CN212579055U - Accurate feed proportioning system of polyurethane pouring - Google Patents

Abstract

The utility model belongs to the technical field of polyurethane combined material, in particular to a polyurethane pouring accurate material mixing system, which comprises a material mixing tank, a stirring mechanism and a weighing material feeding component, the weighing material feeding component comprises a mounting frame fixedly arranged at the top of the material mixing tank and a plurality of raw material tanks movably arranged on the mounting frame, an annular fixed plate is fixedly arranged at the outer side of the bottom end of each raw material tank, a plurality of weighing sensors are arranged between the fixed plate and the mounting frame and used for detecting the weight difference of the raw material tanks during material mixing, a solenoid valve is arranged at the discharge port at the bottom end of each raw material tank, a control panel is arranged at the outer side of each raw material tank, the input end of the control panel is electrically connected with the weighing sensors, the output end of the control panel is electrically connected with the solenoid valve, the defects of the prior art are overcome, more accurate, labour saving and time saving has improved the efficiency of pouring and the quality of product.

Description

Accurate feed proportioning system of polyurethane pouring

Technical Field

The utility model belongs to the technical field of the polyurethane combination batching, concretely relates to accurate feed proportioning system of polyurethane pouring.

Background

One of the main raw materials of the polyurethane thermal insulation material is polyurethane rigid foam combined polyether. The polyurethane rigid foam composite polyether is also called white material, and is also called black and white material together with the polymeric MDI. The solar energy heat preservation and cold preservation system is suitable for various occasions needing heat preservation and cold preservation, such as building heat preservation, cold preservation, solar energy, water heaters, refrigeration houses, constant temperature storehouses, beer tanks, refrigeration and the like.

The products that polyurethane produced all accomplish through the mode of pouring, and current pouring equipment raw materials ratio all weighs the control through the manual work, and the rate of accuracy is low, and work efficiency is poor, influences the quality of product.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an accurate feed proportioning system of polyurethane pouring has overcome the not enough of prior art, the weight of automatic weighing pouring raw materials, and the ratio of control raw materials is more accurate, and labour saving and time saving has improved the efficiency of pouring and the quality of product.

In order to solve the above problems, the utility model adopts the following technical proposal:

the utility model provides an accurate feed proportioning system of polyurethane pouring, includes a batching jar, rabbling mechanism and the feeding subassembly of weighing, the feeding subassembly of weighing is including setting firmly a plurality of head tanks on the mounting bracket at the mounting bracket of batching tank deck portion, movable mounting, the bottom outside of head tank has set firmly annular fixed plate, be provided with a plurality of weighing sensor between fixed plate and the mounting bracket for weight when detecting the head tank batching is poor, install the solenoid valve on the bottom discharge gate of head tank, control panel is installed in the outside of batching jar, control panel's input and weighing sensor electric connection, control panel's output and solenoid valve electric connection.

Further, the both sides of head tank are provided with a locating piece respectively, and the locating piece sets firmly on the up end of mounting bracket, two one side that the locating piece is close to each other is seted up flutedly, and sets firmly vertical guide bar in the recess, the outside cover of guide bar is equipped with the connecting block, the other end and the head tank fixed connection of connecting block.

Further, the top of batching jar is installed and is connect the hopper, connect the bottom of hopper and the inside intercommunication of batching jar.

Further, rabbling mechanism is including installing agitator motor, the (mixing) shaft of connecting at the agitator motor output of terminal surface center department under the batching jar and installing the stirring leaf in the (mixing) shaft outside, the (mixing) shaft runs through the bottom lateral wall of batching jar and extends to the inside of batching jar, agitator motor and control panel's output electric connection.

Further, the bottom of one side of batching jar is connected with the discharging pipe that has the valve.

Further, the below of batching jar is provided with one and supports the base, the up end both ends fixed mounting who supports the base has the shock attenuation seat, the top of shock attenuation seat and the lower terminal surface fixed connection of batching jar.

Compared with the prior art, the utility model, following beneficial effect has:

a accurate feed proportioning system of polyurethane pouring, structural design is novel, and easy operation is convenient, through weighing sensor's on the head tank design automatic weighing pouring raw materials's weight, the ratio of control raw materials, it is more accurate, labour saving and time saving has improved the efficiency of pouring and the quality of product.

Drawings

FIG. 1 is a schematic structural diagram of a polyurethane casting precision batching system.

FIG. 2 is a schematic structural diagram of a weighing and feeding assembly in a polyurethane pouring precise batching system.

FIG. 3 is a schematic block diagram of electrical control in a polyurethane casting precise batching system.

In the figure: 1. a dosing tank; 2. a control panel; 3. a support base; 4. a stirring motor; 5. a shock absorbing seat; 6. a discharge pipe; 7. a stirring shaft; 8. stirring blades; 9. a mounting frame; 10. a receiving hopper; 11. a raw material tank; 12. an electromagnetic valve; 13. a fixing plate; 14. a weighing sensor; 15. positioning blocks; 16. a guide bar; 17. and (4) connecting the blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-3, an accurate feed proportioning system of polyurethane pouring, including a batching jar 1, rabbling mechanism and the feeding subassembly of weighing, the feeding subassembly of weighing is including setting firmly at the mounting bracket 9 at 1 top of batching jar, a plurality of head tanks 11 of movable mounting on mounting bracket 9, the bottom outside of head tank 11 has set firmly annular fixed plate 13, be provided with a plurality of weighing sensor 14 (preferably 3-4) between fixed plate 13 and the mounting bracket 9, weight difference when being used for detecting 11 batching of head tank, install solenoid valve 12 on 11's the bottom discharge gate of head tank, control panel 2 is installed in 1's the outside of batching jar, control panel 2's input and 14 electric connection of weighing sensor, control panel 2's output and solenoid valve 12 electric connection.

The weighing sensor 14 is an S-shaped weighing sensor 14 produced by Ningbo Korea force sensing technology Co., Ltd, and the model is PST-30; the upper end of weighing sensor 14 has set firmly connecting rod and upper fixed ring, and weighing sensor 14 is connected with the lower terminal surface of mounting bracket 9 through upper fixed ring, and weighing sensor 14's lower extreme is provided with connecting rod and lower fixed ring down, and the go-between sets firmly in the corresponding position on fixed plate 13, and lower fixed ring and go-between are connected.

When the device is used, firstly, the weight of each feeding in each raw material tank 11 is set on the control panel 2, then raw materials are filled in the raw material tanks 11, the weighing sensor 14 detects the total weight of the raw materials in the raw material tanks 11 and 11 in real time, after the feeding is completed and the index of the weighing sensor 14 is stable, the electromagnetic valve 12 is opened to discharge the raw materials in the raw material tanks 11, the weighing sensor 14 detects that the total weight of the raw materials in the raw material tanks 11 and 11 is reduced, the reduced weight is the discharge amount of the raw material tanks 11, and when the reduced weight reaches the set feeding weight, the control panel 2 controls the electromagnetic valve 12 to be closed, so that the purpose of accurate feeding is achieved; the stirring mechanism is started to stir various raw materials in the feeding process, so that the raw materials are mixed quickly.

In order to stabilize the position of the raw material tank 11, two sides of the raw material tank 11 are respectively provided with a positioning block 15, the positioning blocks 15 are fixedly arranged on the upper end surface of the mounting frame 9, one side, close to each other, of each of the two positioning blocks 15 is provided with a groove, a vertical guide rod 16 is fixedly arranged in each groove, the outer side of each guide rod 16 is sleeved with a connecting block 17, and the other end of each connecting block 17 is fixedly connected with the raw material tank 11; when the raw material tank 11 is in a full state and an empty state, the connecting block 17 cannot be in contact with the bottom end and the top end of the groove, so that the information of the weighing sensor 14 is accurate; when the weighing sensor 14 and the fixing plate 13 fall off, the connecting block 17 can ensure that the raw material tank 11 cannot fall off, and in addition, in the process of up-and-down floating of the raw material tank 11, the connecting block 17 is lifted along the direction of the guide rod 16 to keep the vertical state of the raw material tank 11.

For the convenience of feeding, the top of batching jar 1 is installed and is connect hopper 10, connects the inside intercommunication of hopper 10's bottom and batching jar 1, connects the top of hopper 10 to be located the below of head tank 11 for accept the raw materials.

Rabbling mechanism is including installing agitator motor 4 of terminal surface center department under 1 batching jar, connecting at agitator motor 4 output (mixing) shaft 7 and installing at the stirring leaf 8 in the (mixing) shaft 7 outside, (mixing) shaft 7 runs through batching jar 1 bottom lateral wall and extends to batching jar 1 inside, agitator motor 4 and control panel 2's output electric connection, agitator motor 4 drives (mixing) shaft 7 and stirring leaf 8 after the feeding and rotates for the raw materials mixes.

In order to facilitate discharging, the bottom of one side of the batching tank 1 is connected with a discharging pipe 6 with a valve.

In order to enhance the shock absorbing function of the equipment; a supporting base 3 is arranged below the batching tank 1, two ends of the upper end surface of the supporting base 3 are fixedly provided with a shock absorption seat 5, and the top of the shock absorption seat 5 is fixedly connected with the lower end surface of the batching tank 1; the damping mount 5 is established the damping spring in the telescopic support outside including fixing the telescopic support between supporting base 3 and batching jar 1 and cover, utilizes damping spring's elasticity to reach absorbing effect.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides an accurate feed proportioning system of polyurethane pouring which characterized in that: including a batching jar (1), rabbling mechanism and the feeding subassembly of weighing, the feeding subassembly of weighing is including setting firmly mounting bracket (9), a plurality of head tanks (11) on mounting bracket (9) at batching jar (1) top, the bottom outside of head tank (11) has set firmly annular fixed plate (13), be provided with a plurality of weighing sensor (14) between fixed plate (13) and mounting bracket (9) for weight when detecting head tank (11) batching is poor, install solenoid valve (12) on the bottom discharge gate of head tank (11), control panel (2) are installed in the outside of batching jar (1), the input and weighing sensor (14) electric connection of control panel (2), the output and solenoid valve (12) electric connection of control panel (2).

2. The polyurethane casting precise batching system of claim 1, wherein: the both sides of head tank (11) are provided with a locating piece (15) respectively, and locating piece (15) set firmly on the up end of mounting bracket (9), two one side that locating piece (15) are close to each other is seted up flutedly, and has set firmly vertical guide bar (16) in the recess, the outside cover of guide bar (16) is equipped with connecting block (17), the other end and head tank (11) fixed connection of connecting block (17).

3. A polyurethane casting precision batching system as claimed in claim 1 or 2, wherein: the top of batching jar (1) is installed and is connect hopper (10), connect the inside intercommunication of the bottom of hopper (10) and batching jar (1).

4. The polyurethane casting precise batching system of claim 1, wherein: rabbling mechanism is including installing agitator motor (4) of terminal surface center department under batching jar (1), connecting (mixing) shaft (7) at agitator motor (4) output and installing stirring leaf (8) in the (mixing) shaft (7) outside, mixing (mixing) shaft (7) run through the bottom lateral wall of batching jar (1) and extend to the inside of batching jar (1), agitator motor (4) and the output electric connection of control panel (2).

5. The polyurethane pouring accurate batching system of claim 4, wherein: the bottom of one side of batching jar (1) is connected with discharging pipe (6) that have the valve.

6. A polyurethane casting precision batching system as claimed in claim 4 or 5, wherein: the below of batching jar (1) is provided with one and supports base (3), the up end both ends fixed mounting who supports base (3) has shock attenuation seat (5), the top of shock attenuation seat (5) and the lower terminal surface fixed connection of batching jar (1).

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