Automatic equipment for continuously welding reinforcing steel bars

Abstract

The utility model relates to the technical field of welding equipment, and discloses automatic equipment for continuously welding reinforcing steel bars, which comprises a gantry welding machine, traveling mechanisms are fixedly connected to two ends of the bottom of the gantry welding machine, and ground rails are slidably connected to the bottoms of the traveling mechanisms. Four sets of servo lifting assemblies are fixedly installed on the two sides of the top of the gantry welding machine, the gantry welding machine is divided into a left part and a right part which are completely consistent in structure, and four layers of welding platforms are arranged in the gantry welding machine from bottom to top; wherein lead screw transverse moving assemblies, electric resistance welding assemblies, longitudinal bar guiding mechanisms and stirrup positioning mechanisms are arranged in the second to fourth layers of welding platforms, and a rotating assembly is additionally arranged on the lowermost first layer of welding platform on the basis of the second to fourth layers of structures. According to the automatic equipment for continuously welding the reinforcing steel bars, full automation is achieved on the basis of an existing manual stirrup welding mode, and compared with the existing manual welding mode, the production efficiency and the product percent of pass of products can be effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding equipment technical field, concretely is a kind of automatic equipment of continuous welding reinforcement. BACKGROUND

[0002] Welding hoop is a commonly used reinforcement connection and reinforcement mode in construction engineering, hoop is connected together by welding mode, forms a whole reinforcement framework, to enhance the strength, rigidity and stability of concrete structure, in concrete structure, hoop mainly bears shear force and torque, and welding hoop can better play its mechanical properties, improve the load-carrying capacity of structure.

[0003] The existing welding mode is that manual puts longitudinal reinforcement and hoop into corresponding mould of mould and fixes it. After fixing, manual welding is carried out. The whole process is operated by manual, and the longitudinal reinforcement welding position cannot be guaranteed due to too many uncontrollable factors of manual operation, and manual operation has certain safety risk. Due to the size of mesh longitudinal reinforcement and the non-fixed welding position, the manual must adjust the longitudinal reinforcement mould spacing when producing another product, so as to greatly reduce the production efficiency. Our goal is to reduce the production rhythm of the whole welding process and improve the qualified rate of product. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides a kind of automatic equipment of continuous welding reinforcement, with the advantages of being able to realize automatic welding, the equipment can be compatible with different product sizes, and the welding of product can be completed without manual operation, thereby further reducing the production rhythm of the whole welding process and improving the qualified rate of product, effectively playing the role of reducing cost and increasing benefit, and solving the problems raised in the background art.

[0005] The utility model provides the following technical scheme: a kind of automatic equipment of continuous welding reinforcement, including gantry welder, the bottom of the gantry welder both ends is fixedly connected with travelling mechanism, the bottom of the travelling mechanism is slidably connected with ground rail, the top of the gantry welder both sides is fixedly installed with four groups of servo lifting assembly, the gantry welder is divided into left and right two parts, two parts are completely consistent in structure, and inside is also provided with four layers of welding platform from bottom to top, wherein two to four layers of welding platform are provided with screw rod transverse moving component, resistance welding component, longitudinal reinforcement guide mechanism, hoop positioning mechanism, wherein the first layer welding platform of bottommost is increased rotary assembly on the basis of the structure of second to fourth layers.

[0006] Preferably, the output shaft of the four servo lifting assemblies is provided with a screw rod transverse moving assembly, the four screw rod transverse moving assemblies are parallel to each other, the screw rod transverse moving assembly comprises a fixed plate, a servo motor, a ball screw, a spring floating mechanism and a mounting plate, the output shaft of the servo lifting assembly is sleeved with the fixed plate, one side of the fixed plate is fixedly provided with the servo motor, the output shaft of the servo motor is fixedly connected with the ball screw, the surface of the ball screw is sleeved with the spring floating mechanism, and one side of the spring floating mechanism is fixedly connected with the mounting plate.

[0007] Preferably, the top of the screw rod transverse moving assembly is provided with a rotating assembly, the rotating assembly comprises a translation cylinder, a rack, a rotating shaft and a gear, the top of the mounting plate in the first layer of the bottommost welding platform is fixedly provided with the translation cylinder, the output shaft of the translation cylinder is fixedly connected with the rack, the top of the mounting plate is rotatably connected with the rotating shaft, one end of the rotating shaft is fixedly connected with the gear, and the gear is meshed with the rack.

[0008] Preferably, the top of the screw rod transverse moving assembly is provided with a resistance welding assembly, the resistance welding assembly comprises a driving cylinder, a red copper braid, an upper electrode and a lower electrode, the driving cylinder of one layer of space is arranged on one end of the rotating shaft, and the driving cylinders of the remaining three layers of space are arranged on the top of the mounting plate, the output shaft of the driving cylinder is fixedly connected with the red copper braid, one side of the red copper braid is fixedly provided with the upper electrode, and one side of the upper electrode is fixedly provided with the lower electrode.

[0009] Preferably, the resistance welding assembly is provided with a longitudinal rib guiding mechanism on the two sides, the longitudinal rib guiding mechanism comprises a rotary joint, a spring floating structure, an adjustable guide wheel and a longitudinal rib guiding groove, the two sides of the resistance welding assembly are slidably connected with the rotary joint, one side top of the rotary joint is fixedly connected with the spring floating structure, the bottom end of the spring floating structure is fixedly connected with the adjustable guide wheel, and one side of the rotary joint is fixedly connected with the longitudinal rib guiding groove.

[0010] Preferably, one end of the resistance welding assembly is provided with a stirrup positioning mechanism, the stirrup positioning mechanism comprises a left-right double-stroke cylinder, a front-rear cylinder and a righting positioning fork, the left-right double-stroke cylinder is fixedly arranged on one side of the resistance welding assembly, the output shaft of the left-right double-stroke cylinder is fixedly connected with the front-rear cylinder, and the output shaft of the front-rear cylinder is fixedly connected with the righting positioning fork.

[0011] Preferably, the inside of the portal welding machine is provided with a stirrup workpiece.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. The automatic equipment for continuous welding steel bars, based on the existing manual welding hoop bar method, realizes full automation. Compared with the existing manual welding method, the production rhythm and product qualification rate can be effectively improved. In terms of improving the product qualification rate, the structure welding and hoop guide insert are designed with floating structure, which effectively improves the fault tolerance of the product.

[0014] 2. The automatic equipment for continuous welding steel bars, in terms of control cost, the equipment is compatible with various steel bar welding positions, without the need to make corresponding molds for different product sizes, effectively reducing production cost. In terms of operation simplicity, the worker only needs to realize the automatic welding process through the button box, without the need to undergo professional training and have practical experience before work, like before, to efficiently make qualified products. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A device overall structure schematic view of the automatic equipment for continuous welding steel bars provided by the utility model;

[0016] Figure 2 A gantry welding machine structure schematic view of the automatic equipment for continuous welding steel bars provided by the utility model;

[0017] Figure 3 A gantry welding machine single-layer structure schematic view of the automatic equipment for continuous welding steel bars provided by the utility model;

[0018] Figure 4 A screw rod horizontal moving assembly structure schematic view of the automatic equipment for continuous welding steel bars provided by the utility model;

[0019] Figure 5 A rotating assembly structure schematic view of the automatic equipment for continuous welding steel bars provided by the utility model;

[0020] Figure 6 A resistance welding assembly structure schematic view of the automatic equipment for continuous welding steel bars provided by the utility model;

[0021] Figure 7 A longitudinal bar guide mechanism structure schematic view of the automatic equipment for continuous welding steel bars provided by the utility model

[0022] Figure 8 A hoop bar positioning mechanism structure schematic view of the automatic equipment for continuous welding steel bars provided by the utility model

[0023] Figure 9 A hoop bar workpiece structure schematic view of the automatic equipment for continuous welding steel bars provided by the utility model.

[0024] In the figure: 1, gantry welding machine; 2, walking mechanism; 3, ground rail; 4, servo lifting assembly; 5, screw cross-moving assembly; 501, fixed plate; 502, servo motor; 503, ball screw; 504, spring floating mechanism; 505, mounting plate; 6, rotating assembly; 601, translation cylinder; 602, rack; 603, rotating shaft; 604, gear; 7, resistance welding assembly; 701, driving cylinder; 702, copper braid; 703, upper electrode; 704, lower electrode; 8, longitudinal reinforcement guiding mechanism; 801, rotating joint; 802, spring floating structure; 803, adjustable guide wheel; 804, longitudinal reinforcement guiding groove; 9, stirrup positioning mechanism; 901, left and right double-stroke cylinder; 902, front and rear cylinder; 903, righting positioning fork; 10, stirrup workpiece. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] Please refer to Figures 1 to 9 An automatic equipment for continuously welding steel bars comprises a gantry welding machine 1, walking mechanisms 2 are fixedly connected to the two ends of the bottom of the gantry welding machine 1, ground rails 3 are slidingly connected to the bottom of the walking mechanisms 2, a stirrup workpiece 10 is arranged in the interior of the gantry welding machine 1, four groups of servo lifting assemblies 4 are fixedly installed on the top of the two sides of the gantry welding machine 1, the servo lifting assemblies 4 are lifted in the mode of motor plus screw rod, the gantry welding machine 1 is divided into left and right two parts, the two parts are completely consistent in structure, and four layers of welding platforms from bottom to top are further arranged in the interior, among which, screw cross-moving assemblies 5, resistance welding assemblies 7, longitudinal reinforcement guiding mechanisms 8 and stirrup positioning mechanisms 9 are arranged in the second to fourth layers of welding platforms, and a rotating assembly 6 is further arranged in the bottommost layer of welding platform based on the structure of the second to fourth layers.

[0027] The longitudinal steel bars of the stirrup workpiece 10 are longitudinal reinforcement, and the transverse steel bars are stirrup. The walking assembly is composed of the walking mechanisms 2 and the ground rails 3, and provides walking power for the gantry welding machine 1. Since the longitudinal reinforcement welding position is on the left and right sides of the stirrup, the gantry welding machine 1 is divided into left and right welding gantries, and the structures of the two sides of the welding gantries are completely consistent. Taking the left welding gantry as an example, the left welding gantry can be divided into four layers, each layer is lifted in the mode of motor plus screw rod transmission, four sets of servo lifting assemblies 4 are correspondingly arranged in the four layers, and the specific lifting position is determined according to the longitudinal reinforcement welding position of the product.

[0028] Please refer to Figures 1 to 4, the output shaft of the four groups of servo lifting assemblies 4 is provided with a screw rod transverse moving assembly 5, the four screw rod transverse moving assemblies 5 are parallel to each other in the up-down direction, the screw rod transverse moving assembly 5 comprises a fixed plate 501, a servo motor 502, a ball screw rod 503, a spring floating mechanism 504 and a mounting plate 505, the output shaft of the servo lifting assembly 4 is sleeved with the fixed plate 501, one side of the fixed plate 501 is fixedly provided with the servo motor 502, the output shaft of the servo motor 502 is fixedly connected with the ball screw rod 503, the surface of the ball screw rod 503 is sleeved with the spring floating mechanism 504, one side of the spring floating mechanism 504 is fixedly connected with the mounting plate 505;

[0029] The screw rod transverse moving assembly 5 is mainly used for moving the rotary assembly 6, the resistance welding assembly 7, the longitudinal rib guiding mechanism 8 and the stirrup positioning mechanism 9 in the front-back direction, because the gantry welding machine 1 needs to be compatible with different product welding sizes, the widths of the left and right sides of the stirrup also have differences, therefore, the screw rod transverse moving assembly 5 is used for adjusting the positions of the three sets of mechanisms, the ball screw rod 503 and the servo motor 502 are adopted to realize accurate positioning and have high structural strength, in order to increase the fault tolerance of the welding position of the stirrup and the longitudinal rib, the spring floating mechanism 504 is additionally arranged in the transverse direction.

[0030] Please refer to Figures 1 to 5 The top of the screw rod transverse moving assembly 5 is provided with the rotary assembly 6, the rotary assembly 6 comprises a translation air cylinder 601, a rack 602, a rotary shaft 603 and a gear 604, the top of the mounting plate 505 in the bottommost first layer welding platform is fixedly provided with the translation air cylinder 601, the output shaft of the translation air cylinder 601 is fixedly connected with the rack 602, the top of the mounting plate 505 is rotatably connected with the rotary shaft 603, one end of the rotary shaft 603 is fixedly connected with the gear 604, and the gear 604 is meshed with the rack 602.

[0031] When the rotary assembly 6 moves, the translation air cylinder 601 moves forward to push the rack 602 to move forward, after the rack 602 moves forward, the gear 604 rotates through the meshing teeth to convert linear motion into rotary motion, drives the rotary shaft 603 to rotate, thereby driving the resistance welding assembly 7 and the longitudinal rib guiding mechanism 8 to rotate, and the rotation angle can be adjusted by adjusting the distance of the air cylinder pushing the rack 602.

[0032] Please refer to Figures 1 to 6 The top of the screw rod transverse moving assembly 5 is provided with the resistance welding assembly 7, the resistance welding assembly 7 comprises a driving air cylinder 701, a copper braid 702, an upper electrode 703 and a lower electrode 704, the driving air cylinder 701 in one layer space is installed on one end of the rotary shaft 603, and the driving air cylinders 701 in the remaining three layer spaces are installed on the top of the mounting plate 505, the output shaft of the driving air cylinder 701 is fixedly connected with the copper braid 702, one side of the copper braid 702 is fixedly provided with the upper electrode 703, and one side of the upper electrode 703 is fixedly provided with the lower electrode 704.

[0033] The working principle of resistance welding is to use the resistance heat generated by the current passing through the welding parts and the contact as a heat source to locally heat the welding parts, and to weld under pressure.

[0034] Please refer to Figures 1 to 7 The resistance welding assembly 7 is provided with a longitudinal rib guiding mechanism 8 on one side of the resistance welding assembly 7, and the longitudinal rib guiding mechanism 8 comprises a rotary joint 801, a spring floating structure 802, an adjustable guide wheel 803 and a longitudinal rib guiding groove 804.

[0035] The longitudinal rib guiding mechanism 8 is composed of the adjustable guide wheel 803, the longitudinal rib guiding groove 804 and the spring floating structure 802, and the longitudinal rib guiding mechanism is installed on a linear guide rail.

[0036] Please refer to Figures 1 to 8 The resistance welding assembly 7 is provided with a hoop rib positioning mechanism 9 at one end of the resistance welding assembly 7, and the hoop rib positioning mechanism 9 comprises a left-right double-stroke cylinder 901, a front-rear cylinder 902 and a righting positioning fork 903.

[0037] When the hoop rib positioning mechanism 9 moves, the left-right double-stroke cylinder 901 on the side extends and drives the righting positioning fork 903 to move to the left side.

[0038] In the utility model, the working steps of the device are as follows:

[0039] In use, the gantry welder 1 slides on the ground rail 3 through the walking mechanism 2, can move to the designated position according to the position of the stirrup workpiece 10, and can drive the four-layer welding platform inside the gantry welder 1 to move up and down on the linear slide rail through the servo lifting assembly 4, the stop position of the welding platform is determined according to the stirrup welding position, after the position adjustment of the welding platform is completed, the longitudinal reinforcement guiding mechanism 8 is adjusted manually, the longitudinal reinforcement is inserted into the longitudinal reinforcement guiding mechanism 8, and the gantry welder 1 is moved to the stirrup welding position, at the same time, the longitudinal reinforcement also moves forward and lifts through the longitudinal reinforcement guiding mechanism 8, then the stirrup is welded through the resistance welding assembly 7 in the four-layer welding platform in the gantry welder 1, the whole welding mechanism is translated forward through the screw cross-moving assembly 5, the welding mechanism is rotated through the rotating assembly 6 to increase flexibility, the stirrup is positioned through the stirrup positioning mechanism 9 to prevent the position deviation of the stirrup during the welding process, and different positions of the stirrup can be welded as the gantry welder 1 continues to walk.

[0040] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0041] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments change, modify, replace, and vary in many ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An automated apparatus for continuous welding of reinforcement bars, comprising a gantry welder (1), characterized in that, The bottom of the gantry welder (1) is fixedly connected with walking mechanisms (2), the bottom of the walking mechanisms (2) is slidably connected with ground rails (3), the top of the gantry welder (1) is fixedly installed with four groups of servo lifting assemblies (4), the gantry welder (1) is divided into left and right two parts, the two parts are completely consistent in structure, and four layers of welding platforms are further arranged inside from bottom to top, wherein the second to fourth layers of welding platforms are provided with screw rod transverse moving assemblies (5), resistance welding assemblies (7), longitudinal rib guide mechanisms (8) and stirrup positioning mechanisms (9), and the first layer of welding platform at the bottom is additionally provided with a rotating assembly (6) based on the structure of the second to fourth layers.

2. An automated apparatus for continuous welding of reinforcing bars as claimed in claim 1, wherein: The output shaft of each of the four groups of servo lifting assemblies (4) is provided with a screw rod transverse moving assembly (5), the four screw rod transverse moving assemblies (5) are parallel to each other, and the screw rod transverse moving assembly (5) comprises a fixed plate (501), a servo motor (502), a ball screw (503), a spring floating mechanism (504) and a mounting plate (505), the output shaft of the servo lifting assembly (4) is sleeved with the fixed plate (501), one side of the fixed plate (501) is fixedly installed with the servo motor (502), the output shaft of the servo motor (502) is fixedly connected with the ball screw (503), the surface of the ball screw (503) is sleeved with the spring floating mechanism (504), and one side of the spring floating mechanism (504) is fixedly connected with the mounting plate (505).

3. An automated apparatus for continuous welding of reinforcing bars as claimed in claim 2, wherein: The top of the screw rod transverse moving assembly (5) is provided with a rotating assembly (6), the rotating assembly (6) comprises a translation cylinder (601), a rack (602), a rotating shaft (603) and a gear (604), the top of the mounting plate (505) of the first layer of welding platform at the bottom is fixedly installed with the translation cylinder (601), the output shaft of the translation cylinder (601) is fixedly connected with the rack (602), the top of the mounting plate (505) is rotatably connected with the rotating shaft (603), one end of the rotating shaft (603) is fixedly connected with the gear (604), and the gear (604) is meshed with the rack (602).

4. An apparatus for continuous welding of reinforcement bars as claimed in claim 1, wherein: The top of the screw rod transverse moving assembly (5) is provided with a resistance welding assembly (7), the resistance welding assembly (7) comprises a driving cylinder (701), a copper braid (702), an upper electrode (703) and a lower electrode (704), the driving cylinder (701) of one layer of space is installed on one end of the rotating shaft (603), the driving cylinders (701) in the remaining three layers of space are installed on the top of the mounting plate (505), the output shaft of the driving cylinder (701) is fixedly connected with the copper braid (702), one side of the copper braid (702) is fixedly installed with the upper electrode (703), and one side of the upper electrode (703) is fixedly installed with the lower electrode (704).

5. An apparatus for continuous welding of reinforcement bars as claimed in claim 1, wherein: One side of the resistance welding assembly (7) is provided with longitudinal reinforcement guide mechanism (8), the longitudinal reinforcement guide mechanism (8) includes rotating joint (801), spring floating structure (802), adjustable guide wheel (803), longitudinal reinforcement guide slot (804), the two sides of the resistance welding assembly (7) are slidably connected with rotating joint (801), one side top of the rotating joint (801) is fixedly connected with spring floating structure (802), the bottom end of the spring floating structure (802) is fixedly connected with adjustable guide wheel (803), one side of the rotating joint (801) is fixedly connected with longitudinal reinforcement guide slot (804).

6. An automated apparatus for continuous welding of reinforcing bars as claimed in claim 1, wherein: One end of the resistance welding assembly (7) is provided with stirrup positioning mechanism (9), the stirrup positioning mechanism (9) includes left and right double stroke cylinder (901), front and rear cylinder (902), righting positioning fork (903), one side of the resistance welding assembly (7) is fixedly installed with left and right double stroke cylinder (901), the output shaft of the left and right double stroke cylinder (901) is fixedly connected with front and rear cylinder (902), the output shaft of the front and rear cylinder (902) is fixedly connected with righting positioning fork (903).

7. An automated apparatus for continuous welding of reinforcing bars as claimed in claim 1, wherein: The inside of the portal welding machine (1) is provided with stirrup workpiece (10).

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