CN208178979U - Clamping seats - Google Patents

Abstract

The utility model provides clamping seats, by the way that the installation of multiple pneumatic chucks is provided with gas circuit combination at the top of the base, in pedestal, multiple pneumatic chucks can be utilized from multiple position Quick-clamped objects, such as the fixture that Quick-clamped can be mobile with workpiece.Since cylinder body is an integral structure, movable balls are directly installed on cylinder body, and compared with existing pneumatic chuck, structure is simple, it is easily fabricated, assembling when it is at low cost and stable, the service life is long.

Description

Clamping seats

Technical field

The utility model relates to field of fixtures, in particular to clamping seats.

Background technique

In the past, in the lathe waited in machining center, the state of Work pallet is fixed on for the workpiece of machining It is admitted to lathe.In order to which the Work pallet to be accurately positioned and fixed to the workbench of lathe, installed in workbench side Multiple clamp systems with the function of being positioned to Work pallet.With the development of technology, occur utilizing activity Sphere clamp workpiece or tooling and use gas as the clamping structure of motive force, but structure is complicated for existing clamp system, At high cost, complex process when not only manufacturing, assembling, but also fluctuation of service, spoilage are high.

Utility model content

In order to overcome the deficiencies of the prior art, the utility model provides clamping seats.

Specifically, its technical solution is as follows:

A kind of clamping seats, comprising:

Multiple pneumatic chucks, the pneumatic chuck include cylinder body, piston component, movable balls and first gas passage, each The quantity of movable balls described in the pneumatic chuck be it is multiple, the piston component is slidably disposed in the cylinder body, institute It states movable balls to be arranged in the ball mounting hole of the cylinder body, the piston component is arranged with the matched position of the ball mounting hole There is ball mounting groove, the first gas passage is configured as pushing the piston component mobile using air pressure, makes the piston group Part drives the movable balls out of described in the ball mounting hole retraction ball mounting groove and leaves after the ball mounting groove from described Ball mounting hole exposes；

Pedestal, the pneumatic chuck are mounted on the top of the pedestal, and gas circuit combination, the gas are provided in the pedestal Road combination includes the gas circuit branch for being connected to the first gas passage.

In some preferred embodiments, multiple collet mounting grooves, the collet peace are provided at the top of the pedestal Tankage and the pneumatic chuck correspond, and the pneumatic chuck is mounted in the collet mounting groove.

In some preferred embodiments, the cylinder body is an integral structure, and is internally provided with and is axially extended Stepped hole, the stepped hole run through the cylinder body both ends, the stepped hole include the first hole section and the second hole section, described first The diameter of hole section is less than the diameter of second hole section, the ball mounting hole be located at the cylinder body positioned at first hole section Side；

The piston component includes the piston rod and piston plate of integral type, and the piston plate is movably set in described In two hole sections and sealed connection between the two, the piston rod are located in first hole section, and the ball mounting groove is located at described On piston rod；

The first gas passage is connected to the cavity between second hole section and the piston plate.

In some preferred embodiments, the outside of the cylinder body be in ladder rod structure, including be sequentially arranged first Diameter segment, second diameter section and third diameter segment, the second diameter section, the first diameter section and the third diameter segment Diameter sequentially reduces；

The outer surface of the first diameter section is provided with the annular groove for installing sealing ring, the end of the second diameter section Face setting is located at the third diameter for the first fixed structure that the cylinder body and the pedestal is fixed, the ball mounting hole Section.

In some preferred embodiments, the first gas passage is by the first diameter section and the second diameter Cascaded surface between section enters the cylinder body.

In some preferred embodiments, the gas circuit branch for being connected to the first gas passage extends to the pedestal Top end surface, for connecting with the first gas passage when the pneumatic chuck is mounted in the collet mounting groove It is logical.

It in some preferred embodiments, further include second gas channel, the second gas channel is by described first Cascaded surface between diameter segment and the second diameter section enters the cylinder body, and is connected to the piston rod and second hole section Between gap；

The third diameter segment has gap and external the be connected between the piston rod and second hole section One stomata.

It in some preferred embodiments, further include third gas channel, the third gas channel is by described first Cascaded surface between diameter segment and the second diameter section enters the cylinder body, and straight by the second diameter section and the third Cascaded surface between diameter section leaves the cylinder body.

In some preferred embodiments, the gas circuit combination further includes being respectively communicated with the second gas channel, institute State the gas circuit branch in third gas channel.

In some preferred embodiments, the bottom of the collet mounting groove is provided with the 4th gas passage, for from The external of the cylinder body pushes the piston plate.

The utility model at least has the advantages that

According to clamping seats provided by the utility model, by the way that multiple pneumatic chucks are installed at the top of the base, in pedestal It is provided with gas circuit combination, can utilize multiple pneumatic chucks can be with work from multiple position Quick-clamped objects, such as Quick-clamped The mobile fixture of part.Pneumatic chuck includes cylinder body, piston component, movable balls and first gas passage, is lived in each pneumatic chuck The quantity of dynamic ball be it is multiple, piston component is slidably disposed in cylinder body, and movable balls are arranged in the ball mounting hole of cylinder body, living Plug assembly is being provided with ball mounting groove with the matched position of ball mounting hole, and first gas passage is configured as being pushed using air pressure and be lived Plug assembly is mobile, and piston component is made to drive movable balls out of ball mounting hole retraction ball mounting groove and leave after ball mounting groove from ball Mounting hole exposes；Pedestal, pneumatic chuck installation are provided with gas circuit combination at the top of the base, in pedestal, and gas circuit combination includes connecting The gas circuit branch of logical first gas passage.Since cylinder body is an integral structure, movable balls are directly installed on cylinder body, and existing Pneumatic chuck is compared, and structure is simple, it is easily fabricated, assembling when it is at low cost and stable, the service life is long.

To enable the above objects, features, and advantages of the utility model to be clearer and more comprehensible, preferred embodiment is cited below particularly, and Cooperate appended attached drawing, is described in detail below.

Detailed description of the invention

It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.

Fig. 1 is the oblique view of clamping seats in the utility model embodiment；

Fig. 2 is the top view of clamping seats in the utility model embodiment；

Fig. 3 is the left view of clamping seats in the utility model embodiment；

Fig. 4 is the explosive view of clamping seats in the utility model embodiment；

Fig. 5 is the oblique view of pneumatic chuck in the utility model embodiment；

Fig. 6 is the front view of pneumatic chuck in the utility model embodiment；

Fig. 7 is the sectional view along A-A of Fig. 6；

Fig. 8 is the left view of pneumatic chuck in the utility model embodiment；

Fig. 9 is the B-B direction cross-sectional view of Fig. 8；

Figure 10 is the explosive view of pneumatic chuck in the utility model embodiment；

Figure 11 is the sectional view along A-A of Fig. 2；

Figure 12 is the B-B direction cross-sectional view of Fig. 3.

Main element symbol description:

4- clamping seats；10- pneumatic chuck；101- cylinder body；1011- first diameter section；1012- second diameter section；1013- Three diameter segments；102- movable balls；103- plug；104- bolt；The second stomata of 105-；The first stomata of 106-；107- sealing ring； 108- first gas passage；109- second gas channel；110- ball mounting groove；111- piston component；1111- piston plate；1112- Piston rod；112- spring；113- spring guide pin；114- stepped hole；The first hole section of 1141-；The second hole section of 1142-；115- third Gas passage；116- spring mounting hole；117- fixed hole；20- pedestal；21- gas circuit branch；22- air-path interface；23- collet Mounting groove；The 4th gas passage of 24-；The second fixed structure of 30-.

Specific embodiment

Hereinafter, the various embodiments of the utility model will be described more fully.The utility model can have various realities Example is applied, and can adjust and change wherein.It should be understood, however, that: there is no limit the various embodiments of the utility model In the intention of specific embodiment disclosed herein, but the utility model should be interpreted as covering falling into the various of the utility model All adjustment, equivalent and/or optinal plan in the spirit and scope of embodiment.

It hereinafter, can the term " includes " used in the various embodiments of the utility model or " may include " instruction institute Disclosed function, operation or the presence of element, and the increase of one or more functions, operation or element is not limited.In addition, As used in the various embodiments of the utility model, term " includes ", " having " and its cognate are meant only to indicate specific Feature, number, step, operation, the combination of element, component or aforementioned item, and be understood not to exclude one or first A number of other features, number, step, operation, element, component or aforementioned item combined presence or increase one or more spies Sign, number, step, operation, element, component or aforementioned item combination a possibility that.

In the various embodiments of the utility model, states "or" or " at least one of A or/and B " includes while arranging Any combination of text out or all combinations.For example, statement " A or B " or " at least one of A or/and B " may include A, can It including B or may include A and B both.

The statement (" first ", " second " etc.) used in the various embodiments of the utility model can be modified various Various constituent element in embodiment, but respective sets can not be limited into element.For example, the above statement is not intended to limit the element Sequence and/or importance.The above statement is only used for the purpose for differentiating an element and other elements.For example, first uses Family device and second user device indicate different user device, although the two is all user apparatus.For example, practical not departing from In the case where the range of novel various embodiments, first element is referred to alternatively as second element, and similarly, second element can also quilt Referred to as first element.

It should also be noted that in the present invention, unless otherwise specific regulation and definition, " installation ", " connection ", " fixation " Equal terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection or being integrally connected；It can be with It is mechanical connection, is also possible to be electrically connected；It can be and be directly connected to, and can be indirectly connected through an intermediary；It can be Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be Concrete meaning in the present invention.

In the present invention, those skilled in the art are it is to be appreciated that indicating position or position in text The term of relationship is orientation based on the figure or positional relationship, is merely for convenience of description the utility model and simplification is retouched It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, constructed and grasped with specific orientation Make, therefore should not be understood as limiting the present invention.

The term used in the various embodiments of the utility model is used only for the purpose of describing specific embodiments and simultaneously It is not intended to the various embodiments of limitation the utility model.As used herein, singular is intended to also include plural form, unless Context is expressly otherwise indicated.Unless otherwise defined, otherwise all terms used herein (including technical term and science Term) there is contain identical with the various normally understood meanings of embodiment one skilled in the art of the utility model Justice.The term (term such as limited in the dictionary generally used) be to be interpreted as have in the related technical field The identical meaning of situational meaning and Utopian meaning or meaning too formal will be interpreted as having, unless this It is clearly defined in the various embodiments of utility model.

Embodiment

Also referring to 1- Fig. 4, a kind of clamping seats 4 are present embodiments provided, may be provided in machining center, for fast Speed clamps the fixture of workpiece.Its structure includes pedestal 20 and multiple pneumatic chucks 10, and pneumatic chuck 10 is mounted on the top of pedestal 20 Portion, gas circuit combination is provided in pedestal 20, and gas circuit combination includes a plurality of gas circuit branch 21.Preferably, it is additionally provided on pedestal 20 Pedestal 20 is fixed in other pedestals, such as processing by multiple second fixed structures 30, such as the combination of bolt, threaded hole On intracardiac pedestal.

Pedestal 20 as one preferred, for blocky entity (non-hollow box like structure) pedestal, a plurality of gas circuit branch 21 Enter pedestal 20 from the outer surface of pedestal 20, and in 20 internal stretch of pedestal.Preferably, the top of pedestal 20 is provided with multiple folders Head mounting groove 23, collet mounting groove 23 and pneumatic chuck 10 correspond, and pneumatic chuck 10 is mounted in collet mounting groove 23.

In the present embodiment, as shown in fig. 5-10, pneumatic chuck 10 includes cylinder body 101, piston component 111 and multiple activities Ball 102.Wherein, cylinder body 101 is an integral structure, and is internally provided with the stepped hole 114 axially extended, specifically, cylinder body 101 be the columnar structured of multisection type, and stepped hole 114 is arranged on the axial line of cylinder body 101.Stepped hole 114 runs through cylinder body 101 Both ends, stepped hole 114 include the first hole section 1141 and the second hole section 1142, the diameter of the first hole section 1141 is less than the second hole section 1142 diameter, cylinder body 101 have outside the first hole section 1141 of multiple connections and cylinder body 101 in the side for being located at the first hole section 1141 The ball mounting hole in portion.

In the present embodiment, piston component 111 includes the piston rod 1112 and piston plate 1111 of integral type, and piston plate 1111 can It is movably set in the second hole section 1142 and is tightly connected therebetween, wherein sealed connection between the two is close by elasticity Sealing is constituted, and elastic sealing element is fixed on the side of piston plate 1111 or the inner wall of the second hole section 1142 by annular groove.It is living Stopper rod 1112 is located in the first hole section 1141, and piston rod 1112 is being provided with ball mounting groove 110 with the matched position of ball mounting hole. Specifically, the second hole section 1142, piston rod 1112, piston plate 1111, the first hole section 1141 diameter be sequentially increased so that piston Bar 1112 is constrained to move in the first hole section 1141, and the second hole section 1142 is constrained to can only be in the second hole section 1142 Interior movement.Wherein, piston rod 1112 specifically can be with the matched position of ball mounting hole, when piston plate 1111 is horizontally disposed, When piston rod 1112 is located at the surface of piston plate 1111, ball mounting groove 110 is located at close to the position of 1112 upper end of piston rod, It is easily installed clamped object in this way.

In the present embodiment, movable balls 102 and ball mounting hole are corresponded, and one end of movable balls 102 is located in ball mounting hole, The other end of movable balls 102 is able to enter ball mounting groove 110.Specifically, ball mounting hole is obliquely installed, when cylinder body 101 and piston When component 111 is all placed vertically, as shown in figure 9, ball mounting hole is obliquely installed, when piston rod 1112 is moved to ball is installed in this way When slot 110 is concordant with ball mounting hole, movable balls 102 can be fallen into ball mounting groove 110 under gravity.Conversely, working as piston When bar 1112 moves up, the cell wall of ball mounting groove 110 pushes up movable balls 102 and leaves ball mounting groove 110 and install from ball The outer surface of hole exposing cylinder body 101.

As shown in figure 9, pneumatic chuck 10 includes first gas passage 108, first gas passage 108 is connected to the second hole section Cavity between 1142 and piston plate 1111 drives piston rod 1112 and lives for pushing piston component 111 mobile using air pressure Dynamic ball 102 exposes out of ball mounting hole retraction ball mounting groove 110 and after leaving ball mounting groove 110 from ball mounting hole.

Specifically, the outside of cylinder body 101 is in ladder rod structure, and the first diameter section 1011, second including being sequentially arranged is straight Diameter section 1012 and third diameter segment 1013, the diameter of second diameter section 1012, first diameter section 1011 and third diameter segment 1013 Sequentially reduce.The outer surface of first diameter section 1011 is provided with the annular groove for installing sealing ring 107, enables cylinder body 101 Enough and pedestal 20 is tightly connected.First for fixing cylinder body 101 and external structure is arranged in the end face of second diameter section 1012 Fixed structure, specifically, the first fixed structure include the fixed hole of the upper and lower end faces through second diameter section 1012 117, thereby, it is possible to be fixed cylinder body 101 with external structure by wearing bolt 104.Wherein, ball mounting hole is located at third diameter Section 1013.First gas passage 108 enters cylinder body by the cascaded surface between first diameter section 1011 and second diameter section 1012 101。

As shown in figure 11, gas circuit combination includes the gas circuit branch 21 of connection first gas passage 108.Correspondingly, in pedestal 20 outer surface (preferably side) have with this air-path interface 22 that gas circuit branch 21 is connected to all the way, for external air source to be introduced First gas passage 108.Preferably, being connected to this of first gas passage 108, gas circuit branch 21 extends to the top of pedestal 20 all the way End surface, for being connected to first gas passage 108 when pneumatic chuck 10 is mounted in collet mounting groove 23.

Preferably, multiple springs 112, spring 112 are provided between piston plate 1111 and the inner face of the second hole section 1142 Both ends abut the inner face of piston plate 1111 and the second hole section 1142 respectively.It, can be in gas due to being provided with multiple springs 112 When dynamic collet 10 stops working, piston component is made to automatically reset under the action of spring 112.

Preferably, multiple spring guide pins 113, spring are provided between piston plate 1111 and the inner face of the second hole section 1142 Guide pin 113 and spring 112 correspond, and spring 112 is set on spring guide pin 113.It, can by the way that spring guide pin 113 is arranged The deformation direction of limited spring 112 avoids inclination, shaking etc. from occurring so that piston component 111 stablizes movement in cylinder body 101, And then avoid result in clamp precision reduction.

Preferably, the disk of the end face of stepped hole 114 and piston plate 1111 is both provided with 113 mounting hole of spring guide pin and bullet Spring mounting hole 116.The setting of spring 112 and spring guide pin 113 is so that the internal piston component 111 of pneumatic chuck 10 has stabilization Reliable reset capability.

Preferably, the cylinder of second diameter section 1012 is provided with threaded hole, and threaded hole is connected to first gas passage 108, spiral shell Plug 103 is configured in pit.

It preferably, further include second gas channel 109, second gas channel 109 is straight by first diameter section 1011 and second Cascaded surface between diameter section 1012 enters cylinder body 101, and the gap being connected between piston rod 1112 and the second hole section 1142.It is preferred that Ground, third diameter segment 1013 have the first stomata for being connected in the gap between piston rod 1112 and the second hole section 1142 with outside 106。

Preferably, gas circuit combination further includes the gas circuit branch 21 for being connected to second gas channel 109.Correspondingly, in pedestal 20 Outer surface (preferably side) have with this air-path interface 22 that gas circuit branch 21 be connected to all the way, for by external air source introducing the Two gas passages 109.Preferably, being connected to this of second gas channel 109, gas circuit branch 21 extends to the top of pedestal 20 all the way End face, for being connected to second gas channel 109 when pneumatic chuck 10 is mounted in collet mounting groove 23.

By the way that second gas channel 109 is arranged, and the first stomata 106 in second diameter section 1012 is combined, has and utilize Gas auxiliary manipulator with pressure pushes clamped part, the effect of cleaning collet, clamped part.

It preferably, further include third gas channel 115, third gas channel 115 is straight by first diameter section 1011 and second Cascaded surface between diameter section 1012 enters cylinder body 101, and by the ladder between second diameter section 1012 and third diameter segment 1013 Leave cylinder body 101 in face.Preferably, gas circuit combination further includes the gas circuit branch 21 for being connected to third gas channel 115.Correspondingly, exist The outer surface (preferably side) of pedestal 20 have with this air-path interface 22 that gas circuit branch 21 be connected to all the way, be used for external air source Introduce third gas channel 115.Preferably, be connected to third gas channel 115 this gas circuit branch 21 extends to pedestal 20 all the way Top end surface, for being connected to third gas channel 115 when pneumatic chuck 10 is mounted in collet mounting groove 23.

Preferably, the cascaded surface between second diameter section 1012 and third diameter segment 1013 have the second stomata 105, second Cascaded surface between diameter segment 1012 and third diameter segment 1013 has bright and clean planar section, so that when clamped part is in close contact the When cascaded surface between two diameter segments 1012 and third diameter segment 1013, it can be examined using the air-tightness in third gas channel 115 It surveys, whether clamped part is held in place.

Preferably, the cylinder of second diameter section 1012 is provided with threaded hole, and threaded hole is connected to second gas channel 109, spiral shell Plug 103 is configured in pit.

Preferably, the bottom of collet mounting groove 23 is provided with the 4th gas passage 24, for pushing from the external of cylinder body 101 Piston plate 1111.The 4th gas passage 24 can be used cooperatively with first gas passage 108 as a result, and one from inside towards one A direction pushes piston component 111, another pushes piston component 111 from external in the opposite direction, enables piston component 111 Enough two-way automatic slidings.

The present embodiment at least has the advantages that

Clamping seats 4 provided in this embodiment, by the way that multiple pneumatic chucks 10 to be mounted on to the top of pedestal 20, in pedestal 20 It is provided with gas circuit combination, can be using multiple pneumatic chucks 10 from multiple position Quick-clamped objects, such as Quick-clamped can be with The mobile fixture of workpiece.Since cylinder body 101 is an integral structure, movable balls 102 are directly installed on cylinder body 101, and existing Pneumatic chuck is compared, and structure is simple, it is easily fabricated, assembling when it is at low cost and stable, the service life is long.

It will be appreciated by those skilled in the art that the accompanying drawings are only schematic diagrams of a preferred implementation scenario, module in attached drawing or Process is not necessarily implemented necessary to the utility model.

It will be appreciated by those skilled in the art that the module in device in implement scene can be described according to implement scene into Row is distributed in the device of implement scene, can also be carried out corresponding change and is located at the one or more dresses for being different from this implement scene In setting.The module of above-mentioned implement scene can be merged into a module, can also be further split into multiple submodule.

Above-mentioned the utility model serial number is for illustration only, does not represent the superiority and inferiority of implement scene.

Disclosed above is only several specific implementation scenes of the utility model, and still, the utility model is not limited to This, the changes that any person skilled in the art can think of should all fall into the protection scope of the utility model.

Claims (10)

1. a kind of clamping seats characterized by comprising

Multiple pneumatic chucks, the pneumatic chuck include cylinder body, piston component, movable balls and first gas passage, each described The quantity of movable balls described in pneumatic chuck be it is multiple, the piston component is slidably disposed in the cylinder body, the work Dynamic ball is arranged in the ball mounting hole of the cylinder body, and the piston component is being provided with ball with the matched position of ball mounting hole Mounting groove, the first gas passage are configured as pushing the piston component mobile using air pressure, make the piston component band The movable balls are moved to pacify out of described in the ball mounting hole retraction ball mounting groove and after leaving the ball mounting groove from the ball Hole is filled to expose；

Pedestal, the pneumatic chuck are mounted on the top of the pedestal, and gas circuit combination, the gas circuit group are provided in the pedestal Closing includes the gas circuit branch for being connected to the first gas passage.

2. clamping seats according to claim 1, which is characterized in that be provided with multiple collet installations at the top of the pedestal Slot, the collet mounting groove and the pneumatic chuck correspond, and the pneumatic chuck is mounted in the collet mounting groove.

3. clamping seats according to claim 2, which is characterized in that the cylinder body is an integral structure, and is internally provided with The stepped hole axially extended, the stepped hole run through the both ends of the cylinder body, and the stepped hole includes the first hole section and second Hole section, the diameter of first hole section are less than the diameter of second hole section, and the ball mounting hole is located at being located at for the cylinder body The side of first hole section；

The piston component includes the piston rod and piston plate of integral type, and the piston plate is movably set in second hole In section and sealed connection between the two, the piston rod are located in first hole section, and the ball mounting groove is located at the piston On bar；

The first gas passage is connected to the cavity between second hole section and the piston plate.

4. clamping seats according to claim 3, which is characterized in that the outside of the cylinder body is in ladder rod structure, including suitable First diameter section, second diameter section and the third diameter segment of secondary setting, the second diameter section, the first diameter section and described The diameter of third diameter segment sequentially reduces；

The outer surface of the first diameter section is provided with the annular groove for installing sealing ring, and the end face of the second diameter section is set It sets for the first fixed structure that the cylinder body and the pedestal is fixed, the ball mounting hole is located at the third diameter segment.

5. clamping seats according to claim 4, which is characterized in that the first gas passage by the first diameter section and Cascaded surface between the second diameter section enters the cylinder body.

6. clamping seats according to claim 5, which is characterized in that the gas circuit branch for being connected to the first gas passage extends To the top end surface of the pedestal, for when the pneumatic chuck is mounted in the collet mounting groove, with first gas The connection of body channel.

7. clamping seats according to claim 5, which is characterized in that further include second gas channel, the second gas is logical Road by the cascaded surface between the first diameter section and the second diameter section enter the cylinder body, and be connected to the piston rod and Gap between second hole section；

The third diameter segment has the first gas for being connected in the gap between the piston rod and second hole section with outside Hole.

8. clamping seats according to claim 7, which is characterized in that further include third gas channel, the third gas is logical Road enters the cylinder body by the cascaded surface between the first diameter section and the second diameter section, and by the second diameter section Cascaded surface between the third diameter segment leaves the cylinder body.

9. clamping seats according to claim 8, which is characterized in that the gas circuit combination further includes being respectively communicated with described second Gas passage, the third gas channel gas circuit branch.

10. clamping seats according to claim 3, which is characterized in that the bottom of the collet mounting groove is provided with the 4th gas Body channel, for pushing the piston plate from the external of the cylinder body.