Melting equipment for polyurethane raw material production

Abstract

The utility model discloses melting equipment for polyurethane raw material production, which comprises a processing tank, a heat preservation shell is fixedly arranged on the outer side of the processing tank, an interlayer is arranged between the heat preservation shell and the processing tank, an electric heating wire is fixedly arranged in the interlayer, a stirring mechanism for stirring is arranged in the processing tank, and the heating wire is fixedly arranged in the interlayer. The stirring mechanism comprises a transmission shaft, stirring rods, telescopic rods and scrapers, the transmission shaft is movably arranged in the middle of the inner side of the processing tank through a bearing, the multiple stirring rods are evenly and fixedly arranged on the outer side surface of the transmission shaft, and the multiple telescopic rods are evenly and fixedly arranged on the two sides of the outer side surface of the transmission shaft; and a scraping plate is fixedly arranged at the movable end of the telescopic rod. Compared with the prior art, the processing tank has the advantages that the use effect is better, the interior of the processing tank can be scraped and cleaned when needed, and the scraping plate can be stored when no cleaning requirement is needed, so that unnecessary friction loss can be avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to melting equipment technical field, concretely is a kind of melting equipment for polyurethane raw material production. BACKGROUND

[0002] Polyurethane raw material production melting equipment is a kind of equipment for heating and melting solid polyurethane raw material into liquid state. Its principle is to change the solid structure of polyurethane raw material into liquid state by providing heat, so as to facilitate subsequent mixing, spraying, pouring and other processes. It is usually used for preparing polyurethane foaming material, adhesive, paint, sealant and other products.

[0003] And in prior art such polyurethane raw material production melting equipment, such as the Chinese patent application No. 202420084703.6, a kind of melting equipment for polyurethane raw material production, can be heated with polyurethane raw material when using, and in order to prevent the raw material from adhering to the inner wall of heating device after cooling, scraper structure is also provided to scrape the inside of tank, but only when the raw material cooling temperature is low, it is necessary to scrape the inside of device, prevent raw material from sticking, when internal temperature is in threshold, it is unnecessary, and the scraper of the above device always keeps scraping device, easy to produce unnecessary friction damage to the whole device, therefore, for this problem, a kind of melting equipment for polyurethane raw material production needs to be improved. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of melting equipment for polyurethane raw material production to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of melting equipment for polyurethane raw material production, including processing tank, the processing tank outside is fixedly arranged with heat preservation shell, the heat preservation shell is arranged with interlayer between processing tank, the interlayer inside is fixedly arranged with electric heating wire, the processing tank is internally provided with the stirring mechanism for stirring, the stirring mechanism includes transmission shaft, stirring rod, telescopic link, scraper, the transmission shaft is movably arranged with bearing in the middle of processing tank inner side, the transmission shaft outer surface is uniformly fixedly arranged with several stirring rods, the transmission shaft outer surface both sides are uniformly fixedly arranged with several telescopic links, the movable end of telescopic link is fixedly arranged with scraper, the transmission shaft upper end is provided with transmission mechanism for driving scraper to adhere to the inner side wall of processing tank.

[0006] Preferably, the transmission mechanism comprises a movable ring, a transmission rod, a permanent magnet and an electromagnet, the outer surface of the upper end of the transmission rod is movably sleeved with the movable ring, the outer surface of the movable ring is movably provided with the transmission rod through a rotating shaft, one end of the transmission rod close to the scraper is movably connected with the scraper through a rotating shaft, the upper end of the movable ring is fixedly provided with the permanent magnet, and the inner upper end of the processing tank is fixedly provided with the electromagnet.

[0007] Preferably, the telescopic rod is internally provided with a spring, and the spring can automatically drive the telescopic rod to shrink, so that the scraper is away from the inner side wall of the processing tank.

[0008] Preferably, the permanent magnet and the electromagnet are close to the same magnetic pole, and according to the principle of same polarity repulsion, the electromagnet repels the permanent magnet to move downward after the electromagnet is electrified to generate a magnetic force, so that the movable ring moves downward, and finally the transmission rod can push the scraper to tightly adhere to the inner side wall of the processing tank. Figure 3 、 Figure 4 When the transmission rod rotates, the stirring rod and the scraper can rotate together, so that the inner side wall of the processing tank can be cleaned.

[0009] Preferably, the lower end of the processing tank is fixedly provided with a discharge pipe, and the processed materials can be conveniently discharged through the discharge pipe.

[0010] Preferably, the upper end of the processing tank is fixedly provided with a feeding pipe, and the raw materials to be processed and melted can be injected into the processing tank through the feeding pipe.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1、 the utility model discloses a heat of the electric heating wire is used to melt polyurethane raw material, and when the device only has the stirring demand, the electromagnet does not need to be electrified, at this time, the scraper can be away from the inner side wall of the processing tank under the action of the telescopic rod and the spring in the interior, so that the scraper and the inner side wall of the processing tank do not rub when stirring, thereby unnecessary friction loss can be avoided.

[0013] 2、 when the inner side wall of the processing tank needs to be scraped and cleaned, the electromagnet can be electrified, the movable ring moves downward under the action of the magnetic force at this time, the movable ring moves downward through the transmission rod at this time, and finally the transmission rod can push the scraper to tightly adhere to the inner side wall of the processing tank. Figure 3 、 Figure 4As shown, at this time, the transmission rod rotates and can drive the stirring rod and the scraper to rotate, thereby cleaning the inner side wall of the processing tank, so that the device is convenient to operate and use, and only needs to control whether the electromagnet is powered on. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole structure schematic view of the melting equipment for polyurethane raw material production.

[0015] Figure 2 It is a sectional view of the melting equipment for polyurethane raw material production.

[0016] Figure 3 It is an installation view of the electric heating wire in the melting equipment for polyurethane raw material production.

[0017] Figure 4 It is a front view of the melting equipment for polyurethane raw material production. Figure 2

[0018] In the figure: 1, processing tank; 2, heat preservation shell; 3, interlayer; 4, electric heating wire; 5, transmission shaft; 6, stirring rod; 7, telescopic rod; 8, scraper; 9, movable ring; 10, transmission rod; 11, permanent magnet; 12, electromagnet; 13, discharge pipe; 14, feeding pipe. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0020] Please refer to Figures 1-4 The present application provides a technical scheme: a melting equipment for polyurethane raw material production, comprising a processing tank 1, a heat preservation shell 2 is fixedly arranged outside the processing tank 1, an interlayer 3 is arranged between the heat preservation shell 2 and the processing tank 1, an electric heating wire 4 is fixedly arranged inside the interlayer 3, a stirring mechanism for stirring is arranged inside the processing tank 1, the stirring mechanism comprises a transmission shaft 5, a stirring rod 6, a telescopic rod 7 and a scraper 8, the transmission shaft 5 is movably arranged at the middle part of the inner side of the processing tank 1 through a bearing, a plurality of stirring rods 6 are uniformly fixedly arranged on the outer side surface of the transmission shaft 5, a plurality of telescopic rods 7 are uniformly fixedly arranged on the outer side surface of the transmission shaft 5, the movable end of the telescopic rod 7 is fixedly provided with the scraper 8, and a transmission mechanism for driving the scraper 8 to adhere to the inner side wall of the processing tank 1 is arranged on the upper end of the transmission shaft 5.​

[0021] The transmission mechanism comprises a movable ring 9, a transmission rod 10, a permanent magnet 11 and an electromagnet 12, the outer surface of the upper end of the transmission rod 10 movably sleeved with the movable ring 9, the outer surface of the movable ring 9 movably provided with the transmission rod 10 through a rotating shaft, the end of the transmission rod 10 close to the scraper 8 movably connected with the scraper 8 through a rotating shaft, the upper end of the movable ring 9 fixedly provided with the permanent magnet 11, and the inner upper end of the processing tank 1 fixedly provided with the electromagnet 12; the transmission mechanism can push the scraper 8 to adhere to the inner side wall of the processing tank 1 as needed, so that the inside of the processing tank 1 can be scraped and cleaned when needed, and the scraper 8 can be stored when there is no cleaning requirement, so that unnecessary friction loss can be avoided.

[0022] The inside of the telescopic rod 7 is provided with a spring, which can automatically drive the telescopic rod 7 to shrink, so that the scraper 8 is away from the inner side wall of the processing tank 1.

[0023] The permanent magnet 11 and the electromagnet 12 are close to the same magnetic pole, and through the principle of same polarity repulsion, the electromagnet 12 repels the permanent magnet 11 to move down after generating magnetic force through power-on, so that the movable ring 9 moves down, and finally the scraper 8 can be pushed to tightly adhere to the inner side wall of the processing tank 1 through the transmission rod 10, as shown in Figure 3 、 Figure 4 , at this time, the rotation of the transmission rod 10 can drive the stirring rod 6 and the scraper 8 to rotate together, so as to clean the inner side wall of the processing tank 1.

[0024] The lower end of the processing tank 1 is fixedly provided with a discharge pipe 13, through which the processed materials can be conveniently discharged.

[0025] The upper end of the processing tank 1 is fixedly provided with a feeding pipe 14, through which the raw materials to be processed and melted can be injected into the inside of the processing tank 1.

[0026] Working principle: when using the device, the device melts the polyurethane raw material through the heat of the heating wire 4, and when the device only needs stirring, the electromagnet 12 does not need to be powered on, at this time, the scraper 8 can be away from the inner side wall of the processing tank 1 under the action of the telescopic rod 7 and the spring inside, so that the scraper 8 and the inner side wall of the processing tank 1 will not rub during stirring, thereby avoiding unnecessary friction loss.

[0027] When it is needed to scrape and clean the inner side wall of the processing tank 1, the electromagnet 12 can be powered on, at this time, the movable ring 9 will move down under the action of the magnetic force, at this time, the movable ring 9 can move down through the transmission rod 10, and finally the scraper 8 can be pushed to tightly adhere to the inner side wall of the processing tank 1 through the transmission rod 10, as shown in Figure 3 、 Figure 4As shown, at this time the transmission rod 10 rotates and can drive the stirring rod 6 and the scraper 8 to rotate together, thereby cleaning the inner side wall of the processing tank 1, so that the whole device is convenient to operate and use, and only needs to control whether the electromagnet 12 is powered on.

[0028] It should be noted that, in this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0029] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A melting apparatus for the production of polyurethane raw materials, comprising a processing tank (1), characterized in that: An insulating shell (2) is fixedly installed on the outside of the processing tank (1). A sandwich layer (3) is provided between the insulating shell (2) and the processing tank (1). An electric heating wire (4) is fixedly installed inside the sandwich layer (3). A stirring mechanism for stirring is provided inside the processing tank (1). The stirring mechanism includes a drive shaft (5), stirring rods (6), telescopic rods (7), and scrapers (8). A drive shaft (5) is movably installed in the middle of the inner side of the processing tank (1) through a bearing. Several stirring rods (6) are evenly fixed on the outer surface of the drive shaft (5). Several telescopic rods (7) are evenly fixed on both sides of the outer surface of the drive shaft (5). A scraper (8) is fixedly installed at the movable end of the telescopic rod (7). A transmission mechanism for driving the scraper (8) to adhere to the inner side wall of the processing tank (1) is provided at the upper end of the drive shaft (5).

2. The melting equipment for polyurethane raw material production according to claim 1, characterized in that: The transmission mechanism includes a movable ring (9), a transmission rod (10), a permanent magnet (11), and an electromagnet (12). The movable ring (9) is movably sleeved on the outer surface of the upper end of the transmission rod (10). The transmission rod (10) is movably mounted on the outer surface of the movable ring (9) via a rotating shaft. The end of the transmission rod (10) near the scraper (8) is movably connected to the scraper (8) via a rotating shaft. The permanent magnet (11) is fixedly mounted on the upper end of the movable ring (9). The electromagnet (12) is fixedly mounted on the upper end of the inside of the processing tank (1).

3. The melting equipment for polyurethane raw material production according to claim 1, characterized in that: The telescopic rod (7) is equipped with a spring inside.

4. A melting device for polyurethane raw material production according to claim 2, characterized in that: The permanent magnet (11) and the electromagnet (12) are located near the same magnetic pole.

5. A melting device for polyurethane raw material production according to claim 1, characterized in that: The processing tank (1) is fixedly connected to the discharge pipe (13) at the lower middle part.

6. A melting device for polyurethane raw material production according to claim 1, characterized in that: The processing tank (1) is fixedly connected to the discharge pipe (13) at the lower middle part.

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