Frame welding equipment

Abstract

The utility model discloses frame welding equipment, which comprises a clamp device, a welding device, a welding device, a welding device, a welding device, a welding device, a welding device, a welding device and a control device, the clamp device comprises a conveying device and two welding clamps, and the two welding clamps are vertically staggered and can be driven by the conveying device to move back and forth; and the welding device comprises a welding moving device and a welding head assembly, the welding moving device comprises a transverse moving device and a lifting moving device, and the lifting moving device can drive the welding head assembly to move up and down and can move to the height of the two welding clamps. The two welding clamps are arranged up and down, so that the occupied area of equipment can be reduced; when one welding clamp is used for feeding or discharging, the other welding clamp can be used for welding on the lower side of the welding device, so that the feeding and discharging waiting time can be shortened through the alternate actions, and the welding efficiency is improved; the lifting moving device drives the welding head assembly to descend to the height corresponding to the welding clamp, and the welding head assembly moves to different welding points for welding, so that automatic welding of the frame is achieved, and the welding efficiency is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding technical field especially relates to a frame welding equipment. BACKGROUND

[0002] Automatic welding is more and more popular in welding processing, and a frame currently comprises four frame strips, and welding needs to be carried out at the splicing positions between the frame strips, and the person skilled in the art hopes to have a welding equipment capable of automatically welding the frame to improve welding efficiency and quality. CONTENT OF UTILITY MODEL

[0003] The main purpose of the utility model is to provide a frame welding equipment to automatically weld the frame.

[0004] To achieve the above-mentioned purpose, the utility model provides a frame welding equipment, which comprises:

[0005] Clamp device, it includes conveying device and two welding clamps, the welding clamp is used for clamping frame, two welding clamps are arranged in upside-down position, two welding clamps are respectively connected with the rack along the front and back direction sliding, conveying device is transmission connection with two welding clamps, conveying device can drive two welding clamps to move forward and backward;

[0006] Welding device, it includes welding mobile device and welding head assembly, welding head assembly is connected on welding mobile device, welding mobile device includes transverse movement device and lifting movement device, transverse movement device can drive welding head assembly to move laterally, lifting movement device can drive welding head assembly to move up and down and can move to the height of two welding clamps.

[0007] The frame to be welded is placed on the welding clamp, and the welding clamp positions and clamps the frame;Two welding clamps are arranged in upside-down position, which can reduce the floor area of the equipment;Two welding clamps can be driven to move forward and backward alternately by the conveying device, when one welding clamp is in loading or unloading, the other welding clamp can be welded at the lower side of the welding device, so that the alternating action can reduce the waiting time of loading and unloading, and improve the welding efficiency;When the welding clamp and the frame are conveyed to the lower side of the welding device, the lifting movement device drives the welding head assembly to descend to the height corresponding to the welding clamp, and cooperates with the transverse movement device to drive the welding head assembly to move to different welding points for welding, so as to realize automatic welding of the frame, and the welding efficiency is higher.

[0008] Preferably, the conveying device comprises a linkage alternate conveying mechanism, which can synchronously drive two welding clamps to move forward and backward alternately. By synchronously driving two welding clamps to move alternately through the linkage alternate conveying mechanism, the driving structure of two welding clamps can be simplified.

[0009] Preferably, the linkage alternating conveying mechanism comprises a driving wheel, a driven wheel and a conveying drive motor, the driving wheel and the driven wheel are arranged in front and back, the driving wheel and the driven wheel are rotationally connected with the rack, the conveying drive motor is in transmission connection with the driving wheel, the driving wheel and the driven wheel are provided with a conveying transmission belt, and the two welding fixtures are fixedly connected with the upper and lower belt segments of the conveying transmission belt.

[0010] Preferably, the welding head assembly comprises a first welding head arranged vertically and a second welding head arranged obliquely, and the second welding head is arranged beside the first welding head.

[0011] The first welding head can weld the weld joint on the upper side of the frame, the second welding head can conveniently weld the weld joint on the side of the frame, and the cooperation of the first welding head and the second welding head can improve the welding efficiency.

[0012] Preferably, the welding head assembly comprises a welding seat, the first welding head and the second welding head are arranged on the welding seat, the first welding head is in sliding connection with the welding seat in the up-down direction, the second welding head is in rotational connection with the welding seat, the rotational axis of the second welding head is coaxially arranged with the axis of the first welding head, the welding seat is provided with a first lifting drive unit and a second rotating drive unit, the first lifting drive unit is in transmission connection with the first welding head, the first lifting drive unit can drive the first welding head to move up and down, and the second rotating drive unit can drive the second welding head to rotate around the outer periphery of the first welding head.

[0013] The first lifting drive unit can drive the first welding head to move up and down, the first welding head moves downward to weld during welding, the first welding head can move upward to give way when the second welding head needs to weld, so that the second welding head can move downward along the weld joint on the side to weld. The second rotating drive unit can drive the second welding head to rotate, and the angle can be switched to adapt to the weld joint when the frame is in different positions.

[0014] Preferably, the transverse moving device comprises a front-rear driving device, a moving beam and a left-right driving device, the front-rear driving device is connected with the rack, the moving beam extends in the left-right direction, the moving beam is arranged above the fixture device, the moving beam is arranged on the moving end of the front-rear driving device, the front-rear driving device can drive the moving beam to move forward and backward, the left-right driving device is arranged on the moving beam, the lifting moving device is arranged on the moving end of the left-right driving device, the left-right driving device can drive the lifting moving device to move left and right, and the welding head assembly is arranged on the moving end of the lifting moving device.

[0015] Preferably, the number of the welding head assemblies, the left and right driving devices and the lifting moving devices is two groups, the welding head assemblies are arranged left and right, and the welding head assemblies, the left and right driving devices and the lifting moving devices are connected one by one.

[0016] Preferably, the welding clamp comprises a clamp base, at least two groups of clamping positioning assemblies are arranged on the clamp base, one group of the clamping positioning assemblies is used for clamping and positioning one frame, the positioning heights of different clamping positioning assemblies are arranged in an up-down staggered manner, and the positioning areas of different clamping positioning assemblies partially overlap in the transverse direction; the clamping positioning assembly comprises four corner positioning assemblies, the four corner positioning assemblies are distributed on the left front side, the left rear side, the right front side and the right rear side of the clamp base, and the four corner positioning assemblies are used for clamping and positioning four corner portions of the frame respectively; the corner positioning assembly comprises a front and rear clamping mechanism and a left and right clamping mechanism, the front and rear clamping mechanism is used for clamping and positioning a frame strip extending in the left and right direction in the front and rear direction, and the left and right clamping mechanism is used for clamping and positioning a frame strip extending in the front and rear direction in the left and right direction.

[0017] One group of clamping positioning assemblies is used for clamping and positioning one frame, by arranging at least two groups of clamping positioning assemblies on the clamp base, at least two frames can be clamped and welded at a time, and the clamping and moving time of each frame is reduced; in addition, the clamped multiple frames are stacked up and down and partially overlap in the transverse direction, so that the multiple frames are closer, the moving distance of the welding head assembly is shortened, the welding efficiency is improved, and the floor area of the frame welding clamp and equipment is reduced. The four corner positioning assemblies clamp and position the four corner portions of the frame respectively, the front and rear clamping mechanism and the left and right clamping mechanism of each corner positioning assembly clamp and position two frame strips at the corner portion position respectively, and the positioning accuracy at the corner portion position of the frame is improved.

[0018] Preferably, two left and right sliding seats are slidably connected to the clamp base, the two left and right sliding seats are arranged at intervals left and right, and a left-right adjusting mechanism is further arranged on the clamp base, the two left and right sliding seats are connected with the left-right adjusting mechanism, the left-right adjusting mechanism can adjust the relative distance between the two left and right sliding seats, the corner positioning assemblies located at the left front side and the left rear side are arranged on the left sliding seat, and the corner positioning assemblies located at the right front side and the right rear side are arranged on the right sliding seat; two front and rear sliding seats are slidably connected to the left and right sliding seats, the two front and rear sliding seats are arranged at intervals front and rear, a front and rear adjusting mechanism is further arranged on the front and rear sliding seats, the two front and rear sliding seats are connected with the front and rear adjusting mechanism, and the front and rear adjusting mechanism can adjust the relative distance between the two front and rear sliding seats; the corner positioning assemblies located at the left front side and the left rear side are arranged on the two front and rear sliding seats on the left side respectively, and the corner positioning assemblies located at the right front side and the right rear side are arranged on the two front and rear sliding seats on the right side respectively.

[0019] Preferably, the front and rear clamping mechanism comprises a front and rear fixed clamping block and a front and rear movable clamping block, the front and rear fixed clamping block and the front and rear movable clamping block are arranged front and rear, the welding clamp further comprises a front and rear push block and a front and rear clamping driving unit, the front and rear movable clamping blocks in the corner positioning assemblies corresponding to the positions of the corner portions in different clamping and positioning assemblies are arranged on the front and rear push block, the front and rear clamping driving unit is in transmission connection with the front and rear push block, and the front and rear clamping driving unit can drive the front and rear movable clamping blocks to move front and rear to clamp the frame strip by approaching the corresponding front and rear fixed clamping blocks or to loosen the frame strip by moving away from the corresponding front and rear fixed clamping blocks.

[0020] The left and right clamping mechanism comprises a left and right fixed clamping block and a left and right movable clamping block, the left and right fixed clamping block and the left and right movable clamping block are arranged left and right, the welding clamp further comprises a left and right push block and a left and right clamping driving unit, the left and right movable clamping blocks in the corner positioning assemblies corresponding to the positions of the corner portions in different clamping and positioning assemblies are arranged on the left and right push block, the left and right clamping driving unit is in transmission connection with the left and right push block, and the left and right clamping driving unit can drive the left and right movable clamping blocks to move left and right to clamp the frame strip by approaching the corresponding left and right fixed clamping blocks or to loosen the frame strip by moving away from the corresponding left and right fixed clamping blocks.

[0021] In a plurality of clamping and positioning assemblies, a plurality of front and rear clamping mechanisms corresponding to the positions of the corner portions share one front and rear clamping driving unit, and a plurality of left and right clamping mechanisms corresponding to the positions of the corner portions share one left and right clamping driving unit, after the plurality of frame borders are placed, one action of the front and rear clamping driving unit and the left and right clamping driving unit can clamp the plurality of frame borders, the number of driving units can be reduced, and the structure of the frame welding clamp is simplified. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the accompanying drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced. Obviously, the accompanying drawings in the following description only show some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained according to the structure shown in the drawings without creative labor.

[0023] Figure 1 It is a structural schematic view of the frame welding equipment of the present application;

[0024] Figure 2 It is a structural schematic view of the conveying device and the welding fixture of the present application;

[0025] Figure 3 It is a structural schematic view of the welding device of the present application;

[0026] Figure 4 It is a structural schematic view of the welding head assembly of the present application;

[0027] Figure 5 It is a structural schematic view of the welding fixture of the present application;

[0028] Figure 6 It is a structural schematic view of the welding fixture of the present application when clamping two frames;

[0029] Figure 7 It is Figure 5 It is another angle structural schematic view of the corner positioning assembly in A;

[0030] Figure 8 It is Figure 7 It is a structural schematic view of the corner positioning assembly when clamping two frames.

[0031] In the drawings: 1-frame, 2-conveying device, 22-driven transmission wheel, 23-conveying transmission belt, 231-upper belt section, 232-lower belt section, 24-conveying drive motor, 3-welding clamp, 31-clamp base, 32-angular positioning assembly, 321-front and rear clamping mechanism, 3211-front and rear fixed clamping block, 3212-front and rear movable clamping block, 3213-front and rear clamping drive unit, 322-left and right clamping mechanism, 3221-left and right fixed clamping block, 3222-left and right movable clamping block, 3223-left and right clamping drive unit, 323-front and rear push block, 324-left and right push block, 33-left and right sliding seat, 331-left and right adjusting mechanism, 34-front and rear sliding seat, 341-front and rear adjusting mechanism, 35-supporting block, 4-welding moving device, 41-lifting moving device, 42-front and rear driving device, 421-front and rear rack, 423-front and rear drive motor, 43-moving cross beam, 44-left and right driving device, 441-left and right rack, 443-left and right drive motor, 5-welding head assembly, 51-first welding head, 52-second welding head, 53-welding seat, 54-first lifting drive unit, 55-second rotating drive unit, 8-border, 81-frame strip.

[0032] The implementation, functional features and advantages of the utility model will be further described with reference to the drawings in combination with embodiments. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0034] It should be noted that if the embodiments of the utility model involve directional indications, such as up, down, left, right, front, back, etc., the directional indications are only used to explain the relative position relationship, movement condition, etc. between components in a certain posture, and if the certain posture changes, the directional indications also change accordingly.

[0035] In addition, if the description of "first", "second" and the like is involved in the embodiments of the present application, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the same or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of the technical personnel in the art, when the combination of the technical solutions appears contradictory or cannot be realized, it should be considered that the combination of the technical solutions does not exist, nor in the protection scope required by the present application.

[0036] As shown in Figures 1 to 8 A frame welding equipment, comprising a rack 1, the rack 1 is provided with clamp device and welding device.

[0037] The clamp device comprises a conveying device 2 and two welding clamps 3, the welding clamps 3 are used for clamping the frame 8, the two welding clamps 3 are arranged in up-down staggered mode, the two welding clamps 3 are respectively connected with the rack 1 along the front-back direction, the conveying device 2 is connected with the two welding clamps 3 in transmission mode, and the conveying device 2 can drive the two welding clamps 3 to move forward and backward. The front side of the rack 1 is provided with an upper and lower loading position, when the welding clamps 3 are conveyed to the upper and lower loading position, the frame 8 to be welded can be put into the welding clamps 3 by manual or equipment or the welded frame 8 can be taken out from the welding clamps 3, and the rear side of the rack 1 is provided with a welding position, when the welding clamps 3 move to the welding position, the welding device welds the frame 8.

[0038] The welding device comprises a welding moving device 4 and a welding head assembly 5, the welding head assembly 5 is connected to the welding moving device 4, the welding moving device 4 comprises a transverse moving device and a lifting moving device 41, the transverse moving device can drive the welding head assembly 5 to move transversely, and the lifting moving device 41 can drive the welding head assembly 5 to move up and down and can move to the height of the two welding clamps 3.

[0039] The frame 8 to be welded is placed on the welding clamps 3, and the welding clamps 3 position and clamp the frame 8; the two welding clamps 3 are arranged in up-down staggered mode, so that the floor area occupied by the equipment can be reduced; the two welding clamps 3 can be driven to move forward and backward alternately by the conveying device 2, when one welding clamp 3 is in the process of loading or unloading, the other welding clamp 3 can be welded at the lower side of the welding device, so that the waiting time for loading and unloading can be reduced, and the welding efficiency can be improved; when the welding clamps 3 and the frame 8 are conveyed to the lower side of the welding device, the lifting moving device 41 drives the welding head assembly 5 to descend to the height corresponding to the welding clamp 3, and cooperates with the transverse moving device to drive the welding head assembly 5 to move to different welding points for welding, so that automatic welding of the frame 8 is realized, and the welding efficiency is higher.

[0040] In some specific embodiments, the conveying device 2 comprises a linkage alternating conveying mechanism capable of synchronously driving the two welding clamps 3 to move alternately. By synchronously driving the two welding clamps 3 to move alternately through the linkage alternating conveying mechanism, the number of driving units can be reduced, and the driving structure of the two welding clamps 3 can be simplified. In other embodiments, the conveying device 2 can also comprise two conveying mechanisms respectively driving the two welding clamps 3 to move.

[0041] Further, referring to Figure 2 , the linkage alternating conveying mechanism comprises a driving pulley, a driven pulley 22, and a conveying drive motor 24. The driving pulley and the driven pulley 22 are arranged in front of and behind each other, and are rotationally connected to the rack 1. The conveying drive motor 24 is in transmission connection with the driving pulley. A conveying transmission belt 23 is wound around the driving pulley and the driven pulley 22. The two welding clamps 3 are respectively fixedly connected to the upper belt segment 231 and the lower belt segment 232 of the conveying transmission belt 23. The upper belt segment 231 is the upper half of the conveying transmission belt 23, and the lower belt segment 232 is the lower half of the conveying transmission belt 23. The conveying drive motor 24 drives the driving pulley to rotate, so that the conveying transmission belt 23 rotates. The movement directions of the upper belt segment 231 and the lower belt segment 232 are opposite, thereby synchronously driving the two welding clamps 3 to move in opposite directions. The driving pulley, the driven pulley 22, and the conveying transmission belt 23 can be a synchronous pulley and synchronous belt structure.

[0042] In some specific embodiments, the welding head assembly 5 comprises a first welding head 51 arranged vertically and a second welding head 52 arranged obliquely, and the second welding head 52 is arranged beside the first welding head 51.

[0043] The first welding head 51 can weld the weld seams on the upper side of the frame 8, and the second welding head 52 can conveniently weld the weld seams on the side of the frame 8. The cooperation of the first welding head 51 and the second welding head 52 can improve the welding efficiency.

[0044] Further, referring to Figure 4 , the welding head assembly 5 comprises a welding seat 53. The first welding head 51 and the second welding head 52 are both arranged on the welding seat 53. The first welding head 51 is in sliding connection with the welding seat 53 in the up-down direction, and the second welding head 52 is in rotational connection with the welding seat 53. The rotational axis of the second welding head 52 is coaxially arranged with the axis of the first welding head 51. The welding seat 53 is provided with a first lifting driving unit 54 and a second rotating driving unit 55. The first lifting driving unit 54 is in transmission connection with the first welding head 51, and can drive the first welding head 51 to move up and down. The second rotating driving unit 55 can drive the second welding head 52 to rotate around the outer periphery of the first welding head 51.

[0045] The first lifting driving unit 54 can drive the first welding head 51 to move up and down. When welding, the first welding head 51 moves downward to weld. When the second welding head 52 needs to weld, the first welding head 51 can move upward to avoid the position of the frame 8, so that the second welding head 52 can move downward along the side weld to weld. The second rotating driving unit 55 can drive the second welding head 52 to rotate. For the welds in different positions of the frame 8, the angle can be switched to adapt to the weld. The first lifting driving unit 54 can adopt a driving mechanism such as a cylinder, a motor lead screw, etc. The second rotating driving unit 55 can adopt a driving mechanism such as a rotating cylinder, a motor synchronous belt, etc. Figure 4 The second rotating driving unit 55 is connected and driven with the second welding head 52 through a synchronous wheel synchronous belt.

[0046] In some specific embodiments, referring to Figure 3 , the transverse moving device includes a front-rear driving device 42, a moving cross beam 43, and a left-right driving device 44. The front-rear driving device 42 is connected with the rack 1. The moving cross beam 43 extends in the left-right direction. The moving cross beam 43 is arranged above the clamp device. The moving cross beam 43 is arranged on the moving end of the front-rear driving device 42. The front-rear driving device 42 can drive the moving cross beam 43 to move forward and backward. The left-right driving device 44 is arranged on the moving cross beam 43. The lifting moving device 41 is arranged on the moving end of the left-right driving device 44. The left-right driving device 44 can drive the lifting moving device 41 to move left and right. The welding head assembly 5 is arranged on the moving end of the lifting moving device 41.

[0047] Further, the front-rear driving device 42 includes a front-rear rack 421, a front-rear gear, and a front-rear driving motor 423. The front-rear rack 421 extends in the front-rear direction. The front-rear rack 421 is fixed on the rack 1. The front-rear driving motor 423 is fixed on the moving cross beam 43. The front-rear gear is fixed on the output shaft of the front-rear driving motor 423. The front-rear gear is engaged with the front-rear rack 421. The front-rear driving motor 423 can drive the moving cross beam 43 to move forward and backward. The left-right driving device 44 further includes a left-right moving seat. The left-right moving seat slides with the moving cross beam 43 in the left-right direction. The left-right driving device 44 includes a left-right rack 441, a left-right gear, and a left-right driving motor 443. The left-right rack 441 extends in the left-right direction. The left-right rack 441 is fixed on the moving cross beam 43. The left-right driving motor 443 is fixed on the left-right moving seat. The left-right gear is fixed on the output shaft of the left-right driving motor 443. The left-right gear is engaged with the left-right rack 441. The left-right driving motor 443 can drive the left-right moving seat to move left and right. The front-rear driving device 42 and the left-right driving device 44 can also adopt a lead screw linear motion module, etc. The lifting moving device 41 adopts a lead screw linear motion module or a gear and rack motion module, etc. The welding seat 53 and the welding head assembly 5 are fixed on the moving end of the lifting moving device 41.

[0048] In some specific embodiments, the number of welding head assemblies 5, left and right driving devices 44 and lifting moving devices 41 are two groups, the two groups of welding head assemblies 5 are arranged on the left and right sides, and the welding head assemblies 5, left and right driving devices 44 and lifting moving devices 41 are connected one by one. The two groups of welding head assemblies 5 can respectively weld the left and right sides of the frame 8 on the left and right sides, which can improve the welding efficiency.

[0049] In some specific embodiments, the welding clamp 3 comprises a clamp base 31, and at least two groups of clamping and positioning assemblies are arranged on the clamp base 31. One group of clamping and positioning assemblies is used for clamping and positioning one frame 8. The positioning heights of different clamping and positioning assemblies are arranged in an up-down staggered manner, and the positioning areas of different clamping and positioning assemblies partially overlap in the transverse direction. The clamping and positioning assembly comprises four corner positioning assemblies 32 distributed on the left front side, the left rear side, the right front side and the right rear side of the clamp base 31, which are used for clamping and positioning the four corner portions of the frame 8 respectively. The corner positioning assembly 32 comprises a front and rear clamping mechanism 321 and a left and right clamping mechanism 322. The front and rear clamping mechanism 321 is used for clamping and positioning the frame strip 81 extending in the left and right directions in the front and rear directions. The left and right clamping mechanism 322 is used for clamping and positioning the frame strip 81 extending in the front and rear directions in the left and right directions.

[0050] One group of clamping and positioning assemblies is used for clamping and positioning one frame 8. The positioning area of the clamping and positioning assembly is the area surrounded by the frame 8. By arranging at least two groups of clamping and positioning assemblies on the clamp base 31, the number of clamping and positioning assemblies can be two, three or more. In this way, at least two frames 8 can be clamped and welded at one time, reducing the clamping and moving time of each frame 8. In addition, the clamped multiple frames 8 are stacked up and down and partially overlap in the transverse direction. Each frame 8 can expose the position to be welded in the transverse direction, and the hollow position inside the frame 8 can overlap. Referring to Figure 6 and Figure 8 The multiple frames 8 are closer to each other, which can shorten the moving distance of the welding head assembly 5, improve the welding efficiency, and reduce the floor area of the frame 8 welding clamp 3 and the equipment. The four corner positioning assemblies 32 clamp and position the four corner portions of the frame 8 respectively. The corner portion should be understood as including the corner and a length close to the corner. The purpose is to fix the position near the corner. The front and rear clamping mechanisms 321 and the left and right clamping mechanisms 322 of each corner positioning assembly 32 clamp and position two frame strips 81 at the corner portion position, which improves the positioning accuracy at the corner portion position of the frame 8.

[0051] Further, the clamp base 31 is slidably connected with two left and right sliding seats 33, the two left and right sliding seats 33 are arranged at intervals left and right, the clamp base 31 is further provided with a left and right adjusting mechanism 331, the two left and right sliding seats 33 are connected with the left and right adjusting mechanism 331, the left and right adjusting mechanism 331 can adjust the left and right relative spacing of the two left and right sliding seats 33, the angle positioning assemblies 32 located at the left front side and the left rear side are arranged on the left sliding seat 33, and the angle positioning assemblies 32 located at the right front side and the right rear side are arranged on the right sliding seat 33; the left and right sliding seats 33 are slidably connected with two front and rear sliding seats 34, the two front and rear sliding seats 34 are arranged at intervals front and rear, the front and rear sliding seats 34 are further provided with a front and rear adjusting mechanism 341, the two front and rear sliding seats 34 are connected with the front and rear adjusting mechanism 341, and the front and rear adjusting mechanism 341 can adjust the front and rear relative spacing of the two front and rear sliding seats 34.

[0052] Through the left and right adjusting mechanism 331, the left and right relative spacing between the two angle positioning assemblies 32 located at the left side and the two angle positioning assemblies 32 located at the right side can be adjusted to adapt to clamping the frame 8 with different left and right widths; through the front and rear adjusting mechanism 341, the front and rear relative spacing between the angle positioning assembly 32 located at the front side and the angle positioning assembly 32 located at the rear side can be adjusted to adapt to clamping the frame 8 with different front and rear widths, and the versatility of the frame 8 welding clamp 3 is improved. The left and right adjusting mechanism 331 and the front and rear adjusting mechanism 341 can adopt a bidirectional screw or a screw long slot adjusting mechanism.

[0053] In some specific embodiments, referring to Figure 7 and Figure 8 The clamping positioning assembly further comprises a supporting block 35 for supporting and positioning the abutting position of the two frame strips 81, thereby improving the positioning accuracy of the splicing position between the two frame strips 81. The splicing form of the frame 8 can be various, and four separate frame strips 81 can be spliced, and four supporting blocks 35 can be arranged to support the splicing positions between the four frame strips 81; or three frame strips 81 connected by a long strip and one separate frame strip 81 can be spliced, and two supporting blocks 35 can be arranged at the splicing positions between the separate frame strip 81 and the two frame strips 81 at both ends.

[0054] In some specific embodiments, referring to Figure 7 and Figure 8The front and rear clamping mechanism 321 comprises front and rear fixed clamping blocks 3211 and front and rear movable clamping blocks 3212. The front and rear fixed clamping blocks 3211 are arranged in front of and behind the front and rear movable clamping blocks 3212. The welding fixture 3 further comprises front and rear push blocks 323 and a front and rear clamping driving unit 3213. The front and rear movable clamping blocks 3212 in the corner positioning assembly 32 corresponding to the position of the corner are arranged on the front and rear push blocks 323. The front and rear clamping driving unit 3213 is in transmission connection with the front and rear push blocks 323. The front and rear clamping driving unit 3213 can drive the front and rear movable clamping blocks 3212 to move forward and backward to clamp the frame strip 81 close to the corresponding front and rear fixed clamping blocks 3211 or to loosen the frame strip 81 away from the corresponding front and rear fixed clamping blocks 3211.

[0055] The left and right clamping mechanism 322 comprises left and right fixed clamping blocks 3221 and left and right movable clamping blocks 3222. The left and right fixed clamping blocks 3221 are arranged on the left and right of the left and right movable clamping blocks 3222. The welding fixture 3 further comprises left and right push blocks 324 and a left and right clamping driving unit 3223. The left and right movable clamping blocks 3222 in the corner positioning assembly 32 corresponding to the position of the corner are arranged on the left and right push blocks 324. The left and right clamping driving unit 3223 is in transmission connection with the left and right push blocks 324. The left and right clamping driving unit 3223 can drive the left and right movable clamping blocks 3222 to move left and right to clamp the frame strip 81 close to the corresponding left and right fixed clamping blocks 3221 or to loosen the frame strip 81 away from the corresponding left and right fixed clamping blocks 3221.

[0056] Specifically, the front and rear fixed clamping blocks 3211 and the left and right fixed clamping blocks 3221 are fixed on the corresponding front and rear sliding seats 34. The front and rear movable clamping blocks 3212 are in sliding connection with the corresponding front and rear sliding seats 34 in the front and rear directions. The left and right movable clamping blocks 3222 are in sliding connection with the corresponding front and rear sliding seats 34 in the left and right directions. The front and rear clamping driving unit 3213 and the left and right clamping driving unit 3223 can adopt a gas cylinder or the like.

[0057] In the plurality of clamping and positioning assemblies, the plurality of front and rear clamping mechanisms 321 corresponding to the positions of the corners share one front and rear clamping driving unit 3213. The plurality of left and right clamping mechanisms 322 corresponding to the positions of the corners share one left and right clamping driving unit 3223. After the plurality of frame borders 8 are placed, the front and rear clamping driving unit 3213 drives the front and rear push blocks 323 to move. The left and right clamping driving unit 3223 drives the left and right push blocks 324 to move. One action of the front and rear clamping driving unit 3213 and the left and right clamping driving unit 3223 can clamp the plurality of frame borders 8. The number of driving units can be reduced, and the structure of the frame border 8 welding fixture 3 is simplified.

[0058] The above merely describes preferred embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structural transformation or direct / indirect application in other related technical fields under the inventive concept of the present application, and by using the content of the present application specification and drawings, are included in the patent protection scope of the present application.

Claims

1. A frame welding apparatus characterized by comprising: The rack (1) is provided with: The clamp device comprises a conveying device (2) and two welding clamps (3) for clamping the frame (8), the two welding clamps (3) are arranged in an upper and lower staggered manner, and the two welding clamps (3) are respectively connected with the rack (1) in a sliding manner in the front-rear direction. The conveying device (2) is connected with the two welding clamps (3) in a transmission manner, and the conveying device (2) can drive the two welding clamps (3) to move forward and backward. The welding device comprises a welding moving device (4) and a welding head assembly (5), the welding head assembly (5) is connected to the welding moving device (4), the welding moving device (4) comprises a transverse moving device and a lifting moving device (41), the transverse moving device can drive the welding head assembly (5) to move transversely, and the lifting moving device (41) can drive the welding head assembly (5) to move up and down and can be moved to the height of the two welding clamps (3).

2. The edge-welding apparatus of claim 1, wherein The conveying device (2) comprises a linkage alternate conveying mechanism, which can synchronously drive the two welding clamps (3) to alternately move forward and backward.

3. The edge-welding apparatus of claim 2, wherein The linkage alternate conveying mechanism comprises a driving transmission wheel, a driven transmission wheel (22) and a conveying drive motor (24), the driving transmission wheel and the driven transmission wheel (22) are arranged in a front-rear manner, the driving transmission wheel and the driven transmission wheel (22) are connected with the rack (1) in a rotating manner, the conveying drive motor (24) is connected with the driving transmission wheel in a transmission manner, the driving transmission wheel and the driven transmission wheel (22) are provided with a conveying transmission belt (23) therearound, and the two welding clamps (3) are respectively connected with the upper belt segment (231) and the lower belt segment (232) of the conveying transmission belt (23) in a fixed manner.

4. The edge-welding apparatus of claim 1, wherein The welding head assembly (5) comprises a first welding head (51) arranged vertically and a second welding head (52) arranged obliquely, and the second welding head (52) is arranged beside the first welding head (51).

5. The edge-welding apparatus of claim 4, wherein The welding head assembly (5) comprises a welding seat (53), the first welding head (51) and the second welding head (52) are arranged on the welding seat (53), the first welding head (51) is connected with the welding seat (53) in a sliding manner in the up-down direction, the second welding head (52) is connected with the welding seat (53) in a rotating manner, and the rotation axis of the second welding head (52) is coaxially arranged with the axis of the first welding head (51). The welding seat (53) is provided with a first lifting drive unit (54) and a second rotating drive unit (55), the first lifting drive unit (54) is connected with the first welding head (51) in a transmission manner, the first lifting drive unit (54) can drive the first welding head (51) to move up and down, and the second rotating drive unit (55) can drive the second welding head (52) to rotate outside the first welding head (51).

6. The edge-welding apparatus of claim 1, wherein The transverse moving device comprises front-rear driving devices (42), a moving cross beam (43) and left-right driving devices (44), the front-rear driving devices (42) are connected with the rack (1), the moving cross beam (43) extends in the left-right direction, the moving cross beam (43) is arranged above the clamp device, the moving cross beam (43) is arranged on the moving end of the front-rear driving devices (42), the front-rear driving devices (42) can drive the moving cross beam (43) to move forward and backward, the left-right driving devices (44) are arranged on the moving cross beam (43), the lifting moving device (41) is arranged on the moving end of the left-right driving devices (44), the left-right driving devices (44) can drive the lifting moving device (41) to move left and right, and the welding head assemblies (5) are arranged on the moving end of the lifting moving device (41).

7. The edge-welding apparatus of claim 6, wherein The welding head assemblies (5), the left-right driving devices (44) and the lifting moving devices (41) are all two groups, the two groups of welding head assemblies (5) are arranged left and right, and the welding head assemblies (5), the left-right driving devices (44) and the lifting moving devices (41) are connected in one-to-one correspondence.

8. The edge-welding apparatus of claim 1, wherein The welding clamp (3) comprises a clamp base (31), at least two groups of clamping and positioning assemblies are arranged on the clamp base (31), one group of clamping and positioning assemblies is used for clamping and positioning one frame (8), the positioning heights of different clamping and positioning assemblies are arranged in an up-down staggered mode, and the positioning areas of different clamping and positioning assemblies partially overlap in the transverse direction. The clamping and positioning assembly comprises four corner positioning assemblies (32), the four corner positioning assemblies (32) are distributed on the left front side, the left rear side, the right front side and the right rear side of the clamp base (31), and the four corner positioning assemblies (32) are used for clamping and positioning four corner portions of the frame (8) respectively. The corner positioning assembly (32) comprises front-rear clamping mechanisms (321) and left-right clamping mechanisms (322), the front-rear clamping mechanisms (321) are used for clamping and positioning the frame strip (81) extending in the left-right direction in the front-rear direction, and the left-right clamping mechanisms (322) are used for clamping and positioning the frame strip (81) extending in the front-rear direction in the left-right direction.

9. The edge-welding apparatus of claim 8, wherein Two left-right sliding seats (33) are slidably connected to the clamp base (31), the two left-right sliding seats (33) are arranged in a left-right interval, a left-right adjusting mechanism (331) is further arranged on the clamp base (31), the two left-right sliding seats (33) are connected with the left-right adjusting mechanism (331), the left-right adjusting mechanism (331) can adjust the left-right relative distance of the two left-right sliding seats (33), the corner positioning assemblies (32) located on the left front side and the left rear side are arranged on the left left-right sliding seat (33), and the corner positioning assemblies (32) located on the right front side and the right rear side are arranged on the right left-right sliding seat (33). Two front and rear sliding seats (34) are slidably connected to the left and right sliding seats (33), the two front and rear sliding seats (34) are arranged in front and back, and front and rear adjusting mechanisms (341) are further arranged on the front and rear sliding seats (34).

10. The edge-welding apparatus of claim 8, wherein The front and rear clamping mechanisms (321) comprise front and rear fixed clamping blocks (3211) and front and rear movable clamping blocks (3212), the front and rear fixed clamping blocks (3211) and the front and rear movable clamping blocks (3212) are arranged in front and back, the welding fixture (3) further comprises front and rear push blocks (323) and front and rear clamping driving units (3213), the front and rear movable clamping blocks (3212) in the corner positioning assemblies (32) corresponding to the positions of the different corner portions in the clamping positioning assemblies are arranged on the front and rear push blocks (323), the front and rear clamping driving units (3213) are in transmission connection with the front and rear push blocks (323), and the front and rear clamping driving units (3213) can drive the front and rear movable clamping blocks (3212) to move forward and backward to clamp the frame strip (81) close to the corresponding front and rear fixed clamping blocks (3211) or loosen the frame strip (81) away from the corresponding front and rear fixed clamping blocks (3211). The left and right clamping mechanisms (322) comprise left and right fixed clamping blocks (3221) and left and right movable clamping blocks (3222), the left and right fixed clamping blocks (3221) and the left and right movable clamping blocks (3222) are arranged in front and back, and the welding fixture (3) further comprises left and right push blocks (324) and left and right clamping driving units (3223), the left and right movable clamping blocks (3222) in the corner positioning assemblies (32) corresponding to the positions of the different corner portions in the clamping positioning assemblies are arranged on the left and right push blocks (324), the left and right clamping driving units (3223) are in transmission connection with the left and right push blocks (324), and the left and right clamping driving units (3223) can drive the left and right movable clamping blocks (3222) to move left and right to clamp the frame strip (81) close to the corresponding left and right fixed clamping blocks (3221) or loosen the frame strip (81) away from the corresponding left and right fixed clamping blocks (3221).

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