CN219789185U - Jet pipe type cooling device of injection mold of medical equipment shell - Google Patents
Jet pipe type cooling device of injection mold of medical equipment shell Download PDFInfo
- Publication number
- CN219789185U CN219789185U CN202321287734.3U CN202321287734U CN219789185U CN 219789185 U CN219789185 U CN 219789185U CN 202321287734 U CN202321287734 U CN 202321287734U CN 219789185 U CN219789185 U CN 219789185U
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- cooling
- waterway
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- water
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- 238000001816 cooling Methods 0.000 title claims abstract description 57
- 238000002347 injection Methods 0.000 title claims abstract description 18
- 239000007924 injection Substances 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 239000000498 cooling water Substances 0.000 claims abstract description 24
- 150000001875 compounds Chemical class 0.000 claims abstract description 18
- 238000005507 spraying Methods 0.000 claims abstract description 11
- 238000001746 injection moulding Methods 0.000 claims abstract description 8
- 239000007921 spray Substances 0.000 claims description 12
- 239000004033 plastic Substances 0.000 description 14
- 239000000463 material Substances 0.000 description 6
- 238000004513 sizing Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000012943 hotmelt Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000002826 coolant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The injection mold jet pipe type cooling device for the medical equipment shell comprises an upper compound plate and a lower compound plate, wherein a cavity is arranged below the upper compound plate, a perforation is formed in the lower compound plate, a mold foot is arranged on the lower compound plate, an upper ejector plate, a lower ejector plate and ejector pins are arranged on the lower compound plate between the mold feet, an ejector pin of an injection molding machine passes through the perforation to be in contact with the lower ejector pin plate, a base plate is arranged on the mold foot, a core is arranged on the base plate, a push plate is arranged on the core, the ejector pins pass through the core to be fixedly connected with the push plate, an injection molding medical equipment shell is arranged among the cavity, the core and the push plate, a water inlet waterway of cooling water is formed in the base plate, a water outlet waterway and a cooling cavity are formed in the core, the water outlet waterway is communicated with the cooling cavity, a water spraying waterway is formed in the cooling cavity, the bottom of the nozzle is fixed with the base plate, the bottom of the water spraying waterway is communicated with the water inlet waterway, and the top of the water spraying waterway is communicated with the cooling cavity.
Description
Technical Field
The utility model relates to an injection mold, in particular to a spray pipe type cooling device of an injection mold for a medical equipment shell.
Background
When the injection mold is used for manufacturing plastic products, hot-melt sizing material is injected into a mold cavity through a sizing material inlet, then the mold is cooled by a cooling structure, the hot-melt sizing material of the mold cavity is cooled and shaped to obtain molded plastic products, and finally the plastic products can be ejected and demoulded by an ejection structure. The cooling structure is usually provided with a cooling water channel in the structures such as the cavity and the core, and the cooling water passes through the cooling water channel to cool the structures such as the cavity and the core, and the cavity and the core transmit the refrigerant to the plastic product so as to cool the plastic product. The cooling water channel (as shown in fig. 2) of the conventional core is usually provided with a water inlet channel 2' of cooling water on one side of the core 1', and a middle water channel 3' of a corresponding shape is provided in the middle of the core along the inner wall of the plastic product according to the shape of the plastic product, and a water outlet channel 4' is provided on the other side of the core, so that the cooling water on one side of the middle water channel 3' close to the water inlet channel 2' cools the core 1' and the adjacent plastic product 5' (as shown in a position a of fig. 2), when the cooling water flows to one side of the middle water channel close to the water outlet channel 4' (as shown in a position B of fig. 2), the temperature of the cooling water gradually rises, so that the cooling effect of the cooling water at the position is reduced, the cooling forming speed of the plastic product at the position is correspondingly slowed down, the cooling effect of the whole plastic product is inconsistent, on one side of the production efficiency is affected, on the other side, sink marks easily appear on one side of the slow cooling, the product surface smoothness is reduced, the appearance is affected, the product appearance is not affected, and the product appearance is even the appearance is not up to the standard, and the yield is affected.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide the jet pipe type cooling device for the injection mold of the medical equipment shell, which has the advantages of uniform cooling, good cooling effect, production efficiency improvement and plastic product yield guarantee.
The utility model relates to a spray pipe type cooling device for an injection mold of a medical equipment shell, which comprises the following technical scheme: the injection molding machine comprises an upper compound plate and a lower compound plate, wherein a cavity is arranged below the upper compound plate, a perforation is formed in the lower compound plate, a die foot is arranged on the lower compound plate, an upper ejector plate, a lower ejector plate and ejector pins are arranged on the lower compound plate between the die feet, an ejector pin of the injection molding machine passes through the perforation to be contacted with the lower ejector pin plate, a base plate is arranged on the die foot, a core is arranged on the base plate, a push plate is arranged on the core, the ejector pins pass through the core and are fixedly connected with the push plate, an injection molding medical equipment shell is arranged between the cavity, the core and the push plate, a water inlet waterway of cooling water is formed in the base plate, a water outlet waterway and a cooling cavity are formed in the core, the water outlet waterway is communicated with the cooling cavity, a spray pipe is arranged in the cooling cavity, the bottom of the spray pipe is fixed with the base plate, and the top of the water outlet waterway is communicated with the cooling cavity.
Further, a groove is formed at the top of the cooling cavity.
Further, the grooves are triangular or circular arc-shaped.
The jet pipe type cooling device for the injection mold of the medical equipment shell has the beneficial effects that: cooling water is firstly conveyed to a water spraying waterway of the middle spray pipe from a water inlet waterway, and is evenly sprayed into the cooling cavities around through the top of the water spraying waterway, so that the cooling cavities, the mold cores and the medical equipment shell can be evenly cooled, the cooling effect is good, the cooling speed is higher, the production efficiency is improved, the surface sink marks of plastic products are avoided, and the yield of the plastic products is guaranteed.
Drawings
FIG. 1 is a schematic view of a nozzle cooling apparatus for an injection mold for a medical device housing according to the present utility model;
fig. 2 is a schematic diagram of a cooling water path of a core of an existing injection mold.
Description of the embodiments
The utility model relates to a jet pipe type cooling device of an injection mold of a medical equipment shell, which comprises an upper complex plate 1 and a lower complex plate 2, wherein a cavity 3 is arranged below the upper complex plate, a perforation 4 is arranged in the lower complex plate, a mold foot 5 is arranged on the lower complex plate between the mold feet, an upper ejector pin plate 6, a lower ejector pin plate 7 and an ejector pin 8 are arranged on the lower complex plate between the mold feet, an ejector pin 9 of an injection molding machine passes through the perforation 4 to be contacted with the lower ejector pin plate 7, a base plate 10 is arranged on the mold foot, a core 11 is arranged on the base plate, a push plate 12 is arranged on the core, the ejector pin 8 passes through the core to be fixedly connected with the push plate, an injection molded medical equipment shell 13 is arranged among the cavity 3, the core 11 and the push plate 12, a water inlet waterway 14 of cooling water is arranged in the base plate 10, a water outlet waterway 15 and a cooling cavity 16 are arranged in the core 11, the water outlet waterway is communicated with the cooling cavity, a water spray waterway 18 is arranged in the cooling cavity, the bottom of the ejector pin is fixed with the base plate 10, the bottom of the water waterway is communicated with the water inlet waterway 14, and the top of the waterway is communicated with the cooling cavity 16.
Further, the cooling chamber 16 is provided with a recess 19 at the top.
Further, the groove 19 is triangular or circular arc. Because the cooling water is conveyed to the top of the cooling cavity 16 from bottom to top through the water spraying channel 18 of the spray pipe 17, a groove 19 structure is formed at the top of the cooling cavity 16, the groove can guide the cooling water sprayed by the spray pipe 17, so that the cooling water can flow around the cooling cavity 16 in a diffusion way, the cross section of the groove 19 is triangular or circular arc, and the actual groove can be in a concave arc shape, a triangular cone shape, a quadrangular cone shape or the like.
The utility model discloses a jet pipe type cooling device for an injection mold of a medical equipment shell, which is characterized in that a cooling cavity 16 is formed in the middle of a mold core 11, a jet pipe 17 is arranged in the center of the cooling cavity, a water inlet waterway 14 is formed in a backing plate 10 below the mold core, a water outlet waterway 15 is formed at one side of the mold core 11 (the backing plate can be removed, the mold core is divided into an upper block and a lower block, the water inlet waterway 14 and the water outlet waterway 15 are directly formed in the mold core), when a mold cavity formed between the mold core 11 and the mold cavity 3 is filled with hot-melt sizing materials, cooling water enters the backing plate 10 from the water inlet waterway 14 and is conveyed to a water jet waterway 18 of the jet pipe 17, the cooling water is sprayed into the surrounding cooling cavity 16 from the top of the jet pipe 17, the cooling water cools the periphery of the mold core 11 through the cooling water in the cooling cavity 16, the mold core transmits coolant to the hot-melt sizing materials, the sizing materials are gradually cooled, the molded medical equipment shell 13 is obtained, after the cooling molding is completed, the mold is opened from the mold cavity 3 and the mold core 11, the medical equipment shell 13 is left on the mold core, and finally, an ejector pin 9 of an ejector pin machine pushes an upper ejector pin 6, a lower ejector pin plate 7 and an ejector pin 8 to an ejector pin 12 to push the medical equipment shell upwards.
The jet pipe type cooling device for the injection mold of the medical equipment shell has the beneficial effects that: the cooling water is firstly conveyed to the water spraying waterway 18 of the middle spray pipe from the water inlet waterway 14, and then is uniformly sprayed into the cooling cavities 16 around through the top of the water spraying waterway 18, so that the cooling cavities 16, the mold cores 11 and the medical equipment shell 13 can be uniformly cooled, the cooling effect is good, the cooling speed is higher, the production efficiency is improved, the surface sink marks of plastic products are avoided, and the yield of the plastic products is ensured.
Claims (3)
1. The utility model provides a medical equipment shell injection mold nozzle formula cooling device, including last compound board (1) and compound board down (2), go up compound board down and set up die cavity (3), make perforation (4) in the compound board down, set up mould foot (5) on the compound board down, set up on the compound board down between the mould foot thimble board (6), thimble board (7) and thimble (8) down, ejector pin (9) of injection molding machine pass perforation (4) and contact with thimble board (7) down, set up backing plate (10) on the mould foot, set up core (11) on the backing plate, set up push pedal (12) on the core, thimble (8) pass core and push pedal fixed connection, have injection molding's medical equipment shell (13) between die cavity (3), core (11) and push pedal (12), its characterized in that: the cooling water cooling device is characterized in that a water inlet waterway (14) for cooling water is formed in the base plate (10), a water outlet waterway (15) and a cooling cavity (16) are formed in the core (11), the water outlet waterway is communicated with the cooling cavity, a spray pipe (17) is arranged in the cooling cavity, a water spraying waterway (18) is formed in the spray pipe, the bottom of the spray pipe is fixed with the base plate (10), the bottom of the water spraying waterway is communicated with the water inlet waterway (14), and the top of the water spraying waterway is communicated with the cooling cavity (16).
2. The medical device housing injection mold nozzle cooling apparatus of claim 1, wherein: a groove (19) is formed at the top of the cooling cavity (16).
3. The medical device housing injection mold nozzle cooling apparatus of claim 2, wherein: the grooves (19) are triangular or arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321287734.3U CN219789185U (en) | 2023-05-25 | 2023-05-25 | Jet pipe type cooling device of injection mold of medical equipment shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321287734.3U CN219789185U (en) | 2023-05-25 | 2023-05-25 | Jet pipe type cooling device of injection mold of medical equipment shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219789185U true CN219789185U (en) | 2023-10-03 |
Family
ID=88178637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321287734.3U Active CN219789185U (en) | 2023-05-25 | 2023-05-25 | Jet pipe type cooling device of injection mold of medical equipment shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219789185U (en) |
-
2023
- 2023-05-25 CN CN202321287734.3U patent/CN219789185U/en active Active
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