Welding tool for box body of skid loader

Abstract

The utility model relates to the technical field of welding tools, in particular to a skid loader box body welding tool which comprises a positioner body, the positioner body is provided with an L-shaped mounting frame in a rotating structure mode, and a box body is convenient to take and place; a plurality of pairs of welding clamping air cylinders A are arranged on the mounting frame in a fixed structure mode, every two opposite welding clamping air cylinders A form a pair, swing arms of the welding clamping air cylinders A are provided with pressing arms in a fixed structure mode, and rubber pads are arranged on the inner end faces of the pressing arms in a fixed structure mode, so that clamping is convenient; the mounting frame is provided with two rotary pressing air cylinders in a fixed structure mode, and the two rotary pressing air cylinders are oppositely arranged. The welding clamping air cylinder A and the rotary pressing air cylinder are used for clamping the side protection plate and the connecting plate of the box so that the box can be fixed to the mounting frame, interference to a welding path is reduced, and the welding efficiency is improved.

Description

Technical field:

[0001] The present application relates to the technical field of welding tooling, and in particular to a welding tooling for a skid loader casing. Background technology:

[0002] A skid loader is also called a skid-type loader, a multi-functional engineering vehicle, or a multi-functional engineering machine. It is a wheeled special chassis equipment that uses the linear speed difference of the wheels on both sides to achieve vehicle steering. It is mainly used in situations where the work site is small, the ground is uneven, and the work content changes frequently;

[0003] For example: Chinese utility model patent with application number 201922169135.1 - a skid loader, including a chassis frame, a cab, a main beam and a bucket; the chassis frame and the walking system are assembled to form a mobile chassis of the skid loader, and the power system of the skid loader is installed at the rear of the chassis frame; the cab is flipped and arranged at the front of the chassis frame, and the cab is horizontally placed on the chassis frame when the telescopic support rod is retracted, and flipped forward when the telescopic support rod is extended; the tail end of the main beam is movably hinged to the tail of the chassis frame through a four-bar linkage mechanism, and the bucket is installed at the front end of the main beam, and a loading and unloading cylinder for driving loading and unloading is installed between the bucket and the main beam, and a lifting cylinder for driving the main beam to swing up and down to realize the lifting of the bucket is installed between the main beam and the chassis frame.

[0004] The chassis frame in this patent is also called a box body. This structure is composed of side guard plates, connecting plates, rotating shafts and other parts. It needs to be assembled on the tooling and then spot welded and fixed. It then needs to be removed from the tooling and fully welded manually or by a welding robot. The position of the box body needs to be adjusted multiple times to achieve the purpose of welding, which is labor-intensive and inefficient. Utility model content:

[0005] In order to solve the above technical problems, the utility model provides a skid loader box welding tool, which solves the technical problem that during the full welding process, the position of the box needs to be adjusted many times, which is labor-intensive and inefficient. In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0006] Skid steer loader box welding tooling, including:

[0007] The positioner body is provided with a mounting frame in a rotating structure;

[0008] A plurality of pairs of welding clamping cylinders A, two welding clamping cylinders A arranged opposite to each other constitute a pair, and each pair of welding clamping cylinders A is connected to the mounting frame in a fixed structure manner;

[0009] The pressing arm is connected to the swing arm of the welding clamping cylinder A in a fixed structure;

[0010] Welding clamping cylinder B, welding clamping cylinder B is connected to the mounting frame in a fixed structure manner;

[0011] The welding clamping cylinder C is connected to the mounting frame in a fixed structure, and the swing arm of the welding clamping cylinder C is away from the swing arm of the welding clamping cylinder B;

[0012] A fixed arm, the fixed arm is respectively connected with the swing arm of the welding clamping cylinder B and the swing arm of the welding clamping cylinder C in a fixed structure mode, the fixed arm is provided with a movable arm in a hinged structure mode, and a presser foot is provided inside the movable arm;

[0013] The two rotary downward pressing cylinders are connected to the mounting frame in a fixed structure mode, and the two rotary downward pressing cylinders are arranged opposite to each other.

[0014] Further, the mounting frame is provided with a vertical plate in a fixed structure manner;

[0015] The welding clamping cylinder B and the welding clamping cylinder C are respectively arranged on both sides of the vertical plate.

[0016] Furthermore, one end of the fixed arm is hingedly connected to the middle of the movable arm, and pins are slidably arranged at both ends of the movable arm. One end of the pin passes through the movable arm and is connected to the presser foot, and a spring is arranged on the pin sleeve between the presser foot and the movable arm.

[0017] Furthermore, a bolt is provided at the rotating arm of the rotary downward pressure cylinder, and one end of the bolt away from the nut passes through the rotating arm of the rotary downward pressure cylinder through threaded engagement. A nut A is provided on the lower end surface of the rotating arm of the rotary downward pressure cylinder, and the nut A is connected to the bolt through threaded engagement.

[0018] Furthermore, a nut B is arranged between the nut A and the nut, and the nut B is connected to the bolt by threaded engagement.

[0019] Furthermore, the mounting frame is arranged in an L-shaped structure.

[0020] Furthermore, a rubber pad is provided on the inner end surface of the pressure arm in a fixed structure manner.

[0021] Furthermore, a cushion block is fixedly arranged on the mounting frame between the two rotating downward-pressing cylinders.

[0022] The beneficial effects of the utility model are as follows: the side guard plates and the connecting plates of the box body are clamped by the welding clamping cylinder A and the rotating downward pressing cylinder to fix the box body on the mounting frame, thereby reducing interference with the welding path and improving the welding efficiency; through the rotation of the positioner, welding at different angles and sides can be satisfied, thereby improving the level of automation.

[0023] By arranging fixed arms, movable arms and pressure feet to support the inside of the box, the box head can be prevented from sagging, the stability of the box can be increased, and the quality of welding can be improved. Description of the drawings:

[0024] Figure 1 It is a three-dimensional structural schematic diagram of the utility model without the positioner body.

[0025] Figure 2 This utility model Figure 1 A is a schematic diagram of the enlarged structure shown in FIG.

[0026] Figure 3 It is a schematic structural diagram of an embodiment of the utility model.

[0027] In the figure:

[0028] 1. Mounting frame, 2. Welding clamping cylinder A, 3. Pressing arm, 4. Welding clamping cylinder B, 5. Welding clamping cylinder C, 6. Fixed arm, 7. Movable arm, 8. Presser foot, 9. Rotating pressing cylinder, 10. Vertical plate, 11. Welding clamping cylinder B, 12. Spring, 13. Bolt, 14. Nut A, 15. Nut B, 16. Rubber pad, 17. Cushion block. Specific implementation method:

[0029] In order to make the purpose, technical scheme and advantages of the implementation of the utility model clearer, the utility model will now be further described in detail with reference to the accompanying drawings and the following examples so that the public can better understand the implementation method of the utility model. The specific implementation scheme of the utility model is as follows:

[0030] The welding tooling of the skid loader box includes a positioner body, which is provided with an L-shaped mounting frame 1 in a rotating structure to facilitate the placement of the box; the mounting frame 1 is provided with a plurality of pairs of welding clamping cylinders A2 in a fixed structure, and two oppositely arranged welding clamping cylinders A2 form a pair, and the swing arm of the welding clamping cylinder A2 is provided with a pressure arm 3 in a fixed structure, and the inner end surface of the pressure arm 3 is provided with a rubber pad 16 in a fixed structure to facilitate clamping; the mounting frame 1 is provided with two rotating downward pressure cylinders 9 in a fixed structure, and the two rotating downward pressure cylinders 9 are arranged opposite to each other. The side guard plate and the connecting plate of the box are clamped by the welding clamping cylinder A and the rotating downward pressure cylinder to fix the box on the mounting frame, thereby reducing interference with the welding path and improving welding efficiency; through the rotation of the positioner, welding at different angles and sides can be satisfied, thereby improving the level of automation.

[0031] It should be noted that a bolt 13 is provided at the rotating arm of the rotary downward pressure cylinder 9, and the end of the bolt 13 away from the nut passes through the rotating arm of the rotary downward pressure cylinder 9 through threaded engagement. A nut A14 is provided on the lower end surface of the rotating arm of the rotary downward pressure cylinder 9, and the nut A14 is connected to the bolt 13 through threaded engagement. Through the design of the bolt 13, the downward pressure distance can be adjusted according to different box plate thicknesses, thereby increasing practicality.

[0032] Furthermore, a nut B15 is provided between the nut A14 and the nut cap, and the nut B15 is connected to the bolt 13 by threaded engagement. The cooperation between the nut A14 and the nut B15 prevents the nut A14 from loosening, improves the structural stability, and ensures a precise downward pressing distance.

[0033] It should be explained that a cushion block 17 is fixedly provided on the mounting frame 1 between the two rotating downward-pressing cylinders 9 to play a supporting role and prevent the mounting frame 1 from interfering with the welding of the box body.

[0034] On the basis of the above embodiments, in the present embodiment, the mounting frame 1 is provided with a vertical plate 10 in a fixed structure manner, and a welding clamping cylinder B4 and a welding clamping cylinder C5 are respectively provided in a fixed manner on both sides of the vertical plate 10, and the swing arm of the welding clamping cylinder C5 is away from the swing arm of the welding clamping cylinder B4; the swing arm of the welding clamping cylinder B4 and the swing arm of the welding clamping cylinder C5 are provided with a fixed arm 6 in a fixed structure manner, and the fixed arm 6 is provided with a movable arm 7 in an articulated structure manner, and a pressure foot 8 is provided on the inner side of the movable arm 7. By providing the fixed arm, the movable arm and the pressure foot, the interior of the box is supported to prevent the occurrence of the box head drooping phenomenon, increase the stability of the box, and improve the quality of welding.

[0035] It should be noted that one end of the fixed arm 6 is hingedly connected to the middle part of the movable arm 7, and pins 11 are provided at both ends of the movable arm 7 in a sliding manner. One end of the pin 11 passes through the movable arm 7 and is connected to the presser foot 8, and a spring 12 is provided on the outer sleeve of the pin 11 between the presser foot 8 and the movable arm 7. Through the secondary assist structure design, the pressure can be well transmitted to the box body even if it is clamped on an uneven place.

[0036] The working principle and working process of the utility model are as follows:

[0037] First, adjust the distance between bolt 13 and pad 17 according to the thickness of the box side plate. After determining, screw nut A14 to the lower end surface of the rotating arm of the rotating downward pressure cylinder 9, and then screw nut B15 until it fits with nut A14.

[0038] The assembled and spot-welded box is hoisted in the mounting frame 1, and one side of the box is attached to the side of the cushion block 17. The rotating downward pressure cylinder 9 is started, and the side wall of the box is clamped on the cushion block 17 by the bolt 13. At the same time, the welding clamping cylinder A is started, and the welding clamping cylinder A clamps the side guard plate of the box through the pressure arm 3.

[0039] Then start the welding clamping cylinder B4 and the welding clamping cylinder C5, and drive the movable arm 7 to rotate through the fixed arm 6 until the pressure foot 8 contacts the box body to press the box body. When welding is performed using the welding robot, the box body is driven to rotate through the mounting frame 1 through the positioner body to meet the welding needs of different welds.

[0040] In the description of the present invention, it should be understood that the terms "center", "upper", "lower", "left", "right", "front", "back", "lower left", "upper right", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance. Although the present invention has been described according to a limited number of embodiments, those skilled in the art, with the benefit of the above description, should understand that other embodiments can be conceived within the scope of the present invention described thereby.

Claims

1. Skid steer loader case welding tooling, characterized in that: include: A positioner body, wherein the positioner body is provided with a mounting frame (1) in a rotating structure; A plurality of pairs of welding clamping cylinders A (2), two welding clamping cylinders A (2) arranged opposite to each other form a pair, and each pair of welding clamping cylinders A (2) is connected to the mounting frame (1) in a fixed structural manner; A pressing arm (3), the pressing arm (3) is connected to the swing arm of the welding clamping cylinder A (2) in a fixed structure manner; A welding clamping cylinder B (4), the welding clamping cylinder B (4) is connected to the mounting frame (1) in a fixed structure manner; A welding clamping cylinder C (5), the welding clamping cylinder C (5) is connected to the mounting frame (1) in a fixed structure, and the swing arm of the welding clamping cylinder C (5) is away from the swing arm of the welding clamping cylinder B (4); A fixed arm (6), the fixed arm (6) is respectively connected to the swing arm of the welding clamping cylinder B (4) and the swing arm of the welding clamping cylinder C (5) in a fixed structure manner, the fixed arm (6) is provided with a movable arm (7) in an articulated structure manner, and a presser foot (8) is provided inside the movable arm (7); The two rotary downward pressing cylinders (9) are connected to the mounting frame (1) in a fixed structure manner, and the two rotary downward pressing cylinders (9) are arranged opposite to each other.

2. The skid loader case welding tool according to claim 1, characterized in that: The mounting frame (1) is provided with a vertical plate (10) in a fixed structure manner; The welding clamping cylinder B (4) and the welding clamping cylinder C (5) are respectively arranged on both sides of the vertical plate (10).

3. The skid steer loader casing welding tool according to claim 1, characterized in that: One end of the fixed arm (6) is hingedly connected to the middle of the movable arm (7), and pins (11) are slidably arranged at both ends of the movable arm (7). One end of the pin (11) passes through the movable arm (7) and is connected to the presser foot (8), and a spring (12) is arranged on the outer sleeve of the pin (11) between the presser foot (8) and the movable arm (7).

4. The skid steer loader casing welding tool according to claim 1, characterized in that: A bolt (13) is arranged at the rotating arm of the rotary downward pressure cylinder (9), and one end of the bolt (13) away from the nut passes through the rotating arm of the rotary downward pressure cylinder (9) through threaded engagement. A nut A (14) is arranged on the lower end surface of the rotating arm of the rotary downward pressure cylinder (9), and the nut A (14) is connected to the bolt (13) through threaded engagement.

5. The skid steer loader casing welding tool according to claim 4, characterized in that: A nut B (15) is arranged between the nut A (14) and the nut cap, and the nut B (15) is connected to the bolt (13) by thread engagement.

6. The skid steer loader casing welding tool according to claim 4, characterized in that: The mounting frame (1) is arranged in an L-shaped structure.

7. The skid loader case welding tool according to claim 4, characterized in that: The inner end surface of the pressure arm (3) is provided with a rubber pad (16) in a fixed structure manner.

8. The skid steer loader casing welding tool according to claim 4, characterized in that: A cushion block (17) is fixedly arranged on the mounting frame (1) between the two rotating downward-pressing cylinders (9).

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