Mixing device and method for preparing titanium diboride-carbon composite material

Abstract

The invention discloses a material mixing device and method for preparing a titanium diboride-carbon composite material, and belongs to the technical field of titanium diboride production.The material mixing device and method for preparing the titanium diboride-carbon composite material comprise a material mixing barrel, a containing frame is installed at the top of the material mixing barrel, and a feeding barrel is installed at the top of the containing frame; a feeding assembly is arranged at the bottom of the feeding barrel, and a cleaning assembly is arranged on the inner wall of the mixing barrel; the throwing assembly comprises a material guide pipe arranged at the bottom of the feeding barrel, a through opening formed in the top of the material guide pipe, a material blocking plate movably arranged in the through opening and a lifting unit arranged on the side portion of the material blocking plate. The cleaning assembly comprises a mounting frame, a cleaning roller arranged on the side portion of the mounting frame and a rotating unit arranged on the top of the cleaning roller. A transmission assembly is arranged between the putting assembly and the cleaning assembly. Through the arrangement of the feeding assembly and the cleaning assembly, the material mixing effect is improved, the material mixing speed is increased, and the inner wall of the material mixing barrel is cleaned.

Description

Technical Field

[0001] The invention relates to the technical field of titanium diboride production, and in particular to a mixing device and method for preparing a titanium diboride-carbon composite material. Background Art

[0002] Titanium diboride is a composite ceramic material and can be used as an important component of multi-component composite materials. It can be used with TiC, B4C, SiC and other materials to form composite materials to make various high-temperature resistant components and functional components, such as high-temperature crucibles, engine components, etc. It is also the basic material for making armor protection materials.

[0003] At present, carbon reduction vacuum synthesis of titanium diboride is used. Usually, a supporting device is used to facilitate the movement of the batching tank. When the weighing box pours the TiO2, B4C, C mixture into the box, the batching tank will cause obstruction when the weighing box is tilted. A pushing device is used to facilitate the movement of the weighing box up and down, so that the remaining residue of titanium diboride in the dumped weighing box can be vibrated and removed.

[0004] However, the existing titanium diboride-carbon composite materials will cause titanium diboride residues to remain on the inner wall of the container during the mixing process, and the weighed materials cannot be added separately, which easily causes the materials to mix with each other and affects the batching progress.

[0005] Therefore, there is an urgent need to provide a mixing device and method for preparing a titanium diboride-carbon composite material to solve the above problems. Summary of the invention

[0006] The technical problem to be solved by the present invention is to overcome the shortcomings of the above-mentioned prior art titanium diboride-carbon composite material that titanium diboride residue will remain on the inner wall of the container during the mixing process, and the weighed materials cannot be added separately, which easily causes the materials to mix with each other and affects the batching progress. A mixing device and method for preparing titanium diboride-carbon composite materials are provided.

[0007] In order to solve the above technical problems, a technical solution adopted by the present invention is: providing a mixing device for preparing titanium diboride-carbon composite material, comprising a mixing cylinder, a placing rack is installed on the top of the mixing cylinder, a feeding cylinder is installed on the top of the placing rack, a feeding assembly is provided at the bottom of the feeding cylinder, and a cleaning assembly is provided on the inner wall of the mixing cylinder;

[0008] The delivery assembly includes a material guide pipe arranged at the bottom of the feed barrel, a through hole arranged at the top of the material guide pipe, a material baffle plate movably arranged inside the through hole, and a lifting unit arranged on the side of the material baffle plate;

[0009] The cleaning assembly includes a mounting frame, a cleaning roller disposed on the side of the mounting frame, and a rotating unit disposed on the top of the cleaning roller;

[0010] A transmission component is arranged between the delivery component and the cleaning component.

[0011] The present invention is further configured as follows: the placement rack is composed of a fixed seat, a support ring arranged outside the fixed seat, and a connecting rod arranged between the support ring and the fixed seat, the top surface of the connecting rod is provided with a placement groove, and the feed barrel is installed inside the placement groove;

[0012] There are multiple feeding cylinders, and the multiple feeding cylinders are distributed in a circular array with the center point of the fixed seat as a circle.

[0013] The present invention is further configured as follows: a side wall of the feed barrel is provided with a notch, and a transverse plate is provided inside the notch.

[0014] The present invention is further configured as follows: there are a plurality of lifting units, and the plurality of lifting units are distributed in a circular array with the center point of the fixing seat as a circle;

[0015] The lifting unit includes a support frame installed on the inner wall of the mixing barrel, a fixed frame installed on the top of the support frame, a fixed shell installed on the top of the fixed frame, a push rod movably arranged inside the fixed shell, and a reset part arranged on the top of the push rod. A lifting frame is arranged on the side of the push rod, and the lifting frame is installed on the top of the baffle plate.

[0016] The present invention is further configured as follows: an opening is provided on the top of the fixed shell;

[0017] The reset part includes a mounting seat installed at the top edge of the fixed shell, a guide rod fixedly connected to the side of the mounting seat, a guide sleeve movably arranged on the outside of the guide rod, and an extrusion piece arranged on the side of the guide sleeve. The guide sleeve is installed on the top of the push rod.

[0018] The present invention is further configured as follows: there are multiple mounting frames, the multiple mounting frames are distributed in a circular array with the center point of the mixing barrel as a circle, the number of cleaning rollers is the same as the number of mounting frames, and a cleaning sleeve is installed on the outer side of the cleaning roller.

[0019] The present invention is further configured as follows: the rotating unit includes a transmission gear installed on the top of the cleaning roller and a toothed ring meshed with the side of the transmission gear, the inner wall of the mixing barrel is provided with an annular groove, and the toothed ring is installed inside the annular groove.

[0020] The present invention is further configured as follows: the transmission assembly comprises a driving member installed at the bottom center of the mixing barrel, a rotating rod installed at the end of the output shaft of the driving member, a movable seat installed at the top of the rotating rod and a convex plate installed on the outer side of the movable seat, one end of the mounting frame is installed on the surface of the rotating rod, and a plurality of stirring rods are also installed on the surface of the rotating rod;

[0021] There are multiple convex plates, and the multiple convex plates are distributed in a circular array with the center point of the movable seat as a circle.

[0022] A method for using a mixing device for preparing a titanium diboride-carbon composite material comprises the following steps:

[0023] S1, feeding, firstly, a plurality of materials are respectively placed into the corresponding feeding cylinder, and the horizontal plate prevents the materials from flowing downward;

[0024] S2, intermittent material discharge, the horizontal plate is pulled toward the outside of the feed barrel, and the material inside the feed barrel falls into the guide tube under the action of gravity, and is intercepted by the baffle plate, and then the driving member drives the rotating rod to rotate, thereby driving the convex plate to rotate, and when the convex plate rotates, its end will squeeze one end of the push rod, so that the other end of the push rod squeezes the lifting frame to move upward, and the upward movement of the lifting frame will drive the baffle plate to move upward, so that the material inside the guide tube falls downward into the mixing barrel under the action of gravity, and when the convex plate rotates until it is no longer in contact with the push rod, the push rod will return to its original position under the action of the guide sleeve and the extrusion member, and the lifting frame will lose its restriction and fall downward, intercepting the material inside the guide tube again, and the lifting frame will move upward once each time the convex plate rotates one circle, so as to perform intermittent material discharge for multiple materials;

[0025] S3, mixing, after multiple materials intermittently enter the interior of the mixing barrel, the driving member will synchronously drive the stirring rod to mix the multiple materials through the rotating rod when working;

[0026] S4, cleaning, when the rotating rod rotates, it will synchronously drive the mounting frame to rotate, and the mounting frame will drive the cleaning roller to make a circular motion with the rotating rod as the center, and the cleaning roller will drive the transmission gear to move when moving. Since the transmission gear is meshed with the toothed ring, the transmission gear will rotate when moving, thereby driving the cleaning roller to rotate, and the inner wall of the mixing barrel is cleaned through the cleaning sleeve.

[0027] The beneficial effects of the present invention are as follows:

[0028] The lifting frame is free of restriction and falls downward, intercepting the material in the material guide tube again. When the convex plate rotates one circle, the lifting frame moves upward once, thereby discharging a variety of materials intermittently, thereby improving the mixing effect and mixing speed.

[0029] 2. The cleaning assembly of the present invention can synchronously drive the mounting frame to rotate when the rotating rod rotates, and the mounting frame can drive the cleaning roller to make a circular motion with the rotating rod as the center, and the cleaning roller can drive the transmission gear to move when moving. Since the transmission gear is meshed with the toothed ring, the transmission gear will rotate when moving, thereby driving the cleaning roller to rotate, and cooperate with the cleaning sleeve to clean the inner wall of the mixing barrel to avoid affecting the subsequent use;

[0030] 3. The present invention provides a transmission assembly, and the driving member cooperates with the rotating rod to synchronously drive the components in the delivery assembly and the cleaning assembly to operate, thereby reducing the production cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a three-dimensional structural diagram of the present invention;

[0032] Figure 2 It is a three-dimensional structural diagram of the delivery component and the cleaning component of the present invention;

[0033] Figure 3 for Figure 2 A partial enlarged view of the middle A;

[0034] Figure 4 It is a cross-sectional three-dimensional structural diagram of the present invention;

[0035] Figure 5 for Figure 4 A partial enlarged view of point B in the middle;

[0036] Figure 6 for Figure 4 A partial enlarged view of point C in the middle.

[0037] In the figure: 1. mixing barrel; 11. annular groove; 2. placement rack; 21. fixed seat; 22. support ring; 23. connecting rod; 3. feeding barrel; 31. cross plate; 4. delivery assembly; 41. material guide pipe; 42. through port; 43. material baffle plate; 44. lifting unit; 441. support frame; 442. fixed frame; 443. fixed shell; 444. push rod; 445. reset part; 4451. mounting seat; 4452. guide rod; 4453. guide sleeve; 4454. extrusion piece; 446. lifting frame; 5. cleaning assembly; 51. mounting frame; 52. cleaning roller; 521. cleaning sleeve; 53. rotating unit; 531. transmission gear; 532. toothed ring; 6. transmission assembly; 61. driving member; 62. rotating rod; 621. stirring rod; 63. movable seat; 64. convex plate. DETAILED DESCRIPTION

[0038] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0039] See also Figure 1 - Figure 6 A mixing device for preparing titanium diboride-carbon composite material comprises a mixing barrel 1, a placing rack 2 is installed on the top of the mixing barrel 1, a feeding barrel 3 is installed on the top of the placing rack 2, a feeding assembly 4 is provided at the bottom of the feeding barrel 3, the feeding assembly 4 is used for intermittent feeding of multiple materials, a cleaning assembly 5 is provided on the inner wall of the mixing barrel 1, and the cleaning assembly 5 is used for cleaning the inner wall of the mixing barrel 1 to prevent the residual material adhering to the inner wall of the mixing barrel 1 from affecting the next use;

[0040] The feeding assembly 4 includes a material guide tube 41 disposed at the bottom of the feed tube 3, a through hole 42 disposed at the top of the material guide tube 41, a material baffle plate 43 movably disposed inside the through hole 42, and a lifting unit 44 disposed on the side of the material baffle plate 43;

[0041] There are multiple lifting units 44, and the multiple lifting units 44 are distributed in a circular array with the center point of the fixing seat 21 as a circle;

[0042] The lifting unit 44 includes a support frame 441 installed on the inner wall of the mixing barrel 1, a fixed frame 442 installed on the top of the support frame 441, a fixed shell 443 installed on the top of the fixed frame 442, a push rod 444 movably arranged inside the fixed shell 443, and a reset part 445 arranged on the top of the push rod 444. A lifting frame 446 is arranged on the side of the push rod 444, and the lifting frame 446 is installed on the top of the baffle plate 43.

[0043] Wherein, the top of the fixed shell 443 is provided with an opening;

[0044] The reset part 445 includes a mounting seat 4451 installed at the top edge of the fixed shell 443, a guide rod 4452 fixedly connected to the side of the mounting seat 4451, a guide sleeve 4453 movably arranged on the outside of the guide rod 4452, and an extrusion piece 4454 arranged on the side of the guide sleeve 4453. Preferably, the extrusion piece 4454 is an extrusion spring, and the guide sleeve 4453 is installed on the top of the push rod 444.

[0045] The cleaning assembly 5 includes a mounting frame 51, a cleaning roller 52 disposed on the side of the mounting frame 51, and a rotating unit 53 disposed on the top of the cleaning roller 52;

[0046] There are multiple mounting frames 51 , which are distributed in a circular array with the center point of the mixing barrel 1 as a circle. The number of cleaning rollers 52 is the same as the number of mounting frames 51 , and a cleaning sleeve 521 is installed on the outer side of the cleaning roller 52 .

[0047] The rotating unit 53 includes a transmission gear 531 installed on the top of the cleaning roller 52 and a toothed ring 532 meshed with the side of the transmission gear 531 . The inner wall of the mixing barrel 1 is provided with an annular groove 11 , and the toothed ring 532 is installed inside the annular groove 11 .

[0048] A transmission component 6 is provided between the delivery component 4 and the cleaning component 5;

[0049] The transmission assembly 6 includes a driving member 61 installed at the bottom center of the mixing barrel 1, a rotating rod 62 installed at the end of the output shaft of the driving member 61, a movable seat 63 installed at the top of the rotating rod 62, and a convex plate 64 installed on the outer side of the movable seat 63. One end of the mounting frame 51 is installed on the surface of the rotating rod 62. A plurality of stirring rods 621 are also installed on the surface of the rotating rod 62. Preferably, the driving member 61 is a servo motor.

[0050] There are multiple protruding plates 64 , and the multiple protruding plates 64 are distributed in a circular array with the center point of the movable seat 63 as a circle.

[0051] The placement rack 2 is composed of a fixed seat 21, a support ring 22 arranged outside the fixed seat 21, and a connecting rod 23 arranged between the support ring 22 and the fixed seat 21. A placement groove is provided on the top surface of the connecting rod 23, and the feed barrel 3 is installed inside the placement groove.

[0052] There are multiple feeding cylinders 3 , and the multiple feeding cylinders 3 are distributed in a circular array with the center point of the fixing seat 21 as a circle.

[0053] A slot is formed on the side wall of the feed tube 3 , and a transverse plate 31 is disposed inside the slot.

[0054] A method for using a mixing device for preparing a titanium diboride-carbon composite material comprises the following steps:

[0055] S1, feeding, firstly, a plurality of materials are respectively placed into the corresponding feeding cylinder 3, and the horizontal plate 31 prevents the materials from flowing downward;

[0056] S2, intermittent material discharge, pull the horizontal plate 31 to the outside of the feed barrel 3, the material inside the feed barrel 3 falls into the inside of the guide tube 41 under the action of gravity, and is intercepted by the baffle plate 43, and then the driving member 61 drives the rotating rod 62 to rotate, thereby driving the convex plate 64 to rotate, and when the convex plate 64 rotates, its end squeezes one end of the push rod 444, so that the other end of the push rod 444 squeezes the lifting frame 446 to move upward, and the lifting frame 446 moves upward to drive the baffle plate 43 The lifting frame 446 moves upward, so that the material inside the material guide tube 41 falls downward into the mixing barrel 1 under the action of gravity, and when the convex plate 64 rotates to no longer contact the push rod 444, the push rod 444 returns to its original position under the action of the guide sleeve 4453 and the extrusion piece 4454, and the lifting frame 446 loses its restriction and falls downward, intercepting the material inside the material guide tube 41 again. When the convex plate 64 rotates one circle, the lifting frame 446 moves upward once, and multiple materials are discharged intermittently.

[0057] S3, mixing, after the various materials intermittently enter the interior of the mixing barrel 1, the driving member 61 will drive the stirring rod 621 to mix the various materials through the rotating rod 62 when working;

[0058] S4, cleaning, when the rotating rod 62 rotates, it will synchronously drive the mounting frame 51 to rotate, and the mounting frame 51 will drive the cleaning roller 52 to make a circular motion with the rotating rod 62 as the center, and the cleaning roller 52 will drive the transmission gear 531 to move when moving. Since the transmission gear 531 is meshed with the toothed ring 532, the transmission gear 531 will rotate when moving, thereby driving the cleaning roller 52 to rotate, and the inner wall of the mixing barrel 1 is cleaned through the cleaning sleeve 521.

[0059] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A mixing device for preparing a titanium diboride-carbon composite material, comprising a mixing cylinder (1), characterized in that: A placement rack (2) is installed on the top of the mixing barrel (1), a feeding barrel (3) is installed on the top of the placement rack (2), a delivery assembly (4) is provided at the bottom of the feeding barrel (3), and a cleaning assembly (5) is provided on the inner wall of the mixing barrel (1); The delivery assembly (4) comprises a material guide tube (41) arranged at the bottom of the feed tube (3), a through hole (42) arranged at the top of the material guide tube (41), a material baffle plate (43) movably arranged inside the through hole (42), and a lifting unit (44) arranged at the side of the material baffle plate (43); The cleaning assembly (5) comprises a mounting frame (51), a cleaning roller (52) arranged on the side of the mounting frame (51), and a rotating unit (53) arranged on the top of the cleaning roller (52); A transmission assembly (6) is provided between the delivery assembly (4) and the cleaning assembly (5).

2. A mixing device for preparing a titanium diboride-carbon composite material according to claim 1, characterized in that: The placement rack (2) is composed of a fixed seat (21), a support ring (22) arranged outside the fixed seat (21), and a connecting rod (23) arranged between the support ring (22) and the fixed seat (21); a placement groove is formed on the top surface of the connecting rod (23), and the feed barrel (3) is installed inside the placement groove; There are a plurality of the feed barrels (3), and the plurality of feed barrels (3) are distributed in a circular array with the center point of the fixed seat (21) as a circle.

3. A mixing device for preparing a titanium diboride-carbon composite material according to claim 2, characterized in that: The side wall of the feeding cylinder (3) is provided with a notch, and a transverse plate (31) is arranged inside the notch.

4. A mixing device for preparing a titanium diboride-carbon composite material according to claim 3, characterized in that: There are a plurality of lifting units (44), and the plurality of lifting units (44) are distributed in a circular array with the center point of the fixing seat (21) as a circle; The lifting unit (44) includes a support frame (441) installed on the inner wall of the mixing barrel (1), a fixed frame (442) installed on the top of the support frame (441), a fixed shell (443) installed on the top of the fixed frame (442), a push rod (444) movably arranged inside the fixed shell (443), and a reset part (445) arranged on the top of the push rod (444). A lifting frame (446) is arranged on the side of the push rod (444), and the lifting frame (446) is installed on the top of the baffle plate (43).

5. A mixing device for preparing a titanium diboride-carbon composite material according to claim 4, characterized in that: The top of the fixed shell (443) is provided with an opening; The reset part (445) includes a mounting seat (4451) mounted on the top edge of the fixed shell (443), a guide rod (4452) fixedly connected to the side of the mounting seat (4451), a guide sleeve (4453) movably arranged on the outside of the guide rod (4452), and an extrusion piece (4454) arranged on the side of the guide sleeve (4453), wherein the guide sleeve (4453) is mounted on the top of the push rod (444).

6. A mixing device for preparing a titanium diboride-carbon composite material according to claim 5, characterized in that: There are a plurality of mounting frames (51), and the plurality of mounting frames (51) are distributed in a circular array with the center point of the mixing barrel (1) as a circle. The number of the cleaning rollers (52) is the same as the number of the mounting frames (51), and a cleaning sleeve (521) is installed on the outer side of the cleaning roller (52).

7. A mixing device for preparing a titanium diboride-carbon composite material according to claim 6, characterized in that: The rotating unit (53) comprises a transmission gear (531) mounted on the top of the cleaning roller (52) and a toothed ring (532) meshed with the side of the transmission gear (531); an annular groove (11) is formed on the inner wall of the mixing barrel (1), and the toothed ring (532) is mounted inside the annular groove (11).

8. A mixing device for preparing a titanium diboride-carbon composite material according to claim 7, characterized in that: The transmission assembly (6) comprises a driving member (61) mounted at the bottom center of the mixing barrel (1), a rotating rod (62) mounted at the end of the output shaft of the driving member (61), a movable seat (63) mounted at the top of the rotating rod (62), and a convex plate (64) mounted on the outer side of the movable seat (63); one end of the mounting frame (51) is mounted on the surface of the rotating rod (62), and a plurality of stirring rods (621) are also mounted on the surface of the rotating rod (62); There are a plurality of convex plates (64), and the plurality of convex plates (64) are distributed in a circular array with the center point of the movable seat (63) as a circle.

9. A method for using a mixing device for preparing a titanium diboride-carbon composite material according to any one of claims 1 to 8, characterized in that: The following steps are involved: S1, feeding, firstly, a plurality of materials are respectively placed into the corresponding feeding cylinder (3), and the horizontal plate (31) prevents the materials from flowing downward; S2, intermittent material discharge, pull the cross plate (31) toward the outside of the feed barrel (3), the material inside the feed barrel (3) falls into the inside of the guide tube (41) due to gravity, and is intercepted by the baffle plate (43), and then the drive member (61) drives the rotating rod (62) to rotate, thereby driving the convex plate (64) to rotate, and when the convex plate (64) rotates, its end squeezes one end of the push rod (444), so that the other end of the push rod (444) squeezes the lifting frame (446) to move upward, and the upward movement of the lifting frame (446) drives the baffle plate (43) to rotate. The material plate (43) moves upward, so that the material inside the material guide tube (41) falls downward into the mixing barrel (1) under the action of gravity, and when the convex plate (64) rotates to no longer contact the push rod (444), the push rod (444) returns to its original position under the action of the guide sleeve (4453) and the extrusion member (4454), and the lifting frame (446) loses its restriction and falls downward, intercepting the material inside the material guide tube (41) again. When the convex plate (64) rotates one circle, the lifting frame (446) moves upward once, and intermittently discharges a variety of materials. S3, mixing, after the various materials intermittently enter the interior of the mixing barrel (1), the driving member (61) will synchronously drive the stirring rod (621) through the rotating rod (62) to mix the various materials when working; S4, cleaning. When the rotating rod (62) rotates, it will synchronously drive the mounting frame (51) to rotate. The mounting frame (51) will drive the cleaning roller (52) to make a circular motion with the rotating rod (62) as the center. When the cleaning roller (52) moves, it will drive the transmission gear (531) to move. Since the transmission gear (531) is meshed with the toothed ring (532), the transmission gear (531) will rotate when it moves, thereby driving the cleaning roller (52) to rotate, and the inner wall of the mixing barrel (1) is cleaned through the cleaning sleeve (521).

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