CN220718131U

CN220718131U - Follow-up gantry laser marking machine

Info

Publication number: CN220718131U
Application number: CN202322254095.7U
Authority: CN
Inventors: 李世军; 沈巍; 李腾; 徐开志
Original assignee: Jinan Senfeng Laser Technology Co Ltd
Current assignee: Jinan Senfeng Laser Technology Co Ltd
Priority date: 2023-08-21
Filing date: 2023-08-21
Publication date: 2024-04-05
Anticipated expiration: 2033-08-21

Abstract

The utility model provides a follow-up gantry laser marking machine, which belongs to the technical field of laser processing equipment and comprises a frame and a cross beam, wherein a first bracket and a second bracket are arranged at the upper end of the frame, and a Y-axis guide rail and a Y-axis rack are arranged at the upper ends of the first bracket and the second bracket; the two ends of the cross beam are provided with Y-axis sliding blocks and Y-axis gears, the Y-axis sliding blocks are respectively connected with corresponding Y-axis guide rails in a sliding manner, the Y-axis gears are respectively meshed with corresponding Y-axis racks, and the Y-axis gears are in transmission connection with a Y-axis rotation driving mechanism; one side of the cross beam is slidably provided with an X-axis bottom plate through an X-axis guide rail, a laser marking assembly and an X-axis gear are arranged on the X-axis bottom plate, an X-axis rack is meshed with the X-axis gear, and the X-axis rack is fixedly arranged on the cross beam. Compared with the existing laser marking machine, the laser marking machine can greatly improve the moving speed of the cross beam and the laser marking assembly, and further ensure that the laser marking assembly can rapidly perform follow-up marking action along with the rapid movement of the plate.

Description

Follow-up gantry laser marking machine

Technical Field

The utility model belongs to the technical field of laser processing equipment, and particularly relates to a follow-up gantry laser marking machine.

Background

The laser marking machine is a device for generating laser beams by using a fiber laser generator and marking permanent marks on the surfaces of various substances. The device firstly generates laser beams through a laser, then carries out a series of optical conduction and treatment, finally carries out light beam focusing through an optical lens, deflects the focused high-energy light beams to the appointed position on the surface of the object to be processed to form corresponding patterns or lines.

Along with the development of laser marking technology and the development of coil stock processing technology, in order to be convenient for distinguish the sheet material after cutting, current coil stock processing production line also begins to set up simple and easy marking device between uncoiling leveling equipment and cutting equipment to carry out follow-up marking processing to the coil stock that gets into in the cutting equipment through this marking device.

However, the conventional laser marking machine mostly adopts a ball screw pair to control the laser marking head to move transversely, such as the gantry structure and the laser marking machine provided in chinese patent CN 218080975U. Therefore, in the actual operation process, because the moving speed of the ball screw pair is slower, when the follow-up laser marking work requiring quick movement is performed by the existing laser marking machine, the production requirement cannot be met due to the fact that the feeding speed of the ball screw pair is slower, and meanwhile, the moving speed of the laser marking head is slower, so that the working efficiency is affected.

Disclosure of Invention

The utility model solves the technical problem of providing a follow-up gantry laser marking machine capable of rapidly moving a laser marking head so as to improve the production efficiency of a corresponding production line.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows: a follow-up gantry laser marking machine comprises a frame and a cross beam, wherein a first bracket and a second bracket are arranged at the upper end of the frame, and a Y-axis guide rail and a Y-axis rack are arranged at the upper ends of the first bracket and the second bracket; the two ends of the cross beam are provided with Y-axis sliding blocks and Y-axis gears, the Y-axis sliding blocks are respectively connected with corresponding Y-axis guide rails in a sliding manner, the Y-axis gears are respectively meshed with corresponding Y-axis racks, and the Y-axis gears are in transmission connection with a Y-axis rotation driving mechanism; one side of the cross beam is slidably provided with an X-axis bottom plate through an X-axis guide rail, a laser marking assembly and an X-axis gear are arranged on the X-axis bottom plate, the X-axis gear is connected with an X-axis rotary driving mechanism in a transmission manner, an X-axis rack is meshed with the X-axis gear, and the X-axis rack is fixedly arranged on the cross beam. At this time, compared with the existing laser marking machine, the utility model adopts the gear-rack structure to drive the cross beam and the laser marking component to slide in the corresponding direction, which can greatly improve the moving speed of the cross beam and the laser marking component, further ensure that the laser marking component can rapidly carry out follow-up marking action along with the rapid movement of the plate, and avoid the reduction of the processing efficiency of the plate due to the laser marking action.

Further, the laser marking assembly comprises a base plate, the base plate is arranged on the X-axis bottom plate through a fastener, one side of the base plate is vertically and slidably connected with a sliding plate, a laser marking head is arranged at one end of the sliding plate, a height adjusting mechanism is arranged at the other end of the sliding plate, the height of the laser marking head is finely adjusted through the height adjusting mechanism, and the thickness of the processed plate is ensured to be suitable for the laser marking head.

Further, the height fine adjustment mechanism comprises a top plate and a bottom plate which are sequentially arranged on the base plate from top to bottom; be provided with ball screw pair between roof and the bottom plate, ball screw pair's nut seat and slide fixed connection, the handle is installed behind ball screw pair's the lead screw upper end runs through slide, the roof in proper order, and the lead screw rotates with the roof to be connected, and ball screw pair's lead screw lower extreme runs through the slide and rotates after being connected with the bearing frame, bearing frame fixed mounting on the bottom plate, just accessible angular contact bearing rotates between lead screw and the roof to be connected, accessible deep groove ball bearing rotates with the bearing frame that installs on the bottom plate between lead screw and the bottom plate to be connected.

Further, the upper end of the sliding plate is provided with a buffer cushion block, and the sliding plate is prevented from moving upwards excessively through the buffer cushion block.

Further, the both sides of bed plate all are provided with the backplate of L shape, and the both sides of slide all are provided with spacing portion, and spacing portion is located between the one side that is close to the bed plate on the backplate and the crossbeam one side that keeps away from on the bed plate to carry out the restriction of fore-and-aft direction to the slide through the backplate. Therefore, when the laser marking head is suddenly stopped after running to the designated position, part of inertia force can be relieved through the guard plate, the impact on the screw rod is reduced, and marking precision deviation caused by deformation of the screw rod is prevented.

Further, one side of the base plate is provided with a vertical groove, one side of the sliding plate is provided with a boss, the boss is embedded into the vertical groove, and the sliding plate is limited in the length direction of the cross beam through cooperation between the boss and the vertical groove.

Further, the Y-axis rotary driving mechanism comprises a first rotary driving motor, the first rotary driving motor is fixedly arranged in the middle of the cross beam, the output end of the first rotary driving motor is in transmission connection with a first speed reducer, two sides of the first speed reducer are respectively in transmission connection with a transmission shaft, the end parts of the transmission shafts are in transmission connection with gear shafts, the gear shafts are fixedly connected with corresponding Y-axis gears, and a key connection structure or other connection structures can be adopted between the gear shafts and the Y-axis gears, and an integrated structure can be directly adopted.

Further, the X-axis rotary driving mechanism comprises a second rotary driving motor, the second rotary driving motor is fixedly arranged on the X-axis bottom plate, the output end of the second rotary driving motor is in transmission connection with a second speed reducer, and the output end of the second speed reducer is in transmission connection with the X-axis gear and drives the X-axis gear to rotate in the corresponding direction.

Further, a lubrication pulley mechanism is arranged on one side, close to the X-axis rack, of the X-axis bottom plate, an X-axis wire slot is formed in the upper portion of the X-axis bottom plate, and the X-axis wire slot is used for supporting a drag chain at the position.

Further, one side of the first bracket or the second bracket is provided with a Y-axis slot for supporting the drag chain at the position.

Further, the end part of the first bracket or the second bracket is provided with a limiting device, and the limiting device can adopt a mechanical limiting structure or a photoelectric limiting structure.

From the above technical scheme, the utility model has the following advantages: on the one hand, compared with the existing laser marking machine, the utility model adopts the gear rack structure to drive the cross beam and the laser marking component to slide in the corresponding direction, which can greatly improve the moving speed of the cross beam and the laser marking component, further ensure that the laser marking component can rapidly carry out follow-up marking action along with the rapid movement of the plate, and avoid the reduction of the processing efficiency of the plate due to the laser marking action; on the other hand, the height of the laser marking head can be finely adjusted through the height adjusting mechanism, so that the laser marking head is ensured to be suitable for the thickness of the processed plate; meanwhile, the utility model can also limit the sliding plate in the front-back direction and the left-right direction respectively through the guard plate and the base plate, so that when the laser marking head is suddenly stopped after running to a designated position, part of inertial force can be relieved through the guard plate and the base plate, the impact on the screw rod is reduced, and marking precision deviation caused by deformation of the screw rod is prevented.

Drawings

In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a specific embodiment of the present utility model;

FIG. 2 is a schematic view of a frame in the present utility model;

FIG. 3 is a schematic view of the cross beam structure of the present utility model;

FIG. 4 is a schematic structural view of an X-axis rotation driving mechanism according to the present utility model;

FIG. 5 is a second schematic structural view of the X-axis rotation driving mechanism according to the present utility model;

FIG. 6 is a schematic diagram of a laser marking assembly according to the present utility model;

fig. 7 is a schematic structural view of the height adjusting mechanism in the present utility model.

In the figure: 1. a first bracket; 2. a second bracket; 3. a cross beam; 4. a laser marking assembly; 5. a cross brace; 6. y-axis wire slot; 7. a drag chain; 8. a spacing device; 9. a Y-axis rack; 10. a Y-axis guide rail; 11. a first rotary driving motor; 12. a first speed reducer; 13. a transmission shaft; 14. a coupling; 15. a Y-axis gear; 16. a gear shaft; 17. an X-axis bottom plate; 18. a second rotary driving motor; 19. an X-axis wire slot; 20. a motor adjusting mechanism; 21. a second speed reducer; 22. an X-axis sliding block; 23. a lubrication pulley mechanism; 24. laser marking heads; 25. a slide plate; 26. a ball screw pair; 27. a bottom plate; 28. a top plate; 29. a guard board; 30. a vertical groove; 31. buffering cushion blocks; 32. a handle.

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.

As shown in fig. 1 to 7, the utility model provides a follow-up gantry laser marking machine, which comprises a frame and a cross beam 3. The upper end of the frame is provided with a first support 1 and a second support 2, a cross brace 5 is arranged between the first support 1 and the second support 2, the upper ends of the first support 1 and the second support 2 are respectively provided with a Y-axis guide rail 10 and a Y-axis rack 9, one side of the first support 1 or the second support 2 is provided with a Y-axis groove 6 for supporting a drag chain 7, the end part of the first support 1 or the end part of the second support 2 is provided with a limiting device 8, and the limiting device 8 can adopt a mechanical limiting structure or a photoelectric limiting structure.

Both ends of the cross beam 3 are provided with Y-axis sliding blocks and Y-axis gears 15, the Y-axis sliding blocks are respectively connected with the corresponding Y-axis guide rails 10 in a sliding manner, and the Y-axis gears 15 are respectively meshed with the corresponding Y-axis racks 9. The middle part of the beam 3 is provided with a Y-axis rotation driving mechanism which is used for driving the Y-axis gear 15 to rotate. Specifically, the Y-axis rotary driving mechanism comprises a first rotary driving motor 11, the first rotary driving motor 11 is fixedly arranged in the middle of the cross beam 3, the output end of the first rotary driving motor 11 is in transmission connection with a first speed reducer 12, two sides of the first speed reducer 12 are respectively in transmission connection with a transmission shaft 13, the end parts of the two transmission shafts 13 are respectively and rotatably arranged at the end parts of the cross beam 3 through a bearing with a seat, the end parts of the two transmission shafts 13 are respectively and rotatably connected with a gear shaft 16 through a coupler 14, the gear shafts 16 are respectively and rotatably arranged on the cross beam 3 through fixing seats and are respectively and fixedly connected with corresponding Y-axis gears 15, and a key connection structure or other connection structures can be adopted between the gear shafts 16 and the Y-axis gears 15, and an integrated structure can be directly adopted. In this way, the utility model can drive the Y-axis gear 15 to rotate by the first rotary driving motor 11, and realize the movement of the cross beam 3 by the cooperation of the Y-axis gear 15 and the Y-axis rack 9.

In addition, a wire slot is provided at the upper portion of the cross beam 3, and a drag chain 7 located above the cross beam 3 is supported by the wire slot.

The front side of the beam 3 is provided with two X-axis guide rails and an X-axis rack, an X-axis bottom plate 17 is slidably mounted through the X-axis guide rails and an X-axis sliding block 22, one end of the X-axis bottom plate 17 is provided with an X-axis gear, and the other end is provided with a laser marking assembly 4. The X-axis gear is meshed with the X-axis rack, and the X-axis gear is connected with an X-axis rotation driving mechanism in a transmission manner. Specifically, the X-axis rotation driving mechanism includes a second rotation driving motor 18, the second rotation driving motor 18 is fixedly mounted on the X-axis bottom plate 17 through a motor base, an output end of the second rotation driving motor 18 is in transmission connection with a second speed reducer 21, an output end of the second speed reducer 21 is in transmission connection with an X-axis gear, and drives the X-axis gear to rotate in a corresponding direction, so that movement of the X-axis bottom plate 17 on the cross beam 3 is achieved.

Therefore, compared with the existing laser marking machine, the utility model adopts the gear rack structure to drive the cross beam 3 and the laser marking component 4 to slide in the corresponding directions, which can greatly improve the moving speed of the cross beam 3 and the laser marking component 4, further ensure that the laser marking component 4 can rapidly carry out follow-up marking action along with the rapid movement of the plate, and avoid the reduction of the processing efficiency of the plate due to the laser marking action.

In addition, preferably, a lubrication wheel mechanism 23 is arranged on one side of the X-axis bottom plate 17 close to the X-axis rack, and the lubrication wheel mechanism 23 lubricates the X-axis rack; an X-axis groove 19 is provided at the upper portion of the X-axis base plate 17, and the drag chain 7 at this position is supported by the X-axis groove 19; a motor adjusting mechanism 20 is arranged on one side of the motor base, and the height of the motor base is finely adjusted through the motor adjusting mechanism 20.

The laser marking assembly 4 comprises a base plate, the base plate is installed on an X-axis bottom plate 17 through a fastener, one side, far away from a beam 3, of the base plate is provided with a vertical groove 30, a sliding plate 25 is connected with the base plate through the vertical groove 30 in a vertical sliding mode, a laser marking head 24 is installed at one end of the sliding plate 25, a height adjusting mechanism is arranged at the other end of the sliding plate 25, the height of the laser marking head 24 is finely adjusted through the height adjusting mechanism, and the adaptation between the laser marking head and the thickness of a processed plate is ensured.

Specifically, the height fine adjustment mechanism comprises a top plate 28 and a bottom plate 27 which are sequentially arranged on a base plate from top to bottom, a ball screw pair 26 is arranged between the top plate 28 and the bottom plate 27, a nut seat of the ball screw pair 26 is fixedly connected with a sliding plate 25, the upper end of a screw of the ball screw pair 26 sequentially penetrates through the sliding plate 25 and the top plate 28, a handle 32 is arranged behind the top plate 28, and the screw is rotationally connected with the top plate 28 through an angular contact bearing; the lower end of the screw rod of the ball screw pair 26 penetrates through the sliding plate 25 and is rotationally connected with a bearing seat through a deep groove ball bearing, and the bearing seat is fixedly arranged on the bottom plate 27, so that the utility model can drive the ball screw pair 26 to move through the rotary handle 32, and further realize the purpose that the sliding plate 25 drives the laser marking head 24 to move up and down, namely realize the purpose of adjusting the position of the laser marking head 24.

In addition, in order to ensure the precision of the laser marking head 24, a boss is arranged on one side of the sliding plate 25, which is used for being matched with the vertical groove 30, and the boss is matched with the vertical groove 30 so as to limit the sliding plate 25 in the length direction of the cross beam 3; limiting parts are arranged at two ends of one side, close to the base plate, of the sliding plate 25, L-shaped guard plates 29 are arranged at two sides of the base plate, and the limiting parts are positioned between one side, close to the base plate, of the guard plates 29 and one side, far away from the cross beam 3, of the base plate, so that the sliding plate 25 is limited in the front-rear direction through the guard plates 29. Thus, when the laser marking head 24 is suddenly stopped after being operated to a specified position, part of the inertial force can be relieved through the guard plate 29, the impact on the screw is reduced, and the deviation of marking precision caused by the deformation of the screw is prevented.

The terms "first," "second," "third," "fourth" and the like in the description and in the claims and in the above drawings, if any, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The follow-up gantry laser marking machine comprises a frame and a cross beam (3), wherein a first bracket (1) and a second bracket (2) are arranged at the upper end of the frame; the device is characterized in that the upper ends of the first bracket (1) and the second bracket (2) are respectively provided with a Y-axis guide rail (10) and a Y-axis rack (9); both ends of the cross beam (3) are provided with Y-axis sliding blocks and Y-axis gears (15), the Y-axis sliding blocks are respectively connected with corresponding Y-axis guide rails (10) in a sliding manner, the Y-axis gears (15) are respectively meshed with corresponding Y-axis racks (9), and the Y-axis gears (15) are in transmission connection with a Y-axis rotation driving mechanism; one side of the cross beam (3) is slidably provided with an X-axis bottom plate (17) through an X-axis guide rail, the X-axis bottom plate (17) is provided with a laser marking assembly (4) and an X-axis gear, the X-axis gear is in transmission connection with an X-axis rotation driving mechanism, the X-axis gear is meshed with an X-axis rack, and the X-axis rack is fixedly arranged on the cross beam (3); the laser marking assembly (4) comprises a base plate, the base plate is arranged on an X-axis bottom plate (17) through a fastener, one side of the base plate is vertically and slidably connected with a sliding plate (25), one end of the sliding plate (25) is provided with a laser marking head (24), and the other end of the sliding plate (25) is provided with a height adjusting mechanism; the height fine adjustment mechanism comprises a top plate (28) and a bottom plate (27) which are sequentially arranged on the base plate from top to bottom; be provided with ball screw pair (26) between roof (28) and bottom plate (27), the nut seat and the slide (25) fixed connection of ball screw pair (26), install handle (32) behind slide (25), roof (28) in proper order on the lead screw upper end of ball screw pair (26), and lead screw and roof (28) rotate to be connected, the lead screw lower extreme of ball screw pair (26) runs through behind slide (25) and rotates to be connected with the bearing frame, bearing frame fixed mounting is on bottom plate (27).

2. A follow-up gantry laser marking machine according to claim 1, characterized in that the upper end of the slide plate (25) is provided with a buffer pad (31).

3. The follow-up gantry laser marking machine according to claim 1, characterized in that both sides of the base plate are provided with L-shaped guard plates (29), both sides of the slide plate (25) are provided with limiting parts, and the limiting parts are positioned between one side of the guard plates (29) close to the base plate and one side of the base plate far away from the cross beam (3).

4. The follow-up gantry laser marking machine according to claim 1, characterized in that a vertical groove (30) is provided on one side of the base plate, a boss is provided on one side of the slide plate (25), and the boss is embedded in the vertical groove (30).

5. The follow-up gantry laser marking machine according to claim 1, wherein the Y-axis rotary driving mechanism comprises a first rotary driving motor (11), the first rotary driving motor (11) is fixedly arranged in the middle of the cross beam (3), a first speed reducer (12) is connected to the output end of the first rotary driving motor (11) in a transmission manner, a transmission shaft (13) is connected to two sides of the first speed reducer (12) in a transmission manner, a gear shaft (16) is connected to the end portion of the transmission shaft (13) in a transmission manner, and the gear shaft (16) is fixedly connected with the corresponding Y-axis gear (15).

6. The follow-up gantry laser marking machine according to claim 1, wherein the X-axis rotation driving mechanism comprises a second rotation driving motor (18), the second rotation driving motor (18) is fixedly arranged on the X-axis bottom plate (17), an output end of the second rotation driving motor (18) is in transmission connection with a second speed reducer (21), and an output end of the second speed reducer (21) is in transmission connection with an X-axis gear.

7. The follow-up gantry laser marking machine according to claim 1, wherein one side of the first bracket (1) or the second bracket (2) is provided with a Y-axis wire slot (6).

8. The follow-up gantry laser marking machine according to claim 1, characterized in that the end of the first bracket (1) or the second bracket (2) is provided with a limiting device (8).