Rectangular stirrup welding robot

Abstract

The utility model relates to the technical field of reinforcing steel bar machining, and discloses a rectangular stirrup welding robot which comprises a welding manipulator and a welding rack, a top plate is installed at the top end of the welding rack, and a protruding plate is integrally formed on the side, facing the welding manipulator, of the top plate. Two penetrating grooves used for supporting the protruding plate are welded to the side, close to the protruding plate, of the welding rack. According to the rectangular stirrup welding robot, formed stirrups are firstly positioned through the stirrup positioning device, clamped through the stirrup positioning device and automatically welded through the welding manipulator, and the welded stirrups are automatically discharged through the automatic stirrup discharging device, so that labor is saved, safety is enhanced, and production efficiency is improved. The machining efficiency and the product quality are guaranteed, and the product percent of pass is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of steel bar processing, in particular to a rectangular stirrup welding robot. Background Art

[0002] Stirrups are used to meet the shear strength of the inclined section and connect the main reinforcement and the steel bars of the mixed reinforcement skeleton in the compression zone. They are divided into single-leg stirrups, open rectangular stirrups, closed rectangular stirrups, diamond stirrups, polygonal stirrups, tic-tac-toe stirrups and circular stirrups.

[0003] With regard to the existing related technologies, the inventors believe that the following defects often exist: the current stirrup welding process in the industry is as follows: after the steel bars are bent and formed, they need to be manually positioned and fixed, the manual positioning error is large, the product qualification rate is low, and manual welding is required after positioning and fixing, which has low efficiency, high cost and high risk factor.

[0004] To this end, we propose a rectangular stirrup welding robot. Utility Model Content

[0005] In view of the above-mentioned existing stirrup welding process in the industry is as follows: after the steel bar is bent and formed, it needs to be manually positioned and fixed, the manual positioning error is large, the product qualification rate is low, and after positioning and fixing, manual welding is required, the manual welding efficiency is low, the cost is high, and the risk factor is high, the utility model is proposed.

[0006] Therefore, the utility model aims to provide a rectangular stirrup welding robot, which aims to: mechanize positioning, clamping, welding, and self-unloading after welding, effectively improve the product qualification rate and reduce the risk factor.

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions: a rectangular stirrup welding robot, comprising a welding manipulator, a welding frame and two convex frames, a top plate is installed on the top of the welding frame, a convex plate is integrally formed on the side of the top plate facing the welding manipulator, and two through grooves for supporting the convex plate are welded on the side of the welding frame close to the convex plate;

[0008] A stirrup clamping device for clamping rectangular stirrups is installed between the bosses on both sides, and an automatic stirrup unloading device for unloading rectangular stirrups is rotatably installed between the bosses on both sides. A stirrup positioning device is installed on the side of the welding frame close to the boss and on the side of the boss away from the welding robot.

[0009] As a preferred solution of the rectangular stirrup welding robot described in the utility model, the stirrup positioning device includes a fixed vertical plate welded to the side of the welding frame close to the protrusion, two connecting rods are interspersed on the fixed vertical plate, and a positioning vertical plate is fixedly connected between the ends of the two connecting rods close to the protrusion.

[0010] As a preferred solution of the rectangular stirrup welding robot described in the utility model, one of the connecting rods is a threaded rod, the other connecting rod is a guide rod, threaded holes and sliding holes are respectively penetrated on the fixed vertical plates, the fixed vertical plates are threadedly transmitted with the threaded rods through the threaded holes, and the fixed vertical plates slide with the guide rods through the sliding holes.

[0011] As a preferred solution of a rectangular stirrup welding robot described in the utility model, the stirrup clamping device includes a cylinder 1 installed between the two side bosses, the movable end of the cylinder 1 is fixedly connected to a translation plate, a movable clamping plate is installed on the top of the translation plate, and a through groove is opened on the top of the convex plate for the movable clamping plate to pass through, and a fixed clamping plate is installed on the top of the convex plate and on the side close to the top plate.

[0012] As a preferred solution of the rectangular stirrup welding robot described in the utility model, the spacing between the movable clamping plate and the fixed clamping plate is adjustable, and a clamping cavity for clamping the rectangular stirrup is formed between the opposite surfaces of the movable clamping plate and the fixed clamping plate and the top of the convex plate.

[0013] As a preferred solution of a rectangular stirrup welding robot described in the utility model, the stirrup automatic unloading device includes a second cylinder rotatably installed at the bottom of the top plate, and two mounting shafts rotatably installed on the opposite sides of the two side bosses, one end of the two mounting shafts is sleeved with a unloading frame plate, a horizontal connecting shaft is fixed between the vertical ends of the two unloading frame plates, and the movable end of the second cylinder is connected to the horizontal connecting shaft.

[0014] As a preferred solution of a rectangular stirrup welding robot described in the utility model, the stirrup automatic unloading device includes a fixed block fixed to the bottom of the top plate, a rotating shaft is rotatably installed at the bottom end of the fixed block, a rotating seat is rotatably installed on the fixed block through the rotating shaft, and cylinder 2 is installed on the plane end of the rotating seat.

[0015] Beneficial effects of the utility model:

[0016] 1. The utility model first aligns one end of the formed stirrup by a positioning vertical plate, positions the formed stirrup, clamps the formed stirrup between the opposite surfaces of the movable clamping plate and the fixed clamping plate for positioning and fixing, positions and clamps the formed stirrup, makes the interface tight and has no gap, avoids the error of manual positioning, and is conducive to improving the welding quality of the stirrup.

[0017] 2. In the utility model, the unloading rack plates on both sides rotate about the rotation point of the mounting shaft, so that the lateral ends of the unloading rack plates rotate upward, the unloading rack plates are tilted to push out the welded stirrups for unloading, and after the unloading is completed, the second cylinder is extended to reset the unloading rack plates, thereby realizing automatic unloading of the welded stirrups.

[0018] 3. The utility model uses a stirrup positioning device to first position the formed stirrups, clamps them through the stirrup positioning device, automatically welds them by a welding robot, and automatically unloads the welded stirrups through a stirrup automatic unloading device, which saves labor, enhances safety, ensures processing efficiency and product quality, and improves product qualification rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0020] Figure 1 The utility model is a schematic diagram of the overall structure of a rectangular stirrup welding robot.

[0021] Figure 2 The utility model is a schematic structural diagram of a stirrup clamping device of a rectangular stirrup welding robot.

[0022] Figure 3 The utility model is a structural schematic diagram of a stirrup positioning device of a rectangular stirrup welding robot.

[0023] Figure 4 The utility model is a schematic structural diagram of an automatic stirrup unloading device of a rectangular stirrup welding robot.

[0024] Description of reference numerals:

[0025] 1. Welding manipulator; 2. Welding frame; 21. Boss; 3. Stirrup positioning device; 4. Stirrup clamping device; 31. Fixed vertical plate; 32. Connecting rod; 33. Positioning vertical plate; 41. Cylinder 1; 42. Translation plate; 43. Movable clamping plate; 44. Fixed clamping plate; 5. Stirrup automatic unloading device; 51. Fixed block; 52. Rotating shaft; 53. Rotating seat; 54. Cylinder 2; 55. Unloading frame plate; 56. Mounting shaft; 57. Horizontal connecting shaft; 6. Top plate; 61. Boss plate; 62. Groove. DETAILED DESCRIPTION

[0026] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0027] Example 1

[0028] Reference Figure 1-4 , which is the first embodiment of the utility model, provides a rectangular stirrup welding robot, which includes a welding manipulator 1, a welding frame 2 and two convex frames 21. The welding manipulator 1 is an existing mature technology, so it is not described in detail. A top plate 6 is installed on the top of the welding frame 2. A convex plate 61 is integrally formed on the side of the top plate 6 facing the welding manipulator 1. Two through grooves 62 for supporting the convex plate 61 are welded on one side of the welding frame 2 close to the convex plate 61;

[0029] A stirrup clamping device 4 for clamping the rectangular stirrups is installed between the two side bosses 21, a stirrup automatic unloading device 5 for unloading the rectangular stirrups is rotatably installed between the two side bosses 21, and a stirrup positioning device 3 is installed on the side of the welding frame 2 close to the boss 21 and on the side of the boss 21 away from the welding robot 1.

[0030] The formed stirrups are first positioned and clamped by the stirrup positioning device 3, automatically welded by the welding robot 1, and automatically unloaded by the stirrup automatic unloading device 5, which saves labor, enhances safety, ensures processing efficiency and product quality, and improves product qualification rate.

[0031] The stirrup positioning device 3 includes a fixed vertical plate 31 welded to the side of the welding frame 2 close to the protrusion 21 , two connecting rods 32 are inserted on the fixed vertical plate 31 , and a positioning vertical plate 33 is fixedly connected between the ends of the two connecting rods 32 close to the protrusion 21 .

[0032] The formed stirrups are placed on the top of the convex plate 61 and between the movable clamping plate 43 and the fixed clamping plate 44. The formed stirrups are first positioned by aligning one end of the formed stirrups with the positioning vertical plate 33.

[0033] One connecting rod 32 is a threaded rod, and the other connecting rod 32 is a guide rod. The fixed vertical plate 31 is respectively penetrated by a threaded hole and a sliding hole. The fixed vertical plate 31 is threadedly transmitted with the threaded rod through the threaded hole. The fixed vertical plate 31 slides through the sliding hole and the guide rod and is rotated by driving the threaded rod. Under the lateral transmission action of the threaded rod and the fixed vertical plate 31, the spacing between the positioning vertical plate 33 and the fixed vertical plate 31 is adjusted. The adjustment of the position of the positioning vertical plate 33 is used to adapt to the positioning of formed stirrups of different sizes.

[0034] The stirrup clamping device 4 includes a cylinder 41 installed between the two side bosses 21, the movable end of the cylinder 41 is fixedly connected to a translation plate 42, a movable clamping plate 43 is installed on the top of the translation plate 42, and a through groove 62 is opened on the top of the convex plate 61 for the movable clamping plate 43 to pass through, and a fixed clamping plate 44 is installed on the top of the convex plate 61 and on the side close to the top plate 6.

[0035] The distance between the movable clamping plate 43 and the fixed clamping plate 44 is adjustable, and a clamping cavity for clamping the rectangular stirrup is formed between the opposite surfaces of the movable clamping plate 43 and the fixed clamping plate 44 and the top end of the protruding plate 61 .

[0036] The movable clamping plate 43 is moved toward the fixed clamping plate 44 by the extension of the cylinder 41, and the formed stirrups are clamped between the opposite surfaces of the movable clamping plate 43 and the fixed clamping plate 44 for positioning and fixing. The formed stirrups are positioned and clamped so that the interface is tight without gaps, and the errors caused by manual positioning are avoided, which is beneficial to improving the welding quality of the stirrups.

[0037] During use, the formed stirrup is placed on the top of the convex plate 61 and located between the movable clamping plate 43 and the fixed clamping plate 44. One end of the formed stirrup is first aligned with the positioning vertical plate 33 to position the formed stirrup. Then, the cylinder 1 41 is extended to drive the movable clamping plate 43 to move toward the fixed clamping plate 44, and the formed stirrup is clamped between the opposite surfaces of the movable clamping plate 43 and the fixed clamping plate 44 to position and fix them.

[0038] After the stirrups are positioned and clamped, the welding robot 1 welds the stirrups.

[0039] Example 2

[0040] Reference Figure 1-4 , which is the second embodiment of the utility model, and this embodiment is different from the first embodiment in that:

[0041] The stirrup automatic unloading device 5 includes a cylinder 2 54 rotatably mounted on the bottom of the top plate 6, and two mounting shafts 56 rotatably mounted on opposite sides of the two side bosses 21. One end of the two mounting shafts 56 is sleeved with a unloading frame plate 55, and a horizontal connecting shaft 57 is fixed between the vertical ends of the two unloading frame plates 55, and the movable end of the cylinder 2 54 is connected to the horizontal connecting shaft 57.

[0042] The stirrup automatic unloading device 5 includes a fixed block 51 fixed to the bottom of the top plate 6, a rotating shaft 52 is rotatably mounted on the bottom end of the fixed block 51, a rotating seat 53 is rotatably mounted on the fixed block 51 through the rotating shaft 52, and a cylinder 54 is installed on the plane end of the rotating seat 53.

[0043] During use, after welding is completed, the cylinder 2 54 shortens and drives the horizontal connecting shaft 57 to move, so that the unloading frame plates 55 on both sides rotate about the rotation point of the mounting shaft 56, so that the lateral ends of the unloading frame plates 55 rotate upward, and the unloading frame plates 55 are tilted to push out the welded stirrups for unloading. After unloading is completed, the cylinder 2 54 extends to reset the unloading frame plates 55. The top edge of the unloading frame plates 55 is set flush with the top of the convex plate 61, thereby realizing automatic unloading of the welded stirrups.

[0044] The remaining structures are the same as those of Example 1.

[0045] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A rectangular stirrup welding robot, comprising a welding manipulator (1), a welding frame (2) and two protrusions (21), characterized in that: A top plate (6) is installed at the top of the welding frame (2); a convex plate (61) is integrally formed on the side of the top plate (6) facing the welding manipulator (1); and two through grooves (62) for supporting the convex plate (61) are welded on the side of the welding frame (2) close to the convex plate (61); A stirrup clamping device (4) for clamping rectangular stirrups is installed between the protrusions (21) on both sides, and a stirrup automatic unloading device (5) for unloading rectangular stirrups is rotatably installed between the protrusions (21) on both sides. A stirrup positioning device (3) is installed on a side of the welding frame (2) close to the protrusion (21) and on a side of the protrusion (21) away from the welding manipulator (1).

2. A rectangular stirrup welding robot according to claim 1, characterized in that: The stirrup positioning device (3) comprises a fixed vertical plate (31) welded to a side of the welding frame (2) close to the protrusion (21), two connecting rods (32) are inserted into the fixed vertical plate (31), and a positioning vertical plate (33) is fixedly connected between the ends of the two connecting rods (32) close to the protrusion (21).

3. A rectangular stirrup welding robot according to claim 2, characterized in that: One of the connecting rods (32) is a threaded rod, and the other connecting rod (32) is a guide rod. The fixed vertical plate (31) is respectively provided with a threaded hole and a sliding hole. The fixed vertical plate (31) is threadedly driven with the threaded rod through the threaded hole, and the fixed vertical plate (31) slides with the guide rod through the sliding hole.

4. A rectangular stirrup welding robot according to claim 3, characterized in that: The stirrup clamping device (4) comprises a cylinder (41) installed between the two side bosses (21), the movable end of the cylinder (41) is fixedly connected to a translation plate (42), a movable clamping plate (43) is installed at the top of the translation plate (42), and a through groove (62) for the movable clamping plate (43) to pass through is opened at the top of the boss plate (61), and a fixed clamping plate (44) is installed at the top of the boss plate (61) and on the side close to the top plate (6).

5. A rectangular stirrup welding robot according to claim 4, characterized in that: The distance between the movable clamping plate (43) and the fixed clamping plate (44) is adjustable, and a clamping cavity for clamping the rectangular stirrup is formed between the opposite surfaces of the movable clamping plate (43) and the fixed clamping plate (44) and the top end of the convex plate (61).

6. A rectangular stirrup welding robot according to claim 5, characterized in that: The stirrup automatic unloading device (5) comprises a second cylinder (54) rotatably mounted on the bottom of the top plate (6), and two mounting shafts (56) rotatably mounted on opposite sides of the two side bosses (21), one end of each of the two mounting shafts (56) being sleeved with a unloading frame plate (55), a transverse connecting shaft (57) being fixed between the vertical ends of the two unloading frame plates (55), and a movable end of the second cylinder (54) being connected to the transverse connecting shaft (57).

7. A rectangular stirrup welding robot according to claim 6, characterized in that: The stirrup automatic unloading device (5) comprises a fixed block (51) fixed to the bottom of the top plate (6), a rotating shaft (52) is rotatably mounted on the bottom end of the fixed block (51), a rotating seat (53) is rotatably mounted on the fixed block (51) via the rotating shaft (52), and a second cylinder (54) is mounted on the plane end of the rotating seat (53).

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