Universal clamp for five-axis machining precision verification

Abstract

The utility model discloses a universal clamp for five-axis machining precision verification. The universal clamp comprises a part blank, a conversion circular plate, a first positioning pin, a second positioning pin, a third positioning pin, a pressing plate, a pressing plate supporting column and a locking bolt. A threaded hole, a supporting column fixing hole, a first pin hole, a second pin hole, a third pin hole and a mounting hole are formed in the front face of the conversion circular plate. When the fixture is used, the conversion circular plate is connected with a working table of a machine tool, then the three positioning pins are inserted, so that the X coordinate axis, the Y coordinate axis and the Z coordinate axis of a part blank are limited, then the four pressing plates are used for pressing the part blank, and fixing of the part blank is completed. The device is low in cost, convenient to install, free of interference in machining and suitable for test pieces of various sizes, and meanwhile the positions of the three positioning pins and the four pressing plates can be moved to adapt to the test pieces of different specifications.

Description

TECHNICAL FIELD

[0001] The utility model relates to fixture technical field, concretely relates to a universal fixture for five -axis machining precision verification. BACKGROUND

[0002] Five -axis linkage machine tool refers to at least five coordinate axes (three straight line coordinates and two rotation coordinates) on a machine tool, can carry out processing under the control of computer numerical control system simultaneously coordination movement, it can complete more complex workpiece processing task, effectively reduces the technological process, improves machining efficiency, precision and surface quality, is widely used in aerospace, automobile manufacturing, mould manufacturing etc. High -end manufacturing field.

[0003] The precision test of five -axis linkage machine tool is verified its machining precision through processing S type test piece.

[0004] At present, the machining of the part is using hydraulic pressure plate to press the four corners of the part, and in actual use, we find that because of the pressure plate, a part of the plane cannot be machined, which affects the surface quality of the part. And sometimes need to process S-shaped test piece of different sizes on the same equipment, resulting in the need to replace the corresponding conversion plate, which not only causes waste of cost, but also increases the workload of relevant personnel.

[0005] Therefore, how to provide a universal fixture for five -axis machining precision verification to solve the problems existing in the prior art is of great significance to its application. CONTENT OF THE UTILITY MODEL

[0006] Therefore, the purpose of the present application is to provide a universal fixture for five -axis machining precision verification to solve the problem.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0008] A universal fixture for five -axis machining precision verification, comprising a part blank, a conversion round plate, a positioning pin one, a positioning pin two, a positioning pin three, a pressure plate, a pressure plate support column and a locking bolt;

[0009] The front surface of the conversion round plate is provided with threaded holes, support column fixing holes, pin holes one, pin holes two, pin holes three and mounting holes;

[0010] Among them, the number of threaded holes and support column fixing holes is four, four threaded holes are 1 o'clock, 5 o'clock, 7 o'clock and 11 o'clock direction of conversion round plate respectively, the support column fixing hole is located around the threaded hole, the number of pin hole one, pin hole two and pin hole three is four, four pin hole one is horizontally arranged, four pin hole two and pin hole three are vertically arranged.

[0011] The number of mounting holes is eight, and the mounting holes are distributed in four on the left and four on the right.

[0012] The part blank is arranged at the top end of the conversion round plate, and the positioning pin one, the positioning pin two and the positioning pin three are fixedly connected with any one hole position in the pin hole one, the pin hole two and the pin hole three respectively.

[0013] The pressing plate support column is inserted into the inside of the support column fixing hole, the pressing plate is locked on the surface of the conversion round plate through the locking bolt, and the end of the pressing plate is clamped and fixed with the side of the part blank.

[0014] Preferably, an oval long groove is arranged on the surface of the pressing plate, and the locking bolt is fixedly connected with the threaded hole through the oval long groove.

[0015] Preferably, the mounting hole is a through hole, and a connecting column is fixedly connected with the center of the reverse side of the conversion round plate.

[0016] Preferably, the pin hole one coincides with the transverse tangent line of the conversion round plate, the pin hole two and the pin hole three are perpendicular to the pin hole one, and the pin hole two and the pin hole three are symmetrically distributed.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] In use, the conversion round plate is connected with the workbench of the machine tool, and then three positioning pins are inserted, so that the X, Y and Z coordinate axes of the part blank are limited, then four pressing plates are used to press the part blank, the fixation of the part blank is completed, compared with the existing clamp, the utility model has low cost, convenient installation, no interference in processing and is suitable for test pieces of various sizes, and meanwhile, the positions of the three positioning pins and the four pressing plates can be moved to adapt to test pieces of different specifications.

[0019] The above description is only a summary of the technical scheme of the application, in order to more clearly understand the technical means of the application, so that the content of the description can be implemented, and in order to make the above and other purposes, characteristics and advantages of the application more obvious and easy to understand, the following will be described in detail with the preferred embodiments of the application and the accompanying drawings.

[0020] According to the detailed description of the specific embodiments of the application in the following text combined with the drawings, those skilled in the art will more clearly understand the above and other purposes, advantages and characteristics of the application. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings described below are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative effort. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual proportion.

[0022] Figure 1 The structure schematic diagram of the present application is shown in the figure.

[0023] Figure 2 The structure diagram of the present application after installing the part blank is shown in the figure.

[0024] Figure 3 The top view of the present application after installing the part blank is shown in the figure.

[0025] Figure 4 The top view of the present application after installing the part blank is shown in the figure.

[0026] Figure 5 The side view of the present application after installing the part blank is shown in the figure.

[0027] In the figure: 1, part blank; 2, conversion round plate; 3, positioning pin one; 4, positioning pin two; 5, positioning pin three; 6, pressing plate; 7, pressing plate support column; 8, locking bolt; 9, pin hole one; 10, pin hole two; 11, pin hole three; 12, mounting hole; 13, threaded hole; 14, support column fixing hole. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solutions and advantages of the embodiments of the present application more clear, the following will combine the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. In the following description, the specific details such as specific configurations and components are only provided to help fully understand the embodiments of the present application. Therefore, those skilled in the art should understand that various changes and modifications can be made to the embodiments described herein without departing from the scope and spirit of the present application. In addition, in order to be clear and concise, the description of known functions and structures is omitted in the embodiments.

[0029] In addition, the reference numerals and / or letters can be repeated in different examples of the present application. Such repetition is for the purpose of simplification and clarity, and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed.

[0030] The term "and / or", merely describes an associated relationship between associated objects, which means that there can be three relationships, for example, A and / or B, which means that there are three cases of A alone, B alone, and A and B together. The term " / " in this paper is used to describe another relationship between associated objects, which means that there can be two relationships, for example, A / and B, which means that there are two cases of A alone and A and B together. In addition, the character " / " in this paper generally represents an "or" relationship between the associated objects before and after it.

[0031] It should also be noted that in this paper, relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion.

[0032] Please refer to Figures 1-5 The application provides a universal fixture for five-axis machining precision verification: including a part blank 1, a conversion round plate 2, a positioning pin one 3, a positioning pin two 4, a positioning pin three 5, a pressing plate 6, a pressing plate support column 7 and a locking bolt 8.

[0033] The front surface of the conversion round plate 2 is provided with threaded holes 13, support column fixing holes 14, pin holes one 9, pin holes two 10, pin holes three 11 and mounting holes 12;

[0034] Among them, the number of threaded holes 13 and support column fixing holes 14 is four, four threaded holes 13 are respectively at 1 o'clock, 5 o'clock, 7 o'clock and 11 o'clock direction of the conversion round plate 2, the support column fixing hole 14 is located around the threaded hole 13, the number of pin hole one 9, pin hole two 10 and pin hole three 11 is four, four pin hole one 9 is horizontally arranged in one character, four pin hole two 10 and pin hole three 11 is vertically arranged in one character;

[0035] The number of mounting holes 12 is eight, and the mounting holes 12 are distributed in the form of four on the left and four on the right;

[0036] The part blank 1 is placed at the top end of the conversion round plate 2, the positioning pin one 3, the positioning pin two 4 and the positioning pin three 5 are fixedly connected to any one hole position of the pin hole one 9, the pin hole two 10 and the pin hole three 11 respectively;

[0037] The pressing plate support column 7 is inserted into the inside of the support column fixing hole 14, the pressing plate support column 7 is used to support the bottom end of the pressing plate 6, the pressing plate 6 is locked to the surface of the conversion round plate 2 through the locking bolt 8, and the end of the pressing plate 6 is clamped and fixed with the side of the part blank 1.

[0038] The surface of the pressing plate 6 is provided with an oval long slot, the locking bolt 8 passes through the oval long slot and is fixedly connected with the threaded hole 13, the front and rear positions of the pressing plate 6 are adjustable, and the installation of the test piece of different sizes can be realized.

[0039] The mounting hole 12 is a through hole, the connecting column is fixedly connected at the center of the reverse surface of the conversion round plate 2, and the connecting column and the mounting hole 12 are used for connecting and installing the conversion round plate 2 with the machining platform of the machine tool.

[0040] The pin hole one 9 coincides with the transverse tangent line of the conversion round plate 2, the pin hole two 10 and the pin hole three 11 are perpendicular to the pin hole one 9, and the pin hole two 10 and the pin hole three 11 are symmetrically distributed.

[0041] In specific use, according to the size of the test piece, the positioning pin one 3, the positioning pin two 4 and the positioning pin three 5 are fixedly connected with the appropriate hole positions in the pin hole one 9, the pin hole two 10 and the pin hole three 11 respectively, the side surface of the part blank 1 is in contact with the positioning pin one 3, then the bottom edge of the part blank 1 is in contact with the positioning pin two 4 and the positioning pin three 5, then the four pressing plates 6 are fixed on the side of the part blank 1, then the pressing plates 6 are fixed by using the locking bolt 8, and the installation of the test piece is completed.

[0042] The above only provides preferred embodiments of the utility model, and does not limit the protection scope of the utility model, for the person skilled in the art, the utility model can have various changes and changes. Any change, modification, replacement, integration and parameter change of the embodiments within the spirit and principle of the utility model, which can realize the same function without departing from the principle and spirit of the utility model, falls within the protection scope of the utility model.

Claims

1. A universal fixture for five-axis machining accuracy verification, characterized by: Part blank (1), conversion round plate (2), positioning pin one (3), positioning pin two (4), positioning pin three (5), pressing plate (6), pressing plate support column (7) and locking bolt (8) are included. The front surface of the conversion round plate (2) is provided with threaded holes (13), support column fixing holes (14), pin holes one (9), pin holes two (10), pin holes three (11) and mounting holes (12); Among them, the number of threaded holes (13) and support column fixing holes (14) is four, four threaded holes (13) are respectively 1 o'clock, 5 o'clock, 7 o'clock and 11 o'clock direction of conversion round plate (2), the support column fixing hole (14) is located around the threaded hole (13), the number of pin hole one (9), pin hole two (10) and pin hole three (11) is four, four pin hole one (9) is horizontally arranged in one character, four pin hole two (10) and pin hole three (11) are vertically arranged in one character; The number of mounting holes (12) is eight, and the mounting holes (12) are distributed in four on the left and right; The part blank (1) is placed at the top of the conversion round plate (2), the positioning pin one (3), the positioning pin two (4) and the positioning pin three (5) are fixedly connected with any one hole position of the pin hole one (9), the pin hole two (10) and the pin hole three (11) respectively; The pressing plate support column (7) is inserted into the inside of the support column fixing hole (14), the pressing plate (6) is locked on the surface of the conversion round plate (2) by the locking bolt (8), and the end of the pressing plate (6) is clamped and fixed with the side of the part blank (1).

2. A universal fixture for five-axis machining accuracy verification as claimed in claim 1, wherein: The surface of the pressing plate (6) is provided with an oval long slot, the locking bolt (8) passes through the oval long slot and is fixedly connected with the threaded hole (13).

3. A universal fixture for five-axis machining accuracy verification as claimed in claim 2, wherein: The mounting hole (12) is a through hole, and the connection column is fixedly connected to the center of the back surface of the conversion round plate (2).

4. A universal fixture for five-axis machining accuracy verification as claimed in claim 3, wherein: The pin hole one (9) coincides with the horizontal tangent line of the conversion round plate (2), the pin hole two (10) and the pin hole three (11) are perpendicular to the pin hole one (9), and the pin hole two (10) and the pin hole three (11) are symmetrically distributed.

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