CN101164764A

CN101164764A - Blow molding forming bottle with handle and manufacturing device for the same

Info

Publication number: CN101164764A
Application number: CNA2007101408963A
Authority: CN
Inventors: 折元宏行
Original assignee: ALTECH ALT Co Ltd; Frontier Co Ltd
Current assignee: Frontier Co Ltd
Priority date: 2004-05-25
Filing date: 2004-05-25
Publication date: 2008-04-23
Anticipated expiration: 2024-05-25
Also published as: HK1116448A1; CN101164764B

Abstract

The present invention relates to a blow-moulding formed bottle with handle and its production equipment. The mounting strength of said handle is raised, and sand handle is not easily separated from bottle body. It is characterized by that in the blow-moulding forming process two cylinders are respectively set, said two cylinders can be used for driving two cams, and said two cams can be used for forming upper and lower bottom side dishes, so that the action of the lower cam side is front and the action of the upper cam side is late, the dish depth and form of lower bottom side dish are identical to that of upper bottom side dish, the combination portions of said handle can be firmly combined in the above-mentioned upper and lower bottom side dishes, therefore the mounting strength of said handle can be raised, and said handle can not be easily separated from said bottle body.

Description

The manufacturing installation of Blow molding bottle with handles and this bottle

The application is Frontier Inc. and love and but Thailand ALT Co., Ltd. submits to, application number is " 200410045896.1 ", the applying date dividing an application for the application for a patent for invention in " on May 25th, 2004 ".

Technical field

The present invention relates to the manufacturing installation of a kind of Blow molding bottle with handles and this bottle, say in more detail, relate to such Blow molding bottle with handles and the manufacturing installation of this bottle, promptly, when forming bottle, form the bottom side recess that handle is installed usefulness on its body portion surface in advance, the handle that was shaped in addition afterwards is installed at this bottom side recess.

Background technology

Beverage and liquid containers such as edible oil and fat or baste as with the mineral water being representative use Blow molding bottle more.Less than the occasion of 1800ml, the example that handle is not set usually is more more than 250ml for this bottle.Yet when when 1800ml is above, as not with handles, inconvenience is used, so bottle with handles is more.

In this bottle with handles, there are following 3 types.

1. during blow molding, with the integrally formed handle portion of bottle part.

2. be embedded in the handle of other shaping at metal mould for formation, in metal pattern, handle be installed on bottle when being shaped bottle.

3. when bottle is shaped, form the bottom side recess, embed the handle that was shaped in addition afterwards at this bottom side recess and install on the trunk surface of this bottle.

The present invention is bottle and its manufacturing installation of the type of the mounting knob afterwards of the 3rd kind of introduction in illustrate 3 types in the above-mentioned background technology.

At first, this bottle of Setup Type afterwards is described.This bottle as shown in Figure 12, when shaping bottle body 100, part on the surface of the body portion 101 bottom side recess 102,103 that is shaped in advance opposed to each other up and down, afterwards, relative this bottom side recess 102,103 cooperates respectively the junction surface 106a and the junction surface 106b of the upper arm 106 that is shaped towards horizontal direction and underarm 107 respectively, thereby afterwards handle 104 had been installed on bottom side recess 102 from the inboard, wherein, upper arm 106 and underarm 107 lay respectively at handle portion 105 about.

Yet, in so back Setup Type, the weight of the liquid in the bottle body 101 is heavy more, then hold handle 104 lift bottle body 100, obliquely when the mouth 100a of bottle body 100 injects liquid, stress focuses on bottom side recess 102,103 parts of bottle body 100 more, in addition, the wall thickness of the bottle body 100 of blow molding, easily deformable, so, the engagement relationship instability of junction surface 106a, the 107a of bottom side recess 102,103 and handle 104 sides.In addition, because underarm 106,107 also produces deflection on handle 104 sides, so instability increases, serious occasion handle 104 may be deviate from.

In order to solve such problem, also proposing has such scheme, that is, as shown in Figure 13, mounting support plate 108 between the front end of underarm on the handle 104 106,107, the deflection of underarm 106,107 in the prevention prevents that thus handle 104 from deviating from.

Yet, the occasion of this support plate 108 is being installed, though to preventing that handle 104 from deviating to have effect, when the use of bottle finish, in the time of bottle body 100 will being separated with handle 104, it is very bothersome to pull down support plate 108, becomes the obstacle when separating.

In addition, in order to make bottle body 100 firm with the installment state of handle 104, also can consider bottom side recess 102,103 methods that form deeplyer, or at this bottom side recess 102, in 103 the shaping, the member that is called as cam of bottom side recess shaping usefulness is encased in the metal pattern, when blowing, open this cam ground action simultaneously, recessed bottom side recess 102 up and down is shaped, 103, for this reason, bottom side recess 102, there is limit in 103 depth of recess, in addition, and as significant drawback, bottom side recess 102 up and down and 103 depth of recess and shape are different up and down, and this also becomes the reason that handle 104 is easy to deviate from.

The degree of depth and the variform reason of being somebody's turn to do bottom side recess 102 up and down and 103 are to use 1 cylinder to make 2 cam starts simultaneously up and down, so, mould when it is expanded when pressure-air being blown at metal pattern, arrive the asynchronism(-nization) of 2 cams up and down, at this shaping bottom side recess 102,103 different time, simultaneously, in bottom side, bottom recess 103, the direction of bottom side recess forming section is an equidirectional with the expansion direction of moulding base.

Summary of the invention

The object of the present invention is to provide a kind of handle bottle and its control device of eliminating the above-mentioned shortcoming that exists in the Blow molding bottle with handles of back mount type in the past.

In order to achieve the above object, the present inventor is through conscientiously research and experiment repeatedly, finished following formation bottle with handles structure and to making the device of this bottle the best.The following describes formation of the present invention, describe embodiment with reference to the accompanying drawings in detail.

At first, the Blow molding bottle with handles of the 1st invention is installed on handle between the bottom side recess that is formed on bottle body, simultaneously, at mounting support plate between underarm on the above-mentioned handle, improves intensity; It is characterized in that: when above-mentioned support plate is installed on bottle, between last underarm, becomes a linearity ground and constitute.

In addition, the 2nd invention also has such feature on the basis of the Blow molding bottle with handles of the 1st invention: face handle mounting part, that support plate is relative in the bottle body side is formed for preventing the pit of support plate towards double swerve.

In addition, the 3rd invention also has such feature on the basis of the Blow molding bottle with handles of the 1st invention: formation slope below upper arm, simultaneously, the part on this slope forms guide part, by the effect of this guide part, when being pressed into support plate, not towards double swerve.

In addition, the 4th invention also has such feature on the basis of the Blow molding bottle with handles of the 1st invention: make support plate towards the minus side bending.

In addition, the 5th invention is on the basis of the Blow molding bottle with handles of the 1st invention, also have such feature: the scope with the pitch of the protuberance of the last underarm of support plate is set more recessedly than the bottom side below the above 2.3mm of the long 0.2mm of pitch makes support plate slightly towards the minus side bending.

In addition, the 6th invention also has such feature on the basis of the Blow molding bottle with handles of the 1st invention: support plate ribs vertically is set, increase the intensity of support plate.

In addition, the manufacturing installation of the Blow molding bottle with handles of the 7th invention is at the part shaping bottom side of the outer surface of the body portion of bottle body recess, mounting knob between this bottom side recess; It is characterized in that: control the cam that the bottom side is recessed into the upper and lower that shape uses respectively by the cylinder that is provided with respectively, simultaneously, expand mould base be about to contact cam before or start side by side substantially, the cam on this top is about to by before the cam on this top or by the time start of while substantially at the base of moulding that expands by air blowing, thereby the degree of depth of the pit of the bottom side recess about can making is identical substantially with shape, increases the installation strength of handle.

Description of drawings

Fig. 1 is the side view of Blow molding bottle with handles of the present invention.

Fig. 2 is the key diagram of handle portion.

Fig. 3 is the key diagram of handle.

Fig. 4 for form in the bottle body side pit with the support plate that prevents handle towards about the key diagram of embodiment of skew.

The key diagram of the embodiment of the guide part when Fig. 5 is pressed into support plate for forming in ramp portion.

Fig. 6 makes the key diagram of the support plate of handle towards the embodiment of minus side distortion.

Fig. 7 for the pitch up and down of protuberance of the last underarm that will be formed at handle form than about the key diagram of the big embodiment of the pitch of bottom side recess.

Fig. 8 forms the key diagram of the example of vertical rib for the support plate at handle.

Fig. 9 (a) is the key diagram that forms the example of rib at the inner face of support plate, and Fig. 9 (b) is the key diagram that forms the example of rib in the outside of support plate.

Figure 10 is the key diagram of bottle manufacturing installation of the present invention.

Figure 11 (A)～(F) is the key diagram of blow molding process.

Figure 12 is the key diagram of Blow molding bottle with handles in the past.

Figure 13 is the key diagram of Blow molding bottle with handles in the past.

The specific embodiment

(embodiment 1)

Present embodiment 1 is the with handles bottle corresponding with the invention of technical scheme 1.This bottle 1 is the bottle of the mylar system that is shaped by blow-moulding process, on the surface of the body portion 3 of bottle body 2 handle of being made by identical polyester 4 is installed afterwards.

This bottle 1 of with handles 4 is described in more detail below.On the surface of the body portion 3 of bottle body 2 for mounting knob, a part that cuts circumference is formed at handle mounting part 5 from the recessed position of circumference, simultaneously, form the bottom side recess 8,9 that the pit by desired depth and shape constitutes in the opposed respectively position of the going up or down

stairway portion

6,7 of this handle mounting part 5.

At handle 4 as shown in Figure 3, form handle portion 10, the upper arm 11 that protrudes from this handle portion 10 towards horizontal direction and underarm 12, and underarm 11, the 12 front ends outside forms on this respectively is coupled to

junction surface

11a, 12a in the bottom side recess 8,9 up and down.In addition, from underarm 12 sides towards the top integrally formed support plate 13, the upper end 13a of this support plate 13 is set at the length that joins in the end difference 11b that the slope 11c below being formed at upper arm 11 links to each other, simultaneously, make support plate 13 when this end difference 11b engages the upper end 13a of support plate 13 become the length of linearity ground setting support plate 13 and when handle 4 is installed on bottle body 2 on the pitch of

underarm

11,12 and the pitch of bottom side recess 8,9.

Fig. 2 is illustrated in the order of bottle body 2 mounting knobs 4 of above-mentioned formation, before mounting knob 4, support plate 13 is in the rear of slope 11c, be in by the position shown in 1 chain-dotted line,

junction surface

11a, 12a with the

last underarm

11,12 of handle 4 is coupled to

bottom side recess

8,9 respectively, then, is pressed into the support plate that is in 1 dashdotted position towards the direction of arrow with finger tip, such as depicted in figs. 1 and 2, its front end 13a is engaged in end difference 11a and forms backbar.

According to this embodiment 1, when mounting knob 4, support plate 13 forms a linearity along the face of handle mounting part 5, so, the supporting force of

last underarm

11,12 is compared increase with the prior art example of support plate 108 (positive side) bending towards the outside as shown in Figure 13, and this handle 4 is difficult for deviating from.

(embodiment 2)

Present embodiment 2 is corresponding with technical scheme 2 described inventions, as shown in Figure 4, just in time hold support plate 13 ground in the front of the installation portion 5 corresponding and form pit 14 with support plate 13, in this pit 14, accommodate support plate 13, thereby can prevent that support plate 13 from causing the supporting force instability towards double swerve.

(embodiment 3)

Present embodiment 3 is corresponding with technical scheme 3 described inventions, form guiding rib 15 as shown in Figure 5 on the slope 11c below the upper arm 11 that is formed at handle 4, form the notch 13b that engages with this guiding rib 15 at the upper end of support plate 13 13a, as among Fig. 2 from 1 dashdotted position as shown by arrows, when support plate 13 being pressed in order to engage with end difference 11b, the upper end 13a of support plate 13 does not lead towards double swerve ground, can join support plate 13 to preposition by correct posture.

(embodiment 4)

Present embodiment is corresponding with technical scheme 4 described inventions, as shown in Figure 6, when handle 4 is installed on bottle body 2, make support plate 13 towards minus side (inboard of bottle 1) bending, thereby make that support plate 13 is difficult for producing displacement towards positive side (outside of bottle 1), handle 4 is difficult for deviating from.But, by support plate 13 finger tip etc. is acted on the back side of support plate 13, thereby makes it towards positive side shifting towards this minus side bending, produce the gap, so, can utilize this gap easily to pull down upper end 13a from end difference 11b, pull down handle 4 from bottle 1, it is separated.

(embodiment 5)

Embodiment 5 is corresponding with technical scheme 5 described inventions, as shown in Figure 7, the state ground that becomes Fig. 1 is engaged in support plate 13 in the end difference 11b of upper arm side, as backbar, at this moment, more than the long 0.2mm of pitch H of pitch H ' between the front end of junction surface 11a, the 12b of the

last underarm

11,12 of handle 4 than the bottom side recess 8,9 of bottle body 2 sides, the scope below 2.3mm ground sets size, even thereby produce error in bottle body 2 side dimensional accuracies, also can positively prevent the installation strength deficiency of handle 4.

The pitch of junction surface 11a, 12b is when above-mentioned scope is following, and the influence of the error of precision increases, and when above-mentioned scope was above, it is difficult that the installation of handle 4 becomes, so this scope is more satisfactory for practicality.

(embodiment 6)

Embodiment 6 is corresponding with technical scheme 6 described inventions, as shown in Figure 8, forms rib 16c longitudinally at support plate 13, increases the endurance of the warpage of relative support plate 13 thus, increases the supporting force of support plate 13, and handle 4 is difficult for deviating from.Rib 16c like that, also can be the surface (A) of support plate 13 or the either side of the back side (B) as Fig. 9 (A) with (B).

(embodiment 7)

Present embodiment 7 relates to corresponding with the technical scheme 8 described inventions of the manufacturing installation of the bottle with handles of above explanation, according to Figure 10 its formation is described, according to formation and its effect of the cam mechanism of the blow molding method of Figure 11 (A)～(F) explanation device and shaping bottom side recess.

Figure 10 illustrates the section of blow-moulding machine, this blow-moulding machine 50 has

metal pattern

51,52, the pressure-air that is in the lower central of die cavity 53 is blown into mouth 54, mould base maintaining part 55, and be in the bottom forming section 56 of the center upper portion of

metal pattern

51,52, in addition, be provided with the cam mechanism 57 that forms bottom side recess 8,9 by protruding in the die cavity 53 at bottle 1 in metal pattern 52 sides.

Cam mechanism 57 is described in more detail below.This cam mechanism 57 comprises

cam

60,61 and cylinder up and down 64,65 up and down,

cam

60,61 symmetry and can installing freely to rotate on the

fulcrum

58,59 of upper and lower settings up and down, should

cylinder

64,65 up and down be used for respectively by connecting

rod

62,63 make should about

cam

60,61 be center steering with

fulcrum

58,59.

Form the recessed forming part 60a in bottom side, 61a towards upper and lower to ground respectively at above-mentioned up and down

cam

60,61, the recessed forming section 60a in this bottom side, 61a install forming section 53a from the handle of the bottle body 2 that is formed at die cavity 53 and free in and out in die cavity 53.

Below according to the process of Figure 11 (A)～(F) explanation by the bottle manufacturing installation shaping bottle of above explanation.(A) be blown into the state that base a is moulded in mouthful 54 installations for air at device.At this moment,

cylinder

64,65 up and down retreats respectively, and the recessed forming section 60a in the bottom side of

cam

60,61,61a retreat in die cavity 53 up and down.

Then, shown in (B), like that,, mould base a and begin to expand from the figure middle and lower part along die cavity 53 when pressure-air is blown into when moulding in the base a by extension rod 66.

Like that, blow shown in (C), extension rod 66 rises, and moulding the moment of base a before being about to come the position of the recessed forming section 61a in bottom side of cam 61 down after the expansion, following cylinder 65 starts be that the center makes down cam 61 turn round towards counter clockwise direction with fulcrum 59.As a result, the recessed forming section 61a in bottom side protrudes in the die cavity 53, bottom side recess 8 in the shaping.

Then, such shown in (D), extension rod 66 further rises, continue to blow, during moulding base a and cross the recessed forming section 60a in the bottom side of overhead cam 60 after the expansion, upper cylinder half 64 starts, overhead cam 60 is that the center is turned round toward the clockwise direction with fulcrum 58, the recessed forming section 60a in bottom side protrudes in the die cavity 53, and the recessed forming section 60a in bottom side bites into moulding in the base a of expansion.As a result, bottom side recess 8 in the shaping.

Then, like that, extension rod 66 further rises shown in (E), blows, and is final such shown in (F), will mould base a and form in bottle 1 in die cavity 53.

Cam

60,61 kept its position before this bottle is shaped end and cooling end up and down, after cooling finishes,

cylinder

64,65 up and down retreats simultaneously, and make up and down

cam

60,61 breaks away from the recessed forming section 60a in bottom side, 61a towards turning round respectively with previous opposite direction in die cavity 53.

After this,

open metal pattern

51,52, in die cavity 53, take out the bottle 1 that is shaped.

According to the present invention, drive the revolution of

cam

60,61 up and down by each

cylinder

64,65, so type of drive staggers revolution constantly when can pass by relatively.

The result, in the shaping of the bottom side of bottle 1

recess

8,9, on being shaped during the recess 8 of bottom side, mould base a come before the recessed forming section 60a in bottom side protrude to wait, but moulding base a just by protrusion after the recessed forming section 60a in bottom side of overhead cam 60, bottom side recess 8 in the shaping, so last bottom side recess 8 is also same with following bottom side recess 9, can be shaped has the pit of desired depth and shape, as a result, can form the last bottom side recess 8 that is difficult for deviating from.

According to the present invention, Blow molding bottle with handles support plate when preventing to install or makes it in line or towards the negative direction bending towards move left and right, thereby realizes the reinforcement of bearing strength.As a result, though the problem of the forming accuracy of the normal generation of bottle in the past, thin-walled causes easily deformable, and handle is easy to break away from from bottle, according to the present invention, because support plate is stable, so the installation strength height of handle has the effect that is difficult for deviating from.

In addition, in the manufacturing installation of bottle of the present invention,, make its start in the best time by the effect that the bottom side is recessed into the cylinder of the cam that shape uses is set respectively, so, the degree of depth and the shape of the pit of bottom side recessed (bottom side recess under in bottle being) on the bottom side recess particularly is shaped as design.As a result, the bad handle that causes of the shaping of bottom side recess is easy to throw off such shortcoming disappearance.

Claims

1. the manufacturing installation of a Blow molding bottle with handles, the structure of this Blow molding bottle with handles is at the part shaping bottom side of the outer surface of the body portion of bottle body recess, mounting knob between this bottom side recess; It is characterized in that: control the cam that the bottom side is recessed into the upper and lower that shape uses respectively by the cylinder that is provided with respectively, simultaneously, expand mould base be about to contact cam before or start side by side substantially, the cam on top is about to by before the cam on this top or by the time start of while substantially at the base of moulding that expands by air blowing, thereby the degree of depth of the pit of the bottom side recess about can making is identical substantially with shape, increases the installation strength of handle.