CN111251118A - Bending degree scanning mechanism of lens edge grinding machine - Google Patents
Bending degree scanning mechanism of lens edge grinding machine Download PDFInfo
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- CN111251118A CN111251118A CN202010140829.7A CN202010140829A CN111251118A CN 111251118 A CN111251118 A CN 111251118A CN 202010140829 A CN202010140829 A CN 202010140829A CN 111251118 A CN111251118 A CN 111251118A
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- fixed
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- top end
- displacement sensor
- laser displacement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
- B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
- B24B9/06—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain
- B24B9/08—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass
- B24B9/14—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass of optical work, e.g. lenses, prisms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0046—Column grinding machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
- B24B49/12—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation involving optical means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
- B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
- B24B9/06—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain
- B24B9/08—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass
- B24B9/14—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass of optical work, e.g. lenses, prisms
- B24B9/146—Accessories, e.g. lens mounting devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention belongs to the technical field of lens edge grinding machines, and particularly relates to a curvature scanning mechanism of a lens edge grinding machine, which comprises a bottom plate, wherein a driving motor is fixed at the top end of the bottom plate, a support is fixed at the top end of the bottom plate, a rotating column is rotatably installed at the top end of the support, the output shaft end of the driving motor is fixedly connected with the rotating column, a fixed chuck is fixed at the top end of the rotating column, a support frame is fixed at the top end of the support frame, a laser displacement sensor is fixed in the middle of the support frame, a first push rod motor is fixed at the top end of the support frame, a cylinder is rotatably installed at the output shaft end of the first push rod motor, and; the invention measures the curvature of the lens by the matching of the laser displacement sensor and the sliding block, improves the measuring accuracy, and simultaneously avoids the accidents of loosening, sliding and the like in the measuring process, thereby ensuring the measuring precision.
Description
Technical Field
The invention belongs to the technical field of lens edge grinding machines, and particularly relates to a curvature scanning mechanism of a lens edge grinding machine.
Background
Spectacles are simple optical devices made for correcting eyesight or protecting eyes, and consist of lenses and a spectacle frame. The glasses for correcting the vision comprise four types of myopia glasses, hyperopia glasses, presbyopic glasses and astigmatic glasses, and other types of glasses comprise goggles, sunglasses, swimming glasses and the like, so that various protections are provided for the eyes. The glasses are not only tools for protecting eyes, but also a cosmetic ornament. From the function of the lens, the lens has the functions of adjusting the light quantity entering the eyes, increasing the eyesight, protecting the safety of the eyes and clinically treating the eye diseases. Can be used for treating infantile strabismus caused by ametropia and ametropia complicated with headache after wearing glasses.
At present, the curvature scanning mechanism of the domestic edge grinding machine adopts a profiling method or uses an elastomer and other objects to pull a probe to measure the curvature of a lens, and the two methods have larger uncontrollable property; the mold-dependent method is easy to generate sliding during measurement, thereby generating errors; the elastic body and the like are used for drawing the probe to measure, so that the probe is easily influenced by the outside, is easy to loosen after a long time and generates errors on measurement; the two methods are easy to cause the scrapping of the lens, cause economic loss and possibly bring unnecessary trouble to a patient, so that the invention provides the curvature scanning mechanism of the lens edge grinding machine.
Disclosure of Invention
In order to make up for the defects of the prior art, the curvature scanning mechanism of the lens edge grinding machine provided by the invention measures the curvature of the lens through the matching of the laser displacement sensor and the sliding block, so that the measuring accuracy is improved, and meanwhile, accidents such as looseness, sliding and the like cannot occur in the measuring process, so that the measuring precision is ensured.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a curvature scanning mechanism of a lens edge grinding machine, which comprises a bottom plate, wherein a driving motor is fixed at the top end of the bottom plate, a support is fixed at the top end of the bottom plate, a rotating column is rotatably installed at the top end of the support, an output shaft end of the driving motor is fixedly connected with the rotating column, a fixed chuck is fixed at the top end of the rotating column, a support frame is fixed at the top end of the support frame, a laser displacement sensor is fixed at the middle part of the support frame, a first push rod motor is fixed at the top end of the support frame, a cylinder is rotatably installed at the output shaft end of the first push rod motor, sucking discs are fixed at the bottom end of the cylinder and the top end of the fixed chuck, a baffle is fixed at the top end of the support frame, a trapezoidal groove is formed at the top end of the, the controller is used for controlling the scanning mechanism to work; when the bending scanning mechanism works, the bending scanning mechanism of the domestic edge grinding machine adopts a profiling method or uses an elastic body and other objects to pull a probe to measure the bending of the lens, and the two methods have larger uncontrollable property; the mold-dependent method is easy to generate sliding during measurement, thereby generating errors; the elastic body and the like are used for drawing the probe to measure, so that the probe is easily influenced by the outside, is easy to loosen after a long time and generates errors on measurement; the two methods are easy to cause the scrapping of the lens, cause economic loss and possibly bring unnecessary troubles to patients, and the invention solves the problem; the lens is placed above the sucking disc at the bottom, and the first push rod motor is controlled to work through the controller, so that the output shaft of the first push rod motor extends, and the output shaft of the first push rod motor drives the sucking disc above to move downwards; the upper sucker moves downwards and presses the lens, so that the lens is fixed between the two suckers; when the lens is in a static state, the edge of the lens and one end structure of the sliding block, which is far away from the laser displacement sensor, work under the control of the controller, and the working driving motor drives the rotating column to rotate, so that the fixed chuck at the top end of the rotating column drives the lens to rotate; the edge of the lens and the sliding block are in a continuous sliding state when the lens rotates, so that the edge of the lens drives the sliding block to do linear reciprocating motion, and the sliding block is always kept in contact with the edge of the lens under the action of the return spring; the laser emitted by the laser displacement sensor irradiates the surface of the sliding block and rebounds, so that the laser displacement sensor measures the moving amplitude of the sliding block and transmits the numerical value to the controller, and the controller calculates the data measured by the laser displacement sensor to obtain the curvature of the lens; the curvature of the lens is measured through the cooperation of the laser displacement sensor and the sliding block, the measuring accuracy is improved, and meanwhile, accidents such as looseness, sliding and the like cannot happen in the measuring process, so that the measuring precision is guaranteed.
Preferably, a pressure sensor is arranged at one end, away from the laser displacement sensor, of the sliding block, a second push rod motor is fixed at the top end of the baffle, and the output shaft end of the second push rod motor is fixedly connected with the sliding block; when the lens deflection adjusting device works, the slide block is returned and pre-tightened through the return spring, so that the acting force of the slide block on the lens is easy to be overlarge, and the lens deflects; the pressure sensor is arranged, so that the pressure value between the sliding block and the lens is detected, the pressure sensor transmits the detected numerical value to the controller, and the controller controls the second push rod motor to make the second push rod motor make a corresponding reaction after calculation so as to ensure the fitting of the sliding block and the lens; the slider remains the laminating with the lens all the time under the drive of No. two push rod motors, and the degree of the dynamics of laminating and degree unanimous make the crookedness that laser displacement sensor surveyed more accurate.
Preferably, an arc-shaped groove is formed in one end, away from the laser displacement sensor, of the sliding block, and the pressure sensor is installed in the groove; when the device works, the groove arranged at one end of the sliding block is more tightly attached to the edge of the lens, and the sliding block is adjusted on the lens in the rotating process of the lens, so that the problem of large measurement error caused by the fact that the lens is not correct in clamping is solved; the groove of the sliding block always contains the edge of the lens in the rotating process of the lens, so that the edge of the lens is at the same height level, and the measurement accuracy of the curvature of the lens is improved.
Preferably, the sliding block is of a trapezoidal structure, the width value of one end, away from the laser displacement sensor, of the sliding block is smaller than that of one end, close to the laser displacement sensor, of the sliding block, one side, close to the laser displacement sensor, of the sliding block is parallel to the laser displacement sensor, and the moving direction of the sliding block is consistent with the light moving direction of the laser displacement sensor; when the laser displacement sensor works, the width of one end, away from the laser displacement sensor, of the sliding block is small, so that the contact area between the sliding block and the lens is small, the attaching degree of the lens and the sliding block is improved, and meanwhile, the friction force between the sliding block and the lens is reduced; the lens is more tightly attached to the sliding block, the friction force between the lens and the sliding block is reduced, so that the lens rotates more smoothly, and meanwhile, the data measured by the laser displacement sensor is more accurate; the width value of one end, close to the laser displacement sensor, of the sliding block is large, so that the sliding block can receive laser emitted by the laser displacement sensor, and measurement failure is avoided; the moving direction of the sliding block is ensured so that the different positions of the sliding block do not influence the measurement of the laser displacement sensor, and the problem that the laser return path of the laser displacement sensor deflects due to the movement of the sliding block, so that the measurement error is increased is solved.
Preferably, two connecting blocks are fixed at the output shaft end of the first push rod motor, a round hole is formed in the bottom end of each connecting block, a straight rod is movably mounted in each round hole, a limiting block is fixed at the bottom end of each straight rod, and a connecting rod is fixed between the limiting blocks; when the device works, whether the lens is horizontal or not is not easy to judge when the lens is placed manually, so that the measurement error is increased; the limiting block is arranged, and the limiting block is pulled downwards after the lens is placed on the sucker, so that the limiting block is attached to the top end of the lens; whether the lens is in the level can be judged through the position measurement of the limiting block, the lens is compressed tightly after the levelness of the lens is adjusted, and therefore the beating amplitude of the lens during rotation is small, and the measuring precision is guaranteed.
Preferably, the limiting block is a triangular frame and is used for correcting the position of the lens; when the lens works, the limiting block is triangular, so that the triangle of the limiting block carries out triangular positioning on the top edge of the lens, and a plane is formed; the lens is in a correct fixed position after being limited by the limiting block, so that the lens cannot be deflected in the rotating process; the contact between the lens which rotates stably and the sliding block is stable and accurate, so that the measuring accuracy is ensured.
The invention has the following beneficial effects:
1. according to the curvature scanning mechanism of the lens edge grinding machine, the curvature of the lens is measured through the cooperation of the laser displacement sensor and the sliding block, the measuring accuracy is improved, meanwhile, accidents such as looseness, sliding and the like cannot occur in the measuring process, and therefore the measuring precision is guaranteed.
2. According to the curvature scanning mechanism of the lens edge grinding machine, whether the lens is in the horizontal state or not can be judged through the position measurement of the limiting block, and the lens is tightly pressed after the levelness of the lens is adjusted, so that the small jumping amplitude of the lens during rotation is ensured, and the measurement precision is further ensured.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a three-dimensional view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 2 at A;
FIG. 3 is a schematic view of the working state of the present invention;
in the figure: the device comprises a bottom plate 1, a driving motor 2, a support 3, a rotating column 4, a support frame 5, a laser displacement sensor 6, a first push rod motor 7, a sucker 8, a baffle 9, a sliding block 10, a return spring 11, a second push rod motor 12, a groove 13, a connecting block 14, a limiting block 15 and a connecting rod 16.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 3, the curvature scanning mechanism of a lens edge grinding machine according to the present invention comprises a bottom plate 1, a driving motor 2 is fixed on the top end of the bottom plate 1, a support 3 is fixed on the top end of the bottom plate 1, a rotating column 4 is rotatably installed on the top end of the support 3, an output shaft end of the driving motor 2 is fixedly connected with the rotating column 4, a fixed chuck is fixed on the top end of the rotating column 4, a support frame 5 is fixed on the top end of the support frame 3, a laser displacement sensor 6 is fixed in the middle of the support frame 5, a first push rod motor 7 is fixed on the top end of the support frame 5, a cylinder is rotatably installed on the output shaft end of the first push rod motor 7, suction cups 8 are fixed on the bottom end of the cylinder and the top end of the fixed chuck, a baffle plate 9 is fixed on the top end of the support, a return spring 11 is fixed between the bottom end of the sliding block 10 and the baffle 9, and a controller is arranged on the bottom plate 1 and used for controlling the scanning mechanism to work; when the bending scanning mechanism works, the bending scanning mechanism of the domestic edge grinding machine adopts a profiling method or uses an elastic body and other objects to pull a probe to measure the bending of the lens, and the two methods have larger uncontrollable property; the mold-dependent method is easy to generate sliding during measurement, thereby generating errors; the elastic body and the like are used for drawing the probe to measure, so that the probe is easily influenced by the outside, is easy to loosen after a long time and generates errors on measurement; the two methods are easy to cause the scrapping of the lens, cause economic loss and possibly bring unnecessary troubles to patients, and the invention solves the problem; the lens is placed above the sucking disc 8 at the bottom, and the first push rod motor 7 is controlled to work through the controller, so that the output shaft of the first push rod motor 7 extends, and the output shaft of the first push rod motor 7 drives the sucking disc 8 above to move downwards; the upper suction cup 8 moves downwards and presses the lens, so that the lens is fixed between the two suction cups 8; when the lens is in a static state, the edge of the lens and one end structure of the sliding block 10, which is far away from the laser displacement sensor 6, work under the control of the controller, and the working driving motor 2 drives the rotating column 4 to rotate, so that the fixed chuck at the top end of the rotating column 4 drives the lens to rotate; when the lens rotates, the edge of the lens and the sliding block 10 are in a continuous sliding state, so that the edge of the lens drives the sliding block 10 to do linear reciprocating motion, and the sliding block 10 is always kept in contact with the edge of the lens under the action of the return spring 11; the laser emitted by the laser displacement sensor 6 irradiates the surface of the sliding block 10 and rebounds, so that the laser displacement sensor 6 measures the moving amplitude of the sliding block 10 and transmits the numerical value to the controller, and the controller calculates the data measured by the laser displacement sensor 6 to obtain the curvature of the lens; the curvature of the lens is measured through the matching of the laser displacement sensor 6 and the sliding block 10, so that the measuring accuracy is improved, and meanwhile, accidents such as looseness, sliding and the like cannot happen in the measuring process, so that the measuring precision is guaranteed.
As a specific embodiment of the invention, a pressure sensor is arranged at one end of the sliding block 10 far away from the laser displacement sensor 6, a second push rod motor 12 is fixed at the top end of the baffle 9, and the output shaft end of the second push rod motor 12 is fixedly connected with the sliding block 10; when the lens bending machine works, the slide block 10 is returned and pre-tightened through the return spring 11, so that the acting force of the slide block 10 on a lens is easily overlarge, and the lens deflects; the pressure sensor is arranged, so that the pressure value between the sliding block 10 and the lens is detected, the pressure sensor transmits the detected numerical value to the controller, and the controller controls the second push rod motor 12 to enable the second push rod motor 12 to make a corresponding reaction after calculation so as to ensure the fit between the sliding block 10 and the lens; the slider 10 keeps the laminating with the lens all the time under the drive of No. two push rod motors 12, and the dynamics and the degree of laminating unanimously make the crookedness that laser displacement sensor 6 surveyed more accurate.
As a specific embodiment of the present invention, an arc-shaped groove 13 is provided at one end of the slider 10 away from the laser displacement sensor 6, and the pressure sensor is installed in the groove 13; when the device works, the groove 13 arranged at one end of the sliding block 10 is tightly attached to the edge of the lens, and meanwhile, the sliding block 10 is adjusted on the lens in the rotating process of the lens, so that the problem of large measurement error caused by the fact that the lens is not correct in the clamping process is solved; the groove 13 of the slider 10 always contains the edge of the lens therein during the rotation of the lens, so that the edge of the lens is at the same height level, thereby improving the measurement accuracy of the curvature of the lens.
As a specific embodiment of the present invention, the slider 10 is of a trapezoidal structure, a width value of one end of the slider 10 away from the laser displacement sensor 6 is smaller than that of one end of the slider 10 close to the laser displacement sensor 6, one side of the slider 10 close to the laser displacement sensor 6 is parallel to the laser displacement sensor 6, and a moving direction of the slider 10 is consistent with a light moving direction of the laser displacement sensor 6; when the laser displacement sensor works, the width of one end, far away from the laser displacement sensor 6, of the sliding block 10 is small, so that the contact area between the sliding block 10 and the lens is small, the attaching degree of the lens and the sliding block 10 is improved, and meanwhile, the friction force between the sliding block 10 and the lens is reduced; the lens is more tightly attached to the sliding block 10, and the friction force between the lens and the sliding block is reduced, so that the lens rotates more smoothly, and meanwhile, the data measured by the laser displacement sensor 6 is more accurate; the width value of one end of the sliding block 10 close to the laser displacement sensor 6 is large, so that the sliding block 10 can receive laser emitted by the laser displacement sensor 6, and measurement failure is avoided; the moving direction of the slider 10 is ensured so that the different positions of the slider 10 do not influence the measurement of the laser displacement sensor 6, and the problem that the laser return path of the laser displacement sensor 6 deflects due to the movement of the slider 10, thereby causing the measurement error to become larger is avoided.
As a specific embodiment of the invention, two connecting blocks 14 are fixed at the output shaft end of the first push rod motor 7, a round hole is formed at the bottom end of each connecting block 14, a straight rod is movably installed in the round hole, a limiting block 15 is fixed at the bottom end of the straight rod, and a connecting rod 16 is fixed between the limiting blocks 15; when the device works, whether the lens is horizontal or not is not easy to judge when the lens is placed manually, so that the measurement error is increased; by arranging the limiting block 15, the limiting block 15 is pulled downwards after the lens is placed on the sucking disc 8, so that the limiting block 15 is attached to the top end of the lens; whether the lens is in the level or not can be judged through the position measurement of the limiting block 15, the lens is compressed tightly after the levelness of the lens is adjusted, and therefore the beating amplitude of the lens during rotation is small, and the measuring precision is guaranteed.
As a specific embodiment of the present invention, the limiting block 15 is a triangular frame, and the limiting block 15 is used for correcting the position of the lens; when the lens works, the limiting block 15 is triangular, so that the triangle of the limiting block 15 carries out triangular positioning on the top edge of the lens, and a plane is formed; the lens is in a correct fixed position after being limited by the limiting block 15, so that the lens cannot be deflected in the rotating process; the contact between the lens which rotates stably and the slide block 10 is stable and accurate, thereby ensuring the accuracy of measurement.
When the bending scanning mechanism works, the bending scanning mechanism of the domestic edge grinding machine adopts a profiling method or uses an elastic body and other objects to pull a probe to measure the bending of the lens, and the two methods have larger uncontrollable property; the mold-dependent method is easy to generate sliding during measurement, thereby generating errors; the elastic body and the like are used for drawing the probe to measure, so that the probe is easily influenced by the outside, is easy to loosen after a long time and generates errors on measurement; the two methods are easy to cause the scrapping of the lens, cause economic loss and possibly bring unnecessary troubles to patients, and the invention solves the problem; the lens is placed above the sucking disc 8 at the bottom, and the first push rod motor 7 is controlled to work through the controller, so that the output shaft of the first push rod motor 7 extends, and the output shaft of the first push rod motor 7 drives the sucking disc 8 above to move downwards; the upper suction cup 8 moves downwards and presses the lens, so that the lens is fixed between the two suction cups 8; when the lens is in a static state, the edge of the lens and one end structure of the sliding block 10, which is far away from the laser displacement sensor 6, work under the control of the controller, and the working driving motor 2 drives the rotating column 4 to rotate, so that the fixed chuck at the top end of the rotating column 4 drives the lens to rotate; when the lens rotates, the edge of the lens and the sliding block 10 are in a continuous sliding state, so that the edge of the lens drives the sliding block 10 to do linear reciprocating motion, and the sliding block 10 is always kept in contact with the edge of the lens under the action of the return spring 11; the laser emitted by the laser displacement sensor 6 irradiates the surface of the sliding block 10 and rebounds, so that the laser displacement sensor 6 measures the moving amplitude of the sliding block 10 and transmits the numerical value to the controller, and the controller calculates the data measured by the laser displacement sensor 6 to obtain the curvature of the lens; the curvature of the lens is measured through the matching of the laser displacement sensor 6 and the sliding block 10, so that the measuring accuracy is improved, and meanwhile, accidents such as looseness, sliding and the like cannot happen in the measuring process, so that the measuring precision is guaranteed.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a lens edging machine crookedness scanning mechanism, includes bottom plate (1), its characterized in that: the top end of the bottom plate (1) is fixed with a driving motor (2), the top end of the bottom plate (1) is fixed with a support (3), the top end of the support (3) is rotatably installed with a rotating column (4), the output shaft end of the driving motor (2) is fixedly connected with the rotating column (4), the top end of the rotating column (4) is fixed with a fixed chuck, the top end of the support (3) is fixed with a support frame (5), the middle part of the support frame (5) is fixed with a laser displacement sensor (6), the top end of the support frame (5) is fixed with a push rod motor (7), the output shaft end of the push rod motor (7) is rotatably installed with a cylinder, the bottom end of the cylinder and the top end of the fixed chuck are both fixed with a sucker (8), the top end of the support (3) is fixed with a baffle (9), the top end of the baffle (9), a return spring (11) is fixed between the bottom end of the sliding block (10) and the baffle (9), and a controller is arranged on the bottom plate (1) and used for controlling the scanning mechanism to work.
2. The lens edger bow scanning mechanism of claim 1, wherein: one end of the sliding block (10) far away from the laser displacement sensor (6) is provided with a pressure sensor, the top end of the baffle (9) is fixed with a second push rod motor (12), and the output shaft end of the second push rod motor (12) is fixedly connected with the sliding block (10).
3. The lens edger bow scanning mechanism of claim 2, wherein: one end, far away from the laser displacement sensor (6), of the sliding block (10) is provided with an arc-shaped groove (13), and the pressure sensor is installed in the groove (13).
4. A lens edger bow scanning mechanism according to claim 3, wherein: slider (10) are the trapezium structure, the one end width value that laser displacement sensor (6) were kept away from in slider (10) is less than slider (10) and is close to the one end of laser displacement sensor (6), slider (10) are close to one side of laser displacement sensor (6) and are parallel with laser displacement sensor (6), the moving direction of slider (10) is unanimous with the light moving direction of laser displacement sensor (6).
5. The lens edger bow scanning mechanism of claim 1, wherein: two connecting blocks (14) are fixed to the output shaft end of the first push rod motor (7), a round hole is formed in the bottom end of each connecting block (14), a straight rod is movably mounted in the round hole, a limiting block (15) is fixed to the bottom end of the straight rod, and a connecting rod (16) is fixed between the limiting blocks (15).
6. The lens edger bow scanning mechanism of claim 5, wherein: the limiting block (15) is a triangular frame, and the limiting block (15) is used for correcting the position of the lens.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010140829.7A CN111251118A (en) | 2020-03-03 | 2020-03-03 | Bending degree scanning mechanism of lens edge grinding machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010140829.7A CN111251118A (en) | 2020-03-03 | 2020-03-03 | Bending degree scanning mechanism of lens edge grinding machine |
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| CN111251118A true CN111251118A (en) | 2020-06-09 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112171081A (en) * | 2020-09-22 | 2021-01-05 | 四川恒格光电科技有限公司 | Slicing machine and using method thereof |
| CN115388791A (en) * | 2022-10-31 | 2022-11-25 | 临沂紫晶光电有限公司 | Lens thickness shape detection device and detection method |
| CN116718148A (en) * | 2023-08-10 | 2023-09-08 | 菏泽明钰光电科技有限公司 | Accurate size measurement equipment for optical lens |
-
2020
- 2020-03-03 CN CN202010140829.7A patent/CN111251118A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112171081A (en) * | 2020-09-22 | 2021-01-05 | 四川恒格光电科技有限公司 | Slicing machine and using method thereof |
| CN112171081B (en) * | 2020-09-22 | 2024-04-16 | 四川恒格光电科技有限公司 | Slicer and use method thereof |
| CN115388791A (en) * | 2022-10-31 | 2022-11-25 | 临沂紫晶光电有限公司 | Lens thickness shape detection device and detection method |
| CN115388791B (en) * | 2022-10-31 | 2023-01-24 | 临沂紫晶光电有限公司 | Lens thickness shape detection device and detection method |
| CN116718148A (en) * | 2023-08-10 | 2023-09-08 | 菏泽明钰光电科技有限公司 | Accurate size measurement equipment for optical lens |
| CN116718148B (en) * | 2023-08-10 | 2023-11-03 | 菏泽明钰光电科技有限公司 | Accurate size measurement equipment for optical lens |
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