Polyurethane foaming equipment
By adopting circulating stirring technology in polyurethane foaming equipment, the feed screw and lift pipe are used to circulate raw materials into the stirring rod, which solves the problem of uneven stirring in existing equipment, resulting in powder residue, and achieves a more efficient stirring and foaming effect.
Patent Information
- Application Number
- CN202421638935.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-11
- Publication Date
- 2025-05-06
- Estimated Expiration
- 2034-07-11
AI Technical Summary
During the stirring process, existing polyurethane foaming equipment is doped with powder in the mixture due to insufficient impact force of the liquid and uneven stirring, which requires an increase in the stirring time to be removed, which affects the foaming efficiency.
A polyurethane foaming equipment including a cylinder, agitating assembly and acirculating assembly is designed. The raw materials deposited at the bottom are input into the circulation pipeline through the feed screw, and then lifted through the lifting pipe and sprayed into the mixing rod for stirring again to break up the powder ball and improve the stirring efficiency.
Through the circulating stirring technology, the powder ball can be effectively dissipated, significantly improve the stirring efficiency, reduce the stirring time, and improve the working efficiency of the foaming equipment.
Smart Images

Figure CN222832220U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of foaming equipment, and specifically relates to polyurethane foaming equipment. Background Art
[0002] At present, the existing polyurethane foaming equipment is carried out in a stirring foaming cylinder. The raw materials are added into the stirring barrel, heated and stirred, and then the raw materials are foamed and extruded. There is a problem with the existing polyurethane foaming equipment. When the raw materials and liquid are added for stirring, due to the impact of the liquid and the inadequate stirring, powder lumps will be mixed into the mixture. Due to the existence of powder lumps, it is necessary to increase the stirring time to completely remove them. In order to increase the foaming efficiency, this solution was created in view of this. Utility Model Content
[0003] In view of the deficiencies in the prior art, the technical problem to be solved by the utility model is to provide a polyurethane foaming device which can perform cyclic stirring.
[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is: a polyurethane foaming equipment, including a cylinder, a stirring assembly and a circulation assembly, the stirring assembly including a stirring rod, the lower end of the cylinder body has a mounting frame, one end of the stirring rod is rotatably connected to the middle of the mounting frame, and the other end of the stirring rod is rotatably connected to the middle of the upper end of the cylinder body, the circulation assembly includes a circulation pipeline, the circulation pipeline includes a transverse tube and a lifting tube, the transverse tube is connected to the outer side of the lower end of the cylinder body and is connected, one end of the lifting tube is connected to one end of the transverse tube, and the other end of the lifting tube is connected to the upper side of the cylinder body and is connected, a feeding screw is arranged in the transverse tube, one end of the feeding screw is rotatably connected to the side wall of the end of the transverse tube, and the other end of the feeding screw passes through the inner cavity of the cylinder body and is rotatably connected to the inner wall of the cylinder body.
[0005] Furthermore, the mounting frame includes a mounting plate and a plurality of connecting rods, the plurality of connecting rods are arranged in an annular manner along the mounting plate, and two ends of the connecting rods are fixedly connected to the circumference of the mounting plate and the inner wall of the cylinder respectively.
[0006] Furthermore, the stirring rod comprises a rod body and a plurality of blade rods, the plurality of blade rods are connected to the circumference of the rod body and are arranged at intervals up and down, and a stirring column extending downward is formed on the circumference of the blade rod.
[0007] Furthermore, the foaming equipment also includes an operating platform, a mounting hole is formed in the middle of the operating platform, the cylinder passes through the mounting hole and is fixedly connected to the operating platform, an upper bearing platform is formed on the circumferential surface of the upper end of the cylinder, and a ladder is arranged between the upper bearing platform and the operating platform.
[0008] Furthermore, the side wall of the cylinder is provided with an air outlet management, the upper end of the cylinder is provided with a feed pipe, and the lower end of the cylinder is provided with a feed pipe.
[0009] Furthermore, the foaming equipment also includes two pairs of rolling rollers, which are located in the cylinder and are spaced apart, and the outlet of the lifting pipe faces between the two pairs of rolling rollers.
[0010] Furthermore, the barrel includes an installation chamber, a feeding chamber and a stirring chamber, a baffle plate is provided between the installation chamber and the feeding chamber, the stirring chamber is located below the installation chamber and the feeding chamber, the installation chamber and the feeding chamber are connected with the stirring chamber, and the pair of rolling rollers are located in the installation chamber.
[0011] Furthermore, a through hole is formed on the blocking plate, and the rod body of the stirring rod passes through the through hole.
[0012] Compared with the prior art, the utility model has the following beneficial effects:
[0013] In the utility model, when the raw materials and the liquid enter the guide cylinder, the stirring rod starts to stir. After stirring for 30 minutes, the feeding screw starts to rotate, and the raw materials deposited at the bottom are input into the circulation pipeline, enter from the horizontal pipe, and then are lifted through the lifting pipe. The raw materials are sprayed into the cylinder again from above the stirring rod for circulation stirring. Then, the stirring can break up the dough with great efficiency and improve the stirring efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0015] Figure 2 This is a schematic cross-sectional view of the structure of Embodiment 1 of the present utility model;
[0016] Figure 3 This is a schematic cross-sectional view of Example 2 of the utility model.
[0017] Markings in the figure: 1. Cylinder; 11. Installation chamber; 12. Feed chamber; 13. Stirring chamber; 14. Baffle plate; 15. Mounting frame; 2. Stirring rod; 21. Rod body; 22. Blade rod; 23. Stirring column; 3. Operating platform; 31. Carrying platform; 4. Circulation assembly; 41. Horizontal tube; 42. Lifting tube; 43. Feed screw. DETAILED DESCRIPTION
[0018] In order to make the above features and advantages of the present invention more obvious and understandable, embodiments are given below with reference to the accompanying drawings for detailed description as follows.
[0019] Example 1
[0020] like Figure 1-Figure 2As shown, this embodiment provides a polyurethane foaming device, including a cylinder 1, a stirring component, an operating platform 3 and a circulation component 4.
[0021] A mounting hole is formed in the middle of the operating platform 3 , the cylinder 1 passes through the mounting hole and is fixedly connected to the operating platform 3 , an upper bearing platform 31 is formed on the circumferential surface of the upper end of the cylinder 1 , and a ladder is provided between the upper bearing platform 31 and the operating platform 3 .
[0022] The side wall of the cylinder 1 is provided with an air outlet management, the upper end of the cylinder 1 is provided with a feed pipe, and the lower end of the cylinder 1 is provided with a feed pipe. The lower end of the cylinder 1 is provided with a mounting frame 15, one end of the stirring rod 2 is rotatably connected to the middle of the mounting frame 15, and the other end of the stirring rod 2 is rotatably connected to the middle of the upper end of the cylinder 1. Specifically, the mounting frame 15 includes a mounting plate and four connecting rods, and the four connecting rods are arranged at annular intervals along the mounting plate, and the two ends of the connecting rods are respectively fixedly connected to the circumference of the mounting plate and the inner wall of the cylinder 1. The stirring rod 2 includes a rod body 21 and three groups of blade rods 22. The three groups of blade rods 22 are connected to the circumference of the rod body 21 and are arranged at intervals up and down. The circumference of the blade rod 22 is formed with a stirring column 23 extending downward.
[0023] The circulation pipeline includes a transverse pipe 41 and a lifting pipe 42. The transverse pipe 41 is connected to the outer side of the lower end of the cylinder 1 and is connected. One end of the lifting pipe 42 is connected to one end of the transverse pipe 41, and the other end of the lifting pipe 42 is connected to the upper side of the cylinder 1 and is connected. A feeding screw 43 is arranged in the transverse pipe 41. One end of the feeding screw 43 is rotatably connected to the side wall of the end of the transverse pipe 41, and the other end of the feeding screw 43 passes through the inner cavity of the cylinder 1 and is rotatably connected to the inner wall of the cylinder 1. The end of the feeding screw 43 located at one transverse end extends out of the transverse pipe 41 and is driven by a motor.
[0024] Working principle: When the raw materials and liquid enter the guide barrel 1, the stirring rod 2 starts to stir. After stirring for 30 minutes, the feed screw 43 starts to rotate, and the raw materials deposited at the bottom are input into the circulation pipeline, enter from the horizontal pipe 41, and then are lifted through the lifting pipe 42. The raw materials are sprayed into the barrel 1 again from above the stirring rod 2 for circulation stirring. Then the stirring can break up the dough with great efficiency and improve the stirring efficiency.
[0025] Example 2
[0026] like Figure 1-Figure 3As shown, the difference between this embodiment and the experiment 1 is that the foaming device further includes two pairs of rollers, the two pairs of rollers are located in the cylinder 1 and are spaced apart, and the outlet of the lifting pipe 42 faces between the two pairs of rollers. Specifically, the cylinder 1 includes an installation chamber 11, a feeding chamber 12 and a stirring chamber 13, and a baffle plate 14 is provided between the installation chamber 11 and the feeding chamber 12. A through hole is formed on the baffle plate 14, and the rod body 21 of the stirring rod 2 passes through the through hole. The stirring chamber 13 is located below the installation chamber 11 and the feeding chamber 12, and the installation chamber 11 and the feeding chamber 12 are connected with the stirring chamber 13, and the pairs of rollers are located in the installation chamber 11.
[0027] Working principle: When the raw material and the liquid enter the guide barrel 1, the stirring rod 2 starts to stir. After stirring for 30 minutes, the feed screw 43 starts to rotate, and the raw material deposited at the bottom is input into the circulation pipeline, enters from the horizontal pipe 41, and then is lifted through the lifting pipe 42. The raw material is discharged from between the two grinding rollers for grinding, which can completely crush the powder in the raw material, and finally enters the stirring chamber 13 for stirring by the stirring rod 2. Therefore, the setting can further improve the stirring efficiency compared with Example 1.
[0028] The above shows and describes the basic principles and main features of the invention and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the invention, the utility model may have various changes and improvements, which shall fall within the scope of the utility model to be protected. The scope of protection of the utility model shall be defined by the attached claims and their equivalents.
Claims
1. A polyurethane foaming device, characterized in that: It includes a barrel, a stirring assembly and a circulation assembly, the stirring assembly includes a stirring rod, the lower end of the barrel is provided with a mounting frame, one end of the stirring rod is rotatably connected to the middle of the mounting frame, the other end of the stirring rod is rotatably connected to the middle of the upper end of the barrel, the circulation assembly includes a circulation pipeline, the circulation pipeline includes a transverse tube and a lifting tube, the transverse tube is connected to the outer side of the lower end of the barrel and is connected, one end of the lifting tube is connected to one end of the transverse tube, the other end of the lifting tube is connected to the upper side of the barrel and is connected, a feeding screw is arranged in the transverse tube, one end of the feeding screw is rotatably connected to the side wall of the end of the transverse tube, and the other end of the feeding screw passes through the inner cavity of the barrel and is rotatably connected to the inner wall of the barrel.
2. A polyurethane foaming device according to claim 1, characterized in that: The mounting frame comprises a mounting plate and a plurality of connecting rods, wherein the plurality of connecting rods are arranged in an annular manner along the mounting plate, and two ends of the connecting rods are respectively fixedly connected to the peripheral surface of the mounting plate and the inner side wall of the cylinder.
3. A polyurethane foaming device according to claim 1, characterized in that: The stirring rod comprises a rod body and a plurality of blade rods, wherein the plurality of blade rods are connected to the circumference of the rod body and are arranged at intervals up and down, and a stirring column extending downward is formed on the circumference of the blade rod.
4. A polyurethane foaming device according to claim 1, characterized in that: The foaming equipment also includes an operating platform, a mounting hole is formed in the middle of the operating platform, the cylinder passes through the mounting hole and is fixedly connected to the operating platform, an upper bearing platform is formed on the circumferential surface of the upper end of the cylinder, and a ladder is arranged between the upper bearing platform and the operating platform.
5. A polyurethane foaming device according to claim 1, characterized in that: The side wall of the cylinder is provided with an air outlet pipe, the upper end of the cylinder is provided with a feed pipe, and the lower end of the cylinder is provided with a feed pipe.
6. A polyurethane foaming device according to claim 2, characterized in that: The foaming equipment also includes two pairs of rolling rollers, which are located in the cylinder and are spaced apart, and the outlet of the lifting pipe faces between the two pairs of rolling rollers.
7. A polyurethane foaming device according to claim 6, characterized in that: The barrel includes an installation chamber, a feeding chamber and a stirring chamber, a baffle plate is provided between the installation chamber and the feeding chamber, the stirring chamber is located below the installation chamber and the feeding chamber, the installation chamber and the feeding chamber are connected with the stirring chamber, and the pair of rolling rollers are located in the installation chamber.
8. A polyurethane foaming device according to claim 7, characterized in that: A through hole is formed on the blocking plate, and the rod body of the stirring rod passes through the through hole.