Quantitative feeding equipment of polyurethane foaming machine

Abstract

The utility model discloses quantitative feeding equipment of a polyurethane foaming machine, and belongs to the technical field of polyurethane foaming machines. Comprising a foaming machine box and a machine box cover plate, the machine box cover plate is arranged at the top end of the foaming machine box in a clamped mode, a quantitative mechanism is arranged at the top end of the machine box cover plate, a first driving motor is arranged in the middle of the machine box cover plate, and a dispersing disc is arranged at the bottom end of the first driving motor through an output rod; an auxiliary assembly is arranged on the periphery of an output rod on the inner wall of a case cover plate, a quantitative mechanism is arranged, a threaded rod is rotated, so that a sealing piston slides in a transverse pipe, the capacity of a cavity is changed according to needs, accurate proportioning of two solutions is achieved, a first electromagnetic valve is started, and the quantitative mechanism is started; the solution enters the cavity of the liquid outlet pipe and the transverse pipe, the first electromagnetic valve is closed, the second electromagnetic valve is started, the solution is discharged downwards from the cavity and enters the foaming machine box to be mixed, and the proportioning speed is high.

Description

Technical Field

[0001] The present application relates to the technical field of polyurethane foaming machines, and more specifically, to a quantitative feeding device for a polyurethane foaming machine. Background Art

[0002] Working principle of polyurethane foaming machine: A and B two components of the original liquid, after precise proportioning and high-speed stirring, are transported to the stirring head by two high-precision metering pumps. After high-speed and strong stirring, the liquid is evenly sprayed out to form the desired product.

[0003] The prior art patent with publication number CN217514403U provides a polyurethane foaming machine, including a polyurethane foaming machine body, a top cover is movably installed on the upper end surface of the polyurethane foaming machine body, a resistance wire is arranged at the inner cavity of the polyurethane foaming machine body, and the inner wall of the top cover is movably sleeved with a rotating rod located inside the polyurethane foaming machine body; through the cooperation between the polyurethane foaming machine body, the stirring device and the rubber scraper, the rubber scraper is used to scrape off the material attached to the inner wall of the polyurethane foaming machine body, thereby achieving the effect of preventing the material from hanging on the inner wall of the polyurethane foaming machine body, effectively solving the problem of the material sticking to the inner wall of the polyurethane foaming machine body during stirring, and adopting the cleaning method of the rubber scraper to avoid the material sticking to the inner wall of the polyurethane foaming machine body and being difficult to fall, thereby avoiding the waste of the material, and the timely scraping of the material improves the utilization rate of the material.

[0004] Although the above-mentioned prior art solution can effectively solve the problem of materials sticking to the inner wall of the polyurethane foaming machine body during stirring by providing a stirring device and a rubber scraper, the existing polyurethane foaming machine requires two stock solutions to be mixed and stirred in a proportion, the proportioning operation is relatively complicated, and the quantitative accuracy is relatively poor, and a stable proportioning output cannot be achieved.

[0005] In view of this, we propose a quantitative feeding device for a polyurethane foaming machine. Utility Model Content

[0006] 1. Technical issues to be solved

[0007] The purpose of the present application is to provide a quantitative feeding device for a polyurethane foaming machine, which solves the technical problem that the polyurethane foaming machine cannot be quantitatively fed, achieves accurate proportioning of the stock solution, and improves the technical effect of foaming effect.

[0008] 2. Technical solution

[0009] The present application provides a quantitative feeding device for a polyurethane foaming machine, comprising a foaming chassis and a chassis cover, wherein the top of the foaming chassis is snap-fitted with the chassis cover, the top of the chassis cover is provided with a group of quantitative mechanisms, a first driving motor is provided in the middle of the chassis cover, a dispersion disk is provided at the bottom end of the first driving motor through an output rod, and an auxiliary component is provided on the periphery of the output rod on the inner wall of the chassis cover.

[0010] Preferably, the quantitative mechanism includes a liquid outlet pipe fixedly arranged above the chassis cover, a liquid storage cylinder is arranged at the top of the liquid outlet pipe, a first solenoid valve and a second solenoid valve are arranged inside the liquid outlet pipe, and a transverse tube is arranged on the side of the liquid outlet pipe in the middle section between the first solenoid valve and the second solenoid valve.

[0011] Preferably, a sealing piston is slidably provided inside the transverse tube, a threaded rod is provided on the internal thread of the transverse tube, and one end of the threaded rod extends inside the transverse tube and is rotatably connected to the sealing piston.

[0012] Preferably, a window strip is provided on the surface of the transverse tube, and capacity scale lines are engraved on the surface of the window strip.

[0013] Preferably, the auxiliary component includes a hollow cylinder and a second drive motor. The hollow cylinder is rotatably arranged inside the chassis cover. A concave plate is engaged with the outer side of the hollow cylinder. A first gear is sleeved on the outer side of the hollow cylinder. A second gear is meshed on one side of the first gear. The top of the second gear is connected to the output end of the second drive motor.

[0014] Preferably, scrapers are embedded on both sides of the concave plate, and the scrapers are made of nylon and fit against the inner wall of the foaming chassis.

[0015] Preferably, stirring plates are symmetrically arranged on the inner wall of the concave plate, and the inclination directions of the stirring plates at the top ends of both sides are opposite.

[0016] 3. Beneficial effects

[0017] One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

[0018] (1) The present application is provided with a quantitative mechanism. By rotating the threaded rod, the sealing piston slides inside the transverse tube, so that the capacity of the cavity changes as needed, thereby achieving accurate proportioning of the two solutions. The first solenoid valve is started, and the solution enters the cavity of the liquid outlet pipe and the transverse tube. The first solenoid valve is closed and the second solenoid valve is started, and the solution is discharged downward from the cavity into the foaming box for mixing, and the proportioning speed is fast.

[0019] (2) The present application is provided with an auxiliary component. The first driving motor drives the highly rotating dispersion disk, which can effectively make the two liquids merge quickly and at high speed. The second driving motor starts to drive the second gear to rotate at a low speed, so that the first gear drives the hollow cylinder to rotate, and the hollow cylinder drives the concave plate stuck below it to rotate. The scraper scrapes the inner wall of the foaming box to prevent the viscous original liquid from adhering to the inner wall of the foaming box after mixing. The liquid can be pushed from the edge of the container to the center, forming a multi-dimensional tumbling, so that the stirring is fully uniform without dead angles. The high speed and low speed are controlled separately, the stirring speed is fast, and the effect is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the structure of an embodiment of the utility model;

[0021] Figure 2 This is a schematic diagram of another embodiment of the present utility model;

[0022] Figure 3 It is a three-dimensional structural diagram of the quantitative mechanism of the utility model;

[0023] Figure 4 This is a schematic diagram of the three-dimensional structure of the auxiliary component of the utility model;

[0024] Explanation of the numbers in the figure: 110, foaming chassis; 111, chassis cover; 112, first drive motor; 113, dispersion disk; 200, quantitative mechanism; 210, liquid storage cylinder; 211, first solenoid valve; 212, second solenoid valve; 213, liquid outlet pipe; 214, transverse tube; 215, sealing piston; 216, window strip; 217, threaded rod; 300, auxiliary component; 310, hollow cylinder; 311, first gear; 312, concave plate; 313, scraper; 314, stirring plate; 315, second gear; 316, second drive motor. DETAILED DESCRIPTION

[0025] The present application is further described in detail below in conjunction with the accompanying drawings.

[0026] Embodiment 1

[0027] See also Figure 1-4The utility model provides an embodiment: a quantitative feeding device for a polyurethane foaming machine, comprising a foaming chassis 110 and a chassis cover 111, the top of the foaming chassis 110 is engaged with the chassis cover 111, the top of the chassis cover 111 is provided with a group of quantitative mechanisms 200, the middle of the chassis cover 111 is provided with a first drive motor 112, the bottom end of the first drive motor 112 is provided with a dispersion disk 113 through an output rod, the outer periphery of the output rod of the inner wall of the chassis cover 111 is provided with an auxiliary component 300, and the quantitative mechanism 200 includes a fixed A liquid outlet pipe 213 is arranged above the chassis cover 111, and a liquid storage cylinder 210 is arranged at the top of the liquid outlet pipe 213. A first solenoid valve 211 and a second solenoid valve 212 are arranged inside the liquid outlet pipe 213. A transverse tube 214 is arranged on the side of the liquid outlet pipe 213 in the middle section of the first solenoid valve 211 and the second solenoid valve 212. A sealing piston 215 is slidingly arranged inside the transverse tube 214, and a threaded rod 217 is arranged on the internal thread of the transverse tube 214. One end of the threaded rod 217 extends from the inside of the transverse tube 214 and is rotatably connected to the sealing piston 215. The two solutions are respectively stored in the liquid storage cylinder 210. By rotating the threaded rod 217, the sealing piston 215 slides inside the transverse tube 214, so that the capacity of the cavity changes as needed to achieve accurate proportioning of the two solutions. The first solenoid valve 211 is started, and the solution enters the cavity of the liquid outlet pipe 213 and the transverse tube 214. The first solenoid valve 211 is closed and the second solenoid valve 212 is started, and the solution is discharged downward from the cavity into the foaming box 110 for mixing. The proportioning speed is fast and the effect is good.

[0028] Furthermore, a window strip 216 is provided on the surface of the transverse tube 214 , and capacity scale lines are engraved on the surface of the window strip 216 , so that the staff can adjust the capacity conveniently.

[0029] Embodiment 2

[0030] The quantitative feeding device of the polyurethane foaming machine proposed in the utility model is compared with the first embodiment. Figure 4 The auxiliary component 300 includes a hollow cylinder 310 and a second drive motor 316. The hollow cylinder 310 is rotatably arranged inside the chassis cover 111. A concave plate 312 is engaged with the outer side of the hollow cylinder 310. A first gear 311 is sleeved on the outer side of the hollow cylinder 310. A second gear 315 is engaged with one side of the first gear 311. The top of the second gear 315 is connected to the output end of the second drive motor 316. The first drive motor 112 drives the highly rotating dispersion disk 113, which can effectively make the two liquids merge quickly and at high speed. The second drive motor 316 starts to drive the second gear 315 to rotate at a low speed, so that the first gear 311 drives the hollow cylinder 310 to rotate, and the hollow cylinder 310 drives the concave plate 312 stuck below it to rotate.

[0031] Furthermore, scrapers 313 are embedded on both sides of the concave plate 312. The scrapers 313 are made of nylon and fit the inner wall of the foaming box 110. The inner wall of the concave plate 312 is symmetrically provided with stirring plates 314, and the inclination directions of the stirring plates 314 at the top of the two sides are opposite. The scrapers 313 scrape the inner wall of the foaming box 110 to prevent the viscous raw liquid from adhering to the inner wall of the foaming box 110 after mixing, and can push the liquid from the edge of the container to the center to form a multi-dimensional tumbling, so that the stirring is fully and evenly without dead angles, and the high speed and low speed are controlled separately, the stirring speed is fast, and the effect is good.

[0032] In summary, when a quantitative feeding device of a polyurethane foaming machine disclosed in an embodiment of the present application is in use, a foaming liquid outlet pipe and a spray gun (not shown in the figure) are connected to one side of the foaming box 110, and two solutions are respectively stored in the liquid storage cylinder 210. By rotating the threaded rod 217, the sealing piston 215 slides inside the transverse tube 214, so that the capacity of the cavity changes as needed to achieve accurate proportioning of the two solutions. The first solenoid valve 211 is started, and the solution enters the cavity of the liquid outlet pipe 213 and the transverse tube 214. The first solenoid valve 211 is closed, and the second solenoid valve 212 is started, and the solution is discharged downward from the cavity into the foaming box 110 for mixing, and the proportioning speed is fast.

[0033] By driving the highly rotating dispersion disk 113 through the first driving motor 112, the two liquids can be effectively merged at high speed and quickly. The second driving motor 316 is started to drive the second gear 315 to rotate at a low speed, so that the first gear 311 drives the hollow cylinder 310 to rotate, and the hollow cylinder 310 drives the concave plate 312 stuck thereunder to rotate. The scraper 313 scrapes the inner wall of the foaming box 110 to prevent the viscous original liquid from adhering to the inner wall of the foaming box 110 after mixing, and can push the liquid from the edge of the container to the center to form a multi-dimensional tumbling, so that the stirring is fully and evenly without dead angles. The high speed and low speed are controlled separately, the stirring speed is fast, and the effect is good.

[0034] The standard parts used in the utility model can be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The content not described in detail in this specification belongs to the prior art known to professional and technical personnel in this field.

[0035] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A quantitative feeding device for a polyurethane foaming machine, Features: The invention comprises a foaming case (110) and a case cover (111); the case cover (111) is arranged on the top of the foaming case (110); a group of quantitative mechanisms (200) are arranged on the top of the case cover (111); a first driving motor (112) is arranged in the middle of the case cover (111); a dispersion disk (113) is arranged at the bottom end of the first driving motor (112) via an output rod; and an auxiliary component (300) is arranged on the periphery of the output rod on the inner wall of the case cover (111).

2. The quantitative feeding device of the polyurethane foaming machine according to claim 1, Features: The quantitative mechanism (200) comprises a liquid outlet pipe (213) fixedly arranged above the chassis cover plate (111); a liquid storage cylinder (210) is arranged at the top end of the liquid outlet pipe (213); a first solenoid valve (211) and a second solenoid valve (212) are arranged inside the liquid outlet pipe (213); and a transverse pipe (214) is arranged on the side of the liquid outlet pipe (213) in the middle section between the first solenoid valve (211) and the second solenoid valve (212).

3. The quantitative feeding device of the polyurethane foaming machine according to claim 2, Features: A sealing piston (215) is slidably disposed inside the transverse tube (214), and a threaded rod (217) is threadedly disposed inside the transverse tube (214). One end of the threaded rod (217) extends inside the transverse tube (214) and is rotatably connected to the sealing piston (215).

4. The quantitative feeding device of the polyurethane foaming machine according to claim 2, Features: A window strip (216) is provided on the surface of the transverse tube (214), and capacity scale lines are engraved on the surface of the window strip (216).

5. The quantitative feeding device of the polyurethane foaming machine according to claim 1, Features: The auxiliary component (300) comprises a hollow cylinder (310) and a second drive motor (316); the hollow cylinder (310) is rotatably arranged inside the chassis cover plate (111); a concave plate (312) is engaged with the outer side of the hollow cylinder (310); a first gear (311) is sleeved on the outer side of the hollow cylinder (310); a second gear (315) is meshed with one side of the first gear (311); and the top end of the second gear (315) is connected to the output end of the second drive motor (316).

6. The quantitative feeding device of the polyurethane foaming machine according to claim 5, Features: Scrapers (313) are embedded on both sides of the concave plate (312); the scrapers (313) are made of nylon and are in contact with the inner wall of the foaming chassis (110).

7. The quantitative feeding device of the polyurethane foaming machine according to claim 5, Features: The inner wall of the concave plate (312) is symmetrically provided with stirring plates (314), and the stirring plates (314) at the top ends of the two sides are inclined in opposite directions.

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