CN117718418A - Automatic forming processing method for segment steel reinforcement cage - Google Patents
Automatic forming processing method for segment steel reinforcement cage Download PDFInfo
- Publication number
- CN117718418A CN117718418A CN202410179344.7A CN202410179344A CN117718418A CN 117718418 A CN117718418 A CN 117718418A CN 202410179344 A CN202410179344 A CN 202410179344A CN 117718418 A CN117718418 A CN 117718418A
- Authority
- CN
- China
- Prior art keywords
- stirrup
- bending
- steel bar
- reinforcing
- steel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 137
- 239000010959 steel Substances 0.000 title claims abstract description 137
- 238000003672 processing method Methods 0.000 title claims abstract description 15
- 230000002787 reinforcement Effects 0.000 title claims description 17
- 238000005452 bending Methods 0.000 claims abstract description 121
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 41
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 36
- 238000012545 processing Methods 0.000 claims abstract description 20
- 238000013461 design Methods 0.000 claims abstract description 18
- 238000003466 welding Methods 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 24
- 230000007246 mechanism Effects 0.000 claims description 22
- 238000013519 translation Methods 0.000 claims description 20
- 108010068370 Glutens Proteins 0.000 claims description 7
- 235000021312 gluten Nutrition 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 3
- 230000008602 contraction Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 12
- 238000012546 transfer Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Wire Processing (AREA)
Abstract
The invention belongs to the field of reinforcing steel bar combination processing, and particularly relates to an automatic forming processing method of a segment reinforcing steel cage, which comprises the following steps: step one, processing a reinforcing steel bar mesh by a segment reinforcing steel bar mesh automatic processing workbench; step two, conveying the stirrup steel bars to an assembling station on a bending machine tool after fixed-length and material breaking; the stirrup steel bars are horizontally arranged along the longitudinal direction, and all the stirrup steel bars are orderly arranged along the arc-shaped support provided by the bending machine tool according to the design requirement; step three, transferring the reinforcing mesh to a bending machine tool, wherein the reinforcing mesh is vertically arranged, and the bottom bars of the reinforcing mesh are supported by the middle parts of the stirrup reinforcing bars; moving the stirrup steel bars by a bending machine tool and integrally bending the stirrup steel bars, bending each end of the stirrup steel bars twice, and wrapping the steel bar meshes to form a segment steel bar cage; fifthly, welding the intersection points of the reinforcing mesh sheets and the stirrup reinforcing steel bars; the invention reduces labor intensity, can ensure accurate positioning and splicing of the reinforcing steel bar meshes, ensures consistency of products and improves production efficiency.
Description
Technical Field
The invention belongs to the technical field of steel bar combination processing, and particularly relates to an automatic forming processing method of a segment steel bar cage.
Background
The shield tunnel segment is a main assembly component for shield construction, the shield tunnel segment is usually manufactured by manual work, the steel bars are bent and welded into steel bar meshes firstly, the stirrups are bent into rectangular rings, then the steel bar meshes and the stirrups are placed in a positioning tool together to be stacked, and finally the steel bar meshes and the stirrups are welded into a segment steel cage manually. The whole process needs a large amount of manual participation, and the production efficiency is low.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an automatic forming processing method for a segment steel reinforcement cage, which can reduce the manual consumption and improve the production efficiency.
In order to achieve the above object, the present invention provides the following technical solutions:
an automatic forming processing method of a segment steel cage comprises the following steps:
step one, processing a reinforcing steel bar mesh by a segment reinforcing steel bar mesh automatic processing workbench;
step two, conveying the stirrup steel bars to an assembling station on a bending machine tool after fixed-length and material breaking; the stirrup steel bars are horizontally arranged along the longitudinal direction, and all the stirrup steel bars are orderly arranged along the arc-shaped support provided by the bending machine tool according to the design requirement;
step three, transferring the reinforcing mesh to a bending machine tool, wherein the reinforcing mesh is vertically arranged, and the bottom bars of the reinforcing mesh are supported by the middle parts of the stirrup reinforcing bars;
moving the stirrup steel bars by a bending machine tool and integrally bending the stirrup steel bars, bending each end of the stirrup steel bars twice, wrapping the steel bar meshes to form a segment steel bar cage, and keeping the positions of the steel bar meshes unchanged all the time in the bending process; the four corners of the stirrup are respectively an upper left corner, a lower left corner, an upper right corner and a lower right corner; firstly, bending the left upper corner; then the length of the side edge of the stirrup is translated leftwards by the stirrup steel bar, the stirrup steel bar is moved from an initial assembling station to a second station, and the left lower corner and the right upper corner are bent; finally, moving the stirrup steel bar from the second station to an initial assembling station, and bending the lower right corner;
and fifthly, welding the intersection points of the reinforcing mesh and the stirrup reinforcing steel bars.
Further, the automatic processing workbench for the segment steel mesh comprises a mesh workbench, a plurality of bottom limiting blocks fixed on the surface of the mesh workbench, a plurality of side limiting blocks arranged around the periphery of all the bottom limiting blocks and a plurality of mechanical arms arranged on the mesh workbench; the upper surface of the bottom limiting block is inclined and used for automatically resetting the lacing wire.
Further, the first step includes the following steps: the mechanical arm grabs the bottom rib and is arranged in the corresponding limit block; the mechanical arm lacing wire is arranged on the bottom limiting block and automatically returns to the design position; the mechanical arm grabs gluten and is arranged in the corresponding limit block; and integrally welding the reinforcing steel bar net sheet by using a welding gun.
Further, the bending machine tool comprises a net piece locating rack for locating and moving the steel bar net pieces and two groups of steel bar bending mechanisms;
the net piece locating rack comprises two parallel tracks and a bracket body capable of walking back and forth along the tracks; the support body comprises a plurality of upright posts sliding along the rails, and the upright posts on the two rails are symmetrically arranged; the tops of the upright posts on the same track are fixedly provided with side plates, and the upper parts of the upright posts opposite to the different tracks are fixedly provided with reinforcing steel bar positioning cross bars; the side plates are provided with a plurality of net piece positioning clamping pieces according to design requirements, and the reinforced net pieces are clamped and fixed by the net piece positioning clamping pieces after being transferred to the bracket body; the steel bar positioning cross rod is provided with a plurality of steel bar positioning clamping pieces according to the design requirement, the steel bar positioning clamping pieces are arranged into an arc shape according to the installation design requirement, arc-shaped support is provided for the stirrup steel bars, and the stirrup steel bars are positioned by the steel bar positioning clamping pieces after being fed onto the bracket body;
the steel bar bending mechanism comprises two fixed columns which are fixedly arranged, a first mounting rod and a second mounting rod which are arranged at the upper parts of the fixed columns, and the first mounting rods of the two groups of steel bar bending mechanisms are arranged at the inner sides of the second mounting rods; the first mounting rod is vertically fixed with a plurality of inverted L-shaped bending clamping rods, the bending clamping rods are matched with the stirrup steel bars, the stirrup steel bars penetrate through the bending areas of the bending clamping rods, and the bending clamping rods are used for pressing the stirrup steel bars when bending the steel bars; the second installation pole is gone up to rotate and is installed the power pole of buckling of a plurality of reverse L types, the power pole of buckling is located the stirrup reinforcing bar that corresponds when being the level under, the power pole of buckling sets up with the stirrup reinforcing bar cooperation, the power pole of buckling is rotated and upwards buckles the stirrup reinforcing bar after being driven.
Further, the upright posts comprise 4 pairs, 2 pairs of upright posts are positioned between the two pairs of fixed posts, and 2 pairs of upright posts are positioned outside the two pairs of fixed posts; the upright post positioned between the two pairs of fixed posts is a sliding middle post, a middle positioning cross rod is fixed on the sliding middle post, and the middle positioning cross rod is correspondingly arranged at the inner side of the mesh positioning clamping piece at the most edge; the upright posts arranged on the outer sides of the two pairs of fixed upright posts are sliding side posts, and end positioning cross bars are fixed on the sliding side posts and correspondingly arranged at the ends of the stirrup reinforcing bars.
Further, the rebar positioning clip comprises a first sub-clip and a second sub-clip translatable relative to the first sub-clip; the second sub-clamping piece is provided with a notch towards one side of the first sub-clamping piece, and the notch can be reduced after the first sub-clamping piece or the second sub-clamping piece is driven so as to clamp the reinforcing mesh.
Further, the bending machine tool also comprises a hydraulic telescopic rod and an auxiliary mounting rod which are matched with the bending power rod; the upper end of the hydraulic telescopic rod is hinged with the bending power rod, the lower end of the hydraulic telescopic rod is hinged with the auxiliary mounting rod, and the auxiliary mounting rod is fixed on the upright post.
Further, two ends of the first mounting rod are provided with translation mechanisms, and the translation mechanisms can integrally translate the first mounting rod along the direction perpendicular to the track so as to separate the stirrup steel bars from the bending areas of the bending clamping rods; the translation mechanism comprises a sleeve fixed on the fixed column, a transverse tube arranged in the sleeve in a sliding manner and a translation oil cylinder fixedly connected with the transverse tube through a connecting frame; the horizontal pipe is horizontally fixed at two ends of the first mounting rod, and the expansion direction of the translation oil cylinder is perpendicular to the track.
Further, the two groups of fixing columns are respectively a first fixing column and a second fixing column, and the distance from the first fixing column to the second fixing column is the sum of the length of the bottom edge of the stirrup and the length of one side edge.
Further, the four corners of the stirrup are respectively an upper left corner, a lower left corner, an upper right corner and a lower right corner;
in the fourth step, the upper left corner is bent first; then the bracket body is horizontally moved leftwards by the length of the side edge of the stirrup, the bracket body is moved from an initial assembling station to a second station, and the left lower corner and the right upper corner are bent; and finally, moving the bracket body from the second station to the initial assembling station, and bending the lower right corner.
The beneficial effects of the invention are as follows:
according to the invention, the manual participation amount is reduced by means of automatic processing of the reinforcing steel meshes, automatic bending of the stirrup reinforcing steel bars and the like, the labor intensity is reduced, and the production efficiency is improved;
the automatic processing workbench for the segment reinforcing steel bar meshes can realize automatic assembly and welding of reinforcing steel bar meshes, can ensure accurate positioning and splicing of reinforcing steel bar meshes and ensures consistency of products;
according to the bending machine tool, the positions of the corner parts of the stirrup steel bars to the positions of the steel bar bending mechanisms are adjusted in a mode of keeping the positions of the steel bar meshes unchanged and integrally moving the stirrup steel bars, so that the number of mechanical structures needing to act is reduced, the complexity of the bending machine tool structure can be reduced, and the equipment cost can be reduced; and through setting up two sets of reinforcing bar bending mechanisms and to its reasonable design in position, improved section of jurisdiction steel reinforcement cage production efficiency.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. Wherein:
fig. 1 is a schematic structural view of a reinforcing mesh sheet according to an embodiment of the present invention.
Fig. 2 is a schematic diagram illustrating a processing procedure of a reinforcing mesh sheet according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of a second process of processing a reinforcing mesh sheet according to an embodiment of the present invention.
Fig. 4 is a schematic diagram of a processing procedure of a reinforcing mesh sheet according to an embodiment of the present invention.
Fig. 5 is a schematic diagram of a processing procedure of a reinforcing mesh sheet according to an embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a bending machine according to an embodiment of the present invention.
Fig. 7 is a schematic top view of a bending machine according to an embodiment of the present invention.
Fig. 8 is a schematic view of a part of a bending machine according to an embodiment of the present invention.
Fig. 9 is a schematic diagram illustrating a bending process of a bending power rod according to an embodiment of the present invention.
Fig. 10 is a second schematic diagram of a bending process of the bending power rod according to the embodiment of the present invention.
Fig. 11 is a partial front view schematically illustrating a first mounting bar according to an embodiment of the present invention.
Fig. 12 is a schematic structural view of a mesh positioning clip according to an embodiment of the present invention.
Fig. 13 is a schematic view of the positions of the reinforcing mesh and the stirrup reinforcement in the assembly station according to the embodiment of the invention.
Fig. 14 is a schematic diagram illustrating a bending process of a stirrup bar according to an embodiment of the present invention.
Fig. 15 is a second schematic diagram of a bending process of the stirrup bar according to the embodiment of the present invention.
Fig. 16 is a schematic diagram III of a bending process of a stirrup bar according to an embodiment of the present invention.
Fig. 17 is a schematic diagram of a bending process of a stirrup bar according to an embodiment of the present invention.
Fig. 18 is a schematic diagram of a bending process of a stirrup bar according to an embodiment of the present invention.
In the figure, 1-reinforcing mesh, 11-gluten, 12-bottom gluten and 13-lacing wire; 2-stirrup steel bars, 21-end positioning crossbars, 211-steel bar positioning clamping pieces, 22-sliding side columns, 23-middle positioning crossbars, 24-sliding center columns, 25-first fixed columns, 26-second fixed columns, 27-first mounting rods, 28-bending clamping rods, 29-second mounting rods, 30-bending power rods, 31-side plates, 32-net piece positioning clamping pieces, 321-first sub clamping pieces, 322-second sub clamping pieces, 33-rails, 34-hydraulic telescopic rods, 35-sleeves, 36-transverse pipes, 37-translation cylinders, 38-net piece working tables, 39-mechanical arms, 40-side limiting blocks, 41-bottom limiting blocks and 42-welding machine guns.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the invention, fall within the scope of protection of the invention.
In the description of the present invention, the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", etc. refer to the orientation or positional relationship based on that shown in the drawings, merely for convenience of description of the present invention and do not require that the present invention must be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. The terms "coupled" and "connected" as used herein are to be construed broadly and may be, for example, fixedly coupled or detachably coupled; either directly or indirectly through intermediate components, the specific meaning of the terms being understood by those of ordinary skill in the art as the case may be.
The invention will be described in detail below with reference to the drawings in connection with embodiments. It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
As shown in fig. 1 and 13, the reinforcing mesh 1 and the stirrup related to the invention are shown, wherein the reinforcing mesh 1 comprises gluten 11, a bottom rib 12 bent into a U shape and a plurality of lacing wires 13; the stirrup is a ring-shaped steel bar which is bent, and is provided with four corners, and for convenience in description, the four corners of the stirrup are respectively an upper left corner, a lower left corner, an upper right corner and a lower right corner; the stirrup is formed by bending a stirrup steel bar 2; it should be noted that "stirrup" herein means a stirrup bar which has been bent and has a ring shape, and the stirrup bar 2 is a semi-finished stirrup bar, which includes a straight state and a partially bent state.
An automatic forming processing method of a segment steel cage comprises the following steps:
step one, processing a reinforcing steel bar mesh 1 through a segment reinforcing steel bar mesh automatic processing workbench;
step two, conveying the stirrup steel bars 2 to an assembling station on a bending machine tool after fixed-length material breaking; the stirrup steel bars 2 are horizontally arranged along the longitudinal direction, referring to fig. 6, the longitudinal direction refers to the front-back direction of the bending machine tool, all the stirrup steel bars 2 are orderly arranged along the arc-shaped supports provided by the bending machine tool according to the design requirement, the arc-shaped supports extend along the left-right direction of the bending machine tool, and different arc-shaped supports are arranged at intervals along the longitudinal direction; the bending machine tool comprises a net piece locating rack for locating and moving the reinforcing steel bar net piece 1 and two groups of reinforcing steel bar bending mechanisms;
step three, transferring the reinforcing mesh 1 to a bending machine, wherein the reinforcing mesh 1 is vertically arranged, and mesh positioning clamping pieces 32 provided by the bending machine clamp two sides of the reinforcing mesh 1; the bottom bars 12 of the reinforcement mesh 1 are supported by the middle parts of the stirrup reinforcements 2; the arrangement of the stirrup steel bars 2 and the steel bar meshes 1 at the assembling station is shown in fig. 13; the length of the reinforcing mesh 1 exposed at the edges at the two ends of the stirrup reinforcing steel bar 2 at least meets the requirement of being bent twice;
step four, the bending machine moves the stirrup steel bars 2 and integrally bends the stirrup steel bars 2, so that each end of the stirrup steel bars 2 is bent twice and wraps the steel bar net sheet 1 to form a segment steel bar cage, and the position of the steel bar net sheet 1 is kept unchanged all the time in the bending process; the four corners of the stirrup are respectively an upper left corner, a lower left corner, an upper right corner and a lower right corner; firstly, bending the left upper corner; then the stirrup steel bar 2 translates the length of the stirrup side to the left, moves the stirrup steel bar from the initial assembly station to the second station, and bends the left lower corner and the right upper corner; finally, the stirrup steel bar 2 is moved from the second station to the initial assembling station, and the lower right corner is bent; as shown in fig. 14, in the initial assembly station, the bending power bar 30 on the first fixing post 25 is just at the position of the upper left corner of the bending stirrup, and the bending power bar 30 on the second fixing post 26 is at the position of the lower right corner of the bending stirrup;
fifthly, welding the intersection points of the reinforcing mesh 1 and the stirrup reinforcing steel bars 2 by using an automatic welding gun 42;
the transfer of the reinforcing steel bar net sheet 1 from the segment reinforcing steel bar net sheet automatic processing workbench to the bending machine tool is preferably completed by a mechanical arm or other existing equipment; manually assisted transfer and placement of the reinforcing mesh 1 may also be employed;
and then hanging the machined segment steel reinforcement cage away, and starting the machining of the next segment steel reinforcement cage from the step 1.
As shown in fig. 2 to 5, the automatic processing workbench for segment steel mesh comprises a mesh workbench 38, a plurality of bottom limiting blocks 41 fixed on the surface of the mesh workbench 38, a plurality of side limiting blocks 40 arranged around the periphery of all the bottom limiting blocks 41, and a plurality of mechanical arms 39 arranged on the mesh workbench 38; the bottom limit block 41 and the edge limit block 40 are designed according to the design requirement, so that the well placed lacing wire 13, gluten 11 and bottom gluten 12 are spliced into a required shape; the upper surface of the bottom limiting block 41 is inclined, and the lacing wire 13 grabbed by the mechanical arm 39 falls on the bottom limiting block 41 and then can naturally roll to the lowest position of the bottom limiting block 41, so that automatic homing of the lacing wire 13 is realized.
Further, the first step includes the following steps: as shown in fig. 2, the robot arm 39 grabs the bottom rib 12 and is placed in the corresponding edge limiting block 40; as shown in fig. 3, the mechanical arm 39 is provided with the lacing wire 13 on the bottom limiting block 41, and the lacing wire 13 automatically returns to the design position; as shown in fig. 4, the mechanical arm 39 grabs the gluten 11 and is placed in the corresponding limit block 40; as shown in fig. 5, the mesh reinforcement 1 is welded integrally using a welding gun 42.
As shown in fig. 6 to 12, the bending machine tool comprises a mesh positioning frame for positioning and moving the reinforcing steel mesh 1 and two groups of reinforcing steel bending mechanisms;
the net positioning frame comprises two parallel rails 33 and a bracket body capable of walking back and forth along the rails 33; the bracket body comprises a plurality of upright posts sliding along the rails 33, and the upright posts on the two rails 33 are symmetrically arranged; the top of the upright post on the same track 33 is fixed with a side plate 31, and the upper parts of the upright posts opposite to the different tracks 33 are respectively fixed with a steel bar positioning cross bar; the side plate 31 is provided with a plurality of net positioning clips 32 according to design requirements, and the reinforced net 1 is clamped and fixed by the net positioning clips 32 after being transferred to the bracket body; the steel bar positioning cross bar is provided with a plurality of steel bar positioning clamping pieces 211 according to the design requirement, the steel bar positioning clamping pieces 211 are arranged into an arc shape according to the installation design requirement, arc-shaped support is provided for the stirrup steel bars 2, the top of the steel bar positioning clamping pieces 211 is provided with grooves for accommodating the stirrup steel bars 2, and the stirrup steel bars 2 are positioned by the steel bar positioning clamping pieces 211 after being fed onto the bracket body;
preferably, one end of the net piece locating rack is also provided with a steel bar locating plate, the stirrup steel bar 2 is fed from the other end through a steel bar straightener and an auxiliary roller, and then the head end of the stirrup steel bar 2 is abutted against the steel bar locating plate to enable the head end of the stirrup steel bar to be neat; of course, the stirrup steel bar 2 can naturally be in place by means of inertia without arranging the steel bar in-place plate, the head end of the stirrup steel bar 2 is not neat, the normal running of the bending function is not affected, and only the joint of the bent stirrup is possibly not neat.
The steel bar bending mechanism comprises two fixed columns which are fixedly arranged, a first mounting rod 27 and a second mounting rod 29 which are arranged at the upper parts of the fixed columns, and the first mounting rods 27 of the two groups of steel bar bending mechanisms are arranged at the inner sides of the second mounting rods 29; a plurality of inverted L-shaped bending clamping rods 28 are vertically fixed on the first mounting rods 27, the bending clamping rods 28 are matched with the stirrup steel bars 2, the stirrup steel bars 2 penetrate through bending areas of the bending clamping rods 28, and the bending clamping rods 28 are used for pressing the stirrup steel bars 2 when bending the steel bars; the second installation pole 29 is gone up to rotate and is installed a plurality of power poles 30 of buckling of falling L type, the power pole 30 of buckling is located the stirrup reinforcing bar 2 that corresponds when being the level under, the power pole 30 of buckling sets up with stirrup reinforcing bar 2 cooperation, the power pole 30 of buckling is rotated and upwards buckles stirrup reinforcing bar 2 after being driven.
As shown in fig. 6 to 7, the upright post comprises 4 pairs, 2 pairs of upright posts are positioned between two pairs of fixed posts, and 2 pairs of upright posts are positioned outside the two pairs of fixed posts; the upright posts positioned between the two pairs of fixed posts are sliding middle posts 24, a middle positioning cross rod 23 is fixed on the sliding middle posts 24, and the middle positioning cross rod 23 is correspondingly arranged at the inner side of the most edge net piece positioning clamping piece 32; the upright posts positioned outside the two pairs of fixed upright posts are sliding side posts 22, an end positioning cross rod 21 is fixed on the sliding side posts 22, and the end positioning cross rod 21 is correspondingly arranged at the end part of the stirrup reinforcing steel bar 2; preferably, a pair of sliding center posts 24 is further arranged between the two pairs of sliding center posts 24, and a middle positioning cross rod 23 is fixed on the sliding center posts 24 and is used for supporting the middle part of the stirrup reinforcement 2.
In order to realize that the upright posts walk along the track 33, the bottom of part of the upright posts is provided with a driving trolley, and the bottom of part of the upright posts is provided with walking wheels, which are conventional technology and are not repeated.
As shown in fig. 6, 7 and 12, the rebar positioning clip 211 includes a first sub-clip 321 and a second sub-clip 322 translatable relative to the first sub-clip 321; a gap is formed on a side of the second sub-clamping piece 322 facing the first sub-clamping piece 321, and the gap can be reduced to clamp the reinforcing mesh 1 after the first sub-clamping piece 321 or the second sub-clamping piece 322 is driven; taking the first sub-clamping piece 321 as an example, a pulling plate can be arranged on one side of the side plate 31, the pulling plate is in sliding contact with the side plate 31, the root of the first sub-clamping piece 321 is fixed on the pulling plate, and then a linear driving mechanism such as an oil cylinder is used for driving the pulling plate to translate so as to drive the first sub-clamping piece 321 to move towards the second sub-clamping piece 322.
The bending power rod 30 may be driven to rotate by a hydraulic telescopic rod 34 or driven to rotate by a motor, for example, as shown in fig. 9 and 10, the bending machine further includes a hydraulic telescopic rod 34 and an auxiliary mounting rod, which are disposed in cooperation with the bending power rod 30; the upper end of the hydraulic telescopic rod 34 is hinged with the bending power rod 30, the lower end of the hydraulic telescopic rod 34 is hinged with the auxiliary mounting rod, the auxiliary mounting rod is fixed on the upright post, and the auxiliary mounting rod is not shown in the figure; each bending power rod 30 can be corresponding to one hydraulic telescopic rod 34, or a small number of hydraulic telescopic rods 34 can be used, and then the bending power rods 30 are fixedly connected through connecting plates, so that all the bending power rods 30 can be integrally driven by the small number of hydraulic telescopic rods 34.
As shown in fig. 11, two ends of the first mounting rod 27 are provided with a translation mechanism, and the translation mechanism can integrally translate the first mounting rod 27 along a direction perpendicular to the track 33 so as to separate the stirrup bar 2 from the bending area of the bending clamping rod 28; the translation mechanism comprises a sleeve 35 fixed on the fixed column, a transverse tube 36 arranged in the sleeve 35 in a sliding manner and a translation cylinder 37 fixedly connected with the transverse tube 36 through a connecting frame; the transverse pipes 36 are horizontally fixed at two ends of the first mounting rod 27, at least one transverse pipe 36 is fixed with a translation oil cylinder 37, and the expansion and contraction direction of the translation oil cylinder 37 is vertical to the track 33; after the segment steel reinforcement cage is formed, the bending clamping rod 28 is required to be removed from the stirrup, and the translation oil cylinder 37 is started to push the first mounting rod 27 away so as not to block the lifting of the stirrup; after the segment steel cage is lifted away, the bending clamping rod 28 is restored to the original position.
As shown in fig. 14 to 18, two groups of fixing columns are respectively a first fixing column 25 and a second fixing column 26, and the distance between the first fixing column 25 and the second fixing column 26 is the sum of the length of the bottom edge and the length of one side edge of the stirrup; the distance from the assembling station to the second station, namely the translation distance of the bracket body is the length of the side edge of the stirrup; the stirrup refers to a stirrup steel bar 2 which is rectangular after being bent, and the stirrup steel bar 2 refers to a stirrup which is not yet bent, and can be straight or partially bent;
as shown in fig. 14, in the initial assembly station, the bending power bar 30 on the first fixing post 25 is just at the position of the upper left corner of the bending stirrup, and the bending power bar 30 on the second fixing post 26 is at the position of the lower right corner of the bending stirrup;
in the fourth step, the left upper corner is bent, and the bent stirrup is shown in fig. 15; then moving the bracket body from the initial assembling station to the second station, bending the left lower corner and the right upper corner, wherein the position of the bracket body after translation is shown in fig. 16, and the shape of the stirrup after bending the left lower corner and the right upper corner is shown in fig. 17; finally, the bracket body is moved from the second station to the initial assembling station, the right lower corner is bent, and the segment steel reinforcement cage is molded as shown in fig. 18;
through the reasonable overall arrangement of first fixed column 25 and second fixed column 26 for the support body only removes twice and can realize buckling of four angles of stirrup, and the route of two times removal is the same, and the opposite direction, after buckling, the support body returns to initial position, has been convenient for next operation, has improved production efficiency.
It is to be understood that the above description is exemplary only and that the embodiments of the present application are not limited thereto. The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the particular embodiments disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The automatic forming processing method of the segment steel cage is characterized by comprising the following steps of:
step one, processing a reinforcing steel bar mesh (1) through a segment reinforcing steel bar mesh automatic processing workbench;
step two, conveying the stirrup steel bars (2) to an assembling station on a bending machine after fixed-length material breaking; the stirrup steel bars (2) are horizontally arranged along the longitudinal direction, and all the stirrup steel bars (2) are orderly arranged along the arc-shaped support provided by the bending machine tool according to the design requirement;
transferring the reinforcing mesh (1) to a bending machine, wherein the reinforcing mesh (1) is vertically arranged, and the bottom reinforcement (12) of the reinforcing mesh (1) is supported by the middle part of the stirrup reinforcing steel bar (2);
moving the stirrup steel bars (2) by a bending machine tool and integrally bending the stirrup steel bars, bending each end of the stirrup steel bars (2) twice, wrapping the steel bar meshes (1) to form a segment steel bar cage, and keeping the positions of the steel bar meshes (1) unchanged all the time in the bending process; the four corners of the stirrup are respectively an upper left corner, a lower left corner, an upper right corner and a lower right corner; firstly, bending the left upper corner; then, enabling the stirrup steel bar (2) to horizontally move the length of the side edge of the stirrup leftwards, moving the stirrup steel bar from an initial assembling station to a second station, and bending a lower left corner and an upper right corner; finally, moving the stirrup steel bar (2) from the second station to an initial assembling station, and bending the lower right corner;
and fifthly, welding the crossing points of the reinforcement meshes (1) and the stirrup reinforcements (2).
2. The automatic forming and processing method of the segment steel cage according to claim 1, wherein the method comprises the following steps: the automatic processing workbench for the segment reinforcing steel mesh comprises a mesh workbench (38), a plurality of bottom limiting blocks (41) fixed on the surface of the mesh workbench (38), a plurality of side limiting blocks (40) arranged around the periphery of all the bottom limiting blocks (41) and a plurality of mechanical arms (39) arranged on the mesh workbench (38); the upper surface of the bottom limiting block (41) is inclined and used for automatically resetting the lacing wire (13).
3. The automated segment steel cage forming process of claim 2, wherein step one comprises the steps of: the mechanical arm (39) grabs the bottom rib (12) and is arranged in the corresponding limit block (40); a mechanical arm (39) is used for stretching the bar (13), and as for the bottom limiting block (41), the stretching bar (13) automatically returns to the design position; the mechanical arm (39) grabs gluten (11) and is arranged in the corresponding limit block (40); the reinforcement mesh (1) is integrally welded by using a welding gun (42).
4. The automatic forming and processing method of the segment steel cage according to claim 1, wherein the method comprises the following steps: the bending machine tool comprises a net piece locating rack for locating and moving the reinforcing steel bar net pieces (1) and two groups of reinforcing steel bar bending mechanisms;
the net piece positioning frame comprises two parallel tracks (33) and a bracket body capable of walking back and forth along the tracks (33); the bracket body comprises a plurality of upright posts sliding along the rails (33), and the upright posts on the two rails (33) are symmetrically arranged; the tops of the upright posts on the same track (33) are fixed with side plates (31), and the upper parts of the upright posts opposite to the different tracks (33) are fixed with reinforcing steel bar positioning cross bars; a plurality of net piece positioning clamping pieces (32) are arranged on the side plates (31) according to design requirements, and the reinforced net pieces (1) are clamped and fixed by the net piece positioning clamping pieces (32) after being transferred to the bracket body; the steel bar positioning cross rod is provided with a plurality of steel bar positioning clamping pieces (211) according to design requirements, the steel bar positioning clamping pieces (211) are arranged into an arc shape according to installation design requirements, arc-shaped support is provided for the stirrup steel bars (2), and the stirrup steel bars (2) are positioned by the steel bar positioning clamping pieces (211) after being fed onto the bracket body;
the steel bar bending mechanism comprises two fixed columns which are fixedly arranged, a first mounting rod (27) and a second mounting rod (29) which are arranged at the upper parts of the fixed columns, and the first mounting rods (27) of the two groups of steel bar bending mechanisms are arranged at the inner sides of the second mounting rods (29); a plurality of inverted L-shaped bending clamping rods (28) are vertically fixed on the first mounting rods (27), the bending clamping rods (28) are matched with the stirrup steel bars (2), the stirrup steel bars (2) penetrate through bending areas of the bending clamping rods (28), and the bending clamping rods (28) are used for pressing the stirrup steel bars (2) when bending the steel bars; the second installation pole (29) is gone up to rotate and is installed a plurality of power poles (30) of buckling of falling L type, power pole (30) of buckling is located under corresponding stirrup reinforcing bar (2) when being the level, power pole (30) of buckling and stirrup reinforcing bar (2) cooperation setting, power pole (30) of buckling rotate and upwards buckle stirrup reinforcing bar (2) after being driven.
5. The automatic forming and processing method of the segment steel cage according to claim 4, wherein the method comprises the following steps: the upright posts comprise 4 pairs, 2 pairs of upright posts are positioned between the two pairs of fixed posts, and 2 pairs of upright posts are positioned outside the two pairs of fixed posts; the upright posts between the two pairs of fixed posts are sliding middle posts (24), a middle positioning cross rod (23) is fixed on the sliding middle posts (24), and the middle positioning cross rod (23) is correspondingly arranged at the inner side of the most edge net piece positioning clamping piece (32); the upright posts which are arranged on the outer sides of the two pairs of fixed upright posts are sliding side posts (22), an end positioning cross rod (21) is fixed on the sliding side posts (22), and the end positioning cross rod (21) is correspondingly arranged at the end part of the stirrup reinforcing steel bar (2).
6. The automatic forming and processing method of the segment steel cage according to claim 4, wherein the method comprises the following steps: the rebar positioning clip (211) comprises a first sub-clip (321) and a second sub-clip (322) translatable relative to the first sub-clip (321); one side of the second sub-clamping piece (322) facing the first sub-clamping piece (321) is provided with a notch, and the notch can be reduced after the first sub-clamping piece (321) or the second sub-clamping piece (322) is driven to clamp the reinforcing mesh (1).
7. The automatic forming and processing method of the segment steel cage according to claim 4, wherein the method comprises the following steps: the bending machine tool further comprises a hydraulic telescopic rod (34) and an auxiliary mounting rod, wherein the hydraulic telescopic rod and the auxiliary mounting rod are matched with the bending power rod (30); the upper end of the hydraulic telescopic rod (34) is hinged with the bending power rod (30), the lower end of the hydraulic telescopic rod (34) is hinged with the auxiliary mounting rod, and the auxiliary mounting rod is fixed on the upright post.
8. The automatic forming and processing method of the segment steel cage according to claim 4, wherein the method comprises the following steps: translation mechanisms are arranged at two ends of the first mounting rod (27), and the translation mechanisms can integrally translate the first mounting rod (27) along the direction perpendicular to the track (33) so as to separate the stirrup reinforcing steel bar (2) from the bending area of the bending clamping rod (28); the translation mechanism comprises a sleeve (35) fixed on the fixed column, a transverse tube (36) arranged in the sleeve (35) in a sliding manner, and a translation oil cylinder (37) fixedly connected with the transverse tube (36) through a connecting frame; the transverse tube (36) is horizontally fixed at two ends of the first mounting rod (27), and the expansion and contraction direction of the translation oil cylinder (37) is perpendicular to the track (33).
9. The automatic forming and processing method of the segment steel cage according to claim 4, wherein the method comprises the following steps: the two groups of fixing columns are respectively a first fixing column (25) and a second fixing column (26), and the distance from the first fixing column (25) to the second fixing column (26) is the sum of the length of the bottom edge and the length of one side edge of the stirrup.
10. The automated segment steel cage forming process of claim 9, wherein: the four corners of the stirrup are respectively an upper left corner, a lower left corner, an upper right corner and a lower right corner;
in the fourth step, the upper left corner is bent first; then the bracket body is horizontally moved leftwards by the length of the side edge of the stirrup, the bracket body is moved from an initial assembling station to a second station, and the left lower corner and the right upper corner are bent; and finally, moving the bracket body from the second station to the initial assembling station, and bending the lower right corner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410179344.7A CN117718418B (en) | 2024-02-18 | 2024-02-18 | Automatic forming processing method for segment steel reinforcement cage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410179344.7A CN117718418B (en) | 2024-02-18 | 2024-02-18 | Automatic forming processing method for segment steel reinforcement cage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117718418A true CN117718418A (en) | 2024-03-19 |
| CN117718418B CN117718418B (en) | 2024-05-03 |
Family
ID=90200262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410179344.7A Active CN117718418B (en) | 2024-02-18 | 2024-02-18 | Automatic forming processing method for segment steel reinforcement cage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117718418B (en) |
Citations (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0435769A1 (en) * | 1989-12-29 | 1991-07-03 | Acor Aciers De Construction Rationalises | Method and automatic apparatus for making a metallic reinforcement and metallic reinforcement made by this method |
| JPH03281024A (en) * | 1990-03-16 | 1991-12-11 | Jiototsupu:Kk | Method and apparatus for making up reinforcing bar basket |
| EP0622136A1 (en) * | 1993-04-26 | 1994-11-02 | Michael R. Koch | Device for the production of reinforcement meshes for concrete panels |
| BE1010350A6 (en) * | 1996-06-12 | 1998-06-02 | Geest Eugeen De | Method for manufacturing folded structures and in particular for reinforced concrete and a device for this |
| US20050257482A1 (en) * | 2003-04-14 | 2005-11-24 | Galluccio Anton M | Broken-spiral stirrup and method for implementing the reinforcement of concrete structures |
| CN104525787A (en) * | 2014-12-03 | 2015-04-22 | 建科机械（天津）股份有限公司 | Hoop bending device of quadrate reinforcement cage forming machine |
| CN204817842U (en) * | 2015-07-23 | 2015-12-02 | 赵光林 | Cylindricality steel reinforcement cage processing equipment |
| CN105344892A (en) * | 2015-09-29 | 2016-02-24 | 建科机械（天津）股份有限公司 | Device for bending and welding stirrup on main reinforcements of square steel reinforcement cage |
| CN107717344A (en) * | 2017-09-20 | 2018-02-23 | 刘丙海 | A kind of subway segment steel reinforcement cage flowing water automated production forming method |
| JP2019039174A (en) * | 2017-08-23 | 2019-03-14 | 学校法人千葉工業大学 | Self-traveling rebar operating robot and self-traveling rebar binding robot |
| KR101970581B1 (en) * | 2018-11-22 | 2019-04-19 | 한국철강산업(주) | Jig device for manufacturing a reinforced square cage, method of manufacturing foldable reinforced square cage using the same |
| KR102004117B1 (en) * | 2019-01-08 | 2019-07-25 | 최정화 | steel reinforcement cage welding apparatus |
| CN110814208A (en) * | 2019-09-30 | 2020-02-21 | 浙江交工集团股份有限公司 | Processing technology of stirrup |
| CN110918838A (en) * | 2019-10-09 | 2020-03-27 | 中交第二航务工程局有限公司 | Spatial three-dimensional reinforcing mesh flexible manufacturing production line and production process thereof |
| WO2020187379A1 (en) * | 2019-03-19 | 2020-09-24 | German Machine Technics Aps | Assembly machine and a method for manufacturing reinforcement structures |
| CN212525832U (en) * | 2020-06-17 | 2021-02-12 | 建科机械（天津）股份有限公司 | Arc-shaped mesh welding forming machine for shield segment steel reinforcement cage |
| US20210206575A1 (en) * | 2020-01-07 | 2021-07-08 | Pj's Rebar Inc. | Rebar cage assembly machine |
| CN215090409U (en) * | 2021-04-01 | 2021-12-10 | 宁波智能交通科技有限公司 | Integrative crib crimper of rectangle of remaining silent or polygon steel reinforcement cage |
| CN114346129A (en) * | 2021-12-28 | 2022-04-15 | 中铁十四局集团有限公司 | Segment steel reinforcement cage processing method and segment steel reinforcement cage processing equipment |
| CN114439155A (en) * | 2020-11-03 | 2022-05-06 | 广东亿德兴工程建设有限公司 | Closed stirrup type reinforcement cage and manufacturing method thereof |
| CN115889636A (en) * | 2022-10-31 | 2023-04-04 | 湖南五新模板有限公司 | Steel reinforcement cage welding device and welding method thereof |
| CN219378829U (en) * | 2023-03-08 | 2023-07-21 | 中交一公局厦门工程有限公司 | Variable adjusting pipe sheet steel reinforcement cage fetal membrane frame |
| CN116984813A (en) * | 2023-09-27 | 2023-11-03 | 中交三航(南通)海洋工程有限公司 | Stacking device in shield segment steel reinforcement cage automatic welding equipment |
| CN117245038A (en) * | 2023-09-20 | 2023-12-19 | 深圳市三省智能制造设备有限公司 | Automatic assembling and welding method for steel bar net rack |
-
2024
- 2024-02-18 CN CN202410179344.7A patent/CN117718418B/en active Active
Patent Citations (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0435769A1 (en) * | 1989-12-29 | 1991-07-03 | Acor Aciers De Construction Rationalises | Method and automatic apparatus for making a metallic reinforcement and metallic reinforcement made by this method |
| JPH03281024A (en) * | 1990-03-16 | 1991-12-11 | Jiototsupu:Kk | Method and apparatus for making up reinforcing bar basket |
| EP0622136A1 (en) * | 1993-04-26 | 1994-11-02 | Michael R. Koch | Device for the production of reinforcement meshes for concrete panels |
| BE1010350A6 (en) * | 1996-06-12 | 1998-06-02 | Geest Eugeen De | Method for manufacturing folded structures and in particular for reinforced concrete and a device for this |
| US20050257482A1 (en) * | 2003-04-14 | 2005-11-24 | Galluccio Anton M | Broken-spiral stirrup and method for implementing the reinforcement of concrete structures |
| CN104525787A (en) * | 2014-12-03 | 2015-04-22 | 建科机械（天津）股份有限公司 | Hoop bending device of quadrate reinforcement cage forming machine |
| CN204817842U (en) * | 2015-07-23 | 2015-12-02 | 赵光林 | Cylindricality steel reinforcement cage processing equipment |
| CN105344892A (en) * | 2015-09-29 | 2016-02-24 | 建科机械（天津）股份有限公司 | Device for bending and welding stirrup on main reinforcements of square steel reinforcement cage |
| JP2019039174A (en) * | 2017-08-23 | 2019-03-14 | 学校法人千葉工業大学 | Self-traveling rebar operating robot and self-traveling rebar binding robot |
| CN107717344A (en) * | 2017-09-20 | 2018-02-23 | 刘丙海 | A kind of subway segment steel reinforcement cage flowing water automated production forming method |
| KR101970581B1 (en) * | 2018-11-22 | 2019-04-19 | 한국철강산업(주) | Jig device for manufacturing a reinforced square cage, method of manufacturing foldable reinforced square cage using the same |
| KR102004117B1 (en) * | 2019-01-08 | 2019-07-25 | 최정화 | steel reinforcement cage welding apparatus |
| WO2020187379A1 (en) * | 2019-03-19 | 2020-09-24 | German Machine Technics Aps | Assembly machine and a method for manufacturing reinforcement structures |
| CN110814208A (en) * | 2019-09-30 | 2020-02-21 | 浙江交工集团股份有限公司 | Processing technology of stirrup |
| CN110918838A (en) * | 2019-10-09 | 2020-03-27 | 中交第二航务工程局有限公司 | Spatial three-dimensional reinforcing mesh flexible manufacturing production line and production process thereof |
| US20210206575A1 (en) * | 2020-01-07 | 2021-07-08 | Pj's Rebar Inc. | Rebar cage assembly machine |
| CN212525832U (en) * | 2020-06-17 | 2021-02-12 | 建科机械（天津）股份有限公司 | Arc-shaped mesh welding forming machine for shield segment steel reinforcement cage |
| CN114439155A (en) * | 2020-11-03 | 2022-05-06 | 广东亿德兴工程建设有限公司 | Closed stirrup type reinforcement cage and manufacturing method thereof |
| CN215090409U (en) * | 2021-04-01 | 2021-12-10 | 宁波智能交通科技有限公司 | Integrative crib crimper of rectangle of remaining silent or polygon steel reinforcement cage |
| CN114346129A (en) * | 2021-12-28 | 2022-04-15 | 中铁十四局集团有限公司 | Segment steel reinforcement cage processing method and segment steel reinforcement cage processing equipment |
| CN115889636A (en) * | 2022-10-31 | 2023-04-04 | 湖南五新模板有限公司 | Steel reinforcement cage welding device and welding method thereof |
| CN219378829U (en) * | 2023-03-08 | 2023-07-21 | 中交一公局厦门工程有限公司 | Variable adjusting pipe sheet steel reinforcement cage fetal membrane frame |
| CN117245038A (en) * | 2023-09-20 | 2023-12-19 | 深圳市三省智能制造设备有限公司 | Automatic assembling and welding method for steel bar net rack |
| CN116984813A (en) * | 2023-09-27 | 2023-11-03 | 中交三航(南通)海洋工程有限公司 | Stacking device in shield segment steel reinforcement cage automatic welding equipment |
Non-Patent Citations (2)
| Title |
|---|
| 徐建华;杨彬;余政兵;刘兴胜;: "大型矩形抗滑桩预拼箍筋施工技术", 重庆建筑, no. 05, 25 May 2016 (2016-05-25), pages 45 - 48 * |
| 李宏伟, 熊高祥: "拼装式地连墙钢筋笼运输台车设计及使用", 建材与装饰, no. 10, 31 March 2018 (2018-03-31), pages 286 - 287 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117718418B (en) | 2024-05-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110449540B (en) | Steel reinforcement cage welding forming machine | |
| KR101958213B1 (en) | Apparatus and method for manufacturing preformed bar arranged structure for construction | |
| CN214719553U (en) | Straightening device for steel structure column beam | |
| CN114263116B (en) | Industrial construction method for reinforced parts of concrete bridge tower | |
| CN214732109U (en) | Mesh sheet type mesh frame welded square tube splicing conveyor | |
| CN117718418B (en) | Automatic forming processing method for segment steel reinforcement cage | |
| CN117505739A (en) | Box girder steel bar assembling jig frame and assembling method | |
| CN116618922A (en) | Truss forming device and truss positioning and fixing method | |
| CN115041885B (en) | Intelligent welding machine for high-speed rail box girder positioning net | |
| CN114289645B (en) | Production equipment and production process of prefabricated laminated floor steel mesh framework | |
| CN113927732B (en) | Machining system and machining method for web stirrups at bottom of small box girder | |
| CN210134655U (en) | Steel reinforcement framework forming system | |
| CN214489383U (en) | Box roof beam assembly positioning is with pressing from both sides roof beam frame | |
| CN211135343U (en) | Integral reinforcement cage welding machine | |
| CN110560531B (en) | Bidirectional bending device for wire-tube type condenser | |
| CN114042840A (en) | Method and device for preparing lower layer of reinforcement cage for high-speed rail plate | |
| CN108423590B (en) | Trolley for open cut culvert and tunnel pipe wall steel bar net rack translation assembly system and construction method | |
| CN219900828U (en) | Truss forming device | |
| CN218426529U (en) | Limiting device for lateral bending of wave-antinode plate | |
| CN216405144U (en) | Reinforcing bar block shaping bed-jig | |
| CN217967599U (en) | Reinforcing bar is pricked mould false inner membrane frock in advance | |
| CN219852756U (en) | Rectangular reinforcement cage welding equipment | |
| CN220217275U (en) | Operation platform for welding steel column | |
| CN220805833U (en) | Steel bar mesh cage welding device | |
| CN219484718U (en) | Reinforcing steel bar welding equipment for construction site |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |