A MDI liquefaction feeding metering device

Abstract

The utility model relates to the technical field of chemical industry, and discloses an MDI liquefaction feeding metering device, comprising a processing box, a feeding pipeline is fixedly installed on the upper surface of the processing box, a notch is opened on the right surface of the feeding pipeline, and a fixing frame is fixedly connected to the right surface of the notch. The utility model can accurately meter and feed the existing MDI liquefaction feeding material in the processing box through the manual matching of the hopper, can collect the feeding data of each time in real time, and then carry out corresponding material proportioning, improve the accuracy of feeding metering, and ensure the stability of MDI liquefaction through the coordination among the processing box, the feeding pipeline, the notch, the fixing frame, the slide bar, the hopper, the slot hole, the handle, the bracket, the pressure weighing plate, the signal collector, the display panel and other structures.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical industry, in particular to an MDI liquefaction feeding metering device. Background Art

[0002] MDI is a polyurethane material synthesized from isocyanate, polyol and its auxiliary agents. With its excellent performance, various varieties and wide applications, it is unique among many synthetic materials and has become one of the fastest growing materials today. Isocyanate is the main raw material for synthesizing polyurethane materials.

[0003] MDI is one of the important monomers for preparing polyurethane due to its high reactivity and rigid groups. However, it is in a solid state at room temperature, which brings many inconveniences to its direct application at room temperature. Therefore, it is of great significance to study how to directly transform MDI from a solid state at room temperature into a liquid state without changing its main structure and performance. However, in the existing processing, the material feeding method is usually manually fed, but this method of feeding cannot ensure the metering of the feeding, and the manual visual data has certain errors, so it cannot meet the quantitative processing of the material.

[0004] For this reason, we propose a MDI liquefaction feeding metering device. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the shortcomings of the prior art, the utility model provides an MDI liquefaction feeding and metering device, which overcomes the shortcomings of the prior art and solves the problem that in the background technology, due to the existing processing, the material feeding method is usually manual feeding, but this method of feeding cannot ensure the metering of the feeding, and the manual visual data has a certain error, so it cannot meet the problem of quantitative processing of the material.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an MDI liquefaction feeding and metering device, comprising a processing box, a feed pipe is fixedly installed on the upper surface of the processing box, a notch is provided on the right surface of the feed pipe, a fixing frame is fixedly connected to the right surface of the notch, a sliding rod is fixedly inserted between the front and rear inner walls of the fixing frame, a hopper is movably installed on the right surface of the feed pipe, a slot is provided on the front surface of the hopper, a handle is fixedly connected to the right surface of the hopper, a bracket is fixedly connected to the right surface of the feed pipe, a pressure weighing plate is fixedly installed on the upper surface of the bracket, a signal collector is fixedly installed on the upper surface of the processing box, and a display panel is fixedly installed on the upper surface of the processing box.

[0009] Preferably, a stirring tank is provided on the front surface of the processing box, a control panel is fixedly installed on the outer surface of the stirring tank, an insulating sleeve is fixedly installed on the outer surface of the stirring tank, a heating wire is fixedly installed on the inner surface of the insulating sleeve, a discharge valve is fixedly installed on the right surface of the stirring tank, a cover plate is fixedly installed on the upper surface of the stirring tank, a feed port is fixedly installed on the upper surface of the cover plate, a motor is fixedly installed on the upper surface of the cover plate, and a stirring rod is rotatably provided on the lower surface of the cover plate.

[0010] Preferably, the hopper and the pressure weighing plate are arranged in a close fit, and the slide rod and the slot hole are arranged in a corresponding sliding manner.

[0011] Preferably, the hopper and the notch are arranged correspondingly, and the display panel, the signal collector and the pressure weighing plate are electrically connected.

[0012] Preferably, the control panel is electrically connected to the heating wire, the heating wire is wound around the outer surface of the stirring tank, and the output end of the motor is fixedly connected to the upper surface of the stirring rod.

[0013] (III) Beneficial effects

[0014] Compared with the prior art, the utility model provides an MDI liquefaction feeding metering device, which has the following beneficial effects:

[0015] 1. The MDI liquefaction feeding metering device, through the coordination among the processing box, feeding pipe, notch, fixing frame, sliding rod, hopper, slot, handle, bracket, pressure weighing plate, signal collector, display panel and other structures, can accurately meter and feed the existing MDI liquefaction feeding materials into the processing box through manual coordination with the hopper, can collect the feeding data of each time in real time, and then make corresponding material proportions, so as to improve the accuracy of feeding metering and ensure the stability of MDI liquefaction.

[0016] 2. The MDI liquefaction feeding metering device can heat and stir the MDI material in batches and quantitatively before processing and use through the coordination of the stirring tank, control panel, heat-insulating sleeve, heating wire, discharge valve, cover plate, feed port, motor, stirring rod and other structures, so as to quickly form the MDI material into liquid state, facilitate subsequent processing and improve the efficiency of the preliminary processing work. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the explosion structure of the hopper and its related structures of the utility model;

[0019] Figure 3 It is a three-dimensional structural schematic diagram of the interior of the stirring tank and its related structures of the utility model.

[0020] In the figure: 1. Processing box; 2. Feed pipe; 3. Notch; 4. Fixed frame; 5. Sliding rod; 6. Hopper; 7. Slot hole; 8. Handle; 9. Bracket; 10. Pressure weighing plate; 11. Signal collector; 12. Display panel; 13. Mixing tank; 14. Control panel; 15. Insulating sleeve; 16. Heating wire; 17. Discharge valve; 18. Cover plate; 19. Feed port; 20. Motor; 21. Stirring rod. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Embodiment 1

[0023] See also Figure 1-Figure 2 A MDI liquefaction feeding and metering device comprises a processing box 1, a feeding pipe 2 is fixedly installed on the upper surface of the processing box 1, a notch 3 is provided on the right surface of the feeding pipe 2, a fixing frame 4 is fixedly connected to the right surface of the notch 3, a sliding rod 5 is fixedly inserted between the front and rear inner walls of the fixing frame 4, a hopper 6 is movably installed on the right surface of the feeding pipe 2, a slot 7 is provided on the front surface of the hopper 6, a handle 8 is fixedly connected to the right surface of the hopper 6, a bracket 9 is fixedly connected to the right surface of the feeding pipe 2, a pressure weighing plate 10 is fixedly installed on the upper surface of the bracket 9, a signal collector 11 is fixedly installed on the upper surface of the processing box 1, and a display panel 12 is fixedly installed on the upper surface of the processing box 1.

[0024] Specifically, through the coordination among structures such as the processing box 1, the feed pipe 2, the notch 3, the fixing frame 4, the slide bar 5, the hopper 6, the slot 7, the handle 8, the bracket 9, the pressure weighing plate 10, the signal collector 11, and the display panel 12, the existing MDI liquefaction feeding material can be added by manually coordinating the hopper 6 to accurately measure the feeding in the processing box 1, and the feeding data of each time can be collected in real time, and then the corresponding material ratio can be performed, so as to improve the accuracy of feeding metering and ensure the stability of MDI liquefaction.

[0025] In this embodiment, the hopper 6 and the pressure weighing plate 10 are arranged in a close fit, and the slide bar 5 and the slot hole 7 are arranged in a corresponding sliding manner.

[0026] Specifically, after the material is placed in the hopper 6, the weight after the pressure weighing plate 10 is removed is measured by the pressure weighing plate 10, and the amount of the currently added material is recorded and collected.

[0027] In this embodiment, the hopper 6 and the notch 3 are arranged correspondingly, and the display panel 12, the signal collector 11 and the pressure weighing plate 10 are electrically connected.

[0028] Specifically, the display panel 12, the signal collector 11 and the pressure weighing plate 10 are existing structures, and the control circuit can be implemented through simple programming by technicians in this field. It is common knowledge in this field and is only used without modification. Therefore, the control method and circuit connection will not be described in detail.

[0029] Working principle: When MDI liquefaction processing is required, the corresponding material is placed in the hopper 6, and then the quantitative amount of the material added in the hopper 6 is detected by the pressure weighing plate 10 on the bracket 9, and then the data is transmitted to the display panel 12 through the signal collector 11 for recording and display, and then the handle 8 is held, and the hopper 6 is rotated and tilted through the slot 7 in conjunction with the slide bar 5 on the fixed frame 4, and the hopper 6 is rotated in the slot 3, and then the material in the hopper 6 is poured into the feed pipe 2, and the processing work is carried out through the processing box 1.

[0030] Embodiment 2

[0031] See also Figure 1 , Figure 3 Based on the first embodiment, the present invention provides a technical solution:

[0032] In this embodiment: a stirring tank 13 is provided on the front surface of the processing box 1, a control panel 14 is fixedly installed on the outer surface of the stirring tank 13, a heat insulating sleeve 15 is fixedly installed on the outer surface of the stirring tank 13, a heating wire 16 is fixedly installed on the inner surface of the heat insulating sleeve 15, a discharge valve 17 is fixedly installed on the right surface of the stirring tank 13, a cover plate 18 is fixedly installed on the upper surface of the stirring tank 13, a feed port 19 is fixedly installed on the upper surface of the cover plate 18, a motor 20 is fixedly installed on the upper surface of the cover plate 18, and a stirring rod 21 is rotatably provided on the lower surface of the cover plate 18.

[0033] Specifically, through the coordination among the structures such as the stirring tank 13, the control panel 14, the insulating sleeve 15, the heating wire 16, the discharge valve 17, the cover plate 18, the feed port 19, the motor 20, and the stirring rod 21, the MDI material can be heated and stirred in batches before processing and use, and the material can be quickly transformed into a liquid state, which is convenient for subsequent processing and improves the efficiency of the preliminary processing work.

[0034] In this embodiment, the control panel 14 is electrically connected to the heating wire 16 , the heating wire 16 is wound around the outer surface of the stirring tank 13 , and the output end of the motor 20 is fixedly connected to the upper surface of the stirring rod 21 .

[0035] Specifically, the control panel 14 and the heating wire 16 are existing structures, and the control circuit can be implemented through simple programming by technicians in this field. It is common knowledge in this field and is only used without modification. Therefore, the control method and circuit connection will not be described in detail. The temperature of the heating wire 16 can be adjusted through the control panel 14.

[0036] Working principle: Before the MDI liquefaction work is carried out, the solid material is put into the stirring tank 13 through the feed port 19, and the temperature of the heating wire 16 in the insulation sleeve 15 is adjusted through the control panel 14 to make it reach a temperature suitable for the liquefaction of the material, and then the motor 20 on the cover 18 is turned on to drive the stirring rod 21 to rotate in the stirring tank 13, and the solid material is quickly liquefied by the stirring rod 21 in accordance with the temperature in the stirring tank 13, and then collected through the discharge valve 17 for subsequent processing and use.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An MDI liquefaction feed metering device, comprising a processing box (1), characterized in that: A feed pipe (2) is fixedly mounted on the upper surface of the processing box (1), a notch (3) is provided on the right surface of the feed pipe (2), a fixing frame (4) is fixedly connected to the right surface of the notch (3), a sliding rod (5) is fixedly inserted between the front and rear inner walls of the fixing frame (4), a hopper (6) is movably mounted on the right surface of the feed pipe (2), a notch (7) is provided on the front surface of the hopper (6), a handle (8) is fixedly connected to the right surface of the hopper (6), a bracket (9) is fixedly connected to the right surface of the feed pipe (2), a pressure weighing plate (10) is fixedly mounted on the upper surface of the bracket (9), a signal collector (11) is fixedly mounted on the upper surface of the processing box (1), and a display panel (12) is fixedly mounted on the upper surface of the processing box (1).

2. The MDI liquefaction feeding metering device according to claim 1, characterized in that: The front surface of the processing box (1) is provided with a stirring tank (13), the outer surface of the stirring tank (13) is fixedly provided with a control panel (14), the outer surface of the stirring tank (13) is fixedly provided with a heat insulating sleeve (15), the inner surface of the heat insulating sleeve (15) is fixedly provided with a heating wire (16), a discharge valve (17) is fixedly provided on the right surface of the stirring tank (13), a cover plate (18) is fixedly provided on the upper surface of the stirring tank (13), a feed port (19) is fixedly provided on the upper surface of the cover plate (18), a motor (20) is fixedly provided on the upper surface of the cover plate (18), and a stirring rod (21) is rotatably provided on the lower surface of the cover plate (18).

3. The MDI liquefaction feeding metering device according to claim 1, characterized in that: The hopper (6) and the pressure weighing plate (10) are arranged in a close fit, and the sliding rod (5) and the slot hole (7) are arranged in a corresponding sliding manner.

4. The MDI liquefaction feeding metering device according to claim 1, characterized in that: The hopper (6) and the notch (3) are arranged correspondingly, and the display panel (12), the signal collector (11) and the pressure weighing plate (10) are electrically connected.

5. The MDI liquefaction feeding metering device according to claim 2, characterized in that: The control panel (14) is electrically connected to the heating wire (16) in correspondence, the heating wire (16) is wound around the outer surface of the stirring tank (13), and the output end of the motor (20) is fixedly connected to the upper surface of the stirring rod (21).

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