In-mold injection molding and embedding device for 5G antenna
By using an in-mold injection molding device, the problems of complex manufacturing processes and environmental impact in traditional 5G antenna manufacturing have been solved, achieving both aesthetic appeal and stability of the antenna, while also improving its drop resistance.
Patent Information
- Application Number
- CN202422865015.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-25
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-11-25
AI Technical Summary
Traditional 5G antenna manufacturing processes are complex, environmentally unfriendly, and aesthetically unappealing. Traditional exposed antennas and engraved metal patterns are complex and environmentally unfriendly processes.
The system employs an in-mold injection molding device, which includes a drying module, an electroplating device, a carrier injection module, and an electroplating device. The electroplating device is used to electroplat the metal antenna and dehumidifies and dries the plastic particles through the drying module. The carrier injection module and the overmolding injection module are connected. A high-precision injection molding machine and a mold temperature control system are used to ensure the integrity and protection of the antenna.
It achieves stability, aesthetics, and environmental friendliness of 5G antennas by using a high-precision in-mold injection molding device to ensure the antenna's functionality and protection, while saving space and improving its drop resistance.
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Figure CN223630801U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to 5G antenna production technical field especially relates to a 5G antenna's in -mold injection molding buried shot device. BACKGROUND
[0002] In prior art, along with the continuous change of social productivity, development, the technology and mode of human communication also have earthshaking changes, and the change of communication technology becomes an important symbol of human civilization.From 2G, 3G, 4G to now's 5G, people's requirement to communication equipment is increasing, and to ensure the stability and performance of equipment, the production of 5G antenna is particularly important.
[0003] Traditional "exposed antenna" can cause too many segmented metal frames and damage the appearance, and although "carving" metal patterns on plastic to make antennas can solve the problem of affecting the appearance of exposure, the process is relatively complex (generally, after selective spraying of protective paint, laser radation is needed), and the workpiece needs to be protected during manufacturing, which has a greater impact on the environment. SUMMARY
[0004] According to the utility model embodiments, a 5G antenna in-mold injection molding buried shot device is provided, which includes an electroplating device for electroplating metal antennas, and further includes:
[0005] A drying module, which dehumidifies and dries plastic particles;
[0006] A carrier injection molding module, which is connected to the drying module, receives the plastic particles output by the drying module, and injection molds the plastic particles into a carrier;
[0007] The electroplating device is connected to the carrier injection molding module, and the electroplating device electroplates metal antennas on the surface of the carrier;
[0008] A glue-coated injection molding module, which is connected to the drying module and the electroplating device, receives the plastic particles output by the drying module and the carrier electroplated by the electroplating device, and injection molds the plastic particles on the surface of the carrier to form a coating.
[0009] Further, the drying module includes at least two dehumidifying dryers, which are respectively connected to the carrier injection molding module and the glue-coated injection molding module, and dehumidify and dry the plastic particles and output them to the injection molding module and the glue-coated injection molding module.
[0010] Further, the carrier injection molding module includes a double-color injection molding machine, a double-color mold, and a first heating water heater;
[0011] The double-color injection molding machine is connected to the drying module and receives the plastic particles output by the drying module;
[0012] The double-color mold is installed on the double-color injection molding machine;
[0013] The first heating water temperature machine is connected with the double-color mold and the double-color injection molding machine, and the first heating water temperature machine heats the double-color mold to a first specified temperature;
[0014] The double-color injection molding machine melts plastic particles and injects into the double-color mold, and outputs an injection molded carrier.
[0015] Further, the first specified temperature is 95 DEG C.
[0016] Further, the metal antenna is in a grid shape.
[0017] Further, the overmolding module comprises a single-color injection molding machine, a single-color mold and a second heating water temperature machine;
[0018] The single-color injection molding machine is connected with the drying module, and receives plastic particles output by the drying module;
[0019] The single-color mold is installed on the single-color injection molding machine, and the carrier after electroplating is placed in the single-color mold;
[0020] The second heating water temperature machine is connected with the single-color mold and the single-color injection molding machine, and the second heating water temperature machine heats the single-color mold to a second specified temperature;
[0021] The single-color injection molding machine melts plastic particles and injects into the single-color mold, and outputs an overmolding completed carrier.
[0022] Further, the overmolding module further comprises a temperature sensor and a pressure sensor;
[0023] The temperature sensor and the pressure sensor are arranged in the single-color mold;
[0024] The temperature sensor detects the internal temperature of the single-color mold;
[0025] The pressure sensor detects the cavity pressure of the single-color mold.
[0026] Further, the second specified temperature is 75 DEG C.
[0027] The in-mold injection embedding device of the 5G antenna according to the embodiment of the utility model, through the close cooperation of high-precision injection molding machine, high-precision mold temperature control system, high-end drying equipment, mold internal monitoring system and the selection of plastic particles, the characteristics of grid-shaped antenna are fully utilized, the integrity of the antenna is ensured when the 5G antenna is overmolded in the mold, the antenna function is protected by wrapping the antenna with plastic, space is saved for communication equipment, and the anti-falling performance of the equipment is ensured.
[0028] It is to be understood that both the foregoing general description and the following detailed description are exemplary, and are intended to provide further explanation of the subject technology claimed. Attached Figure Description
[0029] Figure 1 This is a schematic diagram of an in-mold injection molding device for a 5G antenna according to an embodiment of the present invention. Detailed Implementation
[0030] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, further illustrating the present invention.
[0031] First, combine Figure 1 This invention describes an in-mold injection molding apparatus for 5G antennas according to an embodiment of the present invention, which is used for the production and manufacturing of 5G antennas and has a wide range of applications.
[0032] like Figure 1 As shown, the in-mold injection molding device for a 5G antenna according to this utility model embodiment includes an electroplating device 4, which is used for electroplating metal antennas, and also includes a drying module, a carrier injection molding module and an overmolding injection molding module.
[0033] Specifically, such as Figure 1 As shown, in this embodiment, the drying module dehumidifies and dries the plastic particles, which are PC plastic particles or ABS plastic particles.
[0034] The carrier injection molding module is connected to the drying module. It receives the plastic particles output by the drying module and injection molds the plastic particles into a carrier. This carrier is the antenna carrier and is the basis of the electroplated metal antenna.
[0035] Electroplating device 4 is connected to carrier injection molding module, and electroplating device 4 electroplats metal antennas on the four sides of the carrier.
[0036] The overmolding module is connected to the drying module and the electroplating device 4. The overmolding module receives the plastic particles output by the drying module and the carrier electroplated by the electroplating device 4. The overmolding module injects plastic particles onto the surface of the carrier to form a coating. The overmolding module can reduce the number of coating steps, thereby reducing environmental pollution. It can also cover and protect the antenna, preventing it from being interfered with and damaged by the external environment, and improving the performance and stability of the antenna.
[0037] Furthermore, such as Figure 1As shown, in the embodiment, the drying module comprises: at least two dehumidifying dryers 1, the dehumidifying dryers 1 are dehumidifying dryers 1 with test dew point, the at least two dehumidifying dryers 1 are connected with the carrier injection molding module and the encapsulation injection molding module respectively, the at least two dehumidifying dryers 1 dehumidify and dry the plastic particles and output to the injection molding module and the encapsulation injection molding module, the dehumidifying dryers 1 can be two or three, the plastic particles input to the carrier injection molding module and the encapsulation injection molding module by the dehumidifying dryers 1 are of the same material or different materials, the dehumidifying dryers 1 can effectively remove the moisture in the raw materials, improve the quality and stability of the products, and reduce the occurrence of defective products.
[0038] Further, as shown in the embodiment, the carrier injection molding module comprises: a two-color injection molding machine 21, a two-color mold 22, and a first heating water temperature machine 23. Figure 1
[0039] The two-color injection molding machine 21 is connected with the drying module, receives the plastic particles output by the drying module, the plastic particles are PC material, the two-color injection molding machine 21 adopts a full-computer-controlled two-color injection molding machine 21, which can accurately control the injection pressure, injection speed, pressure holding time, temperature and other parameters, to ensure that the plastic particles are fully melted and flowed in the mold to form a complete product.
[0040] The two-color mold 22 is installed on the two-color injection molding machine 21 and is used for forming the carrier.
[0041] The first heating water temperature machine 23 is connected with the two-color mold 22 and the two-color injection molding machine 21, the first heating water temperature machine 23 heats the two-color mold 22 to a first specified temperature, the first heating water temperature machine 23 adopts a full-automatic mold heating water temperature machine to heat the two-color mold 22, to ensure that the surface temperature of the mold is stably at 95°C.
[0042] The two-color injection molding machine 21 melts the plastic particles and injects them into the two-color mold 22, and after the injection is completed, the carrier is formed by cooling and extrusion.
[0043] Further, in the embodiment, the metal antenna is in a grid shape, compared with the whole sheet, the grid-shaped antenna will not be completely broken when receiving external force.
[0044] Further, as shown in the embodiment, the encapsulation injection molding module comprises: a single-color injection molding machine 31, a single-color mold 32, and a second heating water temperature machine 33. Figure 1
[0045] The single-color injection molding machine 31 is connected with the drying module, receives the plastic particles output by the drying module, and the plastic particles are PC material or ABS material.
[0046] The single-color mold 32 is installed on the single-color injection molding machine 31, and the carrier after electroplating is put into the single-color mold 32 for injection encapsulation.
[0047] The second heating water temperature machine 33 is connected with the single-color mold 32 and the single-color injection molding machine 31, the second heating water temperature machine 33 heats the single-color mold 32 to a second specified temperature, the second heating water temperature machine 33 is a full-automatic mold heating water temperature machine, and the single-color mold 32 is heated to ensure that the surface temperature of the single-color mold 32 is stably at 75 DEG C.
[0048] The single-color injection molding machine 31 melts plastic particles and injects into the single-color mold 32, and after molding, the cooling forming extrusion coated carrier is completed.
[0049] Further, as shown in the embodiment, the coating injection molding module further comprises a temperature sensor 34 and a pressure sensor 35. Figure 1
[0050] The temperature sensor 34 and the pressure sensor 35 are arranged in the single-color mold 32.
[0051] The temperature sensor 34 detects the internal temperature of the single-color mold 32, ensures that the temperature of the single-color mold 32 is at 75 DEG C ± 2 DEG C, and guarantees the stability and consistency of the product.
[0052] The pressure sensor 35 detects the cavity pressure of the single-color mold 32, ensures that the internal pressure of the cavity is ≤40 MPa, and excessive cavity pressure can cause the antenna to break and displace, resulting in defects.
[0053] Working principle: The plastic particles are pre-dried, the mold and the injection molding machine are installed, and the injection molding machine is prepared for injection molding. According to the product structure, PC plastic particles are used to form a double-color plastic part, the outer surface of the formed PC plastic part is plated with a metal antenna, and the PC plastic product plated with the metal antenna is placed into the single-color mold 32 again to be injection coated with PC\ABS plastic particles to achieve the purpose of covering and protecting the antenna.
[0054] The steps are as follows:
[0055] The PC plastic particles are pre-dried by the dehumidifying dryer 1, the drying temperature is set to 120 DEG C, the drying lasts for 4 hours, and the dew point test must reach -40 DEG C before use.
[0056] The double-color mold 22 is fixedly installed on the full-computer double-color injection molding machine 21, the first heating water temperature machine 23 is used to heat the double-color mold 22, and the surface temperature of the double-color mold 22 is stably at 95 DEG C.
[0057] The screw of the double-color injection molding machine 21 is opened, the electric heating temperature is set to 285 DEG C, and the temperature fluctuation range is strictly controlled to be ≤±2 DEG C. The injection pressure of the double-color injection molding machine 21 is set to be between 85-100 MPa, and the injection speed is not greater than 65 mm / s, so as to ensure that the flatness of the product is controlled to be within 0.15 mm.
[0058] The injection molded plastic product is taken out and electroplated.
[0059] 12 5G metal antennas are electroplated on the periphery surface of the PC plastic part, the metal antennas are uniformly distributed around the product to form 12 independent small antennas, and each independent antenna has a different shape, in order that each independent antenna is not completely broken when subjected to external force, each antenna needs to be made into a grid shape and cannot be made into an integral sheet shape.
[0060] The PC plastic product with plated antennas is subjected to re-injection and encapsulation protection.
[0061] The PC / ABS plastic particles are dried in advance by a dehumidifying dryer 1, the drying temperature is set to 90 DEG C, the drying lasts for 3 hours, and the dew point test must reach -40 DEG C before use.
[0062] The single-color mold 32 is fixedly installed on the full-computer single-color injection molding machine 31, and the single-color mold 32 is heated by the second heating water temperature machine 33, so that the surface temperature of the mold is stably ensured at 75 DEG C.
[0063] The single-color injection molding machine 31 is turned on, the electric heating temperature is set to 250 DEG C, the temperature fluctuation range is strictly controlled to be ≤ ± 2 DEG C, the injection pressure of the injection molding machine is set to 40-45 MPa, and the injection speed cannot be greater than 45 mm / s.
[0064] When the product with plated antennas is placed in the single-color mold 32 and is attached to the surface of the single-color mold 32, the product with plated antennas is prevented from being scratched and bumped.
[0065] The pressure sensor 35 and the temperature sensor 34 are installed in the single-color mold 32 to detect the pressure and the temperature in the single-color mold 32 in real time, the pressure in the cavity of the single-color mold 32 is ensured to be ≤ 40 MPa, and excessive cavity pressure can cause antenna breakage and displacement and cause defects; the temperature detection ensures that the mold temperature is 75 DEG C ± 2 DEG C, so that the stability and consistency of the product are ensured.
[0066] The above, with reference to Figure 1 The in-mold injection embedding device of the 5G antenna is described, by using the high-precision injection molding machine, the high-precision mold temperature control system, the high-end drying equipment, the close cooperation of the mold internal monitoring system and the selection of the plastic particles, the characteristics of the grid-shaped antenna are fully utilized, the integrity of the 5G antenna is ensured when the 5G antenna is injection molded and encapsulated in the mold, the antenna function is protected, the antenna is protected by the plastic wrapping, the space of the communication equipment is saved, and the anti-falling performance of the equipment is ensured.
[0067] It should be noted that in the present specification, the terms "comprising", "containing" or any other variant thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements, but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without more limitations, the elements defined by the phrase "comprising" do not exclude the presence of additional identical elements in the process, method, article, or apparatus that includes the elements.
[0068] Although the content of the present application has been described in detail by the above preferred embodiments, it should be recognized that the above description should not be considered as a limitation of the present application. After reading the above content, various modifications and alternatives of the present application will be apparent to those skilled in the art. Therefore, the protection scope of the present application should be defined by the appended claims.
Claims
1. An in-mold injection molding embedded antenna device of a 5G antenna, comprising a plating device for plating a metal antenna, characterized in that, Further comprising: a drying module, which dries the plastic particles; a carrier injection molding module, which is connected with the drying module, receives the plastic particles output by the drying module, and injection molds the plastic particles into carriers; the electroplating device is connected with the carrier injection molding module, and electroplates the metal antenna on the surface of the carrier; a encapsulation injection molding module, which is connected with the drying module and the electroplating device, receives the plastic particles output by the drying module and the carriers electroplated by the electroplating device, and injection molds the plastic particles on the surface of the carrier.
2. The in-mold injection molded flush-mounting device of a 5G antenna of claim 1, wherein, The drying module comprises at least two dehumidifying dryers, which are respectively connected with the carrier injection molding module and the encapsulation injection molding module, and dry the plastic particles and output to the injection molding module and the encapsulation injection molding module.
3. The in-mold injection molded flush-mounting device of the 5G antenna of claim 1, wherein, The carrier injection molding module comprises a two-color injection molding machine, a two-color mold, and a first heating water temperature machine; The two-color injection molding machine is connected with the drying module, and receives the plastic particles output by the drying module; The two-color mold is installed on the two-color injection molding machine; The first heating water temperature machine is connected with the two-color mold and the two-color injection molding machine, and heats the two-color mold to a first specified temperature; The two-color injection molding machine melts the plastic particles and injection molds them into the two-color mold, and outputs the injection molded carriers.
4. The in-mold injection molded flush-mounting device of the 5G antenna of claim 3, wherein, The first specified temperature is 95℃.
5. The in-mold injection molded flush-mounting device of a 5G antenna of claim 1, wherein, The metal antenna is in a grid shape.
6. The in-mold injection molded flush-mounting device of a 5G antenna of claim 1, wherein, The encapsulation injection molding module comprises a single-color injection molding machine, a single-color mold, and a second heating water temperature machine; The single-color injection molding machine is connected with the drying module, and receives the plastic particles output by the drying module; The single-color mold is installed on the single-color injection molding machine, and places the carriers after electroplating; The second heating water temperature machine is connected with the single-color mold and the single-color injection molding machine, and heats the single-color mold to a second specified temperature; The single-color injection molding machine melts the plastic particles and injection molds them into the single-color mold, and outputs the encapsulated carriers.
7. The in-mold injection molded flush-mounting device of the 5G antenna of claim 6, wherein, The encapsulation injection molding module further comprises a temperature sensor and a pressure sensor; The temperature sensor and the pressure sensor are arranged in the single-color mold; The temperature sensor detects the internal temperature of the single-color mold; The pressure sensor detects the cavity pressure of the single-color mold.
8. The in-mold injection molded flush-mounting device of the 5G antenna of claim 6, wherein, The second specified temperature is 75℃.