CN220678142U - Rotor blade of vertical mill powder concentrator - Google Patents

Abstract

The utility model discloses a rotor blade of a powder selecting machine of a vertical mill, which comprises annular fixed frames, wherein two annular fixed frames are arranged, the two annular fixed frames are arranged up and down oppositely, the inner sides of the annular fixed frames are provided with rotating columns, the inner sides of the two annular fixed frames are fixedly connected with the rotating columns through connecting rods, the top and the bottom of each annular fixed frame are respectively provided with a rotating opening, and the inner sides of the rotating openings at the upper part and the lower part are respectively connected with a first round seat and a first round seat in a rotating way. This vertical mill powder concentrator rotor blade is through being provided with two rotation posts at the periphery of rotation post to set up the rotation mouth at the top of rotation post and install first circle seat and first circle seat respectively, the setting of these structures can insert the blade or take out the inside of first circle seat and first circle seat through the spliced groove, thereby has realized the purpose of changing single blade, has made things convenient for the maintenance to equipment.

Description

Rotor blade of vertical mill powder concentrator

Technical Field

The utility model relates to the technical field of powder separators of vertical mills, in particular to a rotor blade of a powder separator of a vertical mill.

Background

The grinding process of the vertical mill is completed by a set of grinding devices, and materials are ground into powder between a grinding roller and a grinding disc. The grinding device is rotated by the grinding disc and correspondingly drives the grinding roller to drive, and the grinding pressure is mainly used for pressurizing the grinding disc materials by a set of hydraulic device except the dead weight of the grinding roller. The milled material contains a large amount of coarse powder, the powder is selected by a matched powder selecting machine, the powder selecting process is that the powder is selected by air flow, most of the coarse powder automatically falls on a millstone in the air flow process, the coarse powder is received and ground again, and the rest of the coarse powder is selected by the powder selecting machine to be a finished product.

When the current powder selecting machine operates, the powder and air flow are driven to wash each other through the inner rotor, the air guide blades on the surface are contacted with the powder, and the air guide blades are partially worn after long-time use, so that the current powder selecting machine needs to be maintained and replaced, but the current rotor and the blades are welded into a whole, and are inconvenient to be detached singly, so that the maintenance is complicated, and although the rotor capable of detaching the air guide blades singly is also provided, the connection part of the rotor is easy to cause the loosening and the angle deviation of the blades, so that the operation of equipment is influenced;

therefore, the rotor blade of the vertical mill powder concentrator, which can be conveniently replaced and is not easy to deviate, is designed to solve the defects.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a rotor blade of a vertical mill powder concentrator, which solves the problem that the rotor blade of the current powder concentrator is difficult to replace and maintain after being worn.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a vertical mill powder concentrator rotor blade, includes annular fixed frame and annular fixed frame is provided with two, two the annular fixed frame sets up relatively from top to bottom, the inboard of annular fixed frame is provided with the rotation post, two through connecting rod fixed connection between the inboard of annular fixed frame and the rotation post.

Preferably, the top and the bottom of the annular fixed frame are provided with rotating ports, the upper part and the lower part are respectively connected with a first round seat and a second round seat in a rotating way on the inner side of the rotating ports, the top of the second round seat and the top and the bottom of the first round seat are provided with matched inserting grooves, and the inner side of each inserting groove is provided with blades.

Preferably, the surfaces of the first round seat and the second round seat are fixedly connected with gear rings which are positioned on the inner sides of the annular fixed frames, and the rear sides of the inner parts of the annular fixed frames are rotationally connected with tooth rings meshed with the gear rings.

Preferably, an annular moving opening is formed in the inner side of the annular fixed frame, and a bent connecting rod matched with the annular moving opening for use is fixedly connected between the upper portion and the lower portion of the annular fixed frame.

Preferably, the surface of the rotating column is provided with a rotating groove, the surface of the rotating groove is rotationally connected with a rotating cylinder frame, the surface of the rotating cylinder frame is provided with a tooth socket, and the upper part of the inner side of the rotating groove is provided with a limiting sliding groove.

Preferably, the inner side of the limiting sliding groove is slidingly provided with a limiting sliding rod, the bottom end of the limiting sliding rod is fixedly connected with a limiting tooth cylinder matched with the tooth socket for use, and the rotating cylinder frame is fixedly connected with the bent connecting rod through a pushing rod.

Advantageous effects

The utility model provides a rotor blade of a powder concentrator of a vertical mill. Compared with the prior art, the method has the following beneficial effects:

(1) According to the rotor blade of the powder selecting machine of the vertical mill, two rotating columns are arranged on the periphery of the rotating columns, the rotating ports are formed in the tops of the rotating columns, the first round seat and the second round seat are respectively arranged, the blades can be inserted into or pulled out of the first round seat and the second round seat through the inserting grooves, the purpose of replacing single blades is achieved, and maintenance of equipment is facilitated.

(2) This vertical mill powder concentrator rotor blade through all installing the gear circle at the surface of first circle seat and second circle seat to at the internally mounted of annular fixed frame with the tooth ring of gear circle looks meshing, collocation tooth socket and spacing tooth section of thick bamboo use, the setting of these structures can be connected a plurality of first circle seat and second circle seat through the tooth ring, makes it can not singly take place the skew, thereby avoids the operation to equipment to can also carry out synchronous adjustment to a plurality of first circle seats and second circle seats simultaneously, make things convenient for staff's use.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a top view of the internal structure of the annular fixing frame of the present utility model;

FIG. 3 is a schematic view of the structure of the first circular seat, the inserting groove and the gear ring of the utility model;

FIG. 4 is a bottom view of the pivot post, connecting rod and pivot mouth arrangement of the present utility model;

FIG. 5 is an enlarged view of a portion of the utility model at A in FIG. 4;

fig. 6 is a schematic view of the structure of the rotary cylinder frame, push rod and tooth socket of the present utility model.

In the figure: 1. an annular fixed frame; 2. rotating the column; 3. a connecting rod; 4. a rotating port; 5. a first round seat; 6. a second round seat; 7. a plug-in groove; 8. a gear ring; 9. a tooth ring; 10. an annular moving port; 11. a bent connecting rod; 12. a rotating groove; 13. rotating the drum frame; 14. a push rod; 15. tooth sockets; 16. limiting sliding grooves; 17. a limit slide bar; 18. limiting tooth cylinder; 19. and (3) a blade.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1-6, the present utility model provides a technical solution: the utility model provides a vertical mill powder concentrator rotor blade, includes annular fixed frame 1 and annular fixed frame 1 is provided with two, and two annular fixed frames 1 set up relatively from top to bottom, and the inboard of annular fixed frame 1 is provided with the rotation post 2, through connecting rod 3 fixed connection between the inboard of two annular fixed frames 1 and the rotation post 2.

As an alternative embodiment, the top and the bottom of the annular fixed frame 1 are both provided with a rotating opening 4, the inner sides of the upper rotating opening 4 and the lower rotating opening 4 are respectively connected with a first round seat 5 and a second round seat 6 in a rotating manner, the top of the second round seat 6 and the top and the bottom of the first round seat 5 are both provided with a matched inserting groove 7, the inner sides of the inserting groove 7 are provided with blades 19, the surfaces of the first round seat 5 and the second round seat 6 are respectively fixedly connected with a gear ring 8, the rear side of the inner part of the annular fixed frame 1 is rotationally connected with a tooth ring 9 meshed with the gear ring 8, and the tooth ring 9 is connected with the annular fixed frame 1 through a bearing ring and has interference fit to generate friction force.

Further, an annular moving opening 10 is formed in the inner side of the annular fixed frame 1, a bent connecting rod 11 matched with the annular moving opening 10 is fixedly connected between the upper portion and the lower portion of the annular fixed frame 1, a rotating groove 12 is formed in the surface of the rotating column 2, a rotating cylinder frame 13 is rotatably connected to the surface of the rotating groove 12, a tooth groove 15 is formed in the surface of the rotating cylinder frame 13, and a limiting sliding groove 16 is formed in the upper portion of the inner side of the rotating groove 12.

The inner side of the limiting sliding groove 16 is slidably provided with a limiting sliding rod 17, the bottom end of the limiting sliding rod 17 is fixedly connected with a limiting tooth cylinder 18 matched with the tooth groove 15 for use, and the rotary cylinder frame 13 and the bent connecting rod 11 are fixedly connected through a pushing rod 14.

And all that is not described in detail in this specification is well known to those skilled in the art.

When the device is used, after the blades 19 are worn in the running process of the device, a worker holds the damaged blades 19 to pull the damaged blades out of the inserting grooves 7 at the top of the second circular seat 6 upwards, then pulls out the damaged blades upwards from the inner side of the first circular seat 5, then inserts new blades 19 into the inner side of the second circular seat 6 through the inserting grooves 7 to be replaced, if a plurality of blades 19 need to be subjected to angle adjustment, firstly lifts the limiting tooth cylinder 18 upwards through the limiting sliding rod 17, at the moment, the limiting tooth cylinder 18 is separated from the tooth grooves 15, then rotates the tooth grooves 15 to drive the two tooth rings 9 to synchronously rotate by utilizing the pushing rod 14, and when the tooth rings 9 rotate, the first circular seat 5 and the second circular seat 6 are driven to synchronously and co-directionally rotate by meshing with the plurality of gear rings 8, so that the blades 19 are subjected to angle adjustment, and after the adjustment is completed, the limiting tooth cylinder 18 is put down to be meshed with the tooth grooves 15, at the moment, the two tooth rings 9 and the plurality of tooth rings 9 are fixed, and then can be continuously used.

Claims (6)

1. The utility model provides a vertical mill powder concentrator rotor blade, includes annular fixed frame (1) and annular fixed frame (1) are provided with two, its characterized in that: the two annular fixing frames (1) are arranged up and down oppositely, a rotating column (2) is arranged on the inner side of each annular fixing frame (1), and the inner sides of the two annular fixing frames (1) are fixedly connected with the rotating column (2) through a connecting rod (3).

2. A rotor blade for a powder concentrator of a vertical mill according to claim 1, wherein: the top and the bottom of annular fixed frame (1) all have seted up and have rotated mouth (4), upper portion and lower part the inboard of rotating mouth (4) rotates respectively and is connected with first round seat (5) and second round seat (6), grafting groove (7) that cooperatees the use have all been seted up to the top of second round seat (6) and the top and the bottom of first round seat (5), the inboard of grafting groove (7) is provided with blade (19).

3. A rotor blade for a powder concentrator of a vertical mill as claimed in claim 2, wherein: the gear ring (8) is fixedly connected to the surfaces of the first round seat (5) and the second round seat (6) and is positioned on the inner side of the annular fixed frame (1), and the gear ring (9) meshed with the gear ring (8) is rotationally connected to the rear side inside the annular fixed frame (1).

4. A rotor blade for a powder concentrator of a vertical mill according to claim 3, wherein: an annular moving opening (10) is formed in the inner side of the annular fixed frame (1), and a bent connecting rod (11) matched with the annular moving opening (10) for use is fixedly connected between the upper portion and the lower portion of the tooth ring (9).

5. A rotor blade for a powder concentrator of a vertical mill according to claim 1, wherein: the rotary column is characterized in that a rotary groove (12) is formed in the surface of the rotary column (2), a rotary cylinder frame (13) is connected to the surface of the rotary groove (12) in a rotary mode, a tooth socket (15) is formed in the surface of the rotary cylinder frame (13), and a limiting sliding groove (16) is formed in the upper portion of the inner side of the rotary groove (12).

6. A rotor blade for a powder concentrator of a vertical mill as claimed in claim 5, wherein: the inner side of the limiting sliding groove (16) is slidingly provided with a limiting sliding rod (17), the bottom end of the limiting sliding rod (17) is fixedly connected with a limiting tooth cylinder (18) matched with the tooth groove (15), and the rotating cylinder frame (13) and the bent connecting rod (11) are fixedly connected through a pushing rod (14).