CN215791480U

CN215791480U - Core needle with cooling function

Info

Publication number: CN215791480U
Application number: CN202122217441.5U
Authority: CN
Inventors: 王玉
Original assignee: Dongguan Zhonggang Mould Co ltd
Current assignee: Dongguan Zhonggang Mould Co ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-02-11
Anticipated expiration: 2031-09-14

Abstract

The utility model discloses a core needle with a cooling function, which comprises a T-shaped shell, wherein a blind hole is formed in the center of the shell, a condenser pipe is arranged in the blind hole, the end part of the condenser pipe extends out of the shell and can be provided with an end cover, a flow distribution plate is arranged in the center of the end cover and inserted into the blind hole, and through holes are respectively formed in two sides of the flow distribution plate. According to the utility model, the positioning part and the positioning part are arranged on the core pin, so that the core pin is conveniently connected to a required structural member, and the use is convenient; the core pin can be cooled from the inside by arranging the blind hole in the core pin and arranging the condenser pipe in the blind hole; through set up the end cover that has flow distribution plate and through-hole on the condenser pipe, can introduce the condenser pipe with liquid through a through-hole to with liquid from the open end drainage to the blind end of condenser pipe, again from blind end drainage to open end, and flow from another through-hole, can carry out comprehensive cooling to the core needle, cooling structure is simple, and cooling efficiency is high and the cost is lower.

Description

Core needle with cooling function

Technical Field

The utility model relates to the technical field of mould accessories, in particular to a core pin with a cooling function.

Background

In the design and manufacture of the die, the core pin is often used for replacing a die core which is easy to wear in the die, the purpose of quickly trimming the die is achieved by utilizing the advantages of strong replaceability, wear resistance, high precision and the like of the core pin, and the cost is relatively low.

When a mold is used for producing a product, particularly an injection mold, the temperature of a molding area is higher than that of a non-molding area, and parts in the mold are easy to deform due to uneven heating, so that the production quality and the service life of the mold are influenced.

Therefore, the utility model provides the core pin with the cooling function, which can quickly reduce the temperature of the core pin and prolong the service life of the core pin.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model provides the core needle with the cooling function, which is convenient to use; the core needle can be comprehensively cooled from the inside, the cooling structure is simple, the cooling efficiency is high, and the cost is low.

In order to solve the technical problems, the utility model adopts a technical scheme as follows:

a core needle with a cooling function comprises a T-shaped shell, wherein the center of the shell is provided with a blind hole extending along the axial direction; a condensing pipe is sleeved in the blind hole; one end part of the condensation pipe extends to the outer side of the shell and is detachably and fixedly provided with an end cover; a flow distribution plate extending along the axial direction is arranged in the center of the end cover and inserted into the blind hole; the end cover is provided with a through hole on each of two sides of the flow distribution plate, and each through hole can be connected with a water pipe.

As a further elaboration of the above technical solution:

in the technical scheme, the condensation pipe is a hollow pipe with an open end and a closed end, and the pipe wall of the open end is provided with external threads.

In the above technical scheme, the inner wall of the end cover is provided with an internal thread matched with the external thread.

In the above technical scheme, a sealing ring is arranged between the end cover and the opening end of the condensation pipe.

In the technical scheme, a connecting rod which is convenient for clamping and controlling the end cover is arranged on the outer wall of the end cover; the connecting rod, the end cover and the flow distribution plate are integrally formed.

In the above technical scheme, the shell includes coaxial setting's location portion and establishes spacing portion and the work portion in its both sides respectively, the open end of blind hole extends to on the terminal surface of spacing portion: more than two positioning pieces are symmetrically arranged on the positioning part; the limiting part can be abutted against the end cover; the end of the working part is provided with a coaxial boss, and the periphery of the boss is coated with a wear-resistant layer.

Compared with the prior art, the utility model has the beneficial effects that: the core needle is convenient to connect to a required structural member and convenient to use by arranging the positioning part and the positioning part on the core needle; the core pin can be cooled from the inside by arranging the blind hole in the core pin and arranging the condenser pipe in the blind hole; through set up the end cover that has flow distribution plate and through-hole on the condenser pipe, can introduce the condenser pipe with liquid through a through-hole to with liquid from the open end drainage to the blind end of condenser pipe, again from blind end drainage to open end, and flow from another through-hole, can carry out comprehensive cooling to the core needle, cooling structure is simple, and cooling efficiency is high and the cost is lower.

Drawings

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

fig. 2 is an enlarged schematic view of a portion a of fig. 1.

In the figure:

1. a housing; 2. blind holes; 3. a condenser tube; 4. an end cap; 5. a flow distribution plate; 6. a through hole; 7. an external thread; 8. an internal thread; 9. a seal ring; 10. a connecting rod; 11. a positioning part; 12. a limiting part; 13. a working part; 14. a positioning member; 15. a boss; 16. and a wear-resistant layer.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiments described by referring to the drawings are exemplary and intended to be used for explaining the present application and are not to be construed as limiting the present application. In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise. In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate. In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

As shown in fig. 1-2, a core pin with a cooling function comprises a T-shaped shell 1, wherein the center of the shell 1 is provided with a blind hole 2 extending along the axial direction; a condensing pipe 3 is sleeved in the blind hole 2; one end part of the condensation pipe 3 extends to the outer side of the shell 1 and is detachably and fixedly provided with an end cover 4; a flow distribution plate 5 extending along the axial direction is arranged in the center of the end cover 4, and the flow distribution plate 5 is inserted into the blind hole 2; the end cover 4 is respectively provided with a through hole 6 at two sides of the flow distribution plate 5, and each through hole 6 can be connected with a water pipe.

Furthermore, the condensation pipe 3 is a hollow pipe with one open end and one closed end, and the pipe wall of the open end is provided with an external thread 7.

Furthermore, an inner thread 8 matched with the outer thread 7 is arranged on the inner wall of the end cover 4.

Further, a sealing ring 9 is arranged between the end cover 4 and the opening end of the condensation pipe 3.

Furthermore, a connecting rod 10 which is convenient for clamping and controlling the end cover 4 is arranged on the outer wall of the end cover 4; the connecting rod 10, the end cover 4 and the splitter plate 5 are integrally formed.

Further, shell 1 includes the location portion 11 of coaxial setting and establishes spacing portion 12 and the working portion 13 in its both sides respectively, and the open end of blind hole 2 extends to on spacing portion 12's the terminal surface: more than two positioning pieces 14 are symmetrically arranged on the positioning part 11; the limiting part 12 can be abutted against the end cover 4; the end of the working part 13 is provided with a coaxial boss 15, and the periphery of the boss 15 is coated with a wear layer 16.

In the present embodiment, the limiting portion 12, the positioning portion 11, the working portion 13 and the boss 15 are integrally formed.

During assembly, the core needle is fixed on a transmission piece through a positioning piece 14, so that the transmission piece drives the core needle (the shell 1) to move to realize the core needle function; a sealing ring 9 is arranged in the end cover 4, the flow distribution plate 5 is inserted into the condensation pipe 3, and the end cover 4 is screwed at the opening end of the condensation pipe 3 and seals the opening end; finally, the connecting rod 10 is connected to another transmission member, the condenser tube 3 fixed with the end cover 4 is inserted into the blind hole 2, the transmission member can drive the condenser tube 3 to move in the blind hole 2, and the limit part 12 can limit the extending depth of the condenser tube 3.

During the use, in order to avoid external foreign matter to get into blind hole 2, wearing and tearing condenser pipe 3 influences the condensation effect, can install the sliding sleeve at the open end of blind hole 2, even in the removal of condenser pipe 3, can prevent again that the foreign matter from getting into in the blind hole 2.

When the cooling device works, liquid enters the end cover 4 through one through hole 6 respectively, flows to the lower part of the inner side from the upper part of the inner side of the condensation pipe 3 along the axial direction under the flow guide of the flow distribution plate 5, finally flows out from the other through hole 6, and simultaneously takes away heat on the core pin, so that the purpose of cooling the core pin is achieved; meanwhile, the wear-resistant layer 16 on the periphery of the boss 15 at the top end of the core pin can strengthen the wear-resistant performance of the shell 1, delay the wear of the core pin caused by the contact with other parts on a die and prolong the service life of the core pin.

The technical scope of the present invention is not limited to the above embodiments, and any modifications, equivalent variations and modifications made to the above embodiments according to the technical spirit of the present invention still fall within the technical scope of the present invention.

Claims

1. The core pin with the cooling function is characterized by comprising a T-shaped shell, wherein the center of the shell is provided with a blind hole extending along the axial direction; a condensing pipe is sleeved in the blind hole; one end part of the condensation pipe extends to the outer side of the shell and is detachably and fixedly provided with an end cover; a flow distribution plate extending along the axial direction is arranged in the center of the end cover and inserted into the blind hole; the end cover is provided with a through hole on each of two sides of the flow distribution plate, and each through hole can be connected with a water pipe.

2. The core pin with the cooling function according to claim 1, wherein the condensation pipe is a hollow pipe with an open end and a closed end, and the pipe wall of the open end is provided with external threads.

3. The core pin with the cooling function according to claim 2, wherein the inner wall of the end cap is provided with an internal thread adapted to the external thread.

4. The core pin with the cooling function according to claim 2, wherein a sealing ring is arranged between the end cover and the open end of the condensation pipe.

5. The core pin with the cooling function according to claim 1, wherein a connecting rod for conveniently clamping and operating the end cover is arranged on the outer wall of the end cover; the connecting rod, the end cover and the flow distribution plate are integrally formed.

6. The core pin with the cooling function according to any one of claims 1 to 5, wherein the housing comprises a positioning portion and a limiting portion and a working portion which are coaxially arranged, the limiting portion and the working portion are respectively arranged on two sides of the positioning portion, and the open end of the blind hole extends to the end face of the limiting portion: more than two positioning pieces are symmetrically arranged on the positioning part; the limiting part can be abutted against the end cover; the end of the working part is provided with a coaxial boss, and the periphery of the boss is coated with a wear-resistant coating.