CN215615352U

CN215615352U - Drilling and reaming integrated composite milling cutter

Info

Publication number: CN215615352U
Application number: CN202121814694.4U
Authority: CN
Inventors: 祁勇平; 李希朝
Original assignee: Changzhou Hongfeng Tools Co ltd
Current assignee: Changzhou Hongfeng Tools Co ltd
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2022-01-25
Anticipated expiration: 2031-08-02

Abstract

The utility model belongs to the technical field of milling cutters, and particularly relates to a drilling and reaming integrated composite milling cutter which comprises a drill bit and a drill rod, wherein the drill bit and the drill rod are integrally formed, a tapping sleeve is sleeved at the upper end of the drill rod, the inner surface of the tapping sleeve is further sleeved with the upper end of the drill bit, a fixing plate is arranged at the upper end of the tapping sleeve, a butting sleeve is fixedly arranged at the upper end of the tapping sleeve, an upper insert cylinder is fixedly arranged at the lower surface of the tapping sleeve, the tapping sleeve can be used or not used according to actual use conditions by arranging the tapping sleeve convenient to disassemble, the tapping sleeve is of a structure convenient to assemble and disassemble, the stability of the tapping sleeve after assembly is ensured by arranging a plurality of limiting components, the integration of the drill rod and the tapping sleeve is stronger, the processing effect is ensured, and connecting components of a positioning column, a positioning sleeve, a positioning bolt, the butting sleeve, the upper insert cylinder and a lower insert cylinder are arranged in a mutually embedded and penetrating connection mode, the stabilization effect after the connection is better.

Description

Drilling and reaming integrated composite milling cutter

Technical Field

The utility model belongs to the technical field of milling cutters, and particularly relates to a drilling and reaming integrated composite milling cutter.

Background

The drill is a countersink drill. Also called a chamfering tool, a chamfering drill, a pit-marking drill, a chamfering device, a drill for countersinking a conical countersink. The method can be used for processing the orifice deburring, chamfering and sinking socket, and has the premise that a guide hole is needed, the subsequent processing can be carried out, and the taper hole is large in top and small in bottom. When the taper flat head screw is placed, a counter bore and a taper hole socket need to be processed. The deburring of the orifice trimming is to trim the edge of the orifice. The milling cutter, which removes the edge corners of the bore, is a rotating tool with one or more cutter teeth for milling. When in work, each cutter tooth cuts off the allowance of the workpiece in sequence and intermittently. The utility model relates to a milling cutter, in particular to a drilling and reaming integrated composite milling cutter which is mainly used for processing planes, steps, grooves, formed surfaces, cut-off workpieces and the like on a milling machine.

Most of the original drilling and reaming type milling cutters do not have a tapping structure when in use, if tapping is needed, secondary tapping is needed after drilling and reaming, the working efficiency is influenced, and the precision is influenced during secondary tapping.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides a drilling and reaming integrated composite milling cutter which has the characteristics of one-step forming of drilling and tapping and selective use.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an integrative compound milling cutter bores ream, includes drill bit and drilling rod, drill bit and drilling rod integrated into one piece, the cover of attacking has been cup jointed to the upper end of drilling rod, just the internal surface of attacking the cover still cup joints with the upper end of drill bit, the upper end of attacking the cover is provided with the fixed plate, the fixed butt joint cover that is provided with in upper end of attacking the cover, the lower fixed surface of attacking the cover is provided with inserts a section of thick bamboo, insert a section of thick bamboo under the last fixed surface of drill bit is connected, on insert a section of thick bamboo and butt joint cover plug-in connection down, the upper surface of drill bit still symmetry is provided with two reference columns, the upper surface integrated into one piece of attacking the cover is provided with the position sleeve.

According to the preferable technical scheme of the drilling and reaming integrated composite milling cutter, through holes for inserting the positioning columns are formed in the positioning sleeves and the corresponding surfaces of the tapping sleeves in a penetrating mode, and the positioning columns are in butt joint with the positioning sleeves.

According to the preferable technical scheme of the drilling and reaming integrated composite milling cutter, through holes are formed in the positions, opposite to the butting sleeve, of the surface of the tapping sleeve in a penetrating mode.

According to the preferable technical scheme of the drilling and reaming integrated composite milling cutter, the fixing plate is arranged in an arc shape, two ends of the fixing plate are located at the upper ends of the two positioning sleeves, the lower surfaces of the two ends of the fixing plate are symmetrically provided with the integrally formed positioning bolts, jacks for inserting the positioning bolts are further formed in the positioning sleeves and the positioning columns, and the positioning bolts penetrate through the positioning sleeves and are inserted into the positioning columns.

According to the preferable technical scheme of the drilling and reaming integrated composite milling cutter, threaded holes are formed in the upper inserting cylinder and the lower inserting cylinder, fixing screws are connected in the upper inserting cylinder and the lower inserting cylinder in a screwing mode, and the fixing screws penetrate through the upper inserting cylinder and are screwed into the lower inserting cylinder.

Compared with the prior art, the utility model has the beneficial effects that: through setting up convenient to detach's tapping cover, can use or not use the tapping cover according to the in-service use condition, and the tapping cover is the structure of installation dismantlement convenient to, through setting up a plurality of spacing subassemblies, guarantee the stability of tapping cover after the installation, the wholeness of time drilling rod and tapping cover is stronger, guarantee the processing effect, with the reference column, the position sleeve, the location bolt and to the adapter sleeve, go up the socket, the coupling assembling of socket all sets to imbedding each other and the connected mode that runs through down, its stable effect after connecting is better.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural view of a partial explosion according to the present invention;

FIG. 2 is a schematic bottom view of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the structure of FIG. 1 in use according to the present invention;

FIG. 4 is a schematic structural diagram of a front view of a partial cross section of the present invention;

FIG. 5 is a side view, partially in section, schematically illustrating the structure of the present invention;

in the figure: 1. a drill bit; 2. a drill stem; 3. tapping a thread sleeve; 4. a fixing plate; 5. butting sleeves; 6. an upper insertion cylinder; 7. a lower insertion cylinder; 8. a set screw; 9. a positioning column; 10. a positioning sleeve; 11. and (6) positioning the bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-5, the present invention provides the following technical solutions: the utility model provides an integrative compound milling cutter bores and reams, including drill bit 1 and drilling rod 2,

drill bit

1 and 2 integrated into one piece of drilling rod, tapping sleeve 3 has been cup jointed to the upper end of drilling rod 2, and tapping sleeve 3's internal surface still cup joints with drill bit 1's upper end, tapping sleeve 3's upper end is provided with fixed plate 4, tapping sleeve 3's the fixed butt joint cover 5 that is provided with in upper end, tapping sleeve 3's lower fixed surface is provided with a section of thick bamboo 6, drill bit 1's last fixed surface is connected with down a section of thick bamboo 7, it is connected with butt joint cover 5 interpolation to go up a section of thick bamboo 6 and insert a section of thick bamboo 7 down, drill bit 1's upper surface still symmetry is provided with two reference columns 9, tapping sleeve 3's upper surface integrated into one piece is provided with position sleeve 10.

Specifically, the inside of position sleeve 10 runs through with the corresponding surface of tapping cover 3 and is offered and be used for reference column 9 male through-hole, and reference column 9 docks each other with position sleeve 10, and reference column 9 and position sleeve 10 are embedded connected mode in this embodiment.

Specifically, the position that tapping cover 3's surface set up relatively docking sleeve 5 has run through and has seted up the through-hole, and the through-hole that docking sleeve 5 was connected tapping cover 3 position and was seted up in this embodiment is used for inserting of lower cartridge 7 and inserting of set screw 8 to connect soon.

It is specific, fixed plate 4 sets up and both ends are located the upper end of two position sleeve 10 for the arc, the both ends lower surface symmetry of fixed plate 4 is provided with integrated into one piece's location bolt 11, the inside of position sleeve 10 and the inside of reference column 9 have still been offered and are used for fixing a position 11 male jacks of bolt, location bolt 11 runs through position sleeve 10 and inserts the inside of reference column 9, reference column 9 is embedded connected mode with position sleeve 10 in this embodiment, strengthen connecting through location bolt 11 and can also play the effect of strengthening the location, make it drill

bit

2 and 3 junctions of tapping sleeve can not become flexible when drilling after the installation.

Specifically, insert a section of thick bamboo 6 and insert a section of thick bamboo 7's inside all set up threaded hole down on, and inside closes soon and is connected with set screw 8, set screw 8 runs through and inserts a section of thick bamboo 6 and screw in and insert a section of thick bamboo 7's inside down, through setting up docking sleeve 5, insert a section of thick bamboo 6 and insert a 7's docking mode down and use set screw 8 to connect in this embodiment, this kind of mode is fixed effectual, and sets set screw 8 to one, plays the effect convenient to install and dismantle.

The working principle and the using process of the utility model are as follows: when needs are to the tapping to drilling, with tapping cover 3 along the upper end cunning of drilling rod 2 cup joint in the upper end of drill bit 1, reference column 9 and position sleeve 10 dock when cup jointing, insert a section of thick bamboo 7 down and insert the inside of butt joint cover 5, then insert in the connecting hole that position sleeve 10 and reference column 9 are inside seted up with location bolt 11, insert a section of thick bamboo 6 and also insert the inside upper end of butt joint cover 5 on the while, insert a section of thick bamboo 6 and insert in the screw that a section of thick bamboo 7 was inside was seted up down with fixing screw 8 screw in this moment, drill bit 1 this moment after screwing, tapping cover 3 and fixing plate 4 then zonulae occludens, screw 8 during the time of not using, take off fixed plate 4 and tapping cover 3 in the upper end of drill bit 1 in proper order can.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a bore integrative compound milling cutter of ream, includes drill bit (1) and drilling rod (2), drill bit (1) and drilling rod (2) integrated into one piece, its characterized in that: tapping sleeve (3) has been cup jointed to the upper end of drilling rod (2), just the internal surface of tapping sleeve (3) still cup joints with the upper end of drill bit (1), the upper end of tapping sleeve (3) is provided with fixed plate (4), the fixed butt joint cover (5) that is provided with in upper end of tapping sleeve (3), the lower fixed surface of tapping sleeve (3) is provided with a section of thick bamboo (6) of inserting, insert a section of thick bamboo (7) under the last fixed surface of drill bit (1) is connected, on insert a section of thick bamboo (6) and insert a section of thick bamboo (7) and be connected with butt joint cover (5) the plug-in, the upper surface of drill bit (1) still symmetry is provided with two reference columns (9), the upper surface integrated into one piece of tapping sleeve (3) is provided with position sleeve (10).

2. The drilling and reaming integrated composite milling cutter according to claim 1, wherein: the inside of position sleeve (10) and the corresponding surface of tapping cover (3) run through and offer and be used for reference column (9) male through-hole, reference column (9) and position sleeve (10) dock each other.

3. The drilling and reaming integrated composite milling cutter according to claim 1, wherein: the surface of the tapping sleeve (3) is provided with a through hole which is penetrated through the position of the butt joint sleeve (5) relatively.

4. The drilling and reaming integrated composite milling cutter according to claim 1, wherein: the fixing plate (4) is arranged in an arc shape, two ends of the fixing plate are located at the upper ends of the two positioning sleeves (10), the lower surfaces of the two ends of the fixing plate (4) are symmetrically provided with integrally formed positioning bolts (11), inserting holes for inserting the positioning bolts (11) are further formed in the positioning sleeves (10) and the positioning columns (9), and the positioning bolts (11) penetrate through the positioning sleeves (10) and the positioning columns (9).

5. The drilling and reaming integrated composite milling cutter according to claim 1, wherein: the upper insertion barrel (6) and the lower insertion barrel (7) are provided with threaded holes inside, the inner portions of the upper insertion barrel (6) and the lower insertion barrel (7) are connected with fixing screws (8) in a screwing mode, and the fixing screws (8) penetrate through the upper insertion barrel (6) and are screwed into the lower insertion barrel (7).