CN113786905A

CN113786905A - Cement raw material ball mill

Info

Publication number: CN113786905A
Application number: CN202111089603.XA
Authority: CN
Inventors: 不公告发明人
Original assignee: Ningbo Yida Building Materials Co ltd
Current assignee: Tonglu Hongshi Cement Co ltd
Priority date: 2021-09-17
Filing date: 2021-09-17
Publication date: 2021-12-14
Anticipated expiration: 2041-09-17
Also published as: CN113786905B

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 so as to realize graded ball milling, a ball feeding and conveying device is arranged so as to realize the functions of feeding balls and withdrawing balls and changing balls under different conditions of positive and negative rotation of the equipment, the grinding balls are fully and efficiently utilized, a filter plate dismounting device is arranged for quickly drawing out a filter plate for dismounting and changing, and the dismounting and the mounting are convenient and efficient.

The purpose of the invention can be realized by the following technical scheme: the utility model provides a cement raw material ball mill, includes the casing, be equipped with on the casing and support damping device, support damping device and be used for the shock attenuation and the support of whole device to reduce production noise and support whole equipment, it is equipped with the ball mill wall to support damping device upside middle part, be equipped with the ball-milling device in the ball mill wall, 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 is used for sending into cement granule in the ball mill wall, 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 inner chamber middle part is equipped with first filter screen, first filter screen will ball mill wall inner chamber divide into two cavitys about, left side cavity is the coarse grinding chamber, right side cavity is the fine grinding chamber, 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 ball-milling wall left side is fixed and is equipped with the right-hand member lid, the ball-milling wall right side is fixed and is equipped with the right-hand member end lid, the right-hand member is fixed and is equipped with the antifriction plate on the right-hand member lid right side wall, the fixed ball outlet that is equipped with on the right-hand member lid left side wall, with the fixed second storage chamber that is equipped with between the right-hand member end lid, antifriction plate and ball outlet are fixed respectively to be set up both ends about the inner chamber of ball-milling wall, the antifriction plate is used for protecting the end lid and avoids the end cover wearing and tearing, the ball outlet is used for filtering the cement powder after the fine grinding chamber is finely ground, casing middle part upside is equipped with power device, power device is used for providing power for whole equipment operation.

Preferably, the supporting and damping device comprises inner supporting plates symmetrically and fixedly arranged at the left side and the right side of the middle part 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, the ball mill wall is fixedly arranged at the upper side of the inner supporting blocks, the supporting and damping device comprises outer supporting plates symmetrically and fixedly arranged at 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 manner, a lower damping spring is fixedly arranged at the lower end of the damping pulley, a lower bearing is fixedly arranged at the upper end of the damping pulley, an upper damping spring is fixedly arranged between the lower bearing and the lower side of the upper wall of the damping chute, the upper damping spring is connected with the lower end of the lower bearing in a sliding manner, a spring groove is arranged at the lower side of the inner cavity of the outer supporting plate, and the lower damping spring extends into the spring, the lower end of the lower bearing is fixedly connected with the upper side of the lower wall of the inner cavity of the outer support plate, the lower bearing extends out of the inner cavity of the outer support plate, the upper end of the lower bearing is fixedly provided with an upper bearing, the lower bearing is connected with the upper bearing through fastening bolts arranged in the front and at the back, the middle of the joint of the lower bearing and the upper bearing is provided with through holes matched with each other, and the supporting and damping device is used for supporting the whole equipment and realizing the damping of the whole equipment and reducing the production noise of the equipment.

Preferably, feed arrangement sets up including rotating support damping device is left down the bearing with go up the downthehole feeding section of thick bamboo of the cross that the bearing 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 to the corase grind intracavity, the fixed baffle that is equipped with of feeding section of thick bamboo right-hand member, feeding section of thick bamboo stretches into corase grind chamber part right side lower wall is fixed and is equipped with the discharge gate, 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 a regulating 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, an adjusting ring is fixedly arranged at the right end of the regulating cylinder, the left side of the regulating cylinder extends into the inner cavity of the ball milling wall until the position of the left side wall of the partition board, an adjusting opening is fixedly arranged on the lower side wall of the regulating cylinder, a conveying cylinder is rotatably arranged in the inner cavity of the regulating 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, a lower side of the right end of the conveying cylinder is fixedly arranged, the left end of the conveying cylinder extends into the inner cavity of the ball milling wall until the position of the right side wall of the partition board and is fixedly connected with the partition board, a shaft hole is arranged in the middle of the partition board, the partition board screen is fixedly arranged at the two ends of the shaft hole, and the auger shaft extends into the inner cavity of the conveying cylinder until the right end of the conveying cylinder, the auger shaft stretches into to the fixed transport auger that is equipped with of transport section of thick bamboo inner chamber part, carry the auger with the feeding auger is to opposite, ball conveyor is used for the transport of ball.

Preferably, the ball milling device comprises the ball milling wall, a transmission gear is fixedly arranged on the right side of the middle part of the outer side of the ball milling wall, the transmission gear is connected with the power device, the power device comprises a motor seat fixedly arranged on the left side of the middle part of the upper side of the shell, a power motor is fixedly arranged on the motor seat, the output end of the power motor is provided with a transmission shaft, a transmission gear is fixedly arranged on the transmission shaft, the transmission gear is meshed with the transmission gear, the right side wall of the wear-resisting plate and the outer edge of the left side wall of the ball outlet are fixedly provided with an annular groove, a spring is arranged in the annular groove, a second filter screen is arranged in the inner cavity of the shell, the left end and the right end of the second filter screen extend into the annular groove, the outer end of the spring is connected with the outer wall of the annular groove, the inner end of the second filter screen is connected with the outer side wall of the second filter screen, a rubber baffle is fixedly arranged on one side of the annular groove opening, and a first storage cavity is arranged between the second filter screen and the storage ball milling wall, the fixed a plurality of first filter screens that are equipped with on the second filter screen inner wall, the rubber piece, second filter screen inner wall side is equipped with first filter screen, both ends about first filter screen with antifriction plate with baffle fixed connection, be equipped with a plurality of switch-plates on the first filter screen inner wall, the switch-plate stretches into ball-milling wall inner chamber is up to the adjusting cylinder outer wall, the switch-plate is close to adjusting cylinder one side is fixed and is equipped with the articulated shaft, the switch-plate middle part is passed through the articulated shaft has the flitch that leaks, flitch and opposite side with the switch-plate is equipped with the overlap key, the ball-milling device is used for giving birth to the granule grinding with preliminary kibbling cement and becomes powder.

Preferably, the connecting slide rod is slidably arranged on the front side and the rear side of the inner side wall of the ball milling wall, a filter screen detaching device is arranged in the connecting slide rod and comprises a clamping groove fixedly arranged in the middle of the right side in the connecting slide rod, a pull plate spring is fixedly arranged on the upper portion of the right side of the clamping groove, the right side of the pull plate spring is connected with the pull plate, a pull plate rotating shaft is fixedly arranged at the upper left end of the clamping groove and can rotate around the pull plate rotating shaft, a concave-convex bayonet is arranged at the other end of the pull plate, a clamping tooth plate is arranged on the right side of the pull plate, a sliding groove is arranged on the upper side of the clamping tooth plate, a clamping tooth rotating shaft is fixedly arranged at the upper right end of the clamping groove and extends into the sliding groove, so that the clamping tooth plate can slide and rotate up and down, a bayonet matched with the pull plate is fixedly arranged at the left end of the clamping tooth plate, and a clamping tooth spring is arranged at the other end of the clamping tooth 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, the latch extends into the arc-shaped groove, the first filter screen extends into the arc-shaped groove and is internally provided with a clamping strip, 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 in the rough 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, the feeding auger is driven to feed through the feeding hole, cement particles are conveyed into the rough grinding cavity through the discharging hole by the feeding auger, the auger shaft further 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, the ball outlet grooves of the adjusting hole and the lower ball outlet grooves form through holes with different sizes by controlling the rotation of the adjusting ring, the grinding balls with different sizes enter the rough grinding cavity and the fine grinding cavity, and the part of the finer particles which meet the requirements and are ground in the rough grinding cavity and the fine grinding cavity enter the first storage cavity through the first filter screen and the second filter screen And then discharge through first discharge gate, can effectual noise reduction and improvement first filter screen life through spring and rubber block effect, the compound required cement grinding of fine grinding intracavity gets into the second storage cavity through a ball mouth, further discharge through the second discharge gate, during feeding and transport ball, motor anticlockwise rotation, the cement granule and the ball grinding promotion hourglass flitch of flitch intracavity in the ball-milling wall at this moment promote the flitch and open, the switch-board promotes cement granule and ball grinding upward movement, drop through the open through-hole of flitch and realize the abundant crushing to the cement granule.

When the grinding balls need to be replaced, cement particles in an inner cavity of a ball grinding wall are discharged, an adjusting opening is matched with a ball outlet groove on the upper side of a conveying cylinder by controlling an adjusting ring, the proper size is adjusted, feeding is stopped, a feeding motor and a power motor are rotated reversely, so that a lap key is driven to rotate clockwise, a 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 and then enter the inner cavity of the conveying cylinder, when the grinding balls enter a fine grinding cavity, the grinding balls with the proper size in a coarse grinding cavity enter the fine grinding cavity under the action of a conveying auger by controlling the adjusting ring, the adjusting ring is further controlled, the worn grinding balls in the fine grinding cavity are discharged under the action of the conveying auger, when a first filter screen needs to be replaced, the first filter screen is pulled out by connecting a slide rod, an electromagnet is electrified, and a pull plate is attracted to move leftwards, and then drive the latch plate and move to the left for latch on latch plate and the card strip breaks away from each other, can be very convenient at this moment follow the card strip connect extract in the slide bar arc wire casing, first filter screen dismantles the back of accomplishing, the electro-magnet outage, and then the latch plate returns and recovers to, pack into new first filter screen and connect the slide bar and insert back ball-milling wall inner chamber, accomplish whole dismouting process, can take the filter plate out from the card groove fore-and-aft direction through pushing down the filter plate simultaneously and accomplish the change, support damping device when the dismouting, the outside portion passes through fastening bolt and accomplishes the separation, the inside portion can play the support cushioning effect, lift whole device, make things convenient for the dismouting.

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 simultaneously and convenient to the holistic dismouting of equipment.

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 is a sectional view taken along a line a-a in fig. 1.

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

Fig. 7 is a sectional view taken along the direction E-E in 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; 16. a right end cap; 17. a feeding motor; 18. a feeding cylinder; 19. fastening a bolt; 20. an upper bearing; 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 cartridge; 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 kick-out 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 shell 10, wherein a supporting damping device is arranged on the shell 10, the supporting damping device is used for damping and supporting the whole device, so as to reduce production noise and support the whole device, a ball mill wall 25 is arranged in the middle of the upper side of the supporting damping device, a ball milling device is arranged in the ball mill wall 25 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 part of the supporting damping device and is used for feeding the cement particles into the ball mill wall 25, a grinding ball conveying device is arranged on the right side of the upper part of the supporting damping device and is used for feeding grinding balls into and discharging the grinding balls, a first filter screen 32 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 by the first filter screen 32, the left cavity is a rough grinding cavity, the right cavity is a fine grinding cavity, the rough grinding cavity is used for grinding larger cement particles into smaller cement particles, the fine grinding cavity is used for grinding smaller cement particles after the rough grinding cavity is ground into powder, a right end cover 16 is fixedly arranged on the left side of the ball grinding wall 25, a right end cover 35 is fixedly arranged on the right side of the ball grinding wall 25, wear-resisting plates 22 are fixedly arranged on the right side wall of the right end cover 16, a ball outlet 72 is fixedly arranged on the left side wall of the right end cover 35, a second storage cavity 34 is fixedly arranged between the right end cover 35 and the ball outlet 72, the wear-resisting plates 22 and the ball outlet 72 are respectively and fixedly arranged at the left end and the right end of the inner cavity of the ball grinding wall 25, the wear-resisting plates 22 are used for protecting the end covers to avoid the abrasion of the end covers, the ball outlet 72 is used for filtering the cement powder after the fine grinding cavity is finely ground, a power device is arranged on the upper side of the middle of the shell 10, 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, the ball mill wall 25 is fixedly disposed at the upper side 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 15 is fixedly disposed at the upper end of the damping pulley 49, an upper damping spring 47 is fixedly disposed between the lower bearing 15 and the lower side of the upper wall of the damping chute 48, and the upper damping spring 47 is slidably connected to the lower end of the lower bearing 15, the utility model discloses a damping device, including outer support plate 11 inner chamber, damping spring 50 stretches into in the spring, lower bearing 15 lower extreme with 11 inner chamber lower wall upside fixed connection in outer support plate, lower bearing 15 stretches out 11 inner chambers in outer support plate, the fixed upper bearing 20 that is equipped with in lower bearing 15 upper end, lower bearing 15 with upper bearing 20 is connected through the fastening bolt 19 that is equipped with around, lower bearing 15 with upper bearing 20 junction middle part is equipped with the via hole of mutually supporting, support damping device and be used for supporting whole equipment and realize the shock attenuation of whole equipment and reduce equipment production noise.

As shown in fig. 1 and 2, feed arrangement is including rotating the setting and being in it is left to support damping device bearing 15 down with go up the downthehole feeding section of thick bamboo 18 of the fit mistake that 20 cooperations of bearing were equipped with, the fixed feed inlet 21 that is equipped with of 18 left side outer wall upsides of feeding section of thick bamboo, 18 right-hand members of feeding section of thick bamboo are fixed and are equipped with feeding motor 17, 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, 18 of feeding section of thick bamboo stretches into the fixed discharge gate 24 that is equipped with of corase grinding chamber part right side lower wall, feed arrangement be used for with preliminary kibbling cement raw meal granule transport extremely the corase grinding chamber.

As shown in fig. 1, 2 and 4, the grinding ball conveying device includes an adjusting cylinder 36 rotatably disposed in a through hole formed in the right side of the supporting and damping device and in cooperation with the upper bearing 20, an adjusting ring 39 is fixedly disposed at the right end of the adjusting cylinder 36, the left side of the adjusting cylinder 36 extends into the inner cavity of the ball grinding wall 25 to the position of the left side wall of the partition plate 27, an adjusting port 56 is fixedly disposed at the lower side wall of the adjusting cylinder 36, a conveying cylinder 37 is rotatably disposed in the inner cavity of the adjusting cylinder 36, the right end of the conveying cylinder 37 extends out of the adjusting ring 39, a ball inlet 38 is fixedly disposed at the upper side of the outer wall at the right end of the conveying cylinder 37, 73 is fixedly disposed at the lower side of the right end of the conveying cylinder 37, the left end of the conveying cylinder 37 extends into the inner cavity of the ball grinding wall 25 to the position of the right side wall of the partition plate 27 and is fixedly connected to the partition plate 27, a shaft hole is disposed at the middle part of the partition plate 27, and the partition plate sieve 28 is fixedly disposed at both ends of the shaft hole, auger shaft 46 stretches into through the shaft hole and reaches transport section of thick bamboo 37 inner chamber is up to transport section of thick bamboo 37 right-hand member 73 department, auger shaft 46 stretches into to transport section of thick bamboo 37 inner chamber part is fixed and is equipped with transport auger 33, transport auger 33 with feeding auger 23 revolves to opposite, ball conveyor is used for the transport of ball.

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, a rubber baffle 69 is fixedly arranged on one side of the opening of the ring groove, a first material storage cavity 26 is arranged between the second filter screen 29 and the ball mill wall 25, a plurality of first filter screens 32, the rubber block 71, a first filter screen 32 is arranged on the inner wall side of the second filter screen 29, the left end and the right end of the first filter screen 32 are fixedly connected with the wear-resisting plate 22 and the partition plate 27, a plurality of material shifting plates 51 are arranged on the inner wall of the first filter screen 32, the material shifting plates 51 extend into the inner cavity of the ball grinding wall 25 to the outer wall of the adjusting cylinder 36, an articulated shaft 53 is fixedly arranged on one side of the material-poking plate 51 close to the adjusting cylinder 36, a material-leaking plate 52 is articulated in the middle of the material-poking plate 51 through the articulated shaft 53, the material leaking plate 52, the other side and the material stirring plate 51 are provided with lapping keys 57, and the ball milling device is used for grinding the preliminarily crushed cement raw particles into powder.

As shown in fig. 1, 5, 6 and 7, the connecting slide rod 59 is slidably disposed on the front and rear sides 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 slot fixedly disposed in the middle of the right side inside the connecting slide rod 59, a pull plate spring 65 is fixedly disposed on the upper portion of the right side of the slot, the pull plate 64 is connected to the right side of the pull plate spring 65, a pull plate rotating shaft 66 is fixedly disposed at the upper left end of the slot, the pull plate 64 is rotatable around the pull plate rotating shaft 66, a concave-convex bayonet is disposed at the other end of the pull plate 64, a snap plate 61 is disposed on the right side of the pull plate 64, a sliding slot is disposed on the upper right end of the slot, a snap tooth rotating shaft 60 is fixedly disposed at the upper right end of the slot, the snap tooth rotating shaft 60 extends into the sliding slot to enable the snap tooth 61 to slide and rotate up and down, a bayonet matched with the pull plate 64 is fixedly disposed at the left end of the snap tooth 61, the other end of the clamping plate 61 is provided with a clamping tooth spring 63, the clamping plate 61 is connected with the connecting slide rod 59 through the clamping tooth spring 63, the right end of the connecting slide rod 59 is provided with an arc-shaped groove, the side surface of the clamping 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 and is internally provided with a clamping strip 58, the other end of the first filter screen 32 is provided with a push-pull hole, the 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, the outer side wall of the clamping strip 58 is fixedly provided with a clamping tooth matched with the clamping tooth on the clamping plate 61, the filter screen dismounting device is used for quickly dismounting and replacing the filter screen, the middle part of the first filter screen 32 is provided with a clamping plate groove, the clamping plate spring 30 is fixedly arranged in the clamping plate groove, one inward side of the clamping plate spring 30 is provided with a filter plate 70, the filter plate 70 is used for filtering cement particles which are ground to be smaller in the coarse 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, through controlling the adjusting ring 39 to rotate, the adjusting hole 56 and the ball outlet groove 55 on the lower side to form through holes with different sizes, further control the grinding balls with different sizes to enter the rough grinding cavity and the fine grinding cavity, the part of finer particles which reach the requirement and are ground in the coarse grinding cavity and the fine grinding cavity enters the first storage cavity 26 through the first filter screen 32 and the second filter screen 29, and then the part of finer particles is discharged through the first discharge hole 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 with the composite requirement in the fine grinding cavity enters the second storage cavity 34 through the ball outlet 72, the cement powder is further discharged through the second discharge hole 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 material leaking plate 52 push the material leaking plate 52 to open, the material stirring plate 51 pushes the cement particles and the grinding balls to move upwards, and the through holes formed after the material leaking plate 52 opens fall to realize the sufficient crushing of 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 worn grinding balls in the fine grinding cavity are discharged through 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 slide rod 59, the electromagnet 62 is electrified, the attraction pulling plate 64 moves leftwards, and then the clamping toothed plate 61 is driven to move leftwards, so that the clamping toothed plate 61 is separated from clamping teeth on the clamping strips 58, at the moment, the clamping strips 58 can be conveniently pulled out from arc line grooves of the connecting sliding rods 59, after the first filter screen 32 is disassembled, the electromagnet 62 is powered off, and then the clamping toothed plate 61 is restored to be a new shape, a new first filter screen 32 is installed in the inner cavity of the connecting sliding rod 59 and inserted into the ball grinding wall 25, the whole disassembly and assembly process is completed, meanwhile, the filter plate 70 can be pulled out from the front direction and the back direction of the clamping toothed plate groove to complete replacement through pressing the filter plate 70 downwards, the outer part of the support damping device is disassembled and assembled through the fastening bolts 19, the inner part of the support damping device can play a role, the whole device is lifted, and disassembly and assembly 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 production noise and support whole equipment, it is equipped with ball mill wall (25) to support damping device upside middle part, be equipped with ball-milling device in ball mill wall (25), ball-milling device is used for grinding the cement raw material granule after tentatively smashing into powder, it is equipped with feed arrangement to support damping device upper portion left side, feed arrangement is used for sending into the cement granule in ball mill wall (25), it is equipped with ball conveyor on the right side of support damping device upper portion, ball feed arrangement is used for sending into and sending out of ball, ball mill wall (25) inner chamber middle part is equipped with first filter screen (32), first filter screen (32) will ball mill wall (25) inner chamber divide into about two cavitys, the left cavity is a rough grinding cavity, the right cavity is a fine grinding cavity, the rough grinding cavity is used for grinding larger cement particles into smaller cement particles, the fine grinding cavity is used for grinding smaller cement particles after the rough grinding cavity is ground into powder, a right end cover (16) is fixedly arranged on the left side of the ball grinding wall (25), a right end cover (35) is fixedly arranged on the right side of the ball grinding wall (25), a wear-resisting plate (22) is fixedly arranged on the right side wall of the right end cover (16), a ball outlet (72) is fixedly arranged on the left side wall of the right end cover (35), a second storage cavity (34) is fixedly arranged between the ball grinding wall (75) and the right end cover (35), the wear-resisting plate (22) and the ball outlet (72) are respectively and fixedly arranged at the left end and the right end of the inner cavity of the ball grinding wall (25), the wear-resisting plate (22) is used for protecting the end cover from being worn, and the ball outlet (72) is used for filtering the cement powder after the fine grinding cavity is ground, and a power device is arranged on the upper side of the middle part of the shell (10), and is used for providing power for the operation of the whole equipment.

2. The ball mill for cement raw materials as set forth in claim 1, wherein: 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 the inner supporting blocks (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 chute (48) is arranged in an inner cavity of the outer supporting plates (11), a damping pulley (49) is slidably arranged in the damping chute (48), a lower damping spring (50) is fixedly arranged at the lower end of the damping pulley (49), a lower bearing (15) is fixedly arranged at the upper end of the damping pulley (49), an upper damping spring (47) is fixedly arranged between the lower bearing (15) and the lower side of the upper wall of the damping chute (48), go up damping spring (47) with bearing (15) lower extreme sliding connection down, outer backup pad (11) inner chamber downside is equipped with the spring groove, damping spring (50) stretch into down in the spring, lower bearing (15) lower extreme with outer backup pad (11) inner chamber lower wall upside fixed connection, bearing (15) stretch out down outer backup pad (11) inner chamber, bearing (15) upper end is fixed down and is equipped with upper bearing (20), lower bearing (15) with fastening bolt (19) that upper bearing (20) were equipped with through the front and back are connected, lower bearing (15) with upper bearing (20) junction middle part is equipped with the via hole of mutually supporting, support damping device is used for supporting whole equipment and realizes the shock attenuation of whole equipment and reduce equipment production noise.

3. The ball mill for cement raw materials as set forth in claim 2, wherein: feed arrangement is in including rotating the setting support damping device left bearing (15) with go up the downthehole feeding section of thick bamboo (18) of cross that bearing (20) cooperation was equipped with, feeding section of thick bamboo (18) left side outer wall upside is fixed and is equipped with feed inlet (21), feeding section of thick bamboo (18) right-hand member is fixed and is equipped with feeding motor (17), feeding motor (17) output is equipped with auger shaft (46), auger shaft (46) right-hand member is fixed and is equipped with feeding flood dragon (23), feeding section of thick bamboo (18) right-hand member stretches into in the corase grind intracavity, feeding section of thick bamboo (18) right-hand member is fixed and is equipped with baffle (27), feeding section of thick bamboo (18) stretch into corase grind chamber part right side lower wall is fixed and is equipped with discharge gate (24), feed arrangement is used for transporting preliminary kibbling cement raw material granule to the corase grind chamber.

4. A cement raw material ball mill as claimed in claim 3, characterized in that: the grinding ball conveying device comprises a lower bearing (15) and an adjusting cylinder (36) which are rotatably arranged on the right side of the supporting and damping device and are arranged in a through hole in a matching manner with the upper bearing (20), an adjusting ring (39) is fixedly arranged at the right end of the adjusting cylinder (36), the left side of the adjusting cylinder (36) extends into an inner cavity of the ball grinding wall (25) until the position of the left side wall of the partition plate (27), an adjusting opening (56) is fixedly arranged on the lower side wall of the adjusting cylinder (36), a conveying cylinder (37) is rotatably arranged in the inner cavity of the adjusting cylinder (36), the right end of the conveying cylinder (37) extends out of the adjusting ring (39), a ball inlet (38) is fixedly arranged on the upper side of the outer wall of the right end of the conveying cylinder (37), a 73 is fixedly arranged on the lower side of the right end of the conveying cylinder (37), 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) and is fixedly connected with the partition plate (27), baffle (27) middle part is equipped with the shaft hole, the shaft hole both ends are fixed to be equipped with baffle sieve (28), auger shaft (46) stretch into through the shaft hole extremely carry section of thick bamboo (37) inner chamber until carry section of thick bamboo (37) right-hand member (73) department, auger shaft (46) stretch into extremely carry section of thick bamboo (37) inner chamber part to fix and be equipped with and carry auger (33), carry auger (33) with feeding flood dragon (23) are to opposite soon, ball conveyor is used for the transport of ball.

5. The ball mill for cement raw materials as set forth in claim 4, wherein: the ball-milling device comprises a ball-milling wall (25), wherein 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 the power device, the power device is fixedly arranged on a motor base (45) on the middle part of the upper side of the 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 the wear-resisting plate (22) and the outer edge of the left side wall of the ball outlet (72) are fixedly provided with an annular groove, 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 outer end of the second filter screen (29) is 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 is connected the second filter screen (29) lateral wall, 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 ball mill wall (25), fixed a plurality of first filter screens (32) that are equipped with on second filter screen (29) inner wall, block rubber (71), second filter screen (29) inner wall side is equipped with first filter screen (32), both ends and the antifriction plate (22) with baffle (27) fixed connection about first filter screen (32), be equipped with a plurality of switch boards (51) on first filter screen (32) inner wall, switch board (51) stretch into to ball mill wall (25) inner chamber until adjust a section of thick bamboo (36) outer wall, switch board (51) are close to adjust a section of thick bamboo (36) one side fixed and are equipped with articulated shaft (53), switch board (51) middle part articulates through articulated shaft (53) has material leaking board (52), the material leaking plate (52), the other side and the material stirring plate (51) are provided with lapping keys (57), and the ball milling device is used for grinding the preliminarily crushed cement raw particles into powder.

6. The ball mill for cement raw materials as set forth in claim 5, 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 the fixed draw-in groove that sets up connecting slide bar (59) inside right side middle part, 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, draw-in groove upper right end is fixed and is equipped with card tooth pivot (60), card tooth pivot (60) stretch into make in the slip groove card pinion rack (61) can slide and rotate from top to bottom, the left end of the clamping plate (61) is fixedly provided with a bayonet matched with the pulling plate (64), the other end of the clamping plate (61) is provided with a clamping tooth spring (63), the clamping plate (61) is connected with the connecting slide rod (59) through the clamping tooth spring (63), the right end of the connecting slide rod (59) is provided with an arc-shaped groove, the side face of the clamping 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 and is internally provided with a clamping strip (58), the other end of the first filter screen (32) is provided with a push-pull hole, a clamping strip spring (67) is fixed 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), the outer side wall of the clamping strip (58) is fixedly provided with a clamping tooth matched with the clamping tooth on the clamping plate (61), and the filter screen dismounting device is used for quickly dismounting and replacing the filter screen, first filter screen (32) middle part is equipped with the cardboard groove, the cardboard inslot internal fixation is equipped with cardboard spring (30), cardboard spring (30) inside one side is equipped with filter plate (70), filter plate (70) are used for with the coarse grinding chamber grinds to less cement granule and filters the entering the fine grinding chamber continues to grind to cement powder.