CN115008021A - Full-automatic laser coding device and method for prebaked anode carbon blocks - Google Patents

Abstract

The invention relates to the technical field of coding equipment, in particular to a full-automatic laser coding device for prebaked anode carbon blocks, which comprises a roller conveying line for conveying anode carbon blocks and a laser coding machine for coding the anode carbon blocks, wherein the laser coding machine is arranged above the roller conveying line and comprises a rack, a three-coordinate mechanical arm arranged on the rack in a sliding manner and a laser linked with the three-coordinate mechanical arm and corresponding to the roller conveying line. The invention realizes the on-line real-time coding of the anode carbon blocks, the codes of each anode carbon block are determined and unique, the coding efficiency is high, the speed is high, the data is uploaded to MES in real time for tracing binding, and the basic conditions of the tracing management of the anode carbon blocks are really met. In addition, the invention also discloses a full-automatic laser coding method for the prebaked anode carbon block.

Description

Full-automatic laser coding device and method for prebaked anode carbon blocks

Technical Field

The invention relates to the technical field of coding equipment, in particular to a fully-automatic laser coding device and method for prebaked anode carbon blocks.

Background

Pre-baked anode carbon blocks (hereinafter referred to as anode carbon blocks) for aluminum electrolysis pass through a plurality of production processes from raw materials such as coal tar pitch, petroleum coke and the like to finished products, and the processing data of each process has a crucial influence on the quality of the anode carbon blocks.

At present, when an anode carbon block is molded, the anode carbon block is marked by a template which is placed in a mold in advance by workers and represents information of shift and the like or by printing marks on the surface of the molded carbon block by using paint and the like, parameter data of each production process is recorded and associated with the marks, and the production information of the anode carbon block product is traced by searching the marks. In order not to affect the production efficiency, the existing marks are marked according to batches, namely, the anode carbon blocks in the same batch are marked with the same marks. However, in actual production, the production parameters of each carbon block are not completely the same, so that a single anode carbon block cannot be traced, and only batch tracing can be performed.

Disclosure of Invention

One of the objects of the present invention is: aiming at the defects of the prior art, the full-automatic laser coding device for the prebaked anode carbon blocks is provided, and the device can trace each anode carbon block, reduce the workload of workers, improve the production efficiency and reduce the management cost.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a full-automatic laser coding device of prebaked anode carbon block, is including the roller transfer chain that is used for carrying the anode carbon block and the laser coding machine of beating the sign indicating number to the anode carbon block, laser coding machine set up in the top of roller transfer chain, laser coding machine include the frame, slide set up in the three-dimensional manipulator of frame and with the linkage of three-dimensional manipulator and corresponding the laser instrument of roller transfer chain. The invention realizes the on-line real-time coding of the anode carbon blocks, the codes of each anode carbon block are determined and unique, the coding efficiency is high, the speed is high, the data is uploaded to MES in real time for tracing binding, and the basic conditions of the tracing management of the anode carbon blocks are really met.

As an improvement of the full-automatic laser coding device for the prebaked anode carbon blocks, the laser coding machine further comprises a control cabinet for controlling the three-coordinate manipulator to move.

As an improvement of the full-automatic laser coding device for the prebaked anode carbon blocks, the laser coding machine further comprises an air draft mechanism arranged at the top of the rack.

As an improvement of the full-automatic laser coding device for the prebaked anode carbon block, the roller conveying line comprises a fixing frame, driving mechanisms arranged at two ends of the fixing frame, a roller arranged on the fixing frame in a rolling manner and connected with the driving mechanisms, an encoder arranged at the axle center of the roller, handrails arranged at two sides of the fixing frame, a photoelectric correlation sensor arranged above the roller and fixed on the handrails, and a linear laser sensor positioned at the inlet of the laser coding machine, wherein the encoder, the photoelectric correlation sensor and the linear laser sensor are all electrically connected with the control cabinet.

The invention also aims to provide a full-automatic laser coding method for prebaked anode carbon blocks, which comprises the following steps:

step 1, placing the anode carbon blocks on a roller conveying line, and enabling the anode carbon blocks to move forwards at a constant speed on the roller conveying line after the anode carbon blocks enter a laser coding machine;

step 2, when the photoelectric correlation sensor senses the anode carbon block, starting a linear laser sensor to start scanning;

step 3, after the photoelectric correlation sensor senses that the anode carbon blocks are in place, and when the anode carbon blocks are considered to be completely scanned, the line laser sensor is closed, the roller conveying line stops working, and meanwhile, image synthesis is started and the center position coordinates of all carbon bowls are calculated;

step 4, the system calculates the marking position and the offset angle of the current anode carbon block according to the carbon bowl coordinates obtained in the step 3, and then sends the marking position and offset angle data to a three-coordinate manipulator;

and 5, the three-coordinate manipulator in the step 4 drives the laser to move to a target position, the laser is started to print codes, the three-coordinate manipulator returns to the original position after the codes are printed, meanwhile, the roller conveying line is started to move forwards, and the circulation of the step 1 is continued.

The specific algorithm for calculating the marking position and the offset angle of the current anode carbon block in the step 4 is as follows:

the method comprises the following steps of 1, after a line laser sensor scans the surface of a carbon block, obtaining a gray image, and calculating space coordinates (x/y/z) of circle centers of all carbon bowls in the image;

algorithm 2, software connects the center coordinates of two adjacent carbon bowls into a straight line, takes the midpoint position, and calculates the space coordinate (x/y/z)

And 3, symmetrically generating a rectangular area on a plane formed by x/y coordinates by using the space coordinates of the middle point, wherein the rectangular area is the area of the laser coding.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of example 1 of the present invention;

fig. 2 is a second schematic structural diagram of embodiment 1 of the present invention.

Fig. 3 is a third schematic structural diagram of embodiment 1 of the present invention.

Fig. 4 is a schematic view of a coding region of the anode carbon block in example 2 of the present invention.

Detailed Description

As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, within which a person skilled in the art can solve the technical problem to substantially achieve the technical result.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", horizontal ", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The present invention will be described in further detail below with reference to the accompanying drawings, but the present invention is not limited thereto.

Example 1

As shown in fig. 1-3, a full-automatic laser coding device for prebaked anode carbon blocks comprises a roller conveyor line 1 for conveying anode carbon blocks 100 and a laser coding machine 2 for coding the anode carbon blocks 100, wherein the laser coding machine 2 is arranged above the roller conveyor line 1, the laser coding machine 2 comprises a rack 21, a three-dimensional manipulator 22 arranged on the rack 21 in a sliding manner, and a laser 23 linked with the three-dimensional manipulator 22 and corresponding to the roller conveyor line 1.

Preferably, the laser coding machine 2 further comprises a control cabinet 24 for controlling the movement of the three-coordinate manipulator 22.

Preferably, the laser coding machine 2 further comprises an air draft mechanism 25 arranged at the top of the frame 21, so that the flying dust of the laser coding machine 2 can be extracted.

Roller transfer chain 1 includes mount 11, set up in the actuating mechanism 12 at mount 11 both ends, roll and set up in mount 11 and the roller 13 of being connected with actuating mechanism 12, set up in the encoder 14 of roller 13 axle center, set up in the handrail 15 of mount 11 both sides, set up in roller 13 top and be fixed in the photoelectricity correlation sensor 16 of handrail 15 and be located the line laser sensor 17 of laser coding machine 2 entry, encoder 14, photoelectricity correlation sensor 16 and line laser sensor 17 all are connected with switch board 24 electricity, line laser sensor 17 scans according to the pulse signal that encoder 14 provided, a pulse signal scans once.

Example 2

As shown in fig. 1-4, a fully automatic laser coding method for prebaked anode carbon blocks comprises the following steps:

step 1, placing an anode carbon block 100 on a roller conveying line 1, and enabling the anode carbon block 100 to move forwards at a constant speed on the roller conveying line 1 after the anode carbon block 100 enters a laser coding machine 2;

step 2, when the photoelectric correlation sensor 16 senses the anode carbon block 100, starting the line laser sensor 17 to start scanning;

step 3, after the photoelectric correlation sensor 16 senses that the anode carbon blocks 100 are in place, and when the anode carbon blocks 100 are considered to be completely scanned, closing the line laser sensor 17, stopping the operation of the roller conveyor line 1, and simultaneously starting image synthesis and calculating the coordinates of the center positions of all carbon bowls;

step 4, the system calculates the marking position and the offset angle of the current anode carbon block 100 according to the carbon bowl coordinates obtained in the step 3, and then sends the marking position and offset angle data to the three-coordinate manipulator 22;

and 5, the three-coordinate manipulator 22 in the step 4 drives the laser 23 to move to the target position, the laser 23 is started to print codes, after the codes are printed, the three-coordinate manipulator 22 returns to the original position, meanwhile, the roller conveying line 1 is started to move forwards, and the step 1 is continued to circulate.

The specific algorithm for calculating the marking position and the offset angle of the current anode carbon block 100 in the step 4 is as follows:

in the algorithm 1, after scanning the surface of a carbon block, a line laser sensor 17 acquires a gray image, and calculates the space coordinates (x/y/z) of the circle centers of all carbon bowls in the image;

algorithm 2, software connects the center coordinates of two adjacent carbon bowls into a straight line, takes the midpoint position, and calculates the space coordinate (x/y/z)

Algorithm 3, a rectangular area is generated symmetrically on the plane formed by the x/y coordinates with the spatial coordinates of the midpoint, which is the laser-coded area 30.

The foregoing description shows and describes several preferred embodiments of the invention, but as aforementioned, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (6)

1. A prebaked anode carbon block full-automatic laser coding device is characterized in that: the laser coding machine comprises a roller conveying line for conveying anode carbon blocks and a laser coding machine for coding the anode carbon blocks, wherein the laser coding machine is arranged above the roller conveying line and comprises a rack, a three-coordinate mechanical arm arranged on the rack in a sliding mode and a laser device linked with the three-coordinate mechanical arm and corresponding to the roller conveying line.

2. The fully-automatic laser coding device for the prebaked anode carbon blocks as claimed in claim 1, wherein: the laser coding machine further comprises a control cabinet used for controlling the three-coordinate manipulator to move.

3. The fully-automatic laser coding device for the prebaked anode carbon blocks according to claim 1, characterized in that: the laser coding machine further comprises an air draft mechanism arranged at the top of the rack.

4. The fully-automatic laser coding device for the prebaked anode carbon blocks according to claim 2, characterized in that: the roller transfer chain includes the mount, set up in actuating mechanism, the roll at mount both ends set up in the mount and with the roller that actuating mechanism connects, set up in the encoder in roller axle center, set up in the handrail of mount both sides, set up in the roller top just is fixed in the photoelectricity correlation sensor of handrail and be located the line laser sensor of laser coding machine entry, the encoder the photoelectricity correlation sensor with line laser sensor all with the switch board electricity is connected.

5. A full-automatic laser coding method for prebaked anode carbon blocks is characterized by comprising the following steps:

step 1, placing the anode carbon blocks on a roller conveying line, and enabling the anode carbon blocks to move forwards at a constant speed on the roller conveying line after the anode carbon blocks enter a laser coding machine;

step 2, when the photoelectric correlation sensor senses the anode carbon block, starting a linear laser sensor to start scanning;

step 3, after the photoelectric correlation sensor senses that the anode carbon blocks are in place, and when the anode carbon blocks are considered to be completely scanned, closing the line laser sensor, stopping the work of the roller conveying line, and simultaneously starting image synthesis and calculating the center position coordinates of all carbon bowls;

step 4, the system calculates the marking position and the offset angle of the current anode carbon block according to the carbon bowl coordinates obtained in the step 3, and then sends the marking position and offset angle data to a three-coordinate manipulator;

and 5, the three-coordinate mechanical arm in the step 4 drives the laser to move to a target position, the laser is started to print codes, the three-coordinate mechanical arm returns to the original point position after the codes are printed, meanwhile, the roller conveying line is started to move forwards, and the circulation of the step 1 is continued.

6. The fully-automatic laser coding method for the prebaked anode carbon blocks as claimed in claim 5, wherein the specific algorithm for calculating the marking positions and offset angles of the current anode carbon blocks in the step 4 is as follows:

the method comprises the following steps that 1, after a line laser sensor scans the surface of a carbon block, a gray image is obtained, and the space coordinates (x/y/z) of the circle centers of all carbon bowls in the image are calculated;

algorithm 2, software connects the center coordinates of two adjacent carbon bowls into a straight line, takes the midpoint position, and calculates the space coordinate (x/y/z)

And 3, symmetrically generating a rectangular area on a plane formed by x/y coordinates by using the space coordinates of the middle point, wherein the rectangular area is the area of the laser coding.

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