CN202953931U - Mould used for manufacturing glass ware - Google Patents

Abstract

The utility model discloses a mould used for manufacturing glass ware, and belongs to the technical field of glass moulds. The mould comprises a mould body provided with a ware molding cavity, an attachment mould provided with an accessory molding cavity, a punch provided with a punch cooling cavity, and a punch connecting base, wherein the accessory mould is matched with the mould body and corresponds to the central position of the bottom of the mould body, and the punch is fixedly connected with the punch connecting base and is matched with the ware molding cavity of the mould body. The mould used for manufacturing the glass ware is characterized in that an exhaust mechanism is arranged at the central position of the bottom of the punch cooling cavity of the punch; and the exhaust mechanism is communicated with the ware molding cavity and is used for leading gas in the ware molding cavity to the outside world. The mould used for manufacturing the glass ware has the advantages that bubbles can be effectively prevented from generating so as not to influence the quality of the glass ware, and the cooling and molding speed can be quickened, so that the production efficiency is improved, and the energy saving is embodied.

Description

Make the mould that glassware is used

Technical field

The utility model belongs to technical field of glass dies, is specifically related to a kind of mould that glassware is used of making.

Background technology

Aforesaid glassware is as all kinds of Lid of glass pot, bowl cover, with all kinds of glass basin of stiffening web, etc.As is known in the industry, make the process be not limited to exemplify glassware and have identical part with the process of making Glass Containers, Glass Containers is as all kinds of bottles, glass cylinder, bottle for cosmetics, jam product tank, vase and beverage bottle, etc.In the process of manufacturing this type of glassware and Glass Containers, must first frit be introduced in glass mold, then according to different technique blown, compacting or centrifugal forming, and with speed faster, the gas in die cavity is discharged as far as possible in moulding process, otherwise the gas be stranded in die cavity can enter in glassware or Glass Containers, cause glasswork the bubble that naked eyes are obvious to occur, affect visual appearance, even also affect moulding.

with regard to Bottle & Can class Glass Containers, because the thickness of its neck and shoulder part position wants much thick with respect to other position, therefore need to accelerate the radiating rate of neck and shoulder part position, use and avoid distortion, the technical intelligence of accelerating neck and shoulder part position radiating rate is made to the mould that Glass Containers is used as Chinese patent literature publication number CN101298355A() and the mould of CN101298356A(making Glass Containers), these two patent application schemes are for when secondary is blown, glass melt being evenly distributed and using the wall thickness of guaranteeing the bottleneck position and as far as possible unanimously gain ground, it is its shortcoming that but the problem on deformation of neck and shoulder part position still is difficult to be reduced to gratifying degree.Again, the mould that the CN10129835A(processing glass container is used) for preventing that the bottle bulk deformation has positive effect, but for solve regional area particularly the distortion of aforementioned neck and shoulder part position do not there is referential meaning.And, the mould of CN10129835A(Glass Containers processing use) and the CN101298359A(mould for processing glass container) be to offer radiating groove at the outer wall of bottle half module, to accelerate radiating rate, improve shaping efficiency.Also, mentioned the method for avoiding the bottle bulk deformation (specifically can referring to the specification sheets 0021-0025 hurdle of this patent and specification sheets Fig. 1, Fig. 2 of this patent) in the technology contents of US2006/0212632A.

The above-mentioned patent that is not limited to exemplify and/or the common ground of patent application scheme are all to improve speed of cooling with thermaltransmission mode, why being called heat transmits but not thermal convection, because ventilating pit or air channel are not communicate with the die cavity of mould, therefore when manufacturing glassware or Glass Containers, the air be detained in the glass melt at place, neck and shoulder part position just can't drive to the external world with the mode speed of thermal convection, so, the problem on deformation of neck and shoulder part position only can be alleviated to accelerate speed of cooling, but can not thoroughly do away with.

the mould (application that the applicant proposes) for making Bottle & Can class Glass Containers that application for a patent for invention publication No. CN101941791A recommends can be discharged the gas between mold neck shoulder and glass melt under the prerequisite of not losing speed of cooling, the mode with the die cavity thermal convection of showing as makes to be stranded in air ease in glass melt to extraneous, finally make the neck and shoulder part position of Glass Containers full, effectively suppress the distortion of neck and shoulder part position, therefore the technical scheme that CN101941791A provides has overcome all patents of being not limited to exemplify above or the shortcoming of patent application scheme basically.

Figure 4 shows that the mould that the making glassware in prior art is used, comprise die ontology 1, annex mould 2, drift 3 and drift Connection Block 4, annex mould 2 matches with die ontology 1 and corresponding to the middle position of the bottom of die ontology 1, drift 3 is fixedly connected with drift Connection Block 4, and with the vessel forming cavity 11 of die ontology 1, match, wherein annex mould 2 has annex forming cavity 21.Structure as shown in Figure 4 is known, and this mould is for the formed glass pot cover.After frit introducing vessel forming cavity 11 is interior, drive drifts 3 by the drift Connection Block 4 with the shaping mechanical connection descending and press to vessel forming cavity 11, in pressing process, as cooling to drift 3 as water by the heat-eliminating medium in the drift cooling chamber 31 of drift 3, to accelerate shaping speed, drift 3 under the drive of drift Connection Block 4 to top offset, after leaving the vessel forming cavity 11 of die ontology 1, obtain glassware, obtain Lid of glass pot, the cooker lid handle knob (also can claim pot lid handle) that simultaneously by the annex forming cavity 21 of annex mould 2, is shaped and is combined as a whole with Lid of glass pot, that is to say that the Lid of glass pot obtained is with the Lid of glass pot of handling knob.

The mould of structure shown in above-mentioned Fig. 4 is when the formed glass pot cover, due to the thickness of glass with respect to aforesaid Glass Containers and Yan Yaohou many, particularly the position thickness corresponding to the annex forming cavity 21 of annex mould 2 enlarges markedly, therefore air very easily is detained and is difficult at this place to discharge and enters in frit, make the Lid of glass pot molded the bubble that the human body naked eyes are obvious occur at cooker lid handle knob and peripheral region thereof, the class of Lid of glass pot can't improve, and even produces a large amount of defective product.

In order to reduce as much as possible the defective product of Lid of glass pot, industry is that glassware production firm disposes in the mode that slows down shaping speed usually, and slow down shaping speed, not only affects production efficiency, wastes energy but also foregoing problems still is not enough to obviously overcome.Especially, the patent that comprises CN101941791A that the above exemplifies and patent application scheme all can't solve the existing defect of mould of structure shown in Fig. 4.

In view of above-mentioned prior art, the applicant has done actively and good try has formed technical scheme described below finally, and is taking under strict secrecy provision through simulation test, and it is effective that result proves.

Summary of the invention

Task of the present utility model is to provide a kind of contributing to discharge to the external world fast and use and avoid air to enter glassware producing bubble ensure quality and be conducive to improve shaping speed and use the mould that meets industrial quick production requirement and be of value to the making glassware of save energy being stranded in air in the vessel forming cavity of die ontology.

task of the present utility model completes like this, a kind of mould of making glassware, comprise the die ontology with vessel forming cavity, annex mould with annex forming cavity, drift and drift Connection Block with drift cooling chamber, the annex mould matches with die ontology and corresponding to the middle position of the bottom of die ontology, drift is fixedly connected with the drift Connection Block, and match with the vessel forming cavity of described die ontology, the central part that is characterised in that in the bottom of the drift cooling chamber of described drift and occupy bottom is provided with the gas for by the vessel forming cavity communicated with described vessel forming cavity and leads to extraneous air-releasing mechanism.

in a specific embodiment of the present utility model, middle position in the described bottom of the drift cooling chamber of described drift offers a plug screw mating holes, described air-releasing mechanism comprises plug screw, plug screw joint and vapor pipe, plug screw matches with described plug screw mating holes with thread fiting mode, and and maintain exhaust clearance between the hole wall of plug screw mating holes, this exhaust clearance communicates with described vessel forming cavity, form a bleed groove is arranged towards an end of described annex mould and around the circumferential direction of plug screw at this plug screw, circumferential direction around this bleed groove offers one group of venting hole with the interval state, central authorities in the short transverse of plug screw offer a ventilating pit, this ventilating pit extends to the position corresponding with described venting hole, the gas of introducing from described exhaust clearance enters ventilating pit through air discharge duct and venting hole successively, the end that one end of plug screw joint and plug screw deviate from described annex mould connects, and communicate with described venting hole, one end of vapor pipe and the other end of plug screw joint connect, and the other end of vapor pipe is fixed on described drift, wherein: offer a drift production well on this drift, and offer a drift Connection Block production well on described drift Connection Block and in the position corresponding to the drift production well, the described the other end of described vapor pipe is corresponding with the drift production well and communicate, and the drift production well communicates with drift Connection Block production well, drift Connection Block production well communicates with the external world.

in another specific embodiment of the present utility model, the middle part of the short transverse of described plug screw mating holes forms internal thread, top forms annular seal space, and bottom is configured to the inlet mouth communicated with described vessel forming cavity, the middle part of the short transverse of described plug screw forms outside screw, top forms sealed step, and the bottom formation has narrow contracting step, described outside screw matches with described internal thread, described sealed step and described annular seal space are sealed and matched, described narrow contracting step probes into described inlet mouth, described exhaust clearance is between the inwall and narrow contracting step of inlet mouth, a described end and the sealed step of described plug screw joint connect.

In another specific embodiment of the present utility model, be provided with a plug screw sealing-ring in described sealed step towards a side of described annular seal space, this plug screw sealing-ring and annular seal space are sealed and matched.

In another specific embodiment of the present utility model, form a plug screw joint matching seat is arranged on described sealed step and in the position corresponding to described ventilating pit, central authorities' formation at this plug screw joint matching seat connects threaded hole, a described end of described plug screw joint forms plug screw joint outside screw, this plug screw joint outside screw with connect the threaded hole thread fit.

Also has a specific embodiment of the present utility model, described drift production well has a sealed step chamber, be embedded with a sealing-ring in sealing step chamber, and the sealing circle leans out that the sealed step chamber contacts with described drift Connection Block and to sealing around described drift Connection Block production well.

More of the present utility model and, in specific embodiment, the width of described exhaust clearance is 0.08-0.22 ㎜.

In of the present utility model and then specific embodiment, form an adapting flange limit is arranged towards an end of described drift Connection Block and around the circumferential direction of the outer wall of drift at described drift, and the drift Connection Block forms towards a side of drift and in the position corresponding to the adapting flange limit Connection Block sealed step matched with the adapting flange limit is arranged, the side surface in this Connection Block sealed step towards the adapting flange limit is equipped with a connecting seat sealing-ring.

Of the present utility model again more and in specific embodiment, be embedded with an end-face seal ring at described drift on the end face of an end of described drift Connection Block, and offer one group of first screw hole with the interval state, and offer one group of second screw hole on the drift Connection Block and in the position corresponding to the first screw hole, be equipped with a screw on each second screw hole, screw screws in the first screw hole.

The technical scheme that the utility model provides is because the middle position of the bottom of the drift cooling chamber at drift has set the air-releasing mechanism communicated with the vessel forming cavity of die ontology, thereby when drift presses to the frit in the vessel forming cavity under the promotion of drift Connection Block, gas in the vessel forming cavity, can be avoided producing bubble and the quality that affects glassware discharged to the external world by air-releasing mechanism effectively; Because air-releasing mechanism can be in time by gas discharging, thereby can accelerate cooling forming speed, not only can enhance productivity but also can embody energy-conservation.

The accompanying drawing explanation

Fig. 1 is sectional view of the present utility model.

The assembling schematic diagram that Fig. 2 is the air-releasing mechanism shown in Fig. 1 and drift.

The A section enlarged view that Fig. 3 is Fig. 1.

The sectional view that Fig. 4 is the mould used of the making glassware in prior art.

Embodiment

For the auditor that the makes Patent Office especially public can be expressly understood technical spirit of the present utility model and beneficial effect more, the applicant general elaborates in the mode of embodiment below, but the description to embodiment is not all the restriction to the utility model scheme, any according to the utility model design, done only for pro forma but not substantial equivalent transformation all should be considered as the technical solution of the utility model category.

Refer to Fig. 1, structure shown in Fig. 1 is for making as the Lid of glass pot of glassware category, but the utility model scheme is not limited to Lid of glass pot, for example also can be used for the various glass bowl covers of moulding and even the moulding various glasswares with stiffening web, etc.Through having gone out a die ontology 1, this die ontology 1 has vessel forming cavity 11.Provided the annex mould 2 with annex chamber 21, under the use state, this annex mould 2 matches with die ontology 1 and corresponding to central authorities' (between two parties) position of the bottom of die ontology 1.Annex forming cavity 21 communicates with vessel forming cavity 11.Take the present embodiment as example, and certainly, aforesaid annex refers in fact cooker lid handle knob (also can claim pot lid handle).

Provided a drift 3 with drift cooling chamber 31, this drift 3 matches with aforementioned vessel forming cavity 11, and be fixedly connected with drift Connection Block 4, drift Connection Block 4 has a joint pin 44 connected with glassware former, make drift 3 liftings by the lifting of joint pin 44, by the location status shown in figure, be that joint pin 44 promotion drifts 3 press to vessel forming cavity 11 at present, make the frit (frit of molten state) be incorporated in vessel forming cavity 11 be shaped to glassware, the present embodiment is shaped to the Lid of glass pot with cooker lid handle knob.

Please emphasis referring to Fig. 2 and continue in conjunction with Fig. 1, as the technical essential of the utility model scheme, in the bottom of the drift cooling chamber 31 of aforesaid drift 3 and the position placed in the middle that is arranged in bottom be that middle position is provided with the gas for vessel forming cavity 11 is produced in moulding process communicated with aforementioned vessel forming cavity 11 and causes extraneous air-releasing mechanism 5.

As shown in Figure 2, position aforementioned placed in the middle in the bottom of drift cooling chamber 31 is middle position, more particularly in the position of the annex forming cavity 21 corresponding to aforesaid annex mould 2, offer a plug screw mating holes 311, the middle part of the short transverse of this plug screw mating holes 311 forms internal thread 3111, top forms annular seal space 3112, and bottom is configured to the inlet mouth 3113 communicated with aforementioned vessel forming cavity 11.Again, the upper end that drift 3 is the shown position state towards an end of aforementioned drift Connection Block 4 forms an adapting flange limit 33, and drift Connection Block 4 forms towards a side of drift 3 and in the position corresponding to adapting flange limit 3 a connecting seat sealed step 42 is arranged, be equipped with a connecting seat sealing-ring 421 on this Connection Block sealed step 42, make by this Connection Block sealing-ring 421 to form sealing (Fig. 1 shows) between the edge of the edge of drift Connection Block 4 and drift Connection Block 4.

Be embedded with an end-face seal ring 34 on the end face of an end of drift Connection Block 4 at drift 3, and the circumferential direction around the end face of drift 3 on the end face of this end offers one group of first screw hole 35 with the interval state, and offer one group of second screw hole 43 on drift Connection Block 4 and in the position corresponding to the first screw hole 35, be equipped with a screw 431 on each second screw hole 43, by screw 431 screws in the first screw holes 35, drift Connection Block 45 and drift 3 both formation be sealedly and fixedly connected.Here alleged being sealedly and fixedly connected refers to by end-face seal ring 34 and as the Connection Block sealing-ring 421 of auxiliary seal and plays aforesaid drift cooling chamber 31 sealings, to avoid the heat-eliminating medium in drift cooling chamber 31 to release, heat-eliminating medium mainly refers to water, but definitely is not limited to water.Again, offer a drift production well 32 communicated with the following air-releasing mechanism that also will describe in detail 5 in drift 3 upper ends, the place, air outlet of this drift production well 32 forms sealed step chamber 321, be embedded with sealing-ring 3211 in sealing step chamber 321, and sealing circle 3211 is slightly to lean out sealed step chamber 32.And, offer a drift Connection Block production well 41 on aforesaid drift Connection Block 4 and in the position corresponding to drift production well 32, this drift Connection Block production well 41 communicates with drift production well 32, specifically, after drift Connection Block 4 is fixing by aforesaid one group of screw 431 and the first screw hole 35 on drift 3, this drift Connection Block production well 41 is tending towards the state (Fig. 1 shows) coincided with drift production well 32, and slightly with the sealing-ring 3211 that leans out sealed step chamber 321, plays excellent sealing function.

As preferred scheme, in order to meet the complete processing requirement, aforesaid drift production well 32 connects drift cooling chamber 31 by the cross-drilled hole 322 communicated with it, and be positioned at or claim at this cross-drilled hole 322 and be fixed with a joint 3221 towards the position, aperture of drift cooling chamber 31, by this joint 3221 realize with air-releasing mechanism 5 between be connected.

At the utility model under the use state, also can connect at aforesaid drift Connection Block production well 41 end of a gas fairlead (not shown), and the other end of this gas fairlead is connected with negative pressure device, negative pressure device is as negative pressure pump or similar parts.The heat-eliminating medium of aforesaid drift 3 circulates, and specifically by the circulation line guarantee be configured on drift 3, owing to being known technology, so the applicant does not illustrate in the drawings.

ask for an interview Fig. 3 and emphasis in conjunction with Fig. 2, the air-releasing mechanism 5 that the above repeatedly mentions preferably but not the structure definitely be limited to is as follows: comprise plug screw 51, plug screw joint 52 and vapor pipe 53, plug screw 51 matches with aforesaid plug screw mating holes 311 with thread fiting mode, with aforesaid internal thread 311 screw threads, connect, and and maintain the exhaust clearance 6 that width is preferably 0.08-0.22 ㎜ between the hole wall of plug screw mating holes 311 (inwall), the width preferably of exhaust clearance 6 is 0.1-0.2 ㎜, be 0.14-0.18 ㎜ better, be preferably 0.15-0.16 ㎜ (the present embodiment is 0.15-0.16 ㎜), exhaust clearance 6 communicates with aforementioned vessel forming cavity 11.Form a bleed groove 511 is arranged towards an end of aforementioned annex mould 2 and around the circumferential direction of plug screw 51 at plug screw 51, circumferential direction around this bleed groove 511 offers one group of venting hole 5111 with the interval state, central authorities in the short transverse of plug screw 51 also offer a ventilating pit 512, and this ventilating pit 512 extends to the corresponding position of aforementioned venting hole 5111.The end that one end of plug screw joint 52 and plug screw 51 deviate from aforementioned annex mould 2 connects, and with under the shown position state towards a upper end, connects, and communicates with venting hole 512.One end of vapor pipe 53 and the other end of plug screw joint 52 connect, and the other end of vapor pipe 53 is fixedly connected with aforementioned joint 3221.

Please continue to see Fig. 1 to Fig. 3, form outside screw 513 is arranged at the middle part of the short transverse of aforementioned plug screw 51, top forms sealed step 514, and the bottom formation has narrow contracting step 512, outside screw 513 matches with aforementioned internal thread 3111, thereby plug screw 51 is fixedly connected with the plug screw mating holes 311 of drift 3, sealed step 514 is sealed and matched with aforementioned annular seal space 3112, specifically: be provided with a plug screw sealing-ring 5141 on sealed step 514, by this plug screw sealing-ring 5141, play desirable sealing function.Narrow contracting step 512 probes into aforementioned inlet mouth 3113, and as shown in Figure 3, aforesaid exhaust clearance 6 is formed between the outer wall of the inwall of inlet mouth 3113 and narrow contracting step 515.

As shown in Figure 2, aforesaid sealed step 514 towards on the end face of an end on and form a plug screw joint matching seat 5142 arranged in the position one corresponding to aforementioned ventilating pit 512, central authorities' formation at this plug screw joint matching seat 5142 connects threaded hole 51421, and an aforementioned end of plug screw joint 52 forms towards an end of plug screw 51 plug screw joint outside screw 521 is arranged, this plug screw joint outside screw 521 with connect threaded hole 51421 thread fit.Preferably, the outer wall of aforesaid plug screw joint matching seat 5142 forms sexangle, in order to as spanner, plug screw 51 is screwed to plug screw mating holes 311 by instrument.

the applicant describes use of the present utility model, the interior introducing of vessel forming cavity 11 at die ontology 1 has under the state of frit, by the glassware former tool, make drift Connection Block 4 descending, drive drift 3 towards vessel forming cavity 11 displacements (descending) by drift Connection Block 4, in this process, be positioned at the gas of vessel forming cavity 11, the air accumulated in corresponding to annex forming cavity 21 places just enters exhaust clearance 6 from inlet mouth 3113, because exhaust clearance 6 communicates with bleed groove 511, therefore the air entered in exhaust clearance 6 enters bleed groove 511, again because one group of venting hole 5111 communicates with bleed groove 511, and communicate with ventilating pit 512, therefore the gas entered in bleed groove 511 enters ventilating pit 512 through venting hole 5111, also because plug screw joint 52 communicates with ventilating pit 512 and vapor pipe 53 simultaneously, therefore the gas entered in ventilating pit 512 enters vapor pipe 53 through plug screw joint 52, enter the interior gas of vapor pipe 53 successively by way of cross-drilled hole 322, drift production well 32 and drift Connection Block production well 41 cause the external world, thereby can effectively avoid gas hold-up in vessel forming cavity 11 and affect the quality that glassware is the present embodiment Lid of glass pot of putting to the proof.

In sum, the technical scheme that the utility model provides has solved the shortcoming in the prior art effectively, has completed the invention task, has objectively embodied the technique effect described in the superincumbent technique effect of applicant hurdle.

Claims (9)

1. a kind of mould of making glassware, comprise the die ontology (1) with vessel forming cavity (11), annex mould (2) with annex forming cavity (21), drift (3) and drift Connection Block (4) with drift cooling chamber (31), annex mould (2) matches with die ontology (1) and corresponding to the middle position of the bottom of die ontology (1), drift (3) is fixedly connected with drift Connection Block (4), and match with the vessel forming cavity (11) of described die ontology (1), the central part that it is characterized in that in the bottom of the drift cooling chamber (31) of described drift (3) and occupy bottom is provided with the gas for by vessel forming cavity (11) communicated with described vessel forming cavity (11) and leads to extraneous air-releasing mechanism (5).

2. the mould of making glassware according to claim 1, it is characterized in that offering a plug screw mating holes (311) at the middle position of the described bottom of the drift cooling chamber (31) of described drift (3), described air-releasing mechanism (5) comprises plug screw (51), plug screw joint (52) and vapor pipe (53), plug screw (51) matches with described plug screw mating holes (311) with thread fiting mode, and and maintain exhaust clearance (6) between the hole wall of plug screw mating holes (311), this exhaust clearance (6) communicates with described vessel forming cavity (11), form a bleed groove (511) is arranged towards an end of described annex mould (2) and around the circumferential direction of plug screw (51) at this plug screw (51), circumferential direction around this bleed groove (511) offers one group of venting hole (5111) with the interval state, central authorities in the short transverse of plug screw (51) offer a ventilating pit (512), this ventilating pit (512) extends to the position corresponding with described venting hole (5111), the gas of introducing from described exhaust clearance (6) enters ventilating pit (512) through air discharge duct (511) and venting hole (5111) successively, the end that one end of plug screw joint (52) and plug screw (51) deviate from described annex mould (2) connects, and communicate with described venting hole (512), the other end of one end of vapor pipe (53) and plug screw joint (52) connects, and the other end of vapor pipe (53) is fixed on described drift (3), wherein: offer a drift production well (32) on this drift (3), and go up and offer in the position corresponding to drift production well (32) a drift Connection Block production well (41) at described drift Connection Block (4), the described the other end of described vapor pipe (53) is corresponding with drift production well (32) and communicate, and drift production well (32) communicates with drift Connection Block production well (41), drift Connection Block production well (41) communicates with the external world.

3. the mould of making glassware according to claim 2, the middle part formation that it is characterized in that the short transverse of described plug screw mating holes (311) has internal thread (3111), top forms annular seal space (3112), and bottom is configured to the inlet mouth (3113) communicated with described vessel forming cavity (11), the middle part of the short transverse of described plug screw (51) forms outside screw (513), top forms sealed step (514), and the bottom formation has narrow contracting step (515), described outside screw (513) matches with described internal thread (3111), described sealed step (514) is sealed and matched with described annular seal space (3112), described narrow contracting step (515) probes into described inlet mouth (3113), described exhaust clearance (6) is positioned between the inwall and narrow contracting step (515) of inlet mouth (3113), a described end and the sealed step (514) of described plug screw joint (52) connect.

4. The mould of making glassware according to claim 1, it is characterized in that being provided with a plug screw sealing-ring (5141) in described sealed step (514) towards a side of described annular seal space (3112), this plug screw sealing-ring (5141) is sealed and matched with annular seal space (3112).

5. The mould of making glassware according to claim 3, it is characterized in that upper in described sealed step (514) and form a plug screw joint matching seat (5142) is arranged in the position corresponding to described ventilating pit (512), central authorities' formation at this plug screw joint matching seat (5142) connects threaded hole (51421, a described end of described plug screw joint (52) forms plug screw joint outside screw (521), this plug screw joint outside screw (521) with connect threaded hole (51421) thread fit.

6. The mould of making glassware according to claim 2, it is characterized in that described drift production well (32) has a sealed step chamber (321), be embedded with a sealing-ring (3211) in sealing step chamber (321), and sealing circle (3211) leans out that sealed step chamber (321) contacts with described drift Connection Block (4) and to sealing around described drift Connection Block production well (41).

7. According to the mould of the described making glassware of claim 2 or 3, the width that it is characterized in that described exhaust clearance (6) is 0.08-0.22 ㎜.

8. The mould of making glassware according to claim 1 and 2, it is characterized in that forming an adapting flange limit (33) being arranged towards an end of described drift Connection Block (4) and around the circumferential direction of the outer wall of drift (3) at described drift (3), and drift Connection Block (4) forms towards a side of drift (3) and in the position corresponding to adapting flange limit (33) a Connection Block sealed step (42) matched with adapting flange limit (33) is arranged, at the side surface of this Connection Block sealed step (42) towards adapting flange limit (33), be equipped with a connecting seat sealing-ring (421).

9. The mould of making glassware according to claim 1 and 2, it is characterized in that being embedded with on the end face of an end of described drift Connection Block (4) at described drift (3) end-face seal ring (34), and offer one group of first screw hole (35) with the interval state, and go up and offer in the position corresponding to the first screw hole (35) one group of second screw hole (43) at drift Connection Block (4), be equipped with a screw (431) on each second screw hole (43), screw (431) screws in the first screw hole (35).

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