CN208010761U - The sucker of the fast fraction injection molding machine jig of integral structure - Google Patents

Abstract

The utility model discloses a kind of suckers of the fast fraction injection molding machine jig of integral structure,Including disk body,Negative pressure cavity and negative pressure channel,The negative pressure channel is connected to negative pressure cavity,The edge of disk body opening side,And be fixed on the disk body outer surface it is multiple have elastic deformation ability for be pressed against make workpiece disk body marginal position downwards with the separation bullet part of disk body edge separation,It is lower surface that separation bullet part, which is fixed and is fitted in outer gasket ring close to the surface of disk body shell side,,It is inner face that separation bullet part, which is fixed and is fitted in the surface of outer gasket ring side,,The surface that separation bullet part is flushed with outer gasket ring towards disk body opening side is bottom surface,And bottom surface is same plane towards the concordant surface in disk body opening side with outer gasket ring,The bottom surface of separation bullet part convexes to form protrusion,Joint face is more,Contact area is big,Being completely embedded property is good,Bonding strength is high,Separation bullet part will not be split away off from sucker.

Description

The sucker of the fast fraction injection molding machine jig of integral structure

Technical field

The utility model is related to the jig of injection molding machine, the sucker of specially a kind of fast fraction injection molding machine jig of integral structure.

Background technology

In the exhaust valve production process of electric cooker, the mode for mostly using injection molding is produced, by injection mold and The workpiece of production is carried out injection molding by injection molding machine and jig.

Injection mold generally comprises the preceding die holder for constituting mold cavity and rear die holder, and two die holders close up when injection molding, and raw material is logical It crosses plup inlet to enter in mold cavity, waits that two die holders separate after the completion of being molded, and wait for jig by product after molding by being taken in 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 Workpiece involved in the utility model is the exhaust valve of electric cooker, is generally 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 It is firmly adsorbed on the surface of workpiece, will not fall off；Since sucker is firmly to adsorb on the surface of the workpiece, and sucker outer periphery 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 adsorption capacity 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.

Wherein, traditional method is the setting separation bullet part at the neighboring of sucker, by detaching bullet part so as to quick Workpiece is separated from the surface of sucker, often such separation bullet part and sucker are independently arranged, separation bullet part need Being fixedly connected on the shell of sucker could work, and the sucker for adsorbing workpiece is mostly metal material, and separation bullet part is elasticity Material, in this way, the connection of the sucker of the separation bullet part of elastic material and metal material becomes difficult, is led since the two material is different Being completely embedded property of cause and bonding strength are insufficient, and bullet part is detached during use and probably will produce pine in work repeatedly It is dynamic, or even split away off from sucking disk outer-shell, seriously affect working efficiency.

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

1, workpiece deforms and is firmly adsorbed on the surface of sucker, sucker inner cavity can not Fast Filling gas, lead to 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 falls off is longer.

2, contact of the sucker with workpiece is the form of line contact, and contact area is smaller, and soft silica gel workpiece can be made to be adsorbed Deformation, and surface leaves absorption trace.

Utility model content

The purpose of this utility model is to provide for a kind of sucker of the fast fraction injection molding machine jig of integral structure, detaches bullet part On multiple faces fix and be fitted on each face of outer gasket ring, and detach bullet part and outer gasket ring as the one of identical elastic material Structure, joint face is more, contact area is big, being completely embedded property is good, bonding strength is high, under separation bullet part will not fall off from sucker Come.

In order to achieve the above-mentioned object of the invention, the utility model uses following technical scheme：A kind of fast fraction of integral structure The sucker of injection molding machine jig, including disk body, negative pressure cavity and negative pressure channel, the negative pressure channel are connected to negative pressure cavity, the negative pressure Intracavitary be equipped with it is at least one for negative pressure cavity to be separated into the dividing walls of multiple independent toroidal cavities, dividing wall in a ring, institute It states dividing wall and is equipped with the venthole for connecting adjacent individual cavities, the dividing wall positioned at disk body opening side is equipped with for increasing The spacer ring with absorption work piece interface product, disk body edge is added to be equipped with for increasing the outer pad with absorption work piece interface product Ring, the outer gasket ring and spacer ring en plaque in a ring, outer gasket ring and spacer ring are open the plane of side towards disk body It is in same plane, there are negative pressure gap, the penetralia spacer ring middle parts between the outer gasket ring and spacer ring Equipped with negative pressure endoporus, negative pressure gap and negative pressure hole are connected to negative pressure cavity；The edge of disk body opening side, and it is located at disk Be fixed on external surface it is multiple have elastic deformation ability for be pressed against make workpiece disk body marginal position downwards and disk body The separation bullet part of edge separation, it is lower surface that separation bullet part, which is fixed and is fitted in outer gasket ring close to the surface of disk body shell side, point It is inner face to be fixed from bullet part and be fitted in the surface of outer gasket ring side, and separation bullet part is flushed with outer gasket ring towards disk body opening side Surface be bottom surface, and bottom surface and outer gasket ring are same plane towards the concordant surface in disk body opening side, detach bullet part Bottom surface convexes to form protrusion, and the height of the protrusion middle part towards disk body opening protrusion is more than outer gasket ring surrounding；The outer gasket ring Lower surface be recessed inwardly to form multiple stomatas being diametrically distributed, stomata be located at separation bullet part lower section, stomata it is straight Diameter direction is in same plane with the protrusion direction for detaching bullet part bottom lug, and the outer end opening of stomata is located at outer gasket ring following table The interior end opening in face, stomata is located at outer gasket ring lower surface, and there are airtight between the interior end opening and the madial wall of outer gasket ring of stomata Portion, the airtight portion bottom surface are flushed with outer gasket ring bottom surface.

Compared with prior art, a kind of suction of the fast fraction injection molding machine jig of integral structure of above-mentioned technical proposal is used Disk has the advantages that：

One, the edge of disk body opening side, and be fixed on the disk body outer surface and multiple there is elastic energy of deformation Power makes workpiece, downwards with the separation bullet part of disk body edge separation, make the outer gasket ring of disk body and workpiece in disk body marginal position for being pressed against Between form the position of recess, workpiece and the pre-separation of outer gasket ring neighboring, so that air is introduced into advance and fill outer gasket ring On stomata in；When workpiece is firmly adsorbed on sucker, the negative pressure in sucker makes the edge of workpiece be adsorbed by airtight portion On the outer gasket ring of sucker；Once sucker negative pressure disappears, then workpiece can make the edge of workpiece because detaching the elastic thrust of bullet part Under turn over, airtight portion no longer sucks workpiece, and air at this time can be entered by airtight portion in the negative pressure cavity of sucker with moment, will bear Pressure neutralizes, and reaches the quick separating of sucker and workpiece.

Two, the setting of protrusion allow separation bullet part workpiece is pressed down against to the distance for pushing bigger open, make it is suitable for Part has the workpiece of certain degree of hardness and elasticity.

Three, the sucker in the utility model increases suction due to being provided with outer gasket ring and multiple spacer rings by gasket ring Disk adsorbs more firm with the contact area of workpiece surface first, and secondly contact area increases, and can reduce pressure, reduces to soft silicon Glue, rubber workpiece surface absorption metaboly.

Separation bullet part on sucker is in prolonged work, in order to ensure that the working condition for detaching bullet part reaches best, Preferably, the separation bullet part is the rubber material with elastic recovery capability, and separation bullet part is structure as a whole with outer gasket ring； Separation bullet part can be restored to original shape in working repeatedly after deformation, be not in be sent out due to the deformation of separation bullet part The case where shape that changes, and it is optimum state to detach the position that bullet part is pressed against every time in workpiece surface, is detached multiple on bullet part Face is fixed and is fitted on each face of outer gasket ring, since separation bullet part is structure as a whole with outer gasket ring, separation bullet part and outer gasket ring Between be not present joint gap, separation bullet part and outer gasket ring joint face be more, to make contact area become larger, being completely embedded property is good, Bonding strength is high and processing and manufacturing is quicker, convenient, solves previous separation bullet part and is fixedly mounted on sucking disk outer-shell On, separation bullet part relies solely on a face in sucking disk outer-shell and connects, and contact area is single, and being completely embedded property is poor, and bonding strength is not Foot, and the loosening that generates and the case where fall off.

Preferably, the middle part of the protrusion is corresponding with the position of stomata, the opening of stomata outer end is located in the middle part of protrusion Place, the middle part of protrusion is corresponding with the position of stomata, and workpiece can be effectively ensured by the middle part of protrusion will not sealed porosity；It is convex It is located at the opening of stomata outer end in the middle part of portion, when protrusion is pressed against workpiece surface and forms the position of recess, depressed area is made to be located at The lower section of stomata is quickly flowed into the maximum gap of stomatal limiting value convenient for air.

Preferably, the opening of the stomata outer end is more than interior end opening, outside air enters gas by the opening of big end When in hole faster more fully；Secondly, air filling is also an incremental process, is held very much if end opening in stomata is excessive Workpiece can not be sucked by easily leading to airtight portion.

Since the quantity and position of separation bullet part and stomata can not correspond to, but reach effect maximization to match. Preferably, the stomata is corresponded with the quantity for detaching bullet part and position.

Airtight portion in the utility model with to detach the quantity of bullet part be 4, it is preferred that the airtight portion exists with stomata The length ratio of outer gasket ring radially is 1/15~2/14, when the width ratio that airtight portion accounts for outer gasket ring is 2/16-1/16, residual Adsorption capacity it is moderate, and between stomata and workpiece be filled with air, be discontiguous.If airtight portion in the quantity for detaching bullet part It rises, 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 adsorption capacity on the surface of the workpiece enables sucker and workpiece quick separating；The airtight portion of short diameter can reach sealing The firmly effect of gas, makes suction cup interior be not communicated with the external world, air when sucker being prevented firmly to be adsorbed on workpiece surface in sucker Outflow, air pressure reduce, sucker locally tilt, the surface for being adsorbed on workpiece that sucker cannot be smooth, sucker generate loosen or from It is split away off on workpiece surface.

Preferably, there are two the dividing wall is set altogether, 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, and there are middle negative pressure gap, middle gasket ring and outer pads between interior gasket ring and middle gasket ring There are outer negative pressure gaps, the negative pressure cavity to be separated into successively in negative pressure inner cavity, negative pressure from the inside to the outside by interior, middle dividing wall between ring Chamber and negative pressure exocoel, negative pressure inner cavity are connected to negative pressure endoporus, and negative pressure lumen is connected to middle negative pressure gap, negative pressure exocoel and outer negative pressure Gap is connected to, and the middle dividing wall and inner isolated wall are equipped with venthole.By increase dividing wall, increase negative pressure number of gaps, Increase the adsorption capacity of sucker.

During sucker suction, negative pressure cavity hypotony can make dividing wall deform, and then drive gasket ring deformation, one The deformation of denier gasket ring can make the bottom surface adsorption plane of sucker become uneven so that air enters absorption surface, influences whole Adsorption effect is preferably equipped between the interior gasket ring and middle gasket ring and between middle gasket ring and outer gasket ring for connecting adjacent gasket ring The interconnecting piece for preventing gasket ring from deforming connects three gasket rings by interconnecting piece, prevents gasket ring from deforming.

Preferably, interconnecting piece adjacent on the middle negative pressure gap is enclosed circular logical with interior gasket ring and middle gasket ring Hole.Adjacent interconnecting piece is enclosed circular through-hole with outer gasket ring and middle gasket ring on the outer negative pressure gap.Circular through hole Uniform force, non-deformability are stronger.

Description of the drawings

Fig. 1 is the sectional view of sucker in the utility model；

Fig. 2 is the structural schematic diagram 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 schematic diagram 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 utility model；

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 detached in the present embodiment 1；

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

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

Figure 13 is the structural schematic diagram in sucking disk outer-shell face in the present embodiment 1；

Figure 14 is the structural schematic diagram in sucker suction face in the present embodiment 1；

Figure 15 is the partial enlarged view at D in Figure 13；

Figure 16 is the partial enlarged view at E in Figure 14；

Figure 17 is that a kind of mounting structure of the sucker embodiment of the fast fraction injection molding machine jig of integral structure of the utility model shows It is intended to；

Figure 18 is a kind of schematic diagram of the sucker suction workpiece of the fast fraction injection molding machine jig of integral structure of the utility model.

Reference numeral：1 ', existing sucker；1, disk body；10, outer gasket ring；11, negative pressure endoporus；12, middle negative pressure gap；13, Outer negative pressure gap；21, negative pressure inner cavity；22, negative pressure lumen；23, negative pressure exocoel；3, inner isolated wall；30, interior venthole；31, interior pad Ring；4, middle dividing wall；40, middle venthole；41, middle gasket ring；5, negative pressure channel；6, interconnecting piece；72, negative pressure mesoporous；73, outside negative pressure Hole；8, bullet part is detached；81, protrusion；9, stomata；90, airtight portion.

Specific implementation mode

The utility model is described further below in conjunction with the accompanying drawings.

Embodiment 1：

The sucker jig of injection molding machine as shown in Figures 1 to 3, including sucker, sucker include that disk body 1, negative pressure cavity and negative pressure are logical Road 5, negative pressure channel 5 are connected to negative pressure cavity, and negative pressure cavity is equipped with inner isolated wall 3 and middle dividing wall 4, two isolation successively from the inside to the outside Negative pressure cavity is divided into 23 3 negative pressure inner cavity 21, negative pressure lumen 22 and negative pressure exocoel chambers, 3 court of inner isolated wall by wall from the inside to the outside It is equipped with interior gasket ring 31 to the bottom of sucker opening side, 4 bottom of middle dividing wall is equipped with middle gasket ring 41, and 1 periphery bottom surface of disk body is equipped with Outer gasket ring 10, interior, domestic and abroad gasket ring towards the side that sucker is open be in same plane (necessarily being in same plane could adsorb, If can gas leakage not if same plane) in, the effect of interior, domestic and abroad gasket ring is to increase contact area, and workpiece is made to be not easy to slide.

31 middle part of interior gasket ring offers negative pressure endoporus 11, and negative pressure endoporus 11 is connected to negative pressure inner cavity 21；Interior gasket ring 31 is in There are middle negative pressure gaps 12, middle negative pressure gap 12 to be connected to negative pressure lumen 22 between gasket ring 41；Outer gasket ring 10 and middle gasket ring 41 it Between there are outer negative pressure gaps 13, outer negative pressure gap 13 to be connected to negative pressure exocoel 23.

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

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

As shown in fig. 7, the part for beating hatching is interior, domestic and abroad gasket ring, the part for not beating hatching be negative pressure endoporus 11, Middle negative pressure gap 12 and outer negative pressure gap 13, to prevent the tilting of sucker edge from leading to gas leakage, the edge of sucker needs larger Adsorption capacity, 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 adsorption capacity of entire 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 the largest.

As shown in fig. 6, interior venthole 30 and middle venthole 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 the angle in interior venthole 30 to the center of circle and nearest middle venthole 40 to the center of circle is 30 °. Interior venthole 30 to 1 center of circle of disk body axis between two adjacent middle ventholes 40, two is adjacent, 3 He of inner isolated wall Be both provided with 6 evenly distributed ventholes on middle dividing wall 4, the venthole after being staggered make in, interior venthole be not It is directly aligned so that individually interior venthole 30 can act 2 adjacent middle ventholes 40 when negative pressure generates, by negative pressure Uniform dispersion so that the adsorption capacity of sucker homogenizes.

As shown in Figure 10, the pressure of separation bullet part 8 for the side that is open in sucker neighboring is arranged in workpiece surface in sucker suction Lean against workpiece surface, the lower surface that separation bullet part 8 faces out 10 one end of gasket ring convexes to form protrusion 81, and 81 middle part of protrusion is towards disk Body 1 is open raised height more than 10 surrounding of outer gasket ring, in this way, the surface that protrusion 81 is pressed against workpiece forms depressed area, it is recessed The presence of concave portion position, originally outer gasket ring 10 opened with the smooth close binding face of workpiece surface, to reduce outer gasket ring 10 and Contact area between workpiece surface reduces sucker in the adsorption capacity of workpiece surface, can quickly divide sucker and workpiece It leaves and, the separation of sucker and workpiece becomes light.

Stomata 9 is corresponded with the quantity for detaching bullet part 8 and position, and 81 middle part of protrusion is located at the opening of 9 outer end of stomata, And the opening of 9 outer end of stomata is more than interior end opening, and multiple stomatas 9 are distributed in sucker periphery with the combining form for detaching bullet part 8 Rim openings side ensures that outer 10 edge of gasket ring can reduce contact of the sucker with workpiece under the action of detaching bullet part 8 Area, adsorption capacity of the reduction sucker in workpiece surface；Outside air into when blowhole 9 since the effect of big end opening is into blowhole Flow becomes larger when 9, and certain pressure is formed in the stomata 9, also reduces sucker in the adsorption capacity of workpiece surface, can be quick Sucker and workpiece are separated, the separation of sucker and workpiece becomes more light.

As shown in figure 11, there are airtight portion 90, airtight portions 90 between the interior end opening and the madial wall of outer gasket ring 10 of stomata 9 Bottom surface is flushed with 10 bottom surface of outer gasket ring, 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 enable firmly to be adsorbed on workpiece surface, will not loosen Or it falls off.

Airtight portion 90 is 1/15~2/14 in the length ratio of outer gasket ring 10 radially with stomata 9, 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 adsorption capacity of revolution mark is moderate in outer gasket ring 10, and stomata 9 It is filled with air 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 so that airtight portion 90 and the contact area of workpiece on outer gasket ring 10 is reduced, causes the adsorption capacity of sucker insufficient.

As shown in Figure 17 and Figure 18, when negative pressure cavity generates negative pressure in sucker, sucker firmly sucks workpiece, sucker outer periphery The airtight portion 90 of outer gasket ring 10 is adsorbed on the surface of the workpiece under the action 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 protrusion 81 of end, and protrusion 81 is pressed The position that recess is formed by workpiece surface, allows separation bullet part 8 that workpiece to be pressed down against to the distance for pushing bigger open, when in sucker When negative pressure cavity negative pressure disappears, airtight portion 90 no longer sucks workpiece, and air at this time can be led to by 9 moment of stomata of big end opening It crosses airtight portion 90 to enter in the negative pressure cavity of sucker, negative pressure is neutralized, the adsorption capacity of the outer absorption of gasket ring 10 of sucker on the surface of the workpiece It greatly reduces, quickly workpiece can be made to be separated from sucker.

As shown in Figure 15 and Figure 16, separation bullet part 8, which is fixed, is fitted in outer gasket ring 10 and is close to the surface of 1 shell side of disk body Lower surface, it is inner face that separation bullet part 8, which is fixed and is fitted in the surface of 10 side of outer gasket ring, separation bullet part 8 and outer gasket ring 10 towards The flush of the opening of disk body 1 side is bottom surface, and bottom surface is towards the concordant surface in the opening side of disk body 1 with outer gasket ring 10 Same plane is fixed to be fitted on each face of outer gasket ring 10 by the lower surface of separation bullet part 8 and inner face forming multiple faces Connection type, the connection type in multiple faces, contact area when separation bullet part 8 is connect with outer gasket ring 10 increase therewith, and point Two faces being bonded being fixed with outer gasket ring 10 from bullet part 8 and being crossed to form angle, the angle between two faces pass through is fastened on outer pad On the face of ring 10, keep the bonding strength between separation bullet part 8 and outer gasket ring 10 more preferable, and detaches bullet part 8 and be with outer gasket ring 10 Joint gap is not present in integral structure, the connection between the separation bullet part 8 and outer gasket ring 10 of integral structure, and being completely embedded property is more Good, even if in prolonged work, separation bullet part 8 is also difficult to split away off from outer gasket ring 10.

Embodiment 2：

The present embodiment is on the basis of embodiment 1, to add the structure of interconnecting piece 6 based on embodiment 1.

As shown in figure 8, interconnecting piece 6 is equipped between outer gasket ring 10 and middle gasket ring 41, between middle gasket ring 41 and interior gasket ring 31 Equipped with interconnecting piece 6, interconnecting piece 6 is strip, is attached three gasket rings by interconnecting piece so that the bottom absorption of entire sucker Face is in a netted structure, and the side that interconnecting piece 6, interior gasket ring 31, middle gasket ring 41 and outer gasket ring 10 be opens towards sucker is one Smooth plane.

Due to the setting of interconnecting piece 6 so that adjacent gasket ring can be connected to each other, and can effectively prevent the deformation of gasket ring, Improve the leakproofness 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 interconnecting piece 6 is improved.

As shown in figure 9, interconnecting piece 6 adjacent on middle negative pressure gap 12 is enclosed circle with interior gasket ring 31 and middle gasket ring 41 Negative pressure mesoporous 72.Adjacent interconnecting piece 6 is enclosed circular negative with outer gasket ring 10 and middle gasket ring 41 on outer negative pressure gap 13 Exit orifice 73 is pressed, negative pressure mesoporous 72 and negative pressure exit orifice 73 are circular through-hole.

Replace the negative pressure interstitial structure in embodiment 1 by circular through-hole so that the structure of entire sucker suction bottom surface Intensity is improved, more difficult deformation.

In Fig. 9,11 diameter > negative pressure exit orifice of negative pressure endoporus, 73 diameter > negative pressure mesoporous, 72 diameter, 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 mesoporous 72.Internal adsorption capacity is most strong, is secondly side Edge position, is thirdly remainder.Purpose is identical as the adsorption capacity distribution reason mentioned in embodiment 1, no longer repeats herein.

The above makes preferred embodiments of the present invention, does not depart from for those of ordinary skill in the art Under the premise of the utility model principle, several variations and modifications can also be made, these also should be regarded as the protection of the utility model Range.

Claims (9)

1. a kind of sucker of the fast fraction injection molding machine jig of integral structure, including disk body（1）, negative pressure cavity and negative pressure channel（5）, described Negative pressure channel（5）It is connected to negative pressure cavity, it is characterised in that：

Equipped at least one dividing wall 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 equipped with the venthole for connecting adjacent individual cavities to wall, is located at the disk body（1）Be open side every It is equipped with from wall for increasing the spacer ring with absorption work piece interface product, disk body（1）Edge is equipped with for increasing with absorption work The outer gasket ring of part contact area（10）, the outer gasket ring（10）With spacer ring en plaque in a ring, outer gasket ring（10）With every From gasket ring towards disk body（1）The plane of opening side is in same plane, the outer gasket ring（10）Between spacer ring There are negative pressure gap, negative pressure endoporus is equipped in the middle part of the inner most spacer ring（11）, negative pressure gap and negative pressure hole with it is negative Press chamber connection；

The disk body（1）The edge of opening side, and it is located at disk body（1）It is fixed on outer surface multiple with elastic deformation Ability makes workpiece in disk body for being pressed against（1）Marginal position is downwards and disk body（1）The separation bullet part of edge separation（8）, detach bullet Part（8）Fixation is fitted in outer gasket ring（10）Close to disk body（1）The surface of shell side is lower surface, detaches bullet part（8）Fixed patch It closes in outer gasket ring（10）The surface of side is inner face, detaches bullet part（8）With outer gasket ring（10）Towards disk body（1）Opening side is neat Flat surface is bottom surface, and bottom surface and outer gasket ring（10）Towards disk body（1）The concordant surface in opening side is same plane, point From bullet part（8）Bottom surface convex to form protrusion（81）, the protrusion（81）Middle part is towards disk body（1）The height of opening protrusion is more than Outer gasket ring（10）Surrounding；The outer gasket ring（10）Lower surface be recessed inwardly to form multiple stomatas being diametrically distributed（9）, Stomata（9）Positioned at separation bullet part（8）Lower section, stomata（9）Diametric(al) with detach bullet part（8）Bottom lug（81）Protrusion Direction is in same plane, stomata（9）Outer end opening be located at outer gasket ring（10）Lower surface, stomata（9）Interior end opening be located at Outer gasket ring（10）Lower surface, stomata（9）Interior end opening and outer gasket ring（10）Madial wall between there are airtight portions（90）, described Airtight portion（90）Bottom surface and outer gasket ring（10）Bottom surface flushes.

2. a kind of sucker of the fast fraction injection molding machine jig of integral structure according to claim 1, it is characterised in that：Described Detach bullet part（8）For the rubber material with elastic recovery capability, bullet part is detached（8）With outer gasket ring（10）Be structure as a whole knot Structure.

3. a kind of sucker of the fast fraction injection molding machine jig of integral structure according to claim 1, it is characterised in that：It is described convex Portion（81）Middle part and stomata（9）Position it is corresponding, protrusion（81）Middle part is located at stomata（9）The opening of outer end.

4. a kind of sucker of the fast fraction injection molding machine jig of integral structure according to claim 1 or 3, it is characterised in that：Institute The stomata stated（9）The opening of outer end is more than interior end opening.

5. a kind of sucker of the fast fraction injection molding machine jig of integral structure according to claim 1, it is characterised in that：Described Stomata（9）With detach bullet part（8）Quantity and position correspond.

6. a kind of sucker of the fast fraction injection molding machine jig of integral structure according to claim 1, it is characterised in that：The gas Compact part（90）With stomata（9）In outer gasket ring（10）Length ratio radially is 1/15 ~ 2/14.

7. a kind of sucker of the fast fraction injection molding machine jig of integral structure according to claim 1, it is characterised in that：It is described every There are two being set altogether from wall, dividing wall is divided into middle dividing wall（4）And inner isolated wall（3）, the middle dividing wall（4）Positioned at disk body（1） Outer rim and inner isolated wall（3）Between, spacer ring is divided into interior gasket ring（31）With middle gasket ring（41）, the interior gasket ring（31）Positioned at interior Dividing wall（3）Bottom, the middle gasket ring（41）Positioned at middle dividing wall（4）Bottom, interior gasket ring（31）With middle gasket ring（41）Between stay There is middle negative pressure gap（12）, middle gasket ring（41）With outer gasket ring（10）Between there are outer negative pressure gaps（13）, the negative pressure cavity by it is interior, Middle dividing wall is separated into negative pressure inner cavity successively from the inside to the outside（21）, negative pressure lumen（22）With negative pressure exocoel（23）, negative pressure inner cavity （21）With negative pressure endoporus（11）Connection, negative pressure lumen（22）With middle negative pressure gap（12）Connection, negative pressure exocoel（23）With outer negative pressure Gap（13）Connection, the middle dividing wall（4）And inner isolated wall（3）It is equipped with venthole.

8. a kind of sucker of the fast fraction injection molding machine jig of integral structure according to claim 7, it is characterised in that：In described Gasket ring（31）With middle gasket ring（41）Between and middle gasket ring（41）With outer gasket ring（10）Between be equipped with prevented for connecting adjacent gasket ring The interconnecting piece of gasket ring deformation（6）.

9. a kind of sucker of the fast fraction injection molding machine jig of integral structure according to claim 7 or 8, it is characterised in that：Institute State middle negative pressure gap（12）Upper adjacent interconnecting piece（6）With interior gasket ring（31）With middle gasket ring（41）It is enclosed circular through-hole.