CN110919865A - Cylindrical mirror rapid machining equipment and machining method - Google Patents
Cylindrical mirror rapid machining equipment and machining method Download PDFInfo
- Publication number
- CN110919865A CN110919865A CN201911169239.0A CN201911169239A CN110919865A CN 110919865 A CN110919865 A CN 110919865A CN 201911169239 A CN201911169239 A CN 201911169239A CN 110919865 A CN110919865 A CN 110919865A
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- China
- Prior art keywords
- polishing
- base body
- cylindrical mirror
- film base
- jaw chuck
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
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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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
- B28D7/04—Accessories specially adapted for use with machines or devices of the preceding groups for supporting or holding work or conveying or discharging work
Abstract
The invention discloses a cylindrical mirror rapid processing device, wherein when a cylindrical mirror convex surface is processed, the cylindrical mirror is bonded on a convex surface of a bonding film base body, a polishing film is bonded on a concave surface of a polishing film base body, the bonding film base body is arranged on a three-jaw chuck, the polishing film base body is arranged on the bonding film base body in a matching way, and an ejector pin hole matched with an ejector pin is arranged on an outer convex surface of the polishing film base body; when the concave surface of the cylindrical mirror is processed, the cylindrical mirror is bonded on the concave surface of the adhesive film base body, the polishing film is bonded on the convex surface of the polishing film base body, the polishing film base body is installed on the three-jaw chuck, the adhesive film base body is arranged on the polishing film base body in a matched mode, and the outer convex surface of the adhesive film base body is provided with a thimble hole matched with the thimble. The invention has simple structure and convenient processing operation, and can effectively process the cylindrical mirror with the radius of more than 1 mm.
Description
Technical Field
The invention belongs to the technical field of precision machining of optical parts, and relates to a device and a method for quickly machining a cylindrical mirror.
Background
At present, two methods are mainly adopted for optical processing of cylindrical mirrors, one is that a polishing mould layer is made of asphalt by using a fine grinding polishing device with a classical grinding polishing tool moving in an 8 shape, and cylindrical mirrors or polishing mould base bodies placed below cannot move during processing. And secondly, numerical control milling and polishing equipment is adopted for processing, the processing method is high in precision, but the used equipment is imported equipment generally, and the processing cost and the equipment maintenance cost are high.
Disclosure of Invention
Objects of the invention
The purpose of the invention is: the cylindrical mirror rapid processing equipment with simple structure and low manufacturing cost and the processing method with convenient operation are provided.
(II) technical scheme
In order to solve the technical problem, the invention provides a cylindrical mirror rapid processing device which comprises a lathe bed workbench 1, a water basin 2, a polishing solution spray pipe 3, a thimble 4, a swing frame 5, a main shaft swinging and rotating conversion device 6, a polishing die base body 7, an adhesive film base body 8 and a three-jaw chuck 9; when the convex surface of the cylindrical mirror is processed, the cylindrical mirror is adhered to the convex surface of the adhesive film base body 8, the polishing film is adhered to the concave surface of the polishing film base body 7, the adhesive film base body 8 is installed on the three-jaw chuck 9, the polishing film base body 7 is arranged on the adhesive film base body 8 in a matched mode, and the outer convex surface of the polishing film base body 7 is provided with a thimble hole matched with the thimble 4; when the concave surface of the cylindrical mirror is processed, the cylindrical mirror is adhered to the concave surface of the adhesive film base body, the polishing film is adhered to the convex surface of the polishing film base body, the polishing film base body is arranged on the three-jaw chuck 9, the adhesive film base body is arranged on the polishing film base body in a matched mode, and the outer convex surface of the adhesive film base body is provided with a thimble hole matched with the thimble 4; the water basin 2 is arranged on the bed body workbench 1 and used for collecting polishing liquid; the three-jaw chuck 9 is connected with the main shaft swinging and rotating conversion device 6 and is driven by a servo motor, and one side of the three-jaw chuck 9 is provided with the polishing solution spray pipe 3 for implementing automatic circulation supply of the polishing solution to the workpiece to be processed; the ejector pin 4 is connected with the swing frame 5, the swing frame 5 is adjusted to pitch through air pressure, pressure with adjustable size is applied to the ejector pin 4, and the ejector pin 4 applies pressure to the contacted adhesive film base body or polishing mold base body through an ejector pin hole.
The polishing solution nozzle 3 supplies polishing solution between the polishing film and the cylindrical mirror, and the polishing solution collected after passing through the basin 2 is automatically circulated and supplied again through the polishing solution nozzle 3.
Wherein, the three-jaw chuck 9 is of a horizontal structure and is single-shaft or multi-shaft. The three-jaw chuck 9 is driven by a servo motor and is controlled by the main shaft swinging and rotating conversion device 6 to switch swinging or rotating motion.
When the adhesive film base body is a columnar adhesive film base body, and a plurality of cylindrical mirrors are adhered to the adhesive film base body side by side in the circumferential direction, the polishing is performed in a rotary motion mode of the three-jaw chuck 9.
When the adhesive film substrate is an arc-shaped adhesive film substrate and a cylindrical mirror is adhered to the adhesive film substrate, the three-jaw chuck 9 is used for polishing in a reciprocating swinging motion mode.
Wherein, the polishing sheet adopts polyurethane material or asphalt material.
The invention also provides a method for rapidly processing the cylindrical mirror, which comprises the following steps:
s1: bonding a cylindrical lens blank to be processed on the bonding die base body, and bonding a polishing sheet on the polishing die base body;
s2: trimming the polyurethane polishing mold layer until the radius sizes of the convex surface and the concave surface corresponding to the cylindrical mirror are the same;
s3: the bonding die base body adhered with the convex cylindrical mirror or the polishing die base body adhered with the convex polishing sheet is clamped on the three-jaw chuck, and the bonding die base body adhered with the concave cylindrical mirror or the polishing die base body adhered with the concave polishing sheet is placed below the thimble;
s4: adjusting the main shaft swing rotation conversion device according to the size of the radius of the cylindrical mirror, and setting the swing frequency or the rotation speed of the three-jaw chuck;
s5: adjusting the position and the amplitude of oscillation of the swing frame, and setting the oscillation frequency of the swing frame;
s6: adjusting the height of the ejector pin to enable the ejector pin to be positioned above the three-jaw chuck, and adjusting the air pressure to enable the ejector pin to apply pressure to the workpiece;
s7: the position of a polishing solution nozzle and the supply amount of the polishing solution are adjusted, so that the polishing solution can be supplied correctly;
s8: starting processing, and measuring the technical requirements of the radius, the surface shape and the surface defects of the cylindrical mirror in real time;
s9: and after the self-inspection is qualified, cleaning the lower disc and inspecting.
(III) advantageous effects
The equipment and the method for rapidly processing the cylindrical mirror have the advantages of simple structure and convenient processing operation, and can effectively process the cylindrical mirror with the radius of more than 1 mm.
Drawings
FIG. 1: the invention discloses a processing equipment structure schematic diagram.
FIG. 2: cylindrical mirror is illustrated.
FIG. 3: and processing the convex surface of the cylindrical mirror with the small radius by using a bonding die.
FIG. 4: and processing the convex surface of the large-radius cylindrical mirror by using a bonding die.
FIG. 5: and processing the convex surface of the cylindrical mirror by using a polishing die.
FIG. 6: and (5) using a bonding die when the concave surface of the cylindrical mirror is processed.
FIG. 7: and (4) processing the concave surface of the cylindrical mirror with small radius by using a polishing die.
FIG. 8: and (4) processing the concave surface of the large-radius cylindrical mirror by using a polishing die.
Detailed Description
In order to make the objects, contents, and advantages of the present invention clearer, the following detailed description of the embodiments of the present invention will be made in conjunction with the accompanying drawings and examples.
Referring to fig. 1, the processing equipment of the invention comprises a bed body workbench 1, a water basin 2, a polishing solution spray pipe 3, a thimble 4, a swing frame 5, a main shaft swing rotation conversion device 6, a polishing die base body 7, an adhesive film base body 8 and a three-jaw chuck 9; when the convex surface of the cylindrical mirror is processed, the cylindrical mirror is adhered to the convex surface of the adhesive film base body 8, the polishing film is adhered to the concave surface of the polishing film base body 7, the adhesive film base body 8 is installed on the three-jaw chuck 9, the polishing film base body 7 is arranged on the adhesive film base body 8 in a matched mode, and the outer convex surface of the polishing film base body 7 is provided with a thimble hole matched with the thimble 4; when the concave surface of the cylindrical mirror is processed, the cylindrical mirror is adhered to the concave surface of the adhesive film base body, the polishing film is adhered to the convex surface of the polishing film base body, the polishing film base body is arranged on the three-jaw chuck 9, the adhesive film base body is arranged on the polishing film base body in a matched mode, and the outer convex surface of the adhesive film base body is provided with a thimble hole matched with the thimble 4; the water basin 2 is arranged on the bed body workbench 1 and used for collecting polishing liquid; the three-jaw chuck 9 is connected with the main shaft swinging and rotating conversion device 6 and is driven by a servo motor, and one side of the three-jaw chuck 9 is provided with the polishing solution spray pipe 3 for implementing automatic circulation supply of the polishing solution to the workpiece to be processed; the ejector pin 4 is connected with the swing frame 5, the swing frame 5 is adjusted to pitch through air pressure, pressure with adjustable size is applied to the ejector pin 4, and the ejector pin 4 applies pressure to the contacted adhesive film base body or polishing mold base body through an ejector pin hole.
In fig. 1, ω is the rotation or swing direction of the three-jaw chuck, and b is the movement direction of the swing frame.
The polishing solution spray pipe 3 supplies polishing solution between the polishing film and the cylindrical mirror, and the polishing solution collected by the water basin 2 automatically circulates, so that the polishing solution spray pipe has stable quality and reduces the cost in batch production.
The three-jaw chuck 9 is designed as a horizontal structure and can be designed as a single shaft or multiple shafts. The three-jaw chuck 9 is driven by a servo motor and is controlled by the main shaft swinging and rotating conversion device 6 to switch swinging or rotating motion.
When the radius of the processed cylindrical mirror is smaller and a cylindrical adhesive film base body is selected, and a plurality of cylindrical mirrors are adhered to the adhesive film base body side by side in the circumferential direction, polishing is carried out in a rotary motion mode of a three-jaw chuck 9; when the radius of the processed cylindrical mirror is larger, an arc-shaped adhesive film base body is selected, and a cylindrical mirror is adhered on the adhesive film base body, the cylindrical mirror is polished in a reciprocating swing motion mode of the three-jaw chuck 9.
The polishing pad of polyurethane material or asphalt material requires a low rotation speed when using the asphalt material, and the processing efficiency is relatively low.
The principle of the installation mode of the adhesive film matrix and the polishing film matrix is as follows: the bonding die base body adhered with the convex cylindrical mirror or the polishing film base body adhered with the convex polishing film is positioned below and clamped on the three-jaw chuck, and the bonding die base body adhered with the concave cylindrical mirror or the polishing film base body adhered with the concave polishing film is positioned below the thimble. When the three-jaw chuck is used for processing, the radius of the cylindrical mirror of the bonding die base body stuck with the cylindrical mirror or the polishing film base body stuck with the polishing film which is clamped on the three-jaw chuck swings or rotates at a certain angle.
Examples
The outline of the cylindrical mirror to be processed in this embodiment is shown in fig. 2.
The bonding die base body is designed according to the radius size of the cylindrical mirror, the bonding die base body shown in figure 3 is designed when the radius of the convex surface of the cylindrical mirror is smaller, and the polishing die base body shown in figure 5 is designed. When the convex surface radius of the cylindrical mirror is larger, the adhesive die base body shown in figure 4 is designed, and the polishing die base body shown in figure 5 is designed. When the radius of the concave surface of the cylindrical mirror is smaller, the adhesive mold base body shown in fig. 6 is designed, and the polishing mold base body shown in fig. 7 is designed. When the concave radius of the cylindrical mirror is larger, the adhesive die base body shown in fig. 6 is designed, and the polishing die base body shown in fig. 8 is designed.
In the attached drawing 3, the bonding die base body 11 adhered with the cylindrical mirror 10 is used for processing the convex surface of the cylindrical mirror, the radius of the convex surface of the cylindrical mirror is small, and the bonding die base body 11 adhered with the cylindrical mirror is clamped on the three-jaw chuck 9 to rotate. In the attached drawing 4, the bonding die base 13 adhered with the cylindrical mirror 12 is used for processing the convex surface of the cylindrical mirror, the radius of the convex surface of the cylindrical mirror is large, and the bonding die base 13 adhered with the cylindrical mirror is clamped on the three-jaw chuck 9 to perform reciprocating swing motion. In the attached drawing 5, a polyurethane polishing mold layer 14 and a polishing mold base 16 are adhered to process the convex surface of the cylindrical mirror, the polishing mold base is placed below the thimble 4 and connected with the thimble 4 through the thimble hole 15 to swing left and right, and the radius of the processed cylindrical mirror can be used. In the attached drawing 6, the bonding die base 18 adhered with the cylindrical mirror 17 is used for processing the concave surface of the cylindrical mirror, the bonding die base 18 is placed below the thimble 4 and is connected with the thimble 4 through the thimble hole 15 to swing left and right, and the radius size of the processed cylindrical mirror can be used. In the attached drawing 7, the polishing mold layer 19 and the polishing mold base 20 adhered with polyurethane are used for processing the concave surface of the cylindrical mirror, the radius of the concave surface of the cylindrical mirror is small, and the polishing mold base 20 adhered with polyurethane is clamped on the three-jaw chuck 9 to rotate. In the attached drawing 8, a polyurethane polishing mold layer 21 and a polishing mold base 22 are adhered to process the concave surface of the cylindrical mirror, the radius of the concave surface of the cylindrical mirror is large, and the polishing mold base 22 adhered with polyurethane is clamped on the three-jaw chuck 9 to perform reciprocating swing motion.
The fast processing method of the cylindrical mirror comprises the following steps:
s1: and bonding the cylindrical lens blank to be processed on the bonding die base body, and bonding the polyurethane polishing sheet on the polishing die base body.
S2: and trimming the polyurethane polishing mold layer until the radius sizes of the convex surface and the concave surface corresponding to the cylindrical mirror are the same.
S3: the bonding die base body adhered with the convex surface of the cylindrical mirror or the convex polishing die base body adhered with the polyurethane polishing sheet is clamped on the three-jaw chuck, and the bonding die base body adhered with the concave surface of the cylindrical mirror or the concave polishing die base body adhered with the polyurethane polishing sheet is placed below the thimble.
S4: and adjusting the main shaft swinging and rotating conversion device according to the size of the radius of the cylindrical mirror, and setting the swinging frequency or the rotating speed of the three-jaw chuck.
S5: the position and the swing amplitude of the swing frame are adjusted, and the swing frequency of the swing frame is set.
S6: the height of the ejector pin is adjusted, the ejector pin is located above the three-jaw chuck, and the size of air pressure is adjusted, so that the ejector pin exerts certain pressure on a workpiece or a tool.
S7: the position of the polishing solution nozzle and the supply amount of the polishing solution are adjusted, so that the polishing solution can be supplied correctly.
S8: and starting processing, and measuring the technical requirements of the radius, the surface shape, the surface defects and the like of the cylindrical mirror in real time.
S9: and after the self-inspection is qualified, cleaning the lower disc and inspecting.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (7)
1. A cylindrical mirror rapid processing device is characterized by comprising a lathe bed workbench (1), a basin (2), a polishing solution spray pipe (3), a thimble (4), a swing frame (5), a main shaft swinging and rotating conversion device (6), a polishing die base body (7), an adhesive film base body (8) and a three-jaw chuck (9); when the convex surface of the cylindrical mirror is processed, the cylindrical mirror is adhered to the convex surface of the adhesive film base body (8), the polishing film is adhered to the concave surface of the polishing film base body (7), the adhesive film base body (8) is installed on the three-jaw chuck (9), the polishing film base body (7) is arranged on the adhesive film base body (8) in a matched mode, and the outer convex surface of the polishing film base body (7) is provided with a thimble hole matched with the thimble (4); when the concave surface of the cylindrical mirror is processed, the cylindrical mirror is adhered to the concave surface of the adhesive film base body, the polishing film is adhered to the convex surface of the polishing film base body, the polishing film base body is arranged on the three-jaw chuck (9), the adhesive film base body is arranged on the polishing film base body in a matched mode, and the outer convex surface of the adhesive film base body is provided with a thimble hole matched with the thimble (4); the water basin (2) is arranged on the lathe bed workbench (1) and is used for collecting polishing liquid; the three-jaw chuck (9) is connected with the main shaft swinging and rotating conversion device (6) and is driven by a servo motor, and one side of the three-jaw chuck (9) is provided with the polishing solution spray pipe (3) for implementing automatic circulation supply of the polishing solution to the workpiece to be processed; the ejector pin (4) is connected with the swing frame (5), the swing frame (5) is adjusted to pitch through air pressure, pressure with adjustable size is applied to the ejector pin (4), and the ejector pin (4) applies pressure to the adhesive film base body or the polishing die base body which is contacted with the ejector pin through the ejector pin hole.
2. The apparatus for rapidly processing a cylindrical mirror according to claim 1, wherein the polishing liquid nozzle tube (3) supplies the polishing liquid between the polishing film and the cylindrical mirror, and the polishing liquid collected after passing through the water tub (2) is automatically circulated and supplied again from the polishing liquid nozzle tube (3).
3. Cylindrical mirror rapid machining apparatus according to claim 2, characterized in that the three-jaw chuck (9) is of horizontal type construction, single or multi-axis. The three-jaw chuck (9) is driven by a servo motor and is controlled by the main shaft swinging and rotating conversion device (6) to switch swinging or rotating motion.
4. The apparatus for rapidly processing a cylindrical mirror according to claim 3, wherein when said adhesive film base is a cylindrical adhesive film base and a plurality of cylindrical mirrors are adhered to said adhesive film base in parallel in the circumferential direction, said cylindrical mirror is polished by a rotational movement of a three-jaw chuck (9).
5. The apparatus for rapidly processing a cylindrical mirror according to claim 4, wherein when said adhesive film base is an arc-shaped adhesive film base to which a cylindrical mirror is adhered, the polishing is performed by a reciprocating swing motion of a three-jaw chuck (9).
6. The rapid cylindrical mirror processing apparatus according to claim 5, wherein the polishing sheet is made of a polyurethane material or an asphalt material.
7. A quick processing method of a cylindrical mirror is characterized by comprising the following steps:
s1: bonding a cylindrical lens blank to be processed on the bonding die base body, and bonding a polishing sheet on the polishing die base body;
s2: trimming the polyurethane polishing mold layer until the radius sizes of the convex surface and the concave surface corresponding to the cylindrical mirror are the same;
s3: the bonding die base body adhered with the convex cylindrical mirror or the polishing die base body adhered with the convex polishing sheet is clamped on the three-jaw chuck, and the bonding die base body adhered with the concave cylindrical mirror or the polishing die base body adhered with the concave polishing sheet is placed below the thimble;
s4: adjusting the main shaft swing rotation conversion device according to the size of the radius of the cylindrical mirror, and setting the swing frequency or the rotation speed of the three-jaw chuck;
s5: adjusting the position and the amplitude of oscillation of the swing frame, and setting the oscillation frequency of the swing frame;
s6: adjusting the height of the ejector pin to enable the ejector pin to be positioned above the three-jaw chuck, and adjusting the air pressure to enable the ejector pin to apply pressure to the workpiece;
s7: the position of a polishing solution nozzle and the supply amount of the polishing solution are adjusted, so that the polishing solution can be supplied correctly;
s8: starting processing, and measuring the technical requirements of the radius, the surface shape and the surface defects of the cylindrical mirror in real time;
s9: and after the self-inspection is qualified, cleaning the lower disc and inspecting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911169239.0A CN110919865A (en) | 2019-11-26 | 2019-11-26 | Cylindrical mirror rapid machining equipment and machining method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911169239.0A CN110919865A (en) | 2019-11-26 | 2019-11-26 | Cylindrical mirror rapid machining equipment and machining method |
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| CN110919865A true CN110919865A (en) | 2020-03-27 |
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| CN201911169239.0A Pending CN110919865A (en) | 2019-11-26 | 2019-11-26 | Cylindrical mirror rapid machining equipment and machining method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111452227A (en) * | 2020-04-23 | 2020-07-28 | 北京理工大学 | Processing method of aspheric cylindrical mirror |
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| CN111452227A (en) * | 2020-04-23 | 2020-07-28 | 北京理工大学 | Processing method of aspheric cylindrical mirror |
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