CN113696455B - Injection-blowing machine - Google Patents
Injection-blowing machine Download PDFInfo
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- CN113696455B CN113696455B CN202111092047.1A CN202111092047A CN113696455B CN 113696455 B CN113696455 B CN 113696455B CN 202111092047 A CN202111092047 A CN 202111092047A CN 113696455 B CN113696455 B CN 113696455B
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- bottle
- injection
- injection molding
- blowing
- cavity
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- 238000007664 blowing Methods 0.000 title claims abstract description 167
- 238000001746 injection moulding Methods 0.000 claims abstract description 156
- 230000007246 mechanism Effects 0.000 claims abstract description 144
- 238000002347 injection Methods 0.000 claims abstract description 44
- 239000007924 injection Substances 0.000 claims abstract description 44
- 238000013519 translation Methods 0.000 claims description 38
- 239000002994 raw material Substances 0.000 claims description 21
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000010102 injection blow moulding Methods 0.000 claims 6
- 238000000605 extraction Methods 0.000 claims 2
- 238000012545 processing Methods 0.000 abstract description 32
- 230000000630 rising effect Effects 0.000 abstract description 15
- 238000004904 shortening Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 description 9
- 229920003023 plastic Polymers 0.000 description 7
- 239000004033 plastic Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000000465 moulding Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
- B29C49/06—Injection blow-moulding
- B29C49/061—Injection blow-moulding with parison holding means displaceable between injection and blow stations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/28—Blow-moulding apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/48—Moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
- B29C2049/023—Combined blow-moulding and manufacture of the preform or the parison using inherent heat of the preform, i.e. 1 step blow moulding
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
本发明涉及一种注吹一体机。现有注吹一体机的芯体需要与瓶坯脱离，影响加工效率。本发明包括机架，机架上设有带注塑腔的注塑机构、带吹瓶腔的吹瓶机构以及输送机构，输送机构包括芯体和哈夫夹，芯体插置在注塑腔内并注塑形成瓶坯，哈夫夹在注塑机构处抓取瓶坯并输送至吹瓶机构处，插置在瓶坯内的芯体随哈夫夹同步移动至吹瓶腔内并将瓶坯吹制成瓶体。将芯体设置在输送机构上，且与夹持瓶坯的哈夫夹以及注塑机构加工形成的瓶坯同步移动，使得芯体在瓶坯转运时无需拔出，既缩短芯体上升距离，通过缩短单次注塑加工的时长来提升加工效率，还通过降低芯体上升高度而无需为芯体预留过多的上升空间，进而有效降低吹注一体机的高度，提升使用体验。
The present invention relates to an injection-blowing machine. The core of the existing injection-blowing machine needs to be separated from the bottle blank, which affects the processing efficiency. The present invention includes a frame, and the frame is provided with an injection molding mechanism with an injection molding cavity, a bottle blowing mechanism with a bottle blowing cavity, and a conveying mechanism. The conveying mechanism includes a core and a half clamp. The core is inserted into the injection molding cavity and injection-molded to form a bottle blank. The half clamp grabs the bottle blank at the injection molding mechanism and conveys it to the bottle blowing mechanism. The core inserted in the bottle blank moves synchronously with the half clamp into the bottle blowing cavity and blows the bottle blank into a bottle body. The core is arranged on the conveying mechanism, and moves synchronously with the half clamp holding the bottle blank and the bottle blank formed by the injection molding mechanism, so that the core does not need to be pulled out when the bottle blank is transported, which not only shortens the rising distance of the core, and improves the processing efficiency by shortening the duration of a single injection molding process, but also reduces the rising height of the core without reserving too much rising space for the core, thereby effectively reducing the height of the blow-injection machine and improving the user experience.
Description
Technical Field
The invention relates to the field of plastic processing, in particular to an injection-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 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 half clamp clamps the bottle blank to be 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 to stretch and blow the bottle, 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 displacement distance of the injection molding core, the height of the blowing and injection integrated machine is increased due to the requirement of the injection molding core, and the stretching sealing structure is required to be arranged on the bottle blank and the half clamp to be moved to the bottle blowing cavity, so that the production efficiency is influenced, and the production cost is increased.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides the injection-blowing integrated machine, and the core body capable of being linked with the bottle blank is arranged on the conveying mechanism, so that the length required by single injection molding processing is shortened by shortening the rising distance of the core body, the processing efficiency is improved, the height of the injection-blowing integrated machine is effectively reduced, and the use experience is improved.
The injection and blowing integrated machine comprises a frame, 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 frame, the conveying mechanism comprises an axially telescopic core body and a half clamp capable of being switched in an opening-closing mode, 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 grasp 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. The bottle blank synchronous moving device has the advantages that the core body is arranged on the conveying mechanism and synchronously moves with the half clamp for clamping the bottle blank and the bottle blank formed by processing of the injection molding mechanism, so that the core body is not required to be pulled out when the bottle blank is transported, the core body is used as a stretching rod when a bottle is stretched and blown, the stretching rod and the stretching mechanism are omitted, the rising distance of the core body is shortened to be half of the original rising distance by omitting the action of pulling out the bottle blank, the hollow pulling stroke of the core body is omitted, the processing efficiency is improved by shortening the duration of single injection molding processing, the rising height of the core body is reduced, the excessive rising space is not required to be reserved for the core body, the distance of the stretching rod which is inserted into the bottle blank again is saved, the height of the blowing and injection integrated machine is reduced, and the use experience is improved. The core body has the functions of the injection molding core and the stretching pipe in the use process, can be inserted into the injection molding cavity to realize the function of the injection molding core and complete injection molding operation, can be downwards stretched in the bottle blowing cavity through the core body and perform bottle blowing operation, omits a stretching mechanism and a sealing mechanism, improves the production efficiency, saves the manufacturing cost, ensures that bottle blanks cannot be eccentric, and ensures the quality. Meanwhile, the core body is internally provided with a cold and hot temperature adjusting component, so that the temperature of the bottle blank is always maintained within a temperature range required by processing.
Preferably, the conveying mechanism comprises a movable table, and the core body is vertically arranged on the movable table in a lifting manner, so that the core body can move between the injection molding cavity and the bottle blowing cavity and can be switched in an inserting and pulling manner. The core body vertically lifts and can be matched and inserted with an injection cavity or a bottle blowing cavity with an upward open cavity opening. The vertical inserting of the core body is arranged in the injection molding cavity and surrounds the injection molding cavity to form a closed cavity for raw material injection, the projection area of the core body along the inserting direction is reduced to reduce the acting force applied during injection molding, multi-cavity multi-row production can be realized, the production efficiency is improved, the limiting assembly has the effects of simplifying the structure and reducing the structural strength requirement, the processing cost is reduced, the injection molding reliability is improved, and the situation that the core body is separated from the injection molding cavity during injection molding is prevented.
Preferably, the conveying mechanism comprises a limiting assembly, and the core body is vertically inserted into the injection cavity and clamped and positioned by the limiting assembly, so that the injection cavity, the half clamp and the core body are enclosed to form a closed cavity which is isolated from the external space and is filled with raw materials. Through setting up spacing subassembly and guaranteeing the core and effectively fix a position in the operation of moulding plastics for mould plastics chamber inside wall, half press from both sides the chamber and the outer lateral wall of core match enclose and close the airtight cavity that forms the usefulness of moulding plastics, ensure that the profile of the bottle base of output accords with the designing requirement, guarantees product quality.
Preferably, the limiting component comprises a limiting ring sleeved on the core body, the limiting ring is fixedly connected to the movable table, the core body is ensured to be only stretched downwards to blow a bottle and not to rise upwards, the inner edge of the bottom of the limiting ring extends downwards to form a clamping ring, the outer side wall of the core body is provided with an upward bearing ring surface, 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 cavity, the movable table drives the limiting ring to move from top to bottom and props against the bearing ring surface through the clamping ring so as to limit the upward deflection of the core body. The limiting ring is vertically overlapped and limited with the bearing ring surface on the core body through the clamping ring arranged below the limiting ring, so that the core body is ensured to be always suspended at the preset height in the injection cavity, and the wall thickness of the produced bottle blank is ensured to meet the design requirement. The clamping ring is sleeved on the core body, so that the two are ensured to be concentrically connected, the outline of the closed cavity is ensured to be unchanged, and the uniformity of the outline of the 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 bottle blank mouth, and after the limiting ring is clamped in place, the clamping ring is suspended in the half clamp and is used for raw material pouring to form the blank mouth. The outer side wall of the clamping ring forms a local inner side wall of the closed cavity and has a shaping effect on raw materials, and particularly, the outer side wall of the clamping ring is matched with the wall surface of the cavity of the half clamp to form an area for forming a bottle blank mouth by 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 supporting ring surface so as to enable the bottom surface of the clamping ring and the outer edge of the supporting ring surface to be in smooth connection, 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 supporting ring surface so as to enable the inner wall of the clamping ring to be matched and attached with the outer wall of the core body. The vertical projections between the bottom surface of the clamping ring and the supporting ring surface are mutually overlapped, so that the maximum contact area between the bottom surface of the clamping ring and the supporting ring surface is ensured, the outer side wall of the clamping ring is smoothly connected with the outer side wall of the section of the core body below the supporting ring surface, and the inner side wall of the clamping ring is tightly attached to the outer side wall of the section of the core body above the supporting ring surface, so that the radial positioning effect is achieved on the clamping ring.
Preferably, an upper protruding rib is arranged on the outer edge of the bottom surface of the limiting ring, a lower protruding rib is arranged on the periphery of the cavity opening of the injection cavity, an upper positioning groove and a lower positioning groove are respectively arranged on the top surface and the bottom surface of the half clamp, and when the first lifting assembly drives the limiting ring to move downwards through the movable table and vertically clamps the half clamp with the cavity opening of the injection cavity, the upper protruding rib and the lower protruding rib are respectively vertically inserted into the upper positioning groove and the lower positioning groove, so that the half clamp is closed and locked. The plugging direction between the upper convex rib and the upper positioning groove, and the plugging direction between the lower convex rib and the lower positioning groove are perpendicular 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 protruding ribs and the upper positioning grooves and the lower protruding ribs and the lower positioning grooves are separated, the half clamp can be opened, and the stability of the half clamp in gripping bottle blanks is ensured. The lower protruding ribs are separated from the lower positioning grooves when the die is opened, the half clamp, the core body and the bottle blank are moved into the bottle blowing cavity together, after bottle blowing operation is completed, the half clamp is vertically separated from the movable table, the upper protruding ribs are separated from the upper positioning grooves, and at the moment, the half clamp is opened and separated from the bottle body, so that the bottle body falls down.
Preferably, the conveying mechanism comprises a bottle blowing assembly, the bottle blowing assembly comprises a blowing hole formed in a limiting ring and a blowing groove vertically formed in the outer side wall of the core body, and the core body moves downwards and guides high-pressure air in the blowing hole into a 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 pipe when being inserted into the bottle blowing, can continuously convey high-pressure air to the bottle blank, can control the core body to stretch downwards for positioning, and can always convey the high-pressure air to the interior of the bottle blank, so that the bottle blowing quality is ensured. The outer port of the air blowing hole is communicated with an external high-pressure air source, and the inner port of the air blowing hole can be always communicated with the air blowing groove when the core body stretches downwards, so that the stability and the persistence of high-pressure air delivery are ensured, and the bottle blank is ensured to expand uniformly. In the blowing process, the blowing groove is bridged between the blowing hole and the inner cavity of the bottle blank and isolated from the external space.
Preferably, the half clamp is mounted on the bottom surface of the movable table through a liftable fixing plate, so that the half clamp can be lifted and lowered independently relative to the movable table. The half clamp is driven to independently lift relative movable tables through the lifting fixing plates, so that the half clamp can be vertically plugged and pulled through the independent lifting to realize the vertical plug switching of the upper convex ribs and the upper positioning grooves, the half clamp can be smoothly opened and closed, in addition, the half clamp can be relatively displaced with the core body through the vertical lifting, the core body can be relatively displaced with the bottle blank or the bottle body, and the core body can be conveniently pulled out.
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 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 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.
Preferably, the conveying mechanism comprises a first lifting component for driving the core and the movable table to synchronously lift, a second lifting component capable of driving the core to downwards stretch the bottle blank in the bottle blowing cavity, and a translation component for driving the movable table to reciprocate between the injection molding mechanism and the bottle blowing mechanism, wherein the movable table is suspended at the bottom of the first lifting component through the translation component, so that the translation component is driven by the first lifting component to synchronously lift 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 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 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 the bottle blowing device is used, the first lifting component can drive the translation component, the movable table and the core body to synchronously lift, so that the core body can be switched between the pulling-out station and the inserting station, the translation component can drive the movable table and the core body to synchronously translate, the core body can reciprocate between the injection molding mechanism and the bottle blowing mechanism, bottle blanks, half clamps and the core body can be synchronously transported, and the second lifting component can drive each core body to independently lift, so that the bottle blanks in the bottle blowing cavity can be blown into the bottle bodies. When the first lifting assembly drives the connecting table to lift, the half clamp opens the half, and the core body lifts and breaks away from the blown bottle body, so that the bottle body falls off.
Preferably, the top of the first lifting assembly is fixedly connected with the frame, and the bottom of the first lifting assembly drives the translation assembly to lift through the movable template of the injection molding machine, so that the first lifting assembly drives the core body to lift and switch between an insertion station for inserting the injection molding cavity or the bottle blowing cavity and a pulling-out station for separating from the injection molding cavity or the bottle blowing cavity sequentially through the translation assembly and the movable table. The first lifting component can drive the core body and the half clamp on the movable table to synchronously lift, so that a bottle blank formed by injection molding in the closed cavity is pulled out of the injection cavity.
Preferably, the translation assembly comprises an injection molding movable template fixedly connected with the first lifting assembly and a driving part for driving the movable table to reciprocate and translate along the injection molding movable template, and a track for the movable table to translate is arranged on the injection molding movable template. The movable template 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 reciprocate and translate along the track between the injection molding mechanism and the bottle blowing mechanism. When the movable platform is used, the first lifting assembly can play a role in horizontally limiting the movable template of the injection molding machine, and accurate displacement of the movable platform under the driving of the driving part is ensured.
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 the 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 independently lift 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 matched and fixedly connected, the relative positions of the top plate and the bottom plate are ensured to be fixed and always kept parallel to each other, and then the top plate can drive the second lifting assembly, the core body and the half clamp to synchronously move through the movable table when receiving vertical acting force or horizontal acting force from the translation assembly. The top plate can horizontally slide along the rail, the rail not only plays a role in guiding the movable table to horizontally move, but 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, so that the core body can be lifted relative to the movable table.
The invention has the outstanding advantages that the core body is arranged on the conveying mechanism and synchronously moves with the half clamp for clamping the bottle blank and the bottle blank formed by processing of the injection molding mechanism, so that the core body does not need to be pulled out when the bottle blank is transported, the rising distance of the core body is shortened by omitting the action of pulling out the bottle blank, the stretching length of the core body is shortened when the bottle is blown, the processing efficiency is improved by shortening the duration of single injection molding processing, the rising height of the core body is reduced without reserving excessive rising space for the core body, the height of the blowing and injection integrated machine is further effectively reduced, the stretching sealing structure is omitted, and the stretching stroke of at least half of stretching is shortened by using the core body as a stretching rod, so that the use experience is improved.
Drawings
FIG. 1 is a schematic view of a partial cross-sectional structure of the preform, core, and half clamp when they are disengaged from the injection 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 of a partially cut-away structure of the core body when the second lifting assembly drives the bottle body to be blown;
FIG. 4 is a schematic view of a partial cross-sectional structure of the half clamp when opened;
FIG. 5 is a schematic view of a radial cross-sectional structure of the core with an air-blowing slot section;
FIG. 6 is a schematic structural diagram of the real-time integrated machine;
FIG. 7 is a schematic view of an assembled structure of the fastening plate and the half clamp;
in the figure, 1, a frame, 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, a blowing hole, 18, a blowing groove, 19, a second lifting component, 20, a bottle blank, 21, a track, 22, a top plate, 23, a driving plate, 24, an injection molding movable template, 25, a fixedly connected plate, 26, a first lifting component, 27 and a translation component.
Detailed Description
The essential features of the invention are further described in connection with the accompanying drawings and the detailed description.
The injection and blowing integrated machine as shown in fig. 1 and 2 is composed of a 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 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 retract and is inserted into a bottle blank and a half clamp 8 which can be switched in an opening and closing mode, the core body is inserted into the injection molding cavity and is injected 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. The core 7 is along with bottle base 20 is pulled out the back synchronous motion to blow bottle intracavity 4 in from moulding plastics intracavity 2 by half clamp 8, and core 7 has the effect of moulding plastics core and tensile pipe in original all-in-one structure concurrently for core 7 need not to pull out when bottle base 20 is transported, both shortens core 7 rising distance through the action of omitting to pull out bottle base 20, promotes machining efficiency through shortening the duration of single injection molding processing, still through reducing core 7 rising height and need not to reserve too much rising space for core 7, and then effectively reduces the height of blowing and annotating all-in-one, promotes use experience.
In actual operation, the conveying mechanism 6 comprises a movable table 9, and the core 7 is vertically arranged on the movable table 9 in a lifting manner, so that the core 7 can be moved 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 reciprocate and translate 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 the blank mouth of the bottle blank. Specifically, the conveying mechanism 6, the injection molding mechanism 3 and the bottle blowing mechanism 5 realize bottle processing through the following steps:
Firstly, the injection molding mechanism 3 heats and liquefies raw materials through a hot runner, the movable table 9 is driven by the translation assembly 27 to move to the upper part of the injection molding mechanism 3, at the moment, the movable table 9 is at a lower station, and the core 7 is inserted into the injection molding cavity 2 from top to bottom so as to enable the injection molding cavity 2, the core 7 and the half clamp 8 to be enclosed to form a closed cavity;
secondly, after the core 7 is inserted in place, the limiting component is opened, at the moment, the core 7 is precisely positioned and enclosed with the half clamp 8 and the injection cavity 2 to form a closed cavity for raw material injection, and the upper convex ribs 13 and the lower convex ribs 14 are respectively inserted into the upper positioning grooves 15 and the lower positioning grooves 16, so that the half clamp 8 is closed and locked, and extrusion acting force generated during raw material injection can be effectively resisted in the closed cavity;
Thirdly, the injection molding mechanism 3 comprises a hot runner, liquefied raw materials are injected into a closed cavity under the pushing action of an injection molding oil cylinder, and cooling water is injected into an injection mold and the core 7 to cool and shape the raw materials, so that a bottle blank is obtained, at the moment, the contour of the bottle blank is fixed and is in a softened state, the core 7 is inserted into the bottle blank, and a blank opening is clamped by the half clamp 8;
Fourthly, the movable table 9 is driven by the first lifting component 26 to lift from the lower station to the upper station, the half clamp 8 grabs the bottle blank and lifts synchronously with the core 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 translation of the bottle blank 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 assembly 27 to translate from the position above the injection molding mechanism 3 to the position above the bottle blowing mechanism 5, so that bottle blanks move above the bottle blowing cavity 4;
Sixth, the movable table 9 is driven by the first lifting assembly 26 to fall from the upper station to the lower station, the half clamp 8 and the core 7 fall simultaneously, so that bottle blanks are inserted into the bottle blowing cavity 4, and at the moment, the half clamp 8 and the core 7 radially clamp blank openings and seal the cavity openings of the bottle blowing cavity 4;
Seventh, the air blowing hole 17 receives high-pressure air from an external high-pressure air source and inputs the high-pressure air into the bottle blank through the air blowing groove 18, the bottle blank in a softened state expands around and below due to the fact that the high-pressure air is poured into the bottle blank, in the process, the core 7 is driven by the second lifting assembly 19 to independently extend downwards (as shown in fig. 3), the high-pressure air can be conveyed into the bottle blank along the air blowing groove 18, the movable table 9 and the half clamp 8 are effectively positioned, and the blank opening is effectively sealed;
eighth step, the bottle blank is blown into a bottle body, the core 7 is driven to rise by the second lifting assembly 19, the movable table 9 is driven to move upwards by the first lifting assembly 26, the half clamp 8 is driven to vertically separate from the movable table by the fixed plate, and the half clamp is opened by utilizing a dovetail after the upper convex rib 13 is separated from the upper positioning groove 15;
And ninth step, the half clamp 8 is opened and separated from the bottle mouth of the bottle body, the movable table 9 is driven by the first lifting assembly 26 to move upwards to the upper station, so that the half clamp 8 and the core 7 are separated from the bottle blowing mould, and in the process, the bottle blowing mould is opened and the bottle body is moved away from the bottle blowing cavity 4.
Tenth, the movable table 9 is driven by the translation assembly 27 to move from the upper position of the bottle blowing mechanism 5 to the upper position of the injection molding mechanism 3 and is inserted into the injection molding cavity 2 again, and bottle blanks are obtained and processed into bottle bodies by repeating the first step to the tenth step.
In the course of working, the core 7 need not to extract the bottle base, need not to provide the required space of extracting the bottle base for the core 7, can effectively save the required time of core 7 extracting the bottle base, and the core is tensile to blow downwards when blowing the bottle has saved stretching mechanism and stretching rod, promotes machining efficiency through shortening single processing time length, can also effectively reduce the whole height of equipment and the required space height of operation, convenient assembly and use. The movable table is provided with two groups of cores, and a second lifting assembly and a half clamp which correspond to the cores, so that the two groups of cores and the half clamp 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.
In actual operation, injection molding mechanism 3 includes integrated into one piece's injection mold, set up the vertical and upward open injection molding chamber 2 of axis on the injection mold, conveying mechanism 6 includes spacing subassembly, the vertical injection molding chamber 2 of inserting of core 7 is put the location by spacing subassembly card to make injection molding chamber 2, half clamp 8 and core 7 enclose and close and form with external space isolation and supply the airtight cavity that the raw materials was poured. The injection mold forms the injection cavity 2 through integrative processing, effectively resists the extrusion effort from the raw materials when moulding plastics through eliminating the processing gap on the 2 inside wall of injection cavity, ensures that bottle base lateral wall is smooth level and smooth. The core 7 is inserted into the injection molding cavity 2 from top to bottom and matched with the half clamp 8 to seal the injection molding cavity 2, the core 7 is fixed by utilizing a limiting component, and the half clamp 8 is fixed by utilizing an upper positioning groove 15 and a lower positioning groove 16 which are arranged on the top surface and the bottom surface of the half clamp, so that the half clamp 8 and the core 7 can effectively resist extrusion acting force from raw materials during injection molding. In addition, compare in the mode that original injection molding chamber adopted the symmetry to open and shut, the projection area of core 7 along the direction of opening of injection molding chamber 2 is less than original injection molding chamber along its direction of opening and shutting far away to satisfy the requirement that sets up a plurality of multirow injection molding chamber, effectively reduced the extrusion effort that core 7 received, and then effectively reduced the requirement to spacing subassembly structural strength, both convenient processing still promotes job stabilization nature, prevents the condition that airtight cavity took place the raw materials and reveal.
In actual operation, the spacing subassembly is including the spacing ring 10 of cover on core 7, spacing ring rigid coupling is on the movable table for spacing and movable table move together, the bottom inner edge of spacing ring 10 is along downwardly extending forming clamping ring 11, be equipped with the bearing anchor ring 12 that sets up on the lateral wall of core 7, after the core 7 inserts injection molding cavity 2, movable table 9 drives spacing ring 10 top-down removal and is in through clamping ring 11 conflict on the bearing anchor ring 12, in order to restrict core 7 skew upwards. As shown in fig. 4, when the conveying mechanism 6 is ready for the injection molding operation in cooperation with the injection molding mechanism 3:
firstly, the half clamp 8 is switched from an open state to a closed state, so that the upper convex rib 13 is vertically aligned with the upper positioning groove 15;
Then, the movable table 9 falls to a lower station, the core 7 is inserted into the injection molding cavity 2, the limiting ring 10 can be pushed against the bearing ring surface 12 by 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 7 and the half clamp 8 are effectively positioned and enclosed with the injection molding cavity 2 to form a closed cavity;
And finally, pouring 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 airtight cavity and with airtight cavity intercommunication's temperature regulation pipe, carry out temperature regulation to the raw materials through carrying medium water or medium oil, the temperature of medium water or medium oil depends on raw materials kind and processing procedure, both ensure bottle base cooling design, ensure the condition that can not take place to warp when transporting to blowing chamber 4, still ensure the compliance of bottle base, ensure that the bottle base can be directly blown into the bottle after carrying to blowing chamber 4, need not to carry out the reheat, effectively simplify the structure. In addition, since the core 7 is always inserted into the bottle blank, the core 7 can be made of a material with better heat absorption, heat loss of the bottle blank during exposed transportation is counteracted by preserving heat in the core 7, the bottle blank can be ensured to be directly blown into the 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 and generating heat in the core 7, so that the invention is also regarded as a specific embodiment of the invention. In addition, the core body is provided with a channel for cold water and hot water or heat conducting oil to circulate, and the temperature of the bottle blank formed by processing is enabled to be the same by adjusting the flow rate and the temperature of a medium, so that the quality product rate is ensured, and the secondary heating energy consumption is saved.
In actual operation, the diameter of the outer side wall of the clamping ring 11 is matched with the diameter of the inner side wall of the bottle blank mouth, after the limiting ring 10 is clamped in place, the clamping ring 11 is suspended in the half clamp 8 and is used for raw material filling to form the blank mouth, 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 as to enable the two to be connected smoothly, 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 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 the supporting annular surface 12, the limiting ring 10 and the inner side wall of the billet 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 cavity 2 is provided with a lower protruding rib 14, the top surface and the bottom surface of the half clamp 8 are respectively provided with an upper positioning groove 15 and a lower positioning groove 16, and when the limiting ring 10 moves downwards and vertically clamps the half clamp 8 with the cavity opening of the injection 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 half 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 be lifted independently relative to the movable table 9, and the half clamp 8 can be lifted at the bottom of the movable table 9 in a proper amount, so that the plugging requirement between the upper convex rib 13 and the upper positioning groove 15 is met. The cavity inner side wall of the half clamp 8 is provided with threads or concave ring lines, so that matched threads or convex ring lines are formed on the outer side wall of the blank mouth of the bottle blank, the half clamp can be used for being screwed with a bottle cap, and an application point for conveniently clamping and grabbing the bottle blank by the half clamp 8 can be formed. The upper positioning groove 15 and the upper convex rib 13, the lower positioning groove 16 and the lower convex rib 14 have the same cross-section outline, so that the positioning stability after the insertion is ensured. Inclined guide surfaces are arranged on two sides of the upper protruding ribs 13 and the lower protruding ribs 14, so that the upper protruding ribs 13 and the lower protruding ribs 14 can be smoothly inserted into the upper positioning grooves 15 and the lower positioning grooves 16, and the half clamp 8 can be accurately positioned and matched with the core 7 to seal 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 fixing plate 25 capable of lifting (as shown in fig. 7), so that the half clamp 8 can independently lift relative to the movable table 9. The fixed plate can be lifted relative to the bottom plate of the movable table, and the half clamp and the fixed plate are fixed in vertical positions, so that the half clamp can be lifted vertically relative to the movable table under the drive of the fixed plate, and vertical plug switching is realized by the upper positioning groove 15 and the upper convex rib 13. The half clamp can be freely opened and closed when the upper positioning groove and the lower positioning groove are separated from each other, can be kept in a closed state when the upper positioning groove and the lower positioning groove are bound, can not loosen and deviate when injection molding operation is carried out, keeps concentricity, and guarantees quality.
In actual operation, the conveying mechanism 6 includes bottle blowing assemblies corresponding to the cores one by one, and the bottle blowing assemblies include a blowing hole 17 formed on the limiting ring 10 and a blowing slot 18 vertically formed on the outer side wall of the core 7 (as shown in fig. 5), and the core 7 moves downward and guides high-pressure air in the blowing hole 17 into the bottle blank through the blowing slot 18, so that the bottle blank is blown into a bottle body. The plurality of air blowing grooves 18 are equidistantly arranged along the outer side wall of the core 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 split into the air blowing grooves 18 through the air conveying ring.
In actual operation, the air blowing groove 18 is arranged on the outer side wall of the section of the core 7 above the bearing ring surface 12, and when the second lifting assembly 19 does not drive the core 7 to move downwards, the air blowing groove 18 is blocked by the limiting ring 10 during injection molding, so that raw materials cannot leak out through the air blowing groove 18. When the core 7 is driven by the second lifting assembly 19 to move downwards, 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 number of the bottle blowing mechanisms 5 is two and the two bottle blowing mechanisms 5 are separately arranged on 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 installed in the movable table in a lifting manner so that the cores can synchronously and horizontally move, the number of the injection molding cavities 2 is matched with that of the bottle blowing cavities 4 in the 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. Bottle blanks generated by the injection molding mechanism 3 can be alternately conveyed into the bottle blowing mechanisms 5 on two sides, so that sufficient single processing time length is provided for the bottle blowing mechanisms 5, the product quality is ensured, the processing efficiency of the injection molding mechanism 3 can be effectively improved, and the yield is improved. The conveying mechanism 6 comprises a movable table, the core, the second lifting assembly and the half clamp are all arranged on the same movable table, the relative positions among the cores are ensured to be fixed, the linkage can be realized under the driving of the translation assembly 27 and the first lifting assembly 26, and when the conveying mechanism is used, the axial distance between the axis of the bottle blowing cavity 4 and the injection molding cavity 2 is the same, and the axial distance between the axis of the bottle blowing cavity 4 and the core on the movable table 9 is matched, so that the cores can be synchronously and accurately moved to the corresponding bottle blowing cavity and injection molding cavity.
In actual operation, be equipped with multirow injection molding chamber 2 on the injection mold, each row sets up one or more injection molding chamber 2, the relative position in injection molding chamber 2 matches with the relative position in bottle blowing chamber 4 on each bottle blowing mechanism 5 and corresponds for the bottle base that injection molding mechanism 3 single processing formed can be received and processing by bottle blowing mechanism 5 is synchronous, effectively promotes output. The adjustment of the output by adjusting the number of rows and the number of single rows of the injection cavities 2 should be regarded as an embodiment of the present invention.
In actual operation, the conveying mechanism 6 includes a first lifting assembly 26 for driving the core, the translation assembly and the second lifting assembly to synchronously lift, a second lifting assembly 19 for driving the core 7 to downwardly stretch the bottle blank in the bottle blowing cavity 4, and a translation assembly 27 (as shown in fig. 6) for driving the core 7 at the extracting station to reciprocate between the injection molding mechanism 3 and the bottle blowing mechanism 5, wherein the movable table is suspended at the bottom of the first lifting assembly 26 by the translation assembly 27, so that the translation assembly 27 is driven by the first lifting assembly 26 to synchronously lift with the movable table. The top of the first lifting assembly 26 is fixedly connected with the frame, the bottom of the first lifting assembly drives the injection molding movable template 24 to lift synchronously, so that the translation assembly 27, the movable table, the core body, the half clamp and the second lifting assembly lift synchronously, so that the core body can lift and switch between the inserting station and the extracting station, the translation assembly 27 drives the movable table to horizontally move relative to the injection molding movable template 24, so that the movable table, the core body, the half clamp and the second lifting assembly translate synchronously, so that the core body can shift and switch between the injection molding mechanism and the bottle blowing mechanism, and the second lifting assembly is fixedly connected on the bottom plate and drives the core body to lift synchronously, so that the core body can lift independently and perform bottle blowing operation.
In practical operation, the first lifting assembly 26, the second lifting assembly 19 and the translation assembly 27 may all be cylinders, and driving structures such as cylinders, screws and the like may also be used, which should be considered as embodiments of the present invention. In addition, the driving structure for driving the fixing plate to lift can also be an oil cylinder, an air cylinder, a screw rod and the like, and the driving structure is also regarded as a specific embodiment of the invention.
In actual operation, the top of the first lifting assembly 26 is fixedly connected with the frame, and the bottom drives the translation assembly 27 to lift, so that the first lifting assembly 26 sequentially drives the core body to lift and switch between an insertion station for inserting the injection molding cavity 2 or the bottle blowing cavity 4 and a pulling-out station for separating from the injection molding cavity 2 or the bottle blowing cavity 4 through the translation assembly 27 and the movable table. The first lifting assembly 26 is arranged at the top of the frame, the translation assembly 27 is arranged below the first lifting assembly 26, the movable table is arranged below the translation assembly 27, and the second lifting assembly is arranged in the movable table. The translation assembly 27 comprises an injection molding movable template 24 fixedly connected with the first lifting assembly 26 and a driving part for driving the movable table to reciprocate and translate along the injection molding movable template 24, a track 21 for the movable table to translate is arranged on the injection molding movable template 24, two horizontally arranged tracks 21 are arranged on the injection molding movable template 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 born, and the movable table can be driven to horizontally move.
In actual 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 template 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 the driving plate 23, so that the core body 7 can independently lift 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 always matched and linked. The top plate 22 can be raised and lowered synchronously with the movable mold plate 24 of the injection molding machine and translated relatively, and the bottom plate can provide a mounting platform for the fixed plate, the second lifting assembly, and the core.
In actual 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 vertically move when the movable table 9 is stationary. The second lifting assembly 19 drives the core body 7 to independently lift on the basis of the movable table 9, and the core body 7 is independently lifted under the condition that the half clamp 8 stably seals the cavity opening of the bottle blowing cavity 4.
Claims (9)
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| CN114559637B (en) * | 2022-01-28 | 2025-09-16 | 浙江宏振机械模具集团有限公司 | Liquid blow molding machine using one-step method |
| CN114619651B (en) * | 2022-03-01 | 2024-12-20 | 湖南千山制药机械股份有限公司 | Linear injection-blow-fill-seal plastic bottle packaging equipment |
| CN114750396B (en) * | 2022-04-25 | 2024-01-30 | 浙江帅宝塑胶制品有限公司 | Bottle blow molding machine |
| CN116277885A (en) * | 2023-01-18 | 2023-06-23 | 浙江宏振机械模具集团有限公司 | An injection blowing machine |
| CN121468928B (en) * | 2026-01-12 | 2026-03-27 | 张家港市绿环机械有限公司 | Injection blow hollow forming device capable of realizing active regulation and control of wall thickness |
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| CN102092129A (en) * | 2010-12-04 | 2011-06-15 | 蒋孝丰 | Translation type injection-blow molding machine |
| CN111391277A (en) * | 2020-01-09 | 2020-07-10 | 浙江宏振机械模具集团有限公司 | Bottle blowing machine for compensating and heating bottle blank |
| CN215512223U (en) * | 2021-09-17 | 2022-01-14 | 浙江宏振机械模具集团有限公司 | An injection blowing machine |
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| CN2649318Y (en) * | 2003-10-21 | 2004-10-20 | 曹志亮 | Two-station one-step rotary injection-draw-blow moulding machine for bottle |
| CN112895389B (en) * | 2021-02-11 | 2023-04-07 | 浙江宏振机械模具集团有限公司 | Injection blowing integrated machine with blowing tank |
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| CN102092129A (en) * | 2010-12-04 | 2011-06-15 | 蒋孝丰 | Translation type injection-blow molding machine |
| CN111391277A (en) * | 2020-01-09 | 2020-07-10 | 浙江宏振机械模具集团有限公司 | Bottle blowing machine for compensating and heating bottle blank |
| CN215512223U (en) * | 2021-09-17 | 2022-01-14 | 浙江宏振机械模具集团有限公司 | An injection blowing machine |
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