CN118124128A - Bottle embryo supporting structure and method for PET bottle embryo blow molding heating device - Google Patents
Bottle embryo supporting structure and method for PET bottle embryo blow molding heating device Download PDFInfo
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- CN118124128A CN118124128A CN202410558487.9A CN202410558487A CN118124128A CN 118124128 A CN118124128 A CN 118124128A CN 202410558487 A CN202410558487 A CN 202410558487A CN 118124128 A CN118124128 A CN 118124128A
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- bottle embryo
- rod
- blow molding
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- 210000001161 mammalian embryo Anatomy 0.000 title claims abstract description 73
- 238000000071 blow moulding Methods 0.000 title claims abstract description 30
- 238000010438 heat treatment Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000012937 correction Methods 0.000 claims abstract description 21
- 230000001681 protective effect Effects 0.000 claims abstract description 20
- 230000007306 turnover Effects 0.000 claims description 7
- 230000006870 function Effects 0.000 abstract description 5
- 238000012545 processing Methods 0.000 abstract description 3
- 238000005457 optimization Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 238000007664 blowing Methods 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 4
- -1 polyethylene Polymers 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 210000002257 embryonic structure Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011265 semifinished product Substances 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
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/4205—Handling means, e.g. transfer, loading or discharging means
- B29C49/42073—Grippers
-
- 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
- B29C49/64—Heating or cooling preforms, parisons or blown articles
-
- 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)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The invention discloses a bottle embryo supporting structure and a method for a PET bottle embryo blow molding heating device, and relates to the field of blow molding processing, wherein the bottle embryo supporting structure comprises a protective cylinder, a correction component is arranged in an inner cavity of the protective cylinder, and the correction component is used for correcting a placed PET bottle embryo; the bottle embryo supporting structure for the PET bottle embryo blow molding heating device and the method thereof are characterized in that a slotted hole corresponding to the output ends of the first telescopic piece and the second telescopic piece is formed in the upper end of an inner cavity of a protective cylinder, the output ends of the first telescopic piece and the second telescopic piece are attached to the inner wall of the slotted hole, the first telescopic piece and the second telescopic piece are all equipment with telescopic functions such as electric telescopic rods and are connected with an external control device, when the whole protective cylinder is required to incline to a certain end, the end parts of the first telescopic piece and the second telescopic piece in the direction are downwards moved to be separated from the inner wall of the protective cylinder, and further, the blockage is avoided during correction operation, and the normal operation of the correction operation is ensured.
Description
Technical Field
The invention relates to a blow molding processing technology, in particular to a bottle embryo supporting structure and method for a PET bottle embryo blow molding heating device.
Background
In the blow molding process of the PET bottle embryo, the PET bottle embryo needs to be transferred into a mold, a heating module is arranged in the mold, the PET bottle embryo is maintained in a high-temperature state, a blow molding pipe is inserted into the PET bottle embryo, and after the PET bottle embryo is blow molded into a bottle which is suitable for the shape of the mold, the bottle can be directly removed from the mold and transferred into a next device for cooling treatment.
The plastic bottle is mainly made of polyethylene or polypropylene and various organic solvents, the plastic bottle is widely made of polyester, polyethylene and polypropylene, after the corresponding organic solvents are added, the plastic bottle is heated at high temperature, and is subjected to blow molding, extrusion blowing or injection molding by a plastic mold, or a plastic container formed by injection molding, wherein the bottle blank is formed by filling the raw materials into a gun mold of the mold at a specific temperature and pressure, is formed under the working condition of the injection molding machine, is a semi-finished product of an intermediate after injection molding, and is then formed into a terminal product by blow molding.
In the heating and blowing processes of the existing PET bottle blanks, the bottle blanks are reversely buckled on the conveying equipment during processing, are preprocessed by the cooperation of the preheating equipment and finally enter the inside of a die for blowing, wherein the bottle blanks are different from the set angle in the reversely buckled angle before the preheating process, so that the bottle blanks possibly deform unevenly in the preheating process, partial areas deform too much or too little to influence the quality of final products, and the bottle blank supporting structure and the method for the PET bottle blank blowing and heating device are developed.
Disclosure of Invention
The invention aims to provide a bottle embryo supporting structure and a method for a PET bottle embryo blow molding heating device, which are used for solving the defects in the prior art.
In order to achieve the above object, the present invention provides the following technical solutions: the bottle embryo supporting structure for the PET bottle embryo blow molding heating device comprises a protective cylinder, wherein an inner cavity of the protective cylinder is provided with a correction component, and the correction component corrects the placed PET bottle embryo;
The correcting assembly comprises a base, a fixed rod is arranged at the upper end of the base, a rotating block is arranged on the outer surface of the fixed rod, a driving block which is rotationally connected with the outer surface of the fixed rod is arranged at the upper end of the rotating block, a first movable block is symmetrically arranged on the outer surface of the driving block, a second movable block is rotationally arranged at the end part of the first movable block, a first adjusting rod is rotationally arranged at one end of the second movable block, a turnover block is rotationally arranged at the upper end of the first adjusting rod, a fixed block is arranged at the upper end of the fixed rod, the outer surface of the fixed block is rotationally connected with one end of the turnover block, and a first telescopic piece is arranged at the end part of the turnover block and used for adjusting the angle of the upper end of the protective cylinder;
A second adjusting rod is rotatably arranged on the outer surface of the driving block and positioned between the two first movable blocks, a power block is rotatably arranged at the upper end of the second adjusting rod, one end of the power block is rotatably connected with the fixed block, a rotating block is arranged at one end of the power block, one end of the rotating block penetrates through and extends to the inside of the fixed block, and a second telescopic piece is connected at one end of the rotating block;
And the positioning assembly is assembled at the upper end of the protective cylinder and used for fixing the end part of the PET bottle blank.
As a further optimization scheme of the invention, a limiting rod is rotatably arranged at one end of the power block, which is far away from the second adjusting rod, and meanwhile, one end of the limiting rod, which is far away from the power block, is rotatably connected with the outer surface of the fixed block.
As a further optimization scheme of the invention, the cross sections of the first telescopic piece and the second telescopic piece are axisymmetrically distributed and uniformly distributed around the fixed block.
As a further optimization scheme of the invention, the positioning assembly comprises a bottom plate connected with the protective cylinder, a positioning rod is arranged at the end part of the bottom plate, and a guide rod is arranged at the upper end of the positioning rod.
As a further optimization scheme of the invention, the outer surface of the positioning rod is slidably provided with a circular ring, the outer surface of the circular ring is rotatably provided with a plurality of groups of first movable rods, and simultaneously, the plurality of groups of first movable rods are uniformly distributed on the outer surface of the circular ring.
As a further optimization scheme of the invention, a second movable rod is rotatably arranged at one end of the first movable rod, which is far away from the circular ring, and one end of the second movable rod, which is far away from the first movable rod, is rotatably connected with the outer surface of the positioning rod.
As a further optimization scheme of the invention, a first push rod is rotatably arranged at the middle position of the second movable rod, and an arc-shaped block is arranged at the upper end of the first push rod.
As a further optimization scheme of the invention, one end of the arc-shaped block is rotatably provided with a second push rod, and one end of the second push rod far away from the arc-shaped block is rotatably connected with the upper end of the positioning rod.
As a further optimization scheme of the invention, the upper end of the bottom plate is provided with a plurality of groups of extension blocks, the plurality of groups of extension blocks are uniformly distributed at the upper end of the bottom plate, and the extension blocks are staggered between every two first movable rods;
the upper end of extension piece is provided with the backup pad, simultaneously the backup pad encircles the setting and is in the surface of arc piece.
A bottle embryo supporting method for a PET bottle embryo blow molding heating device comprises the following steps:
s1, firstly, placing a bottle embryo on a positioning assembly, and transferring the bottle embryo into preheating equipment for preheating;
s2, limiting the outer surface of the end part of the bottle blank through a positioning assembly when the bottle blank integrally moves;
s3, after the bottle embryo is heated, adjusting the heated bottle embryo by matching with the correction assembly;
S4, transferring the adjusted bottle embryo into a mold, and performing blow molding operation.
Compared with the prior art, the bottle blank supporting structure and the method for the PET bottle blank blow molding heating device provided by the invention have the advantages that the slotted holes corresponding to the output ends of the first telescopic piece and the second telescopic piece are formed in the upper end of the inner cavity of the protective cylinder, meanwhile, the output ends of the first telescopic piece and the second telescopic piece are attached to the inner wall of the slotted holes, the first telescopic piece and the second telescopic piece are all equipment with telescopic functions such as an electric telescopic rod and are connected with an external control device, when the whole protective cylinder needs to incline to a certain end, the end parts of the first telescopic piece and the second telescopic piece in other directions are downwards moved and separated from the inner wall of the protective cylinder, so that the blockage is avoided during the correction operation, and the normal operation of the correction operation is ensured.
When the first push rod moves, the arc-shaped block arranged at the upper end of the first push rod is driven to synchronously move, and meanwhile, the joint of the arc-shaped block and the first push rod is rotationally connected with the upper end of the positioning rod through the second push rod, so that the arc-shaped block is ensured to be integrally stable when being contacted with a bottle blank; when the bottle embryo is placed on the guide bar, the port of the bottle embryo is limited through the support plate, so that the bottle embryo is fixed through the arc-shaped block, meanwhile, a certain space is reserved between the arc-shaped block and the inner wall of the support plate, and then the position and the clamping mode of the clamp can be quickly adjusted to adapt to bottle embryos of different shapes and sizes, and meanwhile, the clamping force is moderately ensured according to the characteristics of the bottle embryo, so that the bottle embryo can be stably clamped, and the surface of the bottle embryo cannot be damaged.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a first schematic view of an overall structure according to an embodiment of the present invention;
FIG. 2 is a second schematic diagram of an overall structure according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of the overall internal structure provided in an embodiment of the present invention;
FIG. 4 is a first schematic view of a corrective component structure according to an embodiment of the present invention;
FIG. 5 is a second schematic view of a corrective component structure according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of an internal structure of a corrective component according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of the overall structure of a positioning assembly according to an embodiment of the present invention;
FIG. 8 is a schematic diagram of an internal structure of a positioning assembly according to an embodiment of the present invention;
Fig. 9 is an overall flowchart provided in an embodiment of the present invention.
Reference numerals illustrate:
1. A protective cylinder; 2. a corrective component; 3. a positioning assembly; 21. a base; 211. a fixed rod; 212. a fixed block; 22. a rotating block; 23. a driving block; 24. a first movable block; 25. a second movable block; 26. a first adjusting lever; 27. a turnover block; 271. a first telescopic member; 28. a second adjusting lever; 29. a power block; 291. a limit rod; 292. a transfer block; 293. a second telescopic member; 31. a bottom plate; 32. a positioning rod; 321. a guide rod; 33. a circular ring; 34. a first movable lever; 35. a second movable rod; 36. a first push rod; 37. a second push rod; 38. an arc-shaped block; 39. extending the block; 391. and a support plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc., are directions or positional relationships based on the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention; the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Embodiment one:
Referring to fig. 1-8, a bottle blank supporting structure for a blow molding and heating device for PET bottle blanks comprises a protective cylinder 1, wherein an inner cavity of the protective cylinder 1 is provided with a correction component 2, and the correction component 2 corrects the placed PET bottle blanks;
In this scheme, the protection section of thick bamboo 1 is used for protecting correction subassembly 2 wholly, and then avoids because external factor influences correction subassembly 2 normal operating, reserves certain space between the inner wall of protection section of thick bamboo 1 and the correction subassembly 2 simultaneously.
Further, the correction assembly 2 includes a base 21, a fixing rod 211 is disposed at an upper end of the base 21, a rotating block 22 is disposed on an outer surface of the fixing rod 211, a driving block 23 rotationally connected to an outer surface of the fixing rod 211 is disposed at an upper end of the rotating block 22, a first movable block 24 is symmetrically disposed on an outer surface of the driving block 23, a second movable block 25 is rotatably mounted at an end of the first movable block 24, a first adjusting rod 26 is rotatably mounted at one end of the second movable block 25, a turning block 27 is rotatably mounted at an upper end of the first adjusting rod 26, a fixing block 212 is disposed at an upper end of the fixing rod 211, an outer surface of the fixing block 212 is rotationally connected to one end of the turning block 27, a first telescopic member 271 is disposed at an end of the turning block 27, and an angle of an upper end of the protection cylinder 1 is adjusted by the first telescopic member 271.
In this embodiment, the inner cavity of the rotating block 22 is provided with a device with power output, such as a motor, and is connected with an external control device, meanwhile, the output end of the motor is meshed with a ring gear, wherein the upper end of the ring gear is connected with the lower end of the driving block 23, so that the driving block 23 is synchronously driven to rotate when the motor is started.
When the driving block 23 rotates, the first movable block 24 rotatably mounted on the outer surface of the driving block is driven to rotate, and meanwhile one side of the second movable block 25 is rotatably connected with the outer surface of the fixed rod 211, so that when the first movable block 24 rotates along with the driving block 23, the second movable block 25 is pulled to rotate around the connection part with the fixed block 212, and then the first adjusting rod 26 rotatably mounted on the other end of the second movable block 25 moves upwards or downwards, and drives the turning block 27 to rotate on the fixed block 212, and meanwhile drives the first telescopic piece 271 mounted on the turning block 27 to perform angle adjustment.
The control device can select a single-chip microcomputer as a control end, and in the embodiment, the single-chip microcomputer is a typical embedded microcontroller (Micro controller Unit) and is composed of an arithmetic unit, a controller, a memory, input and output equipment and the like, and is equivalent to a microcomputer. It emphasizes self-provisioning (without external hardware) and cost savings over general-purpose microprocessors used in personal computers. Its advantages are small size, easy installation, less storage, simple input and output interface and low consumption of functions.
Further, a second adjusting rod 28 is rotatably mounted on the outer surface of the driving block 23 and between the two first movable blocks 24, a power block 29 is rotatably mounted on the upper end of the second adjusting rod 28, one end of the power block 29 is rotatably connected with the fixed block 212, a rotating block 292 is disposed at one end of the power block 29, one end of the rotating block 292 penetrates through and extends to the inside of the fixed block 212, and a second telescopic member 293 is connected to one end of the rotating block 292.
The power block 29 is provided with a limit rod 291 in a rotating manner at the end far away from the second adjusting rod 28, and meanwhile, the end far away from the power block 29 of the limit rod 291 is connected with the outer surface of the fixed block 212 in a rotating manner.
The cross sections of the first telescopic member 271 and the second telescopic member 293 are axisymmetrically distributed and uniformly distributed around the fixed block 212.
Specifically, when the driving block 23 rotates, the second adjusting rod 28 disposed on the outer surface thereof is synchronously driven to move, and as the other end of the second adjusting rod 28 is rotationally connected with the power block 29, the second adjusting rod 28 drives the power block 29 to rotate around the connection with the fixed block 212 during movement, and the rotation angle of the power block 29 is limited by the limit rod 291 at the other end of the power block 29.
The transfer block 292 is composed of two bevel gears, and the extension lines of the axes of the two bevel gears are in a vertical state, when the power block 29 drives the transfer block 292 to rotate, the second telescopic piece 293 arranged at the end part of the transfer block 292 is synchronously driven to rotate, and the upper end of the second telescopic piece 293 is attached to the upper end of the inner cavity of the protection cylinder 1.
The upper end of the inner cavity of the protection cylinder 1 is provided with a slotted hole corresponding to the output ends of the first telescopic piece 271 and the second telescopic piece 293, and meanwhile, the output ends of the first telescopic piece 271 and the second telescopic piece 293 are attached to the inner wall of the slotted hole, wherein the first telescopic piece 271 and the second telescopic piece 293 are equipment with telescopic functions such as electric telescopic rods and are connected with an external control device, when the whole protection cylinder 1 needs to incline to a certain end, the end parts of the first telescopic piece 271 and the second telescopic piece 293 in other directions are downwards moved to be separated from the inner wall of the protection cylinder 1, so that the blockage is avoided during the correction operation, and the normal operation of the correction operation is ensured.
Further, a positioning assembly 3 is assembled at the upper end of the protective cylinder 1, and is used for fixing the end of the PET bottle embryo.
The positioning assembly 3 comprises a bottom plate 31 connected with the protective cylinder 1, a positioning rod 32 is arranged at the end part of the bottom plate 31, and a guide rod 321 is arranged at the upper end of the positioning rod 32.
The outer surface of the positioning rod 32 is slidably provided with a circular ring 33, a plurality of groups of first movable rods 34 are rotatably arranged on the outer surface of the circular ring 33, and simultaneously, a plurality of groups of first movable rods 34 are uniformly distributed on the outer surface of the circular ring 33.
In this scheme, the inner chamber of protective cylinder 1 is provided with equipment such as electric telescopic handle that have flexible function to be connected with external control device, when electric telescopic handle starts, can promote ring 33 and reciprocate on locating lever 32, and then be applicable to different scenes.
Meanwhile, the guide rod 321 is higher than the arc-shaped blocks 38, so that the bottle embryo can be initially positioned through the guide rod 321 before being fixed at the end part of the bottle embryo, and the bottle embryo is fixed through a plurality of groups of arc-shaped blocks 38 after being initially positioned, so that the bottle embryo is kept stable in subsequent operation.
Further, a second movable rod 35 is rotatably mounted at an end of the first movable rod 34 away from the ring 33, and an end of the second movable rod 35 away from the first movable rod 34 is rotatably connected with the outer surface of the positioning rod 32.
The middle position of the second movable rod 35 is rotatably provided with a first push rod 36, meanwhile, the upper end of the first push rod 36 is provided with an arc block 38, one end of the arc block 38 is rotatably provided with a second push rod 37, and one end of the second push rod 37 away from the arc block 38 is rotatably connected with the upper end of the positioning rod 32.
Specifically, when the ring 33 moves upward, the first movable rod 34 rotatably mounted on the outer surface of the ring 33 is synchronously driven to move, and because the end part of the first movable rod 34 is rotatably connected with the outer surface of the positioning rod 32 through the second movable rod 35, when the ring 33 moves upward, the connection part of the first movable rod 34 and the second movable rod 35 moves downward, and meanwhile, the first push rod 36 rotatably mounted in the middle position of the second movable rod 35 is driven to move outward, wherein a hole is formed in one side of the first movable rod 34, so that after the ring 33 moves to the highest position, the inner wall of the hole is attached to the outer surface of the first push rod 36, and interference between the first movable rod 34 and the first push rod 36 during rotation is avoided.
When the first push rod 36 moves, the arc-shaped block 38 arranged at the upper end of the first push rod 36 is driven to synchronously move, and meanwhile, the joint of the arc-shaped block 38 and the first push rod 36 is rotationally connected with the upper end of the positioning rod 32 through the second push rod 37, so that the arc-shaped block 38 is ensured to be integrally stable when in contact with a bottle embryo.
Further, a plurality of groups of extension blocks 39 are arranged at the upper end of the bottom plate 31, and the plurality of groups of extension blocks 39 are uniformly distributed at the upper end of the bottom plate 31, and the extension blocks 39 are staggered between every two first movable rods 34;
The upper end of the extension block 39 is provided with a support plate 391, and the support plate 391 is circumferentially disposed on the outer surface of the arc block 38.
Specifically, one side of the extension piece 39 is connected with the outer surface of the positioning rod 32 for improving overall stability, and the upper end of the extension piece 39 is provided with a support plate 391, the cross section of the support plate 391 is circular, when the bottle embryo is placed on the guide rod 321, the port of the bottle embryo is limited by the support plate 391, thereby the bottle embryo is fixed by the arc-shaped piece 38, and meanwhile, a certain space is reserved between the arc-shaped piece 38 and the inner wall of the support plate 391.
Embodiment two:
Referring to fig. 9, a preform supporting method for a PET preform blow molding heating device includes the following steps:
S1, firstly, placing a bottle embryo on a positioning assembly 3, and transferring the bottle embryo into preheating equipment for preheating;
S2, limiting the outer surface of the end part of the bottle blank through the positioning assembly 3 when the bottle blank integrally moves;
s3, after the bottle embryo is heated, adjusting the heated bottle embryo by matching with the correction assembly 2;
S4, transferring the adjusted bottle embryo into a mold, and performing blow molding operation.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the invention, which is defined by the appended claims.
Claims (10)
1. The bottle embryo supporting structure for the PET bottle embryo blow molding heating device is characterized by comprising a protection cylinder (1), wherein a correction component (2) is arranged in an inner cavity of the protection cylinder (1), and the correction component (2) is used for correcting the placed PET bottle embryo;
The correcting assembly (2) comprises a base (21), a fixed rod (211) is arranged at the upper end of the base (21), a rotating block (22) is arranged on the outer surface of the fixed rod (211), a driving block (23) which is rotationally connected with the outer surface of the fixed rod (211) is arranged at the upper end of the rotating block (22), a first movable block (24) is symmetrically arranged on the outer surface of the driving block (23), a second movable block (25) is rotationally arranged at the end part of the first movable block (24), a first adjusting rod (26) is rotationally arranged at one end of the second movable block (25), a turnover block (27) is rotationally arranged at the upper end of the first adjusting rod (26), a fixed block (212) is arranged at the upper end of the fixed rod (211), the outer surface of the fixed block (212) is rotationally connected with one end of the turnover block (27), and a first telescopic piece (271) is arranged at the end part of the turnover block (27), and the upper end of the protection cylinder (1) is adjusted through the first telescopic piece (271).
A second adjusting rod (28) is rotatably arranged on the outer surface of the driving block (23) and between the two first movable blocks (24), a power block (29) is rotatably arranged at the upper end of the second adjusting rod (28), one end of the power block (29) is rotatably connected with the fixed block (212), a switching block (292) is arranged at one end of the power block (29), one end of the switching block (292) penetrates through and extends to the inside of the fixed block (212), and a second telescopic piece (293) is connected at one end of the switching block (292);
and the positioning assembly (3) is assembled at the upper end of the protective cylinder (1) and used for fixing the end part of the PET bottle blank.
2. The bottle embryo supporting structure for the PET bottle embryo blow molding heating device according to claim 1, wherein a limit rod (291) is rotatably installed at one end of the power block (29) far away from the second adjusting rod (28), and one end of the limit rod (291) far away from the power block (29) is rotatably connected with the outer surface of the fixed block (212).
3. The preform supporting structure for a PET preform blow molding heating device according to claim 1, wherein the cross sections of the first expansion member (271) and the second expansion member (293) are axisymmetrically distributed and uniformly distributed around the fixing block (212).
4. The bottle embryo supporting structure for the PET bottle embryo blow molding and heating device according to claim 1, wherein the positioning assembly (3) comprises a bottom plate (31) connected with the protection cylinder (1), a positioning rod (32) is arranged at the end part of the bottom plate (31), and a guide rod (321) is arranged at the upper end of the positioning rod (32).
5. The bottle embryo supporting structure for the PET bottle embryo blow molding and heating device according to claim 4, wherein the outer surface of the positioning rod (32) is slidably provided with a circular ring (33), a plurality of groups of first movable rods (34) are rotatably arranged on the outer surface of the circular ring (33), and simultaneously, a plurality of groups of first movable rods (34) are uniformly distributed on the outer surface of the circular ring (33).
6. The bottle embryo supporting structure for the PET bottle embryo blow molding and heating device according to claim 5, wherein a second movable rod (35) is rotatably installed at one end of the first movable rod (34) far away from the circular ring (33), and one end of the second movable rod (35) far away from the first movable rod (34) is rotatably connected with the outer surface of the positioning rod (32).
7. The bottle embryo supporting structure for the PET bottle embryo blow molding and heating device as set forth in claim 6, wherein a first push rod (36) is rotatably installed at the middle position of the second movable rod (35), and an arc-shaped block (38) is arranged at the upper end of the first push rod (36).
8. The bottle embryo supporting structure for the PET bottle embryo blow molding and heating device according to claim 7, wherein a second push rod (37) is rotatably arranged at one end of the arc-shaped block (38), and one end of the second push rod (37) far away from the arc-shaped block (38) is rotatably connected with the upper end of the positioning rod (32).
9. The bottle embryo supporting structure for the PET bottle embryo blow molding and heating device according to claim 8, wherein a plurality of groups of extension blocks (39) are arranged at the upper end of the bottom plate (31), the plurality of groups of extension blocks (39) are uniformly distributed at the upper end of the bottom plate (31), and meanwhile, the extension blocks (39) are staggered between every two first movable rods (34);
the upper end of the extension block (39) is provided with a supporting plate (391), and the supporting plate (391) is circumferentially arranged on the outer surface of the arc-shaped block (38).
10. The bottle embryo supporting method for the PET bottle embryo blow molding heating device is characterized by comprising the following steps of:
S1, firstly, placing a bottle embryo on a positioning assembly (3), and transferring the bottle embryo into preheating equipment for preheating;
s2, limiting the outer surface of the end part of the bottle blank through a positioning assembly (3) when the bottle blank integrally moves;
S3, after the bottle embryo is heated, adjusting the heated bottle embryo by matching with the correction assembly (2);
S4, transferring the adjusted bottle embryo into a mold, and performing blow molding operation.
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| CN202410558487.9A CN118124128B (en) | 2024-05-08 | 2024-05-08 | Bottle embryo bearing structure for PET bottle embryo blowing heating device |
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| CN118124128B (en) | 2024-07-19 |
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