Numerical control engraving and milling machine for precision machining

Abstract

The numerical control engraving and milling machine for precision machining comprises a base, a top plate is arranged above the base, supporting columns fixedly connected with the upper end face of the base are fixedly connected to the four corners of the lower end face of the top plate, and a square table is fixedly connected to the upper end face of the base. Four fixed plates which are circumferentially and uniformly distributed are fixedly connected to the upper end face of the square table, a movable clamping plate which is slidably connected with the upper end face of the square table is arranged on one face of each fixed plate, a rubber pad is fixedly connected to one face of each movable clamping plate, and two limiting rods are fixedly connected to the other face of each movable clamping plate; the limiting rods penetrate through the corresponding fixing plates and are in sliding connection with the penetrating parts, and a first movable screw which penetrates through the corresponding fixing plates and is in threaded connection with the penetrating parts is arranged between the two limiting rods. According to the numerical control engraving and milling machine for precision machining, an engraving and milling piece can be limited and clamped, so that the phenomenon that the engraving and milling piece is prone to displacement during engraving and milling can be avoided, and the numerical control engraving and milling machine is practical.

Description

Technical Field

[0001] The utility model relates to the technical field of engraving and milling machines, in particular to a numerically controlled engraving and milling machine for precision machining. Background Art

[0002] As a type of CNC machine tool, milling machines are the CNC counterpart to traditional engraving machines. They can perform both engraving and milling operations. Compared to engraving machines, milling machines are suitable for processing materials with higher hardness, and their processing efficiency and precision are also improved. Milling machines are the most widely used processing equipment for the fine processing of small molds, copper processing, graphite processing, etc. CNC milling machines are also needed for precision processing.

[0003] The published patent document with publication number CN218891230U discloses a CNC engraving and milling machine that is convenient for replacing the cutter head. The machine includes a supporting platform and a positioning ring fixed at the center of the top surface of the supporting platform. The positioning ring is connected to the engraving and milling machine body through an adjustment mechanism, and the engraving and milling machine body is connected to the processing cutter head through a limiting mechanism.

[0004] However, the above-mentioned existing technology still has some shortcomings when used. The above-mentioned existing technology does not have the function of limiting the engraving and milling parts, which easily causes the engraving and milling parts to move during the engraving and milling process, thereby affecting the engraving and milling effect. For this reason, we propose a CNC engraving and milling machine for precision machining. Utility Model Content

[0005] The utility model provides a numerically controlled engraving and milling machine for precision machining, which solves the technical problems raised by the background technology in the prior art.

[0006] The solution of the utility model to solve the above technical problems is as follows: it includes a base, a top plate is provided above the base, and the four corners of the lower end surface of the top plate are fixedly connected to support columns fixedly connected to the upper end surface of the base, the upper end surface of the base is fixedly connected to a square table, and the upper end surface of the square table is fixedly connected to four fixed plates evenly distributed on the circumference, one side of the fixed plate is provided with a movable splint slidably connected to the upper end surface of the square table, and one side of the movable splint is fixedly connected to a rubber pad, and the other side of the movable splint is fixedly connected to two limit rods, the limit rod passes through the corresponding fixed plate and is slidably connected to the passing part, and a movable screw 1 passing through the corresponding fixed plate and threadedly connected to the passing part is provided between the two limit rods, and one end of the movable screw 1 is rotatably connected to the corresponding movable splint, and the other end of the movable screw 1 is fixedly connected to a rotating handle.

[0007] On the basis of the above technical solution, the present invention can also be improved as follows.

[0008] Furthermore, support blocks are fixedly connected to the four corners of the lower end surface of the base, and an anti-skid plate is fixedly connected to the lower end surface of the support block.

[0009] Furthermore, a circular disk is provided below the top plate, and a limiting ring groove is provided on the lower end surface of the circular disk. A hollow plate is provided below the circular disk, and two limiting columns are fixedly connected to the upper end surface of the hollow plate, both of which are slidably connected to the inner wall of the limiting ring groove.

[0010] Furthermore, the upper end surface of the circular disk is fixedly connected to a fixing frame, a rotating motor is fixedly connected inside the fixing frame, an output end of the rotating motor is fixedly connected to a rotating shaft that passes through the circular disk and is rotatably connected to the passing part, and one end of the rotating shaft is fixedly connected to the hollow plate.

[0011] Furthermore, an electric telescopic rod is provided above the fixing frame, which passes through the top plate and is fixedly connected to the passing portion, and the output end of the electric telescopic rod is fixedly connected to the upper end surface of the fixing frame.

[0012] Furthermore, a sliding groove is provided on the lower end surface of the hollow plate, a threaded slider is slidably connected to the inner wall of the sliding groove, the lower end of the threaded slider is fixedly connected to the engraving and milling machine body, and a processing tool head is provided at the lower end of the engraving and milling machine body.

[0013] Furthermore, a bidirectional motor is fixedly connected to one end of the hollow plate, and a movable screw rod 2 is fixedly connected to the output end of the bidirectional motor, which penetrates the threaded slider and is threadedly connected to the penetrating portion.

[0014] The beneficial effects of the present invention are as follows: the present invention provides a CNC engraving and milling machine for precision machining, which has the following advantages:

[0015] Through the cooperation between the provided rotating handle, movable screw rod, limiting rod, fixed plate, movable clamping plate and square table, the engraving and milling parts can be limited and clamped during engraving and milling processing, thereby preventing the engraving and milling parts from being easily displaced during engraving and milling processing, thereby improving practicality.

[0016] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention and to implement it according to the contents of the description, the following is a detailed description of the preferred embodiments of the present invention with the accompanying drawings. The specific implementation methods of the present invention are given in detail in the following embodiments and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0018] Figure 1 A schematic structural diagram of a CNC engraving and milling machine for precision machining provided by one embodiment of the present utility model;

[0019] Figure 2 for Figure 1 A schematic side view of the structure of a CNC engraving and milling machine for precision machining is provided;

[0020] Figure 3 for Figure 1 A schematic diagram of a front view and cross-section of the structure of a CNC engraving and milling machine for precision machining is provided;

[0021] Figure 4 for Figure 1 A schematic diagram of the structure of a circular disk in a CNC engraving and milling machine for precision machining is provided.

[0022] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0023] 1. Electric telescopic rod; 2. Top plate; 3. Fixed frame; 4. Rotating motor; 5. Circular disk; 6. Limiting column; 7. Hollow plate; 8. Threaded slider; 9. Engraving and milling machine body; 10. Processing tool head; 11. Support column; 12. Rotating handle; 13. Moving screw rod 1; 14. Limiting rod; 15. Fixed plate; 16. Moving splint; 17. Square table; 18. Base; 19. Support block; 20. Limiting ring groove; 21. Bidirectional motor; 22. Sliding groove; 23. Moving screw rod 2. DETAILED DESCRIPTION

[0024] The following is combined with Figure 1-4 The principles and features of the present invention are described, and the examples provided are intended only to illustrate the present invention and are not intended to limit the scope of the present invention. The following paragraphs describe the present invention in more detail by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more apparent from the following description and claims. It should be noted that the drawings are greatly simplified and not to exact scale, and are intended solely to facilitate and clearly illustrate the embodiments of the present invention.

[0025] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a central component. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a central component. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a central component. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meanings as those commonly understood by those skilled in the art to which this invention pertains. The terms used herein in the specification of this invention are for the purpose of describing specific embodiments only and are not intended to limit this invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0027] like Figure 1-4 As shown, the utility model provides a CNC engraving and milling machine for precision machining, including a base 18, a top plate 2 is provided above the base 18, and the four corners of the lower end surface of the top plate 2 are fixedly connected to support columns 11 fixedly connected to the upper end surface of the base 18, the upper end surface of the base 18 is fixedly connected to a square platform 17, and the upper end surface of the square platform 17 is fixedly connected to four fixed plates 15 evenly distributed in a circumference, one side of the fixed plate 15 is provided with a movable splint 16 slidably connected to the upper end surface of the square platform 17, and one side of the movable splint 16 is fixedly connected to a rubber pad, and the other side of the movable splint 16 is fixedly connected to two limiting rods 14, the limiting rod 14 passes through the corresponding fixed plate 15 and is slidably connected to the passing part, and a movable screw 13 passing through the corresponding fixed plate 15 and being threadedly connected to the passing part is provided between the two limiting rods 14, one end of the movable screw 13 is rotatably connected to the corresponding movable splint 16, and the other end of the movable screw 13 is fixedly connected to a rotating handle 12.

[0028] Preferably, support blocks 19 are fixedly connected to the four corners of the lower end surface of the base 18, and an anti-skid plate is fixedly connected to the lower end surface of the support block 19. The provision of the anti-skid plate can improve the anti-skid performance of the support block 19.

[0029] Preferably, a circular disk 5 is provided below the top plate 2, and a limiting ring groove 20 is provided on the lower end surface of the circular disk 5. A hollow plate 7 is provided below the circular disk 5, and two limiting columns 6 are fixedly connected to the upper end surface of the hollow plate 7, both of which are slidably connected to the inner wall of the limiting ring groove 20. The setting of the limiting columns 6 can improve the stability of the hollow plate 7 during rotation.

[0030] Preferably, the upper end surface of the circular disk 5 is fixedly connected to a fixing frame 3, a rotating motor 4 is fixedly connected inside the fixing frame 3, an output end of the rotating motor 4 is fixedly connected to a rotating shaft that passes through the circular disk 5 and is rotatably connected to the passing portion, and one end of the rotating shaft is fixedly connected to the hollow plate 7.

[0031] Preferably, an electric telescopic rod 1 is provided above the fixing frame 3, which passes through the top plate 2 and is fixedly connected to the passing portion. The output end of the electric telescopic rod 1 is fixedly connected to the upper end surface of the fixing frame 3. The setting of the electric telescopic rod 1 can enable the processing head 10 to be raised and lowered.

[0032] Preferably, a sliding groove 22 is provided on the lower end surface of the hollow plate 7, a threaded slider 8 is slidably connected to the inner wall of the sliding groove 22, the lower end of the threaded slider 8 is fixedly connected to the engraving and milling machine body 9, and a processing tool head 10 is provided at the lower end of the engraving and milling machine body 9.

[0033] Preferably, a bidirectional motor 21 is fixedly connected to one end of the hollow plate 7, and a movable screw rod 23 is fixedly connected to the output end of the bidirectional motor 21, which penetrates the threaded slider 8 and is threadedly connected to the penetrating portion. The setting of the movable screw rod 23 can enable the threaded slider 8 to move.

[0034] The specific working principle and usage of this utility model are as follows:

[0035] The utility model provides a CNC engraving and milling machine for precision machining. When in use, the engraving and milling workpiece is placed on a square table 17, and then each rotating handle 12 is rotated respectively, so that the rotating handle 12 drives the moving screw 13 to rotate, so that the moving screw 13 pushes the moving clamp 16 to move, and the engraving and milling workpiece is limited and clamped by the moving clamp 16 to facilitate the engraving and milling work, and then the moving screw 2 23 is rotated by the bidirectional motor 21, so that the threaded slider 8 can be moved left and right, and the processing head 10 can be moved left and right, and the hollow plate 7 can be rotated by the rotating motor 4, so that the engraving and milling position of the processing head 10 can be adjusted in all directions, and the processing head 10 can be lowered by the electric telescopic rod 1, so that the engraving and milling workpiece can be engraved and milled.

[0036] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Any ordinary technician in this industry can smoothly implement the present invention as shown in the drawings and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with this profession without departing from the scope of the technical solution of the present invention using the technical content disclosed above are all equivalent embodiments of the present invention. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the present invention are still within the scope of protection of the technical solution of the present invention.

Claims

1. A CNC engraving and milling machine for precision machining, comprising a base (18), characterized in that: A top plate (2) is provided above the base (18), and support columns (11) fixedly connected to the upper end surface of the base (18) are fixedly connected at the four corners of the lower end surface of the top plate (2). The upper end surface of the base (18) is fixedly connected to a square platform (17), and the upper end surface of the square platform (17) is fixedly connected to four fixed plates (15) evenly distributed in a circumference. One side of the fixed plate (15) is provided with a movable splint (16) slidably connected to the upper end surface of the square platform (17), and one side of the movable splint (16) is fixedly connected to a rubber The rubber pad is provided, and the other side of the movable splint (16) is fixedly connected with two limiting rods (14), the limiting rods (14) pass through the corresponding fixed plates (15) and are slidably connected to the passing portion, and a movable screw rod (13) is provided between the two limiting rods (14), which passes through the corresponding fixed plates (15) and is threadedly connected to the passing portion, and one end of the movable screw rod (13) is rotatably connected to the corresponding movable splint (16), and the other end of the movable screw rod (13) is fixedly connected to a rotating handle (12).

2. A CNC engraving and milling machine for precision machining according to claim 1, characterized in that: The four corners of the lower end surface of the base (18) are fixedly connected to support blocks (19), and the lower end surface of the support block (19) is fixedly connected to an anti-slide plate.

3. A CNC engraving and milling machine for precision machining according to claim 1, characterized in that: A circular plate (5) is provided below the top plate (2), and a limiting ring groove (20) is provided on the lower end surface of the circular plate (5). A hollow plate (7) is provided below the circular plate (5), and two limiting columns (6) are fixedly connected to the upper end surface of the hollow plate (7), both of which are slidably connected to the inner wall of the limiting ring groove (20).

4. A CNC engraving and milling machine for precision machining according to claim 3, characterized in that: The upper end surface of the circular disk (5) is fixedly connected to a fixing frame (3), the interior of the fixing frame (3) is fixedly connected to a rotating motor (4), the output end of the rotating motor (4) is fixedly connected to a rotating shaft that passes through the circular disk (5) and is rotatably connected to the passing portion, and one end of the rotating shaft is fixedly connected to the hollow plate (7).

5. A CNC engraving and milling machine for precision machining according to claim 4, characterized in that: An electric telescopic rod (1) is provided above the fixing frame (3), penetrating the top plate (2) and fixedly connected to the penetrating portion. The output end of the electric telescopic rod (1) is fixedly connected to the upper end surface of the fixing frame (3).

6. A CNC engraving and milling machine for precision machining according to claim 4, characterized in that: The lower end surface of the hollow plate (7) is provided with a sliding groove (22), the inner wall of the sliding groove (22) is slidably connected to a threaded slider (8), the lower end of the threaded slider (8) is fixedly connected to a milling machine body (9), and the lower end of the milling machine body (9) is provided with a processing cutter head (10).

7. A CNC engraving and milling machine for precision machining according to claim 6, characterized in that: A bidirectional motor (21) is fixedly connected to one end of the hollow plate (7), and a second moving screw (23) is fixedly connected to the output end of the bidirectional motor (21), which penetrates the threaded slider (8) and is threadedly connected to the penetrating portion.

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