CN114536064A - Refraction mirror machining clamp and dioptric mirror machining method - Google Patents
Refraction mirror machining clamp and dioptric mirror machining method Download PDFInfo
- Publication number
- CN114536064A CN114536064A CN202210296729.2A CN202210296729A CN114536064A CN 114536064 A CN114536064 A CN 114536064A CN 202210296729 A CN202210296729 A CN 202210296729A CN 114536064 A CN114536064 A CN 114536064A
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- mirror
- dioptric
- clamp
- machining
- plate
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- 238000003754 machining Methods 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims description 10
- 239000010720 hydraulic oil Substances 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 8
- 238000003801 milling Methods 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 239000003921 oil Substances 0.000 description 10
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 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
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
- Machine Tool Units (AREA)
Abstract
The invention discloses a dioptric mirror machining clamp and a dioptric mirror machining method, the dioptric 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 dioptric mirror workpiece to be machined on the clamp unit, the clamping device is used for clamping the positioned dioptric mirror workpiece, and the floating supporting device selectively provides floating support for a dipped beam mirror surface of the dioptric mirror workpiece. The invention can realize the processing of the near-beam mirror surface and the far-beam mirror surface of the refractor in one-time 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 dioptric mirror machining clamp and a dioptric mirror machining method.
Background
The refractor is used for reflecting light emitted by a light-emitting diode (LED) light source to a set direction. When the LED street lamp works, the upper part and the lower part are respectively provided with a group of LED light sources, one group is used as a near light, and the other group is used as a far light. The refractor has high processing precision of the mirror surface itself, and also has high position precision relative to the reference surface.
The core of the mirror surface processing is to ensure the position precision, but because the supporting conditions required by the processing of the near-beam mirror surface and the far-beam mirror surface are different, the near-beam mirror surface is used as the support when the far-beam mirror surface is milled, otherwise, the mirror surface quality is difficult to ensure due to insufficient strength of a workpiece, and the traditional process can be finished by clamping at least twice. The method has strict requirements on the precision of the clamp and the precision of the workpiece blank.
Accordingly, those skilled in the art have endeavored to develop a dioptric mirror machining jig and a machining method thereof to overcome the above-mentioned problems.
Disclosure of Invention
In view of the above-mentioned defects of the prior art, the technical problem to be solved by the present invention is how to provide a fixture for machining a refractor and a machining method thereof, wherein a foldable floating support is adopted, the support state of the fixture can be changed during machining, and machining of a low beam mirror surface and a high beam mirror surface can be satisfied in one clamping, so that the position precision and the mirror surface machining precision can be ensured.
In order to achieve the purpose, the invention provides a dioptric mirror machining clamp which comprises 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 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 dioptric mirror workpiece to be machined on the clamp unit, the clamping device is used for clamping the positioned dioptric mirror workpiece, and the floating supporting device can selectively provide floating support for a dipped beam mirror surface of the dioptric mirror workpiece.
Furthermore, the positioning device comprises a positioning seat and a positioning pin, the positioning seat is provided with mutually vertical positioning surfaces, and the positioning pin is arranged on the vertical positioning surface.
Furthermore, 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 opposite to the refractor workpiece after being positioned, and the other end of the lever pressing plate is arranged opposite to a piston rod of the clamping oil cylinder.
Further, when a piston rod of the clamping oil cylinder extends, one end of the lever pressing plate abuts against the end of the positioned refractor workpiece.
Further, the supporting device that floats includes the support frame, floats the supporting head, floats supporting actuating mechanism, the support frame includes fixed part and rotating part, the fixed part is fixed to be set up on the anchor clamps body, but rotating part pivotal connection is in on the fixed part, but the floating head that floats sets up in the mounting hole on the rotating part, it is used for the drive to float supporting device and move between expansion state and fold condition.
Further, when the floating supporting device is in an unfolded state, the rotating part drives the floating supporting head to be away from the refractor workpiece, and when the floating supporting device is in a folded state, the rotating part drives the floating supporting head to abut against the middle of a low beam mirror surface of the refractor 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 the gear, so that the rotating part rotates around the gear shaft.
Furthermore, a hydraulic oil path connected with the clamp unit is arranged inside the bridge plate, and the hydraulic oil path is connected with a hydraulic station through the first connecting plate and a connector at the rear end of the numerical control rotary table.
Furthermore, an air path is arranged inside 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 path, the second connection plate and a connector at the rear end of the tailstock.
The invention also provides a dioptric mirror machining method, which comprises the following steps:
step 1, providing a dioptric mirror machining clamp; the dioptric 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, and the clamp unit is fixed on the bridge plate through the clamp body;
step 2, loading a workpiece of the refractor to be processed into the positioning device of the clamp unit;
step 5, rotating the numerical control turntable to a high beam mirror surface processing angle, lifting the floating supporting device to a folded state to support the low beam mirror surface processed in the step 4, and then roughly and finely milling the high beam mirror surface;
and 6, rotating the numerical control turntable to the original position, flattening the floating supporting device to an unfolded state, loosening the processed refractor workpiece, and stopping the current numerical control program.
The invention has the advantages and beneficial effects that: the processing of two mirror surfaces is finished by clamping a workpiece of the refractor to be processed at one time, the position precision of the workpiece is improved, and the quality of the mirror surface is kept unchanged; because the positioning is not needed twice, the requirement of tightening on the thickness and the parallelism of the blank piece is not needed.
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, the features and the effects of the present invention.
Drawings
FIG. 1 is a schematic structural diagram of a preferred embodiment of the present invention;
FIG. 2 is a schematic structural view of a gripper unit according to a preferred embodiment of the present invention in an expanded state;
fig. 3 is a structural view showing the clip unit in a folded state according to a preferred embodiment of the present invention.
The device comprises a bridge plate 1, a clamp unit 2, a left L-shaped connecting plate 3, a numerical control rotary table 4, a hydraulic oil rotary joint 5, a right L-shaped connecting plate 6, a tailstock 7, a compressed air rotary joint 8, a clamp body 9, a positioning seat 10, a positioning pin 11, a lever pressing plate 12, a pressing plate support 13, a clamping oil cylinder 14, a refractor 15, a support frame 16, a floating support head 17 and a floating support driving mechanism 18.
Detailed Description
The technical contents of the preferred embodiments of the present invention will be more clearly and easily understood by referring to the drawings attached to the specification. The present invention may be embodied in many different forms of embodiments and the scope of the invention is not limited to the embodiments set forth herein.
In the drawings, structurally identical elements are represented by like reference numerals, and structurally or functionally similar elements are represented by like reference numerals throughout the several views. The size and thickness of each component shown in the drawings are arbitrarily illustrated, and the present invention is not limited to the size and thickness of each component. The thickness of the components may be exaggerated where appropriate in the figures to improve clarity.
Example 1
The present embodiment provides a dioptric mirror machining jig, which includes a bridge plate 1 and four identical jig units 2 on the bridge plate 1, as shown in fig. 1. In other examples, other numbers (e.g., two, three, or more) of gripper units 2 may be used. The use of a plurality of gripper units 2 contributes to an increase in the efficiency of machining. And a hydraulic oil path and an air path are arranged in the bridge plate 1 and are respectively communicated with the hydraulic element and the air pressure sensor of each clamp unit 2. The bridge plate 1 is connected with a horizontal numerical control rotary table 4 through a left L-shaped connecting plate 3. Meanwhile, the rear end of the numerical control rotary table 4 is provided with a hydraulic oil rotary joint 5, the fixed end of the hydraulic oil rotary joint is communicated with an oil outlet of a hydraulic station, the rotating end of the hydraulic oil rotary joint 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 via 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 similarly, 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 is connected with an air pressure sensor. In this way, the actions of the clamp are controlled by the hydraulic station of the equipment, and the state of the clamp can be changed by using an M command in a program in the machining process.
As shown in fig. 2 and 3, the clamping unit 2 includes a clamping body 9, a positioning seat 10, a positioning pin 11, two lever pressing plates 12 and their pressing plate brackets 13, two single-acting clamping cylinders 14, and a set of floating support devices. The positioning seat 10 has mutually perpendicular positioning surfaces, the positioning pin 11 is arranged on the vertical positioning surface, the refractor 15 to be processed realizes two-surface one-pin positioning 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 refractor 15. Two single-acting clamping cylinders 14 press the refractor 15 under system command via the lever press plate 12.
The floating support device comprises a support frame 16, a floating support head 17, a floating support driving mechanism 18 and a gas detection device. The floating support driving mechanism 18 includes a driving cylinder, a rack stroke adjusting device, and a gear, the rack stroke adjusting device is powered by the driving cylinder, and the driving cylinder is controlled by the system, so that the floating support device 16 is unfolded and folded as required during the processing process by means of the gear and rack mechanism, and further, the floating support driving mechanism can be controlled by an M instruction in a Numerical Control (NC) program to realize automation. The gas detection device consists of a gas detection hole arranged on the floating support device and a gas pressure sensor connected with the gas detection hole and is used for detecting whether the floating support device is tightly attached to the refractor 15 or not.
The front surface of the dioptric lens 15 is a low beam surface, and the rear surface thereof is a high beam surface. Fig. 2 shows the floating support 16 in an expanded state, while fig. 3 shows the floating support 16 in a collapsed state. When the floating support device 16 is in the deployed state, the low beam mirror surface can be machined; when the floating mount 16 is in the folded state, the floating mount head 17 abuts against the low beam surface of the dioptric mirror 15, and the floating mount functions, in which case the high beam surface can be machined.
Example 2
The embodiment also provides a machining method of the refractor, which mainly comprises the following steps:
(1) four workpieces (refractors to be processed) are arranged in positioning seats of respective clamp units, and are adhered to the positioning surfaces to clamp the positioning pins.
(2) And starting an NC program, lifting the lever pressing plates by the clamping oil cylinder, clamping the workpiece by each lever pressing plate, and starting the processing of the edge shape of the refractor.
(3) And rotating the numerical control turntable to the processing angle of the near beam mirror surface, and roughly and finely milling the near beam mirror surface.
(4) And (3) rotating the numerical control turntable to the machining angle of the high beam mirror surface, lifting the floating supporting device (folded state) to support the low beam mirror surface machined in the step (3), and then roughly and finely milling the high beam mirror surface.
(5) And (4) rotating the numerical control turntable to the original position, flattening the floating supporting device to the original position (unfolding state), loosening the workpiece, and stopping the current NC program. The next cycle can be entered.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. The utility model provides a dioptric mirror machine tooling anchor clamps, its characterized in that includes bridge plate, anchor clamps unit, first connecting plate, second connecting plate, the one end of bridge plate is passed through first connecting plate is connected with the numerical control revolving stage, the other end of bridge plate passes through the second connecting 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 fixing the dioptric mirror work piece of treating processing on the anchor clamps unit, clamping device is used for pressing from both sides the dioptric mirror work piece after the location tight, floating support device optionally provides floating support for the low beam mirror surface of dioptric mirror work piece.
2. The fixture for machining a dioptric mirror of claim 1 wherein said positioning means includes a positioning base and a positioning pin, said positioning base having mutually perpendicular positioning faces, said positioning pin being disposed on the perpendicular positioning faces.
3. The clamp for machining a dioptric mirror of claim 1, wherein the clamping device comprises a lever pressing plate, a pressing plate bracket and a clamping cylinder, the pressing plate bracket is fixedly arranged on the clamp body, a fulcrum of the lever pressing plate is pivotally connected to the pressing plate bracket, one end of the lever pressing plate is arranged opposite to the positioned dioptric mirror workpiece, and the other end of the lever pressing plate is arranged opposite to a piston rod of the clamping cylinder.
4. The clamp for machining a dioptric mirror according to claim 3, wherein when the piston rod of the clamping cylinder is extended, one end of the lever pressing plate abuts against the end of the positioned dioptric mirror workpiece.
5. The fixture for machining a dioptric mirror of claim 1, wherein the floating support means includes a support frame, a floating support head, and a floating support driving mechanism, wherein the support frame includes a fixed portion fixedly provided on the fixture body and a rotating portion pivotally connected to the fixed portion, the floating support head is floatingly provided in a mounting hole provided on the rotating portion, and the floating support driving mechanism is configured to drive the floating support means between an unfolded state and a folded state.
6. The fixture for machining a dioptric mirror of claim 5, wherein the rotating portion drives the floating head away from the workpiece of a dioptric mirror when the floating support means is in the unfolded state, and the rotating portion drives the floating head against a middle portion of a low beam surface of the workpiece of a dioptric mirror when the floating support means is in the folded state.
7. The fixture for machining a dioptric mirror of claim 5, wherein the floating support driving mechanism includes a driving cylinder for driving the rack stroke adjusting means to drive the gear to rotate the rotary portion about the gear shaft, and a rack stroke adjusting means.
8. The clamp for machining a dioptric mirror according to claim 1, wherein a hydraulic oil path connected to the clamp unit is provided inside the bridge plate, and the hydraulic oil path is connected to a hydraulic station through the first coupling plate and an interface at the rear end of the numerical control turntable.
9. The fixture for machining a dioptric mirror of claim 5, wherein an air passage is provided inside the bridge plate, and the floating support 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 a connector at the rear end of the tailstock.
10. A dioptric mirror machining method is characterized by comprising the following steps:
step 1, providing a dioptric mirror machining clamp; the dioptric 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, and the clamp unit is fixed on the bridge plate through the clamp body;
step 2, loading a workpiece of the refractor to be processed into the positioning device of the clamp unit;
step 3, starting a numerical control program, and clamping the workpiece of the refractor to be processed by using the clamping device;
step 4, rotating the numerical control turntable to a near beam mirror surface machining angle, and roughly and finely milling the near beam mirror surface;
step 5, rotating the numerical control turntable to a high beam mirror surface processing angle, lifting the floating supporting device to a folded state to support the low beam mirror surface processed in the step 4, and then roughly and finely milling the high beam mirror surface;
and 6, rotating the numerical control turntable to the original position, flattening the floating supporting device to an unfolded state, loosening the processed refractor 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 true CN114536064A (en) | 2022-05-27 |
| CN114536064B CN114536064B (en) | 2023-10-24 |
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| 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 |
|---|---|
| CN114536064B (en) | 2023-10-24 |
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