A production device of polyurethane foaming adhesive for pipeline

Abstract

The utility model relates to polyurethane foaming glue's production technical field, concretely is polyurethane foaming glue's production equipment for pipeline, including bucket body, feed port and stirring mechanism, the top of bucket body is provided with sealing cover, sealing cover is fixedly connected with bucket body through bolt, the top fixedly connected with mounting bracket of sealing cover, the top fixedly connected with servo motor of mounting bracket, the output fixedly connected with stirring mechanism of servo motor, feed port is connected in the outer wall of bucket body, and stirring mechanism includes the transmission assembly fixedly connected at the output of servo motor, and the end of transmission assembly is fixedly connected with cleaning assembly and stirring rod respectively. The utility model discloses, through the automatic scraping wall design of cleaning assembly, solved the problem that the barrel wall remained difficultly cleaned, reduced the work load of manual cleaning, through the spiral conveying structure of feed port, solved the problem that the raw material feeding was blocked, further reduced the jam probability, ensured the continuity of production, promoted the feeding efficiency.

Description

Technical Field

[0001] This utility model relates to the field of polyurethane foam production technology, and in particular to a production equipment for polyurethane foam for pipes. Background Technology

[0002] Polyurethane foam for pipelines is a type of functional material specifically designed for pipeline systems (insulation, sealing, corrosion protection). Its core characteristics must meet the requirements of "uniform density, viscosity stability, and temperature / media resistance". In the production process of foam, a key step is to mix and stir solid and liquid raw materials to form a homogeneous mixture, and then obtain the final product through heating and foaming processes.

[0003] In existing technologies, raw materials tend to adhere to the inner wall of the tank during the mixing process. Existing equipment lacks an automatic cleaning structure, and the residual raw materials not only cause waste but also affect the purity of the next product due to long-term accumulation and solidification. Subsequent manual cleaning requires disassembling the equipment, which is cumbersome and inefficient. Secondly, polyurethane foam raw materials often have a certain viscosity, and existing straight-cylinder feed hoppers lack auxiliary conveying structures, causing raw materials to easily accumulate and clump on the inner wall of the feed inlet, leading to feed interruptions and reducing production continuity. Utility Model Content

[0004] The purpose of this invention is to solve the problems of difficult cleaning of barrel wall residue and easy clogging of feed in the existing technology, and to propose a production equipment for polyurethane foam for pipes.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a production equipment for polyurethane foam for pipes, comprising a barrel, a feed inlet, and a stirring mechanism. A sealing cover is provided on the top of the barrel, and the sealing cover is fixedly connected to the barrel by bolts. A mounting frame is fixedly connected to the top of the sealing cover, and a servo motor is fixedly connected to the top of the mounting frame. The output end of the servo motor is fixedly connected to the stirring mechanism, and the feed inlet is connected through to the outer wall of the barrel.

[0006] The stirring mechanism includes a transmission component fixedly connected to the output end of a servo motor, and a cleaning component and a stirring rod are fixedly connected to the ends of the transmission component respectively.

[0007] Furthermore, the transmission assembly includes a first pulley fixedly connected to the output end of the servo motor, a connecting block fixedly connected to the outer wall of the barrel, a transmission rod rotatably connected inside the connecting block, a second pulley fixedly connected to the top end of the transmission rod, a third pulley fixedly connected to the bottom end of the transmission rod, and a belt sleeved between the first pulley and the second pulley.

[0008] Furthermore, a second belt is fitted onto the outer surface of the third pulley, and a fourth pulley is fitted onto the end of the second belt away from the third pulley. The stirring rod is fixedly connected to the top of the fourth pulley.

[0009] Furthermore, the stirring rod includes a rotating rod fixedly connected to the top of the fourth pulley, and stirring blades are fixedly connected to the outer surface of the rotating rod.

[0010] Furthermore, the cleaning assembly includes a connecting ring fixedly connected to the bottom of the first pulley, an L-shaped rod fixedly connected to the outer wall of the connecting ring, and three sets of L-shaped rods distributed circumferentially on the outer wall of the connecting ring. A spring is fixedly connected to the surface of the three sets of L-shaped rods near the inner wall of the barrel, and a scraper is fixedly connected to the end of the spring.

[0011] Furthermore, the feed inlet includes a conveying pipe that is connected through the barrel body. A geared motor is fixedly installed on the side of the conveying pipe away from the barrel body. A screw rod is fixedly connected to the output end of the geared motor. A funnel is connected through the outer surface of the conveying pipe.

[0012] Furthermore, a support rod is fixedly connected to the bottom of the barrel, and a fixing pad is fixedly connected to the bottom end of the support rod.

[0013] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0014] 1. In this utility model, the problem of difficult-to-clean residue on the barrel wall is solved by the automatic wall scraping design of the cleaning component. When the first pulley rotates, it synchronously drives the connecting ring at the bottom and the three sets of L-shaped rods to rotate. The springs on the L-shaped rods always apply elastic force to the scraper, so that the scraper fits tightly against the inner wall of the barrel. With the circumferential movement of the L-shaped rods, the scraper can scrape off the raw materials adhering to the barrel wall in real time, which not only reduces the waste of raw materials, but also avoids the residual raw materials from affecting the purity of the product in the next production. In addition, cleaning can be completed without disassembling the equipment, which greatly reduces the workload of manual cleaning and improves the convenience of equipment use.

[0015] 2. In this utility model, the problem of raw material blockage is solved by the spiral conveying structure of the feed inlet. When the raw material is fed from the funnel, the geared motor drives the spiral rod to rotate in the conveying pipe. The outer wall of the spiral rod is in contact with the inner wall of the conveying pipe, which can continuously push the viscous raw material forward into the barrel, avoiding the accumulation and clumping of raw material at the feed inlet. At the same time, the inverted frustum-shaped inner wall of the funnel can guide the raw material to concentrate into the conveying pipe, further reducing the probability of blockage, ensuring the continuity of production, and improving the feeding efficiency. Attached Figure Description

[0016] Figure 1 This utility model provides a three-dimensional structural diagram of a production equipment for polyurethane foam for pipes;

[0017] Figure 2 This utility model provides a cross-sectional structural diagram of a production equipment for polyurethane foam for pipes;

[0018] Figure 3 This utility model provides a structural schematic diagram of the stirring mechanism in a production equipment for polyurethane foam for pipes;

[0019] Figure 4 This utility model provides a schematic diagram of the inlet structure in a production equipment for polyurethane foam for pipes.

[0020] Figure 5 This utility model relates to a production equipment for polyurethane foam adhesive for pipes. Figure 3 Enlarged diagram of point A.

[0021] Legend:

[0022] 1. Barrel body; 11. Sealing cap; 12. Mounting bracket; 13. Servo motor; 14. Bolt; 2. Feed inlet; 21. Feed pipe; 22. Gear motor; 23. Screw rod; 24. Funnel; 3. Stirring mechanism; 31. Transmission assembly; 311. First pulley; 312. Connecting block; 313. Transmission rod; 314. Second pulley; 315. Third pulley; 316. Belt No. 1; 317. Belt No. 2; 318. Fourth pulley; 32. Cleaning assembly; 321. Connecting ring; 322. L-shaped rod; 323. Spring; 324. Scraper; 33. Stirring rod; 331. Rotating rod; 332. Stirring blade; 4. Support rod; 5. Fixing pad. Detailed Implementation

[0023] Please see Figure 1-5 This utility model provides a technical solution: a production equipment for polyurethane foam for pipes, including a barrel 1, a feed inlet 2 and a stirring mechanism 3. A sealing cover 11 is provided on the top of the barrel 1. The sealing cover 11 is fixedly connected to the barrel 1 by bolts 14. A mounting bracket 12 is fixedly connected to the top of the sealing cover 11. A servo motor 13 is fixedly connected to the top of the mounting bracket 12. The output end of the servo motor 13 is fixedly connected to the stirring mechanism 3. The feed inlet 2 is connected to the outer wall of the barrel 1.

[0024] The specific settings and functions of its feed inlet 2 and cleaning component 32 will be explained below.

[0025] In this embodiment: the stirring mechanism 3 includes a transmission component 31 fixedly connected to the output end of the servo motor 13, and a cleaning component 32 and a stirring rod 33 are fixedly connected to the ends of the transmission component 31 respectively.

[0026] The effect achieved by the above components is to realize the simultaneous operation of stirring and cleaning. The single power source of the servo motor 13 is transmitted to the cleaning component 32 and the stirring rod 33 simultaneously through the transmission component 31. Without the need for additional drive components, the cleaning of the barrel wall can be completed simultaneously during the raw material stirring process. This simplifies the equipment structure, reduces energy consumption, avoids the cumbersome process of cleaning separately after stirring, and improves production efficiency.

[0027] Specifically, the transmission assembly 31 includes a first pulley 311 fixedly connected to the output end of the servo motor 13, a connecting block 312 fixedly connected to the outer wall of the barrel 1, a transmission rod 313 rotatably connected inside the connecting block 312, a second pulley 314 fixedly connected to the top end of the transmission rod 313, a third pulley 315 fixedly connected to the bottom end of the transmission rod 313, and a belt 316 sleeved between the first pulley 311 and the second pulley 314.

[0028] The effects achieved by the above components are as follows: a stable power transmission path is constructed, the connecting block 312 provides rotational support for the transmission rod 313, ensuring that the transmission rod 313 does not deviate during power transmission; the first pulley 311 drives the second pulley 314 to rotate synchronously with the transmission rod 313 through the first belt 316, transmitting the power of the servo motor 13 from the top of the barrel 1 to the bottom, providing a foundation for the subsequent driving of the stirring rod 33, and solving the power distribution problem of a single power source driving multiple components.

[0029] Specifically, a second belt 317 is fitted onto the outer surface of the third pulley 315, and a fourth pulley 318 is fitted onto the end of the second belt 317 away from the third pulley 315. The stirring rod 33 is fixedly connected to the top of the fourth pulley 318.

[0030] The effects achieved by the above components are as follows: to realize the steering and distribution of power, the third pulley 315 converts the vertical power of the transmission rod 313 into the horizontal power through the second belt 317, and drives the fourth pulley 318 to drive the stirring rod 33 to rotate; so that multi-axis stirring is formed in the barrel 1, further improving the uniformity of raw material mixing.

[0031] Specifically, the stirring rod 33 includes a rotating rod 331 fixedly connected to the top of the fourth pulley 318, and a stirring blade 332 is fixedly connected to the outer surface of the rotating rod 331.

[0032] The effects achieved by the above components are as follows: enhancing the convection mixing of raw materials; when the rotating rod 331 drives the stirring blade 332 to rotate at high speed, the stirring blade 332 can push the raw materials to move along the axial direction of the barrel 1, breaking the layering state of the raw materials, ensuring that the core raw materials of pipe foam such as isocyanate, polyether polyol, and catalyst are fully integrated, and ensuring the consistency of the foam density of the finished product.

[0033] Specifically, the cleaning component 32 includes a connecting ring 321 fixedly connected to the bottom of the first pulley 311. An L-shaped rod 322 is fixedly connected to the outer wall of the connecting ring 321. Three sets of L-shaped rods 322 are circumferentially distributed on the outer wall of the connecting ring 321. A spring 323 is fixedly connected to the surface of the three sets of L-shaped rods 322 near the inner wall of the barrel 1. A scraper 324 is fixedly connected to the end of the spring 323.

[0034] The aforementioned components achieve the following effects: automatic and non-destructive cleaning of residues on the barrel wall; the three sets of L-shaped rods 322, distributed circumferentially, can cover the entire inner circumference of the barrel 1, avoiding blind spots in cleaning; the elasticity of the spring 323 ensures that the scraper 324 always fits tightly against the barrel wall, while buffering the contact pressure between the scraper 324 and the barrel wall, preventing scratches on the inner wall of the barrel 1; when the scraper 324 rotates synchronously with the connecting ring 321, it can scrape off the adhering viscous material in real time, reducing material waste and preventing the residual material from solidifying and affecting the purity of the product in the next production, and cleaning can be completed without disassembling the equipment.

[0035] Specifically, the feed inlet 2 includes a feed pipe 21 that is connected through the barrel 1. A geared motor 22 is fixedly installed on the side of the feed pipe 21 away from the barrel 1. A screw rod 23 is fixedly connected to the output end of the geared motor 22. A funnel 24 is connected through the outer surface of the feed pipe 21.

[0036] The effects achieved by the above components are as follows: solving the problem of clogging in the feed of viscous raw materials; the inverted frustum structure of the funnel 24 can guide the raw materials to enter the feed pipe 21 in a concentrated manner, avoiding spillage; when the geared motor 22 drives the screw rod 23 to rotate in the feed pipe 21, the blades of the screw rod 23 can continuously push the viscous raw materials forward, and the fit design between the outer wall of the screw rod 23 and the inner wall of the feed pipe 21 can scrape off the residual raw materials on the inner wall of the feed pipe 21, completely preventing the accumulation and clumping of raw materials, ensuring the continuity of feeding, and avoiding the decline in production efficiency caused by feeding interruption.

[0037] Specifically, a support rod 4 is fixedly connected to the bottom of the barrel 1, and a fixing pad 5 is fixedly connected to the bottom end of the support rod 4.

[0038] The effects achieved by the above components are as follows: four sets of support rods 4 are distributed in a rectangular shape at the four corners of the bottom of the barrel 1, which can evenly distribute the weight of the equipment and prevent the barrel 1 from tilting; the fixing pad 5 is made of non-slip rubber material, and the non-slip texture on its surface can increase the friction with the ground, prevent the equipment from shifting due to vibration during the mixing and feeding process, and the rubber material can also buffer the vibration of the equipment during operation and reduce damage to the ground.

[0039] Working principle: Place the equipment on a flat ground. The support rod 4 and the fixing pad 5 work together to ensure that the equipment is stable and does not shift. Check the sealing of the connection between the sealing cover 11 and the barrel 1 through the bolt 14 to prevent raw material leakage during stirring.

[0040] Start the geared motor 22 and feed the raw material for the polyurethane foam into the pipeline through the funnel 24. The geared motor 22 drives the screw rod 23 to rotate inside the feed pipe 21. The screw rod 23 continuously pushes the viscous raw material into the barrel 1, achieving non-clogging feeding. Start the servo motor 13. The output end of the servo motor 13 drives the first pulley 311 to rotate. On one hand, the first pulley 311 drives the second pulley 314 and the transmission rod 313 to rotate through the first belt 316. The third pulley 315 at the bottom of the transmission rod 313 drives the fourth pulley 318 and the stirring rod 33 to rotate through the second belt 317. The stirring blades 332 on the rotating rod 331 push the raw material to flow up and down, completing uniform mixing. On the other hand, the first pulley 311 simultaneously drives the bottom connecting ring 321 and the three sets of L-shaped rods 322 to rotate. The spring 323 makes the scraper 324 fit tightly against the barrel wall, scraping off the raw material remaining on the barrel wall in real time.

[0041] After the raw materials are stirred to meet the mixing requirements of the expanding foam for pipes, the servo motor 13 and the geared motor 22 are turned off, and the discharge valve at the bottom of the barrel 1 (not shown in the figure) is opened to discharge the finished product. The entire production process requires no additional cleaning steps and is highly efficient and convenient.

Claims

1. A production equipment for polyurethane foam for pipes, comprising a barrel (1), a feed inlet (2), and a stirring mechanism (3), characterized in that: The top of the barrel (1) is provided with a sealing cover (11), the sealing cover (11) is fixedly connected to the barrel (1) by bolts (14), the top of the sealing cover (11) is fixedly connected with a mounting bracket (12), the top of the mounting bracket (12) is fixedly connected with a servo motor (13), the output end of the servo motor (13) is fixedly connected with a stirring mechanism (3), and the feed port (2) is connected through to the outer wall of the barrel (1). The stirring mechanism (3) includes a transmission component (31) fixedly connected to the output end of the servo motor (13), and a cleaning component (32) and a stirring rod (33) are fixedly connected to the ends of the transmission component (31). The feed inlet (2) includes a feed pipe (21) that is connected through the barrel (1). A geared motor (22) is fixedly installed on the side surface of the feed pipe (21) away from the barrel (1). A screw rod (23) is fixedly connected to the output end of the geared motor (22). A funnel (24) is connected through the outer surface of the feed pipe (21). The cleaning component (32) includes a connecting ring (321) fixedly connected to the bottom of the first pulley (311). An L-shaped rod (322) is fixedly connected to the outer wall of the connecting ring (321). Three sets of L-shaped rods (322) are circumferentially distributed on the outer wall of the connecting ring (321). A spring (323) is fixedly connected to the surface of the three sets of L-shaped rods (322) near the inner wall of the barrel (1). A scraper (324) is fixedly connected to the end of the spring (323).

2. The production equipment for polyurethane foam for pipes according to claim 1, characterized in that: The transmission assembly (31) includes a first pulley (311) fixedly connected to the output end of the servo motor (13), a connecting block (312) fixedly connected to the outer wall of the barrel (1), a transmission rod (313) rotatably connected inside the connecting block (312), a second pulley (314) fixedly connected to the top end of the transmission rod (313), a third pulley (315) fixedly connected to the bottom end of the transmission rod (313), and a belt (316) sleeved between the first pulley (311) and the second pulley (314).

3. The production equipment for polyurethane foam for pipes according to claim 2, characterized in that: The outer surface of the third pulley (315) is fitted with a second belt (317), and the end of the second belt (317) away from the third pulley (315) is fitted with a fourth pulley (318). The stirring rod (33) is fixedly connected to the top of the fourth pulley (318).

4. The production equipment for polyurethane foam for pipes according to claim 1, characterized in that: The stirring rod (33) includes a rotating rod (331) fixedly connected to the top of the fourth pulley (318), and a stirring blade (332) is fixedly connected to the outer surface of the rotating rod (331).

5. The production equipment for polyurethane foam for pipes according to claim 1, characterized in that: A support rod (4) is fixedly connected to the bottom of the barrel (1), and a fixing pad (5) is fixedly connected to the bottom end of the support rod (4).

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