Profile production welding device

Abstract

The utility model discloses a profile production welding device which comprises a positioning assembly and a welding gun, the positioning assembly comprises a machine frame, a positioning plate is arranged on the machine frame, a first clamping jaw and a second clamping jaw are arranged on the two sides of the positioning plate respectively, a third clamping jaw is arranged on the opposite face of the positioning plate, and the welding gun is arranged on the third clamping jaw. The first clamping jaw, the second clamping jaw and the third clamping jaw are movably connected to the machine frame, the welding gun comprises a shell, the shell is movably connected with a positioning mark and a welding head, the positioning mark is provided with a first rack, the welding head is provided with a second rack, and the first rack is provided with a second rack. The shell is rotationally connected with a gear matched with the first rack and the second rack, the shell is provided with an adjusting block, the adjusting block is provided with a connecting piece, the connecting piece is rotationally connected with a rolling wheel, rapid and high-precision positioning of the sectional materials and automatic alignment welding of included angle seams can be mainly achieved, the welding difficulty is reduced, and the welding efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of profile production welding, in particular to a profile production welding device. Background Art

[0002] When producing and welding U-shaped profiles, four profiles are usually cut out at an oblique angle or a right angle first, and then spliced ​​into a U-shape. The joints are welded and fixed. When welding the angle seams between adjacent profiles, the welding gun needs to be aimed at the angle seams. Very experienced welding technicians are required to align the welding well. Misalignment may affect the welding quality. At the same time, the four profiles must be accurately positioned, and the positioning accuracy will affect the accuracy of the U-shaped profile. In actual production activities, due to the high mobility of personnel, some welding technicians do not have rich welding skills. When welding the angle seams, they lack experience and poor alignment, which affects the welding effect and efficiency. Utility Model Content

[0003] In view of the above-mentioned prior art, the utility model provides a profile production welding device, which can mainly realize rapid and high-precision positioning of profiles, and can automatically align and weld angle seams, thereby reducing welding difficulty and improving welding efficiency.

[0004] To achieve the above purpose, the technical solution of the embodiment of the utility model is implemented as follows:

[0005] A profile production welding device, comprising a positioning assembly and a welding gun, the positioning assembly comprising a frame, a positioning plate being provided on the frame, a first clamping jaw and a second clamping jaw being provided on both sides of the positioning plate, a third clamping jaw being provided opposite to the positioning plate, the first clamping jaw, the second clamping jaw and the third clamping jaw being movably connected to the frame respectively, a clamping assembly being symmetrically provided on both sides of the third clamping jaw, the clamping assembly comprising a cam, a shuttle block and a connecting rod, the shuttle block being provided with a cam follower cooperating with the cam, the connecting rod being rotatably connected to the frame, the shuttle block being movably connected to the frame and connected to the connecting rod, a rotating wheel being rotatably connected to the connecting rod, the rotating wheel being respectively connected to the first clamping jaw and the second clamping jaw, the welding gun comprising a shell, the shell being movably connected with a positioning mark and a welding head, the positioning mark being provided with a first rack, the welding head being provided with a second rack, the shell being rotatably connected with a gear cooperating with the first rack and the second rack, the shell being provided with an adjusting block, the adjusting block being provided with a connecting piece, and the connecting piece being rotatably connected with a roller.

[0006] Furthermore, the first clamping jaw is provided with a first spring, the second clamping jaw is provided with a second spring, the connecting rod is provided with a third spring, one end of the third spring is connected to the connecting rod, and the other end is connected to the frame.

[0007] Furthermore, the frame is provided with a screw rod, the third clamping jaw is provided with a nut matched with the screw rod, and the nut is connected to the third clamping jaw.

[0008] Furthermore, the screw rod is provided with a knob, and the knob is fixedly connected to the screw rod.

[0009] Furthermore, the housing is provided with a fourth spring and a fifth spring, one end of the fourth spring is connected to the housing, and the other end is connected to the first rack, and one end of the fifth spring is connected to the housing, and the other end is connected to the second rack.

[0010] Furthermore, the frame is symmetrically provided with a limit assembly, the limit assembly comprises a limit platform, and the limit platform is provided with a first limit block and a second limit block.

[0011] Furthermore, the frame is provided with a limiting column, and the limiting column is installed on a limiting column mounting plate.

[0012] Furthermore, the adjustment block is provided with a U-shaped groove, and the U-shaped groove is hinged with the connecting piece.

[0013] Furthermore, the adjusting block is provided with a waist hole.

[0014] The beneficial effects of the utility model are that the profile can be positioned quickly and accurately, the welding gun can automatically align the angle seam for welding, the profile is fixed by the positioning plate, the first clamp, the second clamp and the third clamp, the third clamp is pushed forward to drive the clamping assembly to move the first clamp and the second clamp inward for positioning, the positioning mark of the welding gun is close to the angle seam for pre-positioning and then continues to be pressed forward, at this time, the positioning mark retreats under the action of the rack and pinion, and the welding head moves forward, and when the best welding position is reached, that is, when the roller is close to the two adjacent profiles, it stops moving forward and welding is carried out, the profile can be quickly and accurately positioned by the clamping assembly, and the welding gun is provided with a positioning mark and a rack and pinion structure, which can automatically align the angle seam accurately, making it convenient to find a good welding position for welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural schematic diagram of a profile production welding device in an embodiment of the present application;

[0016] Figure 2 This is a structural schematic diagram of a profile production welding device in an embodiment of the present application;

[0017] Figure 3 This is a schematic diagram of the structure of a welding gun in an embodiment of the present application;

[0018] Figure 4 A schematic cross-sectional view of a welding gun in an embodiment of the present application;

[0019] Description of Figure Numbers:

[0020] 1 positioning assembly, 2 welding gun, 3 frame, 4 positioning plate, 5 first clamping jaw, 6 second clamping jaw, 7 third clamping jaw, 8 shell, 9 positioning mark, 10 welding head, 11 first rack, 12 second rack, 13 gear, 14 adjustment block, 15 connecting piece, 16 roller, 17 first spring, 18 second spring, 19 clamping assembly, 20 cam, 21 shuttle block, 22 connecting rod, 23 cam follower, 24 third spring, 25 rotating wheel, 26 screw, 261 nut, 27 knob, 28 fourth spring, 29 fifth spring, 30 limiting assembly, 31 limiting platform, 32 first limiting block, 33 second limiting block, 34 limiting column, 35 limiting column mounting plate, 36 U-shaped groove, 37 waist hole, 38 profile. DETAILED DESCRIPTION

[0021] The technical solution of the utility model is further elaborated in detail below in conjunction with the drawings and specific embodiments of the specification. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of the utility model. The terms used herein in the specification of the utility model are only for the purpose of describing specific embodiments and are not intended to limit the utility model. In the following description, the expression "some embodiments" is involved, which describes a subset of all possible embodiments, but it should be understood that "some embodiments" can be the same subset or different subsets of all possible embodiments, and can be combined with each other without conflict.

[0022] It should also be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "inside", "outside", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.

[0023] Example 1

[0024] See attached Figure 1-4The present application provides a profile production welding device, including a positioning component 1 and a welding gun 2, the positioning component 1 includes a frame 3, a positioning plate 4 is provided on the frame 3, a first clamping jaw 5 and a second clamping jaw 6 are respectively provided on both sides of the positioning plate 4, a third clamping jaw 7 is provided opposite to the positioning plate 4, the first clamping jaw 5, the second clamping jaw 6 and the third clamping jaw 7 are respectively movably connected to the frame 3, the first clamping jaw 5, the second clamping jaw 6 and the third clamping jaw 7 can be movably connected to the frame 3 through a guide slider or a combination of an optical axis and a bearing, and clamping components 19 are symmetrically provided on both sides of the third clamping jaw 7, the clamping component 19 includes a cam 20, a shuttle block 21 and a connecting rod 22, the cam 20 is fixedly connected to the third clamping jaw 7, the shuttle block 21 and a connecting rod 22, the cam 20 is fixedly connected to the third clamping jaw 7, the shuttle block 21 and the connecting rod 22 The shuttle block 21 is provided with a cam follower 23 which cooperates with the cam 20, the cam follower 23 is rotatably connected to the shuttle block 21, the connecting rod 22 is rotatably connected to the frame 3, the shuttle block 21 is movably connected to the frame 3, and the end is connected to the connecting rod 22, which is used to drive the connecting rod 22 to rotate around the rotating shaft, and the connecting rod 22 is rotatably connected with a rotating wheel 25, and the rotating wheel 25 is respectively connected to the first clamping jaw 5 and the second clamping jaw 6, which is used to push the first clamping jaw 5 and the second clamping jaw 6 forward to the position (i.e., the position where the profile is assembled into a circle shape), the welding gun 2 includes a shell 8, and the shell 8 is movably connected with a positioning mark 9 and a welding head 10, and the front end of the positioning mark 9 is provided with a profiling angle, and its size is the same as that of the profile clamp The angles are the same size or slightly smaller, and are used to locate the angle seam. When the profiling angle of the positioning mark 9 is inserted into the angle of the profile, the profiling angle of the positioning mark 9 and the angle of the profile match to achieve a counterpoint effect. The positioning mark 9 is provided with a first rack 11, and the welding head 10 is provided with a second rack 12. The housing 8 is rotatably connected to a gear 13 that cooperates with the first rack 11 and the second rack 12. Obviously, when the positioning mark 9 is close to the profile, the positioning mark 9 is continuously pushed forward. The welding head 10 also approaches the angle seam forward under the action of the gear 13 rack. The housing 8 is provided with an adjusting block 14, and the adjusting block 14 is provided with a connecting piece 15. The connecting piece 15 is rotatably connected to a roller 16. When the welding head 10 approaches forward under the action of the gear rack When the angle seam is formed, the roller 16 is also close to the profile. When the roller 16 is set close to the profile, the position of the welding head 10 is the best welding position. The roller 16 is used as a limiter to determine the welding position, which is convenient for technicians who have no welding experience or insufficient experience to position and weld. In the initial state, the positioning plate 4 is fixed, and the first clamping jaw 5, the second clamping jaw 6 and the third clamping jaw 7 are all placed outward (that is, outside the profile when the U-shaped profile is spliced). When in use, the profile is placed in the positioning plate 4 and the first clamping jaw 5, the second clamping jaw 6 and the third clamping jaw 7, and the third clamping jaw 7 is pushed forward. At this time, the cam follower 23 moves along the trajectory of the cam 20 to push the shuttle block 21 outward.The connecting rod 22 is pushed to rotate, thereby driving the rotating wheel 25 to move inward, so as to push the first clamping jaw 5 and the second clamping jaw 6 inward. At the same time, the third clamping jaw 7 is also moved inward, and the profile is assembled into a U-shape and fixed. The technician holds the welding gun 2 close to the angle of the profile, and aligns the positioning mark 9 and the roller 16 to achieve the best welding position for welding; the clamping assembly 19 can realize fast and accurate positioning of the profile, and the welding gun 2 is provided with a positioning mark 9 and a gear rack structure to automatically align the angle of the profile accurately, which is convenient for inexperienced or inexperienced technicians to find a good welding position for welding, reduce welding difficulty and improve welding efficiency.

[0025] Specifically, the first clamping jaw 5 is provided with a first spring 17, one end of the first spring 17 is connected to the first clamping jaw 5, and the other end is connected to the frame 3. The first spring 17 rebounds to achieve the effect of resetting the first clamping jaw 5 when the clamping assembly 19 is reset. The second clamping jaw 6 is provided with a second spring 18, one end of the second spring 18 is connected to the second clamping jaw 6, and the other end is connected to the frame 3. The second spring 18 rebounds to achieve the effect of resetting the second clamping jaw 6 when the clamping assembly 19 is reset. The connecting rod 22 is provided with a third spring 24, one end of the third spring 24 is connected to the connecting rod 22, and the other end is connected to the frame 3. The connecting rod 22 is reset by the rebound of the third spring 24. Spring reset has the effects of low cost, low loss and easy implementation.

[0026] Specifically, the frame 3 is provided with a screw rod 26, and the third clamping jaw 7 is provided with a nut 261 that cooperates with the screw rod 26. The nut 261 is connected to the third clamping jaw 7. The screw rod 26 is provided with a knob 27, and the knob 27 is fixedly connected to the screw rod 26. By rotating the knob 27, the third clamping jaw 7 can be moved forward and backward through the cooperation between the screw rod 26 and the nut 261, which saves effort, is quick, and improves accuracy.

[0027] Specifically, the housing 8 is provided with a fourth spring 28 and a fifth spring 29, one end of the fourth spring 28 is connected to the housing 8, and the other end is connected to the first rack 11, one end of the fifth spring 29 is connected to the housing 8, and the other end is connected to the second rack 12, the fourth spring 28 plays a role in pressing the first rack 11 forward, so that the first rack 11 has a forward preload, and the preload is transmitted to the second rack 12 through the gear 13, so that the second rack 12 moves backward, and the fifth spring 29 gives the second rack 12 a forward preload, so that the front and rear preloads are balanced, and the fourth spring 28 and the fifth spring 29 are used to achieve that the welding gun 2 reaches a balanced state when not working without moving, and the spring elastic force has the beneficial effects of low cost, low loss and easy implementation.

[0028] Example 2

[0029] See attached Figure 1-4 The difference between this embodiment and embodiment 1 is that a limit assembly 30 is symmetrically provided on the frame 3, and the limit assembly 30 includes a limit platform 31, and the limit platform 31 is provided with a first limit block 32 and a second limit block 33. The first limit block 32 and the second limit block 33 are used to further position the first position of the profile to improve the accuracy.

[0030] Specifically, the frame 3 is provided with a limiting column 34, and the limiting column 34 is installed on a limiting column mounting plate 35. The limiting column 34 is provided to further limit the profile from the inside to improve the accuracy.

[0031] Specifically, the adjusting block 14 is provided with a U-shaped groove 36, and the U-shaped groove 36 is hinged with the connecting piece 15. The adjusting block 14 is provided with a waist hole 37, and the adjusting block 14 can be adjusted and fixed through the waist hole 37. After the positioning mark 9 is aligned with the angle of the profile, the technician first finds the best welding position, and then adjusts the adjusting block 14 and the connecting piece 15 so that the roller 16 is close to the profile, and then fixes the adjusting block 14 and the connecting piece 15. In this way, the position where the roller 16 is close to the profile is the best welding position each time, which facilitates the technician to quickly find the welding position, reduces the difficulty of welding and improves efficiency.

[0032] The above are only specific implementations of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. The protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A profile production welding device, characterized in that: The invention comprises a positioning assembly and a welding gun, wherein the positioning assembly comprises a frame, a positioning plate is provided on the frame, a first clamping jaw and a second clamping jaw are respectively provided on both sides of the positioning plate, a third clamping jaw is provided opposite to the positioning plate, the first clamping jaw, the second clamping jaw and the third clamping jaw are respectively movably connected to the frame, and a clamping assembly is symmetrically provided on both sides of the third clamping jaw, the clamping assembly comprises a cam, a shuttle block and a connecting rod, the shuttle block is provided with a cam follower matched with the cam, the connecting rod is rotatably connected to the frame, the shuttle block is movably connected to the frame and connected to the connecting rod, a rotating wheel is rotatably connected to the connecting rod, and the rotating wheel is respectively connected to the first clamping jaw and the second clamping jaw, the welding gun comprises a shell, the shell is movably connected with a positioning mark and a welding head, the positioning mark is provided with a first rack, the welding head is provided with a second rack, the shell is rotatably connected with a gear matched with the first rack and the second rack, the shell is provided with an adjusting block, the adjusting block is provided with a connecting piece, and the connecting piece is rotatably connected with a roller.

2. A profile production welding device according to claim 1, characterized in that: The first clamping jaw is provided with a first spring, the second clamping jaw is provided with a second spring, the connecting rod is provided with a third spring, one end of the third spring is connected to the connecting rod, and the other end is connected to the frame.

3. A profile production welding device according to claim 2, characterized in that: The frame is provided with a screw rod, the third clamping jaw is provided with a nut matched with the screw rod, and the nut is connected to the third clamping jaw.

4. A profile production welding device according to claim 3, characterized in that: The screw rod is provided with a knob, and the knob is fixedly connected to the screw rod.

5. A profile production welding device according to claim 1, characterized in that: The housing is provided with a fourth spring and a fifth spring, one end of the fourth spring is connected to the housing, and the other end is connected to the first rack, and one end of the fifth spring is connected to the housing, and the other end is connected to the second rack.

6. A profile production welding device according to claim 1, characterized in that: The frame is symmetrically provided with a limit assembly, wherein the limit assembly comprises a limit platform, and the limit platform is provided with a first limit block and a second limit block.

7. A profile production welding device according to claim 1, characterized in that: The frame is provided with a limiting column, and the limiting column is installed on a limiting column mounting plate.

8. A profile production welding device according to claim 1, characterized in that: The adjusting block is provided with a U-shaped groove, and the connecting piece is hingedly connected to the U-shaped groove.

9. A profile production welding device according to claim 1, characterized in that: The adjusting block is provided with a waist hole.

Images