CN2514999Y

CN2514999Y - New structure of ejection shaping machine mould head

Info

Publication number: CN2514999Y
Application number: CN 01277126
Authority: CN
Inventors: 朱柳山
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-12-28
Filing date: 2001-12-28
Publication date: 2002-10-09
Anticipated expiration: 2011-12-28

Abstract

The utility discloses a new structure of a mold head of an ejection molding machine, which relates to the mold head with a mold head pressure cylinder, mainly solving the technique problem of ejecting stuff by generating time difference automatically. The corresponding technical scheme is that a hollow adjusting tube and a central shaft plug are arranged in order in the mold head pressure cylinder of the ejection molding machine. The outer portion of the hollow adjusting tube is correspondingly provided with a depressed groove way and a feed opening which is even corresponding with the outlet of the central shaft plug in the end. The depressed groove way correspondingly directs between the mold head pressure cylinder and the hollow adjusting tube. Besides two opposite sides of the mold head pressure cylinder are respectively corresponding with the depressed groove way and the two stuff ejecting channels provided on the feed opening. The function of generating time difference to eject stuff can be exerted by using the above structure, being applicable to various kinds of ejection molding machines.

Description

Jet forming machine die head new construction

Technical field:

The utility model relates to a kind of Jet forming machine die head, particularly a kind of die head that includes the die head cylinder pressure.

Background technology:

Press, because modern industrial production technology level day by day improves, for the continuous especially surprising progress of the technological development of plastics Jet forming machine, and can use the different present especially indispensable facility of industrial circle of Jet forming machine that penetrate material, but, because the restriction in the ejecting mechanism design, so whether Jet forming machine can produce better quality of finished, the special work that shoots material that whether can preset just becomes the characteristic that the consumer payes attention to the most; Therefore, how to develop a kind of Jet forming machine that meets demand, become developer and manufacturer already and want most several problems of overcoming.

Traditional Jet forming machine, with reference to shown in Figure 1, regardless of its structure kenel, divide preface to penetrate the material that penetrates of difference if need at the product of two kinds of unlike materials of parcel, then the dealer must prepare two Jet forming machines 10 earlier, after carry out work, and need corresponding two Jet forming machines 10 to prepare two groups of

different moulds

11,12, when first Jet forming machine 10 in mould 11, penetrate finish after, the processing personnel must move to cooled semi-finished product in another mould 12, could penetrate material with second kind again and be injected in the mould 12 by second Jet forming machine 10; The ejaculation mode of production that this kind commonly used is in the industry cycle used for a long time, but this kind design still has weak point on practicality and product quality, and its reason is:

One, after first Jet forming machine 10 of cause penetrates in mould 11 and finishes, the processing personnel must move to cooled semi-finished product in another mould 12, could penetrate material with second kind is again injected in the mould 12 by second Jet forming machine 10, so, it is not in half melting combinations of states that finished product and wrap up two layers penetrate materials, but after one deck cooled off, another layer just covers thereon bonding, so two kinds of materials are difficult for driving fit, cause the product integument to come off easily, the integral product quality also can be influenced and be descended;

They are two years old, because the mode of commonly using must adopt two Jet forming machines 10 to cooperate two

tool moulds

11,12 simultaneously, add that the processing personnel again must be after 10 ejaculations of first Jet forming machine be finished, the processing personnel move to the interior location of another mould 12 with the semi-finished product of cooling in the mould 12, could penetrate with second Jet forming machine 10 again; So commonly use mode very time-consuming, take a lot of work, also can cause the improper premter of cost.

For the above-mentioned shortcoming of commonly using emission forming machine, improvement trend is all to adopt full-automatic die change at present, the mode of changing ejaculator is demand, with reference to shown in Figure 8, it is No. the 424681st, Taiwan Announcement Number " sandwich Jet forming machine injection head device " case, wherein disclose a kind of outer cylinder base 13 that has, interior cylinder base 14 and the structure of dividing Flow Control valve plug 15, raw materials in the utilization in the cylinder base 14 push this minute Flow Control valve plug 15 can outwards spray, another raw material that is stopped between this outer cylinder base 13 and this interior cylinder base 14 then can use pressure to push and outwards ejection equally, really can carry out the separation of two kinds of raw materials penetrates, but the above-mentioned problem of commonly using structure is:

One, the mixing that only is fit to two kinds of raw materials is penetrated, and the work that can't mix two kinds of raw materials fully, so plant when commonly using product and penetrating multi-layered product, can produce the relatively poor problem of covered effect between two kinds of materials;

Its two, effect is simple, the time difference of raw material need use feed pressure to control, cylinder base 14 and this minute Flow Control valve plug 15 starts inaccuracy very also is easy to generate the handicapped on the product quality in this.

The utility model content:

Technical problem to be solved in the utility model is, a kind of improved Jet forming machine die head new construction is provided, it can bring into play the function that automatic generation time difference shoots material, and two layers of raw material that its product has can very firmly merge, and can reduce the product fraction defective.

The technical scheme that solves the problems of the technologies described above employing is:

One die head cylinder pressure, be one to have the cylinder body of hollow space, cooperate the convergent face to be provided with an exit wound of bullet at the hollow space front end, and system is provided with some channels that shoot material within cylinder side wall, and the channel that respectively shoots material is the exporter who is provided with inside break-through hollow space near this convergent exit wound of bullet place;

One hollow regulating tube, be one to have the body of hollow caliber, system is provided with the rotating mechanism that can control turn and the driving and reversing mechanism of controlling advance and retreat on the hollow regulating tube, and this hollow regulating tube front end just is provided with exit wound of bullet and convergent face to convergent exit wound of bullet that should the die head cylinder pressure, and all sides in its hollow tube footpath are provided with some material through hole of going into, this goes into material through hole just to the outlet of some channels that shoot material that should the die head cylinder pressure, be provided with some depression conduits in this hollow regulating tube outside system in addition, this depression conduit is just to the outlet of some channels that shoot material that should the die head cylinder pressure, and this depression conduit one end is communicated in the convergent face of this hollow regulating tube, and the exit wound of bullet of this hollow regulating tube front end just can blocking in the convergent exit wound of bullet of this this die head cylinder pressure;

One central shaft plug, it is a rhabodoid, make beyond the Great Wall at central shaft and to be provided with the driving and reversing mechanism that to control advance and retreat, and this central shaft plug front end just is provided with the convergent face to exit wound of bullet that should the hollow regulating tube, and the central shaft plug just can blocking in the exit wound of bullet of this hollow regulating tube, and central shaft plug stage casing is provided with a scalariform convergent face, and this scalariform convergent face is just to the material through hole of going into that should the hollow regulating tube.

The action of the utility model mat hollow regulating tube and central shaft plug structure, using its depression conduit and going into material through hole cooperates the passage that shoots material to bring into play the function that automatic generation time difference shoots material, and the design that shoots material of mat time difference, can shoot material for the first time do not solidify fully before, be about to second defective material and inject mould, two layers of raw material that new product has can very firmly merge, thereby have reduced the fraction defective and the spoilage of product.

Description of drawings:

Fig. 1 is the operation schematic diagram of commonly using.

Fig. 2 is an assembled sectional view of the present utility model.

Fig. 3 is another side sectional view of the present utility model.

Fig. 4 is the assembled sectional view that the utility model is implemented state.

Fig. 5 is another side sectional view that the utility model is implemented state.

Fig. 6 is the assembled sectional view of another enforcement state of the utility model.

Fig. 7 is another side sectional view of another enforcement state of the utility model.

Fig. 8 is that another commonly uses the structure cutaway view.

Fig. 9 is the utility model product cutaway view.

The specific embodiment:

Referring to Fig. 2,3, Jet forming machine die head new construction is made of jointly members such as a die head cylinder pressure 20, a hollow regulating tube 30 and central shaft plugs 40, and is that group is located between general Jet forming machine and the jetting mold, and its structure includes:

This die head cylinder pressure 20, be one to have the cylinder body of hollow space 21, cooperate a convergent face 22 to be provided with an exit wound of bullet 23 at hollow space 21 front ends, and each system is provided with the channel 24 that shoots material within these die head cylinder pressure 20 left and right sidewalls, this channel 24 that shoots material is connected to the different material source, and two shoot material channel 24 in the outlet 25 that is provided with this hollow space 21 of break-through near these convergent face 22 places, offer a start hole 26 in these die head cylinder pressure 20 1 sides in addition:

This hollow regulating tube 30, be one to have the body of hollow caliber 31, be provided with the liquid gas pressure mechanism 32 that can control advance and retreat in hollow regulating tube 30 rear ends, lock at this hollow regulating tube 30 in addition and establish a connecting rod 33, this connecting rod 33 just is located within the start hole 26 of this die head cylinder pressure 20, and these connecting rod 33 other ends are connected with a liquid gas pressure mechanism 34, can wave this connecting rod 33 by this liquid gas pressure mechanism 34 makes this hollow regulating tube 30 carry out swing, at the front end of this hollow regulating tube 30 to convergent face 22 that should die head cylinder pressure 20, exit wound of bullet 23 is provided with an exit wound of bullet 35 and a convergent face 36, this exit wound of bullet 35 links to each other with this hollow caliber 31, and being provided with one, a side of this hollow caliber 31 goes into material through hole 37, this goes into material through hole 37 just to the outlet 25 of the channel 24 that shoots material that should die head cylinder pressure 20, and is provided with one in these hollow regulating tube 30 outside systems in addition and is

The depression conduit 38 of type, this depression conduit 38 just can be to another outlet 25 of the channel 24 that shoots material that should die head cylinder pressure 20, and these depression conduit 38 1 ends are communicated in the convergent face 36 of this hollow regulating tube 30, and these hollow regulating tube 30 front end exits wound of bullet 35 just can be promoted by this liquid gas pressure mechanism 32 and blocking in the exit wound of bullet 23 of this die head cylinder pressure 20;

This central shaft plug 40, it is a rhabodoid, central shaft plug 40 rear end systems be provided with can control advance and retreat liquid gas pressure mechanism 41 as driving and reversing mechanism, and these central shaft plug 40 front ends just are provided with conical convergent face 42 to exit wound of bullet 35 that should hollow regulating tube 30, and central shaft plug 40 just can blocking in the exit wound of bullet 35 of this hollow regulating tube 30, and central shaft plug 40 stage casings are provided with a scalariform convergent face 43, this scalariform convergent face 43 just to should hollow regulating tube 30 go into material through hole 37; The above is part general introduction of filling of the correlation position of each associated component of the utility model and detailed construction thereof.

In order to clearly demonstrate flowing mode and the effect done of the present utility model, with reference to Fig. 2, shown in 3, when the utility model during at ready position, these hollow regulating tube 30 rear ends are established the liquid gas pressure mechanism 32 that can control advance and retreat and can be pushed away before the start, and the connecting rod 33 on this hollow regulating tube 30 is also by this liquid gas pressure mechanism 34 swing left (connecting rod 33 ties up to the start hole 26 interior starts of this die head cylinder pressure 20), this moment this hollow regulating tube 30 go into material through hole 37 not to outlet 25 that should die head cylinder pressure 20, should export 25 by also not corresponding another of depression conduit 38 in addition, so the high pressure feedstock of two kinds of raw material source can not penetrate, and these hollow regulating tube 30 front end exits wound of bullet 35 are just promoted by this liquid gas pressure mechanism 32 and blocking in the exit wound of bullet 23 of this die head cylinder pressure 20, at the same time, the liquid gas pressure mechanism 41 of these central shaft plug 40 rear ends also can promote these central shaft plug 40 blockings in the exit wound of bullet 35 of this hollow regulating tube 30, so all channels all are closed, the utility model is in ready position.

Then, shown in Fig. 4,5, when the utility model when beginning to shoot material work, connecting rod 33 on this hollow regulating tube 30 can be by the slightly swing to the right of this liquid gas pressure mechanism 34 (connecting rod 33 ties up to the start hole 26 interior starts of this die head cylinder pressure 20), this moment this hollow regulating tube 30 go into material through hole 37 still not to outlet 25 that should die head cylinder pressure 20, but, this depression conduit 38 because Big to A/F, so can begin to another outlet 25 that should die head cylinder pressure 20, so the high pressure feedstock in the outlet 25 begins to penetrate, at this moment, high pressure feedstock can be entered the convergent face 36 of this hollow regulating tube 30 by this conduit 38 that caves in, and the pressure of utilization own promotes the convergent face 36 of this hollow regulating tube 30, cause this hollow regulating tube 30 displacement backward, and the front end exit wound of bullet 35 of this hollow regulating tube 30 just no longer blocking in the exit wound of bullet 23 of this die head cylinder pressure 20, so first kind of high pressure feedstock can be injected in the mould running channel via this depression conduit 38.

Shown in Fig. 6,7, when the utility model when continuing to shoot material work, connecting rod 33 on this hollow regulating tube 30 can continue by this liquid gas pressure mechanism 34 swing to the right (connecting rod 33 ties up to the start hole 26 interior starts of this die head cylinder pressure 20), this moment, the material through hole 37 of going into of this hollow regulating tube 30 began outlet 25 that should die head cylinder pressure 20, but, this depression conduit 38 because Big to A/F, so still continue to another outlet 25 that should die head cylinder pressure 20, so the different high pressure feedstock in two outlets 25 begin synchronous ejaculation, at this moment, wherein a kind of high pressure feedstock is still entered the convergent face 36 of this hollow regulating tube 30 by this depression conduit 38, and the proper correspondence of high pressure feedstock in another outlet 25 urges the scalariform convergent face 43 that enters this central shaft plug 40, and the pressure of utilization own promotes this scalariform convergent face 43 of this central shaft plug 40, cause this central shaft plug 40 displacement backward, and the conical convergent face 42 of these central shaft plug 40 front ends also no longer blocking in the exit wound of bullet 35 of this hollow regulating tube 30, so two kinds of raw materials (A) (B) can be mixed into (as shown in Figure 9) within this mould in regular turn, make two kinds of raw materials (A) (B) not only layering coat and fluid-tight engagement each other; Cooperation running by said structure, the utility model can utilize the time difference to penetrate the syncretizing effect of reaching between each layer raw material, really can promote product quality, on the other hand, because the utility model need not to use too much ejecting mechanism, more need not the numerous and diverse degree of work that cooperates mould in addition, can reduce the processing personnel, so that the utility model is a kind of quality of finished is good, can carry out the shoot material Jet forming machine die head improvement of work of time difference.

What deserves to be mentioned is, the utility model uses the rotating mechanism of this hollow regulating tube and driving and reversing mechanism to cooperate to carry out different advance and retreat, spinning movement, because this time of going into the outlet of material through hole and corresponding this die head cylinder pressure of depression conduit can use openings of sizes, position to change, so the utility model can allow injection material correspondence under the Preset Time difference of some kinds of unlike materials carry out the various workers of shooting material.

Claims

1. Jet forming machine die head improvement is that group is located on the Jet forming machine, it is characterized in that including:

2. Jet forming machine die head new construction according to claim 1, it is characterized in that, the rotating mechanism of this hollow regulating tube and driving and reversing mechanism can be advanced and retreat, be rotated, go into the asynchronism(-nization) of channel outlet that shoots material of material through hole and corresponding this die head cylinder pressure of depression conduit, and it is inequality to go into the openings of sizes of material through hole and depression conduit.

3. Jet forming machine die head new construction according to claim 1 is characterized in that, the driving and reversing mechanism of control advance and retreat can be the liquid gas pressure actuation mechanism on this hollow regulating tube.

4. Jet forming machine die head new construction according to claim 1 is characterized in that, the driving and reversing mechanism that this central shaft is controlled advance and retreat beyond the Great Wall can be the liquid gas pressure actuation mechanism.

5. Jet forming machine die head new construction according to claim 2, it is characterized in that, the rotating mechanism of this hollow regulating tube can be passed swing by a connecting rod that is locked on this hollow regulating tube, and this connecting rod then is to cooperate passing by the liquid gas pressure mechanism that is positioned at outside this die head cylinder pressure.