CN114103058A - Multi-station synchronous extrusion die head and bottle blowing machine - Google Patents

Multi-station synchronous extrusion die head and bottle blowing machine Download PDF

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Publication number
CN114103058A
CN114103058A CN202111328771.XA CN202111328771A CN114103058A CN 114103058 A CN114103058 A CN 114103058A CN 202111328771 A CN202111328771 A CN 202111328771A CN 114103058 A CN114103058 A CN 114103058A
Authority
CN
China
Prior art keywords
movable plate
synchronous
extrusion die
core
station
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111328771.XA
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Chinese (zh)
Inventor
王树辉
严志光
梁浩铭
刘建明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Leshan Intelligent Equipment Corp ltd
Original Assignee
Guangdong Leshan Intelligent Equipment Corp ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Leshan Intelligent Equipment Corp ltd filed Critical Guangdong Leshan Intelligent Equipment Corp ltd
Priority to CN202111328771.XA priority Critical patent/CN114103058A/en
Publication of CN114103058A publication Critical patent/CN114103058A/en
Pending legal-status Critical Current

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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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • 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
    • B29C49/04—Extrusion blow-moulding
    • 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
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7158—Bottles

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

A multi-station synchronous extrusion die head and a bottle blowing machine comprise a driver; the mold stripping assemblies are arranged side by side, each mold stripping assembly comprises a core pulling rod, a core mold and a mouth mold, the core pulling rod and the core mold are arranged in the mouth mold, the bottom of the core pulling rod is connected with the core mold, and the top of the core pulling rod extends out of the mouth mold; the driving support comprises a fixed plate, a movable plate and guide columns, the tops of the core-pulling rods are fixedly connected with the movable plate respectively, the driver is installed on the fixed plate and drives the movable plate to reciprocate along the guide columns, and synchronous auxiliaries are arranged between the fixed plate and the movable plate and move synchronously with the movable plate. According to the invention, the synchronous auxiliary element is arranged between the fixed plate and the movable plate of the extrusion die head, so that the stable movement of the movable plate and the synchronous movement of each station are ensured.

Description

Multi-station synchronous extrusion die head and bottle blowing machine
Technical Field
The invention belongs to the field of plastic machinery, and particularly relates to a multi-station synchronous extrusion die head and a bottle blowing machine.
Background
The multi-station synchronous extrusion die head of the existing bottle blowing machine is generally provided with a plurality of die stripping assemblies (namely stations) symmetrically arranged on two sides of a driver, each die stripping assembly is connected with a movable plate, and the driver drives the movable plates to realize synchronous up-and-down movement of all the die stripping assemblies.
However, the more stations, the larger the movable plate size, and after the movable plate is worn, the problem that the left side and the right side of the movable plate are not synchronous in movement easily occurs. Therefore, there is a need for an improved extrusion die for a bottle blowing machine.
Disclosure of Invention
The invention aims to provide a multi-station synchronous extrusion die head and a bottle blowing machine, which can improve the synchronism of the movement of each station of the extrusion die head.
The first technical problem is solved by the following technical scheme: a multi-station synchronous extrusion die head comprises
A driver;
the core pulling device comprises at least two mold stripping assemblies which are arranged side by side, wherein a core pulling rod connected with a core mold is arranged in each mold stripping assembly respectively, and the top of each core pulling rod extends out of each mold stripping assembly;
the driving support comprises a fixed plate, a movable plate and guide columns, the tops of the core-pulling rods are fixedly connected with the movable plate respectively, the driver is installed on the fixed plate and drives the movable plate to reciprocate along the guide columns, and synchronous auxiliaries are arranged between the fixed plate and the movable plate and move synchronously with the movable plate.
Compared with the background technology, the invention has the following beneficial effects: the synchronous auxiliary element is arranged between the fixed plate and the movable plate of the extrusion die head, so that the stable movement of the movable plate and the synchronous movement of each station are ensured.
In one embodiment, the synchronous auxiliary parts are symmetrically arranged on two sides of the driver, each synchronous auxiliary part comprises a first connecting rod and a second connecting rod which are connected with each other through a shaft, the other end of each first connecting rod is connected with the driving bracket shaft, and the other end of each second connecting rod is connected with the movable plate shaft.
In one embodiment, the movable plate is provided with a synchronizing shaft connecting the second links, and the second links are connected to the movable plate shaft through the synchronizing shaft.
In one embodiment, the movable plate is provided with a bearing seat and a connecting sleeve, the middle part of the synchronous shaft penetrates through the connecting sleeve, and two ends of the synchronous shaft are fixed on the bearing seat.
In one embodiment, the bearing seat is provided with a clearance groove for avoiding the guide post, and the synchronous auxiliary part is clamped between the guide posts or positioned outside the guide posts.
In one embodiment, the movable plate is connected to the actuator by a coupling sleeve through which the guide post passes.
In one embodiment, the synchronous auxiliary parts are symmetrically arranged on two sides of the driver, each synchronous auxiliary part comprises a gear and a rack which are meshed with each other, the racks are arranged on the driving support, and the gears are arranged on the movable plates.
In one embodiment, the demolding assembly comprises a worm wheel and a worm which are meshed with each other, the worm wheel is located at the connecting position of the core pulling rod and the movable plate, and the top of the core pulling rod is in threaded connection with the center of the worm wheel.
In one embodiment, the demolding assembly comprises a U-shaped locking block, the locking block is fixed on the movable plate and clamps the core pulling rod through the U-shaped opening, and a locking screw locks the U-shaped opening.
The above embodiments can be combined arbitrarily to form a combined embodiment according to the design requirements of the product and on the premise of contradiction in the technical scheme.
The second technical problem is solved by the following technical solutions: a bottle blowing machine comprises the multi-station synchronous extrusion die head in any one of the embodiments.
The above embodiments can be combined arbitrarily to form a combined embodiment according to the design requirements of the product and on the premise of contradiction in the technical scheme.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of the structure of FIG. 1;
FIG. 3 is a schematic view of the assembly structure of the core rod, the worm wheel, the worm and the locking block in the present invention;
wherein: the device comprises a driver 1, a demoulding component 2, a core drawing rod 21, a worm wheel 22, a worm 23, a locking block 24, a driving support 3, a fixed plate 31, a movable plate 32, a guide pillar 33, a first connecting rod 34, a second connecting rod 35, a synchronizing shaft 36, a bearing seat 37, a clearance 371 groove and a connecting sleeve 38.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Example one
The bottle blowing machine of the embodiment comprises a multi-station synchronous extrusion die head, and as shown in fig. 1, fig. 2 and fig. 3, the extrusion die head comprises a driver 1, a die discharging assembly 2 and a driving bracket 3.
The demolding assemblies 2 are arranged in four rows. A core-pulling rod 21 connected with the core mould is respectively arranged in each mold stripping assembly, and the top of the core-pulling rod 21 extends out of the mold stripping assembly. Each demolding assembly further comprises a worm wheel 22, a worm 23 and a U-shaped locking block 24, the worm wheel 22 and the worm 23 are meshed with each other, the worm wheel 22 is located at the joint of the drawing rod 21 and the movable plate 32, the top of the drawing rod 21 is in threaded connection with the center of the worm wheel 22, the locking block 24 is fixed on the movable plate 32 and clamps the drawing rod 21 through the U-shaped opening, and a locking screw locks the U-shaped opening.
The driving bracket 3 comprises a fixed plate 31, a movable plate 32 and a guide column 33, the top of each mandril 21 is fixedly connected with the movable plate 32, the driver 1 is arranged on the fixed plate 31 and drives the movable plate 32 to reciprocate along the guide column 33, and a synchronous auxiliary member which moves synchronously with the movable plate 32 is arranged between the fixed plate 31 and the movable plate 32.
The synchronous auxiliary is symmetrically arranged on two sides of the driver 1, and comprises a first connecting rod 34 and a second connecting rod 35 which are connected with each other through a shaft, wherein the other end of the first connecting rod 34 is connected with the fixed plate 31 through a shaft, and the other end of the second connecting rod 35 is connected with the movable plate 32 through a shaft. The movable plate 32 is provided with a synchronizing shaft 36, a bearing housing 37 and a connecting sleeve 38. Only one synchronizing shaft 36 is connected to each second link 35, and each second link 35 is connected to the movable plate 32 through the synchronizing shaft 36. The two ends of the synchronizing shaft 36 are fixed on bearing seats 37, the bearing seats 37 are provided with clearance grooves 371 for avoiding the guide posts 33, and the synchronizing auxiliary is clamped between the guide posts 33 or positioned outside the guide posts 33. The middle of the synchronizing shaft 36 passes through a connecting sleeve 38, the movable plate 32 is connected with the driver 1 through the connecting sleeve 38, and the guide post 33 passes through the connecting sleeve 38.
In the embodiment, the synchronous auxiliary element is arranged between the fixed plate and the movable plate of the extrusion die head, so that the stable movement of the movable plate and the synchronous movement of each station are ensured. The core pulling rod is adjusted by adopting a worm gear structure to control the wall thickness of the tube blank output by the die stripping assembly, and the core pulling rod is locked by the locking block so as to lock the wall thickness of the output tube blank.
Example two
The difference between this embodiment and the first embodiment is the synchronous auxiliary, in which the synchronous auxiliary symmetrically disposed on both sides of the driver 1 adopts a link structure, and the present embodiment adopts a rack and pinion structure. Specifically, the synchronous auxiliary includes a gear and a rack engaged with each other, the rack is mounted on the driving bracket, and the gear is mounted on the movable plate.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims (10)

1. The utility model provides a synchronous extrusion die of multistation which characterized in that: comprises that
A driver (1);
the core pulling device comprises at least two mold stripping assemblies (2) which are arranged side by side, wherein a core pulling rod (21) connected with a core mold is arranged in each mold stripping assembly respectively, and the top of each core pulling rod (21) extends out of each mold stripping assembly;
the driving support (3) comprises a fixed plate (31), a movable plate (32) and guide columns (33), the tops of all the core pulling rods (21) are fixedly connected with the movable plate (32) respectively, the driver (1) is installed on the fixed plate (31) and drives the movable plate (32) to reciprocate along the guide columns (33), synchronous accessories are arranged between the fixed plate (31) and the movable plate (32), and the synchronous accessories and the movable plate (32) move synchronously.
2. The multi-station synchronous extrusion die head according to claim 1, wherein: the synchronous auxiliary parts are symmetrically arranged on two sides of the driver (1), each synchronous auxiliary part comprises a first connecting rod (34) and a second connecting rod (35) which are mutually connected in a shaft mode, the other end of each first connecting rod (34) is connected with the fixed plate (31) in a shaft mode, and the other end of each second connecting rod (35) is connected with the movable plate (32) in a shaft mode.
3. The multi-station synchronous extrusion die head according to claim 2, wherein: the movable plate (32) is provided with a synchronizing shaft (36) connected with each second connecting rod (35), and each second connecting rod (35) is connected with the movable plate (32) through the synchronizing shaft (36).
4. The multi-station synchronous extrusion die according to claim 3, wherein: the movable plate (32) is provided with a bearing seat (37) and a connecting sleeve (38), the connecting sleeve (38) penetrates through the middle of the synchronous shaft (36), and two ends of the synchronous shaft (36) are fixed on the bearing seat (37).
5. The multi-station synchronous extrusion die according to claim 4, wherein: the bearing seat (37) is provided with an avoidance groove (371) avoiding the guide pillars (33), and the synchronous auxiliary part is clamped between the guide pillars (33) or positioned on the outer side of the guide pillars (33).
6. The multi-station synchronous extrusion die according to claim 4, wherein: the movable plate (32) is connected with the driver (1) through a connecting sleeve (38), and the guide post (33) penetrates through the connecting sleeve (38).
7. The multi-station synchronous extrusion die head according to claim 1, wherein: the synchronous auxiliary parts are symmetrically arranged on two sides of the driver (1), each synchronous auxiliary part comprises a gear and a rack which are meshed with each other, the racks are arranged on the driving support, and the gears are arranged on the movable plate.
8. The multi-station synchronous extrusion die according to any one of claims 1 to 7, wherein: the demolding assembly (2) comprises a worm wheel (22) and a worm (23) which are meshed with each other, the worm wheel (22) is located at the joint of the core rod (21) and the movable plate (32), and the top of the core rod (21) is in threaded connection with the center of the worm wheel (22).
9. The multi-station synchronous extrusion die of claim 8, wherein: the mold stripping assembly (2) comprises a U-shaped locking block (24), the locking block (24) is fixed on the movable plate (32) and clamps the core pulling rod (21) through the U-shaped opening, and a locking screw locks the U-shaped opening.
10. A bottle blowing machine is characterized in that: comprising a multi-station synchronous extrusion die according to any one of claims 1 to 9.
CN202111328771.XA 2021-11-10 2021-11-10 Multi-station synchronous extrusion die head and bottle blowing machine Pending CN114103058A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111328771.XA CN114103058A (en) 2021-11-10 2021-11-10 Multi-station synchronous extrusion die head and bottle blowing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111328771.XA CN114103058A (en) 2021-11-10 2021-11-10 Multi-station synchronous extrusion die head and bottle blowing machine

Publications (1)

Publication Number Publication Date
CN114103058A true CN114103058A (en) 2022-03-01

Family

ID=80378292

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111328771.XA Pending CN114103058A (en) 2021-11-10 2021-11-10 Multi-station synchronous extrusion die head and bottle blowing machine

Country Status (1)

Country Link
CN (1) CN114103058A (en)

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