Precision optical element coating clamp

Abstract

The utility model relates to the technical field of coating equipment, in particular to a precision optical element coating clamp, which comprises a coating workbench for processing a precision optical element, and a fixed clamping seat and an adjustable clamping seat are mounted at two ends of the top surface of the coating workbench. According to the utility model, the servo motor is arranged in the middle of one end of the coating workbench, so that the adjusting screw rod can be accurately driven to rotate; the fixed clamping seat and the adjustable clamping seat are arranged at the two ends of the top face of the coating workbench and used for clamping the precise optical element, a movable sliding block in the center of the bottom of the adjustable clamping seat is in sliding fit with the movable sliding groove and is in threaded connection with the adjusting lead screw, and when the servo motor drives the adjusting lead screw to rotate, the adjustable clamping seat can move along the movable sliding groove; the optical elements of different sizes can be clamped and adjusted, the soft cushion layer can prevent the optical elements from being damaged in the clamping process, the inserting columns on the soft cushion layer are matched with the inserting grooves in the outer walls of the fixed clamping base and the adjustable clamping base in an inserting mode, and installation and replacement of the soft cushion layer are facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to a coating equipment technical field, concretely is a precision optical element coating fixture. BACKGROUND

[0002] The precision optical element coating fixture is an important equipment in the field of optical manufacturing, which is mainly used for coating one or more layers of metal film or dielectric film on the surface of an optical element to change the transmission characteristics of light waves. As a key device for fixing and supporting the optical element during the coating process, the performance of the coating fixture has a crucial impact on the coating quality. With the continuous development of optical technology, higher requirements are placed on the precision, efficiency and stability of precision optical element coating. The traditional coating fixture may have unstable clamping force or inaccurate clamping position when clamping the optical element, which can cause the optical element to shake or shift during the coating process, thereby affecting the quality and precision of the coating. This problem is particularly prominent when dealing with large-size, complex-shaped or high-precision optical elements. SUMMARY

[0003] The utility model aims at providing a precision optical element coating fixture to solve the problem of insufficient clamping stability of existing precision optical element coating fixtures in the background art.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0005] A precision optical element coating fixture, comprising a coating workbench for precision optical element processing, a servo motor is installed in the middle of one end of the coating workbench, a fixed clamp holder and an adjustable clamp holder are installed at the top surface of the coating workbench;

[0006] A moving sliding groove is formed in the middle of the top surface of the coating workbench, two parallel guide sliding grooves are symmetrically formed on both sides of the moving sliding groove;

[0007] An adjusting screw is coaxially connected to the output shaft of the servo motor;

[0008] A moving block that is adapted to the cross-sectional size of the moving sliding groove and is in sliding cooperation is installed at the bottom center of the adjustable clamp holder, the moving block is threadedly connected between the adjusting screw, and two groups of guide blocks that are adapted to the cross-sectional size of the guide sliding groove and are in sliding cooperation are installed at both ends of the bottom of the adjustable clamp holder;

[0009] A soft pad layer is installed on the side surface of the fixed clamp holder and the adjustable clamp holder that contacts the precision optical element, a plug-in groove is formed in the outer wall of the fixed clamp holder and the adjustable clamp holder, and a plug-in column that is adapted to the size of the plug-in groove and is in plug-in cooperation is installed on the soft pad layer.

[0010] As preferred, the plating workbench is embedded with bearings for fixing the adjusting screw rod at one end away from the servo motor.

[0011] As preferred, the surface of the soft pad layer is further installed with several groups of anti-skid protrusions arranged uniformly and equidistantly.

[0012] As preferred, the moving slider is provided with screw holes matching the size of the adjusting screw rod and threadedly connected.

[0013] As preferred, the top of the moving slider and the guide slider is coaxially connected with a connecting plug for plug-in cooperation with the bottom of the adjustable clamp holder.

[0014] As preferred, the outer wall of the adjustable clamp holder is installed with at least two groups of fixing bolts for fixing the connecting plug.

[0015] As preferred, the cross section of the moving sliding groove, the moving slider, the guide sliding groove and the guide slider is isosceles trapezoidal.

[0016] Compared with the prior art, the present application has the following advantages:

[0017] In the present application, the plating workbench provides a stable working platform for the whole plating process; the servo motor installed at the middle of one end can precisely drive the adjusting screw rod to rotate; the fixed clamp holder and the adjustable clamp holder at the top of the plating workbench are used for clamping the precise optical element; the moving slider at the bottom center of the adjustable clamp holder is in sliding cooperation with the moving sliding groove and threadedly connected with the adjusting screw rod; when the servo motor drives the adjusting screw rod to rotate, the adjustable clamp holder can move along the moving sliding groove, thereby realizing the clamping and adjustment of optical elements of different sizes; the guide slider at the two ends of the bottom of the adjustable clamp holder is in sliding cooperation with the guide sliding groove, thereby ensuring the stability and accuracy of the movement of the adjustable clamp holder; the soft pad layer installed on the surface of the side in contact with the precise optical element of the fixed clamp holder and the adjustable clamp holder can avoid damaging the optical element during clamping; the plug-in column on the soft pad layer is in plug-in cooperation with the plug-in groove on the outer wall of the fixed clamp holder and the adjustable clamp holder, thereby facilitating the installation and replacement of the soft pad layer.

[0018] In the present application, the plating workbench is embedded with bearings for fixing the adjusting screw rod at one end away from the servo motor, so that the adjusting screw rod is more stable during rotation, the processing error caused by shaking is reduced, and the precision of the plating process is improved.

[0019] The top of the moving sliding block and the guide sliding block is coaxially connected with a connecting plug which is plugged and matched with the bottom of the adjustable clamping seat, and at least two groups of fixing bolts for fixing the connecting plug are installed on the outer wall of the adjustable clamping seat, so that the connection between the adjustable clamping seat and the moving sliding block and the guide sliding block is more firm and reliable, and the problems of loose connection or falling off caused by vibration during the coating process are avoided. BRIEF DESCRIPTION OF DRAWINGS

[0020] The accompanying drawings are used to provide further understanding of the present application, and constitute a part of the specification, and are used to make further detailed explanation together with embodiments of the present application, but do not constitute a limitation on the present application.

[0021] Fig. 1 It is a structural schematic view of the present application;

[0022] Fig. 2 It is a sectional structure schematic view of the adjustable clamping seat of the present application;

[0023] Fig. 3 It is a sectional exploded structure schematic view of the adjustable clamping seat of the present application;

[0024] 10, coating workbench; 11, moving sliding groove; 12, guide sliding groove; 13, bearing;

[0025] 20, servo motor; 21, adjusting screw rod;

[0026] 30, fixed clamping seat;

[0027] 40, adjustable clamping seat; 41, soft cushion layer; 42, moving sliding block; 43, guide sliding block; 44, screw hole; 45, plug-in column; 46, anti-skid convex; 47, connecting plug; 48, fixing bolt; 49, plug-in groove. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below in combination with the embodiments of the present application and the drawings of the specification. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0029] In the description of the utility model, it is understood that the terms "center", "vertical", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0030] A kind of precision optical element coating fixture, as shown in Figs. 1-3 The utility model discloses a precision optical element coating fixture, including precision optical element processing coating workbench 10, one end middle part of coating workbench 10 is equipped with servo motor 20, the top surface both ends of coating workbench 10 are equipped with fixed clamping seat 30 and adjustable clamping seat 40;Coating workbench 10 top surface middle part is equipped with mobile sliding slot 11, two parallel guide sliding slots 12 are symmetrically equipped with in the both sides of mobile sliding slot 11;The output shaft of servo motor 20 is coaxially connected with adjusting screw rod 21;The bottom center of adjustable clamping seat 40 is equipped with mobile sliding block 42 with the section size of mobile sliding slot 11 is adapted and slidingly cooperates, mobile sliding block 42 is connected with adjusting screw rod 21 with screw thread, and the bottom both ends of adjustable clamping seat 40 are equipped with two groups of guide sliding block 43 with the section size of guide sliding slot 12 is adapted and slidingly cooperates;The side surface of fixed clamping seat 30, adjustable clamping seat 40 and precision optical element contact is equipped with soft pad layer 41, and the outer wall of fixed clamping seat 30, adjustable clamping seat 40 is equipped with insertion slot 49, and the insertion slot 49 of soft pad layer 41 is equipped with insertion column 45 with the size of insertion slot 49 is adapted and is inserted into the cooperation, by the coating workbench 10 of being set, provide stable work platform for the whole coating process;Its one end middle part is equipped with servo motor 20, can accurately drive adjusting screw rod 21 rotation;The fixed clamping seat 30 and adjustable clamping seat 40 of coating workbench 10 top surface both ends are used for clamping precision optical element, wherein the mobile sliding block 42 of the bottom center of adjustable clamping seat 40 and mobile sliding slot 11 slidingly cooperate, and are connected with adjusting screw rod 21 with screw thread, when servo motor 20 drives adjusting screw rod 21 rotation, can make adjustable clamping seat 40 move along mobile sliding slot 11, to realize the clamping adjustment of different size optical element, and the guide sliding block 43 of the bottom both ends of adjustable clamping seat 40 and guide sliding slot 12 slidingly cooperate, guarantee the stability and accuracy of adjustable clamping seat 40 movement;The side surface of fixed clamping seat 30, adjustable clamping seat 40 and precision optical element contact is equipped with soft pad layer 41, can avoid the damage to optical element in the clamping process, and the insertion column 45 on soft pad layer 41 and the insertion slot 49 on the outer wall of fixed clamping seat 30, adjustable clamping seat 40 are inserted into the cooperation, the installation and replacement of soft pad layer 41 are facilitated.

[0031] Further, the end of the coating workbench 10 away from the servo motor 20 is embedded with a bearing 13 for fixing the adjusting screw rod 21, so that the adjusting screw rod 21 is more stable when rotating, reduces the processing error caused by shaking, and improves the precision of the coating process.

[0032] Wherein, the surface of the soft pad layer 41 is also provided with several groups of anti-skid protrusions 46 arranged uniformly and equidistantly, which increases the friction between the precision optical element and the coating film, effectively prevents the element from sliding or shifting during the coating process, and further ensures the quality and stability of the coating film.

[0033] It is worth noting that the moving slider 42 is provided with a screw hole 44 which is threadedly connected with the adjusting screw rod 21 and has a size suitable for the adjusting screw rod 21, so as to directly connect the moving slider 42 with the adjusting screw rod 21, and enable the moving slider 42 to move along the axial direction of the adjusting screw rod 21 when the adjusting screw rod 21 rotates, thereby driving the adjustable clamp seat 40 to accurately displace.

[0034] Specifically, the top of the moving slider 42 and the guide slider 43 is coaxially connected with a connecting plug 47 which is insertedly connected with the bottom of the adjustable clamp seat 40, and the outer wall of the adjustable clamp seat 40 is provided with at least two groups of fixing bolts 48 for fixing the connecting plug 47, so that the connection between the adjustable clamp seat 40 and the moving slider 42 and the guide slider 43 is more firm and reliable, avoiding the problem of loose connection or falling off caused by vibration during the coating process.

[0035] In addition, the cross sections of the moving sliding groove 11, the moving slider 42, the guide sliding groove 12 and the guide slider 43 are all isosceles trapezoidal, so that each component has better guidance and stability when cooperating, reducing the shaking or deviation problem caused by too large cooperation gap, and further improving the precision and stability of the coating process.

[0036] The working principle of the precision optical element coating clamp is as follows:

[0037] Firstly, the precision optical element is placed on the coating workbench 10, and the adjusting screw rod 21 is driven to rotate by the servo motor 20 according to the size of the element; since the moving slider 42 at the bottom of the adjustable clamp seat 40 is threadedly connected with the adjusting screw rod 21, and the moving slider 42 slides in the moving sliding groove 11, and the guide sliders 43 at both ends of the bottom slide in the guide sliding groove 12, the adjustable clamp seat 40 will move along the workbench and be adjusted to the appropriate position to clamp the element;

[0038] Then, the connecting plug 47 is fixed by using the fixing bolt 48, ensuring that the adjustable clamp seat 40 is stably connected with the moving slider 42 and the guide slider 43; the soft pad layer 41 on the fixed clamp seat 30 and the adjustable clamp seat 40 is in contact with the optical element, playing a protection and anti-skid role, the plug-in column 45 is in plug-in cooperation with the plug-in slot 49 of the outer wall of the clamp seat, facilitating the installation and replacement of the soft pad layer; finally, the bearing 13 fixes the other end of the adjusting screw rod 21, ensuring that the whole system runs stably, and the coating work of the precise optical element can be started; in the whole process, the structures work cooperatively, ensuring that the optical element is stably and safely clamped in the coating process, guaranteeing the smooth coating work and the coating quality.

[0039] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A precision optical element coating jig comprising a coating worktable (10) for precision optical element processing, characterized in that: One end of the film coating workbench (10) is provided with a servo motor (20) in the middle, and the top surface of the film coating workbench (10) is provided with a fixed clamp seat (30) and an adjustable clamp seat (40) at both ends. A moving sliding groove (11) is formed in the middle of the top surface of the film coating workbench (10), and two parallel guide sliding grooves (12) are symmetrically formed on both sides of the moving sliding groove (11). The output shaft of the servo motor (20) is coaxially connected with an adjusting screw rod (21). The bottom center of the adjustable clamp seat (40) is provided with a moving block (42) which is matched with the section size of the moving sliding groove (11) and is in sliding fit, the moving block (42) is in threaded connection with the adjusting screw rod (21), and the bottom of the adjustable clamp seat (40) is provided with two groups of guide sliding blocks (43) which are matched with the section size of the guide sliding groove (12) and are in sliding fit. The side surface of the fixed clamp seat (30) and the adjustable clamp seat (40) in contact with the precision optical element is provided with a soft pad layer (41), the outer wall of the fixed clamp seat (30) and the adjustable clamp seat (40) is provided with a plug-in groove (49), and the soft pad layer (41) is provided with a plug-in column (45) which is matched with the size of the plug-in groove (49) and is in plug-in fit.

2. The precision optical element coating fixture of claim 1, wherein: The end of the film coating workbench (10) away from the servo motor (20) is embedded with a bearing (13) for fixing the adjusting screw rod (21).

3. The precision optical element coating fixture of claim 1, wherein: The surface of the soft pad layer (41) is also provided with a plurality of groups of anti-skid protrusions (46) which are uniformly and equidistantly arranged.

4. The precision optical element coating fixture of claim 1, wherein: The moving block (42) is provided with a screw hole (44) which is matched with the size of the adjusting screw rod (21) and is in threaded connection.

5. The precision optical element coating fixture of claim 1, wherein: The top of the moving block (42) and the guide sliding block (43) is coaxially connected with a connecting plug (47) which is in plug-in fit with the bottom of the adjustable clamp seat (40).

6. The precision optical element coating fixture of claim 5, wherein: The outer wall of the adjustable clamp seat (40) is provided with at least two groups of fixing bolts (48) for fixing the connecting plug (47).

7. The precision optical element coating fixture of claim 1, wherein: The sections of the moving sliding groove (11), the moving block (42), the guide sliding groove (12) and the guide sliding block (43) are all isosceles trapezoidal.

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