Hard alloy spiral straight shank end mill

Abstract

The utility model discloses a hard alloy spiral straight shank end milling cutter which comprises a cutter body and a cutter holder, the cutter body is fixedly arranged on the cutter holder, the cutter holder is provided with a liquid storage cavity, the liquid storage cavity is of an annular columnar structure, the end, close to a mounting seat, of the liquid storage cavity penetrates through the cutter holder, and the cutter body is provided with a plurality of first liquid storage grooves communicated with the liquid storage cavity. The multiple first liquid storage grooves are each provided with a second liquid storage groove, the second liquid storage grooves are distributed in the two sides of the first liquid storage grooves, an installation base is arranged on one side of the tool apron, an installation block is fixedly arranged on one side of the installation base, an installation assembly connected with the installation block is arranged on the outer wall of the tool apron, the installation assembly comprises a fastening bolt and an installation groove, and the installation groove is formed in the side end of the tool apron. Cooling liquid flows into the first liquid storage grooves through the liquid storage cavity to cool the cutter body, meanwhile, the cooling liquid in the first liquid storage grooves can flow into the second liquid storage grooves in the two sides, the contact area between the cooling liquid and the cutter body is increased, the cooling effect on the cutter body is improved, and the service life of the cutter body is prolonged.

Description

Technical Field

[0001] The utility model belongs to the technical field of straight shank end mills, in particular to a cemented carbide spiral straight shank end mill. Background Art

[0002] Straight-shank end mills have a cylindrical shank, unlike tapered milling cutters. The primary cutting edge is located on the cylindrical surface, while the secondary cutting edge is located on the end face. Feed motion along the cutter's axis is not permitted during operation. According to national standards, end mills range in diameter from 2 to 50 mm and are categorized as either coarse or fine-toothed. Straight shanks have diameters from 2 to 20 mm, while tapered shanks range from 14 to 50 mm. Milling cutters come in a variety of shapes and sizes, and are used for machining slots and straight contours on conventional and CNC milling machines, as well as for machining cavities, cores, and curved contours on boring and milling centers.

[0003] The existing straight shank end mills are usually solid inside, which makes it impossible to place coolant inside the straight shank end mills. However, when the straight shank end mills rotate for a long time and at high speed, the cutter head is easily overheated, thereby reducing the service life of the cutter head and having certain defects. Utility Model Content

[0004] For existing straight shank end mills, the interior is usually solid, which makes it impossible to place coolant inside the straight shank end mills. However, when the straight shank end mills rotate for a long time and at high speed, the cutter head is easily overheated, thereby reducing the service life of the cutter head. There are certain defects. The utility model provides a cemented carbide spiral straight shank end mill.

[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solution: a carbide spiral straight shank end mill, comprising a cutter body and a cutter seat, the cutter body is fixedly arranged on the cutter seat, a liquid storage cavity is provided on the cutter body, a plurality of first liquid storage tanks connected to the liquid storage cavity are provided on the cutter body, a second liquid storage tank is provided on each of the plurality of first liquid storage tanks, the second liquid storage tanks are distributed on both sides of the first liquid storage tank, a mounting seat is provided on one side of the cutter seat, a mounting block is fixedly provided on one side of the mounting seat, and a mounting component connected to the mounting block is provided on the outer wall of the cutter seat.

[0006] Preferably, a bottom blade is provided at the end of the cutter body, and the bottom blade is composed of a plurality of cemented carbide blades distributed in an annular shape.

[0007] Preferably, a plurality of chip removal grooves are provided on the surface of the cutter body, and the plurality of chip removal grooves are distributed in a spiral shape.

[0008] Preferably, the liquid storage cavity is an annular columnar structure, and the liquid storage cavity passes through the knife seat at one end close to the mounting seat.

[0009] Preferably, a liquid filling port communicating with the liquid storage cavity is provided on the tool holder, and a sealing bolt is provided in the liquid filling port.

[0010] Preferably, the mounting assembly includes a fastening bolt and a mounting groove, the mounting groove is arranged at the side end of the tool holder, the mounting groove is adapted to the mounting block, a plurality of the fastening bolts are provided, and the plurality of the fastening bolts all pass through the outer wall of the tool holder, and the mounting block is provided with a plurality of threaded holes adapted to the plurality of the fastening bolts.

[0011] Preferably, the mounting block contacts the bottom wall of the mounting groove, and the mounting block is used to seal the liquid storage cavity.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. The coolant flows into the multiple first liquid storage tanks through the liquid storage chamber to cool the cutter body. At the same time, the coolant in the multiple first liquid storage tanks will flow into the second liquid storage tanks on both sides, thereby increasing the contact area with the cutter body, thereby improving the cooling effect on the cutter body and increasing the service life of the cutter body.

[0014] 2. The liquid storage cavity is blocked by the mounting block contacting the bottom wall of the mounting groove. When the coolant in the liquid storage cavity needs to be discharged, multiple fastening bolts are removed to separate the mounting seat from the tool holder, and the coolant in the liquid storage cavity can be discharged, which is convenient for cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic structural diagram of the overall cross-section of the utility model;

[0017] Figure 3 It is a schematic diagram of the structure of a partial cross-section of the present utility model;

[0018] Figure 4 For this utility model Figure 3 Schematic diagram of the structure enlarged at point A.

[0019] In the figure: 1. Cutter body; 2. Cutter seat; 3. Liquid storage chamber; 4. First liquid storage tank; 5. Second liquid storage tank; 6. Mounting seat; 7. Mounting block; 8. Bottom blade; 9. Chip removal groove; 10. Liquid filling port; 11. Sealing bolt; 12. Fastening bolt; 13. Mounting slot; 14. Threaded hole. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0021] Reference Figure 1-4 A carbide spiral straight shank end mill comprises a cutter body 1 and a cutter seat 2. The cutter body 1 is fixedly mounted on the cutter seat 2. A bottom blade 8 is provided at the end of the cutter body 1. The bottom blade 8 is composed of multiple annularly distributed carbide blades. The bottom blade 8 provides the cutter body 1 with strong penetrating power during rotary milling, capable of piercing hard materials. The surface of the cutter body 1 is provided with multiple chip removal grooves 9, which are arranged in a spiral pattern. The provision of multiple chip removal grooves 9 facilitates the discharge of chips during the milling process and reduces chip accumulation.

[0022] Furthermore, a liquid storage cavity 3 is provided on the knife seat 2, and a plurality of first liquid storage tanks 4 connected to the liquid storage cavity 3 are provided on the knife body 1. Second liquid storage tanks 5 are provided on the plurality of first liquid storage tanks 4, and the second liquid storage tanks 5 are distributed on both sides of the first liquid storage tank 4. The liquid storage cavity 3 is an annular columnar structure, and the liquid storage cavity 3 passes through the knife seat 2 at one end close to the mounting seat 6.

[0023] A liquid filling port 10 communicating with the liquid storage chamber 3 is provided on the tool holder 2 , and a sealing bolt 11 is provided in the liquid filling port 10 .

[0024] Specifically, coolant is added to the liquid storage chamber 3 through the liquid filling port 10, and the liquid filling port 10 is sealed by the sealing bolt 11. The coolant flows into multiple first liquid storage tanks 4 through the liquid storage chamber 3 to cool the tool body 1. At the same time, the coolant in the multiple first liquid storage tanks 4 will flow into the second liquid storage tanks 5 on both sides, thereby increasing the contact area with the tool body 1, thereby improving the cooling effect on the tool body 1 and increasing the service life of the tool body 1.

[0025] Furthermore, a mounting seat 6 is provided on one side of the tool holder 2, and a mounting block 7 is fixedly provided on one side of the mounting seat 6. A mounting component connected to the mounting block 7 is provided on the outer wall of the tool holder 2, and the mounting component includes a fastening bolt 12 and a mounting groove 13. The mounting groove 13 is provided at the side end of the tool holder 2, and the mounting groove 13 is adapted to the mounting block 7. There are multiple fastening bolts 12, and the multiple fastening bolts 12 all pass through the outer wall of the tool holder 2. The mounting block 7 is provided with multiple threaded holes 14 adapted to the multiple fastening bolts 12.

[0026] Among them, the mounting block 7 is in conflict with the bottom wall of the mounting groove 13, and the mounting block 7 is used to seal the liquid storage chamber 3. The mounting block 7 is in conflict with the bottom wall of the mounting groove 13 to seal the liquid storage chamber 3. When the coolant in the liquid storage chamber 3 needs to be discharged, multiple fastening bolts 12 are removed to separate the mounting seat 6 from the tool holder 2, and then the coolant in the liquid storage chamber 3 can be discharged, and cleaning is convenient.

[0027] The operating principle of the present invention is described as follows: coolant is added to the liquid storage chamber 3 through the liquid filling port 10, and the liquid filling port 10 is sealed by the sealing bolt 11. The coolant flows into multiple first liquid storage tanks 4 through the liquid storage chamber 3 to cool the tool body 1. At the same time, the coolant in the multiple first liquid storage tanks 4 will flow into the second liquid storage tanks 5 on both sides, thereby increasing the contact area with the tool body 1, thereby improving the cooling effect on the tool body 1 and increasing the service life of the tool body 1. The mounting block 7 is in contact with the bottom wall of the mounting groove 13 to seal the liquid storage chamber 3. When the coolant in the liquid storage chamber 3 needs to be discharged, the multiple fastening bolts 12 are removed to separate the mounting seat 6 from the tool seat 2, so that the coolant in the liquid storage chamber 3 can be discharged, and it is easy to clean.

[0028] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A cemented carbide spiral straight shank end mill, comprising a cutter body (1) and a cutter seat (2), characterized in that: The blade body (1) is fixedly arranged on the blade seat (2); a liquid storage cavity (3) is provided on the blade seat (2); a plurality of first liquid storage tanks (4) connected to the liquid storage cavity (3) are provided on the blade body (1); a second liquid storage tank (5) is provided on each of the plurality of first liquid storage tanks (4); the second liquid storage tanks (5) are distributed on both sides of the first liquid storage tank (4); a mounting seat (6) is provided on one side of the blade seat (2); a mounting block (7) is fixedly provided on one side of the mounting seat (6); and a mounting component connected to the mounting block (7) is provided on the outer wall of the blade seat (2).

2. A cemented carbide spiral straight shank end mill according to claim 1, characterized in that: The end of the cutter body (1) is provided with a bottom blade (8), and the bottom blade (8) is composed of a plurality of annularly distributed cemented carbide blades.

3. The carbide spiral straight shank end mill according to claim 1, characterized in that: The surface of the cutter body (1) is provided with a plurality of chip removal grooves (9), and the plurality of chip removal grooves (9) are distributed in a spiral shape.

4. The carbide spiral straight shank end mill according to claim 1, characterized in that: The liquid storage cavity (3) is an annular columnar structure, and one end of the liquid storage cavity (3) close to the mounting seat (6) passes through the knife seat (2).

5. The carbide spiral straight shank end mill according to claim 1, characterized in that: The knife seat (2) is provided with a liquid adding port (10) communicating with the liquid storage cavity (3), and a sealing bolt (11) is provided in the liquid adding port (10).

6. The carbide spiral straight shank end mill according to claim 1, characterized in that: The mounting assembly includes a fastening bolt (12) and a mounting groove (13), wherein the mounting groove (13) is arranged at the side end of the knife seat (2), and the mounting groove (13) is adapted to the mounting block (7). A plurality of fastening bolts (12) are provided, and the plurality of fastening bolts (12) all pass through the outer wall of the knife seat (2). The mounting block (7) is provided with a plurality of threaded holes (14) adapted to the plurality of fastening bolts (12).

7. The carbide spiral straight shank end mill according to claim 6, characterized in that: The mounting block (7) abuts against the bottom wall of the mounting groove (13), and the mounting block (7) is used to seal the liquid storage cavity (3).

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