Laser etching equipment

Abstract

The utility model discloses laser etching equipment which comprises a machine frame and a rotating disc device installed on the machine frame, the rotating disc device comprises a servo motor, a rotating disc driven by the servo motor to rotate and four sets of product carriers installed on the rotating disc in a concentric array mode, and a feeding station, a laser etching station, a detection station and a discharging station are sequentially arranged around the rotating disc. The positioning mechanisms are arranged below the product carriers at the laser carving station and the discharging station in a butt joint mode, the feeding carrying module is arranged on the feeding station, the charging tray feeding module is arranged at the side end of the feeding carrying module in a butt joint mode, the laser carving device is arranged at the laser carving station, the laser mark detection device is arranged at the detection station, and the discharging carrying module is arranged at the discharging station. The side end of the discharging carrying module is provided with a material disc receiving module and a defective product receiving module in a butt joint mode. By means of the mode, products can be rapidly positioned, elastically pre-pressed and subjected to laser etching, the laser etching content can be recognized and detected, good products and defective products can be automatically distinguished, and working hours are shortened.

Description

TECHNICAL FIELD

[0001] The utility model relates to a laser etching technical field, in particular to a laser etching equipment. BACKGROUND

[0002] The laser etching machine is a kind of machine that uses laser beam to engrave permanent mark on the surface of matter or inside transparent matter, laser beam can produce two kinds of effects on matter, namely chemical effect and physical effect, when matter absorbs laser light instantaneously, physical or chemical reaction is generated, thereby trace or pattern or character is engraved, so it is also called laser marking machine or laser engraving machine.

[0003] As shown in the figure, the laser etching product is small and shaped, the positioning of the product directly affects the laser etching effect, and the ordinary carrier is difficult to accurately position the product, due to the machining error of the product and the different heights of different batches of products, the installation height of several products on the carrier is different, and the product cannot reach the required height for laser etching.

[0004] Based on the above defects and deficiencies, it is necessary to improve the existing technology and design a laser etching equipment. CONTENT OF UTILITY MODEL

[0005] The utility model mainly solves the technical problem to provide a kind of laser etching equipment, can quickly position product, elastic pre-press product, laser etching and identify detection to laser etching content, automatically distinguish good product and bad product, shorten working hours.

[0006] To solve the above technical problems, one technical scheme of the utility model is provided: a kind of laser etching equipment, the laser etching equipment includes rack, and the tray feeding module, feeding and carrying module, carousel device, laser etching device, laser mark detection device, discharging and carrying module, tray material receiving module and bad product material receiving module installed to rack, the carousel device includes servo motor, rotating carousel driven by servo motor, four groups of same center array installation on the product carrier of carousel, around carousel sequentially there are feeding station, laser etching station, detection station and discharging station, the product carrier below laser etching station and discharging station is butt-jointed and positioned mechanism is provided, and the feeding platform is also provided at discharging station, the feeding and carrying module is arranged at feeding station, and the tray feeding module is butt-jointed and positioned at the side end of feeding and carrying module, and the product at tray feeding module is adsorbed and carried to the product carrier by feeding and carrying module, the laser etching device is arranged at laser etching station, the laser mark detection device is arranged at detection station, the discharging and carrying module is arranged at discharging station, and the tray material receiving module and bad product material receiving module are butt-jointed and positioned at the side end of discharging and carrying module, and the finished product is adsorbed and carried to the tray material receiving module by discharging and carrying module, and the bad product is adsorbed and carried to the bad product material receiving module.

[0007] Preferably, the product carrier comprises a carrier plate, a bottom plate, a floating plate, a positioning pin and a connecting block, the carrier plate is fixed to the rotating disc, the top surface of the carrier plate is provided with a plurality of mounting cavities for placing products, the carrier plate and the bottom plate below are fixedly connected through connecting columns, the floating plate is connected to the top of the bottom plate through springs, the positioning pin capable of penetrating the carrier plate is installed on the floating plate, the positioning pin is opposite to the hole position on the product in the mounting cavity, the connecting block penetrating the bottom plate is installed at the bottom of the floating plate, and the connecting block is outwardly extended at the bottom to form a connecting portion.

[0008] Preferably, the positioning mechanism comprises a fixed support, a carrier positioning cylinder, a lifting frame, a positioning column, a positioning pin, a pin withdrawing cylinder, a jacking plate and a pin withdrawing block, the carrier positioning cylinder is installed on the fixed support, the carrier positioning cylinder drives the lifting frame to move up and down, the positioning column is installed on the lifting frame plate, the positioning pin is installed at the top of the positioning column and matched with the positioning hole at the bottom of the bottom plate, the pin withdrawing cylinder is also installed on the lifting frame, the pin withdrawing cylinder drives the jacking plate to move up and down, two opposite pin withdrawing blocks are installed on the jacking plate, and clamping portions for clamping the connecting portion are outwardly extended at the opposite surfaces of the two pin withdrawing blocks.

[0009] Preferably, the laser engraving device comprises a pre-pressing mechanism matched with the product carrier and a laser engraving machine arranged at the side end of the pre-pressing mechanism, the pre-pressing mechanism comprises a pre-pressing support, a pressing cylinder, a pre-pressing lifting plate, a pre-pressing block, a cover plate and a buffer spring, the pressing cylinder is installed on the pre-pressing support, the pressing cylinder drives the pre-pressing lifting plate to move up and down, the pre-pressing lifting plate is slidably connected with the pre-pressing support through a linear sliding rail, a plurality of pre-pressing blocks matched with the products one by one on the product carrier are slidably hung on the horizontal plate of the pre-pressing lifting plate, the cover plate is also installed on the horizontal plate of the pre-pressing lifting plate, the pre-pressing blocks and the cover plate above are elastically connected through the buffer spring, the pre-pressing portions are outwardly extended at the lower ends of the pre-pressing blocks, the laser engraving avoiding openings are formed in the horizontal plate of the pre-pressing lifting plate and the cover plate, and the laser engraving machine penetrates the laser engraving avoiding openings to perform laser engraving on the products.

[0010] Preferably, the laser mark detection device comprises a single-shaft linear module installed on the rack through a support, front-rear cylinders driven to move left and right by the single-shaft linear module, a moving plate driven to move forward and backward by the front-rear cylinders and a scanning gun installed on the moving plate.

[0011] Compared with the prior art, the product carrier is provided with a plurality of mounting cavities, a plurality of products to be laser engraved can be installed at one time, the product carrier is provided with floating positioning pins, the positioning pins are inserted into the hole positions on the products when the products are positioned, and the laser mark detection device is provided with a single-shaft linear module, front-rear cylinders, a moving plate and a scanning gun.

[0012] The product carrier is provided with a plurality of mounting cavities, a plurality of products to be laser engraved can be installed at one time, the product carrier is provided with floating positioning pins, the positioning pins are inserted into the hole positions on the products when the products are positioned, and the laser mark detection device is provided with a single-shaft linear module, front-rear cylinders, a moving plate and a scanning gun.

[0013] The positioning mechanism is used in cooperation with the product carrier. The laser-engraving station and the unloading station are used to quickly position the product carrier. The floating plate is pulled down by the pin block, and the positioning pin is withdrawn from the product, so as to engrave the product or unload the product;

[0014] Before laser engraving, the pre-pressing mechanism pre-presses the product in the product carrier, so as to ensure the stability of the product, avoid the product from being warped, and ensure that the upper surface of the product to be engraved reaches the required position height for laser engraving.

[0015] The laser mark detection device is used to identify and detect the laser-engraved content, so as to automatically distinguish between good and bad products. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 FIG. 1 is a structural schematic diagram of a laser-engraved product.

[0017] Figure 2 FIG. 2 is a top view of a laser-engraving device.

[0018] Figure 3 FIG. 3 is a structural schematic diagram of a laser-engraving device.

[0019] Figure 4 FIG. 4 is a structural schematic diagram of a rotating disc device of a laser-engraving device.

[0020] Figure 5 FIG. 5 is a structural schematic diagram of a product carrier of a laser-engraving device.

[0021] Figure 6 FIG. 6 is a structural schematic diagram of a positioning mechanism of a laser-engraving device.

[0022] Figure 7 FIG. 7 is a structural schematic diagram of a pre-pressing mechanism of a laser-engraving device.

[0023] Figure 8 FIG. 8 is a structural schematic diagram of a laser mark detection device of a laser-engraving device.

[0024] Wherein, 1, rack, 2, tray feeding module, 3, feeding and carrying module, 4, rotary table device, 41, servo motor, 42, rotary table, 43, product carrier, 431, carrier plate, 432, bottom plate, 433, floating plate, 434, positioning thimble, 435, connecting block, 4351, connecting part, 44, positioning mechanism, 441, fixed support, 442, carrier positioning cylinder, 443, lifting frame, 444, positioning column, 445, positioning pin, 446, pin retraction cylinder, 447, jacking plate, 448, pin retraction block, 4481, clamping part, 45, replenishment platform, 5, laser etching device, 51, pre-pressing mechanism, 511, pre-pressing support, 512, down pressure cylinder, 513, pre-pressing lifting plate, 514, pre-pressing block, 515, cover plate, 516, buffer spring, 52, laser etching machine, 6, laser mark detection device, 61, single-shaft linear module, 62, front and rear cylinders, 63, transfer plate, 64, scanning gun, 7, discharging and carrying module, 8, tray collecting module, 9, defective product collecting module. DETAILED DESCRIPTION

[0025] The preferred embodiments of the utility model are described in detail below with reference to the drawings, so that the advantages and features of the utility model can be more easily understood by those skilled in the art, and the protection scope of the utility model can be more clearly and explicitly defined.

[0026] Please refer to Figures 1 to 8 The utility model embodiment includes:

[0027] A laser etching device, which comprises a rack 1, and a tray feeding module 2, a feeding and carrying module 3, a rotary table device 4, a laser etching device 5, a laser mark detection device 6, a discharging and carrying module 7, a tray collecting module 8 and a defective product collecting module 9 installed on the rack 1.

[0028] The rotary table device 4 comprises a servo motor 41, a rotary table 42 driven to rotate by the servo motor, four groups of product carriers 43 installed in an array around the same center on the rotary table 42, a feeding station, a laser etching station, a detection station and a discharging station are sequentially arranged around the rotary table 42, a positioning mechanism 44 is arranged in butt joint below the product carriers 43 at the laser etching station and the discharging station, and a replenishment platform 45 is further arranged at the discharging station.

[0029] The product carrier 43 comprises a carrier plate 431, a bottom plate 432, a floating plate 433, a positioning pin 434, and a connecting block 435, the carrier plate 431 is fixed to the turntable 42, the top surface of the carrier plate 431 is provided with a plurality of mounting cavities 430 for placing products, the carrier plate 431 and the bottom plate 432 below are fixedly connected through connecting columns, the floating plate 433 is connected above the bottom plate 432 through springs, the positioning pin 434 capable of penetrating the carrier plate 431 is installed on the floating plate 433, the positioning pin 434 is opposite to the hole position on the product in the mounting cavity 430, the connecting block 435 penetrating the bottom plate 432 is installed at the bottom of the floating plate 433, and the connecting part 4351 is outwardly extended at the bottom of the connecting block 435.

[0030] The positioning mechanism 44 comprises a fixed support 441, a carrier positioning cylinder 442, a lifting frame 443, a positioning column 444, a positioning pin 445, a pin withdrawing cylinder 446, a jacking plate 447, and a pin withdrawing block 448, the carrier positioning cylinder 442 is installed on the fixed support 441, the carrier positioning cylinder 442 drives the lifting frame 443 to move up and down, the positioning column 444 is installed on the top plate of the lifting frame 443, the positioning pin 445 cooperating with the positioning hole at the bottom of the bottom plate 432 is installed at the top of the positioning column 444, the pin withdrawing cylinder 446 is also installed on the lifting frame 443, the pin withdrawing cylinder 446 drives the jacking plate 447 to move up and down, the two opposite pin withdrawing blocks 448 are installed on the jacking plate 447, the clamping parts 4481 for clamping the connecting part 4351 are outwardly extended horizontally on the opposite surfaces of the two pin withdrawing blocks 448, the product carrier 43 is turned to the top of the positioning mechanism 44 along with the turntable 42, the carrier positioning cylinder 442 drives the lifting frame 443 to move up, the positioning pin 445 is inserted into the positioning hole at the bottom of the bottom plate 432, the product carrier 43 is quickly positioned, the connecting part 4351 at the bottom of the connecting block 435 is turned to below the clamping parts 4481 of the two pin withdrawing blocks 448, the pin withdrawing cylinder 446 drives the jacking plate 447 to move down, the pin withdrawing block 448 moves down to pull the floating plate 433 to move down, and the positioning pin 434 exits the product.

[0031] The feeding and carrying module 3 is arranged at a feeding station, and the feeding and carrying module 3 is arranged in butt joint with the tray feeding module 2 at the side end, the feeding and carrying module 3 carries the product at the tray feeding module 2 to the product carrier 43 through suction.

[0032] The laser etching device 5 is arranged at a laser etching station, and the laser etching device 5 comprises a pre-pressing mechanism 51 which is in butt joint with the product carrier 43 and a laser etching machine 52 which is arranged at a side end of the pre-pressing mechanism 51. The pre-pressing mechanism 51 comprises a pre-pressing support 511, a pressing cylinder 512, a pre-pressing lifting plate 513, a pre-pressing block 514, a cover plate 515 and a buffer spring 516. The pressing cylinder 512 is mounted on the pre-pressing support 511 and drives the pre-pressing lifting plate 513 to move up and down. The pre-pressing lifting plate 513 is in sliding connection with the pre-pressing support 511 through a linear slide rail. A plurality of pre-pressing blocks 514 which are in one-to-one correspondence with products on the product carrier 43 are slidably hung on a horizontal plate of the pre-pressing lifting plate 513. The cover plate 515 is also mounted on the horizontal plate of the pre-pressing lifting plate 513. The cover plate 515 above the top of the pre-pressing block 514 is elastically connected through the buffer spring 516. A pre-pressing portion is horizontally and outwardly arranged at a lower end of the pre-pressing block 514. A laser etching avoiding opening is arranged on the horizontal plate and the cover plate 515 of the pre-pressing lifting plate 513. The laser etching machine 52 passes through the laser etching avoiding opening to perform laser etching marking on the product.

[0033] The laser mark detection device 6 is arranged at a detection station. The laser mark detection device 6 comprises a single-shaft linear module 61 which is mounted on the rack 1 through a support, a front-rear cylinder 62 which is driven by the single-shaft linear module 61 to move left and right, a transfer plate 63 which is driven by the front-rear cylinder 62 to move forward and backward, and a scanning gun 64 which is mounted on the transfer plate 63.

[0034] The blanking carrying module 7 is arranged at a blanking station. The blanking carrying module 7 is in butt joint with a material disc collecting module 8 and a defective product collecting module 9 at side ends. The blanking carrying module 7 respectively carries the finished products to the material disc collecting module 8 and carries the defective products to the defective product collecting module 9.

[0035] In operation, the laser engraving equipment of this utility model provides a material tray loading module 2 that loads the product onto a tray, which is then transported to the area below the material loading and transporting module 3. The material loading and transporting module 3 then picks up and transports the product from the material tray loading module 2 to the product carrier 43. The servo motor 41 drives the turntable 42 to rotate, and the product carrier 43 rotates with the turntable 42 to the laser engraving station. The carrier positioning cylinder 442 drives the lifting frame 443 to lift and move upward. The positioning pin 445 is inserted into the positioning hole at the bottom of the base plate 432, quickly positioning the product carrier 43. The bottom connecting part 4351 of the connecting block 435 rotates to the area below the clamping part 4481 of the two pin ejection blocks 448. The pin ejection cylinder 446 drives the lifting plate 447. The product moves downward, and the ejector pin 448 moves downward, pulling the floating plate 433 downward. The positioning pin 434 exits the product. At the same time, the pressing cylinder 512 of the pre-pressing mechanism 51 drives the pre-pressing lifting plate 513 to move downward. The pre-pressing block 514 elastically pre-presses the product. The laser engraving machine 52 passes through the laser engraving avoidance opening to laser engrave and mark the product. The product carrier 43 rotates with the turntable 42 to the inspection station. The scanning gun 64 scans the marked product and inspects the marked product. The product carrier 43 rotates with the turntable 42 to the unloading station. If the product is qualified, the unloading and conveying module 7 picks up and transports the qualified product to the material tray receiving module 8. If the product is defective, the defective product is picked up and transported to the defective product receiving module 9.

[0036] This utility model discloses a laser engraving device that can quickly position products, elastically pre-press products, laser engrave, and identify and detect the laser engraved content, automatically distinguishing between good and bad products, and shortening working time.

[0037] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A laser engraving device, characterized in that: The system includes a frame, and on the frame mounted a material tray loading module, a material handling module, a turntable device, a laser engraving device, a laser mark detection device, an unloading and handling module, a material tray receiving module, and a defective product receiving module. The turntable device includes a servo motor, a turntable driven by the servo motor, and four sets of product carriers mounted concentrically on the turntable. Around the turntable are sequentially arranged loading stations, laser engraving stations, detection stations, and unloading stations. Positioning mechanisms are installed below the product carriers at the laser engraving and unloading stations. A replenishment mechanism is also provided at the unloading station. The platform includes a material handling module located at the material handling station, with a material tray material handling module connected to its side. The material handling module picks up and transports products from the material tray material handling module to the product carrier. A laser engraving device is located at the laser engraving station, and a laser mark detection device is located at the detection station. A material unloading module is located at the unloading station, with a material tray receiving module and a defective product receiving module connected to its side. The material unloading module picks up and transports finished products to the material tray receiving module and defective products to the defective product receiving module.

2. The laser engraving equipment according to claim 1, characterized in that: The product carrier includes a carrier plate, a base plate, a floating plate, positioning pins, and a connecting block. The carrier plate is fixed to a turntable. The top surface of the carrier plate is provided with several mounting holes for placing products. The carrier plate and the base plate below it are fixedly connected by connecting columns. A floating plate is connected to the base plate by a spring. Positioning pins that can pass through the carrier plate are installed on the floating plate. The positioning pins are aligned with the holes on the products in the mounting holes. A connecting block that passes through the base plate is installed at the bottom of the floating plate. The bottom of the connecting block extends outward to provide a connecting part.

3. The laser engraving equipment according to claim 2, characterized in that: The positioning mechanism includes a fixed bracket, a carrier positioning cylinder, a lifting frame, a positioning column, a positioning pin, a pin ejection cylinder, a lifting plate, and pin ejection blocks. The fixed bracket is equipped with a carrier positioning cylinder, which drives the lifting frame to move up and down. A positioning column is installed on the lifting frame plate, and a positioning pin that mates with a positioning hole at the bottom of the base plate is installed on the top of the positioning column. The lifting frame is also equipped with a pin ejection cylinder, which drives the lifting plate to move up and down. Two opposing pin ejection blocks are installed on the lifting plate, and the opposing surfaces of the two pin ejection blocks extend horizontally outward and are provided with a locking part for locking the connecting part.

4. The laser engraving equipment according to claim 1, characterized in that: The laser engraving device includes a pre-pressing mechanism that docks with the product carrier and a laser engraving machine located at the side of the pre-pressing mechanism. The pre-pressing mechanism includes a pre-pressing bracket, a pressing cylinder, a pre-pressing lifting plate, a pre-pressing block, a cover plate, and a buffer spring. The pressing cylinder is installed on the pre-pressing bracket and drives the pre-pressing lifting plate to move up and down. The pre-pressing lifting plate is slidably connected to the pre-pressing bracket via a linear slide rail. Several pre-pressing blocks, each corresponding to a product on the product carrier, are slidably hung on the horizontal plate of the pre-pressing lifting plate. A cover plate is also installed on the horizontal plate of the pre-pressing lifting plate. The top of the pre-pressing block and the cover plate above it are elastically connected by a buffer spring. A pre-pressing part is provided at the lower end of the pre-pressing block extending horizontally outward. Laser engraving avoidance openings are provided on the horizontal plate and the cover plate of the pre-pressing lifting plate. The laser engraving machine passes through the laser engraving avoidance openings to laser engrave and mark the product.

5. A laser engraving device according to claim 1, characterized in that: The laser marking detection device includes a single-axis linear module mounted on a frame via a bracket, front and rear cylinders driven by the single-axis linear module to move left and right, a transfer plate driven by the front and rear cylinders to move back and forth, and a scanning gun mounted on the transfer plate.

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