CN215087655U

CN215087655U - Raymond mill roll shaft with air-tight seal structure

Info

Publication number: CN215087655U
Application number: CN202121178949.2U
Authority: CN
Inventors: 徐国海
Original assignee: Shaoxing Hengshili Machinery Manufacturing Co ltd
Current assignee: Shaoxing Hengshili Machinery Manufacturing Co ltd
Priority date: 2021-05-29
Filing date: 2021-05-29
Publication date: 2021-12-10
Anticipated expiration: 2031-05-29

Abstract

The utility model provides a Raymond mill grinding roller axle with airtight structure, including the bearing frame, one side of bearing frame is rotated and is connected with the bearing, and the opposite side of bearing runs through the bearing frame and extends to the opposite side of bearing frame, the inside fixedly connected with axis of rotation of bearing, the one end fixedly connected with grinding roller of axis of rotation. The utility model provides a raymond mill roller with airtight structure passes through the setting of seal cover in the seal structure, can wrap up the surface of axis of rotation, and then position between protection casing and the axis of rotation seals, make the dust be not convenient for get into in the bearing, and the slope through slope seal ring sets up, the stopping of dust has further been improved, and the gaseous discharge of being convenient for, and because the setting of slope seal ring slope, the gas of roller position can not enter into the inside of protection casing, the function of one-way blowing has, through the setting of one-way blowing and seal structure, sealed effect has been strengthened.

Description

Raymond mill roll shaft with air-tight seal structure

Technical Field

The utility model relates to a raymond mill field especially relates to a raymond mill roller with airtight structure.

Background

Raymond mill, also called Raymond mill, is suitable for preparation of various mineral powders and coal powders, such as fine powder processing of raw material ores, gypsum ores, coal and other materials. The appearance looks like a steel container is vertical, and the steel container is provided with an air inlet and an air outlet, and the middle part is provided with a feed inlet.

The lower part of the grinding roller is provided with a motor which drives an internal grinding roller and a grinding disc to rotate so as to crush or grind materials to be ground, the finished materials are blown up by wind from an air inlet, the upper part inside the grinding roller is provided with a separator which can separate coarse powder from fine powder, and then the coarse powder and the fine powder are taken out from an air outlet by the wind passing through the grinding roller and are collected.

Among the correlation technique, raymond milling machine revolves at the grinding roller and produces centrifugal force crushing material and rotation under the frictional force effect in grinding the ring, and the dust is covered easily on the bearing, causes the chucking of bearing, damages, is unfavorable for raymond milling machine's work, and application number 201810931022.8's patent though plays certain dustproof function, but need borrow air feeder, just can't seal at not possessing air feeder, has reduced sealed effect, has increased extra cost.

Therefore, it is necessary to provide a grinding roller shaft of a Raymond mill with an air sealing structure to solve the technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a raymond mill grinding roller axle with airtight structure has solved that the leakproofness is not strong, the higher problem of cost.

In order to solve the technical problem, the Raymond mill grinding roller shaft with the air sealing structure provided by the utility model comprises a bearing seat, one side of the bearing seat is rotatably connected with a bearing, the other side of the bearing penetrates through the bearing seat and extends to the other side of the bearing seat, a rotating shaft is fixedly connected inside the bearing, one end of the rotating shaft is fixedly connected with a grinding roller, the top and the bottom of one side of the bearing seat are both connected with protective covers in a sliding way, a sealing structure is arranged between the two protective covers, the sealing structure comprises a sealing sleeve, an inclined sealing washer is fixedly connected with the inner surface of the sealing sleeve, an insertion groove is formed in the outer surface of the sealing sleeve, two clamping grooves are formed in the outer surface of the sealing sleeve and located on two sides of the insertion groove, and two locking assemblies are arranged between one sides of the two protective covers;

through seal structure's setting, be convenient for seal the position between protection casing and the axis of rotation for in the dust is not convenient for get into the bearing, can further reduce the wearing and tearing of bearing, improve the life-span of bearing, set up through the slope of slope seal ring moreover, not only further improved blockking of dust, the follow-up gaseous entering of being convenient for moreover has one-way function of blowing, through one-way setting of blowing and seal structure, has increaseed sealed effect.

Preferably, the locking assembly includes a fixing plate fixed to one side of one of the protection covers and a chucking plate fixed to one side of the other protection cover.

Preferably, the top of the fixed plate is rotatably connected with a movable rod, the outer surface of the top end of the movable rod is fixedly connected with two clamping blocks, and an anastomosis groove is formed in the clamping plate.

Preferably, the side surfaces of the two protective covers are provided with arc-shaped openings, the inner surfaces of the two arc-shaped openings are fixedly connected with inserting blocks, and the front surfaces and the back surfaces of the two inserting blocks are fixedly connected with clamping blocks.

Preferably, the opposite side of bearing frame is provided with the air inlet cover, the blow vent has all been seted up to the top and the bottom of one side of bearing frame, two the blow vent all with the inside intercommunication of air inlet cover.

Preferably, the outer surface of the other end of the rotating shaft is fixedly connected with a backing ring, and one side of the backing ring is fixedly connected with a limiting block.

Preferably, the other end of the rotating shaft is in threaded connection with a fixing cap, and a fan assembly is arranged between the backing ring and the fixing cap.

Preferably, the fan assembly comprises a connecting sleeve sleeved on the outer surface of the rotating shaft, fan blades are fixedly connected to the outer surface of the connecting sleeve, and two limiting grooves are formed in the inner surface of the connecting sleeve.

Compared with the prior art, the utility model provides a lei meng mill grinding roller axle with airtight structure has following beneficial effect:

the utility model provides a raymond mill roller with airtight structure, setting through seal structure well seal cover, can wrap up the surface of axis of rotation, and then seal the position between protection casing and the axis of rotation, make the dust be not convenient for get into in the bearing, and the slope through slope seal ring sets up, not only further the stopping of dust has been improved, and be convenient for gaseous discharge, and because the setting of slope seal ring slope, the gas of roller position can not enter into the inside of protection casing, the function that has one-way blowing, through one-way blowing and seal structure's setting, sealed effect has been strengthened.

Drawings

Fig. 1 is a schematic structural view of a roller shaft of a raymond mill having an airtight structure according to a preferred embodiment of the present invention;

FIG. 2 is a schematic structural view of the seal structure shown in FIG. 1;

figure 3 is a cross-sectional view of the construction of the gland shown in figure 2;

FIG. 4 is a schematic structural view of the fan assembly shown in FIG. 1;

FIG. 5 is a side view of the shield shown in FIG. 1;

fig. 6 is a structural exploded view of the locking assembly shown in fig. 1.

Reference numbers in the figures: 1. a bearing seat; 2. a bearing; 3. a rotating shaft; 4. grinding the roller; 5. a protective cover; 51. an arc-shaped opening; 52. inserting a block; 53. a clamping block; 6. a sealing structure; 61. sealing sleeves; 62. tilting the sealing gasket; 63. inserting the groove; 64. a card slot; 7. a locking assembly; 71. a fixing plate; 72. a chucking plate; 73. a movable rod; 74. a clamping block; 75. an anastomosis groove; 8. an air inlet cover; 9. a vent; 10. a backing ring; 11. a limiting block; 12. a fixing cap; 13. a fan assembly; 131. connecting sleeves; 132. a fan blade; 133. a limiting groove.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6 in combination, in which fig. 1 is a schematic structural view illustrating a roller shaft of a raymond mill with an airtight structure according to a preferred embodiment of the present invention; FIG. 2 is a schematic structural view of the seal structure shown in FIG. 1; figure 3 is a cross-sectional view of the construction of the gland shown in figure 2; FIG. 4 is a schematic structural view of the fan assembly shown in FIG. 1; FIG. 5 is a side view of the shield shown in FIG. 1; fig. 6 is a structural exploded view of the locking assembly shown in fig. 1. The Raymond mill roller shaft with the air sealing structure comprises a bearing seat 1, one side of the bearing seat 1 is rotatably connected with a bearing 2, the other side of the bearing 2 penetrates the bearing seat 1 and extends to the other side of the bearing seat 1, a rotating shaft 3 is fixedly connected inside the bearing 2, one end of the rotating shaft 3 is fixedly connected with a grinding roller 4, the top and the bottom of one side of the bearing seat 1 are both connected with protective covers 5 in a sliding way, a sealing structure 6 is arranged between the two protective covers 5, the sealing structure 6 comprises a sealing sleeve 61, an inclined sealing gasket 62 is fixedly connected with the inner surface of the sealing sleeve 61, an insertion groove 63 is formed in the outer surface of the sealing sleeve 61, two clamping grooves 64 are formed in the outer surface of the sealing sleeve 61, the two clamping grooves 64 are located on two sides of the insertion groove 63, and two locking assemblies 7 are arranged between one sides of the two protective covers 5;

through seal structure 6's setting, be convenient for seal the position between protection casing 5 and the axis of rotation 3, make the dust be not convenient for get into in the bearing 2, can further reduce the wearing and tearing of bearing 2, improve the life-span of bearing 2, and the slope through slope seal ring 62 sets up, not only further improved blockking of dust, the follow-up gaseous entering of being convenient for moreover has the function of one-way blowing, through the setting of one-way blowing and seal structure, sealed effect has been strengthened.

The locking assembly 7 includes a fixing plate 71 fixed to one side of one of the protection covers 5 and a chucking plate 72 fixed to one side of the other protection cover 5.

The top of the fixed plate 71 is rotatably connected with a movable rod 73, the outer surface of the top end of the movable rod 73 is fixedly connected with two clamping blocks 74, and an engaging groove 75 is formed in the clamping plate 72;

insert the inside identical groove 75 of chucking board 72 through two chucking pieces 74, cooperate rotatory chucking piece 74 again, will make chucking piece 74 and chucking board 72 crisscross spacing, and then improved the stability behind the combination of two protection casings 5, the installation of two protection casings 5 of not only being convenient for is convenient for moreover to the dismantlement of protection casing 5, and then makes things convenient for the maintenance and the nursing of staff to the bearing.

The side surfaces of the two protective covers 5 are provided with arc-shaped openings 51, the inner surfaces of the two arc-shaped openings 51 are fixedly connected with insertion blocks 52, and the front surfaces and the back surfaces of the two insertion blocks 52 are fixedly connected with clamping blocks 53;

the arc-shaped opening 51 is used for matching the outer surface of the rotating shaft 3, the inserting block 52 is inserted into the inserting groove 63 of the sealing sleeve 61, and the clamping block 53 is inserted into the clamping groove 64, so that the stability of connection between the protective cover 5 and the sealing structure 6 is ensured.

An air inlet cover 8 is arranged on the other side of the bearing seat 1, air vents 9 are formed in the top and the bottom of one side of the bearing seat 1, and the two air vents 9 are communicated with the inside of the air inlet cover 8;

through the setting of air inlet cover 8, the better inside that enters into protection casing 5 through vent 9 of being convenient for gas.

A backing ring 10 is fixedly connected to the outer surface of the other end of the rotating shaft 3, and a limiting block 11 is fixedly connected to one side of the backing ring 10;

through the setting of backing ring 10, be convenient for to the left spacing of fan assembly 13, through the setting of stopper 11, be convenient for to the control of fan assembly 13 direction of rotation, uniformity when guaranteeing to rotate between the two.

The other end of the rotating shaft 3 is in threaded connection with a fixing cap 12, and a fan assembly 13 is arranged between the backing ring 10 and the fixing cap 12;

the fan assembly 13 sleeved on the rotating shaft is convenient to fix through the arrangement of the fixing cap 12.

The fan assembly 13 comprises a connecting sleeve 131 sleeved on the outer surface of the rotating shaft 3, the outer surface of the connecting sleeve 131 is fixedly connected with fan blades 132, and two limiting grooves 133 are formed in the inner surface of the connecting sleeve 131;

through the cover of adapter sleeve 131 at the surface of axis of rotation 3, during spacing groove 133 was inserted to rethread stopper 11, it is spacing, the rotation of the axis of rotation 3 of being convenient for can drive fan assembly 13 and rotate, and fan assembly 13's rotation just can produce the air current, and rethread vent 9 enters into the inside of protection casing 5, and then discharges in the clearance through seal cover 61 and axis of rotation 3, increases dirt-proof effect.

The utility model provides a lei meng mill grinding roller axle with airtight structure's theory of operation as follows:

through the arrangement of the sealing sleeve 61 in the sealing structure 6, the outer surface of the rotating shaft 3 can be wrapped, and the position between the protective cover 5 and the rotating shaft 3 is sealed, so that dust is not convenient to enter the bearing 2;

the fan assembly 13 can be driven to rotate through the rotation of the rotating shaft 3, airflow can be generated through the rotation of the fan assembly 13, the generated airflow can enter a cavity formed by the two protective covers 5 through the vent 9, and finally the generated airflow blows the grinding roller through the position of the sealing structure 6, dust is prevented from entering the inner parts of the protective covers 5 due to the blocking of the air, and the grinding roller 4 rotates, so that the fan assembly 13 can work;

and through the slope setting of slope seal ring 62, not only further improved blockking of dust, the gaseous discharge of being convenient for moreover, and because the setting of slope, the gaseous inside that can not enter into protection casing 5 of grinding roller position has the one-way function of blowing, through the one-way setting of blowing and seal structure 6, has increaseed sealed effect.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides a Raymond mill roll axle with airtight structure, includes bearing frame (1), its characterized in that: one side of the bearing seat (1) is rotatably connected with a bearing (2), the other side of the bearing (2) penetrates through the bearing seat (1) and extends to the other side of the bearing seat (1), a rotating shaft (3) is fixedly connected inside the bearing (2), a grinding roller (4) is fixedly connected to one end of the rotating shaft (3), the top and the bottom of one side of the bearing seat (1) are both slidably connected with a protective cover (5), a sealing structure (6) is arranged between the two protective covers (5), the sealing structure (6) comprises a sealing sleeve (61), an inclined sealing washer (62) is fixedly connected to the inner surface of the sealing sleeve (61), an insertion groove (63) is formed in the outer surface of the sealing sleeve (61), two clamping grooves (64) are formed in the outer surface of the sealing sleeve (61), and the two clamping grooves (64) are positioned on two sides of the insertion groove (63), two locking assemblies (7) are arranged between one sides of the two protective covers (5).

2. The roller for a Raymond mill with hermetic sealing according to claim 1, characterized in that said locking assembly (7) comprises a fixing plate (71) fixed to one of the shields (5) and a clamping plate (72) fixed to the other shield (5).

3. The roller shaft of Raymond mill with the airtight structure is characterized in that a movable rod (73) is rotatably connected to the top of the fixed plate (71), two clamping blocks (74) are fixedly connected to the outer surface of the top end of the movable rod (73), and an engaging groove (75) is formed in the clamping plate (72).

4. The Raymond mill roll shaft with the air sealing structure as claimed in claim 1, characterized in that the two protection covers (5) are provided with arc-shaped openings (51) at the side surfaces, the inner surfaces of the two arc-shaped openings (51) are fixedly connected with insertion blocks (52), and the front surfaces and the back surfaces of the two insertion blocks (52) are fixedly connected with fixture blocks (53).

5. The Raymond mill roll shaft with the air sealing structure as claimed in claim 1, characterized in that an air inlet cover (8) is arranged on the other side of the bearing seat (1), air vents (9) are respectively arranged at the top and the bottom of one side of the bearing seat (1), and both air vents (9) are communicated with the inside of the air inlet cover (8).

6. The roller shaft of Raymond mill with airtight structure, characterized in that the outer surface of the other end of the rotating shaft (3) is fixedly connected with a backing ring (10), and one side of the backing ring (10) is fixedly connected with a limit block (11).

7. The Raymond mill roll shaft with airtight structure of claim 6 characterized in that the other end of the rotating shaft (3) is screw-connected with a fixing cap (12), and a fan assembly (13) is arranged between the backing ring (10) and the fixing cap (12).

8. The Raymond mill roll shaft with the air sealing structure as claimed in claim 7, characterized in that the fan assembly (13) comprises a connecting sleeve (131) sleeved on the outer surface of the rotating shaft (3), the outer surface of the connecting sleeve (131) is fixedly connected with fan blades (132), and the inner surface of the connecting sleeve (131) is provided with two limiting grooves (133).