Non-standard spherical PCD milling cutter structure
By designing a non-standard spherical PCD end mill, and using carbide casting and a liquid reservoir structure, the problems of unusable end mill inserts and poor cooling after wear are solved, achieving efficient cooling and flexible installation, and improving the efficiency and lifespan of the end mill inserts.
Patent Information
- Application Number
- CN202520328172.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Priority Date
- 2024-04-02
- Filing Date
- 2025-02-27
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-02-27
AI Technical Summary
Existing ball end mills need to be replaced after wear, have strict requirements on installation direction, cannot be fully utilized, and have poor cooling effect.
Design a non-standard spherical PCD end mill, using a carbide-cast ball end mill and end mill inserts, with a liquid reservoir and drain port, a symmetrical end mill insert structure, unrestricted installation direction, and coolant directly reaching the stress point, resulting in good cooling effect.
It improves the efficiency and cooling effect of milling cutters, extends their service life, reduces installation errors, and enhances practicality.
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Figure CN223848163U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to milling cutter technical field, concretely is a kind of non-standard spherical PCD milling cutter structure. BACKGROUND
[0002] In product research and development and upgrading, the structure of product is also developing in the direction of more precise and more complex, for the structure complex parts, the structure, shape of parts is also changing, a kind of non-standard spherical milling cutter structure is suitable for non-standard spherical long slot workpiece, this shape cannot be processed by other cutters due to position requirement, so the development and production of the cutter of a kind of non-standard spherical milling cutter structure are very important.
[0003] The milling insert of the present stage's spherical milling cutter is usually replaced after serious wear, and the direction of cutting head needs to be paid attention to during installation, to avoid the direction of cutting head inward, which leads to unable to carry out milling work, for this, we propose a kind of non-standard spherical PCD milling cutter structure. UTILITY MODEL CONTENT
[0004] One of the technical problems to be solved by the present application is how to improve the use efficiency of the milling insert and fully cool the milling insert.
[0005] To solve the above technical problems, the embodiment of the present application provides a kind of non-standard spherical PCD milling cutter structure, including milling cutter main part and the ball head of setting on milling cutter main part, still include:
[0006] Milling insert, the milling insert is set on ball head, milling insert is carried out milling processing to workpiece by the rotation of ball head, and it is unnecessary to deliberately pay attention to installation direction during installation;
[0007] Liquid storage tank, the liquid storage tank is set in milling cutter main part, the liquid storage tank discharges coolant to ball head and milling insert.
[0008] In some embodiments, the ball head is provided with a plurality of chip removal grooves, the chip removal groove is provided with a mounting groove, the chip removal groove is provided with a clamping groove, and the milling insert is connected with the ball head through the mounting groove.
[0009] In some embodiments, the milling insert is provided with a cutting head on the upper and lower surfaces, the cutting head is arranged in a symmetrical structure, the milling insert is provided with a screw hole, the milling insert is connected with the mounting groove by using a screw through the screw hole, the milling insert is provided with a clamping interface, and the clamping groove can be embedded in the clamping interface.
[0010] In some embodiments, the ball head is provided with a plurality of first discharge ports at the top end, the first discharge port is communicated with the mounting groove, the chip removal groove is provided with a second discharge port, the second discharge port is arranged above the milling insert, the first discharge port is communicated with the second discharge port, and the first discharge port is communicated with the liquid storage tank.
[0011] In some embodiments, the ball head and the milling blade are made of cemented carbide.
[0012] In some embodiments, the milling cutter body is provided with an adjusting opening, which is in communication with the liquid storage groove, and an adjusting bolt is arranged in the adjusting opening through screwing, and the adjusting bolt extends into the liquid storage groove.
[0013] The utility model at least has following beneficial effects:
[0014] Different from the prior art, in actual use process, the milling blade does not need to specially pay attention to the installation direction when installing, and the cutting head on one side of the milling blade can be used after wearing, so that the milling blade is fully utilized, and the liquid storage groove discharge port position is arranged, the cooling liquid can flow to the milling blade, so that the milling blade is fully cooled. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the whole structure schematic diagram of the utility model;
[0016] Figure 2 It is the milling blade structure schematic diagram of the utility model;
[0017] Figure 3 It is the ball head structure schematic diagram of the utility model;
[0018] Figure 4 It is the milling cutter body local section structure schematic diagram of the utility model;
[0019] Figure 5 It is the milling cutter body of the utility model Figure 1 Sectional structure schematic diagram.
[0020] In the drawing: 1-milling cutter body;2-ball head;21-installation groove;22-clamp and groove;23- chip removal groove;3-milling blade;31-cutting head;32-screw hole;33-clamp interface;4-liquid storage groove;41-first discharge port;42-second discharge port;5-adjusting bolt;51-adjusting opening. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0022] Embodiment one
[0023] Please refer toFigures 1-4 The utility model provides a technical scheme: a non-standard spherical PCD milling cutter structure, including milling cutter main part 1 and the ball head 2 of setting on milling cutter main part 1, still including: the milling blade 3 of setting on ball head 2, through the rotation of ball head 2 makes the milling blade 3 to workpiece milling processing, and when installing, need not specially pay attention to installation direction, and the liquid storage tank 4 of setting in milling cutter main part 1, liquid storage tank 4 to ball head 2 and the discharge coolant of milling blade 3.
[0024] Ball head 2 is provided with a plurality of chip removal grooves 23, the installation groove 21 is formed in the chip removal groove 23, the clamping and groove 22 is arranged in the chip removal groove 23, the protruding structure is arranged on the clamping and groove 22, the milling blade 3 is connected with the ball head 2 through the installation groove 21, the milling blade 3 can be effectively prevented from rotating by the installation groove 21 and the clamping and groove 22, and the milling effect is influenced,
[0025] The cutting head 31 is formed on the upper and lower surfaces of the milling blade 3, the cutting head 31 is arranged in a symmetrical structure, the screw hole 32 is formed on the milling blade 3, the milling blade 3 is connected with the installation groove 21 by means of screws through the screw hole 32, the clamping interface 33 is formed on the milling blade 3, the clamping and groove 22 can be embedded in the clamping interface 33, the milling blade 3 is arranged in a symmetrical structure by the cutting head 31, so that the front and back surfaces of the milling blade 3 are of the same structure, so that the installation direction of the milling blade 3 does not need to be specially paid attention to during installation, and when one side is worn, the other side can be replaced for use, and the utilization rate is improved.
[0026] The first discharge port 41 is formed in the top end of the ball head 2, the first discharge port 41 is communicated with the installation groove 21, the second discharge port 42 is formed on the chip removal groove 23, the second discharge port 42 is formed above the milling blade 3, the first discharge port 41 is communicated with the second discharge port 42, the first discharge port 41 is communicated with the liquid storage tank 4, after the coolant flows out, the opening position of the first discharge port 41 and the second discharge port 42 is used to make the coolant directly reach the stress position of the milling blade 3 and the surface of the milling blade 3, and the milling blade 3 is fully cooled.
[0027] The ball head 2 and the milling blade 3 are made of hard alloy casting, the milling cutter made of hard alloy casting has high hardness and wear resistance, and is suitable for mass processing.
[0028] Before use, the milling blade 3 is installed in the installation groove 21 by screw, and the clamping and groove 22 is embedded into the clamping interface 33, since the front and back of the milling blade 3 are same in structure, so that the installation direction of the milling blade 3 is not needed to be specially noticed, and the clamping and groove 22 can effectively prevent the milling blade 3 from rotating and affecting the milling effect during use, since the liquid storage groove 4 is communicated with the cooling liquid, the cooling liquid in the liquid storage groove 4 is discharged through the first and second discharge ports 41 and 42, since the first discharge port 41 is arranged on the installation groove 21, and the second discharge port 42 is arranged above the milling blade 3, so that the cooling liquid can directly reach the stress position of the milling blade 3 and the surface of the milling blade 3 after flowing out, and the milling blade 3 is cooled.
[0029] Embodiment two
[0030] Please refer to Figures 1-5 The utility model provides a technical scheme: a non-standard spherical PCD milling cutter structure, embodiment 2 is optimized on the basis of embodiment 1;
[0031] The milling cutter main body 1 is provided with an adjusting port 51, the adjusting port 51 is communicated with the liquid storage groove 4, and the adjusting bolt 5 is arranged in the adjusting port 51 in a threaded mode, and the adjusting bolt 5 extends into the liquid storage groove 4.
[0032] Since the adjusting port 51 is communicated with the liquid storage groove 4, the position of the adjusting bolt 5 can be adjusted, so that the discharge port diameter of the liquid storage groove 4 can be indirectly adjusted, and the flow amount of the cooling liquid can be adjusted according to the types of the milling workpieces, so that the utility is greatly increased.
[0033] It should be noted that, in this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0034] Although the embodiments of the utility model have been shown and described, it should be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A non-spherical PCD milling tool construction comprising a milling tool body (1) and a ball nose (2) provided on the milling tool body (1), characterised in that: Also include: The milling cutter blade (3) is arranged on the ball head (2), and the milling cutter blade (3) is milled to the workpiece by rotating the ball head (2), and no special attention is needed when installing the direction; The liquid storage tank (4) is arranged in the milling cutter body (1), and the liquid storage tank (4) discharges cooling liquid to the ball head (2) and the milling cutter blade (3).
2. A non-spherical PCD milling tool construction according to claim 1, wherein: The ball head (2) is provided with a plurality of chip removal grooves (23), the chip removal groove (23) is provided with a mounting groove (21), the chip removal groove (23) is provided with a clamping groove (22), and the milling cutter blade (3) is connected with the ball head (2) through the mounting groove (21).
3. A non-spherical PCD milling tool construction according to claim 2, wherein: The milling cutter blade (3) is provided with a cutting head (31) on the upper and lower surfaces, the cutting head (31) is arranged in a symmetrical structure, the milling cutter blade (3) is provided with a screw hole (32), the milling cutter blade (3) is connected with the mounting groove (21) by the screw hole (32) through the screw, and the milling cutter blade (3) is provided with a clamping interface (33), the clamping groove (22) can be embedded in the clamping interface (33).
4. A non-spherical PCD milling tool construction according to claim 3, wherein: The ball head (2) is provided with a plurality of first discharge ports (41) at the top end, the first discharge port (41) is communicated with the mounting groove (21), the chip removal groove (23) is provided with a second discharge port (42), the second discharge port (42) is arranged above the milling cutter blade (3), the first discharge port (41) is communicated with the second discharge port (42), and the first discharge port (41) is communicated with the liquid storage tank (4).
5. A non-spherical PCD milling tool construction according to claim 4, wherein: The ball head (2) and the milling cutter blade (3) are made of hard alloy casting.
6. A non-spherical PCD milling tool construction according to claim 5, wherein: The milling cutter body (1) is provided with an adjusting port (51), the adjusting port (51) is communicated with the liquid storage tank (4), the adjusting screw (5) is arranged in the adjusting port (51) through threads, and the adjusting screw (5) extends into the liquid storage tank (4).