CN201366789Y

CN201366789Y - Integrated circuit element packing tube extrusion die

Info

Publication number: CN201366789Y
Application number: CNU2009200324895U
Authority: CN
Inventors: 曾硕; 何德刚
Original assignee: TIANSHUI HUATIAN INTEGRATED CIRCUIT PACKAGE MATERIAL CO Ltd
Current assignee: TIANSHUI HUATIAN INTEGRATED CIRCUIT PACKAGE MATERIAL CO Ltd
Priority date: 2009-03-20
Filing date: 2009-03-20
Publication date: 2009-12-23
Anticipated expiration: 2019-03-20

Abstract

The utility model relates to an integrated circuit element packing tube extrusion die. The die comprises a core die, a gate die, a core die support plate and a connecting body. One end of the core die is provided with thread, the central part of the other end thereof is provided with an inner hexagonal hole, the center of which is provided with a ventilating hole I; one side of the gate die is provided with a spherical concave surface and the gate die is connected together with the core die support plate; the center of the core die support plate is provided with a threaded hole and connected with the thread at one end of the core die through the threaded hole; the central part of one side of the core die support plate in the same direction with the core die is provided with a truncated spherical crown body, wherein the side of truncated spherical crown body is a spherical convex surface that is connected with the spherical concave surface to form a spherical connecting structure; the core die support plate is provided with a connecting rib and a ventilating hole II that is communicated with the ventilating hole I by passing through the connecting rib; and the joint of the connecting body and the core die support plate is provided with a clamping ring of an annular boss and the clamping ring is connected with the core die support plate through a fixing screw. While improving the production efficiency and product quality, the extrusion die can effectively reduce the production cost.

Description

Integrated circuit component packing tube extrusion die

Technical field

The utility model relates to a kind of production mould of integrated circuit component packing tube, relates in particular to a kind of integrated circuit component packing tube extrusion die.

Background technology

The characteristics of integrated circuit component packing tube are that wall thickness (0.5mm～0.7mm), has higher anti-impact bending strength and transparency, and requires environmental protection.Produce the employed raw material of this product at present and mostly select inexpensive modified polyvinyl chloride (PVC) for use, and pure polyvinyl chloride is non-crystallization thermal sensitivity plastics, it does not have tangible fusing point, begin to soften at 80～85 ℃, 130 ℃ are plastic shape, 180 ℃ begin to flow, higher or be heated for a long time at a lower temperature and degraded can take place even deviate from hydrogen chloride when temperature, make goods variable color gradually: light red-light yellow-redness-brown-black (charing).

In actual production, because PVC melt temperature and decomposition temperature are very approaching, and the extrusion molding temperature need be strict controlled in vitrification point between the melt temperature, has therefore increased processing technology temperature controlling difficulty; Because it is its viscosity is big, mobile poor simultaneously, therefore cause the moulding difficulty very big; And the shock resistance of hard polrvinyl chloride product is relatively poor, and bigger notch sensitivity is arranged, and therefore must add enough processing aids such as stabilizing agent, lubricant and impact modifying agent with improved characteristics in the polyvinyl chloride processing and forming.

This series products of domestic production still is in reduced levels at present, and what the mould of use adopted is traditional fabricated structure (referring to Fig. 1).This mould is made up of die body 21, current divider 22, awl tube 23, core I 24, mouthful mould I 25, gland 26, hold-down screw I 27 and adjustment screw I 28; Die body 21 middle parts are provided with the core I 24 that an end is connected with current divider 22, and core I 24 outsides are provided with awl tube 23, mouthful mould I 25; Awl tube 23 1 sides are near current divider 22, and opposite side links to each other with mouth mould I 25; Mouth mould I 25 links to each other with die body 21 by adjustment screw I 28; Mouth mould I 25 is provided with gland 26, and gland 26 links to each other with die body 21 by hold-down screw I 27, and hold-down screw I 27 is perpendicular with adjustment screw I 28.Arrive the support of current divider 22 by the machine neck of die body 21 from the extruder porous plate when melt, melt moves on after even muscle is divided into 4 strands by 4, between awl tube 23 and core I 24, be extruded fused, be extruded into the pipe embryo along annular slit between core I 24 and mouthful mould I 25, skirt molds required goods in the Vacuum shaping mould.

In actual production process, the dismounting mold cleaning die cavity melt important procedure that is absolutely necessary, this operation is at first unclamped adjustment screw I 28, lay down hold-down screw I 27 and gland 26, and current divider 22, awl tube 23, a core I 24 and a mouthful mould I 25 are tightly clung in aggregates by melt, being difficult to sledge with instrument goes out, only opening the commentaries on classics screw rod extrudes their integral body with a large amount of melts by extrusion pressure from die body 21, clear up current divider 22 more while hot, awl tube 23, a core I 24 and mouthful melt that mould I 25 clings use " removing glassware " that 21 li of die bodys are burnt material at last and clean out and polish inner cavity surface.But in long-term use, find to exist following problem:

When 1, shutting down when stopping production, or long when melt time of staying in mould in continuous flow procedure, manage the embryo variable color, stain occurs for a long time, need dismounting mold cleaning die cavity melt, finish these work and will take for a long time (being not less than 2 hours) at every turn; Produce waste material more than 2 kilograms in the cleaning mould, these waste material stains are many, burn seriously, can't pulverize recovery usefulness more at all, and each directly waste raw material are just up to more than 20 yuan.

2, from installing the continuous ordinary production of mould, when managing the embryo variable color or a large amount of stain occurring, need dismantle mold cleaning die cavity melt, claim that the used time of this production process is the ordinary production cycle.Production cycle is lacked (being generally 10 days to 15 days), add in long-term the use, burn material with " removing glassware " cleaning and cause circle locating surface distortion in the die body 21, cause current divider 22, awl tube 23, core I 24 to form melt dividing and have dead angle and stagnant wake with mouthful mould I 25, local variable color of aggravation melt and decomposition, the production cycle further shortens, thereby cause frequently dismantling mold cleaning die cavity melt, the used time long (at every turn being not less than 2 hours), production efficiency is low, and labour intensity is big.

3, mouthful mould I 25 is firmly pushed down with gland 26 by awl tube 23, comes the labour intensity of debug port mould I 25 quite high by adjustment screw I 28, and adjustment screw I 28 is fragile, 4 screwed holes of easy damaged die body 21, maintenance cost height.

4, be incorporated in the shaper to vacuumizing moulding and need more than 5 minute will managing embryo, both lost time, reduce the finished product rate again.

The utility model content

Technical problem to be solved in the utility model provides a kind of enhancing productivity and product quality, and the integrated circuit component packing tube extrusion die that reduces production costs.

For addressing the above problem, a kind of integrated circuit component packing tube extrusion die described in the utility model is characterized in that: this mould comprises core, mouthful mould, core supporting plate and connector; Described core one end is provided with screw thread, and other end centre is provided with inner hexagonal hole, and this inner hexagonal hole center is provided with passage I; One side of described mouthful mould is provided with the ball impression face, and this mouthful mould links together by adjustment screw and described core supporting plate, and wherein said adjustment screw is provided with pad; Described core supporting plate centre is provided with screwed hole, and links to each other with the screw thread of described core one end by this screwed hole; Be provided with the truncation ball-crown body with the equidirectional described core supporting plate of described core one side center, wherein truncation ball-crown body side is a ball convex surface, and this ball convex surface and described ball impression face connect to form a sphere syndeton; Be provided with two even muscle and two passage II in the described core supporting plate, these two passage II pass described even muscle, and communicate with described passage I; Described connector and described core supporting plate junction are provided with the snap ring of an annular boss, and are connected with described core supporting plate by hold-down screw.

Described ball impression face and described ball convex surface are the same centre of sphere.

The utility model compared with prior art has the following advantages:

1, since the utility model when dismounting mold cleaning melt polishing die cavity, do not need to close the heater of extruder, the quick skirt moulding of starting shooting when melt is in molten condition in keeping barrel, breaks in production only needs more than 20 minute to returning to normal production, can save time about 1.5 hours, and therefore greatly improve production efficiency.

2, because the utility model is provided with an inner hexagonal hole on core, therefore can dismantles core easily, thereby improve production efficiency, reduce labour intensity with inner hexagon spanner.

Therefore 3, because the utility model neither one die body covers, can not burn even produce a small amount of material stock yet, and can recycling, thereby reduced waste, saved raw material.

4, because the junction of core supporting plate in the utility model and mouthful mould adopts sphere to be connected, therefore a mouthful mould can freely swing on the core supporting plate, 6 screws had both played fixation simultaneously, play slit between fine adjustment mouth mould and the core again, reduced and be used to the screw number regulated separately.

5, owing to be equipped with passage on core in the utility model and the core supporting plate, and form a gas path, therefore it is suitable to guarantee to manage the embryo inner and outer air pressure, thereby will manage embryo very soon is incorporated into and vacuumizes moulding in the shaper, and needn't adopt prong to prick the purpose that the pipe embryo reaches the inner and outer air pressure unanimity, both improve operating efficiency, improved the finished product rate again.

During 6, owing to employing the utility model, the pressure of extruder is born by connector, thereby it is free and relaxed that mouthful mould is regulated, and reduced debugging labour intensity.

When 7, adopting the utility model, when needs are produced another kind of type product,, realized to invest the purpose that a whole set of die cost just can be produced the polytypic product as long as change a core and a mouthful mould; Simultaneously the production cycle can be extended to 45～50 days by 10～15 days, correspondingly reduce the mechanical part damage, reduce maintenance cost.

8, simple in structure, the small investment, easy for installation of the utility model.

Description of drawings

Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described in further detail.

Fig. 1 is the structural representation of extrusion die in the prior art.

Fig. 2 is an assembly structure schematic diagram of the present utility model.

Fig. 3 is the side view of the utility model core.

Fig. 4 is the partial enlarged drawing of the ball convex surface of the utility model core supporting plate.

Fig. 5 is the partial enlarged drawing of the ball impression face of the utility model mouth mould.

Fig. 6 is the side view of the utility model core supporting plate.

Fig. 7 is the cutaway view of the utility model core supporting plate.

Among the figure: 1-core 2-mouth mould 3-core supporting plate 4-connector

5-inner hexagonal hole 6-passage I 7-ball impression face 8-adjustment screw 9-pad

10-truncation ball-crown body 11-ball convex surface 12-sphere syndeton 13-connects muscle

14-passage II 15-snap ring 16-hold-down screw 21-die body 22-current divider

23-awl tube 24-core I 25-mouth mould I 26-gland 27-hold-down screw I

28-adjustment screw I

The specific embodiment

A kind of integrated circuit component packing tube extrusion die (referring to Fig. 2) comprises core 1, mouthful mould 2, core supporting plate 3 and connector 4.

Core 1 one ends are provided with screw thread, and other end centre is provided with inner hexagonal hole 5 (referring to Fig. 3), and these inner hexagonal hole 5 centers are provided with passage I 6.

One side of mouth mould 2 is provided with ball impression face 7 (referring to Fig. 5), and this mouthful mould 2 links together by adjustment screw 8 and core supporting plate 3.

Core supporting plate 3 centers are provided with screwed hole, and link to each other with the screw thread of core 1 one ends by this screwed hole; Be provided with truncation ball-crown body 10 (referring to Fig. 7) with core 1 equidirectional core supporting plate 3 one side centres, wherein truncation ball-crown body 10 sides are ball convex surfaces 11 (referring to Fig. 4), and this ball convex surface 11 is tightly pushed down to link together by 6 adjustment screw 8 with ball impression face 7 and formed a sphere syndeton 12 (referring to Fig. 2).Ball impression face 7 is the same centre of sphere and smooth surface with ball convex surface 11, tightly push down in order to avoid melt spills by 6 adjustment screw 8, when if the gap is inhomogeneous between mouthful mould 2 and the core 1, come the diagonal angle fine setting by adjustment screw 8, the left side of mouthful mould 2 is except that the ball convex surface 11 of ball impression face 7 and core supporting plate 3 contacts, and there is space 3～4mm at all the other positions; Because extrusion pressure is born by connector 4, and it is free and relaxed that mouthful mould 2 is regulated, reduce debugging labour intensity again.Damage mouthful mould 2 screw oral areas by pressure for fear of adjustment screw 8 spiral shell heads, install pad 9 additional.

Be provided with two even muscle 13 and two passage II 14 (referring to Fig. 6) in the core supporting plate 3, these two passage II, 14 company's of passing muscle 13, and communicate with passage I 6 and to form a gas path, make pipe embryo inner and outer air pressure suitable, skirt moulding fast, wherein two passage II 14 of design on core supporting plate 3 help foreign matter in the cleaning eye on the one hand, can prevent the path of dying during wherein a hole is plugged on the other hand, influence quick skirt moulding.

Connector 4 and core supporting plate 3 junctions are provided with screens structure---the snap ring 15 of an annular boss, and closely link together by hold-down screw 16 and core supporting plate 3.This snap ring 15 is accurately spacing, guarantees that the melt dividing that connector 4 and core supporting plate 3 are formed does not exist dead angle and stagnant wake, avoids local variable color of melt and decomposition.Simultaneously snap ring 15 tops and core supporting plate 3 have 1～2mm gap (referring to Fig. 2), guarantee that all the other faying faces tightly push down in order to avoid melt spills.

In continuous normal productive process, when variable color decorative pattern or stain appear in the pipe embryo, dismantle 6 adjustment screw 8 immediately, take off mouthful mould 2, counterpart mould 2 inner chamber melt dividing and core 1 surface polish while hot rapidly, get final product with 6 adjustment screw, 8 installation connections mould 2 suitable for reading then with 2500 order sand paper.

Claims

1, a kind of integrated circuit component packing tube extrusion die is characterized in that: this mould comprises core (1), mouthful mould (2), core supporting plate (3) and connector (4); Described core (1) one end is provided with screw thread, and other end centre is provided with inner hexagonal hole (5), and this inner hexagonal hole (5) center is provided with passage I (6); One side of described mouthful mould (2) is provided with ball impression face (7), and this mouthful mould (2) links together by adjustment screw (8) and described core supporting plate (3), and wherein said adjustment screw (8) is provided with pad (9); Described core supporting plate (3) centre is provided with screwed hole, and links to each other with the screw thread of described core (1) one end by this screwed hole; Be provided with truncation ball-crown body (10) with the equidirectional described core supporting plate of described core (1) (3) one side centers, wherein truncation ball-crown body (10) side is a ball convex surface (11), and this ball convex surface (11) connects to form a sphere syndeton (12) with described ball impression face (7); Be provided with two even muscle (13) and two passage II (14) in the described core supporting plate (3), these two passage II (14) pass described even muscle (13), and communicate with described passage I (6); Described connector (4) and described core supporting plate (3) junction are provided with the snap ring (15) of an annular boss, and are connected with described core supporting plate (3) by hold-down screw (16).

2, integrated circuit component packing tube extrusion die as claimed in claim 1 is characterized in that: described ball impression face (7) is the same centre of sphere with described ball convex surface (11).