Hanging piece welding machine for small cross beam workpiece

Abstract

The utility model provides a hanging piece welding machine for a small cross beam workpiece. The hanging piece welding machine comprises a rack and two platforms, at least one of the two platforms is arranged on the rack in a sliding manner; a cross beam bracket, a hanging piece placing assembly and a welding assembly are arranged on the platform; the hanging piece placing assembly comprises a placing plate, a piece punching air cylinder and a positioning block, the placing plate is connected with the platform through a placing frame, a material groove is formed in the placing plate and used for placing a plurality of hanging pieces, the piece punching air cylinder is located on one side of the placing plate and is perpendicular to the material groove, and a piece punching push rod is arranged at the driving end of the piece punching air cylinder and used for pushing the first hanging piece out of the material groove; the positioning block is positioned on the other side of the placing plate and is used for receiving the hanging piece; the welding assembly comprises a lifting module and two welding guns, the lifting module is arranged on the platform, a liftable connecting frame is arranged on the lifting module, and the two welding guns are symmetrically arranged at the two ends of the connecting frame and point to the positioning block. The hanging piece welding device is high in mechanization degree, high in efficiency, parallel in hanging piece welding and excellent in quality.

Description

Technical Field

[0001] The utility model relates to the technical field of automatic welding equipment, in particular to a hanging piece welding machine for a small beam workpiece. Background Art

[0002] Shelves are divided into two types: storage shelves and supermarket shelves. One of the commonly used workpieces in the shelf layer of the supermarket is the small beam workpiece. The small beam workpiece refers to a workpiece formed by welding a small piece of molded hanging piece at both ends of a rectangular square tube. Its general length is 0.8-1.5 meters, thus becoming a small beam workpiece.

[0003] The existing welding method is mainly completed manually: a basic welding platform and a hanger placement mold are used, the hanger is placed on the mold, and the rectangular square tube is placed on the welding platform, one end of which is against the hanger. The operator pushes the square tube with one hand and welds with the other hand, completing the hanger welding at both ends of the square tube in sequence. The defects of the existing technology are: the degree of mechanization is low, the efficiency of manual welding is low; there is a situation where the hangers at both ends are not welded in parallel, and the welding quality is not guaranteed.

[0004] Therefore, it is necessary to improve the existing technology. Utility Model Content

[0005] The utility model provides a hanging piece welding machine for a small beam workpiece, which is used to solve the above problem.

[0006] A technical solution adopted by the utility model is: to provide a hanging piece welding machine for a small beam workpiece, comprising: a frame and two platforms arranged on the frame;

[0007] At least one of the two platforms is slidably arranged on the frame so that the distance between the two platforms is adjustable;

[0008] The platform is provided with a beam bracket, a hanging piece placement assembly and a welding assembly;

[0009] The crossbeam bracket is located at one end of the platform and is used to place rectangular square tubes;

[0010] The hanging sheet placement assembly includes a placement plate, a punching sheet cylinder and a positioning block. The placement plate is connected to the platform through a placement frame and has a material trough thereon for placing a plurality of hanging sheets. The punching sheet cylinder is located on one side of the placement plate and is arranged perpendicular to the material trough. The driving end of the punching sheet cylinder has a punching sheet push rod for pushing the first hanging sheet out of the material trough. The positioning block is located on the other side of the placement plate for receiving the hanging sheet pushed out by the punching sheet cylinder.

[0011] The welding assembly includes a lifting module and two welding guns. The lifting module is arranged on a platform, on which a lifting connection frame is arranged. The two welding guns are symmetrically arranged at both ends of the connection frame and point to the positioning block for completing welding.

[0012] During operation, the rectangular square tube is placed on two beam brackets, the punching cylinder punches the sheet to make the sheet reach the positioning block, the platforms approach each other to make the sheet close to the end of the square tube, the connecting frame rises and falls, and the welding gun completes the welding.

[0013] Furthermore, the two platforms are both slidably arranged on the frame and can be close to and away from each other. The two platforms are respectively a clamping platform and a moving platform. A clamping cylinder is also arranged on one side of the frame. The clamping cylinder is arranged horizontally, and its driving end is connected to the clamping platform. Under the drive of the cylinder, the clamping platform can move within a certain range.

[0014] Before work, adjust and fix the mobile platform on the right according to the length of the rectangular square tube so that a certain gap can be reserved at both ends after the square tube is placed. During work, the rectangular square tube is placed on the two beam brackets, the punching cylinder punches the sheet to make the hanging sheet reach the positioning block, the clamping cylinder drives the clamping platform to move right, the placed square tube and the hanging sheet are tightly together, the connecting frame is raised and lowered, and the welding gun completes the welding.

[0015] Furthermore, the beam bracket includes a fixed column, a support plate and a rotating cylinder, the fixed column is vertically arranged on the platform, the support plate is arranged on one side of the fixed column, the rectangular square tube is placed on the support plate, and the rotating cylinder is arranged on the other side of the fixed column adjacent to the support plate, and is placed horizontally, and a clamp is provided at its driving end, and the clamp clamps the rectangular square tube on the fixed column after being rotated and retracted.

[0016] Furthermore, the hanging piece placement assembly also includes a limit block and a patch cylinder. The limit block is arranged at the sheet outlet end of the material trough to maintain the spacing between the hanging piece and the material trough for the hanging piece to pass through. The patch cylinder is arranged at the other end of the material trough, horizontally arranged, and its driving end points to the hanging piece, and is used to push the hanging piece to the limit block.

[0017] Furthermore, the limit block and the positioning block are both provided with magnets, which can absorb the hanging piece to ensure the stable position of the hanging piece.

[0018] Furthermore, the welding gun is arranged at the end of the connecting frame through a gun rack, and a locking bolt is arranged on one side of the gun rack for fixing the welding gun penetrated on the gun rack, and the welding point position of the welding gun is adjusted by loosening the locking bolt.

[0019] The beneficial effects of the hanging piece welding machine for a small beam workpiece of the utility model are:

[0020] 1. At least one sliding platform is set on the frame, which cooperates with the beam bracket, hanging piece placement assembly and welding assembly on the platform to automatically place the hanging piece, put the hanging piece close to the square tube, and automatically complete the welding, which improves the mechanization degree of hanging piece welding work of small beam workpieces, makes the hanging piece welding parallel, excellent in quality and high in efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a top view of a hanging piece welding machine for a small beam workpiece according to the first embodiment of the utility model;

[0022] Figure 2 It is a front view of a hanging piece welding machine for a small beam workpiece according to the first embodiment of the utility model;

[0023] The markings of the components in the accompanying drawings are as follows: 1. Frame, 2. Platform, 3. Beam bracket, 4. Hanging plate placement assembly, 5. Welding assembly, 6. Clamping cylinder, 7. Rectangular square tube, 21. Clamping platform, 22. Mobile platform, 31. Fixed column, 32. Support plate, 33. Rotating cylinder, 34. Clamp, 41. Placement plate, 42. Punching cylinder, 43. Positioning block, 44. Limit block, 45. Patch cylinder, 51. Lifting module, 52. Connecting frame, 53. Gun rack, 54. Welding gun. DETAILED DESCRIPTION

[0024] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0025] In the description of the present invention, it should be understood that the terms "up", "down", "left", "right", "front", "back", "horizontal", "vertical", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention. They cannot indicate or imply that the components or elements referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0026] See also Figure 1 and Figure 2 The first embodiment of the utility model provides a hanging piece welding machine for a small beam workpiece, comprising: a frame 1 and two platforms 2 arranged on the frame 1;

[0027] There is a pair of slide rails on the frame 1, and the two platforms 2 are slidably arranged on the slide rails, and the distance between the two platforms is adjustable. The two platforms 2 are respectively a clamping platform 21 arranged on the left side of the frame 1 and a mobile platform 22 arranged on the right side of the frame 1. A clamping cylinder 6 is also arranged on the leftmost side of the frame 1. The clamping cylinder 6 is arranged horizontally, and its driving end is rightward and connected to the clamping platform 21. Under the drive of the clamping cylinder 6, the clamping platform 21 can move within a certain range, and the mobile platform 22 has more moving space to adapt to rectangular square tubes 7 of different lengths;

[0028] Both platforms are provided with a beam bracket 3, a hanging piece placement assembly 4 and a welding assembly 5;

[0029] The crossbeam bracket 3 is located at one end of the platform close to each other, and is used to place and support the rectangular square tube 7. The crossbeam bracket 3 includes a fixed column 31, a support plate 32 and a rotating cylinder 33. The fixed column 31 is vertically arranged on the platform, the support plate 32 is arranged on one side of the fixed column 31, and the rectangular square tube 7 is placed on the support plate 32. The rotating cylinder 33 is arranged on the other side of the fixed column 31 adjacent to the support plate 32, and is placed horizontally. A clamping plate 34 is arranged at its driving end. The clamping plate 34 rotates to a vertical direction and is retracted to clamp the rectangular square tube 7 on the fixed column 31.

[0030] The hanging piece placement component 4 includes a placement plate 41, a punching cylinder 42, a positioning block 43, a limit block 44 and a patch cylinder 45. The placement plate 41 is connected to the platform through a placement frame, and is provided with a material trough for placing a number of hanging pieces. The punching cylinder 42 is located on one side of the placement plate 41, and is arranged perpendicular to the material trough. Its driving end is provided with a punching push rod for pushing the first hanging piece out of the material trough. The positioning block 43 is located on the other side of the placement plate 41, and is used to receive the hanging piece pushed out by the punching cylinder 42. After the hanging piece reaches the positioning block 43, it is just located on the extension line of the rectangular square tube 7. When the two platforms are close to each other, the hanging piece can be attached to the end of the square tube. The limit block 44 is arranged at the sheet outlet end of the material trough, and the spacing between the hanging piece and the material trough is maintained. The patch cylinder 45 is arranged at the other end of the material trough, and is arranged horizontally. Its driving end points to the hanging piece, and is used to push the hanging piece to the limit block 44.

[0031] The welding assembly 5 includes a lifting module 51, a connecting frame 52 and two welding guns 54. The lifting module 51 is set on the platform, and the connecting frame 52 is movably set on the lifting module 51 and can be lifted and lowered. The connecting frame 52 is a U-shaped structure, and its two ends are located on both sides of the rectangular square tube 7. The two welding guns 54 are respectively arranged at the ends of the connecting frame 52, pointing to the positioning block 43, and complete the welding with the up and down reciprocating movement of the connecting frame 52.

[0032] Specifically, both the limit block 44 and the positioning block 43 are provided with magnets, which can absorb the hanging piece to ensure the stable position of the hanging piece.

[0033] Specifically, a gun rack 53 is also provided at the end of the connecting frame 52, and a welding gun 54 is inserted into the gun rack 53. A locking bolt is provided on the side to fix the welding gun 54. The welding point position of the welding gun 54 can be adjusted by loosening the locking bolt.

[0034] Specifically, the frame 1 is also equipped with a corresponding welder and wire feeder for each welding gun 54, which cooperates with the welding gun 54 to complete the welding work. The wire feeder on the left side can be fixed on the frame 1, and the wire feeder on the right side is set on the mobile platform 22 or on an additional mobile plate, and can move with the two welding guns 54 on the right.

[0035] The working principle of the hanging piece welding machine for a small crossbeam workpiece of the utility model is as follows: before work, the right moving platform 22 is adjusted according to the length of the rectangular square tube 7, so that a gap of about 5mm can be reserved in the length direction of the square tube after it is placed, and it is determined that there are sufficient hanging pieces in the material trough; during work, the operator places the rectangular square tube 7 on the two crossbeam brackets 3, presses the start button of the welding machine, the punching cylinder 42 punches the hanging piece to make the hanging piece reach the positioning block 43, the clamping cylinder 6 drives the clamping platform 21 to move right, and the placed square tube and the hanging piece are tightly together, the lifting module 51 reciprocates up and down, drives the connecting frame 52 to lift, the welding gun 54 completes the welding, and four double-sided vertical seams are formed. After the welding is completed, the welding gun 54 is reset, and the operator removes the small crossbeam workpiece.

[0036] The beneficial effects of the hanging piece welding machine for a small beam workpiece of the utility model are:

[0037] 1. At least one sliding platform is set on the frame, which cooperates with the beam bracket, hanging piece placement assembly and welding assembly on the platform to automatically place the hanging piece, put the hanging piece close to the square tube, and automatically complete the welding, which improves the mechanization degree of hanging piece welding work of small beam workpieces, makes the hanging piece welding parallel, excellent in quality and high in efficiency.

[0038] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A hanging piece welding machine for small beam workpieces, characterized in that: include: A frame and two platforms arranged on the frame; At least one of the two platforms is slidably arranged on the frame so that the distance between the two platforms is adjustable; The platform is provided with a beam bracket, a hanging piece placement assembly and a welding assembly; The crossbeam bracket is located at one end of the platform and is used to place rectangular square tubes; The hanging sheet placement assembly includes a placement plate, a punching sheet cylinder and a positioning block. The placement plate is connected to the platform through a placement frame and has a material trough on it. The punching sheet cylinder is located on one side of the placement plate and is arranged perpendicular to the material trough. Its driving end has a punching sheet push rod. The positioning block is located on the other side of the placement plate and is used to receive the hanging sheet pushed out by the punching sheet cylinder. The welding assembly comprises a lifting module and two welding guns. The lifting module is arranged on a platform, on which a lifting connection frame is arranged. The two welding guns are symmetrically arranged at two ends of the connection frame and point to the positioning block.

2. A hanging piece welding machine for small beam workpieces according to claim 1, characterized in that: The two platforms are both slidably arranged on the frame and can approach and move away from each other. The two platforms are respectively a clamping platform and a moving platform. A clamping cylinder is also arranged on one side of the frame. The clamping cylinder is arranged horizontally, and its driving end is connected to the clamping platform.

3. A hanging piece welding machine for small beam workpieces according to any one of claims 1 or 2, characterized in that: The beam bracket includes a fixed column, a support plate and a rotating cylinder. The fixed column is vertically arranged on the platform, the support plate is arranged on one side of the fixed column, and the rotating cylinder is arranged on the other side of the fixed column adjacent to the support plate, placed horizontally, and a clamping plate is arranged at its driving end.

4. A hanging piece welding machine for small beam workpieces according to claim 3, characterized in that: The hanging piece placement assembly also includes a limit block and a patch cylinder. The limit block is arranged at the sheet outlet end of the material trough to maintain the spacing between the hanging piece and the material trough for the hanging piece to pass through. The patch cylinder is arranged at the other end of the material trough, horizontally arranged, and its driving end points to the hanging piece.

5. A hanging piece welding machine for small beam workpieces according to claim 4, characterized in that: The limit block and the positioning block are both provided with magnets, which can absorb the hanging piece to ensure the stable position of the hanging piece.

6. A hanging piece welding machine for small beam workpieces according to claim 5, characterized in that: The welding gun is arranged at the end of the connecting frame through a gun frame, and a locking bolt is arranged on one side of the gun frame.

7. A hanging piece welding machine for small beam workpieces according to any one of claims 1 or 2, characterized in that: The hanging piece placement assembly also includes a limit block and a patch cylinder. The limit block is arranged at the sheet outlet end of the material trough to maintain the spacing between the hanging piece and the material trough for the hanging piece to pass through. The patch cylinder is arranged at the other end of the material trough, horizontally arranged, and its driving end points to the hanging piece.

8. A hanging piece welding machine for small beam workpieces according to claim 7, characterized in that: The limit block and the positioning block are both provided with magnets, which can absorb the hanging piece to ensure the stable position of the hanging piece.

9. A hanging piece welding machine for small beam workpieces according to claim 8, characterized in that: The welding gun is arranged at the end of the connecting frame through a gun frame, and a locking bolt is arranged on one side of the gun frame.

10. A hanging piece welding machine for small beam workpieces according to any one of claims 1 or 2, characterized in that: The welding gun is arranged at the end of the connecting frame through a gun frame, and a locking bolt is arranged on one side of the gun frame.

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