CN110252462B

CN110252462B - Antiseized glutinous chemical grinding device of antiskid

Info

Publication number: CN110252462B
Application number: CN201910616529.9A
Authority: CN
Inventors: 樊宽江
Original assignee: Hunan Huize Bio Pharmaceutical Co ltd
Current assignee: HUNAN HUIZE BIO-PHARMACEUTICAL Co.,Ltd.
Priority date: 2019-07-09
Filing date: 2019-07-09
Publication date: 2020-10-09
Anticipated expiration: 2039-07-09
Also published as: CN110252462A; GB201917542D0

Abstract

The invention discloses an anti-skid and anti-sticking chemical grinding device, which comprises a grinder, wherein a grinding cavity is arranged in the grinder, an eccentric wheel capable of grinding solid chemicals into powder is arranged in the grinding cavity, a pushing mechanism capable of gathering the chemicals dispersed at the bottom of the grinding cavity is arranged in the grinding cavity, a transmission shaft is fixed at the center of the eccentric wheel, a driving mechanism capable of driving the transmission shaft to rotate and providing power for the device to operate is arranged in the left end wall of the grinding cavity, a screening mechanism capable of filtering out powder is also arranged in the lower end wall of the grinding cavity, the screening mechanism comprises a screening cavity with an upward opening, a scraping mechanism capable of removing the powder stuck on the eccentric wheel is also arranged in the upper end wall of the grinding cavity, and the device can continuously grind the chemicals which are not completely ground when in work to ensure the grinding quality, and in the process of milling, all chemicals are stacked together, so that the milling efficiency is ensured.

Description

Antiseized glutinous chemical grinding device of antiskid

Technical Field

The invention relates to the field of grinding, in particular to an anti-skid and anti-sticking chemical grinding device.

Background

In the process of chemical experiments, the powdered chemical is more obvious in reaction blocks than the granular or blocky chemical, and the powdered chemical is favorable for the rapid experiment;

at present, some chemical medicines are ground by means of a mortar, the working efficiency is low, time and labor are consumed, some chemical medicines are ground in a mechanical mode, and some particles cannot be ground in the grinding process, so that the grinding quality is reduced.

Disclosure of Invention

The technical problem to be solved by the invention is to provide an anti-skid and anti-sticking chemical grinding device, which overcomes the problems of low grinding efficiency, low grinding quality and the like and improves the grinding efficiency and the grinding quality.

The invention is realized by the following technical scheme.

The invention relates to an anti-skid and anti-sticking chemical grinding device which mainly comprises a grinder, wherein a grinding cavity is arranged in the grinder, an eccentric wheel capable of grinding solid chemicals into powder is arranged in the grinding cavity, a pushing mechanism capable of gathering the chemicals dispersed at the bottom of the grinding cavity is arranged in the grinding cavity, a transmission shaft is fixed at the center of the eccentric wheel, and a driving mechanism which drives the transmission shaft to rotate and provides power for the device to operate is arranged in the left end wall of the grinding cavity;

the screening mechanism for filtering out powder is further arranged in the lower end wall of the milling cavity and comprises a screening cavity with an upward opening, two closed cavities communicated with the milling cavity are arranged in the lower end wall of the milling cavity, the closed cavities penetrate through the screening cavity, a closed plate and a telescopic spring capable of enabling the closed plate to reset are arranged in the closed cavities, a sensor is embedded in the upper end wall of the closed cavity on the left side, one end of the closed plate is further fixed with a rope, lifting cavities with upward openings are arranged in the front end wall and the rear end wall of the screening cavity, the screening cavity and the two lifting cavities can be sealed by the two closed plates, lifting plates and lifting springs supporting the lifting plates are arranged in the lifting cavities, a supporting plate and a lifting rod which can move back and forth are arranged on the upper end face of each lifting plate, and a reset spring with one end in contact with the supporting plate is fixed on the end wall on one side, a supporting spring is fixed at the upper end of the lifting plate, a supporting block with the upper end connected with the lower end of the lifting rod is fixed at the upper end of the supporting spring, a limiting block is arranged on the upper end face of the supporting block, a chain with the lower end penetrating through the supporting block and the lifting plate is fixed at the lower end of the limiting block, a limiting groove with a leftward opening is arranged in the supporting plate, a limiting block is arranged in the limiting groove, a driven plate is fixed at the left end of the limiting block, a sliding hole penetrating through the front end face and the rear end face of the supporting plate is arranged at the upper end of the supporting plate, a filter screen is arranged in the screening cavity, the front end and the rear end of the filter screen are respectively located in the lifting cavities at the front side and the rear side, chemicals can be;

and a scraping mechanism capable of removing powder stuck on the eccentric wheel is also arranged in the upper end wall of the grinding cavity.

Further, pushing mechanism just communicates in being located respectively the chamber of grinding the front and back end wall the chamber the promotion chamber in chamber grinds, it is equipped with two promotion pieces and connects two to promote the catch bar of piece in the chamber to promote, the catch bar upside is equipped with the sliding block and connects and keeps away from the chamber grind promote the piece with the sliding spring of sliding block is close to the chamber grinds be equipped with the ascending first restriction groove of opening in the promotion piece in chamber, promote to be equipped with in the chamber upper end wall and rotate the chamber, it is connected with the axis of rotation to rotate between the chamber left and right sides end wall, the axis of rotation with rotate between the chamber end wall and be connected through torsion spring, be fixed with the rotating gear in the axis of rotation, the rotating gear lower extreme with sliding block upper end meshing just the rotating gear upper end meshing has one end to be located the rack bar that the chamber was meshed grinds, is located the rack bar one end that the chamber was meshed is fixed, a second limiting groove with an upward opening is arranged in the rack rod, a first ejection groove with a downward opening is arranged in the upper end wall of the rotating cavity, a trapezoidal block with a lower end positioned in the second limiting groove and a first ejection spring capable of resetting the trapezoidal block are arranged in the first ejection groove, a thin rope with an upper end connected with the pushing block far away from the grinding cavity is fixed at the upper end of the trapezoidal block, a second ejection groove with a downward opening is also arranged in the upper end wall of the pushing cavity, a limiting rod and a second ejection spring capable of resetting the limiting rod are arranged in the second ejection groove, a pull rope is fixed at the upper end of the limiting rod, the right end of the transmission shaft is rotatably connected with the right end wall of the grinding cavity, a cam is fixed at the right end of the transmission shaft, a third ejection groove with a downward opening is arranged in the upper end wall of the grinding cavity, and an ejection rod with a lower end contacted with the upper end of the cam is arranged in the third ejection, the upper end of the pull rope penetrates through the end wall of the third ejection groove and is connected with the upper end of the ejection rod.

Furthermore, the driving mechanism comprises a driving cavity, the left end of the transmission shaft is positioned in the driving cavity, the left end of the transmission shaft is fixed with a first friction wheel, the left end wall of the driving cavity is fixed with a motor, the right end of the motor is in power connection with a driving shaft, the driving shaft is fixed with a driving gear, the lower end of the driving gear is meshed with a transmission gear, the center of the transmission gear is fixed with a driven shaft, the left end and the right end of the driven shaft are in rotating connection with the left end wall and the right end wall of the driving cavity, the right end of the driven shaft is in key connection with a second friction wheel in contact with the lower end of the first friction wheel, the second friction wheel is internally provided with an annular cavity with a right opening, the annular cavity is internally provided with a sliding block, the right end wall of the driving cavity is internally provided with a friction cavity with a left opening, the friction, drive chamber right-hand member wall be fixed with two left ends with the compression spring of second friction pulley right-hand member face contact, it is connected with the rotation axis still to rotate between drive chamber left and right ends wall, be fixed with first belt pulley and third friction pulley on the rotation axis, the rotation axis downside be equipped with about both ends with the drive chamber about the end wall rotate the belt axle of connecting, the epaxial second belt pulley, rope winding wheel and the elliptical wheel of being fixed with of belt, the driven plate left end runs through lifting chamber left end wall just is located the drive intracavity, both ends around the elliptical wheel with the driven plate contact, two the one end and two of rope the one end of chain all twines on the rope winding wheel, first belt pulley with the second belt pulley passes through the belt and connects.

Further, screening mechanism still includes four rotating pins, four two liang of rotation of rotating pin are connected terminal surface around the filter screen, the left side is two the rotating pin runs through the sliding hole just the rotating pin runs through sliding hole after-fixing has a fixed block, two on the right side the one end of rotating pin with the lifting rod rotates to be connected, be equipped with the intercommunication in the screening chamber lower extreme wall the discharge pipe of screening chamber and external space, be equipped with electromagnetic switch in the discharge pipe.

Further, scrape out the mechanism including the external space of intercommunication with the pan feeding pipeline in grinding the chamber, be equipped with the intercommunication in the wall of feed pipe left end grind the chamber with the translation chamber of feed pipe, the translation intracavity is equipped with the right-hand member and is located cut off the board in the feed pipe, it is fixed with and dials the movable block to cut the board right-hand member, it is fixed with the lower extreme and is located to cut the board left end the connecting rod in the intracavity of milling, the connecting rod lower extreme is fixed with the scraper blade.

Further, the elastic force of the lift spring is much greater than that of the support spring.

Further, when the cam rotates, the cam can only contact with one connecting plate or the ejection rod at a time, and the elastic force of the compression spring is slightly larger than the sum of the friction force between the friction rod and the friction cavity and the friction force between the first friction wheel and the second friction wheel.

The invention has the beneficial effects that: the device simple structure, the simple operation, the device can continue to mill to the chemical that the completion of not milling completely at the during operation, guarantees the quality of milling, and at the in-process of milling, piles up all chemicals together, guarantees the efficiency of milling.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic diagram of the structure A-A of an embodiment of the present invention;

FIG. 3 is a schematic diagram of a B-B structure of an embodiment of the present invention;

FIG. 4 is an enlarged, front view, partially in section, of a drive mechanism in accordance with an embodiment of the present invention;

FIG. 5 is an enlarged left side view, partially in section, of a structure at a second restriction groove in accordance with an embodiment of the present invention;

FIG. 6 is an enlarged left-view partially broken away schematic view of a structure at a first limiting groove in an embodiment of the invention.

Detailed Description

The invention will now be described in detail with reference to fig. 1-6, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

Combine attached figure 1-6 an antiseized glutinous chemical milling device of antiskid mainly includes grinder 1, be equipped with grinding chamber 39 in grinder 1, be equipped with the eccentric wheel 29 that can grind solid chemical into powder in grinding chamber 39, it can be with the dispersion in grinding chamber 39 be equipped with push mechanism 82 of the chemical gathering of grinding chamber 39 bottom, eccentric wheel 29 center is fixed with transmission shaft 40, be equipped with the drive in grinding chamber 39 left end wall transmission shaft 40 rotates and provides the actuating mechanism 80 of power for the device operation, still be equipped with screening mechanism 81 of filtering off powder in grinding chamber 39 lower extreme wall, screening mechanism 81 includes the ascending screening chamber 21 of opening, be equipped with two intercommunications in grinding chamber 39 lower extreme wall grinding chamber 39's closed chamber 26, closed chamber 26 runs through screening chamber 21 just be equipped with closing plate 23 and can make in the closed chamber 26 the expanding spring 25 that closing plate 23 resets A sensor 18 is embedded in the upper end wall of the left closed cavity 26, a rope 24 is further fixed at one end of the closed plate 23, lifting cavities 53 with upward openings are respectively arranged in the front and rear end walls of the screening cavity 21, the two closed plates 23 can close the screening cavity 21 and the two lifting cavities 53, a lifting plate 86 and a lifting spring 85 supporting the lifting plate 86 are arranged in the lifting cavity 53, a supporting plate 52 and a lifting rod 61 which can move back and forth are arranged on the upper end surface of the lifting plate 86, a return spring 54 with one end contacting with the supporting plate 52 is fixed on the end wall of one side of the lifting cavity 53, a supporting spring 58 is fixed at the upper end of the lifting plate 86, a supporting block 59 with the upper end connected with the lower end of the lifting rod 61 is fixed at the upper end of the supporting spring 58, a limiting block 60 is arranged on the upper end surface of the supporting block 59, and a lock chain 57 with the lower end penetrating through the supporting block 59 and the lifting, the grinding machine is characterized in that a limiting groove 56 with a leftward opening is formed in the supporting plate 52, a limiting block 55 is arranged in the limiting groove 56, a driven plate 17 is fixed to the left end of the limiting block 55, a sliding hole 63 penetrating through the front end face and the rear end face of the supporting plate 52 is formed in the upper end of the supporting plate 52, a filter screen 22 is arranged in the screening cavity 21, the front end and the rear end of the filter screen 22 are respectively located in the front lifting cavity 53 and the rear lifting cavity 53, chemicals can be gathered together through the pushing mechanism 82 to be more convenient to grind and grind, the chemicals which are not ground into powder can be screened out through the screening mechanism 81 constantly, the grinding is guaranteed to be thorough, and a scraping mechanism 83 capable of removing the sticky powder on the.

Beneficially, the pushing mechanism 82 includes a pushing cavity 87 which is respectively located in the front and rear end walls of the milling cavity 39 and communicates with the milling cavity 39, two pushing blocks 27 and two connecting pushing rods 50 of the pushing blocks 27 are arranged in the pushing cavity 87, the pushing rods 50 are provided with sliding blocks 51 on the upper side and connected to be away from the milling cavity 39, the pushing blocks 27 are connected with sliding springs 47 of the sliding blocks 51, the pushing blocks 27 are close to the milling cavity 39, first limiting grooves 78 with upward openings are arranged in the pushing blocks 27, a rotating cavity 44 is arranged in the upper end wall of the pushing cavity 87, a rotating shaft 45 is rotatably connected between the left and right end walls of the rotating cavity 44, the rotating shaft 45 is connected with the end wall of the rotating cavity 44 through a torsion spring 43, a rotating gear 46 is fixed on the rotating shaft 45, the lower end of the rotating gear 46 is engaged with the upper end of the sliding blocks 51, and a rack rod 42 with one end positioned in engagement with the milling cavity 39 is engaged with, a connecting plate 49 is fixed at one end of a rack rod 42 engaged with the milling cavity 39, a second limiting groove 74 with an upward opening is arranged in the rack rod 42, a first ejecting groove 75 with a downward opening is arranged in the upper end wall of the rotating cavity 44, a trapezoidal block 73 with a lower end positioned in the second limiting groove 74 and a first ejecting spring 72 capable of resetting the trapezoidal block 73 are arranged in the first ejecting groove 75, a thin rope 48 with an upper end connected with the pushing block 27 far away from the milling cavity 39 is fixed at the upper end of the trapezoidal block 73, a second ejecting groove 76 with a downward opening is also arranged in the upper end wall of the pushing cavity 87, a limiting rod 77 and a second ejecting spring 79 capable of resetting the limiting rod 77 are arranged in the second ejecting groove 76, a pull rope 31 is fixed at the upper end of the limiting rod 77, the right end of the transmission shaft 40 is rotatably connected with the right end wall of the milling cavity 39, and a cam 28 is fixed at the right end of the transmission shaft 40, be equipped with the third liftout groove 32 that the opening is decurrent in the grinding chamber 39 upper end wall, be equipped with the lower extreme in the third liftout groove 32 with the knock-out pole 30 of cam 28 upper end contact, stay cord 31 upper end run through the end wall in third liftout groove 32 and with the knock-out pole 30 upper end is connected.

Beneficially, the driving mechanism 80 includes a driving chamber 2, the left end of the transmission shaft 40 is located in the driving chamber 2, the left end of the transmission shaft 40 is fixed with a first friction wheel 41, the left end wall of the driving chamber 2 is fixed with a motor 5, the right end of the motor 5 is connected with a driving shaft 4 in a power mode, the driving shaft 4 is fixed with a driving gear 3, the lower end of the driving gear 3 is engaged with a transmission gear 6, the center of the transmission gear 5 is fixed with a driven shaft 7 with the left and right ends rotatably connected with the left and right end walls of the driving chamber 2, the right end of the driven shaft 7 is connected with a second friction wheel 69 in a keyed connection with the lower end of the first friction wheel 41, an annular chamber 70 with a right opening is arranged in the second friction wheel 69, a sliding block 68 is arranged in the annular chamber 70, an opening left friction chamber 66 is arranged in the right end wall of the driving chamber 2, a friction, the right end wall of the friction cavity 66 is fixed with an electromagnet 65 which can be connected with the friction rod 67, the right end wall of the driving cavity 2 is fixed with a compression spring 71 with two left ends contacting with the right end face of the second friction wheel 69, the left end wall and the right end wall of the driving cavity 2 are connected with a rotating shaft 8 in a rotating way, the rotating shaft 8 is fixed with a first belt pulley 9 and a third friction wheel 10, the lower side of the rotating shaft 8 is provided with a belt shaft 12 with the left end and the right end walls of the driving cavity 2 rotatably connected with the left end wall and the right end wall, the belt shaft 12 is fixed with a second belt pulley 13, a rope winding wheel 14 and an elliptical wheel 16, the left end of the driven plate 17 penetrates through the left end wall of the lifting cavity 53 and is located in the driving cavity 2, the front end and the rear end of the elliptical wheel 16 are contacted with the driven plate 17, one end of two ropes 24 and one, the first belt pulley 9 is connected with the second belt pulley 13 through a belt 11.

Beneficially, the screening mechanism 81 further includes four rotating pins 62, the four rotating pins 62 are connected to the front and rear end surfaces of the filter screen 22 in a pairwise rotating manner, two rotating pins 62 on the left side penetrate through the sliding hole 63, a fixed block 64 is fixed after the rotating pins 62 penetrate through the sliding hole 63, one end of two rotating pins 62 on the right side is rotatably connected with the lifting rod 61, a discharge pipeline 19 communicating the screening cavity 21 with the external space is arranged in the lower end wall of the screening cavity 21, and an electromagnetic switch 20 is arranged in the discharge pipeline 19.

Beneficially, scrape out mechanism 83 including the external space of intercommunication with the pan feeding pipeline 35 in grinding chamber 39, be equipped with the intercommunication in the wall of the left end of feed pipe 35 grind chamber 39 with the translation chamber 38 of feed pipe 35, be equipped with the right-hand member in the translation chamber 38 and be located cut-off plate 33 in the feed pipe 35, cut-off plate 33 right-hand member is fixed with dials movable block 34, cut-off plate 33 left end is fixed with the lower extreme and is located connecting rod 37 in grinding chamber 39, connecting rod 37 lower extreme is fixed with scraper blade 36.

Advantageously, the spring force of the lifting spring 85 is much greater than the spring force of the support spring 58.

Advantageously, the cam 28 can only be in contact with one of the connecting plates 49 or the ejector rod 30 at a time when it rotates, the elastic force of the compression spring 71 being slightly greater than the sum of the friction between the friction bar 67 and the friction chamber 66 and the friction between the first friction wheel 41 and the second friction wheel 69.

Sequence of mechanical actions of the whole device:

1: the stirring block 34 is stirred, the feeding pipeline 35 is opened, chemicals are added into the grinding cavity 39, and then the stirring block 34 is moved to reset, so that the scraper 36 is reset;

2: the motor 5 is operated to rotate the driving shaft 4, so as to rotate the driving gear 3, so as to rotate the transmission gear 6, so as to rotate the driven shaft 7, so as to rotate the second friction wheel 69, so as to rotate the first friction wheel 41, so as to rotate the transmission shaft 40, so as to rotate the eccentric wheel 29, so as to start grinding chemicals, the rotation of the transmission shaft 40 drives the cam 28 to rotate, the rotation of the cam 28 firstly drives the two connecting plates 49 to move in a direction away from the transmission shaft 40, so as to drive the rack bar 42 to move, so as to drive the rotating gear 46 to rotate, because the lower end of the limiting rod 77 is positioned in the first limiting groove 78, so as to drive the sliding block 51 to move, so as to stretch the sliding spring 47, when the rack bar 42 is not moved any more, the lower end of the;

3: when the cam 28 drives the ejector rod 30 to move upwards, the pull rope 31 is pulled, so that the lower end of the limiting rod 77 is driven to leave the first limiting groove 78, the sliding spring 47 is reset, the push block 27 and the push rod 50 are driven to leave the push cavity 87, chemical medicine scattered in the grinding cavity 39 is accumulated in the middle of the grinding cavity 39 during the movement of the push block 27, the thin rope 48 is gradually tensioned along with the movement of the push block 27, the trapezoidal block 73 is driven to leave the second limiting groove 74, the rotating shaft 45 is reset under the action of the torsion spring 43, the rotating gear 46 rotates to drive the sliding block 51 and the rack rod 42 to reset, the push block 27 and the push rod 50 are reset, and when the ejector rod 30 descends again, the lower end of the limiting rod 77 enters the first limiting groove 78 again;

4: the compression spring 71 drives the second friction wheel 69 to move leftwards slowly, when the compression spring 71 is reset, the second friction wheel 69 is in contact with the third friction wheel 10, so that the second friction wheel 69 drives the third friction wheel 10 to rotate, so that the transmission shaft 40 stops rotating, the distance between the lower end of the eccentric wheel 29 and the lower end wall of the grinding cavity 39 is the largest, the rotation of the third friction wheel 10 drives the rotating shaft 8 to rotate, so that the first belt pulley 9 is driven to rotate, so that the second belt pulley 13 is driven to rotate, so that the belt shaft 12 rotates, so that the rope winding wheel 14 and the elliptical wheel 16 are driven to rotate, and the rotation of the elliptical wheel 16 drives the driven plate 17 to move forwards and backwards under the action of the reset spring 54, so that the support plate 52 moves forwards and backwards, so that the filter screen 22 moves forwards and backwards;

5: the rope 24 is tightly wound by the rotation of the rope winding wheel 14, the chain 57 is loosened, so that the closing plate 23 is separated from the upper side of the screening cavity 21, powder and un-crushed chemicals fall onto the filter screen 22, the powder passes through the filter screen 22 along with the forward and backward movement of the filter screen 22, particles are left on the upper side of the filter screen 22, the lifting spring 85 is reset firstly along with the loosening of the chain 57, so that the lifting plate 86 is lifted, the filter screen 22 is lifted until the grinding cavity 39 is positioned in the upper side of the closing plate 23, and after the lifting spring 85 is reset, the supporting spring 58 is reset, so that the supporting block 59 is reset, the lifting rod 61 is lifted, the filter screen 22 is rotated, and the particles on the filter screen 22 fall onto the upper side of the closing plate 23 again;

6: the motor 5 rotates reversely, the rope winding wheel 14 rotates reversely through transmission, so that the rope 24 is loosened, the chain 57 is wound tightly, the supporting spring 58 is compressed firstly, the lifting spring 85 is compressed, so that the filter screen 22 returns to the screening cavity 21, then the closing plate 23 is reset under the action of the expansion spring 25, the left end of the left closing plate 23 is contacted with the sensor 18 again, so that the electromagnet 65 is controlled to work and attract the friction rod 67, so that the second friction wheel 69 is controlled to reset to be contacted with the first friction wheel 41, at the moment, the motor 5 rotates forwards, and the eccentric wheel 29 rotates again to grind chemicals.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an antiseized glutinous chemical grinding device of antiskid, mainly includes the grinder, its characterized in that: a grinding cavity is arranged in the grinder, an eccentric wheel capable of grinding solid chemicals into powder is arranged in the grinding cavity, a pushing mechanism capable of gathering chemicals dispersed at the bottom of the grinding cavity is arranged in the grinding cavity, a transmission shaft is fixed at the center of the eccentric wheel, and a driving mechanism which drives the transmission shaft to rotate and provides power for the device to operate is arranged in the left end wall of the grinding cavity;

2. The anti-slip anti-sticking chemical milling device of claim 1, wherein: the pushing mechanism comprises pushing cavities which are respectively positioned in the front end wall and the rear end wall of the grinding cavity and communicated with the grinding cavity, two pushing blocks and two connecting pushing rods of the pushing blocks are arranged in the pushing cavities, the upper sides of the pushing rods are provided with sliding blocks and are connected with the sliding springs which are far away from the grinding cavity, the pushing blocks and the sliding springs of the sliding blocks are close to the grinding cavity, first limiting grooves with upward openings are arranged in the pushing blocks of the grinding cavity, a rotating cavity is arranged in the upper end wall of the pushing cavity, a rotating shaft is rotatably connected between the left end wall and the right end wall of the rotating cavity, the rotating shaft is connected with the end wall of the rotating cavity through torsion springs, rotating gears are fixed on the rotating shaft, the lower ends of the rotating gears are meshed with the upper ends of the sliding blocks, one ends of the rotating gears are meshed with rack rods meshed with the grinding cavity, and one ends of the rack, a second limiting groove with an upward opening is arranged in the rack rod, a first ejection groove with a downward opening is arranged in the upper end wall of the rotating cavity, a trapezoidal block with a lower end positioned in the second limiting groove and a first ejection spring capable of resetting the trapezoidal block are arranged in the first ejection groove, a thin rope with an upper end connected with the pushing block far away from the grinding cavity is fixed at the upper end of the trapezoidal block, a second ejection groove with a downward opening is also arranged in the upper end wall of the pushing cavity, a limiting rod and a second ejection spring capable of resetting the limiting rod are arranged in the second ejection groove, a pull rope is fixed at the upper end of the limiting rod, the right end of the transmission shaft is rotatably connected with the right end wall of the grinding cavity, a cam is fixed at the right end of the transmission shaft, a third ejection groove with a downward opening is arranged in the upper end wall of the grinding cavity, and an ejection rod with a lower end contacted with the upper end of the cam is arranged in the third ejection, the upper end of the pull rope penetrates through the end wall of the third ejection groove and is connected with the upper end of the ejection rod.

3. The anti-slip anti-sticking chemical milling device of claim 2, wherein: the driving mechanism comprises a driving cavity, the left end of the driving shaft is positioned in the driving cavity, the left end of the driving shaft is fixedly provided with a first friction wheel, the left end wall of the driving cavity is fixedly provided with a motor, the right end of the motor is in power connection with a driving shaft, the driving shaft is fixedly provided with a driving gear, the lower end of the driving gear is meshed with a transmission gear, the center of the transmission gear is fixedly provided with a driven shaft, the left end and the right end of the driven shaft are rotatably connected with the left end wall and the right end wall of the driving cavity, the right end of the driven shaft is in key connection with a second friction wheel in contact with the lower end of the first friction wheel, the second friction wheel is internally provided with an annular cavity with a right opening, the annular cavity is internally provided with a sliding block, the right end wall of the driving cavity is internally provided with a friction cavity with a, drive chamber right-hand member wall be fixed with two left ends with the compression spring of second friction pulley right-hand member face contact, it is connected with the rotation axis still to rotate between drive chamber left and right ends wall, be fixed with first belt pulley and third friction pulley on the rotation axis, the rotation axis downside be equipped with about both ends with the drive chamber about the end wall rotate the belt axle of connecting, the epaxial second belt pulley, rope winding wheel and the elliptical wheel of being fixed with of belt, the driven plate left end runs through lifting chamber left end wall just is located the drive intracavity, both ends around the elliptical wheel with the driven plate contact, two the one end and two of rope the one end of chain all twines on the rope winding wheel, first belt pulley with the second belt pulley passes through the belt and connects.

4. The anti-slip anti-sticking chemical milling device of claim 1, wherein: screening mechanism still includes four rotating pins, four two liang of rotation of rotating pin are connected terminal surface around the filter screen, two in the left side the rotating pin runs through the sliding hole just the rotating pin runs through sliding hole after-fixing has the fixed block, two on the right side the one end of rotating pin with the lifting rod rotates to be connected, be equipped with the intercommunication in the screening chamber lower extreme wall the discharge pipe of screening chamber and external space, be equipped with electromagnetic switch in the discharge pipe.

5. An anti-slip anti-sticking chemical milling device as claimed in claim 1 or 4, wherein: scrape out the mechanism including intercommunication external space with the pan feeding pipeline in grinding the chamber, be equipped with the intercommunication in the wall of feed feeding pipeline left end grind the chamber with the translation chamber of feed feeding pipeline, the translation intracavity is equipped with the right-hand member and is located cut off the board in the feed feeding pipeline, cut off the board right-hand member and be fixed with and dial the piece, it is fixed with the lower extreme and is located to cut the board left end the connecting rod in the intracavity of milling, the connecting rod lower extreme is fixed with the scraper blade.

6. The anti-slip anti-sticking chemical milling device of claim 1, wherein: the elastic force of the lifting spring is much greater than that of the supporting spring.

7. The anti-slip anti-sticking chemical milling device of claim 3, wherein: when the cam rotates, the cam can only contact with one connecting plate or the ejection rod at a time, and the elastic force of the compression spring is slightly larger than the sum of the friction force between the friction rod and the friction cavity and the friction force between the first friction wheel and the second friction wheel.