CN219581910U

CN219581910U - Laser focusing device

Info

Publication number: CN219581910U
Application number: CN202320429662.5U
Authority: CN
Inventors: 丁智勇
Original assignee: Kunshan Huijia Laser Technology Co ltd
Current assignee: Kunshan Huijia Laser Technology Co ltd
Priority date: 2023-03-09
Filing date: 2023-03-09
Publication date: 2023-08-25
Anticipated expiration: 2033-03-09

Abstract

The utility model belongs to the technical field of laser focusing devices, and particularly relates to a laser focusing device which solves the problems that the laser focusing device is easy to deviate and cannot be fixed in the prior art and comprises a base, wherein the top of the base is fixedly connected with an upright post and a workbench through screws; through the setting of fixed block and stand isotructure, rotate the carousel, the round bar drives fixed block downwardly moving, and the reflector holder also moves down thereupon, because whole fixed block sliding connection is in the inside of stand, so can not produce axial skew in the time of the downwardly moving of whole reflector holder for at the in-process of focusing more accurate.

Description

Laser focusing device

Technical Field

The utility model relates to the technical field of laser focusing devices, in particular to a laser focusing device.

Background

Laser processing is widely used in various fields because of its advantages such as small thermal influence, high processing precision, and high speed. Before laser processing, the distance between the focusing lens and the processed material needs to be adjusted, that is, focusing is needed. When the focus is adjusted to the optimal position, high energy density can be obtained at the focus, and the processed material is gasified instantly under the action of laser, so that the processing of the material is realized, and the best effect is generated. With the development of integrated circuits and computer technologies, the autofocus technology is widely applied in the fields of camera imaging, machine vision, optical automated detection, and the like. The laser automatic focusing device is a device for effectively adjusting the laser focus position, and can achieve better processing effect during laser processing.

The authorized bulletin number in the prior art is: CN206010147U, name is a laser processing autofocus device, and this laser processing autofocus device can realize autofocus at laser processing's in-process, and the corresponding speed of whole device is fast, and the structure is small and exquisite, can realize accurate focusing, and focus central point position is also very stable after focusing is accomplished, can not change easily, has guaranteed processingquality. The automatic focusing device is particularly suitable for laser processing of irregularly-shaped curved surfaces or materials with uneven thickness, and can greatly improve the processing efficiency and the processing quality of laser processing.

However, when the laser focusing device is used, the laser can axially shift during focusing, so that the laser is easy to shift during focusing, and accidents can not be easily caused when materials with higher processing precision are not fixed.

Disclosure of Invention

The utility model aims to provide a laser focusing device which solves the problems that the laser focusing device is easy to shift and cannot be fixed.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the laser focusing device comprises a base, wherein the top of the base is fixedly connected with an upright post and a workbench through screws, a round rod is rotatably arranged at the top of the base, external threads are arranged on the outer peripheral surface of the round rod, the top of the round rod is fixedly connected with a rotary table through screws, the external threads of the round rod are connected with a fixed block, and one side of the fixed block is fixedly connected with a reflector seat through screws;

the inside sliding fit of stand has first rack, one side of first rack is through screw fixedly connected with lug, the inside rotation of workstation is installed the gear, the gear with first rack meshing is connected, the inside sliding fit of workstation has the second rack, the second rack with gear meshing is connected.

Preferably, a sliding groove is formed in the workbench, a clamping seat is connected to the sliding groove in a sliding mode, the bottom of the clamping seat is fixedly connected with the second rack through a screw, and a groove is formed in one side of the clamping seat.

Preferably, a circular groove is formed in the workbench, the circular rod is rotatably mounted in the circular groove, and the circular rod penetrates through the upright post.

Preferably, the inside of stand and the inside of base have offered the straight flute jointly, first rack sliding connection is in the inside of straight flute, the part of gear is located the inside of straight flute, the diapire welding of straight flute has the spring, the other end welding of spring is in the bottom of first rack.

Preferably, a square groove is formed in the workbench, the gear is rotatably arranged in the square groove, and the square groove is communicated with the straight groove.

Preferably, a sliding groove is formed in the workbench, the clamping seat and the second rack are both in sliding connection with the inside of the sliding groove, the sliding groove is communicated with the square groove, and the second rack penetrates through the straight groove.

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

1. according to the utility model, through the arrangement of the structures such as the fixed block, the upright post and the like, the turntable is rotated, the round rod drives the fixed block to move downwards, and the reflector seat also moves downwards, and because the whole fixed block is connected inside the upright post in a sliding way, the whole reflector seat cannot generate axial offset when moving downwards, so that the focusing process is more accurate.

2. According to the utility model, materials are placed in the clamping seat and the structures such as the convex blocks are arranged, then the reflecting mirror seat is adjusted to move downwards, after the reflecting mirror seat moves to a moving distance, the fixing block drives the convex blocks to move downwards, the first rack moves along with the convex blocks, the gear also rotates along with the convex blocks, the gear drives the second rack to move, the clamping seat withdraws a workpiece for processing, the reflecting mirror seat ascends after the processing is finished, the gear rack resets due to the action of the spring, and the clamping seat pushes out the workpiece, so that the working efficiency is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a side cross-sectional view of the present utility model;

fig. 3 is a front cross-sectional view of the present utility model.

In the figure: 1. a base; 2. a work table; 3. a clamping seat; 4. a column; 5. a round bar; 6. a turntable; 7. a reflector base; 8. a groove; 9. a first rack; 10. a gear; 11. a second rack; 12. a straight groove; 13. a square groove; 14. a chute; 15. a bump; 16. a circular groove; 17. a fixed block; 18. an external thread; 19. and (3) a spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, a laser focusing device comprises a base 1, wherein the top of the base 1 is fixedly connected with an upright post 4 and a workbench 2 through screws, a round rod 5 is rotatably arranged at the top of the base 1, external threads 18 are arranged on the outer peripheral surface of the round rod 5, a turntable 6 is fixedly connected to the top of the round rod 5 through screws, a fixing block 17 is connected to the external threads of the round rod 5, and a reflecting mirror seat 7 is fixedly connected to one side of the fixing block 17 through screws; the inside slip of stand 4 is equipped with first rack 9, the lug 15 is connected with through screw fixedly to one side of first rack 9, gear 10 is installed in the inside rotation of workstation 2, gear 10 with first rack 9 meshing is connected, the inside slip of workstation 2 is equipped with second rack 11, second rack 11 with gear 10 meshing is connected, through setting up of fixed block 17 and stand 4 isotructure, rotates carousel 6, and round bar 5 drives fixed block 17 downwardly moving, and reflector holder 7 also moves down thereupon, because whole fixed block 17 sliding connection is in the inside of stand 4, so can not produce axial skew in the time of whole reflector holder 7 moves down for more accurate in the in-process of focusing.

Referring to fig. 2, a chute 14 is provided in the workbench 2, a clamping seat 3 is slidably connected in the chute 14, the bottom of the clamping seat 3 is fixedly connected with the second rack 11 through a screw, a groove 8 is provided on one side of the clamping seat 3, materials are placed in the clamping seat 3 through the arrangement of the clamping seat 3 and a bump 15, then the reflector seat 7 is adjusted to move downwards, after the reflector seat 7 moves to a moving distance, the fixing block 17 drives the bump 15 to move downwards, the first rack 9 also moves along with the gear 10, the gear 10 also rotates along with the second rack 11, the clamping seat 3 withdraws a workpiece for processing, after the processing is completed, the reflector seat 7 rises, due to the action of a spring, the gear 10 rack resets, the clamping seat 3 pushes out the workpiece, and the working efficiency is improved.

Referring to fig. 2, a circular groove 16 is formed in the workbench 2, the circular rod 5 is rotatably mounted in the circular groove 16, and the circular rod 5 passes through the upright post 4.

Referring to fig. 2, a straight groove 12 is formed in the upright post 4 and the base 1, the first rack 9 is slidably connected in the straight groove 12, a portion of the gear 10 is located in the straight groove 12, a spring is welded to the bottom wall of the straight groove 12, and the other end of the spring is welded to the bottom of the first rack 9.

Referring to fig. 2, a square groove 13 is formed in the workbench 2, the gear 10 is rotatably mounted in the square groove 13, and the square groove 13 is communicated with the straight groove 12.

Referring to fig. 2, a sliding groove 14 is formed in the workbench 2, the clamping seat 3 and the second rack 11 are slidably connected in the sliding groove 14, the sliding groove 14 is communicated with the square groove 13, and the second rack 11 passes through the straight groove 12.

The specific implementation process of the utility model is as follows: firstly, a workpiece is placed in the clamping seat 3, then the rotary table 6 is rotated, the fixed block 17 moves downwards along the external thread 18 outside the round rod 5, the reflecting mirror seat 7 also moves downwards along the rotary table, the reflecting mirror seat 7 cannot be offset due to axial force due to the fact that the fixed block 17 is connected in the upright column 4 in a sliding mode, after the fixed block 17 descends to a certain degree, the protruding block 15 is pushed to move downwards, the first rack 9 also moves downwards along with the fixed block, the first rack 9 drives the gear 10 to rotate, the gear 10 drives the second rack 11 to move along with the clamping seat 3, then the workpiece starts to be machined, after machining is finished, the rotary table 6 is rotated, the fixed block 17 drives the reflecting mirror seat 7 to ascend, after the fixed block 17 ascends to a certain distance, the protruding block 15 loses limit, the first rack 9 is sprung upwards due to the effect of a spring, the first rack 9 drives the gear 10 to reversely rotate along with the fixed block, the second rack 11 is pushed out along with the clamping seat 3, the workpiece is taken out through the groove 8 on one side of the clamping seat 3, and machining efficiency is improved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Laser focusing device, including base (1), its characterized in that: the top of the base (1) is fixedly connected with an upright post (4) and a workbench (2) through screws, a round rod (5) is rotatably arranged at the top of the base (1), external threads (18) are arranged on the outer peripheral surface of the round rod (5), a rotary table (6) is fixedly connected with the top of the round rod (5) through screws, a fixed block (17) is connected with the external threads of the round rod (5), and a reflector seat (7) is fixedly connected with one side of the fixed block (17) through screws;

the inside slip of stand (4) is equipped with first rack (9), one side of first rack (9) is through screw fixedly connected with lug (15), gear (10) is installed in the inside rotation of workstation (2), gear (10) with first rack (9) meshing is connected, the inside slip of workstation (2) is equipped with second rack (11), second rack (11) with gear (10) meshing is connected.

2. The laser focusing device as claimed in claim 1, wherein: the inside of workstation (2) has seted up spout (14), the inside sliding connection of spout (14) has cassette (3), the bottom of cassette (3) with second rack (11) pass through screw fixed connection, recess (8) have been seted up to one side of cassette (3).

3. The laser focusing device as claimed in claim 1, wherein: the inside of workstation (2) has seted up circular slot (16), round bar (5) rotate and install the inside in circular slot (16), round bar (5) pass stand (4).

4. A laser focusing apparatus as defined in claim 2, wherein: straight flute (12) have been seted up jointly to the inside of stand (4) and the inside of base (1), first rack (9) sliding connection is in the inside of straight flute (12), the part of gear (10) is located the inside of straight flute (12), the diapire welding of straight flute (12) has spring (19), the other end welding of spring (19) is in the bottom of first rack (9).

5. The laser focusing assembly of claim 4, wherein: square grooves (13) are formed in the workbench (2), the gear (10) is rotatably arranged in the square grooves (13), and the square grooves (13) are communicated with the straight grooves (12).

6. The laser focusing apparatus as claimed in claim 5, wherein: the inside of workstation (2) has seted up spout (14), cassette (3) with equal sliding connection of second rack (11) is in the inside of spout (14), spout (14) are linked together with square groove (13), second rack (11) pass straight slot (12).