CN218985669U

CN218985669U - Quick heat radiation structure of mould thimble

Info

Publication number: CN218985669U
Application number: CN202223582679.9U
Authority: CN
Inventors: 张子皓
Original assignee: Shanghai Feixin Plastic Mould Forming Co ltd
Current assignee: Shanghai Feixin Plastic Mould Forming Co ltd
Priority date: 2022-12-31
Filing date: 2022-12-31
Publication date: 2023-05-09
Anticipated expiration: 2032-12-31

Abstract

The utility model discloses a quick heat dissipation structure of a mold ejector pin, and relates to the technical field of molds. The utility model comprises an upper template, a lower template, a male die core and a female die core, wherein the male die core is fixedly connected to the bottom of the upper template, the female die core is fixedly connected to the top of the lower template, the lower surface of the male die core is matched with the upper surface of the female die core and can form a forming cavity after being closed, the middle part of the upper surface of the lower template is fixedly connected with a base, the top of the base is fixedly connected with a cover plate, a heat dissipation cavity is formed by enclosing between the base and the cover plate, and a heat dissipation component is arranged on the inner bottom wall of the heat dissipation cavity. According to the utility model, through the arrangement of the base table, the cover plate, the heat dissipation cavity and the heat dissipation assembly, the bottom of the thimble is directly connected to the heat dissipation plate, the heat of the thimble can be rapidly transferred to the heat dissipation plate, the heat is diffused in the heat dissipation plate, the cooling water can circulate in the heat dissipation cavity, the disturbance to the water flow is realized through the shunt ball, the scouring effect is improved, and the heat dissipation to the heat dissipation plate and the bottom of the thimble is effectively realized.

Description

Quick heat radiation structure of mould thimble

Technical Field

The utility model belongs to the technical field of dies, and particularly relates to a quick heat dissipation structure of a die ejector pin.

Background

Plastic products are widely used in various fields, particularly in the automobile parts production and manufacturing process, due to their excellent comprehensive properties and low production cost. Plastic products are usually formed by injection molding, which is also called injection molding, and is a molding method of injection and molding. Injection molding is a method in which a plastic material which is completely melted by stirring with a screw at a certain temperature is injected into a cavity at high pressure and cooled and solidified to obtain a molded product.

The existing auto-parts injection mold needs to directly finish the opening of the hole to the mould of production when using, therefore need to use more thimble structures to realize the opening of hole when moulding plastics, when using, the thimble can direct contact with the plastics raw materials under the hot melt state, can directly cause the thimble to heat up and influence subsequent production like this, and for this, we improve this, propose a quick heat radiation structure of mould thimble.

Disclosure of Invention

The utility model aims to provide a quick heat dissipation structure of a mold thimble, which solves the problem that the temperature rise of the thimble directly causes the influence on subsequent production because the thimble can be directly contacted with plastic raw materials in a hot melting state when the existing quick heat dissipation structure of the mold thimble is used.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a quick heat dissipation structure of a mold ejector pin, which comprises an upper mold plate, a lower mold plate, a male mold core and a female mold core, wherein the male mold core is fixedly connected to the bottom of the upper mold plate, the female mold core is fixedly connected to the top of the lower mold plate, the lower surface of the male mold core is matched with the upper surface of the female mold core and can form a molding cavity after being closed, the middle part of the upper surface of the lower mold plate is fixedly connected with a base, the top of the base is fixedly connected with a cover plate, a heat dissipation cavity is formed by enclosing between the base and the cover plate, a heat dissipation assembly is arranged on the inner bottom wall of the heat dissipation cavity, and a plurality of ejector pins are penetrated on the inner bottom wall of the female mold core.

Furthermore, guide sleeves are embedded at four corners of the upper surface of the female die core, and guide rods matched with the guide sleeves are fixedly connected at four corners of the lower surface of the male die core.

Furthermore, a positioning bolt penetrates through the inner bottom wall of the base, one end of the positioning bolt penetrating through the base is fixedly connected with the female die core, and the base and the cover plate are assembled into a whole through the fixing bolt.

Further, a cooling liquid injection nozzle and a cooling liquid discharge nozzle are respectively arranged on one side of the cover plate, a partition plate is fixedly connected to the middle of the inner bottom wall of the cover plate, the partition plate divides the heat dissipation cavity into two parts, and a serial channel is formed between one end of the partition plate, which is far away from the cooling liquid injection nozzle, and the base station.

Further, the heat dissipation assembly comprises a heat dissipation plate fixedly installed in the middle of the upper surface of the base, a flow distribution ball is fixedly connected to the upper surface of the heat dissipation plate, and a flow distribution channel is formed in the side wall of the flow distribution ball.

Further, the bottom ends of the ejector pins are fixedly connected with the heat dissipation plate, and the top ends of the ejector pins penetrate through the female die core and extend to the middle of the forming cavity.

The utility model has the following beneficial effects:

through base station, apron, the setting of radiating cavity, radiator unit and thimble, the bottom lug connection of thimble can be transmitted to the heating panel rapidly to the heat of thimble self, carries out thermal diffusion in the heating panel, and the cooling water can circulate in the radiating cavity, realizes the disturbance to rivers through the reposition of redundant personnel ball, improves the scouring effect, effectively realizes the heat dissipation to heating panel and thimble bottom, guarantees the radiating effect and the holistic life of mould of thimble.

Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those skilled in the art from this disclosure that the drawings described below are merely exemplary and that other embodiments may be derived from the drawings provided without undue effort.

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of the lower mold plate, female mold insert and ejector pin of the present utility model;

FIG. 3 is a schematic view of the structure of the base, cover and heat dissipating assembly of the present utility model;

FIG. 4 is a schematic view of the second view structure of FIG. 3 according to the present utility model;

fig. 5 is a front view of fig. 3 in accordance with the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. an upper template; 2. a lower template; 3. a male mold core; 4. a female mold core; 5. a thimble; 6. a base station; 7. a cover plate; 8. a heat dissipation cavity; 9. a heat dissipation assembly; 901. a heat dissipation plate; 902. a shunt ball; 903. a shunt channel; 10. a guide sleeve; 11. positioning bolts; 12. a fixing bolt; 14. a cooling liquid injection nozzle; 15. a cooling liquid discharge nozzle; 16. a partition plate.

Detailed Description

Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus consistent with some aspects of the disclosure as detailed in the accompanying claims.

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the present utility model is a fast heat dissipation structure for a mold ejector pin, which comprises an upper mold plate 1, a lower mold plate 2, a male mold core 3 and a female mold core 4, wherein the male mold core 3 is fixedly connected to the bottom of the upper mold plate 1, the female mold core 4 is fixedly connected to the top of the lower mold plate 2, the lower surface of the male mold core 3 and the upper surface of the female mold core 4 are adapted and closed to form a molding cavity, when in use, a molten plastic material can be injected into the molding cavity through the upper mold plate, a base 6 is fixedly connected to the middle of the upper surface of the lower mold plate 2, a cover plate 7 is fixedly connected to the top of the base 6, a heat dissipation cavity 8 is formed by enclosing the base 6 and the cover plate 7, a water circulation is formed in the heat dissipation cavity 8, a heat dissipation assembly 9 is provided on the inner bottom wall of the heat dissipation cavity 8, and a plurality of ejector pins 5 are provided on the inner bottom wall of the female mold core 4.

As shown in fig. 1, 2, 3, 4 and 5, the four corners of the upper surface of the female mold core 4 are embedded with guide sleeves 10, the four corners of the lower surface of the male mold core 3 are fixedly connected with guide rods matched with the guide sleeves 10, and the matching of the guide sleeves 10 and the guide rods can improve the butt joint efficiency of the male mold core 3 and the female mold core 4, so that the overall closing stability is improved.

The positioning bolt 11 is worn to be equipped with by the interior bottom wall of base station 6, and positioning bolt 11 penetrates the one end and the female die benevolence 4 fixed connection of base station 6, assembles integratively through fixing bolt 12 between base station 6 and the apron 7, connects integratively base station 6 and apron 7 through fixing bolt, still can set up a sealing washer between base station 6 and apron 7 when in actual use, and the sealing washer can select rubber materials, can further improve waterproof performance through the sealing washer, effectively avoids coolant liquid to spill over when the cooling.

As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, a cooling liquid injection nozzle 14 and a cooling liquid discharge nozzle 15 are respectively installed at one side of the cover plate 7, a partition plate 16 is fixedly connected to the middle part of the inner bottom wall of the cover plate 7, the partition plate 16 divides the heat dissipation cavity 8 into two parts, one end of the partition plate 16, which is far away from the cooling liquid injection nozzle 14, and a serial channel is formed between the base 6, and when in use, the cooling liquid injection nozzle 14 and the cooling liquid discharge nozzle 15 are respectively connected with a device for supplying cooling liquid through pipelines, the cooling liquid is injected into the heat dissipation cavity through the cooling liquid injection nozzle 14 through the device for supplying cooling liquid, is discharged through the cooling liquid discharge nozzle 15 after flowing through the heat dissipation cavity once, and heat in the heat dissipation cavity is dissipated through water flow.

As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the heat dissipation assembly 9 includes the heating panel 901 of fixed mounting in 6 upper surface middles of base, the last fixed surface of heating panel 901 is connected with the reposition of redundant personnel ball 902, the reposition of redundant personnel passageway 903 has been seted up to the lateral wall of reposition of redundant personnel ball 902, rivers are when the circulation of heat dissipation intracavity, contact reposition of redundant personnel ball 902, realize the dispersion to rivers through reposition of redundant personnel ball 902, the purpose of vortex has been reached, rivers are when flowing, on the one hand can directly drive the heat of heating panel 901, on the other hand rivers can also directly wash a plurality of thimble 5, directly accomplish the heat dissipation to liquid through thimble 5, set up the heat transfer and can even dispersion of heating panel 901 still be in the heat transfer of heat with thimble 5 directly, like this can directly reduce the heat bearing of thimble 5.

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

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any adaptations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope of the disclosure being indicated by the following claims.

Claims

1. The utility model provides a quick heat radiation structure of mould thimble, includes cope match-plate pattern (1), lower bolster (2), public mould benevolence (3) and master mould benevolence (4), public mould benevolence (3) fixed connection is in the bottom of cope match-plate pattern (1), master mould benevolence (4) fixed connection is in the top of lower bolster (2), the upper surface looks adaptation and the closed back that can form a shaping die cavity of public mould benevolence (3) and master mould benevolence (4), its characterized in that: the middle part fixedly connected with base station (6) of lower bolster (2) upper surface, the top fixedly connected with apron (7) of base station (6), enclose between base station (6) and apron (7) and close and form a heat dissipation chamber (8), the interior bottom wall of heat dissipation chamber (8) is provided with heat dissipation subassembly (9), the interior bottom wall of master model benevolence (4) wears to be equipped with a plurality of thimble (5).

2. The quick heat dissipation structure of a mold ejector pin according to claim 1, wherein guide sleeves (10) are embedded at four corners of the upper surface of the female mold core (4), and guide rods matched with the guide sleeves (10) are fixedly connected at four corners of the lower surface of the male mold core (3).

3. The quick heat dissipation structure of a mold ejector pin according to claim 1, wherein a positioning bolt (11) is arranged on the inner bottom wall of the base station (6) in a penetrating manner, one end of the positioning bolt (11) penetrating into the base station (6) is fixedly connected with the female mold core (4), and the base station (6) and the cover plate (7) are assembled into a whole through a fixing bolt (12).

4. The quick heat dissipation structure of a mold ejector pin according to claim 3, wherein a cooling liquid injection nozzle (14) and a cooling liquid discharge nozzle (15) are respectively installed on one side of the cover plate (7), a partition plate (16) is fixedly connected to the middle of the inner bottom wall of the cover plate (7), the partition plate (16) divides the heat dissipation cavity (8) into two parts, and a serial channel is formed between one end of the partition plate (16) far away from the cooling liquid injection nozzle (14) and the base station (6).

5. The quick heat dissipation structure of a mold ejector pin according to claim 1, wherein the heat dissipation assembly (9) comprises a heat dissipation plate (901) fixedly mounted on the middle part of the upper surface of the base (6), a flow distribution ball (902) is fixedly connected to the upper surface of the heat dissipation plate (901), and a flow distribution channel (903) is formed in the side wall of the flow distribution ball (902).

6. The quick heat dissipation structure of mold ejector pins according to claim 5, wherein bottom ends of the ejector pins (5) are fixedly connected with the heat dissipation plate (901), and top ends of the ejector pins (5) penetrate through the female mold core (4) and extend to the middle of the molding cavity.