CN219883178U - Water conveying sleeve for hot runner nozzle of injection mold - Google Patents
Water conveying sleeve for hot runner nozzle of injection mold Download PDFInfo
- Publication number
- CN219883178U CN219883178U CN202223555146.1U CN202223555146U CN219883178U CN 219883178 U CN219883178 U CN 219883178U CN 202223555146 U CN202223555146 U CN 202223555146U CN 219883178 U CN219883178 U CN 219883178U
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- water
- pipe part
- circular pipe
- water tank
- circular tube
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 69
- 238000002347 injection Methods 0.000 title claims abstract description 18
- 239000007924 injection Substances 0.000 title claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 32
- 230000002093 peripheral effect Effects 0.000 claims abstract description 8
- 239000000498 cooling water Substances 0.000 abstract description 21
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000000903 blocking effect Effects 0.000 abstract description 4
- 230000006872 improvement Effects 0.000 description 5
- 239000000243 solution Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a water conveying sleeve for a hot runner nozzle of an injection mold. The water transporting sleeve comprises a large circular pipe part, one end of the large circular pipe part is connected with a small circular pipe part, an upper sealing groove is arranged on the peripheral side face close to the large circular pipe part, a lower sealing groove is arranged on the port face of the small circular pipe part, at least one annular water tank is arranged on the peripheral side face of the small circular pipe part close to one end of the lower sealing groove, a plugging block is arranged at one position of the annular water tank, the annular water tank and the plugging block together form a C-shaped water tank, a plurality of threaded holes are formed in the end face of the large circular pipe part, an inner cavity is formed in the middle of the water transporting sleeve, and a tightening port structure is arranged at the port of the small circular pipe part. The cooling water channel in the water transporting sleeve is of a C shape, and the C-shaped cooling water channel can enable cooling water flow to be relatively uniform, so that the hot runner nozzle is uniformly cooled, and the cooling water channel has the advantage that the blocking condition of the cooling water channel is easy to find.
Description
Technical Field
The utility model relates to the technical field of injection molds, in particular to a water conveying sleeve for a hot runner nozzle of an injection mold.
Background
In the injection molding process, the temperature near the nozzle of the hot runner system is highest, the position of the nozzle is thicker in the mold design, and the plastic at the position of the nozzle tends to be cooled finally in one molding cycle, so that the injection molding cycle is prolonged. In addition, the temperature of the nozzle is very high, so that the nozzle is locally high in temperature, in the cooling process of a product, the solution at the nozzle is slowly solidified due to the excessively high temperature, the glue breaking at the nozzle is affected, hot melt glue marks are easily formed on the surface of the product at the nozzle, and the yield is low. In order to solve the above problems, the most common way for the workers in the field is to cover a water carrying sleeve outside the nozzle, and generally, an annular cooling water path is adopted to encircle the nozzle, so as to cool the molten rubber near the nozzle sufficiently and uniformly. However, the water jacket of annular cooling water route can appear the rivers uneven on annular cooling water route both sides and consequently lead to the nozzle to be heated unevenly, still can appear that annular cooling water route one side is stopped up the back be difficult to the problem when daily maintenance and urgent maintenance, because the opposite side leads to water and thinks the water route is normal for staff's false image mistake. Therefore, how to provide a cooling water carrying sleeve with relatively uniform water flow and easy to find blockage is a problem to be solved.
Disclosure of Invention
The utility model provides a water conveying sleeve for a hot runner nozzle of an injection mold, aiming at the problems in the prior art. The water transporting sleeve comprises a large circular pipe part, one end of the large circular pipe part is connected with a small circular pipe part, an upper sealing groove is arranged on the peripheral side face close to the large circular pipe part, a lower sealing groove is arranged on the port face of the small circular pipe part, at least one annular water tank is arranged on the peripheral side face of the small circular pipe part close to one end of the lower sealing groove, a plugging block is arranged at one position of the annular water tank, the annular water tank and the plugging block together form a C-shaped water tank, a plurality of threaded holes are formed in the end face of the large circular pipe part, an inner cavity is formed in the middle of the water transporting sleeve, and a tightening port structure is arranged at the port of the small circular pipe part.
As a further improvement of the utility model, an upper sealing ring and a lower sealing ring are respectively arranged in the upper sealing groove and the lower sealing groove, and the sealing rings are annular rubber sealing rings.
As a further improvement of the utility model, the tightening port structure comprises a pipe orifice and a transitional conical surface, the inner side edge of the pipe orifice is connected with the adjacent inner side edge of the inner cavity through the transitional conical surface, the water conveying sleeve is sleeved at the discharge end of the hot runner nozzle of the injection mold through the inner cavity and the tightening port structure, and the discharge port protrudes out from the outer side edge of the tightening port structure.
As a further improvement of the utility model, two threaded holes are provided.
As a further improvement of the utility model, a positioning plane or a positioning block is arranged at the end face of the large circular tube part.
Compared with the prior art, the cooling water channel in the water transporting sleeve for the hot runner nozzle of the injection mold is C-shaped, and the C-shaped cooling water channel can enable cooling water flow to be relatively uniform, so that the hot runner nozzle is uniformly cooled, and the cooling water channel has the advantage that the blocking condition of the cooling water channel is easy to find.
Drawings
FIG. 1 is a schematic diagram of a water jacket of an injection mold hot runner nozzle according to an embodiment of the present utility model;
FIG. 2 is a schematic side view of a water jacket of a hot runner nozzle of an injection mold according to an embodiment of the present utility model;
fig. 3 is a schematic diagram showing a combination structure of a water-carrying sleeve and a nozzle of a hot runner nozzle of an injection mold according to an embodiment of the present utility model.
In the figure:
1: a lower seal groove; 2: an annular water tank; 3: a block; 4: a threaded hole; 5: a large circular tube portion; 6: a small circular tube portion; 7: an upper seal groove; 8: an inner cavity; 9: tightening the mouth structure; 10: a nozzle; 11: a fixed die plate; 12: a water inlet pipe; 13: and a water outlet pipe.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model is described in further detail below with reference to the attached drawing figures:
as shown in fig. 1, the present utility model provides a water carrying sleeve for a hot runner nozzle of an injection mold. The water transporting sleeve comprises a large circular tube part 5, one end of the large circular tube part 5 is connected with a small circular tube part 6, an upper sealing groove 7 is arranged on the peripheral side surface of the small circular tube part 6 close to the large circular tube part 5, and a lower sealing groove 1 is arranged on the port surface of the small circular tube part 6. An upper sealing ring and a lower sealing ring are respectively arranged in the upper sealing groove 7 and the lower sealing groove 1, and the sealing rings are annular rubber sealing rings, so that water leakage or liquid leakage is prevented. As shown in fig. 2, an annular water tank 2 is arranged on the peripheral side surface of the small circular pipe part 6 near one end of the lower sealing groove 1, a sealing block 3 is arranged at one position of the annular water tank 2, and the annular water tank 2 and the sealing block 3 together form a C-shaped water tank. The size of the blocking block 3 should be designed as small as possible, so that the water flow in the cooling water channel can flow in the C-shaped water tank relatively uniformly, and the hot runner nozzle can be cooled more uniformly. The end face of the large circular tube part 5 is provided with two threaded holes 4, an inner cavity 8 is arranged in the middle of the water conveying sleeve, and a tightening port structure 9 is arranged at the port of the small circular tube part 6. The tightening port structure 9 comprises a pipe orifice and a transition conical surface, the inner side edge of the pipe orifice is connected with the adjacent inner side edge of the inner cavity 8 through the transition conical surface, the water conveying sleeve is sleeved at the discharge end of the hot runner nozzle of the injection mold through the inner cavity 8 and the tightening port structure 9, and the discharge port protrudes out from the outer side edge of the tightening port structure 9. In order to facilitate the faster positioning of the water transporting sleeve and the injection mold hot runner nozzle, a positioning plane or a positioning block can be arranged at the end face of the large circular pipe part 5, or the positioning plane and the positioning block can be simultaneously arranged.
The operating principle of the water conveying sleeve for the hot runner nozzle of the injection mold is as follows:
as shown in fig. 3, the water carrying sleeve is sleeved at the discharge end of the hot runner nozzle 10 of the injection mold through the inner cavity 8 and the tightening port structure 9, and the discharge port protrudes from the outer side edge of the tightening port structure 9. The water conveying sleeve is fixed on the fixed die plate 11 through the threaded hole 4, the fixed die plate 11 is provided with the water inlet pipe 12 and the water outlet pipe 13, the water inlet of the water inlet pipe 12 and the water outlet of the water outlet pipe 13 are respectively arranged on two sides of the plugging block 3, and the water inlet of the water inlet pipe 12 and the water outlet of the water outlet pipe 13 are close to two sides of the plugging block 3 as much as possible, and water flows in a C-shaped water tank formed by the annular water tank 2 and the plugging block 3. By installing the annular rubber sealing rings in the upper sealing groove 7 and the lower sealing groove 1 respectively, the occurrence of water leakage can be prevented.
Conclusion:
the cooling water channel in the water conveying sleeve for the hot runner nozzle of the injection mold is in a C shape, and the C-shaped cooling water channel can enable cooling water flow to be relatively uniform, so that the hot runner nozzle is uniformly cooled, and the cooling water channel has the advantage that the blocking condition of the cooling water channel is easy to find.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (3)
1. The water transporting sleeve is characterized in that an upper sealing groove is formed in the peripheral side face, close to the large circular tube portion, of the small circular tube portion, a lower sealing groove is formed in the port face, close to one end of the lower sealing groove, of the small circular tube portion, at least one annular water tank is arranged on the peripheral side face, close to one end of the lower sealing groove, of the small circular tube portion, a sealing block is arranged at one position of the annular water tank, the annular water tank and the sealing block form a C-shaped water tank together, a plurality of threaded holes are formed in the end face of the large circular tube portion, an inner cavity is formed in the middle of the water transporting sleeve, and a tightening port structure is arranged at the port of the small circular tube portion;
the water conveying sleeve is sleeved at the discharge end of the hot runner nozzle of the injection mold through the inner cavity and the tightening port structure, and the discharge port protrudes out of the outer side edge of the tightening port structure;
and a positioning plane or a positioning block is arranged at the end face of the large circular tube part.
2. The water transporting sleeve according to claim 1, wherein the upper seal groove and the lower seal groove are respectively provided with an upper seal ring and a lower seal ring, and the seal rings are annular rubber seal rings.
3. The water carrying sleeve as set forth in claim 1, wherein two threaded holes are provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223555146.1U CN219883178U (en) | 2022-12-29 | 2022-12-29 | Water conveying sleeve for hot runner nozzle of injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223555146.1U CN219883178U (en) | 2022-12-29 | 2022-12-29 | Water conveying sleeve for hot runner nozzle of injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219883178U true CN219883178U (en) | 2023-10-24 |
Family
ID=88399704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223555146.1U Active CN219883178U (en) | 2022-12-29 | 2022-12-29 | Water conveying sleeve for hot runner nozzle of injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219883178U (en) |
-
2022
- 2022-12-29 CN CN202223555146.1U patent/CN219883178U/en active Active
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