CN114904610B - Grinding device for processing recycled fine aggregate - Google Patents

Grinding device for processing recycled fine aggregate Download PDF

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Publication number
CN114904610B
CN114904610B CN202210379768.9A CN202210379768A CN114904610B CN 114904610 B CN114904610 B CN 114904610B CN 202210379768 A CN202210379768 A CN 202210379768A CN 114904610 B CN114904610 B CN 114904610B
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China
Prior art keywords
barrel
rotating shaft
grinding
plate
outer barrel
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CN202210379768.9A
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Chinese (zh)
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CN114904610A (en
Inventor
魏元荣
栾健
王成武
李明
郭士国
栾渊博
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Qingdao Baoli Construction Co ltd
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Qingdao Baoli Construction Co ltd
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Priority to CN202210379768.9A priority Critical patent/CN114904610B/en
Publication of CN114904610A publication Critical patent/CN114904610A/en
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Classifications

    • 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
    • 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
    • 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
    • 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; the outer barrel is rotationally connected with a grinding and screening barrel, and a grinding assembly is arranged in the grinding and screening barrel; the grinding and screening device comprises an outer barrel, a grinding and screening barrel, a storage barrel, a first discharge hole, a second discharge hole and a grinding and screening device, wherein the lower part of the grinding and screening barrel is provided with a guide funnel which is fixedly connected with the inner side wall of the outer barrel, the lower part of the guide funnel is provided with the storage barrel which is fixedly connected with the bottom of the outer barrel, and the bottom of the storage barrel is provided with the second discharge hole corresponding to the first discharge hole; and the outer barrel is provided with a feeding component which is mutually communicated with the inside of the grinding and screening barrel. The grinding device has low grinding efficiency, small volume, low cost, energy conservation and environmental protection.

Description

Grinding device for processing recycled fine aggregate
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 well known, recycled fine aggregate concrete refers to concrete in which recycled fine aggregate is used for partially or completely replacing natural fine aggregate, and the performance of the recycled fine aggregate concrete is greatly improved after the recycled fine aggregate is treated, but the recycled fine aggregate concrete is still lower than natural stone aggregate; in addition, the recycled aggregate has a certain influence on part of the performance of the concrete, the natural broken stone is adopted for producing the coarse aggregate by adopting different substitution rates of the fine aggregate, and the recycled fine aggregate is required 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 adopts graded grinding, the fine aggregate can only be ground once in each stage of grinding process, high-efficiency grinding cannot be realized, and the grinding device required by adopting a multi-stage grinding mode is large in size and high in cost.
Disclosure of Invention
Aiming at the problems, the invention aims to provide the grinding device for processing the recycled fine aggregate, which has the advantages of high grinding efficiency, small size, low cost, energy conservation and environmental protection.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the grinding device for processing the 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: the outer barrel is rotationally connected with a grinding and screening barrel, and a grinding assembly is arranged in the grinding and screening barrel; the grinding and screening device comprises an outer barrel, a grinding and screening barrel, a storage barrel, a first discharge hole, a second discharge hole and a grinding and screening device, wherein the lower part of the grinding and screening barrel is provided with a guide funnel which is fixedly connected with the inner side wall of the outer barrel, the lower part of the guide funnel is provided with the storage barrel which is fixedly connected with the bottom of the outer barrel, and the bottom of the storage barrel is provided with the second discharge hole corresponding to the first discharge hole; and the outer barrel is provided with a feeding component which is mutually communicated with the inside of the grinding and screening barrel.
Further, grind screening bucket includes left baffle, right baffle and cylindric screen cloth bucket, left baffle with right baffle respectively with screen cloth bucket's left end and right-hand member fixed connection, evenly symmetrical has set firmly a plurality of lifting unit who is used for promoting fine aggregate on screen cloth bucket's the inside wall.
Further, the lifting assembly comprises a first lifting plate fixedly arranged on the inner side wall of the screen barrel, 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 barrel, 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 connected to the top of the first mounting plate in a sliding mode, 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 top of each half gear; when the second lifting plate is perpendicular to the first mounting plate, the jacking height 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.
Further, 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; the top of first mounting panel has still been seted up first sliding tray, a plurality of with first sliding tray assorted ball is installed to the bottom of rack, first through-hole with first sliding tray intercommunication.
Further, a first driving motor is arranged 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 rotationally connected with the outer side wall of the outer barrel, and the first rotating shaft is fixedly connected with the right baffle;
the inner side wall of the outer barrel, which is far away from the first driving motor, is fixedly provided with a support column, the support column penetrates through the left baffle, and the support column is rotationally connected with the left baffle; the support column is close to the one end of first pivot has seted up first rotation groove, first pivot is close to the one end of support column with first rotation groove rotates to be connected.
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 rotationally connected with the inner side wall of the screen barrel; the first annular plate is close to one side face of the center of the screen barrel and is rotationally connected with a second rotating shaft and a third rotating shaft, the second rotating shaft and the third rotating shaft are symmetrically distributed on two sides of the first rotating shaft, one end, away from the first annular plate, of the second rotating shaft and the third rotating shaft is rotationally 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 rotationally connected with the inner side wall of the screen barrel, the first rotating shaft penetrates through the second annular plate, and the first rotating shaft is rotationally connected with the second annular plate; the lifting assembly is positioned between the first annular plate and the second annular plate;
the second rotating shaft and the third rotating shaft are respectively fixedly sleeved with a second grinding roller and a third grinding roller, the first rotating shaft is fixedly sleeved with a main gear, the second rotating shaft and the third rotating shaft are respectively fixedly sleeved with a first pinion and a second pinion, and the first pinion and the second pinion are both meshed and connected with the main gear.
Further, the second rotating shaft and the third rotating shaft are hollow structures, a second connecting rod is rotatably connected in the hollow structures of the second rotating shaft and the third rotating shaft, two second rotating grooves corresponding to the second rotating shaft and the third rotating shaft are formed in the first annular plate, and two third rotating grooves corresponding to the second rotating shaft and the third rotating shaft are formed in the second annular plate; the two ends of the second connecting rod are fixedly connected with the corresponding second rotating groove and the corresponding third rotating groove respectively, and the two ends of the second rotating shaft and the corresponding third rotating shaft are connected with the corresponding second rotating groove and the corresponding third rotating groove in a rotating mode respectively.
Further, the support column penetrates through the barrel wall of the outer barrel, the support column is fixedly connected with the barrel wall of the outer barrel, the feeding component comprises a first feeding channel arranged in the support 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 slope inlet pipe of outer bucket, be equipped with the second feed channel in the inlet pipe, first feed channel with the second feed channel intercommunication.
Further, install on the guide funnel and be used for right the stock pile in the storage vat pushes away the flat subassembly that pushes away, push away the flat subassembly include with guide funnel fixed connection's protection bucket, the both ends of protection bucket all run through the guide funnel, the protection bucket is hollow structure, install second driving motor on the inside wall of outer bucket, be connected with two-way lead screw on the output shaft of second driving motor, two-way lead screw is located in the hollow structure of protection bucket, just two-way lead screw keep away from second driving motor's one end with the inside wall rotation of outer bucket is connected, two spiral upward all overlaps of two-way lead screw are equipped with screw nut, every screw nut's bottom all fixedly connected with third connecting rod, the bottom of protection bucket seted up with third connecting rod assorted spacing groove, spacing groove with the inside hollow structure intercommunication of protection bucket, the bottom fixedly connected with push pedal subassembly of third connecting rod.
Further, the push plate assembly comprises a first push plate fixedly arranged at the bottom of the third connecting rod, a second push plate is fixedly connected to the bottom of the first push plate, the second push plate is perpendicular to the first push plate, a third push plate is fixedly connected to the end part of the second push plate, and the third push plate is perpendicular to the second push plate; the bottom of the third push plate is serrated.
The beneficial effects of the invention are as follows: compared with the prior art, the invention has the advantages that,
1. when the grinding device is used, the aggregate in the barrel can be driven to rotate to a higher position under the action of centrifugal force through the rotation of the grinding and sieving barrel, the ground aggregate with the particle size meeting the requirement falls below the sieving barrel through the sieving of the sieving barrel in the falling process, the aggregate with the particle size meeting the requirement enters the storage barrel under the flow guiding effect of the guide hopper, and the aggregate with the particle size not meeting the requirement is further lifted along with the rotation of the grinding and sieving barrel and then is continuously ground, so that the grinding efficiency is improved, the whole device is small in size and lower in cost.
2. The grinding device provided by the invention adopts the driving motor to drive the grinding and sieving barrel and the grinding component to rotate at the same time, so that the energy consumption is low, the environment is protected, the rotatable grinding and sieving barrel is adopted to grind aggregate in the grinding device, the sieving effect can be achieved at the same time, and the operation efficiency of the whole device is improved.
3. According to the grinding device, the lifting assembly is arranged in the grinding screening barrel, before and after the whole lifting assembly rotates to the highest position, the second lifting plate is kept in a vertical state with the first lifting plate, a triangular area formed among the first lifting plate, the second lifting plate and the screen barrel can be used as a space for storing aggregate, the aggregate is prevented from falling off when the aggregate does not reach the highest position, when the whole lifting assembly rotates to the highest position of the screen barrel, the second lifting plate rotates to be in a state parallel to the first lifting plate, the limitation on the aggregate is relieved by the second lifting plate, the aggregate falls above 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 screening barrel and then falls to the right above the first grinding roller, the second grinding roller and the third grinding roller, the aggregate is dispersed, and the grinding efficiency is further improved.
4. According to the grinding device, the inclined feeding pipe is arranged between the outer barrel and the grinding and sieving barrel, the second feeding channel is arranged in the feeding pipe and is communicated with the first feeding channel arranged in the supporting column, continuous feeding can be realized, the aggregate is continuously ground and sieved, and time waste caused by adding the aggregate into the grinding and sieving barrel in a separated mode is avoided.
5. According to the grinding device, the pushing component is arranged at the position, close to the bottom, of the guide funnel, when aggregates in the storage barrel are stacked into a higher conical structure, the second driving motor is started to drive the bidirectional 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 pushed to be flat through the first push plate and the third push plate, the storage amount of the storage barrel is improved, and the discharging efficiency is improved.
Drawings
Fig. 1 is a front view showing an internal structure of a polishing apparatus according to a first embodiment of the present invention.
FIG. 2 is a schematic view of the grinding and sieving barrel according to the present invention.
Fig. 3 is a top view illustrating an internal structure of a polishing apparatus according to a first embodiment of the present invention.
Fig. 4 is an enlarged view of part C of fig. 3 according to the present invention.
Fig. 5 is a sectional view showing the internal structure of the second shaft and the third shaft according to the present invention.
Fig. 6 is a cross-sectional view taken along the AA direction in fig. 1 in accordance with the present invention.
Fig. 7 is a cross-sectional view in the BB direction of fig. 1 according to the present invention.
FIG. 8 is a schematic view of the second lift plate and the first lift plate of the topmost lift assembly of FIG. 6 in a parallel configuration.
Figure 9 is a side view of a connection between a first lift plate and a second lift plate in accordance with a first embodiment of the present invention.
Figure 10 is a rear view of the connection between the first lift plate and the second lift plate in accordance with the first embodiment of the present invention.
FIG. 11 is a right side view of a support post and first annular plate structure in accordance with one embodiment of the present invention.
Fig. 12 is a left side view of a second annular plate structure in accordance with one embodiment of the present invention.
Fig. 13 is a front view showing 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 annular plate structure in accordance with a second embodiment of the present invention.
Fig. 15 is a front view of a pushing assembly according to a third embodiment of the present invention.
Fig. 16 is a side view of a pushing assembly according to a third embodiment of the present invention.
Fig. 17 is a top view of a pushing assembly according to a third embodiment of the present invention.
Figure 18 is a side view of a connection between a first lift plate and a second lift plate in accordance with a fourth embodiment of the present invention.
Wherein: 1-an outer barrel, 101-a supporting seat, 2-a barrel cover, 3-a grinding and screening barrel, 301-a left baffle plate, 302-a right baffle plate, 303-a screen barrel, 4-a guide hopper, 5-a storage barrel, 6-a first discharge port, 7-a second discharge port, 8-a first lifting plate, 9-a second lifting plate, 10-a first mounting groove, 11-a first mounting plate, 12-a rack, 13-a half gear, 14-a telescopic rod, 15-a first connecting rod, 16-a first through hole, 17-a first sliding groove, 18-a ball, 19-a first driving motor, 1901-a motor box, 20-a first rotating shaft, 21-a supporting column, 22-a first rotating groove, 23-a first grinding roller, 24-a first annular plate, 25-second rotating shafts, 26-third rotating shafts, 27-second annular plates, 2701-rotating through holes, 28-second grinding rollers, 29-third grinding rollers, 30-main gears, 31-first auxiliary gears, 32-second auxiliary gears, 33-second connecting rods, 34-second rotating grooves, 35-third rotating grooves, 36-first feeding channels, 37-feeding pipes, 3701-second feeding channels, 38-protective barrels, 39-second driving motors, 40-bidirectional screws, 41-nuts, 42-third connecting rods, 43-limiting grooves, 44-first pushing plates, 45-second pushing plates, 46-third pushing plates, 47-pulling plates, 48-pulling grooves and 49-spring steel plates.
Detailed Description
In order to enable those skilled in the art to better understand the technical solution of the present invention, the technical solution of the present invention is further described below with reference to the accompanying drawings and examples.
Embodiment one:
referring to fig. 1-12, the grinding device for processing the recycled fine aggregate comprises an outer barrel 1, wherein 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, the other end of the barrel cover 2 is in buckling connection with the outer barrel 1, so that the barrel cover 2 can be conveniently opened to overhaul or clean the inner part of the outer barrel 1, and aggregates in the outer barrel 1 can be prevented from overflowing out of the outer barrel 1 in the grinding process; the outer barrel 1 is rotatably connected with a grinding and screening barrel 3, and a grinding component is arranged in the grinding and screening barrel 3; a guide funnel 4 is arranged below the grinding and sieving barrel 3, the guide funnel 4 is fixedly connected with the inner side wall of the outer barrel 1, a storage barrel 5 is arranged below the guide funnel 4, the storage barrel 5 is fixedly connected with the bottom of the outer barrel 1, a first discharge hole 6 is arranged at the bottom of the storage barrel 5, and a second discharge hole 7 corresponding to the first discharge hole 6 is arranged at the bottom of the outer barrel 1; the outer barrel 1 is provided with a feeding component which is mutually communicated with the inside of the grinding and sieving barrel 3.
Specifically, the grinding and sieving barrel 3 includes a left baffle 301, a right baffle 302 and a cylindrical screen barrel 303, where 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 feeding hole can be formed on the screen barrel 303 as a feeding component (not shown in the figure), a screen matched with the feeding hole is movably connected at the feeding hole, the screen and the screen barrel 303 adopt a mode that one end is hinged and one end is in snap connection, so that the screen can be conveniently opened for feeding, and the feeding hole can be sealed after feeding, thereby facilitating the rotation operation of the grinding and sieving barrel 3. The grinding and screening barrel 3 can drive aggregate in the barrel to rotate to a higher position under the action of centrifugal force when rotating, the aggregate is ground through the grinding component in the falling process, the ground aggregate with the particle size meeting the requirement falls to the lower part of the screening barrel 303 through the screening barrel 303, enters into the storage barrel 5 under the flow guiding effect of the guide funnel 4, after the storage barrel 5 is full, the first discharge port 6 and the second discharge port 7 are opened for discharging, and when the aggregate is not discharged, sealing plugs are arranged at the first discharge port 6 and the second discharge port 7.
Further, a first driving motor 19 is installed on the outer side wall of the outer barrel 1, a motor box 1901 is arranged on the outer cover of the first driving motor 19, a heat dissipation hole is formed in the motor box 1901, a first rotating shaft 20 is connected to the output end of the first driving motor 19, 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 in rotational connection with the outer side wall of the outer barrel 1 through a bearing, and the first rotating shaft 20 is in welded fixed connection with the right baffle 302;
the inner side wall of the outer barrel 1, which is far away from the first driving motor 19, is fixedly provided with a support column 21, the support column 21 penetrates through the left baffle 301, and the support column 21 is rotationally connected with the left baffle 301 through a bearing; the support column 21 is close to one end of first pivot 20 has seted up first rotation groove 22, first pivot 20 is close to one end of support column 21 with first rotation groove 22 is also through the bearing rotation connection. When the first driving motor 19 works, the first rotating shaft 20 is driven to rotate, and because the first rotating shaft 20 is fixedly connected with the right baffle plate 302 of the grinding and sieving barrel 3, the first rotating shaft 20 can further drive the grinding and sieving barrel 3 to synchronously rotate when rotating, and the supporting column 21 plays a supporting role on the first rotating shaft 20 and one end, far away from the first driving motor 19, of the grinding and sieving barrel 3, and the rotation of the grinding and sieving barrel 3 is not influenced.
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 rotationally connected with the inner side wall of the screen barrel 303; the first annular plate 24 is rotatably connected with a second rotating shaft 25 and a third rotating shaft 26 near a side surface of the center of the screen barrel 303, 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 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, the edge of the second annular plate 27 is rotatably connected with the inner side wall of the screen barrel 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 formed in 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 fixedly fixed; the second rotating shaft 25 and the third rotating shaft 26 are respectively and fixedly sleeved with a second grinding roller 28 and a third grinding roller 29, the first rotating shaft 20 is fixedly sleeved with a main gear 30, the second rotating shaft 25 and the third rotating shaft 26 are respectively and fixedly sleeved with a first auxiliary gear 31 and a second auxiliary gear 32, and the first auxiliary gear 31 and the second auxiliary gear 32 are both in meshed connection with the main gear 30. The first rotating shaft 20 drives the main gear 30 to synchronously rotate when rotating, and the main gear 30 drives the first pinion 31 and the second pinion 32 meshed with the main gear 30 to rotate when rotating, so that the second rotating shaft 25 and the third rotating shaft 26 are driven to reversely rotate with the first rotating shaft 20, and the first grinding roller 23, the second grinding roller 28 and the third grinding roller 29 also reversely rotate along with the first rotating shaft, so that gaps between the first grinding roller 23, the second grinding roller 28 and the third grinding roller 29 can grind aggregate.
Further, the fixed connection manner between the first annular plate 24 and the second annular plate 27 is specifically: the second rotating shaft 25 and the third rotating shaft 26 are 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 through bearings, 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 fixedly connected with the corresponding second rotating groove 34 and third rotating groove 35 respectively, and the two ends of the second rotating shaft 25 and the third rotating shaft 26 are rotatably connected with the corresponding second rotating groove 34 and third rotating groove 35 respectively. When the second rotating shaft 25 and the third rotating shaft 26 rotate, the second connecting rod 33 inside is fixed, stability between the first annular plate 24 and the second annular plate 27 is guaranteed, the second rotating shaft 25 and the third rotating shaft 26 are connected with the second connecting rod 33 inside through bearings, and the second rotating groove 34 and the third rotating groove 35 outside are also connected with bearings, so that rotation of the second rotating shaft 25 and the third rotating shaft 26 cannot be influenced. When the first driving motor 19 works, the first rotating shaft 20 is driven to rotate, the grinding and sieving barrel 3 is driven to synchronously rotate, aggregate in the grinding and sieving barrel 3 is brought to the high position in the barrel under the action of centrifugal force and 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 also drives the second rotating shaft 25 and the third rotating shaft 26 to reversely rotate when rotating, so that the first grinding roller 23 and the second grinding roller 28 and the third grinding roller 29 are mutually matched to grind aggregate falling above the first rotating shaft, the ground aggregate is sieved out through the screen barrel 303 of the grinding and sieving barrel 3, aggregate which does not meet the particle size requirement continuously rotates along with the grinding and sieving barrel 3 to grind, and the grinding efficiency is improved.
Further, in order to improve the efficiency of the aggregate being lifted along with the rotation of the grinding and sieving barrel 3 in the grinding and sieving barrel 3, a plurality of lifting assemblies for lifting fine aggregate are uniformly and symmetrically fixed on the inner side wall of the sieving barrel 303, and the lifting assemblies are located between the first annular plate 24 and the second annular plate 27.
Specifically, the lifting assembly includes the first lifting plate 8 that has set firmly on the screen bucket 303 inside wall, the tip swing joint of first lifting plate 8 has second lifting plate 9, before whole lifting assembly rotates to the highest department and afterwards, second lifting plate 9 all keeps vertical state with first lifting plate 8, the triangular region that forms between first lifting plate 8, second lifting plate 9 and the screen bucket 303 can regard as the space of storage aggregate, avoid having dropped when the aggregate does not reach the highest department, when waiting that whole lifting assembly rotates to the screen bucket 303 highest point, second lifting plate 9 rotates to the state parallel with first lifting plate 8, second lifting plate 9 releases the restriction to the aggregate, the aggregate drops to the top of first grinding roller 23 and second grinding roller 28 and third grinding roller 29 under the action of gravity, thereby can improve grinding efficiency. More specifically, 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 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 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 perpendicular to the first mounting plate 11, the jacking height of one side of the first mounting groove 10 attached to the second lifting plate 9 is larger than that of the other side, so that the second lifting plate 9 is prevented from blocking the second lifting plate 9 when the top of the first lifting plate 8 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 part 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; the top of the first mounting plate 11 is also provided with a first sliding groove 17, the bottom of the rack 12 is provided with a plurality of balls 18 matched with the first sliding groove 17, and the first through hole 16 is communicated with the first sliding groove 17. The telescopic rod 14 adopts electric telescopic rod, and when the telescopic rod 14 extends, the rack 12 is driven to move through the first connecting rod 15, so that the half gear 13 meshed with the rack 12 is driven to rotate, and then the second lifting plate 9 can be driven to rotate, when the whole of the first lifting plate 8 and the second lifting plate 9 rotates to the highest point along with the screen barrel 303, the telescopic rod 14 is controlled to enable the second lifting plate 9 to rotate to be parallel to the first lifting plate 8, and aggregate can fall to the upper parts of the first grinding roller 23, the second grinding roller 28 and the third grinding roller 29.
In order to avoid detachment between the first lifting plate 8 and the second lifting plate 9, a traction plate 47 with a 1/4 circular arc is fixedly connected to the top of one side of the first mounting groove 10 corresponding to the first lifting plate 8, which is higher, a traction groove 48 matched with the traction plate 47 is formed in the bottom of the second lifting plate 9, friction pads are arranged between two side surfaces of the traction groove 48, which are close to the traction plate 47, and the friction pads are fixedly connected with the side walls of the traction groove 48; meanwhile, the size of the opening of the first mounting groove 10 at the bottom of the second lifting plate 9 is smaller than the size of the pulling plate 47 at one end inside the first mounting 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 fixed in a pulling way through the friction force between the two friction pads and the pulling plate 47, so that the second lifting plate 9 and the first lifting plate 8 are prevented from being separated; in addition, the pulling groove 48 may be configured as a T-shaped groove, and the two side walls of the pulling plate 47 are fixedly connected with T-shaped blocks having a shape matching that of the pulling groove 48, so that the second lifting plate 9 and the first lifting plate 8 can be prevented from falling off by mutually matching the T-shaped groove and the T-shaped blocks.
Working principle of the grinding device in this embodiment: when the grinding device of the embodiment is used, the barrel cover 2 is opened, the part, provided with the feed inlet, of the grinding and sieving barrel 3 is rotated to the uppermost part, the screen mesh at the feed inlet is opened, aggregate to be ground is added into the grinding and sieving barrel 3, and the feed inlet is sealed by using the screen mesh. Then start first driving motor 19, drive first pivot 20 and rotate, and then drive grinding screening bucket 3 synchronous rotation, aggregate in the grinding screening bucket 3 is carried to the interior highest department of grinding screening bucket 3 under centrifugal force and lifting unit's 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 simultaneously and reverse rotation, and then make first grinding roller 23 and second grinding roller 28 and the cooperation of third grinding roller 29 grind the aggregate that drops to its top, aggregate that accords with the particle diameter requirement after grinding is sieved out through grinding screening bucket 303 of grinding screening bucket 3, get into storage vat 5 through guide funnel 4, aggregate that does not accord with the particle diameter requirement continues to grind with grinding screening bucket 3 rotation and handles, and grinding efficiency is improved.
The working principle of the lifting assembly is as follows: before and after the whole lifting assembly rotates to 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 off when the aggregate does not reach the highest position, the telescopic rod 14 is controlled to stretch, the rack 12 is driven to move through the first connecting rod 15 so as to drive the half gear 13 meshed with the rack 12 to rotate, the second lifting plate 9 can be driven to rotate, and when the whole of the first lifting plate 8 and the second lifting plate 9 rotates to the highest position along with the screen barrel 303, the telescopic rod 14 is controlled to enable the second lifting plate 9 to rotate to be parallel to the first lifting plate 8, and the aggregate can fall above the first grinding roller 23, the second grinding roller 28 and the third grinding roller 29. And then the telescopic rod 14 is controlled to be shortened, so that the second lifting plate 9 rotates to be perpendicular to the first lifting plate 8, and the situation that the second lifting plate 9 is contacted with the second grinding roller 28 or the third grinding roller 29 to influence the operation of the device when the lifting assembly rotates along with the screen barrel 303 is avoided.
Embodiment two:
on the basis of the first embodiment, in order to realize continuous feeding, a new feeding component is arranged between the outer barrel 1 and the grinding and sieving barrel 3, as shown in fig. 13 and 14, the supporting column 21 penetrates through the barrel wall of the outer barrel 1, the supporting column 21 is fixedly connected with the barrel wall of the outer barrel 1, the feeding component 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;
one end of the support column 21, which is located 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.
The working principle of the feeding component in the embodiment is as follows: through the second feed channel 3701 in the feed pipe 37, aggregate enters the first feed channel 36 after passing through the second feed channel 3701, and then enters the interior of the grinding and sieving barrel 3 from the end opening of the first feed channel 36, so that continuous feeding can be realized through the feed pipe 37.
Embodiment III:
on the basis of the second embodiment, in order to avoid the situation that materials stored in the storage vat 5 after being ground are piled up to form a conical structure, the storage capacity in the storage vat 5 is reduced, a leveling component for leveling a material pile in the storage vat 5 is installed on the guide funnel 4, the leveling component is shown in fig. 15-17, the leveling component comprises a protection vat 38 fixedly connected with the guide funnel 4, two ends of the protection vat 38 penetrate through the guide funnel 4, the protection vat 38 is of a hollow structure, a second driving motor 39 is installed on the inner side wall of the outer vat 1, a bidirectional screw 40 is connected to an output shaft of the second driving motor 39, the bidirectional screw 40 is located in the hollow structure of the protection vat 38, one end of the bidirectional screw 40, which is far away from the second driving motor 39, is rotatably connected with the inner side wall of the outer vat 1, two spiral nuts 41 are sleeved on the bidirectional screw 40, the bottoms of each bidirectional screw nut 41 are fixedly connected with a third connecting rod 42, the bottoms of the protection vat 38 are provided with a third connecting rod 42, and the bottoms of the protection vat 38 are provided with a third connecting rod 43, and the third connecting rod 43 is fixedly connected with the hollow groove 43.
The push plate assembly comprises a first push plate 44 fixedly arranged at the bottom of the third connecting rod 42, a second push plate 45 is fixedly connected to the bottom of the first push plate 44, the second push plate 45 is perpendicular to the first push plate 44, a third push plate 46 is fixedly connected to the end part of the second push plate 45, and the third push plate 46 is perpendicular to the second push plate 45; the second push plate 45 and the third push plate 46 form an L-shaped structure, when the first push plate 44 moves to the edge of the material guiding funnel 4, the third push plate 46 can push aggregate to the edge of the material storage barrel 5, so that the discharging efficiency of the material storage barrel 5 is improved.
Further, the bottom of the third pushing plate 46 may be provided with a saw tooth shape, so as to reduce the resistance in the pushing process.
The working principle of the pushing assembly in the embodiment is as follows: when the aggregates in the storage bucket 5 are piled into a higher conical structure, the second driving motor 39 is started to drive the bidirectional screw rod 40 to rotate, so that the two screw rod nuts 41 are driven to move in opposite directions, the push plate assembly is driven to move, and the aggregates are pushed to be flat through the first push plate 44 and the third push plate 46.
Embodiment four:
on the basis of the first embodiment, in order to avoid that aggregate falls into the first installation groove 10 to affect 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, which is relatively small in the height of the first installation groove 10, of the first lifting plate 8, the spring steel plate 49 is in an arc-shaped structure in an original state, the inner side wall of the spring steel plate 49 is in lap joint (contact but not connected) with the second lifting plate 9, and a corner, where the second lifting plate 9 contacts with the spring steel plate 49, is in a rounded corner structure, as shown in fig. 18. In the process of rotating the second lifting plate 9 anticlockwise, the spring steel plate 49 is extruded to deform, in the process of rotating the second lifting plate 9 clockwise, the spring steel plate 49 is not extruded by the second lifting plate 9, and due to the elasticity of the spring steel plate, 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 kept in a lap joint state, and aggregate is prevented from falling into the first mounting groove 10.
The foregoing has shown and described the basic principles, principal 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, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (8)

1. The grinding device for processing the 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: the outer barrel (1) is rotationally connected with a grinding and screening barrel (3), and a grinding component is arranged in the grinding and screening barrel (3); the grinding and screening device is characterized in that a guide funnel (4) is arranged below the grinding and screening barrel (3), the guide funnel (4) is fixedly connected with the inner side wall of the outer barrel (1), a storage barrel (5) is arranged below the guide funnel (4), the 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 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 which is communicated with the inside of the grinding and sieving barrel (3);
the grinding and screening barrel (3) comprises a left baffle plate (301), a right baffle plate (302) and a cylindrical screen barrel (303), wherein the left baffle plate (301) and the right baffle plate (302) are respectively fixedly connected with the left end and the right end of the screen barrel (303), and a plurality of lifting assemblies for lifting fine aggregate are uniformly and symmetrically fixed on the inner side wall of the screen barrel (303);
the lifting assembly comprises a first lifting plate (8) fixedly arranged on the inner side wall of the screen barrel (303), and a second lifting plate (9) is movably connected to the end part of the first lifting plate (8); 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 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 meshed with the top of the rack (12), and the second lifting plate (9) is fixedly arranged at the top of the half gears (13); when the second lifting plate (9) is perpendicular to the first mounting plate (11), the jacking height of one side of a first mounting groove (10) attached to the second lifting plate (9) is larger than that of the other side.
2. A grinding apparatus for processing recycled fine aggregate according to claim 1, wherein: the telescopic rod (14) is arranged at the bottom of the first mounting groove (10), the telescopic rod (14) is positioned in the middle of the first mounting groove (10), a first connecting rod (15) is fixedly arranged at the end part of the telescopic rod (14), the first connecting rod (15) penetrates through the first mounting 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 mounting plate (11); the top of first mounting panel (11) has still seted up first sliding tray (17), a plurality of with first sliding tray (17) assorted ball (18) are installed to the bottom of rack (12), first through-hole (16) with first sliding tray (17) intercommunication.
3. A grinding apparatus for processing recycled fine aggregate according to claim 1, wherein: a first driving motor (19) is arranged 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 rotationally 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);
the outer barrel (1) is far away from the inner side wall of the first driving motor (19), a supporting column (21) is fixedly arranged on the inner side wall of the outer barrel, the supporting column (21) penetrates through the left baffle plate (301), and the supporting column (21) is rotationally connected with the left baffle plate (301); the support column (21) is close to one end of the first rotating shaft (20) and is provided with a first rotating groove (22), and one end of the first rotating shaft (20) close to the support column (21) is rotationally connected with the first rotating groove (22).
4. A grinding apparatus for processing recycled fine aggregate according to claim 3, 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 rotationally connected with the inner side wall of the screen barrel (303); the first annular plate (24) is close to one side face of the center of the screen barrel (303) and is rotationally 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 end, away from the first annular plate (24), of the second rotating shaft (25) and the third rotating shaft (26) is rotationally 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 rotationally 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 rotationally connected with the second annular plate (27). The lifting assembly is located between the first annular plate (24) and the second annular plate (27);
the second rotating shaft (25) and the third rotating shaft (26) are fixedly sleeved with a second grinding roller (28) and a third grinding roller (29) respectively, the first rotating shaft (20) is fixedly sleeved with a main gear (30), the second rotating shaft (25) and the third rotating shaft (26) are fixedly sleeved with a first pinion (31) and a second pinion (32) respectively, and the first pinion (31) and the second pinion (32) are both meshed and connected with the main gear (30).
5. A grinding apparatus for processing recycled fine aggregate according to claim 4, wherein: the second rotating shaft (25) and the third rotating shaft (26) are 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 two ends of the second connecting rod (33) are fixedly connected with the corresponding second rotating groove (34) and the corresponding third rotating groove (35) respectively, and the two ends of the second rotating shaft (25) and the corresponding third rotating shaft (26) are connected with the corresponding second rotating groove (34) and the corresponding third rotating groove (35) in a rotating mode respectively.
6. A grinding apparatus for processing recycled fine aggregate according to claim 3, wherein: the support column (21) penetrates through the barrel wall of the outer barrel (1), the support column (21) is fixedly connected with the barrel wall of the outer barrel (1), the feeding component comprises a first feeding channel (36) arranged in the support column (21), and the first feeding channel (36) is positioned below the first rotating groove (22);
one end of the support column (21) positioned 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).
7. A grinding apparatus for processing recycled fine aggregate according to claim 1, wherein: install on guide funnel (4) and be used for right the stock pile in storage vat (5) pushes away the flat subassembly that pushes away, push away flat subassembly include with guide funnel (4) fixed connection's protection bucket (38), the both ends of protection bucket (38) all run through guide funnel (4), protection bucket (38) are hollow structure, install second driving motor (39) on the inside wall of outer bucket (1), be connected with bi-directional lead screw (40) on the output shaft of second driving motor (39), bi-directional lead screw (40) are located in the hollow structure of protection bucket (38), just bi-directional lead screw (40) keep away from one end of second driving motor (39) with the inside wall rotation connection of outer bucket (1), the two of bi-directional lead screw (40) all revolve upward the cover and be equipped with lead screw nut (41), every the bottom of lead screw nut (41) all fixedly connected with third connecting rod (42), the bottom of protection bucket (38) seted up with third connecting rod (42) with the hollow structure (43) the spacing groove (43) of connecting rod (43) that matches.
8. A grinding apparatus for processing recycled fine aggregate according to claim 7, wherein: the push plate assembly comprises a first push plate (44) fixedly arranged at the bottom of the third connecting rod (42), a second push plate (45) is fixedly connected to the bottom of the first push plate (44), the second push plate (45) is perpendicular to the first push plate (44), a third push plate (46) is fixedly connected to the end part of the second push plate (45), and the third push plate (46) is perpendicular to the second push plate (45); the bottom of the third push plate (46) is serrated.
CN202210379768.9A 2022-04-12 2022-04-12 Grinding device for processing recycled fine aggregate Active CN114904610B (en)

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CN114904610B true CN114904610B (en) 2024-03-19

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Citations (5)

* Cited by examiner, † Cited by third party
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
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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