CN115972067A - Device and method for polishing side surface of large-size space angle window glass - Google Patents
Device and method for polishing side surface of large-size space angle window glass Download PDFInfo
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- 239000005357 flat glass Substances 0.000 title claims abstract description 254
- 238000005498 polishing Methods 0.000 title claims abstract description 201
- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 229
- 238000012937 correction Methods 0.000 claims abstract description 16
- 238000007517 polishing process Methods 0.000 claims description 10
- 239000002131 composite material Substances 0.000 claims description 3
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- 238000012545 processing Methods 0.000 abstract description 7
- 230000003287 optical effect Effects 0.000 abstract description 4
- 229910052594 sapphire Inorganic materials 0.000 description 8
- 239000010980 sapphire Substances 0.000 description 8
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
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- 230000005484 gravity Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
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- 239000007779 soft material Substances 0.000 description 1
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Abstract
The invention belongs to the field of precision processing of optical window glass, and particularly discloses a device and a method for polishing the side surface of large-size space angle window glass, which are used for polishing the space angle side surface of large-size special-shaped window glass. According to the device, window glass is fixed on a window glass supporting mechanism, a window glass side face verticality correcting mechanism and a window glass horizontal rotating mechanism are adopted to correct the side face spatial angle of the window glass and adjust the window glass to be perpendicular to an automatic polishing mechanism, and through rotation and reciprocating motion of polishing felts on the automatic polishing mechanism, the felts remove high-precision allowance on the side face of the special-shaped window glass, so that the window glass is polished. The invention has the characteristics of simple structure, simple and convenient polishing method, high polishing efficiency, uniform polishing speed, uniform removal amount, strong adaptability, rapid sag correction of spatial angle and the like.
Description
Technical Field
The invention belongs to the technical field of precision processing of optical window glass, and relates to a device and a method for polishing the side surface of large-size space angle window glass, which are used for polishing the space angle side surface of large-size special-shaped window glass.
Background
With the development of the photoelectric products in the direction of high-speed long-distance detection, the window assembly plays an increasingly important role in the internal airtight protection and the electromagnetic protection of the photoelectric products. In order to enable the photoelectric product to have continuous observation angles as many as possible, the window assembly has a window glass combination form with large size, different space and complex angle. The window glass is completely attached to the side face of the mirror frame, so that the airtightness and good conductivity inside the window assembly can be guaranteed, however, the polishing quality directly affects the quality of the whole piece of window glass due to the penultimate procedure of optical cold processing, and the airtightness and conductivity of the whole window assembly are damaged, so that the photoelectric product detector works abnormally. The window glass has the characteristics of soft material, large shape difference, large size span, complex space angle, small polishing removal amount (generally 0.01-0.02 mm) and the like, so that the following problems exist when the conventional felt disc is used for manually polishing the side surface: (1) the existing side polishing is a pure manual mode, and because the surface of the window glass to be polished forms an included angle of 15 degrees with the horizontal plane, an operator is difficult to keep the window glass at the specific angle for a long time, so that the deviation of the space angle of the window glass is damaged during polishing, and the problem of processing quality is caused; (2) the window part is large in size and high in gravity center, and due to the lubricating effect of the polishing solution, an operator is easy to slip window glass, and the window glass is easy to collide and fall during polishing, so that the loss of the cold processing value in the early stage is caused; (3) the manual operation of the felt disc can not ensure the straightness of side polishing when the felt disc is rotated, so that the polishing is uneven, the cold processing quality of the optical part is reduced, and the consistency is poor; (4) the surface of the window glass is easily scratched during manual operation and polishing, so that secondary out-of-tolerance risk is caused; (5) the manual polishing has high requirements on the experience of operators, consumes a large amount of manpower, and has low polishing efficiency.
Therefore, a new method and a new device are needed to be found, which can improve the polishing quality of the side surface of the window glass at the space angle, improve the polishing consistency, avoid the safety problem and the secondary out-of-tolerance risk in the manual operation process and improve the polishing efficiency of the side surface of the window glass.
The patent of the invention ' application No. CN109894950A ' on-line monitoring device and method for an infrared window part polishing process ' in China discloses a part polishing device comprising a flat die, a joint, a double-auto-collimation telescope and an adjustable test platform, and can realize correction and polishing of the parallelism difference of infrared window glass, but the method can only polish the light-passing surface of the window glass, and cannot polish and angle adjust the side surface of special-shaped window glass. The patent of application number CN110434681A double-sided high-precision polishing method of a large-caliber sapphire window element discloses a method for double-sided high-precision polishing of the large-caliber sapphire window element by adopting a single-shaft polishing machine, and in the field of processing of large-caliber sapphire, the double-sided reflection surface shape is superior to 1/3 lambda, but the method can only realize polishing of a light passing surface of window glass, and cannot be implemented in the patent for multi-angle side polishing. The patent 'application number CN110977629A sapphire window sheet and polishing process thereof' discloses a sapphire window sheet high-speed polishing method, which improves the polishing rate and simultaneously ensures the precision requirement of polishing roughness by soaking the sapphire subjected to fine grinding treatment and adopting ultrasonic-assisted polishing in a double-sided polishing machine, but the method cannot realize the multi-angle polishing of the side surface space different surfaces of window glass. The patent discloses a wax-free polishing jig for a large-size sapphire window sheet, solves the problem of unbalanced removal rate of each point of window glass caused by linear velocity difference in the polishing process, avoids the phenomenon of 'edge collapse' of a sapphire window, and cannot realize side polishing of the window glass with a spatial angle.
Disclosure of Invention
Object of the invention
The purpose of the invention is: the device and the method for polishing the side surface of the large-size space angle window glass have the characteristics of window glass side surface verticality correction, straightness alignment, high polishing precision, uniform polishing speed, uniform removal amount and the like.
(II) technical scheme
In order to solve the above technical problem, the present invention provides an apparatus for polishing a side surface of a large-size spatial angle window glass, comprising: the device comprises a window glass side face verticality correcting mechanism 1, a window glass horizontal rotating mechanism 2, a window glass supporting mechanism 3, an automatic polishing mechanism 4, a reciprocating mechanism 5, a polishing pressure control mechanism 7 and a polishing felt 8; the window glass supporting mechanism 3 is fixed on the window glass horizontal rotating mechanism 2, the window glass horizontal rotating mechanism 2 is fixed on the window glass side verticality correcting mechanism 1, and the window glass to be polished is installed on the window glass supporting mechanism 3; the polishing pressure control mechanism 7 is arranged on the side surface of the window glass side surface verticality correction mechanism 1, the reciprocating mechanism 5 is installed on the polishing pressure control mechanism 7, the automatic polishing mechanism 4 is installed on the reciprocating mechanism 5, and the polishing felt 8 is arranged on the automatic polishing mechanism 4; the window glass side face verticality correcting mechanism 1 is used for adjusting a face of the window glass to be polished to be plumbed with the ground, and the window glass horizontal rotating mechanism 2 is used for adjusting the face of the window glass to be polished on each side face to be polished to be perpendicular to the automatic polishing mechanism 4 in a rotating mode; the polishing pressure control mechanism 7 moves back and forth relative to the window glass to be polished, the reciprocating mechanism 5 drives the automatic polishing mechanism 4 to move left and right relative to the surface to be polished of the window glass to be polished, and the polishing felt 8 polishes the surface to be polished on each side surface of the window glass.
The polishing apparatus further comprises: the tool setting measuring mechanism 6 is connected to the automatic polishing mechanism 4 and comprises a high-precision digital display dial gauge and a side-hang calibration plate, the tool setting measuring mechanism 6 is provided with a dovetail structure capable of being assembled and disassembled quickly, installation consistency of the tool setting measuring mechanism 6 is guaranteed, the tool setting measuring mechanism 6 is used for measuring straightness of the side face of the window glass, and allowance removal is guaranteed to be uniform when the side face of the window glass is polished; and the control system 9 is used for controlling the motion parameters (including rotation, side sag, reciprocating motion and the like) of each mechanism, realizing the side sag adjustment, the pressure control adjustment, the reciprocating motion control and the polishing speed adjustment of the window glass, and ensuring the quality, consistency and uniformity of the polishing of the side surface of the window glass.
The window glass side face verticality correcting mechanism 1 is used for adjusting a window glass surface to be polished to be plumbed with the ground, and can be locked in a vertical state to ensure that the window glass side face surface to be polished is always in a side verticality state; the window glass horizontal rotating mechanism 2 is fixedly connected with the window glass side face verticality correcting mechanism 1 and is used for adjusting the surface to be polished of each side face of the window glass to be perpendicular to the automatic polishing mechanism 4 in a rotating mode, the window glass can be polished on the device through horizontal rotation, and the window glass can be locked after the rotating angle is in place; the window glass supporting mechanism 3 is fixedly connected with the window glass horizontal rotating mechanism 2 and used for fixing window glass, and the window glass supporting mechanism 3 is provided with a quick positioning and replacing interface with the window glass, so that different window glasses can be quickly positioned and installed; the automatic polishing mechanism 4 is fixedly connected to the reciprocating mechanism 5, comprises a polishing felt 8 and is used for quickly rotating the polishing felt 8 to polish the side surface of the window glass; the reciprocating mechanism 5 is fixedly connected to the polishing pressure control mechanism 7 and is used for polishing the side edge of the large-size window glass, so that the reciprocating speed is consistent when the side surface is polished, and the quality and consistency of the polishing of the side surface of the window glass are further ensured; the polishing pressure control mechanism 7 is used for moving the automatic polishing mechanism 4 to adapt to different distances between the side surfaces of the window glass, the position can be adjusted according to the distance between the center of the window glass and the polishing surface of the side surface, and the polishing pressure can be controlled after the window glass is attached; the polishing felt 8 is connected to the automatic polishing structure 4 and used for uniformly removing the side face of the window glass; the control system 9 integrates control systems such as the window glass side face verticality correcting mechanism 1, the window glass horizontal rotating mechanism 2, the reciprocating mechanism 5, the automatic polishing mechanism 4 and the polishing pressure control mechanism 7 and is used for controlling the motion parameters of the mechanisms, realizing window glass side verticality adjustment, pressure control adjustment, reciprocating motion control and polishing speed adjustment, and ensuring the quality, consistency and uniformity of window glass side face polishing.
The precision of the resolution of the rotation angle of the window glass side surface verticality correction mechanism 1 is better than 1'.
The minimum angular resolution of the window glass horizontal rotation mechanism 2 is better than 2 ".
The height of the window glass supporting mechanism 3 is suitable for window glass with different thicknesses, and the side face of the window glass can be adjusted to be consistent with the height of the automatic polishing mechanism 4.
The rotating speed range of the automatic polishing mechanism 4 is 50r/min-1500r/min.
5 straightness accuracy of reciprocating motion mechanism is 7um, and repeatability is superior to 3um.
The minimum resolution of the polishing pressure control mechanism 7 is superior to 2.5um, and the requirement of polishing precision of 0.01mm can be met.
And the polishing felt 8 is connected to the automatic polishing mechanism 4 and is used for polishing the side surface of the window glass, so that the uniform and consistent polishing removal amount is ensured.
The invention also provides a method for polishing the side surface of the window glass with the large-size space angle, and the processing method adopts a tool setting measuring mechanism to measure the straightness of the side surface of the window glass and realizes the adjustment of the high straightness of the side surface of the window glass through the high-precision rotation of the horizontal rotating mechanism.
Wherein, the polishing processing method comprises the following steps:
the first step is as follows: window glass mounting
The window glass is installed on the window glass supporting mechanism 3 through the quick-change mechanism, the height of the center of the side face is adjusted to be consistent with that of the tool setting measuring mechanism 76, and the window glass is fixed reliably.
The second step is that: window glass side sag adjustment
The window glass side face verticality calibrating mechanism 1 is rotated by a certain angle through the control system 9, the angle is equal to the spatial dihedral angle value of the to-be-polished face of the window glass side face, the side verticality calibrating plate is replaced for the tool setting measuring mechanism 6, as shown in fig. 2, the window glass side face verticality calibrating mechanism 1 is finely adjusted, the to-be-polished face of the window glass side face is guaranteed to be attached to the side verticality calibrating plate, the to-be-polished face is perpendicular to the ground, the window glass side verticality calibrating mechanism 1 is locked, and the side verticality calibrating plate on the tool setting measuring mechanism 6 is detached.
The third step: window glass linearity adjustment
The control system 9 controls the window glass horizontal rotating mechanism 2 to rotate the surface to be polished of the window glass to be perpendicular to the tool setting measuring mechanism 6 visually, the polishing pressure control mechanism 7 is controlled to move back and forth at the moment, as shown in fig. 3, the dial indicator of the tool setting measuring mechanism 6 is in contact with the surface to be polished of the side surface of the window glass, the reciprocating mechanism 5 is controlled to move left and right to measure the straightness of the surface to be polished, the window glass horizontal rotating mechanism 2 is controlled in a fine adjustment mode to ensure that the straightness of the surface to be polished is within 0.01mm, the window glass horizontal rotating mechanism 2 is locked at the moment, and the high-precision digital display dial indicator on the tool setting measuring mechanism 7 is detached.
The fourth step: window glass polishing
The control system 9 controls the polishing pressure control mechanism 7 to move back and forth, so that the polishing felt 8 on the automatic polishing mechanism 6 is in contact with a surface to be polished on the side surface of the window glass, the polishing pressure control mechanism 7 is continuously moved at the moment, the compression amount is ensured to be 0.5mm, the polishing pressure control mechanism 7 is locked at the moment, the automatic polishing mechanism 6 is started, and the felt is rapidly rotated. And controlling the reciprocating mechanism 5 to accelerate from 0 to a constant speed without contacting with the window glass, and contacting with the window glass after the linear motion speed is constant, so that the polishing process is superposed into a composite motion process of rotation and straight movement, and the polishing of the spatial angle side surface of the window glass is completed.
(III) advantageous effects
The device and the method for polishing the side surface of the window glass with the large spatial angle provided by the technical scheme have the following beneficial effects.
(1) The polishing efficiency and the polishing precision can be improved, and the problem of high safety risk of window glass in the manual polishing process is solved.
(2) The side surface verticality correction and the horizontal rotating mechanism are adopted, the large-size space angle is decomposed, the surface to be polished is ensured to be in a vertical state, and polishing is facilitated.
(3) The parallelism of the surface to be polished of the window glass and the automatic polishing mechanism is ensured through the tool setting measuring mechanism, the uniform stress of the surface to be polished in the whole polishing process is ensured, and the removal amount is consistent.
(4) The polishing process optimizes the manual serial sequential polishing operation into compound motion, namely rotation and straight movement, so that the efficiency of the polishing process is improved.
(5) The polishing device has the characteristics of simple structure, simple and convenient polishing method, high space sag correction speed, strong adaptability and the like.
Drawings
FIG. 1 is a schematic view of a polishing apparatus for a side surface of a large-sized spatial angle window glass;
the device comprises a window glass side face verticality correcting mechanism 1, a window glass horizontal rotating mechanism 2, a window glass supporting mechanism 3, an automatic polishing mechanism 4, a reciprocating motion mechanism 5, a tool setting measuring mechanism 6, a polishing pressure control mechanism 7, a polishing felt 8 and a control system 9.
FIG. 2 is a schematic view of adjustment of the droop panel;
fig. 3 is a schematic view of linearity adjustment.
Detailed Description
In order to make the objects, contents and advantages of the present invention clearer, the following detailed description of the embodiments of the present invention will be made in conjunction with the accompanying drawings and examples.
In order to realize high-quality, high-consistency and high-efficiency polishing of the side surface space angle of the large-diameter window glass, the embodiment provides the device and the method for polishing the side surface of the large-size window glass with the space angle.
Referring to fig. 1, the apparatus for polishing the side of a large-size spatial angle window glass of the present embodiment comprises: the device comprises a window glass side face verticality calibrating mechanism 1, a window glass horizontal rotating mechanism 2, a window glass supporting mechanism 3, an automatic polishing mechanism 4, a reciprocating mechanism 5, a tool setting measuring mechanism 6, a polishing pressure control mechanism 7, a polishing felt 8 and a control system 9.
The window glass side face verticality correcting mechanism 1 is used for adjusting a to-be-polished face of window glass to be plumbed with the ground, and can be locked in a plumb state to ensure that the to-be-polished face of the side face of the window glass is always in a side verticality state; the window glass horizontal rotating mechanism 2 is fixedly connected with the window glass side face verticality correcting mechanism 1 and is used for adjusting the surface to be polished of each side face of the window glass to be perpendicular to the automatic polishing mechanism 4 in a rotating mode, the window glass can be polished on the device through horizontal rotation, and the window glass can be locked after the rotating angle is in place; the window glass supporting mechanism 3 is fixedly connected with the window glass horizontal rotating mechanism 2 and used for fixing window glass, and the window glass supporting mechanism 3 is provided with a quick positioning and replacing interface with the window glass, so that different window glasses can be quickly positioned and installed; the automatic polishing mechanism 4 is fixedly connected to the reciprocating mechanism 5, comprises a polishing felt 8 and is used for quickly rotating the polishing felt 8 to polish the side surface of the window glass; the reciprocating mechanism 5 is fixedly connected to the polishing pressure control mechanism 7 and is used for polishing the side edge of the large-size window glass, so that the reciprocating speed is consistent when the side surface is polished, and the quality and consistency of the polishing of the side surface of the window glass are further ensured; the tool setting measuring mechanism 6 is connected to the automatic polishing mechanism 4 and comprises a high-precision digital display dial gauge and a side-hang calibration plate, the tool setting measuring mechanism is provided with a dovetail structure capable of being assembled and disassembled quickly, installation consistency of the tool setting measuring mechanism is guaranteed, the tool setting measuring mechanism 6 is used for measuring straightness of the side face of the window glass, and the fact that allowance removal is uniform during polishing of the side face of the window glass is guaranteed; the polishing pressure control mechanism 7 is used for moving the automatic polishing mechanism 4 to adapt to different distances between the side surfaces of the window glass, the position can be adjusted according to the distance between the center of the window glass and the polishing surface of the side surface, and the polishing pressure can be controlled after the window glass is attached; the polishing felt 8 is connected to the automatic polishing structure 4 and used for uniformly removing the side face of the window glass; the control system 9 integrates the control systems of the window glass side correcting and verticality mechanism 1, the window glass horizontal rotating mechanism 2, the reciprocating mechanism 5, the automatic polishing mechanism 4, the polishing pressure control mechanism 7 and the like, and is used for controlling the motion parameters of the mechanisms, realizing the window glass side verticality adjustment, the pressure control adjustment, the reciprocating motion control and the polishing speed adjustment, and ensuring the quality, the consistency and the uniformity of the window glass side polishing.
The precision of the resolution of the rotation angle of the window glass side surface verticality correction mechanism 1 is better than 1'.
The minimum angular resolution of the window glass horizontal rotation mechanism 2 is better than 2 ".
The height of the window glass supporting mechanism 3 is suitable for window glass with different thicknesses, and the side face of the window glass can be adjusted to be consistent with the height of the automatic polishing mechanism 4.
The rotation speed range of the automatic polishing mechanism 4 is 50r/min-1500r/min.
5 straightness accuracy of reciprocating motion mechanism is 7um, and repeatability is superior to 3um.
The minimum resolution of the polishing pressure control mechanism 7 is superior to 2.5um, and the requirement of polishing precision of 0.01mm can be met.
And the polishing felt 8 is connected to the automatic polishing mechanism 4 and is used for polishing the side surface of the window glass, so that the uniform and consistent polishing removal amount is ensured.
The control system 9 is used for controlling the motion parameters (including rotation, side sag, reciprocating motion and the like) of each mechanism, realizing the side sag adjustment, pressure control adjustment, reciprocating motion control and polishing speed adjustment of the window glass, and ensuring the quality, consistency and uniformity of the polishing of the side surface of the window glass.
Based on the above large-size spatial angle window glass side polishing device, the window glass with the size of 346 × 303 × 224 × 247 × 250, the thickness of 20 and the side dihedral angle of 14 ° is used as the polishing object, and the large-size spatial angle window glass side polishing method of the embodiment includes the following steps:
the first step is as follows: window glass mounting
The window glass is installed on the window glass supporting mechanism 3 through the quick-change mechanism, the height of the center of the side face of the window glass is adjusted to be consistent with that of the tool setting measuring mechanism 6, and the window glass is fixed reliably.
The second step: window glass side sag adjustment
The window glass side face verticality calibrating mechanism 1 is rotated by 14 degrees through the control system 9, the side verticality calibrating plate is replaced for the tool setting measuring mechanism 6, as shown in figure 2, the window glass side face verticality calibrating mechanism 1 is controlled in a fine adjustment mode, the surface to be polished of the side face of the window glass is guaranteed to be attached to the side verticality calibrating plate, the surface to be polished is perpendicular to the ground, the window glass side face verticality calibrating mechanism 1 is locked, and the side verticality calibrating plate on the tool setting measuring mechanism 6 is detached.
The third step: window glass linearity adjustment
The control system 9 controls the window glass horizontal rotating mechanism 2 to rotate the surface of the window glass to be polished by 118 degrees, the surface is perpendicular to the tool setting measuring mechanism 6 visually, the polishing pressure control mechanism 7 is controlled to move back and forth at the moment, as shown in fig. 3, the dial indicator of the tool setting measuring mechanism 6 is in contact with the surface of the window glass to be polished on the side surface, the reciprocating mechanism 5 is controlled to move left and right to measure the straightness of the surface to be polished, the window glass horizontal rotating mechanism 2 is controlled in a fine adjustment mode to ensure that the straightness of the surface to be polished is within 0.01mm, the window glass horizontal rotating mechanism 2 is locked at the moment, and the high-precision digital display dial indicator on the tool setting measuring mechanism 6 is detached.
The fourth step: window glass polishing
The control system 9 controls the polishing pressure control mechanism 7 to move back and forth, so that the polishing felt 8 on the automatic polishing mechanism 4 is in contact with the surface to be polished on the side surface of the window glass, the polishing pressure control mechanism 7 is continuously moved at the moment, the polishing felt and the surface to be polished of the window glass are tightly pressed by 0.5mm, the polishing pressure control mechanism 7 is locked at the moment, the automatic polishing mechanism 4 is started, the rotating speed of the automatic polishing mechanism 4 is kept constant at 500r/min, and the felt rotates rapidly. And controlling the reciprocating mechanism 5, wherein before the speed of the reciprocating mechanism is accelerated to a constant speed from 0, the polishing felt 8 is not contacted with the window glass, and is contacted with the window glass after the linear movement speed is constant, so that the polishing process is superposed into a composite movement process of rotation and straight movement, and the polishing of the spatial angle side surface of the window glass is completed.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. An apparatus for polishing the side of a large-size spatial angle window glass, comprising: the device comprises a window glass side face verticality correcting mechanism (1), a window glass horizontal rotating mechanism (2), a window glass supporting mechanism (3), an automatic polishing mechanism (4), a reciprocating mechanism (5), a polishing pressure control mechanism (7) and a polishing felt (8); the window glass supporting mechanism (3) is fixed on the window glass horizontal rotating mechanism (2), the window glass horizontal rotating mechanism (2) is fixed on the window glass side face verticality correcting mechanism (1), and the window glass to be polished is installed on the window glass supporting mechanism (3); the polishing pressure control mechanism (7) is arranged on the side face of the window glass side face verticality correction mechanism (1), the reciprocating mechanism (5) is installed on the polishing pressure control mechanism (7), the automatic polishing mechanism (4) is installed on the reciprocating mechanism (5), and the polishing felt (8) is arranged on the automatic polishing mechanism (4); the window glass side face verticality correcting mechanism (1) is used for adjusting a face of the window glass to be polished to be plumbed with the ground, and the window glass horizontal rotating mechanism (2) is used for adjusting the face of each side face of the window glass to be polished to be perpendicular to the automatic polishing mechanism (4) in a rotating mode; the polishing pressure control mechanism (7) moves back and forth relative to the window glass to be polished, the reciprocating mechanism (5) drives the automatic polishing mechanism (4) to move left and right relative to the surface to be polished of the window glass to be polished, and the polishing felt (8) polishes the surface to be polished on each side surface of the window glass.
2. An apparatus for side polishing of large size spatial angle window glass as defined in claim 1, further comprising: the tool setting measuring mechanism (6) is connected to the automatic polishing mechanism (4), comprises a high-precision digital display dial indicator and a side-hanging correcting plate and is used for measuring the straightness of the side face of the window glass and ensuring that the allowance is removed uniformly during polishing of the side face of the window glass.
3. An apparatus for side polishing of large size spatial angle window glass as defined in claim 2, further comprising: and the control system (9) is used for controlling the motion parameters of the window glass side perpendicularity correcting mechanism (1), the window glass horizontal rotating mechanism (2), the window glass supporting mechanism (3), the automatic polishing mechanism (4), the reciprocating motion mechanism (5), the tool setting measuring mechanism (6) and the polishing pressure control mechanism (7) to realize window glass side perpendicularity adjustment, pressure control adjustment, reciprocating motion control and polishing speed adjustment.
4. The device for polishing the side surface of the window glass with the large spatial angle as set forth in claim 3, wherein the window glass side surface verticality correcting mechanism (1) is provided with a locking component, and the surface of the window glass to be polished is locked by the locking component after being adjusted to be plumbed with the ground; the window glass horizontal rotating mechanism (2) is provided with a locking assembly, and the surface to be polished on each side of the window glass is rotationally adjusted to be vertical to the automatic polishing mechanism (4) and then locked by the locking assembly.
5. The device for polishing the side surface of window glass with large spatial angle according to claim 4, wherein the window glass supporting mechanism (3) is provided with a window glass positioning and replacing interface.
6. The device for polishing the side surface of window glass with large spatial angle as set forth in claim 5, wherein the window glass supporting mechanism (3) is mounted on the window glass horizontal rotating mechanism (2) through a height adjusting assembly for adjusting the height of the window glass supporting mechanism (3) to accommodate window glasses with different thickness and to adjust the side surface of the window glass to be in accordance with the height of the automatic polishing mechanism (4).
7. The apparatus for large-size spatial-angle window glass side polishing as set forth in claim 6, wherein the precision of the rotational angle resolution of said window glass side sagging correction mechanism (1) is better than 1 "; the minimum angular resolution of the window glass horizontal rotating mechanism (2) is better than 2'.
8. The apparatus for polishing the side of a large-size spatial angle window glass according to claim 7, wherein the automatic polishing mechanism (4) rotates at a speed ranging from 50r/min to 1500r/min.
9. The apparatus for polishing the side surface of a large-size spatial angle window glass according to claim 8, wherein the reciprocating mechanism (5) has a straightness of 7um and a repetition precision of better than 3um; the minimum resolution of the polishing pressure control mechanism (7) is better than 2.5um.
10. A polishing method based on the device for polishing the side surface of the large-size space angle window glass of claim 9, which is characterized by comprising the following steps:
the first step is as follows: window glass mounting
The window glass is arranged on the window glass supporting mechanism (3), the height of the center of the side surface is adjusted to be consistent with that of the tool setting measuring mechanism (6), and the window glass is fixed reliably;
the second step: window glass side sag adjustment
Rotating the window glass side face verticality correction mechanism (1) by a set angle through a control system (9), wherein the angle is equal to the spatial dihedral angle value of a face to be polished on the window glass side face, replacing a side verticality correction plate for the tool setting measurement mechanism (6), controlling the window glass side face verticality correction mechanism (1) through fine adjustment to ensure that the face to be polished on the window glass side face is attached to the side verticality correction plate, enabling the face to be polished to be vertical to the ground, locking the window glass side face verticality correction mechanism (1), and detaching the side verticality correction plate on the tool setting measurement mechanism (6);
the third step: window glass linearity adjustment
The control system (9) is used for controlling the window glass horizontal rotating mechanism (2), the surface to be polished of the window glass is rotated to be perpendicular to the tool setting measuring mechanism (6) in a visual mode, the polishing pressure control mechanism (7) is controlled to move back and forth at the moment, a dial indicator of the tool setting measuring mechanism (6) is made to be in contact with the surface to be polished on the side surface of the window glass, the reciprocating mechanism (5) is controlled to move left and right to measure the straightness accuracy of the surface to be polished, the window glass horizontal rotating mechanism (2) is controlled in a fine adjustment mode to ensure that the straightness accuracy of the surface to be polished is within 0.01mm, the window glass horizontal rotating mechanism (2) is locked at the moment, and the high-precision digital display dial indicator on the tool setting measuring mechanism (6) is detached;
the fourth step: window glass polishing
The polishing pressure control mechanism (7) is controlled to move back and forth through the control system (9), so that the polishing felt (8) on the automatic polishing mechanism (6) is in contact with the surface to be polished on the side surface of the window glass, the polishing pressure control mechanism (7) is continuously moved at the moment, the compression amount is ensured to be 0.5mm, the polishing pressure control mechanism (7) is locked at the moment, and the automatic polishing mechanism (6) is started to enable the felt to rotate rapidly; and controlling the reciprocating mechanism (5), wherein the speed of the reciprocating mechanism is not contacted with the window glass before accelerating from 0 to a constant speed, and the reciprocating mechanism is contacted with the window glass after the linear motion speed is constant, so that the polishing process is superposed into a rotation and straight composite motion process, and the polishing of the spatial angle side surface of the window glass is completed.
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