CN111070907B - Marking detection equipment - Google Patents
Marking detection equipment Download PDFInfo
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- CN111070907B CN111070907B CN202010010805.XA CN202010010805A CN111070907B CN 111070907 B CN111070907 B CN 111070907B CN 202010010805 A CN202010010805 A CN 202010010805A CN 111070907 B CN111070907 B CN 111070907B
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- light path
- detection
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/435—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material
- B41J2/475—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material for heating selectively by radiation or ultrasonic waves
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
- G06K7/10712—Fixed beam scanning
- G06K7/10722—Photodetector array or CCD scanning
Abstract
The invention provides a marking detection device, which comprises: a housing; the transmitting module is used for transmitting a laser beam so as to print the identification code on the workpiece through the laser beam; the detection module is used for acquiring detection light reflected by the workpiece so as to read and detect the identification code; the shell is provided with a first light path, a second light path and a third light path, wherein the first end of the first light path is communicated with the transmitting module, the first end of the second light path is communicated with the second end of the first light path, the first end of the third light path is communicated with the first end of the second light path, and the second end of the third light path is communicated with the detecting module; when the marking detection equipment is in a marking mode, the laser beam emitted by the emitting module is focused on a workpiece through a first light path and a second light path; when the marking detection device is in a detection mode, the detection light reflected by the workpiece enters the detection module through the second light path and the third light path. The invention solves the problem of low code reading efficiency of marking detection equipment in the prior art.
Description
Technical Field
The invention relates to the technical field of laser marking, in particular to marking detection equipment.
Background
With the development of industrial informatization technology, many industrial products adopt a laser marking device to mark an identification code on a specific position of a workpiece, and after marking is finished, a code reading device is required to check a two-dimensional code on the workpiece.
In the related technology, a laser marking device and a code reading device of marking detection equipment are respectively arranged at two positions, after a workpiece is marked at the laser marking device, the workpiece needs to be moved to the code reading device for code reading inspection, and the time required for moving the workpiece causes the code reading efficiency to be lower, so that the production efficiency of the workpiece is lower.
Disclosure of Invention
The invention mainly aims to provide marking detection equipment to solve the problem that code reading efficiency of marking detection equipment in the prior art is low.
In order to achieve the above object, the present invention provides a marking detection apparatus, including: a housing; the transmitting module is arranged in the shell and used for transmitting a laser beam so as to print the identification code on the workpiece through the laser beam; the detection module is arranged in the shell and used for acquiring detection light reflected by the workpiece so as to read and detect the identification code; the shell is provided with a first light path, a second light path and a third light path, wherein the first end of the first light path is communicated with the emission module, the first end of the second light path is communicated with the second end of the first light path, the second end of the second light path is arranged opposite to the workpiece, the first end of the third light path is communicated with the first end of the second light path, and the second end of the third light path is communicated with the detection module; when the marking detection equipment is in a marking mode, the laser beam emitted by the emitting module is focused on a workpiece through a first light path and a second light path; when the marking detection device is in a detection mode, the detection light reflected by the workpiece enters the detection module through the second light path and the third light path.
Further, the marking detection device further comprises: the optical lens is arranged at the communication position of the first light path, the second light path and the third light path, the optical lens is provided with a first surface and a second surface which are oppositely arranged, and the first surface is vertical to the first light path and the second light path; the second surface and the first light path, the second light path and the third light path are arranged in an included angle; when the laser beam in the first light path enters the optical lens through the first surface, the laser beam enters the second light path through the second surface; when the detection light located in the second light path is incident on the second surface, the detection light is reflected by the second surface into the third light path.
Further, the marking detection apparatus includes: the marking head is provided with a fourth light path and a fifth light path which are arranged between the second light path and the workpiece, and the fifth light path and the fourth light path are arranged at an included angle; the first end of the fourth light path is communicated with the second end of the second light path, the first end of the fifth light path is communicated with the second end of the fourth light path, and the second end of the fifth light path is arranged opposite to the workpiece; when the marking detection equipment is in a marking mode, a laser beam emitted by the emitting module sequentially passes through the first light path, the second light path, the fourth light path and the fifth light path to be focused on a workpiece; when the marking detection device is in a detection mode, the detection light reflected by the workpiece enters the detection module through the fifth light path, the fourth light path, the second light path and the third light path in sequence.
Furthermore, the marking head is a galvanometer scanning type marking head.
Furthermore, the shell is provided with a sixth light path, the sixth light path is communicated between the third light path and the detection module, and an included angle is formed between the sixth light path and the third light path; when the marking detection equipment is in a detection mode, detection light reflected by the workpiece enters the detection module through a fifth light path, a fourth light path, a second light path, a third light path and a sixth light path in sequence; the detection light is natural light.
Further, the marking detection device further comprises: and the reflecting lens is arranged in the shell and is positioned at the communication position of the third light path and the sixth light path so as to enable the third light path and the sixth light path to form an included angle.
Further, the mirror plate is swingably provided in the housing; the shell is provided with a mounting hole which is arranged opposite to the reflection lens; the marking detection device further comprises: the reflector adjusting piece is movably arranged at the mounting hole in a penetrating manner, one end of the reflector adjusting piece is connected with the reflector, and the other end of the reflector adjusting piece extends out of the shell to form an operating end; the operation end is used for driving the reflector adjusting piece to move relative to the shell and driving the reflector to swing relative to the shell so as to adjust the size of an included angle between the third light path and the sixth light path.
Furthermore, the mounting hole is a threaded hole, and the reflector adjusting piece is provided with a threaded structure matched with the mounting hole; and/or the adjusting scale is marked on the reflector adjusting piece.
Furthermore, the mounting hole is a plurality of, and the speculum piece regulating part is a plurality of, and a plurality of speculum piece regulating parts set up with a plurality of mounting holes one-to-one, and each speculum piece regulating part wears to establish in corresponding mounting hole.
Further, the marking detection apparatus includes: a laser including an emission module; the optical path turning module is connected with the laser, and the optical lens is arranged in the optical path turning module; the intelligent camera is connected with the light path turning module and comprises a detection module.
By applying the technical scheme of the invention, the marking detection equipment is controlled to be switched between the marking mode and the detection mode, one of the emitting module and the detection module is in a working state, and the laser beam and the detection light share the second light path, so that the identification code on the workpiece can be read and detected without moving the workpiece, the code reading efficiency of the marking detection equipment is improved, and the production efficiency of the workpiece is improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, 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 illustrates a schematic structural view of a marking inspection device in accordance with an alternative embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a portion of the marking detection apparatus of FIG. 1;
FIG. 3 is a schematic cross-sectional view of another angle of a portion of the marking inspection device of FIG. 1;
FIG. 4 is a schematic view of another angular configuration of the marking detection apparatus of FIG. 1;
fig. 5 shows an enlarged schematic view of the structure at a in fig. 4.
Wherein the figures include the following reference numerals:
1. a first optical path; 2. a second optical path; 3. a third optical path; 4. a fourth optical path; 5. a fifth optical path; 6. a sixth optical path; 10. a housing; 11. mounting holes; 20. a transmitting module; 30. a detection module; 40. an optical lens; 41. a first surface; 42. a second surface; 50. a mirror plate; 60. a mirror plate adjuster; 61. adjusting the scales; 100. a laser; 200. a light path direction changing module; 300. a smart camera; 400. and (5) marking a head.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides marking detection equipment, aiming at solving the problem that the code reading efficiency of the marking detection equipment in the prior art is low.
As shown in fig. 1 to 5, the marking detection apparatus includes a housing 10, an emission module 20 and a detection module 30, the emission module 20 is disposed in the housing 10, and the emission module 20 is used for emitting a laser beam to mark an identification code on a workpiece by the laser beam; the detection module 30 is arranged in the shell 10, and the detection module 30 is used for acquiring detection light reflected by the workpiece so as to perform code reading detection on the identification code; the housing 10 is provided with a first light path 1, a second light path 2 and a third light path 3, a first end of the first light path 1 is communicated with the emission module 20, a first end of the second light path 2 is communicated with a second end of the first light path 1, a second end of the second light path 2 is arranged opposite to the workpiece, a first end of the third light path 3 is communicated with a first end of the second light path 2, and a second end of the third light path 3 is communicated with the detection module 30; when the marking detection device is in a marking mode, a laser beam emitted by the emitting module 20 is focused on a workpiece through a first optical path 1 and a second optical path 2; when the marking inspection apparatus is in the inspection mode, the inspection light reflected by the workpiece enters the inspection module 30 through the second and third light paths 2 and 3.
In this embodiment, control and mark the check out test set and switch between marking mode and detection mode, make one in emission module 20 and detection module 30 be in operating condition, the laser beam with detect the light and share second light path 2 to need not to remove the work piece and can read the sign indicating number on the work piece and detect, and then be favorable to promoting marking check out test set's the sign indicating number efficiency of reading, promote the production efficiency of work piece.
As shown in fig. 2 and 3, the marking detection apparatus further includes an optical lens 40, the optical lens 40 is disposed at a communication position of the first optical path 1, the second optical path 2 and the third optical path 3, the optical lens 40 has a first surface 41 and a second surface 42 which are disposed oppositely, and the first surface 41 is perpendicular to both the first optical path 1 and the second optical path 2; the second surface 42 and the first light path 1, the second light path 2 and the third light path 3 are arranged at included angles; wherein, after the laser beam in the first optical path 1 enters the optical lens 40 through the first surface 41, the laser beam enters the second optical path 2 through the second surface 42; when the detection light located in the second light path 2 is incident on the second surface 42, the detection light is reflected by the second surface 42 into the third light path 3. Thus, when the marking detection device is in the marking mode, the laser beam emitted by the emitting module 20 passes through the optical lens 40 and then is printed on the workpiece, so that the identification code is printed on the workpiece; when the marking detection device is in the detection mode, the detection light enters the detection module 30 under the reflection action of the optical lens 40, and the identification code is read and detected by the detection module 30. Through the setting of optical lens 40, avoid removing the work piece to be favorable to promoting the code reading efficiency of marking check out test set, promote the production efficiency of work piece.
As shown in fig. 1, the marking detection device includes a marking head 400, the marking head 400 has a fourth optical path 4 and a fifth optical path 5 arranged between the second optical path 2 and the workpiece, and the fifth optical path 5 and the fourth optical path 4 are arranged at an included angle; a first end of a fourth light path 4 is communicated with a second end of the second light path 2, a first end of a fifth light path 5 is communicated with a second end of the fourth light path 4, and a second end of the fifth light path 5 is arranged opposite to the workpiece; when the marking detection equipment is in a marking mode, a laser beam emitted by the emitting module 20 sequentially passes through the first light path 1, the second light path 2, the fourth light path 4 and the fifth light path 5 to be focused on a workpiece; when the marking detection device is in the detection mode, the detection light reflected by the workpiece sequentially passes through the fifth light path 5, the fourth light path 4, the second light path 2 and the third light path 3 and enters the detection module 30. Thus, the laser beam changes its direction under the action of the marking head 400, so that the laser beam is marked on the workpiece.
Optionally, the heading head 400 is a galvanometer scanning heading head. Thus, the identification code is printed on the workpiece by using the galvanometer scanning type marking head.
As shown in fig. 3, the housing 10 has a sixth light path 6, the sixth light path 6 is communicated between the third light path 3 and the detection module 30, and the sixth light path 6 and the third light path 3 form an included angle; when the marking detection device is in a detection mode, detection light reflected by a workpiece sequentially passes through a fifth light path 5, a fourth light path 4, a second light path 2, a third light path 3 and a sixth light path 6 and enters a detection module 30; the detection light is natural light. Thus, the position of the detection module 30 can be flexibly set by optimizing the optical path.
As shown in fig. 2 and 3, the marking detection device further includes a reflective mirror 50, and the reflective mirror 50 is disposed in the housing 10 and located at a communication position between the third optical path 3 and the sixth optical path 6, so that the third optical path 3 and the sixth optical path 6 form an included angle. In this way, the direction of the detection light is changed by the reflecting mirror 50, and the detection light enters the detection module 30 after passing through the third optical path 3 and the sixth optical path 6.
Alternatively, the first optical path 1 is located between the emission module 20 and the optical lens 40, the second optical path 2 is located on a side of the optical lens 40 away from the emission module 20, and the third optical path 3 is located between the optical lens 40 and the reflective lens 50.
As shown in fig. 2 and 3, the mirror plate 50 is swingably provided in the housing 10; the shell 10 is provided with a mounting hole 11 opposite to the reflection lens 50; the marking detection equipment further comprises a reflector adjusting piece 60, the reflector adjusting piece 60 is movably arranged at the mounting hole 11 in a penetrating mode, one end of the reflector adjusting piece 60 is connected with the reflector 50, and the other end of the reflector adjusting piece 60 extends out of the shell 10 to form an operation end; the operation end is used for driving the mirror adjusting piece 60 to move relative to the housing 10 and driving the mirror 50 to swing relative to the housing 10, so as to adjust the size of the included angle between the third light path 3 and the sixth light path 6. In this way, the position of the mirror 50 is adjusted by the mirror adjuster 60, and the direction of the sixth optical path 6 is adjusted.
As shown in fig. 3, the mounting hole 11 is a threaded hole, and the mirror plate adjuster 60 has a threaded structure that is engaged with the mounting hole 11. Thus, the position of the mirror plate 50 is adjusted by rotating the mirror plate adjuster 60.
As shown in fig. 4 and 5, the mirror plate adjuster 60 is marked with an adjustment scale 61. In this way, the placement position of the mirror plate 50 can be visually observed by adjusting the scale 61.
As shown in fig. 4, there are a plurality of mounting holes 11, a plurality of mirror plate adjusters 60, and a plurality of mirror plate adjusters 60 are provided in one-to-one correspondence with the plurality of mounting holes 11, and each mirror plate adjuster 60 is inserted into the corresponding mounting hole 11. In this way, the placement position of the mirror plate 50 is adjusted more precisely by the plurality of mirror plate adjusters 60.
As shown in fig. 1, the marking detection device includes a laser 100, a light path turning module 200 and an intelligent camera 300, the laser 100 includes an emitting module 20, the light path turning module 200 is connected to the laser 100, an optical lens 40 is disposed in the light path turning module 200, the intelligent camera 300 is connected to the light path turning module 200, and the intelligent camera 300 includes a detection module 30. In this way, the laser 100 emits a laser beam, the optical path of the detection light is changed by the optical path direction changing module 200, and the identification code is detected by the smart camera 300.
In specific implementation, a marking device in the related art is modified, and the optical path direction changing module 200 and the smart camera 300 are added between the laser 100 and the marking head 400, so that marking and detection are realized.
Optionally, the smart camera 300 comprises an image acquisition unit, an image processing unit, image processing software and a network communication device.
The application provides a mark check out test set adopts coaxial mark of beating, reads the scheme that the sign indicating number detected, and on the light path between the export of laser instrument 100 and the scanning galvanometer, increase the vision and read a sign indicating number imaging mechanism, arrange through the light path, make laser and vision read a light path of sign indicating number formation of image sharing, practice thrift the action time that removes to reading the sign indicating number position behind the work piece laser marking to be favorable to promoting and read a sign indicating number efficiency, promote the production efficiency of work piece.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A marking inspection device, comprising:
a housing (10);
an emitting module (20), the emitting module (20) being disposed within the housing (10), the emitting module (20) being configured to emit a laser beam to impinge an identification code on a workpiece via the laser beam;
the detection module (30), the detection module (30) is arranged in the shell (10), and the detection module (30) is used for acquiring detection light reflected by the workpiece so as to perform code reading detection on the identification code;
the housing (10) is provided with a first light path (1), a second light path (2) and a third light path (3), wherein a first end of the first light path (1) is communicated with the emission module (20), a first end of the second light path (2) is communicated with a second end of the first light path (1), a second end of the second light path (2) is arranged opposite to the workpiece, a first end of the third light path (3) is communicated with a first end of the second light path (2), and a second end of the third light path (3) is communicated with the detection module (30);
when the marking detection device is in a marking mode, the laser beam emitted by the emission module (20) is focused on the workpiece through the first optical path (1) and the second optical path (2); when the marking detection device is in a detection mode, the detection light reflected by the workpiece enters the detection module (30) through the second light path (2) and the third light path (3);
the marking detection device includes: the marking head (400) is provided with a fourth light path (4) and a fifth light path (5) which are arranged between the second light path (2) and the workpiece, and an included angle is formed between the fifth light path (5) and the fourth light path (4); a first end of the fourth light path (4) is communicated with a second end of the second light path (2), a first end of the fifth light path (5) is communicated with a second end of the fourth light path (4), and a second end of the fifth light path (5) is arranged opposite to the workpiece; when the marking detection device is in the marking mode, the laser beam emitted by the emitting module (20) sequentially passes through the first light path (1), the second light path (2), the fourth light path (4) and the fifth light path (5) and is focused on the workpiece; when the marking detection device is in a detection mode, the detection light reflected by the workpiece enters the detection module (30) through the fifth light path (5), the fourth light path (4), the second light path (2) and the third light path (3) in sequence;
the shell (10) is provided with a sixth light path (6), the sixth light path (6) is communicated between the third light path (3) and the detection module (30), and the sixth light path (6) and the third light path (3) are arranged in an included angle; when the marking detection device is in a detection mode, the detection light reflected by the workpiece enters the detection module (30) through the fifth light path (5), the fourth light path (4), the second light path (2), the third light path (3) and the sixth light path (6) in sequence; the detection light is natural light;
the marking detection apparatus further includes: the reflection lens (50) is arranged in the shell (10) and is positioned at the communication position of the third light path (3) and the sixth light path (6), so that an included angle is formed between the third light path (3) and the sixth light path (6);
the mirror (50) is arranged in the housing (10) in a pivotable manner.
2. The marking inspection device of claim 1, further comprising:
an optical lens (40), the optical lens (40) being disposed at a communication of the first light path (1), the second light path (2) and the third light path (3), the optical lens (40) having a first surface (41) and a second surface (42) disposed opposite each other, the first surface (41) being perpendicular to both the first light path (1) and the second light path (2); the second surface (42) and the first light path (1), the second light path (2) and the third light path (3) are arranged in an included angle;
wherein, after a laser beam located in the first optical path (1) enters the optical lens (40) through the first surface (41), the laser beam enters the second optical path (2) through the second surface (42); when detection light located within the second light path (2) impinges on the second surface (42), the detection light is reflected by the second surface (42) into the third light path (3).
3. Marking detection device according to claim 1, characterized in that the marking head (400) is a galvanometer-scanning marking head.
4. The marking detection device as claimed in claim 1, wherein the housing (10) is provided with a mounting hole (11) opposite to the reflection lens (50); the marking detection apparatus further includes:
the reflector adjusting piece (60) is movably arranged at the mounting hole (11) in a penetrating mode, one end of the reflector adjusting piece (60) is connected with the reflector (50), and the other end of the reflector adjusting piece (60) extends out of the shell (10) to form an operation end; the operation end is used for driving the reflector adjusting piece (60) to move relative to the shell (10) and driving the reflector (50) to swing relative to the shell (10) so as to adjust the size of an included angle between the third light path (3) and the sixth light path (6).
5. Marking detection apparatus as claimed in claim 4,
the mounting hole (11) is a threaded hole, and the reflector adjusting piece (60) is provided with a threaded structure matched with the mounting hole (11); and/or
The adjusting scale (61) is marked on the reflector adjusting piece (60).
6. Marking detection apparatus as claimed in claim 4,
the mounting holes (11) are multiple, the reflector plate adjusting pieces (60) and the mounting holes (11) are arranged in a one-to-one correspondence mode, and the reflector plate adjusting pieces (60) penetrate through the corresponding mounting holes (11).
7. The marking inspection device of claim 2, wherein the marking inspection device comprises:
a laser (100), the laser (100) comprising the emitting module (20);
the optical path direction changing module (200), the optical path direction changing module (200) is connected with the laser (100), and the optical lens (40) is arranged in the optical path direction changing module (200);
a smart camera (300), the smart camera (300) being connected to the optical path redirection module (200), the smart camera (300) comprising the detection module (30).
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| CN202010010805.XA CN111070907B (en) | 2020-01-06 | 2020-01-06 | Marking detection equipment |
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| CN202010010805.XA CN111070907B (en) | 2020-01-06 | 2020-01-06 | Marking detection equipment |
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