Five-axis CNC machining fixing tool

Abstract

The utility model discloses a fixing tool for five-axis CNC machining, and belongs to the technical field of fixing tools. A fixing tool for five-axis CNC machining is used for fixing a workpiece and comprises a machine frame, a fixing device and a clamping device. The vacuum base is fixedly connected with the rack; the pressing plate abuts against the workpiece; the supporting block abuts against the rack; the fixing frame is fixedly connected with the supporting block; the connecting plate is fixedly connected with the fixing frame; the fixing assembly is used for fixedly connecting the fixing frame with the rack; the pressing plate is located below the fixing frame and fixedly connected with the fixing frame. The vacuum base comprises a vacuum channel and a first abutting face. The first abutting surface abuts against the inner surface of a workpiece; the pressing plate comprises a second abutting surface; the second abutting face abuts against the outer surface of the workpiece. The fixing tool for five-axis CNC machining has the beneficial effect that the fixing tool for five-axis CNC machining is convenient to fix.

Description

Technical Field

[0001] This application relates to the technical field of fixing fixtures, and more particularly, to a fixing fixture for five-axis CNC machining. Background Art

[0002] CNC machining generally refers to computer numerical control precision machining, such as CNC machining lathes, CNC machining milling machines, CNC machining boring and milling machines, etc. A machining center is a machining machine that integrates multiple machining methods. CNC machining has a wide range of applications in many fields. Among them, the machining of special-shaped workpieces such as component housings in the communication industry and mobile communication equipment parts depends on CNC machining. A good CNC machining center is particularly important.

[0003] When machining complex composite materials, the manual pressing of composite materials with complex profiles is inefficient, and it is impossible to control the out-of-tolerance caused by component deformation.

[0004] Therefore, a fixing fixture for five-axis CNC machining that is convenient for fixing is provided. Summary of the Utility Model

[0005] The content part of this application is used to briefly introduce the concepts, which will be described in detail in the following specific implementation part. The content part of this application is not intended to identify the key features or essential features of the claimed technical solution, nor is it intended to limit the scope of the claimed technical solution.

[0006] To solve the technical problems mentioned in the above background art part, some embodiments of this application provide a fixing fixture for five-axis CNC machining for fixing workpieces, including: a frame; a vacuum base fixedly connected to the frame; a pressing plate in contact with the workpiece; a support block in contact with the frame; a fixing frame fixedly connected to the support block; a connecting plate fixedly connected to the fixing frame; a fixing component for fixedly connecting the fixing frame to the frame; wherein, the pressing plate is located below the fixing frame and fixedly connected to the fixing frame; the vacuum base includes a vacuum channel and a first contact surface; the first contact surface is in contact with the inner surface of the workpiece; the pressing plate includes a second contact surface; the second contact surface is in contact with the outer surface of the workpiece.

[0007] First, vacuum adsorb the inner surface of the workpiece through the vacuum channel, then press the outer surface of the workpiece through the pressing plate, and then fix the pressing plate to the frame through the fixing component, thereby completing the fixing of the workpiece, which is more convenient for fixing the workpiece.

[0008] Further, the fixing component includes: a fixing plate fixedly connected to the connecting plate; a first rotating block rotatably connected to the fixing plate; a connecting shaft fixedly connected to the first rotating block; a limiting block fixedly connected to the machine frame; a U-shaped rod clamped to the limiting block; external nuts provided on both sides of the U-shaped rod; a first nut threadedly connected to the U-shaped rod; and a second nut threadedly connected to the U-shaped rod.

[0009] Further, the connecting shaft includes a first clearance hole and a second clearance hole; one end of the U-shaped rod passes through the first clearance hole; the other end of the U-shaped rod passes through the second clearance hole.

[0010] Further, the first nut is located above the connecting shaft; the second nut is located below the connecting shaft.

[0011] Further, the limiting block includes a limiting groove; the limiting groove is used for limiting the U-shaped rod.

[0012] Further, the connecting shaft passes through the first rotating block.

[0013] Further, the fixing component includes: a handle fixedly connected to the fixing frame.

[0014] Further, there are two sets of the fixing components, which are respectively located at both ends of the fixing frame.

[0015] The beneficial effect of the present application is that: a fixing tool for five-axis CNC machining which is specifically convenient for fixing is provided. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings constituting a part of this application are used to provide a further understanding of this application, making other features, objects, and advantages of this application more obvious. The schematic embodiments and descriptions thereof of this application are used to explain this application and do not constitute an improper limitation of this application.

[0017] In addition, throughout the drawings, the same or similar reference numerals represent the same or similar elements. It should be understood that the drawings are schematic and the elements and elements are not necessarily drawn to scale.

[0018] In the drawings:

[0019] Figure 1 is the overall schematic diagram according to the embodiment of the present application;

[0020] Figure 2 is the structural schematic diagram of a part of the embodiment, mainly showing the structure of the vacuum base;

[0021] Figure 3 is Figure 2 the enlarged view of part A of, mainly showing the structure of the U-shaped rod;

[0022] Figure 4A schematic structural diagram of a part of an embodiment, mainly showing the structures of the first clearance hole and the second clearance hole.

[0023] Reference numerals:

[0024] 100, Fixed fixture for five-axis CNC machining; 101, Frame; 102, Vacuum base; 102a, Vacuum channel;

[0025] 102b, First abutting surface; 103, Pressing plate; 103a, Second abutting surface; 104, Support block; 105, Fixed frame;

[0026] 106, Connecting plate; 107, Fixed plate; 108, First rotating block; 109, Connecting shaft; 109a, First clearance hole;

[0027] 109b, Second clearance hole; 110, Limiting block; 110a, Limiting groove; 112, U-shaped rod; 112a, Outer nut; 113, First nut; 114, Second nut; 115, Handle; 116, Workpiece. Detailed implementation manners

[0028] Hereinafter, embodiments of the present disclosure will be described in more detail with reference to the drawings. Although some embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure can be implemented in various forms and should not be construed as limited to the embodiments set forth herein. On the contrary, these embodiments are provided to more thoroughly and completely understand the present disclosure. It should be understood that the drawings and embodiments of the present disclosure are only for exemplary purposes and are not used to limit the protection scope of the present disclosure.

[0029] In addition, it should be noted that for the sake of convenience of description, only parts related to the relevant invention are shown in the drawings. Without conflict, the embodiments in the present disclosure and the features in the embodiments can be combined with each other.

[0030] It should be noted that the concepts such as "first" and "second" mentioned in the present disclosure are only used to distinguish different devices, modules or units, and are not used to limit the order or mutual dependence relationship of the functions executed by these devices, modules or units.

[0031] It should be noted that the modifications of "one" and "multiple" mentioned in the present disclosure are illustrative rather than restrictive. Those skilled in the art should understand that unless otherwise clearly specified in the context, it should be understood as "one or more".

[0032] Hereinafter, the present disclosure will be described in detail with reference to the drawings and in combination with the embodiments.

[0033] Refer to Figures 1-4, A fixing fixture 100 for five-axis CNC machining, used for fixing a workpiece 116, comprising: a frame 101, a vacuum base 102, a pressing plate 103, a supporting block 104, a fixing frame 105, a connecting plate 106, and a fixing component for fixing the fixing frame 105 to the frame 101. The vacuum base 102 is fixedly connected to the frame 101. The pressing plate 103 abuts against the workpiece 116. The supporting block 104 abuts against the frame 101. The fixing frame 105 is fixedly connected to the supporting block 104. The connecting plate 106 is fixedly connected to the fixing frame 105. There are multiple pressing plates 103.

[0034] Among them, the pressing plate 103 is located below the fixing frame 105 and is fixedly connected to the fixing frame 105. The vacuum base 102 includes a vacuum channel 102a and a first abutting surface 102b, and the first abutting surface 102b fits against the inner surface of the workpiece 116. The pressing plate 103 includes a second abutting surface 103a, and the second abutting surface 103a fits against the outer surface of the workpiece 116. A vacuum pump is provided on one side of the vacuum base 102, and the vacuum pump performs vacuum adsorption on the inner surface of the workpiece 116 through the vacuum channel 102a.

[0035] The fixing component is used to fixedly connect the fixing frame 105 to the frame 101. There are two groups of fixing components, respectively located at both ends of the fixing frame 105. The fixing component includes: a fixing plate 107, a first rotating block 108, a connecting shaft 109, a limiting block 110, a U-shaped rod 112, a first nut 113, a second nut 114, and a handle 115. The fixing plate 107 is fixedly connected to the connecting plate 106. The first rotating block 108 is rotatably connected to the fixing plate 107.

[0036] The connecting shaft 109 passes through the first rotating block 108 and is fixedly connected to the first rotating block 108. The limiting block 110 is fixedly connected to the frame 101. The U-shaped rod 112 is clamped with the limiting block 110. External nuts 112a are provided on both sides of the U-shaped rod 112. The first nut 113 is threadedly connected to the U-shaped rod 112. The second nut 114 is threadedly connected to the U-shaped rod 112. The first nut 113 is located above the connecting shaft 109, and the second nut 114 is located below the connecting shaft 109. The handle 115 is fixedly connected to the fixing frame 105. The connecting shaft 109 includes a first clearance hole 109a and a second clearance hole 109b. One end of the U-shaped rod 112 passes through the first clearance hole 109a, and the other end of the U-shaped rod 112 passes through the second clearance hole 109b. The limiting block 110 includes a limiting groove 110a for limiting the U-shaped rod 112. The U-shaped rod 112 is clamped into the limiting groove 110a of the limiting block 110, and then the first nut 113 and the second nut 114 are tightened, so that the fixing frame 105 is fixed to the frame 101, and the pressing plate 103 is fixed to the frame 101, thereby completing the fixing of the workpiece 116, and the fixing is more convenient.

[0037] Workflow: Fit the inner surface of workpiece 116 to the first abutting surface 102b of the vacuum base 102, then fit the pressure plate 103 to the inner surface of workpiece 116, snap the U-shaped rod 112 into the limiting groove 110a of the limiting block 110, and then tighten the first nut 113 and the second nut 114, so as to fix the fixing frame 105 to the machine frame 101 and fix the pressure plate 103 to the machine frame 101, thus completing the fixation of workpiece 116. The fixation is more convenient. Then, the vacuum pump performs vacuum adsorption on the inner surface of workpiece 116 through the vacuum channel 102a to complete the fixation of workpiece 116. Then, the five-axis CNC processes workpiece 116.

[0038] The above description is only some preferred embodiments of the present disclosure and an explanation of the applied technical principles. Those skilled in the art should understand that the scope of the invention involved in the embodiments of the present disclosure is not limited to the technical solutions formed by the specific combination of the above technical features, and should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the above inventive concept. For example, the technical solutions formed by mutually replacing the above features with the technical features (but not limited to) having similar functions disclosed in the embodiments of the present disclosure.

Claims

1. A five-axis CNC machining fixture for fixing a workpiece, comprising: frame; Features: The five-axis CNC machining fixed tooling also includes: A vacuum base, fixedly connected to the frame; A pressure plate abutting against the workpiece; A support block abuts against the frame; A fixed frame, fixedly connected to the support block; A connecting plate, fixedly connected to the fixing frame; A fixing assembly, used for fixing the fixing frame to the frame; Wherein, the pressing plate is located below the fixing frame and is fixedly connected to the fixing frame; the vacuum base includes a vacuum channel and a first abutting surface; the first abutting surface abuts against the inner surface of the workpiece; the pressing plate includes a second abutting surface; the second abutting surface abuts against the outer surface of the workpiece.

2. The five-axis CNC machining fixture according to claim 1, characterized in that: The fixing assembly comprises: A fixing plate fixedly connected to the connecting plate; A first rotating block is rotatably connected to the fixed plate; A connecting shaft, fixedly connected to the first rotating block; A limit block, fixedly connected to the frame; A U-shaped rod is clamped with the limit block; outer nuts are provided on both sides of the U-shaped rod; A first nut, threadedly connected to the U-shaped rod; The second nut is threadedly connected to the U-shaped rod.

3. The five-axis CNC machining fixture according to claim 2, characterized in that: The connecting shaft includes a first air avoidance hole and a second air avoidance hole; The first avoidance hole is for one end of the U-shaped rod to pass through; The second avoidance hole is for the other end of the U-shaped rod to pass through.

4. The five-axis CNC machining fixture according to claim 3, characterized in that: The first nut is located above the connecting shaft; The second nut is located below the connecting shaft.

5. The five-axis CNC machining fixture according to claim 4, characterized in that: The limiting block comprises a limiting groove; The limiting groove is used for limiting the position of the U-shaped rod.

6. The five-axis CNC machining fixture according to claim 5, characterized in that: The connecting shaft passes through the first rotating block.

7. The five-axis CNC machining fixture according to claim 6, characterized in that: The fixing assembly comprises: The handle is fixedly connected to the fixing frame.

8. The five-axis CNC machining fixture according to claim 7, characterized in that: The fixing components are provided with two groups, which are respectively located at two ends of the fixing frame.

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