CN217803013U

CN217803013U - High-sealing-performance injection mold for medical plastic parts

Info

Publication number: CN217803013U
Application number: CN202221530783.0U
Authority: CN
Inventors: 陆小林; 陈云; 夏阳
Original assignee: Tianjin Hongyuanhai Precision Mould Co ltd
Current assignee: Tianjin Hongyuanhai Precision Mould Co ltd
Priority date: 2022-06-20
Filing date: 2022-06-20
Publication date: 2022-11-15
Anticipated expiration: 2032-06-20

Abstract

The utility model discloses a medical working of plastics is with high leakproofness injection mold, including bottom plate, bed die, go up the mounting panel, go up mould and quick cooling body, bed die fixed connection is in the upper surface of bottom plate, and the upper surface of bottom plate just is located a plurality of hydraulic stems of the vertical fixedly connected with in outside of bed die, the utility model relates to an injection mold technical field. This medical high leakproofness injection mold for working of plastics, through setting up quick cooling body, including cooling box and cooling chamber in the quick cooling body, the cooling chamber sets up in the inside of bed die, the coolant liquid is at the inside circulation between them and flows, the cooling box passes through radiator fan and cools down the coolant liquid, later transmit to the inside in cooling chamber, guarantee with this that the temperature of the inside coolant liquid in cooling chamber can not be too high, can last cool off liquid plastics, accelerate its speed of cooling design, thereby improve holistic work efficiency, the device's practicality has also been improved.

Description

High-sealing-performance injection mold for medical plastic parts

Technical Field

The utility model relates to an injection mold technical field specifically is a medical working of plastics is with high leakproofness injection mold.

Background

The injection molding method has the advantages of high production speed, high efficiency, automation realization of operation, multiple designs and colors, simple and complex shapes, small size, accurate product size, easy replacement of products, capability of forming workpieces with complex shapes, suitability for the fields of mass production, products with complex shapes and the like.

The main tool in the injection molding process is an injection mold, when a product is processed, plastic particles are heated to be in a liquid state, then the plastic particles are extruded into the mold, and after the plastic particles are cooled and shaped in the mold, the product is processed, but the liquid plastic needs a longer cooling time, so that water is generally sprayed on the surface of the mold to accelerate the cooling, but the effect of improving the cooling speed by the method is not obvious.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a high leakproofness injection mold for medical working of plastics has solved the cooling time that liquid plastics need longer, so can generally spray water on the mould surface and accelerate its cooling, but the effect of the improvement cooling rate of this kind of method is not obvious problem.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a high-sealing injection mold for medical plastic parts comprises a lower fixing plate, a lower mold, an upper mounting plate, an upper mold and a rapid cooling mechanism;

the lower die is fixedly connected to the upper surface of the lower fixing plate, the upper surface of the lower fixing plate is vertically and fixedly connected with a plurality of hydraulic rods and positioned outside the lower die, the upper mounting plate is detachably arranged at the top ends of the plurality of hydraulic rods, the upper die is fixedly connected to the lower surface of the upper mounting plate, and the quick cooling mechanism is arranged outside the lower die;

the rapid cooling mechanism comprises a cooling box which is transversely and fixedly connected to the upper surface of the lower fixing plate, a hot liquid inlet and a cold liquid outlet are respectively communicated with the two ends of the cooling box, a plurality of radiating fins are fixedly connected to the outer surface of the cooling box, a radiating fan is fixedly connected to the outer ends of the radiating fins, a cooling cavity is formed in the lower die, the front end and the rear end of the interior of the cooling cavity are respectively communicated with the hot liquid outlet and the cold liquid inlet, a water pump is arranged at the outer end of the hot liquid outlet, a water inlet of the water pump is communicated with the hot liquid outlet, a water outlet of the water pump is communicated with a hot liquid pipe, the other end of the hot liquid pipe is communicated with the hot liquid inlet, and a cold liquid pipe is communicated between the cold liquid outlet and the cold liquid inlet.

Furthermore, a plurality of guide plates are arranged inside the cooling box in a staggered mode.

Further, every the equal vertical fixedly connected with threaded rod in top of hydraulic stem, the upper surface of going up the mounting panel link up and has seted up a plurality ofly and a plurality of the mounting hole of the corresponding and adaptation of threaded rod, every the threaded rod link up a plurality ofly respectively the mounting hole extends to go up the top of mounting panel upper surface, every the surface of threaded rod just is located the equal threaded connection in top of going up the mounting panel has the thread bush.

Further, a plurality of guide posts are fixedly connected to the upper surface of the lower die in a vertical mode, a plurality of guide posts are vertically arranged on the lower surface of the upper die, the guide posts are corresponding and matched and penetrate through the guide holes in the upper surface of the upper mounting plate, and the guide posts are multiple in penetrating through the guide holes and extend to the upper portion of the upper mounting plate.

Furthermore, every the top of guide post all is provided with spacing piece detachably.

Furthermore, the upper surface of going up the mounting panel is vertical to be seted up and to link up to go up the hole of moulding plastics and looking the liquid hole of mould bottom, the top intercommunication in hole of moulding plastics has the connecting pipe.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a high leakproofness injection mold for medical working of plastics, through setting up quick cooling body, add man-hour using this mould, start cooling body, water pump among the cooling body begins to operate, make the coolant liquid in cooling chamber and the cooling box keep circulating through hot liquid pipe and cold liquid pipe, at the endless in-process, the coolant liquid that the cooling intracavity is heated gets into behind the cooling box, cool down rapidly under radiator fan's effect and become the lower coolant liquid of temperature and get into the inside in cooling chamber once more through cold liquid pipe, guarantee with this that the temperature of the coolant liquid of cooling intracavity portion can not be too high, can last cool off liquid plastics, accelerate the speed of its cooling design, thereby improve holistic work efficiency, the device's practicality has also been improved.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is an external view of the present invention;

fig. 3 is a schematic diagram of the internal structure of the cooling box of the present invention.

In the figure: 1. a lower fixing plate; 2. a lower die; 3. an upper mounting plate; 4. an upper die; 5. a hydraulic rod; 6. a threaded rod; 7. mounting holes; 8. a threaded sleeve; 9. a guide post; 10. a guide hole; 11. a limiting sheet; 12. a cooling chamber; 13. a hot liquid outlet; 14. a cold liquid inlet; 15. a water pump; 16. a cooling box; 17. a hot liquid inlet; 18. a cold liquid outlet; 19. a baffle; 20. a hot liquid pipe; 21. a cold liquid pipe; 22. injection molding holes; 23. a connecting pipe; 24. and (4) a liquid viewing hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. 1-3, the present invention provides a technical solution: a high-sealing injection mold for medical plastic parts comprises a lower fixing plate 1, a lower mold 2, an upper mounting plate 3, an upper mold 4 and a rapid cooling mechanism;

2 fixed connection of bed die 2 in the upper surface of bed die 1, the upper surface of bed die 1 and be located a plurality of hydraulic stems 5 of the vertical fixedly connected with in outside of bed die 2, go up mounting panel 3 detachably and set up in the top of a plurality of hydraulic stems 5, go up 4 fixed connection of mould in the lower surface of last mounting panel 3, quick cooling body sets up in the outside of bed die 2.

Go up mould 4 and bed die 2 looks adaptation, both can closely merge together under the drive of a plurality of hydraulic stem 5, also under the pressure of a plurality of hydraulic stem 5 simultaneously, and the close contact between the two is higher in the leakproofness.

Quick cooling body includes cooling box 16 of horizontal fixed connection in 1 upper surface of bottom plate, cooling box 16's both ends link up respectively and have seted up hydrothermal solution import 17 and cold liquid export 18, cooling box 16's a plurality of fin 25 of outer fixed surface are connected with, the outer end fixedly connected with radiator fan 26 of a plurality of fin 25, cooling chamber 12 has been seted up to the inside of bed die 2, both ends link up respectively around cooling chamber 12 is inside and have seted up hydrothermal solution export 13 and cold liquid import 14, hydrothermal solution export 13's outer end is provided with water pump 15, water pump 15's water inlet and hydrothermal solution export 13 intercommunication, water pump 15's delivery port intercommunication has hot liquid pipe 20, hydrothermal solution pipe 20's the other end and hydrothermal solution import 17 intercommunication, the intercommunication has cold liquid pipe 21 between cold liquid export 18 and the cold liquid import 14.

After the molten plastic is injected between the upper mold 4 and the lower mold 2, the rapid cooling mechanism can be started to cool and shape the plastic, the water pump 15 and the plurality of cooling fans 26 in the rapid cooling mechanism are started, after the water pump 15 is started, the cooling liquid in the cooling cavity 12 and the cooling box 16 starts to circularly flow through the hot liquid pipe 20 and the cold liquid pipe 21, after the cooling liquid enters the cooling cavity 12, the heat of the plastic is absorbed, the cooling speed of the plastic is accelerated, then the plastic enters the cooling box 16 through the hot liquid pipe 20, the temperature of the cooling liquid is reduced under the action of the cooling fans 26, then the plastic is discharged from the cooling box 16 and enters the cooling cavity 12 through the cold liquid pipe 21 to continue to be cooled, so that the temperature of the cooling liquid in the cooling cavity 12 can be ensured to be always in a lower state, the plastic can be continuously cooled, the shaping speed of the plastic is accelerated, and the working efficiency is improved.

A plurality of baffles 19 are arranged inside the cooling box 16 in a staggered manner.

The plurality of guide plates 19 enable the cooling liquid to be retained in the cooling box 16 for a long time, and the cooling liquid is guaranteed to be fully radiated.

The equal vertical fixedly connected with threaded rod 6 in top of every hydraulic stem 5 goes up the upper surface of mounting panel 3 and link up the mounting hole 7 of seting up a plurality of and the corresponding and adaptation of a plurality of threaded rods 6, and every threaded rod 6 link up a plurality of mounting holes 7 respectively and extend to the top of the 3 upper surfaces of mounting panel, and the equal threaded connection in top that the surface of every threaded rod 6 just is located mounting panel 3 has thread bush 8.

The vertical fixedly connected with of upper surface of bed die 2 has a plurality of guide posts 9, goes up the vertical guiding hole 10 that has seted up a plurality of corresponding and the adaptation of a plurality of guide posts 9 and link up supreme mounting panel 3 upper surface of lower surface of mould 4, and the top of a plurality of guide posts 9 link up a plurality of guiding holes 10 respectively and extend to the top of supreme mounting panel 3.

The top end of each guide post 9 is detachably provided with a limiting piece 11.

The guide posts 9 and the guide holes 10 play a guiding role, so that the upper die 4 and the lower die 2 are kept aligned after being combined, and the problems of deformation and the like of a final product are prevented.

When the die needs to be cleaned after being used for a period of time, the plurality of thread sleeves 8 and the plurality of limiting pieces 11 can be detached, then the upper mounting plate 3 and the upper die 4 are integrally taken down, and the inside of the die can be cleaned.

The upper surface of the upper mounting plate 3 is vertically provided with an injection hole 22 and a liquid viewing hole 24 which are communicated with the bottom end of the upper die 4, and the top end of the injection hole 22 is communicated with a connecting pipe 23.

The injection hole 22 is used for injecting molten plastic into the mold, the connecting pipe 23 is used for connecting with an injection device, and the liquid viewing hole 24 is convenient for workers to check whether the cavity in the mold is filled up or not.

The during operation, the utility model discloses after installing, back between mould 4 and bed die 2 is poured into at the plastics of melting dress, can start quick cooling body and come to cool off the design to plastics, water pump 15 and a plurality of radiator fan 26 among the quick cooling body start, the coolant liquid in cooling chamber 12 and the cooling box 16 starts circulation flow through hot liquid pipe 20 and cold liquid pipe 21 after water pump 15 starts, after the coolant liquid gets into the inside of cooling chamber 12, absorb the heat of plastics, accelerate the cooling rate of plastics, later get into in cooling box 16 through hot liquid pipe 20, the temperature of coolant liquid is reduced under radiator fan 26's effect, later follow and discharge in the cooling box 16 and continue to cool off plastics through the inside that cold liquid pipe 21 got into cooling chamber 12 again, with this can guarantee that the temperature of cooling chamber 12 coolant liquid is in a lower state forever, can continuously cool off plastics.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The high-sealing injection mold for the medical plastic part is characterized by comprising a lower fixing plate (1), a lower mold (2), an upper mounting plate (3), an upper mold (4) and a rapid cooling mechanism;

the lower die (2) is fixedly connected to the upper surface of the lower fixing plate (1), a plurality of hydraulic rods (5) are vertically and fixedly connected to the upper surface of the lower fixing plate (1) and located outside the lower die (2), the upper mounting plate (3) is detachably arranged at the top ends of the hydraulic rods (5), the upper die (4) is fixedly connected to the lower surface of the upper mounting plate (3), and the quick cooling mechanism is arranged outside the lower die (2);

the rapid cooling mechanism comprises a cooling box (16) which is transversely and fixedly connected to the upper surface of the lower fixing plate (1), wherein a hot liquid inlet (17) and a cold liquid outlet (18) are respectively formed in two ends of the cooling box (16) in a penetrating mode, a plurality of cooling fins (25) are fixedly connected to the outer surface of the cooling box (16), a cooling fan (26) is fixedly connected to the outer ends of the cooling fins (25), a cooling cavity (12) is formed in the lower die (2), a hot liquid outlet (13) and a cold liquid inlet (14) are respectively formed in the front end and the rear end of the interior of the cooling cavity (12) in a penetrating mode, a water pump (15) is arranged at the outer end of the hot liquid outlet (13), a water inlet of the water pump (15) is communicated with the hot liquid outlet (13), a hot liquid pipe (20) is communicated with a water outlet of the water pump (15), the other end of the hot liquid pipe (20) is communicated with the hot liquid inlet (17), and a cold liquid pipe (21) is communicated between the cold liquid outlet (18) and the cold liquid inlet (14).

2. The high-sealability injection mold for medical plastic parts as claimed in claim 1, wherein: a plurality of guide plates (19) are arranged in the cooling box (16) in a mutually staggered manner.

3. The high-sealability injection mold for medical plastic parts as claimed in claim 1, wherein: every the equal vertical fixedly connected with threaded rod (6) in top of hydraulic stem (5), go up the upper surface of mounting panel (3) and link up and seted up a plurality ofly and a plurality of mounting hole (7) of corresponding and adaptation of threaded rod (6), every threaded rod (6) link up a plurality ofly respectively mounting hole (7) extend to go up the top of mounting panel (3) upper surface, every the surface of threaded rod (6) just is located the equal threaded connection in top of going up mounting panel (3) has thread bush (8).

4. The high-sealability injection mold for medical plastic parts as claimed in claim 1, wherein: the vertical fixedly connected with of upper surface of bed die (2) has a plurality of guide posts (9), the lower surface of going up mould (4) is vertical seted up a plurality ofly and a plurality ofly corresponding and adaptation of guide post (9) link up to go up guiding hole (10) of mounting panel (3) upper surface, it is a plurality of the top of guide post (9) link up a plurality ofly respectively guiding hole (10) extend to go up the top of mounting panel (3).

5. The high-sealability injection mold for medical plastic parts as claimed in claim 4, wherein: each top end of the guide post (9) is detachably provided with a limiting piece (11).

6. The high-sealability injection mold for medical plastic parts as claimed in claim 1, wherein: the upper surface of the upper mounting plate (3) is vertically provided with an injection molding hole (22) and a liquid viewing hole (24) which are communicated with the bottom end of the upper die (4), and the top end of the injection molding hole (22) is communicated with a connecting pipe (23).