CN209452866U - A kind of connection structure of split type drill body - Google Patents
A kind of connection structure of split type drill body Download PDFInfo
- Publication number
- CN209452866U CN209452866U CN201921285893.3U CN201921285893U CN209452866U CN 209452866 U CN209452866 U CN 209452866U CN 201921285893 U CN201921285893 U CN 201921285893U CN 209452866 U CN209452866 U CN 209452866U
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- drill bit
- threaded hole
- central axis
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- 238000005553 drilling Methods 0.000 claims abstract description 64
- 230000007704 transition Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Abstract
The utility model discloses a kind of connection structures of split type drill body, it is related to modern mechanical manufacturing field, including drilling rod, drill bit, connector and locating piece, locating piece includes positioning cylinder and cylindrical locating slot, after positioning, drill bit is overlapped with the central axis of drilling rod, and connector includes two sub- connecting members, and sub- connecting member includes pillar and groove；The close contact that the drilling thrust of drill body passes through the end face 1F of drilling rod and the end face 2F of drill bit, it is transmitted on drilling rod from drill bit, the close contact that the drilling torque of drill body passes through the face 2P of pillar and the face 1P of groove, it is transmitted on drilling rod from drill bit, pass through the effect of positioning cylinder and locating slot, it is overlapped the central axis of drilling rod and drill bit, reach the requirement of concentricity, the end face 2F of the end face 1F of the drilling rod and drill bit central axis upright with drilling rod and drill bit respectively, it ensure that the close contact of the end face 1F of drilling rod and the end face 2F of drill bit, have effectively achieved drilling rod, drill bit load and unload and the transmitting of axial force and torque.
Description
Technical field
The utility model relates to modern mechanical manufacturing field more particularly to a kind of connection structures of split type drill body.
Background technique
The modularization connecting interface pattern of tool system there are many kinds of, such as: ABS, MC, KM belong to different
Using scope, for turning round the modular connection structure of cutter hub, common feature must satisfy two conditions: one, two or two
A above module must satisfy height with one heart when connecting；Two, it after each module connection must be able to that axial force and torsion is reliably transmitted
Square and rigidity enough, have a kind of Kennametal, U.S. FDS-interface connection type in drilling field.The connection type is: benefit
It is revolved relative to the convex block of drill body center line rotational symmetry and two of bar portion relative to drill body center line with two of head module
Turn symmetrical pit cooperation to feel relieved and transmit torque, the end face of two modules is in close contact to transmit axial force.Have in bar portion
Two tapered ends are pressed closer screw by the screw hole of two rotational symmetry, are screwed in from bar portion two sides, are screwed in the conical surface of screw front end
In the taper hole on two boss that head module is stretched out.When tightening screw, due to the center line and head mould of bar portion screw hole
The distance of the end face of taper hole center line and two modules on block boss keeps certain deviation, even if the conical surface of screw and head mould
When taper hole on block boss cooperates, two mutually perpendicular component are generated, one makes the both ends of the surface of head and bar portion module more
It fits closely, another makes bar portion module pit and head module convex block combine closely, the two component keep two modules close
It is combined into an entirety, the FDS interface connection type simple structure, convenient loading and unloading, this must be by head also for satisfaction
Module and the disassembly of bar portion module could replace the requirement of center cutter head, and center cutter head is the cutter head of disposable type, therefore the structure
The case where frequently being loaded and unloaded suitable for module, but the intermodule concentricity of the interface be by two of high-accuracy processing special-shaped convex blocks and
Come what is guaranteed, this greatly improves manufacturing cost for the cooperation of pit.
Utility model content
The purpose of this utility model is that the connection structure for devising a kind of split type drill body to solve the above-mentioned problems.
The utility model achieves the above object through the following technical schemes:
A kind of connection structure of split type drill body, including drilling rod, drill bit, connector and for positioning determining for drill bit and drilling rod
Position part, the upper end of drilling rod are connected by the lower end of connector and drill bit, after locating piece positioning, the central axis of drill bit and drilling rod
Central axis is overlapped.
Further, locating piece includes positioning cylinder and cylindrical locating slot, and the end face 1F of drilling rod is arranged in positioning cylinder
On, and the central axis coaxial of the central axis of positioning cylinder and drilling rod, locating slot are arranged on the end face 2F of drill bit, and position
The central axis of slot and the central axis coaxial of drill bit, the diameter of positioning cylinder is equal to the diameter of locating slot, after positioning, setting circle
Column is located in locating slot, and with locating slot transition fit.
Further, connector includes two sub- connecting members, central axis rotation pair of two sub- connecting members about drilling rod
Claim.
Further, each sub- connecting member includes:
Groove, groove are arranged on the end face 1F of drilling rod, and side at least one face 1P of groove is plane, two grooves
Face 1P be parallel to each other, and perpendicular to end face 1F；
Pillar, pillar are arranged on the end face 2F of drill bit, and side at least one face 2P of pillar is plane, two pillars
Face 2P be parallel to each other, and perpendicular to end face 2F, pillar is identical as the cross-sectional shape of groove, and the cross-sectional area of pillar is smaller
In the cross-sectional area of groove；
First threaded hole, the first threaded hole are arranged on drilling rod, and the first threaded hole is communicated with groove, and the first threaded hole
First end is opposite with the face 1P of groove, and the second end of the first threaded hole is located on the outer wall of drilling rod；
Screw, screw are removably mounted in the first threaded hole；
Second threaded hole, the second threaded hole are arranged on positioning cylinder, the central axis and positioning cylinder of the second threaded hole
Central axis coaxial；
Third threaded hole, third threaded hole are arranged on the end face 2F of drill bit, and third threaded hole is connected to locating slot, and position
In the top of locating slot, the central axis of third threaded hole and the central axis coaxial of locating slot；
Double-threaded screw, after the hand of spiral at double-threaded screw both ends is on the contrary, drill bit connect with drilling rod, a pillar is mounted on one
In a groove, a screw is squeezed with the side of a pillar and is contacted, the face 1P close contact of the face 2P and groove of a pillar,
The both ends of double-threaded screw are threadedly coupled with the second threaded hole and third threaded hole respectively, the end face 2F of drill bit and the end face 1F of drilling rod
It is in close contact.
The utility model has the beneficial effects that: the end face 2F of drill bit and the end face 1F of drilling rod have larger area closely to connect
Touching, can effectively transmit axial force, and the cooperation of positioning cylinder and locating slot makes the cooperation of drill bit and drilling rod reach concentric to want
It asks, the structure of positioning cylinder and locating slot is simple, and low convenient for manufacturing cost, and concentric effect is good, passes through matching for pillar and groove
It closes, can effectively transmit torque, the close contact of the face 1P of the face 2P and groove of pillar, the end face 2F of drill bit and the end of drilling rod
The close contact of face 1F effectively enhances connection rigidity.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the connection structure of split type drill body of the utility model；
Fig. 2 is the structural schematic diagram of drill bit in a kind of connection structure of split type drill body of the utility model；
Fig. 3 is the structural schematic diagram of drilling rod in a kind of connection structure of split type drill body of the utility model；
Wherein corresponding appended drawing reference are as follows:
1- drilling rod, 2- drill bit, 3- double-threaded screw, 4- screw, 5- groove, 6- third threaded hole, 7- locating slot, 8- pillar,
9- positioning cylinder, the second threaded hole of 10-, the first threaded hole of 11-, the end face 12- 2F, 13- face 2P, the face 14- 1P, 15- end face 1F.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described.Obviously, it is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be understood that term " on ", "lower", "inner", "outside", "left", "right" etc.
The orientation or positional relationship of instruction be based on the orientation or positional relationship shown in the drawings or the utility model product use when
The orientation or positional relationship that the orientation or positional relationship or those skilled in the art usually put usually understand, be only for
Convenient for description the utility model and simplify description, rather than the equipment of indication or suggestion meaning or element must have specifically
Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " etc. are only used for distinguishing description, it is not understood to indicate or imply relatively important
Property.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, " setting ",
Terms such as " connections " shall be understood in a broad sense, for example, " connection " may be a fixed connection, may be a detachable connection, or one
Ground connection；It can be mechanical connection, be also possible to be electrically connected；Can be and be directly connected to, can also by between intermediary in succession
It connects, can be the connection inside two elements.For the ordinary skill in the art, can understand as the case may be
The concrete meaning of above-mentioned term in the present invention.
With reference to the accompanying drawing, specific embodiment of the present utility model is described in detail.
A kind of connection structure of split type drill body, the end face 1F15 of drilling rod 1 are fixedly installed positioning cylinder 9, positioning cylinder 9
Be provided centrally with the second threaded hole 10, central axis of the central axis of the second threaded hole 10 and positioning cylinder 9 with drilling rod 1
Coaxially, the end face 2F12 of drill bit 2 is disposed with third threaded hole 6 and cylindrical locating slot 7, third threaded hole 6 from top to bottom
Central axis coaxial with the central axis of locating slot 7 with drill bit 2, the diameter of positioning cylinder 9 are equal to the diameter of locating slot 7,
Groove 5 there are two settings on the end face 1F15 of drilling rod 1, central axis rotational symmetry of two grooves 5 about drilling rod 1, groove 5
Side at least one face 1P14 is plane, and the face 1P14 of two grooves 5 is parallel to each other, and is each perpendicular to end face 1F15, drill bit 2
End face 2F12 on fixed setting there are two pillar 8, central axis rotational symmetry of two pillars 8 about drill bit 2, pillar 8
Side at least one face 2P13 is plane, and the face 2P13 of two pillars 8 is parallel to each other, and is each perpendicular to end face 2F12, pillar 8
It is identical as the cross-sectional shape of groove 5, and the cross-sectional area of pillar 8 is slightly less than the cross-sectional area of groove 5, also sets up on drilling rod 1
There are two the first threaded hole 11, first threaded hole 11 is communicated with a groove 5, and the first end of the first threaded hole 11 with it is recessed
The face 1P14 of slot 5 is opposite, and the second end of the first threaded hole 11 is located on the outer wall of drilling rod 1, the center of two the first threaded holes 11
Axis is vertical with the end face 1F15 of drilling rod 1, and a screw 4 is threaded in first threaded hole 11,3 both ends of double-threaded screw
Hand of spiral on the contrary, the both ends of double-threaded screw 3 are threadedly coupled with the second threaded hole 10 and third threaded hole 6 respectively.
Installation, the pillar 8 of drill bit 2 is inserted into the groove 5 of drilling rod 1, the positioning cylinder 9 of drilling rod 1 is inserted into drill bit 2
In locating slot 7, and positioning cylinder 9 and 7 transition fit of locating slot, after location fit, in the central axis and drill bit 2 of drilling rod 1
Heart axis coaxle, the both ends of double-threaded screw 3 are threadedly coupled with the second threaded hole 10 and third threaded hole 6 respectively, by two screws 4
It is screwed into two the first threaded holes 11 respectively, and screw 4 is made to withstand pillar 8, make the face 1P14 of groove 5 and the face of pillar 8
2P13 contact, by 3 both ends hand of spiral opposite effect of double-threaded screw, makes the end face 1F15 of drilling rod 1 and the end face of drill bit 2
2F12 is fitted closely.
A kind of working principle of the connection structure of split type drill body of the utility model is as follows:
In use, the drilling thrust of drill body is connect by the close of end face 1F15 and the end face 2F12 of drill bit 2 of drilling rod 1
Touching, is transmitted on drilling rod 1 from drill bit 2, and the drilling torque of drill body passes through the face 2P13 of 2 pillar 8 of drill bit and the face of 1 groove 5 of drilling rod
The close contact of 1P14 is transmitted on drilling rod 1 from drill bit 2, by the effect of positioning cylinder 9 and locating slot 7, is made drilling rod 1 and is bored
First 2 central axis is overlapped, and reaches the requirement of concentricity, the end face 2F12 of the end face 1F15 of drilling rod 1 and drill bit 2 respectively with drilling rod
1 and drill bit 2 central axis upright, ensure that the close contact of the end face 1F15 of drilling rod 1 and the end face 2F12 of drill bit 2, effectively
Ground realize drilling rod 1, drill bit 2 load and unload and the transmitting of axial force and torque.
The limitation that the technical solution of the utility model is not limited to the above specific embodiments, all skills according to the present utility model
The technology deformation that art scheme is made, each falls within the protection scope of the utility model.
Claims (4)
1. a kind of connection structure of split type drill body, which is characterized in that including drilling rod, drill bit, connector and for positioning drill bit
It is connected with the upper end of the locating piece of drilling rod, drilling rod by the lower end of connector and drill bit, after locating piece positioning, the central axis of drill bit
Line is overlapped with the central axis of drilling rod.
2. a kind of connection structure of split type drill body according to claim 1, which is characterized in that locating piece includes setting circle
Column and cylindrical locating slot, positioning cylinder are arranged on the end face 1F of drilling rod, and in the central axis and drilling rod of positioning cylinder
Heart axis coaxle, locating slot are arranged on the end face 2F of drill bit, and the central axis coaxial of the central axis of locating slot and drill bit,
The diameter of positioning cylinder is equal to the diameter of locating slot, and after positioning, positioning cylinder is located in locating slot, and matches with locating slot transition
It closes.
3. a kind of connection structure of split type drill body according to claim 2, which is characterized in that connector includes two sons
Connector, central axis rotational symmetry of two sub- connecting members about drilling rod.
4. a kind of connection structure of split type drill body according to claim 3, which is characterized in that each sub- connecting member packet
It includes:
Groove, groove are arranged on the end face 1F of drilling rod, and side at least one face 1P of groove is plane, the face of two grooves
1P is parallel to each other, and perpendicular to end face 1F；
Pillar, pillar are arranged on the end face 2F of drill bit, and side at least one face 2P of pillar is plane, the face of two pillars
2P is parallel to each other, and perpendicular to end face 2F, pillar is identical as the cross-sectional shape of groove, and the cross-sectional area of pillar be slightly less than it is recessed
The cross-sectional area of slot；
First threaded hole, the first threaded hole are arranged on drilling rod, and the first threaded hole is communicated with groove, and the first of the first threaded hole
End is opposite with the face 1P of groove, and the second end of the first threaded hole is located on the outer wall of drilling rod；
Screw, screw are removably mounted in the first threaded hole；
Second threaded hole, the second threaded hole is arranged on positioning cylinder, in the central axis and positioning cylinder of the second threaded hole
Heart axis coaxle；
Third threaded hole, third threaded hole are arranged on the end face 2F of drill bit, and third threaded hole is connected to locating slot, and are located at and determine
The top of position slot, the central axis of third threaded hole and the central axis coaxial of locating slot；
Double-threaded screw, after the hand of spiral at double-threaded screw both ends is on the contrary, drill bit connect with drilling rod, a pillar be mounted on one it is recessed
In slot, a screw is squeezed with the side of a pillar and is contacted, the face 1P close contact of the face 2P and groove of a pillar, double end
The both ends of screw are threadedly coupled with the second threaded hole and third threaded hole respectively, and the end face 2F of drill bit and the end face 1F of drilling rod are close
Contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921285893.3U CN209452866U (en) | 2019-08-09 | 2019-08-09 | A kind of connection structure of split type drill body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921285893.3U CN209452866U (en) | 2019-08-09 | 2019-08-09 | A kind of connection structure of split type drill body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209452866U true CN209452866U (en) | 2019-10-01 |
Family
ID=68048398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921285893.3U Active CN209452866U (en) | 2019-08-09 | 2019-08-09 | A kind of connection structure of split type drill body |
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| Country | Link |
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| CN (1) | CN209452866U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111361020A (en) * | 2020-03-25 | 2020-07-03 | 大连理工大学 | Split drilling tool connecting structure for high-speed machining |
-
2019
- 2019-08-09 CN CN201921285893.3U patent/CN209452866U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111361020A (en) * | 2020-03-25 | 2020-07-03 | 大连理工大学 | Split drilling tool connecting structure for high-speed machining |
| CN111361020B (en) * | 2020-03-25 | 2021-01-05 | 大连理工大学 | Split drilling tool connecting structure for high-speed machining |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240307 Address after: No. 55 Oucheng Middle Road, Qingquan Town, Qingbaijiang District, Chengdu City, Sichuan Province (European Industrial City) Patentee after: Chengdu Fengyi Yinhu CNC Tool Co.,Ltd. Country or region after: China Address before: No. 2 Chengjia Road, Longtan Industrial Park, Chenghua District, Chengdu City, Sichuan Province, 610051 Patentee before: CHENGDU FENGYI PRECISION TOOLS MANUFACTURE CO.,LTD. Country or region before: China |
|
| TR01 | Transfer of patent right |