CN219838105U - High-speed group cavity PET bottle preform injection mold - Google Patents

Abstract

The utility model belongs to the technical field of injection molds, and particularly relates to a high-speed group cavity PET bottle blank injection mold which comprises a mold main body, a base, a motor, rotating blocks, an upper mold box, processing plates and forming molds, wherein the output end of the motor stretches into the mold main body and is fixedly connected with the rotating blocks, the processing plates are arranged on the outer walls of the rotating blocks at positions close to two sides, a plurality of forming molds are arranged in the two processing plates, hydraulic cylinders are fixedly arranged on the lower end surfaces of the two processing plates, the output ends of the two hydraulic cylinders stretch into the corresponding processing plates and are fixedly connected with long plates, a plurality of ejector plates are fixedly arranged on the two side walls of the long plates, and one ends of the ejector plates are fixedly connected with bottle mouth molds. According to the utility model, after the first forming die is used for blowing, the bottle blank is ejected after being completely cooled and molded, so that the bottle blank is prevented from being damaged when not completely molded, and the production efficiency of the bottle blank is effectively ensured.

Description

High-speed group cavity PET bottle preform injection mold

Technical Field

The utility model belongs to the technical field of injection molds, and particularly relates to a high-speed group cavity PET bottle blank injection mold.

Background

The PET bottle blank is a typical injection molding product, is convenient to transport, is mostly made of plastic materials, has uniform texture and good insulativity, and is an intermediate product of a plastic bottle and an engine oil drum. The PET mold adopts 3D computer drawing design, can match the machine to make various bottle blowing molds, such as: shampoo, medicine bottle, PET easy-to-open can, mineral water bottle, hot filling bottle, etc. During injection molding production, mechanical or hydraulic clamps easily cause deformation and damage of the die due to frequent pressing and pulling operations, the die is difficult to take out, the die is often required to be maintained or even replaced, and a high-speed group cavity PET bottle blank die is required.

The prior high-speed group cavity PET bottle blank mold with the publication number of CN214082548U is characterized in that when a forming mold on a previous round of processing plate is taken out of the mold through an external mechanical arm, a hydraulic telescopic rod drives an injection nozzle to downwardly process a bottle blank on the other processing plate, so that the acceleration rate of the PET bottle blank mold is improved, but after the previous round of blow molding is finished, an upper mold box leaves the forming mold, the pressure on a second spring disappears, the second spring drives the formed bottle blank to move upwards, the cooling time in the process is shorter, and the second spring and a base generate pressure on the bottom end of the formed bottle blank to deform the formed bottle blank, so that the formed bottle blank is damaged.

Therefore, it is necessary to invent a high-speed group cavity PET bottle blank injection mold to solve the above problems.

Disclosure of Invention

In order to solve the problems, the utility model provides the high-speed group cavity PET bottle blank injection mold, after the blow molding is completed, the bottle blank is ejected after being completely cooled and molded, so that the damage to the bottle blank caused by pressure generated when the bottle blank is not completely cooled is avoided, the production efficiency is effectively ensured, and the problems in the background technology are solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high-speed crowd chamber PET bottle base injection mold, includes mould main part, base, motor, turning block, goes up the diaphragm capsule, processing board and forming die, and the motor output stretches into inside the mould main part and fixedly connected with turning block, and the processing board is all installed to the turning block outer wall by both sides position, and two processing inboard is provided with a plurality of forming die, and two processing inboard lower terminal surfaces are all fixed and are provided with hydraulic cylinder, and two hydraulic cylinder output all stretch into corresponding processing inboard and fixedly connected with longboard.

Further, a plurality of ejector plates are fixedly arranged on two side walls of the long plate, and one ends of the ejector plates are fixedly connected with a bottle opening die.

Further, the lower end surfaces of the bottleneck molds are in one-to-one correspondence with the upper end surfaces of the molding molds and just contact with the molding molds.

Further, the outer wall of the rotating block is provided with accommodating grooves near the two sides, limiting rods are fixedly arranged in the two accommodating grooves, and damping springs are sleeved on the outer walls of the two limiting rods near the lower ends.

Further, the connecting blocks are sleeved on the outer walls of the two limiting rods close to the middle, and one ends of the two connecting blocks are in one-to-one correspondence with the two processing plates and are fixedly connected with the two processing plates.

Further, limiting grooves are formed in two side walls inside the two accommodating grooves, and the two connecting blocks are of T-shaped structures and are just matched with the limiting grooves.

Further, the push plates are arranged on the lower end faces of the plurality of forming dies, and the ejection springs are fixedly arranged on the lower end faces of the plurality of push plates.

The utility model has the technical effects and advantages that:

1. according to the utility model, after the first forming die is used for blowing, the bottle blank is ejected after being completely cooled and molded, so that the bottle blank is prevented from being damaged when not completely molded, and the production efficiency of the bottle blank is effectively ensured.

2. The bottle blank mouth can be subjected to blow molding by matching the bottle mouth mold with the molding mold, so that the subsequent molding treatment of the bottle blank mouth is avoided, and the time cost of production is effectively saved.

Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 shows a schematic overall structure of an embodiment of the present utility model;

FIG. 2 is a schematic view showing an internal structure of a base in an embodiment of the present utility model;

FIG. 3 is a schematic diagram showing the internal structure of a moving block in an embodiment of the present utility model;

FIG. 4 shows a schematic view of the construction of a tooling plate in an embodiment of the utility model;

FIG. 5 shows an enlarged view of portion A of FIG. 4 in an embodiment of the utility model;

fig. 6 shows a schematic structural view of a long plate in an embodiment of the present utility model.

In the figure: 1. a mold body; 2. a base; 3. a motor; 4. a rotating block; 5. an upper die box; 6. processing a plate; 7. a forming die; 8. a hydraulic cylinder; 9. a long plate; 10. an ejector plate; 11. a bottle mouth mold; 12. a receiving groove; 13. a limit rod; 14. a damping spring; 15. a connecting block; 16. a limit groove; 17. a push plate; 18. and (5) ejecting a spring.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, in the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the blow molding process, some high-speed group cavity PET bottle blank molds cannot ensure that bottle blanks are completely cooled and molded to be ejected, and the bottle blanks can be possibly damaged.

The utility model provides a high-speed group cavity PET bottle blank injection mold, which is shown in figures 1-6, and comprises a mold main body 1, a base 2, a motor 3, a rotating block 4, an upper mold box 5, a processing plate 6 and a forming mold 7, wherein the output end of the motor 3 stretches into the mold main body 1 and is fixedly connected with the rotating block 4, the motor 3 drives the rotating block 4 to rotate, the processing plates 6 are arranged on the outer wall of the rotating block 4 at two sides, a plurality of forming molds 7 are arranged in the two processing plates 6, the group cavity bottle blanks are formed through the processing plates 6, hydraulic cylinders 8 are fixedly arranged on the lower end surfaces of the two processing plates 6, and the output ends of the two hydraulic cylinders 8 stretch into the corresponding processing plates 6 and are fixedly connected with long plates 9, and the long plates 9 are driven to move up and down through the hydraulic cylinders 8.

The long plate 9 is driven to move by the hydraulic cylinder 8, and after the bottle blank subjected to blow molding is completely cooled and molded, the bottle blank is ejected out, so that high-speed cavity injection molding is performed on the premise of ensuring the blow molding quality of the bottle blank.

As shown in fig. 1-6, a plurality of ejector plates 10 are fixedly arranged on two side walls of the long plate 9, one ends of the ejector plates 10 are fixedly connected with bottle mouth dies 11, the bottle mouth dies 11 are driven to move up and down by the ejector plates 10, the lower end faces of the bottle mouth dies 11 are in one-to-one correspondence with the upper end faces of the forming dies 7 and just contact with the upper end faces of the forming dies, and when special requirements of products on bottle blank mouths, such as threaded bottle mouths or arc bottle mouths, can be formed simultaneously by the bottle mouth dies 11.

As shown in fig. 1-6, the outer wall of the rotating block 4 is provided with accommodating grooves 12 near two side positions, limiting rods 13 are fixedly arranged in the two accommodating grooves 12, stable installation of the limiting rods 13 is realized through the accommodating grooves 12, damping springs 14 are sleeved on the outer walls of the two limiting rods 13 near the lower ends, when the upper die box 5 moves downwards to be matched with the forming die 7, certain pressure is generated on the processing plate 6, the pressure is effectively relieved through the damping springs 14, connecting blocks 15 are sleeved on the outer walls of the two limiting rods 13 near the middle positions, one ends of the two connecting blocks 15 are in one-to-one correspondence and fixedly connected with the two processing plates 6, limiting grooves 16 are formed in the two side walls inside the two accommodating grooves 12, the two connecting blocks 15 are of T-shaped structures and just matched with the limiting grooves 16, movement of the connecting blocks 15 is limited through the limiting grooves 16, and stability of the outer walls of the limiting rods 13 outside the connecting blocks 15 is further ensured.

As shown in fig. 1-6, push plates 17 are mounted on the lower end surfaces of the plurality of forming dies 7, ejection springs 18 are fixedly arranged on the lower end surfaces of the plurality of push plates 17, and after the bottle blank is completely cooled and formed through the ejection springs 18 and the push plates 17, the bottle blank can be quickly separated from the forming dies 7.

The working principle of the utility model is as follows:

referring to the accompanying drawings 1-6 of the specification, when the utility model is used, the motor 3 is started to drive the rotating block 4 to rotate, so as to drive one processing plate 6, one group of forming dies 7 and one group of bottleneck dies 11 to rotate in the die main body 1, after the processing plate rotates below the upper die box 5, a power source connected with the outside of the upper die box 5 is started, the upper die box 5 is driven to move downwards to be matched with the bottleneck dies 11, at the moment, the upper die box 5 generates downward pressure on the bottleneck dies 11, so that the forming dies 7, the push plate 17 and the ejection springs 18 are pressed downwards, and then blow molding treatment is carried out;

after the blowing is finished, the motor 3 is started again to drive the first group of bottle blanks to rotate to an initial position, meanwhile, the other processing plate 6, the other group of forming dies 7 and the bottle mouth die 11 are rotated to the lower part of the upper die box 5 for blowing, after the first group of bottle blanks are completely cooled and formed, the hydraulic cylinder 8 is started to drive the long plate 9 and the ejection plate 10 to move upwards, and then the bottle mouth die 11 is driven to move upwards, at the moment, the pressure of the bottle mouth die 11 to the forming dies 7, the push plate 17 and the ejection spring 18 is eliminated, the ejection spring 18 is reset, and the push plate 17 is driven to move upwards, so that the demolding of the bottle blanks is realized;

after the demolding of the first group of bottle blanks is completed, the hydraulic cylinder 8 is started to drive the bottle mouth mold 11 to reset, and the motor 3 is started to drive the rotating block 4 to rotate and convey the other group of bottle blanks to the initial position, so that the demolding of the other group of bottle blanks can be performed.

According to the utility model, after the first group of forming dies 7 are used for blow molding, the bottle blank is ejected after being completely cooled and formed, so that damage to the ejection of the bottle blank when the bottle blank is not completely formed is avoided, the production efficiency of the bottle blank is effectively ensured, meanwhile, the bottle blank opening can be subjected to blow molding through the bottle opening die 11 matched with the forming dies 7, the subsequent forming treatment of the bottle blank opening is avoided, and the production time cost is effectively saved.

Although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (7)

1. The utility model provides a high-speed crowd chamber PET bottle base injection mold, includes mould main part (1), base (2), motor (3), turning block (4), goes up diaphragm capsule (5), processing board (6) and forming die (7), its characterized in that: the motor (3) output stretches into inside and fixedly connected with rotary block (4) of mould main part (1), rotary block (4) outer wall is all installed processing board (6) by both sides position, two processing board (6) are inside to be provided with a plurality of forming die (7), two the terminal surface is all fixed under processing board (6) is provided with hydraulic cylinder (8), two hydraulic cylinder (8) output all stretches into inside and fixedly connected with longboard (9) of corresponding processing board (6).

2. The high-speed group cavity PET bottle preform injection mold of claim 1, wherein: a plurality of ejector plates (10) are fixedly arranged on two side walls of the long plate (9), and one ends of the ejector plates (10) are fixedly connected with a bottle opening die (11).

3. The high-speed group cavity PET bottle preform injection mold of claim 2, wherein: the lower end surfaces of the bottleneck molds (11) are in one-to-one correspondence with the upper end surfaces of the forming molds (7) and just contact with the forming molds.

4. The high-speed group cavity PET bottle preform injection mold of claim 1, wherein: the outer wall of the rotating block (4) is provided with accommodating grooves (12) close to two sides, limiting rods (13) are fixedly arranged in the accommodating grooves (12), and damping springs (14) are sleeved on the outer walls of the limiting rods (13) close to the lower ends.

5. The high-speed group cavity PET bottle preform injection mold of claim 4, wherein: connecting blocks (15) are sleeved on the outer walls of the limiting rods (13) close to the middle, and one ends of the two connecting blocks (15) are in one-to-one correspondence with and fixedly connected with the two processing plates (6).

6. The high-speed group cavity PET bottle preform injection mold of claim 5, wherein: limiting grooves (16) are formed in two side walls inside the accommodating groove (12), and the two connecting blocks (15) are of T-shaped structures and are just matched with the limiting grooves (16).

7. The high-speed group cavity PET bottle preform injection mold of claim 1, wherein: push plates (17) are arranged on the lower end faces of the forming dies (7), and ejection springs (18) are fixedly arranged on the lower end faces of the push plates (17).