CN221022290U - Mold for container with handle, forming machine with mold and container with handle - Google Patents

Abstract

The utility model relates to the technical field of forming dies, in particular to a die for a container with a handle, which comprises a blank injection die set, a bottle blowing die set and a bottle removing die set, wherein the bottle die set in the bottle blowing die set comprises two half bottle dies and a bottle bottom die, the two half bottle dies are a bottle die A and a bottle die B respectively, the bottom ends of the bottle die A and the bottle die B are arranged on a frame, the bottle bottom die is fixedly arranged on the frame, half bottle die cavities are formed on the two half bottle dies, a left bottle die slide block, a right bottle die slide block and a bottle die slide block driving piece are arranged on the bottle die B, one end of each bottle die slide block is connected with one bottle die slide block driving piece, and one end of each bottle die slide block far away from the bottle die slide block driving piece can be connected with the half bottle die cavity of the bottle die B; two bottle mould sliders keep away from bottle mould slider driving piece one end on all offer cutting edge and handle shaping groove, the tip in handle shaping groove is the open end. The product manufactured by the die has good quality, is not easy to crack, and is safer and more durable in use; and the material cutting at the handle can be completed simultaneously in the forming process.

Description

Mold for container with handle, forming machine with mold and container with handle

Technical Field

The utility model relates to the technical field of forming dies, in particular to a die for a container with a handle, a forming machine with the die and the container with the handle.

Background

At present, a hollow molding container with a handle is molded by adopting an extrusion structure, namely, a tubular bottle blank is extruded at an extrusion station, then high-pressure air is injected into a bottle blowing station in a die closing manner to blow the bottle blank to be molded, and then redundant materials cut out of a bottle mouth and a bottle bottom are scraped. The bottle handle container has the advantages that the structure is simple, the permeability of the bottle handle container is poor, the cut waste is more, raw materials are wasted, the shearing positions of the mouth, the shoulder and the bottom of the bottle are uneven, the appearance is affected, in addition, the handle container obtained by extrusion blowing has a great hidden trouble in function, and is easy to crack, if the handle container filled with liquid falls from the position of normal hand height (about 1M height), cracks can appear at the shoulder or the bottom of the bottle, people can be scalded when the bottle is filled with boiled water, and potential safety hazards and waste are caused.

Disclosure of Invention

The utility model aims at solving the problems and provides a mold for a container with a handle, a forming machine with the mold and a container with the handle, wherein the product manufactured by the mold is good in quality, not easy to crack, safer and more durable in use; the material shearing process at the handle can be completed simultaneously in the forming process, and no redundant materials need to be sheared off at the bottle mouth and the bottle bottom, so that less waste is generated, and manpower and material resources can be saved.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

The mold comprises a blank injection module, a bottle blowing module and a bottle removing module, wherein the blank injection module, the bottle blowing module and the bottle removing module are arranged on a frame of the injection stretch blow hollow molding machine at equal angular intervals; the bottle blowing module comprises a stretching device, a blowing core assembly, a bottle die assembly and a die assembly;

The bottle die assembly comprises two half bottle dies and a bottle bottom die, the two half bottle dies are a bottle die A and a bottle die B respectively, the bottom ends of the bottle die A and the bottle die B are movably arranged on the frame, the bottle bottom die is fixedly arranged on the frame, half bottle die cavities are formed in the two half bottle dies, a left bottle die slider and a right bottle die slider driving piece with the same structure are arranged on the bottle die B, one end of each bottle die slider is connected with one bottle die slider driving piece, and one ends of the two bottle die sliders far away from the bottle die slider driving pieces can be connected with the half bottle die cavities of the bottle die B; two bottle mould sliders keep away from bottle mould slider driving piece one end on all offer cutting edge and the handle shaping groove of adjacent setting, the tip in handle shaping groove is open end to bottle base shaping into bottle and tip and bottle integrated into one piece's handle through bottle mould slider.

In the utility model, further, two through holes which can enable the two bottle mold sliding blocks to reciprocate are respectively arranged on two sides of the bottle mold B, which are positioned in the half bottle mold cavity of the bottle mold B, and the two through holes are communicated with the half bottle mold cavity.

In the utility model, further, the cutting edge of the bottle die slide block is an elliptical groove, and the edge of the elliptical groove is a raised cutting edge; the handle forming grooves of the two bottle mold sliding blocks are long arc grooves, so that the formed handle is in a long and thin circular strip shape; and both ends of the handle forming groove are open ends, so that both ends of the formed handle and the bottle body are integrally formed.

In the utility model, further, the material cutting edge of the bottle die slide block comprises a first strip-shaped groove and a second strip-shaped groove, the handle forming groove is arranged between the first strip-shaped groove and the second strip-shaped groove, one side edge of the handle forming groove is one edge of the first strip-shaped groove, and the other side edge of the handle forming groove is one edge of the second strip-shaped groove; the edges of the first strip-shaped groove and the second strip-shaped groove are raised cutting edges.

In the utility model, further, the two handle forming grooves are chain-like grooves, so that the handle obtained by forming is chain-like; and both ends of the handle forming groove are open ends, so that both ends of the formed handle and the bottle body are integrally formed.

In the utility model, further, the material cutting edge of the bottle die slide block is a strip-like groove, the edge of the strip-like groove is a raised cutting edge, and the edges of the two ends of the strip-like groove are bent into the groove so that handle forming grooves are formed at the two ends of the bottle die slide block, and the handle forming grooves are T-shaped grooves so that the formed handles are T-shaped bosses; one end of each T-shaped groove is an open end, so that the T-shaped boss obtained by molding is integrally molded with the bottle body.

In the utility model, further, each handle forming groove is convexly provided with a cylindrical protruding part, so that the formed handle is a boss with holes; one end of each hole boss is an open end, so that the formed hole boss and the bottle body are integrally formed.

The utility model also provides an injection stretch blow molding machine, which comprises the mold for the container with the handle.

In addition, the utility model also provides a container with a handle, which is formed by adopting the injection stretch blow molding hollow forming machine, and comprises a bottle body and a handle integrally formed with the bottle body, wherein the handle is a hollow handle or a solid handle.

By adopting the technical scheme, the utility model has the following beneficial effects:

The bottle blowing module comprises two half bottle dies, a bottle bottom die, a bottle die slide block and a bottle die slide block driving piece, wherein a bottle die cavity is formed in the bottle die, low-pressure air is injected into an air inlet formed in the blow core assembly to blow a bottle blank to a half-expansion state, the bottle blank blown to the half-expansion state can be separated into a bottle body forming part and a handle forming part through the bottle die slide block, the bottle die slide block is clamped in place under the action of the bottle die slide block driving piece after the low-pressure air is blown, redundant materials at the handle of a container with the handle can be cut off at the same time when the bottle die is clamped in place, and then the low-pressure air is switched into high-pressure air to blow and form the product, so that a formed product is obtained. The material shearing process at the handle can be completed simultaneously in the forming process, and no redundant materials need to be sheared off at the bottle mouth and the bottle bottom, so that less waste is generated, manpower and material resources can be saved, and the formed product is attractive.

Drawings

FIG. 1 is a schematic diagram of a one-step injection stretch blow molding machine according to the present utility model;

FIG. 2 is a cross-sectional view of a bottle blowing module in a one-step injection stretch blow molding machine according to the present utility model;

FIG. 3 is a cross-sectional view of the clamp assembly and bottle die assembly of the present utility model;

FIG. 4 is a schematic view of the structure of a bottle die B (with the bottle die slide open) in the bottle die assembly of the present utility model;

FIG. 5 is a front view of a bottle die B in the bottle die assembly of the present utility model in a half-expanded condition of the bottle blank;

FIG. 6 is a schematic view of the structure of a bottle die B (with the bottle die slide closed) in the bottle die assembly of the present utility model

FIG. 7 is a front view of a bottle die B in the bottle die assembly of the bottle blank of the present utility model in a bottle blowing state;

FIG. 8 is a top cross-sectional view of a bottle die B (with the bottle die slide open) in the bottle die assembly of the present utility model;

FIG. 9 is a top cross-sectional view of a bottle die B (bottle die slide closed) in the bottle die assembly of the present utility model;

FIG. 10 is a schematic view showing the structure of a bottle die slide in the bottle die assembly of embodiment 1 of the present utility model;

FIG. 11 is a schematic view showing the structure of a bottle die slide in a bottle die assembly according to embodiment 2 of the present utility model;

FIG. 12 is a schematic view showing the structure of a bottle die slide in the bottle die assembly of embodiment 3 of the present utility model;

FIG. 13 is a schematic view showing the structure of a container with handle obtained by molding a bottle mold slide according to example 1 of the present utility model;

FIG. 14 is a schematic view showing the structure of a container with handle obtained by molding a bottle die slide according to example 2 of the present utility model;

FIG. 15 is a schematic view showing the structure of a container with a handle obtained by molding a bottle die slide according to example 3 of the present utility model.

In the drawing, 100, a rack; 200. a blank injection module; 300. a bottle blowing module; 400. a bottle removing module; 500. an injection device; 1. a bottle die A; 2. a bottle die B; 3. a half-bottle mold cavity; 4. a bottle mold slide block; 41. cutting a material cutting edge; 411. a first bar-shaped groove; 412. a second bar-shaped groove; 42. a handle forming groove; 43. a blade; 44. a cylindrical boss; 5. a bottle die slide block driving member; 6. a bottle bottom die; 7. a through port; 8. a bottle body; 9. a handle; 10. a movable template; 11. a stretching cylinder; 12. stretching a cylinder fixing plate; 13. stretching a plate; 14. a stretching rod fixing plate; 15. a stretching rod limit seat; 16. a stretching rod; 17. bottle blanks; 18. blowing a core backing plate; 19. blowing a core; 20. a blow core pressing plate; 21. blowing a core pressure receiving plate; 22. closing the template; 23. a mold closing oil cylinder; 24. a die closing cylinder base; 25. a die assembly; 26. a guide rail plate; 27. bottle mold feet; 28. and (5) a bottle bottom die holder.

Detailed Description

The technical solutions in 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.

Example 1

As shown in fig. 1, the one-step injection stretch blow molding machine provided in this embodiment includes a frame 100, an injection device 500 and a mold for a container with a handle are provided on the frame 100, the mold for a container with a handle includes a blank injection module 200, a bottle blowing module 300 and a bottle removing module 400, the blank injection module 200, the bottle blowing module 300 and the bottle removing module 400 are disposed at equal angular intervals on a rotating plate and a table panel on the frame 100, and the rotating plate can be driven by a rotating motor to perform intermittent reciprocating rotation of 120 °. In this embodiment, the structure of the injection stretch blow molding machine is the same as that of the conventional injection stretch blow molding machine except for the structure of the bottle blowing module 300. The bottle blowing module 300 comprises a stretching device, a blowing core assembly, a bottle die assembly and a die assembly, and other structures except the bottle die assembly in the bottle blowing module 300 can be existing structures.

Specifically, as shown in fig. 2 and 3, in this embodiment, the stretching device in the bottle blowing module is fixedly arranged on the top of a movable mold plate (also called a rotary disk seat) 10 on a frame of the hollow molding machine, the core blowing component is fixedly arranged on the bottom of the movable mold plate 10, a stretching rod 16 in the stretching device penetrates through the core blowing component and stretches into a bottle blank 17 in the bottle mold component to blow the bottle blank 17, the bottle mold component is fixedly arranged on a workbench panel on the frame 100 and is positioned under the core blowing component, and the mold clamping components are arranged on two sides of the bottle mold component to mold the bottle mold component.

The stretching device comprises a stretching cylinder 11, a stretching cylinder fixing plate 12, a stretching plate 13, a stretching rod fixing plate 14, a stretching rod limiting seat 15 and a stretching rod 16; the stretching cylinder 11 is fixed on the stretching cylinder fixing plate 12, the stretching plate 13 is fixedly connected with a piston rod of the stretching cylinder 11, the stretching rod fixing plate 14 is fixedly arranged at the bottom of the stretching plate 13, one end of the stretching rod 16 is fixed on the stretching rod fixing plate 14, the stretching rod limiting seat 15 is fixedly arranged on the movable mould plate 10 on the frame 100 and used for limiting the stretching rod 16, the other end of the stretching rod 16 can penetrate through the blowing core assembly and stretch into a bottle blank 17 positioned in the blowing bottle mould assembly, and the stretching rod 16 stretches the bottle blank 17 in place under the action of the stretching cylinder 11. By means of this stretching device, the preform 17 is stretched and positioned well.

The blow core assembly comprises a blow core backing plate 18, a blow core 19, a blow core pressing plate 20 and a blow core receiving plate 21, wherein the blow core backing plate 18 is fixedly arranged at the bottom of the movable mould plate 10 on the frame 100, one end of the blow core 19 is fixedly arranged at the bottom of the blow core backing plate 18, and when the movable mould plate 10 moves downwards, the other end of the blow core 19 can be inserted into the mould assembly 25 and is communicated with a bottle blank 17 fixed at the bottom of the mould assembly 25; the core blowing pressing plate 20 and the core blowing pressure receiving plate 21 are sequentially and fixedly arranged at the bottom of the core blowing base plate 18, and through holes which are convenient for the core blowing 19 to pass through are formed in the core blowing pressing plate 20 and the core blowing pressure receiving plate 21; an air inlet is formed in one side of the blow core pressing plate 20, and the air inlet is communicated with the hollow part of the blow core 19.

The mold assembly comprises two half mold assembly components with the same structure, each half mold assembly component comprises a mold assembly plate 22, a mold assembly oil cylinder 23 and a mold assembly oil cylinder base 24, the mold assembly oil cylinder 23 is fixedly arranged on a workbench panel on the machine frame 100 through the mold assembly oil cylinder base 24, one side of each mold assembly plate 22 is connected with a piston rod of the mold assembly oil cylinder 23, and the other side of each mold assembly plate 22 is connected with one half bottle mold so as to mold the two half bottle molds through the two mold assembly plates 22.

Referring to fig. 2 to 9, the bottle module comprises two half bottle molds, namely a bottle mold A1 and a bottle mold B2, and a bottle bottom mold 6, wherein the bottom ends of the bottle mold A1 and the bottle mold B2 are slidably disposed on a guide rail plate 26 on the frame 100 through bottle mold legs 27, and the bottle bottom mold 6 is fixedly disposed on the guide rail plate 26 through a bottle bottom mold seat 28. The bottle mould is characterized in that the two half bottle moulds are provided with half bottle mould cavities 3, the bottle mould B2 is provided with a left bottle mould slide block 4 and a right bottle mould slide block 4 which have the same structure, one end of each bottle mould slide block 4 is connected with a bottle mould slide block driving piece 5 positioned on the bottle mould B2, one end of each bottle mould slide block 4, which is far away from the bottle mould slide block driving piece 5, can be opened or closed in the half bottle mould cavities 3 of the bottle mould B2, and the bottle mould slide block driving piece 5 adopts a bottle mould slide block oil cylinder. Two sides of the bottle die B2, which are positioned in the half bottle die cavity 3 of the bottle die B2, are also respectively provided with a through hole 7 which can lead the two bottle die sliding blocks 4 to reciprocate, and the two through holes 7 are communicated with the half bottle die cavity 3.

Two bottle mould sliders 4 are provided with a cutting edge 41 and a handle forming groove 42 which are adjacently arranged at one end far away from the bottle mould slider driving piece 5, and by the arrangement of the cutting edge 41, the two bottle mould sliders 4 can simultaneously cut off redundant materials at the handle when the two bottle mould sliders 4 are clamped in place under the action of the bottle mould slider driving piece 5 to obtain the handle of the container with the handle. The end of the handle forming groove 42 is an open end, so that the bottle blank is formed into a bottle body and a handle with the end and the bottle body integrally formed through the bottle die slide block 4. Wherein the upper surface of the bottle bottom mould 6 is arc-shaped.

In this embodiment, as shown in fig. 10, the cutting edge 41 of the bottle die slide 4 is an oval groove, and the edge of the oval groove is a raised cutting edge 43; the handle forming grooves 42 of the two bottle mold sliding blocks 4 are long arc grooves, so that the formed handle is long and circular; and both ends of the handle forming groove are open ends, so that both ends of the formed handle and the bottle body are integrally formed.

The bottle module assembly of this embodiment is used to form a handled container as shown in fig. 11, which includes a bottle mouth, a bottle body 8, and a handle 9 integrally formed with the bottle body 8, and when the bottle module slider 4 is used to form the container, the handle 9 is a hollow handle.

Example 2

In this embodiment, the structure of the bottle die block 4 is the same as that of embodiment 1 except that it is different from that of embodiment 1.

In this embodiment, as shown in fig. 12, the cutting edge 41 of the bottle die slider 4 includes a first strip-shaped groove 411 and a second strip-shaped groove 412, and the handle forming groove 42 is disposed between the first strip-shaped groove 411 and the second strip-shaped groove 412. And one side edge of the handle forming groove 42 is an edge of the first strip-shaped groove 411, and the other side edge is an edge of the second strip-shaped groove 412. The edges of the first strip-shaped groove 411 and the second strip-shaped groove 412 are raised blades 43; the handle forming groove 42 is a chain-like groove, so that the handle obtained by forming is chain-like; and both ends of the handle molding groove 42 are open ends, so that both ends of the molded handle are integrally molded with the bottle body.

The bottle module assembly of this embodiment is used to form a handled container, as shown in fig. 13, comprising a bottle mouth, a bottle body 8 and a handle 9 integrally formed with the bottle body 8, the handle 9 being a solid handle when the bottle module slider 4 is used.

Example 3

In this embodiment, the structure of the bottle die block 4 is the same as that of embodiment 1 except that it is different from that of embodiment 1.

In this embodiment, as shown in fig. 14, the cutting edge 41 of the bottle die slide 4 is a strip-like groove, the edge of the strip-like groove is a raised cutting edge 43, and the edges of both ends of the strip-like groove are bent into the groove, so that the two ends of the bottle die slide 4 are formed with handle forming grooves 42, and each handle forming groove 42 is provided with a cylindrical raised part 44 in a protruding manner, so that the formed handle is a boss with a hole; one end of each hole boss is an open end, so that the formed hole boss and the bottle body are integrally formed.

The bottle module assembly of this embodiment is used to form a handled container as shown in fig. 15.

In operation, the mold is lifted to a proper position after injection at the injection station (the injection mold group 100) to obtain a bottle blank, rotates the bottle blank to a bottle blowing station, drives the movable mold plate 10 to move down to a proper position through the mold locking cylinder on the frame 100, molds the two half bottle molds to a proper position through the mold locking cylinder 23, stretches the bottle blank 17 in a proper position under the action of the stretching cylinder 11 by the stretching rod 16, and blows the bottle blank 17 to a half-expansion state by injecting low-pressure air, and the bottle mold sliding block 4 is in an open state at the moment, as shown in fig. 4 and 5. After the low-pressure air is blown, the bottle die slide 4 is clamped in place under the action of the bottle die slide cylinder (when the bottle die slide 4 is clamped in place, redundant materials at the handle of a container are cut off at the same time), then the low-pressure air is switched into high-pressure air to blow and form a product, as shown in fig. 6 and 7, the product is blown and formed, the die clamping cylinder 23 is opened, the bottle die slide 4 is also opened, the movable die plate 10 ascends, the blowing core is separated from the formed product, the mouth die rotates to a bottle removing station (bottle removing die set 400) with the product, the bottle removing station pushes the wedge plate away from the half plate by the stripping cylinder, and the product is removed to the conveyor belt, so that all actions of a period are completed.

The machine motion is three-station reciprocating rotation: the cycle of injection, stretching and bottle blowing, demolding, injection, stretching and bottle blowing and demolding is repeated.

The foregoing description is directed to the details and illustrations of the preferred embodiments of the utility model, but these descriptions are not intended to limit the scope of the utility model claimed, and all equivalent changes or modifications that may be accomplished under the teachings of the utility model should be construed to fall within the scope of the utility model as defined by the appended claims.

Claims (10)

1. The mold for the container with the handle is applied to an injection stretch blow molding machine and comprises a blank injection mold set, a bottle blowing mold set and a bottle removing mold set which are arranged on a frame of the injection stretch blow molding machine at equal angular intervals, wherein the bottle blowing mold set comprises a stretching device, a blow core assembly, a bottle mold assembly and a mold closing assembly,

The bottle die assembly comprises two half bottle dies and a bottle bottom die, the two half bottle dies are a bottle die A and a bottle die B respectively, the bottom ends of the bottle die A and the bottle die B are movably arranged on the frame, the bottle bottom die is fixedly arranged on the frame, half bottle die cavities are formed in the two half bottle dies, a left bottle die slider and a right bottle die slider driving piece with the same structure are arranged on the bottle die B, one end of each bottle die slider is connected with one bottle die slider driving piece, and one ends of the two bottle die sliders far away from the bottle die slider driving pieces can be connected with the half bottle die cavities of the bottle die B; two bottle mould sliders keep away from bottle mould slider driving piece one end on all offer cutting edge and the handle shaping groove of adjacent setting, the tip in handle shaping groove is open end to bottle base shaping into bottle and tip and bottle integrated into one piece's handle through bottle mould slider.

2. The mold for container with handle according to claim 1, wherein two through openings capable of making two bottle mold sliding blocks reciprocate are respectively arranged on two sides of the bottle mold B in the half bottle mold cavity of the bottle mold B, and the two through openings are communicated with the half bottle mold cavity.

3. The mold for a container with a handle according to claim 1, wherein the cutting edge of the bottle die slide block is an elliptical groove, and the edge of the elliptical groove is a raised cutting edge; the handle forming grooves of the two bottle mold sliding blocks are long arc grooves, so that the formed handle is in a long and thin circular strip shape; and both ends of the handle forming groove are open ends, so that both ends of the formed handle and the bottle body are integrally formed.

4. The mold for a container with a handle according to claim 1, wherein the cutting edge of the bottle mold slide block comprises a first bar-shaped groove and a second bar-shaped groove, the handle molding groove is arranged between the first bar-shaped groove and the second bar-shaped groove, one side edge of the handle molding groove is one edge of the first bar-shaped groove, and the other side edge of the handle molding groove is one edge of the second bar-shaped groove; the edges of the first strip-shaped groove and the second strip-shaped groove are raised cutting edges.

5. The mold for a container with a handle according to claim 4, wherein both of said handle molding grooves are chain-like grooves so that the handle obtained by the molding has a chain-like shape; and both ends of the handle forming groove are open ends, so that both ends of the formed handle and the bottle body are integrally formed.

6. The mold for a container with a handle according to claim 1, wherein the cutting edge of the bottle mold slide block is a strip-like groove, the edge of the strip-like groove is a raised cutting edge, both end edges of the strip-like groove are bent into the groove, so that both ends of the bottle mold slide block are formed with handle forming grooves, the handle forming grooves are T-shaped grooves, and the formed handles are T-shaped bosses; one end of each T-shaped groove is an open end, so that the T-shaped boss obtained by molding is integrally molded with the bottle body.

7. The mold for a container with a handle according to claim 6, wherein each of said handle molding grooves is provided with a cylindrical boss protruding upward so that the molded handle is a boss with a hole; one end of each hole boss is an open end, so that the formed hole boss and the bottle body are integrally formed.

8. An injection stretch blow molding machine comprising the mold for a container with a handle according to any one of claims 1 to 7.

9. A container with a handle, characterized in that the container is molded by the injection stretch blow molding machine according to claim 8.

10. The handled receptacle of claim 9, wherein the handled receptacle includes a bottle and a handle integrally formed with the bottle, the handle being either a hollow handle or a solid handle.