CN115716317B - Bellows injection molding machine and processing method thereof - Google Patents
Bellows injection molding machine and processing method thereof Download PDFInfo
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- CN115716317B CN115716317B CN202211489303.5A CN202211489303A CN115716317B CN 115716317 B CN115716317 B CN 115716317B CN 202211489303 A CN202211489303 A CN 202211489303A CN 115716317 B CN115716317 B CN 115716317B
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 64
- 238000003672 processing method Methods 0.000 title description 4
- 238000003825 pressing Methods 0.000 claims description 18
- 239000004033 plastic Substances 0.000 claims description 14
- 229920003023 plastic Polymers 0.000 claims description 14
- 238000000465 moulding Methods 0.000 claims description 8
- 239000004698 Polyethylene Substances 0.000 claims description 6
- 239000004088 foaming agent Substances 0.000 claims description 6
- -1 polyethylene Polymers 0.000 claims description 6
- 229920000573 polyethylene Polymers 0.000 claims description 6
- 230000033001 locomotion Effects 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 2
- 238000003754 machining Methods 0.000 abstract 2
- 238000002347 injection Methods 0.000 description 10
- 239000007924 injection Substances 0.000 description 10
- 238000006073 displacement reaction Methods 0.000 description 4
- 239000010687 lubricating oil Substances 0.000 description 4
- 230000013011 mating Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a corrugated pipe injection molding machine and a machining method thereof, and relates to the field of corrugated pipe machining. Compared with the prior art, the invention greatly shortens the length of the mould chain, thereby saving a large amount of production and manufacturing cost.
Description
Technical Field
The invention relates to the field of corrugated pipe processing, in particular to a corrugated pipe injection molding processing machine and a processing method thereof.
Background
The corrugated pipe has the functions of compensating thermal deformation of the pipeline, absorbing shock and absorbing sedimentation deformation of the pipeline, is widely applied to industries such as petrochemical industry, instrument, aerospace industry, chemical industry, electric power, cement industry, metallurgy industry and the like, and has irreplaceable functions in the fields such as medium transmission, electric power threading, machine tools, household appliances and the like.
The mode of current bellows injection molding machine processing bellows is mostly design two sets of mirror images and is in the mould chain of circulation motion state, two corresponding moulds on two sets of mould chains can cooperate and form a circular bellows shaping die cavity, the front end setting of mould core is moulded plastics to the bellows in the position department that two moulds mutually support, can injection moulding bellows at this moment, the bellows after the shaping moves forward along with the circulation of mould, the mould is keeping away from each other gradually in the chamber of moulding plastics, receive carousel drive rotation cycle after keeping away from certain distance, the bellows automatic drawing of patterns after the shaping is pulled by the coiling machine of distal end and is coiled into the dish, can accomplish bellows injection molding.
However, the mould chain of the corrugated pipe mould in the prior art is provided with the convex lines necessary for forming the corrugated pipe on the inner surface, and the surface of the corrugated pipe just formed is also provided with the convex rings, the convex lines on the mould are matched with the convex rings on the wall of the corrugated pipe, in the prior art, the mould is gradually far away from the corrugated pipe in the horizontal direction, the contact between the mould and the corrugated pipe is realized in the horizontal direction by lengthening the mould chain, the convex lines on the inner wall of the mould and the convex rings on the surface of the corrugated pipe are far away from each other by a certain distance, and then the mould can rotate and circulate, otherwise, if the convex rings on the inner surface of the mould are scraped with the corrugated pipe in the rotation process, the corrugated pipe just formed is damaged.
Therefore, the existing corrugated pipe injection molding processing equipment needs a longer die withdrawal space, a longer die chain is needed, the equipment body also needs to be adaptively lengthened due to the longer length of the die chain, so that not only is higher die cost caused, but also the whole size of the equipment is enlarged, the installation and transportation are inconvenient, and more dies are needed to be prepared to form the die chain when the corrugated pipes with a plurality of specifications are required to be produced, and the production cost is high.
Disclosure of Invention
Based on the above, the invention aims to provide a corrugated pipe injection molding machine and a corrugated pipe injection molding method, so as to solve the technical problem that the existing corrugated pipe injection molding equipment needs a longer transverse die-stripping space in order to avoid damage to the pipe wall of a corrugated pipe.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a bellows injection molding machine and processing method thereof, includes injection molding machine body, workstation and injection molding chamber, the injection molding chamber sets up at the workstation top surface, be provided with two sets of mould chains that circulate and get into the injection molding chamber on the workstation, every group the mould chain all comprises a plurality of moulds connection, the one corner of mould bottom is provided with the telescopic column, one side rotation of mould is connected with the inserted bar, and is provided with the slot at the opposite side, inserted bar sliding connection is in the slot, the workstation all rotates in the both sides of injection molding chamber export and is provided with the carousel that slides, be provided with the spout of many cooperation telescopic column on the carousel that slides, the exit end in injection molding chamber is fixed with the limiting plate that restricts the mould and continue forward movement, be provided with the drive disk structure that the multiunit drive mould chain circulated on the workstation, the back of mould is provided with the back groove of cooperation drive disk structure, and is provided with the snap button that drives the telescopic column and retract in the back inslot, the edge of drive disk structure on the workstation is provided with the cooperation tooth that cooperates the button.
Through adopting above-mentioned technical scheme, through setting up the carousel structure in the bottom that the mould was withdrawn from the chamber position of moulding plastics, set up many arc grooves on the carousel, set up flexible post in the bottom of mould simultaneously, through the flexible post of arc groove cooperation on the carousel, make the mould leave the quick lateral displacement in the chamber of moulding plastics under the prerequisite of restriction of limit position structure, can receive carousel structure drive rotary cycle after breaking away from the contact with the bellows, compared in prior art, the length of mould chain has been shortened greatly, and then a large amount of manufacturing cost has been saved.
The invention is further arranged that the injection molding machine body is connected with a mold core, and the mold core penetrates into the injection molding cavity.
Through adopting above-mentioned technical scheme, the injection molding machine body will melt the raw materials after will pour into the die cavity that two sets of mould chains constitute through columnar mold core in, makes bellows injection molding.
The invention is further arranged that the driving disc structure on the workbench comprises two first driving discs arranged at the position where the mould chain leaves the injection cavity and two second driving discs arranged at the position where the mould chain enters the injection cavity.
By adopting the technical scheme, the die chain is driven to circularly rotate through the first driving disc and the second driving disc.
The invention is further characterized in that the bottom end of the workbench is provided with a driving bin, the rotating shafts of the sliding turntable, the first driving disc and the second driving disc extend into the driving bin and are fixedly connected with worm wheel structures, three groups of worm driving structures are arranged in the driving bin and are respectively matched with worm wheels on the rotating shafts of the two sliding turntable, worm wheels on the rotating shafts of the two first driving discs and worm wheels on the rotating shafts of the two second driving discs.
Through adopting above-mentioned technical scheme, make two sets of mould chains synchronous motion through multiunit worm gear structure, avoid appearing relative displacement difference.
The invention further provides that one end of the pressing button is propped against the pressing plate, the pressing plate is connected with a guy cable, the guy cable is connected to the top end of the telescopic column after passing through the two sets of reversing fixed pulleys, and the telescopic column immediately retracts into the die when the pressing button is pressed down.
By adopting the technical scheme, the sliding turntable is prevented from being matched with the telescopic column continuously.
The invention is further arranged in that a reset structure for the telescopic column is arranged in the die.
Through adopting above-mentioned technical scheme, make the telescopic column leave and slide the carousel after can reset fast, and then better preparation next and slide the carousel cooperation.
The invention is further arranged such that the first drive disc is located above the slipping turntable.
Through adopting above-mentioned technical scheme, avoid first driving disk to influence the carousel rotation that slides, can shorten the width of mould chain simultaneously, reduce its bight's radius.
The invention further provides that guide rail structures of the die-matching chains are arranged on two sides of the workbench.
By adopting the technical scheme, the problem that the connecting structure between the dies cannot support the weight of the dies so as to be bent and damaged is avoided, and the guide rail structure plays a role in assisting the circulation of the die chain.
The invention is further arranged that the matching teeth and the back groove are matched to play a role of supporting the die.
By adopting the technical scheme, the function of supporting and transporting the die is achieved when the die is in a rotating state.
The corrugated pipe injection molding method adopts the corrugated pipe injection molding machine and comprises the following steps:
step one: uniformly mixing polyethylene plastic and a foaming agent required by injection molding;
step two: inputting the mixed polyethylene plastic and foaming agent into an injection molding machine body;
step three: and winding the formed corrugated pipe by using a coiling machine.
In summary, the invention has the following advantages:
1. According to the invention, the turntable structure is arranged at the bottom of the position of the mold, which is withdrawn from the injection cavity, the plurality of arc grooves are arranged on the turntable, meanwhile, the telescopic column is arranged at the bottom end of the mold, and the arc grooves on the turntable are matched with the telescopic column, so that the mold can leave the injection cavity and rapidly and transversely displace under the premise of being limited by the limited position structure, and can be driven to rotate and circulate by the turntable structure after being separated from contact with the corrugated pipe;
2. according to the invention, the length of the mould chain is shortened, and the number of moulds on the mould chain is reduced, so that when the product specification is changed, the mould chain can be assembled by fewer moulds, the mould changing time is shortened, the standby number of moulds with different specifications is reduced, and the production cost of the corrugated pipe is greatly reduced;
3. according to the invention, the length of the mould chain is shortened, so that the whole device does not need to be lengthened adaptively, and the device is easier and more convenient to transport and install.
Drawings
FIG. 1 is a top perspective view of the present invention;
FIG. 2 is an enlarged view of FIG. 1A in accordance with the present invention;
FIG. 3 is a front perspective view of the present invention;
FIG. 4 is a front perspective view of the drive structure of the present invention;
FIG. 5 is a left side perspective view of the drive structure of the present invention;
FIG. 6 is a right side perspective view of the drive structure of the present invention;
FIG. 7 is an enlarged view of B of FIG. 6 in accordance with the present invention;
FIG. 8 is a rear perspective view of the mold of the present invention;
FIG. 9 is a front perspective view of the mold of the present invention;
FIG. 10 is a rear top interior view of the mold of the present invention;
fig. 11 is a bottom end rear interior view of the mold of the present invention.
In the figure: 1. an injection molding machine body; 2. a work table; 3. an injection cavity; 4. a mold chain; 5. a mold core; 6. a driving bin; 7. a limiting plate; 8. a sliding turntable; 9. a first drive plate; 10. a second drive plate; 11. mating teeth; 12. a mold; 13. a rod; 14. a slot; 15. a back groove; 16. pressing the button; 17. a telescopic column; 18. a pressing plate; 19. a guy cable; 20. a baffle; 21. a blower; 22. and a guide rail.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
Hereinafter, an embodiment of the present invention will be described in accordance with its entire structure.
The corrugated pipe injection molding machine comprises an injection molding machine body 1, a workbench 2 and an injection molding cavity 3, wherein the injection molding cavity 3 is arranged on the top surface of the workbench 2, two groups of mold chains 4 which circularly enter the injection molding cavity 3 are arranged on the workbench 2, each group of mold chains 4 is formed by connecting a plurality of molds 12, a telescopic column 17 is arranged at one corner of the bottom of each mold 12, one side of each mold 12 is rotationally connected with an inserting rod 13, a slot 14 is arranged at the other side of each mold 12, the inserting rods 13 are slidably connected in the slots 14, the inserting rods 13 and the slots 14 are provided with an upper group and a lower group on the same mold 12, the effect of interconnecting the molds 12 is achieved, and in order to avoid mutual separation between the molds 12, a limiting structure for placing sliding out of the inserting rods 13 is arranged at the outlet of the slots 14, in order to enable the inserting rods 13 to be in better sliding fit with the slots 14, the mould 12 is vertically provided with a lubricating oil hole at the corresponding position of the slot 14, the lubricating oil hole is connected with the upper slot 14 and the lower slot 14, the sliding fit part between the two moulds 12 can be prevented from being blocked as far as possible by injecting lubricating oil into the lubricating oil hole, the two sides of the outlet of the injection cavity 3 are rotatably provided with sliding turntables 8, the sliding turntables 8 are provided with a plurality of sliding grooves matched with telescopic columns 17, the outlet end of the injection cavity 3 is fixedly provided with a limiting plate 7 for limiting the continuous forward movement of the mould 12, in particular, in order to prevent the limiting plate 7 from blocking the output corrugated pipe finished product, the limiting plate 7 is in an L-shaped structure, the projection of the short side of the limiting plate 7 towards the axial direction of the corrugated pipe is not overlapped with the corrugated pipe, but overlapped with the edge of the mould 12, the output of the corrugated pipe is prevented from being influenced on the premise of playing the limiting mould 12, the workbench 2 is provided with a driving disc structure for driving the circulation of a plurality of groups of driving mould chains 4, the back of the mould 12 is provided with a back groove 15 matched with a driving disc structure, a pressing button 16 for driving a telescopic column 17 to retract is arranged in the back groove 15, and the edge of the driving disc structure on the workbench 2 is provided with a matched tooth 11 matched with the pressing button 16.
When the mould 12 slides out of the injection cavity 3, the mould continues to move forwards until the telescopic column 17 at the bottom is matched with the track on the sliding turntable 8, the sliding turntable 8 rotates to enable the telescopic column 17 to tend to move circularly on the sliding turntable 8, meanwhile, the mould 12 is limited by the limiting plate 7 at one side and can have a horizontal sliding effect, at the moment, the inserting rod 13 at one side of the mould 12 is pulled out of the inserting groove 14 of the next mould, the inserting groove 14 of the inserting rod 13 of the previous mould is accommodated in the inserting groove 14, the sliding turntable 8 continues to rotate, when the limiting plate 7 cannot limit the mould 12, the pressing button 16 on the pressing button is pressed by the matched teeth 11 on the driving disc structure, the matched teeth 11 are matched with the back groove 15 of the mould 12 when the telescopic column 17 is pulled up through the inhaul cable 19 structure, the mould 12 is driven to rotate, and the inserting rod 13 connected at one side of the mould 12 is driven to rotate relatively in the same way, so that the mould chain 4 is kept stably and continuously connected.
Furthermore, in order to avoid damage to the mold chain 4, two sides of the workbench 2 are fixedly connected with baffle plates 20 which are mutually attached, a fan 21 for heat dissipation is arranged on the baffle plates 20 towards the mold chain 4, the air blown by the fan can play a role in reducing the temperature of the corrugated pipe, and ventilation openings are formed in the baffle plates 20 in order to improve the heat dissipation effect of the corrugated pipe.
On the basis of the above structure, in this embodiment, the injection molding machine body is connected with the mold core 5, the mold core 5 penetrates into the injection molding cavity 3, and the injection molding machine body 1 injects the melted raw material into the mold cavity formed by the two groups of mold chains 4 through the columnar mold core 5, so that the corrugated pipe is injection molded.
On the basis of the above structure, in this embodiment, the driving disc structure on the working table 2 includes two first driving discs 9 disposed at positions where the mold chains 4 leave the injection molding cavity 3 and two second driving discs 10 disposed at positions where the mold chains 4 enter the injection molding cavity 3, the mold chains 4 are driven to rotate circularly by the first driving discs 9 and the second driving discs 10, specifically, the mold chains 4 keep a straight line state in the injection molding cavity 3, and the mold chains tend to the injection molding cavity 3 in turn right front to back on the guide rail 22, so, in order to make the mold chains 4 circulate normally, the radius of the first driving discs 9 is different from the radius of the second driving discs 10, eight mating teeth are disposed at equal intervals on the edges of the first driving discs 9, seven mating teeth are disposed at equal intervals on the edges of the second driving discs 10, through openings through which the mold chains 4 penetrate are disposed at both sides of the injection molding cavity 3, and sealing components for protection are disposed at the through openings, specifically, the sealing components are rubber baffles.
The bottom of the workbench 2 is provided with a driving bin 6, the rotating shafts of the sliding turntables 8, the first driving discs 9 and the second driving discs 10 extend into the driving bin 6 and are fixedly connected with worm gear structures, three sets of worm driving structures are arranged in the driving bin 6 and are respectively matched with worm gears on the rotating shafts of the two sliding turntables 8, worm gears on the rotating shafts of the two first driving discs 9 and worm gears on the rotating shafts of the two second driving discs 10, and two sets of die chains 4 synchronously move through multiple sets of worm gear structures so as to avoid relative displacement differences.
Based on the above structure, in this embodiment, one end of the pressing button 16 abuts against the pressing plate 18, the pressing plate 18 is connected with the pull cable 19, and further, in order to prevent the pull cable 19 from generating tensile deformation when being stressed and affecting the retraction of the telescopic column 17, the pull cable 19 is specifically a twisted steel thread, the pull cable 19 is connected to the top end of the telescopic column 17 after passing through two sets of reversing fixed pulleys, and when the pressing button 16 is pressed down, the telescopic column 17 immediately retracts into the die 12, so that the sliding turntable 8 is prevented from continuously matching with the telescopic column 17.
On the basis of the above structure, in this embodiment, the first driving disc 9 is located above the sliding turntable 8, so as to avoid the first driving disc 9 from affecting the sliding turntable 8 to rotate, and simultaneously shorten the width of the mold chain and reduce the radius of the bending part, and when the mold 12 is driven by the first driving disc 9 to rotate, the rotating radius of the mold 12 does not touch the corrugated pipe, so that the problem of damage to the corrugated pipe caused by touch is avoided.
On the basis of the above structure, in this embodiment, the reset structure of the telescopic column 17 is disposed in the mold 12, specifically, the reset structure includes a reset spring disposed at the top end of the telescopic column 17, the reset spring is compressed after the telescopic column 17 is pulled up, after the telescopic column 17 is released from the pulled up state, the reset structure is reset immediately by the elasticity of the reset spring to be in a state of extending out of the mold 12, and the reset structure enables the telescopic column 17 to be quickly reset after leaving the sliding turntable 8, so that the telescopic column 17 is better ready to be matched with the sliding turntable next time.
The embodiment also provides a guide rail structure of the die chain 4 arranged on two sides of the workbench 2, specifically, the guide rail structure is a guide rail 22, and specifically, in order to enable the die chain 4 to circulate normally, grooves for the telescopic columns 17 to move are formed in the guide rail 22 and the injection cavity 3, so that the connecting structure between the dies is prevented from being damaged due to bending caused by the fact that the connecting structure between the dies cannot support the weight of the dies 12, and the guide rail structure plays a role in assisting the circulation of the die chain 4.
On the basis of the above structure, in the present embodiment, the mating teeth 11 and the back grooves 15 cooperate to support the mold 12, and to support and transport the mold 12 when the mold 12 is in a rotated state.
By adopting the corrugated pipe injection molding machine, polyethylene plastic and foaming agent which are required by uniform injection molding are mixed, the mixed polyethylene plastic and foaming agent are input into an injection molding machine body, and the formed corrugated pipe is coiled by using a coiling machine.
The short-distance transverse structure of the die is creatively arranged, so that the defect that the existing corrugated pipe injection molding processing equipment needs a longer transverse die-withdrawing space in order to avoid damage to the pipe wall of the corrugated pipe is avoided; in this scheme, through setting up the carousel structure in the bottom that the mould was exited the chamber position of moulding plastics, set up many arc grooves on the carousel, set up flexible post in the bottom of mould simultaneously, through the flexible post of arc groove cooperation on the carousel, make the mould leave the quick lateral displacement in the chamber of moulding plastics under the prerequisite of restriction position structure, break away from and can receive carousel structure drive rotary cycle after the contact with the bellows, compared with prior art, shortened the length of mould chain greatly, and then saved a large amount of manufacturing cost.
Although embodiments of the invention have been shown and described, the detailed description is to be construed as exemplary only and is not limiting of the invention as the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and modifications, substitutions, variations, etc. may be made in the embodiments as desired by those skilled in the art without departing from the principles and spirit of the invention, provided that such modifications are within the scope of the appended claims.
Claims (10)
1. The utility model provides a bellows processing machine of moulding plastics, includes injection molding machine body (1), workstation (2) and injection molding chamber (3), injection molding chamber (3) set up in workstation (2) top surface, be provided with two sets of mould chains (4) that circulate and get into injection molding chamber (3) on workstation (2), every group mould chain (4) all are connected by a plurality of moulds (12) and are constituteed, its characterized in that: one corner of mould (12) bottom is provided with flexible post (17), one side rotation of mould (12) is connected with inserted bar (13), and is provided with slot (14) at the opposite side, inserted bar (13) sliding connection is in slot (14), workstation (2) all rotate in the both sides of moulding plastics chamber (3) export and are provided with carousel (8) that slide, be provided with the spout of many cooperation flexible posts (17) on carousel (8) that slide, the exit end of moulding plastics chamber (3) is fixed with limiting plate (7) that restrict mould (12) and continue forward movement, be provided with multiunit drive mould chain (4) endless driving disk structure on workstation (2), the back of mould (12) is provided with back groove (15) of cooperation driving disk structure, and is provided with on back groove (15) the edge of driving disk structure and press button (16) cooperation tooth (11) that cooperate on workstation (2).
2. The bellows injection molding machine of claim 1, wherein: the injection molding machine body is connected with a mold core (5), and the mold core (5) penetrates into the injection molding cavity (3).
3. The bellows injection molding machine of claim 1, wherein: the driving disc structure on the workbench (2) comprises two first driving discs (9) arranged at the position where the mould chain (4) leaves the injection molding cavity (3) and two second driving discs (10) arranged at the position where the mould chain (4) enters the injection molding cavity (3).
4. A bellows injection molding machine according to claim 3, wherein: the bottom of workstation (2) is provided with drive storehouse (6), the pivot of carousel (8), first driving disk (9), second driving disk (10) all extends into in drive storehouse (6), and all fixedly connected with worm wheel structure, be provided with three worm drive structure in drive storehouse (6), three worm drive structure of group cooperate with two epaxial worm wheels of carousel (8) pivot, two epaxial worm wheels of first driving disk (9), two epaxial worm wheels of second driving disk (10) respectively.
5. The bellows injection molding machine of claim 1, wherein: one end of the pressing button (16) abuts against the pressing plate (18), the pressing plate (18) is connected with a guy rope (19), the guy rope (19) is connected to the top end of the telescopic column (17) after passing through two groups of reversing fixed pulleys, and the telescopic column (17) immediately retracts into the die (12) when the pressing button (16) is pressed down.
6. The bellows injection molding machine of claim 5, wherein: a reset structure for the telescopic column (17) is arranged in the die (12).
7. A bellows injection molding machine according to claim 3, wherein: the first driving disc (9) is positioned above the sliding rotary disc (8).
8. The bellows injection molding machine of claim 1, wherein: guide rail structures of the matched die chains (4) are arranged on two sides of the workbench (2).
9. The bellows injection molding machine of claim 1, wherein: the matching teeth (11) and the back grooves (15) are matched to support the die (12).
10. The injection molding method for the corrugated pipe is characterized by comprising the following steps of: use of a bellows injection molding machine according to any of claims 1-9, comprising the steps of:
step one: uniformly mixing polyethylene plastic and a foaming agent required by injection molding;
step two: inputting the mixed polyethylene plastic and foaming agent into an injection molding machine body;
step three: and winding the formed corrugated pipe by using a coiling machine.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211489303.5A CN115716317B (en) | 2022-11-25 | 2022-11-25 | Bellows injection molding machine and processing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211489303.5A CN115716317B (en) | 2022-11-25 | 2022-11-25 | Bellows injection molding machine and processing method thereof |
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| CN115716317A CN115716317A (en) | 2023-02-28 |
| CN115716317B true CN115716317B (en) | 2024-06-25 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106514958A (en) * | 2016-11-01 | 2017-03-22 | 浙江番汽车配件科技有限公司 | Production die special for automobile car door wiring harness sealing cover and injection molding machine |
| CN110936564A (en) * | 2019-11-27 | 2020-03-31 | 上海科聚精密塑料有限公司 | Injection mold |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5694713A (en) * | 1979-12-28 | 1981-07-31 | Fuji Electric Co Ltd | Manufacturing method of coil spacer of resin mold type electrical apparatus |
| JPS63237933A (en) * | 1987-03-27 | 1988-10-04 | Nissei Plastics Ind Co | Molding method for bellowslike molded product |
| US7597834B2 (en) * | 2007-04-10 | 2009-10-06 | Husky Injection Molding Systems Ltd. | Rotary molding machine |
| KR20130109841A (en) * | 2012-03-28 | 2013-10-08 | 강현석 | Spiral pipe manufacturing apparatus and spiral pipe manufactured by apparatus thereof |
| CN113001898B (en) * | 2021-02-27 | 2022-03-11 | 慈溪市皓锋模具科技有限公司 | Production process of injection mold for producing plug accessories |
| CN215472632U (en) * | 2021-08-23 | 2022-01-11 | 河南鹏庆塑业有限公司 | Special forming die of HDPE double-walled bellows |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106514958A (en) * | 2016-11-01 | 2017-03-22 | 浙江番汽车配件科技有限公司 | Production die special for automobile car door wiring harness sealing cover and injection molding machine |
| CN110936564A (en) * | 2019-11-27 | 2020-03-31 | 上海科聚精密塑料有限公司 | Injection mold |
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