CN213559813U

CN213559813U - Flash port structure of zinc alloy die of optical module

Info

Publication number: CN213559813U
Application number: CN202021518404.7U
Authority: CN
Inventors: 俞照东; 刘炳勇
Original assignee: Shenzhen Aoli Casting Hardware Products Co ltd
Current assignee: Shenzhen Aoli Casting Hardware Products Co ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-06-29
Anticipated expiration: 2030-07-28

Abstract

The utility model discloses an optical module zinc alloy mould flash mouth structure, the flash mouth structure sets up on the back template, including the flash tank, and with the product die cavity that the flash tank is connected, a lateral wall corner of product die cavity is provided with first arc structure, the flash port of flash tank be provided with the corresponding second arc structure of first arc structure, first arc structure with second arc structure is mutually supported and is connected. The utility model provides a pair of optical module zinc alloy mould flash mouth structure, simple structure improves effectually, has eliminated the parallel position from prior art, has only utilized the flash port to cooperate with the arc structure of product die cavity, has both guaranteed the intensity of mould part, has reached the flash port again and has picked up the back section level and smooth-going, section size is accurate, and the outward appearance is pleasing to the eye simultaneously to advantages such as the defective rate of product have been reduced.

Description

Flash port structure of zinc alloy die of optical module

Technical Field

The utility model relates to a mould flash mouth technical field, concretely relates to optical module zinc alloy mould flash mouth structure.

Background

With the continuous development of society, plastic products and zinc, aluminum and magnesium alloy die-casting products which are directly or indirectly used by people are more and more extensive. At present, various plastic products and zinc, aluminum and magnesium alloy die casting products used in daily life or industry are mostly manufactured by using die casting molds. In the production process of the die-casting die, a cavity in the die-casting die contains gas, raw materials enter the cavity from a casting opening and have higher pressure, and if the gas is not discharged out of the cavity in time, a formed workpiece has defects or air holes, so that the product quality is influenced; therefore, the surface of the die plate with the cavity of the die-casting die is provided with a flash port.

However, the overflow port of the existing die-casting die has defects, when gas in the cavity is exhausted, raw materials of workpieces can also enter the overflow port, the pressure of the raw materials entering the overflow port is high, the produced workpieces have flash, the section of the overflow port is uneven after being removed, and the quality of die-casting products is seriously affected.

Therefore, the prior art needs to be improved.

SUMMERY OF THE UTILITY MODEL

In view of the foregoing disadvantages of the prior art, an object of the present invention is to provide an optical module zinc alloy mold flash port structure with a smooth cross section after removing flash port.

For solving the technical problem, the utility model discloses following technical scheme has been taken:

the overflow port structure is arranged on a rear template and comprises an overflow groove and a product cavity connected with the overflow groove, a first arc-shaped structure is arranged at the corner of one side wall of the product cavity, a second arc-shaped structure corresponding to the first arc-shaped structure is arranged at an overflow port of the overflow groove, and the first arc-shaped structure and the second arc-shaped structure are connected in a matched mode.

The flash port structure of the zinc alloy die of the optical module is characterized in that the first arc-shaped structure comprises a first curved surface and a second curved surface, and the curved surfaces of the first curved surface and the second curved surface are opposite in bending direction.

The flash port structure of the zinc alloy die of the optical module is characterized in that the second arc-shaped structure comprises a third curved surface and a fourth curved surface, and the curved surfaces of the third curved surface and the fourth curved surface are opposite in bending direction.

The flash port structure of the zinc alloy die of the optical module is characterized in that the first curved surface is correspondingly contacted with the third curved surface, and the second curved surface is correspondingly contacted with the fourth curved surface.

The flash port structure of the zinc alloy die of the optical module is characterized in that the first curved surface, the second curved surface, the third curved surface and the fourth curved surface have the same curved surface radius and the same arc length.

The flash port structure of the zinc alloy die of the optical module is characterized in that the radius of the first curved surface, the second curved surface, the third curved surface and the fourth curved surface is 0.3 mm.

The overflow port structure of the zinc alloy die of the optical module is characterized in that overflow grooves are connected to two side walls of a product cavity.

The overflow port structure of the zinc alloy die of the optical module is characterized in that the overflow grooves are uniformly distributed.

The zinc alloy die flash port structure of the optical module is characterized in that the number of the flash tanks is at least 1.

An optical module zinc alloy mould comprises a mould body, wherein the mould body is internally provided with the flash port structure of the optical module zinc alloy mould.

Compared with the prior art, the utility model discloses an optical module zinc alloy mould flash mouth structure, the flash mouth structure sets up on the back template, including the flash tank, and with the product die cavity that the flash tank is connected, a lateral wall corner of product die cavity is provided with first arc structure, the flash port of flash tank be provided with the corresponding second arc structure of first arc structure, first arc structure with second arc structure mutually supports and connects. The utility model provides a pair of optical module zinc alloy mould flash mouth structure, simple structure improves effectually, has eliminated the flat position from prior art (the value of b in figure 6), has only utilized the flash port to cooperate with the arc structure of product die cavity, has both guaranteed the intensity of mould part, has reached the flash port again and has picked up the back section level and smooth-going, and the section size is accurate, and the outward appearance is pleasing to the eye simultaneously to advantages such as the defective rate of product have been reduced.

Drawings

The invention will be further explained with reference to the drawings and examples, wherein:

fig. 1 is a rear mold core structure axial view diagram with a zinc-alloy mold flash port structure of the optical module provided by the utility model.

Fig. 2 is a schematic view of the flash port structure of the zinc alloy mold with the optical module provided by the present invention.

Fig. 3 is the utility model provides an optical module zinc alloy mould flash mouth structure have the structure sketch map of runner and product die cavity.

Fig. 4 is an enlarged view of a portion a in fig. 3.

Fig. 5 is an enlarged view of fig. 4 at B.

FIG. 6 is a diagram of a prior art flash structure.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "on," "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

It should be noted that the terms of orientation such as left, right, up and down in the embodiments of the present invention are only relative to each other or are referred to the normal use state of the product, and should not be considered as limiting.

The embodiment of the utility model provides an optical module zinc alloy mould flash mouth structure please refer to fig. 1-5, the flash mouth structure sets up on back mold core 1 of back template, including flash tank 2, and with the product die cavity 3 that flash tank 2 is connected, a lateral wall corner of product die cavity 3 is provided with first arc structure 4, flash tank 2's flash port 5 be provided with the corresponding second arc structure 6 of first arc structure 4, first arc structure 4 with second arc structure 6 is mutually supported and is connected.

In the embodiment, the overflow port structure of the zinc alloy die of the optical module is arranged on the rear die core 1 of the rear die plate, specifically, in the product die-casting process, the product is about to be die-cast, the gas in the product cavity 3 is discharged into the overflow trough 2 through the overflow port 5, when the gas is discharged, the workpiece raw material also enters the overflow trough 2 through the overflow port 5, the corner of one side wall of the product cavity 3 is communicated with the overflow port 5, the first arc-shaped structure 4 is arranged on the overflow port 5, the second arc-shaped structure 6 is arranged on the overflow port 5, by utilizing the special structures of the first arc-shaped structure and the second arc-shaped structure, the mutual matching connection is realized, the level value (value b in fig. 6) at the overflow port 5 in the prior art is eliminated, and the connection mode of the product cavity 3 and the overflow port 5 is optimized, thereby make the section of flash mouth excision back product more level and smooth, size and outward appearance also can not receive the influence, the technical scheme improvement point simple and practical of this application has fine popularization nature.

Further, referring to fig. 4 and 5, in the present embodiment, the first arc-shaped structure 4 includes a first curved surface 41 and a second curved surface 42, and curved surfaces of the first curved surface 41 and the second curved surface 42 are bent in opposite directions.

Specifically, a first arc-shaped structure 4 is arranged at a corner of one side wall of the product cavity 3, and two curved surfaces with opposite bending directions are utilized, so that the defect that the section of a product is uneven after the flash port 5 is removed can be effectively avoided in the process of removing the flash port 5, and the strength of a mold part is ensured, thereby further reducing the reject ratio of the product and the like.

Further, with reference to fig. 5, in order to be matched with the first arc-shaped structure 4 correspondingly, a second arc-shaped structure 6 is disposed on the flash port 5, wherein the second arc-shaped structure 6 includes a third curved surface 61 and a fourth curved surface 62, and curved surfaces of the third curved surface 61 and the fourth curved surface 62 are bent in opposite directions.

Specifically, the first curved surface 41 is correspondingly contacted with the third curved surface 61, and the second curved surface 42 is correspondingly contacted with the fourth curved surface 62, that is, the curved surface bending direction of the first curved surface 41 is the same as the curved surface bending direction of the third curved surface 61, and the curved surface bending direction of the second curved surface 42 is the same as the curved surface bending direction of the fourth curved surface 62.

With reference to fig. 5, further, the first curved surface 41, the second curved surface 42, the third curved surface 61, and the fourth curved surface 62 have the same radius and the same arc length, so as to facilitate the mutual cooperation.

Furthermore, as an optimization, the radius of the first curved surface 41, the second curved surface 42, the third curved surface 61 and the fourth curved surface 62 is 0.3mm, which is more beneficial to the flowing of the workpiece raw material and the leveling of the section of the formed product.

Referring to fig. 3, further, two side walls of the product cavity 3 are connected to flash tanks 2, the flash tanks 2 are uniformly distributed, and the number of the flash tanks 2 is at least 1, in this embodiment, the number of the flash tanks 2 is preferably 8, which can be selected according to the structure of the product, so that the appearance and size of the product are not affected.

Based on foretell optical module zinc alloy mould flash mouth structure, the utility model also provides an optical module zinc alloy mould, which comprises a mould body, this internal being provided with of mould as above-mentioned optical module zinc alloy mould flash mouth structure.

To sum up, the utility model discloses an optical module zinc alloy mould flash mouth structure, the flash mouth structure sets up on the back template, including the flash tank, and with the product die cavity that the flash tank is connected, a lateral wall corner of product die cavity is provided with first arc structure, the flash port of flash tank be provided with the corresponding second arc structure of first arc structure, first arc structure with second arc structure mutually supports and connects. The utility model provides a pair of optical module zinc alloy mould flash mouth structure, simple structure improves effectually, has eliminated the flat position from prior art (the value of b in figure 6), has only utilized the flash port to cooperate with the arc structure of product die cavity, has both guaranteed the intensity of mould part, has reached the flash port again and has picked up the back section level and smooth-going, and the section size is accurate, and the outward appearance is pleasing to the eye simultaneously to advantages such as the defective rate of product have been reduced.

The embodiments of the present invention have been described with reference to the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention, and these forms are within the scope of the present invention.

Claims

1. The overflow port structure is arranged on a rear template and is characterized by comprising an overflow groove and a product cavity connected with the overflow groove, wherein a first arc-shaped structure is arranged at a corner of one side wall of the product cavity, a second arc-shaped structure corresponding to the first arc-shaped structure is arranged at an overflow port of the overflow groove, and the first arc-shaped structure and the second arc-shaped structure are mutually matched and connected.

2. The optical module zinc alloy mold flash structure according to claim 1, wherein the first arc-shaped structure comprises a first curved surface and a second curved surface, and the curved surfaces of the first curved surface and the second curved surface are bent in opposite directions.

3. The optical module zinc alloy mold flash port structure of claim 2, wherein the second arc-shaped structure comprises a third curved surface and a fourth curved surface, and the curved surfaces of the third curved surface and the fourth curved surface are opposite in bending direction.

4. The optical module zinc alloy mold flash port structure of claim 3, wherein the first curved surface is in corresponding contact with the third curved surface, and the second curved surface is in corresponding contact with the fourth curved surface.

5. The optical module zinc alloy mold flash port structure of claim 4, wherein the first curved surface, the second curved surface, the third curved surface and the fourth curved surface have the same radius of curvature and the same arc length.

6. The optical module zinc alloy mold flash structure of claim 5, wherein the first curved surface, the second curved surface, the third curved surface and the fourth curved surface have a curved surface radius of 0.3 mm.

7. The optical module zinc alloy mold flash port structure of claim 1, wherein flash tanks are connected to both side walls of the product cavity.

8. The optical module zinc alloy mold flash structure of claim 7, wherein the flash grooves are uniformly distributed.

9. The zinc alloy die flash port structure of claim 5, wherein the number of flash tanks is at least 1.

10. An optical module zinc alloy die, which comprises a die body, and is characterized in that the die body is internally provided with the flash opening structure of the optical module zinc alloy die as claimed in any one of claims 1 to 9.