Feeding device of double-chamber vacuum furnace for heat treatment

By introducing spiral feed plates and filter inclined plates into the feeding device of the double-chamber vacuum furnace, the problem of imperfect heat treatment caused by the entry of large particles of material is solved, and stable and uniform material conveying and efficient filtration are achieved, ensuring the purity of the material and the treatment effect.

CN223795791UActive Publication Date: 2026-01-13BEIJING JINKE INTELLIGENT MANUFACTURING TECHNOLOGY DEVELOPMENT CO LTD
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Patent Information

Application Number
CN202520249783.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-17
Publication Date
2026-01-13
Estimated Expiration
2035-02-17

AI Technical Summary

Technical Problem

When small particles are heat-treated in a double-chamber vacuum furnace, large particles enter the furnace without being screened, resulting in imperfect heat treatment and contamination of the material.

Method used

The feeding device is designed, including a spiral feed plate, a filter inclined plate, and a slag discharge pipe. The spiral feed plate stably and evenly conveys the material, the filter inclined plate filters out large particles, and the slag discharge pipe collects impurities, ensuring that the material enters the furnace pure.

Benefits of technology

It achieves stable and uniform material conveying and efficient filtration, avoiding the impact of large particulate impurities on heat treatment effect and ensuring reliable material quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of vacuum furnaces, and discloses a feeding device of a double-chamber vacuum furnace for heat treatment, which comprises a feeding assembly, a connecting assembly is mounted at the output end of the feeding assembly, the output end of the connecting assembly is fixedly connected with a double-chamber vacuum furnace body, and the feeding assembly comprises a feeding table. A feeding table is fixedly connected to the top of the feeding table, a driving motor is installed on the outer surface of the feeding table, a rotating rod is fixedly connected to the output end of the driving motor, a spiral feeding piece is fixedly connected to the surface of the rotating rod, a filtering inclined plate is installed at the bottom of the feeding table, and a falling plate is fixedly connected to the surface of the filtering inclined plate. According to the double-chamber vacuum furnace, the spiral feeding piece is arranged, the driving motor is started, the output end of the driving motor drives the rotating rod to rotate, the rotating rod rotates to drive the spiral feeding piece to rotate, materials can be stably and evenly conveyed into the double-chamber vacuum furnace, and the influence of large-particle impurities on the materials in heat treatment is avoided through the filtering inclined plate.
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Description

Technical Field

[0001] This utility model relates to the field of vacuum furnace technology, specifically to a feeding device for a double-chamber vacuum furnace for heat treatment. Background Technology

[0002] A dual-chamber vacuum furnace is an industrial heating device with two working chambers. Operating in a high vacuum environment, it effectively prevents problems such as material oxidation and decarburization. One chamber is used for material preheating or transition, while the other is the main heating chamber, allowing for precise control of parameters such as temperature and pressure. This design improves production efficiency and meets the needs of various processes, such as metal heat treatment and powder metallurgy sintering. With its excellent sealing and precise temperature control system, the dual-chamber vacuum furnace ensures stable material properties and reliable quality after processing, and is widely used in aerospace, electronics, machinery manufacturing, and many other fields.

[0003] When using a double-chamber vacuum furnace for heat treatment of small particles, large particles mixed inside may not be screened before entering the furnace, which can lead to incomplete heat treatment and contamination of the material. Utility Model Content

[0004] To solve the above-mentioned technical problems, this utility model provides a feeding device for a double-chamber vacuum furnace for heat treatment, including a feeding assembly, a connecting assembly installed at the output end of the feeding assembly, and a double-chamber vacuum furnace body fixedly connected to the output end of the connecting assembly.

[0005] The feeding assembly includes a feeding platform, a feed plate fixedly connected to the top of the feeding platform, a drive motor mounted on the outer surface of the feeding platform, a rotating rod fixedly connected to the output end of the drive motor, a spiral feeding plate fixedly connected to the surface of the rotating rod, a filter inclined plate mounted at the bottom of the feeding platform, a drop plate fixedly connected to the surface of the filter inclined plate, a slag discharge pipe fixedly connected to the bottom of the drop plate, a fixing plate fixedly connected to the bottom of the filter inclined plate, a transmission pipe fixedly connected to the bottom of the fixing plate, and a connecting flange fixedly connected to the output end of the transmission pipe.

[0006] The above technical solution involves setting up a spiral feeding plate and starting a drive motor. The output of the drive motor drives a rotating rod to rotate, which in turn drives the spiral feeding plate to rotate, facilitating the stable and uniform transportation of materials into the double-chamber vacuum furnace. A filter ramp is installed, allowing materials transported to the feeding platform to fall from the bottom of the platform onto the top of the filter ramp for filtration. The filtered material then enters the double-chamber vacuum furnace through a transmission pipe connected to a fixed plate for heat treatment, preventing large particles from affecting the heat treatment process. Finally, impurities that have been filtered fall through a drop plate into the slag discharge pipe and are collected from the bottom.

[0007] As a further improvement to the above solution, the drive motor passes through the inner wall of the feeding platform, and the feeding platform is located on the side close to the drive motor.

[0008] With the above technical solution, the drive motor passes through the inner wall of the feeding table and the feeding table is close to the side of the drive motor. This arrangement can ensure that the drive motor can effectively drive the rotating rod to rotate, so that the spiral feeder can work normally.

[0009] As a further improvement to the above solution, the top of the slag discharge pipe is fixedly connected to the bottom of the feeding platform.

[0010] With the above technical solution, the top of the slag discharge pipe is fixedly connected to the bottom of the feeding platform, which facilitates the discharge of particles that do not meet the size requirements of heat treatment generated during the feeding process, without affecting the normal operation of the feeding work.

[0011] As a further improvement to the above solution, the connecting flange is located above the bottom of the slag discharge pipe.

[0012] With the above technical solution, the connecting flange is located above the bottom of the slag discharge pipe, which helps to rationally arrange the connection structure of the feeding device and the waste discharge path, and avoids mutual interference between the two.

[0013] As a further improvement to the above solution, the connecting assembly includes a second connecting flange, and a connecting pipe is fixedly connected to the left end of the second connecting flange.

[0014] As a further improvement to the above scheme, the second connecting flange is in contact with the surface of the first connecting flange.

[0015] Through the above technical solution, the surface of connecting flange two is in contact with the surface of connecting flange one, which ensures the sealing and stability of the connection between the feeding assembly and the connecting assembly, which is conducive to the smooth transfer of materials, and at the same time facilitates the separation of the entire feeding assembly from the double-chamber vacuum furnace body.

[0016] As a further improvement to the above solution, the output end of the connecting pipe penetrates the inner wall of the dual-chamber vacuum furnace body.

[0017] As a further improvement to the above solution, an installation cover is installed on the right end of the dual-chamber vacuum furnace body, a sealing cover is threaded to the top of the dual-chamber vacuum furnace body, and a support base is fixedly connected to the bottom of the dual-chamber vacuum furnace body.

[0018] The dual-chamber vacuum furnace body has an installation cover on the right end for easy observation of the furnace interior. The top is threaded to seal the furnace body for easy opening and closing, and the bottom is fixed to a support base to provide stable support for the furnace body.

[0019] Compared with the prior art, the beneficial effects of this utility model are:

[0020] This invention features a spiral feeding plate. When the drive motor is started, its output drives a rotating rod to rotate, which in turn drives the spiral feeding plate to rotate, thus facilitating the stable and uniform transport of materials into the interior of the double-chamber vacuum furnace.

[0021] This invention features a filter ramp. Material transported to the feeding platform falls from the bottom of the platform to the top of the filter ramp for filtration. The filtered material then enters the double-chamber vacuum furnace for heat treatment via a transmission pipe connected to a fixed plate. This prevents large particles from affecting the material during heat treatment. Impurities after filtration are discharged through a slag discharge pipe, where they roll down a drop plate and are collected from the bottom. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0023] Figure 2 This is a schematic diagram of the overall bottom structure of this utility model;

[0024] Figure 3 This is a schematic diagram of the overall structure of the feeding assembly of this utility model;

[0025] Figure 4 This is a schematic cross-sectional view of the feeding assembly of this utility model;

[0026] Figure 5 This is a schematic diagram of the overall structure of the dual-chamber vacuum furnace body of this utility model.

[0027] In the diagram: 1. Feeding assembly; 11. Feeding platform; 12. Feeding tray; 13. Drive motor; 14. Rotating rod; 15. Spiral feeder; 16. Filter inclined plate; 17. Drop plate; 18. Slag discharge pipe; 19. Fixing plate; 110. Transmission pipe; 111. Connecting flange one; 2. Connecting assembly; 21. Connecting flange two; 22. Connecting pipe; 3. Double-chamber vacuum furnace body; 4. Mounting cover; 5. Sealing cover; 6. Support base. Detailed Implementation

[0028] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0029] Example:

[0030] Please combine Figure 1-5The feeding device of a double-chamber vacuum furnace for heat treatment in this embodiment includes a feeding component 1, a connecting component 2 installed at the output end of the feeding component 1, and a double-chamber vacuum furnace body 3 fixedly connected to the output end of the connecting component 2.

[0031] The feeding assembly 1 includes a feeding platform 11, with a feed table 12 fixedly connected to the top of the feeding platform 11. A drive motor 13 is mounted on the outer surface of the feeding platform 11, and a rotating rod 14 is fixedly connected to the output end of the drive motor 13. A spiral feeding plate 15 is fixedly connected to the surface of the rotating rod 14. Material is fed into the feeding platform 11 from the feed table 12. When the drive motor 13 is started, the output end of the drive motor 13 drives the rotating rod 14 to rotate. The rotation of the rotating rod 14 drives the spiral feeding plate 15 to rotate, which facilitates the stable and uniform transportation of material into the interior of the double-chamber vacuum furnace. A filter inclined plate 16 is installed at the bottom of the feeding platform 11, and a drop plate 17 is fixedly connected to the surface of the filter inclined plate 16. The bottom of the drop plate 17 is fixedly connected to the filter inclined plate 16. A slag discharge pipe 18 is fixedly connected to the bottom of the filter inclined plate 16, and a fixed plate 19 is fixedly connected to the bottom of the fixed plate 19. A transmission pipe 110 is fixedly connected to the bottom of the transmission pipe 110, and a connecting flange 111 is fixedly connected to the output end of the transmission pipe 110. The material transported to the inside of the feeding platform 11 falls from the bottom of the feeding platform 11 to the top of the filter inclined plate 16 for filtration. The filtered material enters the inside of the double-chamber vacuum furnace through the transmission pipe 110 connected to the fixed plate 19 for heat treatment, avoiding the influence of large particles of impurities on the heat treatment and the material. The impurities after filtration fall through the slag discharge pipe 18 through the drop plate 17 into the inside of the slag discharge pipe 18 and are discharged from the bottom of the slag discharge pipe 18 for collection.

[0032] The drive motor 13 passes through the inner wall of the feeding table 11, and the feeding table 12 is located on the side close to the drive motor 13.

[0033] The top of the slag discharge pipe 18 is fixedly connected to the bottom of the feeding platform 11.

[0034] The connecting flange 111 is located above the bottom of the slag discharge pipe 18.

[0035] The connecting assembly 2 includes a connecting flange 21, and a connecting pipe 22 is fixedly connected to the left end of the connecting flange 21.

[0036] The surfaces of connecting flange 21 and connecting flange 111 are in contact.

[0037] The output end of the connecting pipe 22 penetrates the inner wall of the double-chamber vacuum furnace body 3.

[0038] The double-chamber vacuum furnace body 3 has an installation cover 4 installed on the right end, a sealing cover 5 threadedly connected to the top of the double-chamber vacuum furnace body 3, and a support base 6 fixedly connected to the bottom of the double-chamber vacuum furnace body 3.

[0039] The implementation principle of the feeding device for a double-chamber vacuum furnace for heat treatment in this application embodiment is as follows: When using the double-chamber vacuum furnace, the material to be heat-treated is first put into the inside of the feeding platform 11 from the feeding platform 12, the drive motor 13 is started, the output end of the drive motor 13 drives the rotating rod 14 to rotate, the rotating rod 14 drives the spiral feeding plate 15 to rotate, so as to transport the material stably and evenly into the inside of the double-chamber vacuum furnace.

[0040] Material transported to the feeding platform 11 falls from the bottom of the platform 11 to the top of the filter inclined plate 16 for filtration. The filtered material then enters the double-chamber vacuum furnace through the transmission pipe 110 connected to the fixed plate 19 for heat treatment, preventing large particles from affecting the material during heat treatment. Impurities after filtration roll down through the slag discharge pipe 18 via the drop plate 17 and are discharged from the bottom of the pipe for collection. The above embodiments are merely preferred embodiments of this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-substantial changes and substitutions made by those skilled in the art based on this utility model are within the scope of protection claimed by this utility model.

Claims

1. A feeding device for a double-chamber vacuum furnace for heat treatment, characterized in that: Includes a feeding assembly (1), the output end of which is equipped with a connecting assembly (2), and the output end of the connecting assembly (2) is fixedly connected to a double-chamber vacuum furnace body (3). The feeding assembly (1) includes a feeding platform (11), a feeding platform (12) is fixedly connected to the top of the feeding platform (11), a drive motor (13) is installed on the outer surface of the feeding platform (11), a rotating rod (14) is fixedly connected to the output end of the drive motor (13), a spiral feeding plate (15) is fixedly connected to the surface of the rotating rod (14), a filter inclined plate (16) is installed at the bottom of the feeding platform (11), a drop plate (17) is fixedly connected to the surface of the filter inclined plate (16), a slag discharge pipe (18) is fixedly connected to the bottom of the drop plate (17), a fixing plate (19) is fixedly connected to the bottom of the filter inclined plate (16), a transmission pipe (110) is fixedly connected to the bottom of the fixing plate (19), and a connecting flange (111) is fixedly connected to the output end of the transmission pipe (110).

2. The feeding device for a double-chamber vacuum furnace for heat treatment according to claim 1, characterized in that: The drive motor (13) passes through the inner wall of the feeding table (11), and the feeding table (12) is located on the side close to the drive motor (13).

3. The feeding device for a double-chamber vacuum furnace for heat treatment according to claim 1, characterized in that: The top of the slag discharge pipe (18) is fixedly connected to the bottom of the feeding platform (11).

4. The feeding device for a double-chamber vacuum furnace for heat treatment according to claim 1, characterized in that: The connecting flange (111) is located above the bottom of the slag discharge pipe (18).

5. The feeding device for a double-chamber vacuum furnace for heat treatment according to claim 1, characterized in that: The connecting assembly (2) includes a second connecting flange (21), and a connecting pipe (22) is fixedly connected to the left end of the second connecting flange (21).

6. The feeding device for a double-chamber vacuum furnace for heat treatment according to claim 5, characterized in that: The surface of the second connecting flange (21) is in contact with the surface of the first connecting flange (111).

7. The feeding device for a double-chamber vacuum furnace for heat treatment according to claim 5, characterized in that: The output end of the connecting pipe (22) penetrates the inner wall of the double-chamber vacuum furnace body (3).

8. The feeding device for a double-chamber vacuum furnace for heat treatment according to claim 1, characterized in that: The right end of the double-chamber vacuum furnace body (3) is equipped with an installation cover (4), the top of the double-chamber vacuum furnace body (3) is threaded with a sealing cover (5), and the bottom of the double-chamber vacuum furnace body (3) is fixedly connected with a support base (6).