CN116809152B - Sand and stone crushing equipment for controlling granularity of concrete aggregate - Google Patents
Sand and stone crushing equipment for controlling granularity of concrete aggregate Download PDFInfo
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- CN116809152B CN116809152B CN202310833059.8A CN202310833059A CN116809152B CN 116809152 B CN116809152 B CN 116809152B CN 202310833059 A CN202310833059 A CN 202310833059A CN 116809152 B CN116809152 B CN 116809152B
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- 239000004576 sand Substances 0.000 title claims abstract description 112
- 239000004575 stone Substances 0.000 title claims abstract description 65
- 238000003756 stirring Methods 0.000 claims abstract description 25
- 238000000926 separation method Methods 0.000 claims abstract description 22
- 238000011084 recovery Methods 0.000 claims description 13
- 230000000903 blocking effect Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 abstract description 20
- 230000008569 process Effects 0.000 abstract description 14
- 230000003139 buffering effect Effects 0.000 abstract description 12
- 238000005381 potential energy Methods 0.000 abstract description 6
- 239000008187 granular material Substances 0.000 description 12
- 239000002245 particle Substances 0.000 description 11
- 239000000428 dust Substances 0.000 description 10
- 230000003028 elevating effect Effects 0.000 description 10
- 239000012535 impurity Substances 0.000 description 6
- 238000004544 sputter deposition Methods 0.000 description 5
- 239000011435 rock Substances 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C1/00—Crushing or disintegrating by reciprocating members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
-
- 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
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses sand and gravel crushing equipment for controlling concrete aggregate granularity, which relates to the technical field of sand and gravel crushing and comprises a feeding unit, a primary crushing assembly, a control assembly, a separation assembly, an output unit and a main machine box, wherein the feeding unit is arranged at the top of the main machine box, the main machine box is fixedly connected with the ground, the primary crushing assembly and the control assembly are arranged in the main machine box, the primary crushing assembly is arranged above the control assembly, the separation assembly is arranged at one side of the main machine box, and the output unit is connected with the separation assembly. According to the invention, the guide cone generates a first layer of buffering for falling sand and stone, the buffer plate generates a second layer of buffering for falling sand and stone, impact potential energy is reduced, vibration generated by the guide cone causes the stirring sheet to move up and down, and sand and stone are dredged in the process of moving up and down, so that sand and stone are assisted to be conveyed into the main cabinet in a concentrated manner. And when great grit appears, the removal range of stirring piece still can increase to dredge grit in advance and move the road downwards, avoid the massive grit to be stopped up.
Description
Technical Field
The invention relates to the technical field of sand and stone crushing, in particular to sand and stone crushing equipment for controlling the granularity of concrete aggregate.
Background
The sand crushing equipment is one of the key equipment indispensable in the mine and building construction industries. The main function of the device is to crush various ores, rocks, limestone and other materials into blocks with different specifications so as to meet the requirements of building, production and the like in different industries. The concrete aggregate is obtained after the sand and stone are crushed, but the existing sand and stone crushing equipment has more defects and cannot meet the use requirements.
When conventional sand and gravel crushing is arranged in sand and gravel input, if the input port is arranged to be larger, dust mixed in the sand and gravel easily overflows from crushing equipment, and the quality of surrounding air is affected. If the input port is smaller, larger sand is easy to clamp at the position of the input port, and the existing equipment has no effective solution to the problem.
The existing sand damage device cannot well control the granularity of generated aggregate when the sand is damaged, and further influences the quality of the generated concrete aggregate. On the other hand, the impact of falling in the process of sand and stone crushing, the impact of splashing when sand and stone crushing and the like can all cause great damage to crushing equipment, and long-term damage accumulation can shorten the service life of the crushing equipment.
Disclosure of Invention
The invention aims to provide sand crushing equipment for controlling the granularity of concrete aggregate, so as to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: sand and stone crushing equipment for controlling concrete aggregate granularity is characterized in that: crushing apparatus includes feed unit, preliminary crushing subassembly, control assembly, separation subassembly, output unit, mainframe box, and feed unit sets up at mainframe box top, mainframe box and ground fastening connection, and preliminary crushing subassembly, control assembly set up inside the mainframe box, and preliminary crushing subassembly sets up in the control assembly top, and separation subassembly sets up in mainframe box one side, and output unit and separation subassembly link to each other, and feed unit includes the feed area, goes into hopper, installing support and mainframe box lateral wall fastening connection, feed area and installing support fastening connection, go into the hopper setting in mainframe box top, go into hopper and mainframe box fastening connection. The feeding unit inputs the grit to preliminary broken subassembly, and the grit of great granule is broken through preliminary broken subassembly's processing, and the grit of less granule falls from the gap, and grit whole granule tends to be close, and rethread control assembly handles the grit, and the grit input separation subassembly after the processing, and separation subassembly gets rid of the too little part of granule in the grit, and qualified grit is finally sent out by output unit. According to the invention, the guide cone generates a first layer of buffering for falling sand and stone, the buffer plate generates a second layer of buffering for falling sand and stone, impact potential energy is reduced, vibration generated by the guide cone causes the stirring sheet to move up and down, and sand and stone are dredged in the process of moving up and down, so that sand and stone are assisted to be conveyed into the main cabinet in a concentrated manner. And when great grit appears, the removal range of stirring piece still can increase to dredge grit in advance and move the road downwards, avoid the massive grit to be stopped up.
Further, go into inside buffer unit that is provided with of hopper, buffer unit includes the direction awl, the connecting rod, the plectrum, the cross frame, the telescopic tube, pull the spring, the buffer board, direction awl and connecting rod top fastening connection, connecting rod and cross frame sliding connection, cross frame and mainframe inner wall fastening connection, plectrum and connecting rod fastening connection, the plectrum is provided with the multichip, multichip plectrum is around connecting rod evenly distributed, the plectrum setting is in the cross frame top, telescopic tube one end and cross frame fastening connection, the telescopic tube other end and buffer board fastening connection, buffer board and connecting rod lower extreme fastening connection, pull the spring cover on the connecting rod, pull the spring setting in telescopic tube is inside, pull spring one end and cross frame fastening connection, pull the spring other end and buffer board fastening connection. The grit gets into from the pan feeding mouth, and the in-process grit and leading cone contact earlier, and leading cone moves down under the impact of grit, pulls the spring and produces the resistance to the downmovement of connecting rod, when contacting great grit, the downmovement distance increase of leading cone. According to the invention, the guide cone generates a first layer of buffering for falling sand and stone, the buffer plate generates a second layer of buffering for falling sand and stone, impact potential energy is reduced, vibration generated by the guide cone causes the stirring sheet to move up and down, and sand and stone are dredged in the process of moving up and down, so that sand and stone are assisted to be conveyed into the main cabinet in a concentrated manner. And when great grit appears, the removal range of stirring piece still can increase to dredge grit in advance and move the road downwards, avoid the massive grit to be stopped up.
Further, the preliminary crushing subassembly includes first crushing roller, second crushing roller, power component, blocks the part, and mainframe box upper portion is provided with broken storehouse, power storehouse, and first crushing roller, second crushing roller set up inside broken storehouse, and first crushing roller, second crushing roller and broken storehouse lateral wall rotate to be connected, and power component sets up inside power storehouse, blocks the part setting at broken storehouse top. The power component drives the first crushing roller and the second crushing roller to rotate, the first crushing roller and the second crushing roller belong to conventional technical means in the field, specific structures are not described, larger particles in sand are crushed by the first crushing roller and the second crushing roller, smaller particles fall down from gaps of the first crushing roller and the second crushing roller, and the blocking component blocks sand sputtering generated in the sand rolling process.
Further, the power component comprises a first gear, a second gear and a driving motor, the first gear is in fastening connection with the first crushing roller, the second gear is in fastening connection with the second crushing roller, the driving motor is in fastening connection with the side wall of the power bin, an output shaft of the driving motor is in fastening connection with the first gear, and the first gear is meshed with the second gear. The driving motor drives the first gear to rotate, the first gear drives the second gear to rotate, the first gear drives the first crushing roller to rotate, and the second gear drives the second crushing roller to rotate.
Further, the blocking component comprises a guide plate, a lifting cavity, a guide pipe, an inflow port, a discharge net and a recovery pipe, wherein a connecting support is arranged at the bottom of the guide plate, the connecting support is fixedly connected with the side wall of the mainframe box, the lifting cavity is arranged on the upper portion of the guide plate, a buffer plate and the lifting cavity are in sliding connection, guide plates are arranged on two sides of the buffer plate, guide inclined planes are arranged on two sides of the guide plate, the buffer plate is not arranged on two side walls of the guide inclined planes, the side wall of the mainframe box is close to the side walls of the guide plates, the recovery pipe is arranged on two sides of the outer wall of the mainframe box, the discharge net is arranged at the connecting position of the recovery pipe and the mainframe box, the guide pipe and the inflow port are arranged inside the guide plate, one end of the guide pipe is communicated with the lifting cavity, one end of the inflow port is communicated with the lifting cavity, a one-way input valve is arranged inside the inflow port, and a one-way output valve is arranged inside the guide pipe. After the sand and stone enters the main machine box, the sand and stone are diffused to two sides under the guidance of the guide disc, and the vibration of the buffer plate can cause the change of air flow in the lifting cavity. When the buffer plate moves upwards, external air enters the lifting cavity from the inflow port, when the buffer plate moves downwards, air flow is discharged from the guide pipe, air flow enters the recovery pipe from the discharge net, and dust mixed in sand is primarily flushed by the air flow. The arrangement of the guide disc of the invention causes falling sand and stone to be dispersed to the two sides of the crushing roller, and avoids overlarge impact reflection caused by falling sand and stone between the sand and stone to the middle of the crushing roller, sand and stone moves to a crushing position along with the crushing roller from the two sides of the crushing roller, the initial kinetic energy of sand and stone is greatly reduced, the sputtering power is reduced, the sputtered sand and stone is blocked by the guide disc, and part of sand and stone sputtered to the two sides is blocked by the sand and stone which is input subsequently. On the other hand, the gas output from the lifting cavity also separates dust input into sand and stone, so that dust in the sand and stone crushing process is reduced.
Further, control assembly includes elevating platform, the toper cover, the toper lid, the carousel, rock the hammer, first bevel gear, the second bevel gear, output motor, the lift jar, elevating platform and mainframe box sliding connection, toper cover and elevating platform fastening connection, the toper lid sets up in the toper cover below, the inside topside of toper lid is articulated with the billiard that rotates, the carousel bottom is provided with the runing rest, the carousel rotates with the runing rest and rotates the connection, runing rest and mainframe box fastening connection, first bevel gear and carousel fastening connection, output shaft fastening connection of second bevel gear and output motor, first bevel gear and second bevel gear meshing, output motor and mainframe box fastening connection, mainframe box bottom is provided with the promotion conveyer, promotion conveyer one end is located mainframe box bottom exit, the promotion conveyer other end is located the separation assembly top, rock hammer and carousel fastening connection, rock hammer and conical lid contact, elevating cylinder and mainframe box fastening connection, the output shaft and elevating platform fastening connection of lift jar. The grit has been removed big granule grit through preliminary breakage, and follow-up grit carries in the clearance of toper cover, toper lid, and toper cover can mutually support, and the lifting cylinder steerable elevating platform rises, and the elevating platform drives the toper cover and rises to the broken clearance of adjustment, and then realizes the control to concrete aggregate granularity. When crushing, the output motor drives the second bevel gear to rotate, the second bevel gear drives the first bevel gear to rotate, the first bevel gear drives the rotating table to rotate, the rotating table drives the shaking hammer to rotate, the shaking hammer rotates inside the conical cover and drives the conical cover to do annular swinging, and sand and stone are crushed by the conical cover and the conical cover. The control assembly of the invention greatly improves grinding stability when grinding sand through annular swing of the conical cover and the conical cover. On the other hand, the adjustment of the rolling gap realizes the accurate control of the granularity of aggregate, and the integral precision of sand and stone crushing equipment is improved.
Further, the separation assembly comprises a vibrating screen, a vibrating plate, a first vibrating motor, a second vibrating motor and a setting box, wherein the vibrating screen and the vibrating plate are arranged on the setting box, the vibrating screen is arranged above the vibrating plate, one end of the vibrating screen is hinged with the setting box, the first vibrating motor, the second vibrating motor are in fastening connection with the setting box, an output shaft of the first vibrating motor is connected with one non-hinged end of the vibrating screen, and an output shaft of the second vibrating motor is connected with one non-hinged end of the vibrating plate. The first vibration motor and the second vibration motor belong to the conventional technical means in the field, specific structures are not described, the first vibration motor drives the vibration net to vibrate, the second vibration motor drives the vibration plate to vibrate, and the vibration net and the vibration plate are all provided with a certain inclination angle. Along with the progress of vibrations, the grit can be gradually to first output area department on the vibrations net, at the in-process that removes, and mixed granule impurity in the grit passes the vibrations net, falls on the vibrations board, and the vibrations board carries this granule impurity to second output area one side removal.
Further, the output unit comprises a first output belt, a second output belt and a support frame, wherein the support frame is in fastening connection with the ground, the first output belt, the second output belt and the support frame are in fastening connection, and the first output belt is positioned above the second output belt. The first output belt outputs qualified sand and stone as concrete aggregate, and the second output belt outputs too small sand and stone particles for other purposes.
Compared with the prior art, the invention has the following beneficial effects: according to the invention, the guide cone generates a first layer of buffering for falling sand and stone, the buffer plate generates a second layer of buffering for falling sand and stone, impact potential energy is reduced, vibration generated by the guide cone causes the stirring sheet to move up and down, and sand and stone are dredged in the process of moving up and down, so that sand and stone are assisted to be conveyed into the main cabinet in a concentrated manner. And when great grit appears, the removal range of stirring piece still can increase to dredge grit in advance and move the road downwards, avoid the massive grit to be stopped up. The arrangement of the guide disc of the invention causes falling sand and stone to be dispersed to the two sides of the crushing roller, and avoids overlarge impact reflection caused by falling sand and stone between the sand and stone to the middle of the crushing roller, sand and stone moves to a crushing position along with the crushing roller from the two sides of the crushing roller, the initial kinetic energy of sand and stone is greatly reduced, the sputtering power is reduced, the sputtered sand and stone is blocked by the guide disc, and part of sand and stone sputtered to the two sides is blocked by the sand and stone which is input subsequently. On the other hand, the gas output from the lifting cavity also separates dust input into sand and stone, so that dust in the sand and stone crushing process is reduced. The control assembly of the invention greatly improves grinding stability when grinding sand through annular swing of the conical cover and the conical cover. On the other hand, the adjustment of the rolling gap realizes the accurate control of the granularity of aggregate, and the integral precision of sand and stone crushing equipment is improved.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a schematic view of the overall structure of the primary crushing assembly of the present invention;
FIG. 4 is a cross-sectional view of the internal structure of the blocking member of the present invention;
FIG. 5 is a crushing roller profile of the present invention;
FIG. 6 is a cross-sectional view of the internal structure of the hopper of the present invention;
FIG. 7 is a partial enlarged view at B of FIG. 6;
FIG. 8 is a cross-sectional view of the internal structure of the separation assembly of the present invention;
in the figure: 1-feeding unit, 11-feeding belt, 12-feeding hopper, 121-guiding cone, 122-connecting rod, 123-stirring sheet, 124-cross frame, 125-telescopic tube, 126-pulling spring, 127-buffer plate, 2-preliminary crushing assembly, 21-first crushing roller, 22-second crushing roller, 23-power part, 231-first gear, 232-second gear, 233-driving motor, 24-blocking part, 241-guiding disc, 242-lifting cavity, 243-guiding tube, 244-feeding port, 246-recycling tube, 3-control assembly, 31-lifting table, 32-conical cover, 33-conical cover, 34-rotating table, 35-shaking hammer, 36-first bevel gear, 37-second conical gear, 38-output motor, 39-lifting cylinder, 4-separating assembly, 41-shaking net, 42-shaking plate, 43-first shaking motor, 44-second shaking motor, 45-setting box, 5-output unit, 51-first output belt, 52-second output belt, 53-lifting frame, 6-lifting frame, 7-supporting frame, main frame and main frame.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1, a sand crushing device for controlling the granularity of concrete aggregate is characterized in that: the crushing equipment includes feed unit 1, preliminary crushing subassembly 2, control assembly 3, separation subassembly 4, output unit 5, mainframe box 6, feed unit 1 sets up at the mainframe box 6 top, mainframe box 6 and ground fastening connection, preliminary crushing subassembly 2, control assembly 3 set up inside mainframe box 6, preliminary crushing subassembly 2 sets up in control assembly 3 top, separation subassembly 4 sets up in mainframe box 6 one side, output unit 5 links to each other with separation subassembly 4, feed unit 1 includes the feed area 11, go into hopper 12, the installing support, installing support and mainframe box 6 lateral wall fastening connection, feed area 11 and installing support fastening connection, go into hopper 12 and set up in mainframe box 6 top, go into hopper 12 and mainframe box 6 fastening connection. The feeding unit 1 inputs the grit into preliminary broken subassembly 2, and through preliminary broken subassembly 2's processing, the grit of great granule is broken, and the grit of less granule falls from the gap, and the grit whole granule tends to be close, and rethread control assembly 3 handles the grit, and the grit after the processing is input separation subassembly 4, and separation subassembly 4 gets rid of the too little part of granule in the grit, and qualified grit is finally sent out by output unit 5. According to the invention, the guide cone 121 generates a first layer of buffering for falling sand, the buffer plate 127 generates a second layer of buffering for falling sand, impact potential energy is reduced, the stirring piece 123 is moved up and down due to vibration generated by the guide cone 121, and sand is dredged in the process of moving the stirring piece 123 up and down, so that sand is assisted to be conveyed into the main cabinet 6 in a concentrated manner. And when great grit appears, the removal range of stirring piece still can increase to dredge grit in advance and move the road downwards, avoid the massive grit to be stopped up.
As shown in fig. 6 and 7, a buffer unit is arranged inside the feeding hopper 12, the buffer unit comprises a guide cone 121, a connecting rod 122, a stirring piece 123, a cross frame 124, a telescopic sleeve 125, a pulling spring 126 and a buffer plate 127, the guide cone 121 is fixedly connected with the top of the connecting rod 122, the connecting rod 122 is slidably connected with the cross frame 124, the cross frame 124 is fixedly connected with the inner wall of the main case 6, the stirring piece 123 is fixedly connected with the connecting rod 122, the stirring piece 123 is provided with a plurality of pieces, the stirring pieces 123 are uniformly distributed around the connecting rod 122, the stirring piece 123 is arranged above the cross frame 124, one end of the telescopic sleeve 125 is fixedly connected with the cross frame 124, the other end of the telescopic sleeve 125 is fixedly connected with the buffer plate 127, the buffer plate 127 is fixedly connected with the lower end of the connecting rod 122, the pulling spring 126 is sleeved on the connecting rod 122, the pulling spring 126 is arranged inside the telescopic sleeve 125, one end of the pulling spring 126 is fixedly connected with the cross frame 124, and the other end of the pulling spring 126 is fixedly connected with the buffer plate 127. The grit gets into from the pan feeding mouth, and the in-process grit and leading cone contact earlier, and leading cone moves down under the impact of grit, pulls the spring and produces the resistance to the downmovement of connecting rod, when contacting great grit, the downmovement distance increase of leading cone. According to the invention, the guide cone 121 generates a first layer of buffering for falling sand, the buffer plate 127 generates a second layer of buffering for falling sand, impact potential energy is reduced, the stirring piece 123 is moved up and down due to vibration generated by the guide cone 121, and sand is dredged in the process of moving the stirring piece 123 up and down, so that sand is assisted to be conveyed into the main cabinet 6 in a concentrated manner. And when great grit appears, the removal range of stirring piece still can increase to dredge grit in advance and move the road downwards, avoid the massive grit to be stopped up.
As shown in fig. 3 and 4, the primary crushing assembly 2 comprises a first crushing roller 21, a second crushing roller 22, a power component 23 and a blocking component 24, wherein a crushing bin and a power bin are arranged on the upper portion of the main machine box 6, the first crushing roller 21 and the second crushing roller 22 are arranged inside the crushing bin, the first crushing roller 21, the second crushing roller 22 and the side wall of the crushing bin are rotationally connected, the power component 23 is arranged inside the power bin, and the blocking component 24 is arranged at the top of the crushing bin. The power component 23 drives the first crushing roller 21 and the second crushing roller 22 to rotate, the first crushing roller 21 and the second crushing roller 22 belong to conventional technical means in the field, specific structures are not described, larger particles in sand are crushed by the first crushing roller 21 and the second crushing roller 22, smaller particles fall from gaps of the first crushing roller 21 and the second crushing roller 22, and the blocking component 24 blocks sand sputtering generated in the sand crushing process.
As shown in fig. 5, the power unit 23 includes a first gear 231, a second gear 232, a driving motor 233, the first gear 231 is fastened to the first crushing roller 21, the second gear 232 is fastened to the second crushing roller 22, the driving motor 233 is fastened to the side wall of the power bin, an output shaft of the driving motor 233 is fastened to the first gear 231, and the first gear 231 is meshed with the second gear 232. The driving motor 233 drives the first gear 231 to rotate, the first gear 231 drives the second gear 232 to rotate, the first gear 231 drives the first crushing roller 21 to rotate, and the second gear 232 drives the second crushing roller 22 to rotate.
As shown in fig. 4, the blocking member 24 includes a guide plate 241, a lifting cavity 242, a guide tube 243, an inflow port 244, a discharge net, and a recovery tube 246, a connection bracket is provided at the bottom of the guide plate 241, the connection bracket is fixedly connected to the side wall of the main cabinet 6, the lifting cavity 242 is provided at the upper portion of the guide plate 241, a buffer plate 127 is slidably connected to the lifting cavity 242, guide plates 241 and 127 are provided with guide inclined surfaces on both sides, the guide plate 241 and the buffer plate 127 are not provided with guide inclined surfaces, both side walls of the guide plate are close to the side wall of the main cabinet 6, the recovery tube 246 is provided at both sides of the outer wall of the main cabinet 6 close to the guide inclined surfaces of the guide plate 241, the connection position of the recovery tube 246 and the main cabinet 6 is provided with a discharge net, the guide tube 243 and the inflow port 244 are provided inside the guide plate 241, one end of the guide tube 243 is communicated with the lifting cavity 242, the other end of the guide tube 243 extends to a position close to the discharge net, one end of the inflow port 244 is communicated with the lifting cavity 242, the other end of the inflow port 244 is communicated with the outside of the main cabinet 6, a one-way input valve is provided inside the guide tube 243 is provided with a one-way output valve. After the sand enters the main cabinet 6, the sand spreads to both sides under the guide of the guide plate 241, and the vibration of the buffer plate 127 causes the change of the air flow in the elevating chamber 242. When the buffer plate 127 moves up, external air enters the inside of the lifting cavity 242 from the inflow port 244, and when the buffer plate 127 moves down, air flow is discharged from the guide tube 243, air flow enters the recovery tube 246 from the discharge net, and dust mixed in sand is primarily washed away by the air flow. The arrangement of the guide disc 241 of the invention causes falling sand and stone to be dispersed to two sides of the crushing roller, and avoids overlarge impact reflection caused by falling sand and stone between the sand and stone to the middle of the crushing roller, sand and stone move to a crushing position along with the crushing roller from two sides of the crushing roller, initial kinetic energy of sand and stone is greatly reduced, sputtering power is reduced, sputtered sand and stone is blocked by the guide disc, and part of sand and stone sputtered to two sides is blocked by sand and stone which is input subsequently. On the other hand, the gas output from the lifting cavity 242 also separates dust from sand, thereby reducing dust during sand crushing.
As shown in fig. 1 and 2, the control assembly 3 includes a lifting table 31, a conical cover 32, a conical cover 33, a rotating table 34, a shaking hammer 35, a first bevel gear 36, a second bevel gear 37, an output motor 38, and a lifting cylinder 39, the lifting table 31 is slidably connected with the main box 6, the conical cover 32 is tightly connected with the lifting table 31, the conical cover 33 is arranged below the conical cover 32, the top side inside the conical cover 33 is in ball-hinged with the rotating table 34, a rotating bracket is arranged at the bottom of the rotating table 34, the rotating table 34 is rotatably connected with the rotating bracket, the rotating bracket is tightly connected with the main box 6, the first bevel gear 36 is tightly connected with the rotating table 34, the second bevel gear 37 is tightly connected with an output shaft of the output motor 38, the first bevel gear 36 is meshed with the second bevel gear 37, the output motor 38 is tightly connected with the main box 6, the bottom of the main box 6 is provided with a lifting conveyor 7, one end of the lifting conveyor 7 is positioned at the bottom outlet of the main box 6, the other end of the lifting conveyor 7 is positioned at the top of the separation assembly 4, the shaking hammer 35 is tightly connected with the rotating table 34, the shaking hammer 35 is tightly connected with the conical cover 33, the conical cover 33 is tightly connected with the output shaft 39, the lifting motor 39 is tightly connected with the lifting cylinder 39, and the lifting cylinder 31 is tightly connected with the lifting cylinder 31. The grit has been removed big granule grit through preliminary breakage, and follow-up grit is carried in the clearance of toper cover 32, toper cover 33, and toper cover 32 toper cover 33 can mutually support, and lift jar 39 steerable elevating platform 31 rises, and elevating platform 31 drives toper cover 32 and rises to the adjustment is broken clearance, and then realizes the control to concrete aggregate granularity. When crushing, the output motor 38 drives the second bevel gear 37 to rotate, the second bevel gear 37 drives the first bevel gear 36 to rotate, the first bevel gear 36 drives the rotating table 34 to rotate, the rotating table 34 drives the shaking hammer 35 to rotate, the shaking hammer 35 rotates inside the conical cover 33, the conical cover 33 is driven to do annular swinging, and sand and stone are crushed by the conical cover 33 and the conical cover 32. The control assembly 3 of the present invention greatly enhances the grinding stability in grinding sand by annular rocking of the cone cover and cone lid. On the other hand, the adjustment of the rolling gap realizes the accurate control of the granularity of aggregate, and the integral precision of sand and stone crushing equipment is improved.
As shown in fig. 8, the separation assembly 4 includes a vibration screen 41, a vibration plate 42, a first vibration motor 43, a second vibration motor 44, a setting box 45, the vibration screen 41, the vibration plate 42 are disposed on the setting box 45, the vibration screen 41 is disposed above the vibration plate 42, one end of the vibration screen 41, the vibration plate 42 is hinged with the setting box 45, the first vibration motor 43, the second vibration motor 44 are fixedly connected with the setting box 45, an output shaft of the first vibration motor 43 is connected with an end of the vibration screen 41 which is not hinged, and an output shaft of the second vibration motor 44 is connected with an end of the vibration plate 42 which is not hinged. The first vibration motor 43 and the second vibration motor 44 belong to conventional technical means in the art, specific structures are not described, the first vibration motor 43 drives the vibration net 41 to vibrate, the second vibration motor 44 drives the vibration plate 42 to vibrate, and the vibration net 41 and the vibration plate 42 are provided with a certain inclination angle. Along with the vibration, the sand will gradually move to the first output belt 51 on the vibration net 41, and in the moving process, the small particle impurities mixed in the sand pass through the vibration net 41 and drop onto the vibration plate 42, and the vibration plate 42 carries the small particle impurities to move to the side of the second output belt 52.
As shown in fig. 8, the output unit 5 includes a first output belt 51, a second output belt 52, and a supporting frame 53, the supporting frame 53 is fastened to the ground, the first output belt 51, the second output belt 52, and the supporting frame 53 are fastened to each other, and the first output belt 51 is located above the second output belt 52. The first output belt 51 outputs acceptable sand as concrete aggregate and the second output belt 52 outputs too small sand particles for other uses.
The working principle of the invention is as follows: the feeding belt carries sand and stone to the hopper removal of going into, and the grit gets into from the hopper, and the in-process grit contacts with the guide cone earlier, and the guide cone moves down at the impact of grit, pulls the spring and produces the resistance to the downmovement of connecting rod, and the connecting rod drives the driving piece 123 and reciprocates, and the grit continues to drop to the buffer board to diffuse to both sides along the guide of guide disc 241 down, and the vibrations of buffer board 127 can cause the inside air current of lifting chamber 242 to change. When the buffer plate 127 moves up, external air enters the inside of the lifting cavity 242 from the inflow port 244, and when the buffer plate 127 moves down, air flow is discharged from the guide tube 243, air flow enters the recovery tube 246 from the discharge net, and dust mixed in sand is primarily washed away by the air flow. Sand moves from both sides of the crushing roller with the crushing roller to a crushing position. The sand is initially treated, and the treated sand enters the control assembly. When crushing, the output motor 38 drives the second bevel gear 37 to rotate, the second bevel gear 37 drives the first bevel gear 36 to rotate, the first bevel gear 36 drives the rotating table 34 to rotate, the rotating table 34 drives the shaking hammer 35 to rotate, the shaking hammer 35 rotates inside the conical cover 33, the conical cover 33 is driven to do annular swinging, and sand and stone are crushed by the conical cover 33 and the conical cover 32. Crushed sand is conveyed to the separating assembly by the lifting conveyor, the sand gradually moves towards the first output belt 51 on the vibrating screen 41, and in the moving process, small particle impurities mixed in the sand pass through the vibrating screen 41 and fall onto the vibrating plate 42, and the vibrating plate 42 carries the small particle impurities to move towards the side of the second output belt 52. The first output belt 51 outputs acceptable sand as concrete aggregate and the second output belt 52 outputs too small sand particles for other uses.
It is noted that relational terms such as first and second, and the like are 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. Moreover, 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.
The foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (1)
1. Sand and stone crushing equipment for controlling concrete aggregate granularity is characterized in that: the crushing equipment comprises a feeding unit (1), a preliminary crushing assembly (2), a control assembly (3), a separation assembly (4), an output unit (5) and a main machine box (6), wherein the feeding unit (1) is arranged at the top of the main machine box (6), the main machine box (6) is fixedly connected with the ground, the preliminary crushing assembly (2) and the control assembly (3) are arranged inside the main machine box (6), the preliminary crushing assembly (2) is arranged above the control assembly (3), the separation assembly (4) is arranged on one side of the main machine box (6), the output unit (5) is connected with the separation assembly (4), the feeding unit (1) comprises a feeding belt (11), a feeding hopper (12) and a mounting bracket, the mounting bracket is fixedly connected with the side wall of the main machine box (6), and the feeding belt (11) is fixedly connected with the mounting bracket, and the feeding hopper (12) is arranged above the main machine box (6) and is fixedly connected with the main machine box (6).
The utility model discloses a hopper, including hopper (12), hopper, inside is provided with buffer unit, buffer unit includes guide cone (121), connecting rod (122), stir piece (123), cross frame (124), telescopic tube (125), pulls spring (126), buffer plate (127), guide cone (121) and connecting rod (122) top fastening connection, connecting rod (122) and cross frame (124) sliding connection, cross frame (124) and mainframe (6) inner wall fastening connection, stir piece (123) and connecting rod (122) fastening connection, stir piece (123) are provided with the multichip, multichip stir piece (123) evenly distributed around connecting rod (122), stir piece (123) set up in cross frame (124) top, telescopic tube (125) one end and cross frame (124) fastening connection, telescopic tube (125) other end and buffer plate (127) fastening connection, buffer plate (127) and connecting rod (122) lower extreme fastening connection, pull spring (126) cover is on connecting rod (122), pull spring (126) set up in cross tube (126) and pull spring (124) one end and telescopic tube (124) fastening connection, the other end of the pulling spring (126) is fixedly connected with the buffer plate (127);
The primary crushing assembly (2) comprises a first crushing roller (21), a second crushing roller (22), a power component (23) and a blocking component (24), wherein a crushing bin and a power bin are arranged on the upper portion of the main case (6), the first crushing roller (21) and the second crushing roller (22) are arranged inside the crushing bin, the first crushing roller (21), the second crushing roller (22) and the side wall of the crushing bin are rotationally connected, the power component (23) is arranged inside the power bin, and the blocking component (24) is arranged at the top of the crushing bin;
The power component (23) comprises a first gear (231), a second gear (232) and a driving motor (233), the first gear (231) is fixedly connected with the first crushing roller (21), the second gear (232) is fixedly connected with the second crushing roller (22), the driving motor (233) is fixedly connected with the side wall of the power bin, an output shaft of the driving motor (233) is fixedly connected with the first gear (231), and the first gear (231) is meshed with the second gear (232);
The blocking component (24) comprises a guide disc (241), a lifting cavity (242), guide pipes (243), an inflow port (244), a discharge net and a recovery pipe (246), wherein a connecting support is arranged at the bottom of the guide disc (241), the connecting support is fixedly connected with the side wall of a main machine box (6), the lifting cavity (242) is arranged at the upper part of the guide disc (241), the buffer plate (127) and the lifting cavity (242) are in sliding connection, the guide discs (241) and the buffer plate (127) are provided with guide inclined planes on two sides, the guide discs (241) and the buffer plate (127) are not provided with guide inclined planes, the two side walls of the guide inclined planes and the side wall of the main machine box (6) are close to each other, the recovery pipe (246) is arranged on two sides, which are close to the guide inclined planes, of the outer wall of the main machine box (6), the recovery pipe (246) and the side wall of the main machine box (6), the connection position of the recovery pipe (246) is provided with the discharge net, the guide pipes (243) and the inflow port (244) are arranged inside the guide disc (241), one end of the guide pipe (243) is communicated with the lifting cavity (242), the other end of the guide pipe (243) is communicated with the other end of the inlet (244) and the inner side of the inflow port (244) is communicated with the inner end of the main machine box (6), a one-way output valve is arranged in the guide pipe (243);
The control assembly (3) comprises a lifting table (31), a conical cover (32), a conical cover (33), a rotating table (34), a shaking hammer (35), a first bevel gear (36), a second bevel gear (37), an output motor (38) and a lifting cylinder (39), wherein the lifting table (31) is in sliding connection with a main machine box (6), the conical cover (32) is in fastening connection with the lifting table (31), the conical cover (33) is arranged below the conical cover (32), the top side inside the conical cover (33) is in ball joint with the rotating table (34), a rotating bracket is arranged at the bottom of the rotating table (34), the rotating table (34) is in rotating connection with the rotating bracket, the rotating bracket is in fastening connection with the main machine box (6), the first bevel gear (36) is in fastening connection with the rotating table (34), the second bevel gear (37) is in fastening connection with an output shaft of the output motor (38), the first bevel gear (36) is in engagement with the second bevel gear (37), the output motor (38) is in fastening connection with the main machine box (6), the bottom of the lifting machine box (6) is in fastening connection with the main machine box (6), the bottom of the lifting assembly (7) is arranged at one end of the lifting machine box (7) at the bottom of the lifting assembly (7), the shaking hammer (35) is fixedly connected with the rotating table (34), the shaking hammer (35) is in contact with the conical cover (33), the lifting cylinder (39) is fixedly connected with the main machine box (6), and an output shaft of the lifting cylinder (39) is fixedly connected with the lifting table (31);
The separation assembly (4) comprises a vibrating net (41), a vibrating plate (42), a first vibrating motor (43), a second vibrating motor (44) and a setting box (45), wherein the vibrating net (41) and the vibrating plate (42) are arranged on the setting box (45), the vibrating net (41) is arranged above the vibrating plate (42), one end of the vibrating net (41), one end of the vibrating plate (42) are hinged with the setting box (45), the first vibrating motor (43), the second vibrating motor (44) and the setting box (45) are in fastening connection, an output shaft of the first vibrating motor (43) is connected with one non-hinged end of the vibrating net (41), and an output shaft of the second vibrating motor (44) is connected with one non-hinged end of the vibrating plate (42);
The output unit (5) comprises a first output belt (51), a second output belt (52) and a support frame (53), wherein the support frame (53) is in fastening connection with the ground, the first output belt (51), the second output belt (52) and the support frame (53) are in fastening connection, and the first output belt (51) is located above the second output belt (52).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310833059.8A CN116809152B (en) | 2023-07-10 | 2023-07-10 | Sand and stone crushing equipment for controlling granularity of concrete aggregate |
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| CN202310833059.8A CN116809152B (en) | 2023-07-10 | 2023-07-10 | Sand and stone crushing equipment for controlling granularity of concrete aggregate |
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| CN116809152B true CN116809152B (en) | 2024-06-04 |
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| CN216172798U (en) * | 2021-09-22 | 2022-04-05 | 中研颗精密机械(苏州)有限公司 | Prevent blockking up type double roll crusher |
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| KR100745173B1 (en) * | 2007-05-07 | 2007-08-01 | 김보수 | Apparatus for manufacturing recycled-aggregate made of crushed waste-concrete |
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| CN116809152A (en) | 2023-09-29 |
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