CN213914048U - Adjustable grinding device for continuous feeding and discharging of solid materials - Google Patents
Adjustable grinding device for continuous feeding and discharging of solid materials Download PDFInfo
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- CN213914048U CN213914048U CN202022893952.4U CN202022893952U CN213914048U CN 213914048 U CN213914048 U CN 213914048U CN 202022893952 U CN202022893952 U CN 202022893952U CN 213914048 U CN213914048 U CN 213914048U
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- 238000000227 grinding Methods 0.000 title claims abstract description 211
- 239000011343 solid material Substances 0.000 title claims abstract description 27
- 238000007599 discharging Methods 0.000 title claims description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 239000003638 chemical reducing agent Substances 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 61
- 239000003245 coal Substances 0.000 abstract description 20
- 239000002245 particle Substances 0.000 abstract description 16
- 238000002360 preparation method Methods 0.000 abstract description 14
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 10
- 239000011707 mineral Substances 0.000 abstract description 10
- 239000002184 metal Substances 0.000 abstract description 6
- 229910052751 metal Inorganic materials 0.000 abstract description 6
- 239000008187 granular material Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 12
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011796 hollow space material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005464 sample preparation method Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The utility model discloses a solid material pan feeding in succession and grinder of ejection of compact with adjustable orders about the rotation of feeding axle through actuating mechanism, carries out the coarse crushing back with the coarse crushing material again through the feed opening to the material that enters into in the casing by the epaxial feeding strip of feed, during abrasive disc, adjustable abrasive disc are sent into to the material, further broken by abrasive disc, adjustable abrasive disc's relative rotation to the material. The utility model provides a solid material continuous feeding and grinder of ejection of compact with adjustable, its preparation process of being applied to coal or mineral particles for obtain coal, the mineral particles of certain granularity. The utility model discloses avoided the collision between the metal object in the preparation process of coal sample, the device is small, and the noise is little during the working period, and sample preparation is efficient. Through the distance between the accurate adjustment abrasive surface, avoided the collision between the abrasive surface, can the maximum granularity of accurate control after grinding material granule simultaneously.
Description
Technical Field
The utility model relates to a crushing, grinding or crushing apparatus, concretely relates to coal or mineral grain's grinder.
Background
Coal generally requires a certain mass of coal sample to be prepared into a specific particle size in the analysis and detection process. Chinese utility model patent publication No. CN109499731A discloses an automatic grinder for ore or coal raw materials, which comprises a crushing assembly, a rotary dividing assembly matched with the crushing assembly, a lifting material conveying assembly matched with the rotary dividing assembly, a vibration grinding assembly matched with the lifting material conveying assembly, and a material receiving assembly matched with the vibration grinding assembly. The utility model discloses a be applied to automatic machine that grinds of ore deposit class or coal class raw materials's beneficial effect lies in: its reasonable in design, broken subassembly, rotatory division subassembly, the defeated material subassembly of lift, vibration grinding component and the material subassembly of connecing that cooperate to use, it can treat the ore class or the coal class raw materials that detect and realize automatic accurate, high-efficient, stable and the abrasive treatment of environmental protection, improves detection efficiency and detection quality, practices thrift cost, explosion-proof performance is excellent, is convenient for maintain. The Chinese utility model with publication number CN209784019U discloses a coal detecting and grinding device, which comprises a base, wherein the upper end of the base is fixedly provided with a support rod, the support rod is L-shaped, the lower end of a vertical rod body of the support rod is connected with the base, the lower end of a horizontal rod body of the support rod is fixedly provided with a cylinder, the cylinder is vertically arranged, the lower end of the cylinder is fixedly connected with a press block, the upper end of the side wall of the press block is sleeved with a first fixing ring, the bottom surface of the first fixing ring is fixedly provided with a second nozzle, the upper end of the base is provided with a grinding groove, the grinding groove is positioned under the press block, the inner diameter of the grinding groove is larger than the outer diameter of the first fixing ring, the bottom surface of the grinding groove is fixedly provided with a second fixing ring, when the device is used, a coal sample is firstly placed in the grinding groove, the first fixing ring is matched with the inner wall of the grinding groove in the grinding process, coal fragments can be prevented from splashing to the outside of the device.
The existing crushing and grinding equipment comprising the two patent technologies has the problems of large volume, complex operation, collision between metals in the sample preparation process, huge noise, obvious heating and excessive crushing. Huge noise in the sample preparation process has certain influence on the hearing health of personnel; a large amount of energy is consumed by metal collision in sample preparation, and meanwhile, the temperature of the sample is obviously increased, so that the quality of coal is possibly influenced, and the accuracy of an analysis result is further influenced; the traditional sample preparation method has inaccurate granularity control and often has the phenomenon of excessive crushing in order to ensure the sieving rate of a prepared sample.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a solid material pan feeding in succession and grinder of ejection of compact with adjustable has avoided the collision between the metal object in the preparation process of coal sample, and the device is small moreover, and the noise is little during the operation, and sample preparation is efficient.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides a grinder of continuous pan feeding of solid material and ejection of compact with adjustable, it includes:
a shell, the upper end of which is provided with a feed inlet;
the grinding cavity shell is communicated with the shell through a feeding hole, and a discharging hole is formed in the lower end of the grinding cavity shell;
the grinding disc and the adjustable grinding disc are arranged in the grinding cavity shell in a coaxial and grinding surface opposite structure;
the feeding shaft is driven by the driving mechanism to rotate and extends into the shell to be inserted into the grinding cavity shell from the feeding hole to be coaxially connected with the back surface of the grinding disc;
a feeding bar spirally wound on an outer surface of the feeding shaft in an axial direction;
the distance adjusting screw is coaxially connected with the back surface of the adjustable grinding disc; the distance adjusting screw is screwed out of the grinding cavity shell and then is in threaded connection with a fastening nut of the distance adjusting screw.
Further, the shell comprises a feeding and storing bin and a feeding shaft bin which are communicated, the upper end of the feeding and storing bin is provided with the feeding hole, and the feeding shaft bin is communicated with the grinding cavity shell through a feeding hole; the feeding shaft extends into the feeding shaft bin and is inserted into the grinding cavity shell from the feeding hole to be coaxially connected with the back of the grinding disc.
Further, the grinding cavity shell is connected with the material feeding and storing bin through a plurality of frame fixing screws and frame fixing nuts.
Furthermore, the part of the distance adjusting screw extending out of the grinding cavity shell is provided with a distance adjusting screw handle.
Furthermore, a plurality of grinding disc adjusting screws are screwed into the grinding cavity shell and then abut against the back face of the adjustable grinding disc, a grinding disc fastening nut is screwed on each grinding disc adjusting screw, and a fastening screw handle is arranged on the part, outside the grinding cavity shell, of each grinding disc adjusting screw.
Furthermore, the outward protruding spiral body in the feeding strip is provided with rough breaking teeth.
Furthermore, the tooth form of the rough breaking tooth is any one of a rectangle, a cylinder, a triangular pyramid and a sawtooth.
Further, the grinding disc and the adjustable grinding disc are the same in shape and structure, and both take a disc body as a main body; the outer side of the disc body is provided with a circle of horizontal grinding surface; a plurality of sunken cutting grooves are arranged between the horizontal grinding surface and the center of the disc body; one end of each cutting groove is flush with the horizontal grinding surface, and the other end of each cutting groove gradually descends; the side edge of each cutting groove is inclined at a certain angle, and the cutting grooves are connected through a central groove of the grinding disc positioned at the center of the horizontal grinding surface.
Furthermore, the driving mechanism comprises a motor and a main shaft which are connected through a coupling, and the main shaft is coaxially connected with the feeding shaft after being assembled with the speed reducer.
The utility model provides a solid material continuous feeding and grinder of ejection of compact with adjustable, its preparation process of being applied to coal or mineral particles for obtain coal, the mineral particles of certain granularity. The utility model discloses avoided the collision between the metal object in the preparation process of coal sample, the device is small, and the noise is little during the working period, and sample preparation is efficient. Through the distance between the accurate adjustment abrasive surface, avoided the collision between the abrasive surface, can the maximum granularity of accurate control after grinding material granule simultaneously.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is an isometric view of an adjustable grinding device for continuously feeding and discharging solid materials, provided by an embodiment of the present invention;
fig. 2 is a front view of an adjustable grinding device for continuously feeding and discharging solid materials provided by the embodiment of the present invention;
fig. 3 is a top view of an adjustable grinding device for continuously feeding and discharging solid materials according to an embodiment of the present invention;
FIG. 4 is a sectional view A-A of FIG. 3;
fig. 5 is a right side view of the adjustable grinding device for continuously feeding and discharging solid materials provided in the embodiment of the present invention;
fig. 6 is an axonometric view of the grinding disc and the adjustable grinding disc in the grinding device for continuously feeding and discharging the adjustable solid material provided by the embodiment of the present invention.
Description of reference numerals:
1. a motor; 2. a coupling; 3. a speed reducer; 4. fixing the shaft sleeve; 5. a main shaft; 6. a feeding shaft; 7. feeding strips; 8. feeding a storage bin; 9. a feed aperture; 10. a grinding disk; 11. an adjustable abrasive disk; 12. frame fixing screws; 13. a grinding disc fastening nut; 14. fastening a screw handle; 15. adjusting screws of the grinding disc; 16. the distance adjusting screw is used for fastening the nut; 17. a distance adjusting screw handle; 18. adjusting a pitch screw; 19. a grinding chamber housing; 20. a discharge port; 21. a frame fixing nut; 22. roughly breaking teeth; 23. a feeding shaft bin; 24. a safety net;
101. cutting a groove; 102. cutting the side edge of the groove; 103. a central groove of the grinding disc; 104. and (5) horizontally grinding the surface.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
Referring to fig. 1 to 5, an adjustable grinding device for continuously feeding and discharging solid materials comprises:
a shell, the upper end of which is provided with a feed inlet; preferably, the feed inlet is covered with a safety net 24;
a grinding cavity shell 19 which is communicated with the shell through a feeding hole 9, and the lower end of the grinding cavity shell is provided with a discharge hole 20;
an abrasive disk 10, an adjustable abrasive disk 11, both disposed in the grinding chamber housing 19 in a coaxial and abrasive face-to-face configuration;
the feeding shaft 6 is driven by a driving mechanism to rotate and extends into the shell, is inserted into the grinding cavity shell 19 from the feeding hole 9 and is coaxially connected with the back of the grinding disc 10;
a feeding bar 7 spirally wound on an outer surface of the feeding shaft 6 in an axial direction;
the back of the adjustable grinding disc 11 is coaxially connected with a distance adjusting screw 18; the pitch screw 18 is screwed out of the grinding chamber housing 19 and is screwed into the pitch screw fastening nut 16.
The adjustable grinding device for continuously feeding and discharging the solid materials comprises the following grinding methods:
the feeding shaft 6 is driven to rotate through the driving mechanism, materials entering the shell are coarsely crushed through the feeding strips 7 on the feeding shaft 6, then the coarsely crushed materials are sent into the grinding disc 10 and the adjustable grinding disc 11 through the feeding holes 9, and the materials are further crushed through the relative rotation of the grinding disc 10 and the adjustable grinding disc 11.
Specifically, the adjustable grinding device for continuously feeding and discharging the solid materials comprises a motor 1, a coupler 2, a speed reducer 3, a fixed shaft sleeve 4, a main shaft 5, a feeding shaft 6, a feeding strip 7, a feeding storage bin 8, a grinding disc 10, an adjustable grinding disc 11, a frame fixing screw 12, a grinding disc fastening nut 13, a fastening screw handle 14, a grinding disc adjusting screw 15, a distance adjusting screw fastening nut 16, a distance adjusting screw handle 17, a distance adjusting screw 18, a grinding cavity shell 19, a frame fixing nut 21, coarse broken teeth 22, a feeding shaft bin 23 and a safety net 24.
Give storage silo 8 and feed shaft bin 23 and constitute the casing, give storage silo 8 wide from top to bottom and be down let hopper-shaped, should give storage silo 8 upper and lower end all to be equipped with the opening, and the upper end opening is the feed inlet, and it has safety net 24 to cover preferably on this feed inlet.
The safety net 24 is preferably a replaceable magnetic safety net that serves two functions: firstly, particles with overlarge particle size and foreign matters are prevented from entering the material feeding and storing bin 8; the second can be with foreign matter absorption such as iron wire, iron sheet in the material, avoids the foreign matter to get into and gives storage silo 8. When the broken material that has magnetism, removable for nonmagnetic safety net avoids adsorbing the material.
The upper end of the feeding shaft bin 23 is provided with an opening, and the lower end is an arc-shaped surface. The feeding shaft bin 23 is also wide at the top and narrow at the bottom, and two side walls are inclined at a certain angle. The feeding shaft bin 23 is arranged right below the feeding storage bin 8, and an upper end opening of the feeding shaft bin 23 is communicated with a lower end opening of the feeding storage bin 8.
The feeding shaft bin 23 is communicated with the grinding cavity shell 19 through a feeding hole 9, and the lower end of the grinding cavity shell 19 is provided with a discharge hole 20. The grinding cavity shell 19 is connected with the material feeding and storing bin 8 through a plurality of frame fixing screws 12 and frame fixing nuts 21.
An abrasive disk 10, an adjustable abrasive disk 11, both disposed in a coaxial, abrasive face-to-face configuration within the grinding chamber housing 19. As shown in fig. 6, the grinding disc 10 and the adjustable grinding disc 11 have the same shape and structure, and both of them mainly have a disc body. The disc body has a circular horizontal abrasive surface 104 on the outside. A plurality of concave cutting grooves 101 are provided between the horizontal abrasive surface 104 and the center of the disc body. One end of each cutting groove 101 is flush with the horizontal abrasive surface 104, and the other end gradually descends. The sides 102 of the cutting flutes are angled to facilitate the exchange of material between the different cutting flutes 101. And the individual cutting grooves are connected by an abrasive disc central groove 103 located at the center of the horizontal abrasive surface.
During the rotation of the grinding disk 10, the material gradually moves from the central part of the grinding disk 10 and the adjustable grinding disk 11 along the cutting grooves 101 to the horizontal grinding surface 104, and during this process, the material is cut by the side edges 102 of the cutting grooves while passing through the opposite cutting grooves 101. The inclined cutting groove side 102 also enables the stress of the materials to be gradually increased from small to large in the grinding process, and the possibility of material adhesion is reduced. The cutting grooves 101 also serve to temporarily store materials. The different cutting grooves 101 are interconnected by means of a grinding disc central groove 103. Through this abrasive disc central groove 103, the material that the difference cut between the groove 101 can be exchanged each other, is convenient for the mixture of material, improves the degree of consistency that the material ground. After the material is cut by the cutting groove side 102, the particle size gradually decreases, and then the material enters the horizontal grinding surface 104 on the outer side of the grinding disc 10 and the horizontal grinding surface 104 of the adjustable grinding disc 11, and the material particles are further ground by the extrusion action between the horizontal grinding surfaces 104.
As shown in fig. 4, the feeding shaft 6 is driven by the driving mechanism to rotate and extend into the housing, and is inserted into the grinding chamber housing 19 from the feeding hole 9 to be coaxially connected with the back surface of the grinding disc 10.
The driving mechanism comprises a motor 1 and a main shaft 5 which are connected through a coupler 2, and the main shaft 5 is coaxially connected with the feeding shaft 6 after being assembled with the speed reducer 3.
The feeding shaft 6 is arranged in the feeding shaft bin 23, and one end of the feeding shaft 6 penetrates out of the fixed shaft sleeve 4 on the feeding shaft bin 23 and then is coaxially connected with the main shaft 5. The other end of the feed shaft 6 is inserted into the grinding chamber housing 19 from the feed hole 9 to be coaxially connected to the rear surface of the grinding disk 10. The feed shaft 6 and the back of the grinding disk 10 can be connected by means of a screw connection.
The feeding bar 7 is spirally wound on the outer surface of the feeding shaft 6 in the axial direction. The outwardly protruding part of the feeding strip 7 is each spiral body (like an external thread structure), and the adjacent spiral bodies are equally spaced. In a modification, the outwardly projecting helix of the feed strip 7 is provided with coarse breaking teeth 22. The rough teeth 22 may be provided on each spiral body, or the rough teeth 22 may be provided after every certain number of spiral bodies. The tooth shape of the rough breaking tooth 22 may be any one of a rectangular shape, a cylindrical shape, a triangular pyramid shape, and a sawtooth shape.
The adjustable pitch screw 18 is coaxially connected with the back surface of the adjustable grinding disc 11, and the adjustable pitch screw 18 and the back surface of the adjustable grinding disc 11 can be connected in a threaded connection mode. The distance adjusting screw 18 is screwed out of the grinding chamber housing 19 and is in threaded connection with the distance adjusting screw fastening nut 16.
The part of the distance adjusting screw 18 extending out of the grinding cavity shell 19 is provided with a distance adjusting screw handle 17. The pitch screw knob 17 is inserted radially into the end of the pitch screw 18.
As shown in fig. 4, a plurality of grinding disc adjusting screws 15 are screwed into the grinding chamber housing 19 and abut against the back surface of the adjustable grinding disc 11, and the grinding disc adjusting screws 15 are uniformly arranged around the distance adjusting screws 18. Each grinding disc adjusting screw 15 is screwed with a grinding disc fastening nut 13, and a fastening screw handle 14 is arranged on the part of each grinding disc adjusting screw 15, which is arranged outside the grinding cavity shell 19. The fastening screw handle 14 is radially inserted into the end of the fastening screw handle 14.
According to the adjustable grinding device for continuously feeding and discharging the solid materials, the motor 1 is connected with the speed reducer 3 through the coupler 2, the speed reducer 3 is connected with the main shaft 5, and the main shaft 5 is connected with the feeding shaft 6. The main shaft 5 is externally provided with a fixed shaft sleeve 4, and the fixed shaft sleeve 4 is connected with a feeding shaft bin 23. A feeding shaft bin 23 is arranged below the feeding and storing bin 8, and the top end of the feeding shaft 6 is coaxially connected with the grinding disc 10. The grinding disc 10 and the adjustable grinding disc 11 are provided with a grinding cavity shell 19 outside.
The main shaft 5 is connected with a feeding shaft 6, the feeding shaft 6 is fixedly connected with a grinding disc 10, and a feeding hole 9 is formed between the feeding shaft 6 and the grinding disc 10. When the motor 1 rotates, the material enters the grinding chamber (hollow space inside the grinding chamber shell 19) through the feeding hole 9 under the driving of the feeding shaft 6.
The lower part of the feeding and storage bin 8 is provided with a feeding shaft bin 23, and a feeding shaft 6 is arranged in the feeding shaft bin 23. The wall of the storage bin 8 is inclined outwards at a certain angle, so that the material can fall to the position near the feeding shaft 6.
The feeding shaft bin 23 is internally provided with a feeding shaft 6, and a spiral-shaped feeding strip 7 is wound on the feeding shaft 6, wherein the feeding strip 7 can be distributed continuously or discontinuously. The feeding strip 7 is provided with a rough breaking tooth 22, and the rough breaking tooth 22 is in any shape of rectangle, cylinder, triangular cone, saw tooth and the like. The feeding shaft 6 drives the grinding disc 10 to rotate, and the material is conveyed into the grinding cavity by using the feeding strip 7 on the feeding shaft 6; by utilizing the feeding bar 7 and the coarse crushing teeth 22 on the feeding bar, the material is extruded by the feeding bar 7 and the coarse crushing teeth 22 in the conveying process, the granularity is gradually reduced, and the coarse crushing of the material is completed.
Give removable magnetism safety net 24 on the feed inlet of storage silo 8, can prevent that the too big granule of granularity, foreign matter from getting into, can also adsorb foreign matters such as iron wire, iron sheet in the material, avoid the foreign matter to get into grinding chamber and damage abrasive disc 10. When the broken material that has magnetism, removable for nonmagnetic safety net avoids adsorbing the material.
The adjustable grinding disc 11 is connected with a distance adjusting screw 18, and the distance adjusting screw 18 is moved by a distance adjusting screw handle 17 at the top of the distance adjusting screw 18, so that the gap between the adjustable grinding disc 11 and the grinding disc 10 is adjusted. The distance adjusting screw handle 17 can realize manual adjustment without other tools, and operation convenience is improved. The front section of the distance adjusting screw 18 is provided with a distance adjusting screw fastening nut 16, and the adjustable grinding disc 11 can be fixed on the grinding cavity shell 19 after the distance adjusting screw fastening nut 16 is screwed down, and the central part of the adjustable grinding disc 11 can be fixed at the same time.
The grinding chamber housing 19 is provided with a plurality of grinding disc adjusting screws 15. The grinding disc adjusting screw 15 is provided with a grinding disc fastening nut 13. Can adjust the distance between abrasive disc adjusting screw 15 and the adjustable abrasive disc 11 through fastening screw handle 14 to can finely tune the roughness between abrasive disc 10 and the adjustable abrasive disc 11, guarantee the stability in clearance between two abrasive discs, thereby guarantee the stability of mineral in grinding process. The fastening screw handle 15 can realize manual adjustment without other tools, and operation convenience is improved.
The grinding disc 10 and the adjustable grinding disc 11 are externally provided with a grinding cavity shell 19, and the grinding cavity shell 19 is connected with the material feeding bin 8 through a plurality of frame fixing screws 12 and frame fixing nuts 21.
The grinding disc 10 and the adjustable grinding disc 11 have the same shape and structure, and both of them use a disc body as a main body. As shown in fig. 6, one end surface of the disk body is a polished surface 105, and the end surface opposite to the polished surface 105 is a back surface. After the material enters between the two grinding surfaces, the material is extruded and ground by the grinding surfaces and is crushed into particles with the gap distance smaller than the two grinding surfaces. A plurality of recessed cutting faces 102 are uniformly arranged around the center of the disc body on the abrasive face 105. One end of each cutting face 102 is flush with the abrasive face 105 and the other end is gradually lowered. A groove 101 is formed between every two adjacent cutting surfaces 102, the adjacent cutting surfaces 102 and the groove 101 are in transition through a cutting surface side 104 which inclines towards the groove at a certain angle, and the gradually-inclined cutting surface side 104 enables materials to be gradually stressed in the grinding process, so that the possibility of adhesion of the materials is reduced. As the different sides 104 of the cutting surface move relative to one another, material is cut therebetween. The grooves 101 between the cutting surfaces 102 serve as temporary storage for material. Each groove 101 is connected through a grinding disc central groove 103 (conical groove) located at the center of the grinding surface 105, and through the central groove 103, materials among different grooves 101 can be exchanged, so that the materials can be mixed conveniently, and the grinding uniformity of the materials is improved.
The adjustable grinding device for continuously feeding and discharging solid materials has the following specific using method:
the distance between the adjustable grinding disk 11 and the grinding disk 10 is adjusted by loosening the distance adjusting screw fastening nut 16 and rotating 18 the distance adjusting screw through the distance adjusting screw handle 17. After the distance between the adjustable grinding disk 11 and the grinding disk 10 is adjusted, the distance adjusting screw fastening nut 16 is screwed. Loosening each grinding disk fastening nut 13, rotating the grinding disk adjusting screw 15 through the fastening screw handle 14, thereby adjusting the parallelism between the adjustable grinding disk 11 and the grinding disk 10, making the surface of the adjustable grinding disk 11 parallel to the surface of the grinding disk 10, and controlling the gap between the two grinding disks through the above process to obtain the mineral with the target granularity.
The adjustable grinding disk 11 is fixed on a grinding cavity shell 19 through an adjustable screw 18. The grinding cavity shell 19 is fixed with a shell consisting of a feeding shaft bin 23 and a feeding storage bin 8 through a frame fixing screw 12 and a frame fixing nut 21. After the materials are added into the feeding and storage bin 8, the materials are driven by the feeding strips 7 to gradually move towards the direction of the grinding disc 10, and in the moving process, the coarse crushing teeth 22 on the feeding strips 7 can perform coarse crushing (primary crushing) and primary crushing on the materials. The material enters the cavity between the adjustable grinding disk 11 and the grinding disk 10 through the feeding hole 9. The material is cut between the adjustable abrasive disk 11 and the abrasive disk 10 by the cutting surface 102 and ground at the abrasive surface 105. When the particles of material are smaller than the distance between the grinding surfaces 105, the material leaves the grinding chamber from the discharge opening 20. After the materials leaving the grinding cavity are screened by a drying screen with a specified screen mesh size, if oversize materials exist, the oversize materials can be added into the storage bin 8 again. The mineral particles meeting the particle size requirement are obtained by repeating the above process one or more times.
The adjustable grinding device for continuously feeding and discharging the solid materials is applied to the preparation process of coal or mineral particles and is used for obtaining the coal and mineral particles with certain particle sizes. The utility model discloses avoided the collision between the metal object in the preparation process of coal sample, the device is small, and the noise is little during the working period, and sample preparation is efficient. Through the distance between the accurate adjustment abrasive surface, avoided the collision between the abrasive surface, can the maximum granularity of accurate control after grinding material granule simultaneously.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (9)
1. The utility model provides a grinder of continuous pan feeding of solid material and ejection of compact with adjustable which characterized in that includes:
a shell, the upper end of which is provided with a feed inlet;
the grinding cavity shell is communicated with the shell through a feeding hole, and a discharging hole is formed in the lower end of the grinding cavity shell;
the grinding disc and the adjustable grinding disc are arranged in the grinding cavity shell in a coaxial and grinding surface opposite structure;
the feeding shaft is driven by the driving mechanism to rotate and extends into the shell to be inserted into the grinding cavity shell from the feeding hole to be coaxially connected with the back surface of the grinding disc;
a feeding bar spirally wound on an outer surface of the feeding shaft in an axial direction;
the distance adjusting screw is coaxially connected with the back surface of the adjustable grinding disc; the distance adjusting screw is screwed out of the grinding cavity shell and then is in threaded connection with a fastening nut of the distance adjusting screw.
2. The adjustable grinding device for continuously feeding and discharging solid materials according to claim 1, wherein the shell comprises a feeding storage bin and a feeding shaft bin which are communicated, the feeding storage bin is provided with the feeding hole at the upper end, and the feeding shaft bin is communicated with the grinding cavity shell through a feeding hole; the feeding shaft extends into the feeding shaft bin and is inserted into the grinding cavity shell from the feeding hole to be coaxially connected with the back of the grinding disc.
3. The adjustable grinding device for continuously feeding and discharging solid materials according to claim 2, wherein the grinding chamber housing is connected with the feeding storage bin through a plurality of frame fixing screws and frame fixing nuts.
4. The adjustable grinding device for continuously feeding and discharging solid materials according to claim 1, wherein a distance adjusting screw handle is arranged on a part of the distance adjusting screw, which extends out of the grinding cavity shell.
5. The adjustable continuous solid material charging and discharging grinding apparatus of claim 1, wherein a plurality of grinding disc adjusting screws are screwed into the grinding chamber housing and abut against the back surface of the adjustable grinding disc, each grinding disc adjusting screw is screwed with a grinding disc fastening nut, and a fastening screw handle is mounted on a portion of each grinding disc adjusting screw outside the grinding chamber housing.
6. The adjustable continuous solid material feeding and discharging grinding device as claimed in claim 1, wherein the outwardly projecting helical body of the feeding bar is provided with coarse teeth.
7. The adjustable grinding device for continuously feeding and discharging solid materials as claimed in claim 6, wherein the tooth shape of the rough breaking tooth is any one of a rectangle, a cylinder, a triangular pyramid and a sawtooth.
8. The adjustable grinding device for continuously feeding and discharging solid materials according to claim 1, wherein the grinding disc and the adjustable grinding disc have the same shape and structure, and both of the grinding disc and the adjustable grinding disc take a disc body as a main body; the outer side of the disc body is provided with a circle of horizontal grinding surface; a plurality of sunken cutting grooves are arranged between the horizontal grinding surface and the center of the disc body; one end of each cutting groove is flush with the horizontal grinding surface, and the other end of each cutting groove gradually descends; the side edge of each cutting groove is inclined at a certain angle, and the cutting grooves are connected through a central groove of the grinding disc positioned at the center of the horizontal grinding surface.
9. The adjustable grinding device for continuously feeding and discharging the solid materials as claimed in any one of claims 1 to 8, wherein the driving mechanism comprises a motor and a main shaft which are connected through a coupling, and the main shaft is coaxially connected with the feeding shaft after being assembled with the speed reducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022893952.4U CN213914048U (en) | 2020-12-02 | 2020-12-02 | Adjustable grinding device for continuous feeding and discharging of solid materials |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022893952.4U CN213914048U (en) | 2020-12-02 | 2020-12-02 | Adjustable grinding device for continuous feeding and discharging of solid materials |
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| CN213914048U true CN213914048U (en) | 2021-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022893952.4U Active CN213914048U (en) | 2020-12-02 | 2020-12-02 | Adjustable grinding device for continuous feeding and discharging of solid materials |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112547206A (en) * | 2020-12-02 | 2021-03-26 | 英飞智信(北京)科技有限公司 | Adjustable grinding method and device for continuous feeding and discharging of solid materials |
| CN114178006A (en) * | 2021-11-08 | 2022-03-15 | 煤科院节能技术有限公司 | Fine grinding machine |
-
2020
- 2020-12-02 CN CN202022893952.4U patent/CN213914048U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112547206A (en) * | 2020-12-02 | 2021-03-26 | 英飞智信(北京)科技有限公司 | Adjustable grinding method and device for continuous feeding and discharging of solid materials |
| CN114178006A (en) * | 2021-11-08 | 2022-03-15 | 煤科院节能技术有限公司 | Fine grinding machine |
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