CN207058077U - A kind of clamping device - Google Patents
A kind of clamping device Download PDFInfo
- Publication number
- CN207058077U CN207058077U CN201720730147.5U CN201720730147U CN207058077U CN 207058077 U CN207058077 U CN 207058077U CN 201720730147 U CN201720730147 U CN 201720730147U CN 207058077 U CN207058077 U CN 207058077U
- Authority
- CN
- China
- Prior art keywords
- pressing plate
- guide pillar
- clamping device
- plastic zone
- fixed seat
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of clamping device.The clamping device includes pressing plate, fixed seat, retractor device and guide pillar, fixed seat includes first surface and the second surface opposite with first surface, pressing plate is suspended at the top of first surface, pressing plate includes plastic zone, plastic zone is relative with first surface, part through-thickness to be held is placed between plastic zone and first surface, retractor device, which is squeezed, is arranged on second surface, one end of guide pillar is connected with pressing plate, and the pars contractilis of the other end and retractor device connects, retractor device is configured to make pars contractilis stretch out to the direction away from second surface, so that plastic zone is close to first surface, so as to compress part to be held.
Description
Technical field
Part processing jig technical field is the utility model is related to, more particularly, to a kind of clamping device.
Background technology
When processing the ring-type or proximate annular metalwork of watchcase class, it usually needs carry out mechanical add to the inner chamber of watchcase
Work, such as milling cutter operation.The side wall of watchcase typically carries out polishing first, to obtain the surface of light.In existing processing side
In method, typically the side wall of watchcase is clamped using clamping device.Because the area of side wall is small, and in order to avoid to light
Surface cause to damage, therefore can not firmly be clamped, so as to cause the tolerance of watchcase embedded SMA actuators larger.
Utility model content
A purpose of the present utility model is to provide a kind of new solution of clamping device.
According to first aspect of the present utility model, there is provided a kind of clamping device.The clamping device includes pressing plate, fixation
Seat, retractor device and guide pillar, the fixed seat include first surface and the second surface opposite with first surface, and the pressing plate hangs
Put includes plastic zone in the top of the first surface, the pressing plate, and the plastic zone is relative with the first surface, to be held
Part through-thickness is placed between the plastic zone and the first surface, the retractor device be squeezed be arranged on it is described
Second surface, one end of the guide pillar are connected with the pressing plate, and the other end is connected with the pars contractilis of the retractor device, institute
State retractor device to be configured to make the pars contractilis stretch out to the direction away from the second surface, so that the plastic zone is leaned on
The nearly first surface, so as to compress the part to be held.
Alternatively, the fixed seat includes being used for the through hole for penetrating the first surface and the second surface, described to lead
Post slides through the through hole and along the through hole.
Alternatively, the guide pillar is multiple that multiple guide pillars are evenly distributed in around the plastic zone, described logical
Hole corresponds with the guide pillar.
Alternatively, the pressing plate and the guide pillar are detachably connected.
Alternatively, the guide pillar includes stopper section and Access Division, and the wedging position is in the stopper section close to described
The side of drive division, the pressing plate include jack and buckling groove, and the jack connects with the buckling groove, the edge of the stopper section
The size of radial direction is more than the width of the buckling groove；The stopper section passes through the jack, and makes described in the Access Division entrance
In buckling groove, so that the buckling groove forms the backstop to the stopper section.
Alternatively, the retractor device is straight line electric cylinders or straight line cylinder.
Alternatively, the drive division includes top plate, and the top plate is driven by the retractor device, described to be stretched, contracted
Guide pillar is multiple, and the top plate includes the 3rd surface, and the 3rd surface is relative with the second surface, and the 3rd surface is hung down
Directly in clamping direction, multiple guide pillars are each perpendicular to the 3rd surface of the top plate, and are fixed on the 3rd surface.
Alternatively, in addition to contour post, the contour post is between the pressing plate and the fixed seat.
Alternatively, in addition to rotation stop part, the rotation stop part is arranged on the first surface or the plastic zone, described
Rotation stop part is configured to prevent the part to be held from rotating.
Alternatively, the pressing plate also includes vacancy section, and the plastic zone is set around the vacancy section.
Inventor of the present utility model has found, in the prior art, general that the side wall of watchcase is carried out using clamping device
Clamping.Because the area of side wall is small, and in order to avoid causing to damage to the surface of light, therefore can not firmly be clamped, from
And cause the tolerance of watchcase embedded SMA actuators larger.Therefore, the technical assignment or to be solved that the utility model to be realized
Technical problem be it is that those skilled in the art never expect or it is not expected that, therefore the utility model is a kind of new technology
Scheme.
In the utility model embodiment, retractor device is inverted and is arranged in fixed seat, and is connected by guide pillar and pressing plate
Connect.When stretching out, retractor device is with dynamic pressure plate so that pressing plate is close to fixed seat, so as to be compressed.Part to be held is along thickness side
To being placed between plastic zone and first surface.The device can realize the clamping for treating holder, and clipping operation ten
Partial volume is easy.
In addition, in clamping, contact of the device with part to be held between face and face, therefore chucking power is evenly distributed, it is right
The damage of part to be held is small so that the high yield rate of part to be held.
In addition, the clamping efficiency high of the clamping device, suitable for industrialized production.
It is of the present utility model other by referring to the drawings to the detailed description of exemplary embodiment of the present utility model
Feature and its advantage will be made apparent from.
Brief description of the drawings
It is combined in the description and the accompanying drawing of a part for constitution instruction shows embodiment of the present utility model, and
And it is used to explain principle of the present utility model together with its explanation.
Fig. 1 is the structural representation according to the clamping device of one embodiment of the present utility model.
Fig. 2 is the front view according to the clamping device of one embodiment of the present utility model.
Fig. 3 is the structural representation according to the clamping device for being not provided with pressing plate of one embodiment of the present utility model.
Fig. 4 is the structural representation according to the pressing plate of one embodiment of the present utility model.
Fig. 5 is the structural representation according to the guide pillar of one embodiment of the present utility model.
Fig. 6 is the front view according to the guide pillar of another embodiment of the present utility model.
Description of reference numerals：
10：Watchcase；11：Pressing plate；12：Jack；13：Buckling groove；14：Column cap；15：Annular groove；16：Contour post；17：It is fixed
Plate；18：First surface；19：Second surface；20：Fixed column；21：Guide pillar；22：Straight line cylinder；23：Top plate；24：3rd surface；
25：Breach；26：Projection；27：Vacancy section；28：Plastic zone；29：Base；30：Expansion link.
Embodiment
Various exemplary embodiments of the present utility model are described in detail now with reference to accompanying drawing.It should be noted that：It is unless another
Illustrate outside, the part and the positioned opposite of step, numerical expression and numerical value otherwise illustrated in these embodiments is unlimited
The scope of the utility model processed.
The description only actually at least one exemplary embodiment is illustrative to be never used as to this practicality below
New and its application or any restrictions used.
It may be not discussed in detail for technology, method and apparatus known to person of ordinary skill in the relevant, but suitable
In the case of, the technology, method and apparatus should be considered as part for specification.
In shown here and discussion all examples, any occurrence should be construed as merely exemplary, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it need not be further discussed in subsequent accompanying drawing in individual accompanying drawing.
Fig. 1 is the structural representation according to the clamping device of one embodiment of the present utility model.Fig. 2 is according to this practicality
The front view of the clamping device of new one embodiment.
According to one embodiment of the present utility model, there is provided a kind of clamping device.As shown in Figure 1-2, the clamping device
Including pressing plate 11, fixed seat, retractor device and guide pillar 21.
Fixed seat is used to place part to be held.For example, holder is the watchcase 10 of wrist-watch.Fixed seat includes first surface 18
The second surface 19 opposite with first surface 18.For example, fixed seat is platy structure.First surface 18 and second surface 19 are flat
OK.Pressing plate 11 is suspended at the top of first surface 18.Pressing plate 11 clamps together with fixed seat to watchcase 10.
Pressing plate 11 includes plastic zone 28.Plastic zone 28 is relative with first surface 18.Part through-thickness to be held is placed
Between plastic zone 28 and first surface 18.It is parallel with the thickness direction of part to be held to clamp direction.For example, plastic zone is ring
Shape, it is bonded in order to the top edge or lower edge of the side wall with watchcase.The structure of plastic zone 28 and first surface 18 is pressed with waiting
The shape of tight part matches, in order to clamp.Plastic zone 28 and the finish with setting of first surface 18, to avoid to table
Shell 10 causes to damage.
Preferably, at least one of pressing plate 11 and fixed seat made by aluminium alloy or PEEK (polyether-ether-ketone) and
Into.Because the hardness of both materials is smaller, therefore it will not treat holder in clamping and cause to damage.
In addition, both materials has enough intensity, the clamping of part to be held can be made more firm.
Preferably, as shown in figure 4, pressing plate 11 also includes vacancy section 27.Plastic zone 28 is set around vacancy section 27.Treating
After holder is clamped well, the inner chamber that user can treat holder by vacancy section 27 is processed.For example, watchcase 10
Back-off is placed on first surface 18.After clamping is good, user handles the inner chamber of watchcase 10 with milling cutter by vacancy section 27.
The shape of vacancy section 27 can be, but not limited to, circular, oval, square or irregular shape, as long as being easy to
User operates.
Retractor device, which is squeezed, is arranged on second surface 19.It is inverted the bottom court for setting and referring to retractor device when in use
On.For example, the bottom of retractor device is fixed on second surface 19 by bolt.Guide pillar 21 is stretched for transmission, motion of contracting.Guide pillar
21 one end is connected with pressing plate 11, and the pars contractilis of the other end and retractor device connects.Pars contractilis is stretched for output, contract fortune
It is dynamic.For example, retractor device is straight line cylinder 22 or straight line electric cylinders.Pars contractilis is the flexible of straight line cylinder 22 or straight line electric cylinders
Bar 30.
Retractor device is configured to make pars contractilis stretch out to the direction away from second surface 19, so that the compression of pressing plate 11
Area 28 is close to first surface 18, so as to compress part to be held.
For convenience of explanation, retractor device is straight line cylinder 22 in this embodiment.The stretching of straight line cylinder 22, contracting speed
It hurry up, operating efficiency is high.
In the utility model embodiment, retractor device is inverted and is arranged in fixed seat, and passes through guide pillar 21 and pressing plate
11 connections.When stretching out, retractor device band dynamic pressure plate 11 moves, so that pressing plate 11 is close to fixed seat, so as to be compressed.Wait to press from both sides
Gripping member through-thickness is placed between plastic zone 28 and first surface 18.The device can realize the folder for treating holder
Hold, and clipping operation is very easy.
It is contact of the face with face between the device and part to be held in addition, in clamping, therefore chucking power is evenly distributed, it is right
The damage of part to be held is small so that the high yield rate of part to be held.
In addition, the clamping efficiency high of the clamping device, suitable for industrialized production.
In one example, as illustrated in fig. 1 and 2, clamping device also includes base 29.Base 29 is by fixed column 20 and admittedly
Reservation links together, to form receiving space between base 29 and fixed seat.For example, base 29 and fixed seat are square
Shape.Fixed column 20 is four and is respectively set at four corners of base 29 and fixed seat.Fixed column 20 is connected by bolt
The mode connect is connected with base 29 and fixed seat.Straight line cylinder 22 is arranged in receiving space.The expansion link of straight line cylinder 22
30 are stretched in receiving space, are contracted.The setting of base 29 causes the transhipment of clamping device and positioning to become easy.
In one example, as shown in figs. 1 and 3, fixed seat includes being used to penetrate first surface 18 and second surface 19
Through hole.For example, guide pillar 21 is cylinder.Through hole is circular hole.The bearing of trend of through hole is parallel to clamping direction.The diameter of guide pillar 21 with
The internal diameter of through hole is identical.At work, guide pillar 21 slides through through hole and along through hole.Through hole plays a part of guiding, such energy
Enough prevent that guide pillar 21 glances off in motion process, it is uneven so as to avoid the chucking power that part to be held is subject to.
Preferably, guide pillar 21 is multiple.Multiple guide pillars 21 are evenly distributed in around plastic zone 28.Through hole and guide pillar
21 correspond.For example, as shown in figure 1, through hole is four, and four corners of fixed seat are distributed in.Compared to only setting
One guide pillar 21, this mode can be such that chucking power more uniformly acts on part to be held.
In one example, pressing plate 11 and guide pillar 21 are detachably connected.For example, when installing part to be held, first will
Pressing plate 11 disassembles from guide pillar 21.It is installed to when part to be held is placed in place, then by pressing plate 11 on guide pillar 21.When treating
After holder completion of processing, then pressing plate 11 disassembled from guide pillar 21, to remove part to be held.In this way,
The demolition, installation of part to be held become easy.
Preferably, guide pillar 21 includes stopper section and Access Division.Wedging position is in the side of the close drive division of stopper section.
As shown in figure 4, pressing plate 11 includes jack 12 and buckling groove 13.Jack 12 connects with buckling groove 13.The chi radially of stopper section
The very little width more than buckling groove 13.Radially refer to the direction vertical with the bearing of trend of guide pillar 21.For example, as shown in figure 5, leading
Annular groove 15 is provided with post 21, to form column cap 14.Column cap 14 is used as stopper section.The portion at annular groove 15 of guide pillar 21
It is allocated as Access Division.The width of Access Division is less than or equal to the width of buckling groove 13.
It is also possible that as shown in fig. 6, guide pillar 21 sidepiece open up it is fluted, to form column cap 14.Guide pillar 21 is located at
The part of groove is as Access Division.The width of Access Division is less than or equal to the width of buckling groove 13.
When mounted, stopper section is made to pass through jack 12 first；Then pressing plate 11 is rotated, so that Access Division enters buckling groove
In 13, buckling groove 13 forms backstop to stopper section.When removing, opposite direction rotates pressing plate 11 first, is inserted so that stopper section reaches
The position in hole 12, then take pressing plate 11 away along the axial direction of guide pillar 21.
In this way, connection and lock out operation of the pressing plate 11 with guide pillar 21 becomes easy.
In addition, stopper section and the clamping of buckling groove 13 are very firm, this causes the clamping of part to be held to become firm.
Preferably, the edge of pressing plate 11 has the breach 25 for being used for can be manually rotated.As shown in figure 4, pressing plate 11 is
It is circular.Breach 25 is four, and four breach 25 are evenly distributed on the edge of pressing plate 11.
When in use, finger is caught in breach 25 by user first, and then turn pressing plate 11 can carry out pressing plate 11 with leading
The connection or separation of post 21.Breach 25 increases the thrust and/or frictional force circumferentially of hand and pressing plate 11, so that pressing plate
11 demolition, installation become easy.
Certainly, those skilled in the art set the quantity of breach and open up position.
In one example, as shown in Figure 1-2, drive division includes top plate 23.Top plate 23 is driven by retractor device, to carry out
Stretch, contract.For example, top plate 23 is arranged in receiving space, and it is connected with the expansion link 30 of straight line cylinder 22.Guide pillar 21 is more
It is individual.Top plate 23 includes the 3rd surface 24.3rd surface 24 is relative with second surface 19.3rd surface 24 is perpendicular to clamping direction.
Direction is clamped i.e. when clamping part to be held, the direction that pressing plate 11 moves.Multiple guide pillars 21 are each perpendicular to the 3rd table of top plate 23
Face 24, and it is fixed on the 3rd surface 24.By the setting of top plate 23, the connection of multiple guide pillars 21 and retractor device becomes to hold
Easily.
It is parallel to each other in addition, the setting of top plate 23 more easily reachs multiple guide pillars 21, to prevent guide pillar 21 from tilting.
In addition, the setting of top plate 23 makes the assembly precision of multiple guide pillars 21 higher.
In addition, the driving force for the retractor device that each guide pillar 21 is subject to can be evenly.
In one example, clamping device also includes contour post 16.The height of contour post 16 is made a reservation for part to be held
The distance between plastic zone 28 and first surface 18 match during chucking power.Contour post 16 can be but not limited to cylinder, square
Post and arc column.Contour post 16 is between pressing plate 11 and fixed seat.By setting contour post 16, can prevent when compressing,
The thrust that pressing plate 11 and fixed seat treat holder is excessive, avoids treating holder and causes to damage.
Preferably, contour post 16 is multiple, and is evenly distributed in around part to be held.
For example, as shown in figure 3, contour post is cylinder.Contour post 16 is four.Four contour posts 16 are arranged on
On one surface 18, and it is located at the position at the middle part of the close four edges of fixed seat respectively.It is multiple etc. by this arrangement
High post 16 can effectively prevent that deflection occurs in plastic zone 28 in the compaction process of pressing plate 11.
The height and quantity that those skilled in the art can set contour post according to being actually needed.
In one example, clamping device also includes rotation stop part.Rotation stop part is arranged on first surface 18 or plastic zone
28.Rotation stop part is configured to prevent part to be held from rotating.For example, as shown in figure 3, rotation stop part is to protrude from first surface 18
Projection 26.Projection 26 is 2, and is oppositely arranged.Watchcase 10 is placed between two projections 26.Projection 26 can by with
Frictional force is formed between watchcase 10, to prevent watchcase 10 from rotating.Can also be that projection 26 is formed to the structure of the sidepiece of watchcase 10
Backstop, to prevent watchcase 10 from rotating.
Although some specific embodiments of the present utility model are described in detail by example, this area
It is to be understood by the skilled artisans that example above merely to illustrate, rather than in order to limit the scope of the utility model.This
Field it is to be understood by the skilled artisans that can not depart from the scope of the utility model and spirit in the case of, to above example
Modify.The scope of the utility model is defined by the following claims.
Claims (10)
1. a kind of clamping device, it is characterised in that including pressing plate, fixed seat, retractor device and guide pillar, the fixed seat includes the
One surface and the second surface opposite with first surface, the pressing plate are suspended at the top of the first surface, the pressing plate bag
Include plastic zone, the plastic zone is relative with the first surface, part through-thickness to be held be placed on the plastic zone with
Between the first surface, the retractor device, which is squeezed, is arranged on the second surface, one end of the guide pillar and the pressure
Plate is connected, and the other end is connected with the pars contractilis of the retractor device, and the retractor device is configured to make described stretch
Portion is stretched out to the direction away from the second surface, so that the plastic zone is close to the first surface, so as to compress described treat
Holder.
2. clamping device according to claim 1, it is characterised in that the fixed seat includes being used to penetrate first table
Face and the through hole of the second surface, the guide pillar slide through the through hole and along the through hole.
3. clamping device according to claim 2, it is characterised in that the guide pillar is multiple, and multiple guide pillars are uniform
Ground is distributed in around the plastic zone, and the through hole corresponds with the guide pillar.
4. clamping device according to claim 1, it is characterised in that the pressing plate and the guide pillar are detachably connected.
5. clamping device according to claim 4, it is characterised in that the guide pillar includes stopper section and Access Division, described
Wedging position includes jack and buckling groove, the jack and institute in the side of the close drive division of the stopper section, the pressing plate
Buckling groove connection is stated, the size radially of the stopper section is more than the width of the buckling groove；The stopper section is described in
Jack, and the Access Division is entered in the buckling groove, so that the buckling groove forms the backstop to the stopper section.
6. clamping device according to claim 1, it is characterised in that the retractor device is straight line electric cylinders or straight line
Cylinder.
7. clamping device according to claim 1, it is characterised in that drive division includes top plate, and the top plate is stretched by described
Compression apparatus drives, and to be stretched, contracted, for the guide pillar to be multiple, the top plate includes the 3rd surface, the 3rd surface with it is described
Second surface is relative, and the 3rd surface is each perpendicular to the 3rd table of the top plate perpendicular to clamping direction, multiple guide pillars
Face, and it is fixed on the 3rd surface.
8. clamping device according to claim 1, it is characterised in that also including contour post, the contour post is positioned at described
Between pressing plate and the fixed seat.
9. clamping device according to claim 1, it is characterised in that be also arranged on including rotation stop part, the rotation stop part
The first surface or the plastic zone, the rotation stop part are configured to prevent the part to be held from rotating.
10. clamping device according to claim 1, it is characterised in that the pressing plate also includes vacancy section, the plastic zone
Set around the vacancy section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720730147.5U CN207058077U (en) | 2017-06-21 | 2017-06-21 | A kind of clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720730147.5U CN207058077U (en) | 2017-06-21 | 2017-06-21 | A kind of clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207058077U true CN207058077U (en) | 2018-03-02 |
Family
ID=61509211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720730147.5U Withdrawn - After Issue CN207058077U (en) | 2017-06-21 | 2017-06-21 | A kind of clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207058077U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107186501A (en) * | 2017-06-21 | 2017-09-22 | 歌尔股份有限公司 | A kind of clamping device |
-
2017
- 2017-06-21 CN CN201720730147.5U patent/CN207058077U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107186501A (en) * | 2017-06-21 | 2017-09-22 | 歌尔股份有限公司 | A kind of clamping device |
| CN107186501B (en) * | 2017-06-21 | 2023-09-29 | 歌尔科技有限公司 | Clamping device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201015 Address after: 261031 north of Yuqing street, east of Dongming Road, high tech Zone, Weifang City, Shandong Province (Room 502, Geer electronic office building) Patentee after: GoerTek Optical Technology Co.,Ltd. Address before: 261031 Dongfang Road, Weifang high tech Development Zone, Shandong, China, No. 268 Patentee before: GOERTEK Inc. |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180302 Effective date of abandoning: 20230929 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180302 Effective date of abandoning: 20230929 |