Polyurethane sponge stirring and foaming device

Abstract

The utility model discloses a polyurethane sponge stirring and foaming device which comprises a base and a stirring device arranged above the base, two supporting plates are installed on the bottom wall of the base, a bottom groove is formed in the bottom wall of the base, a double-thread screw is rotationally arranged in the bottom groove through a driving motor, and movable plates are installed on the outer walls of the two ends of the double-thread screw in a threaded mode. The bottom wall of the moving plate is rotationally provided with a lifting screw through a supporting mechanism, a universal wheel assembly is arranged below the moving plate and connected with the lifting screw through a connecting mechanism, a fixed rack is arranged on the inner wall of the bottom groove, and the lifting screw is connected with the fixed rack through a transmission mechanism. The supporting plate, the universal wheels and other assemblies are arranged, the whole device is supported by the supporting plate in daily life, the universal wheel assemblies are lowered for supporting movement only when the device needs to be moved, and the situation that the service life of the universal wheel assemblies is shortened due to long-term pressing is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of polyurethane sponge production, in particular to a polyurethane sponge stirring and foaming device. Background Art

[0002] Polyurethane sponge is made by foaming a mixture of isocyanate, polyether polyol, silicone oil, amine catalyst, tin catalyst, water, color paste and other raw materials. At present, most of the domestic polyurethane foaming is done by injecting all the raw materials into a stirring device, stirring, and then injecting them into a foaming tank for foaming to obtain a large piece of polyurethane sponge.

[0003] With reference to the publication (announcement) number: CN213137543U, the utility model discloses a polyurethane sponge twice stirring and foaming preparation device, comprising a base, a stirring device is arranged on the top of the base, four sliding wheels are symmetrically arranged inside the base, two fixed structures are symmetrically arranged inside the base on the front and rear sides of the four sliding wheels, and two limit pull rods are symmetrically arranged inside the base on the front and rear sides of the two fixed structures. The polyurethane sponge twice stirring and foaming preparation device described in the utility model belongs to the field of polyurethane sponge production equipment. By arranging a fixing rod on the fixed structure and a fixing hole on the sliding wheel, the sliding wheel can be easily fixed. The sliding wheel assembly in the above scheme is not a universal wheel, so its moving direction is fixed, which affects the movement. Secondly, a groove is provided on the sliding wheel assembly, which affects the strength of the sliding wheel assembly. In addition, the overall use of the device relies on the sliding wheel assembly for support, and its service life is reduced due to the long-term influence of downward pressure. In order to cope with the above problems, a polyurethane sponge stirring and foaming device is proposed. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and provides a polyurethane sponge stirring and foaming device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A polyurethane sponge stirring and foaming device comprises a base and a stirring device arranged above the base, wherein two support plates are installed on the bottom wall of the base, and the bottom wall of the base is provided with a bottom groove, in which a double-headed screw is provided for rotation by a driving motor, and movable plates are threadedly installed on the outer walls at both ends of the double-headed screw, and a lifting screw is provided for rotation on the bottom wall of the movable plate through a supporting mechanism, a universal wheel assembly is provided below the movable plate, and the universal wheel assembly is connected to the lifting screw through a connecting mechanism, a fixed rack is provided on the upper inner wall of the bottom groove, and the lifting screw is connected to the fixed rack through a transmission mechanism.

[0007] Preferably, the support mechanism comprises a support frame fixedly arranged on the bottom wall of the movable plate, the support frame is L-shaped, and one end of the lifting screw is rotatably connected to the support frame.

[0008] Preferably, the connection mechanism comprises a lifting frame threadedly sleeved on the outer wall of the lifting screw, the lifting frame is U-shaped, and both ends of the lifting frame are fixedly connected to the outer wall of the universal wheel assembly.

[0009] Preferably, the transmission mechanism comprises a transmission gear arranged on the upper end surface of the movable plate, the end of the lifting screw is fixedly connected to the transmission gear, and the transmission gear is meshed with a fixed rack.

[0010] Preferably, a cross bar is horizontally arranged in the bottom groove, the cross bar is arranged parallel to the double-headed screw, and the cross bar slides through the two movable plates.

[0011] Preferably, a vertical rod is fixedly provided between the bottom wall of the movable plate and the upper end surface of the support frame, the vertical rod is vertically arranged and parallel to the lifting screw, and the vertical rod slides through the lifting frame.

[0012] Preferably, the support plate is made of antiseptic wood, a metal plate is provided on the surface of the support plate in contact with the ground, and anti-slip grooves are provided on the surface of the metal plate in contact with the ground.

[0013] Beneficial effects of the utility model:

[0014] 1. By setting up components such as support plates and universal wheels, the device as a whole relies on the support plates for daily support. Only when it needs to be moved will the universal wheel assembly be lowered for support and movement, so as to avoid the universal wheel assembly being pressed down for a long time and causing a reduction in its service life.

[0015] 2. By setting up components such as double-headed screws, moving plates, lifting screws, transmission gears and fixed racks, multiple universal wheel components in the device are moved and adjusted synchronously, and there is no need to set up a separate power device for lifting. The transmission can be completed by relying on the movement of multiple components, which ensures the linkage effect and practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of the polyurethane sponge stirring and foaming device proposed in the utility model;

[0017] Figure 2 for Figure 1 Schematic diagram of the structure viewed from above;

[0018] Figure 3 for Figure 2 A schematic diagram of the structure at A;

[0019] Figure 4It is a structural schematic diagram of components such as a moving plate and a transmission gear;

[0020] Figure 5 for Figure 4 Schematic diagram of the structure viewed from the right and looking up.

[0021] In the figure: 1 base, 2 stirring device, 3 support plate, 4 bottom groove, 5 double-headed screw, 6 moving plate, 7 support frame, 8 lifting screw, 9 lifting frame, 10 universal wheel assembly, 11 vertical rod, 12 fixed rack, 13 transmission gear. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] Reference Figure 1-4 , a polyurethane sponge stirring and foaming device includes a base 1 and a stirring device 2 arranged above the base 1. Some equipment components are drawn in the figure but are not numbered or described. For details, please refer to the public (announcement) number: CN213137543U.

[0024] Two support plates 3 are installed on the bottom wall of the base 1. The support plates 3 are made of anti-corrosion wood. A metal plate is provided on the surface of the support plate 3 that contacts the ground. Anti-slip grooves are provided on the surface of the metal plate that contacts the ground. The anti-corrosion wood has a good anti-corrosion effect. The metal plate prevents the anti-corrosion wood from directly contacting the ground and causing friction damage. The anti-slip grooves ensure that the support plates 3 do not slip, thereby ensuring the stability of the entire device when placed.

[0025] A bottom groove 4 is provided on the bottom wall of the base 1, and a double-headed screw 5 is provided in the bottom groove 4 and is rotated by a driving motor. A movable plate 6 is threadedly installed on the outer walls at both ends of the double-headed screw 5. A lifting screw 8 is provided on the bottom wall of the movable plate 6 and is rotated by a supporting mechanism. A universal wheel assembly 10 is provided under the movable plate 6, and the universal wheel assembly 10 is connected to the lifting screw 8 through a connecting mechanism. A fixed rack 12 is provided on the upper inner wall of the bottom groove 4, and the lifting screw 8 is connected to the fixed rack 12 through a transmission mechanism.

[0026] The supporting mechanism includes a supporting frame 7 fixedly arranged on the bottom wall of the movable plate 6. The supporting frame 7 is L-shaped. One end of the lifting screw 8 is rotatably connected to the supporting frame 7. The supporting frame 7 realizes the effective supporting operation of the lifting screw 8. The L-shaped design is to have a certain distance between it and the lifting screw 8, so as to facilitate the lifting of the lifting frame 9 on the lifting screw 8.

[0027] The connection mechanism includes a lifting frame 9 threadedly sleeved on the outer wall of the lifting screw 8. The lifting frame 9 is U-shaped, and both ends of the lifting frame 9 are fixedly connected to the outer wall of the universal wheel assembly 10. The U-shaped design has two ends, and the two ends are more stably connected to the universal wheel assembly 10.

[0028] The transmission mechanism includes a transmission gear 13 arranged on the upper end surface of the movable plate 6. The end of the lifting screw 8 is fixedly connected to the transmission gear 13. The transmission gear 13 is meshed with the fixed rack 12. When the transmission gear 13 moves with the lifting screw 8 and the movable plate 6, the transmission gear 13 will rotate under the action of the fixed rack 12.

[0029] A cross bar is horizontally arranged in the bottom groove 4 , and is arranged parallel to the double-headed screw 5 . The cross bar slides through the two movable plates 6 , and the cross bar limits the movable plates 6 , thereby preventing the movable plates 6 from rotating together with the double-headed screw 5 .

[0030] A vertical rod 11 is fixed between the bottom wall of the movable plate 6 and the upper end surface of the support frame 7. The vertical rod 11 is vertically arranged and parallel to the lifting screw 8. The vertical rod 11 slides through the lifting frame 9. The vertical rod 11 limits the lifting frame 9, thereby preventing it from rotating with the lifting screw 8.

[0031] When the utility model is used, the device is placed daily and relies on the two support plates 3 on the bottom wall of the base 1 for effective and stable support, and the universal wheel assembly 10 is in a lifted state and does not contact the ground. When the device as a whole needs to be moved, it is necessary to start the power device connected to the double-headed screw 5, and the power device drives the double-headed screw 5 to rotate. When the double-headed screw 5 rotates, the movable plates 6 on the outer walls at both ends thereof will move horizontally in the bottom groove 4, and the movable plates 6 will therefore drive the lifting screw 8, the transmission gear 13 and the universal wheel 10 and other components to move, and move in the direction close to the support plate 3. During the movement of the above-mentioned components, due to the fixed rack 12, the transmission gear 13 will rotate and drive the lifting screw 8 to rotate. When the lifting screw 8 rotates, the lifting frame 9 threadedly installed on the outer wall thereof will drive the universal wheel assembly 10 to descend, and finally multiple universal wheel assemblies 10 realize the support of the device as a whole, and the support plate 3 is in a lifted state. At this time, multiple universal wheel assemblies 10 can be relied on to realize convenient moving operation. After moving to the destination, the double-headed screw 5 is reversed and restored to its original state.

[0032] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A polyurethane sponge stirring and foaming device, comprising a base (1) and a stirring device (2) arranged above the base (1), characterized in that: Two support plates (3) are installed on the bottom wall of the base (1); a bottom groove (4) is provided on the bottom wall of the base (1); a double-headed screw (5) is provided in the bottom groove (4) and is rotated by a driving motor; a movable plate (6) is threadedly installed on the outer walls at both ends of the double-headed screw (5); a lifting screw (8) is rotated on the bottom wall of the movable plate (6) by a supporting mechanism; a universal wheel assembly (10) is provided below the movable plate (6); the universal wheel assembly (10) is connected to the lifting screw (8) through a connecting mechanism; a fixed rack (12) is provided on the upper inner wall of the bottom groove (4); and the lifting screw (8) is connected to the fixed rack (12) through a transmission mechanism.

2. The polyurethane sponge stirring and foaming device according to claim 1, characterized in that: The support mechanism comprises a support frame (7) fixedly arranged on the bottom wall of the movable plate (6); the support frame (7) is designed to be L-shaped; one end of the lifting screw rod (8) is rotatably connected to the support frame (7).

3. The polyurethane sponge stirring and foaming device according to claim 2, characterized in that: The connection mechanism comprises a lifting frame (9) threadedly sleeved on the outer wall of the lifting screw (8); the lifting frame (9) is U-shaped, and both ends of the lifting frame (9) are fixedly connected to the outer wall of the universal wheel assembly (10).

4. The polyurethane sponge stirring and foaming device according to claim 3, characterized in that: The transmission mechanism comprises a transmission gear (13) arranged on the upper end surface of the movable plate (6), the end of the lifting screw (8) is fixedly connected to the transmission gear (13), and the transmission gear (13) is meshed with the fixed rack (12).

5. The polyurethane sponge stirring and foaming device according to claim 4, characterized in that: A cross bar is horizontally arranged in the bottom groove (4), the cross bar is arranged parallel to the double-headed screw (5), and the cross bar slides through the two movable plates (6).

6. The polyurethane sponge stirring and foaming device according to claim 5, characterized in that: A vertical rod (11) is fixedly provided between the bottom wall of the movable plate (6) and the upper end surface of the support frame (7); the vertical rod (11) is vertically arranged and parallel to the lifting screw rod (8); and the vertical rod (11) slides through the lifting frame (9).

7. The polyurethane sponge stirring and foaming device according to claim 6, characterized in that: The support plate (3) is made of antiseptic wood, a metal plate is provided on the surface of the support plate (3) in contact with the ground, and anti-slip grooves are provided on the surface of the metal plate in contact with the ground.

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