CN218286672U

CN218286672U - Bottle blowing mold for blow molding of PET plastic bottle

Info

Publication number: CN218286672U
Application number: CN202222248074.XU
Authority: CN
Inventors: 张伟; 杨魁; 叶强
Original assignee: Henan Baiyihui Packaging Products Co ltd
Current assignee: Henan Baiyihui Packaging Products Co ltd
Priority date: 2022-08-25
Filing date: 2022-08-25
Publication date: 2023-01-13
Anticipated expiration: 2032-08-25

Abstract

The utility model discloses a PET plastic bottle blowing is with bottle blowing mould relates to blowing technical field. The utility model discloses a two fixed shells, two half mold cores and sealing washer, two half mold cores evenly set up inside two fixed shells, and two half mold cavities have all been seted up at the adjacent one side middle part of half mold core, and two half mold cores and two half mold cavity combinations form the bottle blowing mould, and two fixed shell bottom inner walls all have linked firmly two fixed blocks about its vertical central line symmetry, and two half mold core bottom middle parts have all seted up two fixed slots about its vertical central line symmetry, and fixed block activity joint is inside the fixed slot. The utility model discloses a fixed block and fixed slot cooperation are used half mould core to be fixed in inside the fixed shell, utilize the fixed mode of pegging graft to replace the bolt fastening to make this PET bottle blowing is with bottle blowing mould, changing different moulds, when producing the plastic bottle of different shapes, need not dismantle the bolt, increase change efficiency.

Description

Bottle blowing mold for blow molding of PET plastic bottle

Technical Field

The utility model belongs to the technical field of the blowing, especially, relate to a PET plastic bottle blowing is with bottle blowing mould.

Background

PET plastic bottles are widely used not only for packaging carbonated beverages, drinking water, fruit juice, enzymes, tea beverages, and the like, which are the most widely used beverage packages at present, but also in a variety of fields such as food, chemical industry, pharmaceutical packaging, and the like. PET plastics have wide application in the field of packaging, and PET plastics are used for packaging films and coiled materials. The PET plastic bottle is made up by using injection moulding method, firstly making the plastic into a parison with bottom, then transferring the parison into blow-moulding mould while it is hot, and blow-moulding so as to obtain the invented product. The injection-blow hollow container is mainly a small bottle body with a single external shape, and can be consumed by using various resins such as polyvinyl chloride, polyethylene, polypropylene, polystyrene, polyester, polyamide and the like. Examples of the plastic materials mainly used for packaging of medicines, foods, cosmetics, etc. for blow molding include polyethylene, polyvinyl chloride, polypropylene, polystyrene, linear polyester, polycarbonate, polyamide, cellulose acetate, polyacetal resin, etc.:

a majority of half-cavity bottle blowing molds of the prior Chinese patent publication No. CN 215095549U: the die comprises a first mechanism and a second mechanism, wherein the first mechanism comprises a first mounting frame, a first clamping groove, a first half die core, a first half die cavity, a first mounting through hole, a second mounting through hole and a first positioning bolt, the first clamping groove is formed in the first mounting frame, the first half die core is clamped in the first clamping groove, the first half die cavity is formed in one side of the first half die core, the first mounting through hole is formed in the first mounting frame, the second mounting through hole is formed in the first half die core, and the first positioning bolt is arranged in the first mounting through hole and the second mounting through hole;

it is through being provided with first mechanism and second mechanism, first half mold core joint is in the inside of first mounting bracket, and fix a position through first positioning bolt, first positioning bolt joint is in the inside of second mounting bracket, and fix a position through second positioning bolt, choose detachable mode for use to first half mold core and second half mold core, first half mold core and the half mold core of second that can be through changing different models, just also can change different moulds, can produce the plastic bottle of different shapes, but still need the dismantlement bolt at the in-process of changing half mold core, lead to change efficiency lower.

Therefore, the existing bottle blowing mold for blow molding of PET plastic bottles cannot meet the requirements in practical use, so that an improved technology is urgently needed in the market to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a PET plastic bottle is bottle blowing mould for blowing uses half module core to be fixed in fixed shell through fixed block and fixed slot cooperation inside, utilizes the fixed mode of pegging graft to replace the bolt fastening to make this PET plastic bottle is bottle blowing mould for blowing, changing different moulds, when producing the plastic bottle of different shapes, need not dismantle the bolt, increase change efficiency.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a PET plastic bottle blowing mould for blowing, including two fixed shells, two half mold cores and sealing washer, two half mold cores evenly set up inside two fixed shells, and half mold cavity, two have all been seted up at two adjacent one side middle parts of half mold core and two half mold cavity combination form bottle blowing mould, two fixed shell bottom inner wall has all linked firmly two fixed blocks, two about its vertical central line symmetry half mold core bottom middle part has all seted up two fixed slots about its vertical central line symmetry, fixed block activity joint is inside the fixed slot, uses half mold core to be fixed in fixed shell inside through fixed block and fixed slot cooperation, utilizes the fixed mode of pegging graft to replace the bolt fastening for this PET plastic bottle blowing mould for blowing is changing different moulds, when producing the plastic bottle of different shapes, does not need dismantle the bolt, increases and changes efficiency.

Further, one fixed casing both sides middle part evenly is provided with four joint poles, and another fixed casing both sides middle part evenly is provided with four joint pieces, fixes through the position of fixed casing butt joint pole, fixes through the position of fixed casing butt joint piece, uses the stability when increasing the compound die of bottle blowing mould through joint pole and joint piece cooperation, but joint pole and joint piece are the consumptive part, through setting up joint piece and joint piece on fixed casing for when changing joint pole and joint piece, need not dismantle the mold core.

Furthermore, four joint grooves are formed in the middle of one side of each joint block, the clamping connecting rods are movably clamped inside the joint blocks through the joint grooves, and the joint grooves are convenient for the joint blocks and the joint rods to complete the joint.

Further, two fixed shell top has all seted up two spouts about its vertical central line symmetry, four the inside even slip of spout has four sliders, and the spout is convenient for the slider to slide along the spout is inside.

And furthermore, the top ends of the four sliding blocks are uniformly and fixedly connected with two limiting plates, the sliding blocks and the sliding grooves are matched to drive the limiting plates to slide, the positions of the half mold cores are further limited and fixed, and the fixing stability of the half mold cores is improved.

Further, two half die cavity top has all been seted up half seal groove, and two half seal groove combinations form the seal groove, the sealing washer top is provided with solid fixed ring, and the sealing washer has sealing effect, prevents that gas from leaking along half die cavity when the bottle blowing.

Further, fixed ring joint is inside seal groove, uses through fixed ring and the cooperation of seal groove to fix the position of sealing washer.

The utility model discloses following beneficial effect has:

inside half mould core was fixed in fixed shell through fixed block and fixed slot cooperation use, utilize the fixed mode of pegging graft to replace the bolt fastening to make this PET for plastic bottle blowing bottle blowing bottle mould, change different moulds, when producing the plastic bottle of different shapes, need not dismantle the bolt, increase change efficiency.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the fixing housing of the present invention;

FIG. 3 is a schematic view of the top structure of the mold core of the present invention;

FIG. 4 is a schematic view of the bottom structure of the mold core of the present invention;

fig. 5 is a schematic view of the structure of the sealing ring of the present invention.

In the drawings, the reference numbers indicate the following list of parts:

100. a fixed housing; 101. a fixed block; 102. a clamping and connecting rod; 103. a clamping block; 104. a clamping groove; 105. a chute; 200. a half mold core; 201. a half-mold cavity; 202. a half seal groove; 203. a fixing groove; 300. a seal ring; 301. a fixing ring; 302. a limiting plate; 303. a slide block.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

Please refer to fig. 1-5, the utility model relates to a bottle blowing mold for PET plastic bottle blowing, including two fixed shells 100, two half mold cores 200 and sealing washer 300, two half mold cores 200 evenly set up inside two fixed shells 100, and half die cavity 201 has all been seted up at two adjacent one side middle parts of half mold core 200, two half mold cores 200 and two half die cavity 201 combination form bottle blowing mold, two fixed shell 100 bottom inner walls all have linked firmly two fixed blocks 101 about its vertical central line symmetry, two half mold cores 200 bottom middle parts all have seted up two fixed slots 203 about its vertical central line symmetry, fixed block 101 activity joint is inside fixed slot 203, use half mold core 200 to be fixed in inside fixed shell 100 through fixed block 101 and fixed slot 203 cooperation, utilize the fixed mode of pegging graft to replace the bolt fastening, make this bottle blowing mold for PET plastic bottle blowing, when changing different moulds, when producing the plastic bottle of different shapes, need not dismantle the bolt, increase change efficiency.

Wherein as shown in fig. 2, the middle parts of two sides of one fixed housing 100 are uniformly provided with four clamping rods 102, and the middle parts of two sides of another fixed housing 100 are uniformly provided with four clamping blocks 103, the positions of the clamping rods 102 are fixed through the fixed housing 100, the positions of the clamping blocks 103 are fixed through the fixed housing 100, the clamping rods 102 and the clamping blocks 103 are matched to increase the stability of the bottle blowing mold during mold closing, but the clamping rods 102 and the clamping blocks 103 are consumption parts, the clamping rods 103 and the clamping blocks 103 are arranged on the fixed housing 100, so that when the clamping rods 102 and the clamping blocks 103 are replaced, a mold core does not need to be disassembled, the middle parts of one sides of the four clamping blocks 103 are provided with clamping grooves 104, the clamping rods 102 are movably clamped inside the clamping blocks 103 through the clamping grooves 104, the clamping grooves 104 are convenient for the clamping blocks 103 and the clamping rods 102 to complete clamping, the top ends of the two fixed housings 100 are symmetrically provided with two sliding grooves 105 about the vertical central lines thereof, the inside of the four sliding grooves 105 are uniformly slid with four sliding blocks 303, and the sliding blocks 303 are convenient for the sliding blocks 303 to slide along the inside the sliding grooves 105.

Wherein as shown in fig. 2-5, four slider 303 tops have evenly linked firmly two limiting plates 302, use through slider 303 and spout 105 cooperation and drive limiting plate 302 and slide, the position of half mold core 200 is further spacing fixed, increase half mold core 200's fixed stability, half seal groove 202 has all been seted up on two half mold cavity 201 tops, and two half seal groove 202 combinations form the seal groove, sealing washer 300 top is provided with solid fixed ring 301, sealing washer 300 has sealed effect, prevent that gas from leaking along half mold cavity 201 when the bottle blowing, gu fixed ring 301 joint is inside the seal groove, use through solid fixed ring 301 and seal groove cooperation and fix sealing washer 300's position.

The working principle is as follows:

when the mold is replaced, firstly, the limiting plate 302 is pushed to drive the sliding block 303 to separate from the half mold core 200 along the sliding groove 105, then the sealing ring 300 is pulled to separate from the sealing groove, and finally the half mold core 200 which cannot normally work is moved upwards to separate from the fixed shell 100 along the fixed block 101, so that the disassembly is completed;

secondly, the moved half mold core 200 is clamped and fixed inside the fixed shell 100 by the fixed block 101 and the fixed groove 203, then the pushing limiting plate 302 is pushed to drive the sliding block 303 to slide on the top end of the half mold core 200 along the sliding groove 105, the position of the half mold core 200 is limited, and finally the half mold core is clamped and connected inside the sealing groove by the movable sealing ring 300 to complete replacement.

The above is only the preferred embodiment of the present invention, and the present invention is not limited thereto, any technical solutions recorded in the foregoing embodiments are modified, and some technical features thereof are replaced with equivalent ones, and any modification, equivalent replacement, and improvement made thereby all belong to the protection scope of the present invention.

Claims

1. The utility model provides a PET plastic bottle blowing mould for blowing, includes two fixed shells (100), two half mold cores (200) and sealing washer (300), two half mold core (200) evenly set up inside two fixed shells (100), and half die cavity (201), two have all been seted up at two adjacent one side middle parts of half mold core (200) and two half die cavity (201) combination form bottle blowing mould, its characterized in that: two fixed shell (100) bottom inner wall all links firmly two fixed blocks (101) about its vertical central line symmetry, two half mold core (200) bottom middle part has all seted up two fixed slots (203) about its vertical central line symmetry, fixed block (101) activity joint is inside fixed slot (203).

2. The bottle blowing mold for blowing the PET plastic bottle according to claim 1, wherein: the middle parts of two sides of one fixed shell (100) are uniformly provided with four clamping rods (102), and the middle parts of two sides of the other fixed shell (100) are uniformly provided with four clamping blocks (103).

3. The bottle blowing mold for blow molding of PET plastic bottles of claim 2, characterized in that: four joint piece (103) one side middle part all seted up joint groove (104), joint pole (102) are passed through joint groove (104) activity joint and are in joint piece (103) inside.

4. The bottle blowing mold for blowing the PET plastic bottle according to claim 1, wherein: two fixed shell (100) top all has seted up two spout (105) about its vertical central line symmetry, four spout (105) inside even slip has four slider (303).

5. The bottle blowing mold for blow molding of PET plastic bottles of claim 4, characterized in that: the top ends of the four sliding blocks (303) are uniformly and fixedly connected with two limiting plates (302).

6. The bottle blowing mold for blowing the PET plastic bottle according to claim 1, wherein: two half seal groove (202) have all been seted up on half die cavity (201) top, and two half seal groove (202) combinations form the seal groove, sealing washer (300) top is provided with solid fixed ring (301).

7. The bottle blowing mold for blowing the PET plastic bottle as claimed in claim 6, wherein: the fixing ring (301) is clamped inside the sealing groove.