CN105216202A - A kind of quick cooling die of plastic shaping lid and the processing technology of thread core - Google Patents
A kind of quick cooling die of plastic shaping lid and the processing technology of thread core Download PDFInfo
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- CN105216202A CN105216202A CN201510743652.9A CN201510743652A CN105216202A CN 105216202 A CN105216202 A CN 105216202A CN 201510743652 A CN201510743652 A CN 201510743652A CN 105216202 A CN105216202 A CN 105216202A
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Abstract
The present invention relates to technical field of mold, specifically disclose a kind of quick cooling die of plastic shaping lid, comprise thread core, described thread core is provided with the first accommodating cavity, described first accommodating cavity is equiped with molding insert, also be provided with between described molding insert and thread core and transport water adjusting part, between described fortune water adjusting part and the inwall of the first accommodating cavity, there is cooling gap, described molding insert is connected with cooling water pipe, described fortune water adjusting part is provided with blasthole and apopore, the cooling water of described cooling water pipe passes through molding insert successively, blasthole, cooling gap and apopore, the outside of described cooling water pipe with there is between thread core the exhalant canal communicated with apopore, this cooling die good cooling results, reduce molding cycle, improve production efficiency, present invention also offers a kind of processing technology of thread core, this processing have technique simple, be easy to manufacture and advantage that the intensity of thread core is high.
Description
Technical field
The present invention relates to technical field of mold, particularly relate to a kind of quick cooling die of plastic shaping lid and the processing technology of thread core.
Background technology
Along with the rhythm of modern society is constantly accelerated, a large amount of plasthetics has been there is in the articles for daily use of people, due to the extensive use of plastic products, within the following quite a long time, its plastic products still can as part important in people's productive life, for plastic containers, because plastics have low price, be easy to advantage shaping and easy to use, it is applied in different container industry more and more widely, particularly most of bottled container, such as: mineral water bottle, beverage bottle etc., the structure of these bottles is primarily of body and pilferproof closure composition, at present, mainly blow molding is adopted for body, and pilferproof closure mainly contains injection moulding and these two kinds of prototyping method of compression moulding, wherein injection mo(u)lding is applicable to the production of small lot, its production per minute is approximately about 10PCS, generally compression moulding is adopted for large batch of production, its bottle cap can producing about 900 ~ 1000PCS per minute, but, because compacting assembly is when producing, depend on the pressing and forming of patrix and counterdie, then cooling is carried out and the demoulding primarily of patrix, on present production efficiency basis, if the speed production cycle further, bottle cap is often caused to cool bad, and then there is larger shrinkage factor, affect the use of bottle cap, at present, the production efficiency of compression moulding at most only can reach 1100PCS/ minute, in view of this, inventor is through test repeatedly and demonstration, improvement has been made to mould structure.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, a kind of quick cooling die of plastic shaping lid is provided, the advantage that this cooling die has good cooling results, reduces molding cycle and enhance productivity; Present invention also offers a kind of processing technology of thread core, this processing technology have technique simple, be easy to manufacture and advantage that the intensity of thread core is high.
For achieving the above object, the quick cooling die of a kind of plastic shaping lid of the present invention, comprise thread core, described thread core is provided with the first accommodating cavity, described first accommodating cavity is equiped with molding insert, also be provided with between described molding insert and thread core and transport water adjusting part, between described fortune water adjusting part and the inwall of the first accommodating cavity, there is cooling gap, described molding insert is connected with cooling water pipe, described fortune water adjusting part is provided with blasthole and apopore, the cooling water of described cooling water pipe passes through molding insert successively, blasthole, cooling gap and apopore, the outside of described cooling water pipe with there is between thread core the exhalant canal communicated with apopore.
Further, described fortune water adjusting part comprises fortune water part and regulating part, described fortune water part is provided with the second accommodating cavity, described regulating part is arranged in the second accommodating cavity, annular diversion trench is provided with between described fortune water part and regulating part, described annular diversion trench communicates with blasthole, and described regulating part is provided with the flow-guiding channel for the cooling water by molding insert being guided into annular diversion trench.
As preferably, the outer wall of described fortune water part is evenly distributed with some groups of fortune aquaporins, and described blasthole and apopore are arranged at water inlet end and the water side of fortune aquaporin respectively.
And further, described fortune aquaporin comprises input section and deferent segment, one end of described fortune water part is provided with the first circulating water chennel, the other end of described fortune water part is provided with the second circulating water chennel communicated with exhalant canal, described input section communicates with the first circulating water chennel, one end of described deferent segment communicates with the first circulating water chennel, and the other end of described deferent segment communicates with the second circulating water chennel.
As preferably, the inlet opening that described molding insert is provided with annular cooling bath and communicates with annular cooling bath, described flow-guiding channel is tilting passage, and described tilting passage end communicates with annular cooling bath, and the other end of described tilting passage communicates with annular diversion trench.
Further, the wall thickness of described first accommodating cavity is 0.35 ~ 1.05mm.
Further, be provided with interior plug forming cavity between the bottom of described molding insert and thread core, described molding insert is also provided with the mould emptier of blowing for inwardly filling in forming cavity.
As preferably; described mould emptier comprises gas blow pipe; described gas blow pipe is embedded in cooling water pipe; the port of export of described gas blow pipe is provided with seal groove; described seal groove is equiped with sealing ring, several steam vents that described molding insert is provided with point air drain and communicates with point air drain, and the port of export of described gas blow pipe is connected with molding insert and communicates with a point air drain; the external peripheral surface of described molding insert is provided with annular gas tank, has gas gap of escaping between described annular gas tank and interior plug forming cavity.
Further, described molding insert, fortune water adjusting part are all threaded with thread core.
A processing technology for thread core, described processing technology comprises the steps:
S1. raw material is carried out the shaping and reserved allowance of roughing, form thread core semi-finished product;
S2. thread core semi-finished product are heat-treated;
S3. the half-finished profile of fine finishining thread core;
S4. the half-finished outer surface of double thread core carries out high temperature titanizing process;
S5. the half-finished inwall of fine finishining thread core;
S6. machine.
Beneficial effect of the present invention: compared with prior art, the quick cooling die of a kind of plastic shaping lid of the present invention, this cooling die operationally, send into from cooling water pipe by cooling water, then successively by molding insert, blasthole, cooling gap and apopore, because cooling gap is between fortune water adjusting part and the inwall of the first accommodating cavity, so cooling water can form cooling effect, its good cooling results by double thread core fast, reduce molding cycle, improve production efficiency; Present invention also offers a kind of processing technology of thread core; Utilize this processing technology to be conducive to the machining control of the thread core to thin wall type, in process, not yielding, its technique intensity that is simple, that be easy to manufacture and thread core is high.
Accompanying drawing explanation
Fig. 1 is the stereogram of cooling die of the present invention.
Fig. 2 is the sectional view of cooling die of the present invention.
Fig. 3 is the A place enlarged drawing of Fig. 2.
Fig. 4 is the B place enlarged drawing of Fig. 3.
Fig. 5 is the sectional view of thread core of the present invention.
Fig. 6 is the stereogram of molding insert of the present invention.
Fig. 7 is the sectional view of molding insert of the present invention.
Fig. 8 is the stereogram that the present invention transports water part.
Fig. 9 is the stereogram of regulating part of the present invention.
Figure 10 is the stereogram of gas blow pipe of the present invention
Figure 11 is the processing process figure of thread core of the present invention.
Reference numeral comprises:
Thread core--1, first accommodating cavity--11, molding insert--2,
Annular cooling bath--21, inlet opening--22, point air drain--23,
Steam vent--24, annular gas tank--25, fortune water adjusting part--3,
Fortune water part--31, blasthole--311, apopore--312,
Second accommodating cavity--the 313, first circulating water chennel--314, second circulating water chennel--315,
Regulating part--32, flow-guiding channel--321, annular diversion trench--33,
Fortune aquaporin--34, input section--341, deferent segment--342,
Cooling gap--41, exhalant canal--42, ease gas gap--43,
Cooling water pipe--5, interior plug forming cavity--6, mould emptier--7,
Gas blow pipe--71, seal groove--72, sealing ring--73,
Extension--8, draw joint--81, fairlead--82.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail.
See Fig. 1 to Figure 10, a kind of quick cooling die of plastic shaping lid, comprise thread core 1, described thread core 1 is provided with the first accommodating cavity 11, described first accommodating cavity 11 is equiped with molding insert 2, also be provided with between described molding insert 2 and thread core 1 and transport water adjusting part 3, between described fortune water adjusting part 3 and the inwall of the first accommodating cavity 11, there is cooling gap 41, described molding insert 2 is connected with cooling water pipe 5, described fortune water adjusting part 3 is provided with blasthole 311 and apopore 312, the cooling water of described cooling water pipe 5 is successively by molding insert 2, blasthole 311, cooling gap 41 and apopore 312, the outside of described cooling water pipe 5 with there is between thread core 1 exhalant canal 42 communicated with apopore 312.The operation principle of this mould is: described cooling water pipe 5 is connected with outside, during work, cooling water is sent into from cooling water pipe 5, then successively by molding insert 2, blasthole 311, cooling gap 41 and apopore 312, because cooling gap 41 is between fortune water adjusting part 3 and the inwall of the first accommodating cavity 11, so, cooling water can form cooling effect by double thread core 1 fast, its good cooling results, reduces molding cycle, improves production efficiency; When cooling water exports from apopore 312, then exhalant canal 42 is entered, the output of this exhalant canal 42 is provided with extension 8, the tail end of described extension 8 is connected with draws joint 81, this extraction joint 81 is provided with fairlead 82, and this fairlead 82 generally can be provided with screwed hole or quick blocked hole, thus is conducive to the connection of water pipe, cooling water enters extension 8 from exhalant canal 42, and the fairlead 82 of the extraction joint 81 then arranged at the tail end of extension 8 exports outside to; In sum, when utilizing this mould to carry out compression molding, make the production cycle be reduced to 2.2 seconds by original 2.5 seconds, meanwhile, reduce shrink ratio, can production efficiency be significantly improved.
In the technical program, described fortune water adjusting part 3 comprises fortune water part 31 and regulating part 32, described fortune water part 31 is provided with the second accommodating cavity 313, described regulating part 32 is arranged in the second accommodating cavity 313, annular diversion trench 33 is provided with between described fortune water part 31 and regulating part 32, described annular diversion trench 33 communicates with blasthole 311, and described regulating part 32 is provided with the flow-guiding channel 321 for the cooling water by molding insert 2 being guided into annular diversion trench 33.During assembling, regulating part 32 is loaded in the second accommodating cavity 313, cooling water enters annular diversion trench 33 from flow-guiding channel 321, all cooling water is full of by whole annular diversion trench 33, cooling water enters blasthole 311 under certain hydraulic pressure effect, thus the contact internal walls of cooling water and thread core 1 is realized cooling, the hydraulic pressure that this fortune water assembly utilizes flow-guiding channel 321 to concentrate formation larger cooling water, dispersed cooling water is realized in annular diversion trench 33, reach the Homogeneous cooling effect of mould, thus make the molding control of product more accurate, its washing shrinkage keeps basically identical.
Further, the outer wall of described fortune water part 31 is evenly distributed with some groups of fortune aquaporins 34, and described blasthole 311 and apopore 312 are arranged at water inlet end and the water side of fortune aquaporin 34 respectively.In this programme, described fortune aquaporin 34 has eight groups, and its each group fortune aquaporin 34 is provided with blasthole 311 and apopore 312.Cooling water moves along fortune aquaporin 34, and double thread core 1 forms better cooling effect, certainly, according to the difference of die size, those skilled in the art, under the enlightenment of this programme, also easily expect the fortune aquaporin 34 increasing greater number, therefore, do not stating one by one at this.
For fortune aquaporin 34, specifically, described fortune aquaporin 34 comprises input section 341 and deferent segment 342, one end of described fortune water part 31 is provided with the first circulating water chennel 314, the other end of described fortune water part 31 is provided with the second circulating water chennel 315 communicated with exhalant canal 42, described input section 341 communicates with the first circulating water chennel 314, and one end of described deferent segment 342 communicates with the first circulating water chennel 314, and the other end of described deferent segment 342 communicates with the second circulating water chennel 315.Cooling water enters input section 341 from blasthole 311 and moves downward, enter the first circulating water chennel 314, cooling water in the first circulating water chennel 314 enters deferent segment 342, cooling water enters the second circulating water chennel 315 from deferent segment 342, and the cooling water of the second circulating water chennel 315 enters in exhalant canal 42, export thereupon, owing to being provided with the first circulating water chennel 314 and the second circulating water chennel 315 in this programme, first circulating water chennel 314 is conducive to gathering of cooling water and circulates, and the second circulating water chennel 315 can make cooling water enter in exhalant canal 42 uniformly, avoid the problem occurring that larger pressure or water outlet are not smooth.
And further, the inlet opening 22 that described molding insert 2 is provided with annular cooling bath 21 and communicates with annular cooling bath 21, described flow-guiding channel 321 is tilting passage, described tilting passage end communicates with annular cooling bath 21, and the other end of described tilting passage communicates with annular diversion trench 33.When shaping, described molding insert 2 directly can contact with thermoplastic cement is large-area, thus the temperature of molding insert 2 is raised, in this programme, cooling water enters from inlet opening 22, annular cooling bath 21 is entered under the barrier effect of regulating part 32, utilize annular cooling bath 21 can direct cooling forming inserts 2, cooling water is introduced in annular diversion trench 33 by recycling tilting passage, and then double thread core 1 cools, this programme utilizes a set of cooling system double thread core 1 and molding insert 2 to cool simultaneously, and kill two birds with one stone, cooling effect is good.
In the technical program, the wall thickness of described first accommodating cavity 11 is 0.35 ~ 1.05mm.Outer surface due to thread core 1 has forming thread groove, and the wall thickness D1 of outer surface to the first accommodating cavity 11 of described thread core 1 is 1.05mm, and the wall thickness D2 of described forming thread groove to the first accommodating cavity 11 is 0.35mm.Like this, the close shaped article that the cooling water in cooling gap 41 is near as far as possible can be made, best cooling effect is reached to shaped article.
Usually; a large amount of bottle caps conveniently with saving cost; all to consider in the inside of bottle cap the directly one-body molded bottle cap with interior plug; therefore; in the technical program; be provided with interior plug forming cavity 6 between the bottom of described molding insert 2 and thread core 1, described molding insert 2 is also provided with the mould emptier 7 of blowing for inwardly filling in forming cavity 6.During compression molding, utilize mould emptier 7 can make shaped article mould separation fast.
Specifically; described mould emptier 7 comprises gas blow pipe 71; described gas blow pipe 71 is embedded in cooling water pipe 5; the port of export of described gas blow pipe 71 is provided with seal groove 72; described seal groove 72 is equiped with sealing ring 73; several steam vents 24 that described molding insert 2 is provided with point air drain 23 and communicates with point air drain 23; the port of export of described gas blow pipe 71 is connected with molding insert 2 and communicates with a point air drain 23; the external peripheral surface of described molding insert 2 is provided with annular gas tank 25, has gas gap 43 of escaping between described annular gas tank 25 and interior plug forming cavity 6.When after compression molding, described gas blow pipe 71 passes into compressed air, and compressed air enters point air drain 23, enter steam vent 24 thereupon, and the excircle of molding insert 2 is provided with annular gas tank 25, shaped article is blown out by ease gas gap 43 at annular gas tank 25 by compressed air, realizes the demoulding; Because this gas blow pipe 71 is arranged in cooling water pipe 5, described sealing ring 73 can also effectively prevent cooling water from infiltrating in point air drain 23, effectively avoids seepy question, improves the reliability of mould.
In the technical program, described molding insert 2, fortune water adjusting part 3 are all threaded with thread core 1.This mode be threaded is conducive to manufacture and the assembling of mould, and meanwhile, its stable connection, is applicable to high-speed molding and produces.
See Figure 11, present invention also offers a kind of processing technology of thread core.
Embodiment one.
This processing technology comprises the steps:
S1. raw material is carried out the shaping and reserved allowance of roughing, form thread core semi-finished product; Now, because the internal stress of raw material is comparatively large, in this step, the half-finished inwall surplus of described thread core is 1.2mm, and the allowance of remainder is 0.4mm, can prevent the half-finished inside of thread core from occurring machining deformation because internal stress is larger like this;
S2. thread core semi-finished product are heat-treated; Described heat treatment comprises quenching, for the first time high tempering successively, second time high tempering, for the third time high tempering and the degree of depth cool fast, the half-finished hardness of thread core is made to reach 48HRC after described quenching, described first time high tempering, second time high tempering and third time high tempering temperature be 570 degrees Celsius, the temperature that the described degree of depth cools fast is-180 degrees Celsius, and cool time is 1.8 hours;
S3. the half-finished profile of fine finishining thread core; In this step, the half-finished profile of double thread core: fine finishining is done in forming thread, button bit face etc.;
S4. the half-finished outer surface of double thread core carries out high temperature titanizing process; The temperature of described high temperature titanizing is between 360 ~ 420 degrees Celsius, further fine finishining is carried out owing to needing double thread core semi-finished product in S3 step, so, thread core semi-finished product produce again internal stress in various degree further, described titanizing process not only can improve the half-finished outer surface hardness of thread core and rigidity, in the process of high temperature titanizing, can also realize heat treatment process, thus the internal stress produced in elimination finishing step, reach the effect of killing two birds with one stone;
S5. the half-finished inwall of fine finishining thread core; Owing to eliminating the internal stress produced in S3 step in S4 step, thus in this step the more half-finished inwall of double thread core process, thus obtain thinner inwall, the wall thickness of described thread core is 0.35 ~ 1.05mm; Outer surface due to thread core has forming thread groove, and the wall thickness of outer surface to the first accommodating cavity of described thread core is 1.05mm, and the wall thickness of described forming thread groove to the first accommodating cavity is 0.35mm;
S6. machine.
Embodiment two.
This processing technology comprises the steps:
S1. raw material is carried out the shaping and reserved allowance of roughing, form thread core semi-finished product; Now, because the internal stress of raw material is comparatively large, in this step, the half-finished inwall surplus of described thread core is 1.6mm, and the allowance of remainder is 0.5mm, can prevent the half-finished inside of thread core from occurring machining deformation because internal stress is larger like this;
S2. thread core semi-finished product are heat-treated; Described heat treatment comprises quenching, for the first time high tempering successively, second time high tempering, for the third time high tempering and the degree of depth cool fast, the half-finished hardness of thread core is made to reach 49HRC after described quenching, described first time high tempering, second time high tempering and third time high tempering temperature be 580 degrees Celsius, the temperature that the described degree of depth cools fast is-190 degrees Celsius, and cool time is 2.0 hours;
S3. the half-finished profile of fine finishining thread core; In this step, the half-finished profile of double thread core: fine finishining is done in forming thread, button bit face etc.;
S4. the half-finished outer surface of double thread core carries out high temperature titanizing process; The temperature of described high temperature titanizing is between 360 ~ 420 degrees Celsius, further fine finishining is carried out owing to needing double thread core semi-finished product in S3 step, so, thread core semi-finished product produce again internal stress in various degree further, described titanizing process not only can improve outer surface hardness and the rigidity of thread core, in the process of high temperature titanizing, can also realize heat treatment process, thus the internal stress produced in elimination finishing step, reach the effect of killing two birds with one stone;
S5. the half-finished inwall of fine finishining thread core; Owing to eliminating the internal stress produced in S3 step in S4 step, thus in this step the more half-finished inwall of double thread core process, thus obtain thinner inwall, the wall thickness of described thread core is 0.35 ~ 1.05mm; Outer surface due to thread core has forming thread groove, and the wall thickness of outer surface to the first accommodating cavity of described thread core is 1.05mm, and the wall thickness of described forming thread groove to the first accommodating cavity is 0.35mm;
S6. machine.
Embodiment three.
This processing technology comprises the steps:
S1. raw material is carried out the shaping and reserved allowance of roughing, form thread core semi-finished product; Now, because the internal stress of raw material is comparatively large, in this step, the inwall surplus of described thread core is 1.8mm, and the allowance of remainder is 0.6mm, can prevent the inside of thread core from occurring machining deformation because internal stress is larger like this;
S2. thread core semi-finished product are heat-treated; Described heat treatment comprises quenching, for the first time high tempering successively, second time high tempering, for the third time high tempering and the degree of depth cool fast, the half-finished hardness of thread core is made to reach 50HRC after described quenching, described first time high tempering, second time high tempering and third time high tempering temperature be 590 degrees Celsius, the temperature that the described degree of depth cools fast is-200 degrees Celsius, and cool time is 2.2 hours;
S3. the half-finished profile of fine finishining thread core; In this step, the half-finished profile of double thread core: fine finishining is done in forming thread, button bit face etc.;
S4. the half-finished outer surface of double thread core carries out high temperature titanizing process; The temperature of described high temperature titanizing is between 360 ~ 420 degrees Celsius, further fine finishining is carried out owing to needing double thread core semi-finished product in S3 step, so, thread core semi-finished product produce again internal stress in various degree further, described titanizing process not only can improve outer surface hardness and the rigidity of thread core, in the process of high temperature titanizing, can also realize heat treatment process, thus the internal stress produced in elimination finishing step, reach the effect of killing two birds with one stone;
S5. the half-finished inwall of fine finishining thread core; Owing to eliminating the internal stress produced in S3 step in S4 step, thus in this step the more half-finished inwall of double thread core process, thus obtain thinner inwall, the wall thickness of described thread core is 0.35 ~ 1.05mm; Outer surface due to thread core has forming thread groove, and the wall thickness of outer surface to the first accommodating cavity of described thread core is 1.05mm, and the wall thickness of described forming thread groove to the first accommodating cavity is 0.35mm;
S6. machine.
In sum, utilize this processing technology to be conducive to the machining control of the thread core to thin wall type, in process, not yielding, its technique intensity that is simple, that be easy to manufacture and thread core is high.
Above content is only preferred embodiment of the present invention, and for those of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, this description should not be construed as limitation of the present invention.
Claims (10)
1. the quick cooling die of a plastic shaping lid, comprise thread core (1), it is characterized in that: described thread core (1) is provided with the first accommodating cavity (11), described first accommodating cavity (11) is equiped with molding insert (2), also be provided with between described molding insert (2) and thread core (1) and transport water adjusting part (3), between described fortune water adjusting part (3) and the inwall of the first accommodating cavity (11), there is cooling gap (41), described molding insert (2) is connected with cooling water pipe (5), described fortune water adjusting part (3) is provided with blasthole (311) and apopore (312), the cooling water of described cooling water pipe (5) is successively by molding insert (2), blasthole (311), cooling gap (41) and apopore (312), the outside of described cooling water pipe (5) with there is between thread core (1) exhalant canal (42) communicated with apopore (312).
2. the quick cooling die of a kind of plastic shaping lid according to claim 1, it is characterized in that: described fortune water adjusting part (3) comprises fortune water part (31) and regulating part (32), described fortune water part (31) is provided with the second accommodating cavity (313), described regulating part (32) is arranged in the second accommodating cavity (313), annular diversion trench (33) is provided with between described fortune water part (31) and regulating part (32), described annular diversion trench (33) communicates with blasthole (311), described regulating part (32) is provided with the flow-guiding channel (321) for the cooling water by molding insert (2) being guided into annular diversion trench (33).
3. the quick cooling die of a kind of plastic shaping lid according to claim 2, it is characterized in that: the outer wall of described fortune water part (31) is evenly distributed with some groups of fortune aquaporin (34), and described blasthole (311) and apopore (312) are arranged at water inlet end and the water side of fortune aquaporin (34) respectively.
4. the quick cooling die of a kind of plastic shaping lid according to claim 3, it is characterized in that: described fortune aquaporin (34) comprises input section (341) and deferent segment (342), one end of described fortune water part (31) is provided with the first circulating water chennel (314), the other end of described fortune water part (31) is provided with the second circulating water chennel (315) communicated with exhalant canal (42), described input section (341) communicates with the first circulating water chennel (314), one end of described deferent segment (342) communicates with the first circulating water chennel (314), the other end of described deferent segment (342) communicates with the second circulating water chennel (315).
5. the quick cooling die of a kind of plastic shaping lid according to claim 2, it is characterized in that: the inlet opening (22) that described molding insert (2) is provided with annular cooling bath (21) and communicates with annular cooling bath (21), described flow-guiding channel (321) is tilting passage, described tilting passage end communicates with annular cooling bath (21), and the other end of described tilting passage communicates with annular diversion trench (33).
6. the quick cooling die of a kind of plastic shaping lid according to claim 1, is characterized in that: the wall thickness of described first accommodating cavity (11) is 0.35 ~ 1.05mm.
7. the quick cooling die of a kind of plastic shaping lid according to claim 1; it is characterized in that: be provided with interior plug forming cavity (6) between the bottom of described molding insert (2) and thread core (1), described molding insert (2) is also provided with the mould emptier (7) of blowing for inwardly filling in forming cavity (6).
8. the quick cooling die of a kind of plastic shaping lid according to claim 7, it is characterized in that: described mould emptier (7) comprises gas blow pipe (71), described gas blow pipe (71) is embedded in cooling water pipe (5), the port of export of described gas blow pipe (71) is provided with seal groove (72), described seal groove (72) is equiped with sealing ring (73), several steam vents (24) that described molding insert (2) is provided with a point air drain (23) and communicates with point air drain (23), the port of export of described gas blow pipe (71) is connected with molding insert (2) and communicates with a point air drain (23), the external peripheral surface of described molding insert (2) is provided with annular gas tank (25), between described annular gas tank (25) and interior plug forming cavity (6), there is gas gap (43) of escaping.
9. the quick cooling die of a kind of plastic shaping lid according to any one of claim 1 ~ 8, is characterized in that: described molding insert (2), fortune water adjusting part (3) are all threaded with thread core (1).
10. a processing technology for thread core, is characterized in that, described processing technology comprises the steps:
S1. raw material is carried out the shaping and reserved allowance of roughing, form thread core semi-finished product;
S2. thread core semi-finished product are heat-treated;
S3. the half-finished profile of fine finishining thread core;
S4. the half-finished outer surface of double thread core carries out high temperature titanizing process;
S5. the half-finished inwall of fine finishining thread core;
S6. machine.
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| CN201510743652.9A CN105216202B (en) | 2015-11-05 | 2015-11-05 | The quick cooling mould and the processing technology of thread core of a kind of plastic shaping lid |
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| CN201510743652.9A CN105216202B (en) | 2015-11-05 | 2015-11-05 | The quick cooling mould and the processing technology of thread core of a kind of plastic shaping lid |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108189351A (en) * | 2017-12-28 | 2018-06-22 | 苏州联开精密模具有限公司 | A kind of high speed mold thread core cooling structure |
| CN114274422A (en) * | 2022-01-07 | 2022-04-05 | 绍兴柯桥皇冠机械有限公司 | Novel mould |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108189351A (en) * | 2017-12-28 | 2018-06-22 | 苏州联开精密模具有限公司 | A kind of high speed mold thread core cooling structure |
| CN114274422A (en) * | 2022-01-07 | 2022-04-05 | 绍兴柯桥皇冠机械有限公司 | Novel mould |
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| CN105216202B (en) | 2017-06-09 |
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