CN111308694B - Laser scanning system capable of adaptively adjusting distance and automatic distance adjusting method - Google Patents
Laser scanning system capable of adaptively adjusting distance and automatic distance adjusting method Download PDFInfo
- Publication number
- CN111308694B CN111308694B CN202010251457.5A CN202010251457A CN111308694B CN 111308694 B CN111308694 B CN 111308694B CN 202010251457 A CN202010251457 A CN 202010251457A CN 111308694 B CN111308694 B CN 111308694B
- Authority
- CN
- China
- Prior art keywords
- laser scanning
- proximity switch
- distance
- laser
- adjusting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/10—Scanning systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/0035—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by radiant energy, e.g. UV, laser, light beam or the like
- B08B7/0042—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by radiant energy, e.g. UV, laser, light beam or the like by laser
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/14—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses a laser scanning system capable of adaptively adjusting distance and an automatic distance adjusting method. The laser scanning system capable of adaptively adjusting the distance and the automatic distance adjusting method adopting the technical scheme are ingenious in design and easy to realize, the problem that the rust removing efficiency of the traditional laser scanning system is accelerated and reduced along with the increase of single operation time is solved on the premise that the manufacturing cost and the assembly difficulty are hardly increased or extremely increased, the rust removing efficiency is high, the stability and the reliability are extremely high, the single operation time of the laser scanning system is greatly improved, the maintenance period of the laser scanning system is prolonged, and meanwhile, the response is sensitive, and the stability and the reliability are high.
Description
Technical Field
The invention relates to the technical field of laser systems, in particular to a laser scanning system capable of adaptively adjusting distance and an automatic distance adjusting method.
Background
The method for derusting by using laser scanning has the following advantages: 1. no waste is produced, zero emission and no pollution are caused; 2. consumable materials are not used, so that the cost is reduced; 3. the laser beam uniformly scans and ablates, and the damage to the matrix is little. Therefore, compared with the traditional manual polishing rust removal, mechanical polishing rust removal, high-pressure water rust removal, sand blasting rust removal and other methods, laser rust removal is the most economical, environment-friendly and reliable rust removal method at present.
In order to ensure the laser derusting efficiency, the distance between the laser head and the target to be scanned needs to be controlled within the range of effective focal length, and the laser beam cannot ablate the surface of the target to be scanned effectively (or efficiently) no matter the distance is too large or too small.
Therefore, a laser head has appeared in the market, has the self-adaptation function of zooming, can real-time supervision with scanned the interval between the target, adjust the focus of laser beam adaptively, but this kind of laser head price and high, the economic nature is not good enough, and many little enterprises are difficult to bear.
Therefore, a laser scanning system is generated in the market, and the laser head is a focal length, so that the laser scanning system is low in cost, stable and reliable. The laser scanning system is characterized in that the laser head is arranged on a set of two-dimensional module or three-dimensional module or even a multi-dimensional module, an electronic element (such as a distance sensor) for detecting the distance between the laser head and a scanned object is arranged on the laser head, and the space position of the laser head is adjusted in real time by utilizing a signal control module fed back by the electronic element so as to ensure that the distance between the laser head and the object to be scanned is controlled within the range of an effective focal length.
Although the price of the laser scanning system is relatively cheap, the applicant finds that certain dust can still be generated in the process of scanning and ablating the target surface by the laser beam in the long-term use process, and even if the dust removing system is configured, once the traditional laser scanning system is operated for a long time, the dust can be attached to the surface of an electronic element for distance measurement, the precision and the working stability of the electronic element are affected, the high temperature generated by long-time working of the laser head can seriously affect the working stability and the working reliability of the electronic element, and the rust removing efficiency is accelerated to be reduced along with the increase of the single operation time.
Solving the above problems is urgent.
Disclosure of Invention
In order to solve the technical problems, the invention provides a laser scanning system capable of adaptively adjusting the distance and an automatic distance adjusting method.
The technical scheme is as follows:
the utility model provides a laser scanning system that can self-adaptation adjustment distance, includes laser scanning head and is used for changing laser head position adjustment mechanism of laser scanning head position, its main points lie in: the laser scanning head is installed on the laser head position adjusting mechanism through a distance detection control mechanism, the distance detection control mechanism comprises a mechanical distance detection assembly and an electronic start-stop control assembly, the mechanical distance detection assembly is used for driving the distance between the laser scanning head and a target to be scanned to be kept at a set value or a set range, and the electronic start-stop control assembly is used for controlling the laser head position adjusting mechanism to adjust the front position and the rear position of the laser scanning head.
By adopting the structure, the mechanical distance detection component is arranged near or on the laser scanning head which can generate high heat, and is closest to a target to be scanned which can generate dust, and the mechanical distance detection component is of a purely mechanical structure, so that the mechanical distance detection component can resist high temperature and is not influenced by the dust; in addition, the electronic start-stop control assembly adopting the electronic element can be arranged at a position relatively far away from the laser scanning head and the target to be scanned, so that the influence of high temperature and dust can be avoided, and the high precision of the electronic element can be maintained; therefore, the invention solves the problem that the rust removing efficiency of the traditional laser scanning system can be accelerated to be reduced along with the increase of single operation time on the premise of hardly increasing or extremely increasing the manufacturing cost and the assembly difficulty, has high rust removing efficiency and extremely high stability and reliability, greatly improves the single operation time of the laser scanning system, and prolongs the maintenance period of the laser scanning system.
As preferable: the mechanical distance detection assembly comprises a holding assembly base arranged on the laser head position adjusting mechanism, a middle support arranged on the holding assembly base in a back-and-forth moving mode and a laser head mounting frame arranged on the middle support in a rotating mode along the horizontal direction, at least one elastic element used for driving the middle support to reset forward is arranged between the holding assembly base and the middle support, the laser scanning head is arranged on the laser head mounting frame, and at least two distance detection rods extending forward are arranged on the laser head mounting frame. By adopting the structure, whether the distance between the laser scanning head and the target to be scanned is within a set range can be accurately detected, the distance between the laser scanning head and the target to be scanned can be driven to be kept within the set range within a certain range, and when the curvature radius of the surface of the target to be scanned changes, the laser scanning head can rotate relative to the middle support along with the laser head mounting frame so as to compensate, the outer ends of the distance detection rods are always in contact with the surface of the target to be scanned, and the distance between the laser scanning head and the target to be scanned is always kept within a focal length range so as to continuously and efficiently ablate the surface of the target to be scanned; the whole set of mechanism is ingenious in matching, simple and reliable.
As preferable: the distance detection rod comprises a detection rod main body extending forwards and a detection rod contact which can be installed at the front end of the detection rod main body in a front-back telescopic adjustment mode. By adopting the structure, the length of the distance detection rod can be adaptively adjusted according to the focal length of the laser scanning head, so that the universality is good, and the laser scanning system can replace the proper laser scanning head according to actual conditions.
As preferable: the front end of the detection rod main body is provided with a rotatable nut, the detection rod contact is of a screw structure, the detection rod main body is of a cylindrical structure which is adaptive to the detection rod contact, and the rear end of the detection rod contact is inserted into the detection rod main body and forms a screw-nut pair with the nut. By adopting the structure, the device has simple and reliable structure and high adjustment precision, and can lock the screw-nut pair after the focal point is determined by the laser scanning diagram, thereby ensuring the length of the distance detection rod unchanged.
As preferable: and the front end of the detection rod contact is provided with a universal ball. By adopting the structure, the scanning device can be better suitable for the uneven surface of the target to be scanned, and can be used for preventing the problems of jamming, incomplete contact and the like.
As preferable: the base of the holding component is provided with at least one base translation guide rod, the middle support is provided with support sliding blocks which can be sleeved on the corresponding base translation guide rods in a front-back sliding manner, and each elastic element is respectively used for driving the corresponding support sliding blocks to slide forwards. The structure is simple and reliable, and the cooperation is stable.
As preferable: the electronic start-stop control assembly comprises a front proximity switch and a rear proximity switch which are arranged on the base of the holding assembly along the front-rear direction, and the front proximity switch and the rear proximity switch can be triggered by corresponding support sliding blocks. By adopting the structure, the front proximity switch and the rear proximity switch can be triggered by the same support sliding block, and also can be triggered by the corresponding support sliding blocks, so that the flexibility is high, the proximity switch is not affected by dust, and the high-temperature resistance is excellent.
As preferable: the laser head position adjusting mechanism at least comprises a front-back adjusting executing assembly, the front-back adjusting executing assembly comprises a front-back adjusting base, at least one guide sleeve arranged on the front-back adjusting base and a front-back adjusting guide rod capable of sliding along the corresponding guide sleeve, the distance detection control mechanism is arranged at the front end of the front-back adjusting guide rod, the rear end of the front-back adjusting guide rod is provided with a front-back executing motor through a motor bracket, a synchronous belt driving wheel is fixedly sleeved on a motor shaft of the front-back executing motor, a synchronous belt driven wheel is arranged on the distance detection control mechanism, a synchronous belt is connected between the synchronous belt driven wheel and the synchronous belt driving wheel, and the synchronous belt is fixedly connected with the front-back adjusting base through a base connecting bracket. The structure is simple and reliable, and the cooperation is stable.
The automatic distance adjusting method of the laser scanning system is characterized by comprising the following steps of:
s1: detecting whether the detecting rod contact is in contact with an object to be scanned or not: if the front proximity switch and the rear proximity switch are not triggered, entering step S5; if either the front proximity switch or the rear proximity switch is triggered, entering step S2;
s2: detecting whether the front proximity switch and the rear proximity switch are triggered: if the front proximity switch is in a triggering state, the front and rear executing motor is started to drive the front and rear adjusting guide rod to extend forwards until the front proximity switch is converted from the triggering state to a disconnection state, and then the step S3 is carried out; if the rear proximity switch is in a triggering state, the front and rear executing motor is started to drive the front and rear adjusting guide rod to retract backwards until the rear proximity switch is converted from the triggering state to a disconnection state, and then the step S4 is carried out;
s3: after the front and rear execution motor continues to drive the front and rear adjustment guide rod to extend forwards by a preset value, the front and rear execution motor stops, and then step S5 is carried out;
s4: after the front and rear execution motor continues to drive the front and rear adjustment guide rod to extend backwards by a preset value, the front and rear execution motor stops, and then step S5 is carried out;
s5: starting a laser scanning head to scan a target to be scanned;
s6: the laser head position adjusting mechanism is started, and after the position of the laser scanning head is adjusted leftwards and rightwards or upwards and downwards, the step S1 is returned.
By adopting the method, the distance between the laser scanning head and the target to be scanned can be always kept within the focal length range, so that the laser scanning head can continuously and efficiently ablate the surface of the target to be scanned, and the response is sensitive, and the stability and the reliability are high. Moreover, by setting the allowance, frequent starting of the front and rear execution motors caused by frequent triggering of the proximity switch is avoided, so that the service life of the front and rear execution motors can be effectively prolonged, and the maintenance period of the front and rear execution motors is prolonged.
Compared with the prior art, the invention has the beneficial effects that:
the laser scanning system capable of adaptively adjusting the distance and the automatic distance adjusting method adopting the technical scheme are ingenious in design and easy to realize, the problem that the rust removing efficiency of the traditional laser scanning system is accelerated and reduced along with the increase of single operation time is solved on the premise that the manufacturing cost and the assembly difficulty are hardly increased or extremely increased, the rust removing efficiency is high, the stability and the reliability are extremely high, the single operation time of the laser scanning system is greatly improved, the maintenance period of the laser scanning system is prolonged, and meanwhile, the response is sensitive, and the stability and the reliability are high.
Drawings
FIG. 1 is a schematic view of one view of the present invention;
FIG. 2 is a schematic view of another view of the present invention;
FIG. 3 is a schematic view of one view of the distance detection control mechanism;
fig. 4 is a schematic structural view of another view angle of the distance detection control mechanism.
Detailed Description
The invention is further described below with reference to examples and figures.
As shown in fig. 1 and 2, a laser scanning system capable of adaptively adjusting a distance mainly includes a laser scanning head 1 and a laser head position adjusting mechanism for changing a position of the laser scanning head 1, the laser scanning head 1 being configured to emit a laser beam to scan an object to be scanned. The laser scanning head 1 is installed on the laser head position adjusting mechanism through a distance detection control mechanism, the distance detection control mechanism comprises a mechanical distance detection component and an electronic start-stop control component, the mechanical distance detection component is used for driving the distance between the laser scanning head 1 and a target to be scanned to be kept at a set value or a set range, and the electronic start-stop control component is used for controlling the laser head position adjusting mechanism so as to adjust the front position and the rear position of the laser scanning head 1.
The mechanical distance detection component is arranged near or on the laser scanning head 1 which can generate high heat and is closest to a target to be scanned which can generate dust, and the mechanical distance detection component is of a pure mechanical structure, so that the mechanical distance detection component can resist high temperature and is not influenced by the dust; in addition, the electronic start-stop control assembly adopting the electronic element can be arranged at a position relatively far away from the laser scanning head 1 and the target to be scanned, so that the influence of high temperature and dust can be avoided, and the high precision of the electronic element can be maintained; therefore, the laser scanning system capable of adaptively adjusting the distance solves the problem that the rust removal efficiency of the traditional laser scanning system is accelerated and reduced along with the increase of single operation time on the premise of almost not increasing the manufacturing cost and the assembly difficulty, has high rust removal efficiency and extremely high stability and reliability, greatly improves the single operation time of the laser scanning system, and prolongs the maintenance period of the laser scanning system.
Referring to fig. 1 to 4, the mechanical distance detecting assembly includes a holding assembly base 2 mounted on a laser head position adjusting mechanism, an intermediate bracket 3 mounted on the holding assembly base 2 so as to be movable back and forth, and a laser head mounting bracket 4 mounted on the intermediate bracket 3 so as to be rotatable in a horizontal direction, at least one elastic member 5 for urging the intermediate bracket 3 to reset forward is provided between the holding assembly base 2 and the intermediate bracket 3, the laser scanning head 1 is mounted on the laser head mounting bracket 4, and at least two distance detecting rods 6 extending forward are mounted on the laser head mounting bracket 4. In this embodiment, two distance detecting rods 6 are adopted altogether, and the two distance detecting rods 6 are oppositely arranged in parallel along the horizontal direction, so that the minimum number is adopted, the cost is low, and accidents such as jamming and the like are avoided.
Referring to fig. 3 and 4, the distance detecting rod 6 includes a detecting rod main body 6a extending forward and a detecting rod contact 6b mounted at the front end of the detecting rod main body 6a in a manner of being able to be telescopically adjusted back and forth, so that the length of the distance detecting rod 6 can be adaptively adjusted according to the focal length of the laser scanning head 1, and the universality is good, thereby enabling the laser scanning system to replace the laser scanning head 1 according to practical situations.
Specifically, a rotatable nut 6c is attached to the front end of the detection rod main body 6a, the detection rod contact 6b has a screw structure, the detection rod main body 6a has a cylindrical structure corresponding to the detection rod contact 6b, and the rear end of the detection rod contact 6b is inserted into the detection rod main body 6a and forms a screw-nut pair with the nut 6 c. By rotating the nut 6c forward or backward, the detection rod contact 6b can be extended forward or retracted backward. And, be provided with universal ball 6d in the front end of measuring rod contact 6b, can adapt to the rugged target surface that waits to scan better, prevent to take place the jamming, can not contact problem such as complete.
Referring to fig. 3 and 4, at least one base translation guide rod 2a is disposed on the holding component base 2, and in this embodiment, two base translation guide rods 2a are disposed in total, so that the middle bracket 3 can be more stably and reliably slidably matched with the holding component base 2. Specifically, four guide rod installation bases 2b opposite to each other are arranged on the holding component base 2, two ends of the two base translation guide rods 2a are respectively fixed on the corresponding guide rod installation bases 2b, and the two base translation guide rods 2a are mutually parallel. The middle bracket 3 is provided with a bracket sliding block 3a which is sleeved on the corresponding base translation guide rod 2a in a back-and-forth sliding way, and each elastic element 5 is respectively used for driving the corresponding bracket sliding block 3a to slide forwards. In this embodiment, the elastic element 5 adopts a reset compression spring, two reset compression springs are respectively sleeved on the corresponding base translation guide rod 2a, and two ends of the reset compression spring are respectively abutted with the corresponding guide rod mounting seat 2b and the elastic element 5. Correspondingly, the elastic element 5 can also be a return tension spring or other elastic element which can achieve the same function.
Referring to fig. 4, the laser head mounting frame 4 is rotatably mounted on the middle bracket 3 through the bracket rotating shaft 20, when the curvature radius of the surface of the target to be scanned changes, the laser scanning head 1 can rotate relative to the middle bracket 3 along with the laser head mounting frame 4 to compensate, so that the outer ends of the distance detection rods 6 are always in contact with the surface of the target to be scanned, and the distance between the laser scanning head 1 and the target to be scanned is always kept within the focal length range, so as to continuously and efficiently ablate the surface of the target to be scanned.
The laser head mounting frame 4 comprises a mounting frame bottom plate 4a which is horizontally arranged, a mounting frame front side plate 4b which is vertically arranged and two mounting frame side baffle plates 4c which are positioned on two sides, wherein the bottom edge of the mounting frame front side plate 4b is fixedly connected with the front edge of the mounting frame bottom plate 4a, each mounting frame side baffle plate 4c is respectively fixedly connected with the corresponding side edges of the mounting frame bottom plate 4a and the mounting frame front side plate 4b, so that a laser scanning head mounting groove is formed by surrounding, and the laser scanning head 1 is mounted in the laser scanning head mounting groove. The upper end of the bracket rotating shaft 20 is fixedly connected to the bottom surface of the mounting bracket bottom plate 4a, and the rear ends of the two distance detecting rods 6 are fixedly connected to the front side surface of the mounting bracket front side plate 4 b.
Referring to fig. 3, two rotation limiting pins 7 capable of being matched with the middle bracket 3 are installed at the bottom of the laser head mounting frame 4, so that the maximum rotation angle of the laser scanning head 1 and the laser head mounting frame 4 can be limited.
Referring to fig. 3, the electronic start-stop control assembly includes a front proximity switch 8 and a rear proximity switch 18 disposed on the holder assembly base 2 along the front-rear direction, and the front proximity switch 8 and the rear proximity switch 18 can be triggered by the corresponding bracket sliders 3 a. The front proximity switch 8 and the rear proximity switch 18 can be triggered by the same support sliding block 3a, and also can be triggered by the corresponding support sliding blocks 3a, so that the flexibility is high, the proximity switch is not affected by dust, and the high temperature resistance is excellent. In this embodiment, the front proximity switch 8 and the rear proximity switch 18 are triggered by the same bracket slider 3a, so as to avoid the error condition that the front proximity switch 8 and the rear proximity switch 18 are triggered simultaneously.
Referring to fig. 1 and 2, the laser head position adjusting mechanism at least includes a front-to-back adjustment executing assembly, and in particular, the laser head position adjusting mechanism may also provide two-dimensional, three-dimensional, or even multi-dimensional adjustment. In the present embodiment, the laser head position adjustment mechanism is exemplified as having a front-rear adjustment execution component.
The front-back adjusting execution assembly comprises a front-back adjusting base 9, at least one guide sleeve 10 arranged on the front-back adjusting base 9 and a front-back adjusting guide rod 11 capable of sliding back and forth along the corresponding guide sleeve 10, a distance detection control mechanism is arranged at the front end of the front-back adjusting guide rod 11, a front-back executing motor 13 is arranged at the rear end of the front-back adjusting guide rod 11 through a motor bracket 12, a synchronous belt driving wheel 14 is fixedly sleeved on a motor shaft of the front-back executing motor 13, a synchronous belt driven wheel 15 is arranged on the distance detection control mechanism, a synchronous belt 16 is connected between the synchronous belt driven wheel 15 and the synchronous belt driving wheel 14, and the synchronous belt 16 is fixedly connected with the front-back adjusting base 9 through a base connecting bracket 17. In this embodiment, two front and rear adjusting guide rods 11 are arranged in parallel, and a synchronous belt 16 is located between the two front and rear adjusting guide rods 11, which is simple and reliable. And, each front and rear adjustment guide rod 11 is slidably inserted through the two guide sleeves 10 in a front and rear direction, respectively, to improve the stability and reliability of the front and rear sliding of the front and rear adjustment guide rods 11.
The front and back executing motor 13 drives the synchronous belt driving wheel 14 to rotate positively and negatively, and the synchronous belt 16 can pull the front and back adjusting base 9 forwards and backwards, so that the front and back adjusting guide rod 11 can be driven to slide forwards and backwards along the corresponding guide sleeve 10, and the front and back position of the laser scanning head 1 is adjusted.
It should be noted that, the guide sleeve 10 and the bracket slider 3a may be linear bearings, which is low in cost and high in accuracy.
An automatic distance adjusting method of a laser scanning system comprises the following steps:
s1: detecting whether the detection lever contact 6b is in contact with the object to be scanned: if neither the front proximity switch 8 nor the rear proximity switch 18 is triggered, go to step S5; if either the front proximity switch 8 or the rear proximity switch 18 is triggered, the step S2 is entered;
s2: it is detected whether the front proximity switch 8 and the rear proximity switch 18 are triggered: if the front proximity switch 8 is in a triggering state, the front and rear execution motor 13 is started to drive the front and rear adjustment guide rod 11 to extend forwards until the front proximity switch 8 is converted from the triggering state to the disconnection state, and then the step S3 is performed; if the rear proximity switch 18 is in the triggering state, the front and rear execution motor 13 is started to drive the front and rear adjustment guide rod 11 to retract backwards until the rear proximity switch 18 is converted from the triggering state to the disconnection state, and then the step S4 is performed;
s3: after the front and rear execution motor 13 continues to drive the front and rear adjustment guide rod 11 to extend forward by a preset value, the front and rear execution motor 13 stops, and then step S5 is performed;
s4: after the front and rear execution motor 13 continues to drive the front and rear adjustment guide rod 11 to extend backwards by a preset value, the front and rear execution motor 13 stops, and then step S5 is performed;
s5: starting a laser scanning head 1 to scan a target to be scanned;
s6: the laser head position adjusting mechanism is started, and after the position of the laser scanning head 1 is adjusted to the left and right or up and down, the process returns to step S1.
Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and that many similar changes can be made by those skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (1)
1. An automatic distance adjusting method of a laser scanning system is characterized in that: the laser scanning device comprises a laser scanning head (1) and a laser head position adjusting mechanism for adjusting the position of the laser scanning head (1), wherein the laser scanning head (1) is arranged on the laser head position adjusting mechanism through a distance detection control mechanism, the distance detection control mechanism comprises a mechanical distance detection assembly and an electronic start-stop control assembly, the mechanical distance detection assembly is used for driving the distance between the laser scanning head (1) and a target to be scanned to be kept at a set value or a set range, and the electronic start-stop control assembly is used for controlling the laser head position adjusting mechanism so as to adjust the front and rear positions of the laser scanning head (1);
the mechanical distance detection assembly comprises a holding assembly base (2) installed on a laser head position adjustment mechanism, an intermediate bracket (3) installed on the holding assembly base (2) in a back-and-forth movable mode, and a laser head installation frame (4) installed on the intermediate bracket (3) in a horizontal direction in a rotating mode, at least one elastic element (5) used for driving the intermediate bracket (3) to reset forwards is arranged between the holding assembly base (2) and the intermediate bracket (3), the laser scanning head (1) is installed on the laser head installation frame (4), and at least two distance detection rods (6) extending forwards are installed on the laser head installation frame (4);
the distance detection rod (6) comprises a detection rod main body (6 a) extending forwards and a detection rod contact (6 b) which is installed at the front end of the detection rod main body (6 a) in a manner of being capable of being adjusted in a telescopic mode in a front-back mode;
a rotatable nut (6 c) is arranged at the front end of the detection rod main body (6 a), the detection rod contact (6 b) is of a screw structure, the detection rod main body (6 a) is of a cylindrical structure which is matched with the detection rod contact (6 b), and the rear end of the detection rod contact (6 b) is inserted into the detection rod main body (6 a) and forms a screw-nut pair with the nut (6 c);
the front end of the detection rod contact (6 b) is provided with a universal ball (6 d);
at least one base translation guide rod (2 a) is arranged on the base (2) of the holding assembly, the middle bracket (3) is provided with bracket sliding blocks (3 a) which can be sleeved on the corresponding base translation guide rod (2 a) in a front-back sliding manner, and each elastic element (5) is respectively used for driving the corresponding bracket sliding blocks (3 a) to slide forwards;
the electronic start-stop control assembly comprises a front proximity switch (8) and a rear proximity switch (18) which are arranged on a base (2) of the holding assembly along the front-rear direction, and the front proximity switch (8) and the rear proximity switch (18) can be triggered by corresponding bracket sliding blocks (3 a);
the laser head position adjusting mechanism at least comprises a front-back adjusting executing assembly, the front-back adjusting executing assembly comprises a front-back adjusting base (9), at least one guide sleeve (10) arranged on the front-back adjusting base (9) and a front-back adjusting guide rod (11) capable of sliding back and forth along the corresponding guide sleeve (10), the distance detection control mechanism is arranged at the front end of the front-back adjusting guide rod (11), the rear end of the front-back adjusting guide rod (11) is provided with a front-back executing motor (13) through a motor bracket (12), a motor shaft of the front-back executing motor (13) is fixedly sleeved with a synchronous belt driving wheel (14), the distance detection control mechanism is provided with a synchronous belt driven wheel (15), a synchronous belt (16) is connected between the synchronous belt driven wheel (15) and the synchronous belt driving wheel (14), and the synchronous belt (16) is fixedly connected with the front-back adjusting base (9) through a base connecting bracket (17).
The automatic distance adjusting method of the laser scanning system comprises the following steps:
s1: detecting whether the detection rod contact (6 b) is in contact with an object to be scanned or not: if the front proximity switch (8) and the rear proximity switch (18) are not triggered, entering step S5; if either the front proximity switch (8) or the rear proximity switch (18) is triggered, entering step S2;
s2: detecting whether a front proximity switch (8) and a rear proximity switch (18) are triggered or not: if the front proximity switch (8) is in a triggering state, a front and rear execution motor (13) is started to drive a front and rear adjustment guide rod (11) to extend forwards until the front proximity switch (8) is converted from the triggering state to an off state, and then the step S3 is performed; if the rear proximity switch (18) is in a triggering state, the front and rear execution motor (13) is started to drive the front and rear adjustment guide rod (11) to retract backwards until the rear proximity switch (18) is converted into a disconnection state from the triggering state, and then the step S4 is carried out;
s3: after the front and rear execution motor (13) continuously drives the front and rear adjustment guide rod (11) to extend forwards by a preset value, the front and rear execution motor (13) is stopped, and then the step S5 is carried out;
s4: after the front and rear execution motor (13) continuously drives the front and rear adjustment guide rod (11) to extend backwards by a preset value, the front and rear execution motor (13) is stopped, and then the step S5 is carried out;
s5: starting a laser scanning head (1) to scan a target to be scanned;
s6: the laser head position adjusting mechanism is started, and after the position of the laser scanning head (1) is adjusted leftwards and rightwards or upwards and downwards, the step S1 is returned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010251457.5A CN111308694B (en) | 2020-04-01 | 2020-04-01 | Laser scanning system capable of adaptively adjusting distance and automatic distance adjusting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010251457.5A CN111308694B (en) | 2020-04-01 | 2020-04-01 | Laser scanning system capable of adaptively adjusting distance and automatic distance adjusting method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111308694A CN111308694A (en) | 2020-06-19 |
| CN111308694B true CN111308694B (en) | 2023-05-23 |
Family
ID=71151713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010251457.5A Active CN111308694B (en) | 2020-04-01 | 2020-04-01 | Laser scanning system capable of adaptively adjusting distance and automatic distance adjusting method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111308694B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113102389B (en) * | 2021-04-26 | 2023-01-24 | 广东电网有限责任公司江门供电局 | Insulator laser cleans uses arc motion platform |
| CN114147733A (en) * | 2021-11-04 | 2022-03-08 | 武汉武船重型装备工程有限责任公司 | Cluster type laser scanning robot for scanning large-scale component |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09229639A (en) * | 1996-02-26 | 1997-09-05 | Mitsubishi Heavy Ind Ltd | Automatic hole diameter measuring device |
| JP2011056523A (en) * | 2009-09-07 | 2011-03-24 | Keyence Corp | Laser beam machining device |
| CN103017679A (en) * | 2012-11-23 | 2013-04-03 | 北京航空航天大学 | Lumen scanning system based on laser ranging sensor |
| CN106091890A (en) * | 2016-07-28 | 2016-11-09 | 西南交通大学 | The survey tool of laser work distance in Laser Processing |
| CN205836262U (en) * | 2016-07-15 | 2016-12-28 | 东莞市环亚激光科技有限公司 | The auto-focusing scanning system of laser marking machine |
| CN107755879A (en) * | 2016-03-26 | 2018-03-06 | 广州新可激光设备有限公司 | Laser marking machine, regulation probe and the method and marking machine Atomatic focusing method of mark thing distance |
| CN108444411A (en) * | 2018-04-28 | 2018-08-24 | 广州塞维拉电梯轨道***有限公司 | A kind of Linearity surveying system and method |
| CN208043075U (en) * | 2018-04-16 | 2018-11-02 | 湖南工学院 | A kind of indoor design special measurement device |
| CN211928303U (en) * | 2020-04-01 | 2020-11-13 | 重庆金樾光电科技有限公司 | Laser scanning system capable of self-adaptive pitch separation |
-
2020
- 2020-04-01 CN CN202010251457.5A patent/CN111308694B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09229639A (en) * | 1996-02-26 | 1997-09-05 | Mitsubishi Heavy Ind Ltd | Automatic hole diameter measuring device |
| JP2011056523A (en) * | 2009-09-07 | 2011-03-24 | Keyence Corp | Laser beam machining device |
| CN103017679A (en) * | 2012-11-23 | 2013-04-03 | 北京航空航天大学 | Lumen scanning system based on laser ranging sensor |
| CN107755879A (en) * | 2016-03-26 | 2018-03-06 | 广州新可激光设备有限公司 | Laser marking machine, regulation probe and the method and marking machine Atomatic focusing method of mark thing distance |
| CN205836262U (en) * | 2016-07-15 | 2016-12-28 | 东莞市环亚激光科技有限公司 | The auto-focusing scanning system of laser marking machine |
| CN106091890A (en) * | 2016-07-28 | 2016-11-09 | 西南交通大学 | The survey tool of laser work distance in Laser Processing |
| CN208043075U (en) * | 2018-04-16 | 2018-11-02 | 湖南工学院 | A kind of indoor design special measurement device |
| CN108444411A (en) * | 2018-04-28 | 2018-08-24 | 广州塞维拉电梯轨道***有限公司 | A kind of Linearity surveying system and method |
| CN211928303U (en) * | 2020-04-01 | 2020-11-13 | 重庆金樾光电科技有限公司 | Laser scanning system capable of self-adaptive pitch separation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111308694A (en) | 2020-06-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111308694B (en) | Laser scanning system capable of adaptively adjusting distance and automatic distance adjusting method | |
| CN210493957U (en) | Side brush cleaning device and sweeping robot | |
| CN205119927U (en) | Heat exchanger tube side self - cleaning device | |
| CN211928303U (en) | Laser scanning system capable of self-adaptive pitch separation | |
| CN109305516B (en) | Pushing mechanism capable of achieving approximately rectangular motion trail | |
| CN111318812A (en) | Large-scale steel structure surface laser rust cleaning robot | |
| EP1570925A1 (en) | Automated descaling machine | |
| CN212122077U (en) | Large-scale steel structure surface laser rust cleaning robot | |
| CN218893931U (en) | Pavement detector for road construction | |
| CN217859458U (en) | Section bar clamping device of laser cutting machine | |
| CN210123413U (en) | Automatic scanning device for ultrasonic phased array flat panel detection | |
| CN101954576A (en) | Dismounting device for fractured connecting rod | |
| CN214489623U (en) | Auto parts turning device | |
| CN211602412U (en) | Positioning mechanism and system for engine quality inspection equipment | |
| CN214539047U (en) | Pendulum bob testing machine | |
| CN113732802A (en) | Double housing planer with self-cleaning function | |
| CN210893040U (en) | Intermediate gear shaft end face runout detection device | |
| CN107282485B (en) | A maintain cleaning device for equipment | |
| CN113564973A (en) | Lateral on-line following positioning device for steel rail milling and grinding system | |
| CN214022266U (en) | Cleaning mechanism suitable for artificial intelligence robot and cleaning robot | |
| CN215034515U (en) | Four-axis linkage structure | |
| CN210731593U (en) | Seat is leaned on set robot and is screwed up machine | |
| CN219724976U (en) | Laser welding robot bonding tool adjusting part | |
| CN218941042U (en) | Solar photovoltaic module surface cleaning device | |
| CN220323229U (en) | Boiler operation oxygen content detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |