CN215550571U - Mould with internal flow angle - Google Patents

Abstract

The utility model provides a die with an internal flow angle, which relates to the technical field of dies and comprises a panel, an upper template and a lower template, wherein the upper template is arranged on the lower surface of the panel; the center of the panel is provided with a feeding port; an upper die core plate is arranged in the upper die plate, a lower die core plate is arranged in the lower die plate, the lower surface of the upper die core plate is connected with the upper surface of the lower die core plate, and a forming cavity is formed between the upper die core plate and the lower die core plate; a flow passage is also arranged between the upper die core plate and the lower die core plate and is used for communicating the injection port with the forming cavity; the inner flow angle is arranged at the communication position of the flow channel and the forming cavity, the discharge hole of the inner flow angle is bent to the inner side of the forming cavity, offset printing generated by the contact of the discharge hole and the forming cavity can be arranged on the inner side of a formed product, and the use and the appearance aesthetic feeling of the outer surface of the product are not influenced.

Description

Mould with internal flow angle

Technical Field

The utility model relates to the technical field of dies, in particular to a die with an internal flow angle.

Background

The die and various dies and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production are widely used for blanking, die forging, cold heading, extrusion, powder metallurgy part pressing, pressure casting, and the forming processing of compression molding or injection molding of products such as engineering plastics, rubber, ceramics and the like. When the existing mold is used for injection molding, because the discharge port is in direct contact with the outer surface of the molding cavity, offset printing can be generated at the contact part when an injection molding product is demoulded, so that defects such as offset printing and the like can be generated on the outer surface of the molded product, and the quality and the yield of the product are influenced.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a die with an internal flow angle.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the improvement of a mold with an inner flow angle is that: the upper template is arranged on the lower surface of the panel, and the lower template is arranged on the lower surface of the upper template; the center of the panel is provided with a feeding port; an upper die core plate is arranged in the upper die plate, a lower die core plate is arranged in the lower die plate, the lower surface of the upper die core plate is connected with the upper surface of the lower die core plate, and a forming cavity is formed between the upper die core plate and the lower die core plate; a flow passage is also arranged between the upper die core plate and the lower die core plate and is used for communicating the injection port with the forming cavity; an inner flow angle is arranged at the communication position of the flow channel and the forming cavity, and a discharge hole of the inner flow angle is bent to the inner side of the forming cavity.

In the structure, the lower surface of the upper template and the upper surface of the lower template are both provided with grooves, the upper die core plate is embedded in the grooves of the upper template, and the lower die core plate is embedded in the grooves of the lower template.

In the above structure, the bottom corner of the upper mold core plate is provided with a notch, and the lower mold core plate is provided with a projection corresponding to the notch for positioning the upper mold core plate and the lower mold core plate.

In the structure, the device also comprises a bottom plate and two supporting plates, wherein the supporting plates are arranged between the lower surface of the lower template and the upper surface of the bottom plate;

an ejector pin plate is further arranged between the two supporting plates, and a plurality of ejector pins are arranged on the ejector pin plate.

The utility model has the beneficial effects that: the inner flow angle is arranged at the communication position of the flow channel and the forming cavity, so that the discharge port is bent to the inner side of the forming cavity, and offset printing generated by the contact of the discharge port and the forming cavity is also arranged on the inner side of a formed product, and the use and the appearance aesthetic feeling of the outer surface of the product are not influenced.

Drawings

FIG. 1 is a schematic view of the overall structure of a mold with an inside flow angle according to the present invention.

Fig. 2 is an exploded pictorial illustration of fig. 1.

Fig. 3 is an enlarged schematic view of the internal flow angle of the present invention.

Fig. 4 is an exploded view of the upper and lower core plates of fig. 2.

Detailed Description

The utility model is further illustrated with reference to the following figures and examples.

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention. In addition, all the connection/connection relations referred to in the patent do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection auxiliary components according to specific implementation conditions. All technical characteristics in the utility model can be interactively combined on the premise of not conflicting with each other.

Referring to fig. 1, 2 and 3, the utility model discloses a mold with an internal flow angle, which comprises a panel 1, an upper template 2, a lower template 3, a bottom plate 4 and two supporting plates 5, wherein the upper template 2 is arranged on the lower surface of the panel 1, and the lower template 3 is arranged on the lower surface of the upper template 2; a filling port 6 is arranged in the center of the panel 1, an upper mold core plate 7 is arranged in the upper mold plate 2, a lower mold core plate 8 is arranged in the lower mold plate 3, the lower surface of the upper mold core plate 7 is connected with the upper surface of the lower mold core plate 8, and a forming cavity 9 is formed between the upper mold core plate 7 and the lower mold core plate 8; a flow passage is also arranged between the upper die core plate 7 and the lower die core plate 8 and is used for communicating the injection port 6 with the molding cavity 9; the supporting plate 5 is arranged between the lower surface of the lower template 3 and the upper surface of the bottom plate 4; still be equipped with thimble board 10 between two backup pads 5, be equipped with a plurality of thimbles on the thimble board 10, during moulding plastics, the stock of moulding plastics gets into the runner through sprue 6 the runner is equipped with interior flow angle 11 with the intercommunication department of shaping chamber 9, the discharge gate 12 of interior flow angle 11 is crooked to the inboard of shaping chamber 9, the stock enters into shaping chamber 9 through discharge gate 12, make the blank obtain corresponding three-dimensional shape and shaping, after the product shaping, the ejecting injection moulding product of thimble, accomplish and mould plastics, and make discharge gate 12 and shaping chamber 9 contact and the offset printing that produces in the inboard of shaping product, avoid discharge gate 12 and the surface contact of shaping chamber 9 to produce the offset printing, thereby there are flaws such as bump on the surface of shaping product when avoiding leading to the injection moulding product drawing of patterns, guarantee the use and the outward appearance aesthetic feeling of product.

Referring to fig. 4, grooves are formed in the lower surface of the upper template 2 and the upper surface of the lower template 3, the upper mold core plate 7 is embedded in the groove of the upper template 2, and the lower mold core plate 8 is embedded in the groove of the lower template 3; furthermore, the bottom corner of the upper mold core plate 7 is provided with a notch 13, and the lower mold core plate 8 is provided with a convex block 14 corresponding to the notch 13, so that the upper mold core plate 7 and the lower mold core plate 8 can be conveniently positioned.

According to the die with the internal flow angle, the internal flow angle is arranged at the communication position of the flow channel and the forming cavity, so that the discharge port is bent to the inner side of the forming cavity, offset printing generated by contact of the discharge port and the forming cavity is also arranged on the inner side of a formed product, and the use of the outer surface of the product and the aesthetic feeling of the appearance are not influenced.

While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims (4)

1. The utility model provides a mould with interior flow angle which characterized in that: the upper template is arranged on the lower surface of the panel, and the lower template is arranged on the lower surface of the upper template;

the center of the panel is provided with a feeding port;

an upper die core plate is arranged in the upper die plate, a lower die core plate is arranged in the lower die plate, the lower surface of the upper die core plate is connected with the upper surface of the lower die core plate, and a forming cavity is formed between the upper die core plate and the lower die core plate;

a flow passage is also arranged between the upper die core plate and the lower die core plate and is used for communicating the injection port with the forming cavity;

an inner flow angle is arranged at the communication position of the flow channel and the forming cavity, and a discharge hole of the inner flow angle is bent to the inner side of the forming cavity.

2. The die with an inside flow angle of claim 1, wherein: the lower surface of cope match-plate pattern and the upper surface of lower bolster all are equipped with the recess, upper die benevolence board inlays in the recess of cope match-plate pattern, lower die benevolence board inlays in the recess of lower bolster.

3. A mold with an inside flow angle according to claim 2, wherein: the bottom corner of the upper die core plate is provided with a notch, and the lower die core plate is provided with a lug corresponding to the notch and used for positioning the upper die core plate and the lower die core plate.

4. A mold with an inside flow angle according to claim 3, wherein: the support plate is arranged between the lower surface of the lower template and the upper surface of the bottom plate;

an ejector pin plate is further arranged between the two supporting plates, and a plurality of ejector pins are arranged on the ejector pin plate.

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