CN217073321U

CN217073321U - Blow molding bottle mold

Info

Publication number: CN217073321U
Application number: CN202123246005.7U
Authority: CN
Inventors: 胡周伟; 黄和平
Original assignee: Zhongshan Boyu Precision Mould Manufacturing Co ltd
Current assignee: Zhongshan Boyu Precision Mould Manufacturing Co ltd
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-07-29
Anticipated expiration: 2031-12-22

Abstract

The utility model discloses a blowing bottle mould, first mould shell and second mould shell including the symmetry setting, the die cavity has all been seted up to the inside of first mould shell and second mould shell, first mould shell and second mould shell a complete die cavity of die cavity amalgamation one side of die cavity inner chamber is provided with the shaping lug, relates to blowing mould technical field. This blowing bottle mould, bottle handle department sets up the shaping recess in the die cavity is inside, set up the shaping sand grip bottom the bottle, and set up the strengthening rib groove on the shaping sand grip, the position that is close to the handle on the bottle forms bellied strengthening strip, with the structural strength who improves the handle position, fashioned bottle bottom forms the indent, prevent outside protruding end, avoid leading to the bottle can't stably stand or the bottle end spouts the sign indicating number and is ground off because of protruding end, form the bellied strengthening rib in interval on the bottom of the bottle end inner concave surface, with the intensity that improves the bottom of the bottle, prevent to lead to the bottle end to break because of falling, improve the structural strength of bottle, prevent to lead to the damage to cause the loss because of falling.

Description

Blow molding bottle mold

Technical Field

The utility model relates to a blowing mould technical field, in particular to blowing bottle mould.

Background

Extrusion blow molding is a method for manufacturing hollow thermoplastic articles, and plastics suitable for blow molding include polyethylene, polyvinyl chloride, polypropylene, polyester, and the like, and widely known blow molding objects include bottles, drums, cans, boxes, and all containers for packaging food, beverages, cosmetics, pharmaceuticals, and daily necessities, and a packaging bottle for a general laundry detergent is generally a blow molded bottle.

The existing blow molding bottle is irregular in appearance, local stress is easy to occur when the blow molding bottle falls down, the bottle is damaged, the content is leaked, and the laundry detergent packaging bottle generally has the condition that the bottom corner of the bottle and a handle are broken due to falling to cause leakage.

Therefore, how to improve the blow mold of the blow molded bottle, improve the structural strength of the vulnerable part of the blow molded bottle, and reduce the loss caused by the breakage of the packaging bottle is a technical problem to be solved urgently in the industry.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a blowing bottle mould aims at improving the blowing mould of blowing bottle, improves the structural strength at the fragile position of blowing bottle, reduces the loss because of the packing bottle breaks and causes.

The utility model provides a blow molding bottle mold, including first mould shell and the second mould shell that the symmetry set up, the die cavity has all been seted up to the inside of first mould shell and second mould shell, the die cavity amalgamation of first mould shell and second mould shell becomes a complete shaping chamber, one side of die cavity inner chamber is provided with the shaping lug, two the position of shaping lug is relative, when first mould shell and second mould shell amalgamation, two the tip of shaping lug is contradicted each other and is amalgamated into one and accomplish the shaping post, shaping lug is seted up towards the outward flange of bottle one side and is shaped groove, two form a complete shaping groove when shaping groove amalgamation;

the bottom of the inner cavity of the die cavity is provided with a forming strip protruding upwards, the outer edge of the forming strip is overlapped with the edge of the bottom of the inner wall of the die cavity, the surface of one side, facing the die cavity, of the forming strip is provided with reinforcing rib grooves distributed along the length of the forming strip, and the section of each reinforcing rib groove is wavy.

Preferably, the top ends of the die cavities are semicircular and penetrate through the upper surfaces of the first die shell and the second die shell respectively, and the top ends of the two die cavities are spliced to form a complete circle for forming a bottle mouth.

Preferably, the upper end and the lower end of the inner surface of the first formwork are provided with a plurality of first clamping and embedding convex strips, a first clamping groove is formed between every two adjacent first clamping and embedding convex strips, the two ends and the lower end of the inner surface of the second formwork are provided with second clamping and embedding convex strips matched with the first clamping grooves, and a second clamping groove matched with the first clamping and embedding convex strips is formed between every two adjacent second clamping and embedding convex strips.

Preferably, the mold further comprises a first back plate and a second back plate, the first back plate is detachably connected with the outer surface of the first mold shell, the second back plate is detachably connected with the outer surface of the second mold shell, a plurality of through holes are formed in the surfaces of the first back plate and the second back plate in a penetrating mode, and a plurality of threaded holes matched with the through holes in the first back plate and the second back plate are formed in the outer surfaces of the first mold shell and the second mold shell respectively.

Preferably, the side edges of the first back plate and the second back plate extend outwards to form a mounting plate, and a plurality of mounting holes are arranged on the mounting plate in a penetrating manner.

The utility model discloses, through setting up the shaping recess in the inside bottle handle department of die cavity, set up the shaping sand grip bottom the bottle, and set up the strengthening rib groove on the shaping sand grip, the glue solution flows into in the shaping recess during the blowing, the position that is close to the handle on the bottle forms bellied strengthening rib, in order to improve the structural strength of handle position, under the effect of interior convex shaping strip, fashioned bottle bottom forms the indent, prevent outside protruding end, avoid leading to the bottle can't stably stand or the bottle end spouts the sign indicating number and is ground off because of protruding end, under the effect in the strengthening rib groove on shaping strip, form the bellied strengthening rib in interval on the concave surface bottom the bottle end, in order to improve the intensity of bottle bottom, prevent to lead to the bottle end to break because of falling, improve the structural strength of bottle, prevent to lead to the damage to cause the loss because of falling.

Drawings

Fig. 1 is a schematic view of an embodiment of the present invention;

FIG. 2 is a schematic view of a second mold shell and mold cavity of the present invention;

FIG. 3 is a schematic view of the first mold shell and the mold cavity of the present invention;

fig. 4 is a bottom view of the forming block of the present invention;

FIG. 5 is a front view of the forming block of the present invention;

FIG. 6 is a schematic structural view of a second mold shell according to the present invention;

FIG. 7 is a top cross sectional view of a second formwork of the present invention;

fig. 8 is a front view of the molding strip of the present invention;

fig. 9 is a schematic structural view of the first back plate of the present invention;

fig. 10 is a schematic structural view of a second back plate of the present invention;

FIG. 11 is a schematic view of a back structure of a first mold shell according to the present invention;

FIG. 12 is a schematic view of a second form of the present invention.

In the figure: 1. the first back plate, 2, the second back plate, 3, the first formwork, 4, the second formwork, 5, the die cavity, 6, the forming convex block, 7, the forming groove, 8, the forming strip, 9, the reinforcing rib groove, 10, the first clamping and embedding convex strip, 11, the second clamping and embedding convex strip, 12, the through hole, 13, the threaded hole, 14, the mounting plate, 15 and the mounting hole.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-12, an embodiment of the present invention provides a blow molding bottle mold, including first mould shell 3 and second mould shell 4 that the symmetry set up, die cavity 5 has all been seted up to the inside of first mould shell 3 and second mould shell 4, a complete shaping chamber is pieced into to the die cavity 5 of first mould shell 3 and second mould shell 4, one side of 5 inner chambers of die cavity is provided with forming lug 6, two forming lug 6's position is relative, when first mould shell 3 and second mould shell 4 are pieced together, the tip of two forming lug 6 contradicts each other and splices into one and accomplishes the shaping post, forming lug 6 has seted up shaping recess 7 towards the outward flange of bottle one side, form a complete shaping groove when two shaping recess 7 splice.

The outer edge of the forming groove 7 extends to the end part of the forming lug 6, the inner side and the upper end and the lower end are closed, the outer side edge is not closed, and the two forming grooves 7 are aligned and matched to form a complete forming groove.

During the blow molding processing, when the first mold shell 3 and the second mold shell 4 are closed, the inner mold cavity 5 is spliced into a molding cavity for forming the shape of a packaging bottle, the bottle opening is blown, the molding lug 6 faces the outer edge of one side of the bottle body and is provided with a molding groove 7, glue flows into the molding groove 7 during the blow molding, and a raised reinforcing strip is formed at the position, close to the handle, on the bottle body so as to improve the structural strength of the handle.

The bottom of the inner cavity of the die cavity 5 is provided with a forming strip 8 protruding upwards, the outer edge of the forming strip 8 is superposed with the edge of the bottom of the inner wall of the die cavity 5, the surface of the forming strip 8 facing one side of the die cavity 5 is provided with a reinforcing rib groove 9 distributed along the length of the forming strip 8, and the section of the reinforcing rib groove 9 is wavy.

During blow molding, under the action of the inward convex molding strip 8, the bottom of the molded bottle is concave, so that the outward convex bottom is prevented, and the problem that the bottle cannot stand stably or the code spraying at the bottom of the bottle is abraded due to the convex bottom is avoided.

The highest point of the reinforcing rib groove 9 is flush with the upper surface of the forming strip 8, and the lowest point is downwards inwards concave to the inside of the forming strip 8.

The effect of the strengthening rib groove 9 on the shaping strip 8 forms the bellied strengthening rib in interval on the concave surface in the bottom of the bottle to improve the intensity of bottle bottom, prevent to break because of falling and lead to the bottle end.

The glue squeezing steps are arranged at the positions of the handle and the bottom of the bottle in the mold cavity 5, when the bottle blowing machine is used for mold closing, mold closing is driven, the glue squeezing steps are shallow, the depth is only 0.8mm, the glue is squeezed onto the glue squeezing steps, redundant glue can be forced to flow to the position of a mold body mold closing line, the glue is stacked at the position of the mold closing line of the handle, the wall thickness of a product is thickened, the pressure resistance is enhanced, and the product is effectively prevented from falling and breaking.

Furthermore, the top ends of the die cavities 5 are semicircular and respectively penetrate through the upper surfaces of the first die shell 3 and the second die shell 4, and the top ends of the two die cavities 5 are spliced into a complete circle for forming a bottle mouth.

Further, the upper end and the lower extreme of 3 internal surfaces of first mould shells all are provided with a plurality of first inlay card sand grips 10, form first draw-in groove between per two adjacent first inlay card sand grips 10, and the both ends and the lower extreme of 4 internal surfaces of second mould shells all are provided with the second inlay card sand grip 11 with first draw-in groove looks adaptation, form the second draw-in groove with first inlay card sand grip 10 looks adaptation between per two adjacent second inlay card sand grips 11.

Each second clamping and embedding convex strip 11 at the upper end of the inner surface of the second mould shell 4 is opposite to each first clamping groove at the upper end of the inner surface of the first mould shell 3, and each second clamping and embedding convex strip 11 at the lower end of the inner surface of the second mould shell 4 is opposite to each first clamping groove at the lower end of the inner surface of the first mould shell 3; each first clamping and embedding convex strip 10 at the upper end of the inner surface of the first mould shell 3 is opposite to the second clamping groove position at the upper end of the inner surface of the second mould shell 4, and each first clamping and embedding convex strip 10 at the lower end of the inner surface of the first mould shell 3 is opposite to the second clamping groove position at the lower end of the inner surface of the second mould shell 4.

During the compound die, every first inlay card sand grip 10 inlay card is to the second draw-in groove in, every second inlay card sand grip 11 inlay card is to the first draw-in groove in, and the mutual amalgamation improves the stability that first mould shell 3 and second mould shell 4 are connected, and this kind of unsmooth interlock structure still is favorable to improving fashioned mouth of a river material cooling effect.

Further, still include first backplate 1 and second backplate 2, first backplate 1 can be dismantled with first mould shell 3 surface and be connected, second backplate 2 can be dismantled with the surface of second mould shell 4 and be connected, and the surface of first backplate 1 and second backplate 2 all runs through and is provided with a plurality of through-holes 12, and the surface of first mould shell 3 and second mould shell 4 is provided with a plurality of screw holes 13 with the through-hole 12 looks adaptation on first backplate 1 and the second backplate 2 respectively.

The bolt passes through the through hole 12 on the surface of the first back plate 1 or the second back plate 2, respectively extends into the threaded hole 13 on the outer surface of the first mould shell 3 or the second mould shell 4 and is screwed, the first back plate 1 and the first mould shell 3 are fixedly connected, the second back plate 2 and the second mould shell 4 are fixedly connected, and then the first back plate and the second mould shell are installed on equipment for die closing and blow moulding.

Further, the side edges of the first back plate 1 and the second back plate 2 extend outwards to form a mounting plate 14, and a plurality of mounting holes 15 are arranged on the mounting plate 14 in a penetrating manner.

The first back plate 1 and the second back plate 2 can be arranged at the designated positions on the equipment through the mounting holes 15, and the first back plate 1 and the second back plate 2 are driven to move, so that the first formwork 3 and the second formwork 4 are driven to move and be matched.

When the plastic bottle is in operation, the first back plate 1 and the second back plate 2 can be installed at the appointed positions on the equipment through the installation holes 15, the first back plate 1 and the second back plate 2 are driven to move, the first mould shell 3 and the second mould shell 4 are driven to move and mould, when plastic materials are injected for blow moulding, the inner mould cavity 5 is spliced into a forming cavity forming a shape of a packaging bottle, the blow moulding is carried out through the position of a bottle opening, the plastic liquid flows into the forming groove 7 during the blow moulding, a raised reinforcing strip is formed at the position close to a handle on the bottle body, so as to improve the structural strength of the position of the handle, the plastic materials at the bottom of the bottle body form an inward recess under the action of the inward raised forming strip 8, an outward raised bottom is prevented, the bottle cannot stand stably or the code of the bottle bottom is ground, reinforcing ribs at intervals are formed on the inward recess surface of the bottom of the bottle under the action of the reinforcing rib grooves 9 on the forming strip 8, so as to improve the strength of the bottom of the bottle body and prevent the bottle bottom from cracking due to falling.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structural changes made by the contents of the specification and the drawings, or the direct or indirect application in other related technical fields, are included in the same way in the protection scope of the present invention.

Claims

1. The blow molding bottle mold is characterized by comprising a first mold shell (3) and a second mold shell (4) which are symmetrically arranged, wherein mold cavities (5) are formed in the first mold shell (3) and the second mold shell (4), the mold cavities (5) of the first mold shell (3) and the second mold shell (4) are spliced to form a complete molding cavity, one side of the inner cavity of the mold cavity (5) is provided with a molding lug (6), the two molding lugs (6) are opposite in position, when the first mold shell (3) and the second mold shell (4) are spliced, the end parts of the two molding lugs (6) are mutually abutted and spliced to form a complete molding column, the outer edge of one side, facing the bottle body, of the molding lug (6) is provided with a molding groove (7), and a complete molding groove is formed when the two molding grooves (7) are spliced;

the bottom of the inner cavity of the die cavity (5) is provided with a forming strip (8) protruding upwards, the outer edge of the forming strip (8) is overlapped with the edge of the bottom of the inner wall of the die cavity (5), and a reinforcing rib groove (9) distributed along the length of the forming strip (8) is formed in the surface of one side, facing the die cavity (5), of the forming strip (8).

2. A blow molded bottle mold according to claim 1, wherein the top ends of the mold cavities (5) are semicircular and penetrate to the upper surfaces of the first mold shell (3) and the second mold shell (4), and the top ends of the two mold cavities (5) are spliced into a complete circle forming a bottle mouth.

3. A mold for blow molded bottles according to claim 1, wherein the upper end and the lower end of the inner surface of the first mold shell (3) are provided with a plurality of first snap-fit protruding strips (10), a first clamping groove is formed between every two adjacent first snap-fit protruding strips (10), the two ends and the lower end of the inner surface of the second mold shell (4) are provided with second snap-fit protruding strips (11) matched with the first clamping groove, and a second clamping groove matched with the first snap-fit protruding strips (10) is formed between every two adjacent second snap-fit protruding strips (11).

4. A blow molded bottle mold according to claim 1 further comprising a first back plate (1) and a second back plate (2), wherein the first back plate (1) is detachably connected to the outer surface of the first mold shell (3), the second back plate (2) is detachably connected to the outer surface of the second mold shell (4), a plurality of through holes (12) are formed through the surfaces of the first back plate (1) and the second back plate (2), and a plurality of threaded holes (13) respectively adapted to the through holes (12) of the first back plate (1) and the second back plate (2) are formed through the outer surfaces of the first mold shell (3) and the second mold shell (4).

5. A blow molded bottle mold according to claim 4, wherein the side edges of the first back plate (1) and the second back plate (2) extend outwards to form a mounting plate (14), and a plurality of mounting holes (15) are arranged on the mounting plate (14) in a penetrating way.