CN107471504A - A kind of micro-structural hits the regulation platform and its adjusting method of a machining tool light-conducting board mold - Google Patents

Abstract

The invention discloses an adjustment platform for a light guide plate mold of a microstructure collision point processing machine tool, which includes a base, an X-axis adjustment device, a Y-axis adjustment device, a Z-axis adjustment device and a detection device installed on the base. The horizontality of the device in the X-axis direction; the Z-axis adjustment device is equipped with an electromagnetic chuck device, and the upper surface of the electromagnetic chuck device is provided with a light guide plate mold that can be magnetically attracted. The invention also discloses an adjustment method, which includes the following steps: 1) Adsorbing the light guide plate mold on the cover plate; 2) Controlling the driving of the voice coil motor at the corresponding position according to the measured height value of the outline point of the light guide plate mold The mold of the light guide plate is partially raised or lowered; 3) Continue to step 2) and circulate until the height difference between the contour points around the mold of the light guide plate reaches the set value. The invention has the beneficial effects of automatic adjustment, high adjustment precision, convenient use and high work efficiency.

Description

An adjustment platform for light guide plate mold of microstructure impact point processing machine tool and its adjustment method

technical field

The invention relates to an adjustment platform, in particular to an adjustment platform and an adjustment method for a light guide plate mold of a microstructure collision point processing machine tool.

Background technique

The light guide plate mold is a precision workpiece. There is a microarray structure on the light guide plate mold. These microarray structures are processed by precision impact machine tools. Since the depth of the microarray structure holes is only a few microns, it is necessary to obtain microarray holes. The processing depth maintains consistency and small error effects, and the adjustment platform needs to have extremely high levelness.

The existing adjustment platform is basically a manual adjustment platform. For example, the patent number "201610566884.6" discloses an adjustment platform for microarray collision point processing. On the surface of the platform where the light guide plate mold is placed, a plurality of arrays of round holes are arrayed and processed. A circular magnet is placed in the hole. This adjustment platform relies on the pure mechanical structure to magnetically fix the light guide plate mold. When installing the light guide plate mold, it is all pushed to the appropriate processing position by force. When unloading, forcefully remove the platform, install and Unloading requires a lot of effort to overcome the magnetic attraction of the platform to the light guide plate mold, and the work intensity is high and inconvenient. Especially when unloading the light guide plate mold, the lower bottom surface of the light guide plate mold and the upper surface of the adjustment platform will be drawn out Multiple scars reduce the service life of the adjustment platform. More importantly, when leveling the light guide plate mold, manually tighten or loosen the elastic bolts at the four corners of the platform to adjust the levelness of the light guide plate mold. Because it needs to be adjusted to within 2μm, it needs to be adjusted repeatedly, and it is easy to appear elastic at one of the four corners The bolt has been fully tightened downwards, but the position here is still at the highest point. In this case, all the previous adjustments must be abandoned and the adjustment must be started again, which seriously wastes the time of the processor and increases the workload of the processor. low efficiency.

Contents of the invention

The purpose of the present invention is to solve the problem of low processing efficiency due to inconvenient installation and unloading of light guide plate molds and adjustments on the existing adjustment platform, and to provide a microstructure impact point processing machine tool with automatic adjustment, high adjustment accuracy, convenient use and high work efficiency An adjustment platform of a light guide plate mold and an adjustment method thereof.

The purpose of the present invention can adopt following technical scheme to reach:

An adjustment platform for a light guide plate mold of a microstructure collision point processing machine tool and an adjustment method thereof, including a base, an X-axis adjustment device, a Y-axis adjustment device, a Z-axis adjustment device, and a detection device installed on the base. The Y-axis adjustment device Located above the Z-axis adjustment device, the detection device is installed on the Y-axis adjustment device to detect the levelness of the light guide plate mold on the Z-axis adjustment device in the Y-axis direction; the Z-axis adjustment device can Slidingly installed on the X-axis adjustment device to move along the X-axis direction, the detection device detects the levelness of the light guide plate mold on the Z-axis adjustment device in the X-axis direction; the Z-axis adjustment device is equipped with an electromagnetic chuck device, The upper surface of the electromagnetic chuck device is equipped with a light guide plate mold that can be magnetically attracted and unloaded; the Z-axis adjustment device is provided with a locking device that locks or adjusts the Z-axis adjustment device to the corresponding position. release.

Further, the Z-axis adjustment device includes a mounting base, a voice coil motor, an electric displacement sensor and a connecting base, the mounting base is installed on the moving end of the X-axis adjusting device, and the contour of the upper surface of the mounting base The voice coil motor and the electric displacement sensor are evenly arranged on the side, and the bottom end of the connecting seat is connected with the telescopic shaft of the voice coil motor.

Further, the suction cup device includes an electromagnetic generator and a cover plate that can be magnetized, a groove is opened on the upper surface of the connection seat, the electromagnetic generator is installed in the groove, and the cover plate covers the connecting seat. on the upper surface of the seat.

As a preferred solution, the electromagnetic generator includes a coil and an iron core, the iron core is arranged in the groove, and the coil is sleeved on the iron core.

As a preferred solution, the cover plate includes several magnetic strips and magnetic spacer strips, the magnetic spacer strips are arranged between two adjacent magnetic strips, and the magnetic poles of the two adjacent magnetic strips are opposite.

As a preferred solution, the locking device is arranged on the side of the Z-axis adjusting device, the locking device includes a horizontal link and two vertical links, and one end of the vertical link is fixedly installed On the mounting base, the other end of the vertical connecting rod has a long hole, and the side of the connecting seat has a threaded hole. Threaded connection, when the voice coil motor drives the connecting seat to the corresponding position, twist the threaded connecting piece to lock the connecting seat.

Further, the X-axis adjustment device includes a linear guide rail, a slider and a driving device, the linear guide rail is fixedly installed on the base, the slider is slidably installed on the linear guide rail, and the Z-axis adjustment device is fixedly installed on the base On the slider, the power output end of the driving device is connected with the slider to drive the slider to slide on the linear guide rail.

As a preferred solution, the detection device is a magnetic suction probe device.

A method for adjusting the light guide plate mold of a microstructure impact point processing machine tool, comprising the following steps:

1) Place the light guide plate mold on the surface of the cover plate, and energize the coil to generate magnetic force to adsorb the light guide plate mold on the cover plate;

2) Control the linkage between the X-axis adjustment device and the Y-axis adjustment device; drive the probe of the detection device to measure the height of the contour points around the light guide plate mold, and control the corresponding position according to the measured height value of the contour points of the light guide plate mold. The voice coil motor drives the light guide plate mold to rise or fall locally; at the same time, the displacement sensor detects the driving distance of the voice coil motor, and when the corresponding height is raised or lowered, the voice coil motor on the corresponding contour point stops;

3) Continue to step 2) and circulate until the height difference between the contour points around the mold of the light guide plate reaches the set value.

Further, the specific content of the step 2) is: the probe of the detection device measures the height of the surrounding contour of the light guide plate mold, and according to the measured height difference a between two adjacent contour points of the light guide plate mold , the voice coil motor on the contour point with low control height drives the light guide plate to rise by a/2, or the voice coil motor on the contour point with high control height drives the light guide plate to lower by a/2.

Implement the present invention, have following beneficial effect:

1. The present invention adopts an electromagnetic sucker device. After the light guide plate mold is placed on the Z-axis adjustment device, the light guide plate mold can be absorbed and fixed on the Z-axis adjustment device only by energizing the electromagnetic chuck device; similarly, When the light guide plate mold needs to be unloaded, the light guide plate mold can be quickly unloaded only by powering off the electromagnetic chuck. The installation and unloading are simple, convenient and fast.

2. The present invention measures the height of the surface of the light guide plate mold through the detection device; according to the data detected by the detection device, the Z-axis adjustment device is controlled to work, and the levelness of the surface of the light guide plate mold is adjusted to make the surface of the light guide plate mold level meets the requirements. After the Z-axis is adjusted to adjust the levelness of the surface of the light guide plate mold to meet the requirements, the Z-axis is locked by the locking device and cannot move, and the levelness of the surface of the light guide plate mold at this time can be maintained. , to achieve the purpose of maintaining the levelness of the surface of the light guide plate mold for a long time.

3. The method of the present invention detects the height of the surface of the light guide plate mold through the detection device, and controls the voice coil motor at the corresponding position to raise or lower the position of the connecting seat connected to the voice coil motor The height of the surface, and finally make the level of the light guide plate mold placed on the connection seat meet the requirements. At the same time, the displacement sensor detects the driving distance of the voice coil motor, and after the corresponding height is raised or lowered, the voice coil motor at the corresponding position is controlled to stop working until the levelness of the surface of the light guide plate mold meets the requirements. The method can automatically level the mold of the light guide plate, can greatly guarantee the adjustment accuracy of the adjustment platform, and has the characteristics of convenient control and adjustment, rapidity and high adjustment accuracy.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is a structural schematic diagram of the adjustment platform of the light guide plate mold of the microstructure collision point processing machine tool of the present invention;

Fig. 2 is a structural schematic diagram of the X-axis adjustment device and the Z-axis adjustment device of the light guide plate mold of the microstructure collision point processing machine tool of the present invention;

Fig. 3 is a sectional view along the vertical direction of Fig. 2;

FIG. 4 is a structural schematic diagram of a mold for a light guide plate.

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Example

1 and 2, the present embodiment relates to an adjustment platform, including a base 1 and an X-axis adjustment device 2, a Y-axis adjustment device 3, a Z-axis adjustment device 4 and a detection device 5 mounted on the base 1. The Y-axis The adjustment device 3 is arranged above the Z-axis adjustment device 4, and the detection device 5 is installed on the Y-axis adjustment device 3 to detect the levelness of the light guide plate mold 10 on the Z-axis adjustment device 4 in the Y-axis direction The Z-axis adjustment device 4 can be slidably installed on the X-axis adjustment device 2 and move along the X-axis direction, and the detection device 5 detects the horizontality of the light guide plate mold 10 on the Z-axis adjustment device 4 in the X-axis direction; An electromagnetic chuck device is installed on the Z-axis adjustment device 4, and the upper surface of the electromagnetic chuck device is provided with a light guide plate mold 10 that can be magnetically attracted; the Z-axis adjustment device 4 is provided with a locking device, and the lock The tightening device locks or loosens the Z-axis adjusting device 4 adjusted to the corresponding position.

The adjustment platform adopts an electromagnetic sucker device. After the light guide plate mold 10 is placed on the Z-axis adjustment device 4, the light guide plate mold 10 can be absorbed and fixed on the Z-axis adjustment device 4 only by energizing the electromagnetic chuck device; Similarly, when the light guide plate mold 10 needs to be unloaded, the light guide plate mold can be quickly unloaded only by powering off the electromagnetic chuck, and the installation and unloading are simple, convenient and fast.

The X-axis adjustment device 2 drives the Z-axis adjustment device 4 to slide in the X-axis direction, so that the light guide plate mold 10 installed on the Z-axis adjustment device 4 also slides in the X-axis direction, so that the detection device 5 can control the light guide plate mold 10 in the X-axis direction. The above position is measured. The Y-axis adjustment device 3 drives the detection device 5 to slide along the Y-axis direction to measure the position of the light guide plate mold 10 in the Y-axis direction. When the X-axis adjustment device 2 and the Y-axis adjustment device 3 are working, the detection device 5 measures the height of the surface of the light guide plate mold 10; according to the data detected by the detection device 5, the Z-axis adjustment device 4 is controlled to work, and the light guide plate mold 10 to adjust the levelness of the surface of the light guide plate so that the levelness of the surface of the light guide plate meets the requirement.

After the Z-axis adjustment adjusts the levelness of the surface of the light guide plate mold 10 to meet the requirements, the Z-axis is locked by the locking device and cannot move, and the levelness of the surface of the light guide plate mold 10 at this time can be maintained. The purpose of maintaining the levelness of the surface of the light guide plate mold 10 for a long time is achieved.

The Z-axis adjusting device 4 includes a mounting base 41, a voice coil motor 42, an electric displacement sensor 43 and a connecting base 44, the mounting base 41 is installed on the moving end of the X-axis adjusting device 2, and the mounting base 41 The voice coil motor 42 and the electric displacement sensor 43 are evenly arranged on the contour edge of the upper surface of the upper surface, and the bottom end of the connecting seat 44 is connected with the telescopic shaft of the voice coil motor 42 . There are multiple Z-axis adjusting devices 4 , and they are distributed on the outlines of the mounting base 41 and the connecting base 44 . After the detection device 5 detects the height of the upper surface of the light guide plate mold 10, the voice coil motor 42 at the corresponding position is controlled to raise or lower the connecting seat 44 connected to the voice coil motor 42 The surface height of the position, and finally make the level of the light guide plate mold 10 placed on the connection seat 44 meet the requirements. At the same time, the displacement sensor detects the driving distance of the voice coil motor 42, and controls the voice coil motor 42 at the corresponding position to stop working after the corresponding height is raised or lowered.

As shown in Figure 2 and Figure 3, the suction cup device includes an electromagnetic generator 61 and a cover plate 62 that can be magnetized, a groove 441 is opened on the upper surface of the connecting seat 44, and the electromagnetic generator 61 is installed in the concave In the groove 441 , the cover plate 62 covers the upper surface of the connecting seat 44 . After the light guide plate mold 10 is placed on the cover plate 62, it is only necessary to energize the electromagnetic generator 61, the electromagnetic generator 61 generates a magnetic field and magnetizes the cover plate 62, and the light guide plate mold 10 is magnetically attracted and fixed to the cover plate 62 Similarly, when the light guide plate mold 10 needs to be unloaded, it is only necessary to power off the electromagnetic generator 61, and the magnetic block disappears, and the light guide plate can be quickly unloaded. The installation and unloading are simple, convenient and fast.

The electromagnetic generator 61 includes a coil 611 and an iron core 612 , the iron core is disposed in the groove 441 , and the coil 611 is sheathed on the iron core 612 . When the coil 611 is energized, it can generate a magnetic field to magnetize the cover plate 62 and attract the light guide plate mold 10 to the cover plate 62 . By inserting the iron core 612 into the coil 611 , the strength of the magnetic field can be enhanced, and the magnitude of the magnetic force can be increased, so that the electromagnetic generator 61 has greater magnetic attraction force.

In order to improve the magnetic field stability after the cover plate 62 is magnetized, the cover plate 62 includes several magnetic strips 621 and magnetic spacer strips 622, the magnetic spacer strips 622 are arranged between two adjacent magnetic strips 621, and two The magnetic poles of adjacent magnetic strips 621 are opposite.

The locking device is arranged on the side of the Z-axis adjustment device 4, and the locking device includes a horizontal connecting rod 71 and two vertical connecting rods 72, and one end of the vertical connecting rod 72 is fixedly installed on the mounting base 41, the other end of the vertical connecting rod 72 has an elongated hole 721, and the side of the connecting seat 44 has a threaded hole, and the two ends of the horizontal connecting rod 71 pass through the elongated hole 721 through a threaded connector. It is threadedly connected with the threaded hole, and when the voice coil motor 42 drives the connecting seat 44 to a corresponding position, the threaded connecting piece is screwed to lock the connecting seat 44 . When the voice coil motor 42 adjusts the surface of the light guide plate mold 10 to the level, the connecting seat 44 is fixed to the mounting seat 41 through the vertical connecting rod 72 by twisting the threaded connector, so that the connecting seat 44 is fixed and kept in a stable position. in height.

The X-axis adjustment device 2 includes a linear guide rail 21, a slider and a driving device. The linear guide rail 21 is fixedly mounted on the base 1, and the slider is slidably mounted on the linear guide rail 21. The Z-axis adjustment device 4 It is fixedly installed on the slide block, and the power output end of the driving device is connected with the slide block to drive the slide block to slide on the linear guide rail 21 . The driving device drives the Z-axis adjustment device 4 to move linearly on the guide rail, so that the light guide plate mold 10 placed on the Z-axis adjustment device 4 slides linearly in the X-axis direction.

The detection device 5 is a magnetic suction probe device, the probe of the detection device 5 is in contact with the surface of the light guide plate mold 10, and the heights of different positions on the surface of the light guide plate mold 10 are measured by the data of the needle meter of the detection device 5 , to measure the height difference between the two locations.

A method for adjusting a light guide plate mold 10 of a microstructure impact point processing machine tool, comprising the following steps:

1) Place the light guide plate mold 10 on the surface of the cover plate 62, and energize the coil to generate magnetic force to adsorb the light guide plate mold 10 on the cover plate 62;

2) Control the linkage between the X-axis adjustment device 2 and the Y-axis adjustment device 3; drive the probe of the detection device 5 to measure the height of the contour points around the light guide plate mold 10, according to the measured height value of the contour points of the light guide plate mold 10 , control the voice coil motor 42 at the corresponding position to drive the light guide plate mold 10 to rise or fall; at the same time, the displacement sensor detects the driving distance of the voice coil motor 42, and when the corresponding height is raised or lowered, the corresponding contour point The voice coil motor 42 stops;

3) Continue step 2) and circulate until the height difference between the contour points around the light guide plate mold 10 reaches the set value.

The specific content of the step 2) is: the probe of the detection device 5 measures the height of the surrounding contour of the light guide plate mold 10, and according to the measured height difference a between two adjacent contour points of the light guide plate mold 10 , control the voice coil motor 42 on the contour point with a low height to drive the light guide plate to rise by a/2, or control the voice coil motor 42 on the contour point with a high height to drive the light guide plate to lower by a/2.

As shown in Figures 1 and 4, the light guide plate mold 10 is a square, and four points A, B, C, and D are selected at the four corners of the square. After the measurement of the probe of the detection device 5, if point A is the highest Point, with point A as a reference, in the adjustment between A and B, the voice coil motor 42 under point B drives and raises the height of the connecting seat 44 to be 1/2 of the height difference between A and B, and at the same time The driving height of the voice coil motor 42 is measured by the electric displacement sensor 43, and after reaching the height, the voice coil motor 42 under point B is controlled to stop working;

Similarly, in the adjustment between B and C, first measure the data of points B and C through the probe of the detection device 5, if point B is the high point, then use point B as the reference, the voice coil under point C The motor 42 drives and raises the height of the connecting seat 44 to be 1/2 of the height difference between B and C. At the same time, the driving height of the voice coil motor 42 is measured by the electric displacement sensor 43. After reaching the height, control C The voice coil motor 42 under the point stops working. By analogy, in the adjustment between C and D, the height value between C and D is adjusted, and in the adjustment between D and A, the height value between D and A is adjusted, thus realizing a cycle adjustment.

The probe walks around from A-B-C-D-A to measure the displacement difference between the highest point and the lowest point among the four points. If it is within 2μm, there is no need to proceed to the next cycle. If it does not meet the requirements, it needs to enter the next cycle and adjust again until until the requirements are met.

In addition, the following adjustment methods can also be used:

Through the measurement of the probe of detection device 5, if point A is the highest point, with point B as the reference, in the adjustment between A and B, the voice coil motor 42 under point A drives and reduces the height of connecting seat 44 to 1/2 of the height difference between A and B, while measuring the driving height of the voice coil motor 42 through the electric displacement sensor 43, after reaching the height, the voice coil motor 42 under point A is controlled to stop working;

Similarly, in the adjustment between B and C, first measure the data of points B and C through the probe of the detection device 5, if point B is the high point, then take point C as the reference, the voice coil under point B The motor 42 drives and lowers the height of the connecting seat 44 to 1/2 of the height difference between B and C. At the same time, the driving height of the voice coil motor 42 is measured by the electric displacement sensor 43. After reaching the height, point B is controlled. The lower voice coil motor 42 stops working. By analogy, in the adjustment between C and D, the height value between C and D is adjusted, and in the adjustment between D and A, the height value between D and A is adjusted, thus realizing a cycle adjustment.

The probe walks around from A-B-C-D-A to measure the displacement difference between the highest point and the lowest point among the four points. If it is within 2.5 μm, there is no need to proceed to the next cycle. If the requirements are not met, it is necessary to enter the next cycle and adjust again. until the requirements are met.

In this method, after the detection device 5 detects the height of the surface of the light guide plate mold 10, the voice coil motor 42 at the corresponding position is controlled to raise or lower the connecting seat connected to the voice coil motor 42 44, and finally make the level of the light guide plate mold 10 placed on the connection seat 44 meet the requirements. At the same time, the displacement sensor detects the driving distance of the voice coil motor 42. After raising or lowering the corresponding height, the voice coil motor 42 at the corresponding position is controlled to stop working until the levelness of the surface of the light guide plate mold meets the requirements. The method can automatically level the light guide plate, can greatly guarantee the adjustment accuracy of the adjustment platform, and has the characteristics of convenient control and adjustment, rapidity and high adjustment accuracy.

The above disclosure is only a preferred embodiment of the present invention, which certainly cannot limit the scope of rights of the present invention. Therefore, equivalent changes made according to the claims of the present invention still fall within the scope of the present invention.

Claims (10)

1. a kind of micro-structural hits the regulation platform of a machining tool light-conducting board mold, it is characterised in that including base and is installed on X-axis adjusting means, Y-axis adjusting means, Z axis adjusting means and detection device on base, the Y-axis adjusting means are located at institute The top of Z axis adjusting means is stated, the detection device is installed in the Y-axis adjusting means and detects Z axis adjusting means in Y-axis Levelness on direction；The Z axis adjusting means is slidably mounted in the X-axis adjusting means and moved in the X-axis direction, and visits Survey the levelness of device detection Z axis adjusting means in the X-axis direction；Electromagnetic chuck device is installed in the Z axis adjusting means, The upper surface of the electromagnetic chuck device is provided with magnetic or can be by the light-conducting board mold of magnetic；In the Z axis adjusting means Provided with locking device, the Z axis adjusting means adjusted to relevant position is locked or unclamped by locking device.

2. a kind of micro-structural according to claim 1 hits the regulation platform of a machining tool light-conducting board mold, its feature exists In the Z axis adjusting means includes mounting seat, voice coil motor, electric displacement sensor and connecting seat, and the mounting seat is installed on institute On the tache motorice for stating X-axis adjusting means, the voice coil motor and electricity are uniformly provided with the profile side of the upper surface of the mounting seat Displacement transducer, the bottom of the connecting seat and the flexible axis connection of the voice coil motor.

3. a kind of micro-structural according to claim 2 hits the regulation platform of a machining tool light-conducting board mold, its feature exists In the Acetabula device includes electromagnetic generator and the cover plate that can be magnetized, and the upper surface of the connecting seat is provided with groove, described Electromagnetic generator is installed in groove, and the cover plate lid is together on the upper surface of connecting seat.

4. a kind of micro-structural according to claim 3 hits the regulation platform of a machining tool light-conducting board mold, its feature exists In the electromagnetic generator includes coil and iron core, and the iron core is in groove, and coil is sheathed on iron core.

5. a kind of micro-structural according to claim 3 hits the regulation platform of a machining tool light-conducting board mold, its feature exists Include some magnetic stripes in, the cover plate and described every magnetic stripe, and two adjacent magnetic stripes are provided between magnetic stripe, two adjacent magnetic stripes Magnetic pole it is opposite.

6. a kind of micro-structural according to claim 2 hits the regulation platform of a machining tool light-conducting board mold, its feature exists In being equipped with the locking device on the side in the Z axis adjusting means, the locking device includes waling stripe and two Vertical connecting rod, one end of the vertical connecting rod are fixedly installed in mounting seat, and the other end of vertical connecting rod is provided with elongated hole, the company Be provided with screwed hole on the side of joint chair, the both ends of the waling stripe be connected through a screw thread part through elongated hole and with screwed hole spiral shell Line connects, and when on voice coil motor drive connection seat to relevant position, twists threaded connector and locks connecting seat.

7. a kind of micro-structural according to claim 1 hits the regulation platform of a machining tool light-conducting board mold, its feature exists In the X-axis adjusting means includes line slideway, sliding block and drive device, and the line slideway is fixedly installed on base, institute State sliding block to be slidably mounted on line slideway, the Z axis adjusting means is fixedly installed on sliding block, and the drive device is moved Power output end is connected with the sliding block and drives sliding block to be slided on line slideway.

8. a kind of micro-structural according to claim 1 hits the regulation platform of a machining tool light-conducting board mold, its feature exists In the detection device is magnetic-type probe unit.

9. a kind of micro-structural hits an adjusting method for machining tool light-conducting board mold, it is characterised in that comprises the following steps：

1) light-conducting board mold is placed on the surface of cover plate, and produces magnetic force to coil electricity and light-conducting board mold absorption exists On cover plate；

2) X-axis adjusting means and the linkage of Y-axis adjusting means are controlled；The probe of detection device is driven to the surrounding wheel of light-conducting board mold Exterior feature point carries out elevation carrection, according to the height value of the profile point of the light-conducting board mold measured, controls the voice coil loudspeaker voice coil on relevant position Locally rise or the decline of motor driving light-conducting board mold；Meanwhile driving distance of the displacement transducer to voice coil motor detects, When raising or declining corresponding height, the voice coil motor on respective profile point stops；

3) continue step 2) and circulate, until the difference in height between the surrounding profile point of light-conducting board mold reaches setting value.

10. a kind of micro-structural according to claim 9 hits an adjusting method for machining tool light-conducting board mold, its feature exists In the particular content of the step 2) is：The probe of detection device carries out elevation carrection, root to the surrounding profile of light-conducting board mold According to the height difference a between two adjacent profile points of the light-conducting board mold measured, the sound in highly low profile point is controlled Motor driving light guide plate rise a/2 is enclosed, or controls the voice coil motor driving light guide plate in highly high profile point to reduce a/2.