CN210613865U

CN210613865U - Disc crusher

Info

Publication number: CN210613865U
Application number: CN201920874632.9U
Authority: CN
Inventors: 何文莉; 张宏维
Original assignee: Jiangxi Guangming Intelligent Technology Co ltd
Current assignee: Jiangxi Guangming Intelligent Technology Co ltd
Priority date: 2019-06-11
Filing date: 2019-06-11
Publication date: 2020-05-26
Anticipated expiration: 2029-06-11

Abstract

The utility model provides a disc grinder, it includes a grinding mechanism, grinding mechanism includes: the front end surface of the grinding chamber is provided with a feeding hole and the bottom of the grinding chamber is provided with a discharging hole, one side of the feeding hole in the grinding chamber is provided with a static grinding disc with a central hole, and a movable grinding disc which is arranged opposite to the static grinding disc at intervals is connected with a power mechanism through a rotating shaft and can rotate; the method is characterized in that: the rotating shaft is arranged on the rotating shaft supporting seat through a bearing, and an automatic adjusting device capable of adjusting the distance between the movable grinding disc and the static grinding disc is connected with the rotating shaft supporting seat. The utility model provides a current disc grinder adjustment sound mill apart from the problem that wastes time and energy, through the adjustment the axial position of pivot supporting seat, but the automatic adjustment move the clearance between mill and the quiet mill to corresponding adjustment material is ground the granularity size out.

Description

Disc crusher

Technical Field

The utility model relates to a use in mineral chemical examination field and grind into powder's disc rubbing crusher with mineral.

Background

In the field of mineral assay, minerals need to be ground into powder, and a plurality of technologies can achieve the effect, wherein the disc crusher is one of the technologies, and the disc crusher is characterized by high grinding speed and convenient discharge and cleaning.

The existing common disc grinder is provided with a motor, a movable grinding disc is arranged at the front end of the motor, a static grinding disc is arranged in a grinding cavity, the front end of the grinding cavity is provided with a feeding hopper, the feeding hopper is manually fed, blanking in the grinding process directly flows out through an outlet, the gap between the movable grinding disc and the static grinding disc can be manually adjusted, the cavity can be opened on the side surface after grinding, and the cavity is manually cleaned. Therefore, the structure is simple and crude, the dust is large, and manual cleaning and manual feeding are needed.

However, no disc grinder which can automatically adjust the particle size, automatically receive materials and automatically clean exists in the current market.

Disclosure of Invention

Therefore, the utility model discloses a first purpose is to solve current disc crusher and can not automatically regulated clearance, through the problem that artifical regulation is wasted time and energy, provides a disc crusher, solves above-mentioned technical problem, improves production efficiency, reduces intensity of labour.

The utility model discloses a still another purpose is to overcome current disc rubbing crusher can not automatic feed, needs the problem of artifical manual feeding.

The utility model discloses another invention aim at overcoming current disc rubbing crusher can not self-cleaning's technical problem, opens the problem that the grinding chamber clearance leads to the raise dust through the manual work.

The utility model discloses a still another aim at overcome current disc rubbing crusher and directly connect the material through the container, can not accomplish the technical problem of dustless ejection of compact.

In order to achieve the above object, the utility model adopts the following technical scheme:

a disc shredder including a grinding mechanism, the grinding mechanism comprising: the front end surface of the grinding chamber is provided with a feeding hole and the bottom of the grinding chamber is provided with a discharging hole, one side of the feeding hole in the grinding chamber is provided with a static grinding disc with a central hole, and a movable grinding disc which is arranged opposite to the static grinding disc at intervals is connected with a power mechanism through a rotating shaft and can rotate; the method is characterized in that: the rotating shaft is arranged on the rotating shaft supporting seat through a bearing, and an adjusting device capable of adjusting the distance between the movable grinding disc and the static grinding disc is connected with the rotating shaft supporting seat.

Disc grinder, as preferred mode, it still includes a frame, grind the chamber and fix on the last mounting panel of frame, the pivot supporting seat passes through adjusting device to be fixed on the last mounting panel of frame.

Disc crusher, as preferred mode, adjusting device includes: the sliding block is arranged below the rotating shaft supporting seat and can move on the plane along the axial direction of the rotating shaft, and the sliding block is connected with a guide rail arranged on the rack in a sliding manner; the connecting plate is arranged between the sliding block and the rotating shaft supporting seat, an end plate is arranged on the end face of the connecting plate, a nut is fixedly connected onto the end plate and connected with a lead screw, the body of the lead screw is fixed in position through an adjusting bearing seat, one end of the lead screw is connected with a servo motor, and the adjusting bearing seat and the servo motor are fixedly arranged on the rack.

In order to realize uniform automatic feeding, the disc grinder is provided with a feeding mechanism at the feeding port of the grinding cavity as an optimal mode, the feeding mechanism comprises a hopper and a spiral feeder connected with the outlet end at the downstream of the hopper, one end of a spiral shaft of the spiral feeder is connected with a feeding driver, and one end of the spiral feeder opposite to the feeding driver is provided with a discharging port; the discharge hole is communicated with the feed inlet of the grinding cavity.

Disc grinder in order to realize automatic clearance grinding intracavity residual material, as preferred mode grind the higher authority in chamber and be equipped with a clean mechanism, clean mechanism includes a fly leaf, establishes grind the roof top in chamber, and a elevating gear with the fly leaf is connected and is made the fly leaf can grind the roof oscilaltion in chamber relatively, is equipped with several tracheas on the fly leaf, and the trachea top is equipped with the air inlet, tracheal lower extreme can pass and grind the chamber roof and carry out elevating movement in grinding the chamber, tracheal lower extreme has the orifice.

Preferably, the lifting device comprises two lifting cylinders arranged on the top plate of the grinding cavity, and two ends of the movable plate are connected with the telescopic ends of the two lifting cylinders; an upper fixed plate and a grinding cavity top plate are arranged above the movable plate in parallel, a vertical guide rail is arranged between the upper fixed plate and the grinding cavity top plate, and the movable plate is connected with the guide rail in a sliding mode and can move up and down along the guide rail under the driving of the lifting cylinder.

Preferably, the bottom end of the air pipe is closed, and the spray holes are formed in the side face of the lower end of the air pipe.

In order to clean the grinding cavity in all directions without dead angles, as a preferable mode, the air pipe is further connected with a rotation driving device capable of driving the air pipe to rotate by 360 degrees, and the rotation driving device comprises: a driving motor is arranged on the movable plate, a motor toothed belt wheel is arranged at the output shaft end of the driving motor, a driven toothed belt wheel is arranged at the upper end of the air pipe, and a toothed belt is wound between the motor toothed belt wheel and the driven toothed belt wheel and used for driving the air pipe to rotate.

Preferably, the number of the air pipes is at least two, each pair of air pipes is symmetrically arranged along the center line of the movable grinding disc, the position of one pair of air pipes is positioned in front of the static grinding disc, and the pair of air pipes is positioned just above the gap between the movable grinding disc and the static grinding disc when the movable grinding disc moves backwards; and the other at least one pair of air pipes are arranged at the positions corresponding to the rear part or the side cavity of the movable grinding disc.

In order to realize automatic dust-free material receiving, as a preferred mode, the outlet of the grinding cavity discharge hopper is connected with an automatic material receiving mechanism; the automatic material receiving mechanism comprises a cyclone separator connected with an outlet below the discharge hopper, an exhaust port is formed in the upper end of the cyclone separator and connected with a negative pressure device, a discharge port is formed in the lower end of the cyclone separator, the periphery of the discharge port is closely connected with an upper supporting plate hung below an upper mounting plate of the rack, a lower supporting plate is arranged below the upper supporting plate, and a sample receiving bottle can be placed on the lower supporting plate.

As a preferable mode, the upper support plate is provided with two guide rods and two fixing rods which are vertically arranged, and the upper support plate is arranged at the lower ends of the fixing rods and the middle parts of the guide rods; the lower support plate is movably arranged on the guide rod in a penetrating way; and the lower supporting plate is connected with an electric push rod capable of driving the lower supporting plate to move up and down.

Preferably, one side of the cyclone separator is provided with a vibrator.

Disc grinder, as preferred mode, power unit includes a driving motor, the tail end of pivot certainly pivot supporting seat tip stretches out the tail end of pivot and driving motor's output shaft end are equipped with transmission, the pivot is equipped with transmission strutting arrangement.

The disc grinder of the utility model, as a preferred mode, the transmission device comprises belt pulleys arranged at the end part of the rotating shaft and the end part of the driving motor shaft and a belt connected between the two belt pulleys; the transmission support device comprises: the belt pulley comprises a rotating shaft, a fixed belt pulley support, a shaft sleeve, a flange plate and a bearing, wherein the fixed belt pulley support is arranged at the tail end of the rotating shaft and is adjacent to the belt pulley, the shaft sleeve capable of axially moving relative to the rotating shaft is arranged between the belt pulley support and the rotating shaft, the end part of the shaft sleeve is provided with the flange plate connected with the end surface of the belt pulley, and the bearing is arranged between the shaft sleeve and the belt.

By adopting the above technical scheme, the utility model, add under the installation pivot supporting seat of the pivot of moving the mill and establish a device that automatic adjustment moved, quiet mill clearance, can conveniently adjust the grinding particle size. The utility model discloses further through increasing automatic feeder, through the spiral pay-off, make the pay-off even, accomplish automatically, reduce workman's intensity of labour. The utility model discloses a set up self-cleaning mechanism above grinding the chamber, especially directly carry high-pressure air quiet mill and move between the mill through the trachea, and the cleanness is gone on under grinding the relatively inclosed state in chamber to reduced the manual work and opened the pollution that the chamber is clean to produce, also reduced workman's intensity of labour. Particularly, an automatic material receiving mechanism is connected below a discharge port of the grinding cavity, the automatic material receiving mechanism enables materials to be automatically sucked by providing a cyclone separator with negative pressure, the automatic material receiving mechanism is combined with a cleaning mechanism, the ground materials are discharged in a fully-closed state, automatic cleaning is carried out in the closed state, the production efficiency is greatly improved, and environmental pollution is avoided.

Its rational in infrastructure of disc crusher, arrange ingenious, degree of automation is high, does benefit to environmental protection, has reduced workman intensity of labour.

Drawings

Fig. 1 is a schematic view of the overall structure of the disc crusher provided by the present invention.

Fig. 2 is a sectional view of the feeding mechanism.

FIG. 3 is a cross-sectional view of the grinding mechanism;

fig. 4 is a perspective view of the automatic receiving mechanism;

FIG. 5 is a perspective view of the cleaning mechanism;

FIG. 6 is a schematic view of the air tube arrangement of the cleaning mechanism;

fig. 7 is a schematic view of the structure of the slider and the guide rail of the lapping mechanism.

Description of reference numerals: the device comprises a feeding mechanism 1, a hopper 11, a spiral feeder 12, a coupling 13, a feeding driver 14 and a discharging port 121; the grinding mechanism 2, the grinding cavity 21, the feeding port 211, the discharging hopper 212, the discharging port 213, the grinding cavity top plate 214, the static grinding disc 22, the movable grinding disc 23, the rotating shaft 24, the bearing 241, the adjusting device 25, the sliding block 251, the screw 252, the screw 253, the adjusting bearing seat 254, the coupling 255, the servo motor 256, the guide rail 257, the connecting plate 258 and the end plate 2581; a rotating shaft support base 26; the device comprises a power mechanism 3, a driving motor 31, a transmission device 32, a belt pulley 321, a belt 322, a transmission supporting device 33, a belt pulley bracket 331, a shaft sleeve 332 and a bearing 333; the automatic material receiving mechanism 4, a pipeline 41, a cyclone separator 42, a negative pressure device 43, an electric push rod 44, a vibrator 45, a guide rod 46, an upper supporting plate 47, a sample bottle 48, a lower supporting plate 49 and a fixing rod 410; the cleaning device comprises a cleaning mechanism 5, a lifting device 51, a lifting cylinder 511, an upper fixed plate 512, a guide rail 513, an air pipe 52a, an air pipe 52b, an air pipe 52c, an air inlet 521, a spray hole 522, a movable plate 53, a connecting piece 531, a rotary driving device 54, a driving motor 541, a motor toothed belt wheel 542 and a driven toothed belt wheel 543; frame 6, upper mounting plate 61.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be made with reference to the accompanying drawings, but the scope of the present invention should not be limited by the preferred embodiments.

As shown in fig. 1, the utility model provides a disc grinder, it includes: the grinding mechanism 2 comprises a grinding cavity 21, a static grinding disc 22 with a central hole and a movable grinding disc 23 which is arranged opposite to the static grinding disc 22 at intervals are arranged in the grinding cavity 21, and the movable grinding disc 23 is connected with the power mechanism 3 through a rotating shaft 24 and can rotate; the method is characterized in that: the rotating shaft 24 is arranged on a rotating shaft supporting seat 26 through a bearing 241, and an adjusting device 25 capable of automatically adjusting the distance between the movable grinding disc 23 and the static grinding disc 22 is connected with the rotating shaft supporting seat 26; the grinding device further comprises a rack 6, the grinding cavity 21 is fixed on an upper mounting plate 61 of the rack 6, the rotating shaft supporting seat 26 is fixed on the upper mounting plate 61 of the rack 6 through an adjusting device 25, and therefore the rotating shaft supporting seat 26 can be driven by the adjusting device 25 to drive the rotating shaft and the movable grinding disc 23 to move away from and approach to the static grinding disc 22.

Specifically, as shown in fig. 1 and 3, the grinding mechanism 2 includes a grinding chamber 21 having a feed port 211 and a discharge port 213, the grinding chamber 21 is composed of a front end plate, a rear end plate, a left end plate, a right end plate, a top plate 214, and a discharge hopper 212 at the bottom, the feed port 211 is provided on the front end plate, and the discharge port 213 is provided at the bottom of the lower end of the discharge hopper; a static grinding disc 22 which is arranged at the feed inlet 211 and is in a static state, a central hole of the static grinding disc 22 is communicated with the feed inlet 211 arranged on the front end plate and a discharge outlet (detailed later) of the feeding mechanism 1, a movable grinding disc 23 is oppositely arranged at one side of the static grinding disc 22 opposite to the feed inlet of the grinding cavity at intervals, the movable grinding disc 23 is connected with a rotating shaft 24, the rotating shaft 24 is arranged on a rotating shaft supporting seat 26 which can be far away from and close to the static grinding disc 22 through a bearing 241, and the rotating shaft 24 is in power connection with a power mechanism 3 (such as a motor) and can drive the movable grinding disc 23 to rotate so that materials are ground between the relative friction surfaces of the movable grinding disc 23 and the static; in this embodiment, a flying saucer-shaped spacing cavity with a wide center and a narrow edge is formed between the movable grinding disc 23 and the static grinding disc 22 and used for storing a material to be ground, the distance between the edges of the movable grinding disc 23 and the static grinding disc 22 is the minimum to form the relative friction surface, after the material enters between the movable grinding disc 23 and the static grinding disc 22, the material is thrown out to the edge position under the rotation driving of the movable grinding disc 23, and is ground by the relative friction surface to form particles with a particle size smaller than the distance between the relative friction surface, and finally the particles are thrown out from the edge gap between the movable grinding disc 23 and the; the adjusting device 25 is used for adjusting the gap between the dynamic and static grinding discs so as to grind materials with different particle sizes.

Referring to fig. 3, the adjusting device 25 is connected to the rotating shaft supporting seat 26, and can drive the rotating shaft supporting seat 26 to move away from and close to the static grinding disc 22, so that the gap between the movable grinding disc 23 and the static grinding disc 22 can be adjusted by moving the rotating shaft supporting seat 26, and the particle size of the ground material can be adjusted accordingly. In the present embodiment, the adjusting device 25 includes: a slider 251 disposed below the shaft support 26 and capable of moving on a plane in the axial direction of the shaft 24, as shown in fig. 3 and 7, and having a guide 257 on the upper mounting plate 61 of the frame for sliding the slider 251; a connecting plate 258 is arranged between the sliding block 251 and the rotating shaft supporting seat 26, an end plate 2581 is arranged on the end surface of the connecting plate 258, a nut 252 is fixedly connected to the end plate 2581, a screw rod 253 is connected to the nut 252, the body of the screw rod 253 is fixed in position by adjusting a bearing seat 254, and one end of the screw rod 253 is connected with a servo motor 256 through a coupling 255. When the servo motor 256 rotates, the screw rod 253 rotates along with the screw rod, so that the screw nut 252 is driven to axially move on the screw rod 253, the slide block 251 is driven by the connecting plate 258 to linearly move along the guide rail 257, and the rotating shaft supporting seat 26 and the rotating shaft 24 are driven to synchronously move, so that the size of a gap between the movable grinding disc 23 and the static grinding disc 22 can be adjusted.

Referring to fig. 3, the power mechanism 3 for driving the movable grinding disc to rotate includes a driving motor 31, the driving motor 31 is fixed on the frame 6, and the tail end of the rotating shaft 24 extends out from the rear end of the rotating shaft supporting seat 26; a transmission device 32 is arranged at the tail end of the rotating shaft 24 and the output shaft end of the driving motor 31, and the transmission device 32 comprises belt pulleys 321 arranged at the end part of the rotating shaft and the end part of the driving motor shaft and a belt (omitted in the figure) connected between the two belt pulleys 321; in order to improve the stability of the rotating shaft 24 and facilitate the axial movement of the rotating shaft 24, a transmission supporting device 33 is provided at the tail end of the rotating shaft, and the transmission supporting device 33 includes: a fixed pulley support 331 is provided at the rear end of the rotating shaft 24 adjacent to the pulley 322 and fixed on the frame 6, a sleeve 332 which can move axially relative to the rotating shaft 24 is provided between the pulley support 331 and the rotating shaft 24, i.e. the sleeve 322 and the rotating shaft can be connected by a spline, the end of the sleeve 332 is provided with a flange connected with the end surface of the pulley 321, and a bearing 333 is provided between the sleeve 332 and the pulley support 331. The transmission support device 33 provides radial support and fixation of the rotating shaft 24, and provides freedom for the rotating shaft 24 to move axially, so that the rotating shaft support seat 26, the rotating shaft 24 and the movable grinding disc 23 can move axially under the action of the adjusting device 25.

The frame 6 provides an upper mounting plate 61, the grinding mechanism 2 is arranged on the upper mounting plate 61 of the frame 6, the grinding cavity 21 is fixed on the upper mounting plate 61, the adjusting device 25 is fixed on the upper mounting plate 61, and the driving motor 31 of the power mechanism 3 is fixed on the upper mounting plate 61 and is positioned on the side surface of the grinding mechanism 2; the pulley holder 331 of the transmission support 33 is provided adjacent to the end of the rotating shaft 24 and fixed to the upper mounting plate 61.

In order to realize uniform and automatic feeding, a feeding mechanism 1 is arranged at a feeding port of the grinding cavity 21, namely the grinding mechanism 2 is positioned at the downstream of the feeding mechanism 11; as shown in fig. 1 and 2, the feeding mechanism 1 includes a hopper 11 and a screw feeder 12 connected to a downstream end of the hopper 11, one end of a screw shaft of the screw feeder 12 is connected to a feeding driver 14 (e.g., a motor) through a coupling 13, and an end of the screw feeder 12 opposite to the feeding driver 14 is provided with a discharge port 121; the discharge port 121 is communicated with the feed port 211 of the grinding chamber, and after the materials are put into the hopper 11, the feed driver 14 drives the screw shaft to rotate, so that the materials uniformly enter the grinding chamber 21 from the discharge port along the screw shaft, and the purpose of uniform feeding is achieved.

In order to avoid that the ground material does not generate dust when being discharged from the discharge port 213, an automatic material receiving mechanism 4 is arranged at the downstream of the discharge port 213. The automatic material receiving mechanism 4 is arranged on the bottom plate of the frame 6 and is positioned below the upper mounting plate 61, as shown in fig. 1 and 4, the automatic material receiving mechanism 4 is arranged at the downstream of the discharge hopper 212 of the grinding cavity; a discharge port supply pipeline 41 of the discharge hopper 212 is connected with a cyclone separator 42, a vibrator 45 is arranged on one side of the cyclone separator 42, an exhaust port at the upper end of the cyclone separator 42 is connected with a negative pressure device 43, a discharge port is arranged at the lower end of the cyclone separator 42, the periphery of the discharge port is closely connected with an upper support plate 47 hung below an upper mounting plate 61 of the rack through a flange, and the upper support plate 47 is provided with a through hole butted with the discharge port, namely the upper support plate 47 is used for mounting the cyclone separator 42; a lower support plate 49 is arranged below the upper support plate 47, and the lower support plate 49 can be used for placing a sample receiving bottle. Two vertically arranged guide rods 46 are fixed on the frame 6, the upper ends of two fixing rods 410 are fixed below an upper mounting plate 61 of the frame, the lower ends are used for being connected with an upper support plate 47, and meanwhile, the upper support plate 47 is also connected to the middle proper position of the guide rods 46 and keeps the horizontal state; the lower support plate 49 is movably arranged on the guide rod 46 in a penetrating way; the lower support plate 49 is also connected with an electric push rod 44 capable of extending and retracting along the vertical direction, and the electric push rod 44 is fixed on the rack 6, so that the lower support plate 49 can vertically ascend and descend along the guide rod 46; when receiving materials, the electric push rod 44 is in a push-out state, so that the distance between the lower support plate 49 and the upper support plate 47 is large enough for placing a sample receiving bottle 48 on the lower support plate 49, and then the electric push rod 44 retracts, so that the upper bottle opening of the sample receiving bottle 48 is closely connected with the lower surface of the upper support plate 47 and is connected with the feed opening of the cyclone separator 42; then, the ground material enters the cyclone separator 42 through the discharge hopper 212, under the action of negative pressure, the material enters the sample receiving bottle 48, and the vibrator 45 works at the moment, so that the powder adhered to the inner wall of the cyclone separator 42 can be vibrated down; the motorized push rod 44 is then pushed out again, allowing the vial 48 to be removed.

As shown in fig. 1 and 5, a cleaning mechanism 5 is disposed above the grinding chamber, the cleaning mechanism 5 has a movable plate 53 disposed preferably in parallel with the top plate of the grinding chamber, and a lifting device 51 is connected to the movable plate 53 to enable the movable plate 53 to lift up and down relative to the top plate of the grinding chamber, a plurality of air pipes 52 are disposed on the movable plate 53, and an air inlet 521 is disposed at the top end of each air pipe 52 for communicating with compressed air; the lower end of the air pipe 52 can penetrate through the top plate of the grinding cavity to move up and down in the grinding cavity, the lower end of the air pipe 52 is provided with spray holes 522, and in order to improve the cleaning effect, the bottom end of the air pipe is preferably closed, and the spray holes 522 are arranged on the side surface of the lower end of the air pipe.

Specifically, in the embodiment, the lifting device 51 includes two lifting cylinders 511 disposed on the top plate 214 of the grinding chamber, and two ends of the movable plate 53 are connected to the telescopic ends of the two lifting cylinders through a connecting member 531; an upper fixed plate 512 is arranged above the movable plate 53 in parallel with the top plate of the grinding chamber, a vertical guide rail 513 is arranged between the upper fixed plate 512 and the top plate of the grinding chamber, and the movable plate 53 is slidably connected with the guide rail 513 and can move up and down along the guide rail 513 under the driving of the lifting cylinder 511.

In order to make the high-pressure air clean the grinding cavity, the movable grinding disc and the static grinding disc in all directions, the air pipe 52 is further connected with a rotary driving device 54 capable of driving the air pipe 52 to rotate 360 degrees, and the rotary driving device 54 comprises: a driving motor 541 arranged on the movable plate 53, a motor toothed belt wheel 542 arranged at an output shaft end of the driving motor 541, a driven toothed belt wheel 543 arranged at an upper end of each air tube 52, and a toothed belt (not shown) wound between the motor toothed belt wheel 542 and the driven toothed belt wheel 543 for driving the air tube 52 to rotate.

Referring to fig. 6, the air pipes 52 are preferably symmetrically arranged in pairs, at least two pairs, in this embodiment three pairs, each pair of air pipes is symmetrically arranged along the center line of the movable grinding disc 23, and the position of one pair of air pipes 52a is located in front of the stationary grinding disc 22, and when the movable grinding disc 23 moves backwards, the pair of air pipes 52 is located just above the gap between the movable grinding disc 23 and the stationary grinding disc 22; the other pair of air pipes 52b are positioned at two sides of the periphery of the movable grinding disc 23, and the third pair of air pipes 52c are arranged behind the movable grinding disc 23. With the arrangement, when the grinding cavity 21 needs to be cleaned, the adjusting device 25 drives the movable grinding disc 23 to move backwards to the limit position, then the lifting device 51 drives the air pipe 52 to descend to the position between the movable grinding disc 22 and the static grinding disc 23, which continuously moves up and down, and the side surface and the rear surface of the movable grinding disc 23, and simultaneously the driving motor 541 drives the air pipe 52 to rotate 360 degrees, the high-pressure gas sprayed from the spraying holes 522 can sweep the inner wall of the grinding cavity 21 without dead angles, and the materials attached to the inner wall of the grinding cavity 21 are cleaned.

To sum up, the primary objective of the disc grinder provided by the above embodiments of the present invention is to automatically and conveniently adjust the grinding particle size through the adjusting device 25; further, even feeding is realized by arranging the feeding mechanism 1; the grinding chamber can be automatically cleaned in a closed state without dead angles by the cleaning mechanism 5; automatic dust-free material receiving is realized through the automatic material receiving mechanism 4; the production efficiency is improved, the labor intensity is reduced, and the environmental pollution is avoided.

The foregoing description is intended to be illustrative rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. A disc shredder including a grinding mechanism, the grinding mechanism comprising: the front end surface of the grinding chamber is provided with a feeding hole and the bottom of the grinding chamber is provided with a discharge hopper, one side of the feeding hole in the grinding chamber is provided with a static grinding disc with a central hole, and a movable grinding disc which is arranged opposite to the static grinding disc at intervals is connected with a power mechanism through a rotating shaft and can rotate; the method is characterized in that: the rotating shaft is arranged on the rotating shaft supporting seat through a bearing, and an adjusting device capable of adjusting the distance between the movable grinding disc and the static grinding disc is connected with the rotating shaft supporting seat.

2. The disc mill of claim 1, characterized in that: the grinding device is characterized by further comprising a rack, the grinding cavity is fixed on an upper mounting plate of the rack, and the rotating shaft supporting seat is fixed on the upper mounting plate of the rack through an adjusting device.

3. The disc mill of claim 2, characterized in that: the adjusting device comprises: the sliding block is arranged below the rotating shaft supporting seat and can move on the plane along the axial direction of the rotating shaft, the sliding block is in sliding connection with a guide rail installed on the rack, a connecting plate is arranged between the sliding block and the rotating shaft supporting seat, an end plate is arranged on the end face of the connecting plate, a nut is fixedly connected onto the end plate and is connected with a lead screw, the body of the lead screw is fixed in position through an adjusting bearing seat, one end of the lead screw is connected with a servo motor, and the adjusting bearing seat and the servo motor are fixedly arranged on the rack.

4. A disc shredder according to claim 3, characterised in that: a feeding mechanism is arranged at a feeding port of the grinding cavity, the feeding mechanism comprises a hopper and a spiral feeder connected to the downstream outlet end of the hopper, one end of a spiral shaft of the spiral feeder is connected with a feeding driver, and a discharging port is arranged at one end of the spiral feeder opposite to the feeding driver; the discharge hole is communicated with the feed inlet of the grinding cavity.

5. The disc mill of claim 4, characterized in that: the grinding chamber is provided with a cleaning mechanism on the upper surface, the cleaning mechanism comprises a movable plate and is arranged above a top plate of the grinding chamber, a lifting device is connected with the movable plate to enable the movable plate to lift up and down relative to the top plate of the grinding chamber, the movable plate is provided with a plurality of air pipes, the top ends of the air pipes are provided with air inlets, the lower ends of the air pipes can penetrate through the top plate of the grinding chamber to move up and down in the grinding chamber, and the lower ends of the air pipes are provided with spray holes.

6. The disc mill of claim 5, characterized in that: the lifting device comprises two lifting cylinders arranged on the top plate of the grinding cavity, and two ends of the movable plate are connected with the telescopic ends of the two lifting cylinders; an upper fixed plate and a grinding cavity top plate are arranged above the movable plate in parallel, a vertical guide rail is arranged between the upper fixed plate and the grinding cavity top plate, and the movable plate is connected with the guide rail in a sliding mode and can move up and down along the guide rail under the driving of the lifting cylinder.

7. The disc mill according to claim 5 or 6, characterized in that: the bottom end of the air pipe is closed, and the spray holes are formed in the side face of the lower end of the air pipe.

8. The disc mill of claim 6, characterized in that: the trachea still is connected with and can drives the trachea carries out the rotation driving device of 360 degrees rotations, rotation driving device includes: a driving motor is arranged on the movable plate, a motor toothed belt wheel is arranged at the output shaft end of the driving motor, a driven toothed belt wheel is arranged at the upper end of the air pipe, and a toothed belt is wound between the motor toothed belt wheel and the driven toothed belt wheel and used for driving the air pipe to rotate.

9. The disc mill of claim 8, characterized in that: the air pipes are at least two pairs, each pair of air pipes are symmetrically arranged along the central line of the movable grinding disc, the position of one pair of air pipes is positioned in front of the static grinding disc, and when the movable grinding disc moves backwards, the pair of air pipes are just positioned above a gap between the movable grinding disc and the static grinding disc; other air pipes are arranged at the positions corresponding to the rear part or the side cavity of the movable grinding disc.

10. A disc shredder according to any one of claims 4 to 6 or 8 to 9, characterised in that: the discharge hopper of the grinding cavity is connected with an automatic material receiving mechanism; the automatic material receiving mechanism comprises a cyclone separator connected with an outlet below the discharge hopper, an exhaust port is formed in the upper end of the cyclone separator and connected with a negative pressure device, a discharge port is formed in the lower end of the cyclone separator, the periphery of the discharge port is closely connected with an upper supporting plate hung below an upper mounting plate of the rack, a lower supporting plate is arranged below the upper supporting plate, and a sample receiving bottle can be placed on the lower supporting plate.

11. The disc shredder according to claim 10, wherein: the upper support plate is provided with two guide rods and two fixing rods which are vertically arranged, and the upper support plate is arranged at the lower ends of the fixing rods and the middle parts of the guide rods; the lower support plate is movably arranged on the guide rod in a penetrating way; and the lower supporting plate is connected with an electric push rod capable of driving the lower supporting plate to move up and down.

12. The disc mill of claim 11, characterized in that: and a vibrator is arranged on one side of the cyclone separator.

13. A disc shredder according to any one of claims 1 to 3, characterised in that: the power mechanism comprises a driving motor, the tail end of the rotating shaft extends out of the end part of the rotating shaft supporting seat, transmission devices are arranged at the tail end of the rotating shaft and the output shaft end of the driving motor, and the rotating shaft is provided with a transmission supporting device.

14. The disc shredder according to claim 13, wherein: the transmission device comprises belt pulleys arranged at the end part of the rotating shaft and the end part of the driving motor shaft and a belt connected between the two belt pulleys.

15. The disc shredder according to claim 14, wherein: the transmission support device comprises: the belt pulley comprises a rotating shaft, a fixed belt pulley support, a shaft sleeve, a flange plate and a bearing, wherein the fixed belt pulley support is arranged at the tail end of the rotating shaft and is adjacent to the belt pulley, the shaft sleeve capable of axially moving relative to the rotating shaft is arranged between the belt pulley support and the rotating shaft, the end part of the shaft sleeve is provided with the flange plate connected with the end surface of the belt pulley, and the bearing is arranged between the shaft sleeve and the belt.