CN116510853A - Double-rotor sand mill - Google Patents

Double-rotor sand mill Download PDF

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Publication number
CN116510853A
CN116510853A CN202310282558.2A CN202310282558A CN116510853A CN 116510853 A CN116510853 A CN 116510853A CN 202310282558 A CN202310282558 A CN 202310282558A CN 116510853 A CN116510853 A CN 116510853A
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CN
China
Prior art keywords
motor
assembly
rotor
grinding
sand mill
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Pending
Application number
CN202310282558.2A
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Chinese (zh)
Inventor
李源林
崔王卿
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Husong Intelligent Equipment Taicang Co ltd
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Husong Intelligent Equipment Taicang Co ltd
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Priority to CN202310282558.2A priority Critical patent/CN116510853A/en
Publication of CN116510853A publication Critical patent/CN116510853A/en
Pending legal-status Critical Current

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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
    • B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
    • 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
    • B02C18/16—Details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • 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
    • B02C18/16—Details
    • B02C18/24—Drives
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)

Abstract

本发明提供一种双转子砂磨机，包括：研磨筒体，所述研磨筒体的其中一端设有出料口，另一端连接动力源；所述研磨筒体内设有主动轴和从动轴，所述主动轴和所述从动轴上分别设有研磨组件，所述研磨组件用于对研磨筒体内的物料进行研磨。本发明用以解决现有技术中单转子砂磨机在工作过程因单向高速旋转而导致其磨损严重的情况，通过设计双转子砂磨机来提高其工作效率，还能降低其磨损率，有效提高生产效率且降低生产成本。

The invention provides a double-rotor sand mill, comprising: a grinding cylinder, one end of which is provided with a discharge port, and the other end is connected to a power source; the grinding cylinder is provided with a driving shaft and a driven shaft , the driving shaft and the driven shaft are respectively provided with a grinding assembly, and the grinding assembly is used to grind the material in the grinding cylinder. The present invention is used to solve the situation that the single-rotor sand mill in the prior art is seriously worn due to one-way high-speed rotation during the working process, and the double-rotor sand mill is designed to improve its working efficiency and reduce its wear rate. Effectively improve production efficiency and reduce production costs.

Description

Double-rotor sand mill
Technical Field
The invention relates to the technical field of sand mills, in particular to a double-rotor sand mill.
Background
At present, a sand mill generally adopts a single-rotor type, grinding beads are driven by rotation of a rotor, and grinding is realized by shearing action among the grinding beads, and because the single-rotor type grinding mill rotates in a single rotation direction, the grinding can be realized only by a relatively high rotation speed, and the high rotation speed has the negative effects of high energy consumption, serious abrasion, low grinding efficiency and the like;
therefore, a rotor sand mill capable of solving the defects of the single-rotor sand mill is lacking, so that the aims of reducing abrasion during high-speed running operation of the sand mill and improving grinding efficiency are fulfilled.
Disclosure of Invention
The invention provides a double-rotor sand mill, which is used for solving the problem that the single-rotor sand mill is seriously worn due to unidirectional high-speed rotation in the working process in the prior art, and improving the working efficiency, reducing the wear rate, effectively improving the production efficiency and reducing the production cost by designing the double-rotor sand mill.
The invention provides a double-rotor sand mill, comprising: a power source and a grinding mill main body, wherein the power source is used for driving the grinding mill main body,
the grinder body includes: one end of the grinding cylinder body is provided with a discharge hole, and the other end of the grinding cylinder body is connected with a power source;
the grinding cylinder is internally provided with a driving shaft and a driven shaft, the driving shaft and the driven shaft are respectively provided with a grinding assembly, and the grinding assemblies are used for grinding materials in the grinding cylinder.
Preferably, the grinding assembly comprises a driving rotor assembly and a driven rotor assembly, wherein the driving rotor assembly is provided with a plurality of driving rotor assemblies and is arranged on the outer wall of the driving shaft at intervals through a spacer sleeve;
the driven rotor assembly is provided with a plurality of driven rotor assemblies and is installed on the outer wall of the driven shaft at intervals through a plurality of isolating sleeves;
the driving rotor assembly and the driven rotor assembly are grinding cutter assemblies.
Preferably, one end of the driving shaft is erected on the inner wall of the grinding cylinder body through a bearing, the other end of the driving shaft is connected with a power source, the power source comprises a motor and a belt wheel transmission assembly, and the belt wheel transmission assembly is used for being connected with the output end of the motor;
one end of the driven shaft is connected with the gear transmission assembly, the other end of the driven shaft is provided with a sleeve, the sleeve is sleeved on the separation assembly, and the separation assembly is used for separating the ground material from the positive ground material and outputting the ground material through a discharge hole connected with the separation assembly.
Preferably, one end of the driving shaft and one end of the driven shaft, which are close to the gear transmission assembly, are respectively provided with a sealing element, and the sealing element is arranged on one side end cover of the grinding cylinder body and is used for sealing a connecting gap between the driving shaft and the driven shaft, which extends outwards from the grinding cylinder body.
Preferably, the gear assembly includes: the first synchronous gear is connected to the outer wall of one end of the driving shaft, the second synchronous gear is connected to one end of the driven shaft, and the first synchronous gear and the second synchronous gear are respectively erected at one end of the grinding cylinder body through a gear box; the first synchronous gear and the second synchronous gear are meshed.
Preferably, one end of the belt wheel transmission assembly is connected with the output end of the motor, and the other end of the belt wheel transmission assembly is connected with the driving shaft extending from the grinding cylinder body;
and a bearing seat is further arranged between the gear box and the belt wheel transmission assembly, and is used for erecting the driving shaft and enhancing the stability of the driving shaft.
Preferably, a feed inlet is formed in one end, close to the sealing element, of the grinding cylinder body, and the feed inlet is used for feeding materials to be ground into the grinding cylinder body.
Preferably, the pulley transmission assembly includes: the first belt pulley is connected with the output end of the motor, the second belt pulley is connected with the driving shaft, and the first belt pulley and the second belt pulley are in linkage arrangement through a belt;
the motor is erected above or at one side of the bearing seat, and a working gap is arranged between the motor and the bearing seat.
Preferably, the driving rotor assembly and the driven rotor assembly are staggered in the grinding cylinder body.
The working principle and the beneficial effects of the invention are as follows:
the invention provides a double-rotor sand mill, comprising: one end of the grinding cylinder body is provided with a discharge hole, and the other end of the grinding cylinder body is connected with a power source; the grinding cylinder is internally provided with a driving shaft and a driven shaft, the driving shaft and the driven shaft are respectively provided with a grinding assembly, and the grinding assemblies are used for grinding materials in the grinding cylinder. The invention is used for solving the problem that the single-rotor sand mill in the prior art is seriously worn due to unidirectional high-speed rotation in the working process, and the working efficiency of the single-rotor sand mill is improved by designing the double-rotor sand mill, so that the wear rate of the single-rotor sand mill can be reduced, the production efficiency is effectively improved, and the production cost is reduced.
The invention can improve the grinding effect and efficiency, improve the production efficiency, play a role in saving energy, and simultaneously reduce the abrasion of equipment and prolong the service life.
According to the invention, the grinding beads are driven to run in opposite directions through the relative rotation of the driving rotor assembly and the driven rotor assembly, so that the grinding effect can be realized at the same relative speed by using the rotation speed of a single-rotor sand mill of 1/2 or lower, the grinding effect and efficiency can be improved under the condition of lower rotation speed, the production efficiency can be improved, the energy-saving effect can be realized, the abrasion of equipment can be reduced, and the service life can be prolonged.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and drawings.
The technical scheme of the invention is further described in detail through the drawings and the embodiments.
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 diagram of the structure of the present invention;
fig. 2 is a schematic diagram of a power source structure according to the present invention.
Wherein, 1-motor; 2-pulley drive assembly; 3-a driving shaft; 4-a driven shaft; 5-synchronizing gears; 6-synchronizing gears; 7-an active rotor assembly; 8-a driven rotor assembly; 9-a seal; 10-a gear box; 11-grinding a cylinder; 12-a separation assembly; 13-a feed inlet; 14-a discharge hole; 15-bearing blocks, 16-first pulleys; 17-a second pulley; 18-belt.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
According to the embodiment of the invention, as shown in fig. 1-2, there is provided a twin-rotor sander comprising: a power source and a grinding mill main body, wherein the power source is used for driving the grinding mill main body,
the grinder body includes: the grinding device comprises a grinding cylinder body 11, wherein one end of the grinding cylinder body 11 is provided with a discharge hole 14, and the other end of the grinding cylinder body is connected with a power source;
the grinding cylinder 11 is internally provided with a driving shaft 3 and a driven shaft 4, the driving shaft 3 and the driven shaft 4 are respectively provided with a grinding assembly, and the grinding assemblies are used for grinding materials in the grinding cylinder 11.
The invention is used for solving the problem that the single-rotor sand mill in the prior art is seriously worn due to unidirectional high-speed rotation in the working process, and the working efficiency of the single-rotor sand mill is improved by designing the double-rotor sand mill, so that the wear rate of the single-rotor sand mill can be reduced, the production efficiency is effectively improved, and the production cost is reduced.
According to the invention, the grinding beads are driven to run in opposite directions through the relative rotation of the driving rotor assembly 7 and the driven rotor assembly 8 in the grinding assembly, so that the grinding effect can be realized at the same relative speed by using the single-rotor sand mill with the rotation speed of 1/2 or lower, the grinding effect and efficiency can be improved, the production efficiency can be improved, the energy-saving effect can be realized, the abrasion of equipment can be reduced, and the service life can be prolonged.
In one embodiment, the grinding assembly comprises a driving rotor assembly 7 and a driven rotor assembly 8, wherein the driving rotor assembly 7 is provided with a plurality of grinding units, and the grinding units are installed on the outer wall of the driving shaft 3 at intervals through isolating sleeves;
the driven rotor assembly 8 is provided with a plurality of driven rotor assemblies and is installed on the outer wall of the driven shaft 4 at intervals through a plurality of isolating sleeves;
the driving rotor assembly 7 and the driven rotor assembly 8 are grinding cutter assemblies.
One end of the driving shaft 3 is erected on the inner wall of the grinding cylinder 11 through a bearing, the other end of the driving shaft is connected with a power source, the power source comprises a motor 1 and a belt wheel transmission assembly 2, and the belt wheel transmission assembly 2 is used for connecting the output end of the motor 1;
one end of the driven shaft 4 is connected with the gear transmission assembly, the other end of the driven shaft is provided with a sleeve, the sleeve is sleeved on the separation assembly 12, and the separation assembly 12 is used for separating the ground material from the grinding material and outputting the ground material through a discharge hole 14 connected with the separation assembly 12.
The one end that is close to sealing member 9 of grinding cylinder 11 is equipped with feed inlet 13, feed inlet 13 is used for putting in the material that needs to grind to grinding cylinder 11 inside.
In the embodiment, when the motor 1 is started after feeding through the feeding port 13, the motor 1 works and then carries the belt wheel transmission assembly 2 to work, the belt wheel transmission assembly 2 is further utilized to carry the gear transmission assembly to work, and when the gear transmission assembly works, the driven shaft 4 is carried to rotate through the movement of the driving shaft 3, so that the purpose that the driving rotor assembly 7 and the driven rotor assembly 8 move together is realized; in the moving process, as the two gears are meshed, the moving directions are opposite or opposite, so that the turbulence efficiency of the driving rotor assembly 7 and the driven rotor assembly 8 in the grinding cylinder 11 is improved, the grinding efficiency is further improved, and the grinding is more complete and finer; and the abrasion rate of the workpiece is reduced, the maintenance efficiency of the grinding system is effectively reduced, the production cost is greatly saved, and the production efficiency is improved.
In one embodiment, the ends of the driving shaft 3 and the driven shaft 4 near the gear transmission assembly are respectively provided with a sealing element 9, and the sealing element 9 is arranged on one side end cover of the grinding cylinder 11 and is used for sealing a connecting gap between the driving shaft 3 and the driven shaft 4 extending outwards from the grinding cylinder 11.
In this embodiment, the sealing member 9 is configured to seal the through connection between the driving shaft 3, the driven shaft 4 and the grinding cylinder 11, so that the driving shaft 3 and the driven shaft 4 can penetrate the grinding cylinder 11, and the sealing effect can be achieved, so that the grinding cylinder 11 is prevented from leaking in the working process.
In one embodiment, the gear assembly includes: the grinding device comprises a first synchronous gear 5 and a second synchronous gear 6, wherein the first synchronous gear 5 is connected to the outer wall of one end of a driving shaft 3, the second synchronous gear 6 is connected to one end of a driven shaft 4, and the first synchronous gear 5 and the second synchronous gear 6 are respectively erected at one end of a grinding cylinder 11 through a gear box 10; the first synchronous gear 5 and the second synchronous gear 6 are meshed.
In this embodiment, the first synchronous gear 5 and the second synchronous gear 6 are meshed with each other, so that when the driving shaft 3 rotates, the driven shaft 4 is driven to rotate by the mutual meshing of the first synchronous gear 5 and the second synchronous gear 6, so that the rotation direction of the driving shaft 3 and the driven shaft 4 is opposite or opposite, and the driving rotor assembly 7 and the driven rotor assembly 8 are used for better disturbing the materials in the grinding cylinder 11 when the driving rotor assembly and the driven rotor assembly work, so that the grinding efficiency is improved, and the situation that the working abrasion degree of an independent rotor is high can be reduced.
In one embodiment, one end of the pulley transmission assembly 2 is connected with the output end of the motor 1, and the other end of the pulley transmission assembly 2 is connected with the driving shaft 3 extending from the grinding cylinder 11;
a bearing seat 15 is further arranged between the gear box 10 and the pulley transmission assembly 2, and the bearing seat 15 is used for erecting the driving shaft 3 and enhancing the stability of the driving shaft 3.
The pulley transmission assembly 2 comprises: a first belt pulley 16, wherein the first belt pulley 16 is connected with the output end of the motor 1, a second belt pulley 17, the second belt pulley 17 is connected with the driving shaft 3, and the first belt pulley 16 and the second belt pulley 17 are arranged in a linkage way through a belt 18;
the motor 1 is arranged above or at one side of the bearing seat 15, and a working gap is arranged between the motor 1 and the bearing seat 15.
In this embodiment, the first belt pulley 16 and the second belt 18 are used to transmit the power of the output end of the motor 1 to the driving shaft 3, and then drive the driven shaft 4 through the driving shaft 3, so as to achieve the purpose that the driving shaft 3 and the driven shaft 4 carry the driving rotor assembly 7 and the driven rotor assembly 8 to rotate in the grinding cylinder 11.
In one embodiment, the driving rotor assembly 7 and the driven rotor assembly 8 are disposed inside the grinding cylinder 11 in a staggered manner.
In this embodiment, the staggered design of the driving rotor assembly 7 and the driven rotor assembly 8 can sufficiently grind the materials in the grinding cylinder 11 to a greater extent, so as to improve the grinding efficiency and reduce the insufficient grinding caused by too large gap between the rotor assemblies.
In one embodiment, the motor 1 is further provided with a plurality of temperature sensors for monitoring the temperature when the motor 1 rotates, reducing the rotation speed of the motor 1 when the temperature changes excessively or the temperature changes excessively quickly, and cutting off the power supply of the motor 1 when the temperature exceeds a preset value, thereby playing an intelligent protection role,
step A1: obtaining the average variation and the average variation rate of the highest temperature on the motor 1 according to the values acquired by the temperature sensors on the motor 1 by using the formula 1:
wherein,,representing the average variation of the maximum temperature on the motor 1 at the current moment;Representing the average rate of change of the maximum temperature at the motor 1 at the current moment; t represents the current time; k represents the total number of all values historically collected by any one temperature sensor on the motor 1 at the current moment, and all the temperature sensors on the motor 1 are synchronously collected at the same frequency at the same time; q (k_a) represents a kth temperature value historically collected by an a-th temperature sensor on the motor 1; q [ (k-1) _a)]A k-1 th temperature value historically acquired by an a-th temperature sensor on the motor 1; n represents the total number of temperature sensors on the motor 1; t represents the temperature acquisition period of any one of the temperature sensors;All represent substituting a value of a from 1 to n into brackets to obtain the maximum value in brackets;
step A2: the rotation speed of the motor 1 is controlled according to the average variation amount and the average variation rate of the motor 1 using the formula 2:
wherein v (t) represents the control rotational speed value of the motor 1 at the present moment; v (V) m A controllable maximum rotational speed value representing the motor 1; Δq represents a preset temperature variation threshold; Δb represents a preset temperature change rate threshold; z []A positive number holding function, wherein the function value is a value in brackets if the value in brackets is a positive number, and the function value is 0 if the value in brackets is 0 or a negative number;
controlling the rotation speed of the motor 1 in real time according to the value of v (t);
step A3: and controlling the power on-off of the motor 1 according to the numerical values acquired by a plurality of temperature sensors on the motor 1 by using a formula 3:
wherein E (t) represents a power on-off control value of the motor 1 at the current moment; q (k_a) represents a temperature value acquired by an a-th temperature sensor on the motor 1 from the current moment; q (Q) 0 Representing a preset temperature threshold; f []A judgment function is represented, wherein the function value is 1 if the expression in the brackets is established, and the function value is 0 if the expression in the brackets is not established;
if E (t) =1, immediately controlling to cut off the power supply of the motor 1 at the current moment, and needing manual reset to continue to be electrified;
if E (t) =0, the power supply state of the motor 1 is continuously maintained;
in the scheme, the average variation and the average variation rate of the highest temperature on the motor 1 are obtained according to the values acquired by a plurality of temperature sensors on the motor 1 by utilizing the formula 1 in the step A1, so that the temperature variation on the motor 1 is monitored in multiple directions and multiple states, the reliability of a system is ensured, and the rapid investigation capability of the system when a problem occurs is reflected; then, utilizing the formula 2 in the step A2 to control the rotating speed of the motor 1 according to the average change amount and the average change rate of the motor 1, and further reducing the rotating speed when the temperature change is too fast or too much, so as to primarily reduce the temperature change of the motor 1 and prevent the temperature change from being damaged to the motor 1 too fast; and finally, controlling the power on-off of the motor 1 according to the numerical values acquired by the temperature sensors on the motor 1 by utilizing the formula 3 in the step A3, and further intelligently cutting off the power in time when the temperature is too high, so as to ensure the equipment safety of the motor 1.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims (10)

1.一种双转子砂磨机，其特征在于，包括：动力源和砂磨机主体，所述动力源用于对研磨机主体进行驱动，1. A dual-rotor sand mill, characterized in that it comprises: a power source and a sand mill body, wherein the power source is used to drive the sand mill body. 所述研磨机主体包括：研磨筒体(11)，所述研磨筒体(11)的其中一端设有出料口(14)，另一端连接动力源；The main body of the grinding machine includes: a grinding cylinder (11), one end of which is provided with a discharge port (14), and the other end is connected to a power source; 所述研磨筒体(11)内设有主动轴(3)和从动轴(4)，所述主动轴(3)和所述从动轴(4)上分别设有研磨组件，所述研磨组件用于对研磨筒体(11)内的物料进行研磨。The grinding cylinder (11) is provided with a drive shaft (3) and a driven shaft (4). The drive shaft (3) and the driven shaft (4) are respectively provided with grinding components. The grinding components are used to grind the material in the grinding cylinder (11). 2.如权利要求1所述的一种双转子砂磨机，其特征在于，所述研磨组件包括主动转子组件(7)和从动转子组件(8)，所述主动转子组件(7)设有多个，并通过隔离套间隔安装于所述主动轴(3)的外壁；2. A dual-rotor sand mill as described in claim 1, characterized in that the grinding assembly includes an active rotor assembly (7) and a driven rotor assembly (8), wherein multiple active rotor assemblies (7) are provided and are installed on the outer wall of the active shaft (3) at intervals by isolation sleeves; 所述从动转子组件(8)设有多个，并通过多个隔离套间隔安装于所述从动轴(4)的外壁；The driven rotor assembly (8) is provided in multiple ways and is installed on the outer wall of the driven shaft (4) at intervals through multiple isolation sleeves; 所述主动转子组件(7)和所述从动转子组件(8)均为研磨刀组件。Both the active rotor assembly (7) and the driven rotor assembly (8) are grinding blade assemblies. 3.如权利要求1所述的一种双转子砂磨机，其特征在于，所述主动轴(3)的其中一端通过轴承架设在研磨筒体(11)的内壁，另一端连接动力源，所述动力源包括电动机(1)和带轮传动组件(2)，所述带轮传动组件(2)用于连接电动机(1)的输出端；3. A dual-rotor sand mill as described in claim 1, characterized in that one end of the drive shaft (3) is mounted on the inner wall of the grinding cylinder (11) by a bearing, and the other end is connected to a power source, the power source including an electric motor (1) and a pulley drive assembly (2), the pulley drive assembly (2) being used to connect to the output end of the electric motor (1); 所述从动轴(4)的一端与齿轮传动组件连接，另一端设有套筒，所述套筒套设在分离组件(12)上，所述分离组件(12)用于将研磨好的物料与正研磨物料进行分离，并将研磨好的物料经所述分离组件(12)连接的出料口(14)进行输出。One end of the driven shaft (4) is connected to the gear transmission assembly, and the other end is provided with a sleeve. The sleeve is fitted on the separation assembly (12). The separation assembly (12) is used to separate the ground material from the material being ground, and to output the ground material through the discharge port (14) connected to the separation assembly (12). 4.如权利要求1所述的一种双转子砂磨机，其特征在于，所述主动轴(3)和从动轴(4)靠近齿轮传动组件的一端分别设有密封件(9)，所述密封件(9)设在研磨筒体(11)的其中一侧端盖上，并用于对所述主动轴(3)、从动轴(4)从研磨筒体(11)中向外延伸的连接间隙进行密封。4. A dual-rotor sand mill as described in claim 1, characterized in that a sealing element (9) is provided at one end of the drive shaft (3) and the driven shaft (4) near the gear transmission assembly, the sealing element (9) is provided on one side end cover of the grinding cylinder (11), and is used to seal the connection gap between the drive shaft (3) and the driven shaft (4) extending outward from the grinding cylinder (11). 5.如权利要求3所述的一种双转子砂磨机，其特征在于，所述齿轮传动组件包括：第一同步齿轮(5)和第二同步齿轮(6)，所述第一同步齿轮(5)连接在主动轴(3)的一端外壁，所述第二同步齿轮(6)连接在从动轴(4)的其中一端；5. A dual-rotor sand mill as described in claim 3, characterized in that the gear transmission assembly includes: a first synchronous gear (5) and a second synchronous gear (6), wherein the first synchronous gear (5) is connected to the outer wall of one end of the drive shaft (3), and the second synchronous gear (6) is connected to one end of the driven shaft (4); 所述第一同步齿轮(5)和第二同步齿轮(6)分别通过齿轮箱(10)架设在所述研磨筒体(11)的一端；所述第一同步齿轮(5)和第二同步齿轮(6)啮合设置。The first synchronous gear (5) and the second synchronous gear (6) are respectively mounted on one end of the grinding cylinder (11) through the gearbox (10); the first synchronous gear (5) and the second synchronous gear (6) are meshed. 6.如权利要求3所述的一种双转子砂磨机，其特征在于，所述带轮传动组件(2)的其中一端连接电动机(1)的输出端，所述带轮传动组件(2)的另一端连接从研磨筒体(11)延伸出来的主动轴(3)；6. A dual-rotor sand mill as described in claim 3, characterized in that one end of the pulley drive assembly (2) is connected to the output end of the motor (1), and the other end of the pulley drive assembly (2) is connected to the drive shaft (3) extending from the grinding cylinder (11); 所述齿轮箱(10)和所述带轮传动组件(2)之间还设有轴承座(15)，所述轴承座(15)用于将所述主动轴(3)进行架设，并用于加强所述主动轴(3)的稳定性。A bearing housing (15) is also provided between the gearbox (10) and the pulley drive assembly (2). The bearing housing (15) is used to support the drive shaft (3) and to enhance the stability of the drive shaft (3). 7.如权利要求1所述的一种双转子砂磨机，其特征在于，所述研磨筒体(11)靠近密封件(9)的一端设有进料口(13)，所述进料口(13)用于对所述研磨筒体(11)内部进行投放需研磨的物料。7. A dual-rotor sand mill as described in claim 1, characterized in that a feed inlet (13) is provided at one end of the grinding cylinder (11) near the sealing member (9), and the feed inlet (13) is used to feed the material to be ground into the grinding cylinder (11). 8.如权利要求3所述的一种双转子砂磨机，其特征在于，所述带轮传动组件(2)包括：第一皮带轮(16)，所述第一皮带轮(16)连接电动机(1)的输出端，第二皮带轮(17)，所述第二皮带轮(17)连接所述主动轴(3)，所述第一皮带轮(16)和所述第二皮带轮(17)通过皮带(18)联动设置；8. A dual-rotor sand mill as described in claim 3, characterized in that the pulley drive assembly (2) includes: a first pulley (16), the first pulley (16) being connected to the output end of the motor (1), a second pulley (17), the second pulley (17) being connected to the drive shaft (3), and the first pulley (16) and the second pulley (17) being linked by a belt (18); 所述电动机(1)架设在所述轴承座(15)的上方或一侧，且所述电动机(1)和所述轴承座(15)之间设有工作间隙。The motor (1) is mounted above or to one side of the bearing housing (15), and there is a working gap between the motor (1) and the bearing housing (15). 9.如权利要求1所述的一种双转子砂磨机，其特征在于，所述主动转子组件(7)与所述从动转子组件(8)交错设置在所述研磨筒体(11)内部。9. A dual-rotor sand mill as described in claim 1, characterized in that the active rotor assembly (7) and the driven rotor assembly (8) are alternately arranged inside the grinding cylinder (11). 10.如权利要求1所述的一种双转子砂磨机，其特征在于，所述电动机(1)上还装有若干个温度传感器，用于在所述电动机(1)转动时进行温度监控，并且在温度变化过大或温度变化过快时控制减小电动机(1)的转速，并且在温度超过预设数值后控制切断所述电动机(1)的电源，起到智能保护作用，其具体步骤包括，10. A dual-rotor sand mill as described in claim 1, characterized in that the motor (1) is further equipped with several temperature sensors for monitoring the temperature when the motor (1) rotates, and controlling the reduction of the speed of the motor (1) when the temperature change is too large or too fast, and controlling the cut-off of the power supply to the motor (1) after the temperature exceeds a preset value, thereby playing an intelligent protection role, the specific steps of which include, 步骤A1：利用公式(1)根据所述电动机(1)上若干个温度传感器采集到的数值得到所述电动机(1)上最高温度的平均变化量以及平均变化率：Step A1: Using formula (1), obtain the average change and average rate of change of the highest temperature on the motor (1) based on the values collected by several temperature sensors on the motor (1): 其中，表示当前时刻所述电动机(1)上最高温度的平均变化量；表示当前时刻所述电动机(1)上最高温度的平均变化率；t表示当前时刻；K表示当前时刻所述电动机(1)上的任意一个温度传感器历史采集到的所有数值的总个数(所述电动机(1)上的所有温度传感器均为同时同步同频率采集)；Q(k_a)表示所述电动机(1)上的第a个温度传感器历史采集到的第k个温度值；Q[(k-1)_a]表示所述电动机(1)上的第a个温度传感器历史采集到的第k-1个温度值；n表示所述电动机(1)上的温度传感器总个数；T表示所述任意一个温度传感器的温度采集周期；均表示将a的值从1取值到n代入到括号内得到括号内的最大值；in, This represents the average change in the highest temperature on the motor (1) at the current moment; t represents the average rate of change of the highest temperature on the motor (1) at the current moment; K represents the current moment; Q represents the total number of all values historically collected by any temperature sensor on the motor (1) at the current moment (all temperature sensors on the motor (1) collect data simultaneously and at the same frequency); Q(k_a) represents the k-th temperature value historically collected by the a-th temperature sensor on the motor (1); Q[(k-1)_a] represents the (k-1)-th temperature value historically collected by the a-th temperature sensor on the motor (1); n represents the total number of temperature sensors on the motor (1); T represents the temperature collection period of any temperature sensor. Both mean substituting the values of a from 1 to n into the parentheses to obtain the maximum value within the parentheses; 步骤A2：利用公式(2)根据所述电动机(1)的平均变化量以及平均变化率控制电动机(1)的转速：Step A2: Using formula (2), control the speed of motor (1) according to the average change and average rate of change of motor (1): 其中v(t)表示当前时刻所述电动机(1)的控制转速值；Vm表示所述电动机(1)的可控最大转速值；Δq表示预设的温度变化量阈值；Δb表示预设的温度变化率阈值；Z[ ]表示正数保持函数，若括号内的数值为正数则函数值为括号内的数值，若括号内的数值为0或负数则函数值为0；Where v(t) represents the control speed value of the motor (1) at the current moment; Vm represents the controllable maximum speed value of the motor (1); Δq represents the preset temperature change threshold; Δb represents the preset temperature change rate threshold; Z[ ] represents the positive number holding function. If the value in the parentheses is positive, the function value is the value in the parentheses. If the value in the parentheses is 0 or negative, the function value is 0. 根据v(t)的数值实时控制所述电动机(1)的转速；The speed of the motor (1) is controlled in real time according to the value of v(t); 步骤A3：利用公式(3)根据所述电动机(1)上若干个温度传感器采集到的数值控制所述电动机(1)的电源通断：Step A3: Using formula (3), control the power supply of the motor (1) based on the values collected by several temperature sensors on the motor (1): 其中E(t)表示当前时刻所述电动机(1)的电源通断控制值；Q(K_a)表示所述电动机(1)上的第a个温度传感器距离当前时刻最近一次采集到的温度值；Q0表示预设温度阈值；F[]表示判断函数，若括号内的算式成立则函数值为1，若括号内的算式不成立则函数值为0；Where E(t) represents the power on/off control value of the motor (1) at the current moment; Q(K_a) represents the temperature value most recently collected by the a-th temperature sensor on the motor (1) at the current moment; Q0 represents the preset temperature threshold; F[] represents the judgment function, the function value is 1 if the formula in the parentheses is true, and the function value is 0 if the formula in the parentheses is false. 若E(t)＝1，则在当前时刻立即控制切断所述电动机(1)的电源，并且需要人工手动复位才可继续通电；If E(t) = 1, the power supply to the motor (1) will be cut off immediately at the current moment, and manual reset is required before power can be restored. 若E(t)＝0，则继续保持所述电动机(1)的电源通电状态。If E(t) = 0, then the power supply of the motor (1) will continue to be on.
CN202310282558.2A 2023-03-22 2023-03-22 Double-rotor sand mill Pending CN116510853A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102135453A (en) * 2010-12-10 2011-07-27 奇瑞汽车股份有限公司 Method and system for monitoring motor temperature as well as method and system for controlling motor power
CN202497902U (en) * 2012-04-06 2012-10-24 山东青州微粉有限公司 Double-spindle sand mill
CN204638288U (en) * 2015-03-03 2015-09-16 德国派勒精研磨技术有限公司 Horizontal sand mill
WO2017000757A1 (en) * 2015-06-29 2017-01-05 广东派勒智能纳米科技股份有限公司 Advanced ball mill having dual separation system
CN107615645A (en) * 2016-05-11 2018-01-19 三菱电机株式会社 Control device of electric motor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102135453A (en) * 2010-12-10 2011-07-27 奇瑞汽车股份有限公司 Method and system for monitoring motor temperature as well as method and system for controlling motor power
CN202497902U (en) * 2012-04-06 2012-10-24 山东青州微粉有限公司 Double-spindle sand mill
CN204638288U (en) * 2015-03-03 2015-09-16 德国派勒精研磨技术有限公司 Horizontal sand mill
WO2017000757A1 (en) * 2015-06-29 2017-01-05 广东派勒智能纳米科技股份有限公司 Advanced ball mill having dual separation system
CN107615645A (en) * 2016-05-11 2018-01-19 三菱电机株式会社 Control device of electric motor

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