CN101966637A - Welding fork for stand pipe of motorcycle - Google Patents

Abstract

The invention discloses a welding fork for a stand pipe of a motorcycle. A bracket is arranged on a first positioning plate; a suspension section is arranged at the top of the bracket; a first positioning through slot is arranged at the top of the suspension section; a positioning block and a stand plate are fixed on a second positioning plate; a second positioning through slot is arranged on the top surface of the positioning block; the second positioning through slot is arranged right below the first positioning through slot; a third positioning plate is fixed at the top of the stand plate; a quick chuck is arranged at the upper end of the third positioning plate; a connecting rod of the quick chuck is connected with the upper end of a guide post; a first positioning seat is arranged at the lower end of the guide post; a second positioning seat is arranged right below the first positioning seat; and the second positioning seat is fixed on the second positioning plate. by the welding fork, a direction lock block, a direction stop block and the stand post can be simultaneously positioned; on one hand, the accuracy of the positions of a scutcheon hole, the direction lock block and the direction stop block can be guaranteed; and on the other hand, the working procedures are effectively reduced, the operation is simple and convenient, and the welding efficiency is greatly enhanced.

Description

Motorcycle Riser Welding Tooling

technical field

The invention belongs to the technical field of fixtures, and in particular relates to welding fixtures for motorcycle standpipes.

Background technique

The seat tube is located at the very front of the motorcycle frame and is used to pass through the steering column. A direction lock block and a direction limit block are respectively welded on the upper and lower ends of the motorcycle standpipe, so as to lock the front of the motorcycle when the motorcycle is parked and prevent it from being stolen. A label hole is provided under the direction lock block for installing a label.

At present, when each motorcycle manufacturer welds the vehicle frame, it needs to position the direction locking block and the direction limiting block respectively by means of two toolings, so that the direction locking block and the direction limiting block can be welded on the standpipe. Using two tooling for positioning is not only complicated in process, cumbersome in operation, low in efficiency, but also difficult in alignment, and it is difficult to ensure the accuracy of the installation position of the direction lock block or the direction limit block. The sign hole on the standpipe is usually drilled with a hand drill after the frame of the whole vehicle is welded. Because the frame is not well positioned, it is easy to swing when drilling. On the one hand, it will increase the difficulty of drilling. It will cause inaccurate hole positions of the signage holes, making it difficult to meet the requirements of consistent production.

Contents of the invention

The technical problem to be solved by the present invention is to provide an accurate and reliable motorcycle riser welding tool.

The technical scheme of the present invention is as follows: a motorcycle riser welding tool, including a base, a first positioning plate, a second positioning plate, a bracket, a positioning block, a vertical plate, a third positioning plate, a quick clip, a guide column, and a guide seat , the first positioning seat and the second positioning seat, the first positioning plate and the second positioning plate are fixed on the base, wherein the first positioning plate is equipped with a bracket, the top of the bracket has a suspended section, and the top surface of the suspended section is opened There is a first positioning through slot; a positioning block and a vertical plate are fixed on the second positioning plate, and a second positioning through slot is opened on the top surface of the positioning block, and the second positioning through slot is located in the first positioning through slot directly below; a third positioning plate is fixed on the top of the vertical plate, a quick clip is installed on the upper end of the third positioning plate, and the connecting rod of the quick clip is connected with the upper end of the guide column, and the guide column passes through On the guide seat at the lower end of the three positioning plates, and the lower end of the guide column is provided with a first positioning seat; directly below the first positioning seat is provided with a second positioning seat, which is fixed on the second positioning plate , and located between the positioning block and the riser.

With the above technical scheme, the width of the first positioning slot is adapted to the width of the direction locking block, and is used for positioning the direction locking block; the width of the second positioning slot is adapted to the width of the direction limiting block, and is used for positioning the direction locking block. Limit block positioning. When the present invention is used for standpipe welding, the standpipe is first placed on the second positioning seat, and then the quick clamp is controlled so that the connecting rod of the quick clamp drives the guide column to move downward until the first positioning seat at the lower end of the guide column is pressed The standpipe is combined with the first and second positioning seats to clamp and position the standpipe; at this time, place the direction lock block in the first positioning channel, so that the installation surface of the direction lock block fits the circumferential surface of the upper end of the standpipe , and then place the direction limiting block in the second positioning through groove, so that the installation surface of the direction limiting block fits with the circumferential surface of the lower end of the riser. After the standpipe, the direction locking block and the direction limiting block are all set, the direction locking block and the direction limiting block can be welded to the standpipe by gas shielded welding.

In the present invention, the positions of the first positioning through groove, the second positioning through groove and the positioning seat are determined according to the mutual cooperation orientation between the direction locking block, the direction limiting block and the column, and the direction locking block, Simultaneous positioning of the direction limiting block and the column, not only reliable positioning, can ensure the accuracy of the installation position of the direction locking block and the direction limiting block, but also effectively reduce the process, the operation is simple and fast, and can greatly improve the welding efficiency.

A first small column is installed in the first positioning slot, a second small column is installed in the second positioning slot, and the axes of the first and second small columns are on the same vertical line. With the above structure, the first small column is combined with the groove walls on both sides of the first positioning channel to limit the three sides around the direction lock block, and the fourth side around the direction lock block is restricted by the riser. This effectively prevents the direction lock block from shaking during welding, and can ensure the welding quality of the direction lock block while increasing the welding speed; similarly, the combination of the second small column and the two sides of the second positioning through groove, the opposite direction The three-side limit on the periphery of the limit block, coupled with the restriction of the fourth side on the periphery of the direction limit block by the standpipe, can prevent the direction limit block from shaking during welding.

A positioning pin is horizontally pierced on the suspended section at the top of the support, and the positioning pin is located in the same vertical plane as the first small column and the second small column. For the above structure, a sign hole can be drilled on the standpipe in advance, which is more convenient to process, and the hole position is easy to determine; after the sign hole is drilled, the standpipe is positioned between the first and second positioning seats, so that the standpipe The sign hole on the top is facing the positioning pin, and then the positioning pin is controlled to move in the direction of the standpipe, so that the end of the positioning pin is inserted into the sign hole to enhance the reliability of the positioning of the standpipe and prevent the standpipe from rotating. The above work is done After it is finished, the positioning and welding of the direction lock block and the direction limit block can be carried out.

In order to simplify the structure and facilitate fabrication, the bracket is in the shape of a "7".

The quick clamp is composed of a handle, a support, a clip and a connecting rod, wherein the support is installed on the upper end of the third positioning plate, the lug at the upper end of the support is hinged with the end of the corner end of the handle, and the corner of the corner end of the handle is The upper end of the two clips is hinged at the upper end of the two clips, and the lower end of the two clips is hinged with the upper end of the connecting rod. The connecting rod passes through the bushing at the lower end of the support, and the lower end of the connecting rod is screwed with the upper end of the guide column. . The above structure is simple and reliable, easy to assemble, flexible to operate, easy to operate and labor-saving.

A circular first boss is integrally formed on the bottom of the first positioning seat, and a circular second boss is integrally formed on the top of the second positioning seat. When the above structure is positioned against the standpipe, the first boss extends into the upper port of the standpipe, and the second boss extends into the lower port of the standpipe. The combination of the first and second bosses can prevent the standpipe from shaking and The offset makes the positioning of the standpipe more accurate and reliable.

Beneficial effects: the invention can make the standpipe drill the sign hole first and then perform the welding operation. During welding, the direction lock block, the direction limit block and the column can be positioned at the same time. On the one hand, the positioning is reliable, and the sign hole and the direction lock can be ensured. The accuracy of the position of the block and the direction limit block meets the requirements of consistent production; on the other hand, the process is effectively reduced, the operation is simple and fast, and the welding efficiency is greatly improved. It is especially suitable for the mass production of motorcycle frames. the

Description of drawings

Fig. 1 is a structural schematic diagram of the present invention.

Fig. 2 is a reference diagram of the use state of the present invention.

Detailed ways

Below in conjunction with accompanying drawing and embodiment the present invention will be further described:

As shown in Figure 1, the present invention consists of a base 1, a first positioning plate 2, a second positioning plate 3, a bracket 4, a positioning block 5, a vertical plate 6, a third positioning plate 7, a quick clip 8, a guide column 9, a guide Seat 10, first positioning seat 11, second positioning seat 12, first small column 13, second small column 14 and positioning pin 15 constitute, wherein base 1 is a rectangular plate structure, on the upper plate surface of base 1 through bolts or The first positioning plate 2 and the second positioning plate 3 are welded and fixed. The first and second positioning plates 2 and 3 are flat plate structures, and the first positioning plate 2 is located on the rear side of the second positioning plate as shown in the left part of the figure. The bracket 4 is in the shape of a "7", and the bottom end of the bracket 7 is welded on the upper surface of the first positioning plate 2, and the suspended section 4a at the top of the bracket 4 extends forward, and the top surface of the suspended section 4a has left and right through holes. The first positioning through groove 4b is welded with the first small column 13 in the first positioning through groove 4b. A positioning pin 15 is horizontally pierced on the suspended section 4 a at the top of the bracket 4 , and the positioning pin 15 is located below the first small column 13 .

As can be seen from FIG. 1 , a positioning block 5 , a second positioning seat 12 and a vertical plate 6 are sequentially fixed on the upper surface of the second positioning plate 3 from left to right. Wherein the top surface of positioning block 5 has the second positioning through groove 5a that runs through from left to right. Column 14, the axis line of the second small column 14 is on the same vertical line as the axis line of the first small column 13, and the first and second small columns 13, 14 and positioning pin 15 are located on the same vertical line in plane.

It can be further seen from Fig. 1 that the second positioning seat 12 is located between the positioning block 5 and the vertical plate 6, and is close to the right side of the positioning block 5, and a circular second protrusion is integrally formed on the top of the second positioning seat 12. Platform 12a, the diameter of the second boss 12a is adapted to the inner diameter of the lower port of the riser to be welded. The third positioning plate 7 is installed on the left side plate surface at the top of the vertical plate 6, the upper end of the third positioning plate 7 left side plate surface is equipped with a quick clamp 8, and the lower end is equipped with a guide seat 10, and the bottom surface of the guide seat 10 is higher than the support 4 the top of. Described fast clip 8 is made of handle 8a, bearing 8b, connecting rod 8d and two clips 8c, and wherein bearing 8b is connected with the upper end of the 3rd positioning plate 7 by bolt, and the upper end of this bearing 8b is provided with toward the left The side lug 8b1 and the lower end of the support 8b are provided with a bushing 8b2. The bushing 8b2 is located directly below the lug 8b1, and there are two symmetrically arranged clips 8c between them. One end of the handle 8a corresponding to the support 8b is an upwardly bent corner structure, the end of the corner end of the handle 8a is hinged with the lug 8b1 on the support 8b, and the corner of the handle 8a is hinged with the upper ends of the two clips 8c , the lower ends of the two clips 8c are hinged to the upper end of the connecting rod 8d, the connecting rod 8d passes through the bushing 8b2 at the lower end of the support 8b, and the lower end of the connecting rod 8d is screwed to the upper end of the guide post 9. The guide column 9 is installed on the guide seat 10, the axis line of the guide column 9 and the axis line of the connecting rod 8d are on the same vertical line, and the lower end of the guide column 9 is provided with a first positioning seat 11, which The first positioning seat 11 is located directly above the second positioning seat 12, and a circular first boss 11a is integrally formed on the bottom of the first positioning seat 11, and the bottom surface of the first boss 11a faces the second boss 12a The diameter of the first boss 11a is adapted to the inner diameter of the port on the riser to be welded.

The working principle of the present invention is as follows:

As shown in Fig. 2 and in conjunction with Fig. 1 , first drill a sign hole on the standpipe 16, then place the standpipe 16 on the second positioning seat 12, so that the lower port of the standpipe 16 is inserted into the second boss 12a, And the label hole on the standpipe 16 faces the positioning pin 15, and then controls the positioning pin 15 to move towards the direction of the standpipe 16, so that the end of the positioning pin 15 is inserted in the label hole, and then holds the handle 8a of the quick clamp 8 to Press down, the handle 8a drives the connecting rod 8d to move vertically downward under the guidance of the bushing 8b2 through the clip 8c, and the connecting rod 8d pushes the guide post 9 downward, so that the guide post 9 is also vertical under the guidance of the guide seat 10 Move down until the first positioning seat 11 at the lower end of the guide column 9 presses the standpipe 16, and the first boss 11a on the first positioning seat 11 stretches into the upper port of the standpipe 16, the first and second positioning Seats 11, 12 are combined with positioning pins 15 to clamp and position standpipe 16. At this time, the direction lock block 17 is placed in the first positioning through groove 4b, so that the installation surface of the direction lock block 16 is fitted to the circumferential surface of the upper end of the standpipe 16, and the four directions on the side of the direction lock block 17 are respectively controlled by the first The groove walls on both sides of the positioning through groove 4b, the first small column 13 and the standpipe 16 are restricted, and the positioning is good, and no shaking will occur; then the direction limiting block 18 is placed in the second positioning through groove 5a, so that the direction limiting block The mounting surface of 18 fits with the circumferential surface of the standpipe 16 lower ends, and the four directions of the direction limit block 18 peripheral sides are respectively restricted by the groove walls on the two sides of the second positioning through groove 5a, the second small column 14 and the standpipe 16, and also Shaking does not occur. After the standpipe 16, the direction locking block 17 and the direction limiting block 18 are all set, the direction locking block 17 and the direction limiting block 18 can be welded to the standpipe 16 by gas shielded welding. After the welding is completed, lift up the handle 8a of the quick clip 8 to make the first positioning seat 11 move upwards and leave the standpipe 16, and after the welded standpipe is taken off, the next assembly can be carried out.

Claims (6)

1. motorcycle standpipe welding tooling, it is characterized in that: on base (1), be fixed with first location-plate (2) and second location-plate (3), wherein on first location-plate (2) support (4) is housed, the top of this support (4) has unsettled section (4a), has the first location groove (4b) at the end face of unsettled section (4a); On described second location-plate (3), be fixed with locating piece (5) and riser (6), the end face of described locating piece (5) have second the location groove (5a), this second the location groove (5a) be positioned at first the location groove (4b) under; Be fixed with the 3rd location-plate (7) at the top of described riser (6), fast folder (8) is installed in the upper end of the 3rd location-plate (7), the connecting rod of described fast folder (8) is connected with the upper end of lead (9), this lead (9) is located on the guide holder (10) of the 3rd location-plate (7) lower end, and the lower end of lead (9) is provided with first positioning seat (11); Be provided with second positioning seat (12) under described first positioning seat (11), this second positioning seat (12) is fixed on second location-plate (3), and is positioned between locating piece (5) and the riser (6).

2. motorcycle standpipe welding tooling according to claim 1, it is characterized in that: in the described first location groove (4b), first post (13) is housed, in the second location groove (5a) second post (14) is housed, the axial line of described first, second post (13,14) is on same vertical curve.

3. motorcycle standpipe welding tooling according to claim 2, it is characterized in that: unsettled section (4a) at described support (4) top goes up level and is equipped with alignment pin (15), this alignment pin (15) is positioned at the below of first post (13), and alignment pin (15) is positioned at same perpendicular with first post (13) and second post (14).

4. according to claim 1 or 2 or 3 described motorcycle standpipe welding toolings, it is characterized in that: described support (4) is " 7 " font.

5. motorcycle standpipe welding tooling according to claim 1, it is characterized in that: described fast folder (8) is by handle (8a), bearing (8b), intermediate plate (8c) and connecting rod (8d) constitute, wherein bearing (8b) is installed on the upper end of the 3rd location-plate (7), the journal stirrup (8b1) of this bearing (8b) upper end is hinged with the end of handle (8a) turning end, the corner of described handle (8a) turning end and the upper end of two intermediate plates (8c) are hinged, the upper end of the lower end of two intermediate plates (8c) and connecting rod (8d) is hinged, described connecting rod (8d) passes from the lining (8b2) of bearing (8b) lower end, and the lower end of connecting rod (8d) is threaded with the upper end of lead (9).

6. motorcycle standpipe welding tooling according to claim 1 or 5, it is characterized in that: be formed with circular first boss (11a) in the bottom of described first positioning seat (11), the top of described second positioning seat (12) is formed with circular second boss (12a).

Images