CN217467376U

CN217467376U - Alignment assembling device of reticle assembly

Info

Publication number: CN217467376U
Application number: CN202221285592.2U
Authority: CN
Inventors: 张翌; 马国顺
Original assignee: Danyang Danyao Optical Co ltd
Current assignee: Danyang Danyao Optical Co ltd
Priority date: 2022-05-25
Filing date: 2022-05-25
Publication date: 2022-09-20
Anticipated expiration: 2032-05-25

Abstract

The utility model discloses an alignment assembly device of reticle subassembly, including two big modules, the high-power formation of image detection module of accurate multidimension adjusting module and high definition, essential element include optical platform, focusing mechanism, lens cone assembly seat, light source, formation of image detection device, multidimension micromatic setting and focusing knob. This aim at assembly device is through the aperture diaphragm position in the high clear high power imaging detecting system through multidimension adjusting module fine setting reticle assembly, makes the accurate division line center of projecting of the center of the aperture image of aperture diaphragm on the reticle, can quick effectual realization accurate positioning assembly, improves the operation precision and the efficiency of this type of product.

Description

Alignment assembly device of reticle assembly

Technical Field

The utility model relates to a reticle subassembly accurate assembly technical field especially relates to a reticle subassembly's division line and alignment assembly device of diaphragm.

Background

All can set up the reticle assembly in its middle image plane department on a lot of optical equipment or equipment, its main function is the location, aim at the target, in order to eliminate the interference of surrounding environment, faster location target, red dot illumination function has been disposed in the reticle assembly of some high-ends, the image that red dot becomes needs the accurate center of projecting the reticle, even can't see the reticle clearly in harsh environment such as dark, also can pass through the quick location target of red dot.

Generally, a spectroscope is arranged in the division and division board assembly, a division line is arranged on one side of the spectroscope, an aperture diaphragm is attached to one side of the division line, which is symmetrical relative to a light splitting plane of the spectroscope, namely the conjugate position of the division line and the division line, a red light strip is arranged right above the aperture diaphragm to irradiate the aperture diaphragm, light rays emitted by the division line and the aperture diaphragm are received by an imaging system at the rear end through the spectroscope, and finally, the division line and a red dot image are received by human eyes or a display simultaneously. The assembly requirements are as follows: the division line image and the red dot image center are kept highly coincident. However, the light source lamp strip is assembled and fixed on the outer wall of the lens cone in the later stage, the small hole of the small hole diaphragm is usually smaller, the cross line of the reticle is also usually thinner, and the existing facilities cannot meet the requirement of microscopically fine alignment adjustment of the light source lamp strip and the small hole diaphragm, so that the alignment accuracy of the reticle assembly has larger deviation.

Disclosure of Invention

To the problem that exists, the utility model aims at providing an alignment assembly device of reticle subassembly, under the high definition high power imaging system real-time detection, through the center of multidimension micromatic setting regulation aperture diaphragm and reticle, can quick effectual realization aperture diaphragm and the accurate assembly of reticle, improve the operation precision and the efficiency of this type of product.

In order to achieve the above object, the utility model adopts the following technical scheme: an alignment assembly device of reticle assembly, characterized in that: the focusing mechanism comprises two focusing modules, namely a first focusing module and a second focusing module, the multidimensional adjusting module comprises a lens barrel assembly seat and a multidimensional fine adjustment device, the lens barrel assembly seat is connected with the first focusing module, a connected light source and a reticle assembly are sequentially arranged on two sides of the lens barrel assembly seat, the multidimensional fine adjustment device is fixed on the bottom plate and positioned on one side of the focusing mechanism, an L-shaped connecting rod is fixed on the multidimensional fine adjustment device, a thimble is arranged at the bottom end of the L-shaped connecting rod, and the thimble corresponds to the central axis of the focusing mechanism;

the reticle assembly comprises a reticle, a spectroscope is arranged in the reticle assembly, a reticle is arranged on one side of the spectroscope, a light through hole is formed in the side face of the reticle assembly, a small-hole diaphragm is attached to the side face of the spectroscope, and a red light strip is arranged right above the small-hole diaphragm to irradiate the small-hole diaphragm.

Preferably, the imaging detection module comprises an objective lens, an objective lens center adjusting mechanism, a connecting plate, an imaging system, an imaging receiving device and a display which are sequentially connected, the connecting plate is connected with the focusing module II, and the optical axis of the imaging system is aligned with the center of the reticle assembly.

Preferably, the reticle assembly comprises a reticle, a spectroscope, a pinhole diaphragm and a red light strip, the thimble is aligned with the center of a light through hole on the side surface of the reticle assembly, the thimble is abutted against the top of the red light strip to press the red light strip onto the pinhole diaphragm, and the multi-dimensional fine adjustment device can control the orientation of the thimble, so that the orientations of the red light strip and the pinhole diaphragm are controlled.

The utility model has the advantages that: the assembly device can be used for positioning, aligning and assembling the reticle assembly through the multidimensional fine adjustment device under the real-time detection of a high-definition high-power imaging system, can be used for quickly and effectively realizing the accurate assembly of the reticle assembly, and can improve the operation precision and efficiency of the products.

Drawings

Fig. 1 is a schematic view of the overall structure of the assembling device of the present invention.

Fig. 2 is the utility model discloses a reticle assembly structure schematic diagram.

Wherein: 1 is a light source; 2 is a lens cone assembling seat; 3 is a bottom plate; 4 is a slide rail; 4a is a first focusing module; 4b is a focusing module II; 5 is a multi-dimensional fine adjustment device; 5a is a Z-axis displacement control unit; 5b is an X-axis displacement control unit; 5c is a Y-axis displacement control unit; 6 is an L-shaped connecting rod; 7 is a thimble; 8, an imaging system; 8a is an objective lens; 9 is an objective lens center adjusting mechanism; 10 an image receiving device; 11 is a connecting plate; 12 is a display; 13 is a dividing board component; 13a is a reticle; 13b is a spectroscope; 13c is a small aperture diaphragm; 13d is a red light strip.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following describes the technical solution of the present invention with reference to the accompanying drawings and embodiments.

Referring to the attached figures 1-2, an aligning and assembling device for a reticle assembly is characterized in that: including multidimension adjusting module and formation of image detection module to and with the focusing mechanism that sets up on two module integrated's bottom plate 3 and bottom plate 3, multidimension adjusting module is including L type connecting rod 6, and its bottom is provided with thimble 7, formation of image detection module including with the vertical reticle subassembly 13 that corresponds of thimble 7. The reticle assembly 13 includes a reticle 13a, a spectroscope 13b is arranged inside the reticle assembly, a reticle is arranged on one side of the spectroscope 13b, a light through hole (shown as 130 in the figure) is formed in the side surface of the reticle assembly 13, an aperture diaphragm 13c is attached to the side surface of the spectroscope 13b, and a red light strip 13d is arranged right above the aperture diaphragm to irradiate the aperture diaphragm. The thimble 7 with the clear aperture center of reticle subassembly 13 side aligns, thimble 7 top the top in red light lamp area is pressed red light lamp area on the aperture diaphragm, through the multidimension fine setting module can control the position of thimble 7, and then control the position of red light lamp area and aperture diaphragm.

Specifically, as shown in fig. 1, the multi-dimensional adjustment module includes a lens barrel assembly base 2 and a multi-dimensional fine adjustment device 5, and specifically includes a Z-axis displacement control unit 5a, an X-axis displacement control unit 5b, and a Y-axis displacement control unit 5c, the light source 1 and the reticle assembly 13 connected to each other are sequentially disposed on two sides of the lens barrel assembly base 2, and the L-shaped connecting rod 6 is horizontally disposed on one side of the multi-dimensional fine adjustment device 5.

Specifically, as shown in fig. 1, the imaging detection module includes an objective lens 8a, an objective lens center adjusting mechanism 9, a connecting plate 11, an imaging system 8, an imaging receiving device 10, and a display 12, which are connected in sequence, and an optical axis of the imaging system 8 is aligned with a center of the reticle assembly 13. The objective lens center adjusting mechanism 9 controls the orientation of the objective lens 8a of the imaging system 8, and thus can adjust the positions of the image of the division line and the image of the aperture stop on the display 12.

Specifically, as shown in fig. 1, the focusing mechanism includes a slide rail 4, a first focusing module 4a and a second adjusting module 4b are arranged on the slide rail 4 at an interval, the lens barrel assembly base 2 is arranged on the first focusing module 4a, and the connecting plate 11 is arranged on the second adjusting module 4 b.

The imaging principle of the device is as follows: a reticle assembly 13 is mounted on a matching interface on one side of the lens barrel assembly seat 2, as shown in fig. 2, a beam splitter 13b is arranged inside the reticle assembly 13, a reticle is arranged on one side of the beam splitter 13b, the power of the light source 1 is switched on and irradiates the reticle, the optical axis of the imaging system 8 is aligned with that of the reticle assembly 13, the light emitted from the reticle passes through the beam splitter 13b and is received by the imaging system 8, and is converged on the target surface of the imaging receiving device 10, meanwhile, the side surface of the lens barrel of the reticle assembly 13 corresponding to the side where the reticle is symmetrical relative to the splitting surface of the beam splitter 13b is provided with a light through hole, a pinhole diaphragm is attached to the side surface of the beam splitter 13b, a red light strip is arranged right above the pinhole diaphragm and irradiates the pinhole diaphragm, the light emitted from the pinhole diaphragm of the pinhole diaphragm is reflected by the splitting surface of the beam splitter 13b and then is received by the imaging system 8, the light beams converge on the target surface of the imaging receiving device 10, and at this time, the image of the division line and the small hole image are simultaneously displayed on the display 12, and if the image is not clear, the focusing can be performed by the first focusing module and the second focusing module of the focusing mechanism on the imaging system 8 until a clear image appears.

The alignment precision of the device depends on the adjustment precision and the detection precision of the device, wherein the detection precision of the device is positively correlated with the magnification and the imaging definition of the imaging system, and the adjustment precision of the device is positively correlated with the fine adjustment precision of the multi-dimensional fine adjustment device.

The principle of the utility model is that: firstly, the reticle assembly 13 is installed on the lens barrel assembly seat 2, the pinhole diaphragm 13c and the red light strip 13d are placed in the light through hole on the side surface of the reticle assembly 13, the thimble 7 is controlled to move along the Z-axis direction by the Z-axis displacement control unit 5a of the multi-dimensional fine adjustment device 5 until the thimble is pressed on the top of the red light strip 13d, so that the pinhole diaphragm 13c is tightly attached to the beam splitter 13b, the power supply of the light source 1 is switched on to irradiate the reticle 13a, according to the imaging principle of the device, a reticle image of a reticle and a red dot image of the pinhole diaphragm 13c simultaneously appear on the display 12, if the reticle image is not clear, the imaging system 8, the imaging receiving device 10 and the objective lens center adjusting mechanism 9 are controlled to focus by the focusing module two 4b, and if the reticle image of the pinhole on the display 12 is not aligned, the thimble 7 is controlled by the X-axis displacement control unit 5b and the Y-axis displacement control unit 5c of the multi-dimensional fine adjustment device 5 to drive the red light strip 13d and the pinhole diaphragm 13c to move horizontally until the image of the division line on the display 12 coincides with the red dot image of the pinhole, and the red light strip 13d and the pinhole diaphragm 13c are fixed on the beam splitter 13b by dispensing.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An alignment assembly device of reticle assembly, characterized in that: the lens barrel assembly comprises a multi-dimensional adjusting module, an imaging detection module, a base plate (3) integrating two modules and a focusing mechanism (4) arranged on the base plate (3), wherein the focusing mechanism (4) is provided with two focusing modules which are a first focusing module (4 a) and a second focusing module (4 b), the multi-dimensional adjusting module comprises a lens barrel assembly seat (2) and a multi-dimensional fine adjustment device (5), the lens barrel assembly seat (2) is connected with the first focusing module (4 a), a light source (1) and a reticle assembly (13) which are connected are sequentially arranged on two sides of the lens barrel assembly seat (2), the multi-dimensional fine adjustment device (5) is fixed on the base plate (3) and positioned on one side of the focusing mechanism (4), an L-shaped connecting rod (6) is fixed on the multi-dimensional fine adjustment device (5), and an ejector pin (7) is arranged at the bottom end of the L-shaped connecting rod, the thimble (7) corresponds to the central axis of the focusing mechanism (4);

the dividing and dividing plate assembly (13) comprises a dividing and dividing plate (13 a), a dividing and dividing line is arranged inside the dividing and dividing plate assembly (13 a), a light through hole is formed in one side of the dividing and dividing plate assembly (13), a small hole diaphragm (13 c) is attached to the side of the dividing and dividing plate assembly (13 b), and a red light strip (13 d) is arranged right above the small hole diaphragm (13 c) to irradiate the small hole diaphragm (13 c).

2. The apparatus of claim 1, wherein: the imaging detection module comprises an objective lens (8 a), an objective lens center adjusting mechanism (9), a connecting plate (11), an imaging system (8), an imaging receiving device (10) and a display (12), wherein the objective lens center adjusting mechanism, the connecting plate (11), the imaging system (8), the imaging receiving device (10) and the display (12) are sequentially connected, the connecting plate (11) is connected with the focusing module II (4 b), and the optical axis of the imaging system (8) is aligned with the center of the partition plate component (13).

3. The apparatus of claim 1, wherein: the thimble (7) aligns with the center of a light through hole in the side face of the reticle assembly (13), the thimble (7) abuts against the top of the red light strip (13 d) to press the red light strip (13 d) on the small hole diaphragm (13 c), and the position of the thimble (7) can be controlled through the multi-dimensional fine adjustment device (5), so that the positions of the red light strip (13 d) and the small hole diaphragm (13 c) are controlled.