CN205343635U

CN205343635U - Multimode molding composition injection mold is tied to tail

Info

Publication number: CN205343635U
Application number: CN201521015691.9U
Authority: CN
Inventors: 王洪秋
Original assignee: TIANJIN KYOUEI MOULD Co Ltd
Current assignee: TIANJIN KYOUEI MOULD Co Ltd
Priority date: 2015-12-09
Filing date: 2015-12-09
Publication date: 2016-06-29
Anticipated expiration: 2025-12-09

Abstract

The utility model relates to a multimode molding composition injection mold is tied to tail comprises membrane module on the relative lock and lower membrane module, goes up the concrete structure of mould, is equipped with the last moulds that two horizontal symmetries set up admittedly in that the cope match -plate pattern middle part is embedded, and upper die groove had all been made to the terminal surface under every watered the last mould that the lower extreme corresponds, and equal symmetrical system the in four centers of watering of both sides has an unhurried current gulf, at the up end system of the last mould runner of moulding plastics, mould plastics the runner output respectively the symmetry shunt the unhurried current gulf at both sides middle part, the rethread is moulded plastics the runner and is shunted adjacent four by unhurried current gulf symmetry and water, the concrete structure of lower mould is in the embedded lower mould that is equipped with two horizontal symmetry settings admittedly in lower bolster middle part, the every type groove that lower molding has eight interval equipartitions to set up, these eight type grooves and the complete die cavity of moulding plastics of upper die groove formation sealed closed relatively. This mould adopts a plurality of die cavitys to mould plastics in step, a plurality of products of one shot forming, and machining efficiency is high, the few economize in raw materials of raw materials of runner internal loss, boost efficiency.

Description

A kind of breechblock multimode formed combination injection mold

Technical field

This utility model belongs to plastic fittings Precision Machining field, especially a kind of breechblock multimode formed combination injection mold.

Background technology

The requirement on machining accuracy of auto parts and components is very high, especially for playing sealing function and sealing member in irregular shape, multiple contact surfaces play the effect of sealing surface, especially high for requirement on machining accuracy, after generally requiring injection moulding, artificial secondary operations can be only achieved requirement again, inefficient and, die sinking stripping result is bad, even can disfiguring workpiece；Independent processing efficiency is low, and causes the wastage of material in running channel more, and existing common processing mold is difficult to reach the quality of production requirement and efficiency.

Utility model content

The purpose of this utility model is in that to overcome the deficiencies in the prior art part, it is provided that a kind of simple in construction, be easy to processing, breechblock multimode formed combination injection mold reasonable in design, easy to use.

This utility model solves it and technical problem is that and take techniques below scheme to realize:

A kind of breechblock multimode formed combination injection mold, constituted with lower mold assemblies by relatively fastening upper die component, lower mold assemblies includes die shoe, lower bolster, lower bolster and counterdie, die shoe upper end is fixed with lower bolster and lower bolster from bottom to top successively, the embedded counterdie that is fixed with in upper end in the middle part of lower bolster, counterdie upper end is shaped with type groove；Upper die component includes upper bolster, upper mould connects seat, upper padding plate, cope match-plate pattern and upper mould, upper bolster upper center is coaxially fixed with on one mould and connects seat and connect the coaxially connected injection moulding head of seat by mould on this, upper bolster lower end is fixed with upper padding plate and cope match-plate pattern from top to bottom successively, in the middle part of cope match-plate pattern, lower end is embedded is fixed with on one mould, this is shaped with in mould injection molding channel and running channel, upper mould is relative with counterdie forms the injection moulding die cavity closed when fastening on its composition surface, it is characterised in that:

The concrete structure of upper mould, the embedded upper mould being fixed with two pieces of lateral symmetry settings in the middle part of cope match-plate pattern, upper mould is rectangular cubic structure, eight running channels connected with counterdie it are shaped with uniformly at intervals in the upper surface of upper mould, upper mould lower surface corresponding to each running channel lower end is all shaped with model groove, injection molding channel it is shaped with, the injection molding channel input port end connection injection moulding head in the middle part of upper mould in the upper surface of upper mould；

The concrete structure of counterdie, the embedded counterdie being fixed with two pieces of lateral symmetry settings in the middle part of lower bolster, it is molded with eight type grooves arranged uniformly at intervals under every piece, these eight type grooves form complete injection moulding die cavity with upper model groove opposing seal Guan Bi.

And, inner chamber push rod is installed between lower bolster and die shoe, this inner chamber push rod upper end upper and lower mould with the type groove of counterdie stretches out forms the interior shape of injection moulding die cavity, is fixed with counterdie side plate between lower bolster and the die shoe outside this inner chamber push rod.

And, described injection molding channel is arc-shaped structure and is easy to water conservancy diversion, and unhurried current gulf is a circular groove structure.

Advantage of the present utility model and having the benefit effect that

1, this mould adopts multiple die cavitys to synchronize injection moulding, the multiple product of one-shot forming, and working (machining) efficiency is high, raw material uniform divided flows is in surrounding die cavity, and the raw material of runner internal loss economizes in raw materials less, raising efficiency, and die cavity periphery be symmetrically distributed with temperature control runner, good cooling results.

2, in this structure, mould is high with counterdie fitness, and injection moulding die cavity is shaped with locking mechanism and the guide frame of correspondence, and positioning precision is high, degree of stability is good, and structure is ingenious, is effectively ensured workpiece to be processed position precision in mold cavity, thus ensureing the uniformity of injection moulding, it is ensured that crudy.

3, simple in construction of the present utility model, reasonable in design, working (machining) efficiency is high, simple in construction long service life, the good stability of structure, machining accuracy is high, and is easy to the demoulding, promotes working (machining) efficiency, applied widely, is effectively ensured crudy.

Accompanying drawing explanation

Fig. 1 is structural front view of the present utility model；

Fig. 2 is the left view of Fig. 1；

Fig. 3 is the lower die structure perspective view of released state；

Fig. 4 is the upper die structure perspective view of released state；

Fig. 5 is cope match-plate pattern perspective view；

Fig. 6 is the injection molding channel structure schematic diagram of cope match-plate pattern；

Fig. 7 is lower bolster cavity positions distributed architecture schematic diagram；

Fig. 8 is the A-A sectional view in Fig. 3；

Fig. 9 is the B-B sectional view in Fig. 3；

Figure 10 is the C-C sectional view in Fig. 3；

Figure 11 is the F-F sectional view in Fig. 3.

Accompanying drawing labelling: 1 guide and limit sliding sleeve, 2 outside caging bolts, on 3, mould connects seat, 4 upper bolsters, 5 upper padding plates, 6 cope match-plate patterns, 7 lower bolsters, 8 lower bolsters, 9 counterdie side plates, 10 die shoes, 11 lubricating oil hand-holes, 12 inner chamber push rods, 13 limited impressions, mould on 14, 15 injection molding channels, 16 overflow runner, 17 shunting every, 18 running channels, 19 pilot holes, 20 temperature control runners, 21 unhurried current gulfs, 22 bolts hole, 23 counterdies, 24 type grooves, 25 counterdie side plate guide pillars, 26 upper bolster guide pillars, 27 cope match-plate pattern limited blocks, 28 lower bolster limited posts, 29 die shoe limited posts, 30 lower bolster limited blocks.

Detailed description of the invention

Below in conjunction with accompanying drawing and by specific embodiment, the utility model is described in further detail, and following example are illustrative, are not determinate, it is impossible to limit protection domain of the present utility model with this.

A kind of breechblock multimode formed combination injection mold, it is described with direction shown in accompanying drawing 1 referring to shown in accompanying drawing, constituted with lower mold assemblies by relatively fastening upper die component, fasten at upper die component and lower mold assemblies and in end face, form injection moulding die cavity, forming the workpiece of correspondence after injecting liquid material cooling and shaping, the present embodiment concrete structure is:

Lower mold assemblies includes die shoe 10, lower bolster 8, lower bolster 7 and counterdie 23, die shoe is packed on the lathe base of correspondence, die shoe upper end is fixed with lower bolster and lower bolster from bottom to top successively, and the embedded counterdie that is fixed with in upper end in the middle part of lower bolster, counterdie upper end is shaped with type groove 24；

Upper die component includes upper bolster 4, upper mould connects seat 3, upper padding plate 5, cope match-plate pattern 6 and upper mould 14, upper bolster upper center is coaxially fixed with on one mould and connects seat and connect the coaxially connected injection moulding head (not shown) of seat by mould on this, upper bolster lower end is fixed with upper padding plate and cope match-plate pattern from top to bottom successively, in the middle part of cope match-plate pattern, lower end is embedded is fixed with on one mould, this is shaped with in mould injection molding channel 15 and running channel 18, upper mould is relative with counterdie forms the injection moulding die cavity closed when fastening on its composition surface, and injection moulding die cavity connects injection molding channel by running channel.

Innovative point of the present utility model is in that:

The concrete structure of upper mould is referring to shown in accompanying drawing 4 to 6, and the embedded upper mould 14 being fixed with two pieces of lateral symmetry settings in the middle part of cope match-plate pattern, every piece of upper equal interval, mould edge is shaped with eight bolts hole 22 for installing fixing bolt；Upper mould is rectangular cubic structure, is shaped with eight running channels connected with counterdie 18 uniformly at intervals in the upper surface of upper mould, and upper mould lower surface corresponding to each running channel lower end is all shaped with model groove, and four running channel center all symmetries of both sides are shaped with a unhurried current gulf 21；It is shaped with injection molding channel 15 in the upper surface of upper mould, injection molding channel input port end connection injection moulding head in the middle part of upper mould, injection molding channel outfan is respectively symmetrically the unhurried current gulf being diverted to two middle side parts, again through injection molding channel by the gulf symmetrical flow division that flows slowly to four adjacent running channels 18.

The injection molding channel of the present embodiment is arc-shaped structure and is easy to water conservancy diversion, and unhurried current gulf is a circular groove structure, it is simple to buffering and uniform divided flows.

In order to control injection rate, the cope match-plate pattern end face outside each running channel is all shaped with the spilling runner 16 of a connection, is shaped with shunting every 17 overflowing between runner and runner, tap every the spill-out of Altitude control injection molding channel.

Longitudinal side wall at upper mould be shaped with uniformly at intervals five longitudinally through temperature control runner 20, this temperature control uniform flow passage is distributed between running channel, and the coolant in adjacent temperature control runner is in opposite direction.

Counterdie concrete structure is referring to shown in accompanying drawing 3 and accompanying drawing 7, the embedded counterdie 23 being fixed with two pieces of lateral symmetry settings in the middle part of lower bolster, being molded with eight type grooves 24 arranged uniformly at intervals under every piece, these eight type grooves form complete injection moulding die cavity with upper model groove opposing seal Guan Bi；Longitudinal side wall at counterdie be shaped with uniformly at intervals five longitudinally through temperature control runner 20, this temperature control uniform flow passage is distributed between type groove, and the coolant in adjacent temperature control runner is in opposite direction.

Inner chamber push rod 12 is installed between lower bolster and die shoe; this inner chamber push rod upper end upper and lower mould with the type groove of counterdie stretches out forms the interior shape of injection moulding die cavity; it is fixed with counterdie side plate 9 between lower bolster and die shoe outside this inner chamber push rod, protects internal activity parts；Die shoe sidewall is shaped with multiple lubricating oil hand-hole 11, and internal movable part is lubricated.

In order to ensure the axiality of upper die component and lower mold assemblies, external orientation structure is installed between lower bolster and cope match-plate pattern, shown in accompanying drawing 1 to 2, concrete structure is: on the both sides outer wall of lower bolster and cope match-plate pattern, equal symmetry is fixed with about two coaxial outside caging bolts 2, about two coaxial outside caging bolts outside cope match-plate pattern and lower bolster are all coaxially slidably fitted with a guide and limit sliding sleeve 1, restriction upper die component is upper and lower coaxially move back and forth, outside caging bolt coaxial upper and lower slip in guide and limit sliding sleeve；

In order to ensure the axiality of upper die component and lower mold assemblies, internal guide frame is installed between lower bolster and cope match-plate pattern, shown in accompanying drawing 8 to 11, concrete structure is: is respectively separated outside cope match-plate pattern, lower bolster, upper padding plate and lower bolster and is shaped with multiple pilot hole 19；

Be fixed with two counterdie side plate guide pillars 25 extended straight up at interval, counterdie side plate upper end, this counterdie side plate guide pillar guiding slides through lower bolster and the made pilot hole of cope match-plate pattern.

Being fixed with multiple upper bolster guide pillar 26 at upper bolster lower end outside interval, upper bolster guide pillar guiding slides through the pilot hole that upper padding plate, cope match-plate pattern, lower bolster, lower bolster and counterdie side plate are made.

Being fixed with cope match-plate pattern limited block 27 at interval, cope match-plate pattern lower end, this cope match-plate pattern limited block embeds in the stopper slot that lower bolster upper end is made, and in this stopper slot, coaxial elasticity is provided with a lower bolster limited post 28；Further, being fixed with lower bolster limited block in lower bolster upper end, this lower bolster limited block embeds in the stopper slot that cope match-plate pattern lower end is made.

Being fixed with multiple die shoe limited post 29 at interval, die shoe upper end, die shoe limited post is spacing is inlaid in lower bolster for this.

Although disclosing embodiment of the present utility model and accompanying drawing for the purpose of illustration, but it will be appreciated by those skilled in the art that: in the spirit and scope without departing from this utility model and claims, various replacements, to change and modifications be all possible, therefore, scope of the present utility model is not limited to embodiment and accompanying drawing disclosure of that.

Claims

1. a breechblock multimode formed combination injection mold, constituted with lower mold assemblies by relatively fastening upper die component, lower mold assemblies includes die shoe, lower bolster, lower bolster and counterdie, die shoe upper end is fixed with lower bolster and lower bolster from bottom to top successively, the embedded counterdie that is fixed with in upper end in the middle part of lower bolster, counterdie upper end is shaped with type groove；Upper die component includes upper bolster, upper mould connects seat, upper padding plate, cope match-plate pattern and upper mould, upper bolster upper center is coaxially fixed with on one mould and connects seat and connect the coaxially connected injection moulding head of seat by mould on this, upper bolster lower end is fixed with upper padding plate and cope match-plate pattern from top to bottom successively, in the middle part of cope match-plate pattern, lower end is embedded is fixed with on one mould, this is shaped with in mould injection molding channel and running channel, upper mould is relative with counterdie forms the injection moulding die cavity closed when fastening on its composition surface, it is characterised in that:

2. breechblock multimode formed combination injection mold according to claim 1, it is characterized in that: inner chamber push rod is installed between lower bolster and die shoe, this inner chamber push rod upper end upper and lower mould with the type groove of counterdie stretches out forms the interior shape of injection moulding die cavity, is fixed with counterdie side plate between lower bolster and the die shoe outside this inner chamber push rod.

3. breechblock multimode formed combination injection mold according to claim 1, it is characterised in that: described injection molding channel is arc-shaped structure and is easy to water conservancy diversion, and unhurried current gulf is a circular groove structure.