CN2619775Y

CN2619775Y - Double layer transparent line moulder

Info

Publication number: CN2619775Y
Application number: CN 03230199
Authority: CN
Inventors: 刘资丰
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-04-10
Filing date: 2003-04-10
Publication date: 2004-06-09
Anticipated expiration: 2013-04-10

Abstract

The utility model discloses a dual layer transparent thread die head which is aimed at solves the technical problems of improving product quality. The technical proposal is: a lateral passage that is communicated with the inner flow passage is arranged at the side of the inner sleeve, a passage which is communicated with the lateral passage is arranged at the middle die head body of the die head body, the passage of the middle die head body is communicated with the transparent flow passage. The utility model realizes forming both inner layer and transparent thread part of the products and can be adopted in various dual layer transparent thread die head.

Description

Double-deck transparent thread die head

Technical field:

The utility model relates to a kind of parts of blowing moulding device therefor, particularly a kind of die head.

Background technology:

The plastic containers of bilayer zone transparent thread, because it is easy to use, advantages such as conservation cost, at food, industries such as chemical industry all are widely used, existing this type of container, mostly be that blowing is one-body molded, one of main feature of its equipment is to adopt the die head that has the transparent thread plate, the feeding structure of its die head as shown in Figure 1, on die head body 1, be connected with outer feed joint 2 respectively, internal layer feed joint 3 and transparent thread feed joint 4, each

joint

2,3, all independently be provided with heating on 4, helical feed, the various auxiliary facilities of power source and corresponding control, its operation process is, outside, internal layer feed joint 2, after 3 feed enter the die head inner flow passage, under the effect of the piece that dams on the transparent thread plate, need form the position of transparent thread at goods, internally, outer material forms and dams, block this position in, outer material, and simultaneously, material in transparent thread feed joint 4, enter core rod from the charging aperture of the piece below of damming, and and in, outer material is chewed through the die sleeve mould together and is entered mould, thus the double-deck transparent thread container of blow molding; The die head of above-mentioned three bell and spigot joints, though can adapt to a large amount of production blow molding operations, but need three cover relevant auxiliary facilities, as heating, helical feed, power source and control system or the like, make device structure complicated greatly, thereupon, its equipment cost is higher, the operation and maintenance workload increases, and operation costs are also higher.

The utility model content:

The technical problems to be solved in the utility model is, a kind of improved double-deck transparent thread die head is provided, and its can simplified structure, improves the economy of equipment, and can adapt to the bigger scope of application.

The technical scheme in the invention for solving the above technical problem is: the die head body is provided with outer feed joint and internal layer feed joint, be provided with interior cover, inner core, thickness adjusting lever in the die head body, and be connected with the die sleeve mould and chew, die head body, interior cover and inner core are formed with inner flow passage, outer flow passage and transparent thread runner respectively, be characterized in being provided with a wing passage at the side of interior cover, wing passage and inner flow passage are communicated with, the middle die head body of die head body is provided with a passage, passage and wing passage are corresponding to be communicated with, and the passage of middle die head body and transparent thread runner are corresponding to be communicated with.Realize not only forming the internal layer of goods but also form the transparent thread part with an extruder.

The die head body is provided with a flow adjustment screw.

The simple wing passage of the utility model mat, passage and transparent thread runner connection technology scheme, form the twin adapter die head of transparent thread feed and the shared joint of internal layer feed, realization and traditional three joint die heads have the novel die head scheme of same function, reduced by a cover heating, helical feed, equipment such as moving source and corresponding control, simplify the supporting structure of blow molding, and reduce simultaneously and operate, the workload of safeguarding, the cost of reduction equipment and operation, has good and economic, the adjusting flow measure that it is additional, the demand that can adapt to various transparent thread specifications, the scope of application of expansion equipment.

Description of drawings:

Fig. 1 is traditional three joint die head schematic diagrames.

Fig. 2 is the joint design schematic diagram of the utility model die head.

Fig. 3 is that the double-deck transparent thread die head of the utility model vertical profile is looked schematic diagram.

Fig. 4 is a part-structure enlarged diagram among Fig. 3.

The specific embodiment:

With reference to Fig. 2,3,4, double-deck transparent thread die head includes die head body 1, outer feed joint 2 and internal layer feed joint 3, wherein die head body 1 by last die head body 11, middle die head body 12, lower die head body 13, interior cover 14, inner core 15, thickness adjusting lever 16, die sleeve mould chew 17 and other connectors form; Die head body 12 during outer feed joint 2 is connected in, internal layer feed joint 3 is connected in die head body 11; Lumen centers at die head body 1 is provided with thickness adjusting lever 16, at sheathed inner core 15 of the outside of thickness adjusting lever 16 layering and interior cover 14, in, the annular space of lower

die head body

12,13 and interior cover 14 forms outer flow passage 02, the annular space of interior cover 14 and inner core 15 forms inner flow passage.In, dig on the

lower die head

12,13 and be provided with transparent thread runner 03, the basic structure of each

runner

01,02,03 is similar with traditional structure or identical with function, and common the connection chewed the runner of formation to the die sleeve mould.

Fixedly connected outer feed joint 2 on the middle die head body 12 of die head body 1, the feed orifice 20 of outer feed joint 2 and the passage of middle die head body 12 120 ' are communicated with, material is from the feed orifice 20 of outer feed joint 2, enters the annular space of outer flow passage 02 through passage 120, forms the layer structure of goods;

The last die head body 11 fixedly connected internal layer feed joints 3 of die head body 1, the feed orifice of internal layer feed joint 3 and the annular of inner flow passage 01 are communicated with, and material through inner flow passage 01, forms the endothecium structure of goods from internal layer feed joint 3;

In the side appropriate position of interior cover 14, be provided with a wing passage 140, in can be, this wing passage 140 overlaps the through hole that is drilled with on 14 sidewalls, also can be the through hole of other shapes, this structure forms wing passage 140 and inner flow passage 01 is a connecting path;

On middle die head body 12, wing passage 140 places of cover 14 in corresponding, offer a passage 120, the passage 120 ' that this passage 120 can be communicated with the feed orifice 20 of outer feed joint 2 is a through hole, the diameter of die head body 12 is to being drilled with a through hole 120 ' in promptly traversing, 120, and its end that faces side through hole 140 set firmly one the sealing plug screw 121, can form 120 ' one section of through hole and outer flow passage 02 connection, another section through hole 120 is communicated with through wing passage 140 and inner flow passage 01, and overlapping being sealed and matched between 14 external diameters and middle die head body 12 endoporus in the mat, the through-flow of side through hole 140 and through hole 120 can not produce crossfire with outer flow passage;

On middle die head body 12, transparent thread runner 03 1 ends of setting are connected with passage 120, and the other end extends to lower die head body 13, and the extension is below inner core 15 dams piece, and the structure of this part-structure and conventional transparent line material runner is same or similar;

Nearly runner 120 place's sides are provided with a through hole in the upper end of transparent thread runner 03, has a screw on the middle die head body 12 at this place, be installed with a flow adjustment screw 122 in the screw, flow adjustment screw 122 ends are provided with an adjusting rod 1221, the end of adjusting rod 1221 is inserted and is stretched in the side through hole of transparent thread runner 03, when turn adjustment screw 122 can change the degree of depth that adjusting rod 1221 stretches into transparent thread runner 03, stretch into the degree of depth when big, the choked flow effect of 1221 pairs of runners of adjusting rod is big, transparent thread runner flow reduces, adapt to the small dimension transparent thread, otherwise, flow can adapt to big specification transparent thread greatly, makes die head can adapt to the demand of all size transparent thread, enlarges the scope of application.

For wing passage 140 and passage 120 correspondence positions are remained unchanged, between middle die head body 12 and interior cover 14, an alignment pin 1214 can be set.

During use, material enters outer flow passage 02 through the feed orifice 20 and the passage 120 ' of outer feed joint 2, material enters inner flow passage 01 through the feed orifice of interior feed joint 3, divide the wing passage 140 of flowing through, passage 120 to enter transparent thread runner 03 simultaneously, compile at last and chew 17 through the die sleeve mould and enter the double-deck transparent thread goods of mould blow molding.

Claims

1, a kind of double-deck transparent thread die head, the die head body is provided with outer feed joint and internal layer feed joint, be provided with interior cover, inner core, thickness adjusting lever in the die head body, and be connected with the die sleeve mould and chew, die head body, interior cover and inner core are formed with inner flow passage, outer flow passage and transparent thread runner respectively, it is characterized in that:

A. the side at interior cover (14) is provided with a wing passage (140), and wing passage (140) and inner flow passage (01) are communicated with;

B. the middle die head body (12) of die head body (1) is provided with a passage (120), and passage (120) and wing passage (140) are corresponding to be communicated with;

The passage (120) of c. middle die head body (12) and transparent thread runner (03) are corresponding to be communicated with.

2, double-deck transparent thread die head according to claim 1, the middle die head body (12) that it is characterized in that die head body (1) is provided with a flow adjustment screw (122), flow adjustment screw (122) is connected with an adjusting rod (1221), and the end of adjusting rod (1221) is inserted and stretched in transparent thread runner (03).

3, double-deck transparent thread die head according to claim 1 is characterized in that being provided with alignment pin (1214) between the middle die head body (12) of die head (1) and the interior cover (14).