CN209953685U - Automatic transmission, bending and welding integrated device for main reinforcement of large-span box girder - Google Patents
Automatic transmission, bending and welding integrated device for main reinforcement of large-span box girder Download PDFInfo
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- CN209953685U CN209953685U CN201920142551.XU CN201920142551U CN209953685U CN 209953685 U CN209953685 U CN 209953685U CN 201920142551 U CN201920142551 U CN 201920142551U CN 209953685 U CN209953685 U CN 209953685U
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- 238000005452 bending Methods 0.000 title claims abstract description 205
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Abstract
An automatic transmission, bending and welding integrated device for a main reinforcement of a large-span box girder comprises a bending platform, a welding device, a transmission device and a rotating device, wherein the welding device, the transmission device and the rotating device are arranged on the bending platform; the bending platforms comprise N bending platforms which are arranged at intervals, wherein N is greater than or equal to 2; a welding device is arranged corresponding to each bending platform; the transmission devices are correspondingly N +1 sets; one bending platform is arranged between every two adjacent sets of transmission devices; the two sets of rotating devices are respectively arranged at the tail end of the transmission device positioned at the end part. The utility model reduces the labor intensity of workers, improves the production efficiency, has good actual use effect and meets the production and processing requirements; bending, welding and conveying mechanisms of the steel bars are combined into a whole skillfully, the structure is compact, the size is reduced, the large-span box girder main reinforcement manufacturing device is suitable for manufacturing large-span box girder main reinforcements, standard parts are adopted, and the cost is greatly reduced.
Description
Technical Field
The utility model belongs to the building construction field relates to a large-span case roof beam owner muscle is with automatic transmission, crooked, welding integrated device, is particularly useful for the bending of large-span case roof beam owner muscle, welding for highway construction.
Background
The steel structure has the characteristics of high strength, good plasticity and toughness, good ductility and the like, determines that the steel structure has excellent earthquake resistance, and also enables the steel structure to be widely applied to high-rise buildings, expressways, large-span space structures, bridges and the like.
The traditional steel structure manufacturing process mainly comprises the steps of transmission, bending, welding, correction and the like, and a large-span box girder main reinforcement steel structure for highway construction is taken as an example, and generally needs a reinforcement with the length of 30 meters; but typically the standard rebar size is 12 meters per rebar, which requires that at least two 12 meter long rebars and at least one 6 meter long rebar be spliced together.
The traditional process is difficult to meet the manufacturing requirements. The main points are as follows: in the reinforcing bar transmission step, because the reinforcing bar is longer and heavy, only rely on the manual work to pull heavy reinforcing bar, the transport is very hard. In the steel bar bending step, most of the existing operation methods adopt manpower to bend, and when some thicker steel bars are bent, the manpower is needed to be matched with some simple equipment to bend, so that the needed manpower is larger, and meanwhile, no special bending machine exists, so that the labor capacity of workers is large, the defects of non-standardization, slow manufacturing efficiency and low working efficiency exist, a plurality of problems are caused to actual use, and the actual use is influenced. In the box girder main rib splicing step, the traditional and common assembling method is difficult to meet the requirement that two cambered surfaces are completely matched, and after the box girder main rib splicing step is assembled, irregular curved surfaces are easy to appear, so that adjacent cambered surfaces cannot be matched and welded to cause rework, the mass production cost is wasted, and the production efficiency is also reduced; in the step of welding the main parts of the box girder, a welding machine is directly used for welding the joint of the large-scale steel structure in the traditional method, but the welding mode is difficult to meet the welding requirement of the arc-shaped main welding seam in the splicing part of the main ribs of the box girder, the welding seam is not attractive in forming, and the welding requirement is difficult to meet the standard requirement.
Therefore, how to solve the above technical problems is an important research content for those skilled in the art.
Disclosure of Invention
For overcoming the not enough among the above-mentioned prior art, the utility model aims to provide a large-span box girder owner muscle is with automatic transmission, crooked, welding integrated device.
In order to achieve the above and other related objects, the present invention provides an automated conveying, bending, and welding integrated device for a main reinforcement of a large-span box girder, comprising a bending platform, a welding device, a conveying device, and a rotating device, wherein the welding device, the conveying device, and the rotating device are arranged on the bending platform;
the bending platforms comprise N bending platforms which are arranged at intervals, wherein N is greater than or equal to 2; a welding device is arranged corresponding to each bending platform; the transmission devices are correspondingly N +1 sets; one bending platform is arranged between every two adjacent sets of transmission devices; the two sets of rotating devices are respectively arranged at the tail ends of the transmission devices positioned at the end parts;
each bending platform comprises a rack and a working table surface arranged on the rack, and a first bending mechanism and a second bending mechanism are arranged on the middle part of the working table surface at a distance; the first bending mechanism comprises a first bending guide groove, a first bending pin column and a first crank sliding block mechanism; the first crank sliding block mechanism is arranged below the working table surface and is connected with the first bending pin column and drives the first bending pin column to reciprocate along the first bending guide groove; the second bending mechanism comprises a second bending guide groove, a second bending pin, a second slider-crank mechanism and a lifting cylinder; the second curved guide groove and the first curved guide groove are symmetrically arranged at a distance; the second crank sliding block mechanism is arranged below the working table surface and is connected with the second bending pin column and drives the second bending pin column to reciprocate along the second bending guide groove; the action end of the lifting cylinder is oppositely connected with the bottom end of the second bending pin column and drives the second bending pin column to do the motion of extending out of the plane of the second bending guide groove and falling back to the plane of the second bending guide groove in the second bending guide groove along the vertical direction; the bending platform is provided with a positioning and clamping mechanism corresponding to the feeding end of the first bending mechanism and the feeding end of the second bending mechanism respectively; each positioning and clamping mechanism comprises a limiting block and a clamping cylinder which are arranged along the direction of a steel bar feeding line; the limiting blocks are at least four, are arranged on two sides of the steel bar feeding route in a pairwise opposite mode, and form limiting channels for the steel bars to pass through; the action end of the clamping cylinder is arranged in a staggered manner with the limiting block and matched with the inner wall of one side of the limiting block, and a reinforcing steel bar is clamped and fixed on the reinforcing steel bar feeding line; the positioning and clamping mechanism is respectively matched with the first bending mechanism and the second bending mechanism to bend the reinforcing steel bars at the same radian;
each welding device comprises a welding working head and a movable platform arranged on the working platform surface of the bending platform; the moving platform drives the welding working head to move in the horizontal and vertical directions; the welding device also comprises a curved bar mechanism, wherein the curved bar mechanism is connected with the welding working head and drives the welding working head to do eccentric reciprocating motion;
each transmission device comprises a feeding support, a feeding guide groove, a material ejecting cylinder and a material arranging cylinder; the feeding support is obliquely arranged at the side of the feeding guide groove, and a driving roller and a driven roller are arranged on the feeding support at intervals along the width direction of the feeding support; the driving roller and the driven roller are in transmission through a chain; the cross section of the feeding guide groove is V-shaped, and the front end of the feeding guide groove is butted with the feeding end of the bending platform; a plurality of rotating wheels are uniformly distributed at the bottom of the feeding guide groove along the length direction of the feeding guide groove; the middle part of the rotating wheel is provided with a mounting part for placing reinforcing steel bars, and the reinforcing steel bars move forwards at a constant speed under the rotation of the rotating wheel; the plurality of material ejecting cylinders are arranged below the feeding guide groove at intervals along the length direction of the feeding guide groove, and the action end of each material ejecting cylinder is arranged in a staggered manner with the rotating wheel and acts on the steel bar so as to drive the steel bar to move up and down in the feeding guide groove; the plurality of material arranging cylinders are arranged on the other side of the feeding guide groove relative to the feeding support; the action end of each material mixing cylinder is provided with a material mixing baffle;
each rotating device comprises a three-jaw centering pneumatic chuck and a rotating cylinder; the action end of the rotary cylinder acts on the three-jaw centering pneumatic chuck and drives the three-jaw centering pneumatic chuck to drive the reinforcing steel bar to rotate for 180 degrees.
In the above scheme, the following is explained:
1. in the above scheme, the first curved guide groove and the second curved guide groove are long waist holes and have the same curvature.
2. In the above scheme, the material guiding baffle is obliquely arranged relative to the feeding guide groove. The rotating wheels are connected by a synchronous chain wheel or a synchronous belt in a transmission way and driven by a driving motor.
3. In the above scheme, the moving platform comprises an X-direction sliding platform, a Y-direction sliding platform and a Z-direction sliding platform; the welding working head can move in the horizontal direction and the vertical direction along the X-direction sliding platform, the Y-direction sliding platform and the Z-direction sliding platform.
4. In the above scheme, the rotating device further comprises a sliding mechanism, the sliding mechanism comprises a sliding rail arranged at the tail end of the feeding guide groove, a sliding block fixedly connected with the three-jaw centering pneumatic chuck, and a sliding cylinder driving the sliding block to drive the three-jaw centering pneumatic chuck to reciprocate along the sliding rail. When the three-jaw centering pneumatic chuck works, a gap is reserved between the end face of the three-jaw centering pneumatic chuck and the end face of the steel bar, so that the steel bar is prevented from deforming under the action of stress in the machining process.
5. In the above scheme, the welding device further comprises a PLC programming control device, and the welding work head moves according to a set displacement under the control of the PLC programming control device.
6. In the scheme, the cylinder bodies of the lifting cylinder, the clamping cylinder, the material ejecting cylinder, the material arranging cylinder and the rotating cylinder are respectively hinged on the machine frame at corresponding positions.
7. In the scheme, the bending length of the steel bars is 130-140 mm; the angle of bending of the reinforcing bars is 15 °.
8. In the scheme, the welding length of the welding working head to the bent steel bar is 130mm-140mm, and the width of the welding seam is 10 mm.
9. In the above scheme, the bending device further comprises a steel bar displacement sensor, and the steel bar displacement sensor is arranged corresponding to the initial positions of the first bending pin column and the second bending pin column.
10. In the above scheme, the bending device further comprises a control device, and the bending platform, the welding device, the transmission device and the rotating device are electrically connected with the control device.
11. In the above scheme, on two adjacent curved platforms, the distance from the second curved guide groove on the first curved platform to the first curved guide groove on the second curved platform is equal to the length of the steel bar between the two curved platforms.
Because of the application of the technical scheme, compared with the prior art, the utility model beneficial effect who has is:
1. the scheme of the utility model adopts the transmission device to transmit the reinforcing steel bars, so that the operation personnel can save more labor, and the production efficiency can be improved;
2. the bending platform has the advantages of simple structure, convenient operation and labor saving, can automatically and effectively complete the bending of the reinforcing steel bar in actual use, has high bending efficiency, low labor intensity of workers and good actual use effect, and meets the production and processing requirements;
3. the utility model discloses the welding set of scheme effectively satisfies the welding requirement of the main welding seam of box girder owner muscle amalgamation position department arc shape, and reciprocating motion about crank mechanism makes the welding work head do, and the welding seam can reach effectual 10mm width, recycles rotary mechanism and carries out 180 reversals to the reinforcing bar, carries out double-sided welding, and the welding standard reaches the standard requirement.
4. The utility model discloses the scheme combines reinforcing bar bending, welding, transport mechanism as an organic whole very ingeniously, compact structure, and the volume reduces, is applicable to the preparation of large-span case roof beam owner muscle to all adopt the standard component, the cost reduces by a wide margin.
Drawings
FIG. 1 is a schematic view of a local welding structure of a main bar of a large-span box girder;
FIG. 2 is a schematic structural view of the conveying device of the present invention;
FIG. 3 is a schematic structural view of the present invention;
FIG. 4 is a schematic view of the bending platform and the welding device of the present invention;
fig. 5 is a schematic structural diagram of the rotating device of the present invention.
Detailed Description
Other advantages and capabilities of the present invention will be readily apparent to those skilled in the art from the disclosure herein after by describing in detail embodiments thereof with reference to the accompanying drawings.
Example (b):
as shown in fig. 1-5, an automated conveying, bending and welding integrated device for a main bar of a large-span box girder comprises a bending platform, a welding device arranged on the bending platform, a conveying device and a rotating device;
the bending platform comprises a first bending platform 1 and a second bending platform 2, and the welding device is respectively provided with a first welding device 3 and a second welding device 4 corresponding to the first bending platform 1 and the second bending platform 2; the transmission device comprises a first transmission device 5, a second transmission device 6 and a third transmission device 7; the conveying devices are sequentially used for conveying the reinforcing steel bars with the lengths of 12 meters, 12 meters and 6 meters; the first transfer device 5 is located on the left side of the first bending platform 1, the second transfer device 6 is located between the first bending platform 1 and the second bending platform 2, the third transfer device 7 is located on the right side of the second bending platform 2, and the rotating device comprises a first rotating device 8 and a second rotating device 9; the first rotating means 8 are located to the left of the first transferring means 5 and the second rotating means 9 are located to the right of the third transferring means 7.
The first bending platform 1 and the second bending platform 2 both comprise a frame (not shown in the figure) and a working table 10 arranged on the frame, and a first bending mechanism and a second bending mechanism are arranged on the middle part of the working table 10 at a distance; the first bending mechanism comprises a first bending guide groove 11, a first bending pin 12 and a first slider-crank mechanism (not shown in the figure); the first crank sliding block mechanism is arranged below the working table top 10, is connected with the first bending pin 12 and drives the first bending pin 12 to reciprocate along the first bending guide groove 11; the second bending mechanism comprises a second bending guide groove 13, a second bending pin 14, a second slider-crank mechanism (not shown in the figure) and a lifting cylinder (located below the working table 10 and not shown in the figure); the second curved guide groove 13 is symmetrically arranged with a distance from the first curved guide groove 11; the second crank sliding block mechanism is arranged below the working table surface, is connected with the second bending pin 14 and drives the second bending pin 14 to reciprocate along the second bending guide groove 13; the action end of the lifting cylinder is oppositely connected with the bottom end of the second bending pin 14, and drives the second bending pin 14 to vertically move in the second bending guide groove 13 to extend out of the plane of the second bending guide groove 13 and fall back to the plane of the second bending guide groove 13; the first bending platform 1 and the second bending platform 2 are respectively provided with a positioning and clamping mechanism corresponding to the feeding end of the first bending mechanism and the feeding end of the second bending mechanism; each positioning and clamping mechanism comprises a limiting block 15 and a clamping cylinder 16 which are arranged along the direction of a steel bar feeding line; the number of the limiting blocks 15 is at least four, the limiting blocks are arranged on two sides of the steel bar feeding route in a pairwise opposite mode, and limiting channels for steel bars to pass through are formed; the action end of the clamping cylinder 16 is provided with a clamping block 17 which is arranged in a staggered manner with the limiting block 15 and is matched with the inner wall of one side of the limiting block 15, and a reinforcing steel bar is clamped and fixed on the reinforcing steel bar feeding line; and the positioning and clamping mechanism is respectively matched with the first bending mechanism and the second bending mechanism to bend the reinforcing steel bar at the same radian. The bending length of the steel bars is 130-140 mm; the angle of bending of the reinforcing bars is 15 °. The first curved guide groove 11 and the second curved guide groove 13 are long waist holes and have the same curvature. On the first bending platform 1, a steel bar displacement sensor 18 (the steel bar displacement sensor corresponding to the first bending pin 12 is not shown) is arranged at the starting position corresponding to the first bending pin 12 and the second bending pin 14, and the steel bar displacement sensor 18 is arranged corresponding to the first bending pin 12 and the second bending pin 14. And a steel bar displacement sensor 18 is arranged on the second bending platform 2 at the position corresponding to the starting position of the second bending pin 14.
The first welding device 3 and the second welding device 4 both comprise a welding working head 19 and a movable platform 20 arranged on the working table surface 10; the moving platform 20 drives the welding working head 19 to move in the horizontal and vertical directions; the welding device further comprises a curved rod mechanism 31, wherein the curved rod mechanism 31 is connected with the welding working head 19 and drives the welding working head 19 to do eccentric reciprocating motion; the moving platform 20 comprises an X-direction sliding platform 32, a Y-direction sliding platform 33 and a Z-direction sliding platform 34; the welding working head can move in the horizontal direction and the vertical direction along the X-direction sliding platform, the Y-direction sliding platform and the Z-direction sliding platform. The welding device also comprises a PLC programming control device, and the welding working head 19 moves according to the set displacement under the control of the PLC programming control device. The welding length of the welding working head 19 to the bent steel bar 301 is 130mm-140mm, and the width of the welding line 302 is 10 mm.
The first transmission device 5, the second transmission device 6 and the third transmission device 7 respectively comprise a feeding bracket 21, a feeding guide groove 22, a material ejecting cylinder (not shown in the figure) and a material following cylinder 23; the feeding support 21 is obliquely arranged at the side of the feeding guide groove 22, and a driving roller 24 and a driven roller 25 are arranged on the feeding support 21 at intervals along the width direction of the feeding support; the driving roller 24 and the driven roller 25 are driven by a chain (not shown); the cross section of the feeding guide groove 22 is V-shaped. The front end of the feeding guide groove 22 of the first conveying device 5 is butted with the left feeding end of the first bending platform 1; one end of the feeding guide groove 22 of the second conveying device 6 is butted with the right feeding end of the first bending platform 1, and the other end of the feeding guide groove is butted with the left feeding end of the second bending platform 2; the front end of the feeding guide groove 22 of the third conveying device 7 is butted with the right feeding end of the second bending platform 2; and the distance between the second bending guide groove 13 on the first bending platform 1 and the first bending guide groove 11 on the second bending platform 2 on two adjacent bending platforms is equal to the length of the reinforcing steel bar 30 between the two bending platforms.
A plurality of rotating wheels 26 are uniformly distributed at the bottom of the feeding guide groove 22 along the length direction; the plurality of wheels 26 are connected via a synchronous sprocket or a synchronous belt drive (not shown) and driven by a driving motor (not shown). A placing part for placing reinforcing steel bars 30 is arranged in the middle of the rotating wheel 26, and the reinforcing steel bars 30 move forwards at a constant speed under the rotation of the rotating wheel 26; the plurality of the material ejecting cylinders (not shown in the figure) are arranged below the feeding guide groove 22 at intervals along the length direction of the feeding guide groove 22, and the action end of each material ejecting cylinder is arranged in a staggered manner with the rotating wheel 26 and acts on the reinforcing steel bar 30, so that the reinforcing steel bar 30 is driven to move up and down in the feeding guide groove 22; the plurality of material mixing cylinders 23 are also arranged on the other side of the feeding guide groove 22 relative to the feeding bracket 21; the action end of each material mixing cylinder 23 is provided with a material mixing baffle plate 27; the material guiding baffle 27 is obliquely arranged relative to the feeding guide groove 22.
The first and second rotating means 8, 9 each comprise a three-jaw centering air chuck 28 and a rotating cylinder 29; the action end of the rotating cylinder 29 acts on the three-jaw centering air chuck 28 and drives the three-jaw centering air chuck 28 to drive the reinforcing steel bar 30 to rotate for 180 degrees. The rotating device further comprises a sliding mechanism, and the sliding mechanism comprises a sliding rail 35 arranged along the tail end of the feeding guide groove, a sliding block 36 fixedly connected with the three-jaw centering pneumatic chuck 28, and a sliding cylinder (not shown in the figure) for driving the sliding block to drive the three-jaw centering pneumatic chuck 28 to reciprocate along the sliding rail. In operation, a gap is left between the end face of the three-jaw centering pneumatic chuck 28 and the end face of the reinforcing steel bar 30 to prevent the reinforcing steel bar from deforming under the action of stress during machining.
The cylinder bodies of the lifting cylinder, the clamping cylinder 16, the material ejecting cylinder, the material arranging cylinder 23 and the rotating cylinder 29 are respectively hinged on the machine frame at corresponding positions.
The bending platform, the welding device, the transmission device and the rotating device are electrically connected with the control device.
When the device works, a lifting mechanism is used for lifting straight reinforcing steel bars and respectively placing the straight reinforcing steel bars on feeding brackets of a first conveying device and a second conveying device (which can be placed synchronously), the straight reinforcing steel bars are conveyed into a feeding guide groove under the driving of a driving roller and a driven roller of the feeding brackets, and the straight reinforcing steel bars are prevented from sliding through the feeding guide groove due to the self-weight and inertia of the reinforcing steel bars in the feeding process, so that a material guiding baffle is arranged on the other side of the feeding guide groove, and the reinforcing steel bars can be effectively ensured to fall into the feeding guide groove; after falling into the feeding guide groove, the reinforcing steel bar advances forwards at a uniform speed under the drive of the rotating wheel and enters the first bending platform and the second bending platform (the left end of the reinforcing steel bar of the second conveying device is directly placed into the guide groove formed by the clamping mechanism on the right side of the first bending platform, and the right end of the reinforcing steel bar is directly placed into the guide groove of the stroke of the clamping mechanism on the left side of the second bending platform). Then, steel bars on a feeding support of a third transmission device are placed in a feeding guide groove of the third transmission device according to synchronous steps (corresponding to the first transmission device, the second transmission device and the third transmission device, the first transmission device, the second transmission device and the third transmission device are respectively provided with a first steel bar and a second steel bar); when the first steel bar reaches the first bending guide groove through the left positioning and clamping mechanism on the first bending platform, the left end of the second steel bar reaches the second bending guide groove through the right positioning and clamping mechanism on the first bending platform (at this time, the right end of the second steel bar is just positioned at the first bending guide groove on the second bending platform), and the left end of the third steel bar reaches the second bending guide groove on the second bending platform through the right positioning and clamping mechanism on the second bending platform, each steel bar displacement sensor sends a signal, the control device starts and stops the transmission device, the first steel bar, the second steel bar and the third steel bar respectively stop at the side of the corresponding bending pin columns, at this time, the clamping cylinders on the first bending platform and the second bending platform are started, and the action ends of the clamping cylinders are matched with the inner side walls of the corresponding limiting blocks to fixedly clamp the steel bars; and then starting each crank slider mechanism to drive each bending pin to push the end part of the steel bar to be bent along the end point of the inner side wall of the limiting block as a round mandrel, after the bending pin bends the steel bar along the bending guide groove, each bending pin on the first bending platform and the second bending platform returns to the initial position, the first bending pin on the first bending platform descends to the first bending platform surface or below under the action of the lifting cylinder, and the second bending pin on the second bending platform also descends to the second bending platform surface or below under the action of the lifting cylinder. And at the moment, starting the first transmission device and the third transmission device, and respectively conveying the first reinforcing steel bar and the second reinforcing steel bar to the right and the left to splicing positions of the bent parts at the two ends of the second reinforcing steel bar. And (3) synchronously starting the first welding device and the second welding device, and respectively performing welding operation on the splicing part of the two sections of reinforcing steel bars by the first welding working head and the second welding working head under the action of the respective moving platform and the curved bar mechanism. After the welding of the surface is finished, loosening the clamping cylinders on the first bending platform and the second bending platform; starting the material ejecting cylinder at the bottom of each feeding guide groove, ejecting the first reinforcing steel bar, the second reinforcing steel bar and the third reinforcing steel bar which are welded together out of the groove surface of the feeding guide groove, starting the first rotating device and the second rotating device, the three-jaw centering pneumatic chuck on the pneumatic chuck respectively clamps the left tail end of the first steel bar and the right tail end of the third steel bar, after 180-degree rotation, the first rotating device and the second rotating device return to the original flavor, at the moment, loosening the liftout cylinders, dropping the welded first steel bar, second steel bar and third steel bar into the feeding guide grooves, and the first bending platform and the second bending platform are positioned and clamped for the second time, the first welding device and the second welding device are started again, the first welding working head and the second welding working head respectively perform welding operation on the other surface of the splicing position of the two sections of the steel bars under the action of the respective moving platform and the action of the curved lever mechanism. After the welding is finished, the clamping cylinder is loosened, the steel bars welded into a whole are ejected out by the ejection cylinder, and the steel bars are grabbed to the material receiving position by the hoisting mechanism. One operation is completed.
The utility model discloses the scheme adopts transmission device conveying reinforcing bar for operating personnel is more laborsaving, improves production efficiency simultaneously. The bending platform has the advantages of simple structure, convenient operation and labor saving, can automatically and effectively complete the bending of the reinforcing steel bar in actual use, has high bending efficiency, low labor intensity of workers and good actual use effect, and meets the production and processing requirements; the utility model discloses the welding set of scheme effectively satisfies the welding requirement of the main welding seam of box girder owner muscle amalgamation position department arc shape, and reciprocating motion about crank mechanism makes the welding work head do, and the welding seam can reach effectual 10mm width, recycles rotary mechanism and carries out 180 reversals to the reinforcing bar, carries out double-sided welding, and the welding standard reaches the standard requirement.
The utility model discloses the scheme combines reinforcing bar bending, welding, transport mechanism as an organic whole very ingeniously, compact structure, and the volume reduces, is applicable to the preparation of large-span case roof beam owner muscle to all adopt the standard component, the cost reduces by a wide margin.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a large-span box girder owner muscle is with automatic transmission, crooked, welding integrated device which characterized in that: the welding device comprises a bending platform, a welding device arranged on the bending platform, a transmission device and a rotating device;
the bending platforms comprise N bending platforms which are arranged at intervals, wherein N is greater than or equal to 2; a welding device is arranged corresponding to each bending platform; the transmission devices are correspondingly N +1 sets; one bending platform is arranged between every two adjacent sets of transmission devices; the two sets of rotating devices are respectively arranged at the tail ends of the transmission devices positioned at the end parts;
each bending platform comprises a rack and a working table surface arranged on the rack, and a first bending mechanism and a second bending mechanism are arranged on the middle part of the working table surface at a distance; the first bending mechanism comprises a first bending guide groove, a first bending pin column and a first crank sliding block mechanism; the first crank sliding block mechanism is arranged below the working table surface and is connected with the first bending pin column and drives the first bending pin column to reciprocate along the first bending guide groove; the second bending mechanism comprises a second bending guide groove, a second bending pin, a second slider-crank mechanism and a lifting cylinder; the second curved guide groove and the first curved guide groove are symmetrically arranged at a distance; the second crank sliding block mechanism is arranged below the working table surface and is connected with the second bending pin column and drives the second bending pin column to reciprocate along the second bending guide groove; the action end of the lifting cylinder is oppositely connected with the bottom end of the second bending pin column and drives the second bending pin column to do the motion of extending out of the plane of the second bending guide groove and falling back to the plane of the second bending guide groove in the second bending guide groove along the vertical direction; the bending platform is provided with a positioning and clamping mechanism corresponding to the feeding end of the first bending mechanism and the feeding end of the second bending mechanism respectively; each positioning and clamping mechanism comprises a limiting block and a clamping cylinder which are arranged along the direction of a steel bar feeding line; the limiting blocks are at least four, are arranged on two sides of the steel bar feeding route in a pairwise opposite mode, and form limiting channels for the steel bars to pass through; the action end of the clamping cylinder is arranged in a staggered manner with the limiting block and matched with the inner wall of one side of the limiting block, and a reinforcing steel bar is clamped and fixed on the reinforcing steel bar feeding line; the positioning and clamping mechanism is respectively matched with the first bending mechanism and the second bending mechanism to bend the reinforcing steel bars at the same radian;
each welding device comprises a welding working head and a movable platform arranged on the working platform surface of the bending platform; the moving platform drives the welding working head to move in the horizontal and vertical directions; the welding device also comprises a curved bar mechanism, wherein the curved bar mechanism is connected with the welding working head and drives the welding working head to do eccentric reciprocating motion;
each transmission device comprises a feeding support, a feeding guide groove, a material ejecting cylinder and a material arranging cylinder; the feeding support is obliquely arranged at the side of the feeding guide groove, and a driving roller and a driven roller are arranged on the feeding support at intervals along the width direction of the feeding support; the driving roller and the driven roller are in transmission through a chain; the cross section of the feeding guide groove is V-shaped, and the front end of the feeding guide groove is butted with the feeding end of the bending platform; a plurality of rotating wheels are uniformly distributed at the bottom of the feeding guide groove along the length direction of the feeding guide groove; the middle part of the rotating wheel is provided with a mounting part for placing reinforcing steel bars, and the reinforcing steel bars move forwards at a constant speed under the rotation of the rotating wheel; the plurality of material ejecting cylinders are arranged below the feeding guide groove at intervals along the length direction of the feeding guide groove, and the action end of each material ejecting cylinder is arranged in a staggered manner with the rotating wheel and acts on the steel bar so as to drive the steel bar to move up and down in the feeding guide groove; the plurality of material arranging cylinders are arranged on the other side of the feeding guide groove relative to the feeding support; the action end of each material mixing cylinder is provided with a material mixing baffle;
each rotating device comprises a three-jaw centering pneumatic chuck and a rotating cylinder; the action end of the rotary cylinder acts on the three-jaw centering pneumatic chuck and drives the three-jaw centering pneumatic chuck to drive the reinforcing steel bar to rotate for 180 degrees.
2. The integrated device for automatically conveying, bending and welding the main reinforcement of the large-span box girder according to claim 1, is characterized in that: the first curved guide groove and the second curved guide groove are long waist holes and have consistent curved radians.
3. The integrated device for automatically conveying, bending and welding the main reinforcement of the large-span box girder according to claim 1, is characterized in that: the material guiding baffle is obliquely arranged relative to the feeding guide groove.
4. The integrated device for automatically conveying, bending and welding the main reinforcement of the large-span box girder according to claim 1, is characterized in that: the moving platform comprises an X-direction sliding platform, a Y-direction sliding platform and a Z-direction sliding platform; the welding working head can move in the horizontal direction and the vertical direction along the X-direction sliding platform, the Y-direction sliding platform and the Z-direction sliding platform.
5. The integrated device for automatically conveying, bending and welding the main reinforcement of the large-span box girder according to claim 1, is characterized in that: the rotating device further comprises a sliding mechanism, the sliding mechanism comprises a sliding rail arranged at the tail end of the feeding guide groove, a sliding block fixedly connected with the three-jaw centering pneumatic chuck and a sliding cylinder driving the sliding block to drive the three-jaw centering pneumatic chuck to move along the sliding rail in a reciprocating mode.
6. The integrated device for automatically conveying, bending and welding the main reinforcement of the large-span box girder according to claim 1, is characterized in that: the welding device further comprises a PLC programming control device, and the welding working head moves according to the set displacement under the control of the PLC programming control device.
7. The integrated device for automatically conveying, bending and welding the main reinforcement of the large-span box girder according to claim 1, is characterized in that: and the cylinder bodies of the lifting cylinder, the clamping cylinder, the material ejecting cylinder, the material arranging cylinder and the rotating cylinder are respectively hinged on the machine frame at corresponding positions.
8. The integrated device for automatically conveying, bending and welding the main reinforcement of the large-span box girder according to claim 1, is characterized in that: still include reinforcing bar displacement sensor, reinforcing bar displacement sensor corresponds the initial position setting of first crooked round pin post and second crooked round pin post.
9. The integrated device for automatically conveying, bending and welding the main reinforcement of the large-span box girder according to claim 1, is characterized in that: the bending platform, the welding device, the transmission device and the rotating device are electrically connected with the control device.
10. The integrated device for automatically conveying, bending and welding the main reinforcement of the large-span box girder according to claim 1, is characterized in that: and on two adjacent bending platforms, the distance from the second bending guide groove on the first bending platform to the first bending guide groove on the second bending platform is equal to the length of the steel bar between the two bending platforms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920142551.XU CN209953685U (en) | 2019-01-28 | 2019-01-28 | Automatic transmission, bending and welding integrated device for main reinforcement of large-span box girder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920142551.XU CN209953685U (en) | 2019-01-28 | 2019-01-28 | Automatic transmission, bending and welding integrated device for main reinforcement of large-span box girder |
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| Publication Number | Publication Date |
|---|---|
| CN209953685U true CN209953685U (en) | 2020-01-17 |
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| CN201920142551.XU Withdrawn - After Issue CN209953685U (en) | 2019-01-28 | 2019-01-28 | Automatic transmission, bending and welding integrated device for main reinforcement of large-span box girder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109692921A (en) * | 2019-01-28 | 2019-04-30 | 中铁四局集团第二工程有限公司 | Wide-span case beam main tendon automation transmission, bending, welded makeup are set |
-
2019
- 2019-01-28 CN CN201920142551.XU patent/CN209953685U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109692921A (en) * | 2019-01-28 | 2019-04-30 | 中铁四局集团第二工程有限公司 | Wide-span case beam main tendon automation transmission, bending, welded makeup are set |
| CN109692921B (en) * | 2019-01-28 | 2024-09-27 | 中铁四局集团第二工程有限公司 | Automatic transmission, bending and welding integrated device for main ribs of large-span box girder |
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