CN117359150A - Automatic production line for guardrail welding and processing method - Google Patents
Automatic production line for guardrail welding and processing method Download PDFInfo
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- CN117359150A CN117359150A CN202311630610.5A CN202311630610A CN117359150A CN 117359150 A CN117359150 A CN 117359150A CN 202311630610 A CN202311630610 A CN 202311630610A CN 117359150 A CN117359150 A CN 117359150A
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- 238000003466 welding Methods 0.000 title claims abstract description 162
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 35
- 238000003672 processing method Methods 0.000 title claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims description 65
- 238000007599 discharging Methods 0.000 claims description 12
- 238000003825 pressing Methods 0.000 claims description 11
- 238000003754 machining Methods 0.000 claims description 6
- 230000006978 adaptation Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 10
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004422 calculation algorithm Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003708 edge detection Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000010801 machine learning Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007637 random forest analysis Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012706 support-vector machine Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention belongs to the technical field of mechanical automation equipment, and particularly relates to an automatic production line for guardrail welding and a processing method. The guardrail finished products are transferred to the finished product stacking area, and the automatic welding production line is used for replacing manual work by machinery, so that the manual labor intensity is greatly reduced. The welding efficiency and the welding precision are improved, and the method is suitable for a modern large-scale welding production mode.
Description
Technical Field
The invention belongs to the technical field of mechanical automation equipment, and particularly relates to an automatic production line for guardrail welding and a processing method.
Background
The guard rail is used for preventing danger caused by falling of people or articles and preventing accidents. The guard rail is classified as road condition guard rail, house balcony or window frame guard rail. The structure is composed of two transverse bars which are arranged one above the other and a plurality of vertical bars which are connected with the two transverse bars, and the connection mode is generally an indirect structure. During manufacturing, the two ends of the cross bars and the main bars are welded at certain intervals. Most of the existing production and processing modes are manually operated, the mode is time-consuming and labor-consuming, the precision is low, and welders with insufficient experience often have unstable welding and have insufficient speed, so that the quality and the output of products are seriously affected, and the method is difficult to adapt to a large-scale welding production mode. Therefore, it is necessary to design a high-efficiency welding production device for traffic isolation belt guardrails, so as to solve the problems.
The above information disclosed in the above background section is only for enhancement of understanding of the background art for the technology described herein and therefore it may contain some information that does not form the prior art that is already known in the country to a person of ordinary skill in the art.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides an automatic guardrail welding production line and a machining method.
The technical scheme adopted by the invention is as follows:
an automated guardrail welding production line comprising: the device comprises a feeding mechanism, a welding workbench, a discharging mechanism and a main control device, wherein the feeding mechanism and the discharging mechanism are respectively positioned at two sides of the welding workbench; the feeding mechanism is used for collecting image information of the guardrail components and transferring the guardrail components to the welding workbench through the mechanical arm; the welding workbench is used for identifying welding points of the guardrail components, and automatically identifying and welding the welding points through the welding gun heads; and the blanking mechanism automatically extracts the guardrail finished products. And transferring the guardrail finished product to a finished product stacking area.
In some embodiments, the feeding mechanism comprises a feeding mechanical arm, a first image recognition device is arranged at the end part of the feeding mechanical arm, and the first image recognition device and the feeding mechanical arm are respectively and electrically connected with the main control device.
In some embodiments, the welding workbench comprises a processing table surface, a second image recognition device, a welding mechanism and a guardrail positioning mechanism, wherein the processing table surface comprises a rack, the second image recognition device is arranged on the rack and used for obtaining welding spot graphical information of the guardrail and positioning the welding spot, the welding mechanism is arranged on the rack and used for carrying out welding treatment on the welding spot, and the guardrail positioning mechanism is arranged on the rack and used for clamping and fixing the welded guardrail.
In a further embodiment, the frame comprises a cross beam and a side beam at the top, the welding mechanism comprises a walking beam, an automatic welding gun module, a first driving module and a second driving module, the walking beam is arranged on the side beam of the frame, the walking beam is controlled to reciprocate along the length direction of the frame through the first driving module, the automatic welding gun module is arranged on the walking beam, the automatic welding gun module is controlled to reciprocate along the width direction of the frame through the second driving module, and the guardrail member is transferred to the surface of the frame through the feeding mechanical arm. And the welding is carried out through an automatic welding gun module, and the welding is finished and then is fixed on the surface of the frame through a guardrail positioning mechanism.
In a further embodiment, the first driving module comprises a first rack arranged on two sides Liang Cebu of the frame, a first motor arranged on two ends of the walking beam, and a first gear fixedly arranged on the end part of the output shaft of the first motor, wherein the first gear is in meshed connection with the first rack, and the first motor is fixedly arranged on the end part of the walking beam through a motor frame.
In a further embodiment, the second driving module includes: the second rack is arranged in the strip-shaped groove, and the tooth-shaped direction of the second rack is arranged along the horizontal direction; the second gear is arranged in the strip-shaped groove and is meshed with the second rack, and the second gear is fixedly arranged at the end part of an output shaft of the second motor; the two sides of the top end of the strip-shaped groove are provided with sliding rails, a moving plate is connected to the sliding rails in a sliding mode, and the second motor is fixedly installed on the moving plate through a motor frame.
In some embodiments, the guardrail positioning mechanism comprises a first clamping unit and a second clamping unit which are oppositely arranged at two sides of the rack, and the first clamping unit and the second clamping unit have the same structure, except that mirror images are arranged at two sides of the rack; the guardrail is fixed through the centre gripping of first clamping unit and second clamping unit respectively along length direction's both sides, still is provided with the interval adjustment subassembly that is used for adjusting the distance between first clamping unit and the second clamping unit in the frame, can adjust the interval of first clamping unit and second clamping unit in the frame through interval adjustment subassembly, makes the guardrail of its adaptation different width.
In a further embodiment, the spacing adjustment assembly includes: the first lead screw is arranged at the lower side of the cross beam, two ends of the first lead screw are connected to the frame through bearing blocks, a first sliding block is arranged on the first lead screw, the first sliding block is fixedly connected with the second clamping unit, and a hand rocker is arranged at the end part of the first lead screw.
In a further embodiment, the first clamping unit and the second clamping unit comprise a variable-pitch positioning assembly and a cylinder pressing assembly, the variable-pitch positioning assembly is matched with the bottom of the guardrail and the inner wall of the square grid for transversely limiting the guardrail, and the cylinder pressing assembly is matched with the top of the guardrail for vertically limiting the guardrail.
In a further embodiment, the variable pitch positioning assembly comprises: the bottom plate, be provided with along bottom plate length direction cut fork expansion bracket one end fixed connection on the bottom plate, the other end is the free end, cut fork expansion bracket lateral part equidistant a plurality of locating pieces of having set firmly, the effect of locating piece is for the side that is used for bearing the guardrail, is sliding connection between locating piece and the bottom plate, and the locating piece top is the step form, the bottom surface of step and the bottom surface contact of guardrail for the support guardrail, the lateral wall of step and the square lateral wall contact of guardrail, be used for carrying out the horizontal spacing to the guardrail.
In a further embodiment, the two ends of the scissor type telescopic frame are provided with telescopic driving assemblies, and the telescopic driving assemblies are driven by a motor and can drive the scissor type telescopic frame to reciprocate along the length of the bottom plate along the positioning block at the bottom.
In a further embodiment, the telescopic driving assembly comprises a telescopic motor, the telescopic motor is fixedly arranged on the bottom plate through a motor frame, an output shaft of the telescopic motor is fixedly connected with a second screw rod, two ends of the second screw rod are installed on the bottom plate through bearing seats, a second sliding block is connected to the second screw rod in a threaded mode, and the bottom of the second sliding block is attached to the surface of the bottom plate.
In a further embodiment, the cylinder pressing assembly comprises a mounting shell, the mounting shell is fixedly arranged on the bottom plate, the telescopic driving assembly is covered below, and a plurality of pressing cylinders are arranged on the mounting shell at equal intervals.
An automatic machining method for guardrail welding is based on the automatic guardrail welding production line, so that automatic guardrail welding production is realized.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
in general, compared with the manual welding mode in the prior art, the automatic feeding of the components such as the transverse bars, the vertical bars and the like can be realized through the scheme, the size information of the guardrails can be automatically identified through the first image identification device, the guardrail positioning mechanism is controlled to adjust the parameters according to the size of the guardrails, the guardrails of different types can be automatically clamped and positioned, the second image identification device is arranged on the welding mechanism, welding spots on the guardrails are identified, the welding gun is controlled to sequentially weld the welding spots, and after welding is finished, the finished guardrail products are automatically taken through the blanking mechanism. The guardrail finished products are transferred to the finished product stacking area, and the automatic welding production line is used for replacing manual work by machinery, so that the manual labor intensity is greatly reduced. The welding efficiency and the welding precision are improved, and the method is suitable for a modern large-scale welding production mode.
Drawings
The invention will now be described by way of example and with reference to the accompanying drawings in which:
FIG. 1 is a perspective view of an automated guardrail welding line of the present invention;
FIG. 2 is a top view of the guardrail welding automation line of FIG. 1;
FIG. 3 is a schematic view of the welding table (holding large-sized workpieces) of FIGS. 1 and 2;
FIG. 4 is a schematic view of the welding mechanism of FIG. 3;
FIG. 5 is a schematic view of the welding table (holding small-sized workpieces) of FIGS. 1 and 2;
FIG. 6 is a schematic view of the intermediate distance adjustment assembly of FIG. 3;
FIG. 7 is a schematic view of the first clamping unit and the second clamping unit in FIG. 3;
fig. 8 is an enlarged schematic view of fig. 7 at a.
Reference numerals:
the automatic welding machine comprises a feeding mechanism 1, a welding workbench 2, a discharging mechanism 3, a main control device 4, a feeding mechanical arm 5, an air compressor 6, a frame 7, a cross beam 8, a side beam 9, a walking beam 10, an automatic welding gun module 11, a first driving module 12, a second driving module 13, an L-shaped connecting plate 14, a bar groove 15, a first rack 16, a first gear 17, a first motor 18, a second rack 19, a second gear 20, a second motor 21, a moving plate 22, a welding gun head 23, a first clamping unit 24, a second clamping unit 25, a distance adjusting component 26, a first screw rod 27, a first sliding block 28, a hand lever 29, a bottom plate 30, a scissor type telescopic frame 31, a positioning block 32, a telescopic motor 33, a second screw rod 34, a second sliding block 35, a mounting shell 36, a pressing cylinder 37, a discharging mechanical arm 38 and a guardrail finished product 39.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, which are generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, as provided in the accompanying drawings, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, are intended to be within the scope of the present application.
In the description of the embodiments of the present application, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in use of the inventive product, are merely for convenience of description and simplicity of description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Example 1:
the embodiment provides an aspect and provides an automatic production line for guardrail welding and a processing method, referring to fig. 1 and 2, the automatic production line comprises a feeding mechanism 1, a welding workbench 2, a discharging mechanism 3 and a main control device 4, wherein the feeding mechanism 1 and the discharging mechanism 3 are respectively positioned at two sides of the welding workbench 2, a feeding mechanical arm 5 and a first image recognition device are arranged in the feeding mechanism 1, and the processing method based on the production line comprises the following steps: the horizontal bar, the vertical bar and other components are transferred to the welding workbench 2 through the feeding mechanical arm 5, the first image recognition device is matched with the feeding mechanical arm 5 and used for carrying out size recognition on the horizontal bar and the vertical bar components, a machining table top, a second image recognition device, a welding mechanism and a guardrail positioning mechanism are arranged in the welding workbench 2, the horizontal bar, the vertical bar and other components are fixed on the machining table top through the guardrail positioning mechanism, the second image recognition device is used for recognizing welding points of guardrails, the welding mechanism is matched with the second image recognition device and used for carrying out automatic recognition and welding on the welding points of the guardrails, and after welding is finished, the guardrail finished products 39 are automatically taken through the blanking mechanism 3. The guardrail finish 39 is transferred to the finish stacking area.
Compared with the manual welding mode in the prior art, the automatic feeding of the components such as the transverse bars and the vertical bars can be realized through the scheme, the size information of the guardrails can be automatically identified through the first image identification device, the guardrails are controlled to be positioned according to the size of the guardrails, the guardrails of different types can be automatically clamped and positioned by the control of the guardrail positioning mechanism, the welding mechanism is provided with the second image identification device, welding spots on the guardrails are identified, welding guns are controlled to sequentially weld the welding spots, and after welding is finished, the guardrail finished products 39 are automatically taken through the blanking mechanism 3. The guardrail finished product 39 is transferred to the finished product stacking area, and the automatic welding production line replaces manual work by machinery, so that the manual labor intensity is greatly reduced. The welding efficiency and the welding precision are improved, and the method is suitable for a modern large-scale welding production mode.
Example 2:
on the basis of embodiment 1, this embodiment provides a specific implementation manner of the feeding mechanism 1, refer to fig. 1 and 2, specifically, the feeding mechanism 1 includes a feeding mechanical arm 5, a first image recognition device is disposed at an end of the feeding mechanical arm 5, optionally, the first image recognition device adopts a high-definition camera, the first image recognition device and the feeding mechanical arm 5 are respectively electrically connected with the main control device 4, an operator inputs guardrail model information in advance, the main control device 4 analyzes the model of a required component according to the guardrail model information processed at this time, and the main control device is matched with the first image recognition device to grasp components such as a horizontal bar and a vertical bar with corresponding sizes onto the welding workbench 2.
Example 3:
on the basis of embodiments 1 and 2, this embodiment provides a specific implementation manner of the welding workbench 2, referring to fig. 3 to 5, the welding workbench 2 includes a processing table top, a second image recognition device, a welding mechanism and a guardrail positioning mechanism, the processing table top includes a frame 7, the guardrail positioning mechanism is installed on the frame 7 and is used for clamping and fixing a guardrail, the second image recognition device is installed on the frame 7 and is used for acquiring welding spot graphic information of the guardrail and positioning welding spots, and the welding mechanism is installed on the frame 7 and is used for performing welding treatment on the welding spots.
The frame 7 is of a steel frame structure and comprises a cross beam 8 and a side beam 9 at the top, the length direction of the frame 7 is set to be the Y-axis direction, the width direction of the frame 7 is the Z-axis direction, the direction perpendicular to the horizontal plane is the axis direction, a plurality of supporting legs are arranged below the cross beam 8 and the side beam 9, and disc-shaped bases are arranged at the bottoms of the supporting legs.
The welding mechanism comprises a walking beam 10, an automatic welding gun module 11, a first driving module 12 and a second driving module 13, wherein the walking beam 10 is arranged on a side beam 9 of the frame 7, the walking beam 10 is controlled to reciprocate along the length direction of the frame 7 through the first driving module 12, the automatic welding gun module 11 is arranged on the walking beam 10, the automatic welding gun module 11 is controlled to reciprocate along the width direction of the frame 7 through the second driving module 13, and the guardrail member is clamped on the surface of the frame 7 through a feeding mechanical arm. The welding is carried out through an automatic welding gun module 11, and the welding is finished and then is fixed on the surface of the frame 7 through a guardrail positioning mechanism; the automatic welding gun module 11 is provided with the cylinder itself, and adjustable soldered connection is at vertical height, through above-mentioned, first drive module 12 and the space X, Y, Z triaxial coordinate of the adjustable automatic welding gun module 11 of second drive module 13, and then realize welding arbitrary point position on the guardrail.
In a further embodiment, the walking beam 10 includes a body and two L-shaped connection plates 14, the L-shaped connection plates 14 are disposed below two ends of the body, the L-shaped connection plates 14 are connected with the side beams 9 of the frame 7 through the first driving modules 12, and the walking beam 10 is driven to move on the side beams 9 of the frame 7 through the first driving modules 12; and further, the coordinate of the automatic welding gun module 11 in the Y-axis direction can be adjusted; the automatic welding gun module 11 is connected with the cross beam 8 through the second driving module 13, and the automatic welding gun module 11 is driven to move in the bar groove 15 through the second driving module 13, so that the coordinate of the automatic welding gun module 11 in the X-axis direction can be adjusted.
Further, the first driving module 12 includes a first rack 16 disposed on the sides of the beams 9 on the frame 7, a first motor 18 disposed on the two ends of the walking beam 10, and a first gear 17 fixedly disposed on the output shaft end of the first motor 18, where the first gear 17 is engaged with the first rack 16, and the first motor 18 is fixedly mounted on the end of the walking beam 10 through a motor frame, and through the above structure, the first motor 18 controls the first gear 17 to rotate, and drives the walking beam 10 to move on the side beams 9 of the frame 7 along the length direction of the first rack 16 through the power transmission of the first rack 16 by the first motor 18. The first motor 18 is vertically fixed on the L-shaped connecting plate 14 through a motor frame, an output shaft of the motor penetrates through the L-shaped connecting plate 14, a first rack 16 on the side beam 9 is positioned on the lower side of the L-shaped connecting plate 14, and a first gear 17 fixedly arranged on the output shaft of the first motor 18 is meshed and connected with the first rack 16.
Further, the second driving module 13 includes:
a second rack 19 provided in the bar-shaped groove 15, the tooth-shaped direction of the second rack 19 being provided in the horizontal direction;
the second gear 20 is arranged in the strip-shaped groove 15 and is in meshed connection with the second rack 19, and the second gear 20 is fixedly arranged at the end part of an output shaft of the second motor 21;
the two sides of the top end of the bar-shaped groove 15 are slide rails, a movable plate 22 is slidably connected to the slide rails, the second motor 21 is fixedly installed on the movable plate 22 through a motor frame, under the driving of the output end of the second motor 21, the power transmission of the second gear 20 and the second rack 19 drives the movable plate 22 to slide along the length direction of the slide rails, the automatic welding gun module 11 is fixedly installed on the movable plate 22, and then the coordinate of the automatic welding gun module 11 in the X-axis direction can be adjusted.
The two sides of the top of the specific bar-shaped groove 15 are sliding rails, the moving plate 22 is of a flat plate structure, the bottom of the moving plate is provided with sliding grooves matched with the sliding rails, and the moving plate 22 can slide on the top of the bar-shaped groove 15 through the sliding rail sliding groove structure.
It should be noted that, the automatic welding gun module 11 is the existing known technology, the automatic welding gun module 11 includes the vertical mounting panel that is connected with the movable plate 22, set firmly flexible cylinder on the mounting panel, frame 7 rear is provided with the air compressor machine 6 that is connected with flexible cylinder, is provided with vertical slide rail on the mounting panel, sliding connection has the slider on the vertical slide rail, slide rail and the piston end fixed connection of cylinder, welder head 23 fixed connection is on the slider, can drive welder head 23 on the slider through flexible cylinder and adjust the position in the Z axle direction.
The working principle of the welding mechanism is as follows:
the second image recognition device on the welding mechanism recognizes welding spots on the guardrails, and can regulate and control the walking beam 10 to reciprocate on the side beam 9 of the frame 7 through the first driving module 12, so as to regulate and control the coordinates of the welding gun head 23 in the Y-axis direction; the second driving module 13 is used for adjusting the automatic welding gun module 11 to reciprocate on the walking beam 10 so as to adjust and control the coordinate of the welding gun head 23 in the X-axis direction; the welding gun head 23 can be adjusted to reciprocate in the vertical direction through the telescopic cylinder of the automatic welding gun module 11, so that the coordinate of the welding gun head 23 in the Z-axis direction can be adjusted and controlled; the space X, Y, Z triaxial coordinates of the welding gun head 23 are regulated and controlled mechanically and automatically, so that any point on the guardrail is welded, and the welding efficiency and the quality of a welding finished product can be improved.
The guardrail positioning mechanism comprises a first clamping unit 24 and a second clamping unit 25 which are oppositely arranged at two sides of the frame 7, and the first clamping unit 24 and the second clamping unit 25 have the same structure and are arranged at two sides of the frame 7 in a mirror image manner; the guardrails of different specifications are different in length and width and the sizes among the internal grids, the guardrails to be welded are placed along the length direction of the frame 7, the two sides of the guardrails which are being welded along the length direction are respectively clamped and fixed through the first clamping unit 24 and the second clamping unit 25, the frame 7 is further provided with a spacing adjusting component 26 for adjusting the distance between the first clamping unit 24 and the second clamping unit 25, and the spacing between the first clamping unit 24 and the second clamping unit 25 on the frame 7 can be adjusted through the spacing adjusting component 26, so that the guardrails with different widths are adapted.
Further, the first clamping unit 24 is fixedly arranged on a side beam 9 of the frame 7, the second clamping unit 25 is slidably arranged on a cross beam 8 in the middle of the frame 7, a sliding rail is arranged on the cross beam 8, a sliding groove is correspondingly arranged at the bottom of the second clamping unit 25, the second clamping unit 25 can move on the cross beam 8 along the sliding rail direction, and the interval adjusting assembly 26 is used for driving the second clamping unit 25 to move on the cross beam 8 along the sliding rail direction.
Further, referring to fig. 6, the spacing adjustment assembly 26 includes: the first lead screw 27 is arranged at the lower side of the cross beam 8, two ends of the first lead screw 27 are connected to the frame 7 through bearing blocks, a first sliding block 28 is arranged on the first lead screw 27, the first sliding block 28 is fixedly connected with the second clamping unit 25, and a hand rocker 29 is arranged at the end part of the first lead screw 27. Through the structure, referring to fig. 3, when the workpiece is a large-size guardrail, the position of the second clamping unit on the rack is not required to be adjusted, and the two sides of the guardrail are directly clamped and fixed through the first clamping unit and the second clamping unit; referring to fig. 5, when the guardrail with smaller size needs to be clamped and positioned, the first screw rod is controlled to rotate through the hand crank, the first sliding block on the first screw rod is driven to move along the length direction of the first screw rod, and then the second clamping unit is driven to move along the direction of the sliding rail on the cross beam, so that the distance between the first clamping unit and the second clamping unit is adjusted to be just consistent with the width of the guardrail, and the guardrail clamping and positioning mechanism can adapt to the guardrail with different width sizes.
In this embodiment, referring to fig. 7, the first clamping unit 24 and the second clamping unit 25 each include a variable-pitch positioning assembly and a cylinder pressing assembly, where the variable-pitch positioning assembly is matched with the bottom of the guardrail and the inner wall of the square lattice for transversely limiting the guardrail, and the cylinder pressing assembly is matched with the top of the guardrail for vertically limiting the guardrail.
Further, referring to fig. 8, the variable-pitch positioning assembly includes: the bottom plate 30, along bottom plate 30 length direction be provided with cut fork expansion bracket 31's one end fixed connection on bottom plate 30, the other end is the free end, cut fork expansion bracket 31 lateral part equidistant has set firmly a plurality of locating pieces 32, the effect of locating piece 32 is for the side that is used for the bearing guardrail, be sliding connection between locating piece 32 and the bottom plate 30, the locating piece 32 top is the step form, the bottom surface of step and the bottom surface contact of guardrail for the bearing guardrail, the lateral wall of step and the square lateral wall contact of guardrail for carry out the horizontal spacing to the guardrail.
The locating block 32 is L-shaped, the bottom of the locating block 32 is provided with a groove, the bottom plate 30 is provided with a protruding block along the length direction, and the groove is matched with the protruding block, so that the locating block 32 can slide along the length direction of the protruding block.
The two ends of the scissor type expansion bracket 31 are provided with telescopic driving components, and the telescopic driving components are driven by a motor to drive the scissor type expansion bracket 31 to reciprocate along the length of the bottom plate 30 along the positioning block 32 at the bottom.
The telescopic driving assembly comprises a telescopic motor 33, the telescopic motor 33 is fixedly arranged on the bottom plate 30 through a motor frame, a second screw rod 34 is fixedly connected to an output shaft of the telescopic motor 33, two ends of the second screw rod 34 are mounted on the bottom plate 30 through bearing seats, a second sliding block 35 is connected to the second screw rod 34 in a threaded mode, and the bottom of the second sliding block 35 is attached to the surface of the bottom plate 30.
The cylinder pushing assembly comprises a mounting shell 36, the mounting shell 36 is fixedly arranged on the bottom plate 30, the telescopic driving assembly is covered below, and a plurality of pushing cylinders 37 are arranged on the mounting shell 36 at equal intervals.
The operating principle of guardrail positioning mechanism is when using:
through setting up first clamping unit 24 and second clamping unit 25 on frame 7, first clamping unit 24 and second clamping unit 25 carry out the centre gripping location to the both sides limit of guardrail respectively, and interval between first clamping unit 24 and the second clamping unit 25 passes through interval adjustment subassembly 26 and adjusts, makes it can adapt to the guardrail size of different width, be provided with the scissors fork expansion bracket 31 of adjustable locating piece 32 interval in the structure of first clamping unit 24 and second clamping unit 25, scissors fork expansion bracket 31 passes through motor drive, can set for motor rotation angle parameter in advance according to the guardrail of different models, makes it can be with the inside square size of interval adaptation different models guardrail between the adjacent locating piece 32, through above-mentioned, can replace manual regulation through mechanical automatization, very big promotion the welding process efficiency of guardrail.
Example 4:
based on embodiments 1, 2, and 3, this embodiment provides a specific implementation manner of the discharging mechanism 3, specifically, the discharging mechanism 3 includes a third image recognition device, and as above, the third image recognition device selects a high-definition industrial camera, and is electrically connected with the main control device 4, so as to obtain graphic information of the welded guardrail finished product 39, and the welded guardrail is transferred to the finished product stacking area by the discharging mechanical arm 38 in cooperation with the discharging mechanical arm 38.
It should be noted that, the motherboard controller and the automatic control program thereof according to the present invention are all applicable to the present invention according to the principle similar to the control program in the prior art by those skilled in the art, and are not all the inventive aspects of the present invention. In addition, the circuit, the electronic components and the modules are all in the prior art, and can be completely realized by a person skilled in the art, and needless to say, the protection of the invention does not relate to the improvement of software and a method.
The first image recognition device, the second image recognition device and the third image recognition device are all high-definition industrial cameras electrically connected with the main control device, collected graphic data are transmitted to the main control device, data processing is performed based on a machine learning model, various feature extraction algorithms such as edge detection, texture feature extraction and the like can be used for extracting features of images in image recognition, and then classification or recognition is performed by using a classifier such as a support vector machine, random forest and the like for size and model of the components and guardrail finished products 39.
Example 5:
the invention further provides an automatic guardrail welding processing method based on the automatic guardrail welding production line, so that automatic guardrail welding production is realized.
Through the method, automatic feeding of components such as the transverse bars and the vertical bars can be realized, the size information of the guardrails can be automatically identified through the first image identification device, the guardrails are controlled to be positioned by the positioning mechanism according to the size of the guardrails, the guardrails of different types can be automatically clamped and positioned, the welding mechanism is provided with the second image identification device, welding spots on the guardrails are identified, welding guns are controlled to sequentially weld the welding spots, and after welding is finished, the guardrail finished products are automatically taken through the blanking mechanism. The guardrail finished products are transferred to the finished product stacking area, and the automatic welding production line is used for replacing manual work by machinery, so that the manual labor intensity is greatly reduced. The welding efficiency and the welding precision are improved, and the method is suitable for a modern large-scale welding production mode.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. An automatic guardrail welding production line, which is characterized by comprising: the device comprises a feeding mechanism, a welding workbench, a discharging mechanism and a main control device, wherein the feeding mechanism and the discharging mechanism are respectively positioned at two sides of the welding workbench; the feeding mechanism is used for collecting image information of the guardrail components and transferring the guardrail components to the welding workbench through the mechanical arm; the welding workbench is used for identifying welding points of the guardrail components, and automatically identifying and welding the welding points through the welding gun heads; and the blanking mechanism automatically takes the guardrail finished products and transfers the guardrail finished products to a finished product stacking area.
2. The automatic guardrail welding production line according to claim 1, wherein the feeding mechanism comprises a feeding mechanical arm, a first image recognition device is arranged at the end part of the feeding mechanical arm, and the first image recognition device and the feeding mechanical arm are respectively and electrically connected with the main control device.
3. The automatic guardrail welding production line according to claim 1, wherein the welding workbench comprises a machining table top, a second image recognition device, a welding mechanism and a guardrail positioning mechanism, the machining table top comprises a frame, the second image recognition device is installed on the frame and used for obtaining welding spot graphic information of the guardrail and positioning the welding spot, the welding mechanism is installed on the frame and used for carrying out welding treatment on the welding spot, and the guardrail positioning mechanism is installed on the frame and used for clamping and fixing the welded guardrail.
4. The automatic guardrail welding production line according to claim 3, wherein the frame comprises a cross beam and a side beam at the top, the welding mechanism comprises a walking beam, an automatic welding gun module, a first driving module and a second driving module, the walking beam is arranged on the side beam of the frame, the walking beam is controlled to reciprocate along the length direction of the frame by the first driving module, the automatic welding gun module is arranged on the walking beam and is controlled to reciprocate along the width direction of the frame by the second driving module, the guardrail member is transferred to the surface of the frame by a feeding mechanical arm and is electrically welded by the automatic welding gun module, and the guardrail member is fixed on the surface of the frame by a guardrail positioning mechanism after welding.
5. The automated guardrail welding production line of claim 4, wherein the first driving module comprises a first rack arranged on two sides Liang Cebu of the frame, a first motor arranged on two ends of the walking beam, and a first gear fixedly arranged on the end part of an output shaft of the first motor, wherein the first gear is meshed with the first rack, and the first motor is fixedly arranged on the end part of the walking beam through a motor frame.
6. The automated guardrail welding line of claim 4, wherein the second drive module comprises: the second rack is arranged in the strip-shaped groove, and the tooth-shaped direction of the second rack is arranged along the horizontal direction; the second gear is arranged in the strip-shaped groove and is meshed with the second rack, and the second gear is fixedly arranged at the end part of an output shaft of the second motor; the two sides of the top end of the strip-shaped groove are provided with sliding rails, a moving plate is connected to the sliding rails in a sliding mode, and the second motor is fixedly installed on the moving plate through a motor frame.
7. The automatic guardrail welding production line according to claim 3, wherein the guardrail positioning mechanism comprises a first clamping unit and a second clamping unit which are oppositely arranged at two sides of the rack, and the first clamping unit and the second clamping unit have the same structure and are arranged at two sides of the rack in a mirror image manner; the guardrail is fixed through the centre gripping of first clamping unit and second clamping unit respectively along length direction's both sides, still is provided with the interval adjustment subassembly that is used for adjusting the distance between first clamping unit and the second clamping unit in the frame, can adjust the interval of first clamping unit and second clamping unit in the frame through interval adjustment subassembly, makes the guardrail of its adaptation different width.
8. The automated guardrail welding production line of claim 7, wherein the spacing adjustment assembly comprises: the first lead screw is arranged at the lower side of the cross beam, two ends of the first lead screw are connected to the frame through bearing blocks, a first sliding block is arranged on the first lead screw, the first sliding block is fixedly connected with the second clamping unit, and a hand rocker is arranged at the end part of the first lead screw.
9. The automatic guardrail welding production line according to claim 7, wherein the first clamping unit and the second clamping unit comprise a variable-pitch positioning assembly and a cylinder pressing assembly, the variable-pitch positioning assembly is matched with the bottom of the guardrail and the inner wall of the square grid and used for transversely limiting the guardrail, the cylinder pressing assembly is matched with the top of the guardrail and used for vertically limiting the guardrail, the cylinder pressing assembly comprises a mounting shell, the mounting shell is fixedly arranged on a bottom plate, the telescopic driving assembly is covered below, and a plurality of pressing cylinders are arranged on the mounting shell at equal intervals.
10. An automatic guardrail welding processing method is characterized in that the automatic guardrail welding production line is based on any one of the claims 1-9 so as to realize automatic guardrail welding production.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311630610.5A CN117359150A (en) | 2023-12-01 | 2023-12-01 | Automatic production line for guardrail welding and processing method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311630610.5A CN117359150A (en) | 2023-12-01 | 2023-12-01 | Automatic production line for guardrail welding and processing method |
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