Efficient mixing double-helix stirring device for powder production

Abstract

The utility model discloses an efficient mixing double-helix stirring device for powder production, which comprises a shell, a first driving motor is fixedly mounted at the top of the shell, the output end of the first driving motor is movably connected to the inner wall of the shell, and the output end of the first driving motor is fixedly connected with a fixing rod. According to the efficient mixing double-helix stirring device for powder production, the first driving motor is controlled to be electrified, so that the scraping plate can rotate along the inner wall of the shell, and powder adsorbed on the inner wall of the shell is scraped off, so that the powder can be fully mixed in the stirring process, and the mixing efficiency is improved. After the scrapers are abraded due to long-time friction with the inner wall of the shell, a second driving motor is controlled to be powered on, the two sliding blocks can move away from each other, then the two scrapers move and are attached to the inner wall of the shell again under linkage of a first connecting rod, a second connecting rod, a first limiting rod and a second limiting rod, and therefore it is ensured that the scrapers can effectively scrape off powder on the inner wall of the shell.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of powder production, especially a double helix stirring device with high efficiency for powder production. BACKGROUND

[0002] The mixing and stirring device in powder production is the core equipment for ensuring material uniformity and product quality, wherein the conical mixing and stirring device is outstanding due to its unique conical structure and high mixing capacity, through the rotation of the internal stirrer, not only the full mixing of the material in three-dimensional space is promoted, but also the circulation flow of the material from the bottom to the top is realized by the guiding action of the conical wall surface, greatly improving the mixing efficiency and uniformity.

[0003] The existing conical mixing and stirring device improves the mixing efficiency by adopting double helix stirring rods, but in the stirring process, part of the powder will be adsorbed on the inner wall of the device, the adsorbed powder cannot fully participate in the mixing process, thereby causing uneven mixing of the powder and easily causing waste of the powder, therefore, the double helix stirring device with high efficiency for powder production is proposed. SUMMARY

[0004] The main purpose of the utility model is to provide a double helix stirring device with high efficiency for powder production, which can effectively solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:

[0006] A double helix stirring device with high efficiency for powder production, comprising a shell, a first driving motor is fixedly installed at the top of the shell, and the output end of the first driving motor is movably connected to the inner wall of the shell, a fixed rod is fixedly connected to the output end of the first driving motor, a threaded rod is rotatably connected to the bottom wall of the fixed rod, two groups of sliding blocks are threadedly connected to the outer surface of the threaded rod, the inner side wall of one group of the two groups of sliding blocks is rotatably connected to two groups of first connecting rods, a first limiting rod is rotatably connected to the front end of each of the two groups of first connecting rods, two groups of first supporting rods are fixedly installed on the outer surface of the fixed rod, and the first limiting rods are movably connected to the inner wall of the first supporting rods, the inner side wall of the other group of the two groups of sliding blocks is rotatably connected to two groups of second connecting rods, a second limiting rod is rotatably connected to the front end of each of the two groups of second connecting rods, two groups of second supporting rods are fixedly installed on the outer surface of the fixed rod, and the second limiting rods are movably connected to the inner wall of the second supporting rods, two groups of scrapers are movably connected to the inner wall of the shell, and the front end of the first limiting rod and the front end of the second limiting rod are fixedly connected to the outer surface of the scrapers.

[0007] Preferably, a second driving motor is fixedly installed on the top wall of the fixed rod, and the output end of the second driving motor is fixedly connected to the front end of the threaded rod.

[0008] Preferably, the first support rod is located above the second support rod, and the length of the first support rod is greater than the length of the second support rod.

[0009] Preferably, the two groups of sliding blocks are slidingly connected to the inner wall of the fixed rod, and the tail ends of the two groups of first connecting rods and the tail ends of the two groups of second connecting rods are movably connected to the inner wall of the fixed rod.

[0010] Preferably, the outer surfaces of the two groups of first support rods are provided with first through grooves, and the front ends of the first connecting rods are movably connected to the inner walls of the first through grooves; the outer surfaces of the two groups of second support rods are provided with second through grooves, and the front ends of the second connecting rods are movably connected to the inner walls of the second through grooves.

[0011] Preferably, the outer surface of the fixed rod is fixedly provided with two groups of connecting shafts, the front ends of the two groups of connecting shafts are fixedly provided with mounting shells, the inner walls of the two groups of mounting shells are fixedly provided with third drive motors, the output ends of one of the two groups of third drive motors are fixedly connected with first screw rods, and the output ends of the other of the two groups of third drive motors are fixedly connected with second screw rods.

[0012] Compared with the prior art, the utility model has the advantages of the following:

[0013] In the utility model, when the scraper is attached to the shell, the first drive motor is controlled to be powered, so that the scraper rotates along the inner wall of the shell, and the powder adsorbed on the inner wall of the shell is scraped off, thereby ensuring that the powder can fully participate in mixing during stirring. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a shell internal structure schematic view of the double-spiral stirring device for efficient mixing of powder production of the utility model;

[0015] Figure 2 It is a whole structure schematic view of the double-spiral stirring device for efficient mixing of powder production of the utility model;

[0016] Figure 3 It is a fixed rod internal structure schematic view of the double-spiral stirring device for efficient mixing of powder production of the utility model;

[0017] Figure 4The first supporting rod and the second supporting rod structure schematic diagram of the double helix stirring device for efficient mixing of powder production of the utility model.

[0018] Figure 5 The installation shell internal structure schematic diagram of the double helix stirring device for efficient mixing of powder production of the utility model.

[0019] In the figure: 1, the shell; 2, first drive motor; 3, connecting shaft; 4, installation shell; 5, first screw rod; 6, second screw rod; 7, scraper; 8, second drive motor; 9, threaded rod; 10, first connecting rod; 11, second connecting rod; 12, sliding block; 13, first through slot; 14, fixed rod; 15, first supporting rod; 16, second supporting rod; 17, first limiting rod; 18, second limiting rod; 19, third drive motor; 20, second through slot. DETAILED DESCRIPTION

[0020] In order to make the technical means, creation features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0021] Embodiment one:

[0022] For example, Figures 1-5As shown, a kind of powder production high-efficiency mixing double helix stirring device, including shell 1, the top of shell 1 is fixedly installed with first drive motor 2, and the output end of first drive motor 2 is movably connected to the inner wall of shell 1, the output end of first drive motor 2 is fixedly connected with fixed rod 14, and first drive motor 2 provides power for the rotation of fixed rod 14, the outer surface of threaded rod 9 is threadedly connected with two groups of sliding blocks 12, the inner wall of two groups of sliding blocks 12 is opposite in screw direction, when threaded rod 9 rotates, two groups of sliding blocks 12 move away or towards each other, the inner side wall of one group of two groups of sliding blocks 12 is rotatably connected with two groups of first connecting rods 10, the front end of two groups of first connecting rods 10 is rotatably connected with first limiting rod 17, and first limiting rod 17 will limit the front end of first connecting rod 10 from moving up and down, the outer surface of fixed rod 14 is fixedly installed with two groups of first support rods 15, and first limiting rod 17 is slidably connected to the inner wall of first support rod 15, the inner side wall of another group of two groups of sliding blocks 12 is rotatably connected with two groups of second connecting rods 11, the front end of two groups of second connecting rods 11 is rotatably connected with second limiting rod 18, and second limiting rod 18 will limit the front end of second connecting rod 11 from moving up and down, the outer surface of fixed rod 14 is fixedly installed with two groups of second support rods 16, and second limiting rod 18 is slidably connected to the inner wall of second support rod 16, the inner wall of shell 1 is movably connected with two groups of scrapers 7, and the front end of first limiting rod 17 and the front end of second limiting rod 18 are both fixedly connected to the outer surface of scraper 7, when sliding block 12 moves, the tail end of first connecting rod 10 will move synchronously, the two ends of first connecting rod 10 are rotatably connected to the inner wall of first limiting rod 17 and the inner wall of sliding block 12 respectively, so that when the tail end of first connecting rod 10 moves, its inclination will change, in turn, its front end drives first limiting rod 17 to slide back and forth in the inner wall of first support rod 15, by analogy, the inclination angle of second connecting rod 11 will also change with the movement of sliding block 12 and its front end, in turn, drives second limiting rod 18 to slide along the inner wall of second support rod 16, in turn, first limiting rod 17 and second limiting rod 18 drive two groups of scrapers 7 to move respectively, so as to adjust the position of scraper 7, so that it can be attached to shell 1;

[0023] The top wall of the fixed rod 14 is fixedly installed with a second driving motor 8, and the output end of the second driving motor 8 is fixedly connected to the front end of a threaded rod 9, and the second driving motor 8 provides power for the rotation of the threaded rod 9; the first support rod 15 is located above the second support rod 16, and the length of the first support rod 15 is greater than the length of the second support rod 16; the two groups of sliding blocks 12 are slidingly connected to the inner wall of the fixed rod 14, and the sliding blocks 12 are limited by the fixed rod 14, so that when the threaded rod 9 rotates, the sliding blocks 12 will not rotate with it, and the tail ends of the two groups of first connecting rods 10 and the tail ends of the two groups of second connecting rods 11 are movably connected to the inner wall of the fixed rod 14; the outer surfaces of the two groups of first support rods 15 are both provided with a first through slot 13, and the front end of the first connecting rod 10 is movably connected to the inner wall of the first through slot 13; the outer surfaces of the two groups of second support rods 16 are both provided with a second through slot 20, and the front end of the second connecting rod 11 is movably connected to the inner wall of the second through slot 20; when the inclination angles of the first connecting rod 10 and the second connecting rod 11 change, the front ends of the two will move along the inner walls of the first through slot 13 and the second through slot 20 respectively; the outer surface of the fixed rod 14 is fixedly installed with two groups of connecting shafts 3, the front ends of the two groups of connecting shafts 3 are both fixedly installed with a mounting shell 4, the setting of the connecting shaft 3 makes the fixed rod 14 rotate, which drives the two groups of mounting shells 4 to rotate, the inner walls of the two groups of mounting shells 4 are both fixedly installed with a third driving motor 19, the output end of one group of the two groups of third driving motors 19 is fixedly connected with a first spiral rod 5, the output end of the other group of the two groups of third driving motors 19 is fixedly connected with a second spiral rod 6, and the third driving motor 19 provides power for the rotation of the first spiral rod 5 and the second spiral rod 6.

[0024] It should be noted that the utility model is a kind of high-efficiency mixing double helix stirring device for powder production, when using, powder is input into shell 1, then start first driving motor 2 and third driving motor 19, make first spiral rod 5 and second spiral rod 6 rotate, and under the cooperation of connecting shaft 3, fixed rod 14 and mounting shell 4, revolve around fixed rod 14, to reach the purpose of stirring powder, effectively improve the efficiency of powder mixing, stirring will drive the first support rod 15 and the second support rod 16 connected therewith to rotate, and then under the connection of first limiting rod 17 and second limiting rod 18, make scraper 7 slide along the inner wall of shell 1, then scrape the adsorbed powder, so that powder can fully participate in mixing process, after mixing, powder is discharged from discharge port, when scraper 7 is worn by long time friction with the inner wall of shell 1, start second driving motor 8 to make threaded rod 9 rotate, under the action of thread engagement, make two groups of sliding blocks 12 slide away, then under the cooperation of first connecting rod 10 and second connecting rod 11, make first limiting rod 17 and second limiting rod 18 drive two groups of scraper 7 to move away, so that scraper 7 continues to adhere to the inner wall of shell 1, to ensure that scraper 7 can effectively scrape the powder on the inner wall of shell 1.

[0025] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A high-efficiency mixing double helix stirring device for powder production, comprising a shell (1), characterized in that: The top of the shell (1) is fixedly provided with a first driving motor (2), and the output end of the first driving motor (2) is movably connected to the inner wall of the shell (1), the output end of the first driving motor (2) is fixedly connected with a fixed rod (14), the bottom wall of the fixed rod (14) is rotatably connected with a threaded rod (9), the outer surface of the threaded rod (9) is threadedly connected with two groups of sliding blocks (12), the inner side wall of one group of the two groups of sliding blocks (12) is rotatably connected with two groups of first connecting rods (10), the front ends of the two groups of first connecting rods (10) are rotatably connected with first limiting rods (17), the outer surface of the fixed rod (14) is fixedly provided with two groups of first supporting rods (15), and the first limiting rods (17) are slidably connected to the inner wall of the first supporting rods (15), the inner side wall of the other group of the two groups of sliding blocks (12) is rotatably connected with two groups of second connecting rods (11), the front ends of the two groups of second connecting rods (11) are rotatably connected with second limiting rods (18), the outer surface of the fixed rod (14) is fixedly provided with two groups of second supporting rods (16), and the second limiting rods (18) are slidably connected to the inner wall of the second supporting rods (16), the inner wall of the shell (1) is movably connected with two groups of scrapers (7), and the front ends of the first limiting rods (17) and the front ends of the second limiting rods (18) are fixedly connected to the outer surface of the scrapers (7).

2. The double helical mixing device for efficient mixing of powder production according to claim 1, characterized in that: The top wall of the fixed rod (14) is fixedly provided with a second driving motor (8), and the output end of the second driving motor (8) is fixedly connected to the front end of the threaded rod (9).

3. The double helical mixing device for efficient mixing of powder production according to claim 1, characterized in that: The first supporting rod (15) is located above the second supporting rod (16), and the length of the first supporting rod (15) is greater than the length of the second supporting rod (16).

4. The double helical mixing device for efficient mixing of powder production according to claim 1, characterized in that: The inner wall of the fixed rod (14) is slidably connected with two groups of sliding blocks (12), and the tail ends of the two groups of first connecting rods (10) and the tail ends of the two groups of second connecting rods (11) are movably connected to the inner wall of the fixed rod (14).

5. The double helical mixing device for efficient mixing of powder production according to claim 1, characterized in that: The outer surface of the two groups of first supporting rods (15) is provided with a first through groove (13), and the front end of the first connecting rod (10) is movably connected to the inner wall of the first through groove (13), the outer surface of the two groups of second supporting rods (16) is provided with a second through groove (20), and the front end of the second connecting rod (11) is movably connected to the inner wall of the second through groove (20).

6. The double helical mixing device for efficient mixing of powder production according to claim 1, characterized in that: The outer surface of the fixed rod (14) is fixedly provided with two groups of connecting shafts (3), the front ends of the two groups of connecting shafts (3) are fixedly provided with mounting shells (4), the inner walls of the two groups of mounting shells (4) are fixedly provided with third driving motors (19), the output end of one group of the two groups of third driving motors (19) is fixedly connected with a first spiral rod (5), and the output end of the other group of the two groups of third driving motors (19) is fixedly connected with a second spiral rod (6).

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