CN217621926U - Header board epidermis injection mold with compound ejection mechanism - Google Patents

Header board epidermis injection mold with compound ejection mechanism Download PDF

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Publication number
CN217621926U
CN217621926U CN202221591199.6U CN202221591199U CN217621926U CN 217621926 U CN217621926 U CN 217621926U CN 202221591199 U CN202221591199 U CN 202221591199U CN 217621926 U CN217621926 U CN 217621926U
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China
Prior art keywords
heating
injection mold
ejection mechanism
instrument panel
seat
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CN202221591199.6U
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Chinese (zh)
Inventor
黄财耘
潘仙富
管康宾
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Zhejiang Limin Industrial Group Co ltd
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Zhejiang Limin Industrial Group Co ltd
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Abstract

The utility model belongs to the technical field of the mould, especially, relate to an instrument board epidermis injection mold with compound ejection mechanism, including support body, cooling device and heating device, the support body includes framed, lower framed and bearing seat, and heating device includes: the heating holes are arranged in the heating holes in the side wall of the upper die frame, the heating rods are arranged in the heating holes, and the console is electrically connected with the heating rods; wherein, the heating rod includes: the heating seat connected with the upper mold frame, the heating pipe connected with the heating seat, the heating wire arranged in the heating pipe and the first bulge arranged on the outer side wall of the heating pipe are arranged, and the heating wire is arranged in the heating pipe, so that the injection mold is heated more quickly; the generated heat is transferred to the injection mold, so that the fluidity of the molten material is ensured after the molten material flows into the injection mold.

Description

Header board epidermis injection mold with compound ejection mechanism
Technical Field
The utility model belongs to the technical field of the mould, refer in particular to an header board epidermis injection mold with compound ejection mechanism.
Background
With the rapid development of the plastic industry and the continuous improvement of the strength and the like of general and engineering plastics, the application range of plastic products is also continuously expanded, and the consumption of the plastic products is also rising; the plastic mould is a tool which is matched with a plastic forming machine in the plastic processing industry and gives a complete configuration and an accurate size to a plastic product; because the plastic varieties and processing methods are various, and the structures of the plastic forming machine and the plastic products are various, the types and the structures of the plastic moulds are also various; the plastic mould is a tool for producing plastic products and is composed of several groups of parts, and a forming mould cavity is arranged in the combination; during injection molding, a mold is clamped on an injection molding machine, a molten material is injected into a forming mold cavity and is cooled and shaped in the cavity, then an upper mold and a lower mold are separated, a product is ejected out of the mold cavity from the mold cavity through an ejection system, and finally the mold is closed again for next injection molding, wherein the whole injection molding process is performed in a circulating manner; however, some plastic molds have a large finished product to be molded, for example, an automobile instrument panel, and the temperature just entering the mold is often very high in the injection molding process, and the temperature gradually decreases when the finished product reaches a corner along with the lapse of time, so that the finished product has the problems of not high moldability, easily causing the problems of insufficient injection molding of an injection molding part, filament on the surface, large size tolerance and the like.
The injection mold who is difficult for appearing deformation as patent number CN202022025801.7 discloses, the bottom fixed mounting of injection mold shell body has the base, and the upper end fixed mounting of base has the apron, and the upper end fixed mounting of apron has the pressure case, and the inside fixed mounting who presses the case has the heating rod, but its heating efficiency is not good enough, remains to improve.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the technical problem that above-mentioned exists, provide an header board epidermis injection mold with compound ejection mechanism, reached the effect that makes the mould reduce the influence of temperature to the injection mold formed part at the in-process of moulding plastics.
In view of this, the utility model provides an header board epidermis injection mold with compound ejection mechanism, including support body, cooling device and heating device, the support body includes framed and lower framed, and heating device includes:
the heating hole is formed in the side wall of the upper die frame;
the heating rod is arranged in the heating hole;
the console is electrically connected with the heating rod;
wherein, the heating rod includes:
the heating seat is connected with the upper die frame;
the heating pipe is connected with the heating seat;
the heating wire is arranged in the heating pipe;
the first bulge is arranged on the outer side wall of the heating pipe.
In the technical scheme, the heating wire is arranged in the heating pipe, and the plurality of first bulges arranged on the side wall of the heating pipe increase the heat transfer area of the heating rod, so that the injection mold is heated more quickly; the generated heat is transferred to the injection mold, so that after the molten material flows into the injection mold, the temperature of the molten material lost due to time is reduced, the fluidity of the molten material is ensured, and the molten material can flow to a mold cavity more quickly; the console is electrically connected with the heating rod to control whether the heating rod is heated or not.
In the above technical solution, further, the method further includes:
the water storage interlayer is arranged on the inner layer of the heating pipe.
In the technical scheme, the water storage interlayer is arranged on the inner layer of the heating pipe, and water has good performance of storing heat, so that the heating pipe can work intermittently, and the effect of reducing energy consumption is achieved.
In the above technical solution, further, the method further includes:
graphene layer, graphene layer set up at the heating tube skin.
In this technical scheme, set up graphite alkene layer at the heating pipe skin, graphite alkene has good heat conductivity, makes the faster transmission to injection mold of heat that the heater strip produced.
In the above technical solution, further, the heating base includes:
the connecting part is arranged at one end of the side wall of the heating seat far away from the heating pipe;
and the screw holes are distributed on the connecting part at equal intervals in the circumferential direction.
In this technical scheme, through keeping away from heating pipe one end at heating seat lateral wall and setting up connecting portion, be equipped with the screw hole at connecting portion, go up the die frame and pass more inseparable the connection of screw hole through the screw with the heating seat and be in the same place.
In the above technical solution, further, the method further includes:
and the sealing sleeve is sleeved outside the heating seat.
In this technical scheme, through setting up the seal cover, can improve the leakproofness between heating seat and the heating hole, reduce the heat and scatter and disappear, simultaneously, increase installation stability.
In the above technical solution, further, the method further includes:
and the second bulge is arranged on the sealing sleeve and is positioned between the upper die frame and the connecting part.
In this technical scheme, through set up the second arch that is located between last framed and the connecting portion on the seal bush, further reduce the heat that the heater strip produced and spill from the junction of heating seat and last framed.
In the above technical solution, further, the method further includes:
the lug, the lug setting is kept away from heating pipe one end at the heating seat.
In this technical scheme, keep away from heating pipe one end at the heating seat and set up the lug, when the heating seat produced the damage, cliied the lug through the instrument and taken out the heating rod, played the guard action to the operator.
In the above technical solution, further, the lower mold frame includes:
and the exhaust groove is arranged on the upper surface of the lower die frame.
In the technical scheme, when the injection mold injects the molten material, the exhaust groove is arranged to exhaust air in the mold cavity and various gases generated in the heating process of the material.
The beneficial effects of the utility model are that:
1. a heating wire is arranged in a heating pipe of the heating rod, the heating rod is controlled through electric connection, and a first bulge on the outer side wall of the heating pipe increases the heating area and accelerates the heat transfer speed of the heating rod; the water storage interlayer is arranged to store heat, and the heating rod still can emit heat after stopping working, so that the loss of an electric energy source is reduced; the speed of heat transfer can be accelerated to the graphite alkene layer that sets up, and high temperature resistant sealing ring reduces the heat that the heating rod produced and looses from the junction of heating seat and last framed, and reduces the collision of heating rod and last framed, plays the guard action to the heating rod.
2. The heating rod is taken out through the lifting lugs when the heating rod is damaged by keeping away from one end of the heating pipe on the heating seat, and an operator is protected.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a sectional view of the upper mold frame of the present invention;
FIG. 3 is an enlarged view of the heating rod of the present invention;
the labels in the figures are: 1-frame body, 101-upper die frame, 102-lower die frame, 2-heating hole, 3-heating rod, 301-heating seat, 302-heating pipe, 303-heating wire, 304-first protrusion, 305-sealing sleeve, 3051-second protrusion, 306-water storage interlayer, 307-lifting lug, 308-graphene layer, 4-control console, 5-exhaust groove, 6-connecting part, 7-screw hole, 8-injection molding opening, 9-positioning ring, 10-ejection plate, 11-sinking groove, 12-ejection protrusion, 13-ejection spring and 14-sinking hole.
Detailed Description
The technical solutions in the embodiments of the present application will be described below clearly with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived from the embodiments in the present application by a person skilled in the art, are within the scope of protection of the present application.
Example 1:
this embodiment provides an instrument panel epidermis injection mold with compound ejection mechanism, including support body 1, cooling device and heating device, support body 1 includes framed 101 and lower framed 102, and heating device includes:
the heating hole 2, the heating hole 2 is arranged on the side wall of the upper mold frame 101;
the heating rod 3 is arranged in the heating hole 2;
the control console 4 is electrically connected with the heating rod 3;
wherein, the heating rod 3 includes:
the heating seat 301, the heating seat 301 is connected with the upper mold frame 101;
the heating pipe 302, the heating pipe 302 is connected with the heating base 301;
a heating wire 303, wherein the heating wire 303 is arranged in the heating pipe 302;
a heating ring disposed within the heating tube 302;
a first protrusion 304, wherein the first protrusion 304 is arranged on the outer side wall of the heating pipe 302;
wherein, the heating seat 301 is connected with the upper mold frame 101 by screws, the heating pipe 302 is connected with the heating seat 301 by screw threads, and the first bulge 304 and the heating pipe 302 are integrally formed;
preferably, the lower mold frame 102 is provided with a composite ejection mechanism, and the composite ejection mechanism includes:
the sinking groove (11), the sinking groove (11) is set up on the upper surface of the lower die frame 102;
the counter bore (14), the counter bore (14) is set in sink groove (11);
the ejection plate (10), the ejection plate (10) is arranged in the sinking groove (11);
the ejection bulge (12), the ejection bulge (12) is arranged at the lower side of the ejection plate (10);
the ejection spring (13), the ejection spring (13) is set in the lower surface of the ejection bulge (12), and is connected with the ejection bulge (12);
in the embodiment, the injection molding machine injects the molten material into the injection mold through the injection port 8 at the top end of the upper mold frame 101, and the positioning ring 9 at the top end of the upper mold frame 101 ensures that the injection port 8 of the mold is horizontally and completely coincided with the nozzle of the injection molding machine, so that the installation is convenient, and the injection molding machine is sealed and does not leak glue during injection molding; the heating wire 303 is arranged in the heating rod 3, so that the heating wire 303 works to generate heat, the generated heat is transferred to the mold frame through heat, and the plurality of first bulges 304 arranged on the outer side wall of the heating pipe 302 increase the heat transfer area of the heating rod 3, so that the temperature of the injection mold is increased more quickly; the plurality of heating rods 3 are arranged, so that heat can better cover the injection mold through heat transfer; when the molten material flows to the corners in the mold cavity, the heating rod 3 keeps the molten material entering the mold at a stable temperature and at a stable fluidity, so that the molten material can flow to the mold cavity more quickly, the warping deformation of an injection molding piece is reduced, and meanwhile, the molten material can flow to small corners in the mold cavity, so that the corner parts of the injection molding piece are fuller; the mold filling efficiency of the injection mold and the quality of the injection molding piece are ensured; the console 4 is electrically connected with the heating rod 3 and controls whether the heating rod 3 works or not.
Example 2:
the embodiment provides an injection mold for automobile instrument panel skins with a composite ejection mechanism, which comprises the technical scheme of the embodiment and also has the following technical characteristics.
Further comprising:
the water storage interlayer 306 is arranged on the inner layer of the heating pipe 302;
among them, the heating pipe 302 preferably includes an inner pipe and an outer pipe, and a water storage interlayer 306 is formed by installation.
In this embodiment, it can be seen that, the water storage interlayer 306 is disposed in the inner layer of the heating pipe 302, and the water has good heat storage performance, and when the heating rod 3 generates heat, the heat is stored and transferred to the heating pipe 302, so that the heating rod 3 can intermittently operate to ensure the heating temperature of the heating pipe 302, and the energy loss caused in the heating process is reduced.
Example 3:
the embodiment provides an automobile instrument panel skin injection mold with a composite ejection mechanism, which comprises the technical scheme of the embodiment and also has the following technical characteristics.
Further comprising:
the graphene layer 308, the graphene layer 308 is disposed on the outer layer of the heating tube 302;
the graphene layer 308 is preferably coated on the outer surface of the heating pipe 302 by spraying.
According to the embodiment, the outer layer of the heating pipe 302 is provided with the graphene layer 308, and the graphene has good thermal conductivity, so that heat generated by the heating wire 303 is transferred to the injection mold more quickly, and the heating time required by the injection mold is shortened.
Example 4:
the embodiment provides an injection mold for automobile instrument panel skins with a composite ejection mechanism, which comprises the technical scheme of the embodiment and also has the following technical characteristics.
The heating base 301 includes:
the connecting part 6 is arranged at one end of the side wall of the heating seat 301, which is far away from the heating pipe 302;
the screw holes 7 are circularly distributed on the connecting part 6 at equal intervals;
wherein, the connecting part 6 and the heating seat 301 are integrally formed.
In this embodiment, it can be seen that the upper mold frame 101 is provided with the screw hole 7 which is matched with the specification of the screw hole 7 of the connecting portion 6, so that the upper mold frame 101 and the heating base 301 can be connected by screws; the connection between the upper mold frame 101 and the heating base 301 is more tight.
Example 5:
the embodiment provides an injection mold for automobile instrument panel skins with a composite ejection mechanism, which comprises the technical scheme of the embodiment and also has the following technical characteristics.
Further comprising:
the sealing sleeve 305 is sleeved outside the heating base 301;
among them, the sealing sleeve 305 is preferably made of high-temperature resistant rubber and is preferably made of fluororubber.
In this embodiment, it can be seen that, during the process of closing the frame body 1, the lower mold frame 102 collides with the upper mold frame 101, the generated vibration may cause the heating pipe 302 to collide with the upper mold frame 101, and the sealing sleeve 305 sleeved outside the heating seat 301 reduces the collision between the heating pipe 302 and the upper mold frame 101.
Example 6:
the embodiment provides an injection mold for automobile instrument panel skins with a composite ejection mechanism, which comprises the technical scheme of the embodiment and also has the following technical characteristics.
Further comprising:
a second protrusion 3051, wherein the second protrusion 3051 is disposed on the sealing sleeve 305 and is located between the upper mold frame 101 and the connecting portion 6;
the second protrusion 3051 and the sealing sleeve 305 are preferably integrally formed.
In this embodiment, it can be seen that, by providing the sealing sleeve 305 between the upper mold frame 101 and the connecting portion 6 on the sealing sleeve 305, the heating hole 2 is sealed, so that a sealed cavity is formed in the heating hole 2, and the heat generated by the heating rod 3 is reduced from being dissipated from the connecting portion between the heating seat 301 and the upper mold frame 101.
Example 7:
the embodiment provides an injection mold for automobile instrument panel skins with a composite ejection mechanism, which comprises the technical scheme of the embodiment and also has the following technical characteristics.
Further comprising:
the lifting lug 307 is arranged at one end of the heating seat 301 far away from the heating pipe 302;
wherein, the lifting lug 307 and the heating seat 301 are welded.
In this embodiment, it can be seen that, when the heating rod 3 is damaged, the heating rod 3 is taken out by clamping the lifting lug 307 with a tool, so as to protect an operator; meanwhile, in the heat dissipation process of the die carrier, the heating rod 3 is taken out through the lifting lug 307, and the heating hole 2 can play a role in heat dissipation.
Example 8:
the embodiment provides an injection mold for automobile instrument panel skins with a composite ejection mechanism, which comprises the technical scheme of the embodiment and also has the following technical characteristics.
The lower mold frame 102 includes:
and the exhaust grooves 5 are formed in the upper surface of the lower mold frame 102, and the exhaust grooves 5 are formed in the upper surface of the lower mold frame 102.
In the embodiment, after the mold is closed, the injection molding machine injects the molten material into the injection mold, a closed space is formed in the mold cavity, gas occupies a certain space volume, the filling speed of the molten material is reduced, meanwhile, the molten material extrudes the gas, the gas can stretch into the molten material under a certain compression degree, and the molten material is caused to generate holes, air holes and other quality defects, but the exhaust groove 5 integrally formed with the lower mold frame 102 is arranged, so that the gas in the mold cavity can be discharged through the exhaust groove 5, and the influence of the gas on the mold filling speed and the time for shortening the molding period are reduced.
While the embodiments of the present application have been described in connection with the drawings, the embodiments and features of the embodiments of the present application can be combined with each other without conflict and the present application is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and many modifications may be made by one skilled in the art without departing from the spirit and scope of the present application as claimed.

Claims (8)

1. The utility model provides an instrument panel epidermis injection mold with compound ejection mechanism, includes support body (1), cooling device and heating device, support body (1) is including last framed (101) and lower framed (102), its characterized in that, heating device includes:
the heating hole (2), the heating hole (2) of the heating hole (2) is arranged on the side wall of the upper die frame (101);
the heating rod (3), the said heating rod (3) is set up in the heating hole (2);
the control console (4), the control console (4) is electrically connected with the heating rod (3);
wherein the heating rod (3) comprises:
the heating seat (301), the heating seat (301) is connected with the upper mold frame (101);
the heating pipe (302), the heating pipe (302) is connected with the heating seat (301);
a heating wire (303), the heating wire (303) being arranged within the heating tube (302);
a first protrusion (304), wherein the first protrusion (304) is arranged on the outer side wall of the heating pipe (302).
2. The skin injection mold with composite ejection mechanism for automobile instrument panel according to claim 1, further comprising:
the water storage interlayer (306) is arranged at the inner layer of the heating pipe (302).
3. The skin injection mold with composite ejection mechanism for automobile instrument panel according to claim 2, further comprising:
the graphene layer (308), the graphene layer (308) sets up in heating pipe (302) outer layer.
4. The skin injection mold with composite ejection mechanism for automobile instrument panel according to claim 1, wherein the heating base (301) comprises:
the connecting part (6), the connecting part (6) is arranged at one end of the side wall of the heating seat (301) far away from the heating pipe (302);
screw holes (7), screw holes (7) are the circumference and distribute on connecting portion (6) at equal intervals.
5. The skin injection mold with composite ejection mechanism for automobile instrument panel according to claim 4, further comprising:
the sealing sleeve (305), the sealing sleeve (305) cover is established outside heating seat (301).
6. The skin injection mold with composite ejection mechanism for automobile instrument panel of claim 5, further comprising:
the second protrusion (3051) is arranged on the sealing sleeve (305) and located between the upper die frame (101) and the connecting portion (6).
7. The skin injection mold with composite ejection mechanism for automobile instrument panel according to claim 6, further comprising:
the lifting lug (307) is arranged at one end, far away from the heating pipe (302), of the heating seat (301).
8. The skin injection mold with composite ejection mechanism for automobile instrument panel according to claim 1, wherein the lower mold frame (102) comprises:
and the exhaust groove (5) is arranged on the upper surface of the lower die frame (102).
CN202221591199.6U 2022-06-24 2022-06-24 Header board epidermis injection mold with compound ejection mechanism Active CN217621926U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221591199.6U CN217621926U (en) 2022-06-24 2022-06-24 Header board epidermis injection mold with compound ejection mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221591199.6U CN217621926U (en) 2022-06-24 2022-06-24 Header board epidermis injection mold with compound ejection mechanism

Publications (1)

Publication Number Publication Date
CN217621926U true CN217621926U (en) 2022-10-21

Family

ID=83629699

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221591199.6U Active CN217621926U (en) 2022-06-24 2022-06-24 Header board epidermis injection mold with compound ejection mechanism

Country Status (1)

Country Link
CN (1) CN217621926U (en)

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