CN212875030U

CN212875030U - Positioning device for laser crystal and focusing lens

Info

Publication number: CN212875030U
Application number: CN202022276642.8U
Authority: CN
Inventors: 吴阳
Original assignee: Chengdu Woda Huikang Technology Co ltd
Current assignee: Chengdu Woda Huikang Technology Co ltd
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2021-04-02
Anticipated expiration: 2030-10-14

Abstract

The utility model discloses a laser crystal and focusing lens's positioner, including the laser crystal that level placed in proper order, focusing lens, still include the upper and lower distribution fixed body of two subtend settings, every fixed body is including the solid portion that is connected, hollow portion, solid portion, hollow portion outwards distributes along the central line in space between two fixed bodies in proper order, solid portion is porous ceramic plate, laser crystal, in the solid portion of a fixed body of focusing lens's top embedding, laser crystal, in the solid portion of another fixed body of focusing lens's bottom embedding, be equipped with the tuber pipe in the fixed body, the water pipe, the tuber pipe, the water pipe all is on a parallel with laser crystal, focusing lens's connecting wire direction. The utility model provides a current laser crystal and focusing lens's positioner cause damage easily, the part is many and complicated, occupation space is big, installation operation is complicated and not enough for a long time etc..

Description

Positioning device for laser crystal and focusing lens

Technical Field

The utility model relates to a laser technical field specifically is a laser crystal and focusing lens's positioner.

Background

The focusing lens belongs to a gradient refractive index lens, and refers to a cylindrical optical lens with the refractive index distribution gradually changed along the radial direction. The light source device can enable light transmitted along the axial direction to generate continuous refraction, and therefore emergent light rays are smoothly and continuously converged to one point. Since gradient index lenses have end-face collimating, coupling and imaging properties, they are not only successfully used in the imaging field (copiers, facsimile machines, endoscopes and compact disc lenses, etc.), but also in fiber-optic communications, focusing lenses widely used in a variety of different miniature optical systems are generally of 5 basic types: i.e. plano-convex, positive meniscus, aspherical, diffractive and reflective lenses.

In use, the laser crystal is used as a reaction medium for emitting laser light, and is often required to be connected with and positioned by a focusing lens for matching. In the prior art, a focusing lens is fixed through a lens seat, a bracket and other positioning devices, a laser crystal is fixed through a laser crystal seat and other devices, and then the focusing lens and the laser crystal are connected through a locking device, a screw and other fastening devices and a connecting rod and other devices. Such devices suffer from the following disadvantages: 1. the fastening devices such as locking devices, screws and the like are rigidly connected with the laser crystal and the focusing lens, so that the laser crystal and the focusing lens are often damaged in the moving and debugging processes; 2. because the fixing and connecting devices are separately arranged and a space is often required to be additionally reserved for arranging devices such as a heat dissipation device and the like, the number of parts is large and complicated, the occupied space is large, and the installation operation is complicated and long in time.

SUMMERY OF THE UTILITY MODEL

For overcoming the not enough of prior art, the utility model provides a positioner of laser crystal and focusing lens solves current positioner of laser crystal and focusing lens and causes damage, parts many and complicated, occupation space is big easily, installation operation is complicated and not enough for a long time etc..

The utility model provides a technical scheme that above-mentioned problem adopted is:

the utility model provides a laser crystal and focusing lens's positioner, including the laser crystal that level placed in proper order, focusing lens, still include the upper and lower distribution fixed body of two subtend settings, every fixed body is including the solid portion that is connected, hollow portion, solid portion, hollow portion outwards distributes along the central line in proper order in the space between two fixed bodies, solid portion is porous ceramic plate, laser crystal, focusing lens's top embedding solid portion of a fixed body, laser crystal, in the solid portion of another fixed body of bottom embedding of focusing lens, the fixed internal tuber pipe that is equipped with, the water pipe, the tuber pipe, the water pipe all is on a parallel with laser crystal, focusing lens's connecting wire direction, the tuber pipe is crossed, the water pipe is located laser crystal, the both sides of focusing lens's connecting wire.

Among this technical scheme, laser crystal, focusing lens's top, bottom are used for imbedding the solid portion of upper and lower distribution fixed body, thereby solid portion plays the fixed effect of location to laser crystal, focusing lens simultaneously, and moreover, solid portion has still played the connection effect to laser crystal, focusing lens, and this kind of connection is indirect, also is the integral type. The laser crystal is used for emitting laser, and the laser is processed through the focusing lens; in the working process, the laser crystal and the focusing lens can generate heat, the solid part is a porous ceramic plate which has good heat conduction effect, so that heat can be conveniently led out, the fixing body is internally provided with an air passing pipe and a water passing pipe which are respectively externally connected with a cold air source and a cold water source, the laser crystal and the focusing lens can be cooled through two ways of air cooling and water cooling, the cooling effect is good, the speed is high, and the service lives of the laser crystal and the focusing lens can be prolonged; air passing pipe, water passing pipe all are on a parallel with laser crystal, focusing lens's connecting wire direction, and such setting is favorable to outwards dispersing the ground heat dissipation from laser crystal, focusing lens's center, and air passing pipe, water passing pipe are located the both sides of laser crystal, focusing lens's connecting wire, and this makes laser crystal, focusing lens's both sides receive the cooling action simultaneously, more is favorable to accelerating refrigerated speed. The connecting, fixing and cooling devices are integrated together, the connecting, fixing and cooling functions can be realized simultaneously, the structure is simple, the number of parts is small, and the space is saved; in addition, no fastening devices such as locking devices and screws are arranged, so that the laser lens is only required to be moved away or put into the upper fixing body during disassembly, reassembly, movement, debugging and the like, the installation operation is simple and convenient, the time is saved, and the laser lens and the focusing lens are not easily damaged.

Preferably, one part of the air passing pipe is positioned in the solid part, the other part of the air passing pipe is positioned in the hollow part, and the water passing pipe is positioned in the solid part. One part of heat generated by the laser crystal and the focusing lens is led out through the solid parts, the pipe wall of the air passing pipe and cold air in the air passing pipe, and the other part of heat is led out through air in a gap between the upper solid part and the lower solid part, the pipe wall of the air passing pipe and the cold air in the air passing pipe, so that the heat dissipation area of the laser crystal and the focusing lens is increased.

Preferably, the horizontal diametrical line of the overfire duct coincides with a boundary between the solid portion and the hollow portion. Half of crossing the tuber pipe is located solid portion, and half of crossing the tuber pipe is located hollow portion, and the heat dissipation space of dividing equally the tuber pipe is divided equally by the boundary of solid portion, hollow portion, is favorable to utilizing the heat-sinking capability of tuber pipe better more evenly to reach from solid portion heat conduction and from the balanced optimization of the air heat conduction in space between two piece upper and lower solid portions, thereby further promote the heat dissipation efficiency.

Preferably, the interfaces of the air passing pipe and the water passing pipe in the upper fixing body and the lower fixing body are centrosymmetric about the point of the center line of the two fixing bodies, which is positioned on the same cross section. The air passing pipes and the water passing pipes are symmetrically distributed at intervals, so that the heat dissipation uniformity of the upper part and the lower part of each of the fixing body, the laser crystal and the focusing lens is facilitated, the overheating caused by the fact that heat is gathered in a certain area or local heat cannot be dissipated timely is avoided, the heat loss of the laser crystal and the focusing lens caused by the local overheating is prevented, and meanwhile, the service life of the fixing body is prolonged conveniently.

Preferably, the pipe wall of the air passing pipe in the hollow part is provided with a through hole. The through-hole makes cold wind in the air hose and the increase of the hot-air area of contact in the hollow portion, and is more abundant with the hot-air contact, can play the effect of cooling better, and in addition, along with cold and hot air's exchange, partly cold wind blows in hollow portion, has still increased the air flow for the hot-air is directly discharged through the space between two solid portions, has further promoted radiating effect, has alleviateed the radiating pressure of air hose.

Preferably, the solid part of the lower fixing body is provided with a groove, a clamp is arranged in the groove, and the bottom end of the focusing lens is embedded into a clamping jaw of the clamp. The groove is used for accommodating and fixing the top and the bottom of the focusing lens, and the clamp is used for further clamping and stabilizing the focusing lens, so that the positioning effect of the focusing lens is better, and the stability is stronger.

Preferably, the bottom of the clamp is provided with a fixing block. The fixed block conveniently prevents the skew of clip, and utilizes its gravity to prevent rocking, the swing of shaking of clip, and the stability of device further strengthens.

Preferably, the air passing pipe is a spiral pipe. The motion path of cold air in the air passing pipe, the contact time of the cold air with the inner wall of the air passing pipe and the contact area are increased by the spiral pipe, so that the heat dissipation capacity of the cold air can be more fully exerted, the wind energy is saved, and the heat dissipation efficiency is improved.

Compared with the prior art, the utility model, following beneficial effect has:

(1) the utility model can realize the functions of connection, fixation and cooling simultaneously, has simple structure, less parts, space saving, good cooling effect and high speed, is beneficial to prolonging the service life of the laser crystal and the focusing lens, has simple and convenient installation and operation, saves time and is not easy to damage the laser crystal and the focusing lens;

(2) the utility model increases the heat dissipation area of the laser crystal and the focusing lens, is beneficial to better and more uniformly utilizing the heat dissipation capacity of the air passing pipe, thereby achieving the balance optimization of air heat conduction, further improving the heat dissipation efficiency, preventing the heat loss of the laser crystal and the focusing lens caused by local overheating, simultaneously being convenient for improving the service life of the fixing body and lightening the heat dissipation pressure of the air passing pipe;

(3) the utility model has better positioning effect, convenient prevention of the deviation, the shaking and the swing of the clip and stronger stability;

(4) the utility model discloses a spiral pipe has increased the motion route of cold wind in the tuber pipe and with contact time and the area of contact of tuber pipe inner wall for its heat-sinking capability of cold wind ability performance more fully is favorable to practicing thrift the wind energy, improves the radiating efficiency.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view taken along plane A-A of FIG. 1;

FIG. 3 is a cross-sectional view taken along plane B-B of FIG. 2;

fig. 4 is a schematic view of the connection between the bottom of the focusing lens and the fixing body.

Reference numbers and corresponding part names in the drawings: 1. the laser device comprises a laser crystal, 2, a focusing lens, 3, a fixing body, 4, an air passing pipe, 5, a water passing pipe, 6, a clamp, 7, a fixing block, 31, a solid part, 32, a hollow part, 33, a groove, 41 and a through hole.

Detailed Description

The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.

Example 1

As shown in fig. 1 to 4, a positioning device for a laser crystal and a focusing lens comprises a laser crystal 1 and a focusing lens 2 which are horizontally arranged in sequence, and further comprises two opposite fixing bodies 3 which are distributed up and down, each fixing body 3 comprises a solid part 31 and a hollow part 32 which are connected, the solid part 31 and the hollow part 32 are distributed outwards in sequence along the central line of a gap between the two fixing bodies 3, the solid part 31 is a porous ceramic plate, the top ends of the laser crystal 1 and the focusing lens 2 are embedded into the solid part 31 of one fixing body 3, the bottom ends of the laser crystal 1 and the focusing lens 2 are embedded into the solid part 31 of the other fixing body 3, an air passing pipe 4 is arranged in the fixing body 3, the water pipe 5, the air pipe 4 and the water pipe 5 are all parallel to the direction of the connecting line of the laser crystal 1 and the focusing lens 2, and the air pipe 4 and the water pipe 5 are positioned at two sides of the connecting line of the laser crystal 1 and the focusing lens 2.

The top and bottom of the laser crystal 1 and the focusing lens 2 are embedded into the solid part 31 of the upper and lower distribution fixing body 3, so that the solid part 31 can fix the laser crystal 1 and the focusing lens 2, and the solid part 31 can connect the laser crystal 1 and the focusing lens 2 indirectly and integrally. When the laser processing device works, a laser excitation source is externally connected, under the action of the laser excitation source, the laser crystal 1 emits laser, and the laser is processed through the focusing lens 2; in the working process, the laser crystal 1 and the focusing lens 2 can generate heat, the solid part 31 is a porous ceramic plate and has a good heat conduction effect, so that heat can be conveniently led out, the fixing body 3 is internally provided with the air passing pipe 4 and the water passing pipe 5 which are respectively externally connected with a cold air source and a cold water source, the laser crystal 1 and the focusing lens 2 can be cooled through two ways of air cooling and water cooling, the cooling effect is good, the speed is high, and the service lives of the laser crystal 1 and the focusing lens 2 can be prolonged; air passing pipe 4, water passing pipe 5 all are on a parallel with laser crystal 1, focusing lens 2's connecting wire direction, and such setting is favorable to radiating outwards from laser crystal 1, focusing lens 2's center, and air passing pipe 4, water passing pipe 5 are located the both sides of laser crystal 1, focusing lens 2's connecting wire, and this makes laser crystal 1, focusing lens 2's both sides receive the cooling effect simultaneously, more is favorable to accelerating refrigerated speed. The connecting, fixing and cooling devices are integrated together, the connecting, fixing and cooling functions can be realized simultaneously, the structure is simple, the number of parts is small, and the space is saved; in addition, no fastening devices such as locking devices and screws are arranged, so that the laser lens is only required to be moved away or put into the fixing body 3 above during disassembly, reassembly, movement, debugging and the like, the installation operation is simple and convenient, the time is saved, and the laser lens and the focusing lens are not easily damaged.

Preferably, a part of the air duct 4 is located in the solid portion 31, another part of the air duct 4 is located in the hollow portion 32, and the water duct 5 is located in the solid portion 31. One part of heat generated by the laser crystal 1 and the focusing lens 2 is led out through the solid parts 31, the pipe walls of the air passing pipes 4 and cold air in the air passing pipes 4, and the other part of heat is led out through air in a gap between the upper solid part 31 and the lower solid part 31, the pipe walls of the air passing pipes 4 and the cold air in the air passing pipes 4, so that the heat dissipation areas of the laser crystal 1 and the focusing lens 2 are increased.

Preferably, the horizontal diametrical line of the air duct 4 coincides with the boundary between the solid portion 31 and the hollow portion 32. Half of the air passing pipe 4 is positioned in the solid part 31, half of the air passing pipe 4 is positioned in the hollow part 32, and the heat dissipation space which equally divides the air passing pipe 4 is equally divided by the boundary lines of the solid part 31 and the hollow part 32, so that the heat dissipation capacity of the air passing pipe 4 can be better and more uniformly utilized, the balance optimization of heat conduction from the solid part 31 and air heat conduction from the gap between the upper solid part 31 and the lower solid part 31 is achieved, and the heat dissipation efficiency is further improved.

Preferably, the interfaces of the air duct 4 and the water duct 5 in the upper and lower fixing bodies 3 are centrosymmetric about a point of the center line of the two fixing bodies 3, which is located on the same cross section. The symmetrical and spaced distribution of the air passing pipe 4 and the water passing pipe 5 is beneficial to the heat dissipation uniformity of the upper part and the lower part of the fixing body 3, the laser crystal 1 and the focusing lens 2, and avoids overheating caused by heat gathering in a certain area or due to the fact that local heat cannot be dissipated timely, so that the heat loss of the laser crystal 1 and the focusing lens 2 caused by local overheating is prevented, and meanwhile, the service life of the fixing body 3 is prolonged conveniently.

Preferably, the wall of the air passing pipe 4 in the hollow part 32 is provided with a through hole 41. Through-hole 41 makes the cold wind in the tuber pipe 4 and the increase of the hot-air area of contact in the hollow portion 32, and is more abundant with the hot-air contact, can play the effect of cooling better, and in addition, along with the exchange of cold and hot air, partly cold wind blows in hollow portion 32, has still increased the air flow for the hot-air is directly discharged through the space between two solid portions 31, has further promoted radiating effect, has alleviateed the radiating pressure of tuber pipe 4.

Example 2

In order to better demonstrate the present invention, as a further optimization of embodiment 1, this embodiment includes all the technical features of embodiment 1, and its difference lies in that this embodiment further includes the following technical features:

preferably, the solid portion 31 of the lower fixing body 3 is provided with a groove 33, the clip 6 is provided in the groove 33, and the bottom end of the focusing lens 2 is embedded in the grip of the clip 6. The recess 33 is used to accommodate the top and bottom of the fixed focusing lens 2, and the clamp 6 is used to further clamp and stabilize the focusing lens 2, so that the positioning effect of the focusing lens 2 is better and the stability is stronger.

Preferably, the bottom of the clamp 6 is provided with a fixing block 7. Fixed block 7 conveniently prevents clip 6's skew, and utilizes its gravity to prevent rocking, the swing of clip 6, and the stability of device further strengthens.

Preferably, the overfire air duct 4 is a spiral duct. The motion path of cold air in the air passing pipe 4 and the contact time and the contact area of the cold air with the inner wall of the air passing pipe 4 are increased by the spiral pipe, so that the heat dissipation capacity of the cold air can be more fully exerted, the wind energy is saved, and the heat dissipation efficiency is improved.

As above, the present invention can be preferably realized.

The above is only the preferred embodiment of the present invention, and the present invention is not limited to any form, and according to the technical essence of the present invention, any simple modification, equivalent replacement, and improvement made to the above embodiments, within the spirit and principle of the present invention, all still belong to the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a laser crystal and focusing lens's positioner, a serial communication port, including laser crystal (1) that level placed in proper order, focusing lens (2), still include two subtend setting's upper and lower distribution fixed body (3), every fixed body (3) are including solid portion (31) that are connected, hollow portion (32), solid portion (31), hollow portion (32) outwards distribute in proper order along the central line in the space between two fixed bodies (3), solid portion (31) are porous ceramic plate, laser crystal (1), the top embedding of focusing lens (2) is in solid portion (31) of a fixed body (3), laser crystal (1), the bottom embedding of focusing lens (2) is in solid portion (31) of another fixed body (3), be equipped with in fixed body (3) and cross tuber pipe (4), water passing pipe (5), cross tuber pipe (4), water passing pipe (5) all are on a parallel with laser crystal (1), And in the direction of a connecting line of the focusing lens (2), the air passing pipe (4) and the water passing pipe (5) are positioned at two sides of the connecting line of the laser crystal (1) and the focusing lens (2).

2. The positioning device for the laser crystal and the focusing lens as claimed in claim 1, wherein a part of the air passing pipe (4) is located in the solid portion (31), another part of the air passing pipe (4) is located in the hollow portion (32), and the water passing pipe (5) is located in the solid portion (31).

3. The positioning device for the laser crystal and the focusing lens as claimed in claim 2, wherein the diameter line of the horizontal direction of the air duct (4) coincides with the boundary line of the solid portion (31) and the hollow portion (32).

4. The positioning device of the laser crystal and the focusing lens as claimed in claim 2, wherein the interfaces of the air passing pipe (4) and the water passing pipe (5) in the upper and lower fixing bodies (3) are centrosymmetric about the point of the central line of the two fixing bodies (3) which is in the same cross section.

5. The positioning device for the laser crystal and the focusing lens as claimed in claim 1, wherein the wall of the air passing pipe (4) in the hollow part (32) is provided with a through hole (41).

6. The positioning device for the laser crystal and the focusing lens as claimed in claim 1, wherein the solid part (31) of the lower fixing body (3) is provided with a groove (33), the clamp (6) is arranged in the groove (33), and the bottom end of the focusing lens (2) is embedded in the clamping jaw of the clamp (6).

7. A positioning device for a laser crystal and a focusing lens according to claim 6, characterized in that the bottom of the clamp (6) is provided with a fixing block (7).

8. The positioning device for the laser crystal and the focusing lens as claimed in claim 1, wherein the air passing pipe (4) is a spiral pipe.