Injection molding mechanism and processing method

By designing an injection molding mechanism including a molding device, a material removal assembly device and a material discharge device, the problems of complex steps and slow processing speed in the existing injection molding process are solved, and automated material removal, molding, clamping positioning and assembly of the upper and lower shells are realized, and production efficiency and processing speed are improved.

CN119408068BActive Publication Date: 2025-04-08DONGGUAN TONGYI MACHINE
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Patent Information

Application Number
CN202411667101.4
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-11-21
Publication Date
2025-04-08
Estimated Expiration
2044-11-21

AI Technical Summary

Technical Problem

During the existing injection molding process, two shells need to be injection molded separately and assembled by manual or assembled machinery, resulting in complex steps and slow processing speed.

Method used

An injection molding mechanism is designed, including a molding device, a material removal assembly device and a material discharge device, and an automatic material removal, mold release, clamping positioning and assembly of the upper and lower housings is achieved using a robotic arm and a transmission module.

Benefits of technology

Fully automated operations of injection molding, injection molding, clamping positioning and assembly are realized, reducing manual intervention, improving production efficiency and processing speed, and simplifying the production process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention relates to the field of non-standard automation technology, and in particular to an injection molding mechanism and processing method. By setting a molding device, a material picking assembly device and a material discharging device, the injection molding, injection molding blanking, clamping positioning, and assembly processes can be fully automated; the intervention of human factors is reduced, the labor intensity is reduced, and the transformation and upgrading of the production line can be realized, and the production efficiency and rotation speed are improved. A first mechanical arm and a second mechanical arm are provided, which can simultaneously pick up the upper shell and the lower shell, and the upper shell and the lower shell can be assembled during the transportation and discharging process, simplifying the production process. The material picking assembly device includes a material picking module, and the material picking module integrates a product adsorption component, a nozzle shearing component, and a product clamping component to meet the production steps and reduce the volume of the material picking module; wherein the product clamping component can clamp the upper shell and the lower shell to avoid shaking during assembly and improve assembly accuracy.
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Description

Technical Field

[0001] The invention relates to the technical field of non-standard automation, and in particular to an injection molding mechanism and a processing method. Background Art

[0002] Non-standard automation, as an important branch of automation technology, refers to non-standard, highly customized automation solutions designed for specific industrial scenarios, production processes or product characteristics. Compared with traditional standardized automation equipment, this type of automation system emphasizes flexibility and adaptability, and aims to solve complex production needs that cannot be directly met by readily available standardized automation equipment on the market.

[0003] For a housing product consisting of two shells, in the existing injection molding process, the two shells need to be injection molded separately, and after the injection molding is completed, the two shells are assembled manually or by assembly mechanical equipment; the above processing method has the problems of complex steps and slow processing speed. Summary of the invention

[0004] Based on this, an object of the present invention is to provide an injection molding mechanism and a processing method.

[0005] The present invention adopts the following technical solution:

[0006] An injection molding mechanism, used for injection molding and assembly of a shell product, the shell product includes an upper shell and a lower shell relative to each other; the injection molding mechanism includes a molding device, a material taking assembly device and a material discharging device; the molding device includes a frame, a molding mold arranged in the frame, the molding mold includes a fixed mold and a movable mold that are relatively arranged and move toward each other; the fixed mold and the movable mold are matched to form a molding cavity; the molding cavity includes a nozzle groove, an upper shell molding cavity and a lower shell molding cavity; the upper shell molding cavity and the lower shell molding cavity are respectively connected to both sides of the nozzle groove; the upper shell molding cavity is used for injection molding of the upper shell, and the lower shell molding cavity is used for injection molding of the lower shell; the material taking assembly device includes an XY transmission module, a first mechanical arm and a second mechanical arm; the XY transmission module is fixed on the frame; the first mechanical arm and the second mechanical arm are both connected to the XY transmission On the module, the structures of the first robot arm and the second robot arm are consistent; the first robot arm includes a Z-axis transmission module, a horizontal rotation module, a flip module, and a material picking module connected in sequence from top to bottom; the horizontal rotation module drives the material picking module to perform horizontal rotation in the XY plane, and the flip module drives the material picking module to perform vertical flipping perpendicular to the XY plane; the material picking module includes a flip frame connected to the flip module, a product adsorption component arranged on the side of the flip frame away from the flip module, a water outlet shearing component arranged on the side of the flip frame, and a product clamping component arranged on the flip frame; the first robot arm and the second robot arm are used for demoulding the upper shell and the lower shell, and docking the upper shell with the lower shell to form the shell; the discharging device includes a device arranged on the side of the frame, and the discharging device includes a conveyor belt, and a product fixture fixed to the upper end of the conveyor belt.

[0007] Preferably, the frame includes a fixed frame and a movable frame movably connected to the inner side of the fixed frame; the fixed mold is fixed to the side of the fixed frame facing the movable frame, and the movable mold is fixed to the side of the movable frame facing the fixed frame; the movable frame moves toward the fixed frame to drive the fixed mold and the movable mold to align; the injection molding mechanism also includes an injection device, and the fixed frame and the fixed mold are provided with injection ports, one end of the injection port is connected to the molding cavity, and one end of the injection port is connected to the injection device.

[0008] Preferably, a guide rod is provided on the inner side of the fixed frame, the guide rod is horizontally arranged along the length direction of the fixed frame, and both ends of the guide rod are fixedly connected to the fixed frame; the guide rod guides the linear motion of the movable frame.

[0009] Preferably, the material picking assembly device also includes a support table fixed on the frame; the XY transmission module includes an X-axis transmission module fixed on the support table and a Y-axis transmission module arranged on the X-axis transmission module; the X-axis transmission module includes an X-axis guide rail fixed on the support table, a first slider slidably connected to the X-axis guide rail, and a first driving element; the first driving element drives the first slider to slide along the X-axis guide rail; the Y-axis transmission module is fixed on the first slider; the Y-axis transmission module includes a movable seat fixed on the first slider, a Y-axis guide rail fixed on the movable seat, and a second driving element; the first robotic arm and the second robotic arm are both provided with a second slider on the side facing the Y-axis transmission module, the second slider is slidably connected to the Y-axis guide rail, and the second driving element drives the second slider to slide along the Y-axis guide rail.

[0010] Preferably, the Z-axis transmission module includes a connecting frame fixed on the second sliding block, a Z-axis guide rail fixed on the connecting frame, and a lifting seat slidably connected to the Z-axis guide rail; the horizontal rotation module includes a rotating cylinder fixed to the lower end of the lifting seat, and a rotating plate drivingly connected to the lower end of the rotating cylinder; the flipping module includes a flipping cylinder fixed to the lower end of the rotating plate; and the material picking module is fixed to the flipping end of the flipping cylinder.

[0011] Preferably, the product adsorption assembly includes a movable rod, a buffer spring sleeved on the outside of the movable rod, and a material picking suction cup arranged at one end of the movable rod; the end of the movable rod facing away from the material picking suction cup passes through the flip frame; one end of the buffer spring is connected to the bottom of the flip frame, and the other end of the buffer spring is connected to the material picking suction cup; the material picking suction cup is used to adsorb the upper shell and the lower shell.

[0012] Preferably, the water outlet cutting assembly includes a connecting plate and pneumatic scissors; the connecting plate is an L-shaped structure, one end of the connecting plate is connected to the turning frame, and the pneumatic scissors are fixed to the side of the connecting plate and arranged vertically to the turning frame; the pneumatic scissors are used to cut the water outlet.

[0013] Preferably, the product clamping assembly includes two product clamping elements relatively arranged on the flip frame; the product clamping element includes a telescopic cylinder and a clamping piece, the telescopic cylinder is arranged on the flip frame, the clamping piece is connected to the transmission end of the telescopic cylinder, and the clamping piece is arranged on both sides of the product adsorption assembly; the two clamping pieces move relative to each other to clamp the upper shell and the lower shell.

[0014] Preferably, positioning holes are provided on the sides of the upper shell and the lower shell; the clamping member includes a connecting arm and a clamping portion fixed to one end of the connecting arm, and the clamping portion is provided on both sides of the product adsorption assembly; the clamping portion is a U-shaped structure, and a positioning shaft is provided at one end of the clamping portion facing the product adsorption assembly, and the positioning shaft is used to cooperate with the positioning hole.

[0015] A processing method includes the above-mentioned injection molding mechanism; the processing method includes the following steps:

[0016] Step S1, injection molding: the fixed mold and the movable mold are closed to perform injection molding on the molding cavity;

[0017] Step S2, injection molding and blanking: after the upper shell and the lower shell are formed, the fixed mold and the movable mold are separated, and the upper shell and the lower shell are kept on the fixed mold; the first mechanical arm and the second mechanical arm move and align the upper shell and the lower shell respectively; the product adsorption component adsorbs the upper shell and the lower shell, and the nozzle shearing component shears the nozzle; after shearing the nozzle, the first mechanical arm and the second mechanical arm grab the upper shell and the lower shell, and take them away from the fixed mold;

[0018] Step S3, clamping and positioning: the product clamping assembly of the first mechanical arm clamps the upper shell; the product clamping assembly of the second mechanical arm clamps the lower shell;

[0019] Step S4, assembly: under the action of the horizontal rotation module, the material taking modules of the first robot arm and the second robot arm are at the same horizontal and relative positions; under the action of the XY transmission module, the material taking modules of the first robot arm and the second robot arm move relative to each other, so that the upper shell and the lower shell are assembled into a finished shell; after the assembly is completed, the product clamping assembly of the second robot arm is released;

[0020] Step S5, finished product discharge: under the action of the XY transmission module, the first robot arm moves to the top of the product fixture; the lifting module drives the finished shell to move down into the product fixture.

[0021] The beneficial effects of the present invention are:

[0022] The injection molding mechanism involved in the present invention can fully automate the processes of injection molding, injection blanking, clamping and positioning, and assembly by providing a molding device, a material taking assembly device, and a material discharging device; it can reduce the intervention of human factors, reduce labor intensity, realize the transformation and upgrading of the production line, and improve production efficiency and rotation speed. A first mechanical arm and a second mechanical arm are provided, which can simultaneously take materials from the upper shell and the lower shell, and can assemble the upper shell and the lower shell during the transportation and discharging process, thereby simplifying the production process. For the above operations, the material taking assembly device includes a material taking module, and the material taking module integrates a product adsorption component, a nozzle shearing component, and a product clamping component, which can perform adsorption demoulding, nozzle shearing, and clamping and positioning of the product; it meets the production steps and reduces the volume of the material taking module at the same time; wherein the product clamping component can clamp the upper shell and the lower shell to avoid shaking during assembly and improve assembly accuracy.

[0023] It also includes an XY transmission module, a Z-axis transmission module, a horizontal rotation module, and a flip module; it can realize horizontal translation, vertical lifting, horizontal rotation, and vertical flipping; it can adjust the position and action sequence according to the predetermined production plan to meet the complex and diverse production and processing environment.

[0024] The processing method of the injection molding mechanism adopts four steps: injection molding, injection molding blanking, clamping positioning, and assembly; the upper shell and the lower shell are injected, and demoulding and assembly are performed; the subsequent production process is simplified, and the assembly accuracy of the product can be guaranteed, thereby ensuring the product quality. In addition, it can also be applied to the injection molding and assembly of products of different shapes, with high adaptability to meet market requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of the injection molding mechanism of the present invention;

[0026] Figure 2 for Figure 1 A structural schematic diagram of the injection molding mechanism from another angle;

[0027] Figure 3 for Figure 1 A top view of the injection molding mechanism in FIG.

[0028] Figure 4 for Figure 1 The schematic diagram of the structure of the injection molding machine with the local structure hidden;

[0029] Figure 5 for Figure 4 A structural schematic diagram of the injection molding mechanism from another angle;

[0030] Figure 6 for Figure 4The schematic diagram of the structure of the injection molding mechanism after the molding mold is hidden;

[0031] Figure 7 for Figure 6 A structural schematic diagram of the injection molding mechanism from another angle;

[0032] Figure 8 for Figure 1 A schematic diagram of the structure of the first robotic arm or the second robotic arm;

[0033] Fig. 9 for Figure 8 A schematic diagram of the structure of the material taking module in FIG.

[0034] Fig.10 for Fig. 9 A schematic structural diagram of the material taking module from another angle;

[0035] Fig.11 This is a schematic structural diagram of a housing obtained by injection molding according to the present invention;

[0036] Fig.12 The figure is a schematic diagram of the structure of the assembled shell of the present invention.

[0037] Numbers in the figure:

[0038] 10- finished shell; 101- upper shell; 102- lower shell; 103- water inlet; 104- positioning hole;

[0039] 1-molding device; 11-frame; 111-fixed frame; 112-movable frame; 113-guide rod; 12-molding mold; 121-fixed mold; 122-movable mold; 123-molding cavity; 1231-gate groove; 1232-upper shell molding cavity; 1233-lower shell molding cavity; 13-injection device; 2-material picking assembly device; 21-XY transmission module; 211-X axis transmission module; 2111-X axis guide rail; 2112-first slider; 2113-first driving element; 212-Y axis transmission module; 2121-movable seat; 2122-Y axis guide rail; 2123-second driving element; 22-first mechanical arm; 23-second mechanical arm; 24-Z axis transmission module; 241-connecting frame; 242-Z-axis guide rail; 243-lifting seat; 25-horizontal rotation module; 251-rotating cylinder; 252-rotating plate; 26-turning module; 261-turning cylinder; 27-feeding module; 271-turning frame; 272-product adsorption assembly; 2721-movable rod; 2722-buffer spring; 2723-feeding suction cup; 273-gate shearing assembly; 2731-connecting plate; 2732-pneumatic scissors; 274-product clamping assembly; 2741-telescopic cylinder; 2742-clamping piece; 2743-connecting arm; 2744-clamping part; 2745-positioning shaft; 28-support table; 3-discharging device; 31-conveyor belt; 32-product fixture. DETAILED DESCRIPTION

[0040] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0041] In the description of the present invention, it should be noted that the terms "vertical direction", "up", "down", "horizontal", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, "first", "second", "third", and "fourth" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0042] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, it can be a mechanical connection, it can be an electrical connection, it can be a direct connection, it can be connected through an intermediate medium, and it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0043] As shown in Figure 1 to Figure 2, an embodiment of the present invention relates to an injection molding mechanism for injection molding and assembly of a housing. As shown in the figure, the housing comprises an upper housing 101 and a lower housing 102 that are opposite to each other.

[0044] The injection molding mechanism includes a molding device 1, a material taking assembly device 2 and a material discharging device 3; the molding device 1 includes a frame 11, a molding mold 12 arranged in the frame 11, and the molding mold 12 includes a fixed mold 121 and a movable mold 122 that are relatively arranged and move toward each other; the fixed mold 121 and the movable mold 122 are matched to form a molding cavity 123; the molding cavity 123 includes a nozzle groove 1231, an upper shell molding cavity 123 and a lower shell molding cavity 123; the upper shell molding cavity 123 and the lower shell molding cavity 123 3 are respectively connected to both sides of the nozzle groove 1231; the upper shell molding cavity 123 is used for injection molding of the upper shell 101, and the lower shell molding cavity 123 is used for injection molding of the lower shell 102; the material picking assembly device 2 includes an XY transmission module 21, a first mechanical arm 22 and a second mechanical arm 23; the XY transmission module 21 is fixed to the frame 11; the first mechanical arm 22 and the second mechanical arm 23 are both connected to the XY transmission module 21, and the first mechanical arm 22 and the second mechanical arm 23 are connected to the XY transmission module 21. The structure of the arm 23 is consistent; the first mechanical arm 22 includes a Z-axis transmission module 24, a horizontal rotation module 25, a flip module 26, and a material picking module 27 connected in sequence from top to bottom; the horizontal rotation module 25 drives the material picking module 27 to perform horizontal rotation in the XY plane, and the flip module 26 drives the material picking module 27 to perform vertical flipping perpendicular to the XY plane; the material picking module 27 includes a flip frame 271 connected to the flip module 26, and a flip frame 271 provided on the side of the flip frame 271 away from the flip module 26. A product adsorption component 272, a water inlet shearing component 273 arranged on the side of the turning frame 271, and a product clamping component 274 arranged on the turning frame 271; the first robotic arm 22 and the second robotic arm 23 are used for demolding the upper shell 101 and the lower shell 102, and docking the upper shell 101 and the lower shell 102 to form the shell; the discharging device 3 includes a device arranged on the side of the frame 11, and the discharging device 3 includes a conveyor belt 31, and a product fixture 32 fixed to the upper end of the conveyor belt 31.

[0045] During processing, the movable mold 122 is driven to move toward the fixed mold 121, so that the movable mold 122 and the fixed mold 121 are aligned and form a molding cavity 123. Injection molding is performed in the molding cavity 123, and the upper shell 101 is formed in the upper shell molding cavity 123, and the lower shell 102 is formed in the lower shell molding cavity 123. At this time, an injection molded product as shown in the figure can be obtained, and the injection molded product includes a sprue 103 and an upper shell 101 and a lower shell 102 connected to both sides of the sprue 103. After the injection molding is completed, the movable mold 122 is separated from the fixed mold 121, and the injection molded product remains on the fixed mold 121. Under the transmission action of the XY transmission module 21, the first mechanical arm 22 adjusts its position and aligns with the upper shell 101; under the coordinated transmission action of the Z-axis transmission module 24, the horizontal rotation module 25, and the flip module 26, the material taking module 27 of the first mechanical arm 22 is aligned with the upper shell 101; then the product adsorption component 272 adsorbs the upper shell 101, and at the same time, the nozzle shearing component 273 shears the connection between the upper shell 101 and the nozzle 103; then the XY transmission module 21 drives the first mechanical arm 22 away from the fixed mold 121 to complete the injection molding of the upper shell 101. At the same time, according to the above steps, the second mechanical arm 23 shears the nozzle 103 of the lower shell 102 and demolds it. After the demoulding of the upper shell 101 and the lower shell 102 is completed, the product clamping assembly 274 of the first mechanical arm 22 clamps the upper shell 101, and the product clamping assembly 274 of the second mechanical arm 23 clamps the lower shell 102 to avoid shaking in the subsequent assembly process, thereby affecting the assembly quality. After clamping, the horizontal rotation module 25 drives the material taking module 27 of the first mechanical arm 22 and the material taking module 27 of the second mechanical arm 23 to be in a relative position, that is, the upper shell 101 is opposite to the lower shell 102. Under the transmission action of the XY transmission module 21, the first mechanical arm 22 and the second mechanical arm 23 are close to each other, so that the upper shell 101 and the lower shell 102 are docked with each other, so that the upper shell 101 and the lower shell 102 are assembled into the shell product 10.

[0046] Through the above mechanical movement, the processes of injection molding, injection blanking, clamping positioning and assembly can be seamlessly completed to directly obtain the finished shell product 10; the entire process is implemented using automated equipment to reduce manual intervention, which can reduce processing and assembly errors and improve processing speed and efficiency.

[0047] The frame 11 includes a fixed frame 111 and a movable frame 112 movably connected to the inner side of the fixed frame 111; the fixed mold 121 is fixed to the side of the fixed frame 111 facing the movable frame 112, and the movable mold 122 is fixed to the side of the movable frame 112 facing the fixed frame 111; the movable frame 112 moves toward the fixed frame 111 to drive the fixed mold 121 and the movable mold 122 to mate; the fixed mold 121 and the movable mold 122 are mated and separated through the relative movement of the fixed frame 111 and the movable frame 112; at the same time, the frame 11 is arranged to provide support for the XY transmission module 21 and other mechanisms to ensure overall stability. A guide rod 113 is also provided inside the fixed frame 111. The guide rod 113 is horizontally arranged along the length direction of the fixed frame 111. Both ends of the guide rod 113 are fixedly connected to the fixed frame 111. The guide rod 113 guides the linear motion of the movable frame 112, improves the motion stability of the movable frame 112, and ensures that the movable mold 122 and the fixed mold 121 can be aligned and matched. The injection molding mechanism also includes an injection device 13. The fixed frame 111 and the fixed mold 121 are penetrated with an injection port. One end of the injection port is connected to the molding cavity 123, and one end of the injection port is connected to the injection device 13. The injection device 13 is used to plasticize plastic at high temperature and inject it into the molding cavity 123 through the injection port under pressure to perform injection molding.

[0048] The material picking assembly device 2 also includes a support table 28 fixed on the frame 11; the XY transmission module 21 includes an X-axis transmission module 211 fixed on the support table 28 and a Y-axis transmission module 212 arranged on the X-axis transmission module 211; the X-axis transmission module 211 includes an X-axis guide rail 2111 fixed on the support table 28, a first slider 2112 slidably connected to the X-axis guide rail 2111, and a first driving element 2113; the first driving element 2113 drives the first slider 2112 to slide along the X-axis guide rail 2111; in this embodiment, the first driving element 2113 adopts a rotating motor and a transmission belt to meet the requirements of large-stroke movement. The Y-axis transmission module 212 is fixed on the first slider 2112; the Y-axis transmission module 212 includes a movable seat 2121 fixed on the first slider 2112, a Y-axis guide rail 2122 fixed on the movable seat 2121, and a second driving element 2123; the first mechanical arm 22 and the second mechanical arm 23 are both provided with a second slider on the side facing the Y-axis transmission module 212, the second slider is slidably connected to the Y-axis guide rail 2122, and the second driving element 2123 drives the second slider to slide along the Y-axis guide rail 2122; in this embodiment, the second driving element 2123 adopts a rotating motor installed on the rear side of the first mechanical arm 22 and the second mechanical arm 23 and a driving rack installed on the movable seat 2121, and the driving end of the rotating motor is connected to a transmission gear, which is meshed with the driving rack. Through the above transmission structure, the first mechanical arm 22 and the second mechanical arm 23 are driven to move in the XY horizontal plane.

[0049] The Z-axis transmission module 24 includes a connecting frame 241 fixed on the second slider, a Z-axis guide rail 242 fixed on the connecting frame 241, and a lifting seat 243 slidably connected to the Z-axis guide rail 242. The lifting seat 243 is driven by a motor to move up and down along the Z-axis guide rail 242 to realize the vertical lifting of the material taking module 27 on the Z axis. The horizontal rotation module 25 includes a rotating cylinder 251 fixed to the lower end of the lifting seat 243 and a rotating plate 252 drivingly connected to the lower end of the rotating cylinder 251. The rotating cylinder 251 drives the rotating plate 252 to rotate to realize the rotation of the material taking module 27 in the XY horizontal plane. The flip module 26 includes a flip cylinder 261 fixed to the lower end of the rotating plate 252; the material taking module 27 is fixed to the flip end of the flip cylinder 261. Through the coordinated work of the Z-axis transmission module 24, the horizontal rotation module 25, and the flip module 26, the position of the material taking module 27 can be flexibly adjusted to meet the complex and diverse processing environment. In this embodiment, the upper shell 101 and the lower shell 102 are assembled by horizontal docking, but due to the provision of a horizontal rotation module 25 and a flip module 26, an upper and lower vertical docking assembly method can also be adopted, and adaptability can be adjusted according to different products.

[0050] The product adsorption assembly 272 includes a movable rod 2721, a buffer spring 2722 sleeved on the outside of the movable rod 2721, and a material-collecting suction cup 2723 provided at one end of the movable rod 2721; the end of the movable rod 2721 away from the material-collecting suction cup 2723 passes through the flip frame 271 and is connected to the air pump through an air pipe, and the air pump is controlled to pump air, which can create negative pressure in the material-collecting suction cup 2723, so as to facilitate the adsorption of the upper shell 101 or the lower shell 102. One end of the buffer spring 2722 is connected to the bottom of the flip frame 271, and the other end of the buffer spring 2722 is connected to the material-collecting suction cup 2723; the buffer spring 2722 is provided so that the contact between the material-collecting suction cup 2723 and the upper shell 101 or the lower shell 102 is flexible contact, so as to better perform adsorption.

[0051] The nozzle shearing assembly 273 includes a connecting plate 2731 and a pneumatic scissors 2732; the connecting plate 2731 is an L-shaped structure, one end of the connecting plate 2731 is connected to the turning frame 271, and the pneumatic scissors 2732 are fixed to the side of the connecting plate 2731 and are arranged vertically with the turning frame 271; the pneumatic scissors 2732 are used to shear the nozzle 103. As shown in the figure, since the nozzle 103 is arranged between the upper shell 101 and the lower shell 102, the pneumatic scissors 2732 are arranged on the side of the turning frame 271 to facilitate the shearing of the nozzle 103; and the pneumatic scissors 2732 of the first mechanical arm 22 and the second mechanical arm 23 are arranged opposite to each other.

[0052] The product clamping assembly 274 includes two product clamping elements relatively arranged on the flip frame 271; the product clamping elements include a telescopic cylinder 2741 and a clamping piece 2742, the telescopic cylinder 2741 is arranged on the flip frame 271, the clamping piece 2742 is connected to the transmission end of the telescopic cylinder 2741, and the clamping piece 2742 is arranged on both sides of the product adsorption assembly 272; the two clamping pieces 2742 move relative to each other to clamp the upper shell 101 and the lower shell 102. The sides of the upper shell 101 and the lower shell 102 are both provided with positioning holes 104; the clamping member 2742 includes a connecting arm 2743 and a clamping portion 2744 fixed to one end of the connecting arm 2743, and the clamping portion 2744 is provided on both sides of the product adsorption assembly 272; the clamping portion 2744 is a U-shaped structure, and a positioning shaft 2745 is provided at one end of the clamping portion 2744 facing the product adsorption assembly 272, and the positioning shaft 2745 is used to cooperate with the positioning hole 104. As shown in the figure, when clamping and positioning, the positioning shaft 2745 is inserted into the positioning hole 104, and the clamping portion 2744 is a U-shaped structure, which can resist the two sides of the upper shell 101 and the lower shell 102, thereby realizing the positioning of the upper shell 101 and the lower shell 102 in three directions of the XYZ axis.

[0053] In addition, the present invention also provides a processing method, which uses the above-mentioned injection molding mechanism. The above-mentioned processing method specifically includes the following steps:

[0054] Step S1, injection molding: the fixed mold 121 and the movable mold 122 are molded together to perform injection molding on the molding cavity 123;

[0055] Step S2, injection molding and blanking: after the upper shell 101 and the lower shell 102 are formed, the fixed mold 121 and the movable mold 122 are separated, and the upper shell 101 and the lower shell 102 are kept on the fixed mold 121; the first mechanical arm 22 and the second mechanical arm 23 move and align the upper shell 101 and the lower shell 102 respectively; the product adsorption component 272 adsorbs the upper shell 101 and the lower shell 102, and the nozzle shearing component 273 shears the nozzle 103; after shearing the nozzle 103, the first mechanical arm 22 and the second mechanical arm 23 grab the upper shell 101 and the lower shell 102, and take them away from the fixed mold 121;

[0056] Step S3, clamping and positioning: the product clamping assembly 274 of the first mechanical arm 22 clamps the upper shell 101; the product clamping assembly 274 of the second mechanical arm 23 clamps the lower shell 102;

[0057] Step S4, assembly: under the action of the horizontal rotation module 25, the first mechanical arm 22 and the material taking module 27 of the second mechanical arm 23 are at the same level and relative to each other; under the action of the XY transmission module 21, the first mechanical arm 22 and the material taking module 27 of the second mechanical arm 23 move relative to each other, so that the upper shell 101 and the lower shell 102 are assembled into the shell product 10; after the assembly is completed, the product clamping assembly 274 of the second mechanical arm 23 is released;

[0058] Step S5, finished product discharge: under the action of the XY transmission module 21, the first mechanical arm 22 moves to the top of the product fixture 32; the lifting module drives the shell product 10 to move down into the product fixture 32.

[0059] Compared with the prior art, the injection molding mechanism of the present invention can fully automate the injection molding, injection molding unloading, clamping positioning, and assembly processes by providing a molding device 1, a material collection and assembly device 2, and a material discharging device 3; it can reduce the intervention of human factors, reduce labor intensity, and realize the transformation and upgrading of the production line, thereby improving production efficiency and rotation speed. A first mechanical arm 22 and a second mechanical arm 23 are provided, which can simultaneously collect materials from the upper shell 101 and the lower shell 102, and can assemble the upper shell 101 and the lower shell 102 during the transportation and discharging process, thereby simplifying the production process. For the above operations, the material picking assembly device 2 includes a material picking module 27, and the material picking module 27 integrates a product adsorption component 272, a water outlet shearing component 273, and a product clamping component 274, which can perform adsorption demolding, shear the water outlet 103, and clamp and position the product; meet the production steps, and at the same time reduce the volume of the material picking module 27; wherein the product clamping component 274 can clamp the upper shell 101 and the lower shell 102 to avoid shaking during assembly and improve assembly accuracy.

[0060] It also includes an XY transmission module 21, a Z-axis transmission module 24, a horizontal rotation module 25, and a flip module 26; it can realize horizontal translation, vertical lifting, horizontal rotation, and vertical flipping; it can adjust the position and action sequence according to the predetermined production plan to meet the complex and diverse production and processing environment.

[0061] The processing method of the injection molding mechanism adopts four steps: injection molding, injection molding blanking, clamping positioning, and assembly; the upper shell 101 and the lower shell 102 are injection molded, and demoulding and assembly are performed; the subsequent production process is simplified, and the assembly accuracy of the product can be guaranteed, thereby ensuring the product quality. In addition, it can also be applied to the injection molding and matching assembly of products of different shapes, with high adaptability, meeting market requirements.

[0062] The above only expresses the preferred technical solution of the present invention, and its description is relatively specific and detailed, but it cannot be understood as limiting the scope of the invention patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the present invention, and the present invention is also intended to include these modifications and modifications.

Claims

1. An injection molding mechanism for housing injection molding assembly, characterized in that: The housing comprises an upper housing and a lower housing relative to each other; The injection molding mechanism includes a molding device, a material taking and assembling device, and a material discharging device; The molding device comprises a frame, a molding die arranged in the frame, the molding die comprises a fixed die and a movable die which are arranged relatively and move toward each other; the fixed die and the movable die are matched to form a molding cavity; the molding cavity comprises a nozzle groove, an upper shell molding cavity and a lower shell molding cavity; the upper shell molding cavity and the lower shell molding cavity are respectively connected to two sides of the nozzle groove; the upper shell molding cavity is used for injection molding of the upper shell, and the lower shell molding cavity is used for injection molding of the lower shell; The material picking assembly device includes an XY transmission module, a first mechanical arm and a second mechanical arm; the XY transmission module is fixed on the frame; the first mechanical arm and the second mechanical arm are both connected to the XY transmission module, and the structures of the first mechanical arm and the second mechanical arm are consistent; the first mechanical arm includes a Z-axis transmission module, a horizontal rotation module, a flip module, and a material picking module connected in sequence from top to bottom; the horizontal rotation module drives the material picking module to perform horizontal rotation in the XY plane, and the flip module drives the material picking module to perform vertical flipping perpendicular to the XY plane; the material picking module includes a flip frame connected to the flip module, a product adsorption component provided on the side of the flip frame away from the flip module, a water inlet shearing component provided on the side of the flip frame, and a product clamping component provided on the flip frame; the first mechanical arm and the second mechanical arm are used for demoulding the upper shell and the lower shell, and docking the upper shell with the lower shell to form the shell; The discharging device is arranged on the side of the frame, and the discharging device includes a conveyor belt and a product fixture fixed on the upper end of the conveyor belt.

2. The injection molding mechanism according to claim 1, characterized in that: The frame includes a fixed frame and a movable frame movably connected to the inner side of the fixed frame; the fixed mold is fixed to a side of the fixed frame facing the movable frame, and the movable mold is fixed to a side of the movable frame facing the fixed frame; the movable frame moves toward the fixed frame to drive the fixed mold to mate with the movable mold; The injection molding mechanism also includes an injection device. The fixed frame and the fixed mold are penetrated with an injection port, one end of the injection port is communicated with the molding cavity, and one end of the injection port is communicated with the injection device.

3. The injection molding mechanism according to claim 2, characterized in that: A guide rod is provided inside the fixed frame. The guide rod is horizontally arranged along the length direction of the fixed frame. Both ends of the guide rod are fixedly connected to the fixed frame. The guide rod guides the linear motion of the movable frame.

4. The injection molding mechanism according to claim 1, characterized in that: The material picking assembly device also includes a support table fixed on the frame; the XY transmission module includes an X-axis transmission module fixed to the support table and a Y-axis transmission module arranged on the X-axis transmission module; The X-axis transmission module comprises an X-axis guide rail fixed on the support platform, a first slider slidably connected to the X-axis guide rail, and a first driving element; the first driving element drives the first slider to slide along the X-axis guide rail; the Y-axis transmission module is fixed on the first slider; The Y-axis transmission module includes a movable seat fixed on the first slider, a Y-axis guide rail fixed on the movable seat, and a second driving element; the first robotic arm and the second robotic arm are both provided with a second slider on the side facing the Y-axis transmission module, the second slider is slidably connected to the Y-axis guide rail, and the second driving element drives the second slider to slide along the Y-axis guide rail.

5. The injection molding mechanism according to claim 4, characterized in that: The Z-axis transmission module includes a connecting frame fixed on the second sliding block, a Z-axis guide rail fixed on the connecting frame, and a lifting seat slidably connected to the Z-axis guide rail; the horizontal rotation module includes a rotating cylinder fixed to the lower end of the lifting seat, and a rotating plate drivingly connected to the lower end of the rotating cylinder; the flip module includes a flip cylinder fixed to the lower end of the rotating plate; and the material picking module is fixed to the flip end of the flip cylinder.

6. The injection molding mechanism according to claim 1, characterized in that: The product adsorption assembly includes a movable rod, a buffer spring sleeved on the outside of the movable rod, and a material picking suction cup arranged at one end of the movable rod; the end of the movable rod facing away from the material picking suction cup passes through the flip frame; one end of the buffer spring is connected to the bottom of the flip frame, and the other end of the buffer spring is connected to the material picking suction cup; the material picking suction cup is used to adsorb the upper shell and the lower shell.

7. The injection molding mechanism according to claim 1, characterized in that: The water inlet cutting assembly includes a connecting plate and pneumatic scissors; the connecting plate is an L-shaped structure, one end of the connecting plate is connected to the turning frame, and the pneumatic scissors are fixed to the side of the connecting plate and arranged vertically to the turning frame; the pneumatic scissors are used to cut the water inlet.

8. The injection molding mechanism according to claim 1, characterized in that: The product clamping assembly includes two product clamping elements relatively arranged on the flip frame; the product clamping element includes a telescopic cylinder and a clamping piece, the telescopic cylinder is arranged on the flip frame, the clamping piece is connected to the transmission end of the telescopic cylinder, and the clamping piece is arranged on both sides of the product adsorption assembly; the two clamping pieces move relative to each other to clamp the upper shell and the lower shell.

9. The injection molding mechanism according to claim 8, characterized in that: Positioning holes are provided on the sides of the upper shell and the lower shell; the clamping member includes a connecting arm and a clamping portion fixed to one end of the connecting arm, and the clamping portion is provided on both sides of the product adsorption component; the clamping portion is a U-shaped structure, and a positioning shaft is provided at one end of the clamping portion facing the product adsorption component, and the positioning shaft is used to cooperate with the positioning hole.

10. A processing method, characterized in that: An injection molding mechanism comprising any one of claims 1 to 9; The processing method comprises the following steps: Step S1, injection molding: the fixed mold and the movable mold are closed to perform injection molding on the molding cavity; Step S2, injection molding and blanking: after the upper shell and the lower shell are formed, the fixed mold and the movable mold are separated, and the upper shell and the lower shell are kept on the fixed mold; the first mechanical arm and the second mechanical arm move and align the upper shell and the lower shell respectively; the product adsorption component adsorbs the upper shell and the lower shell, and the nozzle shearing component shears the nozzle; after shearing the nozzle, the first mechanical arm and the second mechanical arm grab the upper shell and the lower shell, and take them away from the fixed mold; Step S3, clamping and positioning: the product clamping assembly of the first mechanical arm clamps the upper shell; the product clamping assembly of the second mechanical arm clamps the lower shell; Step S4, assembly: under the action of the horizontal rotation module, the material taking modules of the first robot arm and the second robot arm are at the same horizontal and relative positions; under the action of the XY transmission module, the material taking modules of the first robot arm and the second robot arm move relative to each other, so that the upper shell and the lower shell are assembled into a finished shell; after the assembly is completed, the product clamping assembly of the second robot arm is released; Step S5, finished product discharge: under the action of the XY transmission module, the first robot arm moves to the top of the product fixture; the lifting module drives the finished shell to move down into the product fixture.

Citation Information

Patent Citations

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