Injection molding and blow molding integrated forming mold

By setting a rotary drive component and a multi-stage guide structure on the mold frame, the problem of low mold positioning accuracy was solved, achieving high-precision alignment and uniform thickness injection blow molding, thus improving product quality and appearance.

CN223812317UActive Publication Date: 2026-01-20ZUO GAOTAI (GUANGZHOU) NEW MATERIALS CO LTD
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Patent Information

Application Number
CN202520121354.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-17
Publication Date
2026-01-20
Estimated Expiration
2035-01-17

AI Technical Summary

Technical Problem

Existing injection and blow molding integrated molds have low mold closing positioning accuracy during high-speed production. The center of the preform is prone to misalignment with the center of the blow molding cavity, resulting in an excessively large parting line, uneven wall thickness, and unstable quality.

Method used

The mold frame is fixed on the base, and the rotating mold is driven to rotate by a rotary drive component. Combined with the translation mechanism and multi-stage guide structure, high-precision alignment between molds is ensured. This includes the sliding fit between the frame guide pillars and guide sleeves, and between the mold guide pillars and guide holes, so as to achieve smooth mold opening and closing and high-precision positioning.

Benefits of technology

It achieves high-precision mold alignment, small parting line, no flash in bottle neck threads, uniform wall thickness, and beautiful appearance, making it suitable for the production of high-precision transparent bottles.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model provides an injection molding and blow molding integrated forming mold. The injection molding and blow molding integrated forming mold comprises a base, a mold frame, an injection mold, a blow molding mold and a translation mechanism, a rotating mold is rotationally connected into the mold frame, frame guide columns extending in the front-back direction are arranged on the front side and the rear side of the mold frame correspondingly, a plurality of first molds are arranged on the front side and the rear side of the rotating mold correspondingly, and a sliding rail extending in the front-back direction is arranged on the bottom side of the mold frame; a first supporting base is arranged on the bottom side of the injection mold and is in sliding connection with the sliding rail through a sliding block, and a second supporting base is arranged on the bottom side of the blow molding mold and is in sliding connection with the sliding rail through a sliding block. Compared with the prior art, the injection molding and blow molding integrated forming mold disclosed by the embodiment of the utility model can realize multiple guide positioning, so that stable mold opening and closing and high-precision positioning between the molds can be realized, and high-precision alignment of the center of the rotary mold core, the center of an injection molding cavity of the injection mold and the center of a blow molding cavity of the blow molding mold is ensured.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of plastic product processing, in particular to an injection blow integrated forming mold. BACKGROUND

[0002] With the increasing demand for hollow packaging market and the fierce market competition, people's requirements for hollow bottle products are getting higher and higher. The existing one-step two-station injection blow integrated forming mostly adopts the way of fixing the rotating mold outer frame on the green column to install and position, the green column between the front mold and the rear mold is too long, the weight of the mold itself plus the rotating system is large, the rotating motion is frequent and the amplitude is large during high-speed production, the mold closing positioning precision is not high when the bottle blank rotates to the blow mold for re-molding, the center of the bottle blank and the center of the blow mold cavity are easy to deviate, and because the green column fixes the whole mold, the spatial position is limited, which makes the mold debugging difficult, and the product is easy to have problems such as large mold line, uneven thickness of thin wall, unstable quality and the like. CONTENT OF THE UTILITY MODEL

[0003] The purpose of the present application is to provide an injection blow integrated forming mold to solve the shortcomings and deficiencies in the prior art.

[0004] The injection blow integrated forming mold of the present application comprises:

[0005] A base is fixedly arranged;

[0006] A mold frame is fixed on the base, a rotating mold is rotatably connected in the mold frame, a rotating driving member is arranged on the mold frame for driving the rotating mold to rotate, frame guide columns extending in the front-rear direction are arranged on the front and rear sides of the mold frame, slide rails extending in the front-rear direction are arranged on the bottom side of the mold frame, a plurality of first molds and a plurality of mold guide columns are arranged on the front and rear sides of the rotating mold, each of the first molds is provided with a bottle mouth core, a core rod with a blowing channel is arranged in each of the bottle mouth cores, the core rod can be extended and retracted relative to the bottle mouth core, and a lock catch is further arranged on the first mold;

[0007] An injection mold is arranged on the front side of the mold frame, a first support seat is arranged on the bottom side of the injection mold, the first support seat is slidably connected with the slide rails through a sliding block, a plurality of second molds adapted to the first molds are arranged on the rear side of the injection mold, the second molds comprise two first inclined sliding blocks, the two first inclined sliding blocks jointly form an injection cavity adapted to the bottle mouth core and the core rod, first lock connection holes matched with the lock catches are arranged on the two first inclined sliding blocks, a glue injection port, a hot runner and a glue inlet needle valve are arranged on the injection mold, and a first frame guide sleeve matched with the frame guide columns and a first mold guide hole matched with the mold guide columns are further arranged on the injection mold.

[0008] A blow mold is arranged at the rear side of the mold frame, and a second support base is arranged at the bottom side of the blow mold. The second support base is connected to the slide rail through a sliding block. A plurality of third molds adapted to the first mold are arranged at the front side of the blow mold. The third mold comprises two second inclined sliding blocks which jointly form a blow cavity adapted to the bottle mouth core and the core rod. The two second inclined sliding blocks are provided with second lock holes matched with the lock. An ejection rod is arranged on the third mold for ejecting the hollow bottle. The side of the mold frame facing the blow mold is further provided with a finished product sliding groove for receiving the hollow bottle. The blow mold is provided with a second frame guide sleeve matched with the frame guide column and a second mold guide hole matched with the mold guide column.

[0009] A translation mechanism is arranged on the mold frame. The translation mechanism can drive the injection mold and the blow mold to move closer to or away from the rotary mold in the front-rear direction. When the first mold and the second mold are closed, the lock is buckled on the first lock hole. When the first mold and the third mold are closed, the lock is buckled on the second lock hole.

[0010] Compared with the prior art, the injection blow integrated molding mold disclosed in the embodiment of the application can realize multiple orientation positioning through the sliding guide between the pulleys of the first support base and the second support base and the slide rail below the mold frame, the translation mechanism translation driving guide, and the multi-level guide cooperation of the frame guide column and the first and second frame guide sleeves and the mold guide column and the first and second guide holes. Therefore, the mold can be smoothly opened and closed and accurately positioned, the center of the rotary model core is accurately aligned with the center of the injection cavity of the injection mold and the center of the blow cavity of the blow mold, the product has a small mold line, the bottle mouth thread has no flash, the cavity alignment precision is high, the thin wall thickness is uniform, the appearance is more beautiful and smooth, and the transparent bottle with high appearance requirements is suitable. Especially suitable for small capacity bottles with high requirements for bottle mouth precision and bottle body thickness.

[0011] In a preferred or optional embodiment, the translation mechanism comprises a drive gear box, a first rack and a second rack. The drive gear box is arranged on the outside of the mold frame. The first rack is engaged with the drive gear box and connected to the outside of the injection mold. The second rack is engaged with the drive gear box and connected to the outside of the blow mold. The first rack and the second rack are arranged in the front-rear direction.

[0012] In a preferred or optional embodiment, the translation mechanism is provided in multiple numbers. The left and right sides of the mold frame are each provided with the same number of translation mechanisms.

[0013] In a preferred or possible embodiment, the driving gear box comprises a gear box body, a gear motor, a driving gear, a first driven gear and a second driven gear arranged in the gear box body, the gear motor is used to drive the driving gear, the first driven gear and the second driven gear are engaged with the driving gear, the first rack is engaged with the first driven gear by penetrating the gear box body, and the second rack is engaged with the second driven gear by penetrating the gear box body.

[0014] In a preferred or possible embodiment, the slide rails are arranged at least two, and the two slide rails are arranged at left and right sides of the bottom side of the mold frame.

[0015] In a preferred or possible embodiment, the rotary mold is rotationally connected with the mold frame through a rotating shaft, the rotary driving member comprises a servo motor and a speed reducer connected with the servo motor, an output shaft of the speed reducer is provided with a first gear, and an outer periphery of the rotating shaft is provided with a second gear engaged with the first gear.

[0016] In a preferred or possible embodiment, the injection blow integrated forming mold further comprises a controller, the mold frame is further provided with a sensing switch for sensing rotation of the second gear to a position, the sensing switch, the servo motor and the gear motor are electrically connected with the controller respectively, the controller is used to receive a signal transmitted by the sensing switch and control rotation of the servo motor and the gear motor, so as to drive the rotary mold to rotate reciprocally and drive the injection mold and the blow mold to move reciprocally.

[0017] In a preferred or possible embodiment, the rotating shaft comprises an upper rotating shaft and a lower rotating shaft, the upper rotating shaft and the lower rotating shaft are arranged at upper and lower sides of the rotary mold respectively and penetrate the mold frame, and the second gear is mounted on an outer periphery of the upper rotating shaft.

[0018] In a preferred or possible embodiment, an outer side of the lower rotating shaft is sleeved with a pipeline sleeve, and the pipeline sleeve is provided with an air inlet and outlet, a water inlet and outlet and an oil inlet and outlet penetrating the rotary mold.

[0019] In order to better understand and implement, the following will be described in detail in combination with the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a structure schematic view of the injection blow integrated forming mold in the embodiment of the present application from one perspective;

[0021] Figure 2 It is a structure schematic view of the injection blow integrated forming mold in the embodiment of the application from another perspective;

[0022] Figure 3An exploded structural schematic view of an injection blow integrated forming mold in an embodiment of the present application;

[0023] Figure 4 A partial structural schematic view of a mold frame in an embodiment of the present application;

[0024] Figure 5 A front structural schematic view of a mold frame and a rotary mold in an embodiment of the present application;

[0025] Figure 6 A side structural schematic view of a rotary mold and an injection mold in an embodiment of the present application;

[0026] Figure 7 A front structural schematic view of a blow mold in an embodiment of the present application;

[0027] Figure 8 A structural schematic view of a rotary driving member of an injection blow integrated forming mold in an embodiment of the present application (hidden part structure);

[0028] Figure 9 A structural schematic view of a translation mechanism of an injection blow integrated forming mold in an embodiment of the present application (hidden part structure);

[0029] Figure 10 An exploded structural schematic view of a first mold and a second mold from two perspectives in an embodiment of the present application;

[0030] Figure 11 An exploded structural schematic view of a first mold and a third mold from two perspectives in an embodiment of the present application;

[0031] Explanation of reference numerals:

[0032] 1, base; 2, mold frame; 21, frame guide pillar; 22, slide rail; 221, sliding block; 23, finished product chute; 3, rotary mold; 301, first mold; 3011, lock catch; 31, bottle mouth core; 32, mold guide pillar; 33, core rod; 34, rotating shaft; 341, upper rotating shaft; 342, lower rotating shaft; 35, pipeline sleeve; 351, air inlet and outlet; 352, water inlet and outlet; 353, oil inlet and outlet; 4, rotary driving part; 41, servo motor; 42, speed reducer; 43, first gear; 44, second gear; 5, injection mold; 501, second mold; 5011, first inclined sliding block; 5012, first lock connection hole; 51, first support seat; 52, injection cavity; 53, glue injection port; 54, hot runner; 55, glue injection port needle valve; 56, first frame guide sleeve; 57, first mold guide hole; 6, blow mold; 601, third mold; 6011, second inclined sliding block; 6012, second lock connection hole; 61, second support seat; 62, blow cavity; 63, second frame guide sleeve; 64, second mold guide hole; 7, translation mechanism; 71, driving gear box; 711, gear box body; 712, driving gear; 713, first driven gear; 714, second driven gear; 72, first rack; 73, second rack; 8, bottle embryo. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0034] It should be understood that, in the description of the present application, the orientations or positional relationships indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. The terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. That is, the features with "first", "second" can explicitly or implicitly include one or more features. In addition, unless otherwise stated, the meaning of "multiple" is two or more.

[0035] It should be noted that in the description of the present application, unless otherwise explicitly specified and limited, the terms "set", "connected", "connected", "hollow" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0036] Please refer to Figures 1 to 11 The injection blow integrated forming mold of the embodiment can be installed on a machine table, and specifically comprises: a base 1, a mold frame 2, an injection mold 5, a blow mold 6 and a translation mechanism 7.

[0037] The base 1 is fixedly arranged and can be fixed on a machine table to serve as a fixed support.

[0038] The mold frame 2 is fixed on the base 1, and a rotating mold 3 is rotatably connected in the mold frame 2. A rotating driving member 4 for driving the rotating mold 3 to rotate is arranged on the mold frame 2. The rotating driving member 4 can drive the rotating mold 3 to rotate by 180°. Frame guide columns 21 extending in the front-rear direction are arranged on the front and rear sides of the mold frame 2. Sliding rails 22 extending in the front-rear direction are arranged on the bottom side of the mold frame 2. A plurality of first molds 301 and a plurality of mold guide columns 32 are arranged on the front and rear sides of the rotating mold 3. The first mold 301 is provided with a bottle mouth core 31. A core rod 33 with a blowing channel is arranged in each bottle mouth core 31. The core rod 33 can be extended and retracted relative to the bottle mouth core 31. The first mold 301 is further provided with a lock catch 3011.

[0039] The injection mold 5 is arranged on the front side of the mold frame 2, the bottom side of the injection mold 5 is provided with a first support seat 51, the first support seat 51 is slidably connected with the slide rail 22 through the sliding block 221, so that the injection mold 5 can move close to or away from the mold frame 2 in the front-rear direction, the rear side of the injection mold 5 is provided with a plurality of second molds 501 adapted to the first mold 301, the second mold 501 includes two first inclined sliding blocks 5011, the two first inclined sliding blocks 5011 jointly form an injection cavity 52 adapted to the bottle mouth core 31 and the core rod 33, the two first inclined sliding blocks 5011 are provided with first lock holes 5012 matched with the lock buckles 3011, the injection mold 5 is provided with a glue injection port 53, a hot runner 54 and a glue inlet needle valve 55, external plastic melt can be injected through the glue injection port 53, the plastic melt passes through the glue inlet needle valve 55 controller flow and enters the hot runner 54, and is injected into the injection cavity 52 through the glue inlet of the hot runner 54. The bottle mouth core 31, the core rod 33 and the injection cavity 52 cooperate to be injection molded into a bottle embryo 8.

[0040] The injection mold 5 is also provided with a first frame guide sleeve 56 matched with the frame guide column 21 and a first mold guide hole 57 matched with the mold guide column 32, the frame guide column 21 and the first frame guide sleeve 56 are slidably matched, and the mold guide column 32 and the first mold guide hole 57 are slidably matched, so that the high-precision alignment of the core center of the rotary mold 3 and the cavity center of the injection mold 5 can be ensured.

[0041] The blow molding die 6 is arranged on the rear side of the mold frame 2, and the bottom side of the blow molding die 6 is provided with a second support seat 61 which is slidably connected with the slide rail 22 through a sliding block 221, so that the blow molding die 6 can move close to or away from the mold frame 2 in the front-rear direction. The front side of the blow molding die 6 is provided with a plurality of third molds 601 which are adapted to the first mold 301. The third mold 601 comprises two second inclined sliding blocks 6011 which together form a blow molding cavity 62 which is adapted to the bottle mouth core 31 and the core rod 33. When the bottle blank 8 is inserted into the blow molding cavity 62, the air inlet of the rotary mold 3 is supplied with air. Under the action of the air pressure and the spring at the bottom, the core rod 33 is ejected and continues to be inserted into the inside of the bottle blank 8. The air blowing channel at the bottom of the core rod 33 is opened, and air can be blown into the bottle blank 8 through the air blowing channel, so that the bottle blank 8 is blown into a hollow bottle. The two second inclined sliding blocks 6011 are provided with second lock connection holes 6012 which are matched with the lock catches 3011. The third mold 601 is provided with an ejection rod which is used to eject the hollow bottle. After blow molding, the core rod 33 is retracted into the bottle mouth core 31, the air blowing channel at the bottom of the core rod 33 is closed, and the ejection rod can be extended under the action of the air cylinder to eject the hollow bottle. The side of the mold frame 2 which faces the blow molding die 6 is also provided with a finished product sliding groove 23 which is used to receive the hollow bottle. The ejected hollow bottle falls into the finished product sliding groove 23, which facilitates the recycling of the hollow bottle.

[0042] The blow molding die 6 is arranged on the rear side of the mold frame 2, and the bottom side of the blow molding die 6 is provided with a second support seat 61 which is slidably connected with the slide rail 22 through a sliding block 221, so that the blow molding die 6 can move close to or away from the mold frame 2 in the front-rear direction. The front side of the blow molding die 6 is provided with a plurality of third molds 601 which are adapted to the first mold 301. The third mold 601 comprises two second inclined sliding blocks 6011 which together form a blow molding cavity 62 which is adapted to the bottle mouth core 31 and the core rod 33. When the bottle blank 8 is inserted into the blow molding cavity 62, the air inlet of the rotary mold 3 is supplied with air. Under the action of the air pressure and the spring at the bottom, the core rod 33 is ejected and continues to be inserted into the inside of the bottle blank 8. The air blowing channel at the bottom of the core rod 33 is opened, and air can be blown into the bottle blank 8 through the air blowing channel, so that the bottle blank 8 is blown into a hollow bottle. The two second inclined sliding blocks 6011 are provided with second lock connection holes 6012 which are matched with the lock catches 3011. The third mold 601 is provided with an ejection rod which is used to eject the hollow bottle. After blow molding, the core rod 33 is retracted into the bottle mouth core 31, the air blowing channel at the bottom of the core rod 33 is closed, and the ejection rod can be extended under the action of the air cylinder to eject the hollow bottle. The side of the mold frame 2 which faces the blow molding die 6 is also provided with a finished product sliding groove 23 which is used to receive the hollow bottle. The ejected hollow bottle falls into the finished product sliding groove 23, which facilitates the recycling of the hollow bottle.

[0043] The translation mechanism 7 is arranged on the mold frame 2, and the translation mechanism 7 can drive the injection molding die 5 and the blow molding die 6 to move close to or away from the rotary mold 3 in the front-rear direction.

[0044] When the injection molding die 5 moves close to the rotary mold 3, the first mold 301 and the second mold 501 can be clamped. At this time, the two first inclined sliding blocks 5011 move close to each other and are matched with the first mold 301. At this time, the lock catch 3011 on the first mold 301 is buckled on the first lock connection hole 5012, so as to prevent the first mold 301 and the second mold 501 from being separated due to the injection pressure. When the blow molding die 6 moves close to the rotary mold 3, the first mold 301 and the third mold 601 can be clamped. At this time, the two second inclined sliding blocks 6011 move close to each other and are matched with the first mold 301. At this time, the lock catch 3011 on the first mold 301 is buckled on the second lock connection hole 6012, so as to prevent the first mold 301 and the third mold 601 from being separated due to the blow molding pressure.

[0045] The injection blow integrated forming mold described in the embodiments of the present application is fixed on the base 1, which can be fixed on a machine table. The injection mold 5 and the blow mold 6 are respectively installed on the first support seat 51 and the second support seat 61. The sliding guide between the pulleys of the first support seat 51 and the second support seat 61 and the sliding rail 22 below the mold frame 2 is used for the translational driving guide of the translation mechanism 7. The multi-stage guide cooperation of the frame guide column 21 and the first and second frame guide sleeves 63 and the mold guide column 32 and the first and second guide holes can realize multiple guide positioning, and then the smooth mold opening and closing and high-precision positioning between molds can be realized, the high-precision alignment of the center of the rotating mold 3 core and the center of the injection cavity 52 of the injection mold 5 and the center of the blow cavity 62 of the blow mold 6 is ensured, the product formed has small mold line, no flash on the bottle mouth thread, high cavity alignment precision, uniform thin wall thickness, more beautiful and smooth appearance, is suitable for transparent bottles with high appearance requirements, and is especially suitable for small capacity bottles with high requirements on bottle mouth precision and bottle body thickness. Further, the first mold 301 of the embodiment of the present application can be matched with the first locking hole 5012 of the second mold 501 and the second locking hole 6012 of the third mold 601 through the lock buckle 3011, so that the cooperation between the molds is tight, and the separation during work is not easy to occur.

[0046] Preferably, in the present embodiment, the translation mechanism 7 includes a drive gear box 71, a first rack 72 and a second rack 73. The drive gear box 71 is arranged on the outside of the mold frame 2. The first rack 72 is engaged with the drive gear box 71 and connected to the outside of the injection mold 5. The second rack 73 is engaged with the drive gear box 71 and connected to the outside of the blow mold. The first rack 72 and the second rack 73 are both arranged to extend in the front-back direction. When the drive gear box 71 operates, the first rack 72 and the second rack 73 can be driven to move in the front-back direction, so that the blow mold 6 and the injection mold 5 can move in the front-back direction, and the injection mold 5 and the blow mold 6 are further guided and positioned.

[0047] Specifically, the driving gear box 71 comprises a gear box body 711, a gear motor for driving a driving gear 712 provided in the gear box body 711, a first driven gear 713 and a second driven gear 714 both engaged with the driving gear 712, the first rack 72 penetrates the gear box body 711 and is engaged with the first driven gear 713, and the second rack 73 penetrates the gear box body 711 and is engaged with the second driven gear 714. The gear motor rotates to drive the driving gear 712 to rotate, so as to drive the first driven gear 713 and the second driven gear 714 to rotate, so that the first rack 72 and the second rack 73 move in the front-rear direction. The translation mechanism 7 of the embodiment is efficient, simple in structure, easy to use, and can play a guiding role. Preferably, the translation mechanism 7 is provided in plurality, and the left and right sides of the mold frame 2 are provided with the same number of translation mechanisms 7, so that the injection mold 5 and the blow mold 6 are more balanced when moving, and the moving process is more stable.

[0048] Similarly, the slide rails 22 are provided in at least two, and the two slide rails 22 are respectively arranged on the left and right sides of the bottom side of the mold frame 2, so that the moving process of the injection mold 5 and the blow mold 6 is more stable.

[0049] Specifically, the rotating mold 3 is rotationally connected with the mold frame 2 through a rotating shaft 34, the rotating driving part 4 comprises a servo motor 41 and a speed reducer 42 connected with the servo motor 41, an output shaft of the speed reducer 42 is provided with a first gear 43, and an outer periphery of the rotating shaft 34 is provided with a second gear 44 engaged with the first gear 43. The servo motor 41 and the speed reducer 42 are used to drive the second gear 44 to rotate, and then drive the rotating shaft 34 and the rotating mold 3 to rotate, so that the movement of the rotating mold 3 is more stable, the rotating speed is controllable, and the operation is convenient.

[0050] Further, the injection-blow integrated molding mold of the embodiment further comprises a controller (not shown in the figure), the mold frame 2 is further provided with an induction switch for sensing that the second gear 44 is rotated to the position, the induction switch (not shown in the figure), the servo motor 41 and the gear motor are electrically connected with the controller respectively, the controller is used for receiving signals transmitted by the induction switch, and rotating the servo motor 41 and the gear motor, so as to drive the rotating mold 3 to reciprocating rotate and the injection mold 5 and the blow mold 6 to reciprocating move.

[0051] In the embodiment, the inductive switch can be an inductive proximity switch in the prior art, which is a non-contact detection switch for sensing the proximity of a metal target. Its working principle can refer to the working principle of the inductive proximity switch in the prior art. In the embodiment, the built-in inductive switch is installed on the top of the mold frame 2, and the sensing part of the inductive switch is close to the top of the rotating mold 3, corresponding to the built-in positioner on the top of the rotating mold 3. When the second gear 44 drives the rotating shaft 34 to rotate 180°, that is, the rotating mold 3 rotates 180°, the positioner rotates to the position directly below the inductive switch, and the inductive switch senses the information of the positioner below, that is, transmits a signal to the controller. When the rotating mold 3 rotates, the positioner passes through the inductive switch, and the inductive switch cannot sense, that is, no signal is transmitted. The controller can determine that the rotating mold 3 completes the rotation of 180° according to the signal transmitted by the inductive switch. Through such design, the specific actions of the servo motor 41 and the gear motor can be controlled according to the rotation of the second gear 44, to drive the rotating mold 3 to reciprocate and rotate, and the reciprocating movement of the injection mold 5 and the blow mold 6, to form cooperation to make the injection and blow work synchronous.

[0052] Preferably, in the embodiment, the rotating shaft 34 includes an upper rotating shaft 341 and a lower rotating shaft 342, which are respectively arranged on the upper and lower sides of the rotating mold 3 and penetrate the mold frame 2, and the second gear 44 is installed on the outer periphery of the upper rotating shaft 341.

[0053] The outer side of the lower rotating shaft 342 is sleeved with a pipeline sleeve 35, which is provided with an air inlet and outlet 351, a water inlet and outlet 352, and an oil inlet and outlet 353 penetrating into the rotating mold 3, to ensure the normal use of the rotating mold 3.

[0054] The injection blow integrated molding mold of the embodiment has the advantages of one-step injection blow integration, such as simultaneous injection of the embryo and blowing of the bottle, high production efficiency, less equipment occupation, no need to heat the bottle embryo 8, low energy consumption, greatly improved product production efficiency and quality level, and reduced labor cost, so that the product has more competitiveness. Compared with the existing mold frame 2 on the Greene column, the patent has the following advantages:

[0055] 1. The mold frame 2 is fixed on the base 1, which plays a fixing and supporting role, and well guarantees the stability of the mold frame 2 and the rotation stability of the rotating drive 4 on the mold frame 2 through the rotating shaft 34 to drive the rotating mold 3;

[0056] 2. Through the sliding guide between the lower slider 221 and the slide rail 22, and the guide between the two side racks and the drive gear box 71,

[0057] The multi-stage guiding cooperation of the frame guide column 21 and the first and second frame guide sleeves 63 and the mold guide column 32 and the first and second guide holes can realize multiple guiding and positioning, and then can realize smooth mold opening and closing and high-precision positioning between molds, ensure high-precision alignment of the center of the rotating mold 3 core and the center of the injection cavity 52 of the injection mold 5 and the center of the blow cavity 62 of the blow mold 6, and the product mold line is small.

[0058] 3. The reasonable design of the rotating driving part 4 makes the mold have the advantages of smooth operation, high repeatability and small production noise.

[0059] 4. The injection blow integrated forming mold can be installed on the basis of a traditional injection molding machine to realize injection blow integration, has strong applicability, simple equipment modification, and fast production line transformation.

[0060] 5. The mold frame 2 does not need to be fixed on the Green column, and the mold volume and weight do not need to consider the size, spacing size, bearing capacity and the like of the Green column. The rotating mold 3 has a large cavity space, and the forming efficiency is greatly improved.

[0061] It should be noted that in the present application, the terms "upper", "lower", "front", "rear", "left", "right" and the like indicate the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In the present embodiment, the rotation axis of the rotating mold is vertical, and the injection mold and the blow mold are arranged on the front and rear sides of the rotating mold respectively. It can be understood that in some other embodiments, the rotation axis of the rotating mold can also be horizontal, at this time, the injection mold and the blow mold are arranged on the upper and lower sides of the rotating mold respectively. Of course, the injection mold and the blow mold do not necessarily need to be arranged on the opposite sides of the rotating mold, but can also be arranged at an interval of 90° around the rotation axis.

[0062] The above-described embodiments only express several embodiments of the present application, and the description is more specific and detailed, but it cannot be understood as limiting the scope of the present patent. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which are within the scope of protection of the present application.

Claims

1. An injection blow integrated molding mold characterized by, The utility model relates to a kind of injection blow integrated forming mould, including: Base, the base is fixedly arranged; Mould frame, fixed on the base, rotating connection has rotating mould in the mould frame, rotating driving part for driving the rotating mould rotation is provided on the mould frame, the front and back of the mould frame is provided with frame guide pillar extending along front and back direction, the bottom side of the mould frame is provided with slide rail extending along front and back direction, the front and back of the rotating mould is provided with multiple first mould and multiple mould guide pillar, the first mould is equipped with bottle mouth core, every bottle mouth core is provided with core rod with blowing channel, the core rod can be relative to bottle mouth core telescopic, the first mould is further provided with lock catch; Injection mold, set to the front side of the mould frame, the bottom side of the injection mold is provided with first support seat, the first support seat is slidably connected with the slide rail by sliding block, the rear side of the injection mold is provided with multiple second moulds adapted to the first mould, the second mould includes two first inclined sliding blocks, the two first inclined sliding blocks form injection cavity adapted to the bottle mouth core and core rod, the two first inclined sliding blocks are provided with first lock connection hole matched with the lock catch, the injection mold is provided with glue inlet, hot runner and glue inlet needle valve, the injection mold is further provided with first frame guide sleeve matched with the frame guide pillar and first mould guide hole matched with the mould guide pillar; Blow mould, set to the rear side of the mould frame, the bottom side of the blow mould is provided with second support seat, the second support seat is slidably connected with the slide rail by sliding block, the front side of the blow mould is provided with multiple third moulds adapted to the first mould, the third mould includes two second inclined sliding blocks, the two second inclined sliding blocks form blow cavity adapted to the bottle mouth core and core rod, the two second inclined sliding blocks are provided with second lock connection hole matched with the lock catch, the third mould is provided with ejector rod, the ejector rod is used to eject hollow bottle, the side of the mould frame towards the blow mould is further provided with finished product sliding groove for receiving hollow bottle, the blow mould is provided with second frame guide sleeve matched with the frame guide pillar and second mould guide hole matched with the mould guide pillar; Translation mechanism, provided on the mould frame, the translation mechanism can drive the injection mold and blow mould to approach or away from the rotating mould along the front and back direction;When the first mould and the second mould are closed, the lock catch is connected on the first lock connection hole;When the first mould and the third mould are closed, the lock catch is connected on the second lock connection hole.

2. The injection blow integrated forming mould according to claim 1, wherein: The translation mechanism includes a drive gear box, a first rack and a second rack, the drive gear box is arranged on the outside of the mould frame, the first rack is engaged with the drive gear box and connected to the outside of the injection mold, the second rack is engaged with the drive gear box and connected to the outside of the blow mold, the first rack and the second rack are arranged extending along the front and back direction.

3. The injection blow integrated forming mold according to claim 2, characterized in that: The translation mechanism is provided in plurality, and the same number of translation mechanisms are provided on the left and right sides of the mold frame.

4. The injection blow integrated forming mold according to claim 2, characterized in that: The drive gear box comprises a gear box body, a gear motor, a driving gear provided in the gear box body, a first driven gear and a second driven gear, the gear motor is used to drive the driving gear, the first driven gear and the second driven gear are engaged with the driving gear, the first rack is engaged with the first driven gear by penetrating the gear box body, and the second rack is engaged with the second driven gear by penetrating the gear box body.

5. The injection blow integrated forming mold according to any one of claims 1-4, characterized in that: The slide rail is provided in at least two, and the two slide rails are respectively provided on the left and right sides of the bottom side of the mold frame.

6. The injection blow integrated forming mold according to claim 4, characterized in that: The rotary mold is rotationally connected with the mold frame through a rotating shaft, the rotary drive comprises a servo motor and a speed reducer connected with the servo motor, the output shaft of the speed reducer is provided with a first gear, and the outer periphery of the rotating shaft is provided with a second gear engaged with the first gear.

7. The injection blow integrated forming mold according to claim 6, characterized in that: Further comprising a controller, the mold frame is further provided with a sensing switch for sensing the rotation of the second gear to the position, the sensing switch, the servo motor and the gear motor are electrically connected with the controller respectively, the controller is used to receive the signal transmitted by the sensing switch and control the rotation of the servo motor and the gear motor, so as to drive the rotary mold to reciprocating rotate and the injection mold and the blow mold to reciprocating move.

8. The injection blow integrated forming mold according to claim 7, characterized in that: The rotating shaft comprises an upper rotating shaft and a lower rotating shaft, the upper rotating shaft and the lower rotating shaft are respectively provided on the upper side and the lower side of the rotary mold and penetrate the mold frame, and the second gear is mounted on the outer periphery of the upper rotating shaft.

9. The injection blow integrated forming mold according to claim 8, characterized in that: The outer side of the lower rotating shaft is sleeved with a pipeline sleeve, and the pipeline sleeve is provided with an air inlet and outlet, a water inlet and outlet and an oil inlet and outlet penetrating into the rotary mold.