CN206501417U - Mould cup lid blow molding die - Google Patents

Abstract

The utility model is related to cup field, especially a kind of modeling cup lid blow molding die.One kind modeling cup lid blow molding die, including：Upper mould, lower mould, heater；Described upper mould includes：Die body provided with venting cavity, blank compression leg, the breather pipe that one end is connected with venting cavity and the other end is stretched out outside die body；The lower end of die body is more than blank compression leg diameter and the passage connected with venting cavity provided with diameter；The upper end of blank compression leg is connected through passage and with die body；Lower mould upper end is provided with cup lid forming cavity；Cup lid forming cavity includes：Big end is positioned at the upper taper type section of lower mould upper end, the orientation section that outside has arc convex and upper end is connected with upper taper type section small end, the lower taper type section that small end is connected with orientation section lower end, the cup lid top section that upper end is connected with lower taper type Duan great Duan；During matched moulds, in blank compression leg lower end insertion cup lid forming cavity.The modeling cup lid blow molding die is simple in construction to be applied to modeling cup lid blow molding.

Description

Mould cup lid blow molding die

Technical field

The utility model is related to cup field, especially a kind of modeling cup lid blow molding die.

Background technology

It is a kind of modeling cup lid 23 for stacking and being difficult panelling shown in accompanying drawing 2, the modeling cup lid 23 includes top and is provided with counterbore 24 Cup lid top 25, lower support back-up ring 26, upper supporting back-up ring 27, directed side circle 28, the frustum that small end is connected with the lower end of directed side circle 28 Shape guide collar 29；When modeling cup lid is stacked, the lower support back-up ring of a modeling cup lid supports the upper supporting back-up ring of another modeling cup lid, When stacking cup lid will not panelling take conveniently, directed side circle coordinates with taper type guide collar, when stacking modeling cup lid radially from The dynamic positive positioning of pipe.A kind of blow molding die of Chinese Patent Application No. CN201110264401.4 disclosure of the invention, including：At least two Mold members：Accommodate the mould support housing of mold members；At least it is used for the mold support device that support mode supports housing；For beating The motion drive of open and close blow molding die：And locking device, it is at least relative to mould support on die cavity axis direction Housing is adjustable, and the mold members are supported for the blow molding die being locked and closed and for overcoming the power in blow molding operation, Wherein, locking device includes at least one locking bushing, and locking bushing at least has the taper manufactured with high tensile strength fibrous material Inwall, locking bushing can be slided and with lock mode in mould with inwall on the conical outer surface region of mould support housing Support mode part in the basic whole height of chamber.The blow molding die, which exists, complicated is not suitable for modeling cup lid blow molding not Foot, therefore, designs a kind of modeling cup lid blow molding die simple in construction for being applied to modeling cup lid blow molding, is asked as urgently to be resolved hurrily Topic.

Utility model content

The purpose of this utility model be in order to overcome current blow molding die exist it is complicated be not suitable for modeling cup lid blowing There is provided a kind of modeling cup lid blow molding die simple in construction for being applied to modeling cup lid blow molding for the deficiency of shaping.

One kind modeling cup lid blow molding die, including：Upper mould, lower mould, heater；Described upper mould includes：Provided with venting cavity Die body, blank compression leg, the breather pipe that one end is connected with venting cavity and the other end is stretched out outside die body；The lower end of die body is big provided with diameter In blank compression leg diameter and the passage that is connected with venting cavity；The upper end of blank compression leg is connected through passage and with die body；Under Mould upper end is provided with cup lid forming cavity；Cup lid forming cavity includes：Big end is positioned at the upper taper type section of lower mould upper end, and outside has arc The orientation section that raised and upper end is connected with upper taper type section small end, the lower taper type section that small end is connected with orientation section lower end, upper end The cup lid top section connected with lower taper type Duan great Duan；During matched moulds, in blank compression leg lower end insertion cup lid forming cavity.Mould cup lid blowing Mould covers cup lid forming cavity in use, disc-shaped blank is placed on into upper mould upper end, during matched moulds, and blank compression leg lower end is withstood blank and inserted Enter in cup lid forming cavity, heater is by blank heating to soft state, the compressed air being passed through from breather pipe, through venting cavity, Passage is blown out, and is made blank inflation and is close to cup lid shaping cavity wall and obtains moulding cup lid through cooling and demolding.The modeling cup lid is blow molded Mode structure is simply applied to modeling cup lid blow molding.

Preferably, described upper mould lower end is provided with the backgauge conical ring being coaxially disposed with blank fore-set；Backgauge conical ring it is big End is located at upper end；The diameter at the big end of backgauge conical ring is less than the diameter of cup lid forming cavity upper end；During matched moulds, the insertion of backgauge conical ring lower end Cup lid forming cavity upper end.During matched moulds, backgauge conical ring lower end outside enclosing is lived on the inside of blank upper limb and is insert molded counterbore upper end, make from The compressed air of passage blowout is blown on the inside of blank, and folding is close to beneficial to blank inflation and is molded cavity wall in cup lid.

Preferably, described cup lid top section bottom is provided with round boss；Blank compression leg lower end is provided with ball-cut shape pressure head；Ball The bottom for lacking type pressure head is provided with the plane relative with round boss.The strength and stiffness of the modeling cup lid after shaping are improved, and make modeling It is steady when cup lid is stacked.

Preferably, described heater includes：Lower heating dress in lower mould and on the outside of cup lid forming cavity Put, the upper heater located at upper mould lower end, the compression leg heater in blank compression leg.The efficiency of heating surface is high and heating is equal It is even.

Preferably, described upper mould lower end is provided with several guide pillars；Lower mould is identical with guide pillar number and one provided with number One corresponding guide hole.Guide pillar and guide hole improve the closing precision of upper die and lower die.

Compared with prior art, the beneficial effects of the utility model are：The modeling cup lid blow molding die is simple in construction to be applied to modeling Cup lid blow molding.During matched moulds, backgauge conical ring lower end outside enclosing is lived on the inside of blank upper limb and is insert molded counterbore upper end, is made from logical The compressed air of stomata blowout is blown on the inside of blank, and folding is close to beneficial to blank inflation and is molded cavity wall in cup lid.Cup lid top Section bottom is provided with round boss, and blank compression leg lower end is provided with ball-cut shape pressure head, and the bottom of ball-cut shape pressure head is provided with and round boss Relative plane, improves the strength and stiffness of the modeling cup lid after shaping, and steady when stacking modeling cup lid.Heater includes, Lower heater, upper heater and compression leg heater, efficiency of heating surface height and homogeneous heating.Guide pillar and guide hole improve upper mould and The closing precision of lower mould.

Brief description of the drawings

Fig. 1 is a kind of structural representation of the present utility model；

Fig. 2 is the structural representation for moulding cup lid.

In figure：Upper mould 1, lower mould 2, venting cavity 3, die body 4, blank compression leg 5, breather pipe 6, passage 7, cup lid forming cavity 8, Upper taper type section 9, arc convex 10, orientation section 11, lower taper type section 12, cup lid top section 13, backgauge conical ring 14, round boss 15th, ball-cut shape pressure head 16, plane 17, lower heater 18, upper heater 19, compression leg heater 20, guide pillar 21, guide hole 22nd, modeling cup lid 23, counterbore 24, cup lid top 25, lower support back-up ring 26, upper supporting back-up ring 27, directed side circle 28, taper type guide collar 29。

Embodiment

As shown in accompanying drawing 1, accompanying drawing 2：One kind modeling cup lid blow molding die, including：Upper mould 1, lower mould 2, heater；Described Upper mould 1 includes：Die body 4 provided with venting cavity 3, blank compression leg 5, one end is connected with venting cavity 3 and the other end is stretched out outside die body 4 Breather pipe 6；The lower end of die body 4 is more than the diameter of blank compression leg 5 and the passage 7 connected with venting cavity 3 provided with diameter；Blank compression leg 5 upper end is connected through passage 7 and with die body 4；The lower upper end of mould 2 is provided with cup lid forming cavity 8；Cup lid forming cavity 8 includes：Big end Upper taper type section 9 positioned at the lower upper end of mould 2, outside has arc convex 10 and upper end and determining that upper taper type 9 small ends of section are connected To section 11, the lower taper type section 12 that small end is connected with orientation section 11 lower end, the cup lid connected is held greatly in upper end with lower taper type section 12 Push up section 13；During matched moulds, in the lower end of blank compression leg 5 insertion cup lid forming cavity 8.The diameter of passage 7 is less than the upper end of cup lid forming cavity 8 Diameter.

The described lower end of upper mould 1 is provided with the backgauge conical ring 14 being coaxially disposed with blank fore-set；The big end position of backgauge conical ring 14 In upper end；The diameter that backgauge conical ring 14 is held greatly is less than the diameter of the upper end of cup lid forming cavity 8；During matched moulds, the lower end of backgauge conical ring 14 is inserted Enter the upper end of cup lid forming cavity 8.

Described cup lid top 13 bottoms of section are provided with round boss 15；The lower end of blank compression leg 5 is provided with ball-cut shape pressure head 16；Segment The bottom of type pressure head 16 is provided with the plane 17 relative with round boss.

Described heater includes：In lower mould 2 and positioned at the lower heater 18 in the outside of cup lid forming cavity 8, if Upper heater 19 in the upper lower end of mould 1, the compression leg heater 20 in blank compression leg 5.

The described lower end of upper mould 1 is provided with two guide pillars 21；Lower mould 2 provided with number it is identical with the number of guide pillar 21 and one-to-one corresponding Guide hole 22.

Described compression leg heater 20, lower heater 18 and upper heater 19 is electric heater.

Modeling cup lid blow molding die covers cup lid forming cavity 8, during matched moulds, base in use, disc-shaped blank is placed on into the upper upper end of mould 1 Material compression leg 5 lower end is withstood in blank insertion cup lid forming cavity 8, and the lower end outside enclosing of backgauge conical ring 14 lives insertion on the inside of blank outer rim The upper end of cup lid forming cavity 8；Compression leg heater 20, the heater of lower mould 2 and the heater of upper mould 1 by blank heating to softening shape State, the compressed air being passed through from breather pipe 6 is blown out through venting cavity 3, passage 7, is made blank inflation and is close to cup lid forming cavity 8 inwalls, obtain moulding cup lid 23 through cooling and demolding.

The beneficial effects of the utility model are：The modeling cup lid blow molding die is simple in construction to be applied to modeling cup lid blow molding.Close During mould, backgauge conical ring lower end outside enclosing is lived on the inside of blank upper limb and is insert molded counterbore upper end, makes the compression blown out from passage Air is blown on the inside of blank, and folding is close to beneficial to blank inflation and is molded cavity wall in cup lid.Cup lid top section bottom is provided with circle Boss, blank compression leg lower end is provided with ball-cut shape pressure head, and the bottom of ball-cut shape pressure head is provided with the plane relative with round boss, improved The strength and stiffness of modeling cup lid after shaping, and it is steady when stacking modeling cup lid.Heater includes, lower heater, it is upper plus Thermal and compression leg heater, efficiency of heating surface height and homogeneous heating.Guide pillar 21 and guide hole 22 improve the matched moulds of upper die and lower die Precision.

It is apparent to one skilled in the art that the utility model can change into various ways, and such change is not Think to depart from scope of the present utility model.All such technical staff to the field obviously change, and will include Within the scope of present claims.

Claims (5)

1. one kind modeling cup lid blow molding die, including：Upper mould, lower mould, heater；It is characterized in that, described upper mould includes：It is provided with The die body of venting cavity, blank compression leg, the breather pipe that one end is connected with venting cavity and the other end is stretched out outside die body；The lower end of die body is set There is diameter to be more than blank compression leg diameter and the passage connected with venting cavity；The upper end of blank compression leg passes through passage and and die body Connection；Lower mould upper end is provided with cup lid forming cavity；Cup lid forming cavity includes：Big end is positioned at the upper taper type section of lower mould upper end, outside The orientation section connected with arc convex and upper end with upper taper type section small end, the lower taper type that small end is connected with orientation section lower end Section, the cup lid top section that upper end is connected with lower taper type Duan great Duan；During matched moulds, in blank compression leg lower end insertion cup lid forming cavity.

2. modeling cup lid blow molding die according to claim 1, it is characterized in that, described upper mould lower end is provided with same with blank fore-set The backgauge conical ring that axle is set；The big end of backgauge conical ring is located at upper end；The diameter at the big end of backgauge conical ring is less than cup lid forming cavity upper end Diameter；During matched moulds, backgauge conical ring lower end insertion cup lid forming cavity upper end.

3. modeling cup lid blow molding die according to claim 1 or 2, it is characterized in that, described cup lid top section bottom is provided with circle Boss；Blank compression leg lower end is provided with ball-cut shape pressure head；The bottom of ball-cut shape pressure head is provided with the plane relative with round boss.

4. modeling cup lid blow molding die according to claim 1 or 2, it is characterized in that, described heater includes：Located at lower mould In and the lower heater on the outside of the cup lid forming cavity, the upper heater located at upper mould lower end, in blank compression leg Compression leg heater.

5. modeling cup lid blow molding die according to claim 1 or 2, it is characterized in that, described upper mould lower end is led provided with several Post；Lower mould is provided with number is identical with guide pillar number and one-to-one guide hole.