CN113786905B

CN113786905B - Cement raw material ball mill

Info

Publication number: CN113786905B
Application number: CN202111089603.XA
Authority: CN
Inventors: 不公告发明人
Original assignee: Jiande Hongshi Cement Co ltd
Current assignee: Tonglu Hongshi Cement Co ltd
Priority date: 2021-09-17
Filing date: 2021-09-17
Publication date: 2022-12-23
Anticipated expiration: 2041-09-17
Also published as: CN113786905A

Abstract

The invention belongs to the field of cement production, and relates to a cement raw material ball mill which comprises a shell, wherein a supporting and damping device is arranged on the shell and used for damping and supporting the whole device so as to reduce production noise and support the whole device, a ball mill wall is arranged in the middle of the upper side of the supporting and damping device, and a ball mill device is arranged in the ball mill wall and used for grinding cement raw material particles after primary crushing into powder. When cement ball milling is carried out, the production noise of equipment is reduced through the damping devices arranged inside and outside, the ball milling device is divided into cavities with different thicknesses, grading ball milling is realized, the ball feeding and conveying device is arranged to realize the functions of feeding balls and returning balls and changing balls under different conditions of positive and negative rotation of the equipment, the grinding balls are fully and efficiently utilized, the filter plate dismounting device is used for quickly drawing out the filter plate to dismount and replace, and the dismounting is convenient and the efficiency is high.

Description

Cement raw material ball mill

Technical Field

The invention belongs to the field of cement production, and particularly relates to a cement raw material ball mill.

Background

The ball mill is a device for further pulverizing the material after the material is primarily pulverized. Quantitative steel balls are generally filled in the ball mill and serve as grinding media, and when the ball mill rotates, the inner steel balls are driven to rotate, so that the steel balls fall from a high point, the steel balls impact materials at the bottom of the ball mill, and the materials can be thoroughly crushed. Only be equipped with the welt in the current ball-milling intracavity, the during operation noise is serious, at the bottom of the ball utilization ratio, the ball mixes together, need take out all balls after the ball wearing and tearing manual work screening, and efficiency is comparatively low, consumes a large amount of manpower resources, just can carry out the dismouting after the hoisting machine hoist and mount when the welt is dismantled, and the dismouting is very loaded down with trivial details inconvenient.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and provides a cement raw material ball mill which is characterized in that when cement ball milling is carried out, the production noise of equipment is reduced through damping devices arranged inside and outside, a ball milling device is divided into cavities with different thicknesses to realize graded ball milling, a ball feeding and conveying device is arranged to realize the functions of feeding balls and withdrawing balls and changing balls under different conditions of forward and reverse rotation of the equipment, the grinding balls are fully and efficiently utilized, a filter plate dismounting device is arranged to quickly draw out a filter plate for dismounting and changing, and the dismounting and mounting are convenient and efficient.

The purpose of the invention can be realized by the following technical scheme: a cement raw material ball mill comprises a shell, wherein a supporting damping device is arranged on the shell, the supporting damping device is used for damping and supporting the whole device, production noise is reduced, and the whole device is supported, a ball milling wall is arranged in the middle of the upper side of the supporting damping device, a ball milling device is arranged in the ball milling wall and is used for grinding cement raw material particles after primary crushing into powder, a feeding device is arranged on the left side of the upper portion of the supporting damping device and is used for feeding cement particles into the ball milling wall, a grinding ball conveying device is arranged on the right side of the upper portion of the supporting damping device and is used for feeding grinding balls into and feeding out of the grinding balls, a filter plate is arranged in the middle of the inner cavity of the ball milling wall and divides the inner cavity of the ball milling wall into a left cavity and a right cavity, the left cavity is a coarse milling cavity, and the right cavity is a fine milling cavity, the rough grinding chamber is used for grinding bigger cement particles into smaller cement particles, the fine grinding chamber is used for grinding the smaller cement particles after the rough grinding chamber is ground into powder, the left end cover is fixedly arranged on the left side of the ball grinding wall, the right end cover is fixedly arranged on the right side of the ball grinding wall, the wear-resistant plate is fixedly arranged on the right side wall of the left end cover, a ball outlet is fixedly arranged on the left side wall of the right end cover, a second storage chamber is fixedly arranged between the right end cover, the wear-resistant plate and the ball outlet are respectively and fixedly arranged at the left end and the right end of the inner chamber of the ball grinding wall, the wear-resistant plate is used for protecting the end cover to avoid end cover abrasion, the ball outlet is used for filtering the cement powder after the fine grinding chamber is finely ground, the upper side of the middle part of the shell is provided with a power device, and the power device is used for providing power for the whole equipment to operate.

Preferably, the supporting and damping device comprises inner supporting plates which are symmetrically and fixedly arranged on the left side and the right side of the middle of the shell, a plurality of inner supporting springs are fixedly arranged on the inner supporting plates, inner supporting blocks are arranged on the inner supporting plates, ball mill walls are fixedly arranged on the upper sides of the inner supporting blocks, the supporting and damping device comprises outer supporting plates which are symmetrically and fixedly arranged on the left end and the right end of the shell, a damping chute is arranged in an inner cavity of the outer supporting plate, a damping pulley is arranged in the damping chute in a sliding mode, a lower damping spring is fixedly arranged at the lower end of the damping pulley, a lower bearing seat is fixedly arranged at the upper end of the damping chute, an upper damping spring is fixedly arranged between the lower bearing seat and the lower wall of the upper wall of the damping chute and is connected with the lower end of the lower bearing seat, an upper bearing seat is fixedly arranged at the upper end of the lower supporting plate and is connected with a fastening bolt arranged in the front of the upper bearing seat, a through hole which the lower bearing seat is mutually matched with the upper bearing seat is arranged in the middle of the joint of the lower bearing seat, and the supporting and the whole damping device is used for reducing the noise of the whole production equipment.

Preferably, feed arrangement sets up including rotating support damping device left the step down with the downthehole feeding section of thick bamboo of crossing that bolster bearing housing cooperation was equipped with, the fixed feed inlet that is equipped with of feeding section of thick bamboo left side outer wall upside, the fixed feeding motor that is equipped with of feeding section of thick bamboo right-hand member, feeding motor output is equipped with the auger shaft, the fixed feeding flood dragon that is equipped with of auger shaft right-hand member, feeding section of thick bamboo right-hand member stretches into in the corase grind chamber, the fixed baffle that is equipped with of feeding section of thick bamboo right-hand member, feeding section of thick bamboo stretches into the fixed discharge gate that is equipped with of corase grind chamber part right side lower wall, feed arrangement be used for with preliminary kibbling cement raw material granule transport extremely the corase grind chamber.

Preferably, the grinding ball conveying device comprises an adjusting cylinder which is rotatably arranged on the right side of the supporting and damping device and is arranged in a through hole matched with the upper bearing seat, an adjusting ring is fixedly arranged at the right end of the adjusting cylinder, the left side of the adjusting cylinder extends into the inner cavity of the ball milling wall until the position of the left side wall of the partition plate, an adjusting opening is fixedly arranged on the lower side wall of the adjusting cylinder, a conveying cylinder is rotatably arranged in the inner cavity of the adjusting cylinder, the right end of the conveying cylinder extends out of the adjusting ring, a ball inlet is fixedly arranged on the upper side of the outer wall of the right end of the conveying cylinder, and a lower side of the right end of the conveying cylinder is fixedly arranged, carry a section of thick bamboo left end stretch into extremely ball-milling wall inner chamber is up to baffle right side wall position and in baffle fixed connection, the baffle middle part is equipped with the shaft hole, the shaft hole both ends are fixed to be equipped with the baffle sieve, the auger shaft stretch into through the shaft hole extremely carry a section of thick bamboo inner chamber until carry a section of thick bamboo right-hand member department, the auger shaft stretch into extremely carry a section of thick bamboo inner chamber part to fix and be equipped with and carry the auger, carry the auger with the feeding flood dragon is to opposite soon, ball conveyor is used for the transport of ball.

Preferably, the ball-milling device includes the ball mill wall, the fixed drive gear that is equipped with in ball mill wall outside middle part right side, drive gear with power device connects, power device is in including fixed the setting the left motor cabinet in casing upside middle part, the fixed motor power that is equipped with on the motor cabinet, the motor power output is equipped with the transmission shaft, the fixed drive gear that is equipped with on the transmission shaft, drive gear with drive gear meshes mutually, antifriction plate right side wall with go out the fixed annular that is equipped with of ball mouth left side wall outer fringe, be equipped with the spring in the annular, the casing inner chamber is equipped with the second filter screen, both ends stretch into extremely about the second filter screen in the annular the spring outer end is connected the annular outer wall, the inner is connected second filter screen lateral wall, the fixed rubber baffle that is equipped with in annular opening one side, the second filter screen with be equipped with first filter screen chamber between the ball mill wall, the fixed a plurality of first filter screen that are equipped with on the second filter screen inner wall, be provided with a plurality of rubber blocks between first filter screen and the second filter screen, the grinding inner wall side of the ball mill is equipped with the preliminary ball mill wall and is equipped with the milling screen and is equipped with the milling barrel adjusting mechanism and is close to the milling barrel the milling adjusting mechanism.

Preferably, the front side and the rear side of the inner side wall of the ball milling wall are provided with the connecting slide rods in a sliding manner, the connecting slide rods are internally provided with filter screen dismounting devices, each filter screen dismounting device comprises a clamping groove fixedly arranged in the middle of the right side in each connecting slide rod, a pulling plate spring is fixedly arranged at the upper part of the right side of the clamping groove, the right side of the pulling plate spring is connected with a pulling plate, a pull plate rotating shaft is fixedly arranged at the left upper end of the clamping groove, the pull plate can rotate around the pull plate rotating shaft, the other end of the pulling plate is provided with a concave-convex bayonet, the right side of the pulling plate is provided with a clamping toothed plate, the upper side of the clamping toothed plate is provided with a sliding groove, a latch rotating shaft is fixedly arranged at the right upper end of the clamping groove, the latch rotating shaft extends into the sliding and rotating groove to enable the clamping toothed plate to slide and rotate up and down, a bayonet matched with the pulling plate is fixedly arranged at the left end of the latch plate, a latch spring is arranged at the other end of the latch plate, the toothed plate is connected with the connecting slide rod through the toothed spring, the right end of the connecting slide rod is provided with an arc-shaped groove, the side surface of the latch plate is fixedly provided with a latch which extends into the arc-shaped groove, the first filter screen extends into the arc-shaped groove and is internally provided with a latch bar, the other end of the first filter screen is provided with a push-pull hole, a clamping strip spring is fixed in the push-pull hole, one end of the clamping strip spring is connected with one end of the bottom of the push-pull hole and is connected with a clamping strip, the outer side wall of the clamping strip is fixedly provided with clamping teeth matched with the clamping teeth on the clamping toothed plate, the filter screen dismounting device is used for quickly dismounting and replacing the filter screen, a clamping plate groove is arranged in the middle of the first filter screen, a clamping plate spring is fixedly arranged in the clamping plate groove, a filter plate is arranged on one inward side of the clamping plate spring, the filter plate is used for filtering cement particles which are ground to be smaller by the coarse grinding cavity and enter the fine grinding cavity to be continuously ground to be cement powder.

When the ball mill starts to work, the power device is started, the motor base starts the power motor to drive the transmission shaft to rotate, the transmission shaft rotates to drive the transmission gear to rotate, the transmission gear rotates to drive the whole ball mill to rotate, the feeding device is started at the moment, the feeding motor starts to drive the auger shaft to rotate, and further drive the feeding auger to rotate, feeding is performed through the feeding port, cement particles are conveyed into the rough grinding cavity through the feeding auger, further the auger shaft rotates to drive the conveying auger to rotate, grinding balls are added through the ball inlet, under the action of the conveying auger, the magic balls enter the inner cavity of the ball mill wall, through controlling the rotation of the adjusting ring, the adjusting port and the ball outlet on the lower side form through holes with different sizes, and further, the grinding balls with different sizes are controlled to enter the rough grinding cavity and the fine grinding cavity, part of the grinding balls which reach the requirements in the rough grinding cavity and the fine grinding cavity enters the first filter cavity through the first opening and the second filter screen, and the grinding balls are discharged through the first discharge port, and the leakage grinding balls are discharged through the discharge port, and the leakage grinding balls are pushed to move anticlockwise in the discharge plate.

When the grinding balls need to be replaced, cement particles in an inner cavity of a ball grinding wall are discharged, the adjusting opening is matched with a ball outlet groove on the upper side of the conveying cylinder by controlling the adjusting ring, the proper size is adjusted, feeding is stopped, the feeding motor and the power motor rotate reversely to drive the lap key to rotate clockwise, the material leaking plate is closed under the action of the grinding balls, the grinding balls with the proper size are lifted and guided into holes matched with the ball outlet groove and the adjusting opening under the action of the lap key to enter the inner cavity of the conveying cylinder, when the grinding balls enter the fine grinding cavity, the grinding balls with the proper size in the coarse grinding cavity enter the fine grinding cavity under the action of the conveying auger by controlling the adjusting ring, and the worn grinding balls in the fine grinding cavity are discharged under the action of the conveying auger, when the first filter screen needs to be replaced, the first filter screen is pulled out through the connecting slide rod, the electromagnet is electrified, the pull plate is attracted to move leftwards, and then the latch plate is driven to move leftwards, so that the latch on the latch plate and the latch on the latch strip are separated from each other, the latch strip can be conveniently pulled out from the arc wire groove of the connecting slide rod at the moment, after the first filter screen is disassembled, the electromagnet is powered off, the latch plate is restored to the original state, a new first filter screen is installed in the ball milling wall inner cavity, the whole disassembly and assembly process is completed, meanwhile, the filter plate can be pulled out from the front direction and the back direction of the latch plate groove through pressing the filter plate downwards to complete replacement, the outer part of the supporting damping device is disassembled and assembled through the fastening bolt, the inner part of the supporting damping device can play a role, the whole device is lifted, and disassembly and assembly are facilitated.

Compared with the prior art, the cement raw material ball mill has the following advantages:

1. be equipped with and support damping device, effectively reduced the noise problem of equipment production, promoted the life of filter screen and convenient the holistic dismouting of equipment simultaneously.

2. Establish hierarchical ball-milling device, the grinding ball of equidimension not is used in the thickness grinding chamber, promotes grinding efficiency, and the outside is equipped with the filter screen, can filter off the cement powder that accords with the requirement when the corase grind for cement ball-milling speed.

3. Be equipped with goal conveyor, the not ball of equidimension is carried in different grinding chambers, and the ball after the corase grind wearing and tearing recycles when the fine grinding simultaneously, realizes the function of the ball of the wearing and tearing of clearance grinding intracavity, has greatly improved the high-efficient utilization to the ball.

4. Be equipped with the filter screen that can dismantle fast, the cooperation supports damping device and realizes the quick replacement after the filter screen damages.

Drawings

Fig. 1 is a schematic view of a ball mill for cement raw materials.

FIG. 2 is a front view of a cement green ball mill.

Fig. 3 isbase:Sub>A sectional view taken alongbase:Sub>A-base:Sub>A in fig. 1.

Fig. 4 is a sectional view taken along line B-B of fig. 1.

Fig. 5 is an enlarged view of the structure at C in fig. 4.

Fig. 6 is a sectional view taken along line D-D of fig. 1.

Fig. 7 is a sectional view taken along line E-E of fig. 1.

In the figure, 10, the housing; 11. an outer support plate; 12. an inner support plate; 13. an inner support spring; 14. an inner support block; 15. a lower bearing seat; 16. a left end cap; 17. a feeding motor; 18. a feeding cylinder; 19. fastening a bolt; 20. an upper bearing seat; 21. a feed inlet; 22. a wear plate; 23. feeding flood dragon; 24. a discharge port; 25. ball milling the wall; 26. a first material storage cavity; 27. a partition plate; 28. a separator screen; 29. a second filter screen; 30. a catch plate spring; 31. a transmission gear; 32. a first filter screen; 33. conveying the auger; 34. a second material storage cavity; 35. a right end cap; 36. an adjusting cylinder; 37. a delivery cylinder; 38. a ball inlet; 39. an adjusting ring; 40. a second discharge port; 41. a first discharge port; 42. a transmission gear; 43. a drive shaft; 44. a power motor; 45. a motor base; 46. a packing auger shaft; 47. an upper damping spring; 48. a shock-absorbing chute; 49. a shock-absorbing pulley; 50. a lower damping spring; 51. a material stirring plate; 52. a material leaking plate; 53. hinging a shaft; 54. a separation chamber; 55. a ball outlet groove; 56. an adjustment port; 57. a lap key; 58. clamping the strip; 59. connecting a sliding rod; 60. a latch rotating shaft; 61. a toothed plate; 62. an electromagnet; 63. a latch spring; 64. pulling a plate; 65. a leaf spring; 66. a pull plate rotating shaft; 67. a clip strip spring; 68. a spring; 69. a rubber baffle; 70. filtering the plate; 71. a rubber block; 72. and a ball outlet.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1, 2, 3 and 4, a cement raw material ball mill comprises a housing 10, a support damping device is arranged on the housing 10, the support damping device is used for damping and supporting the whole device, thereby reducing production noise and supporting the whole device, a ball mill wall 25 is arranged in the middle of the upper side of the support damping device, a ball milling device is arranged in the ball mill wall 25, the ball milling device is used for grinding cement raw material particles after primary crushing into powder, a feeding device is arranged on the left side of the upper portion of the support damping device, the feeding device is used for feeding cement particles into the ball mill wall 25, a grinding ball conveying device is arranged on the right side of the upper portion of the support damping device, the grinding ball feeding device is used for feeding and discharging grinding balls, a filter plate 70 is arranged in the middle of the inner cavity of the ball mill wall 25, the inner cavity of the ball mill wall 25 is divided into a left cavity and a right cavity, a left cavity is a coarse grinding cavity, a right cavity is a fine grinding cavity, the coarse grinding cavity is used for grinding larger cement particles into smaller cement particles, a left grinding cavity and a right end cover 16 is arranged on the left end cover 35, a left end cover 35 and a right end cover 16 is arranged on the grinding cavity for fixing the grinding ball grinding plate 35, a left end cover 16 for fixing the grinding cavity for fixing the grinding ball grinding plate 16 for fixing the grinding cavity and a wear plate 16 for fixing the grinding ball grinding cavity for fixing the wear plate 16, the power device is used for providing power for the operation of the whole equipment.

As shown in fig. 1, 2, 3 and 4, the supporting and damping device includes inner supporting plates 12 symmetrically and fixedly disposed at the left and right sides of the middle portion of the housing 10, a plurality of inner supporting springs 13 are fixedly disposed on the inner supporting plates 12, inner supporting blocks 14 are disposed on the inner supporting plates 13, ball mill walls 25 are fixedly disposed on the upper sides of the inner supporting blocks 14, the supporting and damping device includes outer supporting plates 11 symmetrically and fixedly disposed at the left and right ends of the housing 10, a damping chute 48 is disposed in an inner cavity of the outer supporting plate 11, a damping pulley 49 is slidably disposed in the damping chute 48, a lower damping spring 50 is fixedly disposed at the lower end of the damping pulley 49, a lower bearing seat 15 is fixedly disposed at the upper end of the damping pulley 49, an upper damping spring 47 is fixedly disposed between the lower sides of the upper walls of the lower bearing seats 15 and the damping chute 48, the upper damping spring 47 is slidably connected with the lower end of the lower bearing seat 15, a spring groove is disposed at the lower side of the inner cavity of the outer supporting plate 11, the lower damping spring 50 extends into the spring groove, the lower bearing seat 15 is fixedly connected with the upper supporting plate 11, a lower bearing seat 15 is fixedly disposed at the middle portion of the upper supporting device, and a bolt 20 is disposed at which is used for fastening hole for fastening the upper bearing seat for fastening the whole supporting device, and for reducing the noise of the whole device, and the upper bearing seat 15.

As shown in fig. 1 and 2, feed arrangement is including rotating the setting and being in support damping device left the step 15 with the downthehole feeding section of thick bamboo 18 of crossing that bolster bearing housing 20 cooperation was equipped with, the fixed feed inlet 21 that is equipped with of 18 left side outer walls upsides of feeding section of thick bamboo, the fixed feeding motor 17 that is equipped with of 18 right-hand members of feeding section of thick bamboo, feeding motor 17 output is equipped with auger shaft 46, the fixed feeding flood dragon 23 that is equipped with of auger shaft 46 right-hand member, 18 right-hand members of feeding section of thick bamboo stretch into in the corase grinding chamber, 18 right-hand members of feeding section of thick bamboo are fixed and are equipped with baffle 27, feeding section of thick bamboo 18 stretches into the fixed discharge gate 24 that is equipped with in corase grinding chamber part right side lower wall, feed arrangement be used for transporting preliminary kibbling cement raw material granule extremely the corase grinding chamber.

As shown in fig. 1, fig. 2 and fig. 4, ball conveyor sets up including rotating support the damping device right side step 15 with go up the downthehole regulation section of thick bamboo 36 of crossing that bearing housing 20 cooperation was equipped with, the fixed adjustable ring 39 that is equipped with of 36 right-hand members of regulation section of thick bamboo, it stretches into to adjust 36 left sides ball mill wall 25 inner chamber until baffle 27 left side wall position, the fixed regulation mouth 56 that is equipped with of 36 lower side wall of regulation section of thick bamboo, it is equipped with a transport section of thick bamboo 37 to adjust 36 inner chamber rotation, transport section of thick bamboo 37 right-hand members stretches out adjustable ring 39, the fixed ball inlet 38 that is equipped with of 37 right-hand members outer wall upside of transport section of thick bamboo, the fixed ball outlet pipe 73 that is equipped with of 37 right-hand members downside of transport section of thick bamboo 37, 37 left end of transport section of thick bamboo stretches into ball mill wall 25 inner chamber until baffle 27 right side wall position and in baffle 27 fixed connection, baffle 27 middle part is equipped with the shaft hole, the fixed baffle 28 that is equipped with in shaft hole both ends, shaft hole 46 stretches into through the shaft hole until transport section of thick bamboo 37 inner chamber 37 right-hand members transport section of thick bamboo 37 transport section of thick bamboo reaches auger screw conveyer 33 is equipped with auger screw conveyer ball mill ball 33, auger screw conveyer 33 is used for the auger screw conveyer device is used for the auger 33 opposite auger screw conveyer.

As shown in fig. 1, fig. 2 and fig. 4, the ball milling device includes the ball milling wall 25, a transmission gear 31 is fixedly disposed on the right side of the middle portion of the outer side of the ball milling wall 25, the transmission gear 31 is connected with the power device, the power device includes a motor base 45 fixedly disposed on the left side of the middle portion of the upper side of the casing 10, a power motor 44 is fixedly disposed on the motor base 45, a transmission shaft 43 is disposed at the output end of the power motor 44, a transmission gear 42 is fixedly disposed on the transmission shaft 43, the transmission gear 42 is engaged with the transmission gear 31, annular grooves are fixedly disposed on the outer edges of the right side wall of the wear-resisting plate 22 and the left side wall of the ball outlet 72, springs 68 are disposed in the annular grooves, a second filter screen 29 is disposed in the inner cavity of the casing 10, the left and right ends of the second filter screen 29 extend into the annular grooves, the outer ends of the springs 68 are connected with the outer walls of the annular grooves, and the inner ends are connected with the outer walls of the second filter screen 29, the fixed rubber baffle 69 that is equipped with in annular opening one side, second filter screen 29 with be equipped with first storage cavity 26 between the ball mill wall 25, the fixed a plurality of first filter screens 32 that are equipped with on the second filter screen 29 inner wall, be provided with rubber block 71 between first filter screen 32 and the second filter screen 31, second filter screen 29 inner wall side is equipped with first filter screen 32, both ends about first filter screen 32 with antifriction plate 22 with baffle 27 fixed connection, be equipped with a plurality of switch plates 51 on the first filter screen 32 inner wall, switch plate 51 stretches into ball mill wall 25 inner chamber until adjust a 36 outer wall, switch plate 51 is close to adjust a 36 one side fixed articulated shaft 53 that is equipped with, switch plate 51 middle part is passed through articulated have a flitch 52 that leaks through switch plate 53, flitch 52 with the opposite side with switch plate 51 is equipped with hinge shaft 57, the ball milling device is used for grinding the cement raw particles which are primarily crushed into powder.

As shown in fig. 1, 5, 6 and 7, the connecting slide rod 59 is slidably disposed on the front side and the rear side of the inner side wall of the ball mill wall 25, a filter screen detaching device is disposed in the connecting slide rod 59, the filter screen detaching device includes a clamping groove fixedly disposed in the middle of the right side inside the connecting slide rod 59, a pulling plate spring 65 is fixedly disposed on the upper portion of the right side of the clamping groove, a pulling plate 64 is connected to the right side of the pulling plate spring 65, a pulling plate rotating shaft 66 is fixedly disposed at the upper left end of the clamping groove, the pulling plate 64 can rotate around the pulling plate rotating shaft 66, a concave-convex bayonet is disposed at the other end of the pulling plate 64, a snap plate 61 is disposed on the right side of the pulling plate 64, a sliding groove is disposed on the upper right end of the clamping groove, a snap tooth rotating shaft 60 is fixedly disposed at the upper right end of the clamping groove, the snap tooth rotating shaft 60 extends into the sliding groove to enable the snap plate 61 to slide and rotate up and down, a bayonet matched with the pulling plate 64 is fixedly arranged at the left end of the clamping plate 61, a clamping tooth spring 63 is arranged at the other end of the clamping plate 61, the clamping plate 61 is connected with the connecting slide rod 59 through the clamping tooth spring 63, an arc-shaped groove is arranged at the right end of the connecting slide rod 59, clamping teeth are fixedly arranged on the side surface of the clamping plate 61 and extend into the arc-shaped groove, a clamping strip 58 is arranged in the arc-shaped groove, the first filter screen 32 extends into the arc-shaped groove, a push-pull hole is arranged at the other end of the first filter screen 32, a clamping strip spring 67 is fixedly arranged in the push-pull hole, one end of the clamping strip spring 67 is connected with one end of the bottom of the push-pull hole and is connected with the clamping strip 58, clamping teeth matched with the clamping teeth on the clamping plate 61 are fixedly arranged on the outer side wall of the clamping strip 58, the filter screen dismounting device is used for quickly dismounting and replacing the filter screens, a clamping plate groove is arranged at the middle part of the first filter screen 32, and a clamping plate spring 30 is fixedly arranged in the clamping groove, the inward side of the snap plate spring 30 is provided with a filter plate 70, and the filter plate 70 is used for filtering cement particles which are ground to be smaller in the rough grinding chamber and enter the fine grinding chamber to be continuously ground to be cement powder.

When the ball mill starts to work, the power device is started, the motor base 45 starts the power motor 44 to drive the transmission shaft 43 to rotate, the transmission shaft 43 rotates to drive the transmission gear 42 to rotate, the transmission gear 42 rotates to drive the transmission gear 31 to rotate, the transmission gear 31 rotates to drive the whole ball mill to rotate, at the moment, the feeding device is started, the feeding motor 17 is started to drive the auger shaft 46 to rotate, further drive the feeding auger 23 to rotate, feed through the feeding hole 21, cement particles are conveyed into the rough grinding cavity through the discharge hole 24 through the feeding auger 23, further drive the conveying auger 33 to rotate through the rotation of the auger shaft 46, grinding balls are added through the ball inlet 38, under the action of the conveying auger 33, the magic balls enter the inner cavity of the ball grinding wall 25, and the adjusting hole 56 and the ball outlet groove 55 on the lower side form through holes with different sizes by controlling the rotation of the adjusting ring 39, and then the grinding balls with different sizes are controlled to enter the coarse grinding cavity and the fine grinding cavity, the part of the finer particles which meet the requirements and are ground in the coarse grinding cavity and the fine grinding cavity enter the first storage cavity 26 through the first filter screen 32 and the second filter screen 29 and are discharged through the first discharge port 41, the noise can be effectively reduced and the service life of the first filter screen 32 can be prolonged under the action of the spring 68 and the rubber block 71, the cement powder which meets the composite requirements in the fine grinding cavity enters the second storage cavity 34 through the ball outlet 72 and is further discharged through the second discharge port 40, when the grinding balls are fed and conveyed, the motor rotates anticlockwise, at the moment, the cement particles and the grinding balls in the inner cavity of the ball grinding wall 25 of the leakage plate 52 push the leakage plate 52 to open, the stirring plate 51 pushes the cement particles and the grinding balls to move upwards, and the through holes after the leakage plate 52 opens fall to fully grind the cement particles.

When the grinding balls need to be replaced, cement particles in the inner cavity of the ball grinding wall 25 are discharged, the adjusting opening 56 is matched with the ball outlet groove 55 on the upper side of the conveying cylinder 37 by controlling the adjusting ring 39, the proper size is adjusted, the feeding is stopped, the feeding motor 17 and the power motor 44 are reversed, the lap key 57 is driven to rotate clockwise, the material leaking plate 52 is closed under the action of the grinding balls, the grinding balls with the proper size are lifted and guided into holes matched with the ball outlet groove 55 and the adjusting opening 56 under the action of the lap key 57 and then enter the inner cavity of the conveying cylinder 37, when the grinding balls enter the fine grinding cavity, the grinding balls with the proper size in the coarse grinding cavity enter the fine grinding cavity under the action of the conveying auger 33 by controlling the adjusting ring 39, the grinding balls abraded in the fine grinding cavity are discharged through the ball outlet pipe 73 under the action of the conveying auger 33, when the first filter screen 32 needs to be replaced, the first filter screen 32 is pulled out through the connecting sliding rod 59, the electromagnet 62 is electrified, the pull plate 64 is attracted to move leftwards, and then the clamping toothed plate 61 is driven to move leftwards, so that the clamping toothed plate 61 and clamping teeth on the clamping toothed plate 58 are separated from each other, the clamping toothed plate 58 can be conveniently pulled out from the arc-shaped groove of the connecting sliding rod 59 at the moment, after the first filter screen 32 is disassembled, the electromagnet 62 is powered off, and then the clamping toothed plate 61 returns to be restored, a new first filter screen 32 is filled into the connecting sliding rod 59 and inserted into the inner cavity of the ball mill wall 25, the whole disassembling and assembling process is completed, meanwhile, the filter plate 70 can be pulled out from the front and back direction of the clamping toothed plate groove by pressing the filter plate 70 to complete replacement, the supporting and damping device is disassembled, the outer side portion is separated through the fastening bolt 19, the inner side portion can play a supporting and damping role, the whole device is lifted, and the disassembling and assembling are convenient.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a cement raw material ball mill, includes casing (10), its characterized in that, be equipped with on casing (10) and support damping device, it is used for the shock attenuation and the support of whole device to support the damping device to reduce the production noise and support whole equipment, it is equipped with ball mill wall (25) to support damping device upside middle part, be equipped with the ball-milling device in ball mill wall (25), the ball-milling device is used for grinding the cement raw material granule after preliminary smashing into powder, it is equipped with feed arrangement to support damping device upper portion left side, feed arrangement for send into cement granule in ball mill wall (25), it is equipped with ball conveyor to support damping device upper portion right side, ball feed arrangement is used for sending into and sending out of ball, ball mill wall (25) inner chamber middle part is equipped with filter plate (70), filter plate (70) will two cavitys about ball mill wall (25) inner chamber divide into, left side chamber is the coarse grinding chamber, right side chamber is the fine grinding chamber, coarse grinding chamber is the fine grinding chamber for grinding bigger cement granule into less cement granule, the fine grinding chamber is used for with the less coarse grinding the fixed ball end cover (16) of the fixed end cover (35) of cement ball grinding chamber between the right side wall (35), be equipped with the fixed ball end cover (35) of the fixed ball end cover (35) on the left side wall (35), be equipped with the fixed end cover (35) on the fixed end cover (35) of the cement grinding chamber (35) on the right side wall (35) the fixed end cover (16), the wear-resisting plate (22) and the ball outlet (72) are respectively and fixedly arranged at the left end and the right end of an inner cavity of the ball grinding wall (25), the wear-resisting plate (22) is used for protecting an end cover from being worn, the ball outlet (72) is used for filtering cement powder after the fine grinding of the fine grinding cavity, and a power device is arranged on the upper side of the middle part of the shell (10) and used for providing power for the operation of the whole device;

the supporting and damping device comprises inner supporting plates (12) which are symmetrically and fixedly arranged at the left side and the right side of the middle part of the shell (10), a plurality of inner supporting springs (13) are fixedly arranged on the inner supporting plates (12), inner supporting blocks (14) are arranged on the inner supporting plates (13), the ball mill wall (25) is fixedly arranged at the upper side of each inner supporting block (14), the supporting and damping device comprises outer supporting plates (11) which are symmetrically and fixedly arranged at the left end and the right end of the shell (10), a damping sliding groove (48) is arranged in the inner cavity of each outer supporting plate (11), a damping pulley (49) is slidably arranged in the damping sliding groove (48), a lower damping spring (50) is fixedly arranged at the lower end of each damping pulley (49), a lower bearing seat (15) is fixedly arranged at the upper end of each damping pulley (49), an upper damping spring (47) is slidably connected with the lower end of each lower bearing seat (15), a spring groove is arranged at the lower side of the inner cavity of each outer supporting plate (11), the lower damping spring (50) extends into the inner cavity of the lower bearing seat (15), and the inner cavity (20) is fixedly connected with the lower bearing seat (15), the lower bearing seat (15) is connected with the upper bearing seat (20) through fastening bolts (19) arranged in the front and at the back, a through hole matched with each other is formed in the middle of the joint of the lower bearing seat (15) and the upper bearing seat (20), and the supporting and damping device is used for supporting the whole equipment and realizing damping of the whole equipment to reduce the production noise of the equipment;

the feeding device comprises a feeding cylinder (18) which is rotatably arranged on the left side of the supporting and damping device and is arranged in a through hole in a matching manner with the upper bearing seat (20), a feeding hole (21) is fixedly formed in the upper side of the outer wall of the left side of the feeding cylinder (18), a feeding motor (17) is fixedly arranged at the right end of the feeding cylinder (18), an auger shaft (46) is arranged at the output end of the feeding motor (17), a feeding auger (23) is fixedly arranged at the right end of the auger shaft (46), the right end of the feeding cylinder (18) extends into the coarse grinding cavity, a partition plate (27) is fixedly arranged at the right end of the feeding cylinder (18), a discharging hole (24) is fixedly formed in the lower wall of the right side of the coarse grinding cavity in a stretching manner, and the feeding device is used for conveying primarily crushed cement raw material particles to the coarse grinding cavity;

grinding ball conveying device comprises a regulating cylinder (36) which is rotatably arranged on the lower bearing seat (15) on the right side of the supporting damping device and is arranged in a through hole in the upper bearing seat (20) in a matched mode, a regulating cylinder (36) right end is fixedly provided with a regulating ring (39), the left side of the regulating cylinder (36) extends into a ball grinding wall (25) inner cavity until the position of the left side wall of the partition plate (27) is reached, the lower side wall of the regulating cylinder (36) is fixedly provided with a regulating port (56), the inner cavity of the regulating cylinder (36) is rotatably provided with a conveying cylinder (37), the right end of the conveying cylinder (37) extends out of the regulating ring (39), the upper side of the outer wall of the right end of the conveying cylinder (37) is fixedly provided with a ball inlet (38), the lower side of the right end of the conveying cylinder (37) is fixedly provided with a ball outlet pipe (73), the left end of the conveying cylinder (37) extends into the inner cavity of the ball grinding wall (25) until the position of the right side wall of the partition plate (27) is fixedly connected with the partition plate (27), the middle part of the partition plate (27) is provided with a shaft hole, a partition plate screen (28), the screw conveyer shaft (46) extends into the inner cavity of the screw conveyer cylinder (37) until the screw conveyer cylinder (37) is arranged at the right end of the conveying cylinder (37), carry auger (33) with feeding flood dragon (23) revolve to opposite, ball conveyor is used for the transport of ball.

2. The ball mill for cement raw materials as set forth in claim 1, wherein: the ball-milling device comprises a ball milling wall (25), a transmission gear (31) is fixedly arranged on the right side of the middle part of the outer side of the ball milling wall (25), the transmission gear (31) is connected with a power device, the power device is fixedly arranged on a motor base (45) on the left side of the middle part of the upper side of a shell (10), a power motor (44) is fixedly arranged on the motor base (45), the output end of the power motor (44) is provided with a transmission shaft (43), the transmission shaft (43) is fixedly provided with a transmission gear (42), the transmission gear (42) is meshed with the transmission gear (31), the right side wall of a wear plate (22) is fixedly provided with an annular groove in the outer edge of the left side wall of a ball outlet (72), a spring (68) is arranged in the annular groove, the inner cavity of the shell (10) is provided with a second filter screen (29), the left end and right end of the second filter screen (29) are extended into the annular groove, the outer end of the spring (68) is connected with the outer wall of the annular groove, the inner end of the second filter screen (29) is connected with the outer side wall (29), a rubber baffle (69) is fixedly provided with a first rubber block (32) arranged between the second filter screen (29), and a plurality of the inner wall (32) is provided with a plurality of the second filter screen (32), second filter screen (29) inner wall side is equipped with first filter screen (32), both ends about first filter screen (32) with antifriction plate (22) with baffle (27) fixed connection, be equipped with a plurality of switch-plates (51) on first filter screen (32) inner wall, switch-plates (51) stretch into ball mill wall (25) inner chamber is up to adjust a section of thick bamboo (36) outer wall, switch-plates (51) are close to it is fixed with articulated shaft (53) to adjust a section of thick bamboo (36) one side, switch-plates (51) middle part is passed through articulated shaft (53) have drain board (52), drain board (52) and opposite side with switch-plates (51) are equipped with overlap joint key (57), the ball-milling device is used for grinding preliminary kibbling cement raw granules into powder.

3. The ball mill for cement raw materials as set forth in claim 2, wherein: both sides slide around ball mill wall (25) inside wall and are equipped with connect slide bar (59), be equipped with filter screen dismounting device in connecting slide bar (59), filter screen dismounting device is including fixed setting up the draw-in groove at the middle part of the inside right side of connecting slide bar (59), draw-in groove right side upper portion is fixed and is equipped with arm-tie spring (65), arm-tie spring (65) right side is connected with arm-tie (64), draw-in groove upper left end is fixed and is equipped with arm-tie pivot (66), arm-tie (64) can wind arm-tie pivot (66) rotate, the arm-tie (64) other end is equipped with the concave-convex bayonet socket, arm-tie (64) right side is equipped with card pinion rack (61), card pinion rack (61) upside is equipped with the slip groove, the clamping groove right upper end is fixedly provided with a clamping tooth rotating shaft (60), the clamping tooth rotating shaft (60) extends into the sliding groove to enable the clamping tooth plate (61) to slide and rotate up and down, the left end of the clamping tooth plate (61) is fixedly provided with a bayonet matched with the pull plate (64), the other end of the clamping tooth plate (61) is provided with a clamping tooth spring (63), the clamping tooth plate (61) is connected with the connecting sliding rod (59) through the clamping tooth spring (63), the right end of the connecting sliding rod (59) is provided with an arc-shaped groove, the side face of the clamping tooth plate (61) is fixedly provided with a clamping tooth, the clamping tooth extends into the arc-shaped groove, the first filter screen (32) extends into the arc-shaped groove to be provided with a clamping strip (58), first filter screen (32) other end is equipped with the push-and-pull hole, push-and-pull downthehole fixed draw bar spring (67), draw bar spring (67) one end is connected and is pushed and pull hole bottom one end and connect draw bar (58), fixed be equipped with on draw bar (58) lateral wall with latch matched with latch on the pinion rack (61), filter screen dismounting device is used for quick dismantlement to change the filter screen, first filter screen (32) middle part is equipped with the cardboard groove, the cardboard inslot is fixed and is equipped with cardboard spring (30), filter plate (70) set up on cardboard spring (30) inside one side, filter plate (70) are used for with the rough grinding chamber grinds to less cement granule and filters the entering the fine grinding chamber continues to grind cement powder.