Indexable hard alloy blade suitable for heavy-load turning

By designing indexable carbide inserts with multi-stage edge and chip removal structure, the problems of weak machining instability and weak cutting performance in heavy-load turning are solved, and efficient machining results are achieved.

CN223083841UActive Publication Date: 2025-07-11WUXI RUIZHI FANGDA METAL TECH DEV CO LTD
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Patent Information

Application Number
CN202422311301.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-23
Publication Date
2025-07-11
Estimated Expiration
2034-09-23

AI Technical Summary

Technical Problem

The existing heavy-load turning inserts have shortcomings in machining stability, cutting performance and life, resulting in problems such as unstable processing, large machine tool load, poor cutting and tool heating.

Method used

An indexable carbide insert suitable for heavy-load turning is designed, with a multi-stage main cutting edge, chip breaking and cutting body, a smooth chip discharge area and a storage groove, forming a sharp edge and a fast chip breaking structure, which can be rotated to different edges during processing to improve stability and efficiency.

Benefits of technology

It achieves rapid chip breaking, smooth cutting, reduces machine tool load, maintains stable tool tip temperature, and improves impact resistance and processing efficiency.

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Abstract

The indexable hard alloy blade suitable for heavy-load turning comprises a blade main body, a multi-section main cutting edge is arranged on the blade main body, the multi-section main cutting edge comprises a high-low main cutting edge part to form a sharp cutting edge setting structure convenient for turning, a chip breaking and cutting body is arranged on the blade main body close to the main cutting edge part, and the chip breaking and cutting body is arranged on the blade main body close to the main cutting edge part. And a hard alloy blade structure with a high-sharpness cutting edge and rapid chip breaking suitable for heavy-load turning is formed.
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Description

Technical Field

[0001] The utility model relates to precision machining equipment and the cutting tools used thereby, and particularly to an indexable cemented carbide insert suitable for heavy-duty turning. Background Art

[0002] In machining, turning is a common machining form, mostly used for machining shafts or rings, while heavy-duty turning is mostly used for large-scale turning machining scenarios in the wind power industry.

[0003] The inserts used in heavy-duty turning are of S type (square) and C type (80° parallelogram). Due to the requirements for machining stability, most of them are designed with single-sided 2-edge or 4-edge, resulting in uneven machining stability, poor chip evacuation, weak chip guiding performance, obvious temperature rise at the cutting edge. During heavy-duty machining, tool life is unstable, the machine tool load is large, and chip evacuation-induced tool breakage and other phenomena often occur.

[0004] Therefore, there is a need to provide an indexable cemented carbide insert suitable for heavy-duty turning to solve the above problems. Summary of the Utility Model

[0005] The purpose of the utility model is to provide an indexable cemented carbide insert suitable for heavy-duty turning.

[0006] The utility model realizes the above purpose through the following technical solutions:

[0007] An indexable cemented carbide insert suitable for heavy-duty turning includes a blade body, on which there is a multi-segment main cutting edge. The multi-segment main cutting edge includes a main cutting edge portion with a stepped shape, forming a sharp cutting edge setting structure convenient for turning. On the blade body close to the main cutting edge portion, there is a chip breaking and chip dividing body, forming a cemented carbide insert structure suitable for heavy-duty turning with a high sharp cutting edge and rapid chip breaking.

[0008] Further, the blade body is square-shaped, and multi-segment main cutting edges are provided on all four sides.

[0009] Further, a device groove is provided in the middle of the blade body, and when it is correspondingly installed on the processing equipment, it can be rotated so that any multi-segment main cutting edge corresponds to the processed material, forming an indexable cemented carbide insert structure.

[0010] Further, a stable chip evacuation area is connected to the main cutting edge portion, and the chip breaking and chip dividing body is arranged corresponding to the front end of the stable chip evacuation area.

[0011] Further, a front cutting chip blocking platform is provided in the stable chip evacuation area.

[0012] Further, a rear cutting chip accommodating and rearward upward collecting groove is also provided in the stable chip evacuation area.

[0013] Further, the main cutting edge portion with high and low states is in the shape of an inclined slope.

[0014] Further, the inclination degree of the main cutting edge portion with high and low states is 12 - 25°.

[0015] Compared with the prior art, the utility model can quickly break chips, discharge chips smoothly, effectively reduce the load of the machine tool, maintain a good tip temperature, effectively improve the impact resistance, and effectively improve the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic structural diagram of the utility model.

[0017] Figure 2 It is a schematic diagram of a multi - segment main cutting edge. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] Embodiment:

[0019] Refer to Figure 1-2 , this embodiment shows an indexable cemented carbide insert suitable for heavy - duty turning, including a blade body 1. A multi - segment main cutting edge 2 is arranged on the blade body 1. The multi - segment main cutting edge 2 includes a main cutting edge portion 21 with high and low states, forming a sharp cutting edge setting structure convenient for turning. A chip - breaking and chip - dividing body 3 is arranged on the blade body 1 close to the main cutting edge portion, forming a cemented carbide insert structure for heavy - duty turning with a high - sharp cutting edge and quick chip - breaking.

[0020] Wherein:

[0021] The blade body 1 is square - shaped, and multi - segment main cutting edges 2 are arranged on all four sides.

[0022] A device groove 11 is arranged in the middle of the blade body 1. Corresponding to the device on the processing equipment, it can be rotated so that any one of the multi - segment main cutting edges 2 faces the processed material, forming an indexable cemented carbide insert structure.

[0023] The main cutting edge portion 21 is connected with a stable chip - discharging area 22, and the chip - breaking and chip - dividing body 3 is arranged corresponding to the front end of the stable chip - discharging area 22.

[0024] A front - placed cutting chip blocking platform 23 is arranged in the stable chip - discharging area 22.

[0025] A rear - placed cutting chip accommodating and rear - upward collecting groove 24 is also arranged in the stable chip - discharging area 22.

[0026] The main cutting edge portion 21 with high and low states is in the shape of an inclined slope.

[0027] The inclination degree of the main cutting edge portion 21 with high and low states is 12 - 25°.

[0028] Compared with the prior art, the utility model can break chips quickly, discharge chips smoothly, effectively reduce the load of the machine tool, maintain a good tip temperature, effectively improve the impact resistance, and effectively improve the processing efficiency.

[0029] The above are only some embodiments of the utility model. For those of ordinary skill in the art, without departing from the creative concept of the utility model, several modifications and improvements can still be made, and these all belong to the protection scope of the utility model.

Claims

1. An indexable carbide insert suitable for heavy-duty turning, characterized in that: It includes a blade body, and a multi-segment main cutting edge is provided on the blade body. The multi-segment main cutting edge includes a main edge portion with a high-low shape, forming a sharp blade setting structure convenient for turning. A chip breaking and chip dividing body is provided on the blade body close to the main edge portion, forming a cemented carbide blade structure suitable for heavy-duty turning with a high-sharp edge and rapid chip breaking.

2. The indexable carbide insert suitable for heavy-duty turning according to claim 1, wherein: The blade body is square-shaped, and multi-segment main cutting edges are provided on all four side edges.

3. The indexable carbide insert suitable for heavy-duty turning according to claim 2, wherein: A device groove is provided in the middle of the blade body. When it is correspondingly installed on a processing equipment, it can be rotated so that any multi-segment main cutting edge corresponds to the processed material, forming a indexable cemented carbide blade structure.

4. A indexable carbide insert suitable for heavy-duty turning according to any one of claims 1-3, characterized in that: A stable chip discharging area is connected to the main edge portion, and the chip breaking and chip dividing body is provided corresponding to the front end of the stable chip discharging area.

5. The indexable carbide insert suitable for heavy-duty turning according to claim 4, wherein: A front cutting chip blocking platform is provided in the stable chip discharging area.

6. The indexable carbide insert suitable for heavy-duty turning according to claim 5, characterized in that: A rear cutting chip accommodating and rearward upward collecting groove is also provided in the stable chip discharging area.

7. The indexable carbide insert suitable for heavy-duty turning according to claim 6, characterized in that: The main edge portion with a high-low shape is in the shape of an inclined slope.

8. A indexable carbide insert suitable for heavy-duty turning according to claim 7, characterized in that: The inclination of the main edge portion with a high-low shape is 12-25°.