CN207807267U - A kind of center alignment mechanism for shaft element - Google Patents
A kind of center alignment mechanism for shaft element Download PDFInfo
- Publication number
- CN207807267U CN207807267U CN201721917635.3U CN201721917635U CN207807267U CN 207807267 U CN207807267 U CN 207807267U CN 201721917635 U CN201721917635 U CN 201721917635U CN 207807267 U CN207807267 U CN 207807267U
- Authority
- CN
- China
- Prior art keywords
- shank
- screw rod
- rotation
- shaft element
- arm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of center alignment mechanisms for shaft element, it include the taper shank for being connect with lathe, the shank being set in taper shank, the sliding sleeve being connect with shank, it further include link, the link includes two bar shaped fixed plates being symmetrically set, it is connected by two rotation-limited parts between two bar shaped fixed plates, on a wherein rotation-limited part rotating bar is rotatably connected to it, the lower end of the rotating bar is connected with the workpiece holding structure with V-type clamp port, the lower section corresponding position of the workpiece holding structure is equipped with pedestal, on the pedestal T-slot is provided at position corresponding with V-type opening；Another rotating member is rotatablely connected with shank；The shank is opposite with the setting direction of rotating bar and misplaces.
Description
Technical field
The utility model is related to center alignment mechanisms, and in particular to a kind of center alignment mechanism for shaft element.
Background technology
In field of machining, when processing part using CNC milling machine, need to utilize the auxiliary tools such as edge finder, lever meter
The machining benchmark of centering part needs lever meter being clamped in centering revolution on drill bit when vertical knee-type milling machine processes rotary part
The benchmark that the center of circle of body part is processed as part.During centering, need to adjust the gauge outfit of lever meter to meet centering not
With the needs of diameter part, but since the adjustable range of lever meter gauge outfit is very limited, can only the smaller endoporus of centering diameter,
Can not centering diameter be more than gauge outfit adjustable range endoporus, while lever meter cannot change axial direction, in practical process also by
To limitation.Therefore the utility model proposes the centers of circle of a kind of machining benchmark that can realize centering part or centering revolving parts
To meet different part centering needs.
Utility model content
For the deficiency in the presence of the prior art, the purpose of this utility model is to provide one kind being used for shaft element
Center alignment mechanism, the technology for solving the existing alignment mechanism of the prior art centering demand that cannot meet different parts asks
Topic.
To achieve the above object, the utility model uses the following technical solution：It is a kind of to be used in shaft element
Heart alignment mechanism, includes taper shank for being connect with lathe, the shank being set in taper shank, the sliding sleeve being connect with shank,
Further include link, the link includes two bar shaped fixed plates being symmetrically set, two bar shaped fixed plates it
Between by two rotation-limited parts connect, wherein a rotating bar is rotatably connected to it on a rotation-limited part, under the rotating bar
End is connected with the workpiece holding structure with V-type clamp port, and the lower section corresponding position of the workpiece holding structure is equipped with pedestal, the bottom
On seat T-slot is provided at position corresponding with V-type opening；Another rotation-limited part is rotatablely connected with shank；The shank with
The setting direction of rotating bar is opposite and misplaces.
Wherein, the workpiece holding structure includes fixed frame, which is equipped with two clamping limbs being oppositely arranged, and two
Connection is rotated synchronously using driving mechanism driving between a clamping limb；
The driving mechanism includes through the screw rod of fixed mount setting, positioned at the left tooth screw rod left and right sides and engaged
Wheel and right gear, the screw rod drive left gear opposite/back of the body synchronous with right gear after being driven by the motor being arranged on fixed frame
From movement to drive gripping arm/release.
Further, the clamping limb include be arranged on fixed frame and with left gear, the right gear company of rotating coaxially respectively
Left actuating arm, the right actuating arm connect；Further include left gripping arm and the right gripping arm that rotation is fixed on fixed frame, left gripping arm and left driving
It is rotatablely connected by left connector between arm, is rotatablely connected by right connector between right gripping arm and right actuating arm；Left connector,
Right connector is respectively connected with handgrip.
Further, the fixed frame is logical groove-like structure, and screw rod runs through slot bottom, the upper end of the screw rod and rotating bar
The lower end of connection, screw rod is limited using locating part and is placed in straight slot.
Further more, the shank lower end is to have female stepped cylindrical, stepped cylindrical passes through transverse slat and another rotating member
It connects, the circular hole of setting and the stepped cylindrical clearance fit on the transverse slat, the shank and transverse slat pass through screw thread and axially limit
Position.
Finally, the left connector is identical with right connecting-piece structure, and the left connector includes the clapboard being oppositely arranged,
The groove-shaped frame to form the inclined bending structure of a slot bottom is connected between two clapboards by bottom plate, two clapboard of groove-shaped frame oral area
On be provided with multiple mounting holes, so that left actuating arm, left gripping arm and groove-shaped frame is rotatablely connected by shaft respectively.
Compared with the prior art, the utility model has the advantages that：
1. the main shaft of taper shank and lathe is connect by taper shank and shank after being socketed, then by sliding sleeve and transverse slat by shank with it is another
Rotation-limited part connects, to make shank be connect with link, work that another rotating member passes through connecting rod connect band V-type clamp port
Identical two steel ball of diameter is put into the T-slot on pedestal by part clamp structure, is moved forward and backward pedestal, is made the center of circle of two steel balls
Line tentatively realizes that thick centering, then raised bottom make two steel balls be opened with V-type in the center that workpiece holding structure V-type is open
Any one kept man of a noblewoman of mouth first contacts, and opposite another side carefully adjusts platen position in turn, makes two steel ball outer diameters and two V
Type face is symmetrical uniformly tangent, until being irradiated from V-type open at one end with platen lamp, operator four point of contact from the other end
It is the center of axial workpiece not until light leakage；It can also be determined by the intersection point of taper shank center line and V-type opening center line
The center of axial workpiece.
2. motor is fixed on fixed frame provides power directly to screw rod, screw rod rotation drives left gear, right gear to synchronize
In the same direction/rotate backward to drive left actuating arm and right actuating arm while act, left actuating arm, right actuating arm drive a left side simultaneously
Connector, the action of right connector, to drive left gripping arm, right gripping arm it is opposite simultaneously/away from movement；When clamp structure is used for centering
When center, the state of the V-shaped opening of clamping limb provides power to drive driving mechanism to drive actuating arm rotation, driving by motor
Arm drive connection part drives the rotational angle of gripping arm to realize；
After the completion of the centering of center, clamp structure can be also used for clamping/release workpiece, when needing to be processed, folder
Can also workpiece be clamped by holding the handgrip in mechanism, meet the purpose of positioning processing；The state of gripping arm/release workpiece
Drive actuating arm, actuating arm drive connection part, connector that gripping arm rotation, gripping arm is driven to drive handgrip by driving mechanism, to
Realize clamping/release；
3. fixed frame is logical groove-like structure, screw rod runs through slot bottom, and the upper end of the screw rod is connect with rotating bar, under screw rod
End is limited using locating part and is placed in straight slot, and straight slot shape fixed frame is convenient for the installation of driving mechanism, screw rod to run through slot bottom, left tooth
Wheel, right gear are placed in straight slot and are rotatablely connected by shaft and fixed frame, and finite place piece is arranged in the lower end of screw rod, prevents spiral shell
Be detached from bar rotation process, while the lower end of screw rod is placed in fixed frame, prevent processing when damage workpiece or influence centering in
The heart；
4. being provided with circular hole on the transverse slat, and it is clearance fit between stepped cylindrical and circular hole, so transverse slat and link
Plane Rotation can be carried out, it can effective compensation axis of workpiece and machine tool moving parallel degree error；
5. connector includes the clapboard being oppositely arranged, connect by bottom plate that form a slot bottom inclined between two clapboards
The inclination bending structure of the groove-shaped frame of bending structure, slot bottom so that connector is more to the power conducted when piece-holder, while by
Width in one end that clapboard is connect with gripping arm to one end close to handgrip gradually increases, therefore the connection of clapboard and handgrip
Contact surface at position increases, and the pressure of handgrip clamping face reduces, and pressure transmission is more, and handgrip is more steady in clamping workpiece
It is fixed.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of workpiece holding structure in the utility model；
Fig. 3 is the structural schematic diagram of driving mechanism in the utility model；
Structural schematic diagram when Fig. 4 is the utility model clamping workpiece state.
Specific implementation mode
The utility model is described in further detail below by specific implementation mode：
Reference numeral in Figure of description includes：Taper shank 1, shank 2, sliding sleeve 3, link 4, fixed plate 5, another limit
Rotating member 6, wherein a rotation-limited part 7, rotating bar 8, clamp structure 9, pedestal 10, V-type opening 11, T-slot 12, motor 91,
Fixed frame 92, shaft 93, gripping arm 94, connector 95, handgrip 96, actuating arm 97, screw rod 81, left gear 83, right gear 82, limit
Part 84.
Embodiment
With reference to shown in 1~Fig. 4 of figure：A kind of center alignment mechanism for shaft element, including be used to connect with lathe
Taper shank 1, the shank 2 being set in taper shank 1, the sliding sleeve 3 that is connect with shank 2, further include link 4, the link 4 wraps
Two bar shaped fixed plates 5 being symmetrically set are included, are connected by two rotation-limited parts between two bar shaped fixed plates 5, wherein a limit
It is rotatably connected to a rotating bar 8 with it on the rotating member 7 of position, the lower end of the rotating bar 8 is connected with the piece-holder with V-type clamp port
Structure 9, the lower section corresponding position of the workpiece holding structure 9 are equipped with pedestal 10, corresponding with V types opening 11 on the pedestal 10
Position at be provided with T-slot 12；Another rotation-limited part 6 is rotatablely connected with shank 2；The setting of the shank 2 and rotating bar 8
Direction is opposite and misplaces.Taper shank 1 is connect by taper shank 1 after being socketed with shank 2 with the main shaft of lathe, then will by sliding sleeve 3 and transverse slat
Shank 2 is connect with another rotation-limited part 6, and to make shank 2 be connect with link 4, another rotating member is connected by connecting rod
Identical two steel ball of diameter is put into the T-slot 12 on pedestal 10 by the workpiece holding structure 9 with V-type clamp port, is moved forward and backward
Pedestal 10 makes the circle center line connecting of two steel balls in the center of workpiece holding structure 9VV types opening 11, tentatively realizes thick centering,
Raised bottom 10 makes two steel balls and any one kept man of a noblewoman of V-type opening 11 first contact again, and opposite another side carefully adjusts lathe in turn
Operating position keeps two steel ball outer diameters symmetrical uniformly tangent with two V-type faces, until using platen lamp from V-type opening 11 1
End irradiation, operator four point of contacts from the other end are the center of axial workpiece not until light leakage.The utility model exists
The machining benchmark that operator's centering part is greatly facilitated during processing meets the centering demand of part, the centering machine
Structure effectively improves the precision of existing machine tooling part, has great economic benefit, simple in structure, easy to use, range is wide
It is general, efficient.
Wherein, the workpiece holding structure 9 includes fixed frame 92, which is equipped with two clampings being oppositely arranged
Arm rotates synchronously connection between two clamping limbs using driving mechanism driving；The driving mechanism includes being set through fixed frame 92
The screw rod 81 set, positioned at the left gear and right gear 82 screw rod 81 left and right sides and engaged, the screw rod 81 is by being arranged
Drive left gear is synchronous with right gear 82 in opposite directions after motor 91 on fixed frame 92 drives/deviate from movement to drive clamping limb to press from both sides
It holds/unclamps.The clamping limb includes being arranged on fixed frame 92 and rotating coaxially the left side connecting respectively with left gear, right gear 82
Actuating arm 97, right actuating arm 97；Further include left gripping arm 94 and the right gripping arm 94 that rotation is fixed on fixed frame 92,94 He of left gripping arm
It is rotatablely connected by left connector 95 between left actuating arm 97, passes through right connector 95 between right gripping arm 94 and right actuating arm 97
Rotation connection；Left connector 95, right connector 95 are respectively connected with handgrip 96.
Motor 91 is fixed on fixed frame 92 provides power directly to screw rod 81, and the rotation of screw rod 81 drives left gear, right tooth
Wheel 82 synchronize in the same direction/rotate backward to drive left actuating arm 97 and right actuating arm 97 while act, left actuating arm 97, right driving
Arm 97 drives left connector 95, right connector 95 to act simultaneously, to drive left gripping arm 94, right gripping arm 94 it is opposite simultaneously/deviate from
Movement；When clamp structure 9 is used for centering center, the state of the V-shaped opening of clamping limb provides power to drive by motor 91
Driving mechanism drives actuating arm 97 to rotate, and 97 drive connection part 95 of actuating arm drives the rotational angle of gripping arm 94 to realize；
After the completion of the centering of center, clamp structure 9 can be also used for clamping/release workpiece, when needing to be processed, folder
The handgrip 96 held in mechanism can also be clamped workpiece, meet the purpose of positioning processing；The shape of gripping arm/release workpiece
State drives actuating arm 97,97 drive connection part 95 of actuating arm, connector 95 that gripping arm 94 is driven to rotate by driving mechanism, gripping arm 94
Handgrip 96 is driven, to realize clamping/release.The side of 96 clamping workpiece of the handgrip is equipped with rubber pad, prevents from crushing work
Part, rubber pad can be set to the arcuate structure of indent, prevent workpiece when clamping from sliding.
Further more, the fixed frame 92 is logical groove-like structure, screw rod 81 runs through slot bottom, the upper end of the screw rod 81 and rotating bar
The lower end of 8 connections, screw rod 81 is limited using locating part 84 and is placed in straight slot.Fixed frame 92 is logical groove-like structure, and screw rod 81 passes through
The upper end at wears groove bottom, the screw rod 81 is connect with rotating bar 8, and the lower end of screw rod 81 is limited using locating part 84 and is placed in straight slot
Interior, straight slot shape fixed frame 92 is convenient for the installation of driving mechanism, screw rod 81 to run through slot bottom, and left gear, right gear 82 are placed in straight slot
Interior and be rotatablely connected by shaft 93 and fixed frame 92, finite place piece 84 is arranged in the lower end of screw rod 81, prevents screw rod 81 from rotating
It is detached from journey, while the lower end of screw rod 81 is placed in fixed frame 92, prevents damage in processing workpiece or influence centering center.Make
For preferred embodiment, it can also be equipped with limiting plate (not depending on going out in figure) on the fixed frame 92, moved up and down for limiting screw rod 81
Position, limiting plate is simple in structure to be easily achieved.
Further more, 2 lower end of the shank is to have female stepped cylindrical, stepped cylindrical passes through transverse slat and another rotating member
It connects, the circular hole of setting and the stepped cylindrical clearance fit on the transverse slat, the shank 2 and transverse slat pass through screw thread and axially limit
Position.It is provided with circular hole on the transverse slat, and is clearance fit between stepped cylindrical and circular hole, so transverse slat and link 4 can be into
Row Plane Rotation, can effective compensation axis of workpiece and machine tool moving parallel degree error.
The left connector 95 is identical with 95 structure of right connector, and the left connector 95 includes the wedge shape being oppositely arranged
Plate connects the groove-shaped frame to form the inclined bending structure of a slot bottom by bottom plate between two clapboards, two wedge of groove-shaped frame oral area
It is provided with multiple mounting holes on shape plate, so that left actuating arm 97, left gripping arm 94 and groove-shaped frame is rotatablely connected by shaft 93 respectively.Connection
Part 95 includes the clapboard being oppositely arranged, and the slot to form the inclined bending structure of a slot bottom is connected by bottom plate between two clapboards
The inclination bending structure of shape frame, slot bottom so that connector 95 is more to the power conducted when piece-holder, simultaneously because clapboard with
One end that gripping arm 94 connects gradually increases to the width close to one end of handgrip 96, therefore the link position of clapboard and handgrip 96
The contact surface at place increases, and the pressure of 96 clamping face of handgrip reduces, and pressure transmission is more, and handgrip 96 is more steady in clamping workpiece
It is fixed.
Torsional spring can also be equipped in the utility model in the shaft 93 for fixing left gear, right gear 82, is protected by torsional spring
Demonstrate,prove the lasting chucking power of handgrip 96.It is set there are two torsional spring in each shaft 93, is located at the both sides of gear, the end of torsional spring is solid
It is scheduled on fixed frame 92.
Finally illustrate, above example is merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, it will be understood by those of ordinary skill in the art that, it can be to this
The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model
It encloses, should all cover in the right of the utility model.
Claims (6)
1. a kind of center alignment mechanism for shaft element, it is characterised in that：Include taper shank, the set for being connect with lathe
The shank being located in taper shank, the sliding sleeve being connect with shank,
Further include link, the link includes two bar shaped fixed plates being symmetrically set, and is led between two bar shaped fixed plates
The connection of two rotation-limited parts is crossed, wherein being rotatably connected to a rotating bar with it on a rotation-limited part, the lower end of the rotating bar connects
It is connected to the workpiece holding structure with V-type clamp port, the lower section corresponding position of the workpiece holding structure is equipped with pedestal, on the pedestal
It is provided with T-slot at position corresponding with V-type opening；Another rotation-limited part is rotatablely connected with shank；The shank and rotation
The setting direction of bar is opposite and misplaces.
2. a kind of center alignment mechanism for shaft element according to claim 1, it is characterised in that：The workpiece
Clamp structure includes fixed frame, which is equipped with two clamping limbs being oppositely arranged, and driving is used between two clamping limbs
Mechanism driving rotates synchronously connection；
The driving mechanism include through the screw rod of fixed mount setting, at left and right sides of the screw rod and the left gear that engages and
Right gear, drive left gear is synchronous with right gear in opposite directions after the screw rod is driven by the motor being arranged on fixed frame/deviate from fortune
It moves to drive gripping arm/release.
3. a kind of center alignment mechanism for shaft element according to claim 2, it is characterised in that：The clamping
Arm includes being arranged on fixed frame and rotating coaxially the left actuating arm connecting, right actuating arm respectively with left gear, right gear；Also wrap
Left gripping arm and right gripping arm that rotation is fixed on fixed frame are included, is rotated and is connected by left connector between left gripping arm and left actuating arm
It connects, is rotatablely connected by right connector between right gripping arm and right actuating arm；Left connector, right connector are respectively connected with handgrip.
4. a kind of center alignment mechanism for shaft element according to claim 3, it is characterised in that：The fixation
Frame is logical groove-like structure, and screw rod runs through slot bottom, and the upper end of the screw rod is connect with rotating bar, and the lower end of screw rod is limited using locating part
Position and be placed in straight slot.
5. a kind of center alignment mechanism for shaft element according to claim 1, it is characterised in that：The shank
Lower end is to have female stepped cylindrical, and stepped cylindrical connect by transverse slat with another rotating member, be arranged on the transverse slat with
The circular hole of the stepped cylindrical clearance fit, the shank and transverse slat pass through screw thread axial limiting.
6. a kind of center alignment mechanism for shaft element according to claim 3, it is characterised in that：The left company
Fitting is identical with right connecting-piece structure, and the left connector includes the clapboard being oppositely arranged, and passes through bottom plate between two clapboards
Connection forms the groove-shaped frame of the inclined bending structure of a slot bottom, and multiple mounting holes are provided on two clapboard of groove-shaped frame oral area, point
Left actuating arm, left gripping arm and groove-shaped frame is not set to be rotatablely connected by shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721917635.3U CN207807267U (en) | 2017-12-29 | 2017-12-29 | A kind of center alignment mechanism for shaft element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721917635.3U CN207807267U (en) | 2017-12-29 | 2017-12-29 | A kind of center alignment mechanism for shaft element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207807267U true CN207807267U (en) | 2018-09-04 |
Family
ID=63327626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721917635.3U Expired - Fee Related CN207807267U (en) | 2017-12-29 | 2017-12-29 | A kind of center alignment mechanism for shaft element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207807267U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107900784A (en) * | 2017-12-29 | 2018-04-13 | 重庆朗奥机械有限公司 | One kind is used for shaft element center alignment mechanism |
-
2017
- 2017-12-29 CN CN201721917635.3U patent/CN207807267U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107900784A (en) * | 2017-12-29 | 2018-04-13 | 重庆朗奥机械有限公司 | One kind is used for shaft element center alignment mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180904 Termination date: 20191229 |