阅读说明：本技术 一种吹塑塑料成型模具 (A kind of blow molded plastic molding die ) 是由 吴振飞 廉静 于 2019-09-05 设计创作，主要内容包括：本发明涉及一种吹塑塑料成型模具,包括安装板、左模和右模,所述安装板上端通过滑动配合的方式左右对称安装有左模和右模,且左模和右模为大小、结构均相同的结构。本发明提供的一种吹塑塑料成型模具,可以解决现有吹塑模具在实际加工生产过程中,通常一个吹塑模具只能吹塑出一种形状的塑料制品,当需要加工相同规格不同外形的产品时,需要更换内腔结构不同的吹塑模具,更换过程繁琐,且制造相同规格、不同内腔结构的吹塑模具所需的周期长、成本高等问题。(The present invention relates to a kind of blow molded plastic molding die, including mounting plate, left mould and right mould, the mounting plate upper end has been left and right symmetrically arranged left mould and right mould by way of being slidably matched, and left mould and right mould are size, structure structure all the same.A kind of blow molded plastic molding die provided by the invention, existing blow mold be can solve in actual processing production process, a usual blow mold can only be blow molded out a kind of plastic products of shape, when needing to process the product of same size difference shape, need replacing the different blow mold of inner-cavity structure, the problems such as replacement process is cumbersome, and the period needed for the blow mold of manufacture same size, different inner-cavity structures is long, at high cost.)

1. a kind of blow molded plastic molding die, including mounting plate (1), Zuo Mo (2) and right mould (3), it is characterised in that: the installation Plate (1) upper end has been left and right symmetrically arranged Zuo Mo (2) and right mould (3) by way of being slidably matched, and Zuo Mo (2) and right mould (3) are Size, structure structure all the same；Wherein:

The left mould (2) includes shell (21), mould changing device (22) and molding die (23), and mounting plate (1) upper end passes through sliding The mode of cooperation is equipped with shell (21), and shell (21) is internally provided with mould changing device (22), the setting of mould changing device (22) right end There are molding die (23)；

The mould changing device (22) includes rotating electric machine (221), Geneva mechanism (222), installation axle (223) and hubcap (224), Rotating electric machine (221) is mounted on shell (21) inside by motor mount, and rotating electric machine (221) upper end is provided with Geneva mechanism (222), Geneva mechanism (222) right end is provided with installation axle (223), and installation axle (223) bottom is mounted on shell by bearing (21) on, the mode that installation axle (223) upper end is connected through a screw thread is equipped with hubcap (224)；

The molding die (23) includes set of molds (231), upper mold (232) and lower die (233), and installation axle (223) is provided with mould Tool group (231), shell (21) inner top side are welded with upper mold (232) by welding, and upper mold (233) lower end is provided with two A guide post, and upper mold (233) is opened up there are four through-hole, shell (21) inside lower end is welded with lower die (233), upper mold (232) Set of molds (231) are provided between lower die (233)；

The set of molds (231) includes flat-die (231a), trapezoidal mould (231b), interior cavity plate (231c) and semicircle mould (231d), peace Its circumferential direction of dress axis (223) upper end edge is uniformly equipped with flat-die (231a), trapezoidal mould (231b), interior cavity plate (231c) and semicircle mould The section of (231d), flat-die (231a) are in rectangle from top to bottom, and the middle part of trapezoidal mould (231b) is uniformly provided with ladder from top to bottom The middle part of shape annular incision, interior cavity plate (231c) is recessed inwardly, and the middle part of semicircle mould (231d) is evenly arranged with from top to bottom Semi-circular cut-out.

2. a kind of blow molded plastic molding die according to claim 1, it is characterised in that: the mounting plate (1) includes bottom Plate (11) and two electric pushrods (12), bottom plate (11) left and right sides is symmetrically arranged with electric pushrod (12), and Zuo Mo (2) and the right side Mould (3) lower end is mounted on electric pushrod (12).

3. a kind of blow molded plastic molding die according to claim 1, it is characterised in that: Geneva mechanism (222) packet Cutaway disk (2221), sheave (2222), straight pin (2223) and pivoted arm (2224) are included, on the output shaft of rotating electric machine (221) End is equipped with cutaway disk (2221), and installation axle (223) lower end is welded with sheave (2222), sheave by welding (2222) it is equipped with by way of being slidably matched straight pin (2223) in notch, straight pin (2223) and cutaway disk (2221) it is connected between by pivoted arm (2224), pivoted arm (2224) is welded on cutaway disk (2221) lower end.

4. a kind of blow molded plastic molding die according to claim 1, it is characterised in that: the installation axle (223) includes Optical axis (2231), threaded hole (2232), four T-shaped blocks (2233) and four T slot connecting rods (2234), the upper end of optical axis (2231) It offers threaded hole (2232), its circumferential direction of optical axis (2231) upper end edge is uniformly arranged there are four T-shaped block (2233), T-shaped block (2233) set is equipped with T slot connecting rod (2234) by way of being slidably matched on, and T slot connecting rod (2234) is by welding It is welded on flat-die (231a), trapezoidal mould (231b), interior cavity plate (231c) and semicircle mould (231d).

5. a kind of blow molded plastic molding die according to claim 1, it is characterised in that: in the middle part of the hubcap (224) Counter sink is offered, and hubcap (224) offers T-slot, T-shaped block (2233) is mounted on T shape by way of being slidably matched In slot, hubcap (224) is fixed on installation axle (223) upper end by way of being threadedly engaged by screw.

6. a kind of blow molded plastic molding die according to claim 1, it is characterised in that: the flat-die (231a), trapezoidal Mould (231b), interior cavity plate (231c) and the upper end semicircle mould (231d) offer arc groove and four through-holes, and flat-die (231a), Trapezoidal mould (231b), interior cavity plate (231c) and the lower end semicircle mould (231d) are respectively provided with there are two guide pin.

7. a kind of blow molded plastic molding die according to claim 1, it is characterised in that: open lower die (233) upper end Equipped with arc groove, lower die (233) upper end is opened up there are four screw hole, be type chamber on the outside of arc groove, and guide pin, which passes through, to be slidably matched Mode is arranged in arc groove.

Technical field

The present invention relates to plastic products processing technique field, specifically a kind of blow molded plastic molding die.

Background technique

Blow molding is also referred to as hollow blow molding, is a kind of plastic working method quickly grown.Plastics suitable for blow molding have poly- second Alkene, polyvinyl chloride, polypropylene, polyester etc..Well-known blow molding object has bottle, bucket, tank, case and all packaged foods, drink Material, cosmetics, drug and daily necessities container.And the shape of blow-molded article depends on the type chamber of blow mold, existing blow molding die Tool mostly uses the structures such as left and right mould, upper and lower mould greatly, and blow mold is many kinds of, and inner-cavity structure is more complex.

Existing blow mold is commonly present following problems when actual processing produces in operation:

For existing blow mold in actual processing production process, a usual blow mold can only be blow molded out a kind of shape Plastic products need replacing the different blow mold of inner-cavity structure, more when needing to process the product of same size difference shape Change that process is cumbersome, and the period needed for manufacturing the blow mold of same size, different inner-cavity structures is long, at high cost.

In order to make up for the deficiencies of the prior art, the present invention provides a kind of blow molded plastic molding dies.

Summary of the invention

The present invention to be solved the used following technical scheme of its technical problem to realize: a kind of blow molded plastic shaping mould Tool, including mounting plate, left mould and right mould, the mounting plate upper end be left and right symmetrically arranged by way of being slidably matched left mould and The structure that right mould, left mould and right mould are size, structure is all the same；Wherein:

The left mould includes shell, mould changing device and molding die, and mounting plate upper end is installed by way of being slidably matched There is shell, interior of shell is provided with mould changing device, and mould changing device right end is provided with molding die.

The mould changing device includes rotating electric machine, Geneva mechanism, installation axle and hubcap, and rotating electric machine is installed by motor Inside the housing, rotating electric machine upper end is provided with Geneva mechanism, and Geneva mechanism right end is provided with installation axle, installation axle bottom for seat installation Portion is installed on the shell by bearing, and the mode that installation axle upper end is connected through a screw thread is equipped with hubcap, when specific works, is led to Rotating electric machine rotation is crossed, so that Geneva mechanism is driven to rotate, so that installation axle synchronous rotary, and then molding die is changed Mould.

The molding die includes set of molds, upper die and lower die, and installation axle is provided with set of molds, the side that upper mold passes through welding Formula is welded on shell inner top side, and there are two guide posts for the setting of upper mold lower end, and guide post plays limition orientation, and upper mold is opened If shell inside lower end is welded with lower die there are four through-hole, it is provided with set of molds between upper die and lower die, when specific works, leads to It crosses upper die and lower die and set of molds forms complete cavity, so that blow molding function carries out blow molding processing to by mold, pass through Mould changing device, so that the type chamber that set of molds replacement structure is different, so that blow molding processes plastic bottle of different shapes, and shaping mould Tool is made of set of molds, upper die and lower die, has gap between upper mold and set of molds and lower die and set of molds, close by solar heat protection Gap is filled to and flushes with type chamber by sealing, remains excessive clout in blow-molding process on plastic bottle to reduce.

The set of molds includes flat-die, trapezoidal mould, interior cavity plate and semicircle mould, its circumferential direction of installation axle upper end edge is uniformly equipped with Flat-die, trapezoidal mould, interior cavity plate and semicircle mould, the section of flat-die are in rectangle from top to bottom, form identical diameter from top to bottom, ladder The middle part of shape mould is uniformly provided with trapezoidal annular incision from top to bottom, and the middle part of interior cavity plate is recessed inwardly, the middle part of semicircle mould It is evenly arranged with semi-circular cut-out from top to bottom, when specific works, when forming full die by flat-die and upper die and lower die, blows Modeling processes the plastic bottle of smooth surface, when needing blow molding to process the different plastic bottle of other surface shapes, passes through electric rotating Machine drives Geneva mechanism rotation, so that installation axle synchronous rotary, so that installation axle upper end is equipped with flat-die, trapezoidal mould, interior Cavity plate and semicircle mould rotation, and then replace upper die and lower die between set of molds type chamber so that blow molding process it is of different shapes Surface.

As a preferred technical solution of the present invention, the mounting plate includes bottom plate and two electric pushrods, and bottom plate is left Right two sides are symmetrically arranged with electric pushrod, and left mould and right mould lower end are mounted on electric pushrod, when specific works, by electronic Push rod drives left mould to move toward one another with right mould, so that molding die molds, after the completion of molding, blow moulding equipment blows type chamber Gas, to be blow molded out the plastic bottle of cavity shape.

As a preferred technical solution of the present invention, the Geneva mechanism includes cutaway disk, sheave, straight pin and turns Arm, the output shaft upper end of rotating electric machine are equipped with cutaway disk, and installation axle lower end is welded with sheave, sheave by welding Notch in straight pin is installed by way of being slidably matched, be connected between straight pin and cutaway disk by pivoted arm, pivoted arm It is welded on cutaway disk lower end, when specific works, is rotated by rotating electric machine, to drive cutaway disk to rotate, so that welding Pivoted arm in cutaway disk lower end drives straight pin rotation, so that straight pin slides in the notch of sheave, so that welding with sheave The installation axle rotation connect, so that the set of molds being equipped with to installation axle upper end changes the mold, and gear there are four sheave settings, four A gear is corresponding with flat-die, trapezoidal mould, interior cavity plate and semicircle mould respectively, so that mould changing device is more accurate in mold changing.

As a preferred technical solution of the present invention, the installation axle includes optical axis, threaded hole, four T-shaped blocks and four A T slot connecting rod, the upper end of optical axis offer threaded hole, its circumferential direction of optical axis upper end edge is uniformly arranged that there are four T-shaped block, T-shaped blocks Upper set by way of being slidably matched be equipped with T slot connecting rod, T slot connecting rod be welded on by welding flat-die, trapezoidal mould, Interior cavity plate and semicircle mould, when specific works, the T slot connecting rod that flat-die, trapezoidal mould, interior cavity plate and semicircle mould pass through welding is arranged It in T-shaped block, is fitted by hubcap and optical axis, so that T slot connecting rod is fixed on installation axle upper end, and T slot connecting rod Dismountable structure between T-shaped block increases the shape that molding die processes so that the type chamber in set of molds is replaceable.

As a preferred technical solution of the present invention, counter sink is offered in the middle part of the hubcap, and hubcap opens up There is T-slot, T-shaped block is mounted in T-slot by way of being slidably matched, and screw consolidates hubcap by way of being threadedly engaged It is scheduled on installation axle upper end, and hubcap is set in installation axle upper end, hubcap is fixed by counter sink and threaded hole using screw.

As a preferred technical solution of the present invention, the flat-die, trapezoidal mould, interior cavity plate and semicircle mould upper end are offered Arc groove and four through-holes, cooperation between arc groove and guide post play limition orientation to set of molds, and flat-die, trapezoidal Mould, interior cavity plate and semicircle mould lower end are respectively provided with there are two guide pin.

As a preferred technical solution of the present invention, the lower die upper end offers arc groove, and lower die upper end offers Upper mold, set of molds and lower die are carried out limit by bolt and locked, be type chamber on the outside of arc groove by four screw holes, and guide pin passes through The mode being slidably matched is arranged in arc groove, and being slidably matched between arc groove and guide pin plays limition orientation to set of molds Effect.

Compared with prior art, the invention has the following advantages that

1. a kind of blow molded plastic molding die provided by the invention, by being provided with mould changing device, to the mould in set of molds Tool is replaced, to process the plastic bottle of different surfaces shape, replacement molding die is without dismantling mold, replacement process letter It is single quick, and when the blow mold of manufacture same size, different inner-cavity structures, it need to only manufacture the different portion of mold intermediate structure Point, upper mold and lower die reduce cost, shorten the manufacturing cycle without manufacture；

2. a kind of blow molded plastic molding die provided by the invention, by the way that four gears of sheave, and four gears are arranged It is corresponding with flat-die, trapezoidal mould, interior cavity plate and semicircle mould respectively, so that mould changing device is more acurrate when changing the mold to set of molds；

3. a kind of blow molded plastic molding die provided by the invention, by the T-shaped block of setting and T slot connecting rod by set of molds It is installed in installation axle in a manner of being slidably matched, so that the mold in set of molds is replaceable at any time, so that molding die The different plastic bottle of more shapes can be processed.

Detailed description of the invention

Present invention will be further explained below with reference to the attached drawings and examples.

Fig. 1 is main view of the invention；

Fig. 2 is cross-sectional view of bowing of the invention；

Fig. 3 is the structural schematic diagram between inventive die group, hubcap and T slot connecting rod；

Fig. 4 is the structural schematic diagram between installation axle of the present invention and Geneva mechanism；

Fig. 5 is the N structural schematic diagram of hubcap of the present invention；

Fig. 6 is the structural schematic diagram between flat-die and T slot connecting rod of the present invention；

Fig. 7 is the planar structure schematic diagram of lower die of the present invention；

Fig. 8 is the structural schematic diagram between upper mold of the present invention, flat-die and lower die；

Fig. 9 is the structural schematic diagram between upper mold of the present invention, trapezoidal mould and lower die；

Figure 10 is the structural schematic diagram between upper mold of the present invention, interior cavity plate and lower die；

Figure 11 is the structural schematic diagram between upper mold of the present invention, semicircle mould and lower die.

Specific embodiment

In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below Fig. 1 to Figure 11 is closed, the present invention is further elaborated.

A kind of blow molded plastic molding die, including mounting plate 1, Zuo Mo 2 and right mould 3,1 upper end of mounting plate pass through sliding The mode of cooperation has been left and right symmetrically arranged left mould 2 and right mould 3, Zuo Mo 2 and the structure that right mould 3 is size, structure is all the same；Its In:

The left mould 2 includes shell 21, mould changing device 22 and molding die 23, and mounting plate 1 upper end, which passes through, to be slidably matched Mode is equipped with shell 21, and shell 21 is internally provided with mould changing device 22, and 22 right end of mould changing device is provided with molding die 23.

The mould changing device 22 includes rotating electric machine 221, Geneva mechanism 222, installation axle 223 and hubcap 224, electric rotating Machine 221 is mounted on inside shell 21 by motor mount, and 221 upper end of rotating electric machine is provided with Geneva mechanism 222, Geneva mechanism 222 right ends are provided with installation axle 223, and 223 bottom of installation axle is mounted on shell 21 by bearing, and 223 upper end of installation axle passes through The mode of threaded connection is equipped with hubcap 224, when specific works, is rotated by rotating electric machine 221, to drive Geneva mechanism 222 rotations, so that 223 synchronous rotary of installation axle, and then molding die 23 is changed the mold.

The molding die 23 includes set of molds 231, upper mold 232 and lower die 233, and installation axle 223 is provided with set of molds 231, upper mold 232 is welded on 21 inner top side of shell by welding, and there are two guide posts for the setting of 233 lower end of upper mold, leads The effect of Xiang Zhuqi limition orientation, and upper mold 233 is opened up there are four through-hole, 21 inside lower end of shell is welded with lower die 233, upper mold It is provided with set of molds 231 between 232 and lower die 233, when specific works, passes through upper mold 232 and lower die 233 and 231 shape of set of molds At complete cavity, so that blow molding function carries out blow molding processing to by mold, by mould changing device 22, so that set of molds The 231 different type chambers of replacement structures, so that blow molding processes plastic bottle of different shapes, and molding die 23 by set of molds 231, Upper mold 232 and lower die 233 form, and have gap between upper mold 232 and set of molds 231 and lower die 233 and set of molds 231, lead to It crosses solar heat protection sealant and is filled to gap and flushed with type chamber, remain excessive clout in blow-molding process on plastic bottle to reduce.

The set of molds 231 includes flat-die 231a, trapezoidal mould 231b, interior cavity plate 231c and semicircle mould 231d, installation axle 223 Its section for being circumferentially uniformly equipped with flat-die 231a, trapezoidal mould 231b, interior cavity plate 231c and semicircle mould 231d, flat-die 231a of upper end edge Face is in rectangle from top to bottom, forms identical diameter from top to bottom, and the middle part of trapezoidal mould 231b is uniformly provided with ladder from top to bottom The middle part of shape annular incision, interior cavity plate 231c is recessed inwardly, and the middle part of semicircle mould 231d is evenly arranged with semicircle from top to bottom Shape notch, when specific works, when forming full die by flat-die 231a and upper mold 232 and lower die 233, blow molding processes surface Smooth plastic bottle passes through rotating electric machine 221 and drives sheave when needing blow molding to process the different plastic bottle of other surface shapes Mechanism 222 rotates, so that 223 synchronous rotary of installation axle, so that 223 upper end of installation axle is equipped with flat-die 231a, trapezoidal mould 231b, interior cavity plate 231c and semicircle mould 231d rotation, and then the type chamber of set of molds 231 between upper mold 232 and lower die 233 is replaced, So that blow molding processes surface of different shapes.

The mounting plate 1 includes bottom plate 11 and two electric pushrods 12, is symmetrically arranged with electronic push away at left and right sides of bottom plate 11 Bar 12, and left mould 2 and 3 lower end of right mould are mounted on electric pushrod 12 when specific works, drives left mould 2 by electric pushrod 12 It is moved toward one another with right mould 3, so that molding die 23 molds, after the completion of molding, blow moulding equipment blows to type chamber, to be blow molded The plastic bottle of cavity shape out.

The Geneva mechanism 222 includes cutaway disk 2221, sheave 2222, straight pin 2223 and pivoted arm 2224, electric rotating The output shaft upper end of machine 221 is equipped with cutaway disk 2221, and 223 lower end of installation axle is welded with sheave by welding 2222, the notch of sheave 2222 is interior to be equipped with straight pin 2223, straight pin 2223 and cutaway disk by way of being slidably matched It is connected between 2221 by pivoted arm 2224, pivoted arm 2224 is welded on 2221 lower end of cutaway disk, when specific works, passes through electric rotating Machine 221 rotates, to drive cutaway disk 2221 to rotate, so that the pivoted arm 2224 for being welded on 2221 lower end of cutaway disk drives circle Pin 2223 rotates, so that straight pin 2223 slides in the notch of sheave 2222, so that the installation axle welded with sheave 2222 223 rotations, so that the set of molds 231 being equipped with to 223 upper end of installation axle changes the mold, and gear there are four sheave settings, four A gear is corresponding with flat-die 231a, trapezoidal mould 231b, interior cavity plate 231c and semicircle mould 231d respectively, so that mould changing device 22 exists It is more accurate when mold changing.

The installation axle 223 includes optical axis 2231,2232, four T-shaped blocks 2233 of threaded hole and four T slot connecting rods 2234, the upper end of optical axis 2231 offers threaded hole 2232, its circumferential direction of 2231 upper end edge of optical axis is uniformly arranged that there are four T-shaped blocks 2233, set is equipped with T slot connecting rod 2234 by way of being slidably matched in T-shaped block 2233, and T slot connecting rod 2234 passes through welding Mode is welded on flat-die 231a, trapezoidal mould 231b, interior cavity plate 231c and semicircle mould 231d, flat-die 231a, trapezoidal when specific works The T slot connecting rod 2234 that mould 231b, interior cavity plate 231c and semicircle mould 231d pass through welding is set in T-shaped block 2233, is passed through Hubcap 224 fits with optical axis 2231, so that T slot connecting rod 2234 is fixed on 223 upper end of installation axle, and T slot connecting rod Dismountable structure between 2234 and T-shaped block 2233 increases molding die 23 and adds so that the type chamber in set of molds 231 is replaceable The shape that work goes out.

Counter sink is offered in the middle part of the hubcap 224, and hubcap 224 offers T-slot, T-shaped block 2233 passes through cunning The mode of dynamic cooperation is mounted in T-slot, and hubcap 224 is fixed in installation axle 223 by screw by way of being threadedly engaged End, hubcap 224 are set in 223 upper end of installation axle, are consolidated hubcap 224 by counter sink and threaded hole 2232 using screw It is fixed.

The flat-die 231a, trapezoidal mould 231b, interior cavity plate 231c and the upper end semicircle mould 231d offer arc groove and four Through-hole, the cooperation between arc groove and guide post play limition orientation, and flat-die 231a, trapezoidal mould to set of molds 231 231b, interior cavity plate 231c and the lower end semicircle mould 231d are respectively provided with there are two guide pin.

233 upper end of lower die offers arc groove, and 233 upper end of lower die is opened up there are four screw hole, by bolt by upper mold 232, set of molds 231 and lower die 233 limit locked, are type chamber on the outside of arc groove, guide pin is by way of being slidably matched It is arranged in arc groove, being slidably matched between arc groove and guide pin plays limition orientation to set of molds 231.

When work:

S1. it selects molding die 23: being rotated by rotating electric machine 221, so that Geneva mechanism 222 is driven to rotate, set of molds 231 rotate synchronously, and then change the mold to molding die 23, when position is corresponding between upper mold 232, set of molds 231 and lower die 233 Afterwards, limit will be carried out between three by bolt to lock；

S2. it blocks:, will be between 233 three of upper mold 232, set of molds 231 and lower die by solar heat protection sealant after completing mold changing Gap be filled to and flushed with type chamber；

S3. it molds: after the completion of closure, driving left mould 2 to move toward one another with right mould 3 respectively by two electric pushrods 12, make It obtains molding die 23 and forms closing inner chamber, complete molding, start to carry out blow molding processing；

S4. blanking: after completing blow molding processing, two electric pushrods 12 drive left mould 2 to move round about with right mould 3, So that molding die 23 divides mould, the plastic bottle after the completion of blow molding is removed；

S5. step S1 to S4 is repeated, the plastic bottle of different shapes is processed in blow molding.

The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should Understand, the present invention is not limited to the above embodiments, and only illustrating for the description in above embodiments and description is of the invention Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these change and change Into all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent It defines.