Optical element anti-drop positioning structure

Abstract

The utility model discloses an optical element anti-drop positioning structure, which belongs to the technical field of optical elements, and comprises a positioning base, the surface of the positioning base is provided with a mounting hole, the top end of the positioning base is fixedly connected with a lifting box, and one end of the lifting box is provided with a rotating assembly. The other end of the rotating assembly penetrates through the lifting box and is provided with a screw rod, the outer surface of the screw rod is in threaded connection with a lifting seat, the top end of the lifting seat is fixedly connected with a supporting column, the top end of the supporting column penetrates through the lifting box and is fixedly connected with a positioning seat, and a positioning groove is formed in the surface of the positioning seat; and an adjusting assembly used for adjusting the positioning distance is arranged in an inner cavity of the positioning groove, a positioning block is fixedly connected to the top end of the adjusting assembly, and an anti-disengaging groove is formed in the surface of the positioning block, so that the stability during optical element machining is improved, and the machining quality during optical element machining is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of optical elements, and particularly relates to an anti - detachment positioning structure for optical elements. Background Art

[0002] Optical parts, also known as optical elements, are the basic components of an optical system. Most optical parts play a role in imaging, such as lenses, prisms, mirrors, etc. When processing the surface of an optical element, a positioning device is usually required to assist in positioning the optical element.

[0003] In the existing positioning device, the surface of the optical element is generally fixed by clamping blocks at both ends. However, when the force generated during the processing of the optical element is relatively large, it is easy for the optical element to slide on the surface of the clamping blocks, resulting in the deviation of the processing position of the optical element. When the force is relatively large, it is easy to break away from the clamping blocks at both ends, thereby reducing the stability during the processing of the optical element and the processing quality of the optical element.

[0004] In response to the above - mentioned technical problems, for example, a special - shaped optical element optical axis positioning and processing device provided by the publication number CN216265643U belongs to the technical field of special - shaped optical element processing. The key points of its technical solution include a processing table. A placement table is fixedly installed in the middle of the upper end surface of the processing table. A laser positioning lamp is embedded in the upper end surface of the placement table. Three uniformly distributed support tables are fixedly installed on the upper end surface of the processing table. A plurality of limit grooves are provided on the upper end surfaces of the three support tables. Thus, by installing the processing table on the processing equipment of the special - shaped optical element, the beam of the laser positioning lamp passes through the special - shaped optical element, and the position of the special - shaped optical element is adjusted so that its central part and the beam of the laser positioning lamp are on the same longitudinal axis. Then, the electric push rod pushes the clamping plate to move along the sliding groove, prompting the clamping plate to push the clamping head towards the special - shaped optical element, so as to achieve centering clamping of the special - shaped optical element and facilitate the optical axis positioning and processing of the special - shaped optical element.

[0005] According to the above - introduced positioning device, when the force generated during the processing of the optical element is relatively large, it is easy for the optical element to slide on the surface of the clamping blocks, resulting in the deviation of the processing position of the optical element. When the force is relatively large, it is easy to break away from the clamping blocks at both ends, thereby reducing the stability during the processing of the optical element and the processing quality of the optical element. Therefore, we need to propose an anti - detachment positioning structure for optical elements. Summary of the Utility Model

[0006] The purpose of the present utility model is to provide an anti - detachment positioning structure for optical elements. Through the cooperation of the adjusting components, the distance between the positioning blocks can be adjusted, driving the positioning blocks to fit with the optical elements, so that both ends of the optical elements enter the inner cavity of the anti - detachment grooves. Through the setting of the anti - detachment grooves, the optical elements are prevented from detaching from the inside of the positioning blocks, thereby improving the stability during the processing of optical elements and enhancing the processing quality during the processing of optical elements, so as to solve the problems raised in the above - mentioned background technology.

[0007] To achieve the above - mentioned purpose, the present utility model provides the following technical solution: An anti - detachment positioning structure for optical elements, including a positioning base. An installation hole is provided on the surface of the positioning base. A lifting box is fixedly connected to the top end of the positioning base. A rotating component is arranged at one end of the lifting box. The other end of the rotating component penetrates through the lifting box and is provided with a screw rod. The screw rod is located inside the lifting box. Both ends of the screw rod are rotationally connected to the inner side wall of the lifting box through rotating shafts. A lifting seat is threadedly connected to the outer surface of the screw rod. A support column is fixedly connected to the top end of the lifting seat. The top end of the support column penetrates through the lifting box and is fixedly connected to a positioning seat. A positioning groove is provided on the surface of the positioning seat. An adjusting component for adjusting the positioning distance is arranged inside the positioning groove. A positioning block is fixedly connected to the top end of the adjusting component. An anti - detachment groove is provided on the surface of the positioning block.

[0008] Exemplarily, the rotating component includes a rotating rod. The outer surface of the rotating rod is rotationally connected to the surface of the lifting box through a rotating shaft. One end of the rotating rod penetrates through the lifting box and is fixedly connected to a first gear. The surface of the first gear is meshed with a second gear. A through - hole is provided at the center of the second gear. The inner cavity of the through - hole of the second gear is inserted and fixed to the outer surface of the screw rod. A knob is fixedly connected to the other end of the rotating rod.

[0009] Exemplarily, anti - slip grooves are provided on the outer surface of the knob. There are several groups of anti - slip grooves. Several groups of anti - slip grooves are distributed around the center on the outer surface of the knob. The anti - slip grooves and the gear combination are arranged in a gear - like shape.

[0010] Exemplarily, the shapes of both the first gear and the second gear are conical. The angle formed by the combination of the first gear and the second gear is set at a right angle of 90 degrees.

[0011] Exemplarily, sliding sleeves are inserted and fixed around the surface of the lifting seat. A sliding rod is inserted and slid in the inner cavity of the sliding sleeve. Both ends of the sliding rod are fixedly connected to the inner side wall of the lifting box.

[0012] Exemplarily, the adjusting assembly includes a bidirectional threaded rod located in the inner cavity of the positioning groove and rotatably connected to the inner side wall of the positioning groove through a rotating shaft. One end of the bidirectional threaded rod penetrates through the positioning groove and is fixedly connected to a crank. Both ends of the outer surface of the bidirectional screw are threadedly connected with sliding seats, and one end of each sliding seat can be fixedly connected to the surface of a positioning block.

[0013] Exemplarily, there are two groups of the positioning grooves, and the positions of the two groups of positioning grooves are arranged in a staggered manner.

[0014] Exemplarily, the inner cavity of the anti - detachment groove is arc - shaped, and a silica gel pad is bonded to the inner side wall of the anti - detachment groove. Anti - slip particles are arranged on the surface of the silica gel pad.

[0015] Exemplarily, through holes are formed at both ends of the sliding seat, and a support rod is inserted and slid in the inner cavity of the through hole of the sliding seat. Both ends of the support rod are fixedly connected to the inner side wall of the positioning groove.

[0016] Exemplarily, a limiting plate is arranged in the inner cavity of the lifting box. There are two groups of the limiting plates, and the two groups of limiting plates are located between the lifting seat and the first gear.

[0017] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0018] 1. The present utility model provides an anti - detachment positioning structure for optical elements. Through the cooperation of the adjusting assembly, the distance between the positioning blocks can be adjusted, driving the positioning blocks to fit with the optical element, so that both ends of the optical element enter the inner cavity of the anti - detachment groove. Through the setting of the anti - detachment groove, the optical element is prevented from detaching from the inside of the positioning block, thereby improving the stability during the processing of the optical element and enhancing the processing quality of the optical element.

[0019] 2. The present utility model provides an anti - detachment positioning structure for optical elements. By rotating the rotating assembly to drive the screw to rotate, and through the threaded connection between the screw and the lifting seat, when the screw rotates, it can drive the lifting seat to move. The up - and - down movement of the lifting seat can drive the positioning seat to move up and down through the support column, realizing the adjustment of the positioning height after the optical element is positioned, and facilitating the adjustment of the processing depth of the optical element.

[0020] Other features and advantages of the present utility model will be described in the subsequent description, and part of them will become obvious from the description, or be understood by implementing the present utility model. The objectives and other advantages of the present utility model can be achieved and obtained through the structures pointed out in the description and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic structural diagram of the whole of the present utility model;

[0022] Figure 2 This is a schematic structural view of the utility model from above;

[0023] Figure 3 This is a schematic structural view of the utility model from the side;

[0024] Figure 4 This is a schematic structural view of the partial cross-section of the utility model;

[0025] Figure 5 This is a schematic structural view of the decomposition of the sliding seat and the positioning block of the utility model;

[0026] Figure 6 This is a schematic structural view of the positioning seat of the utility model from above;

[0027] In the figure: 1, positioning base; 2, lifting box; 3, rotating assembly; 31, rotating rod; 32, first gear; 33, second gear; 34, knob; 4, screw rod; 5, lifting seat; 6, support column; 7, positioning seat; 8, positioning groove; 9, adjusting assembly; 91, bidirectional threaded rod; 92, rocking handle; 93, sliding seat; 10, positioning block; 11, anti-detachment groove; 12, anti-slip groove; 13, sliding sleeve; 14, sliding rod; 15, silicone pad; 16, support rod; 17, limiting plate. Specific embodiments

[0028] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the protection scope of the present utility model.

[0029] The present utility model provides an anti-detachment positioning structure for an optical element as shown in Figures 1 to 6 Figure, including a positioning base 1, an installation hole is opened on the surface of the positioning base 1, a lifting box 2 is fixedly connected to the top end of the positioning base 1, a rotating assembly 3 is arranged at one end of the lifting box 2, the other end of the rotating assembly 3 penetrates through the lifting box 2 and is provided with a screw rod 4, the screw rod 4 is located in the inner cavity of the lifting box 2, both ends of the screw rod 4 are rotatably connected to the inner side wall of the lifting box 2 through rotating shafts, a lifting seat 5 is threadedly connected to the outer surface of the screw rod 4, a support column 6 is fixedly connected to the top end of the lifting seat 5, the top end of the support column 6 penetrates through the lifting box 2 and is fixedly connected to a positioning seat 7, a positioning groove 8 is opened on the surface of the positioning seat 7, an adjusting assembly 9 for adjusting the positioning distance is arranged in the inner cavity of the positioning groove 8, a positioning block 10 is fixedly connected to the top end of the adjusting assembly 9, and an anti-detachment groove 11 is opened on the surface of the positioning block 10;

[0030] Take the optical element and move it to the positioning seat 7. Rotate the adjustment component 9 to adjust the distance between the two end positioning blocks 10. The positioning blocks 10 are attached to the optical element, so that both ends of the optical element enter the inner cavity of the anti - detachment groove 11, positioning the optical element. Subsequently, rotate the rotation component 3 to drive the screw 4 to rotate. The screw 4 is thread - connected with the lifting seat 5, so that when the screw 4 rotates, it can drive the lifting seat 5 to move. The up - and - down movement of the lifting seat 5 can drive the positioning seat 7 to move up and down through the support column 6, realizing the adjustment of the positioning height after positioning the optical element, facilitating the adjustment of the processing depth of the optical element. When processing the optical element, through the setting of the anti - detachment groove 11, the positioning effect of the positioning block 10 on the optical element is increased, avoiding the optical element being detached from the inside of the positioning block 10 under a large force, thus improving the stability during the processing of the optical element and the processing quality when processing the optical element.

[0031] The rotation component 3 includes a rotating rod 31. The outer surface of the rotating rod 31 is rotationally connected to the surface of the lifting box 2 through a rotating shaft. One end of the rotating rod 31 penetrates through the lifting box 2 and is fixedly connected with a first gear 32. The surface of the first gear 32 is meshed with a second gear 33. A through - hole is opened at the center of the second gear 33, and the inner cavity of the through - hole of the second gear 33 is inserted and fixed to the outer surface of the screw 4. The other end of the rotating rod 31 is fixedly connected with a knob 34. Rotating the knob 34 drives the rotating rod 31 to rotate, so that the rotating rod 31 rotates to drive the first gear 32 at the other end to rotate. The first gear 32 rotates to drive the second gear 33 to rotate through meshing connection, so that the second gear 33 rotates to drive the screw 4 to rotate. The screw 4 drives the lifting seat 5 to move up and down through thread connection.

[0032] The outer surface of the knob 34 is provided with a plurality of anti - slip grooves 12. The plurality of anti - slip grooves 12 are distributed around the center on the outer surface of the knob 34. The anti - slip grooves 12 and the gear combination are arranged in a gear - like shape. When the staff needs to adjust the processing depth, rotate the knob 34. Through the setting of the anti - slip grooves 12, the friction between the knob 34 and the staff's hand is increased, avoiding the phenomenon of slipping when the staff twists the knob 34, which provides convenience for the staff to twist the knob 34.

[0033] The shapes of both the first gear 32 and the second gear 33 are conical. The angle after the combination of the first gear 32 and the second gear 33 is set at a right angle of 90 degrees. The rotating rod 31 drives the first gear 32 to rotate longitudinally. The first gear 32 drives the second gear 33 to rotate through meshing connection. Through the shape and angle settings of the first gear 32 and the second gear 33, the rotation direction of the first gear 32 driving the second gear 33 is changed, so that the second gear 33 can rotate horizontally, and at the same time, the second gear 33 can drive the screw 4 to rotate.

[0034] Sliding sleeves 13 are inserted and fixed around the surface of the lifting seat 5. A sliding rod 14 is inserted and slidably arranged in the inner cavity of the sliding sleeve 13. Both ends of the sliding rod 14 are fixedly connected to the inner side wall of the lifting box 2. When the lifting seat 5 moves, the cooperation between the sliding sleeve 13 and the sliding rod 14 improves the stability of the lifting seat 5 when moving in the lifting box 2, avoiding the angle deviation of the lifting seat 5 when the screw rod 4 drives the lifting seat 5 to move, and avoiding the rotation of the screw rod 4 driving the lifting seat 5 to rotate.

[0035] The adjusting assembly 9 includes a bidirectional threaded rod 91. The bidirectional threaded rod 91 is located in the inner cavity of the positioning groove 8 and is rotatably connected to the inner side wall of the positioning groove 8 through a rotating shaft. One end of the bidirectional threaded rod 91 penetrates through the positioning groove 8 and is fixedly connected to a crank 92. Both ends of the outer surface of the bidirectional screw rod 4 are threadedly connected with sliding seats 93. One end of the sliding seat 93 can be fixedly connected to the surface of the positioning block 10. Rotating the crank 92 drives the bidirectional threaded rod 91 to rotate. Through the threaded connection between the bidirectional threaded rod 91 and the sliding seat 93, when the bidirectional screw rod 4 rotates, it can drive the sliding seats 93 at both ends to move, so that the sliding seats 93 can drive the positioning blocks 10 to merge or release, realizing the positioning and releasing work of the optical element.

[0036] There are two groups of positioning grooves 8, and the positions of the two groups of positioning grooves 8 are arranged in a staggered manner. Through the setting of the positioning grooves 8, the positioning range of the optical element is improved, so that the four sliding seats 93 can drive the positioning blocks 10 to position the four sides of the optical element, improving the stability of the optical element after positioning.

[0037] The inner cavity of the anti - detachment groove 11 is arc - shaped. A silica gel pad 15 is bonded to the inner side wall of the anti - detachment groove 11. Anti - slip particles are arranged on the surface of the silica gel pad 15. There are several groups of anti - detachment grooves 11, and several groups of anti - detachment grooves 11 are arranged in sequence from top to bottom on the surface of the positioning block 10. The width distance between several groups of anti - detachment grooves 11 increases in sequence from top to bottom. Through the setting of several groups of anti - detachment grooves 11, anti - detachment positioning of electronic components with different thicknesses can be carried out. Through the setting of the silica gel pad 15, the friction between the anti - detachment groove 11 and the electronic component is increased, and at the same time, it is avoided that the anti - detachment groove 11 scratches the electronic component during positioning, protecting the surface of the electronic component.

[0038] Through holes are formed at both ends of the sliding seat 93. A support rod 16 is inserted and slidably arranged in the inner cavity of the through hole of the sliding seat 93. Both ends of the support rod 16 are fixedly connected to the inner side wall of the positioning groove 8. Through the setting of the support rod 16, it is avoided that the bidirectional screw rod 4 rotates to drive the sliding seat 93 to flip, improving the stability of the sliding seat 93 when moving in the inner cavity of the positioning groove 8.

[0039] The inner cavity of the lifting box 2 is provided with two sets of limiting plates 17. The two sets of limiting plates 17 are located between the lifting seat 5 and the first gear 33. Through the arrangement of the limiting plates 17, the space between the lifting seat 5 and the first gear 33 is separated, preventing collision between the lifting seat 5 and the first gear 33 when the lifting seat 5 moves up and down in the lifting box 2, thus avoiding damage to the first gear 33 or the lifting seat 5 and enhancing the service life of the first gear 33 and the lifting seat 5.

[0040] During specific use, first, the positioning base 1 is installed on the processing table through the mounting holes. Then, take the optical element and move it above the positioning seat 7. Shake the turning handle to drive the bidirectional screw 4 to rotate. The bidirectional screw 4 drives the slide seat 93 to move through threaded connection, so that the slide seat 93 drives the positioning block 10 to fit with the optical element, making both ends of the optical element enter the inner cavity of the anti - detachment groove 11 to position the optical element. Subsequently, turn the turning handle at the other end to drive the other two sets of positioning blocks 10 to position the optical element. Then, according to the depth that the optical element needs to be processed, the staff rotates the knob 34 to drive the rotating rod 31 to rotate. The rotation of the rotating rod 31 drives the first gear 32 at the other end to rotate. The rotation of the first gear 32 drives the second gear 33 to rotate through meshing connection. The rotation of the second gear 33 drives the screw 4 to rotate. The screw 4 drives the lifting seat 5 to move up and down through threaded connection. The lifting seat 5 drives the positioning seat 7 to move up and down through the support column 6, realizing the adjustment of the processing depth.

[0041] When processing the optical element, through the arrangement of the anti - detachment groove 11, the positioning effect of the positioning block 10 on the optical element is enhanced, preventing the optical element from being detached from the inside of the positioning block 10 under a large force, thereby enhancing the stability during the processing of the optical element and improving the processing quality of the optical element.

[0042] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An anti - detachment positioning structure for an optical element, comprising a positioning base (1), characterized in that: The surface of the positioning base (1) is provided with mounting holes. The top end of the positioning base (1) is fixedly connected with a lifting box (2). One end of the lifting box (2) is provided with a rotating assembly (3). The other end of the rotating assembly (3) penetrates through the lifting box (2) and is provided with a screw rod (4). The screw rod (4) is located inside the lifting box (2). Both ends of the screw rod (4) are rotatably connected to the inner side wall of the lifting box (2) through rotating shafts. The outer surface of the screw rod (4) is threadedly connected with a lifting seat (5). The top end of the lifting seat (5) is fixedly connected with a support column (6). The top end of the support column (6) penetrates through the lifting box (2) and is fixedly connected with a positioning seat (7). The surface of the positioning seat (7) is provided with a positioning groove (8). The inner cavity of the positioning groove (8) is provided with an adjusting assembly (9) for adjusting the positioning distance. The top end of the adjusting assembly (9) is fixedly connected with a positioning block (10). The surface of the positioning block (10) is provided with an anti-detachment groove (11).

2. The anti - detachment positioning structure of an optical element according to claim 1, characterized in that: The rotating assembly (3) includes a rotating rod (31). The outer surface of the rotating rod (31) is rotatably connected to the surface of the lifting box (2) through a rotating shaft. One end of the rotating rod (31) penetrates through the lifting box (2) and is fixedly connected with a first gear (32). The surface of the first gear (32) is meshed with a second gear (33). A through hole is opened at the center of the second gear (33). The inner cavity of the through hole of the second gear (33) is inserted and fixed to the outer surface of the screw rod (4). The other end of the rotating rod (31) is fixedly connected with a knob (34).

3. The anti - detachment positioning structure of an optical element according to claim 2, characterized in that: The outer surface of the knob (34) is provided with anti-slip grooves (12). There are several groups of the anti-slip grooves (12). The several groups of anti-slip grooves (12) are distributed around the center on the outer surface of the knob (34). The anti-slip grooves (12) and the gear combination are arranged in a gear shape.

4. An anti - detachment positioning structure for an optical element according to claim 2, characterized in that: The shapes of both the first gear (32) and the second gear (33) are conical. The angle after the combination of the first gear (32) and the second gear (33) is set at a right angle of 90 degrees.

5. The anti - detachment positioning structure of an optical element according to claim 1, characterized in that: Sliding sleeves (13) are inserted and fixed around the perimeter of the surface of the lifting seat (5). A sliding rod (14) is inserted and slidably connected inside the sliding sleeve (13). Both ends of the sliding rod (14) are fixedly connected to the inner side wall of the lifting box (2).

6. The anti - detachment positioning structure of an optical element according to claim 1, characterized in that: The adjusting assembly (9) includes a bidirectional threaded rod (91). The bidirectional threaded rod (91) is located inside the positioning groove (8) and is rotatably connected to the inner side wall of the positioning groove (8) through a rotating shaft. One end of the bidirectional threaded rod (91) penetrates through the positioning groove (8) and is fixedly connected with a rocking handle (92). Both ends of the outer surface of the bidirectional screw rod (4) are threadedly connected with sliding seats (93). One end of the sliding seat (93) can be fixedly connected to the surface of the positioning block (10).

7. An anti - detachment positioning structure for an optical element according to claim 1, characterized in that: There are two groups of the positioning grooves (8). The positions of the two groups of positioning grooves (8) are arranged in a staggered manner.

8. An anti-disengagement positioning structure for an optical element according to claim 1, characterized in that: The inner cavity of the anti-detachment groove (11) is arc-shaped. A silica gel pad (15) is bonded to the inner side wall of the anti-detachment groove (11). Anti-slip particles are arranged on the surface of the silica gel pad (15).

9. The anti - detachment positioning structure of an optical element according to claim 6, characterized in that: Through holes are formed at both ends of the sliding seat (93), and a support rod (16) is inserted and slidably arranged in the inner cavity of the through holes of the sliding seat (93). Both ends of the support rod (16) are fixedly connected to the inner side walls of the positioning grooves (8).

10. The anti - detachment positioning structure of an optical element according to claim 2, wherein: A limiting plate (17) is arranged in the inner cavity of the lifting box (2). There are two groups of the limiting plates (17), and the two groups of the limiting plates (17) are located between the lifting seat (5) and the first gear (33).

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