Sintering device for hard alloy ball tooth production

Abstract

The utility model relates to the technical field of hard alloy ball tooth production, and discloses a sintering device for hard alloy ball tooth production, which comprises a sintering furnace and a material storage tank, the outer surface of the bottom of the material storage tank is fixedly communicated with a material distribution cylinder, and the inside of the material distribution cylinder is rotatably connected with a material distribution shaft. The outer surface of the material distributing shaft is fixedly sleeved with a plurality of material distributing blades, a first motor is fixedly installed on the outer surface of the material distributing barrel, the output end of the first motor is fixedly connected with the material distributing shaft, the outer surface of the bottom of the material distributing barrel fixedly communicates with a discharging pipe, and the discharging pipe communicates with the interior of the sintering furnace. The powder raw materials are stored in the material storage tank for storage, the material distribution shaft is driven by the first motor to rotate, the material distribution shaft drives the material distribution blades to rotate, and when the powder raw materials between the two material distribution blades rotate to the position corresponding to the discharging pipe, the powder raw materials fall into the sintering furnace, so that the powder raw materials can be intermittently and continuously added, and the production efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the technical field of cemented carbide ball teeth production, specifically a sintering device for cemented carbide ball teeth production. Background Technology

[0002] Carbide ball teeth are an alloy material produced using powder metallurgy processes, with one or more refractory metal carbide powders as the base and cobalt, nickel, or other metal powders as binders. They possess extremely high hardness and strength, maintaining stable performance even in extremely harsh working environments. Simultaneously, they exhibit good wear resistance and impact resistance, enabling carbide ball teeth to withstand continuous friction and impact during prolonged high-intensity operations, maintaining their shape and performance stability. They are widely used in various engineering and mining fields.

[0003] The cemented carbide sintering device has a sealed structure, and the material can only be added to the inside of the sintering machine through the front feeding port. The addition method is singular and cannot continuously add a large amount of powder. Moreover, due to the high temperature during sintering, there are certain safety hazards when adding powder. Therefore, a sintering device for the production of cemented carbide ball teeth is proposed. Utility Model Content

[0004] To address the shortcomings of existing technologies, this invention provides a sintering apparatus for producing cemented carbide ball teeth, thereby solving the problems mentioned in the background section.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a sintering apparatus for producing cemented carbide ball teeth, comprising a sintering furnace and a storage tank, wherein a distributing cylinder is fixedly connected to the bottom outer surface of the storage tank, a distributing shaft is rotatably connected inside the distributing cylinder, a plurality of distributing blades are fixedly sleeved on the outer surface of the distributing shaft, a first motor is fixedly installed on the outer surface of the distributing cylinder, the output end of the first motor is fixedly connected to the distributing shaft, and a feeding pipe is fixedly connected to the bottom outer surface of the distributing cylinder, the feeding pipe being connected to the interior of the sintering furnace.

[0006] Furthermore, a reciprocating lead screw is rotatably connected to the rear inner wall of the sintering furnace, and a second motor is fixedly installed on the rear outer surface of the sintering furnace. The output end of the second motor is fixedly connected to the reciprocating lead screw, and a threaded block is threadedly connected to the outer surface of the reciprocating lead screw. A crucible is fixedly connected to the outer surface of the threaded block.

[0007] Furthermore, a pressure relief cylinder is fixedly connected to the top outer surface of the sintering furnace, a spring is fixedly connected to the top inner surface of the pressure relief cylinder, a piston disc is fixedly connected to the bottom outer surface of the spring, the piston disc is movably fitted with the inner wall of the pressure relief cylinder, and a pressure relief hole is opened on the outer surface of the pressure relief cylinder.

[0008] Furthermore, the inner wall of the sintering furnace is provided with heating coils.

[0009] Furthermore, a sliding rod is fixedly connected to the inner wall of the sintering furnace, and a slider is fixedly connected to the outer surface of the crucible, with the slider movably fitting against the outer surface of the sliding rod.

[0010] Furthermore, a telescopic rod is fixedly connected to the top inner surface of the pressure relief cylinder, the telescopic end of the telescopic rod is fixedly connected to the piston disc, and the spring is sleeved on the outside of the telescopic rod.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] 1. The sintering device for producing cemented carbide ball teeth stores powder raw materials in a storage tank and drives the distribution shaft to rotate via a first motor. The distribution shaft drives the distribution blades to rotate. When the powder raw materials between the two distribution blades rotate to the position corresponding to the feed pipe, they fall into the sintering furnace, thereby enabling the intermittent and continuous addition of powder raw materials and improving production efficiency.

[0013] 2. In the sintering device for producing cemented carbide ball teeth, as the temperature rises during sintering, the pressure inside the sintering furnace increases. At this time, the air pressure compresses the piston disc to move upward, causing the spring to compress. When the piston disc moves above the pressure relief hole, the pressure reaches a balanced state from the pressure relief hole. Attached Figure Description

[0014] Figure 1 This is a front view structural diagram of the present invention;

[0015] Figure 2 This is a schematic diagram of the rear view structure of this utility model;

[0016] Figure 3 This is a side sectional view of the present invention.

[0017] Figure 4 This is a schematic diagram of the front sectional view of the present invention;

[0018] Figure 5 This utility model Figure 3 Enlarged structural diagram at point A in the middle.

[0019] In the diagram: 1. Sintering furnace; 2. Storage tank; 3. Distributor cylinder; 4. Distributor shaft; 5. First motor; 6. Distributor blades; 7. Feed pipe; 8. Lead screw; 9. Second motor; 10. Threaded block; 11. Crucible; 12. Pressure relief cylinder; 13. Spring; 14. Piston disc; 15. Pressure relief hole; 16. Telescopic rod; 17. Heating coil. Detailed Implementation

[0020] 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.

[0021] Example 1:

[0022] Please refer to the following: Figures 1-5 This utility model provides a technical solution: a sintering device for producing cemented carbide ball teeth, including a sintering furnace 1 and a storage tank 2. A distributing cylinder 3 is fixedly connected to the bottom outer surface of the storage tank 2. A distributing shaft 4 is rotatably connected inside the distributing cylinder 3. Several distributing blades 6 are fixedly sleeved on the outer surface of the distributing shaft 4. A first motor 5 is fixedly installed on the outer surface of the distributing cylinder 3. The output end of the first motor 5 is fixedly connected to the distributing shaft 4. A feeding pipe 7 is fixedly connected to the bottom outer surface of the distributing cylinder 3. The feeding pipe 7 is connected to the inside of the sintering furnace 1. Specifically, when it is necessary to add material, the first motor 5 is turned on, and the first motor 5 drives the distributing shaft 4 to rotate. The distributing shaft 4 drives the distributing blades 6 to rotate, and the powder enters between two distributing blades 6. When the powder between the two distributing blades 6 corresponds to the feeding pipe 7, the powder enters the crucible 11 inside the sintering furnace 1 through the feeding pipe 7, thereby enabling intermittent and continuous addition of powder raw materials and improving production efficiency.

[0023] In this embodiment, a reciprocating lead screw 8 is rotatably connected to the inner rear wall of the sintering furnace 1, and a second motor 9 is fixedly installed on the outer rear surface of the sintering furnace 1. The output end of the second motor 9 is fixedly connected to the reciprocating lead screw 8. A threaded block 10 is threadedly connected to the outer surface of the reciprocating lead screw 8, and a crucible 11 is fixedly connected to the outer surface of the threaded block 10. Specifically, after sintering is completed, the second motor 9 drives the lead screw 8 to rotate, the lead screw 8 drives the threaded block 10 to move, and the threaded block 10 drives the crucible 11 to move, so that the crucible 11 extends out of the sintering furnace 1 and the formed block is taken out.

[0024] In this embodiment, a pressure relief cylinder 12 is fixedly connected to the top outer surface of the sintering furnace 1. A spring 13 is fixedly connected to the top inner surface of the pressure relief cylinder 12. A piston disc 14 is fixedly connected to the bottom outer surface of the spring 13. The piston disc 14 is movably fitted with the inner wall of the pressure relief cylinder 12. A pressure relief hole 15 is opened on the outer surface of the pressure relief cylinder 12. Specifically, during sintering, as the temperature rises, the pressure inside the sintering furnace 1 will increase. At this time, the air pressure squeezes the piston disc 14 to move upward, causing the spring 13 to compress. When the piston disc 14 moves above the pressure relief hole 15, the pressure reaches a balanced state from the pressure relief hole 15.

[0025] In this embodiment, a heating coil 17 is provided on the inner wall of the sintering furnace 1. Specifically, the heating coil 17 is turned on to heat the inside of the sintering furnace 1.

[0026] In this embodiment, a sliding rod is fixedly connected to the inner wall of the sintering furnace 1, and a slider is fixedly connected to the outer surface of the crucible 11. The slider and the outer surface of the sliding rod are in contact. Specifically, the rotation of the lead screw 8 drives the threaded block 10 to move, so that the crucible 11 drives the slider to slide on the sliding rod, thereby making the crucible 11 move stably.

[0027] In this embodiment, a telescopic rod 16 is fixedly connected to the inner top surface of the pressure relief cylinder 12. The telescopic end of the telescopic rod 16 is fixedly connected to the piston disc 14. A spring 13 is sleeved on the outside of the telescopic rod 16. Specifically, when the piston disc 14 moves, the telescopic rod 16 extends and retracts accordingly. The spring 13 limits the telescopic rod 16 to prevent the spring 13 from tilting.

[0028] Working principle: In use, the sintering furnace 1 is opened, and the powder raw material is conveyed into the crucible 11. The sintering furnace 1 is then closed, and the heating coil 17 is turned on to heat the inside of the sintering furnace 1, sintering the powder raw material in the crucible 11 into blocks. The powder raw material is stored in the storage tank 2. When it is necessary to add material, the first motor 5 is turned on, and the first motor 5 drives the distributing shaft 4 to rotate. The distributing shaft 4 drives the distributing blades 6 to rotate, and the powder enters between the two distributing blades 6. When the powder between the two distributing blades 6 corresponds to the feeding pipe 7, the powder enters the crucible 11 in the sintering furnace 1 through the feeding pipe 7, thereby enabling intermittent and continuous addition of powder raw material, improving production efficiency. After sintering is completed, the second motor 9 drives the lead screw 8 to rotate, and the lead screw 8 drives the threaded block 10 to move. The threaded block 10 drives the crucible 11 to move, extending the crucible 11 out of the sintering furnace 1, and the formed block is taken out.

[0029] During sintering, as the temperature rises, the pressure inside the sintering furnace 1 increases. At this time, the gas pressure compresses the piston disc 14 and moves it upward, causing the spring 13 to compress. When the piston disc 14 moves above the pressure relief hole 15, the pressure reaches equilibrium at the pressure relief hole 15.

[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A sintering apparatus for producing cemented carbide ball teeth, comprising a sintering furnace (1) and a storage tank (2), characterized in that: The bottom outer surface of the storage tank (2) is fixedly connected to a distributing cylinder (3). The distributing cylinder (3) is rotatably connected to a distributing shaft (4). The outer surface of the distributing shaft (4) is fixedly fitted with several distributing blades (6). The outer surface of the distributing cylinder (3) is fixedly installed with a first motor (5). The output end of the first motor (5) is fixedly connected to the distributing shaft (4). The bottom outer surface of the distributing cylinder (3) is fixedly connected to a feeding pipe (7). The feeding pipe (7) is connected to the interior of the sintering furnace (1).

2. The sintering apparatus for producing cemented carbide ball teeth according to claim 1, characterized in that: A reciprocating screw (8) is rotatably connected to the inner rear wall of the sintering furnace (1). A second motor (9) is fixedly installed on the outer rear surface of the sintering furnace (1). The output end of the second motor (9) is fixedly connected to the reciprocating screw (8). A threaded block (10) is threadedly connected to the outer surface of the reciprocating screw (8). A crucible (11) is fixedly connected to the outer surface of the threaded block (10).

3. The sintering apparatus for producing cemented carbide ball teeth according to claim 1, characterized in that: The top outer surface of the sintering furnace (1) is fixedly connected to a pressure relief cylinder (12), the top inner surface of the pressure relief cylinder (12) is fixedly connected to a spring (13), the bottom outer surface of the spring (13) is fixedly connected to a piston disc (14), the piston disc (14) is movably fitted to the inner wall of the pressure relief cylinder (12), and a pressure relief hole (15) is opened on the outer surface of the pressure relief cylinder (12).

4. The sintering apparatus for producing cemented carbide ball teeth according to claim 1, characterized in that: The inner wall of the sintering furnace (1) is provided with heating coils (17).

5. A sintering apparatus for producing cemented carbide ball teeth according to claim 2, characterized in that: The inner wall of the sintering furnace (1) is fixedly connected to a sliding rod, and the outer surface of the crucible (11) is fixedly connected to a slider, which is in movable contact with the outer surface of the sliding rod.

6. A sintering apparatus for producing cemented carbide ball teeth according to claim 3, characterized in that: The top inner surface of the pressure relief cylinder (12) is fixedly connected to a telescopic rod (16), the telescopic end of the telescopic rod (16) is fixedly connected to the piston disc (14), and the spring (13) is sleeved on the outside of the telescopic rod (16).

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