Polyurethane foaming production equipment for coating processing
By introducing a uniform mechanism of gear rack and gear ring meshing and a metering pump system into the polyurethane foaming equipment, the problems of uneven mixing and low output efficiency are solved, the foaming quality and equipment life are improved, and the uniformity of material mixing and the accuracy of output are achieved.
Patent Information
- Application Number
- CN202422644701.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-31
- Publication Date
- 2025-09-12
- Estimated Expiration
- 2034-10-31
AI Technical Summary
Existing civilian polyurethane foaming equipment is prone to uneven mixing of the main material and auxiliary material due to insufficient stirring during operation, which increases the foaming time and reduces the foaming quality. In addition, the output pump has low efficiency and shortens its life.
The uniform mechanism of gear rack and gear ring meshing, combined with the design of stirring wheel and rotating shaft, realizes efficient stirring; the proportion of raw materials is controlled by metering pump, and equipped with air pressure input and output control system to ensure uniform material mixing and accurate output.
It improves the mixing efficiency, ensures the foaming quality, extends the equipment life, reduces the high load state of the output pump, and realizes the precise control and efficient output of materials.
Smart Images

Figure CN223326811U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of polyurethane, and in particular relates to polyurethane foaming production equipment for coating processing. Background Art
[0002] Polyurethane foaming is a chemical process that converts polyurethane raw materials into foam-like materials. This foam has good thermal insulation, heat insulation and sound insulation properties, and is therefore widely used in construction, furniture, automobiles, electrical appliances and other fields.
[0003] Existing civilian polyurethane foaming equipment is very likely to cause uneven mixing of the main material and auxiliary material due to insufficient stirring during operation. During use, it will cause problems such as increased foaming time and reduced foaming quality. In addition, most of them adopt output pumps for output. Because the paint is relatively viscous, when using output pumps for output, the output efficiency of the pump is low, and the output pump will be in a high-load state for a long time, resulting in a shortened pump life. Therefore, a polyurethane foam production equipment for paint processing is proposed to solve the above problems. Utility Model Content
[0004] The utility model provides a polyurethane foaming production equipment for coating processing, which solves the problem in the related art that the existing civilian polyurethane foaming equipment is very likely to cause uneven mixing of the main material and the auxiliary material due to insufficient stirring during operation, which will cause the foaming time to increase and the foaming quality to decrease during use.
[0005] The technical solution of the utility model is as follows: A polyurethane foam production equipment for coating processing, comprising: a uniform mechanism, a barrel body and a raw material barrel; characterized in that the uniform mechanism includes a barrel cover, the interior of the barrel cover is rotatably connected to a gear rack, the end of the gear rack is rotatably connected to a gear, the inner wall of the barrel cover is provided with a gear ring, and the gear and the gear ring are meshed with each other;
[0006] A stirring tube is fixedly connected to the center of the lower surface of the gear frame, a rotating shaft is rotatably connected to the lower surface of the gear, the rotating shaft passes through the gear frame and is connected to the gear, and a stirring wheel is fixedly connected to the outer surface of the rotating shaft;
[0007] The upper surface of the barrel cover is fixedly connected to a motor, the output end of the motor is fixedly connected to the upper surface of the gear rack, the raw material barrel is connected to the barrel body through a pipeline, and the interior of the barrel cover is fixedly connected to an air pressure input pipe.
[0008] Preferably, the output end of the motor passes through the barrel cover and is fixedly connected to the center position of the upper surface of the gear rack.
[0009] By using the above technical solution, the motor drives the gear rack to rotate, thereby driving the gear to rotate, and then the stirring wheel rotates to perform a stirring action.
[0010] Preferably, a metering pump is fixedly connected to the upper surface of the raw material barrel, a delivery pipe is inserted into the interior of the raw material barrel, the delivery pipe is pumped out by the metering pump, the outer surface of the other end of the delivery pipe is sleeved with a pipe sleeve, the inner wall of the pipe sleeve is threadedly connected to an input port, the input port is arranged on the upper surface of the barrel cover, and a sealing ring is inserted into the inner wall of the connection between the pipe sleeve and the input port.
[0011] By adopting the above technical solution, the metering pump can accurately control the pump-out ratio when pumping into the barrel.
[0012] Preferably, the outer surface of the barrel cover is fixedly connected to a fastening block, the outer surface of the barrel body is fixedly connected to a buckle, the outer side of the barrel body is rotatably connected to a closing wrench, the inner side of the closing wrench is rotatably connected to a tight sleeve, and the other end of the closing wrench is provided with a cylindrical rod corresponding to the buckle.
[0013] By adopting the above technical solution, the barrel cover and the barrel body can be closed more conveniently.
[0014] Preferably, the bottom of the barrel body is fixedly connected to an output tube, the outer wall of the output tube is fixedly connected to a handle, the other end of the output tube is fixedly connected to a valve, the other side of the valve is fixedly connected to an output port, and the output port and the output tube are communicated with each other.
[0015] By adopting the above technical solution, the valve can control the output speed during output.
[0016] Preferably, the side branches of the stirring tube and the stirring wheels are staggered with each other, and the number of the stirring wheels is four groups, with three in each group.
[0017] By adopting the above technical solution, collision between the stirring tube and the stirring wheel can be avoided.
[0018] The working principle and beneficial effects of the utility model are as follows:
[0019] 1. Through the meshing setting of the gear rack and the gear ring, the rotating shaft can rotate along the gear ring while itself can also rotate at high speed, thereby improving the stirring efficiency of the liquid inside the barrel. Through the setting of the stirring tube, the internal liquid and stirring efficiency are further improved.
[0020] 2. Through the setting of the metering pump, the pumping ratio of different raw materials can be more accurately controlled when pumping in raw materials, making the raw material ratio inside the barrel more accurate. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.
[0022] Figure 1This is a schematic diagram of the three-dimensional structure proposed by the utility model;
[0023] Figure 2 This is a schematic diagram of the three-dimensional structure as viewed from above proposed by the utility model;
[0024] Figure 3 This is a schematic diagram of the three-dimensional structure of the uniform mechanism proposed in the utility model;
[0025] Figure 4 This is a schematic diagram of the cross-sectional structure of the pipe sleeve proposed in the utility model;
[0026] Figure 5 This is a rear view structural diagram of the utility model.
[0027] In the figure: 1. uniform mechanism; 101. barrel cover; 102. gear ring; 103. gear; 104. gear rack; 105. rotating shaft; 106. stirring wheel; 107. stirring tube; 2. motor; 3. raw material barrel; 4. metering pump; 5. conveying pipeline; 6. closing wrench; 7. pipe sleeve; 8. input port; 9. sealing ring; 10. buckle; 11. air pressure input pipe; 12. output pipe; 13. handle; 14. output port; 15. valve; 16. tight sleeve; 17. fastening block. DETAILED DESCRIPTION
[0028] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0029] Implementation Method
[0030] See also Figures 1 to 5 A polyurethane foam production device for coating processing includes: a uniform mechanism 1, a barrel body 18 and a raw material barrel 3: the uniform mechanism 1 includes a barrel cover 101, the inner part of the barrel cover 101 is rotatably connected to a gear rack 104, the end of the gear rack 104 is rotatably connected to a gear 103, the inner wall of the barrel cover 101 is provided with a ring gear 102, and the gear 103 and the ring gear 102 are meshed with each other;
[0031] A stirring tube 107 is fixedly connected to the center of the lower surface of the gear frame 104. A rotating shaft 105 is rotatably connected to the lower surface of the gear 103. The rotating shaft 105 passes through the gear frame 104 and is connected to the gear 103. A stirring wheel 106 is fixedly connected to the outer surface of the rotating shaft 105.
[0032] The upper surface of the barrel cover 101 is fixedly connected to the motor 2, the output end of the motor 2 is fixedly connected to the upper surface of the gear rack 104, the raw material barrel 3 is connected to the barrel body 18 through a pipeline, and the inside of the barrel cover 101 is fixedly connected to the air pressure input pipe 11.
[0033] The technical solution provided by this embodiment is as follows: first, the air pressure input pipe 11 is connected to the air pressure source, and then the closing wrench 6 is moved downward to tightly close the barrel cover 101 and the barrel body 18, and then the pipe sleeve 7 on the outer surface of the conveying pipe 5 is connected to the thread on the input port 8, and then the metering pump 4 is started to pump the material in the raw material barrel 3 into the barrel body 18, and then the motor 2 is started, and the motor 2 drives the gear rack 104 to rotate, and the gear rack 104 drives the gear 103 to rotate, and the gear 103 and the ring gear 102 are engaged, so that the gear 102 rotates around the gear rack 104 while rotating at high speed and driving the stirring wheel 106 to rotate at high speed. The stirring pipe 107 is also driven by the gear rack 104 and the stirring wheel 106 to stir the material in the barrel together, and the main material and the auxiliary material are fully stirred, so that the several materials contained in the polyurethane foaming stock solution are fully mixed. At this time, the polyurethane foaming stock solution is prepared, and then the output of the polyurethane foaming stock solution is controlled by the valve 15, and the stock solution is output through the output port 14.
[0034] Furthermore, the output end of the motor 2 passes through the barrel cover 101 and is fixedly connected to the center position of the upper surface of the gear rack 104.
[0035] Specifically, the gear rack 104 is connected to the motor 2 so that the ring gear 102 and the gear 103 form a planetary gear set, so that the gear 103 itself has a relatively high rotation speed.
[0036] Furthermore, a metering pump 4 is fixedly connected to the upper surface of the raw material barrel 3, and a delivery pipe 5 is inserted into the interior of the raw material barrel 3. The delivery pipe 5 is pumped out by the metering pump 4. The outer surface of the other end of the delivery pipe 5 is sleeved with a pipe sleeve 7, and the inner wall of the pipe sleeve 7 is threadedly connected to an input port 8. The input port 8 is set on the upper surface of the barrel cover 101, and a sealing ring 9 is inserted into the inner wall of the connection between the pipe sleeve 7 and the input port 8.
[0037] Specifically, the threaded connection between the pipe sleeve 7 and the input port 8 avoids leakage caused by a loose connection.
[0038] Furthermore, the outer surface of the barrel cover 101 is fixedly connected to a fastening block 17, the outer surface of the barrel body 18 is fixedly connected to a buckle 10, the outer portion of the barrel body 18 is rotatably connected to a closing wrench 6, the inner portion of the closing wrench 6 is rotatably connected to a tight sleeve 16, and the other end of the closing wrench 6 is provided with a cylindrical rod corresponding to the buckle 10.
[0039] Specifically, the barrel body 18 and the barrel cover 101 can be more conveniently closed by tightening the wrench 6.
[0040] Furthermore, the bottom of the barrel body 18 is fixedly connected to the output pipe 12, the outer wall of the output pipe 12 is fixedly connected to the handle 13, the other end of the output pipe 12 is fixedly connected to the valve 15, the other side of the valve 15 is fixedly connected to the output port 14, and the output port 14 is connected to the output pipe 12.
[0041] Specifically, the output of the material inside the barrel body 18 is more controllable.
[0042] Furthermore, the side branches of the stirring tube 107 and the stirring wheels 106 are arranged in a staggered manner, and the number of the stirring wheels 106 is four groups, with three in each group.
[0043] Specifically, avoid collision between the two during movement.
[0044] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A polyurethane foam production equipment for coating processing, comprising a uniform mechanism (1), a barrel body (18) and a raw material barrel (3): characterized in that, The uniform mechanism (1) comprises a barrel cover (101), the barrel cover (101) is rotatably connected to a gear rack (104) inside, the end of the gear rack (104) is rotatably connected to a gear (103), the inner wall of the barrel cover (101) is provided with a gear ring (102), and the gear (103) and the gear ring (102) are meshed with each other; A stirring tube (107) is fixedly connected to the center of the lower surface of the gear frame (104), a rotating shaft (105) is rotatably connected to the lower surface of the gear (103), the rotating shaft (105) passes through the gear frame (104) and is connected to the gear (103), and a stirring wheel (106) is fixedly connected to the outer surface of the rotating shaft (105); The upper surface of the barrel cover (101) is fixedly connected to a motor (2), the output end of the motor (2) is fixedly connected to the upper surface of the gear rack (104), the raw material barrel (3) is connected to the barrel body (18) through a pipeline, and the interior of the barrel cover (101) is fixedly connected to an air pressure input pipe (11).
2. The polyurethane foaming production equipment for coating processing according to claim 1, characterized in that: The output end of the motor (2) passes through the barrel cover (101) and is fixedly connected to the center position of the upper surface of the gear rack (104).
3. The polyurethane foaming production equipment for coating processing according to claim 1, characterized in that: The upper surface of the raw material barrel (3) is fixedly connected to a metering pump (4), and a delivery pipe (5) is inserted into the interior of the raw material barrel (3). The delivery pipe (5) is pumped out by the metering pump (4). The outer surface of the other end of the delivery pipe (5) is sleeved with a pipe sleeve (7), and the inner wall of the pipe sleeve (7) is threadedly connected to an input port (8). The input port (8) is arranged on the upper surface of the barrel cover (101), and a sealing ring (9) is inserted into the inner wall of the connection between the pipe sleeve (7) and the input port (8).
4. The polyurethane foaming production equipment for coating processing according to claim 1, characterized in that: The outer surface of the barrel cover (101) is fixedly connected to a fastening block (17), the outer surface of the barrel body (18) is fixedly connected to a buckle (10), the outer portion of the barrel body (18) is rotatably connected to a closing wrench (6), the inner portion of the closing wrench (6) is rotatably connected to a tight sleeve (16), and the other end of the closing wrench (6) is provided with a cylindrical rod corresponding to the buckle (10).
5. The polyurethane foaming production equipment for coating processing according to claim 1, characterized in that: The bottom of the barrel body (18) is fixedly connected to an output pipe (12), the outer wall of the output pipe (12) is fixedly connected to a handle (13), the other end of the output pipe (12) is fixedly connected to a valve (15), the other side of the valve (15) is fixedly connected to an output port (14), and the output port (14) and the output pipe (12) are in communication with each other.
6. The polyurethane foaming production equipment for coating processing according to claim 1, characterized in that: The side branches of the stirring tube (107) and the stirring wheels (106) are arranged in a staggered manner, and the number of stirring wheels (106) is four groups, with three in each group.