Stirrup welding platform

Abstract

The stirrup welding platform comprises a welding table and a conveying mechanism, a through groove with an opening in the top is formed in the welding table, the conveying mechanism penetrates through the through groove, and the welding table is connected with a lifting assembly used for lifting the welding table. Before welding, the welding table can be driven to rise through the lifting assembly, the top of the welding table is made to be higher than the conveying mechanism, then the stirrup is placed on the welding table, and the stirrup is limited through the welding table so that welding can be facilitated. After welding is completed, the lifting assembly drives the welding table to descend, the stirrups are placed on the conveying mechanism, the welded stirrups are conveyed to the next station through the conveying mechanism, the process that the stirrups are conveyed in the air after being grabbed by a mechanical arm is omitted, the welded stirrups are directly conveyed on the conveying mechanism, the positions of the stirrups are fixed all the time, and accurate conveying of the stirrups can be achieved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of steel bar processing, and more particularly to a stirrup welding platform. BACKGROUND

[0002] In the production process of double-block sleepers, steel products such as trusses, stirrups, and hooks must be put in according to the technical process to assemble the steel framework of the sleeper and tightly combine with the concrete to enhance the strength of the sleeper.

[0003] The existing automatic assembly platform on the market is designed by referring to the manual assembly method and still uses finished hooks to assemble the trusses and stirrups. In the prior art, after the stirrup is welded, a mechanical arm is usually used to grab and transport the stirrup, which has very high requirements for the shape and position of the stirrup. Due to the inevitable slight deviations in actual production, it is difficult to achieve accurate grabbing and transporting of the stirrup. SUMMARY

[0004] To solve the above technical problems, the technical solution adopted by the present application is to provide a stirrup welding platform, which comprises a welding table and a conveying mechanism, the welding table is provided with a through slot with an open top, the conveying mechanism passes through the through slot, and the welding table is connected with a lifting assembly for lifting.

[0005] Optionally, the welding table is provided with a horizontal limiting assembly, a longitudinal limiting assembly, and a vertical limiting assembly for limiting the stirrup.

[0006] Optionally, the horizontal limiting assembly comprises a first air cylinder, the first air cylinder is connected with a push plate, the welding table is provided with a first limiting block, and the push plate is arranged opposite to the first limiting block.

[0007] Optionally, the longitudinal limiting assembly comprises a second air cylinder and a second limiting block, the telescopic end of the second air cylinder is provided with a pull plate connecting seat, the pull plate connecting seat is hinged with two or more pull plates, the other end of the pull plate is hinged with a movable push plate, the movable push plate is arranged opposite to the second limiting block, the bottom of the movable push plate is provided with a roller, the lower side of the second air cylinder is provided with a guide plate for guiding the roller, and the end of the guide plate in contact with the roller is a bevel.

[0008] Optionally, the vertical limiting assembly comprises a rotary down-pressing air cylinder, and the rotary down-pressing air cylinder is connected with a down-pressing piece.

[0009] Optionally, the conveying mechanism is a plate chain conveyor, and the plate chain conveyor is provided with a plurality of spring clamping seats for fixing the stirrup.

[0010] Optionally, the lifting assembly comprises a lifting cylinder mounting seat and a lifting cylinder, the telescopic end of the lifting cylinder is connected with a lifting tray, and the lifting tray is fixedly connected with the welding table.

[0011] Optionally, the sensor is connected with the controller, and the controller is connected with the conveying mechanism, the lifting assembly, the transverse limiting assembly, the longitudinal limiting assembly and the vertical limiting assembly respectively.

[0012] The hoop welding platform provided by the application has the beneficial effects that compared with the prior art, before welding, the welding table is lifted by the lifting assembly so that the top of the welding table is higher than the conveying mechanism, then the hoop is placed on the welding table, and the welding table limits the hoop so as to facilitate welding. After welding, the welding table is lowered by the lifting assembly, the hoop is placed on the conveying mechanism, and the welded hoop is conveyed to the next station by the conveying mechanism, thereby avoiding the process of being grabbed by the mechanical arm and conveyed in the air, the welded hoop is directly conveyed on the conveying mechanism, the position is fixed, and accurate conveying of the hoop can be realized. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the application, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description only some embodiments of the application, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings.

[0014] Figure 1 The overall structure schematic diagram of the hoop welding platform provided by the embodiment of the application is shown in the figure.

[0015] Figure 2 The structure schematic diagram of the hoop welding platform provided by the embodiment of the application is shown in the figure.

[0016] Figure 3 The structure schematic diagram of the longitudinal limiting assembly in the hoop welding platform provided by the embodiment of the application is shown in the figure.

[0017] Figure 4 The structure schematic diagram of the vertical limiting assembly in the hoop welding platform provided by the embodiment of the application is shown in the figure.

[0018] In the figure, various reference signs are as follows:

[0019] 1, welding platform; 11, through slot; 2, transverse limiting assembly; 21, first air cylinder; 22, push plate; 23, first limiting block; 3, longitudinal limiting assembly; 31, second air cylinder; 32, movable push plate; 33, pull plate connecting seat; 34, pull plate; 35, guide plate; 36, second limiting block; 4, lifting assembly; 41, lifting air cylinder; 42, lifting air cylinder mounting seat; 43, lifting tray; 44, guide rod; 5, vertical limiting assembly; 51, rotary down pressure air cylinder; 52, bolt; 6, conveying mechanism; 61, spring clamp seat; 7, support frame. DETAILED DESCRIPTION

[0020] In order to make the technical problems, technical solutions and beneficial effects of the present application clearer, the present application will be further described in detail below in conjunction with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application and not to limit the present application.

[0021] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0022] It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0023] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0024] Please refer to Figures 1-4 for a description of the stirrup welding platform provided by the embodiments of the present application.

[0025] A stirrup welding platform, comprising a welding platform 1 and a conveying mechanism 6, the welding platform 1 is provided with a through slot 11 with an open top, the conveying mechanism 6 passes through the through slot 11, and the welding platform 1 is connected with a lifting assembly 4 for lifting.

[0026] Before welding, the lifting assembly 4 drives the welding table 1 to rise, so that the top of the welding table 1 is higher than the conveying mechanism 6, and then the stirrup is placed on the welding table 1, and the welding table 1 is used to limit the stirrup to facilitate welding. After welding, the lifting assembly 4 drives the welding table 1 to descend, and the stirrup is placed on the conveying mechanism 6, and the conveying mechanism 6 is used to convey the welded stirrup to the next station, thereby saving the process of grabbing and conveying in the air by the mechanical arm, and the welded stirrup is directly conveyed on the conveying mechanism 6, so that the position is fixed, and accurate conveying of the stirrup can be realized.

[0027] In some embodiments of the present application, referring to Figure 2 , the welding table 1 is provided with a transverse limiting assembly 2, a longitudinal limiting assembly 3 and a vertical limiting assembly 5 for limiting the stirrup.

[0028] The transverse limiting assembly 2, the longitudinal limiting assembly 3 and the vertical limiting assembly 5 can limit the position of the stirrup, so that the shape and size of the stirrup are consistent, and the stirrup is convenient to weld.

[0029] In some embodiments of the present application, referring to Figure 2 , the transverse limiting assembly 2 comprises a first air cylinder 21, the first air cylinder 21 is connected with a push plate 22, the welding table 1 is provided with a first limiting block 23, and the push plate 22 is arranged opposite to the first limiting block 23.

[0030] The first air cylinder 21 can drive the push plate 22 to move, so as to adjust the distance between the push plate 22 and the first limiting block 23, thereby limiting the transverse direction of the stirrup.

[0031] In some embodiments of the present application, referring to Figure 3 , the longitudinal limiting assembly 3 comprises a second air cylinder 31 and a second limiting block, the telescopic end of the second air cylinder 31 is provided with a pull plate connecting seat 33, the pull plate connecting seat 33 is hinged with two or more pull plates 34, the other end of the pull plate 34 is hinged with a movable push plate 32, the movable push plate 32 is arranged opposite to the second limiting block 36, the bottom of the movable push plate 32 is provided with a roller, the lower side of the second air cylinder 31 is provided with a guide plate 35 for guiding the roller, and one end of the guide plate 35 in contact with the roller is a bevel.

[0032] The second cylinder 31 can drive the pull plate 34 connecting seat to move, the pull plate 34 connecting seat can drive the movable push plate 32 to move to the second limiting block 36 through a plurality of pull plates 34 hinged thereto, and the bottom of the movable push plate 32 is provided with a roller which can roll on the inclined surface of the guide plate 35, so that the movable push plate 32 moves upward, the movable push plate extends out of the plane where the welding table 1 is located, and abuts against one side of the stirrup, the movable push plate 32 moves to one side of the second limiting block 36, so that the stirrup abuts against the second limiting block 36, and the longitudinal limiting of the stirrup is realized.

[0033] In some embodiments of the present application, referring to Figure 4 , the vertical limiting assembly 5 comprises a rotary down-pressing cylinder 51 connected with a down-pressing piece.

[0034] The rotary down-pressing cylinder 51 can drive the execution end on the upper part thereof to lift and rotate, and a bolt 52 is arranged on the execution end for mounting the down-pressing piece (not shown in the figure), the execution piece can be driven to rotate and move up and down through the rotary down-pressing cylinder 51, so that the stirrup is pressed tightly, the vertical limiting of the stirrup is realized, and the welding is facilitated. Alternatively, the down-pressing piece can be a pressing plate.

[0035] In some embodiments of the present application, referring to Figure 1 , the conveying mechanism 6 is a plate chain conveyor, and a plurality of spring clamping seats 61 for fixing the stirrup are arranged on the plate chain conveyor.

[0036] After the welding is completed, the lifting assembly 4 drives the welding table 1 to descend, so that the stirrup falls on the plate chain conveyor, and the welded stirrup can be limited through the plurality of spring clamping seats 61, so that the stirrup is stably conveyed on the plate chain conveyor.

[0037] In some embodiments of the present application, referring to Figure 2 , the lifting assembly 4 comprises a lifting cylinder mounting seat 42 and a lifting cylinder 41, the telescopic end of the lifting cylinder 41 is connected with a lifting tray 43, and the lifting tray 43 is fixedly connected with the welding table 1.

[0038] The lifting cylinder 41 is mounted through the lifting cylinder mounting seat 42, the telescopic end of the lifting cylinder 41 can drive the lifting tray 43 to lift, so as to drive the welding table 1 to lift, and the lifting of the stirrup is realized.

[0039] In some embodiments of the present application, referring to Figure 2 , four guide rods 44 are arranged on the lifting tray 43, the lower ends of the four guide rods 44 pass through the lifting cylinder mounting seat 42 and are slidably connected with the lifting cylinder mounting seat 42, so as to improve the stability of the lifting assembly 4.

[0040] In some embodiments of the present application, referring to Figure 1Further comprising a support frame 7, the lifting assembly 4 is arranged on the support frame 7, and specifically, the mounting seat is fixedly connected with the support frame 7. The plate chain conveyor is arranged on the top of the support frame 7.

[0041] In some embodiments of the present application, a sensor and a controller are further included, the sensor is connected with the controller, and the controller is connected with the conveying mechanism 6, the lifting assembly 4, the transverse limiting assembly 2, the longitudinal limiting assembly 3 and the vertical limiting assembly 5 respectively.

[0042] Specifically, the sensor is mainly distributed on the cylinder and fixed detection positions. When a signal is triggered, the sensor feeds back the signal to the PLC controller. After obtaining the signal, the PLC controller issues a corresponding command according to the current feedback signal to control the cylinder or the motor and the like to run. The control principle of the PLC controller is the prior art, and thus will not be described herein.

[0043] The above merely describes the preferred embodiments of the present application and should not be used to limit the present application. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A stirrup welding platform, characterized in that: It includes a welding table and a conveying mechanism. The welding table is provided with a through groove with an opening at the top. The conveying mechanism passes through the through groove. The welding table is connected to a lifting assembly for lifting and lowering it.

2. The stirrup welding platform as described in claim 1, characterized in that: The welding platform is equipped with a lateral limiting component, a longitudinal limiting component, and a vertical limiting component for limiting the position of the stirrups.

3. The stirrup welding platform as described in claim 2, characterized in that: The lateral limiting component includes a first cylinder, which is connected to a push plate. A first limiting block is provided on the welding table, and the push plate is disposed opposite to the first limiting block.

4. The stirrup welding platform as described in claim 2, characterized in that: The longitudinal limiting component includes a second cylinder and a second limiting block. The telescopic end of the second cylinder is provided with a pull plate connecting seat. The pull plate connecting seat is hinged to two or more pull plates. The other end of the pull plate is hinged to a movable push plate. The movable push plate is arranged opposite to the second limiting block. The bottom of the movable push plate is provided with a roller. Below the second cylinder is a guide plate for guiding the roller. The end of the guide plate that contacts the roller is an inclined surface.

5. The stirrup welding platform as described in claim 2, characterized in that: The vertical limiting assembly includes a rotary pressing cylinder, which is connected to a pressing component.

6. The stirrup welding platform as described in claim 1, characterized in that: The conveying mechanism is a plate chain conveyor, which is equipped with multiple spring holders for fixing the stirrups.

7. The stirrup welding platform as described in claim 1, characterized in that: The lifting assembly includes a lifting cylinder mounting base and a lifting cylinder. The telescopic end of the lifting cylinder is connected to a lifting tray, and the lifting tray is fixedly connected to the welding table.

8. The stirrup welding platform as described in claim 2, characterized in that: It also includes sensors and controllers, the sensors being connected to the controllers, and the controllers being connected to the conveying mechanism, the lifting assembly, the lateral limiting assembly, the longitudinal limiting assembly, and the vertical limiting assembly, respectively.

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