Improved powder concentrator rotor

Abstract

The utility model relates to the technical field of powder selecting machines, in particular to an improved powder selecting machine rotor which comprises a main shaft, a second mounting ring is arranged above a first mounting ring, a plurality of mounting openings are formed in the surface of the second mounting ring, rotating rods are vertically and rotatably mounted in the mounting openings, and the rotating rods are all rotatably connected with the first mounting ring. Blades are fixedly connected to the rotating rods in a sleeving manner; a mounting rod is fixedly mounted at the top end of the rotating rod, a threaded groove is vertically formed in the top of the mounting rod, and a first threaded rod is mounted in the threaded groove in a threaded mode. The first threaded rod, the second threaded rod, the mounting rod and the moving ring are matched with one another, so that the blades can be quickly controlled to rotate together, the angle between every two adjacent blades can be adjusted until the angle between every two adjacent blades is matched with the required powder selecting size, the powder selecting size is not constant any more, and the powder selecting efficiency is improved. And the practicability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a powder concentrator technical field especially relates to an improved powder concentrator rotor. BACKGROUND

[0002] In cement, ore processing and many other industrial fields, the powder concentrator is an indispensable key equipment, and its main function is to separate and screen materials according to particle size to obtain products of different particle size grades, wherein the rotor, as one of the core components of the powder concentrator, plays a decisive role in the precision and efficiency of powder concentration.

[0003] The angle between the adjacent two blades of the traditional cage rotor structure is fixed after the design is completed, the powder concentration size is basically fixed, and it is difficult to adjust in real time according to different production process requirements and material characteristics, which leads to that when the product particle size needs to be changed in the actual production process, the whole rotor often needs to be replaced or the other components of the powder concentrator need to be complicatedly modified, which not only is cumbersome, time-consuming and laborious, but also greatly increases the production cost and equipment downtime, seriously affects the production efficiency and the economic benefit of enterprises. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in the prior art and provides an improved powder concentrator rotor.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] An improved powder concentrator rotor, comprising a main shaft, a plurality of partitions are fixedly installed at the bottom end of the main shaft in a circumferential manner, a first mounting ring is fixedly installed at the end of the partitions away from the main shaft, a second mounting ring is arranged above the first mounting ring, a plurality of mounting ports are arranged on the surface of the second mounting ring in a circumferential manner, a rotating rod is vertically and rotatably installed in the mounting port, the bottom end of the rotating rod is rotatably connected with the upper surface of the first mounting ring, and a blade is fixedly sleeved on the rotating rod; the top end of the rotating rod is fixedly installed with a mounting rod, a threaded groove is vertically arranged on the top of the mounting rod, a first threaded rod is threadedly installed in the threaded groove, a plurality of moving rings are fixedly installed at the top end of the first threaded rod, a second threaded rod is vertically and rotatably installed on the upper surface of the second mounting ring, a sliding block is threadedly sleeved on the second threaded rod, the sliding block is fixedly connected with the moving ring, an installation block is fixedly installed on the upper surface of the moving ring, a circular port is arranged on the surface of the installation block, and an adsorption assembly is arranged in the circular port; the adsorption assembly is used for fixing the moving ring, and the adsorption assembly comprises a moving rod and a suction disc which are slidably inserted into the circular port; one end of the moving rod is horizontally provided with an air groove, the suction disc is fixedly installed at the opening end of the moving rod, a vertical plate is vertically and fixedly installed on the upper surface of the second mounting ring, the position of the vertical plate corresponds to that of the suction disc, and the end of the moving rod away from the air groove is provided with a rotating port.

[0007] In order to better achieve the above purpose, the utility model adopts further technical scheme: the desorption assembly includes the rotating shaft, rotating block and baffle that are sealingly and rotatably installed in the rotating port, the rotating block is fixedly installed at one end of the rotating shaft outside the air groove, the baffle is fixedly connected with one end of the rotating shaft in the air groove through the connecting rod, the surface of the moving rod is provided with the air port which is communicated with the air groove, the baffle is sealingly installed on the groove wall of the air groove and is used for covering the air port, the rotating block is connected with the moving rod through the elastic component, and the elastic component includes the torsional spring which is sleeved on the rotating shaft, and the two ends of the torsional spring are fixedly connected with the rotating block and the moving rod respectively.

[0008] In order to better achieve the above purpose, the utility model adopts further technical scheme: the surface of the rotating block is bonded with the antiskid pad, and the material of the antiskid pad is rubber.

[0009] The utility model discloses the beneficial effect is: through the cooperation between the first threaded rod, the second threaded rod, the mounting rod and the moving ring, the plurality of blades can be controlled to rotate together quickly, thereby adjusting the angle between the two adjacent blades until the angle between the two adjacent blades is adapted to the required powder size, and the powder size is no longer constant, and the practicability is improved. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1The utility model provides an improved powder selecting machine rotor's front surface stereoscopic structure schematic view;

[0011] Figure 2 The utility model provides an improved powder selecting machine rotor's plan view stereoscopic structure schematic view;

[0012] Figure 3 The utility model provides an improved powder selecting machine rotor's plan view stereoscopic structure schematic view;

[0013] Figure 4 The utility model provides an improved powder selecting machine rotor's plan view stereoscopic structure schematic view;

[0014] Figure 5 The utility model provides an improved powder selecting machine rotor's plan view stereoscopic structure schematic view;

[0015] Figure 6 For Figure 1 The structure of A in the middle is enlarged view.

[0016] In the drawing: 1 main shaft, 2 partition, 3 first installation ring, 4 second installation ring, 5 rotating rod, 6 blade, 7 installation rod, 8 thread groove, 9 first threaded rod, 10 moving ring, 11 second threaded rod, 12 sliding block, 13 installation block, 14 moving rod, 15 sucking disc, 16 vertical board, 17 rotating shaft, 18 rotating block, 19 baffle, 20 gas port, 21 torsional spring. Specific implementation

[0017] The technical scheme in the utility model embodiment will be clearly and completely described below with reference to the drawings in the utility model embodiment.

[0018] Refer to Figures 1-6As shown, an improved powder classifier rotor, comprising a main shaft 1, a plurality of partitions 2 are fixedly installed at the bottom end of the main shaft 1 in a circumferential manner, a first mounting ring 3 is fixedly installed at the end away from the main shaft 1 of the plurality of partitions 2, a second mounting ring 4 is arranged above the first mounting ring 3, a plurality of installation openings are arranged on the surface of the second mounting ring 4 in a circumferential manner, a rotating rod 5 is vertically rotatably installed in the installation opening, the bottom end of the plurality of rotating rods 5 is rotatably connected with the upper surface of the first mounting ring 3, a blade 6 is fixedly sleeved on the rotating rod 5, a powder selection space for powder passing through is formed between the adjacent two blades 6, an installation rod 7 is fixedly installed at the top end of the rotating rod 5, a threaded groove 8 is vertically arranged on the top of the installation rod 7, a first threaded rod 9 is threadedly installed in the threaded groove 8, a moving ring 10 is fixedly installed at the top end of the plurality of first threaded rods 9, a second threaded rod 11 is vertically rotatably installed on the upper surface of the second mounting ring 4, a sliding block 12 is threadedly sleeved on the second threaded rod 11, the sliding block 12 is fixedly connected with the moving ring 10, when the powder selection size needs to be changed, only the second threaded rod 11 is rotated to control the sliding block 12 to vertically move with the moving ring 10, and the plurality of first threaded rods 9 fixedly connected with the moving ring 10 will vertically move together, since the first threaded rod 9 cannot rotate, when the first threaded rod 9 vertically moves in the threaded groove 8, the installation rod 7 will rotate with the rotating rod 5 and the blade 6, the angle between the adjacent two blades 6 will change, the size of the powder selection space formed between the adjacent two blades 6 will also change, until the size of the powder selection space between the adjacent two blades 6 is adapted to the required powder selection size, the powder selection size is no longer constant, the practicability of the device is improved, an installation block 13 is fixedly installed on the upper surface of the moving ring 10, a circular opening is arranged on the surface of the installation block 13, an adsorption assembly is arranged in the circular opening, and the adsorption assembly is used to fix the moving ring 10.

[0019] The adsorption assembly comprises a moving rod 14 and a suction disc 15, the moving rod 14 is slidably arranged in the round opening, one end of the moving rod 14 is horizontally provided with a gas groove, the suction disc 15 is fixedly arranged at the opening end of the moving rod 14, a vertical plate 16 is vertically fixedly arranged on the upper surface of the second mounting ring 4, the vertical plate 16 corresponds to the position of the suction disc 15, when the moving ring 10 moves to the appropriate position, the moving rod 14 with the suction disc 15 can be controlled to move horizontally, so that the suction disc 15 tightly abuts against the surface of the vertical plate 16, the suction disc 15 is deformed under the pressing force, and the gas in the suction disc 15 can flow out from the gap between the contact surface of the suction disc 15 and the vertical plate 16, so that the suction disc 15 can form adsorption with the vertical plate 16, the second threaded rod 11 can be prevented from rotating under the influence of external force in the process of rotating the cage rotor, so that the moving ring 10 moves vertically, the blade 6 also rotates, and the size of the powder selecting space changes, the end of the moving rod 14 away from the gas groove is provided with a rotating opening, the rotating opening is provided with a desorption assembly for releasing the adsorption between the suction disc 15 and the vertical plate 16, the desorption assembly comprises a rotating shaft 17, a rotating block 18 and a baffle 19, the rotating shaft 17 is sealingly and rotatably arranged in the rotating opening, the rotating block 18 is fixedly arranged at one end of the rotating shaft 17 located outside the gas groove, the baffle 19 is fixedly connected with one end of the rotating shaft 17 located in the gas groove through a connecting rod, the surface of the moving rod 14 is provided with a gas port 20 in communication with the gas groove, the baffle 19 is sealingly and slidably arranged on the groove wall of the gas groove and covers the gas port 20, the rotating block 18 is connected with the moving rod 14 through an elastic component, the elastic component comprises a torsional spring 21 sleeved on the rotating shaft 17, the two ends of the torsional spring 21 are fixedly connected with the rotating block 18 and the moving rod 14 respectively, the surface of the rotating block 18 is bonded with a non-slip pad, the material of the non-slip pad is rubber, the baffle 19 can uncover the gas port 20 under the elastic potential energy of the torsional spring 21, so that the gas port 20 is closed, when the adsorption between the suction disc 15 and the vertical plate 16 needs to be released, the rotating block 18 is rotated, the rotating shaft 17 and the baffle 19 are controlled to rotate together, until the baffle 19 rotates to no longer cover the gas port 20, at this time, the gas port 20 is in an open state, the gas outside can enter the gas groove and the suction disc 15 from the gas port 20, so that the pressure inside and outside the suction disc 15 is consistent, and the adsorption between the suction disc 15 and the vertical plate 16 can be easily released, when the rotating block 18 is loosened, the rotating shaft 17 and the baffle 19 can quickly rotate and reset under the elastic potential energy of the torsional spring 21, the baffle 19 can rotate again to cover the gas port 20, so that the gas port 20 is closed.

[0020] The utility model discloses when the selected powder size needs to change, only need to rotate second threaded rod 11, control slider 12 with moving ring 10 and carry out vertical movement, and the multiple first threaded rods 9 of fixed connection with moving ring 10 will together carry out vertical movement, because first threaded rod 9 cannot rotate, when first threaded rod 9 carries out vertical movement in threaded groove 8, the mounting rod 7 will be with the rotation of rod 5 and blade 6 and rotate, the angle between the two adjacent blades 6 will change, the size of the selected powder space formed between the two adjacent blades 6 will also change, until the size of the selected powder space between the two adjacent blades 6 is adapted to the selected powder size required, the selected powder size is no longer constant, improve the practicality of the device.

Claims

1. An improved classifier rotor, comprising a main shaft (1), characterized in that, Multiple partition plates (2) are fixedly installed in a circular shape on the bottom surface of the main shaft (1). A first mounting ring (3) is fixedly installed on the end of the partition plates (2) away from the main shaft (1). A second mounting ring (4) is provided above the first mounting ring (3). Multiple mounting holes are opened in a circular shape on the surface of the second mounting ring (4). A rotating rod (5) is vertically rotatably installed in the mounting hole. The bottom ends of the multiple rotating rods (5) are rotatably connected to the upper surface of the first mounting ring (3). A blade (6) is fixedly sleeved on the rotating rod (5). An mounting rod (7) is fixedly installed at the top of the rotating rod (5). A threaded groove (8) is vertically opened at the top of the mounting rod (7). A first threaded rod (9) is threaded in the threaded groove (8). A moving ring (10) is fixedly installed at the top of the multiple first threaded rods (9). A second threaded rod (10) is vertically rotatably installed on the upper surface of the second mounting ring (4). 1) A slider (12) is threaded onto the second threaded rod (11). The slider (12) is fixedly connected to the moving ring (10). An installation block (13) is fixedly installed on the upper surface of the moving ring (10). A circular opening is provided on the surface of the installation block (13). An adsorption component is provided in the circular opening. The adsorption component is used to fix the moving ring (10). The adsorption component includes a moving rod (14) and a suction cup (15) that are slidably inserted into the circular opening. An air groove is horizontally opened at one end of the moving rod (14). The suction cup (15) is fixedly installed at the open end of the moving rod (14). A vertical plate (16) is vertically fixedly installed on the upper surface of the second installation ring (4). The position of the vertical plate (16) corresponds to that of the suction cup (15). A rotating port is opened at the end of the moving rod (14) away from the air groove. A desorption component is provided in the rotating port for releasing the suction cup (15) from the vertical plate (16).

2. An improved classifier rotor according to claim 1, characterized in that, The desorption assembly includes a rotating shaft (17), a rotating block (18), and a baffle (19) that are rotatably and sealed within the rotating port. The rotating block (18) is fixedly installed at one end of the rotating shaft (17) located outside the gas groove. The baffle (19) is fixedly connected to one end of the rotating shaft (17) located within the gas groove via a connecting rod. The moving rod (14) has an air port (20) on its surface that communicates with the gas groove. The baffle (19) is slidably and sealed within the wall of the gas groove and is used to cover the air port (20). The rotating block (18) is connected to the moving rod (14) via an elastic component. The elastic component includes a torsion spring (21) sleeved on the rotating shaft (17). The two ends of the torsion spring (21) are fixedly connected to the rotating block (18) and the moving rod (14) respectively.

3. An improved classifier rotor according to claim 2, characterized in that, The rotating block (18) has an anti-slip pad attached to its surface, and the anti-slip pad is made of rubber.

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