Liquid silicone intelligent injection feeder

Abstract

The present invention discloses an intelligent liquid silicone injection feeder, comprising a frame, a control electrical box installed on the frame, two extraction devices installed on the frame for extracting glue A and glue B respectively, a hydraulic device, an injection oil cylinder and an oil motor also installed on the frame, a metering pipe with a one-way valve group inside is installed on the driving end of the injection oil cylinder, a dynamic screw mixer is installed on the driving end of the oil motor, the discharge end of the dynamic screw mixer is connected to the feed end of the metering pipe, the feed end of the dynamic screw mixer is installed with a static mixer, the feed end of the static mixer is installed with a sealing valve, one of the feed ends of the sealing valve is installed with a glue feeding three-way valve, the other feed end of the sealing valve is installed with a color paste quantitative feed valve, the glue discharge ends of the two extraction devices are respectively connected to one of the feed ends of the glue feeding three-way valve; compared with the traditional glue refining method for solid silicone, the present invention improves production efficiency and reduces labor costs.

Description

Technical Field

[0001] The present invention relates to the technical field of silicone feeders, and in particular to a liquid silicone intelligent injection feeder. Background Art

[0002] In the silicone molding industry, silicone can be divided into liquid silicone and solid silicone according to its form. Solid silicone needs to be refined with a rubber mixer before use, and color and vulcanizer need to be added during the refining process. Solid silicone has the following main disadvantages when refining: 1. It is easy to be contaminated during the refining process, and the products will have different colors or foreign matter; 2. Refining requires one person to complete, which has the disadvantages of large workload, time-consuming and labor-intensive; 3. Solid silicone also needs to be cut and weighed manually after refining, which has the disadvantage of high labor intensity; 4. Solid silicone feeding requires manual placement of the weighed rubber into the mold cavity, which has the disadvantage of high labor intensity; 5. Solid silicone molding generally requires 170-190 degrees Celsius to form, which has the disadvantage of high energy consumption; 6. Solid silicone has the disadvantage of long vulcanization time. Summary of the Invention

[0003] In response to the shortcomings of the existing technology, the present invention provides a liquid silicone intelligent injection feeder, which can extract glue A and glue B from two glue barrels respectively through two extraction devices, and at the same time add color paste in proportion through the color paste quantitative feed valve, and then complete the rubber refining through static mixing and dynamic mixing. Compared with the traditional rubber refining method of solid silicone, it improves production efficiency and reduces labor costs.

[0004] The liquid silicone intelligent injection feeder of the present invention includes a frame, a control electrical box is installed on the frame, two extraction devices for extracting glue A and glue B respectively are installed on the frame, a hydraulic device, an injection cylinder and an oil motor are also installed on the frame, the driving end of the injection cylinder is installed with a metering pipe with a one-way valve group inside, the driving end of the oil motor is installed with a dynamic screw mixer, the discharge end of the dynamic screw mixer is connected to the feed end of the metering pipe, the feed end of the dynamic screw mixer is installed with a static mixer, the feed end of the static mixer is installed with a sealing valve, one of the feed ends of the sealing valve is installed with a glue feeding three-way valve, the other feed end of the sealing valve is installed with a color paste quantitative feeding valve, the glue discharge ends of the two extraction devices are respectively connected to one of the feed ends of the glue feeding three-way valve, the injection cylinder and the oil motor are both connected to the hydraulic device, and the hydraulic device and the color paste quantitative feeding valve are both electrically connected to the control electrical box.

[0005] The liquid silicone intelligent injection feeder of the present invention, wherein each extraction device includes a pressure plate, a crossbeam, an oil cylinder, a support plate, an upper cylinder sleeve, a lower cylinder sleeve, a lifting rod and two lifting cylinders fixed to the frame, the two ends of the crossbeam are respectively fixed to the piston rod of one of the lifting cylinders, a pair of push-pull rods are fixed on the upper end surface of the pressure plate, and the upper end of the push-pull rods is fixed to the crossbeam; the oil cylinder is located below the crossbeam and is fixed to the crossbeam through a pair of connecting rods, the support plate is located below the oil cylinder and the support plate is connected to the crossbeam through a plurality of connecting rods The support rod is fixed to the outer wall of the oil cylinder; the upper end of the upper cylinder sleeve is fixed to the support plate, the lower end of the upper cylinder sleeve is fixed to the upper end of the lower cylinder sleeve, the lower end of the lower cylinder sleeve is fixed to the pressure plate, and the outer wall of the lower cylinder sleeve is sealed with the inner wall of the pressure plate. The lifting rod is passed through the upper and lower cylinder sleeves, the upper end of the lifting rod is fixed to the piston rod of the oil cylinder, and the lower end of the lifting rod is fixed with a glue feeding disc. A first sealing structure is provided between the outer peripheral wall of the lifting rod and the inner wall of the upper end of the upper cylinder sleeve. The outer peripheral wall of the lifting rod is connected to the upper and lower cylinder sleeves. The cam is connected to the valve body by a valve inlet pipe, and the valve body has a check valve inlet pipe, and the check valve inlet pipe is connected to the valve body by a valve inlet pipe.

[0006] The liquid silicone intelligent injection feeder of the present invention, wherein the first sealing structure comprises a first sealing ring embedded between the lifting rod and the inner wall of the upper end of the upper cylinder sleeve.

[0007] The liquid silicone intelligent injection feeder of the present invention, wherein the second sealing structure comprises a second sealing ring embedded in the connection between the lifting rod and the upper cylinder sleeve and the lower cylinder sleeve.

[0008] The liquid silicone intelligent injection feeder of the present invention, wherein the third sealing structure includes a third sealing ring embedded between the lifting rod and the inner wall of the lower part of the lower cylinder sleeve.

[0009] The present invention can extract glue A and glue B from two glue barrels respectively through two extraction devices, and at the same time, inject color paste in proportion through the color paste quantitative feed valve, and then complete the rubber refining through static mixing and dynamic mixing. Compared with the traditional rubber refining method of solid silicone, it has the following advantages: 1. The entire transportation process of liquid silicone is completed in a closed environment, and there is no problem of rubber contamination; 2. The present invention can automatically extract material through the extraction device; 3. The required amount of liquid silicone can be automatically measured by the metering tube; 4. When feeding, the present invention can directly eject the liquid silicone from the metering tube, and the feeding is fully automated; 5. The liquid silicone molding only requires 115-125 degrees Celsius, which can save electricity and optimize the working environment; 6. The vulcanization time of liquid silicone only requires 1 / 2-1 / 3 of the vulcanization time of solid rubber, and the product production efficiency is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0011] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0012] Figure 2 It is a schematic diagram of the three-dimensional structure of the present invention;

[0013] Figure 3 It is a schematic diagram of the three-dimensional structure of the present invention;

[0014] Figure 4 It is a schematic diagram of the three-dimensional structure of the extraction device;

[0015] Figure 5 It is a schematic diagram of the three-dimensional structure of the extraction device;

[0016] Figure 6 It is a schematic diagram of the cross-sectional structure of the pumping device;

[0017] Figure 7 It is a schematic diagram of the cross-sectional structure of the pumping device. DETAILED DESCRIPTION

[0018] The following diagrams illustrate various embodiments of the present invention. For clarity, many practical details will be included in the following description. However, it should be understood that these practical details are not intended to limit the present invention. In other words, in some embodiments of the present invention, these practical details are not essential. Furthermore, to simplify the drawings, some commonly used structures and components are depicted in a simplified schematic manner.

[0019] In addition, in the present invention, descriptions such as "first" and "second" are only used for descriptive purposes and do not specifically refer to the order or sequence, nor are they used to limit the present invention. They are only used to distinguish components or operations described with the same technical terms, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in this field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0020] The liquid silicone intelligent injection feeder of the present invention comprises a frame 1, a control electrical box 2 is installed on the frame 1, two extraction devices 3 for extracting glue A and glue B respectively are installed on the frame 1, a hydraulic device 4, an injection oil cylinder 5 and an oil motor 6 are also installed on the frame 1, a metering material pipe 51 with a one-way valve group inside is installed on the driving end of the injection oil cylinder 5, a dynamic screw mixer 61 is installed on the driving end of the oil motor 6, the discharge end of the dynamic screw mixer 61 is connected to the feed end of the metering material pipe 51, and the dynamic The feed end of the screw mixer 61 is equipped with a static mixer 62, and the feed end of the static mixer 62 is equipped with a sealing valve 63. One of the feed ends of the sealing valve 63 is equipped with a three-way glue feed valve 64, and the other feed end of the sealing valve 63 is equipped with a color paste quantitative feed valve 65. The glue discharge ends of the two pumping devices 3 are respectively connected to one of the feed ends of the glue feed three-way valve 64. The injection cylinder 5 and the oil motor 6 are both connected to the hydraulic device 4, and the hydraulic device 4 and the color paste quantitative feed valve 65 are both electrically connected to the control electrical box 2.

[0021] Each pumping device 3 includes a pressure plate 71, a crossbeam 72, a cylinder 73, a support plate 74, an upper cylinder sleeve 75, a lower cylinder sleeve 76, a lifting rod 77 and two lifting cylinders 78 fixed to the frame 1. The two ends of the crossbeam 72 are respectively fixed to the piston rod of one of the lifting cylinders 78. A pair of push-pull rods 711 are fixed to the upper end surface of the pressure plate 71, and the upper ends of the push-pull rods 711 are fixed to the crossbeam 72; the cylinder 73 is located below the crossbeam 72 and the cylinder 73 is fixed to the crossbeam 72 through a pair of connecting rods 731, the support plate 74 is located below the cylinder 73 and the support plate 74 is fixed to the outer wall of the cylinder 73 through a number of support rods 741; the upper end of the upper cylinder sleeve 75 is fixed to the support plate 74, and the lower end of the upper cylinder sleeve 75 is fixed to the lower cylinder sleeve 76. The upper end is fixed, the lower end of the lower cylinder sleeve 76 is fixed to the pressure plate 71 and the outer wall of the lower cylinder sleeve 76 is sealedly connected to the inner wall of the pressure plate 71, the lifting rod 77 is passed through the upper cylinder sleeve 75 and the lower cylinder sleeve 76, the upper end of the lifting rod 77 is fixed to the piston rod of the oil cylinder 73, the lower end of the lifting rod 77 is fixed with a glue feeding disc 79, a first sealing structure is provided between the outer peripheral wall of the lifting rod 77 and the inner wall of the upper end of the upper cylinder sleeve 75, a second sealing structure is provided at the connection between the outer peripheral wall of the lifting rod 77 and the upper cylinder sleeve 75 and the lower cylinder sleeve 76, and a third sealing structure is provided between the outer peripheral wall of the lifting rod 77 and the inner wall of the lower part of the lower cylinder sleeve 76; a first discharge port 761 and a first feed port 762 are provided on the side wall of the lower cylinder sleeve 76, and the outer wall of the lower cylinder sleeve 76 is provided with a first discharge port 761 and a first feed port 762. A first one-way valve 81 is fixed on the wall, and the inlet end of the first one-way valve 81 is connected to the first discharge port 761, and the outlet end of the first one-way valve 81 is connected to the first feed port 762; a second discharge port 763 is also provided on the side wall of the lower cylinder sleeve 76, and a third discharge port 751 and a second feed port 752 are provided on the side wall of the upper cylinder sleeve 75. The second discharge port 763 is connected to the first connecting pipe 82, and the second feed port 752 is connected to the second connecting pipe 83. A second one-way valve 84 is provided between the first connecting pipe 82 and the second connecting pipe 83, and the inlet end of the second one-way valve 84 is connected to the first connecting pipe 82, and the outlet end of the second one-way valve 84 is connected to the second connecting pipe 83. The third discharge port 751 is connected to the third The one-way valve 85 and the outlet end of the third one-way valve 85 are connected to one of the feed ends of the glue inlet three-way valve 64; the lifting cylinder 78 is connected to the hydraulic device 4, and the oil cylinders 73 in the two pumping devices 3 are connected in series and connected to the hydraulic device 4; when the pumping device is working, the lifting cylinder drives the pressure plate to press into the glue barrel, and the pressure plate presses the glue in the glue barrel. After the glue is squeezed by the pressure plate, the glue can enter the lower cylinder sleeve where the glue inlet disc is located, and then the lifting rod is driven up and down by the oil cylinder. After the lifting rod moves up and down, the lifting rod can drive the glue inlet disc to move up and down. In this way, the glue can pass through the lower cylinder sleeve, the first one-way valve, the first connecting pipe, the second one-way valve, the second connecting pipe and the third one-way valve in sequence and enter the glue inlet three-way valve.

[0022] The first sealing structure includes a first sealing ring 91 embedded between the lifting rod 77 and the inner wall of the upper end of the upper cylinder sleeve 75. By adopting this structure, the first sealing ring can reliably achieve sealing between the lifting rod and the upper cylinder sleeve.

[0023] The second sealing structure includes a second sealing ring 92 embedded in the connection between the lifting rod 77 and the upper cylinder sleeve 75 and the lower cylinder sleeve 76. By adopting this structure, the second sealing ring can reliably achieve sealing between the lifting rod and the upper cylinder sleeve and the lower cylinder sleeve.

[0024] The third sealing structure includes a third sealing ring 93 embedded between the lifting rod 77 and the inner wall of the lower part of the lower cylinder sleeve 76. By adopting this structure, the third sealing ring can reliably achieve sealing between the lifting rod and the lower cylinder sleeve.

[0025] When the present invention is working, the material extraction device extracts the rubber from the two rubber barrels respectively, and after extracting the rubber, the material extraction device conveys the rubber to the sealing valve through the rubber inlet three-way valve, and the colorant is conveyed to the sealing valve by the color paste quantitative feed valve. The mixture of the two rubbers and the colorant output by the sealing valve enters the static mixer, and the liquid silicone output by the static mixer enters the dynamic screw mixer. The liquid silicone mixed by the dynamic screw mixer enters the metering material pipe and is ejected after being driven by the injection cylinder.

[0026] The foregoing is merely an embodiment of the present invention and is not intended to limit the present invention. It will be apparent to those skilled in the art that various modifications and variations of the present invention are possible. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention are intended to be included within the scope of the claims of the present invention.

Claims

1. A liquid silicone intelligent injection feeder, comprising a frame (1), a control electrical box (2) mounted on the frame (1), and two extraction devices (3) mounted on the frame (1) for extracting glue A and glue B, respectively, characterized in that: The frame (1) is further provided with a hydraulic device (4), an injection oil cylinder (5) and an oil motor (6). A metering pipe (51) with a check valve group inside is provided at the driving end of the injection oil cylinder (5). A dynamic screw mixer (61) is provided at the driving end of the oil motor (6). The discharge end of the dynamic screw mixer (61) is communicated with the feed end of the metering pipe (51). A static mixer (62) is provided at the feed end of the dynamic screw mixer (61). The feeding end of the glue sealing valve (63) is installed, one of the feeding ends of the glue sealing valve (63) is installed with a glue feeding three-way valve (64), the other feeding end of the glue sealing valve (63) is installed with a color paste quantitative feeding valve (65), the glue discharge ends of the two pumping devices (3) are respectively connected to one of the feeding ends of the glue feeding three-way valve (64), the injection cylinder (5) and the oil motor (6) are both connected to the hydraulic device (4), and the hydraulic device (4) and the color paste quantitative feeding valve (65) are both electrically connected to the control electric box (2); Each pumping device (3) includes a pressure plate (71), a crossbeam (72), an oil cylinder (73), a support plate (74), an upper cylinder sleeve (75), a lower cylinder sleeve (76), a lifting rod (77) and two lifting cylinders (78) fixed on the frame (1), the two ends of the crossbeam (72) are respectively fixed to the piston rod of one of the lifting cylinders (78), a pair of push-pull rods (711) are fixed on the upper end surface of the pressure plate (71), and the upper end of the push-pull rod (711) is fixed to the crossbeam (72); the oil cylinder (73) is located below the crossbeam (72) and the oil cylinder (73) is fixed to the crossbeam (72) through a pair of connecting rods (731); the support plate (74) is located below the oil cylinder (73) and the support plate (7 4) is fixed to the outer wall of the oil cylinder (73) through a plurality of support rods (741); the upper end of the upper cylinder sleeve (75) is fixed to the support plate (74), the lower end of the upper cylinder sleeve (75) is fixed to the upper end of the lower cylinder sleeve (76), the lower end of the lower cylinder sleeve (76) is fixed to the pressure plate (71), and the outer wall of the lower cylinder sleeve (76) is sealed to the inner wall of the pressure plate (71); the lifting rod (77) is passed through the upper cylinder sleeve (75) and the lower cylinder sleeve (76), the upper end of the lifting rod (77) is fixed to the piston rod of the oil cylinder (73), the lower end of the lifting rod (77) is fixed with a glue feeding disc (79), and a first sealing member is provided between the outer peripheral wall of the lifting rod (77) and the inner wall of the upper end of the upper cylinder sleeve (75). The structure is characterized in that a second sealing structure is provided at the connection between the outer peripheral wall of the lifting rod (77) and the upper cylinder sleeve (75) and the lower cylinder sleeve (76); a third sealing structure is provided between the outer peripheral wall of the lifting rod (77) and the inner wall of the lower part of the lower cylinder sleeve (76); a first discharge port (761) and a first feed port (762) are provided on the side wall of the lower cylinder sleeve (76); a first one-way valve (81) is fixed on the outer wall of the lower cylinder sleeve (76); the inlet end of the first one-way valve (81) is communicated with the first discharge port (761), and the outlet end of the first one-way valve (81) is communicated with the first feed port (762); a second discharge port (763) is also provided on the side wall of the lower cylinder sleeve (76); A third discharge port (751) and a second feed port (752) are provided on the side wall of the (75), the second discharge port (763) is connected to the first connecting pipe (82), the second feed port (752) is connected to the second connecting pipe (83), a second one-way valve (84) is provided between the first connecting pipe (82) and the second connecting pipe (83), the inlet end of the second one-way valve (84) is connected to the first connecting pipe (82), the outlet end of the second one-way valve (84) is connected to the second connecting pipe (83), the third discharge port (751) is connected to the third one-way valve (85), the outlet end of the third one-way valve (85) is connected to one of the feed ends of the glue inlet three-way valve (64);The lifting cylinder (78) is connected to the hydraulic device (4), and the oil cylinders (73) in the two pumping devices (3) are connected in series and then connected to the hydraulic device (4); The first sealing structure includes a first sealing ring (91) embedded between the lifting rod (77) and the inner wall of the upper end of the upper cylinder sleeve (75); The second sealing structure includes a second sealing ring (92) embedded in the connection between the lifting rod (77) and the upper cylinder sleeve (75) and the lower cylinder sleeve (76); The third sealing structure includes a third sealing ring (93) embedded between the lifting rod (77) and the inner wall of the lower part of the lower cylinder sleeve (76).

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