CN113695755A

CN113695755A - Laser device of carving characters that robot drove

Info

Publication number: CN113695755A
Application number: CN202111092267.4A
Authority: CN
Inventors: 刘海波; 陈琪; 朱伟
Original assignee: Shanghai Gude Intelligent Technology Co ltd
Current assignee: Shanghai Gude Intelligent Technology Co ltd
Priority date: 2021-09-17
Filing date: 2021-09-17
Publication date: 2021-11-26

Abstract

The invention discloses a laser lettering device driven by a robot, which belongs to the field of tire lettering equipment and comprises a conveying device and a mechanical arm, wherein a tire to be lettered is placed on the conveying device; the detection device comprises a code scanning machine and a 3D camera, lenses of the code scanning machine and the 3D camera are both vertically and downwards arranged, the lens of the code scanning machine scans the identification code on the surface of the tire to be engraved, and the 3D camera detects the thickness of the tire to be engraved. The invention can directly carve the characters on the tire without carrying out the carving operation of the mold in advance, thereby effectively simplifying the carving process of the tire and reducing the carving cost of the tire.

Description

Laser device of carving characters that robot drove

Technical Field

The invention relates to the technical field of tire lettering equipment, in particular to a laser lettering device driven by a robot.

Background

The automobile tire is one of important parts of an automobile, is directly contacted with a road surface, and is used for relieving the impact on the automobile during running together with an automobile suspension. The automobile tire is required to be engraved in the production and processing of the automobile tire, a special engraving mold is required in the traditional tire engraving processing process, and the engraving is carried out on the tire through the engraving mold in the vulcanization process of the tire.

The existing chinese patent publication No. CN113319371A discloses a tire mold carving machine, wherein a groove for accommodating a rotary worktable is arranged on a base; the rotary worktable is rotatably connected in the groove and is provided with a rotary working surface matched with the upper surface of the base, and the rotary worktable also comprises a first rotary power part for driving the rotary working surface to rotate; one end of the base is fixedly connected with a door-shaped upright post, a sliding plate is connected to the door-shaped upright post in a sliding mode through a horizontal sliding rail, a first linear motor is further arranged on the door-shaped upright post, a ram is connected to the sliding plate in a sliding mode through a vertical sliding rail, and a second linear motor is further arranged on the ram; the bottom of ram is equipped with the tool bit of carving characters, and the ram internal rotation is connected with the pivot that is used for connecting the tool bit of carving characters, still is equipped with the second rotary power spare that is used for driving pivot pivoted in the slide.

The above prior art has the following disadvantages: the tire mould carving machine needs to carve characters on the mould in advance, then carves characters on the tire in the vulcanization process by using the mould with carved characters, the whole process is complicated, the carving cost of the tire is increased, and the problem needs to be solved urgently.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide the laser lettering device driven by the robot, which has the effects of directly lettering tires without performing mould lettering operation in advance, effectively simplifying the lettering process of the tires and reducing the lettering cost of the tires.

A robot-driven laser lettering device comprises a conveying device and a mechanical arm, wherein a tire to be lettered is placed on the conveying device, the mechanical arm is arranged on one side of the conveying device, a mounting seat is connected to the mechanical arm, a laser generator is mounted on the mounting seat, and the laser generator emits laser to strike the surface of the tire;

the detection device comprises a code scanning machine and a 3D camera, lenses of the code scanning machine and the 3D camera are both vertically and downwards arranged, the lens of the code scanning machine scans the identification code on the surface of the tire to be engraved, and the 3D camera shoots the tire to be engraved.

The invention is further configured to: the mounting seat comprises a first connecting seat and a second connecting seat, the top wall of the first connecting seat is connected with the mechanical arm, the second connecting seat is connected to the first connecting seat and is far away from one side of the mechanical arm body, the code scanning machine is connected to the first connecting seat, the 3D camera and the laser generator are both installed on the second connecting seat, the second connecting seat is connected with a cooling sprayer, and a cooling liquid containing cavity is formed in the second connecting seat.

The invention is further configured to: the code scanning machine is provided with two code scanning lenses, the two code scanning lenses comprise a bar code scanning head and a two-dimensional code scanning head, and the bar code scanning head, the two-dimensional code scanning head and the 3D camera transmit data to the data center.

The invention is further configured to: the arm includes base, first linking arm, second linking arm and connector, first linking arm both ends link to each other through first joint between base and the second linking arm respectively, the second linking arm is kept away from first linking arm one end and is passed through the second joint with the connector and link to each other, be formed with the connecting plate on the connector, connecting plate and first connecting seat flange joint.

The invention is further configured to: the upper surfaces of two sides of the length direction of the conveying device are respectively provided with a plurality of conveying wheels, the conveying wheels are rotatably connected with the conveying device, the diameter of each conveying wheel is larger than the width of the top walls of the two sides of the length direction of the conveying device, and the conveying wheels are in contact with the side walls of the tire to be engraved.

The invention is further configured to: the conveying device is characterized in that an I-shaped beam is connected to one side, away from the mechanical arm, of the conveying device in the length direction, the top wall of the I-shaped beam is higher than the top wall of the other side of the conveying device, and the conveying wheels are uniformly distributed on the upper side and the lower side of the I-shaped beam along the same straight line.

The invention is further configured to: the light source is connected to the mounting table, a reflecting plate covers the lower surface of the first connecting seat, and the reflecting plate is detachably connected to the first connecting seat.

The invention is further configured to: the conveying device is characterized in that a supporting frame is connected around the conveying device, a protective door is arranged on one side, close to the mechanical arm, of the supporting frame, and a starting button and an indicating lamp are connected to the protective door.

The invention is further configured to: the light source upper surface sets up to the sphere arch, the mounting groove has been seted up on the mount table, the light source inlays in the mounting groove and fixes.

The invention is further configured to: the support frame is provided with a pull rope on one side of the conveying device, the support frame is provided with a hanging ring on the other side of the conveying device, and the pull rope is hung on the hanging ring in the machining state of the mechanical arm.

Placing the tire to be engraved on a conveying device, moving the tire to be engraved to a position close to a mechanical arm, rotating a first connecting arm and a second connecting arm of the mechanical arm through a first joint and a second joint to adjust the height of a mounting seat, according to the type of the identification code on the tyre to be engraved, the bar code scanning head or the two-dimensional code scanning head of the code scanner is aligned with the identification code, the identified tyre model is transmitted to a data center, then the 3D camera shoots the tire, the obtained tire thickness data is transmitted to a data center, the data center controls the mechanical arm to adjust the height of the mounting seat to a proper position again, the laser generator emits laser and carves needed characters on the surface of the tire, a method that characters are carved on a mold firstly and then are carved on the tire by the mold in the tire vulcanization process in the prior art is replaced, a processing step is omitted, and the cost for carving the characters on the tire is effectively reduced.

In conclusion, the invention has the following beneficial effects:

1. by arranging the conveying device, the mechanical arm, the laser generator and the detection device, the lettering processing can be directly carried out on the surface of the tire, the lettering step of a mold is omitted, and the production cost is effectively reduced;

2. the code scanner is provided with the bar code scanning head and the two-dimensional code scanning head, so that two identification codes on the surface of the tire can be identified, and the application range is wider;

3. through the setting of I-beam and transfer gear, can reduce frictional force when carrying on spacingly to the tire. The transportation of large-size tires is facilitated.

Drawings

FIG. 1 is a schematic structural view for embodying the entirety of the present invention;

FIG. 2 is a schematic structural view of the present invention for embodying various parts of the mounting base;

FIG. 3 is an enlarged view of portion A of FIG. 1 according to the present invention;

FIG. 4 is an enlarged view of portion B of FIG. 2 according to the present invention;

fig. 5 is a schematic structural diagram for showing the matching relationship between the light source and the mounting table in the present invention.

In the figure, 1, a conveying device; 11. an I-beam; 12. a transfer wheel; 13. an installation table; 131. a light source; 132. mounting grooves; 2. a mechanical arm; 21. a first connecting arm; 211. a first joint; 22. a second connecting arm; 221. a second joint; 23. a connecting plate; 24. a base; 25. a connector; 3. a mounting seat; 31. a first connecting seat; 32. a second connecting seat; 321. a cooling spray head; 322. a coolant containment chamber; 33. a reflector; 4. a detection device; 41. a code scanning machine; 411. a bar code scanning head; 412. a two-dimensional code scanning head; 42. a 3D camera; 5. a support frame; 51. a protective door; 52. a start button; 53. an indicator light; 54. pulling a rope; 55. hanging a ring; 6. a laser generator.

Detailed Description

The present invention is further described in detail below with reference to the attached drawings, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. In the present specification, the terms "upper", "lower", "left", "right" and "middle" are used for clarity of description, and are not intended to limit the scope of the present invention, and changes or modifications in the relative relationship may be made without substantial technical changes and modifications.

Example (b):

as shown in fig. 1 to 3, the laser lettering device driven by a robot designed in the invention comprises a conveying device 1 and a mechanical arm 2, wherein a tire to be lettered is placed on the conveying device 1, the mechanical arm 2 is arranged on one side of the conveying device 1 in the length direction, the mechanical arm 2 is connected with a mounting seat 3, a laser generator 6 is arranged on the mounting seat 3, and the laser generator 6 emits laser to strike the surface of the tire; the surface of the tire to be engraved is provided with an identification code, the mounting base 3 is connected with a detection device 4, the detection device 4 comprises a code scanning machine 41 and a 3D camera 42, lenses of the code scanning machine 41 and the 3D camera 42 are both vertically arranged downwards, the lens of the code scanning machine 41 scans the identification code on the surface of the tire to be engraved, and the 3D camera 42 shoots an image of the tire to be engraved.

As shown in fig. 1 and fig. 3, the conveyor 1 in this embodiment is composed of a plurality of unpowered conveyor rollers uniformly distributed, the upper surfaces of both sides of the conveyor 1 in the length direction are provided with a plurality of conveyor wheels 12, the conveyor wheels 12 are rotatably connected with the conveyor 1, the diameter of the conveyor wheels 12 is larger than the width of the top walls of both sides of the conveyor 1 in the length direction, and the conveyor wheels 12 are in contact with the side walls of the tire to be engraved. An I-beam 11 is connected to one side, far away from the mechanical arm 2, of the conveying device 1 in the length direction, the top wall of the I-beam 11 is higher than that of the other side of the conveying device 1, and the conveying wheels 12 are uniformly distributed on the upper side and the lower side of the I-beam 11 along the same straight line. In the process of conveying the tires, the tires are pushed to move above the unpowered conveying rollers, the tires can be limited by the arrangement of the I-shaped beam 11, and meanwhile, the friction force of two sides on the large-size tires can be reduced by the conveying wheel 12 on one side of the conveying device 1 and the I-shaped beam 11, so that the conveying process is smoother.

As shown in fig. 1 and 3, a support frame is connected around the transfer device 1, a protective door 51 is provided on one side of the support frame 5 close to the robot arm 2, and a start button 52 and an indicator lamp 53 are connected to the protective door 51. The support frame 5 is provided with a pull rope 54 at one side of the conveying device 1, the support frame 5 is provided with a hanging ring 55 at the other side of the conveying device 1, and the pull rope 54 is hung on the hanging ring 55 in the machining state of the mechanical arm 2. The arrangement of the protective door 51 can provide effective protection for the mechanical arm 2, and the mechanical arm 2 is not easy to be damaged due to human contact. The driving button is pressed down to switch on the power supply of each part, then the hook of the pull rope 54 is hung on the hanging ring 55, an effective prompting effect is achieved in the lettering processing process of the tire, and the damage caused by human is further avoided. The indicator lamp 53 increases the power-on state and the machining state of each part, and displays a green light in all normal states.

As shown in fig. 2 and 4, the mounting seat 3 includes a first connecting seat 31 and a second connecting seat 32, a top wall of the first connecting seat 31 is connected to the robot arm 2, the second connecting seat 32 is connected to a side of the first connecting seat 31 away from the robot arm 2, the code scanner 41 is connected to the first connecting seat 31, the 3D camera 42 and the laser generator 6 are both installed on the second connecting seat 32, the second connecting seat 32 is connected to a cooling nozzle 321, and a cooling liquid accommodating cavity 322 is formed in the second connecting seat 32. Fill the coolant liquid to coolant liquid and hold chamber 322 in, when laser generator 6 carries out the carving characters on the tire surface, cooling shower nozzle 321 sprays the coolant liquid in coolant liquid holds chamber 322 on the tire surface, can play good cooling effect to the process of carving characters normally goes on.

As shown in fig. 2 and 4, the code scanner 41 has two code scanning lenses including a barcode scanning head 411 and a two-dimensional code scanning head 412, and the barcode scanning head 411, the two-dimensional code scanning head 412, and the 3D camera 42 each transmit data to the data center. The mechanical arm 2 comprises a base 24, a first connecting arm 21, a second connecting arm 22 and a connector 25, two ends of the first connecting arm 21 are connected with the base 24 and the second connecting arm 22 through a first joint 211, one end, far away from the first connecting arm 21, of the second connecting arm 22 is connected with the connector 25 through a second joint 221, a connecting plate 23 is formed on the connector 25, the connecting plate 23 is in flange connection with the first connecting seat 31, and the connector 25 is controlled by the data center to ascend and descend. The arrangement of the bar code scanning head 411 and the two-dimensional code scanning head 412 enables identification of the bar code identification code and the two-dimensional identification code on the tire surface, substantially covering all tire identification code identification needs, thereby enabling lettering of almost all types of tires.

As shown in fig. 4 and 5, the mounting table 13 is arranged below the conveying device 1, the light source 131 is connected to the mounting table 13, the reflective plate 33 covers the lower surface of the first connecting seat 31, the reflective plate 33 is detachably connected to the first connecting seat 31, the reflective plate 33 is a stainless steel plate and is screwed on the first connecting seat through bolts in the embodiment, a good light reflecting effect is achieved, and the mounting and the dismounting are convenient. The upper surface of the light source 131 is provided with a spherical bulge, the spherical bulge is arranged so that light emitted by the light source 131 can be emitted towards all directions, the lighting effect is further improved, the identification effect of the code scanning machine 41 and the 3D camera 42 on tire information is improved, the mounting table 13 is provided with a mounting groove 132, and the light source 131 is embedded in the mounting groove 132 and is fixed. Light from the light source 131 passes through the conveyor 1 to illuminate the tire surface. Partial light rays are reflected downwards after being projected on the reflector, all parts of the tire are illuminated, and the recognition efficiency can be effectively improved when the 3D camera 42 and the code scanner 41 shoot and recognize the tire, so that the lettering efficiency is improved.

The implementation principle of the above embodiment is as follows: placing a tire to be engraved on a conveying device 1, moving the tire to be engraved to a position close to a mechanical arm 2, enabling a first connecting arm 21 and a second connecting arm 22 of the mechanical arm 2 to rotate through a first joint 211 and a second joint 221 to adjust the height of an installation seat 3, enabling a bar code scanning head 411 or a two-dimensional code scanning head 412 of a code scanner 41 to align an identification code according to the type of the identification code on the tire to be engraved, transmitting the identified tire model to a data center, then enabling a 3D camera 42 to shoot the tire, transmitting the obtained tire thickness data to the data center, controlling the mechanical arm 2 by the data center to adjust the height of the installation seat 3 to a proper position again, enabling a laser generator 6 to emit laser and engraving a required character sample on the surface of the tire, and replacing the method of firstly engraving characters on a mold and then engraving characters on the tire in the tire vulcanization process in the prior art, a processing step is omitted, and the lettering cost of the tire is effectively reduced.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides a laser device of carving characters that robot drove which characterized in that: the tire carving machine comprises a conveying device (1) and a mechanical arm (2), wherein a tire to be carved is placed on the conveying device (1), the mechanical arm (2) is arranged on one side of the conveying device (1) in the length direction, a mounting seat (3) is connected onto the mechanical arm (2), a laser generator (6) is mounted on the mounting seat (3), and laser emitted by the laser generator (6) is irradiated onto the surface of the tire;

the surface of the tire to be engraved is provided with an identification code, the mounting seat (3) is connected with a detection device (4), the detection device (4) comprises a code scanning machine (41) and a 3D camera (42), lenses of the code scanning machine (41) and the 3D camera (42) are vertically arranged downwards, the lens of the code scanning machine (41) scans the identification code on the surface of the tire to be engraved, and the 3D camera (42) shoots the tire to be engraved.

2. The laser lettering device driven by the robot as claimed in claim 1, wherein: mounting seat (3) include first connecting seat (31) and second connecting seat (32), first connecting seat (31) roof links to each other with arm (2), arm (2) main part one side is kept away from in first connecting seat (31) second connecting seat (32) connection, sweep ink recorder (41) and connect on first connecting seat (31), 3D camera (42) and laser generator (6) are all installed on second connecting seat (32), be connected with cooling shower nozzle (321) on second connecting seat (32), be formed with the coolant liquid in second connecting seat (32) and hold chamber (322).

3. The laser lettering device driven by the robot as claimed in claim 2, wherein: the code scanning machine (41) is provided with two code scanning lenses, the two code scanning lenses comprise a bar code scanning head (411) and a two-dimensional code scanning head (412), and the bar code scanning head (411), the two-dimensional code scanning head (412) and the 3D camera (42) all transmit data to a data center.

4. The laser lettering device driven by the robot as claimed in claim 3, wherein: arm (2) include base (24), first linking arm (21), second linking arm (22) and connector (25), first linking arm (21) both ends link to each other through first joint (211) between base (24) and second linking arm (22) respectively, second linking arm (22) are kept away from first linking arm (21) one end and are passed through second joint (221) with connector (25) and link to each other, be formed with connecting plate (23) on connector (25), connecting plate (23) and first connecting seat (31) flange joint.

5. The laser lettering device driven by the robot according to claim 1, wherein: the upper surfaces of two sides of the length direction of the conveying device (1) are provided with a plurality of conveying wheels (12), the conveying wheels (12) are rotatably connected with the conveying device (1), the diameter of each conveying wheel (12) is larger than the width of the top walls of two sides of the length direction of the conveying device (1), and the conveying wheels (12) are in contact with the side walls of the tire to be engraved.

6. The laser lettering device driven by the robot as claimed in claim 5, wherein: one side, far away from the mechanical arm (2), of the length direction of the conveying device (1) is connected with an I-beam (11), the top wall of the I-beam (11) is higher than the top wall of the other side of the conveying device (1), and the conveying wheels (12) are uniformly distributed on the upper side and the lower side of the I-beam (11) along the same straight line.

7. The laser lettering device driven by the robot as claimed in claim 2, wherein: conveyer (1) below is provided with mount table (13), be connected with light source (131) on mount table (13), first connecting seat (31) lower surface covers has reflector panel (33), reflector panel (33) can be dismantled and connect on first connecting seat (31).

8. The laser lettering device driven by the robot as claimed in claim 6, wherein: the conveying device is characterized in that a supporting frame (5) is connected to the periphery of the conveying device (1), a protective door (51) is arranged on one side, close to the mechanical arm (2), of the supporting frame (5), and a starting button (52) and an indicating lamp (53) are connected to the protective door (51).

9. The laser lettering device driven by the robot as claimed in claim 7, wherein: the upper surface of the light source (131) is arranged to be spherical convex, the mounting table (13) is provided with a mounting groove (132), and the light source (131) is embedded in the mounting groove (132) and fixed.

10. The laser lettering device driven by the robot as claimed in claim 8, wherein: a pull rope (54) is arranged on one side, located on the conveying device (1), of the supporting frame (5), a hanging ring (55) is arranged on the other side, located on the conveying device (1), of the supporting frame (5), and the pull rope (54) is hung on the hanging ring (55) in the machining state of the mechanical arm (2).