Rough and fine integrated spiral milling cutter

Abstract

The utility model belongs to the technical field of milling cutters, and particularly relates to a rough and fine integrated spiral milling cutter, which aims at solving the problems that only finish machining can be carried out on a workpiece, rough machining of the workpiece cannot be realized, the milling cutter needs to be replaced when the workpiece is subjected to rough machining, and the operation is troublesome in the prior art. One end of the milling cutter handle is connected with a milling mechanism for roughly and finely milling a workpiece; the milling mechanism comprises a milling cutter head, the milling cutter head is installed at one end of a milling cutter handle, and three rough milling cutters are fixed to the tail end of the milling cutter head. The milling cutter handle rotates to further drive the milling cutter head to rotate, so that the rough milling cutter on the milling cutter head carries out rough machining on a workpiece, after rough machining is completed, the milling cutter head can be fed, and the finish milling cutter on the milling cutter head carries out finish machining and milling on the workpiece; and sweeps generated by machining can be discharged to the outside, and use is convenient.

Description

Technical Field

[0001] The utility model relates to a spiral milling cutter, in particular to a coarse and fine integrated spiral milling cutter, belonging to the technical field of milling cutters. Background Art

[0002] A helical milling cutter with both roughing and finishing functions is a highly efficient cutting tool. It combines roughing and finishing functions, enabling the entire process from roughing to finishing in a single clamping, significantly improving machining efficiency and quality. As the name suggests, a helical milling cutter with both roughing and finishing functions is capable of performing both operations on the same tool. This type of cutter typically features a specialized structural design and insert configuration to accommodate the needs of different machining stages.

[0003] In the prior art, a spiral milling cutter disclosed in announcement number CN220240140U includes a blade body, a cutter head disposed at one end of the blade body, a shank fixedly mounted at the end of the blade body away from the cutter head, and a cutting edge disposed on the surface of the blade body. By providing the cutting edge and stripes and other structures, the present milling cutter is designed with a special cutting edge structure to improve the strength and toughness of the milling cutter. Compared with traditional milling cutters, the present milling cutter has six sets of cutting edges and bottom edges, which makes the overall rigidity of the milling cutter higher. The surface of the present milling cutter is designed with six sets of chip grooves, which allow the milling cutter to directly discharge debris during rotation. The design of multiple sets of chip grooves allows the milling cutter to discharge chips smoothly even at low rotation speeds.

[0004] Although the above technical solution designs six groups of cutting edges and bottom edges, which can make the overall rigidity of the milling cutter higher and allow the milling cutter to directly discharge debris during rotation, it can only perform fine processing on the workpiece when in use, and cannot perform rough processing on the workpiece. When rough processing the workpiece, the milling cutter needs to be replaced, which is more troublesome. In view of this, a rough and fine integrated spiral milling cutter is provided to overcome the above defects. Utility Model Content

[0005] The utility model provides a rough-and-fine integrated spiral milling cutter to solve the above-mentioned problem that when in use, only fine machining can be performed on the workpiece, and rough machining of the workpiece cannot be achieved. When rough machining of the workpiece is performed, the milling cutter needs to be replaced, which is quite troublesome.

[0006] The utility model achieves the above-mentioned object through the following technical solutions: a roughing and finishing integrated spiral milling cutter, comprising a milling cutter shank, one end of which is connected to a milling mechanism for roughing and finishing a workpiece;

[0007] The milling mechanism includes a milling cutter head, which is installed at one end of the milling cutter handle. Three rough milling cutters are fixed to the end of the milling cutter head. Three chip removal grooves are opened on the outer surface of the milling cutter head. Three groups of fine milling cutters are installed on the outer wall of the milling cutter head. One side of the milling cutter head is connected to a quick release mechanism for disassembling the milling mechanism.

[0008] As a further solution of the present invention: fixing screws are installed inside the three groups of fine milling cutters, and the fixing screws are threadedly connected to the milling cutter head.

[0009] As a further solution of the present invention: the quick-release mechanism includes a connecting piece, which is fixed to one end of the milling cutter head, and one side of the connecting piece is connected to a slot provided inside the milling cutter handle.

[0010] As a further solution of the present invention: a limiting hole is provided on the outer surface of the connecting piece, and a fixing bolt threadedly connected to the milling cutter handle is connected inside the limiting hole.

[0011] As a further solution of the present invention: the end of the milling cutter handle is connected to a water inlet pipe, and the outer surface of the water inlet pipe is sleeved with a fixed bearing.

[0012] As a further solution of the present invention: a sealing ring embedded in the inner wall of the milling cutter handle is fixed on the outer surface of the fixed bearing, and a limiting ring is fixed on the end of the water inlet pipe.

[0013] As a further solution of the present invention: a flow cavity is provided inside the connecting piece and is interconnected with the inside of the milling cutter handle, and a water spray hole is provided on the outer surface of the milling cutter head and is interconnected with the flow cavity, and the water spray hole corresponds to the fine milling cutter.

[0014] The beneficial effects of the present invention are as follows: the milling cutter shank is rotated to drive the milling cutter head to rotate, so that the rough milling cutter on the milling cutter head performs rough processing on the workpiece; after the rough processing is completed, the milling cutter head can be fed, so that the fine milling cutter on the milling cutter head performs fine processing on the workpiece; the waste chips generated by the processing can be discharged to the outside through the chip discharge groove on the milling cutter head, which is convenient for use; clean water is transported to the water inlet pipe through the external water supply pipe, and the clean water flows into the inside of the milling cutter shank through the water inlet pipe, and then enters a plurality of water spray holes through the flow cavity, so that the water spray holes spray clean water to the fine milling cutter, thereby rinsing the fine milling cutter and cooling the fine milling cutter at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure used in the utility model;

[0016] Figure 2 This is a schematic diagram of the three-dimensional structure of the milling cutter head of the utility model;

[0017] Figure 3 This is a schematic diagram of the cross-sectional structure of the milling cutter handle of the utility model;

[0018] Figure 4 For this utility model Figure 1 Enlarged view of point A in the middle.

[0019] In the figure: 1. Milling cutter shank; 2. Milling cutter head; 21. Roughing cutter; 22. Chip groove; 23. Finishing cutter; 24. Fixing screw; 3. Connecting piece; 31. Slot; 32. Limiting hole; 33. Fixing bolt; 4. Water inlet pipe; 5. Fixed bearing; 6. Sealing ring; 7. Limiting ring; 8. Flow chamber; 9. Water spray hole. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention. Example 1

[0021] like Figures 1 to 4 As shown, a roughing and finishing integrated spiral milling cutter comprises a milling cutter shank 1, one end of which is connected to a milling mechanism for roughing and finishing a workpiece;

[0022] The milling mechanism includes a milling cutter head 2, which is mounted at one end of the milling cutter shank 1. Three rough milling cutters 21 are fixed to the end of the milling cutter head 2. Three chip removal grooves 22 are provided on the outer surface of the milling cutter head 2. Three groups of fine milling cutters 23 are installed on the outer wall of the milling cutter head 2. One side of the milling cutter head 2 is connected to a quick-release mechanism for disassembling the milling mechanism. The interiors of the three groups of fine milling cutters 23 are all equipped with fixing screws 24, which are threadedly connected to the milling cutter head 2. The quick-release mechanism includes a connecting piece 3, which is fixed to one end of the milling cutter head 2. One side of the connecting piece 3 is connected to a slot 31 provided inside the milling cutter shank 1. The outer surface of the connecting piece 3 is provided with a slot 31 provided inside the milling cutter shank 1. A limiting hole 32 is provided, and a fixing bolt 33 threadedly connected to the milling cutter shank 1 is connected inside the limiting hole 32. The driving device drives the milling cutter shank 1 to rotate, and then drives the milling head 2 to rotate, so that the rough milling cutter 21 on the milling head 2 performs rough processing on the workpiece. After the rough processing is completed, the milling head 2 can be fed, so that the fine milling cutter 23 on the milling head 2 performs fine milling on the workpiece. The waste chips generated by the processing can be discharged to the outside through the chip groove 22 on the milling head 2, which is convenient for use. By unscrewing the fixing screw 24, the fixation of the fine milling cutter 23 can be released, so that the fine milling cutter 23 can be conveniently replaced. Example 2

[0023] In addition to all the technical features of the first embodiment, the present embodiment further includes: a water inlet pipe 4 is connected to the end of the milling cutter handle 1, a fixed bearing 5 is sleeved on the outer surface of the water inlet pipe 4, a sealing ring 6 embedded in the inner wall of the milling cutter handle 1 is fixed on the outer surface of the fixed bearing 5, a limiting ring 7 is fixed to the end of the water inlet pipe 4, a flow cavity 8 interconnected with the interior of the milling cutter handle 1 is opened inside the connecting member 3, a water spray hole 9 interconnected with the flow cavity 8 is opened on the outer surface of the milling cutter head 2, the water spray hole 9 corresponds to the fine milling cutter 23, and the external water supply The water pipe transports clean water to the water inlet pipe 4, and the clean water flows into the inside of the milling cutter handle 1 through the water inlet pipe 4, and then enters into several water spray holes 9 through the flow cavity 8, so that the water spray holes 9 spray clean water toward the fine milling cutter 23, thereby flushing the fine milling cutter 23 and cooling the fine milling cutter 23 at the same time. When the milling cutter handle 1 rotates, the fixed bearing 5 arranged in the sealing ring 6 will not drive the water inlet pipe 4 to rotate when the milling cutter handle 1 rotates, thereby ensuring the transportation of water source, and the limit ring 7 arranged on the water inlet pipe 4 can play a role in preventing it from falling off.

[0024] Working principle: Before using the coarse and fine integrated spiral milling cutter, first fix the milling cutter handle 1 and the output shaft of the external driving device, and connect the provided water inlet pipe 4 to the external water pipe. When in use, the driving device drives the milling cutter handle 1 to rotate, and then drives the milling head 2 to rotate, so that the roughing cutter 21 on the milling head 2 performs rough machining on the workpiece. After the rough machining is completed, the milling head 2 can be fed, so that the fine milling cutter 23 on the milling head 2 performs fine milling on the workpiece. The waste chips generated by the machining can be discharged to the outside through the chip groove 22 on the milling head 2, which is convenient for use. By unscrewing the fixing screw 24, the fixation of the fine milling cutter 23 can be released, so that the fine milling cutter 23 can be conveniently replaced. When the workpiece is being machined, the external water pipe feeds the water inlet pipe 4 Transport clean water, which flows into the inside of the milling cutter handle 1 through the water inlet pipe 4, and then enters several water spray holes 9 through the flow chamber 8, so that the water spray holes 9 spray clean water to the fine milling cutter 23, thereby flushing the fine milling cutter 23 and cooling the fine milling cutter 23. When the milling cutter handle 1 rotates, the fixed bearing 5 arranged in the sealing ring 6 will not drive the water inlet pipe 4 to rotate when the milling cutter handle 1 rotates, thereby ensuring the transportation of water source, and the limiting ring 7 arranged on the water inlet pipe 4 can play an anti-falling role. By unscrewing the fixing bolt 33 on the milling cutter handle 1, the fixing bolt 33 and the limiting hole 32 on the connecting part 3 are separated, so that the fixation of the connecting part 3 can be released. With the cooperation of the slot 31, the milling cutter head 2 can be disassembled for easy maintenance.

[0025] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0026] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A coarse and fine integrated spiral milling cutter, comprising a milling cutter handle (1), characterized in that: One end of the milling cutter shank (1) is connected to a milling mechanism for rough and fine milling of a workpiece; The milling mechanism comprises a milling cutter head (2), the milling cutter head (2) being mounted on one end of a milling cutter shank (1), three rough milling cutters (21) being fixed to the end of the milling cutter head (2), three chip removal grooves (22) being provided on the outer surface of the milling cutter head (2), three sets of fine milling cutters (23) being mounted on the outer wall of the milling cutter head (2), and a quick-release mechanism for disassembling the milling mechanism being connected to one side of the milling cutter head (2).

2. The roughing and finishing integrated spiral milling cutter according to claim 1, characterized in that: The interiors of the three groups of fine milling cutters (23) are all equipped with fixing screws (24), and the fixing screws (24) are threadedly connected to the milling cutter head (2).

3. The roughing and finishing integrated spiral milling cutter according to claim 1, characterized in that: The quick-release mechanism comprises a connecting piece (3), the connecting piece (3) being fixed to one end of the milling cutter head (2), and one side of the connecting piece (3) being connected to a slot (31) provided inside the milling cutter handle (1).

4. The roughing and finishing integrated spiral milling cutter according to claim 3, characterized in that: A limiting hole (32) is provided on the outer surface of the connecting member (3), and a fixing bolt (33) threadedly connected to the milling cutter shank (1) is connected inside the limiting hole (32).

5. The roughing and finishing integrated spiral milling cutter according to claim 1, characterized in that: The end of the milling cutter handle (1) is connected to a water inlet pipe (4), and the outer surface of the water inlet pipe (4) is sleeved with a fixed bearing (5).

6. The roughing and finishing integrated spiral milling cutter according to claim 5, characterized in that: A sealing ring (6) embedded in the inner wall of the milling cutter handle (1) is fixed on the outer surface of the fixed bearing (5), and a limiting ring (7) is fixed at the end of the water inlet pipe (4).

7. The roughing and finishing integrated spiral milling cutter according to claim 3, characterized in that: The connecting member (3) has a flow cavity (8) in communication with the interior of the milling cutter shank (1), and the outer surface of the milling cutter head (2) has a water spray hole (9) in communication with the flow cavity (8), and the water spray hole (9) corresponds to the fine milling cutter (23).

Images