CN211101513U

CN211101513U - Mold structure of mold core demolding top feeding of lamp shade

Info

Publication number: CN211101513U
Application number: CN201921879832.XU
Authority: CN
Inventors: 张旭
Original assignee: Changzhou Beichen Machinery Co ltd
Current assignee: Changzhou Beichen Machinery Co ltd
Priority date: 2019-11-04
Filing date: 2019-11-04
Publication date: 2020-07-28
Anticipated expiration: 2029-11-04

Abstract

The utility model discloses a mould structure of core drawing of patterns top feeding of lamp shade, including PMKD and core, both ends all are provided with the sprue about PMKD's inside, and PMKD's inside middle-end is provided with the coolant liquid sprue, the right side of coolant liquid sprue is provided with the through-hole, and the upper and lower both ends of through-hole all are provided with the location guide pin bushing, the internal connection of location guide pin bushing has the location guide arm, and the lower extreme of location guide arm is provided with public mould, the core sets up in the inside middle-end of public mould, and the right-hand member outside of core is connected with the spacing groove. This mould structure of core drawing of patterns top feeding of lamp shade is provided with insulating tube, because the core drawing of patterns must cool off between product and core and just can the complete drawing of patterns, and this is novel for making core cooling rate accelerate, and the cooling effect is better, is provided with insulating tube in the coolant liquid notes a mouthful outside, avoids the coolant liquid to take place the heat transfer between injection in-process and mould, has improved the cooling effect of coolant liquid to the core.

Description

Mold structure of mold core demolding top feeding of lamp shade

Technical Field

The utility model relates to a mold device technical field specifically is a mold structure of core drawing of patterns top feeding of lamp shade.

Background

The core is commonly called as 'loam core' or 'core', and is used for forming a cavity in a casting during casting, the core sand which is usually prepared from sand grains and a binder is manually or mechanically manufactured in a core box, the core box is made of wood or metal, the core is generally dried, the core is arranged in a casting mold before casting, after molten metal is poured and condensed, the core sand is removed during sand discharging, the cavity can be formed in the casting, in order to increase the strength of the core, a framework which is usually made of iron wires or cast iron is arranged in the core, and is called as 'core bone', and the core bone is generally commonly used in an injection mold and is particularly suitable for a lampshade processing mold.

Mould structural design of core drawing of patterns top feeding on market is not reasonable, and is poor to core cooling effect, can cause the problem of certain damage to mould inside when extracting, for this reason, we propose the mould structure of the core drawing of patterns top feeding of lamp shade.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mould structure of core drawing of patterns top feeding of lamp shade to the mould structural design of the core drawing of patterns top feeding that proposes in solving above-mentioned background art is not reasonable, and is poor to core cooling effect, can cause the problem of certain damage to the mould inside when extracting.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a mould structure of core drawing of patterns top feeding of lamp shade, includes PMKD and core, both ends all are provided with the sprue about PMKD's inside, and PMKD's inside middle-end is provided with the coolant liquid sprue, the right side of coolant liquid sprue is provided with the through-hole, and the upper and lower both ends of through-hole all are provided with the location guide pin bushing, the internal connection of location guide pin bushing has the location guide arm, and the lower extreme of location guide arm is provided with public mould, the core sets up in the inside middle-end of public mould, and the right-hand member outside of core is connected with the spacing groove, the inside of spacing groove is provided with the.

Preferably, the cooling liquid injection port comprises a rubber mat and a transfusion pipeline, the left end of the cooling liquid injection port is connected with the rubber mat, and a heat insulation pipeline is arranged on the outer side of the cooling liquid injection port.

Preferably, the rubber mat is connected with the heat preservation pipeline in an adhesion mode, and a communicating structure is formed between the cooling liquid injection port and the heat preservation pipeline.

Preferably, the male die comprises a shaping trough, a core groove and a fixed lantern ring, the shaping trough is arranged inside the male die, the core groove is arranged at the middle end inside the male die, and the fixed lantern ring is fixed at the middle end inside the core groove.

Preferably, the interior of the male die is of a hollow structure, and the shape structure of the core groove is matched with that of the core.

Preferably, the mold core comprises a cooling liquid tank and a fixing plate, the cooling liquid tank is arranged at the middle end in the mold core, and the fixing plate is connected to the right end of the mold core.

Compared with the prior art, the beneficial effects of the utility model are that:

1. The mold structure of the lamp shade for feeding the top of the mold core demolding is provided with the heat preservation pipeline, and the mold core demolding can be completely demolded only by cooling the product and the mold core, so that the novel lamp shade has the advantages that the cooling speed of the mold core is increased, the cooling effect is better, the heat preservation pipeline is arranged on the outer side of the cooling liquid injection port, the heat exchange between the cooling liquid and the mold in the injection process is avoided, and the cooling effect of the cooling liquid on the mold core is improved;

2. Because the mold core has higher rigidity and poorer toughness, in order to avoid the condition that the mold core can not be broken when in work, the novel fixed lantern ring is arranged, the telescopic motion of the mold core can be assisted, and meanwhile, the structure of the mold core groove is matched with that of the mold core, so that the effect of limiting and protecting the mold core can be achieved;

3. In order to prevent the inner wall of the product from being damaged when the mold core is pulled out of the product, a cooling liquid groove is arranged in the mold core, so that the cooling effect of the mold core is increased, and the mold core can be quickly separated from the product.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the male mold structure of the present invention;

Fig. 3 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

In the figure: 1. fixing the bottom plate; 2. a material injection port; 3. a cooling liquid injection port; 301. a rubber pad; 302. a heat-insulating pipeline; 4. a through hole; 5. positioning the guide sleeve; 6. positioning the guide rod; 7. a male die; 701. a sizing trough; 702. a core groove; 703. a fixed collar; 8. a core; 801. a cooling liquid tank; 802. a fixing plate; 9. a limiting groove; 10. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a mold structure for mold core demolding top feeding of a lampshade comprises a fixed bottom plate 1, a feeding port 2, a cooling liquid feeding port 3, a rubber mat 301, a heat preservation pipeline 302, a through hole 4, a positioning guide sleeve 5, a positioning guide rod 6, a male mold 7, a shaping trough 701, a mold core trough 702, a fixed sleeve ring 703, a mold core 8, a cooling liquid trough 801, a fixed plate 802, a limiting trough 9 and a spring 10, wherein the feeding port 2 is arranged at the upper end and the lower end inside the fixed bottom plate 1, and the middle end of the inner part of the fixed bottom plate 1 is provided with a cooling liquid injection port 3, the right side of the cooling liquid injection port 3 is provided with a through hole 4, and the upper and lower ends of the through hole 4 are provided with a positioning guide sleeve 5, the positioning guide sleeve 5 is internally connected with a positioning guide rod 6, the lower end of the positioning guide rod 6 is provided with a male die 7, a mold core 8 is arranged at the middle end in the male die 7, a limiting groove 9 is connected to the outer side of the right end of the mold core 8, and a spring 10 is arranged in the limiting groove 9;

The cooling liquid injection port 3 comprises a rubber cushion 301 and a heat preservation pipeline 302, the left end of the cooling liquid injection port 3 is connected with the rubber cushion 301, the heat preservation pipeline 302 is arranged on the outer side of the cooling liquid injection port 3, the rubber cushion 301 is in bonding connection with the heat preservation pipeline 302, a communicating structure is formed between the cooling liquid injection port 3 and the heat preservation pipeline 302, the heat preservation pipeline 302 is arranged on a mold core demolding top feeding mold structure of the lampshade, and the mold core 8 is required to be cooled between a product and the mold core 8 for demolding completely, so that the cooling speed of the mold core 8 is increased, the cooling effect is better, the heat preservation pipeline 302 is arranged on the outer side of the cooling liquid injection port 3, the heat exchange between the cooling liquid and the mold in the injection process is avoided, and the cooling effect of the cooling liquid on the mold core 8 is improved;

The male die 7 comprises a shaping trough 701, a core trough 702 and a fixed lantern ring 703, the shaping trough 701 is arranged inside the male die 7, the core trough 702 is arranged at the middle end inside the male die 7, the fixed lantern ring 703 is fixed at the middle end inside the core trough 702, the inside of the male die 7 is of a hollow structure, the shape structure of the core trough 702 is matched with that of the core 8, and the novel fixed lantern ring 703 is arranged to assist the telescopic motion of the core 8 and match the structure of the core 8 at the same time, so that the effect of limiting protection on the core 8 can be achieved;

The core 8 includes cooling fluid groove 801 and fixed plate 802, and the inside middle-end of core 8 is provided with cooling fluid groove 801, and the right-hand member of core 8 is connected with fixed plate 802, can not cause the damage to the product inner wall when extracting from the product for making core 8, so this is novel to be provided with cooling fluid groove 801 in core 8 to this increases the cooling effect of core 8, thereby can break away from fast between messenger's core 8 and the product.

The working principle is as follows: for the mold structure of the mold core demolding top feeding of the lampshade, firstly, a male mold 7 is connected with a positioning guide rod 6 and a through hole 4 through a positioning guide sleeve 5, the novel mold is of a top feeding structure, in order to enable the material reducing speed to be faster and the material distribution to be more uniform, the novel mold is provided with four injection ports 2, the injection ports 2 are symmetrical about the central point of a fixed bottom plate 1, when the mold is closed, the injection ports 2 are connected with the through hole 4, the material is injected into a shaping trough 701, meanwhile, cooling liquid enters through a cooling liquid injection port 3, in the mold closing process, a mold core 8 enters into the cooling liquid injection port 3, under the action of a heat insulation pipeline 302, the cooling liquid can not exchange heat with the outside in the injection process, the cooling liquid is ensured to exchange heat after entering into a cooling liquid trough 801, the design can enable the mold core 8 to be rapidly cooled, and the contact surface between the mold core and a product is rapidly cooled, break away from fast between core 8 and the product when can like this, avoid the not enough product inner wall that causes of cooling effect to appear damaging when leading to core 8 to extract, just so accomplish the use of the mould structure of the core drawing of patterns top feeding of whole lamp shade.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a mould structure of core drawing of patterns top feeding of lamp shade, includes PMKD (1) and core (8), its characterized in that: both ends all are provided with sprue (2) about the inside of PMKD (1), and the inside middle-end of PMKD (1) is provided with coolant liquid sprue (3), the right side of coolant liquid sprue (3) is provided with through-hole (4), and the upper and lower both ends of through-hole (4) all are provided with location guide pin bushing (5), the internal connection of location guide pin bushing (5) has location guide arm (6), and the lower extreme of location guide arm (6) is provided with public mould (7), core (8) set up in the inside middle-end of public mould (7), and the right-hand member outside of core (8) is connected with spacing groove (9), the inside of spacing groove (9) is provided with spring (10).

2. The lamp enclosure core stripping top feed mold structure of claim 1, wherein: the cooling liquid injection port (3) comprises a rubber mat (301) and a heat preservation pipeline (302), the left end of the cooling liquid injection port (3) is connected with the rubber mat (301), and the heat preservation pipeline (302) is arranged on the outer side of the cooling liquid injection port (3).

3. The lamp enclosure core stripping top feed mold structure of claim 2, wherein: the rubber mat (301) is connected with the heat insulation pipeline (302) in an adhesion mode, and a communicating structure is formed between the cooling liquid injection port (3) and the heat insulation pipeline (302).

4. The lamp enclosure core stripping top feed mold structure of claim 1, wherein: the male die (7) comprises a shaping trough (701), a core trough (702) and a fixed lantern ring (703), the shaping trough (701) is arranged inside the male die (7), the core trough (702) is arranged at the middle end inside the male die (7), and the fixed lantern ring (703) is fixed at the middle end inside the core trough (702).

5. The lamp enclosure core stripping top feed mold structure of claim 4, wherein: the inner part of the male die (7) is of a hollow structure, and the shape structure of the core groove (702) is matched with the shape structure of the core (8).

6. The lamp enclosure core stripping top feed mold structure of claim 1, wherein: the mold core (8) comprises a cooling liquid tank (801) and a fixing plate (802), the cooling liquid tank (801) is arranged at the middle end in the mold core (8), and the fixing plate (802) is connected to the right end of the mold core (8).