Release agent spraying device for foaming polyurethane foam
By incorporating a sealing ring and airbag pressurized discharge into the mold release agent spraying device, along with a stirring mechanism to prevent sedimentation, the problems of slow discharge and solidification during storage are solved, achieving rapid discharge and anti-sedimentation effects.
Patent Information
- Application Number
- CN202520097222.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-16
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2035-01-16
AI Technical Summary
Existing mold release agent spraying equipment suffers from problems such as slow discharge, curing, and sedimentation.
A pressure plate with a sealing ring and an air bladder are installed inside the material hopper. The air bladder expands and pressurizes to assist in material discharge. A stirring mechanism is installed inside the material hopper. A hollow shaft driven by an electric motor rotates the slide rod and stirring rod to prevent the material from solidifying and settling.
It enables rapid discharge of the release agent and prevents curing and sedimentation during storage, thereby improving the efficiency of the spraying equipment.
Smart Images

Figure CN223556253U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a spraying device field, concretely is a demoulding agent spraying device for polyurethane foam foaming. BACKGROUND
[0002] Polyurethane has excellent bonding properties with other materials, which is very disadvantageous in the production of polyurethane automobile seat foam foaming. In order to quickly and smoothly take out the formed foam product from the mold, demoulding agent must be used when the factory produces automobile seat foam.
[0003] In the utility model patent with the authorization announcement number CN217856777U, a demoulding agent spraying device for polyurethane foam foaming is disclosed, which comprises two oppositely arranged mounting racks, a mounting cabinet is arranged between the two mounting racks, a pair of stand columns are arranged in the mounting cabinet, a storage tank is arranged between the stand columns, and sleeves corresponding to the stand columns are arranged on both sides of the storage tank.
[0004] However, the existing demoulding agent spraying device has the problems of slow discharge due to the viscosity of the demoulding agent, and solidification and sedimentation during storage. Therefore, it needs to be improved. UTILITY MODEL CONTENTS
[0005] The utility model aims to provide a demoulding agent spraying device for polyurethane foam foaming, which solves the problems of slow discharge due to the viscosity of the demoulding agent when using the existing demoulding agent spraying device, and solidification and sedimentation during storage.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a demoulding agent spraying device for polyurethane foam foaming, comprising a barrel, a stirring mechanism is arranged on the inner side of the barrel, a guide cylinder is fixedly connected to the top of the barrel, a pressing plate is slidably connected to the inner side of the barrel, a feeding port is fixedly connected to the inside of the pressing plate, and the feeding port penetrates through the pressing plate, the feeding port penetrates through the guide cylinder and is slidably connected with the guide cylinder, a gas pump is fixedly installed on the right side of the barrel, the output end of the gas pump is fixedly connected with a connecting pipe, the end of the connecting pipe is connected into the barrel, the end of the connecting pipe is fixedly connected with a hose, the end of the hose is fixedly connected with an air bag, the air bag is in contact with the inner wall of the pressing plate and the barrel, and a discharge pipe is fixedly connected to the left side of the barrel.
[0007] Preferably, a rubber plug is slidably connected to the inner side of the upper end opening of the feeding port, and the rubber plug is made of rubber. The rubber plug has a plugging effect on the feeding port.
[0008] Preferably, the side edge of the pressing plate is embedded with a sealing ring in a sliding connection with the inner wall of the barrel.
[0009] Preferably, the left upper portion of the barrel is fixedly connected with a fixed block, and the discharge pipe is clamped with the fixed block. Through the setting of the fixed block, the discharge pipe has a fixing effect.
[0010] Preferably, the bottom of the barrel is fixedly connected with a base, and the bottom of the base is provided with universal wheels. Through the setting of the universal wheels, the whole is convenient to move and change position.
[0011] Preferably, the stirring mechanism comprises a motor fixedly installed at the bottom of the barrel, an output shaft of the motor penetrating through the barrel and connected with the barrel through a sealing bearing, a hollow shaft fixedly connected at the end of the output shaft, a sliding rod slidingly connected in the hollow shaft and penetrating through the hollow shaft, the top of the sliding rod abutting against the pressing plate, a spring provided in the hollow shaft, one end of the spring fixedly connected with the sliding rod, the other end of the spring fixedly connected with the inner surface of the hollow shaft, a connecting rod fixedly connected on the upper segment of the rod body of the sliding rod, a scraping strip fixedly connected at the end of the connecting rod and in contact with the inner wall of the barrel, a stirring rod fixedly connected on the middle segment of the rod body of the connecting rod, and a bifurcated rod fixedly connected on the upper rod body of the stirring rod. Through the setting of the stirring mechanism, the storage of the material in the barrel is prevented from precipitation.
[0012] Preferably, a guide block is fixedly connected on the rod body of the sliding rod and slidingly connected with the hollow shaft. Through the setting of the guide block, the relative sliding between the sliding rod and the hollow shaft is guided.
[0013] Compared with the prior art, the utility model has the advantages that:
[0014] 1、the utility model discloses a barrel with a sealing ring is set up in the barrel, then the inlet is set up on the pressing plate, in addition, a gasbag is set up above the pressing plate and is discharged by the air pump, so that in the process of coating agent discharging, the expansion of the gasbag makes the pressing plate move down, and then pressurizes the material to assist discharging, avoids the slow discharging due to the large viscosity of the material.
[0015] 2、the utility model discloses a barrel with a stirring mechanism, wherein the hollow shaft is driven to rotate by the motor, the sliding rod is driven to rotate by the hollow shaft, so that the parts including the connecting rod, the scraping strip, the stirring rod and the bifurcated rod on the sliding rod rotate synchronously, and the solidification and precipitation of the material during storage are prevented. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1The overall structure perspective view of the utility model;
[0017] Figure 2 The utility model discloses Figure 1 The internal structure schematic view of the material bucket;
[0018] Figure 3 The utility model discloses Figure 1 The front view sectional view of the utility model;
[0019] Figure 4 The utility model discloses Figure 3 The A part structure enlarged view of the utility model.
[0020] In the drawing: 1, material bucket;2, stirring mechanism;3, guide cylinder;4, pressing plate;5, inlet;6, rubber plug;7, sealing ring;8, air pump;9, connecting pipe;10, hose;11, air bag;12, discharge pipe;13, fixed block;14, base;15, universal wheel;21, motor;22, hollow shaft;23, sliding rod;24, spring;25, guide block;26, connecting rod;27, scraping strip;28, stirring rod;29, bifurcated rod. Specific implementation
[0021] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.
[0022] Please refer to Figures 1-3 A demoulding agent spraying device for polyurethane foam foaming, including material bucket 1, the top of material bucket 1 is fixedly connected with guide cylinder 3, the inside of material bucket 1 is slidably connected with pressing plate 4, the inside of pressing plate 4 is fixedly connected with inlet 5, and inlet 5 is arranged through pressing plate 4, inlet 5 is connected through guide cylinder 3 and is slidably connected with guide cylinder 3, the right side of material bucket 1 is fixedly installed with air pump 8, the output end of air pump 8 is fixedly connected with connecting pipe 9, the end of connecting pipe 9 is connected into material bucket 1, the end of connecting pipe 9 is fixedly connected with hose 10, the end of hose 10 is fixedly connected with air bag 11, air bag 11 is in contact with the inner wall of pressing plate 4 and material bucket 1, and the left side of material bucket 1 is fixedly connected with discharge pipe 12.
[0023] Please refer to Figures 1-3The upper end opening of the feeding inlet 5 is slidably connected with a rubber plug 6 on the inside, and the rubber plug 6 is made of rubber. The rubber plug 6 is arranged to block the feeding inlet 5. The side edge of the pressing plate 4 is embedded with a sealing ring 7, and the sealing ring 7 is slidably connected with the inner wall of the material barrel 1. The sealing ring 7 is arranged to increase the sealing performance between the pressing plate 4 and the material barrel 1. The left upper portion of the material barrel 1 is fixedly connected with a fixed block 13, and the discharging pipe 12 is clamped with the fixed block 13. The fixed block 13 is arranged to fix the discharging pipe 12. The bottom of the material barrel 1 is fixedly connected with a base 14, and the bottom of the base 14 is provided with universal wheels 15. The universal wheels 15 are arranged to facilitate the overall movement.
[0024] Please refer to Figures 3-4 The inside of the material barrel 1 is provided with a stirring mechanism 2. The stirring mechanism 2 is arranged to prevent the material from depositing in the material barrel 1. The stirring mechanism 2 comprises a motor 21 fixedly installed at the bottom of the material barrel 1. The output shaft of the motor 21 penetrates through the material barrel 1 and is connected with the material barrel 1 through a sealing bearing. The end of the output shaft is fixedly connected with a hollow shaft 22. The inside of the hollow shaft 22 is slidably connected with a sliding rod 23, and the sliding rod 23 penetrates through the hollow shaft 22. The top of the sliding rod 23 abuts against the pressing plate 4. The inside of the hollow shaft 22 is provided with a spring 24. One end of the spring 24 is fixedly connected with the sliding rod 23, and the other end of the spring 24 is fixedly connected with the inner surface of the hollow shaft 22. The rod body upper segment of the sliding rod 23 is fixedly connected with a connecting rod 26. The end of the connecting rod 26 is fixedly connected with a scraping strip 27, and the scraping strip 27 abuts against the inner wall of the material barrel 1. The rod body middle segment of the connecting rod 26 is fixedly connected with a stirring rod 28. The rod body upper portion of the stirring rod 28 is fixedly connected with a bifurcated rod 29. The rod body upper portion of the sliding rod 23 is fixedly connected with a guide block 25, and the guide block 25 slidably connects with the hollow shaft 22. The guide block 25 is arranged to guide the relative sliding between the sliding rod 23 and the hollow shaft 22.
[0025] The specific implementation process of the utility model is as follows: in use, the material is added into the material barrel 1 through the feeding inlet 5 for storage. When discharging, the discharging pipe 12 is removed from the fixed block 13, then the air pump 8 is used to inject air into the air bag 11, the air bag 11 is inflated, the pressing plate 4 is lowered by the inflation of the air bag 11, and then the material is discharged under pressure, so that the slow discharging caused by the large viscosity of the material is avoided. In addition, the motor 21 drives the hollow shaft 22 to rotate, the hollow shaft 22 drives the sliding rod 23 to rotate, so that the components including the connecting rod 26, the scraping strip 27, the stirring rod 28 and the bifurcated rod 29 on the sliding rod 23 rotate synchronously, and the solidification and deposition of the material during storage are prevented.
[0026] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A release agent spraying device for polyurethane foam foaming, comprising a material tank (1), characterized in that: A stirring mechanism (2) is provided on the inner side of the material bucket (1). A guide cylinder (3) is fixedly connected to the top of the material bucket (1). A pressure plate (4) is slidably connected to the inner side of the material bucket (1). An inlet (5) is fixedly connected inside the pressure plate (4) and passes through the pressure plate (4). The inlet (5) passes through the guide cylinder (3) and is slidably connected to the guide cylinder (3). An air pump (8) is fixedly installed on the right side of the material bucket (1). A connecting pipe (9) is fixedly connected to the output end of the air pump (8). The end of the connecting pipe (9) is connected to the material bucket (1). A hose (10) is fixedly connected to the end of the connecting pipe (9). An air bag (11) is fixedly connected to the end of the hose (10). The air bag (11) is in contact with both the pressure plate (4) and the inner wall of the material bucket (1). A discharge pipe (12) is fixedly connected to the left side of the material bucket (1).
2. The release agent spraying device for polyurethane foam blowing according to claim 1, characterized in that: A rubber plug (6) is slidably connected to the inner side of the upper opening of the feed port (5), and the rubber plug (6) is made of rubber.
3. The release agent spraying device for polyurethane foam blowing according to claim 1, characterized in that: A sealing ring (7) is embedded in the side of the pressure plate (4), and the sealing ring (7) is slidably connected to the inner wall of the material barrel (1).
4. The release agent spraying device for polyurethane foam blowing according to claim 1, characterized in that: A fixing block (13) is fixedly connected to the upper left side of the material bucket (1), and the discharge pipe (12) is snapped into the fixing block (13).
5. The release agent spraying device for polyurethane foam blowing according to claim 1, characterized in that: The bottom of the material bucket (1) is fixedly connected to a base (14), and the bottom of the base (14) is equipped with casters (15).
6. The release agent spraying device for polyurethane foam blowing according to claim 1, characterized in that: The stirring mechanism (2) includes a motor (21) fixedly installed at the bottom of the material bucket (1). The output shaft of the motor (21) passes through the material bucket (1) and is connected to the material bucket (1) through a sealed bearing. A hollow shaft (22) is fixedly connected to the end of the output shaft. A slide rod (23) is slidably connected inside the hollow shaft (22), and the slide rod (23) passes through the hollow shaft (22). The top of the slide rod (23) abuts against the pressure plate (4). A spring (24) is provided inside the hollow shaft (22). One end of the spring (24) is fixedly connected to the slide rod (23), and the other end of the spring (24) is fixedly connected to the inner surface of the hollow shaft (22). A connecting rod (26) is fixedly connected to the upper section of the slide rod (23), and a scraper (27) is fixedly connected to the end of the connecting rod (26), and the scraper (27) contacts the inner wall of the material bucket (1). A stirring rod (28) is fixedly connected to the middle section of the connecting rod (26), and a forked rod (29) is fixedly connected to the stirring rod (28).
7. The release agent spraying device for polyurethane foam blowing according to claim 6, characterized in that: A guide block (25) is fixedly connected to the body of the slide rod (23), and the guide block (25) is slidably connected to the hollow shaft (22).
Citation Information
Patent Citations
Release agent spraying device for foaming polyurethane foam
CN217856777U