CN113829175A

CN113829175A - High efficiency grinding device is used in optical lens piece processing

Info

Publication number: CN113829175A
Application number: CN202111192556.1A
Authority: CN
Inventors: 常月阳
Original assignee: Xiajiang Lvchuang Technology Co Ltd
Current assignee: Xiajiang Lvchuang Technology Co Ltd
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2021-12-24

Abstract

The invention discloses a high-efficiency grinding device for processing an optical lens, which comprises a supporting base, four U-shaped sliding seats arranged on the upper end surface of the supporting base and a rotating grinding mechanism arranged at the center of the upper end surface of the supporting base, wherein a hollow inner cavity is formed in the supporting base, top sliding grooves which are arranged in a rectangular array and communicated with the inner cavity are formed in the upper end surface of the supporting base, a group of first lead screws are arranged in the inner cavity right below each top sliding groove, and the four U-shaped sliding seats are respectively arranged right above the top sliding grooves and are arranged in the top sliding grooves in a sliding mode through bottom sliding blocks arranged at the bottom ends of the U-shaped sliding seats. This high efficiency grinding device is used in optical lens processing can carry out work for four optical lens pieces simultaneously, has improved the efficiency of work, guarantees that the optical lens piece body is in rubber bottom suction cup middle department, and formation axle center corresponds, and then makes the grinding in-process, the problem that the grinding that causes went wrong when having avoided central asymmetry.

Description

High efficiency grinding device is used in optical lens piece processing

Technical Field

The invention belongs to the technical field of optical lens processing, and particularly relates to a high-efficiency grinding device for optical lens processing.

Background

The optical glass is prepared by mixing high-purity oxides of silicon, boron, sodium, potassium, zinc, lead, magnesium, calcium, barium and the like according to a specific formula, melting at high temperature in a platinum crucible, uniformly stirring by using ultrasonic waves, and removing bubbles; and then slowly cooling for a long time to prevent the glass block from generating internal stress. The cooled glass block must be measured by optical instruments to verify purity, transparency, uniformity, refractive index and dispersion are within specification. The qualified glass block is heated and forged to form an optical lens blank, and when the optical lens is applied, the optical lens needs to be firstly ground into a sample meeting the requirement.

However, the conventional grinding device, such as the grinding device for a small-diameter optical lens shown in application publication No. CN111958392A, includes a fixing base having an L-shaped fixing seat fixedly connected to an upper end thereof, and a lens fixing mechanism includes a first motor, a first electric push rod, a first clamping piece, a second clamping piece, a two-way type suction cup and a second electric push rod.

Disclosure of Invention

The present invention is directed to a high-efficiency grinding apparatus for processing an optical lens, which solves the above-mentioned problems of the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: a high-efficiency grinding device for processing an optical lens comprises a supporting base, four U-shaped sliding seats arranged on the upper end face of the supporting base and a rotating grinding mechanism arranged at the center of the upper end face of the supporting base, wherein a hollow inner cavity is formed in the supporting base, top sliding grooves which are arranged in a rectangular array and communicated with the inner cavity are formed in the upper end face of the supporting base, a group of first lead screws are arranged in the inner cavity right below each top sliding groove, the four U-shaped sliding seats are respectively arranged right above the top sliding grooves and are arranged in the top sliding grooves in a sliding mode through bottom sliding blocks arranged at the bottom ends of the U-shaped sliding seats, and the four first lead screws are in transmission connection with a first motor fixedly arranged on the bottom wall of the inner cavity through gear transmission assemblies in the inner cavity;

the utility model discloses a grinding mechanism, including U type slide, bottom supporting mechanism, side spout, drive second lead screw pivoted second motor, just the side spout is still connected with the spacing clamping mechanism who goes up and down to set up and press from both sides tight optical lens body on the second lead screw in the side spout, the inside diapire of U type slide is close to one side of rotating grinding mechanism and installs bottom sprag mechanism, and the inside roof of U type slide is located bottom sprag mechanism and installs top drive rotary mechanism directly over, set up the side spout of vertical setting on the inside lateral wall of U type slide to install the second lead screw in the side spout, the drive second lead screw pivoted second motor is installed on the top of U type slide, just still be connected with in the side spout and go up and down to set up and press from both sides tight optical lens body on the second lead screw.

Preferably, the gear transmission assembly comprises a first bevel gear which is fixedly sleeved at the end part of the first motor output shaft and is horizontally arranged and a second bevel gear which is fixedly sleeved at the end parts of the four first lead screws, is vertically arranged and is meshed with the first bevel gear, wherein the threads on the outer sides of the two first lead screws corresponding to the horizontal direction are opposite, and fixed shaft seats sleeved on the outer sides of the first lead screws are fixed at the positions, close to the second bevel gear, of the top wall of the inner cavity respectively.

Preferably, the bottom sliding block is welded and fixed in the middle of the bottom end face of the U-shaped sliding seat, the bottom sliding block is matched with the top sliding groove, and the bottom sliding block is in threaded sleeve joint with the first lead screw.

Preferably, the bottom support mechanism comprises a fixed outer tube fixed on the bottom wall inside the U-shaped sliding seat, a rotating inner tube inserted in the top end of the fixed outer tube and a rubber bottom suction cup installed on the top end of the rotating inner tube, an exhaust tube is further installed at the bottom end of the outer side face of the fixed outer tube, and the end of the exhaust tube extends into the inside of the fixed outer tube and is communicated with the rotating inner tube.

Preferably, top drive rotary mechanism includes that embedded first electric push rod and the fixed mounting of installing in U type slide top are at the third motor of first electric push rod piston tip, the fixed holding down plate that has the rubber material that has connect in the piston end outside of third motor.

Preferably, spacing clamping mechanism includes that one end screw thread cup joints the slip branch in the second lead screw outside, with slip branch tip fixed connection have be spacing outer dish that is the loop configuration and set up at spacing outer dish inside and be the arc splint of annular array, the arc splint are the rubber slab to be provided with three at least groups, the side of spacing outer dish is the embedded second electric push rod of connecting the arc splint that installs still.

Preferably, the rotating grinding mechanism comprises a fourth motor fixedly arranged at the center of the upper end face of the supporting base and a grinding rod fixedly arranged at the end part of an output shaft of the fourth motor, the upper end and the lower end of the grinding rod are of circular truncated cone structures symmetrically arranged, the middle of the grinding rod is of a cylindrical structure, and the top end of the grinding rod is fixedly connected with a connecting column.

Preferably, the equal fixed welding in two oblique diagonal angles departments of up end of support base has vertical support column, two the top fixed connection of support column supports the roof, the center department of supporting the roof is embedded to have ball bearing, just the top of spliced pole is pegged graft and is fixed in ball bearing.

The invention has the technical effects and advantages that: according to the high-efficiency grinding device for processing the optical lens, the rotary grinding mechanism is arranged at the center of the upper end face of the supporting base, the U-shaped sliding seats are arranged on four sides of the rotary grinding mechanism, one optical lens body is fixed in each U-shaped sliding seat, and the four U-shaped sliding seats are driven by the first motor, the gear transmission mechanism and the first lead screw to synchronously move towards or move away from the rotary grinding mechanism, so that when the rotary grinding mechanism is started to grind the optical lens bodies, the four optical lens bodies can work simultaneously, and the working efficiency is improved;

in addition, each U-shaped sliding seat is internally provided with a limiting clamping mechanism, the limiting clamping mechanism is lifted in the U-shaped sliding seat through a second motor and a second lead screw, meanwhile, a second electric push rod of the limiting clamping mechanism works, the arc-shaped clamping plate is driven to clamp the optical lens, the optical lens can be moved in a limiting mode, the optical lens body is located in the middle of a limiting outer disc of the limiting clamping mechanism, the optical lens body is guaranteed to be located in the middle of a rubber bottom sucking disc, the axis is formed to correspond, the grinding process is further achieved, the problem of grinding error caused by asymmetric center is solved, the quality of grinding is improved, the working efficiency is further improved, and the trouble that workers adjust the optical lens constantly is avoided.

Drawings

FIG. 1 is a cross-sectional view of the present invention;

FIG. 2 is a schematic view of a U-shaped slider according to the present invention;

FIG. 3 is a schematic structural view of a spacing and clamping mechanism of the present invention;

FIG. 4 is a top view of the spacing clamping mechanism of the present invention;

FIG. 5 is a schematic view of the rotary grinding mechanism of the present invention;

FIG. 6 is an enlarged schematic view of the structure at A of FIG. 1 in accordance with the present invention;

fig. 7 is a cross-sectional view of the fixed outer tube of the present invention.

In the figure: 1. a support base; 2. an inner cavity; 3. a first motor; 4. a first lead screw; 5. fixing the shaft seat; 6. a U-shaped slide seat; 7. a top chute; 8. a support pillar; 9. supporting a top plate; 10. connecting columns; 11. a limiting and clamping mechanism; 12. a bottom support mechanism; 13. a second motor; 14. a top drive rotation mechanism; 15. a second lead screw; 16. a side chute; 17. a third motor; 18. a lower pressing plate; 19. a first electric push rod; 20. a bottom slider; 21. fixing the outer tube; 22. rotating the inner tube; 23. a rubber bottom sucker; 24. an exhaust pipe; 25. a limiting outer disc; 26. a sliding support rod; 27. a second electric push rod; 28. an arc-shaped splint; 29. an optical lens body; 30. a fourth motor; 31. grinding the rod; 32. a second bevel gear; 33. a first bevel gear.

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 provides a high-efficiency grinding device for processing an optical lens, which comprises a supporting base 1, four U-shaped sliding seats 6 arranged on the upper end surface of the supporting base 1 and a rotary grinding mechanism arranged at the center of the upper end surface of the supporting base 1, wherein a hollow inner cavity 2 is arranged in the supporting base 1, top sliding grooves 7 which are arranged in a rectangular array and communicated with the inner cavity 2 are formed in the upper end surface of the supporting base 1, a group of first lead screws 4 are arranged in the inner cavity 2 right below each top sliding groove 7, the four U-shaped sliding seats 6 are respectively arranged right above the top sliding grooves 7 and are arranged in the top sliding grooves 7 in a sliding manner through bottom sliding blocks 20 arranged at the bottom ends, the four first lead screws 4 are in transmission connection with a first motor 3 fixedly arranged at the bottom wall of the inner cavity 2 through gear transmission components in the inner cavity 2, the first motor 3 is a servo motor;

bottom sprag mechanism 12 is installed near one side of rotating grinding mechanism to the inside diapire of U type slide 6, and U type slide 6's inside roof is located bottom sprag mechanism 12 and installs top drive rotary mechanism 14 directly over, set up the side spout 16 of vertical setting on the inside lateral wall of U type slide 6 to install second lead screw 15 in side spout 16, drive second lead screw 15 pivoted second motor 13 is installed on the top of U type slide 6, and the output shaft of second motor 13 and the coaxial fixed connection in second lead screw 15 top, and also be servo motor, just still be connected with in the side spout 16 and go up the limit clamping mechanism 11 that falls the setting and press from both sides tight optical lens body 29 on second lead screw 15.

Specifically, the gear transmission assembly comprises a first bevel gear 33 fixedly sleeved at the end part of the output shaft of the first motor 3 and horizontally arranged, and a second bevel gear 32 fixedly sleeved at the end parts of the four first lead screws 4 and vertically arranged and meshed with the first bevel gear 33, wherein the threads on the outer sides of the two horizontally corresponding first screw rods 4 are opposite, and the top wall of the inner cavity 2 is respectively fixed with a fixed shaft seat 5 which is sleeved on the outer side of the first screw rods 4 at the position close to the second bevel gear 32, the bottom sliding block 20 is welded and fixed in the middle of the bottom end face of the U-shaped sliding seat 6, the bottom sliding block 20 is matched with the top sliding groove 7, the bottom sliding block 20 is sleeved on the first lead screw 4 in a threaded manner, so that the U-shaped slide 6 on the first lead screw 4 can move the four U-shaped slides 6 closer to or farther away from the rotary grinding mechanism when the first motor 3 rotates via the bottom slide 20.

Specifically, the bottom support mechanism 12 includes a fixed outer tube 21 fixed at the bottom wall inside the U-shaped sliding seat 6, a rotating inner tube 22 inserted into the top end of the fixed outer tube 21, and a rubber bottom suction cup 23 installed at the top end of the rotating inner tube 22, an exhaust pipe 24 is further installed at the bottom end of the outer side surface of the fixed outer tube 21, and the end of the exhaust pipe 24 extends into the inside of the fixed outer tube 21 and is communicated with the rotating inner tube 22.

Specifically, top drive rotary mechanism 14 includes that embedded first electric push rod 19 and the fixed mounting of installing in the top of U type slide 6 are at the third motor 17 of first electric push rod 19 piston tip, the fixed holding down plate 18 that has the rubber material that has cup jointed in the piston end outside of third motor 17 conveniently compresses tightly optical lens body 29 downwards.

Specifically, spacing clamping mechanism 11 includes that one end screw thread cup joints slip branch 26 in the second lead screw 15 outside, with slip branch 26 tip fixed connection have be the spacing outer dish 25 of loop configuration and set up at the inside arc splint 28 that is annular array of spacing outer dish 25, arc splint 28 is the rubber slab to be provided with three at least groups, the side of spacing outer dish 25 is embedded the second electric push rod 27 of installing connection arc splint 28 still, can compress tightly optical lens body 29 at central point when second electric push rod 27 extends, form with the coaxial setting of spacing outer dish 25.

Specifically, the rotation grinding mechanism includes fourth motor 30 and the grinding rod 31 of fixed mounting at the fourth motor 30 output shaft tip of fixed mounting in supporting 1 up end center department of base, both ends are the round platform structure that the symmetry set up about grinding rod 31, and the centre is the cylindricality structure, and the top fixedly connected with spliced pole 10 of grinding rod 31.

Specifically, the equal fixed welding in two oblique diagonal angles department of up end of support base 1 has vertical support column 8, two the top fixed connection of support column 8 supports roof 9, the center department of supporting roof 9 is embedded to have ball bearing, just the top of spliced pole 10 is pegged graft and is fixed in ball bearing.

The working principle of the high-efficiency grinding device for processing the optical lens is that when an optical lens body 29 is ground, the second motor 13 is started to work, the second motor 13 drives the second lead screw 15 to rotate, and then the limiting outer disc 25 is driven to lift through the sliding support rod 26, so that the limiting outer disc 25 moves to the outer side of the rubber bottom sucker 23, at the moment, the optical lens body 29 is placed on the rubber bottom sucker 23, then the second electric push rod 27 is started to extend, the second electric push rod 27 drives the arc-shaped clamping plate 28 to move, so that the arc-shaped clamping plate 28 clamps the optical lens body 29 above the rubber bottom sucker 23 and is coaxially arranged with the rubber bottom sucker 23, then the first electric push rod 19 is started to extend, the first electric push rod 19 extends to drive the third motor 17 and the lower pressing plate 18 to move downwards until the lower pressing plate 18 contacts with the optical lens body 29, and the rubber bottom sucker 23 is compressed downwards to clamp the optical lens body 29 between the rubber bottom sucker 23 and the lower pressing plate 18, then the second motor 13 is started to rotate reversely, and the second electric push rod 27 is simultaneously contracted, the second electric push rod 27 is contracted to make the arc-shaped clamping plate 28 leave the optical lens, and the second motor 13 rotates reversely, the second lead screw 15 and the sliding support rod 26 drive the limiting outer disc 25 to ascend again, and the limiting outer disc moves to the topmost end of the inner side of the U-shaped sliding seat 6, at this time, the first motor 3 and the fourth motor 30 are started to rotate, the first motor 3 rotates to drive the first bevel gear 33 to rotate, the four first lead screws 4 are driven to rotate simultaneously by the meshing of the second bevel gear 32, when the first lead screw 4 rotates, the bottom sliding block 20 drives the U-shaped sliding seat 6 to approach the grinding rod 31 driven by the first motor 3 until the optical lens body 29 moves to be contacted with the grinding rod 31, the optical lens body 29 starts to be ground, and simultaneously the third motor 17 is started to rotate, and the third motor 17 rotates to drive the optical lens body 29 to rotate, grinding the optical lens body 29 comprehensively until the grinding is completed, closing the third motor 17 and the fourth motor 30, starting the first motor 3 to rotate reversely, resetting the U-shaped slide 6, screwing the air valve on the exhaust pipe 24 when the optical lens body 29 needs to be removed, and retracting the first electric push rod 19 to enable the lower press plate 18 to leave the optical lens body 29, and simultaneously enabling the optical lens body 29 to be separated from the rubber bottom suction disc 23 due to the air leakage of the exhaust pipe 24, removing the optical lens body 29, and starting to place the next group of optical lens bodies 29.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a high efficiency grinding device is used in optical lens processing, is supporting four U type slide (6) of base (1) up end and installing the rotation grinding mechanism who locates at support base (1) up end center including supporting base (1), setting, its characterized in that: the supporting base is characterized in that a hollow inner cavity (2) is formed in the supporting base (1), top sliding grooves (7) which are arranged in a rectangular array and communicated with the inner cavity (2) are formed in the upper end face of the supporting base (1), a group of first lead screws (4) are arranged in the inner cavity (2) under each top sliding groove (7), four U-shaped sliding seats (6) are respectively arranged over the top sliding grooves (7) and are arranged in the top sliding grooves (7) in a sliding mode through bottom sliding blocks (20) arranged at the bottom ends of the U-shaped sliding seats, and the four first lead screws (4) are in transmission connection with a first motor (3) fixedly arranged on the bottom wall of the inner cavity (2) through gear transmission assemblies in the inner cavity (2);

bottom sprag mechanism (12) are installed to one side that the inside diapire of U type slide (6) is close to and rotates grinding mechanism, and the inside roof of U type slide (6) is located bottom sprag mechanism (12) and installs top drive rotary mechanism (14) directly over, set up side spout (16) of vertical setting on the inside lateral wall of U type slide (6) to install second lead screw (15) in side spout (16), drive second lead screw (15) pivoted second motor (13) are installed on the top of U type slide (6), just still be connected with in side spout (16) and go up the limit clamp system (11) that drop set up and press from both sides tight optical lens body (29) on second lead screw (15).

2. The high-efficiency grinding device for processing an optical lens according to claim 1, wherein: the gear transmission assembly comprises a first bevel gear (33) which is horizontally arranged at the end part of an output shaft of a first motor (3) in a fixed sleeved mode and a second bevel gear (32) which is vertically arranged at the end part of four first lead screws (4) in a fixed sleeved mode and is meshed with the first bevel gear (33), wherein the threads of the two outer sides of the first lead screws (4) corresponding to the horizontal direction are opposite, and fixed shaft seats (5) sleeved on the outer sides of the first lead screws (4) are fixed at positions, close to the second bevel gear (32), of the top wall of the inner cavity (2) respectively.

3. The high-efficiency grinding device for processing an optical lens according to claim 1, wherein: the bottom sliding block (20) is welded and fixed in the middle of the bottom end face of the U-shaped sliding seat (6), the bottom sliding block (20) is matched with the top sliding groove (7), and the bottom sliding block (20) is in threaded sleeve joint with the first lead screw (4).

4. The high-efficiency grinding device for processing an optical lens according to claim 1, wherein: bottom sprag mechanism (12) are including fixing fixed outer tube (21) in the inside diapire department of U type slide (6), pegging graft rotation inner tube (22) in fixed outer tube (21) top and installing at rubber bottom suction cup (23) on rotation inner tube (22) top, blast pipe (24) are still installed to the lateral surface bottom of fixed outer tube (21), the tip of blast pipe (24) stretches into fixed outer tube (21) inside and rotates inner tube (22) intercommunication.

5. The high-efficiency grinding device for processing an optical lens according to claim 1, wherein: top drive rotary mechanism (14) are including embedded first electric push rod (19) and the third motor (17) of fixed mounting at first electric push rod (19) piston tip of installing in U type slide (6) top, the fixed holding down plate (18) of having cup jointed the rubber material in the piston end outside of third motor (17).

6. The high-efficiency grinding device for processing an optical lens according to claim 1, wherein: spacing clamping mechanism (11) include that one end screw thread cup joints slip branch (26) in second lead screw (15) outside, with slip branch (26) tip fixed connection have be spacing outer dish (25) that are the loop configuration and set up arc splint (28) at spacing outer dish (25) inside and be the annular array, arc splint (28) are the rubber slab to be provided with at least three groups, the side of spacing outer dish (25) is embedded second electric push rod (27) of connecting arc splint (28) still.

7. The high-efficiency grinding device for processing an optical lens according to claim 1, wherein: the rotary grinding mechanism comprises a fourth motor (30) fixedly mounted at the center of the upper end face of the supporting base (1) and a grinding rod (31) fixedly mounted at the end part of an output shaft of the fourth motor (30), the upper end and the lower end of the grinding rod (31) are round table structures symmetrically arranged, the middle of each round table structure is a cylindrical structure, and the top end of the grinding rod (31) is fixedly connected with a connecting column (10).

8. The high-efficiency grinding apparatus for optical lens processing according to claim 7, wherein: the equal fixed welding of two oblique diagonal angles departments of up end of support base (1) has vertical support column (8), two the top fixed connection of support column (8) supports roof (9), the center department of supporting roof (9) is embedded to have ball bearing, just the top of spliced pole (10) is pegged graft and is fixed in ball bearing.