Automatic feeding mechanism for PU (polyurethane) foaming material of automobile sound insulation cotton

Abstract

The utility model discloses an automatic feeding mechanism for automobile sound insulation cotton PU (polyurethane) foaming materials, which relates to the technical field of automatic foaming material feeding appliances and comprises a reaction kettle, a feeding port is arranged on one side of the upper end of the reaction kettle, a stirring motor is mounted at the upper end of the reaction kettle, a stirring row is mounted at the shaft end of the stirring motor, and a discharging pipe is mounted on the other side of the bottom end of the reaction kettle. A high-pressure pump is installed at the upper end of the middle of the discharging pipe, an electronic valve is installed at the other end of the discharging pipe, and a conversion head is installed at a discharging port of the discharging pipe. Through cooperation between the high-pressure pump and the electronic valve, equal-volume materials of completely-reacted foaming materials can be conveniently conveyed into a mold under the set technology, and the feeding stability is improved; and through cooperation of the stepping motor, the lifting motor and the moving motor, raw materials can be conveniently and accurately conveyed to a mold raw material input port, fault tolerance caused by manual work is reduced, the production efficiency is improved, and waste of the raw materials is reduced.

Description

Technical Field

[0001] This utility model relates to the technical field of automatic feeding devices for foamed materials, and in particular to an automatic feeding mechanism for automotive sound insulation cotton PU polyurethane foamed materials. Background Technology

[0002] With the continuous development of the automotive industry, consumers have increasingly higher requirements for the comfort of automobiles. As an important component for reducing in-vehicle noise and improving driving comfort, the demand for automotive sound insulation cotton is also increasing. In order to improve the production efficiency and quality of automotive sound insulation cotton, more advanced production equipment and technology are needed. Automatic feeding mechanism is one of the key links. Traditional automotive sound insulation cotton manufacturing suffers from uneven raw material mixing: manual stirring easily leads to component deviation, affecting foam density and sound insulation performance; low production efficiency: multiple process switching relies on manual handling, which is time-consuming and poses safety risks; poor equipment adaptability: it cannot automatically feed foaming materials to the mold, requiring manual guidance, etc.; insufficient feeding stability: in the traditional process, manual control of the flow of raw materials into the mold is required, making it impossible to accurately control the output capacity of liquid or granular raw materials during transportation, affecting continuous production; manual labor leads to material waste. Therefore, the above problems need to be improved. Utility Model Content

[0003] The purpose of this utility model is to address the shortcomings of existing technologies by proposing an automatic feeding mechanism for automotive sound insulation cotton PU polyurethane foam material.

[0004] To achieve the above objectives, the present invention adopts the following technical solution: an automatic feeding mechanism for automotive sound insulation cotton PU polyurethane foam material, including a reaction vessel, a feed inlet on one side of the upper end of the reaction vessel, a stirring motor installed on the upper end of the reaction vessel, a stirring plate installed on the shaft end of the stirring motor, a discharge pipe installed on the other side of the bottom end of the reaction vessel, a high-pressure pump installed at the upper middle part of the discharge pipe, an electronic valve installed at the other end of the discharge pipe, and a conversion head installed at the discharge port of the discharge pipe.

[0005] Preferably, there is a support frame on the other side of the reactor. The support frame has a first toothed groove at the front and rear ends of the upper part of the support frame, and a limiting groove is opened laterally at the front and rear ends of the top of the support frame. A first sliding table is slidably connected to the upper end of the limiting groove at the front and rear ends. A stepper motor is installed at the rear end of the top surface of the first sliding table. The output shaft of the stepper motor passes through the first sliding table, and a first gear is installed at the lower end of the output shaft of the stepper motor. The first gear meshes with the first toothed groove for transmission.

[0006] Preferably, a support plate is installed at the front and rear ends of the top of the first sliding table, a winding frame is provided between the two support plates, and two second limiting rollers are installed at the upper and lower ends on the other side between the two support plates. The two ends of the winding frame are rotatably connected to the support plate through bearings, and the internal support shaft of the winding frame is hollow. A winding motor is installed on the front end face of the front support plate, and the output shaft of the winding motor is connected to the support shaft of the winding frame through a coupling.

[0007] Preferably, a first sliding groove group and a second sliding groove group are longitudinally formed on the other side of the top surface of the first sliding table, and a second toothed groove is longitudinally formed on the other side of the top surface of the first sliding table. The second toothed groove is located between the first sliding groove group and the second sliding groove group. The first sliding groove group is located on one side of the second sliding groove group, and an opening is formed through the inner side of the first sliding groove group. A moving motor is slidably connected to the second sliding groove group. Lifting motors are installed at the front and rear ends of the moving motor. The two lifting motors are slidably connected to the second sliding groove group, and a second gear is fixedly connected to the output shaft of the moving motor. The second gear meshes with the second toothed groove for transmission. A second sliding table is slidably connected to the upper end of the first sliding groove group. The output shaft of the lifting motor passes through the second sliding table, and a third gear is fixedly connected to one end of the output shaft of the lifting motor. The two third gears are located inside the second sliding table.

[0008] Preferably, the top surface of the second sliding table is provided with a guide opening, and the bottom end of the second sliding table is provided with an L-shaped fixing plate. The front and rear ends of the L-shaped fixing plate are vertically mounted with racks, which mesh with a third gear. On the other side of the front and rear ends of the L-shaped fixing plate, a plurality of equidistant guide rings are vertically mounted. A guide rod passes through the guide rings at the same end. The upper end of the guide rod passes through the second sliding table, and the guide rod is fixed to the second sliding table.

[0009] Preferably, a first limiting roller is rotatably connected to one side of the inside of the support frame. The lower end of the first limiting roller abuts against a connecting pipe. One end of the connecting pipe is connected to the conversion head, and the other end of the connecting pipe is wound around the winding frame. The other end of the connecting pipe passes through the support shaft from the rear end of the winding frame and protrudes from the rear end of the support shaft. The other end of the connecting pipe is connected to a discharge pipe. One end of the discharge pipe is rotatably connected to the winding frame, and the other end of the discharge pipe is installed on the inner side of the L-shaped fixing plate.

[0010] Compared with the prior art, the beneficial effects of this utility model are as follows: The cooperation between the reaction vessel, the stirring motor, and the stirring plate facilitates the reduction of component deviations in the proportioned raw materials, thereby improving the foaming density and sound insulation performance of the foaming material; the cooperation between the high-pressure pump and the electronic valve facilitates the transport of fully reacted foaming material to the mold under the set process, improving the stability of material feeding; the cooperation between the stepper motor, the lifting motor, and the moving motor facilitates the accurate delivery of raw materials to the mold's raw material input port, reducing human error, improving production efficiency, and reducing raw material waste. Attached Figure Description

[0011] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:

[0012] Figure 1 This is a schematic diagram of the overall structure proposed in this utility model;

[0013] Figure 2 The present utility model proposes Figure 1 Enlarged schematic diagram of the structure at part A in the middle;

[0014] Figure 3 This is a schematic diagram of the reaction vessel and stirring motor proposed in this utility model;

[0015] Figure 4 This is a partial structural cross-sectional view of the present invention;

[0016] Figure 5 This is a partial structural schematic diagram of the present invention;

[0017] Figure 6 The present utility model proposes Figure 5 Enlarged schematic diagram of the structure in part B.

[0018] The numbers in the diagram are as follows: 1. Reactor; 2. Stirring motor; 3. Feed inlet; 4. High-pressure pump; 5. Electronic valve; 6. Converter head; 7. First limiting roller; 8. Stepper motor; 9. First sliding table; 10. Rewinding motor; 11. Rewinding frame; 12. Support frame; 13. Second sliding table; 14. Moving motor; 15. Lifting motor; 16. Guide rod; 17. L-shaped fixing plate; 18. Third gear; 19. Rack; 20. Second limiting roller. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0020] Example: See Figure 1-6 The automatic feeding mechanism for automotive sound insulation cotton (PU) foam material of this utility model includes a reaction vessel 1, which serves as a reaction and storage container for the foam material. A feed inlet 3 is located on one side of the upper end of the reaction vessel 1, allowing the raw materials required for the foam material to enter the reaction vessel 1. A stirring motor 2 is installed on the upper end of the reaction vessel 1, with a stirring plate installed on the shaft end of the stirring motor 2, which facilitates the stirring of the raw materials in the reaction vessel 1 to ensure a thorough reaction. A discharge pipe is installed on the other side of the bottom of the reaction vessel 1, with a high-pressure pump 4 installed at the upper middle part of the discharge pipe, which facilitates the transport of the foam material in the reaction vessel 1. An electronic valve 5 is installed at the other end of the discharge pipe, which controls the volume of the foam material flowing out. A converter head 6 is installed at the discharge port of the discharge pipe, which facilitates the installation and replacement of output pipes with different radii. A support frame 12 is located on the other side of the reaction vessel 1, with first toothed grooves at the front and rear ends of the upper part of the support frame 12. A limiting groove is laterally formed at both the front and rear ends. A first sliding table 9 is slidably connected to the upper end of the limiting groove. A stepper motor 8 is mounted on the rear end of the top surface of the first sliding table 9. The output shaft of the stepper motor 8 passes through the first sliding table 9, and a first gear is mounted on the lower end of the output shaft of the stepper motor 8. The stepper motor 8 facilitates the control of the movement of the first sliding table 9 on the X-axis. The first gear meshes with the first tooth groove for transmission. Support plates are mounted on the front and rear ends of the top surface of the first sliding table 9, and a winding frame 11 is provided between the two support plates. The winding frame 11 facilitates the movement of the first sliding table 9 on the X-axis. The output tubes are collected in a concentrated manner; and two second limiting rollers 20 are installed on the upper and lower ends of the other side between the two support plates. The second limiting rollers 20 facilitate the movement of the output tubes and reduce the wear of the output tubes; the two ends of the winding frame 11 are rotatably connected to the support plates through bearings, and the internal support shaft of the winding frame 11 is hollow. The front end face of the front support plate is equipped with a winding motor 10, which facilitates the control of the winding and unwinding of the winding frame 11; the output shaft of the winding motor 10 is connected to the support shaft of the winding frame 11 through a coupling.

[0021] In this invention, a first sliding groove group and a second sliding groove group are longitudinally formed on the other side of the top surface of the first sliding table 9, and a second toothed groove is longitudinally formed on the other side of the top surface of the first sliding table 9. The second toothed groove is located between the first sliding groove group and the second sliding groove group. The first sliding groove group is located on one side of the second sliding groove group, and a through opening is formed on the inner side of the first sliding groove group. A moving motor 14 is slidably connected to the second sliding groove group, which facilitates the movement of the second sliding table 13 on the Y-axis. Lifting motors 15 are installed at the front and rear ends of the moving motor 14, and the two lifting motors 15 are slidably connected to the second sliding groove group, which facilitates the control of the movement of the L-shaped fixed plate 17 on the Z-axis. A second gear is fixedly connected to the output shaft of the moving motor 14, and the second gear meshes with the second toothed groove for transmission. The second sliding table 13 is slidably connected to the upper end of the first sliding groove group, and the output shaft of the lifting motor 15 passes through the second sliding table 13. A third toothed groove is fixedly connected to one end of the output shaft of the lifting motor 15. Wheel 18 and two third gears 18 are placed inside the second sliding table 13. The top surface of the second sliding table 13 has a guide opening, and the bottom end of the second sliding table 13 has an L-shaped fixing plate 17. Racks 19 are vertically installed at the front and rear ends of the L-shaped fixing plate 17, and the racks 19 mesh with the third gears 18. On the other side of the front and rear ends of the L-shaped fixing plate 17, multiple equidistant guide rings are vertically installed. A guide rod 16 passes through the guide rings at the same end. The upper end of the guide rod 16 passes through the second sliding table 13, and the guide rod 16... Fixed to the second sliding table 13, the support frame 12 is rotatably connected to one side of the inside. The lower end of the first limiting roller 7 abuts against a connecting pipe. One end of the connecting pipe is connected to the conversion head 6, and the other end of the connecting pipe is wound around the winding frame 11. The other end of the connecting pipe passes through the support shaft from the rear end of the winding frame 11 and protrudes from the rear end of the support shaft. The other end of the connecting pipe is connected to a discharge pipe. One end of the discharge pipe is rotatably connected to the winding frame 11, and the other end of the discharge pipe is installed on the inner side of the L-shaped fixing plate 17.

[0022] Working Principle: When using this utility model, first connect all electrical equipment with wires and power it on. Connect the output pipes required for different processes to the converter head 6. The output pipes will be connected to the left end of the take-up frame 11 through the bottom end of the first limiting roller 7, and then installed into the L-shaped fixing plate 17 through the second limiting roller 20. Put the raw materials required for foaming material into the reaction vessel 1 through the feed port 3. Start the stirring motor 2. Through the rotation of the stirring motor 2, the raw materials in the reaction vessel 1 will react fully. Open the high-pressure pump 4 and the electronic valve 5. Observe whether there is foaming material flowing out from the end of the L-shaped fixing plate 17. When foaming material is seen flowing out from the end of the L-shaped fixing plate 17, close the electronic valve 5. The pre-designed program stepper motor 8 will start and drive the first sliding table 9 to move on the X-axis at the upper end of the support frame 12. The take-up frame 11 will rotate with the movement of the first sliding table 9, and the output pipe on it will also rotate. When the X-axis is reached... Once the predetermined Y-axis coordinate is reached, the stepper motor 8 is turned off, and the moving motor 14 is started to drive the lifting motor 15 and the second sliding table 13 to the desired Y-axis coordinate point. After reaching the Y-axis coordinate point, the moving motor 14 is turned off, and the lifting motor 15 is started. The lifting motor 15 will drive the L-shaped fixing plate 17 to move on the Z-axis. The guide rod 16 on the second sliding table 13 will stabilize the L-shaped fixing plate 17. When the predetermined Z-axis coordinate is reached, the lifting motor 15 is turned off and the stepper motor 8 is started, so that the end of the L-shaped fixing plate 17 can be stably placed at the mold input port. Then the stepper motor 8 is turned off and the electronic valve 5 is started. After the injection is completed, the lifting motor 15 and the moving motor 14 reverse to reset. When the stepper motor 8 reverses to reset, the winding motor 10 also rotates and drives the winding frame 11 to reverse and retract the excess output tube until it returns to the initial position. When encountering multiple molds, the same steps are followed. Finally, the high-pressure pump 4 and the electronic valve 5 are turned off, and then the power is cut off.

[0023] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. An automatic feeding mechanism for automotive sound insulation cotton PU polyurethane foam material, comprising a reaction vessel (1), characterized in that: The reactor (1) has a feed inlet (3) on one side of its upper end, and a stirring motor (2) is installed on the upper end of the reactor (1). A stirring plate is installed on the shaft end of the stirring motor (2). A discharge pipe is installed on the other side of the bottom end of the reactor (1). A high-pressure pump (4) is installed at the upper middle part of the discharge pipe. An electronic valve (5) is installed at the other end of the discharge pipe. A converter (6) is installed at the discharge port of the discharge pipe.

2. The automatic feeding mechanism for automotive sound insulation cotton PU polyurethane foam material according to claim 1, characterized in that: On the other side of the reactor (1), there is a support frame (12). The support frame (12) has a first toothed groove at the front and rear ends inside. The support frame (12) has a limiting groove at the front and rear ends of the top. The upper end of the limiting groove at the front and rear ends is slidably connected to a first sliding table (9). A stepper motor (8) is installed at the rear end of the top surface of the first sliding table (9). The output shaft of the stepper motor (8) passes through the first sliding table (9). A first gear is installed at the lower end of the output shaft of the stepper motor (8). The first gear meshes with the first toothed groove for transmission.

3. The automatic feeding mechanism for automotive sound insulation cotton PU polyurethane foam material according to claim 2, characterized in that: The first sliding table (9) has a support plate installed at the front and rear ends of its top surface. A winding frame (11) is provided between the two support plates. Two second limiting rollers (20) are installed at the upper and lower ends of the other side between the two support plates. The winding frame (11) is rotatably connected to the support plate through bearings at both ends. The internal support shaft of the winding frame (11) is hollow. A winding motor (10) is installed on the front end face of the front support plate. The output shaft of the winding motor (10) is connected to the support shaft of the winding frame (11) through a coupling.

4. The automatic feeding mechanism for automotive sound insulation cotton PU polyurethane foam material according to claim 3, characterized in that: The first sliding table (9) has a first sliding groove group and a second sliding groove group longitudinally opened on the other side of its top surface, and a second tooth groove is longitudinally opened on the other side of its top surface. The second tooth groove is placed between the first sliding groove group and the second sliding groove group. The first sliding groove group is placed on one side of the second sliding groove group, and a through opening is opened through the inner side of the first sliding groove group. A moving motor (14) is slidably connected to the second sliding groove group. A lifting motor (15) is installed at the front and rear ends of the moving motor (14). The two lifting motors (15) are slidably connected to the second sliding groove group. The output shaft of the moving motor (14) is fixedly connected to a second gear. The second gear meshes with the second tooth groove for transmission. The upper end of the first sliding groove group is slidably connected to a second sliding table (13). The output shaft of the lifting motor (15) passes through the second sliding table (13). One end of the output shaft of the lifting motor (15) is fixedly connected to a third gear (18). The two third gears (18) are placed inside the second sliding table (13).

5. The automatic feeding mechanism for automotive sound insulation cotton PU polyurethane foam material according to claim 4, characterized in that: The second sliding table (13) has a guide opening on its top surface and an L-shaped fixing plate (17) at its bottom. The L-shaped fixing plate (17) has a rack (19) vertically mounted on its front and rear ends. The rack (19) meshes with the third gear (18). The L-shaped fixing plate (17) has multiple equidistant guide rings vertically mounted on the other side of its front and rear ends. A guide rod (16) passes through the guide rings at the same end. The upper end of the guide rod (16) passes through the second sliding table (13) and is fixed to the second sliding table (13).

6. The automatic feeding mechanism for automotive sound insulation cotton PU polyurethane foam material according to claim 5, characterized in that: The support frame (12) is rotatably connected to a first limiting roller (7) on one side. The lower end of the first limiting roller (7) abuts against a connecting pipe. One end of the connecting pipe is connected to the conversion head (6), and the other end of the connecting pipe is wound around the winding frame (11). The other end of the connecting pipe passes through the support shaft from the rear end of the winding frame (11) and protrudes from the rear end of the support shaft. The other end of the connecting pipe is connected to a discharge pipe. One end of the discharge pipe is rotatably connected to the winding frame (11), and the other end of the discharge pipe is installed on the inner side of the L-shaped fixing plate (17).

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