Thermoplastic polyurethane anti-drying device

Abstract

The thermoplastic polyurethane anti-drying device comprises supporting legs, a wetting barrel, a feeding hopper and a discharging pipe, a valve is arranged on the discharging pipe, a stirring assembly is installed on the wetting barrel and comprises an installation pipe, a water outlet pipe and an atomization nozzle, an installation plate is fixed to the side wall of the wetting barrel, and a water supply assembly is installed on the installation plate; the water supply assembly comprises a water storage tank, a water suction pump and a connecting pipe, the end, away from the water suction pump, of the connecting pipe is rotationally connected with the upper end of the mounting pipe, a rotating assembly is mounted on the wetting barrel, a polyurethane material is put into the wetting barrel through the feeding hopper, and after putting is completed, water in the water storage tank is pumped into the mounting pipe through the connecting pipe by starting the water suction pump; according to the device, a polyurethane material is sprayed out through a water outlet pipe and a plurality of atomizing nozzles, and then a mounting pipe is rotated through a rotating assembly, so that the polyurethane material is wetted while being stirred by the water outlet pipe, the uniform wetting of the polyurethane material is facilitated, and the probability that the use function of thermoplastic polyurethane is influenced due to non-uniform and insufficient wetting is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of polyurethane, and particularly relates to a thermoplastic polyurethane anti-drying device. Background Art

[0002] Thermoplastic polyurethane is a kind of polymer material with the characteristics of thermoplasticity and solubility. Thermoplastic polyurethane is a block linear polymer, and its structure is composed of polyester or polyether and diol. The characteristics of this material include excellent physical and mechanical properties, chemical stability and heat resistance, making it widely used in many fields, such as synthetic leather, adhesives, elastic materials, etc. For soft polyurethane, it has good elasticity and needs to be made into an elastomer. Moisture maintenance is required before use. Therefore, a thermoplastic polyurethane anti-drying device needs to be designed.

[0003] In a Chinese utility model patent with the publication number of CN211618726U, a thermoplastic polyurethane anti-drying device is disclosed, which includes a housing. A placement cavity is arranged inside the housing. A humidifying cavity is arranged inside the housing and on the right side of the placement cavity. A double-layer water-permeable membrane is arranged on the inner surface of the humidifying cavity. A filler is arranged inside the double-layer water-permeable membrane. A cover body is movably connected to the upper surface of the housing. A water storage box is arranged on the right side surface of the cover body. A water tank is arranged on the right side of the housing. A pump body is arranged on the upper surface of the water tank.

[0004] Regarding the above related technologies, the inventor believes that there are the following defects: In the above patent, the humidity of the polyurethane material near the double-layer water-permeable membrane is relatively high, while a part far from the double-layer water-permeable membrane is difficult to be wetted, and the thermoplastic polyurethane cannot be wetted evenly, affecting the use function of the thermoplastic polyurethane. Summary of the Utility Model

[0005] In order to solve the above problems, the utility model provides a thermoplastic polyurethane anti-drying device.

[0006] The above technical purpose of the utility model is achieved through the following technical solutions: A thermoplastic polyurethane anti-drying device includes support legs, a humidifying cylinder fixed to the upper ends of the support legs, a feed hopper fixed and communicated with the upper surface of the humidifying cylinder, and a discharge pipe fixed and communicated with the lower surface of the humidifying cylinder. A valve is arranged on the discharge pipe. A stirring assembly is installed on the humidifying cylinder. The stirring assembly includes an installation pipe penetrating through and rotatably connected to the humidifying cylinder, a plurality of water outlet pipes fixed and communicated with the side wall of the installation pipe, and a plurality of atomizing nozzles fixed and communicated with the lower surface of the water outlet pipes;

[0007] An installation plate is fixed to the side wall of the wetting cylinder. A water supply assembly for supplying water to the stirring assembly is installed on the installation plate. The water supply assembly includes a water storage tank fixed to the upper surface of the installation plate, a water pump fixed and communicated with the upper surface of the water storage tank, and a connecting pipe fixed and communicated with the water outlet of the water pump. The end of the connecting pipe away from the water pump is rotatably connected to the upper end of the installation pipe. A rotating assembly for driving the installation pipe to rotate is installed on the wetting cylinder.

[0008] By adopting the above technical solution, the polyurethane material is put into the wetting cylinder through the feed hopper. After the feeding is completed, the water in the water storage tank is pumped into the installation pipe through the connecting pipe by starting the water pump, and is sprayed out through the water outlet pipe and a plurality of atomizing nozzles. Then, the rotating assembly is used to rotate the installation pipe, so that the water outlet pipe wets the polyurethane material while stirring, which is beneficial to uniformly wet the polyurethane material and reduces the probability that uneven and insufficient wetting affects the use function of thermoplastic polyurethane.

[0009] Furthermore, the rotating assembly includes a driving motor fixed to the upper surface of the water storage tank, a driving gear fixed to the end of the output shaft of the driving motor, and a driven gear fixedly sleeved on the installation pipe and meshing with the driving gear.

[0010] By adopting the above technical solution, when the installation pipe needs to be rotated, the staff only needs to drive the driving gear to rotate through the driving motor. Since the driving gear meshes with the driven gear and the driven gear is fixedly sleeved on the installation pipe, the installation pipe is rotated, which is convenient for simultaneously stirring and wetting the polyurethane material.

[0011] Furthermore, a fixing rod is fixed to the end of the water outlet pipe away from the installation pipe, and a water-absorbing sponge is fixed to the end of the fixing rod away from the water outlet pipe. The side wall of the water-absorbing sponge away from the fixing rod is in tight contact with the inner wall of the wetting cylinder.

[0012] By adopting the above technical solution, the water-absorbing sponge rotates with the water outlet pipe, thereby cleaning the inner wall of the wetting cylinder and reducing the probability that water droplets condense on the inner wall of the wetting cylinder and damage the polyurethane material.

[0013] Furthermore, a humidity sensor is arranged on the inner top wall of the wetting cylinder, a controller electrically connected to the humidity sensor is fixed to the side wall of the wetting cylinder, and the driving motor and the water pump are both electrically connected to the controller.

[0014] By adopting the above technical solution, the humidity sensor monitors the humidity in the wetting cylinder, and the controller controls the driving motor and the water pump to work, which is beneficial to automatically adjust the driving motor and the water pump according to the humidity in the wetting cylinder.

[0015] Furthermore, a protective shell for covering the rotating assembly is fixed to the upper surface of the wetting cylinder, and the installation pipe penetrates through the protective shell and is rotatably connected.

[0016] By adopting the above technical solution, the protective shell has a protective effect on the rotating component, reducing the probability of the rotating component being damaged under the action of external force.

[0017] Furthermore, a stepped groove is provided on the upper surface of the feed hopper, and a sealing plug is provided in the stepped groove.

[0018] By adopting the above technical solution, the sealing plug is made of rubber material, and the material has good sealing properties. When the feeding is completed, the staff seals the feed hopper through the sealing plug, thereby reducing the probability of water evaporation in the moistening cylinder.

[0019] Furthermore, a handle is fixed on the upper surface of the sealing plug.

[0020] By adopting the above technical solution, the setting of the handle provides a fulcrum for the sealing plug, making it convenient for the staff to lift the sealing plug through the handle.

[0021] In summary, the utility model has the following beneficial effects:

[0022] 1. In the present application, the polyurethane material is put into the wetting cylinder through the feed hopper. After the putting is completed, the water in the water storage tank is pumped into the installation pipe through the connecting pipe by starting the water pump, and sprayed out through the water outlet pipe and multiple atomizing nozzles. Then, the installation pipe is rotated by the rotating assembly, so that the water outlet pipe stirs and wets the polyurethane material, which is conducive to uniform wetting of the polyurethane material and reduces the probability that uneven and insufficient wetting affects the use function of the thermoplastic polyurethane.

[0023] 2. In this application, when the installation tube needs to be rotated, the staff only needs to drive the driving gear to rotate through the driving motor. Since the driving gear is meshed with the driven gear, and the driven gear is fixedly sleeved on the installation tube, the installation tube is rotated, which is convenient for stirring and wetting the polyurethane material at the same time;

[0024] 3. In the present application, the water-absorbing sponge rotates with the water outlet pipe, thereby cleaning the inner wall of the moistening cylinder, reducing the probability of water droplets condensing on the inner wall of the moistening cylinder and causing damage to the polyurethane material. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model;

[0026] Figure 2 It is a schematic cross-sectional structure diagram of an embodiment of the utility model.

[0027] In the figure: 1. Support leg; 2. Moistening cylinder; 3. Feed hopper; 31. Step groove; 4. Feed pipe; 41. Valve; 5. Stirring assembly; 51. Installation pipe; 52. Water outlet pipe; 53. Atomizing nozzle; 6. Installation plate; 7. Water supply assembly; 71. Water storage tank; 72. Water pump; 73. Connecting pipe; 8. Rotating assembly; 81. Driving motor; 82. Driving gear; 83. Driven gear; 9. Fixed rod; 10. Absorbent sponge; 11. Humidity sensor; 12. Controller; 13. Protective housing; 14. Sealing plug; 15. Handle. Detailed implementation mode

[0028] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application; obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

[0029] As Figure 1 and Figure 2 shown, an anti-drying device for thermoplastic polyurethane disclosed in an embodiment of the present application includes a support leg 1, a moistening cylinder 2, a feed hopper 3, a feed pipe 4, a stirring assembly 5, an installation plate 6, a water supply assembly 7, and a rotating assembly 8.

[0030] The support leg 1 is in a round rod shape, and multiple support legs 1 are provided. The moistening cylinder 2 is in a cylindrical shape, and the moistening cylinder 2 is fixed to the upper ends of the multiple support legs 1. The feed hopper 3 is in a funnel shape, and the feed hopper 3 is fixed and communicated with the upper surface of the moistening cylinder 2. The feed pipe 4 is fixed and communicated with the lower surface of the moistening cylinder 2, and a valve 41 is provided on the feed pipe 4.

[0031] The stirring assembly 5 is installed on the moistening cylinder 2. The stirring assembly 5 includes an installation pipe 51, a water outlet pipe 52, and an atomizing nozzle 53. The installation pipe 51 is a vertically arranged round pipe structure, the top of the installation pipe 51 is open, and the installation pipe 51 penetrates through the moistening cylinder 2 and is rotationally connected. The water outlet pipe 52 is a horizontally arranged round pipe structure, the water outlet pipe 52 is fixed and communicated with the side wall of the installation pipe 51, and multiple water outlet pipes 52 are provided. The atomizing nozzle 53 is fixed and communicated with the lower surface of the water outlet pipe 52, and multiple atomizing nozzles 53 are provided.

[0032] The mounting plate 6 is in the shape of a rectangular plate and is fixed on the side wall of the wetting cylinder 2. The water supply assembly 7 is mounted on the mounting plate 6 and is used to supply water to the stirring assembly 5. The water supply assembly 7 includes a water storage tank 71, a water pump 72, and a connecting pipe 73. The water storage tank 71 is in the structure of a cuboid box and is fixed on the upper surface of the mounting plate 6. The water pump 72 is a commonly used water pump in the prior art and suitable for this embodiment. The water pump 72 is fixed and communicated with the upper surface of the water storage tank 71. The connecting pipe 73 is fixed and communicated with the water outlet of the water pump 72. The end of the connecting pipe 73 away from the water pump 72 is rotatably connected to the upper end of the mounting pipe 51.

[0033] The rotating assembly 8 is mounted on the wetting cylinder 2 and is used to drive the mounting pipe 51 to rotate. The rotating assembly 8 includes a driving motor 81, a driving gear 82, and a driven gear 83. The driving motor 81 is fixed on the upper surface of the wetting cylinder 2, and the output shaft of the driving motor 81 extends vertically upward. The driving gear 82 is fixed at the end of the output shaft of the driving motor 81, and the axis of the driving gear 82 coincides with the axis of the output shaft of the driving motor 81. The driven gear 83 is fixedly sleeved on the mounting pipe 51, the axis of the driven gear 83 coincides with the axis of the mounting pipe 51, and the driven gear 83 meshes with the driving gear 82.

[0034] The polyurethane material is put into the wetting cylinder 2 through the feed hopper 3. After the feeding is completed, the water pump 72 is started to pump the water in the water storage tank 71 into the mounting pipe 51 through the connecting pipe 73, and it is sprayed out through the water outlet pipe 52 and a plurality of atomizing nozzles 53. Then, the driving motor 81 is used to drive the driving gear 82 to rotate. Since the driving gear 82 meshes with the driven gear 83 and the driven gear 83 is fixedly sleeved on the mounting pipe 51, the mounting pipe 51 is rotated, so that the water outlet pipe 52 wets the polyurethane material while stirring, which is beneficial to uniformly wet the polyurethane material and reduces the probability that uneven and insufficient wetting affects the use function of the thermoplastic polyurethane.

[0035] In order to reduce the probability of water droplet condensation, a fixing rod 9 is fixed at the end of the water outlet pipe 52 away from the mounting pipe 51. A water-absorbing sponge 10 is fixed at the end of the fixing rod 9 away from the water outlet pipe 52. The side wall of the water-absorbing sponge 10 on the side away from the fixing rod 9 abuts against the inner wall of the wetting cylinder 2. The water-absorbing sponge 10 rotates with the water outlet pipe 52, thereby cleaning the inner wall of the wetting cylinder 2, and thus reducing the probability that water droplets condense on the inner wall of the wetting cylinder 2 and damage the polyurethane material.

[0036] In order to facilitate automatic adjustment of the driving motor 81 and the water pump 72, a humidity sensor 11 is provided on the top wall of the wetting cylinder 2, and a controller 12 electrically connected to the humidity sensor 11 is fixed to the side wall of the wetting cylinder 2. The driving motor 81 and the water pump 72 are both electrically connected to the controller 12. The humidity sensor 11 monitors the humidity in the wetting cylinder 2, and the driving motor 81 and the water pump 72 are controlled by the controller 12, which facilitates the driving motor 81 and the water pump 72 to automatically adjust according to the humidity in the wetting cylinder 2.

[0037] In order to protect the rotating assembly 8, a protective shell 13 for covering the rotating assembly 8 is fixed on the upper surface of the moistening cylinder 2, and the mounting tube 51 passes through the protective shell 13 and is rotatably connected. The protective shell 13 protects the rotating assembly 8 and reduces the probability of damage to the rotating assembly 8 under the action of external force.

[0038] In order to reduce the probability of water evaporation in the wetting cylinder 2, a stepped groove 31 is provided on the upper surface of the feed hopper 3, and a sealing plug 14 is arranged in the stepped groove 31. The sealing plug 14 is made of rubber material, and the material has good sealing properties. When the feeding is completed, the staff seals the feed hopper 3 through the sealing plug 14, thereby reducing the probability of water evaporation in the wetting cylinder 2.

[0039] In order to facilitate lifting the sealing plug 14 , a handle 15 is fixed on the upper surface of the sealing plug 14 . The arrangement of the handle 15 provides a fulcrum for the sealing plug 14 , thereby facilitating the staff to lift the sealing plug 14 through the handle 15 .

[0040] The use principle of a thermoplastic polyurethane anti-drying device in this embodiment is as follows: the polyurethane material is put into the wetting cylinder 2 through the feed hopper 3. After the putting is completed, the water in the water storage tank 71 is pumped into the installation pipe 51 through the connecting pipe 73 by starting the water pump 72, and is sprayed out through the water outlet pipe 52 and multiple atomizing nozzles 53. Then, the driving gear 82 is driven to rotate by the driving motor 81. Since the driving gear 82 is meshed with the driven gear 83, and the driven gear 83 is fixedly sleeved on the installation pipe 51, the installation pipe 51 is rotated, so that the water outlet pipe 52 stirs and moistens the polyurethane material, which is beneficial to the uniform moistening of the polyurethane material and reduces the probability that uneven and insufficient moistening will affect the use function of the thermoplastic polyurethane.

[0041] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A thermoplastic polyurethane anti-drying device, comprising support legs (1), a humidifying cylinder (2) fixed to the upper ends of the support legs (1), a feed hopper (3) fixed to and communicating with the upper surface of the humidifying cylinder (2), and a discharge pipe (4) fixed to and communicating with the lower surface of the humidifying cylinder (2). A valve (41) is provided on the discharge pipe (4), and its characteristics are as follows: A stirring assembly (5) is installed on the wet cylinder (2). The stirring assembly (5) includes a mounting pipe (51) that penetrates through the wet cylinder (2) and is rotatably connected, a plurality of water outlet pipes (52) fixed to and communicating with the side wall of the mounting pipe (51), and a plurality of atomizing nozzles (53) fixed to and communicating with the lower surface of the water outlet pipes (52). A mounting plate (6) is fixed to the side wall of the wet cylinder (2). A water supply assembly (7) for supplying water to the stirring assembly (5) is installed on the mounting plate (6). The water supply assembly (7) includes a water storage tank (71) fixed to the upper surface of the mounting plate (6), a water pump (72) fixed to and communicating with the upper surface of the water storage tank (71), and a connecting pipe (73) fixed to and communicating with the water outlet of the water pump (72). One end of the connecting pipe (73) away from the water pump (72) is rotatably connected to the upper end of the mounting pipe (51). A rotating assembly (8) for driving the mounting pipe (51) to rotate is installed on the wet cylinder (2).

2. The thermoplastic polyurethane anti-drying device according to claim 1, characterized in that: The rotating assembly (8) includes a driving motor (81) fixed to the upper surface of the water storage tank (71), a driving gear (82) fixed to the end of the output shaft of the driving motor (81), and a driven gear (83) fixedly sleeved on the mounting pipe (51) and meshing with the driving gear (82).

3. The thermoplastic polyurethane anti-drying device according to claim 2, characterized in that: A fixing rod (9) is fixed to one end of the water outlet pipe (52) away from the mounting pipe (51). A water-absorbing sponge (10) is fixed to the end of the fixing rod (9) away from the water outlet pipe (52). The side wall of the water-absorbing sponge (10) on the side away from the fixing rod (9) is in tight contact with the inner wall of the wet cylinder (2).

4. The thermoplastic polyurethane anti-drying device according to claim 3, characterized in that: A humidity sensor (11) is provided on the inner top wall of the wet cylinder (2). A controller (12) electrically connected to the humidity sensor (11) is fixed to the side wall of the wet cylinder (2). Both the driving motor (81) and the water pump (72) are electrically connected to the controller (12).

5. The thermoplastic polyurethane anti-drying device according to claim 2, characterized in that: A protective cover (13) for covering the rotating assembly (8) is fixed to the upper surface of the wet cylinder (2). The mounting pipe (51) penetrates through the protective cover (13) and is rotatably connected.

6. The thermoplastic polyurethane anti-drying device according to claim 1, characterized in that: A stepped groove (31) is formed on the upper surface of the feed hopper (3). A sealing plug (14) is arranged in the stepped groove (31).

7. The thermoplastic polyurethane anti-drying device according to claim 6, characterized in that: A handle (15) is fixed to the upper surface of the sealing plug (14).

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