A method for manufacturing a two-color shell and a two-color shell

Abstract

The present invention provides a method for manufacturing a two-color shell, comprising the following steps: closing a one-color mold; injecting glue into the closed one-color mold; molding the one-color mold to be injected with glue; demolding the molded one-color mold to obtain a translucent shell; placing the translucent shell on a two-color rear mold insert of a two-color mold core of a two-color mold; closing the two-color mold with the translucent shell placed thereon; injecting glue into the closed two-color mold; molding the two-color mold to be injected with glue; demolding the molded two-color mold to obtain a two-color shell. The present invention also provides a two-color shell, comprising a fully transparent shell and a translucent shell, the fully transparent shell comprising a fully transparent light inlet part and a fully transparent light outlet part, the translucent shell comprising a translucent light inlet part and a translucent light outlet part, the translucent light outlet part being fixed on the fully transparent light inlet part, and the two-color shell is not prone to color mixing during the injection molding process.

Description

Technical Field

[0001] The invention belongs to the technical field of injection molding, and more particularly relates to a two-color shell. Background Art

[0002] Existing electronic devices include a mounting housing, a light source, and a housing for light transmission. The light source is mounted within the mounting housing, which is mounted on the mounting housing. Light emitted by the light source is transmitted through the housing and out of the mounting housing. Existing housings are required to have high light transmittance and uniform light dispersion. However, housings with high light transmittance and good light dispersion uniformity are often prone to color mixing during the injection molding process, which affects the production quality of the housing. Summary of the Invention

[0003] One of the purposes of the present invention is to provide a method for manufacturing a two-color shell to solve the technical problem in the prior art that a shell with high light transmittance and good light dispersion uniformity is often prone to color mixing during the injection molding process.

[0004] To achieve one of the above objectives, the present invention adopts a technical solution of providing a method for manufacturing a two-color shell, comprising the following steps:

[0005] Combined mold with one color;

[0006] Filling the mold with glue;

[0007] The single color mold to be filled with glue is formed;

[0008] Demolding the formed single-color mold to obtain a translucent shell;

[0009] placing the translucent shell on a two-color rear mold insert of a two-color mold core of a two-color mold;

[0010] Clamping the two-color mold with the translucent shell placed thereon;

[0011] Filling the two-color mold with glue;

[0012] The two-color mold to be filled with glue is formed;

[0013] The formed two-color mold is demoulded to obtain a two-color shell.

[0014] The advantageous effect of the two-color housing manufacturing method provided by the present invention is that, compared with the prior art, the two-color housing produced by this method has better light transmittance and uniform light dispersion. Because the translucent housing and the fully transparent housing are two independent parts, the two-color housing does not cause color mixing.

[0015] Furthermore, in the process of injecting glue into the single-color mold of the mold, the following steps are included:

[0016] Connecting the nozzle of the single-color injection molding machine to the single-color nozzle of the single-color mold of the mold clamping;

[0017] The single-color injection molding machine is controlled to inject glue into the closed single-color mold.

[0018] Furthermore, the process of injecting glue into the two-color mold after the mold is closed includes the following steps:

[0019] Connecting the nozzle of the two-color injection molding machine to the two-color nozzle of the two-color mold in the mold clamping;

[0020] The two-color injection molding machine is controlled to inject glue into the clamped two-color mold.

[0021] Furthermore, the process of demoulding the formed single-color mold and obtaining the translucent shell includes the following steps:

[0022] Separating the single-color mold core from the single-color upper mold and the single-color lower mold;

[0023] Control the first slider of the single-color mold core and the second slider of the single-color mold core to move away from the single-color front mold boss of the single-color mold core and the single-color rear mold insert of the single-color mold core, and remove the translucent shell from the first slider, the second slider, the single-color front mold boss and the single-color rear mold insert.

[0024] Furthermore, in the two-color mold in which the translucent shell is placed, the following steps are included:

[0025] Controlling the first two-color slider of the two-color mold core and the second two-color slider of the two-color mold core to approach the two-color rear mold insert, so that the first two-color slider and the second two-color slider approaching each other clamp the translucent shell located on the two-color rear mold insert;

[0026] The two-color mold core clamping the translucent shell is installed in the mold core installation component of the two-color mold.

[0027] Furthermore, in demoulding the formed two-color mold and obtaining the two-color shell, the following steps are included:

[0028] Separating the two-color mold core from the mold core mounting assembly;

[0029] The first two-color slider and the second two-color slider are controlled to move away from the two-color rear mold insert.

[0030] The second purpose of the present invention is to provide a two-color shell. In order to achieve the second purpose, the technical solution adopted by the present invention is: a two-color shell, including a fully transparent shell and a translucent shell, the fully transparent shell includes a fully transparent light-inlet part and a fully transparent light-outlet part, the translucent shell includes a translucent light-inlet part and a translucent light-outlet part, and the translucent light-outlet part is fixed on the fully transparent light-inlet part. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0032] Figure 1 A schematic structural diagram of a two-color housing provided by an embodiment of the present invention;

[0033] Figure 2 A schematic structural diagram of a single-color mold provided by an embodiment of the present invention;

[0034] Figure 3 A schematic cross-sectional view of a single-color mold provided by an embodiment of the present invention;

[0035] Figure 4 for Figure 3 A magnified view of point A in FIG;

[0036] Figure 5 A schematic structural diagram of a two-color mold provided by an embodiment of the present invention;

[0037] Figure 6 A schematic cross-sectional view of a two-color mold provided by an embodiment of the present invention;

[0038] Figure 7 for Figure 6 A magnified view of point A in FIG;

[0039] Figure 8 A schematic diagram of a process for manufacturing a two-color shell provided by an embodiment of the present invention Figure 1 ;

[0040] Figure 9 A schematic diagram of a process for manufacturing a two-color shell provided by an embodiment of the present invention Figure 2 ;

[0041] Figure 10 A schematic diagram of a process for manufacturing a two-color shell provided by an embodiment of the present invention Figure 3 ;

[0042] Figure 11 A schematic diagram of a process for manufacturing a two-color shell provided by an embodiment of the present invention Figure 4 ;

[0043] Figure 12 A schematic diagram of a process for manufacturing a two-color shell provided by an embodiment of the present invention Figure 5 ;

[0044] Figure 13 A schematic diagram of a process for manufacturing a two-color shell provided by an embodiment of the present invention Figure 6 .

[0045] Among them, the reference numerals in the figures are:

[0046] 1. Fully transparent housing; 11. Fully transparent light inlet; 12. Fully transparent light outlet; 2. Translucent housing; 21. Translucent light inlet; 22. Translucent light outlet; 3. Connecting portion; 4. First sealing portion; 6. Second sealing portion; 711. Single-color upper mold; 7111. Single-color upper mold assembly; 7112. Single-color nozzle; 712. Single-color lower mold; 72. Single-color mold core; 721. First slider; 722, second slider; 723, single-color rear mold insert; 724, single-color front mold core; 7241, single-color front mold mounting seat; 72411, first mounting groove; 7242, single-color front mold boss; 72421, molding groove; 725, single-color molding cavity; 726, single-color glue flow channel; 7261, single-color glue point; 72611, first glue outlet; 72612, first glue inlet; 7262, single-color Runner; 72621, first part; 72622, second part; 7263, one-color side glue slot; 811, two-color upper mold; 8111, two-color upper mold assembly; 8112, two-color nozzle; 812, two-color lower mold; 82, two-color mold core; 821, first two-color slider; 822, second two-color slider; 823, two-color rear mold insert; 824, two-color front mold core; 8241, two-color front mold mounting base; 8 2411, second mounting groove; 8242, two-color front mold boss; 82421, molding groove; 825, two-color molding cavity; 8251, two-color glue inlet channel; 82511, side glue inlet point; 825111, side glue inlet outlet; 825112, side glue inlet; 82512, two-color glue inlet point; 82513, two-color runner; 825131, first runner portion; 825132, second runner portion. DETAILED DESCRIPTION

[0047] In order to make the technical problems, technical solutions and beneficial effects to be solved by 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 only used to explain the present invention and are not intended to limit the present invention.

[0048] It should be noted that when an element is referred to as being “fixed on” or “disposed on” another element, it may be directly on the other element or indirectly on the other element. When an element is referred to as being “connected to” another element, it may be directly connected to the other element or indirectly connected to the other element.

[0049] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention.

[0050] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature identified as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defined.

[0051] See also Figure 1 , a two-color shell provided by the present invention is now described. A two-color shell includes a fully transparent shell 1 and a translucent shell 2. The fully transparent shell 1 includes a fully transparent light-inlet portion 11 and a fully transparent light-outlet portion 12. The translucent shell 2 includes a translucent light-inlet portion 21 and a translucent light-outlet portion 22. The translucent light-outlet portion 22 is fixed on the fully transparent light-inlet portion 11. The two-color shell has good light transmittance and light astigmatism uniformity. Since the translucent shell 2 and the fully transparent shell 1 are two independent parts, there will be no color mixing between the translucent shell 2 and the fully transparent shell 1, and thus the two-color shell will not have color mixing. Specifically, in order to ensure that each position of the fully transparent light-inlet portion 11 can receive the light transmitted through the translucent light-outlet portion 22, the translucent shell 2 covers the fully transparent light-inlet portion 11. Specifically, the light emitted by the light source passes through the translucent shell 2 and the fully transparent shell 1 in sequence.

[0052] In order to improve the production efficiency of the fully transparent shell 1 , the fully transparent shell 1 is injection molded.

[0053] Specifically, the material of the fully transparent shell 1 is transparent PC2200R-111.

[0054] Specifically, the fully transparent housing 1 is injection molded using a two-color mold.

[0055] In order to improve the production efficiency of the translucent shell 2 while ensuring that the fully transparent shell 1 and the translucent shell 2 do not mix colors, the translucent shell 2 is injection molded.

[0056] Specifically, the material of the translucent shell 2 is diffusion 160-021X.

[0057] Specifically, the translucent shell 2 is injection molded by a single-color mold.

[0058] To facilitate the injection molding of the fully transparent shell 1 and the translucent shell 2, please refer to Figure 1 The fully transparent shell 1 is the first U-shaped part, the translucent shell 2 is the second U-shaped part, the concave part of the first U-shaped part is the fully transparent light-inlet part 11, the convex part of the first U-shaped part is the fully transparent light-outlet part 12, the concave part of the second U-shaped part is the translucent light-inlet part 21, and the convex part of the second U-shaped part is the translucent light-outlet part 22.

[0059] In order to facilitate the installation of the two-color housing on the assembly base of the electronic equipment (not shown in the figure), please refer to Figure 1 The two-color housing also includes a connecting portion 3, which is fixed to the translucent light-inlet portion 21 and is configured to be removably connected to the assembly base. Specifically, the connecting portion 3 includes a plurality of connecting pieces, which are evenly spaced along the long edge of the translucent light-inlet portion 21 and are provided with connecting holes for connecting bolts. Specifically, the connecting portion 3 includes a plurality of hooks, which are evenly spaced along the long edge of the translucent light-inlet portion 21 and are engaged with the assembly base.

[0060] Specifically, the electronic devices include electronic alarm clocks, smart speakers, and bedside smart light speakers.

[0061] In order to prevent the light source of the electronic device from emitting light from between the translucent housing 2 and the assembly seat, please refer to Figure 1 The two-color housing further includes a first sealing portion 4 and a second sealing portion 6, which are respectively fixed to the two long edges of the translucent light-entering portion 21. The first and second sealing portions 4 and 6 are arranged along the corresponding long edges and are disposed opposite each other. The connecting portion 3 is fixed to the translucent light-entering portion 21 via the first sealing portion 4. The first and second sealing portions 4 and 6 are configured to contact the assembly seat. Specifically, the first and second sealing portions 4 and 6 both contact the inner side of the assembly seat.

[0062] See also Figure 2 、 Figure 3 and Figure 4The present invention also provides a single-color mold, which is used to mold the translucent shell 2 of the double-color shell. The single-color mold includes a mold core mounting seat and a single-color mold core 72. The mold core mounting seat includes a single-color upper mold 711 and a single-color lower mold 712. The single-color mold core 72 is located between the single-color upper mold 711 and the single-color lower mold 712. The single-color mold core 72 includes a first slider 721, a second slider 722, a single-color rear mold insert 723 and a single-color front mold core 724. The single-color rear mold insert 723 is located between the first slider 721 and the second slider 722; the single-color front mold core 724 includes a single-color front mold mounting seat 7241 and a single-color front mold boss 7242 fixed on the single-color front mold mounting seat 7241. The single-color front mold boss 7242 is located at the first slider 721 and the second slider 722. Between the first slider 721 and the second slider 722, the single-color front mold boss 7242 and the single-color rear mold insert 723 are arranged opposite to each other, and a molding groove 72421 is provided on the single-color front mold boss 7242; the first slider 721 and the second slider 722 are away from or close to the single-color front mold boss 7242 and the single-color rear mold insert 723; a single-color molding cavity 725 is formed between the first slider 721, the second slider 722, the single-color rear mold insert 723, the single-color front mold core 724 and the molding groove 72421, and a single-color glue feed channel 726 is provided on the single-color front mold core 724, one end of the single-color glue feed channel 726 is connected to one side in the depth direction of the molding groove 72421, and the other end of the single-color glue feed channel 726 is located outside the single-color front mold core 724.

[0063] When using a single-color mold, the single-color glue feed point 7261 must be free of air marks and material smears, ensuring that the translucent shell 2 is free of defects such as bubbles, black spots, and flow marks. This ensures the production quality of the translucent shell 2 and prevents defects in the translucent shell 2 from being visible through the fully transparent shell 1 of the two-color mold. The single-color mold utilizes a pinpoint-style side-to-side glue feed method, which helps reduce the material temperature at the connection point between the single-color glue feed channel 726 and the single-color molding cavity 725. The pressure generated by the material flowing in the single-color glue feed channel 726 at the connection point between the single-color glue feed channel 726 and the single-color molding cavity 725 prevents deformation of the molded translucent shell 2, thus ensuring the production quality of the two-color shell.

[0064] See also Figure 2 、 Figure 3 and Figure 4The single-color glue feed channel 726 includes a single-color glue feed point 7261 and a single-color runner 7262. The single-color glue feed point 7261 is located in the single-color front mold boss 7242. The single-color glue feed point 7261 has a first glue feed outlet 72611 and a first glue feed inlet 72612. The first glue feed outlet 72611 is connected to the single-color molding cavity 725; the single-color runner 7262 includes a first part 72621 and a second part 72622. The first part 72621 is located in the single-color front mold boss 7242, and the second part 72622 is located in the single-color front mold mounting seat 7241. The first part 72621 is connected to the first glue feed inlet 72612, one end of the second part 72622 is connected to the end of the first part 72621 facing away from the first glue feed inlet 72612, and the other end of the second part 72622 passes through the single-color front mold mounting seat 7241.

[0065] See also Figure 2 、 Figure 3 and Figure 4 To further reduce deformation of the molded translucent shell 2, the single-color glue feed channel 726 also includes a single-color side glue feed groove 7263. This is located on the single-color rear mold insert 723, with a first glue feed outlet 72611 facing the notch of the single-color side glue feed groove 7263. The single-color side glue feed groove 7263 is connected to the single-color molding cavity 725 and is located to one side in the depth direction of the molding groove 72421. The single-color side glue feed groove 7263 further ensures that the feed point of the single-color molding cavity 725 is free of air marks and material splinters, thereby ensuring the production quality of the two-color shell.

[0066] Specifically, the single-color glue inlet point 7261 and the single-color flow channel 7262 form a first linear channel, which is arranged vertically. Preferably, the first linear channel is a first tapered channel, having a large end and a small end, and the small end of the first tapered channel is connected to the side glue inlet point 82511.

[0067] In order to facilitate the use of the one-color mold, the one-color mold core 72 is provided with one, the one-color upper mold 711 includes a one-color upper mold assembly 7111 and a one-color nozzle 7112, the one-color nozzle 7112 is arranged on the one-color upper mold assembly 7111, and the one-color upper mold assembly 7111 is provided with a one-color upper mold channel (not shown in the figure), and the discharge port of the one-color nozzle 7112 is connected to the second part 72622 through the one-color upper mold channel.

[0068] To improve the molding efficiency of the translucent shell 2, two single-color mold cores 72 are provided. The single-color upper mold 711 includes a single-color upper mold assembly 7111 and a single-color nozzle 7112. The single-color nozzle 7112 is mounted on the single-color upper mold assembly 7111. The single-color upper mold assembly 7111 is provided with a single-color upper mold channel (not shown). The discharge port of the single-color nozzle 7112 communicates with the two second portions 72622 through the single-color upper mold channel. Compared to using two independent molding dies to mold the two translucent shells 2 separately, this single-color mold is more cost-effective.

[0069] Specifically, the single-color nozzle 7112 is used to connect to the nozzle (not shown in the figure) of a single-color injection molding machine (not shown in the figure), and the single-color injection molding machine simultaneously feeds glue to the two single-color molding cavities 725 through the single-color nozzle 7112, the single-color upper mold channel, and the single-color glue feed channel 726.

[0070] Specifically, the first slider 721, the second slider 722, the single-color rear mold insert 723 and the single-color front mold boss 7242 are located in the single-color front mold mounting seat 7241; preferably, the single-color front mold mounting seat 7241 is provided with a first mounting groove 72411, the first slider 721, the second slider 722, the single-color rear mold insert 723 and the single-color front mold boss 7242 are located in the first mounting groove 72411, and the single-color front mold boss 7242 is fixed to the bottom of the first mounting groove 72411.

[0071] See also Figure 5 、 Figure 6 and Figure 7The present invention also provides a two-color mold, which is used for molding a fully transparent shell 1 of a two-color shell. The two-color mold includes a mold core installation component and a two-color mold core 82; the mold core installation component includes a two-color upper mold 811 and a two-color lower mold 812, and the two-color mold core 82 is located between the two-color upper mold 811 and the two-color lower mold 812; the two-color mold core 82 includes a first two-color slider 821, a second two-color slider 822, a two-color rear mold insert 823 and a two-color The front mold core 824; the two-color rear mold insert 823 is located between the first two-color slider 821 and the second two-color slider 822; the two-color front mold core 824 includes a two-color front mold mounting seat 8241 and a two-color front mold boss 8242 fixed on the two-color front mold mounting seat 8241, the two-color front mold boss 8242 is located between the first two-color slider 821 and the second two-color slider 822, and the two-color front mold boss 8242 is arranged opposite to the two-color rear mold insert 823. The two-color rear mold insert 823 is used to contact the translucent shell 2 of the two-color shell; the first two-color slider 821 and the second two-color slider 822 are used to approach the two-color front mold boss 8242 and the two-color rear mold insert 823 to clamp the translucent shell 2, and the first two-color slider 821 and the second two-color slider 822 are used to move away from the two-color front mold boss 8242 and the two-color rear mold insert 823 to release the translucent shell 2; a molding groove 82421 is provided on the two-color front mold boss 8242, and the molding groove 82421 is used to form a two-color molding cavity 825 between the clamped translucent shell 2, and the two-color molding cavity 825 is used to mold the fully transparent shell 1 of the two-color shell; a two-color glue feed channel 8251 is provided on the two-color front mold core 824, and one end of the two-color glue feed channel 8251 is connected to one side of the depth direction of the molding groove 82421, and the other end of the two-color glue feed channel 8251 is located at the two-color front mold core 824.

[0072] The two-color mold utilizes a pinpoint, side-by-side glue injection method, which helps reduce the material temperature at the junction between the two-color glue flow channel 8251 and the molding groove 82421. The pressure exerted by the material flowing within the two-color glue flow channel 8251 on the junction between the two-color glue flow channel 8251 and the molding groove 82421 prevents the translucent shell 2 located on the two-color rear mold insert 823 from being punctured or deformed by the material in the molding groove 82421, thus ensuring the production quality of the two-color shells and the uniformity of the light source passing through the fully transparent shell 1. Because the translucent shell is formed first, color mixing between the fully transparent shell 1 and the translucent shell 2 is less likely to occur.

[0073] When using a two-color mold, the translucent shell 2 is placed on the two-color rear mold insert 823. The first two-color slider 821 and the second two-color slider 822 are both close to the two-color rear mold insert 823. The first two-color slider 821 and the second two-color slider 822 approaching each other clamp the translucent shell 2 on the two-color rear mold insert 823, ensuring that the material in the molding groove 82421 is molded into a fully transparent shell 1 on the translucent light-emitting portion 22 of the translucent shell 2.

[0074] Specifically, the translucent light-entering portion 21 of the translucent housing 2 contacts the two-color rear mold insert 823 .

[0075] See also Figure 5 、 Figure 6 and Figure 7 The two-color glue feed channel 8251 includes a side glue feed point 82511, a two-color glue feed point 82512 and a two-color runner 82513. The two-color glue feed point 82512 is located in the two-color front mold boss 8242. The side glue feed point 82511 is located on one side of the depth direction of the molding groove 82421. The side glue feed point 82511 has a side glue feed outlet 825111 and a side glue feed inlet 825112. The side glue feed point 82511 is located in the two-color front mold boss 8242. The side glue feed outlet 825111 is connected to the two-color molding cavity 825; the two-color glue feed point 82512 has a two-color glue feed outlet and a two-color glue feed inlet. The glue outlet is connected to the side glue inlet 825112; the two-color flow channel 82513 includes a first flow channel part 825131 and a second flow channel part 825132, the first flow channel part 825131 is located in the two-color front mold boss 8242, and the second flow channel part 825132 is located in the two-color front mold mounting seat 8241. The first flow channel part 825131 is connected to the two-color glue inlet, one end of the second flow channel part 825132 is connected to the end of the first flow channel part 825131 away from the two-color glue inlet, and the other end of the second flow channel part 825132 passes through the two-color front mold mounting seat 8241.

[0076] The coordination of side glue point 82511, two-color glue point 82512, and two-color runner 82513 enables pinpoint-style side glue feeding in a two-color mold. Second runner portion 825132 ensures that material outside the two-color mold core 82 enters the glue feed runner. Two-color glue point 82512 connects two-color runner 82513 with side glue point 82511.

[0077] Specifically, the two-color glue inlet point 82512 and the two-color flow channel 82513 form a second linear channel, which is arranged vertically. Preferably, the second linear channel is a second tapered channel having a large end and a small end, the small end of which is connected to the side glue inlet point 82511. When material outside the two-color mold core 82 enters the second tapered channel, the material inside the second tapered channel slowly flows into the side glue inlet point 82511, further ensuring that the translucent shell 2 on the two-color rear mold insert 823 is not scratched.

[0078] In order to improve the ease of use of the two-color mold, a two-color mold core 82 is provided. The two-color upper mold 811 includes a two-color upper mold assembly 8111 and a two-color nozzle 8112. The two-color nozzle 8112 is arranged on the two-color upper mold assembly 8111. The two-color upper mold assembly 8111 is provided with a two-color upper mold channel (not shown in the figure). The discharge port of the two-color nozzle 8112 is connected to the second flow channel part 825132 through the two-color upper mold channel.

[0079] To improve the molding efficiency of the fully transparent shell 1, two two-color mold cores 82 are provided. The two-color upper mold 811 includes a two-color upper mold assembly 8111 and a two-color nozzle 8112. The two-color nozzle 8112 is disposed on the two-color upper mold assembly 8111. The two-color upper mold assembly 8111 is provided with a two-color upper mold channel (not shown). The discharge port of the two-color nozzle 8112 communicates with the two second flow channel portions 825132 through the two-color upper mold channel. Compared to using two independent molding dies to mold two fully transparent shells 1 separately, this two-color mold is more cost-effective.

[0080] Specifically, the two-color nozzle 8112 is used to connect to the nozzle (not shown) of a two-color injection molding machine (not shown). The two-color injection molding machine simultaneously feeds glue into two two-color molding cavities 825 through the two-color nozzle 8112, the two-color upper mold channel, and the two two-color glue feed channels 8251. The material in the two-color injection molding machine flows into the two-color nozzle 8112 through the nozzle, and the material in the two-color nozzle 8112 flows into the second flow channel portion 825132 through the two-color upper mold channels.

[0081] Specifically, the first two-color slider 821, the second two-color slider 822, the two-color rear mold insert 823 and the two-color front mold boss 8242 are located in the two-color front mold mounting seat 8241; preferably, the two-color front mold mounting seat 8241 is provided with a second mounting groove 82411, the first two-color slider 821, the second two-color slider 822, the two-color rear mold insert 823 and the two-color front mold boss 8242 are located in the second mounting groove 82411, and the two-color front mold boss 8242 is fixed to the bottom of the second mounting groove 82411.

[0082] The present invention also provides a shell molding mold, including the above-mentioned one-color mold and one two-color mold, the one-color mold and the two-color mold are integrated, the one-color upper mold 711 includes a one-color upper mold assembly 7111 and a one-color nozzle 7112, the one-color nozzle 7112 is arranged on the one-color upper mold assembly 7111, the two-color upper mold 811 includes a two-color upper mold assembly 8111 and a two-color nozzle 8112, the two-color nozzle 8112 is arranged on the two-color upper mold assembly 8111, the one-color upper mold 711 and the two-color upper mold 811 are arranged opposite to each other, the one-color mold core 72 and the two-color mold core 82 are arranged between the one-color upper mold 711 and the two-color upper mold 811, the one-color nozzle 7112 is connected to the one-color glue feed channel 726, and the two-color nozzle 8112 is connected to the two-color glue feed channel 8251. It can be understood that the single-color upper mold 711 is the two-color lower mold 812 of the two-color mold, and the two-color upper mold 811 is the single-color lower mold 712.

[0083] See also Figure 8 The present invention also provides a two-color shell molding method, which includes the following steps:

[0084] S1: single color mold;

[0085] S2: injecting glue into the single-color mold of the mold;

[0086] S3: forming the single color mold to be filled with glue;

[0087] S4: demoulding the formed single-color mold to obtain a translucent shell;

[0088] S5: placing the translucent shell on the two-color rear mold insert of the two-color mold core of the two-color mold;

[0089] S6: Clamping the two-color mold with the translucent shell placed therein;

[0090] S7: injecting glue into the two-color mold after the mold is closed;

[0091] S8: forming the two-color mold to be filled with glue;

[0092] S9: demoulding the formed two-color mold to obtain a two-color shell.

[0093] In order to improve the convenience of injecting glue into the single-color mold, step S2 is set as: injecting glue into the closed single-color mold through the single-color injection molding machine.

[0094] Specifically, see Figure 9 In the step of "injecting glue into the closed single-color mold through a single-color injection molding machine", the following steps are included:

[0095] S2-1: Connecting the nozzle of the single-color injection molding machine to the single-color nozzle of the closed single-color mold;

[0096] S2-2: Control the single-color injection molding machine to inject glue into the closed single-color mold.

[0097] In order to improve the convenience of injecting glue into the two-color mold, step S7 is set as: injecting glue into the two-color mold that is closed by the two-color injection molding machine.

[0098] Specifically, see Figure 10 In the step of "injecting glue into the two-color mold by a two-color injection molding machine", the following steps are included:

[0099] S7-1: Connecting the nozzle of the two-color injection molding machine to the two-color nozzle of the closed two-color mold;

[0100] S7-2: Control the two-color injection molding machine to inject glue into the closed two-color mold.

[0101] In order to realize the mold closing of the single-color mold, step S1 is set as: installing the single-color mold core of the single-color mold between the single-color upper mold of the mold core mounting seat of the single-color mold and the single-color lower mold of the mold core mounting seat.

[0102] See also Figure 8 and 11 In order to demould the formed single-color mold and obtain a translucent shell, step S4 includes the following steps:

[0103] S4-1: Separating the single-color mold core from the single-color upper mold and the single-color lower mold;

[0104] S4-2: Control the first slider of the single-color mold core and the second slider of the single-color mold core to move away from the single-color front mold boss of the single-color mold core and the single-color rear mold insert of the single-color mold core, and remove the translucent shell from the first slider, the second slider, the single-color front mold boss and the single-color rear mold insert.

[0105] See also Figure 8 and 12 In order to achieve the mold closing of the two-color mold with the translucent shell placed therein, step S6 includes the following steps:

[0106] S6-1: Controlling the first two-color slider of the two-color mold core and the second two-color slider of the two-color mold core to approach the two-color rear mold insert, so that the first two-color slider and the second two-color slider approaching each other clamp the translucent shell located on the two-color rear mold insert;

[0107] S6-2: Install the two-color mold core that clamps the translucent shell into the mold core installation assembly of the two-color mold.

[0108] Specifically, step S6-2 is set as: installing the two-color mold core that clamps the translucent shell between the two-color upper mold of the mold core installation assembly and the two-color lower mold of the mold core installation assembly of the two-color mold.

[0109] See also Figure 8 and Figure 13 In order to demould the formed two-color mold and obtain a two-color shell, step S9 includes the following steps:

[0110] S9-1: Separating the two-color mold core from the mold core installation assembly;

[0111] S9-2: Control the first two-color slider and the second two-color slider to move away from the two-color rear mold insert.

[0112] Specifically, step S9-1 is set as: taking out the two-color mold core from between the two-color upper mold and the two-color lower mold.

[0113] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A method for manufacturing a two-color shell, characterized in that: The following steps are involved: Combined mold with one color; Filling the mold with glue; The single color mold to be filled with glue is formed; Demolding the formed single-color mold to obtain a translucent shell; placing the translucent shell on a two-color rear mold insert of a two-color mold core of a two-color mold; Clamping the two-color mold with the translucent shell placed thereon; Filling the two-color mold with glue; The two-color mold to be filled with glue is formed; Demolding the formed two-color mold to obtain a two-color shell; wherein the single-color mold comprises a mold core mounting seat and a single-color mold core, the single-color mold core comprises a first slider, a second slider, a single-color rear mold insert and a single-color front mold core, the single-color rear mold insert is located between the first slider and the second slider; the single-color front mold core comprises a single-color front mold mounting seat and a single-color front mold boss fixed on the single-color front mold mounting seat, the single-color front mold boss is located between the first slider and the second slider, the single-color front mold boss is arranged opposite to the single-color rear mold insert, and a molding groove is provided on the single-color front mold boss; the first slider and the second slider are away from or close to the single-color front mold boss and the single-color rear mold insert; a single-color molding cavity is formed between the first slider, the second slider, the single-color rear mold insert, the single-color front mold core and the molding groove, a single-color glue feed channel is provided on the single-color front mold core, one end of the single-color glue feed channel is connected to one side in the depth direction of the molding groove, and the other end of the single-color glue feed channel is located outside the single-color front mold core; The single-color glue feed channel further includes a single-color side glue feed groove, which is provided on the single-color rear mold insert, with the first glue feed outlet facing the notch of the single-color side glue feed groove, the single-color side glue feed groove being connected to the single-color molding cavity and located on one side in the depth direction of the molding groove; The two-color mold comprises a mold core mounting assembly and a two-color mold core; the two-color mold core comprises a first two-color slider, a second two-color slider, a two-color rear mold insert and a two-color front mold core; the two-color rear mold insert is located between the first two-color slider and the second two-color slider; the two-color front mold core comprises a two-color front mold mounting seat and a two-color front mold boss fixed on the two-color front mold mounting seat, the two-color front mold boss is located between the first two-color slider and the second two-color slider, and the two-color front mold boss is arranged opposite to the two-color rear mold insert; the first two-color slider and the second two-color slider are used to approach the two-color front mold boss and the two-color rear mold insert to clamp the translucent shell, and the first two-color slider and the second two-color slider are used to move away from the two-color front mold boss and the two-color rear mold insert to release the translucent shell; a molding groove is provided on the two-color front mold boss, and the molding groove is used to form a two-color molding cavity between the clamped translucent shell; A two-color glue feed channel is provided on the two-color front mold core, one end of the two-color glue feed channel is connected to one side in the depth direction of the molding groove, and the other end of the two-color glue feed channel is located on the two-color front mold core; The two-color glue feed channel includes a side glue feed point, a two-color glue feed point and a two-color runner. The two-color glue feed point is located in the two-color front mold boss, and the side glue feed point is located on one side of the depth direction of the molding groove. The step of injecting glue into the closed single-color mold includes: The single-color mold passes through the single-color side glue feeding groove and adopts pin-point side glue feeding; The step of injecting glue into the closed two-color mold includes: The pin-point-to-side glue feeding of the two-color mold is achieved through the coordination of the side glue feeding point, the two-color glue feeding point and the two-color runner.

2. The method for manufacturing a two-color housing according to claim 1, wherein: The step of injecting glue into the single-color mold of the mold assembly includes the following steps: Connecting the nozzle of the single-color injection molding machine to the single-color nozzle of the single-color mold of the mold clamping; The single-color injection molding machine is controlled to inject glue into the closed single-color mold.

3. The method for manufacturing a two-color housing according to claim 1, wherein: The process of injecting glue into the two-color mold after the mold is closed includes the following steps: Connecting the nozzle of the two-color injection molding machine to the two-color nozzle of the two-color mold in the mold clamping; The two-color injection molding machine is controlled to inject glue into the clamped two-color mold.

4. The method for manufacturing a two-color housing according to claim 1, wherein: Demolding the formed single-color mold to obtain a translucent shell includes the following steps: Separating the single-color mold core from the single-color upper mold and the single-color lower mold; Control the first slider of the single-color mold core and the second slider of the single-color mold core to move away from the single-color front mold boss of the single-color mold core and the single-color rear mold insert of the single-color mold core, and remove the translucent shell from the first slider, the second slider, the single-color front mold boss and the single-color rear mold insert.

5. The method for manufacturing a two-color housing according to claim 1, wherein: In the two-color mold in which the translucent shell is placed in the mold closing process, the following steps are included: Controlling the first two-color slider of the two-color mold core and the second two-color slider of the two-color mold core to approach the two-color rear mold insert, so that the first two-color slider and the second two-color slider approaching each other clamp the translucent shell located on the two-color rear mold insert; The two-color mold core clamping the translucent shell is installed in the mold core installation component of the two-color mold.

6. The method for manufacturing a two-color housing according to claim 5, wherein: Demolding the formed two-color mold to obtain a two-color shell includes the following steps: Separating the two-color mold core from the mold core mounting assembly; The first two-color slider and the second two-color slider are controlled to move away from the two-color rear mold insert.

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