Welding adjusting device of bicycle frame

Abstract

The utility model discloses a welding adjusting device for a bicycle frame, which relates to the technical field of welding and comprises a workbench, a vertical frame is fixedly connected to one side of the workbench, a lifting device is fixedly connected to the upper end of the frame, an upper adjusting device is arranged on the lifting device, and a lower adjusting device is arranged at the center of the upper end face of the workbench. The upper end of the lower adjusting device is connected with a welding circular truncated cone device which is further connected with the lower adjusting device through a telescopic air cylinder, the lifting device adjusts the height of the first circular pipe, the upper adjusting device adjusts the angle of the first circular pipe, and the telescopic air cylinder is matched with the lower adjusting device to adjust the angle of the welding circular truncated cone device. And meanwhile, the angle of the second circular pipe is adjusted, all-directional angle posture adjustment can be conducted on the first circular pipe and the second circular pipe which need to be welded, the adjustment range is not limited, the applicability is improved, and the actual production requirement is better met.

Description

Technical Field

[0001] The utility model belongs to the technical field of welding, and in particular relates to a welding adjustment device for a bicycle frame. Background Art

[0002] Bicycles, also known as bicycles or bikes, are a green and environmentally friendly means of transportation. With the development of society, bicycles are becoming increasingly popular not only as a means of transportation for short trips but also as a form of fitness equipment. However, when welding existing bicycle frames, workers typically place the frame directly on a workbench, then adjust the angle by holding other components before welding. This not only increases the welding difficulty but also makes it difficult to ensure machining accuracy.

[0003] Chinese patent application number CN202223383427.3 discloses a bicycle front fork welding fixture that is easy to adjust the angle. The fixture comprises a base, a turntable rotatably connected to the upper side of the base via a rotating mechanism, a vertical plate fixedly connected to one side of the turntable's upper surface, a clamping mechanism fixedly connected to one side of the vertical plate, a support frame fixedly connected to one side of the vertical plate below the clamping mechanism, a slide groove provided in the middle of the vertical plate, an adjustment mechanism installed in the slide groove, a column fixedly connected to one side of the base's upper surface, a vertical tube fixing mechanism fixedly connected to one side of the column via a tight adjustment assembly, and a vertical tube fixing mechanism clamping groove coaxially arranged with the turntable, making it easy to adjust the angle of the front fork component and convenient for operators to perform welding processing. However, the angle adjustment range of the above device is limited, its applicability is low, and further improvement is needed. Utility Model Content

[0004] The purpose of the present invention is to solve the problems raised by the above-mentioned background technology. The present invention provides a welding adjustment device for a bicycle frame, which can perform all-round angle adjustment on the parts that need to be welded, better meet the actual production needs, and solve the technical problems existing in the existing device.

[0005] In order to achieve the above purpose, the specific technical solutions of the present utility model are as follows:

[0006] A welding adjustment device for a bicycle frame includes a workbench, a vertical frame fixedly connected to one side of the workbench, a lifting device fixedly connected to the upper end of the frame, an upper adjustment device provided on the lifting device, a lower adjustment device provided at the center of the upper end surface of the workbench, a welding round table device connected to the upper end of the lower adjustment device, and the welding round table device is further connected to the lower adjustment device through a telescopic cylinder. The lifting device adjusts the height of a first round tube, the upper adjustment device adjusts the angle of the first round tube, and the telescopic cylinder cooperates with the lower adjustment device to adjust the angle of the welding round table device and simultaneously adjusts the angle of the second round tube.

[0007] As a further arrangement of the above scheme, the lifting device includes a slide rail and a cylinder device, which are fixedly connected to the frame, the slide rail is vertically arranged, and an installation bracket platform is slidably connected to the slide rail. The cylinder device is fixedly connected to the installation bracket platform, and the cylinder device drives the installation bracket platform to slide vertically up and down on the slide rail.

[0008] As a further arrangement of the above scheme, the upper adjustment device includes a rotating motor, which is fixedly connected to the mounting bracket platform. One end of the rotating motor is rotatably connected to a first clamping device, which can fix and clamp the first round tube. The rotating motor drives the first clamping device to rotate to adjust the angle of the first round tube.

[0009] As a further arrangement of the above scheme, the lower adjustment device includes a lower adjustment platform, on which lower articulated brackets are evenly distributed in a circular pattern. There are four lower articulated brackets, which are hinged to one end of the telescopic cylinder. A vertically upward push rod is provided on the lower adjustment platform, and a universal ball is provided on the upper end of the push rod.

[0010] As a further arrangement of the above scheme, the welding circular table device includes a welding circular table, and an upper articulated bracket is provided on the lower end face of the welding circular table. The upper articulated bracket corresponds to the lower articulated bracket one by one, and the upper articulated bracket is hinged to the other end of the telescopic cylinder. A universal table is provided at the center of the lower end face of the welding circular table, and the universal table is hinged to the universal ball. A driving device is provided on the welding circular table.

[0011] As a further configuration of the above scheme, the welding circular table is rotatably connected to a rotating table, the rotating table is transmission-connected to the driving device, and a symmetrically arranged second clamping device is fixedly connected to the rotating table, and the second clamping device can fix and clamp the second round tube.

[0012] The utility model has the following beneficial effects:

[0013] The first round tube is fixedly clamped on the first clamp device, and the rotating motor drives the first clamp device to rotate to adjust the posture angle of the first round tube. The cylinder device drives the mounting bracket to slide downward on the slide rail to adjust the posture of the first round tube. The second round tube is fixedly clamped on the second clamp device. The four telescopic cylinders cooperate with each other to extend and retract to adjust the angle of the rotating table. The driving device drives the rotating table to rotate to adjust the posture of the second round tube. The first round tube and the second round tube that need to be welded can be adjusted in all directions of angle and posture. The adjustment range is not limited, thereby improving applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is an overall schematic diagram of the utility model;

[0015] Figure 2It is a schematic diagram of the positions of the lifting device and the upper adjustment device of the utility model;

[0016] Figure 3 This is a structural diagram of the lower adjustment device and the welding round table device of the utility model;

[0017] Figure 4 This is a schematic diagram of the lower adjustment device of the present utility model;

[0018] Figure 5 It is a schematic diagram of a welding frustum device of the present invention.

[0019] 1. Workbench; 2. Frame; 3. Lifting device; 4. Upper adjusting device; 5. Lower adjusting device; 6. Welding round table device; 7. First round tube; 8. Second round tube; 9. Telescopic cylinder; 301. Slide rail; 302. Mounting bracket; 303. Cylinder device; 401. Rotating motor; 402. First clamp device; 501. Lower adjusting table; 502. Lower articulated bracket; 503. Push rod; 504. Universal ball; 601. Welding round table; 6011. Universal table; 6012. Upper articulated bracket; 602. Rotating table; 603. Second clamp device; 604. Driving device. DETAILED DESCRIPTION

[0020] In order to enable those skilled in the art to better understand the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts should fall within the scope of protection of this application.

[0021] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of this application can be combined with each other. Figures 1 to 5 , and describes the application in detail with reference to embodiments.

[0022] like Figure 1 As shown, a welding adjustment device for a bicycle frame is provided, wherein a vertical frame 2 is fixedly connected to one side of a workbench 1, a lifting device 3 is fixedly connected to the upper end of the frame 2, an upper adjusting device 4 is provided on the lifting device 3, a lower adjusting device 5 is provided at the center of the upper end surface of the workbench 1, the upper end of the lower adjusting device 5 is connected to a welding round table device 6, and the welding round table device 6 is further connected to the lower adjusting device 5 through a telescopic cylinder 9, the lifting device 3 adjusts the height of the first round tube 7, the upper adjusting device 4 adjusts the angular posture of the first round tube 7, the telescopic cylinder 9 cooperates with the lower adjusting device 5 to adjust the angle of the welding round table device 6 and adjust the angular posture of the second round tube 8.

[0023] like Figure 2 As shown, the lifting device 3 includes a slide rail 301 and a cylinder device 303, the slide rail 301 and the cylinder device 303 are fixedly connected to the frame 2, the slide rail 301 is vertically arranged, and the slide rail 301 is slidably connected to the mounting bracket platform 302, the cylinder device 303 is fixedly connected to the mounting bracket platform 302, and the cylinder device 303 drives the mounting bracket platform 302 to slide vertically up and down on the slide rail 301, and the upper adjustment device 4 includes a rotating motor 401, and the rotating motor 401 is fixedly connected to the mounting bracket platform 302. One end of the rotating motor 401 is rotatably connected to the first clamp device 402, and the first clamp device 402 can fix and clamp the first round tube 7. The rotating motor 401 drives the first clamp device 402 to rotate to adjust the angle of the first round tube 7.

[0024] like Figure 3 、 Figure 4 、 Figure 5 As shown, the lower adjustment device 5 includes a lower adjustment platform 501, and the lower adjustment platform 501 is evenly provided with circumferentially distributed lower articulated brackets 502, and four lower articulated brackets 502 are hinged to one end of the telescopic cylinder 9. A vertical upward push rod 503 is provided on the lower adjustment platform 501, and a universal ball 504 is provided on the upper end of the push rod 503. The welding table device 6 includes a welding table 601, and an upper articulated bracket 6012 is provided on the lower end face of the welding table 601. The upper articulated bracket 6012 corresponds one-to-one to the lower articulated bracket 502, and the upper articulated bracket 6012 is hinged to the other end of the telescopic cylinder 9. A universal table 6011 is provided at the center of the lower end face of the welding table 601, and the universal table 6011 is hinged to the universal ball 504. A driving device 604 is provided on the welding table 601.

[0025] The welding circular table 601 is rotatably connected to a rotating table 602 , which is in transmission connection with a driving device 604 . A symmetrically arranged second clamping device 603 is fixedly connected to the rotating table 602 , and the second clamping device 603 can fix and clamp the second round tube 8 .

[0026] The working process of the present invention is as follows: the first round tube 7 is fixedly clamped on the first clamp device 402, the rotating motor 401 drives the first clamp device 402 to rotate, adjusts the posture angle of the first round tube 7, adjusts the posture of the first round tube 7, and fixes the second round tube 8 on the second clamp device 603. The four telescopic cylinders 9 cooperate with each other to extend and retract, which can adjust the angle of the rotating table 602, cooperate with the driving device 604 to drive the rotating table 602 to rotate, and adjust the posture of the second round tube 8. The first round tube 7 and the second round tube 8 that need to be welded can be adjusted in all directions. The cylinder device 303 drives the mounting bracket table 302 to slide downward on the slide rail 301, connects the first round tube 7 and the second round tube 8 together, and then welds them.

[0027] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes that fall within the meaning and range of equivalents of the claims be included in the present invention. Any reference signs in the claims should not be construed as limiting the claim to which they relate.

[0028] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A welding and adjusting device for a bicycle frame, comprising a workbench, one side of which is fixedly connected to a vertical frame, characterized in that: The upper end of the frame is fixedly connected to a lifting device, and an upper adjusting device is provided on the lifting device. A lower adjusting device is provided at the center of the upper end surface of the workbench. The upper end of the lower adjusting device is connected to a welding round table device, and the welding round table device is also connected to the lower adjusting device through a telescopic cylinder.

2. The bicycle frame welding adjustment device according to claim 1, characterized in that: The lifting device includes a slide rail and a cylinder device, which are fixedly connected to the frame. The slide rail is vertically arranged, and a mounting bracket is slidably connected to the slide rail. The cylinder device is fixedly connected to the mounting bracket.

3. The bicycle frame welding adjustment device according to claim 1, characterized in that: The upper adjustment device includes a rotating motor, which is fixedly connected to the mounting bracket platform, and one end of the rotating motor is rotatably connected to the first clamp device.

4. The bicycle frame welding adjustment device according to claim 1, characterized in that: The lower adjustment device includes a lower adjustment platform, on which lower articulated brackets are evenly distributed in a circumference. The lower articulated bracket is hinged to one end of the telescopic cylinder. A vertically upward push rod is provided on the lower adjustment platform, and a universal ball is provided on the upper end of the push rod.

5. The bicycle frame welding adjustment device according to claim 4, characterized in that: The welding circular table device includes a welding circular table, and an upper articulated bracket is provided on the lower end surface of the welding circular table. The upper articulated bracket corresponds to the lower articulated bracket one by one, and the upper articulated bracket is hinged to the other end of the telescopic cylinder. A universal table is provided at the center of the lower end surface of the welding circular table, and the universal table is hinged to the universal ball. A driving device is provided on the welding circular table.

6. The bicycle frame welding adjustment device according to claim 5, characterized in that: The welding circular table is rotatably connected to a rotating table, the rotating table is transmission-connected to the driving device, and a symmetrically arranged second clamp device is fixedly connected to the rotating table.

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