CN218139800U

CN218139800U - Cooling water jacket for plastic pipeline production

Info

Publication number: CN218139800U
Application number: CN202221746570.1U
Authority: CN
Inventors: 陈文革
Original assignee: Guangdong Anpu Zhixin Electric Co ltd
Current assignee: Guangdong Anpu Zhixin Electric Co ltd
Priority date: 2022-07-07
Filing date: 2022-07-07
Publication date: 2022-12-27
Anticipated expiration: 2032-07-07

Abstract

The utility model particularly relates to a cooling jacket for plastic conduit production usefulness, locate the outer tube of cooling jacket main part including cooling jacket main part and cover, the one end of cooling jacket main part lateral wall is provided with at least one water inlet, the other end of cooling jacket main part lateral wall is provided with at least one delivery port, the periphery wall of cooling jacket main part is provided with the spiral fin, form the spiral runner between the inner wall of spiral fin and outer tube, be provided with the inner tube in the cooling jacket main part, the one end and the delivery port of inner tube are linked together. The cooling water jacket has the advantages of ingenious structure, good cooling effect and high heat exchange efficiency.

Description

Cooling water jacket for plastic pipeline production

Technical Field

The utility model relates to a water jacket technical field, concretely relates to a cooling water jacket for plastic conduit production usefulness.

Background

At present, a plastic pipeline production line generally adopts a high-efficiency screw, a slotted cylinder and cooling with a strong water jacket to improve conveying capacity and ensure high-efficiency extrusion and molding. However, the existing cooling water jacket has a complex structure and poor cooling effect, and causes more cooling water waste. In the production process of the plastic pipeline, the low cooling efficiency of the cooling water jacket greatly limits the production efficiency and influences the productivity. Therefore, there is a need for improvement in the related art of cooling water jackets.

Disclosure of Invention

In order to overcome the shortcoming and the deficiency that exist among the prior art, the utility model aims to provide a cooling jacket for plastic conduit production usefulness, cooling jacket's structure is ingenious, and cooling is effectual, and heat exchange efficiency is high.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a cooling water jacket for plastic conduit production usefulness, includes cooling water jacket main part and the outer sleeve pipe of locating the cooling water jacket main part in cover, the one end of cooling water jacket main part lateral wall is provided with at least one water inlet, the other end of cooling water jacket main part lateral wall is provided with at least one delivery port, the periphery wall of cooling water jacket main part is provided with the spiral fin, form the spiral runner between the inner wall of spiral fin and outer sleeve pipe, be provided with the inner tube in the cooling water jacket main part, the one end and the delivery port of inner tube are linked together.

Furthermore, a first sprue bush is arranged at one end, close to the water inlet, of the cooling water jacket body, and a second sprue bush is arranged at one end, close to the water outlet, of the cooling water jacket body.

Furthermore, the outer wall of one end, close to the water outlet, of the cooling water jacket main body is provided with a connecting thread, and the outer sleeve is in threaded connection with the cooling water jacket main body.

Furthermore, a heat insulation layer is arranged in the cooling water jacket main body and is located between the cooling water jacket main body and the inner pipe.

Furthermore, the first sprue bush comprises a first body, an inner cavity communicated with the inner pipe is axially formed in the center of the first body in a penetrating mode, a first concave platform portion is arranged in the middle of the first body, and at least one water inlet hole communicated with the water inlet is formed in the first concave platform portion.

Furthermore, the second sprue bush comprises a second body, one end of the second body is communicated with the inner pipe, a second concave table portion is arranged in the middle of the second body, and a plurality of water outlet holes communicated with the water outlet are formed in the second concave table portion.

Furthermore, the outer walls of the first sprue bush and the second sprue bush are provided with a plurality of inwards-sunken sealing ring grooves, and the sealing ring grooves are used for being fixedly connected with the cooling water jacket main body.

Further, the inner diameter of the first boss portion is smaller than the inner diameter of the first body, and the inner diameter of the second boss portion is smaller than the inner diameter of the second body.

Furthermore, a double-layer three-way joint is arranged in the first sprue bush, and one port of the double-layer three-way joint is communicated with the inner cavity of the first sprue bush.

The beneficial effects of the utility model reside in that: the utility model discloses a cooling jacket for plastic conduit production usefulness has increased the area of cooling water circulation through the design of spiral fin piece, cooling jacket's cooling is effectual and efficient to the multilayer cooperation through outer tube, cooling jacket main part and inner tube realizes the cyclic utilization of cooling water, greatly reduced the wasting of resources.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the hidden outer tube according to the present invention.

Fig. 3 is a schematic cross-sectional view of the present invention.

Fig. 4 is a schematic structural view of the hidden outer sleeve, the cooling water jacket main body and the thermal insulation layer of the present invention.

The reference signs are: 1-cooling water jacket main body, 2-outer sleeve, 3-water inlet, 4-water outlet, 5-spiral fin, 6-inner pipe, 7-first sprue bush, 8-second sprue bush, 9-connecting thread, 10-heat-insulating layer, 71-first body, 72-first concave part, 73-water inlet hole, 81-second body, 82-second concave part, 83-water outlet hole and 84-sealing ring groove.

Detailed Description

In order to facilitate the understanding of those skilled in the art, the present invention will be further described with reference to the following examples and accompanying fig. 1-4, which are not intended to limit the present invention.

Example 1

As shown in fig. 1 to 4, a cooling water jacket for plastic pipeline production includes a cooling water jacket main body 1 and an outer sleeve 2 sleeved outside the cooling water jacket main body 1, wherein at least one water inlet 3 is arranged at one end of a side wall of the cooling water jacket main body 1, at least one water outlet 4 is arranged at the other end of the side wall of the cooling water jacket main body 1, a spiral rib 5 is arranged on an outer peripheral wall of the cooling water jacket main body 1, a spiral flow channel is formed between the spiral rib 5 and an inner wall of the outer sleeve 2, an inner tube 6 is arranged in the cooling water jacket main body 1, and one end of the inner tube 6 is communicated with the water outlet 4. Specifically, the inner tube 6 is disposed coaxially with the cooling water jacket main body 1, and both ends of the cooling water jacket main body 1 are open.

When the cooling water jacket is used, cooling water flows in from the water inlet 3, runs to the water outlet 4 through the spiral flow channel, and flows out from the inner pipe 6 communicated with the water outlet 4. Wherein, the spiral fins 5 are arranged on the outer shaft wall of the cooling water jacket main body 1, so that a spiral flow channel is formed, the circulation area of cooling water is obviously increased, and the cooling efficiency is improved. And through the technical scheme, the cooling water is recycled, the resource waste is reduced, and the production cost is reduced.

Further, a first sprue bush 7 is arranged at one end, close to the water inlet 3, of the cooling water jacket main body 1, and a second sprue bush 8 is arranged at one end, close to the water outlet 3, of the cooling water jacket main body 1. Specifically, the first sprue bush 7 and the second sprue bush 8 are provided with through holes, and the through holes are used for being fixedly connected with an external fixing structure, so that two ends of the cooling water jacket are fixed, and cooling treatment is conveniently performed on the pipe sleeved outside the cooling water jacket.

Furthermore, the outer wall of one end of the cooling water jacket main body 1 close to the water outlet 4 is provided with a connecting thread 9, and the outer sleeve 2 is in threaded connection with the cooling water jacket main body 1. The connection of the cooling water jacket body 1 and the outer sleeve 2 is stabilized through the threaded connection.

Further, a heat insulation layer 10 is arranged in the cooling water jacket main body 1, and the heat insulation layer 10 is located between the cooling water jacket main body 1 and the inner pipe 6. The thermal insulation layer 10 is a thermal insulation layer 10 in the prior art, and is only used here as an application, and the arrangement of the thermal insulation layer 10 can be flexibly selected according to the actual application requirements. The spiral flow channel and the inner pipe 6 are separated by the heat insulation layer 10, so that heat transfer between cooling water entering the spiral flow channel and the cooling water after heat exchange is avoided, and the cooling effect and efficiency of the cooling water jacket are improved.

Further, the first sprue bush 7 includes a first body 71, an inner cavity communicated with the inner pipe 6 is axially formed in a center of the first body 71 in a penetrating manner, a first concave portion 72 is arranged in the middle of the first body 71, and the first concave portion 72 is provided with at least one water inlet 73 communicated with the water inlet 3. Specifically, one end of the inner cavity is connected with a connector, and the other end of the connector is connected with the inner tube 6. Specifically, the first sprue bush 7 is an integrally formed structure.

Further, the second sprue bush 8 comprises a second body 81, one end of the second body 81 is communicated with the inner pipe 6, a second concave portion 82 is arranged in the middle of the second body, and the second concave portion 82 is provided with a plurality of water outlet holes 83 communicated with the water outlet 4. Specifically, one end of the inner tube 6 is embedded in the second body 81, and the inner tube 6 is communicated with the water outlet 83. Specifically, the second sprue bush 8 is an integrally formed structure.

Further, the outer walls of the first sprue bush 7 and the second sprue bush 8 are provided with a plurality of inward-recessed sealing ring grooves 84, and the sealing ring grooves 84 are used for being fixedly connected with the cooling water jacket main body 1. Specifically, the seal ring groove 84 is formed by a partial region of the outer wall of the first body 71 or the second body 81 being recessed inward in the circumferential direction. The arrangement of the sealing ring groove 84 ensures that the first sprue bush 7 and the second sprue bush 8 are tightly connected with the cooling water jacket main body 1, the sealing performance is good, and liquid leakage is avoided.

Further, the inner diameter of the first recess portion 72 is smaller than the inner diameter of the first body 71, and the inner diameter of the second recess portion 82 is smaller than the inner diameter of the second body 81. The above-described configuration allows the cooling water to flow more smoothly through the water inlet hole 73 of the first boss portion 72 or the water outlet hole 83 of the second boss portion 82.

Furthermore, a double-layer three-way joint (not shown in the figure) is arranged in the first sprue bush 7, one port of the double-layer three-way joint is communicated with an inner cavity of the first sprue bush 7, and the other two ports of the double-layer three-way joint are respectively communicated with an external cooling water inlet pipeline and an external cooling water outlet pipeline. In particular, the double-layer tee joint is a double-layer tee joint in the prior art, and is only used as an application here. When cooling is needed, the double-layer three-way joint is used for conveying cooling water to the water inlet 3, the cooling water flows from the water inlet 3 to the water outlet 4 through the spiral flow channel, and heat exchange is carried out on the pipe sleeved outside the outer sleeve 2, so that the purpose of cooling the pipe is achieved; and then, the double-layer three-way joint is used for guiding the cooling water subjected to heat exchange out of the inner pipe 6 to an external cooling water outlet pipeline, so that cooling water inlet and outlet circulation of the cooling water jacket and cooling forming of the pipe are completed.

The above-mentioned embodiment is the utility model discloses the implementation of preferred, in addition, the utility model discloses can also realize by other modes, not deviating from the utility model discloses any obvious replacement is all within the protection scope under the prerequisite of design.

Claims

1. A cooling water jacket for plastic pipeline production, its characterized in that: the outer sleeve of cooling jacket main part is located including cooling jacket main part and cover, the one end of cooling jacket main part lateral wall is provided with at least one water inlet, the other end of cooling jacket main part lateral wall is provided with at least one delivery port, the periphery wall of cooling jacket main part is provided with the spiral fin, form spiral runner between the inner wall of spiral fin and outer sleeve, be provided with the inner tube in the cooling jacket main part, the one end and the delivery port of inner tube are linked together.

2. The cooling water jacket for plastic pipe production according to claim 1, wherein: and a first sprue bush is arranged at one end, close to the water inlet, of the cooling water jacket main body, and a second sprue bush is arranged at one end, close to the water outlet, of the cooling water jacket main body.

3. The cooling water jacket for plastic pipe production according to claim 1, wherein: the outer wall of one end, close to the water outlet, of the cooling water jacket main body is provided with connecting threads, and the outer sleeve is in threaded connection with the cooling water jacket main body.

4. The cooling water jacket for plastic pipe production according to claim 1, wherein: and a heat insulating layer is arranged in the cooling water jacket main body and is positioned between the cooling water jacket main body and the inner pipe.

5. The cooling water jacket for plastic pipe production according to claim 2, wherein: the first sprue bush comprises a first body, an inner cavity communicated with the inner pipe is axially formed in the center of the first body in a penetrating mode, a first concave platform portion is arranged in the middle of the first body, and at least one water inlet hole communicated with the water inlet is formed in the first concave platform portion.

6. The cooling water jacket for plastic pipe production according to claim 5, wherein: the second sprue bush comprises a second body, one end of the second body is communicated with the inner pipe, a second concave table portion is arranged in the middle of the second body, and a plurality of water outlet holes communicated with the water outlet are formed in the second concave table portion.

7. The cooling water jacket for the plastic pipeline production according to claim 6, wherein: the outer walls of the first sprue bush and the second sprue bush are provided with a plurality of inwards sunken sealing ring grooves, and the sealing ring grooves are used for being fixedly connected with the cooling water jacket main body.

8. The cooling water jacket for plastic pipe production according to claim 6, wherein: the inner diameter of the first boss portion is smaller than the inner diameter of the first body, and the inner diameter of the second boss portion is smaller than the inner diameter of the second body.

9. The cooling water jacket for plastic pipe production according to claim 2, wherein: the double-layer three-way joint is arranged in the first sprue bush, and one port of the double-layer three-way joint is communicated with an inner cavity of the first sprue bush.