CN114904610A - A grinder for processing regeneration fine aggregate - Google Patents
A grinder for processing regeneration fine aggregate Download PDFInfo
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- CN114904610A CN114904610A CN202210379768.9A CN202210379768A CN114904610A CN 114904610 A CN114904610 A CN 114904610A CN 202210379768 A CN202210379768 A CN 202210379768A CN 114904610 A CN114904610 A CN 114904610A
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- outer barrel
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- 230000008929 regeneration Effects 0.000 title description 2
- 238000011069 regeneration method Methods 0.000 title description 2
- 238000012216 screening Methods 0.000 claims abstract description 48
- 239000000463 material Substances 0.000 claims abstract description 40
- 238000009434 installation Methods 0.000 claims description 17
- 230000002457 bidirectional effect Effects 0.000 claims description 12
- 230000001681 protective effect Effects 0.000 claims description 11
- 239000004744 fabric Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 230000001737 promoting effect Effects 0.000 claims description 2
- 229910000639 Spring steel Inorganic materials 0.000 description 9
- 101150114468 TUB1 gene Proteins 0.000 description 7
- 239000002245 particle Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 238000007873 sieving Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000005498 polishing Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000002337 anti-port Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/286—Feeding devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/42—Driving mechanisms; Roller speed control
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a grinding device for processing recycled fine aggregate, which comprises an outer barrel, wherein the top of the outer barrel is movably connected with a barrel cover; a grinding and screening barrel is rotationally connected in the outer barrel, and a grinding assembly is arranged in the grinding and screening barrel; a material guide funnel is arranged below the grinding and screening barrel, the material guide funnel is fixedly connected with the inner side wall of the outer barrel, a material storage barrel is arranged below the material guide funnel, the material storage barrel is fixedly connected with the bottom of the outer barrel, a first discharge port is arranged at the bottom of the material storage barrel, and a second discharge port corresponding to the first discharge port is arranged at the bottom of the outer barrel; the outer barrel is provided with a feeding assembly communicated with the inside of the grinding and screening barrel. The grinding device disclosed by the invention is low in grinding efficiency, small in size, low in cost, energy-saving and environment-friendly.
Description
Technical Field
The invention relates to the technical field of recycled fine aggregate equipment, in particular to a grinding device for processing recycled fine aggregate.
Background
As is known, recycled fine aggregate concrete is concrete which is obtained by partially or completely replacing natural fine aggregate with recycled fine aggregate, and the performance of the aggregate is greatly improved after treatment but is still lower than that of natural stone aggregate; in addition, the recycled aggregate is adopted to have certain influence on partial performance of the concrete, different substitution rates of the fine aggregate are adopted, the coarse aggregate is produced by adopting natural macadam, and the recycled fine aggregate needs to be ground before being used, so that the recycled fine aggregate reaches the standard use size.
The existing grinding device for processing the recycled fine aggregate mostly adopts graded grinding, and the fine aggregate can only be ground once in each grade of grinding process, so that the high-efficiency grinding cannot be realized, and the grinding device required by adopting a multistage grinding mode has larger volume and higher cost.
Disclosure of Invention
Aiming at the problems, the invention aims to provide a grinding device for processing recycled fine aggregate, which has the advantages of high grinding efficiency, small device volume, low cost, energy conservation and environmental protection.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a grinding device for processing recycled fine aggregate comprises an outer barrel, wherein the top of the outer barrel is movably connected with a barrel cover; the method is characterized in that: a grinding and screening barrel is rotationally connected in the outer barrel, and a grinding assembly is arranged in the grinding and screening barrel; a material guide funnel is arranged below the grinding and screening barrel, the material guide funnel is fixedly connected with the inner side wall of the outer barrel, a material storage barrel is arranged below the material guide funnel, the material storage barrel is fixedly connected with the bottom of the outer barrel, a first discharge port is arranged at the bottom of the material storage barrel, and a second discharge port corresponding to the first discharge port is arranged at the bottom of the outer barrel; the outer barrel is provided with a feeding component which is communicated with the inside of the grinding and screening barrel.
Further, grind sieve barrel includes left baffle, right baffle and cylindric screen cloth bucket, left side baffle with right baffle respectively with the left end and the right-hand member fixed connection of screen cloth bucket, even symmetry has set firmly a plurality of promotion subassemblies that are used for promoting fine aggregate on the inside wall of screen cloth bucket.
Furthermore, the lifting assembly comprises a first lifting plate fixedly arranged on the inner side wall of the screen drum, and the end part of the first lifting plate is movably connected with a second lifting plate; the first lifting plate extends along the radial direction of the screen bucket, a first mounting groove is formed in the top of the first lifting plate, a first mounting plate is fixedly arranged in the first mounting groove, a rack is slidably connected to the top of the first mounting plate, the sliding direction of the rack is parallel to the short axis direction of the first mounting groove, a plurality of half gears are meshed with the top of the rack, and the second lifting plate is fixedly arranged on the tops of the half gears; when the second lifting plate is perpendicular to the first mounting plate, the height of the top of one side of the first mounting groove attached to the second lifting plate is larger than that of the other side of the first mounting groove attached to the second lifting plate.
Furthermore, a telescopic rod is installed at the bottom of the first installation groove, the telescopic rod is located in the middle of the first installation groove, a first connecting rod is fixedly arranged at the end of the telescopic rod, the first connecting rod penetrates through the first installation plate, the top of the first connecting rod is fixedly connected with the bottom of the rack, and a first through hole for the first connecting rod to penetrate through is formed in the first installation plate; first sliding tray has still been seted up at the top of first mounting panel, the bottom of rack install a plurality ofly with first sliding tray phase-match's ball, first through-hole with first sliding tray intercommunication.
Further, a first driving motor is mounted on the outer side wall of the outer barrel, the output end of the first driving motor is connected with a first rotating shaft, the first rotating shaft penetrates through the outer side wall of the outer barrel and the right baffle, the first rotating shaft is rotatably connected with the outer side wall of the outer barrel, and the first rotating shaft is fixedly connected with the right baffle;
a supporting column is fixedly arranged on the inner side wall of the outer barrel, which is far away from the first driving motor, penetrates through the left baffle plate, and is rotatably connected with the left baffle plate; a first rotating groove is formed in one end, close to the first rotating shaft, of the supporting column, and one end, close to the supporting column, of the first rotating shaft is rotatably connected with the first rotating groove.
Further, the grinding assembly comprises a first grinding roller fixedly sleeved on the first rotating shaft, a first annular plate is fixedly arranged at the end part of the supporting column, and the edge of the first annular plate is rotatably connected with the inner side wall of the screen drum; a second rotating shaft and a third rotating shaft are rotatably connected to one side face, close to the center of the screen bucket, of the first annular plate, the second rotating shaft and the third rotating shaft are symmetrically distributed on two sides of the first rotating shaft, one ends, far away from the first annular plate, of the second rotating shaft and the third rotating shaft are rotatably connected with a second annular plate, the second annular plate is fixedly connected with the first annular plate, the edge of the second annular plate is rotatably connected with the inner side wall of the screen bucket, the first rotating shaft penetrates through the second annular plate, and the first rotating shaft is rotatably connected with the second annular plate; the lifting assembly is located between the first and second annular plates;
the second pivot with fixed cover respectively is equipped with the second in the third pivot and grinds roller and third and grind the roller, fixed cover is equipped with the master gear in the first pivot, the second pivot with fixed cover respectively is equipped with first pinion and second pinion in the third pivot, first pinion with the second pinion all with the master gear meshing is connected.
Furthermore, the second rotating shaft and the third rotating shaft are both hollow structures, and the hollow structures of the second rotating shaft and the third rotating shaft are both connected with a second connecting rod in a rotating manner, the first annular plate is provided with two second rotating grooves corresponding to the second rotating shaft and the third rotating shaft, and the second annular plate is provided with two third rotating grooves corresponding to the second rotating shaft and the third rotating shaft; the two ends of the second connecting rod are respectively and fixedly connected with the corresponding second rotating groove and the corresponding third rotating groove, and the two ends of the second rotating shaft and the third rotating shaft are respectively and rotatably connected with the corresponding second rotating groove and the corresponding third rotating groove.
Furthermore, the supporting column penetrates through the wall of the outer barrel and is fixedly connected with the wall of the outer barrel, the feeding assembly comprises a first feeding channel arranged inside the supporting column, and the first feeding channel is positioned below the first rotating groove;
the support column is located the outside one end fixedly connected with of outer bucket inlet pipe of slope, be equipped with second feedstock channel in the inlet pipe, first feedstock channel with second feedstock channel intercommunication.
Further, a leveling assembly for leveling the material pile in the storage barrel is mounted on the material guide funnel, the leveling assembly comprises a protective barrel fixedly connected with the material guide funnel, two ends of the protective barrel penetrate through the material guide funnel, the protective barrel is of a hollow structure, a second driving motor is mounted on the inner side wall of the outer barrel, a bidirectional screw is connected to an output shaft of the second driving motor, the bidirectional screw is located in the hollow structure of the protective barrel, one end of the bidirectional screw, far away from the second driving motor, is rotatably connected with the inner side wall of the outer barrel, screw nuts are sleeved on the two rotating directions of the bidirectional screw, a third connecting rod is fixedly connected to the bottom of each screw nut, a limiting groove matched with the third connecting rod is formed in the bottom of the protective barrel, and the limiting groove is communicated with the hollow structure in the protective barrel, the bottom of the third connecting rod is fixedly connected with a push plate assembly.
Further, the push plate assembly comprises a first push plate fixedly arranged at the bottom of the third connecting rod, the bottom of the first push plate is fixedly connected with a second push plate, the second push plate is perpendicular to the first push plate, the end part of the second push plate is fixedly connected with a third push plate, and the third push plate is also perpendicular to the second push plate; the bottom of the third push plate is serrated.
The invention has the beneficial effects that: compared with the prior art, the invention has the improvement that,
1. when the grinding device is used, aggregate in the grinding screening barrel can be driven to rotate to a higher position under the action of centrifugal force through the rotation of the grinding screening barrel, the aggregate is ground through the grinding assembly in the falling process, the ground aggregate with the particle size meeting the requirement is screened by the screen barrel and falls to the lower part of the screening barrel, the ground aggregate enters the storage barrel under the flow guide effect of the guide funnel, the aggregate which does not meet the particle size requirement is further lifted along with the rotation of the grinding screening barrel and then is continuously ground, so that the grinding efficiency is improved, the size of the whole device is small, and the cost is lower.
2. The grinding device adopts one driving motor to drive the grinding and screening barrel and the grinding assembly to rotate simultaneously, so that the energy consumption is low, the environment is more environment-friendly, and the aggregate can be ground in the grinding and screening barrel by adopting the rotatable grinding and screening barrel, and the operation efficiency of the whole device is improved.
3. The grinding device of the invention is provided with a lifting component in the grinding and screening barrel, when the whole lifting component rotates to the highest position and before and after, the second lifting plate and the first lifting plate are kept in a vertical state, a triangular area formed among the first lifting plate, the second lifting plate and the screen drum can be used as a space for storing aggregate, the aggregate is prevented from falling when not reaching the highest point, when the whole lifting assembly rotates to the highest point of the screen drum, the second lifting plate rotates to be parallel to the first lifting plate, the second lifting plate relieves the limitation on the aggregate, the aggregate falls to the upper parts of the first grinding roller, the second grinding roller and the third grinding roller under the action of gravity, so that the aggregate can be lifted to the highest point in the grinding and screening barrel, then fall to first grinding roller, second grinding roller and third grinding roller directly over, disperse the aggregate, further improvement grinding efficiency.
4. According to the grinding device, the inclined feeding pipe is arranged between the outer barrel and the grinding and screening barrel, the second feeding channel is arranged in the feeding pipe and is communicated with the first feeding channel arranged in the supporting column, so that continuous feeding can be realized, the aggregate can be continuously ground and screened, and the time waste caused by adding the aggregate into the grinding and screening barrel in a grading manner is avoided.
5. According to the grinding device, the leveling component is arranged at the position, close to the bottom, of the material guide funnel, when aggregates in the storage barrel are stacked into a higher conical structure, the second driving motor is started to drive the two-way screw rod to rotate, so that the two screw rod nuts are driven to move in opposite directions, the push plate component is driven to move, the aggregates are leveled through the first push plate and the third push plate, the storage capacity of the storage barrel is improved, and the discharging efficiency is improved.
Drawings
FIG. 1 is a front view of an internal structure of a polishing apparatus according to an embodiment of the present invention.
Figure 2 is a schematic view of the construction of the grinding and screening drum of the present invention.
FIG. 3 is a top view of an internal structure of a polishing apparatus according to an embodiment of the present invention.
FIG. 4 is a partial enlarged view of the structure of portion C of FIG. 3 according to the present invention.
Fig. 5 is a sectional view showing the internal structure of the second and third shafts according to the present invention.
FIG. 6 is a cross-sectional view taken along direction AA in FIG. 1 according to the present invention.
FIG. 7 is a cross-sectional view taken in the direction BB of FIG. 1 according to the present invention.
Fig. 8 is a schematic view of the second lifting plate being parallel to the first lifting plate in the topmost lifting assembly of fig. 6 in accordance with the present invention.
Fig. 9 is a side view of a coupling structure between a first elevation plate and a second elevation plate according to a first embodiment of the present invention.
Fig. 10 is a rear view of a coupling structure between a first riser block and a second riser block according to a first embodiment of the present invention.
FIG. 11 is a right side view of a support post and a first ring plate structure in accordance with an embodiment of the present invention.
FIG. 12 is a left side view of a second annular plate structure according to a first embodiment of the present invention.
FIG. 13 is a front view of an internal structure of a polishing apparatus according to a second embodiment of the present invention.
FIG. 14 is a right side view of a support post and a first ring plate structure in accordance with a second embodiment of the present invention.
Fig. 15 is a front view of a third embodiment of a push-flat assembly according to the present invention.
Fig. 16 is a side view of a third embodiment of a push-flat assembly according to the present invention.
Fig. 17 is a top view of a third embodiment of a push-flat assembly according to the present invention.
Fig. 18 is a side view of a coupling structure between the first elevation plate and the second elevation plate in the fourth embodiment of the present invention.
Wherein: 1-outer barrel, 101-support seat, 2-barrel cover, 3-grinding and screening barrel, 301-left baffle, 302-right baffle, 303-screen barrel, 4-guide funnel, 5-material storage barrel, 6-first discharge port, 7-second discharge port, 8-first lifting plate, 9-second lifting plate, 10-first mounting groove, 11-first mounting plate, 12-rack, 13-half gear, 14-telescopic rod, 15-first connecting rod, 16-first through hole, 17-first sliding groove, 18-ball, 19-first driving motor, 1901-motor box, 20-first rotating shaft, 21-support column, 22-first rotating groove, 23-first grinding roller, 24-first annular plate, 25-a second rotating shaft, 26-a third rotating shaft, 27-a second annular plate, 2701-a rotating through hole, 28-a second grinding roller, 29-a third grinding roller, 30-a main gear, 31-a first pinion, 32-a second pinion, 33-a second connecting rod, 34-a second rotating groove, 35-a third rotating groove, 36-a first feeding channel, 37-a feeding pipe, 3701-a second feeding channel, 38-a protective barrel, 39-a second driving motor, 40-a bidirectional screw, 41-a nut, 42-a third connecting rod, 43-a limiting groove, 44-a first push plate, 45-a second push plate, 46-a third push plate, 47-a traction plate, 48-a traction groove and 49-a spring steel plate.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following description will be made with reference to the accompanying drawings and embodiments.
The first embodiment is as follows:
referring to the attached drawings 1-12, the grinding device for processing recycled fine aggregate comprises an outer barrel 1, four supporting seats 101 are fixedly arranged at the bottom of the outer barrel 1, a barrel cover 2 is movably connected to the top of the outer barrel 1, one end of the barrel cover 2 is hinged to the outer barrel 1, and the other end of the barrel cover 2 is connected with the outer barrel 1 in a buckling manner, so that the barrel cover 2 can be conveniently opened to overhaul or clean the inside of the outer barrel 1, and aggregate in the outer barrel 1 can be prevented from overflowing the outer barrel 1 in the grinding process; a grinding and screening barrel 3 is rotationally connected in the outer barrel 1, and a grinding assembly is arranged in the grinding and screening barrel 3; a material guide funnel 4 is arranged below the grinding and screening barrel 3, the material guide funnel 4 is fixedly connected with the inner side wall of the outer barrel 1, a material storage barrel 5 is arranged below the material guide funnel 4, the material storage barrel 5 is fixedly connected with the bottom of the outer barrel 1, a first discharge port 6 is arranged at the bottom of the material storage barrel 5, and a second discharge port 7 corresponding to the first discharge port 6 is arranged at the bottom of the outer barrel 1; the outer barrel 1 is provided with a feeding component communicated with the inside of the grinding and screening barrel 3.
Specifically, the grinding and screening barrel 3 comprises a left baffle 301, a right baffle 302 and a cylindrical screen barrel 303, the left baffle 301 and the right baffle 302 are respectively fixedly connected with the left end and the right end of the screen barrel 303 to form a cylindrical structure with two closed ends, a feed port can be opened on the screen barrel 303 to serve as a feeding assembly (not shown in the figure), the screen is movably connected with the feed port in a mode that one end of the screen is hinged to one end of the screen barrel 303 in a buckled mode, feeding of the screen can be conveniently opened, and the feed port can be sealed after feeding, so that the grinding and screening barrel 3 can be rotated conveniently. Grind screening bucket 3 can drive the aggregate in the bucket when rotating and rotate to higher position thereupon under the centrifugal force effect, grind through grinding assembly at the in-process that falls, aggregate that the particle diameter meets the requirements after the grinding passes through screening bucket 303 and sieves and fall to screening bucket 303 below, enter into storage vat 5 under the water conservancy diversion effect of guide funnel 4, storage vat 5 is full back, open the ejection of compact of first discharge gate 6 and second discharge gate 7, when not ejection of compact, first discharge gate 6 and second discharge gate 7 department are equipped with the sealing plug.
Further, a first driving motor 19 is installed on the outer side wall of the outer tub 1, a motor box 1901 is arranged outside the first driving motor 19, heat dissipation holes are formed in the motor box 1901, the output end of the first driving motor 19 is connected with a first rotating shaft 20, the first rotating shaft 20 penetrates through the outer side wall of the outer tub 1 and the right baffle 302, the first rotating shaft 20 is rotatably connected with the outer side wall of the outer tub 1 through a bearing, and the first rotating shaft 20 is fixedly connected with the right baffle 302 in a welding manner;
a supporting column 21 is fixedly arranged on the inner side wall of the outer barrel 1 away from the first driving motor 19, the supporting column 21 penetrates through the left baffle 301, and the supporting column 21 is rotatably connected with the left baffle 301 through a bearing; a first rotating groove 22 is formed in one end of the supporting column 21 close to the first rotating shaft 20, and one end of the first rotating shaft 20 close to the supporting column 21 is also rotatably connected with the first rotating groove 22 through a bearing. First driving motor 19 during operation drives first pivot 20 and rotates, because first pivot 20 and grinding and sieving bucket 3's right baffle 302 fixed connection, consequently, first pivot 20 can further drive grinding and sieving bucket 3 synchronous rotation when rotating, and support column 21 plays the supporting role to first pivot 20 and grinding and sieving bucket 3 one end of keeping away from first driving motor 19, and does not influence the rotation of grinding and sieving bucket 3.
The grinding assembly comprises a first grinding roller 23 fixedly sleeved on the first rotating shaft 20, a first annular plate 24 is fixedly arranged at the end part of the supporting column 21, and the edge of the first annular plate 24 is rotatably connected with the inner side wall of the screen barrel 303; a second rotating shaft 25 and a third rotating shaft 26 are rotatably connected to one side surface of the first annular plate 24 close to the center of the screen bucket 303, the second rotating shaft 25 and the third rotating shaft 26 are symmetrically distributed on both sides of the first rotating shaft 20, one ends of the second rotating shaft 25 and the third rotating shaft 26, which are far away from the first annular plate 24, are rotatably connected with a second annular plate 27, the second annular plate 27 is fixedly connected with the first annular plate 24, and the edge of the second annular plate 27 is also rotatably connected with the inner side wall of the screen bucket 303, the first rotating shaft 20 penetrates through the second annular plate 27, a rotating through hole 2701 for the first rotating shaft 20 to penetrate through is opened at the center of the second annular plate 27, the first rotating shaft 20 is rotatably connected with the rotating through hole 2701 through a bearing, and when the first rotating shaft 20 rotates, the second annular plate 27 and the first annular plate 24 are fixed; the second pivot 25 with it grinds roller 28 and third grinding roller 29 to fix the cover respectively on the third pivot 26, fixed cover is equipped with master gear 30 on the first pivot 20, the second pivot 25 with it is equipped with first pinion 31 and second pinion 32 to fix the cover respectively on the third pivot 26, first pinion 31 with second pinion 32 all with master gear 30 meshing is connected. The first rotating shaft 20 drives the main gear 30 to synchronously rotate when rotating, the main gear 30 drives the first pinion 31 and the second pinion 32 which are meshed with the main gear to rotate when rotating, and further drives the second rotating shaft 25 and the third rotating shaft 26 to reversely rotate with the first rotating shaft 20, the first grinding roller 23, the second grinding roller 28 and the third grinding roller 29 reversely rotate with the first rotating shaft, and accordingly, aggregate can be ground by gaps among the first grinding roller 23, the second grinding roller 28 and the third grinding roller 29.
Further, the fixed connection mode between the first annular plate 24 and the second annular plate 27 is specifically as follows: the second rotating shaft 25 and the third rotating shaft 26 are both hollow structures, a second connecting rod 33 is rotatably connected in each hollow structure of the second rotating shaft 25 and the third rotating shaft 26 through a bearing, two second rotating grooves 34 corresponding to the second rotating shaft 25 and the third rotating shaft 26 are formed in the first annular plate 24, and two third rotating grooves 35 corresponding to the second rotating shaft 25 and the third rotating shaft 26 are formed in the second annular plate 27; the two ends of the second connecting rod 33 are respectively and fixedly connected with the corresponding second rotating groove 34 and the corresponding third rotating groove 35, and the two ends of the second rotating shaft 25 and the third rotating shaft 26 are respectively and rotatably connected with the corresponding second rotating groove 34 and the corresponding third rotating groove 35. When the second rotating shaft 25 and the third rotating shaft 26 rotate, the inner second connecting rod 33 is fixed, so that the stability between the first annular plate 24 and the second annular plate 27 is ensured, the second rotating shaft 25 and the third rotating shaft 26 are connected with the inner second connecting rod 33 through bearings, the second rotating groove 34 and the third rotating groove 35 are also connected with the bearings, and the rotation of the second rotating shaft 25 and the third rotating shaft 26 is not influenced. First driving motor 19 during operation, drive first pivot 20 and rotate, and then drive grinding screening bucket 3 and rotate in step, aggregate in grinding screening bucket 3 is taken to bucket eminence under the centrifugal force effect, then drop to between first grinding roller 23 and second grinding roller 28 and the third grinding roller 29, first pivot 20 is when rotating, still drive second pivot 25 and third pivot 26 antiport simultaneously, and then make first grinding roller 23 and second grinding roller 28 and the mutual cooperation of third grinding roller 29 can grind the aggregate that drops to its top, the aggregate that accords with the particle diameter requirement after the grinding sieves out through the screen cloth bucket 303 that grinds screening bucket 3, get into storage vat 5 through guide funnel 4, the aggregate that does not accord with the particle diameter requirement continues to grind along with grinding screening bucket 3 rotates and handles, the grinding efficiency has been improved.
Further, in order to improve the efficiency of lifting the aggregates in the grinding and screening bucket 3 along with the rotation of the grinding and screening bucket 3, a plurality of lifting assemblies for lifting fine aggregates are uniformly and symmetrically fixedly arranged on the inner side wall of the screen bucket 303, and the lifting assemblies are positioned between the first annular plate 24 and the second annular plate 27.
Specifically, the lifting assembly comprises a first lifting plate 8 fixedly arranged on the inner side wall of the screen barrel 303, the end part of the first lifting plate 8 is movably connected with a second lifting plate 9, when the whole lifting assembly rotates to the front and the rear of the highest position, the second lifting plate 9 and the first lifting plate 8 are kept in a vertical state, a triangular area formed among the first lifting plate 8, the second lifting plate 9 and the screen barrel 303 can be used as a space for storing aggregate, the aggregate is prevented from falling when not reaching the highest position, when the whole lifting assembly rotates to the highest position of the screen barrel 303, the second lifting plate 9 rotates to be parallel to the first lifting plate 8, the second lifting plate 9 removes the limitation on the aggregate, and the aggregate falls to the upper parts of the first grinding roller 23, the second grinding roller 28 and the third grinding roller 29 under the action of gravity, so that the grinding efficiency can be improved. More specifically, the first lifting plate 8 extends along the radial direction of the screen drum 303, a first mounting groove 10 is formed in the top of the first lifting plate 8, a first mounting plate 11 is fixedly arranged in the first mounting groove 10, a rack 12 is slidably connected to the top of the first mounting plate 11, the sliding direction of the rack 12 is parallel to the short axis direction of the first mounting groove 10, a plurality of half gears 13 are engaged with the top of the rack 12, and the second lifting plate 9 is fixedly arranged on the top of the half gears 13; when the second lifting plate 9 is perpendicular to the first mounting plate 11, the height of one side of the first mounting groove 10 attached to the second lifting plate 9 is greater than that of the other side, so that the second lifting plate 9 is prevented from being blocked by the top of the first lifting plate 8 when the second lifting plate 9 rotates.
A telescopic rod 14 is installed at the bottom of the first installation groove 10, the telescopic rod 14 is located in the middle of the first installation groove 10, a first connecting rod 15 is fixedly arranged at the end of the telescopic rod 14, the first connecting rod 15 penetrates through the first installation plate 11, the top of the first connecting rod 15 is fixedly connected with the bottom of the rack 12, and a first through hole 16 for the first connecting rod 15 to penetrate through is formed in the first installation plate 11; first sliding tray 17 has still been seted up at the top of first mounting panel 11, the bottom of rack 12 install a plurality ofly with first sliding tray 17 assorted ball 18, first through-hole 16 with first sliding tray 17 intercommunication. The telescopic link 14 adopts electric telescopic handle, and telescopic link 14 drives rack 12 through head rod 15 and removes when the extension to the drive rotates with rack 12 meshed's semi-gear 13, and then can drive second lifting plate 9 and rotate, when first lifting plate 8 and second lifting plate 9 are whole to rotate to the peak along with screen drum 303, control telescopic link 14 makes second lifting plate 9 rotate to being parallel with first lifting plate 8, make the aggregate can drop to the top of first grinding roller 23 and second grinding roller 28 and third grinding roller 29.
In order to avoid the separation between the first lifting plate 8 and the second lifting plate 9, a 1/4 arc-shaped pulling plate 47 is fixedly connected to the top of the side with the larger top of the first installation groove 10 corresponding to the first lifting plate 8, a pulling groove 48 matched with the pulling plate 47 is formed at the bottom of the second lifting plate 9, friction pads are arranged between two side surfaces of the pulling groove 48 close to the pulling plate 47 and the pulling plate 47, and the friction pads are fixedly connected to the side walls of the pulling groove 48; meanwhile, the opening size of the first installation groove 10 at the bottom of the second lifting plate 9 is smaller than the size of the end of the pulling plate 47 inside the first installation groove 10, so that the pulling plate 47 can be prevented from being separated from the pulling groove 48; the first lifting plate 8 and the second lifting plate 9 can be pulled and fixed through the friction force between the two friction pads and the pulling plate 47, so that the second lifting plate 9 is prevented from being separated from the first lifting plate 8; in addition, the pulling groove 48 may also be a T-shaped groove structure, and two side walls of the pulling plate 47 are fixedly connected to T-shaped blocks matched with the pulling groove 48 in shape, so that the second lifting plate 9 and the first lifting plate 8 can be prevented from falling off due to the mutual matching of the T-shaped groove and the T-shaped blocks.
The working principle of the grinding device in the embodiment is as follows: the grinder of this embodiment is when using, through opening bung 2, will grind the place of offering the feed inlet on the screening bucket 3 and rotate to the top, open the screen cloth of feed inlet department, add the aggregate that will grind in grinding screening bucket 3, use the screen cloth to seal the feed inlet. Then the first driving motor 19 is started to drive the first rotating shaft 20 to rotate, further the grinding and screening barrel 3 is driven to rotate synchronously, the aggregate in the grinding and screening barrel 3 is brought to the highest position in the grinding and screening barrel 3 under the action of centrifugal force and the action of the lifting component, then falls between the first grinding roller 23 and the second grinding roller 28 and the third grinding roller 29, the first rotating shaft 20 rotates, and simultaneously drives the second rotating shaft 25 and the third rotating shaft 26 to rotate reversely, so that the first grinding roller 23, the second grinding roller 28 and the third grinding roller 29 are matched with each other to grind the aggregates falling above the first grinding roller, the aggregates meeting the particle size requirement after grinding are screened out through the screen barrel 303 of the grinding screening barrel 3, get into storage vat 5 through guide funnel 4, the aggregate that is not conform to the particle diameter requirement continues to rotate along with grinding screening bucket 3 and carries out the abrasive machining, has improved grinding efficiency.
The working principle of the lifting assembly is as follows: before and after the whole lifting assembly rotates to the highest point, the second lifting plate 9 and the first lifting plate 8 are kept in a vertical state, a triangular area formed among the first lifting plate 8, the second lifting plate 9 and the screen bucket 303 can be used as a space for storing aggregate, the aggregate is prevented from falling off when the aggregate does not reach the highest point, when the whole lifting assembly rotates to the highest point of the screen bucket 303, the telescopic rod 14 is controlled to extend, the rack 12 is driven to move through the first connecting rod 15, thereby driving the half gear 13 meshed with the rack 12 to rotate, further driving the second lifting plate 9 to rotate, when the first and second lifting plates 8 and 9 as a whole rotate with the screen bucket 303 to the highest point, the telescopic rod 14 is controlled to rotate the second lifting plate 9 to be parallel to the first lifting plate 8, so that the aggregates can fall above the first grinding roller 23, the second grinding roller 28 and the third grinding roller 29. Then the telescopic rod 14 is controlled to be shortened, so that the second lifting plate 9 rotates to be vertical to the first lifting plate 8, and the phenomenon that the second lifting plate 9 is contacted with the second grinding roller 28 or the third grinding roller 29 when the lifting assembly rotates along with the screen bucket 303 to influence the operation of the device is avoided.
The second embodiment:
on the basis of the first embodiment, in order to realize continuous feeding, a new feeding assembly is arranged between the outer tub 1 and the grinding and sieving tub 3, as shown in fig. 13 and 14, the supporting pillar 21 penetrates through the tub wall of the outer tub 1, and the supporting pillar 21 is fixedly connected with the tub wall of the outer tub 1, the feeding assembly includes a first feeding channel 36 opened inside the supporting pillar 21, and the first feeding channel 36 is located below the first rotating groove 22;
an inclined feed pipe 37 is fixedly connected to one end of the support pillar 21 located outside the outer tub 1, a second feed channel 3701 is provided in the feed pipe 37, and the first feed channel 36 is communicated with the second feed channel 3701.
The working principle of the feeding assembly in the embodiment is as follows: the aggregate is continuously fed through the second feed channel 3701 in the feed pipe 37, passes through the second feed channel 3701, enters the first feed channel 36, and then enters the inside of the grinding and sieving tub 3 from the end opening of the first feed channel 36, so that the continuous feeding can be achieved through the feed pipe 37.
Example three:
on the basis of the second embodiment, in order to avoid the formation of a conical structure by stacking ground materials stored in the storage barrel 5 and reduce the storage amount in the storage barrel 5, a leveling assembly for leveling the material pile in the storage barrel 5 is installed on the material guide funnel 4, as shown in fig. 15-17, the leveling assembly includes a protection barrel 38 fixedly connected to the material guide funnel 4, two ends of the protection barrel 38 both penetrate through the material guide funnel 4, the protection barrel 38 is a hollow structure, a second driving motor 39 is installed on the inner side wall of the outer barrel 1, an output shaft of the second driving motor 39 is connected to a bidirectional screw 40, the bidirectional screw 40 is located in the hollow structure of the protection barrel 38, and one end of the bidirectional screw 40 far away from the second driving motor 39 is rotatably connected to the inner side wall of the outer barrel 1, two of two-way lead screw 40 revolve upwards all overlap and are equipped with screw nut 41, every the equal fixedly connected with third connecting rod 42 in screw nut 41's bottom, the bottom of protection bucket 38 seted up with third connecting rod 42 assorted spacing groove 43, spacing groove 43 with the inside hollow structure intercommunication of protection bucket 38, the bottom fixedly connected with push pedal subassembly of third connecting rod 42.
The push plate assembly comprises a first push plate 44 fixedly arranged at the bottom of the third connecting rod 42, the bottom of the first push plate 44 is fixedly connected with a second push plate 45, the second push plate 45 is vertical to the first push plate 44, the end part of the second push plate 45 is fixedly connected with a third push plate 46, and the third push plate 46 is vertical to the second push plate 45; the second push plate 45 with the third push plate 46 forms an L-shaped structure, and when the first push plate 44 moves to the edge of the material guide funnel 4, the third push plate 46 can push aggregate to the edge of the storage vat 5, so that the discharging efficiency of the storage vat 5 is improved.
Further, the bottom of the third push plate 46 may be serrated to reduce resistance during the pushing process.
The operating principle of the leveling component in the embodiment is as follows: when the aggregate in the storage vat 5 is piled up into higher toper structure, start second driving motor 39, drive two-way lead screw 40 and rotate to drive two lead screw nuts 41 and remove to opposite direction, and then drive the push pedal subassembly and remove, push away the level through first push pedal 44 and third push pedal 46 with the aggregate.
Example four:
on the basis of the first embodiment, in order to prevent the aggregate from falling into the first installation groove 10 and affecting the normal operation of the rack 12 and the half gear 13, a spring steel plate 49 is fixedly connected to the top of the side, with the smaller top height, of the first installation groove 10 corresponding to the first lifting plate 8, the spring steel plate 49 is in an arc structure in an original state, the inner side wall of the spring steel plate 49 is overlapped (in contact with but not connected to) the second lifting plate 9, and a corner, in contact with the spring steel plate 49, of the second lifting plate 9 is in a rounded structure, as shown in fig. 18. In the process of the counterclockwise rotation of the second lifting plate 9, the spring steel plate 49 can be extruded to deform, in the process of the clockwise rotation of the second lifting plate 9, the spring steel plate 49 is not extruded by the second lifting plate 9, and due to the elasticity of the spring steel plate 49, the deformation can be recovered along with the clockwise rotation of the second lifting plate 9, so that the tops of the spring steel plate 49 and the second lifting plate 9 are always in an overlapped state, and the aggregate is prevented from falling into the first mounting groove 10.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A grinding device for processing recycled fine aggregate comprises an outer barrel (1), wherein the top of the outer barrel (1) is movably connected with a barrel cover (2); the method is characterized in that: a grinding and screening barrel (3) is rotationally connected in the outer barrel (1), and a grinding assembly is arranged in the grinding and screening barrel (3); a material guide funnel (4) is arranged below the grinding and screening barrel (3), the material guide funnel (4) is fixedly connected with the inner side wall of the outer barrel (1), a material storage barrel (5) is arranged below the material guide funnel (4), the material storage barrel (5) is fixedly connected with the bottom of the outer barrel (1), a first discharge hole (6) is formed in the bottom of the material storage barrel (5), and a second discharge hole (7) corresponding to the first discharge hole (6) is formed in the bottom of the outer barrel (1); the outer barrel (1) is provided with a feeding component communicated with the inside of the grinding and screening barrel (3).
2. A grinding apparatus for processing recycled fine aggregate according to claim 1, wherein: grinding screening bucket (3) include left baffle (301), right baffle (302) and cylindric screen cloth bucket (303), left side baffle (301) with right baffle (302) respectively with the left end and the right-hand member fixed connection of screen cloth bucket (303), even symmetry has set firmly a plurality of promotion subassemblies that are used for promoting fine aggregate on the inside wall of screen cloth bucket (303).
3. A grinding apparatus for processing recycled fine aggregate according to claim 2, wherein: the lifting assembly comprises a first lifting plate (8) fixedly arranged on the inner side wall of the screen drum (303), and the end part of the first lifting plate (8) is movably connected with a second lifting plate (9); the first lifting plate (8) extends along the radial direction of the screen barrel (303), a first mounting groove (10) is formed in the top of the first lifting plate (8), a first mounting plate (11) is fixedly arranged in the first mounting groove (10), a rack (12) is connected to the top of the first mounting plate (11) in a sliding mode, the sliding direction of the rack (12) is parallel to the short axis direction of the first mounting groove (10), a plurality of half gears (13) are meshed with the top of the rack (12), and the second lifting plate (9) is fixedly arranged on the top of the half gears (13); when the second lifting plate (9) is vertical to the first mounting plate (11), the height of one side of the first mounting groove (10) attached to the second lifting plate (9) is greater than that of the other side.
4. A grinding apparatus for processing recycled fine aggregate according to claim 3, wherein: a telescopic rod (14) is installed at the bottom of the first installation groove (10), the telescopic rod (14) is located in the middle of the first installation groove (10), a first connecting rod (15) is fixedly arranged at the end of the telescopic rod (14), the first connecting rod (15) penetrates through the first installation plate (11), the top of the first connecting rod (15) is fixedly connected with the bottom of the rack (12), and a first through hole (16) for the first connecting rod (15) to penetrate through is formed in the first installation plate (11); first sliding tray (17) have still been seted up at the top of first mounting panel (11), the bottom of rack (12) install a plurality ofly with first sliding tray (17) assorted ball (18), first through-hole (16) with first sliding tray (17) intercommunication.
5. A grinding apparatus for processing recycled fine aggregate according to claim 2, wherein: a first driving motor (19) is mounted on the outer side wall of the outer barrel (1), the output end of the first driving motor (19) is connected with a first rotating shaft (20), the first rotating shaft (20) penetrates through the outer side wall of the outer barrel (1) and the right baffle (302), the first rotating shaft (20) is rotatably connected with the outer side wall of the outer barrel (1), and the first rotating shaft (20) is fixedly connected with the right baffle (302);
a supporting column (21) is fixedly arranged on the inner side wall of the outer barrel (1) far away from the first driving motor (19), the supporting column (21) penetrates through the left baffle plate (301), and the supporting column (21) is rotatably connected with the left baffle plate (301); first rotation groove (22) have been seted up to support column (21) near the one end of first pivot (20), first pivot (20) are close to the one end of support column (21) with first rotation groove (22) rotate and are connected.
6. A grinding apparatus for processing recycled fine aggregate according to claim 5, wherein: the grinding assembly comprises a first grinding roller (23) fixedly sleeved on the first rotating shaft (20), a first annular plate (24) is fixedly arranged at the end part of the supporting column (21), and the edge of the first annular plate (24) is rotatably connected with the inner side wall of the screen barrel (303); one side face, close to the center of the screen barrel (303), of the first annular plate (24) is rotatably connected with a second rotating shaft (25) and a third rotating shaft (26), the second rotating shaft (25) and the third rotating shaft (26) are symmetrically distributed on two sides of the first rotating shaft (20), one ends, far away from the first annular plate (24), of the second rotating shaft (25) and the third rotating shaft (26) are rotatably connected with a second annular plate (27), the second annular plate (27) is fixedly connected with the first annular plate (24), the edge of the second annular plate (27) is also rotatably connected with the inner side wall of the screen barrel (303), the first rotating shaft (20) penetrates through the second annular plate (27), and the first rotating shaft (20) is rotatably connected with the second annular plate (27); the lifting assembly is located between the first annular plate (24) and the second annular plate (27);
second pivot (25) with fixed cover respectively is equipped with second grinding roller (28) and third grinding roller (29) on third pivot (26), fixed cover is equipped with master gear (30) on first pivot (20), second pivot (25) with fixed cover respectively is equipped with first pinion (31) and second pinion (32) on third pivot (26), first pinion (31) with second pinion (32) all with master gear (30) meshing is connected.
7. A grinding apparatus for processing recycled fine aggregate according to claim 6, wherein: the second rotating shaft (25) and the third rotating shaft (26) are both hollow structures, a second connecting rod (33) is rotatably connected in the hollow structures of the second rotating shaft (25) and the third rotating shaft (26), two second rotating grooves (34) corresponding to the second rotating shaft (25) and the third rotating shaft (26) are formed in the first annular plate (24), and two third rotating grooves (35) corresponding to the second rotating shaft (25) and the third rotating shaft (26) are formed in the second annular plate (27); the both ends of second connecting rod (33) rotate groove (34) and third rotation groove (35) fixed connection with the second that corresponds respectively, the both ends of second pivot (25) and third pivot (26) rotate groove (34) and third rotation groove (35) with the second that corresponds respectively and rotate and be connected.
8. A grinding apparatus for processing recycled fine aggregate according to claim 5, wherein: the supporting column (21) penetrates through the wall of the outer barrel (1), the supporting column (21) is fixedly connected with the wall of the outer barrel (1), the feeding assembly comprises a first feeding channel (36) arranged inside the supporting column (21), and the first feeding channel (36) is positioned below the first rotating groove (22);
the support column (21) is located one end outside the outer barrel (1) is fixedly connected with an inclined feeding pipe (37), a second feeding channel (3701) is arranged in the feeding pipe (37), and the first feeding channel (36) is communicated with the second feeding channel (3701).
9. A grinding apparatus for processing recycled fine aggregate according to claim 1, wherein: the material guide hopper (4) is provided with a pushing component for pushing the material pile in the storage barrel (5), the pushing component comprises a protective barrel (38) fixedly connected with the material guide hopper (4), two ends of the protective barrel (38) penetrate through the material guide hopper (4), the protective barrel (38) is of a hollow structure, a second driving motor (39) is installed on the inner side wall of the outer barrel (1), an output shaft of the second driving motor (39) is connected with a bidirectional lead screw (40), the bidirectional lead screw (40) is located in the hollow structure of the protective barrel (38), one end, far away from the second driving motor (39), of the bidirectional lead screw (40) is rotatably connected with the inner side wall of the outer barrel (1), two rotary upward sleeves of the bidirectional lead screw (40) are respectively provided with a lead screw nut (41), the bottom of each lead screw nut (41) is fixedly connected with a third connecting rod (42), the bottom of protection bucket (38) seted up with third connecting rod (42) assorted spacing groove (43), spacing groove (43) with the inside hollow structure intercommunication of protection bucket (38), the bottom fixedly connected with push pedal subassembly of third connecting rod (42).
10. A grinding apparatus for processing recycled fine aggregate according to claim 9, wherein: the push plate assembly comprises a first push plate (44) fixedly arranged at the bottom of the third connecting rod (42), the bottom of the first push plate (44) is fixedly connected with a second push plate (45), the second push plate (45) is perpendicular to the first push plate (44), the end part of the second push plate (45) is fixedly connected with a third push plate (46), and the third push plate (46) is perpendicular to the second push plate (45); the bottom of the third push plate (46) is serrated.
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| CN202210379768.9A CN114904610B (en) | 2022-04-12 | 2022-04-12 | Grinding device for processing recycled fine aggregate |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210379768.9A CN114904610B (en) | 2022-04-12 | 2022-04-12 | Grinding device for processing recycled fine aggregate |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108212733A (en) * | 2017-12-29 | 2018-06-29 | 重庆吉邦装饰工程有限公司 | Sandstone detaches drying device |
| KR101964940B1 (en) * | 2018-10-01 | 2019-08-07 | 동부이엔티 주식회사 | a crushing apparatus of rotary type |
| CN211887128U (en) * | 2020-03-14 | 2020-11-10 | 江苏乐乐宠物食品有限公司 | Small-size pet food grinder |
| CN215234466U (en) * | 2021-04-25 | 2021-12-21 | 连云港万泰照明电器有限公司 | Grinder is used in superfine silica miropowder production |
| CN215694510U (en) * | 2021-06-24 | 2022-02-01 | 杭州烯鲸新材料科技有限公司 | Ball mill |
-
2022
- 2022-04-12 CN CN202210379768.9A patent/CN114904610B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108212733A (en) * | 2017-12-29 | 2018-06-29 | 重庆吉邦装饰工程有限公司 | Sandstone detaches drying device |
| KR101964940B1 (en) * | 2018-10-01 | 2019-08-07 | 동부이엔티 주식회사 | a crushing apparatus of rotary type |
| CN211887128U (en) * | 2020-03-14 | 2020-11-10 | 江苏乐乐宠物食品有限公司 | Small-size pet food grinder |
| CN215234466U (en) * | 2021-04-25 | 2021-12-21 | 连云港万泰照明电器有限公司 | Grinder is used in superfine silica miropowder production |
| CN215694510U (en) * | 2021-06-24 | 2022-02-01 | 杭州烯鲸新材料科技有限公司 | Ball mill |
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