5U CN201920655134U CN210389974U CN 210389974 U CN210389974 U CN 210389974U CN 201920655134 U CN201920655134 U CN 201920655134U CN 210389974 U CN210389974 U CN 210389974U
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CN
China
Prior art keywords
flow distribution
plate
distribution plate
heating jacket
last
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Expired - Fee Related
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CN201920655134.5U
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Chinese (zh)
Inventor
梁杰
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Shenzhen Kesimei Plastic Mould Co Ltd
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Shenzhen Kesimei Plastic Mould Co Ltd
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Priority to CN201920655134.5U priority Critical patent/CN210389974U/en
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Publication of CN210389974U publication Critical patent/CN210389974U/en
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Abstract

The utility model discloses a flow distribution plate structure of a plastic mold hot runner, which comprises an upper flow distribution plate, a lower flow distribution plate is arranged at the bottom end of the upper flow distribution plate, an upper semicircular groove is arranged at the bottom end of the upper flow distribution plate, a lower semicircular groove is arranged at the top end of the lower flow distribution plate, a lower heating plate is arranged in the lower semicircular groove, a lower convex block is fixed on the outer surface of the lower heating plate, an upper heating plate is arranged at the top end of the lower heating plate, an upper convex block is fixed on the outer surface of the upper heating plate, a flow distribution pipe is arranged in the lower heating plate, an injection point nozzle connecting ring is fixed at the top end of the flow distribution pipe, a first heating sleeve is arranged on the surface of the injection point nozzle connecting ring, a main flow channel nozzle connecting ring is fixed in the middle of the top end of the flow distribution pipe, a second heating sleeve is arranged on the surface of the, the temperature of the surfaces of the upper splitter plate and the lower splitter plate is reduced, and the production safety is improved.

Description

Flow distribution plate structure of plastic mold hot runner
Technical Field
The utility model relates to a flow distribution plate technical field of mould hot runner specifically is a flow distribution plate structure of plastic mould hot runner.
Background
The flow distribution plate is used in one mold with multiple cavities or multiple points for feeding, and is the central part of hot runner system to distribute the molten plastic from the main runner nozzle to the injection nozzles via the flow distribution channels.
Chinese invention patent application publication No. CN208232228U, 12 and 14 months in 2018, discloses a flow distribution plate for a hot runner mold, which comprises a flow distribution plate main body, wherein a main runner nozzle connection ring and an injection point nozzle connection ring are fixedly connected to an outer surface of an upper end of the flow distribution plate main body, the injection point nozzle connection ring is located on one side of the main runner nozzle connection ring, a through hole is formed in one side of the injection point nozzle connection ring, a fixing port and a groove are formed in an outer surface of an upper end of the flow distribution plate main body, which is located on one side of the main runner nozzle connection ring, and an outer surface of a front end of the groove is fixedly connected to an outer surface of a rear end of. A flow distribution plate for hot runner mold, be equipped with fixed block, heat pipe, heater strip and connecting block, can quick replacement injection point nozzle connecting ring, it is more convenient to change moreover to can the free choice heating methods, can also prevent the injury that the frequent business turn over heat pipe of heating rod caused the flow distribution plate connector, bring better use prospect.
However, although the heating mode of the splitter plate structure of the existing plastic mold hot runner can be freely selected, the splitter plates are not uniformly heated in the splitter plate, the plastic melt is affected, the mold quality is finally affected, the splitter plates are heated to expand when the plastic melt flows through, and then are cooled to expand and contract, and the gaps are too large, so that the precise positions of the injection point nozzle connecting ring and the injection point nozzle are affected.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a flow distribution plate structure of plastic mould hot runner to solve the inhomogeneous problem of heating that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a flow distribution plate structure of plastic mould hot runner, includes the flow distribution plate, the flow distribution plate is installed down to the bottom of going up the flow distribution plate, it has last semicircle trough to open the bottom of going up the flow distribution plate, the top of flow distribution plate is opened down has lower semicircle trough, the internally mounted of lower semicircle trough has down the hot plate, the fixed surface of hot plate has lower lug down, the hot plate is installed on the top of hot plate down, the fixed surface of going up the hot plate has last lug, the internally mounted of hot plate has the shunt tubes down, the top of shunt tubes is fixed with injection point nozzle clamping ring, the surface mounting of injection point nozzle clamping ring has first heating jacket, be fixed with the nozzle clamping ring in the middle of the top of shunt tubes, the surface mounting of main runner nozzle clamping ring has the second heating jacket.
Preferably, the top end of the upper splitter plate is provided with an injection point nozzle connecting ring hole, the middle of the top end of the upper splitter plate is provided with a main runner nozzle connecting ring hole, the first heating sleeve and the second heating sleeve are both fixed at the top end of the upper heating plate, the first heating sleeve penetrates through the injection point nozzle connecting ring hole and is connected with the upper splitter plate, and the second heating sleeve penetrates through the main runner nozzle connecting ring hole and is connected with the upper splitter plate.
Preferably, last semicircular groove equals and makes up into the circular slot with lower semicircular groove radius, lug and last lug are the hemisphere down, the top of lug and last lug and the internal surface contact of lower semicircular groove and last semicircular groove down, the cross-section of lower hot plate and last hot plate is semicircular and the radius equals, the internal diameter of hot plate equals with the external diameter of shunt tubes down, first heating jacket and second heating jacket are cylindrical cover, the internal diameter of first heating jacket equals with the external diameter of injection point nozzle clamping ring, the internal diameter of second heating jacket equals with the external diameter of sprue nozzle clamping ring.
Preferably, the edge surface of flow distribution plate has opened the leak protection groove down, the edge protrusion of flow distribution plate has down the flange down, the edge protrusion of going up the flow distribution plate has the upper flange, the top of upper flange has passed first bolt, first bolt passes the through-hole that the upper flange was reserved and the screw hole threaded connection that the lower flange was reserved, the side-mounting of going up flow distribution plate and flow distribution plate down has the apron, the surface of apron has passed the second bolt, the second bolt passes the through-hole that the apron was reserved and the screw hole threaded connection that the flow distribution plate was reserved under with last flow distribution plate.
Preferably, first heating jacket and second heating jacket all are perpendicular with last flow distribution plate, the height of first heating jacket and second heating jacket all does not exceed the surface of last flow distribution plate, the injection point nozzle coupling circle and sprue nozzle coupling circle all wear out the surface of last flow distribution plate.
Compared with the prior art, the beneficial effects of the utility model are that: this reposition of redundant personnel plate structure of plastic mould hot runner, 1, adopt hot plate and hot plate parcel shunt tubes down, make the inside plastic melt body of shunt tubes be heated comprehensively, moreover, at the first heating jacket of the surface mounting and the second heating jacket of injection point nozzle clamping ring and sprue nozzle clamping ring, the abundant heating plastic melt body.
2. Go up the hot plate and go up lug and lug down with hot plate external surface fixation, keep going up hot plate and lower hot plate and last flow distribution plate and down the clearance between the flow distribution plate, leave the inflation interval for the shunt tubes, reduce the contact surface between hot plate and lower hot plate and last flow distribution plate and the lower flow distribution plate in addition, reduce the heat dissipation of going up hot plate and lower hot plate, reduce the temperature on flow distribution plate and lower flow distribution plate surface, convenient operation.
3. The leakage-proof groove at the edge of the lower shunt plate prevents the shunt pipe from leaking plastic melt, and improves the production safety.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural view of the lower splitter plate of the present invention;
FIG. 3 is a schematic structural view of a portion of the upper splitter plate of the present invention;
fig. 4 is a sectional view taken along direction a of fig. 1 according to the present invention;
fig. 5 is a sectional view of the present invention taken along the direction B of fig. 1.
In the figure: 1. an upper spreader plate; 2. an upper flange; 3. a leakage-proof groove; 4. an upper semicircular groove; 5. a first bolt; 6. an upper bump; 7. a second bolt; 8. a cover plate; 9. an upper heating plate; 10. a lower heating plate; 11. a lower bump; 12. the injection point nozzle is connected with the ring hole; 13. a first heating jacket; 14. an injection point nozzle connecting ring; 15. a shunt tube; 16. the main runner nozzle is connected with the ring hole; 17. a second heating jacket; 18. a main runner nozzle connecting ring; 19. a lower spreader plate; 20. a lower semicircular groove; 21. a lower flange.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, fig. 2 and fig. 3, the present invention provides a technical solution: a flow distribution plate structure of a plastic mold hot runner comprises an upper flow distribution plate 1, a lower flow distribution plate 19 is installed at the bottom end of the upper flow distribution plate 1, the edges of the upper flow distribution plate 1 and the lower flow distribution plate 19 are parallel and level, the shapes of the upper flow distribution plate 1 and the lower flow distribution plate 19 are matched, an upper semicircular groove 4 is formed in the bottom end of the upper flow distribution plate 1, a lower semicircular groove 20 is formed in the top end of the lower flow distribution plate 19, the upper semicircular groove 4 and the lower semicircular groove 20 are equal in radius and are combined into a circular groove for installing a flow distribution pipe 15, a lower heating plate 10 is installed inside the lower semicircular groove 20, a lower convex block 11 is fixed on the outer surface of the lower heating plate 10, an upper convex block 6 is fixed on the outer surface of the upper heating plate 9, the lower convex block 11 and the upper convex block 6 are both hemispherical, high-temperature resistant materials are adopted by the lower convex block 11 and the upper convex block 6, the top ends of the lower convex block 11 and the upper convex, leave the inflation interval for shunt tubes 15, and reduce hot plate 9 and lower hot plate 10 and last flow distribution plate 1 and the contact surface between the flow distribution plate 19 down, reduce the heat dissipation of hot plate 9 and lower hot plate 10 down, reduce the temperature on flow distribution plate 1 and lower flow distribution plate 19 surface, convenient operation, the internally mounted of hot plate 10 has shunt tubes 15 down, hot plate 9 is installed on the top of hot plate 10 down, the cross-section of hot plate 10 and last hot plate 9 is semi-circular and the radius equals down, the internal diameter of hot plate 10 and the external diameter of shunt tubes 15 down equal, space internally mounted shunt tubes 15 that hot plate 10 and last hot plate 9 constitute down, go up hot plate 9 and lower hot plate 10 parcel shunt tubes 15, make the inside plastic melt of shunt tubes 15 comprehensively be heated.
Referring to fig. 1, 4 and 5, an injection point nozzle connecting ring 14 is fixed at the top end of a shunt tube 15, a first heating jacket 13 is installed on the surface of the injection point nozzle connecting ring 14, an injection point nozzle connecting ring hole 12 is opened at the top end of an upper shunt plate 1, the first heating jacket 13 passes through the injection point nozzle connecting ring hole 12 and is connected with the upper shunt plate 1, the inner diameter of the first heating jacket 13 is equal to the outer diameter of the injection point nozzle connecting ring 14, the first heating jacket 13 wraps the injection point nozzle connecting ring 14, a main runner nozzle connecting ring 18 is fixed at the middle of the top end of the shunt tube 15, a second heating jacket 17 is installed on the surface of the main runner nozzle connecting ring 18, a main runner nozzle connecting ring hole 16 is opened at the middle of the top end of the upper shunt plate 1, the second heating jacket 17 passes through the main runner nozzle connecting ring hole 16 and is connected with the upper shunt plate 1, the inner diameter of the second heating jacket 17 is equal to the outer diameter of the main runner nozzle, second heating jacket 17 parcel sprue nozzle clamping ring 18 fully heats the plastics fuse-element, first heating jacket 13 and second heating jacket 17 are all fixed on the top of last hot plate 9, first heating jacket 13 and second heating jacket 17 are cylindrical cover, first heating jacket 13 and second heating jacket 17 all are perpendicular with last flow distribution plate 1, the height of first heating jacket 13 and second heating jacket 17 all does not exceed the surface of last flow distribution plate 1, injection point nozzle clamping ring 14 and sprue nozzle clamping ring 18 all wear out the surface of last flow distribution plate 1, make things convenient for the sprue nozzle to be connected with sprue nozzle clamping ring 18, the injection point nozzle is connected with injection point nozzle clamping ring 14.
Referring to fig. 1 and 2, a leakage-proof groove 3 is formed on the edge surface of a lower splitter plate 19 for gathering leaked plastic melt to prevent the splitter plate 15 from damaging workers due to the leakage of the plastic melt, and to improve the production safety, a lower flange 21 is protruded from the edge of the lower splitter plate 19, an upper flange 2 is protruded from the edge of the upper splitter plate 1, a first bolt 5 is penetrated through the top end of the upper flange 2, the first bolt 5 is penetrated through a through hole reserved in the upper flange 2 and is in threaded connection with a threaded hole reserved in the lower flange 21, the upper splitter plate 1 and the lower splitter plate 19 are fixed, a cover plate 8 is installed on the side surfaces of the upper splitter plate 1 and the lower splitter plate 19 to seal the upper splitter plate 1 and the lower splitter plate 19 and block an upper heating plate 9 and a lower heating plate 10, a second bolt 7 is penetrated through the surface of the cover plate 8, the second bolt 7 is penetrated through a through hole reserved in the cover plate 8 and is in threaded connection with, the cover plate 8 is fixed with the upper and lower spreader plates 1, 19.
The utility model discloses when concrete implementation: firstly, a lower flow distribution plate 19 is placed, a lower heating plate 10 is installed inside a lower semicircular groove 20, a lower convex block 11 is in contact with the inner surface of the lower semicircular groove 20, a flow distribution pipe 15 is installed inside the lower heating plate 10, so that plastic melt inside the flow distribution pipe 15 is comprehensively heated, an injection point nozzle connecting ring 14 is fixed at the top end of the flow distribution pipe 15, a main runner nozzle connecting ring 18 is fixed in the middle of the top end of the flow distribution pipe 15, an upper heating plate 9 is covered, the injection point nozzle connecting ring 14 penetrates through a first heating sleeve 13, the main runner nozzle connecting ring 18 penetrates through a second heating sleeve 17, the plastic melt is fully heated, the upper flow distribution plate 1 is covered, an upper convex block 6 is in contact with the inner surface of an upper semicircular groove 4, an expansion space is reserved for the flow distribution pipe 15, the temperature of the surfaces of the upper flow distribution plate 1 and the lower flow distribution plate 19 is reduced, the operation is convenient, the injection, main runner nozzle clamping ring 18 and second heating jacket 17 pass main runner nozzle clamping ring hole 16, fasten flow distribution plate 1 and lower flow distribution plate 19 through first bolt 5, fasten apron 8 and last flow distribution plate 1 and lower flow distribution plate 19 through second bolt 7, be connected main runner nozzle and main runner nozzle clamping ring 18, the injection point nozzle is connected with injection point nozzle clamping ring 14, the plastic melt of main runner nozzle blowout passes through main runner nozzle clamping ring 18 and gets into shunt tubes 15, heat the inside plastic melt of shunt tubes 15 through last hot plate 9 and lower hot plate 10, first heating jacket 13 heats the inside plastic melt of injection point nozzle clamping ring 14, second heating jacket 17 heats the inside plastic melt of main runner nozzle clamping ring 18, shunt tubes 15 is heated the inflation, extrude upper lug 6 and lower boss 11 through upper hot plate 9 and lower hot plate 10.
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 (5)

1. The utility model provides a flow distribution plate structure of plastic mould hot runner, includes flow distribution plate (1), its characterized in that: lower splitter plate (19) is installed to the bottom of going up splitter plate (1), open the bottom of going up splitter plate (1) has last semicircle trough (4), lower semicircle trough (20) have been opened on the top of splitter plate (19), the internally mounted of lower semicircle trough (20) has lower hot plate (10), the externally fixed surface of hot plate (10) has lower lug (11), hot plate (9) is installed on the top of hot plate (10) down, the externally fixed surface of going up hot plate (9) has last lug (6), the internally mounted of hot plate (10) has shunt tubes (15) down, the top of shunt tubes (15) is fixed with injection point nozzle clamping ring (14), the surface mounting of injection point nozzle clamping ring (14) has first heating jacket (13), be fixed with sprue nozzle clamping ring (18) in the middle of the top of shunt tubes (15), and a second heating sleeve (17) is arranged on the surface of the main runner nozzle connecting ring (18).
2. The manifold structure of a plastic mold hot runner according to claim 1, wherein: go up the top of flow distribution plate (1) and open injection point nozzle connection circle hole (12), it has sprue nozzle connection circle hole (16) to go up the top centre of flow distribution plate (1), first heating jacket (13) and second heating jacket (17) are all fixed on the top of last hot plate (9), first heating jacket (13) pass injection point nozzle connection circle hole (12) and are connected with last flow distribution plate (1), second heating jacket (17) pass sprue nozzle connection circle hole (16) and are connected with last flow distribution plate (1).
3. The manifold structure of a plastic mold hot runner according to claim 1, wherein: last semicircular groove (4) and lower semicircular groove (20) radius equal and make up into the circular groove, lug (11) and last lug (6) are the hemisphere down, the top of lug (11) and last lug (6) down and the internal surface contact of semicircular groove (20) and last semicircular groove (4) down, the cross-section of hot plate (10) and last hot plate (9) is semi-circular and the radius equals down, the internal diameter of hot plate (10) equals with the external diameter of shunt tubes (15) down, first heating jacket (13) and second heating jacket (17) are cylindrical cover, the internal diameter of first heating jacket (13) equals with the external diameter of injection point nozzle clamping ring (14), the internal diameter of second heating jacket (17) equals with the external diameter of sprue nozzle clamping ring (18).
4. The manifold structure of a plastic mold hot runner according to claim 1, wherein: the utility model discloses a novel flow distribution plate, including lower flow distribution plate (19), lower flange (21) have been opened on the edge surface of lower flow distribution plate (19), the edge protrusion of upper flow distribution plate (1) has upper flange (2), first bolt (5) have been passed on the top of upper flange (2), through-hole and the screw hole threaded connection that lower flange (21) were reserved that upper flange (2) were passed in first bolt (5), the side-mounting of upper flow distribution plate (1) and lower flow distribution plate (19) has apron (8), the surface of apron (8) has passed second bolt (7), the through-hole that apron (8) were reserved is passed in second bolt (7) and the screw hole threaded connection that upper flow distribution plate (1) and lower flow distribution plate (19) were reserved.
5. The manifold structure of a plastic mold hot runner according to claim 1, wherein: first heating jacket (13) and second heating jacket (17) all are perpendicular with last flow distribution plate (1), the height of first heating jacket (13) and second heating jacket (17) all does not surpass the surface of last flow distribution plate (1), the surface of flow distribution plate (1) is all worn out in injection point nozzle clamping ring (14) and sprue nozzle clamping ring (18).
CN201920655134.5U 2019-05-07 2019-05-07 Flow distribution plate structure of plastic mold hot runner Expired - Fee Related CN210389974U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920655134.5U CN210389974U (en) 2019-05-07 2019-05-07 Flow distribution plate structure of plastic mold hot runner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920655134.5U CN210389974U (en) 2019-05-07 2019-05-07 Flow distribution plate structure of plastic mold hot runner

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Publication Number Publication Date
CN210389974U true CN210389974U (en) 2020-04-24

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116872452A (en) * 2023-09-08 2023-10-13 苏州翊琞实业有限公司 Hot runner flow distribution plate for plastic cover plate injection mold

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116872452A (en) * 2023-09-08 2023-10-13 苏州翊琞实业有限公司 Hot runner flow distribution plate for plastic cover plate injection mold
CN116872452B (en) * 2023-09-08 2023-12-01 苏州翊琞实业有限公司 Hot runner flow distribution plate for plastic cover plate injection mold

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200424

Termination date: 20210507

CF01 Termination of patent right due to non-payment of annual fee