CN113910009A - Magnetorheological fluid polishing bullet polishing machine - Google Patents
Magnetorheological fluid polishing bullet polishing machine Download PDFInfo
- Publication number
- CN113910009A CN113910009A CN202111223759.2A CN202111223759A CN113910009A CN 113910009 A CN113910009 A CN 113910009A CN 202111223759 A CN202111223759 A CN 202111223759A CN 113910009 A CN113910009 A CN 113910009A
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- China
- Prior art keywords
- polishing
- magnetorheological
- bullet
- liquid inlet
- inlet pipe
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Classifications
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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
- B24B57/00—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents
- B24B57/02—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents for feeding of fluid, sprayed, pulverised, or liquefied grinding, polishing or lapping agents
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- 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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a magnetorheological fluid polishing bullet polishing machine, which is used for polishing the inner wall of a pipe fitting and comprises a liquid inlet pipe, a magnetorheological fluid accelerator and magnetorheological polishing bullets, wherein the pipe fitting is provided with a plurality of sections, the liquid inlet pipe connects all the pipe fittings in series to form a polishing channel, a plurality of the magnetorheological polishing bullets are arranged in the polishing channel, the tail part of the polishing channel is opposite to the head part of the polishing channel, and the magnetorheological polishing bullets are used for returning the tail part of the polished magnetorheological polishing bullet to the head part of the magnetorheological polishing channel to start the next cycle operation; each section of pipe fitting is sleeved with a polishing coil, and all polishing coils are connected with a polishing controller; the magnetorheological polishing bullet is a porous sponge ball which is soaked in magnetorheological polishing liquid. The magnetorheological fluid accelerator can realize pulse acceleration, and increase the pressure of the magnetorheological polishing bullet when contacting the inner wall of the pipe fitting, thereby improving the polishing efficiency.
Description
Technical Field
The invention relates to a magnetorheological fluid polishing bullet polisher.
Background
The method of polishing pipes and objects with complex structures by using the magnetorheological polishing fluid is a common means, and particularly, on the polishing of the inner walls of some pipes, the magnetorheological polishing fluid can flow through the thin pipes or the pipes with curved surfaces on the inner walls to be converted into a solid-like state under the action of a magnetic field by using the liquid characteristics of the magnetorheological polishing fluid, so that the inner walls of the pipes are polished. However, in the existing polishing equipment adopting the principle, the water pump is used as a flow driving element of the magnetorheological polishing solution, but the flow rate is constant, the water pump needs to be connected into a flow channel, the whole sealing performance is affected, the water pump is used as a power source, the magnetorheological polishing solution can only flow through a pipe fitting along a straight line at a constant speed for polishing, the polishing form is single, and the polishing efficiency is low.
Disclosure of Invention
The invention aims to provide a magnetorheological fluid polishing bullet polishing machine, which can effectively solve the problems that the existing magnetorheological polishing machine needs to use a water pump to drive magnetorheological polishing fluid for polishing, and has single form and low efficiency.
In order to solve the technical problems, the invention is realized by the following technical scheme: the magnetorheological fluid polishing bullet polishing machine is used for polishing the inner wall of a pipe fitting and comprises a liquid inlet pipe, a magnetorheological fluid accelerator and magnetorheological polishing bullets, wherein the pipe fitting is provided with a plurality of sections, all the pipe fittings are connected in series by the liquid inlet pipe to form a polishing channel, a plurality of the magnetorheological polishing bullets are arranged in the polishing channel, the tail part of the polishing channel is opposite to the head part of the polishing channel, and the magnetorheological polishing bullets after polishing are returned from the tail part to the head part of the polishing channel to start the next cycle; each section of pipe fitting is sleeved with a polishing coil, and all polishing coils are connected with a polishing controller; the magnetorheological polishing bullet is a porous sponge ball which is soaked in magnetorheological polishing liquid.
Preferably, the magnetorheological fluid accelerator comprises a driving coil controller and at least one stage of accelerating coil, the accelerating coil is sleeved on the liquid inlet pipe, the direction of magnetic lines of a magnetic field generated by the accelerating coil is parallel to the flowing direction of the magnetorheological polishing bullet, the driving coil controller controls all the accelerating coils to work, continuous pulse magnetic traveling waves are generated by excitation of the at least one stage of accelerating coil to drive the magnetorheological polishing bullet, and pulse motion of the magnetorheological polishing bullet is realized along the direction of the magnetic traveling waves of the magnetic field to polish the inner wall of the pipe fitting.
Preferably, the accelerating coil has at least two stages, and is sleeved on the liquid inlet pipe in sequence along the axial direction of the liquid inlet pipe, so that a gradient magnetic field is formed better, and the polishing effect is enhanced.
Preferably, a funnel is arranged on the liquid inlet pipe positioned at the head of the polishing channel, the funnel is favorable for the communication between the head and the tail of the liquid inlet pipe, and the magnetorheological polishing bullet is also convenient to fill.
Preferably, a cooler is arranged on the liquid inlet pipe behind the last section of pipe fitting on the polishing channel, when the magnetorheological polishing bullet moves at a high speed, the magnetorheological polishing liquid is easy to agglomerate and is not beneficial to polishing when the temperature is increased, and the temperature is reduced when the magnetorheological polishing bullet moves to the position of the cooler.
Compared with the prior art, the invention has the advantages that:
the magnetorheological polishing bullet can be accelerated by the magnetorheological accelerator, so that a water pump in the traditional magnetorheological polishing machine is omitted, pulse acceleration can be realized by the magnetorheological accelerator, the pressure of the magnetorheological polishing bullet when the magnetorheological polishing bullet is in contact with the inner wall of the pipe fitting is increased, the polishing efficiency is improved, and the mechanical precision of a product can be effectively improved. The magnetorheological polishing bullet is a porous sponge ball which is soaked in magnetorheological polishing liquid, and becomes a polishing ball with certain strength after being acted by a magnetic field, and the inner wall of the pipe fitting is polished. And the polishing coil on each section of pipe fitting can play a role in adjusting the speed of magnetorheological polishing bullets passing through the pipe fitting, so that the speed is increased when the speed is insufficient, and the speed is reduced when the speed is too high, thereby ensuring the polishing effect.
Drawings
FIG. 1 is a schematic structural view of a magnetorheological fluid polishing bullet polisher according to the present invention;
FIG. 2 is a schematic diagram of the operation of the magnetorheological accelerator of the present invention.
Reference numerals:
the device comprises a liquid inlet pipe 1, a magnetorheological fluid accelerator 2, a driving coil controller 21, an accelerating coil 22, a magnetorheological polishing bullet 3, magnetorheological polishing liquid 31, a porous sponge ball 32, a pipe fitting 4, a polishing coil 5, a polishing controller 6, a funnel 7, a cooler 8 and magnetic lines of force 9.
Detailed Description
The magnetorheological fluid polishing bullet polishing machine is used for polishing the inner wall of a pipe fitting and comprises a liquid inlet pipe, a magnetorheological fluid accelerator and magnetorheological polishing bullets, wherein the pipe fitting is provided with a plurality of sections, all the pipe fittings are connected in series by the liquid inlet pipe to form a polishing channel, a plurality of the magnetorheological polishing bullets are arranged in the polishing channel, the tail part of the polishing channel is opposite to the head part of the polishing channel, and the magnetorheological polishing bullets after polishing are returned from the tail part to the head part of the polishing channel to start the next cycle; each section of pipe fitting is sleeved with a polishing coil, and all polishing coils are connected with a polishing controller; the magnetorheological polishing bullet is a porous sponge ball which is soaked in magnetorheological polishing liquid. The magnetorheological polishing device has the advantages that the problems of single magnetorheological polishing and polishing form and low efficiency in the prior art are solved by adding the magnetorheological fluid accelerator and the magnetorheological polishing bullet, the magnetorheological polishing bullet can be accelerated by the magnetorheological fluid accelerator, so that a water pump in the traditional magnetorheological polishing machine is omitted, pulse acceleration can be realized by the magnetorheological fluid accelerator, the pressure of the magnetorheological polishing bullet when contacting with the inner wall of the pipe fitting is increased, and the polishing efficiency is improved. The magnetorheological polishing bullet is a porous sponge ball which is soaked in magnetorheological polishing liquid, and becomes a polishing ball with certain strength after being acted by a magnetic field, and the inner wall of the pipe fitting is polished. And the polishing coil on each section of pipe fitting can play a role in adjusting the speed of magnetorheological polishing bullets passing through the pipe fitting, so that the speed is increased when the speed is insufficient, and the speed is reduced when the speed is too high, thereby ensuring the polishing effect.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1 and 2, an embodiment of a magnetorheological fluid polishing bullet polisher according to the present invention is shown, the magnetorheological fluid polishing bullet polisher includes a liquid inlet pipe 1, a magnetorheological fluid accelerator 2 and a magnetorheological fluid polishing bullet 3, in this embodiment, four pipe fittings 4 are provided, that is, four pipe fittings 4 are polished at the same time, the four pipe fittings 4 are connected in series through the liquid inlet pipe 1, the liquid inlet pipe 1 connected in front of the first pipe fitting 4 is a first liquid inlet pipe 1, the liquid inlet pipe 1 connected behind the fourth pipe fitting 4 is a fifth liquid inlet pipe 1, a funnel 7 is provided at the head of the first liquid inlet pipe 1, the tail of the fifth liquid inlet pipe 1 is aligned with the funnel 7, the magnetorheological fluid polishing bullet 3 enters the funnel 7 from the tail of the fifth liquid inlet pipe 1 through a cycle, so as to start the next polishing cycle, the magnetorheological fluid accelerator 2 is provided on the first liquid inlet pipe 1, and the magnetorheological fluid accelerator 2 is passed through, and accelerating the flowing magnetorheological finishing projectile 3. And each section of pipe fitting 4 is sleeved with a polishing coil 5, the speed of the magnetorheological polishing bullet 3 passing through the section of pipe fitting 4 is controlled by the polishing coil 5, the speed is increased when the speed is insufficient, the speed is reduced when the speed is too high, all the polishing coils 5 are connected to a polishing controller 6, and the working state of the polishing coils 5 is controlled by the polishing controller 6. The magnetorheological polishing bullet 3 is a porous sponge ball 32 which is fully soaked with the magnetorheological polishing liquid 31, the porous sponge ball 32 which is fully soaked with the magnetorheological polishing liquid is that the porous sponge ball 32 is put into the magnetorheological polishing liquid 31 to absorb the magnetorheological polishing liquid 31 until the magnetorheological polishing liquid 31 is fully filled in gaps in the porous sponge ball 32, and the magnetorheological polishing bullet 3 has a gap between the porous sponge ball 32 when passing through a magnetorheological accelerator, so that an acceleration space can be provided for the later-stage acceleration of the magnetorheological polishing bullet 3, and the acceleration of the magnetorheological polishing bullet 3 is faster. The fifth section of liquid inlet pipe 1 is also provided with a cooler 8, the temperature of the magnetorheological polishing bullet 3 is reduced through the cooler 8, the magnetorheological polishing liquid 31 in the magnetorheological polishing bullet 3 is prevented from being condensed due to high temperature, and the cooler 8 can adopt a heat exchanger to cool through heat exchange.
The flow velocity of the magnetorheological polishing bullet 3 in the liquid inlet pipe 1 is improved through a magnetorheological accelerator, the magnetorheological accelerator comprises a driving coil controller 21 and two-stage accelerating coils 22, the two-stage accelerating coils 22 are sleeved on the liquid inlet pipe 1 in sequence along the axis direction of the liquid inlet pipe 1, the direction of magnetic force lines 9 of a magnetic field generated by the accelerating coils 22 is parallel to the flowing direction of the magnetorheological polishing bullet 3, and the driving coil controller 21 controls all the accelerating coils 22 to work.
The magnetorheological polishing bullet 3 is driven to perform pulse motion along the magnetic field traveling wave direction by sequentially exciting a plurality of stages of accelerating coils 22 to generate continuous pulse magnetic traveling waves, the continuous pulse magnetic traveling waves generated by sequentially exciting the multistage accelerating coils 22 are driven to perform high-speed motion by the first-stage accelerating coil 22 relatively positioned at the upstream, and the second-stage accelerating coil 22 relatively positioned at the downstream, if more stages of accelerating coils 22 are sequentially analogized, the magnetorheological polishing bullet 3 is driven to perform high-speed motion by the continuous pulse magnetic traveling waves generated by sequentially exciting the multistage accelerating coils 22, after pulse exciting current is introduced into the first-stage accelerating coil 22, magnetic field magnetic traveling waves are generated in air gaps around a driving coil, the magnetorheological polishing bullet 3 is attracted to perform accelerated motion under the action of magnetic force, and when the magnetorheological polishing bullet 3 runs to the middle of the first-stage accelerating coil 22, a power supply is disconnected, so that the magnetorheological polishing bullet moves out of the first-stage accelerating coil 22 by inertia; then enters the second-stage accelerating coil 22 to accelerate again, and a plurality of coils can be arranged to accelerate according to requirements until the required speed is met.
When the polishing device is used, the porous sponge ball 32 which is fully soaked with the magnetorheological polishing liquid 31 is added into the liquid inlet pipe 1 from the funnel 7, the magnetorheological polishing bullet 3 is accelerated under the action of the accelerating coil 22 and enters the pipe 4 to be polished, the speed of the magnetorheological polishing bullet 3 entering the pipe 4 is induced by the inductor, if the speed is not high enough, the magnetorheological polishing bullet is accelerated by the polishing coil 5 which is sleeved on the pipe 4, if the speed is high enough, the magnetorheological polishing bullet can also be decelerated by the polishing coil 5, meanwhile, the magnetic field generated by the polishing coil 5 can maintain the magnetorheological polishing bullet 3 to be a flexible polishing body to polish the key inner side wall, after the magnetorheological polishing bullet 3 passes through all the pipes 4, the magnetorheological polishing bullet flows out from the tail part of the fifth section of liquid inlet pipe 1 and returns to the first section of liquid inlet pipe 1 through the funnel 7, and enters the next cycle to continuously polish the inner wall of the pipe 4.
The above description is only an embodiment of the present invention, but the technical features of the present invention are not limited thereto, and any changes or modifications within the technical field of the present invention by those skilled in the art are covered by the claims of the present invention.
Claims (5)
1. Magnetorheological suspensions polishing bullet burnishing machine for polish pipe fitting (4) inner wall, its characterized in that: the magnetorheological polishing device comprises a liquid inlet pipe (1), a magnetorheological fluid accelerator (2) and magnetorheological polishing bullets (3), wherein the pipe fitting (4) is provided with a plurality of sections, all the pipe fittings (4) are connected in series by the liquid inlet pipe (1) to form a polishing channel, a plurality of the magnetorheological polishing bullets (3) are arranged in the polishing channel, the tail part of the polishing channel is opposite to the head part of the polishing channel, and the magnetorheological polishing bullets (3) after polishing are returned from the tail part to the head part to start the next cycle operation;
each section of pipe fitting (4) is sleeved with a polishing coil (5), and all polishing coils (5) are connected with a polishing controller (6);
the magnetorheological polishing bullet (3) is a porous sponge ball (32) which is fully soaked with magnetorheological polishing liquid (31).
2. The magnetorheological fluid polishing bullet polisher according to claim 1 with: the magnetorheological fluid accelerator (2) comprises a driving coil controller (21) and at least one stage of accelerating coil (22), the accelerating coil (22) is sleeved on the liquid inlet pipe (1), the direction of magnetic lines (9) of a magnetic field generated by the accelerating coil (22) is parallel to the flowing direction of the magnetorheological polishing bullet (3), and the driving coil controller (21) controls all the accelerating coils (22) to work.
3. The magnetorheological fluid polishing bullet polisher according to claim 2 with: the accelerating coil (22) is provided with at least two stages and is sequentially sleeved on the liquid inlet pipe (1) along the axial direction of the liquid inlet pipe (1).
4. The magnetorheological fluid polishing bullet polisher according to claim 1 with: a funnel (7) is arranged on the liquid inlet pipe (1) at the head part of the polishing channel.
5. The magnetorheological fluid polishing bullet polisher according to claim 1 with: a cooler (8) is arranged on the liquid inlet pipe (1) behind the last section of pipe fitting (4) on the polishing channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111223759.2A CN113910009B (en) | 2021-10-18 | 2021-10-18 | Magnetorheological fluid polishing bullet polishing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111223759.2A CN113910009B (en) | 2021-10-18 | 2021-10-18 | Magnetorheological fluid polishing bullet polishing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113910009A true CN113910009A (en) | 2022-01-11 |
| CN113910009B CN113910009B (en) | 2023-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111223759.2A Active CN113910009B (en) | 2021-10-18 | 2021-10-18 | Magnetorheological fluid polishing bullet polishing machine |
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| CN110340741A (en) * | 2019-07-18 | 2019-10-18 | 浙江科惠医疗器械股份有限公司 | A kind of artificial knee-joint thighbone condyle polishing machine |
| CN211966845U (en) * | 2020-04-30 | 2020-11-20 | 中国工程物理研究院机械制造工艺研究所 | In vitro formula magneto-rheological is pumping circulating device for polishing |
| CN113103078A (en) * | 2021-05-14 | 2021-07-13 | 长春长光大器科技有限公司 | Magnetorheological fluid pulsation adjusting device and method |
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2021
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| US20030201067A1 (en) * | 2000-06-30 | 2003-10-30 | Lam Research Corporation | Method and apparatus for aligning and setting the axis of rotation of spindles of a multi-body system |
| CN200981191Y (en) * | 2006-06-30 | 2007-11-28 | 西安工业大学 | Optical accessory fine-grinding polishing machine |
| CN201841443U (en) * | 2010-10-14 | 2011-05-25 | 浙江工业大学 | Magnetorheological jet polishing device |
| CN102501146A (en) * | 2011-12-30 | 2012-06-20 | 清华大学 | Device for realizing rotary fluid supply and recycle during revolving/rotating type magnetorheological polishing |
| CN203880038U (en) * | 2014-05-28 | 2014-10-15 | 沈阳化工大学 | Gear with adjustable rigidity and damping |
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| CN110340741A (en) * | 2019-07-18 | 2019-10-18 | 浙江科惠医疗器械股份有限公司 | A kind of artificial knee-joint thighbone condyle polishing machine |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN113910009B (en) | 2023-08-15 |
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