Glue injection forming mold based on mobile phone front shell and device thereof

Abstract

The utility model provides a glue injection forming mold based on a mobile phone front shell and a device thereof. According to the glue injection forming mold, one end of a first limiting inclined column is fixed to one end of a front mold part, a first limiting moving plate is arranged in a movable cavity, a second glue injection runner and a first inserting inclined groove are formed in the top face of the first limiting moving plate, and the glue outlet end of the first glue injection runner communicates with the glue inlet end of the second glue injection runner; a first glue outlet through opening is formed in the side face of the first limiting moving plate, the glue outlet end of the second glue injection runner communicates with one end of the first glue outlet through opening, and the first limiting inclined column is used for driving the first limiting moving plate to move in the direction close to the rear mold plate when being inserted into the first inserting inclined groove; and the side face of the first limiting moving plate, the front mold piece, the front mold plate, the rear mold piece and the rear mold plate jointly define a front shell forming cavity, the front shell forming cavity communicates with the other end of the first glue outlet through opening, and the first limiting inclined column is further used for driving the first limiting moving plate to move in the direction away from the rear mold plate when being separated from the first inserting inclined groove.

Description

Technical Field

[0001] This disclosure relates to the field of mobile phone front shell production, and in particular to an injection molding mold and apparatus for mobile phone front shells. Background Technology

[0002] With the development of technology, mobile phones have become indispensable smart devices in daily life, leading to a gradual increase in market demand. Mobile phone casings consist of a front cover and a back cover. The front cover is generally formed by injection molding with adhesive in a mold. Existing front cover molding molds typically use a front-side dispensing method, where the adhesive is injected from top to bottom into the mold cavity. However, adhesive residue drips from the injection port onto the molded front cover, resulting in adhesive residue on its surface. This residue is usually removed by punching or cutting, but this process creates burrs on the front cover surface, reducing the yield rate and wasting adhesive. Utility Model Content

[0003] The purpose of this disclosure is to overcome the shortcomings of the prior art and provide a glue injection molding mold and apparatus for mobile phone front shells that avoids residual glue on the front shell surface, improves the yield of mobile phone front shells, and saves glue.

[0004] The purpose of this disclosure is achieved through the following technical solution:

[0005] A glue injection molding mold based on a mobile phone front shell includes a front mold, a rear mold and a movable limiting component, wherein one end of the front mold is movably connected to one end of the rear mold;

[0006] A first injection channel is formed inside the front mold, and a front template is provided on one end of the front mold;

[0007] The rear module has a movable cavity at one end and a rear template at the other end. The rear template is disposed in the movable cavity and is aligned with the front template so that the rear template can movably abut against the front template.

[0008] The movable limiting component includes a first limiting inclined post and a first limiting moving plate. One end of the first limiting inclined post is fixed to one end of the front mold. The first limiting moving plate is disposed in the movable cavity. The top surface of the first limiting moving plate is provided with a second injection channel and a first insertion inclined groove. The outlet end of the first injection channel is connected to the inlet end of the second injection channel. The side of the first limiting moving plate is provided with a first outlet port. The outlet end of the second injection channel is connected to one end of the first outlet port. When the first limiting inclined post is inserted into the first insertion inclined groove, it drives the first limiting moving plate to move in a direction closer to the rear mold, so that the side of the first limiting moving plate, the front mold, the front mold, the rear mold, and the rear mold together form a front shell forming cavity. The front shell forming cavity is connected to the other end of the first outlet port. The first limiting inclined post is also used to drive the first limiting moving plate to move in a direction away from the rear mold when it is disengaged from the first insertion inclined groove.

[0009] In one embodiment, the movable limiting assembly further includes a second limiting inclined post and a second limiting moving plate. One end of the second limiting inclined post is fixed to one end of the front mold, and the second limiting moving plate is disposed in the movable cavity. The top surface of the second limiting moving plate is provided with a third injection channel and a second insertion inclined groove. The outlet end of the first injection channel is connected to the inlet end of the third injection channel. The side of the second limiting moving plate is provided with a second outlet port. When the second limiting inclined post is inserted into the second insertion inclined groove, it drives the second limiting moving plate to move in a direction closer to the rear mold, so that the side of the first limiting moving plate, the side of the second limiting moving plate, the front mold, the front mold, the rear mold, and the rear mold together form the front shell molding cavity. The front shell molding cavity is connected to the other end of the second outlet port. The second limiting inclined post is also used to drive the second limiting moving plate to move in a direction away from the rear mold when it is disengaged from the second insertion inclined groove.

[0010] In one embodiment, the movable limiting assembly further includes a third limiting inclined post, a third limiting moving plate, a fourth limiting inclined post, and a fourth limiting moving plate. The third limiting moving plate and the fourth limiting moving plate are both disposed within the movable cavity. The top surface of the third limiting moving plate has a third insertion inclined groove, and the top surface of the fourth limiting moving plate has a fourth insertion inclined groove. When the third limiting inclined post is inserted into the third insertion inclined groove, it drives the third limiting moving plate to move in a direction closer to the rear template. When the fourth limiting inclined post is inserted into the fourth insertion inclined groove, it drives the fourth limiting moving plate to move in a direction closer to the rear template. This causes the side surfaces of the first limiting moving plate, the second limiting moving plate, the third limiting moving plate, the fourth limiting moving plate, the front mold, the front template, and the rear template to collectively form the front shell forming cavity.

[0011] The third limiting inclined column is also used to drive the third limiting moving plate to move away from the rear template when it is disengaged from the third insertion inclined groove, and the fourth limiting inclined column is also used to drive the fourth limiting moving plate to move away from the rear template when it is disengaged from the fourth insertion inclined groove.

[0012] In one embodiment, when the first limiting inclined post is inserted into the first insertion inclined groove, it drives the first limiting moving plate to move along a direction close to the first side end of the rear template; when the second limiting inclined post is inserted into the second insertion inclined groove, it drives the second limiting moving plate to move along a direction close to the third side end of the rear template; when the third limiting inclined post is inserted into the third insertion inclined groove, it drives the third limiting moving plate to move along a direction close to the second side end of the rear template; and when the fourth limiting inclined post is inserted into the fourth insertion inclined groove, it drives the fourth limiting moving plate to move along a direction close to the fourth side end of the rear template.

[0013] The first limiting inclined column is also used to drive the first limiting moving plate to move in a direction away from the first side end of the rear template when it is disengaged from the first insertion inclined groove. The second limiting inclined column is also used to drive the second limiting moving plate to move in a direction away from the third side end of the rear template when it is disengaged from the second insertion inclined groove. The third limiting inclined column is also used to drive the third limiting moving plate to move in a direction away from the second side end of the rear template when it is disengaged from the third insertion inclined groove. The fourth limiting inclined column is also used to drive the fourth limiting moving plate to move in a direction away from the fourth side end of the rear template when it is disengaged from the fourth insertion inclined groove.

[0014] In one embodiment, the movable limiting assembly further includes a first limiting top block, a second limiting top block, a third limiting top block, and a fourth limiting top block. One end of the first limiting top block is disposed on one end of the front mold member adjacent to the first limiting inclined post, and the other end of the first limiting top block is movably abutting against the first limiting moving plate. One end of the second limiting top block is disposed on one end of the front mold member adjacent to the second limiting inclined post, and the other end of the second limiting top block is movably abutting against the second limiting moving plate. One end of the third limiting top block is disposed on one end of the front mold member adjacent to the third limiting inclined post, and the other end of the third limiting top block is movably abutting against the third limiting moving plate. One end of the fourth limiting top block is disposed on one end of the front mold member adjacent to the fourth limiting inclined post, and the other end of the fourth limiting top block is movably abutting against the fourth limiting moving plate.

[0015] In one embodiment, the front mold is provided with a glue injection funnel, a glue injection runner plate, and a plurality of glue injection pipes. The glue injection funnel, the glue injection runner plate, and the plurality of glue injection pipes together form the first glue injection runner. The glue inlet end of the glue injection funnel is located on the other end of the front mold. The other end of the glue injection funnel, the glue injection runner plate, and the plurality of glue injection pipes are all disposed inside the front mold. The other end of the glue injection funnel is connected to the glue inlet end of the glue injection runner plate. The glue outlet end of the glue injection runner plate is multiple. One end of each glue injection pipe is connected to the corresponding glue outlet end of the glue injection runner plate. The other end of each glue injection pipe extends to one end of the front mold and is used to connect with the glue inlet end of the second glue injection runner or the glue inlet end of the third glue injection runner.

[0016] In one embodiment, the injection molding die further includes an electric heating element disposed on the injection flow channel plate.

[0017] In one embodiment, the front module is further provided with a first water inlet, a first cooling water channel and a first water outlet. One end of the first water inlet is used to communicate with the water outlet of the cooling water circulation component, the other end of the first water inlet is used to communicate with one end of the first cooling water channel, the other end of the first cooling water channel is used to communicate with one end of the first water outlet, and the other end of the first water outlet is used to communicate with the water inlet of the cooling water circulation component.

[0018] The rear module is further provided with a second water inlet, a second cooling water channel and a second water outlet. One end of the second water inlet is used to connect with the water outlet of the cooling water circulation component, the other end of the second water inlet is connected with one end of the second cooling water channel, the other end of the second cooling water channel is connected with one end of the second water outlet, and the other end of the second water outlet is used to connect with the water inlet of the cooling water circulation component.

[0019] In one embodiment, the injection molding mold further includes an ejector assembly disposed within the rear mold part, the ejector assembly being used to eject the finished front shell from the front shell molding cavity.

[0020] An injection molding apparatus for a mobile phone front shell includes an injection molding mold for a mobile phone front shell as described in any of the above embodiments.

[0021] Compared with the prior art, this disclosure has at least the following advantages:

[0022] When the front and rear mold parts are assembled and connected, the first limiting inclined post is vertically inserted into the first insertion inclined groove and drives the first limiting moving plate to move in the direction close to the rear mold plate during the insertion process, thereby forming the front shell molding cavity. Then, the glue is injected into the glue inlet end of the first glue injection channel of the front mold part, so that the glue flows from the first glue injection channel to the second glue injection channel, and then flows into the front shell molding cavity through the first glue outlet. The first glue outlet is set on the side of the first limiting moving plate to achieve the effect of side glue injection, avoiding the situation where glue drips due to gravity after the front glue injection is completed, resulting in residual glue on the surface of the front shell finished product. Furthermore, after the front shell is cured, by separating the front mold and the rear mold, when the first limiting inclined post is vertically separated from the first insertion inclined groove, it will drive the first limiting moving plate to move away from the rear mold, so that the first glue outlet of the first limiting moving plate is away from the front shell. This can avoid the situation of residual glue on the side of the front shell and can also recycle the glue in the second glue channel in the first limiting moving plate. This can effectively improve the yield of the mobile phone front shell and reduce the waste of glue. Attached Figure Description

[0023] To more clearly illustrate the technical solutions of the embodiments of this disclosure, the accompanying drawings used in the embodiments will be briefly described below. It should be understood that the following drawings only show some embodiments of this disclosure and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0024] Figure 1 This is a schematic diagram of the structure of a glue injection molding mold based on a mobile phone front shell in one embodiment;

[0025] Figure 2 for Figure 1 A schematic diagram of the structure of the front mold of the injection molding die based on the front shell of a mobile phone;

[0026] Figure 3 for Figure 2 A partial structural diagram of the front mold of the injection molding die based on the mobile phone front shell;

[0027] Figure 4 for Figure 1 A partial structural diagram of the injection molding mold based on the mobile phone front shell;

[0028] Figure 5 for Figure 1 A schematic diagram of the structure of the rear mold component of the injection molding mold based on the front shell of a mobile phone;

[0029] Figure 6 for Figure 5 A partial structural diagram of the injection molding mold based on the mobile phone front shell;

[0030] Figure 7 for Figure 5 A partial structural diagram of the injection molding mold based on the mobile phone front shell;

[0031] Figure 8 for Figure 5 A schematic diagram of the movement direction of the first limiting moving plate in the injection molding mold based on the front shell of a mobile phone.

[0032] Figure 9 for Figure 5 A schematic diagram of the movement direction of the second limiting moving plate in the injection molding mold based on the front shell of a mobile phone;

[0033] Figure 10 for Figure 5 A schematic diagram of the movement direction of the third limiting moving plate in the injection molding mold based on the front shell of a mobile phone.

[0034] Figure 11 for Figure 5 A schematic diagram of the movement direction of the fourth limiting moving plate in the injection molding mold based on the front shell of the mobile phone.

[0035] Figure 12 This is a picture of the actual product after the front cover of the mobile phone has been molded;

[0036] Figure 13 This is a physical image of an injection molding mold for a mobile phone front cover. Detailed Implementation

[0037] To facilitate understanding of this disclosure, a more complete description will be given below with reference to the accompanying drawings, which illustrate preferred embodiments of the present disclosure. However, this disclosure can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the disclosure.

[0038] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly attached to the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0039] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of this disclosure. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0040] Please see Figures 1 to 11 To better understand the injection molding die 10 for a mobile phone front shell disclosed herein, the following further explanation of the injection molding die 10 for a mobile phone front shell is provided:

[0041] One embodiment of a mobile phone front shell injection molding die 10 includes a front die 100, a rear die 200, and a movable limiting component 300. One end of the front die 100 is movably connected to one end of the rear die 200. A first injection channel 102 is formed in the front die 100, and a front template 110 is provided on one end of the front die 100. A movable cavity 202 is opened at one end of the rear die 200, and a rear template 210 is provided at one end of the rear die 200. The rear template 210 is disposed in the movable cavity 202 and is aligned with the front template 110 so that the rear template 210 and the front template 110 can movably abut against each other. The movable limiting assembly 300 includes a first limiting inclined post 310 and a first limiting moving plate 320. One end of the first limiting inclined post 310 is fixed to one end of the front mold 100. The first limiting moving plate 320 is disposed in the movable cavity 202. The top surface of the first limiting moving plate 320 has a second injection channel 322 and a first insertion inclined groove 324. The outlet end of the first injection channel 102 is connected to the inlet end of the second injection channel 322. The side surface of the first limiting moving plate 320 has a first outlet port 326. The outlet end of the second injection channel 322 is connected to the inlet end of the first outlet port 324. One end of 26 is connected, and the first limiting inclined post 310 is used to drive the first limiting moving plate 320 to move in the direction close to the rear template 210 when it is inserted into the first insertion inclined groove 324, so that the side of the first limiting moving plate 320, the front mold 100, the front template 110, the rear mold 200 and the rear template 210 together form a front shell forming cavity 104. The front shell forming cavity 104 is connected to the other end of the first glue outlet 326, and the first limiting inclined post 310 is also used to drive the first limiting moving plate 320 to move in the direction away from the rear template 210 when it is disengaged from the first insertion inclined groove 324.

[0042] In this embodiment, when the front mold 100 and the rear mold 200 are assembled and connected, the first limiting inclined post 310 is vertically inserted into the first insertion inclined groove 324 and drives the first limiting moving plate 320 to move in the direction close to the rear mold plate 210 during the insertion process, thereby forming the front shell molding cavity 104. Then, by injecting glue into the glue inlet end of the first glue injection channel 102 of the front mold 100, the glue flows from the first glue injection channel 102 to the second glue injection channel 322, and then flows into the front shell molding cavity 104 through the first glue outlet 326. The first glue outlet 326 is set on the side of the first limiting moving plate 320 to achieve the effect of side glue injection, avoiding the situation where glue drips due to gravity after the front glue injection is completed, resulting in residual glue on the surface of the front shell finished product. Furthermore, after the front shell is cured, by separating the front mold 100 and the rear mold 200, the first limiting inclined post 310 will vertically separate from the first insertion inclined groove 324, which will drive the first limiting moving plate 320 to move away from the rear mold 210. This will make the first glue outlet 326 of the first limiting moving plate 320 move away from the front shell, thus avoiding the situation of residual glue on the side of the front shell. At the same time, it can also recycle the glue in the second glue channel 322 inside the first limiting moving plate 320. This can effectively improve the yield of the mobile phone front shell and reduce the waste of glue.

[0043] It should be noted that since the second glue injection channel 322 of the first limiting moving plate 320 is horizontal to achieve side glue injection, the glue in the second glue injection channel 322 will not drip onto the surface of the front shell finished product when the first limiting moving plate 320 is far away from the front shell finished product. The amount of glue dripped from the horizontal second glue injection channel 322 will be reduced, further reducing glue waste.

[0044] It should be further explained that the inclination of the first limiting inclined post 310 is consistent with the inclination of the first insertion inclined groove 324, so that the first limiting inclined post 310 can be inserted into the first insertion inclined groove 324. Furthermore, when the first limiting inclined post 310 is inserted into the first insertion inclined groove 324 vertically downward, it will drive the first limiting moving plate 320 to move along the direction closer to the rear template 210, that is, along direction A1; while when the first limiting inclined post 310 is disengaged from the first insertion inclined groove 324 vertically upward, it will drive the first limiting moving plate 320 to move away from the rear template 210, that is, along direction B1.

[0045] like Figure 4 , Figure 5 and Figure 9As shown, in one embodiment, the movable limiting assembly 300 further includes a second limiting inclined post 330 and a second limiting moving plate 340. One end of the second limiting inclined post 330 is fixed to one end of the front mold 100. The second limiting moving plate 340 is disposed in the movable cavity 202. The top surface of the second limiting moving plate 340 has a third glue injection channel 342 and a second insertion inclined groove 344. The glue outlet end of the first glue injection channel 102 is connected to the glue inlet end of the third glue injection channel 342. The side surface of the second limiting moving plate 340 has a second glue outlet 346. The second limiting inclined post 330... When the second insertion groove 344 is inserted, the second limiting moving plate 340 moves in a direction close to the rear template 210, so that the side of the first limiting moving plate 320, the side of the second limiting moving plate 340, the front mold 100, the front template 110, the rear mold 200 and the rear template 210 together form a front shell forming cavity 104. The front shell forming cavity 104 is connected to the other end of the second glue outlet 346. The second limiting inclined column 330 is also used to move the second limiting moving plate 340 away from the rear template 210 when it is disengaged from the second insertion groove 344.

[0046] It is understood that in this embodiment, the first limiting moving plate 320 and the second limiting moving plate 340 are located on both sides of the rear template 210, that is, the first limiting moving plate 320 and the second limiting moving plate 340 simultaneously inject glue into both sides of the front shell molding cavity 104, thereby improving the glue injection speed while ensuring good molding consistency. Furthermore, the inclination of the second limiting inclined post 330 is consistent with the inclination of the second insertion inclined groove 344, so that the second limiting inclined post 330 can be inserted into the second insertion inclined groove 344. When the second limiting inclined post 330 is inserted into the second insertion inclined groove 344 vertically downward, it will drive the second limiting moving plate 340 to move in the direction close to the rear template 210, that is, along direction B2. When the second limiting inclined post 330 is disengaged from the second insertion inclined groove 344 vertically upward, it will drive the second limiting moving plate 340 to move in the direction away from the rear template 210, that is, along direction A2. This can avoid residual glue on the side of the front shell finished product and also recover the glue in the third glue injection channel 342 in the second limiting moving plate 340.

[0047] like Figure 4 , Figure 5 , Figure 10 and Figure 11As shown, in one embodiment, the movable limiting assembly 300 further includes a third limiting inclined post 350, a third limiting moving plate 360, a fourth limiting inclined post 370, and a fourth limiting moving plate 380. The third limiting moving plate 360 ​​and the fourth limiting moving plate 380 are both disposed within the movable cavity 202. The top surface of the third limiting moving plate 360 ​​has a third insertion inclined groove 362, and the top surface of the fourth limiting moving plate 380 has a third and fourth insertion inclined groove 382. The third limiting inclined post 350 is used to insert into the third insertion inclined groove 370. At time 62, the third limiting moving plate 360 ​​moves towards the rear template 210. The fourth limiting inclined column 370 is used to move the fourth limiting moving plate 380 towards the rear template 210 when inserted into the third and fourth insertion inclined grooves 382. This causes the sides of the first limiting moving plate 320, the second limiting moving plate 340, the third limiting moving plate 360, the fourth limiting moving plate 380, the front mold 100, the front template 110, and the rear template 210 to jointly form the front shell forming cavity 104. The third limiting inclined column 350 is also used to move the third limiting moving plate 360 ​​away from the rear template 210 when disengaging from the third insertion inclined groove 362. The fourth limiting inclined column 370 is also used to move the fourth limiting moving plate 380 away from the rear template 210 when disengaging from the third and fourth insertion inclined grooves 382.

[0048] It is understandable that by setting a third limiting moving plate 360 ​​and a fourth limiting moving plate 380, and with the third limiting moving plate 360 ​​and the fourth limiting moving plate 380 respectively located on the other two sides of the rear template 210, the first limiting moving plate 320, the second limiting moving plate 340, the third limiting moving plate 360 ​​and the fourth limiting moving plate 380 together form a baffle to enclose the rear template 210 when the front template 100 and the rear template 200 are assembled. The sides of the first limiting moving plate 320, the second limiting moving plate 340, the third limiting moving plate 360, the fourth limiting moving plate 380, the front template 100, the front template 110 and the rear template 210 together form the front shell forming cavity 104. Furthermore, when the front mold 100 and the rear mold 200 are separated, i.e. after the front shell is cured, the first limiting inclined post 310 disengages from the first insertion inclined groove 324, the second limiting inclined post 330 disengages from the second insertion inclined groove 344, the third limiting inclined post 350 disengages from the third insertion inclined groove 362, and the fourth limiting inclined post 370 disengages from the third and fourth insertion inclined grooves 382. This causes the first limiting moving plate 320, the second limiting moving plate 340, the third limiting moving plate 360, and the fourth limiting moving plate 380 to move simultaneously in a direction away from the rear mold plate 210. This facilitates the demolding of the front shell and avoids residual glue on the side of the shell. It also allows for the recycling of the glue in the second injection channel 322 within the first limiting moving plate 320 and the glue in the third injection channel 342 within the second limiting moving plate 340.

[0049] Furthermore, the inclination of the third limiting inclined post 350 is consistent with the inclination of the third insertion inclined groove 362, allowing the third limiting inclined post 350 to be inserted into the third insertion inclined groove 362. The inclination of the fourth limiting inclined post 370 is consistent with the inclination of the third and fourth insertion inclined grooves 382, ​​allowing the fourth limiting inclined post 370 to be inserted into the third and fourth insertion inclined grooves 382. When the third limiting inclined post 350 is inserted vertically downward into the third insertion inclined groove 362, it will drive the third limiting moving plate 360 ​​to move in the direction closer to the rear template 210, that is, move in direction C1. When the inclined column 350 disengages vertically upward from the third insertion groove 362, it will cause the third limiting moving plate 360 ​​to move away from the rear template 210, that is, move along direction D1; when the fourth limiting inclined column 370 is inserted vertically downward into the third and fourth insertion grooves 382, ​​it will cause the fourth limiting moving plate 380 to move closer to the rear template 210, that is, move along direction D2; and when the fourth limiting inclined column 370 disengages vertically upward from the third and fourth insertion grooves 382, ​​it will cause the fourth limiting moving plate 380 to move away from the rear template 210, that is, move along direction C2.

[0050] like Figure 4 , Figure 5 , Figure 8 , Figure 9 Figure 10 and Figure 11As shown, in one embodiment, when the first limiting inclined post 310 is inserted into the first insertion inclined groove 324, it drives the first limiting moving plate 320 to move along the direction close to the first side end of the rear template 210. When the second limiting inclined post 330 is inserted into the second insertion inclined groove 344, it drives the second limiting moving plate 340 to move along the direction close to the third side end of the rear template 210. When the third limiting inclined post 350 is inserted into the third insertion inclined groove 362, it drives the third limiting moving plate 360 ​​to move along the direction close to the second side end of the rear template 210. When the fourth limiting inclined post 370 is inserted into the third and fourth insertion inclined grooves 382, ​​it drives the fourth limiting moving plate 380 to move along the direction close to the fourth side end of the rear template 210. The first limiting inclined column 310 is also used to drive the first limiting moving plate 320 to move away from the first side end of the rear template 210 when it is disengaged from the first insertion inclined groove 324. The second limiting inclined column 330 is also used to drive the second limiting moving plate 340 to move away from the third side end of the rear template 210 when it is disengaged from the second insertion inclined groove 344. The third limiting inclined column 350 is also used to drive the third limiting moving plate 360 ​​to move away from the second side end of the rear template 210 when it is disengaged from the third insertion inclined groove 362. The fourth limiting inclined column 370 is also used to drive the fourth limiting moving plate 380 to move away from the fourth side end of the rear template 210 when it is disengaged from the third and fourth insertion inclined grooves 382. It should be noted that the first limiting moving plate 320 moves along the direction close to the first side end of the rear template 210, that is, along direction A1; the first limiting moving plate 320 moves along the direction away from the first side end of the rear template 210, that is, along direction B1; the second limiting moving plate 340 moves along the direction close to the third side end of the rear template 210, that is, along direction B2; the second limiting moving plate 340 moves along the direction away from the third side end of the rear template 210, that is, along direction A2; the third limiting moving plate 360 ​​moves along the direction close to the second side end of the rear template 210, that is, along direction C1; the third limiting moving plate 360 ​​moves along the direction away from the second side end of the rear template 210, that is, along direction D1; the fourth limiting moving plate 380 moves along the direction close to the fourth side end of the rear template 210, that is, along direction D2; the fourth limiting moving plate 380 moves along the direction away from the fourth side end of the rear template 210, that is, along direction C2.

[0051] It should be noted that A1 and A2 are in the same direction, B1 and B2 are in the same direction, C1 and C2 are in the same direction, and D1 and D2 are in the same direction.

[0052] like Figure 2 , Figure 4 and Figure 5As shown, in one embodiment, the movable limiting component 300 further includes a first limiting top block 390, a second limiting top block 3100, a third limiting top block 3110, and a fourth limiting top block 3120. One end of the first limiting top block 390 is disposed on one end of the front module 100 adjacent to the first limiting inclined post 310, and the other end of the first limiting top block 390 is movably abutting against the first limiting movable plate 320. One end of the second limiting top block 3100 is disposed on one end of the front module 100 adjacent to the second limiting inclined post 330. At the end, the other end of the second limiting top block 3100 is movably abutting against the second limiting moving plate 340. One end of the third limiting top block 3110 is located near the third limiting inclined post 350 and is disposed on one end of the front mold 100. The other end of the third limiting top block 3110 is movably abutting against the third limiting moving plate 360. One end of the fourth limiting top block 3120 is located near the fourth limiting inclined post 370 and is disposed on one end of the front mold 100. The other end of the fourth limiting top block 3120 is movably abutting against the fourth limiting moving plate 380. It can be understood that the limiting top blocks play a locking role. When the front module 100 and the rear module 200 are assembled, the first limiting top block 390 will press the first limiting moving plate 320 in the movable cavity 202, the second limiting top block 3100 will press the second limiting moving plate 340 in the movable cavity 202, the third limiting top block 3110 will press the third limiting moving plate 360 ​​in the movable cavity 202, and the fourth limiting top block 3120 will press the fourth limiting moving plate 380 in the movable cavity 202. This causes the first limiting moving plate 320, the second limiting moving plate 340, the third limiting moving plate 360, and the fourth limiting moving plate 380 to be spliced ​​together to form a baffle plate, which enhances the structural stability of the baffle plate and ensures the stable progress of the injection molding process of the front shell molding cavity 104, thereby improving the yield of the mobile phone front shell.

[0053] like Figure 1 , Figure 3 and Figure 4As shown, in one embodiment, the front mold 100 is provided with a glue injection funnel 120, a glue injection channel plate 140, and a plurality of glue injection pipes 160. The glue injection funnel 120, the glue injection channel plate 140, and the plurality of glue injection pipes 160 together form a first glue injection channel 102. The glue inlet end of the glue injection funnel 120 is located on the other end of the front mold 100. The other end of the glue injection funnel 120, the glue injection channel plate 140, and the plurality of glue injection pipes 160 are all located on the front mold 100. Within the mold, the other end of the injection funnel 120 is connected to the inlet end of the injection runner plate 140. The injection runner plate 140 has multiple outlet ends. One end of each injection tube 160 is connected to a corresponding outlet end on the injection runner plate 140, and the other end of each injection tube 160 extends to one end of the front mold part 100. The other end of each injection tube 160 is used to connect to the inlet end of the second injection runner 322 or the inlet end of the third injection runner 342. It can be understood that the adhesive flows into the injection runner plate 140 through the injection funnel 120, then branches off from the injection runner plate 140 to several injection tubes 160, and finally flows from the several injection tubes 160 to the second injection runner 322 and the third injection runner 342 to complete the injection of the adhesive.

[0054] like Figure 3 As shown, in one embodiment, the injection molding mold 10 further includes an electric heating tube 400, which is disposed on the injection runner plate 140. It is understood that the electric heating tube 400 is used to heat the adhesive within the injection runner plate 140, ensuring that the adhesive remains molten and flows into the front shell molding cavity 104, while simultaneously preventing premature curing of the adhesive and potential blockage within the injection runner plate 140.

[0055] like Figure 2 and Figure 5 As shown, in one embodiment, the front module 100 is further provided with a first water inlet 106, a first cooling water channel, and a first water outlet 108. One end of the first water inlet 106 is connected to the outlet of the cooling water circulation component, the other end of the first water inlet 106 is connected to one end of the first cooling water channel, the other end of the first cooling water channel is connected to one end of the first water outlet 108, and the other end of the first water outlet 108 is connected to the water inlet of the cooling water circulation component. The rear module 200 is further provided with a second water inlet 204, a second cooling water channel, and a second water outlet 206. One end of the second water inlet 204 is connected to the outlet of the cooling water circulation component, the other end of the second water inlet 204 is connected to one end of the second cooling water channel, the other end of the second cooling water channel is connected to one end of the second water outlet 206, and the other end of the second water outlet 206 is connected to the water inlet of the cooling water circulation component. It is understandable that cooling water channels are provided in both the front mold 100 and the rear mold 200 to ensure that the finished front shell in the front shell molding cavity 104 can be cured.

[0056] like Figure 1 and Figure 4 As shown, in one embodiment, the injection molding mold 10 further includes an ejector pin assembly 500, which is disposed within the rear mold part 200. The ejector pin assembly 500 is used to eject the finished front shell from the front shell molding cavity 104. It can be understood that demolding is completed by ejecting the molded front shell from the front shell molding cavity 104 through the ejector pin assembly 500. The ejector pin assembly 500 is prior art and will not be described in detail here.

[0057] This disclosure also provides an injection molding apparatus for a mobile phone front shell, including the injection molding mold for a mobile phone front shell as described in any of the above embodiments.

[0058] In this embodiment, the injection molding mold based on the mobile phone front shell disclosed herein can avoid residual glue on the surface of the finished mobile phone front shell, improve the yield of the mobile phone front shell and reduce glue waste.

[0059] Compared with the prior art, this disclosure has at least the following advantages:

[0060] When the front and rear mold parts are assembled and connected, the first limiting inclined post is vertically inserted into the first insertion inclined groove and drives the first limiting moving plate to move in the direction close to the rear mold plate during the insertion process, thereby forming the front shell molding cavity. Then, the glue is injected into the glue inlet end of the first glue injection channel of the front mold part, so that the glue flows from the first glue injection channel to the second glue injection channel, and then flows into the front shell molding cavity through the first glue outlet. The first glue outlet is set on the side of the first limiting moving plate to achieve the effect of side glue injection, avoiding the situation where glue drips due to gravity after the front glue injection is completed, resulting in residual glue on the surface of the front shell finished product. Furthermore, after the front shell is cured, by separating the front mold and the rear mold, when the first limiting inclined post is vertically separated from the first insertion inclined groove, it will drive the first limiting moving plate to move away from the rear mold, so that the first glue outlet of the first limiting moving plate is away from the front shell. This can avoid the situation of residual glue on the side of the front shell and can also recycle the glue in the second glue channel in the first limiting moving plate. This can effectively improve the yield of the mobile phone front shell and reduce the waste of glue.

[0061] The embodiments described above are merely illustrative of several implementations of this disclosure, and while the descriptions are specific and detailed, they should not be construed as limiting the scope of the disclosed patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this disclosure, and these all fall within the protection scope of this disclosure. Therefore, the protection scope of this patent should be determined by the appended claims.

Claims

1. A glue injection molding die based on a mobile phone front cover, characterized in that, The front mold piece and the rear mold piece are movably connected at one end of the front mold piece and one end of the rear mold piece; A first glue injection channel is formed in the front mold piece, and a front mold plate is arranged on one end of the front mold piece; An active cavity is formed in one end of the rear mold piece, and a rear mold plate is arranged on one end of the rear mold piece and located in the active cavity, the rear mold plate is arranged in alignment with the front mold plate, so that the rear mold plate movably abuts against the front mold plate; The movement limiting assembly comprises a first limiting inclined column and a first limiting movement plate, one end of the first limiting inclined column is fixed on one end of the front mold piece, the first limiting movement plate is arranged in the active cavity, a second glue injection channel and a first plug-in inclined slot are formed in the top surface of the first limiting movement plate, the glue outlet end of the first glue injection channel is in communication with the glue inlet end of the second glue injection channel, a first glue outlet opening is formed in the side surface of the first limiting movement plate, the glue outlet end of the second glue injection channel is in communication with one end of the first glue outlet opening, when the first limiting inclined column is inserted into the first plug-in inclined slot, the first limiting inclined column drives the first limiting movement plate to move in the direction of approaching the rear mold plate, so that the side surface of the first limiting movement plate, the front mold piece, the front mold plate, the rear mold piece and the rear mold plate jointly form a front shell forming cavity, the front shell forming cavity is in communication with the other end of the first glue outlet opening, and when the first limiting inclined column is separated from the first plug-in inclined slot, the first limiting inclined column drives the first limiting movement plate to move in the direction of moving away from the rear mold plate.

2. The injection molding mold based on a mobile phone front cover according to claim 1, wherein, The movement limiting assembly further comprises a second limiting inclined column and a second limiting movement plate, one end of the second limiting inclined column is fixed on one end of the front mold piece, the second limiting movement plate is arranged in the active cavity, a third glue injection channel and a second plug-in inclined slot are formed in the top surface of the second limiting movement plate, the glue outlet end of the first glue injection channel is in communication with the glue inlet end of the third glue injection channel, a second glue outlet opening is formed in the side surface of the second limiting movement plate, when the second limiting inclined column is inserted into the second plug-in inclined slot, the second limiting inclined column drives the second limiting movement plate to move in the direction of approaching the rear mold plate, so that the side surface of the first limiting movement plate, the side surface of the second limiting movement plate, the front mold piece, the front mold plate, the rear mold piece and the rear mold plate jointly form the front shell forming cavity, the front shell forming cavity is in communication with the other end of the second glue outlet opening, and when the second limiting inclined column is separated from the second plug-in inclined slot, the second limiting inclined column drives the second limiting movement plate to move in the direction of moving away from the rear mold plate.

3. The injection molding mold based on a mobile phone front cover according to claim 2, characterized in that, The mobile limiting assembly further comprises a third limiting inclined column, a third limiting mobile plate, a fourth limiting inclined column and a fourth limiting mobile plate, the third limiting mobile plate and the fourth limiting mobile plate are arranged in the movable cavity, a third plug-in inclined groove is arranged on the top surface of the third limiting mobile plate, a fourth plug-in inclined groove is arranged on the top surface of the fourth limiting mobile plate, the third limiting inclined column is used for driving the third limiting mobile plate to move along the direction close to the rear mold plate when the third limiting inclined column is inserted into the third plug-in inclined groove, the fourth limiting inclined column is used for driving the fourth limiting mobile plate to move along the direction close to the rear mold plate when the fourth limiting inclined column is inserted into the fourth plug-in inclined groove, so that the side surface of the first limiting mobile plate, the side surface of the second limiting mobile plate, the side surface of the third limiting mobile plate, the side surface of the fourth limiting mobile plate, the front mold piece, the front mold plate and the rear mold plate jointly enclose the front shell forming cavity; The third limiting inclined column is further used for driving the third limiting mobile plate to move along the direction away from the rear mold plate when the third limiting inclined column is separated from the third plug-in inclined groove, and the fourth limiting inclined column is further used for driving the fourth limiting mobile plate to move along the direction away from the rear mold plate when the fourth limiting inclined column is separated from the fourth plug-in inclined groove.

4. The injection molding mold based on a mobile phone front cover according to claim 3, characterized in that, The first limiting inclined column is used for driving the first limiting mobile plate to move along the direction close to the first side end of the rear mold plate when the first limiting inclined column is inserted into the first plug-in inclined groove, the second limiting inclined column is used for driving the second limiting mobile plate to move along the direction close to the third side end of the rear mold plate when the second limiting inclined column is inserted into the second plug-in inclined groove, the third limiting inclined column is used for driving the third limiting mobile plate to move along the direction close to the second side end of the rear mold plate when the third limiting inclined column is inserted into the third plug-in inclined groove, and the fourth limiting inclined column is used for driving the fourth limiting mobile plate to move along the direction close to the fourth side end of the rear mold plate when the fourth limiting inclined column is inserted into the fourth plug-in inclined groove. The first limiting inclined column is further used for driving the first limiting mobile plate to move along the direction away from the first side end of the rear mold plate when the first limiting inclined column is separated from the first plug-in inclined groove, the second limiting inclined column is further used for driving the second limiting mobile plate to move along the direction away from the third side end of the rear mold plate when the second limiting inclined column is separated from the second plug-in inclined groove, the third limiting inclined column is further used for driving the third limiting mobile plate to move along the direction away from the second side end of the rear mold plate when the third limiting inclined column is separated from the third plug-in inclined groove, and the fourth limiting inclined column is further used for driving the fourth limiting mobile plate to move along the direction away from the fourth side end of the rear mold plate when the fourth limiting inclined column is separated from the fourth plug-in inclined groove.

5. The overmolding mold based on a mobile phone front cover according to claim 3, characterized in that, The mobile limiting assembly further comprises a first limiting top block, a second limiting top block, a third limiting top block and a fourth limiting top block, one end of the first limiting top block is arranged on one end of the front mold piece adjacent to the first limiting inclined column, the other end of the first limiting top block is movably abuts with the first limiting mobile plate, one end of the second limiting top block is arranged on one end of the front mold piece adjacent to the second limiting inclined column, the other end of the second limiting top block is movably abuts with the second limiting mobile plate, one end of the third limiting top block is arranged on one end of the front mold piece adjacent to the third limiting inclined column, the other end of the third limiting top block is movably abuts with the third limiting mobile plate, one end of the fourth limiting top block is arranged on one end of the front mold piece adjacent to the fourth limiting inclined column, the other end of the fourth limiting top block is movably abuts with the fourth limiting mobile plate.

6. The injection molding mold based on a mobile phone front cover case according to claim 2, wherein, The front mold piece is provided with a glue injection funnel, a glue injection runner plate and a plurality of glue injection pipes, the glue injection funnel, the glue injection runner plate and the plurality of glue injection pipes jointly form the first glue injection runner, the glue injection end of the glue injection funnel is located on the other end of the front mold piece, the other end of the glue injection funnel, the glue injection runner plate and the plurality of glue injection pipes are all arranged in the front mold piece, the other end of the glue injection funnel is in communication with the glue injection end of the glue injection runner plate, the number of glue injection ends of the glue injection runner plate is multiple, one end of each of the plurality of glue injection pipes is in communication with the corresponding glue injection end of the glue injection runner plate, the other end of each of the plurality of glue injection pipes extends to one end of the front mold piece, and the other end of each of the plurality of glue injection pipes is used for being in communication with the glue injection end of the second glue injection runner or the glue injection end of the third glue injection runner.

7. The injection molding mold based on a mobile phone front cover according to claim 6, wherein, The electric heating pipe is arranged on the glue injection runner plate.

8. The injection molding mold based on a mobile phone front cover case according to claim 1, wherein, The first water inlet of the front mold piece is used for being in communication with the water outlet end of the cooling water circulating assembly, one end of the first cooling water flow channel is in communication with the other end of the first water inlet, one end of the first water outlet is in communication with the other end of the first cooling water flow channel, and the other end of the first water outlet is used for being in communication with the water inlet end of the cooling water circulating assembly. The second water inlet of the rear mold piece is used for being in communication with the water outlet end of the cooling water circulating assembly, one end of the second cooling water flow channel is in communication with the other end of the second water inlet, one end of the second water outlet is in communication with the other end of the second cooling water flow channel, and the other end of the second water outlet is used for being in communication with the water inlet end of the cooling water circulating assembly.

9. The injection molding mold based on a mobile phone front cover case according to claim 1, wherein, The ejector pin assembly is arranged in the rear mold piece, and the ejector pin assembly is used for ejecting the front shell product in the front shell forming cavity.

10. A glue injection molding device based on a mobile phone front cover, characterized in that, The mobile limiting assembly further comprises a first limiting top block, a second limiting top block, a third limiting top block and a fourth limiting top block, one end of the first limiting top block is arranged on one end of the front mold piece adjacent to the first limiting inclined column, the other end of the first limiting top block is movably abuts with the first limiting mobile plate, one end of the second limiting top block is arranged on one end of the front mold piece adjacent to the second limiting inclined column, the other end of the second limiting top block is movably abuts with the second limiting mobile plate, one end of the third limiting top block is arranged on one end of the front mold piece adjacent to the third limiting inclined column, the other end of the third limiting top block is movably abuts with the third limiting mobile plate, one end of the fourth limiting top block is arranged on one end of the front mold piece adjacent to the fourth limiting inclined column, the other end of the fourth limiting top block is movably abuts with the fourth limiting mobile plate.

Images