CN2432036Y

CN2432036Y - Plastic extrusion series-connected forming complete die arrangement

Info

Publication number: CN2432036Y
Application number: CN00234036U
Authority: CN
Inventors: 张鸣; 杜方林
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-05-08
Filing date: 2000-05-08
Publication date: 2001-05-30
Anticipated expiration: 2010-05-08

Abstract

The utility model belongs to a new plastic extrusion series-connected forming complete die. An inlet die plate, a middle die plate and an outlet die plate are positioned and sequentially connected serially through cylindrical pins. The inlet die plate, the middle die plate and the outlet die plate are assembled and fixed on a base through bolts from side plates to be an integrity. The centers of the inlet die plate, the middle die plate and the outlet die plate are provided with closed integral die cavities, and the periphery of the die cavities is not provided with splicing seams. The die cavities are not typed. The periphery of the die cavities are provided with water holes and air holes, and the inlet die plate and the outlet die plate are respectively provided with a water mouth and an air mouth. The insufficiency of the traditional extrusion forming die that the die cavities are typed, deep holes are punched, air grooves are cut, the process is complicated, etc. are overcome. Therefore, the utility model has the advantages of novel design, simple structure, reliable performance and high production efficiency.

Description

Plastic extruding and setting mold kit

The utility model belongs to the calibrator of making in the section bar field, particularly relates to a kind ofly can effectively and stably guaranteeing the extrusion profile quality, can shorten mould design and the plastic extruding and setting mold kit of manufacturing cycle again significantly.

At present, known extrusioning shaping mold shown in the cross-section cutaway view of Fig. 1 segmented extrusioning shaping mold, equidistantly is installed on the base of being made up of subplate bearer 1 and base plate 2 by the single typing of one to six joint cover.Its die cavity 13 is superimposed successively assembled by cope match plate 10, side template C9, side template B8, side template A6 and following template 4.The die cavity loam cake can be opened, and loam cake is cope match plate 10 and upper cover plate combination, serves as axially to go up to open with hinge 18, and handle 12 is an operating grip.Whole die cavity is open.Die joint is with to extrude direction parallel, and the selection of die joint is different because of the complexity of die cavity, and normally from the die cavity turning point be difficult for the cloudy chamber of processing, Gou Jiaochu is broken down into several open templates.So that dig, mill, grind processing, and the part that individual shaped is complicated especially, machine adds very difficulty, also adopts line cutting spark machined sometimes, as side template 8.Then each parts are assembled, the die cavity channel inner surface that combines is processed with air drain 14, and air drain 14, pore 15, air chamber 16 together constitute air-channel system with the mouth 17 of bleeding.Air drain 14 communicates with pore 15, communicates with air chamber 16 again, and valve 17 communicates with air chamber 16.Because pore 15 is too small with air drain 14 perforation sectional areas, that is the cross section of effectively bleeding is too small, this shortcoming can't overcome, so the difficult foundation of die cavity vacuum, is unfavorable for the typing of section bar.Be processed with water hole 20 around the die cavity, water hole and air drain will have certain distance, prevent the perforation of water hole and air drain and leak.The layout in water hole 20 and UNICOM are also very complicated, need seal with " 0 " shape sealing ring 7 when the water hole penetrates the template die joint, and the water hole needs with the stifled 5 plugging technology holes of aluminium among the side template A6.Again because the water hole is the length direction processing along every joint typing cover, all belong to elongated hole (hole depth greater than the aperture more than 20 times), in order to ensure water-tight, the water hole distributes just need be more farther from the distance of air drain (being release chamber), therefore just caused the bad disadvantage of goods heat radiation cooling effect in the die cavity.In order to make the abundant cooling and shaping of goods in the die cavity, general every cover typing mold is enclosed within axial equidistant the arrangement by a few joint typings and is assembled on the base plate, is made up of 1～6 joint usually, and minimum is a joint, and every joint length is about 200～600mm length and does not wait.This separately its die cavity geometric center of calibrator of assembling is difficult for being assembled into a line, and promptly axiality is difficult for guaranteeing.In sum, as seen the open typing nested structure of this die cavity complexity, need shaping machine, omnipotently mill, various conventional machining process such as flat stone mill, line cutting electric spark, multipurpose instrument (tool) mill, multipurpose instrument (tool) mill make up repeatedly and make, technique process process complexity, accumulated error is difficult to avoid, the cavity dimension precision is difficult for guaranteeing that especially the correct amount of the indivedual privileged sites of die cavity can't guarantee.Different product, the somatotype difference, its typing cover external gas, water mode and quantity are also different, and promptly outside the connection is difficult for standard, valve 17, water nozzle 19, along with different somatotype forms and different merogenesis combinations, position and quantity all change.Behind the stifled mould of section bar, manually form removal, labour intensity is big, also damages splicing accuracy easily, and the dismounting reset error is also unavoidable.But because the extrusion die development is later, each enterprise all continues to use this traditional approach both at home and abroad, and just experience separately is different.

Many defectives that exist at traditional extrusioning shaping mould, and needing to be resolved hurrily, the design people is through for many years unremitting effort, constantly research, explores, and walked out traditional mindset finally, designed the utility model.

Main purpose of the present utility model has been to overcome the deficiency that above-mentioned traditional extrusioning shaping mould exists, and a kind of new plastic extruding and setting mold kit is provided.Overcome traditional extrusioning shaping mould with the die cavity somatotype, beaten deep hole, cut air drain, designed loaded down with trivial detailsly, can not guarantee deficiencies such as precision.Make its present invention utilize the new mode of thinking, the product that produces, novelty simple in structure, speed of production has been accelerated in stable performance.

The purpose of this utility model is realized by following technical scheme.According to the plastic extruding and setting mold kit that the utility model proposes, include template, die cavity, water hole and pore, it is characterized in that: by the inlet template, middle template and outlet template are each other by straight pin location series connection successively, and be fixed on the base its combination in aggregates through bolt by side shield, the inlet template, middle template and outlet template center have the sealed whole body die cavity, the no splicing seams of die cavity periphery, die cavity does not have somatotype, have water hole and pore around the die cavity, the rubber gasket that not only connects the water hole but also isolate air chamber is housed between the corresponding water hole of two templates, air drain, vacuum room and pore connect each other, on inlet template and middle template water nozzle and valve are housed respectively.

Template is put with consistent the erecting of export-oriented plate thickness in the middle of preceding described inlet template, the polylith, and lontitudinal series is arranged.

Preceding described inlet template and middle template one end are milled with concave station, four angular bits at concave station have pore, template and template are adorned successively to close with concave station and are constituted air drain, each air drain is connected into one by four jiaos pore, valve in the middle of selected on the template constitutes bleeds with the pore segmentation that communicates, each air drain form section with section between in parallel.

Template pore-free in the middle of preceding described inlet template and last piece, export-oriented template chamber is the rectangular cavity in cover cap osculant template chamber.

Around die cavity, have annular water tank in the preceding described inlet template arrival end, the port of export is drilled with the limbers along the annular water tank around the die cavity, the limbers size is consistent evenly to distribute, the water hole passes to the water hole around the osculant template chamber, inlet is equipped with the water nozzle that connects annular water tank on the template, annular water tank by the shutoff of water shutoff plate in the inlet template.

Before around the described die cavity water hole hole depth all be less than or equal to 10 times of aperture, the water hole is beaten near on the limit of die cavity.

On preceding described inlet template and the middle template form removal hole is housed.

Preceding described inlet template and outlet template lower end have the V-type locating slot.

Preceding described base is made of two positioning tracks on subplate bearer, base plate and the base plate.

The utility model compared with prior art has tangible advantage and good effect.The utlity model has as after advantage: owing to adopted technique scheme, overcome traditional extrusioning shaping mold cavity by polylith template assembly unit somatotype structure up and down, air drain is cut in dark punching, designs loaded down with trivial detailsly, and the processing technology complexity can not be guaranteed deficiencies such as precision.Make and the utility model die cavity time processing moulding one integral body vertically go up each template of series connection, easily punching is milled concave station and is pieced together air drain on template.Make its utility model novel structure, manufacture craft is simplified, utilize Numeric Control Technology to follow one's bent and control the multiple correct amount of shaper dimensional accuracy and privileged sites and the layout in water hole like clockwork, other structure and outside gas, water connection etc. are all finished by mould standard, the design and the manufacturing cycle of typing mold have been shortened to greatest extent, be convenient to the mechanization form removal simultaneously, accelerated speed of production effectively.

Concrete structure of the present utility model is provided in detail by following examples and accompanying drawing thereof.

Fig. 1 is the cross-section cross section view of the utility model prior art segmented stock mould.

Fig. 2 is the utility model plastic extruding and setting mold kit overall structure schematic diagram.

Fig. 3 is the A-A cutaway view of Fig. 2.

Fig. 4 is the B-B cutaway view of Fig. 3.

Fig. 5 is a series connection stock mould portal view.

Fig. 6 is the C-C cutaway view of Fig. 5.

Fig. 7 is the A enlarged drawing of Fig. 6.

Fig. 8 is a series connection stock mould base vertical view.

Template 26. removal holes 27. side shields 28. outlet 37. pores, 38. water shutoff plates, 39. locating pieces, 40. sealing gaskets, 41. positioning tracks, 42. screwed holes, 43. oval holes, template 29. base 30. subplate bearers, 31. straight pin 33. interior hexagonal trip bolt 34. annular water tanks 35. die cavities, 36. water holes 44. air drain 45.V type locating slots, 46. concave stations in the middle of 21. entrance templates, 22. water nozzles, 23. valves, 24. suspension ring 25. among the figure

See also shown in Figure 2, plastic extruding and setting mold kit of the present invention is the inlet template 21 by consistency of thickness, middle template 25 and the outlet template 28 perpendicular lontitudinal series of putting are arranged, be located by connecting by straight pin 31 between each template, again two U-shaped side shields 27 are clipped between inlet template 21 and the outlet template 28, hexagonal trip bolt 33 is strained from two ends in utilizing, thereby will enter the mouth template 21, middle template 25 and outlet template 28 are strained to one in the vertical and form cavity part, two side shields respectively have three screw holes in the vertical, tighten these three pairs of screws and cavity part can be fastened on the base of being made up of base plate 29 and subplate bearer 30 in aggregates.Inlet template 21, middle template 25 and outlet template 28 centers have die cavity 35, the no splicing seams of die cavity 35 peripheries, no somatotype, have water hole 36 and pore 37 around the die cavity 35, the rubber gasket 40 that not only connects water hole 36 but also isolate air drain 44 is housed between the corresponding water hole 36 of two templates, as Fig. 5, Fig. 6, shown in Figure 7, die cavity 35, air drain 44, pore 37 and valve 23 connect each other, on inlet template 21, water nozzle 23 is housed and is communicated with, on selected middle template 25, valve 23 is housed with water hole 36.For template 25 in the middle of the effect that reaches cooling and shaping is to be made of polylith.

Consult Fig. 3, shown in Figure 4, inlet template 21 and middle template 25 its left sides are milled with concave station 46, four angular bits at concave station have pore 37, template and template constitute air drain 44 successively, each air drain 44 is connected into one by four jiaos pore 37, pore 37 segmentations that communicate are bled, each air drain 44 form section with section between in parallel, the interactive gas circuit of this connection in series-parallel, make the sectional area of effectively bleeding reach maximum, thereby guarantee that whole die cavity 35 passages can reach good vacuum condition, each pore 37 and each air drain 44 connect each other.Template 25 pore-frees 37 in the middle of inlet template 21 and last piece, outlet template 28 die cavities 35 are rectangular cavity of template 25 die cavities 35 in the middle of the cover cap.

Consult Fig. 5 to shown in Figure 8, around die cavity 35, have annular water tank 34 in inlet template 21 arrival ends, the port of export is drilled with limbers 36 along the annular water tank 34 around the die cavity 35, water hole 36 in the middle of water hole 36 passes to around template 25 die cavities 35, inlet is equipped with the water nozzle 22 that connects annular water tank 34 on the template 21, annular water tank 34 by 38 shutoff of water shutoff plate in inlet template 21.

Water hole 36 hole depths all are less than or equal to 10 times of aperture around the die cavity 35,4～12 times have been reduced than water hole hole depth length around traditional extrusioning shaping mold die cavity, drilling technology is more simple, improved the precision in hole, water hole 36 is also easier to be beaten near on the limit of die cavity 35, has strengthened cooling effectiveness effectively.

In inlet template about 21, upper end and middle template 25 upper ends four water nozzles 22 and eight valves 23 are housed respectively, are used for water-cooled shaping and vacuumize guaranteeing section quality.

At inlet template 21 and middle template 25 left and right sides upper and lower sides form removal hole 26 is housed, is used for the mechanization form removal.

Inlet template 21 and outlet template 28 lower ends have V-type locating slot 45, and V-type locating slot 45 is stuck on the locating piece 39, guarantee that die cavity 35 dismounting reset back zero.

Base is by the subplate bearer 30 that has oval hole 43, and the base plate 29 and two positioning tracks on the base plate 29 41 that are fixed on the subplate bearer 30 by screwed hole 42 constitute.

What traditional typing mold was used is traditional mentality of designing and traditional processing method, to the die cavity somatotype of having to, again owing to cooling water hole, air drain all will be pressed close to die cavity, have to again merogenesis processing, merogenesis combination all brings very big difficulty for thus aspects such as the processing of processing, pore in processing, the water hole of die cavity and general assembly axiality.Just proposed to change for this reason and embarrassed easy solution, its mode of thinking is exactly to adopt new Numeric Control Technology to greatest extent, break away from the constraint of traditional diamond-making technique, realize that this new method of thinking is exactly that the thin type template that polylith easily is processed into die cavity is combined in series.

The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; everyly any simple modification that above embodiment did, change and equivalent structure are changed, all still belong in the protection domain of technical solutions of the utility model according to the utility model technical spirit.

Claims

1, a kind of plastic extruding and setting mold kit, include template, die cavity, water hole pore and air drain, it is characterized in that: by the inlet template, middle template and outlet template are each other by straight pin location series connection successively, and be fixed on the base its combination in aggregates through bolt by side shield, the inlet template, middle template and outlet template center have the sealed whole body die cavity, the no splicing seams of die cavity periphery, die cavity does not have somatotype, have water hole and pore around the die cavity, the rubber gasket that not only connects the water hole but also isolate air chamber is housed between the corresponding water hole of two templates, die cavity, air drain, pore and valve connect each other, on the inlet template, water nozzle is housed and is communicated with, on selected middle template, valve is housed with the water hole.

2, plastic extruding and setting mold kit according to claim 1, it is characterized in that described inlet template, polylith in the middle of template put the lontitudinal series arrangement with consistent the erecting of export-oriented plate thickness.

3, plastic extruding and setting mold kit according to claim 2, it is characterized in that described inlet template and middle template one end are milled with concave station, four angular bits at concave station have pore, template and template are adorned successively to close with concave station and are constituted air drain, each air drain is connected into one by four jiaos pore, valve in the middle of selected on the template constitutes bleeds with the pore segmentation that communicates, each air drain form section with section between in parallel.

4, plastic extruding and setting mold kit according to claim 3 is characterized in that the middle template pore-free of described inlet template and last piece, and export-oriented template chamber is the rectangular cavity in cover cap osculant template chamber.

5, according to claim 2 or 4 described plastic extruding and setting mold kits, it is characterized in that around die cavity, having annular water tank in the described inlet template arrival end, the port of export is drilled with the limbers along the annular water tank around the die cavity, the limbers size is consistent evenly to distribute, the water hole passes to the water hole around the osculant template chamber, inlet is equipped with the water nozzle that connects annular water tank on the template, annular water tank by the shutoff of water shutoff plate in the inlet template.

6, plastic extruding and setting mold kit according to claim 5 is characterized in that water hole hole depth around the described die cavity all is less than or equal to 10 times of aperture, and the water hole is beaten near on the limit of die cavity.

7, plastic extruding and setting mold kit according to claim 6 is characterized in that on described inlet template and the middle template form removal hole being arranged.

8, plastic extruding and setting mold kit according to claim 7 is characterized in that described inlet template and outlet template lower end have the V-type locating slot.

9, plastic extruding and setting mold kit according to claim 8 is characterized in that described base is made of two positioning tracks on subplate bearer, base plate and the base plate.