Mixing equipment for silicon carbide aluminum-based composite material

Abstract

The utility model relates to the technical field of silicon carbide aluminum-based composite material preparation, in particular to a silicon carbide aluminum-based composite material mixing device which comprises a support and a swing frame, the swing frame is movably arranged on the support, a mixing tank and a stirring assembly are rotationally connected to the swing frame, and the mixing tank and the stirring assembly are opposite in rotating direction; a first rack and a second rack are arranged on the support, the stirring assembly is connected with the first rack through a forward swing intermittent mechanism, and the mixing tank is connected with the second rack through a reverse swing intermittent mechanism. The material mixing device has the beneficial effects that the material mixing tank and the stirring assembly rotate reversely, the stirring assembly stirs materials in the material mixing tank, and the forward swing intermittent mechanism and the reverse swing intermittent mechanism drive the swing frame to swing on the support while the material mixing tank and the stirring assembly rotate, so that the material mixing tank swings while rotating; therefore, the materials in the mixing tank are mixed more uniformly, and the mixing quality is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of the preparation of aluminum matrix composites reinforced with silicon carbide, in particular to a mixing device for aluminum matrix composites reinforced with silicon carbide. Background Art

[0002] Aluminum matrix composites reinforced with silicon carbide particles (SiCp / Al) have shown broad application prospects in the fields of aerospace, automobiles, advanced weapons, electronic packaging, etc. due to their excellent comprehensive properties such as low density, high specific stiffness, high wear resistance, low thermal expansion coefficient, high thermal conductivity, and good corrosion resistance. The macroscopic mechanical properties of the composite material depend on the microstructure and micro-deformation characteristics of the material. As the medium between the reinforcement and the matrix of the composite material, the interface can effectively transfer the load from the matrix to the reinforcement. At the same time, its bonding strength is also the link connecting the microscopic characteristics and macroscopic properties of the composite material interface. During the preparation process of aluminum matrix composites reinforced with silicon carbide particles, it is necessary to mix silicon carbide particles and aluminum powder.

[0003] The patent with the publication number of CN220990496U discloses a grading mixing device for silicon carbide particles, including: a housing for accommodating materials; a feed inlet for feeding is fixedly connected to the top end of the housing, and a discharge outlet for discharging is fixedly connected to the conical opening at the bottom end of the housing; a mixing assembly for mixing is arranged in the housing; a motor is arranged on one side of the feed inlet, and the output end of the motor is fixedly connected to the mixing assembly through a joint. The above mixing device mixes materials by combining a spiral blade, a common blade, and a trapezoidal stirring plate by changing the structure of the mixing assembly; however, during actual use, the mixing assembly cannot reach the bottom of the housing, and the materials gathered at the bottom of the housing cannot be evenly mixed, affecting the mixing quality. Summary of the Utility Model

[0004] The utility model provides a mixing device for aluminum matrix composites reinforced with silicon carbide, which solves the problem that the materials gathered at the bottom of the mixing tank in the prior art cannot be evenly mixed.

[0005] The technical solution of the utility model is realized as follows:

[0006] A mixing device for a silicon carbide aluminum matrix composite material, comprising a support and a swing frame. The swing frame is movably arranged on the support. A mixing tank and a stirring assembly are rotatably connected to the swing frame, and the mixing tank and the stirring assembly rotate in opposite directions. The support is provided with a first rack and a second rack. The stirring assembly is connected to the first rack through a forward swing intermittent mechanism, and the mixing tank is connected to the second rack through a reverse swing intermittent mechanism. The mixing tank and the stirring assembly rotate in opposite directions. The stirring assembly stirs the materials in the mixing tank. While the mixing tank and the stirring assembly are rotating, the forward swing intermittent mechanism and the reverse swing intermittent mechanism drive the swing frame to swing on the support, so that the mixing tank swings while rotating, thereby making the materials in the mixing tank mix more evenly and ensuring the mixing quality.

[0007] Both the first rack and the second rack are arc-shaped racks, and the arc center of the arc-shaped rack coincides with the swing center of the swing frame. During the swinging process of the swing frame, the forward swing intermittent mechanism or the reverse swing intermittent mechanism is respectively connected to the arc-shaped rack to avoid interference.

[0008] The forward swing intermittent mechanism includes an intermittent gear and a first transmission gear. A first notch is provided on the vertical plate. The first transmission gear is rotatably arranged in the first notch. The intermittent gear is arranged on the stirring shaft of the stirring assembly. The intermittent gear meshes with the first transmission gear, and the first transmission gear meshes with the first rack. The rotation of the stirring shaft can drive the intermittent gear to rotate. The intermittent gear is connected to the first rack through the first transmission gear, thereby driving the swing frame to swing forward.

[0009] The reverse swing intermittent mechanism includes an intermittent tooth ring and a second transmission gear. The intermittent tooth ring is arranged on the mixing tank. A second notch is provided on the vertical plate. The second transmission gear is rotatably arranged in the second notch. The intermittent tooth ring meshes with the second transmission gear, and the second transmission gear meshes with the second rack. The rotation of the mixing tank can drive the intermittent tooth ring to rotate. The intermittent tooth ring is connected to the second rack through the second transmission gear, thereby driving the swing frame to swing backward.

[0010] The tooth part on the intermittent gear and the tooth part on the intermittent tooth ring are arranged in a staggered manner. When the teeth on the intermittent gear mesh with the first transmission gear, the teeth on the intermittent tooth ring are staggered from the second transmission gear; when the teeth on the intermittent gear are staggered from the first transmission gear, the teeth on the intermittent tooth ring mesh with the second transmission gear. The intermittent gear and the intermittent tooth ring mesh alternately to realize the reciprocating swing of the swing frame.

[0011] The support is of a U-shaped structure. The first rack and the second rack are both arranged on the side walls of the U-shaped structure. A swing shaft is provided at the upper part of the U-shaped structure. A swing hole is provided on the swing frame. The swing shaft is connected to the swing hole. When the mixing device is in use, the swing frame swings around the swing shaft.

[0012] The swing frame includes two vertically arranged plates arranged in parallel. An upper cross plate and a lower cross plate are provided between the two vertically arranged plates. The stirring assembly is arranged on the upper cross plate. The mixing tank is rotatably connected to the lower cross plate. The swing holes are arranged at the upper part of the vertically arranged plates. The upper cross plate provides support for the stirring assembly, and the lower cross plate provides support for the mixing tank.

[0013] The stirring assembly includes a stirring motor arranged on the upper cross plate. The stirring motor is connected to a stirring shaft, and the stirring shaft extends into the mixing tank. Stirring blades are arranged on the stirring shaft. The stirring motor drives the stirring shaft to rotate, thereby driving the stirring blades to stir and mix the materials in the mixing tank.

[0014] A mixing motor is arranged on the vertically arranged plate. The output end of the mixing motor is connected with a third driving gear. A driving gear ring is arranged on the mixing tank. The third driving gear meshes with the driving gear ring. The mixing motor drives the driving gear ring to rotate through the third driving gear, thereby enabling the mixing tank to rotate on the lower cross plate.

[0015] The width of the upper cross plate is smaller than the diameter of the mixing tank. The intermittent gear is provided with a hollow notch. This makes it impossible for the upper cross plate to cover the top of the mixing tank, and at the same time, the hollow notch facilitates feeding materials into the mixing tank.

[0016] The beneficial effects produced by the present utility model are as follows:

[0017] When the mixing equipment is in use, the mixing tank and the stirring assembly rotate in opposite directions, and the relative rotation speed between the mixing tank and the stirring assembly is increased by using the relative rotation, that is, the mixing tank and the stirring assembly can rotate at a low speed to achieve a high relative rotation speed of the mixing tank relative to the stirring assembly, making the material mixing more uniform, and effectively improving the safety of equipment application; the swing frame is driven to swing back and forth relative to the bracket through the forward swing intermittent mechanism and the reverse swing intermittent mechanism. While the mixing tank and the stirring assembly are rotating, the swing frame drives the mixing tank to swing back and forth, making the materials in the mixing tank mix more uniformly and ensuring the mixing quality. Description of the Drawings

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0019] Figure 1 It is a schematic structural diagram of a mixing equipment for a silicon carbide aluminum matrix composite material of the present utility model;

[0020] Figure 2 It is a schematic structural diagram of the bracket;

[0021] Figure 3 It is a schematic structural diagram of the swing frame;

[0022] Figure 4 It is a schematic structural diagram of a mixing tank;

[0023] Figure 5 It is a schematic structural diagram of an intermittent gear.

[0024] In the figure: 1. Bracket, 2. Swing frame, 3. Mixing tank, 4. Intermittent gear, 5. Stirring motor, 11. Swing shaft, 12. First rack, 13. Second rack, 21. Vertical plate, 22. Upper cross plate, 23. Lower cross plate, 211. Swing hole, 212. First notch, 213. Second notch, 231. Mounting hole, 31. Support step, 32. Intermittent tooth ring, 33. Driving tooth ring, 41. Hollow notch. Specific embodiments

[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. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0026] Embodiment 1, as Figure 1 shown, a mixing device for a silicon carbide aluminum matrix composite material includes a bracket 1 and a swing frame 2. The swing frame 2 is movably arranged on the bracket 1. A mixing tank 3 and a stirring assembly are rotatably connected to the swing frame 2, and the mixing tank 3 and the stirring assembly rotate in opposite directions; a first rack 12 and a second rack 13 are provided on the bracket 1. The stirring assembly is connected to the first rack 12 through a forward swing intermittent mechanism, and the mixing tank 3 is connected to the second rack 13 through a reverse swing intermittent mechanism. The mixing tank 3 and the stirring assembly rotate in opposite directions on the swing frame 2, and the relative rotation speed of the mixing tank 3 and the stirring assembly is increased by the reverse rotation, so that the materials in the mixing tank 3 can be mixed more evenly, and the rotation speed is effectively reduced, improving the safety of equipment use; in addition, when the mixing tank 3 and the stirring assembly rotate, the swing frame is driven to swing back and forth on the bracket through the forward swing intermittent mechanism and the reverse swing intermittent mechanism, that is, the mixing tank 3 swings back and forth while rotating, so that the materials at the bottom of the mixing tank 3 can be tumbled, further making the mixing more uniform and improving the mixing quality.

[0027] Furthermore, as Figure 2 shown, both the first rack 12 and the second rack 13 are arc-shaped racks, and the arc center of the arc-shaped rack coincides with the swing center of the swing frame 2. During the swinging process of the swing frame 2, the forward swing intermittent mechanism or the reverse swing intermittent mechanism is respectively connected to the arc-shaped rack to avoid interference.

[0028] Furthermore, as Figure 2, Figure 3 , Figure 4 As shown in Figure 4 , the forward swing intermittent mechanism includes an intermittent gear 4 and a first transmission gear. A first notch 212 is provided on the vertical plate 21. The first transmission gear is rotatably arranged in the first notch 212. The intermittent gear 4 is arranged on the stirring shaft of the stirring assembly. The intermittent gear 4 meshes with the first transmission gear, and the first transmission gear meshes with the first rack 12. The rotation of the stirring shaft can drive the intermittent gear 4 to rotate. The intermittent gear 4 is connected to the first rack 12 through the first transmission gear, thereby driving the swing frame 2 to swing forward.

[0029] Furthermore, the reverse swing intermittent mechanism includes an intermittent gear ring 32 and a second transmission gear. The intermittent gear ring 32 is arranged on the mixing tank 3. A second notch 213 is provided on the vertical plate 21. The second transmission gear is rotatably arranged in the second notch 213. The intermittent gear ring 32 meshes with the second transmission gear, and the second transmission gear meshes with the second rack 13. The rotation of the mixing tank 3 can drive the intermittent gear ring 32 to rotate. The intermittent gear ring 32 is connected to the second rack 13 through the second transmission gear, thereby driving the swing frame 2 to swing backward.

[0030] Furthermore, the tooth part on the intermittent gear 4 and the tooth part on the intermittent gear ring 32 are arranged in a staggered manner. When the teeth on the intermittent gear 4 mesh with the first transmission gear, the teeth on the intermittent gear ring 32 are staggered from the second transmission gear; when the teeth on the intermittent gear 4 are staggered from the first transmission gear, the teeth on the intermittent gear ring 32 mesh with the second transmission gear. The intermittent gear 4 and the intermittent gear ring 32 mesh alternately to realize the reciprocating swing of the swing frame.

[0031] Embodiment 2, based on Embodiment 1, a mixing device for a silicon carbide aluminum matrix composite material, as Figure 2 shown, the bracket 1 is of a U-shaped structure. The first rack 12 and the second rack 13 are both arranged on the side walls of the U-shaped structure. A swing shaft 11 is provided at the upper part of the U-shaped structure. A swing hole 211 is provided on the swing frame 2. The swing shaft 11 is connected to the swing hole 211. When the mixing device is in use, the swing frame 2 swings around the swing shaft 11.

[0032] Furthermore, as Figure 3As shown, the swing frame 2 includes two vertically arranged plates 21 arranged in parallel. An upper cross plate 22 and a lower cross plate 23 are provided between the two vertically arranged plates 21. The stirring assembly is arranged on the upper cross plate 22. The mixing tank 3 is rotatably connected to the lower cross plate 23. The swing hole 211 is arranged at the upper part of the vertically arranged plate 21. The first notch 212 is located above the second notch 213, and the first notch 212 is located between the upper cross plate 22 and the lower cross plate 23. The upper cross plate 22 provides support for the stirring assembly, and the lower cross plate 23 provides support for the mixing tank 3. An installation hole 231 is provided on the lower cross plate 23. A support step 31 is provided on the mixing tank 3. The mixing tank 3 is inserted into the installation hole 231, and an end face bearing is provided between the lower cross plate 23 and the support step 31, enabling the mixing tank 3 to rotate within the installation hole 231.

[0033] Furthermore, the stirring assembly includes a stirring motor 5 arranged on the upper cross plate 22. The stirring motor 5 is connected to a stirring shaft, and the stirring shaft extends into the mixing tank 3. Stirring blades are provided on the stirring shaft. The stirring motor 5 drives the stirring shaft to rotate, thereby driving the stirring blades to stir and mix the materials in the mixing tank.

[0034] Furthermore, a mixing motor is provided on the vertically arranged plate 21. The output end of the mixing motor is connected with a third transmission gear. A transmission tooth ring 33 is provided on the mixing tank 3. The third transmission gear meshes with the transmission tooth ring 33. The mixing motor drives the transmission tooth ring 33 to rotate through the third transmission gear, thereby enabling the mixing tank 3 to rotate on the lower cross plate 23.

[0035] Furthermore, the width of the upper cross plate 22 is smaller than the diameter of the mixing tank 3. As Figure 5 shown, a hollow notch 41 is provided on the intermittent gear 4. The upper cross plate 22 does not completely cover the top opening of the mixing tank 3. At the same time, the hollow notch 41 is provided on the intermittent gear 3, facilitating feeding into the mixing tank 3 through the upper cross plate 22 and the hollow notch 41 and facilitating the use of the mixing equipment. In addition, a discharge port is provided at the bottom of the mixing tank 3. A baffle is movably arranged at the position of the discharge port. The baffle controls the opening and closing of the discharge port. During the mixing process, the baffle seals the discharge port to prevent material leakage. After mixing is completed, the baffle is opened to facilitate the discharge of the mixed materials.

[0036] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims

1. A mixing device for silicon carbide aluminum-based composite materials, characterized in that: The invention comprises a support (1) and a swing frame (2), wherein the swing frame (2) is movably arranged on the support (1), and a mixing tank (3) and a stirring assembly are rotatably connected to the swing frame (2), wherein the mixing tank (3) and the stirring assembly rotate in opposite directions; a first rack (12) and a second rack (13) are arranged on the support (1), the stirring assembly is connected to the first rack (12) via a forward swing intermittent mechanism, and the mixing tank (3) is connected to the second rack (13) via a reverse swing intermittent mechanism.

2. The mixing equipment of silicon carbide aluminum-based composite material according to claim 1, characterized in that: The first rack (12) and the second rack (13) are both arc-shaped racks, and the arc center of the arc-shaped rack coincides with the swing center of the swing frame (2).

3. The mixing equipment of silicon carbide aluminum-based composite material according to claim 2, characterized in that: The forward swing intermittent mechanism comprises an intermittent gear (4) and a first transmission gear, a first notch (212) is provided on the vertical plate (21), the first transmission gear is rotatably arranged in the first notch (212), the intermittent gear (4) is arranged on the stirring shaft of the stirring assembly, the intermittent gear (4) is meshed with the first transmission gear, and the first transmission gear is meshed with the first rack (12).

4. The mixing equipment of the silicon carbide aluminum-based composite material according to claim 3, characterized in that: The reverse swing intermittent mechanism comprises an intermittent gear ring (32) and a second transmission gear; the intermittent gear ring (32) is arranged on the mixing tank (3); a second notch (213) is arranged on the vertical plate (21); the second transmission gear is rotatably arranged in the second notch (213); the intermittent gear ring (32) is meshed with the second transmission gear; and the second transmission gear is meshed with the second rack (13).

5. The mixing equipment of silicon carbide aluminum-based composite material according to claim 4, characterized in that: The gear teeth portion on the intermittent gear (4) and the gear teeth portion on the intermittent gear ring (32) are arranged in a staggered manner.

6. The mixing equipment of the silicon carbide aluminum-based composite material according to any one of claims 1 to 5, characterized in that: The bracket (1) is a U-shaped structure, the first rack (12) and the second rack (13) are both arranged on the side wall of the U-shaped structure, a swing shaft (11) is arranged on the upper part of the U-shaped structure, a swing hole (211) is arranged on the swing frame (2), and the swing shaft (11) is connected to the swing hole (211).

7. The mixing equipment of silicon carbide aluminum-based composite material according to claim 6, characterized in that: The swing frame (2) comprises two parallel vertical plates (21), an upper horizontal plate (22) and a lower horizontal plate (23) are provided between the two vertical plates (21), a stirring assembly is provided on the upper horizontal plate (22), a mixing tank (3) is rotatably connected to the lower horizontal plate (23), and a swing hole (211) is provided on the upper part of the vertical plate (21).

8. The mixing equipment of the silicon carbide aluminum-based composite material according to claim 7, characterized in that: The stirring assembly comprises a stirring motor (5) arranged on the upper horizontal plate (22), the stirring motor (5) being connected to a stirring shaft, and the stirring shaft extending into the mixing tank (3).

9. The mixing equipment of silicon carbide aluminum-based composite material according to claim 8, characterized in that: A mixing motor is provided on the vertical plate (21), the output end of the mixing motor is connected to a third transmission gear, a transmission gear ring (33) is provided on the mixing tank (3), and the third transmission gear is meshed with the transmission gear ring (33).

10. The mixing equipment of silicon carbide aluminum-based composite material according to claim 9, characterized in that: The width of the upper horizontal plate (22) is smaller than the diameter of the mixing tank (3), and a hollow notch (41) is provided on the intermittent gear (4).

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