CN220398238U - Metal vacuum sintering furnace - Google Patents

Abstract

The utility model relates to the technical field of metal vacuum sintering, in particular to a metal vacuum sintering furnace. The technical proposal comprises: the device comprises a booster pump, a furnace body, a vacuum pump and a base, wherein the booster end on the bottom end of the booster pump and the vacuumizing end on the bottom end of the vacuum pump are all penetrated through the surface of a mounting plate and are connected with a vent pipe through pipe connectors, an electromagnetic induction heating ring is arranged in the furnace body, an air pressure detection sensor is arranged at the top end of the furnace body, a hydraulic cylinder is arranged at the central position of the bottom of the furnace body, a hydraulic telescopic rod is arranged at the top end of the hydraulic cylinder, the top end of the hydraulic telescopic rod penetrates through the bottom of the furnace body and extends to the inside of the furnace body and is connected with a lifting plate, and a mounting groove is formed in the top of the lifting plate. The utility model can effectively cool and filter the high-temperature flue gas generated during metal sintering, avoids the situation that the high-temperature flue gas pollutes the surrounding environment, and has strong practicability.

Description

Metal vacuum sintering furnace

Technical Field

The utility model relates to the technical field of metal vacuum sintering, in particular to a metal vacuum sintering furnace.

Background

The vacuum sintering furnace is a furnace which bonds ceramic green compact solid particles with each other under high temperature and vacuum, the crystal grains grow up, the gaps (pores) and crystal boundaries gradually decrease, the volume shrinks and the density increases, and finally a compact polycrystalline sintered body with a certain microstructure is obtained, and the current sintering process is integrated by taking metal (Co, ni) as a main material, also called a metal ceramic material and a ceramic phase (TiC, taC, nbC) as a base, and the temperature is higher than that of a binding phase.

In the prior art, the following problems exist:

when metal is sintered, because the metal material is more or less provided with certain impurities, the impurities on the metal material can generate certain high-temperature smoke after being heated and burned at high temperature, after the metal sintering is finished, the high-temperature smoke is directly discharged to the outside to influence the surrounding environment, and the high-temperature smoke is in equipment, a furnace body is opened by a worker, and the worker can be scalded when the high-temperature smoke is sprayed out, so that the metal vacuum sintering furnace is provided for solving the existing problem.

Disclosure of Invention

The utility model aims to provide a metal vacuum sintering furnace, which solves the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a metal vacuum sintering stove, includes booster pump, furnace body, vacuum pump and base, the surperficial and the pipe that all runs through of the mounting panel of evacuation end on the booster pump bottom and the evacuation end on the vacuum pump bottom are connected through pipe class joint and breather pipe, the inside of furnace body is provided with electromagnetic induction heating circle, the inside top of furnace body is provided with pneumatic detection sensor, the pneumatic cylinder is installed to the bottom central point of furnace body, hydraulic telescoping rod is installed on the top of pneumatic cylinder, the top of hydraulic telescoping rod runs through the bottom of furnace body and extends to the inside of furnace body and be connected with the lifter plate, the mounting groove has been seted up at the top of lifter plate, install metal sintering groove in the mounting groove, the water tank is installed to upper surface one side of base, the top of water tank is provided with water pipe and first play tuber pipe, first play tuber pipe is connected with the air inlet pipe on the box bottom central point through pipe class joint, the internally mounted of box has plate-type active carbon filter screen.

Through the cooperation setting of a series of structures, when the metal material piece is sintered, the metal material is placed into the metal sintering groove by the staff, the hydraulic cylinder is started by the staff, so that the metal sintering groove is positioned at the inner side of the electromagnetic induction heating ring, the vacuum pump is started by the staff to vacuumize the inner part of the furnace body, the electromagnetic induction heating ring is started by the staff to heat and sinter the metal material in the metal sintering groove after the furnace body is in a vacuum environment, the booster pump is started by the staff after the metal material is sintered, so that the air pressure in the inner part of the furnace body is greater than the air pressure outside, the electromagnetic valve on the second air outlet pipe, the second connecting pipe and the first air outlet pipe is opened by the staff, the high-temperature flue gas in the furnace body flows into the water tank under the action of air pressure difference, the water in the water tank cools the flue gas and removes particles in the flue gas, the cooled flue gas flows into the box, the plate-type active carbon filter screen in the flue gas is adsorbed, and finally the air outlet is discharged to the outside, so that the high-temperature generated during metal sintering can be effectively filtered, the condition that the high-temperature flue gas pollutes the surrounding environment is avoided, the condition that the high-temperature flue gas is polluted, the high-temperature condition is also, the high-temperature flue gas is prevented from being blown out, and the high-temperature security condition is avoided, and the people is opened, and the safety is protected.

Preferably, the booster pump and the vacuum pump are both arranged on the upper surface of the mounting plate, the mounting plate is connected with the top of the furnace body through the first supporting rod, and the vent pipe is arranged at the top of the furnace body.

Preferably, the front end face of the furnace body is provided with a first sealing door, the front end of the first sealing door is provided with a PLC controller and a first safety lock, the PLC controller is located at one side of the first safety lock, support columns are all installed at four corners of the bottom of the furnace body, and the bottom ends of the support columns are installed on the upper surface of the base.

Preferably, the two side outer walls of the lifting plate are provided with protruding blocks, the other ends of the protruding blocks are arranged in the strip-shaped slotted holes, the outer walls of the protruding blocks are in gap connection with the hole walls of the strip-shaped slotted holes, and the strip-shaped slotted holes are arranged below the two side inner walls of the furnace body.

Preferably, a second air outlet pipe is arranged on one side of the top of the furnace body, the other end of the second air outlet pipe is connected with a first connecting pipe through a pipe joint, the other end of the first connecting pipe is connected with a second connecting pipe through a pipe joint, the other end of the second connecting pipe penetrates through the top of the water tank and extends to the lower portion of the inside of the water tank, a drain pipe is arranged below the outer wall of one side of the water tank, electromagnetic valves are arranged on the water adding pipe, the second connecting pipe, the drain pipe, the first air outlet pipe, the second air outlet pipe and the vent pipe, a sealing ring is arranged between the second connecting pipe and the water tank, and a sealing ring is arranged at the joint between the hydraulic telescopic rod and the furnace body.

Preferably, the inside bottom of water tank is provided with temperature-detecting sensor and liquid level detection sensor, the bottom of box is connected with the top of water tank through the second bracing piece, the air-out slotted hole has been seted up at the top of box, the preceding terminal surface of box is provided with the second sealing door, the front end of second sealing door is provided with the second safety lock.

Preferably, both ends of the plate-type active carbon filter screen are all installed in the U-shaped groove on the U-shaped clamping plate, and the outer walls of both ends of the plate-type active carbon filter screen are connected with the groove walls of the U-shaped groove on the U-shaped clamping plate in a clearance way, and the U-shaped clamping plate is installed on the inner walls of both sides of the box body.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, through the matched arrangement of a series of structures, when the metal material piece is sintered, a worker places the metal material into the metal sintering groove, the worker starts the hydraulic cylinder, so that after the metal sintering groove is positioned at the inner side of the electromagnetic induction heating ring, the worker starts the vacuum pump to vacuumize the inner part of the furnace body, after the furnace body is in a vacuum environment, the worker starts the electromagnetic induction heating ring to heat and sinter the metal material in the metal sintering groove, after the metal material is sintered, the worker starts the booster pump, so that after the air pressure in the furnace body is higher than the air pressure outside, the worker opens the electromagnetic valve on the second air outlet pipe, the second connecting pipe and the first air outlet pipe, high-temperature flue gas in the furnace body flows into the water tank under the action of air pressure difference, the water in the water tank cools the flue gas and removes particles in the flue gas, the cooled flue gas flows into the box, the plate-type active carbon filter screen in the box adsorbs peculiar smell in the flue gas, and finally the air outlet is discharged to the outside, so that the high-temperature flue gas generated during metal sintering can be effectively filtered, the high-temperature flue gas generated during the metal sintering is prevented from polluting the environment, the high-temperature flue gas is also prevented from being blown out, and the high-temperature sealing performance of the metal door is prevented from being blown out, and the high-temperature security is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the water tank of the present utility model;

FIG. 3 is a cross-sectional view of the furnace body of the present utility model;

FIG. 4 is a schematic view of a lifter plate according to the present utility model;

FIG. 5 is a schematic view of the U-shaped card of the present utility model.

In the figure: 1. a first connection pipe; 2. a mounting plate; 3. a booster pump; 4. a first support bar; 5. a vacuum pump; 6. a tube-like joint; 7. an electromagnetic valve; 8. a furnace body; 9. a first sealing door; 10. a PLC controller; 11. a first security lock; 12. a support column; 13. a base; 14. a water supply pipe; 15. a seal ring; 16. a second connection pipe; 17. an air outlet slot; 18. a case; 19. a second security lock; 20. a second security lock; 21. a second support bar; 22. a first air outlet pipe; 23. a water tank; 24. a plate-type active carbon filter screen; 25. a U-shaped clamping plate; 26. an air inlet pipe; 27. a temperature detection sensor; 28. a liquid level detection sensor; 29. a drain pipe; 30. a vent pipe; 31. a second air outlet pipe; 32. an air pressure detecting sensor; 33. a bar-shaped slot; 34. a metal sintering groove; 35. a bump; 36. a lifting plate; 37. a hydraulic telescopic rod; 38. a hydraulic cylinder; 39. an electromagnetic induction heating coil; 40. and a mounting groove.

Detailed Description

The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.

Example 1

As shown in fig. 1-5, the metal vacuum sintering furnace provided by the utility model comprises a booster pump 3, a furnace body 8, a vacuum pump 5 and a base 13, wherein a booster end on the bottom end of the booster pump 3 and a vacuum pumping end on the bottom end of the vacuum pump 5 penetrate through the surface of a mounting plate 2 and are connected with a ventilation pipe 30 through a pipe joint 6, an electromagnetic induction heating ring 39 is arranged in the furnace body 8, an air pressure detection sensor 32 is arranged at the top end of the interior of the furnace body 8, a hydraulic cylinder 38 is arranged at the central position of the bottom of the furnace body 8, a hydraulic telescopic rod 37 is arranged at the top end of the hydraulic telescopic rod 38, the top end of the hydraulic telescopic rod 37 penetrates through the bottom of the furnace body 8, extends into the interior of the furnace body 8 and is connected with a lifting plate 36, a mounting groove 40 is formed at the top of the lifting plate 36, a metal sintering groove 34 is arranged in the mounting groove 40, a water tank 23 is arranged on one side of the upper surface of the base 13, a water adding pipe 14 and a first air outlet pipe 22 are arranged at the top of the water tank 23, the first air outlet pipe 22 is connected with an air inlet pipe 26 at the central position of the bottom of the box 18 through the pipe joint 6, and a plate-type active carbon filter screen 24 is arranged in the box 18.

The working principle of the metal vacuum sintering furnace based on the first embodiment is as follows: when the electromagnetic type electromagnetic heating furnace is used, an external power supply is connected, when a metal material piece is sintered, a worker places the metal material into the metal sintering groove 34, the worker starts the hydraulic cylinder 38, so that after the metal sintering groove 34 is positioned on the inner side of the electromagnetic induction heating ring 39, the worker starts the vacuum pump 5 to vacuumize the inside of the furnace body 8, after the furnace body 8 is in a vacuum environment, the worker starts the electromagnetic induction heating ring 39 to heat and sinter the metal material in the metal sintering groove 34, after the metal material is sintered, the worker starts the booster pump 3, so that after the air pressure in the inside of the furnace body 8 is larger than the air pressure in the outside, the worker opens the second air outlet pipe 31, the second connecting pipe 16 and the electromagnetic valve 7 on the first air outlet pipe 22, high-temperature flue gas in the furnace body 8 flows into the water tank 23 due to the action of air pressure difference, the water in the water tank 23 cools the flue gas and removes particles in the flue gas, the cooled flue gas flows into the box 18, the plate-type active carbon 24 in the flue gas adsorbs the peculiar smell in the flue gas, and finally the air outlet slot 17 is discharged to the outside, so that the high-temperature flue gas is effectively filtered when the metal sintering is completed, the high-temperature flue gas is well cooled, the high-temperature condition of the high temperature flue gas is avoided, and the high-temperature environment is prevented from being blown out, and the high-temperature condition is avoided, and the high-safety condition is avoided, and the high-temperature environment is sprayed, and when the high-temperature safety door is sprayed.

Example two

As shown in fig. 1-5, compared with the first embodiment, the present embodiment of the utility model further includes: the booster pump 3 and the vacuum pump 5 are both arranged on the upper surface of the mounting plate 2, the mounting plate 2 is connected with the top of the furnace body 8 through a first supporting rod 4, the vent pipe 30 is arranged at the top of the furnace body 8, the front end surface of the furnace body 8 is provided with a first sealing door 9, the front end of the first sealing door 9 is provided with a PLC controller 10 and a first safety lock 11, the PLC controller 10 is positioned at one side of the first safety lock 11, the bottom four corners of the furnace body 8 are all provided with supporting columns 12, the bottom ends of the supporting columns 12 are arranged on the upper surface of the base 13, the outer walls of the two sides of the lifting plate 36 are all provided with projections 35, the other ends of the projections 35 are arranged in strip-shaped slotted holes 33, the outer walls of the projections 35 are in gap connection with the hole walls of the strip-shaped slotted holes 33, the strip-shaped slotted holes 33 are arranged below the inner walls of the two sides of the furnace body 8, one side of the top of the furnace body 8 is provided with a second air outlet pipe 31, the other ends of the second air outlet pipe 31 are connected with the first connecting pipe 1 through pipe joints 6, the other end of the first connecting pipe 1 is connected with a second connecting pipe 16 through a pipe joint 6, the other end of the second connecting pipe 16 passes through the top of a water tank 23 and extends to the lower part of the inside of the water tank 23, a drain pipe 29 is arranged below the outer wall of one side of the water tank 23, a water adding pipe 14, the second connecting pipe 16, the drain pipe 29, a first air outlet pipe 22, a second air outlet pipe 31 and a vent pipe are all provided with electromagnetic valves 7, a sealing ring 15 is arranged between the second connecting pipe 16 and the water tank 23, a sealing ring 15 is arranged at the joint between a hydraulic telescopic rod 37 and a furnace body 8, a temperature detection sensor 27 and a liquid level detection sensor 28 are arranged at the bottom end of the inside of the water tank 23, the bottom of a box 18 is connected with the top of the water tank 23 through a second supporting rod 21, an air outlet slot 17 is arranged at the top of the box 18, a second sealing door 20 is arranged at the front end surface of the box 18, the front end of second sealing door 20 is provided with second safety lock 19, and the U type inslot on U type cardboard 25 is all installed at the both ends of board-like active carbon filter screen 24, and is the gap connection between the cell wall in the both ends outer wall of board-like active carbon filter screen 24 and the U type groove on the U type cardboard 25, and U type cardboard 25 is installed on the both sides inner wall of box 18.

In this embodiment, because the lug 35 is installed on the outer walls of both sides of the lifting plate 36, the other end of the lug 35 is installed in the bar-shaped slot hole 33, and the outer wall of the lug 35 is in gap connection with the hole wall of the bar-shaped slot hole 33, thereby enhancing the stability of the lifting plate 36 during lifting, the sealing ring 15 is arranged, and the sealing effect can be achieved on the connection between the second connecting pipe 16 and the water tank 23 and the connection between the hydraulic telescopic rod 37 and the furnace body 8, because both ends of the plate-type active carbon filter screen 24 are installed in the U-shaped slot on the U-shaped clamp plate 25, and the outer walls of both ends of the plate-type active carbon filter screen 24 are in gap connection with the slot wall of the U-shaped slot on the U-shaped clamp plate 25, thereby facilitating the disassembly, replacement or cleaning of the plate-type active carbon filter screen 24 by workers.

The above-described embodiments are merely a few preferred embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.

Claims (7)

1. The utility model provides a metal vacuum sintering stove, includes booster pump (3), furnace body (8), vacuum pump (5) and base (13), its characterized in that: the utility model discloses a filter screen, including installation board (18) and filter screen, the surface of installing board (8) is connected through pipe class joint (6) and breather pipe (30) to the evacuation end on booster pump (3) bottom and vacuum pump (5) bottom, the inside of furnace body (8) is provided with electromagnetic induction heating circle (39), the inside top of furnace body (8) is provided with atmospheric pressure detection sensor (32), pneumatic cylinder (38) are installed in the bottom central point of furnace body (8), hydraulic expansion link (37) are installed on the top of pneumatic cylinder (38), the top of hydraulic expansion link (37) runs through the bottom of furnace body (8) and extends to the inside of furnace body (8) and be connected with lifter plate (36), mounting groove (40) have been seted up at the top of lifter plate (36), install metal sintering groove (34) in mounting groove (40), water tank (23) are installed on one side of the upper surface of base (13), the top of water tank (23) is provided with water pipe (14) and first tuber pipe (22), first tuber pipe (22) are connected with the inside of filter screen (18) through the top of box (18) and filter screen center of the inside of the box (18).

2. A metal vacuum sintering furnace according to claim 1, characterized in that: the booster pump (3) and the vacuum pump (5) are both installed on the upper surface of the installation plate (2), the installation plate (2) is connected with the top of the furnace body (8) through the first supporting rod (4), and the vent pipe (30) is arranged at the top of the furnace body (8).

3. A metal vacuum sintering furnace according to claim 1, characterized in that: the front end face of the furnace body (8) is provided with a first sealing door (9), the front end of the first sealing door (9) is provided with a PLC (programmable logic controller) 10 and a first safety lock (11), the PLC (10) is located on one side of the first safety lock (11), support columns (12) are all installed at four corners of the bottom of the furnace body (8), and the bottom ends of the support columns (12) are installed on the upper surface of a base (13).

4. A metal vacuum sintering furnace according to claim 1, characterized in that: the lifting plate is characterized in that protruding blocks (35) are arranged on the outer walls of the two sides of the lifting plate (36), the other ends of the protruding blocks (35) are arranged in the strip-shaped slotted holes (33), the outer walls of the protruding blocks (35) are in clearance connection with the hole walls of the strip-shaped slotted holes (33), and the strip-shaped slotted holes (33) are arranged below the inner walls of the two sides of the furnace body (8).

5. A metal vacuum sintering furnace according to claim 1, characterized in that: the top one side of furnace body (8) is provided with second tuber pipe (31), the other end of second tuber pipe (31) is connected with first connecting pipe (1) through pipe type joint (6), the other end of first connecting pipe (1) is connected with second connecting pipe (16) through pipe type joint (6), the other end of second connecting pipe (16) passes the top of water tank (23) and extends to the inside below of water tank (23), one side outer wall below of water tank (23) is provided with drain pipe (29), all be provided with solenoid valve (7) on water pipe (14), second connecting pipe (16), drain pipe (29), first tuber pipe (22), second tuber pipe (31) and the ventilation pipe, be provided with sealing washer (15) between second connecting pipe (16) and water tank (23), junction between hydraulic telescoping rod (37) and furnace body (8) is provided with sealing washer (15).

6. A metal vacuum sintering furnace according to claim 1, characterized in that: the inside bottom of water tank (23) is provided with temperature-detecting sensor (27) and liquid level detection sensor (28), the bottom of box (18) is connected with the top of water tank (23) through second bracing piece (21), air-out slotted hole (17) have been seted up at the top of box (18), the preceding terminal surface of box (18) is provided with second sealing door (20), the front end of second sealing door (20) is provided with second safety lock (19).

7. A metal vacuum sintering furnace according to claim 1, characterized in that: the two ends of the plate-type active carbon filter screen (24) are arranged in the U-shaped groove on the U-shaped clamping plate (25), the outer walls of the two ends of the plate-type active carbon filter screen (24) are in clearance connection with the groove walls of the U-shaped groove on the U-shaped clamping plate (25), and the U-shaped clamping plate (25) is arranged on the inner walls of the two sides of the box body (18).