CN221212706U

CN221212706U - Injection molding and blowing integrated conversion joint

Info

Publication number: CN221212706U
Application number: CN202323203833.1U
Authority: CN
Inventors: 王笃雄; 瞿元亮
Original assignee: Jiangsu Qingmu Machinery Co ltd
Current assignee: Jiangsu Qingmu Machinery Co ltd
Priority date: 2023-11-27
Filing date: 2023-11-27
Publication date: 2024-06-25
Anticipated expiration: 2033-11-27

Abstract

The utility model discloses an injection molding and blowing integrated conversion joint, which belongs to the technical field of injection molding joints and comprises a fixed plate and a mounting block for mounting the injection molding and blowing integrated conversion joint on a blow molding machine, wherein the mounting block penetrates through the fixed plate and is fixedly connected with the fixed plate.

Description

Injection molding and blowing integrated conversion joint

Technical Field

The utility model relates to the technical field of blow molding connectors, in particular to an injection molding and blowing integrated conversion connector.

Background

Blow molding, also known as hollow blow molding, is a rapidly developing plastic processing method by inflating a softened thermoplastic parison against a cooling surface of a closed mold, solidifying the inflated parison to form a hollow plastic product, and injection stretch blow molding, commonly known as stretch blow molding, is one of the blow molding processes commonly used for producing and processing plastic bottles.

When the plastic bottle is produced by using the processing method of injection extension blow molding hollow molding, hot melt raw materials are required to be injected into a bottle blank mold through an injection joint, and then high-pressure gas is required to be injected into the bottle blank through a blowing joint so as to be attached to a bottle body grinding tool.

Disclosure of utility model

The utility model aims to provide an injection molding and blowing integrated conversion connector, which can realize the functional integration of injection molding and blowing connectors, reduce the processing time and improve the working efficiency and the blowing quality.

To achieve the purpose, the utility model adopts the following technical scheme:

The utility model provides an injection molding, integrative conversion joint blows, including being used for installing the fixed plate and the installation piece of this device on the blowing machine, the installation piece passes the fixed plate and with fixed plate fixed connection, a serial communication port, still including blowing notes section of thick bamboo, the gas-supply pipe, the conveying pipeline, a pair of centre gripping mould, first mould, a pair of second mould, a elevating system for driving to blow notes pipe reciprocates and be used for driving the mobile mechanism who adds holding mould relative movement, blow notes pipe and pass the installation piece and rather than sliding connection, blow notes pipe top and seted up a pair of circular slot, one of them circular slot bottom runs through and blows notes pipe, the circular slot has been seted up to blow notes intraduct, the circular slot communicates with another circular slot bottom, a plurality of round holes have been seted up to the ring channel inner wall, conveying pipeline bottom communicates with the circular slot that runs through, the gas-supply pipe communicates with another circular slot, the centre gripping mould is located the fixed plate bottom, the recess that matches with installation piece bottom shape has all been seted up to two relative one end, when first mould top and centre gripping mould bottom laminating, blow notes pipe bottom and extend to in a pair of centre gripping mould, first mould inside and extend to the circular slot, first mould and second top intercommunication when running through to the centre gripping mould bottom and second mould bottom.

Further, elevating system includes a pair of Z shaped plate, a pair of hydraulic stem and fixed cover, Z shaped plate one end bottom and fixed plate top fixed connection, Z shaped plate other end bottom and hydraulic stem top fixed connection, and two inside telescopic link bottoms of hydraulic stem pass fixed cover both ends respectively and rather than fixed connection, fixed cover inner wall and blow notes pipe top lateral wall fixed connection.

Further, the moving mechanism comprises a pair of connecting rods, a pair of thread blocks, a bidirectional threaded rod, a pair of bearing seats and a motor, one end of each connecting rod is fixedly connected with the clamping die, the other end of each connecting rod is fixedly connected with each thread block, the bidirectional threaded rod penetrates through the two thread blocks and is in threaded connection with the two thread blocks, the thread directions of the two thread blocks are opposite, two ends of the bidirectional threaded rod are respectively and rotatably connected with the two bearing seats, the top of each bearing seat is fixedly connected with the bottom of the fixing plate, one end of each motor is fixedly connected with one of the bearing seats, and an output shaft of each motor penetrates through the corresponding bearing seat and is coaxially connected with one end of each bidirectional threaded rod.

Further, the moving mechanism further comprises a pair of sliding blocks, the sliding blocks are of T-shaped structures, the bottoms of the sliding blocks are fixedly connected with the tops of the clamping molds, a pair of T-shaped grooves are formed in the bottoms of the fixing plates, and the T-shaped grooves are in sliding connection with the sliding blocks.

Further, the plastic bottle blank is sleeved at the bottom of the blowing and injecting pipe, the inner wall of the clamping die is provided with a semicircular clamping groove, and the semicircular clamping groove is matched with the annular bulge on the side wall of the plastic bottle blank in a clamping manner.

Further, when the first mold is positioned at the bottom of the clamping mold, the bottom of the injection tube is positioned at a position inside the first mold close to the bottom wall.

Further, the mold further comprises a pair of protruding blocks, the bottom of each protruding block is fixedly connected with the top of the second mold, and the protruding blocks are matched with the bottom of the clamping mold in shape.

The utility model has the beneficial effects that: according to the utility model, when the plastic bottle is produced by using the blow molding, the blowing and injecting pipe is driven to ascend through the lifting mechanism, the blowing and injecting pipe slides to the round hole in the installation block and is immersed into the installation block, at the moment, the through round groove is communicated with the inside of the first mold, the material is injected into the first mold through the conveying pipe and the through round groove, so that a plastic bottle blank in a first form is obtained, the first mold is removed, the second mold is moved to the bottom of the clamping mold, the blowing and injecting pipe is driven to descend through the lifting mechanism to stretch the plastic bottle blank, the round hole on the blowing and injecting pipe slides out of the installation block, at the moment, the round hole is communicated with the inside of the plastic bottle blank, and then high-pressure air is injected into the plastic bottle blank through the other round groove, the annular groove and the plurality of round holes, so that the plastic bottle blank in a second form can be obtained, the injection and the blowing and the stretching can be realized through one joint, the working efficiency and the blow molding quality are improved.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present utility model, the drawings that are required to be used in the embodiments of the present utility model will be briefly described below. It is evident that the drawings described below are only some embodiments of the present utility model and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the whole structure of the present utility model;

FIG. 3 is an enlarged view of the structure at A in FIG. 1;

FIG. 4 is a cross-sectional view of a blow-fill tube according to the present utility model;

FIG. 5 is a schematic diagram of the overall structure of the present utility model;

FIG. 6 is a schematic diagram of the overall structure of the present utility model;

FIG. 7 is a split view of the overall structure of the present utility model;

FIG. 8 is a cross-sectional view of a plastic bottle preform according to the present utility model.

In the figure: 1. a fixing plate; 2. a mounting block; 3. blowing and injecting a pipe; 4. a gas pipe; 5. a material conveying pipe; 6. clamping the die; 7. a first mold; 8. a second mold; 9. a lifting mechanism; 10. a moving mechanism; 11. a circular groove; 12. an annular groove; 13. a round hole; 14. a Z-shaped plate; 15. a hydraulic rod; 16. a fixed sleeve; 17. a connecting rod; 18. a screw block; 19. a two-way threaded rod; 20. a bearing seat; 21. a motor; 22. a slide block; 23. a T-shaped groove; 24. a plastic bottle blank; 25. a semicircular clamping groove; 26. and a bump.

Detailed Description

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to be limiting of the present patent; for the purpose of better illustrating embodiments of the utility model, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Referring to an injection molding and blowing integrated conversion joint shown in fig. 1-8, including being used for installing the device on the blowing machine fixed plate 1 and installation piece 2, installation piece 2 passes fixed plate 1 and with fixed plate 1 fixed connection, a serial communication port, still including blowing a filling section of thick bamboo, the gas-supply pipe 4, conveying pipeline 5, a pair of centre gripping mould 6, first mould 7, a pair of second mould 8, be used for driving the elevating system 9 that blows filling pipe 3 reciprocate and be used for driving the mobile mechanism 10 that holds mould relative movement, blow filling pipe 3 pass installation piece 2 and rather than sliding connection, blow filling pipe 3 top and seted up a pair of circular slot 11, one of them circular slot 11 bottom runs through blowing filling pipe 3, blow filling pipe 3 inside has seted up ring channel 12, ring channel 12 and another circular slot 11 bottom intercommunication, a plurality of round holes 13 have been seted up to ring channel 12 inner wall, conveying pipeline 5 bottom and the circular slot 11 intercommunication that runs through, 4 and another circular slot 11 intercommunication, centre gripping mould 6 is located fixed plate 1 bottom, two relative one end of centre gripping mould 6 have all seted up shape and installation piece 2 bottom and 7 and first mould 7 are stretched into the same with the first mould 7 when the first mould 7 is passed through to the top and the inside of mould 7, it is stretched into the mould 7 when the first mould is stretched into the top to the mould 7, the top is connected to the top of mould is stretched into the mould to the top, the top is connected with the mould 7: the material is injected into the first mould 7 through the material conveying pipe 5 and the penetrating circular groove 11, so that a plastic bottle blank 24 in a first form is obtained, when the top of the second mould 8 is attached to the bottom of the clamping mould 6, the bottom of the injection blowing pipe 3 penetrates through the pair of clamping moulds 6 and extends between the two second moulds 8, the inside of the second mould 8 is communicated with the circular hole 13, and the main purpose of the injection blowing pipe is that: the plastic bottle blank 24 is stretched by downward movement of the blow-injection pipe 3, and then high-pressure air is injected into the plastic bottle blank 24 through the air pipe 4, the other circular groove 11, the annular groove 12 and the circular holes 13, so that the plastic bottle blank 24 is expanded from the first shape to the second shape.

Among the above-mentioned elevating system 9 for driving blow notes pipe 3 reciprocates, elevating system 9 includes a pair of Z shaped plate 14, a pair of hydraulic rod 15 and fixed cover 16, Z shaped plate 14 one end bottom and fixed plate 1 top fixed connection, Z shaped plate 14 other end bottom and hydraulic rod 15 top fixed connection, the inside telescopic link bottom of two hydraulic rods 15 passes fixed cover 16 both ends respectively and rather than fixed connection, fixed cover 16 inner wall and blow notes pipe 3 top lateral wall fixed connection, make two hydraulic rods 15 work simultaneously, its inside telescopic link just can drive blow notes pipe 3 through fixed cover 16 and reciprocate.

In the above-mentioned moving mechanism 10 for driving the holding mold to move relatively, the moving mechanism 10 includes a pair of connecting rods 17, a pair of threaded blocks 18, a pair of bidirectional threaded rods 19, a pair of bearing blocks 20 and a motor 21, one end of each connecting rod 17 is fixedly connected with the clamping mold 6, the other end of each connecting rod 17 is fixedly connected with the threaded blocks 18, the bidirectional threaded rods 19 pass through the two threaded blocks 18 and are in threaded connection with the two threaded blocks, the threaded directions of the two threaded blocks 18 are opposite, two ends of each bidirectional threaded rod 19 are respectively and rotatably connected with the two bearing blocks 20, the top of each bearing block 20 is fixedly connected with the bottom of the fixing plate 1, one end of the motor 21 is fixedly connected with one of the bearing blocks 20, an output shaft of the motor 21 passes through the bearing blocks 20 and is coaxially connected with one end of each bidirectional threaded rod 19, so that the motor 21 is electrified to work, the output shaft inside of the motor can drive the bidirectional threaded rods 19 to rotate, the two threaded blocks 18 are close to or far away from each other through threaded transmission between the bidirectional threaded rods 19 and the threaded blocks 18, and the connecting rods 17 drive the clamping mold 6 to move, thereby closing and opening the mold.

In order to make the holding die 6 more stable when moving, the moving mechanism 10 further comprises a pair of sliding blocks 22, the sliding blocks 22 are of T-shaped structures, the bottoms of the sliding blocks 22 are fixedly connected with the tops of the holding die 6, a pair of T-shaped grooves 23 are formed in the bottoms of the fixing plates 1, the T-shaped grooves 23 are in sliding connection with the sliding blocks 22, when the holding die 6 moves, the sliding blocks 22 move in the T-shaped grooves 23 along with the holding die 6, the sliding blocks 22 are limited through the T-shaped grooves 23, and therefore stable movement of the holding die 6 is guaranteed.

Considering when changing the mould, need prevent that plastic bottle embryo 24 from droing, still include plastic bottle embryo 24, plastic bottle embryo 24 cover is located and is blown and annotates 3 bottoms, and semicircular draw-in groove 25 has been seted up to centre gripping mould 6 inner wall, and semicircular draw-in groove 25 cooperates with the annular protruding joint of plastic bottle embryo 24 lateral wall, in the blowing in-process, and centre gripping mould 6 remains the state of laminating each other all the time, and semicircular draw-in groove 25 between its inner wall and the annular protruding joint on the plastic bottle embryo 24 to prevent that plastic bottle embryo 24 from droing.

In order to prevent excessive bubbles from being generated during the process of injecting the material, when the first mold 7 is positioned at the bottom of the clamping mold 6, the bottom of the injection blowing pipe 3 is positioned at a position close to the bottom wall inside the first mold 7, and the material firstly directly enters the bottom of the first mold 7 through the through circular groove 11 and then is covered upwards during the process of covering the inside of the first mold 7, so that the excessive air is discharged simultaneously during the process of covering the inside of the first mold 7.

In addition, considering that the second mold 8 needs to be prevented from shifting during the moving process, the mold further comprises a pair of protruding blocks 26, the bottom of the protruding blocks 26 is fixedly connected with the top of the second mold 8, the protruding blocks 26 are matched with the bottom of the clamping mold 6 in shape, the second mold 8 drives the protruding blocks 26 to move together during moving, and when the protruding blocks 26 are attached to the bottom of the clamping mold 6, the second mold 8 reaches a proper position.

It should be understood that the above description is only illustrative of the preferred embodiments of the present utility model and the technical principles employed. It will be apparent to those skilled in the art that various modifications, equivalents, variations, and the like can be made to the present utility model. Such variations are intended to be within the scope of the utility model without departing from the spirit thereof. In addition, some terms used in the description and claims of the present utility model are not limiting, but are merely for convenience of description.

Claims

1. The utility model provides an injection molding, integrative conversion joint blows, including being used for installing this device fixed plate (1) and installation piece (2) on the blowing machine, installation piece (2) pass fixed plate (1) and with fixed plate (1) fixed connection, a serial communication port, still including blow notes pipe (3), gas-supply pipe (4), conveying pipeline (5), a pair of centre gripping mould (6), first mould (7), a pair of second mould (8), be used for driving elevating system (9) that blow notes pipe (3) reciprocate and be used for driving the mobile mechanism (10) that hold mould relative movement, blow notes pipe (3) pass installation piece (2) and with its sliding connection, a pair of circular slot (11) have been seted up at blow notes pipe (3) top, one of them circular slot (11) bottom runs through blow notes pipe (3), a plurality of round holes (13) have been seted up to blow notes pipe (3) inside, circular slot (12) are linked together with another circular slot (11) bottom, a plurality of round slots (13) have been seted up to the inner wall of ring slot (12), conveying pipeline (5) bottom and circular slot (11) are linked together with another circular slot (4) and are located fixed plate (1) bottom (6), grooves matched with the bottom shape of the mounting block (2) are formed at the opposite ends of the two clamping dies (6);

When the top of the first die (7) is attached to the bottom of the clamping die (6), the bottom of the injection blowing pipe (3) penetrates through the pair of clamping dies (6) and extends into the first die (7), and the inside of the first die (7) is communicated with the penetrating round groove (11);

When the tops of the second molds (8) are attached to the bottoms of the clamping molds (6), the bottoms of the blowing and injecting pipes (3) penetrate through the pair of clamping molds (6) and extend between the two second molds (8), and the inside of the second molds (8) is communicated with the round holes (13).

2. The injection molding and blowing integrated conversion connector according to claim 1, wherein the lifting mechanism (9) comprises a pair of Z-shaped plates (14), a pair of hydraulic rods (15) and a fixing sleeve (16), one end bottom of each Z-shaped plate (14) is fixedly connected with the top of the corresponding fixing plate (1), the other end bottom of each Z-shaped plate (14) is fixedly connected with the top of each hydraulic rod (15), the bottoms of telescopic rods inside the two hydraulic rods (15) respectively penetrate through two ends of the corresponding fixing sleeve (16) and are fixedly connected with the two ends of the corresponding fixing sleeve, and the inner wall of the corresponding fixing sleeve (16) is fixedly connected with the side wall of the top of the blowing and injecting pipe (3).

3. The injection molding and blowing integrated conversion joint according to claim 1, wherein the moving mechanism (10) comprises a pair of connecting rods (17), a pair of threaded blocks (18), a bidirectional threaded rod (19), a pair of bearing blocks (20) and a motor (21), one end of each connecting rod (17) is fixedly connected with the clamping mold (6), the other end of each connecting rod (17) is fixedly connected with each threaded block (18), each bidirectional threaded rod (19) penetrates through the two threaded blocks (18) and is in threaded connection with the threaded block, the threaded directions of the two threaded blocks (18) are opposite, two ends of each bidirectional threaded rod (19) are respectively connected with the two bearing blocks (20) in a rotating mode, the top of each bearing block (20) is fixedly connected with the bottom of the fixed plate (1), one end of each motor (21) is fixedly connected with one bearing block (20), and an output shaft of each motor (21) penetrates through each bearing block (20) and is coaxially connected with one end of each bidirectional threaded rod (19).

4. An injection molding and blowing integrated conversion joint according to claim 3, wherein the moving mechanism (10) further comprises a pair of sliding blocks (22), the sliding blocks (22) are of a T-shaped structure, the bottoms of the sliding blocks are fixedly connected with the top of the clamping mold (6), a pair of T-shaped grooves (23) are formed in the bottoms of the fixing plates (1), and the T-shaped grooves (23) are in sliding connection with the sliding blocks (22).

5. The injection molding and blowing integrated conversion connector according to claim 1, further comprising a plastic bottle blank (24), wherein the plastic bottle blank (24) is sleeved at the bottom of the blowing pipe (3), a semicircular clamping groove (25) is formed in the inner wall of the clamping mold (6), and the semicircular clamping groove (25) is in clamping fit with the annular protrusion on the side wall of the plastic bottle blank (24).

6. An injection and blow integrated conversion adapter according to claim 5, characterized in that the bottom of the blow tube (3) is located inside the first mould (7) near the bottom wall when the first mould (7) is located at the bottom of the holding mould (6).

7. An injection and blowing integrated conversion adapter according to claim 1, further comprising a pair of bumps (26), wherein the bottom of the bumps (26) is fixedly connected to the top of the second mold (8), and the bumps (26) are matched with the bottom of the holding mold (6).