CN113858590B - Annotate and draw blowing bottle all-in-one - Google Patents

Abstract

The invention relates to an injection, drawing and bottle blowing integrated machine. The core body of the existing injection-blowing integrated machine needs to be separated from a bottle blank, and the processing efficiency is affected. The invention comprises a frame, an injection molding mechanism, a bottle blowing mechanism and a conveying mechanism, wherein the conveying mechanism comprises a core body, an injection molding half is arranged at the cavity opening of the injection molding cavity, the core body downwards passes through the injection molding half and is inserted into the injection molding cavity to form a bottle blank through injection molding, the injection molding half is opened after the bottle blank is driven to upwards separate from the wall surface of the injection molding cavity, and the core body carries the bottle blank to be moved into the bottle blowing cavity after separating from the injection molding cavity and the injection molding half, so that the bottle blank is downwards stretched by the core body and blown into a bottle body. The core need not to pull out when the bottle base is transported, both shortens the core and rises the distance, promotes machining efficiency through shortening the duration of single injection molding processing, still need not to reserve too much rise space for the core through reducing the core rise height, and then effectively reduces the height of blowing annotating all-in-one, prevents effectively that the bottle base from taking place deformation again, promotes and uses experience.

Description

Annotate and draw blowing bottle all-in-one

Technical Field

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

Background

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

When the bottle blank is used, the bottle blank formed by processing in the injection molding mechanism firstly rises to be separated from the cavity when the injection molding mechanism is opened, then rises to be separated from the height of the bottle blank, the bottle blank is clamped by the half clamp and horizontally transported to the bottle blowing mechanism and then falls into the bottle blowing cavity, the stretching mechanism drives the stretching rod to be inserted into the bottle blank for stretching and blowing, the injection molding cavity opening distance is 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 injection molding core displacement distance, the height of the integrated machine is increased due to the fact that the injection molding core needs a large rising space, the bottle blank and the half clamp are required to be moved to the bottle blowing cavity, the production efficiency is affected, the production cost is increased, in addition, the half clamp is used for transporting the bottle blank by wrapping the blank mouth of the clamping bottle blank, the blank body is easy to deform due to high-temperature softening, the processing deformation waste of the bottle blowing mechanism is caused, and the product quality is affected.

Disclosure of Invention

In order to solve the defects in the prior art, the invention provides the injection, pulling and bottle blowing integrated machine, wherein the core body capable of being linked with the bottle blank is arranged on the conveying mechanism, the core body is inserted into the bottle blank and is used for transferring the bottle blank, the length required by single injection molding is shortened by shortening the rising distance of the core body, the processing efficiency is improved, the height of the injection, pulling and bottle blowing integrated machine is effectively reduced, deformation of the bottle blank during transferring is avoided, the product quality is ensured, and the use experience is improved.

The invention is realized by the following modes: the utility model provides a annotate and draw bottle blowing all-in-one, includes the frame, be equipped with in the frame take injection molding mechanism in chamber, take bottle blowing mechanism in chamber and conveying mechanism of blowing, conveying mechanism includes the liftable core, the accent department in chamber of moulding plastics is equipped with liftable and moulds plastics half, and the core is downwards passed and moulds plastics half and insert and mould plastics after the chamber and form the bottle base through moulding plastics, and the half of moulding plastics opens after driving the bottle base upwards to break away from the cavity wall of moulding plastics, and the core carries the bottle base and breaks away from and mould plastics the chamber and remove to the bottle blowing intracavity after moulding plastics half to make the bottle base by the core downwardly extending and blowing into the bottle. The core sets up on conveying mechanism, half setting of moulding plastics is on injection molding mechanism, the core inserts in the bottle base of injection molding mechanism processing formation and synchronous movement, make the core need not to pull out when the bottle base is transported, and when stretching the bottle blowing, as stretching rod, save stretching rod and stretching mechanism, both shorten the rising distance of core through the action of omitting to pull out the bottle base, the rising distance of core reduces to original half, make the core save half empty pull stroke, promote machining efficiency through shortening the duration of single injection molding processing, still need not to reserve too much rise space and stretching rod reinsertion bottle base's distance through reducing the rising height of core and save time for the core, and then reduce the height of blowing and annotating all-in-one, utilize the core to implement the transportation to the bottle base again, the core is inserted in the bottle base, effectively prevent the bottle base from taking place the deformation's condition, maintain the bottle base form through increasing the area of contact between core and the bottle base, prevent the condition that the body of blank from taking place the deformation, promote and use experience. The core body has the functions of the injection core, the transfer tool and the stretching pipe in the use process, can be inserted into the injection cavity to realize the function of the injection core and complete injection operation, can transfer bottle blanks through inserting bottle blanks, can downwards stretch the bottle blanks in the bottle blowing cavity and perform bottle blowing operation through the core body, omits a stretching mechanism and a sealing mechanism, improves production efficiency, saves manufacturing cost, ensures that the bottle blanks are not eccentric, and ensures quality. The cold and hot temperature regulating assembly is arranged in the core body, so that the temperature of the bottle blank is always maintained within a temperature range required by processing, the bottle blank which is formed by blowing and is in a softened state can be transported into the bottle blowing cavity in a preset form, and the blowing quality of the bottle body is ensured.

Preferably, the core body is vertically arranged, the conveying mechanism comprises a movable table, a first lifting assembly for driving the movable table to vertically lift, a second lifting assembly for driving the core body to stretch bottle blanks, a limiting assembly for limiting lifting of the core body and a translation assembly for driving the movable table to reciprocate and translate between the injection molding mechanism and the bottle blowing mechanism, the core body is driven by the first lifting assembly to be respectively vertically inserted and pulled out of the injection molding cavity and the bottle blowing cavity to be matched with the injection molding cavity, and the core body penetrates through the injection molding half and is clamped and positioned by the limiting assembly after being inserted into the injection molding cavity, so that the core body, the injection molding half and the injection molding cavity are enclosed to form a closed cavity which is isolated from an external space and is filled with raw materials. The first lifting assembly drives the translation assembly to lift on the basis of the frame, and then the translation assembly drives the movable table, the second lifting assembly and the core body to lift synchronously, so that the plug switching between the core body and the injection molding cavity and between the core body and the bottle blowing cavity is realized, the core body is convenient to carry the bottle blank to be separated from the injection molding cavity and to be vertically inserted after being translated to the bottle blowing cavity, and the bottle blank transfer is completed; the translation assembly drives the movable table to horizontally move based on the movable template of the injection molding machine, and the movable table is used for driving the second lifting assembly and the core body to synchronously reciprocate between the injection molding mechanism and the bottle blowing mechanism, so that the translation is realized between the injection molding mechanism and the bottle blowing mechanism; the second lifting component drives the core body to lift on the basis of the movable table, so that the core body realizes the functions of the injection molding core, the transfer tool and the stretching rod in the original mechanism.

Preferably, the movable table comprises a frame, the second lifting assembly is fixedly connected to the frame and drives the core body to lift and switch between a stretching station for blowing the bottle body, an injection molding station for enclosing to form a closed cavity and a hiding station completely hidden in the movable table through the linkage plate, the limiting assembly comprises a limiting piece for clamping the linkage plate, and when the core body lifts and switches to the injection molding station, the limiting piece clamps the linkage plate and enables the core body to be vertically positioned. The second lifting component can drive the core body to lift and switch among the stretching station, the injection molding station and the hiding station, and the core body falls down from top to bottom and sequentially passes through the hiding station, the injection molding station and the stretching station. When the core body is in the hiding station, the bottom end of the core body is positioned in the movable table, so that the core body is completely separated from the blank opening; when the core body is in the injection station, the length of the core body exposed out of the bottom surface of the movable table is matched with the depth of the injection cavity, so that the core body, the injection cavity and the injection half can be enclosed to form a closed cavity, and the injection mechanism can conveniently form a bottle blank through injection molding of the closed cavity; when the core body is in the stretching station, the length of the bottom end of the core body exposed out of the bottom surface of the movable table is matched with the depth of the bottle blowing cavity, and stretching and blowing operations are carried out on the bottle blank, so that the bottle blank is blown into a bottle body. When the core moves to the injection molding station, the limiting piece is utilized to vertically position the core, so that the core is prevented from rising due to extrusion of raw materials in the sealing cavity, stable insertion of the core in the injection molding cavity is ensured, the sealing performance of the sealing cavity is maintained, the raw materials for injection molding are prevented from leaking, and the injection molding quality of bottle blanks is ensured.

Preferably, the frame comprises a top plate and a bottom plate which are parallel to each other and vertically separated, and the limiting piece is a vertically arranged baffle plate which can be horizontally inserted between the top plate and the linkage plate. The limiting component is a baffle plate capable of horizontally and reciprocally moving, when the core body moves to the injection molding station, the baffle plate is horizontally inserted between the top plate and the linkage plate in a vertical posture, and the vertical deformation resistance of the baffle plate is utilized to be lower than the lifting acting force received by the core body when the sealing cavity performs injection molding operation.

Preferably, the linkage plate is provided with a through hole with a waist drum-shaped section, the limiting piece is a limiting rod which is arranged in the through hole in a lifting manner, the middle part of the limiting rod is provided with a limiting surface which is arranged downwards, and the axial projection of the lower section of the limiting rod is matched and overlapped with the axial projection of the through hole and completely covers the axial projection of the lower section of the limiting rod, so that the limiting rod can be switched between a clamping station which is abutted against the periphery of the upper port of the through hole through the limiting surface and a lifting station which can completely penetrate through the through hole. The gag lever post is realized switching between lift station and card position station through rotating, when the gag lever post is in the card position station, the projection of gag lever post axis is dislocation set each other with the perforation along the gag lever post, and when the core rose to the station of moulding plastics, the gag lever post can be contradicted on fenestrate last port periphery through the gag lever post for the gag lever post is held between roof and linkage board, plays vertical spacing effect to the core, prevents that the core from taking place the condition of skew upwards when moulding plastics, when the gag lever post rotates to the lift station, the axial projection of gag lever post and gag lever post is complete falls into in the perforation for the gag lever post can pass through kidney-shaped hole both sides region and perforate, and then makes the gag lever post can be in hiding the station, the station of moulding plastics and stretch the station between lift switch.

Preferably, the translation assembly is a horizontally arranged translation oil cylinder, a cylinder body of the translation oil cylinder is fixedly connected with the movable template of the injection molding machine, the telescopic part is fixedly connected with the movable table, and the translation assembly drives the core body to horizontally move through the movable table. The translation cylinder drives the movable table to horizontally move based on the movable template of the injection molding machine, so that the movable table can drive the core body to be switched back and forth between the injection molding mechanism and the bottle blowing mechanism, and further the core body can be subjected to injection molding operation, transfer operation and blowing operation in a circulating mode.

Preferably, the first lifting assembly comprises a first oil cylinder which is vertically arranged, a cylinder body of the first oil cylinder is fixedly connected with the frame, the telescopic part is fixedly connected with the movable mould plate of the injection machine, and the first oil cylinder drives the movable mould plate of the injection machine to lift so as to enable the translation assembly, the movable table and the core body to synchronously lift. The first oil cylinder drives the movable template of the injection molding machine to lift on the basis of the frame, so that the core body can be driven to be respectively in plug fit with the injection molding cavity and the bottle blowing cavity.

Preferably, the translation assembly comprises a sliding rail arranged on the movable template of the injection molding machine and a sliding block arranged on the top plate of the movable table, wherein the sliding block horizontally slides along the sliding rail, so that the movable table drives the core body to reciprocate between the injection molding mechanism and the bottle blowing mechanism, the sliding block slides along the sliding rail, the sliding resistance is effectively reduced, the translation precision is also improved, and the core body can be ensured to translate from the upper area of the injection molding cavity to the upper area of the bottle blowing cavity.

Preferably, the second lifting assembly comprises a second oil cylinder which is vertically arranged, a cylinder body of the second oil cylinder is fixedly connected with a bottom plate of the movable table, and the telescopic part drives the core body to lift. The second oil cylinder independently lifts the core body by taking the movable table as a basis and is used for adjusting the distance between the bottom end of the core body and the bottom surface of the movable table, so that lifting switching among the hiding station, the injection molding station and the stretching station is realized.

Preferably, the axis of the injection cavity is vertically arranged and is provided with a cavity opening upwards, the bottom surface of the injection cavity and the cavity opening of the injection cavity are respectively provided with a lower positioning groove and a lower convex rib which can be vertically inserted and pulled out, the injection cavity is arranged at the cavity opening of the injection cavity through a liftable half fixing plate, and when the injection cavity clamp is in a clamping state from an opening state, the half fixing plate drives the injection cavity clamp to move downwards and is sleeved on the lower convex rib through the lower positioning groove, so that the injection cavity clamp is clamped and positioned in the clamping state. The half of moulding plastics is installed in the accent department of moulding plastics the chamber through the half fixed plate, adjusts the half of moulding plastics and the accent interval of chamber of moulding plastics through the lift of control half fixed plate, can realize that the lower protruding muscle breaks away from with the lower constant head tank is vertical through the lifting half of moulding plastics, and the convenience is moulded plastics the half and is switched to the open state, can also be in the holding state through the lower protruding muscle of realization insert the lower constant head tank of falling when moulding plastics the half for the half clamp of moulding plastics is locked in the holding state, effectively resists the extrusion effort that comes from the raw materials when moulding plastics, ensures the sealing performance of sealed cavity. After the lower convex rib is inserted into the lower positioning groove, the injection half and the injection cavity are arranged concentrically.

Preferably, the bottom of the movable table is fixedly connected with a limiting ring, the inner edge of the bottom surface of the limiting ring forms a sealing ring surface capable of blocking a gap between the core body and the injection molding half, an upper convex rib is arranged on the outer edge of the bottom surface of the limiting ring, an upper positioning groove is arranged on the top surface of the injection molding half, and when the movable table falls down and drives the core body to be inserted into the injection molding cavity, the upper convex rib is vertically inserted into the upper positioning groove, so that the injection molding half is clamped and positioned in a clamping state. The limiting ring is fixedly connected to the movable table, the core body is vertically inserted into the core body, the radial limiting effect is achieved on the core body, the core body can be guided to vertically lift, the core body and the limiting ring are ensured to be always arranged concentrically, and further the core body is ensured to be concentrically arranged with the injection cavity through injection molding half clamped with the limiting ring. The movable table drives the limiting ring to fall and is inserted into the upper positioning groove through the upper convex rib, so that the limiting clamping effect is achieved on the injection molding half in the clamping state.

Preferably, the diameter of the inner side wall of the limiting ring is matched with the diameter of the outer side wall of the core body, so that the limiting ring and the core body are in sealing sleeve joint, concentricity of the limiting ring and the core body is improved by reducing a gap between the inner side wall of the limiting ring and the outer side wall of the core body, and guiding precision is improved.

Preferably, the outer side wall of the core body is recessed to form an annular blowing groove, the limiting ring is provided with a blowing hole, when the core body is positioned at an injection molding station or a hiding station, the blowing grooves are positioned above the blowing hole and are isolated from each other, and when the core body is positioned at a stretching station, the blowing hole is communicated with the closed cavity through the blowing groove, so that a bottle blank is blown into a bottle body. The blowing groove is arranged on a partial section of the core body, so that the core body can be communicated with the inner cavity of the bottle blank only when the core body is in a stretching station through the blowing groove, and the operation of conveying high-pressure air is completed, so that the bottle blank is ensured to be blown into the bottle body. When the core body is in the injection molding station, the air blowing groove is hidden in the limiting ring, so that the raw material for injection molding can not leak out through the air blowing groove, and the bottle blank quality is ensured.

Preferably, the two bottle blowing mechanisms are separately arranged at two sides of the injection molding mechanism, the conveying mechanism comprises two groups of cores corresponding to the bottle blowing mechanisms one by one, and the cores are arranged in the movable table in a lifting manner so that the cores can synchronously and horizontally move. The single processing time length of the injection molding mechanism is shorter than that of the bottle blowing mechanism, bottle blanks from the injection molding mechanism are alternately received and blown by arranging two groups of bottle blowing mechanisms, and the conveying mechanism is provided with a movable table for driving the core body to synchronously lift and translate, so that the bottle blanks produced by the injection molding mechanism are ensured to be accurately and alternately conveyed to the bottle blowing mechanisms on the two sides, and the production efficiency is effectively improved. In the production process, the conveying mechanism can participate in injection molding operation and bottle blowing operation through different cores simultaneously, so that mutual interference among the cores is effectively prevented, and production efficiency is ensured. The core bodies are all installed on the same movable table, so that the core bodies can be ensured to reciprocate and translate between the injection molding mechanism and the corresponding bottle blowing mechanism.

Preferably, the number of the injection molding cavities is matched with that of 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 once can be alternately received and blown into bottle bodies by the two bottle blowing mechanisms, the processing efficiency is effectively improved, and the condition that the bottle blanks are extruded is prevented.

Preferably, the injection molding mechanism 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 injection molding mechanism can realize simultaneous processing of multiple bottle blanks by arranging a plurality of injection molding cavities, and bottle blanks formed by single processing of the injection molding mechanism can be effectively received and processed in each bottle blowing mechanism, so that the processing efficiency is improved, and the energy is saved.

The invention has the outstanding beneficial effects that: the core sets up on conveying mechanism, half setting of moulding plastics is on injection molding mechanism, the core inserts in the bottle base of injection molding mechanism processing formation and synchronous movement, make the core need not to pull out when the bottle base is transported, and when stretching the bottle blowing, as stretching rod, save stretching rod and stretching mechanism, both shorten the rising distance of core through the action of omitting the bottle base of pulling out, the rising distance of core reduces to original half, make the core save half empty pull stroke, promote machining efficiency through shortening the duration of single injection molding processing, still need not to reserve too much rise space and stretching rod reinsertion bottle base's distance through reducing the rising height of core and save time, and then reduce the height of blowing and annotating all-in-one, utilize the core to implement the transportation to bottle base again, the core is inserted in the bottle base, effectively prevent the bottle base from taking place the deformation's condition, can be again through increasing the contact between core and the bottle base and maintain the bottle form when utilizing the core to transport the bottle base, prevent the condition that the body from taking place to warp, use.

Drawings

FIG. 1 is a schematic diagram of a partial structure of the injection, drawing and bottle blowing integrated machine;

FIG. 2 is a schematic view of a partial cross-sectional structure of the movable table when the movable table is lifted and the core is respectively positioned at an injection molding station and a hiding station;

FIG. 3 is a schematic view of a partial cross-sectional structure of the movable stage lowered and the core in the injection molding station and the stretching station, respectively;

FIG. 4 is a schematic cross-sectional view of the injection half clamp in a clamped state;

FIG. 5 is a schematic cross-sectional view of the assembly structure between the core and the stop collar when the core is in the injection molding station;

FIG. 6 is a schematic cross-sectional view of the assembly structure between the core and the stop collar when the core is in the stretch station;

FIG. 7 is a schematic view of a partial cross-sectional structure of the stop member as a baffle;

In the figure: 1. the device comprises a frame, 2, an injection molding cavity, 3, a bottle blowing cavity, 4, a core body, 5, an injection molding half, 6, a movable table, 7, a first lifting assembly, 8, a second lifting assembly, 9, a translation assembly, 10, a limiting piece, 11, a perforation, 12, a limiting surface, 13, an injection molding movable template, 14, an upper convex rib, 15, an upper positioning groove, 16, a lower convex rib, 17, a lower positioning groove, 18, a half fixing plate, 19, a limiting ring, 20, a sealing ring surface, 21, a blowing groove, 22, a blowing hole, 23 and a linkage plate.

Detailed Description

The essential features of the invention are further described in connection with the accompanying drawings and the detailed description.

The injection-stretch bottle blowing integrated machine shown in fig. 1 and 2 is composed of a machine frame, wherein an injection molding mechanism with an injection molding cavity 2, a bottle blowing mechanism with a bottle blowing cavity 3 and a conveying mechanism are arranged on the machine frame 1, the conveying mechanism comprises a liftable core body 4, an injection molding half 5 is arranged at the cavity opening of the injection molding cavity 2, the core body 4 downwards penetrates through the injection molding half 5 and is inserted into the injection molding cavity 2 to form a bottle blank through injection molding, the injection molding half 5 is opened after being driven to upwards separate from the wall surface of the injection molding cavity 2, and the core body 4 carries the bottle blank to be moved into the bottle blowing cavity 3 after being separated from the injection molding cavity 2 and the injection molding half 5, so that the bottle blank is downwards stretched by the core body 4 and blown into a bottle body. The core 4 sets up on conveying mechanism, half 5 sets up on injection molding mechanism, the core 4 is inserted in the bottle base that injection molding mechanism processing formed and synchronous motion, need not to pull out when the bottle base is transported for core 4, and as stretching rod when stretching the bottle blowing, save stretching rod and stretching mechanism, both shorten core 4 rising distance through the action that omits to pull out the bottle base, the rising distance of core 4 reduces to original half, make core 4 save half empty pull stroke, promote machining efficiency through shortening the duration of single injection molding processing, still through reducing core 4 rising height and need not to reserve too much rising space and stretching rod to insert the distance save time of bottle base again for core 4, and then reduce the height of blowing and annotating all-in-one, utilize core 4 to implement the transportation again to the bottle base, and core 4 is inserted in the bottle base, and core 4 lateral wall matches with the bottle base inside wall, utilize core 4 to play the effect of supporting the design to the bottle base, effectively prevent that the condition that takes place the core from taking place, can increase the body and the deformation of bottle base takes place at the time of the core 4 through the time of increasing the body and the deformation of the bottle base, the appearance of the bottle base is used to be prevented.

In actual operation, the conveying mechanism comprises a movable table 6, a first lifting assembly 7 for driving the movable table 6 to vertically lift, a second lifting assembly 8 for driving the core 4 to stretch bottle blanks, a limiting assembly for limiting lifting of the core 4, and a translation assembly 9 for driving the movable table 6 to reciprocate and translate between the injection molding mechanism and the bottle blowing mechanism, wherein the core 4 is vertically arranged, and the injection molding cavity 2 and the bottle blowing cavity 3 are respectively provided with an upward cavity opening, so that the core 4 can realize the action of inserting and pulling the injection molding cavity 2 and the bottle blowing cavity 3 and the action of reciprocating movement between the injection molding mechanism and the bottle blowing mechanism under the driving of the first lifting assembly 7, the second lifting assembly 8 and the translation assembly 9 in a vertical posture. Specifically, the injection molding mechanism, the bottle blowing mechanism and the conveying mechanism realize cyclic processing through the following steps:

Firstly, heating liquefied raw materials through a charging barrel screw rod, enabling an injection half 5 clamp to be in a clamping state, driving the injection half 5 to descend through a half fixing plate 18 and abutting against the periphery of an cavity opening of an injection cavity 2, enabling a lower convex rib 16 to be vertically inserted into a lower positioning groove 17, and enabling a core 4 to be positioned at an injection station under the driving of a second lifting assembly 8;

Secondly, the movable table 6 is driven by the translation assembly 9 to move to the upper part of the injection molding mechanism, then driven by the first lifting assembly 7 to move downwards, the core 4 at the injection molding station penetrates through the injection molding half 5 from top to bottom and is inserted into the injection molding cavity 2, at the moment, the limiting ring 19 and the movable table 6 synchronously descend, the limiting ring 19 both seals a gap between the injection molding half 5 and the core 4 through the sealing ring surface 20, so that the core 4, the injection molding cavity 2, the injection molding half 5 and the sealing ring surface 20 are enclosed to form a closed cavity (shown in fig. 3), and the upper protruding ribs 14 are vertically inserted into the upper positioning grooves 15 to limit the opening of the injection molding half 5;

Thirdly, the injection molding mechanism comprises a hot runner, liquefied raw materials are injected into a closed cavity under the pushing action of an injection molding oil cylinder, cooling channels through which cooling water flows are arranged in an injection mold outside the closed cavity and in the core 4, and the raw materials in the closed cavity are cooled and shaped by conveying cooling media to the cooling channels, so that bottle blanks are obtained, at the moment, the outlines of the bottle blanks are fixed and are in a softened state, the core 4 is inserted into the bottle blanks, and the blank mouths of the bottle blanks are clamped by injection molding half 5;

Fourthly, the first lifting assembly 7 and the third lifting assembly synchronously operate, so that the injection molding half 5 and the core 4 synchronously ascend until the lower protruding ribs 16 vertically separate from the lower locating grooves 17, in the process, the injection molding half 5 is driven by the half fixing plate 18 to move upwards and separate from the cavity opening of the injection molding cavity 2, the injection molding half 5 clamps the bottle blank to ascend, and the bottle blank adhered to the inner side wall of the injection molding cavity 2 moves upwards under the pulling action of the injection molding half 5, so that vertical relative sliding is generated between the inner side wall of the injection molding cavity 2 and the outer side wall of the bottle blank, and the core 4 synchronously ascends along with the injection molding half 5, thereby ensuring that the outer side wall of the core 4 is tightly adhered to the inner side wall of the bottle blank, and providing space for the rising of the bottle blank;

Fifthly, stopping the movement of the third lifting assembly, wherein the first lifting assembly 7 drives the core body 4 to continuously move upwards, so that the core body 4 continuously rises until the upper convex rib 14 vertically breaks away from the upper positioning groove 15, in the process, the injection half 5 clamps the bottle blank, so that the bottle blank is vertically limited, the core body 4 rises and vertically deviates from the bottle blank, at the moment, the core body 4 is not adhered to the outer side wall of the bottle blank, the bottle blank vertically breaks away from the sealing ring surface 20, and the core body 4 is still inserted into the bottle blank in a tight fit mode;

Sixthly, the injection molding half 5 is switched from a clamping state to an opening state, so that the injection molding half 5 is separated from a blank mouth of a bottle blank, and the bottle blank is suspended on the bottom of the core body 4 by using friction force between the bottle blank and the outer side wall of the core body 4;

Seventh, the first lifting assembly 7 drives the core body 4 to move upwards until the core body 4 drives the bottle blank to be completely separated from the injection molding cavity 2, and then the translation assembly 9 is started to drive the movable table 6 to drive the core body 4 to translate from the injection molding mechanism to the bottle blowing mechanism, so that the bottle blank is transported to the position above the bottle blowing cavity 3;

eighth step, the bottle blowing mould is closed to form a bottle blowing cavity 3, the first lifting component 7 drives the core body 4 to move downwards, so that bottle blanks are synchronously inserted into the bottle blowing cavity 3 along with the core body 4, the blank mouth of the bottle blanks is fixed at the cavity mouth of the bottle blowing cavity 3, and the bottle blanks are still in a high-temperature softening state;

ninth, the second lifting assembly 8 drives the core body 4 to move downwards, the core body 4 independently descends relative to the movable table 6, and the injection molding station descends to the stretching station, and in the descending process of the core body 4, the air blowing holes 22 are communicated with the inner cavity of the bottle blank through the air blowing grooves 21, so that external high-pressure air can be smoothly filled into the inner cavity of the bottle blank, and the bottle blank is blown into a bottle body;

tenth, the second lifting assembly 8 drives the core body 4 to move upwards to a hiding station, so that the core body rises and is completely separated from the bottle body, and the bottle body is conveniently separated from the bottle blowing mechanism;

Eleventh step, the bottle blowing mould is opened and separated from the bottle body, the core body 4 is reset to the injection molding station under the driving of the second lifting component 8, the movable table 6 firstly ascends under the driving of the first lifting component 7 and enables the core body 4 to be separated from the bottle blowing cavity 3, and then the core body 4 is translated to the injection molding mechanism by the bottle blowing mechanism under the driving of the translation component 9.

The continuous processing of the injection, drawing and bottle blowing integrated machine is realized by circularly carrying out the operations. In the course of working, core 4 carries the bottle base lifting and just can carry out horizontal migration after the bottle base breaks away from injection molding chamber 2, shortens the preparation time that injection molding chamber 2 carries out the operation of moulding plastics once more through shortening the duration that the bottle base breaks away from injection molding chamber 2, effectively promotes machining efficiency. The core 4 need not to extract the bottle base, need not to provide the required space of extracting the bottle base for the core 4, can effectively save the required time of core 4 extracting the bottle base, promotes machining efficiency through shortening single processing duration, can also effectively reduce the whole height of equipment and the required space height of operation, convenient assembly and use.

In actual operation, the bottle blowing mechanisms are two and are separately arranged at two sides of the injection molding mechanism, the conveying mechanism comprises two groups of cores 4 corresponding to the bottle blowing mechanisms one by one, and the cores 4 are installed in the movable table 6 in a lifting manner so that the cores 4 can synchronously and horizontally move. Specifically, two groups of cores 4 are arranged on the movable table 6, and the cores 4 can realize synchronous translation and lifting under the driving of the same movable table 6, so that two groups of cores 4 can alternately obtain bottle blanks formed by injection molding at the injection molding mechanism and convey the bottle blanks to the corresponding bottle blowing mechanism. Specifically, the conveying mechanism comprises a first core group and a second core group which are formed by arranging bodies and are respectively arranged at two sides of the movable table 6, and two sides of the injection molding mechanism are respectively provided with a first bottle blowing mechanism corresponding to the first core group and a second bottle blowing mechanism corresponding to the second core group. When the bottle blowing machine is operated, firstly, the first core group is inserted into the injection molding cavity 2 and is processed to obtain bottle blanks, the second core group is positioned in the bottle blowing cavity 3 of the second bottle blowing mechanism to perform bottle blowing operation, then the movable table 6 is lifted, so that the first core group and the second core group are lifted and separated from the corresponding injection molding cavity 2 or the bottle blowing cavity 3, then the second core group is driven by the movable table 6 to move to the injection molding mechanism to process to obtain bottle blanks, the first core group carries the bottle blanks which are processed to the first bottle blowing mechanism to perform bottle blowing operation, and the two groups of cores 4 alternately acquire the bottle blanks formed by injection molding at the injection molding cavity 2 and perform bottle blowing operation at the position which is conveyed to the corresponding bottle blowing mechanism by repeating the operation.

In actual operation, the injection molding half 5 comprises two clamping plates which are symmetrically arranged and provided with clamping openings, the injection molding half 5 can be switched between a clamping state in which the clamping plates are tightly abutted and an opening state in which the clamping plates are separated from each other, and when the injection molding half 5 is switched from the opening state to the clamping state, the clamping openings on the two clamping plates are in opposite butt joint and form a closed cavity together with the core body 4 and the injection molding cavity 2. When the injection half 5 is switched to an open state, the clamping plates are separated back to ensure that the injection half 5 is separated from the blank mouth of the bottle blank, and the core 4 can be ensured to carry the bottle blank to be separated from the injection cavity 2 upwards. When the injection molding of the bottle blank is completed, the injection molding half 5 can be clamped on a blank opening formed by injection molding, so that the bottle blank can be clamped and lifted and is separated from the injection molding cavity 2, and the bottle blank can be ensured to rise along with the core body 4. The half fixing plate 18 is installed at the cavity opening of the injection molding cavity 2 in a lifting manner through the third lifting assembly, so that the injection molding half 5 can be lifted under the driving of the half fixing plate 18, the lifting distance of the injection molding half 5 is in deep directional association with the insertion of the lower protruding ribs 16 into the lower positioning grooves 17, the lower protruding ribs 16 can be completely separated from the lower positioning grooves 17, and the injection molding half 5 is prevented from being blocked when being opened.

In actual operation, the injection molding cavities 2 are multiple and arranged in rows, and a plurality of clamping openings corresponding to the injection molding cavities 2 one by one are formed in opposite side edges of the clamping plates. In order to promote machining efficiency, injection molding mechanism promotes machining efficiency through setting up a plurality of injection molding chamber 2 that can mould plastics simultaneously and form the bottle base, specifically, injection molding chamber 2 is the row setting for injection molding chamber 2 all is located on the same straight line, is located the same row injection molding chamber 2 all with the same half 5 cooperation of moulding plastics, half 5 utilizes rectangular splint to come with each cavity 2 unified cooperation of moulding plastics, can effectively simplify the structure of half 5 of moulding plastics, still ensures that half 5 of moulding plastics can with each cavity 2 unified cooperation of moulding plastics, ensures that the bottle base profile is unified. The bottle blowing mechanism is provided with the bottle blowing cavities 3 with the same quantity as the injection molding cavities 2, so that the bottle blowing mechanism can treat bottle blanks formed by single processing of the injection molding mechanism for a single time, and the condition that the bottle blanks are cooled and hardened due to overlong waiting time is prevented. In addition, the number of the injection molding cavities 2 is matched with the number of the bottle blowing cavities 3 in a single bottle blowing mechanism, the injection molding mechanism continuously produces bottle blanks and is alternately conveyed to the corresponding bottle blowing mechanisms, a plurality of rows of injection molding cavities 2 are arranged on the injection molding mechanism, the relative positions of the injection molding cavities 2 are matched with the relative positions of the bottle blowing cavities 3 on each bottle blowing mechanism, and the processing efficiency is improved by increasing the yield of the bottles processed once.

In actual operation, the core body 4 is driven by the first lifting component 7 to be respectively vertically inserted and pulled out of the injection cavity 2 and the bottle blowing cavity 3, and the core body 4 penetrates through the injection cavity half 5 and is clamped and positioned by the limiting component after being inserted into the injection cavity 2, so that the core body 4, the injection cavity half 5 and the injection cavity 2 are enclosed to form a closed cavity which is isolated from the external space and is filled with raw materials. Because the airtight cavity can bear great extrusion effort from the raw materials in the process of moulding plastics, in order to ensure that bottle base wall thickness remains stable, need carry out vertical location to the core 4 that is in the station of moulding plastics, prevent that core 4 from taking place the condition of skew because of extrusion effort is too big, and then prevent that bottle base wall thickness from increasing because of core 4 skew upwards, both ensure the product quality, can also effectively save the raw materials quantity. Specifically, the movable table 6 includes the frame, the frame includes roof and the bottom plate that are parallel and vertical division each other, second elevating assembly 8 rigid coupling is on the frame and drive core 4 through linkage board 23 at the tensile station of blowing bottle, enclose the injection molding station that closes the formation airtight cavity and the complete hidden station of hiding in the movable table 6 and go up and down to switch over, spacing subassembly includes the locating part 10 of clamping linkage board 23, and when the lifting of core 4 was switched to the injection molding station, the locating part 10 card was put linkage board 23 and is made core 4 by vertical location, effectively prevented that core 4 from taking place the condition of upwards skew. The spacing assembly may take a variety of configurations including, but not limited to, the following:

The first structure is that the linkage plate 23 is provided with a through hole 11 with a drum-shaped section, the limiting piece 10 is a limiting rod which is arranged in the through hole 11 in a lifting manner, the middle part of the limiting rod is provided with a limiting surface 12 which is arranged downwards, and the axial projection of the lower section of the limiting rod is matched and overlapped with the axial projection of the through hole 11 and completely covers the axial projection of the lower section of the limiting rod, so that the limiting rod can be switched between a clamping station which is abutted against the periphery of the upper port of the through hole 11 through the limiting surface 12 and a lifting station which can completely pass through the through hole 11. The top end of the limiting rod is rotatably connected to the bottom surface of the top plate, the bottom end of the limiting rod downwards penetrates through the through hole 11 and is rotatably connected to the top surface of the bottom plate, and therefore the limiting rod can be switched between the clamping station and the lifting station in the through hole 11 in a rotating mode. When the utility model is used, when core 4 rises to the station of moulding plastics, the gag lever post can be contradicted on the last port periphery of perforation 11 through spacing face 12 for the gag lever post is held between roof and linkage board 23, plays vertical spacing effect to core 4, prevents that core 4 from taking place the condition of skew upwards when moulding plastics, and when the gag lever post rotated to the lift station, the axial projection of spacing face 12 and gag lever post falls into perforation 11 completely, makes spacing face 12 can pass through perforation 11 through waist shape hole both sides region, and then makes the gag lever post can be in hiding the station, the station of moulding plastics and stretch the interstation lift switch.

In the second structure, the limiting member 10 is a vertical baffle plate (as shown in fig. 7) which can be horizontally inserted between the top plate and the linkage plate 23, and when in use, the baffle plate moves horizontally and is vertically clamped by the linkage plate 23 and the top plate, so as to limit the upward deflection of the core 4. When the movable mold plate is used, the baffle plate can be switched between a clamping station where the vertical projection and the top plate are vertically overlapped with the linkage plate 23 and a lifting station where the vertical projection and the top plate or the linkage plate 23 are not overlapped with each other, when the baffle plate is positioned at the clamping station, extrusion acting force received by the core body 4 can be sequentially transmitted to the movable mold plate 13 of the injection molding machine through the linkage plate 23, the baffle plate and the top plate, and then the movable mold plate is received and borne by the first lifting assembly 7, so that the core body 4 is ensured to be stably inserted in the injection molding cavity 2, after injection molding is completed, the baffle plate returns to the lifting station, the lifting of the linkage plate 23 is not idle any more, and the core body 4 can be driven to freely lift under the driving of the second lifting assembly 8.

The limiting assembly includes, but is not limited to, the two structures described above, and other limiting structures that prevent the core 4 from being upwardly deflected during injection molding are also contemplated as embodiments of the present invention.

In actual operation, translation subassembly 9 is the translation hydro-cylinder that the level set up, and translation hydro-cylinder's cylinder body and injection molding movable mould board 13 rigid coupling, telescopic part and movable table 6 rigid coupling, translation subassembly 9 is through movable table 6 order about core 4 horizontal migration, translation subassembly 9 is including setting up slide rail and the setting on movable table 6 roof on injection molding movable mould board 13, the slider slides along slide rail level to make movable table 6 order about core 4 reciprocal translation between injection molding mechanism and bottle blowing mechanism, the slide rail is two, and the branch is put at injection molding movable mould board 13, be equipped with four at least sliders on movable table 6, and with the slide rail corresponds respectively, so that movable table 6 can realize horizontal migration with the horizontal gesture, ensures that core 4 remains the vertical gesture all the time.

In actual operation, the first lifting assembly 7 comprises a first oil cylinder which is vertically arranged, a cylinder body of the first oil cylinder is fixedly connected with the frame 1, the telescopic part is fixedly connected with the injection molding movable template 13, and the first oil cylinder drives the injection molding movable template 13 to lift so as to enable the translation assembly 9, the movable table 6 and the core 4 to synchronously lift. The second lifting assembly 8 comprises a second oil cylinder which is vertically arranged, a cylinder body of the second oil cylinder is fixedly connected with a bottom plate of the movable table 6, and the telescopic part drives the core body 4 to lift. The first lifting assembly 7, the second lifting assembly 8, the third lifting assembly and the translation assembly 9 may use driving structures such as cylinders, screw rods and the like in addition to oil cylinders, and are considered as specific embodiments of the present invention.

In actual operation, in order to raise the injection half 5 and resist extrusion force during injection, the top surface and the top surface of the injection half 5 are respectively provided with an upper positioning groove 15 and a lower positioning groove 17 (as shown in fig. 4), and an upper convex rib 14 and a lower convex rib 16 are respectively provided at the outer edge of the bottom surface of the limiting ring 19 and the periphery of the cavity opening of the injection cavity 2, and the injection half 5 clamp is stably clamped in a clamping state by vertical insertion between the upper positioning groove 15 and the upper convex rib 14 and between the lower positioning groove 17 and the lower convex rib 16, so that extrusion force from raw materials is effectively resisted. Specifically, the bottom surface of the injection molding half 5 and the cavity mouth of the injection molding cavity 2 are respectively provided with a lower positioning groove 17 and a lower convex rib 16 which can be vertically inserted and pulled out, the injection molding half 5 is arranged at the cavity mouth of the injection molding cavity 2 through a liftable half fixing plate 18, and when the injection molding half 5 clamp is in a clamping state from an opening state, the half fixing plate 18 drives the injection molding half 5 clamp to move downwards and is sleeved on the lower convex rib 16 through the lower positioning groove 17, so that the injection molding half 5 clamp is clamped and positioned in the clamping state. The bottom rigid coupling of movable table 6 has spacing ring 19, spacing ring 19 bottom surface inner edge forms can shutoff core 4 and the sealed anchor ring 20 of the gap of half 5 of moulding plastics, the bottom surface outer fringe of spacing ring 19 is equipped with overhead protruding muscle 14, the top surface of half 5 of moulding plastics is equipped with overhead constant head tank 15, and when movable table 6 whereabouts and order about core 4 to insert injection molding cavity 2, overhead protruding muscle 14 vertically inserts overhead constant head tank 15 to make half 5 of moulding plastics be put by the card and fix a position in the clamping state.

In actual operation, the limiting ring 19 is fixedly connected to the movable table 6, the core 4 is inserted into the limiting ring 19 in a sealing manner, so that the core 4, the limiting ring 19, the injection half 5 and the injection cavity 2 are arranged concentrically, and the outline of the closed cavity is effectively limited to ensure that a bottle blank formed by injection molding has a uniform outline. Specifically, when the core body 4, the injection cavity 2 and the injection half 5 are enclosed to form a closed cavity, the outer side wall of the core body 4 is tightly attached to the inner side wall of the limiting ring 19, so that the limiting ring 19 and the core body 4 are ensured to be arranged concentrically; the bottom surface of the limiting ring 19 is abutted against the top surface of the injection molding half 5 and vertically inserted into the upper positioning groove 15 through the upper convex rib 14, so that the limiting ring 19 and the injection molding half 5 are concentrically arranged; the bottom surface of the injection molding half 5 is tightly abutted against the periphery of the cavity opening of the injection molding cavity 2 and vertically sleeved on the lower convex rib 16 through the lower positioning groove 17, so that the injection molding half 5 and the injection molding cavity 2 are concentrically arranged. Because the core body 4 and the limiting ring 19 are arranged concentrically, the limiting ring 19 and the injection half 5 are arranged concentrically, and the injection half 5 and the injection cavity 2 are arranged concentrically, the core body 4, the injection half 5 and the injection cavity 2 are arranged concentrically and enclose to form a closed cavity under the driving of the movable table 6, the bottle blank formed by injection molding is ensured to have uniform outline size and wall thickness, and the bottle blank quality is effectively ensured.

In actual operation, the diameter of the inner side wall of the limiting ring 19 is matched with the diameter of the outer side wall of the core 4, so that the limiting ring 19 and the core 4 are in sealing sleeve joint, the connection tightness between the limiting ring 19 and the core 4 is ensured, the limiting ring 19 can be utilized to guide the lifting of the core 4, and the core 4 can be ensured to freely lift along the axis of the limiting ring 19.

In actual operation, the outer side wall of the core 4 is recessed to form an annular blowing groove 21 (as shown in fig. 5), the limiting ring 19 is provided with a blowing hole, the blowing groove 21 is located above the blowing hole and isolated from each other when the core 4 is in an injection molding station or a hiding station, and the blowing hole 22 is communicated with the closed cavity through the blowing groove 21 when the core 4 is in a stretching station, so that a bottle blank is blown into a bottle body. The air blowing groove 21 is arranged on a partial section of the outer side wall of the core body 4, so that the function of blowing air into the inner cavity of the bottle blank is realized when the core body 4 is at a specific station. During injection molding, the inner wall of the limiting ring is in sealing fit with the outer wall of the core body, so that radial deviation of the core body is prevented, the core body descends to a stretching station when a bottle is blown, the diameter of the core body is reduced, and high-pressure air in the air blowing hole can be blown to the inner cavity of a bottle blank through the air blowing groove, so that stretching and blowing are realized. Specifically, when the core 4 is in the hiding station, the injection station and lifted between the hiding station and the injection station, the air blowing groove 21 is hidden in the limiting ring 19, so that the air blowing groove 21 is not communicated with the inner cavity of the bottle blank; when the core body 4 is in the stretching station and is lifted between the injection molding station and the stretching station (as shown in fig. 6), the blowing holes 22 are communicated with the inner cavity of the bottle blank through the blowing grooves 21, so that the bottle blank is blown into a bottle body after receiving high-pressure air from the blowing holes 22.

In actual operation, the air blowing groove 21 is annular, and is formed along the circumferential direction of the outer side wall of the core body 4, high-pressure air in the air blowing hole 22 can be diffused circumferentially through the air blowing groove 21, uniform high-pressure air can be obtained in all circumferential areas of the inner cavity of the bottle blank, vertical diffusion can be realized through the air blowing groove 21, uniform high-pressure air can be obtained in all height sections of the inner cavity of the bottle blank, and bottle blowing quality is ensured. Specifically, the notch of the air blowing groove is radially and outwards arranged on the outer side wall of the core body, the top edge part and the bottom edge part of the air blowing groove are even the corresponding sections of the outer side wall of the core body are smoothly connected, the core body is effectively prevented from being worn by parts sleeved on the core body when the core body is lifted, and further maintenance cost is reduced. The depth of the blowing groove is 0.5mm-1mm, so that high-pressure air flow is ensured to meet the requirement of blowing the bottle body, radial deflection of the core body can be limited through the limiting ring, and the quality of the bottle body is ensured.

In actual operation, the cavity opening of the bottle blowing cavity 3 is provided with a bottle blowing half, and when a bottle blank is inserted into the bottle blowing cavity, the bottle blowing half is switched to a clamping state and clamps the blank opening of the bottle blank, so that the bottle blowing cavity 3 is blocked by the core body and the bottle blowing half.

Claims (9)

1. The injection, drawing and bottle blowing integrated machine comprises a frame (1), wherein an injection molding mechanism with an injection molding cavity (2), a bottle blowing mechanism with a bottle blowing cavity (3) and a conveying mechanism are arranged on the frame (1), the injection molding and bottle blowing integrated machine is characterized in that the conveying mechanism comprises a liftable core body (4), a cavity opening of the injection molding cavity (2) is provided with a liftable injection molding half (5), the core body (4) downwards passes through the injection molding half (5) and is inserted into the injection molding cavity (2) to form a bottle blank through injection molding, the injection molding half (5) is opened after the bottle blank is driven to be separated from the wall surface of the injection molding cavity (2), the core body (4) carries the bottle blank to be separated from the injection molding cavity (2) and the injection molding half (5) and then moves into the bottle blowing cavity (3), so that the bottle blank is stretched downwards by the core body (4) and blown into the bottle body, the conveying mechanism comprises a movable table (6), a first lifting component (7) which drives the movable table (6) to vertically lift, a second lifting component (8) which drives the core body (4) to vertically lift, a second lifting component (8) which drives the movable table (6) to move up and a limit the bottle blank to be translated between the movable table (6) and the movable table (6) through the injection molding limiting mechanism (9), the second lifting assembly (8) is fixedly connected to the frame and drives the core body (4) to lift and switch between a stretching station of the blown bottle body, an injection molding station of a closed cavity formed by enclosing and a hiding station completely hidden in the movable table (6) through the linkage plate (23), the limiting assembly comprises a limiting piece (10) for clamping the linkage plate (23), and when the core body (4) lifts and switches to the injection molding station, the limiting piece (10) clamps the linkage plate (23) and enables the core body (4) to be vertically positioned.

2. The injection, pulling and bottle blowing integrated machine according to claim 1, wherein the core body (4) is vertically inserted and pulled to be matched with the injection cavity (2) and the bottle blowing cavity (3) respectively under the driving of the first lifting component (7), and the core body (4) penetrates through the injection cavity (2) and is clamped and positioned by the limiting component after being inserted into the injection cavity (2), so that the core body (4), the injection cavity (5) and the injection cavity (2) are enclosed to form a closed cavity which is isolated from the external space and is filled with raw materials.

3. The injection, pulling and bottle blowing integrated machine according to claim 2, wherein the frame comprises a top plate and a bottom plate which are parallel to each other and vertically separated, the limiting piece (10) is a vertically arranged baffle plate which can be horizontally inserted between the top plate and the linkage plate (23), and in use, the baffle plate horizontally moves and is vertically clamped by the linkage plate (23) and the top plate so as to limit the upward deflection of the core body (4).

4. The injection, pulling and bottle blowing integrated machine according to claim 2, wherein the linkage plate (23) is provided with a through hole (11) with a waist drum-shaped section, the limiting piece (10) is a limiting rod which is arranged in the through hole (11) in a lifting manner, the middle part of the limiting rod is provided with a limiting surface (12) which is arranged downwards, the axial projection of the lower section of the limiting rod is matched and overlapped with the axial projection of the through hole (11) and completely covers the axial projection of the lower section of the limiting rod, so that the limiting rod can be switched between a clamping station which is in contact with the periphery of the upper port of the through hole (11) through the limiting surface (12) and a lifting station which can completely pass through the through hole (11).

5. The injection, pulling and bottle blowing integrated machine according to claim 1, wherein the translation assembly (9) is a horizontally arranged translation oil cylinder, a cylinder body of the translation oil cylinder is fixedly connected with an injection molding movable template (13), a telescopic part is fixedly connected with a movable table (6), and the translation assembly (9) drives the core body (4) to horizontally move through the movable table (6); or the first lifting assembly (7) comprises a first oil cylinder which is vertically arranged, the cylinder body of the first oil cylinder is fixedly connected with the frame (1), the telescopic part is fixedly connected with the injection molding movable template (13), and the first oil cylinder drives the injection molding movable template (13) to lift so as to enable the translation assembly (9), the movable table (6) and the core body (4) to synchronously lift; or the translation assembly (9) comprises a sliding rail arranged on the movable template (13) of the injection molding machine and a sliding block arranged on the top plate of the movable table (6), and the sliding block horizontally slides along the sliding rail so that the movable table (6) drives the core body (4) to reciprocate and translate between the injection molding mechanism and the bottle blowing mechanism; or the second lifting assembly (8) comprises a second oil cylinder which is vertically arranged, the cylinder body of the second oil cylinder is fixedly connected with the bottom plate of the movable table (6), and the telescopic part drives the core body (4) to lift.

6. The injection, pulling and bottle blowing integrated machine according to claim 2, wherein the axis of the injection cavity (2) is vertically arranged and provided with an upward cavity opening, a bottom surface of the injection cavity (5) and the cavity opening of the injection cavity (2) are respectively provided with a lower positioning groove (17) and a lower convex rib (16) which can be vertically inserted and pulled, the injection cavity (5) is arranged at the cavity opening of the injection cavity (2) through a liftable half fixing plate (18), and when the injection cavity (5) clamp is from an open state to a clamping state, the half fixing plate (18) drives the injection cavity (5) clamp to move downwards and sleeve the lower convex rib (16) through the lower positioning groove (17) so that the injection cavity (5) clamp is clamped and positioned in the clamping state.

7. The injection, pulling and bottle blowing integrated machine according to claim 1, wherein a limiting ring (19) is fixedly connected to the bottom of the movable table (6), a sealing ring surface (20) capable of blocking a gap between the core body (4) and the injection half (5) is formed at the inner edge of the bottom surface of the limiting ring (19), an upper convex rib (14) is arranged at the outer edge of the bottom surface of the limiting ring (19), an upper positioning groove (15) is arranged at the top surface of the injection half (5), and when the movable table (6) falls and drives the core body (4) to be inserted into the injection cavity (2), the upper convex rib (14) is vertically inserted into the upper positioning groove (15) so that the injection half (5) is clamped and positioned in a clamping state.

8. The injection, stretch and blow molding integrated machine according to claim 7, wherein the diameter of the inner side wall of the limiting ring (19) is matched with the diameter of the outer side wall of the core body (4) so as to enable the limiting ring and the core body to be in sealing sleeve joint; or the outer side wall of the core body (4) forms an annular blowing groove (21) through the recess, a blowing hole is formed in the limiting ring (19), when the core body (4) is positioned at an injection molding station or a hiding station, the blowing grooves (21) are positioned above the blowing holes and are isolated from each other, and when the core body (4) is positioned at a stretching station, the blowing holes (22) are communicated with the closed cavity through the blowing grooves (21) so as to enable bottle blanks to be blown into bottle bodies.

9. The injection-stretch bottle blowing integrated machine according to any one of claims 1 to 8, wherein the bottle blowing mechanisms are two and are separately arranged at two sides of the injection molding mechanism, the conveying mechanism comprises two groups of cores (4) corresponding to the bottle blowing mechanisms one by one, and the cores (4) are arranged in the movable table (6) in a lifting manner so that the cores (4) can synchronously and horizontally move; or the number of the injection molding cavities (2) is matched with the number of the bottle blowing cavities (3) in a single bottle blowing mechanism, and the injection molding mechanism continuously produces bottle blanks and alternately conveys the bottle blanks to the corresponding bottle blowing mechanisms; or the injection molding mechanism is provided with a plurality of rows of 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 (3) on the bottle blowing mechanisms.