CN114558681A - Fitment is with abandonment ceramic tile recovery processing equipment - Google Patents

Fitment is with abandonment ceramic tile recovery processing equipment Download PDF

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Publication number
CN114558681A
CN114558681A CN202210406002.5A CN202210406002A CN114558681A CN 114558681 A CN114558681 A CN 114558681A CN 202210406002 A CN202210406002 A CN 202210406002A CN 114558681 A CN114558681 A CN 114558681A
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belt pulley
crushing
wheel
plate
groups
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CN202210406002.5A
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CN114558681B (en
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张文
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An Changqun
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Individual
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C21/00Disintegrating plant with or without drying of the material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00Auxiliary 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
    • B02C23/02Feeding devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00Auxiliary 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
    • B02C23/04Safety devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00Auxiliary 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
    • B02C23/18Adding fluid, other than for crushing or disintegrating by fluid energy
    • B02C23/24Passing gas through crushing or disintegrating zone
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C2201/00Codes relating to disintegrating devices adapted for specific materials
    • B02C2201/06Codes relating to disintegrating devices adapted for specific materials for garbage, waste or sewage
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00Technologies relating to the processing of minerals
    • Y02P40/60Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Pulverization Processes (AREA)

Abstract

A recovery processing device of waste ceramic tiles for decoration belongs to the technical field of ceramic tile recovery, and aims to solve the problem that a traditional recovery processing device is inconvenient to pass through a primary crushing step before hammer crushing; the rotary crushing mechanism does reciprocating small-amplitude swinging motion, so that waste ceramic tiles are crushed by utilizing a plurality of groups of inclined triangular strips, the waste ceramic tiles are decomposed into a large number of small blocks from large blocks, the crushing effect of the rotary crushing mechanism is enhanced by connecting the springs to drive the crushing plate to vibrate in the continuous reciprocating small-amplitude swinging of the rotary crushing mechanism, the nut is screwed down by utilizing a tool inside the adjusting cavity, the distance between the lower end of the crushing plate and the inner wall of the first feeding cavity is increased, and the waste ceramic tiles with larger thickness can be accommodated and crushed by the rotary crushing mechanism through the primary crushing opening.

Description

Fitment is with abandonment ceramic tile recovery processing equipment
Technical Field
The invention relates to the technical field of ceramic tile recovery, in particular to a waste ceramic tile recovery and treatment device for decoration.
Background
The ceramic tile is made up by using refractory metal oxide and semimetal oxide through the processes of grinding, mixing, pressing, glazing and sintering, and is a kind of acid-and alkali-resistant porcelain or stone material for building or decorative material, so-called ceramic tile. The raw materials are mostly formed by mixing clay and quartz sand through high-temperature post-compression and the like, the high-hardness ceramic tile has high hardness, and when the ceramic tile is used for a long time or is damaged accidentally, the ceramic tile becomes a waste ceramic tile which can not be used, and the waste ceramic tile needs to be recycled.
Traditional abandonment ceramic tile recovery processing device is not convenient for through preliminary broken step before the hammer is broken, lead to the ceramic tile of great volume not to be convenient for carry on breakage, retrieve comparatively to limit to, and traditional abandonment ceramic tile recovery processing device is not convenient for carry on when broken, build approximate airtight environment and absorb the dust that produces, lead to when retrieving abandonment ceramic tile, can produce a large amount of dust, influence staff's physical and mental health, traditional abandonment ceramic tile recovery processing device is not convenient for set up the conveyor that has protective structure, lead to conveyor easily damaged by external object.
In order to solve the problems, a recovery processing device for the decoration waste ceramic tiles is provided.
Disclosure of Invention
The invention aims to provide waste ceramic tile recycling equipment for decoration, and solves the problems that a traditional waste ceramic tile recycling device in the background technology is inconvenient to pass through a primary crushing step before hammer crushing, so that ceramic tiles with larger volume are inconvenient to crush and recycling is limited, the traditional waste ceramic tile recycling device is inconvenient to crush and simultaneously creates an approximate closed environment to absorb generated dust, so that a large amount of dust can be generated when the waste ceramic tiles are recycled, the physical and psychological health of workers is affected, and the traditional waste ceramic tile recycling device is inconvenient to arrange a conveying device with a protection structure, so that the conveying device is easily damaged by external objects.
In order to achieve the purpose, the invention provides the following technical scheme: waste ceramic tile recovery processing equipment for decoration comprises a primary crushing box and a hammer secondary crushing box arranged at the lower end of the primary crushing box, wherein a conveying mechanism is fixedly arranged inside the lower end of the hammer secondary crushing box, a first feeding cavity is formed inside the primary crushing box, a shielding assembly is arranged at the upper end inside the first feeding cavity, a rotary crushing mechanism is further arranged inside the first feeding cavity, a transmission mechanism is movably arranged on one side of the primary crushing box and one side of the hammer secondary crushing box and comprises a first belt pulley arranged on the outer side of the upper end of the primary crushing box and a second belt pulley connected to one side of the first belt pulley through belt rotation, the first belt pulley is driven by a motor, the second belt pulley is connected with a third belt pulley through a shaft, and the lower end of the third belt pulley is connected with a fourth belt pulley through belt rotation, the fourth belt pulley is movably arranged on the outer side of the hammer type secondary crushing box, and two groups of transmission mechanisms are arranged;
the first feeding cavity comprises a primary crushing opening formed in one side of the rotary crushing mechanism and an adjusting cavity formed in the other side of the rotary crushing mechanism, the primary crushing opening and the adjusting cavity are combined into a first feeding cavity whole body, the rotary crushing mechanism comprises a rotary plate arranged in the first feeding cavity and a movable connecting shaft arranged on one side of the upper end of the rotary plate, a crushing plate is arranged on one side of the rotary plate, the rotary plate is movably connected with the crushing plate through the movable connecting shaft, a triangular strip is arranged on one side of the crushing plate and provided with a plurality of groups, the crushing plate is obliquely arranged on one side of the rotary plate, a fixed semicircular groove is formed in one side of the rotary plate, a connecting spring is arranged on the other side of the rotary plate, a thread groove is formed in the bottom of the rotary plate, an adjusting component is arranged on a thread in the thread groove, the connecting springs, the thread groove and the adjusting component are provided with a plurality of groups, and the crushing plate is connected with the rotary plate through the plurality of groups of connecting springs, a first meshing wheel is arranged on one side of the rotating plate, a second meshing wheel is meshed with one side of the first meshing wheel, the first meshing wheel and the second meshing wheel are components made of the same structure, reciprocating rotating wheels are arranged on one sides of the first meshing wheel and the second meshing wheel, fixing columns are arranged on the outer side of the first meshing wheel and are provided with a plurality of groups, the first meshing wheel is meshed with the reciprocating rotating wheels through the fixing columns, the second meshing wheel is meshed with the reciprocating rotating wheels through the plurality of groups of fixing columns on the outer side of the second meshing wheel, a linkage shaft is arranged on one side of the first meshing wheel and is connected with a first belt pulley, and the first meshing wheel, the second meshing wheel and the reciprocating rotating wheels are all located in the primary crushing box;
the adjusting assembly comprises a first threaded column which is in threaded connection with the inside of the threaded groove, an embedded column is embedded on one side of the first threaded column, a movable connector is arranged at one end of the embedded column and is movably connected with one side of the crushing plate, a nut is in threaded connection with the outer side of the first threaded column, a limiting head is arranged at the other end of the first threaded column, the diameter of the limiting head is larger than that of the threaded groove, and the limiting head and the nut are both positioned on the same side of the rotating plate;
the reciprocating rotation wheel is characterized in that a connecting column is arranged on one side of the reciprocating rotation wheel, a first bearing and a second bearing are arranged on the outer side of the connecting column, the connecting column is fixedly connected with the rotation plate through a fixed semicircular groove, and the first bearing and the second bearing are both arranged inside the primary crushing box.
Further, shield the subassembly including setting up at the inside fixed strip of preliminary broken mouthful, fixed strip one side is provided with shields the rubber strip, and shields the rubber strip and all set up two sets ofly with the fixed strip, and two sets of shield the relative setting of rubber strip, a set of fixed strip upper end be provided with the exhaust tube, and the exhaust tube sets up four groups.
Further, second belt pulley one side is provided with the transmission shaft, and the transmission shaft runs through a set of fixed strip, and this a set of fixed strip is inside to be seted up and to inhale the wind chamber, and the chamber that induced drafts sets up two sets ofly, and the transmission shaft outside is provided with spacing shell, and spacing shell and the intracavity wall fixed connection that induced drafts, exhaust tube and the chamber of induced drafting are linked together.
Furthermore, a first transmission wheel is arranged inside the limiting shell and arranged outside the transmission shaft, a second transmission wheel is meshed with one side of the first transmission wheel and is arranged inside the limiting shell, a rotating fan is arranged on the second transmission wheel through a shaft and is arranged inside the air suction cavity, and the air suction cavity is communicated with the primary crushing port.
Further, hammer secondary crushing case upper end is inside to be seted up the second feeding chamber, and the inside activity of second feeding chamber is provided with quartering hammer mechanism, and hammer secondary crushing case upper end has still been seted up the storage chamber, and the dust entry has been seted up to storage chamber upper end, and the dust entry sets up four groups, four groups the dust entry and four groups exhaust tube phase-match, the exhaust tube runs through just broken case and is linked together with the storage chamber, and the gomphosis of storage chamber both sides is provided with dust filter screen piece, and dust filter screen piece sets up two sets ofly.
Further, hammer secondary crushing case lower extreme is provided with the chassis strip, and the inside centre gripping groove and the component groove of having seted up of chassis strip, and centre gripping groove and component groove communicate mutually, and the activity of centre gripping inslot portion is provided with the centre gripping subassembly, and fourth belt pulley one side activity is provided with the fifth belt pulley, and fifth belt pulley one side is provided with the sixth belt pulley, and the fifth belt pulley passes through the belt and is connected with the transmission of sixth belt pulley.
Further, a rotating shaft is arranged on one side of the sixth belt pulley, a driving assembly is arranged on one side of the fifth belt pulley, the conveying mechanism comprises a fixed rack arranged inside the component groove, a conveying belt is arranged at the bottom end of the inside of the rack, the protecting strips are arranged in the embedded mode inside the rack, the protecting strips are arranged in two groups, the rotating shaft is connected with a rotating shaft inside the conveying belt, and one end of the driving assembly is movably arranged inside the protecting strips.
Further, drive the subassembly including the activity setting at the inside spacing ring of protection slat, spacing ring one end is provided with connects the revolving bar, connects revolving bar one end and is provided with second screw thread post, and second screw thread post threaded connection is inside the chassis strip, and the diameter of connecting the revolving bar is less than the diameter of second screw thread post.
Furthermore, one end of the second threaded column is provided with a telescopic shaft, one end of the telescopic shaft is provided with a movable strip, an inner cavity is formed in the movable strip, the telescopic shaft is embedded in the inner cavity, an electric telescopic column is arranged in the movable strip, one end of the electric telescopic column is located in the inner cavity, a gap cavity is formed in the chassis strip, and part of the second threaded column is located in the gap cavity.
Furtherly, both sides have seted up the UNICOM groove about the centre gripping groove, and the gomphosis of UNICOM inslot portion is provided with the grip block, and grip block one side is provided with the arc, and the gomphosis of grip block inside is provided with the spring guide pillar, and the spring guide pillar sets up the multiunit, multiunit spring guide pillar one end gomphosis in the UNICOM inslot portion.
Compared with the prior art, the invention has the following beneficial effects:
1. the recovery processing equipment for the waste ceramic tiles for decoration provided by the invention has the advantages that when the waste ceramic tiles are required to be crushed, the waste ceramic tiles enter the primary crushing opening through the shielding assembly, the motor drives the first belt pulley to rotate, namely, the first meshing wheel and the second meshing wheel are driven to rotate, the rotation of the fixed columns drives the reciprocating rotating wheel to rotate in the forward direction due to the matching of the plurality of groups of fixed columns and the reciprocating rotating wheel, when the reciprocating rotating wheel is separated from the fixed columns, the reciprocating rotating wheel is contacted with the fixed columns on the side surfaces of the second meshing wheel, the reciprocating rotating wheel rotates in the reverse direction at the moment, namely, the reciprocating rotating wheel drives the connecting columns and the rotary crushing mechanism to do reciprocating small-amplitude swinging motion in the continuous rotation of the first meshing wheel and the second meshing wheel, so that the waste ceramic tiles are crushed by utilizing the inclined groups of triangular strips, and are decomposed into a large number of small blocks, and connect through the connecting spring of multiunit between crushing shell and the rotor plate, in the continuous reciprocal small amplitude swing of rotatory crushing mechanism, connecting spring drives the crushing shell and shakes, strengthen the crushing effect of rotatory crushing mechanism, the gomphosis post can reciprocate inside first screw thread post this moment, do not influence the compression and the tensile of connecting spring, when the thickness of abandonment ceramic tile is great, through utilizing the instrument to tighten the nut in adjusting intracavity portion, multiunit connecting spring has been compressed promptly, make the interval of crushing shell lower extreme and rotor plate lower extreme reduce, crushing shell lower extreme and the increase of first pan feeding intracavity wall interval this moment, can hold the great abandonment ceramic tile of thickness and do not rotate crushing mechanism breakage through preliminary broken mouthful.
2. When the motor drives the first belt pulley to rotate forward, the second belt pulley is driven to rotate, at the same time, the transmission shaft drives the first transmission wheel and the second transmission wheel to rotate, namely, the rotating fan is driven to rotate, at the moment, the rotating fan sucks the dust generated by the primary crushing opening and the crushing in the hammer type secondary crushing box into the air exhaust pipe, the dust enters the storage cavity through the dust inlet by the transmission of the air exhaust pipe, the dust filter screen block can block the dust, so that dust is stored in the storage cavity, the waste ceramic tiles need to enter the primary crushing port through two groups of shielding rubber strips, when the abandonment ceramic tile enters into preliminary broken mouthful inside completely, two sets of rubber strips that shield can block flying upward of dust, have built the environment of approximate sealing, have increased the absorption efficiency of dust.
3. The invention provides a recovery processing device for waste ceramic tiles used for decoration, wherein a third belt pulley, a fourth belt pulley, a fifth belt pulley and a sixth belt pulley are driven to rotate by the forward rotation of a second belt pulley, a driving component is driven to rotate by the rotation of the fourth belt pulley, the protection laths move towards the interior of a clamping groove due to the rotation of a limiting ring movably arranged in the protection laths, namely, two groups of protection laths move from the position shielded at the upper end of a conveying belt until the protection laths are extruded by two groups of clamping plates, at the moment, all parts of the second threaded columns rotate to the interior of a clearance cavity, a connecting rotating strip is positioned at the threaded position of the second threaded columns and a bottom plate strip, a telescopic shaft is completely embedded in the interior of the cavity, one end of the telescopic shaft is contacted with an electric telescopic column, namely, at the moment, the rotation of the second threaded columns can not drive the protection laths to move, the conveyer belt is completely exposed, the crushed aggregates after being crushed by the rotary crushing mechanism for the first time and then crushed by the crushing hammer mechanism for the second time are transported, when the protective strip plates are clamped by the two groups of clamping plates, the spring guide post can buffer the force generated when the crushed aggregates impact the conveying belt, the rotation of the sixth belt pulley can drive the rotation shaft to rotate, and the rotation shaft is connected with the rotation shaft in the conveying belt through a shaft, namely, the rotating shaft drives the conveying belt to rotate and transport, when the device finishes working, the first belt pulley is driven to rotate reversely, second screw thread post can the counter rotation promptly, meanwhile, electric telescopic column stretches out, promotes telescopic shaft and second screw thread post and removes, second screw thread post position can with chassis strip internal thread connection, second screw thread post continues to rotate, can drive the removal of protection slat until the rotation of second screw thread post for two sets of protection slats shield the conveyer belt again.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the transmission mechanism and the rotary crushing mechanism of the present invention;
FIG. 3 is a schematic view of the structure of the gyratory crusher mechanism of the present invention;
FIG. 4 is a schematic view of the adjusting assembly of the present invention;
FIG. 5 is a schematic view of the first meshing wheel, the second meshing wheel and the reciprocating rotary wheel of the present invention;
FIG. 6 is a schematic view of the structure of the connecting column, the first bearing and the second bearing of the present invention;
FIG. 7 is a schematic view of the shutter assembly and a second pulley of the present invention;
FIG. 8 is a schematic plan view of the suction chamber of the present invention;
FIG. 9 is a schematic view of the structure of the hammer type secondary crushing box of the present invention;
FIG. 10 is a schematic view of the conveying mechanism of the present invention;
FIG. 11 is a schematic plan view of the driving assembly, the clamping groove and the clamping assembly of the present invention.
In the figure: 1. a primary crushing box; 2. a hammer type secondary crushing box; 21. a second feeding cavity; 22. a breaking hammer mechanism; 23. a storage chamber; 231. a dust inlet; 24. a dust filter screen block; 25. a chassis bar; 251. a void cavity; 26. a clamping groove; 261. a communicating groove; 27. a clamping assembly; 271. a clamping plate; 272. an arc-shaped plate; 273. a spring guide post; 28. a component slot; 29. a fifth belt pulley; 291. a sixth belt pulley; 3. a first feeding cavity; 31. a primary crushing port; 32. an adjustment chamber; 4. a shutter assembly; 41. a fixing strip; 42. shielding the rubber strip; 43. an air exhaust pipe; 5. a transmission mechanism; 51. a first pulley; 52. a second pulley; 521. a drive shaft; 522. a limiting shell; 5221. a first drive pulley; 5222. a second transmission wheel; 5223. a rotating fan; 523. a suction chamber; 53. a third belt pulley; 54. a fourth belt pulley; 6. a rotary crushing mechanism; 61. a rotating plate; 611. fixing the semicircular groove; 612. a connecting spring; 613. a thread groove; 62. a movable connecting shaft; 63. a breaker plate; 64. a triangular strip; 65. an adjustment assembly; 651. a first threaded post; 652. a fitting column; 653. a movable connector; 654. a nut; 655. a limiting head; 66. a first meshing wheel; 661. fixing a column; 662. a linkage shaft; 67. a second meshing wheel; 68. a reciprocating rotating wheel; 681. connecting columns; 682. a first bearing; 683. a second bearing; 7. a conveying mechanism; 71. a frame; 72. a conveyor belt; 73. a protective slat; 74. a driving component; 741. a second threaded post; 742. a telescopic shaft; 743. an inner cavity; 744. a movable bar; 745. an electric telescopic column; 746. a limiting ring; 747. connecting the rotating strips; 75. a rotating shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to solve the technical problems that the conventional waste ceramic tile recovery and treatment device is inconvenient to pass through a primary crushing step before hammer crushing, so that ceramic tiles with larger volume are inconvenient to crush and recovery is limited, as shown in fig. 1-6, the following preferred technical scheme is provided:
waste ceramic tile recovery processing equipment for decoration comprises a primary crushing box 1 and a hammer secondary crushing box 2 arranged at the lower end of the primary crushing box 1, wherein a conveying mechanism 7 is fixedly arranged inside the lower end of the hammer secondary crushing box 2, a first feeding cavity 3 is formed inside the primary crushing box 1, a shielding component 4 is arranged at the upper end inside the first feeding cavity 3, a rotary crushing mechanism 6 is further arranged inside the first feeding cavity 3, a transmission mechanism 5 is movably arranged on one side of the primary crushing box 1 and one side of the hammer secondary crushing box 2, the transmission mechanism 5 comprises a first belt pulley 51 arranged on the outer side of the upper end of the primary crushing box 1 and a second belt pulley 52 connected to one side of the first belt pulley 51 through belt rotation, the first belt pulley 51 is driven through a motor, the second belt pulley 52 is connected with a third belt pulley 53 through a shaft, and the lower end of the third belt pulley 53 is connected with a fourth belt pulley 54 through belt rotation, and the fourth belt pulley 54 is movably arranged at the outer side of the hammer type secondary crushing box 2, and two groups of transmission mechanisms 5 are arranged.
The first feeding cavity 3 comprises a primary crushing opening 31 formed in one side of the rotary crushing mechanism 6 and an adjusting cavity 32 formed in the other side of the rotary crushing mechanism 6, the primary crushing opening 31 and the adjusting cavity 32 are combined into a whole body of the first feeding cavity 3, the rotary crushing mechanism 6 comprises a rotary plate 61 arranged in the first feeding cavity 3 and a movable connecting shaft 62 arranged on one side of the upper end of the rotary plate 61, a crushing plate 63 is arranged on one side of the rotary plate 61, the rotary plate 61 is movably connected with the crushing plate 63 through the movable connecting shaft 62, a triangular strip 64 is arranged on one side of the crushing plate 63, the triangular strips 64 are arranged in multiple groups, the crushing plate 63 is obliquely arranged on one side of the rotary plate 61, a fixed semicircular groove 611 is formed in one side of the rotary plate 61, a connecting spring 612 is arranged on the other side of the rotary plate 61, a thread groove 613 is formed in the bottom of the rotary plate 61, an adjusting component 65 is arranged on the inner thread of the thread groove 613, and the connecting spring 612, The thread groove 613 and the adjusting assembly 65 are provided with a plurality of sets, the crushing plate 63 is connected with the rotating plate 61 through a plurality of sets of connecting springs 612, one side of the rotating plate 61 is provided with a first engaging wheel 66, one side of the first engaging wheel 66 is engaged with a second engaging wheel 67, the first engaging wheel 66 and the second engaging wheel 67 are members made of the same structure, one side of the first engaging wheel 66 and one side of the second engaging wheel 67 are provided with a reciprocating rotating wheel 68, the outer side of the first engaging wheel 66 is provided with fixing columns 661, the fixing columns 661 are provided with a plurality of sets, the first engaging wheel 66 is engaged with the reciprocating rotating wheel 68 through the fixing columns 661, the second engaging wheel 67 is engaged with the reciprocating rotating wheel 68 through the plurality of sets of fixing columns 661 arranged on the outer side of the second engaging wheel 67, one side of the first engaging wheel 66 is provided with a linkage shaft 662, the linkage shaft 662 is connected with the first belt pulley 51, the first engaging wheel 66, the second engaging wheel 67 and the reciprocating rotating wheel 68 are all positioned inside the primary crushing box 1, adjusting part 65 includes threaded connection at the inside first screw post 651 of thread groove 613, the gomphosis in first screw post 651 one side is provided with gomphosis post 652, gomphosis post 652 one end is provided with movable connection head 653, movable connection head 653 and crushing board 63 one side swing joint, the outside threaded connection of first screw post 651 has the nut 654, the first screw post 651 other end is provided with spacing head 655, the diameter of spacing head 655 is greater than the diameter of thread groove 613, spacing head 655 and nut 654 all are in the same one side of rotor plate 61, reciprocal swiveling wheel 68 one side is provided with spliced pole 681, the spliced pole 681 outside is provided with first bearing 682 and second bearing 683, spliced pole 681 is through fixed half slot 611 and rotor plate 61 fixed connection, first bearing 682 and second bearing 683 all set up inside primary crushing case 1.
Specifically, when the waste ceramic tiles are required to be crushed, the waste ceramic tiles enter the primary crushing port 31 through the shielding assembly 4, at the moment, the motor drives the first belt pulley 51 to rotate, namely, the first meshing wheel 66 and the second meshing wheel 67 are driven to rotate, because a plurality of groups of fixing columns 661 are matched with the reciprocating rotation wheel 68, the rotation of the fixing columns 661 can drive the reciprocating rotation wheel 68 to rotate in the forward direction, after the reciprocating rotation wheel 68 is separated from the fixing columns 661, the reciprocating rotation wheel 68 can be in contact with the fixing columns 661 on the side surfaces of the second meshing wheel 67, at the moment, the reciprocating rotation wheel 68 can rotate in the reverse direction, namely, during the continuous rotation of the first meshing wheel 66 and the second meshing wheel 67, the reciprocating rotation wheel 68 can drive the connecting column 681 and the rotary crushing mechanism 6 to do reciprocating small-amplitude swinging motion, so that the waste ceramic tiles are crushed by utilizing a plurality of groups of inclined triangular strips 64, and are decomposed into a large number of small-size blocks, and the crushing plate 63 and the rotating plate 61 are connected through a plurality of groups of connecting springs 612, in the continuous reciprocating small-amplitude swing of the rotary crushing mechanism 6, the connecting springs 612 drive the crushing plate 63 to vibrate, the crushing effect of the rotary crushing mechanism 6 is enhanced, at the moment, the embedding columns 652 can be embedded in the first threaded columns 651 in a reciprocating mode, the compression and the stretching of the connecting springs 612 are not affected, when the thickness of the waste ceramic tile is large, the nuts 654 are screwed up by using tools in the adjusting cavity 32, namely, the plurality of groups of connecting springs 612 are compressed, the distance between the lower end of the crushing plate 63 and the lower end of the rotating plate 61 is reduced, at the moment, the distance between the lower end of the crushing plate 63 and the inner wall of the first feeding cavity 3 is increased, and the waste ceramic tile with large thickness can be crushed through the rotary crushing mechanism 6 through the primary crushing opening 31.
In order to solve the technical problems that the conventional waste ceramic tile recovery and treatment device is inconvenient to crush and simultaneously creates an approximate closed environment to absorb generated dust, so that a large amount of dust is generated when waste ceramic tiles are recovered, and the physical and mental health of workers is affected, as shown in fig. 7-9, the following preferred technical scheme is provided:
the shielding component 4 comprises a fixed strip 41 arranged inside the preliminary crushing port 31, one side of the fixed strip 41 is provided with a shielding rubber strip 42, two groups of the shielding rubber strips 42 and the fixed strip 41 are arranged, the two groups of the shielding rubber strips 42 are oppositely arranged, the upper end of one group of the fixed strip 41 is provided with an air suction pipe 43, the air suction pipes 43 are arranged in four groups, one side of a second belt wheel 52 is provided with a transmission shaft 521, the transmission shaft 521 penetrates through one group of the fixed strips 41, an air suction cavity 523 is arranged inside the group of the fixed strips 41, the air suction cavities 523 are arranged in two groups, a limiting shell 522 is arranged outside the transmission shaft 521, the limiting shell 522 is fixedly connected with the inner wall of the air suction cavity 523, the air suction pipe 43 is communicated with the air suction cavity 523, a first driving wheel 5221 is arranged inside the limiting shell 522, the first driving wheel 5221 is arranged outside the transmission shaft 521, one side of the first driving wheel 5221 is engaged with a second driving wheel 5222, and the position of the second driving wheel 5222 is arranged inside the limiting shell 522, the second drive wheel 5222 is provided with the rotating fan 5223 through the axle, the rotating fan 5223 position is inside in chamber 523 that induced drafts, chamber 523 that induced drafts is linked together with preliminary broken mouth 31, second feeding chamber 21 has been seted up to hammer secondary crushing case 2 upper end inside, the inside activity in second feeding chamber 21 is provided with quartering hammer mechanism 22, storage chamber 23 has still been seted up to hammer secondary crushing case 2 upper end, dust entry 231 has been seted up to storage chamber 23 upper end, and dust entry 231 sets up four groups, the dust entry 231 of four groups and the exhaust tube 43 phase-match of four groups, exhaust tube 43 runs through preliminary crushing case 1 and is linked together with storage chamber 23, the gomphosis of storage chamber 23 both sides is provided with dust filter screen block 24, and dust filter screen block 24 sets up two sets of.
Specifically, when the motor drives the first belt pulley 51 to rotate in the forward direction, the second belt pulley 52 is driven to rotate, and at this time, the transmission shaft 521 drives the first transmission wheel 5221 and the second transmission wheel 5222 to rotate, that is, the rotating fan 5223 is driven to rotate, at this time, the rotating fan 5223 sucks the dust generated by the primary crushing port 31 and the crushing inside the hammer type secondary crushing box 2 into the air suction pipe 43, and the dust enters the storage chamber 23 through the dust inlet 231 by the transmission of the air suction pipe 43, so that the dust can be blocked by the dust filter block 24, so that dust is stored inside the storage chamber 23, the waste tiles need to enter inside the preliminary crushing opening 31 through the two sets of masking rubber strips 42, when the waste ceramic tile completely enters the primary crushing opening 31, the two groups of shielding rubber strips 42 can prevent dust from flying, an approximately sealed environment is created, and the dust absorption efficiency is increased.
In order to solve the technical problem that the conventional waste ceramic tile recycling and treating device is inconvenient to arrange a conveying device with a protective structure, so that the conveying device is easily damaged by external objects, as shown in fig. 10-11, the following preferred technical solutions are provided:
the lower end of the hammer type secondary crushing box 2 is provided with a chassis strip 25, a clamping groove 26 and a component groove 28 are formed in the chassis strip 25, the clamping groove 26 is communicated with the component groove 28, a clamping component 27 is movably arranged in the clamping groove 26, a fifth belt pulley 29 is movably arranged on one side of a fourth belt pulley 54, a sixth belt pulley 291 is arranged on one side of the fifth belt pulley 29, the fifth belt pulley 29 is in transmission connection with the sixth belt pulley 291 through a belt, a gap cavity 251 is formed in the chassis strip 25, a rotating shaft 75 is arranged on one side of the sixth belt pulley 291, a driving component 74 is arranged on one side of the fifth belt pulley 29, the conveying mechanism 7 comprises a rack 71 fixedly arranged in the component groove 28, a conveying belt 72 is arranged at the bottom end position in the rack 71, protective strips 73 are embedded in the rack 71, two groups of protective strips 73 are arranged, and the rotating shafts 75 are connected with the rotating shaft in the conveying belt 72, one end of the driving component 74 is movably arranged inside the guard slat 73.
The driving assembly 74 includes a limiting ring 746 movably disposed inside the guard slat 73, one end of the limiting ring 746 is provided with a connecting rotation bar 747, one end of the connecting rotation bar 747 is provided with a second threaded column 741, the second threaded column 741 is threadedly connected inside the chassis bar 25, the diameter of the connecting rotation bar 747 is smaller than that of the second threaded column 741, one end of the second threaded column 741 is provided with a telescopic shaft 742, one end of the telescopic shaft 742 is provided with a movable bar 744, an inner cavity 743 is disposed inside the movable bar 744, the telescopic shaft 742 is embedded inside the inner cavity 743, an electric telescopic column 745 is disposed inside the movable bar 744, one end of the electric telescopic column 745 is located inside the inner cavity 743, a clearance cavity 251 is disposed inside the chassis bar 25, a part of the second threaded column 741 is located inside the clearance cavity 251, communicating grooves 261 are disposed on upper and lower sides of the clamping groove 26, a clamping plate 271 is embedded inside the communicating groove 261, one side of the clamping plate 271 is provided with an arc-shaped plate 272, the clamping plate 271 is internally provided with a plurality of groups of spring guide columns 273 in an embedded manner, and one ends of the plurality of groups of spring guide columns 273 are embedded in the communicating groove 261.
Specifically, the forward rotation of the second pulley 52 will drive the third pulley 53, the fourth pulley 54, the fifth pulley 29 and the sixth pulley 291 to rotate, the rotation of the fourth pulley 54 will drive the driving assembly 74 to rotate, because the spacing ring 746 is movably disposed inside the guard slat 73, the second threaded column 741 will rotate to move the guard slat 73 toward the inside of the holding slot 26, that is, the two sets of guard slats 73 will move from the position covered on the upper end of the conveyor belt 72 until the guard slat 73 is squeezed by the two sets of holding plates 271, at this time, all parts of the second threaded column 741 will rotate into the clearance cavity 251, the connecting rotating bar 747 will be in the threaded position of the second threaded column 741 and the chassis bar 25, the telescopic shaft 742 is completely embedded inside the inner cavity 743 and one end of the telescopic shaft contacts with the electric telescopic column 745, that at this time, the rotation of the second threaded column 741 will not drive the guard slat 73 to move, the conveyor belt 72 is completely exposed, the crushed aggregates after being crushed by the rotary crushing mechanism 6 for the first time and then crushed by the crushing hammer mechanism 22 for the second time are conveyed, when the guard slat 73 is clamped by the two sets of clamping plates 271, the arrangement of the spring guide columns 273 can buffer the force generated when the crushed aggregates impact the conveyor belt 72, the rotation of the sixth belt pulley 291 can drive the rotation shaft 75 to rotate, the rotation shaft 75 is connected with the rotation shaft inside the conveyor belt 72, that is, the rotation shaft 75 drives the conveyor belt 72 to rotate and convey, after the device is finished, the first belt pulley 51 is driven to rotate in the reverse direction, that is, the second threaded column 741 can rotate in the reverse direction, meanwhile, the electric telescopic column 745 extends out, the telescopic shaft 742 and the second threaded column 741 are pushed to move, the position of the second threaded column 741 can be connected with the internal thread of the chassis bar 25, the second threaded column 741 continues to rotate, until the rotation of the second threaded column 741 can drive the guard slat 73 to move, so that the two sets of guard slats 73 re-shield the conveyor belt 72.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. Fitment is with abandonment ceramic tile recovery processing equipment, including just broken case (1) and hammer secondary crushing case (2) of setting at just broken case (1) lower extreme, its characterized in that: the hammer type secondary crushing box comprises a hammer type secondary crushing box (2), wherein a conveying mechanism (7) is fixedly arranged inside the lower end of the hammer type secondary crushing box (2), a first feeding cavity (3) is formed inside a primary crushing box (1), a shielding component (4) is arranged at the upper end inside the first feeding cavity (3), a rotary crushing mechanism (6) is further arranged inside the first feeding cavity (3), a transmission mechanism (5) is movably arranged on one side of the primary crushing box (1) and one side of the hammer type secondary crushing box (2), the transmission mechanism (5) comprises a first belt pulley (51) arranged on the outer side of the upper end of the primary crushing box (1) and a second belt pulley (52) connected to one side of the first belt pulley (51) in a rotating mode through a belt, the first belt pulley (51) is driven through a motor, the second belt pulley (52) is connected with a third belt pulley (53) through a shaft, the lower end of the third belt pulley (53) is connected with a fourth belt pulley (54) through a belt in a rotating mode, and the fourth belt pulley (54) is movably arranged on the outer side of the hammer type secondary crushing box (2), two groups of transmission mechanisms (5) are arranged;
the first feeding cavity (3) comprises a primary crushing opening (31) arranged on one side of the rotary crushing mechanism (6) and an adjusting cavity (32) arranged on the other side of the rotary crushing mechanism (6), the primary crushing opening (31) and the adjusting cavity (32) are combined into a whole first feeding cavity (3), the rotary crushing mechanism (6) comprises a rotary plate (61) arranged inside the first feeding cavity (3) and a movable connecting shaft (62) arranged on one side of the upper end of the rotary plate (61), a crushing plate (63) is arranged on one side of the rotary plate (61), the rotary plate (61) is movably connected with the crushing plate (63) through the movable connecting shaft (62), triangular strips (64) are arranged on one side of the crushing plate (63), a plurality of groups of triangular strips (64) are arranged, the crushing plate (63) is obliquely arranged on one side of the rotary plate (61), a fixed semicircular groove (611) is formed in one side of the rotary plate (61), the other side of the rotating plate (61) is provided with a connecting spring (612), the bottom of the rotating plate (61) is provided with a thread groove (613), the thread groove (613) is internally provided with an adjusting assembly (65), the connecting spring (612), the thread groove (613) and the adjusting assembly (65) are all provided with a plurality of groups, the crushing plate (63) is connected with the rotating plate (61) through the plurality of groups of connecting springs (612), one side of the rotating plate (61) is provided with a first meshing wheel (66), one side of the first meshing wheel (66) is meshed with a second meshing wheel (67), the first meshing wheel (66) and the second meshing wheel (67) are members made of the same structure, one side of the first meshing wheel (66) and one side of the second meshing wheel (67) are provided with a reciprocating rotating wheel (68), the outer side of the first meshing wheel (66) is provided with a fixed column (661), the fixed columns (661) are provided with a plurality of groups, the first meshing wheel (66) is meshed with the reciprocating rotating wheel (68) through the fixed column (661), the second meshing wheel (67) is meshed with the reciprocating rotating wheel (68) through a plurality of groups of fixing columns (661) on the outer side of the second meshing wheel, a linkage shaft (662) is arranged on one side of the first meshing wheel (66), the linkage shaft (662) is connected with the first belt pulley (51), and the first meshing wheel (66), the second meshing wheel (67) and the reciprocating rotating wheel (68) are all positioned in the primary crushing box (1);
the adjusting assembly (65) comprises a first threaded column (651) in threaded connection with the inside of the threaded groove (613), a fitting column (652) is arranged on one side of the first threaded column (651) in a fitting mode, a movable connector (653) is arranged at one end of the fitting column (652), the movable connector (653) is movably connected with one side of the crushing plate (63), a nut (654) is in threaded connection with the outer side of the first threaded column (651), a limiting head (655) is arranged at the other end of the first threaded column (651), the diameter of the limiting head (655) is larger than that of the threaded groove (613), and the limiting head (655) and the nut (654) are both located on the same side of the rotating plate (61);
reciprocating rotation wheel (68) one side is provided with spliced pole (681), and spliced pole (681) outside is provided with first bearing (682) and second bearing (683), and spliced pole (681) is through fixed half slot (611) and rotor plate (61) fixed connection, and first bearing (682) and second bearing (683) all set up inside primary crushing case (1).
2. The recycling apparatus of waste ceramic tiles for finishing according to claim 1, wherein: the shielding assembly (4) comprises a fixing strip (41) arranged inside a primary crushing port (31), a shielding rubber strip (42) is arranged on one side of the fixing strip (41), the shielding rubber strip (42) and the fixing strip (41) are arranged in two groups, the shielding rubber strip (42) is arranged oppositely, an exhaust pipe (43) is arranged at the upper end of the fixing strip (41), and the exhaust pipe (43) is arranged in four groups.
3. The recycling apparatus of waste ceramic tiles for finishing according to claim 2, wherein: second belt pulley (52) one side is provided with transmission shaft (521), and transmission shaft (521) run through a set of fixed strip (41), and the chamber of induced drafting (523) has been seted up to this a set of fixed strip (41) inside, and induced drafting chamber (523) sets up two sets ofly, and transmission shaft (521) outside is provided with spacing shell (522), and spacing shell (522) and the chamber of induced drafting (523) inner wall fixed connection, and exhaust tube (43) and induced drafting chamber (523) are linked together.
4. The recycling apparatus of waste ceramic tiles for finishing according to claim 3, wherein: a first driving wheel (5221) is arranged inside the limiting shell (522), the first driving wheel (5221) is arranged on the outer side of the transmission shaft (521), a second driving wheel (5222) is meshed with one side of the first driving wheel (5221), the position of the second driving wheel (5222) is located inside the limiting shell (522), a rotating fan (5223) is arranged on the second driving wheel (5222) through a shaft, the position of the rotating fan (5223) is located inside the air suction cavity (523), and the air suction cavity (523) is communicated with the primary crushing port (31).
5. The recycling apparatus of waste ceramic tiles for finishing according to claim 2, wherein: hammer secondary crushing case (2) upper end is inside to be seted up second feeding chamber (21), and second feeding chamber (21) inside activity is provided with quartering hammer mechanism (22), and storage chamber (23) have still been seted up to hammer secondary crushing case (2) upper end, and dust entry (231) have been seted up to storage chamber (23) upper end, and dust entry (231) set up four groups, four groups dust entry (231) and four groups exhaust tube (43) phase-match, exhaust tube (43) run through just broken case (1) and are linked together with storage chamber (23), and storage chamber (23) both sides gomphosis is provided with dust filter screen piece (24), and dust filter screen piece (24) set up two sets ofly.
6. The recycling apparatus of waste ceramic tiles for finishing according to claim 5, wherein: the hammer type secondary crushing box (2) is characterized in that a bottom wire rod (25) is arranged at the lower end of the hammer type secondary crushing box (2), a clamping groove (26) and a component groove (28) are formed in the bottom wire rod (25), the clamping groove (26) is communicated with the component groove (28), a clamping assembly (27) is movably arranged in the clamping groove (26), a fifth belt pulley (29) is movably arranged on one side of a fourth belt pulley (54), a sixth belt pulley (291) is arranged on one side of the fifth belt pulley (29), and the fifth belt pulley (29) is in transmission connection with the sixth belt pulley (291) through a belt.
7. The recycling apparatus of waste ceramic tiles for finishing according to claim 6, wherein: a rotating shaft (75) is arranged on one side of the sixth belt pulley (291), a driving assembly (74) is arranged on one side of the fifth belt pulley (29), the conveying mechanism (7) comprises a rack (71) fixedly arranged inside the component groove (28), a conveying belt (72) is arranged at the bottom end position inside the rack (71), protective slats (73) are embedded inside the rack (71), two groups of protective slats (73) are arranged, the rotating shaft (75) is connected with a rotating shaft inside the conveying belt (72), and one end of the driving assembly (74) is movably arranged inside the protective slats (73).
8. The recycling apparatus of waste ceramic tiles for finishing according to claim 7, wherein: the driving assembly (74) comprises a limiting ring (746) movably arranged inside the protective slat (73), one end of the limiting ring (746) is provided with a connecting rotating strip (747), one end of the connecting rotating strip (747) is provided with a second threaded column (741), the second threaded column (741) is in threaded connection with the inside of the chassis strip (25), and the diameter of the connecting rotating strip (747) is smaller than that of the second threaded column (741).
9. The recycling apparatus of waste ceramic tiles for finishing according to claim 8, wherein: one end of the second threaded column (741) is provided with a telescopic shaft (742), one end of the telescopic shaft (742) is provided with a movable strip (744), an inner cavity (743) is formed in the movable strip (744), the telescopic shaft (742) is embedded in the inner cavity (743), an electric telescopic column (745) is arranged in the movable strip (744), one end of the electric telescopic column (745) is located in the inner cavity (743), a clearance cavity (251) is formed in the chassis strip (25), and part of the second threaded column (741) is located in the clearance cavity (251).
10. The recycling apparatus of waste ceramic tiles for finishing according to claim 6, wherein: the upper side and the lower side of the clamping groove (26) are provided with communicating grooves (261), a clamping plate (271) is arranged in the communicating grooves (261) in an embedded mode, an arc-shaped plate (272) is arranged on one side of the clamping plate (271), spring guide pillars (273) are arranged in the clamping plate (271) in an embedded mode, a plurality of groups of spring guide pillars (273) are arranged, and one ends of the spring guide pillars (273) are embedded in the communicating grooves (261).
CN202210406002.5A 2022-04-18 2022-04-18 Waste ceramic tile recovery processing equipment for decoration Active CN114558681B (en)

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Application Number Priority Date Filing Date Title
CN202210406002.5A CN114558681B (en) 2022-04-18 2022-04-18 Waste ceramic tile recovery processing equipment for decoration

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Application Number Priority Date Filing Date Title
CN202210406002.5A CN114558681B (en) 2022-04-18 2022-04-18 Waste ceramic tile recovery processing equipment for decoration

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CN114558681B CN114558681B (en) 2023-06-27

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3184829B1 (en) * 2000-12-28 2001-07-09 株式会社金城興業 Construction equipment combined type recycling equipment
CN107930834A (en) * 2017-11-28 2018-04-20 黄河科技学院 Building building cement waste crushing and clearing device
CN208244918U (en) * 2018-04-17 2018-12-18 湖北联诺建设有限公司 A kind of energy saving building castoff processing system
CN110465350A (en) * 2019-09-19 2019-11-19 云和县凯毅德电子设备厂 A kind of construction stone material crushing device
CN111468272A (en) * 2020-04-15 2020-07-31 新沂新硕混凝土有限公司 Multistage environmental protection breaker of concrete waste material
CN211463302U (en) * 2019-12-09 2020-09-11 安阳新顺成陶瓷有限公司 A breaker for useless ceramic tile for ceramic tile processing
CN112844765A (en) * 2021-03-12 2021-05-28 福州洪炜装饰设计有限公司 Fitment is with high-efficient broken handle equipment of abandonment ceramic tile
CN113715205A (en) * 2021-08-27 2021-11-30 南京欢颜包装有限公司 Raw material feeding device for PLA straw production and using method thereof
CN215029805U (en) * 2021-04-19 2021-12-07 赵静 High-efficient breaker of building rubbish for building engineering

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3184829B1 (en) * 2000-12-28 2001-07-09 株式会社金城興業 Construction equipment combined type recycling equipment
CN107930834A (en) * 2017-11-28 2018-04-20 黄河科技学院 Building building cement waste crushing and clearing device
CN208244918U (en) * 2018-04-17 2018-12-18 湖北联诺建设有限公司 A kind of energy saving building castoff processing system
CN110465350A (en) * 2019-09-19 2019-11-19 云和县凯毅德电子设备厂 A kind of construction stone material crushing device
CN211463302U (en) * 2019-12-09 2020-09-11 安阳新顺成陶瓷有限公司 A breaker for useless ceramic tile for ceramic tile processing
CN111468272A (en) * 2020-04-15 2020-07-31 新沂新硕混凝土有限公司 Multistage environmental protection breaker of concrete waste material
CN112844765A (en) * 2021-03-12 2021-05-28 福州洪炜装饰设计有限公司 Fitment is with high-efficient broken handle equipment of abandonment ceramic tile
CN215029805U (en) * 2021-04-19 2021-12-07 赵静 High-efficient breaker of building rubbish for building engineering
CN113715205A (en) * 2021-08-27 2021-11-30 南京欢颜包装有限公司 Raw material feeding device for PLA straw production and using method thereof

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