Tool clamp for machining and welding lower fork

Abstract

The utility model provides a frock clamp for processing a welding lower fork, which comprises a workbench, a frock bottom plate, a machine tool rotating platform, a workpiece cushion block and a group of clamping assemblies, the machine tool rotating platform is arranged on the workbench, the frock bottom plate is rotatably arranged on the machine tool rotating platform, the workpiece cushion block is slidably arranged on the frock bottom plate, and the clamping assemblies are arranged on the frock bottom plate. The clamping assemblies are arranged at the two ends of the workbench and can clamp the tool bottom plate. The tool clamp for machining the welding lower fork is simple in structure and low in manufacturing cost, the welding lower fork is clamped on the workpiece cushion block, the tool bottom plate can carry the workpiece cushion block to rotate, the welding lower fork rotates by a set angle, the machining face faces the machining end of a machine tool, the tool clamp can reduce the clamping frequency of a workpiece, and the machining efficiency is improved. The stability and the machining precision of the machining process are improved, and the machining efficiency of a machine tool is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of machining fixture, especially relates to a tooling fixture for processing welding lower fork. BACKGROUND

[0002] The welding lower fork is a kind of welding workpiece, and its main structure is the side plate and the bottom plate symmetrically welded.The welding lower fork still needs to pass through multiple processes, such as milling, hole opening and the like, after welding.

[0003] When carrying out subsequent processing steps, the traditional processing mode is to clamp the welding lower fork on the fixture, and the processing end on the machine tool is used for processing.However, the processing end of the machine tool is single-sided, and when the other side of the welding lower fork needs to be processed, the welding lower fork needs to be taken down, rotated by 180° and clamped on the fixture again.This processing mode needs to clamp the workpiece multiple times, which affects the processing precision on the one hand and greatly reduces the processing efficiency on the other hand. UTILITY MODEL CONTENT

[0004] The utility model discloses a tooling fixture for processing welding lower fork, which has simple structure, low manufacturing cost, and the welding lower fork is clamped on the workpiece pad, the tooling bottom plate can carry the workpiece pad and rotate, the welding lower fork is rotated to a set angle to make the processing surface face the processing end of the machine tool, the tooling fixture can reduce the clamping times of the workpiece, improve the stability and processing precision of the processing process, and improve the processing efficiency of the machine tool.

[0005] Technical scheme: in order to realize the above object, the utility model provides a tooling fixture for processing welding lower fork, including workbench, tooling bottom plate, machine tool rotating platform, workpiece pad and a group of clamping assemblies, the machine tool rotating platform is located on the workbench, the tooling bottom plate rotates and is located on the machine tool rotating platform, the workpiece pad slides and is located on the tooling bottom plate, the clamping assembly is located at the both ends of the workbench, and the clamping assembly can clamp the tooling bottom plate.

[0006] Further, each group of the clamping assembly includes a group of rotary cylinders and cylinder bases, the cylinder base is arranged at the both ends of the workbench, and the rotary cylinder is arranged on the cylinder base.

[0007] Further, the piston rod end of the rotary cylinder is provided with a pressing piece, and the pressing piece acts on the tooling bottom plate.4 rotary cylinders are located at the 4 corners of the tooling bottom plate, and can press the tooling bottom plate firmly.

[0008] Further, the side of the rotating platform is provided with a servo motor, the servo motor is connected with a rotating shaft, the rotating shaft is arranged in the rotating platform, and the rotating shaft is connected with the center of the tooling bottom plate.

[0009] Further, the surface of the tooling bottom plate is provided with parallel grooves along the length direction, the first pin hole is arranged in the groove, and a plurality of second pin holes are uniformly arranged along the length direction in the middle of the tooling bottom plate.

[0010] Further, the cross section of the workpiece pad is T-shaped, a group of limiting grooves is arranged on the two sides of the bottom of the workpiece pad, the spacing of the two limiting grooves on the same side is equal to the spacing of the grooves, and the top surface of the workpiece pad is provided with a positioning pin hole.

[0011] Further, the middle of the bottom of the workpiece pad is provided with a positioning hole, and the positioning hole is matched with the second pin hole through a pin.

[0012] Further, the welding lower fork is clamped on the workpiece pad through a positioning pin.

[0013] The above technical scheme can be seen, and the utility model has the following beneficial effects:

[0014] The utility model provides a tooling fixture of machining welding lower fork, simple structure and low manufacturing cost, welding lower fork is clamped on workpiece pad, and the tooling bottom plate can carry workpiece pad and rotate, so that the welding lower fork is rotated and set angle and the machining surface is towards the machining end of machine tool, the tooling fixture can reduce the clamping times of workpiece, improves the stability and machining precision of machining process, and improves the machining efficiency of machine tool. ACCURACY

[0015] Figure 1 It is a structure schematic view of the tooling fixture of machining welding lower fork.

[0016] Figure 2 It is a front view of the tooling fixture of machining welding lower fork.

[0017] Figure 3 It is a structure schematic view of the tooling fixture of machining welding lower fork.

[0018] Figure 4 It is a structure schematic view of the tooling fixture of machining welding lower fork.

[0019] In the figure: 1-workbench, 2-tooling base, 21-groove, 211-first pin hole, 22-second pin hole, 3-machine tool rotating platform, 31-servo motor, 4-workpiece pad, 41-limiting groove, 42-locating pin hole, 5-clamping assembly, 51-rotary cylinder, 511-pressing piece, 52-cylinder base. DETAILED DESCRIPTION

[0020] It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0021] Example 1:

[0022] like Figure 1 As shown: A tooling fixture for processing and welding lower forks, including a workbench 1, a tooling base plate 2, a machine tool rotating platform 3, a workpiece pad 4 and a group of clamping components 5, the machine tool rotating platform 3 is arranged on the workbench 1, the tooling base plate 2 is rotatably arranged on the machine tool rotating platform 3, the workpiece pad 4 is slidably arranged on the tooling base plate 2, and the clamping components 5 are arranged at both ends of the workbench 1, and the clamping components 5 can clamp the tooling base plate 2.

[0023] like Figure 2 As shown, a servo motor 31 is provided on the side of the rotating platform 3. The servo motor 31 is connected to a rotating shaft, which is located inside the rotating platform 3 and connected to the center of the tooling base plate 2. In this embodiment, the use of the servo motor 31 to drive the rotating shaft to drive the tooling base plate 2 is only a preferred solution; other high-precision drive structures can also be used.

[0024] like Figure 4 As shown, the surface of the tooling base plate 2 is provided with parallel grooves 21 along its length direction, and a first pin hole 211 is provided in the groove 21. A plurality of second pin holes 22 are evenly provided in the middle of the tooling base plate 2 along its length direction.

[0025] like Figure 3 As shown, the cross-section of the workpiece pad 4 is T-shaped, and a group of limit grooves 41 are provided on both sides of the bottom of the workpiece pad 4. The spacing between the two limit grooves 41 on the same side is equal to the spacing between the grooves 21, and the top surface of the workpiece pad 4 is provided with a positioning pin hole 42.

[0026] Positioning holes are provided in the middle of both sides of the bottom of the workpiece pad 4 , and the positioning holes are matched with the second pin holes 22 through pins.

[0027] In the embodiment, the position of the workpiece pad 4 is adjusted according to the length of the workpiece to be processed, so that the distance between the two workpiece pads 4 matches the length of the workpiece, and then the position of the workpiece pad 4 is determined by installing a positioning pin on the positioning hole, the positioning pin cooperates with the second pin hole 22, so that the position of the workpiece pad 4 is determined, and then the limit groove 42 cooperates with the first pin hole 211 to prevent the workpiece pad 4 from being deflected.

[0028] The welding lower fork is clamped on the workpiece pad 4 by the positioning pin.

[0029] Embodiment 2:

[0030] As shown in Figure 1 A tooling fixture for processing a welding lower fork, comprising a workbench 1, a tooling base plate 2, a machine tool rotary platform 3, a workpiece pad 4 and a set of clamping assemblies 5, the machine tool rotary platform 3 is arranged on the workbench 1, the tooling base plate 2 is rotatably arranged on the machine tool rotary platform 3, the workpiece pad 4 is slidably arranged on the tooling base plate 2, and the clamping assemblies 5 are arranged at both ends of the workbench 1, and the clamping assemblies 5 can clamp the tooling base plate 2.

[0031] The structures not involved in the embodiment are the same as those in Embodiment 1, and in addition, the clamping assembly 5 in the embodiment specifically comprises a set of rotary air cylinders 51 and a cylinder base 52, the cylinder base 52 is arranged at both ends of the workbench 1, and the rotary air cylinder 51 is arranged on the cylinder base 52.

[0032] The end of the piston rod of the rotary air cylinder 51 is provided with a pressing piece 511, and the pressing piece 511 acts on the tooling base plate 2.

[0033] The pressing piece 511 can realize lifting and rotation under the action of the rotary air cylinder 51, when the workpiece needs to be rotated, the rotary air cylinder 51 lifts the pressing piece 51, and the tooling base plate 2 can be rotated. In addition, the angle of the pressing piece 511 is adjusted, and the pressing function can still be realized when the tooling base plate 2 is slightly rotated, thereby widening the workable range of the tooling base plate 2.

[0034] The tooling fixture for processing a welding lower fork provided by the utility model is used, the tooling base plate 2 is first calibrated, then the tooling base plate 2 is pressed by the rotary air cylinder 51, the position of the workpiece pad 4 on the tooling base plate 2 is adjusted and fixed, the workpiece is fixed on the workpiece pad 4 at both ends by using the positioning pin, then the workpiece is pressed by using the pressing plate, and the processing can be started, when the processing position needs to be replaced, the tooling base plate 2 is only loosened, the machine tool rotary platform 3 is rotated, and then the tooling base plate 2 is pressed, and the processing can be started.

[0035] The above merely is the preferred embodiment of the present application, it should be pointed out that, for ordinary skilled person in the art, without departing from the principles of the present application, can make a number of improvements, these improvements also should be considered as the protection scope of the present application.

Claims

1. A tooling fixture for machining a lower yoke, characterized by, Including workbench (1), tooling bottom plate (2), machine tool rotating platform (3), workpiece cushion block (4) and a set of clamping assembly (5), the machine tool rotating platform (3) is located on the workbench (1), the tooling bottom plate (2) is rotatably arranged on the machine tool rotating platform (3), the workpiece cushion block (4) is slidably arranged on the tooling bottom plate (2), the clamping assembly (5) is arranged at both ends of the workbench (1), and the clamping assembly (5) can clamp the tooling bottom plate (2).

2. The tooling fixture for machining a weld yoke according to claim 1, wherein, Each set of the clamping assembly (5) includes a set of rotary cylinders (51), and a cylinder base (52), the cylinder base (52) is arranged at both ends of the workbench (1), and the rotary cylinder (51) is arranged on the cylinder base (52).

3. The tooling fixture for machining a weld yoke according to claim 2, wherein, The piston rod end of the rotary cylinder (51) is provided with a pressing piece (511), and the pressing piece (511) acts on the tooling bottom plate (2).

4. The tooling fixture of claim 1, wherein, The side surface of the rotating platform (3) is provided with a servo motor (31), the servo motor (31) is connected with a rotating shaft, the rotating shaft is arranged in the rotating platform (3), and the rotating shaft is connected with the center of the tooling bottom plate (2).

5. The tooling fixture for machining a weld yoke of claim 1, wherein, The surface of the tooling bottom plate (2) is provided with parallel grooves (21) along the length direction, the first pin hole (211) is arranged in the groove (21), and a plurality of second pin holes (22) are uniformly arranged in the middle of the tooling bottom plate (2) along the length direction.

6. A tooling fixture for machining a drawbar yoke as defined in claim 5 wherein, The cross section of the workpiece cushion block (4) is T-shaped, a set of limiting grooves (41) is arranged on both sides of the bottom of the workpiece cushion block (4), the spacing of the two limiting grooves (41) on the same side is equal to the spacing of the grooves (21), and the top surface of the workpiece cushion block (4) is provided with a positioning pin hole (42).

7. A tooling fixture for machining a drawbar yoke as defined in claim 6 wherein, The bottom of the workpiece cushion block (4) is provided with a positioning hole, and the positioning hole is matched with the second pin hole (22) through a pin.

8. The tooling fixture of claim 1, wherein, The welding lower fork is clamped on the workpiece cushion block (4) through the positioning pin.

Images