CN206170539U - Holding ring, charge -in system and injection mold - Google Patents

Abstract

The utility model provides a holding ring, charge -in system and injection mold belongs to mould manufacturing field, including the holding ring main part, the holding ring main part is including being cylindrical guide part and being cylindrical fixed part. The guide part has first terminal surface and second terminal surface global and relative setting, and the cross -section of the axis direction of global perpendicular to guide part is circularly. Global diameter is reduced by the direction of first terminal surface towards the second terminal surface gradually. The terminal surface laminating of fixed part is on first terminal surface, and fixed part and guide part fixed connection. The axis collineation of guide part and fixed part. The holding ring main part still includes potting channel, and potting channel runs through guide part and fixed part along the axis direction of holding ring main part. The back is installed on the mould to this holding ring, and the injection molding machine is during with the mould butt joint, and the feeding aircraft nose can make things convenient for, safe and holding ring butt joint, and the holding ring is difficult gives birth to the use safe and reliable of friction or collision, holding ring with the feeder hair.

Description

Locating ring, feed system and injection mold

Technical field

This utility model is related to mould processing and manufacturing field, in particular to a kind of locating ring, feed system and note Mould.

Background technology

Mould makes under external force blank become the instrument of the product for having given shape and size.Be widely used in punching, The compression moulding of the products such as die forging, cold-heading, extruding, metallic sintered products compacting, compression casting, and engineering plastics, rubber, ceramics or note In the forming of modeling.Mould has specific profile or cavity shape, and contour shape of the application with cutting edge can make blank Separate by profile wire shaped.Using cavity shape blank can be made to obtain corresponding three-dimensional shape.Mould generally comprises dynamic model With two parts of cover half, the two is partable.Product is taken out when separating, blank injection mold cavity shaping is made when closing up.Mould It is precision instrument, it is complex-shaped, the expansive force of blank is born, to structural strength, rigidity, case hardness, surface roughness and processing Precision all has higher requirements.

Injection mold is a kind of instrument for producing plasthetics；Also plasthetics complete structure and accurate dimension are to confer to Instrument.Injection mo(u)lding is to produce a kind of processing method used during some complex-shaped parts in batches.Refer specifically to the thawing that will be heated Material die cavity is injected by high pressure, Jing cooling and solidifying after, obtain formed products.

Inventor has found that under study for action traditional injection mold at least has the disadvantage that in use：

When injection mold works, after the dynamic model and cover half matched moulds of mould, cavity to be molded is defined, as poured into a mould empty Chamber, after cast cavity is filled up, completes once-cast, after raw material condensation molding, defines workpiece product.Sent in raw material Cheng Zhong, feeding head and the locating ring directly contact of injection machine, and then sprue bush is directed at, feeding head and sprue bush form right Connect, be easy to feeding.Traditional locating ring structure is single, be easily caused in the docking operation of feeding head and locating ring feeding head with Locating ring collides or rubs, and after use time is longer, locating ring is yielding, and safety when using is reduced, the longevity for using Life is short.

Utility model content

The purpose of this utility model is to provide a kind of locating ring, to improve traditional injection mold course of work in feeding Fragile locating ring when head is docked with locating ring, the problem for causing the service life of locating ring to reduce.

The purpose of this utility model is to provide a kind of feed system, to improve traditional injection mold course of work in give Fragile locating ring when material head is docked with locating ring, the problem for causing the service life of locating ring to reduce.

The purpose of this utility model is to provide a kind of locating ring, to improve traditional injection mold course of work in feeding Fragile locating ring when head is docked with locating ring, the problem for causing the service life of locating ring to reduce.

What embodiment of the present utility model was realized in：

Based on above-mentioned first purpose, this utility model provides a kind of locating ring, including locating ring main body, the locating ring Main body includes the guide part being in the form of a column and the fixed part being in the form of a column, and the guide part has side face and be oppositely arranged first End face and second end face, the section of the axis direction perpendicular to the guide part of the side face is rounded, and the side face is located at Between the first end face and the second end face, the side face is fixedly connected with the first end face and the second end face, The diameter of the side face is gradually reduced by the first end face towards the direction of the second end face；The end face of the fixed part It is fitted in the first end face, and the fixed part is fixedly connected with the guide part, the guide part and the fixed part Axis collinear；The locating ring main body also includes cast passage, and the cast passage is along the axis side of the locating ring main body To through the guide part and the fixed part.

In this utility model preferred embodiment, the guide part and the fixed part are integrally formed.

In this utility model preferred embodiment, positioning convex is provided with the side face, the positioning convex is in bar Shape, the protrusion direction of the positioning convex is outside along the radial direction of the side face, and the length direction of the positioning convex is along institute The generatrix direction for stating side face extends.

In this utility model preferred embodiment, the positioning convex is provided with multiple, and multiple positioning convex enclose Axis direction around the side face is intervally arranged.

In this utility model preferred embodiment, the fixed part is cylindrical, the diameter of the fixed part with it is described The equal diameters of the first end face of guide part.

In this utility model preferred embodiment, at least one annular seal is provided with the periphery of the fixed part Groove, is provided with sealing strip in the annular seal pocket, the sealing strip protrudes the ring-type along the radial direction of the fixed part The notch of seal groove.

In this utility model preferred embodiment, the annular seal pocket is in latticed, and corresponding, the sealing strip is in It is latticed.

In this utility model preferred embodiment, installing hole, the installation are provided with the periphery of the fixed part Hole is provided with multiple, and multiple installing holes are uniformly distributed around the axis of the fixed part, and the installing hole is used to insert Latch.

Based on above-mentioned second purpose, this utility model provides a kind of feed system, including described locating ring, also includes Sprue bush and cover half component, the cover half component includes cover half fixed plate, and the sprue bush and the locating ring are arranged on In the cover half fixed plate.

Based on above-mentioned 3rd purpose, this utility model provides a kind of injection mold, including described feed system.

The beneficial effect of this utility model embodiment is：

In sum, this utility model embodiment provides a kind of locating ring, and its is simple and reasonable, is easy to manufacture to add Work, manufacture and the low cost installed, meanwhile, after the locating ring is arranged on mould, when injection machine is docked with mould, feed head Can conveniently, safety dock with locating ring, locating ring is difficult and charger hair life friction or collision, the use of locating ring Safe and reliable, locating ring is unlikely to deform, and is less prone to raw material expansion blockage in locating ring and feeds between head, whole mould It is stable and reliable in work.It is specific as follows：

The locating ring that the present embodiment is provided, including locating ring main body, locating ring main body includes guide part and fixed part, leads Be connected to one structure to portion and fixed part, fixed part is used to be connected with the solid plate of mould, at the same with feed head pair Connect.Guide part plays a part of to be oriented to, aid in docking, and guide part is in round table-like, and fixed part is arranged on being relatively large in diameter for guide part One end, when dock with locating ring, charging head is moved charging head towards locating ring, first near guide part, and close guiding The less end face of diameter in portion, now, charging head also will not will not connect with the circumferential contact of guide part with the end face of guide part Touch, it is to avoid collision and situation about rubbing occur, and charging head is further moved, and now, charger headgear is located at fixed part On outer peripheral face, and the side face of guide part is contacted with charging head, completes docking, and whole process safe operation reliability is reduced and determined Position ring and the friction probability of charging head, increased the working life of locating ring, enter without repeatedly changing locating ring, save Cost.

The feed system that the present embodiment is provided, includes above-mentioned locating ring, and all advantages with above-mentioned locating ring are entered Material process safety reliability.

The injection mold that the present embodiment is provided, including above-mentioned feed system, all advantages with above-mentioned feed system, The injection quality of mould is high, mold use life-span length.

Description of the drawings

In order to be illustrated more clearly that the technical scheme of this utility model embodiment, below will be to use needed for embodiment Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also To obtain other related accompanying drawings according to these accompanying drawings.

Fig. 1 is the structure chart of the locating ring of this utility model embodiment；

Fig. 2 is the sectional view of the locating ring of this utility model embodiment；

Fig. 3 is the sectional view of the distressed structure of the locating ring of this utility model embodiment；

Fig. 4 is the partial enlarged drawing in Fig. 3；

Fig. 5 is the sectional view of another distressed structure of the locating ring of this utility model embodiment；

Fig. 6 is the structure chart of the feed system of this utility model embodiment；

Fig. 7 is the structure chart of the sprue bush of the feed system of this utility model embodiment；

Fig. 8 is the sectional view of the sprue bush of the feed system of this utility model embodiment.

Icon：100- locating ring main bodys；110- guide parts；111- side faces；112- first end faces；The ends of 113- second Face；120- fixed parts；130- pours into a mould passage；131- first passages；132- second channels；140- positioning convex；150- Annular seal pocket；160- sealing strips；170- installing holes；180- latches；200- sprue bush；210- casting portions；211- justifies The conical surface；212- first edges；213- second edges；214- pouring heads；220- flow path portions；221- runner channels；300- Cover half fixed plate；400- elastic components.

Specific embodiment

When injection mold works, after the dynamic model and cover half matched moulds of mould, cavity to be molded is defined, as poured into a mould empty Chamber, after cast cavity is filled up, completes once-cast, after raw material condensation molding, defines workpiece product.Sent in raw material Cheng Zhong, feeding head and the locating ring directly contact of injection machine, and then it is directed at sprue bush 200, feeding head and the shape of sprue bush 200 Into docking, it is easy to feeding.Traditional locating ring structure is single, and in feeding head and the docking operation of locating ring feeder is easily caused Head collides with locating ring or rubs, and after use time is longer, locating ring is yielding, and safety when using is reduced, and is used Short life.

In consideration of it, this utility model designer devises a kind of locating ring, feed system and injection mold, by determining The structure of position ring is improved, and when charging head is docked with locating ring, it is in round table-like guide part 110 that locating ring has, and is entered Material head is difficult to collide with locating ring or rub, and the combination for feeding head and locating ring is more safe and reliable.

It is new below in conjunction with this practicality to make purpose, technical scheme and the advantage of this utility model embodiment clearer Accompanying drawing in type embodiment, is clearly and completely described, it is clear that retouched to the technical scheme in this utility model embodiment The embodiment stated is a part of embodiment of this utility model, rather than the embodiment of whole.Generally described in accompanying drawing herein and The component of this utility model embodiment for illustrating can be arranged and designed with a variety of configurations.

Therefore, the detailed description of embodiment of the present utility model below to providing in the accompanying drawings is not intended to limit requirement The scope of the present utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in this utility model Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all Belong to the scope of this utility model protection.

It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi It is defined in individual accompanying drawing, then it need not be further defined and is explained in subsequent accompanying drawing.

In description of the present utility model, it should be noted that the orientation or position relationship of the instruction such as term " interior ", " outward " It is or the orientation usually put when using of the utility model product or position based on orientation shown in the drawings or position relationship Relation, is for only for ease of description this utility model and simplifies description, rather than indicates or imply that the device or element of indication must Must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.This Outward, term " first ", " second " etc. are only used for distinguishing description, and it is not intended that indicating or implying relative importance.

In description of the present utility model, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " sets Put ", " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, Or be integrally connected；Can be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to by intermediary It is indirectly connected to, can is the connection of two element internals.For the ordinary skill in the art, can be managed with concrete condition Solve concrete meaning of the above-mentioned term in this utility model.

It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in this utility model can To be mutually combined.

Locating ring embodiment

Refer to Fig. 1, present embodiments provide a kind of locating ring, for installed in injection mold, sprue bush 200 with Play a part of auxiliary during the docking of injection machine, it is ensured that the tight fit of sprue bush 200 and injection machine, it is ensured that raw material is from injection machine Inside it is injected in the molding cavity of mould, and then completes the processing of product.

Fig. 1-Fig. 2 is referred to, locating ring is included locating ring main body 100, made using metal material, being capable of high temperature resistant height Pressure, safe and reliable, long service life.Locating ring main body 100 includes guide part 110 and fixed part 120, guide part 110 Column is both configured to fixed part 120, guide part 110 is fixedly connected with fixed part 120, is structure as a whole, guide part 110 and solid Determine the axis collinear in portion 120, be easy to the processing of guide part 110 and fixed part 120, meanwhile, guide part 110 and fixed part 120 are solid It is scheduled on and is readily transported in integrative-structure and installs together.Further, guide part 110 and fixed part 120 are adopted to be integrally formed and added Work is made, and the sound construction reliability of locating ring main body 100, the processing of locating ring main body 100 is convenient, and service life is longer, Meanwhile, the axiality of guide part 110 and fixed part 120 is high, and high precision installs time error little.Locating ring main body 100 is also included Cast passage 130, the axis direction for pouring into a mould passage 130 along locating ring main body 100 runs through locating ring main body 100, and injection machine is by original Material is delivered in sprue bush 200 from cast passage 130, is then flowed into molding cavity.Cast passage 130 is column, and cast is logical Road 130 includes first passage 131 and second channel 132, and first passage 131 is in funnel-form, and first passage 131 has necking end And opening end, in the first end face 112 of the close fixed part 120 of guide part 110, opening end is located at guide part to necking end In 110 second end face 113 away from fixed part 120, it is easy to the flowing of raw material.Second channel 132 is cylindrical, i.e., second leads to The section perpendicular to its axis in road 132 is circle, and flow resistance of the raw material in first passage 131 and second channel 132 is little, Facilitate access in sprue bush 200, also improve overall injection quality, first passage 131 is connected with second channel 132, the The end face of two passages 132 is located on the end face away from guide part 110 of fixed part 120.

Guide part 110 includes first end face 112, second end face 113 and side face 111, and guide part 110 is in round table-like, i.e., all Face 111 is located between first end face 112 and second end face 113, and is respectively fixedly connected with, side face 111 perpendicular to guide part 110 The section of axis direction be circle, the diameter of guide part 110 by first end face 112 towards second end face 113 direction gradually Reduce, fixed part 120 is arranged in first end face 112.The structure of guide part 110 it is simple, be easy to manufacture processing, and guide part 110 second end face 113 is located remotely from one end of fixed part 120, when charging head is docked with sprue bush 200, feeds head First near the second end face 113 of guide part 110, charging head is in funnel-form, and charging head is difficult to collide guide part 110, positioning The use of ring main body 100 is more safe and reliable.

Fig. 3 is referred to, further, in order to ensure to feed combining closely for head and locating ring, in injection moulding process not Easily there is the situation of dislocation, positioning convex 140 is provided with side face 111, positioning convex 140 is in strip, positioning convex 140 Protrusion direction is outside along the radial direction of side face 111, and the length direction of positioning convex 140 extends along the generatrix direction of side face 111, It is provided with and the corresponding detent of positioning convex 140 on charging head, positioning convex 140 is tight with the fit structure of detent Close reliability, is less prone to relative rotation, safe and reliable in injection moulding process.Positioning convex 140 is preferably arranged to rectangular strip, is easy to Processing.Positioning convex 140 is provided with multiple, and multiple positioning convex 140 are intervally arranged around the axis direction of side face 111, fixed Position effect is more preferable.

Fixed part 120 is preferably arranged to cylindrical shape, and simple structure is easy to processing and manufacturing, fixed part 120 and guide part 110 are integrally formed, the sound construction reliability of locating ring main body 100.For the ease of feeding using cooperatively for head and locating ring, drop The equal diameters of the difficulty of processing of low charging head, the diameter of fixed part 120 and the first end face 112 of guide part 110, charger After head is installed with locating ring, gap is little, does not tend to have raw material spilling.Meanwhile, also allow for fixed part 120 and be arranged on die main body.

Fig. 3 and Fig. 4 is referred to, further, the periphery of fixed part 120 is provided with least one annular seal pocket 150, Sealing strip 160, radial direction projecting annular seal groove of the sealing strip 160 along fixed part 120 are provided with annular seal pocket 150 150 notch, charger headgear is located at the outside of fixed part 120, and there is sealing strip 160 to tie between charging head and fixed part 120 Structure, good sealing effect does not tend to have raw material and spills, and improves injection quality.Further, annular seal pocket 150 is set to grid Shape, i.e. annular seal pocket 150 are made up of multiple grooves that are crisscross and being connected in staggered place, the structure of annular seal pocket 150 Design is ingenious, and sealing strip 160 is installed in corresponding groove, and whole sealing strip 160 feeds head and locating ring main body in latticed 100 coordinate after installation, big with the sealing area of the periphery of the fixed part 120 of locating ring main body 100, and sealing station staggeredly sets Put, substantially increase the installation sealing of charging head and locating ring.

The charging head being related in this embodiment is the charging head matched with locating ring, and its structure is according to locating ring Structure carries out corresponding change, and the function and principle of its feeding is constant, here, not being described in detail.

Fig. 5 is referred to, further, installing hole 170 is provided with the periphery of fixed part 120, installing hole 170 is arranged Have multiple, multiple installing holes 170 are uniformly distributed around the axis of fixed part 120, installing hole 170 is used to insert latch 180, fixed Position ring main body 100 carries out auxiliary positioning with during die main body installation by latch 180, and overall structure is more solid and reliable.

Feed system embodiment

Fig. 6-Fig. 8 is referred to, a kind of feed system, including the locating ring that above-described embodiment is provided is present embodiments provided, Also include sprue bush 200 and cover half component, positioning component includes cover half fixed plate 300, and sprue bush 200 and locating ring are installed In cover half fixed plate 300.Specifically, locating ring is provided with cast passage 130, and cast passage 130 includes the He of first passage 131 Second channel 132, first passage 131 is in funnel-form, and second channel 132 is cylindrical, and in second channel 132 interior spiral shell is provided with Stricture of vagina, the external screw thread matched with female thread is provided with the outer peripheral face 111 of sprue bush 200, and sprue bush 200 is from first passage 131 It is inserted into, sprue bush 200 is connected in first passage 131, sprue bush 200 will not be from first passage 131 towards second channel 132 direction skids off, meanwhile, sprue bush 200 is rotated, sprue bush 200 is threadedly coupled with locating ring, the fixation side of sprue bush 200 Formula is simple and reliable, easy to disassemble.Meanwhile, sprue bush 200 includes casting portion 210 and flow path portion 220, casting portion 210 and runner Portion 220 is integrally formed, and overall structure is solid and reliable, easy to process, safe to use.Further, casting portion 210 is in round platform Shape, the outer peripheral face 111 of casting portion 210 is fitted on the inwall of first passage 131 of locating ring main body 100, and sprue bush 200 is installed After locating ring main body 100, sprue bush 200 is tight with the cooperation of locating ring, does not tend to have raw material outflow.Flow path portion 220 is cylinder Body, flow path portion 220 is inserted in second channel 132, is fitted close with second channel 132.Casting portion 210 has pouring head 214, Flow path portion 220 has runner channel 221, and pouring head 214 is in funnel-form, and the necking end of pouring head 214 leads to runner and connects, pours The mouth opening end in road 214 is connected with the first passage 131 of locating ring main body 100.

Further, the end face away from flow path portion 220 of casting portion 210 is taper seat 211, and taper seat 211 is along its axis Direction has circular first edge 212 and circular second edge 213, and first edge 212 is with diameter greater than second edge 213 diameter, the flowing of raw material is convenient, and is difficult to rest on the link position of locating ring main body 100 and sprue bush 200, It is easy to follow-up cleaning.

Sprue bush 200 is inserted in locating ring main body 100, the mode for inserting connection is simple and reliable, sprue bush 200 with it is fixed The combination of position ring is even closer, operates locating ring main body 100 that sprue bush 200 can be driven to take out in the lump during dismounting, is easy to cast gate The taking-up and replacing of set 200.Locating ring main body 100 is with cover half fixed plate 300 is using bolt or is threadedly coupled.

Locating ring main body 100 can be connected by screw thread with cover half fixed plate 300, specifically, in locating ring main body 100 Fixed part 120 is outer to arrange external screw thread, and hole, external screw thread and the screw-internal thread fit of screwed hole are threaded in cover half fixed plate 300, pacifies Dress is convenient, convenient disassembly.Further, locating ring main body 100 is arranged on after cover half fixed plate 300, is inserted into by latch 180 In installing hole 170, meanwhile, the end of latch 180 is connected by elastic component 400 with cover half fixed plate 300, and the order of elastic component 400 is inserted Pin 180 has the movement tendency towards installing hole 170 so that latch 180 is inserted in installing hole 170, when needing dismounting, compression Elastic component 400, latch 180 is removed from installing hole 170.

Injection mold embodiment

A kind of injection mold, including the feed system of above-described embodiment are present embodiments provided, the work of injection mold is steady Fixed reliable, during cast, the flowing of raw material is convenient, is easy to injection mo(u)lding.

Preferred embodiment of the present utility model is the foregoing is only, this utility model is not limited to, for this For the technical staff in field, this utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.

Claims (10)

1. a kind of locating ring, it is characterised in that including locating ring main body, the locating ring main body include the guide part that is in the form of a column with And the fixed part being in the form of a column, the guide part has side face and the first end face that is oppositely arranged and second end face, the side face The axis direction perpendicular to the guide part section it is rounded, the side face is located at the first end face and second end Between face, the side face is fixedly connected with the first end face and the second end face, and the diameter of the side face is by described first End face is gradually reduced towards the direction of the second end face；The end face of the fixed part is fitted in the first end face, and The fixed part is fixedly connected with the guide part, the axis collinear of the guide part and the fixed part；The locating ring master Body also includes cast passage, the cast passage along the locating ring main body axis direction through the guide part and described Fixed part.

2. locating ring according to claim 1, it is characterised in that the guide part and the fixed part are integrally formed.

3. locating ring according to claim 1, it is characterised in that positioning convex, the positioning are provided with the side face Projection is in strip, and the protrusion direction of the positioning convex is outside along the radial direction of the side face, the length of the positioning convex Direction extends along the generatrix direction of the side face.

4. locating ring according to claim 3, it is characterised in that the positioning convex be provided with it is multiple, it is multiple described fixed The raised axis direction around the side face in position is intervally arranged.

5. the locating ring according to any one of claim 1-4, it is characterised in that the fixed part is cylindrical, described solid Determine the diameter in portion and the equal diameters of the first end face of the guide part.

6. locating ring according to claim 5, it is characterised in that be provided with least one on the periphery of the fixed part Annular seal pocket, is provided with sealing strip in the annular seal pocket, the sealing strip protrudes along the radial direction of the fixed part The notch of the annular seal pocket.

7. locating ring according to claim 6, it is characterised in that the annular seal pocket is corresponding in latticed, described Sealing strip is in latticed.

8. locating ring according to claim 5, it is characterised in that be provided with installing hole on the periphery of the fixed part, The installing hole is provided with multiple, and multiple installing holes are uniformly distributed around the axis of the fixed part, the installing hole For inserting latch.

9. a kind of feed system, it is characterised in that include the locating ring as described in any one of claim 1-8, also including cast gate Set and cover half component, the cover half component includes cover half fixed plate, and the sprue bush and the locating ring are arranged on described In cover half fixed plate.

10. a kind of injection mold, it is characterised in that including feed system as claimed in claim 9.