Automatic welding device for skid loader frame

Abstract

The utility model provides an automatic welding device for a skid loader frame, which is characterized in that a headstock turntable and a tailstock turntable are positioned at the front end and the rear end of a tool main beam, the tool main beam is fixed at the lower parts of the headstock turntable and the tailstock turntable, a front positioning block is fixedly arranged at the front part of the tool main beam, and an inclined cushion block is arranged at the rear part of the tool main beam; the inclined cushion block is movably connected with the tool main beam through an air cylinder in the front-back direction, the tool main beam is provided with two transverse positioning blocks, the transverse positioning blocks are connected to the tool main beam in a bridging mode in the transverse direction, side check blocks are fixedly arranged on the transverse positioning blocks, zigzag pressing blocks are arranged on the transverse positioning blocks, and the lower ends of the pressing blocks are connected with the transverse positioning blocks. Through the combined use of the transverse positioning piece, the longitudinal positioning piece and the vertical positioning piece, the repeated positioning precision on the welding device is high, the device can be suitable for installing and welding various skid loader frame assemblies with different specifications, sizes and lengths by adjusting or replacing pressing devices in all directions, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of locomotive frame loading, in particular to an automatic welding device for a sliding loader frame. Background Art

[0002] Traditionally, skid loader frame assembly structural parts are usually welded manually. Due to the wide variety of product specifications, the length, width, and height dimensions vary to a certain extent. At the same time, the positions and sizes of the holes in the skid loader frame are also different. In actual operation, there are the following defects: the one-time clamping and welding forming of automated tooling is not achieved, the manual welding quality is unstable, the labor intensity is high, and the manual flipping of the workpiece is unsafe. Summary of the Invention

[0003] The utility model aims to provide an automatic welding device for a skid loader frame.

[0004] In order to achieve the above purpose, the technical solution of the utility model is:

[0005] The rear end of the vehicle frame is fixed with a front positioning block, the front positioning block limits the front end of the vehicle frame, and the rear end of the vehicle frame is provided with an inclined pad, and the inclined pad is movably connected to the vehicle frame by a cylinder along the front and rear directions. The inclined pad supports the rear end of the vehicle frame, and the vehicle frame is provided with two transverse positioning blocks. The transverse positioning blocks are laterally spanned on the vehicle frame, and the transverse positioning blocks are fixed with side stops on the transverse positioning blocks. The side stops limit the left and right sides of the vehicle frame, and the transverse positioning blocks are provided with a zigzag pressing block, the lower end of the pressing block is connected to the transverse positioning block, and the upper end of the pressing block is pressed with the circular hole of the vehicle frame by screws.

[0006] Furthermore, the head frame turntable includes a head frame main board, a head frame bottom plate, a head frame side plate and a head frame upper plate. The head frame bottom plate is fixed to the lower part of the head frame main board along the left-right direction, the head frame side plates are fixed to the left and right sides of the head frame main board vertically, and the head frame upper plate is fixed to the upper part of the head frame side plates along the left-right direction. The head frame upper plate and the head frame bottom plate clamp the front end of the limiting tooling main beam up and down.

[0007] Furthermore, the tailstock turntable includes a tailstock main board, a tailstock bottom plate, a tailstock side plate and a tailstock upper plate, the tailstock bottom plate is fixed to the lower part of the tailstock main board in the left-right direction, the tailstock side plates are vertically fixed to the left and right sides of the tailstock main board, the tailstock upper plate is fixed to the upper part of the tailstock side plates in the left-right direction, and the tailstock upper plate and the tailstock bottom plate clamp the rear end of the limiting tooling main beam up and down.

[0008] Furthermore, the lateral positioning block includes a crossbeam, two positioning base plates are fixedly provided on the left and right sides of the crossbeam, the positioning base plates are provided with sliding grooves along the left and right directions, the clamping block includes a clamping top plate, a clamping side plate and a clamping base plate, a slider is fixed inside the clamping base plate, and the slider is slidably connected to the sliding groove.

[0009] Furthermore, the slider passes through the slide groove vertically, the width of the lower end of the slider is greater than the width of the slide groove, and the upper end of the slider and the clamping base plate are positioned by fixing screws and washers.

[0010] Furthermore, the inclined pad includes a linear cylinder, a cylinder fixing block and a pad body, the linear cylinder is arranged along the front and rear directions, the cylinder fixing block is fixed to the rear part of the tooling main beam, the bottom of the linear cylinder is fixedly connected to the cylinder fixing block, the output shaft of the linear cylinder is fixedly connected to the rear end of the pad body, and the upper end of the pad body is arranged tilted upward from front to back.

[0011] Furthermore, the front positioning block includes a front base plate, a front baffle and a front block, the front base plate and the tooling main beam are fixedly connected by vertical connecting screws, the front baffle is fixed to the rear side of the front base plate, the front block and the rear end of the front baffle are fixedly connected by horizontal connecting screws, and the front block limits the front end of the machine frame.

[0012] Furthermore, the front positioning block includes a reinforcing rib, which is fixed to the front bottom plate along the front-to-back direction, and the rear end of the reinforcing rib is fixedly connected to the front baffle.

[0013] The utility model uses a combination of horizontal, longitudinal and vertical positioning parts, and has high repeat positioning accuracy on the welding device. By adjusting or replacing the clamping devices in various directions, it can be suitable for the installation and welding of skid loader frame components of various specifications, sizes and lengths, thereby improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0015] Figure 2 It is a side structural diagram of the utility model;

[0016] Figure 3 This is a schematic diagram of the top structure of the utility model;

[0017] Figure 4 This is a structural diagram of the headstock turntable of the utility model;

[0018] Figure 5 This is a structural diagram of the tailstock turntable of the utility model;

[0019] Figure 6This is a structural diagram of the main beam of the tooling of the utility model;

[0020] Figure 7 This is a schematic structural diagram of the compression block of the utility model;

[0021] Figure 8 This is a structural diagram of the front positioning block of the utility model;

[0022] Figure 9 This is a schematic structural diagram of the inclined pad of the utility model.

[0023] Reference numerals:

[0024] 1 headstock turntable, 101 headstock main board, 102 headstock bottom board, 103 headstock side board, 104 headstock upper board,

[0025] 2 tailstock turntable, 201 tailstock main plate, 202 tailstock bottom plate, 203 tailstock side plate, 204 tailstock upper plate,

[0026] 3 tooling main beam, 4 pressing block,

[0027] 401 presses the top plate, 402 presses the side plate, 403 presses the bottom plate, 404 slide block,

[0028] 405 fixing screws, 406 washers,

[0029] 5 front positioning block, 501 front base plate, 502 front baffle, 503 front block, 504 vertical connecting screws,

[0030] 505 horizontal connecting screws, 506 reinforcing ribs,

[0031] 6 inclined pads, 601 linear cylinder, 602 cylinder fixing block, 603 pad body,

[0032] 7 side blocks, 8 lateral positioning blocks,

[0033] 801 beam, 802 positioning base plate, 803 slide,

[0034] 9. Motorcycle frame, 10. Round hole. DETAILED DESCRIPTION

[0035] The following is a clear and complete description of the technical solution of the present invention in conjunction with the accompanying drawings. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0036] The utility model discloses an automatic welding device for a skid loader frame. Figures 1 to 3As shown, it includes a headstock turntable 1, a tailstock turntable 2 and a tooling main beam 3. The headstock turntable 1 and the tailstock turntable 2 are located at the front and rear ends of the tooling main beam 3, and the tooling main beam 3 is fixed to the lower part of the headstock turntable 1 and the tailstock turntable 2.

[0037] like Figure 4 As shown, the head frame turntable 1 includes a head frame main board 101, a head frame bottom plate 102, a head frame side plate 103 and a head frame upper plate 104. The head frame bottom plate 102 is fixed to the lower part of the head frame main board 101 along the left-right direction, the head frame side plates 103 are fixed to the left and right sides of the head frame main board 101 vertically, and the head frame upper plate 104 is fixed to the upper part of the head frame side plates 103 along the left-right direction. The head frame upper plate 104 and the head frame bottom plate 102 clamp the front end of the limiting tooling main beam 3 up and down.

[0038] like Figure 5 As shown, the tailstock turntable 2 includes a tailstock main plate 201, a tailstock bottom plate 202, a tailstock side plate 203 and a tailstock upper plate 204. The tailstock bottom plate 202 is fixed to the lower part of the tailstock main plate 201 in the left-right direction, the tailstock side plates 203 are vertically fixed to the left and right sides of the tailstock main plate 201, and the tailstock upper plate 204 is fixed to the upper part of the tailstock side plates 203 in the left-right direction. The tailstock upper plate 204 and the tailstock bottom plate 202 clamp the rear end of the limiting tooling main beam 3 up and down.

[0039] like Figure 8 As shown, a front positioning block 5 is fixedly provided on the front part of the tooling main beam 3, and the front positioning block 5 limits the front end of the locomotive frame 9. The front positioning block 5 includes a front base plate 501, a front baffle 502 and a front baffle 503. The front base plate 501 and the tooling main beam 3 are fixedly connected by vertical connecting screws 504, and the front baffle 502 is fixed to the rear side of the front base plate 501. The front baffle 503 and the rear end of the front baffle 502 are fixedly connected by horizontal connecting screws 505, and the front baffle 503 limits the front end of the locomotive frame 9.

[0040] The front positioning block 5 includes a reinforcing rib 506 , which is fixed to the front bottom plate 501 along the front-to-back direction. The rear end of the reinforcing rib 506 is fixedly connected to the front baffle 502 , thereby increasing the structural strength of the front positioning block 5 .

[0041] An inclined pad 6 is provided at the rear of the tooling main beam 3 , and the inclined pad 6 is movably connected to the tooling main beam 3 along the front-to-back direction through a cylinder, and the inclined pad 6 supports the rear end of the locomotive frame 9 .

[0042] like Figure 9As shown, the inclined pad 6 includes a linear cylinder 601, a cylinder fixing block 602 and a pad body 603. The linear cylinder 601 is arranged along the front and rear directions, the cylinder fixing block 602 is fixed to the rear of the tooling main beam 3, the bottom of the linear cylinder 601 is fixedly connected to the cylinder fixing block 602, the output shaft of the linear cylinder 601 is fixedly connected to the rear end of the pad body 603, and the upper end of the pad body 603 is arranged tilted upward from front to back.

[0043] like Figure 6 and Figure 7 As shown, the tooling main beam 3 is provided with two transverse positioning blocks 8, which are laterally spanned on the tooling main beam 3, and side blocks 7 are fixed on the transverse positioning blocks 8. The side blocks 7 limit the left and right sides of the locomotive frame 9. A zigzag clamping block 4 is provided on the transverse positioning block 8, and the lower end of the clamping block 4 is connected to the transverse positioning block 8, and the upper end of the clamping block 4 is tightened to the circular hole 10 of the locomotive frame 9 by screws.

[0044] like Figure 6 As shown, the transverse positioning block 8 includes a crossbeam 801, and two positioning base plates 802 are fixedly provided on the left and right sides of the crossbeam 801. The positioning base plates 802 are provided with slide grooves 803 along the left and right directions. The clamping block 4 includes a clamping top plate 401, a clamping side plate 402 and a clamping base plate 403. A slider 404 is fixed inside the clamping base plate 403, and the slider 404 is slidably connected to the slide groove 803.

[0045] The slider 404 vertically penetrates the slide groove 803 . The width of the lower end of the slider 404 is greater than the width of the slide groove 803 . The upper end of the slider 404 and the pressing base plate 403 are positioned by fixing screws 405 and washers 406 .

[0046] When the utility model is used, Figure 1 As shown, the crane is operated to lift the locomotive frame 9 workpiece to a suitable height and move it toward the upper end of the tooling main beam 3 until it is close to the front positioning block 5 at the front end of the tooling main beam 3. The edge of the head of the skid loader frame 9 cooperates with the front positioning block 5 as front and rear positioning. The bottom surface of the locomotive frame 9 is placed on the tooling main beam 3 as up and down positioning. The side block 7 at the upper end of the horizontal positioning block 8 is used as left and right positioning. The tail of the locomotive frame 9 adopts an inclined pad 6 to adjust the front and rear position, so that the locomotive frame 9 workpiece is placed stably. The clamping block 4 and the four round holes 10 of the frame 9 workpiece are clamped by screws. At this point, the locomotive frame 9 has completed positioning and clamping on the welding device, and automatic welding can be performed.

[0047] After the locomotive frame 9 is automatically welded, the clamping devices in all directions are loosened, the clamping block 4 is withdrawn from the circular hole 10, and the locomotive frame 9 is lifted out by operating the crane.

[0048] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. An automatic welding device for a skid loader frame, characterized in that: The utility model comprises a headstock turntable (1), a tailstock turntable (2) and a tooling main beam (3), wherein the headstock turntable (1) and the tailstock turntable (2) are located at the front and rear ends of the tooling main beam (3), and the tooling main beam (3) is fixed to the lower parts of the headstock turntable (1) and the tailstock turntable (2). A front positioning block (5) is fixed on the front part of the tooling main beam (3), and the front positioning block (5) limits the front end of the locomotive frame (9). An inclined pad (6) is provided on the rear part of the tooling main beam (3), and the inclined pad (6) is movably connected to the tooling main beam (3) along the front and rear directions through a cylinder. The inclined pad (6) supports the rear end of the locomotive frame (9), and the tooling main beam (3) is provided with two transverse positioning blocks (8). The transverse positioning blocks (8) are laterally spanned on the tooling main beam (3). Side blocks (7) are fixed on the transverse positioning blocks (8), and the side blocks (7) limit the left and right sides of the locomotive frame (9). A zigzag clamping block (4) is provided on the transverse positioning block (8), and the lower end of the clamping block (4) is connected to the transverse positioning block (8). The upper end of the clamping block (4) is clamped to the circular hole (10) of the locomotive frame (9) by screws.

2. The automatic welding device for a skid steer loader frame according to claim 1, characterized in that: The head frame turntable (1) comprises a head frame main plate (101), a head frame bottom plate (102), a head frame side plate (103) and a head frame upper plate (104), wherein the head frame bottom plate (102) is fixed to the lower part of the head frame main plate (101) in the left-right direction, the head frame side plates (103) are fixed to the left and right sides of the head frame main plate (101) in the vertical direction, and the head frame upper plate (104) is fixed to the upper part of the head frame side plates (103) in the left-right direction, and the head frame upper plate (104) and the head frame bottom plate (102) clamp the front end of the limit tooling main beam (3) up and down.

3. The automatic welding device for a skid steer loader frame according to claim 2, characterized in that: The tailstock turntable (2) comprises a tailstock main plate (201), a tailstock bottom plate (202), a tailstock side plate (203) and a tailstock upper plate (204); the tailstock bottom plate (202) is fixed to the lower portion of the tailstock main plate (201) in the left-right direction; the tailstock side plates (203) are fixed to the left and right sides of the tailstock main plate (201) in the vertical direction; the tailstock upper plate (204) is fixed to the upper portion of the tailstock side plates (203) in the left-right direction; the tailstock upper plate (204) and the tailstock bottom plate (202) clamp the rear end of the limiting tooling main beam (3) in the upper and lower directions.

4. The automatic welding device for a skid steer loader frame according to claim 1, characterized in that: The transverse positioning block (8) includes a crossbeam (801), two positioning base plates (802) are fixedly provided on the left and right sides of the crossbeam (801), and the positioning base plates (802) are provided with slide grooves (803) along the left and right directions. The pressing block (4) includes a pressing top plate (401), a pressing side plate (402) and a pressing base plate (403), and a slider (404) is fixedly provided in the pressing base plate (403), and the slider (404) is slidably connected to the slide groove (803).

5. The automatic welding device for a skid steer loader frame according to claim 4, characterized in that: The slider (404) vertically penetrates the slide groove (803), the width of the lower end of the slider (404) is greater than the width of the slide groove (803), and the upper end of the slider (404) is positioned in conjunction with the clamping base plate (403) via a fixing screw (405) and a washer (406).

6. The automatic welding device for a skid steer loader frame according to claim 1, characterized in that: The inclined pad (6) comprises a linear cylinder (601), a cylinder fixing block (602) and a pad body (603); the linear cylinder (601) is arranged in the front-to-back direction; the cylinder fixing block (602) is fixed to the rear of the tooling main beam (3); the bottom of the linear cylinder (601) is fixedly connected to the cylinder fixing block (602); the output shaft of the linear cylinder (601) is fixedly connected to the rear end of the pad body (603); and the upper end of the pad body (603) is arranged to be inclined upward from front to back.

7. The automatic welding device for a skid steer loader frame according to claim 1, characterized in that: The front positioning block (5) comprises a front bottom plate (501), a front baffle (502) and a front baffle (503); the front bottom plate (501) and the tooling main beam (3) are fixedly connected via vertical connecting screws (504); the front baffle (502) is fixed to the rear side of the front bottom plate (501); the front baffle (503) and the rear end of the front baffle (502) are fixedly connected via horizontal connecting screws (505); and the front baffle (503) limits the front end of the machine frame (9).

8. The automatic welding device for a skid steer loader frame according to claim 7, characterized in that: The front positioning block (5) comprises a reinforcing rib (506), the reinforcing rib (506) being fixed to the front bottom plate (501) along the front-back direction, and the rear end of the reinforcing rib (506) being fixedly connected to the front baffle (502).

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