A spectroscopic cube device

Abstract

The utility model discloses a kind of light splitting cubes, including two plate bodies, fixed mechanism includes the fixed rod fixed in the bottom one end of two plate bodies, the outer wall of fixed rod is rotatably connected with rotating shell, rotating shell is inserted with inserting rod inside, the other end of two inserting rods is fixed with L type fixed rod, the inner wall top side of two L type fixed rods is uniformly provided with communicating thread hole, and the inside of thread hole is equipped with the thread rod of adaptation, the top of two thread rods is fixed with knob, the bottom of two thread rods is rotatably connected with compression block, the top side of compression block is fixed with guide rod, and the inner wall top of L type fixed rod is provided with the hole for guide rod to pass through. The utility model realizes the effect of fixing three-prism, avoids the deviation in the process of three-prism production, effectively enhances the fixing effect of three-prism, reduces the risk of position deviation in the production or use process, to improve working accuracy.

Description

Technical Field

[0001] This utility model relates to the field of prism manufacturing technology, and in particular to a beam-splitting cube device. Background Technology

[0002] A beam splitter is an optical device used to split incident light into two different beams at a specified ratio, or to recombine two beams into one. It is widely used in laser systems, illumination systems, and spectrometers. Users can select the transmission and reflection ratios and polarization states of the light as needed. Beam splitters are generally divided into two types: cubic beam splitters and flat beam splitters. A six-dimensional adjustment frame is a precision device with six degrees of freedom (including translation along the X, Y, and Z axes and three rotational axes), enabling micrometer-level adjustments. By adjusting these degrees of freedom, users can perform comprehensive fine-tuning and precise alignment of the target object.

[0003] Cube beam splitters can be divided into two types: cemented and photo-bonded. Compared with cemented beam splitters, photo-bonded beam splitters have higher transmittance and damage threshold. However, during the photo-bonding process, the two inclined surfaces tend to quickly adhere together, which poses a challenge to assembly precision. If there is relative rotation between the two surfaces after adhesion, effective adjustment is difficult. This can cause an angular shift between the transmitted and incident beams of the photo-bonded cube beam splitter, affecting its performance and usability, and increasing the probability of rework. Therefore, a cube beam splitter device is urgently needed to solve these problems. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a beam-splitting cube device.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: A beam-splitting cube device includes two plates. A six-dimensional adjustment frame is mounted on the bottom of each plate, and a triangular prism is located at one of the top ends of each plate, close to each other. A fixing mechanism is provided at the bottom ends of each plate to fix the triangular prism and prevent it from shifting. The fixing mechanism includes a fixing rod fixed to one bottom end of each plate. A rotating shell is rotatably connected to the outer wall of the fixing rod, and a plug rod is inserted into the interior of the rotating shell. An L-shaped fixing rod is fixed to the other end of each plug rod. A threaded hole is formed on one side of the top of the inner wall of each L-shaped fixing rod, and a matching threaded rod is provided inside the threaded hole. A knob is fixed to the top of each threaded rod, and a clamping block is rotatably connected to the bottom of each threaded rod. A guide rod is fixed to one side of the top of the clamping block, and a hole is formed on the top of the inner wall of the L-shaped fixing rod for the guide rod to pass through. The position of the L-shaped fixing rod can be adjusted by the plug rod and the rotating shell to prevent obstruction of operation. Then, the threaded rod can drive the clamping block closer to the top of the triangular prism and press it down to prevent shifting.

[0006] Preferably, a rubber pad is installed on the outer wall where the fixed rod and the rotating shell contact each other. The rubber pad makes it more difficult to rotate the rotating shell, thus preventing it from rotating easily.

[0007] Preferably, the top and bottom of the two insertion rods are provided with a plurality of limiting holes, and one end of the bottom of the two rotating shells is fixed with an installation block. The other end of the installation block is slidably provided with a limiting block, and the inner diameter of the limiting block is adapted to the limiting hole. The insertion rod can be limited by the limiting block.

[0008] Preferably, a fixing round block is fixed to the bottom of each of the two limiting blocks.

[0009] Preferably, springs are fixed to the top of both fixed circular blocks, and the top of the springs is fixedly connected to the bottom of the mounting block, with the springs located on the outer surface of the limiting block.

[0010] Preferably, each of the four corners of the plate is provided with a support rod, one of the support rods is equipped with a light source at the top, another support rod is equipped with an autocollimator at the top, and the other two support rods are equipped with corner prisms at the top, with the two corner prisms installed diagonally.

[0011] Preferably, the tops of the two plates are provided with limiting grooves that are adapted to the prism at their close ends.

[0012] The beneficial effects of this utility model are as follows: 1. Due to the adoption of a fixing mechanism, when the L-shaped fixing rod is found to be obstructive to the work, the rotating shell can be rotated to move the L-shaped fixing rod to a position that does not obstruct the work. The extension and retraction of the L-shaped fixing rod can be adjusted by inserting the rod. Then, by rotating the knob, the threaded rod is driven to rotate, which in turn squeezes and pushes the clamping block. At this time, the guide rod guides the clamping block and moves it close to the top of the prism, thereby achieving the effect of fixing the prism and preventing displacement during the production process of the prism. This effectively enhances the fixing effect of the prism, reduces the risk of positional displacement during production or use, thereby improving working accuracy and simplifying operation. Attached Figure Description

[0013] Figure 1 This is a three-dimensional partial structural diagram of a beam-splitting cube device proposed in this utility model; Figure 2 This is a schematic diagram of the first partial structure of the fixing mechanism of the beam-splitting cube device proposed in this utility model; Figure 3 This is a schematic diagram of the second partial structure of the fixing mechanism of the beam-splitting cube device proposed in this utility model; Figure 4 This is a schematic diagram of the explosion structure of the limiting block and rotating shell of the beam-splitting cube device proposed in this utility model.

[0014] In the diagram: 1. Plate; 101. Six-dimensional adjustment frame; 102. Limiting groove; 2. Triangular prism; 3. Support rod; 301. Light source; 302. Pyramidal prism; 303. Autocollimator; 4. L-shaped fixing rod; 401. Threaded rod; 402. Knob; 403. Guide rod; 404. Clamping block; 5. Rotating shell; 501. Insert rod; 502. Limiting hole; 503. Fixing rod; 504. Rubber pad; 505. Mounting block; 506. Limiting block; 507. Fixing round block; 508. Spring. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0016] Reference Figure 1-4 A beam-splitting cube device includes two plates 1, each plate 1 has a six-dimensional adjustment frame 101 installed at its bottom, and each plate 1 has a triangular prism 2 at one end of its top that is close to each other, and each plate 1 has a fixing mechanism at one end of its bottom that is close to each other to fix the triangular prism 2 and prevent it from shifting. The fixing mechanism includes a fixing rod 503 fixed to one end of the bottom of the two plates 1. A rotating shell 5 is rotatably connected to the outer wall of the fixing rod 503. A plug rod 501 is inserted into the inside of the rotating shell 5. An L-shaped fixing rod 4 is fixed to the other end of each plug rod 501. A threaded hole is opened on the top side of the inner wall of each L-shaped fixing rod 4, and a matching threaded rod 401 is provided inside the threaded hole. A knob 402 is fixed to the top of each threaded rod 401. A clamping block 404 is rotatably connected to the bottom of each threaded rod 401. A guide rod 403 is fixed to the top side of the clamping block 404, and a hole is opened on the top of the inner wall of the L-shaped fixing rod 4 for the guide rod 403 to pass through. The position of the L-shaped fixing rod 4 can be adjusted by the plug rod 501 and the rotating shell 5 to prevent obstruction of work. Then, the threaded rod 401 can drive the clamping block 404 to approach the top of the triangular prism 2 and press it to prevent displacement.

[0017] In this invention, a rubber pad 504 is installed on the outer wall where the fixed rod 503 and the rotating shell 5 come into contact. The rubber pad 504 makes it more difficult to rotate the rotating shell 5, thus preventing it from rotating easily.

[0018] In this utility model, the top and bottom of the two insertion rods 501 are provided with a plurality of limiting holes 502, and one end of the bottom of the two rotating shells 5 is fixed with an installation block 505. The other end of the installation block 505 is slidably provided with a limiting block 506, and the limiting block 506 is adapted to the inner diameter of the limiting hole 502. The insertion rod 501 can be limited by the limiting block 506.

[0019] In this utility model, a fixing round block 507 is fixed to the bottom of each of the two limiting blocks 506.

[0020] In this utility model, springs 508 are fixed to the top of both fixed circular blocks 507, and the top of the springs 508 is fixedly connected to the bottom of the mounting block 505, and the springs 508 are located on the outer surface of the limiting block 506.

[0021] In this utility model, support rods 3 are provided at the four corners of the plate 1. A light source 301 is installed on the top of one support rod 3, an autocollimator 303 is installed on the top of another support rod 3, and corner prisms 302 are installed on the tops of the other two support rods 3, with the two corner prisms 302 installed diagonally.

[0022] In this utility model, the tops of the two plates 1 are close to each other and each has a limiting groove 102 that is adapted to the triangular prism 2.

[0023] Working principle: In use, a single wavelength of collimated light is emitted by the light source 301. Two corner prisms 302 are placed on either side. Since the corner prisms 302 are not sensitive to the angle of incidence of light, the light will be reflected 180° within a certain range of angles of incidence. Therefore, the placement angle of the corner prisms 302 is relatively low, allowing a deviation within 3°. Then, the autocollimator 303 is fixed, and the light source 301 is adjusted so that the collimated light emitted by the light source 301 hits the zero point of the autocollimator 303. Then, the light source 301 is fixed, and the triangular prism 2 is placed inside the limiting groove 102. Then, the L-shaped fixing rod 4 is rotated, which drives the insertion rod 501 and the rotating shell 5 to rotate. The L-shaped fixing rod 4 is rotated to a position that does not obstruct the operation. Due to the rubber pad 504, a little force is required when rotating the rotating shell 5. The insertion rod 501 slides inside the rotating shell 5, allowing the L-shaped fixing rod 4 to extend and retract, making its rotation easier. Then, the limiting block 506 is inserted into the limiting hole 502, and the limiting block 506 is limited by the spring 508, thus limiting the insertion rod 501 and fixing the L-shaped fixing rod 4. Then, by rotating the knob 402, the threaded rod 401 is rotated, gradually squeezing the pressing block 404, which then moves the pressing block 404 close to the top of the triangular prism 2 and presses it to fix it, preventing displacement during production. After fixing, by adjusting the rotation and pitch of the six-dimensional adjustment frame 101, the inclined planes between the two triangular prisms 2 are parallel, and there is no relative rotation between the two triangular prisms 2. Adjusting the translation and height of the six-dimensional adjustment frame 101 allows the two triangular prisms 2 to be attached together to achieve a glossy finish.

[0024] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A beam-splitting cube device, comprising two plates, characterized in that, Both of the plates are equipped with a six-dimensional adjustment frame at their bottoms, and both of the plates have a triangular prism at their tops that are close to each other. Both of the plates also have a fixing mechanism at their bottoms that are close to each other to fix the triangular prism and prevent it from shifting. The fixing mechanism includes a fixing rod fixed to one end of the bottom of two plates. A rotating shell is rotatably connected to the outer wall of the fixing rod. An insert rod is inserted into the interior of the rotating shell. An L-shaped fixing rod is fixed to the other end of each insert rod. A threaded hole is opened on the top side of the inner wall of each L-shaped fixing rod, and a matching threaded rod is provided inside the threaded hole. A knob is fixed to the top of each threaded rod. A clamping block is rotatably connected to the bottom of each threaded rod. A guide rod is fixed to the top side of the clamping block, and a hole for the guide rod to pass through is opened on the top of the inner wall of the L-shaped fixing rod.

2. The beam-splitting cube device according to claim 1, characterized in that, A rubber pad is installed on the outer wall where the fixed rod and the rotating shell come into contact.

3. The beam-splitting cube device according to claim 1, characterized in that, The top and bottom of the two insertion rods are provided with several limiting holes. One end of the bottom of the two rotating shells is fixed with an installation block. The other end of the installation block is slidably provided with a limiting block, and the inner diameter of the limiting block is adapted to the limiting hole.

4. The beam-splitting cube device according to claim 3, characterized in that, Both of the limiting blocks have a fixed circular block at their bottom.

5. The beam-splitting cube device according to claim 4, characterized in that, Springs are fixed to the top of both fixed circular blocks, and the top of the springs is fixedly connected to the bottom of the mounting block, with the springs located on the outer surface of the limiting block.

6. The beam-splitting cube device according to claim 1, characterized in that, The plate is provided with support rods at all four corners. A light source is installed on the top of one of the support rods, an autocollimator is installed on the top of another support rod, and corner prisms are installed on the tops of the other two support rods, with the two corner prisms installed diagonally.

7. The beam-splitting cube device according to claim 1, characterized in that, Both of the tops of the two plates are provided with limiting grooves that are adapted to the prism at their close ends.

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