Polyurethane raw material preparation stirring device
By designing a polyurethane raw material preparation and stirring device that can adjust the filter plate hole slot and vibration silo, the problem that existing devices cannot adjust the hole slot size is solved, and the product quality and loading speed are improved.
Patent Information
- Application Number
- CN202422551541.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-22
- Publication Date
- 2025-08-15
- Estimated Expiration
- 2034-10-22
AI Technical Summary
The size of the filter plate hole slots of the existing polyurethane raw material preparation and stirring device is fixed, and cannot be adjusted according to the required particle size, resulting in more impurities in the polyurethane raw material and poor product quality.
A filter mechanism that can adjust the size of the filter plate hole slot is designed. The scraper is driven to rotate through the agitating shaft and the card slot structure is combined with the card slot structure to achieve accurate filtration of polyurethane raw materials, and avoid blockage through the vibrating silo, which increases the loading speed.
The filter plate hole slot is adjusted according to the required particle size, which improves the filtration effect of polyurethane raw materials and the quality of mixed products, while avoiding silo blockage and improving feeding speed.
Smart Images

Figure CN223223654U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of polyurethane raw material preparation, in particular to a polyurethane raw material preparation stirring device. Background Art
[0002] One of the main raw materials of polyurethane thermal insulation material is polyurethane rigid foam combined polyether. Polyurethane rigid foam combined polyether is also called white material, and together with polymerized MDI it is collectively called black and white material. It is suitable for various occasions requiring thermal insulation, such as building insulation, solar energy, water heaters, cold storage, constant temperature storage, beer cans, refrigeration, etc.
[0003] However, in the prior art, due to the polyurethane raw material preparation stirring device, the hole slot size of most filter plates is fixed and difficult to replace, and the polyurethane raw material cannot be filtered according to the required particle size, resulting in more impurities in the polyurethane raw material and poor product quality. Utility Model Content
[0004] The purpose of the utility model is to provide a polyurethane raw material preparation stirring device to solve the problems raised in the above background technology.
[0005] In order to solve the above technical problems, the technical solution of the present utility model is a polyurethane raw material preparation stirring device, comprising a main body, a first motor is provided at the bottom end of the main body, a valve is provided at the front and bottom of the main body, a stirring shaft is provided inside the main body, and a filtering mechanism is provided inside the main body near the top;
[0006] The filtering mechanism includes a temporary storage box and a filter plate. A sealing cover is provided on the upper end of the main body. A feeding port is provided on the sealing cover. A feeding mechanism is provided on the surface of the sealing cover and above the feeding port.
[0007] As a further solution of the present invention: several groups of card plates are equidistantly arranged on the inner wall of the temporary storage box and at the bottom position, several groups of card slots that fit with the card plates are equidistantly opened at the edge position of the filter plate, a shaft sleeve is provided in the middle position of the filter plate, a vertical groove is provided on the outer wall of the stirring shaft and at the top position, and a scraper is provided on the top of the stirring shaft through the vertical groove.
[0008] As a further solution of the present invention: a rotating shaft is provided between the bottom of the scraper and the inner side wall of the vertical groove, the scraper is rotatably arranged inside the vertical groove through the rotating shaft, the filter plate is arranged at the bottom of the temporary storage box through a card slot and a card plate, and a plurality of filter holes are opened on the filter plate.
[0009] As a further solution of the present invention: the feeding mechanism includes a hopper and a support plate, a bracket is provided on one side of the support plate, a horizontal axis is provided inside the bracket, a knocking plate is provided on the bracket through the horizontal axis, and a second motor is provided on one side of the bracket.
[0010] As a further solution of the present invention: the support plate is mounted on the feeding port, the silo is arranged directly above the feeding port through the support plate, the rotating shaft of the second motor is fixedly connected to one end of the horizontal axis, and the knocking plate is arranged on one side of the silo through the horizontal axis to cooperate with the second motor to rotate.
[0011] As a further solution of the present invention: the rotating shaft of the first motor is fixedly connected to the bottom end of the stirring shaft, and the stirring shaft and the sealing cover are movably sleeved.
[0012] The above technical solution is adopted: the shaft sleeve provided on the filter plate is set on the stirring shaft, which is moved downward along the stirring shaft to the inside of the temporary storage box, and the card slot opened on the edge of the filter plate is set on the corresponding card plate, the scraper is unfolded from the inside of the vertical groove, and then the sealing cover is covered on the main body. The polyurethane raw material is added to the temporary storage box inside the main body through the feeding port through the feeding mechanism, and the first motor is started to rotate the stirring shaft to mix the polyurethane raw material inside the main body. When the stirring shaft rotates, it will drive the scraper to rotate, and flatten the polyurethane raw material falling through the feeding port to prevent accumulation. After that, the polyurethane raw material that meets the required particle size will be filtered by the filter plate and fall into the inside of the main body. Through the above operation, the filter plate with the corresponding size of hole slot can be replaced according to the required particle size to filter the polyurethane raw material, thereby effectively improving the quality of the mixed product.
[0013] Add the polyurethane raw materials into the silo, and start the second motor located on one side of the bracket at the same time. The second motor drives the knocking plate to swing left and right continuously on the top of the bracket through the horizontal axis. The knocking plate will continuously knock on the silo during the swinging process, thereby causing the silo to vibrate. This can prevent the polyurethane raw materials from clogging the silo and effectively speed up the loading speed. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a schematic diagram of the overall structure of a stirring device for preparing polyurethane raw materials;
[0015] Figure 2 This is a structural schematic diagram of a silo for a polyurethane raw material preparation and stirring device;
[0016] Figure 3 This is a schematic structural diagram of the main body of a stirring device for preparing polyurethane raw materials;
[0017] Figure 4 Preparation of a stirring device for a polyurethane raw material Figure 3 Enlarged view of point A in the middle.
[0018] In the figure: 1. Main body; 2. First motor; 3. Valve; 4. Filter mechanism; 5. Temporary storage box; 6. Filter plate; 7. Bushing; 8. Vertical groove; 9. Scraper; 10. Slot; 11. Card; 12. Agitator shaft; 13. Feeding mechanism; 14. Hopper; 15. Support plate; 16. Bracket; 17. Horizontal axis; 18. Knocking plate; 19. Second motor; 20. Sealing cover. DETAILED DESCRIPTION
[0019] The following further describes specific embodiments of the present invention in conjunction with the accompanying drawings. It should be noted that the descriptions of these embodiments are intended to aid understanding of the present invention and do not constitute limitations on the present invention. Furthermore, the technical features involved in the various embodiments of the present invention described below may be combined with one another as long as they do not conflict with one another.
[0020] Example 1
[0021] See also Figure 1-Figure 4 The utility model provides a technical solution: a polyurethane raw material preparation stirring device, comprising a main body 1, a first motor 2 is provided at the bottom end of the main body 1, a valve 3 is provided at the front and bottom of the main body 1, a stirring shaft 12 is provided inside the main body 1, and a filtering mechanism 4 is provided inside the main body 1 and near the top;
[0022] See also Figure 3 and Figure 4 The filtering mechanism 4 includes a temporary storage box 5 and a filter plate 6. A sealing cover 20 is provided on the upper end of the main body 1. A feeding port is provided on the sealing cover 20. A feeding mechanism 13 is provided on the surface of the sealing cover 20 and above the feeding port.
[0023] Several groups of card plates 11 are equidistantly arranged on the inner wall of the temporary storage box 5 and at the bottom position, several groups of card slots 10 that fit with the card plates 11 are equidistantly opened on the edge position of the filter plate 6, a shaft sleeve 7 is provided in the middle position of the filter plate 6, a vertical groove 8 is provided on the outer wall of the stirring shaft 12 and at the top position, and a scraper 9 is provided on the top of the stirring shaft 12 through the vertical groove 8.
[0024] A rotating shaft is provided between the bottom of the scraper 9 and the inner wall of the vertical groove 8. The scraper 9 is rotatably arranged inside the vertical groove 8 by the rotating shaft. The filter plate 6 is arranged at the bottom of the temporary storage box 5 through the card slot 10 and the card plate 11. The filter plate 6 is provided with a plurality of filter holes.
[0025] The rotating shaft of the first motor 2 is fixedly connected to the bottom end of the stirring shaft 12 , and the stirring shaft 12 and the sealing cover 20 are movably sleeved.
[0026] During use, according to the particle size of the required polyurethane raw material, a filter plate 6 with a corresponding size of hole slot is selected, the shaft sleeve 7 provided on the filter plate 6 is sleeved on the stirring shaft 12, and the filter plate 6 is moved downward along the stirring shaft 12 to the inside of the temporary storage box 5, and the slot 10 opened on the edge of the filter plate 6 is clamped on the corresponding card plate 11, the scraper 9 is unfolded from the inside of the vertical groove 8, and then the sealing cover 20 is covered on the main body 1, and the polyurethane raw material is added to the temporary storage box 5 inside the main body 1 through the feeding port by the feeding mechanism 13, and the first motor 2 is started to rotate the stirring shaft 12 to mix the polyurethane raw material inside the main body 1. When the stirring shaft 12 rotates, it will drive the scraper 9 to rotate, and the polyurethane raw material falling through the feeding port will be flattened to prevent accumulation. After that, the polyurethane raw material meeting the required particle size will be filtered by the filter plate 6 and fall into the inside of the main body 1. Through the above operation, the filter plate 6 with the corresponding size of hole slot can be replaced according to the required particle size to filter the polyurethane raw material, effectively improving the quality of the mixed product, and the mixed raw material is discharged through the valve 3.
[0027] Example 2
[0028] See also Figure 1-Figure 4 The utility model provides a technical solution: a polyurethane raw material preparation stirring device, comprising a main body 1, a first motor 2 is provided at the bottom end of the main body 1, a valve 3 is provided at the front and bottom of the main body 1, a stirring shaft 12 is provided inside the main body 1, and a filtering mechanism 4 is provided inside the main body 1 and near the top;
[0029] The filtering mechanism 4 includes a temporary storage box 5 and a filter plate 6. A sealing cover 20 is provided on the upper end of the main body 1. A feeding port is provided on the sealing cover 20. A feeding mechanism 13 is provided on the surface of the sealing cover 20 and above the feeding port.
[0030] See also Figure 2 The feeding mechanism 13 includes a hopper 14 and a support plate 15. A bracket 16 is provided on one side of the support plate 15. A horizontal axis 17 is provided inside the bracket 16. A knocking plate 18 is provided on the bracket 16 through the horizontal axis 17. A second motor 19 is provided on one side of the bracket 16.
[0031] The support plate 15 is mounted on the feeding port, and the silo 14 is set directly above the feeding port through the support plate 15. The rotating shaft of the second motor 19 is fixedly connected to one end of the horizontal shaft 17, and the knocking plate 18 is set on one side of the silo 14 through the horizontal shaft 17 to cooperate with the second motor 19 to rotate.
[0032] Specifically, the polyurethane raw material is added to the silo 14, and the second motor 19 located on one side of the bracket 16 is started at the same time. The second motor 19 drives the knocking plate 18 to swing continuously left and right on the top of the bracket 16 through the horizontal axis 17. The knocking plate 18 will continue to knock on the silo 14 during the swinging process, thereby causing the silo 14 to vibrate, which can prevent the polyurethane raw material from clogging the silo 14 and effectively speed up the loading speed.
[0033] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It is apparent to those skilled in the art that various changes, modifications, substitutions, and variations to these embodiments may be made without departing from the principles and spirit of the present invention, and these changes and modifications still fall within the scope of protection of the present invention.
Claims
1. A polyurethane raw material preparation stirring device, comprising a main body (1), characterized in that: A first motor (2) is provided at the bottom end of the main body (1), a valve (3) is provided on the front and at the bottom of the main body (1), a stirring shaft (12) is provided inside the main body (1), and a filtering mechanism (4) is provided inside the main body (1) and near the top; The filtering mechanism (4) comprises a temporary storage box (5) and a filter plate (6); a sealing cover (20) is provided at the upper end of the main body (1); a feeding port is provided on the sealing cover (20); and a feeding mechanism (13) is provided on the surface of the sealing cover (20) and above the feeding port.
2. A polyurethane raw material preparation stirring device according to claim 1, characterized in that: The inner wall of the temporary storage box (5) is provided with a plurality of groups of card plates (11) at equal intervals at the bottom position, the edge position of the filter plate (6) is provided with a plurality of groups of card slots (10) that match the card plates (11) at equal intervals, the middle position of the filter plate (6) is provided with a shaft sleeve (7), the outer wall of the stirring shaft (12) is provided with a vertical groove (8) at the top position, and the top of the stirring shaft (12) is provided with a scraper (9) through the vertical groove (8).
3. A polyurethane raw material preparation stirring device according to claim 2, characterized in that: A rotating shaft is provided between the bottom of the scraper (9) and the inner side wall of the vertical groove (8); the scraper (9) is rotatably arranged inside the vertical groove (8) via the rotating shaft; the filter plate (6) is arranged at the bottom of the temporary storage box (5) via a clamping groove (10) and a clamping plate (11); and a plurality of filter holes are provided on the filter plate (6).
4. A polyurethane raw material preparation stirring device according to claim 1, characterized in that: The feeding mechanism (13) comprises a hopper (14) and a support plate (15); a bracket (16) is provided on one side of the support plate (15); a transverse axis (17) is provided inside the bracket (16); a knocking plate (18) is provided on the bracket (16) via the transverse axis (17); and a second motor (19) is provided on one side of the bracket (16).
5. A polyurethane raw material preparation stirring device according to claim 4, characterized in that: The support plate (15) is mounted on the feeding port, the silo (14) is arranged directly above the feeding port through the support plate (15), the rotating shaft of the second motor (19) is fixedly connected to one end of the transverse shaft (17), and the knocking plate (18) is arranged on one side of the silo (14) through the transverse shaft (17) and in cooperation with the second motor (19).
6. A polyurethane raw material preparation stirring device according to claim 1, characterized in that: The rotating shaft of the first motor (2) is fixedly connected to the bottom end of the stirring shaft (12), and the stirring shaft (12) and the sealing cover (20) are movably sleeved.