CN201169037Y

CN201169037Y - Soft gum ejaculation forming ox horn type sprue structure

Info

Publication number: CN201169037Y
Application number: CNU2008200015365U
Authority: CN
Inventors: 陈启铭
Original assignee: COXON PRECISE INDUSTRIAL Co Ltd
Current assignee: COXON PRECISE INDUSTRIAL Co Ltd
Priority date: 2008-01-17
Filing date: 2008-01-17
Publication date: 2008-12-24
Anticipated expiration: 2018-01-17

Abstract

The utility model relates to a soft gum injection molding cattle horn type gate structure which comprises a die device used for the injection molding of soft material. The die device further comprises a direct feeding pouring channel which is arranged in the die device in a direct type and a cattle horn gate which is provided with a bow type angle, wherein, the top end of the cattle horn gate is connected with the direct feeding pouring channel, and the other end of the cattle horn gate is connected with a forming container which is arranged in the die device. The soft gum injection molding cattle horn type gate structure has the advantages that the structural design is convenient for the die device to be pulled upwards, thereby the demoulding operation can be performed; thus, the soft material can be successfully demoulded during the injection molding process because of the die design, and the length of the scrap material can be reduced, and the processing expenses of the thimble and the molding board can be reduced, thereby the subsequent processing procedures after the injection molding can be simplified to positively conform to the economic benefit in making.

Description

Flexible glue injection molding horn gate structure

Technical field

The utility model relates to a kind of pouring gate structure technology, especially refer to a kind of preferable demoulding effect that has during at soft plastic material injection molding, reducing the secondary operations required time and the volume production of product smoothly, and has the flexible glue injection molding horn gate structure of splendid product appearance.

Background technology

Plastic jetting forming is a large amount of manufacture methods of using always of producing of product, because the dog-eat-dog on the market now, manufacturer conceives the new product of developing and more wins traditional product pattern in the past often, add that information electronics and combining of product greatly promote the complexity of product, employed product material also significantly changes custom in the past, as a large amount of soft materials (as: TPU, application TPR).And plastic jetting forming be with hot melting plastic pressurization and by runner in cast gate injects mould, be used for the required product that is shaped, existing injection molding waters vocal imitation skill as shown in Figure 1, be to be applied to ebonite material (as: PC, ABS) injection molding, it comprises an ebonite cast gate 91 and runner 92, described runner 92 1 ends are connected with an ox horn runner 93, described ox horn runner 93 has a cow glue powder 94, during its injection molding be with hot melt ebonite plastics by described ebonite cast gate 91 chargings after again through runner 92, cow glue powder 94 enters in the mould (not shown), be used for formed product, and its demoulding is to utilize runner 92 belows one thimble 95 upwards to eject, make the ejection of promptly taking advantage of a situation of its front end became after the stressed bending in triangle fulcrum place stub bar, to finish its stripping operation.

Aforementioned existing cow glue powder technology, owing to cow glue powder 94 is to allow the stub bar disengageding mould eject with product in similar lever principle mode separate when wanting the demoulding, but setting of this kind cow glue powder and stripping means are only applicable to the ebonite material, and be not suitable for advancing to water design and using of soft material, because of the flexible glue material is not subjected to ejection strength after the bending, and only can produce tensile phenomenon, the tensile property that makes soft material itself have causes stub bar to be broken in mould easily, therefore at described cow glue powder technology be applied to soft material advance to water, demoulding design really remains to be improved, the necessity that breaks through.

Summary of the invention

At the deficiencies in the prior art, the purpose of this utility model is: provide a kind of having more to make convenience, economy and the flexible glue injection molding horn gate structure of good merchantable brand matter effect more.

For achieving the above object, the technical solution adopted in the utility model is:

A kind of flexible glue injection molding horn gate structure is to include a die device, is used for supplying the injection molding of soft material, it is characterized in that described die device comprises:

Tap into running channel, be to be arranged in the described die device with straight formula always;

One cow glue powder, it has the setting of arc angle, and its top is to connect the described running channel that directly advances, and its other end is to connect a shaping room that is located in the described die device.

Compared with prior art, adopt the advantage that the utlity model has of technique scheme to be:

1. the utility model can make soft material design the demoulding smoothly because of mould when injection molding, and reduced stub bar length and can reduce thimble and the template processing charges, and then the following process operation of simplification injection molding is actively to meet the manufacturing economic benefit.

2. the utility model utilization is directly advanced to water (pin-point gate) and is combined with cow glue powder (banana-gate), the order of die sinking is deviate from after stub bar is directly drawn back from lower to upper, can reduce operating personnel's secondary operations required time, product also can reach the requirement attractive in appearance of the specified appearance of client.

3. structural design of the present utility model is convenient to the upwards drawing start of described die device and is carried out stripping operation.

Description of drawings

Fig. 1 is existing plastic jetting forming pouring gate structure schematic diagram;

Fig. 2 is the utility model die device schematic diagram;

Fig. 3 is the utility model pouring gate structure schematic side view;

Fig. 4 is the utility model pouring gate structure schematic perspective view;

Fig. 5 is the utility model stripping operation schematic diagram.

Description of reference numerals: 1-die device; 10-board seat; 12-first template; 14-second template; 16-the 3rd template; 18-first die; 20-second die; 22-describes the chamber; 24-machine footstock; The 26-injection mechanism; The 28-runner; 30-directly advances running channel; The 32-cow glue powder; The 40-product; The 42-stub bar.

The specific embodiment

Please read Fig. 2, Fig. 3, rely on a shree plates mold device 1 explanation the utility model flexible glue injection molding horn gate structure, it is to be applied to soft material (as: TPU, TPR) injection molding manufacturing, described die device 1 includes a board seat 10, be to be provided with one first template 12 in succession on the described board seat 10, second template 14 and the 3rd template 16, described first, two templates 12, be that correspondence is provided with one first respectively in 14, two

dies

18,20, described first, two

dies

18,20 is to form a shaping room 22 is arranged, be used for the predetermined product of injection molding, described the 3rd template 16 is provided in a side of described second template 14 tops, its top is to be provided with a machine footstock 24, be to be provided with an injection mechanism 26 in described machine footstock 24 and the 3rd template 16, described second, three

templates

14,16 is the runner 28 that is provided with for described injection mechanism 26 injected plastics, aforementioned described board seat 10, first template 12, second template 14, the 3rd template 16, machine footstock 24 and injection mechanism 26 can be general shree plates molds.

The utility model flexible glue injection molding horn gate structure, it is further to include to tap into running channel 30 and cow glue powder 32 always, describedly directly advance running channel 30 and be provided in a side of 18,20 of described second template 14 and first and second dies, and be connected with described runner 28, described cow glue powder 32 (banana-gate) has special arc angle and is located in described first die 18, the one end is to connect describedly directly to advance running channel 30, and the other end is to connect described shaping room 22; Moreover described directly to advance running channel 30 be quite at second runner with respect to described runner 28, and direct collocation is set in conjunction with described cow glue powder 32 with straight formula; Therefore, when it carries out injection molding, hot melt soft plastic material is to inject described runner 28 from described injection mechanism 26, directly advance running channel 30, cow glue powder 32 and enter in the described shaping room 22 through described again, with injection molding product 40, as shown in Figure 3, when the mold closing state, described cow glue powder 32 still is connected with product 40.

Continue and see also Fig. 4, Fig. 5, when desiring to carry out die sinking taking-up product, be described cow glue powder 32 to be broken away from product 40 with three strokes, as shown in the figure, the demoulding phase I is that described the 3rd template 16 start from lower to upper (according to the diagram relative direction) is separated with described second template 14, at this moment, the stretching, extension tensile property that can utilize soft plastic material itself to be had is broken material, be about to upwards drawing of described stub bar 42, directly pull out from described cow glue powder 32 in the material grasping mode, and then break its being connected at cow glue powder 32 places and described product 40 with stub bar 42; Demoulding second stage is to make on the described machine footstock 24 slightly to separate with described the 3rd template 16; The demoulding phase III is that described second template 14 is separated with described first template 12 from lower to upper, also promptly separates described first and

second die

18,20, and takes out the product 40 that has separated with described stub bar 42.

Therefore, the utility model utilizes and describedly directly advances running channel (second runner) and direct collocation is set in conjunction with described cow glue powder with straight formula, and according to automatic break gate under the designed stripping stroke start, make and be able to the fast clear and definite product that is cut off and takes out when being applied to soft material product injection molding, so just can reduce operating personnel's secondary operations required time and produce product smoothly, and reach the requirement attractive in appearance of the specified appearance of client.

Moreover, the utility model utilizes and describedly directly advances running channel (second runner) and direct collocation is set in conjunction with described cow glue powder with straight formula, can avoid being difficult for breaking in the mould because of stub bar designs the improper generation demoulding, cause unfavorable product shaping volume production, and thoroughly solved the design of the bad demoulding of product, and then can actively promote the value on its industry.

In sum, the utility model is adopted directly to advance to water (pin-point gate) and is combined with cow glue powder (banana-gate), and deviate from after the order of (or laterally) die sinking is directly drawn back stub bar from lower to upper, so design can reduce stub bar length and can reduce thimble and the template processing charges, and can reach the smooth demoulding when the soft material mould designs.

More than explanation is just illustrative for the utility model; and nonrestrictive, those of ordinary skills understand, under the situation of the spirit and scope that do not break away from claim and limited; can make many modifications, variation or equivalence, but all will fall within the protection domain of the present utility model.

Claims

1. a flexible glue injection molding horn gate structure is to include a die device, is used for supplying the injection molding of soft material, it is characterized in that described die device comprises:

2. flexible glue injection molding horn gate structure according to claim 1 is characterized in that: described die device includes one and is used for forming first die and second die that described shaping room is set.

3. flexible glue injection molding horn gate structure according to claim 2 is characterized in that: described die device includes one and is used for second template that first template of described first die is set and is used for being provided with described second die.

4. flexible glue injection molding horn gate structure according to claim 3, it is characterized in that: described second template top is to be provided with one the 3rd template, the 3rd template top is to be provided with a machine footstock, is to be provided with an injection mechanism in described machine footstock and described the 3rd template.

5. flexible glue injection molding horn gate structure according to claim 4, it is characterized in that: be the runner that is provided with for described injection mechanism injected plastic between described template second template and the 3rd template, described runner is to connect the described running channel that directly advances.

6. flexible glue injection molding horn gate structure according to claim 3 is characterized in that: describedly directly advance running channel and be provided in a side of between described first die and second die.