CN218744849U

CN218744849U - Metallurgical sintering forming device with temperature control function

Info

Publication number: CN218744849U
Application number: CN202222729371.6U
Authority: CN
Inventors: 林炎新
Original assignee: Guangzhou Hechang Powder Metallurgy Products Co ltd
Current assignee: Guangzhou Hechang Powder Metallurgy Products Co ltd
Priority date: 2022-10-18
Filing date: 2022-10-18
Publication date: 2023-03-28
Anticipated expiration: 2032-10-18

Abstract

The utility model relates to a powder metallurgy production technical field, and a metallurgical sintering forming device with temperature control function is disclosed, which comprises a base, the fixed U-shaped cover that is equipped with in upper end of base, logical groove has been seted up to the up end of base, and the inside that leads to the groove is equipped with chain belt conveyor components, chain belt conveyor components's top is equipped with a plurality of sintering casees, the inside of each sintering case all is equipped with electric heating mechanism, the lateral wall all is connected with the conducting block around each sintering case, the inner wall all is fixed and is equipped with the insulating frame around the U-shaped cover, the upper end of each insulating frame is all fixed be equipped with the conducting rod corresponding with the conducting block position, and each conducting block all sets up with the pole wall sliding contact of homonymy conducting rod. This application can reach high-efficient sintering and abundant sintering effect through subregion regulation and control and the mode of heating step by step to do benefit to the quality that improves metallurgical spare part, can carry out sintering process, convenient to use in vacuum environment simultaneously.

Description

Metallurgical sintering forming device with temperature control function

Technical Field

The application relates to the technical field of powder metallurgy production, in particular to a metallurgical sintering forming device with a temperature control function.

Background

Powder metallurgy is a process technology for manufacturing metal materials, composite materials and various products by preparing metal powder or using metal powder as a raw material and forming and sintering the metal powder, wherein sintering is a metallurgical product with certain porosity by utilizing a series of physical and chemical processes of diffusion, recrystallization, fusion welding, combination, dissolution and the like among powder particles.

In the process of implementing the application, the inventor finds that the vacuum sintering furnace is one of the core production devices in powder metallurgy, in the process of sintering, a product to be sintered is placed in a vacuum cavity in a furnace body, the product is sintered by heating, the heating control generally consists of two parts of preheating and heating, in this way, when a plurality of products are sintered at a time, the needed sintering time is longer, and due to more products, the uniform sintering is not facilitated, and when a plurality of products are sintered at a time, the materials need to be fed and discharged for a plurality of times, the overall efficiency is lower, so that the metallurgical sintering forming device with the temperature control function is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a metallurgical sintering forming device with temperature control function that the purpose is in order to solve among the prior art carries out sintering processing through the vacuum sintering stove when the product of single sintering is more, required sintering time is longer, and because the product is more, is unfavorable for even sintering, and when the product of single sintering is less, need again to pass in and out material many times, overall efficiency is on the low side, and the problem.

In order to achieve the purpose, the following technical scheme is adopted in the application:

the utility model provides a metallurgical sintering forming device with temperature control function, includes the base, the fixed U-shaped cover that is equipped with in upper end of base, logical groove has been seted up to the up end of base, and the inside that leads to the groove is equipped with chain belt conveyor components, chain belt conveyor components's top is equipped with a plurality of sintering casees, and is individual the inside of sintering case all is equipped with electric heating mechanism, and is individual the preceding back lateral wall of sintering case all is connected with the conducting block, the inner wall is all fixed and is equipped with the insulator bay around the U-shaped cover, each the upper end of insulator bay is all fixed be equipped with the conducting rod corresponding with the conducting block position, and each conducting block all sets up with the pole wall sliding contact of homonymy conducting rod, each the resistance value of conducting rod is degressive setting in proper order from the feed end to the discharge end of base, the terminal surface of U-shaped cover is connected with a plurality ofly and sintering case position corresponding sealed evacuation mechanism.

Preferably, each electric heating mechanism all is including the heat conduction steel casing that is fixed to be equipped with in the sintering incasement wall, the position between heat conduction steel casing and the sintering case is filled with heat conduction fluid, the fixed position between sintering case and the heat conduction steel casing is equipped with a plurality of electric heat poles, each the electric heat pole all is connected with two conducting blocks of homonymy.

Preferably, each sealed evacuation mechanism all includes the fixed hydro-cylinder of pegging graft in the U-shaped cover terminal surface, and the output of hydro-cylinder is fixed with sealed clamp plate, the fixed vacuum pump that is equipped with of terminal surface of sealed clamp plate, and the aspiration end of vacuum pump is fixed with the exhaust tube, and the exhaust tube runs through the terminal surface setting of sealed clamp plate.

Preferably, each the bottom four corners department of sintering case all fixedly is equipped with the callus on the sole inserted block, the fixed surface of chain belt conveyor components is equipped with multiunit joint piece, and the terminal surface of each joint piece all seted up with callus on the sole inserted block assorted slot, each group the quantity of joint piece is four settings.

Preferably, the front outer side wall and the rear outer side wall of each sintering box are fixedly provided with supporting blocks, the end faces of the supporting blocks are connected with T-shaped insulating rods in a sliding mode, each conducting block is located at the lower end of the T-shaped insulating rod on the same side and fixedly arranged, and springs are fixedly arranged between the lower end of the horizontal portion of each T-shaped insulating rod and the upper end of the supporting block on the same side.

Preferably, the length of the U-shaped cover is smaller than that of the chain belt conveying assembly, and the U-shaped cover and the base are arranged on the same central axis.

Compared with the prior art, the application provides a metallurgical sintering forming device with temperature control function, possesses following beneficial effect:

1. this metallurgical sintering forming device with temperature control function, base through being equipped with, the U-shaped cover, chain belt conveyor components, the sintering case, the conducting block, the insulating frame, mutually supporting of conducting rod and electric heat mechanism, through a plurality of sintering casees, can form the temperature control of subregion, and the resistance value through each conducting rod design that declines in proper order, can make and treat that the sintering mode of sintering product through the gradual progress formula carries out the shaping, thereby can make metallurgical spare part form compact structure from loose structure gradually, promote the bulk hardness of metallurgical spare part, compare in traditional single district heating methods, because the product in the single sintering incasement is less, required heat time is less, and a plurality of sintering casees can once only form a plurality of products again, namely through the mode of subregion regulation and gradual heating, can reach high-efficient sintering and abundant sintering effect, and do benefit to the quality that improves metallurgical spare part.

2. This metallurgical sintering forming device with temperature control function through the sealed evacuation mechanism that is equipped with, can carry out evacuation treatment to each sintering case to can do benefit to and improve the sintering effect, avoid metallurgical spare part surface by the oxidation, through the setting of callus on the sole inserted block and joint piece, can make things convenient for the dismouting between sintering case and the chain belt conveyor components.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, and this application can reach high-efficient sintering and abundant sintering effect through subregion regulation and control and progressive heating's mode to do benefit to and improve the quality of metallurgical spare part, can carry out sintering process, convenient to use in the vacuum environment simultaneously.

Drawings

FIG. 1 is a schematic structural diagram of a metallurgical sintering molding device with a temperature control function, which is provided by the application;

FIG. 2 is a schematic view of the internal structure of the sintering chamber of FIG. 1;

FIG. 3 is a schematic view of the connection structure of the U-shaped cover and the insulating rod in FIG. 1;

fig. 4 is an enlarged view of a portion a of fig. 1.

In the figure: 1. a base; 2. a U-shaped cover; 3. a chain belt conveying assembly; 4. sintering box; 5. a conductive block; 6. an insulating frame; 7. a conductive rod; 8. a heat conductive steel cover; 9. an electric heating rod; 10. an oil cylinder; 11. sealing the pressure plate; 12. a vacuum pump; 13. an exhaust pipe; 14. a foot pad insert block; 15. a clamping block; 16. a supporting block; 17. a T-shaped insulating rod; 18. a spring.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments.

Referring to fig. 1-4, a metallurgical sintering forming device with temperature control function comprises a base 1, a U-shaped cover 2 is fixedly arranged at the upper end of the base 1, a through groove is formed in the upper end face of the base 1, a chain belt conveying assembly 3 is arranged inside the through groove, a plurality of sintering boxes 4 are arranged above the chain belt conveying assembly 3, an electric heating mechanism is arranged inside each sintering box 4, conductive blocks 5 are connected to the front outer side wall and the rear outer side wall of each sintering box 4, insulating frames 6 are fixedly arranged on the front inner wall and the rear inner wall of the U-shaped cover 2, a conductive rod 7 corresponding to the conductive block 5 is fixedly arranged at the upper end of each insulating frame 6, each conductive block 5 is in sliding contact with the rod wall of the conductive rod 7 on the same side, the resistance value of each conductive rod 7 is gradually decreased from the feeding end to the discharging end of the base 1, and a plurality of sealed vacuumizing mechanisms corresponding to the positions of the sintering boxes 4 are connected to the end face of the U-shaped cover 2, wherein the conveying assembly 3 is formed by components such as a chain belt cooperating with a chain wheel and a chain belt, and a driving motor.

Each electric heating mechanism is all including the fixed heat conduction steel casing 8 that is equipped with in 4 inner walls of sintering case, and the position between heat conduction steel casing 8 and the sintering case 4 is filled with heat conduction fluid, and the fixed position between sintering case 4 and the heat conduction steel casing 8 is equipped with a plurality of electric heat poles 9, and each electric heat pole 9 all is connected with two conducting blocks 5 of homonymy, through the work of electric heat pole 9, can cooperate heat conduction fluid heat conduction, can heat the sintering to sintering case 4 insides.

Each sealed evacuation mechanism all includes fixed hydro-cylinder 10 of pegging graft in 2 terminal surfaces of U-shaped cover, and the output of hydro-cylinder 10 is fixed with sealed clamp plate 11, the fixed vacuum pump 12 that is equipped with of terminal surface of sealed clamp plate 11, and the aspiration end of vacuum pump 12 is fixed with exhaust tube 13, and exhaust tube 13 runs through the terminal surface setting of sealed clamp plate 11, through hydro-cylinder 10 work, can make sealed clamp plate 11 move down, until make sealed clamp plate 11 and sintering case 4 sealed counterbalance, then work through vacuum pump 12, can make the inside air of sintering case 4 take out, do benefit to and improve the sintering effect, and prevent the surface oxidation of the metallurgical spare part of the in-process of sintering.

All fixed callus on the sole inserted block 14 that is equipped with in the bottom four corners department of each sintering case 4, the fixed surface of chain belt conveyor components 3 is equipped with multiunit joint piece 15, and the terminal surface of each joint piece 15 all seted up with callus on the sole inserted block 14 assorted slot, each group's joint piece 15 quantity is four settings, through inserting the joint piece 15 that corresponds with callus on the sole inserted block 14, can make things convenient for sintering case 4 and chain belt conveyor components 3 to install.

The lateral wall all fixes being equipped with supporting shoe 16 around each sintering case 4, the equal sliding connection of terminal surface of each supporting shoe 16 has T shape insulator spindle 17, and each conducting block 5 all is located the fixed setting of the lower extreme of homonymy T shape insulator spindle 17, all fix jointly between the upper end of horizontal part lower extreme and homonymy supporting shoe 16 of each T shape insulator spindle 17 and be equipped with spring 18, through this kind of setting, can pass through elastic telescopic's mode, make conducting block 5 and conducting rod 7 surface stabilization contact, and reduce the wearing and tearing influence.

The length of the U-shaped cover 2 is smaller than that of the chain belt conveying component 3, the U-shaped cover 2 and the base 1 are arranged on the same central axis, and through the arrangement, spaces for loading and unloading at two ends of the base 1 can be reserved.

In this application, during the use, metallurgical spare part that will treat the sintering is arranged in sintering box 4, and peg graft callus on the sole inserted block 14 on sintering box 4 in the slot on joint piece 15, then drive sintering box 4 through chain belt conveyor components 3 and remove, after conducting block 5 and corresponding conducting rod 7 contact, can make corresponding electric heat pole 9 work through conducting rod 7 and conducting block 5, form stable electric current through conducting rod 7 this moment, electric heat pole 9 sends stable temperature, cooperate heat conduction fluid, can carry out corresponding temperature heating sintering to sintering box 4 inside, after every sintering period, drive sintering box 4 through chain belt conveyor components 3 and remove to next conducting rod 7 department, the resistance value of conducting rod 7 becomes low this moment, thereby can make the electric current increase in passing through electric heat pole 9, thereby can make the temperature that electric heat pole 9 sent become hot, and then can contact in proper order with conducting block 5 through a plurality of conducting rods 7, can form the mode that heats the sintering gradually and accomplish the heating to metallurgical spare part.

The above description is only for the preferred embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present application, and all equivalent substitutions and changes according to the technical solutions and the inventive concepts of the present application should be covered by the scope of the present application.

Claims

1. The utility model provides a metallurgical sintering forming device with temperature control function, includes base (1), its characterized in that, the fixed U-shaped cover (2) that is equipped with in upper end of base (1), the up end of base (1) has been seted up and has been led to the groove, and the inside that leads to the groove is equipped with chain belt conveyor components (3), the top of chain belt conveyor components (3) is equipped with a plurality of sintering case (4), each the inside of sintering case (4) all is equipped with electric heating mechanism, each the lateral wall all is connected with conducting block (5) around sintering case (4), the inner wall all is fixed around U-shaped cover (2) is equipped with insulating frame (6), each the upper end of insulating frame (6) all is fixed be equipped with conducting rod (7) corresponding with conducting block (5) position, and each conducting block (5) all with the pole wall sliding contact setting of homonymy conducting rod (7), each the resistance value of conducting rod (7) is degressive setting in proper order from the feed end to the discharge end of base (1), the terminal vacuum pumping mechanism that the terminal surface of U-shaped cover (2) is connected with a plurality of sintering case (4) corresponding.

2. The metallurgical sintering molding device with the temperature control function according to claim 1, wherein each electric heating mechanism comprises a heat-conducting steel cover (8) fixedly arranged on the inner wall of the sintering box (4), a position between the heat-conducting steel cover (8) and the sintering box (4) is filled with heat-conducting oil, a plurality of electric heating rods (9) are fixedly arranged between the sintering box (4) and the heat-conducting steel cover (8), and each electric heating rod (9) is connected with two electric conduction blocks (5) on the same side.

3. The metallurgical sintering molding device with the temperature control function according to claim 1, wherein each sealing vacuum-pumping mechanism comprises an oil cylinder (10) fixedly inserted into an end face of the U-shaped cover (2), a sealing pressure plate (11) is fixed to an output end of the oil cylinder (10), a vacuum pump (12) is fixedly arranged on an end face of the sealing pressure plate (11), an air suction pipe (13) is fixed to an air suction end of the vacuum pump (12), and the air suction pipe (13) penetrates through the end face of the sealing pressure plate (11).

4. The metallurgical sintering molding device with the temperature control function according to claim 1, wherein foot pad insertion blocks (14) are fixedly arranged at four corners of the bottom of each sintering box (4), a plurality of groups of clamping blocks (15) are fixedly arranged on the outer surface of the chain belt conveying assembly (3), slots matched with the foot pad insertion blocks (14) are formed in the end surface of each clamping block (15), and the number of the clamping blocks (15) in each group is four.

5. The metallurgical sintering molding device with the temperature control function as claimed in claim 1, wherein supporting blocks (16) are fixedly arranged on the front and rear outer side walls of each sintering box (4), a T-shaped insulating rod (17) is slidably connected to the end surface of each supporting block (16), each conducting block (5) is fixedly arranged at the lower end of the same-side T-shaped insulating rod (17), and a spring (18) is fixedly arranged between the lower end of the horizontal part of each T-shaped insulating rod (17) and the upper end of the same-side supporting block (16).

6. The metallurgical sintering molding device with the temperature control function is characterized in that the length of the U-shaped cover (2) is smaller than the length of the chain belt conveying assembly (3), and the U-shaped cover (2) and the base (1) are arranged on the same central axis.