CN208826096U - A kind of self-positioning clamping device of workpiece - Google Patents
A kind of self-positioning clamping device of workpiece Download PDFInfo
- Publication number
- CN208826096U CN208826096U CN201821634411.6U CN201821634411U CN208826096U CN 208826096 U CN208826096 U CN 208826096U CN 201821634411 U CN201821634411 U CN 201821634411U CN 208826096 U CN208826096 U CN 208826096U
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- positioning
- seat
- column
- workpiece
- self
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Abstract
The utility model relates to a kind of self-positioning clamping device of workpiece, the self-positioning mechanism including positioning seat, above positioning seat and the hold-down mechanism for workpiece pressing；Self-positioning mechanism includes positioning disk, the upper positioning column for being mounted on positioning disk upper surface and the lower positioning column for being mounted on positioning disk lower surface that can be vertically movable, upper positioning column and lower positioning column are even number and at least 4, and upper positioning column and lower positioning column correspond up and down；The two of them of positioning disk it is opposite while for positioning, two positioning sides are parallel to each other, and upper positioning column and lower positioning column are respectively along two positioning sides and arranged symmetrically；The lower end of lower positioning column is conical surface seat, and conical surface seating portion protrudes from positioning side, and the lower end of upper positioning column is the half-cone seat being able to rotate, and the rotation of half-cone seat can make conical surface portion part protrude from positioning side；Positioning disk and positioning seat are coaxial, the fixed spring between positioning disk and positioning seat.The utility model can be realized the voluntarily positioning of workpiece, improve clamping efficiency.
Description
Technical field
The utility model relates to be machined manufacturing technology field, specifically a kind of self-positioning clamping device of workpiece.
Background technique
In machining, it is typically necessary workpiece positioning, the clamping oriented on the table, but for some castings
Part, forging etc., clamping or the workpiece that must be positioned by black skin for the first time, it is inaccurate often to there is positioning datum, exists
The problems such as position error is big；Common practice is the positioning mechanism of the adjustable positioning of design or linkage, so every all carries out
The problems such as adjusting and fix, being easy to appear deviation in adjustment process, when especially being produced in batches, clamping is time-consuming and laborious, influences
Production efficiency.
Utility model content
The utility model proposes a kind of self-positioning clamping devices of workpiece.
The technical solution of the utility model is achieved in that a kind of self-positioning clamping device of workpiece, including positioning seat, position
Self-positioning mechanism above positioning seat and the hold-down mechanism for workpiece pressing；The self-positioning mechanism includes vertically moving
Dynamic positioning disk, the upper positioning column for being mounted on positioning disk upper surface and the lower positioning column for being mounted on positioning disk lower surface, it is described
Upper positioning column and lower positioning column are even number and at least 4, and the upper positioning column and lower positioning column correspond up and down；It is fixed
The two of them of position disk it is opposite while for positioning, two positioning sides are parallel to each other, and the upper positioning column and lower positioning column are distinguished
Along two positioning sides and it is symmetrical arranged；The lower end of lower positioning column is conical surface seat, and conical surface seating portion protrudes from positioning side, upper positioning column
Lower end be the half-cone seat being able to rotate, the rotation of half-cone seat can make conical surface portion part protrude from positioning side；On the positioning seat
Seam allowance is set, and the positioning disk and positioning seat are coaxial, the fixed spring between positioning disk and positioning seat.
The upper positioning column and lower positioning column are 4 as a preferred technical solution,.
Setting and lower positioning column vertical pilot hole correspondingly on positioning seat as a preferred technical solution, it is described
Lower positioning column lower end is protruded into pilot hole.When positioning disk moves down, the work of auxiliary guiding is played in the cooperation of lower positioning column and pilot hole
With increasing the rigidity of fixture.
The upper positioning column includes the fixed link fixed with positioning disk, the half-cone seat as a preferred technical solution,
It is set in fixed link and is able to rotate, be threadedly coupled puller bolt in the fixed link above half-cone seat.Tighten puller bolt reality
The fixation of existing half-cone seat, unscrews puller bolt, half-cone seat is enable to rotate, thus make half-cone seat protrude or it is non-bulging in
Position side.
The connection guiding mechanism between positioning seat and positioning disk as a preferred technical solution, the guiding mechanism include
Fixed guiding axis and the guide sleeve fixed with positioning disk with positioning seat, the guide sleeve are set in outside guiding axis and can edges
Guiding axis slides up and down.It can guarantee the vertically movable stability of positioning seat.
Guiding mechanism is two and is symmetrically set centered on the axle center of positioning seat and positioning disk as a preferred technical solution,
It sets.Play the role of guiding by guiding mechanism, guarantees the stability that positioning disk moves up and down.
The spring is located at the axle center of positioning seat and positioning disk as a preferred technical solution, by spring to positioning
Fold the effect of support rebound.
The hold-down mechanism includes moving up and down with the screw rod of workbench fixation, along screw rod as a preferred technical solution,
Strip pressure plate, be threadedly coupled locking nut on the screw rod above pressure plate.Compression is realized by tightening locking nut
Compression of the plate to workpiece.
Long strip through hole along its long axis direction is set on the pressure plate as a preferred technical solution, and the screw rod is worn
It crosses long strip through hole and can be moved along long strip through hole long axis direction.It is convenient that workpiece and releasing are limited.
The hold-down mechanism is two and is oppositely arranged on the two sides of positioning seat as a preferred technical solution,.
By adopting the above-described technical solution, the utility model have it is following prominent the utility model has the advantages that
The utility model Set and Positioning is easy, practical, reliable, can eliminate blank surface of workpiece position error, guarantees batch
The positioning accuracy of production；The voluntarily positioning that can be realized workpiece does not need frequently to adjust positioning position, to realize batch production
Accurate quick-clamping workpiece, improves clamping efficiency, reduces labor intensity；Difference may be implemented in upper positioning column and lower positioning column
Workpiece is total to platform production, and use scope is wide.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic perspective view of the utility model.
Fig. 2 is the overlooking structure diagram of the utility model.
Fig. 3 is the A-A of Fig. 2 to schematic cross-sectional view.
Fig. 4 is that Fig. 2 installs the B-B direction schematic cross-sectional view after workpiece I.
Fig. 5 is that Fig. 2 installs the B-B direction schematic cross-sectional view after workpiece II.
In figure: 1- positioning seat；2- positioning disk；3- positions side；4- conical surface seat；5- half-cone seat；6- pilot hole；7- holds out against spiral shell
Bolt；8- seam allowance；9- spring；10- guiding axis；11- guide sleeve；12- pressure plate；13- long strip through hole；14- support rod；15- screw rod.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1, 2, the utility model includes positioning seat 1, the self-positioning mechanism above positioning seat 1 and is used for
The hold-down mechanism of workpiece pressing.
The self-positioning mechanism include can vertically movable positioning disk 2, be mounted on the upper positioning column of 2 upper surface of positioning disk with
And it is mounted on the lower positioning column of 2 lower surface of positioning disk, the upper positioning column and lower positioning column are even number and at least 4,
The upper positioning column and lower positioning column correspond up and down.In the present embodiment, the upper positioning column and lower positioning column are 4
It is a.
The two of them of positioning disk 2 it is opposite while for positioning while 3, two positioning sides 3 are parallel to each other, the upper positioning column with
Lower positioning column along two positioning sides 3 and is symmetrical arranged respectively.
The lower end of lower positioning column is conical surface seat 4, and 4 part of conical surface seat protrudes from positioning side 3, and the lower end of upper positioning column is that can turn
Dynamic half-cone seat 5, the rotation of half-cone seat 5 can make conical surface portion part protrude from positioning side 3.
Setting and lower positioning column vertical pilot hole 6 correspondingly on positioning seat 1, the lower positioning column lower end, which is protruded into, leads
Into hole 6, when positioning disk 2 moves down, auxiliary guiding is played the role of in the cooperation of lower positioning column and pilot hole 6, increases the rigid of fixture
Property.
The upper positioning column includes the fixed link fixed with positioning disk 2, and the half-cone seat 5 is set in fixed link and energy
It rotates, is threadedly coupled puller bolt 7 in the fixed link of 5 top of half-cone seat.It tightens puller bolt 7 and realizes consolidating for half-cone seat 5
It is fixed, puller bolt 7 is unscrewed, half-cone seat 5 is enable to rotate, so that half-cone seat 5 be made to protrude or non-bulging in positioning side 3.
Seam allowance 8 is set on the positioning seat 1, the positioning disk 2 and positioning seat 1 are coaxial, positioning disk 2 and positioning seat 1 it
Between fixed spring 9.In order to guarantee the vertically movable stability of positioning seat 1, Guiding machine is connected between positioning seat 1 and positioning disk 2
Structure, the guiding mechanism includes the guiding axis 10 and the guide sleeve 11 fixed with positioning disk 2 with the fixation of positioning seat 1, described to lead
10 outside of guiding axis is set in set 11 and can be slided up and down along guiding axis 10, and guiding mechanism is two and with positioning seat 1 and determines
It is symmetrical arranged centered on the axle center of position disk 2, guiding is played the role of by guiding mechanism, it is steady to guarantee that positioning disk 2 moves up and down
It is qualitative.The guide sleeve 11 is oil-free bushing.The spring 9 is located at the axle center of positioning seat 1 and positioning disk 2, right by spring 9
Positioning disk 2 plays the role of support rebound.
The strip pressure plate that the hold-down mechanism includes the screw rod 15 fixed with workbench, moves up and down along screw rod 15
12, locking nut is threadedly coupled on the screw rod 15 above pressure plate 12.Realize pressure plate 12 to work by tightening locking nut
The compression of part.Long strip through hole 13 along its long axis direction is set on the pressure plate 12, and the screw rod 15 passes through long strip through hole 13
And can be moved along 13 long axis direction of long strip through hole, it is convenient that workpiece and releasing are limited.In order to guarantee pressure plate 12 to workpiece
The stability of compression, the fixed support rod 14 in described 12 one end of pressure plate, when carrying out compression work, one end of pressure plate 12 passes through branch
Strut 14 supports on the table, and the other end is pressed on workpiece, ensure that the stability of compression.The hold-down mechanism is two and phase
To the two sides that positioning seat 1 is arranged in.
As shown in figure 4, positioning seat 1 is fixed on the table, and the seam allowance 8 of positioning seat 1 realizes workpiece spindle when specifically used
Workpiece alignment positioning disk 2 is put into tooling by the positioning in line direction, and under workpiece self weight and platen pressure, positioning disk 2 is whole sliding
It moves to suitable position, the workpiece I low for positioning edge positions, the reaction force of the conical surface seat 4 of positioning column positions workpiece I on the lower
Rotation, the positioning sideline of workpiece is black skin, when workpiece positioning sideline Width x Height is there are when error, positioning disk 2, upper positioning
Column and lower positioning column can slide into suitable position, until leaning on the positioning sideline of clamping of workpieces, realize adaptive contact positioning, guarantee work
Part direction and location accuracy.As shown in figure 5, the workpiece II high for positioning edge positions passes through to adapt to different workpieces model
Upper positioning column is positioned, and the conical surface portion of upper positioning column half-cone seat 5 is gone to outside, and positioning column positioning can be realized.
For the workpiece of following positioning column positioning, by workpiece coarse alignment positioning disk 2, it is put into tooling, the positioning side of tooling
Line is contacted with the conical surface seat 4 of lower positioning column, and positioning disk 2, upper positioning column and lower positioning column are integrally pressed down certain distance, if being located at
The positioning sideline joint of two lower positioning columns on the same positioning side 3 of positioning disk 2 only one lower positioning column and workpiece, spring 9
Elastic force act on positioning disk 2, upper positioning column and lower positioning column, so that it is generated the trend that moves upwards, in contact site
It will form the thrust of a horizontal direction on conical surface seat 4, push workpiece rotation (while moving workpiece assists its rotation manually), directly
It is all contacted to two lower positioning columns for being located at the same positioning side 3 of positioning disk 2 with the positioning sideline of workpiece, workpiece no longer rotates, complete
At positioning, 12 workpiece pressing of pressure plate is finally used.When the positioning sideline of workpiece is there are when small not parallel error, wherein being located at
In two lower positioning columns on the same positioning side 3 of positioning disk 2, understand only one lower positioning column and contacted with sideline is positioned, under another
There are gaps for positioning column and positioning sideline, fixed caused by this gap when positioning the parallelism error in sideline in the reasonable scope
Position error can satisfy positioning requirements, to realize the self-positioning of workpiece.
The utility model Set and Positioning is easy, practical, reliable, can eliminate blank surface of workpiece position error, guarantees batch
The positioning accuracy of production；The voluntarily positioning that can be realized workpiece does not need frequently to adjust positioning position, to realize batch production
Accurate quick-clamping workpiece, improves clamping efficiency, reduces labor intensity；Difference may be implemented in upper positioning column and lower positioning column
Workpiece is total to platform production, and use scope is wide.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (10)
1. a kind of self-positioning clamping device of workpiece, it is characterised in that: including positioning seat (1), be located at making by oneself above positioning seat (1)
Position mechanism and the hold-down mechanism for workpiece pressing；The self-positioning mechanism includes the vertically movable positioning disk (2) of energy, installation
Positioning disk (2) upper surface upper positioning column and be mounted on the lower positioning column of positioning disk (2) lower surface, the upper positioning column and
Lower positioning column is even number and at least 4, and the upper positioning column and lower positioning column correspond up and down；Positioning disk (2)
Two of them it is opposite while for positioning (3), two positioning sides (3) are parallel to each other, and the upper positioning column and lower positioning column are distinguished
Along two positioning sides (3) and it is symmetrical arranged；The lower end of lower positioning column is conical surface seat (4), and conical surface seat (4) partially protrudes from positioning side
(3), the lower end of upper positioning column is the half-cone seat (5) being able to rotate, and it is fixed that half-cone seat (5) rotation can be such that conical surface portion part protrudes from
Position side (3)；Seam allowance (8) are set on the positioning seat (1), the positioning disk (2) and positioning seat (1) coaxially, in positioning disk (2) and
Fixed spring (9) between positioning seat (1).
2. the self-positioning clamping device of a kind of workpiece described in accordance with the claim 1, it is characterised in that: the upper positioning column and lower fixed
Position column is 4.
3. the self-positioning clamping device of a kind of workpiece according to claim 1 or 2, it is characterised in that: set on positioning seat (1)
It sets and is protruded into pilot hole (6) with lower positioning column vertical pilot hole (6) correspondingly, the lower positioning column lower end.
4. the self-positioning clamping device of a kind of workpiece described in accordance with the claim 1, it is characterised in that: the upper positioning column include with
The fixed fixed link of positioning disk (2), the half-cone seat (5) is set in fixed link and is able to rotate, above half-cone seat (5)
Puller bolt (7) are threadedly coupled in fixed link.
5. the self-positioning clamping device of a kind of workpiece described in accordance with the claim 1, it is characterised in that: in positioning seat (1) and positioning
Connection guiding mechanism between disk (2), the guiding mechanism include the guiding axis (10) and and positioning disk fixed with positioning seat (1)
(2) fixed guide sleeve (11), the guide sleeve (11) are set in guiding axis (10) outside and can glide on guiding axis (10)
It is dynamic.
6. the self-positioning clamping device of a kind of workpiece according to claim 5, it is characterised in that: guiding mechanism be two and with
It is symmetrical arranged centered on the axle center of positioning seat (1) and positioning disk (2).
7. the self-positioning clamping device of a kind of workpiece described in accordance with the claim 1, it is characterised in that: the spring (9) is located at fixed
At the axle center of position seat (1) and positioning disk (2).
8. the self-positioning clamping device of a kind of workpiece described in accordance with the claim 1, it is characterised in that: the hold-down mechanism include with
The screw rod (15) of workbench fixation, the strip pressure plate (12) moved up and down along screw rod (15), above pressure plate (12)
Screw rod is threadedly coupled locking nut on (15).
9. the self-positioning clamping device of a kind of workpiece according to claim 8, it is characterised in that: set on the pressure plate (12)
The long strip through hole (13) along its long axis direction is set, the screw rod (15) passes through long strip through hole (13) and can be long along long strip through hole (13)
Axis direction is mobile.
10. the self-positioning clamping device of a kind of workpiece according to claim 8, it is characterised in that: the hold-down mechanism is two
Two sides that are a and being oppositely arranged on positioning seat (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821634411.6U CN208826096U (en) | 2018-10-09 | 2018-10-09 | A kind of self-positioning clamping device of workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821634411.6U CN208826096U (en) | 2018-10-09 | 2018-10-09 | A kind of self-positioning clamping device of workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208826096U true CN208826096U (en) | 2019-05-07 |
Family
ID=66318005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821634411.6U Expired - Fee Related CN208826096U (en) | 2018-10-09 | 2018-10-09 | A kind of self-positioning clamping device of workpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208826096U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109128911A (en) * | 2018-10-09 | 2019-01-04 | 莱芜环球汽车零部件有限公司 | A kind of self-positioning clamping device of workpiece |
| CN111421359A (en) * | 2020-05-26 | 2020-07-17 | 江苏力源金河铸造有限公司 | Self-positioning clamp |
-
2018
- 2018-10-09 CN CN201821634411.6U patent/CN208826096U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109128911A (en) * | 2018-10-09 | 2019-01-04 | 莱芜环球汽车零部件有限公司 | A kind of self-positioning clamping device of workpiece |
| CN111421359A (en) * | 2020-05-26 | 2020-07-17 | 江苏力源金河铸造有限公司 | Self-positioning clamp |
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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: 20190507 Termination date: 20211009 |
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| CF01 | Termination of patent right due to non-payment of annual fee |