Detachable PCD milling cutter

By designing a detachable PCD end mill, and utilizing components such as fastening bolts, connecting discs, iron rods, friction balls, and magnetic rings, the problem of the cutter head and shank being fixed and unable to be disassembled is solved, achieving convenient disassembly and stable connection, thus improving its practicality and application range.

CN223848168UActive Publication Date: 2026-01-30郑州华菱超硬材料有限公司
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202520415529.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-11
Publication Date
2026-01-30
Estimated Expiration
2035-03-11

AI Technical Summary

Technical Problem

The existing PCD end mills have their cutter head and shank fixed together and cannot be disassembled, making replacement inconvenient, reducing their practicality and convenience, and limiting their application range.

Method used

A detachable PCD end mill was designed. Through the combined use of components such as fastening bolts, connecting discs, iron rods, friction balls, and magnetic rings, the cutter head and the shank disc can be detachably connected. The connection is secured by the insertion of a pentagonal plate and a slot to prevent wobbling.

Benefits of technology

It enables convenient disassembly of the cutter head and shank, improving practicality and ease of use, and expanding the application range of milling cutters.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223848168U_ABST
    Figure CN223848168U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of PCD milling cutters, in particular to a detachable PCD milling cutter which comprises a disc, the top of the disc is fixedly connected with a cutter handle disc, a steel disc is slidably connected in the cutter handle disc, the bottom of the steel disc is fixedly connected with a round rod, the bottom of the round rod is fixedly connected with a pentagonal plate, a clamping groove is formed in the disc, and the pentagonal plate is opposite to the clamping groove in position. The pentagonal plate extends into the clamping groove, a connecting spring is fixedly connected to the surface of the disc, a damping rod is arranged in the connecting spring, the steel disc abuts against the connecting spring, a groove is formed in the steel disc, a magnetic ring is fixedly connected into the groove, and an inserting hole is formed in the cutter handle disc. The steel disc and the tool bit can be fixed through the inserting effect of the iron rod on the steel disc and the tool handle disc, meanwhile, the limiting plate is driven by the fastening bolt to abut against the limiting plate, the steel disc abuts against the limiting plate, the steel disc and the tool bit can be limited again, and the tool bit and the tool handle disc are detachably connected together; and the limiting effect on the tool bit is better.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to PCD milling cutter technical field, concretely is a detachable PCD milling cutter. BACKGROUND

[0002] Milling cutters are cutting tools usually used in milling machines or machining centers to perform milling operations (sometimes in other machine tools). They remove material by their feed rate fixed in the machine.

[0003] The utility model discloses a PCD milling cutter of CN217889634U, is provided with vertical section groove on the vertical section of cutting edge, and first PCD insert is arranged in it, and the first pcd insert is parallel to the axis, can better control the chip removal direction, and the dynamic balance can reach above 25000, can realize high -speed processing, and when milling surface processing, the cutting force is to the side edge vertical direction, makes the bottom surface stress smaller, and the stress and chip removal are better when processing thin -walled web, and the processing is more stable.

[0004] There are still some deficiencies in use, the tool bit and the tool plate are fixed together in use, the tool bit and the tool handle cannot be disassembled, the corresponding tool bit or tool handle cannot be replaced, the practicality and the convenience of the milling cutter in use are reduced, the use range of the milling cutter is limited, therefore we propose a detachable PCD milling cutter. UTILITY MODEL CONTENTS

[0005] The utility model discloses a detachable PCD milling cutter to solve the tool bit and the tool plate are fixed together in use in the background art, the tool bit and the tool handle cannot be disassembled, the corresponding tool bit or tool handle cannot be replaced, the practicality and the convenience of the milling cutter in use are reduced, the use range of the milling cutter is limited.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A detachable PCD milling cutter, including disc, the top of disc is fixedly connected with tool handle disc, the steel disc is slidably connected in the tool handle disc, the bottom of steel disc is fixedly connected with round rod, the bottom of round rod is fixedly connected with pentagonal plate, the clamping groove is seted up in the disc, the pentagonal plate is opposite with clamping groove position, the pentagonal plate extends to the clamping groove, the surface of disc is fixedly connected with connecting spring, the damping rod is seted up in connecting spring, the steel disc is opposite with connecting spring, the recess is seted up in the steel disc, the magnetic ring is fixedly connected in recess, the insertion hole is seted up in the tool handle disc, the connecting disc is seted up at the outside of tool handle disc, the iron rod is fixedly connected on the side of connecting disc.

[0008] As the preferred scheme of the utility model, the outer surface of the iron rod is fixedly connected with a friction ball, the iron rod is inserted into the insertion hole, the friction ball abuts against the inner wall of the insertion hole, and the end of the iron rod extends into the magnetic ring and is magnetically connected with the magnetic ring.

[0009] As the preferred scheme of the utility model, a side groove is formed in the handle disc, and a limiting plate is slidably connected in the side groove and arranged on the side of the steel disc.

[0010] As the preferred scheme of the utility model, a fastening bolt is threadedly connected to the top of the handle disc, the bottom of the fastening bolt is opposite to the position of the limiting plate, and the limiting plate is arranged on the side of the connecting disc.

[0011] As the preferred scheme of the utility model, a tool bit is fixedly connected to the top of the steel disc, and a threaded seat is fixedly connected to the bottom of the disc, and the material of the tool bit and the threaded seat is stainless steel.

[0012] As the preferred scheme of the utility model, a plurality of friction balls are arranged, the plurality of friction balls are equally angularly distributed on the outer surface of the iron rod, and the sizes of the plurality of friction balls are the same.

[0013] As the preferred scheme of the utility model, the limiting plate is semicircular, and an anti-skid pattern is formed in the bottom of the limiting plate.

[0014] As the preferred scheme of the utility model, a plurality of groups of connecting springs and damping rods are arranged, and the plurality of groups of connecting springs and damping rods are arranged outside the circular rod.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1、In the utility model, the cooperation of the fastening bolt, the connecting disc, the iron rod, the insertion hole, the friction ball and the magnetic ring can realize the insertion of the steel disc and the handle disc by the iron rod, can fix the steel disc and the tool bit, can abut against the limiting plate under the driving of the fastening bolt, can abut against the steel disc, can limit the steel disc and the tool bit again, can detachably connect the tool bit and the handle disc together, and the limiting effect on the tool bit is better.

[0017] 2、In the utility model, the cooperation of the connecting spring, the damping rod, the pentagonal plate and the clamping groove can realize the insertion of the clamping groove by the pentagonal plate, can avoid the horizontal shaking of the steel disc, can improve the fixing effect on the tool bit and the steel disc, can pull out the iron rod when the tool bit and the handle disc need to be detached, can reversely rotate the fastening bolt to make the limiting plate not abut against the steel disc, and can move the steel disc and the tool bit upward under the elastic force of the connecting spring, thereby facilitating the detachment of the tool bit and the handle disc. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the whole structure schematic view of the utility model;

[0019] Figure 2 It is the bottom structure schematic view of the utility model;

[0020] Figure 3 It is the structure schematic view of the steel disc and the disc of the utility model;

[0021] Figure 4 It is the bottom structure schematic view of the utility model handle disc.

[0022] In the drawing: 1, disc; 2, threaded seat; 3, handle disc; 4, connecting disc; 5, limiting plate; 6, fastening bolt; 7, side groove; 8, tool bit; 9, steel disc; 10, round rod; 11, pentagonal plate; 12, clamping groove; 13, connecting spring; 14, damping rod; 15, friction ball; 16, recess; 17, magnetic ring; 18, insertion hole; 19, iron rod. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be apparently, apparently, the described embodiment is only a part of the embodiment of the utility model, but not all the embodiment, based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without doing the creative labor belong to the range of the utility model protection.

[0024] Embodiment, please see Figures 1-4 The utility model provides a technical scheme:

[0025] A detachable PCD milling cutter, including disc 1, the top of disc 1 is fixedly connected with handle disc 3, handle disc 3 is slidably connected with steel disc 9, the bottom of steel disc 9 is fixedly connected with round rod 10, the bottom of round rod 10 is fixedly connected with pentagonal plate 11, clamping groove 12 is set up in disc 1, pentagonal plate 11 is opposite to clamping groove 12, pentagonal plate 11 extends to clamping groove 12, the surface of disc 1 is fixedly connected with connecting spring 13, damping rod 14 is arranged in connecting spring 13, under the elastic force of connecting spring 13, steel disc 9 and tool bit 8 are bounced up, in turn, it can be convenient to separate tool bit 8 and handle disc 3, steel disc 9 is opposite to connecting spring 13, recess 16 is set up in steel disc 9, magnetic ring 17 is fixedly connected in recess 16, insertion hole 18 is set up in handle disc 3, the outside of handle disc 3 is provided with connecting disc 4, iron rod 19 is fixedly connected on the side of connecting disc 4.

[0026] In this embodiment as Figure 1 And Figure 2As shown, the outer surface of the iron bar 19 is fixedly connected with the friction ball 15, the iron bar 19 is inserted into the insertion hole 18, the friction ball 15 abuts against the inner wall of the insertion hole 18, the end of the iron bar 19 extends into the magnetic ring 17 and is magnetically connected with the magnetic ring 17, the side slot 7 is formed in the handle disc 3, the limiting plate 5 is slidably connected in the side slot 7, the limiting plate 5 is arranged on the side of the steel disc 9, the fastening bolt 6 is threadedly connected to the top of the handle disc 3, the bottom of the fastening bolt 6 is opposite to the limiting plate 5, and the limiting plate 5 is arranged on the side of the connecting disc 4.

[0027] Wherein, the steel disc 9 and the blade head 8 can be fixed by the insertion of the iron bar 19, the limiting plate 5 is abutted by the fastening bolt 6, the limiting plate 5 abuts against the steel disc 9, the steel disc 9 and the blade head 8 are limited again, the blade head 8 and the handle disc 3 are detachably connected, and the limiting effect of the blade head 8 is better.

[0028] In this embodiment, as shown in Figure 3 and Figure 4 As shown, the top of the steel disc 9 is fixedly connected with the blade head 8, the bottom of the disc 1 is fixedly connected with the threaded seat 2, the materials of the blade head 8 and the threaded seat 2 are stainless steel, the friction ball 15 is provided with a plurality of friction balls 15, the plurality of friction balls 15 are equiangularly distributed on the outer surface of the iron bar 19, the plurality of friction balls 15 are the same in size, the limiting plate 5 is semicircular in shape, the bottom of the limiting plate 5 is provided with anti-skid lines, and the connecting spring 13 and the damping rod 14 are provided with a plurality of groups, and the plurality of groups of the connecting spring 13 and the damping rod 14 are arranged outside the circular rod 10.

[0029] Wherein, the steel disc 9 can be prevented from horizontal shaking by the insertion of the five-angle plate 11 into the clamping slot 12, the fixing effect of the blade head 8 and the steel disc 9 is improved, when the blade head 8 and the handle disc 3 need to be disassembled, the iron bar 19 can be pulled out, the fastening bolt 6 is reversely rotated, the limiting plate 5 no longer abuts against the steel disc 9, and the steel disc 9 and the blade head 8 can be moved upward under the elastic force of the connecting spring 13, so that the blade head 8 and the handle disc 3 are disassembled.

[0030] The utility model discloses a work flow: using detachable PCD milling cutter of this scheme design when working, pentagonal plate 11 of steel disc 9 bottom is inserted in card slot 12, then inserts the iron pole 19 in the insertion hole 18, makes friction ball 15 and the inner wall of insertion hole 18 abut, and the side end of iron pole 19 and the inner wall of magnetic ring 17 are attracted together, and then the steel disc 9 and the tool bit 8 are preliminarily fixed, then move the limiting plate 5 to the surface of steel disc 9, and rotate the fastening bolt 6 through the bottom of fastening bolt 6 and the abut of limiting plate 5, and then the steel disc 9 and the tool bit 8 can be fixed again, improve the stability of tool bit 8 and handle disc 3 connection, when needing to separate tool bit 8 and handle disc 3, reverse rotation fastening bolt 6 and make limiting plate 5 move to the side groove 7, then iron pole 19 and connecting disc 4 are extracted from handle disc 3, at this time under the elastic force of connecting spring 13, steel disc 9 and tool bit 8 are bounced up, and then tool bit 8 and handle disc 3 can be separated conveniently, improve the convenience when tool bit 8 and handle disc 3 are disassembled.

[0031] Although the embodiments of the utility model have been shown and described, it is 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 detachable PCD milling tool comprising a disc (1), characterised in that: The top of the disc (1) is fixedly connected with a handle disc (3), the handle disc (3) is slidably connected with a steel disc (9), the bottom of the steel disc (9) is fixedly connected with a round rod (10), the bottom of the round rod (10) is fixedly connected with a pentagonal plate (11), the disc (1) is provided with a clamping groove (12), the pentagonal plate (11) is opposite to the clamping groove (12), the pentagonal plate (11) extends into the clamping groove (12), the surface of the disc (1) is fixedly connected with a connecting spring (13), the connecting spring (13) is provided with a damping rod (14), the steel disc (9) is opposite to the connecting spring (13), the steel disc (9) is provided with a groove (16), the groove (16) is fixedly connected with a magnetic ring (17), the handle disc (3) is provided with a jack (18), the outside of the handle disc (3) is provided with a connecting disc (4), the side of the connecting disc (4) is fixedly connected with an iron rod (19).

2. A detachable PCD milling tool according to claim 1, wherein: The outer surface of the iron rod (19) is fixedly connected with a friction ball (15), the iron rod (19) is inserted into the jack (18), the friction ball (15) is opposite to the inner wall of the jack (18), the end of the iron rod (19) extends into the magnetic ring (17) and is magnetically connected with the magnetic ring (17).

3. The detachable PCD milling tool of claim 1, wherein: The handle disc (3) is provided with a side groove (7), the side groove (7) is slidably connected with a limiting plate (5), the limiting plate (5) is arranged on the side of the steel disc (9).

4. A detachable PCD milling tool according to claim 3, wherein: The top of the handle disc (3) is threadedly connected with a fastening bolt (6), the bottom of the fastening bolt (6) is opposite to the limiting plate (5), the limiting plate (5) is arranged on the side of the connecting disc (4).

5. The detachable PCD milling tool of claim 1, wherein: The top of the steel disc (9) is fixedly connected with a tool bit (8), the bottom of the disc (1) is fixedly connected with a threaded seat (2), the materials of the tool bit (8) and the threaded seat (2) are stainless steel.

6. The detachable PCD milling tool of claim 2, wherein: The friction ball (15) is provided with a plurality of friction balls (15), the plurality of friction balls (15) are equiangularly distributed on the outer surface of the iron rod (19), and the plurality of friction balls (15) are the same in size.

7. The detachable PCD milling tool of claim 3, wherein: The limiting plate (5) is semicircular, and the bottom of the limiting plate (5) is provided with anti-skid lines.

8. The detachable PCD milling tool of claim 1, wherein: The connecting spring (13) and the damping rod (14) are provided with a plurality of groups, and the plurality of groups of the connecting spring (13) and the damping rod (14) are arranged on the outside of the round rod (10).

Citation Information

Patent Citations

  • PCD milling cutter

    CN217889634U