CN214502385U - Adjustable laser plane interferometer - Google Patents

Abstract

The utility model relates to an adjustable laser plane interferometer, including frame, connecting seat and laser instrument, connecting seat horizontal connection is on the lateral wall of frame, the laser instrument is located the below of connecting seat, be equipped with fixed subassembly on the connecting seat, fixed subassembly sets up with the laser instrument relatively from top to bottom, be equipped with the adjusting part who is used for adjusting fixed subassembly level and slides in the connecting seat, adjusting part includes clamping piece, guide and the driving piece that the drive clamping piece level of centre gripping is slided in the fixed subassembly both sides, the one end of guide is connected on the lateral wall of connecting seat, the other end of guide is connected on the outer wall of clamping piece. In this application, through the position of the adjustable optical lens piece of adjusting part on the connecting seat, look for the position of ideal light ring, then judge the face type of optical lens piece according to the ideal light ring, have the effect that improves the testing result accuracy.

Description

Adjustable laser plane interferometer

Technical Field

The application relates to the technical field of interferometers, in particular to an adjustable laser plane interferometer.

Background

The laser plane interferometer is an optical precision measuring instrument, is generally applied to optical workshops, laboratories and measuring rooms, and can precisely measure the tiny wedge angle of an optical flat plate, the uniformity of the refractive index of an optical material, the flatness of an optical coating surface and the like.

Chinese patent with publication number CN211042125U in the related art discloses a prevent laser plane interferometer of work piece from examining test table landing, including bottom plate and fixing device, fixing device includes the montant, montant lower extreme fixed mounting has the screw thread to detain, be equipped with the screw hole on the bottom plate, the montant passes through the screw thread to detain in the joint threaded hole with bottom plate fixed connection, the montant left end is opened there is the shifting chute, sliding connection has the movable block in the shifting chute, movable block left end fixedly connected with telescopic link, telescopic link front end fixedly connected with adjust knob, telescopic link front end fixedly connected with clamp ring.

According to the related art, when the optical lens is fixed, the optical lens is placed on the bottom plate, the compression ring is pressed on the optical lens through the adjusting knob, however, the position of the optical lens on the bottom plate needs to be adjusted for multiple times in the detection process, the position of an ideal aperture is found, then the surface type of the optical lens is judged according to the ideal aperture, the position of the optical lens is difficult to adjust in the detection process of the laser plane interferometer of the related art, and the accuracy of the detection result is low.

SUMMERY OF THE UTILITY MODEL

In order to improve the accuracy of testing result, this application provides an adjustable laser plane interferometer.

The application provides an adjustable laser plane interferometer adopts following technical scheme:

the utility model provides an adjustable laser plane interferometer, includes frame, connecting seat and laser instrument, connecting seat horizontal connection is on the lateral wall of frame, the laser instrument is located the below of connecting seat, be equipped with fixed subassembly on the connecting seat, fixed subassembly sets up with the laser instrument relative from top to bottom, be equipped with the adjusting part that is used for adjusting fixed subassembly level and slides in the connecting seat, adjusting part includes clamping piece, guide and the driving piece that the drive clamping piece level of centre gripping is slided in fixed subassembly both sides, the one end of guide is connected on the lateral wall of connecting seat, the other end of guide is connected on the outer wall of clamping piece.

By adopting the technical scheme, the optical lens is fixed on the connecting seat through the fixing component, then the driving part is adjusted, so that the clamping part is far away from the fixing component, the position of the optical lens on the connecting seat is adjusted, the position of an ideal aperture is found, and then the surface type of the optical lens is judged according to the ideal aperture; the accuracy of the detection result is improved.

Optionally, the clamping piece comprises a clamping block, and the surface of the clamping block facing the fixing assembly is attached to the side wall of the fixing assembly.

Through adopting above-mentioned technical scheme, the setting of pressing from both sides tight piece is convenient for to fixed subassembly's fixed, prevents that fixed subassembly from sliding in the connecting seat.

Optionally, the guide piece includes slide bar and a fixed section of thick bamboo, a fixed section of thick bamboo fixed connection is on the inside wall of connecting seat, be equipped with the spout that is used for supplying slide bar level to slide on the fixed section of thick bamboo, slide bar's one end is inserted spout and a fixed section of thick bamboo sliding connection, slide bar's other end fixed connection is on the lateral wall of pressing from both sides tight piece.

Through adopting above-mentioned technical scheme, the pole that slides is at the in-process that slides, and fixed cylinder has certain limiting displacement to the pole that slides for the pole that slides along the axis direction of fixed cylinder.

Optionally, the driving piece includes an adjusting threaded rod, adjusting threaded rod threaded connection is in the connecting seat, just adjusting threaded rod stretches into the one end rotation connection in the connecting seat and is on the lateral wall of pressing from both sides tight piece.

Through adopting above-mentioned technical scheme, adjust the setting of threaded rod for just can adjust the position of pressing from both sides tight piece, convenient operation outside the connecting seat.

Optionally, one end of the clamping block is provided with a convex block, and a groove for the convex block to slide is formed in the inner side wall of the connecting seat.

Through adopting above-mentioned technical scheme, the setting of lug has reduced the frictional force between the tight piece of clamp and the connecting seat, and the tight piece of clamp of being convenient for slides in the connecting seat.

Optionally, the fixing assembly comprises a fixing seat, a convex ring, a plurality of tightening plates and a plurality of fixing bolts, the fixing seat is located in the connecting seat, a light transmitting hole is formed in the connecting seat, the convex ring is located on the upper surface of the fixing seat and extends out of the light transmitting hole, the tightening plates are fixed on the convex ring through the fixing bolts, a light transmitting hole is vertically formed in the center of the fixing seat in a penetrating mode, and one end of the tightening plates faces the light transmitting hole.

Through adopting above-mentioned technical scheme, unscrew fixing bolt, the one end that will support the tight board supports tightly on optical lens's perisporium, screws up fixing bolt, and optical lens fixes in logical unthreaded hole, and the setting of bulge loop is convenient for support the fixed of tight board.

Optionally, the upper surface of the convex ring is provided with a tightening groove for allowing the tightening plate to slide, the surface of the tightening plate is provided with a sliding hole for allowing the fixing bolt to slide, and one end of the fixing bolt penetrates through the sliding hole and is in threaded connection with the tightening groove.

Through adopting above-mentioned technical scheme, unscrew fixing bolt, adjust the position of supporting tightly the board, support tightly the board and slide at supporting tightly the inslot, will support tightly the one end of board and support tightly on optical lens's perisporium, screw up fixing bolt, optical lens fixes at logical unthreaded hole, and the setting up of sliding hole makes fixed subassembly can fix the optical lens of unidimensional not, has improved fixed subassembly's suitability.

Optionally, the bottom of the end surface of the abutting plate extends horizontally to form abutting plates, the optical lenses are erected on the abutting plates, and the optical lenses are clamped between the abutting plates.

Through adopting above-mentioned technical scheme, the setting of butt board is favorable to supporting tight the board to supporting tightly of optical lens, has improved the steadiness of the fixed optical lens of fixed subassembly.

Optionally, the adjusting device further comprises a coarse adjusting component, the coarse adjusting component comprises an adjusting frame and a coarse adjusting bolt, a sliding rail is vertically arranged on the side wall of the rack, a sliding groove for the sliding rail to slide is formed in the adjusting frame, a coarse adjusting threaded hole communicated with the sliding groove is formed in the adjusting frame, the adjusting frame is fixedly connected to the sliding rail through the coarse adjusting bolt, and the connecting seat is horizontally and fixedly connected to the adjusting frame.

By adopting the technical scheme, the rough adjusting bolt is unscrewed, and the adjusting frame is moved, so that the adjusting frame slides on the sliding track, the height of the optical lens is adjusted, and the adjusting flexibility of the device is improved.

Optionally, the connecting seat is connected on the adjusting frame through the fine setting subassembly, the fine setting subassembly includes fine setting threaded rod and fine setting piece, the fine setting piece slides and connects on the track that slides, the vertical setting of fine setting threaded rod, and fine setting threaded rod threaded connection is in the fine setting piece, the bottom of fine setting threaded rod is rotated and is connected on the adjusting frame, connecting seat horizontal connection is on the fine setting piece.

Through adopting above-mentioned technical scheme, at the in-process that detects, rotate the fine setting threaded rod, remove the fine setting piece for the fine setting piece slides on the track that slides, thereby fine setting optical lens's height has further improved the flexibility that the device was adjusted.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the position of the optical lens on the connecting seat can be adjusted through the adjusting assembly, the position of an ideal aperture is found, then the surface type of the optical lens is judged according to the ideal aperture, and the accuracy of a detection result is improved;

2. the fixing component can fix optical lenses with different sizes, so that the applicability of the fixing component is improved;

3. the height of the optical lens can be adjusted through the coarse adjustment component, and the flexibility of adjustment of the device is improved.

Drawings

Fig. 1 is a schematic structural view for embodying the entirety.

Fig. 2 is a schematic structural view for embodying the adjustment assembly.

Fig. 3 is a schematic structural view for embodying the fixing member.

Fig. 4 is a schematic diagram of a structure for embodying a coarse adjustment component and a fine adjustment component.

Description of reference numerals: 1. a frame; 11. a sliding track; 2. a connecting seat; 21. a light-transmitting hole; 22. a fixed block; 221. adjusting the threaded hole; 222. locking the threaded hole; 23. a groove; 3. an adjustment assembly; 31. a clamping block; 32. a slide bar; 33. a fixed cylinder; 331. a chute; 34. adjusting the threaded rod; 35. a rod cap; 351. anti-skid lines; 36. locking the bolt; 37. a bump; 38. a guide member; 4. a fixing assembly; 41. a fixed seat; 411. a light through hole; 412. a convex ring; 413. abutting against the groove; 42. a propping plate; 421. a sliding hole; 43. fixing the bolt; 44. a butt joint plate; 5. a coarse tuning component; 51. an adjusting frame; 511. a sliding groove; 512. roughly adjusting the threaded hole; 52. roughly adjusting the bolts; 6. a laser instrument; 7. a fine tuning component; 71. finely adjusting the threaded rod; 72. fine tuning blocks; 721. and finely adjusting the threaded hole.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses an adjustable laser plane interferometer.

Referring to fig. 1, the adjustable laser plane interferometer comprises a frame 1, a connecting seat 2, an adjusting component 3, a fixing component 4, a coarse adjusting component 5 and a laser instrument 6, wherein the laser instrument 6 is arranged at the bottom end of the frame 1, the connecting seat 2 is horizontally arranged on the side wall of the frame 1 through the coarse adjusting component 5, and the fixing component 4 is arranged on the connecting seat 2 through the adjusting component 3 and is positioned above the laser instrument 6; firstly install optical lens on fixed subassembly 4, then adjust optical lens's height through coarse adjusting subassembly 5, laser instrument 6 detects optical lens, and at the in-process that detects, accessible adjusting part 3 adjusts optical lens position on connecting seat 2.

Referring to fig. 1 and 2, a light hole 21 vertically penetrates through a connecting seat 2, a cavity communicated with the light hole 21 is arranged in the connecting seat 2, an adjusting component 3 is positioned in the cavity, the adjusting component 3 comprises clamping pieces clamped at two sides of a fixing component 4, a guide piece 38 and a driving piece for driving the clamping pieces to horizontally slide, the clamping pieces comprise clamping blocks 31, the guide piece 38 comprises a sliding rod 32 and a fixing cylinder 33, one end of the fixing cylinder 33 is fixedly connected to the inner side wall of the connecting seat 2, a sliding groove 331 for the sliding rod 32 to slide is arranged on the end face of the other end of the fixing cylinder 33, one end of the sliding rod 32 is inserted into the sliding groove 331 and is slidably connected with the fixing cylinder 33, the other end of the sliding rod 32 is fixedly connected to the side wall of the clamping block 31, a fixing block 22 horizontally extends on the side wall of the connecting seat 2, an adjusting threaded hole 221 is arranged on the surface of the fixing block 22, the driving piece comprises an adjusting threaded rod 34, one end of the adjusting threaded rod 34 penetrates through the adjusting threaded hole 221 and extends into the cavity and is rotatably connected to the side wall of the clamping block 31, the other end of the adjusting threaded rod 34 is provided with a rod cap 35, the peripheral wall of the rod cap 35 is provided with anti-skidding threads 351, the end face of the fixing block 22 is provided with a locking threaded hole 222 communicated with the adjusting threaded hole 221, the locking bolt 36 is in threaded connection with the locking threaded hole 222, one end of the locking bolt 36 is tightly abutted to the outer wall of the adjusting threaded rod 34, the adjusting threaded rod 34 is fixed in the adjusting threaded hole 221 through the locking bolt 36, one end, far away from the adjusting threaded rod 34, of the clamping block 31 is provided with a convex block 37, the inner side wall of the connecting seat 2 is provided with a groove 23 for the convex block 37 to slide, and the fixing component 4 is positioned between the two clamping blocks 31; the locking bolt 36 is unscrewed, the adjusting threaded rod 34 is rotated reversely, the clamping block 31 is far away from the fixed component 4 in the connecting seat 2, the sliding rod 32 slides into the sliding groove 331 under the driving of the clamping block 31, the convex block 37 slides in the groove 23, the fixed component 4 is moved, the position of the fixed component 4 in the connecting seat 2 is adjusted, the adjusting threaded rod 34 is rotated forwardly again, the clamping block 31 clamps the fixed component 4, the sliding rod 32 slides out of the sliding groove 331, and the locking bolt 36 is screwed.

Referring to fig. 3, the fixing assembly 4 includes a fixing seat 41, a convex ring 412, a plurality of abutting plates 42 and a plurality of fixing bolts 43, the fixing seat 41 is located in the connecting seat 2, a light through hole 411 vertically penetrates through the surface of the fixing seat 41, the convex ring 412 is fixedly connected to the surface of the fixing seat 41, an abutting groove 413 for allowing the abutting plate 42 to slide is arranged on the upper surface of the convex ring 412, a sliding hole 421 for allowing the fixing bolt 43 to slide is arranged on the surface of the abutting plate 42, one end of the fixing bolt 43 penetrates through the sliding hole 421 and is in threaded connection with the abutting groove 413, the screw head of the fixing bolt 43 abuts against the surface of the abutting plate 42, an abutting plate 44 horizontally extends from the bottom of the end surface of the abutting plate 42, and the abutting plate 44 is located in the light through hole 411; the fixing bolt 43 is loosened, the abutting plate 42 is moved in the abutting groove 413, the fixing bolt 43 slides in the sliding hole 421, the optical lens is placed on the abutting plate 44, the abutting plate 42 clamps the optical lens, the fixing bolt 43 is tightened, and the optical lens is fixed on the fixing seat 41.

Referring to fig. 4, the rough adjusting assembly 5 includes an adjusting frame 51 and a rough adjusting bolt 52, a sliding rail 11 is vertically arranged on the side wall of the frame 1, a sliding groove 511 for the sliding rail 11 to slide is arranged on the adjusting frame 51, a rough adjusting threaded hole 512 communicated with the sliding groove 511 is arranged on the adjusting frame 51, the adjusting frame 51 is fixedly connected to the sliding rail 11 through the rough adjusting bolt 52, the rough adjusting bolt 52 is in threaded connection with the rough adjusting threaded hole 512, and one end of the rough adjusting bolt is tightly pressed against the sliding rail 11; the rough adjusting bolt 52 is loosened, and the adjusting frame 51 is moved, so that the adjusting frame 51 slides on the sliding rail 11, thereby adjusting the height of the optical lens.

Referring to fig. 4, the connecting seat 2 is connected to the adjusting frame 51 through the fine adjustment assembly 7, the fine adjustment assembly 7 includes a fine adjustment threaded rod 71 and a fine adjustment block 72, the fine adjustment block 72 is connected to the sliding rail 11 in a sliding manner and is located in the adjusting frame 51, a fine adjustment threaded hole 721 vertically penetrates through the surface of the fine adjustment block 72, one end of the fine adjustment threaded rod 71 passes through the fine adjustment threaded hole 721 and is rotatably connected to the inner bottom wall of the adjusting frame 51, and the connecting seat 2 is horizontally and fixedly connected to the side surface of the fine adjustment block 72; the fine adjustment screw rod 71 is rotated, the fine adjustment block 72 slides on the sliding track 11, and the height of the optical lens can be finely adjusted.

The implementation principle of the adjustable laser plane interferometer in the embodiment of the application is as follows: loosening the fixing bolt 43, moving the abutting plate 42 in the abutting groove 413, sliding the fixing bolt 43 in the sliding hole 421, placing the optical lens on the abutting plate 44, clamping the optical lens by the abutting plate 42, screwing the fixing bolt 43, and fixing the optical lens on the fixing seat 41; and then the rough adjusting bolt 52 is unscrewed, the adjusting frame 51 is moved, so that the adjusting frame 51 slides on the sliding track 11, and the height of the optical lens is adjusted, in the process that the laser instrument 6 detects the optical lens, the fine adjusting threaded rod 71 can be rotated, the fine adjusting block 72 is moved, the fine adjusting block 72 slides on the sliding track 11, the height of the optical lens can be finely adjusted, the locking bolt 36 can also be unscrewed, the adjusting threaded rod 34 is reversely rotated, the clamping block 31 is far away from the fixed component 4 in the connecting seat 2, the sliding rod 32 extends into the sliding groove 331 under the driving of the clamping block 31, the convex block 37 slides in the groove 23, the fixed component 4 is moved, the position of the optical lens in the horizontal direction is adjusted, then the adjusting threaded rod 34 is forwardly rotated, the clamping block 31 clamps the fixed component 4, the sliding rod 32 extends out of the sliding groove 331, and the locking bolt 36 is screwed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides an adjustable laser plane interferometer, includes frame (1), connecting seat (2) and laser instrument (6), connecting seat (2) horizontal connection is on the lateral wall of frame (1), laser instrument (6) are located the below of connecting seat (2), its characterized in that: be equipped with fixed subassembly (4) on connecting seat (2), fixed subassembly (4) and laser instrument (6) relative setting from top to bottom, be equipped with in connecting seat (2) and be used for adjusting fixed subassembly (4) horizontal slip's adjusting part (3), adjusting part (3) are including the clamping piece of centre gripping in fixed subassembly (4) both sides, guide (38) and the driving piece that drives clamping piece horizontal slip, the one end of guide (38) is connected on the lateral wall of connecting seat (2), the other end of guide (38) is connected on the outer wall of clamping piece.

2. An adjustable laser plane interferometer according to claim 1, characterised in that; the clamping piece comprises a clamping block (31), and the surface, facing the fixing assembly (4), of the clamping block (31) is attached to the side wall of the fixing assembly (4).

3. An adjustable laser plane interferometer according to claim 1, characterised in that; guide member (38) are including sliding rod (32) and a fixed section of thick bamboo (33), a fixed section of thick bamboo (33) fixed connection is on the inside wall of connecting seat (2), be equipped with spout (331) that are used for supplying sliding rod (32) horizontal slip on a fixed section of thick bamboo (33), spout (331) and a fixed section of thick bamboo (33) sliding connection are inserted to the one end of sliding rod (32), the other end fixed connection of sliding rod (32) is on the lateral wall of pressing from both sides tight piece (31).

4. An adjustable laser plane interferometer according to claim 1, characterised in that; the driving piece comprises an adjusting threaded rod (34), the adjusting threaded rod (34) is in threaded connection with the connecting seat (2), and one end of the adjusting threaded rod (34) extending into the connecting seat (2) is rotatably connected to the side wall of the clamping block (31).

5. An adjustable laser plane interferometer according to claim 2, wherein; one end of the clamping block (31) is provided with a convex block (37), and the inner side wall of the connecting seat (2) is provided with a groove (23) for the convex block (37) to slide.

6. An adjustable laser plane interferometer according to claim 1, characterised in that; fixed subassembly (4) include fixing base (41), bulge loop (412), a plurality of tight board (42) and a plurality of fixing bolt (43) of supporting, fixing base (41) are located connecting seat (2), be equipped with light trap (21) on connecting seat (2), bulge loop (412) are located the upper surface of fixing base (41), and bulge loop (412) stretch out from light trap (21), support tight board (42) and fix on bulge loop (412) through fixing bolt (43), the vertical logical unthreaded hole (411) of wearing to be equipped with in center of fixing base (41), the one end orientation of supporting tight board (42) leads to unthreaded hole (411).

7. An adjustable laser plane interferometer according to claim 6, wherein: the upper surface of the convex ring (412) is provided with a abutting groove (413) for allowing the abutting plate (42) to slide, the surface of the abutting plate (42) is provided with a sliding hole (421) for allowing the fixing bolt (43) to slide, and one end of the fixing bolt (43) penetrates through the sliding hole (421) and is in threaded connection with the abutting groove (413).

8. An adjustable laser plane interferometer according to claim 6, wherein: the bottom of the end face of the abutting plates (42) horizontally extends to form abutting plates (44), the optical lenses are erected on the abutting plates (44), and the optical lenses are clamped between the abutting plates (42).

9. An adjustable laser plane interferometer according to claim 1, wherein: the adjustable sliding rail device is characterized by further comprising a coarse adjustment assembly (5), wherein the coarse adjustment assembly (5) comprises an adjusting frame (51) and a coarse adjustment bolt (52), a sliding rail (11) is vertically arranged on the side wall of the rack (1), a sliding groove (511) for the sliding rail (11) to slide is formed in the adjusting frame (51), a coarse adjustment threaded hole (512) communicated with the sliding groove (511) is formed in the adjusting frame (51), the adjusting frame (51) is fixedly connected to the sliding rail (11) through the coarse adjustment bolt (52), and the connecting seat (2) is horizontally and fixedly connected to the adjusting frame (51).

10. An adjustable laser plane interferometer according to claim 9, wherein: connecting seat (2) are connected on adjusting frame (51) through fine setting subassembly (7), fine setting subassembly (7) are including fine setting threaded rod (71) and fine setting piece (72), fine setting piece (72) are slided and are connected on track (11) that slides, fine setting threaded rod (71) vertical setting, and fine setting threaded rod (71) threaded connection in fine setting piece (72), the bottom of fine setting threaded rod (71) is rotated and is connected on adjusting frame (51), connecting seat (2) horizontal connection is on fine setting piece (72).

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