CN212350365U

CN212350365U - Powder metallurgy die cooling mechanism

Info

Publication number: CN212350365U
Application number: CN202021053466.5U
Authority: CN
Inventors: 谢云
Original assignee: Suzhou Jumeco Intelligent Technology Co ltd
Current assignee: Suzhou Jumeco Intelligent Technology Co ltd
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2021-01-15
Anticipated expiration: 2030-06-10

Abstract

The utility model discloses a powder metallurgy die cooling mechanism, which comprises a cooling box and a metallurgy die body, wherein the cooling box is arranged on the outer wall of the upper end of the metallurgy die body, a radiating die wall is arranged inside the lower end of the metallurgy die body, a forming die cavity is arranged at the lower side of the radiating die wall, a plurality of heat absorbing aluminum plates with the same interval are arranged on the outer wall of the upper end of the radiating die wall, the high temperature of the material in the forming die cavity is uniformly absorbed by the heat absorbing aluminum plates and is intensively radiated into a heat collecting groove, the heat collecting groove and the radiating groove at the upper side are respectively designed into a conical structure and an inverted conical structure, the high temperature heat absorbed by the heat absorbing aluminum plates can be concentrated at the upper end position through the heat collecting groove, the concentrated heat can be diffused to the upper end of the radiating groove again through the radiating groove, and the heat is circularly absorbed through a circulating condensing, therefore, the cooling rate of the die is kept consistent during molding, the compactness of the product after molding is similar, and the product quality is improved.

Description

Powder metallurgy die cooling mechanism

Technical Field

The utility model belongs to the technical field of the mould cooling is relevant, concretely relates to powder metallurgy mould cooling body.

Background

Powder metallurgy is a process technique for producing metal powder or metal powder (or a mixture of metal powder and nonmetal powder) as a raw material, and then forming and sintering the raw material to produce metal materials, composite materials and various products. Powder metallurgy dies are the primary forming tool for powder compaction. It is related to the quality, cost, safety and productivity of powder metallurgy product production, and has a very important influence on the powder metallurgy process and parts.

The existing powder metallurgy die cooling mechanism technology has the following problems: traditional powder metallurgy die cooling body is when condensation circulation heat dissipation, because the cooling circulates to the outlet pipe through the inlet tube and reaches the circulation cooling, make the one end cooling effect who is close to the cooling inlet tube better, and the cooling effect who cools off the outlet pipe is relatively poor, thereby make the mould the cooling rate of each position when the shaping different, make radiating mould wall surface temperature difference appear, thereby make the product closely knit degree uneven after the shaping, and influence the shaping quality of product.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a powder metallurgy die cooling body to solve the traditional powder metallurgy die cooling body who provides in the above-mentioned background art and make the problem that heat dissipation mould wall surface temperature difference appears when the condensation circulation dispels the heat.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a powder metallurgy die cooling mechanism, includes cooler bin and metallurgical die body, the cooler bin is installed on the upper end outer wall of metallurgical die body, the inside radiating die wall that is provided with of lower extreme of metallurgical die body, the downside of radiating die wall is provided with the shaping die cavity, the upside of radiating die wall is provided with the thermal-arrest groove, the upper end in thermal-arrest groove is provided with heat conduction lower passageway, be connected with heat absorption aluminum plate on the upper end outer wall of radiating die wall, the inside of cooler bin is provided with the circulation condenser pipe, the downside of circulation condenser pipe is provided with the radiating groove, the lower extreme of radiating groove is provided with the heat conduction upper channel.

Preferably, the left side rear end of circulation condenser pipe is provided with the condensation outlet pipe, the left side front end of circulation condenser pipe is provided with the condensation inlet tube, all through fixed mounting ring fixed connection between condensation outlet pipe and the left end outer wall of condensation inlet tube and cooler bin.

Preferably, the distance between two adjacent aluminum heat absorbing plates on the outer wall of the upper end of the radiating mold wall is the same, and the aluminum heat absorbing plates and the radiating mold wall are kept in a mutually perpendicular state.

Preferably, the heat collecting groove and the heat radiating groove are both in a conical structure, and the upper end of the heat collecting groove and the lower end of the heat radiating groove gradually shrink inwards.

Preferably, the diameters of the circumferences of the heat conduction upper channel and the heat conduction lower channel are the same, and the centers of circles of the heat conduction upper channel and the heat conduction lower channel are vertically on the same straight line.

Preferably, the circulating condensation pipe is coiled inside the upper end of the heat dissipation groove in a curved structure.

Preferably, the number of the fixed mounting rings is two, and the outer wall of the left end of the cooling box is fixedly connected with the outer wall of the left end of the cooling box through screws.

Compared with the prior art of powder metallurgy die cooling mechanism, the utility model provides a powder metallurgy die cooling mechanism possesses following beneficial effect:

1. the utility model discloses a set up the same heat absorption aluminum plate of a plurality of intervals on radiating die wall upper end outer wall, the high temperature of material absorbs evenly in with the shaping die cavity through heat absorption aluminum plate, and concentrate and disperse to the heat-collecting groove in, the heat-collecting groove is toper and back taper structural design respectively with the radiating groove of upside, can concentrate the high temperature heat that heat absorption aluminum plate absorbed and come in upper end position department through the heat-collecting groove, and lead-in to the radiating groove, can spread the upper end of radiating groove again with the heat after concentrating through the radiating groove, and absorb the heat through circulation condenser pipe circulation, thereby make radiating die wall heat dissipation keep even, thereby make the mould cooling rate keep unanimous when the shaping, make the product closely knit degree near after the shaping, improve product quality;

2. the utility model discloses a heat dissipation groove and thermal-arrest groove of both sides communicate each other with the heat-collecting channel under passageway and the heat conduction on the heat conduction, thereby can concentrate the high temperature heat that comes with the heat dissipation groove and concentrate leading-in to the heat dissipation groove in, and the circulation condenser pipe is curved shape structure and coils inside the upper end of heat dissipation groove, because the toper structural design of heat dissipation groove, can distribute the upper end with the heat uniformly, and the inside circulation condenser pipe of coiling in heat dissipation groove upper end directly exposes in the upper end of heat dissipation groove, can go out a large amount of heat transmission that the heat dissipation groove persists through the circulation condenser pipe, thereby the temperature of mould when the shaping has been reduced, accelerate the cooling rate of mould, shorten the shaping time.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic structural view of a front section of a cooling mechanism of a powder metallurgy die according to the present invention;

fig. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic top view of the heat sink according to the present invention;

in the figure: 1. a circulating condenser pipe; 2. a cooling tank; 3. a thermally conductive upper channel; 4. a heat sink; 5. a metallurgical die body; 6. a heat dissipation mold wall; 7. a thermally conductive lower channel; 8. molding a mold cavity; 9. a heat absorbing aluminum plate; 10. a heat collection tank; 11. a condensation water outlet pipe; 12. fixing the mounting ring; 13. and condensing the water inlet pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 powder metallurgy die cooling mechanism comprises a cooling box 2 and a metallurgy die body 5, wherein the cooling box 2 is installed on the outer wall of the upper end of the metallurgy die body 5, a radiating die wall 6 is arranged inside the lower end of the metallurgy die body 5, a forming die cavity 8 is arranged on the lower side of the radiating die wall 6, a heat collecting groove 10 is arranged on the upper side of the radiating die wall 6, a heat conduction lower channel 7 is arranged at the upper end of the heat collecting groove 10, a heat absorption aluminum plate 9 is connected on the outer wall of the upper end of the radiating die wall 6, the distance between two adjacent heat absorption aluminum plates 9 on the outer wall of the upper end of the radiating die wall 6 is the same, the heat absorption aluminum plates 9 and the radiating die wall 6 are kept in a mutually vertical state, the high temperature of materials in the forming die cavity 8 can be uniformly absorbed through the heat absorption aluminum plates 9 on the outer wall of the upper end of the radiating die wall 6 and intensively diffused into, the downside of circulation condenser pipe 1 is provided with radiating groove 4, circulation condenser pipe 1 is that curved structure coils inside radiating groove 4's upper end, because radiating groove 4's toper structural design, can give off the upper end with the heat uniformly, and the inside circulation condenser pipe 1 that coils in radiating groove 4 upper end directly exposes in radiating groove 4's upper end, can go out through a large amount of heat transfer that circulation condenser pipe 1 stayed radiating groove 4, thereby the temperature of mould when the shaping has been reduced, reach refrigerated result of use.

A powder metallurgy die cooling mechanism comprises a heat collecting groove 10 and a heat radiating groove 4 which are both in a conical structure, the upper end of the heat collecting groove 10 and the lower end of the heat radiating groove 4 are gradually contracted inwards, high-temperature heat absorbed by a heat absorbing aluminum plate 9 can be concentrated at the upper end position through the heat collecting groove 10 and guided into the heat radiating groove 4 due to the inverted conical structure of the heat collecting groove 10, the concentrated heat can be diffused to the upper end of the heat radiating groove 4 again due to the conical structure design of the heat radiating groove 4, the heat can be circularly absorbed through a circulating condensing pipe 1, the lower end of the heat radiating groove 4 is provided with a heat conducting upper channel 3, the circumferential diameter of the heat conducting upper channel 3 is the same as that of a heat conducting lower channel 7, the circle centers of the heat conducting upper channel 3 and the heat conducting lower channel 7 are vertically aligned, the heat radiating grooves 4 at the upper side and the lower side are communicated with the heat collecting, thereby, the high-temperature heat concentrated by the heat dissipation groove 4 can be guided into the heat dissipation groove 4.

A powder metallurgy die cooling mechanism comprises a condensation water outlet pipe 11 arranged at the rear end of the left side of a circulation condensation pipe 1, a condensation water inlet pipe 13 arranged at the front end of the left side of the circulation condensation pipe 1, the condensation water outlet pipe 11, the condensation water inlet pipe 13 and the outer wall of the left end of a cooling box 2 are fixedly connected through a fixed mounting ring 12, the fixed mounting ring 12 is provided with two, the outer wall of the left end of each of the two cooling boxes 2 is fixedly connected with the outer wall of the left end of the cooling box 2 through a screw, so that the circulation condensation pipe 1 can be fixedly suspended in the upper end of a heat dissipation groove 4, the condensation water outlet pipes 11 at the two ends of the circulation condensation pipe 1 are connected with the condensation water inlet pipe 13 and external cooling equipment, so that cold water can enter the circulation condensation pipe 1 from the condensation water inlet pipe 13, because the cold water in the circulation condensation pipe 1 circularly flows, after the, the heat gathered in the heat dissipation groove 4 can be absorbed, and the heat is absorbed and flows out from the condensation water outlet pipe 11 at the other end of the circulation condensation pipe 1 after being heated, and then the heat is cooled to become cold water again, so that the reciprocating circulation cooling is realized.

The utility model discloses a theory of operation and use flow: after the utility model is installed, the novel powder metallurgy die cooling mechanism mainly uses the heat absorbing aluminum plate 9 and the circulating condenser tube 1 as the heat absorbing component and the heat dissipating component respectively, because the heat absorbing aluminum plate 9 is directly connected with the heat dissipating die wall 6, the high temperature of the material in the molding die cavity 8 can be uniformly absorbed by the heat absorbing aluminum plate 9 and intensively dissipated to the heat collecting groove 10, because of the inverted cone structure of the heat collecting groove 10, the high temperature heat absorbed by the heat absorbing aluminum plate 9 can be concentrated at the upper end position by the heat collecting groove 10, and the heat collecting groove 10 and the heat dissipating groove 4 at the upper side are kept in a communicated state by the heat conducting upper channel 3 and the heat conducting lower channel 7, the high temperature heat concentrated by the heat dissipating groove 4 is guided into the heat dissipating groove 4 under the discharge of the heat conducting upper channel 3 and the heat conducting lower channel 7, and the concentrated heat is diffused to the upper end of the heat dissipating groove 4 again under the conical structure, because fixed suspension of circulation condenser pipe 1 is inside the upper end of radiating groove 4, condensation outlet pipe 11 and the condensation inlet tube 13 at 1 both ends of circulation condenser pipe are connected with external cooling equipment respectively, because the inside cold water of circulation condenser pipe 1 is the circulation flow, after cold water enters into circulation condenser pipe 1, can absorb the heat that assembles in radiating groove 4, and absorb the heat and heat the back and flow out from condensation outlet pipe 11 of the 1 other end of circulation condenser pipe, become cold water again after cooling process, thereby the reciprocating cycle cooling, reach the fashioned effect of rapid cooling.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A powder metallurgy die cooling mechanism, includes cooler bin (2) and metallurgical die body (5), its characterized in that: the cooling box (2) is installed on the outer wall of the upper end of the metallurgical die body (5), the inside radiating die wall (6) that is provided with of the lower extreme of the metallurgical die body (5), the downside of radiating die wall (6) is provided with shaping die cavity (8), the upside of radiating die wall (6) is provided with thermal-arrest groove (10), the upper end of thermal-arrest groove (10) is provided with heat conduction lower channel (7), be connected with endothermic aluminum plate (9) on the outer wall of the upper end of radiating die wall (6), the inside of cooling box (2) is provided with circulating condensation pipe (1), the downside of circulating condensation pipe (1) is provided with radiating groove (4), the lower extreme of radiating groove (4) is provided with heat conduction upper channel (3).

2. The powder metallurgy die cooling mechanism of claim 1, wherein: the left side rear end of circulation condenser pipe (1) is provided with condensation outlet pipe (11), the left side front end of circulation condenser pipe (1) is provided with condensation inlet tube (13), all through fixed mounting ring (12) fixed connection between condensation outlet pipe (11) and the left end outer wall of condensation inlet tube (13) and cooler bin (2).

3. The powder metallurgy die cooling mechanism of claim 1, wherein: the distance between two adjacent heat absorption aluminum plates (9) on the outer wall of the upper end of the radiating mold wall (6) is the same, and the heat absorption aluminum plates (9) and the radiating mold wall (6) are kept in a mutually perpendicular state.

4. The powder metallurgy die cooling mechanism of claim 1, wherein: the heat collecting groove (10) and the heat radiating groove (4) are both in a conical structure, and the upper end of the heat collecting groove (10) and the lower end of the heat radiating groove (4) are gradually contracted inwards.

5. The powder metallurgy die cooling mechanism of claim 1, wherein: the heat conduction upper channel (3) and the heat conduction lower channel (7) are the same in circumferential diameter, and the circle centers of the heat conduction upper channel (3) and the heat conduction lower channel (7) are vertically on the same straight line.

6. The powder metallurgy die cooling mechanism of claim 1, wherein: the circulating condensation pipe (1) is coiled inside the upper end of the heat dissipation groove (4) in a curved structure.

7. The powder metallurgy die cooling mechanism of claim 2, wherein: the fixed mounting rings (12) are provided with two, and the outer wall of the left end of the cooling box (2) is fixedly connected with the outer wall of the left end of the cooling box (2) through screws.