CN112847018A - Positioning disc for prismatic spherical mirror and prismatic spherical mirror production method - Google Patents

Positioning disc for prismatic spherical mirror and prismatic spherical mirror production method Download PDF

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Publication number
CN112847018A
CN112847018A CN202110349038.XA CN202110349038A CN112847018A CN 112847018 A CN112847018 A CN 112847018A CN 202110349038 A CN202110349038 A CN 202110349038A CN 112847018 A CN112847018 A CN 112847018A
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China
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positioning
spherical
prismatic
clamping
prism
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CN202110349038.XA
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CN112847018B (en
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张峰
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Nanyang Leen Photoelectric Co ltd
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Nanyang Leen Photoelectric Co ltd
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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
    • B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
    • 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
    • B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
    • B24B13/005—Blocking means, chucks or the like; Alignment devices
    • B24B13/0055—Positioning of lenses; Marking of lenses
    • 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
    • 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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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)

Abstract

The invention belongs to a positioning disk for a prismatic spherical mirror and a production method of the prismatic spherical mirror; the positioning disc comprises a positioning surface for clamping a plurality of prisms and a clamping and positioning unit which is suitable for clamping and positioning a spherical milling machine, a spherical refiner and a spherical polisher; the positioning disc type spherical mirror has the advantages of being simple in structure and reasonable in design, being capable of producing a plurality of prismatic spherical mirrors simultaneously, effectively solving the problem of spherical surface opening operation of the lenses and achieving follow-up operation on the basis of not replacing the positioning disc, and accordingly improving production efficiency and guaranteeing product precision.

Description

Positioning disc for prismatic spherical mirror and prismatic spherical mirror production method
Technical Field
The invention belongs to the technical field of optical lens production and processing, and particularly relates to a positioning disc for a prismatic spherical mirror and a prismatic spherical mirror production method.
Background
With the development of science and technology, the requirements on the shape and precision of an optical lens are higher and higher, and especially the demand of a prismatic spherical mirror is higher and higher; the prismatic spherical mirror has a main body of a triangular prism structure, namely the prismatic spherical mirror is composed of three side surfaces, an upper end surface and a lower end surface, wherein one side surface is in a spherical mirror structure; the manufacturing difficulty of the structure in the field of optical lens production and processing is very high, specifically speaking, two conventional processing modes are provided, and the first mode is as follows: performing spherical surface opening operation on the integral lens, then cutting the integral lens into a plurality of prismatic spherical mirrors, and then performing fine grinding and polishing on the qualified prismatic spherical mirrors; the second method is as follows: cutting the optical lens into a plurality of triangular prisms, and then respectively performing operations such as spherical surface opening, fine grinding, polishing and the like on the corresponding side surfaces of the triangular prisms; the first method is generally applied to the production and processing process of the prismatic spherical mirror, but has the defects of high rejection rate, high processing difficulty, high labor intensity and the like, and specifically comprises the following steps: carrying out the spherical surface opening operation on the whole lens, wherein only a small part of spherical surfaces meet the requirements, cutting the spherical surfaces meeting the requirements one by one in a triangular prism form after the spherical surface opening operation is finished, and then checking whether the spherical surfaces are qualified one by one, wherein the qualified semi-finished prismatic spherical lenses need to be subjected to subsequent operation one by one due to the fact that no special clamp exists; the working process causes a large amount of lenses to be treated as waste products, and the subsequent process has the defects of high processing difficulty, high labor intensity and product quality defects due to carelessness; the second method is only in theory, so far, no case of successfully producing the product exists, and the reason for the second method is that the operation difficulty of opening the spherical surface of the triangular prism is high, mainly because the spherical center of the prismatic spherical mirror is not on the prism; the two methods have the problem of no special clamp, and particularly have the defects that the deviation can occur carelessly in the subsequent fine grinding and polishing operation, the appearance of the product is damaged, a large precision error exists, and the product cannot be used in serious cases.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides the positioning disk for the prismatic spherical mirror and the prismatic spherical mirror production method, which have the advantages of simple structure and reasonable design, can realize simultaneous production of a plurality of prismatic spherical mirrors, can effectively solve the problem of the spherical surface opening operation of the lens, and can realize the follow-up operation on the basis of not replacing the positioning disk so as to improve the production efficiency and ensure the product precision.
In order to achieve the purpose, the invention adopts the technical scheme that:
a locating disc for a prismatic spherical mirror comprises a locating surface and a clamping and locating unit, wherein the locating surface is used for clamping a plurality of prisms, and the clamping and locating unit is suitable for clamping and locating a spherical milling machine, a spherical fine grinding machine and a spherical polishing machine.
Preferably, the positioning surface is a spherical structure with a circular arc-shaped cross section, a plurality of V-shaped positioning grooves for positioning the prismatic spherical mirror are arranged along the edge of the spherical structure, and each V-shaped positioning groove comprises a vertical positioning surface close to the edge of the spherical structure and a slope-shaped positioning surface close to the center of the spherical structure.
Preferably, the vertical positioning surfaces and the slope-shaped positioning surfaces in the plurality of V-shaped positioning grooves have the same distance from the center of the spherical structure; a plurality of V-shaped positioning grooves are uniformly distributed on the edge of the spherical structure.
Preferably, the plurality of V-shaped positioning grooves are respectively provided with positioning columns, and the distances from the plurality of positioning columns to the center of the spherical structure are the same.
Preferably, a movable positioning column is arranged on one side of the same V-shaped positioning groove corresponding to the positioning column; the distance between the positioning column and the movable positioning column is equal to the height of the prismatic spherical mirror; the inner side of the vertical positioning surface is provided with a first clamping groove, the inner side of the slope positioning surface corresponding to the first clamping groove is clamped with a second clamping groove, one end of the movable positioning column is matched with the first clamping groove, and the other end of the movable positioning column is matched with the second clamping groove.
Preferably, the positioning column is arranged at the vertical positioning surface, the slope-shaped positioning surface or the connection part of the vertical positioning surface and the slope-shaped positioning surface; the high center of the prismatic spherical mirror, the center of the V-shaped positioning groove and the center of the spherical structure of the positioning surface which are positioned by the positioning column and the movable positioning column are positioned on the same straight line.
Preferably, the positioning columns are in contact with the end faces of the prismatic spherical mirrors on the same side.
Preferably, the clamping and positioning unit comprises a step arranged on the back of the positioning surface, the outer circumference of the step is matched with a milling and grinding clamp of the spherical milling and grinding machine, and a plurality of limiting grooves matched with bumps on the inner wall of the milling and grinding clamp are uniformly distributed on the outer circumference of the step; the inside of the step is provided with a cone groove with a conical section, and a connecting line between the center of the bottom of the cone groove and the center of the spherical structure is vertical to the horizontal plane.
Preferably, the center position of the bottom of the cone groove is provided with a wear-resistant metal cushion block.
The invention also provides a prismatic spherical mirror production method of the positioning disk for the prismatic spherical mirror, which comprises the following steps:
step 1: one surface of the prism is in close contact with the vertical positioning surface, the second surface of the prism is in close contact with the slope positioning surface, the surface to be ground faces upwards, and one end of the prism is in close contact with the positioning column;
step 2: clamping the movable positioning column between the first clamping groove and the second clamping groove to enable the positioning surface, the prism and the movable positioning column to be of an integrated structure;
and step 3: after the fixing is finished, sleeving the steps on the back of the positioning disc in the milling fixture, enabling the plurality of limiting grooves to be matched with the bumps on the inner wall of the milling fixture, and milling and opening the spherical surface of the ball to be milled of the prism through a spherical surface milling machine;
and 5: after the prism is milled and opened by the spherical milling machine, the clamping and positioning unit is taken down from the spherical milling machine, then the string rods of the spherical refiner are pressed in the cone grooves, the top positions of the string rods are contacted with the wear-resistant cushion blocks, and the positioning disc is pressed by the string rods of the spherical refiner for fine grinding;
step 6: after the spherical surface of the prism is finely ground by the spherical surface fine grinding machine, the clamping and positioning unit is taken down from the spherical surface fine grinding machine, then the string rods of the spherical surface polishing machine are pressed in the cone grooves, the top positions of the string rods are in contact with the wear-resistant cushion blocks, and the positioning disc is polished after being pressed by the string rods of the spherical surface polishing machine;
and 7: after the spherical surface polishing machine polishes the spherical surface of the prism, the clamping and positioning unit is taken down from the spherical surface polishing machine;
and 8: taking out the movable positioning column from the first clamping groove and the second clamping groove, and taking down the prismatic spherical mirror; one end of the movable positioning column, which is matched with the second clamping groove, is in a slope shape.
According to the positioning disc for the prismatic spherical mirror and the prismatic spherical mirror production method manufactured according to the scheme, positioning clamping of a plurality of prisms can be achieved by arranging the positioning disc, meanwhile, the spherical structure center of the positioning surface in the positioning disc is used as the spherical center of the prism during spherical surface opening operation so as to achieve spherical surface opening operation of the prisms, and meanwhile, lens production and polishing operation can be completed on the basis that the positioning disc is not replaced by clamping and positioning units which can be matched with a spherical milling machine, a spherical refiner and a spherical polisher, so that the purpose of ensuring product precision is achieved; meanwhile, the V-shaped positioning groove, the positioning column attached to the V-shaped positioning groove, the movable positioning column and the positioning surface spherical structure center position are kept consistent, and the structural form and the lens fixing form are kept consistent, so that the prism can be effectively clamped, the product precision is ensured, the production efficiency is improved, and the labor intensity is effectively reduced; meanwhile, one side of the movable positioning column is of a slope-shaped structure, so that the movable positioning column can be matched with a slope-shaped positioning surface, and the movable positioning column can be conveniently installed and taken out, so that the aim of improving the production efficiency is fulfilled; the positioning disc type spherical mirror has the advantages of being simple in structure and reasonable in design, being capable of producing a plurality of prismatic spherical mirrors simultaneously, effectively solving the problem of spherical surface opening operation of the lenses and achieving follow-up operation on the basis of not replacing the positioning disc, and accordingly improving production efficiency and guaranteeing product precision.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a sectional view taken along line a-a in fig. 1.
FIG. 3 is a schematic bottom view of the present invention.
Fig. 4 is a schematic structural view of the movable positioning column of the present invention.
FIG. 5 is a schematic structural diagram of the positional relationship between the positioning post and the V-shaped positioning groove in the present invention.
FIG. 6 is another schematic structural diagram of the positional relationship between the positioning post and the V-shaped positioning groove in the present invention.
In the figure:
1. positioning the surface; 2. a V-shaped positioning groove; 3. a vertical positioning surface; 4. a slope-shaped positioning surface; 5. a movable positioning column; 6. a positioning column; 7. a step; 8. a limiting groove; 9. a cone groove; 10. a wear-resistant cushion block; 11. a first clamping groove; 12. and a second clamping groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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.
Referring to FIGS. 1-6: the invention relates to a positioning disc for a prismatic spherical mirror and a production method of the prismatic spherical mirror, wherein the positioning disc comprises a positioning surface 1 for clamping a plurality of prisms and a clamping and positioning unit suitable for clamping and positioning a spherical milling machine, a spherical refiner and a spherical polisher. According to the invention, the positioning surface 1 is arranged to clamp and position the prism, and the clamping and positioning unit is used for matching with the spherical milling machine, the spherical refiner and the spherical polisher, so that a series of subsequent operations can be completed after the prism is arranged in the positioning surface for one time, and the defect of poor product precision caused by arranging and rotating the prism for many times is avoided;
furthermore, the positioning surface 1 is a spherical surface structure with a circular arc-shaped cross section, a plurality of V-shaped positioning grooves 2 for positioning the prismatic spherical mirror are arranged along the edge of the spherical surface structure, and each V-shaped positioning groove 2 comprises a vertical positioning surface 3 close to the edge of the spherical surface structure and a slope-shaped positioning surface 4 close to the center of the spherical surface structure. The positioning surface 1 is a spherical surface structure with an arc-shaped section so as to be beneficial to the operations of opening a spherical surface, fine grinding and polishing of the prism, the prism is positioned through the V-shaped positioning groove 2, one side edge of the prism is tightly attached to the vertical positioning surface 3 during positioning, the other side edge of the prism is tightly attached to the slope-shaped positioning surface 4, the surface of the prism which needs to be opened with the spherical surface is upward, and the purpose of convenient operation is achieved. It should be noted that the number of the V-shaped positioning grooves 2 in the present invention may be two, three, four, five, six, seven, eight, nine or ten, and the like, and the specific requirements are determined according to the working condition, the size of the positioning surface 1 and the size of the product.
Furthermore, the distances from the vertical positioning surfaces 3 and the slope-shaped positioning surfaces 4 in the plurality of V-shaped positioning grooves 2 to the center of the spherical structure are the same; a plurality of V-shaped positioning grooves 2 are uniformly distributed on the edge of the spherical structure. The distance between the vertical positioning surface 3 and the slope positioning surface 4 and the center of the spherical structure is the same, the consistency of products can be guaranteed, the purpose of improving the precision of the products is achieved, the V-shaped positioning grooves 2 are uniformly distributed on the edge of the spherical structure, the stability of the positioning surface 1 is guaranteed when the prism is opened, the prism is finely ground and the prism is polished, and the purposes of improving the precision of the products and prolonging the service life of the positioning disc are achieved.
Furthermore, positioning columns 6 are respectively arranged in the plurality of V-shaped positioning grooves 2, and the distances from the plurality of positioning columns 6 to the center of the spherical structure are the same; a movable positioning column 5 is arranged on one side of the same V-shaped positioning groove 2 corresponding to the positioning column 6; the distance between the positioning column 6 and the movable positioning column 5 is equal to the height of the prismatic spherical mirror. The inner side of the vertical positioning surface 3 is provided with a first clamping groove 11, the inner side of the slope-shaped positioning surface 4 corresponding to the first clamping groove 11 is provided with a second clamping groove 12 in a clamping manner, one end of the movable positioning column 5 is matched with the first clamping groove 11, and the other end of the movable positioning column 5 is matched with the second clamping groove 12. The positioning column 6, the movable positioning column 5 and the V-shaped positioning groove 2 are matched to realize effective positioning of the prism, and the positioning can ensure that any point corresponding to the prism of all the positioning surfaces 1 has the same length from the center of the spherical structure, so that the aims of ensuring the product precision and operating stability are fulfilled; the positioning in the invention adopts the mode of the movable positioning column 5 and can also adopt other forms, such as: the bolt and the nut are matched for clamping or the pressure spring is matched for pressing the block; the first clamping groove 11 and the second clamping groove 12 are used for mounting and rotating the movable positioning column 5, so that the movable positioning column 5 and the positioning column 6 are matched and clamped with the end face of the prism, meanwhile, the invention can also adopt a connection mode that one end of the movable positioning column 5 is connected with one side of the V-shaped positioning groove 2 through a pin, the other side of the movable positioning column can be matched with the clamping grooves, and the like, and the matching of the movable positioning column 5 and the positioning column 6 can be realized in any mode to clamp the prism.
Furthermore, the positioning column 6 is arranged at the vertical positioning surface 3, the slope-shaped positioning surface 4 or the connection part of the vertical positioning surface 3 and the slope-shaped positioning surface 4; the high center of the prismatic spherical mirror positioned by the positioning column 6 and the movable positioning column 5, the center of the V-shaped positioning groove 2 and the center of the spherical structure of the positioning surface 1 are positioned on the same straight line. In order to improve the precision of the product, the high center of the prismatic spherical mirror, the center of the V-shaped positioning groove 2 and the center of the spherical structure of the positioning surface 1 are preferably positioned on the same straight line; in addition, the positioning column 6 can be disposed on the vertical positioning surface 3, the slope-shaped positioning surface 4, or the connection between the vertical positioning surface 3 and the slope-shaped positioning surface 4, but is not limited to the above-mentioned positions, so as to effectively position the prism, and to effectively clamp the prism on the vertical positioning surface 3, the slope-shaped positioning surface 4, and the movable positioning column 5; the height of the prismatic spherical mirror is equal to the distance between the movable positioning column 5 and the positioning column 6.
Furthermore, the positioning columns 6 are in contact with the end faces of the prismatic spherical mirrors on the same side. The arrangement can ensure the consistency of products, and the consistency can not only improve the precision of the products, but also prevent the misoperation of operators; the misoperation comprises clamping of the prism, taking out of the product and packaging in the later period.
Furthermore, the clamping and positioning unit comprises a step 7 arranged on the back surface of the positioning surface 1, the outer circumference of the step 7 is matched with a milling and grinding clamp of the spherical milling and grinding machine, and a plurality of limiting grooves 8 matched with bumps on the inner wall of the milling and grinding clamp are uniformly distributed on the outer circumference of the step 7; the step 7 is internally provided with a cone groove 9 with a conical section, and a connecting line between the center of the bottom of the cone groove 9 and the center of the spherical structure is vertical to the horizontal plane. The assembly of the positioning disc and the spherical milling and grinding machine can be realized by arranging the step 7 and the limiting groove 8, and the effective assembly of the positioning disc, the spherical refiner and the spherical polishing machine can be realized by arranging the cone groove 9, so that the problem of low product precision caused by frequent replacement of the clamp for semi-finished products is solved.
Furthermore, a wear-resistant metal cushion block 10 is arranged at the center of the bottom of the cone groove 9. The service life of the positioning disk can be effectively prolonged by arranging the wear-resistant metal cushion block 10, particularly, the positioning disk can be prevented from being punctured when a string rod is pressed and installed, so that the safe operation of equipment is ensured, and the wear-resistant metal cushion block 10 is made of tungsten steel.
A prismatic spherical mirror production method of a positioning disk for a prismatic spherical mirror comprises the following steps:
step 1: one surface of the prism is tightly contacted with the vertical positioning surface 3, the second surface is tightly contacted with the slope positioning surface 4, the surface to be ground is upward, and one end of the prism is tightly contacted with the positioning column 6;
step 2: clamping the movable positioning column 5 between the first clamping groove 11 and the second clamping groove 12 to enable the positioning surface 1, the prism and the movable positioning column 5 to be an integral structure;
and step 3: after the fixing is finished, sleeving the step 7 at the back of the positioning disc 1 in a milling clamp, enabling a plurality of limiting grooves 8 to be matched with the bumps on the inner wall of the milling clamp, and milling and opening the spherical surface of a ball to be milled of the prism by a spherical milling machine;
and 5: after the prism is milled and opened by the spherical milling machine, the clamping and positioning unit is taken down from the spherical milling machine, then the string rods of the spherical refiner are pressed in the cone grooves 9, the top positions of the string rods are contacted with the wear-resistant cushion blocks 10, and the positioning disc 1 is pressed by the string rods of the spherical refiner and then is finely ground;
step 6: after the spherical surface of the prism is finely ground by the spherical surface fine grinding machine, the clamping and positioning unit is taken down from the spherical surface fine grinding machine, then the string rod of the spherical surface polishing machine is pressed in the cone groove 9, the top position of the string rod is contacted with the wear-resistant cushion block 10, and the positioning disc 1 is polished after being pressed by the string rod of the spherical surface polishing machine;
and 7: after the spherical surface polishing machine polishes the spherical surface of the prism, the clamping and positioning unit is taken down from the spherical surface polishing machine;
and 8: taking out the movable positioning column 5 from the first clamping groove 11 and the second clamping groove 12, and taking down the prismatic spherical mirror; one end of the movable positioning column 5, which is matched with the second clamping groove 12, is in a slope shape.
The present invention will now be further illustrated with reference to examples in order to explain the present invention in more detail. The specific embodiment is as follows:
example 1
A locating disc for a prismatic spherical mirror comprises a locating surface 1 for clamping a plurality of prisms and a clamping locating unit suitable for clamping and locating a spherical milling machine, a spherical refiner and a spherical polisher. The positioning surface 1 is a spherical surface structure with an arc-shaped section, four V-shaped positioning grooves 2 for positioning the prismatic spherical mirror are arranged along the edge of the spherical surface structure, and each V-shaped positioning groove 2 comprises a vertical positioning surface 3 close to the edge of the spherical surface structure and a slope-shaped positioning surface 4 close to the center of the spherical surface structure. The distances from the vertical positioning surfaces 3 and the slope-shaped positioning surfaces 4 in the four V-shaped positioning grooves 2 to the center of the spherical structure are the same; four V-shaped positioning grooves 2 are uniformly distributed on the edge of the spherical structure. The four V-shaped positioning grooves 2 are respectively provided with positioning columns 6, and the distances from the four positioning columns 6 to the center of the spherical structure are the same; a movable positioning column 5 is arranged on one side of the same V-shaped positioning groove 2 corresponding to the positioning column 6; the distance between the positioning column 6 and the movable positioning column 5 is equal to the height of the prismatic spherical mirror. The inner side of the vertical positioning surface 3 is provided with a first clamping groove 11, the inner side of the slope-shaped positioning surface 4 corresponding to the first clamping groove 11 is provided with a second clamping groove 12 in a clamping manner, one end of the movable positioning column 5 is matched with the first clamping groove 11, and the other end of the movable positioning column 5 is matched with the second clamping groove 12. The positioning column 6 is arranged at the vertical positioning surface 3, the slope-shaped positioning surface 4 or the connection part of the vertical positioning surface 3 and the slope-shaped positioning surface 4; the high center of the prismatic spherical mirror positioned by the positioning column 6 and the movable positioning column 5, the center of the V-shaped positioning groove 2 and the center of the spherical structure of the positioning surface 1 are positioned on the same straight line. The clamping and positioning unit comprises a step 7 arranged on the back surface of the positioning surface 1, the outer circumference of the step 7 is matched with a milling and grinding clamp of the spherical milling and grinding machine, and a plurality of limiting grooves 8 matched with bumps on the inner wall of the milling and grinding clamp are uniformly distributed on the outer circumference of the step 7; the step 7 is internally provided with a cone groove 9 with a conical section, and a connecting line between the center of the bottom of the cone groove 9 and the center of the spherical structure is vertical to the horizontal plane.
A prismatic spherical mirror production method of a positioning disk for a prismatic spherical mirror comprises the following steps:
step 1: one surface of each of the four prisms is in close contact with a corresponding vertical positioning surface 3, the second surface of each of the four prisms is in close contact with a corresponding slope-shaped positioning surface 4, the surface to be ground faces upwards, and one end of each prism is in close contact with a positioning column 6;
step 2: clamping the movable positioning column 5 between the first clamping groove 11 and the second clamping groove 12 to enable the positioning surface 1, the prism and the movable positioning column 5 to be an integral structure;
and step 3: after the fixing is finished, sleeving the step 7 at the back of the positioning disc 1 in a milling clamp, enabling a plurality of limiting grooves 8 to be matched with the bumps on the inner wall of the milling clamp, and milling and opening the spherical surface of a ball to be milled of the prism by a spherical milling machine;
and 5: when the spherical milling machine mills and opens the spherical surface of the prism, the clamping and positioning unit is taken down from the spherical milling machine, then the serial rods of the spherical refiner are pressed in the cone grooves 9, and the positioning disc 1 is pressed by the serial rods of the spherical refiner for fine grinding;
step 6: after the spherical surface of the prism is finely ground by the spherical surface fine grinding machine, the clamping and positioning unit is taken down from the spherical surface fine grinding machine, then the string rods of the spherical surface polishing machine are pressed in the cone grooves 9, and the positioning disc 1 is polished after being pressed by the string rods of the spherical surface polishing machine;
and 7: after the spherical surface polishing machine polishes the spherical surface of the prism, the clamping and positioning unit is taken down from the spherical surface polishing machine;
and 8: taking out the movable positioning column 5 from the first clamping groove 11 and the second clamping groove 12, and taking down the prismatic spherical mirror; one end of the movable positioning column 5, which is matched with the second clamping groove 12, is in a slope shape.
Example 2
A locating disc for a prismatic spherical mirror comprises a locating surface 1 for clamping a plurality of prisms and a clamping locating unit suitable for clamping and locating a spherical milling machine, a spherical refiner and a spherical polisher. The positioning surface 1 is a spherical surface structure with an arc-shaped section, three V-shaped positioning grooves 2 for positioning the prismatic spherical mirror are arranged along the edge of the spherical surface structure, and each V-shaped positioning groove 2 comprises a vertical positioning surface 3 close to the edge of the spherical surface structure and a slope-shaped positioning surface 4 close to the center of the spherical surface structure. Positioning columns 6 are respectively arranged in the three V-shaped positioning grooves 2, and the distances from the positioning columns 6 to the center of the spherical structure are the same; a movable positioning column 5 is arranged on one side of the same V-shaped positioning groove 2 corresponding to the positioning column 6; the distance between the positioning column 6 and the movable positioning column 5 is equal to the height of the prismatic spherical mirror. The inner side of the vertical positioning surface 3 is provided with a first clamping groove 11, the inner side of the slope-shaped positioning surface 4 corresponding to the first clamping groove 11 is provided with a second clamping groove 12 in a clamping manner, one end of the movable positioning column 5 is matched with the first clamping groove 11, and the other end of the movable positioning column 5 is matched with the second clamping groove 12. The clamping and positioning unit comprises a step 7 arranged on the back surface of the positioning surface 1, the outer circumference of the step 7 is matched with a milling and grinding clamp of the spherical milling and grinding machine, and a plurality of limiting grooves 8 matched with bumps on the inner wall of the milling and grinding clamp are uniformly distributed on the outer circumference of the step 7; the step 7 is internally provided with a cone groove 9 with a conical section, and a connecting line between the center of the bottom of the cone groove 9 and the center of the spherical structure is vertical to the horizontal plane.
A prismatic spherical mirror production method of a positioning disk for a prismatic spherical mirror comprises the following steps:
step 1: one surface of each prism is respectively and closely contacted with the corresponding vertical positioning surface 3, the second surface of each prism is closely contacted with the corresponding slope positioning surface 4, the surface to be ground faces upwards, and one end of each prism is closely contacted with the positioning column 6;
step 2: clamping the movable positioning column 5 between the first clamping groove 11 and the second clamping groove 12 to enable the positioning surface 1, the prism and the movable positioning column 5 to be an integral structure;
and step 3: after the fixing is finished, sleeving the step 7 at the back of the positioning disc 1 in a milling clamp, enabling a plurality of limiting grooves 8 to be matched with the bumps on the inner wall of the milling clamp, and milling and opening the spherical surface of a ball to be milled of the prism by a spherical milling machine;
and 5: when the spherical milling machine mills and opens the spherical surface of the prism, the clamping and positioning unit is taken down from the spherical milling machine, then the serial rods of the spherical refiner are pressed in the cone grooves 9, and the positioning disc 1 is pressed by the serial rods of the spherical refiner for fine grinding;
step 6: after the spherical surface of the prism is finely ground by the spherical surface fine grinding machine, the clamping and positioning unit is taken down from the spherical surface fine grinding machine, then the string rods of the spherical surface polishing machine are pressed in the cone grooves 9, and the positioning disc 1 is polished after being pressed by the string rods of the spherical surface polishing machine;
and 7: after the spherical surface polishing machine polishes the spherical surface of the prism, the clamping and positioning unit is taken down from the spherical surface polishing machine;
and 8: taking out the movable positioning column 5 from the first clamping groove 11 and the second clamping groove 12, and taking down the prismatic spherical mirror; one end of the movable positioning column 5, which is matched with the second clamping groove 12, is in a slope shape.
Example 3
A locating disc for a prismatic spherical mirror comprises a locating surface 1 for clamping a plurality of prisms and a clamping locating unit suitable for clamping and locating a spherical milling machine, a spherical refiner and a spherical polisher. The positioning surface 1 is a spherical surface structure with an arc-shaped section, eight V-shaped positioning grooves 2 for positioning the prismatic spherical mirror are arranged along the edge of the spherical surface structure, and each V-shaped positioning groove 2 comprises a vertical positioning surface 3 close to the edge of the spherical surface structure and a slope-shaped positioning surface 4 close to the center of the spherical surface structure. The distances from the vertical positioning surfaces 3 and the slope-shaped positioning surfaces 4 in the eight V-shaped positioning grooves 2 to the center of the spherical structure are the same; eight V-shaped positioning grooves 2 are uniformly distributed on the edge of the spherical structure. Positioning columns 6 are respectively arranged in the eight V-shaped positioning grooves 2, and the distances from the eight positioning columns 6 to the center of the spherical structure are the same; a movable positioning column 5 is arranged on one side of the same V-shaped positioning groove 2 corresponding to the positioning column 6; the distance between the positioning column 6 and the movable positioning column 5 is equal to the height of the prismatic spherical mirror. The inner side of the vertical positioning surface 3 is provided with a first clamping groove 11, the inner side of the slope-shaped positioning surface 4 corresponding to the first clamping groove 11 is provided with a second clamping groove 12 in a clamping manner, one end of the movable positioning column 5 is matched with the first clamping groove 11, and the other end of the movable positioning column 5 is matched with the second clamping groove 12. The positioning column 6 is arranged at the vertical positioning surface 3, the slope-shaped positioning surface 4 or the connection part of the vertical positioning surface 3 and the slope-shaped positioning surface 4; the high center of the prismatic spherical mirror positioned by the positioning column 6 and the movable positioning column 5, the center of the V-shaped positioning groove 2 and the center of the spherical structure of the positioning surface 1 are positioned on the same straight line. The eight positioning columns 6 are contacted with the end surfaces of the same side in the prismatic spherical mirror. The clamping and positioning unit comprises a step 7 arranged on the back surface of the positioning surface 1, the outer circumference of the step 7 is matched with a milling and grinding clamp of the spherical milling and grinding machine, and a plurality of limiting grooves 8 matched with bumps on the inner wall of the milling and grinding clamp are uniformly distributed on the outer circumference of the step 7; the step 7 is internally provided with a cone groove 9 with a conical section, and a connecting line between the center of the bottom of the cone groove 9 and the center of the spherical structure is vertical to the horizontal plane. And a wear-resistant metal cushion block 10 is arranged at the central position of the bottom of the cone groove 9.
A prismatic spherical mirror production method of a positioning disk for a prismatic spherical mirror comprises the following steps:
step 1: one surface of each of the eight prisms is in close contact with a corresponding vertical positioning surface 3, the second surface of each of the eight prisms is in close contact with a corresponding slope-shaped positioning surface 4, the surface to be ground faces upwards, and one end of each prism is in close contact with a positioning column 6;
step 2: clamping the movable positioning column 5 between the first clamping groove 11 and the second clamping groove 12 to enable the positioning surface 1, the prism and the movable positioning column 5 to be an integral structure;
and step 3: after the fixing is finished, sleeving the step 7 at the back of the positioning disc 1 in a milling clamp, enabling a plurality of limiting grooves 8 to be matched with the bumps on the inner wall of the milling clamp, and milling and opening the spherical surface of a ball to be milled of the prism by a spherical milling machine;
and 5: after the prism is milled and opened by the spherical milling machine, the clamping and positioning unit is taken down from the spherical milling machine, then the string rods of the spherical refiner are pressed in the cone grooves 9, the top positions of the string rods are contacted with the wear-resistant cushion blocks 10, and the positioning disc 1 is pressed by the string rods of the spherical refiner and then is finely ground;
step 6: after the spherical surface of the prism is finely ground by the spherical surface fine grinding machine, the clamping and positioning unit is taken down from the spherical surface fine grinding machine, then the string rod of the spherical surface polishing machine is pressed in the cone groove 9, the top position of the string rod is contacted with the wear-resistant cushion block 10, and the positioning disc 1 is polished after being pressed by the string rod of the spherical surface polishing machine;
and 7: after the spherical surface polishing machine polishes the spherical surface of the prism, the clamping and positioning unit is taken down from the spherical surface polishing machine;
and 8: taking out the movable positioning column 5 from the first clamping groove 11 and the second clamping groove 12, and taking down the prismatic spherical mirror; one end of the movable positioning column 5, which is matched with the second clamping groove 12, is in a slope shape.
Examples of the experiments
Comparing the third embodiment with the first method in the background art, and using the same operator trained professionally and working for more than five years, wherein each method is limited to four hours of continuous working, the finished prismatic spherical mirror can be prepared by the third embodiment with 80 pieces of finished products and the yield of 85 percent, the finished prismatic spherical mirror prepared by the first method with 11 pieces of finished products and the yield of about 12 percent; the first method is adopted in the manufacturing process, the process stability is poor, the rejection rate is high, the process is complex, and operators need to be equipped with special technicians to supervise, accompany and monitor and guide the whole process while processing; when the process of the third embodiment of the invention is adopted for processing, no technician is required to be equipped, and the operator can independently complete the operation. In the course of the processing in the above test example, the processing cost of the lens used in the method in example three (this lens is referred to as the lens material) was 25% of the cost of the lens used in the first method.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (10)

1. A positioning disk for a prismatic spherical mirror is characterized in that: the positioning disc comprises a positioning surface (1) for clamping a plurality of prisms and a clamping and positioning unit which is suitable for clamping and positioning a spherical milling machine, a spherical refiner and a spherical polisher.
2. A positioning disk for a prismatic spherical mirror as claimed in claim 1, wherein: the positioning surface (1) is a spherical structure with a circular-arc-shaped section, a plurality of V-shaped positioning grooves (2) for positioning the prismatic spherical mirror are arranged along the edge of the spherical structure, and each V-shaped positioning groove (2) comprises a vertical positioning surface (3) close to the edge of the spherical structure and a slope-shaped positioning surface (4) close to the center of the spherical structure.
3. A positioning disk for a prismatic spherical mirror as claimed in claim 2, wherein: the distances from the vertical positioning surfaces (3) and the slope-shaped positioning surfaces (4) in the V-shaped positioning grooves (2) to the center of the spherical structure are the same; a plurality of V-shaped positioning grooves (2) are uniformly distributed on the edge of the spherical structure.
4. A positioning disk for a prismatic spherical mirror as claimed in claim 2, wherein: and the plurality of V-shaped positioning grooves (2) are respectively provided with positioning columns (6), and the distances from the plurality of positioning columns (6) to the center of the spherical structure are the same.
5. A positioning disk for a prismatic spherical mirror as claimed in claim 2, wherein: a movable positioning column (5) is arranged on one side of the same V-shaped positioning groove (2) corresponding to the positioning column (6);
the distance between the positioning column (6) and the movable positioning column (5) is equal to the height of the prismatic spherical mirror;
the inner side of the vertical positioning surface (3) is provided with a first clamping groove (11), the inner side of the slope positioning surface (4) corresponding to the first clamping groove (11) is clamped with a second clamping groove (12), one end of the movable positioning column (5) is matched with the first clamping groove (11), and the other end of the movable positioning column (5) is matched with the second clamping groove (12).
6. A positioning plate for a prismatic spherical mirror as claimed in claim 5, wherein: the positioning column (6) is arranged at the vertical positioning surface (3), the slope-shaped positioning surface (4) or the connection part of the vertical positioning surface (3) and the slope-shaped positioning surface (4);
the high center of the prismatic spherical mirror, the center of the V-shaped positioning groove (2) and the center of the spherical structure of the positioning surface (1) which are positioned by the positioning column (6) and the movable positioning column (5) are positioned on the same straight line.
7. A positioning plate for a prismatic spherical mirror as claimed in claim 6, wherein: the positioning columns (6) are in contact with the end faces of the same side in the prismatic spherical mirror.
8. A positioning disk for a prismatic spherical mirror as claimed in claim 1, wherein: the clamping and positioning unit comprises a step (7) arranged on the back of the positioning surface (1), the outer circumference of the step (7) is matched with a milling and grinding clamp of the spherical milling and grinding machine, and a plurality of limiting grooves (8) matched with lugs on the inner wall of the milling and grinding clamp are uniformly distributed on the outer circumference of the step (7);
a cone groove (9) with a conical section is arranged in the step (7), and a connecting line between the center of the bottom of the cone groove (9) and the center of the spherical structure is vertical to the horizontal plane.
9. A positioning disk for a prismatic spherical mirror as claimed in claim 8, wherein: and a wear-resistant metal cushion block (10) is arranged at the center of the bottom of the cone groove (9).
10. A method for producing a prismatic spherical mirror with a puck for prismatic spherical mirrors according to any one of claims 1 to 9, characterized in that: the prismatic spherical mirror production method comprises the following steps:
step 1: one surface of the prism is tightly contacted with the vertical positioning surface (3), the second surface of the prism is tightly contacted with the slope-shaped positioning surface (4), the surface to be ground faces upwards, and one end of the prism is tightly contacted with the positioning column (6);
step 2: clamping the movable positioning column (5) between the first clamping groove (11) and the second clamping groove (12) to enable the positioning surface (1), the prism and the movable positioning column (5) to be of an integrated structure;
and step 3: after the fixing is finished, the step (7) at the back of the positioning disc (1) is sleeved in the milling fixture, a plurality of limiting grooves (8) are matched with the bumps on the inner wall of the milling fixture, and the ball to be milled of the prism is milled and opened by a spherical milling machine;
and 5: when the spherical milling and grinding machine mills and opens the spherical surface to the prism, the clamping and positioning unit is taken down from the spherical milling and grinding machine, then the string rod of the spherical refiner is pressed in the cone groove (9), the top position of the string rod is contacted with the wear-resistant cushion block (10), and the positioning disc (1) is pressed tightly by the string rod of the spherical refiner and then is refined;
step 6: after the spherical surface of the prism is finely ground by the spherical surface fine grinding machine, the clamping and positioning unit is taken down from the spherical surface fine grinding machine, then the string rods of the spherical surface polishing machine are pressed in the cone groove (9), the top positions of the string rods are contacted with the wear-resistant cushion blocks (10), and the positioning disc (1) is polished after being pressed by the string rods of the spherical surface polishing machine;
and 7: after the spherical surface polishing machine polishes the spherical surface of the prism, the clamping and positioning unit is taken down from the spherical surface polishing machine;
and 8: taking out the movable positioning column (5) from the first clamping groove (11) and the second clamping groove (12), and taking down the prismatic spherical mirror;
one end of the movable positioning column (5) matched with the second clamping groove (12) is in a slope shape.
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