CN109655990B - Processing method of optical lens adjusting elastic sheet - Google Patents
Processing method of optical lens adjusting elastic sheet Download PDFInfo
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- CN109655990B CN109655990B CN201910115691.2A CN201910115691A CN109655990B CN 109655990 B CN109655990 B CN 109655990B CN 201910115691 A CN201910115691 A CN 201910115691A CN 109655990 B CN109655990 B CN 109655990B
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- elastic sheet
- adjusting elastic
- beryllium copper
- sheet
- adjusting
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/026—Mountings, adjusting means, or light-tight connections, for optical elements for lenses using retaining rings or springs
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Abstract
The invention discloses a processing method of an optical lens adjusting elastic sheet. The width direction of the batten is grain direction, and then the batten is transversely cut to obtain the sheet material. The length direction of the sheet material is the grain direction, and after the sheet material is formed into the adjusting elastic sheet, the grain direction is the same as the length direction of the adjusting elastic sheet, so that the adjusting elastic sheet has good elasticity and fatigue resistance. Therefore, the adjusting elastic sheet prepared by the method has good fatigue resistance, elasticity and high strength, so that the problem that the original shape cannot be recovered can be avoided even if the adjusting elastic sheet is subjected to deformation adjustment repeatedly for a long time when the adjusting elastic sheet supports the lens, and the service life of the adjusting elastic sheet is greatly prolonged.
Description
Technical Field
The invention belongs to the technical field of optical lens accessories, and particularly relates to a processing method of an optical lens adjusting elastic sheet.
Background
Lenses, which are typically a lens assembly consisting of one or more optical glass lenses, typically concave, convex, or a combination thereof, may be utilized in cameras, video cameras, microscopes, telescopes, projectors, or in conjunction with other 3C products.
In order to enable a lens to be aligned with a shooting object, the up-down position of the lens needs to be adjusted frequently, a related adjusting mechanism is equipped for adjusting the up-down position of the lens, and a spring plate for supporting the lens is an important part of the lens.
Disclosure of Invention
The invention aims to solve the technical problem of providing a method for processing an optical lens adjusting elastic sheet, and aims to solve the problem that the elastic sheet in the prior art is low in elastic limit and fatigue limit.
The invention is realized in this way, a processing method of an optical lens adjusting elastic sheet, comprising the following steps:
s10, selecting a roll of beryllium copper plate, and transversely cutting out a large plate;
s20, feeding the large plate into a cutting device along the grain direction of the large plate, and cutting a plurality of laths; the grain direction is the extending direction of the beryllium copper plate during extrusion forming, namely the width direction of the beryllium copper plate;
s30, taking one of the battens, feeding the batten into a cutting device along the length direction of the batten, and sequentially cutting a plurality of sheet materials with the width same as that of the required adjusting elastic sheet, wherein the length direction of the sheet materials is the width direction of the batten;
s40, respectively spraying atomized oil on the front surface and the back surface of the sheet material to form a layer of protective film with the surface oxidation resistance and corrosion resistance on the front surface and the back surface;
s50, feeding the sheet material into a die to form an adjusting elastic sheet with a required shape;
s60, cleaning the adjusting elastic sheet by adopting an environment-friendly solvent, and removing impurities attached to the surface of the adjusting elastic sheet;
and S70, conveying the cleaned adjusting elastic sheet into a vacuum heat treatment furnace for a period of back-and-forth cold and heat treatment, and finally cooling by environment-friendly nitrogen and discharging to finish processing the required adjusting elastic sheet.
Further, the manufacturing process of the beryllium copper plate comprises the following steps:
s11, providing a beryllium copper blank with a certain thickness and a strip;
s12, adopting extrusion equipment to respectively move from the middle position of the beryllium copper blank to the left side and the right side of the beryllium copper blank
Extruding by applying force to enable the beryllium copper blank to extend towards two sides;
and S13, continuing to use the extrusion equipment, repeating the step S12, continuously widening and thinning the beryllium copper blank until the beryllium copper blank reaches the required thickness and width, and rolling the beryllium copper blank into a roll for standby.
Furthermore, the environment-friendly solvent is an environment-friendly hydrocarbon cleaning agent.
Further, the beryllium copper plate comprises two metal materials, namely copper metal and beryllium metal, and also comprises one or more than two materials, namely nickel, iron, aluminum or silicon materials.
Further, in step S70, the time period for the adjustment spring to perform the cooling and heating process is 12 hours.
Compared with the prior art, the invention has the beneficial effects that:
according to the processing method of the elastic sheet, the beryllium copper sheet is firstly cut into the large sheets, the size of the large sheets can meet the size requirement of the existing cutting equipment, and the large sheets can be cut into the plurality of laths again along the lines of the large sheets. The width direction of the batten is the grain direction, at the moment, the batten is transversely cut to obtain a sheet material, and the length direction of the sheet material is the grain direction. The length direction of the sheet material is the same as that of the formed adjusting elastic sheet, so that the adjusting elastic sheet has good elasticity and fatigue resistance.
Before the sheet material is processed, the mist oil is sprayed, so that the sheet material can play a role in protection in the processing process, the heat generated in the processing process is prevented from oxidizing the sheet material, and the constant temperature and the tidiness of the sheet material are also favorably kept. Adopt environment-friendly solvent to wash the regulation shell fragment after the shaping, can get rid of impurity on its surface, prevent in the follow-up heating process, impurity melting infiltration adjusts in the shell fragment, influences the material purity of adjusting the shell fragment.
The adjusting elastic sheet is heated back and forth, so that various metal materials with different diameters in the adjusting elastic sheet can be rearranged and distributed continuously, and therefore, gaps among metal materials with large diameters can be filled with metal materials with small diameters, and the strength and the elasticity of the adjusting elastic sheet can be further improved.
Adopt environmental protection nitrogen gas to cool off, can not discharge harmful gas, harmless to the environmental protection, simultaneously, nitrogen gas has good quick refrigerating capacity, is favorable to saving refrigerated time, improves production efficiency.
Therefore, the adjusting elastic sheet prepared by the method has good fatigue resistance, elasticity and high strength, so that the problem that the original shape cannot be recovered can be avoided even if the adjusting elastic sheet is subjected to deformation adjustment repeatedly for a long time when the adjusting elastic sheet supports the lens, and the service life of the adjusting elastic sheet is greatly prolonged.
Drawings
FIG. 1 is a flow chart illustrating a process for manufacturing a beryllium copper plate according to an embodiment of the present invention;
fig. 2 is a process flow diagram of an adjusting spring plate according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an adjusting elastic sheet manufactured by the processing method provided by the embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The embodiment of the invention provides a method for processing an optical lens adjusting elastic sheet, which specifically comprises the following steps:
providing or preparing a beryllium-copper sheet material, referring to fig. 1, a manufacturing process of the beryllium-copper sheet material is shown, which comprises the following steps:
s11, providing a beryllium copper blank with a certain thickness and a strip; the beryllium copper blank comprises two metal materials of copper and beryllium metal, and one or more than two materials of nickel, iron, aluminum or silicon materials can be added.
And S12, respectively applying force to the left side and the right side of the beryllium copper blank from the middle position of the beryllium copper blank by adopting extrusion equipment to extrude the beryllium copper blank to extend towards the two sides.
And S13, continuing to use the extrusion equipment, repeating the step S12, continuously widening and thinning the beryllium copper blank until the beryllium copper blank reaches the required thickness and width, and rolling the beryllium copper blank into a roll for standby.
Referring to fig. 2, a process of manufacturing the adjusting spring plate is shown, which includes the following steps:
and S14, selecting a roll of beryllium copper plate, and transversely cutting out a large plate.
And S15, cutting a plurality of laths along the grain direction of the large plate, wherein the grain direction is the extending direction of the beryllium copper plate during extrusion forming, namely the width direction of the beryllium copper plate.
S16, taking one of the battens, feeding the batten into a cutting device along the length direction of the batten, and sequentially cutting a plurality of sheet materials with the width being the same as that of the required adjusting elastic sheet, wherein the length direction of each sheet material is the width direction of the batten.
And S17, respectively spraying atomized oil on the front surface and the back surface of the sheet material to form a layer of protective film with the surface oxidation resistance and corrosion resistance on the front surface and the back surface.
And S18, feeding the sheet material into a die to form the adjusting elastic sheet with the required shape.
S19, an environment-friendly solvent is adopted, preferably, an environment-friendly hydrocarbon cleaning agent is adopted to clean the adjusting elastic sheet, and impurities attached to the surface of the adjusting elastic sheet are removed.
S20, feeding the cleaned adjusting spring sheet into a vacuum heat treatment furnace for a certain period of time (12 hours in this embodiment), cooling with environmental-friendly nitrogen gas, and discharging, to complete the processing of the required adjusting spring sheet, as shown in fig. 3, the adjusting spring sheet is obtained by the processing method of this embodiment.
In summary, in the method for processing the spring plate of the embodiment, the beryllium copper plate is cut into the large plates, the size of the large plates can meet the size requirement of the existing cutting equipment, and the large plates can be cut into the plurality of laths again along the lines of the large plates. The width direction of the batten is the grain direction, at the moment, the batten is transversely cut to obtain a sheet material, and the length direction of the sheet material is the grain direction. The length direction of the sheet material is the same as that of the formed adjusting elastic sheet, so that the adjusting elastic sheet has good elasticity and fatigue resistance.
Before the sheet material is processed, the mist oil is sprayed, so that the sheet material can play a role in protection in the processing process, the heat generated in the processing process is prevented from oxidizing the sheet material, and the constant temperature and the tidiness of the sheet material are also favorably kept. Adopt environment-friendly solvent to wash the regulation shell fragment after the shaping, can get rid of impurity on its surface, prevent in the follow-up heating process, impurity melting infiltration adjusts in the shell fragment, influences the material purity of adjusting the shell fragment.
The adjusting elastic sheet is heated back and forth, so that various metal materials with different diameters in the adjusting elastic sheet can be rearranged and distributed continuously, and therefore, gaps among metal materials with large diameters can be filled with metal materials with small diameters, and the strength and the elasticity of the adjusting elastic sheet can be further improved.
Adopt environmental protection nitrogen gas to cool off, can not discharge harmful gas, harmless to the environmental protection, simultaneously, nitrogen gas has good quick refrigerating capacity, is favorable to saving refrigerated time, improves production efficiency.
Therefore, the adjusting elastic sheet prepared by the method has good fatigue resistance, elasticity and high strength, so that the problem that the original shape cannot be recovered can be avoided even if the adjusting elastic sheet is subjected to deformation adjustment repeatedly for a long time when the adjusting elastic sheet supports the lens, and the service life of the adjusting elastic sheet is greatly prolonged.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. A processing method of an optical lens adjusting elastic sheet is characterized by comprising the following steps:
s10, selecting a roll of beryllium copper plate, and transversely cutting out a large plate;
s20, feeding the large plate into a cutting device along the grain direction of the large plate, and cutting a plurality of laths along the grain direction of the large plate; the grain direction is the extending direction of the beryllium copper plate during extrusion forming, namely the width direction of the beryllium copper plate;
s30, taking one of the battens, feeding the batten into a cutting device along the length direction of the batten, and sequentially cutting a plurality of sheet materials with the width same as that of the required adjusting elastic sheet, wherein the length direction of the sheet materials is the width direction of the batten;
s40, respectively spraying atomized oil on the front surface and the back surface of the sheet material to form a layer of protective film with the surface oxidation resistance and corrosion resistance on the front surface and the back surface;
s50, feeding the sheet material into a die to form an adjusting elastic sheet with a required shape;
s60, cleaning the adjusting elastic sheet by adopting an environment-friendly solvent, and removing impurities attached to the surface of the adjusting elastic sheet;
and S70, conveying the cleaned adjusting elastic sheet into a vacuum heat treatment furnace for a period of back-and-forth cold and heat treatment, and finally cooling by environment-friendly nitrogen and discharging to finish processing the required adjusting elastic sheet.
2. The method of claim 1, wherein said beryllium copper sheet is produced by a process comprising the steps of:
s11, providing a beryllium copper blank with a certain thickness and a strip;
s12, extruding the beryllium copper blank from the middle position of the beryllium copper blank in the left and right directions by adopting extruding equipment to extend the beryllium copper blank in the two directions;
and S13, continuing to use the extrusion equipment, repeating the step S12, continuously widening and thinning the beryllium copper blank until the beryllium copper blank reaches the required thickness and width, and rolling the beryllium copper blank into a roll for standby.
3. The process of claim 2 wherein the environmentally friendly solvent is an environmentally friendly hydrocarbon cleaner.
4. The process of claim 2, wherein said beryllium copper plate material comprises two metal materials, copper metal and beryllium metal, and further comprises one or more of nickel, iron, aluminum or silicon material.
5. The processing method according to claim 2, wherein in step S70, the time period of the cold and hot treatment of the adjusting spring piece is 12 hours.
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| CN201910115691.2A CN109655990B (en) | 2019-02-13 | 2019-02-13 | Processing method of optical lens adjusting elastic sheet |
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| CN201910115691.2A CN109655990B (en) | 2019-02-13 | 2019-02-13 | Processing method of optical lens adjusting elastic sheet |
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| CN109655990B true CN109655990B (en) | 2021-06-08 |
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