CN206216277U - A kind of self-centering clamping device - Google Patents
A kind of self-centering clamping device Download PDFInfo
- Publication number
- CN206216277U CN206216277U CN201620974271.1U CN201620974271U CN206216277U CN 206216277 U CN206216277 U CN 206216277U CN 201620974271 U CN201620974271 U CN 201620974271U CN 206216277 U CN206216277 U CN 206216277U
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- China
- Prior art keywords
- centering
- arm
- workpiece
- clamping
- plate
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Abstract
The utility model is related to a kind of self-centering clamping device, including for placing the clamping seats of workpiece, clamping seats include：Fixed plate, base plate and side wall；Self-centering clamping device also includes：Pull bar, centering disk, compression plate, centering arm and clamping arm；The utility model drives centering disk and compression plate to be moved near base plate direction using the pull bar being movably arranged on base plate, centering disk in motion drives centering arm close to workpiece, centering arm is pushed to the center of fixed plate by workpiece, then centering arm withstands workpiece and no longer moves, compression plate drives clamping arm close to workpiece simultaneously, final clamping arm is compressed on workpiece top, workpiece is secured firmly to fixed plate center, the utility model can real workpiece self-centering, the characteristics of the used time has simple structure, efficient energy-saving.
Description
Technical field
The utility model is related to a kind of binding clasp, more specifically to a kind of self-centering clamping device.
Background technology
During being processed to workpiece, binding clasp is necessarily used in fixation, and binding clasp is a kind of normal in the industrial production
Clamp system, uses in many fields.During using binding clasp to Workpiece clamping, workpiece discontinuity must
So can in process rotate, have a strong impact on the precision that workpiece adds.In order that obtaining workpiece uniform force, existing clamping
Device all uses many jig arm binding clasps.Many jig arm binding clasps solve the problems, such as workpiece discontinuity well, but
In the presence of how workpiece being placed in into accurate position problems, production efficiency can be substantially reduced if manually taking and putting.
Utility model content
The technical problems to be solved in the utility model is, for the defect of prior art, there is provided a kind of self-centering folder
Tight device.
The utility model solves the technical scheme that its technical problem used：Constructing a kind of self-centering clamping device includes
For placing the clamping seats of workpiece, the clamping seats include：It is used to place the fixed plate of workpiece in plate circular plate-like shape structure；Set
Structure in the form of a circular plate and the base plate parallel with the fixed plate below the fixed plate, the base plate center is provided with one
The individual centre bore through the base plate；And cylindrical structure is arranged on the side wall of the fixed plate and the bottom edge；
Characterized in that, the self-centering clamping device also includes：The pull bar of the Kong Zhongcheng club shaped structures of the base plate is movably arranged on,
The pull bar can be moved back and forth along the central axial direction of the side wall；Structure movement in the form of a circular plate is set in the drawing
Bar is located at the centering disk of clamping seats inside one end；Structure in the form of a circular plate is fixed on the pull bar and positioned at the centering
Compression plate between disk and the base plate；At least three activities are installed in the centering disk and the fixed plate for workpiece to be pushed away
To the centering arm of the fixed plate center, the centering arm can be moved back and forth along the radial direction of the fixed plate；Extremely
Few three are fixed on the compression plate and the side wall clamping arm for being used for workpiece pressing, and the clamping arm can be along described solid
The radial direction of fixed board is moved back and forth；The distance between the adjacent centering arm of any two is equal；Any two is adjacent
The distance between the clamping arm is equal.
Preferably, the centering elongated sheet metal of arm, one end that the centering arm is arranged on the centering disk sets
There is a circular mounting hole, the centering arm is movably arranged on the centering disk by the pin being transverse in mounting hole, institute
State centering arm middle part and be provided with strip for changing the crossover port of the centering arm direction of motion, the centering arm is by being transverse in
Pin in the crossover port is movably arranged in the fixed plate.
Preferably, the clamping arm is in inverted L-shaped sheet metal, and the clamping arm is movably arranged on the compression plate,
The clamping arm is movably arranged on the compression plate by the pin being transverse in mounting hole, and the clamping arm middle part is provided with length
Bar shaped is used to change the crossover port of the clamping arm direction of motion, and the clamping arm is by being transverse in the crossover port
Pin is movably arranged on the side wall.
Preferably, the pull bar is installed and one is provided with the top of one end of the centering disk in flat platen, institute
State and one section of compressible spring is arranged with the pull bar between platen and the centering disk.
Preferably, the centering arm is provided with centering pin for withstanding workpiece away from one end of the centering disk, described fixed
Heart pin is in a certain angle with the centering arm lengths direction.
Preferably, few three U-shaped cards are installed, the clamping arm is movably arranged on described by pin on the compression plate
In U-shaped card.
Preferably, the pull bar is provided with the limited block for the spacing centering disk, and the limited block is located at the centering
Between disk and the compression plate.
Implement self-centering clamping device of the present utility model, have the advantages that：The utility model is pacified using activity
Pull bar on base plate drives centering disk and compression plate to be moved near the direction of base plate 12, and the centering disk in motion drives fixed
Central arm is close to workpiece, and centering arm is pushed to the center of fixed plate by workpiece, and arm of then feeling relieved withstands workpiece and no longer moves, together
When compression plate drive clamping arm close to workpiece, final clamping arm is compressed on workpiece top, by workpiece be secured firmly to fix
Plate center, the utility model can real workpiece self-centering, the characteristics of the used time has simple structure, efficient energy-saving.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing：
Fig. 1 is the structure chart that the utility model self-centering clamping device clamps workpiece；
Fig. 2 is the structure chart after the utility model self-centering clamping device unclamps workpiece；
Fig. 3 is the profile of the utility model fixed plate planing surface；
Fig. 4 is the profile of the utility model centering disk planing surface.
Specific embodiment
As shown in figure 1, be a kind of self-centering clamping device in the utility model, including：Clamping seats 1, pull bar 2, centering disk
3rd, centering arm 4, compression plate 5 and clamping arm 6.The utility model drives centering using the pull bar 2 being movably arranged on base plate 12
Disk 3 and compression plate 5 are moved near base plate direction, and the centering disk 3 in motion drives centering arm 4 to be close to workpiece 7, arm of feeling relieved
4 centers that workpiece 7 is pushed to fixed plate 11, arm 4 of then feeling relieved withstands workpiece 7 and no longer moves, while compression plate 5 drives
Clamping arm 6 is close to workpiece 7, and final clamping arm 6 is compressed on the top of workpiece 7, and workpiece 7 is secured firmly into the centre bit of fixed plate 11
Put, the utility model can real workpiece 7 self-centering, the characteristics of the used time has simple structure, efficient energy-saving.
As shown in figure 1, the clamping seats 1 are one having the cylinder of cavity structure, the clamping seats 1 include：Fixed plate 11,
Base plate 12 and side wall 13, for placing workpiece 7 to be processed to workpiece 7.
The fixed plate 11 is circular plate-like shape structure, for placing workpiece 7, at least three is provided with fixed plate 11 through solid
The hole of fixed board 11, and the distance between two holes of arbitrary neighborhood are equal, and centering arm 4 is installed for activity.Centering arm 4 passes through pin
Son 44 is movably arranged in the hole, and the quantity in the hole is three in the present embodiment, it is possible to understand that can also be four, five
Or it is more porous.
The base plate 12 is to be arranged on the lower section of the fixed plate 11 circular plate-like shape structure parallel with fixed plate 11, for installing pull bar
2, the center of base plate 12 is provided through the centre bore of base plate 12, and pull bar 2 is movably arranged in the centre bore.
The side wall 13 is the cylinder-like structure installed in fixed plate 11 Yu the edge of base plate 12, for installing clamping arm 6, side wall
At least three are provided with 13 with the centerline axis parallel of side wall 13 and through the locating slot 131 of side wall 13, and it is two neighboring should
The distance between locating slot 131 is equal.Clamping arm 6 is arranged in locating slot 131 by the pin 44 being transverse in crossover port 42,
The quantity of locating slot 131 is three in the present embodiment, it is possible to understand that can also be four, five or more locating slot
131。
As shown in figure 1, the pull bar 2 is the metallic rod of club shaped structure, pull bar 2 is movably arranged in the centre bore of base plate 12,
For driving centering disk 3 and compression plate 5 to be moved back and forth on the central axis of side wall 13.Pull bar 2 is installing the one end of centering disk 3
Top is provided with a platen 22 in plate-like structure, and the pull bar 2 between the platen 22 and centering disk 3 is arranged with one section and can press
The spring 23 of contracting.When pull bar 2 drives centering disk 3 to be moved towards base plate 12, centering arm 4 is close to towards workpiece 7, when centering arm
After 4 top tight workpieces 7, centering disk 3 is just no longer moved, and pull bar 2 drives compression plate 5 to continue to be moved to base plate 12, now spring 23
Compressed, the power being applied on centering disk 3 is determined by the decrement of spring 23.
Further, in order that centering disk 3 can be with 2 one pieces of follower's pull bar when pull bar 2 is moved towards fixed plate 11
Motion, sets limited block 21 to limit the motion of centering plate on pull bar 2 that can be between centering disk 3 and compression plate 5.Work as drawing
Bar 2 towards fixed plate 11 move when, centering disk 3 is also moved under the promotion of limited block 21 towards fixed plate 11.
As shown in figure 1, the centering disk 3 is the circular plate-like shape knot for being movably set in pull bar 2 positioned at the inside one end of clamping seats 1
Structure, for installing centering arm 4 and driving centering arm 4 to move, is provided with least three slots, and any phase on centering disk 3
Distance is equal between adjacent hole, and the hole is used for installing centering arm 4, and centering arm 4 is lived by the pin 44 being transverse in mounting hole 41
It is dynamic to be arranged in the hole of centering disk 3.In the present embodiment, three holes are provided with centering disk 3, it is possible to understand that, it is also possible to set
Put four, five or more porous.
As shown in figure 1, the centering arm 4 is an elongated metal piece, for promoting workpiece 7 to be moved to the center of fixed plate 11
It is dynamic, and finally withstand the side of workpiece 7.One end that centering arm 4 is movably arranged on centering disk 3 is provided with a circular mounting hole
41, centering arm 4 is movably arranged on centering disk 3 by the pin 44 being transverse in mounting hole 41, and any two is adjacent determines
The distance between central arm 4 is equal, and the middle part of arm 4 of feeling relieved is provided with the crossover port 42 of strip, the length direction of crossover port 42 with it is fixed
Arm lengths direction is in a certain angle, for when arm 4 of feeling relieved follows centering disk 3 to move, due to the length direction of crossover port 42 with it is fixed
Arm lengths direction is in a certain angle, and then causes that centering arm 4 changes the direction of motion, and centering arm 4 can be along the radial direction of fixed plate 11
Direction moves back and forth.Centering arm 4 is movably arranged in fixed plate 11 by the pin 44 being transverse in crossover port 42.In this implementation
In example, the self-centering clamping device is provided with three centering arms 4, it is possible to understand that, or set four, five or more
Many centering arms.
Further, in order that the arm 4 that must feel relieved is more accurate by the positioning of workpiece 7, centering arm 4 is away from the one of centering disk 3
End is provided with centering pin 43, and the centering pin 43 is in a certain angle with the centering length direction of arm 4.Due to centering pin 43 and workpiece 7
Contact surface is smaller, thus more preferable than centering arm 4 directly contact workpiece, 7 centering effects.
As shown in figure 1, the compression plate 5 is circular plate-like shape structure, it is fixed on the pull bar 2 between centering disk 3 and base plate 12,
For installing clamping arm 6 and driving clamping arm 6 to move.At least three U-shaped cards 51, and two adjacent U are installed on compression plate 5
The distance of shape card 51 is equal, and clamping arm 6 is movably arranged in U-shaped card 51 by pin 44.In the present embodiment, compression plate 5 sets
It is equipped with U-shaped card 51, it is possible to understand that, it is also possible to four, five or more U-shaped cards 51 are set.
As shown in figure 1, it is in inversed l-shaped sheet metal that the clamping arm 6 is one, clamping arm 6 is movably arranged on compression plate 5
In U-shaped card 51, and the distance between the adjacent clamping arm 6 of any two is equal.The clamping arm 6 is used for working as centering arm 4 by workpiece 7
It is fixed on after accurate location and is compressed on the top of workpiece 7, workpiece 7 is secured firmly in fixed plate 11.Clamping arm 6 is arranged on pressure
One end on tight disk 5 is provided with a circular mounting hole 41, and clamping arm 6 is installed by the activity of pin 44 being transverse in mounting hole 41
In U-shaped card 51 on compression plate 5, the middle part of clamping arm 6 is provided with a strip for changing the steering of the direction of motion of clamping arm 6
Hole 42, clamping arm 6 is movably arranged on side wall 13 by the pin 44 being transverse in crossover port 42.The length direction of crossover port 42
Arm lengths direction is in a certain angle with determining, when clamping arm 6 follows compression plate 5 to be moved along the central axis of side wall 13, due to turning
It is in a certain angle with the length direction of clamping arm 6 to the length direction of hole 42, and then change the direction of motion of clamping arm 6 so that pressure
Tight arm 6 can be moved back and forth along the radial direction of fixed plate 11.Clamping arm 6 is movable by the pin 44 being transverse in crossover port 42
On side wall 13.In the present embodiment, the self-centering clamping device is provided with three clamping arms 6, it is possible to understand that, also may be used
Be set four, five or more clamping arms 6.
During work, the utility model drives centering disk 3 and compression plate 5 to close using the pull bar 2 being fixed on base plate 12
The direction of base plate 12 is moved, while arm 4 of feeling relieved follows centering disk 3 and compression plate 5 to move together with clamping arm 6, but due to centering
Crossover port 42 on arm 4 and clamping arm 6 is present, thus changes the respective direction of motion, and feel relieved radial direction side of the arm 4 along fixed plate 11
To being constantly close to workpiece 7, most workpiece 7 pushes the center of fixed plate 11 to and withstands workpiece 7 no longer to move at last, while pressure
Tight arm 6 is constantly close to along the radial direction of fixed plate 11 to workpiece 7, and final clamping arm 6 is compressed on the top of workpiece 7, by workpiece 7
Be secured firmly to the center of fixed plate 11, the utility model can real workpiece 7 self-centering, the used time have simple structure,
The characteristics of efficient energy-saving.
It should be understood that above example only expresses preferred embodiment of the present utility model, its description is more specific
With it is detailed, but can not therefore and be interpreted as the limitation to the utility model the scope of the claims；It should be pointed out that for this area
Those of ordinary skill for, without departing from the concept of the premise utility, freedom can be carried out to above-mentioned technical characterstic
Combination, various modifications and improvements can be made, these belong to protection domain of the present utility model；Therefore, it is all with this practicality
The equivalents that new right is done and modification, all should belong to the covering scope of the utility model claim.
Claims (7)
1. a kind of self-centering clamping device, including for placing the clamping seats of workpiece, the clamping seats include：In plate circular plate-like shape
Structure is used to place the fixed plate of workpiece；It is arranged on fixed plate lower section structure in the form of a circular plate and parallel with the fixed plate
Base plate, the base plate center is provided with a centre bore through the base plate；And cylindrical structure is arranged on institute
State the side wall of fixed plate and the bottom edge；Characterized in that, the self-centering clamping device also includes：It is movably arranged on institute
The pull bar of the Kong Zhongcheng club shaped structures of base plate is stated, the pull bar can be moved back and forth along the central axial direction of the side wall；
Structure movement in the form of a circular plate is set in centering disk of the pull bar positioned at clamping seats inside one end；Structure in the form of a circular plate
It is fixed on the compression plate on the pull bar and between the centering disk and the base plate；At least three activities install described fixed
It is used to push to workpiece the centering arm of the fixed plate center on cartridge and the fixed plate, the centering arm can be along institute
The radial direction for stating fixed plate is moved back and forth；At least three are fixed on the compression plate and the side wall for workpiece pressing
Clamping arm, the clamping arm can be moved back and forth along the radial direction of the fixed plate；The adjacent centering arm of any two
The distance between it is equal；The distance between the adjacent clamping arm of any two is equal.
2. self-centering clamping device according to claim 1, it is characterised in that the elongated sheet metal of centering arm,
One end that the centering arm is arranged on the centering disk is provided with a circular mounting hole, and the centering arm is by being transverse in installation
Pin in hole is movably arranged on the centering disk, and the centering arm middle part is provided with strip for changing the centering arm fortune
The crossover port in dynamic direction, the centering arm is movably arranged in the fixed plate by the pin being transverse in the crossover port.
3. self-centering clamping device according to claim 2, it is characterised in that the clamping arm is in inverted L-shaped metal
Piece, the clamping arm is movably arranged on the compression plate, and the clamping arm is pacified by the pin activity being transverse in mounting hole
On the compression plate, the clamping arm middle part is provided with strip for changing the steering of the clamping arm direction of motion
Hole, the clamping arm is movably arranged on the side wall by the pin being transverse in the crossover port.
4. self-centering clamping device according to claim 1, it is characterised in that the pull bar installs the one of the centering disk
One is provided with the top of end in flat platen, one is arranged with the pull bar between the platen and the centering disk
The compressible spring of section.
5. self-centering clamping device according to claim 1 and 2, it is characterised in that the centering arm is away from the centering
One end of disk is provided with the centering pin for withstanding workpiece, and the centering pin is in a certain angle with the centering arm lengths direction.
6. the self-centering clamping device according to claim 1 or 3, it is characterised in that few three are provided with the compression plate
Individual U-shaped card, the clamping arm is movably arranged in the U-shaped card by pin.
7. the self-centering clamping device according to claim 1 or 4, it is characterised in that the pull bar is provided with for spacing institute
The limited block of centering disk is stated, the limited block is located between the centering disk and the compression plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620974271.1U CN206216277U (en) | 2016-08-29 | 2016-08-29 | A kind of self-centering clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620974271.1U CN206216277U (en) | 2016-08-29 | 2016-08-29 | A kind of self-centering clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206216277U true CN206216277U (en) | 2017-06-06 |
Family
ID=58781474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620974271.1U Expired - Fee Related CN206216277U (en) | 2016-08-29 | 2016-08-29 | A kind of self-centering clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206216277U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109130155A (en) * | 2018-08-23 | 2019-01-04 | 宁波杉越新材料有限公司 | Planar stretch device |
-
2016
- 2016-08-29 CN CN201620974271.1U patent/CN206216277U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109130155A (en) * | 2018-08-23 | 2019-01-04 | 宁波杉越新材料有限公司 | Planar stretch device |
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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 |
Granted publication date: 20170606 Termination date: 20170829 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |