CN216541433U

CN216541433U - Laser etching triaxial device

Info

Publication number: CN216541433U
Application number: CN202122826775.2U
Authority: CN
Inventors: 何毅; 邓明旭; 李琳; 范圣福; 龙冈
Original assignee: Mianyang Xinneng Zhizao Technology Co ltd
Current assignee: Mianyang Xinneng Zhizao Technology Co ltd
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-05-17
Anticipated expiration: 2031-11-17

Abstract

The utility model discloses a laser etching triaxial device, which comprises a horizontal axis module and a vertical axis module which are arranged on a scanning platform, wherein the vertical axis module is provided with a vertical axis module, and the vertical axis module is connected with the vertical axis module through a third transmission mechanism; the transverse shaft module is provided with an object carrying workbench, and the object carrying workbench is connected with the transverse shaft module through a first transmission mechanism; the laser emitter is installed on the longitudinal shaft module and connected with the longitudinal shaft module through a second transmission mechanism. The laser etching triaxial device can be controlled by the power input of the laser etching triaxial device in the three axial directions, and the triaxial position can be accurately positioned.

Description

Laser etching triaxial device

Technical Field

The utility model belongs to the field of laser etching equipment, and relates to a three-axis device.

Background

The main function of the three-axis device is in the stroke range, and the device can control the movement in the X direction, the Y direction and the Z direction so as to meet the requirements of the process.

In the process of implementing the utility model, the inventor finds that at least one of the following technical problems exists in the prior art:

looking at the present situation, devices for increasing conductivity of conductive silver paste through laser scanning are few in the market, most devices are temporarily built, and the device does not have the characteristic of triaxial flexible scanning.

For some laser scanners for other purposes, the three-axis precise and flexible control method has no advantages.

Disclosure of Invention

In view of this, the present invention aims to provide a three-axis device with three axes controlled precisely and flexibly.

The utility model provides a laser etching triaxial device, which comprises a horizontal axis module and a vertical axis module which are arranged on a scanning platform, wherein the vertical axis module is provided with a vertical axis module, and the vertical axis module is connected with the vertical axis module through a third transmission mechanism; the transverse shaft module is provided with an object carrying workbench, and the object carrying workbench is connected with the transverse shaft module through a first transmission mechanism; the laser emitter is installed on the longitudinal shaft module and connected with the longitudinal shaft module through a second transmission mechanism.

According to one embodiment of the laser etching triaxial device, the first transmission mechanism is a lead screw transmission mechanism, the second transmission mechanism is a lead screw transmission mechanism, and the third transmission mechanism is a lead screw transmission mechanism.

According to one embodiment of the laser etching triaxial apparatus of the present invention, the screw transmission mechanism is a ball screw.

According to one embodiment of the laser etching triaxial apparatus of the present invention, the lead screw transmission mechanism includes a lead screw shaft and a nut; the transverse shaft module comprises a first bracket, a screw shaft of the first transmission mechanism is assembled on the first bracket through a bearing, and the object carrying worktable is installed on a nut of the first transmission mechanism;

the longitudinal shaft module comprises a second bracket, a screw shaft of the second transmission mechanism is assembled on the second bracket through a bearing, and the laser emitter is installed on a nut of the second transmission mechanism;

the vertical shaft module comprises a third support, a screw shaft of a third transmission mechanism is assembled on the third support through a bearing, and the second support is installed on a nut of the third transmission mechanism.

According to one embodiment of the laser etching triaxial device, the number of the vertical axis modules is two, and the second support is installed between the two third supports.

According to one embodiment of the laser etching triaxial device, the first support is provided with a first guide rail, and a nut of the first transmission mechanism is in sliding fit with the first guide rail; and a second guide rail is arranged on the second support, and a nut of the second transmission mechanism is in sliding fit with the second guide rail.

According to one embodiment of the laser-etched triaxial apparatus of the present invention, the laser emitter comprises one or more of a krypton-fluorine laser emitter, a xenon-chlorine laser emitter, a nitrogen laser emitter, an argon laser emitter, and a helium-neon laser emitter.

Compared with the prior art, one of the technical solutions has the following advantages:

a) according to one embodiment of the triaxial apparatus of the present invention, the triaxial apparatus can be precisely positioned by controlling the power input of the triaxial apparatus in three axial directions.

b) The three-axis device can achieve the aim of accurately controlling the laser intensity, the scanning speed, the scanning time and other parameters.

c) According to the embodiment of the triaxial device, the conductive silver paste is subjected to laser scanning processing by matching with the laser processor, and the triaxial device can be applied to the fields of improvement of conductivity of silk-screen printing silver paste on the surface layer of a PCB (printed Circuit Board), repetitive laser scanning cutting, other laser scanning and the like.

d) The implementation mode of the three-axis device is beneficial to improving the stability and controllability of the conductive silver paste laser scanning process so as to achieve the aims of controlling the light intensity and controlling the scanning speed.

e) According to the embodiment of the triaxial device, the precise control of three axes is used, the controllability of motion can be greatly realized, the datamation of the technological process is also realized, so that the optimal point of the whole laser scanning conductive silver paste technology can be clearly and quickly found when the technological details of a specific product are explored, the defects of uneven scanning and fuzzy data caused by manual operation are overcome, and the reliability of technological parameters is higher.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a front view of a preferred embodiment of the triaxial apparatus of the present invention.

Fig. 2 is a schematic perspective view of fig. 1.

Fig. 3 is a schematic diagram of a three axis device control system of the present invention.

The labels in the figure are respectively:

100 of the scanning platform, and a scanning platform,

the 110 transverse-axis module is provided with a transverse-axis module,

111 a first transmission mechanism for the first transmission mechanism,

112 of the object carrying table, and a control device,

113 a first support frame (113) for supporting the first support frame,

120, a module with a longitudinal axis of 120,

121 of the second transmission mechanism is provided,

122 a laser light emitter, and a laser light emitter,

123 a second support for the second support, and,

130 of the vertical axis module, and a vertical axis module,

131 of a third transmission mechanism is provided,

132 a third support, and a third support,

210 of a host computer, and a control unit,

220 of the network IO relay,

231 of the integrated control module are integrated with each other,

232 laser energy controller.

Detailed Description

The following description is made with reference to the accompanying drawings and a specific embodiment.

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.

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 may not be further defined and explained in subsequent figures.

The mainstream technical scheme for improving the conductivity of the conductive silver paste by screen printing the silver paste on the surface layer of the PCB is that a person holds a laser to perform a scanning process, and the defect is that the aim of accurately controlling parameters such as laser intensity, scanning time and scanning speed cannot be fulfilled for the whole process; the close contact of the personnel also increases the harm of the laser to human eyes; in the whole laser industry, as described in CN201920844109.1, an adjusting device of a laser scanning device, the laser scanning device is still in a position where only short-distance operation and adjustment of laser power can be performed to complete the process in cooperation, but the device itself has no flexibility, and can not realize flexible control of three axes, and an operator can not perform remote operation, and can only perform protection operation using labor protection products. The laser etching triaxial device in the embodiment can solve the problems in the prior art.

In the utility model, the horizontal axis, the vertical axis and the vertical axis respectively represent the horizontal axis, the vertical axis and the vertical axis in the space rectangular coordinate system.

See fig. 1-3. The laser etching triaxial apparatus described in this embodiment includes a horizontal axis module 110 and a vertical axis module 130 that are installed on the scanning platform 100, a vertical axis module 120 is installed on the vertical axis module 130, and the vertical axis module 120 is connected to the vertical axis module 130 through a third transmission mechanism 131. The horizontal axis module is a module arranged transversely, the vertical axis module is a module arranged longitudinally, and the vertical axis module is a module arranged vertically.

Referring to fig. 1, an object stage 112 is mounted on the transverse-axis module 110, and the object stage 112 is connected to the transverse-axis module 110 through a first transmission mechanism 111; the longitudinal axis module 120 is provided with a laser emitter 122, and the laser emitter 122 is connected with the longitudinal axis module 120 through a second transmission mechanism 121.

The main function of the three-axis device is to use a transmission mechanism to perform accurate motion control in the X direction, the Y direction and the Z direction within the stroke range. In this embodiment, the first transmission mechanism 111 is a screw transmission mechanism, the second transmission mechanism 121 is a screw transmission mechanism, and the third transmission mechanism 131 is a screw transmission mechanism.

In this embodiment, the screw transmission mechanism is a ball screw. The ball screw consists of a screw rod, a nut, a steel ball, a preforming piece, a reverser and a dust remover. Its function is to convert the rotary motion into a linear motion, which is a further extension and development of the acme screw.

Of course, the transmission mechanism is not limited to the roller screw, and is not limited to the screw, and may be other mechanisms that linearly reciprocate. In the present embodiment, a screw mechanism, particularly a ball screw, will be described as an example. The ball screw has the characteristics of high precision, reversibility and high efficiency. The position precision error of the triaxial device is below 0.1mm, and the speed precision is below 0.1 mm/s.

Referring to fig. 1 and 2, the screw transmission mechanism includes a screw shaft and a nut; the traverse shaft module 110 includes a first bracket 113, a screw shaft of the first transmission mechanism 111 is mounted on the first bracket 113 through a bearing, and the stage 112 is mounted on a nut of the first transmission mechanism 111.

The ball screw carries the stage 112 to reciprocate in the X direction as a movement in the X direction. It should be understood that in a ball screw, the nut moves linearly on the screw shaft, and an additional component is required to restrain the nut from rotating, so that the nut can move linearly during the rotation of the screw shaft, and the object table 112 can move on the horizontal axis. In order to restrain the nut from rotating, a first guide rail (not shown) may be disposed on the first bracket 113, and the nut of the first transmission mechanism 111 is slidably engaged with the first guide rail. Of course, the first guide rail may be directly formed on the first bracket 113.

It should also be understood that, because the object stage 112 is mounted on the nut of the first transmission mechanism 111, the motion constraint on the nut of the first transmission mechanism is also the motion constraint on the object stage 112, and conversely, the motion constraint on the object stage 112 is also the motion constraint on the nut of the first transmission mechanism, that is, the object stage 112 can also be in sliding fit with the first guide rail, so as to ensure that the object stage 112 can smoothly and linearly reciprocate on the horizontal axis module 110 along the horizontal axis.

The longitudinal axis module 120 includes a second bracket 123, a screw shaft of the second transmission mechanism 121 is mounted on the second bracket 123 through a bearing, and the laser emitter 122 is mounted on a nut of the second transmission mechanism 121.

The laser emitter 122 includes one or more of a krypton-fluorine laser emitter, a xenon-chlorine laser emitter, a nitrogen laser emitter, an argon laser emitter, and a helium-neon laser emitter. The laser emitted by the laser emitter 122 includes krypton-fluorine laser (ultraviolet 248 nm), xenon-chlorine laser (ultraviolet 308 nm), nitrogen laser (ultraviolet 337 nm), argon laser (blue 488 nm), argon laser (green 514) nm, helium-neon laser (green 543 nm), helium-neon laser (red 633 nm), and other lasers with different wavelengths. The laser emitter is not improved, but the existing laser emitter is integrated in a laser etching three-axis device, so that the laser can be accurately controlled, even remotely controlled, in the PCB surface layer silver paste silk-screen printing process. In a more specific implementation manner, in this embodiment, the laser emitter parameters are selected as follows: the energy power range is 0-5w, and the minimum laser energy power control precision is 50 mw.

The longitudinal axis module 120 is located right above the transverse axis module 110, and the laser emitted by the laser emitter 122 acts on the PCB on the object stage 112 to perform laser scanning processing on the conductive silver paste on the PCB, so that the conductivity of the silver paste for silk-screen printing on the surface of the PCB is improved. Of course, it can also be used for repetitive laser scanning cutting and other laser scanning of a workpiece on a stage.

The movement constraint of the laser emitter 122 is the same as that of the object stage 112, and the second guide rail is arranged on the second support 123 or is directly constructed on the second support 123 to constrain the movement of the second transmission mechanism 121 or the laser emitter 122, so as to ensure that the laser emitter 122 can only reciprocate linearly on the longitudinal axis module 120 along the longitudinal axis direction.

The vertical axis module 120 is mounted above the horizontal axis module 110 by the vertical axis module 130 as a bracket. In this embodiment, two vertical axis modules 120 are installed on two sides of the horizontal axis module, respectively. The vertical axis module 130 includes a third bracket 132, a screw shaft of the third transmission mechanism 131 is assembled on the third bracket 132 through a bearing, and the second bracket 123 is installed on a nut of the third transmission mechanism 131. Referring to fig. 1, the left end of the second bracket 123 is connected to the nut of the left vertical axis module 120, the right end of the second bracket 123 is connected to the nut of the right vertical axis module 120, and the second bracket 123 is installed between the two third brackets 132.

In practical application, the laser etching triaxial device can be further expanded into a triaxial device capable of being remotely controlled. See fig. 3. The first transmission mechanism 111, the second transmission mechanism 121, and the third transmission mechanism 131 are respectively connected to motors, specifically, a screw shaft in the horizontal axis module is directly or indirectly connected to a power output shaft of the first motor, a screw shaft in the vertical axis module is directly or indirectly connected to a power output shaft of the second motor, and a screw shaft in the vertical axis module is directly or indirectly connected to a power output shaft of the third motor. The control lines of the motors are all integrally connected to the integrated control module 231, and the integrated control module 231 is a module for controlling the motion of all the shafts through relay signals. The integrated control module 231 is connected with a network IO relay 220, the laser transmitter 122 is connected with a laser energy controller 232, and the laser energy controller 232 is connected with the network IO relay 220. The network IO relay 220 is a module for realizing remote control of an upper computer and a control system by an IP protocol. In this embodiment, the network IO relay 220 is a WiFi controller. The network IO relay 220 communicates with the upper computer 210 via an IP protocol. The integrated controller can realize remote control by matching with a network IO relay. The integrated controller integrates all control contents inside the controller, and the network IO relay realizes the remote operation of all operations through the cooperation of IP communication and the integrated controller, thereby greatly improving the integration and the simplicity of the operation, more importantly, greatly reducing the probability of the contact of the operators with laser and ensuring the health of the operators.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being permanently connected, detachably connected, or integral; 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 by those skilled in the art according to specific situations.

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 above are only preferred embodiments of the present invention, and it should be noted that the above preferred embodiments should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the spirit and scope of the utility model, and these modifications and adaptations should be considered within the scope of the utility model.

Claims

1. A laser etching triaxial device is characterized by comprising a horizontal axis module and a vertical axis module which are arranged on a scanning platform, wherein the vertical axis module is provided with a vertical axis module which is connected with the vertical axis module through a third transmission mechanism; the transverse shaft module is provided with an object carrying workbench, and the object carrying workbench is connected with the transverse shaft module through a first transmission mechanism; the laser emitter is installed on the longitudinal shaft module and connected with the longitudinal shaft module through a second transmission mechanism.

2. The laser etching triaxial apparatus of claim 1, wherein the first transmission mechanism is a lead screw transmission mechanism, the second transmission mechanism is a lead screw transmission mechanism, and the third transmission mechanism is a lead screw transmission mechanism.

3. The laser-etched tri-axial apparatus of claim 2, wherein the screw drive mechanism is a ball screw.

4. The laser etching triaxial apparatus according to claim 2, wherein the lead screw transmission mechanism includes a lead screw shaft and a nut; the cross shaft module comprises a first bracket, a screw shaft of the first transmission mechanism is assembled on the first bracket through a bearing, and the object carrying worktable is installed on a nut of the first transmission mechanism;

5. The laser-etched tri-axial apparatus of claim 4, wherein there are two vertical axis modules, and the second support is mounted between two third supports.

6. The laser etching triaxial apparatus according to claim 4, wherein a first guide rail is provided on the first support, and a nut of the first transmission mechanism is in sliding fit with the first guide rail; and a second guide rail is arranged on the second support, and a nut of the second transmission mechanism is in sliding fit with the second guide rail.

7. The laser-etched triaxial apparatus according to claim 1, wherein the laser emitter comprises one or more of a krypton-fluorine laser emitter, a xenon-chlorine laser emitter, a nitrogen laser emitter, an argon laser emitter, and a helium-neon laser emitter.