CN215963919U - Upper end sealing structure of multi-shaft high-speed sand mill - Google Patents

Abstract

The utility model discloses an upper end sealing structure of a multi-shaft high-speed sand mill, which relates to the field of grinding mills and aims to solve the problem of short service life of a rotating bearing of a traditional grinding mill, and adopts the technical scheme that the upper end sealing structure comprises a positioning shell arranged on the top wall of a barrel body, a bearing shell is fixedly penetrated through the positioning shell, a rotating bearing is penetrated through the bearing shell, the rotating bearing is fixedly sleeved on an outer side cover of a stirring rod, one end, positioned in the bearing shell, of the outer side wall of the stirring rod is sleeved with a first dust ring, a first dust ring cover is arranged between the bearing shell and the outer side wall of the stirring rod, the first dust ring is divided into a first semi-ring and a second semi-ring along the diameter direction of the first dust ring, two ends, close to the second semi-ring, of the first semi-ring are respectively provided with a first connecting plate, two ends, close to the first semi-ring, of the second semi-ring are provided with a second connecting plate, and the first connecting plate and the second connecting plate are internally threaded and matched with a fixing bolt, the utility model achieves the effect of prolonging the service life of the rotating bearing.

Description

Upper end sealing structure of multi-shaft high-speed sand mill

Technical Field

The utility model relates to the technical field of grinding machines, in particular to an upper end sealing structure of a multi-shaft high-speed sand mill.

Background

At present, the sand mill is used for adding materials in a limited barrel space, and grinding the materials through a stirring rod and a steel ball, so that the volume of the materials in the barrel is further reduced until the materials in the barrel reach a target particle size.

The existing multi-shaft grinding machine comprises a barrel body, wherein a plurality of steel balls for grinding powder are arranged in the barrel body, one end of the barrel body is located on a base, a plurality of stirring rods are arranged in the barrel body, stirring rods are uniformly distributed on the stirring rods, a plurality of stirring rods are uniformly distributed along the height direction of the stirring rods, each stirring rod comprises a connecting rod which is arranged in the stirring rod in a threaded penetrating manner, a striking rod made of ceramic material is sleeved outside the connecting rod, the striking rod is made of ceramic with the hardness larger than that of the steel balls, a driven driving shaft for driving the stirring rods to rotate is arranged on the base, a positioning stirring rod position sealing device is arranged on the bottom wall of the barrel body, the sealing device comprises a positioning shell fixedly arranged on the top wall of the barrel body, one end of the stirring rod, which is far away from the base, is rotatably arranged in the positioning shell, a bearing shell which is sleeved on the stirring rod is arranged in the positioning shell, and a rotating bearing which is sleeved on the stirring rod is fixedly arranged on the inner side wall of the bearing shell; wear to be equipped with the location cover shell of parcel outside driven drive shaft in the base, the fixed cover of one end that the puddler was kept away from to driven drive shaft is equipped with driven gear, and the one side that the staving was kept away from to the base is provided with and drives driven gear pivoted drive arrangement, drive arrangement rotates on fixing the motor including fixing the motor on the base and is provided with the driving shaft, fixed cover is equipped with the driving gear on the dwang, and driving gear meshing is between a plurality of driven gear, and when operating personnel need drive the puddler and rotate, as long as the starter motor, the motor passes through the driving shaft and drives the driving gear rotation, and the driving gear drives driven gear rotation can.

The above prior art solutions have the following drawbacks: liquid and material are filled in the barrel body, the stirring rod rotates, the liquid with the material can splash wantonly in the barrel body, and once the liquid with the material enters the rotating bearing through the space between the bearing shell cover and the stirring rod, the material can be abraded by the rotating bearing, the service life of the rotating bearing can be shortened, and the problem is solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an upper end sealing structure of a multi-shaft high-speed sand mill, which has the function of prolonging the service life of a rotating bearing.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a multiaxis high speed sand mill's upper end seal structure, is including setting up the location shell on the staving roof, the bearing housing is worn to be equipped with by the internal fixation of location shell, wear to be equipped with rolling bearing in the bearing housing, the fixed cover of rolling bearing is established on the puddler lateral wall, a pot head that the puddler lateral wall is located the bearing housing is equipped with first dust ring, first dust ring lid with between bearing housing and puddler lateral wall, first dust ring is split into first semi-ring and second semi-ring along its diameter direction, the both ends that first semi-ring is close to the second semi-ring are provided with first connecting plate respectively, the both ends that the second semi-ring is close to first semi-ring are provided with the second connecting plate, first connecting plate and second connecting plate female fit have the gim peg.

Through adopting above-mentioned technical scheme, first dust ring lid closes between bearing housing and puddler, and the material that splashes in the staving can be blocked by first dust ring when splashing to rolling bearing to play the effect that prevents that the debris of staving from splashing in the rolling bearing, and then play the effect that improves rolling bearing life.

Furthermore, first connecting plate and second connecting plate all set up the one side at first dust ring, first connecting plate and the setting of the first dust ring of the equal perpendicular to of second connecting plate, the fixed second dust ring that is provided with of one end that first dust ring was kept away from to first connecting plate and second connecting plate, second dust ring is the coincidence setting in the axis of first dust ring.

Through adopting above-mentioned technical scheme, first fender dirt circle upper cover has closed the second and keeps off the dirt circle, and the second keeps off the dirt circle and can first fender dirt circle leak the material that works as and block to play the effect that further prevents the material in the barrel and get into rolling bearing, and then play the effect that further improves rolling bearing life-span.

Furthermore, the second dust blocking ring is divided into a third half ring and a fourth half ring along the diameter direction of the second dust blocking ring, a first supporting plate is arranged between the third half ring and the first half ring, and a second supporting plate is arranged between the second half ring and the fourth half ring.

Through adopting above-mentioned technical scheme, first backup pad sets up between first semi-ring and third semi-ring, and the second backup pad sets up between second semi-ring and the fourth semi-ring to play the effect of fixed relative position between first dust ring and the second dust ring.

Furthermore, a positioning groove is formed in the outer side wall of the stirring rod, and the first dust blocking ring and the second dust blocking ring are sleeved in the positioning groove.

Through adopting above-mentioned technical scheme, the constant head tank can provide the impetus for first fender dirt circle and second fender dirt circle on the puddler to play and make things convenient for the effect of fixed first fender dirt circle and second fender dirt circle of operating personnel on the puddler.

Furthermore, positioning blocks are arranged at two ends of the first connecting plate and the second connecting plate in the height direction, positioning holes are formed in the positions, corresponding to the positioning blocks, of the first dust retaining ring and the second dust retaining ring, and the positioning blocks are arranged in the positioning holes in a penetrating mode.

Through adopting above-mentioned technical scheme, first connecting plate and second connecting plate need weld when in first dust ring and second dust ring, now insert the locating piece in the locating hole to play the effect of tentatively fixing first connecting plate and second connecting plate on first dust ring and second dust ring.

Further, the both ends of first backup pad and second backup pad direction of height all are provided with the welding piece, welding hole has been seted up to the position that first dust ring and second dust ring correspond the welder piece.

Through adopting above-mentioned technical scheme, when needing fixed first backup pad and second backup pad on first fender dirt circle and second fender dirt circle, can insert the welding block earlier in the welding hole, will weld the block earlier insert the welding hole can to play and keep off the preliminary fixed first backup pad and the second backup pad effect of dirt circle and second fender dirt circle.

Furthermore, both sides of the width direction of the positioning groove are arranged in a rounded shape.

By adopting the technical scheme, the width of the positioning groove is enlarged to a certain extent by the positioning groove after the fillet is rounded, so that the effect of conveniently sleeving the first dust blocking ring and the second dust blocking ring in the positioning groove is achieved.

In conclusion, the beneficial technical effects of the utility model are as follows:

1. the first dust collecting plate and the second dust baffle are adopted, so that the effect of prolonging the service life of the rotating bearing is achieved;

2. the first half ring, the second half ring, the first connecting plate, the second connecting plate and the fixing bolt are adopted, so that the effect of conveniently sleeving the first dust guard plate on the stirring rod is achieved;

3. the first supporting plate and the second supporting plate are adopted, so that the effect of fixing the relative positions of the first dust baffle and the second dust baffle is achieved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the inside of the barrel body according to the present invention;

FIG. 3 is a schematic view of the structure at the base of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 2;

FIG. 5 is a schematic cross-sectional view of the bearing shell of the present invention;

FIG. 6 is an enlarged view of the portion B of FIG. 5;

fig. 7 is an exploded view of the first dust ring and the second dust ring of the present invention.

In the figure, 1, a barrel body; 11. a base; 12. a sealing device; 13. a positioning shell; 14. a bearing housing; 15. a rotating bearing; 16. a drive device; 17. a motor; 18. a drive shaft; 19. a driving gear; 2. a stirring rod; 21. a stirring rod; 22. a driven drive bearing; 23. positioning the casing; 24. a driven gear; 25. positioning a groove; 3. a first dust ring; 31. a first half ring; 32. A second half ring; 33. a second connecting plate; 34. a first connecting plate; 35. a fixing bolt; 36. positioning blocks; 37. positioning holes; 4. a second dust retaining ring; 41. a third half ring; 42. a first support plate; 43. welding the blocks; 44. welding the hole; 45. a fourth half ring; 46. a second support plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, the upper end sealing structure of the multi-shaft high-speed sand mill disclosed by the utility model comprises a base 11, a barrel body 1 is arranged on the base 11, the barrel body 1 is cylindrical and hollow, the barrel body 1 is integrally arranged into two layers, three stirring rods 2 are arranged on the base 11, plane connecting lines of the three stirring rods 2 are arranged in an equilateral triangle, a driving device 16 is arranged on one surface of the base 11, which is far away from the stirring rods 2, the driving device 16 comprises a motor 17 fixed on the base 11, an operator can indirectly control the rotation of the stirring rods 2 through the motor 17, when the operator needs to grind powder in the barrel body 1, the motor 17 is started, the motor 17 drives the stirring rods 2 to rotate, and the stirring rods 2 impact powder particles in the barrel body 1.

Referring to fig. 2 and fig. 3, it is provided with driving shaft 18 to rotate on the motor 17, fixed cover is equipped with driving gear 19 on the driving shaft 18, the position that corresponds puddler 2 in the base 11 runs through and is provided with driven drive shaft, puddler 2 is close to the one end of base 11 and fixes on driven drive shaft, driven drive shaft keeps away from 2 one end lateral wall covers of puddler and is equipped with driven gear 24, and three driven gear 24 meshes with driving gear 19 respectively, the fixed location cover shell 23 that is provided with in the one side of puddler 2 is kept away from at base 11 in order to fix driven drive shaft's position, the fixed cover shell 23 cover that is established on driven drive shaft in the location, when operating personnel need drive puddler 2 and rotate, as long as start motor 17, motor 17 drives driving gear 19 and rotates, driving gear 19 drives driven gear 24 rotates, driven gear 24 drive puddler 2 can.

Referring to fig. 2 and 4, the top wall of the barrel body 1 is provided with a sealing device 12, the sealing device 12 comprises a positioning shell 13 fixed on the top wall of the barrel body 1, a bearing shell 14 penetrates through the positioning shell 13, a rotating bearing 15 is fixedly arranged in the bearing shell 14, the rotating bearing 15 is fixedly sleeved at one end of the stirring rod 2, and an annular positioning groove 25 is formed in one end, close to the rotating bearing 15, of the outer side wall of the stirring rod 2.

Referring to fig. 5 and 6, a first dust guard and a second dust guard are sleeved in the positioning groove 25, the first dust guard and the second dust guard are annularly arranged, and the first dust guard and the second dust guard cover in a gap between the bearing shell 14 and the stirring rod 2.

Referring to fig. 7, in order to facilitate the first dust guard and the second dust guard to be fitted in the positioning groove 25, the first dust guard is divided into a first half ring 31 and a second half ring 32 along the diameter direction thereof, first connecting plates 34 are welded to both ends of the first half ring 31 close to the second half ring 32, second connecting plates 33 are welded to both ends of the second half ring close to the first half ring 31, the first connecting plates 34 and the second connecting plates 33 are welded to the same surface of the first dust guard, second dust guards are provided to both surfaces of the first connecting plates 34 and the second connecting plates 33 far from the first dust guard, the second dust guard is divided into a third half ring 41 and a fourth half ring 45 along the diameter direction thereof, the third half ring 41 is provided corresponding to the first half ring 31, the second half ring 32 is provided corresponding to the fourth half ring 45, when the first dust guard and the second dust guard are to be placed in the positioning groove 25, the first half ring 31 and the third half ring 41 and the second half ring 32 and the fourth half ring 45 welded together are spliced in the positioning groove 25, then, the fixing bolt 35 is threaded through the first connecting plate 34 and the second connecting plate 33.

Referring to fig. 7, in order to primarily fix the first and second connection plates 34 and 33 in the first and second dust guard plates, positioning holes 37 are formed in the first and second dust guard plates, positioning blocks 36 are provided at both ends of the first and second connection plates 34 and 33, when the first and second connection plates 34 and 33 are installed in the first and second dust guard plates, the positioning blocks 36 are inserted into the positioning holes 37, a first support plate 42 is provided between the first and third half rings 31 and 41 in order to fix the relative positional relationship between the first and third half rings 31 and 41, a second support plate 46 is provided between the second and fourth half rings 32 and 45 in order to fix the relative positional relationship between the second and fourth half rings 32 and 45, support plates are provided at both ends of the support plates in order to primarily fix the first and second dust guard plates, and welding blocks 43 are provided at both ends of the support plates, welding holes 44 for the welding blocks 43 to penetrate are formed in the first dust guard plate and the second dust guard plate.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered by the protection scope of the utility model.

Claims (7)

1. The utility model provides a high-speed sand mill's of multiaxis upper end seal structure, is including setting up location shell (13) on staving (1) roof, bearing housing (14) are worn to be equipped with by location shell (13) internal fixation, rotating bearing (15) are worn to be equipped with in bearing housing (14), rotating bearing (15) fixed cover is established on puddler (2) lateral wall, its characterized in that: one pot head that puddler (2) lateral wall is located bearing housing (14) is equipped with first dust ring (3), first dust ring (3) lid closes between the bearing housing (14) body and puddler (2) lateral wall, first dust ring (3) are cut apart into first semi-ring (31) and second semi-ring (32) along its diameter direction, the both ends that first semi-ring (31) are close to second semi-ring (32) are provided with first connecting plate (34) respectively, the both ends that second semi-ring (32) are close to first semi-ring (31) are provided with second connecting plate (33), first connecting plate (34) and second connecting plate (33) interior screw-thread fit have gim peg (35).

2. The upper end seal structure of a multi-shaft high-speed sander according to claim 1, wherein: first connecting plate (34) and second connecting plate (33) all set up the one side in first dust ring (3), first connecting plate (34) and the setting of the first dust ring (3) of the equal perpendicular to of second connecting plate (33), the one end that first dust ring (3) was kept away from in first connecting plate (34) and second connecting plate (33) is fixed and is provided with second dust ring (4), second dust ring (4) is the coincidence setting with the axis of first dust ring (3).

3. The upper end seal structure of a multi-shaft high-speed sander according to claim 2, wherein: the second dust blocking ring (4) is divided into a third half ring (41) and a fourth half ring (45) along the diameter direction of the second dust blocking ring, a first supporting plate (42) is arranged between the third half ring (41) and the first half ring (31), and a second supporting plate (46) is arranged between the second half ring (32) and the fourth half ring (45).

4. The upper end seal structure of a multi-shaft high-speed sander according to claim 3, wherein: the outer side wall of the stirring rod (2) is provided with a positioning groove (25), and the first dust blocking ring (3) and the second dust blocking ring (4) are sleeved in the positioning groove (25).

5. The upper end seal structure of a multi-shaft high-speed sander according to claim 4, wherein: positioning blocks (36) are arranged at two ends of the first connecting plate (34) and the second connecting plate (33) in the height direction, positioning holes (37) are formed in the positions, corresponding to the positioning blocks (36), of the first dust blocking ring (3) and the second dust blocking ring (4), and the positioning blocks (36) penetrate through the positioning holes (37).

6. The upper end seal structure of a multi-shaft high-speed sander according to claim 5, wherein: both ends of first backup pad (42) and second backup pad (46) direction of height all are provided with welding piece (43), welding hole (44) have been seted up to the position that first fender dirt circle (3) and second fender dirt circle (4) correspond the welding machine piece.

7. The upper end seal structure of a multi-shaft high-speed sander according to claim 6, wherein: the two sides of the width direction of the positioning groove (25) are in a fillet shape.

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