CN113182699A

CN113182699A - Automatic convertible marking device

Info

Publication number: CN113182699A
Application number: CN202110540201.0A
Authority: CN
Inventors: 王青海; 张宏
Original assignee: Hunan Jiankun Laser Technology Co ltd
Current assignee: Hunan Jiankun Laser Technology Co ltd
Priority date: 2021-05-18
Filing date: 2021-05-18
Publication date: 2021-07-30

Abstract

The invention discloses automatic turnover type marking equipment which comprises a base, a first feeding device, a first conveying part, a second conveying part, an operating platform, a turnover device, a laser marking box and a second feeding device, wherein the first feeding device, the first conveying part, the second conveying part, the operating platform, the turnover device, the laser marking box and the second feeding device are fixedly arranged above the base. Automatic feeding and discharging are achieved through the first feeding device and the second feeding device, the workpiece is automatically overturned through the overturning device, and the marking device can conduct double-face marking on the workpiece, so that manual operation is reduced, and machining efficiency is improved.

Description

Automatic convertible marking device

Technical Field

The invention relates to the technical field of marking, in particular to automatic turnover type marking equipment.

Background

The laser marking machine is used to mark permanent marks on the surface of various materials by laser beams, and the marking principle is to expose the deep layer of the material by the evaporation of the surface layer material, thereby carving exquisite patterns, trademarks and characters. The existing laser marking device needs to manually turn over a workpiece after one surface of the workpiece is processed, then the laser marking device processes the second surface of the workpiece, the processing efficiency of the workpiece is reduced, and the workpiece is easily placed to be inclined in the manual turning process, so that the marking is inclined, and the marking quality is influenced.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to solve the technical problem of providing the automatic turnover type marking equipment, which realizes automatic feeding and discharging through the first feeding device and the second feeding device, and automatically turns over a workpiece through the turning device, so that the marking equipment can mark the workpiece on two sides, thereby reducing manual operation and improving the processing efficiency.

In order to achieve the purpose, the invention adopts the following technical scheme: an automatic turnover type marking device comprises a base, a first feeding device, a first conveying part, a second conveying part, an operation table, a turnover device, a laser marking box and a second feeding device, wherein the first feeding device, the first conveying part, the second conveying part, the operation table, the turnover device, the laser marking box and the second feeding device are fixedly arranged above the base;

the turnover device consists of two turnover parts which are symmetrically arranged along the front and the back of the operating platform, each turnover part comprises a support plate, a telescopic rod, a ratchet gear, a third rotating gear, a second rack, a first sliding block, a fourth motor, a first rotating shaft and a turnover fixture, the support plate is fixedly arranged on the base and is abutted against the side surface of the operating platform, a square hole is formed in the side surface of the support plate, the telescopic rod is rotatably arranged on the support plate, the ratchet gear is arranged in the square hole, one end of the telescopic rod is fixedly connected with the ratchet gear, the other end of the telescopic rod penetrates through the side wall of the square hole and extends to the outside to be fixedly connected with the turnover fixture, the third rotating gear is rotatably arranged on the inner wall of the square hole, a pawl matched with the ratchet gear is arranged on the third rotating gear, the first sliding block is slidably arranged in the square hole, one end of the second rack is fixedly arranged at the top of the first sliding block, and the other end of the second rack is meshed with the third rotating gear, the operating platform is internally provided with a driving cavity, a first rotating shaft penetrates through the driving cavity and extends into the square hole, a first cam is fixedly arranged at the free end of the first rotating shaft and is abutted to a first sliding block, a fourth motor is embedded at the top of the driving cavity, a first bevel gear is fixed at the power output end of the fourth motor, and a second bevel gear meshed with the first bevel gear is fixedly arranged on the first rotating shaft.

In a preferred technical scheme of the invention, the first feeding device and the second feeding device have the same structure, the first feeding device comprises an upper fixed block, a lower fixed block, a key sleeve, a hydraulic cylinder, a first motor, a first rotating gear, a second motor, a second rotating gear, a first rack and a cylinder, the bottom of the upper fixed block is abutted with the lower fixed block, a rotating cavity is arranged in the upper fixed block, the key sleeve is rotatably arranged in the rotating cavity, the hydraulic cylinder is embedded in the top wall of the rotating cavity, the output end of the hydraulic cylinder penetrates through the key sleeve and extends out of the upper fixed block, one side of the tooth surface of the first rack is fixedly connected with the free end of the hydraulic cylinder, the first motor is embedded in the bottom wall of the rotating cavity, the first rotating gear is fixed at the power output end of the first motor and is meshed with the key sleeve, a T-shaped groove is arranged at the top of the lower fixed block, the first rack is slidably arranged in the T-shaped groove, the second motor inlays in the lateral wall in T-slot, and second rotating gear is fixed in the power take off end of second motor, and second rotating gear is connected with first rack toothing, and the bottom of fixed block is evenly fixed in down to two or more cylinders.

In a preferred technical scheme of the invention, a guide beam is arranged on one side of the upper fixed block, a sliding groove is formed in one side of the guide beam, the second sliding block is slidably arranged in the sliding groove, a third motor is embedded in the inner wall of the sliding groove, one end of a threaded shaft is fixed at a power output end of the third motor, the other end of the threaded shaft is in threaded connection with the second sliding block, and the upper fixed block is fixedly connected with the second sliding block through a first support rod.

In a preferred technical scheme of the invention, a CCD camera is further arranged at the bottom of the lower fixed block on the first feeding device, more than two air cylinders are arranged around the CCD camera, a control box is further arranged on the base, and the CCD camera is electrically connected with the control box.

In a preferred technical scheme of the invention, the overturning clamp comprises a clamp body, a first compression spring, a pressing plate, a permanent magnet, an electromagnet and a rubber base plate, wherein a U-shaped slot is formed in one side of the clamp body, the pressing plate is arranged in the U-shaped slot and is fixedly connected with the top wall of the U-shaped slot through the first compression spring, the permanent magnet is embedded in the pressing plate, the electromagnet is embedded in the top of the U-shaped slot, and the rubber base plate is fixed at the bottom of the U-shaped slot.

In a preferred technical scheme of the invention, a first hydraulic cavity and a second hydraulic cavity are arranged in the operating platform, the first hydraulic cavity and the second hydraulic cavity are both positioned above the driving cavity, the first hydraulic cavity is communicated with the second hydraulic cavity through a hydraulic pipeline, a first transmission cavity is arranged above the first hydraulic cavity, a first piston is arranged in the first hydraulic cavity in a sliding manner, one end of a first piston rod is rotatably connected with the first piston, the other end of the first piston rod penetrates through the first transmission cavity and extends to the outside of the operating platform to be rotatably connected with a rotating block, a rubber sucker is fixedly arranged at the top of the rotating block, a connecting rod is uniformly and fixedly connected to the periphery of the first piston rod, the connecting rod is arranged in the first transmission cavity, a second compression spring is abutted between the connecting rod and the top wall of the first transmission cavity, the second compression spring is sleeved on the first piston rod, a chute is arranged on the side wall of the first transmission cavity, the chute consists of two chute sections which are arranged along the axis of the first piston rod in a central symmetry manner, the free end of the connecting rod is arranged in the chute in a sliding manner, the periphery of the top end of the first piston rod is also provided with a baffle plate, a second transmission cavity is arranged between the second hydraulic cavity and the driving cavity, the second piston is arranged in the second hydraulic cavity, one end of the second piston rod is fixedly connected with the second piston, the other end of the second piston rod extends into the second transmission cavity and is fixedly connected with the second sliding block, the second cam is abutted against the bottom of the second sliding block, one side of the second transmission cavity is provided with a third transmission cavity, a second rotating shaft is rotatably arranged between the second transmission cavity and the third transmission cavity, one end of the second rotating shaft is fixedly connected with the second cam, the other end of the second rotating shaft extends into the third transmission cavity and is fixedly connected with the third bevel gear, and a third rotating shaft is rotatably arranged between the third transmission cavity and the driving cavity, one end of the third rotating shaft is provided with a fourth bevel gear meshed with the third bevel gear, the other end of the third rotating shaft extends into the driving cavity and is fixedly connected with a fifth bevel gear, and the first rotating shaft is fixedly provided with a sixth bevel gear meshed with the fifth bevel gear.

In a preferred technical scheme of the invention, the top of the operating platform is provided with a processing groove, the bottom of the processing groove is provided with a containing groove, and the rotating block is arranged in the containing groove.

In a preferred technical scheme of the invention, the laser marking box is positioned above the first feeding device and is fixed on the base through a second support rod.

The invention has the beneficial effects that:

1. according to the automatic turnover type marking equipment, automatic feeding and discharging are achieved through the first feeding device and the second feeding device, the workpiece is automatically turned over through the turning device, and the marking equipment can conduct double-side marking on the workpiece, so that manual operation is reduced, and machining efficiency is improved.

2. According to the automatic turnover type marking device, the position of the workpiece is detected through the CCD camera, the detection result is sent to the control box to be compared, when the workpiece is detected to be inclined, the control box controls the first feeding device to work, the position of the air cylinder is adjusted, and then the marking position of the workpiece is corrected.

Drawings

Fig. 1 is a schematic overall structure diagram of an automatic roll-over marking device according to an embodiment of the present invention;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

FIG. 3 is a sectional view taken along line B-B of FIG. 1;

FIG. 4 is a sectional view taken along line C-C of FIG. 2;

FIG. 5 is an enlarged schematic view at D of FIG. 3;

FIG. 6 is an enlarged schematic view at E in FIG. 3;

FIG. 7 is a sectional view taken in the direction F-F in FIG. 3;

fig. 8 is an enlarged schematic view at G in fig. 3.

In the figure:

1-base, 2-first feeding device, 201-upper fixed block, 202-lower fixed block, 203-rotating cavity, 204-key sleeve, 205-hydraulic cylinder, 206-first rack, 207-first motor, 208-first rotating gear, 209-T-shaped groove, 210-second motor, 211-second rotating gear, 212-cylinder, 213-guide beam, 214-sliding groove, 215-second sliding block, 216-first supporting rod, 217-third motor, 218-threaded shaft, 301-first conveying part, 302-second conveying part, 4-operation table, 401-first hydraulic cavity, 402-second hydraulic cavity, 403-hydraulic pipeline, 404-first transmission cavity, 405-first piston, 406-first piston rod, 407-rotating block, 408-rubber sucker, 409-connecting rod, 410-second compression spring, 411-chute, 412-baffle, 413-second transmission cavity, 414-second piston, 415-second piston rod, 416-second sliding block, 417-second cam, 418-second sliding block, 419-third transmission cavity, 420-second rotating shaft, 421-third bevel gear, 422-third rotating shaft, 423-fourth bevel gear, 424-fifth bevel gear, 425-sixth bevel gear, 426-processing groove, 427-boss, 428-accommodating groove, 5-turnover part, 501-supporting plate, 502-square hole, 503-telescopic rod, 504-ratchet gear, 505-turnover clamp, 5051-clamp body, 5052-U-shaped slot, 5053-a first compression spring, 5054-a pressing plate, 5055-a permanent magnet, 5056-an electromagnet, 5057-a rubber base plate, 506-a third rotating gear, 507-a pawl, 508-a first sliding block, 509-a second rack, 510-a driving cavity, 511-a first rotating shaft, 512-a first cam, 513-a fourth motor, 514-a first bevel gear, 515-a second bevel gear, 6-a laser marking box, 7-a second feeding device, 8-a CCD camera, 9-a control box, 10-a second supporting rod and 11-a workpiece.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

As shown in fig. 1 to 8, in an embodiment, an automatic turnover marking apparatus is provided, which includes a base 1, and a first feeding device 2, a first conveying portion 301, a second conveying portion 302, an operation table 4, a turnover device, a laser marking box 6, and a second feeding device 7 that are fixedly disposed above the base 1, where the first conveying portion 301 and the second conveying portion 302 are respectively disposed at two sides of the operation table 4, the first feeding device 2 is disposed above the first conveying portion 301, and is used to transfer a workpiece 11 on the first conveying portion 301 to the operation table 4, the second feeding device 7 is disposed above the second conveying portion 302, and is used to transfer a workpiece 13 on the operation table 4 to the second conveying portion 302, the laser marking box 6 is disposed directly above the operation table 4, and the turnover device is fixedly disposed on a side wall of the operation table 4;

the turnover device comprises two turnover parts 5 which are symmetrically arranged in front and back along the operation table 4, the turnover parts 5 comprise a support plate 501, an expansion link 503, a ratchet wheel 504, a third rotating gear 506, a second rack 509, a first slide block 508, a fourth motor 513, a first rotating shaft 511 and a turnover fixture 505, the support plate 501 is fixedly arranged on the base 1, the support plate 501 is abutted against the side surface of the operation table 4, a square hole 502 is arranged on the side surface of the support plate 501, the expansion link 503 is rotatably arranged on the support plate 501, the ratchet wheel 504 is arranged in the square hole 502, one end of the expansion link 503 is fixedly connected with the ratchet wheel 504, the other end of the expansion link 503 penetrates through the side wall of the square hole 502 and extends to the outside to be fixedly connected with the turnover fixture 505, the third rotating gear 506 is rotatably arranged on the inner wall of the square hole 502, a pawl 507 matched with the ratchet wheel 503 is arranged on the third rotating gear 506, the first slide block 508 is slidably arranged in the square hole 502, one end of the second rack 509 is fixedly arranged on the top of the first sliding block 508, the other end of the second rack 509 is meshed with the third rotating gear 506, a driving cavity 510 is formed in the operating platform 4, the first rotating shaft 511 penetrates through the driving cavity 510 and extends into the square hole 502, the first cam 512 is fixedly arranged on the free end of the first rotating shaft 511, the first cam 512 is abutted against the first sliding block 508, the fourth motor 513 is embedded on the top of the driving cavity 510, the first bevel gear 514 is fixed on the power output end of the fourth motor 513, and the first rotating shaft 511 is fixedly provided with a second bevel gear 515 meshed with the first bevel gear 514. The first feeding device 2 transfers the workpiece 11 on the first conveying part 301 to the operation table, the telescopic rods 503 on both sides of the operation table extend simultaneously, so that the workpiece is firmly clamped by the overturning fixture 505, at this time, the fourth motor 513 is started, the fourth motor 513 drives the first rotating shaft 511 to rotate through the gear meshing structure, the first rotating shaft 511 rotates to drive the first cam 512 to rotate in the square hole 502, the first cam 512 rotates to push the first slider 508 to slide upwards in the square hole 502, the first slider 508 slides upwards to drive the second rack 509 to move upwards, the second rack 509 drives the telescopic rods 503 to rotate through the ratchet structure, so as to control the rotating overturning of the workpiece 11, when the first slider 508 slides to the highest point, the first cam 512 continues to rotate, at this time, the first slider 508 slides downwards under the action of gravity, the first slider 508 slides downwards to drive the second rack 509 to slide downwards, and returns to the initial position, due to the structural characteristics of the ratchet 504, the second rack 509 cannot drive the telescopic rod 503 to rotate, so that the workpiece 11 is prevented from rotating. Automatic feeding and discharging are achieved through the first feeding device and the second feeding device, the workpiece is automatically overturned through the overturning device, and the marking device can conduct double-face marking on the workpiece, so that manual operation is reduced, and machining efficiency is improved.

In order to facilitate the rapid alignment of the first feeding device 2 and the workpiece 11 during the machining process, so as to correct the position of the workpiece 11, further, as shown in fig. 4, the first feeding device 2 and the second feeding device 7 have the same structure, the first feeding device 2 includes an upper fixed block 201, a lower fixed block 202, a key sleeve 204, a hydraulic cylinder 205, a first motor 207, a first rotating gear 208, a second motor 210, a second rotating gear 211, a first rack 206, and a cylinder 212, the bottom of the upper fixed block 201 abuts against the lower fixed block 202, a rotating cavity 203 is formed in the upper fixed block 201, the key sleeve 204 is rotatably disposed in the rotating cavity 203, the hydraulic cylinder 205 is embedded in the top wall of the rotating cavity 203, an output end of the hydraulic cylinder 205 passes through the key sleeve 204 and extends out of the upper fixed block 201, one side of a tooth surface of the first rack 206 is fixedly connected with a free end of the hydraulic cylinder 205, the first motor 207 is embedded in the bottom wall of the rotating cavity 203, first rotating gear 208 is fixed in the power take off end of first motor 207, and first rotating gear 208 is connected with the meshing of key sleeve 204, T-slot 209 has been seted up at the top of lower fixed block 202, first rack 206 slides and sets up in T-slot 209, second motor 210 inlays in the lateral wall of T-slot 209, second rotating gear 211 is fixed in the power take off end of second motor 210, and second rotating gear 211 is connected with the meshing of first rack 206, the bottom of fixed block 202 is evenly fixed in to two or more cylinders 212. In the feeding process, when the position of the workpiece 11 on the first conveying part 301 is skewed, the first motor 207 is started, the first motor 207 drives the first rotating spur gear 208 to rotate, the first rotating spur gear 208 drives the key sleeve 204 to rotate through the gear meshing structure, the key sleeve 204 rotates to drive the output shaft of the hydraulic cylinder 205 to rotate, so that the lower fixed block 202 rotates in the horizontal plane, meanwhile, the second motor 210 is started, the second motor 210 drives the second rotating gear 211 to rotate, as the first rack 206 is fixed at the bottom of the upper fixed block 201 through the output shaft of the hydraulic cylinder 205, the second rotating gear 211 rotates to drive the lower fixed block 202 and the upper fixed block 201 to move relatively, so as to adjust the horizontal position of the first feeding device 2, thereby realizing the alignment of the first feeding device 2 and the workpiece 11, avoiding the problem of product quality caused by the skew feeding, after the position of the lower fixed block 202 is aligned with the workpiece 11, the hydraulic cylinder 205 is started, and the hydraulic cylinder 205 drives the lower fixing block 202 to move downwards, so that the cylinder 212 is close to the surface of the workpiece 11 and firmly sucks the workpiece 11.

In order to control the automatic feeding and discharging of the first feeding device 2, further, as shown in fig. 4, a guide beam 213 is disposed on one side of the upper fixing block 201, a sliding groove 214 is disposed on one side of the guide beam 213, the second sliding block 215 is slidably disposed in the sliding groove 214, a third motor 217 is embedded in the inner wall of the sliding groove 214, one end of a threaded shaft 218 is fixed to a power output end of the third motor 217, the other end of the threaded shaft 218 is in threaded connection with the second sliding block 215, and the upper fixing block 201 is fixedly connected with the second sliding block 215 through a first support rod 216. After the first feeding device 2 firmly sucks the workpiece 11, the third motor 217 is started, the third motor 217 rotates to drive the threaded shaft 218 to rotate, the threaded shaft 218 rotates to drive the second sliding block 215 to slide in the sliding groove 214, the second sliding block 215 slides to drive the first feeding device 2 to move to the position above the operating platform 4 from the first conveying part 301, then the first feeding device 2 can place the workpiece 11 on the operating platform 4, and after the workpiece 11 is placed, the third motor 217 rotates reversely to drive the first feeding device 2 to return to the position above the first conveying part 301 from the operating platform 4.

In order to detect the position information of the workpiece 11, as shown in fig. 4, a CCD camera 8 is further disposed at the bottom of the lower fixing block 202 on the first feeding device 2, more than two air cylinders 212 are disposed around the CCD camera 8, a control box 9 is further disposed on the base 1, and the CCD camera 8 is electrically connected to the control box 9. The position information of the workpiece 11 on the first conveying part 301 is detected by the CCD camera 8, and information such as position coordinates of the workpiece 11 is sent to the control box 9, the control box 9 compares the detected position information of the workpiece 11 with a set position, after the comparison is finished, the control box 9 controls the first motor 207 and the second motor 210 to operate, and adjusts the position of the lower fixing block 202 on the first feeding device 2, so that the lower fixing block 202 is aligned with the position of the workpiece 11.

In order to prevent the surface of the workpiece from being damaged or scratched, as shown in fig. 5, the turnover fixture 505 includes a fixture body 5051, a first compression spring 5053, a pressing plate 5054, a permanent magnet 5055, an electromagnet 5056, and a rubber pad 5057, wherein a U-shaped slot 5052 is formed in one side of the fixture body 5051, the pressing plate 5054 is disposed in the U-shaped slot 5052, the pressing plate 5054 is fixedly connected to the top wall of the U-shaped slot 5052 through the first compression spring 5053, the permanent magnet 5055 is embedded in the pressing plate 5054, the electromagnet 5056 is embedded in the top of the U-shaped slot 5052, and the rubber pad 5057 is fixed to the bottom of the U-shaped slot 5052. In an initial state, the electromagnet 5056 is energized, at the same time, the pressing plate 5054 overcomes the elastic force of the first compression spring 5053 under the action of the electromagnetic force, so that the pressing plate 5054 is located at the top of the U-shaped slot 5052, after the two ends of the workpiece 11 are inserted into the U-shaped slot 5052, the electromagnet 5056 is de-energized at the same time, the pressing plate 5054 presses the workpiece 11 under the action of the elastic force of the first compression spring 5053, and after the workpiece 11 is turned over, the electromagnet 5056 is energized at the same time, and the pressing plate 5054 releases the workpiece 11 under the action of the electromagnetic force and returns to the top of the U-shaped slot 5052.

In order to fix the workpiece 11 and prevent the workpiece 11 from shaking during the machining process, further, as shown in fig. 2, a first hydraulic chamber 401 and a second hydraulic chamber 402 are formed in the console 4, the first hydraulic chamber 401 and the second hydraulic chamber 402 are both located above the driving chamber 510, the first hydraulic chamber 401 is communicated with the second hydraulic chamber 402 through a hydraulic pipeline 403, a first transmission chamber 404 is formed above the first hydraulic chamber 401, a first piston 405 is slidably disposed in the first hydraulic chamber 401, one end of a first piston rod 406 is rotatably connected with the first piston 405, the other end of the first piston rod 406 penetrates through the first transmission chamber 404 and extends to the outside of the console 4 to be rotatably connected with the rotating block 407, a rubber suction cup 408 is fixedly disposed at the top of the rotating block 407, a connecting rod 409 is uniformly and fixedly connected to the periphery of the first piston rod 406, the connecting rod 409 is disposed in the first transmission chamber 404, a second compression spring 410 is abutted between the connecting rod 409 and the top wall of the first transmission chamber 404, the second compression spring 410 is sleeved on the first piston rod 406, the side wall of the first transmission cavity 404 is provided with an inclined groove 411, the inclined groove 411 is composed of two inclined groove sections which are arranged along the axial line center symmetry of the first piston rod 406, the free end of the connecting rod 409 is arranged in the inclined groove 411 in a sliding manner, the periphery of the top end of the first piston rod 406 is further provided with a baffle 412, a second transmission cavity 413 is arranged between the second hydraulic cavity 402 and the driving cavity 510, the second piston 414 is arranged in the second hydraulic cavity 402, one end of the second piston rod 415 is fixedly connected with the second piston 414, the other end of the second piston rod 415 extends into the second transmission cavity 413 to be fixedly connected with the second sliding block 418, the second cam 417 abuts against the bottom of the second sliding block 416, one side of the second transmission cavity 413 is provided with a third transmission cavity 419, a second rotating shaft 420 is rotatably arranged between the second transmission cavity 413 and the third transmission cavity 419, one end of the second rotating shaft 420 is fixedly connected with the second cam 417, the other end of the second rotating shaft 420 extends into a third transmission cavity 419 to be fixedly connected with a third bevel gear 421, a third rotating shaft 422 is rotatably arranged between the third transmission cavity 419 and the driving cavity 510, one end of the third rotating shaft 422 is provided with a fourth bevel gear 423 meshed with the third bevel gear 421, the other end of the third rotating shaft 422 extends into the driving cavity 510 to be fixedly connected with a fifth bevel gear 424, and a sixth bevel gear 425 meshed with the fifth bevel gear 424 is fixedly arranged on the first rotating shaft 511. The workpiece 11 is placed on the operation table 4 through the first feeding device 2, at this time, the rubber suction cup 408 is squeezed to firmly suck the workpiece 11, then the laser marking box 6 marks the workpiece 11, after marking is finished, the fourth motor 513 drives the first rotating shaft 511 to drive the sixth bevel gear 425 to rotate, the sixth bevel gear 425 drives the fifth bevel gear 424 to rotate, the fifth bevel gear 424 drives the fourth bevel gear 423 to rotate through the third rotating shaft 422, the fourth bevel gear 423 drives the third bevel gear 421 to rotate, the third bevel gear 421 drives the second cam 417 to rotate through the second rotating shaft 420, the second cam 417 rotates to push the second sliding block 418 to slide in the second transmission cavity 413, the second sliding block 418 drives the second piston 414 to compress the second hydraulic cavity 402 through the second piston rod 415, so that the first piston 405 drives the rotating block 407 to move upwards through the first piston rod 406 to lift the workpiece 11, and the connecting rod 409 slides in one of the chute sections and compresses the second compression spring 410, when the second cam 417 rotates by half a turn, the connecting rod 409 is clamped in the chute section and cannot move up and down, so that the rotating block 407 cannot fall down, when the telescopic rod 503 controls the turnover fixture 505 to clamp the workpiece 11, the fixture body 5051 pushes the baffle 412 to drive the first piston rod 406 to rotate, the first piston rod 406 rotates to drive the connecting rod 409 to rotate in the chute section, so that the connecting rod 409 slides into another chute section, and at the moment, under the action of the second compression spring 410, the first piston rod 406 is pushed to move down, so that the rotating block 407 moves down, and the workpiece 11 is prevented from being turned over.

In order to prevent sparks or debris generated during the machining process from flying out, as shown in fig. 2, a machining groove 426 is formed at the top of the operating platform 4, a boss 427 is fixedly arranged at the bottom of the machining groove 426, a receiving groove 428 is formed at the top of the boss 427, and the rotating block 407 is arranged in the receiving groove 428. The workpiece 11 is placed in the processing groove 426, so that sparks or scraps generated in the processing process can be blocked by the side wall of the processing groove 426, splashing around can be prevented, meanwhile, the scraps are accumulated at the bottom of the processing groove 426, and the cleaning work of operators is facilitated. In addition, the rotating block 407 is located in the receiving groove 428, which effectively avoids the unevenness of the surface of the convex 427 and prevents the influence on the processing of the workpiece 11.

In order to avoid the interference of the laser marking box 6 with the first feeding device 2 and the second feeding device 7 at the same time, further, as shown in fig. 2, the laser marking box 6 is located above the first feeding device 2, and the laser marking box 6 is fixed on the base 1 through the second support rod 10. Through marking the case 6 with the laser and setting up in first loading attachment 2's top for in upper and lower unloading process, first loading attachment 2 and second loading attachment 7 can not bump with the laser marking case, thereby guarantee that the course of working goes on smoothly.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.

Claims

1. The utility model provides an automatic convertible marking device which characterized in that: comprises a base (1), a first feeding device (2), a first conveying part (301), a second conveying part (302), an operating platform (4), a turnover device, a laser marking box (6) and a second feeding device (7) which are fixedly arranged above the base (1), wherein the first conveying part (301) and the second conveying part (302) are respectively arranged at two sides of the operating platform (4), the first feeding device (2) is arranged above the first conveying part (301), for transferring the work pieces (11) on the first conveying part (301) to the operating platform (4), a second feeding device (7) is arranged above the second conveying part (302), the laser marking box is used for transferring the workpieces (13) on the operating platform (4) to the second conveying part (302), the laser marking box (6) is arranged right above the operating platform (4), and the turnover device is fixedly arranged on the side wall of the operating platform (4);

the turnover device consists of two turnover parts (5) which are symmetrically arranged in front and back along the operating platform (4), each turnover part (5) comprises a support plate (501), a telescopic rod (503), a ratchet gear (504), a third rotating gear (506), a second rack (509), a first sliding block (508), a fourth motor (513), a first rotating shaft (511) and a turnover fixture (505), the support plate (501) is fixedly arranged on the base (1), the support plate (501) is abutted against the side surface of the operating platform (4), a square hole (502) is formed in the side surface of the support plate (501), the telescopic rod (503) is rotatably arranged on the support plate (501), the ratchet gear (504) is arranged in the square hole (502), one end of the telescopic rod (503) is fixedly connected with the ratchet gear (504), and the other end of the telescopic rod (503) penetrates through the side wall of the square hole (502) and extends to the outside to be fixedly connected with the turnover fixture (505), a third rotating gear (506) is rotatably arranged on the inner wall of the square hole (502), a pawl (507) matched with the ratchet gear (503) is arranged on the third rotating gear (506), a first sliding block (508) is slidably arranged in the square hole (502), one end of a second rack (509) is fixedly arranged at the top of the first sliding block (508), the other end of the second rack (509) is meshed with the third rotating gear (506), a driving cavity (510) is arranged in the operating platform (4), a first rotating shaft (511) penetrates through the driving cavity (510) and extends into the square hole (502), a first cam (512) is fixedly arranged at the free end of the first rotating shaft (511), and first cam (512) and first slider (508) butt joint, fourth motor (513) inlay in the top of drive chamber (510), first bevel gear (514) are fixed in the power take off end of fourth motor (513), set firmly second bevel gear (515) with first bevel gear (514) meshing on first pivot (511).

2. The automatic roll-over marking device according to claim 1, characterized in that: the first feeding device (2) and the second feeding device (7) are identical in structure, the first feeding device (2) comprises an upper fixing block (201), a lower fixing block (202), a key sleeve (204), a hydraulic cylinder (205), a first motor (207), a first rotating gear (208), a second motor (210), a second rotating gear (211), a first rack (206) and a cylinder (212), the bottom of the upper fixing block (201) is abutted to the lower fixing block (202), a rotating cavity (203) is formed in the upper fixing block (201), the key sleeve (204) is rotatably arranged in the rotating cavity (203), the hydraulic cylinder (205) is embedded in the top wall of the rotating cavity (203), the output end of the hydraulic cylinder (205) penetrates through the key sleeve (204) and extends out of the upper fixing block (201), one side of the tooth surface of the first rack (206) is fixedly connected with the free end of the hydraulic cylinder (205), and the first motor (207) is embedded in the bottom wall of the rotating cavity (203), first rotating gear (208) are fixed in the power take off end of first motor (207), and first rotating gear (208) are connected with key sleeve (204) meshing, T-slot (209) have been seted up at the top of lower fixed block (202), and first rack (206) slide to be set up in T-slot (209), and second motor (210) inlay in the lateral wall in T-slot (209), and second rotating gear (211) are fixed in the power take off end of second motor (210), and second rotating gear (211) are connected with first rack (206) meshing, and the bottom of fixed block (202) is evenly fixed in down in cylinder (212) more than two.

3. The automatic roll-over marking device according to claim 2, characterized in that: go up one side of fixed block (201) and be provided with guide beam (213), spout (214) have been seted up to one side of guide beam (213), second slider (215) slide and set up in spout (214), third motor (217) have been inlayed to spout (214) inner wall, the one end of screw thread axle (218) be fixed in with the power take off end of third motor (217), the other end and the second slider (215) threaded connection of screw thread axle (218), go up fixed block (201) through first bracing piece (216) and second slider (215) fixed connection.

4. The automatic roll-over marking device according to claim 2, characterized in that: the bottom of lower fixed block (202) on first loading attachment (2) still is provided with CCD camera (8), and two or more cylinders (212) set up around CCD camera (8), still be provided with control box (9) on base (1), CCD camera (8) and control box (9) electric connection.

5. The automatic roll-over marking device according to claim 1, characterized in that: the turnover clamp (505) comprises a clamp body (5051), a first compression spring (5053), a pressing plate (5054), a permanent magnet (5055), an electromagnet (5056) and a rubber base plate (5057), wherein a U-shaped slot (5052) is formed in one side of the clamp body (5051), the pressing plate (5054) is arranged in the U-shaped slot (5052), the pressing plate (5054) is fixedly connected with the top wall of the U-shaped slot (5052) through the first compression spring (5053), the permanent magnet (5055) is embedded in the pressing plate (5054), the electromagnet (5056) is embedded in the top of the U-shaped slot (5052), and the rubber base plate (5057) is fixed to the bottom of the U-shaped slot (5052).

6. The automatic roll-over marking device according to claim 1, characterized in that: a first hydraulic cavity (401) and a second hydraulic cavity (402) are formed in the operating platform (4), the first hydraulic cavity (401) and the second hydraulic cavity (402) are both located above the driving cavity (510), the first hydraulic cavity (401) is communicated with the second hydraulic cavity (402) through a hydraulic pipeline (403), a first transmission cavity (404) is formed above the first hydraulic cavity (401), a first piston (405) is arranged in the first hydraulic cavity (401) in a sliding mode, one end of a first piston rod (406) is rotatably connected with the first piston (405), the other end of the first piston rod (406) penetrates through the first transmission cavity (404) and extends to the outside of the operating platform (4) to be rotatably connected with a rotating block (407), a rubber suction cup (408) is fixedly arranged at the top of the rotating block (407), a connecting rod (409) is uniformly and fixedly connected to the periphery of the first piston rod (406), and the connecting rod (409) is arranged in the first transmission cavity (404), a second compression spring (410) is connected between the connecting rod (409) and the top wall of the first transmission cavity (404) in a butting manner, the second compression spring (410) is sleeved on the first piston rod (406), a chute (411) is formed in the side wall of the first transmission cavity (404), the chute (411) is composed of two chute sections symmetrically arranged along the axis center of the first piston rod (406), the free end of the connecting rod (409) is arranged in the chute (411) in a sliding manner, a baffle (412) is further arranged on the periphery of the top end of the first piston rod (406), a second transmission cavity (413) is formed between the second hydraulic cavity (402) and the driving cavity (510), a second piston (414) is arranged in the second hydraulic cavity (402), one end of the second piston rod (415) is fixedly connected with the second piston (414), and the other end of the second piston rod (415) extends into the second transmission cavity (413) and is fixedly connected with the second sliding block (418), the second cam (417) is abutted against the bottom of the second slider (416), a third transmission cavity (419) is formed in one side of the second transmission cavity (413), a second rotating shaft (420) is rotatably arranged between the second transmission cavity (413) and the third transmission cavity (419), one end of the second rotating shaft (420) is fixedly connected with the second cam (417), the other end of the second rotating shaft (420) extends into the third transmission cavity (419) to be fixedly connected with a third bevel gear (421), a third rotating shaft (422) is rotatably arranged between the third transmission cavity (419) and the driving cavity (510), a fourth bevel gear (423) meshed with the third bevel gear (421) is arranged at one end of the third rotating shaft (422), and the other end of the third rotating shaft (422) extends into the driving cavity (510) to be fixedly connected with a fifth bevel gear (424), and a sixth bevel gear (425) meshed with the fifth bevel gear (424) is fixedly arranged on the first rotating shaft (511).

7. The automatic roll-over marking device according to claim 6, characterized in that: the top of the operating platform (4) is provided with a processing groove (426), the bottom of the processing groove (426) is fixedly provided with a boss (427), the top of the boss (427) is provided with a containing groove (428), and the rotating block (407) is arranged in the containing groove (428).

8. The automatic roll-over marking device according to claim 1, characterized in that: the laser marking box (6) is located above the first feeding device (2), and the laser marking box (6) is fixed on the base (1) through a second supporting rod (10).