CN113787381B - Vehicle convex lens and processing technology thereof - Google Patents
Vehicle convex lens and processing technology thereof Download PDFInfo
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- CN113787381B CN113787381B CN202111046031.7A CN202111046031A CN113787381B CN 113787381 B CN113787381 B CN 113787381B CN 202111046031 A CN202111046031 A CN 202111046031A CN 113787381 B CN113787381 B CN 113787381B
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- 238000005516 engineering process Methods 0.000 title claims abstract description 9
- 238000012545 processing Methods 0.000 title claims abstract description 9
- 230000003287 optical effect Effects 0.000 claims abstract description 86
- 238000000034 method Methods 0.000 claims abstract description 27
- 230000008569 process Effects 0.000 claims abstract description 27
- 238000005498 polishing Methods 0.000 claims abstract description 10
- 239000011521 glass Substances 0.000 claims description 124
- 230000007246 mechanism Effects 0.000 claims description 57
- 239000000463 material Substances 0.000 claims description 42
- 238000009826 distribution Methods 0.000 claims description 35
- 238000010438 heat treatment Methods 0.000 claims description 33
- 238000003860 storage Methods 0.000 claims description 32
- 238000000137 annealing Methods 0.000 claims description 30
- 238000003825 pressing Methods 0.000 claims description 20
- 238000001514 detection method Methods 0.000 claims description 18
- 238000000227 grinding Methods 0.000 claims description 18
- 238000009434 installation Methods 0.000 claims description 15
- 239000002699 waste material Substances 0.000 claims description 9
- 238000007664 blowing Methods 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 5
- 238000003754 machining Methods 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 230000007547 defect Effects 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 238000011084 recovery Methods 0.000 claims description 3
- 238000009966 trimming Methods 0.000 claims description 3
- 238000011179 visual inspection Methods 0.000 claims description 3
- 238000000748 compression moulding Methods 0.000 claims description 2
- 238000012360 testing method Methods 0.000 abstract description 4
- 210000004127 vitreous body Anatomy 0.000 description 14
- 230000032258 transport Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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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
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
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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
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/04—Re-forming tubes or rods
- C03B23/049—Re-forming tubes or rods by pressing
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B25/00—Annealing glass products
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B33/00—Severing cooled glass
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
The invention provides a vehicle convex lens and a processing technology thereof, wherein the vehicle convex lens comprises a convex lens main body and is characterized in that: the convex lens main body comprises an optical spherical body and an optical bottom plate, one end of the optical spherical body is planar and is connected with one end face of the optical bottom plate into a whole, the other end face of the optical bottom plate is also planar, one end, away from the optical bottom plate, of the optical spherical body is spherical, eight optical protrusions are sequentially arranged on the spherical surface of the optical spherical body from left to right, the eight optical protrusions are arranged in a linear shape, and clamping parts used for positioning and fixing are further arranged on the periphery of the optical bottom plate. The circle of clamping parts for positioning and fixing are arranged on the periphery of the optical bottom plate, and the convex lens is quickly clamped through the clamping parts in the processes of optical testing, polishing and mounting, so that the practicability is greatly improved.
Description
Technical Field
The invention relates to the technical field of convex lenses, in particular to a convex lens for a vehicle and a processing technology thereof.
Background
With the continuous progress of science and technology, the LED light source has more advantages and becomes the preferred scheme of novel vehicle lamp light source.
Related countries and industries have mandatory light distribution requirements of cut-off lines of light and shade for near and far lights in vehicle headlamps, and the vehicle lamp with the projection type convex lens has been used for more than 20 years, and has unique superiority and is widely adopted in design and application of the low beam of the vehicle lamp. However, the convex lens for the car lamp needs to be specially designed to clamp the tool in order not to damage the optical surface in the machining process, so that the cost is increased, the machining time can be greatly increased by clamping the convex lens through the clamping tool, and the production efficiency is reduced.
Disclosure of Invention
The invention provides a convex lens for a vehicle and a processing technology thereof.A circle of clamping parts for positioning and fixing are arranged around an optical bottom plate, and the convex lens is quickly clamped in the processes of optical test, polishing and installation through the clamping parts, so that the practicability is greatly improved.
In order to solve the technical problem, the invention provides a convex lens for a vehicle, which comprises a convex lens main body and is characterized in that: the convex lens main body comprises an optical spherical body and an optical bottom plate, one end of the optical spherical body is planar and is connected with one end face of the optical bottom plate into a whole, the other end face of the optical bottom plate is also planar, one end, away from the optical bottom plate, of the optical spherical body is spherical, eight optical protrusions are sequentially arranged on the spherical surface of the optical spherical body from left to right, the eight optical protrusions are arranged in a 'one' shape, clamping parts used for positioning and fixing are further arranged on the periphery of the optical bottom plate, the optical bottom plate is circular, the clamping parts surround the optical bottom plate for one circle, each clamping part comprises a first clamping part, a second clamping part and a third clamping part, the second clamping part is provided with two clamping parts, the two second clamping parts, the first clamping part and the third clamping part are connected with the optical bottom plate into a whole, the two ends of the first clamping part are connected with the two ends of the third clamping part into a whole through the second clamping part, the optical protrusions are symmetrical about the spherical surface, and the four optical protrusions on the left side of the optical bottom plate are sequentially arranged in a 2-degree angle, 5-degree and a 4-degree angle and a 4-degree turning-degree angle.
Further: the processing technology of the vehicular convex lens comprises the following steps:
s1: preparing materials: selecting a cylindrical glass body with corresponding length according to the size of the manufactured convex lens, and then dividing the cylindrical glass body into a plurality of equal parts according to the material consumption of the convex lens;
s2: and (4) observation and detection: manually observing the cylindrical glass body divided into a plurality of equal parts to see whether fingerprints and dust exist on the surface of the cylindrical glass body and whether impurities exist in the cylindrical glass body, if no problem exists, putting the cylindrical glass body into a feeding area, if impurities exist, selecting the cylindrical glass body and putting the cylindrical glass body into a recovery area, and if fingerprints and dust exist, wiping the cylindrical glass body completely and then putting the cylindrical glass body into the feeding area;
s3: heating: pouring the columnar glass bodies placed in the feeding area in the step S2 into an automatic feeding mechanism, and placing the columnar glass bodies into a glass softening furnace one by one through the automatic feeding mechanism so as to soften the columnar glass bodies through heating;
s4: and (3) pressing and forming: taking the softened columnar glass body in the step S3 out of the glass softening furnace, placing the columnar glass body into a hot press, and pressing the columnar glass body through a die to form a convex lens rough blank;
s5: and (3) annealing: demolding the convex lens rough blank formed by pressing in the step S4, then placing the convex lens rough blank into an annealing furnace, annealing to remove stress, demolding the convex lens rough blank by blowing after pressing is finished, and then sending the demolded convex lens rough blank into the annealing furnace by a mechanical arm;
s6: removing waste edges: removing the waste edges of the annealed convex lens rough blank, scribing the redundant part of the convex lens rough blank by a glass cutter, and then removing the blank by knocking;
s7: polishing: placing the convex lens rough blank subjected to the edge trimming removal in the step S6 into a grinding machine, grinding the surface of the convex lens rough blank through the grinding machine to prepare a convex lens, and performing coarse grinding, fine grinding, polishing and cleaning on the convex lens rough blank in the grinding machine in sequence;
s8: and (3) appearance detection: firstly, observing and detecting the whole convex lens through manual visual inspection, picking out waste products with defects in the machining process, and then detecting the size of the convex lens through a size inspection instrument;
s9: optical detection: and carrying out optical detection on the convex lens subjected to appearance detection by a mounting machine, wherein the convex lens without problems after the optical detection is a convex lens finished product.
And further: the automatic feeding mechanism in the step S3 comprises a top plate, a left support, a right support, a middle support, a distribution mechanism, a cylindrical glass body conveying mechanism, a turntable, a first servo motor, a lifting electric cylinder and a clamp, wherein the top plate is horizontally fixed at the tops of the left support, the right support and the middle support, the middle support is positioned between the left support and the right support, the distribution mechanism is arranged between the left support and the middle support, a material storage and discharge mechanism is further arranged right above the distribution mechanism, the cylindrical glass body conveying mechanism is arranged below the distribution mechanism and the turntable, the distribution mechanism comprises a distribution plate, a driving shaft, a second servo motor, arc baffles and arc baffle mounting seats, the number of the arc baffles and the arc baffle mounting seats is two, the distribution plate is sleeved on the driving shaft, and two sides of the distribution plate are respectively provided with one arc baffle, the side of the arc baffle facing the distribution plate is provided with an arc groove matched with the excircle of the distribution plate, the outer wall of the distribution plate is uniformly provided with a plurality of grooves for storing glass columnar bodies, the driving shaft is connected with a second servo motor, two arc baffle installation seats are respectively fixed on a left bracket and a middle bracket, the arc baffle installation seats are provided with guide grooves for connecting the arc baffles, one side of the arc baffle, which is far away from the arc groove, is movably connected in the guide grooves, the arc baffle installation seats are also provided with threaded through holes matched with the guide grooves, the threaded through holes are internally connected with adjusting bolts, one ends of the adjusting bolts penetrate through the threaded through holes and extend into the guide grooves to be connected with the arc baffles, a feed inlet is formed between the upper ends of the two arc baffle installation seats, and a discharge outlet is formed between the lower ends of the two arc baffle installation seats, the top of two cowl mounts all is provided with glass column body roll guide holder, and the glass column body that drops through depositing feed mechanism rolls into in the feed inlet along glass column body roll guide holder, column vitreous body conveying mechanism's left end is located the discharge gate under, the bottom at the roof right-hand member is connected to the carousel level rotation, the center department at carousel top is connected with the pivot of vertical setting, the upper end of pivot links to each other with the first servo motor who fixes on the roof, column vitreous body conveying mechanism's right-hand member is located the carousel left end under, the right-hand member of carousel is located the glass softening furnace feed inlet directly over, the bottom of carousel is provided with four or more than four anchor clamps, and four or more than four anchor clamps are circular arranging in the bottom of carousel and every anchor clamps all are connected with an electronic jar that goes up and down, electronic jar that goes up and down install on the carousel.
And further: deposit feed mechanism include the deposit flitch, the slope of deposit flitch place and its right-hand member is fixed on middle support, the left end of deposit flitch is less than its right-hand member and its left end extends to fix directly over the glass columniform body roll guide holder on the left socle, the left end of deposit flitch and fix on the left socle that the interval of glass columniform body roll guide holder is less than the diameter of 1.5 glass columniform bodies and is greater than the diameter of 1.3 glass columniform bodies, the bottom of deposit flitch left end still is provided with the electronic jar of blowing, the electronic jar of blowing link to each other for the baffle, the baffle pass the deposit flitch through the drive of electronic jar and extend the top of deposit flitch left end, still be provided with the limiting plate rather than parallel directly over the deposit flitch, the limiting plate links to each other with the electronic jar of lift of fixing on the top, spacing electronic jar is installed at the top of limiting plate left end, spacing electronic jar link to each other with the limiting plate, the limiting plate be located the right side of baffle and its drive through electronic jar extends between limiting plate and the baffle, the middle support between the right-hand member that the glass columniform body formed the diameter of 1 glass columniform body, the diameter of glass columniform body is less than the right-hand member.
And further: columnar glass body conveying mechanism include two sprockets, conveyer belt, deposit and receive seat and third servo motor, two sprockets are fixed respectively on two rotation axes, rotation axis rotate connect around between two supporting seats that the level was placed, one of them rotation axis links to each other with third servo motor, the vertical spike that is provided with in bottom of supporting seat, the conveyer belt encircle the outside of two sprockets and carry along with the rotation of sprocket, the conveyer belt constitute by a plurality of transport piece end to end connection, through hinge swing joint between two adjacent transport pieces, the bottom of carrying the piece is the arc form and its top is planar, it receives the seat to be fixed with two deposits in the one side of carrying the piece, carry the piece to be arc in the one side still seted up with sprocket assorted spread groove, carry to the discharge gate when every piece carries under, the columnar glass body drops to two on carrying the piece along the discharge gate and deposits in receiving the seat.
And further: the fixture comprises a U-shaped seat, an electric clamping cylinder, a guide rod and clamping pieces, wherein the U-shaped seat is connected with the electric lifting cylinder, the guide rod is horizontally fixed between two side walls of the U-shaped seat, the guide rod is movably connected with the two clamping pieces, and the two clamping pieces are oppositely arranged and are respectively connected with the two electric clamping cylinders fixed on the two side walls of the U-shaped seat.
And further: in the step S3, the glass softening furnace is divided into five heating zones, the glass column body sequentially passes through the five heating zones for heating, the heating temperatures of the five heating zones are 700 ℃, 770 ℃, 910 ℃, 1030 ℃ and 1050 ℃, the temperature control devices are arranged in the five heating zones, the temperature of different zones of the heating furnace can be heated and reduced through the power regulator before the required temperature is not reached, the temperature of the zones can be accurately controlled, and the total heating time of the glass column body in the five heating zones in the glass softening furnace is 8 minutes.
And further: the pressing process of the hot press in the step S3 is sequentially divided into three sections, namely a fast-falling process, a slow-falling process and a pressure maintaining process, wherein the fast-falling process comprises the following steps: the speed is 1000r/min, the pressure is 15Mpa and the time is 1.2s; the slow process comprises the following steps: the speed is 120r/min, the pressure is 15Mpa, and the time is 1.1s; the pressure maintaining process comprises the following steps: the pressure is 18Mpa and the time is 6-10s.
And further: the mold in the step S4 comprises a mold main body, the mold main body is cylindrical, a pressing groove matched with the convex lens main body is formed in the top of the mold main body, 8 grooves matched with eight optical protrusions on the spherical surface of the optical spherical body are further formed in the arc-shaped inner wall of the pressing groove, the 8 grooves in the arc-shaped inner wall of the pouring groove are bilaterally symmetrical, a fixing portion connected with the bottom of the mold main body into a whole is further formed in the bottom of the mold main body, and one end, far away from the mold main body, of the fixing portion is provided with a fixing hole used for installation.
And further: the annealing furnace in the step S4 is sequentially divided into three annealing temperature areas, the convex lens rough blank is annealed through the three annealing temperature areas sequentially, the temperatures of the three annealing temperature areas are 550 ℃, 480 ℃ and 450 ℃, and the annealing time of the convex lens rough blank in the three annealing temperature areas is not less than 4 hours in total.
After the structure is adopted, a circle of clamping parts for positioning and fixing are arranged on the periphery of the optical bottom plate, and the convex lens is quickly clamped in the processes of optical test, polishing and installation through the clamping parts, so that the practicability is greatly improved; in addition, the surface of the columnar glass body can be observed before the columnar glass body is heated, so that the columnar glass body with problems is removed and treated, and the rejection rate of the convex lens is greatly reduced.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a front view structural view of a vehicular convex lens.
Fig. 2 is a plan view of the convex lens for a vehicle.
Fig. 3 is a perspective view of a convex lens for a vehicle.
Fig. 4 is a structural view of a casting mold for a vehicle convex lens.
Fig. 5 is an internal structure view of a casting mold for a vehicle convex lens.
Fig. 6 is a schematic structural view of the automatic feeding mechanism.
Fig. 7 is a structural view of a material storing and discharging mechanism in the automatic feeding mechanism.
Fig. 8 is a structural view of a dispensing mechanism in the automatic feeding mechanism.
Fig. 9 is a structural view of a columnar glass body conveying mechanism in the automatic feeding mechanism.
Fig. 10 is a structural view of a jig in the automatic feed mechanism.
Detailed Description
As shown in fig. 1, fig. 2 and fig. 3, the vehicular convex lens includes a convex lens main body, the convex lens main body is composed of an optical spherical body 1 and an optical bottom plate, one end of the optical spherical body is planar and is connected with one end face of the optical bottom plate, the other end face of the optical bottom plate is also planar, one end of the optical spherical body, which is far away from the optical bottom plate, is spherical, eight optical protrusions 3 are sequentially arranged on the spherical surface of the optical spherical body from left to right, the eight optical protrusions are arranged in a shape of "one" and are further provided with clamping portions 4 for positioning and fixing around the optical bottom plate. The circle of clamping parts for positioning and fixing are arranged on the periphery of the optical bottom plate, and the convex lens is quickly clamped through the clamping parts in the processes of optical testing, polishing and mounting, so that the practicability is greatly improved.
The optical backplane shown in fig. 2 and 3 is circular, the clamping portion surrounds the optical backplane by one circle, the clamping portion is composed of a first clamping portion 4-1, a second clamping portion 4-2 and a third clamping portion 4-3, the second clamping portion is provided with two blocks, the two second clamping portions, the first clamping portion and the third clamping portion are connected with the optical backplane into a whole, and two ends of the first clamping portion are respectively connected with two ends of the third clamping portion into a whole through the second clamping portion.
Eight optical protrusions on the spherical surface of the optical spherical body are symmetrical left and right pairwise, wherein the protrusion angles of the four optical protrusions on the left side from left to right are sequentially 2 degrees, 3 degrees, 4 degrees and 5 degrees.
The processing technology of the convex lens for the vehicle comprises the following steps:
s1: preparing materials: selecting a cylindrical glass body with corresponding length according to the size of the manufactured convex lens, and then dividing the cylindrical glass body into a plurality of equal parts according to the material consumption of the convex lens;
s2: and (4) observation and detection: manually observing the cylindrical glass body divided into a plurality of equal parts to see whether fingerprints and dust exist on the surface of the cylindrical glass body and whether impurities exist in the cylindrical glass body, if no problem exists, putting the cylindrical glass body into a feeding area, if impurities exist, selecting the cylindrical glass body and putting the cylindrical glass body into a recovery area, and if fingerprints and dust exist, wiping the cylindrical glass body completely and then putting the cylindrical glass body into the feeding area;
s3: heating: pouring the columnar glass bodies placed in the feeding area in the step S2 into an automatic feeding mechanism, and placing the columnar glass bodies into a glass softening furnace one by one through the automatic feeding mechanism so as to soften the columnar glass bodies through heating;
s4: and (3) compression molding: taking the softened columnar glass body in the step S3 out of the glass softening furnace, placing the columnar glass body into a hot press, and pressing the columnar glass body through a die to form a convex lens rough blank;
s5: and (3) annealing: demolding the convex lens rough blank formed by pressing in the step S4, then placing the convex lens rough blank into an annealing furnace, annealing to remove stress, demolding the convex lens rough blank by blowing after pressing is finished, and then sending the demolded convex lens rough blank into the annealing furnace by a mechanical arm;
s6: removing waste edges: removing waste edges of the annealed convex lens rough blank, scribing the redundant part of the convex lens rough blank by a glass cutter, and then removing the convex lens rough blank in a knocking mode;
s7: polishing: placing the convex lens rough blank subjected to the edge trimming removal in the step S6 into a grinding machine, grinding the surface of the convex lens rough blank through the grinding machine to prepare a convex lens, and performing coarse grinding, fine grinding, polishing and cleaning on the convex lens rough blank in the grinding machine in sequence;
s8: and (3) appearance detection: firstly, observing and detecting the whole convex lens through manual visual inspection, picking out waste products with defects in the processing process, and then detecting the size of the convex lens through a size inspection instrument;
s9: optical detection: and carrying out optical detection on the convex lens subjected to appearance detection by using a matching machine, wherein the convex lens without problems after the optical detection is a convex lens finished product.
The invention can observe the surface of the columnar glass body before heating the columnar glass body, thereby removing and treating the columnar glass body with problems and greatly reducing the rejection rate of the convex lens.
As shown in fig. 6 and 8, the automatic feeding mechanism in step S3 includes a top plate 2, a left support 1, a right support 8, a middle support 3, a distribution mechanism 9, a cylindrical vitreous body conveying mechanism 10, a turntable 4, a first servo motor 5, a lifting electric cylinder 6 and a clamp 7, the top plate is horizontally fixed on the top of the left support, the right support and the middle support, the middle support is located between the left support and the right support, the distribution mechanism is installed between the left support and the middle support, a material storage and discharge mechanism is further provided right above the distribution mechanism, the cylindrical vitreous body conveying mechanism is provided below the distribution mechanism and the turntable, the distribution mechanism includes a distribution disk 9-2, a driving shaft, a second servo motor, an arc baffle 9-3 and an arc baffle mounting seat 9-1, two arc baffles and two arc baffle mounting seats are respectively provided, the distribution plate is sleeved on the driving shaft, two arc-shaped baffles are respectively arranged on two sides of the distribution plate, an arc-shaped groove matched with the excircle of the distribution plate is formed in one side, facing the distribution plate, of each arc-shaped baffle, a plurality of grooves 9-2-1 used for storing glass cylindrical bodies are uniformly formed in the outer wall of the distribution plate, the driving shaft is connected with the second servo motor, two arc-shaped baffle mounting seats are respectively fixed on the left support and the middle support, guide grooves used for connecting the arc-shaped baffles are formed in the arc-shaped baffle mounting seats, one sides, far away from the arc-shaped grooves, of the arc-shaped baffles are movably connected in the guide grooves, threaded through holes matched with the guide grooves are further formed in the arc-shaped baffle mounting seats, adjusting bolts 9-4 are connected in the threaded through holes, and one ends of the adjusting bolts penetrate through the threaded through holes to extend into the guide grooves to be connected with the arc-shaped baffles, form the feed inlet between the upper end of two cowl bases, form the discharge gate between the lower extreme of two cowl bases, the top of two cowl bases all is provided with glass column body roll guide seat 11, and the glass column body that drops through depositing feed mechanism rolls into in the feed inlet along glass column body roll guide seat, column vitreous body conveying mechanism's left end is located the discharge gate under, the bottom at the roof right-hand member is connected in to the carousel level rotation, the center department at carousel top is connected with the pivot of vertical setting, the upper end of pivot links to each other with the first servo motor who fixes on the roof, column vitreous body conveying mechanism's right-hand member is located the carousel left end under, the right-hand member of carousel is located the glass softening furnace feed inlet directly over, the bottom of carousel is provided with four or more than four anchor clamps, and four or more than four anchor clamps are circular arrange in the bottom of carousel and every anchor clamps all are connected with a lift electric cylinder, lift electric cylinder install on the carousel.
The material storage mechanism shown in fig. 7 comprises a material storage plate 13, the material storage plate is obliquely arranged, the right end of the material storage plate is fixed on the middle support, the left end of the material storage plate is lower than the right end of the material storage plate, the left end of the material storage plate extends to be right above a glass cylindrical body rolling guide seat fixed on the left support, the distance between the left end of the material storage plate and the glass cylindrical body rolling guide seat fixed on the left support is smaller than the diameter of 1.5 glass cylindrical bodies and larger than the diameter of 1.3 glass cylindrical bodies, a discharging electric cylinder 17 is further arranged at the bottom of the left end of the material storage plate, the discharging electric cylinder is connected by a baffle 18, the baffle pass the material stock board through the drive of the electronic jar of blowing and extend the top of material stock board left end, still be provided with the limiting plate 12 rather than parallel directly over the material stock board, the limiting plate links to each other with the electronic jar 14 of lift of fixing on the top, spacing electronic jar 15 is installed at the top of limiting plate left end, spacing electronic jar link to each other with limiting plate 16, the limiting plate be located the right side of baffle and its drive through spacing electronic jar pass the limiting plate and extend between limiting plate and the baffle, the right-hand member of limiting plate and intermediate support between form glass column feed inlet, interval between the right-hand member of limiting plate and the roof is less than the diameter of 1 glass column.
The cylindrical glass body conveying mechanism shown in fig. 9 comprises two chain wheels 10-1, a conveying belt, storage seats 10-4 and a third servo motor, wherein the two chain wheels are respectively fixed on two rotating shafts, the rotating shafts are rotatably connected between two supporting seats 10-2 which are horizontally placed in the front and back directions, one of the rotating shafts is connected with the third servo motor, supporting feet 10-3 are vertically arranged at the bottoms of the supporting seats, the conveying belt is wound around the outer sides of the two chain wheels and is conveyed along with the rotation of the chain wheels, the conveying belt is composed of a plurality of conveying pieces 10-5 which are connected end to end, the two adjacent conveying pieces are movably connected through a hinge, the bottoms of the conveying pieces are arc-shaped, the tops of the conveying pieces are planar, the two storage seats are fixed on the planar surface of the conveying pieces, a connecting groove matched with the chain wheels is further formed in the arc-shaped surface of the conveying pieces, and when each conveying piece is conveyed to the position under the discharge port, the cylindrical glass body falls into the two storage seats on the conveying pieces along the discharge port to be stored.
The clamp shown in fig. 10 comprises a U-shaped seat 7-1, a clamping electric cylinder 7-3, a guide rod 7-2 and clamping pieces 7-4, wherein the U-shaped seat is connected with the lifting electric cylinder, the guide rod is horizontally fixed between two side walls of the U-shaped seat, the guide rod is movably connected with the two clamping pieces, and the two clamping pieces are oppositely arranged and respectively connected with the two clamping electric cylinders fixed on the two side walls of the U-shaped seat.
The during operation, the column vitreous body after observing through the surface is invertd on the right-hand member of material stock board through the feed inlet, adjust the interval of limiting plate and material stock board through the electronic jar that goes up and down, make its same time can only pass through a column vitreous body, then carry out the material loading one by one through the design of baffle and limiting plate, the column vitreous body rolls along the guide holder and goes into the recess on the distribution, then drop and hold the seat through the discharge gate and save in holding, the column vitreous body transports to the right-hand member from the left end through column vitreous body conveying mechanism, the height of adjusting fixture presss from both sides tightly to the column vitreous body of transporting the right-hand member, then start first servo motor and take anchor clamps to rotate for the carousel, transport the column vitreous body to the glass softening furnace feed inlet directly over, then the height of adjusting fixture loosens anchor clamps, make the column vitreous body automatically drop into the glass softening furnace and heat. By adopting the design, the automatic feeding can be realized one by one, so that manual feeding is replaced, the working efficiency is improved, the safety performance is improved, and the manual operation is prevented from being scalded by the softening furnace in the conveying process.
In the step S3, the glass softening furnace is divided into five heating zones, the glass column sequentially passes through the five heating zones for heating, the heating temperatures of the five heating zones are 700 ℃, 770 ℃, 910 ℃, 1030 ℃ and 1050 ℃, the five heating zones are all provided with temperature controls, different areas of the heating furnace can be heated and cooled by an electric power regulator before the required temperature is not reached, the area temperature can be accurately controlled, and the total heating time of the glass column in the five heating zones in the glass softening furnace is 8 minutes.
The pressing process of the hot press in the step S3 is sequentially divided into three sections, which are a fast-falling process, a slow-falling process and a pressure maintaining process, wherein the fast-falling process comprises: the speed is 1000r/min, the pressure is 15Mpa and the time is 1.2s; the slow process comprises the following steps: the speed is 120r/min, the pressure is 15Mpa, and the time is 1.1s; the pressure maintaining process comprises the following steps: the pressure is 18Mpa and the time is 6-10s.
The mold in the step S4 includes a mold main body 2, the mold main body is cylindrical, a pressing groove 2-1 matched with the convex lens main body is formed in the top of the mold main body, 8 grooves matched with the eight optical protrusions on the spherical surface of the optical spherical body are further formed in the arc-shaped inner wall of the pressing groove, the 8 grooves in the arc-shaped inner wall of the pouring groove are bilaterally symmetrical, a fixing portion 5 connected with the mold main body into a whole is further formed in the bottom of the mold main body, and a fixing hole 5-1 for installation is formed in one end, far away from the mold main body, of the fixing portion.
The annealing furnace in the step S4 is sequentially divided into three annealing temperature areas, the convex lens rough blank is annealed through the three annealing temperature areas sequentially, the temperatures of the three annealing temperature areas are 550 ℃, 480 ℃ and 450 ℃, and the annealing time of the convex lens rough blank in the three annealing temperature areas is not less than 4 hours in total.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (1)
1. The utility model provides an automobile-used convex lens, includes convex lens main part, its characterized in that: the convex lens main body is composed of an optical spherical body and an optical bottom plate, one end of the optical spherical body is planar and is connected with one end face of the optical bottom plate into a whole, the other end face of the optical bottom plate is also planar, one end, away from the optical bottom plate, of the optical spherical body is spherical, eight optical protrusions are sequentially arranged on the spherical surface of the optical spherical body from left to right, the eight optical protrusions are arranged in a shape like a Chinese character 'yi', clamping parts used for positioning and fixing are further arranged on the periphery of the optical bottom plate, the optical bottom plate is circular, the clamping parts surround the optical bottom plate for one circle, the clamping parts are composed of a first clamping part, a second clamping part and a third clamping part, the second clamping part is provided with two clamping parts, the first clamping part and the third clamping part are connected with the optical bottom plate into a whole, the two ends of the first clamping part are respectively connected with the two ends of the third clamping part into a whole through the second clamping part, the two optical protrusions are symmetrical with the left and right surfaces, and the optical protrusions are respectively connected with an angle of 4 degrees, and four optical protrusions in a right angle;
the processing technology of the vehicular convex lens comprises the following steps:
s1: preparing materials: selecting a cylindrical glass body with corresponding length according to the size of the manufactured convex lens, and then dividing the cylindrical glass body into a plurality of equal parts according to the material consumption of the convex lens;
s2: and (4) observation and detection: manually observing the columnar glass body divided into a plurality of equal parts, observing whether fingerprints and dust exist on the surface of the columnar glass body or not, judging whether impurities exist in the columnar glass body or not, if no problem exists, putting the columnar glass body into a feeding area, if impurities exist, selecting the columnar glass body and putting the columnar glass body into a recovery area, and if fingerprints and dust exist, wiping the columnar glass body completely and then putting the columnar glass body into the feeding area;
s3: heating: pouring the columnar glass bodies placed in the feeding area in the step S2 into an automatic feeding mechanism, and placing the columnar glass bodies into a glass softening furnace one by one through the automatic feeding mechanism so as to soften the columnar glass bodies through heating;
s4: and (3) compression molding: taking the softened columnar glass body in the step S3 out of the glass softening furnace, placing the columnar glass body into a hot press, and pressing the columnar glass body through a die to form a convex lens rough blank;
s5: annealing: demolding the convex lens rough blank formed by pressing in the step S4, then placing the convex lens rough blank into an annealing furnace, annealing to remove stress, demolding the convex lens rough blank by blowing after pressing is finished, and then sending the demolded convex lens rough blank into the annealing furnace by a mechanical arm;
s6: removing waste edges: removing waste edges of the annealed convex lens rough blank, scribing the redundant part of the convex lens rough blank by a glass cutter, and then removing the convex lens rough blank in a knocking mode;
s7: polishing: placing the convex lens rough blank subjected to the edge trimming removal in the step S6 into a grinding machine, grinding the surface of the convex lens rough blank through the grinding machine to prepare a convex lens, and performing coarse grinding, fine grinding, polishing and cleaning on the convex lens rough blank in the grinding machine in sequence;
s8: and (3) appearance detection: firstly, observing and detecting the whole convex lens through manual visual inspection, picking out waste products with defects in the machining process, and then detecting the size of the convex lens through a size inspection instrument;
s9: optical detection: carrying out optical detection on the convex lens subjected to appearance detection by a matching machine, wherein the convex lens without problems after the optical detection is a convex lens finished product;
the automatic feeding mechanism in the step S3 comprises a top plate, a left support, a right support, a middle support, a distribution mechanism, a cylindrical glass body conveying mechanism, a turntable, a first servo motor, a lifting electric cylinder and a clamp, wherein the top plate is horizontally fixed at the tops of the left support, the right support and the middle support, the middle support is positioned between the left support and the right support, the distribution mechanism is arranged between the left support and the middle support, a material storage and discharge mechanism is further arranged right above the distribution mechanism, the cylindrical glass body conveying mechanism is arranged below the distribution mechanism and the turntable, the distribution mechanism comprises a distribution plate, a driving shaft, a second servo motor, an arc-shaped baffle and an arc-shaped baffle mounting seat, the two arc-shaped baffles and the two arc-shaped baffle mounting seats are respectively arranged, the distribution plate is sleeved on the driving shaft, and two arc-shaped baffles are respectively arranged on two sides of the distribution plate, the side of the arc baffle facing the distribution plate is provided with an arc groove matched with the excircle of the distribution plate, the outer wall of the distribution plate is uniformly provided with a plurality of grooves for storing glass columnar bodies, the driving shaft is connected with a second servo motor, two arc baffle installation seats are respectively fixed on a left bracket and a middle bracket, the arc baffle installation seats are provided with guide grooves for connecting the arc baffles, one side of the arc baffle, which is far away from the arc groove, is movably connected in the guide grooves, the arc baffle installation seats are also provided with threaded through holes matched with the guide grooves, the threaded through holes are internally connected with adjusting bolts, one ends of the adjusting bolts penetrate through the threaded through holes and extend into the guide grooves to be connected with the arc baffles, a feed inlet is formed between the upper ends of the two arc baffle installation seats, and a discharge outlet is formed between the lower ends of the two arc baffle installation seats, the top of each arc baffle mounting seat is provided with a glass cylindrical body rolling guide seat, glass cylindrical bodies falling off through a material storage mechanism roll into the material inlet along the glass cylindrical body rolling guide seats, the left end of the cylindrical glass body conveying mechanism is positioned under the material outlet, the rotary table is horizontally and rotatably connected to the bottom of the right end of the top plate, the center of the top of the rotary table is connected with a vertically arranged rotary shaft, the upper end of the rotary shaft is connected with a first servo motor fixed on the top plate, the right end of the cylindrical glass body conveying mechanism is positioned under the left end of the rotary table, the right end of the rotary table is positioned over the material inlet of the glass softening furnace, the bottom of the rotary table is provided with four or more than four clamps, the four or more than four clamps are circularly arranged at the bottom of the rotary table, each clamp is connected with a lifting electric cylinder, and the lifting electric cylinders are mounted on the rotary table;
the material storage mechanism comprises a material storage plate, the material storage plate is obliquely arranged, the right end of the material storage plate is fixed on a middle support, the left end of the material storage plate is lower than the right end of the material storage plate, the left end of the material storage plate extends to a position right above a glass columnar body rolling guide seat fixed on the left support, the distance between the left end of the material storage plate and the glass columnar body rolling guide seat fixed on the left support is smaller than the diameter of 1.5 glass columnar bodies and larger than the diameter of 1.3 glass columnar bodies, a discharging electric cylinder is further arranged at the bottom of the left end of the material storage plate and is connected with a baffle, the baffle penetrates through the material storage plate to a position above the left end of the material storage plate under the driving of the discharging electric cylinder, a limiting plate parallel to the material storage plate is further arranged right above the material storage plate, the limiting plate is connected with a lifting electric cylinder fixed on the top, a limiting electric cylinder is mounted at the top of the left end of the limiting plate, the limiting electric cylinder is connected with a limiting plate, the limiting plate is located on the right side of the baffle and penetrates through the driving of the electric cylinder and between the limiting plate and the baffle, a top plate of the middle support, and a distance between a glass columnar body is smaller than the diameter of 1 glass columnar body of the limiting plate;
the cylindrical glass body conveying mechanism comprises two chain wheels, a conveying belt, storage seats and a third servo motor, wherein the two chain wheels are respectively fixed on two rotating shafts, the rotating shafts are rotatably connected between two supporting seats horizontally arranged in front and at back, one rotating shaft is connected with the third servo motor, supporting legs are vertically arranged at the bottoms of the supporting seats, the conveying belt is wound around the outer sides of the two chain wheels and is conveyed along with the rotation of the chain wheels, the conveying belt is composed of a plurality of conveying pieces which are connected end to end, the two adjacent conveying pieces are movably connected through a hinge, the bottoms of the conveying pieces are arc-shaped, the tops of the conveying pieces are planar, two storage seats are fixed on one surface of each conveying piece, connecting grooves matched with the chain wheels are further formed in the arc-shaped surface of each conveying piece, and when each conveying piece is conveyed to the position under a discharge port, the cylindrical glass body falls into the two storage seats on the conveying pieces along the discharge port to be stored;
the fixture comprises a U-shaped seat, clamping electric cylinders, a guide rod and clamping pieces, wherein the U-shaped seat is connected with the lifting electric cylinder, the guide rod is horizontally fixed between two side walls of the U-shaped seat, the guide rod is movably connected with the two clamping pieces, and the two clamping pieces are oppositely arranged and are respectively connected with the two clamping electric cylinders fixed on the two side walls of the U-shaped seat;
in the step S3, the glass softening furnace is divided into five heating zones, the glass column body is sequentially heated by the five heating zones, the heating temperatures of the five heating zones are 700 ℃, 770 ℃, 910 ℃, 1030 ℃ and 1050 ℃, the temperature control is carried out in the five heating zones, the temperature of different zones of the heating furnace can be heated and reduced through an electric regulator before the required temperature is not reached, the temperature of the zones can be accurately controlled, and the total heating time of the glass column body in the five heating zones in the glass softening furnace is 8 minutes;
the pressing process of the hot press in the step S3 is sequentially divided into three sections, namely a fast-falling process, a slow-falling process and a pressure maintaining process, wherein the fast-falling process comprises the following steps: the speed is 1000r/min, the pressure is 15Mpa, and the time is 1.2s; the slow process comprises the following steps: the speed is 120r/min, the pressure is 15Mpa, and the time is 1.1s; the pressure maintaining process comprises the following steps: the pressure is 18Mpa, and the time is 6-10s;
the die in the step S4 comprises a die main body, wherein the die main body is cylindrical, a pressing groove matched with the convex lens main body is formed in the top of the die main body, 8 grooves matched with eight optical protrusions on the spherical surface of the optical spherical body are further formed in the arc-shaped inner wall of the pressing groove, the 8 grooves in the arc-shaped inner wall of the pressing groove are symmetrical in pairs, the bottom of the die main body is further provided with a fixing part connected with the die main body into a whole, and one end, away from the die main body, of the fixing part is provided with a fixing hole for installation;
the annealing furnace in the step S4 is sequentially divided into three annealing temperature zones, the convex lens rough blank is annealed through the three annealing temperature zones sequentially, the temperatures of the three annealing temperature zones are 550 ℃, 480 ℃ and 450 ℃, and the annealing time of the convex lens rough blank in the three annealing temperature zones is not less than 4 hours in total.
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Denomination of invention: A convex lens for vehicles and its processing technology Granted publication date: 20230217 Pledgee: China Construction Bank Corporation Changzhou Xinbei sub branch Pledgor: JIANGSU HONGXIANG OPTICAL GLASS Co.,Ltd. Registration number: Y2024980004251 |
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