TPU (thermoplastic polyurethane) membrane extrusion feeding device

Abstract

The utility model relates to the technical field of TPU (thermoplastic polyurethane) production, in particular to a TPU diaphragm extrusion feeding device, which comprises a feeding barrel, a feeding barrel, a feeding barrel cover, a feeding barrel cover, a feeding barrel cover, a feeding barrel cover, a feeding barrel cover, a feeding barrel cover, a feeding barrel cover, a feeding barrel cover, a feeding barrel cover, a feeding barrel cover, a feeding barrel cover, a feeding barrel cover, a feeding barrel cover, a feeding barrel cover and a feeding barrel cover, and heating components are arranged in the side walls of the feeding barrel and the feeding barrel cover; the rotating shaft penetrates through the barrel cover and then extends into the inner cavity of the feeding barrel, and a spiral extrusion blade is arranged on the rotating shaft. According to the TPU film extrusion feeding device, the problem that TPU films are not completely dehumidified and dried when being conveyed to the TPU film extrusion feeding device due to the fact that the TPU films are prone to caking and moisture remains in a pipeline can be solved, the dehumidification and drying effect of the TPU films is improved, the subsequent processing quality is improved, and the TPU film extrusion feeding device is simple in structure, easy to implement and low in cost. And the method has the advantages of saving cost and reducing energy consumption.

Description

Technical Field

[0001] The utility model relates to the technical field of TPU production, in particular to a TPU diaphragm extrusion feeding device. Background Art

[0002] After dehumidification and drying, the TPU film needs to be extruded and fed to the casting machine. The structure of the extrusion feeding device can refer to the Chinese utility model patent with application number CN202222648973.9, named a feeding mechanism of a screw extruder. The traditional dehumidification dryer and the extrusion feeding device are set separately. After dehumidification and drying, the TPU film is transported to the extrusion feeding device by a pipeline. Because the TPU film is easy to agglomerate and there is residual moisture in the pipeline, the TPU film is not completely dehumidified and dried when it is sent to the extrusion feeding device, which affects the subsequent processing quality. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a TPU film sheet extrusion feeding device which can improve the dehumidification and drying effect of the TPU film sheet.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is: a TPU diaphragm extrusion feeding device, characterized in that it includes:

[0005] A feed barrel has an opening at the top and a discharge interface at the bottom, a barrel cover is provided at the opening, a feed interface is provided on the barrel cover, the feed interface is connected to the discharge port of the feed auger, and heating components are provided inside the side walls of the feed barrel and the feed auger;

[0006] The rotating shaft passes through the barrel cover and extends into the inner cavity of the feed barrel. The rotating shaft is provided with spiral extrusion blades.

[0007] Furthermore, it also includes a driving motor, which is connected to the rotating shaft through a transmission assembly.

[0008] Furthermore, the surfaces of the feed barrel, the feeding auger and the barrel cover are all provided with a heat-insulating layer.

[0009] Furthermore, the spiral extrusion blade is provided with a through hole.

[0010] Furthermore, two or more through holes are arranged on the spiral extrusion blade at intervals along the spiral direction.

[0011] The beneficial effects of the utility model are: a TPU diaphragm extrusion feeding device, after the TPU diaphragm is conveyed by a feeding auger and heated by a heating component in the pipe wall, it enters the barrel from the feeding interface on the barrel cover of the feed barrel, and in the process of squeezing the TPU diaphragm for feeding by a spiral extrusion blade, the TPU diaphragm is heated in cooperation with the heating component in the barrel wall of the feed barrel. This can avoid the problem that the TPU film is not completely dehumidified and dried when it is sent to the TPU diaphragm extrusion feeding device due to the easy agglomeration of the TPU film and the residual moisture in the pipeline, thereby improving the dehumidification and drying effect of the TPU film and improving the subsequent processing quality. The device has a simple structure, is easy to implement, and has the advantages of saving costs and reducing energy consumption. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the TPU diaphragm extrusion feeding device;

[0013] Figure 2 It is another structural schematic diagram of the TPU film extrusion feeding device;

[0014] Description of labels:

[0015] 1. Feed barrel; 11. Discharge interface; 12. Barrel cover; 121. Feed interface; 2. Feeding auger; 21. Heating component; 3. Rotating shaft; 31. Spiral extrusion blade; 311. Through hole; 32. Driving motor. DETAILED DESCRIPTION

[0016] In order to explain the technical content, achieved objectives and effects of the present invention in detail, the following is an explanation in conjunction with the implementation modes and the accompanying drawings.

[0017] The utility model provides a TPU diaphragm extrusion feeding device, which is applied in the production and processing of TPU diaphragms.

[0018] Please refer to Figure 1 to Figure 2 As shown, a TPU diaphragm extrusion feeding device of the utility model is characterized by comprising:

[0019] A feed barrel 1 has an opening at the top and a discharge interface 11 at the bottom, a barrel cover 12 is provided at the opening, a feed interface 121 is provided on the barrel cover 12, and the feed interface 121 is connected to the discharge port of the feed auger 2. A heating component 21 is provided inside the side walls of the feed barrel 1 and the feed auger 2;

[0020] The rotating shaft 3 passes through the barrel cover 12 and extends into the inner cavity of the feed barrel 1 . A spiral extrusion blade 31 is provided on the rotating shaft 3 .

[0021] From the above description, it can be seen that the beneficial effects of the utility model are: a TPU diaphragm extrusion and feeding device, after the TPU diaphragm is conveyed by the feeding auger 2 and heated by the heating component 21 in the pipe wall, it enters the barrel from the feeding interface 121 on the barrel cover 12 of the feed barrel 1, and in the process of squeezing the TPU diaphragm for feeding by the spiral extrusion blades 31, the TPU diaphragm is heated in cooperation with the heating component 21 in the barrel wall of the feed barrel 1. In this way, the problem that the TPU film is easy to agglomerate and residual moisture in the pipeline causes the TPU film to be not completely dehumidified and dried when it is sent to the TPU diaphragm extrusion and feeding device can be avoided, thereby improving the dehumidification and drying effect of the TPU film and improving the subsequent processing quality. The device has a simple structure, is easy to implement, and has the advantages of saving costs and reducing energy consumption.

[0022] In an optional embodiment, a driving motor 32 is further included, and the driving motor 32 is connected to the rotating shaft 3 through a transmission assembly.

[0023] It can be seen from the above description that the driving motor 32 drives the rotating shaft 3 to rotate through the transmission assembly, thereby performing extrusion and feeding.

[0024] In an optional embodiment, the surfaces of the feed barrel 1, the feeding auger 2 and the barrel cover 12 are all provided with a heat-insulating layer.

[0025] In an optional embodiment, the spiral extrusion blade 31 is provided with a through hole 311 .

[0026] From the above description, it can be seen that the through holes 311 provided on the spiral extrusion blades 31 can improve the extrusion and dehumidification and drying effects of the TPU diaphragm.

[0027] In an optional embodiment, two or more through holes 311 are arranged on the spiral extrusion blade 31 at intervals along the spiral direction.

[0028] Please refer to Figure 1 to Figure 2 As shown, the first embodiment of the utility model is: a TPU film extrusion feeding device, characterized in that it includes:

[0029] The feed barrel 1 has an opening at the top and a discharge interface 11 at the bottom, a barrel cover 12 is provided at the opening, a feed interface 121 is provided on the barrel cover 12, and the feed interface 121 is connected to the discharge port of the feed auger 2. The side walls of the feed barrel 1 and the feed auger 2 are both provided with a heating component 21; in this embodiment, the heating component 21 is a heat pipe;

[0030] The rotating shaft 3 passes through the barrel cover 12 and extends into the inner cavity of the feed barrel 1 . A spiral extrusion blade 31 is provided on the rotating shaft 3 .

[0031] The drive motor 32 is also included, and the drive motor 32 is connected to the rotating shaft 3 through a transmission assembly. The surfaces of the feed barrel 1, the feeding auger 2 and the barrel cover 12 are all provided with a heat preservation layer. The spiral extrusion blade 31 is provided with a through hole 311. Two or more through holes 311 are arranged on the spiral extrusion blade 31 at intervals along the spiral direction.

[0032] To sum up, in the TPU diaphragm extrusion feeding device of the utility model, after the TPU diaphragm is conveyed by the feeding auger and heated by the heating component in the pipe wall, it enters the barrel from the feeding interface on the barrel cover of the feed barrel. In the process of squeezing the TPU diaphragm for feeding by the spiral extrusion blades, the TPU diaphragm is heated in cooperation with the heating component in the barrel wall of the feed barrel. In this way, the problem that the TPU film is not completely dehumidified and dried when it is sent to the TPU diaphragm extrusion feeding device due to the easy agglomeration of the TPU film and the residual moisture in the pipeline can be avoided, the dehumidification and drying effect of the TPU film is improved, and the subsequent processing quality is improved. The device has a simple structure, is easy to implement, and has the advantages of saving costs and reducing energy consumption.

[0033] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent transformations made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in the relevant technical field, are also included in the patent protection scope of the present invention.

Claims

1. A TPU diaphragm extrusion feeding device, characterized in that: include: A feed barrel has an opening at the top and a discharge interface at the bottom, a barrel cover is provided at the opening, a feed interface is provided on the barrel cover, the feed interface is connected to the discharge port of the feed auger, and heating components are provided inside the side walls of the feed barrel and the feed auger; The rotating shaft passes through the barrel cover and extends into the inner cavity of the feed barrel. The rotating shaft is provided with spiral extrusion blades.

2. The TPU film extrusion feeding device according to claim 1, characterized in that: It also includes a driving motor, which is connected to the rotating shaft through a transmission assembly.

3. The TPU diaphragm extrusion feeding device according to claim 1, characterized in that: The surfaces of the feed barrel, the feeding auger and the barrel cover are all provided with a heat-insulating layer.

4. The TPU film extrusion feeding device according to claim 1, characterized in that: The spiral extrusion blade is provided with a through hole.

5. The TPU film extrusion feeding device according to claim 4, characterized in that: The two or more through holes are arranged on the spiral extrusion blade at intervals along the spiral direction.

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