Welding equipment for main beam force tube of electro-tricycle

Abstract

The invention discloses welding equipment for a main beam force tube of an electro-tricycle, and relates to the technical field of tricycle manufacturing. The equipment comprises a main body frame, wherein a mounting frame is arranged on the main body frame; the positioning mechanism comprises two cross beam placing frames which are mounted on the mounting frame and are used for supporting cross beams, a plurality of rotating balls are rotationally mounted on the inner wall of each cross beam placing frame, and the positioning mechanism further comprises eight limiting wheels which are mounted on the cross beam placing frames and are used for positioning the cross beams; the cross beam containing frames are driven to rotate by 90 degrees through the cooperation effect of the pushing mechanism and the overturning mechanism, the vertical beams are limited through the effect of the clamping mechanism while the cross beam containing frames rotate, and at the moment, along with continuous driving of the moving mechanism, the two cross beam containing frames continue to move in the opposite directions; and meanwhile, the top surfaces of the two cross beams oppositely extrude the vertical beam, so that the vertical beam is centered and positioned, matching of the cross beams and the vertical beam is completed, the matching position is suspended, and matching welding of the vertical beam and the cross beams by external welding equipment is facilitated.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of tricycle manufacturing, in particular to a main beam force pipe welding device of an electric tricycle. BACKGROUND

[0002] At present, with the development of vehicles, electric tricycles have become important transportation tools. Electric tricycles are products upgraded from electric vehicles. Compared with electric vehicles, the capacity of electric tricycles has been greatly upgraded. The use of electric tricycles greatly reduces transportation costs. The most important thing in the production process of electric tricycles is the manufacturing of the main beam force pipe of the carriage.

[0003] However, in the process of manufacturing the main beam force pipe, the existing equipment positions and supports the main beam force pipe through a support plate, so that only one side of the horizontal beam and the vertical beam can be welded during welding. When welding the other side, the welded semi-finished product needs to be removed and then fixed for welding the other side. During the loading and unloading process, the semi-finished product may crack at the welding position due to uneven stress, greatly affecting the strength of the main beam force pipe and resulting in unqualified welding quality. Meanwhile, the loading and unloading process is extremely inconvenient and wastes labor.

[0004] Therefore, the present application designs a main beam force pipe welding device of an electric tricycle to solve the above problems. SUMMARY

[0005] The purpose of the embodiment of the present application is to provide a main beam force pipe welding device of an electric tricycle, which aims to solve the technical problems of the prior art mentioned in the background.

[0006] The embodiment of the present application is implemented as follows. A main beam force pipe welding device of an electric tricycle comprises:

[0007] A main body frame, which is provided with a mounting frame;

[0008] A positioning mechanism, which comprises two horizontal beam placing frames installed on the mounting frame for supporting the horizontal beam, a plurality of rotating balls are rotatably installed on the inner wall of each horizontal beam placing frame, eight limiting wheels are installed on the horizontal beam placing frame for positioning the horizontal beam, a plurality of vertical beam placing frames are installed on the mounting frame for supporting the vertical beam, adjacent vertical beam placing frames are connected through connecting plates, a plurality of rotating balls are rotatably installed on the inner wall of each vertical beam placing frame, and four limiting wheels are installed on the vertical beam placing frame for positioning the vertical beam, the limiting wheels are made of soft rubber material;

[0009] A pushing mechanism, which is used to drive the limiting wheels to clamp the horizontal beam;

[0010] A turnover mechanism, which is used to drive the horizontal beam to rotate through cooperation with the moving mechanism;

[0011] Clamping mechanism: for driving the vertical beam clamping limit wheel;

[0012] Revolution mechanism: for driving the horizontal beam placing frame and the vertical beam placing frame revolution.

[0013] Further, the pushing mechanism comprises four thrust plates installed on the horizontal beam placing frame, the surface of each thrust plate is fixedly installed with an extrusion spring, one end of the extrusion spring away from the thrust plate is connected with a cross push plate, the cross push plate is slidably connected with the turnover mechanism, the surface of the cross push plate is fixedly installed with a linkage rod, the linkage rod penetrates through the turnover mechanism and is slidably connected with the turnover mechanism, four track plates are installed on the mounting frame, the surface of each track plate is sequentially and smoothly provided with an outer slide, an inclined slide and an inner slide matched with the linkage rod, the surface of the cross push plate is fixedly installed with two extrusion plates, each extrusion plate is slidably connected with the horizontal beam placing frame, the surface of the extrusion plate is provided with a smooth trapezoidal track matched with a pressure rod, the pressure rod penetrates through the horizontal beam placing frame and is slidably connected with the horizontal beam placing frame, the surface of the pressure rod is fixedly installed with a linkage sliding block, the linkage sliding block is connected with the surface of the horizontal beam placing frame through a tensile spring, the linkage sliding block is slidably connected with the horizontal beam placing frame, the surface of the linkage sliding block is rotatably installed with the horizontal beam placing frame, and the cross push plate and the horizontal beam placing frame are connected through a return spring.

[0014] Further, the turnover mechanism comprises two turnover connecting rods fixedly connected with the inner wall of the horizontal beam placing frame, each turnover connecting rod penetrates through the revolution mechanism and is rotatably connected with the revolution mechanism, the surface of the turnover connecting rod is rotatably installed with a moving sliding block, the surface of the turnover connecting rod is coaxially fixedly installed with a rotating cylinder, the cross push plate is slidably connected with the turnover connecting rod, the linkage rod penetrates through the turnover connecting rod and is slidably connected with the turnover connecting rod, the inner wall of the rotating cylinder is provided with sequentially and smoothly connected positioning slides, spiral slides and fitting slides, the surface of the linkage rod is fixedly installed with sliding column heads matched with the positioning slides, the spiral slides and the fitting slides, and the moving sliding block is slidably connected with the revolution mechanism.

[0015] Further, the moving mechanism comprises a moving slide column fixedly installed on the moving sliding block, and further comprises two near-center circular plates installed on the mounting frame, the surface of the near-center circular plate is provided with a near-center slide matched with the moving slide column, the near-center circular plate is rotatably connected with the revolution mechanism, the surface of the near-center circular plate is fixedly installed with two connecting columns, one end of the connecting column away from the near-center circular plate is connected with a driving disc, the driving disc is connected with the output end of a driving motor, the driving motor is fixedly installed on the revolution mechanism, and the output end of the driving motor penetrates through the revolution mechanism and is rotatably connected with the revolution mechanism.

[0016] Further, the clamping mechanism comprises a clamping motor fixedly installed on the revolving mechanism, the output end of the clamping motor penetrates through the revolving mechanism and is rotationally connected with the revolving mechanism, the output end of the clamping motor is fixedly installed with a rotating gear plate, the rotating gear plate is engaged with a rotating gear, the surface of the rotating gear is coaxially fixedly installed with a rotating screw rod, the rotating screw rod and a screw rod sliding block form a screw pair transmission, the screw threads of the rotating screw rods on the two sides of the vertical beam placing frame are in opposite directions, the surface of the screw rod sliding block is rotationally installed with two limiting wheels, the first end and the last end of the vertical beam placing frame connected through the straight line plate are fixedly installed with two gravity sliding rods, the revolving mechanism is provided with vertical grooves matched with the gravity sliding rods, the surface of the gravity sliding rod is rotationally installed with a gravity rotating block, and the surface of the gravity rotating block is fixedly installed with a counterweight.

[0017] Further, the revolving mechanism comprises two revolving motors fixedly installed on the mounting frame, the output end of each revolving motor penetrates through the mounting frame and is rotationally connected with the mounting frame, the output end of the revolving motor is fixedly installed with a driving gear, the driving gear is engaged with a revolving gear plate, the revolving gear plate is rotationally connected with the mounting frame, the surface of the revolving gear plate is fixedly installed with a right-angle plate, the revolving gear plate is provided with horizontal grooves matched with the overturning connecting rods, each overturning connecting rod penetrates through the revolving gear plate and is rotationally connected with the revolving gear plate, the moving sliding block is slidingly connected with the revolving gear plate, the output end of the driving motor penetrates through the revolving gear plate and is rotationally connected with the revolving gear plate, the surface of the revolving gear plate is fixedly installed with a clamping motor, the output end of the clamping motor penetrates through the revolving gear plate and is rotationally connected with the revolving gear plate, and the revolving gear plate is provided with vertical grooves matched with the gravity sliding rods.

[0018] Further, the cooperating end of the smooth trapezoidal track on the pressure rod and the extrusion plate is provided with a ball, the cooperating end of the sliding column head and the positioning slide, the spiral slide and the abutting slide is also provided with a ball, the cooperating end of the linkage rod and the outer slide, the inclined slide and the inner slide is provided with a ball, and the cooperating end of the moving sliding column and the near-center slide is also provided with a ball.

[0019] Compared with the prior art, the present application has the following beneficial effects:

[0020] 1、The driving action of the moving mechanism drives the symmetrical two vertical beam placing frames to move horizontally towards each other, the action of the pushing mechanism and the vertical beam placing frame cooperate to quickly position the vertical beam on the vertical beam placing frame, so as to achieve the purpose of automatically positioning the vertical beam.

[0021] 2、The application drives the cross beam placing frame to rotate ninety degrees through the cooperation of the pushing mechanism and the turnover mechanism, and limits the vertical beam through the action of the clamping mechanism while the cross beam placing frame is rotating, at this time, the two cross beam placing frames continue to move towards each other under the continuous driving of the moving mechanism, and the vertical beam is centered and positioned due to the relative extrusion of the top surfaces of the two cross beams, so that the cooperation of the vertical beam and the cross beam is completed, and the cooperation position is suspended, which is convenient for the external welding equipment to cooperate and weld the vertical beam and the cross beam. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 A structure schematic view of a main beam force pipe welding equipment of an electric tricycle provided by the embodiment of the application is shown in the figure.

[0023] Figure 2 The application Figure 1 provides an enlarged structure schematic view of A.

[0024] Figure 3 A sectional structure schematic view of the main beam force pipe welding equipment of the electric tricycle is shown in the figure.

[0025] Figure 4 The application Figure 3 provides an enlarged structure schematic view of B.

[0026] Figure 5 Another sectional structure schematic view of the main beam force pipe welding equipment of the electric tricycle is shown in the figure.

[0027] Figure 6 The application Figure 5 provides an enlarged structure schematic view of C.

[0028] Figure 7 Still another sectional structure schematic view of the main beam force pipe welding equipment of the electric tricycle is shown in the figure.

[0029] Figure 8 The application Figure 7 provides an enlarged structure schematic view of D.

[0030] Figure 9 An exploded structure schematic view of part of the main beam force pipe welding equipment of the electric tricycle is shown in the figure.

[0031] Figure 10 The application Figure 9 provides an enlarged structure schematic view of E.

[0032] Figure 11 The application Figure 9 provides an enlarged structure schematic view of F.

[0033] Figure 12 The application Figure 9 provides an enlarged structure schematic view of G.

[0034] In the drawings: 1, main frame; 101, mounting frame; 2, positioning mechanism; 201, crossbeam placing frame; 202, limiting wheel; 203, vertical beam placing frame; 3, pushing mechanism; 301, thrust plate; 302, extrusion spring; 303, cross push plate; 304, linkage rod; 305, track plate; 306, outer slide; 307, inclined slide; 308, inner slide; 309, extrusion plate; 310, pressure rod; 311, linkage slider; 312, tension spring; 4, turnover mechanism; 401, turnover link; 402, moving slider; 403, rotating cylinder; 404, positioning slide; 405, spiral slide; 406, fitting slide; 407, sliding column head; 5, moving mechanism; 501, moving slide; 502, near-center circular plate; 503, near-center slide; 504, connecting column; 505, driving turntable; 506, driving motor; 6, clamping mechanism; 601, clamping motor; 602, rotating toothed disc; 603, rotating gear; 604, rotating screw; 605, screw slide; 606, gravity slide rod; 607, gravity rotating block; 608, counterweight; 7, revolution mechanism; 701, revolution motor; 702, driving gear; 703, revolution toothed disc; 704, right-angle plate. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application is further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application, and are not used to limit the present application.

[0036] It can be understood that the terms "first", "second", etc. used in the present application can be used herein to describe various elements, but unless specifically stated, these elements are not limited by these terms. These terms are only used to distinguish the first element from another element.

[0037] As Figure 1 , Figure 4 , Figure 6 , Figure 7 , Figure 8 , Figure 9 , Figure 10 and Figure 12 indicate that in one embodiment, a main beam force pipe welding device of an electric tricycle is proposed, which comprises:

[0038] Main frame 1: mounting frame 101 is arranged thereon;

[0039] Positioning mechanism 2: including two beam placing frames 201 installed on the mounting frame 101 for supporting the cross beam, the inner wall of each beam placing frame 201 is rotatably installed with a plurality of rotating balls, further comprising eight limiting wheels 202 installed on the beam placing frame 201 for positioning the cross beam, further comprising a plurality of vertical beam placing frames 203 installed on the mounting frame 101 for supporting the vertical beam, adjacent vertical beam placing frames 203 are connected through connecting plates, the inner wall of each vertical beam placing frame 203 is rotatably installed with a plurality of rotating balls, and four limiting wheels 202 are installed on the vertical beam placing frame 203 for positioning the vertical beam, the limiting wheels 202 are made of soft rubber material;

[0040] Pushing mechanism 3: for clamping the cross beam by the limiting wheel 202;

[0041] Turnover mechanism 4: for rotating the cross beam by cooperating with the moving mechanism 5;

[0042] Clamping mechanism 6: for clamping the vertical beam by the limiting wheel 202;

[0043] Revolution mechanism 7: for revolution of the beam placing frame 201 and the vertical beam placing frame 203.

[0044] In actual application, as shown in Figure 1 When the cross beam and the vertical beam are welded, at this time, the two cross beams are placed on the beam placing frame 201 by the external grabbing device, and a plurality of vertical beams are placed on the vertical beam placing frame 203, as shown in Figure 9 and Figure 10 At this time, the symmetrical two beam placing frames 201 are driven to move horizontally by the driving action of the moving mechanism 5, as shown in Figure 4 and Figure 6 The cross beam is quickly positioned on the beam placing frame 201 by the action of the pushing mechanism 3 and the cooperation of the beam placing frame 201, so as to achieve the purpose of automatically positioning the cross beam, it should be noted that the rotating balls arranged on the beam placing frame 201 and the vertical beam placing frame 203 can avoid scratches on the cross beam and the vertical beam during positioning, when the cross beam positioning is completed, as shown in Figure 6 At this time, the beam placing frame 201 is rotated by ninety degrees by the cooperation of the pushing mechanism 3 and the turnover mechanism 4, as shown in Figure 8As shown, and the horizontal beam placement frame 201 is rotated by the action of the clamping mechanism 6 to limit the vertical beam, it should be noted that the limiting clamping force of the horizontal beam and the vertical beam does not need to be too large, to avoid affecting the later blanking operation, at this time, with the continuous driving of the moving mechanism 5, the two horizontal beam placement frames 201 continue to move towards each other, and at the same time, due to the relative extrusion of the top surfaces of the two horizontal beams to the vertical beam, the vertical beam is centered and positioned, the cooperation of the horizontal beam and the vertical beam is completed, and the cooperation position is suspended, which is convenient for the external welding equipment to cooperate and weld the vertical beam and the horizontal beam. When the welding of one side of the horizontal beam and the vertical beam is completed, as shown, Figure 7 At this time, the horizontal beam placement frame 201 and the vertical beam placement frame 203 are driven to revolve by the driving of the revolution mechanism 7. Due to the advantage of suspended cooperation, the other side of the horizontal beam and the vertical beam is welded by the welding equipment, so as to achieve the purpose of automatic suspended cooperation for welding. When the welding is completed, the moving mechanism 5 and the clamping mechanism 6 are reset at this time. Since the horizontal beam and the vertical beam welded are fixed, the moving mechanism 5 and the clamping mechanism 6 are reset to separate the horizontal beam placement frame 201 and the vertical beam placement frame 203, so as to be discharged under the action of gravity, so as to achieve the purpose of rapid discharging. At the same time, due to the symmetrical structure of the horizontal beam placement frame 201 and the vertical beam placement frame 203, as shown, Figure 12 The position of the vertical beam placement frame 203 is adjusted under the action of the clamping mechanism 6, so that the horizontal beam and the vertical beam can be welded in a cycle.

[0045] As shown, Figure 2 , Figure 3 , Figure 4 and Figure 6As shown, as a preferred embodiment of the present application, the pushing mechanism 3 comprises four thrust plates 301 mounted on the beam placing frame 201, the surface of each thrust plate 301 is fixedly provided with an extrusion spring 302, one end of the extrusion spring 302 away from the thrust plate 301 is connected with a cross push plate 303, the cross push plate 303 is slidingly connected with the overturning mechanism 4, the surface of the cross push plate 303 is fixedly provided with a linkage rod 304, the linkage rod 304 penetrates through the overturning mechanism 4 and is slidingly connected with the overturning mechanism 4, four track plates 305 are mounted on the mounting frame 101, the surface of each track plate 305 is sequentially and smoothly provided with an outer slide 306, an inclined slide 307 and an inner slide 308 matched with the linkage rod 304, the surface of the cross push plate 303 is fixedly provided with two extrusion plates 309, each extrusion plate 309 is slidingly connected with the beam placing frame 201, the surface of the extrusion plate 309 is provided with a smooth trapezoidal track matched with a pressure receiving rod 310, the pressure receiving rod 310 penetrates through the beam placing frame 201 and is slidingly connected with the beam placing frame 201, the surface of the pressure receiving rod 310 is fixedly provided with a linkage sliding block 311, the linkage sliding block 311 is connected with the surface of the beam placing frame 201 through a tensile spring 312, the linkage sliding block 311 is slidingly connected with the beam placing frame 201, the surface of the linkage sliding block 311 is rotatably provided with the beam placing frame 201, the cross push plate 303 and the beam placing frame 201 are connected through a reset spring.

[0046] When the moving mechanism 5 starts to run, the linkage rod 304 is driven by the overturning mechanism 4 to move horizontally, as shown in Figure 6 The linkage rod 304 moves from the outer slide 306 to the inclined slide 307, and the linkage rod 304 is driven to move along the central axis of the linkage rod 304 to the position of the beam placing frame 201 through the track of the inclined slide 307, thereby driving the cross push plates 303 at both ends of the beam placing frame 201 to move towards each other, and the movement of the cross push plates 303 is used to centrally position the beam through the thrust plates 301, as shown in Figure 2 At the same time, the cross push plates 303 drive the symmetrically arranged extrusion plates 309 to move towards each other, as shown in Figure 4 And the extrusion plates 309 drive the pressure receiving rod 310 to move towards the beam along the central axis of the pressure receiving rod 310, thereby clamping and positioning the beam from left to right.

[0047] As shown in Figure 5 , Figure 6 and Figure 11As shown in the drawings, as another preferred embodiment of the present application, the turnover mechanism 4 comprises two turnover connecting rods 401 fixedly connected with the inner wall of the beam placing frame 201, each of the turnover connecting rods 401 penetrates through and is rotationally connected with the revolution mechanism 7, the surface of the turnover connecting rod 401 is rotationally installed with a moving sliding block 402, the surface of the turnover connecting rod 401 is coaxially fixedly installed with a rotating cylinder 403, the cross push plate 303 is slidingly connected with the turnover connecting rod 401, the linkage rod 304 penetrates through and is slidingly connected with the turnover connecting rod 401, the inner wall of the rotating cylinder 403 is provided with a positioning slide 404, a spiral slide 405 and a fitting slide 406 which are sequentially and smoothly connected, the surface of the linkage rod 304 is fixedly installed with a sliding column head 407 matched with the positioning slide 404, the spiral slide 405 and the fitting slide 406, and the moving sliding block 402 is slidingly connected with the revolution mechanism 7.

[0048] As shown in the drawings, as another preferred embodiment of the present application, the turnover mechanism 4 comprises two turnover connecting rods 401 fixedly connected with the inner wall of the beam placing frame 201, each of the turnover connecting rods 401 penetrates through and is rotationally connected with the revolution mechanism 7, the surface of the turnover connecting rod 401 is rotationally installed with a moving sliding block 402, the surface of the turnover connecting rod 401 is coaxially fixedly installed with a rotating cylinder 403, the cross push plate 303 is slidingly connected with the turnover connecting rod 401, the linkage rod 304 penetrates through and is slidingly connected with the turnover connecting rod 401, the inner wall of the rotating cylinder 403 is provided with a positioning slide 404, a spiral slide 405 and a fitting slide 406 which are sequentially and smoothly connected, the surface of the linkage rod 304 is fixedly installed with a sliding column head 407 matched with the positioning slide 404, the spiral slide 405 and the fitting slide 406, and the moving sliding block 402 is slidingly connected with the revolution mechanism 7. Figure 6 and Figure 11 As shown in the drawings, as another preferred embodiment of the present application, the turnover mechanism 4 comprises two turnover connecting rods 401 fixedly connected with the inner wall of the beam placing frame 201, each of the turnover connecting rods 401 penetrates through and is rotationally connected with the revolution mechanism 7, the surface of the turnover connecting rod 401 is rotationally installed with a moving sliding block 402, the surface of the turnover connecting rod 401 is coaxially fixedly installed with a rotating cylinder 403, the cross push plate 303 is slidingly connected with the turnover connecting rod 401, the linkage rod 304 penetrates through and is slidingly connected with the turnover connecting rod 401, the inner wall of the rotating cylinder 403 is provided with a positioning slide 404, a spiral slide 405 and a fitting slide 406 which are sequentially and smoothly connected, the surface of the linkage rod 304 is fixedly installed with a sliding column head 407 matched with the positioning slide 404, the spiral slide 405 and the fitting slide 406, and the moving sliding block 402 is slidingly connected with the revolution mechanism 7. Figure 5 As shown in the drawings, as another preferred embodiment of the present application, the turnover mechanism 4 comprises two turnover connecting rods 401 fixedly connected with the inner wall of the beam placing frame 201, each of the turnover connecting rods 401 penetrates through and is rotationally connected with the revolution mechanism 7, the surface of the turnover connecting rod 401 is rotationally installed with a moving sliding block 402, the surface of the turnover connecting rod 401 is coaxially fixedly installed with a rotating cylinder 403, the cross push plate 303 is slidingly connected with the turnover connecting rod 401, the linkage rod 304 penetrates through and is slidingly connected with the turnover connecting rod 401, the inner wall of the rotating cylinder 403 is provided with a positioning slide 404, a spiral slide 405 and a fitting slide 406 which are sequentially and smoothly connected, the surface of the linkage rod 304 is fixedly installed with a sliding column head 407 matched with the positioning slide 404, the spiral slide 405 and the fitting slide 406, and the moving sliding block 402 is slidingly connected with the revolution mechanism 7.

[0049] As shown in the drawings, as another preferred embodiment of the present application, the turnover mechanism 4 comprises two turnover connecting rods 401 fixedly connected with the inner wall of the beam placing frame 201, each of the turnover connecting rods 401 penetrates through and is rotationally connected with the revolution mechanism 7, the surface of the turnover connecting rod 401 is rotationally installed with a moving sliding block 402, the surface of the turnover connecting rod 401 is coaxially fixedly installed with a rotating cylinder 403, the cross push plate 303 is slidingly connected with the turnover connecting rod 401, the linkage rod 304 penetrates through and is slidingly connected with the turnover connecting rod 401, the inner wall of the rotating cylinder 403 is provided with a positioning slide 404, a spiral slide 405 and a fitting slide 406 which are sequentially and smoothly connected, the surface of the linkage rod 304 is fixedly installed with a sliding column head 407 matched with the positioning slide 404, the spiral slide 405 and the fitting slide 406, and the moving sliding block 402 is slidingly connected with the revolution mechanism 7. Figure 7 , Figure 9 and Figure 10 As shown in the drawings, as another preferred embodiment of the present application, the turnover mechanism 4 comprises two turnover connecting rods 401 fixedly connected with the inner wall of the beam placing frame 201, each of the turnover connecting rods 401 penetrates through and is rotationally connected with the revolution mechanism 7, the surface of the turnover connecting rod 401 is rotationally installed with a moving sliding block 402, the surface of the turnover connecting rod 401 is coaxially fixedly installed with a rotating cylinder 403, the cross push plate 303 is slidingly connected with the turnover connecting rod 401, the linkage rod 304 penetrates through and is slidingly connected with the turnover connecting rod 401, the inner wall of the rotating cylinder 403 is provided with a positioning slide 404, a spiral slide 405 and a fitting slide 406 which are sequentially and smoothly connected, the surface of the linkage rod 304 is fixedly installed with a sliding column head 407 matched with the positioning slide 404, the spiral slide 405 and the fitting slide 406, and the moving sliding block 402 is slidingly connected with the revolution mechanism 7.

[0050] As shown in the drawings, as another preferred embodiment of the present application, the turnover mechanism 4 comprises two turnover connecting rods 401 fixedly connected with the inner wall of the beam placing frame 201, each of the turnover connecting rods 401 penetrates through and is rotationally connected with the revolution mechanism 7, the surface of the turnover connecting rod 401 is rotationally installed with a moving sliding block 402, the surface of the turnover connecting rod 401 is coaxially fixedly installed with a rotating cylinder 403, the cross push plate 303 is slidingly connected with the turnover connecting rod 401, the linkage rod 304 penetrates through and is slidingly connected with the turnover connecting rod 401, the inner wall of the rotating cylinder 403 is provided with a positioning slide 404, a spiral slide 405 and a fitting slide 406 which are sequentially and smoothly connected, the surface of the linkage rod 304 is fixedly installed with a sliding column head 407 matched with the positioning slide 404, the spiral slide 405 and the fitting slide 406, and the moving sliding block 402 is slidingly connected with the revolution mechanism 7. Figure 7 and Figure 9As shown, at this time the driving motor 506 starts to run, the running of the driving motor 506 drives the main driving disc 505 to rotate, and then drives the near concentric plate 502 to rotate through the connecting column 504, as shown in the figure Figure 10 As shown, the rotation of the near concentric plate 502 drives the moving slide column 501 to move horizontally and linearly through the cooperation of the near concentric slide 503 and the moving slide column 501, and then drives the pushing mechanism 3 and the cross beam placing frame 201 to move horizontally through the moving slide block 402, so as to complete the clamping and limiting of the cross beam and the overturning operation.

[0051] As shown in the figure Figure 8 and Figure 12 As shown in the figure, as another preferred embodiment of the application, the clamping mechanism 6 comprises a clamping motor 601 fixedly installed on the revolving mechanism 7, the output end of the clamping motor 601 penetrates through the revolving mechanism 7 and is rotationally connected with the revolving mechanism 7, the output end of the clamping motor 601 is fixedly installed with a rotating gear disc 602, the rotating gear disc 602 is engaged with a rotating gear 603, the surface of the rotating gear 603 is coaxially fixedly installed with a rotating lead screw 604, the rotating lead screw 604 forms a screw pair transmission with a screw rod slide block 605, the screw threads of the rotating lead screws 604 on the two sides of the same vertical beam placing frame 203 are opposite in screw direction, the surface of the screw rod slide block 605 is rotationally installed with two limiting wheels 202, the first end and the last end of the vertical beam placing frame 203 connected through the linear plate are fixedly installed with two gravity slide rods 606, the revolving mechanism 7 is provided with a vertical slot matched with the gravity slide rod 606, the surface of the gravity slide rod 606 is rotationally installed with a gravity rotating block 607, and the surface of the gravity rotating block 607 is fixedly installed with a counterweight 608.

[0052] In actual application, when the horizontal overturning operation is performed, as shown in the figure Figure 8 As shown, at this time the running of the clamping motor 601 drives the rotating gear disc 602 to rotate, the rotation of the rotating gear disc 602 drives the rotating gear disc 602 to rotate through the engagement with the rotating gear 603, and then drives the rotating lead screw 604 to rotate, through the screw pair transmission, the rotating lead screw 604 drives the screw rod slide blocks 605 on the two sides of the vertical beam placing frame 203 to move towards each other, so as to complete the front and rear clamping and limiting of the vertical beam, as shown in the figure Figure 12 As shown, at this time the gravity of the counterweight 608 drives the gravity rotating block 607 to rotate one hundred and eighty degrees, after the welding and blanking are completed, the gravity of the counterweight 608 drives the other side of the vertical beam placing frame 203 to return to the initial state of the vertical beam placing frame 203, so as to facilitate the purpose of circulating feeding on the vertical beam placing frame 203.

[0053] As shown in the figure Figure 7As shown in the drawings, as another preferred embodiment of the present application, the revolution mechanism 7 comprises two revolution motors 701 fixedly installed on the mounting frame 101, the output end of each revolution motor 701 penetrates through and is rotationally connected with the mounting frame 101, the output end of the revolution motor 701 is fixedly installed with a driving gear 702, the driving gear 702 is engaged with a revolution gear plate 703, the revolution gear plate 703 is rotationally connected with the mounting frame 101, the surface of the revolution gear plate 703 is fixedly installed with a right-angle plate 704, the revolution gear plate 703 is provided with a horizontal slot matched with the turnover connecting rod 401, each turnover connecting rod 401 penetrates through and is rotationally connected with the revolution gear plate 703, the moving sliding block 402 is slidingly connected with the revolution gear plate 703, the output end of the driving motor 506 penetrates through and is rotationally connected with the revolution gear plate 703, the surface of the revolution gear plate 703 is fixedly installed with a clamping motor 601, the output end of the clamping motor 601 penetrates through and is rotationally connected with the revolution gear plate 703, and the revolution gear plate 703 is provided with a vertical slot matched with the gravity sliding rod 606.

[0054] When the welding of one side of the horizontal beam and the vertical beam is completed, the revolution motor 701 starts to operate, the operation of the revolution motor 701 drives the driving gear 702 to rotate, and then the revolution gear plate 703 is driven to rotate through the gear and gear plate engagement, and the rotation of the revolution gear plate 703 drives the horizontal beam and the vertical beam to overturn, so that the automatic overturning is achieved, and the welding of the other side of the horizontal beam and the vertical beam is facilitated.

[0055] As shown in the drawings, Figure 4 , Figure 6 and Figure 10 As another preferred embodiment of the present application, the matched end of the smooth trapezoidal track on the pressure rod 310 and the extrusion plate 309 is provided with a ball, the matched end of the sliding column head 407 and the positioning slide 404, the spiral slide 405 and the abutting slide 406 is also provided with a ball, the matched end of the linkage rod 304 and the outer slide 306, the inclined slide 307 and the inner slide 308 is provided with a ball, and the matched end of the moving sliding column 501 and the near-center slide 503 is also provided with a ball.

[0056] As shown in the drawings, Figure 4 , Figure 6 and Figure 10 In actual application, the balls arranged on the pressure rod 310, the sliding column head 407, the linkage rod 304 and the moving sliding column 501 convert the sliding friction in motion into rolling friction, so that the stability and service life of the mechanism motion are improved.

[0057] Any technical features in the above-described embodiments can be combined in any manner, and for the sake of brevity, not all possible combinations are described, but it is understood that the scope of the present specification includes all possible combinations.

[0058] The above-described embodiments only express several implementation manners of the present application, and the description is relatively specific and detailed, but should not be understood as a limitation on the patent scope of the present application. It should be noted that, for those skilled in the art, some modifications and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.

[0059] The above-described embodiments only express several implementation manners of the present application, and the description is relatively specific and detailed, but should not be understood as a limitation on the patent scope of the present application. It should be noted that, for those skilled in the art, some modifications and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims. The above-described embodiments only express several implementation manners of the present application, and the description is relatively specific and detailed, but should not be understood as a limitation on the patent scope of the present application. It should be noted that, for those skilled in the art, some modifications and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. A welding device for the main beam force tube of an electric tricycle, characterized in that, The device includes: Main frame (1): It is equipped with an installation frame (101); Positioning mechanism (2): includes two beam placement frames (201) installed on the mounting frame (101) for supporting the beam, each beam placement frame (201) has multiple rotating balls rotatably installed on its inner wall, and also includes eight limiting wheels (202) installed on the beam placement frame (201) for positioning the beam, and also includes multiple vertical beam placement frames (203) installed on the mounting frame (101) for supporting the vertical beam, adjacent vertical beam placement frames (203) are connected by connecting plates, each vertical beam placement frame (203) has multiple rotating balls rotatably installed on its inner wall, and also includes four limiting wheels (202) installed on the vertical beam placement frame (203) for positioning the vertical beam, the limiting wheels (202) being made of soft rubber; Propulsion mechanism (3): used to drive the limit wheel (202) to clamp the crossbeam; Tilting mechanism (4): Drives the crossbeam to rotate by cooperating with the moving mechanism (5); Clamping mechanism (6): used to drive the limit wheel (202) to clamp the vertical beam; Revolutionary mechanism (7): used to drive the horizontal beam placement frame (201) and the vertical beam placement frame (203) to revolve.

2. The main beam welding equipment for an electric tricycle according to claim 1, characterized in that, The pushing mechanism (3) includes four push plates (301) mounted on the crossbeam placement frame (201). Each push plate (301) has a compression spring (302) fixedly mounted on its surface. The end of the compression spring (302) away from the push plate (301) is connected to a cross push plate (303). The cross push plate (303) is slidably connected to the flipping mechanism (4). A linkage rod (304) is fixedly mounted on the surface of the cross push plate (303). The linkage rod (304) passes through the flipping mechanism (4) and is slidably connected to the flipping mechanism (4). Four track plates (305) are mounted on the mounting frame (101). The surface of each track plate (305) is sequentially and smoothly provided with an outer slide rail (306), an inclined slide rail (307), and an inner slide rail (308) that cooperate with the linkage rod (304). Two extrusion plates (309) are fixedly installed on the surface of (303). Each extrusion plate (309) is slidably connected to the crossbeam placement frame (201). The surface of the extrusion plate (309) is provided with a smooth trapezoidal trajectory that cooperates with the pressure rod (310). The pressure rod (310) passes through the crossbeam placement frame (201) and is slidably connected to the crossbeam placement frame (201). A linkage slider (311) is fixedly installed on the surface of the pressure rod (310). The linkage slider (311) is connected to the surface of the crossbeam placement frame (201) through a tension spring (312). The linkage slider (311) is slidably connected to the crossbeam placement frame (201). The crossbeam placement frame (201) is rotatably installed on the surface of the linkage slider (311). The cross push plate (303) is connected to the crossbeam placement frame (201) through a return spring.

3. The main beam welding equipment for an electric tricycle according to claim 2, characterized in that, The flipping mechanism (4) includes two flipping links (401) fixedly connected to the inner wall of the beam placement frame (201). Each flipping link (401) passes through the revolution mechanism (7) and is rotatably connected to the revolution mechanism (7). A movable slider (402) is rotatably mounted on the surface of the flipping link (401). A rotating cylinder (403) is coaxially fixedly mounted on the surface of the flipping link (401). A cross push plate (303) is slidably connected to the flipping link (401). A linkage rod (304) is also included. The rotating cylinder (403) has a positioning slide (404), a spiral slide (405), and a fitting slide (406) that are connected in sequence and smoothly through the flipping link (401) and are slidably connected to the flipping link (401). The surface of the linkage rod (304) is fixedly installed with a sliding column head (407) that cooperates with the positioning slide (404), the spiral slide (405), and the fitting slide (406). The moving slider (402) is slidably connected to the revolution mechanism (7).

4. The main beam welding equipment for an electric tricycle according to claim 3, characterized in that, The moving mechanism (5) includes a movable slide column (501) fixedly installed on the movable slider (402), and two proximal circular plates (502) installed on the mounting frame (101). The surface of the proximal circular plate (502) is provided with a proximal slide rail (503) that cooperates with the movable slide column (501). The proximal circular plate (502) is rotatably connected to the revolution mechanism (7). Two connecting columns (504) are fixedly installed on the surface of the proximal circular plate (502). The end of the connecting column (504) away from the proximal circular plate (502) is connected to the active turntable (505). The active turntable (505) is connected to the output end of the drive motor (506). The drive motor (506) is fixedly installed on the revolution mechanism (7). The output end of the drive motor (506) passes through the revolution mechanism (7) and is rotatably connected to the revolution mechanism (7).

5. The main beam welding equipment for an electric tricycle according to claim 4, characterized in that, The clamping mechanism (6) includes a clamping motor (601) fixedly mounted on the revolution mechanism (7). The output end of the clamping motor (601) passes through the revolution mechanism (7) and is rotatably connected to it. A rotating gear disk (602) is fixedly mounted on the output end of the clamping motor (601). The rotating gear disk (602) meshes with a rotating gear (603). A rotating lead screw (604) is coaxially fixedly mounted on the surface of the rotating gear (603). The rotating lead screw (604) and the lead screw slider (605) form a helical pair transmission and are on the same vertical beam. The spiral threads of the rotating screws (604) on both sides of the placement frame (203) are opposite in direction. Two limit wheels (202) are rotatably mounted on the surface of the screw slider (605). Two gravity slides (606) are fixedly mounted at both ends of the vertical beam placement frame (203) connected by a straight plate. A vertical groove that cooperates with the gravity slide (606) is opened on the revolution mechanism (7). A gravity rotating block (607) is rotatably mounted on the surface of the gravity slide (606). A counterweight (608) is fixedly mounted on the surface of the gravity rotating block (607).

6. The main beam welding equipment for an electric tricycle according to claim 5, characterized in that, The revolution mechanism (7) includes two revolution motors (701) fixedly mounted on the mounting frame (101). The output end of each revolution motor (701) passes through the mounting frame (101) and is rotatably connected to the mounting frame (101). A drive gear (702) is fixedly mounted on the output end of the revolution motor (701). The drive gear (702) meshes with a revolution gear disk (703). The revolution gear disk (703) is rotatably connected to the mounting frame (101). A right-angle plate (704) is fixedly mounted on the surface of the revolution gear disk (703). A mechanism for cooperating with the flipping connecting rod (401) is provided on the revolution gear disk (703). A horizontal groove is provided. Each flipping link (401) passes through the rotating gear disk (703) and is rotatably connected to the rotating gear disk (703). The moving slider (402) is slidably connected to the rotating gear disk (703). The output end of the drive motor (506) passes through the rotating gear disk (703) and is rotatably connected to the rotating gear disk (703). A clamping motor (601) is fixedly installed on the surface of the rotating gear disk (703). The output end of the clamping motor (601) passes through the rotating gear disk (703) and is rotatably connected to the rotating gear disk (703). A vertical groove is provided on the rotating gear disk (703) to cooperate with the gravity slide bar (606).

7. The main beam welding equipment for an electric tricycle according to claim 4, characterized in that, The end of the pressure rod (310) that mates with the smooth trapezoidal trajectory on the extrusion plate (309) is provided with ball bearings. The end of the sliding column head (407) that mates with the positioning slide (404), the spiral slide (405), and the fitting slide (406) is also provided with ball bearings. The end of the linkage rod (304) that mates with the outer slide (306), the inclined slide (307), and the inner slide (308) is provided with ball bearings. The end of the moving slide column (501) that mates with the proximal slide (503) is also provided with ball bearings.

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