A rotating mixing device

Abstract

The utility model belongs to the technical field of metal smelting, and specifically relates to a rotary mixing device, comprising a translation mechanism and a rotary drive mechanism, wherein the rotary drive mechanism is driven and connected with a positioning piece for limiting a crucible and a pressure cover with controllable height, the positioning piece is located below the pressure cover, the pressure cover is used to cover the crucible mouth and cooperate with the positioning piece to fix the crucible, the translation mechanism drives the rotary drive mechanism to move laterally, so that the positioning piece can approach or move away from the crucible, the positioning piece limits the crucible, and the relative positions of the pressure cover and the positioning piece in the horizontal direction are fixed, at which time the pressure cover is just above the crucible, the pressure cover descends to cover the crucible, the crucible is sealed, and a three-point clamping stable structure for the crucible is formed, and then the translation mechanism drives the crucible to move a certain distance, so that the crucible rotates under the action of the rotary drive mechanism, and the precious metal ore powder is fully mixed with the additive, so that the powder can be prevented from spilling and generating dust, and the rotary mode makes it easier to mix evenly.

Description

Technical Field

[0001] The utility model belongs to the technical field of metal smelting, and in particular relates to a rotary mixing device. Background Art

[0002] In the process of precious metal smelting, it is necessary to mix the precious metal ore powder with the corresponding additives, and then divide it into a crucible container and place it in a heating furnace, melt the powder into liquid, pour it into a mold and let it stand, and the dense precious metal will settle at the bottom of the mold. After cooling, demolding, and then separate the precious metal for further purification. However, the existing technology has a large mixing volume (up to hundreds of kilograms) at a time, and it is difficult to mix the precious metal ore powder and the additives evenly by stirring or vibrating. The poor tightness of the container will also cause the powder to leak and dust to be easily generated. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a rotary mixing device which can directly rotate and mix a small amount of materials in a crucible, making it easier to mix evenly.

[0004] The utility model provides a rotary mixing device, comprising:

[0005] a translation mechanism; and

[0006] The rotary drive mechanism is controlled by the translation mechanism, and the rotary drive mechanism is connected to a positioning member for limiting the crucible and a height-controllable pressure cover, wherein the positioning member is located below the pressure cover, and the pressure cover is used to cover the crucible opening and cooperate with the positioning member to fix the crucible.

[0007] Optionally, the positioning piece is provided with a slot for supporting the outer wall of the crucible.

[0008] Optionally, the positioning member is provided with 1-4 slots distributed side by side, and the corresponding mounting plate is provided with 1-4 pressure covers.

[0009] Optionally, the profile of the slot is a symmetrical curved surface or a symmetrical bent surface.

[0010] Optionally, the execution end of the rotary drive mechanism is connected to a mounting plate, a linear reciprocating driver for controlling the gland height is fixedly connected to the mounting plate, and the positioning member is fixedly connected to the mounting plate.

[0011] Optionally, the linear reciprocating drive is a pneumatic cylinder or an electric cylinder.

[0012] Optionally, the rotary drive mechanism includes a mounting seat, a hollow rotating platform fixedly connected to the mounting seat, and a motor, and the motor drives the hollow rotating platform and drives the positioning member and the pressure cover to rotate synchronously.

[0013] Optionally, a slip ring is fixedly connected to the mounting seat, a through hole is formed in the mounting seat, the through hole and the slip ring are aligned with the rotation center of the hollow rotating platform, and one end of the slip ring is fixedly connected to the positioning member.

[0014] Optionally, a lifting mechanism is connected between the translation mechanism and the rotation drive mechanism to control the height of the rotation drive mechanism.

[0015] Optionally, the rotary mixing device also includes a second linear reciprocating drive, a slide rail pair and a position sensor, the translation mechanism is located at the top of the slide rail pair and is fixedly connected to the slider of the slide rail pair, the execution end of the second linear reciprocating drive is fixedly connected to the translation mechanism, and the sensing end of the position sensor faces the translation mechanism.

[0016] Optionally, the rotary mixing device further comprises a flexible cup body and a flexible cup cover used in conjunction with the pressure cover, wherein the flexible cup body is placed in the crucible, the powder is placed in the flexible cup body, and the flexible cup cover covers the flexible cup body.

[0017] The beneficial effect of the utility model is that the translation mechanism drives the rotary drive mechanism to move horizontally, so that the positioning member can approach or move away from the crucible. When the positioning member limits the crucible, the relative position of the pressure cover and the positioning member in the horizontal direction is fixed. At this time, the pressure cover is just above the crucible. The pressure cover descends to cover the crucible, seals the crucible, and forms a three-point clamping stable structure for the crucible. Then the translation mechanism drives the crucible to move a certain distance, so that the crucible can rotate 360° under the action of the rotary drive mechanism to fully mix the precious metal ore powder and the auxiliary agent. In this way, the powder can be prevented from spilling and generating dust, and the rotation method is easier to mix evenly. In addition, each crucible is mixed separately, so that each crucible can add more precise weights of precious metal ore powder and auxiliary agents successively, so that the ratio of precious metal ore powder to auxiliary agents in each crucible is more consistent, ensuring the purification quality of the precious metals. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic diagram of the three-dimensional structure of the rotary mixing device provided by the utility model;

[0019] Figure 2 for Figure 1 Enlarged view of area A in the middle;

[0020] Figure 3 A diagram showing the use status of the rotary mixing device provided by the utility model;

[0021] Figure 4 This is a schematic structural diagram of the flexible cup body and the flexible cup cover provided by the utility model.

[0022] In the figure: 10, translation mechanism; 20, rotation drive mechanism; 21, mounting seat; 22, motor; 23, hollow rotating platform; 24, slip ring; 31, positioning member; 311, slot; 32, pressure cover; 33, mounting plate; 34, linear reciprocating drive 1; 40, lifter; 51, linear reciprocating drive 2; 52, slide rail pair; 53, position sensor; 60, flexible cup body; 62, flexible cup cover; 70, support platform; 80, crucible. DETAILED DESCRIPTION

[0023] like Figure 1-4 As shown, the utility model provides a rotary mixing device, comprising: a translation mechanism 10 and a rotary drive mechanism 20 controlled by the translation mechanism 10, the rotary drive mechanism 20 drivingly connected to a positioning member 31 for limiting a crucible 80 and a height-controllable pressure cover 32, the positioning member 31 is located below the pressure cover 32, the pressure cover 32 is used to cover the crucible opening and cooperate with the positioning member 31 to fix the crucible 80.

[0024] Compared with the prior art, the rotary mixing device provided by the utility model drives the rotary drive mechanism 20 to move horizontally through the translation mechanism 10, so that the positioning member 31 can be close to or away from the crucible 80. When the positioning member 31 limits the crucible 80, the relative positions of the pressure cover 32 and the positioning member 31 in the horizontal direction are fixed. At this time, the pressure cover 32 is just above the crucible 80. The pressure cover 32 descends to cover the crucible 80, seals the crucible 80, and forms a three-point clamping stable structure for the crucible 80. Then the translation mechanism 10 drives the crucible 80 to move a certain distance, so that the crucible 80 can rotate 360° under the action of the rotary drive mechanism 20, and the precious metal ore powder and the additive are fully mixed. In this way, the mixing is carried out in a rotating manner, and the mixing amount in the crucible at a time is as little as a few hundred grams, which is easier to mix evenly and can avoid powder leakage and dust generation. In addition, each crucible 80 is mixed separately, so that each crucible 80 can add more precise weights of precious metal ore powder and additives in turn, thereby making the ratio of precious metal ore powder to additives in each crucible 80 more consistent, ensuring the purification quality of the precious metals.

[0025] It should be noted that the crucibles 80 are sequentially delivered to the rotary mixer via a chain conveyor, or a placement platform is provided on one side of the rotary mixer, on which a crucible containing precious metal ore powder and additives is placed at a designated position.

[0026] In one embodiment, see Figure 2The positioning member 31 is provided with a slot 311 for supporting the outer wall of the crucible 80 . Specifically, the outer wall contour of the crucible is a conical cylinder. Driven by the rotary drive mechanism 20, the slot 311 can be semi-enclosed and fitted to the crucible 80. The positioning member 31 supports the waist of the crucible 80, and then the pressure cover 32 moves downward to cover the crucible 80 with a certain pressure, thereby stably fixing the crucible 80. The translation mechanism 10 and the rotary drive mechanism 20 act successively, the mixing in the crucible 80 is completed, and then the crucible 80 is put back to its original position, and then the pressure cover 32 and the positioning member 31 are reset in turn. The positioning member 31 designed in this way has a simple structure and will not loosen the clamping center due to long-term use like the conventional positioning member 31, making it difficult for the pressure cover 32 to align with the crucible 80; it should be noted that the pressure cover 32 is disc-shaped and made of rubber or plastic, or a composite structure in which a rubber or plastic layer is pasted on one side of a metal circular plate, so as to ensure the sealing with the crucible 80 and prevent the powder from leaking out.

[0027] In some embodiments, the positioning member 31 may be a pneumatic clamp, which can loosen or clamp the crucible 80 by opening and closing its two jaws, and can fix the crucible 80 in cooperation with a height-controllable pressure cover 32; in other embodiments, the positioning member 31 may be an electric clamp that clamps the crucible 80, which can loosen or clamp the crucible 80 by opening and closing its two jaws, and can fix the crucible 80 in cooperation with a height-controllable pressure cover 32.

[0028] In one embodiment, see also Figure 2 The positioning member 31 is provided with 1-4 slots 311 distributed side by side, and the number of the corresponding pressure covers 32 is the same as the number of the slots 311. Preferably, the positioning member 31 is provided with 2 slots 311 or 3 slots 311 distributed side by side, which can clamp and fix multiple crucibles 80 at a time and rotate and mix materials at the same time, greatly improving the production efficiency; of course, in some embodiments, the positioning member 31 has more than 4 slots 311.

[0029] In one embodiment, see also Figure 2 The profile of the slot 311 is a symmetrical arc surface or a symmetrical bending surface; preferably, the symmetrical arc surface is a semicircular arc surface, which can more fully contact the outer wall of the crucible 80 and improve stability; preferably, the symmetrical bending surface is a structure composed of 5 planes, which can contact the outer wall of the crucible 80 at multiple points, and can ensure that there are at least 4 points of contact for crucibles 80 of different specifications, thereby ensuring the stability of the crucible 80.

[0030] In one embodiment, see Figure 1 and Figure 2The execution end of the rotary drive mechanism 20 is connected with a mounting plate 33, on which a linear reciprocating driver 1 34 for controlling the height of the gland 32 is fixedly connected, and the positioning member 31 is fixedly connected to the mounting plate 33. Specifically, the mounting plate 311 is fixedly connected to the execution end of the rotary drive mechanism 20, and the mounting plate 311 is composed of a right-angle plate and reinforcing plates welded on both sides of the right-angle plate. The positioning member 31 is vertically welded or fixed to the mounting plate 311 by screws, and the corresponding linear reciprocating driver 1 34 is fixed to the mounting plate 311 and is located above the positioning member 31. The linear reciprocating driver 33 is fixedly installed on the upper part of the mounting plate 311 by screws, and the execution end is downward and fixedly connected to the gland 32, so that the gland 32 can be controlled to rise or fall a certain distance. In this way, the rotary drive mechanism 20 drives the mounting plate 33 to rotate, which can drive the positioning member 31 and the gland 32 to rotate synchronously.

[0031] In this embodiment, the linear reciprocating drive 33 is preferably a cylinder that can perform actions at a faster speed and at a lower cost, or it can be an electric cylinder that can perform actions with higher precision.

[0032] In one embodiment, see also Figure 2 The rotation drive mechanism 20 includes a mounting seat 21, a hollow rotating platform 23 fixedly connected to the mounting seat 21, and a motor 22. The motor 22 drives the hollow rotating platform 23 and drives the positioning member 31 and the pressure cover 32 to rotate synchronously. Specifically, the motor 22 is a servo motor and a stepper motor. The motor 22 is fixedly mounted on the top of the mounting seat 21 by screws. The motor 22 is drivingly connected to the hollow rotating platform 23. The hollow rotating platform 23 is fixedly connected to the positioning member 31. When the motor 22 is started, the positioning member 31 is driven to rotate through the hollow rotating platform 23. It should be noted that there are motors 22 and hollow rotating platforms 23 in the market that can be selected according to needs.

[0033] In one embodiment, a slip ring 24 is fixedly connected to the mounting seat 21, and a through hole is provided on the mounting seat 21. The through hole and the slip ring 24 are aligned with the rotation center of the hollow rotating platform 23, and one end of the slip ring 24 is fixedly connected to the positioning member 31. Specifically, the mounting seat 21 is fixed on the top of the execution end of the translation mechanism 10, and the mounting seat 21 is composed of a right-angle plate and two side reinforcing plates welded together, and a through hole is provided in the upright part of the right-angle plate. One end of the slip ring 24 is fixed on the mounting seat, and the other end passes through the through hole and the hollow rotating platform 23 and is fixedly connected to the mounting plate 311. The slip ring 24 is an electrical component responsible for connecting the rotating body and transmitting energy and signals. Then, when the motor 22 drives the positioning member 31 to rotate, the slip ring 24 rotates synchronously, providing a reliable energy and signal transmission solution for the rotary drive mechanism 20, thereby improving the reliability and working efficiency of the rotary drive mechanism 20.

[0034] In one embodiment, a lifting mechanism 40 is connected between the translation mechanism 10 and the rotation drive mechanism 20, which is used to control the height of the rotation drive mechanism 20, and then control the height of the positioning member 31, the pressure cover 32 and the crucible 80, so that the positioning member 31 can be more easily adapted to the crucibles 80 of different heights and specifications. Specifically, the translation mechanism 10 is a magnetic coupling rodless cylinder or an electric slide, and the lifting mechanism 40 is a three-axis cylinder, oil cylinder or electric cylinder. The translation mechanism 10 controls the lifting mechanism 40 to move horizontally, so that the positioning member 31 is close to or away from the crucible 80, and the lifting mechanism 40 controls the positioning member 31 to rise or fall, and the positioning member 31 lifts or puts down the crucible 80, so that the crucible 80 does not rub against the chain plate or the placement platform of the chain conveyor.

[0035] In one embodiment, the rotary mixing device further includes a second linear reciprocating driver 51, a slide rail pair 52, and a position sensor 53. The translation mechanism 10 is located at the top of the slide rail pair 52 and is fixedly connected to the slider of the slide rail pair 52. The execution end of the second linear reciprocating driver 51 is fixedly connected to the translation mechanism 10, and the sensing end of the position sensor 53 faces the translation mechanism 10. Specifically, the second linear reciprocating driver 51, the slide rail pair 52, and the position sensor 53 are all installed on the support platform 70, wherein the second linear reciprocating driver 51 is a cylinder or an electric cylinder, and its execution end and the bottom of the translation mechanism 10 can control the left and right position of the translation mechanism 10 relative to the crucible 80, and the adjustment position cannot be determined by the position sensor 53, so that the positioning member 31 clamps the crucible 80 more accurately.

[0036] In one embodiment, see Figure 3 and Figure 4 The rotating mixing device also includes a flexible cup body 61 and a flexible cup cover 62 used in conjunction with the pressure cover 32 . The flexible cup body 61 is placed in the crucible 80 , the powder is placed in the flexible cup body 61 , and the flexible cup cover 62 covers the flexible cup body 61 . Specifically, the flexible cup body 61 and the flexible cup cover 62 are made of paper material or plastic. The shape of the flexible cup body 61 is similar to that of a disposable water cup. The flexible cup cover 62 can be fitted onto the inner side of the flexible cup body 61. When in use, the flexible cup body 61 is first placed into the crucible 80, and then the precious metal ore powder and additives are poured into the flexible cup body 61. The flexible cup cover 62 is then covered. The crucible 80 is clamped by the positioning member 31 and the action. After rotating and mixing, the crucible 80 is heated and melted. The flexible cup cover 62 and the flexible cup body 61 can be burned, thereby solving the problem of the powder adhering to the pressure cover 32. In addition, the flexible cup cover 62 and the flexible cup body 61 fit more closely, further ensuring that the powder will not leak out. The pressure cover 32 can be made entirely of steel, which is more durable than a pressure cover 32 made of rubber or plastic or a composite structure with a rubber or plastic layer attached to one side of a metal round plate.

[0037] A person skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of protection of the present application is limited to these examples. In line with the concept of the present application, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of different aspects of one or more embodiments of the present application as described above, which are not provided in detail for the sake of simplicity.

[0038] One or more embodiments of the present application are intended to cover all such substitutions, modifications and variations that fall within the broad scope of the present application. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of one or more embodiments of the present application should be included in the protection scope of the present application.

Claims

1. A rotary mixing device, characterized in that: include: Translation mechanism (10); as well as A rotary drive mechanism (20) controlled by a translation mechanism (10), the rotary drive mechanism (20) drivingly connected to a positioning member (31) for limiting a crucible (80) and a height-controllable pressure cover (32), the positioning member (31) being located below the pressure cover (32), the pressure cover (32) being used to cover the crucible opening and to cooperate with the positioning member (31) to fix the crucible (80).

2. The rotary mixing device according to claim 1, characterized in that: The positioning member (31) is provided with a slot (311) for supporting the outer wall of the crucible (80).

3. The rotary mixing device according to claim 2, characterized in that: The profile of the clamping slot (311) is a symmetrical arc surface.

4. The rotary mixing device according to claim 1, characterized in that: The execution end of the rotary drive mechanism (20) is connected to a mounting plate (33), a linear reciprocating driver (34) for controlling the height of the gland (32) is fixedly connected to the mounting plate (33), and the positioning member (31) is fixedly connected to the mounting plate (33).

5. The rotary mixing device according to claim 4, characterized in that: The linear reciprocating drive 1 (34) is a pneumatic cylinder or an electric cylinder.

6. The rotary mixing device according to claim 1, characterized in that: The rotary drive mechanism (20) comprises a mounting seat (21), a hollow rotary platform (23) fixedly connected to the mounting seat (21), and a motor (22); the motor (22) drives the hollow rotary platform (23) and drives the positioning member (31) and the pressure cover (32) to rotate synchronously.

7. The rotary mixing device according to claim 6, characterized in that: A slip ring (24) is fixedly connected to the mounting seat (21), a through hole is formed in the mounting seat (21), the through hole and the slip ring (24) are aligned with the rotation center of the hollow rotating platform (23), and one end of the slip ring (24) is fixedly connected to the positioning member (31).

8. The rotary mixing device according to claim 1, characterized in that: A lifting mechanism (40) is connected between the translation mechanism (10) and the rotation drive mechanism (20) and is used to control the height of the rotation drive mechanism (20).

9. The rotary mixing device according to claim 1, characterized in that: It also includes a second linear reciprocating driver (51), a slide rail pair (52) and a position sensor (53), wherein the translation mechanism (10) is located at the top of the slide rail pair (52) and is fixedly connected to a slider of the slide rail pair (52), an actuating end of the second linear reciprocating driver (51) is fixedly connected to the translation mechanism (10), and a sensing end of the position sensor (53) faces the translation mechanism (10).

10. The rotary mixing device according to any one of claims 1 to 9, characterized in that: It also includes a flexible cup body (61) and a flexible cup cover (62) used in conjunction with the pressure cover (32), wherein the flexible cup body (61) is placed in the crucible (80), the powder is placed in the flexible cup body (61), and the flexible cup cover (62) covers the flexible cup body (61).

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