Special tool for linear cutting of batten parts

Abstract

The utility model relates to a special tool for linear cutting of batten parts. The special tool is characterized by comprising an integrated lower clamping block, a first upper clamping block, a second upper clamping block, a first screw, a second screw and a third screw, wherein the first screw is connected between the first upper clamping block and the integrated lower clamping block, and the second screw and the third screw are connected between the second upper clamping block and the integrated lower clamping block. During use, a blank is placed on the integrated lower clamping block, the straight edge of the blank abuts against the reference vertical face, then the first upper clamping block and the second upper clamping block are used for pressing the edge of the blank, effective positioning of the blank above the integrated lower clamping block is achieved, and then the blank is cut above the cutting avoiding area. According to the utility model, the problem of unfavorable clamping is solved, the deformation of parts is avoided, the high efficiency and stability of part processing are realized, and the accuracy of dimensions is ensured, so that the percent of pass of products is improved, the production cost is saved, and the practicability and operability are strong.

Description

Technical Field

[0001] This utility model relates to the field of aero-engine component manufacturing technology, specifically to a special tooling for wire cutting of slat parts. Background Technology

[0002] Slat components are widely used in aircraft engines, and their quality directly affects the engine's overall quality. (See also...) Figure 1 The slat parts are thin and have a special shape. They are not flat parts and have multiple irregular continuous curved surfaces. However, their tolerance requirements are strict. If the clamping is not good, the accuracy of the machining dimensions cannot be guaranteed, which is time-consuming and labor-intensive. Utility Model Content

[0003] The purpose of this utility model is to provide a wire EDM fixture for slab parts that is structurally sound and reliable in use, solving the problem of improper clamping, achieving high efficiency and stability in parts processing, and ensuring dimensional accuracy, thereby improving the product qualification rate, saving production costs, and offering strong practicality and operability.

[0004] The technical solution of this utility model is:

[0005] A special tooling for wire cutting of slatted parts, the key technical features of which are: it consists of an integral lower clamping block, a first upper clamping block, a second upper clamping block, a first screw connecting the first upper clamping block and the integral lower clamping block, a second screw connecting the second upper clamping block and the integral lower clamping block, and a third screw. The integral lower clamping block comprises a Y-direction reference positioning part and an X-direction extension connected to the rear section of the Y-direction reference positioning part. The upper surface of the Y-direction reference positioning part near the X-direction extension has a Y-direction reducing surface. The Y-direction reducing surface is connected to the upper surface of the Y-direction reference positioning part by a reference surface. The upper surface of the positioning part is provided with a first screw hole corresponding to the first screw on the side away from the X-direction extension. The X-direction extension is a right trapezoid. The long base side of the X-direction extension is at the same height as and connected to the Y-direction reduction surface. The upper surface of the X-direction extension is provided with a curved surface that matches the slat part. The curved surface rises from the long base side to the short base side. The short base side of the X-direction extension is provided with a plane connected to the end of the curved surface. The Y-direction edge of the curved surface is provided with a second screw hole corresponding to the second screw and a third screw hole corresponding to the third screw. The inclined side of the X-direction extension is connected to the edge of the Y-direction reduction surface and forms the boundary of the cutting avoidance zone.

[0006] The above-mentioned wire cutting fixture for slat parts has a first upper clamping block that is an inverted U-shaped clamping block. The lower end of one straight wall of the inverted U-shaped clamping block is supported on the upper surface of the Y-direction reference positioning part, and the lower end of the other straight wall is located above the Y-direction reduction surface. The bottom of the U-shaped clamping block is provided with a first through hole corresponding to the first screw hole.

[0007] The above-mentioned wire cutting fixture for slat parts has a second upper clamping block that is strip-shaped, located at the Y-axis edge of the X-axis extension, and extends from the Y-axis reduction surface to the plane at the end of the curved surface. The shape of the lower surface of the second upper clamping block matches the shape of the surface at the corresponding position below it. The second upper clamping block is provided with a second through hole corresponding to the second screw hole and a third through hole corresponding to the third screw hole.

[0008] The aforementioned wire EDM fixture for slat parts has a centerline of the first screw hole perpendicular to the upper surface of the Y-axis reference positioning part, and centerlines of the second and third screw holes perpendicular to the tangent at the curved surface.

[0009] The aforementioned wire cutting fixture for slat parts has a positioning groove on the short bottom side wall of the X-direction extension.

[0010] The beneficial effects of this utility model are:

[0011] This utility model features a proprietary structure designed for slatted parts. In use, the blank material is placed on the integrated lower clamping block with its straight edge pressed against the reference surface. Then, the first and second upper clamping blocks press down on the edges of the blank material, effectively positioning it above the integrated lower clamping block. Cutting can then be performed above the cutting avoidance zone. This utility model solves the problem of improper clamping, avoids part deformation, and achieves high efficiency, stability, and dimensional accuracy in part processing, thereby improving product qualification rates, saving production costs, and offering strong practicality and operability. Attached Figure Description

[0012] Figure 1 This is a diagram showing the usage state of this utility model;

[0013] Figure 2 This is a schematic diagram of the structure of this utility model;

[0014] Figure 3 yes Figure 2 A bottom view;

[0015] Figure 4 This is a schematic diagram of the structure of the first upper clamping block of this utility model;

[0016] Figure 5 yes Figure 4 Top view;

[0017] Figure 6 This is a schematic diagram of the integrated lower clamping block of this utility model;

[0018] Figure 7 yes Figure 6 A bottom view;

[0019] Figure 8 yes Figure 6 The left view;

[0020] Figure 9 This is a schematic diagram of the structure of the second upper clamping block of this utility model;

[0021] Figure 10 yes Figure 9 A bottom view.

[0022] In the figure: 1. Integrated lower clamping block, 101. Y-direction reference positioning part, 102. Y-direction reduced surface, 103. Reference elevation, 104. First screw hole, 105. X-direction extension part, 106. Second screw hole, 107. Third screw hole, 108. Plane, 109. Positioning groove, 110. Curved surface, 2. First upper clamping block, 201. First through hole, 3. Raw material, 4. Second upper clamping block, 401. Second through hole, 402. Third through hole. Detailed Implementation

[0023] The present invention will be described in detail with reference to the accompanying drawings.

[0024] like Figures 1-10 As shown, the wire EDM fixture for slat parts consists of an integral lower clamping block 1, a first upper clamping block 2, a second upper clamping block 4, a first screw connecting the first upper clamping block 2 and the integral lower clamping block 1, a second screw connecting the second upper clamping block 4 and the integral lower clamping block 1, and a third screw.

[0025] The integrated lower clamping block 1 comprises a Y-direction reference positioning part 101 and an X-direction extension part 105 connected to the rear section of the Y-direction reference positioning part 101. The upper surface of the Y-direction reference positioning part 101, near the X-direction extension part, has a Y-direction reducing surface 102, which is connected to the upper surface of the Y-direction reference positioning part 101 via a reference surface 103. The upper surface of the Y-direction reference positioning part 101, away from the X-direction extension part, has a first screw hole 104 corresponding to the first screw. The X-direction extension 105 is a right-angled trapezoid. The long base side of the X-direction extension 105 is at the same height as and connected to the Y-direction reduction surface 102. The upper surface of the X-direction extension 105 is provided with a curved surface 110 that matches the slat part. The curved surface 110 rises from the long base side to the short base side. The short base side of the X-direction extension 105 is provided with a plane 108 that connects to the end of the curved surface 110. The Y-direction edge of the curved surface 110 is provided with a second screw hole 106 corresponding to the second screw and a third screw hole 107 corresponding to the third screw. The inclined side of the X-direction extension 105 connects with the edge of the Y-direction reduction surface 102 and forms the boundary of the cutting avoidance zone.

[0026] In this embodiment, the first upper clamping block 2 is an inverted U-shaped clamping block. One straight lower end of the inverted U-shaped clamping block is supported on the upper surface of the Y-direction reference positioning part 101, and the other straight lower end is located above the Y-direction reduction surface 102. The bottom of the U-shaped clamping block is provided with a first through hole 201 corresponding to the first screw hole 104. The second upper clamping block 4 is strip-shaped and located at the Y-direction edge of the X-direction extension part 105, extending from the Y-direction reduction surface 102 to the plane 108 at the end of the curved surface 110. The shape of the lower surface of the second upper clamping block 4 matches the shape of the surface at the corresponding position below it. The second upper clamping block 4 is provided with a second through hole 401 corresponding to the second screw hole 106 and a third through hole 402 corresponding to the third screw hole 107. The centerline of the first screw hole 104 is perpendicular to the upper surface of the Y-direction reference positioning part 101, and the centerlines of the second screw hole 106 and the third screw hole 107 are perpendicular to the tangent at the curved surface 110. The short bottom sidewall of the X-direction extension 105 is provided with a positioning groove 109.

[0027] Working principle:

[0028] When using, please refer to Figure 1 Place the blank 3 on the integrated lower clamping block 1 with its straight edge close to the reference vertical surface 103. Then, use the first upper clamping block 2 and the second upper clamping block 4 to press down the edge of the blank 3 and use the first screw, the second screw and the third screw to lock and fix it, so as to achieve effective positioning of the blank 3 above the integrated lower clamping block 1. Then, cut the blank above the cutting avoidance area according to the cutting line shown in the figure to complete the processing of the strip part.

[0029] The embodiments of this utility model have been described in detail above, but the content described is only a preferred embodiment of this utility model and should not be considered as limiting the scope of implementation of this utility model. All equivalent changes and improvements made within the scope of this utility model should still fall within the scope of this utility model.

Claims

1. A wire cutting jig for a slat part, characterized by: It consists of an integrated lower clamping block, a first upper clamping block, a second upper clamping block, a first screw connecting the first upper clamping block and the integrated lower clamping block, a second screw connecting the second upper clamping block and the integrated lower clamping block, and a third screw. The integrated lower clamping block comprises a Y-direction reference positioning part and an X-direction extension part connected to the rear section of the Y-direction reference positioning part. The upper surface of the Y-direction reference positioning part has a Y-direction reducing surface near the X-direction extension part. The Y-direction reducing surface is connected to the upper surface of the Y-direction reference positioning part by a reference elevation. The upper surface of the Y-direction reference positioning part is away from the X-direction... The extension has a first screw hole corresponding to the first screw. The X-direction extension is a right trapezoid. The long base of the X-direction extension is at the same height as and connected to the Y-direction reduction surface. The upper surface of the X-direction extension has a curved surface that matches the slat part. The curved surface rises from the long base to the short base. The short base of the X-direction extension has a plane that connects to the end of the curved surface. The Y-direction edge of the curved surface has a second screw hole corresponding to the second screw and a third screw hole corresponding to the third screw. The inclined side of the X-direction extension connects to the edge of the Y-direction reduction surface and forms the boundary of the cutting avoidance zone.

2. The wire cutting jig for a lath part according to claim 1, characterized by: The first upper clamping block is an inverted U-shaped clamping block. The lower end of one straight wall of the inverted U-shaped clamping block is supported on the upper surface of the Y-direction reference positioning part, and the lower end of the other straight wall is located above the Y-direction reduction surface. The bottom of the U-shaped clamping block is provided with a first through hole corresponding to the first screw hole.

3. The wire cutting tooling specific to a lath part of claim 1, wherein: The second upper clamping block is strip-shaped, located at the Y-axis edge of the X-axis extension, and extends from the Y-axis reduction surface to the plane at the end of the curved surface. The shape of the lower surface of the second upper clamping block matches the shape of the surface at the corresponding position below it. The second upper clamping block is provided with a second through hole corresponding to the second screw hole and a third through hole corresponding to the third screw hole.

4. The wire cutting tooling specific to a lath part of claim 1, wherein: The centerline of the first screw hole is perpendicular to the upper surface of the Y-direction reference positioning part, and the centerlines of the second and third screw holes are perpendicular to the tangent at the curved surface.

5. The wire cutting tooling specific to a lath part of claim 1, wherein: The short bottom sidewall of the X-direction extension is provided with a positioning groove.

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