CN203779177U - Large-clamping-force quick positioning and clamping unit - Google Patents

Large-clamping-force quick positioning and clamping unit Download PDF

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Publication number
CN203779177U
CN203779177U CN201420176267.1U CN201420176267U CN203779177U CN 203779177 U CN203779177 U CN 203779177U CN 201420176267 U CN201420176267 U CN 201420176267U CN 203779177 U CN203779177 U CN 203779177U
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China
Prior art keywords
steel ball
piston
inner chamber
clamping unit
clamping
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CN201420176267.1U
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Chinese (zh)
Inventor
吴双
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Suzhou Close Machinery Co Ltd Of Huge Rock Ichor
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Suzhou Close Machinery Co Ltd Of Huge Rock Ichor
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Priority to CN201420176267.1U priority Critical patent/CN203779177U/en
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Abstract

The utility model discloses a large-clamping-force quick positioning and clamping unit which comprises a body, a base, a piston, a rivet, an ejection sleeve and other parts. The external parts of the large-clamping-force quick positioning and clamping unit include the body and the base, accordingly the part amount is small, integrality is good, and complicated and large-sized pipelines, a hydraulic tank and other parts are not needed. Accordingly the large-clamping-force quick positioning and clamping unit is small in size, and the cost is also low. In addition, the large-clamping-force quick positioning and clamping unit has a self-locking function and a standard screw hole and accordingly has high secondary development capacity. Furthermore, a positioning pin adopting asymmetric design can be fool-proof.

Description

Large chucking power fast positioning clip clamping unit
Technical field
The present invention relates to machine tool accessory technical field, especially relate to a kind of large chucking power fast positioning clip clamping unit.
Background technology
Fast positioning clip clamping unit is mainly used on lathe with holding workpiece.Conventionally, along with the lifting of clamping ability, the size of this clamping unit also can increase thereupon, and need to be the parts such as the supporting comparatively complicated pipeline of this clamping unit, hydraulic fluid tank.Particularly for chucking power between 600-1200kg, even chucking power is greater than the fast positioning clip clamping unit of 2000kg, that the volume of this clamping unit increases is more, structure is more complicated, causes its cost to improve rapidly.
Summary of the invention
The object of this invention is to provide a kind of large chucking power fast positioning clip clamping unit, it has comparatively simple, the lower-cost feature of small volume, structure.
The technical solution adopted in the present invention is: large chucking power fast positioning clip clamping unit, and described large chucking power fast positioning clip clamping unit comprises:
---body, this body has the inner chamber of lower ending opening, on this inner chamber roof, has a through hole, and what in this through hole, be sealed and matched is fixed with a steel ball sleeve, the axial line place of this steel ball sleeve is provided with centre bore, and the sidewall of this centre bore is provided with the steel ball of the sidewall that runs through this centre bore;
---base, this base seals the lower ending opening of this inner chamber;
---piston, this piston is positioned at this inner chamber and this inner chamber matches, simultaneously, the middle part of this piston is provided with upwardly extending boss, the axial line place of this boss is provided with jack, and between this piston and the upper wall of this inner chamber, be provided with disk spring, meanwhile, the steel bead groove that the sidewall of this jack is provided with and this steel ball matches;
---blind rivet, this blind rivet is sealed and matched runs through this centre bore, and the bottom of this blind rivet is injected in this jack, simultaneously, the cannelure that the lower sides of this blind rivet is provided with and this steel ball matches, two limit walls up and down of this cannelure are skewed, and this steel ball has up and down gap in this cannelure;
---top cover, this top cover is between the lower surface of this blind rivet and the bottom of this jack, and this top cover has up and down gap; And
The space forming between this base and this piston is communicated with compressed air source by check valve.
On the upper surface of described body, be distributed with dowel hole and standard screws hole, and all dowel holes are mal-distribution.
The advantage that the present invention has is: small volume, structure are comparatively simple, cost is lower.Large chucking power fast positioning clip clamping unit external component of the present invention only comprises body and base, thereby parts are less, globality is better, and without adopting the parts such as pipeline that complexity comparatively and volume are larger and hydraulic fluid tank, thereby have less volume, cost is also lower then.Meanwhile, this large chucking power fast positioning clip clamping unit has auto-lock function and standard screws hole, makes it possess stronger ability of second development.And the alignment pin of asymmetric design can fool proof.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described:
Fig. 1 is that the master of embodiments of the invention looks cutaway view.
In figure: 10, body, 11, inner chamber, 12, through hole, 13, steel ball sleeve, 14, centre bore, 15, steel ball, 16, dowel hole, 17, standard screws hole; 20, base; 30, piston, 31, boss, 32, jack, 33, disk spring, 34, steel bead groove; 40, blind rivet, 41, cannelure; 50, top cover.
The specific embodiment
Embodiment, as shown in Figure 1: large chucking power fast positioning clip clamping unit, comprising: the parts such as body 10, base 20, piston 30, blind rivet 40, top cover 50.Concretely:
This body 10 has the inner chamber 11 of lower ending opening.On these inner chamber 11 roofs, have a through hole 12, what in this through hole 12, be sealed and matched is fixed with a steel ball sleeve 13.Certainly, the area of section of this through hole 12 is less than the area of section of this inner chamber 11.Such as, the internal diameter of this through hole 12 is less than the internal diameter of this inner chamber 11.The axial line place of this steel ball sleeve 13 is provided with centre bore 14.The sidewall of this centre bore 14 is provided with the steel ball 15 of the sidewall that runs through this centre bore 14.That is, this steel ball 15 can inside and outsidely slide.Certainly, the diameter of this steel ball 15 is greater than the thickness of the sidewall of this centre bore 14.
The lower ending opening of these base 20 these inner chambers 11 of sealing.Such as, this base 20 is fixed on the bottom of this body 10 by attachment screw, and this base 20 is fixed on the workbench of lathe.
This piston 30 is positioned at this inner chamber 11 and this inner chamber 11 matches.Meanwhile, the middle part of this piston 30 is provided with upwardly extending boss 31.The axial line place of this boss 31 is provided with jack 32.Between this piston 30 and the upper wall of this inner chamber 11, be provided with disk spring 33.And, the steel bead groove 34 that the sidewall of this jack 32 is provided with and this steel ball 15 matches.That is, this steel ball 15 can be stuck in this steel bead groove 34 after outwards sliding.
This blind rivet 40 is sealed and matched runs through this centre bore 14, and the bottom of this blind rivet 40 is injected in this jack 32.Certainly, this body 10 tops are stretched out in the upper end of this blind rivet 40.Meanwhile, the cannelure 41 that the lower sides of this blind rivet 40 is provided with and this steel ball 15 matches, two limit walls up and down of this cannelure 41 are skewed, and this steel ball 15 has up and down gap in this cannelure 41.That is, the part that this steel ball 15 is positioned at the sidewall of this jack 32 is stuck in this cannelure 41, and the sidewall of 2 inclinations can push this steel ball 15 and makes it outside movement.And this steel ball 15 has free gap in this cannelure 41 on above-below direction.
This top cover 50 is between the lower surface of this blind rivet 40 and the bottom of this jack 32, and this top cover 50 has up and down gap.This free gap is approximately 3-5mm.
And the space forming between this base 20 and this piston 30 is communicated with compressed air source (not shown on figure) by check valve (not shown on figure).
Optimize, on the upper surface of this body 10, be distributed with dowel hole 16 and standard screws hole 17, and all dowel holes 16 are mal-distribution.It is not symmetrical with the center line of this body 10 that so-called mal-distribution refers to any two dowel holes 16.Asymmetric design anti inert like this.This dowel hole 16 coordinates straight pin and prismatic pin to play quick positioning action.This standard screws hole 17 can adapt to secondary development preferably.
In sum: this base is connected with workbench, this disk spring is fixed between this piston and this this part, and piston can move up and down in this chamber body, and this steel ball is placed in this steel ball sleeve.When piston bottom enters compressed air, this piston moves up and withstands the top of this body.Now steel ball can the steel bead groove of this piston of setback in, this top cover can, by this blind rivet jack-up 1-2mm, can easily be taken workpiece away.Under the effect of check valve, this piston remains on this position and changes after new workpiece, bleed off compressed air, this piston moves down under the effect of disk spring, thereby in this piston, steel bead groove can be pushed steel ball in cannelure that center is pressed in this blind rivet to, then tightly hold blind rivet, and have auto-lock function.Certainly, can be using this large chucking power fast positioning clip clamping unit as special fixture thereby can adjust by adjusting the width of this cannelure the size of clamping force.Meanwhile, this clamping unit is without complex component such as pipeline and hydraulic fluid tanks, thereby comparatively simple, cost is lower.
The foregoing is only the preferred embodiments of the present invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes description of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.

Claims (2)

1. large chucking power fast positioning clip clamping unit, is characterized in that: described large chucking power fast positioning clip clamping unit comprises:
Body (10), this body (10) has the inner chamber (11) of lower ending opening, on this inner chamber (11) roof, have a through hole (12), what in this through hole (12), be sealed and matched is fixed with a steel ball sleeve (13), the axial line place of this steel ball sleeve (13) is provided with centre bore (14), and the sidewall of this centre bore (14) is provided with the steel ball (15) of the sidewall that runs through this centre bore (14);
Base (20), this base (20) seals the lower ending opening of this inner chamber (11);
Piston (30), this piston (30) is positioned at this inner chamber (11) and this inner chamber (11) matches, simultaneously, the middle part of this piston (30) is provided with upwardly extending boss (31), the axial line place of this boss (31) is provided with jack (32), and between the upper wall of this piston (30) and this inner chamber (11), be provided with disk spring (33), meanwhile, the steel bead groove (34) that the sidewall of this jack (32) is provided with and this steel ball (15) matches;
Blind rivet (40), this blind rivet (40) is sealed and matched runs through this centre bore (14), and the bottom of this blind rivet (40) is injected in this jack (32), simultaneously, the cannelure (41) that the lower sides of this blind rivet (40) is provided with and this steel ball (15) matches, two limit walls up and down of this cannelure (41) are skewed, and this steel ball (15) has up and down gap in this cannelure (41);
Top cover (50), this top cover (50) is positioned between the lower surface of this blind rivet (40) and the bottom of this jack (32), and this top cover (50) has up and down gap; And
The space forming between this base (20) and this piston (30) is communicated with compressed air source by check valve.
2. large chucking power fast positioning clip clamping unit according to claim 1, is characterized in that: on the upper surface of described body (10), be distributed with dowel hole (16) and standard screws hole (17), and all dowel holes (16) are mal-distribution.
CN201420176267.1U 2014-04-14 2014-04-14 Large-clamping-force quick positioning and clamping unit Active CN203779177U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420176267.1U CN203779177U (en) 2014-04-14 2014-04-14 Large-clamping-force quick positioning and clamping unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420176267.1U CN203779177U (en) 2014-04-14 2014-04-14 Large-clamping-force quick positioning and clamping unit

Publications (1)

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CN203779177U true CN203779177U (en) 2014-08-20

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106312100A (en) * 2015-06-23 2017-01-11 星视野精密机械股份有限公司 Additional shaft clamping mechanism of gantry machining machine
CN106466716A (en) * 2015-08-14 2017-03-01 星视野精密机械股份有限公司 The additional shaft positioning and clamping mechanism of gantry processor
CN111408960A (en) * 2020-05-06 2020-07-14 张云朋 Self-locking type quick locking device for machine tool components

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106312100A (en) * 2015-06-23 2017-01-11 星视野精密机械股份有限公司 Additional shaft clamping mechanism of gantry machining machine
CN106466716A (en) * 2015-08-14 2017-03-01 星视野精密机械股份有限公司 The additional shaft positioning and clamping mechanism of gantry processor
CN111408960A (en) * 2020-05-06 2020-07-14 张云朋 Self-locking type quick locking device for machine tool components
CN111408960B (en) * 2020-05-06 2022-03-01 湖南九五精机有限责任公司 Self-locking type quick locking device for machine tool components

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