Spectacle frame injection mold

Abstract

The utility model provides a spectacle frame injection mold and relates to the technical field of injection molds. Two cooling fans are symmetrically mounted at the top of the injection molding fixed mold, and two air inlet bottom covers are symmetrically mounted at the bottom of the injection molding fixed mold; a bent pipe cooler is connected outside the injection molding fixed mold, cooling fins are arranged outside the bent pipe cooler at equal intervals, cooling liquid circulates in the bent pipe cooler, and a circulating pump is mounted on a pipeline of the bent pipe cooler. External low-temperature air is conveyed into the square heat dissipation holes through the heat dissipation fan, the heat dissipation area of the injection molding fixed mold is increased through the heat conducting fins, heat contained in the injection molding fixed mold can be rapidly released to the outside, low-temperature cooling liquid in the elbow cooler is conveyed into the heat dissipation channels through the circulating pump, auxiliary cooling is conducted on the injection molding fixed mold, and the cooling efficiency is improved. The outside of the elbow cooler is cooled through water in the water tank, air cooling heat dissipation is mainly achieved, liquid cooling heat dissipation is assisted, the efficient cooling effect of an injection molding fixed mold is guaranteed, and time consumed for cooling and curing the spectacle frame is shortened.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to an injection mold for a spectacle frame. Background Art

[0002] Glasses are composed of lenses and frames, and are used to improve vision, protect the eyes or for decorative purposes. Glasses can correct a variety of vision problems, including myopia, hyperopia, astigmatism, presbyopia, strabismus or amblyopia. Glasses frames are made of two materials: metal and plastic. Plastic glasses frames are usually produced by injection molding, so special injection molds are required.

[0003] Currently, existing injection molds generally use air cooling to cool and dissipate heat during use, but the actual application effect is not good. The heat generated inside the mold due to injection molding is difficult to release to the outside in a short period of time, resulting in high mold temperature. The glasses frames take a long time to cool and solidify, and the injection molding efficiency is low, which greatly affects the production progress. Utility Model Content

[0004] The present disclosure relates to an injection mold for eyeglass frames, which solves the problem that existing injection molds generally use air cooling to cool and dissipate heat during use, but the actual application effect is poor. The heat generated inside the mold due to injection molding is difficult to release to the outside in a short time, resulting in the mold temperature remaining high. The eyeglass frames need to spend a long time to cool and solidify, and the injection molding efficiency is low, which affects the production progress.

[0005] In a first aspect of the present disclosure, an injection mold for an eyeglass frame is provided, which specifically includes: an injection mold, a cooling fan, an air intake bottom cover, a curved pipe cooler and a circulation pump; two cooling fans are symmetrically installed on the top of the injection mold, and two air intake bottom covers are symmetrically installed on the bottom of the injection mold; the outside of the injection mold is connected to the curved pipe cooler, cooling fins are equidistantly arranged on the outside of the curved pipe cooler, coolant circulates inside the curved pipe cooler, and a circulation pump is installed on the pipeline of the curved pipe cooler.

[0006] Furthermore, two heat dissipation square holes are symmetrically arranged inside the injection mold, and heat conducting plates are arranged in an array inside the heat dissipation square holes.

[0007] Furthermore, the cooling fan is connected to the top of the cooling square hole provided in the injection mold. When the movable injection mold and the fixed injection mold are combined to perform the injection molding of the glasses frame, the cooling fan transports the external low-temperature air into the cooling square hole, and increases the cooling area of ​​the fixed injection mold through the heat conducting plate, so that the heat contained in the fixed injection mold can be quickly released to the outside.

[0008] Furthermore, the bottom of the heat dissipation square hole is connected to the air intake bottom cover, and the air intake bottom cover is arranged with air intake holes in an array. The air intake holes are funnel-shaped, and the end with a smaller aperture of the air intake hole faces the heat dissipation square hole. When the air passes through the air intake hole, the cross-section gradually shrinks, the air is compressed and the flow rate is accelerated, and the air temperature drops, so that the temperature of the air entering the heat dissipation square hole is reduced.

[0009] Furthermore, a heat dissipation channel is provided inside the injection mold, the heat dissipation channel is curved up and down, and a coolant flows inside the heat dissipation channel.

[0010] Furthermore, the liquid inlet end of the elbow cooler is connected to the liquid outlet end of the heat dissipation channel provided in the injection fixed mold, the liquid inlet end of the heat dissipation channel is connected to the liquid outlet end of the elbow cooler, and the elbow cooler is immersed in the water tank.

[0011] Furthermore, a pressure relief valve is installed on the top of the elbow cooler, and the elbow cooler is connected to the heat dissipation channel through a circulation pump. While the air cooling is in progress, the circulation pump is running, and the circulation pump transports the low-temperature coolant inside the elbow cooler to the heat dissipation channel to assist in cooling the injection mold. The coolant carrying heat inside the heat dissipation channel flows back to the elbow cooler, and the outside of the elbow cooler is cooled by the water in the water tank.

[0012] The utility model provides an injection mold for eyeglass frames, which has the following beneficial effects:

[0013] When the utility model is in use, when the movable injection mold and the fixed injection mold are combined to perform the injection molding of the eyeglass frame, the heat dissipation fan transports the low-temperature air from the outside into the heat dissipation square hole, and increases the heat dissipation area of ​​the fixed injection mold through the heat conductive sheet, so that the heat contained in the fixed injection mold can be quickly released to the outside, shortening the cooling and solidification time of the eyeglass frame, thereby improving the injection molding processing efficiency of the eyeglass frame; when the air passes through the air inlet hole, the cross section gradually decreases, the air is compressed and the flow rate is accelerated, the air temperature drops, the temperature of the air entering the heat dissipation square hole is reduced, and the cooling effect of the fixed injection mold is improved.

[0014] In addition, while the air cooling is in progress, the circulating pump is running, and the circulating pump transports the low-temperature coolant inside the elbow cooler to the heat dissipation channel to assist in cooling the injection mold. The coolant carrying heat inside the heat dissipation channel flows back to the elbow cooler, and the outside of the elbow cooler is cooled by the water in the water tank to ensure efficient cooling of the injection mold. When the coolant in the elbow cooler and the heat dissipation channel heats up, the air in the top of the elbow cooler is discharged through the pressure relief valve to avoid excessive pressure in the pipeline and ensure the circulation of the coolant.

[0015] Other advantages, objectives and features of the present invention will be reflected in part through the following description, and in part will be understood by those skilled in the art through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings of the embodiments will be briefly introduced below.

[0017] The drawings described below only relate to some embodiments of the present invention, but are not intended to limit the present invention.

[0018] In the attached figure:

[0019] Figure 1 The figure shows the overall axial side structure diagram of the injection mold of the eyeglass frame of the present application;

[0020] Figure 2 A schematic diagram of the connection structure of the injection mold, cooling fan, and air intake bottom cover of the eyeglass frame injection mold of the present application is shown;

[0021] Figure 3 A schematic diagram of the disassembled structure of the injection mold for the glasses frame, the cooling fan, and the air intake bottom cover is shown;

[0022] Figure 4 A schematic cross-sectional view of the air intake bottom cover of the eyeglass frame injection mold of the present application is shown;

[0023] Figure 5 A schematic diagram of the connection structure of the elbow cooler, pressure relief valve and circulation pump of the eyeglass frame injection mold of the present application is shown.

[0024] Reference Signs List

[0025] 1. Injection mold; 101. Heat dissipation square hole; 1011. Heat conducting plate; 102. Heat dissipation channel; 2. Cooling fan; 3. Air intake bottom cover; 301. Air intake hole; 4. Bend cooler; 401. Cooling fin; 5. Pressure relief valve; 6. Circulation pump. DETAILED DESCRIPTION

[0026] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the described embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] Example 1: Please refer to Figures 1 to 5 :

[0028] The utility model proposes an injection mold for eyeglass frames, comprising: an injection mold 1, a cooling fan 2, an air intake bottom cover 3, an elbow cooler 4 and a circulation pump 6; the top of the injection mold 1 is symmetrically provided with two cooling fans 2, the bottom of the injection mold 1 is symmetrically provided with two air intake bottom covers 3; the outside of the injection mold 1 is connected to the elbow cooler 4, the outside of the elbow cooler 4 is equidistantly provided with cooling fins 401, the inside of the elbow cooler 4 is circulated with coolant, and the pipeline of the elbow cooler 4 is installed with a circulation pump 6; the inside of the injection mold 1 is symmetrically provided with two The heat dissipation square holes 101 are arranged with heat conducting plates 1011 in an array inside the heat dissipation square holes 101; the heat dissipation fan 2 is connected to the top of the heat dissipation square holes 101 provided on the injection fixed mold 1; when the injection movable mold and the injection fixed mold 1 are combined to perform the injection molding of the glasses frame, the heat dissipation fan 2 transports the external low-temperature air into the heat dissipation square holes 101, and increases the heat dissipation area of ​​the injection fixed mold 1 through the heat conducting plates 1011, so that the heat contained in the injection fixed mold 1 can be quickly released to the outside, shortening the cooling and curing time of the glasses frame, thereby improving the injection molding processing efficiency of the glasses frame.

[0029] In the embodiment of the present disclosure, the bottom of the heat dissipation square hole 101 is connected to the air intake bottom cover 3, and the air intake bottom cover 3 is arranged in an array with air intake holes 301. The air intake holes 301 are funnel-shaped, and the end of the air intake hole 301 with a small aperture faces the heat dissipation square hole 101; using the above technical solution, when air passes through the air intake hole 301, the cross-section gradually shrinks, the air is compressed and the flow rate is accelerated, and the air temperature drops, so that the temperature of the air entering the heat dissipation square hole 101 is reduced, thereby improving the cooling effect of the injection mold 1.

[0030] Example 2, based on Example 1, a heat dissipation channel 102 is provided inside the injection mold 1, and the heat dissipation channel 102 is curved up and down. Cooling liquid flows inside the heat dissipation channel 102, and the liquid inlet end of the elbow cooler 4 is connected to the liquid outlet end of the heat dissipation channel 102 provided in the injection mold 1, and the liquid inlet end of the heat dissipation channel 102 is connected to the liquid outlet end of the elbow cooler 4. The elbow cooler 4 is immersed in the water tank, and a pressure relief valve 5 is installed on the top of the elbow cooler 4. The elbow cooler 4 is connected to the heat dissipation channel 102 through a circulating pump 6; the above technical solution is adopted While the air cooling is in progress, the circulating pump 6 is running, and the circulating pump 6 transports the low-temperature coolant inside the elbow cooler 4 to the heat dissipation channel 102 to assist in cooling the injection mold 1. The coolant carrying heat inside the heat dissipation channel 102 flows back to the elbow cooler 4, and the water in the water tank cools the outside of the elbow cooler 4 to ensure efficient cooling of the injection mold 1. When the coolant in the elbow cooler 4 and the heat dissipation channel 102 heats up, the air in the top of the elbow cooler 4 is discharged through the pressure relief valve 5 to avoid excessive pressure in the pipeline and ensure the circulation effect of the coolant.

[0031] The working principle of this embodiment is as follows: when the movable injection mold and the fixed injection mold 1 are combined to perform eyeglass frame injection molding, the cooling fan 2 is started, and the low-temperature air from the outside reaches the heat dissipation square hole 101 through the air inlet hole 301 provided on the air inlet bottom cover 3; when the air passes through the air inlet hole 301, the cross section is gradually reduced, the air is compressed and the flow rate is accelerated, and the air temperature drops, so that the temperature of the air entering the heat dissipation square hole 101 is reduced, and the heat dissipation area of ​​the fixed injection mold 1 is increased by the heat conducting plate 1011 provided inside the heat dissipation square hole 101, so that the heat contained in the fixed injection mold 1 can be quickly released to the outside, shortening the glasses. The cooling and solidification of the frame takes time; and while the air cooling is being carried out, the circulating pump 6 is running, and the circulating pump 6 transports the low-temperature coolant inside the elbow cooler 4 to the heat dissipation channel 102 to assist in cooling the injection mold 1. The coolant carrying heat inside the heat dissipation channel 102 flows back to the elbow cooler 4, and the outside of the elbow cooler 4 is cooled by the water in the water tank to ensure efficient cooling of the injection mold 1; after running for a period of time, when the coolant in the elbow cooler 4 and the heat dissipation channel 102 heats up, the air in the top of the elbow cooler 4 is discharged through the pressure relief valve 5, effectively avoiding excessive pressure in the pipeline.

[0032] In this article, there are several points to note:

[0033] 1. The drawings of the embodiments of the present disclosure only relate to the structures related to the embodiments of the present disclosure. Other structures may refer to conventional designs.

[0034] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to form new embodiments.

[0035] The above are only specific embodiments of the present disclosure, but the scope of protection of the present disclosure is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this disclosure should be included in the scope of protection of the present disclosure. Therefore, the scope of protection of the present disclosure should be based on the scope of protection of the claims.

Claims

1. Injection mold for glasses frames, including: An injection molding fixed mold (1), a cooling fan (2), an air intake bottom cover (3), a bend cooler (4) and a circulation pump (6); the characteristics are that two cooling fans (2) are symmetrically installed on the top of the injection molding fixed mold (1), and two air intake bottom covers (3) are symmetrically installed on the bottom of the injection molding fixed mold (1); the injection molding fixed mold (1) is externally connected to the bend cooler (4), cooling fins (401) are equidistantly arranged on the outside of the bend cooler (4), coolant circulates inside the bend cooler (4), and a circulation pump (6) is installed on the pipeline of the bend cooler (4).

2. The injection mold for the eyeglass frame according to claim 1, characterized in that: Two heat dissipation square holes (101) are symmetrically arranged inside the injection fixed mold (1), and heat conducting plates (1011) are arranged in an array inside the heat dissipation square holes (101).

3. The injection mold for the eyeglass frame according to claim 2, characterized in that: The heat dissipation fan (2) is in communication with the top of a heat dissipation square hole (101) provided on the injection mold (1).

4. The injection mold for the eyeglass frame according to claim 2, wherein: The bottom of the heat dissipation square hole (101) is communicated with the air intake bottom cover (3), and the air intake bottom cover (3) is provided with air intake holes (301) arranged in an array. The air intake holes (301) are funnel-shaped, and the end of the air intake hole (301) with a smaller aperture faces the heat dissipation square hole (101).

5. The injection mold for the eyeglass frame according to claim 1, characterized in that: A heat dissipation channel (102) is provided inside the injection mold (1), the heat dissipation channel (102) is curved up and down, and a cooling liquid flows inside the heat dissipation channel (102).

6. The injection mold for the eyeglass frame according to claim 5, characterized in that: The liquid inlet end of the elbow cooler (4) is connected to the liquid outlet end of the heat dissipation channel (102) provided on the injection mold (1), the liquid inlet end of the heat dissipation channel (102) is connected to the liquid outlet end of the elbow cooler (4), and the elbow cooler (4) is immersed in the water tank.

7. The injection mold for the eyeglass frame according to claim 5, characterized in that: A pressure relief valve (5) is installed on the top of the elbow cooler (4), and the elbow cooler (4) is connected to the heat dissipation channel (102) through a circulation pump (6).

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