Steel furniture frame welding device

Abstract

The invention relates to the technical field of welding, and discloses a steel furniture frame welding device which comprises a welding table, a welding frame is fixed to the welding table, a welding assembly is arranged on the welding frame, first electric push rods are arranged on the two sides of the welding frame correspondingly, and piston rods of the first electric push rods are sleeved with first guide blocks; the first guide block is connected with an adjusting assembly, a first spring is connected between the first guide block and a piston rod of the first electric push rod, and a cross movable frame is installed on the adjusting assembly. During heat treatment, the welding seam can be uniformly heated, so that deformation, cracking or performance reduction of the workpiece is prevented, the dimensional stability and mechanical performance of the workpiece are improved, the stress relieving effect is improved, cooling can be conducted again through the air blowing spray head after stress relieving is completed, and welding slag and oxide on the welding seam can be conveniently cleaned through the cleaning assembly.

Description

Technical Field

[0001] The present invention relates to the technical field of welding, and specifically to a welding device for a steel furniture frame. Background Art

[0002] Steel furniture frames are widely used in the fields of office furniture, outdoor furniture, kitchen equipment, etc. Because of their high strength, good durability and easy processing, High strength: Steel has excellent mechanical properties and can withstand large loads, making it suitable for making furniture that requires high stability. Durability: Steel furniture is corrosion-resistant, wear-resistant and has a long service life, especially after surface treatment (such as electroplating, powder coating). Environmental protection: Steel can be recycled, which conforms to the modern environmental protection concept. During the processing of steel furniture, a welding device is required to weld the frame main body and the matching sleeve, which facilitates the installation of the legs of the furniture on the sleeve in the later stage.

[0003] In order to improve the welding quality of the steel furniture frame, heat treatment is required after welding to eliminate the stress of the weld, reduce the residual stress and deformation. After heat treatment, the surface of the weld also needs to be cleaned to improve the aesthetics and welding quality of the weld. At present, the welding, heat treatment and welding surface cleaning of the steel furniture frame are carried out separately and transported to the corresponding processing sections through transfer equipment. During the transfer process, the welded workpieces need to be carried, which is time-consuming and laborious, greatly prolonging the entire welding process of the steel furniture frame and affecting the processing efficiency of the steel furniture frame. Summary of the Invention

[0004] The present invention provides a welding device for a steel furniture frame, which has the beneficial effects that the weld can be evenly heated during heat treatment to improve the stress elimination effect, and again, the blowing nozzle can be used for cooling after stress elimination is completed, which is convenient for the cleaning component to clean the welding slag and oxides on the weld, and solves the problem mentioned in the above background art that at present, the welding, heat treatment and welding surface cleaning of the steel furniture frame are carried out separately and transported to the corresponding processing sections through transfer equipment. During the transfer process, the welded workpieces need to be carried, which is time-consuming and laborious, greatly prolonging the entire welding process of the steel furniture frame and affecting the processing efficiency of the steel furniture frame.

[0005] The present invention provides the following technical solution: A welding device for a steel furniture frame, including a welding table, a welding frame is fixed on the welding table, a welding component is arranged on the welding frame, first electric push rods are arranged on both sides of the welding frame, a first guide block is sleeved on the piston rod of the first electric push rod, an adjusting component is connected to the first guide block, a first spring is connected between the first guide block and the piston rod of the first electric push rod, and a cross moving frame is installed on the adjusting component;

[0006] Both ends of the cross movable frame are provided with semi-circular mounting seats. A semi-circular rotating seat is arranged below the mounting seat, and a heating seat and a cleaning component are respectively arranged in the rotating seat.

[0007] As an alternative embodiment of the steel furniture frame welding device of the present invention, wherein: an electric heating wire is installed in the heating seat, and a plurality of air blowing nozzles are arranged on the mounting seat. A plurality of T-shaped blocks are fixed on the rotating seat, a sliding groove is formed on the mounting seat, the T-shaped blocks are clamped in the sliding groove, and a second spring is connected between one of the T-shaped blocks and the rotating seat. A first sliding rod is fixed on the heating seat, and the first sliding rod is elastically connected to the rotating seat through a third spring. A first abutting block is fixed on one of the rotating seats.

[0008] As an alternative embodiment of the steel furniture frame welding device of the present invention, wherein: the welding component includes a second electric push rod, the second electric push rod is fixed on the welding frame, and the lower end of the piston rod of the second electric push rod is connected with a first servo motor. An installation plate is fixed on the motor shaft of the first servo motor, and a welding torch is fixed on the installation plate.

[0009] As an alternative embodiment of the steel furniture frame welding device of the present invention, wherein: the adjusting component includes a movable seat, the movable seat is fixed on the first guide block, and a bidirectional lead screw is rotatably connected to the movable seat. Two threaded blocks are threadedly connected to the bidirectional lead screw, a vertical rod is installed on the threaded block, and the vertical rod is rotatably connected to both ends of the cross movable frame. A second servo motor is fixed at one end of the movable seat, and the motor shaft of the second servo motor is connected to one end of the bidirectional lead screw. A first guide rod is fixed on one side of the threaded block, the first guide rod is slidably connected to the movable seat, and a second guide rod is fixed on one side of the movable seat, and the second guide rod is slidably connected to the welding frame.

[0010] As an alternative embodiment of the steel furniture frame welding device of the present invention, wherein: the cleaning component includes a first steel wire cleaning plate, second steel wire cleaning plates are respectively arranged at both ends of the first steel wire cleaning plate, and an insertion column is installed on the first steel wire cleaning plate. A connecting piece is installed on the second steel wire cleaning plate, the connecting piece is rotatably connected to the insertion column, and a first torsion spring is installed between the insertion column and the connecting piece.

[0011] As an optional scheme of the steel furniture frame welding device described in the present invention, wherein: a first resistance rod is slidably connected to the rotating seat, an arc strip is fixed at one end of the first resistance rod, and a sliding seat is mounted on the other end of the first resistance rod, the arc strip is elastically connected to the rotating seat through a fourth spring, the first resistance rod is elastically connected to the sliding seat through a twelfth spring, two third guide rods are installed on the sliding seat, a second guide block is slidably connected to the third guide rod, one end of the second guide block is fixed to the first steel wire cleaning plate, and the second guide block is elastically connected to the sliding seat through a fifth spring, a second resistance block is fixed on the first steel wire cleaning plate, the arc strip resists the third resistance rod, the third resistance rod is elastically connected to the rotating seat through a tenth spring, and one end of the third resistance rod resists the second steel wire cleaning plate.

[0012] As an optional solution of the steel furniture frame welding device described in the present invention, wherein: a hollow rod is fixed on the arc strip, a second resistance rod is slidably connected to the hollow rod, a seventh spring is installed between the hollow rod and the second resistance rod, the hollow rod is slidably connected to the rotating seat, and one end of the hollow rod is in resistance to a third resistance block, and the third resistance block is fixed to the heating seat.

[0013] As an optional solution of the steel furniture frame welding device described in the present invention, wherein: a fourth guide rod is fixed on the welding table, a 匚-shaped contact frame is abutted below the arc-shaped strip, the fourth guide rod is elastically connected to the 匚-shaped contact frame through an eighth spring, a fourth contact block is fixed on one side of the 匚-shaped contact frame, a connecting bracket is fixed on one side of the first servo motor, a wedge-shaped contact head is slidably connected to the connecting bracket, a ninth spring is connected between the wedge-shaped contact head and the connecting bracket, and the wedge-shaped contact head is located above the fourth contact block.

[0014] As an optional solution of the steel furniture frame welding device described in the present invention, wherein: a rotating block is fixed on the first steel wire cleaning plate, a seesaw bracket is rotatably connected to the rotating block, a second torsion spring is connected between the seesaw bracket and the rotating block, a knocking block is fixed at one end of the seesaw bracket, and a plurality of resistance plates are fixed on the hollow rod.

[0015] As an optional solution of the steel furniture frame welding device described in the present invention, wherein: a plurality of mounting blocks are fixed on the back of the heating seat, a fan-shaped tooth block is rotatably connected to the mounting block, a flushing nozzle is fixed to one end of the fan-shaped tooth block, an arc-shaped rack is slidably connected to the back of the heating seat, the arc-shaped rack is meshed with the fan-shaped tooth block, and a wave plate is fixed on the arc-shaped rack, the wave plate is elastically connected to the heating seat through an eleventh spring, a resistance frame is arranged above the wave plate, and the resistance frame is fixed to the rotating seat.

[0016] The present invention has the following beneficial effects:

[0017] 1. In the steel furniture frame welding device, the welding assembly on the welding frame can weld the sleeve and the frame body, the first electric push rod can adjust the horizontal working position of the two mounting seats, and the opening and closing angles of the mounting seats can be adjusted by the cooperation of the cross movable frame and the adjustment assembly. When the welding assembly completes the welding and moves up, the mounting seat can be clamped on the sleeve, and the heating seat can be attached to the weld. The air blowing nozzle on the mounting seat can be used to blow and cool the newly formed weld, so that the weld can be heat treated after cooling. The electric heating wire on the heating seat can increase the temperature, thereby acting on the weld to eliminate the residual stress in the weld, so as to prevent the workpiece from deformation, cracking or performance degradation, and improve the dimensional stability and mechanical properties of the workpiece;

[0018] Through the cooperation of several T-shaped blocks, slide grooves and second springs, the purpose of relative rotation of the rotating seat on the mounting seat can be achieved. The reciprocating extension and contraction of the piston rod of the first electric push rod can conflict with the first resistance block, prompting the resistance block to drive the rotating seat to rotate on the mounting seat. The two rotating seats conflict with each other and rotate synchronously, so that during the heat treatment process of the electric heating wire on the heating seat, when the two rotating seats are in a rotating state, the weld can be heated evenly, thereby improving the effect of stress elimination. The air blowing nozzle can be used again to cool down after the stress elimination is completed, so that the cleaning component can clean the welding slag and oxides on the weld conveniently.

[0019] 2. In the steel furniture frame welding device, the connection bracket, the wedge-shaped contact head and the fourth contact block cooperate to facilitate the welding assembly to drive the 匚-shaped contact frame to contact the arc bar when the welding assembly moves up after welding, so that the arc bar drives the hollow rod and the first contact rod to move horizontally synchronously, so that the heating seat can move up after the work is finished, avoiding obstruction to the work of the cleaning assembly. When the first contact rod moves, it can drive the first steel wire cleaning plate of the cleaning assembly to fit on the surface of the sleeve, and the arc bar and the third contact rod can be used to contact, so that the second steel wire cleaning plate can adjust the angle of the first steel wire cleaning plate, and can fit closely on the surface of the sleeve;

[0020] When the first resistance rod continues to move and collides with the second resistance block, the first steel wire cleaning plate in the cleaning assembly can drive the two second steel wire cleaning plates to move downward, so that they can be tightly attached to the surface of the weld. When the rotating seat rotates, the first steel wire cleaning plate and the second steel wire cleaning plate can reciprocate on the weld surface, which can reduce cleaning dead angles and improve the efficiency of cleaning welding slag and oxides, thereby improving the aesthetics and quality of the weld.

[0021] 3. In the steel furniture frame welding device, when the two mounting seats are separated after the weld cleaning is completed, the arc strip is reset to drive the hollow rod and a plurality of abutment pieces to move synchronously, so that the plurality of abutment pieces and the seesaw bracket are intermittently abutted, so that the seesaw bracket drives the striking block to strike the first steel wire cleaning plate back and forth, so that some impurities on the first steel wire cleaning plate and the second steel wire cleaning plate can fall off when vibrated, thereby reducing the amount of impurities attached;

[0022] Through several mounting blocks on the heating seat, the fan-shaped tooth block can drive the flushing nozzle to rotate on the mounting block, and the arc-shaped rack can engage with several fan-shaped tooth blocks. When the heating seat is reset, it can drive the interference frame and the wave plate to intermittently interfere with each other, so that the wave plate drives the arc-shaped rack to reciprocate horizontally, so that the flushing nozzle can swing left and right when flushing the first steel wire cleaning plate and the second steel wire cleaning plate, reducing the dead angle of flushing, flushing down impurities as much as possible, and improving the quality of the first steel wire cleaning plate and the second steel wire cleaning plate for cleaning the weld of the next workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is one of the three-dimensional structural schematic diagrams of the present invention.

[0024] Figure 2 This is the second schematic diagram of the three-dimensional structure of the present invention.

[0025] Figure 3 It is a schematic diagram of the structure of the mounting seat and the rotating seat of the present invention.

[0026] Figure 4 It is a cross-sectional view of the mounting seat and rotating seat structure of the present invention.

[0027] Figure 5 It is a schematic diagram of the internal structure of the rotating seat of the present invention.

[0028] Figure 6 It is a schematic diagram of the heating seat structure of the present invention.

[0029] Figure 7 for Figure 4 A partial enlarged schematic diagram in the middle.

[0030] Figure 8 for Figure 5 A partial enlarged schematic diagram of point B in the middle.

[0031] Figure 9 for Figure 6 A partial enlarged schematic diagram of point C in the middle.

[0032] In the figure: 1, welding table; 2, welding frame; 201, second electric push rod; 202, first servo motor; 203, mounting plate; 204, welding gun; 3, third spring; 4, frame body; 5, sleeve; 6, first electric push rod; 7, first guide block; 71, movable seat; 72, two-way screw rod; 73, threaded block; 74, vertical rod; 75, second servo motor; 76, first guide rod; 77, second guide rod; 8, first resistance block; 9, first spring; 10, cross movable frame; 11, mounting seat; 12, rotating seat; 121, first steel wire cleaning plate; 122, second steel wire cleaning plate; 123, connecting plate; 124, first torsion spring; 125, plug-in column; 13, heating seat; 14, seventh spring; 15, electric heating wire; 16, air blowing nozzle; 17, T-shaped block; 18, slide groove; 19, second spring; 20 , first sliding rod; 21, first contact rod; 211, twelfth spring; 22, fourth spring; 23, arc strip; 24, sliding seat; 25, third guide rod; 26, second guide block; 27, fifth spring; 28, second contact block; 29, hollow rod; 30, second contact rod; 301, seventh spring; 31, third contact block; 32, fourth guide rod; 33, 匚-shaped contact frame; 34, eighth spring ; 35. Fourth resistance block; 36. Connecting bracket; 37. Wedge-shaped resistance head; 38. Ninth spring; 39. Rotating block; 40. Rocker bracket; 41. Second torsion spring; 42. Knocking block; 43. Resistance sheet; 44. Mounting block; 45. Fan-shaped tooth block; 46. Flushing nozzle; 47. Arc-shaped rack; 48. Wave plate; 49. Eleventh spring; 50. Resistance frame; 51. Third resistance rod; 52. Tenth spring. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] For example, see Figures 1 to 9, A steel furniture frame welding device, including a welding table 1, a welding frame 2 is fixed on the welding table 1, a welding component is arranged on the welding frame 2, first electric push rods 6 are arranged on both sides of the welding frame 2, a first guide block 7 is sleeved on the piston rod of the first electric push rod 6, an adjusting component is connected to the first guide block 7, a first spring 9 is connected between the first guide block 7 and the piston rod of the first electric push rod 6, a cross movable frame 10 is installed on the adjusting component, a frame main body 4 is placed on the welding table 1, and a sleeve 5 is arranged on the frame main body 4;

[0035] Semicircular mounting seats 11 are installed at both ends of the cross movable frame 10, a semicircular rotating seat 12 is arranged below the mounting seat 11, and a heating seat 13 and a cleaning component are respectively arranged in the rotating seat 12.

[0036] An electric heating wire 15 is installed in the heating seat 13, a plurality of air blowing nozzles 16 are arranged on the mounting seat 11, a plurality of T-shaped blocks 17 are fixed on the rotating seat 12, a sliding groove 18 is opened on the mounting seat 11, the T-shaped blocks 17 are clamped in the sliding groove 18, and a second spring 19 is connected between one of the T-shaped blocks 17 and the rotating seat 12. A first sliding rod 20 is fixed on the heating seat 13, and the first sliding rod 20 is elastically connected to the rotating seat 12 through a third spring 3. A first abutting block 8 is fixed on one of the rotating seats 12.

[0037] The welding component includes a second electric push rod 201, the second electric push rod 201 is fixed on the welding frame 2, and the lower end of the piston rod of the second electric push rod 201 is connected to a first servo motor 202. An installation piece 203 is fixed on the motor shaft of the first servo motor 202, and a welding torch 204 is fixed on the installation piece 203.

[0038] The adjusting component includes a movable seat 71, the movable seat 71 is fixed on the first guide block 7, a bidirectional lead screw 72 is rotatably connected to the movable seat 71, two threaded blocks 73 are threadedly connected to the bidirectional lead screw 72, a vertical rod 74 is installed on the threaded block 73, and the vertical rod 74 is rotatably connected to both ends of the cross movable frame 10. A second servo motor 75 is fixed at one end of the movable seat 71, and the motor shaft of the second servo motor 75 is connected to one end of the bidirectional lead screw 72. A first guide rod 76 is fixed on one side of the threaded block 73, the first guide rod 76 is slidably connected to the movable seat 71, and a second guide rod 77 is fixed on one side of the movable seat 71, and the second guide rod 77 is slidably connected to the welding frame 2.

[0039] During welding, refer to Figures 1 - 5, the piston rod of the second electric push rod 201 installed on the welding frame 2 moves downward, prompting the welding torch 204 to abut against the welding joint of the sleeve 5 and the frame body 4. The first servo motor 202 drives the mounting plate 203 to rotate, prompting the welding torch 204 to rotate around the sleeve 5 to form a circular weld. After welding, the piston rod of the second electric push rod 201 slowly moves upward. At this time, the piston rod of the first electric push rod 6 extends. Through the cooperation of the first spring 9 and the first guide block 7, it can drive the adjustment assembly and the cross movable frame 10 to move horizontally, prompting the two semi-circular mounting seats 11 to approach the sleeve 5. At the same time, the second servo motor 75 in the adjustment assembly drives the bidirectional lead screw 72 to rotate, prompting the two threaded blocks 73 to drive the vertical rods 74 to move away from each other and then approach each other, adjusting the cross angle of the cross movable frame 10, which can adjust the opening and closing angle of the two mounting seats 11, facilitating the clamping of the mounting seat 11 on the sleeve 5. At the same time, the heating seat 13 can fit against the weld. The air blowing nozzle 16 on the mounting seat 11 can blow air to cool the weld. When the electric heating wire 15 installed in the heating seat 13 is energized and heated, the high temperature generated acts on the weld, which can reduce the residual stress in the weld to prevent the workpiece from deforming, cracking or deteriorating in performance, improving the dimensional stability and mechanical properties of the workpiece. The first guide rod 76 improves the smoothness of the horizontal movement of the threaded block 73, and the second guide rod 77 can improve the smoothness of the horizontal movement of the movable seat 71;

[0040] The piston rod of the first electric push rod 6 continues to move, and the first spring 9 stores energy. Since the mounting seat 11 is clamped on the sleeve 5, the position of the adjustment assembly remains unchanged at this time. By the reciprocating telescopic movement of the piston rod of the first electric push rod 6 and abutting against the first abutting block 8, it can push one of the rotating seats 12 to rotate reciprocally on the mounting seat 11. Several T-shaped blocks 17 move in the sliding groove 18, and the second spring 19 continuously stores energy and releases elastic force. At this time, the other rotating seat 12 is synchronously rotated reciprocally by the abutment, so that the rotating seat 12 drives the heating seat 13 and the electric heating wire 15 to rotate reciprocally continuously, and the weld can be evenly heated, improving the effect of stress elimination. Once again, the air blowing nozzle 16 cools the weld after stress elimination is completed, facilitating the cleaning component to clean the welding slag and oxides on the weld.

[0041] Reference Figures 1 - 3 , the first guide rod 76 can improve the smooth performance of the horizontal movement of the threaded block 73, and the second guide rod 77 is also beneficial to improving the smooth performance of the horizontal movement of the movable seat 71.

[0042] The cross activity frame 10 is composed of two connecting brackets and a rotating column. One of the connecting brackets is fixedly connected to the rotating column, and the other connecting bracket is rotatably connected to the rotating column. Two mounting seats 11 are fixed to one end of the two connecting brackets. The two vertical rods 74 of the adjusting assembly are rotatably connected to the other ends of the two connecting brackets, so that when the connecting brackets rotate relative to each other, the opening and closing angle of the mounting seat 11 can be adjusted.

[0043] Embodiment 2 is an improvement made on the basis of Embodiment 1. Specifically, please refer to Figures 1 to 9 , the cleaning assembly includes a first wire cleaning plate 121. Second wire cleaning plates 122 are respectively arranged at both ends of the first wire cleaning plate 121. An insertion column 125 is installed on the first wire cleaning plate 121. A connecting piece 123 is installed on the second wire cleaning plate 122. The connecting piece 123 is rotatably connected to the insertion column 125. A first torsion spring 124 is installed between the insertion column 125 and the connecting piece 123.

[0044] A first abutting rod 21 is slidably connected to the rotating seat 12. An arc-shaped strip 23 is fixed to one end of the first abutting rod 21. A sliding seat 24 is sleeved on the other end of the first abutting rod 21. The arc-shaped strip 23 is elastically connected to the rotating seat 12 through a fourth spring 22. The first abutting rod 21 is elastically connected to the sliding seat 24 through a twelfth spring 211. Two third guiding rods 25 are installed on the sliding seat 24. A second guiding block 26 is slidably connected to the third guiding rods 25. One end of the second guiding block 26 is fixed to the first wire cleaning plate 121. The second guiding block 26 is elastically connected to the sliding seat 24 through a fifth spring 27. A second abutting block 28 is fixed to the first wire cleaning plate 121. A third abutting rod 51 abuts against the arc-shaped strip 23. The third abutting rod 51 is elastically connected to the rotating seat 12 through a tenth spring 52. One end of the third abutting rod 51 abuts against the second wire cleaning plate 122.

[0045] A hollow rod 29 is fixed to the arc-shaped strip 23. A second abutting rod 30 is slidably connected to the hollow rod 29. A seventh spring 14 is installed between the hollow rod 29 and the second abutting rod 30. The hollow rod 29 is slidably connected to the rotating seat 12. One end of the hollow rod 29 abuts against a third abutting block 31. The third abutting block 31 is fixed to the heating seat 13.

[0046] A fourth guide rod 32 is fixed on the welding table 1. A U-shaped contact frame 33 is in contact with the lower side of the arc-shaped strip 23. The fourth guide rod 32 is elastically connected to the U-shaped contact frame 33 through an eighth spring 34. A fourth contact block 35 is fixed on one side of the U-shaped contact frame 33. A connecting bracket 36 is fixed on one side of the first servo motor 202. A wedge-shaped contact head 37 is slidably connected to the connecting bracket 36. A ninth spring 38 is connected between the wedge-shaped contact head 37 and the connecting bracket 36. The wedge-shaped contact head 37 is located above the fourth contact block 35.

[0047] To improve the aesthetics and welding quality of the weld, it is necessary to clean the slag and oxides on the weld. Refer to Figures 3 - 8 , when the welding torch 204 moves downward, the first servo motor 202 can drive the connecting bracket 36 to move downward, causing the wedge-shaped contact head 37 to contact the fourth contact block 35 on one side of the U-shaped contact frame 33. The wedge-shaped contact head 37 retracts under force, and the ninth spring 38 stores energy. The wedge-shaped contact head 37 moves downward to below the fourth contact block 35. When the mounting seat 11 is engaged with the sleeve 5, the U-shaped contact frame 33 is located below the arc-shaped strip 23. When the welding torch 204 completes welding and drives the connecting bracket 36 to move upward, the wedge-shaped contact head 37 can drive the fourth contact block 35 to move upward. The U-shaped contact frame 33 contacts the arc-shaped strip 23. If the U-shaped contact frame 33 stops moving after moving up a certain height, the contact force on the wedge-shaped contact head 37 increases, and the wedge-shaped contact head 37 will move on the connecting bracket 36. The ninth spring 38 stores energy, enabling the wedge-shaped contact head 37 to disengage from the fourth contact block 35. The arc-shaped strip 23 driven by the contact drives the hollow rod 29 and the second contact rod 30 to move horizontally, causing the second contact rod 30 to contact the third contact block 31. The heating seat 13 moves vertically upward in the rotating seat 12. The first sliding rod 20 slides vertically on the rotating seat 12. The third spring 3 stores energy, preventing the position of the heating seat 13 from obstructing the movement of the first wire cleaning plate 121. When the arc-shaped strip 23 drives the first contact rod 21, the sliding seat 24 and the first wire cleaning plate 121 to move horizontally synchronously, the first wire cleaning plate 121 can be pushed out from the rotating seat 12 and tightly attached to the surface of the sleeve 5. The fourth spring 22 stores energy. The hollow rod 29 slides on the second contact rod 30. The seventh spring 14 stores energy. At the same time, the arc-shaped strip 23 contacts the third contact rod 51, and the tenth spring 52 stores energy, enabling the third contact rod 51 to contact the second wire cleaning plate 122 hidden in the rotating seat 12, causing the connecting piece 123 of the second wire cleaning plate 122 to rotate on the insertion column 125 of the first wire cleaning plate 121. The first torsion spring 124 stores energy, enabling the second wire cleaning plate 122 to be tightly attached to the surface of the sleeve 5;

[0048] Since the first wire cleaning plate 121 and the second wire cleaning plate 122 are woven from fine and tough wires and are relatively fluffy, they can wrap and scrape stubborn stains. When in use, it is necessary to press down to increase the contact area and contact force when the first wire cleaning plate 121 and the second wire cleaning plate 122 contact the weld surface, and enhance the frictional force. When the first abutting rod 21 continues to move, the first abutting rod 21 can slide on the sliding seat 24 and abut against the second abutting block 28, and the twelfth spring 211 stores energy, causing the second guiding block 26 on the first wire cleaning plate 121 to slide on the third guiding rod 25, and the fifth spring 27 stores energy, so that the first wire cleaning plate 121 drives the second wire cleaning plate 122 to move downward and can closely adhere to the surface of the weld. When the rotating seat 12 rotates on the mounting seat 11, the first wire cleaning plate 121 and the two second wire cleaning plates 122 can rotate reciprocally on the weld surface to clean the welding slag and oxides, thereby improving the aesthetics of the weld and the welding quality.

[0049] Embodiment 3 is an improvement made on the basis of Embodiment 1. Specifically, please refer to Figures 1 to 9 , a rotating block 39 is fixed on the first wire cleaning plate 121, a rocker bracket 40 is rotatably connected to the rotating block 39, a second torsion spring 41 is connected between the rocker bracket 40 and the rotating block 39, a knocking block 42 is fixed at one end of the rocker bracket 40, and a plurality of abutting pieces 43 are fixed on the hollow rod 29.

[0050] A plurality of mounting blocks 44 are fixed on the back surface of the heating seat 13, a sector gear block 45 is rotatably connected to the mounting blocks 44, a flushing nozzle 46 is fixed at one end of the sector gear block 45, an arc rack 47 is slidably connected to the back surface of the heating seat 13, the arc rack 47 meshes with the sector gear block 45, and a corrugated plate 48 is fixed on the arc rack 47. The corrugated plate 48 is elastically connected to the heating seat 13 through an eleventh spring 49, and a resisting frame 50 is arranged above the corrugated plate 48. The resisting frame 50 is fixed on the rotating seat 12.

[0051] After the weld is cleaned, a large amount of impurities adhere to the first wire cleaning plate 121 and the second wire cleaning plate 122, which will affect the cleaning quality of the next workpiece, and it is necessary to clean the impurities. Refer to Figures 5 - 9 , when the two mounting seats 11 are separated after the weld is cleaned, the arc bar 23 resets and can drive the hollow rod 29 and a plurality of abutting pieces 43 to move synchronously, so that a plurality of abutting pieces 43 intermittently abut against the rocker bracket 40, and the second torsion spring 41 continuously stores energy and releases elastic force, causing the rocker bracket 40 to rotate on the rotating block 39, thereby driving the knocking block 42 to continuously act on the first wire cleaning plate 121, so that the generated vibration force can shake off the impurities on the first wire cleaning plate 121 and the second wire cleaning plate 122 and reduce the amount of adhered impurities;

[0052] At the same time, when the heating seat 13 moves upward, it can drive the wave plate 48 to move to the top of the abutment frame 50. When the heating seat 13 is reset and moves downward and the cleaning component moves upward for reset, the purpose of intermittent abutment between the wave plate 48 and the abutment frame 50 can be achieved, so that the wave plate 48 drives the arc-shaped rack 47 to reciprocate on the surface of the heating seat 13. The eleventh spring 49 continuously accumulates and releases elastic force, so that the arc-shaped rack 47 drives the fan-shaped tooth block 45 to rotate, causing the flushing nozzle 46 fixed on the fan-shaped tooth block 45 to deflect, so that the flushing nozzle 46 can swing left and right when flushing the first steel wire cleaning plate 121 and the second steel wire cleaning plate 122, thereby reducing the dead angle of flushing, improving the effect of impurity cleaning, and improving the quality of cleaning the next weld by the first steel wire cleaning plate 121 and the second steel wire cleaning plate 122.

[0053] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0054] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A steel furniture frame welding device, comprising a welding table (1), characterized in that: A welding frame (2) is fixed on the welding table (1). A welding assembly is arranged on the welding frame (2). First electric push rods (6) are arranged on both sides of the welding frame (2). A first guide block (7) is sleeved on the piston rod of the first electric push rod (6). An adjusting assembly is connected to the first guide block (7). A first spring (9) is connected between the first guide block (7) and the piston rod of the first electric push rod (6). A cross moving frame (10) is installed on the adjusting assembly. Semicircular mounting seats (11) are installed at both ends of the cross moving frame (10). A semicircular rotating seat (12) is arranged below the mounting seat (11). A heating seat (13) and a cleaning assembly are respectively arranged in the rotating seat (12).

2. The steel furniture frame welding device according to claim 1, characterized in that: An electric heating wire (15) is installed in the heating seat (13). A plurality of air blowing nozzles (16) are arranged on the mounting seat (11). A plurality of T-shaped blocks (17) are fixed on the rotating seat (12). A sliding groove (18) is formed in the mounting seat (11). The T-shaped blocks (17) are clamped in the sliding groove (18). A second spring (19) is connected between one of the T-shaped blocks (17) and the rotating seat (12). A first sliding rod (20) is fixed on the heating seat (13). The first sliding rod (20) is elastically connected to the rotating seat (12) through a third spring (3). A first abutting block (8) is fixed on one of the rotating seats (12).

3. The steel furniture frame welding device according to claim 2, characterized in that: The welding assembly includes a second electric push rod (201). The second electric push rod (201) is fixed on the welding frame (2). The lower end of the piston rod of the second electric push rod (201) is connected to a first servo motor (202). A mounting plate (203) is fixed on the motor shaft of the first servo motor (202). A welding torch (204) is fixed on the mounting plate (203).

4. The steel furniture frame welding device according to claim 3, characterized in that: The adjusting assembly includes a movable seat (71). The movable seat (71) is fixed on the first guide block (7). A bidirectional lead screw (72) is rotatably connected to the movable seat (71). Two threaded blocks (73) are threadedly connected to the bidirectional lead screw (72). A vertical rod (74) is installed on the threaded block (73). The vertical rod (74) is rotatably connected to both ends of the cross moving frame (10). A second servo motor (75) is fixed at one end of the movable seat (71). The motor shaft of the second servo motor (75) is connected to one end of the bidirectional lead screw (72). A first guide rod (76) is fixed on one side of the threaded block (73). The first guide rod (76) is slidably connected to the movable seat (71). A second guide rod (77) is fixed on one side of the movable seat (71). The second guide rod (77) is slidably connected to the welding frame (2).

5. The steel furniture frame welding device according to claim 4, characterized in that: The cleaning assembly includes a first steel wire cleaning plate (121). Second steel wire cleaning plates (122) are respectively arranged at two ends of the first steel wire cleaning plate (121). An insertion column (125) is installed on the first steel wire cleaning plate (121). A connecting piece (123) is installed on the second steel wire cleaning plate (122). The connecting piece (123) is rotatably connected to the insertion column (125). A first torsion spring (124) is installed between the insertion column (125) and the connecting piece (123).

6. The steel furniture frame welding device according to claim 5, characterized in that: A first abutting rod (21) is slidably connected to the rotating seat (12). An arc-shaped strip (23) is fixed to one end of the first abutting rod (21). A sliding seat (24) is sleeved on the other end of the first abutting rod (21). The arc-shaped strip (23) is elastically connected to the rotating seat (12) through a fourth spring (22). The first abutting rod (21) is elastically connected to the sliding seat (24) through a twelfth spring (211). Two third guide rods (25) are installed on the sliding seat (24). A second guide block (26) is slidably connected to the third guide rod (25). One end of the second guide block (26) is fixed to the first steel wire cleaning plate (121). The second guide block (26) is elastically connected to the sliding seat (24) through a fifth spring (27). A second abutting block (28) is fixed to the first steel wire cleaning plate (121). A third abutting rod (51) abuts against the arc-shaped strip (23). The third abutting rod (51) is elastically connected to the rotating seat (12) through a tenth spring (52). One end of the third abutting rod (51) abuts against the second steel wire cleaning plate (122).

7. The steel furniture frame welding device according to claim 6, characterized in that: A hollow rod (29) is fixed to the arc-shaped strip (23). A second abutting rod (30) is slidably connected to the hollow rod (29). A seventh spring (14) is installed between the hollow rod (29) and the second abutting rod (30). The hollow rod (29) is slidably connected to the rotating seat (12). One end of the hollow rod (29) abuts against a third abutting block (31). The third abutting block (31) is fixed to the heating seat (13).

8. The steel furniture frame welding device according to claim 7, wherein: A fourth guide rod (32) is fixed to the welding table (1). An L-shaped abutting frame (33) abuts against the lower part of the arc-shaped strip (23). The fourth guide rod (32) is elastically connected to the L-shaped abutting frame (33) through an eighth spring (34). A fourth abutting block (35) is fixed to one side of the L-shaped abutting frame (33). A connecting bracket (36) is fixed to one side of the first servo motor (202). A wedge-shaped abutting head (37) is slidably connected to the connecting bracket (36). A ninth spring (38) is connected between the wedge-shaped abutting head (37) and the connecting bracket (36). The wedge-shaped abutting head (37) is located above the fourth abutting block (35).

9. The steel furniture frame welding device according to claim 8, characterized in that: A rotating block (39) is fixed on the first steel wire cleaning plate (121). A seesaw bracket (40) is rotatably connected to the rotating block (39). A second torsion spring (41) is connected between the seesaw bracket (40) and the rotating block (39). A knocking block (42) is fixed at one end of the seesaw bracket (40). A plurality of abutting pieces (43) are fixed on the hollow rod (29).

10. The steel furniture frame welding device according to claim 9, characterized in that: A plurality of mounting blocks (44) are fixed on the back surface of the heating base (13). A sector gear block (45) is rotatably connected to the mounting block (44). A flushing nozzle (46) is fixed at one end of the sector gear block (45). An arc-shaped rack (47) is slidably connected to the back surface of the heating base (13). The arc-shaped rack (47) meshes with the sector gear block (45). A corrugated plate (48) is fixed on the arc-shaped rack (47). The corrugated plate (48) is elastically connected to the heating base (13) through an eleventh spring (49). Abutting frame (50) is arranged above the corrugated plate (48). The abutting frame (50) is fixed on the rotating seat (12).

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