CN111843220A - Laser marking device and control method thereof - Google Patents
Laser marking device and control method thereof Download PDFInfo
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- CN111843220A CN111843220A CN201910320005.5A CN201910320005A CN111843220A CN 111843220 A CN111843220 A CN 111843220A CN 201910320005 A CN201910320005 A CN 201910320005A CN 111843220 A CN111843220 A CN 111843220A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/08—Devices involving relative movement between laser beam and workpiece
- B23K26/0869—Devices involving movement of the laser head in at least one axial direction
- B23K26/0876—Devices involving movement of the laser head in at least one axial direction in at least two axial directions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/08—Devices involving relative movement between laser beam and workpiece
- B23K26/083—Devices involving movement of the workpiece in at least one axial direction
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/362—Laser etching
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Abstract
The invention relates to a laser marking device, comprising: the machine body comprises a roller conveying unit, the roller conveying unit comprises two groups of roller parts, the two groups of roller parts are symmetrically arranged on the same plane, and a gap is defined between the two groups of roller parts; the laser marking unit is constructed above the machine body; a first adjustment unit configured above the machine body, the first adjustment unit further comprising a first positioning plate movable between a gap defined by the two sets of drum sections; the second adjusting unit is arranged on the other side, opposite to the laser marking unit, of the roller conveying unit and can push the product to move towards the laser marking unit. The invention also relates to a control method of the laser marking device. The technical scheme provided by the invention can be compatible with products with various sizes, and the processing efficiency is improved.
Description
Technical Field
The invention relates to the technical field of laser marking, in particular to a laser marking device and a control method thereof.
Background
In order to achieve the communication effect between the manufacturer and the client and make the client know various information of the product more clearly, the manufacturer will generally carve different product marks on the surface of the product and use the product marks as a means for distinguishing other products. The mark on the product generally comprises the production date, the trademark, the manufacturer information and the like, so that people can conveniently know the related information. In the prior art, in order to carve such identification information, a laser marking mode is generally adopted, and meanwhile, the requirement of people on finer patterns can be met. Laser is a method of leaving a permanent mark on the surface of a product by the evaporation of material or photo-induced physicochemical changes by focusing the high peak density of the laser beam.
Due to the variety of shapes and sizes of the shell parts, the specific position to be marked needs to be positioned when the shell parts need to be marked by carving the information for laser marking, so that the requirements for the whole marking system are different. The marking system in the prior art can not meet the requirements of products with different sizes and shapes, so that the product to be marked is positioned, the compatibility is low, and the processing efficiency is low.
Disclosure of Invention
The invention provides a laser marking device, which solves the problems of poor compatibility and low working efficiency of the laser marking device in the prior art.
In order to solve the technical problems, the invention adopts a technical scheme that:
a laser marking device, comprising: the machine body comprises a roller conveying unit, the roller conveying unit comprises two groups of roller parts, the two groups of roller parts are symmetrically arranged on the same plane, and a gap is defined between the two groups of roller parts; the laser marking unit is constructed above the machine body; a first adjustment unit configured above the machine body, the first adjustment unit further comprising a first positioning plate movable between a gap defined by the two sets of drum sections; the second adjusting unit is arranged on the other side, opposite to the laser marking unit, of the roller conveying unit and can push the product to move towards the laser marking unit.
Further, the first positioning plate includes: the connecting portion are arranged between gaps defined by the roller barrel portions, the adjusting portion is connected with the connecting portion, and the adjusting portion drives products to slide on the roller conveying unit.
Further, the first adjusting unit further includes: the roller conveying device comprises a first positioning plate fixing seat and a first sliding rail, wherein the first sliding rail is arranged below the roller conveying unit, the first positioning plate is fixed on the first positioning plate fixing seat, and the first positioning plate fixing seat is arranged on the first sliding rail in a sliding mode.
Further, the second adjusting unit includes: the second sliding rail, the adjusting baffle, the baffle mounting plate, the baffle mounting seat, the driving screw rod and the driving motor are arranged on the second sliding rail; the second slide rail is a double slide rail and is arranged below the roller conveying unit; the adjusting baffle is fixed on the baffle mounting plate; the baffle mounting plate is fixed on the baffle mounting seat; the baffle mounting seat is arranged on the second slide rail in a sliding manner; the driving motor is arranged below the baffle mounting plate, and the driving screw rod is connected with the driving motor and the adjusting baffle; the driving motor drives the driving screw rod to move, and the driving screw rod drives the adjusting baffle plate to move towards the direction close to or far away from the laser marking unit.
Further, the method also comprises the following steps: marking adjusting unit, marking adjusting unit includes: the adjusting slide rail, the second positioning plate mounting seat and the second positioning plate are arranged on the adjusting slide rail in a sliding mode through the second positioning plate mounting seat; an adjusting handle is arranged on the second positioning plate mounting seat and used for adjusting the position of the second positioning plate on the adjusting slide rail; and a focusing handle is arranged on the adjusting slide rail and used for adjusting the focal length of the laser marking unit.
Further, the method also comprises the following steps: a third adjusting unit including: the laser marking device comprises a third slide rail and a lifting assembly, wherein the lifting assembly is arranged on the third slide rail in a sliding mode, the laser marking unit is fixed on the lifting assembly, and the lifting assembly can drive the laser marking unit to move up and down.
Further, the laser marking unit includes: the device comprises an electrical control part, a laser, a beam expanding lens, a vibrating lens and a focusing lens, wherein the electrical control part is electrically connected with the laser, the beam expanding lens, the vibrating lens and the focusing lens in sequence; the electric control part is used for providing power supply and controlling the output mode of the laser beam; the laser is used for providing a laser light source; the beam expander is used for expanding the laser beam emitted by the laser; the galvanometer is used for adjusting the expanded laser beam to a position to be marked of a product; the focusing mirror is used for focusing the expanded laser beam to a position to be marked of a product.
Further, the method also comprises the following steps: the control unit can preset parameters of the laser marking unit, the first adjusting unit and the second adjusting unit and control the laser marking unit to mark.
In order to solve the technical problem, the invention also provides a control method of the laser marking device, which adopts the following technical scheme:
a method of controlling a laser marking apparatus, comprising: adjusting the initial positions of the laser marking unit, the first adjusting unit and the second adjusting unit according to preset parameters; the position of a product along the length direction of the roller conveying unit is determined by adjusting the first adjusting unit and matching with the machine body; the second adjusting unit is adjusted to enable the product to approach to the laser marking unit, and the position of the product in the width direction of the roller conveying unit is determined; starting the laser marking unit to mark the product; and after marking is finished, closing the laser marking unit.
Further, after the marking is completed and the laser marking unit is turned off, the method further includes: returning the laser marking unit and the second adjusting unit to initial positions; adjusting the first adjusting unit to drive the product to a blanking position; and adjusting the first adjusting unit to an initial position.
Compared with the prior art, the embodiment of the invention mainly has the following beneficial effects: through the roller transportation unit on the organism, place the product, roller transportation unit includes two sets of roller sections, two sets of roller section symmetries set up on the coplanar, it has a space to inject between two sets of roller sections, the laser marking unit constructs in the organism top, be used for beating the mark to the product, first regulating unit constructs on the organism, first regulating unit still includes first locating plate, first locating plate can remove between the space that two sets of roller sections were injectd, the second regulating unit constructs in roller transportation unit for the opposite side of laser marking unit, can promote the product to the removal of laser marking unit, the product that can compatible not unidimensional and shape, avoid the different laser marking device of different size design, improve work efficiency and save the cost simultaneously.
Drawings
In order to illustrate the solution of the invention more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are some embodiments of the invention, and that other drawings may be derived from these drawings by a person skilled in the art without inventive effort.
Fig. 1 is a schematic structural diagram of a laser marking device in an embodiment of the present invention when there is no material;
FIG. 2 is a schematic diagram of the laser marking apparatus of the embodiment of FIG. 1 with material;
FIG. 3 is a schematic structural diagram of a first adjusting unit in the embodiment of FIG. 1;
FIG. 4 is a schematic structural diagram of a second regulating unit in the embodiment of FIG. 1;
FIG. 5 is a schematic structural diagram of a marking adjustment unit in the embodiment of FIG. 1;
FIG. 6 is a schematic structural diagram of a third regulating unit in the embodiment of FIG. 1;
fig. 7 is a schematic flow chart illustrating a method for controlling a laser marking apparatus according to an embodiment of the present invention;
fig. 8 is a flowchart illustrating a method for controlling a laser marking apparatus according to another embodiment of the present invention.
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention; the terms "comprising" and "having," and any variations thereof, in the description and claims of this invention and the description of the above figures, are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and in the claims, or in the drawings, are used for distinguishing between different objects and not necessarily for describing a particular sequential order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
In order to make the technical solutions of the present invention better understood by those skilled in the art, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.
Referring to fig. 1, a schematic structural diagram of a laser marking device 10 in an embodiment of the present invention when there is no material is shown, wherein the schematic structural diagram includes: the machine body 1 comprises a roller conveying unit 11, the roller conveying unit 11 comprises two groups of roller parts 111, the two groups of roller parts 111 are symmetrically arranged on the same plane, and a gap is defined between the two groups of roller parts 111; the laser marking unit 2 is constructed above the machine body 1; a first adjusting unit 3, the first adjusting unit 3 being configured above the machine body 1, the first adjusting unit 3 further comprising a first positioning plate movable between the gaps defined by the two sets of drum portions 111; and a second adjusting unit 4, wherein the second adjusting unit 4 is configured at the other side of the roller conveying unit 11 relative to the laser marking unit 2, and the second adjusting unit 4 can push the product to move towards the laser marking unit 2.
In this embodiment, a product is placed on the roller transportation unit 11, the roller transportation unit 11 includes two sets of roller portions 111, a gap is defined between the two sets of roller portions 111, the laser marking unit 2 is configured above the machine body 1 for performing laser marking on the product, the first adjusting unit 3 is provided with a first positioning plate, the first positioning plate can move between the gaps of the two sets of roller portions 111 to define the position of the product along the length direction of the roller transportation unit 11, the second adjusting unit 4 is configured at the other side of the roller transportation unit 11 opposite to the laser marking unit 2, the second adjusting unit 4 can push the product to move towards the laser marking unit 2, the first adjusting unit 3 and the second adjusting unit 4 can position the product according to the size and the shape of the product, the laser marking unit 2 performs laser marking on the positioned product, so that the laser marking device 10 can adapt to products with different sizes and shapes, the laser marking device avoids using different laser marking devices for products with different sizes, improves the processing efficiency and saves the cost.
Further, the laser marking unit 2 includes: the electric control part is sequentially electrically connected with the laser, the beam expanding lens, the vibrating lens and the focusing lens; the electric control part is used for providing power supply and controlling the output mode of the laser beam; the laser is used for providing a laser light source; the beam expander is used for expanding laser beams emitted by the laser; the galvanometer is used for adjusting the expanded laser beam to a position to be marked of a product; the focusing mirror is used for focusing the expanded laser beam to a position to be marked of a product.
In this embodiment, a laser in the laser marking unit 2 horizontally emits a laser beam, the laser beam is transmitted from the laser to the beam expander, the laser beam enters the vibrating mirror after being expanded, the laser is reflected in the vibrating mirror according to a preset position, and then enters the focusing mirror, the spot characteristic of the laser beam is adjusted, and finally the laser beam acts on the surface of a product to mark.
Further, the method also comprises the following steps: and the control unit 7 can preset parameters of the laser marking unit 2, the first adjusting unit 3 and the second adjusting unit 4 and control the laser marking unit 2 to mark.
Referring to fig. 2, a schematic structural diagram of a laser marking device 10 according to an embodiment of the present invention includes: the first adjusting unit 3 is arranged on the machine body 1, the first positioning plate moves between gaps defined by the two groups of roller parts 111, can drive the product 8 to move left and right on the roller conveying unit 11, and positions the product 8 along the length direction of the roller conveying unit 11; the second regulating unit sets up at roller transportation unit 11 opposite side for laser marking unit 2, can promote product 8 and be close to laser marking unit 2, position product 8 along the 11 ascending positions of width direction of roller transportation unit, laser marking unit 2 is fixed on organism 1 through third regulating unit 6, third regulating unit 6 slides and sets up on organism 1, third regulating unit 6 can drive laser marking unit 2 and reciprocate, fix a position product 8 in the position of direction of height, thereby realize the location to product 8, and then start laser marking unit 2, mark product 8.
Referring to fig. 3, which is a schematic structural diagram of a first adjusting unit according to an embodiment of the present invention, the first adjusting unit 3 includes: first locating plate 31, first locating plate fixing base 32 and first slide rail 33, first locating plate 31 can remove between the space 112 that two sets of roller section of thick bamboo portion 111 are injectd, and first locating plate 31 is fixed on first locating plate fixing base 32, and first locating plate fixing base 32 slides and sets up on first slide rail 33, and first slide rail 33 is fixed on organism 1 under roller transportation unit 11.
In this embodiment, the first adjusting unit 3 drives the product to slide on the roller transporting unit 11 through the first positioning plate 31 slidably disposed on the first slide rail 33, so that the product is fixed along the position of the roller transporting unit 11 in the length direction, thereby positioning the product to be marked and realizing the laser marking of the product.
Further, the first positioning plate 31 includes: the adjusting portion 311 and the connecting portion 312, the connecting portion 312 is disposed between the gaps 112 defined by the roller tube portion 111, the adjusting portion 312 is connected to the connecting portion 311, and the adjusting portion 312 drives the product to slide on the roller tube transportation unit 11.
In this embodiment, the height of the connecting portion 312 is slightly higher than the roller transportation unit, for example, between 5 cm to 20 cm, of course, in order to adapt to the sizes of different products, the length of the connecting portion 312 can be increased or shortened, but the connecting portion 312 must be higher than the plane where the roller transportation unit 11 is located, so that the adjusting portion 311 is higher than the roller transportation unit 11, when the connecting portion 312 moves between the gap 112, the adjusting portion 311 can also slide above the roller transportation unit 11, drive the product to slide on the roller transportation unit 11, realize the positioning of the product along the length direction of the roller transportation unit 11, and after laser marking is completed, the product can be moved to the blanking position through the first positioning plate 31, thereby improving the working efficiency.
Referring to fig. 4, which is a schematic structural diagram of a second adjusting unit according to an embodiment of the present invention, the second adjusting unit 4 includes: a second slide rail 41, an adjusting baffle 42, a baffle mounting plate 43, a baffle mounting seat 44, a driving screw rod 45 and a driving motor 46; the second slide rail 41 is a double slide rail and is arranged below the roller transportation unit 11; the adjusting baffle 42 is fixed on the baffle mounting plate 43, the baffle mounting plate 43 is fixed on the baffle mounting seat 44, and the baffle mounting seat 44 is arranged on the second slide rail in a sliding manner; the driving motor 46 is arranged below the baffle mounting plate 43, the driving screw rod 45 is connected with the driving motor 46 and the adjusting baffle 42, the driving motor 46 drives the driving screw rod 45 to move, and the driving screw rod 45 drives the adjusting baffle 42 to move towards the direction close to or away from the laser marking unit 2.
In the present embodiment, since the second slide rail 41 is a double slide rail, and the baffle mounting plate 43 is slidably disposed on the second slide rail 41, two baffle mounting seats 44 are provided, so that the baffle mounting plate 43 can be slidably disposed on the second slide rail 41. The adjusting baffle 42 can be fixed on the baffle mounting plate 43 through threaded connection, pin connection and other modes, so that when the baffle mounting plate 43 slides on the second slide rail 41, the adjusting baffle 42 is driven to move towards the laser marking unit 2, and the adjusting baffle 42 is driven to move towards the laser marking unit 2.
Wherein, the driving motor 46 drives the adjusting baffle 42 to move towards the direction close to or far away from the laser marking unit 2 through the transmission of the driving screw rod 45 by positive rotation or negative rotation; after the product is arranged on the roller conveying unit 11, the driving motor 46 rotates forwards to drive the driving screw rod 45 to drive the adjusting baffle 42 to move, and the adjusting baffle 42 drives the product to move towards the direction close to the laser marking unit 2; after marking is finished, the driving motor 46 reversely rotates to drive the driving screw 45 to drive the adjusting baffle 42 to move in a direction away from the laser marking unit 2.
Referring to fig. 5, which is a schematic structural diagram of a marking adjusting unit according to an embodiment of the present invention, the marking adjusting unit 5 includes: the adjusting slide rail 51, the second positioning plate 52 and the second positioning plate mounting seat 53, wherein the second positioning plate 52 is slidably arranged on the adjusting slide rail 51 through the second positioning plate mounting seat 53; the second positioning plate mounting seat 53 is provided with an adjusting handle 531, and the adjusting handle 531 is used for adjusting the position of the second positioning plate 52 on the adjusting slide rail 51; the adjusting slide rail 51 is provided with a focusing handle 511, and the focusing handle 511 is used for adjusting the focal length of the laser marking unit 2.
In this embodiment, the second positioning plate 52 can cooperate with the adjusting baffle 42 to fix the position of the product in the width direction of the roller transporting unit 11 when the product is pushed toward the laser marking unit 2 by the adjusting baffle 42. The number of the second positioning plates 52 may be 1, two or more, in this embodiment, two second positioning plates 52 are provided, and two second positioning plates 52 may fix different ends of the product, thereby improving the accuracy of the fixed position of the product.
When the sizes of the products are different, the position of the second positioning plate 52 on the adjusting slide rail 51 can be adjusted by the adjusting handle 531, so as to use the products with different sizes. Meanwhile, when the positions of the products needing to be marked are different, the products are prevented from being pushed to the position close to the laser marking unit 2 through the adjusting baffle 42, the products are blocked by the second positioning plate 52 and are not in the laser marking range, the position of the second positioning plate 52 on the adjusting slide rail 51 can be adjusted through the adjusting handle 531, and the marking at different positions of the products in the same type or different types is fully compatible, so that the marking requirements of the products are met.
In order to adapt to the situation that the position of the laser in the currently installed laser marking unit 2 is close to the second positioning plate 52 to the product marking position, the focusing handle 511 may need to slightly adjust the requirements of laser marking focal length and the like, and the requirements of focusing, testing and the like when different marking lenses need to be replaced in the actual process, so that the actual compatibility of the laser marking device 10 is fully ensured. The focusing handle 511 is driven manually or by a motor, so that the second positioning plate 52 can be adjusted in one dimension in a direction perpendicular to the marking plane of the product, and debugging, focusing and the like can be realized.
Referring to fig. 6, which is a schematic structural diagram of a third adjusting unit according to an embodiment of the present invention, the third adjusting unit 6 includes: third slide rail 61 and lifting unit 62, lifting unit 62 slides and sets up on third slide rail 61, and laser marking unit 2 is fixed on lifting unit 62, and lifting unit 62 can drive laser marking unit 2 up-and-down motion.
Wherein, lifting unit 62 can move along roller conveying unit 11 length direction on third slide rail 61, drives laser marking unit 2 and moves along roller conveying unit 11 length direction, and the difference of adaptation product is beaten the mark position. Meanwhile, the lifting component 62 can also drive the laser marking unit 2 to move up and down, so that the laser marking device is suitable for positions to be marked of products with different heights.
In summary, a roller transportation unit is arranged on the machine body, a product is placed on the roller transportation unit, the roller transportation unit comprises two groups of roller parts, the two groups of roller parts are symmetrically arranged on the same plane, a gap is defined between the two groups of roller parts, the laser marking unit is slidably arranged on the lifting assembly, laser can be emitted through a laser, the laser emission path is adjusted through a galvanometer, so that the laser marks the product along a preset track, the lifting assembly is driven by a third slide rail to move along the length direction of the roller transportation unit, the first adjusting unit comprises a first slide rail and a first positioning plate, the first positioning plate is slidably arranged in the gap defined by the two groups of roller parts through the first slide rail, the first positioning plate stirs the product through an adjusting part, the product is driven to move on the roller transportation unit, the second adjusting unit is constructed on the other side of the roller transportation unit relative to the laser marking unit, promote the product to the direction of laser marking unit through adjusting the baffle, beat the second locating plate among the mark adjusting unit and can cooperate adjusting the baffle with the product along roller conveying unit width direction's rigidity, can adapt to the product of different shapes and size, satisfy the demand that needs beat the mark product in different positions, can beat the mark completion back at the product simultaneously and drive the unloading position with the product through first locating plate, improved work efficiency when improving compatibility.
Referring to fig. 7, a schematic flow chart of a method for controlling a laser marking device according to an embodiment of the present invention includes the following steps:
and S701, adjusting the initial positions of the laser marking unit, the first adjusting unit and the second adjusting unit according to preset parameters.
Specifically, when products with different sizes and shapes are replaced for marking, the initial positions of the laser marking unit, the first adjusting unit and the second adjusting unit can be adjusted according to the preset parameters of the sizes of the products. The situation that laser marking cannot be smoothly carried out due to the fact that the positions of the laser marking unit, the first adjusting unit and the second adjusting unit are unreasonable as the size of a product is too large or too small is avoided.
And step S702, determining the position of the product along the length direction of the roller conveying unit by adjusting the first adjusting unit and matching with the machine body.
Specifically, can be through the first locating plate in the first regulating unit, first locating plate removes between the space that roller portion prescribed a limit to, drives the product and removes to cooperate the organism with the product along roller conveying unit length direction's rigidity.
And S703, adjusting the second adjusting unit to enable the product to approach the laser marking unit, and determining the position of the product along the width direction of the roller conveying unit.
Specifically, adjust the adjusting stop in the second regulating unit, adjusting stop promotes the product and moves to the direction that is close to the laser marking unit, and cooperation second locating plate is fixed the position of product along roller conveying unit width direction.
And step S704, starting the laser marking unit to mark the position to be marked of the product.
Specifically, after the marking range of the laser marking unit is located at the position, to be marked, of the product, the laser marking unit is started to conduct laser marking on the position, to be marked, of the product.
And step S705, marking is completed, and the laser marking unit is closed.
Specifically, after the laser marking is completed, the laser in the laser marking unit is turned off, and the generation of the laser beam is stopped.
In this embodiment, according to presetting the parameter, adjust the laser marking unit, the initial position of first regulating unit and second regulating unit, then through adjusting first regulating unit, the cooperation organism is confirmed the product and is followed roller transportation unit length direction's ascending position, adjust the second regulating unit, promote the direction of product to the laser marking unit, confirm the product and follow roller transportation unit width direction's ascending position, after fixing the product, start the laser marking unit and mark the mark to treat of product, mark the completion back, close the laser marking unit, can be compatible with the product of different sizes and shape, avoid the different laser marking device's of different product needs the situation, and the cost is saved.
Fig. 8 is a schematic flow chart of a method for controlling a laser marking device according to another embodiment of the present invention, including the following steps:
step S801, adjusting initial positions of the laser marking unit, the first adjusting unit and the second adjusting unit according to preset parameters.
And S802, determining the position of the product along the length direction of the roller conveying unit by adjusting the first adjusting unit and matching with the machine body.
And S803, adjusting the second adjusting unit to enable the product to approach to the laser marking unit, and determining the position of the product along the width direction of the roller conveying unit.
And step S804, starting the laser marking unit to mark the position to be marked of the product.
And step S805, marking is completed, and the laser marking unit is closed.
And step 806, returning the laser marking unit and the second adjusting unit to the initial positions.
Specifically, after marking is completed, the laser marking unit and the second adjusting unit are returned to the initial positions, and the product is loosened.
Step S807, the first adjusting unit is adjusted to drive the product to a blanking position.
Specifically, the first positioning plate in the first adjusting unit is adjusted to move in the reverse direction, so that the product is driven to the discharging position, and then the product is discharged.
Step S808, adjusting the first adjusting unit to an initial position.
Specifically, after the first positioning plate moves the product to the blanking position and the blanking of the product is completed, the first adjusting position in the first adjusting unit is returned to the initial position.
In the embodiment, the initial positions of the laser marking unit, the first adjusting unit and the second adjusting unit are adjusted according to preset parameters, then, the first adjusting unit is adjusted, the position of the product in the length direction of the roller conveying unit is determined by matching with the machine body, the second adjusting unit is adjusted, the product is pushed towards the laser marking unit, the position of the product in the width direction of the roller conveying unit is determined, the laser marking unit is started to mark the position of the product to be marked, after marking is completed, closing the laser marking unit, returning the laser marking unit and the second adjusting mechanism to the initial position, conveying the product to a blanking position through the first adjusting unit, then the first adjusting unit is returned to the initial position, products with different sizes can be compatible for marking, meanwhile, after marking is finished, the product is automatically conveyed to a discharging position, and the processing efficiency is improved.
It is to be understood that the above-described embodiments are merely illustrative of some, but not restrictive, of the broad invention, and that the appended drawings illustrate preferred embodiments of the invention without limiting its scope. This invention may be embodied in many different forms and, on the contrary, these embodiments are provided so that this disclosure will be thorough and complete. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and modifications can be made, and equivalents may be substituted for elements thereof. All equivalent structures made by using the contents of the specification and the attached drawings of the invention can be directly or indirectly applied to other related technical fields, and are also within the protection scope of the patent of the invention.
Claims (10)
1. A laser marking device, comprising:
the machine body comprises a roller conveying unit, the roller conveying unit comprises two groups of roller parts, the two groups of roller parts are symmetrically arranged on the same plane, and a gap is defined between the two groups of roller parts;
the laser marking unit is constructed above the machine body;
a first adjustment unit configured above the machine body, the first adjustment unit further comprising a first positioning plate movable between a gap defined by the two sets of drum sections;
the second adjusting unit is arranged on the other side, opposite to the laser marking unit, of the roller conveying unit and can push the product to move towards the laser marking unit.
2. Laser marking device according to claim 1,
the first positioning plate includes: the connecting portion are arranged between gaps defined by the roller barrel portions, the adjusting portion is connected with the connecting portion, and the adjusting portion drives products to slide on the roller conveying unit.
3. Laser marking device according to claim 1,
the first adjusting unit further includes: the roller conveying device comprises a first positioning plate fixing seat and a first sliding rail, wherein the first sliding rail is arranged below the roller conveying unit, the first positioning plate is fixed on the first positioning plate fixing seat, and the first positioning plate fixing seat is arranged on the first sliding rail in a sliding mode.
4. Laser marking device according to claim 1,
the second adjusting unit includes: the second sliding rail, the adjusting baffle, the baffle mounting plate, the baffle mounting seat, the driving screw rod and the driving motor are arranged on the second sliding rail; the second slide rail is a double slide rail and is arranged below the roller conveying unit; the adjusting baffle is fixed on the baffle mounting plate; the baffle mounting plate is fixed on the baffle mounting seat; the baffle mounting seat is arranged on the second slide rail in a sliding manner; the driving motor is arranged below the baffle mounting plate, and the driving screw rod is connected with the driving motor and the adjusting baffle; the driving motor drives the driving screw rod to move, and the driving screw rod drives the adjusting baffle plate to move towards the direction close to or far away from the laser marking unit.
5. Laser marking device according to claim 1,
further comprising: marking adjusting unit, marking adjusting unit includes: the adjusting slide rail, the second positioning plate mounting seat and the second positioning plate are arranged on the adjusting slide rail in a sliding mode through the second positioning plate mounting seat; an adjusting handle is arranged on the second positioning plate mounting seat and used for adjusting the position of the second positioning plate on the adjusting slide rail; and a focusing handle is arranged on the adjusting slide rail and used for adjusting the focal length of the laser marking unit.
6. Laser marking device according to claim 1,
further comprising: a third adjusting unit including: the laser marking device comprises a third slide rail and a lifting assembly, wherein the lifting assembly is arranged on the third slide rail in a sliding mode, the laser marking unit is fixed on the lifting assembly, and the lifting assembly can drive the laser marking unit to move up and down.
7. Laser marking device according to claim 1, characterized in that the laser marking unit comprises:
the device comprises an electrical control part, a laser, a beam expanding lens, a vibrating lens and a focusing lens, wherein the electrical control part is electrically connected with the laser, the beam expanding lens, the vibrating lens and the focusing lens in sequence; the electric control part is used for providing power supply and controlling the output mode of the laser beam; the laser is used for providing a laser light source; the beam expander is used for expanding the laser beam emitted by the laser; the galvanometer is used for adjusting the expanded laser beam to a position to be marked of a product; the focusing mirror is used for focusing the expanded laser beam to a position to be marked of a product.
8. The laser marking device according to claim 1, further comprising:
and the control unit can preset the parameters of the laser marking unit, the first adjusting unit and the second adjusting unit and control the laser marking unit to mark.
9. A control method of a laser marking device is characterized by comprising the following steps:
adjusting the initial positions of the laser marking unit, the first adjusting unit and the second adjusting unit according to preset parameters;
the position of a product along the length direction of the roller conveying unit is determined by adjusting the first adjusting unit and matching with the machine body;
the second adjusting unit is adjusted to enable the product to approach to the laser marking unit, and the position of the product in the width direction of the roller conveying unit is determined;
starting the laser marking unit to mark the product;
and after marking is finished, closing the laser marking unit.
10. The method of controlling a laser marking device according to claim 9, further comprising, after the laser marking unit is turned off after the marking is completed:
returning the laser marking unit and the second adjusting unit to initial positions;
Adjusting the first adjusting unit to drive the product to a blanking position;
and adjusting the first adjusting unit to an initial position.
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