A fork loader rocker arm tailor-welding tool

Abstract

This application discloses a forklift rocker arm welding fixture. The rocker arm includes a right side plate, a right end plate, an intermediate bushing, an outer rocker arm plate, an inner rocker arm plate, a left side plate, a left end plate, and a flange. The fixture includes a base, on which are provided: a positioning seat for the outer rocker arm plate, a left positioning seat for the left end of the inner rocker arm plate, a flange positioning seat for the rocker arm flange, a positioning seat for the upper left and lower left side plates of the left rocker arm plate, a positioning seat for the upper right and lower right side plates of the right rocker arm plate, a positioning seat for the left and right end plates of the rocker arm, a positioning seat for the left and right reinforcing plates of the rocker arm, a cylinder seat assembly one for externally pressing the outer rocker arm plate and the inner rocker arm plate, a side plate positioning seat for positioning the opening distance between the outer rocker arm plate and the inner rocker arm plate, a bushing side positioning seat and a bushing bottom positioning seat for positioning the intermediate rocker arm bushing, and a cylinder seat assembly two for pressing the outer rocker arm plate and the inner rocker arm plate from the right end. Its simple structure greatly improves welding efficiency.

Description

Technical Field

[0001] This application relates to a welding fixture for a forklift rocker arm, belonging to the technical field of loader manufacturing equipment. Background Technology

[0002] A forklift loader is a special type of loader that requires two rocker arms to operate simultaneously. The rocker arms, as a crucial component of the loader's working device, although simple in structure, play a vital role in connecting the working components during operation; therefore, the rocker arms must possess sufficient strength. Tie rods and the boom are mounted at the front and rear of the rocker arms, respectively. Thus, the rocker arms must not only ensure adequate opening dimensions but also the positional dimensions of the rocker arm's central bushing, left and right end plates, and left and right side plates. For example... Figure 1 As shown, the rocker arm includes a right side plate 1, a right sealing plate 2, an intermediate bushing 3, an outer rocker arm plate 4, an inner rocker arm plate 5, a left side plate 6, a left sealing plate 7, and a flange 8. The existing welding method involves manual assembly, requiring positioning welding, which is labor-intensive and inefficient. Utility Model Content

[0003] The technical problem this application aims to solve is the high labor intensity and low efficiency of manual welding of forklift rocker arms.

[0004] To solve the above-mentioned technical problems, the technical solution of this application is to provide a forklift rocker arm welding fixture. The forklift rocker arm includes a rocker arm outer side plate and a rocker arm inner side plate arranged relatively parallel to each other. An intermediate bushing is fixedly fixed through the middle of the rocker arm outer side plate and the rocker arm inner side plate. The inner side of the right end of the rocker arm outer side plate and the rocker arm inner side plate are fixedly connected by a right sealing plate and externally fixedly covered by a right patch plate. A flange is provided at the left end of the rocker arm outer side plate and the rocker arm inner side plate. The inner side of the rocker arm outer side plate and the rocker arm inner side plate near the flange are fixedly connected by a left sealing plate and externally fixedly covered by a left patch plate.

[0005] Its features are,

[0006] The welding fixture includes a base, on which are provided:

[0007] Position the left positioning seat at the left end of the outer side plate and the inner side plate of the rocker arm.

[0008] Flange positioning seat for positioning rocker arm flange,

[0009] The upper left and lower left plate positioning seats of the left plate of the positioning rocker arm.

[0010] The upper right and lower right plate positioning seats of the right plate of the positioning rocker arm.

[0011] The left and right reinforcing plate positioning seats for the left and right sealing plates of the rocker arm are respectively positioned.

[0012] A cylinder seat assembly for externally pressing the outer and inner plates of the rocker arm together.

[0013] Side plate positioning seat for determining the opening distance between the outer and inner side plates of the rocker arm.

[0014] Positioning rocker arm intermediate bushing: bushing side positioning seat and bushing bottom positioning seat.

[0015] And cylinder seat assembly two for pressing the outer and inner sides of the rocker arm from the right end.

[0016] Preferably, the left positioning seat includes a positioning seat body and a pad, with multiple layers of heightening pads provided between the positioning seat body and the pad, and the height of the positioning seat body can be adjusted by adjusting the number of heightening pads.

[0017] Preferably, the cylinder seat assembly includes two cylinders corresponding to the outer side plate and the inner side plate of the rocker arm, respectively. The cylinder output end is provided with a cylindrical positioning pin, and the corresponding positions of the outer side plate and the inner side plate of the rocker arm are provided with positioning holes. The cylinder output end is aligned and positioned with the positioning pin and the positioning hole.

[0018] Preferably, the upper left and lower left plate positioning seats are provided with grooves matching the shape of the left plate; the upper right and lower right plate positioning seats are provided with grooves matching the shape of the right plate.

[0019] Preferably, the side plate positioning seat includes a positioning seat body and a movable plate that is movably hinged to the positioning seat body. The side plate positioning seat contacts the outer side plate and the inner side plate of the rocker arm through the movable plate. Further, the movable plate is provided with a positioning pin, and the outer side plate and the inner side plate of the rocker arm are provided with positioning holes at corresponding positions, allowing for precise positioning through the cooperation of the positioning pin and the positioning holes.

[0020] This application provides a rocker arm welding fixture, a process equipment specifically designed and manufactured to ensure the dimensional accuracy of the welded rocker arm. With this fixture, the rocker arm can better meet the drawing requirements during production and processing. The advantages of this application are: simple operation, high positioning accuracy, significantly improved work efficiency while reducing the labor intensity of traditional methods, and ease of lifting the rocker arm. Practical experience has proven that this method doubles the welding efficiency of a single piece compared to traditional welding methods. Attached Figure Description

[0021] Figure 1 A schematic diagram of the three-dimensional structure of a forklift crane rocker arm;

[0022] Figure 2 A three-dimensional structural schematic diagram of the forklift rocker arm welding fixture provided by this utility model;

[0023] Figure 3 This is a schematic diagram of the present invention in use. Detailed Implementation

[0024] To make this application more apparent and understandable, preferred embodiments are described in detail below with reference to the accompanying drawings.

[0025] The structure of the forklift rocker arm is as follows Figure 1 As shown, the rocker arm includes an outer rocker arm plate 4 and an inner rocker arm plate 5 arranged in parallel. An intermediate bushing 3 is fixed through the middle of the outer rocker arm plate 4 and the inner rocker arm plate 5. The inner side of the right end (in the position shown in the figure) of the outer rocker arm plate 4 and the inner rocker arm plate 5 is fixedly connected by a right sealing plate 2 and externally covered by a right patch plate 1. A flange 8 is provided at the left end of the outer rocker arm plate 4 and the inner rocker arm plate 5. The inner side of the outer rocker arm plate 4 and the inner rocker arm plate 5 near the flange 8 is fixedly connected by a left sealing plate 7 and externally covered by a left patch plate 6.

[0026] The forklift rocker arm welding fixture provided in this embodiment is described in [reference needed]. Figure 2 Including base 9;

[0027] The base 9 is equipped with

[0028] Positioning rocker arm outer side plate 4, rocker arm inner side plate 5, left positioning seat 10 at the left end

[0029] Flange positioning seat 11 of positioning rocker arm flange 8

[0030] The upper left mounting plate positioning seat 13 and the lower left mounting plate positioning seat 12 of the left mounting plate 6 of the positioning rocker arm

[0031] The upper right plate positioning seat 21 and the lower right plate positioning seat 19 of the right plate of the positioning rocker arm.

[0032] The left reinforcing plate positioning seat 14 and the right reinforcing plate positioning seat 20 respectively position the left sealing plate 7 and the right sealing plate 2 of the rocker arm.

[0033] Cylinder seat assembly 15, used to press the outer side plate 4 and inner side plate 5 of the rocker arm against the outside.

[0034] Side plate positioning seat 16 for the opening distance between the outer side plate 4 and the inner side plate 5 of the rocker arm.

[0035] The positioning rocker arm intermediate bushing 3 includes a bushing side positioning seat 17 and a bushing bottom positioning seat 18, as well as a cylinder seat assembly 22 for pressing the rocker arm outer side plate 4 and rocker arm inner side plate 5 from the right end.

[0036] When using:

[0037] Insert the outer side plate 4 and the inner side plate 5 of the rocker arm in sequence, and position them through the left positioning seat 10 and the side plate positioning seat 16;

[0038] Insert the left sealing plate 7 and the right sealing plate 2 of the rocker arm, and position them using the left reinforcing plate positioning seat 14 and the right reinforcing plate positioning seat 20.

[0039] Use cylinder seat assembly 15 and cylinder seat assembly 22 to press the outer side plate 4 and inner side plate 5 of the rocker arm together.

[0040] Insert the rocker arm flange 8 and position it using the flange positioning seat 11;

[0041] Place the left plate 6 and the right plate 1, and position them respectively using the upper left plate positioning seat 13, the lower left plate positioning seat 12, the upper right plate positioning seat 21, and the lower right plate positioning seat 19.

[0042] Finally, the intermediate bushing 3 is inserted and positioned by the bushing side positioning seat 17 and the bushing bottom positioning seat 18.

[0043] This means that all components are positioned and clamped, and tack welding can be performed (see...). Figure 3 ).

[0044] After the tack welding is completed, operate the cylinder button to return it to its original position. At this time, the rocker arm can be removed and welded, and then the robot welding process can be carried out.

[0045] In a further embodiment, the left positioning seat 10 includes a positioning seat body and a pad, and multiple layers of heightening pads are provided between the positioning seat body and the pad. The height of the positioning seat body can be adjusted by adjusting the number of layers of heightening pads, thereby achieving a more accurate positioning effect.

[0046] In a further embodiment, the cylinder seat assembly 22 includes two cylinders corresponding to the outer side plate 4 and the inner side plate 5 of the rocker arm, respectively. The cylinder output end is provided with a cylindrical positioning pin, and the corresponding positions of the outer side plate 4 and the inner side plate 5 of the rocker arm are provided with positioning holes. The cylinder output end is aligned with the positioning pin and the positioning hole to ensure positioning accuracy.

[0047] In a further embodiment, the upper left plate positioning seat 13 and the lower left plate positioning seat 12 are provided with grooves that match the shape of the left plate 6, and the left plate 6 is placed into the grooves to achieve positioning; similarly, the upper right plate positioning seat 21 and the lower right plate positioning seat 19 are provided with grooves that match the shape of the right plate 1; by designing grooves of specific shapes on the positioning seats, the positioning requirements of the left and right plates are easily solved, and the tedious welding of templates by workers is also saved.

[0048] In a further embodiment, the side plate positioning seat 16 includes a positioning seat body and a movable plate hinged to the positioning seat body. The side plate positioning seat 16 contacts the outer side plate 4 and the inner side plate 5 of the rocker arm through the movable plate. Furthermore, a positioning pin is provided on the movable plate, and positioning holes are provided at corresponding positions on the outer side plate 4 and the inner side plate 5 of the rocker arm. Precise positioning is achieved through the cooperation of the positioning pin and the positioning holes. After the positioning welding is completed, the rocker arm is more easily disengaged from the welding fixture due to the mobility of the movable plate, improving the ease of lifting the rocker arm.

[0049] In a further embodiment, the cylinder used in this embodiment is an SDA cylinder, which is reliable in quality and runs smoothly.

Claims

1. A forklift rocker arm welding fixture, wherein the forklift rocker arm includes a rocker arm outer side plate (4) and a rocker arm inner side plate (5) arranged in parallel, an intermediate bushing (3) is fixedly fixed through the middle of the rocker arm outer side plate (4) and the rocker arm inner side plate (5), the right end of the rocker arm outer side plate (4) and the rocker arm inner side plate (5) are fixedly connected by a right sealing plate (2) and externally fixedly covered by a right patch plate (1), a flange (8) is provided at the left end of the rocker arm outer side plate (4) and the rocker arm inner side plate (5), and the rocker arm outer side plate (4) and the rocker arm inner side plate (5) near the flange (8) are fixedly connected by a left sealing plate (7) and externally fixedly covered by a left patch plate (6); Its features are, The welding fixture includes a base (9), on which are provided: Positioning the left positioning seat (10) at the left end of the outer side plate (4) and the inner side plate (5) of the rocker arm. Flange positioning seat (11) of positioning rocker arm flange (8), The upper left plate positioning seat (13) and the lower left plate positioning seat (12) of the left plate of the positioning rocker arm (6) The upper right plate positioning seat (21) and the lower right plate positioning seat (19) of the right plate of the positioning rocker arm (1) The left reinforcing plate positioning seat (14) and the right reinforcing plate positioning seat (20) of the left sealing plate (7) and right sealing plate (2) of the rocker arm are respectively positioned. A cylinder seat assembly (15) for externally pressing the outer side plate (4) and inner side plate (5) of the rocker arm, Side plate positioning seat (16) for positioning the opening distance between the outer side plate (4) and the inner side plate (5) of the rocker arm. The positioning rocker arm intermediate bushing (3) has a bushing side positioning seat (17) and a bushing bottom positioning seat (18). And a cylinder seat assembly two (22) for pressing the outer side plate (4) and inner side plate (5) of the rocker arm from the right end.

2. The rocker arm tailor-welding fixture of claim 1, wherein, The left positioning seat (10) includes a positioning seat body and a pad. Multiple layers of heightening pads are provided between the positioning seat body and the pad. The height of the positioning seat body can be adjusted by adjusting the number of layers of heightening pads.

3. The forklift crane rocker arm welding fixture as described in claim 1, characterized in that, The cylinder seat assembly 2 (22) includes two cylinders corresponding to the outer side plate (4) and the inner side plate (5) of the rocker arm, respectively. The cylinder output end is provided with a cylindrical positioning pin, and the corresponding positions of the outer side plate (4) and the inner side plate (5) of the rocker arm are provided with positioning holes. The cylinder output end is aligned and positioned with the positioning pin and the positioning hole.

4. The forklift crane rocker arm welding fixture as described in claim 1, characterized in that, The upper left plate positioning seat (13) and the lower left plate positioning seat (12) are provided with grooves that match the shape of the left plate (6); the upper right plate positioning seat (21) and the lower right plate positioning seat (19) are provided with grooves that match the shape of the right plate (1).

5. The forklift crane rocker arm welding fixture as described in claim 1, characterized in that, The side plate positioning seat (16) includes a positioning seat body and a movable plate that is movably hinged to the positioning seat body. The side plate positioning seat (16) contacts the outer side plate (4) of the rocker arm and the inner side plate (5) of the rocker arm through the movable plate.

6. The forklift crane rocker arm welding fixture as described in claim 5, characterized in that, The movable plate is provided with a positioning pin, and the outer side plate (4) and inner side plate (5) of the rocker arm are provided with positioning holes at corresponding positions, so as to accurately position the rocker arm by cooperating with the positioning pin and the positioning hole.

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