Vacuum furnace for firing special ceramic

Abstract

The utility model discloses a vacuum furnace for special ceramic firing, and relates to the technical field of ceramic firing. The device comprises a vacuum furnace, one side of the vacuum furnace is provided with a vacuum pump, the rear side of the vacuum furnace is provided with a lifting machine for pushing ceramics to enter and exit from the interior of the vacuum furnace, the moving end of the lifting machine is provided with a storage assembly, and the storage assembly is internally provided with a driving roller. And a movable object supporting assembly is arranged in the storage assembly, and a traction belt is wound on the surface of the driving roller. According to the utility model, the servo motor drives the driving roller inside to rotate, and the first driven roller and the second driven roller are pulled to rotate through the conduction of the traction belt, so that ceramics placed on the tray rotate, the surfaces of the ceramics are regularly close to a heating part, and the uniform heating of the ceramics in the firing process is ensured; and the rotation direction of the driving roller is switched, so that the traction belt can repeatedly drive the first driven roller and the second driven roller to rotate.

Description

Technical Field

[0001] The utility model relates to the technical field of ceramic firing, in particular to a vacuum furnace for firing special ceramics. Background Art

[0002] Special ceramics are ceramics with special mechanical, physical or chemical properties. Their high strength, high temperature resistance and composite structure make them applicable to various modern industries and cutting-edge science and technology. During the firing and forming process of special ceramics, a vacuum furnace is required. Due to its low pollution, energy-saving and environmental protection characteristics, it eliminates oxidation and decarburization of the workpiece surface during the heating process, obtains a clean surface without a metamorphic layer, and can be fired in batches for special ceramics. The Chinese patent with publication number CN211601580U discloses a vacuum furnace for firing porcelain, including a furnace body, a heat preservation heating mechanism for heating, a cooling mechanism for cooling, and a vacuum mechanism for evacuating air. The furnace body is provided with a heat preservation heating mechanism, the cooling mechanism is installed on the top of the furnace body, and the vacuum mechanism is installed on one side of the furnace body.

[0003] According to the disclosed technology, special ceramics are placed inside a discharge mechanism before firing and sent into a heating chamber for firing. However, the placement position of special ceramics is inconvenient to adjust for ceramic blanks of different sizes. The distance between the special ceramics and the internal heating mechanism is fixed, and the distance between the smaller ceramics and the internal heating mechanism is longer, which affects the firing efficiency. Utility Model Content

[0004] In order to solve the above problems, the utility model provides a vacuum furnace for firing special ceramics.

[0005] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical scheme: a vacuum furnace for firing special ceramics, including a vacuum furnace, a vacuum pump is arranged on one side of the vacuum furnace, a lift is placed on the rear side of the vacuum furnace to push the ceramics in and out of the vacuum furnace, a storage component is placed on the movable end of the lift, an active roller is arranged inside the storage component, a movable support component is arranged inside the storage component, a traction belt is wrapped around the surface of the active roller, and the traction belt is connected to the support component, a limiting component for limiting the support component parts is arranged on the surface of the support component, and a pushing component for pulling the support component to move is arranged on the surface of the storage component.

[0006] The vacuum furnace comprises a furnace body, support legs are fixedly installed on both sides of the furnace body, a cover is hingedly installed on the bottom of the furnace body, a heating tube is arranged inside the furnace body, a rotating motor is fixedly installed on the top of the furnace body, and the output end of the rotating motor passes through the top of the furnace body and is fixedly connected to a rotating frame.

[0007] Limiting blocks are slidably installed on both sides of the bottom opening of the furnace body, and a traction rod is fixedly installed on the bottom of the rotating frame.

[0008] The storage assembly includes a base plate, a motor box is fixedly installed on the top of the base plate, and a servo motor is fixedly installed inside the motor box, the output end of the servo motor passes through the top of the motor box and is fixedly connected to a main shaft, a partition is installed on the surface of the main shaft in a sliding sleeve, and a limiting ring is fixedly installed on the surface of the main shaft to fit the partition.

[0009] The main shaft surface is fixedly sleeved with a driving roller, the number of the partition plates is two groups, and the driving roller is arranged between the two groups of partition plates, and the two groups of partition plates are connected by a connecting plate.

[0010] The supporting component includes a sleeve plate, a sleeve plate is slidably installed inside the storage component, a secondary shaft is rotatably installed inside the sleeve plate, a first driven roller is fixedly sleeved on the surface of the secondary shaft, a spring is fixedly connected to the top of the first driven roller, a second driven roller is slidably installed on the surface of the secondary shaft, and the top of the spring is in contact with the bottom of the second driven roller, and a tray is fixedly installed on the top of the secondary shaft.

[0011] A clamping hole is provided at the top of the first driven roller, and a clamping block is fixedly connected to the bottom of the second driven roller. The clamping hole and the clamping block are arranged correspondingly. There are two groups of active rollers, and the two groups of active rollers are respectively connected to the first driven roller and the second driven roller by traction belts, and the winding directions of the traction belts are opposite.

[0012] The limiting assembly includes a rotating plate, the rotating plate is rotatably mounted on the surface of the supporting assembly, a pressing ring is fixedly mounted on the bottom of one end of the rotating plate, the limiting plate is rotatably mounted on the surface of the supporting assembly, and the limiting plate is in contact with the bottom of the other end of the rotating plate;

[0013] The pushing component includes a slider, the bottom of the supporting component is fixedly mounted with the slider, and the slider is slidably arranged inside the storage component, a screw is rotatably mounted inside the storage component, and the slider is threadedly mounted to the surface of the screw.

[0014] The surface of the storage component is provided with an insertion hole, and the insertion hole is arranged correspondingly to the traction insertion rod at the bottom of the rotating frame.

[0015] The beneficial effects of the utility model are as follows:

[0016] The utility model drives the active roller inside it to rotate through a servo motor, and through the conduction of the traction belt, pulls the first driven roller and the second driven roller to rotate, so that the ceramics placed on the tray are rotated, so that the surface of the ceramics is regularly close to the heating component, ensuring that the ceramics are heated evenly during the firing process, and switching the rotation direction of the active roller allows the traction belt to repeatedly drive the first driven roller and the second driven roller to rotate, and drives the pressing ring to press and limit the second driven roller through the rotating plate, so that the second driven roller is connected and fixed to the first driven roller, and drives the support component to slide inside the storage component through the pushing component, so that the position of the support component is adjusted according to the size of the ceramics to be fired, and the distance between the support component and the heating component inside the vacuum furnace is adjusted to ensure the efficiency of firing and forming, and the conduction by the traction belt makes it possible to stably drive the support component to rotate after the horizontal position of the support component is adjusted. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model from the first viewing angle;

[0018] Figure 2 This is a schematic diagram of the second viewing angle of the three-dimensional structure of the utility model;

[0019] Figure 3 It is a schematic diagram of the internal structure of the utility model;

[0020] Figure 4 It is a partial cross-sectional schematic diagram of the utility model;

[0021] Figure 5 It is a schematic diagram of the local structure of the utility model from the first perspective;

[0022] Figure 6 It is a schematic diagram of the local structure of the utility model from the second viewing angle.

[0023] 1. Vacuum furnace; 101. Furnace body; 102. Support leg; 103. Cover; 104. Heating tube; 105. Rotating motor; 106. Rotating frame; 2. Vacuum pump; 3. Elevator; 4. Storage assembly; 401. Bottom plate; 402. Servo motor; 403. Main shaft; 404. Partition; 5. Active roller; 6. Support assembly; 601. Sleeve plate; 602. Secondary shaft; 603. First driven roller; 604. Spring; 605. Second driven roller; 606. Tray; 7. Limiting assembly; 701. Rotating plate; 702. Pressing ring; 703. Limiting plate; 8. Pushing assembly; 801. Slider; 802. Screw. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the embodiments of the present utility model clearer, the technical solution in the embodiments of the present utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the present utility model.

[0025] like Figure 1-Figure 6 As shown, a vacuum furnace for firing special ceramics comprises a vacuum furnace 1, a vacuum pump 2 is arranged on one side of the vacuum furnace 1, a lift 3 for pushing ceramics in and out of the vacuum furnace 1 is placed on the rear side of the vacuum furnace 1, a storage component 4 is placed on the movable end of the lift 3, an active roller 5 is arranged inside the storage component 4, a movable support component 6 is arranged inside the storage component 4, a traction belt is wound around the surface of the active roller 5, and the traction belt is connected to the support component 6, a limiting component 7 for limiting the parts of the support component 6 is arranged on the surface of the support component 6, and a pushing component 8 for pulling the support component 6 to move is arranged on the surface of the storage component 4; specifically, the air inside the vacuum furnace 1 is evacuated by the vacuum pump 2 to form an internal vacuum environment, and the storage component 4 is driven to move up and down by the lift 3, driving the storage component 4 above The special ceramic embryo body is loaded and unloaded, and the active roller 5 inside it is driven to rotate by the storage component 4. Through the conduction of the traction belt, the support component 6 is pulled to rotate, so that the ceramic placed on it is rotated, and its surface is regularly close to the heating component to ensure uniform heating during the ceramic firing process. The traction belt is used for conduction, so that after the horizontal position of the support component 6 is adjusted, it can still stably drive the support component 6 to rotate. The inside of the support component 6 is limited by the limiting component 7, and it is pressed after the position is adjusted. The support component 6 is driven to slide inside the storage component 4 by the pushing component 8, so that the position of the support component 6 is adjusted according to the size of the ceramic to be fired, and the distance between it and the heating component inside the vacuum furnace 1 is adjusted to ensure the efficiency of firing and molding.

[0026] The vacuum furnace 1 includes a furnace body 101, support legs 102 are fixedly installed on both sides of the furnace body 101, a cover 103 is hingedly installed on the bottom of the furnace body 101, a heating tube 104 is arranged inside the furnace body 101, and a rotating motor 105 is fixedly installed on the top of the furnace body 101. The output end of the rotating motor 105 passes through the top of the furnace body 101 and is fixedly connected to a rotating frame 106; specifically, the opening at the bottom of the furnace body 101 is sealed and closed by the cover 103, the ceramic inside the furnace body 101 is fired and heated by the heating tube 104, and the rotating frame 106 is driven to rotate by the rotating motor 105, which drives the active roller 5 to rotate as a whole to make it heated evenly.

[0027] Limit blocks are slidably installed on both sides of the bottom opening of the furnace body 101, and a traction rod is fixedly installed on the bottom of the rotating frame 106; specifically, the bottom of the storage component 4 is supported by the limit blocks to facilitate the placement and removal of the storage component 4, and is connected to the storage component 4 through the traction rod, thereby driving the storage component 4 to rotate as a whole.

[0028] The storage component 4 includes a base plate 401, a motor box is fixedly installed on the top of the base plate 401, and a servo motor 402 is fixedly installed inside the motor box, the output end of the servo motor 402 passes through the top of the motor box and is fixedly connected to a main shaft 403, a partition plate 404 is installed on the surface of the main shaft 403 in a sliding sleeve, and a limit ring is fixedly installed on the surface of the main shaft 403 to fit the partition plate 404; specifically, the main shaft 403 is driven to rotate by the servo motor 402, and the main shaft 403 drives the active roller 5 thereon to rotate, thereby driving the ceramic to rotate.

[0029] The main shaft 403 is provided with a driving roller 5 fixedly sleeved on its surface. There are two groups of partition plates 404 , and the driving roller 5 is arranged between the two groups of partition plates 404 . The two groups of partition plates 404 are connected by a connecting plate.

[0030] The support component 6 includes a sleeve plate 601, the sleeve plate 601 is slidably installed inside the storage component 4, the sleeve plate 601 is rotatably installed inside the secondary shaft 602, the surface of the secondary shaft 602 is fixedly sleeved with a first driven roller 603, the top of the first driven roller 603 is fixedly connected with a spring 604, the surface of the secondary shaft 602 is slidably sleeved with a second driven roller 605, and the top of the spring 604 is in contact with the bottom of the second driven roller 605, and the top of the secondary shaft 602 is fixedly installed with a tray 606; specifically, the traction belt is wound by rotating the active roller 5, pulling the first driven roller 603 and the second driven roller 605 to rotate, so that the secondary shaft 602 rotates, driving the ceramics placed on the tray 606 to rotate.

[0031] A clamping hole is provided on the top of the first driven roller 603, and a clamping block is fixedly connected to the bottom of the second driven roller 605. The clamping hole and the clamping block are arranged correspondingly. There are two groups of active rollers 5. The two groups of active rollers 5 are respectively connected to the first driven roller 603 and the second driven roller 605 by traction belts, and the winding directions of the traction belts are opposite. Specifically, through the connection between the clamping block and the clamping hole, the first driven roller 603 and the second driven roller 605 rotate synchronously, the traction belt on the first driven roller 603 is wound around the surface of the lower active roller 5, and the second driven roller 605 rotates to wind the traction belt around its surface, and the rotation direction of the active roller 5 is reversed regularly to keep the rotation of the ceramic.

[0032] The limiting assembly 7 includes a rotating plate 701, the rotating plate 701 is rotatably mounted on the surface of the supporting assembly 6, a pressing ring 702 is fixedly mounted on the bottom of one end of the rotating plate 701, and a limiting plate 703 is rotatably mounted on the surface of the supporting assembly 6, and the limiting plate 703 is fitted with the bottom of the other end of the rotating plate 701;

[0033] The pushing component 8 includes a slider 801, the bottom of the supporting component 6 is fixedly installed with the slider 801, and the slider 801 is slidably set inside the storage component 4, the inside of the storage component 4 is rotatably installed with a screw 802, and the slider 801 is threadedly installed on the surface of the screw 802; specifically, by rotating the rotating plate 701, the pressing ring 702 presses the top of the second driven roller 605, so that the spring 604 is compressed, and the second driven roller 605 is connected to the first driven roller 603, and the limiting plate 703 is rotated to make it fit with the rotating plate 701, completing the connection and fixation of the second driven roller 605 and the first driven roller 603, and by rotating the screw 802, the screw 802 is driven to slide, thereby controlling the horizontal movement of the supporting component 6 to adjust the placement position of the ceramic.

[0034] The surface of the storage component 4 is provided with a plug hole, and the plug hole is arranged corresponding to the traction plug rod at the bottom of the rotating frame 106; specifically, by passing the traction plug rod at the bottom of the rotating frame 106 through the plug hole, the rotation of the rotating frame 106 can drive the storage component 4 to rotate.

[0035] In summary, when the utility model is in use, the staff adjusts the position of the support assembly 6 according to the size of the special ceramics to be processed, pushes the limit plate 703 to stop the pressing ring 702 from pressing the second driven roller 605, and the spring 604 pushes the second driven roller 605 to separate from the first driven roller 603, so that the first driven roller 603 and the second driven roller 605 can rotate respectively, and the rotating screw 802 drives the screw 802 to slide, and controls the support assembly 6 to move horizontally to a suitable position, pushes the rotating plate 701 to make the pressing ring 702 press the second driven roller 605, so that the card block is connected with the card hole, and the rotating limit plate 703 is pushed into the bottom of the rotating plate 701 to complete the fixation of the second driven roller 605 and the first driven roller 603, and the special ceramic embryos are placed on the tray 606 respectively, and the storage assembly 4 is pushed into the interior of the furnace body 101 by the elevator 3. During the upward movement of the storage assembly 4, the pulling rod passes through the plug hole, so that the rotating frame 10 6 is connected to the storage component 4, pushes the limit block to fit the bottom of the bottom plate 401 to support it, retracts the elevator 3, rotates the cover 103 to close the bottom opening of the furnace body 101, heats and fires the special ceramics in the furnace body 101, starts the rotating motor 105 to drive the rotating frame 106 to rotate, so that the storage component 4 rotates, and at the same time starts the servo motor 402 to drive the main shaft 403 to rotate, so that the active roller 5 on the surface of the main shaft 403 rotates with it, when the active roller 5 below rotates to wrap the traction belt around the surface, pulls the first driven roller 603 to rotate, and the first driven roller 603 drives the secondary shaft 602 to rotate, so that the ceramics on the tray 606 rotate, and at the same time the first driven roller 603 drives the second driven roller 605 to rotate, and the second driven roller 605 pulls the traction belt to wrap around the surface, before the traction belt is close to winding, slows down the speed of the active roller 5, switches the direction of rotation, so that the traction belt is wrapped around the upper active roller 5 and the first driven roller 603 surface.

Claims

1. A vacuum furnace for firing special ceramics, characterized in that: The invention comprises a vacuum furnace (1), wherein a vacuum pump (2) is arranged on one side of the vacuum furnace (1), an elevator (3) for pushing ceramics into and out of the vacuum furnace (1) is arranged on the rear side of the vacuum furnace (1), a storage component (4) is arranged on the movable end of the elevator (3), an active roller (5) is arranged inside the storage component (4), a movable support component (6) is arranged inside the storage component (4), a traction belt is wound around the surface of the active roller (5), and the traction belt is connected to the support component (6), a limiting component (7) for limiting the components of the support component (6) is arranged on the surface of the support component (6), and a pushing component (8) for pulling the support component (6) to move is arranged on the surface of the storage component (4).

2. The vacuum furnace for firing special ceramics according to claim 1, characterized in that: The vacuum furnace (1) comprises a furnace body (101), support legs (102) are fixedly installed on both sides of the furnace body (101), a cover (103) is hingedly installed on the bottom of the furnace body (101), a heating tube (104) is arranged inside the furnace body (101), a rotating motor (105) is fixedly installed on the top of the furnace body (101), and an output end of the rotating motor (105) passes through the top of the furnace body (101) and is fixedly connected to a rotating frame (106).

3. The vacuum furnace for firing special ceramics according to claim 2, characterized in that: Limiting blocks are slidably installed on both sides of the bottom opening of the furnace body (101), and a traction rod is fixedly installed on the bottom of the rotating frame (106).

4. The vacuum furnace for firing special ceramics according to claim 1, characterized in that: The storage assembly (4) comprises a bottom plate (401), a motor box is fixedly mounted on the top of the bottom plate (401), and a servo motor (402) is fixedly mounted inside the motor box, an output end of the servo motor (402) passes through the top of the motor box and is fixedly connected to a main shaft (403), a partition plate (404) is slidably mounted on the surface of the main shaft (403), and a limit ring is fixedly mounted on the surface of the main shaft (403) and fits the partition plate (404).

5. The vacuum furnace for firing special ceramics according to claim 4, characterized in that: The main shaft (403) is provided with a driving roller (5) fixedly sleeved on its surface. The partition plates (404) are provided in two groups, and the driving roller (5) is arranged between the two groups of partition plates (404). The two groups of partition plates (404) are connected via a connecting plate.

6. The vacuum furnace for firing special ceramics according to claim 1, characterized in that: The support component (6) includes a sleeve (601), the sleeve (601) is slidably installed inside the storage component (4), a secondary shaft (602) is rotatably installed inside the sleeve (601), a first driven roller (603) is fixedly installed on the surface of the secondary shaft (602), a spring (604) is fixedly connected to the top of the first driven roller (603), a second driven roller (605) is slidably installed on the surface of the secondary shaft (602), and the top of the spring (604) is in contact with the bottom of the second driven roller (605), and a tray (606) is fixedly installed on the top of the secondary shaft (602).

7. The vacuum furnace for firing special ceramics according to claim 6, characterized in that: A clamping hole is provided at the top of the first driven roller (603), and a clamping block is fixedly connected to the bottom of the second driven roller (605), and the clamping hole and the clamping block are arranged correspondingly. The number of the active rollers (5) is two groups, and the two groups of active rollers (5) are respectively connected to the first driven roller (603) and the second driven roller (605) by traction belts, and the winding directions of the traction belts are opposite.

8. The vacuum furnace for firing special ceramics according to claim 1, characterized in that: The limiting assembly (7) comprises a rotating plate (701), the rotating plate (701) is rotatably mounted on the surface of the supporting assembly (6), a pressing ring (702) is fixedly mounted on the bottom of one end of the rotating plate (701), and a limiting plate (703) is rotatably mounted on the surface of the supporting assembly (6), and the limiting plate (703) is in contact with the bottom of the other end of the rotating plate (701); The pushing component (8) comprises a slider (801), the bottom of the supporting component (6) is fixedly mounted with the slider (801), and the slider (801) is slidably arranged inside the storage component (4), a screw rod (802) is rotatably mounted inside the storage component (4), and the slider (801) is threadedly mounted on the surface of the screw rod (802).

9. The vacuum furnace for firing special ceramics according to claim 1, characterized in that: The surface of the storage component (4) is provided with an insertion hole, and the insertion hole is arranged corresponding to the traction insertion rod at the bottom of the rotating frame (106).

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