CN215661185U

CN215661185U - Agitating unit is used in polyurethane production

Info

Publication number: CN215661185U
Application number: CN202121419439.XU
Authority: CN
Inventors: 郁天宇; 蔡新华; 陈岑
Original assignee: Shanghai Yueda Energy Saving Technology Co ltd
Current assignee: Shanghai Yueda Energy Saving Technology Co ltd
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2022-01-28
Anticipated expiration: 2031-06-24

Abstract

The utility model provides a stirring device for polyurethane production, which comprises a dispersion machine and a pulling cylinder, wherein the dispersion machine comprises a base, a hydraulic lifting device, a horizontal beam, a stirring mechanism and a power system for driving the stirring mechanism; the pull cylinder is arranged below the stirring mechanism and comprises a pull cylinder body, a pair of universal wheels fixed at the bottom of the pull cylinder body and a pull cylinder cover detachably mounted at the top of the pull cylinder body, wherein a discharge hole is formed in the bottom of one side of the pull cylinder body, a pair of vertical first guide plates are oppositely mounted on two sides of the inner side wall of the pull cylinder body, and a gap is formed between each first guide plate and the inner side wall of the pull cylinder body; the bottom of the inner side of the cylinder pulling body is provided with a second guide plate, the bottom surface of the second guide plate is a horizontal plane, and the top surface of the second guide plate is an inclined plane which is gradually reduced from the side far away from the discharge port to the side close to the discharge port. The device improves the dispersion degree of inorganic materials in the combined polyether and can reduce residual materials in the cylinder pulling body.

Description

Agitating unit is used in polyurethane production

Technical Field

The utility model relates to the technical field of polyurethane production, in particular to a stirring device for polyurethane production.

Background

With the continuous change of the market demand of polyurethane, the requirement on the flame retardant property is higher, and part of manufacturers use a mode of mixing the combined polyether and the inorganic material to improve the flame retardant property of the polyurethane. The conventional composite polyether has a low viscosity and can be stirred at a low rotation speed, while the inorganic material is in a powder form and needs to rotate at a high speed during stirring, so that a high-speed disperser is generally used for mixing the composite polyether and the inorganic material in order to more fully mix the inorganic material with the composite polyether. In the prior art, the mixing of materials is only carried out by a stirring shaft of a stirring mechanism of a dispersion machine for single fixed stirring, so that the uniformity of the dispersion among the mixed materials is poor, and caking is generated. Therefore, in order to improve the mixing effect of the materials and uniformly mix the inorganic materials in the composite polyether, a stirring device for producing polyurethane is required.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, improve the dispersion uniformity of inorganic materials in the combined polyether in the production process of polyurethane and reduce the generation of caking, the utility model provides a stirring device for producing polyurethane.

The technical scheme of the utility model is as follows: a stirring device for polyurethane production comprises a dispersion machine and a pull cylinder, wherein the dispersion machine comprises a base, a hydraulic lifting device arranged on the base, a horizontal cross beam arranged at the top end of the hydraulic lifting device, a stirring mechanism fixed at the bottom of one end of the cross beam, and a power system arranged on the cross beam and used for driving the stirring mechanism;

draw the jar to locate one side of base, and arrange in rabbling mechanism's below, draw the jar including drawing the jar body, draw a pair of universal wheel that jar body bottom is fixed, and draw jar body top demountable installation draw the jar lid, draw one side bottom of jar body and seted up the discharge gate, wherein:

a pair of vertical first guide plates are oppositely arranged on two sides of the inner side wall of the cylinder pulling body, and a gap is formed between each first guide plate and the inner side wall of the cylinder pulling body; the bottom of the inner side of the cylinder pulling body is provided with a second guide plate, the bottom surface of the second guide plate is a horizontal plane, and the top surface of the second guide plate is an inclined plane which is gradually reduced from one side far away from the discharge port to the side close to one side of the discharge port.

As a preferable mode of the present invention, the width of the gap between the first baffle and the inner side wall of the pulling cylinder body is 5 cm.

As a preferred scheme of the present invention, a plurality of brackets are arranged between the first baffle and the pull cylinder body at intervals from top to bottom, and two ends of each bracket are respectively and fixedly connected to the pull cylinder body and the first baffle.

As a preferable scheme of the utility model, each bracket comprises a bracket seat fixed on the inner side wall of the cylinder pulling body and a vertical small support plate fixed on the bracket seat, and one end of the small support plate far away from the bracket seat is fixedly connected with the first guide plate.

As a preferable scheme of the present invention, the pair of first deflectors are centrally and symmetrically distributed around the center of the pulling cylinder body, and an included angle between the first deflector and a vertical section of the pulling cylinder body perpendicular to the bracket base ranges from 2 ° to 8 °.

As a preferable scheme of the present invention, an included angle between the first baffle and a vertical section of the pulling cylinder body perpendicular to the bracket base is 5 °.

In a preferred embodiment of the present invention, the height of the first baffle is not more than three-quarters of the height of the pull cylinder body.

As a preferable scheme of the present invention, a height of one end of the second baffle, which is far away from the discharge port, is smaller than a distance from a top end of the second baffle to a bottom end of the first baffle.

As a preferable scheme of the utility model, the power system comprises a first driving wheel and a second driving wheel which are arranged at two ends inside the cross beam, a belt for driving the first driving wheel and the second driving wheel, and a first motor, wherein the first motor is fixed at the bottom of one end of the cross beam, which is far away from the stirring mechanism, and an output shaft of the first motor is in transmission connection with the second driving wheel;

the stirring mechanism comprises a shaft sleeve fixed at the bottom of the cross beam, a vertical stirring shaft sleeved in the shaft sleeve, and a dispersion disc detachably mounted at the bottom end of the stirring shaft, wherein the top end of the stirring shaft is in transmission connection with the first driving wheel; the center of the drawing cylinder cover is provided with a through hole for the stirring shaft to pass through, and the bottom end of the stirring shaft passes through the through hole and extends into the drawing cylinder body.

As a preferred scheme of the utility model, the hydraulic lifting device comprises a hydraulic rod, a hydraulic oil tank, a second motor and a guide pipe, the hydraulic rod is vertically fixed on the base, and the top end of the hydraulic rod is fixedly connected with the cross beam; the hydraulic oil tank is arranged on the base, on one side, far away from the pull cylinder, of the hydraulic rod, two ends of the guide pipe are respectively communicated to the hydraulic rod and the hydraulic oil tank, and the second motor is arranged on the hydraulic oil tank.

According to the technical scheme, the beneficial effects of the utility model are as follows: (1) the turbulence of the mixed material in the pulling cylinder body is increased by installing a pair of first guide plates which are centrosymmetric on the inner side wall of the pulling cylinder body, so that the dispersion degree of the inorganic material in the combined polyether is improved; (2) a gap is arranged between the first guide plate and the cylinder pulling body to prevent the powdery inorganic material from blocking at the first guide plate; (3) the second guide plate at the bottom can realize the automatic discharging of the materials in the pulling cylinder, an external material pumping pump is omitted, and the residual materials in the pulling cylinder are reduced.

Drawings

FIG. 1 is a front view of the stirring device of the present embodiment.

Fig. 2 is a plan view of the cylinder body in this embodiment.

Wherein: 100. the device comprises a dispersion machine, 110, a base, 120, a hydraulic lifting device, 130, a cross beam, 140, a stirring mechanism, 150 and a power system;

200. the device comprises a cylinder, 210, a cylinder body, 220, a universal wheel, 230, a cylinder cover, 240, a discharge port, 250, a first guide plate, 260 and a second guide plate; 270. a bracket 271, a bracket seat, 272, a small support plate, 280 and a gap;

121. a hydraulic rod 122, a hydraulic oil tank 123, a guide pipe 124 and a second motor;

141. a shaft sleeve 142, a stirring shaft 143 and a dispersion disc;

151. a first driving wheel 152, a second driving wheel 153, a belt 154 and a first motor.

Detailed Description

The technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings, and all other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present application without any creative effort belong to the protection scope of the embodiments of the present application.

As shown in fig. 1, the present invention provides a stirring apparatus for polyurethane production, including a disperser 100 and a pull cylinder 200, where the disperser 100 includes a base 110, a hydraulic lifting device 120 disposed on the base 110, a horizontal beam 130 fixed to a top end of the hydraulic lifting device 120, a stirring mechanism 140 fixed to a bottom of one end of the beam 130, and a power system 150 disposed on the beam 130 and used for driving the stirring mechanism 140;

the pulling cylinder 200 is arranged on one side of the base 110 and is arranged below the stirring mechanism 140, the pulling cylinder 200 comprises a pulling cylinder body 210, a pair of universal wheels 220 symmetrically arranged at the bottom of the pulling cylinder body 210, and a pulling cylinder cover 230 detachably arranged at the top of the pulling cylinder body 210, a discharge hole 240 is arranged at the bottom of one side of the pulling cylinder body 210, wherein:

a pair of vertical first guide plates 250 are oppositely arranged on two sides of the inner side wall of the cylinder pulling body 210, and a gap 280 is formed between each first guide plate 250 and the inner side wall of the cylinder pulling body 210; install second guide plate 260 on the inboard bottom of scuffing cylinder body 210, the bottom surface of second guide plate 260 is the horizontal plane, and the top surface is by keeping away from discharge gate 240 one side is close to the inclined plane that discharge gate 240 one side reduces gradually. In this embodiment, preferably, the cross section of the second baffle 260 is a circular surface, and the diameter of the bottom surface of the second baffle 260 is equal to the inner diameter of the scuffing cylinder body 210.

The first and

second guide plates

250 and 260 increase turbulence of the mixed material within the pulling cylinder 200 when the stirring mechanism 140 is operated, thereby improving the dispersion degree of the mixed material; when discharging, the material to be discharged in the pulling cylinder 200 can be automatically discharged to the discharge port 240 along the inclined surface of the second guide plate 260, so as to reduce the residue of the material in the pulling cylinder body 210.

According to the utility model, a plurality of brackets 270 are arranged between the first guide plate 250 and the inner side wall of the cylinder pulling body 210 at intervals from top to bottom, and two ends of each bracket 270 are respectively and fixedly connected with the cylinder pulling body 210 and the first guide plate 250. In this embodiment, specifically, each of the first baffles 250 is fixedly connected to the cylinder block 210 through three brackets 270, and the three brackets 270 are respectively and equidistantly distributed on the upper portion, the middle portion and the lower portion of the sidewall of the first baffle 250. The first baffle 250 is fixed on the inner side wall of the pulling cylinder body 210 through a bracket 270, so that a gap 280 is formed between the first baffle 250 and the pulling cylinder body 210, and a large amount of powdery inorganic material is prevented from being accumulated at the first baffle 250.

Preferably, the width of the gap 280 between the first baffle 250 and the inner side wall of the scuffing cylinder body 210 is 5 cm.

Further, as shown in fig. 1 and fig. 2, each of the brackets 270 includes a bracket base 271 fixed on the inner side wall of the cylinder pulling body 2 and a small vertical support plate 272 fixed on the bracket base 271, and one end of the small support plate 272 away from the bracket base 271 is fixedly connected to the first baffle 250. In this embodiment, the support base 271, the small support plate 272 and the first baffle 250 are all fixedly connected by welding.

According to the utility model, the pair of first guide plates 250 are distributed in a central symmetry manner around the center of the cylinder pulling body 210, and the angle range of the included angle a between the first guide plates 250 and the vertical section of the cylinder pulling body 210 perpendicular to the bracket base 271 is 2-8 °. In this embodiment, the included angle a is preferably 5 °, and this arrangement can improve the mixing uniformity of the combined polyether and inorganic material in the scuffing cylinder body 210.

Further, the height of the first baffle 250 is not more than three-quarters of the height of the pulling cylinder body 210, so that the influence on the fluidity of the mixed material due to overlong length is prevented.

Further, the height of the end of the second baffle 260 away from the discharge hole 240 is smaller than the distance from the top end of the second baffle 260 to the bottom end of the first baffle 250. That is, there is sufficient space between the top end of the second baffle 260 and the bottom end of the first baffle 250 to allow the mixing material in the space to be uniformly dispersed.

According to the utility model, the power system 150 comprises a first driving wheel 151 and a second driving wheel 152 which are arranged at two ends inside the cross beam 130, a belt 153 for driving the first driving wheel 151 and the second driving wheel 152, and a first motor 154, wherein the first motor 154 is fixed at the bottom of one end of the cross beam 130 far away from the stirring mechanism 140, and an output shaft of the first motor 154 is in driving connection with the second driving wheel 152;

the stirring mechanism 140 comprises a shaft sleeve 141 fixed at the bottom of the beam 130, a stirring shaft 142 sleeved in the shaft sleeve 141, and a dispersion disc 143 detachably mounted at the bottom of the stirring shaft 142, and the top end of the stirring shaft 142 is in transmission connection with a first driving wheel 151; a through hole (not shown) for the stirring shaft 142 to pass through is formed in the center of the cylinder cover 230, and the bottom end of the stirring shaft 142 passes through the through hole and extends into the cylinder body 210. The stirring shaft 142 and the dispersion plate 143 are rotated at a high speed by the driving of the first rotating wheel 151 and the second rotating wheel 152 by the power of the first motor 154, and the materials in the pulling cylinder 200 are sufficiently mixed.

According to the utility model, the hydraulic lifting device 120 comprises a hydraulic rod 121, a hydraulic oil tank 122, a second motor 124 and a conduit 123, the hydraulic rod 121 is vertically fixed on the base 110, the top end of the hydraulic rod 121 is fixedly connected with the cross beam 130, the hydraulic oil tank 122 is arranged on the base 110 on one side of the hydraulic rod 121 far away from the pull cylinder 200, two ends of the conduit 123 are respectively communicated to the hydraulic rod 121 and the interior of the hydraulic oil tank 122, and the second motor 124 is arranged on the hydraulic oil tank 122.

The second motor 124 is used for controlling the up-and-down movement of the top end of the hydraulic rod 121, when the second motor 124 works, the pressure oil in the hydraulic oil tank 122 is discharged into the hydraulic rod 121 through the conduit 123, so as to provide power for the hydraulic rod 121, enable the top end of the hydraulic rod 121 to move upwards, and drive the cross beam 130 to move upwards, thereby controlling the height of the dispersion disc 143 in the cylinder pulling body 210.

The above description of the embodiments is only intended to facilitate the understanding of the method of the utility model and its core idea. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims

1. A stirring device for polyurethane production comprises a dispersion machine and a pull cylinder, wherein the dispersion machine comprises a base, a hydraulic lifting device arranged on the base, a horizontal cross beam arranged at the top end of the hydraulic lifting device, a stirring mechanism fixed at the bottom of one end of the cross beam, and a power system arranged on the cross beam and used for driving the stirring mechanism;

the pulling cylinder is arranged on one side of the base and is arranged below the stirring mechanism, the pulling cylinder comprises a pulling cylinder body, a pair of universal wheels fixed at the bottom of the pulling cylinder body, and a pulling cylinder cover detachably arranged at the top of the pulling cylinder body, a discharge hole is arranged at the bottom of one side of the pulling cylinder body,

2. The stirring device for polyurethane production as recited in claim 1, wherein the gap width between the first baffle and the inner side wall of the pulling cylinder body is 5 cm.

3. The stirring device for polyurethane production as recited in claim 1, wherein a plurality of supports are arranged between the first guide plate and the cylinder pulling body at intervals from top to bottom, and two ends of each support are respectively fixedly connected with the cylinder pulling body and the first guide plate.

4. The stirring device for polyurethane production as recited in claim 3, wherein each of the brackets includes a bracket base fixed on the inner side wall of the pulling cylinder body and a vertical small supporting plate fixed on the bracket base, and one end of the small supporting plate far away from the bracket base is fixedly connected with the first guide plate.

5. The stirring device for polyurethane production as recited in claim 4, wherein the pair of first guide plates are centrally and symmetrically distributed with respect to the center of the pulling cylinder body, and an included angle between the first guide plate and a vertical section of the pulling cylinder body perpendicular to the support base is in a range of 2 to 8 °.

6. The stirring device for polyurethane production as recited in claim 5, wherein an angle between the first deflector and a vertical section of the pulling cylinder body perpendicular to the support base is 5 °.

7. The stirring device for polyurethane production as recited in claim 1, wherein the height of the first baffle is not more than three-quarters of the height of the pulling cylinder body.

8. The stirring device for polyurethane production of claim 1, wherein the height of the end of the second baffle far away from the discharge hole is smaller than the distance from the top end of the second baffle to the bottom end of the first baffle.

9. The stirring device for polyurethane production as recited in claim 1, wherein the power system comprises a first driving wheel and a second driving wheel mounted at two ends inside the cross beam, a belt for driving the first driving wheel and the second driving wheel, and a first motor, the first motor is fixed at the bottom of one end of the cross beam away from the stirring mechanism, and an output shaft of the first motor is in transmission connection with the second driving wheel;

10. The stirring device for polyurethane production according to claim 1, wherein the hydraulic lifting device comprises a hydraulic rod, a hydraulic oil tank, a second motor and a guide pipe, the hydraulic rod is vertically fixed on the base, and the top end of the hydraulic rod is fixedly connected with the cross beam; the hydraulic oil tank is arranged on the base, on one side, far away from the pull cylinder, of the hydraulic rod, two ends of the guide pipe are respectively communicated to the hydraulic rod and the hydraulic oil tank, and the second motor is arranged on the hydraulic oil tank.