CN114130480A

CN114130480A - Useless pottery device of milling

Info

Publication number: CN114130480A
Application number: CN202111441489.2A
Authority: CN
Inventors: 不公告发明人
Original assignee: Chongqing Fujite Machinery Manufacturing Co ltd
Current assignee: Binzhou Ono New Material Technology Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-03-04
Anticipated expiration: 2041-11-30
Also published as: CN114130480B

Abstract

The invention provides a waste ceramic grinding device which comprises a machine body, a baffle ring, a grinding roller, a first driving mechanism, a second driving mechanism, a scraper and a screening mechanism. Through carrying out the grinding and the screening that circulate to useless pottery, be convenient for sieve qualified powder fast out, avoided qualified ceramic powder volume to press on grinding the platform to influence the grinding of roller to the material, cause the roller and can't fully grind, when promoting the effect of rolling of roller, improved the yield, reduced manufacturing cost.

Description

Useless pottery device of milling

Technical Field

The invention relates to the technical field of ceramic material preparation, in particular to a waste ceramic grinding device.

Background

Ceramic is a material with rich raw material sources, long traditional skills, hardness, durability and a series of excellent properties, and along with the rapid development of modern science and technology, ceramic is used as an important structural and functional material and is widely applied to various fields of machinery, chemical engineering, metallurgy, electronics, biomedicine, environmental protection and the like.

The ceramic material can be changed into a ceramic preparation raw material again after being recycled in the production process or recycled waste porcelain, for example, the waste material is ground into powder, and then some additives are added to form a new raw material. Thus, the influence on the environment can be reduced, and the use efficiency of resources can be improved.

After the ceramic waste is broken into small pieces, the ceramic waste can meet the requirement of subsequent production and use by further processing coarse particles into fine particles. When the wheel milling equipment is used for crushing, materials can be continuously accumulated on the milling table, and effective collection and treatment cannot be carried out. Meanwhile, after new materials are added, the materials can be buried by the qualified powder which is milled, so that the milling efficiency is low, and the production efficiency is reduced.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a waste ceramic grinding device to improve the grinding efficiency and facilitate the effective grinding and screening of materials.

In order to achieve the purpose, the invention provides a waste ceramic grinding device which comprises a machine body, wherein a grinding cavity and a discharge channel are arranged in the machine body and are communicated, a grinding table is formed at the bottom of the grinding cavity and is annular, and the discharge channel is positioned at the center of the grinding table; the baffle ring is matched on the grinding table in a lifting mode, the baffle ring and the grinding table are arranged concentrically, and when the baffle ring retracts into the grinding table, the top of the baffle ring is flush with the surface of the grinding table; the grinding roller is arranged on the grinding table and is positioned between the retaining ring and the inner wall of the grinding cavity when the retaining ring extends out of the grinding table; the first driving mechanism is rotationally connected with the grinding roller and is used for driving the grinding roller to rotate around the center of the grinding table; a second drive mechanism mounted on the first drive mechanism; the scraping plate is connected with the second driving mechanism, the second driving mechanism is used for driving the scraping plate to rotate or lift, and when the baffle ring retracts into the grinding table, the scraping plate can scrape and push the materials on the grinding table into the discharging channel; and the screening mechanism is arranged at the bottom of the machine body and is communicated with the discharge channel, and the screening mechanism is used for screening the milled materials.

Preferably, grind the bench be provided with the endocentric holding tank of discharging channel, fender ring sliding fit is in the holding tank, be provided with a plurality of first cylinders in the holding tank, every the piston rod of first cylinder with the bottom of keeping off the ring is connected.

Preferably, the number of the second driving mechanism and the scraper blade is two, the second driving mechanism comprises a support arm, and one end of the support arm is connected with the first driving mechanism; the guide frame is arranged on the support arm, and a mounting plate is vertically matched on the guide frame in a sliding manner; the second air cylinder is arranged at the top of the guide frame, and a piston rod of the second air cylinder is connected with the top of the mounting plate; the corner motor is arranged at the bottom of the mounting plate; and the connecting rod is vertically movably penetrated through the support arm, the connecting rod can rotate relative to the support arm, one end of the connecting rod is connected with a rotating shaft of the corner motor, and the other end of the connecting rod is connected with the top of the scraper.

Preferably, the first driving mechanism comprises a driving motor mounted on the top of the machine body; the rotating shaft is vertically arranged on the machine body and is rotationally connected with the machine body, the upper end of the rotating shaft is connected with an output shaft of the driving motor, and the rotating shaft and the grinding table are concentrically arranged; the support arm is connected to the fixed seat, a sliding cavity is formed in the fixed seat, two guide grooves communicated with the sliding cavity are formed in two sides of the fixed seat respectively, and the guide grooves extend vertically; the number of the grinding rollers is two, the connecting shafts sequentially penetrate through the guide groove, the sliding cavity and the guide groove on the other side along the transverse direction, and two ends of each connecting shaft are respectively in rotating connection with one grinding roller; a sliding seat is vertically matched in the sliding cavity in a sliding manner and fixedly penetrates through the connecting shaft; and the compression springs are arranged in the sliding cavity, and two ends of each compression spring are respectively connected with the top of the sliding seat and the top of the sliding cavity.

Preferably, the machine body is provided with a plurality of feeding channels communicated with the grinding cavity, the feeding channels are positioned above the grinding cavity, and the feeding channels are arranged along the center of the grinding table in an annular array; the top of the machine body is provided with a plurality of hoppers, and each hopper is correspondingly connected with one feeding channel.

Preferably, the screening mechanism comprises a base; the damping springs are mounted on the box body on the base and mounted on the damping springs, a feed inlet is formed in the top of the box body, a guide cylinder is arranged at the bottom of the discharge channel and extends into the feed inlet, and a space is reserved between the guide cylinder and the feed inlet; the vibration motor is arranged on the box body and is used for driving the box body to vibrate; the screen is obliquely arranged in the box body, a first discharge hole is formed in one side, far away from the feed inlet, of the box body, and the first discharge hole is connected with the lower end of the screen; and the material guide plate is obliquely arranged in the box body and is positioned below the screen, a second discharge hole is arranged below the first discharge hole, and the second discharge hole is connected with the lower end of the material guide plate.

The invention has the beneficial effects that:

1. the invention discloses a waste ceramic grinding device.A first driving mechanism can drive a grinding roller to rotate circumferentially around a grinding table and rotate, so that waste ceramic plates on the grinding table are ground. When keeping off the ring and withdraw completely and grind the bench interior time, keep off the top of ring and grind the bench surface and flush, second actuating mechanism drives the scraper blade and rotates and descend gradually and hug closely on grinding the bench surface, and first actuating mechanism drives simultaneously again and rolls roller and scraper blade and rotate around the center of grinding the bench, and the scraper blade can be gradually with grinding the bench material scrape impel discharging channel to enter into and sieve in the screening mechanism.

Through carrying out the grinding and the screening that circulate to useless pottery, be convenient for sieve qualified powder fast out, avoided qualified ceramic powder volume to press on grinding the platform to influence the grinding of roller to the material, cause the roller and can't fully grind, when promoting the effect of rolling of roller, improved the yield, reduced manufacturing cost.

2. Through designing two sets of scraper blades and second actuating mechanism, not only can strengthen the scraper blade and scrape the ability and the efficiency of pushing away the material, simultaneously, two scraper blades can be followed not equidirectional rotation respectively, through mutually supporting to will grind the material on the bench and scrape the effective range of rolling that impels the roller as far as possible, so, improved this milling device's the efficiency of milling greatly, thereby reduce the operating duration of equipment, practiced thrift manufacturing cost.

Drawings

In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a schematic structural view of a waste ceramic grinding apparatus according to an embodiment of the present invention;

FIG. 2 is another schematic view of the milling apparatus;

FIG. 3 is a schematic structural view of a scraper separating from a grinding table;

FIG. 4 is a schematic view of the blade rotation and descent;

FIG. 5 is a transverse cross-sectional view of the body in the state of FIG. 3;

FIG. 6 is a transverse cross-sectional view of the body in the state of FIG. 4;

fig. 7 is a schematic diagram of two scrapers scraping material into the effective rolling range of the roller.

Reference numerals:

1-machine body, 11-grinding chamber, 12-discharge channel, 13-grinding table, 14-holding tank, 15-feed channel, 16-hopper, 17-guide cylinder, 2-baffle ring, 3-grinding roller, 4-first driving mechanism, 41-driving motor, 42-rotating shaft, 43-fixing seat, 431-sliding chamber, 432-guide groove, 44-connecting shaft, 45-sliding seat, 46-compression spring, 5-second driving mechanism, 51-supporting arm, 52-guide frame, 53-mounting plate, 54-second cylinder, 55-corner motor, 56-connecting rod, 6-scraping plate, 7-sieving mechanism, 71-base, 72-damping spring, 73-box body, 731-feed inlet, 732-a first discharge port, 733-a second discharge port, 74-a vibrating motor, 75-a screen, 76-a material guide plate and 8-a first cylinder.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.

In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1 to 7, in one embodiment of the present invention, there is provided a waste ceramic grinding apparatus including a machine body 1, a retainer ring 2, a grinding roller 3, a first driving mechanism 4, a second driving mechanism 5, a scraper 6, and a sieving mechanism 7.

Wherein, be provided with the chamber 11 and the discharging channel 12 of milling of intercommunication in the organism 1, grind the chamber bottom in chamber 11 and be formed with and grind platform 13, grind platform 13 and be the annular, discharging channel 12 is located the center of grinding platform 13.

Keep off ring 2 lifting fit and grind on platform 13, keep off ring 2 and grind platform 13 and arrange with one heart, when keeping off ring 2 withdrawal and grind in the platform 13, keep off ring 2's top and grind 13 surfaces and flush, when keeping off ring 2 and stretching out and grind the platform 13 when outer, keep off ring 2 and can block to grind the material on the platform 13 and fall into in discharging channel 12.

The milling rollers 3 are arranged on the milling table 13, and when the baffle ring 2 extends out of the milling table 13, the milling rollers 3 are positioned between the baffle ring 2 and the inner wall of the milling chamber 11. First actuating mechanism 4 sets up on organism 1, and first actuating mechanism 4 rotates with roller 3 to be connected for drive roller 3 rotates around the center of grinding a table 13. The second driving mechanism 5 is installed on the first driving mechanism 4 and connected with the scraping plate 6, the second driving mechanism 5 is used for driving the scraping plate 6 to rotate or lift, and when the baffle ring 2 retracts into the grinding table 13, the scraping plate 6 can scrape and push the materials on the grinding table 13 into the discharging channel 12. Screening mechanism 7 sets up in the bottom of organism 1 to communicate with discharging channel 12, screening mechanism 7 is used for sieving the material after milling.

The embodiment discloses a useless pottery device of milling, first actuating mechanism 4 can drive roller 3 and do rotation and rotation around rolling platform 13 to mill the useless potsherd on rolling platform 13, through the fender ring 2 of design liftable, when keeping off ring 2 and stretching out and roll platform 13 when outer, keep off ring 2 and can block the material on rolling platform 13, avoid in it falls into discharging channel 12, thereby improve roller 3's the efficiency of milling. When keeping off ring 2 and retracting completely in grinding the platform 13, keep off ring 2's top and grind the platform 13 surface and flush, second actuating mechanism 5 drives scraper blade 6 and rotates and descend gradually and hug closely on grinding the platform 13 surface, and first actuating mechanism 4 drives simultaneously again and rolls roller 3 and scraper blade 6 and rotate around the center of grinding the platform 13, and scraper blade 6 can be gradually with grinding the material on the platform 13 and scrape the propulsion discharging channel 12 in.

After the material enters the screening mechanism 7, the material with block shape or thicker particles is vibrated and discharged from the first discharge port 732, and is sent into the grinding chamber 11 together with the added waste material to be continuously ground until the material is qualified. And qualified powder is discharged from the second discharge hole 733 by vibration, and after being collected, the additive is added according to a certain proportion, so that the powder can become the raw material for preparing the ceramic again.

Through carrying out the grinding and the screening that circulate to useless pottery, can carry out effectual screening to the material that mills, be convenient for sieve qualified ceramic powder fast and come out to avoid qualified ceramic powder to accumulate all the time on grinding platform 13, influence grinding roller 3 to the milling of cubic material, cause grinding roller 3 can't fully mill, weakened the effect that rolls of grinding roller 3.

In one embodiment, the grinding table 13 is provided with a receiving groove 14 concentric with the discharge channel 12, the baffle ring 2 is slidably fitted in the receiving groove 14, the receiving groove 14 is provided with a plurality of first cylinders 8, and a piston rod of each first cylinder 8 is connected with the bottom of the baffle ring 2. Under the drive of first cylinder 8, keep off ring 2 and can stretch out outside holding tank 14 or in retracting holding tank 14 to come to block the material when rolling the during operation, perhaps at needs screening during operation, retract completely and grind in the platform 13, be convenient for in scraper blade 6 scrapes the material and impels discharge channel 12.

In one embodiment, the number of the second driving mechanism 5 and the scraper 6 is two, and the second driving mechanism 5 includes a support arm 51, a guide frame 52, a second cylinder 54, a rotation angle motor 55, and a link 56. One end of the support arm 51 is connected with the first driving mechanism 4, the guide frame 52 is fixed on the support arm 51, and the mounting plate 53 is vertically matched on the guide frame 52 in a sliding manner. A second cylinder 54 is installed on the top of the guide frame 52, a piston rod of the second cylinder 54 is connected to the top of the mounting plate 53, and a rotation angle motor 55 is installed on the bottom of the mounting plate 53. The connecting rod 56 vertically penetrates through the support arm 51, the connecting rod 56 can rotate relative to the support arm 51, one end of the connecting rod 56 is connected with the rotating shaft 42 of the rotating angle motor 55, and the other end of the connecting rod 56 is connected with the top of the scraper 6.

Referring to fig. 3 and 5, when the milling roller 3 is in the milling operation, the scraping plate 6 is separated from the milling table 13, and the angle motor 55 rotates the scraping plate 6 by a proper angle by driving the connecting rod 56. Referring to fig. 4 and 6, when it is required to feed the material on the grinding table 13 into the sieving mechanism 7, the second cylinder 54 drives the mounting plate 53 to move downwards along the guide frame 52, so that the scraping plate 6 gradually descends and clings to the surface of the grinding table 13, the first driving mechanism 4 simultaneously drives the grinding roller 3 and the scraping plate 6 to rotate around the center of the grinding table 13, and the scraping plate 6 gradually scrapes the material on the grinding table 13 into the discharging channel 12.

Through designing two sets of scraper blades 6 and second actuating mechanism 5, not only can strengthen scraper blade 6 and scrape the ability and the efficiency of pushing away the material, simultaneously, refer to figure 7, two scraper blades 6 can be followed not equidirectional rotation respectively, through mutually supporting to the material that will grind on the platform 13 scrapes the effective range of rolling that impels roller 3 as far as possible, so, improved this milling device's the efficiency of milling greatly, thereby reduce the operating duration of equipment, practiced thrift manufacturing cost.

In one embodiment, the first driving mechanism 4 includes a driving motor 41, a rotating shaft 42, a fixing base 43, a connecting shaft 44, and a pressing spring 46. Driving motor 41 installs at the top of organism 1, and pivot 42 is along vertical setting on the organism 1 to rotate with organism 1 and be connected, the upper end of pivot 42 and driving motor 41's output shaft, pivot 42 and grinding table 13 are arranged with one heart. Fixing base 43 fixed connection is in the bottom of pivot 42, and two support arms 51 are connected on fixing base 43, are formed with the slip chamber 431 in the fixing base 43, and two guide way 432 with the intercommunication of slip chamber 431 have been seted up respectively to the both sides of fixing base 43, and guide way 432 is along vertical extension.

The number of the grinding rollers 3 is two, the connecting shaft 44 transversely penetrates through the guide groove 432, the sliding cavity 431 and the guide groove 432 on the other side in sequence, and two ends of the connecting shaft 44 are respectively rotatably connected with one grinding roller 3; a sliding seat 45 is vertically matched in the sliding cavity 431 in a sliding manner, and the sliding seat 45 is fixedly arranged on the connecting shaft 44 in a penetrating manner. A plurality of compression springs 46 are arranged in the sliding cavity 431, and two ends of each compression spring 46 are respectively connected with the top of the sliding seat 45 and the top of the sliding cavity 431.

When the material on the grinding table 13 is too much accumulated, the grinding roller 3 will generate a displacement amount in the vertical direction during the grinding process, and therefore, by sliding the sliding seat 45 in the sliding cavity 431, after the grinding roller 3 is lifted, the sliding seat 45 and the connecting shaft 44 will both slide along the corresponding sliding cavity 431 and the corresponding guide groove 432, and further abut against the compression spring 46, the compression spring 46 applies a downward thrust to the sliding seat 45, so that the grinding roller 3 is always pressed on the material.

In one embodiment, in order to facilitate adding materials into the grinding chamber 11, the machine body 1 is provided with a plurality of feeding channels 15 communicated with the grinding chamber 11, the feeding channels 15 are positioned above the grinding chamber 11, and the plurality of feeding channels 15 are arranged along the center of the grinding table 13 in an annular array; the top of the machine body 1 is provided with a plurality of hoppers 16, and each hopper 16 is correspondingly connected with one feeding channel 15.

In one embodiment, the sifting mechanism 7 includes a base 71, a damper spring 72, a case 73, a vibration motor 74, a screen 75, and a guide plate 76. The damping springs 72 are mounted on the base 71, the box body 73 is mounted on the damping springs 72, the feed inlet 731 is formed in the top of the box body 73, the material guide cylinder 17 is arranged at the bottom of the discharge channel 12, and the material guide cylinder 17 extends into the feed inlet 731 and is spaced from the feed inlet 731. The vibration motor 74 is disposed on the box 73 and is used for driving the box 73 to vibrate. The screen 75 is obliquely arranged in the box body 73, a first discharge hole 732 is formed in one side of the box body 73 far away from the feed hole 731, and the first discharge hole 732 is connected with the lower end of the screen 75. The material guide plate 76 is obliquely arranged in the box body 73, the material guide plate 76 is positioned below the screen 75, a second material outlet 733 is arranged below the first material outlet 732, and the second material outlet 733 is connected with the lower end of the material guide plate 76.

The vibration motor 74 is provided with a set of adjustable eccentric blocks at both ends of a rotor shaft, and obtains an exciting force by using a centrifugal force generated by high-speed rotation of the shaft and the eccentric blocks. The box 73 is driven by the vibration motor 74 to vibrate rapidly, so that the materials on the screen 75 can be screened, the materials which cannot pass through the screen 75 roll out from the first discharge hole 732 along the screen 75, and the qualified powder passes through the screen 75 and enters the material guide plate 76 and is discharged from the second discharge hole 733. The box 73 vibrated by leaving a space between the material guide cylinder 17 and the feeding hole 731 of the box 73 does not interfere with the normal discharge of the discharging channel 12.

The embodiment also discloses a preparation method of the ceramic powder, which comprises the following steps:

step 1: adding the crushed materials into the grinding cavity 11 from a plurality of hoppers 16 respectively, and starting a driving motor 41 to drive the grinding roller 3 to grind;

step 2: respectively starting the two corner motors 55 to enable the two scraping plates 6 to respectively rotate for a certain angle, and starting the second air cylinder 54 to enable the scraping plates 6 to be tightly attached to the surface of the grinding table 13, so that the materials on the grinding table 13 are scraped and pushed into the effective grinding range of the grinding roller 3 as much as possible;

and step 3: starting the first air cylinder 8 to pull the baffle ring 2 to retract into the accommodating groove 14, and enabling the top of the baffle ring 2 to be flush with the surface of the grinding body; then, the two corner motors 55 are started to enable the two scraping plates 6 to rotate by a certain angle respectively, and the materials on the grinding table 13 are scraped and pushed into the discharging channel 12 under the driving of the driving motor 41;

and 4, step 4: the vibrating motor 74 is started to sieve the materials on the screen 75, coarse particles or blocky materials roll out from the first discharge port 732 along the screen 75 and are collected, and qualified fine particle powder passes through the screen 75 and enters the material guide plate 76 and is discharged from the second discharge port 733 and is collected;

and 5: the material collected from the first discharge port 732 is added to the hopper 16 together with other materials to be ground;

step 6: and (5) repeating the steps 1 to 5.

In the description of the present invention, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims

1. The utility model provides a useless pottery device of milling which characterized in that: the method comprises the following steps:

the grinding machine comprises a machine body, wherein a grinding cavity and a discharge channel are communicated with each other and arranged in the machine body, a grinding table is formed at the bottom of the grinding cavity and is annular, and the discharge channel is positioned at the center of the grinding table;

the baffle ring is matched on the grinding table in a lifting mode, the baffle ring and the grinding table are arranged concentrically, and when the baffle ring retracts into the grinding table, the top of the baffle ring is flush with the surface of the grinding table;

the grinding roller is arranged on the grinding table and is positioned between the retaining ring and the inner wall of the grinding cavity when the retaining ring extends out of the grinding table;

the first driving mechanism is rotationally connected with the grinding roller and is used for driving the grinding roller to rotate around the center of the grinding table;

a second drive mechanism mounted on the first drive mechanism;

the scraping plate is connected with the second driving mechanism, the second driving mechanism is used for driving the scraping plate to rotate or lift, and when the baffle ring retracts into the grinding table, the scraping plate can scrape and push the materials on the grinding table into the discharging channel; and

and the screening mechanism is arranged at the bottom of the machine body and is communicated with the discharge channel, and the screening mechanism is used for screening the milled materials.

2. The used ceramic grinding apparatus according to claim 1, wherein: grind the bench be provided with the endocentric holding tank of discharging channel, keep off ring sliding fit and be in the holding tank, be provided with a plurality of first cylinders in the holding tank, every the piston rod of first cylinder with the bottom of keeping off the ring is connected.

3. The used ceramic grinding apparatus according to claim 1, wherein: the second actuating mechanism with the quantity of scraper blade is two, second actuating mechanism includes:

one end of the support arm is connected with the first driving mechanism;

the guide frame is arranged on the support arm, and a mounting plate is vertically matched on the guide frame in a sliding manner;

the second air cylinder is arranged at the top of the guide frame, and a piston rod of the second air cylinder is connected with the top of the mounting plate;

the corner motor is arranged at the bottom of the mounting plate; and

the connecting rod penetrates through the support arm in a vertical movable mode, the connecting rod can rotate relative to the support arm, one end of the connecting rod is connected with a rotating shaft of the corner motor, and the other end of the connecting rod is connected with the top of the scraper.

4. The used ceramic grinding apparatus according to claim 3, wherein: the first drive mechanism includes:

a driving motor installed at the top of the machine body;

the rotating shaft is vertically arranged on the machine body and is rotationally connected with the machine body, the upper end of the rotating shaft is connected with an output shaft of the driving motor, and the rotating shaft and the grinding table are concentrically arranged;

the support arm is connected to the fixed seat, a sliding cavity is formed in the fixed seat, two guide grooves communicated with the sliding cavity are formed in two sides of the fixed seat respectively, and the guide grooves extend vertically;

the number of the grinding rollers is two, the connecting shafts sequentially penetrate through the guide groove, the sliding cavity and the guide groove on the other side along the transverse direction, and two ends of each connecting shaft are respectively in rotating connection with one grinding roller; a sliding seat is vertically matched in the sliding cavity in a sliding manner and fixedly penetrates through the connecting shaft; and

and the compression springs are arranged in the sliding cavity, and two ends of each compression spring are respectively connected with the top of the sliding seat and the top of the sliding cavity.

5. The used ceramic grinding apparatus according to claim 1, wherein: a plurality of feeding channels communicated with the grinding cavity are formed in the machine body, the feeding channels are positioned above the grinding cavity, and the feeding channels are arranged along the center of the grinding table in an annular array;

the top of the machine body is provided with a plurality of hoppers, and each hopper is correspondingly connected with one feeding channel.

6. The used ceramic grinding apparatus according to any one of claims 1 to 5, wherein: the screening mechanism includes:

a base;

a plurality of damping springs mounted on the base

The box body is arranged on the plurality of damping springs, a feed inlet is formed in the top of the box body, a guide cylinder is arranged at the bottom of the discharge channel, and the guide cylinder extends into the feed inlet and is spaced from the feed inlet;

the vibration motor is arranged on the box body and is used for driving the box body to vibrate;

the screen is obliquely arranged in the box body, a first discharge hole is formed in one side, far away from the feed inlet, of the box body, and the first discharge hole is connected with the lower end of the screen; and

the material guide plate is obliquely arranged in the box body and located below the screen, a second discharge hole is formed below the first discharge hole, and the second discharge hole is connected with the lower end of the material guide plate.