CN113696455A

CN113696455A - Injection and blowing integrated machine

Info

Publication number: CN113696455A
Application number: CN202111092047.1A
Authority: CN
Inventors: 蔡桂森
Original assignee: Zhejiang Hongzhen Machine Mould Group Co ltd
Current assignee: Zhejiang Hongzhen Machine Mould Group Co ltd
Priority date: 2021-09-17
Filing date: 2021-09-17
Publication date: 2021-11-26

Abstract

The invention relates to an injection and blowing integrated machine. The core of current notes blow all-in-one needs to break away from with the bottle base, influences machining efficiency. The bottle blowing machine comprises a rack, wherein an injection molding mechanism with an injection molding cavity, a bottle blowing mechanism with a bottle blowing cavity and a conveying mechanism are arranged on the rack, the conveying mechanism comprises a core body and a half clamp, the core body is inserted into the injection molding cavity and is subjected to injection molding to form a bottle blank, the half clamp is arranged at the injection molding mechanism to grab the bottle blank and convey the bottle blank to the bottle blowing mechanism, and the core body inserted into the bottle blank synchronously moves into the bottle blowing cavity along with the half clamp and blows the bottle blank into a bottle body. Set up the core on conveying mechanism, and press from both sides and the bottle base synchronous motion that the mechanism processing of moulding plastics formed with the huff of centre gripping bottle base for the core need not to extract when the bottle base is transported, has both shortened core ascending distance, promotes machining efficiency through shortening long time that once injection moulding processed, still through reducing the core rise height and need not to reserve too much ascending space for the core, and then effectively reduces the height of blowing notes all-in-one, promotes and uses experience.

Description

Injection and blowing integrated machine

Technical Field

The invention relates to the field of plastic processing, in particular to an injection and blowing integrated machine.

Background

The existing injection-blowing integrated machine has the functions of bottle blank injection molding and bottle body blowing at the same time, and can process particle raw materials into a bottle body in one step. The existing injection-blowing integrated machine comprises a rack, and an injection molding mechanism, a bottle blowing mechanism and a conveying mechanism which are arranged on the rack, wherein the injection molding mechanism is used for injection molding to form a bottle blank, the conveying mechanism is used for conveying the bottle blank formed by processing the injection molding mechanism to the bottle blowing mechanism, and the bottle blowing mechanism is used for blowing the bottle blank into a bottle body. The injection molding mechanism comprises an injection molding cavity and an injection molding core which can be inserted into the injection molding cavity, and the bottle blowing mechanism comprises a bottle blowing cavity and a stretching pipe which can be inserted into the bottle blowing cavity.

When the injection molding machine is used, a bottle blank processed and formed in the injection molding mechanism firstly rises to a separated cavity when the mold is opened, and then rises to a height separated from the tube blank, the bottle blank is clamped by the half clamp and horizontally transferred to the bottle blowing mechanism and then falls into the bottle blowing cavity, and then the stretching mechanism drives the stretching rod to be inserted into the bottle blank to stretch and blow the bottle, so that the mold opening distance of the injection molding cavity is very long, the rising distance of the injection molding core is large, the time required by single injection molding of the injection molding mechanism is prolonged due to the increase of the displacement distance of the injection molding core, the height of the injection molding all-in-one machine is increased due to the large rising space required by the injection molding core, and a stretching sealing structure is arranged on the bottle blank and the half clamp to move to the bottle blowing cavity, the production efficiency is influenced, and the production cost is increased.

Disclosure of Invention

In order to solve the defects of the prior art, the invention provides the injection-blowing all-in-one machine, wherein the conveying mechanism is provided with the core body which can be linked with the bottle blank, so that the time required by single injection molding processing is shortened by shortening the ascending distance of the core body, the processing efficiency is improved, the height of the injection-blowing all-in-one machine is effectively reduced, and the use experience is improved.

The invention is realized by the following modes: an injection and blowing integrated machine comprises a rack, wherein an injection molding mechanism with an injection molding cavity, a bottle blowing mechanism with a bottle blowing cavity and a conveying mechanism are arranged on the rack, the conveying mechanism comprises an axially telescopic core body and a half clamp capable of being opened and closed and switched, the core body is inserted into the injection molding cavity and is subjected to injection molding to form a bottle blank, the half clamp is matched with the core body at the injection molding mechanism to grab the bottle blank and convey the bottle blank to the bottle blowing mechanism, and the core body inserted into the bottle blank synchronously moves into the bottle blowing cavity along with the half clamp and blows the bottle blank into a bottle body. Set up the core on conveying mechanism, and press from both sides and the bottle base synchronous motion that the mechanism processing of moulding plastics formed with the huff of centre gripping bottle base, make the core need not to extract when the bottle base is transported, and regard as tensile pole when tensile bottle blowing, save tensile pole and stretching mechanism, both shorten the core rise distance through the action of saving the bottle base of extracting, the rise distance of core reduces to original half, make the core save half air-drawing stroke, promote machining efficiency through shortening time length of single injection moulding, still through reducing core rise height and need not to reserve too much ascending space and the distance that tensile pole inserted the bottle base once more for the core and save time, and then reduce the height of blowing and annotating the all-in-one, promote and use experience. The core has the functions of injection molding core and stretching tube in the use process, can be inserted into the injection molding cavity to realize the function of injection molding core and complete injection molding operation, and can also be downwards stretched through the core in the bottle blowing cavity and perform bottle blowing operation, thereby omitting a stretching mechanism and a sealing mechanism, improving production efficiency, saving manufacturing cost, ensuring that the bottle blank is not eccentric and ensuring quality. Meanwhile, a cold and hot temperature adjusting component is arranged in the core body, so that the temperature of the bottle blank is always maintained in the temperature range required by processing.

Preferably, the conveying mechanism comprises a movable table, and the core body can be vertically installed on the movable table in a lifting mode, so that the core body can move between the injection molding cavity and the bottle blowing cavity and can be switched in a plugging mode. The core body is vertically lifted and can be matched and spliced with an injection molding cavity or a bottle blowing cavity with an upward and open cavity opening. Specifically, the core body is vertically inserted into the bottle blowing cavity and plays a role of stretching the tube, and sufficient lifting adjusting space and power are provided for the core body to be pulled downwards by utilizing the space above the injection molding mechanism, so that the core body is ensured to meet the requirements of downward movement and high-pressure air delivery when the bottle blowing operation is carried out; the core is vertical to be planted at the injection molding intracavity and encloses to close and form the airtight cavity that supplies the raw materials to fill, reduces the effort that receives when moulding plastics through reducing the projected area of core along its direction of planting, can realize the production of multicavity multirow, improves production efficiency, plays the effect of simplifying the structure and reducing the structural strength requirement to spacing subassembly, both reduces the processing cost, still promotes the reliability of moulding plastics, prevents that the core from taking place to break away from the condition in injection molding chamber when moulding plastics.

Preferably, the conveying mechanism comprises a limiting assembly, and the core body is vertically inserted into the injection molding cavity and clamped and positioned by the limiting assembly, so that the injection molding cavity, the half clamp and the core body are enclosed to form a closed cavity which is isolated from the external space and used for filling raw materials. Effective location of the core body in the injection molding operation is ensured by arranging the limiting component, so that the injection molding cavity inner side wall, the clamping cavity of the half clamp and the core body outer side wall are matched to form a closed cavity for injection molding, the contour of the produced bottle blank is ensured to meet the design requirement, and the product quality is ensured.

Preferably, the limiting assembly comprises a limiting ring sleeved on the core body, the limiting ring is fixedly connected to the movable table to ensure that the core body can only stretch the bottle blowing downwards and cannot rise upwards, the inner edge of the bottom of the limiting ring extends downwards to form a clamping ring, an upward bearing ring surface is arranged on the outer side wall of the core body, the bearing ring surface is stressed to rise and is clamped and positioned by the limiting ring, and after the core body is inserted into the injection molding cavity, the movable table drives the limiting ring to move from top to bottom and abut against the bearing ring surface through the clamping ring to limit upward deviation of the core body. The spacing ring through locate its below card put the ring with the vertical overlap joint of bearing anchor ring on the core is spacing, ensures that the core is suspended the preset height department in the injection molding intracavity all the time, and then guarantees that the wall thickness of output bottle base satisfies the design requirement. The clamping ring is sleeved on the core body to ensure that the clamping ring and the core body are concentrically connected, so that the contour of the closed cavity is kept unchanged, and the contour uniformity of a product is ensured.

Preferably, the diameter of the outer side wall of the clamping ring is matched with the diameter of the inner side wall of the blank opening of the bottle blank, and after the limiting ring is clamped in place, the clamping ring is suspended in the half clamp and is used for pouring raw materials to form the blank opening. The outer side wall of the clamping ring forms a local inner side wall of the closed cavity and plays a shaping role on raw materials, and specifically, the outer side wall of the clamping ring is matched with the cavity clamping wall surface of the half clamp to form an area for forming a bottle blank opening through injection molding.

Preferably, the diameter of the outer edge of the bottom surface of the clamping ring is matched with the diameter of the outer edge of the bearing ring surface so as to enable the clamping ring and the bearing ring surface to be connected flatly, and the diameter of the inner edge of the bottom surface of the clamping ring is matched with the diameter of the inner edge of the bearing ring surface so as to enable the inner side wall of the clamping ring to be matched and attached with the outer side wall of the core body. The vertical projection of ring bottom surface and bearing anchor ring are put to the card each other is coincidence, has both ensured to have the biggest area of contact between the two, still ensures that the card puts the ring lateral wall and the lateral wall that the core is located bearing anchor ring below district section and levels the linking, makes the inside lateral wall of ring and core of putting of card again lie in the lateral wall of bearing anchor ring top district and closely laminate, plays radial positioning's effect to the ring of putting.

Preferably, the outer edge of the bottom surface of the limiting ring is provided with an upper convex rib, the periphery of the cavity opening of the injection molding cavity is provided with a lower convex rib, the top surface and the bottom surface of the half clamp are respectively provided with an upper positioning groove and a lower positioning groove, the first lifting assembly drives the limiting ring to move downwards through the movable table and vertically clamps the injection molding cavity opening, and the upper convex rib and the lower convex rib are vertically inserted into the upper positioning groove and the lower positioning groove respectively so that the half clamp is closed and locked. The splicing direction between the upper convex rib and the upper positioning groove and between the lower convex rib and the lower positioning groove is vertical to the opening and closing direction of the half clamp, so that the half clamp is ensured to have better positioning stability during injection molding. Specifically, only when the upper convex rib and the upper positioning groove are separated from each other and the lower convex rib and the lower positioning groove are separated from each other, the half clamp can be opened, and the stability of the half clamp for grabbing the bottle blank is ensured. The lower convex rib and the lower positioning groove are separated when the mold is opened, the half clamp, the core body and the bottle blank move together into the bottle blowing cavity, after the bottle blowing operation is completed, the half clamp is vertically separated from the movable table, so that the upper convex rib and the upper positioning groove are separated, and at the moment, the half clamp is opened and separated from the bottle body, so that the bottle body falls downwards.

Preferably, the conveying mechanism comprises a bottle blowing assembly, the bottle blowing assembly comprises a blowing hole formed in the limiting ring and a blowing groove vertically formed in the outer side wall of the core, and the core moves downwards and guides high-pressure air in the blowing hole into the bottle blank through the blowing groove so that the bottle blank is blown into a bottle body. The core body plays a role of stretching the tube when being inserted into the bottle blowing machine, can continuously convey high-pressure air to the bottle blank, can also control the core body to extend downwards for positioning, and always conveys the high-pressure air to the interior of the bottle blank, thereby ensuring the bottle blowing quality. The outer port of the blowing hole is communicated with an external high-pressure air source, and the inner port of the blowing hole can be communicated with the blowing groove all the time when the core body extends downwards, so that the conveying stability and continuity of high-pressure air are ensured, and the bottle blank is ensured to be expanded uniformly. In the blowing process, the air blowing groove is bridged between the air blowing hole and the inner cavity of the bottle blank and is isolated from the external space.

Preferably, the half clamp is installed on the bottom surface of the movable table through a lifting fixing plate, so that the half clamp can independently lift relative to the movable table. Order about ha fu clamp relative movable table through the solid fishplate bar that sets up the liftable and go up and down independently, ensure that ha fu clamp can realize through independent lift that overhead protruding muscle and the vertical plug of overhead constant head tank switch to make ha fu clamp can the switching smoothly, in addition, ha fu clamp realizes through vertical lift with core relative displacement, makes core physical stamina and bottle or bottle realize relative displacement, makes things convenient for the core to pull out from.

Preferably, the two bottle blowing mechanisms are respectively arranged at two sides of the injection molding mechanism, the conveying mechanism comprises two groups of cores which correspond to the bottle blowing mechanisms one by one, and the cores are arranged in the movable table in a lifting manner so as to enable the cores to synchronously and horizontally move. The time length of single processing of the mechanism of moulding plastics is less than the time length of single processing of bottle blowing mechanism, receives and blows the bottle base that comes from the mechanism of moulding plastics in turn through setting up two sets of bottle blowing mechanisms, and conveying mechanism is equipped with one and orders about the activity platform that the core goes up and down and the translation in step, ensures that the bottle base of the mechanism output of moulding plastics is carried to the bottle blowing mechanism of both sides in turn accurately, effectively promotes production efficiency. In the production process, the conveying mechanism can simultaneously participate in injection molding operation and bottle blowing operation through different cores, so that mutual interference among the cores is effectively prevented, and the production efficiency is further ensured. The core bodies are all arranged on the same movable table, so that the core bodies can be ensured to be capable of moving in a reciprocating mode between the injection molding mechanism and the corresponding bottle blowing mechanism.

Preferably, the number of the injection molding cavities is matched with the number of the bottle blowing cavities in a single bottle blowing mechanism, the injection molding mechanism continuously produces bottle blanks and alternately conveys the bottle blanks to the corresponding bottle blowing mechanisms, the bottle blanks produced by the injection molding mechanism at a single time can be alternately received by the two bottle blowing mechanisms and blown into bottles, the processing efficiency is effectively improved, and the bottle blanks are prevented from being extruded.

Preferably, the injection mold is provided with a plurality of rows of injection molding cavities, and the relative positions of the injection molding cavities are matched and correspond to the relative positions of the bottle blowing cavities on the bottle blowing mechanisms. The mechanism of moulding plastics accessible sets up a plurality of injection moulding chambeies and realizes many bottle base simultaneous processing, and the homoenergetic in each bottle blowing mechanism effectively receives and handles the bottle base that the mechanism of moulding plastics single processing formed, promotes machining efficiency, the energy can be saved.

Preferably, the conveying mechanism comprises a first lifting assembly for driving the core and the movable table to lift synchronously, a second lifting assembly for driving the core to stretch the bottle blank downwards in the bottle blowing cavity, and a translation assembly for driving the core positioned at the extraction station to drive the movable table to move back and forth between the injection molding mechanism and the bottle blowing mechanism, and the movable table is suspended at the bottom of the first lifting assembly through the translation assembly so that the translation assembly is driven by the first lifting assembly to lift synchronously with the movable table. The fixed connection end of the first lifting component is fixedly connected to the frame, the telescopic end is fixedly connected to the movable template of the injection molding machine, the movable part of the first lifting component is fixedly connected with the translation component, the movable part of the translation component is fixedly connected with the movable table, the movable table provides a fixedly connected support for the second lifting component, and the movable part of the second lifting component is fixedly connected with the top end of the core body. When using, translation subassembly can be ordered about to first lifting unit, movable table and the synchronous lift of core, realize that the core switches between extracting the station and inserting the station, translation subassembly can order about movable table and the synchronous translation of core, realize the core at the reciprocal translation between injection moulding mechanism and bottle blowing mechanism, realize bottle base, ha fu clamp and core synchronous transportation, second lifting unit can order about each core and independently go up and down to the bottle base that makes to be in the bottle blowing intracavity can be blown into the bottle. When the first lifting assembly drives the connecting platform to ascend, the half clamp opens the half, the core body ascends and is separated from the blown bottle body, and the bottle body falls off.

Preferably, the top of the first lifting assembly is fixedly connected with the rack, and the bottom of the first lifting assembly drives the translation assembly to lift through a movable template of the injection molding machine, so that the first lifting assembly sequentially drives the core body to lift and switch between an insertion station inserted into the injection molding cavity or the bottle blowing cavity and an extraction station separated from the injection molding cavity or the bottle blowing cavity through the translation assembly and the movable platform. The first lifting component can drive the core body on the movable table and the half clamp to synchronously lift, so that the bottle blank formed by injection molding in the closed cavity is pulled out of the injection molding cavity.

Preferably, the translation assembly comprises a movable injection molding machine template fixedly connected with the first lifting assembly and a driving part driving the movable table to translate back and forth along the movable injection molding machine template, and a track for the movable table to translate is arranged on the movable injection molding machine template. The movable mould plate of the injection molding machine provides horizontal positioning support for the driving part, so that the driving part can stably drive the movable table to move in a reciprocating mode between the injection molding mechanism and the bottle blowing mechanism along the rail. When the movable table is used, the first lifting component can horizontally limit the movable template of the injection molding machine, and the movable table is ensured to accurately displace under the driving of the driving part.

Preferably, the movable table comprises a top plate connected with the translation assembly and a bottom plate suspended below the top plate, the movable table is arranged below a movable template of the injection molding machine, the bottom of the second lifting assembly is arranged on the movable table, and the top of the second lifting assembly is fixedly connected with the top end of the core body, so that the core body can be independently lifted when the movable table is static. The movable table is of a box-type structure, and a space for accommodating the second lifting assembly is formed in the movable table. The bottom plate and the top plate are fixedly connected in a matched mode, the relative positions of the top plate and the bottom plate are fixed and always kept parallel to each other, and therefore the top plate can be guaranteed to drive the second lifting assembly, the core body and the half clamp to move synchronously through the movable table when the top plate receives vertical acting force or horizontal acting force from the translation assembly. The top plate can horizontally slide along the rail, the rail plays a role in guiding the movable table to horizontally move and also plays a role in bearing the gravity of the movable table, and the bottom plate can provide positioning support for the second lifting assembly to ensure that the core body can lift relative to the movable table.

The invention has the following outstanding beneficial effects: set up the core on conveying mechanism, and press from both sides and the bottle base synchronous motion that the mechanism processing of moulding plastics formed with the huff of centre gripping bottle base, make the core need not to extract when the bottle base is transported, both shorten the core rise distance through the action of saving to extract the bottle base, shorten the tensile length of core when the bottle blowing, through shortening long promotion machining efficiency of time that single injection moulding was processed, still need not to reserve too much rising space for the core through reducing core rise height, and then effectively reduce the height of blowing and annotating the all-in-one, tensile seal structure has been saved, use the core as tensile pole to shorten tensile at least more than half tensile stroke, promote and use experience.

Drawings

FIG. 1 is a schematic view in partial cross-section of the preform, core and huff clip as they are removed from the injection mold cavity;

FIG. 2 is a schematic view of a partial cross-sectional structure of the injection and blowing integrated machine;

FIG. 3 is a schematic view, partially in section, of the core as it is being driven by the second lifting assembly to blow the bottle;

FIG. 4 is a schematic view of the structure of the half clamp in partial section when it is opened;

FIG. 5 is a schematic view of a radial cross-sectional structure of the core body with a blowhole section;

FIG. 6 is a schematic structural diagram of the all-in-one machine;

FIG. 7 is a schematic view of an assembly structure of the fixing plate and the half clamp;

in the figure: 1. the device comprises a rack, 2, an injection molding cavity, 3, an injection molding mechanism, 4, a bottle blowing cavity, 5, a bottle blowing mechanism, 6, a conveying mechanism, 7, a core body, 8, a half clamp, 9, a movable table, 10, a limiting ring, 11, a clamping ring, 12, a bearing ring surface, 13, an upper convex rib, 14, a lower convex rib, 15, an upper positioning groove, 16, a lower positioning groove, 17, an air blowing hole, 18, an air blowing groove, 19, a second lifting assembly, 20, a bottle blank, 21, a rail, 22, a top plate, 23, a driving plate, 24, a movable mold plate of the injection molding machine, 25, a fixed connection plate, 26, a first lifting assembly, 27 and a translation assembly.

Detailed Description

The essential features of the invention will be further explained below with reference to the drawings and the detailed description of the specification.

An injection and blowing integrated machine as shown in fig. 1 and 2 is composed of a frame 1, wherein an injection mechanism 3 with an injection cavity 2, a bottle blowing mechanism 5 with a bottle blowing cavity 4 and a conveying mechanism 6 are arranged on the frame 1, and is characterized in that the conveying mechanism 6 comprises a core 7 which can axially extend and contract and is inserted into a bottle blank and a half clamp 8 which can be opened and closed for switching, the core is inserted into the injection cavity and is subjected to injection molding to form the bottle blank, the half clamp 8 grabs the bottle blank 20 at the injection mechanism 3 and conveys the bottle blank to the bottle blowing mechanism 5, and the core 7 inserted into the bottle blank synchronously moves into the bottle blowing cavity 4 along with the half clamp 8 and blows the bottle blank into a bottle body. Core 7 is along with bottle base 20 by hough clamp 8 follow injection molding cavity 2 back synchronous movement to the bottle blowing chamber 4 of extracting in, core 7 has the effect of the injection molding core and the tensile pipe in the original all-in-one structure concurrently, make core 7 need not to extract when bottle base 20 transports, both shorten core 7 ascending distance through the action of saving extract bottle base 20, it promotes machining efficiency to shorten the length of time of single injection molding processing, still need not to reserve too much ascending space for core 7 through reducing core 7 ascending height, and then effectively reduce the height of blowing and injecting the all-in-one, promote and use experience.

In practical operation, the conveying mechanism 6 comprises a movable table 9, and the core 7 is vertically installed on the movable table 9 in a lifting manner, so that the core 7 can move between the injection molding cavity 2 and the bottle blowing cavity 4 and can be switched in a plugging manner. The movable table 9 can be moved in a reciprocating manner between the injection molding mechanism 3 and the bottle blowing mechanism 5. The half clamp 8 is arranged on the bottom surface of the movable table 9, can be linked with the movable table 9 and is convenient for clamping a blank opening of a bottle blank. Specifically, bottle processing is realized among the conveying mechanism 6, the injection molding mechanism 3 and the bottle blowing mechanism 5 through the following steps:

firstly, an injection molding mechanism 3 heats and liquefies raw materials through a hot runner, a movable table 9 moves to the position above the injection molding mechanism 3 under the driving of a translation assembly 27, at the moment, the movable table 9 is positioned at a lower station, and a core body 7 is inserted into an injection molding cavity 2 from top to bottom so that the injection molding cavity 2, the core body 7 and a half clamp 8 are enclosed to form a closed cavity;

secondly, after the core body 7 is inserted in place, the limiting assembly is opened, at the moment, the core body 7 is accurately positioned and forms a closed cavity for filling the raw materials with the half clamp 8 and the injection molding cavity 2 in an enclosing mode, the upper protruding rib 13 and the lower protruding rib 14 are respectively inserted into the upper positioning groove 15 and the lower positioning groove 16, the half clamp 8 is closed and locked, and the closed cavity can effectively resist the extrusion acting force generated during filling the raw materials;

thirdly, the injection molding mechanism 3 comprises a hot runner, the liquefied raw material is injected into a closed cavity under the pushing action of an injection molding oil cylinder, and then the raw material is cooled and shaped by filling cooling water into an injection mold and a core body 7, so that a bottle blank is obtained, at the moment, the outline of the bottle blank is fixed and is in a softening state, the core body 7 is inserted into the bottle blank, and a blank opening is clamped by a half clamp 8;

fourthly, the movable table 9 is driven by the first lifting component 26 to ascend from the lower station to the upper station, the half clamp 8 grabs the bottle blank and ascends synchronously with the core body 7, so that the bottle blank moves upwards and is completely separated from the injection molding cavity 2, and at the moment, a channel for the bottle blank to translate is formed between the bottom plate and the periphery of the cavity opening of the injection molding cavity;

fifthly, the movable table 9 at the upper station is driven by the translation component 27 to translate from the position above the injection mechanism 3 to the position above the bottle blowing mechanism 5, so that the bottle blank moves to the position above the bottle blowing cavity 4;

sixthly, the movable table 9 falls from the upper station to the lower station under the driving of the first lifting assembly 26, the half clamp 8 and the core body 7 fall simultaneously, so that the bottle blank is inserted into the bottle blowing cavity 4, and at the moment, the half clamp 8 and the core body 7 radially clamp a blank opening and seal the cavity opening of the bottle blowing cavity 4;

seventhly, the blowing holes 17 receive high-pressure air from an external high-pressure air source and input the high-pressure air into the bottle blank through the blowing grooves 18, the bottle blank in a softened state expands towards the periphery and the lower part due to the fact that the high-pressure air is filled into the bottle blank, in the process, the core body 7 independently extends downwards under the driving of the second lifting assembly 19 (as shown in the figure 3), the high-pressure air is conveyed into the bottle blank along the blowing grooves 18, the movable table 9 and the half clamps 8 are effectively positioned, and the effective sealing of a blank opening is guaranteed;

eighthly, blowing the bottle blank into a bottle body, driving the core body 7 to ascend by the second lifting assembly 19, driving the movable table 9 to move upwards by the first lifting assembly 26, driving the half clamp 8 to be vertically separated from the movable table by the fixed plate, and opening the half clamp by using the dovetail after the upper convex rib 13 is separated from the upper positioning groove 15;

and ninthly, opening the half clamp 8 and separating from the bottle mouth of the bottle body, driving the movable platform 9 to move upwards to the upper station under the driving of the first lifting assembly 26, so that the half clamp 8 and the core body 7 are separated from the bottle blowing mold, and opening the bottle blowing mold and moving the bottle body away from the bottle blowing cavity 4 in the process.

And tenth step, the movable table 9 is driven by the translation assembly 27 to move from the position above the bottle blowing mechanism 5 to the position above the injection molding mechanism 3 and is inserted into the injection molding cavity 2 again, and the first step to the tenth step are repeatedly and circularly performed to obtain a bottle blank and process the bottle blank to form a bottle body.

In the course of working, core 7 need not to extract the bottle base, need not to provide the required space of extracting the bottle base for core 7, can effectively save core 7 and extract the required time of bottle base, and the core is tensile to blow down during the bottle blowing, has saved tension mechanism and tensile pole, through shortening single processing time and promoting machining efficiency, can also effectively reduce the whole height and the required space height of operation of equipment, convenient assembly and use. The movable table is provided with two groups of cores, and a second lifting component and a half clamp which correspond to the cores, so that the two groups of cores and the half clamp can alternately acquire bottle blanks formed by injection molding at the injection molding mechanism and convey the bottle blanks to the corresponding bottle blowing mechanism.

In actual operation, injection mechanism 3 includes integrated into one piece's injection mold, it erects to put and open up the chamber 2 of moulding plastics to set up the axis on the injection mold, conveying mechanism 6 includes spacing subassembly, core 7 is vertical to be inserted and to mould plastics chamber 2 and put the location by spacing subassembly card to make mould plastics chamber 2, half press from both sides 8 and core 7 enclose to close and form and keep apart and supply the airtight cavity that the raw materials poured with external space. Injection mold forms injection molding chamber 2 through integrated into one piece, comes from the extrusion effort of raw materials when effectively resisting moulding plastics through eliminating the processing gap on 2 inside walls in injection molding chamber, ensures that the bottle base lateral wall is smooth and level. The core body 7 is inserted into the injection molding cavity 2 from top to bottom and is matched with the half clamp 8 to block the injection molding cavity 2, the core body 7 is fixed by using the limiting component, and the half clamp 8 is fixed by using the upper positioning groove 15 and the lower positioning groove 16 which are arranged on the top surface and the bottom surface of the half clamp 8, so that the half clamp 8 and the core body 7 can effectively resist the extrusion acting force from raw materials during injection molding. In addition, compare in original injection molding chamber and adopt the mode that the symmetry opened and shut, core 7 is far less than original injection molding chamber along the projection area of 2 opening directions of injection molding chamber along its direction of opening and shutting to satisfy the requirement that sets up a plurality of multirow injection molding chambers, effectively reduced the extrusion effort that core 7 received, and then effectively reduce the requirement to spacing subassembly structural strength, both made things convenient for processing, still promote job stabilization nature, prevent that airtight cavity from taking place the condition that the raw materials was revealed.

In actual operation, spacing subassembly is including the spacing ring 10 of cover setting on core 7, the spacing ring rigid coupling is on the mobile station for spacing and mobile station move together, the bottom inner edge of spacing ring 10 forms the card along downwardly extending and puts ring 11, be equipped with the bearing anchor ring 12 that sets up on the lateral wall of core 7, core 7 inserts behind the injection molding chamber 2, and mobile station 9 drives the top-down removal of spacing ring 10 and puts through the card and encircle 11 conflict bearing anchor ring 12 is last, in order to restrict core 7 skew upwards. As shown in fig. 4, when the conveying mechanism 6 is ready to cooperate with the injection mechanism 3 for an injection operation:

firstly, switching the Hafu clamp 8 from an open state to a closed state to vertically align the upper convex rib 13 with the upper positioning groove 15;

then, the movable table 9 falls to the lower station, the core body 7 is inserted into the injection molding cavity 2, the limiting ring 10 can be abutted against the bearing ring surface 12 through the clamping ring 11 under the driving of the movable table 9, the upper convex rib 13 is inserted into the upper positioning groove 15, and the lower convex rib 14 is inserted into the lower positioning groove 16, so that the core body 7 and the half clamp 8 are effectively positioned and form a closed cavity by enclosing with the injection molding cavity 2;

and finally, filling the raw materials into the closed cavity, and performing injection molding to form a bottle blank.

In actual operation, all be equipped with in core 7 and the injection mold and arrange outside the airtight cavity and with the airtight cavity temperature regulation pipe of mutual nonconducting, come to carry out temperature regulation to the raw materials through carrying medium water or medium oil, the temperature of medium water or medium oil is decided according to raw materials kind and processing step, both guaranteed that the bottle base cools off the design, guarantees not taking place the condition of warping when transporting to bottle blowing cavity 4, still guarantees the compliance of bottle base, guarantees that the bottle base can be directly blown into the bottle after carrying to bottle blowing cavity 4, need not to carry out the secondary heating, effectively simplifies the structure. In addition, because the core body 7 is inserted into the bottle blank all the time, the core body 7 can be made of a material with good heat absorption, the heat loss of the bottle blank during exposure and transportation can be counteracted by storing heat in the core body 7, the bottle blank can be directly blown into a bottle body in the bottle blowing cavity 4, and the heat compensation of the bottle blank can be realized by circulating a high-temperature medium or directly electrifying to generate heat in the core body 7. In addition, the core is provided with a channel for cold and hot water or heat conducting oil to circulate, the bottle blank is enabled to have the temperature for processing and forming the bottle body by adjusting the flow and the temperature of the medium, the rate of certified products is guaranteed, and the energy consumption of secondary heating is saved.

In practical operation, the diameter of the outer side wall of the clamping ring 11 is matched with the diameter of the inner side wall of a bottle blank opening, after the limiting ring 10 is clamped in place, the clamping ring 11 is suspended in the huff clamp 8 and is used for raw material filling to form the blank opening, the diameter of the outer edge of the bottom surface of the clamping ring 11 is matched with the diameter of the outer edge of the supporting ring surface 12, so that the clamping ring 11 and the supporting ring surface 12 are connected flatly, and the diameter of the inner edge of the bottom surface of the clamping ring 11 is matched with the diameter of the inner edge of the supporting ring surface 12, so that the inner side wall of the clamping ring 11 is matched and attached with the outer side wall of the core body 7. The outline and the size of the clamping ring 11 are limited, so that the clamping ring 11 can be accurately positioned in a preset clamping space formed by enclosing the bearing ring surface 12, the limiting ring 10 and the inner side wall of the blank opening.

In this embodiment, the outer edge of the bottom surface of the limiting ring 10 is provided with an upper protruding rib 13, the periphery of the cavity opening of the injection molding cavity 2 is provided with a lower protruding rib 14, the top surface and the bottom surface of the huff clamp 8 are respectively provided with an upper positioning groove 15 and a lower positioning groove 16, when the limiting ring 10 moves downwards and vertically clamps the huff clamp 8 with the cavity opening of the injection molding cavity 2, the upper protruding rib 13 and the lower protruding rib 14 are respectively vertically inserted into the upper positioning groove 15 and the lower positioning groove 16, so that the huff clamp 8 is closed and locked. The half clamp 8 is arranged at the bottom of the movable table 9 through a liftable fixed connection plate 25, so that the half clamp 8 can independently lift relative to the movable table 9, the half clamp 8 can properly lift at the bottom of the movable table 9, and the plugging requirement between the upper convex rib 13 and the upper positioning groove 15 can be met. Thread or concave ring lines are arranged on the inner side wall of a clamping cavity of the half clamp 8, so that matched thread or convex ring lines are formed on the outer side wall of a blank opening of the bottle blank, the half clamp can be used for screwing a bottle cap, and an acting point which is convenient for the half clamp 8 to clamp and grab the bottle blank can be formed. The section profiles between the upper positioning groove 15 and the upper convex rib 13 and between the lower positioning groove 16 and the lower convex rib 14 are the same, so that the positioning stability after insertion is ensured. The two sides of the upper convex rib 13 and the lower convex rib 14 are provided with inclined guide surfaces, so that the upper convex rib 13 and the lower convex rib 14 can be smoothly inserted into the upper positioning groove 15 and the lower positioning groove 16, and the half clamp 8 is accurately positioned and matched with the core body 7 to plug the cavity opening of the injection molding cavity 2.

In this embodiment, the half clamp 8 is mounted on the bottom surface of the movable table 9 through a lifting fixing plate 25 (as shown in fig. 7), so that the half clamp 8 can be lifted independently relative to the movable table 9. The bottom plate that solid connected plate can move about relatively the mobile station goes up and down, and ha fu clamp and solid connected plate vertical position are fixed for ha fu clamp can order about down to carry out vertical lift relatively the mobile station at the solid connected plate, makes overhead constant head tank 15 and overhead protruding muscle 13 realize vertical plug and pull and switch. Hafu clamp can realize freely opening and closing when putting the constant head tank under and at last putting the constant head tank and break away from the constraint, can also keep closed state when putting the constant head tank under and at last putting the constant head tank and receiving the constraint, can not become flexible and skew when guaranteeing to mould plastics the operation, keeps the concentricity, guarantees the quality.

In practical operation, the conveying mechanism 6 includes bottle blowing assemblies corresponding to the cores one by one, the bottle blowing assemblies include air blowing holes 17 formed in the limiting ring 10 and air blowing grooves 18 (as shown in fig. 5) vertically formed in the outer side walls of the cores 7, and the cores 7 move downward and guide high-pressure air in the air blowing holes 17 into the bottle blanks through the air blowing grooves 18, so that the bottle blanks are blown into bottle bodies. The plurality of air blowing grooves 18 are equidistantly arranged along the outer side wall of the core body 7, and the inner side wall of the limiting ring 10 is provided with an air conveying ring communicated with the air blowing holes 17, so that high-pressure air from the air blowing holes 17 can be distributed into the air blowing grooves 18 through the air conveying ring.

In practical operation, the air blowing groove 18 is arranged on the outer side wall of the section of the core body 7 above the bearing ring surface 12, and when the second lifting assembly 19 does not drive the core body 7 to move downwards, the air blowing groove 18 is shielded by the limiting ring 10 during injection molding, so that the raw material is ensured not to leak out through the air blowing groove 18. When the core body 7 moves downwards under the driving of the second lifting component 19, the clamping ring 11 is separated from the bearing ring surface 12, so that the air blowing groove 18 is exposed and high-pressure air is injected into the bottle blank, and the bottle blowing forming effect is achieved.

In actual operation, the two bottle blowing mechanisms 5 are respectively arranged at two sides of the injection molding mechanism 3, the conveying mechanism 6 comprises two groups of cores corresponding to the bottle blowing mechanisms 5, the cores are arranged in the movable table in a lifting manner so as to be capable of synchronously and horizontally moving, the number of the injection molding cavities 2 is matched with the number of the bottle blowing cavities 4 in a single bottle blowing mechanism 5, and the injection molding mechanism 3 continuously produces bottle blanks and is alternately conveyed to the corresponding bottle blowing mechanisms 5 by the corresponding conveying mechanisms 6. The bottle base that the mechanism 3 produced of moulding plastics can be carried in the bottle blowing mechanism 5 of both sides alternately, and it is long for the bottle blowing mechanism 5 provides sufficient single processing, ensures product quality, can also effectively promote the machining efficiency of the mechanism 3 of moulding plastics, promotes output. The conveying mechanism 6 comprises a movable table, the core bodies, the second lifting assembly and the half clamp are all arranged on the same movable table, the relative positions of the core bodies are fixed, linkage can be achieved under the driving of the translation assembly 27 and the first lifting assembly 26, when the conveying mechanism is used, the axial distance between the axis of the bottle blowing cavity 4 and the axial distance between the axis of the injection molding cavity 2 are the same, and the axial distance is matched with the axial distance between the core bodies on the movable table 9, so that the core bodies synchronously and accurately move to the corresponding bottle blowing cavities and the corresponding injection molding cavities.

In actual operation, the injection mold is provided with a plurality of rows of injection molding cavities 2, each row is provided with one or more injection molding cavities 2, and the relative positions of the injection molding cavities 2 are matched and correspond to the relative positions of the bottle blowing cavities 4 on the bottle blowing mechanisms 5, so that bottle blanks formed by single processing of the injection molding mechanism 3 can be synchronously received and processed by the bottle blowing mechanisms 5, and the yield is effectively improved. The adjustment of the production by adjusting the number of rows and the number of individual rows of injection cavities 2 is to be regarded as a specific embodiment of the invention.

In practical operation, the conveying mechanism 6 includes a first lifting assembly 26 for driving the core, the translation assembly and the second lifting assembly to lift synchronously, a second lifting assembly 19 for driving the core 7 to stretch the bottle blank downwards in the bottle blowing cavity 4, and a translation assembly 27 (as shown in fig. 6) for driving the core 7 located at the extraction station to reciprocate between the injection molding mechanism 3 and the bottle blowing mechanism 5, and the movable table suspends the bottom of the first lifting assembly 26 through the translation assembly 27, so that the translation assembly 27 is driven by the first lifting assembly 26 to lift synchronously with the movable table. The top of the first lifting component 26 is fixedly connected with the frame, and the bottom drives the movable template 24 of the injection molding machine to lift so as to synchronously lift the translation component 27, the movable table, the core body, the half clamp and the second lifting component, so that the core body is lifted and switched between an inserting station and a pulling station; the translation component 27 drives the movable table to horizontally move relative to the movable template 24 of the injection molding machine, so that the movable table, the core body, the half clamp and the second lifting component synchronously translate, and the core body is switched between the injection molding mechanism and the bottle blowing mechanism in a translation manner; the second lifting component is fixedly connected on the bottom plate and drives the core body to lift, so that the core body can independently lift and perform bottle blowing operation.

In practical operation, the first lifting assembly 26, the second lifting assembly 19 and the translation assembly 27 can all adopt oil cylinders, and can also adopt driving structures such as air cylinders, lead screws and the like, which should be regarded as specific embodiments of the present invention. In addition, the driving structure for driving the fixing plate to ascend and descend can also be an oil cylinder, an air cylinder, a lead screw and the like, and should also be regarded as a specific embodiment of the invention.

In actual operation, the top of the first lifting component 26 is fixedly connected with the rack, and the bottom of the first lifting component 26 drives the translation component 27 to lift, so that the first lifting component 26 sequentially drives the core body to lift and switch between an insertion station inserted into the injection molding cavity 2 or the bottle blowing cavity 4 and a pulling-out station separated from the injection molding cavity 2 or the bottle blowing cavity 4 through the translation component 27 and the movable table. The top of the frame that first lifting unit 26 set up, translation subassembly 27 set up in first lifting unit 26 below, and the movable platform setting is in translation subassembly 27 below, and the second lifting unit sets up in the movable platform. The translation assembly 27 comprises an injection molding machine movable mold plate 24 fixedly connected with the first lifting assembly 26 and a driving portion for driving the movable table to perform reciprocating translation along the injection molding machine movable mold plate 24, a track 21 for the movable table to perform translation is arranged on the injection molding machine movable mold plate 24, two tracks 21 horizontally arranged are arranged on the injection molding machine movable mold plate 24, and two sides of the top plate 22 horizontally slide along the tracks 21 through sliding blocks, so that vertical acting force can be effectively borne, and the movable table can be driven to perform horizontal movement.

In practical operation, the movable table comprises a top plate 22 connected with the translation assembly 27 and a bottom plate suspended below the top plate 22, the movable table 9 is fixedly connected below the movable mold plate of the injection molding machine, the bottom of the second lifting assembly 19 is arranged on the bottom plate, and the top of the second lifting assembly is fixedly connected with the top end of the core body through a driving plate 23, so that the core body 7 can be independently lifted when the movable table 9 is static. The top plate 22 and the bottom plate are fixedly connected, so that the top plate 22 and the bottom plate are matched and linked all the time. The top plate 22 can be synchronously lifted and relatively translated with the movable template 24 of the injection molding machine, and the bottom plate can provide a mounting platform for the fixed connection plate, the second lifting assembly and the core body.

In practical operation, the second lifting assembly 19 is disposed on the movable table 9, and the top end of the second lifting assembly is fixedly connected with the driving plate and the bottom end of the second lifting assembly is fixedly connected with the bottom plate, so that the core 7 can independently move vertically when the movable table 9 is stationary. The second lifting component 19 drives the core body 7 to independently lift on the basis of the movable table 9, and realizes the independent lifting of the core body 7 under the condition that the mouth of the bottle blowing cavity 4 is stably blocked by the half clamp 8.

Claims

1. An injection and blowing integrated machine comprises a machine frame (1), wherein an injection molding mechanism (3) with an injection molding cavity (2), a bottle blowing mechanism (5) with a bottle blowing cavity (4) and a conveying mechanism (6) are arranged on the machine frame (1), and the injection and blowing integrated machine is characterized in that the conveying mechanism (6) comprises a core body (7) which can axially stretch and be inserted into a bottle blank and a half clamp (8) which can be opened and closed and switched, the core body is inserted into the injection molding cavity and is subjected to injection molding to form the bottle blank, the half clamp (8) grabs the bottle blank (20) at the injection molding mechanism (3) and conveys the bottle blank to the bottle blowing mechanism (5), and the core body (7) inserted into the bottle blank synchronously moves into the bottle blowing cavity (4) along with the half clamp (8) and blows the bottle blank into a bottle body.

2. An injection and blowing integrated machine according to claim 1, wherein the conveying mechanism (6) comprises a movable table (9), and the core (7) is vertically installed on the movable table (9) in a lifting manner, so that the core (7) can move between the injection molding cavity (2) and the bottle blowing cavity (4) and can be switched in a plugging manner.

3. The injection and blow all-in-one machine of claim 2, characterized in that the injection mechanism (3) comprises an integrally formed injection mold, an injection molding cavity (2) with an axis vertical and an upward opening is formed in the injection mold, the conveying mechanism (6) comprises a limiting component, and the core (7) is vertically inserted into the injection molding cavity (2) and clamped and positioned by the limiting component, so that the injection molding cavity (2), the half clamp (8) and the core (7) are enclosed to form a closed cavity which is isolated from the external space and used for raw material filling.

4. The injection and blowing integrated machine according to claim 3, wherein the limiting assembly comprises a limiting ring (10) sleeved on the core (7), the limiting ring (10) is fixedly connected to the movable table (9), the inner edge of the bottom of the limiting ring (10) extends downwards to form a clamping ring (11), an upward bearing ring surface (12) is arranged on the outer side wall of the core (7), and after the core (7) is inserted into the injection molding cavity (2), the movable table (9) drives the limiting ring (10) to move from top to bottom and abut against the bearing ring surface (12) through the clamping ring (11) so as to limit the upward deviation of the core (7).

5. The injection-blowing integrated machine as claimed in claim 4, wherein the diameter of the outer side wall of the clamping ring (11) is matched with the diameter of the inner side wall of the blank opening of the bottle blank, and after the limiting ring (10) is clamped in place, the clamping ring (11) is suspended in the huff clamp (8) and is used for filling raw materials to form the blank opening; or the diameter of the outer edge of the bottom surface of the clamping ring (11) is matched with the diameter of the outer edge of the bearing ring surface (12) so as to enable the clamping ring and the bearing ring surface to be connected flatly; or the diameter of the inner edge of the bottom surface of the clamping ring (11) is matched with that of the inner edge of the bearing ring surface (12), so that the inner side wall of the clamping ring (11) is matched and attached with the outer side wall of the core body (7).

6. The injection and blowing integrated machine is characterized in that an upper convex rib (13) is arranged at the outer edge of the bottom surface of the limiting ring (10), a lower convex rib (14) is arranged at the periphery of the cavity opening of the injection molding cavity (2), an upper positioning groove (15) and a lower positioning groove (16) are respectively arranged on the top surface and the bottom surface of the half clamp (8), and when the limiting ring (10) moves downwards and vertically clamps the half clamp (8) with the cavity opening of the injection molding cavity (2), the upper convex rib (13) and the lower convex rib (14) are respectively vertically inserted into the upper positioning groove (15) and the lower positioning groove (16) so that the half clamp (8) is closed and locked; or the conveying mechanism (6) comprises a bottle blowing assembly, the bottle blowing assembly comprises a gas blowing hole (17) formed in the limiting ring (10) and a gas blowing groove (18) vertically formed in the outer side wall of the core body (7), the core body (7) moves downwards and guides high-pressure air in the gas blowing hole (17) into the bottle blank through the gas blowing groove (18), so that the bottle blank is blown into a bottle body; or the half clamp (8) is arranged on the bottom surface of the movable table (9) through a lifting fixing plate (25) so that the half clamp (8) can independently lift relative to the movable table (9).

7. The injection and blowing integrated machine as claimed in claim 3, wherein the two bottle blowing mechanisms (5) are respectively arranged at two sides of the injection molding mechanism (3), the conveying mechanism (6) comprises two groups of cores which correspond to the bottle blowing mechanisms (5) one by one, and the cores are arranged in the movable table in a lifting manner so as to be capable of synchronously and horizontally moving.

8. An injection and blowing integrated machine according to claim 3, characterized in that the number of the injection molding cavities (2) is matched with the number of the bottle blowing cavities (4) in a single bottle blowing mechanism (5), and the injection molding mechanism (3) continuously produces bottle blanks and alternately conveys the bottle blanks to the corresponding bottle blowing mechanism (5); or a plurality of rows of injection molding cavities (2) are arranged on the injection mold, and the relative positions of the injection molding cavities (2) are matched and correspond to the relative positions of the bottle blowing cavities (4) on each bottle blowing mechanism (5).

9. An injection and blowing integrated machine according to any one of claims 3 to 8, wherein the conveying mechanism (6) comprises a first lifting assembly (26) for driving the core and the movable table (9) to lift synchronously, a second lifting assembly (19) for driving the core (7) to stretch the bottle blank downwards in the bottle blowing cavity (4), and a translation assembly (27) for driving the core (7) positioned at the extraction station to reciprocate between the injection molding mechanism (3) and the bottle blowing mechanism (5), and the movable table suspends the bottom of the first lifting assembly (26) through the translation assembly (27), so that the translation assembly (27) and the movable table lift synchronously under the driving of the first lifting assembly (26).

10. The injection-blowing integrated machine according to claim 9, wherein the top of the first lifting assembly (26) is fixedly connected with the frame, and the bottom of the first lifting assembly (26) drives the translation assembly (27) to lift, so that the first lifting assembly (26) sequentially drives the core body (7) to lift and switch between an insertion station where the core body is inserted into the injection molding cavity (2) or the bottle blowing cavity (4) and a pulling-out station where the core body is separated from the injection molding cavity (2) or the bottle blowing cavity (4) through the translation assembly (27) and the movable table; or the translation assembly (27) comprises an injection molding machine movable template (24) fixedly connected with the first lifting assembly (26) and a driving part for driving the movable table to translate back and forth along the injection molding machine movable template (24), and a track (21) for the movable table to translate is arranged on the injection molding machine movable template (24); or the movable table comprises a top plate (22) connected with the translation assembly (27) and a bottom plate suspended below the top plate (22), the bottom of the second lifting assembly (19) is arranged on the bottom plate, and the top of the second lifting assembly is fixedly connected with the top end of the core body through a driving plate, so that the core body (7) can be lifted independently when the movable table (9) is static.