CN115194563B - Magnetic fluid polishing control system and method for inner wall of capillary tube - Google Patents
Magnetic fluid polishing control system and method for inner wall of capillary tube Download PDFInfo
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- CN115194563B CN115194563B CN202210736223.9A CN202210736223A CN115194563B CN 115194563 B CN115194563 B CN 115194563B CN 202210736223 A CN202210736223 A CN 202210736223A CN 115194563 B CN115194563 B CN 115194563B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
- B24B1/005—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes using a magnetic polishing agent
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
- B24B31/10—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving other means for tumbling of work
- B24B31/112—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving other means for tumbling of work using magnetically consolidated grinding powder, moved relatively to the workpiece under the influence of pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
- B24B31/12—Accessories; Protective equipment or safety devices; Installations for exhaustion of dust or for sound absorption specially adapted for machines covered by group B24B31/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
Abstract
The invention provides a polishing control system and a polishing control method for magnetic fluid on the inner wall of a capillary tube, wherein the polishing control system for the magnetic fluid on the inner wall of the capillary tube comprises a magnetic fluid polishing structure, a liquid supply assembly, a plurality of magnetic fluid polishing branches and a plurality of magnetic field assemblies, wherein the magnetic fluid polishing branches are connected with the liquid supply assembly, and the magnetic field assemblies are arranged at the magnetic fluid polishing branches in a one-to-one correspondence manner; the control module is electrically connected with the magnetic fluid polishing structure; one end of the detection structure is connected with the magnetic fluid polishing structure, and the other end of the detection structure is electrically connected with the control module; the remote control end is in communication connection with the control module. The polishing device has the advantages that the polishing of the magnetic fluid is realized on a plurality of capillaries simultaneously, the polishing device is suitable for capillaries made of all materials, the polishing of the inner walls of capillaries made of various materials is considered, various data in the polishing process can be detected, and the polishing process of the inner walls of the capillaries is realized by displaying and re-allocating a control module or a remote control end, so that the polishing data are obtained, and the polishing quality is improved.
Description
Technical Field
The invention relates to the technical field of capillary tube processing, in particular to a polishing control system and method for magnetic fluid on the inner wall of a capillary tube.
Background
The tubule is widely used in detection equipment such as chromatographic analysis in the fields of military industry, aerospace, chemical industry and the like, high-precision medical instruments such as puncture needles, sampling needles and the like, and the inner diameter of the tubule is smaller than 1mm compared with the common tubule, and the tubule is comprehensively called a capillary in the market; the capillary tube may be a metal tube made of stainless steel, titanium alloy, nickel alloy, or a non-metal material such as ceramic or glass. The performance requirements of capillaries in different application fields are different, but the inner wall of the capillary is required to have high smoothness in most fields; however, in the existing capillary production process, the inner wall is wrinkled and has an oxide layer, so that the inner wall of the capillary is uneven, the inner wall has poorer smoothness, the replacement rate of the capillary is high, the economic cost is high, the analysis and test results are unstable, and the precision is low.
Because the inner diameter of the capillary tube is smaller and the length is longer, the conventional mechanical polishing method at home and abroad cannot be performed in such a small space at present, the conventional polishing method for the capillary tube is electrolysis and chemical polishing, the polishing quality level Ra is 0.25-0.8um, but the use requirement of industrial automation equipment cannot be met, and the structure of the inner wall of the capillary tube is damaged; meanwhile, the non-metal capillary tube cannot be electropolished, but the chemical polishing also picks up the material, and most of the capillaries can only be polished; that is, when the inner wall of the existing capillary tube is polished, only capillaries made of specific materials, such as polished metal capillaries, are basically polished, the traditional processing efficiency is low, each polishing process can be used for polishing by a single tube, the quality of polishing precision processing cannot be controlled, and processing data cannot be referred to.
Accordingly, the prior art has drawbacks and disadvantages, and needs to be further improved and developed.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide a magnetic fluid polishing control system and method for the inner wall of a capillary tube, and aims to solve the problems that polishing of the inner wall of the capillary tube in the prior art cannot be achieved by considering different materials, and the efficiency is low and polishing quality and data are unknown.
The technical scheme adopted for solving the technical problems is as follows: a capillary inner wall magnetic fluid polishing control system, comprising:
the magnetic fluid polishing structure comprises a liquid supply assembly, a plurality of magnetic fluid polishing branches and a plurality of magnetic field assemblies, wherein the magnetic fluid polishing branches are connected with the liquid supply assembly, and the magnetic field assemblies are arranged at the magnetic fluid polishing branches in a one-to-one correspondence manner;
the control module is electrically connected with the magnetic fluid polishing structure;
one end of the detection structure is connected with the magnetic fluid polishing structure, and the other end of the detection structure is electrically connected with the control module;
the remote control end is in communication connection with the control module.
Through the embodiment, the polishing of the magnetic fluid of the plurality of capillaries can be realized, the polishing device is suitable for capillaries made of all materials, the polishing of the inner walls of capillaries made of various materials is considered, various data in the polishing process can be detected, the polishing process of the inner walls of the capillaries is realized by displaying and re-allocating the data through the control module or the remote control end, the polishing data are obtained, and the polishing quality is improved.
Optionally, the control module includes:
the controller is electrically connected with the detection structure, the magnetic fluid polishing structure and the remote control end;
the display screen is connected with the controller;
and the control button is connected with the controller.
By the embodiment, the real-time data of the polishing process of the inner wall of the capillary tube can be obtained, the real-time data is displayed and transmitted to the remote control end, and the running state of the magnetic fluid polishing structure is adjusted in real time according to the obtained real-time data.
Optionally, the controller includes: PLC, DSP, MCU or CPU.
Through the embodiment, the control of the polishing process of the inner wall of the capillary tube is realized with low cost and stability, the polishing data are obtained, and the polishing quality is improved.
Optionally, the liquid supply assembly comprises a return pipe, a liquid storage container, a first liquid supply pipe, a power pump, a second liquid supply pipe and a transfer pipe which are sequentially connected; the liquid storage container is provided with a particle density adjusting part, the particle density adjusting part and the power pump are electrically connected with the controller, and the switching tube is provided with a plurality of switching ports.
Through the embodiment, the magnetic fluid polishing liquid is supplied to a plurality of magnetic fluid polishing branches, and the polishing efficiency of the inner wall of the capillary tube is effectively improved.
Optionally, the detecting structure includes:
the liquid level detector is arranged on the liquid storage container and is electrically connected with the controller;
the temperature sensor is arranged on the power pump and is electrically connected with the controller;
the pressure sensor is arranged on the second liquid supply pipe and is electrically connected with the controller.
Through the embodiment, the liquid level height in the liquid storage container is obtained in real time, the magnetic fluid polishing branch is guaranteed to have sufficient magnetic fluid polishing liquid flow, and the polishing efficiency and quality of the inner wall of the capillary tube are guaranteed; the real-time detection of the running state of the power pump is realized, the overheat damage of the power pump is prevented, and the running life of the power pump is ensured; and the supply pressure of the second liquid supply pipe is obtained in real time, so that the magnetic fluid polishing branch is guaranteed to have sufficient magnetic fluid polishing liquid flow, and the polishing efficiency and quality of the inner wall of the capillary tube are guaranteed.
Optionally, the magnetic fluid polishing branch road includes the working tube and the external connection pipe that connect gradually, the working tube sets up to wait to polish the capillary, the one end of working tube deviates from the one end of external connection pipe with the switching mouth is connected, the external connection pipe deviates from the one end of working tube with the back flow connection.
Through the embodiment, each magnetic fluid polishing branch can polish the inner wall of the capillary tube, and simultaneously, the method provides guarantee for recycling the magnetic fluid polishing solution and reduces the polishing cost of the inner wall of the capillary tube.
Optionally, the detection structure further includes a flow sensor and a particle density sensor both disposed on the extension tube, and the flow sensor and the particle density sensor are both electrically connected to the controller.
Through the embodiment, the real-time detection of the polishing process of the inner wall of the capillary tube in each magnetic fluid polishing branch is realized, the magnetic fluid flow and the particle density can be effectively obtained, the magnetic fluid polishing branch is ensured to have sufficient magnetic fluid polishing liquid flow, the particle density in the magnetic fluid is ensured to be in a proper range, and the polishing efficiency and the polishing quality of the inner wall of the capillary tube are ensured.
Optionally, the control module further includes:
the wireless transmission module is in communication connection with the controller;
the Internet cloud is in communication connection with the wireless transmission module;
the magnetic driving control piece is connected between the controller and the magnetic field assembly, and the magnetic field assembly is arranged as a permanent magnet or an electromagnet;
the remote control end is in communication connection with the wireless transmission module or the Internet cloud.
Through the embodiment, the data in the polishing process of the inner wall of the capillary tube is obtained remotely, and the polishing process of the inner wall of the capillary tube is controlled remotely and conveniently; meanwhile, the magnetic field intensity generated by the magnetic field assembly is controlled, so that when magnetic particles in the magnetic fluid move along the axial direction of the capillary, the magnitude of friction force between the magnetic particles and the inner wall of the capillary along the radial direction is controlled, and the polishing process of the inner wall of the capillary is further controlled.
Optionally, the magnetic fluid polishing control system for the inner wall of the capillary tube further comprises: the power supply is electrically connected with the control module and the detection structure; the detection structure further comprises a power supply detection circuit, and the power supply detection circuit is connected between the power supply and the control module.
Through the embodiment, the power supply regulation and control of each functional component of the magnetic fluid polishing control system on the inner wall of the capillary tube is realized, and the polishing process of the inner wall of the capillary tube is further controlled.
The invention solves the technical problem by adopting another technical scheme as follows: the polishing control method of the magnetic fluid on the inner wall of the capillary is realized based on the polishing control system of the magnetic fluid on the inner wall of the capillary; the polishing control method for the magnetic fluid on the inner wall of the capillary comprises the following steps:
the control module controls the liquid supply assembly, the magnetic field assembly and the detection structure to start to operate, or the remote control end controls the liquid supply assembly, the magnetic field assembly and the detection structure to start to operate through the control module;
the liquid supply assembly supplies magnetic fluid polishing liquid to a plurality of magnetic fluid polishing branches, the detection structure synchronously detects liquid level height data, magnetic fluid particle density data and temperature data of the liquid supply assembly, magnetic field intensity data of the magnetic field assembly, flow data and post-polishing particle density data of the magnetic fluid polishing branches, and transmits the liquid level height data, the magnetic fluid particle density data, the temperature data, the magnetic field intensity data, the flow data and the post-polishing particle density data to the control module;
the control module receives and displays the liquid level height data, the magnetic fluid particle density data, the temperature data, the magnetic field intensity data, the flow data and the polished particle density data, transmits the liquid level height data, the magnetic fluid particle density data, the magnetic field intensity data, the flow data and the polished particle density data to the remote control end, and adjusts the running state of the liquid supply assembly.
Through the embodiment, the magnetic fluid polishing of a plurality of capillaries can be realized, the magnetic fluid polishing device is suitable for capillaries made of all materials, the high-efficiency inner wall polishing of capillaries made of various materials is considered, various data in the polishing process can be detected, the control module or a remote control end displays and automatically reformulates the data, the controllability of the inner wall polishing process of the capillaries is realized, the polishing data are obtained, and the polishing quality is improved.
The beneficial effects are that:
the invention provides a polishing control system and a method for magnetic fluid on the inner wall of a capillary tube, wherein the polishing control system for the magnetic fluid on the inner wall of the capillary tube comprises the following components: the magnetic fluid polishing structure comprises a liquid supply assembly, a plurality of magnetic fluid polishing branches and a plurality of magnetic field assemblies, wherein the magnetic fluid polishing branches are connected with the liquid supply assembly, and the magnetic field assemblies are arranged at the magnetic fluid polishing branches in a one-to-one correspondence manner; the control module is electrically connected with the magnetic fluid polishing structure; one end of the detection structure is connected with the magnetic fluid polishing structure, and the other end of the detection structure is electrically connected with the control module; the remote control end is in communication connection with the control module. It can be understood that the magnetic fluid polishing structure is provided with a plurality of magnetic fluid polishing branches and a plurality of magnetic field assemblies, so that branches can be used for simultaneously polishing the inner walls of different capillaries, the polishing efficiency of the inner walls of the capillaries is effectively improved, and the inner walls of the capillaries are polished in a mechanical friction mode, so that the capillaries with different materials can be polished simultaneously; through setting up detection structure, and then realize the real-time detection to multiple data in the capillary inner wall polishing process, through setting up control module and remote control end, realize showing the data that obtains detecting to regulate and control the running state of magnetic fluid polishing structure realizes that capillary inner wall polishing process is convenient controllable, knows polishing data, promotes polishing quality.
Drawings
FIG. 1 is a functional schematic block diagram of a capillary inner wall magnetic fluid polishing control system provided in the present invention;
FIG. 2 is a functional schematic block diagram of a magnetic fluid polishing structure of the capillary inner wall magnetic fluid polishing control system provided in the present invention;
FIG. 3 is a functional schematic block diagram of a control module of the capillary inner wall magnetic fluid polishing control system provided in the present invention;
FIG. 4 is a functional schematic block diagram of a detection structure of a capillary inner wall magnetic fluid polishing control system provided in the present invention;
FIG. 5 is a schematic block diagram of a method for controlling the polishing of a magnetic fluid on the inner wall of a capillary tube according to the present invention;
reference numerals illustrate:
10. a magnetic fluid polishing control system on the inner wall of the capillary tube; 11. a magnetic fluid polishing structure; 12. a control module; 13. a detection structure; 14. a remote control end; 15. a power supply; 111. a liquid supply assembly; 112. a magnetic fluid polishing branch; 113. a magnetic field assembly; 121. a controller; 122. a display screen; 123. a control button; 124. a wireless transmission module; 125. an Internet cloud; 126. a magnetic drive control; 1111. a return pipe; 1112. a liquid storage container; 1113. a first liquid supply pipe; 1114. a power pump; 1115. a second liquid supply pipe; 1116. a transfer tube; 1117. a particle density adjuster; 1118. a transfer port; 1121. working tube; 1122. an outer connecting pipe; 131. a liquid level detector; 132. a temperature sensor; 133. a pressure sensor; 134. a flow sensor; 135. a particle density sensor; 136. a power supply detection circuit.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear and clear, the present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The tubule is widely used in detection equipment such as chromatographic analysis in the fields of military industry, aerospace, chemical industry and the like, high-precision medical instruments such as puncture needles, sampling needles and the like, and the inner diameter of the tubule is smaller than 1mm compared with the common tubule, and the tubule is comprehensively called a capillary in the market; the capillary tube may be a metal tube made of stainless steel, titanium alloy, nickel alloy, or a non-metal material such as ceramic or glass. The performance requirements of capillaries in different application fields are different, but the inner wall of the capillary is required to have high smoothness in most fields; however, in the existing capillary production process, the inner wall is wrinkled and has an oxide layer, so that the inner wall of the capillary is uneven, the inner wall has poorer smoothness, the replacement rate of the capillary is high, the economic cost is high, the analysis and test results are unstable, and the precision is low. Because the inner diameter of the capillary tube is smaller and the length is longer, the conventional mechanical polishing method at home and abroad cannot be performed in such a small space at present, the conventional polishing method for the capillary tube is electrolysis and chemical polishing, the polishing quality level Ra is 0.25-0.8um, but the use requirement of industrial automation equipment cannot be met, and the structure of the inner wall of the capillary tube is damaged; meanwhile, the non-metal capillary tube cannot be electropolished, but the chemical polishing also picks up the material, and most of the capillaries can only be polished; that is, when the inner wall of the existing capillary tube is polished, only capillaries made of specific materials, such as polished metal capillaries, are basically polished, the traditional processing efficiency is low, each polishing process can be used for polishing by a single tube, the quality of polishing precision processing cannot be controlled, and processing data cannot be referred to. The invention provides a system and a method for controlling the polishing of the inner wall of a capillary tube based on the problems that the polishing of the inner wall of the capillary tube in the prior art cannot be realized by different materials, the efficiency is low and the polishing quality and data are unknown; by arranging the detection structure, the real-time detection of various data in the polishing process of the inner wall of the capillary tube is further realized, the display of the data obtained by detection is realized by arranging the control module and the remote control end, the running state of the magnetic fluid polishing structure is regulated and controlled, the polishing process of the inner wall of the capillary tube is realized, the polishing data is obtained, and the polishing quality is improved; please refer to the following examples for details.
Referring to fig. 1 and 2 in combination, a first embodiment of the present invention provides a capillary inner wall magnetic fluid polishing control system 10, comprising: the magnetic fluid polishing structure 11, the control module 12, the detection structure 13 and the remote control end 14; the magnetic fluid polishing structure 11 comprises a liquid supply assembly 111, a plurality of magnetic fluid polishing branches 112 and a plurality of magnetic field assemblies 113, wherein the magnetic fluid polishing branches 112 are connected with the liquid supply assembly 111, and the magnetic field assemblies 113 are arranged at the magnetic fluid polishing branches 112 in a one-to-one correspondence manner; the control module 12 is electrically connected with the magnetic fluid polishing structure 11; one end of the detection structure 13 is connected with the magnetic fluid polishing structure 11, and the other end of the detection structure is electrically connected with the control module 12; the remote control terminal 14 is communicatively coupled to the control module 12.
When the magnetic fluid polishing control system 10 on the inner wall of the capillary tube operates, the control module 12 controls the liquid supply assembly 111, the magnetic field assembly 113 and the detection structure 13 to start to operate; or, the remote control end 14 controls the liquid supply assembly 111, the magnetic field assembly 113 and the detection structure 13 to start to operate through the control module 12; the liquid supply assembly 111 supplies magnetic fluid polishing liquid (including but not limited to MP21-01 magnetic fluid polishing liquid) to a plurality of magnetic fluid polishing branches 112, the detection structure 13 synchronously detects liquid level height data, magnetic fluid particle density data and temperature data of the liquid supply assembly 111, magnetic field strength data of the magnetic field assembly 113, and synchronously detects flow data and post-polishing particle density data of the magnetic fluid polishing branches 112, and transmits the liquid level height data, the magnetic fluid particle density data, the temperature data, the magnetic field strength data, the flow data and the post-polishing particle density data to the control module 12; the control module 12 receives and displays the liquid level height data, the magnetic fluid particle density data, the temperature data, the magnetic field intensity data, the flow data and the polished particle density data, and transmits the data to the remote control end 14, and adjusts the operation state of the liquid supply assembly 111.
It can be understood that the magnetic fluid polishing solution contains magnetic particles, by applying a magnetic field outside the magnetic fluid polishing branch 112 and controlling the magnetic field direction at the magnetic fluid polishing branch 112, when the inner wall of the capillary is polished, the magnetic fluid polishing solution is radial or close to radial, so that when the magnetic fluid polishing solution flows through the capillary, the magnetic force is affected to rub against the inner wall of the capillary, and then the inner wall of the capillary is mechanically rubbed and polished, and further the inner wall processing of capillaries with different materials can be considered. The magnetic fluid polishing structure 11 is provided with the magnetic fluid polishing branches 112 and the magnetic field assemblies 113, so that the branches can polish the inner walls of different capillaries simultaneously, the polishing efficiency of the inner walls of the capillaries is effectively improved, the inner walls of the capillaries are polished by adopting magnetic fluid polishing, and the inner walls of the capillaries are polished by adopting a mechanical friction mode, so that the capillaries with different materials can be polished simultaneously; through setting up detection structure 13, and then realize the real-time detection to the multiple data of capillary inner wall polishing in-process, through setting up control module 12 and remote control end 14, realize showing the data that obtains detecting to regulate and control the running state of magnetic fluid polishing structure 11, realize that capillary inner wall polishing process is convenient controllable, learn polishing data, promote polishing quality.
Referring to fig. 1 and 3 in combination, in other embodiments, the control module 12 includes: a controller 121, a display 122, and control buttons 123; the controller 121 is electrically connected with the detection structure 13, the magnetic fluid polishing structure 11 and the remote control end 14; the display screen 122 is connected with the controller 121; the control button 123 is connected to the controller 121.
It will be appreciated that the controller 121 is configured to process various data obtained by the detection structure 13 and display the data on the display screen 122; meanwhile, a user can actively control the polishing process of the inner wall of the capillary through the control button 123; optionally, the display screen 122 may also be configured as a touch screen, through which a user further conveniently controls the polishing process of the inner wall of the capillary tube; specifically, the controller 121 includes: PLC, DSP, MCU or CPU; finally, the real-time data of the polishing process of the inner wall of the capillary tube can be obtained, the real-time data are displayed and transmitted to the remote control end 14, and the running state of the magnetic fluid polishing structure 11 is adjusted in real time according to the obtained real-time data; the polishing device has the advantages of realizing low cost, stably controlling the polishing process of the inner wall of the capillary tube, acquiring polishing data and improving polishing quality. Namely, the control module 12 includes a display 122 and a control key operation interface, and the control key operation interface is provided with a plurality of control key operation buttons.
Referring to fig. 1 and 2, in other embodiments, the fluid supply assembly 111 includes a return tube 1111, a fluid reservoir 1112, a first fluid supply tube 1113, a power pump 1114, a second fluid supply tube 1115, and a transfer tube 1116 connected in sequence; the liquid storage container 1112 is provided with a particle density adjusting member 1117, the particle density adjusting member 1117 and the power pump 1114 are electrically connected with the controller 121, and the adaptor tube 1116 is provided with a plurality of adaptor ports 1118.
It can be appreciated that the magnetic fluid polishing solution is stored in the liquid storage container 1112, and the particle density adjusting member 1117 is disposed on the liquid storage container 1112, so as to ensure that the magnetic fluid polishing solution has a suitable particle density; during polishing, a polishing loop of a plurality of capillary inner walls is formed among the reflux pipe 1111, the liquid storage container 1112, the first liquid supply pipe 1113, the power pump 1114, the second liquid supply pipe 1115, the transfer pipe 1116 and the plurality of magnetic fluid polishing branches 112, so that the polishing processing efficiency of the capillary inner walls is effectively improved.
Referring to fig. 1 and 4 in combination, in other embodiments, the detecting structure 13 includes: a liquid level detector 131, a temperature sensor 132, and a pressure sensor 133; the liquid level detector 131 is disposed on the liquid storage container 1112 and is electrically connected to the controller 121; the temperature sensor 132 is disposed on the power pump 1114 and is electrically connected to the controller 121; the pressure sensor 133 is disposed on the second liquid supply pipe 1115 and is electrically connected to the controller 121.
It can be understood that by arranging the liquid level detector 131 on the liquid storage container 1112, the liquid level height in the liquid storage container 1112 is obtained in real time, so that the magnetic fluid polishing branch 112 is ensured to have sufficient magnetic fluid polishing liquid flow, and the polishing efficiency and quality of the inner wall of the capillary tube are ensured; by arranging the temperature sensor 132 on the power pump 1114, the operation temperature of the power pump 1114 can be obtained, so that the power pump 1114 is prevented from being damaged due to overheat during long-time operation, the real-time detection of the operation state of the power pump 1114 is realized, the operation life of the power pump 1114 is ensured, and the operation power of the power pump 1114 is controlled by the controller 121 in real time; by arranging the pressure sensor 133, the supply pressure of the second supply pipe 1115 can be obtained in real time, so that the magnetic fluid polishing branch 112 is guaranteed to have sufficient magnetic fluid polishing liquid flow, and the running power of the power pump 1114 is regulated by the controller 121, so that the polishing efficiency and quality of the inner wall of the capillary tube are guaranteed. Specifically, the controller 121 is configured as a PLC, the PLC is connected to a liquid level detecting member, the liquid level detecting member is mounted on the liquid storage container 1112, so as to realize a liquid level detecting function of the magnetic fluid polishing liquid in the liquid storage container 1112 during the whole machine working, the detecting structure uses the PLC to control the display screen 122 to display the liquid level state of the magnetic fluid polishing liquid during the current working, and controls an alarm and a near-remote notification (notifying the remote control end 14) when abnormality occurs; the pressure sensor is connected with the pressure sensor interface of the controller.
Referring to fig. 1 and 2, in other embodiments, the magnetic fluid polishing branch 112 includes a working tube 1121 and an external tube 1122 connected in sequence, the working tube 1121 is configured as a capillary to be polished, one end of the working tube 1121 facing away from the external tube 1122 is connected to the adapter 1118, and one end of the external tube 1122 facing away from the working tube 1121 is connected to the return tube 1111.
It can be appreciated that the fluid supply assembly 111, under the action of the power pump 1114, sequentially passes the magnetic fluid polishing fluid in the fluid reservoir 1112 through the first fluid supply tube 1113, the power pump 1114, the second fluid supply tube 1115 and the transfer tube 1116, and then passes through the transfer port 1118 of the transfer tube 1116 to enter any magnetic fluid polishing branch 112; specifically, the transfer tube 1116 may be provided with a plurality of transfer ports 1118 according to actual requirements, and the magnetic fluid polishing solution directly enters the working tube 1121 after passing through the transfer ports 1118 of the transfer tube 1116, i.e. one end of the capillary tube to be polished is directly connected to the transfer ports 1118, and the other end of the capillary tube to be polished is directly connected to the external tube 1122; that is, the pipeline portion of the magnetic fluid polishing branch 112 is actually composed of a capillary to be polished and an external pipe 1122, and the magnetic field assembly 113 is disposed at the periphery of the working pipe 1121, so that the magnetic fluid polishing liquid polishes the inner wall of the capillary under the action of the external magnetic field; finally, each magnetic fluid polishing branch 112 can polish the inner wall of the capillary tube with magnetic fluid, and simultaneously, the method provides guarantee for recycling the magnetic fluid polishing solution, and reduces the cost of polishing the inner wall of the capillary tube. Specifically, the adaptor openings 1118 of the adaptor tube 1116 may be set according to the production task requirements, and each adaptor opening 1118 corresponds to one magnetic fluid polishing branch 112; the operation power and the flow of the power pump 1114 may be adjusted synchronously, for example, the transfer tube 1116 may be provided with a tee (two transfer ports 1118), a five-way tube (four transfer ports 1118), etc.
Referring to fig. 1 and 4, in other embodiments, the detecting structure 13 further includes a flow sensor 134 and a particle density sensor 135 both disposed on the outer tube 1122, and the flow sensor 134 and the particle density sensor 135 are electrically connected to the controller 121.
It can be understood that, when the inner wall of the capillary is polished by the magnetic fluid polishing liquid, the particle density in the magnetic fluid polishing liquid is directly related to the polishing quality level Ra of the polished inner wall of the capillary; meanwhile, the flow rate of the magnetic fluid polishing solution passing through the capillary is directly related to the polishing quality level Ra of the polished inner wall of the capillary; therefore, the real-time detection of the polishing process of the inner wall of the capillary tube in each magnetic fluid polishing branch 112 is realized, the magnetic fluid flow and the particle density can be effectively obtained, the magnetic fluid polishing branch 112 is ensured to have sufficient magnetic fluid polishing liquid flow, the particle density in the magnetic fluid is ensured to be in a proper range, and the polishing efficiency and the polishing quality of the inner wall of the capillary tube are ensured; specifically, the flow sensor is connected with the controller through a flow sensor interface, and the particle density sensor is connected with the controller through a particle density detection circuit.
Referring to fig. 1 and 3, in other embodiments, the control module 12 further includes: the wireless transmission module 124, the internet cloud 125 and the magnetic drive control 126; the wireless transmission module 124 is in communication connection with the controller 121; the internet cloud 125 is in communication connection with the wireless transmission module 124; the magnetic force driving control member 126 is connected between the controller 121 and the magnetic field assembly 113, and the magnetic field assembly 113 is configured as a permanent magnet or an electromagnet; the remote control end is in communication connection with the wireless transmission module 124 or the internet cloud 125.
It can be appreciated that, through the wireless transmission module 124, for example, a WiFi module, an approach communication module, etc., the detection data obtained by the controller 121 may be further transmitted to the internet cloud 125 or the remote control end 14; the internet cloud 125 is further connected with a remote control end, such as a mobile phone APP or a remote computer operation interface through an internet technology, so that the remote control end displays detection data and controls the polishing process of the inner wall of the capillary; by providing a magnetic drive control 126, the controller 121 can control the magnetic field strength of the magnetic field assembly 113, thereby controlling the polishing process of the inner wall of the capillary tube; finally, the data in the polishing process of the inner wall of the capillary tube is obtained remotely, and the polishing process of the inner wall of the capillary tube is controlled remotely and conveniently; meanwhile, the magnetic field intensity generated by the magnetic field assembly 113 is controlled, so that when magnetic particles in the magnetic fluid move along the axial direction of the capillary, the magnitude of friction force between the magnetic particles and the inner wall of the capillary along the radial direction is controlled, and the polishing process of the inner wall of the capillary is further controlled. Specifically, the controller 121 is configured as a PLC, and the PLC is connected to the magnetic field assembly 113 of each magnetic fluid polishing branch 112, specifically, is controlled by the magnetic force driving control member 126, and then is connected to the magnetic force driving control member 126, so as to implement precise control of the magnetic field track and intensity of the magnetic force driving control member 126.
Referring to fig. 1 and 3, in other embodiments, the capillary inner wall magnetic fluid polishing control system 10 further comprises: the power supply 15 is electrically connected with the control module 12 and the detection structure 13; the detecting structure 13 further includes a power detecting circuit 136, and the power detecting circuit 136 is connected between the power supply 15 and the control module 12.
It can be understood that the power supply 15 supplies power to the control module 12, the detection structure 13 and the magnetic fluid polishing structure 11, and the power detection circuit 136 is provided, so that the controller 121 can acquire the current power state in real time and display the current power state by the display screen 122 or the remote control end 14, thereby providing a guarantee for controlling an alarm or a near-remote notification when the controller 121 finds that the power supply 15 is abnormal; the power supply regulation and control of all functional components of the magnetic fluid polishing control system 10 on the inner wall of the capillary tube are also realized, and the polishing process of the inner wall of the capillary tube is further controlled.
Referring to fig. 5, in a second embodiment of the present invention, a polishing control method for a magnetic fluid on an inner wall of a capillary is further provided, where the polishing control method for a magnetic fluid on an inner wall of a capillary is implemented based on the polishing control system for a magnetic fluid on an inner wall of a capillary according to the first embodiment of the present invention; specifically, the method for controlling the polishing of the magnetic fluid on the inner wall of the capillary comprises the following steps:
step S100, the control module controls the liquid supply assembly, the magnetic field assembly and the detection structure to start to operate; or the remote control end controls the liquid supply assembly, the magnetic field assembly and the detection structure to start to operate through the control module;
step 200, the fluid supply assembly supplies magnetic fluid polishing fluid to the magnetic fluid polishing branch, the detection structure synchronously detects liquid level height data, magnetic fluid particle density data and temperature data of the fluid supply assembly, magnetic field intensity data of the magnetic field assembly, and synchronously detects flow data and post-polishing particle density data of the magnetic fluid polishing branch, and transmits the liquid level height data, the magnetic fluid particle density data, the temperature data, the magnetic field intensity data, the flow data and the post-polishing particle density data to the control module;
and step S300, the control module receives and displays the liquid level height data, the magnetic fluid particle density data, the temperature data, the magnetic field intensity data, the flow data and the polished particle density data, transmits the liquid level height data, the magnetic fluid particle density data, the temperature data, the magnetic field intensity data and the flow data to the remote control end, and adjusts the running state of the liquid supply assembly.
It can be understood that the polishing control method for the magnetic fluid on the inner wall of the capillary tube provided in the present embodiment is implemented based on the polishing control system for the magnetic fluid on the inner wall of the capillary tube according to the first embodiment of the present invention; the polishing device can realize simultaneous magnetic fluid polishing of a plurality of capillaries, is suitable for capillaries made of all materials, gives consideration to high-efficiency inner wall polishing of capillaries made of various materials, can detect various data in the polishing process, and is displayed and automatically re-allocated by a control module or a remote control end, so that the inner wall polishing process of the capillaries is controllable, polishing data are obtained, and the polishing quality is improved.
In summary, the present invention provides a polishing control system and method for magnetic fluid on an inner wall of a capillary tube, where the polishing control system for magnetic fluid on an inner wall of a capillary tube includes: the magnetic fluid polishing structure comprises a liquid supply assembly, a plurality of magnetic fluid polishing branches and a plurality of magnetic field assemblies, wherein the magnetic fluid polishing branches are connected with the liquid supply assembly, and the magnetic field assemblies are arranged at the magnetic fluid polishing branches in a one-to-one correspondence manner; the control module is electrically connected with the magnetic fluid polishing structure; one end of the detection structure is connected with the magnetic fluid polishing structure, and the other end of the detection structure is electrically connected with the control module; the remote control end is in communication connection with the control module. It can be understood that the magnetic fluid polishing structure is provided with a plurality of magnetic fluid polishing branches and a plurality of magnetic field assemblies, so that branches can be used for simultaneously polishing the inner walls of different capillaries, the polishing efficiency of the inner walls of the capillaries is effectively improved, and the inner walls of the capillaries are polished in a mechanical friction mode, so that the capillaries with different materials can be polished simultaneously; through setting up detection structure, and then realize the real-time detection to multiple data in the capillary inner wall polishing process, through setting up control module and remote control end, realize showing the data that obtains detecting to regulate and control the running state of magnetic fluid polishing structure realizes that capillary inner wall polishing process is convenient controllable, knows polishing data, promotes polishing quality.
It is to be understood that the invention is not limited in its application to the examples described above, but is capable of modification and variation in light of the above teachings by those skilled in the art, and that all such modifications and variations are intended to be included within the scope of the appended claims.
Claims (8)
1. A capillary inner wall magnetic fluid polishing control system, comprising:
the magnetic fluid polishing structure comprises a liquid supply assembly, a plurality of magnetic fluid polishing branches and a plurality of magnetic field assemblies, wherein the magnetic fluid polishing branches are connected with the liquid supply assembly, and the magnetic field assemblies are arranged at the magnetic fluid polishing branches in a one-to-one correspondence manner;
the control module is electrically connected with the magnetic fluid polishing structure;
one end of the detection structure is connected with the magnetic fluid polishing structure, and the other end of the detection structure is electrically connected with the control module;
the remote control end is in communication connection with the control module;
the control module comprises a controller, and the controller is electrically connected with the detection structure, the magnetic fluid polishing structure and the remote control end;
the liquid supply assembly comprises a return pipe, a liquid storage container, a first liquid supply pipe, a power pump, a second liquid supply pipe and a transfer pipe which are sequentially connected; the liquid storage container is provided with a particle density adjusting part, the particle density adjusting part and the power pump are electrically connected with the controller, and the switching tube is provided with a plurality of switching ports;
the magnetic fluid polishing branch comprises a working tube and an external tube which are sequentially connected, the working tube is arranged as a capillary tube to be polished, one end of the working tube, which is away from the external tube, is connected with the switching port, one end of the external tube, which is away from the working tube, is connected with the return tube, and the external tube is arranged as a multi-way tube;
the detection structure further comprises particle density sensors which are arranged on the outer connecting pipe, and the particle density sensors are electrically connected with the controller.
2. The capillary inner wall magnetic fluid polishing control system of claim 1, wherein the control module further comprises:
the display screen is connected with the controller;
and the control button is connected with the controller.
3. The capillary inner wall magnetic fluid polishing control system of claim 2, wherein the controller comprises: PLC, DSP, MCU or CPU.
4. The capillary inner wall magnetic fluid polishing control system of claim 1, wherein the detection structure comprises:
the liquid level detector is arranged on the liquid storage container and is electrically connected with the controller;
the temperature sensor is arranged on the power pump and is electrically connected with the controller;
the pressure sensor is arranged on the second liquid supply pipe and is electrically connected with the controller.
5. The capillary inner wall magnetic fluid polishing control system of claim 1, wherein the detection structure further comprises a flow sensor disposed on the extension tube, and wherein the flow sensor is electrically connected to the controller.
6. The capillary inner wall magnetic fluid polishing control system of claim 1, wherein the control module further comprises:
the wireless transmission module is in communication connection with the controller;
the Internet cloud is in communication connection with the wireless transmission module;
the magnetic driving control piece is connected between the controller and the magnetic field assembly, and the magnetic field assembly is arranged as a permanent magnet or an electromagnet;
the remote control end is in communication connection with the wireless transmission module or the Internet cloud.
7. The capillary inner wall magnetic fluid polishing control system of any one of claims 1-6, further comprising: the power supply is electrically connected with the control module and the detection structure; the detection structure further comprises a power supply detection circuit, and the power supply detection circuit is connected between the power supply and the control module.
8. A method for controlling the polishing of a magnetic fluid on the inner wall of a capillary tube, which is characterized in that the method is realized based on the polishing control system for the magnetic fluid on the inner wall of the capillary tube according to any one of claims 1 to 7; the polishing control method for the magnetic fluid on the inner wall of the capillary comprises the following steps:
the control module controls the liquid supply assembly, the magnetic field assembly and the detection structure to start to operate; or the remote control end controls the liquid supply assembly, the magnetic field assembly and the detection structure to start to operate through the control module;
the liquid supply assembly supplies magnetic fluid polishing liquid to a plurality of magnetic fluid polishing branches, the detection structure synchronously detects liquid level height data, magnetic fluid particle density data and temperature data of the liquid supply assembly, magnetic field intensity data of the magnetic field assembly, flow data and post-polishing particle density data of the magnetic fluid polishing branches, and transmits the liquid level height data, the magnetic fluid particle density data, the temperature data, the magnetic field intensity data, the flow data and the post-polishing particle density data to the control module;
the control module receives and displays the liquid level height data, the magnetic fluid particle density data, the temperature data, the magnetic field intensity data, the flow data and the polished particle density data, transmits the liquid level height data, the magnetic fluid particle density data, the magnetic field intensity data, the flow data and the polished particle density data to the remote control end, and adjusts the running state of the liquid supply assembly.
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| CN202210736223.9A CN115194563B (en) | 2022-06-27 | 2022-06-27 | Magnetic fluid polishing control system and method for inner wall of capillary tube |
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| CN111843627A (en) * | 2020-07-17 | 2020-10-30 | 南方科技大学 | Polishing method and polishing device based on magnetic composite fluid |
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| US5971835A (en) * | 1998-03-25 | 1999-10-26 | Qed Technologies, Inc. | System for abrasive jet shaping and polishing of a surface using magnetorheological fluid |
| JP4733794B2 (en) * | 2000-12-26 | 2011-07-27 | 共栄電工株式会社 | Method and apparatus for surface treatment of inner surface of member |
| CN104029130B (en) * | 2014-06-06 | 2016-06-15 | 中国科学院长春光学精密机械与物理研究所 | A kind of intelligence polishing fluid supply circulating device |
| CN104588377A (en) * | 2014-12-31 | 2015-05-06 | 天津渤化中河化工有限公司 | Purging system for chemical material conveying pipeline |
| CN106826407A (en) * | 2017-01-18 | 2017-06-13 | 深圳中科康森瑞特科技发展有限公司 | A kind of metal capillary inner surface magnetic grinding polishing method and device |
| CN113478378A (en) * | 2021-09-07 | 2021-10-08 | 南通瓯海电气设备有限公司 | Metal tube inner wall polishing equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH07136925A (en) * | 1993-11-22 | 1995-05-30 | Mitsubishi Corp | Grinding method and grinding device |
| CN111843627A (en) * | 2020-07-17 | 2020-10-30 | 南方科技大学 | Polishing method and polishing device based on magnetic composite fluid |
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