Auxiliary combined clamp for laser interferometer

Abstract

The utility model belongs to the technical field of clamps, and particularly relates to a laser interferometer auxiliary combined clamp which comprises a base, the base is fixedly connected with a fixing plate through a fixing rod, the fixing plate is provided with an auxiliary clamp assembly, the auxiliary clamp assembly comprises a first clamping plate, and the auxiliary clamp assembly is provided with an anti-extrusion device. A cleaning device is arranged on the base, and the anti-extrusion device comprises a hinge rod. According to the auxiliary combined clamp for the laser interferometer, through the arranged anti-extrusion device, when a second clamping plate is pressed downwards to make contact with and clamp the laser interferometer, a hinge rod makes contact with the inclined face of a square block, extrusion between the moved square block and the hinge rod is relieved, and the corner of the square block prevents the hinge rod from retreating and deviating; the device prevents the hinge rod from retreating due to external force and other factors to cause unstable clamping or loosening, buffers the extrusion force through the hinge rod, prevents the laser interferometer from being damaged due to excessive extrusion, and protects the safety of the instrument.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fixture, concretely is a kind of laser interferometer auxiliary combination fixture. BACKGROUND

[0002] Laser interferometer is a kind of precision measuring instrument based on laser interference principle.It utilizes the coherence and stability of laser, and the interference fringe change of laser light wave is measured to accurately measure length, displacement, angle and other physical quantities.Laser interferometer is widely used in mechanical manufacturing, optical processing, aerospace, electronics industry and many other fields.

[0003] At present, in the prior art, laser interferometer contains many high-precision optical elements, such as reflector, beam splitter, etc., excessive extrusion may cause deformation, rupture or surface scratch of these optical elements, in view of this, we propose a kind of laser interferometer auxiliary combination fixture. UTILITY MODEL CONTENT

[0004] The main purpose of the utility model is to provide a kind of laser interferometer auxiliary combination fixture, can solve the problems proposed in the above background technology.

[0005] To achieve the above purpose, the laser interferometer auxiliary combination fixture provided by the utility model, including base, the base is fixedly connected with fixed plate by fixed rod, the fixed plate is provided with auxiliary fixture assembly, the auxiliary fixture assembly includes clamping plate one, the auxiliary fixture assembly is provided with anti-extrusion device, the base is provided with cleaning device, the anti-extrusion device includes:

[0006] Hinged rod, the surface of clamping plate one is provided with strip slot, hinged rod is slidably connected in the strip slot;

[0007] Square groove, square groove is arranged in the strip slot, and a plurality of square grooves are symmetrically arranged;

[0008] Spring, the square groove is elastically connected with square block by spring, and the square block is arranged in the strip slot.

[0009] Preferably, the auxiliary fixture assembly includes hydraulic cylinder, the surface of the fixed plate is fixedly connected with hydraulic cylinder, the output end of the hydraulic cylinder is fixedly connected with connecting plate, the connecting plate is fixedly connected with extension rod, by opening hydraulic cylinder, the output end of hydraulic cylinder drives connecting plate to move, by opening hydraulic cylinder to rise and fall, extension rod is driven to move.

[0010] Preferably, the surface of the fixed plate is fixedly connected with a fixed cylinder, the fixed cylinder is slidably connected with an extension rod, the extension rod is fixedly connected with a limiting rod through the fixed plate, the limiting rod is fixedly connected with a clamping plate one, the clamping plate one is movably connected with a clamping plate two through an anti-extrusion device, and the lifting movement of the limiting rod and the clamping plate one is driven through the movement of the extension rod.

[0011] Preferably, the cleaning device comprises a rotating threaded rod rotatably connected to the surface of the base.

[0012] Preferably, a threaded block is rotatably connected to the rotating threaded rod, a let-place groove is formed in the surface of the threaded block, and the lifting adjustment of the threaded block is driven through the rotation of the rotating threaded rod.

[0013] Preferably, a groove is formed in the inner wall of the let-place groove, a plurality of groups of the groove are arranged, and a round block is clamped in the groove.

[0014] Preferably, the round block is fixedly connected with a rotating block rotatably connected in the let-place groove, when the angle of the cleaning brush needs to be adjusted, the rotating block can be manually rotated to drive the cleaning brush to rotate around the round block in the let-place groove, so that the angle adjustment of the cleaning brush is realized.

[0015] Preferably, the rotating block is fixedly connected with the cleaning brush, and the cleaning brush is provided with antistatic property. In order to prevent static electricity from being generated in the cleaning process, the cleaning brush added with an antistatic agent can effectively reduce the generation of static electricity.

[0016] The utility model provides a kind of laser interferometer auxiliary combination fixture.It has the following beneficial effects:

[0017] (1), the laser interferometer auxiliary combination fixture is provided with anti-extrusion device, when clamping plate two is contacted and clamped to laser interferometer by pressing down, two groups of hinged rods in vertical state are extruded inward, hinged rod contacts the inclined surface of square block, and the extrusion of square block after moving is removed with hinged rod, and the corner of square block prevents the retreat of hinged rod, so that it can be ensured that clamping plate two can keep clamping laser interferometer in the process of approaching clamping plate one, and it can prevent hinged rod from retreating due to external force and other factors to cause unstable clamping or looseness, hinged rod is buffered extrusion, to avoid clamping laser interferometer due to excessive extrusion, protect the safety of instrument.

[0018] (2), the laser interferometer auxiliary combination fixture is provided with cleaning device, the lifting adjustment of threaded block is driven by the rotation of rotating threaded rod, when the angle of cleaning brush needs to be adjusted, rotating block can be manually rotated to drive cleaning brush to rotate around round block in let-place groove, so that the angle adjustment of cleaning brush is realized, and the cleaning brush added with antistatic agent can effectively reduce the generation of static electricity. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or prior art description will be briefly introduced as follows. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained according to the structures shown in the drawings without creative labor.

[0020] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present application.

[0021] Figure 2 It is a schematic diagram of the auxiliary clamp assembly structure of the present application.

[0022] Figure 3 It is a schematic diagram of the structure of the first clamp plate of the present application.

[0023] Figure 4 It is a schematic diagram of the cross-sectional structure of the first clamp plate of the present application.

[0024] Figure 5 It is a schematic diagram of the structure of the auxiliary clamp assembly of the present application. Figure 4 It is a schematic diagram of the structure of the auxiliary clamp assembly of the present application.

[0025] Figure 6 It is a schematic diagram of the structure of the cleaning device of the present application.

[0026] Figure 7 It is a schematic diagram of the exploded structure of the cleaning device of the present application.

[0027] Explanation of the reference numerals:

[0028] 1, base; 2, fixed rod; 3, fixed plate; 4, auxiliary clamp assembly; 41, hydraulic cylinder; 42, connecting plate; 43, extension rod; 44, fixed cylinder; 45, limiting rod; 46, first clamp plate; 47, second clamp plate; 5, anti-extrusion device; 51, hinged rod; 52, strip-shaped groove; 53, square groove; 54, spring; 55, square block; 6, cleaning device; 61, rotating threaded rod; 62, threaded block; 63, clearance groove; 64, groove; 65, round block; 66, rotating block; 67, cleaning brush.

[0029] The realization, functional characteristics and advantages of the present application will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION

[0030] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the scope of the utility model protection.

[0031] Please refer to Figures 1-7 The utility model provides a kind of laser interferometer auxiliary combination fixture, including base 1, base 1 is fixedly connected with fixed plate 3 by fixed rod 2, fixed plate 3 is provided with auxiliary fixture assembly 4, auxiliary fixture assembly 4 includes hydraulic cylinder 41, the surface of fixed plate 3 is fixedly connected with hydraulic cylinder 41, the output end of hydraulic cylinder 41 is fixedly connected with connecting plate 42, connecting plate 42 is fixedly connected with extension rod 43, by opening hydraulic cylinder 41, the output end of hydraulic cylinder 41 drives connecting plate 42 to move, by opening hydraulic cylinder 41 to drive the movement of extension rod 43 to rise and fall, the surface of fixed plate 3 is fixedly connected with fixed cylinder 44, fixed cylinder 44 is slidably connected with extension rod 43, extension rod 43 is fixedly connected with limit rod 45 and passes through fixed plate 3, limit rod 45 is fixedly connected with clamping plate one 46, clamping plate one 46 is movably connected with clamping plate two 47 by anti-extrusion device 5, by the movement of extension rod 43, drive the lifting movement of limit rod 45 and clamping plate one 46, auxiliary fixture assembly 4 includes clamping plate one 46, auxiliary fixture assembly 4 is provided with anti-extrusion device 5, base 1 is provided with cleaning device 6, anti-extrusion device 5 includes hinged rod 51.

[0032] In the embodiments of the utility model, in order to prevent clamp extrusion damage, protect the safety of instrument, specifically, the surface of clamping plate one 46 is provided with strip groove 52, hinged rod 51 is slidably connected in strip groove 52, one end of hinged rod 51 away from strip groove 52 is hinged on clamping plate two 47, square groove 53 is arranged in strip groove 52, a plurality of square grooves 53 are symmetrically arranged, two hinged rods 51 move towards each other, ensure the stability of movement, square block 55 is elastically connected with spring 54 in square groove 53, when clamping plate two 47 is pressed to contact and clamp to laser interferometer, two hinged rods 51 in perpendicular state are extruded inward, hinged rod 51 contacts the inclined surface of square block 55, spring 54 contracts and stores elastic potential energy, after moving, square block 55 removes the extrusion of hinged rod 51, square block 55 pops under the reset effect of spring 54, the corner of square block 55 prevents the retreat of hinged rod 51, so as to ensure that clamping plate two 47 can keep clamping laser interferometer during approaching clamping plate one 46, and prevent hinged rod 51 from retreating due to external force and other factors, which leads to unstable clamping or loosening, hinged rod 51 buffers extrusion force, avoids clamping laser interferometer due to excessive extrusion, and protects the safety of instrument.

[0033] Further, in order to reduce interference factors and ensure instrument stability, the cleaning device 6 comprises a rotating threaded rod 61 rotatably connected to the surface of the base 1, a threaded block 62 rotatably connected to the rotating threaded rod 61, a clearance groove 63 formed in the surface of the threaded block 62, a recess 64 formed in the inner wall of the clearance groove 63, a plurality of groups of the recess 64, a circular block 65 clamped in the recess 64, the circular block 65 being fixedly connected with a rotating block 66, the rotating block 66 being rotatably connected in the clearance groove 63, when the angle of the cleaning brush 67 needs to be adjusted, the rotating block 66 can be manually rotated to drive the cleaning brush 67 to rotate around the circular block 65 in the clearance groove 63, so that the angle adjustment of the cleaning brush 67 is realized, the rotating block 66 is fixedly connected with the cleaning brush 67, the cleaning brush 67 is provided with antistatic property, in order to prevent static electricity from being generated during cleaning, the cleaning brush 67 added with an antistatic agent can effectively reduce the generation of static electricity.

[0034] In the utility model, when using, through opening hydraulic cylinder 41, the output end of hydraulic cylinder 41 drives connecting plate 42 to be active, through opening hydraulic cylinder 41 and driving extension rod 43 to go down, through the activity of extension rod 43, drive the contact of limit rod 45 and clamping plate one 46 to laser interferometer;

[0035] When clamping plate two 47 is contacted and clamped to laser interferometer, two groups of hinged rods 51 in the vertical state are extruded inward, the hinged rod 51 contacts the inclined surface of square block 55, spring 54 contracts and stores elastic potential energy, the square block 55 after moving removes the extrusion of hinged rod 51, the corner of square block 55 prevents the backward deviation of hinged rod 51, so that the process that clamping plate two 47 is continuously close to clamping plate one 46 can keep the clamping of laser interferometer and prevent the backward deviation of hinged rod 51 due to external force and other factors and cause unstable clamping or loosening, the extrusion force is buffered through hinged rod 51, the laser interferometer is prevented from being clamped due to excessive extrusion, and the safety of the instrument is protected;

[0036] When the angle of the cleaning brush 67 needs to be adjusted, the rotating block 66 can be manually rotated to drive the cleaning brush 67 to rotate around the circular block 65 in the clearance groove 63, so that the angle adjustment of the cleaning brush 67 is realized, the cleaning brush 67 added with an antistatic agent cleans the surface of the base 1, and the generation of static electricity can be effectively reduced.

[0037] The above description is only a preferred embodiment of the present invention and does not limit the patent scope of the present invention. All equivalent structural transformations made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or direct / indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A laser interferometer auxiliary assembly fixture, comprising a base (1), wherein the base (1) is fixedly connected to a fixing plate (3) via a fixing rod (2), and an auxiliary fixture assembly (4) is provided on the fixing plate (3), characterized in that: The auxiliary clamp assembly (4) includes a clamping plate (46), an anti-extrusion device (5) is provided on the auxiliary clamp assembly (4), and a cleaning device (6) is provided on the base (1), and the anti-extrusion device (5) includes: A hinge rod (51), a strip groove (52) is provided on the surface of the first clamping plate (46), and the hinge rod (51) is slidably connected in the strip groove (52); Square grooves (53), wherein the strip grooves (52) are provided with square grooves (53), and a plurality of groups of the square grooves (53) are symmetrically arranged; A spring (54), the square groove (53) is elastically connected to a square block (55) via the spring (54), and the square block (55) is arranged in the strip groove (52).

2. The laser interferometer-assisted modular fixture according to claim 1, characterized in that: The auxiliary clamp assembly (4) comprises a hydraulic cylinder (41), the surface of the fixed plate (3) is fixedly connected to the hydraulic cylinder (41), the output end of the hydraulic cylinder (41) is fixedly connected to a connecting plate (42), and an extension rod (43) is fixedly connected to the connecting plate (42).

3. The laser interferometer-assisted modular fixture according to claim 2, characterized in that: The surface of the fixed plate (3) is fixedly connected with a fixed cylinder (44), and an extension rod (43) is slidably connected in the fixed cylinder (44). The extension rod (43) passes through the fixed plate (3) and is fixedly connected to a limiting rod (45). The limiting rod (45) is fixedly connected with a clamping plate (46). The clamping plate (46) is movably connected to a clamping plate (47) via an anti-extrusion device (5).

4. The laser interferometer-assisted modular fixture according to claim 1, characterized in that: The cleaning device (6) comprises a rotating threaded rod (61), and the rotating threaded rod (61) is rotatably connected to the surface of the base (1).

5. The laser interferometer-assisted modular fixture according to claim 4, characterized in that: A threaded block (62) is rotatably connected to the rotating threaded rod (61), and a clearance groove (63) is provided on the surface of the threaded block (62).

6. The laser interferometer-assisted modular fixture according to claim 5, characterized in that: The inner wall of the said giving way groove (63) is provided with a groove (64), and the said groove (64) is provided with a plurality of groups, and the said groove (64) is clamped with a round block (65).

7. The laser interferometer-assisted modular fixture according to claim 6, characterized in that: The circular block (65) is fixedly connected to the rotating block (66), and the rotating block (66) is rotatably connected in the clearance groove (63).

8. The laser interferometer-assisted modular fixture according to claim 7, characterized in that: The rotating block (66) is fixedly connected to the cleaning brush (67), and the cleaning brush (67) is configured to be antistatic.

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