CN217954817U - Lenticular lens angle control device - Google Patents

Abstract

The utility model belongs to the technical field of the lens processing equipment, specifically be a lenticular lens angle control device, include: the upper end of the base is provided with an object stage, the upper end of the base and the side of the object stage are provided with lower arm rods, and the upper ends of the lower arm rods are rotatably connected with the lower ends of the upper arm rods through coarse adjustment mechanisms; one end of the cross rod is rotatably connected with the upper end of the upper arm rod through the fine adjustment mechanism, and the other end of the cross rod is provided with a laser; the loop bar is arranged on the base and located on the side of the lower arm rod, and a target is arranged on the loop bar. The utility model discloses can accurate demonstration work piece the light spot offset when timing angle, the deviant of angle promptly reduces the reliance that leans on the body precision to the angle, leans on the body to fall for the additional action from the core effect with the angle, and has reduced the precision that the angle leaned on the body, has avoided the work piece angle error that the angle error that leans on body itself to arouse because of the angle, improves the product percent of pass.

Description

Lenticular lens angle control device

Technical Field

The utility model belongs to the technical field of the lens processing equipment, concretely relates to lenticular lens angle control device.

Background

The two angles of the light-passing surfaces of the cylindrical lens commonly used in the general optical communication industry are 90 degrees and 82 degrees, respectively, and the angle tolerance of the 82 degree inclined surface is +/-30'. The technical scheme in the existing production process is that an angle leaning body with a specific angle is tightly attached and bonded with a workpiece (a lens group), and the angle value of a certain dimensionality of the workpiece is indirectly ensured by the angle of the angle leaning body. The realization process is as follows: the method comprises the following steps of taking a glass flat plate with a certain flatness, fixing an angle leaning body with a specific angle on the glass flat plate, adhering the side face of a workpiece to the working face of the angle leaning body, so as to ensure that the angle of the workpiece is consistent with that of the angle leaning body, grinding the upper surface of the workpiece through the working procedures of grinding and the like, and processing the inclined plane with the same angle as that of the angle leaning body.

The existing angle control technology taking a specific angle leaning body as a technical core has the following problems in processing, manufacturing and using: (1) the requirement on the precision of the angle leaning body is high: the product angle is ensured by depending on the precision of the lean body, the precision of the lean body is required to be far higher than that of the product, and the tolerance requirement of the lean body angle is +/-2'; (2) the operation difficulty is high and is large: the bonding surfaces of the leaning body and the product are smooth and flat enough to generate certain suction force between the leaning body and the product, so that the phenomenon similar to 'optical cement' in optical processing is realized, the 'optical cement' is a technology with strong technical performance, the whole operation process is careful and clean, the proficiency is high, the production capacity is limited, and the capacity is restricted; (3) severe abrasion of the lean body: in the operation process, the abrasion problem between contact surfaces can occur, the workpiece can cause the angular deviation of the workpiece after being bonded with the angle leaning body, once the upper disc angular deviation is more than 15', the product is judged to have poor angle, the processing yield is low, the processing period of the leaning body generally needs more than 7 days, and the production capacity is limited due to the limitation of the number of the leaning body.

SUMMERY OF THE UTILITY MODEL

To above-mentioned prior art not enough, the utility model provides a lenticular lens angle controlling means, but the accurate light spot offset that shows the work piece when the timing angle, the deviant of angle promptly reduces the reliance that leans on the body precision to the angle, leans on the body to fall for the additional action from the core effect with the angle, and has reduced the precision that the angle leaned on the body, has avoided leaning on the work piece angle error that the angle error of body itself arouses because of the angle, improves the product percent of pass.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model aims at providing a lenticular lens angle control device, include

The upper end of the base is provided with an object stage, the upper end of the base and the side of the object stage are provided with lower arm rods, and the upper ends of the lower arm rods are rotatably connected with the lower ends of the upper arm rods through coarse adjustment mechanisms;

one end of the cross rod is rotatably connected with the upper end of the upper arm rod through the fine adjustment mechanism, and the other end of the cross rod is provided with a laser;

the loop bar is arranged on the base and positioned on the side of the lower arm bar, and a target is arranged on the loop bar;

the rough adjustment mechanism and the fine adjustment mechanism adjust laser light spots emitted by the laser, so that the light spots are reflected to the target through the objective table.

Preferably, in the lenticular lens angle control apparatus, the coarse adjustment mechanism includes a concave block and a locking screw, the upper end of the lower arm rod is connected to the lower end of the concave block, the lower end of the upper arm rod is rotatably connected to the inside of the concave block, and one end of the locking screw penetrates through the outer wall of the concave block and penetrates through the outer wall of the upper arm rod to be in contact with the inner wall of the concave block.

Preferably, in the device for controlling the angle of the lenticular lens, a sleeve is disposed at the upper end of the upper arm, the lower end of the sleeve is an opening, and one end of the cross rod is rotatably sleeved on the sleeve.

Preferably, in the device for controlling the angle of the lenticular lens, the upper end of the upper arm is a concave groove, the opening of the concave groove is communicated with the opening, and a limiting block is arranged on the lower wall of one end of the cross rod and is movably positioned in the hollow space and the opening.

Preferably, in the above device for controlling an angle of a lenticular lens, the fine adjustment mechanism includes a spring and a fine adjustment bolt, the spring is disposed between the stopper and a wall of the concave groove, and one end of the fine adjustment bolt penetrates through another wall of the concave groove and the penetrating portion of the fine adjustment bolt contacts the stopper.

Preferably, in the device for controlling an angle of a lenticular lens, the groove wall of the concave groove and the limiting block are both provided with a spring groove, and two ends of the spring are connected with one spring groove respectively.

Preferably, the loop bar comprises an upper loop bar and a lower loop bar, the lower loop bar is sleeved on the upper loop bar, a fixing bolt is arranged on the lower loop bar, the fixing bolt penetrates through the outer wall of the lower loop bar and penetrates into the outer wall of the lower loop bar to be in contact with the upper loop bar, a fixing rod is connected to the upper end of the lower loop bar, one end of the fixing rod is connected with the target, and the target is located above the side of the laser.

Preferably, in the angle control device for a lenticular lens, the laser is provided with an excitation light source, and the excitation light source is a light emitting diode.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses a behind the laser instrument excitation light source, through reflecting to the target on, through the supplementary timing product angle of the mode of light spot angle measurement, but greatly reduced leans on the dependence of body precision to the angle, leans on the body to fall from the core effect for the additional action with the angle, and the tolerance requirement that leans on the body to the angle is also not harsh. The precision requirement of the angle leaning body can be reduced to +/-6 'from the original +/-2', so that the processing difficulty of the angle leaning body is greatly reduced, equipment, auxiliary materials and human resources consumed by processing the angle leaning body are reduced, and the production cost of a product is reduced.

2. The utility model has the advantages of the whole structure is succinct, the precision is high, the fault rate is low, be applicable to measure any angle, like the timing of other angles such as common 6 °,7 °,8 °,10 °,12 °, can quantify, measurable quantity, controllable angle modulation and goniometry technology, the operation degree of difficulty has been reduced, reduce the reliance of leaning on the body precision to the angle, the operation flow of having simplified simultaneously, the operation degree of difficulty has been reduced, reduce operating personnel's technical proficiency, the work piece angle error of having avoided leaning on the angle error of body itself to arouse because of the angle, the production of waste product and defective products has been reduced, the product percent of pass is improved, and the work efficiency is improved, and is suitable for on a large scale, and the mass production.

Drawings

FIG. 1 is a schematic diagram of a prior art operating principle;

fig. 2 is a left side view structural schematic diagram of the angle control device of the present invention;

fig. 3 is a schematic front view of the connection of the lower arm lever, the upper arm lever and the fine adjustment mechanism of the present invention;

fig. 4 is a schematic structural view of the connection of the upper arm rod, the cross rod and the fine adjustment mechanism of the present invention;

fig. 5 is a schematic view of the angle control device of the present invention;

FIG. 6 is a schematic diagram illustrating the calculation principle of the angular offset according to the present invention;

FIG. 7 is a schematic view of a target paper of the present invention;

description of reference numerals:

1. the device comprises a base, 2 parts of an object stage, 3 parts of a lower arm rod, 4 parts of a coarse adjustment mechanism, 5 parts of an upper arm rod, 6 parts of a cross rod, 61 parts of a limiting block, 7 parts of a fine adjustment mechanism, 8 parts of a laser, 9 parts of a loop bar, 10 parts of a target, 11 parts of a concave block, 12 parts of a locking screw, 13 parts of a sleeve, 14 parts of a spring, 15 parts of a fine adjustment bolt, 16 parts of a glass flat plate, 17 parts of an angle leaning body, 18 parts of a workpiece and 19 parts of a processing surface.

Detailed Description

In order to make the technical solutions of the present invention better understood and enable one skilled in the art to practice the present invention, the present invention will be further described with reference to the following specific embodiments and accompanying drawings.

As shown in fig. 1, in the existing production process, an angle depending body 17 with a specific angle is closely attached and bonded to a workpiece 18 (a lens group), so that an angle value of a certain dimension of the workpiece is indirectly ensured by the angle depending on the angle of the body. The principle is shown in figure 1 below. The realization process is as follows: a glass plate 16 with a certain flatness is taken, an angle leaning body 17 with a specific angle is fixed on the glass plate 16, the side surface of a workpiece 18 is adhered to the working surface of the angle leaning body 17, so that the angle of the workpiece 18 is consistent with that of the angle leaning body 17, and then the upper surface of the workpiece is ground to a processing surface 19 in the figure 1 through the procedures of grinding and the like, so that the inclined surface which is the same as the angle of the angle leaning body 17 can be processed. The bonding surfaces of the rest 17 and the workpiece 18 must be smooth and flat enough to generate a certain attraction force therebetween, thereby achieving a phenomenon similar to "optical cement" in optical processing.

The utility model provides a lenticular lens angle control device, as shown in figures 1-3, include:

the device comprises a base 1, an object stage 2 is arranged at the upper end of the base 1, a lower arm rod 3 is arranged at the upper end of the base 1 and on the side of the object stage 2, and the upper end of the lower arm rod 3 is rotatably connected with the lower end of an upper arm rod 5 through a coarse adjustment mechanism 4; one end of the cross rod 6 is rotatably connected with the upper end of the upper arm rod 5 through the fine adjustment mechanism 7, and the other end of the cross rod is provided with a laser 8; the loop bar 9 is arranged on the base 1 and positioned on the side of the lower arm rod 3, and a target 10 is arranged on the loop bar 9; the coarse adjustment mechanism 4 and the fine adjustment mechanism 7 adjust the laser spot emitted by the laser 8 so that the spot is projected onto the target 10 through the stage 2.

Specifically, as shown in fig. 2 and 3, the rough-adjusting mechanism 4 includes a concave block 11 and a locking screw 12, the upper end of the lower arm rod 3 is connected to the lower end of the concave block 11, the lower end of the upper arm rod 5 is rotatably connected in the concave block 11, and one end of the locking screw 12 penetrates through the outer wall of the concave block 11 and penetrates partially to contact with the outer wall of the upper arm rod 5. The upper arm rod 5 can rotate left and right on the concave block 11 by screwing the locking screw 12, the position of the cross rod 6 connected with the upper arm rod 5 is adjusted, and then the position of the laser 8 is adjusted, so that the rough adjustment of the laser 8 is achieved.

Specifically, as shown in fig. 4 and 5, a sleeve 13 is disposed at the upper end of the upper arm 5, the lower end of the sleeve 13 is an opening, and one end of the cross bar 6 is rotatably sleeved on the sleeve 13. The upper end tip of going up armed lever 5 is the concave groove, and the notch and the opening intercommunication in concave groove, the one end lower wall of horizontal pole 6 are provided with stopper 61, and stopper 61 moves about simultaneously and is located hollow and opening part, and the tip in concave groove is the arc, with sleeve 13's shape looks adaptation. The fine adjustment mechanism 7 comprises a spring 14 and a fine adjustment bolt 15, the spring 14 is arranged between the limiting block 61 and the groove wall of the concave groove, one end of the fine adjustment bolt 15 penetrates through the other groove wall of the concave groove, and the penetrating part of the fine adjustment bolt is in contact with the limiting block 61. The groove wall of the concave groove and the limiting block 61 are both provided with a spring groove, and two ends of the spring 14 are respectively connected with one spring groove. Through rotating fine setting bolt 15, make stopper 61 remove on the lower extreme opening and the concave groove of sleeve 13, and then the direction of rotation of adjustment horizontal pole 6, make laser instrument 8 rotate for last armed lever 5, reach the fine setting to laser instrument 8, simultaneously, after reverse rotation fine setting bolt 15, spring 14 produces the motive force to stopper 61, make horizontal pole 6 carry out reverse rotation, thereby make laser instrument 8 carry out reverse rotation for last armed lever 5, reach the fine setting to laser instrument 8.

Specifically, as shown in fig. 2, the loop bar 9 includes an upper loop bar and a lower loop bar, the lower loop bar is sleeved on the upper loop bar, a fixing bolt is arranged on the lower loop bar, the fixing bolt penetrates through the outer wall of the lower loop bar and contacts with the upper loop bar, the upper end of the upper loop bar is connected with a fixing rod, one end of the fixing rod is connected with the target 10, and the target 10 is located above the side of the laser 8. Through twisting fixing bolt, make down the loop bar move on last loop bar, and then adjust the height of loop bar, thereby the height of adjustment dead lever makes the height of target 10 change, after the height of adjustment loop bar 9, according to the height of loop bar 9, set for the distance between the target paper upper circular ring that target 10 pasted, make the target paper need match the target paper that corresponds the deviant scale of the angle of this height when the height of loop bar 9, reach the position of accepting the light source behind the 8 excitation light source of laser instrument of accepting.

Specifically, the laser 8 is provided with an excitation light source, the excitation light source is a light emitting diode, the laser 8 is connected with a power line, the power line is connected with a power supply through a power line plug, a switch for opening the excitation light source is arranged on the laser 8, and the switch is connected with the power line.

The specific application method is as shown in fig. 5, a standard block with a specific angle value is placed on the object stage 2, the switch of the laser 8 is turned on, the laser light source of the laser 8 emits a laser spot, the laser spot irradiates the upper surface of the angle standard block and is reflected by the upper surface, the distance between the circular rings on the target paper pasted by the target 10 is set according to the height of the loop bar 9, the target paper matched with the scale of the angle deviation value corresponding to the height when the target paper is at the height of the loop bar 9 is as shown in fig. 7, then the target paper matched with the scale of the angle deviation value corresponding to the height of the loop bar 9 is pasted on the target 10, the reflected light spot is positioned near the target 10 or on the target 10, by screwing the locking screw 12 on the coarse adjustment mechanism 4, the upper arm rod 5 is rotated left and right on the concave block 11, the position of a cross rod 6 connected with the upper arm rod 5 is adjusted, the position of a laser 8 is further adjusted, the position of a reflected light spot is adjusted, the reflected light spot is located at or near the central point of a target 10, at the moment, a fine adjustment bolt 15 on a fine adjustment mechanism 7 is rotated, a limiting block 61 is made to move on the lower end opening and the concave groove of a sleeve 13, the rotation direction of the cross rod 6 is further adjusted, the laser 8 is made to rotate relative to the upper arm rod 5, the position of the reflected light spot is adjusted, fine adjustment of the laser 8 is achieved, the reflected light spot is located at the central point of the target 10, and after the laser light spot is adjusted to the central position of the target, the positions among the laser light source, the angle standard block and the target 10 are set to be standard positions. The system deviation calculated by the distance between the current target 10 and the standard block is about +/-3 ', and the process technical requirement of less than 5' during angle adjustment is met.

And taking down the angle standard block, putting the workpiece with the angle to be adjusted on the angle standard block, enabling the laser spot to be irradiated on the upper surface of the workpiece, and reflecting the laser spot to the target 10 on the upper surface. If the position of the light spot on the target 10 is shifted from the center point, i.e. the value of the angle deviation from the standard value can be read more accurately by the position of the light spot moving on the target 10, the operator can change the position of the light spot on the target by adjusting the pitch of the workpiece until the light spot falls within the deviation range allowed by the process specification.

The principle of calculating the angular offset is shown in fig. 6, and the calculation method is as follows:

L＝a*tan(2θ)

wherein: l is the light spot offset;

a is the linear distance between the stage 2 and the target 10;

theta is the value of the angle at which the workpiece is tilted.

As can be seen from the above formula, the larger the linear distance a between the stage 2 and the target 10, the higher the measurement accuracy of the system.

After an operator adjusts the pitching of the workpiece to enable the light spot to fall within a process allowable deviation range on the target paper, the dispenser is operated to enable a glue outlet of the rubber tube erected above the workpiece to drip the quick-drying glue with a fixed glue amount, and due to the fact that the quick-drying glue has the characteristic of second drying, the operator only needs to keep the light spot within the process allowable deviation range on the target for 2-3 seconds after the quick-drying glue is dripped to leave the hand, and therefore the posture and the angle of the workpiece are fixed. After the workpiece has been further fixed, a subsequent grinding operation can be carried out until the upper surface of the workpiece is ground to the working surface 19 shown in fig. 1.

It should be noted that, in the present invention, the connection relation of the components not particularly mentioned is the default of the prior art, and the connection relation of the structure is not described in detail since it does not relate to the invention point and is a common application of the prior art.

It should be noted that, when the present invention relates to numerical ranges, it should be understood that two endpoints of each numerical range and any value between the two endpoints can be selected, and since the steps and methods adopted are the same as those of the embodiments, in order to prevent redundant description, the present invention describes a preferred embodiment. While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (8)

1. A lenticular lens angle control device, comprising

The device comprises a base (1), wherein an object stage (2) is arranged at the upper end of the base (1), a lower arm rod (3) is arranged at the upper end of the base (1) and on the side of the object stage (2), and the upper end of the lower arm rod (3) is rotatably connected with the lower end of an upper arm rod (5) through a coarse adjustment mechanism (4);

one end of the cross rod (6) is rotatably connected with the upper end of the upper arm rod (5) through a fine adjustment mechanism (7), and the other end of the cross rod is provided with a laser (8);

the loop bar (9) is arranged on the base (1) and is positioned on the side of the lower arm bar (3), and a target (10) is arranged on the loop bar (9);

the rough adjusting mechanism (4) and the fine adjusting mechanism (7) adjust laser spots emitted by the laser (8) to enable the spots to be reflected to the target (10) through the objective table (2).

2. The lenticular lens angle control device according to claim 1, wherein the coarse adjustment mechanism (4) comprises a concave block (11) and a locking screw (12), the upper end of the lower arm (3) is connected with the lower end of the concave block (11), the lower end of the upper arm (5) is rotatably connected in the concave block (11), and one end of the locking screw (12) penetrates through the outer wall of the concave block (11) and the penetrating part is in contact with the outer wall of the upper arm (5).

3. The lenticular angle control device of claim 1, wherein the upper arm (5) is provided with a sleeve (13) at its upper end, the lower end of the sleeve (13) is open, and one end of the cross bar (6) is rotatably fitted over the sleeve (13).

4. The lenticular angle control device according to claim 3, characterized in that the upper end of the upper arm (5) is a concave groove, the opening of the concave groove is communicated with the opening, a lower wall of one end of the cross bar (6) is provided with a stop block (61), and the stop block (61) is movably positioned at the hollow and the opening at the same time.

5. The lenticular angle control device of claim 4, characterized in that the fine adjustment mechanism (7) comprises a spring (14) and a fine adjustment bolt (15), the spring (14) is disposed between the stopper (61) and a groove wall of the concave groove, one end of the fine adjustment bolt (15) penetrates through the other groove wall of the concave groove and a penetrating portion is in contact with the stopper (61).

6. The lenticular angle control device of claim 5, wherein the groove wall of the concave groove and the stopper (61) are each provided with a spring groove, and both ends of the spring (14) are connected to one spring groove, respectively.

7. The lenticular angle control device of claim 1, wherein the loop bar (9) comprises an upper loop bar and a lower loop bar, the lower loop bar is sleeved on the upper loop bar, the lower loop bar is provided with a fixing bolt, the fixing bolt penetrates through the outer wall of the lower loop bar and penetrates through a part to be in contact with the upper loop bar, the upper end of the lower loop bar is connected with a fixing rod, one end of the fixing rod is connected with the target (10), and the target (10) is located above and laterally above the laser (8).

8. The lenticular angle control device of claim 1, wherein the laser (8) has an excitation light source, which is a light emitting diode.

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