CN211387254U

CN211387254U - Thread milling cutter with continuous curve edge

Info

Publication number: CN211387254U
Application number: CN201921835350.4U
Authority: CN
Inventors: 李志芬; 梅永杰
Original assignee: Changzhou Naizhili Toolmaking Co ltd
Current assignee: Changzhou Zhongliang Cutting Technology Co ltd
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-09-01
Anticipated expiration: 2029-10-29

Abstract

The utility model discloses a thread milling cutter with continuous curve sword, including drill bit, installation screw rod, anti-skidding spring, sealed pad, tapping head, transition portion, outage, connection handle, stock solution handle, inlet, handle of a knife, spring hole, screw hole and inlet channel. The utility model has the advantages that: drill bit and tapping head link together and the dismantlement installation that can be free through installation screw rod and screw hole, can directly carry out direct tapping through the tapping head after drill bit portion drilling finishes, need not change the cutter, can effectually improve the machining efficiency of screw hole, the diameter of tapping head slightly is greater than the diameter of drill bit and the junction of the two is provided with the transition portion of round platform shape, guarantee the drill bit and tap more even of transition conversion between the head, processing is difficult to produce the burr and guarantees to be possessed better quality by the processing screw thread, the middle part cavity of stock solution handle just communicates with inlet and inlet channel, can cool down processing work piece and cutter with utilizing the liquid cooling mode.

Description

Thread milling cutter with continuous curve edge

Technical Field

The utility model relates to a thread milling cutter specifically is a thread milling cutter with continuous curve sword belongs to the machining equipment field.

Background

At present, a lot of work pieces need utilize thread milling cutter to trompil, the processing of screw hole is that multiple cutter processed in proper order under most circumstances, generally speaking, drill earlier, later use screw tap tapping or thread milling cutter to mill the spiral shell, because need use two kinds of cutters, need frequently with the tool changing, very inconvenience, the process is many and process time is long, the efficiency of work has been reduced, and twice can not guarantee completely that the central point is unanimous around, cause certain error easily, and the screw thread that processes out with this kind of method appears smooth finish harmfully easily or burr phenomenon, later stage still needs workman's manual deburring, troublesome poeration and vulnerable thread, workman's intensity of labour has been improved greatly, workman's work efficiency has been seriously reduced, and the quality of product has been reduced.

SUMMERY OF THE UTILITY MODEL

An object of the present invention is to provide a thread milling cutter with a continuous curved edge for solving the above-mentioned problems.

The utility model discloses a following technical scheme realizes above-mentioned purpose: a thread milling cutter with a continuous curved edge comprises a drill bit, a mounting screw, an anti-skidding spring, a sealing gasket, a tapping head, a transition part, a liquid discharge hole, a connecting handle, a liquid storage handle, a liquid inlet, a cutter handle, a spring hole, a threaded hole and a liquid inlet channel; the anti-skidding spring is fixedly arranged on the upper end surface of the drill bit on two sides of the mounting screw rod, the bottom of the tapping head is fixedly provided with a transition part, the bottom of the tapping head is provided with a threaded hole, two sides of the threaded hole are provided with spring holes, sealing gaskets are arranged in the threaded hole, the drill bit and the tapping head are provided with liquid discharge holes, the upper end of the tapping head is fixedly provided with a connecting handle, the upper end of the connecting handle is fixedly provided with a liquid storage handle, the liquid storage handle is provided with a liquid inlet, the upper end of the liquid storage handle is provided with a cutter handle, the mounting screw rod is fixedly arranged in the threaded hole, the drill bit and the tapping head are connected together through the mounting screw rod and the threaded hole and can be freely disassembled and installed, the diameter of the tapping head is slightly larger than that of the drill bit, the joint of the drill bit and the liquid storage handle is provided with, the anti-skidding spring's upper and lower both ends support the drill bit respectively and tap the head, the inside of drill bit and tap is provided with inlet channel, the middle part cavity of stock solution handle just communicates with inlet and inlet channel, it has the sealed pad of one deck to fill up between the top of installation screw rod and the bottom of screw hole.

Furthermore, in order to directly tap through the tapping head after the drilling of the drill bit part is finished, the drill bit and the tapping head are connected together through the mounting screw rod and the threaded hole and can be freely disassembled and assembled.

Furthermore, in order to ensure that the transition conversion between the drill bit and the tapping head is more uniform, the diameter of the tapping head is larger than that of the drill bit, and a truncated cone-shaped transition part is arranged at the joint of the drill bit and the tapping head.

Further, in order to cool down the machined workpiece and the cutter by utilizing a liquid cooling mode, the middle of the liquid storage handle is hollow and is communicated with the liquid inlet and the liquid inlet channel.

Furthermore, in order to prevent the cooled liquid from leaking, a layer of sealing gasket is arranged between the top of the mounting screw rod and the bottom of the threaded hole.

Furthermore, in order to prevent the drill bit and the tapping head from falling off due to the fact that relative movement is not easy to generate between the drill bit and the tapping head, the upper end and the lower end of the anti-skidding spring respectively abut against the drill bit and the tapping head.

The utility model has the advantages that: the thread milling cutter has the advantages that the thread milling cutter is compact in structure connection, simple to use and reasonable in design, a drill bit and a tapping head are connected together through a mounting screw rod and a threaded hole and can be freely disassembled and mounted, after drilling of the drill bit part is finished, direct tapping can be directly carried out through the tapping head without replacing a cutter, the processing efficiency of the threaded hole can be effectively improved, the diameter of the tapping head is slightly larger than that of the drill bit, a truncated cone-shaped transition part is arranged at the joint of the tapping head and the drill bit, transition conversion between the drill bit and the tapping head is more uniform, burrs are not easily generated during processing, the processed threads have better quality, the middle part of a liquid storage handle is hollow and is communicated with a liquid inlet and a liquid inlet channel, a processed workpiece and the cutter can be cooled by utilizing a liquid cooling mode, a layer of sealing gasket is arranged between the top of the mounting screw rod and the bottom of the, so that the cooled liquid can not be leaked, the upper end and the lower end of the antiskid spring respectively support the drill bit and the tapping head, and the drill bit and the tapping head are pressed to prevent relative movement between the drill bit and the tapping head from falling.

Drawings

FIG. 1 is an exploded view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the liquid inlet channel of the present invention;

FIG. 3 is a schematic view of the overall structure of the present invention;

in the figure: 1. the drilling bit, 2, the installation screw rod, 3, the anti-skidding spring, 4, the sealed pad, 5, the tapping head, 6, transition portion, 7, the outage, 8, the connection handle, 9, the stock solution handle, 10, the inlet, 11, the handle of a knife, 12, the spring hole, 13, screw hole, 14, feed liquor passageway.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a thread milling cutter with a continuous curved edge comprises a drill bit 1, a mounting screw 2, an anti-slip spring 3, a sealing gasket 4, a tapping head 5, a transition part 6, a liquid discharge hole 7, a connecting handle 8, a liquid storage handle 9, a liquid inlet 10, a cutter handle 11, a spring hole 12, a threaded hole 13 and a liquid inlet channel 14; the upper end of the drill bit 1 is fixed with a mounting screw 2, the upper end surfaces of the drill bit 1 at two sides of the mounting screw 2 are fixed with anti-skidding springs 3, the bottom of the tapping head 5 is fixed with a transition part 6, the bottom of the tapping head 5 is provided with a threaded hole 13, two sides of the threaded hole 13 are provided with spring holes 12, a sealing gasket 4 is arranged in the threaded hole 13, the drill bit 1 and the tapping head 5 are provided with a liquid discharge hole 7, the upper end of the tapping head 5 is fixed with a connecting handle 8, the upper end of the connecting handle 8 is fixed with a liquid storage handle 9, the liquid storage handle 9 is provided with a liquid inlet 10, the upper end of the liquid storage handle 9 is provided with a handle 11, the mounting screw 2 is fixedly arranged in the threaded hole 13, the drill bit 1 and the tapping head 5 are connected together through the mounting screw 2 and the threaded hole 13 and can be freely disassembled and installed, the diameter of the tapping head 5 is slightly larger than the diameter of the drill bit, anti-skidding spring 3 is installed in spring hole 12, anti-skidding spring 3's upper and lower both ends support drill bit 1 and tapping head 5 respectively, drill bit 1 and tapping head 5's inside is provided with inlet channel 14, the middle part cavity of stock solution handle 9 just communicates with inlet 10 and inlet channel 14, it has the sealed pad 4 of one deck to fill up between the top of installation screw 2 and the bottom of screw hole 13.

As the utility model discloses a technical optimization scheme: the drill bit 1 and the tapping head 5 are connected together through the mounting screw 2 and the threaded hole 13 and can be freely disassembled and mounted; the diameter of the tapping head 5 is larger than that of the drill bit 1, and a cone-shaped transition part 6 is arranged at the joint of the tapping head and the drill bit; the middle part of the liquid storage handle 9 is hollow and is communicated with the liquid inlet 10 and the liquid inlet channel 14; a layer of sealing gasket 4 is padded between the top of the mounting screw rod 2 and the bottom of the threaded hole 13; the upper end and the lower end of the antiskid spring 3 respectively support against the drill bit 1 and the tapping head 5.

The utility model discloses when using, at first through the outage inside the stock solution handle, then install the handle of a knife on the milling machine, aim at the position that needs processing screw hole on the work piece with the drill bit, then open the milling machine and can process, at first use the drill bit processing to leave the hole, then use the tapping head to carry out the tapping to the hole of boring can.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a thread milling cutter with continuous curve sword which characterized in that: the drilling tool comprises a drill bit (1), a mounting screw (2), an anti-skidding spring (3), a sealing gasket (4), a tapping head (5), a transition part (6), a liquid discharge hole (7), a connecting handle (8), a liquid storage handle (9), a liquid inlet (10), a tool shank (11), a spring hole (12), a threaded hole (13) and a liquid inlet channel (14); the anti-skidding thread tapping device is characterized in that a mounting screw (2) is fixed at the upper end of a drill (1), anti-skidding springs (3) are fixed on the upper end face of the drill (1) on two sides of the mounting screw (2), a transition part (6) is fixed at the bottom of a thread tapping head (5), a threaded hole (13) is formed in the bottom of the thread tapping head (5), spring holes (12) are formed in two sides of the threaded hole (13), a sealing gasket (4) is arranged in the threaded hole (13), liquid discharging holes (7) are formed in the drill (1) and the thread tapping head (5), a connecting handle (8) is fixed at the upper end of the thread tapping head (5), a liquid storage handle (9) is fixed at the upper end of the connecting handle (8), a liquid inlet (10) is formed in the liquid storage handle (9), a cutter handle (11) is installed at the upper end of the liquid storage handle (9), and the, the anti-skidding spring (3) is installed in the spring hole (12), and a liquid inlet channel (14) is arranged inside the drill bit (1) and the tapping head (5).

2. A thread milling cutter with a continuous curved edge according to claim 1, wherein: the drill bit (1) and the tapping head (5) are connected together through the mounting screw rod (2) and the threaded hole (13) and can be freely disassembled and mounted.

3. A thread milling cutter with a continuous curved edge according to claim 1, wherein: the diameter of the tapping head (5) is larger than that of the drill bit (1), and a transition part (6) in a circular truncated cone shape is arranged at the joint of the tapping head and the drill bit.

4. A thread milling cutter with a continuous curved edge according to claim 1, wherein: the middle part of the liquid storage handle (9) is hollow and is communicated with the liquid inlet (10) and the liquid inlet channel (14).

5. A thread milling cutter with a continuous curved edge according to claim 1, wherein: and a layer of sealing gasket (4) is padded between the top of the mounting screw rod (2) and the bottom of the threaded hole (13).

6. A thread milling cutter with a continuous curved edge according to claim 1, wherein: the upper end and the lower end of the antiskid spring (3) respectively abut against the drill bit (1) and the tapping head (5).