CN116587143A - Mirror polishing device in laser groove plate groove and polishing method thereof - Google Patents
Mirror polishing device in laser groove plate groove and polishing method thereof Download PDFInfo
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- CN116587143A CN116587143A CN202211435300.3A CN202211435300A CN116587143A CN 116587143 A CN116587143 A CN 116587143A CN 202211435300 A CN202211435300 A CN 202211435300A CN 116587143 A CN116587143 A CN 116587143A
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- 238000005498 polishing Methods 0.000 title claims abstract description 296
- 238000000034 method Methods 0.000 title description 9
- 239000007788 liquid Substances 0.000 claims abstract description 112
- 210000002268 wool Anatomy 0.000 claims abstract description 103
- 238000007517 polishing process Methods 0.000 claims abstract description 12
- 239000002184 metal Substances 0.000 claims description 34
- 238000003860 storage Methods 0.000 claims description 25
- 230000000694 effects Effects 0.000 claims description 18
- 238000003825 pressing Methods 0.000 claims description 12
- 238000005520 cutting process Methods 0.000 claims description 7
- 230000003247 decreasing effect Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 4
- 230000000750 progressive effect Effects 0.000 claims description 2
- 239000000243 solution Substances 0.000 description 36
- 229910001651 emery Inorganic materials 0.000 description 16
- 238000003698 laser cutting Methods 0.000 description 6
- 239000000919 ceramic Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007425 progressive decline Effects 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
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
- B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
- B24B29/02—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces
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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
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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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/068—Table-like supports for panels, sheets or the like
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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
- B24B45/00—Means for securing grinding wheels on rotary arbors
- B24B45/003—Accessories therefor
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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
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/02—Equipment for cooling the grinding surfaces, e.g. devices for feeding coolant
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The application discloses a mirror polishing device in a laser groove plate groove, which comprises a mirror polishing cutter for realizing mirror polishing of the groove bottom of the laser groove to be polished and a polishing liquid automatic adding device for automatically storing and adding polishing liquid under pressure to the mirror polishing cutter; the mirror polishing cutter comprises a wool felt grinding wheel, and a mirror polishing surface is arranged on the wool felt grinding wheel; the polishing solution automatic adding device is provided with a secondary pressurizing and liquid pushing integrated mechanism. A method of polishing using the laser groove plate in-groove mirror polishing apparatus is also disclosed. The laser groove plate groove inner mirror polishing device can meet the automatic polishing requirement of the laser groove bottom mirror on the existing laser groove plate, is high in polishing precision, efficient and quick, and can effectively improve the mirror polishing yield.
Description
Technical Field
The application relates to the technical field of ceramic polishing, in particular to a laser groove plate in-groove mirror polishing device and a polishing method.
Background
The laser groove plate is mainly used in domestic high-power precision laser cutting equipment. After the laser is emitted by the laser emitter, the laser is converged to the laser cutting tool bit through the guidance of the laser groove, so that high-power precise laser cutting is realized. The laser groove plate is used as a key component of the device, has good performances of high temperature resistance, abrasion resistance, corrosion resistance, high thermal conductivity and the like, can meet the environmental requirement of the laser cutting device on ultra-high temperature, and has the characteristic of low loss after mirror polishing in the laser groove plate groove, and has decisive influence on the cutting power of the laser cutting device.
The current ceramic laser groove plate series product size is 300 x 50 x 4.3t to 500 x 50 x 4.3t, and the ceramic laser groove plate series product is applied to a 30W-55W laser cutting device. The surface of the product is provided with three laser grooves with the width of 2.8mm and the depth of 2.8mm, the groove width is narrower, the groove bottom requires a mirror effect, the roughness Ra0.2 is less, and the polishing difficulty is high and the requirements are high. At present, the mirror polishing of the groove generally adopts a manual wool felt polishing process, and has the advantages of high manual working strength, long processing time, poor polishing effect and high reworking rate.
Therefore, there is an urgent need to design and develop a new polishing method for solving the above problems existing in the mirror polishing in the groove of the ceramic laser plate, so as to solve the existing problems existing in the manual polishing: 1. the manual working strength is high, the processing time is long, and the like; 2. solves the problems of poor tank bottom polishing effect and high reworking rate; 3. solves the problem of complicated manual addition of polishing solution.
Disclosure of Invention
The application aims to solve the problems of high working strength, long processing time, poor polishing effect, high reworking rate, low efficiency, complex processing operation and the like of the conventional mirror polishing in the ceramic laser plate groove, and provides the mirror polishing device in the laser plate groove and the polishing method thereof, which are convenient and quick to process, good in polishing effect, high in efficiency and high in yield.
The technical scheme adopted by the application for realizing the first application purpose is as follows: a mirror polishing device in a laser groove plate groove comprises a mirror polishing cutter for realizing mirror polishing of the groove bottom of the laser groove to be polished and a polishing liquid automatic adding device for automatically storing and adding polishing liquid under pressure to the mirror polishing cutter; the mirror polishing cutter comprises a wool felt grinding wheel, and a mirror polishing surface is arranged on the wool felt grinding wheel; the polishing solution automatic adding device is provided with a secondary pressurizing and liquid pushing integrated mechanism. This laser groove plate inslot mirror surface burnishing device adopts mirror surface polishing cutter to realize the mirror surface finish to the laser groove to the laser inslot mirror surface polishing requirement on the present laser groove plate, and mirror surface polishing cutter is mainly through a section of wool felt emery wheel that has mirror surface polished surface of brand-new design, realize automatic polishing to the laser groove, because the polishing needs to reach the mirror surface requirement, consequently, need cooperate the polishing solution to realize polishing in the polishing process, special cooperation wool felt emery wheel designs a section and can remove the small-size polishing solution automatic adding device that sets up in any suitable position as required, this automatic adding device adopts the integral type mechanism of secondary pressure boost to push away liquid, the atmospheric pressure after passing through the secondary pressure boost promotes the polishing solution and realizes automatic interpolation, vapour-pressure type promotes the polishing solution to add, can effectively control the interpolation volume of polishing solution, can also guarantee the homogeneity that the polishing solution adds simultaneously, thereby greatly improve the mirror surface polishing effect of wool felt emery wheel. The mirror polishing device in the laser groove plate groove can meet the automatic polishing requirement of the mirror surface of the laser groove on the existing laser groove plate, is high in polishing precision, efficient and quick, and can effectively improve the mirror polishing yield.
Preferably, the felt grinding wheel comprises a central main body part and an edge polishing part, wherein the thickness of the central main body part of the felt grinding wheel is larger than that of the edge polishing part of the felt grinding wheel, and the mirror polishing surface is arranged in a circular arc shape along the periphery of the polishing part. The thickness of the main core main body part of the wool felt grinding wheel is larger than that of the edge polishing part, so that the automatic use strength of the wool felt grinding wheel can be ensured, the mirror polishing effect of mirror polishing facing the laser groove is facilitated, and the manufacturing cost of the wool felt grinding wheel is reduced. The mirror polishing surface is arranged on the periphery of the wool felt grinding wheel and is arc-shaped, the arc-shaped is matched with the bottom shape of the laser groove, the requirements of rough polishing and finish polishing can be synchronously achieved through one-time installation, and the roughness of the mirror polishing surface can be equal to or smaller than that of the polishing part, so that the requirements of the mirror roughness of the laser groove bottom and the polishing of the groove wall of the laser groove are met.
Preferably, the thickness of the wool felt grinding wheel is in a progressive decreasing structure with unequal thickness from the central main body part to the edge polishing part, or the thickness of the wool felt grinding wheel is in a step decreasing structure from the central main body part to the edge polishing part. The thickness center main part of wool felt emery wheel is greater than the polishing part, can be progressive decline, also can be the step-type decline, and the use intensity of wool felt emery wheel can enough be guaranteed to such structure, can also satisfy the wool felt emery wheel simultaneously and stretch into the laser tank bottom and realize disposable coarse and fine polishing, and is labour saving and time saving, swift, high-efficient, and the polishing mirror surface degree is high moreover.
Preferably, the center of the wool felt grinding wheel is provided with a cutter shaft mounting hole, and a plurality of circular arc-shaped notches are formed in the edge polishing part of the wool felt grinding wheel along the circumferential direction. The thickness of the wool felt grinding wheel can be gradually decreased from the main body part to the polishing part, or the thickness of the main body part and the thickness of the polishing part are gradually decreased in steps, and the two different structural arrangements are used for meeting the requirements of mirror polishing surfaces of the bottom of the laser groove.
Preferably, the mirror polishing cutter further comprises metal supporting pieces which are arranged on two sides of the wool felt grinding wheel and used for stably supporting the wool felt grinding wheel, and the metal supporting pieces are fixedly connected with the wool felt grinding wheel through fasteners. In order to further increase the strength of the mirror polishing tool, metal supporting pieces with diameters smaller than the diameter of the polishing portion are arranged on two sides of the wool felt grinding wheel, and the wool felt grinding wheel is reinforced from two sides, so that the mirror polishing tool can be conveniently mounted on a working bench of a machine tool to achieve polishing.
Preferably, the metal support piece is a metal support ring piece, and a raised clamping ring is integrally arranged on one side of the outer ring edge of the metal support piece, which faces the wool felt grinding wheel. The metal support ring piece is adopted, and the clamping ring is arranged on the metal support ring piece, so that the metal support piece and the wool felt grinding wheel are conveniently and fixedly connected, and multiple fixing can be realized by the metal support piece and the wool felt grinding wheel.
Preferably, the polishing solution automatic adding device comprises a device body and a polishing solution storage device, an air pressure cavity is formed in the device body, an air inlet and a connecting port which are communicated with the air pressure cavity are formed in the device body along the same axis, the polishing solution storage device is arranged at the connecting port, and the secondary pressurizing and liquid pushing integrated mechanism is movably arranged in the air pressure cavity and the polishing solution storage device. The automatic polishing solution adding device mainly comprises a device body and a polishing solution storage device arranged on the device body, wherein an air pressure cavity is formed in the device body, pressure gas can be introduced into the air pressure cavity through an air inlet, so that the air pressure cavity is in a certain pressure state, the polishing solution storage device is used for storing polishing solution, one end of a secondary pressurizing and pushing integrated mechanism is arranged in the air pressure cavity, one end of the secondary pressurizing and pushing integrated mechanism is arranged in the polishing solution storage device, when the air pressure in the air pressure cavity is larger than the pressure in the polishing solution storage device, the air pressure pushes the secondary pressurizing and pushing integrated mechanism to move towards the inside of the polishing solution storage device, and then the polishing solution in the air pressure cavity is pushed to move outwards, so that the purpose of automatically adding the polishing solution is achieved, the mechanism can achieve stable pushing of the polishing solution, and therefore effective injection of the polishing solution is guaranteed.
Preferably, the polishing solution existence device is a tank body with a liquid pressure cavity, the opening end of the liquid pressure cavity of the tank body is arranged in the air pressure cavity and communicated with the air pressure cavity, a liquid outlet is coaxially arranged at one end opposite to the opening of the liquid pressure cavity, a liquid outlet pipe is connected to the liquid outlet, and a liquid outlet nozzle is arranged at the outlet end of the liquid outlet pipe; the secondary pressurizing and liquid pushing integrated mechanism comprises a liquid pushing plug and an air pressure plug which are integrally arranged, wherein the liquid pushing plug is arranged in the liquid pressing cavity in a sliding mode, and the air pressure plug is arranged in the air pressure cavity. The structure of the polishing solution storage device facilitates the setting of the secondary pressurizing and liquid pushing integrated mechanism, so that the purpose of pushing the polishing solution to add by air pressure is achieved, the secondary pressurizing and liquid pushing integrated mechanism comprises a liquid pushing plug for pushing the polishing solution to move towards a liquid outlet, and an air pressure plug is used for driving the liquid pushing plug to move under the pushing of the air pressure.
Preferably, the air inlet is connected with a pneumatic pump connecting piece, and the pneumatic pump connecting piece comprises an air storage cavity connected with an external pneumatic pump and an air outlet pipe connected with the air pressure cavity. The air inlet is connected with the pneumatic pump connecting piece and used for being connected with an external pneumatic pump, meanwhile, gas pressed by the pneumatic pump is stored in the gas storage cavity through the gas storage cavity on the pneumatic pump connecting piece, and after a certain amount of gas is reached, the gas is conveyed into the pneumatic cavity through the air outlet pipe to realize secondary pressurization, so that the pneumatic plug is pushed to move.
The technical scheme adopted by the application for achieving the second application purpose is as follows: a polishing method by using a mirror polishing device in a laser groove plate groove comprises the following steps:
step 1: fixing the wool felt grinding wheel) on a workbench through a metal support piece and a fastening piece, magnetically sucking a polishing liquid automatic adding device to a proper position on the workbench, and aligning a liquid outlet pipe with the wool felt grinding wheel;
step 2: rough polishing is carried out on the laser groove: installing a laser groove plate to be polished on a moving platform, adjusting a wool felt grinding wheel to enable the wool felt grinding wheel to be in contact with a laser groove on the laser groove plate, then cutting the wool felt grinding wheel by 0.02mm, starting an automatic polishing liquid adding device, continuously adding polishing liquid to the wool felt grinding wheel, and running the wool felt grinding wheel along the laser groove (12) after the cutting amount is reached, and meanwhile, driving the laser groove plate to be polished to move according to the shape of the laser groove by the moving platform to realize rough polishing of all the laser grooves;
step 3: performing secondary rough polishing on the laser groove: adjusting the cutter setting amount of the wool felt grinding wheel to be 0.005mm, and performing blank running on the wool felt grinding wheel along a laser groove for at least 9 times after the cutter setting amount is reached, and performing rough polishing on the groove bottom through a polishing mirror to finish secondary rough polishing;
step 4: and (3) carrying out fine polishing on the laser groove: and adjusting the cutter setting amount of the wool felt grinding wheel to be 0.005mm, and performing finish polishing on the bottom of the groove through a polishing mirror after the cutter setting amount is reached and the wool felt grinding wheel runs along the laser groove until the roughness reaches less than Ra0.2 and is in a mirror surface effect, so that finish polishing is completed.
The method for polishing the mirror polishing device in the groove of the laser groove plate can realize one-time automatic mirror polishing of the laser groove on the laser groove plate, is convenient and quick to operate, has high polishing precision and high polishing quality, and is high in efficiency, and the processing efficiency of products is greatly improved.
The beneficial effects of the application are as follows: the laser groove plate groove inner mirror polishing device can meet the automatic polishing requirement of the laser groove bottom mirror on the existing laser groove plate, is high in polishing precision, efficient and quick, and can effectively improve the mirror polishing yield.
Drawings
FIG. 1 is a schematic view of a mirror polishing apparatus in a slot of a laser slot plate according to the present application;
FIG. 2 is a schematic view showing a structure of a mirror polishing tool according to the present application;
FIG. 3 is a cross-sectional view of a mirror-finished tool according to the present application;
FIG. 4 is a schematic view of a structure of an automatic adding device of the medium polishing liquid;
FIG. 5 is a schematic view showing a structure of a mirror polishing apparatus in a groove of a laser groove plate in embodiment 2 of the present application;
FIG. 6 is a schematic view of a structure of a laser grooved plate to be polished according to the present application;
in the figure: 1. the laser groove plate to be polished comprises a groove plate body 11, a groove plate body 12 and a laser groove;
2. mirror polishing cutter, 21, wool felt grinding wheel, 22, mirror polishing surface, 23, metal support piece, 24, fastener, 25, arc notch, 26, clasp, 27, cutter shaft mounting hole, 28, main body, 29 and polishing part;
3. the polishing solution automatic adding device comprises a polishing solution automatic adding device 31, a secondary pressurizing and liquid pushing integrated mechanism 310, a liquid pushing plug 311, an air pressure plug 32, a device body 33, a polishing solution storage device 34, an air pressure cavity 35, an air inlet 36, a connecting port 37, a liquid pressing cavity 38, a liquid outlet 39 and a liquid pushing opening;
4. a work bench;
5. a motion platform 51, a workbench surface 52, a linear moving mechanism 53 and a rotating mechanism;
6. the sliding block, 7, the sliding rail, 8 and the driving device;
9. a liquid outlet pipe, 91 and a liquid outlet nozzle,
10. pneumatic pump connecting piece, 101, gas storage chamber, 102, outlet duct
13. The polishing device comprises a magnet fixing block, 14, a metal protection plate, 15 and polishing liquid.
Detailed Description
The various aspects of the application are described in detail below with reference to particular embodiments and with reference to the accompanying drawings.
Example 1:
in the embodiment shown in fig. 1, as shown in fig. 6, the laser groove plate 1 to be polished comprises a groove plate body 11 with a cuboid structure, the groove plate body 11 is provided with laser grooves 12 which are integrally arranged in a Z shape, the length of the groove plate body 11 is 300mm, the width of the groove plate body is 50mm, the thickness of the groove plate body is 4.3mm, the groove width of the Z-shaped laser groove 12 on the surface of the groove plate body 11 is 2.8mm, the groove depth is 2.8mm, and the groove bottom is in a circular arc shape. The groove bottom of the laser groove needs to be subjected to mirror polishing so that the roughness of the groove bottom reaches less than Ra0.2, and the requirement of mirror effect is met.
In order to meet the polishing requirement on the bottom of the laser groove on the laser groove plate, the embodiment adopts a mirror polishing device in the groove of the laser groove plate, which comprises a working bench 4, wherein the working bench is provided with a mirror polishing cutter 2 for realizing mirror polishing on the bottom of the laser groove to be polished and a polishing liquid automatic adding device 3 for realizing automatic pressure storage and polishing liquid addition 15 for the mirror polishing cutter in the polishing process.
The workbench 4 is provided with a moving platform 5, and the moving platform 5 can drive the laser groove plate 1 to be polished to move along the shape of the laser groove 12 under the control of a control program. The laser groove plate is mainly convenient to fix through the setting of the moving platform 5, and meanwhile, the moving of the relative position of the laser groove 12 is realized through the moving platform, so that the laser groove arranged in a Z shape can be effectively polished through a polishing cutter at one time. When the polishing device is specifically used, a laser groove plate to be polished is fixed on the moving platform 5, one end of the laser groove 12 is opposite to the mirror polishing cutter 2, the mirror polishing cutter 2 stretches into the bottom of the laser groove 12, the mirror polishing cutter 2 and the moving platform 5 are started, the moving platform 5 acts according to the designed polishing speed, the bottom of the laser groove 12 is sequentially polished by the mirror polishing cutter 2, and of course, the polishing liquid automatic adding device 3 is required to be started in the polishing process so as to automatically add the polishing liquid 15 into the mirror polishing cutter 2.
The motion platform 5 comprises a workbench surface 51, a linear moving mechanism 52 and a rotating mechanism 53, wherein the linear moving mechanism 52 and the rotating mechanism 53 are arranged below the workbench surface 51, the linear moving mechanism 52 is arranged above the rotating mechanism 53, the rotating mechanism 53 is rotatably arranged on the workbench frame 4, and the rotating mechanism 53 is driven to rotate through a rotary driving device, and the rotary driving device is connected with a control system.
The mirror polishing tool 2 is provided on the table 4 so as to be movable up and down by a control system. The specific mirror polishing cutter 2 is in self-locking sliding connection with a sliding rail 7 arranged on the working bench through a sliding block 6, so that the position adjustment of the mirror polishing cutter 2 can be realized, and the polishing requirements of laser groove bottoms on different laser groove plates can be met. And the slide rail 7 is vertically disposed along the work bench 4 so that the mirror polishing tool is also disposed above the laser groove plate to be polished in a vertical direction.
The mirror polishing tool 2 is connected with a driving device 8 arranged on the mounting rack 4, and the driving device is controlled by the control system to drive the mirror polishing tool 2 to rotate.
As shown in fig. 2 and 3, the mirror polishing cutter 2 comprises a wool felt grinding wheel 21, wherein the wool felt grinding wheel 21 comprises a central main body part 28 and an edge polishing part 29, and a mirror polishing surface 22 is arranged on the outer circumference of the wool felt grinding wheel 21; the mirror polishing cutter 2 further comprises metal supporting pieces 23 which are arranged on two sides of the wool felt grinding wheel and used for stably supporting the wool felt grinding wheel, and the metal supporting pieces 23 are fixedly connected with the wool felt grinding wheel 21 through fastening pieces 24. The center of the wool felt grinding wheel 21 is provided with a cutter shaft mounting hole 27, a cutter shaft is mounted in the cutter shaft mounting hole 27, and the cutter shaft is connected with a driving device.
In this embodiment, the thickness of the central main body portion of the felt grinding wheel 21 is greater than the thickness of the edge polishing portion of the felt grinding wheel, and the mirror polishing surface 22 is disposed along the circumferential direction of the polishing portion. In this embodiment, the structure of wool felt emery wheel 21 is the unequal thickness structure that the edge is thin, the center is thick, specific wool felt emery wheel includes the polishing part and the inside main part of edge, can satisfy the edge like this and get into in the tank bottom of laser groove, fully contact with the tank bottom and polish the requirement, and the thick structure in center can guarantee the intensity of use of wool felt emery wheel, a plurality of circular arc breach 25 have evenly been seted up at the edge of wool felt emery wheel 21, circular arc breach divides mirror surface polished surface 22 into a plurality of independent mirror surface polished surface, in this embodiment, circular arc breach 25 equipartition has 10, specific quantity is according to wool felt emery wheel's whole diameter and polishing speed and is selected to set up. The splash of the polishing liquid in the polishing process can be reduced through the arc notch 25, so that the polishing liquid can effectively stay in the arc notch 25, the polishing effect is ensured, and the using amount of the polishing liquid is saved. In this embodiment, the thickness of the polishing portion of the wool felt grinding wheel 21 is slightly smaller than the groove width of the laser groove, the depth of the polishing portion is greater than the depth of the laser groove, for example, is smaller than the groove width of 0.2mm of the laser groove, and the edge is arranged in a circular arc structure in cooperation with the groove bottom of the laser groove, so that when in use, the polishing portion extends into the groove bottom of the laser groove to realize one-time overall polishing of the groove bottom, and the thickness of the main body portion with a thick center is at least more than twice the thickness of the polishing portion, and in order to realize the stability requirement in the polishing process, the main body portion is arranged in a gradually thickened structure from the polishing portion to the center thickness. The wool felt grinding wheel has the advantages that the wool felt grinding wheel can always keep good stability in the polishing process, the polishing effect can be effectively guaranteed, the polishing quality is improved, and the mirror surface degree in the laser groove can meet higher requirements.
The metal support piece 23 adopts the backing sheet that adopts the metal material to make, is provided with a metal support piece respectively at wool felt emery wheel 21 both sides face, and the diameter of metal support piece is less than the diameter of the biggest excircle of main part and is greater than the radius of wool felt emery wheel, and the outer annular limit of metal support piece is integrative towards wool felt emery wheel one side is provided with bellied snap ring 26. In a specific connection mode, in the embodiment, two metal supporting sheets are connected with the wool felt grinding wheel through six metal rivets, so that the stability of the wool felt grinding wheel is improved. The two metal supporting sheets and the wool felt grinding wheel 21 are fastened and fixed through the metal rivets, so that the stability of the cutter after being integrally arranged on the working bench can be ensured. The polishing cutter has the advantages of simple structure, convenience, practicability, simple operation in cutter manufacturing process, convenience and high efficiency, capability of comprehensively polishing the bottom of the laser groove plate, great guarantee on polishing quality and good polishing effect.
In order to solve the problem of complicated manual polishing liquid addition, the application designs the small automatic polishing liquid adding device 3, and adds the polishing liquid through automatic pressure storage so as to automatically add the polishing liquid to the mirror polishing cutter in the polishing process of the mirror polishing cutter, thereby realizing the full-automatic design of the laser groove bottom polishing.
As shown in fig. 4, the polishing solution automatic adding device comprises a device body 32, wherein an air pressure cavity 34 is arranged in the device body 32, an air inlet 35 and a connecting port 36 which are communicated with the inside of the air pressure cavity 34 are formed in the device body 32 along the same axis, the air inlet 35 is connected with a pneumatic pump connecting piece 10, the pneumatic pump connecting piece 10 comprises an air storage cavity 101 connected with an external pneumatic pump and an air outlet pipe 102 connected with the air pressure cavity 34, and the pneumatic pump connecting piece is used for storing and pressurizing pressure gas in the pneumatic pump connecting piece and then conveying the pressurized gas into the air pressure cavity. A polishing solution storage device 33 is arranged on the connecting port 36, the polishing solution storage device 33 is a tank body with a liquid pressing cavity 37, a liquid pushing opening 39 is arranged at one end of the liquid pressing cavity 37 facing the inside of the air pressure cavity 34, a liquid outlet 38 is arranged at the other end of the liquid pressing cavity 37, a liquid outlet pipe 9 is coaxially arranged on the liquid outlet 38, and a liquid outlet nozzle 91 is arranged at the outlet end of the liquid outlet pipe 9.
The secondary pressurizing and liquid pushing integrated mechanism 31 comprises a liquid pushing plug 310 and a pneumatic plug 311 which are integrally arranged, wherein the liquid pushing plug 311 is arranged in the liquid pressing cavity 37 in a sealing sliding manner, and the pneumatic plug 311 is arranged in the pneumatic cavity 34. The liquid pushing plug 310 is in sliding sealing fit with the cavity wall of the liquid pressing cavity 37 in the polishing liquid storage device, and the liquid pushing plug 310 penetrates through the liquid pushing opening to be arranged in the liquid pressing cavity 37 in a sealing sliding manner; the air pressure plug 311 is arranged inside the air pressure cavity 34, the diameter of the air pressure plug 311 is larger than or equal to that of the liquid pushing plug 310, and the air pressure plug 311, the air inlet 35, the liquid pushing plug 310, the liquid pressing cavity 37 and the liquid outlet 38 are all arranged along the same axis.
The pneumatic pump connecting piece 10 realizes carrying out primary pressurization to the gas of outside air pump input, then enters into the inside of pneumatic cavity 34 and carries out secondary pressurization, and the gaseous effect after the secondary pressurization is on the pneumatic plug 311, produces continuous stable thrust to the pneumatic plug 311, promotes the pneumatic plug and moves towards drain pipe one end, and at this moment, the inside slip of liquid pushing plug 310 in liquid pressing cavity 37 will exist the inside polishing liquid 15 of liquid pressing cavity 37 and promote the drain pipe, and polishing liquid 15 spouts onto the wool felt emery wheel from the play liquid spout of drain pipe, cools off the mirror polishing cutter.
The device body 32 is also provided with a magnet fixing block 13, and the magnet fixing block 13 is used for fixing the polishing liquid automatic adding device on a working bench according to the requirement, so that the polishing liquid can be continuously and stably supplied to the polishing tool in the polishing process. This automatic device that adds of polishing solution, simple structure, convenient and practical can fix wantonly according to actual position to realize adding the polishing solution to wool felt emery wheel, convenient high efficiency.
In this embodiment, the method for mirror polishing the bottom of the laser groove by the mirror polishing device in the laser groove plate groove comprises the following steps:
step 1: fixing the wool felt grinding wheel 21 on a workbench rack 4 through a metal supporting piece 23 and a fastening piece 23, magnetically sucking the polishing liquid automatic adding device 3 to a proper position on the workbench rack 4, and aligning the liquid outlet pipe 9 with the wool felt grinding wheel 21; specifically, the wool felt grinding wheel is fixed on a driving device of a working bench through a metal supporting ring piece and a metal rivet, a metal protection plate 14 is arranged on the outer side of the wool felt grinding wheel to protect the wool felt grinding wheel and improve the safe processing degree, a polishing liquid automatic adding device is magnetically attracted to a proper position outside the metal protection plate 14 through a magnet fixing block 13, and a liquid outlet pipe 9 is aligned with the wool felt grinding wheel;
step 2: rough polishing is carried out on the laser groove: installing the laser groove plate 1 to be polished on a moving platform 5, adjusting a wool felt grinding wheel 21 to enable the wool felt grinding wheel to contact a laser groove 12 on the laser groove plate to be polished, then cutting the wool felt grinding wheel by 0.02mm, starting an automatic pressure storage polishing liquid adding device 3, continuously adding polishing liquid into the wool felt grinding wheel 21, running the wool felt grinding wheel along the laser groove 12 after the cutting amount is reached, polishing the groove bottom through a polishing mirror surface 22, and simultaneously driving the laser groove plate to be heated to move in a Z shape according to the shape of the laser groove by the moving platform 5 to realize rough polishing of all the laser grooves;
step 3: performing secondary rough polishing on the laser groove: adjusting the cutter setting amount of the wool felt grinding wheel to be 0.005mm, and performing blank running on the wool felt grinding wheel at least 9 times along a laser groove after the cutter setting amount is reached, and performing rough polishing on the groove bottom through a polishing mirror surface 22 to finish secondary rough polishing;
step 4: and (3) carrying out fine polishing on the laser groove: the cutter setting amount of the wool felt grinding wheel is adjusted to be 0.005mm, the wool felt grinding wheel runs empty along the laser groove after the cutter setting amount is reached, the groove bottom is subjected to fine polishing through the polishing mirror surface 22 until the roughness reaches less than Ra0.2 and the mirror surface effect is achieved, and the fine polishing is completed.
Example 2:
in the embodiment shown in fig. 5, the laser groove plate comprises a groove plate body with a cuboid structure, the groove plate body is provided with laser grooves which are integrally arranged in a zigzag shape, the length of the groove plate body is 500mm, the width of the groove plate body is 50mm, the thickness of the groove plate body is 4.3mm, the groove width of the zigzag laser groove on the surface of the groove plate body is 2.8mm, the groove depth is 2.8mm, and the groove bottom is in a circular arc shape. The bottom of the laser groove is polished with a mirror surface so that the roughness of the laser groove reaches less than Ra0.2 to meet the requirement of the mirror surface effect.
The technical scheme of the mirror polishing device in the groove of the laser groove plate in the embodiment is basically the same as that of the embodiment 1, and the difference is that: the mirror polishing tool 2 includes a felt grinding wheel 21, in this embodiment, the thickness of the main body portion of the felt grinding wheel 21 is 3 times the thickness of the polishing portion, and the thickness of the main body portion 28 is equal, and the polishing portion 29 is arranged from the center to the outside in a stepped structure, and the unequal thickness structure of the main body portion and the polishing portion enables the felt grinding wheel to maintain good stability all the time in the polishing process. The polishing part is of a stepped structure, so that the strength design requirement can be met, the polishing requirement of the bottom of the laser groove can also be met, and the polishing part can extend into the laser groove for polishing. In this embodiment, the polishing liquid automatic adding device 3 is directly adsorbed on the work bench 4 through the magnetic attraction fixing block.
The laser groove plate groove inner mirror polishing device in the embodiment can work at a high rotating speed, can finish polishing processing faster, is high in mechanical polishing stability, can increase the groove bottom surface mirror effect and reduce the surface roughness, is long in service life of a mirror polishing cutter, can be independently disassembled to replace a wool felt grinding wheel, and reduces processing cost. The automatic polishing liquid adding device is used for automatically adding the polishing liquid in an air pressure mode, the automatic polishing liquid adding device can be connected with an air pressure pump on the workbench frame, and is fixed with the workbench frame through the magnet fixing block, and the automatic continuous polishing liquid adding device is used for automatically and continuously adding the polishing liquid through the pushing effect of air pressure during operation. The laser groove plate is driven by the moving platform to adjust the relative position of the laser groove and the mirror polishing cutter according to the control of the control program, so that one-time automatic polishing is realized, the degree of automation is high, and efficient and high-quality mirror polishing of the bottom of the laser groove can be realized.
It should be noted that the above-described embodiments are merely illustrative of the principles of the present application, and that various changes and modifications can be made therein without departing from the scope of the application as defined in the appended claims. All other embodiments obtained by a person skilled in the art on the basis of the technical solution of the present application without making any creative effort shall fall within the protection scope of the present application based on the embodiments described in the present application.
Claims (10)
1. A mirror polishing device in a laser groove plate groove is characterized in that: comprises a mirror polishing cutter (2) for realizing mirror polishing of the bottom of a laser groove to be polished and a polishing liquid automatic adding device (3) for automatically storing and adding polishing liquid under pressure to the mirror polishing cutter (2); the mirror polishing cutter (2) comprises a wool felt grinding wheel (21), and a mirror polishing surface (22) is arranged on the wool felt grinding wheel; the polishing solution automatic adding device (3) is provided with a secondary pressurizing and liquid pushing integrated mechanism (31).
2. The laser groove plate in-groove mirror polishing apparatus according to claim 1, wherein: the wool felt grinding wheel (21) comprises a central main body part (28) and an edge polishing part (29), the thickness of the central main body part (28) of the wool felt grinding wheel (21) is larger than that of the edge polishing part (29) of the wool felt grinding wheel, and the mirror polishing surface (22) is arranged to be circular along the periphery of the polishing part.
3. The laser groove plate in-groove mirror polishing apparatus according to claim 2, wherein: the thickness of the wool felt grinding wheel (21) is in a progressive decreasing structure with unequal thickness from the central main body part to the edge polishing part, or the thickness of the wool felt grinding wheel (21) is in a step decreasing structure from the central main body part to the edge polishing part.
4. A laser groove plate in-groove mirror polishing apparatus according to any one of claims 1 to 3, wherein: the center of wool felt grinding wheel (21) be provided with arbor mounting hole (27), wool felt grinding wheel (21) edge polishing portion on along circumference offer a plurality of convex breach (25).
5. The laser groove plate in-groove mirror polishing apparatus according to claim 1, wherein: the mirror polishing cutter (2) further comprises metal supporting pieces (23) which are arranged on two sides of the wool felt grinding wheel (21) and used for stably supporting the wool felt grinding wheel, and the metal supporting pieces (23) are fixedly connected with the wool felt grinding wheel (21) through fastening pieces (24).
6. The laser groove plate in-groove mirror polishing apparatus according to claim 5, wherein: the metal support piece (23) is a metal support ring piece, and a raised clamping ring (26) is integrally arranged on one side of the outer ring edge of the metal support piece (23) towards the wool felt grinding wheel.
7. A laser groove plate in-groove mirror polishing apparatus according to any one of claims 1 to 3, wherein: the polishing solution automatic adding device (3) comprises a device body (32) and a polishing solution storage device (33), an air pressure cavity (34) is formed in the device body (32), an air inlet (35) and a connecting port (36) which are communicated with the air pressure cavity (34) are formed in the device body (32) along the same axis, the polishing solution storage device (33) is arranged at the connecting port (36), and the secondary pressurizing and liquid pushing integrated mechanism (31) is movably arranged in the air pressure cavity (34) and the polishing solution storage device (33).
8. The laser groove plate in-groove mirror polishing apparatus according to claim 7, wherein: the polishing solution existence device (33) is a tank body with a liquid pressure cavity (37), the opening end of the liquid pressure cavity of the tank body is arranged in the air pressure cavity (34) and is communicated with the air pressure cavity (34), a liquid outlet (38) is coaxially arranged at one end opposite to the opening of the liquid pressure cavity, the liquid outlet (38) is connected with a liquid outlet pipe (9), and a liquid outlet nozzle (91) is arranged at the outlet end of the liquid outlet pipe (9); the secondary pressurizing and liquid pushing integrated mechanism (31) comprises a liquid pushing plug (310) and a pneumatic plug (311) which are integrally arranged, the liquid pushing plug (311) is arranged in the liquid pressing cavity (37) in a sealing sliding mode, and the pneumatic plug (310) is arranged in the pneumatic cavity (34).
9. The laser groove plate in-groove mirror polishing apparatus according to claim 7, wherein: the air inlet (35) is connected with a pneumatic pump connecting piece (10), and the pneumatic pump connecting piece (10) comprises an air storage cavity (101) connected with an external pneumatic pump and an air outlet pipe (102) connected with the air pressure cavity (34).
10. A method of polishing by using the mirror polishing apparatus in a slot of a laser slot plate as claimed in any one of claims 1 to 9, comprising the steps of:
step 1: fixing the wool felt grinding wheel (21) on a working bench (4) through a metal supporting piece (23) and a fastening piece (23), magnetically sucking the polishing liquid automatic adding device (3) to a proper position on the working bench (4), and aligning a liquid outlet pipe (9) with the wool felt grinding wheel (21);
step 2: rough polishing is carried out on the laser groove: installing the laser groove plate (1) to be polished on a moving platform (5), adjusting the wool felt grinding wheel (21) to enable the wool felt grinding wheel to be in contact with the laser groove (12) on the laser groove plate, then cutting the wool felt grinding wheel (21) by 0.02mm, starting an automatic polishing liquid adding device (3), continuously adding the polishing liquid (15) into the wool felt grinding wheel (21), and enabling the wool felt grinding wheel (21) to run empty along the laser groove (12) after the cutting amount is reached, and meanwhile, driving the laser groove plate (1) to be polished to move according to the shape of the laser groove (12) by the moving platform (5) so as to realize rough polishing of all the laser grooves (12);
step 3: performing secondary rough polishing on the laser groove: adjusting the cutter setting amount of the wool felt grinding wheel (21) to be 0.005mm, and carrying out blank running on the wool felt grinding wheel (21) along the laser groove (12) for at least 9 times after the cutter setting amount is reached, and carrying out rough polishing on the groove bottom through a polishing mirror surface (22) to finish secondary rough polishing;
step 4: and (3) carrying out fine polishing on the laser groove: the cutter feeding amount of the wool felt grinding wheel (21) is adjusted to be 0.005mm, the wool felt grinding wheel (21) runs empty along the laser groove (12) after the cutter feeding amount is reached, the groove bottom is subjected to fine polishing through the polishing mirror surface (22) until the roughness reaches below Ra0.2 and the mirror surface effect is achieved, and the fine polishing is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211435300.3A CN116587143A (en) | 2022-11-16 | 2022-11-16 | Mirror polishing device in laser groove plate groove and polishing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211435300.3A CN116587143A (en) | 2022-11-16 | 2022-11-16 | Mirror polishing device in laser groove plate groove and polishing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116587143A true CN116587143A (en) | 2023-08-15 |
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ID=87603216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211435300.3A Pending CN116587143A (en) | 2022-11-16 | 2022-11-16 | Mirror polishing device in laser groove plate groove and polishing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116587143A (en) |
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2022
- 2022-11-16 CN CN202211435300.3A patent/CN116587143A/en active Pending
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