Adhesive precise metering and supplying system for high-temperature-resistant adhesive tape

Abstract

The utility model discloses a precise adhesive metering and supplying system for a high-temperature-resistant adhesive tape, which belongs to the technical field of adhesive coating equipment and comprises a tank body, a stirring mechanism arranged in the tank body and a conveying mechanism communicated with the tank body. The rotating shaft is fixedly connected with a stirring blade and a scraping plate which is attached to the inner wall of the stirring tank. Through the combination of the stirring blades and the scrapers, the mixing uniformity of sizing materials is ensured, and the sizing materials are prevented from being hung on the wall; through two-stage heating of the tank body and the liquid inlet pipe, constant temperature and stable fluidity of the adhesive in the whole storage and conveying process are ensured; through the corrugated liquid inlet pipe, vibration and thermal stress are effectively absorbed, the connection reliability is improved, and therefore stable, continuous and high-precision supply of the adhesive is achieved.

Description

Technical Field

[0001] This utility model relates to the field of adhesive coating equipment technology, and in particular to a precision metering and dispensing system for high-temperature resistant adhesive tape. Background Technology

[0002] In the production of products such as high-temperature resistant tapes, adhesives with specific properties need to be uniformly coated onto the substrate. These adhesives, used in high-temperature environments, typically exhibit extremely high viscosity and poor flowability at room temperature, requiring specific high-temperature conditions to achieve a suitable flow state for coating processing. Therefore, automated and high-precision adhesive supply systems play a crucial role in ensuring product quality and production efficiency.

[0003] To ensure smooth delivery of adhesives, existing technologies typically employ heated mixing tanks for pretreatment. Heating melts the adhesive or reduces its viscosity, while stirring prevents sedimentation or stratification within the tank. While this method improves the adhesive's condition at the source to some extent, it doesn't adequately consider the continuity of the entire adhesive supply process.

[0004] When the pretreated adhesive is pumped out of the heating tank and flows through the delivery pipeline to the coating station, a new problem arises. The delivery pipeline is usually long and exposed to the ambient temperature. The pipeline itself becomes a heat sink. As the hot adhesive flows through this pipeline, heat is continuously dissipated, causing its temperature to gradually decrease.

[0005] The viscosity of adhesives is extremely sensitive to temperature. Even a small temperature change can cause significant fluctuations in viscosity. A decrease in temperature makes the adhesive more viscous at the end of the pipeline than it is in the tank, and its fluidity also deteriorates. When this physically unstable adhesive with altered viscosity enters the metering pump at the downstream end, the metering accuracy of the pump will be severely affected. The operation of the metering pump is based on the fluid being at a specific viscosity. Inconsistent fluid viscosity directly undermines the basis for its precise control of the dispensing amount, thus making it impossible to achieve truly precise adhesive dispensing.

[0006] Therefore, this utility model proposes a precision metering and dispensing system for high-temperature resistant adhesive tape to address the shortcomings of existing technologies. Utility Model Content

[0007] In view of the problem in the existing technology of a precision metering and dispensing system for high-temperature resistant adhesive tape, the adhesive's fluidity deteriorates due to the temperature drop during transportation, which seriously affects the metering accuracy of the downstream metering pump. This utility model aims to provide a precision metering and dispensing system for high-temperature resistant adhesive tape with an improved structure that can effectively solve the above-mentioned problems.

[0008] This utility model provides a precision metering and dispensing system for high-temperature resistant adhesive tape, comprising: a tank, a stirring mechanism disposed within the tank, and a transport mechanism connected to the tank.

[0009] The stirring mechanism includes a stirring tank disposed inside the tank body, a heating pipe fixedly connected to the outer wall of the stirring tank, a drive assembly, and a rotating shaft vertically rotatably connected inside the stirring tank. The drive assembly includes a motor and a rotating shaft that is drivenly connected to the output end of the motor. A stirring blade and a scraper are fixedly connected to the rotating shaft.

[0010] The transport mechanism includes an actuation component, an inlet pipe connecting the mixing tank to the inlet of the metering pump within the actuation component, and an outlet pipe connecting to the outlet of the metering pump.

[0011] Furthermore, the scraper is used to abut against the inner wall of the mixing tank, the inlet pipe has a corrugated structure, and a heating ring is fitted around its outer periphery.

[0012] Preferably, the actuator further includes a base for supporting the metering pump, the metering pump being fixedly mounted on the top of the base, which provides a stable and reliable mounting and fixing platform for the entire actuator.

[0013] Preferably, a valve body is fixedly connected to the inlet pipe, and a handle for controlling the opening and closing of its internal valve is rotatably connected to the valve body. This structure can easily cut off the adhesive passage when the system stops working, preventing the adhesive from flowing back from the pipeline and metering pump to the mixing tank.

[0014] Preferably, the transport mechanism further includes a support, and the heating ring is supported and stably positioned on the outer periphery of the liquid inlet pipe by the support. The support ensures that the heating ring and the liquid inlet pipe maintain a precise and stable relative position, thereby ensuring the uniformity and efficiency of heating.

[0015] Preferably, the stirring blade and the scraper are spaced apart along the axial direction of the rotating shaft, and both are fixedly connected to the rotating shaft to achieve synchronous rotation. This layered arrangement allows for simultaneous mixing of adhesives at different depths within the mixing tank and scraping of the entire inner wall during the mixing process.

[0016] Preferably, the inlet pipe includes at least two detachably connected pipe sections, with flanges fixedly connected to the opposite ends of each pipe section. The two flanges are fastened together by multiple bolts. This segmented flange connection structure greatly simplifies the disassembly and installation process of the pipeline and facilitates regular cleaning and maintenance.

[0017] Preferably, the heating tube is fixedly connected to the outer wall of the mixing tank in a spiral winding manner. Compared with a simple parallel or ring arrangement, the spiral winding method can arrange a longer heating tube on the limited outer wall surface area of ​​the tank, which significantly increases the heating contact area and improves the heating efficiency of the rubber material in the tank.

[0018] Preferably, the outer edge contour of the scraper matches the shape of the inner wall of the mixing tank, and the scraper maintains continuous scraping contact with the inner wall as it rotates with the rotating shaft. This close-fitting scraping method can ensure that the adhesive material attached to the inner wall of the tank is scraped off to the maximum extent, avoiding the accumulation and waste of materials.

[0019] This utility model has the following beneficial effects:

[0020] 1. This utility model solves the problems in the prior art where high-temperature resistant adhesives tend to precipitate and separate when left to stand, and high-viscosity adhesives tend to adhere to the inner wall of the tank, making them difficult to clean and causing waste, by setting stirring blades and scrapers that are driven synchronously by the same driving component inside the mixing tank. It achieves the technical effect of fully and evenly stirring the adhesive and continuously scraping off the adhering substances on the inner wall, ensuring that the physical state of the adhesive is uniform and stable, while reducing the waste of raw materials.

[0021] 2. This utility model, by setting a heating pipe on the outer wall of the mixing tank and a heating ring on the outer periphery of the liquid inlet pipe of the transport mechanism, forms a two-stage heating system. This solves the problem in the prior art where the adhesive is only heated inside the tank, and cools down during the transport process due to the long pipeline and low ambient temperature, resulting in poor fluidity and affecting the metering accuracy of the metering pump. It achieves the technical effect of ensuring that the adhesive maintains a constant optimal flow viscosity throughout the entire process of storage and transport, providing a prerequisite guarantee for achieving high-precision metering.

[0022] 3. This utility model solves the problems of existing technologies that use rigid pipe connections, which are prone to leakage due to stress concentration at the connection due to equipment vibration or thermal expansion and contraction, and are difficult to disassemble and maintain. It adopts a liquid inlet pipe with a corrugated structure and uses flanges and bolts for detachable connection. It achieves the technical effect of effectively absorbing vibration and thermal stress, significantly improving the reliability and sealing of the pipeline connection, and realizing the rapid disassembly and assembly of the pipeline, which facilitates daily cleaning and maintenance. Attached Figure Description

[0023] Figure 1 This is a perspective view of a precision metering and dispensing system for high-temperature resistant adhesive tape proposed in this utility model;

[0024] Figure 2 This is a split view of the stirring mechanism of a precision metering and dispensing system for high-temperature resistant adhesive tape proposed in this utility model.

[0025] Figure 3 This is a diagram illustrating the transport mechanism of a precision metering and dispensing system for high-temperature resistant adhesive tape proposed in this utility model.

[0026] Figure 4 for Figure 3 Enlarged view of point A in the middle.

[0027] Legend:

[0028] 1. Tank body; 2. Stirring mechanism; 201. Stirring tank; 202. Heating tube; 203. Stirring blade; 204. Scraper; 205. Drive assembly; 2051. Motor; 2052. Rotating shaft; 3. Transport mechanism; 301. Inlet pipe; 302. Heating ring; 303. Handle; 304. Valve body; 305. Flange; 306. Bolt; 307. Outlet pipe; 308. Support; 309. Actuation assembly; 3091. Metering pump; 3092. Base. Detailed Implementation

[0029] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions in the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0030] Example:

[0031] Please refer to Figures 1 to 4 This utility model provides a precision metering and dispensing system for high-temperature resistant adhesive tape, which aims to solve the problems in the prior art where high-temperature resistant adhesives are prone to sedimentation and stratification when left to stand, and are easy to adhere to the tank wall. Furthermore, during transportation, temperature changes cause unstable flowability, affecting metering accuracy. Additionally, pipe connections are prone to leakage due to vibration or thermal expansion and contraction.

[0032] like Figure 1 As shown, the high-temperature resistant tape adhesive precision metering and dispensing system includes a tank 1, a stirring mechanism 2 installed inside the tank 1, and a conveying mechanism 3 connected to the bottom of the tank 1. The stirring mechanism 2 is used to heat and stir the adhesive, and the conveying mechanism 3 is used to precisely meter and convey the processed adhesive. Specifically, refer to... Figure 2The stirring mechanism 2 includes a stirring tank 201 disposed within the tank body 1. A heating pipe 202 is fixedly connected to the outer wall of the stirring tank 201. The stirring mechanism 2 also includes a drive assembly 205, which includes a motor 2051 and a rotating shaft 2052 that is drivenly connected to the output end of the motor 2051. The rotating shaft 2052 is vertically rotatably connected inside the stirring tank 201. A stirring blade 203 and a scraper 204 for abutting against the inner wall of the stirring tank 201 are fixedly connected to the rotating shaft 2052. (Refer to...) Figure 3 and Figure 4 The transport mechanism 3 includes an execution component 309, which is equipped with a metering pump 3091. The transport mechanism 3 also includes an inlet pipe 301 that connects the mixing tank 201 and the inlet end of the metering pump 3091, and an outlet pipe 307 that connects to the outlet end of the metering pump 3091. The inlet pipe 301 has a corrugated structure and a heating ring 302 is fitted around its outer periphery.

[0033] To solve the above-mentioned technical problems, the technical solution of this embodiment lies in the specific structural cooperation and functional synergy between the stirring mechanism 2 and the transport mechanism 3. Please refer to the following for details. Figure 2 , Figure 3 and Figure 4 The structure will be described in detail below:

[0034] The motor 2051 in the drive assembly 205 drives the rotating shaft 2052 to rotate via a transmission connection. The rotating shaft 2052 drives the stirring blade 203 and scraper 204 fixedly connected to it to rotate synchronously. The stirring blade 203 and scraper 204 are spaced apart along the axial direction of the rotating shaft 2052. The stirring blade 203 is used to stir the adhesive body in the middle of the mixing tank 201 to prevent sedimentation and stratification. The outer edge contour of the scraper 204 matches the shape of the inner wall of the mixing tank 201 and maintains continuous scraping contact with the inner wall during rotation, thereby scraping off the adhesive material adhering to the tank wall and making it re-participate in the mixing. This combination structure of the stirring blade 203 and scraper 204 ensures that the physical state of the adhesive material in the mixing tank 201 is highly uniform. At the same time, the heating tube 202 fixedly connected to the outer wall of the mixing tank 201 heats it in a spiral winding manner, increasing the heating contact area and ensuring that the adhesive material reaches and maintains the optimal flow viscosity at the source.

[0035] In the transport mechanism 3, the corrugated structure of the inlet pipe 301 gives it good flexibility, which can absorb the vibration generated during equipment operation and the thermal expansion and contraction caused by temperature changes, effectively preventing leakage at the connection interface. The heating ring 302, which is sleeved on the outer periphery of the inlet pipe 301, continuously heats and keeps the adhesive flowing inside it warm, ensuring that the adhesive does not increase in viscosity due to cooling during the process of being transported from the mixing tank 201 to the metering pump 3091, thus ensuring the stability of the adhesive entering the metering pump 3091, thereby providing a basis for subsequent precision metering.

[0036] Based on the above embodiments, the present invention may further include the following preferred technical solutions:

[0037] In a preferred embodiment, in order to provide a stable mounting base for the metering pump 3091, the actuator 309 also includes a base 3092 for supporting the metering pump 3091. The metering pump 3091 is fixedly mounted on the top of the base 3092, which is used to stably fix the entire actuator 309 to the ground or equipment platform.

[0038] In a preferred embodiment, in order to cut off the glue path and prevent backflow when not in operation, a valve body 304 is fixedly connected to the inlet pipe 301. A handle 303 for controlling the opening and closing of its internal valve is rotatably connected to the valve body 304. The pipeline can be easily opened and closed by rotating the handle 303.

[0039] In a preferred embodiment, in order to reliably position and support the heating ring 302, the transport mechanism 3 also includes a bracket 308. The heating ring 302 is supported by the bracket 308 and stably positioned on the outer periphery of the liquid inlet pipe 301, ensuring a stable positional relationship and good heat conduction between the heating ring 302 and the liquid inlet pipe 301.

[0040] In a preferred embodiment, in order to achieve all-round treatment of the rubber material in the tank, the stirring blade 203 and the scraper 204 are arranged axially at intervals along the rotating shaft 2052, and the stirring blade 203 and the scraper 204 are both fixedly connected to the rotating shaft 2052 to rotate synchronously, so as to process the rubber material in different areas at the same time during rotation.

[0041] In a preferred embodiment, to facilitate the cleaning and maintenance of the pipeline, the inlet pipe 301 includes at least two detachable pipe sections, with flanges 305 fixedly connected to the opposite ends of the pipe sections. The two flanges 305 are fastened together by multiple bolts 306, enabling quick assembly and disassembly of the pipeline.

[0042] As a preferred embodiment, in order to improve heating efficiency, the heating tube 202 is fixedly connected to the outer wall of the mixing tank 201 in a spiral winding manner. This arrangement can maximize the contact area between the heating tube 202 and the outer wall of the mixing tank 201 within a limited space.

[0043] In a preferred embodiment, in order to achieve a more thorough wall scraping effect, the outer edge contour of the scraper 204 matches the shape of the inner wall of the mixing tank 201, and the scraper 204 maintains continuous scraping contact with the inner wall when rotating with the rotating shaft 2052, which can effectively scrape off the adhesive material adhering to the entire inner wall surface.

[0044] Working principle: The high-temperature resistant adhesive is poured into the mixing tank 201. The motor 2051 in the drive assembly 205 is started. The motor 2051 drives the rotating shaft 2052 to rotate. Its rotation synchronously drives the stirring blade 203 and scraper 204 in the stirring mechanism 2 to rotate. The scraper 204 can scrape off the adhesive on the inner wall of the mixing tank 201, while the stirring blade 203 can prevent the adhesive from settling and separating. Then, the heating pipe 202 between the tank 1 and the mixing tank 201 is started. The temperature sensor maintains a constant temperature in the mixing tank 201 to ensure that the adhesive reaches the optimal flow viscosity.

[0045] The metering pump 3091 in the execution component 309 is started. The colloid is transported to the inlet pipe 307 through the corrugated outlet pipe 301 in the transport mechanism 3. The base 3092 is used to support the metering pump 3091. During this process, the heating ring 302 is activated to ensure that the temperature of the colloid is uniform and the flow is stable during the transportation process. The bracket 308 is used to support the heating ring 302. The inlet pipe 301 is connected to the tank 1 and the metering pump 3091 respectively. The inlet pipe 301 is quickly disassembled and assembled through the flange 305 and bolts 306. The corrugated design combines flexible adjustment with rigid limit mechanically to solve the interface leakage problem caused by equipment vibration and thermal expansion and contraction of traditional fixed pipelines. When the work is finished, turn the handle 303 to close the valve in the valve body 304 to prevent the colloid from flowing back.

Claims

1. A precision metering and dispensing system for high-temperature resistant adhesive tape, comprising a tank (1), wherein a stirring mechanism (2) is provided inside the tank (1), and a transport mechanism (3) connected to the bottom of the tank (1); Its features are, The stirring mechanism (2) includes a stirring tank (201) disposed in the tank body (1), and a heating tube (202) is fixedly connected to the outer wall of the stirring tank (201). The stirring mechanism (2) also includes a driving assembly (205), which includes a motor (2051) and a rotating shaft (2052) that is drivenly connected to the output end of the motor (2051). The rotating shaft (2052) is vertically rotatably connected to the stirring tank (201), and a stirring blade (203) and a scraper (204) for abutting against the inner wall of the stirring tank (201) are fixedly connected to the rotating shaft (2052). The transport mechanism (3) includes an execution component (309), which is equipped with a metering pump (3091). The transport mechanism (3) also includes an inlet pipe (301) connecting the mixing tank (201) and the inlet end of the metering pump (3091) and an outlet pipe (307) connecting the outlet end of the metering pump (3091). The inlet pipe (301) has a corrugated structure and a heating ring (302) is fitted around its outer periphery.

2. The precision metering and dispensing system for high-temperature resistant adhesive tape according to claim 1, characterized in that, The execution component (309) also includes a base (3092) for supporting the metering pump (3091), the metering pump (3091) being fixedly mounted on the top of the base (3092).

3. The precision metering and dispensing system for high-temperature resistant adhesive tape according to claim 1, characterized in that, A valve body (304) is fixedly connected to the inlet pipe (301), and a handle (303) for controlling the opening and closing of its internal valve is rotatably connected to the valve body (304).

4. The precision metering and dispensing system for high-temperature resistant adhesive tape according to claim 1, characterized in that, The transport mechanism (3) also includes a bracket (308), and the heating ring (302) is supported by the bracket (308) and stably positioned on the outer periphery of the liquid inlet pipe (301).

5. The precision metering and dispensing system for high-temperature resistant adhesive tape according to claim 1, characterized in that, The stirring blade (203) and the scraper (204) are spaced apart along the axial direction of the rotating shaft (2052), and both the stirring blade (203) and the scraper (204) are fixedly connected to the rotating shaft (2052) to rotate synchronously.

6. The precision metering and dispensing system for high-temperature resistant adhesive tape according to claim 1, characterized in that, The inlet pipe (301) includes at least two detachably connected pipe sections, and flanges (305) are fixedly connected to the opposite ends of the pipe sections, and the two flanges (305) are fastened together by a plurality of bolts (306).

7. The precision metering and dispensing system for high-temperature resistant adhesive tape according to claim 1, characterized in that, The heating tube (202) is fixedly connected to the outer wall of the mixing tank (201) in a spiral winding manner to increase the heating contact area.

8. The precision metering and dispensing system for high-temperature resistant adhesive tape according to claim 1, characterized in that, The outer edge contour of the scraper (204) matches the shape of the inner wall of the mixing tank (201), and the scraper (204) maintains continuous scraping contact with the inner wall as it rotates with the rotating shaft (2052).

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