Anti-blocking conveying mechanism for polyurethane sole stock solution filling

Abstract

The utility model discloses polyurethane shoe sole raw liquid filling is with preventing jam conveying mechanism, including base, heat preservation mechanism and stirring mechanism, the base: its upper surface fixedly connected with the support plate of symmetrical distribution before and after, and the support plate lower extreme of rear end is provided with extrusion mechanism, the heat preservation mechanism: it includes heat preservation jar, heating rod, filling pipeline and heat preservation pipeline, the heat preservation jar fixedly connected in the upper surface middle part of base, and the bottom wall of heat preservation jar is fixedly connected with the storage jar, and the lower extreme fixedly connected with conveying pipeline of storage jar, and conveying pipeline fixedly connected between two support plates, and conveying pipeline sets up with extrusion mechanism cooperation, and the front end screw thread connection of conveying pipeline has filling pipeline, and the outside of filling pipeline is provided with heat preservation pipeline, this polyurethane shoe sole raw liquid filling is with preventing jam conveying mechanism, through the heat preservation to storage jar and conveying pipeline, makes polyurethane shoe sole raw liquid temperature and keep stable state, reduces the possibility of jam.

Description

Technical Field

[0001] This utility model relates to the field of polyurethane shoe sole raw material filling technology, specifically to an anti-clogging conveying mechanism for polyurethane shoe sole raw material filling. Background Technology

[0002] Polyurethane (PU) soles hold a significant position in the footwear industry due to their unique molecular structure. Their main advantages lie in their superior elasticity and cushioning properties, effectively absorbing impact and providing excellent comfort for walking and movement, making them particularly suitable for scenarios requiring prolonged standing or high-intensity exercise. Simultaneously, PU material has an extremely low density, significantly reducing shoe weight and enabling lightweight design. Its excellent abrasion resistance and good oil and solvent resistance also enhance the practicality of the sole. Polyurethane soles are a crucial solution for balancing lightweight, comfort, elasticity, and processability, making them particularly suitable for footwear products that prioritize athletic performance and everyday wear.

[0003] During the processing of polyurethane shoe soles, the raw material is filled into the mold through a conveying mechanism, or it is filled into the packaging barrel when the raw material is sold. Because the polyurethane shoe sole raw material is relatively sensitive to temperature and cures quickly, some conveying mechanisms have long filling pipes with a large contact area with the outside. As a result, the polyurethane shoe sole raw material inside the filling pipe loses a lot of temperature and is prone to clogging. Therefore, we propose an anti-clogging conveying mechanism for filling polyurethane shoe sole raw material. Utility Model Content

[0004] The technical problem to be solved by this utility model is to overcome the existing defects and provide an anti-clogging conveying mechanism for filling polyurethane shoe sole raw material. By insulating the storage tank and conveying pipeline, the temperature of the polyurethane shoe sole raw material is kept stable, reducing the possibility of clogging, which can effectively solve the problems in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an anti-clogging conveying mechanism for filling polyurethane shoe sole raw material, comprising a base, a heat preservation mechanism, and a stirring mechanism; Base: Its upper surface is fixedly connected with symmetrically distributed support plates, and the lower end of the support plate at the rear end is provided with an extrusion mechanism; The insulation mechanism includes an insulation tank, a heating rod, a filling pipe, and an insulation pipe. The insulation tank is fixedly connected to the middle of the upper surface of the base. A storage tank is fixedly connected to the bottom wall of the insulation tank. A conveying pipe is fixedly connected to the lower end of the storage tank. The conveying pipe is fixedly connected between two support plates. The conveying pipe is configured to cooperate with the extrusion mechanism. A filling pipe is threadedly connected to the front end of the conveying pipe. An insulation pipe is installed outside the filling pipe. The input end of the heating rod is electrically connected to the output end of an external controller. Stirring mechanism: Located in the middle of the storage tank, it keeps the temperature of the polyurethane shoe sole raw material stable by insulating the storage tank and conveying pipeline, reducing the possibility of blockage.

[0006] Furthermore, the insulation mechanism also includes a support, an extraction pipe, a circulation interface, and a peristaltic pump. The support is fixedly connected to the upper surface of the base, and peristaltic pumps distributed front and rear are fixedly connected to the upper surface of the support. An extraction pipe is fixedly connected to the left side of the upper surface of the insulation tank, and a circulation interface is fixedly connected to the right side of the upper surface of the insulation tank. The peristaltic pumps are connected in series between the extraction pipe and the water inlet at the upper end of the insulation pipe, and between the circulation interface and the water outlet at the lower end of the insulation pipe. The input end of each peristaltic pump is electrically connected to the output end of an external controller to realize the circulation of warm water.

[0007] Furthermore, the extrusion mechanism includes a cylinder, a piston, and a die frame. The cylinder is fixedly connected to the middle of the upper surface of the base. The die frame is fixedly connected to the right end of the cylinder's telescopic end. The piston is fixedly connected to the upper end of the front side of the die frame. The piston is slidably connected to the inside of the conveying pipe. The air inlet of the cylinder is connected to the air outlet of an external air pump to realize the extrusion of the raw liquid.

[0008] Furthermore, the extrusion mechanism also includes support rods, which are uniformly fixed to the four corners of the front side of the I-beam frame. The front ends of the support rods are slidably connected to the interior of adjacent through holes in the rear support plate, making the piston sliding more stable.

[0009] Furthermore, the stirring mechanism includes an inner spiral ribbon, a rotating shaft, a motor, and an outer spiral ribbon. The motor is fixedly connected to the upper surface of the end cap of the storage tank. The lower end of the motor's output shaft is fixedly connected to the rotating shaft, and the lower end of the rotating shaft is fixedly connected to the inner and outer spiral ribbons. The inner and outer spiral ribbons rotate in opposite directions. The input end of the motor is electrically connected to the output end of an external controller to stir the raw liquid.

[0010] Furthermore, a water level gauge is fixedly connected to the rear end of the outer arc surface of the insulated tank to facilitate observation of the water level.

[0011] Furthermore, the bottom wall of the insulated tank is fixedly connected with uniformly distributed temperature sensors, all of which are bidirectionally electrically connected to an external controller to detect the water temperature.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows: This anti-clogging conveying mechanism for filling polyurethane shoe sole concentrate has the following advantages: The insulation tank keeps the storage tank warm by water bath heating. Two peristaltic pumps circulate warm water between the storage tank and the insulation pipes to keep the filling pipes inside the insulation pipes warm. At the same time, the motor stirs the polyurethane shoe sole concentrate inside the storage tank, making the polyurethane shoe sole concentrate heat up more evenly and increasing its fluidity, reducing the problem of blockage during the filling of polyurethane shoe sole concentrate. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a cross-sectional structural diagram of the present invention; Figure 3 This is a partial cross-sectional structural diagram of the conveying pipeline of this utility model.

[0014] In the diagram: 1. Base, 2. Storage tank, 3. Insulation mechanism, 31. Insulation tank, 32. Heating rod, 33. Filling pipe, 34. Insulation pipe, 35. Support, 36. Extraction pipe, 37. Circulation interface, 38. Peristaltic pump, 4. Stirring mechanism, 41. Inner threaded ribbon, 42. Rotary shaft, 43. Motor, 44. Outer threaded ribbon, 5. Conveying pipe, 6. Extrusion mechanism, 61. Cylinder, 62. Piston, 63. Support rod, 64. I-beam frame, 7. Water level gauge, 8. Temperature sensor, 9. Support plate. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0016] Please see Figure 1-3 This embodiment provides a technical solution: a polyurethane shoe sole raw material filling anti-clogging conveying mechanism, including a base 1, a heat preservation mechanism 3 and a stirring mechanism 4; Base 1: Its upper surface is fixedly connected to symmetrically distributed support plates 9. An extrusion mechanism 6 is provided at the lower end of the rear support plate 9. The extrusion mechanism 6 includes a cylinder 61, a piston 62, and a die frame 64. The cylinder 61 is fixedly connected to the middle of the upper surface of the base 1. The right end of the telescopic end of the cylinder 61 is fixedly connected to the die frame 64. The piston 62 is fixedly connected to the upper end of the front side of the die frame 64. The piston 62 is slidably connected to the inside of the conveying pipe 5. The air inlet of the cylinder 61 is connected to the air outlet of an external air pump. The extrusion mechanism 6 also includes a support rod 63. Support rods 63 are evenly fixed to the four corners of the front side of the I-frame 64. The front ends of the support rods 63 are slidably connected to the adjacent through holes of the rear support plate 9. The original liquid inside the heat preservation tank 31 flows into the interior of the conveying pipe 5. The telescopic end of the cylinder 61 retracts, driving the piston 62 and the I-frame 64 to move forward. The support rods 63 move forward synchronously to improve stability. The piston 62 slides forward inside the conveying pipe 5, squeezing the original liquid inside the conveying pipe 5 into the interior of the filling pipe 33. The filling is achieved through the reciprocating motion of the piston 62. The insulation mechanism 3 includes an insulation tank 31, a heating rod 32, a filling pipe 33, and an insulation pipe 34. The insulation tank 31 is fixedly connected to the middle of the upper surface of the base 1. A storage tank 2 is fixedly connected to the bottom wall of the insulation tank 31. A conveying pipe 5 is fixedly connected to the lower end of the storage tank 2. The conveying pipe 5 is fixedly connected between two support plates 9. The conveying pipe 5 is configured to cooperate with the extrusion mechanism 6. The front end of the conveying pipe 5 is threadedly connected to the filling pipe 33. An insulation pipe 34 is provided outside the filling pipe 33. The input end of the heating rod 32 is electrically connected to the output end of an external controller. The insulation mechanism 3 also includes a bracket 35, an extraction pipe 36, a circulation interface 37, and a peristaltic pump 38. The bracket 35 is fixedly connected to the upper surface of the base 1. Peristaltic pumps 38 distributed front and rear are fixedly connected to the upper surface of the bracket 35. The extraction pipe 36 is fixedly connected to the left side of the upper surface of the insulation tank 31. A circulation interface 37 is fixedly connected to the right side of the upper surface of the heat preservation tank 31. Peristaltic pumps 38 are connected in series between the inlet of the extraction pipe 36 and the upper end of the insulation pipe 34, and between the circulation interface 37 and the lower end of the insulation pipe 34. The input end of the peristaltic pump 38 is electrically connected to the output end of an external controller. The heating rod 32 heats the clean water inside the heat preservation tank 31 and performs water bath heating on the storage tank 2. The peristaltic pump 38 on the rear side extracts the warm water inside the heat preservation tank 31 and sends it into the interior of the insulation pipe 34 to heat the insulation pipe 34. The lower end of the extraction pipe 36 is located at the lower end of the interior of the heat preservation tank 31 to prevent the water level in the heat preservation tank 31 from being too low to extract warm water. The peristaltic pump 38 on the front side sends the water inside the insulation pipe 34 back to the heat preservation tank 31 to realize the circulation of warm water (the hoses connecting the two peristaltic pumps 38 can be covered with sponge insulation tubes to reduce heat loss). A water level gauge 7 is fixedly connected to the rear end of the outer arc surface of the heat preservation tank 31. Temperature sensors 8 are uniformly distributed and fixedly connected to the bottom wall of the heat preservation tank 31. The temperature sensors 8 are all bidirectionally electrically connected to an external controller. Through the water level gauge 7 (the water level gauge 7 is a glass tube liquid level gauge, which measures the liquid level height of various liquids based on the principle that liquids form water columns under the action of gravity), the temperature sensors 8 detect the water temperature at various positions on the bottom wall of the heat preservation tank 31 and feed it back to the external controller (the main controller of the filling line). The average temperature of the water detected by the temperature sensors 8 is the water temperature inside the heat preservation tank 31. Stirring mechanism 4: It is located in the middle of storage tank 2. Stirring mechanism 4 includes inner spiral ribbon 41, rotating shaft 42, motor 43 and outer spiral ribbon 44. Motor 43 is fixedly connected to the upper surface of end cap of storage tank 2. The lower end of output shaft of motor 43 is fixedly connected to rotating shaft 42. The lower end of rotating shaft 42 is fixedly connected to inner spiral ribbon 41 and outer spiral ribbon 44. Inner spiral ribbon 41 and outer spiral ribbon 44 rotate in opposite directions. Input end of motor 43 is electrically connected to output end of external controller. Motor 43 drives rotating shaft 42 to rotate. Inner spiral ribbon 41 and outer spiral ribbon 44 are selected. When outer spiral ribbon 44 drives the internal raw liquid upward and rotates, inner spiral ribbon 41 drives the internal raw liquid downward and rotates, which enhances the shear force and flow complexity of raw liquid, making the raw liquid more evenly heated and with better fluidity.

[0017] The working principle of the anti-clogging conveying mechanism for filling polyurethane shoe sole raw material provided by this utility model is as follows: Place the anti-clogging conveying mechanism for filling polyurethane shoe sole raw material at the filling position of the filling line, connect the upper end of the filling pipe 33 to the equipment or filling barrel that needs to be filled, open the end cap of the heat preservation tank 31, pour in the polyurethane shoe sole raw material, and carry out the filling operation. Before filling, clean water is injected through the water inlet at the top of the outer arc surface of the insulated tank 31. The water level gauge 7 (a glass tube level gauge, which measures the liquid level height of various liquids based on the principle that liquids form a water column under gravity) and the temperature sensor 8 detect the water temperature at various positions on the bottom wall of the insulated tank 31 and feed it back to the external controller (the main controller of the filling line). The average temperature of the water detected by the temperature sensor 8 is the water temperature inside the insulated tank 31. Heating rod 32 heats the water inside the insulation tank 31 and provides water bath heating for storage tank 2. Peristaltic pump 38 at the rear draws warm water from the insulation tank 31 and sends it into the insulation pipe 34 to heat the insulation pipe 34. The lower end of the extraction pipe 36 is located at the lower end of the insulation tank 31 to prevent the water level in the insulation tank 31 from being too low to draw warm water. Peristaltic pump 38 at the front sends the water inside the insulation pipe 34 back to the insulation tank 31 to achieve warm water circulation (the hoses connecting the two peristaltic pumps 38 can be covered with sponge insulation tubes to reduce heat loss). Motor 43 drives shaft 42 to rotate. The inner helical ribbon 41 and the outer helical ribbon 44 are selected. When the outer helical ribbon 44 drives the internal raw liquid upward and rotates, the inner helical ribbon 41 drives the internal raw liquid downward and rotates, which enhances the shear force and flow complexity of the raw liquid, making the raw liquid heat more evenly and with better fluidity. The raw liquid inside the heat preservation tank 31 flows into the interior of the delivery pipe 5. The telescopic end of the cylinder 61 retracts, driving the piston 62 and the I-beam frame 64 to move forward. The support rod 63 moves forward synchronously to improve stability. The piston 62 slides forward inside the delivery pipe 5, squeezing the raw liquid inside the delivery pipe 5 into the interior of the filling pipe 33. The filling is achieved through the reciprocating motion of the piston 62.

[0018] It is worth noting that the peristaltic pump 38 disclosed in the above embodiments can be an OEM series peristaltic pump, the temperature sensor 8 can be a PT100 temperature sensor, and the heating rod 32 and motor 43 can be freely configured according to the actual application scenario. The external controller controls the operation of the peristaltic pump 38, the temperature sensor 8, the heating rod 32 and the motor 43 using methods commonly used in the prior art.

[0019] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A clog-proof conveying mechanism for filling polyurethane shoe sole concentrate, characterized in that: It includes a base (1), a heat preservation mechanism (3), and a stirring mechanism (4); Base (1): Its upper surface is fixedly connected with a support plate (9) symmetrically distributed in front and back, and the lower end of the support plate (9) at the rear end is provided with an extrusion mechanism (6). The heat preservation mechanism (3) includes a heat preservation tank (31), a heating rod (32), a filling pipe (33) and a heat preservation pipe (34). The heat preservation tank (31) is fixedly connected to the middle of the upper surface of the base (1). The bottom wall of the heat preservation tank (31) is fixedly connected to a storage tank (2). The lower end of the storage tank (2) is fixedly connected to a conveying pipe (5). The conveying pipe (5) is fixedly connected between two support plates (9). The conveying pipe (5) is configured to cooperate with the extrusion mechanism (6). The front end of the conveying pipe (5) is threadedly connected to the filling pipe (33). The outside of the filling pipe (33) is provided with a heat preservation pipe (34). The input end of the heating rod (32) is electrically connected to the output end of an external controller. Stirring mechanism (4): It is located in the middle of the storage tank (2).

2. The anti-clogging conveying mechanism for filling polyurethane shoe sole concentrate according to claim 1, characterized in that: The heat preservation mechanism (3) also includes a bracket (35), an extraction pipe (36), a circulation interface (37), and a peristaltic pump (38). The bracket (35) is fixedly connected to the upper surface of the base (1). The peristaltic pump (38) is fixedly connected to the upper surface of the bracket (35) and distributed in the front and back. The extraction pipe (36) is fixedly connected to the left side of the upper surface of the heat preservation tank (31), and the circulation interface (37) is fixedly connected to the right side of the upper surface of the heat preservation tank (31). The peristaltic pump (38) is connected in series between the extraction pipe (36) and the water inlet at the upper end of the heat preservation pipe (34) and between the circulation interface (37) and the water outlet at the lower end of the heat preservation pipe (34). The input end of the peristaltic pump (38) is electrically connected to the output end of an external controller.

3. The anti-clogging conveying mechanism for filling polyurethane shoe sole concentrate according to claim 1, characterized in that: The extrusion mechanism (6) includes a cylinder (61), a piston (62), and a die frame (64). The cylinder (61) is fixedly connected to the middle of the upper surface of the base (1). The die frame (64) is fixedly connected to the right end of the telescopic end of the cylinder (61). The piston (62) is fixedly connected to the upper end of the front side of the die frame (64). The piston (62) is slidably connected to the inside of the conveying pipe (5). The air inlet of the cylinder (61) is connected to the air outlet of the external air pump.

4. The anti-clogging conveying mechanism for filling polyurethane shoe sole concentrate according to claim 3, characterized in that: The extrusion mechanism (6) also includes support rods (63), which are uniformly fixed to the four corners of the front side of the I-frame (64), and the front ends of the support rods (63) are slidably connected to the interior of the adjacent through holes of the rear support plate (9).

5. The anti-clogging conveying mechanism for filling polyurethane shoe sole concentrate according to claim 1, characterized in that: The stirring mechanism (4) includes an inner spiral ribbon (41), a rotating shaft (42), a motor (43), and an outer spiral ribbon (44). The motor (43) is fixedly connected to the upper surface of the end cap of the storage tank (2). The lower end of the output shaft of the motor (43) is fixedly connected to the rotating shaft (42). The lower end of the rotating shaft (42) is fixedly connected to the inner spiral ribbon (41) and the outer spiral ribbon (44). The inner spiral ribbon (41) and the outer spiral ribbon (44) rotate in opposite directions. The input end of the motor (43) is electrically connected to the output end of an external controller.

6. The anti-clogging conveying mechanism for filling polyurethane shoe sole concentrate according to claim 1, characterized in that: A water level gauge (7) is fixedly connected to the rear end of the outer arc surface of the heat preservation tank (31).

7. The anti-clogging conveying mechanism for filling polyurethane shoe sole concentrate according to claim 1, characterized in that: The bottom wall of the insulated tank (31) is fixedly connected with uniformly distributed temperature sensors (8), and all temperature sensors (8) are bidirectionally electrically connected to an external controller.

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