CN115990812B - Optical lens grinding equipment and grinding method - Google Patents
Optical lens grinding equipment and grinding method Download PDFInfo
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- CN115990812B CN115990812B CN202310283121.0A CN202310283121A CN115990812B CN 115990812 B CN115990812 B CN 115990812B CN 202310283121 A CN202310283121 A CN 202310283121A CN 115990812 B CN115990812 B CN 115990812B
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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
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Abstract
The invention relates to the technical field of grinding of optical lenses, in particular to an optical lens grinding device and a grinding method, wherein the grinding device comprises: grind frame, lapping piece, dust absorption subassembly, be provided with the multiunit head of breathing in of linear interval distribution in the clearance between the adjacent lapping piece, multiunit head intercommunication buffer air bag breathes in, and buffer air bag installs in the dust removal inner chamber, and buffer air bag's upper end is provided with the roof, is provided with the head of giving vent to anger of intercommunication buffer air bag inner chamber on the roof, and beneficial effect is: through setting up the grinding piece of interval distribution to having the space clearance of accomodating impurity in the position of grinding, the cooperation is inhaled the head, reaches the purpose of timely getting rid of impurity, thereby avoids the impurity that produces to influence follow-up endless grinding process, has improved the precision of grinding, utilizes the inflation and the exhaust of buffering gasbag simultaneously, reaches the reduction air current velocity of flow, realizes abundant precipitation and the purpose of pressure release, and then realizes the purpose of continuous grinding processing.
Description
Technical Field
The invention relates to the technical field of optical lens grinding, in particular to optical lens grinding equipment and a grinding method.
Background
In the processing process of the optical lens, the surface of the lens needs to be ground and polished, so that the lens meets the practical requirement.
The existing lens grinding is divided into two types, one type is fixed on the lens, the purpose of grinding is achieved through rotation of the grinding device, the other type is fixed on the grinding device, and the purpose of grinding is achieved through rotation installation of the lens and then contact with the grinding device.
However, in the actual processing process, because the grinding process needs continuous rotation friction, in the grinding process, granular impurities or powder can be generated, the generated impurities can seriously influence the grinding precision of the lens, and even cause irreparable damage, thereby influencing the yield of the lens, and meanwhile, the existing grinding device is difficult to detach and is difficult to adapt to the grinding requirements of different lenses.
Disclosure of Invention
The present invention is directed to an optical lens polishing apparatus and a polishing method, which solve the above-mentioned problems.
In order to achieve the above purpose, the present invention provides the following technical solutions:
an optical lens grinding apparatus, the grinding apparatus comprising:
the grinding frame is fixedly sleeved on a connecting shaft output by the driving motor, and a plurality of groups of adjusting sliding grooves distributed in a circumferential array are formed in the grinding frame;
the grinding blocks are respectively arranged in the adjusting sliding grooves distributed in the circumferential array, one end of each grinding block is fixed through the extrusion fastening assembly, the other end of each grinding block is fixedly inserted, the lower end of each grinding block extends to the outer side of the lower end of the grinding frame, and grinding strips are arranged on the end faces of the outer sides of the grinding blocks;
the dust collection assembly comprises an air suction head, a buffer air bag, a fan and a screen plate, wherein the upper end of the grinding frame is provided with a dust removal boss, an inner cavity of the dust removal boss is arranged into a dust removal inner cavity, the upper end of the dust removal boss is sealed through a cover plate, an air outlet is formed in the cover plate, multiple groups of air suction heads which are linearly distributed at intervals are arranged in a gap between adjacent grinding blocks, the air suction heads are communicated with the buffer air bag, the buffer air bag is arranged in the dust removal inner cavity, the upper end of the buffer air bag is provided with a top plate, the top plate is provided with an air outlet head which is communicated with the inner cavity of the buffer air bag, a middle side plate is vertically arranged in the dust removal inner cavity, a lifting chute is vertically formed in the middle side plate, the upper end of the middle side plate is provided with an inclined runner, the top plate and the air outlet head are slidably inserted in the lifting chute, the air outlet head is positioned at the lower end of the inclined runner, ports of the air outlet head are slidably and tightly attached to the side wall of the lifting chute, the fan is arranged in the air outlet, the inner port is arranged at the air outlet, the lower end of the screen plate is arranged, and the recovery frame is arranged below the air outlet.
Preferably, the upper end of lapping piece is provided with adjusts the extension post, it pegs graft in adjusting the spout to adjust the extension post, and the inboard of lapping piece is provided with curved indent, the lower extreme of indent runs through and is provided with the opening, and the lower extreme opening part of indent is provided with the chamfer that extends to the outside, be provided with the ladder inside groove of undercut in the middle of the lower extreme of grinding the frame, the inlayer extrusion frame is installed to the joint in the ladder inside groove, and the circular arc outer wall of inlayer extrusion frame is provided with the extrusion arch of multiunit indent one-to-one with circumference array distribution, extrusion arch grafting extrusion is in the indent.
Preferably, the inner layer extrusion frame is sleeved on the outer wall of the connecting shaft, the inner layer extrusion frame is fixed at the lower end of the grinding frame through nut extrusion, internal threads are arranged on the inner wall of the port at the lower end of the inner layer extrusion frame, the sealing end plate is rotatably arranged at the port at the lower end of the inner layer extrusion frame, and the sealing end plate is positioned at the upper end of the grinding strip.
Preferably, the extrusion fastening assembly comprises a plug screw, a sliding plate, a limit nut and a second spring, a plurality of groups of installation screw holes which are distributed in a circumferential array mode and correspond to the grinding blocks one by one are arranged on the circular arc outer wall of the grinding frame, the plug screw is rotationally plugged in the installation screw holes in a threaded mode, the plug screw extends to the inner side of the grinding frame, a positioning slot is arranged on the outer side of the grinding block, the second spring is sleeved on the inner outer wall of the plug screw, the sliding plate sleeved on the plug screw in a sliding mode is arranged on the outer side of the second spring, the limit nut is rotationally installed on the inner end portion of the plug screw in a threaded mode, the outer diameter of the limit nut is smaller than that of the sliding plate, the grinding blocks are sleeved on the plug screw in a positioning mode through the positioning slot, the inner wall of the positioning slot is arranged to be a step inner wall, and the step surface of the step inner wall is pressed on the sliding plate.
Preferably, a guide rail corresponding to the adjusting chute is arranged on the inner wall of the outer side of the lower end of the grinding frame, and a cutting corresponding to the guide rail is arranged on the outer wall of the upper end of the grinding block.
Preferably, the up end of grinding the frame is located and adjusts the spout outside and be provided with annular screwed ring, be provided with clamp plate and cardboard between screwed ring and the regulation spout, adjust the upper end of extending the post and extend to flush with screwed ring up end, adjust one side that the post is close to screwed ring and be provided with the draw-in groove that extends, one side joint of cardboard is in the draw-in groove, and the pressfitting has first spring between opposite side and the clamp plate of cardboard, and the upper end screw thread of screwed ring rotates installs and rotates the spiro ring, rotate the inboard outer wall of lower extreme of spiro ring and peg graft between the inner wall of clamp plate and screwed ring, and rotate the inboard outer wall of spiro ring and set up to unilateral conical surface.
Preferably, the lower extreme circular arc outer wall of screwed ring is last to run through and is provided with the locating hole, runs through in the draw-in groove and is provided with the direction jack, one side of cardboard is provided with the inserted bar of grafting in the direction jack, and the opposite side of cardboard is provided with the locating lever that runs through clamp plate, locating hole in a sliding way, first spring cup joints on the locating lever.
Preferably, a discharge hole is formed in the position, corresponding to the exhaust port, of the inner wall of the lower end of the dust removing inner cavity, a recovery frame is fixedly inserted and connected onto the circular arc outer wall of the dust removing boss, the recovery frame is opposite to the discharge hole, a quarter circular arc-shaped buffer arc plate is arranged between the discharge hole and the exhaust port, and the cambered surface of the buffer arc plate is opposite to the inclined runner.
Preferably, the fan is arranged in the air outlet, a gap is reserved between the screen plate and the fan, a right-angle rod-shaped cleaning brush is arranged in the gap, a brush cross rod section of the cleaning brush is attached to the upper end of the screen plate, and a vertical rod of the cleaning brush is connected to a fan blade driving shaft of the fan.
A polishing method achieved according to the optical lens polishing apparatus described above, the polishing method comprising the steps of:
the assembly is assembled, grinding blocks are correspondingly arranged through the adjusting sliding grooves, and the fixed installation of the grinding blocks is realized through extruding the fastening assembly;
the lens is ground, the grinding frame is fixedly arranged at the upper end of the lens, the grinding strip is attached to the grinding end face of the lens, the grinding frame is driven to rotate by the driving motor, the purpose of grinding the end face of the lens is achieved, dust or fine particles generated by grinding are adsorbed under the negative pressure adsorption of the air suction head in the grinding process, and as the air suction head and the circumference of the grinding strip are distributed at intervals, powder ground by a single grinding strip can be absorbed by the adjacent air suction head, so that the purposes of cleaning dust and preventing the surface of the lens from being scratched are achieved;
the air flow is filtered, the air flow absorbed by negative pressure is gathered in the buffer air bag, the flow speed of the air flow is reduced along with the expansion of the air bag, meanwhile, when the air flow rises to the inclined flow channel, the pressure relief and the exhaust are realized, the air flow is filtered through the screen plate by utilizing the exhaust of the fan.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the grinding blocks are distributed at intervals, so that a space gap for accommodating impurities is arranged at the grinding position, and the air suction head is matched to achieve the purpose of timely removing the impurities, so that the generated impurities are prevented from affecting the grinding process of the subsequent cycle, and the grinding precision is improved; simultaneously, the expansion and the exhaust of the buffer air bags are utilized to reduce the flow speed of air flow, achieve the purposes of full precipitation and pressure relief, and further achieve the purpose of continuous grinding processing.
Drawings
FIG. 1 is a schematic perspective view of the present invention (without the abrasive segments installed);
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is an enlarged view of the structure of FIG. 2 at A;
FIG. 4 is a bottom view of a polishing frame and polishing blocks of the present invention;
FIG. 5 is an enlarged view of the structure at B in FIG. 2;
FIG. 6 is an enlarged view of the structure at C in FIG. 2;
FIG. 7 is an enlarged view of the structure of FIG. 5 at D;
FIG. 8 is a schematic diagram of a connection structure of a clamping plate and a pressing plate according to the present invention;
FIG. 9 is a schematic perspective view of an abrasive brick according to the present invention;
FIG. 10 is a schematic view of a polishing block according to the present invention;
FIG. 11 is a schematic view of an installation perspective of the compression fastening assembly of the present invention;
fig. 12 is a schematic perspective view of a polishing frame according to the present invention.
In the figure: 1. a grinding frame; 2. dust removal boss; 3. a buffer air bag; 4. a driving motor; 5. a cover plate; 6. a connecting shaft; 7. an inner layer extrusion frame; 8. grinding the blocks; 9. adjusting the chute; 10. a grinding strip; 11. positioning the slot; 12. rotating the spiral ring; 13. a dust removal inner cavity; 14. an exhaust port; 15. adjusting the extension column; 16. inserting a screw rod; 17. a sealing end plate; 18. an air suction head; 19. extruding the bulge; 20. pressing a groove; 21. a threaded ring; 22. a single-sided conical surface; 23. a first spring; 24. a pressing plate; 25. a positioning rod; 26. a clamping groove; 27. a rod; 28. a clamping plate; 29. buffering the arc plate; 30. a middle side plate; 31. lifting sliding grooves; 32. a recovery frame; 33. a discharge port; 34. an air outlet head; 35. an inclined flow passage; 36. installing a screw hole; 37. a guide rail; 38. cutting; 39. a slide plate; 40. a blower; 41. cleaning brushes; 42. a screen plate; 43. positioning holes; 44. a limit nut; 45. a stepped inner tank; 46. and a second spring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1: referring to fig. 1 to 12, an optical lens polishing apparatus includes a polishing frame 1, a polishing block 8, and a dust collection assembly.
The grinding frame 1 is fixedly sleeved on a connecting shaft 6 output by the driving motor 4, a plurality of groups of adjusting sliding grooves 9 distributed in a circumferential array are arranged on the grinding frame 1, a plurality of groups of grinding blocks 8 are respectively arranged in the adjusting sliding grooves 9 distributed in the circumferential array, one end of each grinding block 8 is fixed through an extrusion fastening component, the other end of each grinding block 8 is fixedly inserted, the lower end of each grinding block 8 extends to the outer side of the lower end of the grinding frame 1, and grinding strips 10 are arranged on the outer end faces of the grinding blocks 8.
The positioning and mounting of the grinding block 8 are realized by arranging the adjusting chute 9, and the purpose of driving the grinding frame 1 to rotate is achieved by matching the driving motor 4 with the connecting shaft 6, so that the grinding block 8 and the grinding strip 10 are driven to rotate for grinding.
The dust collection assembly comprises a suction head 18, a buffer air bag 3, a fan 40 and a screen plate 42, wherein the upper end of the grinding frame 1 is provided with a dust collection boss 2, the inner cavity of the dust collection boss 2 is provided with a dust collection inner cavity 13, the upper end of the dust collection boss 2 is sealed by a cover plate 5, the cover plate 5 is provided with an exhaust port 14, a plurality of groups of suction heads 18 which are linearly distributed at intervals are arranged in gaps between adjacent grinding blocks 8, and the suction heads 18 adopt the existing negative pressure adsorption structure.
Through setting up interval distribution's air suction head 18 and grinding piece 8, be provided with the space clearance of accomodating the impurity in the position of grinding, the negative pressure of cooperation air suction head 18 adsorbs, reaches the purpose of timely getting rid of the impurity to avoid the impurity that produces to influence follow-up endless grinding process, improved the precision of grinding.
The multi-group air suction head 18 is communicated with the buffer air bag 3, the buffer air bag 3 is arranged in the dust removal inner cavity 13, a top plate is arranged at the upper end of the buffer air bag 3, an air outlet head 34 communicated with the inner cavity of the buffer air bag 3 is arranged on the top plate, a middle side plate 30 is vertically arranged in the dust removal inner cavity 13, a lifting chute 31 is vertically arranged on the middle side plate 30, an inclined runner 35 is arranged at the upper end of the middle side plate 30, the top plate and the air outlet head 34 are slidably inserted in the lifting chute 31, the air outlet head 34 is arranged at the lower end of the inclined runner 35, ports of the air outlet head 34 are slidably and hermetically attached to the side wall of the lifting chute 31, a fan 40 is arranged in the air outlet 14, a screen 42 is arranged at the inner port of the lower end of the air outlet 14, and a recovery frame 32 is arranged below the air outlet 14.
The purpose of buffering negative pressure adsorption air flow is achieved by arranging the buffer air bag 3, the air flow speed is reduced, the air outlet head 34 is communicated with the inclined flow channel 35 along with the expansion of the buffer air bag 3, the expanded air flow is discharged into the inner cavity at the lower end of the air outlet 14 along the air outlet head 34, the purpose of exhausting air is achieved by utilizing the fan 40, the air flow is filtered by utilizing the screen 42, the dust air flow is treated, and the purpose of continuous grinding processing is achieved.
The upper end of the grinding block 8 is provided with an adjusting extension column 15, the adjusting extension column 15 is inserted in the adjusting chute 9, the inner side of the grinding block 8 is provided with an arc-shaped pressing groove 20, the lower end of the pressing groove 20 is provided with an opening in a penetrating mode, the opening of the lower end of the pressing groove 20 is provided with a chamfer extending outwards, an upwards-sunken stepped inner groove 45 is arranged in the middle of the lower end of the grinding frame 1, an inner-layer extrusion frame 7 is installed in the stepped inner groove 45 in a clamping mode, the outer arc wall of the inner-layer extrusion frame 7 is provided with extrusion protrusions 19 corresponding to a plurality of groups of pressing grooves 20 distributed in a circumferential array one by one, and the extrusion protrusions 19 are inserted in the pressing grooves 20 in a inserting mode.
The purpose of further positioning and mounting the grinding block 8 is achieved by adjusting the sliding of the extension column 15 in the adjustment chute 9, and the purpose of laterally extruding the grinding block 8 is achieved by utilizing the cooperation of the pressing groove 20 and the extrusion protrusion 19.
In the installation, the grinding block 8 reaches spacing slip grafting installation through adjusting the grafting of extension post 15 in adjusting chute 9, and after the grafting was accomplished, installs inlayer extrusion frame 7 for extrusion protruding 19 grafting reaches the purpose of side direction extrusion in indent 20, and extrusion protruding 19 pressfitting is on the upper end inner wall of indent 20 simultaneously, avoids grinding block 8 dropping.
The inner layer extrusion frame 7 is sleeved on the outer wall of the connecting shaft 6, the inner layer extrusion frame 7 is fixed at the lower end of the grinding frame 1 through nut extrusion, internal threads are arranged on the inner wall of the port at the lower end of the inner layer extrusion frame 7, the sealing end plate 17 is rotatably arranged at the port at the lower end of the inner layer extrusion frame 7, and the sealing end plate 17 is positioned at the upper end of the grinding strip 10.
The inner cavity of the inner extrusion frame 7 is sealed by the sealing end plate 17, so that the influence of generated dust air current on the driving of the connecting shaft 6 is avoided.
The extrusion fastening assembly comprises a plug screw 16, a sliding plate 39, a limit nut 44 and a second spring 46, wherein a plurality of groups of installation screw holes 36 which are distributed in a circumferential array and are in one-to-one correspondence with the grinding blocks 8 are arranged on the circular arc outer wall of the grinding frame 1, the plug screw 16 is rotationally plugged in the installation screw holes 36 in a threaded mode, the plug screw 16 extends to the inner side of the grinding frame 1, a positioning slot 11 is arranged on the outer side of the grinding block 8, the second spring 46 is sleeved on the inner side outer wall of the plug screw 16, the sliding plate 39 which is slidingly sleeved on the plug screw 16 is arranged on the outer side of the second spring 46, the limit nut 44 is rotationally arranged on the inner side end portion of the plug screw 16 in a threaded mode, the outer diameter of the limit nut 44 is smaller than the outer diameter of the sliding plate 39, the grinding block 8 is fixedly sleeved on the plug screw 16 through the positioning slot 11, the inner wall of the positioning slot 11 is arranged to be a step inner wall, and the step surface of the step inner wall is pressed on the sliding plate 39.
Through the grafting of the positioning slot 11 on the grafting screw 16, realize the positioning grafting, in the grafting process, extrusion slide 39, under the side direction slip of slide 39, second spring 46 is compressed, forms the fixed mounting of horizontal grafting, utilizes the reset elasticity of second spring 46 simultaneously, forms the side direction extrusion force, keeps the inseparable pressfitting of extrusion protruding 19 and indent 20 inner wall.
The outer side inner wall of the lower end of the grinding frame 1 is provided with a guide rail 37 corresponding to the adjusting chute 9, and the outer wall of the upper end of the grinding block 8 is provided with a cutting 38 corresponding to the guide rail 37.
By arranging the matching of the guide rail 37 and the cutting 38, the grinding block 8 is ensured to be positioned and stably inserted on the inserting screw 16, and the installation precision is further improved.
The up end of grinding frame 1 is located the regulation spout 9 outside and is provided with annular screwed ring 21, be provided with clamp plate 24 and cardboard 28 between screwed ring 21 and the regulation spout 9, the upper end of adjusting extension post 15 extends to flush with cardboard 28 up end, one side that the adjusting extension post 15 is close to screwed ring 21 is provided with draw-in groove 26, one side joint of cardboard 28 is in draw-in groove 26, the pressfitting has first spring 23 between cardboard 28 opposite side and the clamp plate 24, the upper end screw thread of screwed ring 21 rotates installs and rotates spiral ring 12, the inboard outer wall of lower extreme of rotation spiral ring 12 is pegged graft between clamp plate 24 and the inner wall of screwed ring 21, and the inboard outer wall of rotation spiral ring 12 sets up to unilateral conical surface 22.
Through setting up the grafting of cardboard 28 in draw-in groove 26 to form and adjust the horizontal grafting of extending column 15 fixed, thereby avoid under the effect of rotation centrifugal force, make the abrasive brick 8 skew or drop, utilize the screw thread rotation of rotation spiro 12 on the screwed ring 21, make unilateral conical surface 22 gradually smooth extrusion on clamp plate 24, make first spring 23 compressed, cardboard 28 closely pressfitting is in draw-in groove 26, thereby rotate through rotation spiro 12, reach the purpose of the multiunit regulation extending column 15 of fixed circumference array distribution simultaneously.
The lower circular arc outer wall of the threaded ring 21 is provided with a positioning hole 43 in a penetrating way, the clamping groove 26 is provided with a guiding insertion hole in a penetrating way, one side of the clamping plate 28 is provided with a inserting rod 27 inserted in the guiding insertion hole, the other side of the clamping plate 28 is provided with a positioning rod 25 penetrating through the pressing plate 24 and the positioning hole 43 in a sliding way, and the first spring 23 is sleeved on the positioning rod 25.
By arranging the sliding plug-in connection of the plug-in rod 27 and the positioning rod 25, the extrusion sliding position precision of the pressing plate 24 and the clamping plate 28 is further improved, stable extrusion fixation is maintained, and deflection in the rotary grinding process is avoided.
The lower end inner wall of the dust removal inner cavity 13 is provided with a discharge hole 33 at a position corresponding to the exhaust hole 14, a recovery frame 32 is fixedly inserted and connected on the circular arc outer wall of the dust removal boss 2, the recovery frame 32 is opposite to the discharge hole 33, a quarter circular arc-shaped buffer arc plate 29 is arranged between the discharge hole 33 and the exhaust hole 14, and the cambered surface of the buffer arc plate 29 is opposite to the inclined flow passage 35.
By arranging the buffer arc plate 29, the expanded air flow is impacted on the arc surface, so that dust in the air flow reduces the flow speed, and the dust drops along the sufficient precipitation of the arc surface, so that dust impurities in the air flow are further separated.
The fan 40 is arranged in the exhaust port 14, a gap is reserved between the screen plate 42 and the fan 40, a right-angle rod-shaped cleaning brush 41 is arranged in the gap, a brush cross rod section of the cleaning brush 41 is attached to the upper end of the screen plate 42, and a vertical rod of the cleaning brush 41 is connected to a fan blade driving shaft of the fan 40.
By arranging the cleaning brush 41 connected with the driving shaft of the fan 40, the purpose of cleaning the screen plate 42 is achieved in the exhaust process, and blockage is avoided.
The grinding method realized by the optical lens grinding equipment comprises the following steps:
the assembly is assembled, the grinding block 8 is correspondingly arranged through the adjusting chute 9, and the fixed installation of the grinding block 8 is realized through the extrusion fastening assembly;
the lens is ground, the grinding frame 1 is fixedly arranged at the upper end of the lens, the grinding strip 10 is attached to the grinding end face of the lens, the grinding frame 1 is driven to rotate by the driving motor 4, the purpose of grinding the end face of the lens is achieved, dust or fine particles generated by grinding are adsorbed under the negative pressure adsorption of the air suction head 18 in the grinding process, and as the air suction head 18 and the grinding strip 10 are circumferentially distributed at intervals, powder ground by a single grinding strip 10 can be absorbed by the adjacent air suction head 18, and the purposes of cleaning dust and preventing the surface of the lens from being scratched are achieved;
the air flow is filtered, the air flow absorbed by negative pressure is gathered in the buffer air bag 3, the flow speed of the air flow is reduced along with the expansion of the air bag 3, meanwhile, when the air flow rises to the inclined flow channel 35, the pressure relief and the air discharge are realized, the air flow is discharged by the fan 40, and the air flow is filtered through the screen 42.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. An optical lens grinding device, characterized in that: the grinding apparatus includes:
the grinding frame (1), the grinding frame (1) is fixedly sleeved on a connecting shaft (6) output by the driving motor (4), and a plurality of groups of adjusting sliding grooves (9) distributed in a circumferential array are arranged on the grinding frame (1);
the grinding blocks (8) are respectively arranged in adjusting sliding grooves (9) distributed in a circumferential array, one end of each grinding block (8) is fixed through an extrusion fastening assembly, the other end of each grinding block (8) is fixedly inserted, the lower end of each grinding block (8) extends to the outer side of the lower end of the corresponding grinding frame (1), and grinding strips (10) are arranged on the end face of the outer side of each grinding block (8);
the dust collection assembly comprises an air suction head (18), a buffer air bag (3), a fan (40) and a screen plate (42), wherein a dust removal boss (2) is arranged at the upper end of the grinding frame (1), an inner cavity of the dust removal boss (2) is arranged as a dust removal inner cavity (13), the upper end of the dust removal boss (2) is sealed by a cover plate (5), an air outlet (14) is arranged on the cover plate (5), a plurality of groups of air suction heads (18) which are linearly distributed at intervals are arranged in a gap between adjacent grinding blocks (8), a plurality of groups of air suction heads (18) are communicated with the buffer air bag (3), the buffer air bag (3) is arranged in the dust removal inner cavity (13), a top plate is arranged at the upper end of the buffer air bag (3), an air outlet head (34) which is communicated with the inner cavity of the buffer air bag (3) is arranged on the top plate, an intermediate side plate (30) is vertically arranged in the dust removal inner cavity (13), a lifting chute (31) is vertically arranged on the intermediate side plate (30), the upper end of the intermediate side plate (30) is provided with an inclined runner (35), the top plate and the air outlet head (34) is slidingly inserted in the lifting chute (31), the air outlet heads (34) are arranged at the inclined end of the air outlet (34) and the inclined end (34) and the air outlet head (34) is arranged in the lifting chute (31) and is in the sealing position, the inner port of the lower end of the exhaust port (14) is provided with a screen plate (42), and a recovery frame (32) is arranged below the exhaust port (14);
the dust removal device is characterized in that a discharge hole (33) is formed in the position, corresponding to the exhaust hole (14), of the inner wall of the lower end of the dust removal inner cavity (13), a recovery frame (32) is fixedly inserted and connected onto the circular arc outer wall of the dust removal boss (2), the recovery frame (32) is opposite to the discharge hole (33), a quarter circular arc-shaped buffer arc plate (29) is arranged between the discharge hole (33) and the exhaust hole (14), and the cambered surface of the buffer arc plate (29) is opposite to the inclined flow passage (35).
2. An optical lens grinding apparatus according to claim 1, wherein: the upper end of the grinding block (8) is provided with an adjusting extension column (15), the adjusting extension column (15) is inserted into an adjusting chute (9), an arc-shaped pressing groove (20) is formed in the inner side of the grinding block (8), an opening is formed in the lower end of the pressing groove (20) in a penetrating mode, a chamfer extending outwards is formed in the opening of the lower end of the pressing groove (20), an upwardly concave stepped inner groove (45) is formed in the middle of the lower end of the grinding frame (1), an inner layer extrusion frame (7) is installed in the stepped inner groove (45) in a clamping mode, extrusion protrusions (19) corresponding to groups of pressing grooves (20) distributed in a circumferential array are arranged on the outer wall of an arc of the inner layer extrusion frame (7), and the extrusion protrusions (19) are inserted into the pressing grooves (20).
3. An optical lens grinding apparatus according to claim 2, wherein: the inner layer extrusion frame (7) is sleeved on the outer wall of the connecting shaft (6), the inner layer extrusion frame (7) is fixedly arranged at the lower end of the grinding frame (1) through nut extrusion, internal threads are arranged on the inner wall of a lower end port of the inner layer extrusion frame (7), the sealing end plate (17) is rotatably arranged at the lower end port of the inner layer extrusion frame (7), and the sealing end plate (17) is positioned at the upper end of the grinding strip (10).
4. An optical lens grinding apparatus according to claim 3, wherein: the extrusion fastening assembly comprises a plug screw (16), a sliding plate (39), limit nuts (44) and a second spring (46), wherein a plurality of groups distributed in a circumferential array are arranged on the circular arc outer wall of the grinding frame (1) and are in one-to-one correspondence with the grinding blocks (8), the plug screw (16) is rotationally plugged in the mounting screw holes (36) in a threaded mode, the plug screw (16) extends to the inner side of the grinding frame (1), a positioning slot (11) is arranged on the outer side of the grinding block (8), the second spring (46) is sleeved on the inner side outer wall of the plug screw (16), the sliding plate (39) sleeved on the plug screw (16) in a sliding mode is arranged on the outer side of the second spring (46), the limit nuts (44) are rotationally arranged at the inner side end portion of the plug screw (16), the outer diameter of the limit nuts (44) is smaller than the outer diameter of the sliding plate (39), the grinding blocks (8) are fixedly sleeved on the plug screw (16) through the positioning slot (11), the inner wall of the positioning slot (11) is arranged to be the inner wall of the grinding frame (1), and the step surface of the step inner wall is in the step pressing mode of the sliding plate (39).
5. An optical lens grinding apparatus according to claim 4, wherein: guide rails (37) corresponding to the adjusting sliding grooves (9) are arranged on the inner wall of the outer side of the lower end of the grinding frame (1), and cutting bars (38) corresponding to the guide rails (37) are arranged on the outer wall of the upper end of the grinding block (8).
6. An optical lens grinding apparatus according to claim 5, wherein: the grinding frame is characterized in that an annular threaded ring (21) is arranged on the outer side of the grinding frame (1) and between the threaded ring (21) and the adjusting sliding groove (9), a pressing plate (24) and a clamping plate (28) are arranged, the upper end of the adjusting extending column (15) extends to be flush with the upper end face of the threaded ring (21), a clamping groove (26) is formed in one side, close to the threaded ring (21), of the adjusting extending column (15), one side of the clamping plate (28) is clamped in the clamping groove (26), a first spring (23) is pressed between the other side of the clamping plate (28) and the pressing plate (24), a rotating spiral ring (12) is installed through threaded rotation of the upper end of the threaded ring (21), the inner outer wall of the lower end of the rotating spiral ring (12) is inserted between the pressing plate (24) and the inner wall of the threaded ring (21), and the inner outer wall of the rotating spiral ring (12) is provided with a single-side conical surface (22).
7. An optical lens grinding apparatus according to claim 6, wherein: the utility model discloses a screw thread ring, including screw thread ring (21), lower extreme circular arc outer wall, screw thread ring (21) are last to run through and be provided with locating hole (43), run through in draw-in groove (26) and be provided with guide jack, one side of cardboard (28) is provided with inserted bar (27) of grafting in guide jack, and the opposite side of cardboard (28) is provided with slide and runs through locating lever (25) of clamp plate (24), locating hole (43), first spring (23) cup joint on locating lever (25).
8. An optical lens grinding apparatus according to claim 7, wherein: the fan (40) is arranged in the exhaust port (14), a gap is reserved between the screen plate (42) and the fan (40), a right-angle rod-shaped cleaning brush (41) is arranged in the gap, a brush cross rod section of the cleaning brush (41) is attached to the upper end of the screen plate (42), and a vertical rod of the cleaning brush (41) is connected to a fan blade driving shaft of the fan (40).
9. A polishing method achieved by the optical lens polishing apparatus according to claim 8, characterized in that: the grinding method comprises the following steps:
the assembly is assembled, the grinding block (8) is correspondingly arranged through the adjusting chute (9), and the fixed installation of the grinding block (8) is realized through the extrusion fastening assembly;
the lens is ground, the fixed grinding frame (1) is arranged at the upper end of the lens, the grinding strip (10) is attached to the grinding end face of the lens, the grinding frame (1) is driven to rotate through the driving motor (4), the purpose of grinding the end face of the lens is achieved, dust or fine particles generated by grinding are adsorbed under the negative pressure adsorption of the air suction head (18) in the grinding process, and as the air suction head (18) and the grinding strip (10) are circumferentially distributed at intervals, powder ground by the single grinding strip (10) can be absorbed by the adjacent air suction head (18), so that the purposes of cleaning dust and preventing the surface of the lens from being scratched are achieved;
the air flow is filtered, the air flow absorbed by negative pressure is gathered in the buffer air bag (3), the flow speed of the air flow is reduced along with the expansion of the buffer air bag (3), meanwhile, when the air flow rises to the inclined flow channel (35), the pressure release and the air discharge are realized, the air flow is discharged by the fan (40), and the air flow is filtered through the screen plate (42).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310283121.0A CN115990812B (en) | 2023-03-22 | 2023-03-22 | Optical lens grinding equipment and grinding method |
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| CN112145714A (en) * | 2020-09-09 | 2020-12-29 | 安徽维嵩生产力促进有限公司 | Stop valve clack with pressure relief mechanism and pressure relief method of device |
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| DK177694B1 (en) * | 2012-12-04 | 2014-03-10 | Poul Erik Jespersen Kadicma | Rotary machining tool |
| CN203293039U (en) * | 2013-06-05 | 2013-11-20 | 保定天威英利新能源有限公司 | Silicon block grinding wheel and silicon block grinding machine with same |
| CN208880465U (en) * | 2018-07-02 | 2019-05-21 | 福建省南安市天发石材有限公司 | A kind of Novel stone grinder abrasive disk |
| CN110497456B (en) * | 2019-08-27 | 2020-12-22 | 安徽家思特涂料有限责任公司 | Automatic slitting machine for arc-shaped paperboard |
| CN215881021U (en) * | 2021-08-11 | 2022-02-22 | 青海省三江水电开发股份有限公司 | Self-grinding device for collecting ring of through-flow hydraulic generator |
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| CN112145714A (en) * | 2020-09-09 | 2020-12-29 | 安徽维嵩生产力促进有限公司 | Stop valve clack with pressure relief mechanism and pressure relief method of device |
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