CN215059464U

CN215059464U - Novel mechanical sealing structure of sand mill

Info

Publication number: CN215059464U
Application number: CN202120007080.9U
Authority: CN
Inventors: 李源林
Original assignee: Husong Intelligent Equipment Taicang Co ltd
Current assignee: Husong Intelligent Equipment Taicang Co ltd
Priority date: 2021-01-04
Filing date: 2021-01-04
Publication date: 2021-12-07
Anticipated expiration: 2031-01-04

Abstract

The utility model discloses a novel mechanical sealing structure of a sand mill, relating to the technical field of the sand mill; the novel mechanical sealing structure of the sand mill comprises a machine case, wherein a connecting assembly is arranged in the machine case, a sealing assembly is movably arranged in the connecting assembly, a cooling assembly is also arranged in the machine case, the sealing assembly comprises a second fixing plate, a sealing plate is fixed at one end of the second fixing plate, a cavity is arranged in the sealing plate, and the cavity is matched with a bulge fixed on a main shaft for use; the second fixed plate is in threaded connection with a threaded rod which is rotatably arranged in the mounting cavity, and one end of the threaded rod is fixedly connected with the adjusting block. By arranging the connecting assembly and the sealing assembly, a very good sealing effect can be achieved, meanwhile, the sealing assembly can move in the connecting assembly, the sealing effect is convenient to adjust, and meanwhile, the sealing assembly is convenient to mount and dismount; through setting up cooling module, the heat that produces in the time of can reducing the friction has improved seal assembly's life.

Description

Novel mechanical sealing structure of sand mill

Technical Field

The utility model relates to a sand mill technical field specifically is a novel sand mill mechanical seal structure.

Background

The sand mill is the most extensive, the most advanced, the most efficient grinding equipment of present material adaptability, and the grinding chamber is narrowest, and the driving lever clearance is minimum, and the grinding energy is the most intensive, cooperates high performance cooling system and automatic control system, can realize the continuous processing of material and discharge in succession, very big improvement production efficiency.

Grant publication No. CN205851008U discloses an experimental sand mill with a sealing structure, which comprises: the cooling water jacket comprises a main shaft, a cooling water jacket, a feeding cavity and a sanding cavity which are arranged in the cooling water jacket, and a hopper which penetrates through the cooling water jacket and is communicated with the feeding cavity, wherein the right part of the main shaft is arranged in the feeding cavity and the sanding cavity, the left part of the main shaft is arranged in a protective sleeve, the end part of the protective sleeve is connected with the end part of the cooling water jacket through an adjusting plate and an adjusting screw arranged on the adjusting plate, a first conical sealing sleeve is connected onto the adjusting plate, a second conical sealing sleeve is arranged at the end part of the cooling water jacket, and the first conical sealing sleeve is sleeved in the second conical sealing sleeve; the device is only sealed through the conical sealing sleeve in the use process, and the sealing efficiency is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel sand mill mechanical seal structure solves above-mentioned problem.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a novel mechanical seal structure of sand mill, includes quick-witted case, and quick-witted incasement rotation is equipped with the main shaft, and quick-witted incasement is equipped with coupling assembling, and coupling assembling internalization is equipped with seal assembly, quick-witted incasement still is equipped with cooling module.

In one alternative: the connecting assembly comprises an upper connecting cylinder and a lower connecting cylinder, the upper connecting cylinder and the lower connecting cylinder are the same in structure and are symmetrically arranged on two sides of the main shaft, first fixing plates are fixed on the upper connecting cylinder and the lower connecting cylinder respectively, the first fixing plates are fixedly connected with the case through bolts, partition plates are fixed on the upper connecting cylinder and the lower connecting cylinder respectively, and the partition plates divide the inner space into an air inlet cavity and a sealing cavity.

In one alternative: the sealing assembly comprises a second fixing plate, a sealing plate is fixed at one end of the second fixing plate, a cavity is arranged in the sealing plate, and the cavity is matched with a bulge fixed on the main shaft for use; the second fixed plate is in threaded connection with a threaded rod which is rotatably arranged in the mounting cavity, and one end of the threaded rod is fixedly connected with the adjusting block.

In one alternative: and one side of the sealing plate is provided with a lapping block which is matched with the sealing plate for use, and the lapping block is fixedly connected with the partition plate through a spring.

In one alternative: be equipped with the lapping plate on the closing plate, be equipped with on the overlap joint piece and stretch out the board, stretch out the overlap joint between board and the lapping plate, and stretch out and be equipped with the sealing washer between board and the lapping plate.

In one alternative: the cooling assembly comprises a cooling liquid box fixed to the top of the machine box, an air inlet pipe is arranged on the top of the cooling liquid box, one end of the air inlet pipe is communicated with the fan, the other end of the air inlet pipe is communicated with an air guide pipe arranged in the cooling liquid box, the air guide pipe is communicated with an air outlet pipe inserted in the air inlet cavity, and the cooling assembly further comprises a through hole formed in the partition plate.

Compared with the prior art, the beneficial effects of the utility model are as follows:

by arranging the connecting assembly and the sealing assembly, a very good sealing effect can be achieved, meanwhile, the sealing assembly can move in the connecting assembly, the sealing effect is convenient to adjust, meanwhile, the sealing assembly is convenient to mount and dismount, the structure is simple, the operation is convenient, and the replacement and maintenance are convenient; through setting up cooling module, the heat that produces in the time of can reducing the friction, and then improved seal assembly's life, had very good practicality.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the connection between the upper connecting cylinder and the lower connecting cylinder of the present invention.

Fig. 3 is a schematic view of the connection between the extension plate and the lap plate of the present invention.

Fig. 4 is a schematic structural diagram of the middle sealing plate of the present invention.

Notations for reference numerals: 01-case, 02-main shaft, 03-connecting assembly, 04-sealing assembly, 05-cooling assembly, 31-upper connecting cylinder, 32-lower connecting cylinder, 33-first fixing plate, 34-bolt, 35-partition plate, 36-air inlet cavity, 37-sealing cavity, 41-second fixing plate, 42-sealing plate, 43-cavity, 44-protrusion, 45-lap joint block, 46-sealing ring, 47-spring, 48-mounting cavity, 49-threaded rod, 410-adjusting block, 411-extension plate, 412-lap joint plate, 51-cooling liquid tank, 52-air inlet pipe, 53-air guide pipe, 54-air outlet pipe and 55-through hole.

Detailed Description

The present invention will be described in detail with reference to the following embodiments, wherein like or similar elements are designated by like reference numerals throughout the drawings or description, and wherein the shape, thickness or height of the various elements may be expanded or reduced in practical applications. The embodiments of the present invention are provided only for illustration, and not for limiting the scope of the present invention. Any obvious and obvious modifications or alterations to the present invention can be made without departing from the spirit and scope of the present invention.

Example 1

Referring to fig. 1-4, in the embodiment of the present invention, a novel mechanical sealing structure of a sand mill includes a case 01, a main shaft 02 is rotatably disposed in the case 01, that is, the main shaft 02 can rotate in the case 01, a connecting assembly 03 is disposed in the case 01, a sealing assembly 04 is movably disposed in the connecting assembly 03, a sealing effect can be achieved through the connecting assembly 03 and the sealing assembly 04, and the sealing assembly 04 can move at the same time, so that a sealing position can be conveniently adjusted, which is very simple and practical, has very good adjusting effect and sealing performance, and is also convenient to install and disassemble, so that the novel mechanical sealing structure of a sand mill has very good practicability; still be equipped with cooling module 05 in the quick-witted case 01, can cool off seal assembly 04 through cooling module 05, and then reduce the heat that the friction produced between main shaft 02 and seal assembly 04.

Further, the connecting assembly 03 comprises an upper connecting cylinder 31 and a lower connecting cylinder 32, the upper connecting cylinder 31 and the lower connecting cylinder 32 are identical in structure and are symmetrically arranged on two sides of the main shaft 02, namely the upper connecting cylinder 31 and the lower connecting cylinder 32 are independent bodies and can seal the main shaft 02 with different diameters, and the connecting assembly is very simple and has very good applicability; the upper connecting cylinder 31 and the lower connecting cylinder 32 are both fixed with a first fixing plate 33, the first fixing plate 33 is fixedly connected with the case 01 through a bolt 34, and the upper connecting cylinder 31 and the lower connecting cylinder 32 are further fixed on the case 01, so that the upper connecting cylinder 31 and the lower connecting cylinder 32 have very good stability, and meanwhile, the mounting and the dismounting are convenient, and only the bolt 34 needs to be taken down, and then the upper connecting cylinder 31 and the lower connecting cylinder 32 are taken out; the partition plates 35 are fixed on the upper connecting cylinder 31 and the lower connecting cylinder 32, the partition plates 35 divide the inner space into the air inlet cavity 36 and the sealing cavity 37, the sealing cavity 37 can be conveniently cooled through the air inlet cavity 36, and heat generated when the main shaft 02 rubs with the sealing assembly 04 is further reduced, so that the structure is very simple.

Further, the sealing assembly 04 comprises a second fixing plate 41, and a sealing plate 42 is fixed at one end of the second fixing plate 41, that is, when the second fixing plate 41 moves, the sealing plate 42 can be driven to slide on the main shaft 02, so that the sealing position can be conveniently adjusted; the sealing plate 42 is internally provided with the cavity 43, the cavity 43 is matched with the bulge 44 fixed on the main shaft 02 for use, so that the better sealing effect is improved, meanwhile, the sliding of the sealing plate 42 on the main shaft 02 is not influenced, and the practicability is very good; second fixed plate 41 with rotate the threaded rod 49 threaded connection who sets up in installation cavity 48, can drive second fixed plate 41 and remove when threaded rod 49 is rotatory, and then drive closing plate 42 and remove, have very good regulatory action, the one end and the regulating block 410 fixed connection of threaded rod 49 can drive threaded rod 49 rotatory through rotatory regulating block 410, and then play very good position control effect.

Further, closing plate 42 one side is equipped with the overlap joint piece 45 that the cooperation was used, can still further improve the leakproofness, and overlap joint piece 45 can enough improve the stability of baffle 35 through spring 47 and baffle 35 fixed connection, has the convenient cushioning effect that plays closing plate 42.

Furthermore, the sealing plate 42 is provided with a lapping plate 412, the lapping block 45 is provided with an extending plate 411, the extending plate 411 is lapped with the lapping plate 412, and a sealing ring 46 is arranged between the extending plate 411 and the lapping plate 412, so that a good sealing effect is achieved.

By arranging the connecting assembly 03 and the sealing assembly 04, a good sealing effect can be achieved, meanwhile, the sealing assembly 04 can move in the connecting assembly 03, the sealing effect is convenient to adjust, meanwhile, the sealing assembly 04 is convenient to mount and dismount, the structure is simple, the operation is convenient, and the replacement and maintenance are convenient; through setting up cooling module 05, the heat that produces in the time of can reducing the friction, and then improved seal assembly 04's life, had very good practicality.

Example 2

The cooling assembly 05 comprises a cooling liquid tank 51 fixed at the top of the case 01, and cooling liquid is arranged in the cooling liquid tank 51, so that air can be cooled conveniently; an air inlet pipe 52 is arranged at the top of the cooling liquid tank 51, one end of the air inlet pipe 52 is communicated with the fan, the other end of the air inlet pipe 52 is communicated with an air guide pipe 53 arranged in the cooling liquid tank 51, the air guide pipe 53 is communicated with an air outlet pipe 54 inserted in the air inlet cavity 36, so that air is transferred into the air inlet cavity 36, the air can be effectively cooled through the cooling liquid, and the cooling effect is improved; and the partition 35 is provided with a through hole 55 through which air passes, thereby transferring cold air into the sealed chamber 37.

The utility model discloses a theory of operation is: firstly, the sealing assembly 04 is installed on the upper connecting cylinder 31 and the lower connecting cylinder 32, then the upper connecting cylinder 31 and the lower connecting cylinder 32 are installed in the upper connecting cylinder 31, then the main shaft 02 is inserted into the case 01, the positions of the second fixing plate 41 and the sealing plate 42 are adjusted through the rotary adjusting block 410, and then ventilation is carried out to the inside through the fan.

The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a novel mechanical seal structure of sand mill, includes quick-witted case (01), and quick-witted case (01) internal rotation is equipped with main shaft (02), its characterized in that, be equipped with coupling assembling (03) in quick-witted case (01), coupling assembling (03) internalization is equipped with seal assembly (04), still be equipped with cooling module (05) in quick-witted case (01).

2. The novel mechanical sealing structure of the sand mill as claimed in claim 1, wherein the connecting assembly (03) comprises an upper connecting cylinder (31) and a lower connecting cylinder (32), the upper connecting cylinder (31) and the lower connecting cylinder (32) are identical in structure and are symmetrically arranged on two sides of the main shaft (02), first fixing plates (33) are fixed on the upper connecting cylinder (31) and the lower connecting cylinder (32), the first fixing plates (33) are fixedly connected with the machine case (01) through bolts (34), partition plates (35) are fixed on the upper connecting cylinder (31) and the lower connecting cylinder (32), and the partition plates (35) divide the inner space into an air inlet cavity (36) and a sealing cavity (37).

3. The novel mechanical seal structure of the sand mill is characterized in that the seal assembly (04) comprises a second fixing plate (41), a sealing plate (42) is fixed at one end of the second fixing plate (41), a cavity (43) is arranged in the sealing plate (42), and the cavity (43) is matched with a protrusion (44) fixed on the main shaft (02); the second fixing plate (41) is in threaded connection with a threaded rod (49) which is rotatably arranged in the mounting cavity (48), and one end of the threaded rod (49) is fixedly connected with the adjusting block (410).

4. A novel mechanical seal structure of a sand mill according to claim 3, characterized in that one side of the seal plate (42) is provided with a matched overlapping block (45), and the overlapping block (45) is fixedly connected with the partition plate (35) through a spring (47).

5. A novel mechanical sealing structure of a sand mill according to claim 4, characterized in that the sealing plate (42) is provided with a lapping plate (412), the lapping block (45) is provided with a protruding plate (411), the protruding plate (411) is lapped with the lapping plate (412), and a sealing ring (46) is arranged between the protruding plate (411) and the lapping plate (412).

6. The novel mechanical sealing structure of the sand mill as claimed in claim 1, wherein the cooling component (05) comprises a cooling liquid box (51) fixed on the top of the machine box (01), an air inlet pipe (52) is arranged on the top of the cooling liquid box (51), one end of the air inlet pipe (52) is communicated with the fan, the other end of the air inlet pipe is communicated with an air guide pipe (53) arranged in the cooling liquid box (51), the air guide pipe (53) is communicated with an air outlet pipe (54) inserted in the air inlet cavity (36), and the cooling component (05) further comprises a through hole (55) arranged in the partition plate (35).