CN205057604U - Flexible localization clamping device's piston - Google Patents
Flexible localization clamping device's piston Download PDFInfo
- Publication number
- CN205057604U CN205057604U CN201520777532.6U CN201520777532U CN205057604U CN 205057604 U CN205057604 U CN 205057604U CN 201520777532 U CN201520777532 U CN 201520777532U CN 205057604 U CN205057604 U CN 205057604U
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- CN
- China
- Prior art keywords
- piston
- steel ball
- clamping device
- sleeve
- groove
- 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
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Abstract
The utility model provides a flexible localization clamping device's piston, this piston is provided with the centre bore, centre bore from the top divide into four sections, is opening section, inclined plane changeover portion, steel ball respectively and returns and move back groove and vertical straightway, the centre bore diameter from the top of inclined plane changeover portion is the grow gradually, the outside upper segment of piston is provided with first spring resettlement groove. The beneficial effects of the utility model are that: piston cover toward the sleeve of casing on is fashionable, with the opening section aim at the sleeve embolia can, aiming at the in -process, even the piston collides with with the sleeve to some extent, lead to the fact the damage to the opening section, can not damage the inner wall of inclined plane changeover portion, guaranteed that the power of inclined plane changeover portion oppression steel ball is stable even, also guaranteed the stability of steel ball to connecting piece clamping -force.
Description
Technical field
The utility model belongs to the flexible fast positioning clamping device technique field between lathe and workpiece, is specifically related to a kind of piston of flexible positioning clamping device.
Background technology
Number of patent application is 201420704079.1, and the day for announcing is 2015.04.29, discloses a kind of patent " mistake proofing flexible quick position powerful clamping device ", comprise foundation base, with the supporting quick change supporting plate that is connected of foundation base and error prevention device; Foundation base comprises soleplate, housing and clamp system; Housing is fixed on soleplate, and the inwall of housing and soleplate form cavity, and inside cavity is provided with clamp system; Clamp system comprises piston, compression spring set and steel ball sleeve, and steel ball sleeve is fixed on soleplate by trip bolt, and piston bush is between steel ball sleeve and housing.The face of cylinder radial direction of steel ball sleeve is provided with steel ball putting hole, is provided with steel ball in steel ball putting hole; Piston is provided with steel ball escape groove.The spring of circle distribution is also provided with, in the spring putting hole that the inner chamber lower surface of upper surface and housing that the both ends of the spring of groups of springs is placed on piston is respectively offered between the upper surface of piston and the inner chamber lower surface of housing; The closed cavity that piston base end face, steel ball sleeve external cylindrical surface, soleplate upper surface and housing inner peripheral surface are formed is connected with gas circuit hole system, and piston can do reciprocating linear in the axis of steel ball sleeve and slide under the acting in conjunction of groups of springs, gas circuit hole system and guiding mechanism.Its operation principle is: quick change supporting plate is connected by connector with foundation base, connector is fixed on quick change supporting plate, connector accommodating enter in foundation base centre bore, after gas circuit hole system disconnection source gas releases, groups of springs release elastic force promotes piston and slides axially, steel ball is pushed in the steel ball putting hole of steel ball sleeve, the stepping up in groove of locking connector in the die cavity that the part of steel ball extend into steel ball sleeve central through hole, thus realize clamping function; When gas circuit hole system connects source of the gas, gas enters and promotes piston in closed cavity that housing and piston formed and slide axially along steel ball sleeve, and compression spring set, piston release acts on the power on steel ball, steel ball can exit from the central through hole of steel ball sleeve, the part that steel ball exits accommodating enter in steel ball escape groove, realize opening function.
In above-mentioned patent, the centre bore of piston is divided into three sections from top to down, is respectively chamfered transition section, steel ball rollback groove and longitudinal straightway, when being inserted on the sleeve of housing by piston, easily occurring colliding with, causes breakage to the inwall of chamfered transition section; Make in steel ball clamping process, the power of chamfered transition section compressing steel ball is unstable, and causes the power of steel ball holding attachment also unstable.
Summary of the invention
The utility model provides a kind of piston of flexible positioning clamping device, easily knocks against the problem of chamfered transition section inwall with the piston overcoming existing flexible positioning clamping device when being inserted on the sleeve of housing hard.
The technical solution adopted in the utility model is:
The piston of flexible positioning clamping device, this piston is provided with centre bore; Centre bore is divided into four sections from top to down, is respectively open section, chamfered transition section, steel ball rollback groove and longitudinal straightway; The center-hole diameter of chamfered transition section becomes large from top to down gradually; The epimere of piston exterior is provided with the first spring resettlement groove.
The axis of above-mentioned open section, the axis of chamfered transition section, the axis of steel ball rollback groove and the axis of longitudinal straightway are positioned on same straight line L.
In addition, the junction of open section and piston upper surface is rounding.
Wherein, the inner peripheral surface of open section is provided with the first seal groove.
Wherein, the inner peripheral surface of longitudinal straightway is provided with the second seal groove.
Wherein, the hypomere of piston exterior is provided with the 3rd seal groove.
Be further characterized in that, piston lower surface is provided with groove.
The beneficial effects of the utility model are: when piston is inserted on the sleeve of housing, open section alignment sleeve is inserted in, in the aligning process, even if piston and sleeve collide with to some extent, also be that breakage is caused to open section, the inwall of chamfered transition section can not be damaged, ensure that the power stable and uniform of chamfered transition section compressing steel ball, also ensure that the stability of steel ball to connector chucking power.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model piston;
Fig. 2 is the A direction view of Fig. 1;
Fig. 3 is that the K-K of Fig. 1 is to sectional view;
Fig. 4 is the structural representation that the utility model piston and housing, shell are assembled together.
Wherein: 1-open section, 2-chamfered transition section, 3-steel ball rollback groove, the longitudinal straightway of 4-, 5-first spring resettlement groove, 6-first seal groove, 7 second seal grooves, 8-the 3rd seal groove, 9-groove, 10-housing, 11-sleeve, 12-pedestal, 13-shell, 14-spring, 15-steel ball, 16-cavity, 17-gas circuit hole, 18-gas circuit hole interface, 19-first sealing ring, 20-second sealing ring, 21-the 3rd sealing ring, 22-the 4th sealing ring, 23-the 5th sealing ring, 24-steel ball backstop hole.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in detail:
As shown in Figure 3, the utility model provides a kind of piston of flexible positioning clamping device, and this piston is provided with centre bore, and centre bore is divided into four sections from top to down, is respectively open section 1, chamfered transition section 2, steel ball rollback groove 3 and longitudinal straightway 4; Wherein, the axis of the axis of open section 1, chamfered transition section 2, the axis of steel ball rollback groove 3 and the axis of longitudinal straightway 4 are positioned on same straight line L.Open section 1 is rounding with the junction of piston upper surface, the inner peripheral surface of open section 1 is provided with the first seal groove 6; The center-hole diameter of chamfered transition section 2 becomes large from top to down gradually; The inner peripheral surface of longitudinal straightway 4 is provided with the second seal groove 7, and the lower surface of piston is provided with groove 9.As depicted in figs. 1 and 2, the epimere of piston exterior is provided with the first spring resettlement groove 5, and hypomere is provided with the 3rd seal groove 8.
As shown in Figure 4, in real work, the utility model piston overlaps on the housing 10, the housing 10 of flexible positioning clamping device is made up of the sleeve 11 in "T"-shaped structure and pedestal 12, pedestal 12 is provided with the second spring resettlement groove, sleeve 11 is provided with steel ball backstop hole 24, in steel ball backstop hole 24, is provided with steel ball 15; What insert in the centre bore of housing 10 is connector, and connector is the connection for supporting plate and housing, and connector is fixed on supporting plate.Particularly, piston is enclosed within sleeve 11, and the pedestal 12 of housing 10 is fixed on shell 13, is provided with many group springs 14 between the pedestal 12 of housing 10 and piston; One end of spring 14 is positioned at the first spring resettlement groove 5 of piston, and the other end is positioned at the second spring resettlement groove of housing 10; The lower surface of piston is positioned on shell 13, forms a cavity 16 between the groove 9 of piston lower surface and shell 13, and shell 13 inside is provided with gas circuit hole 17, and shell 13 outer setting has gas circuit hole interface 18, and gas circuit hole interface 18 is connected with external air source; Cavity 16, gas circuit hole 17, gas circuit hole interface 18 communicate; Be provided with the first sealing ring 19 between pedestal 12 and shell 13, between sleeve 11 and shell 13, be provided with the second sealing ring 20, between piston and shell 13, be provided with the 3rd sealing ring 21, between piston and sleeve 11, be provided with the 4th sealing ring 22 and the 5th sealing ring 23.
What arrange in the first seal groove 6 of piston is that what to arrange in the 4th sealing ring 22, second seal groove 7 is that what to arrange in the 5th sealing ring the 23, three seal groove 8 is the 3rd sealing ring 21.
Its operation principle is: because piston, shell 13, sleeve 11, the 3rd sealing ring 21, the 5th sealing ring 23 and the second sealing ring 20 form confined space, when connection source of the gas, gas enters cavity 16 by gas circuit hole 17, promote piston along the axial upward sliding of sleeve 11, piston compression spring 14, piston release acts on the power on steel ball 15, steel ball 15 can exit a part from steel ball backstop hole 24, the part that steel ball 15 exits can enter in the steel ball rollback groove 3 of piston, steel ball 15 unclamps connector, realizes opening function.Disconnect after source gas releases, spring 14 discharges elastic force, and promote piston along the axial slide downward of sleeve 11, steel ball 15 pushes by the chamfered transition section 2 of piston in steel ball backstop hole 24, steel ball 15 locking connector step up groove, thus realize clamping function.
When piston is inserted on the sleeve 11 of housing 10, open section 1 alignment sleeve 11 is inserted in, even if piston and sleeve 11 collide with to some extent in the aligning process, also be that breakage is caused to open section 1, chamfered transition section 2 inwall can not be damaged, make chamfered transition section 2 oppress power stable and uniform when steel ball 15 pushes in steel ball backstop hole 24, also ensure that the stability of steel ball 15 pairs of connector chucking powers.Open section 1 is set to when rounding is to be overlapped on sleeve 11 by piston more convenient with the connection of piston upper surface.
Claims (7)
1. the piston of flexible positioning clamping device, is characterized in that: described piston is provided with centre bore; Described centre bore is divided into four sections from top to down, is respectively open section (1), chamfered transition section (2), steel ball rollback groove (3) and longitudinal straightway (4); The center-hole diameter of described chamfered transition section (2) becomes large from top to down gradually; The epimere of described piston exterior is provided with the first spring resettlement groove (5).
2. the piston of flexible positioning clamping device according to claim 1, is characterized in that: the axis of described open section (1), the axis of chamfered transition section (2), the axis of steel ball rollback groove (3) and the axis of longitudinal straightway (4) are positioned on same straight line L.
3. the piston of flexible positioning clamping device according to claim 1, is characterized in that: described open section (1) is rounding with the junction of piston upper surface.
4. the piston of flexible positioning clamping device according to claim 1, is characterized in that: the inner peripheral surface of described open section (1) is provided with the first seal groove (6).
5. the piston of flexible positioning clamping device according to claim 1, is characterized in that: the inner peripheral surface of described longitudinal straightway (4) is provided with the second seal groove (7).
6. the piston of flexible positioning clamping device according to claim 1, is characterized in that: the hypomere of described piston exterior is provided with the 3rd seal groove (8).
7. the piston of flexible positioning clamping device according to claim 1, is characterized in that: described piston lower surface is provided with groove (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520777532.6U CN205057604U (en) | 2015-10-09 | 2015-10-09 | Flexible localization clamping device's piston |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520777532.6U CN205057604U (en) | 2015-10-09 | 2015-10-09 | Flexible localization clamping device's piston |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205057604U true CN205057604U (en) | 2016-03-02 |
Family
ID=55384207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520777532.6U Expired - Fee Related CN205057604U (en) | 2015-10-09 | 2015-10-09 | Flexible localization clamping device's piston |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205057604U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108466097A (en) * | 2018-06-25 | 2018-08-31 | 王心成 | A kind of robot and the general high-precision quick-changing positioning device of lathe |
-
2015
- 2015-10-09 CN CN201520777532.6U patent/CN205057604U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108466097A (en) * | 2018-06-25 | 2018-08-31 | 王心成 | A kind of robot and the general high-precision quick-changing positioning device of lathe |
| CN108466097B (en) * | 2018-06-25 | 2024-04-05 | 王心成 | General high-precision quick-change positioning device for robot and machine tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160302 Termination date: 20191009 |