CN216544325U - Sponge abrasive production system - Google Patents

Abstract

A sponge abrasive production system belongs to the technical field of sponge abrasive production devices. The existing production method can only mix polyurethane alone and then mix the polyurethane with hard abrasive materials, and then transfer the mixture to a die for standing forming and crushing, comprises a plurality of standing waiting processes, cannot realize continuous production, and has low production efficiency and unstable product quality. The utility model utilizes a mixing unit, a standing unit and a granulating unit; the mixing units comprise a raw material tank, a polyurethane mixing device and a stirring barrel, wherein the raw material tank is communicated with the polyurethane mixing device, and the polyurethane mixing device is communicated with the stirring barrel; the standing unit comprises a conveying belt and a mold, the mold is arranged on the conveying belt, and the stirring barrel is communicated with the mold; the granulation unit is arranged behind the conveying belt. And a proper stirring and mixing device is matched with the conveying belt, so that continuous production is realized, and the stable quality of the sponge grinding material is ensured.

Description

Sponge abrasive production system

Technical Field

A sponge abrasive production system belongs to the technical field of sponge abrasive production devices.

Background

Abrasive refers to all natural, man-made and by-product granular materials that have the ability to clean, cut, abrade, scour or otherwise alter the surface condition of a workpiece after being propelled at a certain velocity by compressed air, water flow, steam or a projectile. According to different materials, the abrasive can be divided into metal abrasive and non-metal abrasive; the abrasive can be classified into a hard abrasive and a soft abrasive according to the hardness of the abrasive. The sponge abrasive compounded by polyurethane elastic material and hard abrasive exists in the field of industry, the sponge abrasive can obtain certain cleaning efficiency by using the cutting force of the hard abrasive, and simultaneously, the problem of fire caused by dust breakage and spark polishing of the hard abrasive is solved by using the flexibility and the coating property of the polyurethane elastic material.

The existing production method can only mix polyurethane alone and then mix the polyurethane with hard abrasive materials, and then transfer the mixture to a die for standing forming and crushing, the whole process adopts manual operation, comprises a plurality of standing waiting processes, cannot realize continuous production, and has low production efficiency and unstable product quality.

Disclosure of Invention

The technical problem to be solved by the utility model is as follows: the defects of the prior art are overcome, the continuous sponge abrasive production system is provided, the production efficiency is improved, and the stability of the product quality is ensured.

The technical scheme adopted by the utility model for solving the technical problems is as follows: this sponge abrasive production system, its characterized in that: comprises a mixing unit, a standing unit and a granulating unit; the mixing units comprise a raw material tank, a polyurethane mixing device and a stirring barrel, wherein the raw material tank is communicated with the polyurethane mixing device, and the polyurethane mixing device is communicated with the stirring barrel; the standing unit comprises a conveying belt and a mold, the mold is arranged on the conveying belt, and the stirring barrel is communicated with the mold; the granulation unit is arranged behind the conveying belt.

Conveying the material A and the material B of the polyurethane raw material in the raw material tank to a polyurethane mixing device through a pump, preliminarily mixing the materials, and then feeding the mixture into a stirring barrel, synchronously adding hard grinding materials into the stirring barrel according to the proportion by an operator, and stirring the mixture in the stirring barrel by using the slow flow rate of polyurethane and then dropping the mixture into a mold; and (3) foaming and forming polyurethane in the die in the conveying process by utilizing a conveying belt in the standing unit, and conveying the polyurethane to a granulating unit for granulating to obtain a finished product.

Polyurethane mixing arrangement is with the preliminary misce bene of polyurethane, avoid the jam and the stereoplasm abrasive material maldistribution that the too early solidification shaping of polyurethane leads to, can guarantee the intensive mixing even of polyurethane A material and B material simultaneously, then shift to in the agitator, because polyurethane has preliminary misce bene, only need mix solid material and liquid material at the agitator, only need properly stir and can flow in the mould, make full use of transportation process, polyurethane foaming has been given, the fashioned time, can shift to next operating procedure simultaneously, make full use of transport time, the production of serialization has been realized, and the production efficiency improves.

Preferably, the granulation unit comprises a crusher and a vibrating screen which are sequentially arranged behind the conveying belt.

And (4) placing the foamed and molded semi-finished lump material into a crusher for crushing, and screening by using a vibrating screen to obtain the product.

The further preferred breaker is hammer crusher, and further preferred sword formula hammer, sword formula hammer is installed on the rotor with the round pin axle, and the shell is the symmetrical structure of opening, and it has the charge door to open on the semicircle, and screen cloth is installed to lower semicircle, installs wear-resisting inside lining board on the inner wall, and the shell is supported by the support, and the rotor shaft is arranged in the middle of the shell and is passed through the shell. Has better crushing effect.

Further preferably, the discharge port of the crusher is connected with the inlet of the vibrating screen.

Further preferably, the granulating unit further comprises a cutter, and the cutter is arranged between the crusher and the conveying belt.

Preferably, a heating device is further arranged on the conveying belt.

Utilize heating device can accelerate the foaming shaping of polyurethane to can shorten the transport distance of conveyer belt, further improve production efficiency.

Preferably, the polyurethane mixing device comprises a cavity, a motor, a stirring head and a stirring head shell, wherein the motor is connected with the stirring head through an output shaft, the stirring head is arranged at the bottom of the cavity, and the stirring head shell is arranged outside the stirring head; the motor output shaft penetrates through the cavity, a gap is formed between the bottom of the cavity and the motor output shaft, and the raw material tank is communicated to the cavity; the stirring head shell is communicated to the stirring barrel.

Polyurethane raw materials at first contact in the cavity, then pass the gap along motor output shaft and flow to stirring head downwards, the high-speed shearing force through stirring head in the stirring head shell is with A material and B material misce bene, avoid polyurethane too early foaming shaping under the low-speed of revolution to block up simultaneously, benefit from the stirring head to polyurethane through the fast-speed intensive mixing, can make polyurethane be in and last the flow state, avoid dwell time overlength in polyurethane mixing arrangement, and only need appropriate stirring in the agitator can, both guarantee the abundant misce bene of stereoplasm abrasive material and polyurethane, avoid dwell time overlength in polyurethane mixing arrangement again.

Further preferably, the outer wall of the stirring head is provided with bidirectional threads.

The shearing force of the stirring head can be effectively improved, the polyurethane mixing effect is improved, solidification is avoided, and the product quality is improved.

Preferably, the stirring barrel is arranged right above the conveying belt.

Further preferably, the bottom of the stirring barrel is open, stirring blades are arranged inside the stirring barrel, and the ratio of the sectional area of each stirring blade to the sectional area of the stirring barrel is 1: 2 to 4.

Utilize the viscosity of polyurethane self, its mobility is relatively poor, consequently can accomplish the stirring under stirring paddle leaf effect at its gravity downward flow in-process, and preferred area proportion can guarantee that the material can not flow the too fast stirring of speed insufficient, can avoid the material to solidify for a long time in the agitator dwell time again, improves production efficiency, guarantees product quality.

Preferably, the grinding material stirring device further comprises a hard grinding material tank which is communicated to the stirring barrel through a spiral conveyor.

The automatic feeding of hard abrasive materials is realized, and meanwhile, the feeding speed can be controlled through the screw conveyor, so that the proportion can be conveniently regulated and controlled at any time, and the product quality can be controlled.

Compared with the prior art, the utility model has the beneficial effects that: the continuous production of the sponge abrasive is realized, the ratio of the polyurethane to the hard abrasive is controlled more accurately, the labor amount is reduced, the production efficiency is improved, and meanwhile, the stable product quality can be kept.

Drawings

FIG. 1 is a schematic diagram of a sponge abrasive production system.

FIG. 2 is a schematic structural diagram of a polyurethane mixing device.

FIG. 3 is a schematic diagram of a head tank of a sponge abrasive production system.

Wherein, 1, a raw material tank; 2. a delivery pump; 3. a polyurethane mixing device; 4. a stirring barrel; 5. a mold; 6. a conveyor belt; 7. a cutter; 8. a crusher; 9. vibrating screen; 10. a polyurethane abrasive tank; 101. a stirring motor; 102. a feed inlet; 103. an air outlet; 104. a viewing port; 105. a stirring blade; 106. a liquid level meter; 107. a water outlet; 108. heating a tube; 301. a cavity; 302. a stirring head; 303. a mixing head housing; 601. and heating the gantry.

Detailed Description

The present invention will be further described with reference to the accompanying drawings 1 to 3.

Referring to figure 1: a sponge abrasive production system comprises a mixing unit, a standing unit and a granulating unit; the units are arranged in sequence.

Mixing unit includes head tank 1, stereoplasm abrasive tank 10, polyurethane mixing arrangement 3 and the agitator 4 of A material and B material, and head tank 1 of A material and B material communicates to polyurethane mixing arrangement 3 through delivery pump 2 respectively, and stereoplasm abrasive tank 10 communicates through screw conveyer in the agitator 4, and polyurethane mixing arrangement 3's discharge gate is located directly over the agitator 4.

Referring to FIG. 2: the polyurethane mixing device 3 comprises a motor, a cavity 301, a stirring head 302 and a stirring head shell 303, the raw material tank 1 is communicated to the cavity 301, an output shaft of the motor penetrates through the cavity 301 to be connected with the stirring head 302, the stirring head 302 is arranged below the cavity 301, the stirring head shell 303 is arranged outside the stirring head 302, and a gap is formed between the outer wall of the output shaft of the motor and the bottom of the cavity 301; the bottom of the stirring head shell 303 is communicated to the stirring barrel 4.

A stirring paddle blade is arranged in the stirring barrel 4 and connected with a motor, the bottom of the stirring barrel 4 is uncovered, and the area of the stirring paddle blade accounts for one third of the sectional area of the stirring barrel 4.

The refining unit comprises a conveyer belt 6 and dies 5, the dies 5 are placed on the conveyer belt 6, and the dies 5 are continuously placed below the stirring barrel 4. The middle part of the conveying belt 6 is provided with a heating gantry 601.

The granulating unit comprises a cutting machine 7, a crusher 8 and a vibrating screen 9, and the cutting machine 7, the crusher 8 and the vibrating screen 9 are sequentially placed behind the conveying belt 6. The outlet of the cutter 7 is connected to the inlet of the crusher 8, and the outlet of the crusher 8 is connected to the vibrating screen 9. The crusher is a hammer type crusher and is a knife type hammer, the knife type hammer is arranged on a rotor through a pin shaft, the shell is of a symmetrical open structure, the upper semicircle is provided with a feed inlet, the lower semicircle is provided with a screen, the inner wall is provided with a wear-resistant inner lining plate, the shell is supported by a bracket, and the rotor shaft is arranged in the middle of the shell and transversely penetrates through the shell.

Referring to FIG. 3: the raw material tank 1 comprises a stirring motor 101, a stirring blade 105, a liquid level meter 106 and an electric heating pipe 108, the stirring motor 101 is connected with the stirring blade 105, the liquid level meter 106 is arranged outside the raw material tank 1, the electric heating pipe 108 is arranged in a jacket of the raw material tank 1, meanwhile, the raw material tank 1 is further provided with a feed inlet 102, a gas outlet 103 and an observation port 104, and the jacket bottom of the raw material tank is further provided with a water outlet 107.

Polyurethane A material and B material are stored respectively in head tank 1, during production, in 2 together pump income polyurethane agitating unit 3 of transfer pump, flow into in the first shell 303 of stirring along the motor output shaft after preliminary contact, after the stirring is cuted to rotatory stirring head 302 at a high speed, fall into in the agitator 4 of below, mix with the stereoplasm abrasive material stirring that comes from stereoplasm abrasive material jar 10, fall into simultaneously in the mould 5 of below, polyurethane in the mould and the miscellany of stereoplasm abrasive material are moved the granulation unit by the conveyer belt at the in-process of shaping foaming, operating personnel only need pour the solid material in the mould 5 into cutting machine 7 in the cutting, then input breaker 8 can.

The transfer process is avoided, the labor capacity of operators is greatly reduced, the continuous production is realized, and meanwhile, the product quality is completely controllable and stable.

The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the utility model may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.

Claims (10)

1. A sponge abrasive production system which characterized in that: comprises a mixing unit, a standing unit and a granulating unit; the units are arranged in sequence, wherein the mixing unit comprises a raw material tank (1), a polyurethane mixing device (3) and a stirring barrel (4), the raw material tank (1) is communicated with the polyurethane mixing device (3), and the polyurethane mixing device (3) is communicated with the stirring barrel (4); the standing unit comprises a conveying belt (6) and a mould (5), the mould (5) is arranged on the conveying belt (6), and the stirring barrel (4) is communicated with the mould (5); the granulating unit is arranged behind the conveying belt (6).

2. The sponge abrasive production system of claim 1, wherein: the granulating unit comprises a crusher (8) and a vibrating screen (9), which are sequentially arranged behind the conveying belt (6).

3. The sponge abrasive production system of claim 2, wherein: the discharge port of the crusher (8) is connected with the inlet of the vibrating screen (9).

4. The sponge abrasive production system of claim 2, wherein: the granulating unit further comprises a cutting machine (7), and the cutting machine (7) is arranged between the crusher (8) and the conveying belt (6).

5. The sponge abrasive production system of claim 1, wherein: the conveying belt (6) is also provided with a heating device.

6. The sponge abrasive production system of claim 1, wherein: the polyurethane mixing device (3) comprises a cavity (301), a motor, a stirring head (302) and a stirring head shell (303), wherein the motor is connected with the stirring head (302) through an output shaft, the stirring head (302) is arranged at the bottom of the cavity (301), and the stirring head shell (303) is arranged outside the stirring head (302); the motor output shaft penetrates through the cavity (301), a gap is formed between the bottom of the cavity (301) and the motor output shaft, and the raw material tank (1) is communicated to the cavity (301); the stirring head shell (303) is communicated to the stirring barrel (4).

7. The sponge abrasive production system of claim 6, wherein: the outer wall of the stirring head (302) is provided with bidirectional threads.

8. The sponge abrasive production system of claim 1, wherein: the stirring barrel (4) is arranged right above the conveying belt (6).

9. The sponge abrasive production system of claim 8, wherein: the stirring barrel (4) is provided with an opening at the bottom, and stirring blades are arranged inside the stirring barrel (4), and the sectional area of the stirring blades is 1: 2 to 4.

10. The sponge abrasive production system of claim 1, wherein: still include stereoplasm abrasive tank (10), stereoplasm abrasive tank (10) communicate to agitator (4) through screw conveyer.

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