Automatic tool setting device of high-precision numerical control milling machine

Abstract

The utility model discloses a high-precision numerical control milling machine automatic tool setting device which comprises a base, and the upper end of the base is connected with a tool in an inserted mode. The grinding assembly comprises a hollow cylinder, a plurality of arc-shaped pieces are arranged on the inner side face of the hollow cylinder, and the lower ends of the arc-shaped pieces are slidably connected with the hollow cylinder; and the opposite side surfaces of the arc-shaped sheets are rough surfaces and are in extrusion contact with the cutter. The device is high in precision; when the cutter is inserted downwards, the outer side of the cutter can be ground, and the sharpness is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to numerical control milling machine technical field, specifically point to a kind of high-precision numerical control milling machine automatic tool setting device. BACKGROUND

[0002] Numerical control milling machine is a kind of high-precision, high-efficiency automatic machine tool equipment, working principle is through computer control system to process program into machine tool controller, controller controls each axis and main shaft movement according to program instruction.Numerical control milling machine is widely used in mechanical manufacturing, automobile industry, aerospace, mould manufacturing and multiple fields due to its high precision and high efficiency.

[0003] Numerical control milling machine is commonly used to cut the tool, through tooling in workpiece surface test cutting, record machine coordinates, calculate workpiece coordinate system.But the above-mentioned mode is applicable to the occasion of lower machining precision, for the higher precision machining scene, it needs more accurate tool setting mode;In addition, the sharpness of tooling will gradually reduce under high-frequency use, and the grinding of tooling in prior art needs separate operation. SUMMARY

[0004] The utility model solves the above-mentioned, precision higher machining scene, needs more accurate tool setting mode technical problem, provide a kind of high-precision numerical control milling machine automatic tool setting device.

[0005] To solve the above technical problems, the technical scheme provided by the utility model is as follows: a kind of high-precision numerical control milling machine automatic tool setting device, including pedestal, and the tool is inserted on the upper end of pedestal;Further comprising:

[0006] Air blowing assembly;Including vertical plate, air blowing column is equipped on the vertical plate, and the air blowing column is communicated with the air inlet on the side of vertical plate;

[0007] Detection assembly;Including lower base and upper base;The upper base is slidably arranged on the outer side of the upper end of lower base;Upper base is equipped with jacks in, and the pressure block is arranged on the lower end of jacks;Lower base is equipped with mounting column in, and the induction block is arranged on the upper end of mounting column;Spring is arranged on the outer side of mounting column;

[0008] Grinding assembly;Including hollow cylinder, the inner side of hollow cylinder is equipped with a plurality of arc-shaped pieces, and the lower end of arc-shaped piece is slidably connected with hollow cylinder;The opposite side of arc-shaped piece is rough surface, and is in extrusion contact with tooling.

[0009] Further, the upper surface of the pedestal is equipped with assembly hole in four corners, and is fixed on the machine tool workbench through assembly hole.

[0010] Further, the upper end of upper base is equipped with contact end, and the upper surface of contact end is equipped with contact plate in the middle.

[0011] Further, the spring upper end exceeds the induction block; the inner diameter of the spring is larger than the diameter of the pressing block and smaller than the diameter of the top column.

[0012] Further, the lower base upper end is connected with a lead wire, and the lead wire extends out of the vertical plate.

[0013] Further, the arc-shaped pieces are provided with limiting sliding blocks at lower ends, and the inner side of the hollow cylinder is provided with limiting sliding grooves capable of being slidably connected with the limiting sliding blocks; the limiting sliding blocks and the limiting sliding grooves are dovetail-shaped in cross section.

[0014] Compared with the prior art, the utility model has the advantages of:

[0015] Through the contact type triggering mode, the contact signal of the cutter and the induction block is detected by using the strain sensor, the cutter coordinates are analyzed after the signal is collected, and the precision is high.

[0016] The hollow cylinder and the extruded arc-shaped strip are arranged at the upper end, so that the outer side of the cutter can be ground when the cutter is inserted downward, and the sharpness is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model.

[0018] Figure 2 It is a split structural schematic diagram of the utility model.

[0019] Figure 3 It is a hollow cylinder cutting structural schematic diagram of the utility model.

[0020] Figure 4 It is a sectional structural schematic diagram of the hollow cylinder and the arc-shaped strip of the utility model.

[0021] As shown in the drawings: 1, base, 2, cutter, 3, assembly hole, 4, vertical plate, 5, air blowing column, 6, air inlet end, 7, lower base, 8, upper base, 9, contact end, 10, contact plate, 11, top column, 12, pressing block, 13, mounting column, 14, induction block, 15, spring, 16, lead wire, 17, hollow cylinder, 18, arc-shaped piece, 19, limiting sliding block, 20, limiting sliding groove. DETAILED DESCRIPTION

[0022] The utility model will be further described in detail in combination with the drawings.

[0023] Example one, in combination with the drawings Figure 1 A high-precision numerical control milling machine automatic tool setting device, including base 1, base 1 upper end and cutter 2 insert, carry out tool setting operation;

[0024] The base 1 upper surface is provided with assembly holes 3 at four corners, and is fixed on the machine tool workbench through the assembly holes 3.

[0025] Combining the drawings Figure 1 , further comprising a blowing assembly; comprising a vertical plate 4, the vertical plate 4 is provided with a blowing column 5, one side of the vertical plate 4 is provided with an air inlet end 6 capable of communicating with the blowing column 5;

[0026] In the above structure, the blowing assembly is an important auxiliary component, which is used for cleaning the surface of the tool to remove cutting chips, dust or coolant residues, and ensures the accuracy and reliability of the measurement;

[0027] Combining the drawings Figure 1 , 2 , further comprising a detection assembly; comprising a lower base 7 and an upper base 8; the upper base 8 is slidingly arranged on the outer side of the upper end of the lower base 7; specifically, the upper base 8 is provided with a top column 11, the lower end of the top column 11 is provided with a pressing block 12, the lower base 7 is provided with a mounting column 13, the upper end of the mounting column 13 is provided with a sensing block 14; the outer side of the mounting column 13 is provided with a spring 15; the upper end of the spring 15 exceeds the sensing block 14; the inner diameter of the spring 15 is greater than the diameter of the pressing block 12 and less than the diameter of the top column 11;

[0028] In addition, the upper end of the upper base 8 is provided with a contact end 9, and the upper surface of the contact end 9 is provided with a contact plate 10; the lower base 7 is connected with a wire 16, and the wire 16 extends out of the vertical plate 4;

[0029] In the above structure, when the lower end of the tool 2 presses the contact plate 10 and drives the upper base 8, the top column 11 and the pressing block 12 to move downward, until the pressing block 12 gradually presses the spring 15 downward and contacts the sensing block 14; at this time, the tool position information is recorded and analyzed by the sensing block 14 and the externally connected data processing structure;

[0030] Combining the drawings Figure 1 , 3 , 4, further comprising a grinding assembly; comprising a hollow cylinder 17, the inner side of the hollow cylinder 17 is provided with a plurality of arc-shaped pieces 18, the lower end of the arc-shaped piece 18 is slidingly connected with the hollow cylinder 17; the opposite sides of the arc-shaped piece 18 are both rough surfaces and are in extrusion contact with the tool 2; so that when the tool 2 is inserted downward, the outer side of the tool 2 can be ground, and the sharpness is improved;

[0031] Based on the above structure, the lower end of the arc-shaped piece 18 is provided with a limiting sliding block 19, and the inner side of the hollow cylinder 17 is provided with a limiting sliding groove 20 capable of slidingly connecting with the limiting sliding block 19; the cross section of the limiting sliding block 19 and the limiting sliding groove 20 is dovetail-shaped; the limiting sliding block 19 and the limiting sliding groove 20 can limit the lower end of the arc-shaped piece 18, so that it can move up and down without deformation and fall out.

[0032] The above has described the utility model and its implementation mode, which is not restrictive, and the drawings only show one of the implementation modes of the utility model, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired thereby, without departing from the creative purpose of the utility model, similar structural modes and embodiments are not creatively designed, which should belong to the protection scope of the utility model.

Claims

1. A high-precision automatic tool setting device for a numerical control milling machine, comprising a base (1) having an upper end to which a tool (2) is inserted; characterized in that: Also include: Blowing assembly; including the vertical plate (4), the vertical plate (4) is provided with blowing column (5), one side of vertical plate (4) is provided with air inlet end (6) capable of communicating with blowing column (5); Detection assembly; including the lower base (7) and the upper base (8); the upper base (8) is slidably arranged on the outer side of the upper end of the lower base (7); the upper base (8) is provided with a top column (11) inside, the lower end of the top column (11) is provided with a pressing block (12), the lower base (7) is provided with a mounting column (13) inside, the upper end of the mounting column (13) is provided with a sensing block (14); the outer side of the mounting column (13) is provided with a spring (15); Grinding assembly; including the hollow cylinder (17), the inner side of the hollow cylinder (17) is provided with a plurality of arc-shaped pieces (18), the lower end of the arc-shaped piece (18) is slidably connected with the hollow cylinder (17); the opposite sides of the arc-shaped piece (18) are rough surfaces and are in extrusion contact with the cutter (2).

2. The automatic tool setting device of claim 1, wherein: The base (1) is provided with assembly holes (3) on the upper surface of the four corners, and is fixed on the machine tool workbench through the assembly holes (3).

3. The automatic tool setting device of claim 1, wherein the automatic tool setting device is characterized by: The upper end of the upper base (8) is provided with a contact end (9), and the upper surface of the contact end (9) is provided with a contact plate (10) at the middle end.

4. The automatic tool setting device of claim 1, wherein: The upper end of the spring (15) exceeds the sensing block (14); the inner diameter of the spring (15) is greater than the diameter of the pressing block (12) and less than the diameter of the top column (11).

5. The automatic tool setting device of high-precision numerical control milling machine according to claim 1, characterized in that: The lower base (7) is connected with a wire (16), and the wire (16) extends out of the vertical plate (4).

6. The automatic tool setting device of high-precision numerical control milling machine according to claim 1, characterized in that: The lower end of the arc-shaped piece (18) is provided with a limiting sliding block (19), and the inner side of the hollow cylinder (17) is provided with a limiting sliding groove (20) capable of being slidably connected with the limiting sliding block (19); the cross section of the limiting sliding block (19) and the limiting sliding groove (20) is dovetail shape.

Images