CN105750605B - Combined cutting tool - Google Patents

Abstract

The invention discloses a high-efficiency cutting combined tool, which comprises a body, wherein one end of the body can be connected with processing equipment, a cutting structure rotating along with the body is arranged on the body, the cutting structure comprises a first cutting part arranged at the end part of the cutting structure, a second cutting part which is connected with the first cutting part and has a cutting range larger than that of the first cutting part is arranged on the first cutting part, a third cutting part which is connected with the second cutting part and has a cutting range larger than that of the second cutting part is arranged on the second cutting part, a milling groove processing part is arranged on the third cutting part, a chamfering cutting part capable of chamfering the rear edge of a milling groove of a workpiece is arranged between the milling groove processing part and the second cutting part, and the first cutting part, the second cutting part, the third cutting part and the chamfering cutting part are arranged on the same cutting plane. In the processing process, a processing cutter does not need to be replaced or a station does not need to be changed, so that the error is reduced, the yield is ensured, and the processing efficiency is improved.

Description

Cutting Combination Tool

【Technical field】

The present invention relates to cutting tools, and more particularly to cutting combination tools.

【Background technique】

In mechanical processing, production efficiency is very important. Most of the existing workpieces need to be processed through several processes. The traditional processing method is single-process processing, which can only process shapes or chamfering or drilling, and needs to be replaced continuously during processing. When machining tools or changing stations, it is easy to accumulate errors during clamping, resulting in defective products and reducing processing efficiency. How to make a tool capable of processing multiple processes is a long-term research direction for technicians.

【Content of invention】

The object of the present invention is to overcome the deficiencies of the prior art, and provide a cutting combination tool, which has a simple structure, can complete the processing of multiple processes, does not need to change the processing tool or change the station during the processing, reduces errors, and ensures the yield rate while improving processing efficiency.

The present invention is achieved through the following technical solutions:

The combined cutting tool includes a body 1 that can be connected with processing equipment at one end. The body 1 is provided with a cutting structure 2 that rotates with it. It is characterized in that the cutting structure 2 includes a first Cutting portion 201, the first cutting portion 201 is provided with a second cutting portion 202 connected to it and the cutting range is larger than the first cutting portion 201, and the second cutting portion 202 is provided with a connection and The cutting range is larger than the third cutting part 203 of the second cutting part 202, and the third cutting part 203 is provided with a milling groove processing part 204, and the milling groove processing part 204 and the second cutting part A chamfering cutting part 205 capable of chamfering the rear edge of the workpiece milling groove is provided between the parts 202. The first cutting part 201, the second cutting part 202, the third cutting part 203 and the chamfering cutting part The portion 205 is provided on the same cutting plane.

The above-mentioned combined cutting tool is characterized in that: the front faces of the first cutting part 201, the second cutting part 202, the third cutting part 203 and the chamfering cutting part 205 are located on the same first cutting plane 206 .

The above-mentioned combined cutting tool is characterized in that: the backs of the first cutting part 201, the second cutting part 202, the third cutting part 203 and the chamfering cutting part 205 are located on the same second cutting plane 401 .

The above-mentioned combined cutting tool is characterized in that: the cutting structures 2 are arranged in an array along the central circumference of the body 1 , and there are two cutting structures 2 .

The above-mentioned combined cutting tool is characterized in that: a chip removal part 3 is provided between the first cutting plane 206 and the second cutting plane 401, and the second cutting plane 401 and the Cutting grooves 4 are provided between the chip removal parts 3 .

The above-mentioned combined cutting tool is characterized in that: the chip removal part 3 is an inner concave arc surface, which extends vertically upwards from the lower side of the first cutting part 201 to the second cutting part 202 and starts an arc transition to the The peripheral end of the body 1 described above.

The above-mentioned combined cutting tool is characterized in that: the first cutting plane 206 and the second cutting plane 401 are parallel to each other, and the first cutting part 201 and the second cutting part 202 are combined The cross section of the second cutting portion 202 and the third cutting portion 203 are combined in a T shape.

The above-mentioned combined cutting tool is characterized in that: the lower cutting ends of the first cutting part 201, the second cutting part 202, the chamfering cutting part 205 and the milling groove processing part 204 are formed from the The first cutting plane 206 is inclined upwards to the second cutting plane 401 .

The above-mentioned combined cutting tool is characterized in that: the lower cutting end of the first cutting part 201 is inclined upward along the axis of the body 1, and the lower cutting end of the second cutting part 202 and The milling edge of the milling part 204 is arranged horizontally.

The above-mentioned combined cutting tool is characterized in that: the chamfering cutting part 205 is composed of two connected first chamfering edges 207 and second chamfering edges 208, and the first chamfering edge 207 The chamfering radius R is 0.2-0.4 mm, the chamfering radius R of the second chamfering edge 208 is 1-1.4 mm, and the first chamfering edge 207 is in phase with the second chamfering edge 208 cut.

Compared with prior art, the present invention has following advantage:

1. The present invention has a simple structure, can complete the processing of multiple processes, does not need to change the processing tool or change the station during the processing, reduces errors, and improves the processing efficiency while ensuring the yield rate.

2. The cutting structure of the present invention is in an integrated state, and multiple cutting parts are all located on the same plane, which is convenient to manufacture, has good milling effect and long service life.

3. The cutting structure of the present invention is arranged in a row on the circumference, and the cutting effect is good, and the chip removal part is a concave arc and is arranged on one side of the cutting plane, which is beneficial to the waste chip discharge during the cutting process.

【Description of drawings】

Fig. 1 is a stereogram one of the present invention;

Fig. 2 is the second perspective view of the present invention;

Fig. 3 is a front view of the present invention;

Fig. 4 is the right view of the present invention;

Fig. 5 is a three-dimensional view of the present invention;

Fig. 6 is a bottom view of the present invention;

Figure 7 is an enlarged view of part A of Figure 3;

Fig. 8 is a reference diagram of the use state of the present invention.

【Detailed ways】

The combined cutting tool includes a body 1 that can be connected with processing equipment at one end, and the body 1 is provided with a cutting structure 2 that rotates with it, and the cutting structure 2 includes a first cutting portion 201 at its end, The first cutting part 201 is provided with a second cutting part 202 connected with it and the cutting range is larger than the first cutting part 201, and the second cutting part 202 is provided with a second cutting part 202 connected with it and the cutting range is larger than the first cutting part 202. The third cutting part 203 of the second cutting part 202, the third cutting part 203 is provided with a milling part 204, between the milling part 204 and the second cutting part 202 Be provided with the chamfering cutting part 205 that can chamfer the rear edge of the workpiece milling groove, the first cutting part 201, the second cutting part 202, the third cutting part 203 and the chamfering cutting part 205 are located at on the same cutting plane.

Front surfaces of the first cutting portion 201 , the second cutting portion 202 , the third cutting portion 203 and the chamfering cutting portion 205 are located on the same first cutting plane 206 . The advantages are good cutting effect and convenient manufacture.

The back surfaces of the first cutting portion 201 , the second cutting portion 202 , the third cutting portion 203 and the chamfering cutting portion 205 are located on the same second cutting plane 401 . The utility model has the advantages of reasonable structure and convenient manufacture.

The cutting structures 2 are arranged in an array along the central circumference of the body 1 , and there are two cutting structures 2 . The cutting structure 2 can also be three or four. Its advantages are high cutting efficiency, more uniform force and longer service life.

A chip removal part 3 is provided between the first cutting plane 206 and the second cutting plane 401 , and a slot 4 is provided between the second cutting plane 401 and the chip removal part 3 . The notch 4 is set on the upper side of the second cutting plane 401 , and the chip removal part 3 is set on the left side of the first cutting plane 206 . Its advantage is that the structure is reasonable, the production is convenient, the waste chips are not easy to stick to the cutting structure, and the cutting effect is better.

The chip removal part 3 is a concave arc surface, which extends vertically upwards from the lower side of the first cutting part 201 to the second cutting part 202 and starts an arc transition to the circumferential end of the body 1 . Its advantages are reasonable structure and convenient manufacture. The setting of the radian can facilitate the discharge of waste chips produced during the processing process. The waste chips are not easy to stick to the cutting structure, reducing the risk of waste chips scratching the workpiece, and the yield rate is higher.

The first cutting plane 206 and the second cutting plane 401 are parallel to each other, the combined cross section of the first cutting part 201 and the second cutting part 202 is T-shaped, and the second cutting part 201 is T-shaped. The combined cross section of the cutting portion 202 and the third cutting portion 203 is T-shaped. The first cutting plane 206 and the second cutting plane 401 are perpendicular to the axis of the body. The advantage is that it is convenient to manufacture, the resistance of the tool is stronger, and the tool is not easy to break when cutting.

The lower cutting ends of the first cutting portion 201, the second cutting portion 202, the chamfering cutting portion 205 and the milling groove processing portion 204 are inclined upward from the first cutting plane 206 to the first cutting plane 206. on the second cutting plane 401 . The advantage is that the production is convenient, the milling effect is good, and the surface of the workpiece after milling is brighter and smoother, ensuring the quality of the workpiece.

The lower cutting end of the first cutting part 201 is inclined upward along the axis of the body 1, the lower cutting end of the second cutting part 202 and the milling edge of the milling part 204 are set for horizontal. The inclination angle of the lower cutting end of the first cutting portion 201 is 25 degrees. The advantage is that the processing effect is good, drilling and milling or horizontal milling can be completed, and the efficiency is higher.

The chamfering cutting portion 205 is composed of two connected first chamfering edges 207 and second chamfering edges 208, the chamfering radius R of the first chamfering edges 207 is 0.2-0.4mm, the The chamfering radius R of the second chamfering edge 208 is 1-1.4 mm, and the first chamfering edge 207 is tangent to the second chamfering edge 208 . The chamfering radius R of the first chamfering edge 207 is 0.3mm, and the chamfering radius R of the second chamfering edge 208 is 1.2mm. The advantage is that it can complete the chamfering of two radii at the same time, with higher production efficiency and smaller errors.

Claims (7)

1. The combined cutting tool includes a body (1) that can be connected to processing equipment at one end, and the body (1) is provided with a cutting structure (2) that rotates with it, and is characterized in that: the cutting structure (2) ) includes a first cutting portion (201) located at its end, the first cutting portion (201) is provided with a second cutting portion connected to it and the cutting range is larger than the first cutting portion (201) (202), the second cutting portion (202) is provided with a third cutting portion (203) connected to it and having a cutting range larger than the second cutting portion (202), and the third cutting portion ( 203) is provided with a milling groove processing part (204), between the described groove milling processing part (204) and the second cutting part (202) is provided with a chamfer capable of chamfering the rear edge of the milling groove of the workpiece The corner cutting part (205), the first cutting part (201), the second cutting part (202), the third cutting part (203) and the chamfering cutting part (205) are arranged on the same cutting plane ; The fronts of the first cutting portion (201), the second cutting portion (202), the third cutting portion (203) and the chamfering cutting portion (205) are located on the same first cutting plane (206); The backs of the first cutting portion (201), the second cutting portion (202), the third cutting portion (203) and the chamfering cutting portion (205) are located on the same second cutting plane (401); The first cutting plane (206) and the second cutting plane (401) are parallel to each other, and the combined cross section of the first cutting part (201) and the second cutting part (202) is T The cross section of the combination of the second cutting portion (202) and the third cutting portion (203) is T-shaped. 2 . The combined cutting tool according to claim 1 , characterized in that: the cutting structures ( 2 ) are arranged in an array along the central circumference of the body ( 1 ), and there are two cutting structures ( 2 ). 3. The combined cutting tool according to claim 2, characterized in that: a chip removal part (3) is provided between the first cutting plane (206) and the second cutting plane (401), the A slot (4) is provided between the second cutting plane (401) and the chip removal part (3). 4. The combined cutting tool according to claim 3, characterized in that: the chip removal part (3) is a concave arc surface, which extends vertically upward from the lower side of the first cutting part (201) to the second The cutting part (202) starts a circular arc transition to the peripheral end of the body (1). 5. The combined cutting tool according to claim 1, characterized in that: the first cutting part (201), the second cutting part (202), the chamfering cutting part (205) and the milling process The lower cutting end of the portion (204) is inclined upward from the first cutting plane (206) to the second cutting plane (401). 6. The combined cutting tool according to claim 1, characterized in that: the lower cutting end of the first cutting part (201) is inclined upward along the axis of the body (1), and the second The lower cutting end of the cutting part (202) and the milling edge of the milling part (204) are arranged horizontally. 7. The combined cutting tool according to claim 1, characterized in that: the chamfering cutting part (205) is composed of two connected first chamfering edges (207) and second chamfering edges (208) , the chamfering radius R of the first chamfering edge (207) is 0.2-0.4mm, the chamfering radius R of the second chamfering edge (208) is 1-1.4mm, and the first The chamfering edge (207) is tangent to the second chamfering edge (208).