CN115555112B

CN115555112B - Powder reducing mechanism with hierarchical function

Info

Publication number: CN115555112B
Application number: CN202211125412.9A
Authority: CN
Inventors: 蓝辉; 黄灿荣; 蓝选斌
Original assignee: Longyan Shanhe Machinery Manufacturing Co ltd
Current assignee: Longyan Shanhe Machinery Manufacturing Co ltd
Priority date: 2022-09-16
Filing date: 2022-09-16
Publication date: 2023-09-01
Anticipated expiration: 2042-09-16
Also published as: CN115555112A

Abstract

The present disclosure relates to powder pulverizing apparatuses, and particularly to a powder pulverizing apparatus with classification function. The invention aims to provide a powder crushing device with classifying function, which can crush by collision for multiple times, has good crushing effect and more diversified crushing functions. The invention provides a powder crushing device with a grading function, which comprises a mounting bracket, a driving motor, a hammer mill assembly, a rotary shaft, a filter screen and a grinding mechanism, wherein the driving motor is arranged on the right side of the top of the mounting bracket, the rotary shaft is connected to an output shaft of the driving motor, the hammer mill assembly for hammer milling powder is arranged on the mounting bracket, the rotary shaft, the filter screen and the grinding mechanism are arranged on the hammer mill assembly, and the grinding mechanism for grinding powder is arranged on the hammer mill assembly. When the gas crushing device is used for crushing the gas, the powder can collide with a plurality of cutting steel wires, so that the powder is subjected to strong collision for a plurality of times, and the crushing effect is better.

Description

Powder reducing mechanism with hierarchical function

Technical Field

The present disclosure relates to powder pulverizing apparatuses, and particularly to a powder pulverizing apparatus with classification function.

Background

When processing such powders as kaolin and heavy calcium, it is often necessary to crush the powders, which means to crush the powders into finer particles by an external force.

By searching, the patent with the publication number of CN108472659B discloses a powder crushing device which comprises: an airtight pulverizing container; a powder introduction mechanism having an introduction port opened inward toward the pulverizing container and introducing powder to be pulverized into the introduction port; the powder crushing mechanism is arranged below the inlet in the crushing container and is used for enabling high-pressure air to collide with the powder so as to crush the powder; and a classification device provided above the introduction port in the pulverizing container for screening the pulverized powder and guiding the screened powder out of the pulverizing container, wherein an inner wall of the pulverizing container is covered with a porous lining material, and each hole of the lining material communicates with the gas supply device via a gap between the inner wall and the lining material.

The above patent suffers from the following disadvantages:

1. the powder particles are mutually collided only by the high-pressure air flow injected by the crushing nozzle, the powder can be collided only once more strongly when the high-pressure air flow is sprayed out, and the powder particles can only be crushed by the collision of the powder particles with the crushing container when the high-pressure air flow sprayed out by the crushing nozzle of the powder crushing mechanism accelerates the powder, so that the crushing effect is limited.

2. The crushing function of powder collision is single only through high-pressure air flow, smaller powder particles can be crushed, classified crushing cannot be realized, and the larger powder particles need to be crushed in advance through other crushing equipment.

Disclosure of Invention

In order to overcome the defects of limited crushing effect and single crushing function of the patent, the invention aims to provide the powder crushing device with the grading function, which can crush by collision for multiple times, has good crushing effect and more diversified crushing functions.

The technical implementation scheme of the invention is as follows: the utility model provides a powder reducing mechanism with hierarchical function, including installing support, driving motor, pivot and hammer mill subassembly, driving motor is installed to installing support top one side, is connected with the pivot on driving motor's the output shaft, is equipped with the hammer mill subassembly that is used for carrying out the hammer mill to the powder on the installing support, still including filter screen, grinding mechanism and air current cutting mechanism, be equipped with the filter screen on the hammer mill subassembly, be equipped with the grinding mechanism that is used for carrying out the grinding to the powder on the hammer mill subassembly, be equipped with the air current cutting mechanism that is used for carrying out the cutting to the powder on the installing support.

Further, the hammer mill subassembly is including smashing shell, feeding storehouse, tup and apron, the installing support top is connected with smashing the shell, smashing shell top intercommunication has the feeding storehouse, be connected with the tup in the pivot, the tup is located smashing the shell, the pivot is rotatory to drive the tup rotatory, with carry out the hammer mill to the powder, it is connected with the apron to smash shell one side rotation, the pivot rotation runs through and grinds shell and apron, smash the shell bottom and be uncovered setting, for the powder discharge that the hammer mill finishes, the filter screen is connected in the uncovered department of smashing the shell, be used for filtering the powder after the hammer mill finishes.

Further, grinding mechanism is including the guide casing, grind the casing, servo motor and toper grinding piece, it has the guide casing to smash the open department intercommunication in shell bottom, guide casing bottom intercommunication has the grinding casing, the grinding casing is the slope setting from top to bottom, and the position of downward sloping is the discharge end of grinding the casing, install servo motor in the grinding casing in the position of leaning on, be connected with toper grinding piece on servo motor's the output shaft, toper grinding piece is located the grinding casing and leans on the lower position, toper grinding piece is rotatory in order to grind the powder after the hammer mill.

Further, the air flow cutting mechanism comprises a mounting sleeve, a mounting cylinder, bevel gears, a spiral feeding disc, cutting steel wires, an air inlet pipeline and a discharging pipeline, wherein the mounting sleeve is connected to the position, close to the discharging end of the grinding shell, of the mounting support, the mounting cylinder is sleeved in the mounting sleeve, the grinding shell penetrates through the mounting sleeve and is communicated with the inner lower portion of the mounting cylinder, the spiral feeding disc is rotatably connected in the mounting cylinder, the top end of the spiral feeding disc penetrates through the mounting cylinder, bevel gears are connected to the top end of the spiral feeding disc and a rotating shaft, the two bevel gears are meshed with each other, so that the rotating shaft rotates to drive the spiral feeding disc to rotate, the spiral feeding disc rotates to convey the ground powder, the air inlet pipeline is communicated to convey high-pressure air flow into the mounting cylinder, cutting steel wires are uniformly and densely distributed on the spiral feeding disc at intervals to cut the powder in the conveying process, and the discharging pipeline is connected to the upper portion of the mounting cylinder and used for discharging the processed powder.

Further, the crushing shell and the guide shell, the guide shell and the installation cylinder and the guide shell and the installation sleeve are all detachably arranged, so that the powder is crushed in a grading way.

Further, the device comprises a regrinding feeding mechanism, the regrinding feeding mechanism comprises a first annular plate, a belt speed reducing group, a second annular plate, a feeding frame, friction wheels and a connecting plate, wherein one side, far away from a cover plate, of a crushing shell is rotationally connected with the first annular plate, one side, close to the first annular plate, of the crushing shell is connected with the connecting plate, the friction wheels are rotationally connected with the connecting plate, penetrate into the crushing shell, are in contact with the first annular plate, so that the friction wheels drive the first annular plate to rotate, the belt speed reducing group is arranged between the friction wheels and a rotating shaft, so as to drive the friction wheels to rotate, one side, facing inwards, of the cover plate is rotationally connected with the second annular plate, the feeding frame is connected between the second annular plate and the first annular plate, and the feeding frame rotates to shovel in the un-crushed powder and is sent to the upper part of a hammer head so that the hammer head regrinding the un-crushed powder thoroughly.

Further, a feeding hole and a discharging hole are respectively formed in the feeding frame, the feeding hole is used for the feeding frame to scoop up powder in the rotating process, and the discharging hole is used for discharging the powder when the feeding frame rotates to the upper part of the hammer head.

Further, the novel roller press comprises a roller press feeding mechanism, the roller press feeding mechanism comprises a press roller, first gears, an inner gear ring, second gears, third gears and an outer gear ring, the position, close to a discharge hole, of a feeding frame is rotatably connected with two press rollers, the two press rollers block the discharge hole, powder discharged along the discharge hole can pass through the press rollers, the first gears are connected to the press rollers, the two first gears are meshed with each other, one outwards side of a cover plate is connected with the inner gear ring, the second gears are connected to a rotating shaft, the third gears are rotatably connected to a crushing shell, the second gears are in transmission connection with the inner gear ring through the third gears, one inwards side of the cover plate is connected with the outer gear ring, the outer gear ring is meshed with one of the first gears, so that the rotating shaft drives the two press rollers to rotate when the press rollers rotate, and the powder passing through the press rollers can be rolled when the press rollers rotate.

Further, the feeding device comprises a control blanking mechanism, wherein the control blanking mechanism comprises a control blanking plate, a swinging block, an elastic piece and a blocking piece, the position, close to a crushing shell, of a feeding bin is connected with the control blanking plate in a sliding mode, blanking openings are formed in one side of the control blanking plate in a spaced mode, one side of the control blanking plate is connected with the swinging block in a rotating mode, the swinging block can be pushed to drive the control blanking plate to move when the feeding frame rotates, the blanking openings can be aligned to the feeding bin after the control blanking plate moves, so that the feeding bin performs blanking, the swinging block is in sliding fit with the crushing shell, the elastic piece is connected between the swinging block and the feeding bin, the swinging block and the control blanking plate are reset through elasticity, and the blocking piece is connected to the crushing shell and used for blocking the control blanking plate.

The invention has the following advantages: 1. when the gas crushing device is used for crushing the gas, the powder can collide with a plurality of cutting steel wires, so that the powder is subjected to strong collision for a plurality of times, and the crushing effect is better.

2. When the powder is crushed, the hammer mill assembly, the grinding mechanism and the air flow cutting mechanism can be used for crushing respectively, the crushing function is more diversified, the powder with larger particles can be crushed in advance through the hammer mill assembly and the grinding mechanism, the powder is not required to be crushed in advance through other crushing equipment, and the operation is more convenient.

3. In the using process, the invention can selectively use the combined application of the single hammer mill component, the hammer mill component and the grinding mechanism and the combined application of the hammer mill component, the grinding mechanism and the air flow cutting mechanism according to the thickness of the required powder, so as to realize the grading treatment effect on the powder crushing.

4. According to the invention, the powder which is not thoroughly crushed can be sent to the upper part of the hammer head again through the repeated rotation of the feeding frame, so that the powder which is not thoroughly crushed is subjected to regrinding.

5. According to the invention, when the powder is discharged from the feeding frame, the powder is milled through the rotation of the compression roller, so that the crushing effect is improved.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic view of a partial perspective structure of the present invention.

Fig. 3 is a schematic perspective view of the hammer mill assembly and the grinding mechanism of the present invention.

Fig. 4 is a schematic perspective view of the grinding mechanism and the air flow cutting mechanism of the present invention.

Fig. 5 is a cross-sectional view of the grinding mechanism and air flow cutting mechanism of the present invention.

FIG. 6 is a schematic diagram of the connection relationship between the regrind feeding mechanism and other parts.

Fig. 7 is a schematic view of a part of a three-dimensional structure of a regrind feeding mechanism of the present invention.

Fig. 8 is a schematic perspective view of a regrind feeding mechanism and a control discharging mechanism of the present invention.

Fig. 9 is a schematic perspective view of a regrind feeding mechanism of the present invention.

Fig. 10 is a schematic perspective view of a feeding frame according to the present invention.

Fig. 11 is a schematic view of a part of a three-dimensional structure of a blanking mechanism controlled by the present invention.

Fig. 12 is a schematic diagram showing the connection relationship among the press roller, the first gear and the feeding frame.

Fig. 13 is a schematic view of a part of a roll-in feeding mechanism according to the present invention.

Fig. 14 is a schematic diagram showing the connection relationship between the rolling feeding mechanism and the regrind feeding mechanism and the cover plate.

Fig. 15 is a schematic diagram showing a connection relationship between a roll-pressing feeding mechanism and a cover plate according to the present invention.

Meaning of reference numerals in the drawings: 1: mounting bracket, 2: drive motor, 21: rotating shaft, 3: crushing shell, 31: filter screen, 4: feeding bin, 5: cover plate, 6: hammer head, 9: grinding mechanism, 91: guide casing, 92: grinding housing, 93: servo motor, 94: conical grinding block, 10: airflow cutting mechanism, 101: mounting sleeve, 102: mounting a cylinder, 103: bevel gear, 104: spiral feed tray, 105: cutting steel wire, 106: intake pipe, 107: discharge pipeline, 7: regrind feeding mechanism, 71: first annular plate, 72: belt deceleration group, 73: second annular plate, 74: feeding frame 741: feed inlet, 742: discharge port, 75: friction wheel, 751: connecting plate, 8: roll-in feeding mechanism, 81: compression roller, 82: first gear, 83: ring gear, 84: second gear, 85: third gear, 86: outer ring gear, 11: control the unloading mechanism, 111: control blanking plate, 112: swing block, 113: elastic member, 114: a material blocking block.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Example 1

The utility model provides a powder reducing mechanism with hierarchical function, as shown in fig. 1-5, including installing support 1, driving motor 2, pivot 21, hammer mill subassembly, filter screen 31, grinding mechanism 9 and air current cutting mechanism 10, driving motor 2 is installed on the right side at installing support 1 top, be connected with pivot 21 on driving motor 2's the output shaft, be equipped with the hammer mill subassembly that is used for carrying out hammer mill to the powder on the installing support 1, be equipped with filter screen 31 on the hammer mill subassembly, be equipped with on the hammer mill subassembly and be used for carrying out grinding mechanism 9 to the powder, be equipped with on the installing support 1 and be used for carrying out the air current cutting mechanism 10 of cutting to the powder.

As shown in fig. 1-3, the hammer mill assembly comprises a crushing shell 3, a feeding bin 4, a hammer head 6 and a cover plate 5, wherein the middle of the top of a mounting bracket 1 is connected with the crushing shell 3, the rear side of the top of the crushing shell 3 is communicated with the feeding bin 4, the rotary shaft 21 is connected with the hammer head 6, the hammer head 6 is positioned in the crushing shell 3, the rotary shaft 21 rotates to drive the hammer head 6 to rotate so as to perform hammer mill on powder, the cover plate 5 is rotationally connected to the left side of the crushing shell 3, the rotary shaft 21 rotationally penetrates through the crushing shell 3 and the cover plate 5, the bottom of the crushing shell 3 is provided with an opening for discharging the powder after hammer milling, and a filter screen 31 is connected to the opening of the crushing shell 3 and used for filtering the powder after hammer milling.

As shown in fig. 4 and 5, the grinding mechanism 9 includes a guiding shell 91, a grinding shell 92, a servo motor 93 and a conical grinding block 94, the opening at the bottom of the grinding shell 3 is communicated with the guiding shell 91, the bottom of the guiding shell 91 is communicated with the grinding shell 92, the grinding shell 92 is obliquely arranged at the upper right, the lower left and the lower, and the downward inclined position is the discharge end of the grinding shell 92, the servo motor 93 is mounted at the right side in the grinding shell 92, the output shaft of the servo motor 93 is connected with the conical grinding block 94, the conical grinding block 94 is positioned at the left side in the grinding shell 92, and the conical grinding block 94 rotates to grind the powder after hammer grinding.

As shown in fig. 4 and 5, the air flow cutting mechanism 10 comprises a mounting sleeve 101, a mounting cylinder 102, a bevel gear 103, a spiral feeding disc 104, a cutting steel wire 105, an air inlet pipeline 106 and a discharging pipeline 107, wherein the left side of the mounting bracket 1 is connected with the mounting sleeve 101, the mounting sleeve 101 is sleeved with the mounting cylinder 102, a grinding shell 92 penetrates through the mounting sleeve 101 and is communicated with the inner lower part of the mounting cylinder 102, the spiral feeding disc 104 is rotatably connected with the mounting cylinder 102, the top end of the spiral feeding disc 104 penetrates through the mounting cylinder 102, the bevel gears 103 are connected with the top end of the spiral feeding disc 104 and the rotating shaft 21, the two bevel gears 103 are meshed with each other, so that the rotating shaft 21 rotates to drive the spiral feeding disc 104 to rotate, the spiral feeding disc 104 rotates to convey ground powder, the air inlet pipeline 106 is communicated with the mounting cylinder 102, the high-pressure air flow is conveyed into the mounting cylinder 102, the cutting steel wires 105 are uniformly and densely distributed on the spiral feeding disc 104 at intervals to cut the powder in the conveying process, the upper part of the front side of the mounting cylinder 102 is connected with the discharging pipeline 107, the powder for being processed is discharged, and the powder between the grinding shell 3 and the guide shell 91 and the guide shell 101 can be conveniently dismounted from the mounting sleeve to the grinding shell and the guide shell 101.

When needs use this device, can pour into powder in the feeding storehouse 4, powder in the feeding storehouse 4 can get into crushing shell 3 in, before this time can start driving motor 2 drive pivot 21 rotatory, in order to drive tup 6 rotatory to carry out hammer mill crushing to the powder, the powder that the crushing finishes can get into guide shell 91 through filter screen 31 in, filter screen 31 can filter the powder, in order to avoid not thoroughly crushing powder to get into guide shell 91, the powder in the guide shell 91 then can get into grinding shell 92, can start servo motor 93 drive toper grinding piece 94 rotation this moment, in order to grind the powder, realize the secondary crushing to the powder, in the powder entering installation drum 102 after grinding this time, can be with outside high-pressure air current through intake pipe 106 injection installation drum 102, before this time pivot 21 rotates and can drive spiral feed plate 104 rotation through bevel gear 103, high-speed along spiral feed plate 104 then moves, spiral feed plate 104 rotation can drive cutting steel wire 105 rotation and carry out the cutting steel wire 105 and can carry out the cutting steel wire with the powder and can be carried out the grinding wire device to the powder and bump more than necessary, can be repeatedly with the grinding wire device in the powder setting up the multiple times, and can be used for crushing wire device is smashed the powder in the grinding wire device is more than the corresponding powder to the grinding device, the grinding wire 107 can be carried out the crushing effect is more time, the grinding device is more can be carried out to the crushing simultaneously, the powder is more than can be more than necessary, the powder is convenient to the grinding device is more can be more convenient to the grinding device is more convenient, the powder is convenient to the grinding, the powder is convenient to be reduced.

In the actual use process, the single hammer mill component, the combined application of the hammer mill component and the grinding mechanism 9 and the combined application of the hammer mill component, the grinding mechanism 9 and the air flow cutting mechanism 10 can be selectively applied according to the thickness of required powder, so that the effect of classifying the powder crushing is realized, and meanwhile, the powder collecting equipment is selectively communicated with the opening of the crushing shell 3, the discharge end of the grinding shell 92 and the discharge pipeline 107 according to the actual use condition.

Example 2

On the basis of embodiment 1, as shown in fig. 1, fig. 6, fig. 7, fig. 8, fig. 9, fig. 10 and fig. 14, the device further comprises a regrinding feeding mechanism 7, the regrinding feeding mechanism 7 comprises a first annular plate 71, a belt speed reducing group 72, a second annular plate 73, a feeding frame 74, a friction wheel 75 and a connecting plate 751, the first annular plate 71 is rotatably connected to the right side in the crushing shell 3, the connecting plate 751 is rotatably connected to the right side outside the crushing shell 3, the friction wheel 75 penetrates into the crushing shell 3, the friction wheel 75 is in contact with the first annular plate 71, so that the friction wheel 75 drives the first annular plate 71 to rotate, a belt speed reducing group 72 is arranged between the friction wheel 75 and the rotating shaft 21, so as to drive the friction wheel 75 to rotate, the right side of the cover plate 5 is rotatably connected with the second annular plate 73, the feeding frame 74 is connected between the second annular plate 73 and the first annular plate 71, the feeding frame 74 is rotatably shoveled into the powder which is not thoroughly crushed and is fed above the hammer head 6, so that the hammer head 6 is thoroughly fed with the powder, the powder which is thoroughly crushed, the powder is thoroughly mixed with the powder, the feeding frame 742 is rotatably arranged on the side of the feeding frame 74, and the feeding frame 74 is rotatably arranged on the top of the feeding frame 741, and the feeding frame 74 is rotatably arranged on the side of the feeding frame 74, and the feeding frame is positioned on the top of the feeding frame 74, and the feeding port is arranged.

The rotating shaft 21 drives the friction wheel 75 to rotate through the belt speed reducing group 72 when rotating, the friction wheel 75 rotates to drive the feeding frame 74 to rotate through the first annular plate 71, the feeding frame 74 can scoop in the powder which is not thoroughly crushed on the filter screen 31 through the feeding hole 741 in the rotating process, and when the feeding frame 74 rotates to the upper part in the crushing shell 3, the discharging hole 742 of the feeding frame 74 faces the hammer 6, at the moment, the feeding frame 74 can pour the powder which is not thoroughly crushed inside to the hammer 6, so that the hammer grinding is performed again, and the repeated operation can automatically send the powder which is not thoroughly crushed into the regrinding.

As shown in fig. 1, fig. 2, fig. 12, fig. 13, fig. 14 and fig. 15, the device further comprises a rolling feeding mechanism 8, the rolling feeding mechanism 8 comprises a press roller 81, a first gear 82, an annular gear 83, a second gear 84, a third gear 85 and an outer gear 86, two press rollers 81 are rotatably connected to the top of the feeding frame 74, the two press rollers 81 block a discharge hole 742, so that powder discharged along the discharge hole 742 passes through the press roller 81, the press roller 81 is connected with the first gear 82, the two first gears 82 are meshed with each other, the left side of the cover plate 5 is connected with the annular gear 83, the rotating shaft 21 is connected with the second gear 84, the crushing shell 3 is rotatably connected with the third gear 85, the second gear 84 is in transmission connection with the annular gear 83, the right side of the cover plate 5 is connected with the outer gear 86, and the outer gear 86 is meshed with one of the first gears 82, so that the rotating shaft 21 drives the two press rollers 81 to rotate when the press roller 81 rotates, and the powder passing through the press roller 81 can be rolled when the press roller 81 rotates.

The pivot 21 can drive apron 5 through first gear 82, second gear 84 and ring gear 83 when rotating and rotate, and apron 5 rotates and drives compression roller 81 through outer ring gear 86, third gear 85 and rotate to make pay-off frame 74 when empting the powder, compression roller 81 rotates and can roll-in the powder, supplementary mill the powder, improves crushing effect.

As shown in fig. 1, fig. 2, fig. 8 and fig. 11, the feeding and discharging device further comprises a control and discharging mechanism 11, the control and discharging mechanism 11 comprises a control and discharging plate 111, a swinging block 112, an elastic piece 113 and a blocking block 114, the lower part of the feeding bin 4 is connected with the control and discharging plate 111 in a sliding mode, a blanking opening is formed in the rear side of the control and discharging plate 111 in a spaced mode, the swinging block 112 is connected to the front side of the control and discharging plate 111 in a rotating mode, the feeding frame 74 pushes the swinging block 112 to drive the control and discharging plate 111 to move when rotating, the blanking opening can be aligned with the feeding bin 4 after the control and discharging plate 111 moves, the feeding bin 4 is enabled to perform discharging, the swinging block 112 is in sliding fit with the crushing shell 3, two elastic pieces 113 are connected between the swinging block 112 and the feeding bin 4, the swinging block 112 and the control and the blanking plate 111 are reset through elasticity, and two blocking blocks 114 are connected to the front side of the top of the crushing shell 3 and are used for blocking the control and discharging plate 111.

Initially, the control blanking plate 111 can block the lower part of the feeding bin 4, the feeding frame 74 contacts with the swinging block 112 and pushes the swinging block 112 to move along the crushing shell 3 when rotating, the swinging block 112 drives the control blanking plate 111 to move together when moving, the elastic piece 113 is stretched, the position on the control blanking plate 111, on which the blanking opening is formed, is positioned at the lower part of the feeding bin 4, powder in the feeding bin 4 enters the crushing shell 3 along the blanking opening at the moment, so that the feeding bin 4 is fed, when the control blanking plate 111 moves to contact with the blocking block 114, the control blanking plate 111 is not moved any more, at the moment, the feeding frame 74 continues to move to press the swinging block 112 to swing, and when the feeding frame 74 moves to no longer press the swinging block 112, the swinging block 112 and the control blanking plate 111 are reset under the action of the elastic piece 113, so that the feeding of the bin 4 can be automatically controlled, so that the feeding speed is too fast, and the crushing of the powder is prevented.

Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted equally without departing from the spirit and scope of the technical solution of the present invention.

Claims

1. The utility model provides a powder reducing mechanism with hierarchical function, including installing support (1), driving motor (2), pivot (21) and hammer mill subassembly, driving motor (2) are installed to installing support (1) top one side, are connected with pivot (21) on the output shaft of driving motor (2), are equipped with on installing support (1) and are used for carrying out the hammer mill subassembly that hammergrinds to powder, characterized by: the device also comprises a filter screen (31), a grinding mechanism (9) and an air flow cutting mechanism (10), wherein the filter screen (31) is arranged on the hammer mill assembly, the grinding mechanism (9) for grinding powder is arranged on the hammer mill assembly, and the air flow cutting mechanism (10) for cutting the powder is arranged on the mounting bracket (1); the hammer mill assembly comprises a crushing shell (3), a feeding bin (4), a hammer head (6) and a cover plate (5), wherein the top of a mounting bracket (1) is connected with the crushing shell (3), the top of the crushing shell (3) is communicated with the feeding bin (4), a hammer head (6) is connected to a rotating shaft (21), the hammer head (6) is positioned in the crushing shell (3), the rotating shaft (21) rotates to drive the hammer head (6) to rotate so as to hammer mill powder, one side of the crushing shell (3) is rotatably connected with the cover plate (5), the rotating shaft (21) rotatably penetrates through the crushing shell (3) and the cover plate (5), the bottom of the crushing shell (3) is provided with an opening, so that the powder after the hammer mill is discharged, and a filter screen (31) is connected to the opening of the crushing shell (3) and is used for filtering the powder after the hammer mill; the grinding mechanism (9) comprises a material guiding shell (91), a grinding shell (92), a servo motor (93) and a conical grinding block (94), wherein the material guiding shell (91) is communicated with the opening of the bottom of the grinding shell (3), the grinding shell (92) is communicated with the bottom of the material guiding shell (91), the grinding shell (92) is arranged in an inclined manner, the inclined position is the discharge end of the grinding shell (92), the servo motor (93) is arranged at the upper position in the grinding shell (92), the conical grinding block (94) is connected to the output shaft of the servo motor (93), the conical grinding block (94) is positioned at the lower position in the grinding shell (92), and the conical grinding block (94) rotates to grind the powder after hammer grinding; the airflow cutting mechanism (10) comprises a mounting sleeve (101), a mounting cylinder (102), a bevel gear (103), a spiral feeding disc (104), a cutting steel wire (105), an air inlet pipeline (106) and a discharging pipeline (107), wherein the mounting sleeve (101) is connected to the position, close to the discharging end of the grinding shell (92), of the mounting bracket (1), the mounting cylinder (102) is sleeved in the mounting sleeve (101), the grinding shell (92) penetrates into the mounting sleeve (101) to be communicated with the inner lower part of the mounting cylinder (102), the spiral feeding disc (104) is rotationally connected in the mounting cylinder (102), the top end of the spiral feeding disc (104) penetrates through the mounting cylinder (102), the bevel gear (103) is connected to the top end of the spiral feeding disc (104) and the rotating shaft (21), the two bevel gears (103) are meshed with each other, so that the rotating shaft (21) drives the spiral feeding disc (104) to rotate, the ground powder is conveyed by the rotation of the spiral feeding disc (104), the air inlet pipeline (106) is communicated with the lower part of the mounting cylinder (102) to convey high-pressure airflow into the mounting cylinder (102), the spiral feeding disc (104) is evenly distributed at intervals, the cutting steel wire (105) is connected to the discharging pipeline (107) in the cutting process, for discharging the processed powder; the crushing shell (3) and the guide shell (91), the guide shell (91) and the installation cylinder (102) and the guide shell (91) and the installation sleeve (101) are all detachably arranged so as to crush the powder in a grading way.

2. A powder pulverizing apparatus having a classifying function as defined in claim 1, wherein: the novel grinding and feeding device comprises a grinding and feeding mechanism (7), the grinding and feeding mechanism (7) comprises a first annular plate (71), a belt speed reducing group (72), a second annular plate (73), a feeding frame (74), a friction wheel (75) and a connecting plate (751), the first annular plate (71) is rotatably connected to one side, far away from a cover plate (5), of a grinding shell (3), the connecting plate (751) is connected to one side, close to the first annular plate (71), of the grinding shell (3), the friction wheel (75) penetrates into the grinding shell (3), the friction wheel (75) is in contact with the first annular plate (71), the friction wheel (75) drives the first annular plate (71) to rotate, the belt speed reducing group (72) is arranged between the friction wheel (75) and a rotating shaft (21), the second annular plate (73) is rotatably connected to one side, far inwards, of the second annular plate (73) is connected with the feeding frame (74) between the second annular plate (73) and the first annular plate (71), and the feeding frame (74) rotates to enable the grinding hammer (6) to be thoroughly ground by the grinding powder.

3. A powder pulverizing apparatus having a classifying function as defined in claim 2, wherein: the feeding frame (74) is provided with a feeding hole (741) and a discharging hole (742), the feeding hole (741) is used for the feeding frame (74) to scoop up powder in the rotating process, and the discharging hole (742) is used for the feeding frame (74) to discharge the powder when rotating to the upper part of the hammer head (6).

4. A powder pulverizing apparatus having a classifying function according to claim 3, wherein: still including roll-in feeding mechanism (8), roll-in feeding mechanism (8) including compression roller (81), first gear (82), ring gear (83), second gear (84), third gear (85) and outer ring gear (86), the position rotation that pay-off frame (74) are close to discharge gate (742) is connected with two compression rollers (81), two compression rollers (81) block discharge gate (742), so that along discharge gate (742) exhaust powder can pass through compression roller (81), be connected with first gear (82) on compression roller (81), two first gear (82) intermeshing, one side of apron (5) outwards is connected with ring gear (83), be connected with second gear (84) on pivot (21), rotationally be connected with third gear (85) on crushing shell (3), second gear (84) are connected with ring gear (83) transmission through third gear (85), one side that apron (5) inwards is connected with outer ring gear (86), outer ring gear (86) meshes with one of them first gear (82), so that when rotatory roll-in order to make pivot (21) drive two roll-in (81) can rotate through compression roller (81).

5. A powder pulverizing apparatus having a classifying function as defined in claim 4, wherein: the feeding device is characterized by further comprising a control blanking mechanism (11), wherein the control blanking mechanism (11) comprises a control blanking plate (111), swinging blocks (112), elastic pieces (113) and a blocking block (114), the position, close to the crushing shell (3), of the feeding bin (4) is slidably connected with the control blanking plate (111), blanking openings are formed in one side of the control blanking plate (111) at intervals, the swinging blocks (112) are rotatably connected to one side of the control blanking plate (111), the feeding frame (74) can push the swinging blocks (112) to drive the control blanking plate (111) to move when rotating, the blanking openings can be aligned with the feeding bin (4) after the control blanking plate (111) moves, so that the feeding bin (4) is subjected to blanking, the swinging blocks (112) are in sliding fit with the crushing shell (3), the elastic pieces (113) are connected between the swinging blocks (112) and the feeding bin (4), the elastic pieces (114) are elastically reset the swinging blocks (112) and the control blanking plate (111), and the blocking block (114) are connected to the crushing shell (3) for blocking the control blanking plate (111).