CN201566126U - Ball-shaped multi-pass blow molding mould of PE pipe fitting - Google Patents
Ball-shaped multi-pass blow molding mould of PE pipe fitting Download PDFInfo
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- CN201566126U CN201566126U CN2009202016899U CN200920201689U CN201566126U CN 201566126 U CN201566126 U CN 201566126U CN 2009202016899 U CN2009202016899 U CN 2009202016899U CN 200920201689 U CN200920201689 U CN 200920201689U CN 201566126 U CN201566126 U CN 201566126U
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- pipe fitting
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- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
The utility model belongs to the technical field of pipe fitting molding moulds, in particular to a ball-shaped multi-pass blow molding mould of a PE pipe fitting. The molding mould comprises a cavity. The molding mould is characterized in that the cavity is provided with an air inlet, and a parting surface of the cavity respectively passes through a branch port of a corresponding mould. In the ball-shaped multi-pass blow molding mould, the parting surface of the cavity respectively passes through the branch port of the corresponding mould, and the structure of the cavity is designed to be two-open, three-open and four-open mould structures according to the shape of a product, so that the molding mould is matched with an inlet extracting core of an oil cylinder to effectively guarantee that the product is smoothly demolded and the wall depth of the part is even; the molding mould is matched with a proper knife edge to guarantee that the parting surface has flatness, beauty and jointing intensity; the transition of the product adopts a large circular angle, so that the molding mould guarantees the relative equality of the wall depth of the product during blow molding; the cavity of the mould is internally provided with a plurality of exhaust grooves and exhaust holes, and the gas in the cavity can be exhausted through an exhaust passage, so that the molding mould guarantees that the middle of the product can not be ballooned; and the product adopting the mould has even wall depth, attractive appearance and stable and reliable quality.
Description
Technical field
The utility model belongs to the formation of tubes technical field of mold, is specially a kind of PE pipe fitting ball-type and leads to blow molding mould more.
Background technology
The use field of PE pipe is extensive, and special is the regeneration product of polyvinyl-chloride drainage pipe and cast iron pipe drainpipe in the draining field.In recent years the PE pipeline has obtained rapidly development at drainage pipeline, so the requirement aspect pipe fitting also more and more trends towards functionalization, the instructions for use and the structural design of all kinds of pipe fittings has also been proposed higher more professional requirement.
PE pipe fitting ball-type is how logical to be mainly used in the construction drainage, generally be used in each layer of skyscraper/the standpipe junction, as required product-forming can multi-angle, many mouths.How logical traditional handicraft is to adopt the injection moulding spheroid to dock moulding process twice with multistage pipeline section hot melt to the special pipe fitting sphere of co-layer draining, the product sequence of this explained hereafter is many, quality is difficult for guaranteeing, production cost is than higher simultaneously, profile is not attractive in appearance yet, the water conservancy condition is not good, adopts blow molding process can overcome above shortcoming fully.But because each of structure is different in nature to how, so in the blow mold design, there is many difference with common blow mold.The product that adopts common mould structure to produce can exist the die joint place to connect weak, defectives such as product size is nonstandard, quality stability difference.
The utility model content
At problems of the prior art, the purpose of this utility model is to provide a kind of PE pipe fitting ball-type to lead to the technical scheme of blow molding mould more.
Described PE pipe fitting ball-type leads to blow molding mould more, comprises die cavity, it is characterized in that on the described die cavity air inlet being set, and the die cavity die joint props up mouth through corresponding mould respectively.
Described PE pipe fitting ball-type leads to blow molding mould more, it is characterized in that on the described die cavity die joint edge of a knife being set.
Above-mentioned PE pipe fitting ball-type leads to blow molding mould more, the die cavity die joint props up mouth through corresponding mould respectively, cavity structure is set to two open, three opens and four open die structures according to the product appearance shape, cooperates oil cylinder to advance to loose core, and has guaranteed that effectively the wall thickness of the smooth demoulding of product and parts is even; The design air inlet port size has guaranteed the stability of pressure in the blowing; Cooperate the suitable edge of a knife, guarantee the smooth attractive in appearance and sealing strength of die joint; The product design transition position adopts big round-corner transition, and the product wall thickness is even relatively in the assurance blowing process; Uniform cooling water channel is set in the mold cavity, and every water route independent loops, guaranteed that well the cooling of die cavity is all even efficient; Offer a plurality of air discharge ducts and steam vent in the mold cavity, the gas that is trapped in the die cavity the inside can be discharged by the exhaust passage, bulging can not occur in the middle of the product; The product wall thickness that adopts this mould to make is even, dimensionally stable, good looking appearance, steady quality, reliable.
Description of drawings
Fig. 1 is the structural representation of the utility model parts one;
Fig. 2 is the structural representation of the utility model parts two;
Fig. 3 is the structural representation of the utility model parts three.
The specific embodiment
Below in conjunction with Figure of description the utility model is described further:
As Figure 1-3, PE pipe fitting ball-type leads to blow molding mould more, parts two, parts three are equipped with parts one, comprise die cavity 1, air inlet 2 is set on the die cavity 1, the size of air inlet 2 is by small product size and the decision of product length ratio, offer a plurality of air discharge ducts and steam vent in the die cavity 1, uniform cooling water channel is set in the die cavity 1, and every water route independent loops, guaranteed that well the cooling of die cavity 1 is all even efficient; On die cavity 1 die joint edge of a knife is set, width, the degree of depth and the angle of the science design edge of a knife; The product design transition position adopts big round-corner transition, and the product wall thickness is even relatively in the assurance blowing process; Die cavity 1 die joint props up mouth 3 through corresponding mould respectively; Die cavity 1 structure is provided with according to the product appearance shape, and according to 180 ° many mouth isoplanars of angle structure, mould is set to two-opening type; Die cavity 1 structure is provided with according to the product appearance shape, and according to 90 ° of angles and 135 ° many mouthfuls distribution multi-plane structures, mould is set to three and opens or four open types.
According to the basic principle of extrusion-blown modling, the type embryo is even substantially in the initial wall thickness of die joint place type embryo forming, and along with the inflation of type embryo, product surface is long-pending just big more, and the melt that unit are is got is few more, and wall thickness is thin more.The three-open type mould has effectively avoided placing in the design of common two open dies two mouthfuls of fickle partially conditions of wall thickness on the die cavity 1 (non-die joint), guarantee the wall thickness unanimity of four mouths, and can guarantee a certain-length of mouth, also solve the problem of leading to the demoulding difficulty of structure as 135 ° of grades more simultaneously effectively.
Mould structure of the present utility model is an example with 90 ° of ball-type four-ways, and this mould is to take the design of three-open type mould structure, cooperates the loose core of oil cylinder that the cavity motion-promotion force is provided.The wall thickness by device for adjusting wall thickness control extrusion type embryo (the long-pending big place of product cross section require the type germ wall is thick wants thick point) at first, the synchronous mold closing that core action control guarantees three parts effectively that is drawn into that cooperates machine again, design the width of the edge of a knife again by science, the degree of depth and angle and product design transition position adopt big round-corner transition, the product wall thickness is even relatively in the assurance blowing process, the smooth attractive in appearance and sealing strength of die joint, fit into the stability that gas port 2 air blowings guarantee air pressure inside simultaneously, in conjunction with cavity cooling water channel evenly and independently, guaranteed that the product contraction distortion is little, dimensionally stable, out-of-roundness can be controlled in the product margin of tolerance.
The how logical blow molding mould of above-mentioned PE pipe fitting ball-type, die cavity 1 structure is set to two open, three opens and four open die structures according to the product appearance shape, cooperates oil cylinder to advance to loose core, and has guaranteed that effectively the wall thickness of the smooth demoulding of product and parts is even; Design air inlet 2 sizes have guaranteed the stability of pressure in the blowing; Cooperate the suitable edge of a knife, guarantee the smooth attractive in appearance and sealing strength of die joint; The product design transition position adopts big round-corner transition, and the product wall thickness is even relatively in the assurance blowing process; Uniform cooling water channel is set in the mold cavity, and every water route independent loops, guaranteed that well the cooling of die cavity 1 is all even efficient; Offer a plurality of air discharge ducts and steam vent in the mold cavity 1, the gas that is trapped in die cavity 1 the inside can be discharged by the exhaust passage, bulging can not occur in the middle of the product; The product wall thickness that adopts this mould to make is even, dimensionally stable, good looking appearance, steady quality, reliable.
Claims (2)
1.PE the pipe fitting ball-type leads to blow molding mould more, comprises die cavity (1), it is characterized in that being provided with on the described die cavity (1) air inlet (2), die cavity (1) die joint props up mouthful (3) through corresponding mould respectively.
2. PE pipe fitting ball-type according to claim 1 leads to blow molding mould more, it is characterized in that on described die cavity (1) die joint edge of a knife being set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202016899U CN201566126U (en) | 2009-12-14 | 2009-12-14 | Ball-shaped multi-pass blow molding mould of PE pipe fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202016899U CN201566126U (en) | 2009-12-14 | 2009-12-14 | Ball-shaped multi-pass blow molding mould of PE pipe fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201566126U true CN201566126U (en) | 2010-09-01 |
Family
ID=42658411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202016899U Expired - Lifetime CN201566126U (en) | 2009-12-14 | 2009-12-14 | Ball-shaped multi-pass blow molding mould of PE pipe fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201566126U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113085145A (en) * | 2021-04-13 | 2021-07-09 | 沧州市永高农牧机械科技有限公司 | Blanking three-way blow molding die |
| CN113414965A (en) * | 2021-05-29 | 2021-09-21 | 萍乡爱贝斯特实业有限公司 | Blow mold capable of effectively improving joint line strength |
-
2009
- 2009-12-14 CN CN2009202016899U patent/CN201566126U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113085145A (en) * | 2021-04-13 | 2021-07-09 | 沧州市永高农牧机械科技有限公司 | Blanking three-way blow molding die |
| CN113414965A (en) * | 2021-05-29 | 2021-09-21 | 萍乡爱贝斯特实业有限公司 | Blow mold capable of effectively improving joint line strength |
| CN113414965B (en) * | 2021-05-29 | 2024-03-15 | 江西爱贝斯特材料科技有限公司 | Blowing mould capable of effectively improving mould closing line strength |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100901 |
|
| CX01 | Expiry of patent term |