CN115846970A - Balance car rudder handlebar front fork welding position device - Google Patents

Abstract

The invention discloses a welding and positioning device for a steering handle front fork of a balance car, belonging to the technical field of steering handle front forks of balance cars, comprising: a machine support, rotary mechanism and positioning mechanism, rotary mechanism connects the one side in the frame, the top of frame is provided with the pivot, the one end of pivot is rotated and is connected on rotary mechanism, the other end of pivot is connected with positioning mechanism, positioning mechanism is including connecting the backup pad in the pivot, one side fixedly connected with positioning seat of backup pad, be provided with the constant head tank on the positioning seat, the front fork panel beating is placed in the constant head tank, the both ends of positioning seat are provided with respectively and compress tightly the cylinder, be connected with the first clamp plate that is used for compressing tightly the front fork panel beating on compressing tightly the cylinder, the positioning seat below is provided with the layer board, be provided with the standpipe uide bushing on the layer board, the front fork standpipe is installed in the standpipe uide bushing, front fork welded sleeve installs on the front fork standpipe. The invention can solve the problem of a gap existing in the welding process of the front fork metal plate and the front fork welding sleeve, thereby achieving the purpose of improving the welding quality.

Description

Welding and positioning device for front fork of balance car steering handle

technical field

The invention relates to the technical field of the front fork of the steering handle of the balancing vehicle, in particular to a welding and positioning device for the front fork of the steering handle of the balancing vehicle.

Background technique

The welding of the front fork of the steering handle of the self-balancing vehicle is a very common link in the production of the self-balancing vehicle. In the past, in the manufacturing industry, the welding of the front fork of the steering handle was often done manually, which has low automation, high risk, high labor intensity and low efficiency. . The welding automation of the tiller fork is the development trend of the welding of the tiller fork, and the positioning device of the tiller fork is an indispensable equipment for realizing the automation process of the tiller fork welding. The existing tiller front fork is composed of the front fork sheet metal, the front fork welding sleeve and the front fork standpipe. At present, there is a gap in the welding process of the front fork sheet metal and the front fork welding sleeve, so that the positions of the shaft holes on both sides are in line with the sleeve. The size of the end surface of the bottom of the cylinder is out of tolerance, resulting in the concentricity of the shaft holes on both sides of the front fork sheet metal not meeting the standard, which cannot meet the requirements and affects the production requirements.

Contents of the invention

The purpose of the present invention is to provide a welding positioning device for the front fork of the steering handle of a balance car in order to solve the problem of the gap between the front fork sheet metal and the front fork welding sleeve welding process.

In order to achieve the above object, the present invention adopts the following technical solutions: a balance vehicle steering handle front fork welding positioning device, which includes: a frame, a rotating mechanism and a positioning mechanism, the rotating mechanism is connected to one side of the frame , the top of the frame is provided with a rotating shaft, one end of the rotating shaft is rotatably connected to the rotating mechanism, the other end of the rotating shaft is connected to the positioning mechanism, and the rotating mechanism drives the rotating shaft to rotate and then drives the The positioning mechanism rotates. The positioning mechanism includes a support plate connected to the rotating shaft. One side of the support plate is fixedly connected with a positioning seat. The positioning seat is provided with a positioning groove, and the front fork sheet metal is placed on the In the positioning groove, the two ends of the positioning seat are respectively provided with a compression cylinder, and the compression cylinder is connected with a first pressure plate for pressing the front fork sheet metal, and a supporting plate is provided under the positioning seat. A vertical pipe guide sleeve is arranged on the supporting plate, the front fork vertical pipe is installed in the vertical pipe guide sleeve, the front fork welding sleeve is installed on the front fork vertical pipe, the front fork welding sleeve is connected with the connected to the bottom of the front fork sheet metal.

As a further description of the above technical solution:

A movable plunger is arranged on the supporting plate, a spring is arranged on the movable plunger, and the other end of the spring is connected with the front fork standpipe.

As a further description of the above technical solution:

The rotation mechanism includes a drive part fixedly connected to the frame, a linear slide rail is arranged above the drive part, and a first connecting plate is slidably connected to the linear slide rail, and the drive part drives the first connecting plate. A connecting plate moves forward and backward, a rack is arranged on the first connecting plate, and a gear matching the rack is arranged on the rotating shaft.

As a further description of the above technical solution:

The end of the driving part is provided with a second connecting plate, and a connecting groove is opened on the second connecting plate, and the end of the first connecting plate is fixedly connected in the connecting groove.

As a further description of the above technical solution:

One side of the second connecting plate is provided with a first buffer, and the bottom of the first connecting plate is provided with a stopper, and the stopper and the first buffer are located on the same straight line.

As a further description of the above technical solution:

Two sliders are arranged on the linear slide rail, and the first connecting plate is slidably connected to the linear slide rail through the sliders.

As a further description of the above technical solution:

The driving part is a cylinder or a motor.

As a further description of the above technical solution:

Two bearing supports are arranged on the frame, and the two bearing supports are arranged in parallel, and the rotating shaft is rotatably connected to the bearing supports.

As a further description of the above technical solution:

The end of the first pressure plate is provided with a second pressure plate, the second pressure plate is an L-shaped plate body, and the second pressure plate is against the top of the front fork sheet metal.

As a further description of the above technical solution:

The frame is provided with a second buffer, and the second buffer is located on one side of the support plate.

In summary, owing to adopting above-mentioned technical scheme, the beneficial effect of the present invention is:

1. In the present invention, a two-stage assembly is adopted, from both ends to the middle, so that the gap between the front fork sheet metal and the bottom surface of the welding sleeve can be effectively eliminated, so that the center axis hole of the front fork and the lower part of the sleeve Dimensions meet tolerance requirements and improve welding quality

2. In the present invention, the device is of automatic clamping type, and the rotating shaft can be turned over automatically at 180 degrees to realize the automatic welding process of front and back sides by robots, reduce the difficulty of welding, and increase the welding speed.

3. In the present invention, automatic welding is realized, welding efficiency is improved, and welding quality is improved through the positioning mechanism provided.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention, and thus It should be regarded as a limitation on the scope, and those skilled in the art can also obtain other related drawings based on these drawings without creative work.

Fig. 1 is a structural schematic diagram of a welding positioning device for a steering handle front fork of a balancing vehicle.

Fig. 2 is a sectional view 1 of a welding positioning device for a front fork of a steering handle of a self-balancing vehicle.

Fig. 3 is a top view of a welding and positioning device for the front fork of the steering handle of the balancing vehicle.

Fig. 4 is a second cross-sectional view of a welding positioning device for a steering handle front fork of a self-balancing vehicle.

Fig. 5 is an enlarged view of part A in Fig. 1 .

FIG. 6 is an enlarged view of part B in FIG. 2 .

illustration:

1. Rack; 2. Rotary mechanism; 21. Driving component; 22. Linear slide rail; 221. Slider; 23. First connecting plate; 231. Rack; 232. Block; 24. Second connecting plate; 25. The first buffer; 3. The positioning mechanism; 31. The support plate; 32. The positioning seat; 321. The positioning groove; 33. The compression cylinder; 34. The first pressure plate; 35. The supporting plate; 351. The movable plunger; 352, spring; 36, vertical pipe guide sleeve; 37, second pressure plate; 4, rotating shaft; 41, gear; 5, front fork sheet metal; 6, front fork vertical pipe; 7, front fork welding sleeve; 8, bearing support.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

Please refer to Figures 1-6, the present invention provides a technical solution: a welding and positioning device for the front fork of the balance vehicle steering handle, including: a frame 1, a rotating mechanism 2 and a positioning mechanism 3, the rotating mechanism 2 is connected to the One side of the frame 1, the top of the frame 1 is provided with a rotating shaft 4, one end of the rotating shaft 4 is rotatably connected to the rotating mechanism 2, and the other end of the rotating shaft 4 is connected to the positioning mechanism 3, The rotating mechanism 2 drives the rotating shaft 4 to rotate and then drives the positioning mechanism 3 to rotate. The positioning mechanism 3 includes a supporting plate 31 connected to the rotating shaft 4, and one side of the supporting plate 31 is fixedly connected with a positioning seat. 32, the positioning seat 32 is provided with a positioning groove 321, the front fork sheet metal 5 is placed in the positioning groove 321, and the two ends of the positioning seat 32 are respectively provided with a compression cylinder 33, and the compression cylinder 33 The first pressure plate 34 used to compress the front fork sheet metal 5 is connected to the top, a supporting plate 35 is arranged below the positioning seat 32, a vertical pipe guide sleeve 36 is arranged on the supporting plate 35, and the front fork vertical pipe 6 Installed in the vertical tube guide sleeve 36, the front fork welding sleeve 7 is installed on the front fork vertical tube 6, and the front fork welding sleeve 7 is connected with the bottom of the front fork sheet metal 5.

A movable plunger 351 is arranged on the support plate 35 , a spring 352 is arranged on the movable plunger 351 , and the other end of the spring 352 is connected with the front fork stem 6 . It can be convenient to take out the front fork vertical tube 6, and simultaneously play a buffering role to prevent the front fork vertical tube 6 from being crushed.

The rotating mechanism 2 includes a drive part 21 fixedly connected to the frame 1, a linear slide rail 22 is arranged above the drive part 21, and a first connecting plate 23 is slidably connected to the linear slide rail 22. The driving component 21 drives the first connecting plate 23 to move back and forth, the first connecting plate 23 is provided with a rack 231 , and the rotating shaft 4 is provided with a gear 41 matching the rack 231 .

The end of the driving part 21 is provided with a second connecting plate 24, and a connecting groove is opened on the second connecting plate 24, and the end of the first connecting plate 23 is fixedly connected in the connecting groove.

One side of the second connecting plate 24 is provided with a first buffer 25, and the bottom of the first connecting plate 23 is provided with a stopper 232, and the stopper 232 and the first buffer 25 are located on the same straight line .

Two sliding blocks 221 are disposed on the linear sliding rail 22 , and the first connecting plate 23 is slidably connected to the linear sliding rail 22 through the sliding blocks 221 .

The driving part 21 is an air cylinder. The driving part can also be a motor.

The frame 1 is provided with two bearing supports 8 , and the two bearing supports 8 are arranged in parallel, and the rotating shaft 4 is rotatably connected to the bearing supports 8 . The stability of the movement of the rotating shaft 4 can be improved, and the positioning part can be prevented from vibrating when rotating, so that the stability of welding can be improved, and thus the welding quality can be improved.

The end of the first pressing plate 34 is provided with a second pressing plate 37 , the second pressing plate 37 is an L-shaped plate body, and the second pressing plate 37 is against the top of the front fork sheet metal 5 .

The frame 1 is provided with a second buffer (not shown), and the second buffer is located on one side of the support plate 31 . The rotation angle of the support plate 31 can be limited, and at the same time, the support plate 31 can be prevented from being scratched, so that the purpose of protecting welding products can be achieved.

Working principle, first put the front fork vertical tube 6 into the vertical tube guide sleeve 36, the bottom end of the front fork vertical tube 6 is in contact with the movable plunger 351, the flange sleeve at the front end of the movable plunger 351 compresses the spring 352, and then the front fork The welding sleeve 7 is coaxially assembled with the front fork standpipe 6, and finally the front fork sheet metal 5 is placed in the positioning groove 321, and the manual valve of the compression cylinder 33 is activated to make the first pressure plate 34 drive the second pressure plate 37 to move downward. Press the front fork sheet metal 5 into the positioning groove 321, press the front fork sheet metal 5 downward and drive the front fork standpipe 6 and the front fork welding sleeve 7 to press down, so that the spring 352 is compressed twice, and the front fork sheet metal is completed. Fix the metal 5, the front fork vertical pipe 6 and the front fork welding sleeve 7, press the start button of the platform, and reach the predetermined area for robot welding. The program completes the front side welding; the welding program gives a handshake signal, which is passed to the driving part 21 to set the position, and pulls the first connecting plate 23 fixed on the linear slide rail, the linear motion of the rack meshes with the gear to rotate, and then drives the rotating shaft 4 to rotate, realizing Turn the positioning part as a whole by 180 degrees, the stopper 232 reaches the position of the first buffer 25, and the front fork welding sleeve 7 and the back of the front fork sheet metal 5 are placed on it, the warning signal is issued, and the robot starts to weld along the vertical pipe and the front fork. Weld a circle at the specified position around the center hole of the fork sheet metal until the action is completed.

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, any person familiar with the technical field within the technical scope disclosed in the present invention, according to the technical solution of the present invention Any equivalent replacement or change of the inventive concepts thereof shall fall within the protection scope of the present invention.

Claims (10)

1. The utility model provides a balance car rudder handlebar front fork welding position device which characterized in that includes: the device comprises a rack (1), a rotating mechanism (2) and a positioning mechanism (3), wherein the rotating mechanism (2) is connected to one side of the rack (1), a rotating shaft (4) is arranged at the top of the rack (1), one end of the rotating shaft (4) is rotatably connected to the rotating mechanism (2), the other end of the rotating shaft (4) is connected to the positioning mechanism (3), the rotating mechanism (2) drives the rotating shaft (4) to rotate so as to drive the positioning mechanism (3) to rotate, the positioning mechanism (3) comprises a supporting plate (31) connected to the rotating shaft (4), one side of the supporting plate (31) is fixedly connected with a positioning seat (32), the positioning seat (32) is provided with a positioning groove (321), a front fork metal plate (5) is placed in the positioning groove (321), two ends of the positioning seat (32) are respectively provided with a pressing cylinder (33), the pressing cylinder (33) is connected with a first pressing plate (34) for pressing the front fork (5), a supporting plate (35) is arranged below the positioning seat (32), a vertical tube (35) is arranged on the vertical tube (6), and the vertical tube (7) is welded on the front fork sleeve (7), the front fork welding sleeve (7) is connected with the bottom of the front fork metal plate (5).

2. The welding and positioning device for the front fork of the steering handle of the balance bike is characterized in that a movable plunger (351) is arranged on the supporting plate (35), a spring (352) is arranged on the movable plunger (351), and the other end of the spring (352) is connected with the front fork vertical tube (6).

3. The welding and positioning device for the front fork of the steering handle of the balance car according to claim 1, wherein the rotating mechanism (2) comprises a driving part (21) fixedly connected to the frame (1), a linear slide rail (22) is arranged above the driving part (21), a first connecting plate (23) is slidably connected to the linear slide rail (22), the driving part (21) drives the first connecting plate (23) to move back and forth, a rack (231) is arranged on the first connecting plate (23), and a gear (41) matched with the rack (231) is arranged on the rotating shaft (4).

4. The welding and positioning device for the front fork of the rudder handle of the balance vehicle as claimed in claim 3, wherein a second connecting plate (24) is arranged at the end of the driving part (21), a connecting groove is formed in the second connecting plate (24), and the end of the first connecting plate (23) is fixedly connected in the connecting groove.

5. A balance car rudder handle front fork welding positioning device according to claim 4, characterized in that a first buffer (25) is arranged on one side of the second connecting plate (24), a stop block (232) is arranged at the bottom of the first connecting plate (23), and the stop block (232) and the first buffer (25) are located on the same straight line.

6. The welding and positioning device for the front fork of the rudder handle of the balance bike as claimed in claim 3, wherein two sliding blocks (221) are arranged on the linear sliding rail (22), and the first connecting plate (23) is slidably connected to the linear sliding rail (22) through the sliding blocks (221).

7. A welding and positioning device for front forks of steering handles of balance vehicles according to claim 3, characterized in that the driving part (21) is a cylinder or a motor.

8. The welding and positioning device for the front fork of the rudder handle of the balance vehicle as claimed in claim 1, wherein two bearing supports (8) are arranged on the frame (1), the two bearing supports (8) are arranged in parallel, and the rotating shaft (4) is rotatably connected to the bearing supports (8).

9. The welding and positioning device for the front fork of the steering handle of the balance bike is characterized in that a second pressing plate (37) is arranged at the end of the first pressing plate (34), the second pressing plate (37) is an L-shaped plate body, and the second pressing plate (37) abuts against the top of the front fork metal plate (5).

10. A balance car rudder handle front fork welding positioning device according to claim 1, characterized in that a second buffer is arranged on the frame (1), and the second buffer is positioned on one side of the support plate (31).

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