Liquid silica gel mixture feeding device

Abstract

The utility model relates to the technical field of feeding devices, and discloses a liquid silica gel mixture feeding device which comprises a static mixing barrel for mixing various different liquid silica gel to form a liquid silica gel mixture and a plurality of feeding barrels for inputting the liquid silica gel into the static mixing barrel, and the feeding barrels are independently arranged; the static mixing cylinder is connected with a pressure stabilizing cylinder which is used for receiving the liquid silica gel mixture and outputting the liquid silica gel mixture to silica gel cable forming equipment in a pressure stabilizing manner; a plurality of feeding barrels are used for outputting various liquid silica gel into a static mixing barrel, the various liquid silica gel is mixed to form a liquid silica gel mixture in the flowing process of the static mixing barrel, the liquid silica gel mixture is output into a pressure stabilizing barrel, and the liquid silica gel mixture is output into silica gel line forming equipment through pressure stabilizing extrusion of the pressure stabilizing barrel; due to the fact that the liquid silica gel mixture is output in a stable-pressure mode, the feeding process is stable, and extrusion forming of the silica gel cable with the silica gel layer thickness smaller than 0.25 mm can be met.

Description

TECHNICAL FIELD

[0001] The utility model discloses a technical field of feeding device, specifically, relates to liquid silicone rubber mixture feeding device. BACKGROUND

[0002] The silicone cable is widely used in daily life, such as data line and cable etc., which includes wire core and silicone layer wrapped outside the wire core, in the manufacturing process, liquid silicone rubber mixture is extruded into silicone cable forming equipment by extrusion process, the extruded liquid silicone rubber mixture is wrapped on the wire core, and the liquid silicone rubber mixture forms the silicone layer.

[0003] With the increasing popularity of silicone cable and the diversified demand of consumer groups for silicone cable, the current extrusion process has been difficult to meet the preparation of thin silicone layer, and cannot meet the extrusion molding of the silicone cable with the thickness of the silicone layer below 0.25mm, when the thinner silicone layer needs to be formed, the liquid silicone rubber mixture feeding device has the defect of unstable feeding. UTILITY MODEL CONTENTS

[0004] The utility model discloses a liquid silicone rubber mixture feeding device, which aims to solve the problem of unstable feeding of the liquid silicone rubber mixture feeding device in the prior art.

[0005] The utility model discloses a liquid silicone rubber mixture feeding device, which aims to solve the problem of unstable feeding of the liquid silicone rubber mixture feeding device in the prior art.

[0006] Further, the static mixing cylinder is connected with two feeding cylinders, and the two feeding cylinders are arranged side by side.

[0007] Further, the feeding cylinder has a feeding cavity for accommodating liquid silicone rubber, and the feeding cavity is provided with a feeding piston for extruding and outputting the liquid silicone rubber into the static mixing cylinder.

[0008] Further, the static mixing cylinder has a mixing cavity for accommodating multiple liquid silicone rubbers, and the mixing cavity is provided with a mixing shaft arranged statically, and the mixing shaft is coaxially and extendingly arranged with the static mixing cylinder; a plurality of flow channels are formed between the mixing shaft and the inner side wall of the mixing cavity, and multiple liquid silicone rubbers are mixed to form liquid silicone rubber mixture during flowing in the flow channels.

[0009] Further, the mixing shaft has helical blades arranged in a spiral manner, the helical blades are arranged in a spiral manner along the axial direction of the mixing shaft, and a plurality of flow channels are formed between the helical blades and the inner side wall of the mixing cavity.

[0010] Further, the static mixing cylinder is provided with a three-way head, two independently arranged feeding channels are arranged in the three-way head, the two feeding channels are respectively communicated with the two feeding cylinders, a mixing channel is arranged in the three-way head, the mixing channel is respectively communicated with the two feeding channels, and the mixing channel is communicated with the static mixing cylinder.

[0011] Further, the static mixing cylinder is arranged in an upright manner, and the three-way head is arranged at the upper end of the static mixing cylinder.

[0012] Further, the lower end of the static mixing cylinder is connected with a feeding pipe, and the liquid silicone mixture in the static mixing cylinder is output to the pressure stabilizing cylinder through the feeding pipe.

[0013] Further, the pressure stabilizing cylinder has a pressure stabilizing cavity for accommodating the liquid silicone mixture, and a pressure stabilizing piston for stably extruding the liquid silicone mixture is arranged in the pressure stabilizing cavity.

[0014] Further, the pressure stabilizing cylinder is connected with a discharging pipe for outputting the liquid silicone mixture in the pressure stabilizing cylinder to the silicone cable forming equipment.

[0015] Compared with the prior art, the liquid silicone mixture feeding equipment provided by the present application uses a plurality of feeding cylinders to output a plurality of liquid silicones to the mixture, and the plurality of liquid silicones are mixed to form a liquid silicone mixture during the flow process in the static mixing cylinder. The liquid silicone mixture is output to the pressure stabilizing cylinder, and is stably extruded by the pressure stabilizing cylinder and output to the silicone cable forming equipment. Since the liquid silicone mixture is stably output, the feeding process is stable, and the silicone cable extrusion forming with a silicone layer thickness of less than 0.25 mm can be realized. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 is a simple schematic diagram of the liquid silicone mixture feeding device provided by the present application;

[0017] Fig. 2 is a sectional view of the three-way head provided by the present application. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, and are not used to limit the present application.

[0019] The implementation of the present application will be described in detail below with reference to specific embodiments.

[0020] The same or similar reference numerals in the drawings of the embodiments correspond to the same or similar components; in the description of the utility model, it is understood that if the orientation or position relationship indicated by the terms "upper", "lower", "left", "right" and the like is based on the orientation or position relationship shown in the drawings, it is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore the terms describing the position relationship in the drawings are only used for exemplary illustration, and cannot be understood as a limitation on the patent, for ordinary skilled persons in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0021] Referring to Figs. 1-2 The preferred embodiment provided by the utility model is shown in the drawings.

[0022] The liquid silicone rubber mixture feeding device comprises a static mixing cylinder 200 and a plurality of feeding cylinders 100, the static mixing cylinder 200 can mix a plurality of different liquid silicone rubbers to form a liquid silicone rubber mixture, the plurality of feeding cylinders 100 are independently arranged, and the plurality of feeding cylinders 100 input the liquid silicone rubber into the static mixing cylinder 200; the components of the liquid silicone rubber in each feeding cylinder 100 are different, the plurality of liquid silicone rubbers are output into the static mixing cylinder 200, and then mixed in the static mixing cylinder 200 to form the liquid silicone rubber mixture.

[0023] The static mixing cylinder 200 is connected with a pressure stabilizing cylinder 300 that receives the liquid silicone rubber mixture and stably outputs the liquid silicone rubber mixture to a silicone cable forming device, the liquid silicone rubber mixture in the static mixing cylinder 200 is output into the pressure stabilizing cylinder 300, and the pressure stabilizing cylinder 300 stably outputs the liquid silicone rubber mixture to the silicone cable forming device. In the silicone cable forming device, the liquid silicone rubber mixture is wrapped outside the core to form a silicone layer.

[0024] The liquid silicone rubber mixture feeding device provided above utilizes the plurality of feeding cylinders 100 to output a plurality of liquid silicone rubbers into the mixture, the plurality of liquid silicone rubbers are mixed to form the liquid silicone rubber mixture in the process of flowing in the static mixing cylinder 200, the liquid silicone rubber mixture is output into the pressure stabilizing cylinder 300, and is output to the silicone cable forming device by the pressure stabilizing extrusion of the pressure stabilizing cylinder 300; since the liquid silicone rubber mixture is stably output, the feeding process is stable, and the silicone cable extrusion forming with the thickness of the silicone layer being less than 0.25 mm can be met.

[0025] "Pressure stabilization" here refers to a stable pressure state, that is, maintaining a set pressure state, since the liquid silicone rubber mixture is realized by pressure stabilizing extrusion, the liquid silicone rubber mixture can be stably output.

[0026] In the embodiment, the static mixing barrel 200 is connected with two feeding barrels 100 described above. Of course, according to actual requirements, more than two feeding barrels 100 can be used, which is determined according to actual requirements.

[0027] In the embodiment, the two feeding barrels 100 are arranged side by side, which facilitates the arrangement of the feeding barrels 100 and facilitates the synchronous feeding of the two feeding barrels 100 into the static mixing barrel 200.

[0028] The feeding barrel 100 has a feeding cavity 101 for accommodating liquid silicone. The feeding cavity 101 is provided with a feeding piston 102 for extruding the liquid silicone out of the feeding barrel 100 and into the static mixing barrel 200. After the liquid silicone is placed in the feeding cavity 101, the feeding piston 102 is used to extrude the liquid silicone, and the liquid silicone is extruded into the static mixing barrel 200.

[0029] In the embodiment, the static mixing barrel 200 has a mixing cavity 201 for accommodating multiple types of liquid silicone. The mixing cavity 201 is provided with a mixing shaft 202 arranged statically and coaxially with the static mixing barrel 200. The mixing shaft 202 and the inner side wall of the mixing cavity 201 form multiple flow channels that are in communication with each other. During the flow of the multiple types of liquid silicone in the multiple flow channels, the multiple types of liquid silicone are mixed together to form a liquid silicone mixture.

[0030] When the multiple types of liquid silicone are placed in the mixing cavity 201, they flow along the axial direction of the static mixing barrel 200. During the flow, the multiple flow channels are in communication with each other, and the multiple types of liquid silicone are mixed together to form a liquid silicone mixture.

[0031] In the embodiment, the mixing shaft 202 has helical blades arranged helically along the axial direction of the mixing shaft 202. The helical blades and the inner side wall of the mixing cavity 201 form multiple flow channels described above.

[0032] During the flow of the multiple types of liquid silicone in the multiple flow channels, the mixing shaft 202 is static, the multiple flow channels are in communication with each other, and the multiple types of liquid silicone are mixed statically during the flow.

[0033] In the embodiment, the static mixing barrel 200 is provided with a three-way head 400. The three-way head 400 has two independently arranged feeding channels 401, and the two feeding channels 401 are respectively connected with two feeding barrels 100. The three-way head 400 has a mixing channel 402, which is respectively connected with the two feeding channels 401 and the static mixing barrel 200.

[0034] Two liquid silicones enter the mixing channel 402 through the feeding channel 401, and are preliminarily mixed in the mixing channel 402, and then enter the static mixing cylinder 200, and are secondarily mixed in the static mixing cylinder 200, so that the liquid silicone mixture is more uniformly mixed.

[0035] In the embodiment, the static mixing cylinder 200 is arranged in an upright manner, and the three-way head 400 is arranged at the upper end of the static mixing cylinder 200, so that the liquid silicone entering the static mixing cylinder 200 through the three-way head 400.

[0036] The lower end of the static mixing cylinder 200 is connected with the feeding pipe 203, the liquid silicone mixture in the static mixing cylinder 200 is output to the pressure stabilizing cylinder 300 through the feeding pipe 203, and the feeding pipe 203 is arranged at the lower end of the static mixing cylinder 200, so that the liquid silicone mixture is output to the pressure stabilizing cylinder 300 through the feeding pipe 203.

[0037] In the embodiment, the pressure stabilizing cylinder 300 has a pressure stabilizing cavity 301 for accommodating the liquid silicone mixture, and the pressure stabilizing cavity 301 is provided with a pressure stabilizing piston 302 for stably extruding the liquid silicone mixture. The pressure stabilizing piston 302 extrudes the liquid silicone mixture in a pressure stabilizing state, so that the liquid silicone mixture is stably output, thereby maintaining stable feeding.

[0038] In the embodiment, the pressure stabilizing cylinder 300 is connected with a discharging pipe 304 for outputting the liquid silicone mixture in the pressure stabilizing cylinder 300 to a silicone cable forming device, the liquid silicone mixture is stably extruded, and the stability of the liquid silicone mixture in the output process of the discharging pipe 304 is maintained, thereby realizing stable pressure stabilizing and feeding.

[0039] In the embodiment, the feeding pipe 203 penetrates through the pressure stabilizing piston 302 and is communicated to the pressure stabilizing cavity 301, so that the feeding pipe 203 outputs the liquid silicone mixture to the pressure stabilizing cavity 301. The pressure stabilizing piston 302 is connected with a pressure stabilizing motor 303, the movement of the pressure stabilizing piston 302 is controlled by the pressure stabilizing motor 303, and the output pressure of the pressure stabilizing piston 302 is controlled. Through the output control of the pressure stabilizing motor 303, the pressure stabilizing piston 302 can stably extrude the liquid silicone mixture.

[0040] The above only describes the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A liquid silicone compound feeding device, characterized by, The static mixing cylinder is connected with two feeding cylinders, and the two feeding cylinders are arranged side by side.

2. The liquid silicone gum mix feed apparatus of claim 1, wherein, The feeding cylinder has a feeding cavity for accommodating the liquid silicone, and a feeding piston is arranged in the feeding cavity to extrude the liquid silicone into the static mixing cylinder.

3. A liquid silicone mixture supply device according to claim 1 or 2, wherein The static mixing cylinder has a mixing cavity for accommodating the multiple liquid silicones, and a mixing shaft is arranged in the mixing cavity in a static manner.

4. The liquid silicone mixture supply apparatus according to claim 1 or 2, wherein The mixing shaft has helical blades arranged in a spiral manner along the axial direction of the mixing shaft.

5. The liquid silicone mixture supply apparatus according to claim 4, wherein The static mixing cylinder is provided with a three-way head having two independently arranged feeding channels corresponding to the two feeding cylinders, respectively.

6. The liquid silicone mixture supply apparatus according to claim 2, wherein The static mixing cylinder is arranged in a vertical manner, and the three-way head is arranged at the upper end of the static mixing cylinder.

7. The liquid silicone mixture supply apparatus according to claim 6, wherein The lower end of the static mixing cylinder is connected with a conveying pipe through which the liquid silicone mixture in the static mixing cylinder is output to the pressure stabilizing cylinder.

8. The liquid silicone mixture supply apparatus according to claim 1 or 2, wherein The pressure stabilizing cylinder has a pressure stabilizing cavity for accommodating the liquid silicone mixture, and a pressure stabilizing piston is arranged in the pressure stabilizing cavity to extrude the liquid silicone mixture.

9. The liquid silicone mixture supply apparatus according to claim 1 or 2, wherein The pressure stabilizing cylinder is connected with a discharging pipe for outputting the liquid silicone mixture in the pressure stabilizing cylinder to the silicone cable forming equipment.

10. The liquid silicone mixture supply apparatus according to claim 1 or 2, wherein ​

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