CN111136593A - A preparation device and preparation method of a consolidated grinding and polishing pad with a complex flow channel structure - Google Patents
A preparation device and preparation method of a consolidated grinding and polishing pad with a complex flow channel structure Download PDFInfo
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- CN111136593A CN111136593A CN202010041706.8A CN202010041706A CN111136593A CN 111136593 A CN111136593 A CN 111136593A CN 202010041706 A CN202010041706 A CN 202010041706A CN 111136593 A CN111136593 A CN 111136593A
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- 238000000227 grinding Methods 0.000 title claims abstract description 46
- 238000005498 polishing Methods 0.000 title claims abstract description 39
- 238000002360 preparation method Methods 0.000 title claims abstract description 33
- 230000033001 locomotion Effects 0.000 claims abstract description 34
- 238000012545 processing Methods 0.000 claims abstract description 26
- 238000001723 curing Methods 0.000 claims abstract description 17
- 238000010438 heat treatment Methods 0.000 claims abstract description 14
- 238000010146 3D printing Methods 0.000 claims abstract description 6
- 230000007246 mechanism Effects 0.000 claims abstract description 5
- 238000011417 postcuring Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 238000001029 thermal curing Methods 0.000 abstract description 5
- 239000002994 raw material Substances 0.000 description 25
- 238000007596 consolidation process Methods 0.000 description 13
- 239000011148 porous material Substances 0.000 description 12
- 230000008569 process Effects 0.000 description 10
- 239000003082 abrasive agent Substances 0.000 description 6
- 238000013007 heat curing Methods 0.000 description 6
- 238000007711 solidification Methods 0.000 description 5
- 230000008023 solidification Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000000016 photochemical curing Methods 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 238000004220 aggregation Methods 0.000 description 3
- 230000002776 aggregation Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 229910000420 cerium oxide Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002959 polymer blend Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 238000001132 ultrasonic dispersion Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D18/00—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
- B24D18/009—Tools not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y80/00—Products made by additive manufacturing
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
本发明公开一种具有复杂流道结构的固结研抛垫制备装置及制备方法，包括：供料系统、加工系统、XYZ运动系统、控制系统。采用本发明所设计的装置根据所设计的结构进行3D打印；若为热引发固化则启动加热机构，若为光引发固化启动光紫外光源；对打印好的固结磨料研抛垫进行后固化处理；加热10‑30min即可。本发明能够实现具有复杂内部流道、不同类型的固结磨料研磨垫的制备，能够集光固化和热固化为一体、实现半自动化生产、大大提高了研磨垫的制备效率。
The invention discloses a preparation device and preparation method of a consolidated grinding and polishing pad with a complex flow channel structure, comprising: a feeding system, a processing system, an XYZ motion system and a control system. The device designed by the present invention is used for 3D printing according to the designed structure; if it is thermally induced curing, the heating mechanism is activated, if it is photoinitiated curing, the UV light source is activated; the printed bonded abrasive polishing pad is subjected to post-curing treatment ; Heating for 10-30min. The invention can realize the preparation of different types of fixed abrasive grinding pads with complex internal flow channels, integrate light curing and thermal curing, realize semi-automatic production, and greatly improve the preparation efficiency of the grinding pads.
Description
Technical Field
The invention relates to the technical field of ultra-precision machining, in particular to a device and a method for preparing a consolidation polishing pad with a complex flow channel structure.
Background
The fixed abrasive machining is a new development trend of ultra-precision machining, so that the preparation of polishing pads is always a problem of great concern. In addition, the pore structure of the grinding pad has great influence on the processing quality of the grinding pad, however, the fixed abrasive grinding and polishing pad prepared by the prior art has simple pore structure, cannot form complicated flow fields and flow channels, and is difficult to meet the requirements of fluid infusion and chip input in the processing process. The traditional manufacturing process of the fixed abrasive grinding pad is as follows: mixing abrasive and high polymer → mechanical stirring → ultrasonic dispersion → resin matrix → injection molding light/thermosetting molding → post-curing treatment → finished product. According to the traditional manufacturing process, the pores are mainly realized by a pore-forming agent, and the size and the distribution of the pores are difficult to control; in the polishing process, the communication of the inner pore passages of the polishing pad is difficult to realize to form a complex flow passage, and the conveying and accommodating performance of the grinding debris is poor. In addition, the conventional preparation method requires respective preparation of corresponding dies for the preparation of the fixed abrasive polishing with different surface convex shapes or sizes, which increases the cost and reduces the efficiency. Therefore, the existing fixed abrasive polishing pad has complex preparation process and high preparation cost, and the performance of the prepared fixed abrasive polishing pad can not meet the processing requirement.
Disclosure of Invention
The invention aims to provide a device and a method for preparing a consolidation polishing pad with a complex flow channel structure, which are used for solving the problems in the prior art, simplifying the process of consolidating an abrasive grinding pad, integrating light curing and heat curing, reducing the cost, improving the efficiency and realizing semi-automatic production.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a consolidation polishing pad preparation device with a complex flow channel structure, which comprises a feeding system, a processing system and an XYZ motion system, wherein the feeding system, the processing system and the XYZ motion system are electrically connected with a control system, the feeding system comprises a material box, a conveying pipe and a discharging device, two ends of the conveying pipe are respectively connected with the material box and the discharging device, the processing system comprises a workbench arranged in a box body, the XYZ motion system comprises an I-shaped guide rail group and an electric jack, the discharging device is arranged on the I-shaped guide rail group and positioned at the top of the workbench, the electric jack is embedded at the bottom of the box body, and the workbench is arranged on the electric jack.
Preferably, a stirrer driven by a motor II is arranged in the blanking device, a conical groove is arranged at the upper end of a blanking port in the blanking device, and a nozzle is arranged at the tail end of the blanking port; and a preheating resistance wire is arranged at the periphery of the blanking device.
Preferably, a heating resistance wire and an ultraviolet lamp are arranged in the box body.
Preferably, the I-shaped guide rail set comprises a Y-axis lead screw and two X-axis lead screws arranged in parallel, two ends of the Y-axis lead screw are respectively arranged on the two X-axis lead screws in a sliding mode through lead screw nuts, and the blanking device is fixedly connected with the lead screw nuts of the Y-axis lead screws.
Preferably, two ends of the two X-axis lead screws are fixedly arranged on the inner side wall of the box body through a supporting plate, and one end of each X-axis lead screw extends out of the outer side of the box body and is in transmission connection with a driving motor III; one end of the Y-axis lead screw is connected with a first driving motor in a transmission manner.
Preferably, two guide rails are connected between the support plates at two sides of the X-axis screw rod, the two guide rails are symmetrically positioned at two sides of the screw rod, and the first sliding block is slidably mounted on the two guide rails and is fixedly connected with a screw nut of the X-axis screw rod; and two ends of the Y-axis screw rod are respectively and fixedly connected with the first sliding blocks on the two X-axis screw rods.
Preferably, two guide rails are connected between the first sliding blocks, the two guide rails are symmetrically positioned on two sides of the Y-axis lead screw, and the second sliding blocks are slidably mounted on the two guide rails and fixedly connected with a lead screw nut of the Y-axis lead screw; and the blanking device is fixed on the second sliding block.
Preferably, one side of the box body is provided with a door, and one side of the door is connected with the box body through a hinge.
The invention also provides a preparation method of the consolidation polishing pad with the complex flow passage structure, which is applied to the preparation device of the consolidation polishing pad with the complex flow passage structure and comprises the following steps:
1) designing a complex flow field and flow channel structure in the fixed abrasive grinding and polishing pad according to the processing requirement; 2) selecting the type, granularity and concentration of the abrasive material required by preparing the fixed abrasive material polishing pad; selecting the type and concentration of a base material required for preparing a fixed abrasive polishing pad and the type and concentration required by a related accelerator and a curing agent; 3) respectively adding the mixture which is fully stirred and added with the accelerator and the mixture which is added with the curing agent into two different material boxes in a consolidation polishing pad preparation device with a complex flow channel structure; 4) 3D printing is carried out by adopting a preparation device according to the designed structure; if the curing is initiated by heat, the heating mechanism is started, and if the curing is initiated by light, the ultraviolet light source is started; 5) carrying out post-curing treatment on the printed fixed abrasive polishing pad; heating for 10-30 min.
Compared with the prior art, the invention has the following technical effects:
the invention skillfully integrates the 3D printing technology with the traditional manufacturing process of the fixed abrasive grinding pad. Ordered pores of the grinding pad can be realized by using modern hotter 3D printing technology; the constraint of the die can be got rid of by using the equipment; the photo-curing and the thermal curing are integrated, the random switching between the photo-curing and the thermal curing can be realized, and the curing treatment mode that some abrasives such as cerium oxide can not be cured by photo-curing but can be cured by thermal curing is avoided; the manufacturing efficiency of the grinding pad is improved; semi-automatic production can be realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural view of a main body part in the present invention;
FIG. 2 is a schematic view of the internal structure of the case of the present invention;
FIGS. 3a and 3b are schematic structural views of the blanking apparatus of the present invention;
FIG. 4 is a schematic view of the XY motion system of the present invention;
FIG. 5 is a schematic view of the upper and lower equiangular axes of the present invention;
fig. 6 is a schematic view of the main structure of the present invention.
In the figure: 1. a door; 2. a hinge; 3. a safety valve; 4. a box body; 5. an ultraviolet lamp; 6. a lamp holder; 7. heating resistance wires; 8. a Y-axis lead screw; 9. an electric wire; 10, a first motor; 11. a first sliding block; 12. a first material conveying pipe; 13. a pump body; 14. a second conveying pipe; 15. a second motor; 16. a second sliding block; 17. a miniature electric jack; 18. a work table; 19. a stirrer; 20. a feeding port; 21. a third motor; 22. a nozzle; 23. an X-axis lead screw; 24. a support plate; 25 a joint; 26. preheating a resistance wire; 27. a material box; 28, an external connecting pipe; 29. a data line; 30. a computer; 31. a blanking device; 32 connecting blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a device and a method for preparing a consolidation polishing pad with a complex flow channel structure, which are used for solving the problems in the prior art, simplifying the process of consolidating an abrasive grinding pad, integrating light curing and heat curing, reducing the cost, improving the efficiency and realizing semi-automatic production.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1 to 6, the present embodiment provides a consolidation polishing pad preparation apparatus with a complex flow channel structure and a preparation method thereof, wherein the preparation apparatus includes: the device comprises four main parts, namely a feeding system, a processing system, an XYZ motion system and a control system. The pore can be controlled, the mould is saved, and the light/heat curing is integrated.
Further, the feeding system enables the raw materials to be conveyed to the blanking device 31 in the box body 4 from the conveying pipe through the pressure supplied by the pump from the material box, when the raw materials are conveyed to the blanking device 31, the stirrer 19 in the blanking device 31 stirs the raw materials again, the stirrer 19 is driven by the second motor 15, internal aggregation caused by accumulation at certain positions in the raw material transportation process is avoided, the preheating resistance wire 26 is arranged around the blanking device 31 and conducts preheating treatment on the raw materials, the upper end of the blanking port 20 in the blanking device 31 is provided with a conical groove, so that the raw materials can flow to the nozzle 22 from the blanking port 20 uninterruptedly, and the function of feeding the solidified abrasive grinding pad is achieved.
Further, the processing system is that the raw materials pile up layer by layer under XYZ motion system after 22 blowout of nozzle on workstation 18, select different solidification mode according to the difference of abrasive material, can reach operating temperature after heating through heating resistor silk 7 in the box 4, reach operating temperature (ultraviolet lamp 5 fixes the top at box 4 through lighting fixture 6) through the purple light irradiation in the box 4, after the raw materials pile up layer by layer on workstation 18, because heating resistor silk 7 or ultraviolet lamp 5 in the box 4, the raw materials piled up layer by layer will solidify very fast, thereby realize the solidification of consolidation abrasive material grinding pad, accomplish the preparation function of consolidation abrasive material grinding pad.
Further, the XYZ motion system is composed of an I-shaped guide rail set and a miniature electric jack 17. The pattern, the pores, the depth of the grooves and the escape from the die constraint of the grinding pad are realized by an XYZ motion system. The I-shaped guide rail is a mechanism for controlling an XY axis motion system and comprises two ball screws, a slide block, a motor and a support plate, two longitudinal beams of the I-shaped guide rail are fixed in the box body 4 through the support plate, the blanking device 31 is installed on a cross beam of the I-shaped guide rail group, is controlled by a specific software program and is driven by the three motors, and therefore motion in an XY plane is achieved. The Z-axis movement is mainly completed by a miniature electric jack 17, the miniature electric jack 17 is embedded at the bottom of the box body 4 and is controlled by a specific software program and an internal displacement sensor, so that the movement in the Z-axis direction is realized. The preparation function of the fixed abrasive grinding pad is realized through the matching of an XYZ system, a feeding system and a processing system. The specific coordination of the XYZ motion system is implemented as follows: setting the initial position of an XYZ motion system by a control system, wherein the Z axis is fixed when the first layer is processed, and the control system controls the XY axes to move in a plane to complete the processing of the first layer; when the second layer is processed, the control system controls the Z axis to move downwards for a certain distance with certain precision, the control system starts to control the XY axis to move in a plane, the second layer is stacked, and the XYZ motion system moves until the grinding pad is processed.
Further, the i-shaped guide rail set comprises a Y-axis lead screw 8 and two X-axis lead screws 23 arranged in parallel, two ends of the Y-axis lead screw 8 are respectively arranged on the two X-axis lead screws 23 in a sliding mode through lead screw nuts, and the blanking device 31 is fixedly connected with the lead screw nuts of the Y-axis lead screws 8. Two ends of the two X-axis lead screws 23 are fixedly arranged on the inner side wall of the box body 4 through a supporting plate 24, and one end of each X-axis lead screw 23 extends out of the outer side of the box body 4 and is in transmission connection with a motor III 21; one end of the Y-axis screw 8 is connected with a first motor 10 in a transmission way. Two guide rails are connected between the support plates 24 on the two sides of the X-axis screw 23, the two guide rails are symmetrically positioned on the two sides of the screw, and the first sliding block 11 is slidably mounted on the two guide rails and is fixedly connected with a screw nut of the X-axis screw 23; two ends of the Y-axis screw 8 are respectively fixedly connected with the first sliding blocks 11 on the two X-axis screws 23. Two guide rails are connected between the two first sliding blocks 11, the two guide rails are symmetrically positioned on two sides of the Y-axis screw 8, and the second sliding blocks 16 are slidably mounted on the two guide rails and fixedly connected with screw nuts of the Y-axis screw 8; the blanking device 31 is fixed on the second sliding block 16. Each motor is connected with a computer 30 through an electric wire 9.
One side of box 4 is provided with door 1, and one side of door 1 is connected with box 4 through hinge 2.
Further, the control system is composed of a computer 30 and a specific software program. The structural parameters of the polishing pad are set by a specific software program. The feeding system, the processing system and the XYZ motion system are connected with the computer 30 through the connector assembly, and are controlled by a software program, so that the ordered and stable matching of the systems is realized, and the preparation function of the fixed abrasive grinding pad is completed.
Preferably, the connection between the feed pipe and the box 4 is sealed in order to achieve a constant temperature function in the box 4.
Preferably, in order to control the precision of the Z-axis micro-jack, a displacement sensor is arranged in the Z-axis micro-jack, so that the precision of the micro-electric jack can be controlled.
Preferably, in order to increase the movement stroke of the blanking device 31, two motors controlling the i-shaped rail longitudinal beams are installed outside the box 4.
Preferably, a safety valve 3 is arranged on the top of the box body 4 in order to ensure the safety of the manufacturing process.
The invention discloses a preparation method of a consolidation polishing pad with a complex flow passage structure, which comprises the following steps: the manufacturing process of the traditional grinding pad is fused with the modern 3D printing technology; designing the pattern, the pores and the depth of the grooves of the grinding pad by using a specific software program → selecting an abrasive and a high polymer mixture → separating the raw materials into two material boxes → processing the raw materials by using the equipment of the invention → waiting for 5 to 10 minutes after finishing the processing and then taking out the cushion.
The invention can realize the controllable pore of the fixed abrasive grinding pad, integrates the light curing and the heat curing of different types of grinding pads without using different moulds, realizes the semi-automatic production and greatly improves the preparation efficiency of the grinding pad.
Fig. 1 is a schematic view of a part of the main structure of the present invention, and in order to make the main parts of the present invention more clearly shown, the computer 30 and the data line 29 are removed, and the position of the computer can be clearly seen in the upper and lower diagonal views of fig. 5 and the schematic view of the main structure of fig. 6. As can be seen from fig. 1 to 6, the present invention includes: the device comprises a feeding system, a processing system, an XYZ motion system and a control system.
As can be seen in detail from fig. 1 to 6, the specific operation of the feeding system is as follows: the raw materials are conveyed from the material box 27 to the blanking device 31 in the box body 4 through the first conveying pipe 12 and the second conveying pipe 14 under the pressure supplied by the pump 13, when the raw materials are conveyed to the blanking device 31, the stirrer 19 in the blanking device 31 stirs the raw materials again, the stirrer 19 is driven by the second motor 15, internal aggregation caused by accumulation at certain positions in the raw material transportation process is avoided, the upper end of the blanking port 20 in the blanking device 31 is provided with a conical groove, and the conical groove is used for enabling the raw materials to flow to the nozzle 22 from the blanking port 20 uninterruptedly, so that the feeding function is realized.
As can be seen in detail in fig. 1, the specific working process of the processing system is as follows: the raw materials are sprayed out by the nozzle 22 and then stacked layer by layer on the workbench 18 through an XYZ motion system, according to different components of the grinding pad, the heating resistance wire 7 in the box body 4 is selected for thermocuring or the ultraviolet lamp 5 is selected for photocuring, and the raw materials stacked layer by layer can be cured quickly, so that the solidification of the solidified abrasive grinding pad is realized, and the processing function of the solidified abrasive grinding pad is completed.
As can be seen in detail from fig. 1, 2 and 4, the i-shaped guide rail set in the XYZ motion system is a mechanism for controlling the XY-axis motion system, and is composed of three ball screws, two longitudinal beams are fixed in the box body 4 through the support plate 24, the blanking device 31 is installed on a cross beam of the i-shaped guide rail set, and is controlled by a specific software program and driven by three motors, so as to realize motion in the XY plane. The Z-axis movement is mainly completed by a micro electric jack 17, the micro electric jack 17 is embedded at the bottom of the box body 4, and the precision of the micro electric jack is controlled by a specific software program and an internal displacement sensor, so that the movement in the Z-axis direction is realized. Thereby realizing the controllable depth of the pattern, the pore and the groove of the grinding pad and getting rid of the restriction of the die.
As can be seen in detail in fig. 5, the control system comprises: a computer 30, a data line 29, and a specific software program. The control system is used for connecting the feeding system, the processing system and the XYZ motion system, so that the whole system can work orderly and stably, and the preparation of the fixed abrasive grinding pad is realized.
Under the combined action of the four systems of the feeding system, the processing system, the XYZ motion system and the control system, the controllable pore space of the fixed abrasive grinding pad is realized, different dies are not needed for processing different grinding pads, the light curing and the heat curing are integrated and can be switched along with different processing, the semi-automatic production is realized, and the preparation efficiency of the grinding pad is greatly improved.
The detailed working process of the consolidation polishing pad preparation device with the complex flow passage structure is as follows:
the specific parameters set by the control system comprise: the initial position of the XYZ motion system and the motion trail of the XYZ motion system select the ultraviolet lamp 5 or the heating resistance wire 7 and the like according to the requirements of light curing or heat curing. The specific working process is as follows: the raw materials are put into a bin 27 and are conveyed to a blanking device 31 in a box body 4 from a first conveying pipe 12 and a second conveying pipe 14 through the pressure given by a pump body 13, when the raw materials are conveyed to the blanking device 31, a stirrer 19 in the blanking device 31 stirs the raw materials again, the stirrer 19 is driven by a second motor 15 to avoid internal aggregation caused by accumulation at certain positions in the raw material conveying process, a conical groove is arranged at the upper end of a blanking port 20 in the blanking device 31 to enable the raw materials to continuously flow from the blanking port 20 to a nozzle 22, after the raw materials are sprayed out from the nozzle 22, an XY motion system is controlled by a control system to accumulate layer by layer on a workbench 18, and solidification of a first layer is quickly completed according to a selected solidification mode; after the first layer is processed, the control system controls the Z axis to enable the Z axis to realize high-precision downward displacement, the XY axis also realizes in-plane movement under the control of the control system, so that the second layer of the raw materials is accumulated and solidified, and the process is repeated until the processing of the fixed abrasive grinding pad is completed.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In summary, this summary should not be construed to limit the present invention.
Claims (9)
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| CN202010041706.8A CN111136593A (en) | 2020-01-15 | 2020-01-15 | A preparation device and preparation method of a consolidated grinding and polishing pad with a complex flow channel structure |
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| CN202010041706.8A CN111136593A (en) | 2020-01-15 | 2020-01-15 | A preparation device and preparation method of a consolidated grinding and polishing pad with a complex flow channel structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112605903A (en) * | 2020-12-16 | 2021-04-06 | 河南科技学院 | Automatic preparation device and preparation method for photo-curing consolidation abrasive grinding and polishing pad |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107107306A (en) * | 2014-10-17 | 2017-08-29 | 应用材料公司 | The grinding pad produced by lamination manufacturing process |
| US20170259396A1 (en) * | 2016-03-09 | 2017-09-14 | Mayu Felicia Yamamura | Correction of fabricated shapes in additive manufacturing |
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| CN110076684A (en) * | 2013-12-20 | 2019-08-02 | 应用材料公司 | Printing chemical mechanical polishing pads with controlled pore rate |
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| CN110238752A (en) * | 2014-10-17 | 2019-09-17 | 应用材料公司 | Polished product |
| US20170259396A1 (en) * | 2016-03-09 | 2017-09-14 | Mayu Felicia Yamamura | Correction of fabricated shapes in additive manufacturing |
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| CN112605903A (en) * | 2020-12-16 | 2021-04-06 | 河南科技学院 | Automatic preparation device and preparation method for photo-curing consolidation abrasive grinding and polishing pad |
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