Electric bicycle frame welding equipment

Abstract

The invention discloses electric bicycle frame welding equipment, which belongs to the technical field of frame welding and comprises a conveying line, a second frame butt joint mechanism, a component butt joint mechanism and a welding robot which are mounted on a base station. A carrying table is fixedly installed at the output end of the conveying line, and a first carrying plate is fixedly installed on the carrying table through bolts. The second vehicle frame butt joint mechanism comprises a transferring module, a second carrier plate and a carrier plate butt joint module, the transferring module is installed on the base table, the second carrier plate used for positioning and supporting a second vehicle frame is installed on the transferring module, and the carrier plate butt joint module is installed on the second carrier plate and the first carrier plate; the component butt joint mechanism comprises a supporting frame, a feeding module, a positioning module and a loading module. The multiple supporting frames are fixedly installed on the base table, the feeding module and the positioning module are installed on the supporting frames, and the feeding module is installed on the positioning module. Through the mode, the first frame is quickly positioned; and the welding component is accurately aligned with the handlebar connecting pipe.

Description

Technical Field

[0001] The invention relates to the technical field of frame welding, and in particular to an electric bicycle frame welding device. Background Art

[0002] The frame of an electric bicycle is composed of multiple components, which are assembled together through multiple welding processes. To facilitate welding, multiple components are welded into partial frames separately and then welded together. During this process, the components and the frame need to be positioned and combined, and then welded by a welding robot.

[0003] For example, Chinese patent CN221087758U discloses a frame welding tool for an electric bicycle, which is used to position and assemble the frame or components to be welded, and then welds the frame and components together through a welding robot.

[0004] However, the frame structure of an electric bicycle is relatively complex, and multiple welding processes are required during welding. In addition, the main structure of the frame is irregular and difficult to position quickly; some components are difficult to position accurately during welding.

[0005] Based on this, the present invention designs an electric bicycle frame welding device to solve the above problems. Summary of the invention

[0006] In view of the above-mentioned shortcomings of the prior art, the present invention provides an electric bicycle frame welding device.

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions:

[0008] An electric bicycle frame welding device comprises a conveyor line installed on a base, a second frame docking mechanism, a component docking mechanism and a welding robot; and also comprises a first carrier plate for limiting and supporting the first frame;

[0009] A carrier is fixedly installed at the output end of the conveyor line, and a first carrier is fixedly installed on the carrier by bolts; the second frame docking mechanism includes a transfer module, a second carrier and a carrier docking module, the transfer module is installed on the base, a second carrier for positioning and supporting the second frame is installed on the transfer module, and the carrier docking module is installed on the second carrier and the first carrier; a welding robot for welding the welding component, the first frame and the second frame is fixedly installed on the base;

[0010] The component docking mechanism comprises a support frame, a feeding module, a positioning module and a loading module; a plurality of support frames are fixedly mounted on a base, the feeding module and the positioning module are mounted on the support frame, and the loading module is mounted on the positioning module.

[0011] Furthermore, the first carrier plate is provided with a first conformal groove conforming to the first frame, and the first carrier plate is provided with a first positioning groove plugged into the carrier plate positioning pin; fixed positioning rods for positioning the fixing frame are symmetrically fixedly installed on the first carrier plate, and the fixed positioning rods are plugged into the fixing frame; a first fixing block and a fixing frame for pressing the first frame are fixedly installed on the first carrier plate by bolts.

[0012] Furthermore, the transfer module includes a feeding linear slide, a lifting linear slide, a support plate, a movable positioning pin, a rotating cylinder and a second fixed block. The feeding linear slide is fixedly mounted on the base, the lifting linear slide is fixedly mounted on the moving end of the feeding linear slide, and the supporting plate for supporting the second carrier is fixedly mounted on the moving end of the lifting linear slide; a plurality of movable positioning pins for positioning the second carrier are fixedly mounted on the support plate; the second carrier is plugged into the movable positioning pins; a rotating cylinder is fixedly mounted on the support plate; and the second fixed block for pressing the second carrier is fixedly mounted on the output end of the rotating cylinder.

[0013] Furthermore, the second carrier plate is provided with a second conformal groove conforming to the second frame, a frame positioning plate for positioning the second frame is fixedly mounted on the second carrier plate, a second positioning groove for positioning the welding rod is provided on the second carrier plate; a locking block for pressing the second frame is symmetrically rotatably mounted on the second carrier plate.

[0014] Furthermore, the carrier docking module includes an extension plate, a locking rod, a spring and a sliding rod; an extension plate for supporting the second carrier plate is fixedly installed on the first carrier plate; a connecting groove with the second carrier plate for limited sliding is provided on the extension plate; a locking rod is symmetrically installed on the extension plate for limited sliding; a sliding rod is fixedly installed on the lower side of the locking rod; the sliding rod is connected to the extension plate for limited sliding; a spring is provided on the outer sleeve of the sliding rod; one end of the spring is fixedly connected to the locking rod, and the other end of the spring is fixedly connected to the extension plate; a guide surface with which the second carrier plate slides in contact is provided on the outer side of the locking rod; a locking groove with which the locking rod is plugged is provided on the lower side of the second carrier plate.

[0015] Furthermore, the feeding module includes a material guide rack, a feeding cylinder, a feeding plate and a material storage rack. The material guide rack for guiding the welding components is fixedly installed on the support frame; the material storage rack is fixedly installed on the bottom of the material guide rack; a feeding trough is provided on the lower side of the material guide rack, and a conformal material storage trough is provided on the material storage rack; the feeding trough is aligned with the conformal material storage trough; a feeding cylinder is fixedly installed on the support frame, and a feeding plate for pushing the welding components is fixedly installed on the output end of the feeding cylinder; the feeding plate slides within the feeding trough within a limited position.

[0016] Furthermore, the positioning module includes a moving module and a clamping module, the moving module is installed on the supporting frame, and the clamping module is installed on the moving end of the moving module.

[0017] Furthermore, the moving module includes a yielding cylinder linear slide and a moving mounting plate. The yielding cylinder linear slide is fixedly mounted on the support frame, and the moving end of the yielding cylinder linear slide is fixedly mounted with the moving mounting plate.

[0018] Furthermore, the clamping module includes a floating spring, a guide telescopic rod, a floating mounting plate, a pneumatic clamp and a conformal positioning block, and two groups of pneumatic clamps are fixedly installed on the floating mounting plate; the output end of the pneumatic clamp is fixedly installed with a conformal positioning block for clamping the handlebar connecting pipe; two groups of feeding cylinders are respectively aligned with the upper and lower ends of the handlebar connecting pipe; multiple groups of floating connection components are installed between the floating mounting plate and the movable mounting plate; the floating connection component includes a floating spring and a guide telescopic rod, one end of the guide telescopic rod is fixedly connected to the movable mounting plate; the other end of the guide telescopic rod is fixedly connected to the floating mounting plate; a floating spring is provided on the outer side of the guide telescopic rod; and the two ends of the floating spring are respectively fixedly connected to the movable mounting plate and the floating mounting plate.

[0019] Furthermore, the loading module includes a positioning cylinder linear slide, a component positioning plate and a component positioning rod. The positioning cylinder linear slide is fixedly mounted on the floating mounting plate, and the component positioning plate is fixedly mounted on the output end of the positioning cylinder linear slide; a component positioning rod for plugging into the positioning edge groove is fixedly mounted on the component positioning plate; the driving cylinder of the positioning cylinder linear slide adopts a multi-stroke cylinder.

[0020] Compared with the prior art, the present invention has the following beneficial effects: 1. The first frame is mounted on the first carrier plate, and the first frame is supported and fixed by the first carrier plate; then the first carrier plate with the first frame mounted thereon is mounted on the platform; when performing subsequent welding, it is only necessary to remove the first carrier plate with the first frame mounted thereon from the platform and install it to the corresponding position of other processes; the first frame has an irregular shape and is not convenient for positioning, while the first carrier plate has a regular shape and is convenient for positioning; thus, by setting the first carrier plate, the first frame can be quickly positioned when performing welding of multiple groups of processes; the second frame is mounted on the second carrier plate, and the second frame is supported and positioned by the second carrier plate;

[0021] 2. During welding, the conveyor line drives the first carrier plate to move through the carrier, thereby driving the first frame on the first carrier plate to move, so that the body frame is aligned with the welding rod, and the handlebar connecting pipe is aligned with the docking groove on the feeding module; the transfer module drives the second carrier plate to move, thereby driving the second frame to move through the second carrier plate, so that the welding rod contacts the corresponding welding position on the body frame; the welding rod is welded to the body frame through the welding robot; then the second carrier plate is connected to the first carrier plate through the carrier plate docking module; the transfer module releases the lock on the second carrier plate and resets; Thereby, the second carrier plate maintains the positioning and support for the second frame; during this process, the feeding module transports the welding component to the position aligned with the handlebar connecting tube; the positioning module drives the loading module to move, so that the loading module is aligned with the welding component on the feeding module; at the same time, through the cooperation of the positioning module and the handlebar connecting tube, the relative position of the loading module and the handlebar connecting tube is made more precise; then the loading module drives the welding component on the feeding module to move, so that the docking groove and the handlebar connecting tube are accurately aligned, thereby improving the welding accuracy; the welding component and the handlebar connecting tube are welded together by the welding robot. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0023] Figure 1 A three-dimensional diagram of an electric bicycle frame welding device of the present invention;

[0024] Figure 2 It is a front view of an electric bicycle frame welding device of the present invention;

[0025] Figure 3 This is a three-dimensional diagram of an electric bicycle frame welding device of the present invention without a welding robot;

[0026] Figure 4 It is a schematic diagram of the structure of the first frame, the second frame and the welding component;

[0027] Figure 5 for Figure 3 The enlarged view of point A in the middle;

[0028] Figure 6 is a schematic diagram of the first carrier board and its connection structure;

[0029] Figure 7 is a schematic diagram of a locking rod and its connection structure;

[0030] Figure 8 Schematic diagram of the second carrier board and its connection structure.

[0031] The numbers in the figure represent:

[0032] 1. Conveyor line; 11. Carrier; 111. Carrier plate positioning pin; 2. First carrier; 21. First conformal groove; 22. Fixed positioning rod; 23. First fixed block; 24. Fixed frame; 25. First positioning groove; 3. Second frame docking mechanism; 31. Transfer module; 311. Feeding linear slide; 312. Lifting linear slide; 313. Support plate; 314. Moving positioning pin; 315. Rotating cylinder; 316. Second fixed block; 32. Second carrier; 321. Second conformal groove; 322. Frame positioning plate; 323. Second positioning groove; 324. Locking block; 33. Carrier plate docking module; 331. Extension plate; 332. Connecting groove; 333. Locking rod; 334. Spring; 335. Slide; 4. Welding robot; 5. Component docking mechanism; 51. Support frame; 52. Feeding module; 521. Guide frame; 522. Feeding trough; 523. Feeding cylinder; 524. Feeding plate; 525. Storage rack; 526. Conformal storage trough; 53. Positioning module; 531. Displacement cylinder linear slide; 532. Moving mounting plate; 533. Floating spring; 534. Guide telescopic rod; 535. Floating mounting plate; 536. Pneumatic clamp; 537. Conformal positioning block; 54. Loading module; 541. Positioning cylinder linear slide; 542. Component positioning plate; 543. Component positioning rod; 6. Welding component; 61. Docking groove; 62. Positioning side groove; 7. First frame; 71. Handlebar connecting pipe; 72. Vehicle body frame; 8. Second frame; 81. Welding rod. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] The terms “left”, “right”, “front”, “back”, “up” and “down” mentioned in the following description are oriented in the viewing direction of the front view.

[0035] Embodiment 1: In some embodiments, please refer to the drawings of the specification Figure 1-Figure 4, an electric bicycle frame welding device, comprising a conveyor line 1, a second frame docking mechanism 3, a component docking mechanism 5 and a welding robot 4 installed on a base, and also comprising a first carrier plate 2 for limiting and supporting a first frame 7;

[0036] A carrier 11 is fixedly installed at the output end of the conveyor line 1, and a first carrier plate 2 is fixedly installed on the carrier plate 11 by bolts; the second frame docking mechanism 3 includes a transfer module 31, a second carrier plate 32 and a carrier plate docking module 33, the transfer module 31 is installed on the base, and a second carrier plate 32 for positioning and supporting the second frame 8 is installed on the transfer module 31, and the carrier plate docking module 33 is installed on the second carrier plate 32 and the first carrier plate 2; a welding robot 4 for welding the welding component 6, the first frame 7 and the second frame 8 is fixedly installed on the base;

[0037] The component docking mechanism 5 includes a support frame 51, a feeding module 52, a positioning module 53 and a loading module 54; a plurality of support frames 51 are fixedly mounted on a base, the feeding module 52 and the positioning module 53 are mounted on the support frame 51, and the loading module 54 is mounted on the positioning module 53.

[0038] A carrier plate positioning pin 111 for positioning the first carrier plate 2 is fixedly mounted on the carrier stage 11 .

[0039] The first frame 7 is composed of a handlebar connecting tube 71 and a body frame 72 which are fixedly connected; a welding rod 81 is fixedly installed on the second frame 8; during welding, both ends of the welding rod 81 are welded to the body frame 72, and the docking groove 61 of the welding component 6 is welded to the bottom of the handlebar connecting tube 71.

[0040] In this embodiment, when the electric bicycle frame welding equipment is working normally, the first frame 7 is installed on the first carrier plate 2, and the first frame 7 is supported and fixed by the first carrier plate 2; then the first carrier plate 2 with the first frame 7 installed is installed on the carrier 11; when performing subsequent welding, it is only necessary to remove the first carrier plate 2 with the first frame 7 from the carrier 11 and install it to the corresponding position of other processes; the first frame 7 has an irregular shape and is not convenient for positioning, and the first carrier plate 2 has a regular shape and is easy to position; thus, through the setting of the first carrier plate 2, the first frame 7 can be quickly positioned when performing multiple sets of welding processes; the second frame 8 is installed on the second carrier plate 32, and the second frame 8 is supported and positioned by the second carrier plate 32;

[0041] When welding, the conveyor line 1 drives the first carrier plate 2 to move through the carrier 11, thereby driving the first frame 7 on the first carrier plate 2 to move, so that the body frame 72 is aligned with the welding rod 81, and the handlebar connecting pipe 71 is aligned with the docking groove 61 on the feeding module 52; the transfer module 31 drives the second carrier plate 32 to move, thereby driving the second frame 8 to move through the second carrier plate 32, so that the welding rod 81 contacts the corresponding welding position on the body frame 72; the welding rod 81 is welded to the body frame 72 by the welding robot 4; then the second carrier plate 32 is connected to the first carrier plate 2 through the carrier docking module 33; the transfer module 31 releases the lock on the second carrier plate 32 and resets; Thereby, the second carrier plate 32 maintains the positioning and support for the second frame 8; during this process, the feeding module 52 transports the welding component 6 to the position aligned with the handlebar connecting tube 71; the positioning module 53 drives the loading module 54 to move, so that the loading module 54 is aligned with the welding component 6 on the feeding module 52; at the same time, through the cooperation of the positioning module 53 and the handlebar connecting tube 71, the relative position of the loading module 54 and the handlebar connecting tube 71 is made more precise; then the loading module 54 drives the welding component 6 on the feeding module 52 to move, so that the docking groove 61 is accurately aligned with the handlebar connecting tube 71, thereby improving the welding accuracy; the welding component 6 and the handlebar connecting tube 71 are welded together by the welding robot 4.

[0042] Embodiment 2: In some embodiments, Figure 1-Figure 8 As shown, as a preferred embodiment of the present invention, a first conformal groove 21 conforming to the first frame 7 is provided on the first carrier plate 2, and a first positioning groove 25 plugged with the carrier plate positioning pin 111 is provided on the first carrier plate 2; a fixed positioning rod 22 for positioning the fixing frame 24 is symmetrically fixedly installed on the first carrier plate 2, and the fixed positioning rod 22 is plugged with the fixing frame 24; a first fixing block 23 and a fixing frame 24 for pressing the first frame 7 are fixedly installed on the first carrier plate 2 by bolts;

[0043] The transfer module 31 includes a feeding linear slide 311, a lifting linear slide 312, a support plate 313, a movable positioning pin 314, a rotating cylinder 315 and a second fixed block 316. The feeding linear slide 311 is fixedly installed on the base, and the lifting linear slide 312 is fixedly installed on the moving end of the feeding linear slide 311, and the lifting linear slide 312 is fixedly installed on the moving end of the lifting linear slide 312. A support plate 313 for supporting the second carrier plate 32 is fixedly installed; a plurality of movable positioning pins 314 for positioning the second carrier plate 32 are fixedly installed on the support plate 313; the second carrier plate 32 is plugged with the movable positioning pins 314; a rotating cylinder 315 is fixedly installed on the support plate 313; and a second fixed block 316 for pressing the second carrier plate 32 is fixedly installed on the output end of the rotating cylinder 315;

[0044] The second carrier plate 32 is provided with a second conformal groove 321 conforming to the second frame 8, a frame positioning plate 322 for positioning the second frame 8 is fixedly mounted on the second carrier plate 32, and a second positioning groove 323 for positioning the welding rod 81 is provided on the second carrier plate 32; a locking block 324 for pressing the second frame 8 is symmetrically mounted on the second carrier plate 32;

[0045] The carrier docking module 33 includes an extension plate 331, a locking rod 333, a spring 334 and a sliding rod 335; an extension plate 331 for supporting the second carrier plate 32 is fixedly installed on the first carrier plate 2; a connecting groove 332 with which the second carrier plate 32 is limited and slidably provided is provided on the extension plate 331; a locking rod 333 is symmetrically and slidably installed on the extension plate 331; a sliding rod 335 is fixedly installed on the lower side of the locking rod 333; the sliding rod 335 is connected to the extension plate 331 in a limited and slidable manner; a spring 334 is arranged on the outer sleeve of the sliding rod 335; one end of the spring 334 is fixedly connected to the locking rod 333, and the other end of the spring 334 is fixedly connected to the extension plate 331; a guide surface with which the second carrier plate 32 is fitted and slidably is provided on the outer side of the locking rod 333; a locking groove with which the locking rod 333 is inserted is provided on the lower side of the second carrier plate 32;

[0046] The feeding module 52 includes a material guide frame 521, a material feeding cylinder 523, a material feeding plate 524 and a material storage frame 525. The material guide frame 521 for guiding the welding component 6 is fixedly installed on the support frame 51; the material storage frame 525 is fixedly installed at the bottom of the material guide frame 521; a material feeding trough 522 is provided at the lower side of the material guide frame 521, and a conformal material storage trough 526 is provided on the material storage frame 525; the material feeding trough 522 is aligned with the conformal material storage trough 526; a material feeding cylinder 523 is fixedly installed on the support frame 51, and a material feeding plate 524 for pushing the welding component 6 is fixedly installed at the output end of the material feeding cylinder 523; the material feeding plate 524 slides within the material feeding trough 522;

[0047] The positioning module 53 includes a mobile module and a clamping module. The mobile module is installed on the support frame 51, and the clamping module is installed at the mobile end of the mobile module.

[0048] The moving module includes a yielding cylinder linear slide 531 and a moving mounting plate 532. The yielding cylinder linear slide 531 is fixedly mounted on the support frame 51, and the moving end of the yielding cylinder linear slide 531 is fixedly mounted with the moving mounting plate 532.

[0049] The clamping module includes a floating spring 533, a guide telescopic rod 534, a floating mounting plate 535, a pneumatic clamp 536 and a conformal positioning block 537. Two groups of pneumatic clamps 536 are fixedly installed on the floating mounting plate 535; the output end of the pneumatic clamp 536 is fixedly installed with a conformal positioning block 537 for clamping the handlebar connecting tube 71; two groups of feeding cylinders 523 are respectively aligned with the upper and lower ends of the handlebar connecting tube 71; multiple groups of floating connection components are installed between the floating mounting plate 535 and the mobile mounting plate 532; the floating connection component includes a floating spring 533 and a guide telescopic rod 534, one end of the guide telescopic rod 534 is fixedly connected to the mobile mounting plate 532; the other end of the guide telescopic rod 534 is fixedly connected to the floating mounting plate 535; a floating spring 533 is sleeved on the outer side of the guide telescopic rod 534; the two ends of the floating spring 533 are respectively fixedly connected to the mobile mounting plate 532 and the floating mounting plate 535;

[0050] The loading module 54 includes a positioning cylinder linear slide 541, a component positioning plate 542 and a component positioning rod 543. The positioning cylinder linear slide 541 is fixedly mounted on the floating mounting plate 535, and the component positioning plate 542 is fixedly mounted on the output end of the positioning cylinder linear slide 541; the component positioning plate 542 is fixedly mounted with a component positioning rod 543 for plugging into the positioning edge groove 62; the driving cylinder of the positioning cylinder linear slide 541 adopts a multi-stroke cylinder.

[0051] In this embodiment, when the first carrier plate 2, the second frame docking mechanism 3 and the component docking mechanism 5 work normally, the first frame 7 is placed on the first carrier plate 2, and the first frame 7 is positioned by the first conformal groove 21; the first fixing block 23 is fixedly installed on the first carrier plate 2 by bolts, and the handlebar connecting pipe 71 is fixed by the first fixing block 23; the fixing frame 24 is plugged into the fixed positioning rod 22, and the fixing frame 24 is positioned by the fixed positioning rod 22, and then the fixing frame 24 is fixedly installed on the first carrier plate 2 by bolts, and the vehicle body frame 72 is fixed by the fixing frame 24; the positioning and fixing of the first frame 7 are completed; then, after the first positioning groove 25 is aligned with the carrier plate positioning pin 111, the first carrier plate 2 is placed on the carrier 11, and the first carrier plate 2 and the carrier 11 are fixed by bolts;

[0052] The second frame 8 is placed on the second carrier plate 32, and the second frame 8 is positioned by the second conformal groove 321 and the frame positioning plate 322; the welding rod 81 is positioned by the second positioning groove 323; then the locking block 324 is rotated to press the locking block 324 on the second frame 8, and the positioning and fixing of the second frame 8 are completed; then the second carrier plate 32 is placed on the support plate 313, and the second carrier plate 32 is positioned by moving the positioning pin 314; the rotating cylinder 315 drives the second fixing block 316 to rotate and press on the second carrier plate 32, and the positioning and fixing of the second carrier plate 32 are completed;

[0053] When the conveyor line 1 drives the first carrier plate 2 to move through the carrier 11 and aligns the first frame 7 on the first carrier plate 2 with the second frame 8, the feeding linear slide 311 drives the support plate 313 to move by lifting the linear slide 312, thereby driving the second carrier plate 32 and the second frame 8 on the second carrier plate 32 to move until the welding rod 81 contacts the welding position corresponding to the vehicle body frame 72; during this process, the second carrier plate 32 moves to the extension plate 331 fixedly installed on the first carrier plate 2, and the second carrier plate 32 is positioned by the connecting groove 332, and the second carrier plate 32 is supported by the extension plate 331; at the same time, the second carrier plate 32 presses down the locking rod 333 during the movement, and the locking rod 333 moves vertically downward and compresses the spring 334; until the locking rod 333 is aligned with the locking groove on the second carrier plate 32, the spring 334 is reset to drive the locking rod 333 to insert into the locking groove, and the second carrier plate 32 is fixed; the second carrier plate 32 is connected to the first carrier plate 2; after the welding of the welding rod 81 and the vehicle body frame 72 is completed by the welding robot 4, the second carrier plate 32 maintains the support of the welding rod 81; then the rotating cylinder 315 drives the second fixing block 316 to reset, no longer pressing the second carrier plate 32, and the lifting linear slide 312 drives the support plate 313 to move vertically downward, so that the movable positioning pin 314 on the support plate 313 is separated from the second carrier plate 32; then the feeding linear slide 311 drives the lifting linear slide 312 and the support plate 313 to reset;

[0054] The welding component 6 is transported to the feeding trough 522 through the guide rack 521, and the feeding cylinder 523 drives the feeding plate 524 to push the welding component 6 from the feeding trough 522 to the conformal storage trough 526 on the storage rack 525; the displacement cylinder linear slide 531 drives the movable mounting plate 532 to move, and drives the two sets of pneumatic clamps 536 to move to the handlebar connecting pipe 71 through the floating spring 533, the guide telescopic rod 534 and the floating mounting plate 535, so that the conformal positioning block 537 on the pneumatic clamp 536 is aligned with the handlebar connecting pipe 71; at this time, the component positioning plate 542 moves to the lower side of the welding component 6, and the positioning cylinder linear slide 541 drives the component positioning rod 543 to move vertically through the component positioning plate 542, so that the component positioning rod 543 is inserted into the positioning edge groove 62; then the pneumatic clamp 536 drives the conformal positioning block 5 37 clamps the upper and lower ends of the handlebar connecting tube 71; the floating mounting plate 535 is driven to move through the conformal clamping of the conformal positioning block 537 and the handlebar connecting tube 71. During this process, the floating mounting plate 535 maintains a certain amount of displacement space through the cooperation of the floating spring 533 and the guide telescopic rod 534; at this time, the positioning cylinder linear slide 541, the component positioning plate 542 and the component positioning rod 543 move with the floating mounting plate 535, so that the docking groove 61 of the welding component 6 on the component positioning rod 543 is aligned with the handlebar connecting tube 71; then the positioning cylinder linear slide 541 drives the welding component 6 to continue to move through the component positioning plate 542 and the component positioning rod 543 until the welding component 6 contacts the handlebar connecting tube 71; the welding component 6 and the handlebar connecting tube 71 are welded together by the welding robot 4; and the welding is completed.

[0055] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An electric bicycle frame welding device, comprising a conveyor line (1) mounted on a base, a second frame docking mechanism (3), a component docking mechanism (5) and a welding robot (4), characterized in that: It also includes a first carrier plate (2) for limiting and supporting the first frame (7); A carrier (11) is fixedly mounted at the output end of the conveyor line (1), and a first carrier plate (2) is fixedly mounted on the carrier plate (11) by means of bolts; the second frame docking mechanism (3) comprises a transfer module (31), a second carrier plate (32) and a carrier plate docking module (33); the transfer module (31) is mounted on a base, a second carrier plate (32) for positioning and supporting the second frame (8) is mounted on the transfer module (31), and the carrier plate docking module (33) is mounted on the second carrier plate (32) and the first carrier plate (2); a welding robot (4) for welding the welding component (6), the first frame (7) and the second frame (8) is fixedly mounted on the base; The component docking mechanism (5) comprises a support frame (51), a feeding module (52), a positioning module (53) and a loading module (54); a plurality of support frames (51) are fixedly mounted on a base, the feeding module (52) and the positioning module (53) are mounted on the support frame (51), and the loading module (54) is mounted on the positioning module (53).

2. The electric bicycle frame welding equipment according to claim 1, characterized in that: The first carrier plate (2) is provided with a first conformal groove (21) conforming to the first frame (7), and the first carrier plate (2) is provided with a first positioning groove (25) plugged into the carrier plate positioning pin (111); a fixed positioning rod (22) for positioning the fixing frame (24) is symmetrically fixedly mounted on the first carrier plate (2), and the fixed positioning rod (22) is plugged into the fixing frame (24); a first fixing block (23) and the fixing frame (24) for pressing the first frame (7) are fixedly mounted on the first carrier plate (2) by means of bolts.

3. The electric bicycle frame welding equipment according to claim 1, characterized in that: The transfer module (31) comprises a feeding linear slide (311), a lifting linear slide (312), a support plate (313), a movable positioning pin (314), a rotating cylinder (315) and a second fixed block (316); the feeding linear slide (311) is fixedly mounted on a base; a lifting linear slide (312) is fixedly mounted on a movable end of the feeding linear slide (311); a supporting plate (313) for supporting a second carrier plate (32) is fixedly mounted on a movable end of the lifting linear slide (312); a plurality of movable positioning pins (314) for positioning the second carrier plate (32) are fixedly mounted on the support plate (313); the second carrier plate (32) is plugged into the movable positioning pins (314); a rotating cylinder (315) is fixedly mounted on the support plate (313); and a second fixed block (316) for pressing the second carrier plate (32) is fixedly mounted on an output end of the rotating cylinder (315).

4. The electric bicycle frame welding equipment according to claim 3, characterized in that: The second carrier plate (32) is provided with a second conformal groove (321) conformal to the second frame (8); a frame positioning plate (322) for positioning the second frame (8) is fixedly mounted on the second carrier plate (32); a second positioning groove (323) for positioning the welding rod (81) is provided on the second carrier plate (32); and a locking block (324) for pressing the second frame (8) is symmetrically rotatably mounted on the second carrier plate (32).

5. The electric bicycle frame welding equipment according to claim 4, characterized in that: The carrier docking module (33) comprises an extension plate (331), a locking rod (333), a spring (334) and a sliding rod (335); the first carrier (2) is fixedly provided with an extension plate (331) for supporting the second carrier (32); the extension plate (331) is provided with a connecting groove (332) for limited sliding with the second carrier (32); the extension plate (331) is symmetrically provided with a locking rod (333) for limited sliding; the lower side of the locking rod (333) is fixedly provided with a A slide bar (335); the slide bar (335) is connected to the extension plate (331) in a limited sliding manner; a spring (334) is provided on the outer sleeve of the slide bar (335); one end of the spring (334) is fixedly connected to the locking bar (333), and the other end of the spring (334) is fixedly connected to the extension plate (331); a guide surface that is fitted and slidably engaged with the second carrier plate (32) is provided on the outer side of the locking bar (333); and a locking groove that is plugged into the locking bar (333) is provided on the lower side of the second carrier plate (32).

6. The electric bicycle frame welding equipment according to claim 1, characterized in that: The feeding module (52) comprises a material guide frame (521), a material feeding cylinder (523), a material feeding plate (524) and a material storage frame (525); a material guide frame (521) for guiding the welding component (6) is fixedly mounted on the support frame (51); a material storage frame (525) is fixedly mounted at the bottom of the material guide frame (521); a material feeding trough (522) is provided at the lower side of the material guide frame (521), and a conformal material storage trough (526) is provided on the material storage frame (525); the material feeding trough (522) is aligned with the conformal material storage trough (526); a material feeding cylinder (523) is fixedly mounted on the support frame (51), and a material feeding plate (524) for pushing the welding component (6) is fixedly mounted at the output end of the material feeding cylinder (523); the material feeding plate (524) slides within the material feeding trough (522) in a limited manner.

7. The electric bicycle frame welding equipment according to claim 6, characterized in that: The positioning module (53) comprises a moving module and a clamping module, the moving module is mounted on the support frame (51), and the clamping module is mounted on the moving end of the moving module.

8. The electric bicycle frame welding equipment according to claim 7, characterized in that: The moving module comprises a yielding cylinder linear slide (531) and a moving mounting plate (532); the yielding cylinder linear slide (531) is fixedly mounted on the support frame (51); and the moving end of the yielding cylinder linear slide (531) is fixedly mounted with the moving mounting plate (532).

9. The electric bicycle frame welding equipment according to claim 8, characterized in that: The clamping module comprises a floating spring (533), a guide telescopic rod (534), a floating mounting plate (535), a pneumatic clamping jaw (536) and a conformal positioning block (537); two groups of pneumatic clamping jaws (536) are fixedly mounted on the floating mounting plate (535); a conformal positioning block (537) for clamping the handlebar connecting pipe (71) is fixedly mounted on the output end of the pneumatic clamping jaw (536); two groups of feeding cylinders (523) are respectively aligned with the upper and lower ends of the handlebar connecting pipe (71); the floating mounting plate (535) and the movable mounting plate (535) are respectively aligned with the upper and lower ends of the handlebar connecting pipe (71); A plurality of floating connection components are installed between the mounting plates (532); the floating connection components include a floating spring (533) and a guide telescopic rod (534); one end of the guide telescopic rod (534) is fixedly connected to the movable mounting plate (532); the other end of the guide telescopic rod (534) is fixedly connected to the floating mounting plate (535); a floating spring (533) is sleeved on the outer side of the guide telescopic rod (534); and the two ends of the floating spring (533) are respectively fixedly connected to the movable mounting plate (532) and the floating mounting plate (535).

10. The electric bicycle frame welding equipment according to claim 9, characterized in that: The loading module (54) comprises a positioning cylinder linear slide (541), a component positioning plate (542) and a component positioning rod (543); the positioning cylinder linear slide (541) is fixedly mounted on a floating mounting plate (535); the component positioning plate (542) is fixedly mounted on the output end of the positioning cylinder linear slide (541); the component positioning rod (543) for plugging into the positioning edge groove (62) is fixedly mounted on the component positioning plate (542); the driving cylinder of the positioning cylinder linear slide (541) adopts a multi-stroke cylinder.

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