Combined ball mill feeding sealing device

Abstract

The utility model discloses a feeding sealing device of a combined ball mill, which is characterized in that a sealing taper sleeve with a conical surface at the tail end is arranged outside a feeding short pipe, and the sealing taper sleeve is connected with an adjusting bolt on the feeding short pipe; the position of the sealing taper sleeve can be adjusted through an adjusting bolt; an adjusting washer is arranged between the adjusting bolt and the sealing taper sleeve and used for dispersing the adjusting force of the adjusting bolt and preventing the sealing taper sleeve from being damaged; the sealing taper sleeve and the material lifting rotating bucket are connected with a sealing rubber mat through a second connecting bolt and a pressing gasket, and the material lifting rotating bucket is fixed to the feeding port. The utility model adopts conical surface sealing and the lifting rotating bucket to discharge ore in advance, effectively solves the problem of ore leakage of the traditional ball mill, and has the advantages of convenience in installation, simple structure and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to a combined ball mill feeding sealing device belongs to ball mill feeding sealing technical field. BACKGROUND

[0002] At present, the demand of industrial field for high efficiency, durability and environmental protection equipment is increasing. In the daily operation of the ball mill, the feeding sealing device as the key component for preventing material leakage, ensuring the production environment clean and prolonging the service life of the equipment, its performance directly affects the efficiency and stability of the whole production line. The traditional feeding sealing device often has the problem of leakage due to design limitations, fast material wear and other problems, which is difficult to meet the high standard requirements of modern industry for high efficiency production, low maintenance cost and environmental protection, and seriously endangers the service life of the ball mill main bearing. SUMMARY

[0003] The utility model aims at overcoming the deficiency of prior art and provides a combined ball mill feeding sealing device.

[0004] The utility model provides a technical scheme as follows: a combined ball mill feeding sealing device, it includes feeding port, its characterized in being still including feeding short pipe, the outer of feeding short pipe is equipped with the sealing cone sleeve of end setting taper face, sealing cone sleeve and the adjusting bolt on feeding short pipe are connected, adjusting screw bolt and sealing cone sleeve between being equipped with adjusting washer, sealing cone sleeve and the lifting rotary bucket between through second connecting bolt and compression washer connect sealing rubber pad, lifting rotary bucket is fixed on the feeding port.

[0005] Further, the feeding short pipe includes a steel sleeve, one end of the steel sleeve is connected with a fixed flange in an integrated manner, the other end is in a half-split structure, an adjusting flange is arranged outside the steel sleeve, and an adjusting bolt is connected to the adjusting flange through a bolt hole; a wear-resistant lining is arranged inside the steel sleeve.

[0006] Further, the lifting rotary bucket includes a lifting bucket body, one end of the lifting bucket body is connected with a connecting flange in an integrated manner, the connecting flange is in an annular structure, a bolt hole is arranged outside the connecting flange, and the feeding port is connected through a first connecting bolt; a stop is arranged in the middle of the connecting flange and matched with a stop of the feeding port; the other end of the lifting bucket body is connected with a conical gasket plate matched with the sealing cone sleeve, the conical gasket plate is in an annular structure, a taper surface is arranged inside the conical gasket plate, and the taper surface has the same angle as the taper surface of the sealing cone sleeve; a sealing rubber pad is arranged between the conical gasket plate and the sealing cone sleeve and matched with the conical gasket plate; a plurality of lifting spoon bodies are evenly arranged inside the lifting bucket body.

[0007] Further, the taper surface of the sealing cone sleeve has an angle of 30°-60°.

[0008] The utility model discloses a beneficial effect: the utility model discloses a feeding short pipe, and the feeding short pipe is equipped with the sealing cone sleeve of the cone surface of the end, and the sealing cone sleeve can adjust the position through the adjusting bolt, adjusting washer is equipped between adjusting bolt and sealing cone sleeve, is used for dispersing adjusting bolt adjusting force, prevents damaging sealing cone sleeve, and sealing cone sleeve is connected sealing rubber pad through second connecting bolt and compression packing ring between the lifting rotary bucket, guarantees the sealing property of sealing cone sleeve and lifting rotary bucket. The one end of the steel sleeve pipe of the feeding short pipe is half cut structure, and the wear -resisting inner lining is arranged in, and the steel sleeve pipe guarantees the structural rigidity of the feeding short pipe, and the wear -resisting inner lining improves the wear resistance of the feeding short pipe, prolongs the life, and the half cut structure is beneficial to the pulp of lifting rotary bucket lifting and being discharged into the feeding short pipe. The lifting rotary bucket includes lifting hopper body, and the lifting hopper body is connected with the conical gasket matched with sealing cone sleeve, and the conical gasket is annular structure, and the inside is provided with the cone surface, and the cone surface angle is same with the cone surface angle of sealing cone sleeve, and the sealing rubber pad is arranged between the conical gasket and sealing cone sleeve, and is matched with the conical gasket, and the lifting spoon body of uniform distribution is arranged in the lifting hopper body. When the lifting rotary bucket rotates, the pulp that enters can be lifted to a certain height and be discharged into the feeding short pipe. The cone surface angle of sealing cone sleeve is 30 ° ~ 60 °, and the radial and axial sealing can be better realized.

[0009] The utility model discloses a half cut structure feeding short pipe and lifting rotary bucket constitute first heavy seal, and the pulp that enters the sealing device is lifted to the feeding short pipe and enters the ball mill cylinder with the feeding pulp, and the ore is prearranged, and the pulp that enters second heavy seal is reduced. The fixed sealing cone sleeve and the rotating adjusting washer constitute second heavy seal, and higher sealing effect is realized. After long time use, sealing cone sleeve and adjusting washer can be adjusted position through the rotating adjusting bolt, and then make the sealing surface fit more closely, ensure the sealing effect, prolong the life, and the structure is easy to disassemble and maintain.

[0010] The utility model discloses a cone surface sealing and the ore of lifting rotary bucket prearrangement effectively solve the problem of ball mill feeding port leakage, and has the advantages of convenient installation, simple structure and the like. ACCURACY OF DRAWINGS

[0011] Fig. 1 It is the structure schematic drawing of the utility model;

[0012] Fig. 2 The utility model discloses the structure schematic diagram of the feeding short pipe;

[0013] Fig. 3 The utility model discloses the structure schematic diagram of the lifting rotary bucket;

[0014] In the diagram: 1. Feeding short pipe, 11. Fixed flange, 12. Steel sleeve, 13. Adjusting flange, 14. Wear-resistant liner, 2. Adjusting bolt, 3. Sealing cone sleeve, 4. Adjusting washer, 5. Pressing washer, 6. Sealing gasket, 7. Lifting hopper, 71. Conical pad, 72. Lifting spoon body, 73. Lifting hopper body, 74. Connecting flange, 8. Feeding port, 9. First connecting bolt, 10. Second connecting bolt. Detailed Implementation

[0015] The specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings:

[0016] like Figs. 1-3 As shown, a combined ball mill feeding sealing device includes a feeding short pipe 1, and a sealing cone sleeve 3 is installed on the outside of the feeding short pipe 1. The sealing cone sleeve 3 is made of wear-resistant rubber or polyurethane and other wear-resistant materials, and its end is provided with a cone surface with a cone angle of 30°~60°.

[0017] The sealing cone sleeve 3 can be adjusted in position by rotating the adjusting bolt 2 on the feed short pipe 1; the adjusting washer 4 is placed between the adjusting bolt 2 and the sealing cone sleeve 3 to distribute the adjusting force of the adjusting bolt and prevent damage to the sealing cone sleeve 3. The sealing gasket 6, which matches the sealing cone sleeve 3, is fixed to the lifting hopper 7 by the second connecting bolt 10 and the clamping washer 5; the lifting hopper 7 is fixed to the feed port 8 by the first connecting bolt 9. The sealing gasket 6 is made of wear-resistant rubber or polyurethane and other wear-resistant materials.

[0018] like Fig. 2 As shown, the feeding short pipe 1 includes a fixed flange 11, a steel sleeve 12, an adjusting flange 13, and a wear-resistant liner 14; one end of the steel sleeve 12 is integrally connected to the fixed flange 11, and the other end has a semi-section structure; the fixed flange 11 is used to fix the feeding short pipe 1, and bolt holes are provided on it; the adjusting flange 13 is provided on the outside of the steel sleeve 12, and bolt holes are provided on it for installing adjusting bolts 2; the wear-resistant liner 14 is provided inside the steel sleeve 12, and the material is made of wear-resistant rubber or polyurethane and other wear-resistant materials.

[0019] like Fig. 3 As shown, the material lifting hopper 7 includes a conical pad 71, a material lifting spoon 72, a material lifting hopper body 73, and a connecting flange 74. One end of the material lifting hopper body 73 is integrally connected to the connecting flange 74. The connecting flange 74 has an annular structure with bolt holes on the outside and is connected to the feed inlet 8 via a first connecting bolt 9. A stop is provided in the middle of the connecting flange 74, which mates with the stop of the feed inlet 8. The other end of the material lifting hopper body 73 is connected to a conical pad 71 that matches the sealing cone sleeve 3. The conical pad 71 has an annular structure with a conical surface inside, and the angle of the conical surface is the same as the angle of the conical surface of the sealing cone sleeve 3. A sealing gasket 6 is provided between the conical pad 7 and the sealing cone sleeve 3 and matches the conical pad 7. Several material lifting spoons 72 are evenly distributed inside the material lifting hopper body 73.

[0020] It should be understood that parts of the specification not specifically described in detail are part of the prior art. The above examples only describe the preferred embodiments of the utility model, and do not limit the scope of the utility model. Without departing from the design spirit of the utility model, various modifications and improvements of the technical solutions of the utility model made by ordinary engineering technicians in the field shall fall within the protection scope determined by the claims of the utility model.

Claims

1. A combined ball mill feed seal device comprising a feed port, characterized in that It also includes the feeding stub pipe, the feeding stub pipe is externally provided with the sealing cone sleeve with the cone surface at the end, the sealing cone sleeve is connected with the adjusting bolt on the feeding stub pipe; the adjusting gasket is arranged between the adjusting bolt and the sealing cone sleeve, the sealing cone sleeve and the lifting rotary bucket are connected through the second connecting bolt and the compression gasket and the sealing rubber gasket, and the lifting rotary bucket is fixed on the feeding port.

2. A combined ball mill feed seal device according to claim 1, characterized in that The feeding stub pipe comprises a steel sleeve, one end of the steel sleeve is connected with a fixed flange in an integrated manner, the other end is in a half-split structure, an adjusting flange is arranged outside the steel sleeve, and an adjusting bolt is connected through a bolt hole on the adjusting flange; and a wear-resistant inner lining is arranged inside the steel sleeve.

3. A combined ball mill feed seal device according to claim 1, characterized in that The lifting rotary bucket comprises a lifting bucket body, one end of the lifting bucket body is connected with a connecting flange in an integrated manner, the connecting flange is in an annular structure, a bolt hole is arranged outside the connecting flange, and the feeding port is connected through a first connecting bolt; a stop is arranged in the middle of the connecting flange and is matched with the stop of the feeding port; the other end of the lifting bucket body is connected with a conical gasket matched with the sealing cone sleeve, the conical gasket is in an annular structure, a conical surface is arranged inside the conical gasket, and the angle of the conical surface is the same as that of the conical surface of the sealing cone sleeve; a sealing rubber gasket is arranged between the conical gasket and the sealing cone sleeve and is matched with the conical gasket; and a plurality of lifting spoon bodies are evenly arranged in the lifting bucket body.

4. A combined ball mill feed seal apparatus as claimed in claim 1, wherein The angle of the conical surface of the sealing cone sleeve is 30°-60°.

Images