CN114536064B - Clamp and method for machining refraction lens - Google Patents
Clamp and method for machining refraction lens Download PDFInfo
- Publication number
- CN114536064B CN114536064B CN202210296729.2A CN202210296729A CN114536064B CN 114536064 B CN114536064 B CN 114536064B CN 202210296729 A CN202210296729 A CN 202210296729A CN 114536064 B CN114536064 B CN 114536064B
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- clamp
- plate
- mirror
- floating support
- numerical control
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- 238000003754 machining Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000007667 floating Methods 0.000 claims abstract description 56
- 230000007246 mechanism Effects 0.000 claims description 12
- 238000005452 bending Methods 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 8
- 239000010720 hydraulic oil Substances 0.000 claims description 7
- 238000003801 milling Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 11
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
- B23Q3/082—Work-clamping means other than mechanically-actuated hydraulically actuated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Machine Tool Units (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a folding mirror machining clamp and a folding mirror machining method, wherein the folding mirror machining clamp comprises a bridge plate, a clamp unit, a first connecting plate and a second connecting plate, one end of the bridge plate is connected with a numerical control rotary table through the first connecting plate, the other end of the bridge plate is connected with a tailstock through the second connecting plate, the clamp unit comprises a clamp body, a positioning device, a clamping device and a floating supporting device, the clamp unit is fixed on the bridge plate through the clamp body, the positioning device is used for positioning a folding mirror workpiece to be machined on the clamp unit, the clamping device is used for clamping the positioned folding mirror workpiece, and the floating supporting device can selectively provide floating support for a dipped beam mirror surface of the folding mirror workpiece. The invention can realize the processing of the low beam mirror surface and the high beam mirror surface of the refraction mirror in one clamping, thereby ensuring the position precision and the mirror surface processing precision.
Description
Technical Field
The invention relates to the technical field of machining, in particular to a clamp and a method for machining a folding mirror.
Background
The refraction mirror is used for reflecting light rays emitted by a light-emitting diode (LED) light source to a set direction. When in operation, a group of LED light sources are respectively arranged at the upper part and the lower part, one group is used as a low beam and the other group is used as a high beam. In addition to the high accuracy of processing the mirror surface itself, the position accuracy of the folding mirror with respect to the reference surface is also high.
The core of mirror surface processing is to ensure the position accuracy, but because the supporting conditions required by the low beam mirror surface and the high beam mirror surface processing are different, the low beam mirror surface is used as a support when the high beam mirror surface is milled, otherwise, the quality of the mirror surface is difficult to ensure because of the insufficient strength of a workpiece, and the traditional process can be completed by clamping twice at least. The method has very strict precision requirements on the clamp and the workpiece blank.
Accordingly, those skilled in the art have been directed to developing a folder lens machining jig and a machining method thereof to overcome the above-mentioned problems.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, the present invention provides a clamp for machining a refractive mirror and a machining method thereof, which adopt a foldable floating support, can change the supporting state of the clamp during machining, and can realize the machining of a low beam mirror and a high beam mirror in one clamping, thereby ensuring the position accuracy and the mirror machining accuracy.
In order to achieve the above object, the invention provides a processing clamp for a folding mirror machine, comprising a bridge plate, a clamp unit, a first connecting plate and a second connecting plate, wherein one end of the bridge plate is connected with a numerical control turntable through the first connecting plate, the other end of the bridge plate is connected with a tailstock through the second connecting plate, the clamp unit comprises a clamp body, a positioning device, a clamping device and a floating support device, the clamp unit is fixed on the bridge plate through the clamp body, the positioning device is used for positioning a folding mirror workpiece to be processed on the clamp unit, the clamping device is used for clamping the positioned folding mirror workpiece, and the floating support device can selectively provide floating support for a dipped beam mirror surface of the folding mirror workpiece.
Further, the positioning device comprises a positioning seat and a positioning pin, wherein the positioning seat is provided with mutually perpendicular positioning surfaces, and the positioning pin is arranged on the vertical positioning surfaces.
Further, the clamping device comprises a lever pressing plate, a pressing plate support and a clamping oil cylinder, the pressing plate support is fixedly arranged on the clamp body, a fulcrum of the lever pressing plate is pivotally connected to the pressing plate support, one end of the lever pressing plate is arranged relative to the positioned folding mirror workpiece, and the other end of the lever pressing plate is arranged relative to a piston rod of the clamping oil cylinder.
Further, when the piston rod of the clamping cylinder is extended, one end of the lever pressing plate abuts against the end of the positioned folding mirror workpiece.
Further, the floating support device comprises a support frame, a floating support head and a floating support driving mechanism, the support frame comprises a fixing part and a rotating part, the fixing part is fixedly arranged on the clamp body, the rotating part can be pivotally connected to the fixing part, the floating support head is arranged in a mounting hole on the rotating part in a floating mode, and the floating support driving mechanism is used for driving the floating support device to move between an unfolding state and a folding state.
Further, when the floating supporting device is in the unfolded state, the rotating part drives the floating supporting head to be far away from the folding mirror workpiece, and when the floating supporting device is in the folded state, the rotating part drives the floating supporting head to be abutted against the middle part of the dipped beam mirror surface of the folding mirror workpiece.
Further, the floating support driving mechanism comprises a driving oil cylinder and a rack stroke adjusting device, wherein the driving oil cylinder is used for driving the rack stroke adjusting device to drive a gear so that the rotating part rotates around the gear shaft.
Further, a hydraulic oil way connected with the clamp unit is arranged in the bridge plate, and the hydraulic oil way is connected with a hydraulic station through the first connecting plate and an interface at the rear end of the numerical control turntable.
Further, an air passage is formed in the bridge plate, the floating supporting device further comprises an air detection hole and an air pressure sensor, and the air detection hole is connected with a compressed air source through the air pressure sensor, the air passage, the second coupling plate and an interface at the rear end of the tailstock.
The invention also provides a method for machining the refraction mirror, which comprises the following steps:
step 1, providing a bending lens machining fixture; the bending mirror machining clamp comprises a bridge plate, a clamp unit, a first connecting plate and a second connecting plate, one end of the bridge plate is connected with the numerical control turntable through the first connecting plate, the other end of the bridge plate is connected with a tailstock through the second connecting plate, the clamp unit comprises a clamp body, a positioning device, a clamping device and a floating supporting device, and the clamp unit is fixed on the bridge plate through the clamp body;
step 2, loading a to-be-processed folding mirror workpiece into the positioning device of the clamp unit;
step 3, starting a numerical control program, and clamping the to-be-processed folding mirror workpiece by using the clamping device;
step 4, rotating the numerical control turntable to a dipped beam mirror surface processing angle, and rough and finish milling the dipped beam mirror surface;
step 5, rotating the numerical control turntable to a high beam mirror surface machining angle, lifting the floating supporting device to a folding state to support the low beam mirror surface machined in the step 4, and then rough and finish milling the high beam mirror surface;
and 6, rotating the numerical control turntable to the original position, flattening the floating supporting device to an unfolding state, loosening the processed folding mirror workpiece, and stopping the current numerical control program.
The invention has the advantages and beneficial effects that: the processing of two mirror surfaces is completed by one-time clamping of the to-be-processed folding mirror workpiece, the position accuracy of the workpiece is improved, and the quality of the mirror surfaces is kept unchanged; because two positioning is not needed, the requirements on the thickness and the parallelism of the blank piece are not required to be strict.
The conception, specific structure, and technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, features, and effects of the present invention.
Drawings
FIG. 1 is a schematic diagram of a preferred embodiment of the present invention;
FIG. 2 is a schematic view showing the structure of the clamp unit in an unfolded state according to a preferred embodiment of the present invention;
fig. 3 is a schematic view showing a structure in which a clamp unit according to a preferred embodiment of the present invention is in a folded state.
The device comprises a 1-bridge plate, a 2-clamp unit, a 3-left L-shaped connecting plate, a 4-numerical control turntable, a 5-hydraulic oil rotary joint, a 6-right L-shaped connecting plate, a 7-tailstock, an 8-compressed air rotary joint, a 9-clamp body, a 10-positioning seat, a 11-positioning pin, a 12-lever pressing plate, a 13-pressing plate bracket, a 14-clamping cylinder, a 15-folding mirror, a 16-supporting frame, a 17-floating supporting head and an 18-floating supporting driving mechanism.
Detailed Description
The following description of the preferred embodiments of the present invention refers to the accompanying drawings, which make the technical contents thereof more clear and easy to understand. The present invention may be embodied in many different forms of embodiments and the scope of the present invention is not limited to only the embodiments described herein.
In the drawings, like structural elements are referred to by like reference numerals and components having similar structure or function are referred to by like reference numerals. The dimensions and thickness of each component shown in the drawings are arbitrarily shown, and the present invention is not limited to the dimensions and thickness of each component. The thickness of the components is exaggerated in some places in the drawings for clarity of illustration.
Example 1
The present embodiment provides a bending mirror machining jig, which includes a bridge plate 1 and four identical jig units 2 located on the bridge plate 1, as shown in fig. 1. In other examples, other numbers (e.g., two, three, or more) of clamp units 2 may be used. The use of a plurality of jig units 2 is advantageous in improving the efficiency of machining. The bridge plate 1 is internally provided with a hydraulic oil path and a gas path which are respectively communicated with the hydraulic element and the air pressure sensor of each clamp unit 2. The bridge plate 1 is connected with the horizontal numerical control turntable 4 through the left L-shaped connecting plate 3. Meanwhile, a hydraulic oil rotary joint 5 is arranged at the rear end of the numerical control turntable 4, the fixed end of the numerical control turntable is communicated with an oil outlet of a hydraulic station, the rotary end of the numerical control turntable is communicated with an oil way of the left L-shaped connecting plate 3, and the oil way of the left L-shaped connecting plate 3 is communicated with the bridge plate 1. In this way, the system can control the action of the hydraulic components of the machining fixture through the hydraulic station. The right end of the bridge plate 1 is connected with a tailstock 7 through a right L-shaped connecting plate 6, and the rear end of the tailstock 7 is provided with a compressed air rotary joint 8, so that an external compressed air source can be introduced into the bridge plate 1 through the right L-shaped connecting plate 6 and connected with an air pressure sensor. Thus, the actions of the clamp are controlled by the equipment hydraulic station, and the state of the clamp can be changed by using an M instruction in a program in the machining process.
As shown in fig. 2 and 3, the clamp unit 2 includes a clamp body 9, a positioning seat 10, a positioning pin 11, two lever press plates 12 and a press plate bracket 13 thereof, two single-acting clamp cylinders 14, and a set of floating support devices. The positioning seat 10 is provided with mutually perpendicular positioning surfaces, the positioning pin 11 is arranged on the vertical positioning surfaces, the folding mirror 15 to be processed is positioned by one pin on two sides under the action of the positioning seat 10 and the positioning pin 11, and the two lever pressing plates 12 are used for pressing the folding mirror 15. Two single-acting clamping cylinders 14 press the folding mirror 15 by means of the lever press plate 12 under system command.
The floating support means comprises a support frame 16, a floating support head 17, a floating support drive mechanism 18 and an air detection device. The floating support driving mechanism 18 comprises a driving oil cylinder, a rack stroke adjusting device and a gear, wherein the rack stroke adjusting device is powered by the driving oil cylinder, and the driving oil cylinder is controlled by a system, so that the floating support driving mechanism 16 is unfolded and folded according to the requirement in the processing process by virtue of the driving of the gear and the rack mechanism, and further, the floating support driving mechanism can be controlled by an M instruction in a numerical control (Numerical Control, NC) program to realize automation. The air detection device consists of an air detection hole arranged on the floating support device and an air pressure sensor connected with the air detection hole and is used for detecting whether the floating support device is closely attached to the folding mirror 15.
The front side of the refraction mirror 15 is a low beam mirror and the back side is a high beam mirror. Fig. 2 shows the floating support 16 in an expanded state, while fig. 3 shows the floating support 16 in a collapsed state. The low beam mirror can be machined when the floating support 16 is in the extended state; when the floating support 16 is in the folded state, the floating support head 17 is brought into contact with the low beam mirror surface of the folding mirror 15, and the floating support is active, in which case the high beam mirror surface can be machined.
Example 2
The embodiment also provides a machining method of the refraction mirror, which mainly comprises the following steps:
(1) Four workpieces (to-be-processed folding mirrors) are arranged in the positioning seats of the respective clamp units, and are stuck with the positioning surfaces to clamp the positioning pins.
(2) And starting an NC program, lifting the lever pressing plates by the clamping oil cylinders, clamping the workpiece by each lever pressing plate, and starting the processing of the shape of the edge of the folding mirror.
(3) The numerical control turntable rotates to the processing angle of the dipped beam mirror surface, and rough and finish milling is performed on the dipped beam mirror surface.
(4) The numerical control turntable rotates to a high beam mirror surface machining angle, lifts up the floating supporting device (in a folding state) to support the low beam mirror surface machined in the step (3), and then rough and finish mills the high beam mirror surface.
(5) The numerical control turntable rotates to the original position, the floating supporting device is flattened to the original position (unfolded state), the workpiece is loosened, and the current NC program is stopped. The next cycle can be entered.
The foregoing describes in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the invention without requiring creative effort by one of ordinary skill in the art. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.
Claims (8)
1. The utility model provides a folding mirror machine tooling anchor clamps, its characterized in that includes bridge plate, anchor clamps unit, first link plate, second link plate, the one end of bridge plate is passed through first link plate is connected with the numerical control revolving stage, the other end of bridge plate is passed through the second link plate is connected with the tailstock, the anchor clamps unit includes anchor clamps body, positioner, clamping device and floating support device, the anchor clamps unit passes through the anchor clamps body is fixed on the bridge plate, positioner is used for the folding mirror work piece location of waiting to process on the anchor clamps unit, clamping device is used for pressing from both sides the folding mirror work piece clamp after the location, floating support device includes supporting frame, floating support head, floating support actuating mechanism, the supporting frame includes fixed part and rotary part, the fixed part is fixed to be set up on the anchor clamps body, the rotary part is pivotably connected on the fixed part, floating support head floats and sets up in the mounting hole on the rotary part, floating support actuating mechanism is used for driving floating support device moves between the state and folding state, when floating support device is used for holding in the folding state the folding mirror work piece, floating support head is located when the rotary support part is located the folding mirror work piece is kept away from the middle part.
2. The bending mirror machining fixture according to claim 1, wherein the positioning means comprises a positioning seat having mutually perpendicular positioning surfaces and a positioning pin disposed on the vertical positioning surfaces.
3. The bending machine tool clamp according to claim 1, wherein the clamping device comprises a lever pressing plate, a pressing plate support and a clamping cylinder, the pressing plate support is fixedly arranged on the clamp body, a fulcrum of the lever pressing plate is pivotally connected to the pressing plate support, one end of the lever pressing plate is arranged relative to the positioned bending machine workpiece, and the other end of the lever pressing plate is arranged relative to a piston rod of the clamping cylinder.
4. A refractor machining fixture according to claim 3, wherein one end of the lever pressing plate abuts against an end of the positioned refractor workpiece when the piston rod of the clamping cylinder is extended.
5. The bending machine tool according to claim 1, wherein the floating support driving mechanism comprises a driving cylinder and a rack stroke adjusting device, wherein the driving cylinder is used for driving the rack stroke adjusting device to drive the gear so that the rotating part rotates around the gear shaft.
6. The bending mirror machining fixture according to claim 1, wherein a hydraulic oil path connected with the fixture unit is arranged inside the bridge plate, and the hydraulic oil path is connected with a hydraulic station through an interface of the first connecting plate and the rear end of the numerical control turntable.
7. The bending mirror machining fixture according to claim 1, wherein an air passage is formed in the bridge plate, and the floating support device further comprises an air detection hole and an air pressure sensor, wherein the air detection hole is connected with a compressed air source through the air pressure sensor, the air passage, the second connecting plate and an interface at the rear end of the tailstock.
8. A method of machining a fold mirror comprising the steps of:
step 1, providing a bending lens machining fixture; the bending mirror machining clamp comprises a bridge plate, a clamp unit, a first connecting plate and a second connecting plate, one end of the bridge plate is connected with the numerical control turntable through the first connecting plate, the other end of the bridge plate is connected with a tailstock through the second connecting plate, the clamp unit comprises a clamp body, a positioning device, a clamping device and a floating supporting device, and the clamp unit is fixed on the bridge plate through the clamp body;
step 2, loading a to-be-processed folding mirror workpiece into the positioning device of the clamp unit;
step 3, starting a numerical control program, and clamping the to-be-processed folding mirror workpiece by using the clamping device;
step 4, rotating the numerical control turntable to a dipped beam mirror surface processing angle, and rough and finish milling the dipped beam mirror surface;
step 5, rotating the numerical control turntable to a high beam mirror surface machining angle, lifting the floating supporting device to a folding state to support the low beam mirror surface machined in the step 4, and then rough and finish milling the high beam mirror surface;
and 6, rotating the numerical control turntable to the original position, flattening the floating supporting device to an unfolding state, loosening the processed folding mirror workpiece, and stopping the current numerical control program.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210296729.2A CN114536064B (en) | 2022-03-24 | 2022-03-24 | Clamp and method for machining refraction lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210296729.2A CN114536064B (en) | 2022-03-24 | 2022-03-24 | Clamp and method for machining refraction lens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114536064A CN114536064A (en) | 2022-05-27 |
| CN114536064B true CN114536064B (en) | 2023-10-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210296729.2A Active CN114536064B (en) | 2022-03-24 | 2022-03-24 | Clamp and method for machining refraction lens |
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| Country | Link |
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| CN (1) | CN114536064B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202985130U (en) * | 2012-11-07 | 2013-06-12 | 苏州众捷汽车零部件有限公司 | Clamp |
| JP2013184261A (en) * | 2012-03-08 | 2013-09-19 | Seiko Instruments Inc | Tool for machining workpiece, device for automatically machining workpiece, method for machining workpiece, program for machining workpiece, and recording medium |
| CN105252315A (en) * | 2015-11-30 | 2016-01-20 | 苏州众捷汽车零部件有限公司 | Clamping tool |
| FR3038537A1 (en) * | 2015-07-10 | 2017-01-13 | Palumbo Ind | MILLING METAL PIECE SUPPORT |
| CN206382909U (en) * | 2017-01-10 | 2017-08-08 | 上海大侨誉远精密机械有限公司 | A kind of hydraulically operated fixture of Escalator broach installing plate finishing |
| CN206855071U (en) * | 2017-05-07 | 2018-01-09 | 宁波金达汽车部件有限公司 | A kind of hydraulic clamp for being used to process the vacuum valve pump housing |
| KR20180078554A (en) * | 2016-12-30 | 2018-07-10 | 주식회사 울트라 | Clamping apparatus of multi-axis drilling machine |
| CN212071281U (en) * | 2020-04-09 | 2020-12-04 | 茵伯特(上海)医疗技术有限公司 | False tooth grinding and cutting machine |
-
2022
- 2022-03-24 CN CN202210296729.2A patent/CN114536064B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013184261A (en) * | 2012-03-08 | 2013-09-19 | Seiko Instruments Inc | Tool for machining workpiece, device for automatically machining workpiece, method for machining workpiece, program for machining workpiece, and recording medium |
| CN202985130U (en) * | 2012-11-07 | 2013-06-12 | 苏州众捷汽车零部件有限公司 | Clamp |
| FR3038537A1 (en) * | 2015-07-10 | 2017-01-13 | Palumbo Ind | MILLING METAL PIECE SUPPORT |
| CN105252315A (en) * | 2015-11-30 | 2016-01-20 | 苏州众捷汽车零部件有限公司 | Clamping tool |
| KR20180078554A (en) * | 2016-12-30 | 2018-07-10 | 주식회사 울트라 | Clamping apparatus of multi-axis drilling machine |
| CN206382909U (en) * | 2017-01-10 | 2017-08-08 | 上海大侨誉远精密机械有限公司 | A kind of hydraulically operated fixture of Escalator broach installing plate finishing |
| CN206855071U (en) * | 2017-05-07 | 2018-01-09 | 宁波金达汽车部件有限公司 | A kind of hydraulic clamp for being used to process the vacuum valve pump housing |
| CN212071281U (en) * | 2020-04-09 | 2020-12-04 | 茵伯特(上海)医疗技术有限公司 | False tooth grinding and cutting machine |
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| Publication number | Publication date |
|---|---|
| CN114536064A (en) | 2022-05-27 |
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