Frame machining fixture for skid steer loader

Abstract

The utility model relates to the technical field of tool fixtures, and discloses a skid loader frame machining fixture which comprises a machining platform, rear positioning seats are symmetrically arranged at two sides of one end of the machining platform, concentric rods are arranged at the upper ends of the rear positioning seats, the concentric rods are connected with the rear positioning seats through upper end covers, and the lower end covers are connected with the rear positioning seats. A middle positioning assembly is arranged in the middle of the other end of the machining platform, a clamping screw penetrating through the rear positioning seat is arranged on the side face of the rear positioning seat, and the clamping screw is connected to the rear positioning seat in a threaded mode. According to the machining fixture for the frame of the skid steer loader, three-point positioning can be carried out on the frame through the middle positioning assembly, the left concentric rod welding part and the right concentric rod welding part; the frame is laterally clamped through a left clamping screw rod and a right clamping screw rod; the frame is clamped in the vertical direction through the middle clamping device, the rear clamping device, the front clamping device and the front jacking assembly, the frame is rapidly and accurately positioned and clamped, and the machining quality and efficiency of the frame are greatly improved.

Description

Technical Field

[0001] This utility model relates to the field of tooling and fixture technology, specifically to a machining fixture for a skid steer loader frame. Background Technology

[0002] Skid steer loaders are becoming increasingly widely used in my country, with domestic production and sales increasing year by year. However, machining the skid steer loader chassis presents challenges due to difficulties in chassis positioning, leading to machining errors and defects, and a high scrap rate. Utility Model Content

[0003] The technical problem this invention aims to solve is the high scrap rate in the manufacturing of skid steer loaders due to inaccurate frame positioning.

[0004] To solve the above-mentioned technical problems, the technical solution of this utility model is to provide a machining fixture for a skid steer loader frame, including a machining platform. One end of the machining platform is provided with symmetrical rear positioning seats on both sides. A concentric bar is provided on the upper end of the rear positioning seats. The concentric bar is connected to the rear positioning seats through an upper end cover. A center positioning component is provided in the middle of the other end of the machining platform. A clamping screw is provided on the side of the rear positioning seats, penetrating the rear positioning seats. The clamping screw is threaded onto the rear positioning seats.

[0005] Optionally, a rear clamping device is provided between the two rear positioning seats. The rear clamping device includes a telescopic cylinder rod, the bottom of which is connected to the machining platform and the top is covered with a rubber pad.

[0006] Optionally, the machining platform is provided with a slide rail extending to both ends in the middle, the central positioning component is provided in the slide rail and can slide along the slide rail, and the top of the central positioning component is provided with a rubber pad.

[0007] Optionally, a center clamping device is provided on the slide rail between the center positioning component and the rear positioning seat. The center clamping device includes a telescopic cylinder rod 2. The bottom of the telescopic cylinder rod 2 is located in the slide rail and can slide along the slide rail. The top is provided with a transverse support plate perpendicular to the slide rail.

[0008] Optionally, a front clamping assembly is provided at one end of the machining platform opposite to the rear positioning seat. The front clamping assembly includes a clamping block, and a rubber pad is provided at the upper end of the clamping block.

[0009] Optionally, a symmetrical front clamping device is provided on the machining platform at the end where the front clamping assembly is located. The front clamping device includes a vertical rod and a horizontal rod. The vertical rod is vertically connected to the machining platform, and the horizontal rod is connected to the upper end of the vertical rod.

[0010] In summary, the present invention provides a machining fixture for skid steer loader frames. This fixture enables three-point positioning of the frame via a central positioning component and two concentric bars welded together on either side. It also provides lateral clamping of the frame via two clamping screws on either side, and vertical clamping via a central clamping device, a rear clamping device, a front clamping device, and a front top clamping component. This allows for rapid and accurate positioning and clamping of the frame, significantly improving the quality and efficiency of frame machining. Attached Figure Description

[0011] Figure 1 This is a three-dimensional schematic diagram of the machining fixture for the skid steer loader frame of this utility model;

[0012] Figure 2 This is a front view of the clamping fixture for machining the skid steer loader frame according to this utility model;

[0013] In the diagram: 1. Machining platform; 2. Rear positioning seat; 3. Clamping screw; 4. Concentric bar; 5. Upper end cover; 6. Middle clamping device; 7. Rear clamping device; 8. Front clamping device; 9. Front clamping assembly; 10. Middle positioning assembly. Detailed Implementation

[0014] The following combination Figure 1-2 The present invention will be described in further detail below.

[0015] This utility model discloses a machining fixture for a skid steer loader chassis, with reference to... Figure 1 The machine platform 1 includes a machining platform 1. One end of the machining platform 1 is provided with two symmetrical rear positioning seats 2. The upper end of the rear positioning seat 2 is provided with a concentric rod 4. The concentric rod 4 is connected to the rear positioning seat 2 through an upper end cover 5. The other end of the machining platform 1 is provided with a middle positioning component 10. The side of the rear positioning seat 2 is provided with a clamping screw 3 that penetrates the rear positioning seat 2. The clamping screw 3 is threadedly connected to the rear positioning seat 2.

[0016] In a further embodiment, a rear clamping device 7 is provided between the two rear positioning seats 2. The rear clamping device 7 includes a telescopic cylinder rod 1, the bottom of which is connected to the machining platform 1, and the top is covered with a rubber pad.

[0017] In a further embodiment, the machining platform 1 is provided with a slide rail extending to both ends in the middle, the middle positioning component 10 is provided in the slide rail and can slide along the slide rail, and the top of the middle positioning component 10 is provided with a rubber pad; the slide rail between the middle positioning component 10 and the rear positioning seat 2 is provided with a middle clamping device 6, the middle clamping device 6 includes a telescopic cylinder rod 2, the bottom of the telescopic cylinder rod 2 is provided in the slide rail and can slide along the slide rail, and the top is provided with a transverse support plate perpendicular to the slide rail.

[0018] In a further embodiment, a front clamping assembly 9 is provided at one end of the machining platform 1 opposite to the rear positioning seat 2. The front clamping assembly 9 includes a clamping block, and a rubber pad is provided at the upper end of the clamping block. A symmetrical front clamping device 8 is provided on the machining platform 1 at the end where the front clamping assembly 9 is located. The front clamping device 8 includes a vertical rod and a horizontal rod. The vertical rod is vertically connected to the machining platform 1, and one end of the horizontal rod is connected to the upper end of the vertical rod, while the other end is set opposite to it.

[0019] When using this utility model, refer to Figure 2 Place the frame to be processed on the machining platform 1. Position the frame at three points using the center positioning component 10 and one concentric bar 4 on each side. After positioning, clamp the frame laterally using one clamping screw 3 on each side. At the same time, clamp the frame vertically using the center clamping device 6, the rear clamping device 7, the front clamping device 8, and the front clamping component 9. The frame can then be machined.

[0020] When encountering frames with different internal structures, the heights of the middle clamping device 6 and the rear clamping device 7 are adjusted to adapt to frames with different structures, thereby improving the quality and efficiency of frame machining.

[0021] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A machining fixture for a skid steer loader chassis, characterized in that, The machine includes a machining platform (1), one end of which is provided with a rear positioning seat (2) with two symmetrical sides. The upper end of the rear positioning seat (2) is provided with a concentric rod (4), which is connected to the rear positioning seat (2) through an upper end cover (5). The other end of the machine is provided with a middle positioning component (10). The side of the rear positioning seat (2) is provided with a clamping screw (3) that penetrates the rear positioning seat (2), and the clamping screw (3) is threadedly connected to the rear positioning seat (2).

2. The skid steer loader chassis machining fixture according to claim 1, characterized in that, A rear clamping device (7) is provided between the two rear positioning seats (2). The rear clamping device (7) includes a telescopic cylinder rod. The bottom of the telescopic cylinder rod is connected to the machining platform (1), and the top is covered with a rubber pad.

3. The skid steer loader chassis machining fixture according to claim 1, characterized in that, The machining platform (1) has a slide rail extending to both ends in the middle. The central positioning component (10) is located in the slide rail and can slide along the slide rail. The top of the central positioning component (10) is provided with a rubber pad.

4. The skid steer loader chassis machining fixture according to claim 3, characterized in that, A central clamping device (6) is provided on the slide rail between the central positioning component (10) and the rear positioning seat (2). The central clamping device (6) includes a telescopic cylinder rod 2. The bottom of the telescopic cylinder rod 2 is located in the slide rail and can slide along the slide rail. The top is provided with a transverse support plate perpendicular to the slide rail.

5. The skid steer loader chassis machining fixture according to claim 1, characterized in that, The machining platform (1) is provided with a front clamping assembly (9) at one end opposite to the rear positioning seat (2). The front clamping assembly (9) includes a clamping block, and a rubber pad is provided at the upper end of the clamping block.

6. The skid steer loader chassis machining fixture according to claim 5, characterized in that, The front clamping assembly (9) is located on the machining platform (1) with symmetrical front clamping devices (8). The front clamping device (8) includes a vertical rod and a horizontal rod. The vertical rod is vertically connected to the machining platform (1), and the horizontal rod is connected to the upper end of the vertical rod.

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