CN115634886A - Integrated U-rib laser cleaning production line structure - Google Patents

Abstract

The invention provides an integrated U-rib laser cleaning production line structure which comprises an equipment foundation, a ground rail, a U-rib storage rack for placing U-rib parts and a conveying line body for conveying the U-rib parts, wherein the ground rail is provided with a gantry type feeding and discharging device, the gantry type feeding and discharging device is used for feeding the U-rib parts from the U-rib storage rack to the conveying line body and driving the U-rib parts to move on the conveying line body, a laser cleaning device is arranged on a conveying line of the conveying line body, the conveying line body comprises two sections, and the laser cleaning device is positioned between the two sections; the ground rail, the U rib storage rack, the conveying line body and the laser cleaning device are arranged on the equipment base, the ground rail, the U rib storage rack and the conveying line body are arranged in parallel, the ground rail comprises two rails, the U rib storage rack and the conveying line body are arranged between the two rails, the U rib storage rack and the conveying line body are arranged in parallel, and the gantry type feeding and discharging device stretches across the two rails.

Description

Integrated U-rib laser cleaning production line structure

Technical Field

The invention relates to the technical field of laser cleaning, in particular to an integrated U-rib laser cleaning production line structure.

Background

The common orthotropic plate unit on the large-scale steel structure bridge is formed by welding a U rib and a panel, and has the advantages of light dead weight, high bearing capacity and the like. In order to ensure the welding quality of the orthotropic plate unit, the welding bead area of the U-shaped rib needs to be cleaned before the U-shaped rib is welded with the panel, and attachments such as rust, oxide skin, paint layer, oil stain and the like on the surface are removed. In order to ensure the cleaning quality, the areas to be welded of the U ribs are usually mechanically grinded by adopting manual work or special equipment.

The traditional manual polishing of the U-rib part needs to consume a large amount of physical power, the polishing quality is unstable, the operation efficiency is low, and the generated dust and noise can directly threaten the physical health of workers; the existing special U-rib polishing equipment adopts a contact type mechanical polishing mode, and inevitably brings mechanical vibration and noise, so that the problems of unstable polishing effect, easy damage to workpieces, serious noise pollution, poor equipment stability and the like are caused. In addition, the existing special U rib polishing equipment needs manual assistance to position the U rib to-be-polished area before polishing, and cannot perform self-adaptive adjustment according to the difference of the overall dimension of the U rib, so that the application range is more limited.

Disclosure of Invention

The invention aims to overcome the defects of the prior art, provides an integrated U-rib laser cleaning production line structure and at least solves part of problems in the prior art.

The invention is realized by the following steps:

the invention provides an integrated U-rib laser cleaning production line structure which comprises an equipment foundation, a ground rail, a U-rib storage rack for placing U-rib parts and a conveying line body for conveying the U-rib parts, wherein the ground rail is provided with a gantry type feeding and discharging device, the gantry type feeding and discharging device is used for feeding the U-rib parts from the U-rib storage rack to the conveying line body and driving the U-rib parts to move on the conveying line body, a laser cleaning device is arranged on a conveying line of the conveying line body, the conveying line body comprises two sections, and the laser cleaning device is positioned between the two sections; the ground rail, the U rib storage rack, the conveying line body and the laser cleaning device are all arranged on the equipment base and are arranged in parallel, the ground rail comprises two rails, the U rib storage rack and the conveying line body are positioned between the two rails, the U rib storage rack and the conveying line body are arranged in parallel, and the gantry type feeding and discharging device is arranged on the two rails in a crossing manner; the U rib part of waiting to wash on the U rib deposits rack is carried to conveying line body material loading district through last unloader of planer-type, and the U rib part removes and passes through the laser cleaning device that conveying line body segmentation department was arranged on the conveying line body, accomplishes the laser welding bead and washs, washs the back of accomplishing, and the material loading district is returned to on the way of the U rib part, and the U rib part is unloaded to the U rib by last unloader of planer-type and deposits rack temporary storage area to this time an operation circulation completion.

Further, the gantry type loading and unloading device comprises a first loading and unloading device and a second loading and unloading device, the first loading and unloading device and the second loading and unloading device are respectively located at two ends of the ground rail, the first loading and unloading device and the second loading and unloading device cooperate to convey the U-rib parts onto the conveying line body, and the second loading and unloading device drives the U-rib parts to reciprocate on the conveying line body; the first feeding and discharging device comprises a first cross beam mechanism capable of moving along the length direction of the ground rail and a first feeding and discharging grabbing mechanism arranged on the first cross beam mechanism, the second feeding and discharging device comprises a second cross beam mechanism capable of moving along the length direction of the ground rail and a second feeding and discharging grabbing mechanism arranged on the second cross beam mechanism, and the first feeding and discharging grabbing mechanism moves horizontally and linearly on the first cross beam mechanism; the second feeding and discharging grabbing mechanism moves horizontally and linearly on the second cross beam mechanism, and U-rib clamps are arranged on the first feeding and discharging grabbing mechanism and the second feeding and discharging grabbing mechanism.

The U-rib clamp comprises a pressing power assembly and a dragging mechanism, when a U-rib part is conveyed to a conveying line body from a U-rib storage rack, the pressing power assembly and the dragging mechanism are matched to clamp the U-rib part, the dragging mechanism is used for hooking and supporting the U-rib part, the pressing power assembly compresses the upper surface of the U-rib part, a fork material on-position detection mechanism is arranged close to the dragging mechanism, the U-rib clamp further comprises a hydraulic locking mechanism, when the U-rib part is conveyed to the conveying line body, the U-rib part is pushed and moved on the conveying line body, the U-rib part is only clamped by the hydraulic locking mechanism, a hydraulic locking detection mechanism is arranged close to the hydraulic locking mechanism and used for detecting material abnormity of the hydraulic locking mechanism, the fork material on-position detection mechanism is used for detecting material abnormity of the dragging mechanism, the hydraulic locking detection mechanism and the fork material on-position detection mechanism judge whether the U-rib part is grabbed in place or not by projecting an induction medium to the surface of the U-rib part, and if the U-rib part is not detected, the U-rib part is stopped for checking.

Further, the conveying line body includes the rollgang frame, the length direction along the rollgang frame is equipped with the bearing roller device of a plurality of support U rib parts, still be equipped with mobilizable first side position guide roll in the rollgang frame, fixed second side position guide roll, along the width direction of U rib part, one side of rollgang frame is located to first side position guide roll, the opposite side of rollgang frame is located to second side position guide roll, still be equipped with the side position direction drive arrangement that the first side position guide roll of drive is close to or keeps away from to second side position guide roll in the rollgang frame.

Further, side position direction drive arrangement includes servo drive motor, synchro-actuator, the transmission shaft, the riser, servo drive motor lug connection synchro-actuator, the riser passes through the transmission shaft and is connected with the synchro-actuator transmission, first side position guide roll passes through linking bridge and links to each other with the riser, under the drive of riser, first side position guide roll is close to or keeps away from second side position guide roll, first side position guide roll slides and installs on linear slide assembly, linear slide assembly along the line removes.

Furthermore, be equipped with material detection subassembly in the rollgang frame, this detection subassembly is through throwing response medium to U rib part surface to judge whether the material reaches preset position through the distance information who acquires U rib part, material detection subassembly starts servo drive motor adjustment distance between first side position guide roll and the second side position guide roll after detecting U rib part, make U rib part by spacing between first side position guide roll and second side position guide roll, ensure that the U rib part homoenergetic of different widths can effectively obtain the location direction.

Further, the U rib deposits the rack and includes the rack body, the U rib part is kept in on the rack body temporarily, be equipped with a plurality of spuds on the rack body, each the spud is followed the length direction interval of rack body sets up, and U rib part cover is on the spud, the U rib part that the spud is convenient for keep in is fixed a position when putting.

Further, carrier roller devices are arranged in front of and behind the laser cleaning device along the conveying direction of the U-rib part, the laser cleaning device comprises laser cleaning heads, a cleaning head support, a displacement table and a base, the displacement table is arranged on the base, the cleaning head support is slidably arranged on the displacement table, two laser cleaning heads are arranged on the cleaning head support in a group, the U-rib part comprises an outer welding bead and an inner welding bead, one laser cleaning head on the cleaning head support is used for cleaning the outer welding bead, and the other laser cleaning head on the cleaning head support is used for cleaning the inner welding bead; the laser cleaning head is provided with an auxiliary cleaning air knife and a dust collection air pipe, the auxiliary cleaning air knife and the dust collection air pipe are arranged close to the U-rib part, the auxiliary cleaning air knife is externally connected with compressed air, a knife edge directly faces to a cleaning working surface, smoke dust, particles and stripping substances generated in the laser cleaning process are blown away from the surface of the U-rib part under the action of air flow, and the smoke dust, the particles and the stripping substances are collected through the dust collection air pipe after being blown away from the surface of the U-rib part, so that the smoke dust, the particles and the stripping substances in the cleaning process are effectively collected; the laser cleaning head is also provided with a protective mirror air knife for protecting the laser cleaning head, the protective mirror air knife is arranged close to the laser cleaning head, and the protective mirror air knife is externally connected with high-pressure air, so that particles and smoke dust generated in the cleaning process can be efficiently blown away from the laser cleaning head, and the effective working time of the laser cleaning head is prolonged; the laser cleaning head is also provided with a distance sensor, and the distance sensor is used for detecting the distance from the laser cleaning head to the surface of the U-shaped rib part in real time, so that the focal position of a laser beam is always in a preset position, and the laser cleaning system is in the best working state.

Furthermore, a cleaning head lifting assembly is arranged on the cleaning head support and used for automatically adapting to the U-rib parts with different height sizes in the laser cleaning process; the cleaning head lifting assembly is provided with a rotary platform for adjusting the direction of the laser cleaning head and a servo drive motor for driving the rotary platform to rotate, and the rotary platform is driven by the servo drive motor to rotate around a horizontal shaft so as to drive the angle of the laser cleaning head to change; when the U-rib part is conveyed to the laser cleaning device by the conveying line body, the cleaning head support is moved to a proper position along the displacement table according to the measuring result of the distance sensor, the cleaning head lifting assembly is adjusted to a proper height, and the rotating platform drives the laser cleaning head to rotate to a proper angle.

Furthermore, the laser cleaning device is provided with a material detection mechanism on one side far away from the U-rib storage rack, the material detection mechanism is used for ensuring that the U-rib parts reach the preset position of the laser cleaning device, and the laser cleaning head is started to clean the U-rib parts after the material detection mechanism detects the U-rib parts.

The invention has the following beneficial effects:

1. the integrated U-rib laser cleaning production line provided by the invention is a highly integrated control automatic production line, can realize continuous welding bead cleaning of U-rib parts, and improves the production efficiency.

2. The integrated U-rib laser cleaning production line provided by the invention is different from the existing mechanical polishing equipment and manual polishing modes, and has the characteristics of no dust, no vibration, no contact, no grinding, silence and environmental protection in the production process.

3. The integrated U-rib laser cleaning production line provided by the invention can fully utilize the accessibility of the laser beam, effectively compensate the influence of the manufacturing error of the U-rib part on the cleaning quality, and has good cleaning quality. The U-shaped rib welding bead cleaned by the production line is attractive in appearance and better in surface consistency.

4. The integrated U-rib laser cleaning production line provided by the invention is provided with an automatic feeding and discharging mechanism and a conveying system, and can be well compatible with U-rib parts with different lengths and different opening sizes. Aiming at the problem that the U-rib part is too large in size (the length is usually as long as several meters or even tens of meters) and is not easy to control, the state of the material is actively sensed by means of synchronous transmission, automatic induction and the like, automatic positioning and conveying are realized, and stable production of the system is ensured.

5. The integrated U-rib laser cleaning production line provided by the invention is provided with an automatic laser cleaning unit, and can compensate angles and positions of U-rib parts with different sizes in the cleaning process; and meanwhile, the laser cleaning head has a focus tracking function, and is ensured to be always in the optimal working position.

6. The integrated U-rib laser cleaning production line provided by the invention has a specially designed blowing and sucking integrated smoke purification and air knife system, and can protect a laser protective lens to the maximum extent, so that the working stability of a laser cleaning head is ensured.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic overall layout view of an integrated U-rib laser cleaning production line provided in an embodiment of the present invention;

FIG. 2 is a schematic view of an integral axis of an integrated U-rib laser cleaning production line provided by an embodiment of the invention;

FIG. 3 is a 3D exploded view of an integrated U-rib laser cleaning production line provided by an embodiment of the invention;

fig. 4 is a schematic view of a gantry type loading and unloading device provided in an embodiment of the present invention;

FIG. 5 is a schematic view of a cross beam and a grabbing mechanism of the loading and unloading device provided by the embodiment of the invention;

fig. 6 is a sectional view of the feeding and discharging gripping mechanism provided in the embodiment of the present invention;

FIG. 7 is a schematic view of a U-rib cleaning roller conveyor detection device according to an embodiment of the present invention;

FIG. 8 is a schematic view of an automatic positioning of a U-rib cleaning roller conveyor according to an embodiment of the present invention;

FIG. 9 is a schematic cross-sectional view of an embodiment of the present invention illustrating the automatic positioning of the U-shaped rib;

FIG. 10 is a schematic view of a synchronous transmission mechanism of a U-rib cleaning roller way according to an embodiment of the present invention;

FIG. 11 is a schematic axial view of a U-rib storage rack according to an embodiment of the present invention

FIG. 12 is a schematic view of a workpiece positioning structure of a U-rib storage rack according to an embodiment of the present invention

FIG. 13 is a schematic diagram of an adaptive laser cleaning system according to an embodiment of the present invention;

FIG. 14 is a schematic view of a laser cleaning head angle following system according to an embodiment of the present invention;

fig. 15 is a schematic view of laser cleaning distance detection and air knife structure provided in the embodiment of the present invention;

FIG. 16 is a schematic view of the workpiece supporting, sensing and dust removing portions of the cleaning station according to an embodiment of the present invention.

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. 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.

As shown in fig. 1 to 16, an embodiment of the present invention provides an integrated U-rib laser cleaning production line structure, including a ground rail 2, a U-rib storage rack 3 for storing U-rib parts 4, and a conveying line body 6 for conveying the U-rib parts 4, wherein a gantry type loading and unloading device 10 is arranged on the ground rail 2, the gantry type loading and unloading device 10 is used for conveying the U-rib parts 4 from the U-rib storage rack 3 to the conveying line body 6, and a conveying line of the conveying line body 6 is provided with a laser cleaning device 7. The conveying line body 6 comprises two sections, and the laser cleaning device 7 is located between the two sections. The ground rail, the U rib storage rack, the conveying line body and the laser cleaning device are arranged on the equipment foundation and are arranged in parallel, the ground rail comprises two rails, the U rib storage rack and the conveying line body are arranged between the two rails, the U rib storage rack and the conveying line body are arranged in parallel, and the gantry type feeding and discharging device is arranged on the two rails in a crossing mode.

The invention provides an integrated U-rib laser cleaning production line. And a non-contact laser cleaning technology is adopted, and automatic welding bead cleaning of the U-rib part is realized by an automatic means. This production line can replace artifical operation of polishing comprehensively, and has effectively solved the easy damage work piece, the uniformity of polishing poor, the serious scheduling problem of noise pollution of the special machinery equipment ubiquitous of current U rib. The cleaning quality of the U-shaped rib welding bead can be obviously improved, and the cleaning operation efficiency is improved.

The gantry type loading and unloading device 10 comprises a first loading and unloading device 1 and a second loading and unloading device 5, wherein the first loading and unloading device 1 and the second loading and unloading device 5 are respectively located at two ends of a ground rail 2. The first loading and unloading device 1 comprises a first beam mechanism 21 capable of moving along the length direction of the ground rail 2 and a first loading and unloading grabbing mechanism 24 arranged on the first beam mechanism 21, and the second loading and unloading device 5 comprises a second beam mechanism 26 capable of moving along the length direction of the ground rail 2 and a second loading and unloading grabbing mechanism 25 arranged on the second beam mechanism 26. The first loading and unloading grabbing mechanism 24 makes horizontal linear motion on the first cross beam mechanism 21; the second loading and unloading gripping mechanism 25 makes a horizontal linear motion on the second beam mechanism 26. U-rib clamps 23 are arranged on the first feeding and discharging grabbing mechanism 24 and the second feeding and discharging grabbing mechanism 25, and the U-rib clamps 23 are used for clamping the U-rib parts 4 and driving the U-rib parts 4 to move on the conveyor line body 6.

Referring to fig. 6, the U-rib clamp 23 includes a swaging power assembly 201 and a dragging mechanism 205, when the U-rib part 4 is transported from the U-rib storage rack 3 to the conveyor line body 6, the swaging power assembly 201 and the dragging mechanism 205 cooperate together to clamp the U-rib part 4, the dragging mechanism 205 is used to hook and support the U-rib part 4, the swaging power assembly 201 compresses the upper surface of the U-rib part 4, a fork material in-place detecting mechanism 204 is provided near the dragging mechanism 205, the U-rib clamp 23 further includes a hydraulic locking mechanism 202, when the U-rib part 4 is pushed to move on the conveyor line body 6 after the U-rib part 4 is transported onto the conveyor line body 6, only the hydraulic locking mechanism 202 is used to clamp the U-rib part 4, and the hydraulic locking detecting mechanism 203 is provided near the hydraulic locking mechanism 202.

The material pressing power assembly 201 is used for ensuring the stability of the gantry type loading and unloading device 10 in the process of carrying the U-rib parts 4 and preventing the U-rib parts 4 from overturning or falling in the carrying process; the hydraulic locking mechanism 202 is used for positioning the U-rib part 4 in the laser cleaning process, and can bear loads in two directions of pushing and pulling, so that the U-rib part 4 can be pushed stably and reliably.

Two safety interlocking sensing devices are arranged in the U-rib clamp 23, namely a hydraulic locking detection mechanism 203 and a forking in-place detection mechanism 204, and are respectively used for material abnormity detection of the hydraulic locking mechanism 202 and material abnormity detection of the material dragging mechanism 205, and the hydraulic locking detection mechanism 203 and the forking in-place detection mechanism 204 both judge whether the material reaches a preset position by acquiring distance information of the workpiece by projecting sensing media to the surface of the workpiece, and if the material does not reach the preset position, the material is abnormal. Through setting up above safety interlock induction system can effectively guarantee the reliability of U rib part 4 in transport and propelling movement process, the steady operation of guarantee production line system.

Integration U rib laser cleaning production line structure still includes equipment foundation 13, last unloader 10 of planer-type, the conveying line body 6, laser belt cleaning device 7 and U rib deposit the rack 3 all install in on the equipment foundation 13, be equipped with the mounting groove on the equipment foundation 13, the stability of above-mentioned equipment fixing is guaranteed in the mounting groove and the cooperation installation of above-mentioned equipment.

As shown in fig. 7 to 10, the conveyor line body 6 includes a rollgang frame 31, a plurality of carrier roller devices 503 for supporting the U-rib part 4 are disposed along the length direction of the rollgang frame 31, and a material detection assembly 32 is disposed on the rollgang frame 31, and the material detection assembly determines whether the material reaches a preset position by projecting the sensing medium 30 onto the surface of a workpiece (i.e., the workpiece is the U-rib part 4) and acquiring distance information of the workpiece;

the rollgang frame 31 is provided with a movable first lateral guide roller 33 and a fixed second lateral guide roller 34, the first lateral guide roller 33 is arranged on one side of the rollgang frame 31, the second lateral guide roller 34 is arranged on the other side of the rollgang frame 31 along the width direction of the U-rib part 4,

the rollgang rack 31 is also provided with a side position guide driving device for driving the first side position guide roller 33 to approach or leave the second side position guide roller 34, the side position guide driving device comprises a servo driving motor 37, a synchronous driver 35, a transmission shaft 36 and a lifter 40, the servo driving motor 37 is directly connected with the synchronous driver 35, the lifter 40 is in transmission connection with the synchronous driver 35 through the transmission shaft 36, the first side position guide roller 33 is connected with the lifter 40 through a connecting bracket 41, the first side position guide roller 33 approaches or leaves the second side position guide roller 34 under the driving of the lifter 40, the servo driving motor 37 is started to adjust the distance between the first side position guide roller 33 and the second side position guide roller 34 after the material detection component 32 detects the U-rib part 4, so that the U-rib part 4 is limited between the first side position guide roller 33 and the second side position guide roller 34,

the first side guide roller 33 is slidably mounted on the linear slide rail assembly 38, the linear slide rail assembly 38 is a linear guide rail pair, has good linear displacement precision, can ensure that the side guide driving device 33 moves forward and backward accurately and reliably,

the first side guide roller 33 and the second side guide roller 34 are used for positioning and guiding the U-rib part 4 to be conveyed in the linear motion process, so that the U-rib part 4 is ensured to move stably. To the U rib part of different width specifications, the position of the first side position guide roll 33 of side position direction drive arrangement meeting automatically regulated ensures that the U rib homoenergetic of different specifications effectively obtains the direction, ensures the operating quality, guarantees to produce the operation of line equipment and stabilizes.

The servo driving motor 37 is directly connected with the synchronous driver 35, and the synchronous driver 35 accurately distributes power through the transmission shafts 36 on two sides; the transmission shafts 36 are linearly arranged, and both ends of the transmission shafts are respectively connected with the lifter 40 (or the synchronous driver 35). The first side guide roller 33 is mounted on the linear slide rail assembly 38 and rigidly connected to the connecting bracket 41, and the position of the first side guide roller can be precisely controlled under the driving of the lifter 40, so that the position of the side guide roller 33 can be automatically adjusted, and the U-rib parts 4 of different specifications (different widths) can be effectively positioned and guided.

As shown in fig. 11 to 12, the U-rib storage rack 3 includes a rack body 301, the U-rib parts 4 are temporarily stored on the rack body 301, the rack body 301 is provided with a plurality of positioning piles 302, each positioning pile 302 is arranged at intervals along the length direction of the rack body 301, and the positioning piles 302 are convenient for positioning when the temporarily stored U-rib parts 4 are placed, so as to ensure the placing accuracy of the U-rib parts 4. The adjustment amount of the subsequent feeding and discharging procedures is reduced.

As shown in fig. 13-16, the laser cleaning device 7 includes a laser cleaning head 51, a cleaning head bracket 52, a displacement table 53, and a base 54, wherein the displacement table 53 is installed on the base 54, the cleaning head bracket 52 is slidably installed on the displacement table 53, and the two laser cleaning heads 51 are installed on the cleaning head bracket 52 in a group.

The laser cleaning head 51 is provided with a protective glass air knife 56 and an auxiliary cleaning air knife 55. The auxiliary cleaning air knife 55 is externally connected with compressed air, a knife edge directly faces a cleaning working surface, and smoke, particulate matters, stripping matters and the like generated in the laser cleaning process are blown off the surface of the workpiece under the action of air flow. After the smoke, particles, stripped objects and the like are blown away from the surface of the workpiece, the smoke, the particles, the stripped objects and the like are collected through the dust collection air pipe 501, so that the smoke, the dust and the like in the cleaning process are effectively collected, and the cleanness and the environment friendliness of a workplace are guaranteed. The cleaning head protective mirror air knife 56 is externally connected with high-pressure air, and can efficiently blow off particulate matters, smoke dust and the like generated in the cleaning process from the laser cleaning head 51, so that the effective working time of the laser cleaning head 51 is greatly prolonged.

The cleaning head bracket 52 is provided with a cleaning head lifting component 57, and the cleaning head lifting component 57 is used for automatically adapting to workpieces with different height sizes in the laser cleaning process; the cleaning head lifting assembly 57 is provided with a rotary platform 59 for adjusting the direction of the laser cleaning head 51 and a servo drive motor 58 for driving the rotary platform 59 to rotate, and the rotary platform 59 is driven by the servo drive motor 58 to rotate around a horizontal shaft, so that the angle of the laser cleaning head 51 is driven to change.

The angle adjustment of the laser cleaning head 51 is adapted to the opening angle of the U-rib part 4, so that the laser cleaning head 51 always forms an optimal angle with the surface of a workpiece in the operation process, and the cleaning quality is ensured.

The U-rib part 4 includes an outer bead 61 and an inner bead 62, one laser cleaning head 51 of the cleaning head holder 52 is used for cleaning the outer bead 61, and the other laser cleaning head 51 of the cleaning head holder 52 is used for cleaning the inner bead 62. The laser cleaning head 51 is also provided with a distance sensor 60, and the distance sensor 60 is used for detecting the distance from the laser cleaning head 51 to the surface of the U-rib part 4 in real time, so that the focal position 63 of the laser beam is always in a preset position, and the laser cleaning system is in the best working state. The cleaning head holder 52 is moved to an appropriate position along the displacement table 53 in accordance with the measurement result of the distance sensor 60.

As shown in fig. 16, the U-rib part 4 is sent to the laser cleaning device 7 from left to right, the laser cleaning device 7 is provided with a material detection mechanism 502, the material detection mechanism 502 projects a sensing medium onto the surface of the workpiece, so as to determine whether the material reaches a preset position by obtaining distance information of the workpiece, and the laser cleaning head 51 is started after the material detection mechanism 502 detects the U-rib part 4.

As shown in fig. 16, the laser cleaning device 7 further includes a material detection mechanism 502. The material detection mechanism 502 is used for detecting the feeding position of the U-rib part 4, and by acquiring the feeding position of the U-rib part 4, the system can accurately control the working time of the laser cleaning head 51, ensure that the laser cleaning head 51 works at necessary time, and prevent misoperation.

Roller devices 503 are arranged at the front and the back of the laser cleaning device 7, and the roller devices 503 are used for supporting the U-rib parts 4 in the laser cleaning operation process, so that the U-rib parts 4 are prevented from being deflected and shifted in position when moving on the conveyor line body 6, and the stability and the cleaning quality of the laser cleaning operation are ensured.

The invention provides a highly centralized control integrated U-rib laser cleaning production line, which solves the problems of high labor intensity of workers, unstable cleaning quality, easy damage to workpieces, serious noise and dust and the like commonly existing in the conventional manual polishing and mechanical polishing equipment.

The invention is used for cleaning a weld bead before welding of a U-rib part, and comprises a loading and unloading device, a U-rib storage rack, a conveying line body, a laser cleaning device and other functional units. The invention adopts a non-contact laser cleaning method, which is different from the traditional mechanical polishing mode. The grinding machine has the characteristics of no grinding and no contact, and effectively avoids the vibration and noise problems commonly existing in mechanical grinding.

As shown in fig. 1-3, the present invention is composed of a first loading and unloading device 1; a ground rail 2; a U-rib storage rack 3; a U rib 4; a second loading and unloading device 5; a conveyor line body 6; a set of integrated U rib laser cleaning production line composed of a plurality of functional units such as a laser cleaning device 7 and the like. The non-contact laser cleaning technology is adopted, and the operation contents of full-automatic feeding, conveying, welding bead cleaning, discharging and the like of the U-rib parts are realized through an automatic means.

The gantry type loading and unloading device 10 is located right above the conveying line body 6, the laser cleaning device 7 and the U-rib storage rack 3. The parts to be cleaned on the U rib storage rack 3 are transferred to a feeding area of the conveying line body 6 through the gantry type loading and unloading device 10, and one U rib is hoisted each time. Next, the U-rib part passes through the laser cleaning device 7 arranged at the section of the conveyor line body 6 at an appropriate speed, and laser bead cleaning is completed. After cleaning, the U-rib part 4 returns to the feeding area on the original way, and the gantry type loading and unloading device 10 unloads the U-rib part 4 to the temporary storage area of the U-rib storage rack 3, so that one operation cycle is completed. The whole production line equipment needs to be provided with a proper equipment foundation 13 as a bearing, and stable operation of the line body is ensured.

As shown in fig. 4-5, the main body of the gantry type loading and unloading device 10 is a ground rail type double-gantry transfer mechanism, which includes a first beam mechanism 21; a gantry ground rail 2; a U-rib clamp 23; a first loading and unloading gripping mechanism 24; a second loading and unloading gripping mechanism 25; the second beam mechanism 26, and the like. The first beam mechanism 21 and the second beam mechanism 26 do horizontal linear motion on the gantry ground rail 2; the first loading and unloading grabbing mechanism 24 makes horizontal linear motion on the first cross beam mechanism 21; the second loading and unloading gripping mechanism 25 makes a horizontal linear motion on the second beam mechanism 26. The U-rib clamp 23 is used for clamping the U-rib part 4 and driving the U-rib part 4 to move on a conveying roller way. This unit mainly accomplishes the U rib and moves and carry the transport, realizes going up the unloading in the automation of U rib part, solves the too big problem of workman intensity of labour that current manual work polished and mechanical equipment ubiquitous.

As shown in fig. 7-8, the U-rib cleaning rollgang consists of U-rib parts 4 to be conveyed; an inductive media 30; a rollgang frame 31; a material detection assembly 32; a first lateral guide roller 33; a second side guide roller 34; a synchronization actuator 35; a drive shaft 36; a servo drive motor 37; a linear slide assembly 38; a lifter 40; the connecting bracket 41 is used for finishing the processes of pre-positioning, cleaning, conveying and the like of the U-rib parts. After the conveyed U-rib part 4 is conveyed to the roller conveyor rack 31, the U-rib part can do horizontal linear motion on the roller conveyor.

As shown in fig. 13, the laser cleaning system is composed of a laser cleaning head 51; a cleaning head holder 52; a displacement table 53; a base 54; auxiliary cleaning air knives 55; a protective glass air knife 56; a dust collection air duct 501; a servo drive motor 58; the rotary platform 59; the distance sensor 60, etc. Two laser cleaning heads 51 are in a group, and the cleaning of the inner and outer welding beads of the U-rib part in one step is respectively completed. Cleaning head support 52 installs on displacement platform 53, and to the U rib part of different width specifications, displacement platform 53 can the automatically regulated position, ensures that laser cleaning head 51 is suitable with U rib part relative position.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.

Claims (10)

1. The utility model provides an integration U rib laser cleaning production line structure which characterized in that: the device comprises an equipment foundation, a ground rail, a U rib storage rack for placing U rib parts, and a conveying line body for conveying the U rib parts, wherein a gantry type feeding and discharging device is arranged on the ground rail and used for conveying the U rib parts from the U rib storage rack to the conveying line body and driving the U rib parts to move on the conveying line body; the ground rail, the U rib storage rack, the conveying line body and the laser cleaning device are all arranged on the equipment base and are arranged in parallel, the ground rail comprises two rails, the U rib storage rack and the conveying line body are positioned between the two rails, the U rib storage rack and the conveying line body are arranged in parallel, and the gantry type feeding and discharging device is arranged on the two rails in a crossing manner; the U rib part of waiting to wash on the U rib deposits rack is carried to conveying line body material loading district through last unloader of planer-type, and the U rib part removes and passes through the laser cleaning device that conveying line body segmentation department was arranged on the conveying line body, accomplishes the laser welding bead and washs, washs the back of accomplishing, and the material loading district is returned to on the way of the U rib part, and the U rib part is unloaded to the U rib by last unloader of planer-type and deposits rack temporary storage area to this time an operation circulation completion.

2. The integrated U-rib laser cleaning production line structure of claim 1, wherein: the gantry type loading and unloading device comprises a first loading and unloading device and a second loading and unloading device, the first loading and unloading device and the second loading and unloading device are respectively located at two ends of the ground rail, the first loading and unloading device and the second loading and unloading device cooperate to convey the U-rib parts onto the conveying line body, and the second loading and unloading device drives the U-rib parts to reciprocate on the conveying line body; the first feeding and discharging device comprises a first cross beam mechanism capable of moving along the length direction of the ground rail and a first feeding and discharging grabbing mechanism arranged on the first cross beam mechanism, the second feeding and discharging device comprises a second cross beam mechanism capable of moving along the length direction of the ground rail and a second feeding and discharging grabbing mechanism arranged on the second cross beam mechanism, and the first feeding and discharging grabbing mechanism moves horizontally and linearly on the first cross beam mechanism; the second feeding and discharging grabbing mechanism moves horizontally and linearly on the second cross beam mechanism, and U-rib clamps are arranged on the first feeding and discharging grabbing mechanism and the second feeding and discharging grabbing mechanism.

3. The integrated U-rib laser cleaning production line structure of claim 2, wherein: the U-rib clamp comprises a pressing power assembly and a dragging mechanism, when a U-rib part is conveyed to a conveying line body from a U-rib storage rack, the pressing power assembly and the dragging mechanism are matched to clamp the U-rib part together, the dragging mechanism is used for hooking and supporting the U-rib part, the pressing power assembly compresses the upper surface of the U-rib part, a fork material on-position detection mechanism is arranged close to the dragging mechanism, the U-rib clamp further comprises a hydraulic locking mechanism, when the U-rib part is conveyed to the conveying line body, the U-rib part is pushed and conveyed to the conveying line body, the U-rib part is only clamped by the hydraulic locking mechanism, a hydraulic locking detection mechanism is arranged close to the hydraulic locking mechanism and used for detecting material abnormity of the hydraulic locking mechanism, the fork material on-position detection mechanism is used for detecting material abnormity of the dragging mechanism, the hydraulic locking detection mechanism and the fork material on-position detection mechanism judge whether the U-rib part is grabbed in place or not through a mode of projecting an induction medium to the surface of the U-rib part, and if the U-rib part is not detected, the U-rib part is stopped and the U-rib part is detected.

4. The integrated U-rib laser cleaning production line structure of claim 1, wherein: the conveying line body comprises a conveying roller way rack, a plurality of carrier roller devices for supporting U-rib parts are arranged along the length direction of the conveying roller way rack, a movable first side guide roller and a fixed second side guide roller are further arranged on the conveying roller way rack, the width direction of the U-rib parts is along the width direction of the U-rib parts, the first side guide roller is arranged on one side of the conveying roller way rack, the second side guide roller is arranged on the other side of the conveying roller way rack, and a side guide driving device for driving the first side guide roller to be close to or far away from the second side guide roller is further arranged on the conveying roller way rack.

5. The integrated U-rib laser cleaning production line structure of claim 4, wherein: side position direction drive arrangement includes servo drive motor, synchronous drive ware, the transmission shaft, the riser, servo drive motor lug connection synchronous drive ware, the riser passes through the transmission shaft and is connected with synchronous drive ware transmission, first side position guide roll passes through linking bridge and links to each other with the riser, under the drive of riser, first side position guide roll is close to or keeps away from second side position guide roll, first side position guide roll slides and installs on linear sliding rail set spare, linear sliding rail set spare along the line removes.

6. The integrated U-rib laser cleaning production line structure of claim 5, wherein: be equipped with material detection subassembly in the rollgang frame, this detection subassembly is through throwing induction medium to U rib part surface to judge whether the material reachs preset position through the distance information who acquires the U rib part, material detection subassembly starts the distance between servo drive motor adjustment first side position guide roll and the second side position guide roll after detecting the U rib part, make the U rib part by spacing between first side position guide roll and second side position guide roll, ensure that the U rib part homoenergetic of different width effectively obtains the location direction.

7. The integrated U-rib laser cleaning line structure of claim 1, wherein: the U rib deposits the rack and includes the rack body, the U rib part is temporarily stored on the rack body, be equipped with a plurality of spuds on the rack body, each the spud is followed the length direction interval of rack body sets up, and U rib part cover is on the spud, the U rib part of the spud being convenient for keep in is fixed a position when putting.

8. The integrated U-rib laser cleaning production line structure of claim 1, wherein: carrier roller devices are arranged in front of and behind the laser cleaning device along the conveying direction of the U-rib part, the laser cleaning device comprises laser cleaning heads, a cleaning head support, a displacement table and a base, the displacement table is arranged on the base, the cleaning head support is slidably arranged on the displacement table, two laser cleaning heads are arranged on the cleaning head support in a group, the U-rib part comprises an outer welding bead and an inner welding bead, one laser cleaning head on the cleaning head support is used for cleaning the outer welding bead, and the other laser cleaning head on the cleaning head support is used for cleaning the inner welding bead; the laser cleaning head is provided with an auxiliary cleaning air knife and a dust collection air pipe, the auxiliary cleaning air knife and the dust collection air pipe are arranged close to the U-rib part, the auxiliary cleaning air knife is externally connected with compressed air, a knife edge directly faces to a cleaning working surface, smoke dust, particles and stripping substances generated in the laser cleaning process are blown away from the surface of the U-rib part under the action of air flow, and the smoke dust, the particles and the stripping substances are collected through the dust collection air pipe after being blown away from the surface of the U-rib part, so that the smoke dust, the particles and the stripping substances in the cleaning process are effectively collected; the laser cleaning head is also provided with a protective mirror air knife for protecting the laser cleaning head, the protective mirror air knife is arranged close to the laser cleaning head, and the protective mirror air knife is externally connected with high-pressure air, so that particulate matters and smoke dust generated in the cleaning process can be efficiently blown away from the laser cleaning head, and the effective working time of the laser cleaning head is prolonged; the laser cleaning head is also provided with a distance sensor, and the distance sensor is used for detecting the distance from the laser cleaning head to the surface of the U-shaped rib part in real time, so that the focal position of a laser beam is always in a preset position, and the laser cleaning system is in the best working state.

9. The integrated U-rib laser cleaning line structure of claim 8, wherein: the cleaning head support is provided with a cleaning head lifting assembly, and the cleaning head lifting assembly is used for automatically adapting to U-rib parts with different height sizes in the laser cleaning process; the cleaning head lifting assembly is provided with a rotating platform for adjusting the direction of the laser cleaning head and a servo driving motor for driving the rotating platform to rotate, and the rotating platform is driven by the servo driving motor to rotate around a horizontal shaft so as to drive the angle of the laser cleaning head to change; when the U-rib part is conveyed to the laser cleaning device by the conveying line body, the cleaning head support is moved to a proper position along the displacement table according to the measuring result of the distance sensor, the cleaning head lifting assembly is adjusted to a proper height, and the rotating platform drives the laser cleaning head to rotate to a proper angle.

10. The integrated U-rib laser cleaning line structure of claim 9, wherein: the laser cleaning device is provided with a material detection mechanism on one side away from the U rib storage rack, the material detection mechanism is used for ensuring that the U rib parts reach the preset position of the laser cleaning device, and the laser cleaning head is started to clean the U rib parts after the material detection mechanism detects the U rib parts.

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