CN216325802U

CN216325802U - Laser head internal light path adjusting device

Info

Publication number: CN216325802U
Application number: CN202122799398.8U
Authority: CN
Inventors: 唐晔; 周翔
Original assignee: Shanghai Bosi Automation Technology Co ltd
Current assignee: Shanghai Bosi Automation Technology Co ltd
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-04-19
Anticipated expiration: 2031-11-16

Abstract

The utility model discloses a laser head internal light path adjusting device, which belongs to the technical field of laser and comprises a focusing adjusting block, an adjusting part and two elastic connecting pieces, wherein the end part of the focusing adjusting block is provided with a sliding groove, and a focusing lens is positioned in the focusing adjusting block; the adjusting part comprises an adjusting base, a first pin shaft and two adjusting pieces, wherein two ends of the first pin shaft are respectively positioned in the adjusting base and the sliding chute, the first pin shaft can slide in the sliding chute, the two adjusting pieces are respectively positioned on two sides of the sliding chute, one end of each adjusting piece is abutted against the focusing adjusting block, and the adjusting pieces are connected in the adjusting base and can move along the length direction of the sliding chute; two elastic connecting pieces are respectively positioned at two sides of the focusing adjusting block, and two ends of each elastic connecting piece are respectively connected with the focusing adjusting block and the adjusting base. The laser head internal light path adjusting device provided by the utility model is small in occupied space and high in adjusting precision.

Description

Laser head internal light path adjusting device

Technical Field

The utility model relates to the technical field of laser, in particular to a laser head internal light path adjusting device.

Background

The laser has the advantages of high brightness, high directivity, high monochromaticity, high coherence and the like, is widely applied, and has less material waste and strong adaptability to a processing object compared with the traditional processing technology.

When laser is actually used for processing, the laser emitted by a laser cannot be directly used for processing application, and the laser can be applied to processing generally only after a laser head is used for shaping a corresponding light path of the laser emitted by the laser. The laser head typically includes a collimating lens and a focusing lens, which is embodied as a point light source that converts scattered light generated by a laser into high energy perpendicular to the surface of a workpiece, but due to reasons such as processing, assembly, aging, etc., the focal point of a laser beam may have a position deviation, thereby affecting the processing precision, so that an adjusting mechanism needs to be added at the focusing lens for adjustment.

In the prior art, most of laser head adjusting mechanisms are front left direct adjusting, the mechanisms are complicated, the occupied space is large, and the adjusting precision is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an internal optical path adjusting device of a laser head, which aims to solve the technical problems of large occupied space and low adjusting precision in the prior art.

As the conception, the technical scheme adopted by the utility model is as follows:

an internal optical path adjusting device of a laser head, comprising:

the end part of the focusing adjusting block is provided with a sliding groove, and the focusing lens is positioned in the focusing adjusting block;

the adjusting part comprises an adjusting base, a first pin shaft and two adjusting pieces, two ends of the first pin shaft are respectively positioned in the adjusting base and the sliding groove, the first pin shaft can slide in the sliding groove, the two adjusting pieces are respectively positioned on two sides of the sliding groove, one end of each adjusting piece is abutted against the focusing adjusting block, and the adjusting pieces are connected in the adjusting base and can move along the length direction of the sliding groove;

and the two elastic connecting pieces are respectively positioned on two sides of the focusing adjusting block, and two ends of each elastic connecting piece are respectively connected with the focusing adjusting block and the adjusting base.

Further, the regulating part includes adjusting screw and fixed connection in the connection ball of adjusting screw tip, adjusting screw with adjust base threaded connection, connect the ball butt in focus regulating block.

Further, the focusing adjusting block comprises a main block body and a wear-resistant piece, a placing groove is formed in the main block body, the wear-resistant piece is fixed in the placing groove, and the connecting ball abuts against the end face of the wear-resistant piece.

Further, the surface of the wear-resistant plate contacting with the connecting ball is a plane.

Furthermore, the focusing adjusting block further comprises a second pin shaft, first grooves are formed in two sides of the main block body, the second pin shaft is fixed in the first grooves, and the elastic connecting piece is connected to the second pin shaft.

Furthermore, the adjusting part further comprises a third pin shaft, second grooves are formed in two sides of the adjusting base, the third pin shaft is fixed in the second grooves, and the elastic connecting piece is connected to the third pin shaft.

Further, elastic connection spare includes spring, first coupling hook and second coupling hook, first coupling hook with second coupling hook fixed connection in the both ends of spring, first coupling hook hang in the epaxial second round pin, the second coupling hook hang in the epaxial third round pin, the spring with the one end that first coupling hook is connected is located in the first recess.

Further, the inside light path adjusting device of laser head still includes first sealing washer and second sealing washer, adjusting screw has head and pole portion, first sealing washer set up in the head with adjust between the base, the second sealing washer set up in the unthreaded department of pole portion with adjust between the base.

Further, the laser head internal light path adjusting device further comprises a third sealing ring, and the third sealing ring is connected to the adjusting base close to the end part of the focusing adjusting block.

Furthermore, still be equipped with first through-hole on the focus regulating block, first through-hole with the spout intercommunication, the upper and lower both ends of adjusting the base all are equipped with the second through-hole, first round pin axle can pass the second through-hole with first through-hole.

The utility model has the beneficial effects that:

the utility model provides a laser head internal light path adjusting device, when a focusing adjusting block needs to be adjusted to rotate, one adjusting piece moves forwards by moving two adjusting pieces, the other adjusting piece moves backwards, the distance of the forward movement is equal to the distance of the backward movement, the rotation of the focusing adjusting block is realized, when the focusing adjusting block needs to be adjusted to move horizontally, the two adjusting pieces move forwards or backwards simultaneously by equal distances, the adjustment is easy, the adjustment precision is high, an adjusting base is connected with the focusing adjusting block through a first pin shaft, the first pin shaft moves in a sliding groove, so that the adjusting pieces can smoothly drive the focusing adjusting block to move horizontally, the adjustment base ensures the connection stability through an elastic connecting piece, the structure is simple, the structural arrangement is compact, and the occupied space is small. The laser head internal light path adjusting device provided by the utility model is small in occupied space and high in adjusting precision.

Drawings

Fig. 1 is a first schematic structural diagram of an internal optical path adjusting device of a laser head provided by an embodiment of the utility model;

fig. 2 is a schematic structural diagram ii of an internal optical path adjusting device of a laser head according to an embodiment of the present invention;

fig. 3 is a top view of an optical path adjusting device inside a laser head provided by an embodiment of the utility model;

fig. 4 is a partial structural schematic diagram of an internal optical path adjusting device of a laser head provided by an embodiment of the utility model;

fig. 5 is a partial structural sectional view of an optical path adjusting device inside a laser head according to an embodiment of the present invention.

In the figure:

1. a focus adjustment block; 11. a main block body; 12. a wear resistant sheet; 13. a second pin shaft; 14. a first groove;

2. an adjustment section; 21. adjusting the base; 22. a first pin shaft; 23. an adjustment member; 231. adjusting screws; 232. a connecting ball; 24. a third pin shaft; 25. a second groove;

3. an elastic connecting member; 31. a spring; 32. a first connecting hook; 33. a second connecting hook;

4. a chute;

51. a first seal ring; 52. a second seal ring;

6. a third seal ring;

71. a first through hole; 72. a second via.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.

The embodiment of the utility model provides a laser head internal optical path adjusting device which is used for adjusting an internal optical path of a laser head.

Referring to fig. 1 to 5, the optical path adjusting device inside the laser head comprises a focusing adjusting block 1, an adjusting part 2 and two elastic connecting pieces 3, wherein the end part of the focusing adjusting block 1 is provided with a sliding groove 4, and a focusing lens is positioned in the focusing adjusting block 1; the adjusting part 2 comprises an adjusting base 21, a first pin shaft 22 and two adjusting pieces 23, two ends of the first pin shaft 22 are respectively positioned in the adjusting base 21 and the sliding groove 4, the first pin shaft 22 can slide in the sliding groove 4, the two adjusting pieces 23 are respectively positioned at two sides of the sliding groove 4, one end of each adjusting piece 23 is abutted against the focusing adjusting block 1, and the adjusting pieces 23 are connected in the adjusting base 21 and can move along the length direction of the sliding groove 4; two elastic connecting pieces 3 are respectively positioned at two sides of the focusing adjusting block 1, and two ends of the elastic connecting pieces 3 are respectively connected with the focusing adjusting block 1 and the adjusting base 21.

When the focusing adjusting block 1 needs to be adjusted to rotate, namely, when the focusing adjusting block is adjusted in the direction A or the direction opposite to the direction A in figure 3, one adjusting piece 23 moves forwards by moving the two adjusting pieces 23, the other adjusting piece 23 moves backwards, the distance of the forward movement is equal to the distance of the backward movement, the rotation of the focusing adjusting block 1 is realized, when the focusing adjusting block 1 needs to be adjusted to move horizontally, namely, when the focusing adjusting block is adjusted in the direction B or the direction opposite to the direction B in figure 3, the two adjusting pieces 23 simultaneously move forwards or backwards by equal distances, the adjustment is easy, the adjustment precision is high, the adjusting base 21 is connected with the focusing adjusting block 1 through the first pin shaft 22, the first pin shaft 22 moves in the sliding groove 4, so that the adjusting piece 23 can smoothly drive the focusing adjusting block 1 to move horizontally, the adjusting base 21 ensures the stability of connection through the elastic connecting piece 3, and the structure is simple, the structure is arranged compactly, and the occupied space is small.

Referring to fig. 1 and 4, the focusing adjusting block 1 is further provided with a first through hole 71, the first through hole 71 is communicated with the sliding groove 4, the upper end and the lower end of the adjusting base 21 are both provided with a second through hole 72, and the first pin 22 can penetrate through the second through hole 72 and the first through hole 71, so that the first pin 22 can enter from one second through hole 72, and when the adjusting base is required to be detached, the first through hole 71 and the other second through hole 72 go out.

Referring to fig. 1, 4 and 5, adjusting part 23 includes adjusting screw 231 and fixed connection in the connecting ball 232 of adjusting screw 231 tip, adjusting screw 231 and regulation base 21 threaded connection, connecting ball 232 butt in focus regulating block 1, the one end that adjusting screw 231 keeps away from focus regulating block 1 has the regulation hole, can insert the regulation downthehole rotation to adjusting screw 231 through the instrument, adjusting screw 231 is rotatory the round, connecting ball 232 has only moved less distance, the adjustment precision is high, connecting ball 232 is the stainless steel ball.

The focusing adjusting block 1 comprises a main block body 11 and wear-resistant pieces 12, a placing groove is formed in the main block body 11, the wear-resistant pieces 12 are fixed in the placing groove, the connecting balls 232 abut against the end faces of the wear-resistant pieces 12, the connecting balls 232 rub with the focusing adjusting block 1 in the adjusting process, and the wear-resistant pieces 12 prevent the focusing adjusting block 1 from being damaged to influence adjusting precision.

The contact surface of the wear-resistant plate 12 and the connecting ball 232 is a plane, that is, the wear-resistant plate 12 and the connecting ball 232 are point-contact, so that the adjusting precision is high.

Referring to fig. 1, the focusing adjustment block 1 further comprises a second pin shaft 13, first grooves 14 are formed in two sides of the main block body 11, the second pin shaft 13 is fixed in the first grooves 14, and the elastic connecting piece 3 is connected to the second pin shaft 13.

Regulating part 2 still includes third round pin axle 24, and the both sides of adjusting base 21 all are equipped with second recess 25, and third round pin axle 24 is fixed in second recess 25, and elastic connection spare 3 is connected on third round pin axle 24, simple structure, easily installation.

Elastic connection piece 3 includes spring 31, first coupling hook 32 and second coupling hook 33, and first coupling hook 32 and second coupling hook 33 fixed connection are in the both ends of spring 31, and first coupling hook 32 is hooked on second round pin axle 13, and second coupling hook 33 is hooked on third round pin axle 24, and the one end that spring 31 and first coupling hook 32 are connected is located first recess 14, convenient to detach and installation, and it is convenient to change.

Referring to fig. 4 and 5, the optical path adjusting device inside the laser head further includes a first sealing ring 51 and a second sealing ring 52, the adjusting screw 231 has a head portion and a rod portion, the first sealing ring 51 is disposed between the head portion and the adjusting base 21, and the second sealing ring 52 is disposed between the non-threaded portion of the rod portion and the adjusting base 21, so that the sealing performance of the optical path adjusting device inside the laser head is ensured.

Referring to fig. 2, 4 and 5, the laser head internal light path adjusting device further comprises a third sealing ring 6, the third sealing ring 6 is connected in the end portion of the adjusting base 21 close to the focusing adjusting block 1, the laser head internal light path adjusting device is installed on other devices inside the laser head, and the third sealing ring 6 ensures the sealing performance between the laser head internal light path adjusting device and parts connected with the laser head internal light path adjusting device.

The first pin 22 and the third pin 24 are both knurled pins, and the second pin 13 is a cylindrical pin.

The foregoing embodiments are merely illustrative of the principles and features of this invention, which is not limited to the above-described embodiments, but rather is susceptible to various changes and modifications without departing from the spirit and scope of the utility model, which changes and modifications are within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. An internal optical path adjusting device of a laser head, comprising:

the focusing adjusting block (1) is provided with a sliding groove (4) at the end part, and a focusing lens is positioned in the focusing adjusting block (1);

the adjusting part (2) comprises an adjusting base (21), a first pin shaft (22) and two adjusting pieces (23), two ends of the first pin shaft (22) are respectively located in the adjusting base (21) and the sliding chute (4), the first pin shaft (22) can slide in the sliding chute (4), the two adjusting pieces (23) are respectively located on two sides of the sliding chute (4), one end of each adjusting piece is abutted to the focusing adjusting block (1), and the adjusting pieces (23) are connected in the adjusting base (21) and can move along the length direction of the sliding chute (4);

two elastic connecting pieces (3) are respectively positioned on two sides of the focusing adjusting block (1), and two ends of each elastic connecting piece (3) are respectively connected with the focusing adjusting block (1) and the adjusting base (21).

2. The laser head internal optical path adjusting device according to claim 1, wherein the adjusting member (23) comprises an adjusting screw (231) and a connecting ball (232) fixedly connected to an end of the adjusting screw (231), the adjusting screw (231) is in threaded connection with the adjusting base (21), and the connecting ball (232) abuts against the focusing adjusting block (1).

3. The laser head internal optical path adjusting device according to claim 2, wherein the focus adjusting block (1) comprises a main block body (11) and a wear-resistant piece (12), a placing groove is formed in the main block body (11), the wear-resistant piece (12) is fixed in the placing groove, and the connecting ball (232) abuts against the end face of the wear-resistant piece (12).

4. The laser head internal optical path adjusting device according to claim 3, wherein the surface of the wear-resistant piece (12) contacting the connecting ball (232) is a plane.

5. The internal optical path adjusting device of laser head according to claim 3, wherein the focusing adjusting block (1) further comprises a second pin (13), first grooves (14) are formed on both sides of the main block body (11), the second pin (13) is fixed in the first grooves (14), and the elastic connecting piece (3) is connected to the second pin (13).

6. The internal optical path adjusting device for laser head according to claim 5, wherein the adjusting part (2) further comprises a third pin (24), second grooves (25) are formed in both sides of the adjusting base (21), the third pin (24) is fixed in the second grooves (25), and the elastic connecting piece (3) is connected to the third pin (24).

7. The internal optical path adjusting device of laser head according to claim 6, wherein the elastic connecting part (3) comprises a spring (31), a first connecting hook (32) and a second connecting hook (33), the first connecting hook (32) and the second connecting hook (33) are fixedly connected to two ends of the spring (31), the first connecting hook (32) is hooked on the second pin (13), the second connecting hook (33) is hooked on the third pin (24), and one end of the spring (31) connected with the first connecting hook (32) is located in the first groove (14).

8. The internal optical path adjusting device for laser heads of claim 2, further comprising a first seal ring (51) and a second seal ring (52), wherein the adjusting screw (231) has a head and a shaft, the first seal ring (51) is disposed between the head and the adjusting base (21), and the second seal ring (52) is disposed between the non-threaded portion of the shaft and the adjusting base (21).

9. The laser head internal optical path adjusting device according to claim 1, further comprising a third sealing ring (6), wherein the third sealing ring (6) is connected in an end portion of the adjusting base (21) close to the focus adjusting block (1).

10. The internal optical path adjusting device for laser heads according to claim 1, wherein a first through hole (71) is further formed in the focusing adjusting block (1), the first through hole (71) is communicated with the sliding groove (4), second through holes (72) are formed in the upper end and the lower end of the adjusting base (21), and the first pin shaft (22) can penetrate through the second through hole (72) and the first through hole (71).