CN215427387U

CN215427387U - Molding agent recovery device for powder metallurgy equipment

Info

Publication number: CN215427387U
Application number: CN202121305244.2U
Authority: CN
Inventors: 何家标; 黎翔; 李小双; 黄保胜
Original assignee: Ailide Xin'an Vacuum Equipment Suzhou Co ltd
Current assignee: Ailide Xin'an Vacuum Equipment Suzhou Co ltd
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2022-01-07
Anticipated expiration: 2031-06-11

Abstract

The utility model discloses a forming agent recovery device for powder metallurgy equipment, which comprises a tank body, an upper jacket layer arranged at the top of the tank body in a copying manner, a lower jacket layer arranged at the bottom of the tank body in a copying manner, an inlet arranged on the side wall of the tank body and communicated with the inside of the tank body and used for filling forming agent steam and inert gas flow, an outlet arranged at the top of the tank body and communicated with the inside of the tank body and used for discharging inert gas flow, and a discharge valve arranged at the end part of the tank body and communicated with the inside of the tank body and used for discharging forming agent liquid; the upper jacket layer is internally provided with a heat source and a cold source which can alternately act, and the lower jacket layer is internally provided with a heat source which is uniformly distributed. The utility model solves the problem that the forming agent on the inner wall of the recovery device adheres to the inner wall of the recovery device when the forming agent is cooled.

Description

Molding agent recovery device for powder metallurgy equipment

Technical Field

The utility model belongs to the technical field of metallurgical equipment, and particularly relates to a forming agent recovery device for powder metallurgical equipment.

Background

In the powder metallurgy process, refractory metal and bonding metal are mixed, crushed, dried, extruded into powder compact with molding agent (usually paraffin/PEG polyethylene glycol), and sintered. Before sintering, the powder compact is heated to a certain temperature (referring to the volatilization temperature of the forming agent), the forming agent is separated from the powder compact, and the forming agent steam is collected into a collection container by using flowing inert gas as a carrier in a positive pressure (or negative pressure) mode. And weighing the forming agent in the collecting container, and dividing by the weight of the added forming agent to obtain the recovery rate of the forming agent. The recovery rate of the forming agent is an important index for the acceptance of sintering equipment.

The existing forming agent collecting container is condensed on the inner wall of the container after the forming agent airflow is cooled, and when the temperature is too low, part of the forming agent is adhered in the container and cannot be discharged, so that the phenomenon of insufficient recovery is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems, and provides a forming agent recovery device for powder metallurgy equipment, so as to solve the problem that the forming agent adheres to the inner wall of the recovery device when the forming agent is cooled. In order to achieve the purpose, the technical scheme of the utility model is as follows:

the forming agent recovery device for the powder metallurgy equipment comprises a tank body, an upper jacket layer arranged at the top of the tank body in a profiling mode, a lower jacket layer arranged at the bottom of the tank body in a profiling mode, an inlet which is arranged on the side wall of the tank body and communicated with the inside of the tank body and is used for filling forming agent steam and inert gas flow, an outlet which is arranged at the top of the tank body and communicated with the inside of the tank body and is used for discharging inert gas flow, and a discharge valve which is arranged at the end part of the tank body and communicated with the inside of the tank body and is used for discharging forming agent liquid; the upper jacket layer is internally provided with a heat source and a cold source which can alternately act, and the lower jacket layer is internally provided with a heat source which is uniformly distributed.

Specifically, the inside of the jar body is equipped with the holding cavity, and the one end of the jar body is the blind end, and the other end of the jar body is the open end.

Specifically, the discharge valve is arranged on the closed end of the tank body.

Specifically, the upper jacket layer and the lower jacket layer are both in a semi-arc structure, and a gap is formed between the upper jacket layer and the lower jacket layer along the axial direction of the tank body.

Specifically, the side edge of the upper jacket layer at the inlet is provided with a first water inlet pipe, and the side edge of the upper jacket layer at the outlet is provided with a first water outlet pipe.

Specifically, the side that the bottom on the jacket layer was located the open end of the jar body is equipped with the second inlet tube down, is located to be equipped with the second outlet pipe that feeds through jacket layer down on the blind end of the jar body.

Specifically, the both ends of jar body are equipped with respectively and are used for pressing from both sides cover layer and lower cover layer body coupling fixed mounting panel of pressing from both sides.

Compared with the prior art, the forming agent recovery device for the powder metallurgy equipment has the following beneficial effects:

the upper jacket layer and the lower jacket layer are arranged on the tank body, so that the temperature of the top and the bottom of the tank body can be flexibly controlled, the conveying state of the forming agent entering the tank body is controlled, and the problem that the traditional forming agent is condensed on the inner wall of the tank body for a long time is avoided; the heat source and the cold source are arranged to be attached to the outer wall of the tank body, so that the tank body is uniformly heated or cooled, and a desired control effect is achieved; each pipeline arrangement position on the jar body is reasonable, and mounting structure is stable and easily realize, has improved the rate of recovery of forming agent.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a second schematic structural diagram of the present embodiment;

FIG. 3 is a partial cross-sectional view of the present embodiment;

the figures in the drawings represent:

1 tank body, 11 inlets, 12 outlets, 13 discharge valves, 14 accommodating cavities, 15 closed ends, 16 open ends, 2 upper jacket layers, 3 lower jacket layers, 4 gaps, 5 first water inlet pipes, 51 first water outlet pipes, 6 second water inlet pipes, 61 second water outlet pipes, 7 mounting plates and 71 mounting holes.

Detailed Description

The technical solutions in the embodiments of the present invention are described clearly and completely below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.

Example (b):

referring to fig. 1-3, the recycling device of forming agent for powder metallurgy equipment in this embodiment comprises a tank 1, an upper jacket layer 2 formed on the top of the tank 1, a lower jacket layer 3 formed on the bottom of the tank 1, an inlet 11 formed on the side wall of the tank 1 and communicating with the inside of the tank for introducing steam of forming agent and inert gas, an outlet 12 formed on the top of the tank 1 and communicating with the inside of the tank for discharging inert gas, and a discharge valve 13 formed on the end of the tank 1 and communicating with the inside of the tank for discharging liquid of forming agent. Heat sources and cold sources which can alternately act are arranged in the upper jacket layer 2, and heat sources which are uniformly distributed are arranged in the lower jacket layer 3.

The inside of jar body 1 is equipped with holding cavity 14, and jar body 1's one end is the closed end, and its other end is open end 16, and discharge valve 13 locates on jar body 1's closed end 15. The open end 16 of the can body 1 is intended to be butted to a respective mounting station (not shown in the figures).

Go up and press from both sides cover layer 2 and press from both sides cover layer 3 down and be half arc structure, along jar body 1 axial direction, go up to press from both sides and be equipped with clearance 4 between cover layer 2 and the lower cover layer 3 of pressing from both sides for get rid of the temperature interference when interacting.

In this embodiment, the heat source is hot water, and the cold source is cold water. The side of the upper jacket layer 2 at the inlet 11 is provided with a first water inlet pipe 5, and the side of the upper jacket layer 2 at the outlet 12 is provided with a first water outlet pipe 51 for circulating hot water or cold water.

The bottom of the lower jacket layer 3 is provided with a second water inlet pipe 6 at the side of the open end 16 of the tank body 1, and a second water outlet pipe 61 communicated with the lower jacket layer 2 is arranged at the closed end 15 of the tank body 1.

The both ends of jar body 1 are equipped with respectively and are used for pressing from both sides cover layer 2 and lower cover layer 3 body coupling fixed mounting panel 7 that presss from both sides, are equipped with mounting hole 71 on the mounting panel 7 for fix a position jar body 1 to corresponding installation station.

When the method is applied, in the removing stage of the forming agent steam, cold water is introduced into the upper jacket layer 2, the forming agent steam and inert gas flow enter the inlet 11, and the forming agent steam is condensed on the inner wall of the tank body 1 after meeting the cold; at the later stage of the forming agent steam removing process, hot water is introduced into the upper jacket layer 2 to liquefy the forming agent condensed on the inner wall of the tank body 1, and the liquid forming agent flows out of the discharge valve.

In the embodiment, the upper jacket layer 2 and the lower jacket layer 3 are arranged on the tank body 1, so that the temperature of the top and the bottom of the tank body 1 is flexibly controlled, the conveying state of the forming agent entering the tank body is controlled, and the problem that the traditional forming agent is condensed on the inner wall of the tank body for a long time is avoided; the heat source and the cold source are arranged to be attached to the outer wall of the tank body 1, so that the tank body is uniformly heated or cooled, and a desired control effect is achieved; each pipeline arrangement position is reasonable on jar body 1, and mounting structure is stable and easily realize, has improved the rate of recovery of forming agent.

What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the utility model.

Claims

1. Powder metallurgy is forming agent recovery unit for equipment which characterized in that: the forming agent tank comprises a tank body, an upper jacket layer arranged on the top of the tank body in a profiling manner, a lower jacket layer arranged on the bottom of the tank body in a profiling manner, an inlet which is arranged on the side wall of the tank body and is communicated with the inside of the tank body and is used for filling forming agent steam and inert gas flow, an outlet which is arranged on the top of the tank body and is communicated with the inside of the tank body and is used for discharging inert gas flow, and a discharge valve which is arranged at the end part of the tank body and is communicated with the inside of the tank body and is used for discharging forming agent liquid; the upper jacket layer is internally provided with a heat source and a cold source which can alternately act, and the lower jacket layer is internally provided with a heat source which is uniformly distributed.

2. The forming agent recovery device for powder metallurgy equipment according to claim 1, wherein: the inside of jar body is equipped with the holding cavity, and the one end of jar body is the blind end, and the other end of jar body is the open end.

3. The recycling device of forming agent for powder metallurgy equipment according to claim 2, wherein: the discharge valve is arranged on the closed end of the tank body.

4. The forming agent recovery device for powder metallurgy equipment according to claim 1, wherein: the upper jacket layer and the lower jacket layer are both in a semi-arc structure, and a gap is formed between the upper jacket layer and the lower jacket layer along the axial direction of the tank body.

5. The forming agent recovery device for powder metallurgy equipment according to claim 1, wherein: the side edge of the upper jacket layer at the inlet is provided with a first water inlet pipe, and the side edge of the upper jacket layer at the outlet is provided with a first water outlet pipe.

6. The recycling device of forming agent for powder metallurgy equipment according to claim 2, wherein: the side that the bottom on lower jacket layer is located the open end of the jar body is equipped with the second inlet tube, is located to be equipped with the second outlet pipe that feeds through lower jacket layer on the blind end of the jar body.

7. The forming agent recovery device for powder metallurgy equipment according to claim 1, wherein: and mounting plates for integrally connecting and fixing the upper jacket layer and the lower jacket layer are respectively arranged at two ends of the tank body.