CN115212954B - Intelligent hydraulic rolling sand making machine - Google Patents
Intelligent hydraulic rolling sand making machine Download PDFInfo
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- CN115212954B CN115212954B CN202210857625.4A CN202210857625A CN115212954B CN 115212954 B CN115212954 B CN 115212954B CN 202210857625 A CN202210857625 A CN 202210857625A CN 115212954 B CN115212954 B CN 115212954B
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- 239000004576 sand Substances 0.000 title claims abstract description 80
- 238000005096 rolling process Methods 0.000 title claims abstract description 33
- 230000001105 regulatory effect Effects 0.000 claims abstract description 50
- 238000004519 manufacturing process Methods 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 5
- 239000003638 chemical reducing agent Substances 0.000 claims description 90
- 239000000463 material Substances 0.000 claims description 23
- 235000014121 butter Nutrition 0.000 claims description 20
- 230000000149 penetrating effect Effects 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 238000009529 body temperature measurement Methods 0.000 claims description 7
- 230000001050 lubricating effect Effects 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 7
- 230000007306 turnover Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 5
- 230000007246 mechanism Effects 0.000 claims description 5
- 238000010790 dilution Methods 0.000 claims description 3
- 239000012895 dilution Substances 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 239000002994 raw material Substances 0.000 abstract description 4
- 239000002440 industrial waste Substances 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000005461 lubrication Methods 0.000 description 6
- 238000005299 abrasion Methods 0.000 description 5
- 238000007599 discharging Methods 0.000 description 4
- 239000000843 powder Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910000914 Mn alloy Inorganic materials 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000003466 welding 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
- B02C25/00—Control arrangements specially adapted for crushing or disintegrating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- 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
-
- 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
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/286—Feeding devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N29/00—Special means in lubricating arrangements or systems providing for the indication or detection of undesired conditions; Use of devices responsive to conditions in lubricating arrangements or systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N39/00—Arrangements for conditioning of lubricants in the lubricating system
- F16N39/02—Arrangements for conditioning of lubricants in the lubricating system by cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N39/00—Arrangements for conditioning of lubricants in the lubricating system
- F16N39/04—Arrangements for conditioning of lubricants in the lubricating system by heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
- F16N7/38—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated with a separate pump; Central lubrication systems
- F16N7/385—Central lubrication systems
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses an intelligent hydraulic rolling sand making machine, which relates to the technical field of sand making equipment and comprises a frame 13, a power assembly, a pressure regulating assembly, a rolling assembly, a feeding chute 2, a large hopper 1 and an electric appliance control cabinet 17. The method has the characteristics of high intelligent degree, prolonged service life of wear-resistant parts, reduced production cost and the like, and can be used for preparing the sand for the building by utilizing various nonmetallic ores, mine tailings, industrial waste residues and other raw materials meeting the sand making requirement.
Description
Technical Field
The invention relates to the technical field of machine-made sand production equipment, in particular to an intelligent hydraulic rolling sand making machine.
Background
With the continuous development of domestic economy, the scale of domestic basic construction is larger and larger, and river sand is used as an important building material, and the demand of the river sand is also larger and larger. However, in order to protect ecological balance, the country is strictly prohibited from exploiting natural sand. However, the demand of the construction market is huge, so the machine-made sand prepared by adopting various nonmetallic ores, mine tailings, industrial waste residues and other raw materials meeting the sand making requirement gradually replaces the natural sand.
Currently, many sand making devices are available in the market, such as impact sand making machines, twin-roll sand making machines and the like. For the impact sand making machine, in the use process, the gap of the crushing cavity is increased due to abrasion of the abrasion-resistant part, and the gap is not adjusted in time, so that the motor does idle work and the yield is reduced; for the double-roller sand making machine, when the double-roller sand making machine is started and stopped, no material exists between crushing cavities, or the material supply is intermittent during operation, so that two rollers are empty to grind, the pressure is high during operation, the two rollers are hard to grind due to iron collision, the machine vibration is high, the phenomenon that the rollers burst is caused for a long time is caused, or after the double-roller sand making machine is used for a period of time, the roller skin is worn partially, and the phenomena that burst is easily caused due to the empty grinding are added.
The 'single-transmission hydraulic roller sand pressing machine' disclosed in China patent (patent application No. 201510887215.4) comprises a frame, a power device, a sliding roller device, a fixed roller device and a pressure regulating device; the pressure regulating device, the sliding roller device and the fixed roller device are sequentially arranged on the frame, and the power device is connected with the fixed roller device; the pressure regulating device comprises a pressure regulating oil cylinder assembly, a hydraulic station, a pressure and pressure reducing deflection alignment assembly, a pressure regulating and pressure protecting assembly and a vibration reduction seat connecting block; the hydraulic station is communicated with the pressure-regulating oil cylinder assembly.
Another chinese patent (patent application No. 201810943871.5) discloses a "single transmission hydraulic roller sand pressing machine", which comprises a box body, the left wall internal surface middle part fixedly connected with pneumatic cylinder of box, the right-hand member of pneumatic cylinder and the left side fixed connection of first elastic rod, the right-hand member of first elastic rod and the left side surface fixed connection of baffle, the rear side fixedly connected with pressure sensor of baffle, the right side surface of baffle and the left end fixed connection of connecting rod, the right-hand member of connecting rod and the left side surface fixed connection of motor, the output shaft front end and the sleeve fixed connection of motor, the first running roller of telescopic front end fixedly connected with, the right side of first running roller is provided with intermeshing's second running roller, the bottom of box is provided with support, support has included second spring and gyro wheel.
Still "a single drive hydraulic roller sand press" that chinese patent (patent application number 201811129397.9) disclosed, including conveyer belt, crushing case, hydraulic roller and broken sawtooth, the conveyer belt top sets up crushing case, the fixed welding support post in crushing case left side, support post upper end connection support horizontal pole, crushing case upper surface intermediate position sets up the pan feeding pipe, the pan feeding pipe with crushing case intercommunication, install the hydraulic roller in the crushing case, the hydraulic roller surface sets up broken sawtooth.
Disclosure of Invention
Aiming at the defects existing in the prior art, the technical problem to be solved by the invention is to provide the sand making equipment which has high intelligent degree, can prolong the service life of the wear-resistant part and reduce the production cost.
In order to solve the technical problems, the technical scheme adopted by the invention is that an intelligent hydraulic roller sand pressing machine is provided: the hydraulic roller sand making machine comprises a frame 13, a power assembly, a pressure regulating assembly, a rolling assembly, a feeding chute 2, a large hopper 1 and an electrical control cabinet 17; the pressure regulating component is connected with the rolling component and is arranged on the frame 13; a feeding chute 2 and a large hopper 1 are sequentially arranged at the upper part of the rolling assembly; the power assembly is arranged on one side of the frame 13 and is connected with the rolling assembly; the electric control cabinet 17 is arranged at the side edge of the frame 13, and control lines of the electric control cabinet are respectively connected with the power component and the voltage regulating component; the feeding chute 2 further comprises a feeding detection mechanism, wherein the feeding detection mechanism comprises a feeding turning plate 18, a feeding turning plate rotating shaft 21, a pair of feeding turning plate rotating shaft bearing seats 23, a Hall sensor 19 and a Hall sensor mounting plate 20; the feeding turning plate rotating shaft bearing seats 23 are arranged on the outer sides of two side plates of the feeding chute 2, the feeding turning plate rotating shafts 21 are arranged in the two feeding turning plate rotating shaft bearing seats 23 in a penetrating mode, and the feeding turning plate 18 is arranged on the feeding turning plate rotating shaft 21 of the inner cavity section of the feeding chute 2; the Hall sensor mounting plate 20 is arranged on the outer side of the feeding chute 2, the lower part of the Hall sensor mounting plate and the extending end of the feeding turning plate rotating shaft 21 are provided with Hall sensors 19, and signal wires of the Hall sensors 19 are connected with the electric appliance control cabinet 17.
A bearing seat mounting plate 22 for mounting the feeding turning plate rotating shaft bearing seat 23 is also arranged between the feeding turning plate rotating shaft bearing seat 23 and the outer sides of the two side plates of the feeding chute 2.
The electrical control cabinet 17 comprises a PLC controller, a power assembly, a manual on-off button of the voltage regulating assembly, a one-key start button, a one-key stop button, an emergency stop button and a manual mode button, and the PLC controller is respectively connected with the power assembly, the voltage regulating assembly and the Hall sensor 19.
The power assembly comprises a motor 3, a belt transmission part 4, a speed reducer 9 and a speed reducer oil dilution station 12 (with a cooling device) and a power output coupling 5; the motor 3 is connected with a speed reducer 9 through a belt transmission part 4, the speed reducer lean oil station 12 is connected with the speed reducer 9 through an oil outlet pipe and an oil return pipe, and the speed reducer 9 is connected with a rolling assembly through a power output coupling 5; and a control line output by the electric control cabinet 17 is connected with the motor 3 and the speed reducer thin oil station 12.
The speed reducer thin oil station 12 comprises a speed reducer thin oil station oil tank, a speed reducer thin oil station oil pump, a speed reducer thin oil station refrigerating system, a speed reducer thin oil station temperature measurement system, a one-way valve, an oil filter and a heater, wherein the speed reducer thin oil station refrigerating system comprises a speed reducer thin oil station refrigerating device (namely a compressor) and a speed reducer thin oil station cold-heat exchange component, the speed reducer thin oil station refrigerating device is arranged outside the speed reducer thin oil station oil tank, the speed reducer thin oil station oil pump, the speed reducer thin oil station cold-heat exchange component and the heater are soaked in speed reducer thin oil in the speed reducer thin oil station oil tank, the one-way valve is arranged in an oil outlet pipe, and the oil filter is arranged at an oil return port; the temperature measurement system of the thin oil station of the speed reducer comprises an oil return temperature sensor and an oil outlet temperature sensor, wherein the oil return temperature sensor and the oil outlet temperature sensor are respectively arranged at an oil return port and an oil outlet of an oil tank of the thin oil station of the speed reducer; the control lines of the speed reducer thin oil station oil pump, the speed reducer thin oil station refrigerating system, the one-way valve and the heater are connected with the electric appliance control cabinet 17.
The pressure regulating assembly comprises a hydraulic station 16, a pressure regulating oil cylinder 14, a pressure regulating spring push plate 11 and an electromagnetic reversing valve; the hydraulic station 16 is arranged at one end of the frame 13, and an oil pipe of the hydraulic station is connected with a pressure regulating oil cylinder 14 arranged on the frame 13 through an electromagnetic reversing valve; the extending shaft of the pressure regulating oil cylinder 14 is connected with a pressure regulating spring push plate 11, and the other end of the pressure regulating spring push plate 11 is connected with a rolling assembly; and control lines output by the electric appliance control cabinet 17 are respectively connected with the hydraulic station 16 and the electromagnetic directional valve.
The rolling assembly comprises a sand making box body 25, a movable roller assembly and a fixed roller assembly; the movable roller assembly comprises a movable roller 10, a pair of movable roller bearing blocks 26 and two pairs of movable roller assembly sliding guide rails 8 which are combined up and down, wherein the movable roller assembly sliding guide rails 8 are respectively arranged on the frames 13 at two sides of the sand making box body 25, the movable roller 10 is arranged in the sand making box body 25 in a penetrating way, the extending parts at two ends of the movable roller 10 are respectively arranged in the movable roller bearing blocks 26 in a penetrating way, the upper part and the lower part of the movable roller bearing blocks 26 are respectively arranged in the movable roller assembly sliding guide rails 8 which are combined up and down, and one end of the pressure regulating spring push plate 11 is respectively connected with the movable roller bearing blocks 26; the fixed roller assembly comprises a fixed roller 6 and a pair of fixed roller bearing blocks 24, wherein the fixed roller 6 is arranged in a sand making box body 25 in a penetrating manner, the extending parts at the two ends of the fixed roller 6 are respectively arranged in the fixed roller bearing blocks 24 in a penetrating manner, and the fixed roller bearing blocks 24 are arranged on the machine frames 13 at the two sides of the sand making box body.
The rolling assembly also comprises a rolling assembly lubrication system, wherein the rolling assembly lubrication system comprises an electric butter machine 15 and an oil pipe, the electric butter machine 15 is arranged on the side edge of the frame 13, and the electric butter machine is used for respectively conveying lubricating butter to the movable roller bearing seat 26 and the fixed roller bearing seat 24 through the oil pipe; and a control line output by the electric control cabinet 17 is connected with the electric butter machine 15.
The electric butter machine 15 also respectively conveys lubricating butter to the movable roller assembly sliding guide rail 8 through oil pipes.
Bearing seat temperature sensors 7 for measuring the temperature of the movable bearing seat 26 and the fixed bearing seat 24 are respectively arranged on the movable bearing seat and the fixed bearing seat, and signal wires of the bearing seat temperature sensors 7 are connected with an electric control cabinet 17.
The intelligent hydraulic roller sand making machine adopts a non-contact measurement mode of a PLC controller and an application Hall principle, so that the intelligent hydraulic roller sand making machine can be used in a severe working environment, can resist vibration and impact, can ensure measurement accuracy to the greatest extent, provides control basis for automatic operation of equipment, and has higher intelligent degree; meanwhile, the working mode of sand making can be automatically converted through the automatic control of the PLC, the overlarge impact load born by less materials is avoided, the yield of products can be improved, the abrasion of abrasion-resistant parts can be reduced, the service life of the abrasion-resistant parts is prolonged, the production cost is reduced, and the production efficiency of equipment is improved.
Drawings
FIG. 1 is a schematic top view of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is an enlarged partial schematic view of the invention taken left along the A-A axis;
fig. 4 is an enlarged schematic view of a portion K of the present invention.
In the figure:
1 is a large hopper, 2 is a feeding chute, 3 is a motor, 4 is a belt transmission part, 5 is a power output coupling, 6 is a fixed roller 6,7 is a bearing seat temperature sensor, 8 is a movable roller assembly sliding guide rail, 9 is a speed reducer, 10 is a movable roller, 11 is a pressure regulating spring push plate, 12 is a speed reducer thin oil station, 13 is a rack, 14 is a pressure regulating cylinder, 15 is an electric butter machine, 16 is a hydraulic station, 17 is an electric control cabinet, 18 is a feeding turning plate, 19 is a Hall sensor, 20 is a Hall sensor mounting plate, 21 is a feeding turning plate rotating shaft, 22 is a bearing seat mounting plate, 23 is a feeding turning plate rotating shaft bearing seat, 24 is a fixed roller bearing seat, 25 is a sand making box body, 26 is a movable roller bearing seat.
Detailed Description
The invention is further described below with reference to the drawings and examples. The following description is by way of example only, and the scope of the invention should not be limited thereto.
The intelligent hydraulic rolling sand making machine of the embodiment is composed of a frame 13, a power component, a pressure regulating component, a rolling component, a feeding chute 2, a large hopper 1 and an electric appliance control cabinet 17.
The frame 13 is a two-layered frame structure, the upper layer of which is used for installing a pressure regulating assembly and a rolling assembly, and the lower layer of which is used for unloading.
The power assembly is arranged at the rear side of the frame 13 and consists of a motor 3, a belt transmission part 4, a speed reducer 9, a speed reducer oil-reducing station 12 and a power output coupling 5; the motor 3 is connected with a speed reducer 9 through a belt transmission part 4; the speed reducer thin oil station 12 is arranged at the side of the speed reducer 9, and an oil pipe of the speed reducer thin oil station is connected with the speed reducer 9; one end of a power output coupling 5 is arranged on the output shaft of the speed reducer 9, and the other end of the power output coupling is connected with a rolling assembly. In the junction box of the motor 3, a motor temperature sensor is also provided for detecting the temperature condition of the motor 3.
The speed reducer thin oil station 12 (an electric cooling thin oil lubrication station manufactured by Qingsheng hydraulic equipment limited company in Guangzhou city can also be adopted) is composed of a speed reducer thin oil station oil tank, a speed reducer thin oil station oil pump, a speed reducer thin oil station refrigerating system, a speed reducer thin oil station temperature measurement system, a one-way valve, an oil filter and a heater (all not shown in the drawing), wherein the speed reducer thin oil station refrigerating system is composed of a speed reducer thin oil station refrigerating device and a speed reducer thin oil station cold and heat exchange component, the speed reducer thin oil station refrigerating device is arranged outside the speed reducer thin oil station oil tank, the speed reducer thin oil station oil pump, the speed reducer thin oil station cold and heat exchange component and the heater are immersed in speed reducer thin oil in the speed reducer thin oil station oil tank, the one-way valve is arranged in an oil outlet pipe, and the oil filter is arranged at an oil return port. The temperature measurement system of the thin oil station of the speed reducer is composed of an oil return temperature sensor and an oil outlet temperature sensor, wherein the oil return temperature sensor and the oil outlet temperature sensor are respectively arranged at an oil return port and an oil outlet of an oil tank of the thin oil station of the speed reducer.
When the speed reducer thin oil station oil pump is started in operation, oil is sucked from the speed reducer thin oil station oil tank, the oil continuously lubricates a lubrication point of the speed reducer 9 through the oil outlet pipeline and the one-way valve, and the oil returns to the oil tank from the oil return port pipeline. The cold and heat exchange part of the thin oil station of the speed reducer cools oil, the temperature of the oil is detected by an oil return temperature sensor and an oil outlet temperature sensor respectively at an oil return port and an oil outlet, when the temperature of the detected oil is higher than a set value, the refrigerating device of the thin oil station of the speed reducer comprises the following components: the refrigeration compressor works automatically, and the cold-heat exchange component sufficiently cools the oil in the oil tank. Before starting in cold weather, a heater is also started to heat the oil so as to ensure the operation of the speed reducer thin oil station 12.
The pressure regulating assembly consists of a hydraulic station 16 (the hydraulic station 16 consists of a hydraulic station oil tank and a hydraulic station oil pump, which are not shown in the drawing), a pressure regulating oil cylinder 14, a pressure regulating spring push plate 11 and an electromagnetic reversing valve (not shown in the drawing); the hydraulic station 16 is arranged at the left end of the frame 13, the pressure regulating oil cylinder 14 and the pressure regulating spring push plate 11 are arranged at the left part of the upper layer of the frame 13, an oil pipe of the hydraulic station 16 is connected with the pressure regulating oil cylinder 14 through an electromagnetic reversing valve, an extension shaft of the pressure regulating oil cylinder 14 is connected with the pressure regulating spring push plate 11, and the other end of the pressure regulating spring push plate 11 is connected with the rolling assembly.
The rolling assembly consists of a sand making box body 25, a movable roller assembly, a fixed roller assembly, a rolling assembly lubrication system and a temperature measurement system, wherein the sand making box body 25 is a cuboid box body, the bottom surface of the cuboid box body is open (used for sand discharging and unloading), and an opening (used for feeding) connected with the lower end of the feeding chute 2 is formed in the top surface of the cuboid box body. The movable roller assembly consists of a movable roller 10, a pair of movable roller bearing blocks 26 and two pairs of movable roller assembly sliding guide rails 8 which are combined up and down, wherein the movable roller assembly sliding guide rails 8 (4 blocks in total) are respectively arranged at the upper part and the lower part of the two sides of the middle part of the upper layer of the frame 13, the upper part and the lower part of the movable roller bearing blocks 26 are respectively matched with the movable roller assembly sliding guide rails 8, and the movable roller 10 passes through the left part of the sand making box body 25, and the two ends of the movable roller 10 are respectively arranged in the movable roller bearing blocks 26 in a penetrating way. A thrust plate (not shown in the drawing) is provided between the two movable roller bearing blocks 26, and is connected to one end of the pressure-adjusting spring thrust plate 11. The fixed roller assembly is composed of a fixed roller 6 and a pair of fixed roller bearing seats 24, wherein the fixed roller bearing seats 24 are arranged on two sides of the right part in the upper layer of the frame 13, the fixed roller 6 passes through the right part of the sand making box 25, the extending parts of the two ends of the fixed roller 6 respectively pass through the fixed roller bearing seats 24, and the rear end of the fixed roller 6 passes through the fixed roller bearing seats 24 to be connected with the other end of the power output coupling 5. The rolling assembly lubrication system is composed of an electric butter machine 15 and an oil pipe, wherein the electric butter machine 15 is arranged on the side edge of the frame 13, and is used for conveying lubricating butter to the movable roller bearing seat 26, the fixed roller bearing seat 24 and the movable roller assembly sliding guide rail 8 through the oil pipe. The temperature measuring system is composed of four bearing seat temperature sensors 7 which are respectively arranged on the end surfaces of the movable roller bearing seat 26 and the fixed roller bearing seat 24.
The feeding chute 2 is a charging barrel with a rectangular section, is obliquely arranged, the upper end of the feeding chute is connected with the lower end of the large hopper 1, and the lower end of the feeding chute is connected with an opening on the sand making box 25; the upper part of the feeding chute 2 is also provided with a feeding detection mechanism which consists of a feeding turning plate 18, a feeding turning plate rotating shaft 21, a pair of feeding turning plate rotating shaft bearing seats 23, a Hall sensor 19 and a Hall sensor mounting plate 20, wherein: the feeding turning plate rotating shaft bearing seats 23 are arranged on the outer sides of the two side plates of the feeding chute 2 (the outer sides are also provided with bearing seat mounting plates 22 for reinforcement), the feeding turning plate rotating shafts 21 are arranged in the two feeding turning plate rotating shaft bearing seats 23 in a penetrating way, and the feeding turning plate 18 is arranged on the feeding turning plate rotating shafts 21 of the inner cavity section of the feeding chute 2; the upper part of the Hall sensor mounting plate 20 is arranged at the outer side of the feeding chute 2, and the lower part of the Hall sensor mounting plate and the extending end of the feeding turning plate rotating shaft 21 are provided with Hall sensors 19.
The electric control cabinet 17 is composed of a PLC controller, a motor 3, a speed reducer thin oil station 12, a hydraulic station 16, a pressure regulating oil cylinder 14, a manual switch button of an electric butter machine 15, a one-key start button, a one-key stop button, an emergency stop button and a manual mode button. The control line of the PLC is respectively connected with the motor 3, the oil pump of the speed reducer thin oil station, the refrigerating device of the speed reducer thin oil station, the hydraulic station 16 and the electric butter machine 15, and the signal lines of the motor temperature sensor, the bearing seat temperature sensor 7, the electromagnetic directional valve, the oil return temperature sensor, the oil outlet temperature sensor and the Hall sensor 19 are all connected with the PLC.
The program of the PLC controller can be used for compiling a plurality of sand making working modes according to the sand making process requirements, and the embodiment enumerates three working modes according to the parameters including proper pressure values for crushing different materials, the size of the material feeding amount and working current of a motor for doing work.
Working mode 1:
the method comprises the steps of utilizing cobble hard materials to manufacture middle sand with fineness modulus of 3, setting a pressure value between two rollers (namely, a movable roller 10 and a fixed roller 6) of a crushing cavity (namely, an inner cavity of a sand manufacturing box body 25) of a sand manufacturing machine to be about 8MPa, setting a motor 3 to be 160Kw, properly reducing the pressure to 7MPa if the gradation shows that the powder content is too large, increasing the throughput to enable the motor 3 to work to be 280A, taking out the benefits of the sand manufacturing machine as a best result, and setting the pressure value of the motor 3 to be the best when the sand manufacturing efficiency is low and generally reaches about 280A, wherein the work of the motor 3 reaches 90%, the balance is to protect the motor 3, preventing the instant current from increasing when large materials pass, gradually amplifying the materials to the work current of the motor 3 to reach about 280A, locking the angle of a material discharging valve (namely, a feeding flap 18), then taking out finished sand samples to laboratory test fineness modulus and grading, properly reducing the pressure to 7MPa if the gradation shows that the powder content is too large, increasing the throughput to enable the motor 3 to work to be 280A, taking out the best samples to be tested again, and enabling the pressure value of the motor 3 detected by a Hall sensor to be the best to work state to be the best when the work state of the sand manufacturing machine is reached, and the best working state is 1 when the working state is reached.
Working mode 2:
when the material supply is insufficient, the pressure is large, the powder content of the crushed material is increased, the angle of the feeding turning plate 18 connected with the Hall sensor 19 is between the maximum and the minimum, a range is determined by us, for example, 0 degree when no material exists, the maximum feeding angle is 35 degrees in the working mode 1, and 1 or 2 working modes are set in the range of 5 degrees to 30 degrees, the pressure value is set to 4MPa (several ranges can be set according to the difference of the angles of the feeding turning plate 18, for example, the working mode III and the working mode IV are set to 5MPa and 6MPa, because the full load work is not performed, the working current of the motor 3 is not up to 280A, the material is not washed out by the feeding turning plate 18, the material is stored in a large hopper on a sand making machine, the range of 30 degrees to 35 degrees, the working mode 1 or 2 working modes are set in the middle in general, the example, only one working mode 2 is set, in order to avoid the influence of the material supply is not enough in the state when the production line equipment is in fault, the pressure is large, the pressure is not influenced by the large and the pressure is changed to the large-scale grinding machine, the hydraulic pressure is not influenced by the material pump, the automatic grinding machine is in the mode 1 or the mode, the automatic grinding machine is in the mode, the mode is free from the mode, the automatic grinding system is a pressure is increased or reduced, the fineness is reduced, and the fineness of the material is gradually is reduced, and the working system is automatically reduced, and the fineness is automatically during the pump is reduced, and the system is in the mode during the mode is under the conditions is reduced.
Working mode 3:
when the roller sheet (usually made of wear-resistant materials such as wear-resistant parts and high manganese alloy) of the movable roller 10 and/or the fixed roller 6 is worn from 120mm to the rest 40mm, if the working mode 1 is adopted to work, the roller sheet is gradually thinned along with the gradual wear of the roller sheet, the pressure is high, the risk of bursting of the roller sheet can be caused, the set working mode 3 sets the pressure value to be 5MPa, the working current of the motor 3 needs to reach 280A due to the reduction of the pressure value, the discharging angle (namely, the angle of the feeding turning plate 18) can be properly increased, the discharging is increased, the pressure is low, the sand forming rate can be lower than the working mode 1, the discharge amount is increased, about 80% of the normal output of the working mode 1 can be achieved, the workload of the production line screening equipment is only increased, the roller sheet can be worn to the rest 5-10mm after the pressure is reduced, the fixed loss is reduced, and the service time and the replacement period of the roller sheet are prolonged. At the moment, when the system is started and shut down or the materials are insufficient, the working mode 2 and the working mode 3 can be automatically switched until a new roller sheet is replaced.
When the sand making machine is used, a one-key starting button is clicked on an electric control cabinet 17, the system is started according to a PLC controller, firstly, the speed reducer thin oil station 12 and the hydraulic station 16 are started, the speed reducer 9 is driven to rotate through the power output coupler 5 when the speed reducer thin oil station 12 and the hydraulic station 16 normally operate, the motor 3 is automatically started, the speed reducer 9 is driven to rotate through the power output coupler 5 connected with the fixed roller 6, after the operation is normal, according to the program setting of the PLC controller, the electromagnetic reversing valve controls the pressure regulating cylinder 14 to start to automatically start to pressurize, the pressure regulating spring push plate 11 and the movable roller 10 connected with the pressure regulating spring push plate are pushed to move towards the fixed roller 6 together, when two roller skins are slightly contacted, the fixed roller 6 can just drive the movable roller 10 to relatively move under the set initial pressure (0.1-1.2 MPa), after the two rollers of the sand making machine normally operate under the initial pressure, the PLC controller gives a signal, the raw material conveying equipment is automatically started to feed into the large hopper 1, the material in the large hopper 1 is pushed to rotate through the blanking chute 2, the feeding turnover plate 21 is driven to deflect according to the program setting of the PLC controller, the Hall sensor 19 arranged at the end of the feeding turnover plate 21 is converted into the corresponding work mode through the automatic induction turnover plate 21, and the automatic turnover plate 21 is produced through the automatic conversion of the corresponding program.
When the power-on machine is stopped, a one-key stopping button on the electric appliance control cabinet 17 is clicked, and the PLC controller can reversely operate according to the starting sequence and automatically stop in sequence.
When a problem occurs in a certain link in the production process, a worker can select an emergency stop button or a one-key stop button to operate according to the situation. The manual mode button can be clicked to manually control the motor 3, the speed reducer thin oil station 12, the hydraulic station 16, the pressure regulating oil cylinder 14 and the electric butter machine 15.
The following table shows the inspection report data of finished product machine-made sand obtained by selecting different screen pore sizes of raw sand prepared by the intelligent hydraulic roller sand making machine of the invention:
the intelligent hydraulic roller pressing sand making machine can be used for preparing building sand by utilizing various nonmetallic ores, mine tailings, industrial waste residues and other raw materials meeting the sand making requirement.
Claims (9)
1. An intelligent hydraulic roller sand pressing machine comprises a hydraulic roller sand pressing machine, wherein the hydraulic roller sand pressing machine comprises a frame (13), a power assembly, a pressure regulating assembly, a rolling assembly, a feeding chute (2), a large hopper (1) and an electric appliance control cabinet (17); the pressure regulating component is connected with the rolling component and is arranged on the frame (13); a feeding chute (2) and a large hopper (1) are sequentially arranged at the upper part of the rolling assembly; the power assembly is arranged on one side of the frame (13) and is connected with the rolling assembly; the electric appliance control cabinet (17) is arranged at the side edge of the frame (13), and control lines of the electric appliance control cabinet are respectively connected with the power component and the voltage regulating component; the method is characterized in that: the feeding chute (2) further comprises a feeding detection mechanism, wherein the feeding detection mechanism comprises a feeding turning plate (18), a feeding turning plate rotating shaft (21), a pair of feeding turning plate rotating shaft bearing seats (23), a Hall sensor (19) and a Hall sensor mounting plate (20); the feeding turning plate rotating shaft bearing seats (23) are arranged on the outer sides of two side plates of the feeding chute (2), the feeding turning plate rotating shafts (21) are arranged in the two feeding turning plate rotating shaft bearing seats (23) in a penetrating mode, and the feeding turning plate (18) is arranged on the feeding turning plate rotating shaft (21) of the inner cavity section of the feeding chute (2); the Hall sensor mounting plate (20) is arranged on the outer side of the feeding chute (2), the lower part of the Hall sensor mounting plate and the extending end of the feeding turning plate rotating shaft (21) are provided with Hall sensors (19), and signal wires of the Hall sensors (19) are connected with the electric appliance control cabinet (17);
the electrical control cabinet (17) comprises a PLC controller, a power assembly, a manual on-off button of a voltage regulating assembly, a one-key start button, a one-key stop button, an emergency stop button and a manual mode button, wherein the PLC controller is respectively connected with the power assembly, the voltage regulating assembly and a Hall sensor (19); the electric appliance control cabinet (17) is used for programming a plurality of sand making working modes for the PLC according to proper pressure values of crushing different materials, the size of the feeding amount of the materials and working current of the power assembly to do work; during the use, the material in big hopper (1) promotes feeding through unloading chute (2) and turns over board (18) rotation, drives feeding and turns over board pivot (21) and deflect, and hall sensor (19) of installing in feeding and turn over the end of board pivot (21) are through the deflection angle of feeding and turn over board pivot (21), and the sensing big hopper (1) is through the how much of unloading chute (2) feeding, and the program automatic conversion of PLC controller carries out automated production into corresponding sand making mode.
2. The intelligent hydraulic roll-in sand making machine of claim 1, wherein: a bearing seat mounting plate (22) for mounting the feeding turning plate rotating shaft bearing seat (23) is further arranged between the feeding turning plate rotating shaft bearing seat (23) and the outer sides of the two side plates of the feeding chute (2).
3. The intelligent hydraulic roll-in sand making machine of claim 2, wherein: the power assembly comprises a motor (3), a belt transmission part (4), a speed reducer (9) and a speed reducer oil dilution station (12) and a power output coupler (5); the motor (3) is connected with a speed reducer (9) through a belt transmission part (4), the speed reducer thin oil station (12) is connected with the speed reducer (9) through an oil outlet pipe and an oil return pipe, and the speed reducer (9) is connected with a rolling assembly through a power output coupling (5); and a control line output by the electric appliance control cabinet (17) is connected with the motor (3) and the speed reducer oil dilution station (12).
4. An intelligent hydraulic roll-in sand making machine according to claim 3, characterized in that: the speed reducer thin oil station (12) comprises a speed reducer thin oil station oil tank, a speed reducer thin oil station oil pump, a speed reducer thin oil station refrigerating system, a speed reducer thin oil station temperature measurement system, a one-way valve, an oil filter and a heater, wherein the speed reducer thin oil station refrigerating system comprises a speed reducer thin oil station refrigerating device and a speed reducer thin oil station cold-heat exchange component, the speed reducer thin oil station refrigerating device is arranged outside the speed reducer thin oil station oil tank, the speed reducer thin oil station oil pump, the speed reducer thin oil station cold-heat exchange component and the heater are soaked in speed reducer thin oil in the speed reducer thin oil station oil tank, the one-way valve is arranged in an oil outlet pipe, and the oil filter is arranged at an oil return port; the temperature measurement system of the thin oil station of the speed reducer comprises an oil return temperature sensor and an oil outlet temperature sensor, wherein the oil return temperature sensor and the oil outlet temperature sensor are respectively arranged at an oil return port and an oil outlet of an oil tank of the thin oil station of the speed reducer; the control lines of the speed reducer thin oil station oil pump, the speed reducer thin oil station refrigerating system, the one-way valve and the heater are connected with the electric appliance control cabinet (17) through signal lines of the oil return temperature sensor and the oil outlet temperature sensor.
5. The intelligent hydraulic roll-in sand making machine of claim 4, wherein: the pressure regulating assembly comprises a hydraulic station (16), a pressure regulating oil cylinder (14) and a pressure regulating spring push plate (11) and an electromagnetic reversing valve; the hydraulic station (16) is arranged at one end of the frame (13), and an oil pipe of the hydraulic station is connected with a pressure regulating oil cylinder (14) arranged on the frame (13) through an electromagnetic reversing valve; the extending shaft of the pressure regulating oil cylinder (14) is connected with a pressure regulating spring pushing plate (11), and the other end of the pressure regulating spring pushing plate (11) is connected with a rolling assembly; and a control line output by the electrical control cabinet (17) is respectively connected with the hydraulic station (16) and the electromagnetic reversing valve.
6. The intelligent hydraulic roll-in sand making machine of claim 5, wherein: the rolling assembly comprises a sand making box body (25), a movable roller assembly and a fixed roller assembly; the movable roller assembly comprises a movable roller (10), a pair of movable roller bearing blocks (26) and two pairs of movable roller assembly sliding guide rails (8) which are combined up and down, wherein the movable roller assembly sliding guide rails (8) are respectively arranged on a rack (13) at two sides of a sand making box body (25), the movable roller (10) is arranged in the sand making box body (25) in a penetrating way, the extending parts at two ends of the movable roller (10) are respectively arranged in the movable roller bearing blocks (26) in a penetrating way, the upper part and the lower part of the movable roller bearing blocks (26) are respectively arranged in the movable roller assembly sliding guide rails (8) which are combined up and down, and one end of a pressure regulating spring push plate (11) is respectively connected with the movable roller bearing blocks (26); the fixing roller assembly comprises a fixing roller (6) and a pair of fixing roller bearing seats (24), the fixing roller (6) is arranged in the sand making box body (25) in a penetrating mode, protruding portions at two ends of the fixing roller are respectively arranged in the fixing roller bearing seats (24) in a penetrating mode, and the fixing roller bearing seats (24) are arranged on the frames (13) on two sides of the sand making box body.
7. The intelligent hydraulic roll-in sand making machine of claim 6, wherein: the rolling assembly comprises a rolling assembly lubricating system, wherein the rolling assembly lubricating system comprises an electric butter machine (15) and an oil pipe, the electric butter machine (15) is arranged on the side edge of a frame (13) and is used for respectively conveying lubricating butter to a movable roller bearing seat (26) and a fixed roller bearing seat (24) through the oil pipe; and a control line output by the electric appliance control cabinet (17) is connected with the electric butter machine (15).
8. The intelligent hydraulic roll-in sand making machine of claim 7, wherein: the electric butter machine (15) also respectively conveys lubricating butter to the sliding guide rail (8) of the movable roller assembly through oil pipes.
9. The intelligent hydraulic roll-in sand making machine of claim 8, wherein: bearing seat temperature sensors (7) for measuring the temperature of the movable bearing seat (26) and the fixed bearing seat (24) are respectively arranged on the movable bearing seat and the fixed bearing seat, and signal wires of the bearing seat temperature sensors (7) are connected with an electrical control cabinet (17).
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