Efficient sintering device for tungsten and molybdenum

Abstract

The utility model relates to the technical field of tungsten and molybdenum sintering, and discloses an efficient tungsten and molybdenum sintering device which comprises a furnace body, a vacuumizing assembly is arranged on the upper portion of the furnace body, a feeding and discharging assembly is arranged in the furnace body, a transverse plate is arranged in the furnace body, a placing assembly is arranged on the upper portion of the transverse plate, and an access door is installed on the front side of the outer portion of the furnace body. The feeding and discharging assembly comprises a motor, the motor is fixedly connected to the right side of the interior of the furnace body, the output end of the motor is fixedly connected with a first transmission wheel, the right side of the interior of the furnace body is rotationally connected with a second transmission wheel, and the first transmission wheel is connected with the second transmission wheel through a transmission belt. The exterior of the transmission belt is fixedly connected with a moving block. According to the automatic feeding and discharging device, automatic feeding and discharging of tungsten and molybdenum are convenient, manual feeding operation of operators is not needed, the automatic feeding and discharging device is simple and convenient, time and labor are saved, labor intensity and operation complexity are reduced, and therefore the tungsten and molybdenum sintering efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of tungsten and molybdenum sintering technology, and in particular to a high-efficiency sintering apparatus for tungsten and molybdenum. Background Technology

[0002] Tungsten and molybdenum are two important refractory metals with high melting points, high strength, and excellent corrosion resistance. They are widely used in engineering projects involving high temperatures, high strength, and special environments. In the processing of tungsten and molybdenum, the purpose of using sintering equipment is to transform the tungsten and molybdenum materials from a powder state into a dense solid structure through high-temperature treatment, while improving their mechanical properties, thermal properties, and chemical stability.

[0003] In existing sintering equipment, when sintering tungsten and molybdenum, the pre-pressed tungsten and molybdenum powder blank is first placed on the upper part of the sintering platform. Then, the sintering platform is placed inside the sintering furnace cavity. The pre-pressed tungsten and molybdenum powder blank is heated by an induction coil inside the sintering furnace. The induction coil uses high-frequency current to generate eddy current heat in the sintering platform and powder, thereby rapidly raising the temperature. After sintering is completed, the furnace door is opened and the blank is removed to complete the sintering operation of tungsten and molybdenum.

[0004] Although existing sintering equipment can complete the sintering operation of tungsten and molybdenum, when the pre-pressed tungsten and molybdenum powder blanks are placed on the upper part of the sintering platform, the operator needs to manually move the platform into the furnace body. After sintering, the platform still needs to be manually removed from the furnace body. This operation method is cumbersome, time-consuming and labor-intensive, increasing labor intensity and operational complexity, thereby reducing the sintering efficiency of tungsten and molybdenum. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a high-efficiency sintering device for tungsten and molybdenum, which aims to improve the problem that in the prior art, when the pre-pressed tungsten and molybdenum powder blank is placed on the upper part of the sintering platform, the operator needs to manually move the platform into the furnace body, and after sintering, the platform still needs to be manually moved out of the furnace body. This operation method is quite cumbersome.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] A high-efficiency sintering apparatus for tungsten and molybdenum includes a furnace body, a vacuum pumping assembly at the top of the furnace body, a loading and unloading assembly inside the furnace body, a horizontal plate inside the furnace body, a placement assembly at the top of the horizontal plate, and an inspection door installed on the front side of the furnace body.

[0008] The loading and unloading assembly includes a motor, which is fixedly connected to the inside right side of the furnace body. A first drive wheel is fixedly connected to the output end of the motor, and a second drive wheel is rotatably connected to the inside right side of the furnace body. The first drive wheel is connected to the second drive wheel via a drive belt. A moving block is fixedly connected to the outside of the drive belt, and a connecting plate is fixedly connected to the outside of the moving block. The top of the connecting plate is fixedly connected to the lower part of the horizontal plate.

[0009] Furthermore, the placement assembly includes fixing posts, which are inserted into the upper perimeter of the horizontal plate. A shelf is provided in the middle of the fixing posts, and pins are inserted into the interior of each fixing post. A shelf box is fixedly connected to both sides of the upper part of the shelf.

[0010] Furthermore, the vacuum assembly includes an air pump, which is fixedly connected to the upper part of the furnace body. The output end of the air pump is fixedly connected to an exhaust port, and the input end of the air pump is fixedly connected to a connecting pipe. An air extraction nozzle is fixedly connected to the bottom of the connecting pipe, and the air extraction nozzle is fixedly connected to the inner top of the furnace body.

[0011] Furthermore, a sliding hole is provided inside the furnace body, and the connecting plate is slidably connected inside the sliding hole.

[0012] Furthermore, the upper part of the horizontal plate is provided with insertion holes around its perimeter, and the plurality of fixing posts are inserted into the plurality of insertion holes.

[0013] Furthermore, through holes are provided on both sides of the outer side of the plurality of fixed columns, and the plurality of pins are slidably connected inside the plurality of through holes.

[0014] Furthermore, slots are provided around the outer perimeter of the shelf, and multiple pins are inserted into multiple slots.

[0015] Furthermore, a furnace cover is installed on the outside of the furnace body, a turntable is rotatably connected to the right side of the furnace cover, a threaded column is fixedly connected to the outside of the turntable, a positioning hole is opened on the right side of the outside of the furnace body, and the threaded column is threadedly connected to the positioning hole.

[0016] This utility model has the following beneficial effects:

[0017] 1. In this utility model, the starting motor drives the first transmission wheel, which in turn drives the moving block and connecting plate to move the horizontal plate out of the furnace body via the transmission belt and the second transmission wheel. After the tungsten and molybdenum are placed in the storage plate and storage box, the motor reverses to move the horizontal plate and the tungsten and molybdenum in the storage box back into the furnace body, and the furnace cover is closed for sintering. After sintering is completed, the motor operation is repeated to realize the automatic feeding of tungsten and molybdenum. This design realizes automatic feeding and feeding, is simple and efficient to operate, reduces labor intensity, and improves sintering efficiency.

[0018] 2. In this utility model, when placing tungsten molybdenum, the fixing post is inserted into the insertion hole of the horizontal plate, an appropriate amount of storage plate is placed as needed, and it is fixed with pins. Finally, the tungsten molybdenum is placed in the storage box to ensure material stability and facilitate subsequent processing operations. Attached Figure Description

[0019] Figure 1 This is a perspective view of a high-efficiency sintering apparatus for tungsten and molybdenum proposed in this utility model;

[0020] Figure 2 This is a schematic diagram of the internal structure of the furnace body of a high-efficiency sintering device for tungsten and molybdenum proposed in this utility model.

[0021] Figure 3 This is a schematic diagram of the transmission belt structure of a high-efficiency sintering device for tungsten and molybdenum proposed in this utility model;

[0022] Figure 4 This is a schematic diagram of the disassembled structure of the storage plate of a high-efficiency sintering device for tungsten and molybdenum proposed in this utility model.

[0023] Legend:

[0024] 1. Furnace body; 2. Furnace cover; 3. Turntable; 4. Air pump; 5. Exhaust port; 6. Connecting pipe; 7. Air nozzle; 8. Positioning hole; 9. Motor; 10. First drive wheel; 11. Second drive wheel; 12. Drive belt; 13. Moving block; 14. Connecting plate; 15. Horizontal plate; 16. Fixed column; 17. Shelf; 18. Shelf box; 19. Pin; 20. Slot; 21. Through hole; 22. Insertion hole; 23. Through hole; 24. Inspection door. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Reference Figure 1 and Figure 3This utility model provides an embodiment of a high-efficiency sintering device for tungsten and molybdenum, comprising a furnace body 1. A vacuum assembly is provided on the upper part of the furnace body 1 to facilitate the extraction of air from the furnace body 1, reduce the oxygen content, and prevent the tungsten and molybdenum from undergoing oxidation reaction with oxygen at high temperatures, thereby protecting the material surface and improving product quality. A loading and unloading assembly is provided inside the furnace body 1 to facilitate the loading and unloading of tungsten and molybdenum. A horizontal plate 15 is provided inside the furnace body 1, and a placement assembly is provided on the upper part of the horizontal plate 15 to facilitate the placement of tungsten and molybdenum of different shapes. An inspection door 24 is installed on the front side of the furnace body 1. A furnace cover 2 is installed on the outside of the furnace body 1 to facilitate the sealing operation of the furnace body 1. A turntable 3 is rotatably connected to the right side of the outside of the furnace cover 2, and a threaded column is fixedly connected to the outside of the turntable 3. A positioning hole 8 is opened on the right side of the outside of the furnace body 1. The threaded column is threadedly connected to the positioning hole 8. The furnace cover 2 can be opened by rotating the turntable 3 to disengage the threaded column from the inside of the positioning hole 8. Conversely, the furnace cover 2 can be closed.

[0027] The loading and unloading assembly includes a motor 9, which is fixedly connected to the inside right side of the furnace body 1. The output end of the motor 9 is fixedly connected to a first transmission wheel 10, and a second transmission wheel 11 is rotatably connected to the inside right side of the furnace body 1. The first transmission wheel 10 is connected to the second transmission wheel 11 through a transmission belt 12. A moving block 13 is fixedly connected to the outside of the transmission belt 12, and a connecting plate 14 is fixedly connected to the outside of the moving block 13. The top of the connecting plate 14 is fixedly connected to the lower part of the horizontal plate 15. A sliding hole 23 is provided inside the furnace body 1, and the connecting plate 14 is slidably connected inside the sliding hole 23. The sliding hole 23 facilitates the movement of the connecting plate 14.

[0028] Specifically, during the sintering operation of tungsten and molybdenum, firstly, the rotating turntable 3 drives the threaded column fixed at the bottom to move out of the positioning hole 8. This action makes room for the opening of the furnace cover 2 and subsequent operations. Then, the operator opens the furnace cover 2, exposing the inside of the sintering furnace and preparing for the feeding operation. Next, the motor 9 is started. After the motor 9 starts, it drives the first transmission wheel 10 fixed at its output end to rotate. The rotation of the first transmission wheel 10 is connected to the second transmission wheel 11 through the transmission belt 12, so that the second transmission wheel 11 rotates synchronously. Simultaneously, the rotation of the transmission belt 12 will also drive the movement of the externally fixed moving block 13. The movement of the moving block 13 will further drive the movement of the externally fixed connecting plate 14. The movement of the connecting plate 14 will push the top fixed horizontal plate 15 to move. Through this transmission, the horizontal plate 15 is smoothly moved out of the sintering furnace body 1. After the horizontal plate 15 is moved out of the furnace body 1, the operator can place the tungsten molybdenum material on the storage plate 17 on the upper part of the horizontal plate 15, and put the tungsten molybdenum material into the storage boxes 18 fixed on both sides of the storage plate 17 to ensure the safe fixation of the material. After being placed stably, the motor 9 is reversed, causing the first transmission wheel 10 to rotate in the opposite direction. Through the coordinated action of the transmission belt 12 and the second transmission wheel 11, the moving block 13 fixed externally to the transmission belt 12 moves towards the interior of the furnace body 1. As the moving block 13 moves, the connecting plate 14 is also synchronously driven towards the interior of the furnace body 1. The connecting plate 14 further pushes the horizontal plate 15 and its upper storage box 18 into the furnace body 1, accurately delivering the tungsten-molybdenum material into the sintering area of ​​the furnace body 1. Subsequently, the operator closes the furnace cover 2. Isolating the external environment, the sintering operation of tungsten and molybdenum begins. After sintering, the operation of motor 9 is repeated. Motor 9 drives the first transmission wheel 10 and the moving block 13 outside the transmission belt 12 to move out of the furnace body 1 again. At the same time, it drives the connecting plate 14 and the horizontal plate 15 to move the storage box 18 containing the sintered tungsten and molybdenum material out of the furnace body 1. Finally, the operator can easily take out the sintered tungsten and molybdenum from the storage box 18. The automated operation shortens the time for feeding, unloading and positioning, and greatly improves the working efficiency of tungsten and molybdenum sintering.

[0029] Reference Figure 2 and Figure 4The placement component includes fixed posts 16, which are inserted into the upper perimeter of the horizontal plate 15. A shelf 17 is provided in the middle of each fixed post 16, facilitating the installation of a storage box 18. Pins 19 are inserted into the interior of each fixed post 16. Storage boxes 18 are fixedly connected to both sides of the upper part of the shelf 17, facilitating the placement of tungsten molybdenum of different shapes. Insertion holes 22 are provided around the upper perimeter of the horizontal plate 15, and the fixed posts 16 are inserted into these holes 22 for easy installation. Through holes 21 are provided on both sides of the exterior of each fixed post 16, and pins 19 are slidably connected inside these through holes 21, facilitating the movement of the pins 19. Slots 20 are provided around the exterior of the shelf 17, and the pins 19 are inserted into these slots 20 for easy fixation.

[0030] Specifically, firstly, the operator accurately inserts the four fixing posts 16 into the pre-drilled holes 22 around the upper perimeter of the horizontal plate 15. The design of the holes 22 ensures a stable connection between the fixing posts 16 and the horizontal plate 15. The four fixing posts 16 are evenly distributed at the four corners of the horizontal plate 15, forming a stable support structure and providing a reliable foundation for placing tungsten and molybdenum. Based on the specific requirements of the sintering operation and the quantity of tungsten and molybdenum material, an appropriate number of placement plates 17 are selected for installation. The placement plates 17 are made of high-strength, high-temperature resistant material, capable of withstanding the weight of the tungsten and molybdenum material and the high-temperature environment during the sintering process. During installation, the placement plates 17 are... The storage plate 17 is placed in the middle of the four fixed columns 16 to form a stable carrying platform. To ensure the stability of the storage plate 17 on the fixed columns 16, the operator fixes the storage plate 17 to the middle of the fixed columns 16 with pins 19. The four pins 19 are inserted into the corresponding holes of the fixed columns 16 to form a stable support. Finally, the operator places tungsten molybdenum materials of different shapes inside the storage box 18. It can accommodate tungsten molybdenum materials of various shapes (such as rods, sheets, blocks or powders) to ensure that the materials remain stable in position during the sintering process and do not shift, thus preventing the materials from slipping out and helping to improve the safety and stability of the placement process.

[0031] Reference Figure 3 The vacuum assembly includes a vacuum pump 4, which is fixedly connected to the upper part of the furnace body 1. The output end of the vacuum pump 4 is fixedly connected to an exhaust port 5, which facilitates the discharge of gas. The input end of the vacuum pump 4 is fixedly connected to a connecting pipe 6, and the bottom of the connecting pipe 6 is fixedly connected to a suction nozzle 7, which facilitates the intake of gas from inside the furnace body 1. The suction nozzle 7 is fixedly connected to the inner top of the furnace body 1.

[0032] Specifically, during vacuuming, the air pump 4 is activated, and air is drawn into the furnace body 1 through the air extraction nozzle 7. Then, it is transported through the connecting pipe 6 and finally discharged through the exhaust port 5. This facilitates vacuuming of the interior of the furnace body 1, reduces the oxygen content, and prevents tungsten and molybdenum from oxidizing at high temperatures, thereby protecting the material surface and improving product quality.

[0033] Working principle: During tungsten-molybdenum sintering, firstly, the rotating turntable 3 moves the threaded column fixed at the bottom out of the positioning hole 8. Then, the furnace cover 2 is opened. Next, the motor 9 is started. The motor 9 drives the first transmission wheel 10 fixed at the output end to rotate. The rotation of the first transmission wheel 10 drives the second transmission wheel 11 to rotate via the transmission belt 12. When the transmission belt 12 rotates, it moves the externally fixed moving block 13. The movement of the moving block 13 moves the externally fixed connecting plate 14. The movement of the connecting plate 14 moves the top fixed horizontal plate 15, so that the horizontal plate 15 is moved out of the furnace body 1. Then, the tungsten-molybdenum is placed inside the storage boxes 18 fixed on both sides of the upper part of the storage plate 17. Then, the motor 9 reverses and drives the first transmission wheel 10 to rotate. The transmission belt 12 and the second transmission wheel 11 work together to move the movable block 13 fixed outside the transmission belt 12 into the furnace body 1. Then, when the movable block 13 moves, it moves the externally fixed connecting plate 14 and the horizontal plate 15. The horizontal plate 15 moves and moves the tungsten molybdenum inside the storage box 18 into the furnace body 1. Then, the furnace cover 2 is closed, and the tungsten molybdenum is sintered through the furnace body 1. After sintering, the sintered tungsten molybdenum can be unloaded by repeating the operation of the motor 9. This realizes the automatic feeding and unloading of tungsten molybdenum without the need for manual feeding by operators. It is simple, convenient, time-saving, labor-saving, reduces labor intensity and operation complexity, thereby improving the sintering efficiency of tungsten molybdenum.

[0034] When placing tungsten molybdenum, firstly, insert four fixing posts 16 into the insertion holes 22 opened around the upper part of the horizontal plate 15. Then, according to the sintering amount required, select an appropriate number of placement plates 17 and place the placement plates 17 in the middle of the four fixing posts 16. Then, fix them with four pins 19. Finally, place tungsten molybdenum of different shapes inside the placement box 18. This makes it easy to place tungsten molybdenum of different shapes and avoids displacement of tungsten molybdenum on the upper part of the horizontal plate 15, which helps to facilitate the smooth progress of subsequent processing or operation.

[0035] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A high-efficiency sintering apparatus for tungsten and molybdenum, comprising a furnace body (1), characterized in that: The upper part of the furnace body (1) is provided with a vacuuming component, the inside of the furnace body (1) is provided with a loading and unloading component, the inside of the furnace body (1) is provided with a horizontal plate (15), the upper part of the horizontal plate (15) is provided with a placement component, and the front side of the furnace body (1) is provided with an inspection door (24). The loading and unloading assembly includes a motor (9), which is fixedly connected to the inside right side of the furnace body (1). The output end of the motor (9) is fixedly connected to a first transmission wheel (10), and the inside right side of the furnace body (1) is rotatably connected to a second transmission wheel (11). The first transmission wheel (10) is connected to the second transmission wheel (11) through a transmission belt (12). A moving block (13) is fixedly connected to the outside of the transmission belt (12), and a connecting plate (14) is fixedly connected to the outside of the moving block (13). The top of the connecting plate (14) is fixedly connected to the lower part of the horizontal plate (15).

2. The high-efficiency sintering apparatus for tungsten and molybdenum according to claim 1, characterized in that: The placement assembly includes a fixing post (16), which is inserted into the upper periphery of the horizontal plate (15). A shelf (17) is provided in the middle of the fixing post (16). A pin (19) is inserted into the interior of each fixing post (16). A shelf box (18) is fixedly connected to both sides of the upper part of the shelf (17).

3. The high-efficiency sintering apparatus for tungsten and molybdenum according to claim 1, characterized in that: The vacuum assembly includes a vacuum pump (4), which is fixedly connected to the upper part of the furnace body (1). The output end of the vacuum pump (4) is fixedly connected to an exhaust port (5), and the input end of the vacuum pump (4) is fixedly connected to a connecting pipe (6). The bottom of the connecting pipe (6) is fixedly connected to an air extraction nozzle (7), which is fixedly connected to the inner top of the furnace body (1).

4. The high-efficiency sintering apparatus for tungsten and molybdenum according to claim 1, characterized in that: The furnace body (1) has a sliding hole (23) inside, and the connecting plate (14) is slidably connected inside the sliding hole (23).

5. The high-efficiency sintering apparatus for tungsten and molybdenum according to claim 2, characterized in that: The upper part of the horizontal plate (15) is provided with insertion holes (22) around the perimeter, and the multiple fixing posts (16) are inserted into the multiple insertion holes (22).

6. The high-efficiency sintering apparatus for tungsten and molybdenum according to claim 2, characterized in that: Multiple fixed posts (16) have through holes (21) on both sides of their outer sides, and multiple pins (19) are slidably connected inside the multiple through holes (21).

7. The high-efficiency sintering apparatus for tungsten and molybdenum according to claim 2, characterized in that: The shelf (17) has slots (20) on all four sides, and multiple pins (19) are inserted into the slots (20).

8. The high-efficiency sintering apparatus for tungsten and molybdenum according to claim 1, characterized in that: A furnace cover (2) is installed on the outside of the furnace body (1). A turntable (3) is rotatably connected to the right side of the furnace cover (2). A threaded column is fixedly connected to the outside of the turntable (3). A positioning hole (8) is opened on the right side of the furnace body (1). The threaded column and the positioning hole (8) are threadedly connected.

Images