CN217956349U - Polaroid sliding table, sorting system and laser - Google Patents

Abstract

The utility model provides a polaroid slip table, sorting system and laser instrument, include: the polarizer comprises a base, a first driving device arranged on the base, a first transmission device arranged on the base, wherein the input end of the first transmission device is connected with the output end of the first driving device, a second driving device connected with the output end of the first transmission device, a second transmission device connected with the output end of the second driving device, a polarizer base connected with the output end of the second transmission device, and a polarizer arranged on the polarizer base, wherein the first driving device drives the second driving device, the second transmission device, the polarizer base and the polarizer to be inserted into and withdrawn from a light path through the first transmission device, and the second driving device drives the polarizer base and the polarizer to rotate through the second transmission device. The utility model discloses can realize the switching of light path, and can adjust the light path.

Description

Polaroid sliding table, sorting system and laser

Technical Field

The utility model relates to a laser instrument technical field, in particular to polaroid slip table, sorting system and laser instrument.

Background

Currently, when the optical path of the laser is switched, the laser is usually realized by inserting and withdrawing a polaroid into and from the optical path. The polarizer can be inserted by fixing the polarizer to the optical path by fasteners, and can be withdrawn from the optical path by detaching the fasteners, or can be inserted by rotating the polarizer along the path by a polarizer sliding table, or can be inserted by moving the polarizer along the linear path by a polarizer sliding table.

However, none of these polarizer sliding tables has a function of rotating the polarizer inserted into the optical path, thereby limiting the adjustment function of the polarizer.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a polaroid slip table, sorting system and laser instrument to solve current polaroid slip table and do not possess the function that makes the polaroid rotation after inserting the light path, thereby restrict the regulatory function's of polaroid problem.

In order to solve the technical problem, the utility model provides a polaroid sheet slip table, include: the polarizer comprises a base, a first driving device arranged on the base, a first transmission device arranged on the base, wherein the input end of the first transmission device is connected with the output end of the first driving device, a second driving device connected with the output end of the first transmission device, a second transmission device connected with the output end of the second driving device, a polarizer base connected with the output end of the second transmission device, and a polarizer arranged on the polarizer base, wherein the first driving device drives the second driving device, the second transmission device, the polarizer base and the polarizer to be inserted into and withdrawn from a light path through the first transmission device, and the second driving device drives the polarizer base and the polarizer to rotate through the second transmission device.

Optionally, the first driving device is a rotation driving device.

Optionally, the rotary drive is a self-holding electromagnet.

Optionally, the first transmission device includes one end and the base rotates the swing arm of being connected, with the other end of swing arm rotates the bearing of being connected, with bearing sliding connection's slider, set up the slide rail on the base, wherein, the slider with slide rail sliding connection, second drive arrangement is fixed to be set up on the slider, the polaroid base with the slider rotates to be connected.

Optionally, the sliding block is provided with a sliding groove for the sliding of the bearing.

Optionally, the slide rail is a ball linear guide rail.

Optionally, the second transmission device includes a first gear disposed at an output end of the second driving device, and a second gear disposed on the polarizer base, and the first gear is engaged with the second gear.

The utility model also provides a sorting system, including foretell polaroid slip table, set up the epaxial polarization beam splitter of output light of polaroid slip table, and set up and be in frequency doubling subassembly on the reflection light path on the polarization beam splitter.

The utility model also provides a laser instrument, including foretell sorting system.

The utility model provides a pair of polaroid slip table, sorting system and laser instrument has following beneficial effect:

the polarizer is inserted into and withdrawn from the optical path by arranging a first driving device and a second transmission device, and the first driving device drives the second driving device, the second transmission device, the polarizer base and the polarizer to be inserted into and withdrawn from the optical path through the first transmission device; the polarizing plate base and the polarizing plate are driven to rotate by the second driving device through the second transmission device, so that the polarizing plate can rotate; because the second drive arrangement is connected with first transmission's output, consequently can with the polaroid inserts and withdraws from behind the light path through second drive arrangement and the rotation of second transmission drive arrangement drive polaroid, so, make polaroid on the polaroid slip table can insert and withdraw from the light path realizes the switching of light path, and can rotate after inserting the light path to play the effect of adjusting the light path.

Drawings

Fig. 1 is a schematic structural diagram of a polarizer sliding table according to an embodiment of the present invention;

fig. 2 is another schematic structural view of a polarizer sliding table according to an embodiment of the present invention;

fig. 3 is a schematic light path diagram of a sorting system according to an embodiment of the present invention.

Description of the reference numerals:

100-polarizer slide;

120-a base;

130-a first drive; 141-a swing arm; 142-a bearing; 143-a slide block; 144-a chute; 145-a slide rail;

150-a second drive; 160-polarizer mount; 170-polarizer;

200-a polarizing beam splitter;

300-frequency doubling component.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another, and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Referring to fig. 1 and fig. 2, fig. 1 is a schematic structural diagram of a polarizer sliding table in an embodiment of the present invention, fig. 2 is another schematic structural diagram of a polarizer sliding table in an embodiment of the present invention, and the embodiment provides a polarizer sliding table, including: the polarizer assembly comprises a base 120, a first driving device 130 arranged on the base 120, a first transmission device arranged on the base 120 and having an input end connected with an output end of the first driving device 130, a second driving device 150 connected with an output end of the first transmission device, a second transmission device having an input end connected with an output end of the second driving device 150, a polarizer base 160 connected with an output end of the second transmission device, and a polarizer 170 arranged on the polarizer base 160, wherein the first driving device 130 drives the second driving device 150, the second transmission device, the polarizer base 160 and the polarizer 170 to be inserted into and withdrawn from an optical path through the first transmission device, and the second driving device 150 drives the polarizer base 160 and the polarizer 170 to rotate through the second transmission device.

By providing a first driving device and a second transmission device, and the first driving device 130 drives the second driving device 150, the second transmission device, the polarizer base 160 and the polarizer 170 to insert into and withdraw from the optical path through the first transmission device, the insertion and withdrawal of the polarizer 170 into and out of the optical path can be realized; the second driving device 150 and the second transmission device are arranged, and the second driving device 150 drives the polarizer base 160 and the polarizer 170 to rotate through the second transmission device, so that the polarizer 170 can rotate; because the second driving device 150 is connected with the output end of the first transmission device, the polarizer 170 can be driven to rotate by the second driving device 150 and the second transmission device after the polarizer 170 is inserted into and withdrawn from the optical path, so that the polarizer 170 on the polarizer sliding table can be inserted into and withdrawn from the optical path, the optical path can be switched, and the polarizer can rotate after being inserted into the optical path, thereby adjusting the optical path.

Specifically, the first driving device 130 is a rotation driving device. Preferably, the rotary drive device is a self-holding electromagnet. The self-holding electromagnet has the characteristics that continuous power-on is not needed, power-on is needed only when the electromagnet acts, action switching is realized by switching the current direction, the control panel can be powered off after the electromagnet moves to a specified position, the power consumption is almost zero, and the self-holding electromagnet is sucked and self-held in the electromagnet after power-off. Compared with other driving devices, such as common electromagnets, the self-holding electromagnet has the advantages of low power consumption and small heat generation. Compared with a positioning motor, the motor has the advantages of low cost, easy integration, no need of additional drivers, single chip microcomputer control, low power consumption and small heat productivity.

Referring to fig. 1 and 2, the first transmission device includes a swing arm 141 having one end rotatably connected to the base 120, a bearing 142 rotatably connected to the other end of the swing arm 141, a slider 143 slidably connected to the bearing 142, and a slide rail 145 disposed on the base 120, wherein the slider 143 is slidably connected to the slide rail 145, the second driving device 150 is fixedly disposed on the slider 143, and the polarizer base 160 is rotatably connected to the slider 143. In this embodiment, the swing arm 141, the bearing 142, the slider 143, the slide rail 145 and the base 120 form a planar dual-slider 143 mechanism, the first driving device 130 drives the swing arm 141 to swing, the swing arm 141 drives the bearing 142 to move relative to the slider 143, and the slider 143 moves relative to the base 120, so that the second driving device 150 and the polarizer base 160 disposed on the slider 143 are driven by the first driving device 130 to move relative to the base 120, and the polarizer base 160 and the polarizer 170 are inserted into and withdrawn from the optical path. The bearing 142 is slidably connected with the sliding block 143, so that friction resistance can be reduced, and running noise can be reduced.

Referring to fig. 1 and 2, the sliding block 143 is provided with a sliding slot 144 for the bearing 142 to slide, so that the bearing 142 is slidably connected with the sliding block 143. And one side of the sliding groove 144 extends to the edge of the sliding block 143 and communicates with the edge of the sliding block 143, so that the assembly of the transmission device can be facilitated.

The first transmission device is provided with mechanical hard limit, and the repeated positioning precision can reach +/-0.05 mm.

The sliding rail 145 is a ball linear guide, which can improve the accuracy of the first transmission device and reduce friction and noise generated by friction.

The second transmission means includes a first gear provided at an output end of the second driving means 150, and a second gear provided on the polarizer base 160, the first gear being engaged with the second gear.

Referring to fig. 3, fig. 3 is a schematic diagram of an optical path of a sorting system in an embodiment of the present invention, and this embodiment further provides a sorting system, the sorting system includes the above-mentioned polaroid sliding table 100, a polarization beam splitter 200 disposed on an output optical axis of the polaroid sliding table 100, and a frequency doubling component 300 disposed on a reflection optical path on the polarization beam splitter 200. The light path enters the polarization beam splitter 200 after passing through the polarizer 170 in the polarizer sliding table 100, is partially reflected under the action of the polarization beam splitter 200 and then enters the frequency doubling module 300, and is directly emitted after being partially transmitted. Because the polarizer sliding table 100 is arranged in the sorting system and the polarizer 170 can rotate, the polarizer 170 and the polarization beam splitter 200 are combined to adjust the distribution proportion of the energy of the two light paths emitted from the polarization beam splitter 200, so that the dual-light-path output effect is achieved, moreover, one path transmitted by the polarization beam splitter 200 can keep the polarization state unchanged, and one path partially reflected by the polarization beam splitter 200 and then enters the frequency doubling assembly 300 can generate green light under the action of the frequency doubling assembly 300. In addition, the polarizer 170 is a plane glass structure, which does not affect the optical path, that is, the polarizer sliding table 100 has no effect on the optical path, and does not affect the optical directivity, and the sorting system is an extremely high-precision optical path switching system and an energy regulation and control system.

The present embodiment also provides a laser, which includes the sorting system in the above embodiments.

The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and any modification and modification made by those skilled in the art according to the above disclosure are all within the scope of the claims.

Claims (9)

1. A polaroid slip table characterized by comprising: the base sets up first drive arrangement on the base sets up on the base, the input with the first transmission that first drive arrangement's output is connected, with the second drive arrangement that first transmission's output is connected, the input with the second transmission that second drive arrangement's output is connected, the polaroid base that is connected with second transmission's output, and set up and be in polaroid on the polaroid base, wherein, first drive arrangement passes through first transmission drive second drive arrangement second transmission, the polaroid base with the polaroid inserts and withdraws from the light path, the second drive arrangement passes through the second transmission drive the polaroid base with the polaroid rotation.

2. The polarizer slide table of claim 1, wherein the first driving means is a rotary driving means.

3. The polarizer slide table of claim 2, wherein the rotational drive is a self-sustaining electromagnet.

4. The polarizer sliding table according to claim 1, wherein the first actuator includes a swing arm having one end rotatably connected to the base, a bearing rotatably connected to the other end of the swing arm, a slider slidably connected to the bearing, and a slide rail provided on the base, wherein the slider is slidably connected to the slide rail, the second actuator is fixedly provided on the slider, and the polarizer base is rotatably connected to the slider.

5. The polarizer sliding table according to claim 4, wherein a sliding groove for sliding the bearing is formed in the slider.

6. The polarizer slide of claim 4, wherein the slide rail is a ball linear guide.

7. The polarizer sliding table according to claim 1, wherein the second transmission means includes a first gear provided at an output end of the second driving means, and a second gear provided on the polarizer base, the first gear being engaged with the second gear.

8. A sorting system comprising the polarizing plate slide table according to any one of claims 1 to 7, a polarization beam splitter provided on an output optical axis of the polarizing plate slide table, and a frequency doubling module provided on a reflected optical path on the polarization beam splitter.

9. A laser comprising the sorting system of claim 8.

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