CN202293301U - Forming device of plastic inner container with openings at two ends - Google Patents
Forming device of plastic inner container with openings at two ends Download PDFInfo
- Publication number
- CN202293301U CN202293301U CN2011203536169U CN201120353616U CN202293301U CN 202293301 U CN202293301 U CN 202293301U CN 2011203536169 U CN2011203536169 U CN 2011203536169U CN 201120353616 U CN201120353616 U CN 201120353616U CN 202293301 U CN202293301 U CN 202293301U
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- China
- Prior art keywords
- inner bag
- mould
- mouth mold
- blow needle
- double end
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model discloses a forming device of a plastic inner container with openings at two ends. The device comprises a left inner container mold and a right inner container mold, wherein a cavity is formed after closing the two inner container molds, a lower blowing needle is arranged below the cavity, an expansion type mouth mold is arranged above the cavity, the expansion type mouth mold comprises an inner mouth mold and an outer mouth mold sheathed outside the inner mouth mold, and an upper blowing needle is arranged on the lower end surface of the inner mouth mold. The forming device of the plastic inner container with the openings at the two ends, disclosed by the utility model can realize the actions of pulling up the upper blowing needle. The device can realize a material blank through the expansion type mouth mold, and the material blank can be simultaneously pinched off through the relative actions of the inner and the outer parts of the expansion type mouth mold when the actions of pulling up or pulling down the upper and the lower blowing needles are completed. By improving the structure of the expansion type mouth mold, the upper blowing needle can be effectively combined with the inner mouth mold, and the synchronization of pulling-up actions and pulling-down actions can be realized by signal control through a control system.
Description
Technical field
The utility model relates to a kind of double end opening plastics inner bag shaped device.
Background technology
Though the fiber reinforced plastic pressure container of single head perforate is used widely; But the fiber reinforced plastic pressure container of double end perforate also has its special application scenario; And in water treatment system; The fiber reinforced plastic pressure container of double end perforate also can expand a lot of different application processes, such as integrated machine for softening and purifying water, need not the water treatment system of center water delivery apparatus etc.
Because traditional blow molding process is difficult to realize the making of double end plastics inner bag, the method that is used to make double end plastics inner bag at present mainly contains rotational molding technique, fusion joining process etc., more than two kinds of explained hereafter efficient lower, percent defective is high, cost is higher.Application number is that 200810035313.5 utility models disclose the method that a kind of blow molding process is made double end plastics inner bag in addition; But the blow needle that this method adopts is because too long, heavy; So when making length, there is the overweight problem of mould greater than the inner bag of 500mm; Cause the pickup difficulty, so can only on the inner bag of ting model, be applied.
Because the problem of production efficiency and cost can not get basic solution,, only use at present in large-scale Treatment of Industrial Water occasion so the application of the fiber reinforced plastic pressure container of double end perforate can not get extensively popularizing.
Why can not the method for the making single head opening plastics inner bag that is traditional be used to make the plastics inner bag of double end perforate? Here just involve in the inner bag forming process, following blow needle the following pull action that must have.Can find out that from Fig. 1 the screw thread mold insert 8 of inner bag oral area is fixed on down above the blow needle 4, in fact the action of following blow needle 4 is exactly the action of screw thread mold insert 8.Screw thread mold insert 8 before gases at high pressure are emitted, needs a drop-down action and takes place after the mould matched moulds.This time pull action can solve the problem that combines between screw thread mold insert and the material base 10.If there is not this down pull action, empirical evidence, combining between blank 10 and the screw thread mold insert is not very stable, the possibility of the oral area generation shrink mark of inner bag is bigger, thereby causes defect rate very high.But this method can't be applied on the plastics inner bag of double end opening: upward pull action is just passable because the last blow needle corresponding with following blow needle also will have one.And go up pull action because oil cylinder is drawn in the existence of material base mouth mould on can't increasing in addition again, so the technology of making double end opening plastics inner bag with blow molding process is never full-fledged.
The utility model content
The technical problem that the utility model will solve is the defective that can't be used for the blowing of double end inner bag for the inner bag shaped device that overcomes prior art, and a kind of double end opening plastics inner bag shaped device is provided.
The utility model solves above-mentioned technical problem through following technical proposals:
A kind of double end opening plastics inner bag shaped device; It comprises two mutual opposed inner bag moulds, forms a cavity behind two said inner bag mould matched moulds, below this cavity, is provided with blow needle; Above this cavity, be provided with an expanding mouth mould; It is characterized in that this expanding mouth mould comprises that an internal orifice mould and is set in the outside collar extension mould of this internal orifice mould, the lower surface of this internal orifice mould is provided with blow needle on.
Wherein, the below of this cavity is provided with blow needle support, and this time blow needle is fixed on this time blow needle support through an elevating mechanism; This device also comprises a synchronized, and this synchronized is connected with this elevating mechanism with this internal orifice mould.
Wherein, this elevating mechanism is a vertical cylinder.
In the utility model, but above-mentioned optimum condition combination in any on the basis that meets this area general knowledge promptly gets each preferred embodiment of the utility model.
The positive progressive effect of the utility model is: the double end opening plastics inner bag shaped device of the utility model utilizes the action of material base mouth mould self to realize the last pull action of blow needle.This device discharges material base through expanding mouth mould, material base on upper and lower blow needle, draw or down pull action accomplish simultaneously, the relative action of the inside and outside parts through expanding mouth mould comes the pinch off material base.Through improvement to the expanding die geometry, will go up blow needle and the internal orifice mould combines effectively, and the signal controlling through the control system, realize the synchronous of pull action and following pull action down.
Description of drawings
Fig. 1 is the structural representation of screw thread mold insert and following blow needle during blowing single port inner bag in the prior art.
Fig. 2 is the sketch map of double end plastics inner bag shaped device when holding state in the preferred embodiment of the utility model.
Sketch map when Fig. 3 is the double end plastics inner bag shaped device blanking of the utility model.
Sketch map when Fig. 4 is the double end plastics inner bag shaped device matched moulds of the utility model.
Fig. 5 is that the upper and lower blow needle of the double end plastics inner bag shaped device of the utility model discharges gases at high pressure and respectively with screw thread mold insert that is provided with and sketch map after the upper and lower end of inner bag combines.
Fig. 6 is the sketch map of die sinking pickup after the interior inner bag moulding of the double end plastics inner bag shaped device of the utility model.
The specific embodiment
Provide the utility model preferred embodiment below in conjunction with accompanying drawing, to specify the technical scheme of the utility model.
As shown in Figure 2, two inner bag moulds 1 and 2, two inner bag moulds 1 and 2 were accomplished mould assembling action or die sinking action through move left and right about the double end plastics inner bag shaped device of present embodiment comprised.Formed the chamber that is used to blow inner bag behind inner bag mould 1 and 2 matched moulds.Be equipped with half circumferential notch at inner bag mould 1 and 2 relative top and bottom, behind inner bag mould 1 and 2 matched moulds, be formed with respectively in the top and bottom of this chamber one be used for ccontaining blow needle the hole.Under chamber, be provided with blow needle 4, this time blow needle 4 is installed on down on the blow needle support 3 through the vertical cylinder (not shown) as elevating mechanism.Be threaded on the following blow needle 4 one treat with blow after the screw thread mold insert 8 that combines of inner bag.
Directly over chamber, be provided with one be used to inject material base expanding mouth mould.This expanding mouth mould has comprised an internal orifice mould 6, and the lower end of this internal orifice mould 6 is formed with the outer slope of an annular.Outer cover at this internal orifice mould 6 is provided with a collar extension mould 5, the lower end of these collar extension mould 5 inwalls be formed with one the annular in domatic.The slope angle of the outer slope of this internal orifice mould 6 is greater than slope angle domatic in this collar extension mould 5.Thereby this internal orifice mould 6 this collar extension mould 5 relatively moves up and down beginning feed operation or stops the feed operation.On the lower surface of this internal orifice mould 6, be provided with blow needle 7 on, be threaded on the blow needle 7 on this another treat with blow after the screw thread mold insert 9 that combines of inner bag.
As shown in Figure 3, internal orifice mould 6 and the lower surface of collar extension mould 5 are mutual when concordant, and material base 10 flows out from both gaps, injects this chamber.Along with internal orifice mould 6 moves up, the gap between internal orifice mould 6 and the collar extension mould 5 dwindles until complete closure gradually.And along with moving of internal orifice mould 6, screw thread mold insert 9 also moves up further near the upper end of inner bag and combination with it.The about 7mm of distance of the lower surface of the lower surface of this internal orifice mould 6 and this collar extension mould 5 time, above-mentioned gap-closing cuts off while screw thread mold insert 9 with material base and combines with the upper end of inner bag in the present embodiment.
In addition, this device also comprises a synchronized, and this synchronized is connected with vertical cylinder with this internal orifice mould 6, thereby control internal orifice mould 6 and vertical cylinder synchronization action make that upward blow needle 7 can move with following blow needle 4 simultaneously.
Method in conjunction with the double end plastics inner bag moulding of Fig. 2～6 pair the utility model further specifies.
When inner bag mould 1 and 2 was in holding state, last blow needle 7 and following blow needle 4 and screw thread mold insert 8 and 9 were all between inner bag mould 1 and 2, and screw thread mold insert 8 and 9 is all away from the end (being top and bottom) of inner bag mould.Subsequently, the blanking between inner bag mould 1 and 2 of expanding mouth mould will be gone up blow needle 7 when material base 10 at vertical direction and all coated with following blow needle 4, and promptly material base is after vertical direction runs through whole chamber, and inner bag mould 1 and 2 is drawn close the completion matched moulds each other.
Behind the matched moulds; Thereby internal orifice mould 6 moves up and closes the injection of material base; And drive to go up blow needle 7 and screw thread mold insert 9 to the upper end of inner bag 11 progressively near and combine; With blow needle 4 at present the vertical driving of cylinder drive down screw thread mold insert 8 to the lower end of inner bag 11 progressively near and combine, thereafter, in material base 10, discharge gases at high pressure with formation inner bag 11 through blow needle 4 down.When screw thread mold insert 9 and 8 all with after inner bag 11 combines, open inner bag mould 1 and 2 and just can take out the inner bag finished product.Taking off behind the inner bag finished product the last blow needle that will back out from the inner bag finished product and following blow needle loads onto again respectively to be mounted on internal orifice mould and the following blow needle support behind the screw thread mold insert again and can carry out blowing operation next time.
Wherein, inner bag mould 1 and 2 type of drive are prior art, repeat no more at this.
Though more than described the specific embodiment of the utility model, it will be understood by those of skill in the art that these only illustrate, the protection domain of the utility model is limited appended claims.Those skilled in the art can make numerous variations or modification to these embodiments under the prerequisite of principle that does not deviate from the utility model and essence, but these changes and modification all fall into the protection domain of the utility model.
Claims (4)
1. double end opening plastics inner bag shaped device; It comprises two mutual opposed inner bag moulds, forms a cavity behind two said inner bag mould matched moulds, below this cavity, is provided with blow needle; Above this cavity, be provided with an expanding mouth mould; It is characterized in that this expanding mouth mould comprises that an internal orifice mould and is set in the outside collar extension mould of this internal orifice mould, the lower surface of this internal orifice mould is provided with blow needle on.
2. double end opening plastics inner bag shaped device as claimed in claim 1 is characterized in that the below of this cavity is provided with blow needle support, and this time blow needle is located on this time blow needle support through an elevating mechanism.
3. double end opening plastics inner bag shaped device as claimed in claim 2 is characterized in that, this elevating mechanism is a vertical cylinder.
4. double end opening plastics inner bag shaped device as claimed in claim 2 is characterized in that, this double end opening plastics inner bag shaped device also comprises a synchronized, and this synchronized is connected with this elevating mechanism with this internal orifice mould.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203536169U CN202293301U (en) | 2011-09-20 | 2011-09-20 | Forming device of plastic inner container with openings at two ends |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203536169U CN202293301U (en) | 2011-09-20 | 2011-09-20 | Forming device of plastic inner container with openings at two ends |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202293301U true CN202293301U (en) | 2012-07-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203536169U Expired - Lifetime CN202293301U (en) | 2011-09-20 | 2011-09-20 | Forming device of plastic inner container with openings at two ends |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202293301U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103009607A (en) * | 2011-09-20 | 2013-04-03 | 上海开能环保设备股份有限公司 | Apparatus and method for molding plastic liner with double head openings |
-
2011
- 2011-09-20 CN CN2011203536169U patent/CN202293301U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103009607A (en) * | 2011-09-20 | 2013-04-03 | 上海开能环保设备股份有限公司 | Apparatus and method for molding plastic liner with double head openings |
| CN103009607B (en) * | 2011-09-20 | 2014-11-26 | 上海开能环保设备股份有限公司 | Apparatus and method for molding plastic liner with double head openings |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 508 and No. 518 Chuansha Zhenchuan Road, Pudong New District, Shanghai, 201200 Patentee after: Kai Ning health technology group Limited by Share Ltd Address before: 201200 518 Chuan Da Road, Pudong New District, Shanghai Patentee before: Shanghai Canature Environmental Products Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120704 |