CN203285871U - Connecting piece - Google Patents
Connecting piece Download PDFInfo
- Publication number
- CN203285871U CN203285871U CN2013202100109U CN201320210010U CN203285871U CN 203285871 U CN203285871 U CN 203285871U CN 2013202100109 U CN2013202100109 U CN 2013202100109U CN 201320210010 U CN201320210010 U CN 201320210010U CN 203285871 U CN203285871 U CN 203285871U
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- Prior art keywords
- component
- groove
- connecting end
- hole
- section
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Abstract
The utility model discloses a connecting piece which comprises a first component, a second component and a connecting rod. The end portion of one end of the first component is provided with a first connecting end which protrudes axially and is of a conical shape. A groove is formed in the peripheral surface of the first connecting end in the radial direction, and the groove is of a strip shape in the axial direction. The end portion of one end of the second component is provided with a second connecting end which is recessed axially and is of a conical shape. The second connecting end is used for being sleeved and matched with the axial protrusion of the first connecting end, and the conical inner wall of the second connecting end is provided with a through hole corresponding to the groove. The connecting rod is provided with a first matching segment and a second matching segment, wherein the first matching segment is an eccentric rod which is used for being matched with the groove of the first component, and the second matching segment is used for being matched and connected with the through hole of the second component. The second matching segment is rotated to drive the first matching segment to rotate eccentrically in the groove so as to realize quick connection and disassembly of the first component and the second component. The connecting piece does not have any gap in connection and is reliable in connection due to the fact that an eccentric wheel mechanism is used for tightening; the connecting piece can be dismantled as long as the eccentric wheel mechanism is rotated in a reverse mode.
Description
Technical field
The utility model belongs to field of machining, is specifically related to a kind of link, is applicable in the Changeover gear of tools in machining.
Background technique
In machining, due to the needs of technique and operative workpiece, the processing of workpiece is often needed to use multiple processing technology, such as turning, milling etc., the difference of technique just relates to the tool changing operation, namely carries out the switching of different cutters on knife bar.In handoff procedure, generally include the dismounting of last cutter and the installation of a rear cutter, often require rapidly cutter and knife bar to be fixed in installation, need cutter is taken off from knife bar rapidly in dismounting, therefore usually by fast assembling disassembling structure, realize.
Disclose a kind of for dark blind hole processing and the tool changer that detects in patent CN202180214U, it can realize switching with the cutter in detecting for the processing of dark blind hole by a fast assembling disassembling structure, this knife bar fast assembling disassembling structure adopts H7/h6 to coordinate, utilize screw in compression in side, this structure, for being widely used on the structural member such as milling handle, is used for the connection of fast demountable.But, this fast assembling disassembling structure has certain error, and, fit dimension being installed when larger, can bring mismatch error, knife bar adds oscillation phenomenon is arranged man-hour because being connected with gap in use, if matching gap is too large, the shaft hole matching precision is difficult to assurance, is rigidly connected also unreliable, and matching gap is too little, machining accuracy is difficult to guarantee, processes more difficult.
The model utility content
For above defect or the Improvement requirement of prior art, the utility model provides a kind of link, and its purpose is to coordinate this to utilize the eccentric wheel tension by Small Taper, solves thus the accurate high also technical problem of fast and easy installation and removal that is rigidly connected.
As follows for realizing the concrete technological scheme that the purpose of this utility model adopts:
A kind of link, be used for realizing quick mounting or dismounting, and it is characterized in that, it comprises:
First component, one end end have axial raised the first tapered connecting end, and this first connecting end outer circumferential face has groove diametrically, and this groove is elongated in the axial direction;
Second component, one end end have the second tapered connecting end of axial depression, and it is used for coordinating with the axial projection socket of described the first connecting end, and has the through hole corresponding with described groove on the conical inboard wall of this second connecting end;
Connecting rod, it has first and coordinates section and second to coordinate section, wherein the first cooperation section is eccentric rod, be used for the groove fit with described first component, second coordinates section to be used for being connected with the through hole of described second component, coordinate section to drive described first to coordinate section eccentric rotary in above-mentioned groove by rotating second, realize to the first connected element be connected quick connection and the dismounting of connected element.
Preferably, the other end end of described first component is used for being connected with cutter, and the other end end of described second component is used for being connected with knife bar.
Preferably, the second cooperation section of described connecting rod is cylindrical, and its outer circumferential face is used for coordinating with the through-hole wall of described second component, and the cylindrical center of this second cooperation section has hole, by the rotation of this hole realization to the second connecting end.
Preferably, described hole is inner hexagonal hole or interior anistree hole.
Preferably, the groove of described the first connecting end outer circumferential face is a plurality of, is opened in symmetrically on the outer circumferential face of the first connecting end, and described connecting rod is a plurality of one to one with described groove.
Preferably, described the first connecting end is that cone match is connected with the second connecting end, and fit angle is below 1:10.
Link of the present utility model coordinates and utilizes the eccentric wheel tension to reach accurate high rigidly connected structure by a kind of Small Taper, can realize it being high rigidity and quick-detachable connection between parts.
Link of the present utility model coordinates and reaches accurate connection by Small Taper, connection is without any gap, and utilize the eccentric mechanism tension, because Small Taper coordinates and the eccentric wheel tensioning mechanism all is in self-locking state, so connect reliable, the eccentric mechanism counterrotating, can remove self-locking, reaches the effect of dismounting.
Description of drawings
Fig. 1 (a) and (b) be the structural representation of the utility model embodiment's link;
Fig. 2 is the perspective view of the utility model embodiment's link;
Fig. 3 (a) and (b) be respectively the utility model embodiment link second coordinate section and the coordinate schematic diagram of groove in the process of installation and removal;
Fig. 4 is the structural representation of the utility model embodiment's link while as cutter, with knife bar, being connected connection.
Embodiment
, in order to make purpose of the present invention, technological scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.In addition, involved technical characteristics in each mode of execution of the present invention who the following describes just can not mutually combine as long as form each other conflict.
Link of the present utility model comprises first component 1, second component 3 and connecting rod 2.
Wherein, an end end of first component 1 has axial raised the first tapered connecting end, and this first connecting end outer circumferential face has groove diametrically, and this groove is elongated in the axial direction.
One end end of second component 3 has the second tapered connecting end of axial depression, is used for coordinating with the axial projection socket of the first connecting end, and has the through hole corresponding with the long strip groove on the conical inboard wall of this second connecting end.
Connecting rod 2 preferably is comprised of two-part, namely with first component 1, be connected the first the second cooperation section that coordinates section and with second component 3, coordinate that coordinates, two coordinate section preferably to be column, for example cylindric, and preferred two-part are hierarchic structure, and namely the diameter of two sections is different.Wherein, the first cooperation section is eccentric rod, and for the long strip groove fit with first component 1, the second cooperation section is concentric column, for the through hole of second component 3, being connected.
Link in the present embodiment can be preferred in Changeover gear of tools as quick mounting and dismounting parts.Wherein, the other end of first component 1 can mounting cutter, and the other end of second component 3 is used for being connected with knife bar, can complete quickly and easily like this dismounting of the connection part of first component 1 and second component 2, and assembling is reliably accurate.
As Fig. 1, two parts can be completed by the small angle fitting surface precision-fit of two parts, are completed connection and the dismounting of two parts by two eccentric mechanism spares 3, and this structure is particularly suitable for the connection of two hollow tubulars.
The effect of model utility.
Completed the precision-fit of two parts by the small angle fitting surface, fit angle can be below 1:10.
The second cooperation section of connecting rod 2 is cylindrical, and its outer circumferential face is used for coordinating with the through-hole wall of second component 3, and the cylindrical center of this second cooperation section has hole, by the rotation of this hole realization to the second connecting end.
Mounting hole on the eccentric wheel of connecting rod 2 and second component 3 is preferably used the H7/f6 tolerance fit, eccentric wheel can rotate in mounting hole, the tension of eccentric mechanism and dismounting are by the allen wrench rotating eccentricity wheel (see figure 3) of standard, the cylinder of (left figure) front end upwards motion in part 1 slotted hole when eccentric wheel clockwise rotates, the thrust F1 that make progress of formation to first component 1 slotted hole, realize first component 1 and second component 3 lockings; When eccentric wheel rotates counterclockwise, the motion downwards in first component 1 slotted hole of the cylinder of (right figure) front end, form the downward thrust F2 to first component 1 slotted hole, realizes the dismounting of first component 1 and second component 3.
This structure can be used in the removably connect linkage structure at position of large-scale combined cutter or frock clamping, connects the connection that is particularly suitable for two hollow tubulars.
As a kind of dark blind hole processing nut arbor erection drawing of Fig. 4 for the link in application the present embodiment, 5 are the processing handle of a knife, and 1 is locking sleeve (first component), 3 is installing sleeve (second component), and 2 are locking eccentric wheel (connecting rod), 2 of quantity, for bilateral symmetry, 4 is knife bar.Locking sleeve 1 is connected with processing handle of a knife 5 firmwares, installing sleeve 3 is fixedly connected with knife bar 4, locking sleeve 2 and installing sleeve 3 are designed to Small Taper and coordinate, complete locking and the dismounting of knife bar part and tool bit part by the eccentric eccentric structural feature of locking eccentric wheel 4 own, this structure is higher than original structure assembly precision, and coordinate reliably the mechanical vibration that occur in the decrease course of working.
Those skilled in the art will readily understand; the foregoing is only preferred embodiment of the present invention;, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (6)
1. a link, be used for realizing quick mounting or the dismounting of parts to be connected, it is characterized in that, it comprises:
First component (1), one end end have axial raised the first tapered connecting end, and this first connecting end outer circumferential face has groove diametrically, and this groove is elongated in the axial direction;
Second component (3), one end end have the second tapered connecting end of axial depression, and it is used for coordinating with the axial projection socket of described the first connecting end, and has the through hole corresponding with described groove on the conical inboard wall of this second connecting end;
Connecting rod (2), it has first and coordinates section and second to coordinate section, wherein the first cooperation section is eccentric rod, be used for the groove fit with described first component, second coordinates section to be used for being connected with the through hole of described second component, coordinate section to drive described first to coordinate section eccentric rotary in above-mentioned groove by rotating second, realize to the first connected element be connected quick connection and the dismounting of connected element.
2. link according to claim 1, is characterized in that, the other end end of described first component (1) is used for being connected with cutter, and the other end end of described second component (3) is used for being connected with knife bar.
3. link according to claim 1, it is characterized in that, it is cylindrical that second of described connecting rod (2) coordinates section, its outer circumferential face is used for coordinating with the through-hole wall of described second component (3), the cylindrical center of this second cooperation section has hole, by the rotation of this hole realization to the second connecting end.
4. link according to claim 3, is characterized in that, described hole is inner hexagonal hole or interior anistree hole.
5. the described link of any one according to claim 1-4, it is characterized in that, the groove of described the first connecting end outer circumferential face is a plurality of, is opened in symmetrically on the outer circumferential face of the first connecting end, and described connecting rod (2) is a plurality of one to one with described groove.
6. the described link of any one according to claim 1-4, is characterized in that, described the first connecting end is that cone match is connected with the second connecting end, and fit angle is below 1:10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202100109U CN203285871U (en) | 2013-04-23 | 2013-04-23 | Connecting piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202100109U CN203285871U (en) | 2013-04-23 | 2013-04-23 | Connecting piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203285871U true CN203285871U (en) | 2013-11-13 |
Family
ID=49542235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202100109U Expired - Fee Related CN203285871U (en) | 2013-04-23 | 2013-04-23 | Connecting piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203285871U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104096671A (en) * | 2014-08-01 | 2014-10-15 | 吉首大学 | Portable and adjustable eccentric vibrating device |
-
2013
- 2013-04-23 CN CN2013202100109U patent/CN203285871U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104096671A (en) * | 2014-08-01 | 2014-10-15 | 吉首大学 | Portable and adjustable eccentric vibrating device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131113 Termination date: 20150423 |
|
| EXPY | Termination of patent right or utility model |