CN207224465U - A kind of both sides feed injection moulding apparatus - Google Patents

Abstract

It the utility model is related to a kind of both sides charging injection moulding apparatus, it includes feed pipe, oblique top and rear cavity, the oblique top includes top and mandril, the top has first side, second side and two end faces, first flow groove is concavely provided with the first side, second flow channel groove is recessed with the second side, and flowing hole is provided between the first flow groove and the second flow channel groove.

Description

A kind of both sides feed injection moulding apparatus

Technical field

A kind of injection feeding structure is the utility model is related to, particularly relating to one kind includes feed pipe, oblique top and rear cavity, Oblique top both sides are respectively arranged with the both sides charging injection moulding apparatus of first flow groove and second flow channel groove.

Background technology

It is well known that have become the primary hand of current industrialized production product using the method production product of injection Section, in order to reduce injection difficulty and lift the quality of injecting products, the feed inlet of general injection mold is required for being arranged on product Center, this setup can make injection material as far as possible even into mould molding chamber, this structure For form when specific implementation, its feed inlet is necessarily placed at the top center position of mould molding chamber, but with injection This injection molding manner of product structure increasingly complex cannot meet the production of complex structure product, and this is for conventional art Major defect.

Utility model content

The utility model provides a kind of both sides charging injection moulding apparatus, its oblique top both sides be respectively arranged with first flow groove and Second flow channel groove, injection material can flow into forming cavity to improve injection production along first flow groove and second flow channel groove at the same time The speed of product, and this is exactly the main purpose for the utility model.

Technical solution is used by the utility model：A kind of both sides feed injection moulding apparatus, it include feed pipe, oblique top with And rear cavity, wherein, be provided with forming cavity at the top of the rear cavity, offer ejection hole in the rear cavity, the ejection hole with this into Cavity is connected, which is plugged in the ejection hole, which includes top and mandril, the mandril are arranged on ejector retainner plate On.

The top has first side, second side and two end faces, wherein, two end faces be connected to this One side and the both side ends of the second side, are concavely provided with first flow groove, which is plugged in the top in the first side In portalling, the inner surface lid in the ejection hole is located on the notch of the first flow groove, to close the notch, the first flow groove bag Dashpot, guiding groove and spout are included, wherein, guiding groove connection is arranged between the dashpot and the spout, the stream Go out groove with the forming cavity to be connected, which includes central splicing groove and extension annular groove, the center splicing groove and the extension Annular groove is connected, which is located at the center splicing groove surrounding, which is connected with the guiding groove.

Second flow channel groove is recessed with the second side, which is plugged in the ejection hole, the interior table in the ejection hole Cover is located on the notch of the second flow channel groove, and to close the notch, which includes the second dashpot, the second guiding Groove and the second spout, wherein, second guiding groove connection is arranged between second dashpot and second spout, should Second spout is connected with the forming cavity, which includes the second central splicing groove and the second extension annular groove, should Second central splicing groove is connected with the second extension annular groove, which is located at the second central splicing groove four Week, the second extension annular groove are connected with second guiding groove.

Be provided with flowing hole between the center splicing groove and the second central splicing groove, the feed pipe include connecting tube and Nozzle, the nozzle are connected to the connection bottom of the tube, and the nozzle is corresponding with the center splicing groove of the first flow groove.

The beneficial effects of the utility model are：When utility model works, when injection material is injected into the shaping In chamber and after shaping, which moves to drive upwards and is pushed up in the oblique top to reach the molding product top in the forming cavity Go out the effect of the demoulding, due to being provided with flowing hole between the center splicing groove and the second central splicing groove, which will When injection material is ejected into the center splicing groove, this moment, injection material is flowed along the first flow groove, at the same time, injection Material flows into the second flow channel groove by the flowing hole and flowed in the second flow channel groove realizes that both sides are fed to reach, and improves The effect of injection moulding speed.

Brief description of the drawings

Fig. 1 is the cross-sectional view of the utility model.

Fig. 2 is the cross-sectional view of the utility model top.

Fig. 3 is the dimensional structure diagram of the utility model top.

Fig. 4 is the dimensional structure diagram of the utility model.

Embodiment

As shown in Figures 1 to 4, a kind of both sides charging injection moulding apparatus, it includes feed pipe 10, oblique top 20 and rear cavity 30, Wherein, which is provided with forming cavity, and ejection hole 31, the ejection hole 31 and the shaping are offered in the rear cavity 30 Chamber is connected.

The oblique top 20 is plugged in the ejection hole 31, which includes top 21 and mandril 22, the mandril 22 are set On ejector retainner plate.

When work, after injection material is injected into the forming cavity and is molded, which moves band upwards Move and pushed up in the oblique top 20 to have the function that the molding product A ejection devices in the forming cavity.

The top 21 has first side 40, second side 50 and two end faces 60, wherein, two end faces 60 are distinguished It is connected to the both side ends of the first side 40 and the second side 50.

First flow groove 41 is concavely provided with the first side 40, which is plugged in the ejection hole 31, the ejection The inner surface lid in hole 31 is located on the notch 411 of the first flow groove 41, to close the notch 411.

The first flow groove 41 includes dashpot 42, guiding groove 43 and spout 44.

Wherein, the guiding groove 43 connection is arranged between the dashpot 42 and the spout 44.

The spout 44 is connected with the forming cavity.

The spout 44 has feeding mouth 441 and discharge port 442, wherein, the feeding mouth 441 is opposite with the guiding groove 43 Connect, which is connected to each other with the forming cavity.

The size of the discharge port 442 is more than the size of the feeding mouth 441.

Inclination groove face is connected between the feeding mouth 441 and the discharge port 442.

The dashpot 42 includes central splicing groove 421 and extension annular groove 422, the center splicing groove 421 and the expanded ring Groove 422 is connected, which is located at 421 surrounding of center splicing groove.

The extension annular groove 422 is connected with the guiding groove 43.

When work, which is ejected into injection material in the center splicing groove 421, then injection material Overflow in the extension annular groove 422 and be flowed into the guiding groove 43, finally by the discharge port 442 of the spout 44 flow into this into Formed product is carried out in cavity, which can play the role of buffering injection material, make injection moulding process more flat It is slow.

Second flow channel groove 51 is concavely provided with the second side 50, which is plugged in the ejection hole 31, the ejection The inner surface lid in hole 31 is located on the notch 511 of the second flow channel groove 51, to close the notch 511.

The second flow channel groove 51 includes the second dashpot 52, the second guiding groove 53 and the second spout 54, wherein, this The connection of two guiding grooves 53 is arranged between second dashpot 52 and second spout 54, second spout 54 and the shaping Chamber is connected, which has the second feeding mouth 541 and the second discharge port 542, wherein, second feeding mouth 541 are connected to each other with second guiding groove 53, which is connected to each other with the forming cavity, the ruler of second discharge port 542 The very little size more than second feeding mouth 541, second is connected between second feeding mouth 541 and second discharge port 542 Tilt groove face.

Second dashpot 52 includes the second central splicing groove 521 and second and extends annular groove 522, the second central splicing Groove 521 is connected with the second extension annular groove 522, which is located at the second central splicing groove 521 4 Week, the second extension annular groove 522 are connected with second guiding groove 53.

Flowing hole 70 is provided between the center splicing groove 421 and the second central splicing groove 521, which will note Modeling material is ejected into the center splicing groove 421, and this moment, injection material is flowed along the first flow groove 41, at the same time, injection Material by the flowing hole 70 flow into the second flow channel groove 51 and in the second flow channel groove 51 flow with reach realize both sides into Material, improves the effect of injection moulding speed.

The feed pipe 10 includes connecting tube 11 and nozzle 12, which is connected to 11 bottom of connecting tube, the nozzle 12 is corresponding with the center splicing groove 421 of the first flow groove 41.

The outer surface of the nozzle 12 is concavely provided with circumferential groove, and heater strip is embedded with the circumferential groove, is covered above the heater strip Heat-insulating layer is stamped, the bulk temperature of the nozzle 12 can be lifted with to the injection material flowed there through by the heater strip Reheating is carried out, the mobility of improving material, makes injection moulding process more smooth out.

Claims (4)

1. a kind of both sides feed injection moulding apparatus, it includes feed pipe, oblique top and rear cavity, wherein, set at the top of the rear cavity There is forming cavity, ejection hole is offered in the rear cavity, which is connected with the forming cavity, which is plugged in the ejection hole In, which includes top and mandril, the mandril are arranged on ejector retainner plate, it is characterised in that：

The top has first side, second side and two end faces, wherein, two end faces are connected to first side Face and the both side ends of the second side, are concavely provided with first flow groove, which is plugged in the ejection hole in the first side In, the inner surface lid in the ejection hole is located on the notch of the first flow groove, and to close the notch, which includes slow Jet-bedding, guiding groove and spout, wherein, guiding groove connection is arranged between the dashpot and the spout, the spout It is connected with the forming cavity, which includes central splicing groove and extension annular groove, the center splicing groove and the extension annular groove It is connected, which is located at the center splicing groove surrounding, which is connected with the guiding groove,

Second flow channel groove is recessed with the second side, which is plugged in the ejection hole, the inner surface lid in the ejection hole Be located on the notch of the second flow channel groove, to close the notch, the second flow channel groove include the second dashpot, the second guiding groove with And second spout, wherein, second guiding groove connection is arranged between second dashpot and second spout, this second Spout is connected with the forming cavity, which includes the second central splicing groove and the second extension annular groove, this second Central splicing groove is connected with the second extension annular groove, which is located at the second central splicing groove surrounding, should Second extension annular groove is connected with second guiding groove,

Flowing hole is provided between the center splicing groove and the second central splicing groove, which includes connecting tube and spray Mouth, the nozzle are connected to the connection bottom of the tube, and the nozzle is corresponding with the center splicing groove of the first flow groove.

A kind of 2. both sides charging injection moulding apparatus as claimed in claim 1, it is characterised in that：The spout have feeding mouth and Discharge port, wherein, which is connected to each other with the guiding groove, which is connected to each other with the forming cavity, the size of the discharge port More than the size of the feeding mouth, inclination groove face is connected between the feeding mouth and the discharge port.

A kind of 3. both sides charging injection moulding apparatus as claimed in claim 1, it is characterised in that：Second spout has second to enter Material mouth and the second discharge port, wherein, which is connected to each other with second guiding groove, second discharge port and the shaping Chamber is connected to each other, and the size of second discharge port is more than the size of second feeding mouth, in second feeding mouth and second discharging The second inclination groove face is connected between mouthful.

A kind of 4. both sides charging injection moulding apparatus as claimed in claim 1, it is characterised in that：The outer surface of the nozzle is concavely provided with Circumferential groove, is embedded with heater strip in the circumferential groove, covered with heat-insulating layer above the heater strip.