CN110064484B - Crushing system - Google Patents
Crushing system Download PDFInfo
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- CN110064484B CN110064484B CN201910288398.6A CN201910288398A CN110064484B CN 110064484 B CN110064484 B CN 110064484B CN 201910288398 A CN201910288398 A CN 201910288398A CN 110064484 B CN110064484 B CN 110064484B
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- crushing
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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
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/08—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers
- B02C18/12—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers with drive arranged below container
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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
- B02C21/00—Disintegrating plant with or without drying of the material
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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
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The invention relates to a crushing system, which comprises a crushing box (1) and a crushing unit, wherein the crushing unit comprises a crushing piece and a power source, the crushing piece is arranged in the crushing box (1), the power source is connected with the crushing piece, and the power source is arranged outside the crushing box (1); the crushing member comprises a first crushing mechanism (4) and a second crushing mechanism (5); the utility model discloses a crushing box, including crushing case (1), bolt knife tackle (402) are installed to the inside lower extreme of crushing case (1) and are connected with first crushing mechanism (4), the inside of first crushing mechanism (4) is including first transmission shaft (401), and the upper end of first transmission shaft (401), the inside of crushing case (1) is equipped with second crushing mechanism (5), the inside of second crushing mechanism (5) is including second transmission shaft (501), and the both sides of second transmission shaft (501) settle there are blade set (502). The invention can not only break the big materials, but also finish the treatment of the small materials.
Description
Technical Field
The invention relates in particular to a crushing system.
Background
The types of crushers are many, and commonly used crushing machines include jaw crushers, impact crushers, gyratory crushers, cone crushers, roller crushers, hammer crushers, vertical shaft impact crushers, and the like. Each crusher system is suitable for different crushed material sizes, for example, the impact crusher is suitable for crushing larger or huge material particles; the cone crusher and the hammer crusher are suitable for crushing medium-sized or small-sized materials.
At present, when a crushing system works, the crushing system needs to be investigated and adjusted in advance to be suitable for crushers which meet the size of materials, but in practical application, the size of the crushed materials is not determined, a plurality of crushers need to be prepared, the occupied space is large, the use is inconvenient, and the invention is provided for solving the problem.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a crushing system which can crush large materials and complete the treatment of small materials.
A crushing system comprises a crushing box and a crushing unit, wherein a feeding hole is formed in the upper end of the crushing box, and a discharging hole is formed in the lower end of the crushing box; the crushing unit comprises a crushing piece and a power source, the crushing piece is arranged in the crushing box, the power source is connected with the crushing piece, and the power source is arranged outside the crushing box; the crushing member comprises a first crushing mechanism and a second crushing mechanism; the inside lower extreme of broken case is connected with first broken mechanism, the inside of first broken mechanism is including first transmission shaft, and the upper end of first transmission shaft installs bolt knife tackle, the inside of broken case is equipped with the broken mechanism of second, the inside of the broken mechanism of second is including the second transmission shaft, and the both sides of second transmission shaft settle there is the blade group.
Further, the crushing system further comprises a control unit and a pressure sensor; the control unit is connected with the first crushing mechanism and the second crushing mechanism, and the pressure sensor is installed in the first crushing mechanism.
Further, an amplifying circuit is connected between the control unit and the pressure sensor; the amplifying circuit is used for converting an analog signal transmitted by the pressure sensor into a digital signal, and the control unit directly receives the digital signal and records a bearing pressure value of the first crushing mechanism.
Preferably, the control unit comprises a pressure detection unit and a crushing mechanism control unit, and the pressure detection unit is connected with the pressure sensor and is used for obtaining pressure information detected by the pressure sensor.
Preferably, the control unit further comprises a counter for calculating the storage time and the control time and the time difference, the interval of time.
Furthermore, a current transformer and a current transducer are connected between the first crushing mechanism and the control unit, and after the current of the spindle motor of the first crushing mechanism passes through the current transformer and then passes through the current transducer, the control unit samples according to a certain frequency, so that the current value of the first crushing mechanism is obtained.
Further, the method for detecting whether the large material or the small material is detected by the pressure detection unit comprises the following steps:
and S1, the pressure sensor is used for detecting the pressure value of the first rotating shaft, the pressure detection unit obtains the pressure value of the first rotating shaft detected by the pressure sensor, the pressure value is an analog signal and transmits the analog signal of the pressure value to the control unit, and the control unit calculates and converts the analog signal of the pressure value into pressure numerical value information.
And S2, setting a pressure change value P1 borne by the first rotating shaft in a unit time T1 within a certain time period T, wherein the pressure change value is measured by a pressure sensor.
S3, the control unit obtains the measured value, compares the measured value P1 with a preset value P, judges whether the measured value P1 is larger than the preset value, if so, turns to S4; if not, turning to S5;
s4, showing that the large materials flow into the crusher through the feeding hole, controlling the driving module by the control unit 6, starting the first crushing mechanism and the second crushing mechanism, and crushing the large materials by the first crushing mechanism;
and S5, the control unit controls the driving module to directly start the second crushing mechanism.
Further, in step 5, whether the first crushing mechanism is operated is detected, and if so, the process goes to step S6;
and S6, the control unit controls the driving module to stop the first crushing mechanism.
Furthermore, the detection work of the first crushing mechanism is obtained through a current transformer and a current transmitter between the first crushing mechanism and the control unit, after the current of the spindle motor of the first crushing mechanism passes through the current transformer, the current transmitter passes through the current transformer, the control unit samples according to certain frequency, so that the current value of the first crushing mechanism is obtained, the current value is compared with a preset current value, the current value is larger than the preset current value, the first crushing mechanism is in a working state, and otherwise, the first crushing mechanism is in a shutdown state.
Has the advantages that:
the first crushing mechanism is used for crushing large materials, when the crusher detection unit detects that the large materials enter the crushing system, the control unit sequentially starts the first crushing mechanism and the second crushing mechanism, the first crushing mechanism can efficiently crush the large materials, when the large materials are crushed by the first crushing mechanism to form small materials with fine or medium particles, the second crushing mechanism continues to crush the small materials continuously, and the crushing effect can be better achieved; when the crusher detection unit detects that the small materials enter the crushing system, the control unit starts the second crushing mechanism, the invention can crush small materials efficiently by arranging the first crushing mechanism and the second crushing mechanism, the first crushing mechanism can crush large materials with poor crushing effect on small materials, meanwhile, the efficiency of crushing large materials by the second crushing mechanism can be reduced when the small materials are crushed, under the condition, when the invention detects that the crushed materials are small materials, the first crushing mechanism does not work any more, the control unit directly starts the second crushing mechanism, the first crushing mechanism is prevented from idling and consuming energy, the purpose of saving energy resources is achieved, through setting up first broken mechanism and the broken mechanism of second to and breaker detecting element, ensure that a breaker can broken bold material can accomplish the processing of fritter material again.
Drawings
Fig. 1 is a schematic view of the crushing system of the present invention.
FIG. 2 is a process flow diagram of the crushing system of the present invention.
Detailed Description
In order to facilitate understanding of the technical means and process flow of the present invention, the present invention is further described below with reference to the specific drawings.
Example 1:
the utility model provides a crushing system, includes broken case 1 and crushing unit, the upper end of broken case 1 is provided with feed inlet 2, the lower extreme of broken case 1 is provided with discharge gate 3.
The crushing unit comprises a crushing member and a power source, the crushing member is arranged in the crushing box 1, the power source is connected with the crushing member, and the power source is arranged outside the crushing box 1. The crushing members comprise a first crushing mechanism 4 and a second crushing mechanism 5.
The inside lower extreme of broken case 1 is connected with first crushing mechanism 4, the inside of first crushing mechanism 4 is including first transmission shaft 401, and the upper end of first transmission shaft 401 installs bolt knife tackle 402, the inside of broken case 1 is equipped with second crushing mechanism 5, the inside of second crushing mechanism 5 is including second transmission shaft 501, and the both sides of second transmission shaft 501 settle there is blade set 502.
The crushing system further comprises a control unit 6 and a pressure sensor.
The control unit 6 is connected with the first crushing mechanism 4 and the second crushing mechanism 5, the pressure sensor is installed in the first crushing mechanism 4 and used for detecting the bearing pressure value of the first crushing mechanism 4, the received pressure value is an analog signal, an amplifying circuit is connected between the control unit 6 and the pressure sensor and used for converting the analog signal transmitted by the pressure sensor into a digital signal, and the control unit 6 directly receives the digital signal and records the bearing pressure value of the first crushing mechanism 4.
Considering that the material has a short impact on the crusher when falling in, the impact of the large material on the crusher in a short time is particularly large.
The control unit 6 comprises a pressure detection unit and a crushing mechanism control unit, the pressure detection unit is connected with a pressure sensor and used for obtaining pressure information detected by the pressure sensor, and the pressure information is a pressure value born by the first crushing mechanism 4 when the crushed material enters the crushing system and falls onto the first crushing mechanism 4.
The crushing mechanism control unit is used for driving and controlling the starting and stopping of the first crushing mechanism 4 and the second crushing mechanism 5.
The control unit 6 further comprises a counter for calculating the storage time and the control time and the time difference, the interval of time.
A current transformer and a current transducer are further connected between the first crushing mechanism 4 and the control unit 6, and after the current of the spindle motor of the first crushing mechanism 4 passes through the current transformer and then passes through the current transducer, the control unit 6 samples according to a certain frequency, so that the current value of the first crushing mechanism 4 is obtained.
The detection method can change large current into small current, change alternating current into direct current, and process the current into a digital quantity form, thereby reducing the requirements on comparison devices and being easier to compare.
The first crushing mechanism is used for crushing large materials, when the crusher detection unit detects that the large materials enter the crushing system, the control unit 6 sequentially starts the first crushing mechanism and the second crushing mechanism, the first crushing mechanism can efficiently crush the large materials, when the large materials are crushed by the first crushing mechanism to form small materials with fine or medium particles, the second crushing mechanism continuously crushes the small materials, and the crushing effect can be better achieved; when the crusher detection unit detects that the small materials enter the crushing system, the control unit 6 starts the second crushing mechanism to crush the small materials.
In practical application, few special crushing mechanisms can achieve the high effective crushing effect on large materials and can achieve the sufficient delicate crushing effect on small materials, the first crushing mechanism can efficiently crush large materials and has a poor crushing effect on small materials, and meanwhile, the second crushing mechanism can achieve the low effective crushing effect on the large materials due to the fact that the small materials are crushed. Through setting up first broken mechanism and the broken mechanism of second to and breaker detecting element, ensure that a breaker can broken bold material can accomplish the processing of fritter material again.
The first crushing mechanism of the crusher is also provided with a lifting mechanism, so that the bolt cutter set 402 can be retracted, and the impact of the falling material on the bolt cutter set 402 is reduced, so that the bolt cutter set 402 is worn in function.
The method for detecting whether the large material or the small material is detected by the pressure detection unit comprises the following steps:
and S1, the pressure sensor is used for detecting the pressure value of the first rotating shaft, the pressure detection unit obtains the pressure value of the first rotating shaft detected by the pressure sensor, the pressure value is an analog signal and transmits the analog signal of the pressure value to the control unit 6, and the control unit 6 calculates and converts the analog signal of the pressure value into pressure numerical value information.
And S2, setting a pressure change value P1 borne by the first rotating shaft in a unit time T1 within a certain time period T, wherein the pressure change value is measured by a pressure sensor.
S3, the control unit 6 obtains the measured value, compares the measured value P1 with a preset value P, judges whether the measured value P1 is larger than the preset value, if so, turns to S4; if not, turning to S5;
s4, showing that the large materials flow into the crusher through the feeding hole, controlling the driving module by the control unit 6, starting the first crushing mechanism and the second crushing mechanism, and crushing the large materials by the first crushing mechanism;
s5, the control unit 6 controls the driving module to directly start the second crushing mechanism;
s6, turning to S7 by detecting whether the first crushing mechanism works or not and determining that the first crushing mechanism works;
the detection work of the first crushing mechanism is obtained through a current transformer and a current transmitter between the first crushing mechanism 4 and the control unit 6, after the current of a spindle motor of the first crushing mechanism 4 passes through the current transformer, the current transmitter passes through the current, the control unit 6 samples according to certain frequency, so that the current value of the first crushing mechanism 4 is obtained, the current value is larger than a preset current value by comparing the current value with the preset current value, the first crushing mechanism 4 is in a working state, and otherwise, the first crushing mechanism 4 is in a shutdown state.
S7, the control unit 6 controls the driving module to stop the first crushing mechanism to work, and idling of the first crushing mechanism is reduced when small materials are crushed.
The foregoing shows the general principles and features of the present invention and its advantages. While the foregoing embodiments and description have been made only for the purpose of illustrating the principles of the invention, and other details have not been set forth in detail, it will be apparent that various changes and modifications can be made therein without departing from the spirit and scope of the invention, which is defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. A crushing system comprises a crushing box (1) and a crushing unit, wherein a feeding hole (2) is formed in the upper end of the crushing box (1), and a discharging hole (3) is formed in the lower end of the crushing box (1); the crushing unit comprises a crushing piece and a power source, the crushing piece is arranged in the crushing box (1), the power source is connected with the crushing piece, and the power source is arranged outside the crushing box (1); characterized in that said crushing member comprises a first crushing means (4) and a second crushing means (5); the crushing device comprises a crushing box (1), wherein the lower end of the interior of the crushing box (1) is connected with a first crushing mechanism (4), the interior of the first crushing mechanism (4) comprises a first transmission shaft (401), the upper end of the first transmission shaft (401) is provided with a bolt cutter set (402), the interior of the crushing box (1) is provided with a second crushing mechanism (5), the interior of the second crushing mechanism (5) comprises a second transmission shaft (501), and two sides of the second transmission shaft (501) are provided with blade sets (502);
the crushing system further comprises a control unit (6) and a pressure sensor; the control unit (6) is connected with the first crushing mechanism (4) and the second crushing mechanism (5), and the pressure sensor is installed in the first crushing mechanism (4);
an amplifying circuit is connected between the control unit (6) and the pressure sensor; the amplifying circuit is used for converting an analog signal transmitted by the pressure sensor into a digital signal, and the control unit (6) directly receives the digital signal and records a bearing pressure value of the first crushing mechanism (4);
the control unit (6) comprises a pressure detection unit and a crushing mechanism control unit, and the pressure detection unit is connected with the pressure sensor and is used for obtaining pressure information detected by the pressure sensor;
the method for detecting whether the large material or the small material is detected by the pressure detection unit comprises the following steps:
s1, the pressure sensor is used for detecting the pressure value of the first rotating shaft, the pressure detection unit obtains the pressure value of the first rotating shaft detected by the pressure sensor, the pressure value is an analog signal and transmits the analog signal of the pressure value to the control unit, and the control unit calculates and converts the analog signal of the pressure value into pressure numerical value information;
s2, setting a pressure change value P1 borne by the first rotating shaft in unit time T1 within a certain time period T, wherein the pressure change value is measured by a pressure sensor;
s3, the control unit obtains the measured value, compares the measured value P1 with a preset value P, judges whether the measured value P1 is larger than the preset value, if so, turns to S4; if not, turning to S5;
s4, showing that the large materials flow into the crusher through the feeding hole, controlling the driving module by the control unit, starting the first crushing mechanism and the second crushing mechanism, and crushing the large materials by the first crushing mechanism;
and S5, the control unit controls the driving module to directly start the second crushing mechanism.
2. The crushing system of claim 1, wherein: in step 5, detecting whether the first crushing mechanism works, if so, turning to step S6;
and S6, the control unit controls the driving module to stop the first crushing mechanism.
3. The crushing system of claim 2, wherein:
a current transformer and a current transducer are further connected between the first crushing mechanism (4) and the control unit (6), after the current of the spindle motor of the first crushing mechanism (4) passes through the current transformer, the current passes through the current transducer, and the control unit (6) samples according to a certain frequency, so that the current value of the first crushing mechanism (4) is obtained;
the detection work of the first crushing mechanism is obtained through a current transformer and a current transmitter between the first crushing mechanism and the control unit, after the current of a spindle motor of the first crushing mechanism passes through the current transformer, the current transmitter passes through the current transmitter, the control unit samples according to certain frequency, so that the current value of the first crushing mechanism is obtained, the current value is compared with a preset current value, the current value is larger than the preset current value, the first crushing mechanism is in a working state, and otherwise, the first crushing mechanism is in a shutdown state.
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| CN201910288398.6A CN110064484B (en) | 2019-04-11 | 2019-04-11 | Crushing system |
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| CN110064484B true CN110064484B (en) | 2021-11-05 |
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Inventor after: Zhou Liancheng Inventor after: Lou Kebai Inventor after: Chen Su Inventor after: Yang Songping Inventor after: Yu Chaoping Inventor after: Wen Ming Inventor before: Zhou Liancheng Inventor before: Lou Kebai Inventor before: Yang Songping Inventor before: Yu Chaoping Inventor before: Wen Ming Inventor before: Chen Su |
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Denomination of invention: A crushing system Effective date of registration: 20220718 Granted publication date: 20211105 Pledgee: Agricultural Bank of China Limited by Share Ltd. Changxing County branch Pledgor: ZHEJIANG TIANNENG POWER SOURCE MATERIAL Co.,Ltd. Registration number: Y2022980010706 |
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