阅读说明：本技术 一种塑料瓶及其制造工艺 (Plastic bottle and manufacturing process thereof ) 是由 陈毅斌 于 2021-08-06 设计创作，主要内容包括：本发明属于塑料瓶加工技术领域；本发明提供了一种塑料瓶制造工艺,包括以下步骤：a：使用拼接装置中的夹紧架对外瓶进行装夹,之后在内瓶上安装夹片；b：将内瓶连同夹片一起套在外瓶上,并将外瓶与内瓶之间的空气压力加强；c：使夹片与外瓶和内瓶贴紧,定型后,将产品取下；所述外瓶通过夹片与内瓶连接,内瓶设在外瓶内侧；外瓶上设有瓶口延长管,内瓶上设有外翻的折沿；折沿内侧安装有夹片,夹片的内侧与瓶口延长管的外侧贴合；所述拼接装置包括托板和滑沿,托板上安装有夹紧架,夹紧架通过两个对称安装且能够相互靠近的扣盒对外瓶进行装夹,托板上安装有端部向下延伸的滑沿。(The invention belongs to the technical field of plastic bottle processing; the invention provides a plastic bottle manufacturing process, which comprises the following steps: a: clamping the outer bottle by using a clamping frame in the splicing device, and then installing a clamping piece on the inner bottle; b: sleeving the inner bottle and the clamping piece on the outer bottle together, and enhancing the air pressure between the outer bottle and the inner bottle; c: the clamping piece is tightly adhered to the outer bottle and the inner bottle, and after shaping, the product is taken down; the outer bottle is connected with the inner bottle through a clamping piece, and the inner bottle is arranged on the inner side of the outer bottle; the outer bottle is provided with a bottle mouth extension pipe, and the inner bottle is provided with an outward-turned folding edge; the inner side of the folded edge is provided with a clamping piece, and the inner side of the clamping piece is attached to the outer side of the bottle mouth extension pipe; splicing apparatus includes layer board and smooth edge, installs the tight frame of clamp on the layer board, and the tight frame of clamp just can be close to each other through two symmetrical installations detain the box and carry out the clamping to outer bottle, installs the smooth edge of tip downwardly extending on the layer board.)

1. A manufacturing process of plastic bottles is characterized in that: the method comprises the following steps:

a: clamping the outer bottle by using a clamping frame in the splicing device, and then installing a clamping piece on the inner bottle;

b: sleeving the inner bottle and the clamping piece on the outer bottle together, and enhancing the air pressure between the outer bottle and the inner bottle;

c: the clamping piece is tightly adhered to the outer bottle and the inner bottle, and the product is taken down after the shaping.

2. A process for the manufacture of plastic bottles according to claim 1, wherein: splicing apparatus includes layer board (3.1) and smooth along (3.4), installs on layer board (3.1) and presss from both sides tight frame, presss from both sides tight frame and installs through two symmetries and can be close to each other detain box (2.1) and carry out the clamping to outer bottle, install the smooth edge (3.4) of tip downwardly extending on layer board (3.1), install ejecting subassembly on layer board (3.1), ejecting subassembly can make outer bottle when sliding down on smooth edge (3.4), outer bottle bottom is laminated with the lower extreme that slides along (3.4) more.

3. A process for manufacturing plastic bottles according to claim 2, wherein: the clamping frame comprises a sliding block (2.7), sliding groove plates (3.3) and two-way telescopic rods (3.5), the sliding block (2.7) is installed at the lower end of the buckle box (2.1), the buckle box (2.1) is matched and used for clamping an outer bottle, the sliding groove plates (3.3) are symmetrically installed on the supporting plate (3.1), the sliding blocks (2.7) slide in the sliding groove plates (3.3) respectively, the fixed ends of the two-way telescopic rods (3.5) are installed at the lower end of the supporting plate (3.1), and the movable ends of the two sides of the two-way telescopic rods (3.5) are fixedly connected with the sliding blocks (2.7) respectively.

4. A process for the manufacture of plastic bottles according to claim 3, wherein: the clamping frame further comprises a sliding rod (2.2) and a laminating buckle piece (2.4), the two buckle boxes (2.1) are connected with the sliding rod (2.2) in a sliding mode, the laminating buckle piece (2.4) is installed on the sliding rod (2.2), a clamping piece is installed between the two laminating buckle pieces (2.4), the inner side of the laminating buckle piece (2.4) is attached to an extension pipe of the bottle mouth of the outer bottle (1.1), and a telescopic rod I is installed between the buckle boxes (2.1) and the sliding rod (2.2).

5. A process for the manufacture of plastic bottles according to claim 4, wherein: splicing apparatus is still including extending strip (2.3), poling (2.5) and baffle (2.6), install a plurality of extension strips (2.3) on detaining box (2.1), be equipped with poling (2.5) on laminating cramp (2.4), extend strip (2.3) sliding connection in poling (2.5), install baffle (2.6) on laminating cramp (2.4), this baffle (2.6) are used for carrying out the separation to poling (2.5), poling (2.5) of baffle (2.6) upside are used for improving the installation effectiveness of clamping piece.

6. A process for the manufacture of plastic bottles according to any one of claims 4 or 5, wherein: the clamping piece is installed on the attaching buckle piece (2.4) in a casting mode.

7. A process for the manufacture of plastic bottles according to claim 6, wherein: splicing apparatus still includes slide (3.2), lift seat (4.1), outer lane (4.2) and inner circle (4.5), install slide (3.2) on layer board (3.1), sliding connection has lift seat (4.1) on slide (3.2), install telescopic link II between slide (3.2) and lift seat (4.1), install outer lane (4.2) on lift seat (4.1), install inner circle (4.5) on outer lane (4.2), the top of laminating cramp (2.4), the casting space of clamping piece is constituteed in outer lane (4.2) and inner circle (4.5), outer lane (4.2) and inner circle (4.5) can be to pressing along the going up of interior bottle (1.3), outer lane (4.2) and inner circle (4.5) cooperate with the inside and outside both sides of laminating cramp (2.4) respectively.

8. The process for the manufacture of plastic bottles according to claim 7, wherein: splicing apparatus still includes gear motor (4.3) and rocking arm (4.4), and gear motor (4.3) are installed on lift seat (4.1), installs the runner on the output shaft of gear motor (4.3), and the bull stick is installed to the eccentric position of runner, and the bull stick is connected with rocking arm (4.4) are articulated, installs the swivel mount on outer lane (4.2), is equipped with the spout on rocking arm (4.4), and the swivel mount slides in the spout, rocking arm (4.4) and inner circle (4.5) fixed connection.

9. The process for manufacturing plastic bottles of claim 8, wherein: the inner ring (4.5) is provided with a pressing platform (4.6), and the pressing platform (4.6) is matched with the bottom of the inner bottle (1.3).

10. A plastic bottle manufactured by the plastic bottle manufacturing process of claim 9, wherein: the outer bottle (1.1) is connected with the inner bottle (1.3) through the clamping piece (1.2), and the inner bottle (1.3) is arranged at the inner side of the outer bottle (1.1).

Technical Field

The invention belongs to the technical field of plastic bottle processing, and relates to a plastic bottle and a manufacturing process thereof.

Background

The plastic bottle is mainly made of materials such as polyethylene or polypropylene and is added with a plurality of organic solvents; the plastic bottle widely uses Polyester (PET), Polyethylene (PE) and polypropylene (PP) as raw materials, is added with corresponding organic solvent, is heated at high temperature, and passes through a plastic mold to be subjected to blow molding, extrusion blowing or injection molding to form a plastic container; when the conventional hollow plastic bottle is used, due to the extrusion of the hand shape to the plastic bottle, the plastic bottle cannot accurately pour the liquid in the plastic bottle, and the material is lost by mistake; the double-layer plastic bottle has higher use stability between the inner bottle and the outer bottle.

Disclosure of Invention

In view of the above, the technical problem to be solved by the present invention is to provide a plastic bottle and a manufacturing process thereof, which can process a double-layer plastic bottle, wherein the double-layer plastic bottle has improved stability between an inner bottle and an outer bottle, reduces shaking generated when a fluid which is difficult to be stored is poured, and reduces the influence of hand temperature on the temperature of a sealed fluid.

The invention provides a plastic bottle manufacturing process, which comprises the following steps:

a: clamping the outer bottle by using a clamping frame in the splicing device, and then installing a clamping piece on the inner bottle;

b: sleeving the inner bottle and the clamping piece on the outer bottle together, and enhancing the air pressure between the outer bottle and the inner bottle;

c: the clamping piece is tightly adhered to the outer bottle and the inner bottle, and the product is taken down after the shaping.

Splicing apparatus includes the layer board and slides along, installs the tight frame of clamp on the layer board, and the tight frame of clamp just can be close to each other through two symmetrical installations detain the box and carry out the clamping to outer bottle, installs the smooth edge of tip downwardly extending on the layer board, installs ejecting subassembly on the layer board, and when ejecting subassembly can make outer bottle when sliding down on the smooth edge, outer bottle bottom was laminated with the lower extreme on smooth edge more.

The clamping frame further comprises a slide bar and a laminating buckle piece, the two buckle boxes are connected with the slide bar in a sliding mode, the laminating buckle piece is installed on the slide bar, a clamping piece is installed between the two laminating buckle pieces, the inner side of the laminating buckle piece is attached to an extension pipe of a bottle opening of an outer bottle, and a telescopic rod I is installed between the buckle boxes and the slide bar.

The outer bottle is connected with the inner bottle through a clamping piece, and the inner bottle is arranged on the inner side of the outer bottle; the outer bottle is provided with a bottle mouth extension pipe, and the inner bottle is provided with an outward-turned folding edge; the folding edge is internally provided with a clamping piece, and the inner side of the clamping piece is attached to the outer side of the bottle mouth extension pipe.

Drawings

The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a flow chart of a process for manufacturing plastic bottles according to the present invention;

FIG. 2 is a schematic structural view of a double-layer plastic bottle according to the present invention;

FIG. 3 is a schematic structural view of a clip according to the present invention;

FIG. 4 is a schematic structural view of the buckle box provided by the present invention;

FIG. 5 is a schematic structural view of a conformable clip according to the present invention;

FIG. 6 is a schematic structural diagram of a pallet provided by the present invention;

FIG. 7 is a schematic structural view of a lifting seat according to the present invention;

FIG. 8 is a schematic structural view of an inner ring provided in the present invention;

fig. 9 is a schematic structural view of a plate spring provided by the present invention;

FIG. 10 is a schematic structural view of an ejecting table provided in the present invention;

FIG. 11 is a schematic structural view of a ramp plate according to the present invention.

Detailed Description

The manufacturing process of the plastic bottle provided by the invention is described in detail by combining the attached drawings in the embodiment of the invention.

Embodiments of the present invention are illustrated with reference to fig. 2-3, fig. 6:

the outer bottle is provided with a bottle mouth extension pipe, and the inner bottle is provided with an outward-turned folding edge;

the inner side of the folded edge is provided with a clamping piece, and the inner side of the clamping piece is attached to the outer side of the bottle mouth extension pipe;

clamping the outer bottle by using two buckling boxes 2.1 which can be close to each other, then installing a clamping piece on the inner bottle, and finally sleeving the inner bottle and the clamping piece on the outer bottle together to form a double-layer plastic bottle;

the outer bottle and the inner bottle are made of hard materials, the clamping piece is made of thermal adhesive materials, and after the inner bottle and the clamping piece are sleeved on the outer bottle together, the joint is heated, so that the fixing effect between the clamping piece and the inner bottle and between the clamping piece and the outer bottle is improved;

the design of the sliding edge 3.4 can reduce collision damage to the double-layer plastic bottle after the double-layer plastic bottle is separated from the device;

the push-out component pushes the middle part of the outer bottle, and the push direction moves towards the bottom of the virtual axis at the side part of the outer bottle, so that the bottom of the outer bottle is preferentially contacted with the sliding edge 3.4, and the top of the outer bottle is prevented from being collided and damaged;

the design that the bottom of the outer bottle is preferentially contacted with the sliding edge 3.4 can reduce the requirement of the device on cooling treatment time after the clamping piece is heated, thereby improving the processing efficiency of the device;

the heating mode can be selected from a manual control hot air gun for heating.

An embodiment of the invention is illustrated, see fig. 6:

the clamping frame comprises a sliding block 2.7, sliding groove plates 3.3 and a bidirectional telescopic rod 3.5, the sliding block 2.7 is installed at the lower end of a buckling box 2.1, the two buckling boxes 2.1 are matched and used for clamping an outer bottle, two sliding groove plates 3.3 are symmetrically installed on a supporting plate 3.1, the two sliding blocks 2.7 slide in the two sliding groove plates 3.3 respectively, the fixed ends of the bidirectional telescopic rod 3.5 are installed at the lower end of the supporting plate 3.1, and the movable ends of the two sides of the bidirectional telescopic rod 3.5 are fixedly connected with the two sliding blocks 2.7 respectively.

Starting the bidirectional telescopic rod 3.5 to stretch, and driving the movable ends at two sides of the bidirectional telescopic rod 3.5 to move towards directions close to or away from each other, so that the two sliding blocks 2.7 respectively slide in the two sliding groove plates 3.3, and then the buckle box 2.1 can clamp the outer bottle;

the outer bottle is clamped by the two buckling boxes 2.1 with the same structure, so that the surface effect of the side part of the outer bottle can be improved;

further, the design of the buckle box 2.1 can make the side surface of the outer bottle more uniform in the processing process.

Examples of the present invention are illustrated with reference to fig. 4-5:

the clamping piece is arranged on the two attaching buckling pieces 2.4, the inner bottle is sleeved on the clamping piece, then the telescopic rod I is started to stretch, the sliding rod 2.2 slides on the buckling box 2.1, and therefore the effect that the inner bottle and the clamping piece are sleeved on the outer bottle together is achieved;

the bottom of the buckle box 2.1 is provided with an inclined plane, so that the outer bottle can be clamped conveniently, and the extrusion to the outer bottle is reduced;

because the inner side of the joint buckle piece 2.4 is jointed with the extension pipe of the bottle mouth of the outer bottle, when the joint buckle piece 2.4 moves towards the direction close to the bottom of the buckle box 2.1, the air pressure between the outer bottle and the inner bottle is strengthened, and the outer bottle and the inner bottle are both arranged into circular sections, and the design can improve the strength of the outer bottle in the using process of the double-layer plastic bottle;

furthermore, the air pressure between the outer bottle and the inner bottle is enhanced, so that the shaking between the outer bottle and the inner bottle can be reduced, and the using effect of the double-layer plastic bottle is improved;

furthermore, the air pressure between the outer bottle and the inner bottle is strengthened, and the outer bottle and the inner bottle are bonded through the clamping piece, so that the firmness of the double-layer plastic bottle is improved, and the outer bottle and the inner bottle both apply continuous extrusion force to the clamping piece;

furthermore, the air pressure between the outer bottle and the inner bottle is strengthened, in the process, the contact effect between the outer side of the outer bottle and the buckle box 2.1 can be improved, and the shape of the outer bottle can be further processed;

the design of retreating the shape of the outer bottle which is well blown can process the impression effect which is difficult to be realized by the blow molding process on the outer bottle, so that the surface flatness of the inner side of the outer bottle can be maintained while the outer side of the outer bottle has the impression.

Examples of the present invention are illustrated with reference to fig. 4-5:

splicing apparatus is still including extending strip 2.3, wearing groove 2.5 and baffle 2.6, installs a plurality of extension strips 2.3 on detaining box 2.1, is equipped with wearing groove 2.5 on the laminating cramp 2.4, extends strip 2.3 sliding connection in wearing groove 2.5, installs baffle 2.6 on the laminating cramp 2.4, and this baffle 2.6 is used for carrying out the separation to wearing groove 2.5, and the wearing groove 2.5 of baffle 2.6 upside is used for improving the installation effectiveness of clamping piece.

The design of the extension strip 2.3 and the through groove 2.5 is convenient for improving the movement stabilizing effect of the attaching buckle piece 2.4, thereby improving the shaping effect of the extension tube of the bottle mouth of the outer bottle;

the design of baffle 2.6 can be with wearing groove 2.5 and separating out the wearing groove 2.5 of upside and the wearing groove 2.5 of downside, and the wearing groove 2.5 of upside is convenient for install the clamping piece on laminating cramp 2.4 through the mode of casting.

Examples of the present invention are illustrated with reference to fig. 4-5:

the clamping piece is installed on the attaching buckle piece 2.4 in a casting mode.

The trough 2.5 of wearing of upside can improve the casting effect of clamping piece to improve the steadiness that the clamping piece was installed on laminating cramp 2.4, make the fastness between clamping piece and outer bottle and the interior bottle improve then.

Examples of the invention are illustrated with reference to fig. 7-8:

splicing apparatus still includes slide 3.2, lift seat 4.1, outer lane 4.2 and inner circle 4.5, install slide 3.2 on the layer board 3.1, sliding connection has lift seat 4.1 on slide 3.2, install telescopic link II between slide 3.2 and the lift seat 4.1, install outer lane 4.2 on the lift seat 4.1, install inner circle 4.5 on the outer lane 4.2, laminating cramp 2.4's top, the casting space of outer lane 4.2 and inner circle 4.5 constitution clamping piece, outer lane 4.2 and inner circle 4.5 can be to interior bottle 1.3 go up along pressing, outer lane 4.2 and inner circle 4.5 cooperate with the inside and outside both sides of laminating cramp 2.4 respectively.

The top end of the joint cramp 2.4, the outer ring 4.2 and the inner ring 4.5 form a casting space of the clamping piece, so that the clamping piece is cast, and in the casting process, the cast liquid is formed in the through groove 2.5 on the upper side, so that the connection effect of the clamping piece and the joint cramp 2.4 is improved after the whole clamping piece is cast;

the clamping piece casting is back on laminating cramp 2.4, start telescopic link II and stretch out and draw back, make outer lane 4.2 and inner circle 4.5 break away from with the clamping piece, later install interior bottle in the clamping piece and the laminating cramp 2.4 outside, outer lane 4.2 and inner circle 4.5 can be to interior bottle 1.3 last edge pressure-sensitive moving, make interior bottle together with the clamping piece can steadily overlap on outer bottle, accomplish the installation of product, the bottleneck extension pipe laminating of laminating cramp 2.4 and outer bottle this moment, can strengthen outer bottle and the air pressure between the interior bottle.

An embodiment of the invention is illustrated, with reference to fig. 8:

splicing apparatus still includes gear motor 4.3 and rocking arm 4.4, and gear motor 4.3 is installed on lift seat 4.1, installs the runner on gear motor 4.3's the output shaft, and the bull stick is installed to the eccentric position of runner, and the bull stick is connected with rocking arm 4.4 is articulated, installs the swivel mount on outer lane 4.2, is equipped with the spout on rocking arm 4.4, and the swivel mount slides in the spout, rocking arm 4.4 and inner circle 4.5 fixed connection.

The gear motor 4.3 is started to rotate to drive the rocker arm 4.4 to shake, and the rocker arm 4.4 rotates and slides on the rotary seat at the moment, so that the outer ring 4.2 and the inner ring 4.5 can uniformly press the upper edge of the inner bottle 1.3, and the processing quality of a product is further improved;

the rocker arm 4.4 is driven to shake, so that the casting effect of the clamping piece is improved conveniently;

the lower end of the inner ring 4.5 is made of a flexible material so that when the rocker arm 4.4 rotates and slides on the swivel base, the half-cast clip is squeezed to remove air bubbles during casting.

An embodiment of the invention is illustrated, with reference to fig. 8:

the inner ring 4.5 is provided with a pressing platform 4.6, and the pressing platform 4.6 is matched with the bottom of the inner bottle 1.3.

The design of the pressing table 4.6 can improve the parallel effect between the bottom of the inner bottle 1.3 and the horizontal plane;

further, the design of the pressing table 4.6 can improve the stress balance of the device for sleeving the inner bottle on the outer bottle.

An embodiment of the invention is illustrated, with reference to fig. 1:

the outside at interior bottle 1.3 middle part has the interval between the bottleneck extension pipe to when making interior bottle 1.3 install on outer bottle 1.1, can not form the cavity between outer bottle 1.1 and the interior bottle 1.3, increase the connection effect between clamping piece 1.2 and the interior bottle 1.3.

Embodiments of the present invention are illustrated with reference to fig. 9-11:

the ejection assembly comprises a matching column 2.8, hinged seats 3.6, a plate spring 3.7, a rotating core 5.1, an inclined plane matching plate 5.2, a torsion spring plate 5.3 and an ejection table 5.4, the matching column 2.8 is installed on the sliding block 2.7, two hinged seats 3.6 are symmetrically installed on the sliding plate 3.2, the plate spring 3.7 is installed between the two hinged seats 3.6, the rotating core 5.1 is hinged between the two hinged seats 3.6, the inclined plane matching plate 5.2 is symmetrically installed at two ends of the rotating core 5.1, the inclined plane matching plate 5.2 is matched with the matching column 2.8, the torsion spring plate 5.3 is installed on the rotating core 5.1, a torsion spring is installed between the torsion spring plate 5.3 and the hinged seat 3.6 on one side, the ejection table 5.4 is installed on the rotating core 5.1, and the ejection table 5.4 is matched with the outer side of the outer bottle 1.1.

When the bidirectional telescopic rod 3.5 is started to stretch, the matching column 2.8 shifts the inclined matching plate 5.2, so that the ejection table 5.4 can push the middle part of the outer bottle 1.1, the pushing direction moves towards the bottom of the side virtual axis of the outer bottle 1.1, the bottom of the outer bottle 1.1 is preferentially contacted with the sliding edge 3.4, the top of the outer bottle 1.1 is prevented from being collided and damaged, and the ejection table 5.4 rotates by taking the axis of the rotary core 5.1 as an axis;

the design that the bottom of the outer bottle 1.1 is preferentially contacted with the sliding edge 3.4 can reduce the requirement of the device on cooling treatment time after heating the clamping piece, thereby improving the processing efficiency of the device;

when the bidirectional telescopic rod 3.5 is started to extend, the two buckle boxes 2.1 are driven to unfold firstly, then the ejection table 5.4 pushes the outer bottle 1.1, then the matching column 2.8 is separated from the inclined matching plate 5.2, and the ejection table 5.4 is reset under the action of the torsion spring;

the bottom of the joint buckle piece 2.4 is controlled to be jointed with the upper end of the buckle box 2.1, so that the joint buckle piece 2.4 can be separated from the folded edge of the inner bottle 1.3, the joint buckle piece 2.4 is not completely separated from the residue of the clamping piece 1.2 in the upper side through groove 2.5 at the moment, then the bidirectional telescopic rod 3.5 is started to extend out, transverse shearing force can be applied to the residue of the clamping piece 1.2 in the upper side through groove 2.5, and the residue of the clamping piece 1.2 can be removed conveniently;

when the bidirectional telescopic rod 3.5 is contracted from the maximum extension state, the outer bottle 1.1 is placed between the two buckle boxes 2.1, the matching column 2.8 is matched with the other surface of the inclined matching plate 5.2, so that the ejection table 5.4 moves towards the direction far away from the buckle boxes 2.1, the plate spring 3.7 is pressed at the moment, and then the plate spring 3.7 drives the ejection table 5.4 to rebound to generate shaking, so that the joint effect between the outer bottle 1.1 and the buckle boxes 2.1 is improved;

two protruding columns are arranged on the ejection table 5.4, so that the effect of centering the outer bottle 1.1 can be realized when the ejection table 5.4 is matched with the outer bottle 1.1.