Hard alloy cutter sintering device
By setting up a rotary box and a heat dissipation box in the tool sintering device, heating uniformity, organic matter removal during the tool preheating process, and hot gas recovery and utilization, solving the problems of uneven heating and waste of resources in the prior art.
Patent Information
- Application Number
- CN202322932304.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-10-31
- Publication Date
- 2025-02-07
- Estimated Expiration
- 2033-10-31
AI Technical Summary
The existing tool sintering device is heated unevenly during the preheating process, which makes it difficult to remove organic matter and unstable compounds inside the tool, and is inconvenient to recover and utilize hot gas, resulting in waste of resources.
A cemented carbide tool sintering device is designed, and the heating pipe is equipped with a rotary box to drive the placement frame to rotate, so as to achieve a comprehensive preheating treatment of the tool embroidery by the heating pipe to remove organic matter and unstable compounds. At the same time, a heat dissipation box is set up to transport the hot gas to the waste heat recovery water tank, and heat energy is purified and recovered through filtration and heat exchange treatment.
The heating uniformity during tool preheating is achieved, and the organic matter and unstable compounds inside the tool are effectively removed, which reduces the generation of gas and pollutants during the later sintering process, and reduces resource waste through hot gas recycling.
Smart Images
Figure CN222429268U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a sintering device, in particular to a hard alloy tool sintering device, belonging to the technical field of tool sintering. Background Art
[0002] Sintering refers to the process of converting powdered materials into dense bodies. It is a traditional process. Sintering equipment is required in the production process of cemented carbide tools. The tools to be sintered need to be preheated before sintering.
[0003] The existing tool sintering device is prone to uneven heating during preheating and sintering, resulting in the inability to effectively remove organic matter and unstable compounds inside the tool green body. It is also inconvenient to recycle the exhausted hot air flow after preheating, resulting in a waste of resources. Utility Model Content
[0004] The purpose of the utility model is to provide a cemented carbide tool sintering device in order to solve the above-mentioned problems. By setting a rotating box, the placing rack can be driven to rotate, so that the heating pipeline can perform all-round preheating treatment on the tool green body on the placing rack, and organic matter and some unstable compounds in the tool green body can be removed to reduce the generation of gas and pollutants in the later sintering process. By setting a heat dissipation box, the hot air inside the sintering preheating cabinet can be transported to the waste heat recovery water tank.
[0005] The utility model achieves the above-mentioned purpose through the following technical scheme: a cemented carbide tool sintering device, comprising a base plate, a sintering preheating cabinet is fixedly connected to one side of the top of the base plate, a heating box is fixedly connected to the inside of the sintering preheating cabinet, a rotating box is fixedly connected to the center of the top of the heating box, a transmission motor is fixedly connected to one side of the top of the rotating box, a first gear is fixedly connected to the output end of the transmission motor, the first gear is meshingly connected to the second gear, a transmission shaft is fixedly connected to the axis center of the second gear, a placement rack is fixedly connected to the top of the transmission shaft, and a tool storage frame is provided inside the placement rack.
[0006] Preferably, the front side of the sintering preheating cabinet is connected to a cabinet door via a hinge, the four corners of the bottom of the base plate are fixedly connected to supporting legs, and the interior of the heating box is fixedly connected to a hollow horizontal plate.
[0007] Preferably, a resistance heating wire is fixedly connected inside the heating box, a temperature sensor is fixedly connected to one side of the top of the hollow horizontal plate, a high-temperature resistant blowing device is provided on one side of the temperature sensor, a heating pipe is fixedly connected to one side of the top of the high-temperature resistant blowing device, and a spray hole is opened on one side of the heating pipe.
[0008] Preferably, a waste heat recovery water tank is provided on one side of the sintering preheating cabinet, a drainage pipe is fixedly connected to one side of the bottom of the waste heat recovery water tank, and a valve body is fixedly connected to the periphery of the drainage pipe.
[0009] Preferably, a heat sink is fixedly connected to the top of the waste heat recovery water tank, an air intake pipe is fixedly connected to one side of the top of the heat sink, and the end of the air intake pipe is located inside the sintering preheating cabinet.
[0010] Preferably, the front side of the heat dissipation box is sealed with a first pull plate and a second pull plate, the rear side of the first pull plate is fixedly connected to a glass fiber filter, the rear side of the second pull plate is fixedly connected to an activated carbon adsorption filter, a blower is provided under the activated carbon adsorption filter, the bottom of the blower is fixedly connected to an exhaust pipe, and the end of the exhaust pipe is located inside the waste heat recovery water tank.
[0011] The beneficial effects of the utility model are:
[0012] The utility model can place the tool green body to be processed by arranging a placing rack, and can drive the placing rack to rotate by arranging a rotating box, so that the heating pipeline can perform all-round preheating treatment on the tool green body on the placing rack, and can remove organic matter and some unstable compounds in the tool green body to reduce the generation of gas and pollutants in the later sintering process. By arranging a heat dissipation box, the hot air inside the sintering preheating cabinet can be transported to the waste heat recovery water tank, and the hot air can be intercepted and purified by the glass fiber filter and the activated carbon adsorption filter after passing through the heat dissipation box. The purified hot air flow can be heat exchanged with the water inside the waste heat recovery water tank. The temperature of the water inside the waste heat recovery water tank increases after the heat exchange, and the high-temperature water can be used for other purposes. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model.
[0014] Figure 2 It is a schematic diagram of the internal structure of the heating box of the utility model.
[0015] Figure 3 It is a schematic diagram of the internal structure of the rotary box of the utility model.
[0016] Figure 4 It is a schematic diagram of the internal structure of the heat dissipation box of the utility model.
[0017] Numbers in the figure: 1. Base plate; 2. Sintering preheating cabinet; 3. Heating box; 4. Rotating box; 5. First gear; 6. Second gear; 7. Placement rack; 8. Support leg; 9. Resistance heating wire; 10. Temperature sensor; 11. High temperature resistant blasting device; 12. Heating pipe; 13. Waste heat recovery water tank; 14. Heat dissipation box; 15. Glass fiber filter; 16. Activated carbon adsorption filter; 17. Blower. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.
[0019] Example 1 Please refer to Figure 1-4 As shown, a cemented carbide tool sintering device comprises a base plate 1, a sintering preheating cabinet 2 is fixedly connected to one side of the top of the base plate 1, a heating box 3 is fixedly connected inside the sintering preheating cabinet 2, a rotating box 4 is fixedly connected at the top center of the heating box 3, a transmission motor is fixedly connected to one side of the top of the rotating box 4, a first gear 5 is fixedly connected to the output end of the transmission motor, the first gear 5 is meshingly connected to the second gear 6, a transmission shaft is fixedly connected at the axis center of the second gear 6, a placement rack 7 is fixedly connected to the top of the transmission shaft, and a tool storage frame is provided inside the placement rack 7.
[0020] Specifically, the front side of the sintering preheating cabinet 2 is connected with a cabinet door through a hinge, the four corners of the bottom of the bottom plate 1 are fixedly connected with supporting legs 8, the inside of the heating box 3 is fixedly connected with a hollow horizontal plate, the inside of the heating box 3 is fixedly connected with a resistance heating wire 9, the top side of the hollow horizontal plate is fixedly connected with a temperature sensor 10, a high-temperature resistant blasting device 11 is provided on one side of the temperature sensor 10, a heating pipe 12 is fixedly connected on the top side of the high-temperature resistant blasting device 11, a spray hole is opened on one side of the heating pipe 12, a waste heat recovery water tank 13 is provided on one side of the sintering preheating cabinet 2, a drainage pipe is fixedly connected on one side of the bottom of the waste heat recovery water tank 13, a valve body is fixedly connected on the periphery of the drainage pipe, a heat sink 14 is fixedly connected on the top of the heat sink 14, an air intake pipe is fixedly connected on one side of the top of the heat sink 14, the end of the air intake pipe is located inside the sintering preheating cabinet 2, the front side of the heat sink 14 is sealed with a first pull plate and a second pull plate, and the rear side of the first pull plate is fixedly connected with a glass fiber filter 15, an activated carbon adsorption filter 16 is fixedly connected to the rear side of the second pull plate, a blower 17 is arranged below the activated carbon adsorption filter 16, an exhaust pipe is fixedly connected to the bottom of the blower 17, and the end of the exhaust pipe is located inside the waste heat recovery water tank 13. The tool green body to be processed can be placed by setting a placement rack 7, and the placement rack 7 can be driven to rotate by setting a rotating box 4, so that the heating pipe 12 can perform all-round preheating treatment on the tool green body on the placement rack 7, and organic matter and some unstable compounds in the tool green body can be removed to reduce the generation of gas and pollutants in the later sintering process. The heat dissipation box 14 can be provided to transport the hot air inside the sintering preheating cabinet 2 to the waste heat recovery water tank 13, and the glass fiber filter 15 and the activated carbon adsorption filter 16 after the hot air passes through the heat dissipation box 14 can intercept and purify the airflow, and the purified hot airflow can be heat exchanged with the water inside the waste heat recovery water tank 13. The temperature of the water inside the waste heat recovery water tank 13 increases after heat exchange, and the high-temperature water can be used for other purposes.
[0021] When the utility model is in use, the tool green body to be processed can be placed by setting the placement rack 7, and the placement box 4 can be used to drive the placement rack 7 to rotate, so that the heating pipe 12 can perform all-round preheating treatment on the tool green body on the placement rack 7, and organic matter and some unstable compounds in the tool green body can be removed to reduce the generation of gas and pollutants in the later sintering process. The heat dissipation box 14 can be used to transport the hot air inside the sintering preheating cabinet 2 to the waste heat recovery water tank 13. After the hot air passes through the heat dissipation box 14, the glass fiber filter 15 and the activated carbon adsorption filter 16 can intercept and purify the airflow. The purified hot air flow can be heat exchanged with the water inside the waste heat recovery water tank 13. The temperature of the water inside the waste heat recovery water tank 13 increases after heat exchange, and the high-temperature water can be used for other purposes.
[0022] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is limited by the appended claims rather than the above description. Therefore, it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the present invention, and any figure marks in the claims should not be regarded as limiting the claims involved.
[0023] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. A cemented carbide tool sintering device, comprising a base plate (1), characterized in that: A sintering preheating cabinet (2) is fixedly connected to one side of the top of the bottom plate (1), a heating box (3) is fixedly connected inside the sintering preheating cabinet (2), a rotating box (4) is fixedly connected to the center of the top of the heating box (3), a transmission motor is fixedly connected to one side of the top of the rotating box (4), a first gear (5) is fixedly connected to the output end of the transmission motor, the first gear (5) is meshingly connected to the second gear (6), a transmission shaft is fixedly connected to the axis of the second gear (6), a placement rack (7) is fixedly connected to the top of the transmission shaft, a tool storage frame is provided inside the placement rack (7), a waste heat recovery water tank (13) is provided on one side of the sintering preheating cabinet (2), and a waste heat recovery water tank (13) is fixedly connected to one side of the bottom A drainage pipe is connected, and a valve body is fixedly connected to the periphery of the drainage pipe. A heat sink (14) is fixedly connected to the top of the waste heat recovery water tank (13). An air intake pipe is fixedly connected to one side of the top of the heat sink (14). The end of the air intake pipe is located inside the sintering preheating cabinet (2). A first pull plate and a second pull plate are sealedly connected to the front side of the heat sink (14). A glass fiber filter (15) is fixedly connected to the rear side of the first pull plate. An activated carbon adsorption filter (16) is fixedly connected to the rear side of the second pull plate. A blower (17) is provided below the activated carbon adsorption filter (16). An exhaust pipe is fixedly connected to the bottom of the blower (17). The end of the exhaust pipe is located inside the waste heat recovery water tank (13).
2. A cemented carbide tool sintering device according to claim 1, characterized in that: The front side of the sintering preheating cabinet (2) is connected to a cabinet door via a hinge, the four corners of the bottom of the base plate (1) are fixedly connected to supporting legs (8), and the interior of the heating box (3) is fixedly connected to a hollow horizontal plate.
3. A cemented carbide tool sintering device according to claim 2, characterized in that: A resistance heating wire (9) is fixedly connected inside the heating box (3), a temperature sensor (10) is fixedly connected to one side of the top of the hollow horizontal plate, a high-temperature resistant air blowing device (11) is provided on one side of the temperature sensor (10), a heating pipe (12) is fixedly connected to one side of the top of the high-temperature resistant air blowing device (11), and a spray hole is provided on one side of the heating pipe (12).