Special-shaped square block machining tool

Abstract

The utility model discloses a special-shaped square block machining tool, and particularly relates to the technical field of machining and positioning of irregular polygonal workpieces, the tool is used for positioning a special-shaped square block in the machining process, the tool particularly comprises a drilling positioning table, a disc seat, a pressing plate and a fastening screw, the outer contour of the positioning table is consistent with the shape of a bottom cavity of the special-shaped square block, and the disc seat is arranged on the disc seat. The top face boss of the positioning table makes contact with the edge step face of the bottom cavity, the disc base is fixed to the bottom of the positioning table, and the fastening screw sequentially penetrates through the positioning hole of the pressing plate, the special-shaped square block, the mounting hole of the bearing plate and the center hole of the disc base so that the tool and the special-shaped square block can be fixed. Compared with an existing vise and clamping arm fixing mode, the tool can complete positioning work of the special-shaped square block only through one-time clamping, the perpendicularity of the plane of each edge and the planeness of the corresponding plane can be effectively guaranteed, the phenomenon of displacement of the inner edge of a groove is avoided, and it is guaranteed that the form and location tolerance and the size precision of each part of a product meet the machining requirement.

Description

Technical Field

[0001] The utility model relates to a tool for processing special-shaped blocks, in particular to the technical field of processing and positioning of irregular polygonal workpieces. Background Art

[0002] The shape of the special-shaped block is an irregular quadrilateral, which includes various through slots and grooves inside. The shape of the through slots, the outer dimensions and the edge position of the grooves have different levels of technical requirements, especially in the irregular four-sided shape: the faces not only have parallelism requirements, but also verticality requirements. Otherwise, it will be difficult to place the product in the middle position during later assembly and installation.

[0003] In actual processing, the geometric tolerance of the irregular quadrilateral shape is the difficulty of processing. If it is processed in stages and faces, the verticality of the corresponding edge plane can be guaranteed, but the parallelism with the corresponding plane is difficult to guarantee. In addition, it is difficult to determine the position of each through groove in the edge plane and the inner shape of the groove in the staged face processing, and there will be displacement with the inner edge of the groove.

[0004] How to design a special-shaped block processing tooling to solve the above technical problems has long troubled technicians in this field. Utility Model Content

[0005] In view of this, the utility model proposes a tooling for processing special-shaped blocks, which can complete the positioning of the special-shaped blocks with only one clamping, effectively ensure the verticality of each edge plane and the flatness of the corresponding plane, avoid the displacement of the edge in the groove, and ensure that the shape and position tolerances and dimensional accuracy of each part of the product meet the processing requirements.

[0006] The utility model solves the above problems through the following technical means:

[0007] A tooling for processing special-shaped blocks, characterized in that it is used to position the special-shaped blocks during processing, and comprises a drilling positioning table, a disc seat, a pressure plate and a fastening screw, wherein: the outer contour of the positioning table is consistent with the shape of the bottom cavity of the special-shaped block, and the top surface boss of the positioning table is in contact with the edge step surface of the bottom cavity; the internal hollow of the positioning table is provided with a plurality of processing openings, a load-bearing plate is provided in the middle of the positioning table, a mounting hole is provided in the middle of the load-bearing plate, and a plurality of guide holes are provided around the load-bearing plate; the disc seat is fixed to the bottom of the positioning table, and a center hole is provided in the middle of the disc seat; a positioning hole is provided at the center of the pressure plate; the fastening screw passes through the positioning hole of the pressure plate, the special-shaped block, the mounting hole of the load-bearing plate and the center hole of the disc seat in sequence to realize the fixation of the tooling and the special-shaped block; the pressure plate is one of a rectangular wide plate, a rectangular narrow plate or an L-shaped plate.

[0008] Preferably, the fastening screw is sequentially provided with a top pressure ring, a compression spring and a bottom pressure ring from top to bottom, wherein: the top of the top pressure ring is limited by the screw head of the fastening screw, the bottom of the bottom pressure ring contacts the top surface of the special-shaped block, and the pressure plate can be lifted and rotated by compressing the compression spring.

[0009] Preferably, a bottom cavity is provided on the back of the special-shaped block, and a plurality of special-shaped holes, special-shaped through grooves, step surfaces and connecting holes are provided on the front of the special-shaped block.

[0010] Preferably, the four corners of the special-shaped block are provided with notches.

[0011] Preferably, a circular hole and a rectangular long groove which are interconnected are opened in the middle of the front side of the special-shaped block.

[0012] The utility model provides a special-shaped block processing tool with the following beneficial effects:

[0013] 1) The tooling is used to position the special-shaped cube during the processing, and specifically includes a drilling positioning table, a disc seat, a pressure plate and a fastening screw, wherein the outer contour of the positioning table is consistent with the shape of the bottom cavity of the special-shaped cube, the top surface boss of the positioning table is in contact with the edge step surface of the bottom cavity to realize the bottom positioning of the special-shaped cube, the pressure plate is used for the top positioning of the special-shaped cube, the disc seat is fixed to the bottom of the positioning table, and the fastening screws pass through the positioning hole of the pressure plate, the special-shaped cube, the mounting hole of the load-bearing plate and the center hole of the disc seat in sequence to realize the fixation of the tooling and the special-shaped cube.

[0014] 2) The fastening screw is sequentially provided with a top pressure ring, a compression spring and a bottom pressure ring from top to bottom, wherein: the top of the top pressure ring is limited by the screw head of the fastening screw, and the bottom of the bottom pressure ring contacts the top surface of the special-shaped block. The pressure plate can be lifted and rotated by compressing the compression spring. This structure facilitates the front processing of the special-shaped block. When it is necessary to check different positions of the special-shaped block, it is only necessary to lift, rotate and release the pressure plate to expose different front positions of the special-shaped block.

[0015] 3) Compared with the existing vise and clamp arm fixing method, this tooling only needs one clamping to complete the positioning of the special-shaped block, which can effectively ensure the verticality of each edge plane and the flatness of the corresponding plane, avoid the displacement of the edge in the groove, and ensure that the shape and position tolerances and dimensional accuracy of each part of the product meet the processing requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0017] Figure 1 It is a schematic diagram of the front structure of the special-shaped block in the utility model;

[0018] Figure 2 It is a schematic diagram of the back structure of the special-shaped block in the utility model;

[0019] Figure 3 It is a schematic diagram of the positioning platform structure in the utility model;

[0020] Figure 4 This is a schematic diagram of the assembly of the special-shaped block and the positioning platform in the utility model;

[0021] Figure 5 This is a schematic diagram of the application of a rectangular wide plate in the utility model;

[0022] Figure 6 It is a schematic diagram of the rectangular narrow plate structure of the utility model;

[0023] Figure 7 It is a schematic diagram of the L-shaped plate structure of the utility model;

[0024] Figure 8 It is a schematic diagram of the installation of the compression spring of the utility model.

[0025] In the figure, 1-special-shaped block, 101-bottom cavity, 102-special-shaped hole, 103-special-shaped through groove, 104-step surface, 105-connecting hole, 106-notch, 2-positioning platform, 201-processing opening, 202-load-bearing plate, 203-mounting hole, 204-guide hole, 3-disc seat, center hole 4-pressure plate, 401-positioning hole, 402-rectangular wide plate, 403-rectangular narrow plate, 404-L-shaped plate, 5-fastening screw, 501-top pressure ring, 502-compression spring, 503-bottom pressure ring. DETAILED DESCRIPTION

[0026] In the description of the present utility model, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. The terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0027] The present invention will be described in detail below with reference to the accompanying drawings.

[0028] like Figure 1 , Figure 2As shown, the shape of the special-shaped block 1 is an irregular trapezoid, which includes various through grooves and grooves inside. The shape of the through grooves, the outer dimensions and the edge positions of the grooves have different levels of technical requirements, especially in the irregular four-sided shape: the faces have not only parallelism requirements, but also verticality requirements.

[0029] In the figure, a bottom cavity 101 is provided on the back of the special-shaped block 1, and a plurality of special-shaped holes 102, special-shaped through grooves 103, step surfaces 104 and connecting holes 105 are provided on the front of the special-shaped block 1. In addition, notches 106 are provided at the four corners of the special-shaped block 1. Specifically, a circular hole and a rectangular long groove that are interconnected are provided in the middle of the front of the special-shaped block 1. The special-shaped block 1 is generally used as a mounting plate for electronic devices or a positioning plate for components.

[0030] like Figures 3 to 8 As shown, the special-shaped block processing tooling is used to position the special-shaped block 1 during the processing, and includes a drilling positioning platform 2, a disc seat 3, a pressure plate 4 and a fastening screw 5. In the figure, the outer contour of the positioning platform 2 is consistent with the shape of the bottom cavity 101 of the special-shaped block 1, and the top surface boss of the positioning platform 2 is in contact with the edge step surface of the bottom cavity 101; the internal hollow of the positioning platform 2 is provided with a plurality of processing openings 201, a load-bearing plate 202 is provided in the middle of the positioning platform 2, a mounting hole 203 is provided in the middle of the load-bearing plate 202, and a plurality of guide holes 204 are provided around the load-bearing plate 202; the disc seat 3 is fixed to the bottom of the positioning platform 2, and a center hole is provided in the middle of the disc seat 3; a positioning hole 401 is provided at the center of the pressure plate 4; the fastening screw 5 passes through the positioning hole 401 of the pressure plate 4, the special-shaped block 1, the mounting hole 203 of the load-bearing plate 202 and the center hole of the disc seat 3 in sequence to realize the fixation of the tooling and the special-shaped block 1. In the figure, the processing opening 201 can facilitate chip removal and back processing of the special-shaped block 1, and the guide hole 204 is used to guide the drill bit to drill holes in the special-shaped block 1.

[0031] Specifically, the tooling is used to position the special-shaped cube during the processing, and specifically includes a drilling positioning table, a disc seat, a pressure plate and a fastening screw, wherein the outer contour of the positioning table is consistent with the shape of the bottom cavity of the special-shaped cube, the top surface boss of the positioning table contacts the edge step surface of the bottom cavity to achieve the bottom positioning of the special-shaped cube, the pressure plate is used for the top positioning of the special-shaped cube, the disc seat is fixed to the bottom of the positioning table, and the fastening screw passes through the positioning hole of the pressure plate, the special-shaped cube, the mounting hole of the load-bearing plate and the center hole of the disc seat in turn to achieve the fixation of the tooling and the special-shaped cube. Compared with the existing vise and clamp arm fixing method, the tooling only needs one clamping to complete the positioning of the special-shaped cube, which can effectively ensure the verticality of each edge plane and the flatness of the corresponding plane, avoid the displacement of the edge in the groove, and ensure that the shape and position tolerances and dimensional accuracy of each part of the product meet the processing requirements.

[0032] In this embodiment, the pressure plate 4 can be one of a rectangular wide plate 402, a rectangular narrow plate 403 or an L-shaped plate 404. In addition, the fastening screw 5 is sequentially provided with a top pressure ring 501, a compression spring 502 and a bottom pressure ring 503 from top to bottom, wherein: the top of the top pressure ring 501 is limited by the screw head of the fastening screw 5, the bottom of the bottom pressure ring 503 contacts the top surface of the special-shaped block 1, and the pressure plate 4 can be lifted and rotated by compressing the compression spring 502. In practical application, this structure facilitates the front processing and inspection of the special-shaped block. When it is necessary to inspect or process different positions of the special-shaped block, it is only necessary to lift, rotate and release the pressure plate to expose different front positions of the special-shaped block.

[0033] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A tool for processing special-shaped blocks, characterized in that: Used for positioning a special-shaped block (1) during processing, comprising a drilling positioning table (2), a disc seat (3), a pressure plate (4) and a fastening screw (5), wherein: The outer contour of the positioning platform (2) is consistent with the shape of the bottom cavity (101) of the special-shaped block (1), and the top surface boss of the positioning platform (2) contacts the edge step surface of the bottom cavity (101); The interior of the positioning platform (2) is hollowed out to provide a plurality of machined openings (201); a load-bearing plate (202) is provided in the middle of the positioning platform (2); a mounting hole (203) is provided in the middle of the load-bearing plate (202); and a plurality of guide holes (204) are provided around the load-bearing plate (202); The disc seat (3) is fixed to the bottom of the positioning platform (2), and a center hole is provided in the middle of the disc seat (3); A positioning hole (401) is provided at the center of the pressing plate (4); The fastening screws (5) are passed through the positioning holes (401) of the pressing plate (4), the special-shaped blocks (1), the mounting holes (203) of the load-bearing plate (202), and the center hole of the disc seat (3) in sequence to achieve the fixation of the tooling and the special-shaped blocks (1); The pressing plate (4) is one of a rectangular wide plate (402), a rectangular narrow plate (403) or an L-shaped plate (404).

2. The tooling for processing special-shaped blocks according to claim 1, characterized in that: The fastening screw (5) is provided with a top pressure ring (501), a compression spring (502) and a bottom pressure ring (503) in sequence from top to bottom, wherein: the top of the top pressure ring (501) is limited by the screw head of the fastening screw (5), and the bottom of the bottom pressure ring (503) contacts the top surface of the special-shaped block (1), and the pressure plate (4) can be lifted and rotated by compressing the compression spring (502).

3. The tooling for processing special-shaped blocks according to claim 1, characterized in that: The back of the special-shaped block (1) is provided with a bottom cavity (101), and the front of the special-shaped block (1) is provided with a plurality of special-shaped holes (102), special-shaped through grooves (103), step surfaces (104) and connection holes (105).

4. The tooling for processing special-shaped blocks according to claim 1, characterized in that: Notches (106) are provided at the four corners of the special-shaped block (1).

5. The tooling for processing special-shaped blocks according to claim 1, characterized in that: The front middle of the special-shaped block (1) is provided with a circular hole and a rectangular long groove which are interconnected.

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