An automatic preparation device and method of a photocured fixed abrasive polishing pad
By using photopolymerization technology and automated preparation equipment, the problem of complex preparation process of bonded abrasive polishing pads has been solved, realizing automated production and performance improvement, reducing costs and simplifying the preparation process.
Patent Information
- Application Number
- CN202011487612.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2020-12-16
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2040-12-16
AI Technical Summary
In the existing technology, the preparation process of bonded abrasive polishing pads is complex, cannot be automated, has low production efficiency, and its performance cannot meet market demands.
Using photopolymerization technology, an automated preparation device for photopolymerized abrasive polishing pads is developed, comprising a motion mechanism, a processing mechanism, a photoelectric control system, and a worktable. This device automates the preparation of polishing pads, simplifying the process and improving efficiency.
The automated production of bonded abrasive polishing pads has been achieved, reducing manufacturing costs, improving performance, simplifying the manufacturing process, and ensuring environmental friendliness.
Smart Images

Figure CN112605903B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of ultra-precision machining, in particular to a light-cured fixed abrasive lapping pad automatic preparation device and preparation method. BACKGROUND
[0002] Fixed abrasive lapping pad preparation is a problem that has been concerned for a long time because fixed abrasive machining is a new development trend of ultra-precision machining. In addition, due to the complex machining process, it is impossible to realize automatic production in enterprises, and the surface flatness cannot be guaranteed, which is difficult to meet market demand. The traditional fixed abrasive lapping pad manufacturing process is: abrasive and polymer mixing → mechanical stirring → ultrasonic dispersion → resin matrix → injection mold light / heat solidification molding → post-curing treatment → finished product. According to the traditional manufacturing process, the traditional preparation method has low production efficiency and pollutes the environment. Therefore, the existing fixed abrasive lapping pad preparation process is complex, the preparation cost is high, and the performance of the prepared fixed abrasive lapping pad cannot meet the needs of machining. SUMMARY
[0003] The purpose of the present application is to provide a light-cured fixed abrasive lapping pad automatic preparation device and preparation method to solve the problems existing in the prior art, simplify the preparation process of the fixed abrasive lapping pad, reduce the cost, improve the efficiency and realize the automatic production by using light curing.
[0004] To achieve the above purpose, the present application provides the following scheme:
[0005] The present application provides a light-cured fixed abrasive lapping pad automatic preparation device, which comprises a motion mechanism, a processing mechanism, a light control system and a workbench. The motion mechanism drives the processing mechanism to move. The processing mechanism is used for processing the lapping pad. The workbench is used for placing a mold. The mold is matched with the lapping pad to be processed. The light control system is used for curing the fixed abrasive.
[0006] Preferably, the motion mechanism comprises Z-axis motion structure, Y-axis motion structure and XY-axis motion structure arranged from bottom to top;
[0007] The Z-axis motion structure comprises a motor five. The power output end of the motor five is connected with a Z-axis screw through a shaft coupling. The Z-axis screw is threadedly connected with a sliding block on the workbench. The Z-axis motion structure drives the workbench to realize reciprocating motion along the Z direction.
[0008] The XY-axis motion structure drives the atomizing nozzle and the nozzle one of the processing mechanism to realize reciprocating motion along the X direction and the Y direction. The Y-axis motion structure drives the scraper of the processing mechanism to realize reciprocating motion along the Y direction.
[0009] Preferably, the XY-axis movement structure comprises two oppositely arranged light bars one and two oppositely arranged light bars six, the two light bars one and the two light bars six form a rectangular structure, both ends of the two light bars six are provided with a belt pulley one, and the two belt pulleys one on each side are drivingly connected through a belt one, one of the light bars six is provided with a belt pulley two, the belt pulley two is drivingly connected with a belt pulley three of a power output end of a motor two through a belt two, each light bar one is provided with a sliding block one, two parallel light bars five are arranged between the two sliding blocks one, each light bar five is provided with a sliding block three, a belt pulley four is arranged on each of the two sliding blocks one, the two belt pulleys four are drivingly connected through a belt three, one of the belt pulleys four is drivingly connected with a power output end of a motor three, each sliding block three is fixedly connected with the belt three, and the two sliding blocks three are respectively fixedly connected with the atomizing nozzle and the nozzle one of the machining mechanism.
[0010] Preferably, the Y-axis movement structure comprises two oppositely arranged light bars two and two oppositely arranged light bars four, the two light bars two and the two light bars four form a rectangular structure, both ends of the two light bars four are provided with a belt pulley five, and the two belt pulleys five on each side are drivingly connected through a belt four, one of the light bars four is provided with a belt pulley six, the belt pulley six is drivingly connected with a belt pulley seven of a power output end of a motor one through a belt five, each light bar two is provided with a sliding block two, the two sliding blocks two are respectively fixedly connected with the same side belt four, two parallel light bars three are arranged between the two sliding blocks two, a motor four is fixed on one of the light bars three, and a scraper is fixed on the other light bar three, the scraper is drivingly connected with a power output end of the motor four, the motor four drives the scraper to rotate along a horizontal plane, and the scraper is used for scraping the fixed abrasive in the mold.
[0011] Preferably, the light control system comprises a fixed lamp holder, an ultraviolet lamp and a telescopic cylinder one, the telescopic cylinder one is fixedly connected with the fixed lamp holder, and the ultraviolet lamp is fixedly connected with a telescopic end of the telescopic cylinder one.
[0012] Preferably, the automatic preparation device of the photocured fixed abrasive lapping pad further comprises a feeding mechanism, the feeding mechanism comprises a first material box and a second material box, the first material box is communicated with the atomizing nozzle through a feeding pipe one, the second material box is communicated with the nozzle one through a feeding pipe two, and a pump is arranged on each of the feeding pipe one and the feeding pipe two.
[0013] Preferably, the automatic preparation device of the light-cured fixed abrasive polishing pad further comprises a collecting mechanism, the collecting mechanism comprises a telescopic cylinder II, a push plate, a collecting channel and a collecting box, the telescopic cylinder II and the push plate are arranged on one side of the workbench, the collecting channel and the collecting box are arranged on the other side of the workbench, the push plate is arranged at the telescopic end of the telescopic cylinder II, the collecting channel is arranged in a downward inclined manner, and the upper end of the collecting channel is connected with the workbench.
[0014] Preferably, the automatic preparation device of the light-cured fixed abrasive polishing pad further comprises a demolding mechanism, the demolding mechanism is arranged below the workbench, and the demolding mechanism comprises a rotary cylinder, the rotary cylinder is connected with two telescopic cylinders III through a support, one telescopic end of the telescopic cylinder III is fixedly connected with the mold, and the telescopic end of the other telescopic cylinder III is fixedly connected with an ejection plate.
[0015] Preferably, the automatic preparation device of the light-cured fixed abrasive polishing pad further comprises a recycling mechanism, the recycling mechanism comprises a recycling pipe and a recycling box, the upper end of the recycling pipe is in communication with the recycling channel on the workbench, and the lower end of the recycling pipe is in communication with the recycling box.
[0016] The application further provides a method for preparing a polishing pad by using the automatic preparation device of the light-cured fixed abrasive polishing pad.
[0017] S1: a mold of a fixed abrasive polishing pad to be produced is designed according to processing needs;
[0018] S2: the types, particle sizes and concentrations of abrasives, the types and concentrations of matrix materials and the types and concentrations of related accelerators and curing agents required for preparing the fixed abrasive polishing pad are selected;
[0019] S3: a mold release agent is sprayed;
[0020] S4: resin mixed with abrasives is injected into the mold;
[0021] S5: a scraper is used for scraping;
[0022] S6: the resin is irradiated by a UV lamp for 3-6 min;
[0023] S7: the demolding mechanism demolds and ejects the fixed abrasive polishing pad;
[0024] S8: the collecting mechanism pushes the ejected fixed abrasive polishing pad into the collecting channel.
[0025] The application has the following technical effects relative to the prior art:
[0026] The application realizes rapid processing of the polishing pad by using a motion mechanism, and solidifies the polishing pad by using a light control system, which is clean and environmentally friendly; the application simplifies the preparation process of the fixed abrasive polishing pad, improves the performance of the fixed abrasive polishing pad, reduces the cost, improves the efficiency and realizes automatic production. BRIEF DESCRIPTION OF DRAWINGS
[0027] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort on the basis of these drawings.
[0028] Figure 1 is a schematic view of the automatic preparation device for the photocured fixed abrasive polishing pad of the present application from the shaft side;
[0029] Figure 2 is a front view of the automatic preparation device for the photocured fixed abrasive polishing pad of the present application;
[0030] Figure 3 is a side view of the automatic preparation device for the photocured fixed abrasive polishing pad of the present application;
[0031] Figure 4 is a schematic view of the Y-axis motion structure in the present application;
[0032] Figure 5 is a schematic view of the XY-axis motion structure in the present application
[0033] Figure 6 is a schematic view of the demolding mechanism structure in the present application;
[0034] Figure 7 is a schematic view of the workbench in the present application;
[0035] Wherein: 100, light curing fixed abrasive pad automatic preparation device; 1, fixed frame; 2, rotary cylinder; 3, workbench; 4, motor one; 5, pulley one; 6, pulley two; 7, pulley three; 8, motor two; 9, baffle one; 10 lamp holder; 11, box cover; 12, slider one; 13, motor three; 14, telescopic cylinder one; 15, ultraviolet lamp; 16, light pole one; 17, slider two; 18, motor four; 19, light pole two; 20, scraper; 21, Z-axis light pole; 22, Z-axis screw; 23, push plate; 24, telescopic cylinder two; 25, mold; 26, recycling box; 27, coupling; 28, motor five; 29, collection box; 30, telescopic cylinder three; 31, sleeve; 32, light pole three; 33, light pole four; 34, baffle two; 35, light pole five; 36, light pole six; 37, nozzle one; 38, atomizing nozzle; 39, slider three; 40, support plate one; 41, support plate two; 42, ejection plate; 43, material conveying pipe one; 44, material conveying pipe two; 45, movement mechanism; 46, light control system; 47, processing mechanism; 48, collection mechanism; 49, recycling mechanism; 50, demolding mechanism; 51, pulley four; 52, pulley five; 53, pulley six; 54, pulley seven; 55, collection channel; 56, recycling channel. DETAILED DESCRIPTION
[0036] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative effort belong to the scope of protection of the present application.
[0037] The purpose of the present application is to provide a light curing fixed abrasive pad automatic preparation device and preparation method to solve the problems existing in the prior art, simplify the preparation process of the fixed abrasive pad, reduce costs, improve efficiency and realize automatic production by using light curing.
[0038] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the present application will be further described in detail below with reference to the drawings and specific embodiments.
[0039] Embodiment one
[0040] As Figures 1-7As shown: the embodiment provides a kind of automatic preparation device 100 of photocuring fixed abrasive polishing pad, including box and the processing mechanism 47, light control system 46 and workbench 3 being set in box, movement mechanism 45 is set on the box, is covered by box cover 11, movement mechanism 45 drives processing mechanism 47 to realize movement, processing mechanism 47 is used to process polishing pad, workbench 3 is used to place mould 25, mould 25 is set at the through hole of workbench 3, mould 25 and the diameter of through hole of workbench 3 are identical, mould 25 is matched with the polishing pad to be processed, light control system 46 is used to cure fixed abrasive.
[0041] Specifically, in the embodiment, movement mechanism 45 includes Z-axis movement structure, Y-axis movement structure and XY-axis movement structure arranged from bottom to top;
[0042] In the embodiment, Z-axis movement structure is two, two Z-axis movement structures are respectively arranged at the two sides of workbench 3, each Z-axis movement structure includes motor five 28, the power output end of motor five 28 is connected with the lower end of Z-axis lead screw 22 through coupling 27, the upper end of Z-axis lead screw 22 is rotatably connected with Y-axis movement structure, Z-axis lead screw 22 is threadedly connected with the slider on workbench 3, Z-axis movement structure drives workbench 3 to realize reciprocating movement along Z direction, further includes four Z-axis light rods 21, four Z-axis light rods 21 are located at the four corners of workbench 3, Z-axis light rod 21 passes through workbench 3 and is slidably connected with sleeve 31 on workbench 3, workbench 3 is lifted or lowered a certain distance along Z axis by the rotation of motor five 28 to drive Z-axis lead screw 22 to rotate;
[0043] XY-axis movement structure drives atomizing nozzle 38 and nozzle one 37 of processing mechanism 47 to realize reciprocating movement along X direction and Y direction, Y-axis movement structure drives scraper 20 of processing mechanism 47 to realize reciprocating movement along Y direction.
[0044] In the embodiment, X axis is horizontal direction with the placement of Figure 2 Structure as reference;Y axis is the direction perpendicular to paper with the placement of Figure 2 Structure as reference;Z axis is vertical direction with the placement of Figure 2 Or Figure 3 Structure as reference.
[0045] In the embodiment, the XY-axis movement structure comprises two oppositely arranged optical rods 16 and two oppositely arranged optical rods 36, the two optical rods 16 and the two optical rods 36 form a rectangular structure, the two optical rods 16 are fixed on the left and right sides above the box body through the support plate 2, the two optical rods 36 are fixed on the front and rear sides above the box body through the baffle 2, both ends of the two optical rods 36 are provided with the belt pulley 1 5, the two belt pulleys 1 5 on each side are connected through the belt 1, one of the optical rods 36 is provided with the belt pulley 2 6, the belt pulley 2 6 and the belt pulley 3 7 of the power output end of the motor 2 8 are connected through the belt 2, each optical rod 16 is provided with a sliding block 1 2, the sliding block 1 2 and the optical rod 1 6 are connected in sliding mode, two parallel optical rods 5 are arranged between the two sliding blocks 1 2, each optical rod 5 is provided with a sliding block 3 9, the sliding block 3 9 and the optical rod 5 are connected in sliding mode, each optical rod 5 is provided with a belt pulley 4 51, the two belt pulleys 4 51 are connected through the belt 3, one of the belt pulleys 4 51 and the power output end of the motor 3 1 3 are connected in transmission mode, each sliding block 3 9 is fixedly connected with the belt 3, the two sliding blocks 3 9 are respectively fixedly connected with the atomizing nozzle 38 and the nozzle 1 37 of the processing mechanism 47, the nozzle 1 37 and the atomizing nozzle 38 are arranged towards the mold 25. The motor 2 8 drives the belt pulley 3 7 to rotate, and then drives the belt pulley 2 6 and the optical rod 6 36 to rotate, the belt pulley 1 5 drives the belt 1 to move, and the atomizing nozzle 38 and the nozzle 1 37 move along the Y direction; the motor 3 1 3 drives the belt pulley 4 51 to move, and then drives the belt 3 to move, and the atomizing nozzle 38 and the nozzle 1 37 move along the X direction.
[0046] In the embodiment, the Y-axis movement structure includes two oppositely arranged light rods two 19 and two oppositely arranged light rods four 33, the two light rods two 19 and the two light rods four 33 form a rectangular structure, the two light rods two 19 are fixed on the left and right sides above the box body through the support plate one 40, the two light rods four 33 are fixed on the front and back sides above the box body through the baffle one 9, both ends of the two light rods four 33 are provided with belt pulleys five 52, the two belt pulleys five 52 on each side are drivingly connected through the belt four, one of the light rods four 33 is provided with a belt pulley six 53, the belt pulley six 53 is drivingly connected with the belt pulley seven 54 of the power output end of the motor one 4 through the belt five, each light rod two 19 is provided with a sliding block two 17, the sliding block two 17 is slidingly connected with the light rod two 19, the two sliding blocks two 17 are fixedly connected with the same side belt four respectively, two parallel light rods three 32 are arranged between the two sliding blocks two 17, a motor four 18 is fixed on one light rod three 32, a scraper 20 is fixed on the other light rod three 32, the scraper 20 is drivingly connected with the power output end of the motor four 18, the motor four 18 drives the scraper 20 to rotate along the horizontal plane, and the scraper 20 is used for scraping the fixed abrasive in the mold 25. The motor one 4 drives the belt pulley seven 54 to rotate, thereby driving the belt pulley six 53 and the light rod four 33 to rotate, the belt pulley five 52 drives the belt four to move, and the movement of the scraper 20 in the Y direction is realized.
[0047] In the embodiment, the light curing fixed abrasive polishing pad automatic preparation device 100 further includes a feeding mechanism, the feeding mechanism includes a first material box and a second material box, the first material box is used for containing a release agent, and the second material box is used for containing a resin mixed with an abrasive, the first material box is communicated with the atomizing nozzle 38 through a feeding pipe one 43, the second material box is communicated with the nozzle one 37 through a feeding pipe two 44, and pumps are arranged on the feeding pipe one 43 and the feeding pipe two 44. When the fixed abrasive polishing pad is prepared, the release agent is sprayed into the mold 25 through the atomizing nozzle 38, and then the abrasive is sprayed into the mold 25 through the nozzle one 37.
[0048] In the embodiment, the light control system 46 includes a fixed lamp holder 10, an ultraviolet lamp 15 and a telescopic cylinder one 14, the ultraviolet lamp 15 is located directly above the mold 25, the fixed lamp holder 10 is arranged above the movement mechanism 45, the telescopic cylinder one 14 is fixedly connected with the fixed lamp holder 10, and the ultraviolet lamp 15 is fixedly connected with the telescopic end of the telescopic cylinder one 14. After the abrasive is sprayed, the telescopic cylinder one 14 drives the ultraviolet lamp 15 to telescope, different distance light source irradiation is realized, and light curing is realized.
[0049] In this embodiment, the light-cured fixed abrasive polishing pad automatic preparation device 100 further comprises a demolding mechanism 50, which is arranged below the workbench 3. The demolding mechanism 50 comprises a rotary cylinder 2, which is connected to two telescopic cylinders three 30 through a support. The telescopic end of one telescopic cylinder three 30 is fixedly connected to the mold 25, and the telescopic end of the other telescopic cylinder three 30 is fixedly connected to the ejection plate 42. The center of the ejection plate 42, the center of the mold 25, and the center of the through hole of the workbench 3 are located on the same circumference. The size of the ejection plate 42 is smaller than the size of the through hole of the workbench 3. The thickness of the fixed abrasive polishing pad is adjusted by adjusting the specified depth of the mold 25 entering the through hole of the workbench 3. After the light-cured fixed abrasive polishing pad, the telescopic cylinder three 30 drives the mold 25 to move downward. The rotary cylinder 2 works to rotate the ejection plate 42 to the through hole of the workbench 3. The other telescopic cylinder three 30 drives the ejection plate 42 to move upward to eject the light-cured fixed abrasive polishing pad.
[0050] In this embodiment, the light-cured fixed abrasive polishing pad automatic preparation device 100 further comprises a collection mechanism 48. The collection mechanism 48 comprises a telescopic cylinder two 24, a push plate 23, a collection channel 55, and a collection box 29. The telescopic cylinder two 24 and the push plate 23 are arranged on one side of the workbench 3. The collection channel 55 and the collection box 29 are arranged on the other side of the workbench 3. The push plate 23 is arranged at the telescopic end of the telescopic cylinder two 24. The collection channel 55 is arranged downwardly inclined by 45°. The width of the collection channel 55 is greater than the size of the fixed abrasive polishing pad. The upper end of the collection channel 55 is connected to the workbench 3. The collection box 29 is located below the collection channel 55. After the light-curing is completed, the demolding mechanism 50 demolds. The telescopic cylinder two 24 pushes the push plate 23. The push plate 23 pushes the ejected fixed abrasive polishing pad to the collection channel 55. The fixed abrasive polishing pad slides into the collection box 29 along the collection channel 55.
[0051] In this embodiment, the light-cured fixed abrasive polishing pad automatic preparation device 100 further comprises a recycling mechanism 49. The recycling mechanism 49 comprises a recycling pipe and a recycling box 26. The upper end of the recycling pipe is in communication with a recycling channel 56 on the workbench 3. The lower end of the recycling pipe is in communication with the recycling box 26. In the process of scraping the fixed abrasive in the mold 25 by the scraper 20, the excess fixed abrasive enters the recycling box 26 through the recycling channel 56 and the recycling pipe, realizing the recycling of the fixed abrasive.
[0052] This embodiment further comprises a control system, which is composed of a computer and a specific software program. The motion mechanism 45, the feeding mechanism, the processing mechanism 47, the light control system 46, the demolding mechanism 50, and the collection mechanism 48 are connected to the computer through the connector assembly and are controlled by the software program, so as to realize the orderly and stable cooperation of each system and complete the preparation function of the fixed abrasive polishing pad. The control process of the control system in this embodiment is the prior art.
[0053] In this embodiment, in order to ensure the flatness of the bottom surface of the fixed abrasive polishing pad, a leveler is installed in the box, which can keep the workbench 3 always horizontal.
[0054] In this embodiment, in order to ensure the safety of the production process, an inductor is installed in the box.
[0055] In use, the release agent and the resin are respectively put into the first tank and the second tank, and then are sent to the atomizing nozzle 38 and the nozzle 37 through the pump and the feeding pipe 1 and the feeding pipe 2; the XY axis movement structure drives the atomizing nozzle 38 to move, and the atomizing nozzle 38 sprays the release agent uniformly to the surface of the mold 25; the XY axis movement structure drives the nozzle 37 to move, and the nozzle 37 sprays the resin mixed with the abrasive uniformly into the mold 25; the workbench 3 rises, the scraper 20 is driven by the Y axis movement structure to move above the mold 25, the scraper 20 contacts the resin mixed with the abrasive in the mold 25, the scraper 20 rotates to scrape the resin and returns to the original position, the ultraviolet lamp 15 irradiates the resin in the mold 25 at a certain distance for 3-6 min; after the curing is completed, the mold 25 is moved downward by the telescopic cylinder 3 to realize the separation of the mold 25 and the fixed abrasive polishing pad, the rotary cylinder 2 on the fixing frame 1 rotates 180°, the ejection plate 42 is moved upward by the other telescopic cylinder 3 to eject the fixed abrasive polishing pad; the push plate 23 is moved forward by the telescopic cylinder 2 to push the ejected fixed abrasive polishing pad into the collecting channel 55, and the fixed abrasive polishing pad is drawn into the collecting tank 29 along the collecting channel 55; the excess resin flows into the recovery groove through the recovery channel 56 and then flows into the recovery tank 26 through the recovery pipe, thereby realizing the automatic production of the fixed abrasive polishing pad.
[0056] The movement mechanism 45 can realize the rapid processing of the polishing pad, the photocured fixed abrasive polishing pad automatic preparation device 100 using the embodiment can improve the performance of the fixed abrasive polishing pad, the ultraviolet light is used to cure the polishing pad, which is clean and environmentally friendly, the embodiment can realize the preparation of polishing pads of different types and sizes, the demolding mechanism 50, the collecting mechanism 48 and the recovery mechanism 49 improve the production efficiency of the polishing pad, and the automatic production can be realized.
[0057] Embodiment two
[0058] The embodiment provides a method for preparing a polishing pad by using the embodiment one, and the method comprises the following steps.
[0059] S1: a mold 25 of a fixed abrasive polishing pad required to be produced is designed according to the processing requirement;
[0060] S2: the types, particle sizes and concentrations of abrasives required for preparing the fixed abrasive polishing pad, the types and concentrations of matrix materials and the types and concentrations of related accelerators and curing agents are selected;
[0061] S3: release agent spraying;
[0062] S4: injecting resin mixed with abrasive into the mold 25;
[0063] S5: scraping with the scraper 20;
[0064] S6: irradiating for 3-6 min with the UV lamp 15;
[0065] S7: demolding mechanism 50 demolding and ejecting the VMA polishing pad;
[0066] S8: collection mechanism 48 pushing the ejected VMA polishing pad into the collection channel 55.
[0067] The principles and implementation manners of the present application are described in the specification by applying specific examples, and the above description of the examples is only for helping to understand the method of the present application and its core idea; meanwhile, for those skilled in the art, the specific implementation manners and application ranges will be changed according to the idea of the present application. In conclusion, the content of the specification should not be understood as a limitation of the present application.
Claims
1. A method for preparing polishing pads using an automated device for preparing photocurable abrasive polishing pads, characterized in that: The automatic preparation device of the photocuring fixed abrasive polishing pad comprises a movement mechanism, a processing mechanism, a light control system and a workbench, the movement mechanism drives the processing mechanism to move, the processing mechanism is used for processing the polishing pad, the workbench is used for placing a mold matched with the polishing pad to be processed, and the light control system is used for curing the fixed abrasive; The movement mechanism comprises Z-axis movement structure, Y-axis movement structure and XY-axis movement structure arranged from bottom to top; the Z-axis movement structure drives the workbench to realize reciprocating movement along the Z direction; The XY-axis movement structure drives the atomizing nozzle and the nozzle one of the processing mechanism to realize reciprocating movement along the X direction and the Y direction, and the Y-axis movement structure drives the scraper of the processing mechanism to realize reciprocating movement along the Y direction; The automatic preparation device of the photocuring fixed abrasive polishing pad further comprises a collecting mechanism, the collecting mechanism comprises a second telescopic cylinder, a push plate, a collecting channel and a collecting box, the second telescopic cylinder and the push plate are arranged on one side of the workbench, the collecting channel and the collecting box are arranged on the other side of the workbench, the push plate is arranged at the telescopic end of the second telescopic cylinder, the collecting channel is arranged downwardly and obliquely, the upper end of the collecting channel is connected with the workbench, and the collecting box is located below the collecting channel; The automatic preparation device of the photocuring fixed abrasive polishing pad further comprises a demolding mechanism arranged below the workbench, the demolding mechanism comprises a rotary cylinder, the rotary cylinder is connected with two third telescopic cylinders through a support, the telescopic end of one third telescopic cylinder is fixedly connected with the mold, and the telescopic end of the other third telescopic cylinder is fixedly connected with an ejection plate; The method for preparing the polishing pad by using the automatic preparation device of the photocuring fixed abrasive polishing pad comprises the following steps: S1: a mold of the fixed abrasive polishing pad to be produced is designed according to the processing requirement; S2: the types, particle size and concentration of the abrasive, the types and concentration of the matrix material and the types and concentration of the related accelerant and curing agent required for preparing the fixed abrasive polishing pad are selected; S3: a mold release agent is sprayed; S4: the resin mixed with the abrasive is injected into the mold; S5: the flatness is ensured by using a scraper; S6: the ultraviolet lamp is irradiated for 3-6 min; S7: the demolding mechanism demolds and ejects the fixed abrasive polishing pad; S8: the collecting mechanism pushes the ejected fixed abrasive polishing pad into the collecting channel.
2. The method of claim 1, wherein the method is performed by the apparatus of claim 1. The Z-axis movement structure comprises a fifth motor, a power output end of the fifth motor is connected with a Z-axis lead screw through a shaft coupling, and the Z-axis lead screw is threadedly connected with a sliding block on the workbench.
3. The method of claim 2, wherein the method is performed by the apparatus of claim 1. The XY-axis movement structure comprises two oppositely arranged light bars one and two oppositely arranged light bars six, the two light bars one and the two light bars six form a rectangular structure, both ends of the two light bars six are provided with a belt pulley one, and the two belt pulleys one on each side are drivingly connected through a belt one, one of the light bars six is provided with a belt pulley two, the belt pulley two is drivingly connected with a belt pulley three of a power output end of a motor two through a belt two, each light bar one is provided with a sliding block one, two parallel light bars five are arranged between the two sliding blocks one, each light bar five is provided with a sliding block three, a belt pulley four is arranged on each sliding block one, and the two belt pulleys four are drivingly connected through a belt three, one of the belt pulleys four is drivingly connected with a power output end of a motor three, each sliding block three is fixedly connected with the belt three, and the two sliding blocks three are respectively fixedly connected with the atomizing nozzle and the nozzle one of the machining mechanism, and the nozzle one and the atomizing nozzle are arranged towards the mold.
4. The method of claim 2, wherein the method is performed by the apparatus of claim 1. The Y-axis movement structure comprises two oppositely arranged light bars two and two oppositely arranged light bars four, the two light bars two and the two light bars four form a rectangular structure, both ends of the two light bars four are provided with a belt pulley five, and the two belt pulleys five on each side are drivingly connected through a belt four, one of the light bars four is provided with a belt pulley six, the belt pulley six is drivingly connected with a belt pulley seven of a power output end of a motor one through a belt five, each light bar two is provided with a sliding block two, the two sliding blocks two are respectively fixedly connected with the same side belt four, two parallel light bars three are arranged between the two sliding blocks two, a motor four is fixed on one light bar three, a scraper is fixed on the other light bar three, the scraper is drivingly connected with a power output end of the motor four, the motor four drives the scraper to rotate along the horizontal plane, and the scraper is used for scraping the fixed abrasive in the mold.
5. The method of claim 3, wherein the method is characterized by: The light control system comprises a fixed lamp holder, an ultraviolet lamp and a telescopic cylinder one, the telescopic cylinder one is fixedly connected with the fixed lamp holder, and the ultraviolet lamp is fixedly connected with a telescopic end of the telescopic cylinder one.
6. The method of claim 3, wherein the method is performed by the apparatus of claim 1. The automatic preparation device of the photocured fixed abrasive lapping pad further comprises a feeding mechanism, the feeding mechanism comprises a first material box and a second material box, the first material box is communicated with the atomizing nozzle through a feeding pipe one, the second material box is communicated with the nozzle one through a feeding pipe two, and pumps are arranged on the feeding pipe one and the feeding pipe two.
7. The method of claim 1, wherein the method is performed by the apparatus of claim 1. The automatic preparation device of the photocured fixed abrasive lapping pad further comprises a recycling mechanism, the recycling mechanism comprises a recycling pipe and a recycling box, an upper end of the recycling pipe is communicated with a recycling channel on the workbench, and a lower end of the recycling pipe is communicated with the recycling box.
Citation Information
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