CN210815114U

CN210815114U - Ceramic powder granulating device

Info

Publication number: CN210815114U
Application number: CN201921626058.1U
Authority: CN
Inventors: 戚志宇
Original assignee: Zhengzhou Yana Powder Co ltd
Current assignee: Zhengzhou Yana Powder Co ltd
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-06-23
Anticipated expiration: 2029-09-27

Abstract

The utility model provides a pottery powder prilling granulator, which comprises a case, the extrusion granulation subassembly includes that two parallels and rotation are installed in quick-witted incasement portion for hollow squeeze roll, all be equipped with the same extrusion gear on two squeeze rolls, all the shaping has many semicircular arrangements and follows the squeeze groove of squeeze roll axial distribution on the roll surface of two squeeze rolls, the squeeze groove one-to-one on two squeeze roll surface just can rotate in opposite directions along with two squeeze rolls and combine to form the extrusion chamber in the tangent department of roll surface, the bottom in every squeeze groove all is equipped with the through-hole and passes and has the ejector pin states the ejector pin one end and stretch into the inside cavity of squeeze roll and the other end of ejector pin and stretch out the squeeze roll, on stretch out one of squeeze roll and serve and be fixed with the roof, be equipped with the support frame of a plurality of rectangles. Can collect and reuse the tails that produce in the ceramic granulation powder technology to can guarantee that the granule efficient carries out the ejection of compact.

Description

Ceramic powder granulating device

Technical Field

The utility model relates to a granulation equipment technical field especially relates to a ceramic powder prilling granulator.

Background

The ceramic granulated powder is a main raw material of ceramic products, and the main process of the ceramic granulated powder is to granulate the ceramic granulated powder. The granulation method mainly comprises stirring granulation, pressure forming granulation, mould pressing granulation and extrusion granulation, and the extrusion method is the main method for pressure forming granulation in the powder industry in China at present. The extrusion method granulation equipment can be divided into a vacuum compression bar granulator, a single (double) screw extrusion granulator, a model punching machine, a plunger extruder, a roller extruder, a double-roller extrusion granulator and the like according to the working principle and structure. The method has the advantages of strong adaptability, large yield, uniform granularity, good particle strength, high granulation rate and the like. The most adoption in the market is the pair roller extrusion granulator, and the pair roller extrusion granulator utilizes the extrusion force of two relative rotation rolls to come the granulation shaping, and two steel roll surfaces have the hemispherical pit model of align to grid, and the powder gets into between two rollers from the feed opening of mixer, and two corresponding hemisphere section moulds on the roll extrude relatively after filling with the material again, and two hemispheres just synthesize a oblate granule. But extrusion roller 5 may lead to the granule to adsorb on extrusion roller 5 after the extrusion, causes the jam of model, influences the efficiency of ejection of compact, and the material can tightly attach and be difficult to clear up in the model after a lot of extrusion simultaneously, causes a large amount of cleaning work for the staff. In the prior art, the recovery and utilization of residual powder in the production process are always difficult to break through, because residual tail powder can be generated in equipment places such as a conventional spray tower bag-type dust collector, a workshop environment dust collector, a press workshop, a pre-kiln blank grinding machine and the like, and the tail powder has different particle sizes and cannot be directly recovered in production, the oversized or undersized powder can cause bad influence on the product quality, if the tail powder is recycled through a series of conventional procedures such as chemical pulping, drying, granulation and the like in a conventional mode, the recovery cost of the mode is high, and manufacturers often select to directly discard the tail powder. Not only wasted the material like this, the manufacturing cost who increases simultaneously, a large amount of manpowers that also are wasted to the processing of waste gas tails simultaneously.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model aims at providing a pottery powder prilling granulator, can guarantee that the granule on the squeeze roll 5 in the granulator carries out effectual ejection of compact, prevents to produce and blocks up influence production efficiency to collect the reuse to abandonment tails, not only can reduce the material extravagant, reduce manufacturing cost, can also reduce staff's intensity of labour simultaneously.

The ceramic powder granulating device comprises a case, wherein a crushing assembly and an extruding and granulating assembly positioned below the crushing assembly are arranged in the case, the crushing assembly comprises two crushing rollers which are parallel and rotate oppositely and are arranged in the case, a feed inlet positioned above the crushing rollers is arranged on the case, a motor is arranged on the case, the extruding and granulating assembly comprises two hollow extruding rollers which are parallel and rotate in the case, the output end of the motor is connected with one of the extruding rollers through a belt, the two extruding rollers are respectively provided with the same extruding gears, the two extruding gears are mutually meshed, the two crushing rollers are respectively fixed with a crushing gear, one of the extruding rollers is connected with one of the crushing rollers through a belt, the roller surfaces of the two extruding rollers are respectively formed with a plurality of extruding grooves which are arranged in a semicircular shape and are distributed along the axial direction of the extruding rollers, the extrusion grooves on the roll surfaces of the two extrusion rolls correspond to one another and can rotate oppositely along with the two extrusion rolls to form extrusion cavities at the tangent positions of the roll surfaces, through holes are formed in the bottom of each extrusion groove, ejector rods penetrate through the through holes, one ends of the ejector rods stretch into cavities inside the extrusion rolls, the other ends of the ejector rods stretch out of the extrusion rolls, a top plate is fixed to one end, stretching out of the extrusion rolls, of the ejector rods, a support frame with a plurality of rectangles is arranged in the cavities inside the extrusion rolls, one ends, stretching into the extrusion rolls, of the ejector rods are fixed to the support frame, a screen positioned on a case is arranged below the crushing assembly, a discharge port positioned on the case is arranged at the position where the screen contacts with the inner wall of the case, a particle collecting box is.

Preferably, the one end that is close to the granule collecting box of screen cloth rotates with the lateral wall of quick-witted case to be connected, and quick-witted incasement portion is fixed with the pneumatic cylinder, and the telescopic link of pneumatic cylinder is connected with the screen cloth is rotated to the one end of keeping away from screen cloth and quick-witted case rotation junction.

Preferably, the plurality of support frames are fixed with balancing weights, and the top plate is an arc-shaped plate with the same radius as the semicircular extrusion groove.

Preferably, a fan is fixed on the case, and an air outlet of the fan is communicated with the case through a pipeline and is positioned between the crushing assembly and the extrusion granulation assembly.

The utility model has the advantages that: can collect and reuse the tails that the different stages in the ceramic granulation powder production process produced, reduce manufacturing cost, can effectively extrude the powder granulation simultaneously and can guarantee effectual ejection of compact, can not lead to the fact the influence to equipment, increase the life of equipment, can carry out the efficient screening to the material after the granulation simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic front structural view of the present invention.

Fig. 3 is a schematic view of the supporting frame of the present invention.

Fig. 4 is a schematic structural view of the squeeze roll of the present invention.

Fig. 5 is a schematic view of the structure of the push rod of the present invention.

Detailed Description

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.

As shown in the figures 1, 2, 3, 4 and 5, the ceramic powder granulating device comprises a machine case 1 and is characterized in that a crushing assembly and an extrusion granulating assembly positioned below the crushing assembly are arranged in the machine case 1, the crushing assembly comprises two crushing rollers 2 which are parallel and oppositely and rotatably arranged in the machine case 1, a feed inlet 3 positioned above the crushing rollers 2 is arranged on the machine case 1, a motor 4 is arranged on the machine case 1, the extrusion granulating assembly comprises two hollow extrusion rollers 5 which are parallel and rotatably arranged in the machine case 1, the output end of the motor 4 is connected with one of the extrusion rollers 5 through a belt, the same extrusion gear 6 is arranged on each of the two extrusion rollers 5, the two extrusion gears 6 are mutually meshed, the crushing gears 7 are fixed on the two crushing rollers 2, and one of the extrusion rollers 5 is connected with one of the crushing rollers 2 through a belt, the roll surfaces of the two extrusion rollers 5 are respectively formed with a plurality of extrusion grooves 8 which are arranged in a semicircular shape and are distributed along the axial direction of the extrusion rollers 5, the extrusion grooves 8 on the roll surfaces of the two extrusion rollers 5 are in one-to-one correspondence and can rotate oppositely along with the two extrusion rollers 5 to be combined at the tangent position of the roll surfaces to form an extrusion cavity 9, the bottom of each extrusion groove 8 is provided with a through hole and penetrates through an ejector rod 10, one end of the ejector rod 10 extends into the cavity inside the extrusion roller 5, the other end of the ejector rod 10 extends out of the extrusion roller 5, one end of the ejector rod 10 extending out of the extrusion roller 5 is fixed with a top plate 11, a plurality of rectangular support frames 12 are arranged in the cavity inside the extrusion roller 5, one end of the ejector rod 10 extending into the extrusion roller 5 is fixed on the support frames 12, a screen 13 positioned on the machine case 1 is arranged below the crushing assembly, and a discharge hole, and a particle collecting box 15 is arranged on one side of the discharge port 14, which deviates from the interior of the case 1, and a powder collecting box 16 is arranged below the screen 13.

When the device is used, firstly, a power supply is switched on, the motor 4 and the extrusion motor are simultaneously opened, then materials are conveyed to the feed inlet 3 through the mechanical device, the materials enter the machine case 1 through the feed inlet 3, because the materials are waste residues generated in different stages on a ceramic granulation powder manufacturing production line, the materials have different particle sizes, the materials cannot be directly extruded and granulated, and adverse effects can be caused to products formed by granulation, the materials can be firstly ground and crushed by the crushing component rotatably arranged in the machine case 1 after entering the machine case 1, so that the particle sizes of the materials are consistent, the forming of the products is facilitated, the materials after being crushed continue to move downwards, the extrusion and granulation components are arranged below the crushing component, the materials are further extruded by extrusion granulation, the extrusion and granulation components are two extrusion rollers 5 which are arranged in parallel, and semicircular extrusion grooves 8 are uniformly distributed on the surfaces of the extrusion rollers 5, the extrusion grooves 8 on the two extrusion rollers 5 can form a complete extrusion strength at the contact part of the two extrusion rollers 5, the crushed material can fall into the extrusion grooves 8 downwards, then the two extrusion rollers 5 rotate oppositely, and the rotation of the two extrusion rollers 5 forms the extrusion cavity 9, so that the material can be extruded in the extrusion cavity 9 to form particles with uniform plasmids. But extrusion type granulation equipment on the existing market though can be effectual carries out the granulation to the material, but produce the laminating after the extrusion between material can and squeeze roll 5, it is difficult to drop under the effect of external force not having, cause the granule to continue to stay in squeeze roll 5's extrusion groove 8, cause the influence to extrusion groove 8 next work, not only can lead to being filled up by the material in extrusion groove 8 and can't carry out the granulation for a long time, still can lead to the clearance change between the squeeze roll 5 to cause equipment can not normally granulate, influence production efficiency. The device is provided with a through hole at the bottom of an extrusion groove 8, a mandril 10 penetrates through the through hole, a top plate 11 is specified at one end of the mandril 10, the other end of the mandril is fixed with a support frame 12, the support frame 12 is rectangular because the extrusion grooves 8 are distributed along the extrusion rollers 5 in a strip shape, the extrusion grooves 8 of each extrusion groove 8 are also provided with the same extrusion groove 8 and the same mandril 10 on the corresponding surface of the extrusion roller 5, the extrusion groove 8 of each extrusion groove and the mandril 10 on the opposite extrusion groove 8 of each extrusion groove are fixed on the same support frame 12, when one of the top plates 11 is tightly attached to the extrusion groove 8, the opposite top plate 11 extends out of the extrusion groove 8, when two extrusion rollers 5 rotate, materials are extruded into particles when the extrusion grooves 8 on the two extrusion rollers 5 are opposite, the extrusion rollers 5 continue to rotate the two extrusion grooves 8 to be separated, the particles may be clamped in one of the extrusion grooves 8, and when the extrusion groove 8 with the particles rotates to ensure that the corresponding extrusion groove During the time, roof 11 just can push away the granule from extrusion groove 8, it can't carry out effectual ejection of compact just to repeat this motion by the granule card after the extrusion in extrusion groove 8 of just can effectually avoiding, the granule after the extrusion can continue downwards, be equipped with screen cloth 13 in the below of squeeze roll 5, because carry out the extruded in-process at squeeze roll 5 and probably can make the material powder drop from the clearance between two rollers, screen cloth 13 can carry out effectual separation with granule and powder, simultaneously in order to carry out certain inspection to those loose granules, avoid causing the smashing of granule in the transportation, influence the quality of product. And adding the filtered powder into the equipment again for reprocessing, and collecting and packaging the screened particles.

One end of the screen 13 close to the particle collecting box 15 is rotatably connected with the side wall of the case 1, a hydraulic cylinder 17 is fixed inside the case 1, and an expansion link of the hydraulic cylinder 17 is rotatably connected with one end of the screen 13 far away from the rotary connection part of the screen 13 and the case 1.

Rotate the one end of screen cloth 13 and install on quick-witted case 1, can not set up pneumatic cylinder 17 with the other end, when equipment carries out the during operation, by extrusion's granule drop on the screen cloth 13 of below, pneumatic cylinder 17 can carry out quick flexible this moment, can make screen cloth 13 realize the luffing motion, avoids the granule to drop and causes the jam of screen cloth 13 on screen cloth 13, has still increased the further improvement production efficiency of filter effect of screen cloth 13 simultaneously.

The supporting frames 12 are all fixed with balancing weights 18, and the top plate 11 is an arc-shaped plate with the same radius as the semi-circular extrusion groove 8.

Make roof 11 paste the bottom of tight extrusion groove 8 when carrying out the extrusion of next time in order to make ejector pin 10, set up the arc with roof 11, can increase the plumpness of granule, and set up balancing weight 18 on support frame 12, can make ejector pin 10 can fall automatically under the effect of balancing weight 18 when carrying out the extrusion of next time, can also make the ejector pin 10 that corresponds rather than stretch out extrusion groove 8 simultaneously, realize the ejection of compact of granule, the production vibrations that can be continuous under the effect of configuration piece simultaneously, the efficiency of the ejection of compact of granule is increased.

A fan 19 is fixed on the case 1, and an air outlet of the fan 19 is communicated with the case 1 through a pipeline and is positioned between the crushing component and the extrusion granulation component.

At 1 line fixed fan 19 of quick-witted case, the air outlet stretches into quick-witted case 1 to be close to squeeze roll 5, open fan 19 and can blow remaining powder on squeeze roll 5, especially the powder in extrusion groove 8, avoided because the residue of powder causes roof 11 can not laminate with extrusion groove 8 bottom in the extrusion groove 8, influence the shaping of granule, the time of having a specified duration has still caused the influence to the work of ejector pin 10.

The above-mentioned embodiments are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design concept of the present invention should be included in the protection scope defined by the claims of the present invention.

Claims

1. A ceramic powder granulating device comprises a case (1) and is characterized in that a crushing assembly and an extruding and granulating assembly located below the crushing assembly are arranged inside the case (1), the crushing assembly comprises two parallel crushing rollers (2) which are rotatably installed inside the case (1) in opposite directions, a feed inlet (3) located above the crushing rollers (2) is formed in the case (1), a motor (4) is arranged on the case (1), the extruding and granulating assembly comprises two hollow extruding rollers (5) which are rotatably installed inside the case (1) in parallel, the output end of the motor (4) is connected with one of the extruding rollers (5) through a belt, the two extruding rollers (5) are respectively provided with the same extruding gear (6) and the two extruding gears (6) are mutually meshed, the two crushing rollers (2) are respectively fixed with a crushing gear (7), one of the extrusion rollers (5) is connected with one of the crushing rollers (2) through a belt, a plurality of extrusion grooves (8) which are arranged in a semicircular shape and are axially distributed along the extrusion rollers (5) are formed in the roller surfaces of the two extrusion rollers (5), the extrusion grooves (8) in the roller surfaces of the two extrusion rollers (5) correspond to each other one by one and can rotate oppositely along with the two extrusion rollers (5) to form an extrusion cavity (9) at the tangent position of the roller surfaces, a through hole is formed in the bottom of each extrusion groove (8) and penetrates through a mandril (10), one end of the mandril (10) extends into a cavity in the extrusion rollers (5), the other end of the mandril (10) extends out of the extrusion rollers (5), a top plate (11) is fixed at one end of the mandril (10) extending out of the extrusion rollers (5), a plurality of rectangular support frames (12) are arranged in the cavity in the extrusion rollers (5), and one end of the mandril (10) extending into the extrusion rollers (5) is fixed on the support frames, the crushing component is provided with a screen (13) positioned on the case (1) below, a discharge port (14) positioned on the case (1) is arranged at the position where the screen (13) contacts with the inner wall of the case (1), a particle collecting box (15) is arranged on one side of the discharge port (14) deviating from the inside of the case (1), and a powder collecting box (16) is arranged below the screen (13).

2. A ceramic powder granulating device as claimed in claim 1, wherein the end of the screen (13) close to the particle collecting box (15) is rotatably connected to the side wall of the casing (1), a hydraulic cylinder (17) is fixed in the casing (1), and the telescopic rod of the hydraulic cylinder (17) is rotatably connected to the end of the screen (13) far from the rotary connection between the screen (13) and the casing (1).

3. A ceramic powder granulating apparatus as claimed in claim 1, wherein a weight block (18) is fixed to each of said plurality of supporting frames (12), and said top plate (11) is an arc-shaped plate having the same radius as the semi-circular extrusion groove (8).

4. The ceramic powder granulating device of claim 1, wherein a fan (19) is fixed on the case (1), and an air outlet of the fan (19) is communicated with the case (1) through a pipeline and the communicated position is located between the crushing assembly and the extrusion granulating assembly.