A heat treatment device for high-density sintered tabular corundum

Abstract

The present invention discloses a heat treatment device for high-density sintered plate-shaped corundum, which relates to the technical field of heat treatment. It includes a bottom plate, the upper end of the bottom plate is fixedly connected with a column, the upper end of the column is fixedly connected with an installation table, a heating mechanism is arranged on the left side of the upper end of the installation table, a cooling mechanism is arranged on the right side of the upper end of the installation table, a lifting mechanism is arranged on the installation table below the heating mechanism, an ejection mechanism is arranged on the installation table below the cooling mechanism, and a rotating shaft rotatably connected to the installation table penetrates through the upper end of the installation table, and a rotating seat is fixedly connected to the upper end of the rotating shaft. The present invention can simultaneously carry out the sintering heat treatment of plate-shaped corundum and the cooling, loading and unloading treatment of plate-shaped corundum, and can also realize the convenient heat treatment and loading and unloading of plate-shaped corundum, thereby effectively improving the processing efficiency of plate-shaped corundum.

Description

Technical Field

[0001] The present invention relates to the technical field of heat treatment, and particularly relates to a heat treatment device for high-density sintered tabular corundum. Background Art

[0002] Tabular corundum is a pure sintered corundum that is fired without adding any additives such as MgO and B2O3 and has complete shrinkage. It has a plate-like crystal structure, small pores and a relatively large number of closed pores, and its porosity is roughly equivalent to that of fused corundum. It has high purity, good volume stability, and extremely small re-firing shrinkage. The refractories or castables produced with it have good thermal shock stability and flexural strength after high-temperature treatment, but the price is higher than that of other aluminas.

[0003] The patent with the publication number CN217154961U and the name of a heat treatment device for high-density sintered tabular corundum discloses a heat treatment device for high-density sintered tabular corundum, including an operating table, including a tabletop for installing and fixing the heat treatment device; a cooling mechanism, which is arranged on the operating table and includes a temperature reduction component arranged on the operating table and a blowing component arranged in the temperature reduction component. The temperature reduction component is used to reduce the air temperature inside, and the blowing component is used to accelerate the cooling speed of the sintered tabular corundum; a sintering mechanism, which is arranged on one side of the cooling mechanism and is used to sinter raw materials. In this patent, after the sintering of the tabular corundum raw materials is completed, the tabular corundum needs to be cooled inside the sintering box and then unloaded, which is time-consuming and greatly affects the processing efficiency. Summary of the Invention

[0004] The purpose of the present invention is to solve the disadvantages existing in the prior art, and to propose a heat treatment device for high-density sintered tabular corundum.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A heat treatment device for high-density sintered tabular corundum includes a bottom plate, the upper end of the bottom plate is fixedly connected with a column, the upper end of the column is fixedly connected with an installation table, a heating mechanism is arranged on the left side of the upper end of the installation table, a cooling mechanism is arranged on the right side of the upper end of the installation table, a lifting mechanism is arranged on the installation table below the heating mechanism, a jacking mechanism is arranged on the installation table below the cooling mechanism, a rotating shaft is arranged through the upper end of the installation table and is rotationally connected therewith, the upper end of the rotating shaft is fixedly connected with a rotating seat, two sliding grooves are arranged on the side wall of the rotating seat, and placement mechanisms are arranged inside both of the two sliding grooves. An installation cavity is arranged inside the installation table, and a commutation mechanism connected with the rotating shaft is arranged inside the installation cavity.

[0007] As a further improvement of the present invention, the heating mechanism includes a first fixing frame fixedly connected to the upper end of the installation table. A heating box is fixedly installed on the inner top wall of the first fixing frame, and a heating nozzle is provided on the inner side wall of the heating box.

[0008] As a further improvement of the present invention, the cooling mechanism includes a second fixing frame fixedly connected to the upper end of the installation table. A blowing head is installed on the inner top wall of the second fixing frame. A cold air blower is provided on the upper end of the bottom plate. The output end of the cold air blower is connected to a duct, and the end of the duct away from the cold air blower penetrates through the second fixing frame and is connected to the blowing head.

[0009] As a further improvement of the present invention, the lifting mechanism includes two support sleeve rods vertically penetrating through the installation table. The support sleeve rods are slidably connected to the installation table. Threaded rods are inserted into the lower ends of both support sleeve rods, and the lower ends of the threaded rods are rotatably connected to the upper end of the bottom plate. A motor and a shaft seat are installed on the upper end of the bottom plate. The output shaft of the motor is fixedly connected to a worm, and the end of the worm away from the motor is rotatably connected to the side wall of the shaft seat. Worms are fixedly sleeved on the side walls of both threaded rods, and the worms are engaged with the worm.

[0010] As a further improvement of the present invention, the ejecting mechanism includes a second electric telescopic rod fixedly installed on the upper end of the bottom plate. The telescopic end of the second electric telescopic rod faces upward and is fixedly connected to an ejecting rod. The end of the ejecting rod away from the second electric telescopic rod penetrates through the installation table, and the ejecting rod is slidably connected to the installation table.

[0011] As a further improvement of the present invention, the placing mechanism includes a supporting plate. Two sliding rods penetrate through the supporting plate, and the supporting plate is slidably connected to the sliding rods. The upper and lower ends of the sliding rods are fixedly connected to the inner wall of the sliding groove. A through groove penetrates through the center of the upper end of the supporting plate. A placing frame is provided above the supporting plate. Connecting blocks are fixedly connected to the opposite side walls of the placing frame. Two connecting grooves corresponding to the connecting blocks are provided on the upper end of the supporting plate. The two connecting blocks are respectively located inside the two connecting grooves. A pin shaft penetrates through the connecting block, and the connecting block is rotatably connected to the pin shaft. Both ends of the pin shaft are fixedly connected to the inner wall of the connecting groove.

[0012] As a further improvement of the present invention, the reversing mechanism includes a first electric telescopic rod fixedly installed on the inner wall of the installation cavity. The telescopic end of the first electric telescopic rod is fixedly connected to a rack. A gear is fixedly sleeved on the side wall of the rotating shaft, and the gear is engaged with the rack. A guiding groove is provided on the inner wall of the installation cavity, and the end of the rack away from the first electric telescopic rod is slidably inserted into the guiding groove.

[0013] As a further improvement of the present invention, two moving wheels are installed at the lower end of the supporting plate.

[0014] As a further improvement of the present invention, a collection box is provided at the upper end of the bottom plate.

[0015] Advantages of the present invention:

[0016] 1. By providing a commutation mechanism, a rotating shaft, and a rotating base, the commutation mechanism can drive the rotation of the rotating shaft, the rotating shaft can drive the rotation of the rotating base, and through the rotation of the rotating base, the placement mechanisms on both sides can swap positions, so that the sintering heat treatment of tabular corundum and the cooling and loading / unloading treatment of tabular corundum can be carried out simultaneously, thereby effectively improving the processing efficiency of tabular corundum.

[0017] 2. By providing a lifting mechanism, the lifting mechanism can lift the placement mechanism and make the placement frame and the tabular corundum in the placement frame enter the heating box, facilitating the heating treatment of tabular corundum.

[0018] 3. By providing an ejection mechanism, when the second electric telescopic rod is started to extend, it can drive the ejector rod to rise. The ejector rod is inserted into the through groove, and the placement frame is lifted by the ejector rod, making the placement frame tilt, so that the tabular corundum inside the placement frame can automatically fall into the collection box, realizing the automatic feeding and collection of tabular corundum.

[0019] The present invention can simultaneously carry out the sintering heat treatment of tabular corundum and the cooling and loading / unloading treatment of tabular corundum, and can also realize the convenient heat treatment and loading / unloading of tabular corundum, thereby effectively improving the processing efficiency of tabular corundum. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a schematic structural diagram of a heat treatment device for high-density sintered tabular corundum proposed by the present invention;

[0021] Figure 2 is a schematic structural diagram of a supporting plate and a placement frame of a heat treatment device for high-density sintered tabular corundum proposed by the present invention;

[0022] Figure 3 is a schematic structural diagram of a supporting plate, a through groove, and a connecting groove of a heat treatment device for high-density sintered tabular corundum proposed by the present invention;

[0023] Figure 4 is a schematic structural diagram of a placement frame, a connecting block, and a pin shaft of a heat treatment device for high-density sintered tabular corundum proposed by the present invention.

[0024] In the figure: 1 bottom plate, 2 upright column, 3 mounting table, 4 first fixing frame, 5 heating box, 6 heating nozzle, 7 supporting plate, 8 placing frame, 9 moving wheel, 10 supporting sleeve rod, 11 threaded rod, 12 motor, 13 worm gear, 14 worm, 15 shaft seat, 16 guiding groove, 17 mounting cavity, 18 rotating shaft, 19 gear, 20 rack, 21 first electric telescopic rod, 22 rotating seat, 23 sliding groove, 24 sliding rod, 25 blowing head, 26 second fixing frame, 27 air duct, 28 cold air blower, 29 collection box, 30 second electric telescopic rod, 31 ejector rod, 32 through groove, 33 connecting groove, 34 connecting block, 35 pin shaft. Detailed implementation manners

[0025] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0026] Refer to Figures 1 - 4 , a heat treatment device for high-density sintered plate-shaped corundum, including a bottom plate 1, an upright column 2 is fixedly connected to the upper end of the bottom plate 1, a mounting table 3 is fixedly connected to the upper end of the upright column 2, a heating mechanism is arranged on the left side of the upper end of the mounting table 3, the heating mechanism includes a first fixing frame 4 fixedly connected to the upper end of the mounting table 3, a heating box 5 is fixedly installed on the inner top wall of the first fixing frame 4, a heating nozzle 6 is arranged on the inner side wall of the heating box 5, a cooling mechanism is arranged on the right side of the upper end of the mounting table 3, a lifting mechanism is arranged on the mounting table 3 below the heating mechanism, a jacking mechanism is arranged on the mounting table 3 below the cooling mechanism, the jacking mechanism includes a second electric telescopic rod 30 fixedly installed on the upper end of the bottom plate 1, the telescopic end of the second electric telescopic rod 30 faces upward and is fixedly connected to an ejector rod 31, one end of the ejector rod 31 away from the second electric telescopic rod 30 penetrates through the mounting table 3, and the ejector rod 31 is slidably connected to the mounting table 3. By starting the second electric telescopic rod 30 to extend, the ejector rod 31 can be driven to rise, the ejector rod 31 is inserted into the through groove 32, and the placing frame 8 can be jacked up by the ejector rod 31, so that the placing frame 8 is inclined, and the plate-shaped corundum inside the placing frame 8 can automatically fall into the collection box 29, realizing the automatic blanking and collection of the plate-shaped corundum. A rotating shaft 18 rotatably connected to the mounting table 3 penetrates through the upper end of the mounting table 3, a rotating seat 22 is fixedly connected to the upper end of the rotating shaft 18, two sliding grooves 23 are arranged on the side wall of the rotating seat 22, placing mechanisms are arranged inside both of the two sliding grooves 23, a mounting cavity 17 is arranged inside the mounting table 3, a commutation mechanism connected to the rotating shaft 18 is arranged inside the mounting cavity 17, a collection box 29 is arranged on the upper end of the bottom plate 1, and the collection box 29 can collect the plate-shaped corundum.

[0027] In the present invention, the cooling mechanism includes a second fixing frame 26 fixedly connected to the upper end of the mounting table 3. A blowing head 25 is installed on the inner top wall of the second fixing frame 26. A cold air blower 28 is provided at the upper end of the bottom plate 1. The output end of the cold air blower 28 is connected to an air duct 27. One end of the air duct 27 away from the cold air blower 28 penetrates through the second fixing frame 26 and is connected to the blowing head 25.

[0028] The lifting mechanism includes two support sleeve rods 10 vertically penetrating through the mounting table 3. The cross-section of the outer side wall of the support sleeve rod 10 is a rectangular structure. The support sleeve rod 10 is slidably connected to the mounting table 3. Threaded rods 11 are inserted into the lower ends of the two support sleeve rods 10 in a threaded manner. The lower ends of the threaded rods 11 are rotatably connected to the upper end of the bottom plate 1. A motor 12 and a shaft seat 15 are installed on the upper end of the bottom plate 1. The output shaft of the motor 12 is fixedly connected to a worm 14. One end of the worm 14 away from the motor 12 is rotatably connected to the side wall of the shaft seat 15. Worms 13 are fixedly sleeved on the side walls of the two threaded rods 11. The worms 13 are engaged with the worm 14.

[0029] The placing mechanism includes a supporting plate 7. Two moving wheels 9 are installed at the lower end of the supporting plate 7. The supporting plate 7 can be supported by the moving wheels 9, and the supporting plate 7 can be rotated more easily on the mounting table 3. Two sliding rods 24 penetrate through the supporting plate 7. The supporting plate 7 is slidably connected to the sliding rods 24. The upper and lower ends of the sliding rods 24 are fixedly connected to the inner wall of the sliding groove 23. A through groove 32 penetrates through the center of the upper end of the supporting plate 7. A placing frame 8 is provided above the supporting plate 7. Connecting blocks 34 are fixedly connected to the opposite side walls of the placing frame 8. Two connecting grooves 33 corresponding to the connecting blocks 34 are provided at the upper end of the supporting plate 7. The two connecting blocks 34 are respectively located inside the two connecting grooves 33. A pin shaft 35 penetrates through the connecting block 34. The connecting block 34 is rotatably connected to the pin shaft 35. Both ends of the pin shaft 35 are fixedly connected to the inner wall of the connecting groove 33, so that the placing frame 8 can rotate, thereby facilitating the unloading of the plate-shaped corundum inside the placing frame 8.

[0030] The commutation mechanism includes a first electric telescopic rod 21 fixedly installed on the inner wall of the installation cavity 17. The telescopic end of the first electric telescopic rod 21 is fixedly connected to a rack 20. A gear 19 is fixedly sleeved on the side wall of the rotating shaft 18. The gear 19 is engaged with the rack 20. A guide groove 16 is provided on the inner wall of the installation cavity 17. One end of the rack 20 away from the first electric telescopic rod 21 is slidably inserted into the guide groove 16. The movement of the rack 20 can be guided through the guide groove 16 to ensure the stability of the movement of the rack 20.

[0031] When the present invention is in use, the staff place the tabular corundum raw material inside the placement frame 8 on the right side of the installation table 3, and heat and sinter the tabular corundum raw material inside the heating box 5 through the heating nozzle 6. After the sintering of the tabular corundum raw material is completed, the motor 12 is started to drive the worm 14 to rotate. Since the worm 14 meshes with the worm wheel 13, the worm wheel 13 can be driven to rotate. The threaded rod 11 is driven to rotate by the worm wheel 13. Since the threaded rod 11 is threadedly connected to the support sleeve rod 10, the support sleeve rod 10 can be moved downward, and then the supporting plate 7 is moved downward to drive the sintered tabular corundum to descend.

[0032] Then, the first electric telescopic rod 21 is started to extend, driving the rack 20 to move. Since the rack 20 meshes with the gear 19, the gear 19 can be driven to rotate. The rotating shaft 18 is driven to rotate by the gear 19, and the rotating seat 22 is driven to rotate 180 degrees by the rotating shaft 18, so that the supporting plates 7 on both sides are swapped in position. Then, the motor 12 is driven to flip, and the support sleeve rod 10 can be driven to move upward. The supporting plate 7 below the heating box 5 is lifted upward by the support sleeve rod 10, and the tabular corundum raw material inside the heating box 5 is heated and sintered through the heating nozzle 6. At the same time, the cold air blower 28 is started to blow cold air into the air blowing head 25, and the sintered tabular corundum is cooled through the air blowing head 25.

[0033] Then, by starting the second electric telescopic rod 30 to extend, the ejector rod 31 can be driven to rise upward. The ejector rod 31 is inserted into the through groove 32, and the placement frame 8 is lifted by the ejector rod 31, making the placement frame 8 tilt, so that the tabular corundum inside the placement frame 8 automatically falls into the collection box 29, realizing the automatic blanking and collection of the tabular corundum.

[0034] The above is only the preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, makes equivalent replacements or changes, and all should be covered within the protection scope of the present invention.

Claims

1. A heat treatment device for high-density sintered tabular corundum, comprising a bottom plate (1), characterized in that, The upper end of the bottom plate (1) is fixedly connected with a column (2), the upper end of the column (2) is fixedly connected with a mounting table (3), a heating mechanism is arranged on the left side of the upper end of the mounting table (3), a cooling mechanism is arranged on the right side of the upper end of the mounting table (3), a lifting mechanism is arranged on the mounting table (3) below the heating mechanism, an ejecting mechanism is arranged on the mounting table (3) below the cooling mechanism, a rotating shaft (18) which is rotatably connected with the mounting table (3) penetrates through the upper end of the mounting table (3), the upper end of the rotating shaft (18) is fixedly connected with a rotating seat (22), two sliding grooves (23) are arranged on the side wall of the rotating seat (22), placing mechanisms are arranged inside both of the two sliding grooves (23), an installation cavity (17) is arranged inside the mounting table (3), and a commutation mechanism connected with the rotating shaft (18) is arranged inside the installation cavity (17); the ejecting mechanism includes a second electric telescopic rod (30) fixedly installed on the upper end of the bottom plate (1), the telescopic end of the second electric telescopic rod (30) faces upwards and is fixedly connected with an ejecting rod (31), one end of the ejecting rod (31) far away from the second electric telescopic rod (30) penetrates through the mounting table (3), and the ejecting rod (31) is slidably connected with the mounting table (3).

2. The heat treatment device for high-density sintered tabular corundum according to claim 1, characterized in that, The heating mechanism includes a first fixing frame (4) fixedly connected to the upper end of the mounting table (3), a heating box (5) is fixedly installed on the inner top wall of the first fixing frame (4), and heating nozzles (6) are arranged on the inner side wall of the heating box (5).

3. The heat treatment device for high-density sintered plate-shaped corundum according to claim 1, characterized in that, The cooling mechanism includes a second fixing frame (26) fixedly connected to the upper end of the mounting table (3), a blowing head (25) is installed on the inner top wall of the second fixing frame (26), a cold air blower (28) is arranged on the upper end of the bottom plate (1), the output end of the cold air blower (28) is connected with an air guide pipe (27), and one end of the air guide pipe (27) far away from the cold air blower (28) penetrates through the second fixing frame (26) and is connected with the blowing head (25).

4. The heat treatment device for high-density sintered tabular corundum according to claim 2, characterized in that, The lifting mechanism includes two support sleeve rods (10) vertically penetrating through the mounting table (3), the support sleeve rods (10) are slidably connected with the mounting table (3), threaded rods (11) are threadedly inserted at the lower ends of both of the two support sleeve rods (10), the lower ends of the threaded rods (11) are rotatably connected to the upper end of the bottom plate (1), a motor (12) and a shaft seat (15) are installed on the upper end of the bottom plate (1), the output shaft of the motor (12) is fixedly connected with a worm (14), one end of the worm (14) far away from the motor (12) is rotatably connected to the side wall of the shaft seat (15), worm wheels (13) are fixedly sleeved on the side walls of both of the two threaded rods (11), and the worm wheels (13) are meshed with the worm (14).

5. The heat treatment device for high-density sintered plate-shaped corundum according to claim 1, characterized in that, The placement mechanism includes a supporting plate (7). Two sliding rods (24) penetrate through the supporting plate (7). The supporting plate (7) is slidably connected to the sliding rods (24). Both the upper and lower ends of the sliding rods (24) are fixedly connected to the inner wall of the sliding groove (23). A through groove (32) penetrates through the center of the upper end of the supporting plate (7). A placement frame (8) is provided above the supporting plate (7). Connecting blocks (34) are fixedly connected to the opposite side walls of the placement frame (8). Two connecting grooves (33) corresponding to the connecting blocks (34) are provided at the upper end of the supporting plate (7). The two connecting blocks (34) are respectively located inside the two connecting grooves (33). A pin shaft (35) penetrates through the connecting block (34). The connecting block (34) is rotatably connected to the pin shaft (35). Both ends of the pin shaft (35) are fixedly connected to the inner wall of the connecting groove (33).

6. The heat treatment device for a high-density sintered plate-shaped corundum according to claim 1, characterized in that, The commutation mechanism includes a first electric telescopic rod (21) fixedly installed on the inner wall of the installation cavity (17). The telescopic end of the first electric telescopic rod (21) is fixedly connected to a rack (20). A gear (19) is fixedly sleeved on the side wall of the rotating shaft (18). The gear (19) meshes with the rack (20). A guiding groove (16) is provided on the inner wall of the installation cavity (17). One end of the rack (20) away from the first electric telescopic rod (21) is slidably inserted into the guiding groove (16).

7. The heat treatment device for high-density sintered plate-shaped corundum according to claim 5, characterized in that, Two moving wheels (9) are installed at the lower end of the supporting plate (7).

8. The heat treatment device for high-density sintered plate-shaped corundum according to claim 1, characterized in that, A collection box (29) is provided at the upper end of the bottom plate (1).

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