阅读说明：本技术 一种聚氨酯发泡设备 (Polyurethane foaming equipment ) 是由 唐定凯 于 2020-07-15 设计创作，主要内容包括：本发明涉及聚氨酯生产设备领域,公开了一种聚氨酯发泡设备,包括内桶、外桶、输料装置、内桶搅拌装置、外桶搅拌装置、第一电机、第二电机和控制器；内桶设置在输料装置上,内桶的内腔与输料装置连通,输料装置设在外桶内,外桶上设有出料装置,内桶搅拌装置包括第一转动轴和第一搅拌叶,外桶搅拌装置包括第二转动轴和第二搅拌叶,输料装置包括输料管、螺旋杆和第三电机,出料装置包括挡板、顶板、凹座和液压缸,凹座固设在外桶的底部,液压缸固设在凹座的内底面,液压缸的输出端与顶板连接,顶板与底座之间设有伸缩导柱,顶板的上表面通过立柱与挡板连接。本发明具有物料混合均匀度高、成品质量高、使用方便和占地空间小的优点。(The invention relates to the field of polyurethane production equipment, and discloses polyurethane foaming equipment, which comprises an inner barrel, an outer barrel, a material conveying device, an inner barrel stirring device, an outer barrel stirring device, a first motor, a second motor and a controller, wherein the inner barrel is arranged in the inner barrel; interior bucket setting is on feeding device, the inner chamber and the feeding device intercommunication of interior bucket, feeding device establishes in outer bucket, be equipped with discharging device on the outer bucket, interior bucket agitating unit includes first axis of rotation and first stirring leaf, outer bucket agitating unit includes second axis of rotation and second stirring leaf, feeding device includes the conveying pipeline, hob and third motor, discharging device includes the baffle, the roof, dimple and pneumatic cylinder, the dimple sets firmly in the bottom of outer bucket, the pneumatic cylinder sets firmly the interior bottom surface at the dimple, the output and the roof of pneumatic cylinder are connected, be equipped with flexible guide pillar between roof and the base, the upper surface of roof passes through the stand and is connected with the baffle. The invention has the advantages of high material mixing uniformity, high finished product quality, convenient use and small occupied space.)

1. A polyurethane foaming device is characterized by comprising an inner barrel, an outer barrel, a material conveying device, an inner barrel stirring device, an outer barrel stirring device, a first motor, a second motor and a controller;

the inner barrel is arranged at the top of the material conveying device, the inner cavity of the inner barrel is communicated with the material conveying device, the material conveying device is erected in the outer barrel, the outer barrel is provided with a discharging device used for controlling the on-off of a discharging port of the material conveying device, the inner barrel stirring device is arranged in the inner barrel, the top of the inner barrel is covered with an inner barrel cover, the fixed end of a first motor is arranged on the inner barrel cover, the output end of the first motor is connected with the inner barrel stirring device, the inner barrel cover is provided with a first feeding port, and a first sealing cover is covered at the first feeding port;

the top of the outer barrel is provided with an outer barrel cover, the outer barrel cover is rotatably connected with the outer barrel, the outer barrel cover is annular, inner teeth are arranged on the inner side wall of the outer barrel cover, the fixed end of the second motor is arranged on the inner barrel cover, the output end of the second motor is connected with an outer gear meshed with the inner teeth, the outer barrel stirring device is provided with a plurality of outer barrel stirring devices which are arranged on the outer barrel cover at intervals along the circumferential direction of the outer barrel cover, the outer barrel cover is provided with a second feeding hole, the lower part of the outer barrel is provided with a discharging hole, and a second sealing cover is covered at the second feeding hole;

the inner barrel stirring device comprises a first rotating shaft and a plurality of first stirring blades arranged on the first rotating shaft, and the upper end of the first rotating shaft is connected with the first motor;

the outer barrel stirring device comprises a second rotating shaft and a plurality of second stirring blades arranged on the first rotating shaft, and the upper end of the second rotating shaft is connected with the outer barrel cover;

the feeding device comprises a feeding pipe, a screw rod and a third motor, the feeding pipe is erected on the bottom surface of the outer barrel, a feeding channel for material conveying is formed between the feeding pipe and the bottom surface of the outer barrel, the top of the feeding pipe is connected with the bottom of the inner barrel, the screw rod is arranged in the feeding barrel, and an output shaft of the third motor is connected with one end of the screw rod;

the discharging device comprises a baffle, a top plate, a recess and a hydraulic cylinder, the recess is fixedly arranged at the bottom of the outer barrel, the hydraulic cylinder is fixedly arranged at the inner bottom surface of the recess, the output end of the hydraulic cylinder is connected with the top plate and drives the top plate to move up and down, a telescopic guide pillar is arranged between the top plate and the base, the upper surface of the top plate is connected with the baffle through a stand column, the bottom of the outer barrel is provided with an avoidance hole, the avoidance hole is positioned below the conveying pipe, the baffle is matched with the avoidance hole in shape, the baffle can be arranged in the avoidance hole in a vertically movable mode, the fixed end of the third motor is arranged on the baffle, the thickness of the baffle is larger than the hole height of the avoidance hole, and the area of the baffle is larger than the area of the conveying pipe;

the controller is respectively electrically connected with the first motor, the second motor, the third motor and the hydraulic cylinder.

2. The polyurethane foam apparatus according to claim 1, wherein the first agitating blade is provided with a plurality of layers in an axial direction of the first rotating shaft, and each layer of the first agitating blade includes a plurality of first transverse blades provided in a circumferential direction of the first rotating shaft.

3. The polyurethane foam apparatus according to claim 1, wherein the second agitating blade is provided with a plurality of layers in an axial direction of the second rotating shaft, and each layer of the second agitating blade includes a plurality of second transverse blades provided in a circumferential direction of the second rotating shaft.

4. The polyurethane foaming apparatus according to claim 1, wherein the first transverse blade is provided with a plurality of first vertical blades, and the first transverse blade and the first vertical blades are perpendicular to each other.

5. The polyurethane foaming apparatus according to claim 1, wherein a plurality of second vertical blades are provided on the second transverse blade, and the second transverse blade and the second vertical blade are perpendicular to each other.

6. The polyurethane foaming device of claim 1, wherein a sealing ring is disposed between the baffle and the relief hole.

7. The polyurethane foaming device according to claim 1, wherein water valves for controlling the on-off of water flow are arranged at the water inlet of the first water passage, the water inlet of the second water passage and the water inlet of the third water passage, and the water valves are electrically connected with the controller.

8. The polyurethane foaming apparatus as claimed in claim 1, wherein a plurality of legs are provided on a bottom surface of the outer tub.

9. The polyurethane foaming apparatus as claimed in claim 1, wherein the feed pipe is connected to the outer tub through a bracket.

Technical Field

The invention relates to the field of polyurethane production equipment, in particular to polyurethane foaming equipment.

Background

Polyurethane foam materials are generally applied to various fields such as production and life, for example: the existing foaming equipment is used for placing all materials into a specific area and then stirring, but because the reaction speed of the mixture is high and the reaction of the mixture injected in sequence is inconsistent, the mixtures with different reaction degrees can be superposed along the flowing direction, and the superposition position is easy to delaminate, so that the produced polyurethane material has poor forming precision, low quality of finished products and low mixing uniformity.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the polyurethane foaming equipment has the advantages of high material mixing uniformity, high finished product quality, convenience in use and small occupied space.

In order to solve the technical problem, the invention provides polyurethane foaming equipment, which comprises an inner barrel, an outer barrel, a material conveying device, an inner barrel stirring device, an outer barrel stirring device, a first motor, a second motor and a controller, wherein the inner barrel is arranged in the inner barrel;

the inner barrel is arranged at the top of the material conveying device, the inner cavity of the inner barrel is communicated with the material conveying device, the material conveying device is erected in the outer barrel, the outer barrel is provided with a discharging device used for controlling the on-off of a discharging port of the material conveying device, the inner barrel stirring device is arranged in the inner barrel, the top of the inner barrel is covered with an inner barrel cover, the fixed end of a first motor is arranged on the inner barrel cover, the output end of the first motor is connected with the inner barrel stirring device, the inner barrel cover is provided with a first feeding port, and a first sealing cover is covered at the first feeding port;

the top of the outer barrel is provided with an outer barrel cover, the outer barrel cover is rotatably connected with the outer barrel, the outer barrel cover is annular, inner teeth are arranged on the inner side wall of the outer barrel cover, the fixed end of the second motor is arranged on the inner barrel cover, the output end of the second motor is connected with an outer gear meshed with the inner teeth, the outer barrel stirring device is provided with a plurality of outer barrel stirring devices which are arranged on the outer barrel cover at intervals along the circumferential direction of the outer barrel cover, the outer barrel cover is provided with a second feeding hole, the lower part of the outer barrel is provided with a discharging hole, and a second sealing cover is covered at the second feeding hole;

the inner barrel stirring device comprises a first rotating shaft and a plurality of first stirring blades arranged on the first rotating shaft, and the upper end of the first rotating shaft is connected with the first motor;

the outer barrel stirring device comprises a second rotating shaft and a plurality of second stirring blades arranged on the first rotating shaft, and the upper end of the second rotating shaft is connected with the outer barrel cover;

the feeding device comprises a feeding pipe, a screw rod and a third motor, the feeding pipe is erected on the bottom surface of the outer barrel, a feeding channel for material conveying is formed between the feeding pipe and the bottom surface of the outer barrel, the top of the feeding pipe is connected with the bottom of the inner barrel, the screw rod is arranged in the feeding barrel, and an output shaft of the third motor is connected with one end of the screw rod;

the discharging device comprises a baffle, a top plate, a recess and a hydraulic cylinder, the recess is fixedly arranged at the bottom of the outer barrel, the hydraulic cylinder is fixedly arranged at the inner bottom surface of the recess, the output end of the hydraulic cylinder is connected with the top plate and drives the top plate to move up and down, a telescopic guide pillar is arranged between the top plate and the base, the upper surface of the top plate is connected with the baffle through a stand column, the bottom of the outer barrel is provided with an avoidance hole, the avoidance hole is positioned below the conveying pipe, the baffle is matched with the avoidance hole in shape, the baffle can be arranged in the avoidance hole in a vertically movable mode, the fixed end of the third motor is arranged on the baffle, the thickness of the baffle is larger than the hole height of the avoidance hole, and the area of the baffle is larger than the area of the conveying pipe;

the controller is respectively electrically connected with the first motor, the second motor, the third motor and the hydraulic cylinder.

As a preferable aspect of the present invention, the first stirring blade is provided with a plurality of layers in an axial direction of the first rotating shaft, and each layer of the first stirring blade includes a plurality of first transverse blades arranged in a circumferential direction of the first rotating shaft.

As a preferable aspect of the present invention, the second agitating blade is provided with a plurality of layers in an axial direction of the second rotating shaft, and each layer of the second agitating blade includes a plurality of second transverse blades provided in a circumferential direction of the second rotating shaft.

As a preferable scheme of the present invention, the first horizontal blade is provided with a plurality of first vertical blades, and the first horizontal blade and the first vertical blades are perpendicular to each other.

As a preferable scheme of the present invention, a plurality of second vertical blades are disposed on the second transverse blade, and the second transverse blade and the second vertical blade are perpendicular to each other.

As a preferable scheme of the invention, a sealing ring is arranged between the baffle plate and the avoidance hole.

As a preferable scheme of the present invention, water valves for controlling the on-off of water flow are disposed at the water inlet of the first water passing channel, the water inlet of the second water passing channel, and the water inlet of the third water passing channel, and the water valves are electrically connected to the controller.

In a preferred embodiment of the present invention, the bottom surface of the outer tub is provided with a plurality of legs.

As the preferable scheme of the invention, the conveying pipe is connected with the outer barrel through a bracket.

Compared with the prior art, the polyurethane foaming equipment provided by the embodiment of the invention has the beneficial effects that:

when the device is used, a first raw material and a second raw material are poured into an inner barrel through a first feeding hole, a third raw material is poured into an outer barrel through a second feeding hole, a controller controls a first motor to be started, a second motor, a third motor and a hydraulic cylinder are closed, an inner barrel stirring device carries out primary stirring and mixing on the first raw material and the second raw material, when the stirring time reaches a set time, the controller respectively controls the second motor, the third motor and the hydraulic cylinder to be started, so that the primarily mixed material in the inner barrel enters a conveying pipe to carry out secondary stirring and mixing, the first raw material and the second raw material are mixed more uniformly, the secondarily mixed material is conveyed downwards, meanwhile, a push rod of the hydraulic cylinder contracts to drive a top plate to move downwards, a baffle plate is driven to move downwards, the secondarily mixed material flows into the outer barrel through a conveying channel, the second motor drives an outer gear to rotate, and drives an outer barrel cover to rotate, the outer barrel stirring device is used for stirring and mixing the second raw material and the third raw material, the second raw material and the third raw material are output from a discharge port after the second raw material and the third raw material are mixed, the automatic stirring and mixing of the first raw material, the second raw material and the third raw material are completed, the controller controls a push rod of a hydraulic cylinder to extend out to close a material conveying channel, and controls a first motor, a second motor and a third motor to be closed;

therefore, the first raw material and the second raw material are stirred and mixed twice, and then the material obtained by mixing the first raw material and the second raw material and the third raw material are stirred and mixed, so that the first raw material, the second raw material and the third raw material are sequentially mixed, the mutual influence of the reaction of the first raw material, the reaction of the second raw material and the reaction of the third raw material are effectively prevented, the quality of a finished product is improved, the mixing uniformity of the first raw material and the second raw material is also improved, and the material in the conveying pipe enters the outer barrel for a plurality of times and in a small amount through the arrangement of the hydraulic cylinder, so that the mixing uniformity of the material is further improved; meanwhile, one device realizes the mixing of the three raw materials, the use is convenient, and the occupied space is small; in addition, the invention can also be used for mixing two raw materials, thereby realizing three times of mixing of the two raw materials.

Drawings

FIG. 1 is a schematic structural view of a feed passage in an open state;

FIG. 2 is a schematic structural view of a feed delivery passage in a closed state;

in the figure, 1, an inner barrel; 2. an outer tub; 3. a first motor; 4. a second motor; 5. an inner barrel cover; 6. a first cover; 7. an outer barrel cover; 8. an outer gear; 9. a support leg; 10. a first rotating shaft; 11. a first stirring blade; 12. a delivery pipe; 13. a screw rod; 14. a third motor; 15. a material conveying channel; 16. a baffle plate; 17. a top plate; 18. a recess; 19. a hydraulic cylinder; 20. a telescopic guide post; 21. a column; 22. a second rotating shaft; 23. a second stirring blade; 24. a first vertical blade; 25. a second vertical vane.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, it should be understood that the terms "central", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., used herein are used in the orientation or positional relationship indicated in the drawings, which are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1 and 2, a preferred embodiment of a polyurethane foaming apparatus of the present invention includes an inner tub 1, an outer tub 2, a feeding device, an inner tub stirring device, an outer tub stirring device, a first motor 3, a second motor 4, and a controller.

The inner barrel 1 is arranged at the top of the material conveying device, the inner cavity of the inner barrel 1 is communicated with the material conveying device, the material conveying device is erected in the outer barrel 2, the material conveying pipe 12 is connected with the outer barrel 2 through a support, the outer barrel 2 is provided with a material discharging device for controlling the on-off of a material discharging port of the material conveying device, the inner barrel stirring device is arranged in the inner barrel 1, the top of the inner barrel 1 is covered with an inner barrel cover 5, the fixed end of the first motor 3 is arranged on the inner barrel cover 5, the output end of the first motor 3 is connected with the inner barrel stirring device, the inner barrel cover 5 is provided with a first material inlet, and a first sealing cover 6 is covered at the first material inlet; wherein, the material conveying pipe 12 is connected with the outer barrel 2 through a right-angle frame.

An outer barrel cover 7 is arranged at the top of the outer barrel 2, the outer barrel cover 7 is rotatably connected with the outer barrel 2, the outer barrel cover 7 is annular, inner teeth are arranged on the inner side wall of the outer barrel cover 7, the fixed end of the second motor 4 is arranged on the inner barrel cover 5, an outer gear 8 meshed with the inner teeth is connected to the output end of the second motor 4, a plurality of outer barrel stirring devices are arranged on the outer barrel cover 7 at intervals along the circumferential direction of the outer barrel cover 7, preferably, four outer barrel stirring devices are uniformly distributed, a second feed port is formed in the outer barrel cover 7, a discharge port is formed in the lower portion of the outer barrel 2, and a second sealing cover is covered at the second feed port; wherein, the bottom surface of the outer barrel 2 is provided with a plurality of support legs 9; therefore, the outer gear 8 is driven to rotate through the second motor 4, so that the outer barrel cover 7 is driven to rotate, transmission is stable, buffering and vibration absorption are achieved, the structure is simple, the cost is low, and use and maintenance are convenient.

The inner tub agitation device includes a first rotation shaft 10 and a plurality of first agitation blades 11 provided on the first rotation shaft 10, and an upper end of the first rotation shaft 10 is connected to the first motor 3; the outer barrel stirring device comprises a second rotating shaft 22 and a plurality of second stirring blades 23 arranged on the first rotating shaft 10, and the upper end of the second rotating shaft 22 is connected with the outer barrel cover 7.

The feeding device comprises a feeding pipe 12, a screw rod 13 and a third motor 14, wherein the feeding pipe 12 is erected on the bottom surface of the outer barrel 2, a feeding channel 15 for material conveying is formed between the feeding pipe 12 and the bottom surface of the outer barrel 2, the top of the feeding pipe 12 is connected with the bottom of the inner barrel 1, the screw rod 13 is arranged in the feeding barrel, and an output shaft of the third motor 14 is connected with one end of the screw rod 13; therefore, through the arrangement of the conveying device, the materials in the inner barrel 1 can smoothly flow into the outer barrel 2, the phenomenon that the materials in the inner barrel 1 cannot flow due to the pressure difference between the inner barrel 1 and the outer barrel 2 is avoided, and meanwhile, the materials in the outer barrel 2 can be prevented from flowing into the inner barrel 1, so that the materials can only flow in one direction.

The discharging device comprises a baffle plate 16, a top plate 17, a concave seat 18 and a hydraulic cylinder 19, the concave seat 18 is fixedly arranged at the bottom of the outer barrel 2, the hydraulic cylinder 19 is fixedly arranged on the inner bottom surface of the recess 18, the output end of the hydraulic cylinder 19 is connected with the top plate 17, and drives the top plate 17 to move up and down, a telescopic guide post 20 is arranged between the top plate 17 and the base, the upper surface of the top plate 17 is connected with the baffle 16 through an upright post 21, the bottom of the outer barrel 2 is provided with an avoidance hole, the avoidance hole is positioned below the conveying pipe 12, the baffle 16 is matched with the avoidance hole in shape, the baffle plate 16 is arranged in the avoidance hole in a way of moving up and down, the fixed end of the third motor 14 is arranged on the baffle plate 16, the thickness of the baffle 16 is larger than the hole height of the avoidance hole, and the area of the baffle 16 is larger than that of the conveying pipe 12; therefore, the on-off of the material conveying channel 15 is controlled by the arrangement of the hydraulic cylinder 19, so that the material partition section of the inner barrel 1 enters the outer barrel 2 for multiple times and a small amount, and the uniformity of material mixing is further improved; by arranging the telescopic guide post 20, the top plate 17 can move more stably and is stressed more uniformly; through the arrangement of the upright posts 21, the baffle 16 moves more smoothly.

The controller is electrically connected with the first motor 3, the second motor 4, the third motor 14 and the hydraulic cylinder 19 respectively.

Illustratively, the first stirring vanes 11 are provided with a plurality of layers along the axial direction of the first rotating shaft 10, each layer of the first stirring vanes 11 includes a plurality of first transverse vanes provided along the circumferential direction of the first rotating shaft 10, the first transverse vanes are provided with a plurality of first vertical vanes 24, and the first transverse vanes and the first vertical vanes 24 are perpendicular to each other; the second stirring vanes 23 are provided with a plurality of layers along the axial direction of the second rotating shaft 22, each layer of the second stirring vanes 23 comprises a plurality of second transverse vanes arranged along the circumferential direction of the second rotating shaft 22, a plurality of second vertical vanes 25 are arranged on the second transverse vanes, and the second transverse vanes are perpendicular to the second vertical vanes 25; such design makes the stirring leaf can carry out axial mixing and circumference to the material and mix, makes the material mix more fully.

Exemplarily, the baffle 16 with be equipped with the sealing washer between the hole of dodging, prevent that the material from oozing from the clearance between baffle 16 and the hole of dodging.

Illustratively, water valves for controlling the on-off of water flow are arranged at the water inlet of the first water passing channel, the water inlet of the second water passing channel and the water inlet of the third water passing channel, and the water valves are electrically connected with the controller; therefore, the on-off of water flow is automatically controlled, and the manual labor degree is reduced.

When the mixing device is used, a first raw material and a second raw material are poured into the inner barrel 1 through the first feeding hole, a third raw material is poured into the outer barrel 2 through the second feeding hole, the controller controls the first motor 3 to be started, the second motor 4, the third motor 14 and the hydraulic cylinder 19 to be closed, the inner barrel mixing device carries out axial mixing and circumferential mixing on the first raw material and the second raw material, namely primary mixing and mixing are carried out, when the mixing time reaches a set time, the controller respectively controls the second motor 4, the third motor 14 and the hydraulic cylinder 19 to be started, so that the primarily mixed material in the inner barrel 1 enters the conveying pipe 12 and is subjected to secondary mixing and mixing, the first raw material and the second raw material are mixed more uniformly, the secondarily mixed material is conveyed downwards, the material in the outer barrel 2 is prevented from entering the inner barrel 1, meanwhile, the push rod of the hydraulic cylinder 19 contracts to drive the top plate 17 to move downwards to drive the baffle plate 16 to move downwards, the material after the secondary mixing flows into the outer barrel 2 through the material conveying channel 15, the second motor 4 drives the outer gear 8 to rotate, the outer barrel cover 7 is driven to rotate, the outer barrel stirring device is used for axially mixing and circumferentially mixing the second raw material and the third raw material, the mixture is output from the discharge port after the mixing is finished, the automatic stirring and mixing of the first raw material, the second raw material and the third raw material are completed, the controller controls the push rod of the hydraulic cylinder 19 to stretch out to close the material conveying channel 15, and the first motor 3, the second motor 4 and the third motor 14 are controlled to be closed.

Therefore, the first raw material and the second raw material are stirred and mixed twice, and then the material obtained by mixing the first raw material and the second raw material and the third raw material are stirred and mixed, so that the first raw material, the second raw material and the third raw material are sequentially mixed, the mutual influence of the reaction of the first raw material, the reaction of the second raw material and the reaction of the third raw material are effectively prevented, the quality of a finished product is improved, the raw materials are axially mixed and circumferentially mixed, the raw materials are fully mixed, the mixing uniformity of the first raw material and the second raw material is improved, and the materials in the material conveying pipe 12 are fed into the outer barrel 2 for multiple times and in small amount through the arrangement of the hydraulic cylinder 19, so that the mixing uniformity of the materials is further improved; meanwhile, one device realizes the mixing of the three raw materials, the use is convenient, and the occupied space is small; in addition, the invention can also be used for mixing two raw materials, thereby realizing three times of mixing of the two raw materials.

In the description of the present invention, it is to be understood that the terms "mounted," "connected," and "connected" are used broadly and are defined as, for example, either fixedly connected, detachably connected, or integrally connected, unless otherwise explicitly stated or limited; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.