Silicone adhesive feeding system

Abstract

The utility model discloses a silicone adhesive feeding system, and relates to the technical field of silicone adhesive production equipment. A silicone adhesive feeding system comprises a main body frame, a feeding mechanism, a mixing mechanism and a discharging mechanism, the feeding mechanism comprises a plurality of storage assemblies and corresponding metering and conveying assemblies, the mixing mechanism comprises a mixing tank body erected over the discharging mechanism, the storage mechanisms are communicated with the mixing tank body through the metering mechanism, and the discharging mechanism is communicated with the mixing tank body through the metering mechanism. And the mixing tank body is communicated with the discharging mechanism. Through mutual cooperation of the feeding mechanism, the mixing mechanism, the discharging mechanism and other mechanisms, the whole production feeding process of silicone adhesive is directly integrated into the same equipment system, mixing equipment does not need to be replaced for multiple times in the midway, and due to the fact that the whole production feeding process is in the same system, the mixing metering error can be effectively reduced, and the production efficiency is improved. And the continuity of production feeding is improved, and the production feeding efficiency and the feeding quality are further ensured.

Description

Technical Field

[0001] The utility model relates to the field of silicone sealant production equipment, in particular to a silicone sealant feeding system. Background Art

[0002] Under the trend of prefabrication, high-rise, high-grade interior and exterior decoration and fitment of the building industry, as well as the extensive adoption of large-frame hanging panel structures, the building industry has higher and higher requirements for the aging resistance and bonding performance of sealing materials. Due to the advantages of weather aging resistance, water erosion resistance, excellent glass adhesion, etc., silicone sealants are gradually widely used in decoration, waterproof projects, glass installation, curtain wall structure bonding and other aspects.

[0003] At present, most of the production feeding processes of silicone sealants still adopt the method of batch mixing treatment, that is, first measure and mix the main raw materials, then obtain the primary rubber material after dehydration and degassing, then transfer the primary rubber material to other equipment, and then mix it with curing agents, fillers and other additives for a second time, and then obtain the mixed rubber material after secondary dehydration and degassing. Finally, the mixed rubber material is transferred to another extrusion equipment again to realize production feeding.

[0004] However, this production feeding method of batch mixing treatment has poor production continuity and low production efficiency. In the process of continuously transferring equipment, not only is it easy for the dehydrated primary rubber material to get wet again, but also it is easy to leave some primary rubber material during the transfer process, thus causing a large measurement error in the subsequent mixing, and finally leading to various problems such as uneven mixing of the mixed rubber material and a large deviation between the bonding effect and the prediction. Summary of the Utility Model

[0005] In order to improve the production feeding method of silicone sealants and improve the production continuity of silicone sealants, this application provides a silicone sealant feeding system.

[0006] The silicone sealant feeding system provided by this application adopts the following technical solutions:

[0007] A silicone sealant feeding system includes a main frame, a feeding mechanism, a mixing mechanism and a discharging mechanism;

[0008] The main frame is provided with a double-layer structure, the feeding mechanism is arranged on the upper layer of the main frame, and the mixing mechanism and the discharging mechanism are arranged on the lower layer of the main frame;

[0009] The feeding mechanism includes several groups of storage components and a metering and conveying component. Several groups of the storage components are respectively used for storing different raw material additives, and the metering and conveying component communicates the storage components with the mixing system;

[0010] The mixing mechanism includes a mixing tank body, a mixing tank rack, and a third pipeline. The mixing tank rack mounts the mixing tank body directly above the discharging mechanism. The third pipeline is provided with a fourth valve and connects the mixing tank body and the discharging mechanism.

[0011] The discharging mechanism is used to extrude a certain amount of mixed rubber material under a certain pressure.

[0012] By adopting the above technical solution, through the mutual cooperation among various mechanisms such as the feeding mechanism, the mixing mechanism, and the discharging mechanism, the entire production and feeding process of silicone rubber can be directly integrated into the same equipment system. Moreover, since the storage components and metering and conveying components of each raw material additive in the feeding mechanism are independent of each other, even if some raw material additives need to be supplemented during the mixing process, the metering and conveying components of the raw material additives can be separately controlled for supplementary addition. This not only eliminates the need to replace the mixing equipment multiple times midway, but also, because the entire production and feeding process is in the same system, it can reduce the subsequent mixing and metering errors caused by the remaining materials from a certain step, thereby facilitating the improvement of the continuity of production and feeding and ensuring the production and feeding efficiency and quality.

[0013] Optionally, the storage component includes a liquid storage tank and a powder storage box, and the metering and conveying component includes a liquid conveying module and a powder conveying module corresponding to the liquid storage tank and the powder storage box respectively.

[0014] The feed inlet of the liquid storage tank is arranged on the periphery of the top and is provided with a first sealing cover. The discharge outlet of the liquid storage tank is arranged at the bottommost end. The liquid conveying module connects the discharge outlet of the liquid storage tank and the mixing tank body. A preheating pipe and a pre-stirring module are also arranged in the liquid storage tank.

[0015] The feed inlet of the powder storage box is arranged on the periphery of the top and is provided with a second sealing cover. The discharge outlet of the powder storage box is arranged at the bottommost end. The powder conveying module connects the discharge outlet of the powder storage box and the mixing tank body. A hot air blower is also arranged in the powder storage box.

[0016] By adopting the above technical solution, for liquid or powder raw material additives, liquid storage tanks and powder storage boxes with different structures are set, so that the staff can directly distinguish the storage locations of different raw material additives from the appearance, which is beneficial to improving the recognition rate of the storage equipment for each raw material additive. Secondly, for liquid raw material additives, a preheating pipe and a pre-stirring component are arranged in the liquid storage tank, which can preheat and stir the liquid raw material additives during storage, and is beneficial to reducing the occurrence of phenomena such as precipitation and gelation in the raw material additives; for powder raw material additives, a hot air blower is arranged in the powder storage box, which can perform hot air drying on the powder raw material additives during storage, and is beneficial to reducing the phenomenon of powder agglomeration due to moisture absorption in the raw material additives.

[0017] Optionally, the liquid delivery module includes a first pipeline, a first valve, a metering pump, and a second valve. The first pipeline connects the liquid storage tank and the mixing tank. The first valve is arranged at one end of the first pipeline close to the liquid storage tank. The metering pump is arranged on the first pipeline behind the first valve. The second valve is arranged at one end of the first pipeline close to the mixing tank.

[0018] The powder delivery module includes a metering sleeve, a screw feeding rod, a feeding driving part, a second pipeline, and a third valve. One end of the metering sleeve is connected to the discharge port of the powder storage box. The other end of the metering sleeve extends obliquely upward and is connected to the second pipeline. The screw feeding rod is arranged in the metering sleeve. The feeding driving part is arranged outside the metering sleeve and is connected to the screw feeding rod. The second pipeline extends downward and is connected to the mixing tank. The third valve is arranged at one end of the second pipeline close to the mixing tank.

[0019] By adopting the above technical solution, the first valve can control the discharge of the liquid storage tank. The metering pump can quantitatively extract the liquid raw material additives from the liquid storage tank to the mixing tank according to the process requirements. The second valve can control the connection between the metering pump and the mixing tank, and can seal the mixing tank during the stirring of the mixing tank to prevent the gas generated in the mixing tank from surging back to the liquid storage tank. Through the mutual cooperation among the first valve, the metering pump, and the second valve, the required raw material additives can be extracted from the liquid storage tank regularly and quantitatively, which is beneficial to improving the metering accuracy of the liquid raw material additives. Secondly, through the mutual cooperation of the metering sleeve, the screw feeding rod, and the feeding driving part, since the amount of powder carried by the screw feeding rod each time it rotates is the same, and thus the rotation speed and time of the screw feeding rod are controlled by the feeding driving part, the powder can be quantitatively delivered into the second pipeline. The third valve can control the connection between the metering sleeve and the mixing tank, and can seal the mixing tank during the stirring of the mixing tank to prevent the gas generated in the mixing tank from surging back to the powder storage box.

[0020] By respectively arranging corresponding metering and delivery components for the liquid storage tank and the powder storage box, different metering and delivery components can quantitatively extract the raw material additives in liquid or powder form, which is beneficial to further improving the metering accuracy of the addition of each raw material additive.

[0021] Optionally, heating pipes and a stirring module are arranged inside the mixing tank body. The stirring module includes a main stirring rod, stirring support rods and a stirring driving member. The main stirring rod is vertically arranged at the central axis position of the mixing tank body. A plurality of groups of stirring blades are arranged along the length direction of the main stirring rod. The heating pipes are spirally arranged around the periphery of the main stirring rod. One end of the stirring support rod is connected to the main stirring rod, and the other end extends towards the bottom of the mixing tank body. The stirring support rods are arranged around the side of the heating pipe away from the stirring support rods.

[0022] By adopting the above technical solution, the heating pipes and the stirring module are arranged, and the raw material additives are heated when the mixing tank body is stirring and mixing, so that the shear viscosity of the mixed rubber can be effectively reduced, and the mixed rubber is easier to mix and flow. This is not only beneficial to further uniformly mixing each raw material additive, but also beneficial to reducing the fluid resistance suffered by the stirring module during stirring and reducing the load of the stirring driving member. Secondly, the stirring support rods are arranged around the side of the heating pipe away from the main stirring rod, which is beneficial to improving the stirring uniformity of the stirring module and improving the stirring efficiency.

[0023] Optionally, a rubber scraping strip is connected to the stirring support rod, and the rubber scraping strip is attached to the inner side wall of the mixing tank body in the vertical direction.

[0024] By adopting the above technical solution, the rubber scraping strip can fully scrape off the residual rubber attached to the inner side wall of the mixing tank body during stirring, which is beneficial to improving the stirring degree of the mixing tank body and enabling the mixed rubber to be fully dispersed and mixed.

[0025] Optionally, a vacuum pump and a vacuum gauge are arranged at the top end of the mixing tank body. Both the vacuum pump and the vacuum gauge are communicated with the inside of the mixing tank body; an air inlet pipe is also arranged at the top end of the mixing tank body, and an air inlet valve is arranged on the air inlet pipe.

[0026] By adopting the above technical solution, the vacuum pump and the vacuum gauge are arranged to maintain and monitor the vacuum degree in the mixing tank body in real time, so as to create a continuous and stable vacuum environment for the full mixing of various raw materials, which is beneficial to preventing the influence of air or moisture on the mixing of the mixed rubber.

[0027] Optionally, the discharging mechanism includes an extruder and a melt metering pump, and the melt metering pump is arranged at the discharging end of the extruder.

[0028] By adopting the above technical solution, the melt metering pump is arranged at the discharging port of the extruder, so that the extruder can extrude the mixed rubber quantitatively, which is beneficial to maintaining the consistency of each feeding of the feeding system.

[0029] Optionally, a staircase and a lift are arranged on one side of the main body frame.

[0030] By adopting the above technical solution, the lifting elevator can help the staff to carry the raw material additives to the upper layer of the main frame, which is beneficial to reducing the burden of the staff and improving the handling efficiency of the raw material additives.

[0031] In summary, the technical solution of the present application has at least one of the following beneficial effects:

[0032] 1. Through the mutual cooperation among various mechanisms such as the feeding mechanism, the mixing mechanism, and the discharging mechanism, the entire production feeding process of the silicone rubber can be directly integrated into the same equipment system. Not only does it not need to replace the mixing equipment multiple times in the middle, but also because the entire production feeding process is in the same system, it can effectively reduce the mixing measurement error, which is beneficial to improving the continuity of production feeding and further ensuring the production feeding efficiency and feeding quality.

[0033] 2. By setting liquid storage tanks and powder storage bins with different structures, the staff can directly distinguish the storage locations of different raw material additives from the appearance, which is beneficial to improving the recognition rate of each raw material additive storage equipment.

[0034] 3. By setting metering and conveying components corresponding to the storage components storing raw material additives with different properties, different metering and conveying components can quantitatively extract liquid or powder raw material additives, which is beneficial to further improving the accuracy of the addition measurement of each raw material additive. Description of the Drawings

[0035] Figure 1 is a schematic structural diagram of a silicone rubber feeding system in an embodiment of the present application.

[0036] Figure 2 is a front view of a silicone rubber feeding system in an embodiment of the present application.

[0037] Figure 3 is a schematic structural diagram of a liquid storage tank and a liquid conveying component of a silicone rubber feeding system in an embodiment of the present application.

[0038] Figure 4 is a cross-sectional view of a liquid storage tank and a liquid conveying component of a silicone rubber feeding system in an embodiment of the present application.

[0039] Figure 5 is a schematic structural diagram of a powder storage bin and a powder conveying component of a silicone rubber feeding system in an embodiment of the present application.

[0040] Figure 6 is a cross-sectional view of a powder storage bin and a powder conveying component of a silicone rubber feeding system in an embodiment of the present application.

[0041] Figure 7It is a schematic structural diagram of a mixing mechanism and a discharging mechanism of a silicone glue feeding system in an embodiment of the present application.

[0042] Figure 8 It is a cross-sectional view of a mixing mechanism and a discharging mechanism of a silicone glue feeding system in an embodiment of the present application.

[0043] Explanation of reference numerals:

[0044] 1. Main body frame; 11. Staircase; 12. Elevator; 2. Feeding mechanism; 21. Storage component; 211. Liquid storage tank; 2111. First sealing cover; 2112. Preheating pipe; 2113. Pre-stirring module; 21131. Pre-stirring rod; 21132. Pre-stirring driving part; 21133. Pre-stirring paddle; 212. Powder storage box; 2121. Second sealing cover; 2122. Hot air blower; 22. Metering and conveying component; 221. Liquid conveying module; 2211. First pipeline; 2212. First valve; 2213. Metering pump; 2214. Second valve; 222. Powder conveying module; 2221. Metering sleeve; 2222. Screw feeding rod; 2223. Feeding driving part; 2224. Second pipeline; 2225. Third valve; 3. Mixing mechanism; 31. Mixing tank body; 311. Heating pipe; 312. Stirring module; 3121. Stirring main rod; 3122. Stirring branch rod; 3123. Stirring driving part; 3124. Stirring paddle; 3125. Rubber scraper; 313. Vacuum pump; 314. Vacuum gauge; 315. Air inlet pipe; 3151. Air inlet valve; 32. Mixing tank frame; 33. Third pipeline; 331. Fourth valve; 4. Discharging mechanism; 41. Extruder; 42. Melt metering pump. Detailed implementation manners

[0045] The following further Figure 1-8 describes the present application in detail with reference to the attached

[0046] An embodiment of the present application discloses a silicone glue feeding system. Refer to Figure 1 and Figure 2, A silicone glue feeding system, including a main body frame 1, a feeding mechanism 2, a mixing mechanism 3 and a discharging mechanism 4. Among them, the main body frame 1 serves as the support structure of the entire feeding system and is provided with a double-layer structure. The feeding mechanism 2 is arranged at the upper layer position of the main body frame 1, and the mixing mechanism 3 and the discharging mechanism 4 are arranged at the lower layer position of the main body frame 1. The feeding mechanism 2 includes several groups of storage components 21 and metering and conveying components 22 corresponding to the storage components 21 one by one. Among them, several groups of storage components 21 are respectively used to store different raw materials or additives, and the metering and conveying components 22 are connected to the storage components 21 and the mixing mechanism 3, and are used to quantitatively convey the raw material additives in the storage components 21 to the mixing mechanism 3. The mixing mechanism 3 includes a mixing tank body 31, a mixing tank frame 32 and a third pipeline 33. The mixing tank body 31 is erected directly above the discharging mechanism 4 through the mixing tank frame 32. The mixing tank body 31 is used to fully mix different raw materials and additives to obtain mixed rubber material, and convey the mixed good mixed rubber material to the discharging mechanism 4 through the third pipeline 33. The discharging mechanism 4 includes an extruder 41 and a melt metering pump 42. The melt metering pump 42 is arranged at the discharging end of the extruder 41. Through the mutual cooperation of the extruder 41 and the melt metering pump 42, the mixed rubber material can be quantitatively extruded with a certain pressure. In this embodiment, the extruder 41 is a single-screw extruder 41.

[0047] Thus, through the mutual cooperation among the feeding mechanism 2, the mixing mechanism 3 and the discharging mechanism 4, the entire production and feeding process of silicone glue is integrated into the same equipment system, which is not only beneficial to improving the continuity of silicone glue production and feeding, ensuring the mixing quality, but also beneficial to improving the production and feeding efficiency of silicone glue.

[0048] Refer to Figure 3 and Figure 5 , the storage component 21 includes a liquid storage tank 211 and a powder storage box 212. Among them, the liquid storage tank 211 is used to store liquid raw materials or additives, while the powder storage box 212 is used to store powder raw materials or additives. The metering and conveying component 22 includes a liquid conveying module 221 and a powder conveying module 222. Among them, the liquid conveying module 221 corresponds to the liquid storage tank 211 and is used to quantitatively convey liquid raw materials or additives to the mixing tank body 31; the powder conveying component corresponds to the powder storage box 212 and is used to quantitatively convey powder raw materials or additives to the mixing tank body 31.

[0049] Refer to Figure 3 and Figure 4, the liquid storage tank 211 is integrally in a cylindrical structure, and the bottom end of the tank body is in an inverted conical structure with the tip pointing downward. The feed port of the liquid storage tank 211 is opened at the circumferential side position of the top end of the tank body, and is provided with a first sealing cover 2111 that can seal the liquid storage tank 211. The discharge port of the liquid storage tank 211 is opened at the bottommost position of the tank body, so that the stored liquid can be fully discharged along the bottom structure of the inverted conical tank body. Inside the liquid storage tank 211, a preheating pipe 2112 for preheating and a pre-stirring module 2113 for preliminary stirring are provided. Specifically, the pre-stirring module 2113 includes a pre-stirring rod 21131 and a pre-stirring driving member 21132. The pre-stirring rod 21131 is rotatably arranged on the central axis inside the liquid storage tank 211. One end of the pre-stirring rod 21131 is provided with a pre-stirring paddle 21133. The pre-stirring driving member 21132 is arranged at the top end of the liquid storage tank 211, and the driving end of the pre-stirring driving member 21132 extends into the liquid storage tank 211 and is connected to the pre-stirring rod 21131. In this embodiment, the pre-stirring driving member 21132 is selected as a driving motor and named the first driving motor. The preheating pipe 2112 is spirally wound around the circumferential side of the pre-stirring rod 21131.

[0050] Referring to Figure 3 and Figure 4 , the liquid delivery module 221 includes a first pipeline 2211, a first valve 2212, a metering pump 2213, and a second valve 2214. One end of the first pipeline 2211 is communicated with the discharge port of the liquid storage tank 211, and the other end is communicated with the mixing tank body 31. The first valve 2212 is arranged at one end of the first pipeline 2211 close to the liquid storage tank 211. The metering pump 2213 is arranged on the first pipeline 2211 behind the first valve 2212. The second valve 2214 is arranged at one end of the first pipeline 2211 close to the mixing tank body 31.

[0051] Referring to Figure 5 and Figure 6 , the powder storage box 212 is integrally in a rectangular box structure, and the bottom end of the box body is in an inverted truncated pyramid structure with the tip pointing downward. The feed port of the powder storage box 212 is opened at the circumferential side position of the top end of the box body, and is provided with a second sealing cover 2121 that can seal the powder storage box 212. The discharge port of the powder storage box 212 is opened at the bottommost position of the tank body, so that the stored powder can be fully discharged along the bottom structure of the inverted truncated pyramid-shaped box body. A hot air blower 2122 is also arranged inside the powder storage box 212. The hot air blower 2122 is used to dry the powder raw materials or additives in the powder storage box 212 to prevent the powder raw materials or additives from caking due to moisture.

[0052] Referring to Figure 5 and Figure 6, the powder conveying module 222 includes a metering sleeve 2221, a screw feeder 2222, a feeding driving member 2223, a second pipeline 2224 and a third valve 2225. Specifically, one end of the metering sleeve 2221 is communicated with the discharge port of the powder storage tank 212, the other end of the metering sleeve 2221 extends obliquely upward and is connected with the second pipeline 2224. The screw feeder 2222 is rotatably arranged in the metering sleeve 2221. The feeding driving member 2223 is arranged outside the top end of the metering sleeve 2221, and the driving end of the feeding driving member 2223 is connected with the screw feeder 2222. In this embodiment, the feeding driving member 2223 is selected as a driving motor and named the second driving motor. Thus, when the second driving motor is started, the second driving motor can drive the screw feeder 2222 to rotate. Since the amount of powder carried by the screw feeder 2222 each time it rotates is the same, by controlling the rotation speed and time of the screw feeder 2222, the quantitative conveying of the powder into the second pipeline 2224 can be realized. The second pipeline 2224 extends towards the lower layer of the main frame 1 and is communicated with the mixing tank body 31. The third valve 2225 is arranged at one end of the second pipeline 2224 close to the mixing tank body 31.

[0053] Referring to Figure 7 and Figure 8 , the mixing tank body 31 is integrally in a cylindrical structure, and the bottom end of the tank body is in an inverted conical structure with the tip downward. The feed inlet of the mixing tank body 31 is arranged around the top end of the tank body and is communicated with a plurality of groups of first pipelines 2211 and the second pipeline 2224. The discharge outlet of the mixing tank body 31 is opened at the bottommost position of the tank body and is communicated with the extruder 41 through the third pipeline 33. A heating pipe and a stirring module 312 are arranged inside the mixing tank body 31. Among them, the stirring module 312 includes a stirring main rod 3121, a stirring support rod 3122 and a stirring driving member 3123. Specifically, the stirring main rod 3121 is vertically arranged on the central axis of the mixing tank body 31. The stirring driving member 3123 is arranged outside the top end of the mixing tank body 31, and its driving end extends into the mixing tank body 31 and is connected with the stirring main rod 3121. In this embodiment, the stirring driving member 3123 is selected as a driving motor and named the third driving motor.

[0054] Referring to Figure 7 and Figure 8, along the length direction of the main stirring rod 3121, several groups of stirring blades 3124 are arranged. The heating pipe 311 is spirally wound around the periphery of the main stirring rod 3121. One end of the auxiliary stirring rod 3122 is connected to the main stirring rod 3121, and the other end extends towards the bottom of the mixing tank body 31 and is wound around the side of the heating pipe 311 away from the auxiliary stirring rod 3122. Thus, the main stirring rod 3121 and the auxiliary stirring rod 3122 cooperate with each other to form a "towel" - shaped structure, and the heating pipe 311 is wound between the main stirring rod 3121 and the auxiliary stirring rod 3122. Further, a rubber scraping strip 3125 is also connected to the auxiliary stirring rod 3122, and the rubber scraping strip 3125 is in close contact with the inner side wall of the mixing tank body 31.

[0055] Referring to Figure 7 and Figure 8 , at the top end of the mixing tank body 31, a vacuum pump 313 and a vacuum gauge 314 are also arranged, so that the inside of the mixing tank body 31 can be kept in a vacuum state, preventing air or water vapor from affecting the mixing process of the rubber compound and further ensuring the mixing quality. Further, an air inlet is opened at the top end of the mixing tank body 31 and is connected with an air inlet pipe 315, and an air inlet valve 3151 is also arranged on the air inlet pipe 315. Thus, different - property gases can be introduced into the mixing tank body 31 according to the requirements of certain special processes.

[0056] Referring to Figure 7 and Figure 8 , the extruder 41 is arranged directly below the mixing tank body 31. The third pipeline 33 extends vertically downward and connects the discharge port of the mixing tank body 31 and the main feed port of the extruder 41. A fourth valve 331 is also arranged in the third pipeline 33. When the mixing tank body 31 is mixing, the fourth valve 331 is in a closed state.

[0057] Referring to Figure 3 , Figure 5 and Figure 7 , in order to accurately control the addition of materials, in this embodiment, the first valve 2212, the second valve 2214, the third valve 2225, the fourth valve 331, and the air inlet valve 3151 are all selected as solenoid valves.

[0058] Referring to Figure 1 , in order to facilitate the staff to add materials to the feeding mechanism 2 arranged on the upper layer of the main body frame 1, a staircase 11 and a lift 12 are arranged on one side of the main body frame 1.

[0059] The implementation principle of a silicone rubber feeding system according to an embodiment of the present application is as follows:

[0060] The staff first transports the raw material additives to the upper layer of the main frame 1 through the lift elevator 12, and adds them into the liquid storage tank 211 and the powder storage bin 212 respectively according to the state of the raw material additives, and can preheat, stir or dry the raw material additives according to the process requirements of production feeding.

[0061] Start the metering pump 2213 and the feeding driving part 2223, quantitatively extract the required liquid or powder raw materials according to the process requirements of production feeding, open the second valve 2214 and the third valve 2225, so that the quantitatively extracted raw material additives can fully enter the mixing tank body 31, then close the second valve 2214 and the third valve 2225, start the heating pipe 311 and the vacuum pump 313 in the mixing tank body 31, and start the stirring assembly after reaching the environmental conditions required by the process to start the first mixing of each raw material additive.

[0062] When it is necessary to add additional additive raw materials for the second mixing, first balance the vacuum state inside the mixing tank body 31 through the air inlet valve 3151. Then, since the storage components 21 and the metering and conveying components 22 are independent of each other, only the corresponding metering and conveying components 22 need to be directly started. Then, close the valves again and start the vacuum pump 313 to make the inside of the mixing tank body 31 maintain a vacuum sealing state again, and the secondary mixing can be carried out.

[0063] After the stirring is completed, open the fourth valve 331, and the mixed rubber material fully enters the extruder 41 along the third pipeline 33, and is extruded into the melt meter by the extruder 41 with a certain pressure. Finally, the mixed rubber material is quantitatively extruded through the melt meter, and the entire production feeding process of the silicone rubber is completed.

[0064] This specific embodiment is only an interpretation of the present application, and it does not limit the present application. After reading this specification, those skilled in the art can make modifications without creative contributions to this specific embodiment according to needs, but as long as they are within the scope of the claims of the present application, they are protected by the patent law.

Claims

1. A silicone adhesive feeding system, characterized in that: It comprises a main frame (1), a feeding mechanism (2), a mixing mechanism (3) and a discharging mechanism (4); The main frame (1) is provided with a double-layer structure, the feeding mechanism (2) is provided on the upper layer of the main frame (1), and the mixing mechanism (3) and the discharging mechanism (4) are provided on the lower layer of the main frame (1); The feeding mechanism (2) comprises a plurality of groups of material storage components (21) and a metering and conveying component (22), wherein the plurality of groups of material storage components (21) are respectively used to store different raw material additives, and the metering and conveying component (22) is connected to the material storage components (21) and the mixing mechanism (3); The mixing mechanism (3) comprises a mixing tank body (31), a mixing tank frame (32) and a third pipeline (33); the mixing tank frame (32) sets up the mixing tank body (31) directly above the discharging mechanism (4); the third pipeline (33) is provided with a fourth valve (331); and the third pipeline (33) connects the mixing tank body (31) and the discharging mechanism (4); The discharging mechanism (4) is used to extrude a certain amount of mixed rubber material at a certain pressure.

2. A silicone adhesive feeding system according to claim 1, characterized in that: The material storage component (21) comprises a liquid material storage tank (211) and a powder material storage box (212); the metering and conveying component (22) comprises a liquid conveying module (221) and a powder conveying module (222) respectively corresponding to the liquid material storage tank (211) and the powder material storage box (212); The feed port of the liquid storage tank (211) is arranged on the peripheral side of the top end and is provided with a first sealing cover (2111); the discharge port of the liquid storage tank (211) is arranged at the bottom end; the liquid delivery module (221) is connected to the discharge port of the liquid storage tank (211) and the mixing tank body (31); and a preheating pipe (2112) and a pre-stirring module (2113) are also provided in the liquid storage tank (211); The feed port of the powder storage box (212) is arranged on the peripheral side of the top end and is provided with a second sealing cover (2121); the discharge port of the powder storage box (212) is arranged at the bottom end; the powder conveying module (222) is connected to the discharge port of the powder storage box (212) and the mixing tank body (31); and a hot air blower (2122) is also provided in the powder storage box (212).

3. A silicone adhesive feeding system according to claim 2, characterized in that: The liquid delivery module (221) comprises a first pipeline (2211), a first valve (2212), a metering pump (2213) and a second valve (2214); the first pipeline (2211) is connected to the liquid storage tank (211) and the mixing tank body (31); the first valve (2212) is arranged at one end of the first pipeline (2211) close to the liquid storage tank (211); the metering pump (2213) is arranged on the first pipeline (2211) behind the first valve (2212); and the second valve (2214) is arranged at one end of the first pipeline (2211) close to the mixing tank body (31); The powder conveying module (222) comprises a metering sleeve (2221), a spiral feeding rod (2222), a feeding drive (2223), a second pipeline (2224) and a third valve (2225); one end of the metering sleeve (2221) is connected to the discharge port of the powder storage box (212); the other end of the metering sleeve (2221) extends upwardly at an angle and is connected to the second pipeline (2224); the spiral feeding rod (2222) is arranged in the metering sleeve (2221); the feeding drive (2223) is arranged on the outside of the metering sleeve (2221) and is connected to the spiral feeding rod (2222); the second pipeline (2224) extends downwardly and is connected to the mixing tank body (31); and the third valve (2225) is arranged at one end of the second pipeline (2224) close to the mixing tank body (31).

4. A silicone adhesive feeding system according to claim 1, characterized in that: A heating tube (311) and a stirring module (312) are arranged on the inner side of the mixing tank body (31); the stirring module (312) comprises a stirring main rod (3121), a stirring support rod (3122) and a stirring driving member (3123); the stirring main rod (3121) is vertically arranged at the central axis position of the mixing tank body (31); the stirring main rod (3121) is provided with a plurality of groups of stirring blades (3124) along the length direction; the heating tube (311) is arranged in a spiral shape around the stirring main rod (3121); one end of the stirring support rod (3122) is connected to the stirring main rod (3121), and the other end extends toward the bottom of the mixing tank body (31); and the stirring support rod (3122) is arranged around the heating tube (311) on a side away from the stirring main rod (3121).

5. A silicone adhesive feeding system according to claim 4, characterized in that: The stirring support rod (3122) is connected to a rubber scraper (3125), and the rubber scraper (3125) is in contact with the inner wall of the mixing tank body (31) along the vertical direction.

6. A silicone adhesive feeding system according to claim 1, characterized in that: A vacuum pump (313) and a vacuum gauge (314) are provided at the top of the mixing tank body (31); the vacuum pump (313) and the vacuum gauge (314) are both in communication with the inner side of the mixing tank body (31); an air intake pipe (315) is also provided at the top of the mixing tank body (31); an air intake valve (3151) is provided on the air intake pipe (315).

7. A silicone adhesive feeding system according to claim 1, characterized in that: The discharge mechanism (4) comprises an extruder (41) and a melt metering pump (42), and the melt metering pump (42) is arranged at the discharge end of the extruder (41).

8. A silicone adhesive feeding system according to claim 1, characterized in that: A staircase (11) and a lift (12) are provided on one side of the main frame (1).

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