CN213791971U

CN213791971U - Discharge end structure of ball mill

Info

Publication number: CN213791971U
Application number: CN202021878008.5U
Authority: CN
Inventors: 胡耀明; 汤历斌; 胡久志
Original assignee: Chizhou Shanli Molecular Sieve Co ltd
Current assignee: Chizhou Shanli Molecular Sieve Co ltd
Priority date: 2020-09-01
Filing date: 2020-09-01
Publication date: 2021-07-27
Anticipated expiration: 2030-09-01

Abstract

The utility model discloses a ball mill discharge end structure, including base, bearing frame, discharging pipe, ball mill main part, fender steel ring, screen cloth, support frame, filler bin, supplementary discharging pipe, gland, sealing filler, material powder starting and stopping mechanism, during the crocus, rotate the pull rod through the hand wheel until closure plate and setting up in the fender ring laminating on supplementary discharging pipe right side, when the ball mill main part is rotatory, the ball of its inboard is blocked by the screen cloth, the material is blocked by the closure plate, can not drop inside the supplementary discharging pipe; when powder is discharged, the pull rod is rotated by the hand wheel until the blocking plate moves to the left side of the negative pressure pipe, the material blocking steel ring, the auxiliary discharging pipe and the cavity of the negative pressure pipe are communicated, and the material can flow out through the negative pressure pipe. The device simple structure through the design of screen cloth and material powder on-off mechanism, prevents effectively that large granule material and ball from falling into the discharging pipe, improves the homogeneity of material and goes out powder efficiency, and simultaneously, the crocus is convenient with the mode conversion that goes out the powder, and is high-efficient.

Description

Discharge end structure of ball mill

Technical Field

The utility model relates to a ball mill especially relates to a ball mill discharge end structure.

Background

A process is grinding powder in the production process of a carbon molecular sieve, the specific process is to load materials into a horizontal ball mill main body, the ball mill main body rotates to drive balls, the materials are ground between the balls and the wall of the ball mill main body, the materials are ground into fine powder, the ball mill main body rotates in the process, the balls are taken to a high position, a small part of balls and the materials drop into a discharge pipe, the balls and the materials cannot participate in grinding powder, when the materials are prepared for discharge through ball grinding, the balls and the materials need to be cleaned out separately, the balls and the materials cannot be mixed with the ground materials, the diameter of the discharge pipe is 100mm, the materials in the discharge pipe are difficult to be completely discharged, the materials are prevented from being scraped, the materials are polluted, the fineness uniformity of the materials is influenced, and the product quality is finally influenced. Simultaneously, the powder mode adopts the draught fan as the power supply, connects through pipeline and discharging pipe, forms inside and outside pressure differential, and material and ball in the mill are taken out along with the air current, cause the discharging pipe to block up, need personnel manual clearance, lead to whole powder inefficiency. In view of the above disadvantages, it is desirable to design a discharge end structure for a ball mill.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ball mill discharge end structure, this ball mill discharge end structure pass through the design of screen cloth and material powder headstock gear, prevent effectively that large granule material and ball from falling into the discharging pipe, improve the homogeneity of material and go out powder efficiency.

In order to solve the technical problem, the technical scheme of the utility model is that: a ball mill discharge end structure comprises a base, a bearing seat, a discharge pipe and a ball mill main body, wherein the number of the bearing seats is 2, the bearing seats are symmetrically arranged along the left and right directions of the base, the discharge pipe penetrates through the bearing seat, the discharge pipe is in clearance fit with the bearing seat and is connected with the outer side of the discharge pipe, the ball mill main body is connected with the discharge pipe in a welding manner, the ball mill main body further comprises a material blocking steel ring, a screen mesh, a support frame, a filling bin, an auxiliary discharge pipe, a gland, a sealing filler and a material powder opening and closing mechanism, the material blocking steel ring is positioned at the inner side of the ball mill main body, the material blocking steel ring is connected with the ball mill main body in a welding manner, the screen mesh is positioned at the outer side of the material blocking steel ring, the screen mesh is connected with the material blocking steel ring in a welding manner, the support frame is positioned at the upper end of the base, the support frame is connected with the base through a bolt, and the filler bin is positioned at the upper end of the support frame, filler storehouse and support frame welding link to each other, supplementary discharging pipe run through filler storehouse and discharging pipe in proper order, supplementary discharging pipe link to each other and link to each other with filler storehouse welding and with discharging pipe clearance fit, the gland be located the discharging pipe outside and be located the filler storehouse outside, gland and filler storehouse pass through the bolt and link to each other, sealed packing be located between gland and the filler storehouse and be located the discharging pipe outside, material powder operating mechanism pass through the bolt with supplementary discharging pipe and link to each other.

The utility model discloses further improvement as follows:

furthermore, the auxiliary discharging pipe is also provided with a negative pressure pipe, the negative pressure pipe is positioned at the lower end of the left side of the auxiliary discharging pipe, and the negative pressure pipe is connected with the auxiliary discharging pipe in a welding mode.

Furthermore, supplementary discharging pipe still be equipped with and keep off the ring, keep off the ring and be located supplementary storage pipe right side, keep off the ring and link to each other with supplementary discharging pipe welding.

Further, material powder operating mechanism include apron, pull rod, closure plate, hand wheel, sealing washer, the apron be located supplementary discharging pipe left side, apron and supplementary discharging pipe pass through the bolt and link to each other, the pull rod run through the apron and insert in the supplementary discharging pipe, the pull rod link to each other with the apron screw thread, the closure plate be located supplementary discharging pipe inboard, closure plate and supplementary discharging pipe clearance fit link to each other and pass through the bolt with the pull rod and link to each other, the hand wheel be located the pull rod left side, hand wheel and pull rod screw thread link to each other, the sealing washer be located the closure plate outside, sealing washer and closure plate interference fit link to each other.

Furthermore, the pull rod still be equipped with the dog, the dog be located the pull rod right side and be located the closure plate right side, the dog link to each other and pass through the bolt with the closure plate with pull rod an organic whole.

Furthermore, the cover plate is also provided with a nut seat, the nut seat is positioned on the left side of the cover plate and is penetrated through by the pull rod, and the nut seat is connected with the cover plate in a welding mode and is connected with the pull rod in a threaded mode.

Compared with the prior art, the discharge end structure of the ball mill has the advantages that during grinding, the pull rod is rotated through the hand wheel until the blocking plate is attached to the blocking ring arranged on the right side of the auxiliary discharge pipe, when the ball mill body rotates, balls on the inner side of the ball mill body are blocked by the screen, and materials are blocked by the blocking plate and cannot fall into the auxiliary discharge pipe; when powder is discharged, the pull rod is rotated through the hand wheel until the blocking plate moves to the left side of the negative pressure pipe, the material blocking steel ring and the auxiliary discharging pipe are communicated with the cavity of the negative pressure pipe, the material can flow out through the negative pressure pipe, the cavity between the filling bin and the discharging pipe is filled with the sealing filler, the gland is used for compressing the sealing filler, the sealing filler is filled in the gap between the filling bin and the discharging pipe, reliable sealing can be realized when the discharging pipe rotates, and material leakage is prevented. The device simple structure through the design of screen cloth and material powder on-off mechanism, prevents effectively that large granule material and ball from falling into the discharging pipe, improves the homogeneity of material and goes out powder efficiency, and simultaneously, the crocus is convenient with the mode conversion that goes out the powder, and is high-efficient.

Drawings

Figure 1 shows a front view of the present invention

FIG. 2 is a partial enlarged view of the circle of FIG. 1 of the present invention

FIG. 3 shows the combination of the powder opening and closing mechanism of the present invention

In the figure: the ball mill comprises a base 1, a bearing seat 2, a discharge pipe 3, a ball mill body 4, a material blocking steel ring 5, a screen 6, a support frame 7, a filler bin 8, an auxiliary discharge pipe 9, a gland 10, a sealing filler 11, a material powder opening and closing mechanism 12, a negative pressure pipe 901, a baffle ring 902, a cover plate 1201, a pull rod 1202, a blocking plate 1203, a hand wheel 1204, a sealing ring 1205, a stop block 1206 and a nut seat 1207.

Detailed Description

As shown in fig. 1, 2 and 3, a discharge end structure of a ball mill comprises a base 1, bearing seats 2, a discharge pipe 3 and a ball mill main body 4, wherein the number of the bearing seats 2 is 2, the bearing seats are symmetrically arranged along the left and right directions of the base 1, the discharge pipe 3 penetrates through the bearing seats 2, the discharge pipe 3 is in clearance fit connection with the bearing seats 2, the ball mill main body 4 is positioned on the outer side of the discharge pipe 3, the ball mill main body 4 is connected with the discharge pipe 3 in a welding manner, the discharge end structure further comprises a material blocking steel ring 5, a screen 6, a support frame 7, a filling bin 8, an auxiliary discharge pipe 9, a gland 10, a sealing filler 11 and a material powder opening and closing mechanism 12, the material blocking steel ring 5 is positioned on the inner side of the ball mill main body 4, the material blocking steel ring 5 is connected with the ball mill main body 4 in a welding manner, the screen 6 is positioned on the outer side of the material blocking steel ring 5, the screen 6 is connected with the material blocking steel ring 5 in a welding manner, the inner wall of the joint of the ball mill main body 4 and the discharge pipe 3 is welded with a material stopping steel ring 5, an outlet of the material stopping steel ring 5 is welded with a screen 6, the screen is used for stopping balls and large-particle materials, so that the materials meeting the requirement can smoothly enter the material stopping steel ring 5 through the screen 6, the support frame 7 is positioned at the upper end of the base 1, the support frame 7 is connected with the base 1 through bolts, the filler bin 8 is positioned at the upper end of the support frame 7, the filler bin 8 is connected with the support frame 7 in a welding way, the auxiliary discharge pipe 9 sequentially penetrates through the filler bin 8 and the discharge pipe 3, the auxiliary discharge pipe 9 is connected with the filler bin 8 in a welding way and is in clearance fit connection with the discharge pipe 3, the gland 10 is positioned outside the discharge pipe 3 and outside the filler bin 8, the gland 10 is connected with the filler bin 8 through bolts, the sealing filler 11 is positioned between the gland 10 and the filler bin 8 and outside the discharge pipe 3, the powder opening and closing mechanism 12 is connected with the auxiliary discharging pipe 9 through bolts, the auxiliary discharging pipe 9 is further provided with a negative pressure pipe 901, the negative pressure pipe 901 is positioned at the lower end of the left side of the auxiliary discharging pipe 9, the negative pressure pipe 901 is connected with the auxiliary discharging pipe 9 in a welding manner, the auxiliary discharging pipe 9 is further provided with a baffle ring 902, the baffle ring 902 is positioned at the right side of the auxiliary discharging pipe 9, the baffle ring 902 is connected with the auxiliary discharging pipe 9 in a welding manner, the powder opening and closing mechanism 12 comprises a cover plate 1201, a pull rod 1202, a blocking plate 1203, a hand wheel 1204 and a sealing ring 1205, the cover plate 1201 is positioned at the left side of the auxiliary discharging pipe 9, the cover plate 1201 is connected with the auxiliary discharging pipe 9 through bolts, the pull rod 1202 penetrates through the cover plate 1201 and is inserted into the auxiliary discharging pipe 9, the pull rod 1202 is connected with the cover plate 1201 through threads, and the blocking plate 1203 is positioned at the inner side of the auxiliary discharging pipe 9, the ball mill discharge end structure comprises a blocking plate 1203, a pull rod 1202, a hand wheel 1204, a hand wheel 1202, a sealing ring 1205, a sealing ring 1203, a stopper 1206, a nut seat 1207, a pull rod 1202 and a nut seat 1207, wherein the blocking plate 1203 is in clearance fit with the auxiliary discharge pipe 9 and is connected with the pull rod 1202 through a bolt, the stopper 1206 is arranged on the right side of the pull rod 1202 and is positioned on the right side of the blocking plate 1203, the nut seat 1207 is welded with the cover plate 1201 and is connected with the pull rod 1202 through a bolt, the hand wheel 1204 is positioned on the left side of the pull rod 1202, the sealing ring 1205 is positioned on the outer side of the blocking plate 1203 in interference fit with the blocking plate 1203, the sealing ring 1205 is made of silicon rubber and is used for sealing the clearance between the blocking plate 1203 and the auxiliary discharge pipe 9, the cover plate 1201 is further provided with a nut seat 1207 which is positioned on the left side of the cover 1201 and is penetrated by the pull rod 1202, the nut seat 1207 is welded with the cover 1201 and is connected with the pull rod 1202 through a bolt, during grinding, the pull rod 1202 is rotated by the hand wheel 1204 until the blocking plate 1203 is attached to the baffle ring 902 arranged on the right side of the auxiliary discharge pipe 9, when the ball mill body 4 rotates, balls on the inner side of the ball mill body are blocked by the screen 6, and materials are blocked by the blocking plate 1203 and cannot fall into the auxiliary discharge pipe 9; when powder is discharged, the pull rod 1202 is rotated by the hand wheel 1204 until the blocking plate 1203 moves to the left side of the negative pressure pipe 901, the material blocking steel ring 5 and the auxiliary discharge pipe 9 are communicated with the cavity of the negative pressure pipe 901, the material can flow out through the negative pressure pipe 901, the sealing filler 11 is filled in the cavity between the filler bin 8 and the discharge pipe 3, the sealing filler 11 is compressed by the gland 10, the gap between the filler bin 8 and the discharge pipe 3 is filled by the sealing filler 11, reliable sealing can be realized when the discharge pipe 3 rotates, and material leakage is prevented. The device simple structure through the design of screen cloth and material powder on-off mechanism, prevents effectively that large granule material and ball from falling into the discharging pipe, improves the homogeneity of material and goes out powder efficiency, and simultaneously, the crocus is convenient with the mode conversion that goes out the powder, and is high-efficient.

The present invention is not limited to the above specific embodiments, and those skilled in the art can make various changes without creative labor from the above conception, and all the changes fall within the protection scope of the present invention.

Claims

1. A ball mill discharge end structure, includes base, bearing frame, discharging pipe, ball mill main part, bearing frame quantity be 2, along base left and right sides direction symmetrical arrangement, the discharging pipe run through the bearing frame, discharging pipe and bearing frame clearance fit link to each other, the ball mill main part be located the discharging pipe outside, the ball mill main part link to each other with the discharging pipe welding, its characterized in that still includes and keeps off material steel ring, screen cloth, support frame, filler storehouse, supplementary discharging pipe, gland, sealing filler, material powder operating mechanism, the fender material steel ring be located ball mill main part inboard, the fender material steel ring weld with ball mill main part link to each other, the screen cloth be located and keep off the material steel ring outside, the screen cloth with keep off material steel ring weld and link to each other, the support frame be located the base upper end, the support frame pass through the bolt with the base and link to each other, the filler storehouse be located the support frame upper end, filler storehouse and support frame welding link to each other, supplementary discharging pipe run through filler storehouse and discharging pipe in proper order, supplementary discharging pipe link to each other and link to each other with filler storehouse welding and with discharging pipe clearance fit, the gland be located the discharging pipe outside and be located the filler storehouse outside, gland and filler storehouse pass through the bolt and link to each other, sealed packing be located between gland and the filler storehouse and be located the discharging pipe outside, material powder operating mechanism pass through the bolt with supplementary discharging pipe and link to each other.

2. The ball mill discharge end structure according to claim 1, wherein the auxiliary discharge pipe is further provided with a negative pressure pipe, the negative pressure pipe is located at the lower left end of the auxiliary discharge pipe, and the negative pressure pipe is connected with the auxiliary discharge pipe in a welding manner.

3. The ball mill discharge end structure according to claim 1, wherein the auxiliary discharge pipe is further provided with a baffle ring, the baffle ring is positioned at the right side of the auxiliary storage pipe, and the baffle ring is connected with the auxiliary discharge pipe in a welding manner.

4. The discharge end structure of the ball mill according to claim 1, characterized in that the powder opening and closing mechanism comprises a cover plate, a pull rod, a blocking plate, a hand wheel and a sealing ring, the cover plate is positioned on the left side of the auxiliary discharge pipe, the cover plate is connected with the auxiliary discharge pipe through a bolt, the pull rod penetrates through the cover plate and is inserted into the auxiliary discharge pipe, the pull rod is connected with the cover plate through a thread, the blocking plate is positioned on the inner side of the auxiliary discharge pipe, the blocking plate is connected with the auxiliary discharge pipe through a clearance fit and is connected with the pull rod through a bolt, the hand wheel is positioned on the left side of the pull rod, the hand wheel is connected with the pull rod through a thread, the sealing ring is positioned on the outer side of the blocking plate, and the sealing ring is connected with the blocking plate through an interference fit.

5. The ball mill discharge end structure according to claim 4, characterized in that the pull rod is further provided with a stopper, the stopper is positioned at the right side of the pull rod and at the right side of the blocking plate, and the stopper is integrally connected with the pull rod and is connected with the blocking plate through a bolt.

6. The discharge end structure of the ball mill as claimed in claim 4, wherein the cover plate is further provided with a nut seat, the nut seat is positioned at the left side of the cover plate and is penetrated by the pull rod, and the nut seat is connected with the cover plate in a welding way and is connected with the pull rod in a threaded way.