CN107585671A - A kind of sucker of fast fraction injection machine tool - Google Patents

Abstract

The invention discloses a kind of sucker of fast fraction injection machine tool, the edge of the disk body opening side, and multiple separation bullet parts are fixed with disk body outer surface, separation bullet part center section is bent to form deformations, and the lower surface that separation bullet part faces out gasket ring one end convexes to form convex portion；The lower surface of the outer gasket ring caves inward to form multiple stomatas being diametrically distributed, stomata is positioned at the lower section of separation bullet part, the diametric(al) of stomata is in same plane with separating bullet part bending direction, the lateral wall of outer gasket ring is run through in the outer end of stomata, the interior end opening of stomata terminates in the lower surface of outer gasket ring, airtight portion is left between the interior end opening of stomata and the madial wall of outer gasket ring, the airtight portion bottom surface flushes with outer gasket ring bottom surface；Effect by separating bullet part and stomata makes workpiece quick separating from sucker get off, and the work of removing of workpiece becomes simple, light.

Description

A kind of sucker of fast fraction injection machine tool

Technical field

The present invention relates to the tool of injection machine, specially a kind of sucker of fast fraction injection machine tool.

Background technology

It is more using being produced by the way of injection in the exhaust valve production process of electric cooker, by injection mold with The workpiece of production is carried out injection molding by injection machine and tool.

Injection mold generally comprises the preceding die holder for forming mold cavity and rear die holder, and two die holders close up during injection, and raw material leads to Plup inlet is crossed into mold cavity, waits that two die holders separate after the completion of being molded, after tool by the product after shaping by being taken in die cavity Go out.

Due to that in production process, can be determined according to the size and surface smoothness of workpiece using armful tool or a sucker jig, and The workpiece being related in the present invention is the exhaust valve of electric cooker, is typically fetched using sucker jig.

For sucker suction in workpiece surface, suction cup interior is in negative pressure state, and the negative pressure of sucker is larger, makes sucker can be with Firmly adsorb on the surface of workpiece, will not fall off；Because sucker is firmly to adsorb on the surface of the workpiece, and sucker neighboring Gasket ring and workpiece surface contact area at edge is larger, the absorption of gasket ring at sucker neighboring on the surface of the workpiece when and workpiece Surface fitting is smooth, close, and the absorption affinity of gasket ring absorption on the surface of the workpiece at sucker neighboring is larger, can not incite somebody to action Workpiece quick separating from sucker gets off, and mask work is more difficult.

Especially, when workpiece is the higher silica gel of flexibility, rubber, traditional sucker jig will face two problems：

1st, workpiece is deformed and firmly adsorbed on the surface of sucker, sucker inner chamber can not Fast Filling gas, cause work Part adsorption time is longer, can cause just to be molded the silica gel finished being deformed by sucker suction, and the time that comes off is longer.

2nd, contact of the sucker with workpiece is the form of linear contact lay, and its contact area is smaller, can be adsorbed soft silica gel workpiece Deformation, and surface leaves absorption vestige.

The content of the invention

The invention aims to provide a kind of sucker of fast fraction injection machine tool, by separating bullet part and stomata Effect makes workpiece quick separating from sucker get off, and the work of removing of workpiece becomes simple, light.

In order to realize foregoing invention purpose, present invention employs following technical scheme：A kind of fast fraction injection machine tool Sucker, including disk body, negative pressure cavity and negative pressure channel, the negative pressure channel connect with negative pressure cavity,

At least one dividing wall for being used to for negative pressure cavity to be separated into multiple independent toroidal cavities is provided with the negative pressure cavity, In a ring, the dividing wall is provided with the passage for connecting adjacent individual cavities to dividing wall, described positioned at disk body opening side Dividing wall, which is provided with, to be used to increase the spacer ring with absorption work piece interface product, and disk body edge, which is provided with, to be used to increase with absorption workpiece The outer gasket ring of contact area, the outer gasket ring and spacer ring en plaque in a ring, outer gasket ring and spacer ring are towards disk body The plane of opening side is in same plane, and negative pressure gap is left between the outer gasket ring and spacer ring, described most interior Negative pressure endoporus is provided with the middle part of portion's spacer ring, negative pressure gap and negative pressure hole connect with negative pressure cavity；The disk body opening side Edge, and be fixed with multiple flexible deformabilities on the disk body outer surface and be used for pressing and make workpiece at disk body edge The position separation bullet part with disk body edge separation downwards, the separation bullet part is in disk body opening neighboring towards curved in disk body Song, separation bullet part center section are bent to form deformations, and the lower surface that separation bullet part faces out gasket ring one end convexes to form convex portion； The lower surface of the outer gasket ring caves inward to form multiple stomatas being diametrically distributed, and stomata is under separation bullet part Side, the diametric(al) of stomata are in same plane with separating bullet part bending direction, and the lateral wall of outer gasket ring is run through in the outer end of stomata, The interior end opening of stomata terminates in the lower surface of outer gasket ring, is left between the interior end opening of stomata and the madial wall of outer gasket ring airtight Portion, the airtight portion bottom surface flush with outer gasket ring bottom surface.

Compared with prior art, a kind of sucker of fast fraction injection machine tool of above-mentioned technical proposal is employed, is had such as Lower beneficial effect：

First, the edge of disk body opening side, and it is fixed with multiple flexible deformation energies on disk body outer surface Power, which is used to be pressed against, makes workpiece make the outer gasket ring of disk body and workpiece in the disk body marginal position separation bullet part with disk body edge separation downwards Between form the position of depression, workpiece and the pre-separation of outer gasket ring neighboring, air is introduced into advance and fill outer gasket ring On stomata in；When workpiece is firmly adsorbed when on sucker, the negative pressure in sucker causes the edge of workpiece to be adsorbed by airtight portion On the outer gasket ring of sucker；Once sucker negative pressure disappears, then workpiece because the elastic thrust of separation bullet part, can make the edge of workpiece Under turn over, airtight portion no longer sucks workpiece, and air now can be entered in the negative pressure cavity of sucker with moment by airtight portion, will be negative Pressure neutralizes, and reaches the quick separating of sucker and workpiece.

2nd, the setting of convex portion allows separation bullet part to be pressed down against workpiece to push bigger distance open, is applied to it Part has the workpiece of certain degree of hardness and elasticity.

3rd, the sucker in the present invention, due to there is provided outer gasket ring and multiple spacer rings, it is same to add sucker by gasket ring The contact area of workpiece surface, adsorb first it is more firm, secondly contact area increase, pressure can be reduced, reduced to soft silica gel, rubber The metaboly of the absorption of glue workpiece surface.

Separation bullet part on sucker is in prolonged work, in order to ensure that the working condition for separating bullet part reaches optimal, Preferably, described separation bullet part is the quality of rubber materials of flexible recovery capability, and separation bullet part is after deformation in working repeatedly Original shape can be returned to, is not in the situation due to separating the deformation of bullet part and deforming, and separate bullet part The position being pressed against every time in workpiece surface is optimum state.

Preferably, it is located at the opening of stomata outer end in the middle part of described convex portion, it is raised towards disk body opening in the middle part of convex portion Height be more than outer gasket ring surrounding, convex portion be pressed against workpiece surface form depression, outer gasket ring and workpiece surface on the surface of the workpiece Between form the position of depression, reduce the contact area of the outer gasket ring of sucker and workpiece surface, make the outer gasket ring of sucker and workpiece Between absorption affinity reduce, so that quickly workpiece be taken off；The middle part of convex portion is corresponding with the position of stomata, passes through convex portion Middle part workpiece can be effectively ensured will not sealed porosity.

Preferably, the opening of described stomata outer end is more than interior end opening, outside air enters gas by the opening held greatly It is faster more abundant when in hole；Secondly, air filling and an incremental process, hold very much if end opening in stomata is excessive Workpiece can not be sucked by being easily caused airtight portion.

Because separation bullet part and the quantity of stomata and position can not correspond to, but reach effect maximization to match. Preferably, described stomata corresponds with the quantity and position for separating bullet part.

Airtight portion in the present invention is 4 with the quantity for separating bullet part, it is preferred that the airtight portion is padded outside with stomata The length ratio of ring radially is 1/15~2/14, when the width ratio that airtight portion accounts for outer gasket ring is 2/16-1/16, its suction remained Attached power is moderate, and air is filled between stomata and workpiece, is discontiguous.If airtight portion rises with separating the quantity of bullet part, Then the outer gasket ring width ratio shared by airtight portion then reduces.

The stomata of long diameter can flow into more air, and the air pressure in stomata is more sufficient, effectively reduce sucker suction Attached absorption affinity on the surface of the workpiece, enable sucker and workpiece quick separating；The airtight portion of short diameter can just reach sealing The firmly effect of gas, makes suction cup interior be not communicated with the external world, prevents sucker from firmly adsorbing the air in sucker in workpiece surface Outflow, air pressure are reduced, and sucker locally tilts, the absorption that sucker can not be smooth on the surface of workpiece, sucker produce loosen or from Split away off on workpiece surface.

Preferably, the dividing wall is provided with two altogether, and dividing wall is divided into middle dividing wall and inner isolated wall, the middle dividing wall Between disk body outer rim and inner isolated wall, spacer ring is divided into interior gasket ring and middle gasket ring, and the interior gasket ring is located at inner isolated wall Bottom, the middle gasket ring are located at middle dividing wall bottom, middle negative pressure gap, middle gasket ring and outer pad are left between interior gasket ring and middle gasket ring Outer negative pressure gap is left between ring, the negative pressure cavity is separated into negative pressure inner chamber, negative pressure successively from the inside to the outside by interior, middle dividing wall Chamber and negative pressure exocoel, negative pressure inner chamber connect with negative pressure endoporus, and negative pressure lumen connects with middle negative pressure gap, negative pressure exocoel and outer negative pressure Gap connects, and the middle dividing wall and inner isolated wall are equipped with passage.By increasing dividing wall, increase negative pressure number of gaps, Increase the adsorption capacity of sucker.

During sucker suction, negative pressure cavity hypotony, dividing wall can be deformed, and then drive gasket ring deformation, one The deformation of denier gasket ring can cause the bottom surface adsorption plane of sucker to become uneven so that air enters absorption surface, influences overall Adsorption effect, preferably it is provided between the interior gasket ring and middle gasket ring and between middle gasket ring and outer gasket ring and is used to connect adjacent gasket ring The connecting portion for preventing gasket ring from deforming, three gasket rings are connected by connecting portion, prevent gasket ring from deforming.

Preferably, connecting portion adjacent on the middle negative pressure gap encloses to form the logical of circle with interior gasket ring and middle gasket ring Hole.Adjacent connecting portion encloses the through hole to form circle with outer gasket ring and middle gasket ring on the outer negative pressure gap.Manhole Uniform force, non-deformability are stronger.

Brief description of the drawings

Fig. 1 is the sectional view of sucker in the present invention；

Fig. 2 is the structural representation of sucker in the present embodiment 1；

Fig. 3 is the internal structure schematic diagram of sucker in the present embodiment 1；

Fig. 4 is the structural representation of sucker in the present embodiment 3；

Fig. 5 is the internal structure schematic diagram of sucker in the present embodiment 3；

Fig. 6 is middle dividing wall and inner isolated wall upper vent hole distribution schematic diagram in the present invention；

Fig. 7 is the schematic diagram in sucker suction face in the present embodiment 1；

Fig. 8 is the schematic diagram in sucker suction face in the present embodiment 2；

Fig. 9 is the schematic diagram in sucker suction face in the present embodiment 3；

Figure 10 is the sectional view that bullet part is separated in the present embodiment 1；

Figure 11 is the partial enlarged drawing at B in Fig. 2；

Figure 12 is the partial enlarged drawing at C in Fig. 4；

Figure 13 is a kind of mounting structure schematic diagram of the sucker embodiment of fast fraction injection machine tool of the present invention；

Figure 14 is a kind of schematic diagram of the sucker suction workpiece of fast fraction injection machine tool of the present invention.

Reference：1 ', existing sucker；1st, disk body；10th, outer gasket ring；11st, negative pressure endoporus；12nd, middle negative pressure gap；13、 Outer negative pressure gap；21st, negative pressure inner chamber；22nd, negative pressure lumen；23rd, negative pressure exocoel；3rd, inner isolated wall；30th, interior passage；31st, interior pad Ring；4th, middle dividing wall；40th, middle passage；41st, middle gasket ring；5th, negative pressure channel；6th, connecting portion；72nd, negative pressure mesopore；73rd, outside negative pressure Hole；8th, bullet part is separated；80th, deformations；81st, convex portion；9th, stomata；90th, airtight portion.

Embodiment

The present invention is described further below in conjunction with the accompanying drawings.

Embodiment 1：

The sucker of injection machine as shown in Figures 1 to 3, including disk body 1, negative pressure cavity and negative pressure channel 5, negative pressure channel 5 is with bearing Press chamber connection, negative pressure cavity is sequentially provided with inner isolated wall 3 and middle dividing wall 4 from the inside to the outside, two dividing walls by negative pressure cavity by it is interior extremely Outer to be divided into 23 3 negative pressure inner chamber 21, negative pressure lumen 22 and negative pressure exocoel chambers, inner isolated wall 3 is towards sucker opening side Bottom is provided with interior gasket ring 31, and the middle bottom of dividing wall 4 is provided with middle gasket ring 41, and the periphery bottom surface of disk body 1 is provided with outer gasket ring 10, it is interior, in, it is outer Gasket ring towards the side of sucker opening is in same plane and necessarily be in same plane and could adsorb, if can not if same plane Gas leakage, the effect of interior, domestic and abroad gasket ring are increase contact area, make workpiece be not easy to slide.

The interior middle part of gasket ring 31 offers negative pressure endoporus 11, and negative pressure endoporus 11 connects with negative pressure inner chamber 21；Interior gasket ring 31 is with Middle negative pressure gap 12 is left between gasket ring 41, middle negative pressure gap 12 connects with negative pressure lumen 22；Outer gasket ring 10 and middle gasket ring 41 it Between leave outer negative pressure gap 13, outer negative pressure gap 13 connects with negative pressure exocoel 23.

Inner isolated wall 3 is provided with interior passage 30, and passage 30 connects negative pressure inner chamber 21 and negative pressure lumen 22；Middle dividing wall 4 are provided with middle passage 40, and passage 40 connects negative pressure lumen 22 and negative pressure exocoel 23.

The present embodiment produces negative-pressure sucking by negative pressure channel 5 to negative pressure inner chamber 21, and passes through interior passage 30 to negative pressure Lumen 22 transmits negative pressure, then continues transmission negative pressure to negative pressure exocoel 23 by middle passage 40, and in negative pressure endoporus 11, middle negative pressure Gap 12 and outer negative pressure gap 13 produce negative pressure so that the adsorption plane of sucker can adsorb the flat surface of workpiece.

As shown in fig. 7, beat the part of hatching as interior, domestic and abroad gasket ring, the part for not beating hatching is negative pressure endoporus 11, Middle negative pressure gap 12 and outer negative pressure gap 13, to prevent sucker edge tilts from causing gas leakage, the edge needs of sucker are larger Absorption affinity, therefore the interval in the present embodiment China and foreign countries negative pressure gap 13 is more than the interval in middle negative pressure gap 12 so that the absorption at edge Power is more than middle negative pressure gap 12.

As shown in fig. 7, negative pressure endoporus 11 determines the absorption affinity of whole sucker, main suction-operated, therefore this are played The diameter of negative pressure endoporus 11 is more than the interval in outer negative pressure gap 13 in embodiment, is maximum.

As shown in fig. 6, interior passage 30 and middle passage 40 are the middle ventilations of the center of circle setting interlaced with each other around sucker The angle in hole 40 to the center of circle is 60 °, and interior passage 30 to the center of circle and nearest middle passage 40 to the angle in the center of circle is 30 °. Between interior passage 30 to the axis in the center of circle of disk body 1 is located at two adjacent middle passages 40, two is adjacent, the He of inner isolated wall 3 6 evenly distributed passages are provided with middle dividing wall 4, the passage after being staggered so that in, interior passage be not Directly it is aligned so that single interior passage 30 can act to 2 adjacent middle passages 40 when negative pressure produces, by negative pressure It is uniform scattered so that the absorption affinity homogenization of sucker.

As shown in Figure 10, sucker suction is pressed in workpiece surface, the separation bullet part 8 for being arranged on sucker neighboring opening side Lean against workpiece surface, the lower surface that separation bullet part 8 faces out the one end of gasket ring 10 convexes to form convex portion 81, and the middle part of convex portion 81 is towards disk Body 1 be open projection height be more than the outer surrounding of gasket ring 10, so, convex portion 81 be pressed against workpiece surface formation depressed area, it is recessed Fall into the presence at position, outer gasket ring 10 is opened with the smooth closely binding face of workpiece surface originally, so as to reduce outer gasket ring 10 and Contact area between workpiece surface, absorption affinity of the sucker in workpiece surface is reduced, can be quickly by sucker and workpiece point Leave and, the separation of sucker and workpiece becomes light.

Stomata 9 corresponds with the quantity and position for separating bullet part 8, and the middle part of convex portion 81 is located at the opening of the outer end of stomata 9, And the opening of the outer end of stomata 9 is more than interior end opening, multiple stomatas 9 are distributed in sucker periphery with separating the combining form of bullet part 8 Rim openings side, ensure that the outer edge of gasket ring 10 can reduce contact of the sucker with workpiece in the presence of bullet part 8 is separated Area, reduce absorption affinity of the sucker in workpiece surface；Because blowhole is entered in the effect of big end opening when outside air enters blowhole 9 Flow becomes big when 9, and certain pressure is formed in stomata 9, also reduces absorption affinity of the sucker in workpiece surface, can be quick Sucker and workpiece are separated, the separation of sucker and workpiece becomes more light.

As shown in figure 11, airtight portion 90, airtight portion 90 are left between the interior end opening of stomata 9 and the madial wall of outer gasket ring 10 Bottom surface is flushed with the outer bottom surface of gasket ring 10, and the presence in airtight portion 90, suction cup interior is not communicated with the external world, it is therefore prevented that suction cup interior air Outflow air pressure reduce, ensure the negative regulation of suction cup interior, sucker is firmly adsorbed in workpiece surface, will not loosen Or come off.

Airtight portion 90 is 1/15~2/14 with length ratio of the stomata 9 in outer gasket ring 10 radially, and quantity is 4, when airtight When the width ratio that portion 90 accounts for outer gasket ring 10 is 2/16-1/16, the absorption affinity of revolution mark is moderate in its outer gasket ring 10, and stomata 9 Air is filled between workpiece, is discontiguous.If the quantity in airtight portion 90 rises, the outer gasket ring 10 shared by airtight portion 90 Width ratio then reduces, and reduces airtight portion 90 and the contact area of workpiece on outer gasket ring 10, causes the absorption affinity deficiency of sucker.

As shown in Figure 13 and Figure 14, when negative pressure cavity produces negative pressure in sucker, sucker firmly sucks workpiece, sucker neighboring The airtight portion 90 of outer gasket ring 10 is adsorbed on the surface of the workpiece in the presence of suction cup interior negative pressure cavity negative pressure at edge, and airtight portion 90 It is close, smooth when adsorbing on the surface of the workpiece, ensure that sucker negative pressure cavity is not communicated with the external world, will not leak in sucker negative pressure cavity Air pressure；The separation bullet part 8 of sucker neighboring opening side is pressed against on the surface of the workpiece by the convex portion 81 of end, and convex portion 81 is pressed The position of depression is formed by workpiece surface, allows separation bullet part 8 to be pressed down against workpiece to push bigger distance open, when in sucker When negative pressure cavity negative pressure disappears, airtight portion 90 no longer sucks workpiece, and air now can be led to by the moment of stomata 9 of big end opening Cross airtight portion 90 to enter in the negative pressure cavity of sucker, negative pressure is neutralized, the outer gasket ring 10 of sucker adsorbs absorption affinity on the surface of the workpiece Greatly reduce, quickly workpiece can be made to be separated from sucker.

Embodiment 2：

The present embodiment is based on embodiment 1, on the basis of embodiment 1, sets up the structure of connecting portion 6.

As shown in figure 8, connecting portion 6 is provided between outer gasket ring 10 and middle gasket ring 41, between middle gasket ring 41 and interior gasket ring 31 Provided with connecting portion 6, connecting portion 6 is strip, is attached three gasket rings by connecting portion so that the bottom absorption of whole sucker Face is in a netted structure, connecting portion 6, interior gasket ring 31, middle gasket ring 41 and outer gasket ring 10 towards the side of sucker opening be one Smooth plane.

Due to the setting of connecting portion 6 so that adjacent gasket ring can be connected to each other, and can effectively prevent the deformation of gasket ring, Improve the sealing of sucker.

Embodiment 3：

As shown in Figure 4 and Figure 5, the present embodiment be based on embodiment 2, it is further right on the basis of embodiment 2 The shape of connecting portion 6 is improved.

As shown in figure 9, connecting portion 6 adjacent on middle negative pressure gap 12 encloses to form circle with interior gasket ring 31 and middle gasket ring 41 Negative pressure mesopore 72.Adjacent connecting portion 6 encloses to form the negative of circle with outer gasket ring 10 and middle gasket ring 41 on outer negative pressure gap 13 Exit orifice 73 is pressed, negative pressure mesopore 72 and negative pressure exit orifice 73 are circular through hole.

Substitute the negative pressure interstitial structure in embodiment 1 by the through hole of circle so that the structure of whole sucker suction bottom surface Intensity is improved, more difficult deformation.

In Fig. 9, the diameter of 11 diameter ＞ negative pressure exit orifice of negative pressure endoporus, 73 diameter ＞ negative pressure mesopore 72, the suction of each negative pressure through-hole Attached ability is followed successively by from large to small：Negative pressure endoporus 11, negative pressure exit orifice 73, negative pressure mesopore 72.Internal absorption affinity is most strong, is secondly side Edge position, it is thirdly remainder.Purpose is identical with the absorption affinity distribution reason mentioned in embodiment 1, no longer repeats herein.

It is described above to make the preferred embodiment of the present invention, this hair is not departed from for the person of ordinary skill of the art On the premise of bright principle, some variations and modifications can also be made, these also should be regarded as protection scope of the present invention.

Claims (10)

1. a kind of sucker of fast fraction injection machine tool, including disk body (1), negative pressure cavity and negative pressure channel (5), the negative pressure channel (5) connected with negative pressure cavity, it is characterised in that：

Provided with least one dividing wall for being used to for negative pressure cavity to be separated into multiple independent toroidal cavities, isolation in the negative pressure cavity In a ring, the dividing wall is provided with the passage for connecting adjacent individual cavities to wall, it is described positioned at disk body (1) opening side every It is provided with from wall and is used to increase the spacer ring with absorption work piece interface product, disk body (1) edge, which is provided with, is used to increase with absorption work The outer gasket ring (10) of part contact area, the outer gasket ring (10) and spacer ring en plaque in a ring, outer gasket ring (10) and every It is in from gasket ring towards the plane of disk body (1) opening side in same plane, the outer gasket ring (10) is between spacer ring Leave negative pressure gap, be provided with negative pressure endoporus (11) in the middle part of the penetralia spacer ring, negative pressure gap and negative pressure hole are and negative pressure Chamber connects；

The edge of disk body (1) the opening side, and it is fixed with multiple flexible deformation on disk body (1) outer surface Ability, which is used for pressing, makes workpiece in disk body (1) marginal position separation bullet part (8) with disk body (1) edge separation downwards, described point Neighboring is open towards bending in disk body (1) in disk body (1) from bullet part (8), separates the shaping of bullet part (8) center section Curved Change portion (80), the lower surface that separation bullet part (8) faces out gasket ring (10) one end convex to form convex portion (81)；The outer gasket ring (10) Lower surface cave inward to form multiple stomatas (9) being diametrically distributed, stomata (9) positioned at separation bullet part (8) lower section, The diametric(al) of stomata (9) is in same plane with separating bullet part (8) bending direction, and outer gasket ring is run through in the outer end of stomata (9) (10) lateral wall, the interior end opening of stomata (9) terminate in the lower surface of outer gasket ring (10), interior end opening and the outer pad of stomata (9) Airtight portion (90) is left between the madial wall of ring (10), airtight portion (90) bottom surface flushes with outer gasket ring (10) bottom surface.

A kind of 2. sucker of fast fraction injection machine tool according to claim 1, it is characterised in that：Described separation bullet part (8) it is the quality of rubber materials of flexible recovery capability.

A kind of 3. sucker of fast fraction injection machine tool according to claim 1, it is characterised in that：In the convex portion (81) Portion is more than outer gasket ring (10) surrounding, the middle part of convex portion (81) and the position phase of stomata (9) towards the raised height of disk body (1) opening It is corresponding.

A kind of 4. sucker of fast fraction injection machine tool according to claim 3, it is characterised in that：Described convex portion (81) Middle part is located at the opening of stomata (9) outer end.

A kind of 5. sucker of fast fraction injection machine tool according to claim 1 or 4, it is characterised in that：Described stomata (9) opening of outer end is more than interior end opening.

A kind of 6. sucker of fast fraction injection machine tool according to claim 1, it is characterised in that：Described stomata (9) Corresponded with the quantity and position for separating bullet part (8).

A kind of 7. sucker of fast fraction injection machine tool according to claim 1, it is characterised in that：The airtight portion (90) It is 1/15~2/14 with length ratio of the stomata (9) in outer gasket ring (10) radially.

A kind of 8. sucker of fast fraction injection machine tool according to claim 1, it is characterised in that：The dividing wall is set altogether There are two, dividing wall is divided into middle dividing wall (4) and inner isolated wall (3), and the middle dividing wall (4) is located at disk body (1) outer rim and interior Between dividing wall (3), spacer ring is divided into interior gasket ring (31) and middle gasket ring (41), and the interior gasket ring (31) is located at inner isolated wall (3) bottom, the middle gasket ring (41) are located at middle dividing wall (4) bottom, are born in being left between interior gasket ring (31) and middle gasket ring (41) Press gap (12), outer negative pressure gap (13) is left between middle gasket ring (41) and outer gasket ring (10), the negative pressure cavity is by interior, middle isolation Wall is separated into negative pressure inner chamber (21), negative pressure lumen (22) and negative pressure exocoel (23) successively from the inside to the outside, and negative pressure inner chamber (21) are with bearing Endoporus (11) connection is pressed, negative pressure lumen (22) connects with middle negative pressure gap (12), negative pressure exocoel (23) and outer negative pressure gap (13) Connection, the middle dividing wall (4) and inner isolated wall (3) are equipped with passage.

A kind of 9. sucker of fast fraction injection machine tool according to claim 8, it is characterised in that：The interior gasket ring (31) Be provided between middle gasket ring (41) and between middle gasket ring (41) and outer gasket ring (10) prevents gasket ring from deforming for connecting adjacent gasket ring Connecting portion (6).

A kind of 10. sucker of fast fraction injection machine tool according to claim 8 or claim 9, it is characterised in that：The middle negative pressure Adjacent connecting portion (6) encloses the through hole to form circle with interior gasket ring (31) and middle gasket ring (41) on gap (12).