Injection molding mold for waterproof plug of mobile phone

Abstract

The utility model discloses an injection molding mold for a waterproof plug of a mobile phone, and relates to the technical field of injection molding. A mobile phone waterproof plug injection molding mold comprises a lower mold body, a sliding rod is fixedly connected to the upper top end of the lower mold body, an upper mold body is slidably connected to the outer wall of the sliding rod, an ejection assembly is arranged at the upper top end of the upper mold body and comprises an ejection supporting plate fixedly connected to the end of the upper mold body, and a plurality of sliding grooves are formed in the upper top end of the ejection supporting plate. When a small part needs to be ejected, the rotary knob is rotated to drive the two-way screw rod to rotate, and the rod base limited in the limiting groove in a sliding mode and the ejector rod connected with the spring in the rod base in a compressed mode slide into the channel, so that an ejection module and an oil way do not need to be additionally arranged through the assembly, the injection molding efficiency can be improved, and the production cost is reduced. And small parts after injection molding can be prevented from being adhered to the ejection supporting plate to influence the injection molding quality.

Description

Technical Field

[0001] This utility model relates to the field of injection molding technology, specifically to an injection molding mold for a waterproof plug for mobile phones. Background Technology

[0002] Injection molding is a method of industrial product manufacturing. Its principle involves injecting molten plastic material into a specific mold under high pressure. After cooling and solidification, the desired plastic product is obtained, such as plastic toys. The injection molding process is inseparable from the mold. First, the mold is made; then, the plastic raw material is heated to a molten state and injected into the mold. After the plastic cools and solidifies, the mold is opened, and the finished product is ejected using an ejector assembly.

[0003] An investigation revealed that a Chinese utility model patent (publication number: CN222004278U) discloses an injection molding mold, which is roughly described as including an injection support plate. A drive telescopic rod is provided on one side of the outer end face of the injection support plate. The output shaft of the drive telescopic rod passes through the end face of the injection support plate and extends to its inner side. A mold support plate is provided on one side of the injection support plate. In actual use, by aligning the injection tube, concave mounting groove, injection pipe, heating mounting plate, and electric heating rod, this utility model allows for the heating of residual hot-melt plastic inside the injection tube when the injection hot-melt equipment stops working. This prevents the plastic inside the injection pipe from solidifying when the equipment stops, thus avoiding affecting the injection effect. Furthermore, the corresponding arrangement of the heat dissipation mounting groove and the connecting water inlet facilitates faster and more efficient cooling during plastic hot-melt processes.

[0004] While the aforementioned technical solution can melt residual plastic after injection molding by using injection rods, injection pipes, and electric heating rods, thus preventing solidification of the plastic on the device and affecting the injection molding effect, and accelerate cooling efficiency using heat dissipation grooves and water inlets, the device only uses a drive telescopic rod to eject the finished plastic product. For small parts, such as waterproof plugs for mobile phones, the main shaft cannot completely eject the thermoplastic product, requiring modification of the ejection module. This is not only costly but also requires a certain level of operator skill and is not conducive to adapting the device to a wider range of injection molds.

[0005] Therefore, this utility model provides an injection molding die for a waterproof plug for mobile phones to solve the above problems. Utility Model Content

[0006] To address the shortcomings of existing technologies, this utility model provides an injection molding die for a waterproof plug for mobile phones, which solves the problems mentioned in the background section.

[0007] To achieve the above objectives, this utility model provides the following technical solution:

[0008] A mobile phone waterproof plug injection molding die includes a lower die, a sliding rod fixedly connected to the upper top of the lower die, an upper die slidably connected to the outer wall of the sliding rod, and an ejection assembly provided at the upper top of the upper die;

[0009] The ejection assembly includes an ejection support plate fixedly connected to the end of the upper mold. The top of the ejection support plate has multiple sliding grooves, and the ejection support plate has multiple ejection holes located at the sliding grooves. An ejection plate is slidably connected to the outer wall of the sliding rod above the ejection support plate. A limit groove is provided at the bottom of the ejection plate. Multiple rod seats are slidably limited in the limit groove. A push rod is connected to the inside of the rod seat by a spring. Multiple support frames are fixedly connected to the side wall of the rod seat. A bidirectional screw is symmetrically threaded to the inner wall of the support frame. A knob is fixedly connected to the end of the bidirectional screw.

[0010] Furthermore, an ejector shaft is fixedly connected to the middle of the ejector plate, a top hole is opened inside the upper mold corresponding to the ejector shaft, and multiple channels are opened in the upper mold corresponding to the ejector rod.

[0011] Furthermore, an end plate is slidably connected to the outer wall of the sliding rod at the upper end of the ejector plate, an ejector sliding rod is fixedly connected to the outer wall of the end plate, multiple telescopic rods are fixedly connected inside the end plate, and a return spring is fixedly connected to the outer wall of the telescopic rod on the end plate.

[0012] Furthermore, the lower mold end is fixedly connected to a glue inlet, the outer wall of the glue inlet is slidably fitted with a sealing sleeve, and the upper top of the lower mold is fixedly connected to a mold groove.

[0013] Furthermore, a heat dissipation groove is provided inside the lower mold located in the mold groove, and a heat dissipation pipe is fixedly connected inside the heat dissipation groove. A water inlet connected to the heat dissipation pipe is fixedly connected to the side wall of the lower mold.

[0014] Furthermore, a heating groove is provided at the end of the upper mold, and a heating tube for accelerating demolding is provided inside the heating groove.

[0015] The beneficial effects of this utility model are:

[0016] This invention, by setting an ejection assembly, allows for convenient switching of ejection modes. When smaller parts need to be ejected, rotating the knob drives the bidirectional screw to rotate, which in turn causes the support frame threaded onto its outer wall to retract in opposite directions. A limiting groove is set at the bottom of the ejection plate, and the ejector rod, which is slidably limited by a rod seat inside the limiting groove and compressed by a spring inside the rod seat, slides into the groove, thus quickly ejecting the small parts during the ejection process. When larger parts need to be ejected, simply reverse the knob to disengage the ejector rod from the groove, and only the ejection shaft ejects the large parts during the ejection process. This assembly allows for convenient switching of ejection modes without the need for additional ejection modules and hydraulic circuits, which not only improves injection molding efficiency but also prevents small parts from sticking to the ejection support plate after injection molding, affecting the injection molding quality. Attached Figure Description

[0017] Figure 1 A schematic diagram of the overall structure of an injection mold for a waterproof plug for mobile phones;

[0018] Figure 2 A schematic diagram of the longitudinally split structure of an injection mold for a waterproof plug for mobile phones;

[0019] Figure 3 A schematic diagram of the ejector support plate structure of an injection mold for a waterproof plug for mobile phones;

[0020] Figure 4 A schematic diagram of the ejector shaft structure of an injection mold for a waterproof plug for mobile phones;

[0021] Figure 5 This is a schematic diagram of the heat dissipation pipe structure of an injection mold for a waterproof plug for mobile phones.

[0022] In the diagram: 1. Lower mold; 101. Sliding rod; 102. Upper mold; 103. Glue inlet; 104. Sealing sleeve; 105. Mold groove; 106. Heat dissipation groove; 107. Heat dissipation pipe; 108. Water inlet; 2. Ejection assembly; 201. Ejection support plate; 202. Slide groove; 203. Ejection hole; 204. Ejection plate; 205. Limiting groove; 206. Rod seat; 207. Ejector rod; 208. Support frame; 209. Bidirectional screw; 210. Knob; 211. Ejection shaft; 212. Ejector hole; 213. Channel; 214. Heating groove; 215. Heating pipe; 3. End plate; 301. Sliding rod; 302. Telescopic rod; 303. Return spring. Detailed Implementation

[0023] Various exemplary embodiments, features, and aspects of this application will now be described in detail with reference to the accompanying drawings. The same reference numerals in the drawings denote elements that have the same or similar functions. Although various aspects of the embodiments are shown in the drawings, they are not necessarily drawn to scale unless specifically indicated otherwise.

[0024] The term “exemplary” as used herein means “serving as an example, embodiment, or illustration.” Any embodiment illustrated herein as “exemplary” is not necessarily to be construed as superior to or better than other embodiments.

[0025] Furthermore, to better illustrate this application, numerous specific details are provided in the following detailed embodiments. Those skilled in the art should understand that this application can be implemented without certain specific details. In some instances, methods, means, and elements well-known to those skilled in the art have not been described in detail in order to highlight the main points of this application.

[0026] Reference Figures 1-5 This utility model provides two technical solutions:

[0027] Example 1:

[0028] A mobile phone waterproof plug injection molding mold includes a lower mold 1, a sliding rod 101 fixedly connected to the top of the lower mold 1, an upper mold 102 slidably connected to the outer wall of the sliding rod 101, and an ejection component 2 provided at the top of the upper mold 102.

[0029] Ejection assembly 2 includes an ejection support plate 201 fixedly connected to the end of upper mold 102. The top of the ejection support plate 201 has multiple grooves 202. The ejection support plate 201 has multiple ejection holes 203 at the grooves 202. The outer wall of the sliding rod 101 is slidably connected to an ejection plate 204 above the ejection support plate 201. The bottom of the ejection plate 204 has a limit groove 205. Multiple rod seats 206 are slidably limited in the limit groove 205. The rod seats 206 are spring-connected to the ejector rods 207. Multiple support frames 208 are fixedly connected to the side wall of the rod seats 206. The inner wall of the support frames 208 is symmetrically threaded with bidirectional screws 209. A knob 210 is fixedly connected to the end of the bidirectional screws 209.

[0030] An ejector shaft 211 is fixedly connected to the middle of the ejector plate 204. A top hole 212 is opened inside the upper mold 102 corresponding to the ejector shaft 211. Multiple channels 213 are opened in the upper mold 102 corresponding to the ejector rod 207.

[0031] Specifically, the ejection assembly 2 allows for convenient switching of ejection modes without the need for an additional ejection module or hydraulic circuit. When ejecting small plastic parts, simply turn the knob 210 to rotate the bidirectional screw 209, causing the threaded support frame 208 on the outer wall to retract in opposite directions. This causes the multiple rod seats 206 inside the support frame 208 to slide within the limiting groove 205. When the spring-connected push rod 207 inside the rod seat 206 slides into the channel 213, the spring's properties will push the push rod... The ejector rod 207 pops out of the channel 213 and engages with it. Therefore, when ejecting, it will drive the ejector plate 204 to push inward. The use of multiple ejector rods 207 can quickly eject small parts, avoiding the phenomenon that small parts cannot be ejected when there is only a single ejector shaft 211. When it is necessary to eject large parts, simply turn the knob 210 in the opposite direction to drive the ejector rod 207 away from the channel 213. During ejection, only the ejector shaft 211 ejects. This component can speed up the ejection efficiency and also speed up the injection molding efficiency.

[0032] Example 2:

[0033] Based on Example 1:

[0034] The outer wall of the sliding rod 101 is slidably connected to the upper end of the ejector plate 204. The outer wall of the end plate 3 is fixedly connected to the ejector sliding rod 301. Multiple telescopic rods 302 are fixedly connected inside the end plate 3. A return spring 303 is fixedly connected to the outer wall of the telescopic rods 302.

[0035] The lower mold 1 has a glue inlet 103 fixedly connected to its end, and a sealing sleeve 104 is slidably sleeved on the outer wall of the glue inlet 103. The upper top of the lower mold 1 has a mold groove 105 fixedly connected to it.

[0036] The lower mold 1 has a heat dissipation groove 106 inside the mold groove 105. A heat dissipation pipe 107 is fixedly connected inside the heat dissipation groove 106. A water inlet 108 connected to the heat dissipation pipe 107 is fixedly connected to the side wall of the lower mold 1.

[0037] A heating groove 214 is provided at the end of the upper mold 102, and a heating tube 215 for accelerating demolding is provided inside the heating groove 214.

[0038] Specifically, the sprue 103 at the end of the lower mold 1 facilitates the injection of molten plastic into the lower mold 1 for thermoforming. The sealing sleeve 104 on the outer wall of the sprue 103 prevents air from entering and affecting the quality of the injection molding. The heat dissipation pipe 107 inside the heat dissipation groove 106 in the lower mold 1 allows coolant to be added through the water inlet 108 for rapid cooling after injection molding. The heating pipe 215 inside the upper mold 102 prevents the molten plastic from sticking inside the mold during the injection molding process, thus avoiding affecting the quality of the finished product.

[0039] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0040] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A mobile phone waterproof plug injection molding mold, comprising a lower mold (1), characterized in that: The upper top of the lower mold (1) is fixedly connected to a sliding rod (101), and the outer wall of the sliding rod (101) is slidably connected to an upper mold (102). The upper top of the upper mold (102) is provided with an ejection assembly (2). The ejection assembly (2) includes an ejection support plate (201) fixedly connected to the end of the upper mold (102). The ejection support plate (201) has multiple grooves (202) at its top end, and multiple ejection holes (203) are formed at the grooves (202). An ejection plate (204) is slidably connected to the outer wall of the sliding rod (101) above the ejection support plate (201). 4) A limiting groove (205) is provided at the bottom end. Multiple rod seats (206) are slidably limited in the limiting groove (205). A top rod (207) is connected to the inside of the rod seat (206) by a spring. Multiple support frames (208) are fixedly connected to the side wall of the rod seat (206). A double screw (209) is symmetrically threaded to the inner wall of the support frame (208). A knob (210) is fixedly connected to the end of the double screw (209).

2. The injection mold for a waterproof plug for mobile phones according to claim 1, characterized in that: An ejector shaft (211) is fixedly connected to the middle of the ejector plate (204). A top hole (212) is provided inside the upper mold (102) corresponding to the ejector shaft (211). Multiple channels (213) are provided in the upper mold (102) corresponding to the ejector rod (207).

3. The injection mold for a waterproof plug for mobile phones according to claim 1, characterized in that: The outer wall of the sliding rod (101) is slidably connected to the upper end of the ejector plate (204) and the ejector sliding rod (301) is fixedly connected to the outer wall of the end plate (3). Multiple telescopic rods (302) are fixedly connected inside the end plate (3), and a return spring (303) is fixedly connected to the outer wall of the telescopic rod (302) of the end plate (3).

4. The injection mold for a waterproof plug for mobile phones according to claim 1, characterized in that: The lower mold (1) is fixedly connected to an inlet (103) at its end, and a sealing sleeve (104) is slidably sleeved on the outer wall of the inlet (103). A mold groove (105) is fixedly connected to the top of the lower mold (1).

5. The injection mold for a waterproof plug for mobile phones according to claim 4, characterized in that: The lower mold (1) has a heat dissipation groove (106) inside the mold groove (105), and a heat dissipation pipe (107) is fixedly connected inside the heat dissipation groove (106). The side wall of the lower mold (1) is fixedly connected to a water inlet (108) that communicates with the heat dissipation pipe (107).

6. The injection mold for a waterproof plug for mobile phones according to claim 1, characterized in that: The upper mold (102) has a heating groove (214) at its end, and a heating tube (215) for accelerating demolding is provided inside the heating groove (214).

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