Numerical control milling machine capable of quickly clamping workpiece

Abstract

The utility model discloses a numerical control milling machine capable of quickly clamping a workpiece, which comprises a processing table, a placing table is arranged at the center of the top of the processing table, extension tables are arranged on the left side and the right side of the processing table, two groups of limiting rails are arranged on the processing table in parallel, and the two groups of limiting rails are parallel to each other. Two sets of positioning plates are slidably arranged on the limiting rails in parallel, the positioning plates stretch across the two sets of limiting rails and are perpendicular to the limiting rails, sliding rails are arranged on the side walls, facing the containing table, of the positioning plates, and the two sets of sliding rails are transversely and oppositely arranged on the same straight line. A moving plate is slidably connected to the sliding rail, and a clamping plate is fixedly arranged at the side end of the moving plate. The utility model belongs to the technical field of numerical control milling machines, and particularly relates to a numerical control milling machine capable of quickly clamping workpieces.

Description

Technical Field

[0001] The utility model belongs to the technical field of numerical control milling machines, in particular to a numerical control milling machine which can quickly clamp a workpiece. Background Art

[0002] A CNC milling machine is a milling machine controlled by electronic digital signals. It is an automatic processing equipment developed on the basis of a general milling machine. The processing techniques of the two are basically the same, and the structures are somewhat similar. CNC milling machines are divided into two categories: those without tool magazines and those with tool magazines.

[0003] When a CNC milling machine processes a workpiece, the workpiece needs to be clamped and positioned. However, the existing CNC milling machines have a cumbersome process for clamping the workpiece, and it is difficult to clamp the workpiece quickly, which affects the processing speed of the CNC milling machine. In addition, the contact surfaces for clamping the workpiece are generally two surfaces, and the clamping stability is slightly weak. Utility Model Content

[0004] In order to solve the problems of complicated operation process for workpiece clamping and positioning, difficulty in fast clamping, and insufficient clamping stability, the utility model provides a CNC milling machine that can fast clamp the workpiece.

[0005] In order to achieve the above functions, the technical solution adopted by the utility model is as follows: a CNC milling machine that can quickly clamp workpieces includes a processing table, a placing table is arranged at the top center of the processing table, extension tables are arranged on the left and right sides of the processing table, a limiting rail is arranged on the processing table, the limiting rails are arranged in two groups and are arranged parallel to each other, a positioning plate is slidably arranged on the limiting rails, the positioning plates are arranged in two groups and are arranged parallel to each other, the positioning plates span the two groups of limiting rails and are arranged perpendicular to the limiting rails, a sliding rail is arranged on the side wall of the positioning plate facing the placing table, and two groups of sliding rails are arranged horizontally opposite to each other on the same straight line, a movable plate is slidably connected to the slide rail, and a clamping plate is fixedly arranged on the side end of the movable plate.

[0006] As a preferred technical solution of the utility model, a support block is arranged on the extension platform, a cylinder is installed on the support block, and an output end of the cylinder is connected to the positioning plate.

[0007] As a preferred technical solution of the utility model, an electric telescopic rod is installed on the positioning plate, and four groups of electric telescopic rods are arranged, and the four groups of electric telescopic rods are respectively located at the two ends of the positioning plates on both sides, and the output end of the electric telescopic rod is connected to a connecting plate, and the connecting plate is connected to the top end of the movable plate.

[0008] As a preferred technical solution of the present utility model, the movable plate is arranged in a T-shaped structure.

[0009] As a preferred technical solution of the utility model, rubber cushion layers are adhered to the outer walls of the clamping plate and the positioning plate.

[0010] As a preferred technical solution of the utility model, feet are arranged at the four corners of the bottom of the processing table.

[0011] Compared with the prior art, the utility model adopts the above structure to achieve the following beneficial effects: the two groups of positioning plates are controlled by the cylinder to slide on the limit rails, and the two groups of positioning plates move toward each other to clamp and position the left and right sides of the workpiece on the placement table, and then the electric telescopic rod drives the moving plate to slide on the slide rail through the connecting plate through its own extension and contraction, so that the clamping plates on the four groups of moving plates clamp and position the four corners of the front and back sides of the placement table, and the four-sided clamping and positioning have strong clamping stability, and the cylinder and the electric telescopic rod are controlled to quickly clamp the workpiece when clamping, so that the workpiece can be clamped quickly, thereby improving the processing speed of the CNC milling machine on the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the overall structure of a CNC milling machine capable of quickly clamping a workpiece proposed by the utility model;

[0013] Figure 2 This is a schematic diagram of the overall structure of a CNC milling machine capable of quickly clamping a workpiece proposed by the utility model;

[0014] Figure 3 This is a schematic diagram of the overall structure of a CNC milling machine capable of quickly clamping a workpiece proposed by the utility model;

[0015] Figure 4 for Figure 1 A partial enlarged view of point A in the middle.

[0016] Among them, 1. processing table, 2. placing table, 3. extension table, 4. limit rail, 5. positioning plate, 6. slide rail, 7. moving plate, 8. clamping plate, 9. support block, 10. cylinder, 11. electric telescopic rod, 12. connecting plate, 13. foot. DETAILED DESCRIPTION

[0017] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] In the description of the present utility model, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance. The present utility model is further described in detail below in conjunction with the accompanying drawings.

[0019] like Figure 1-4 As shown, the utility model provides a CNC milling machine capable of quickly clamping a workpiece, comprising a processing table 1, feet 13 are arranged at the four corners of the bottom of the processing table 1, a placing table 2 is arranged at the center of the top of the processing table 1 for placing the workpiece to be processed, extension tables 3 are arranged on the left and right sides of the processing table 1, a limit rail 4 is arranged on the processing table 1, the limit rail 4 is arranged in two groups and is arranged parallel to each other, a positioning plate 5 is slidably arranged on the limit rail 4, the positioning plate 5 is arranged in two groups and is arranged parallel to each other, the positioning plate 5 spans the two groups of limit rails 4 and is vertical to the limit rail 4 The two sets of positioning plates 5 are arranged in a straight line, and a slide rail 6 is arranged on the side wall of the positioning plate 5 facing the placement table 2, and two sets of slide rails 6 are arranged horizontally opposite to each other on the same straight line. A movable plate 7 is slidably connected to the slide rail 6, and the movable plate 7 is arranged in a T-shaped structure. A clamping plate 8 is fixedly arranged on the side end of the movable plate 7. The two sets of positioning plates 5 move toward each other to clamp and position the left and right sides of the workpiece on the placement table 2, and then the movable plate 7 slides on the slide rail 6, so that the clamping plates 8 on the four sets of movable plates 7 clamp and position the four corners of the front and rear sides of the placement table 2. The four-sided clamping and positioning have strong clamping stability.

[0020] like Figure 1-4 As shown, a support block 9 is provided on the extension platform 3, and a cylinder 10 is installed on the support block 9. The output end of the cylinder 10 is connected to the positioning plate 5, and the cylinder 10 controls the positioning plate 5 to slide on the limit rail 4; an electric telescopic rod 11 is installed on the positioning plate 5, and four groups of electric telescopic rods 11 are provided, and the four groups of electric telescopic rods 11 are respectively located at the two ends of the positioning plates 5 on both sides, and the output end of the electric telescopic rod 11 is connected to a connecting plate 12, and the connecting plate 12 is connected to the top of the movable plate 7, and the electric telescopic rod 11 drives the clamping plate 8 on the movable plate 7 to move through the connecting plate 12 by its own extension and contraction.

[0021] Rubber cushion layers are adhered to the outer walls of the clamping plate 8 and the positioning plate 5 .

[0022] During specific use, the workpiece is placed on the placement table 2, and then the cylinder 10 and the electric telescopic rod 11 are turned on accordingly. The cylinder 10 controls the two groups of positioning plates 5 to slide on the limit rails 4, and the two groups of positioning plates 5 move toward each other to clamp and position the left and right sides of the workpiece on the placement table 2. Then the electric telescopic rod 11 drives the moving plate 7 to slide on the slide rail 6 through the connecting plate 12 through its own extension and contraction, so that the clamping plates 8 on the four groups of moving plates 7 clamp and position the four corners of the front and rear sides of the placement table 2, and the four-sided clamping and positioning completes the rapid clamping of the workpiece.

[0023] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A CNC milling machine capable of quickly clamping a workpiece, comprising a processing table (1), wherein a placing table (2) is arranged at the top center of the processing table (1), and characterized in that: Extension platforms (3) are provided on both left and right sides of the processing table (1); a limit rail (4) is provided on the processing table (1); two groups of the limit rails (4) are provided and are arranged parallel to each other; a positioning plate (5) is slidably provided on the limit rails (4); two groups of the positioning plates (5) are provided and are arranged parallel to each other; the positioning plate (5) spans the two groups of limit rails (4) and is arranged perpendicular to the limit rails (4); a slide rail (6) is provided on the side wall of the positioning plate (5) facing the placement table (2); and two groups of the slide rails (6) are arranged horizontally opposite to each other on the same straight line; a movable plate (7) is slidably connected to the slide rail (6); a clamping plate (8) is fixedly provided on the side end of the movable plate (7).

2. A CNC milling machine capable of quickly clamping a workpiece according to claim 1, characterized in that: A support block (9) is arranged on the extension platform (3), a cylinder (10) is installed on the support block (9), and an output end of the cylinder (10) is connected to the positioning plate (5).

3. A CNC milling machine capable of quickly clamping a workpiece according to claim 2, characterized in that: An electric telescopic rod (11) is installed on the positioning plate (5), and four groups of the electric telescopic rod (11) are arranged, and the four groups of electric telescopic rods (11) are respectively located at two ends of the positioning plates (5) on both sides, and the output end of the electric telescopic rod (11) is connected to a connecting plate (12), and the connecting plate (12) is connected to the top end of the movable plate (7).

4. A CNC milling machine capable of quickly clamping a workpiece according to claim 3, characterized in that: The movable plate (7) is arranged in a T-shaped structure.

5. A CNC milling machine capable of quickly clamping a workpiece according to claim 4, characterized in that: The outer walls of the clamping plate (8) and the positioning plate (5) are both adhered with a rubber cushion layer.

6. A CNC milling machine capable of quickly clamping a workpiece according to claim 5, characterized in that: The four corners of the bottom of the processing table (1) are all provided with pads (13).

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