CN114226009A - Civil engineering uses intelligent stone crusher - Google Patents
Civil engineering uses intelligent stone crusher Download PDFInfo
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- CN114226009A CN114226009A CN202111558731.4A CN202111558731A CN114226009A CN 114226009 A CN114226009 A CN 114226009A CN 202111558731 A CN202111558731 A CN 202111558731A CN 114226009 A CN114226009 A CN 114226009A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C2/00—Crushing or disintegrating by gyratory or cone crushers
- B02C2/10—Crushing or disintegrating by gyratory or cone crushers concentrically moved; Bell crushers
Abstract
The invention relates to the field of crushing equipment, in particular to an intelligent stone crusher for civil engineering, which comprises a base, wherein a central shaft is fixed on the base, an inner grinding cylinder is sleeved on an upper shaft body of the central shaft, an active grinding cylinder is sleeved outside the inner grinding cylinder, and a first grinding chamber for grinding materials is formed between the outer wall of the inner grinding cylinder and the inner wall of the active grinding cylinder; a middle shaft body of the central shaft is sleeved with a driven grinding cylinder, and an external grinding cylinder is sleeved outside the driven grinding cylinder; a second grinding chamber for grinding materials is formed between the inner wall of the external grinding cylinder and the outer wall of the driven grinding cylinder; the crusher can generate different grinding forces according to different particle sizes of materials, and the grinding distance of the first grinding chamber and the second grinding chamber is adjusted in a self-adaptive mode according to the different grinding forces, so that the purposes of adapting to the materials with different particle sizes are achieved, and the overall grinding quality is not influenced; meanwhile, the damage rate of the machine is reduced, and the normal service life of the machine is ensured.
Description
Technical Field
The invention relates to the field of crushing equipment, in particular to an intelligent stone crusher for civil engineering.
Background
A stone crusher is a tool commonly used in construction engineering, which can crush larger stones into smaller stones. In the building construction process, often need use specific size building stones, just need the processing personnel to mainly adopt the stone breaker to break into the building stones this moment.
When need grind the breakage to the stone in actual civil engineering work progress, because drop into the stone and have the condition that the particle diameter is not of uniform size. And traditional grinding crusher can only grind the breakage according to the stone size of setting for, can't adapt to the stone that the particle diameter is not of uniform size. Simultaneously because the reason that the earlier stage material is not of uniform size can produce the damage condition of difference to broken cavity, lead to crushing efficiency low, long this past, the life of breaker can shorten.
Disclosure of Invention
The invention provides an intelligent stone crusher for civil engineering, which aims to solve the problems that the existing grinding crusher cannot adapt to materials with different particle sizes and the crusher is damaged due to uneven sizes of the materials.
The invention adopts the following technical scheme:
an intelligent stone crusher for civil engineering comprises a base, wherein a central shaft is fixedly connected to the base, and the central shaft is divided into an upper shaft body, a middle shaft body and a lower shaft body from top to bottom;
the upper shaft body is sleeved with an internal grinding cylinder, and the outer wall of the upper shaft body is in matched connection with a first sliding block fixedly connected to the inner wall of the internal grinding cylinder through an upper spiral groove; the bottom of the inner grinding cylinder is fixedly connected with a middle shaft sleeve sleeved on the middle shaft body, a middle spiral groove is formed in the middle shaft sleeve, the middle spiral groove penetrates through a vertical gear fixedly connected to the middle shaft body and is in sliding connection with the vertical gear, and the spiral direction and the thread pitch of the middle spiral groove and the thread pitch of the upper spiral groove are the same;
an active grinding cylinder is sleeved outside the internal grinding cylinder, the bottom of the active grinding cylinder is connected with a first circular ring sleeved on the middle shaft sleeve through a connecting pipe, and the bottom of the first circular ring is meshed and connected with a vertical gear through a first annular rack;
a second circular ring is sleeved on the intermediate shaft sleeve below the vertical gear, a driven grinding drum is fixedly connected to the side wall of the top of the second circular ring, and the top plane of the second circular ring is meshed with the vertical gear through a second annular rack;
an external grinding cylinder is sleeved outside the driven grinding cylinder, the external grinding cylinder is connected with a bottom ring sleeved on the middle shaft sleeve through a connecting piece, the inner wall of the bottom ring is in matched connection with one of a plurality of lower spiral grooves formed in the outer wall of the lower shaft body through a second sliding block fixedly connected with the bottom ring, and the thread pitches of the plurality of lower spiral grooves are different from those of the upper spiral groove;
the bottom of the middle shaft sleeve is movably connected with the top of the bottom circular ring through a movable connecting piece; a material guiding device is connected between the driving grinding cylinder and the driven grinding cylinder; the grinding surface of the inner grinding cylinder is conical;
the crusher also comprises a fixed frame, wherein a driving motor is fixedly connected to the fixed frame, and an output shaft of the driving motor is connected with the driving grinding cylinder through a synchronous belt;
the grinding device comprises a driving grinding cylinder, a supporting frame and a supporting ring, wherein the supporting frame is fixed on the fixing frame, the supporting ring is fixedly connected to the supporting frame, and the supporting ring is sleeved in an annular groove in the outer wall of the driving grinding cylinder and is rotationally connected with the annular groove.
Furthermore, the movable connecting piece comprises a third ring fixedly connected to the middle shaft sleeve, and a plurality of first connecting columns are uniformly and fixedly connected to the bottom of the third ring at intervals;
the connecting column sleeve is fixedly connected to the upper surface of the bottom circular ring and is in matched connection with each first connecting column, and a pressure spring is fixedly connected in each connecting column sleeve;
in an initial state, each first connecting column is located in the corresponding connecting column sleeve and is abutted to the corresponding pressure spring.
Furthermore, the material guiding device comprises a material guiding plate sleeved on the bottom of the inner grinding cylinder, the edge of the material guiding plate is connected with a connecting ring through a plurality of second connecting columns, a material discharging barrel is sleeved on the connecting ring, and the material discharging barrel is in matched sliding connection with a spline column correspondingly fixed on the outer wall of the connecting ring through a spline groove formed in the inner wall of the material discharging barrel; a plurality of discharge ports are formed in the outer wall of the discharge barrel;
the bottom of the material guiding plate is in contact with a flange arranged on the bottommost part of the internal grinding cylinder, and the connecting pipe penetrates through the material guiding plate and is in sliding connection with the material guiding plate;
the top fixedly connected with first shape of falling T-block of ejection of compact bucket, the shape of falling T-block is connected with the shape of falling T-groove cooperation that initiative grinding barrel head portion was seted up, and bottom fixedly connected with second shape of falling T-block, the shape of falling T-block cooperation that sets up on second shape of falling T-block and the driven grinding barrel is connected.
Furthermore, the material guiding plate is of a conical structure with a narrow upper part and a wide lower part.
Further, each discharge hole is of a triangular structure with a narrow lower part and a wide upper part.
Furthermore, the outer walls of the inner grinding cylinder and the outer grinding cylinder are fixedly connected with grinding bulges for enhancing the grinding force.
Furthermore, a screening cylinder is arranged below the bottom circular ring, the bottom of the screening cylinder is fixedly connected with the base, and a filter screen is installed in the screening cylinder;
the outer wall of the external grinding cylinder is provided with a plurality of material returning holes, a material returning cylinder is sleeved outside the external grinding cylinder and fixedly connected with a fixing frame, and the upper part of the fixing frame is fixedly connected with a driving motor;
the bottom of the external grinding cylinder is communicated with a material collecting cylinder, a material discharging pipe penetrates through the material collecting cylinder, and a material outlet of the material discharging pipe is positioned above the filter screen;
the return material cylinder is communicated with the screening cylinder through a return material pipe, the upper opening of the return material pipe is communicated with the return material cylinder, and the lower opening of the return material pipe is communicated with the outer wall of the screening cylinder positioned on the filter screen.
Furthermore, a discharge pipe is communicated with the outer wall of the screening cylinder below the filter screen.
Further, the pitch of the upper spiral groove is larger than that of the lower spiral groove.
The invention has the beneficial effects that: according to the invention, in an initial state before the materials are put, the second sliding block on the bottom ring is arranged at the top end of the lower spiral groove, meanwhile, the bottom of the middle shaft sleeve and the top of the bottom ring are in a connected state through the movable connecting piece, then the driving motor is electrified to start the driving motor, the driving motor is started to drive the output shaft to rotate, the output shaft rotates to drive the driving grinding cylinder to rotate through the synchronous belt, then the materials are put in, and the materials are temporarily stopped between the driving grinding cylinder and the inner grinding cylinder through the material guiding device to be ground;
when the particle size of the material is large, the material can be accumulated in the driving grinding cylinder and the internal grinding cylinder, meanwhile, the driving motor rotates clockwise to drive the driving grinding cylinder to rotate clockwise, the driving grinding cylinder rotates clockwise to drive the first circular ring to rotate clockwise, the first circular ring rotates clockwise to drive the first annular rack to rotate clockwise, the first annular rack rotates clockwise to stir the vertical gear to rotate, the vertical gear rotates to drive the second annular rack to rotate counterclockwise, the second annular rack rotates counterclockwise to drive the second circular ring to rotate counterclockwise, and the second circular ring rotates counterclockwise to drive the driven grinding cylinder to rotate counterclockwise; the driving grinding cylinder rotates clockwise to give a large clockwise force to materials in the driving grinding cylinder and the inner grinding cylinder, the materials in the driving grinding cylinder and the inner grinding cylinder stir the inner grinding cylinder to rotate anticlockwise to extrude and crush the materials, the driving grinding cylinder can generate a large clockwise grinding force, and the driven grinding cylinder can generate a small anticlockwise grinding force, so that the inner grinding cylinder not only rotates, but also spirally rises along the upper spiral groove through the first sliding block; at the moment, the external grinding cylinder can do circular motion at the top of the lower spiral groove and cannot rise, the internal grinding cylinder rises spirally to drive the middle shaft sleeve to rise spirally along the middle spiral groove, and the middle shaft sleeve is separated from the bottom ring through a movable connecting piece at the bottom; the inner grinding cylinder rises, so that the grinding distance between the inner grinding cylinder and the active grinding cylinder is opened, the grinding force is dispersed, the inner grinding cylinder and the active grinding cylinder are effectively prevented from being damaged due to large particle size of materials, and the discharging quality in the active grinding cylinder and the inner grinding cylinder is reduced; the materials in the driving grinding cylinder and the inner grinding cylinder are gradually led into the driven grinding cylinder and the outer grinding cylinder through the material leading device in the primary grinding process, the materials entering the driven grinding cylinder and the outer grinding cylinder are extruded and crushed again through the driven grinding cylinder and the outer grinding cylinder, the grinding force in the driving grinding cylinder and the inner grinding cylinder and the grinding force in the driven grinding cylinder and the outer grinding cylinder are dispersed, so that the driving grinding cylinder and the inner grinding cylinder as well as the driven grinding cylinder and the outer grinding cylinder are in a more balanced grinding state, and the materials are effectively prevented from damaging the whole crusher;
on the contrary, when the particle size of the input material is smaller, the driving motor rotates clockwise to drive the driving grinding cylinder to rotate clockwise, the driving grinding cylinder rotates clockwise to drive the first circular ring to rotate clockwise, the first circular ring rotates clockwise to drive the first annular rack to rotate clockwise, the first annular rack rotates clockwise to stir the vertical gear to rotate, the vertical gear rotates to drive the second annular rack to rotate counterclockwise, the second annular rack rotates counterclockwise to drive the second circular ring to rotate counterclockwise, and the second circular ring rotates counterclockwise to drive the driven grinding cylinder to rotate counterclockwise; the grinding time of the materials in the driving grinding cylinder and the internal grinding cylinder is short, the materials cannot be accumulated in the driving grinding cylinder and the internal grinding cylinder, the materials can quickly fall onto the material guiding device through the driving grinding cylinder and the internal grinding cylinder, and the materials give downward force to the material guiding device under the action of gravity, so that the internal grinding cylinder not only rotates, but also spirally descends along the upper spiral groove through the first sliding block; due to the fact that the particle size of the materials is small, the speed of the material guiding device is higher, the materials entering the driven grinding cylinder and the external grinding cylinder are increased to form accumulation, at the moment, the grinding force of the materials for the external grinding cylinder is increased, the anticlockwise grinding force in the driven grinding cylinder and the external grinding cylinder is larger than the clockwise grinding force in the driving grinding cylinder and the internal grinding cylinder, the external grinding cylinder rotates clockwise and descends along a lower spiral groove under the action of the gravity of the materials, the grinding distance between the internal grinding cylinder and the driving grinding cylinder is shortened, and the discharging quality in the driving grinding cylinder and the internal grinding cylinder is improved; the grinding space between the external grinding cylinder and the driven grinding cylinder can be pulled open, so that the discharging quality in the external grinding cylinder and the driven grinding cylinder is reduced, the whole crushing chamber is in a more balanced grinding state, and the whole crusher is effectively prevented from being damaged by materials;
in conclusion, different grinding forces can be generated according to different particle sizes of materials, and the grinding distance of the first grinding chamber and the second grinding chamber can be adjusted in a self-adaptive mode according to the different grinding forces, so that the materials with different particle sizes can be adapted, and the overall grinding quality cannot be influenced; meanwhile, the grinding force in the two grinding chambers is adjusted and balanced in a self-adaptive mode, so that the crusher can work within a rated power range all the time, the damage rate of the crusher is reduced, and the normal service life of the crusher is guaranteed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic structural view of FIG. 1 with the fixing frame, the base, the motor, the synchronous belt, the material returning pipe, the material returning cylinder, the screening cylinder, the material discharging pipe and the material discharging pipe removed;
FIG. 3 is a schematic view of the present invention taken from FIG. 2, with the external grinding cylinder, the driven grinding cylinder and the guiding device removed;
FIG. 4 is an exploded view of FIG. 3 of the present invention;
FIG. 5 is a schematic view of the present invention with the external grinding vessel and the material guiding device removed from FIG. 2;
FIG. 6 is a cross-sectional view taken along plane B-B of FIG. 5 in accordance with the present invention;
FIG. 7 is an enlarged view of the area X of FIG. 6 in accordance with the present invention;
FIG. 8 is a schematic view of the present invention with the active grinding cylinder, the inner grinding cylinder and the guiding device removed from FIG. 2;
FIG. 9 is an exploded view of FIG. 8 of the present invention;
FIG. 10 is a cross-sectional view of FIG. 1 in accordance with the present invention;
FIG. 11 is an exploded view of the priming device of FIG. 1 in accordance with the present invention;
FIG. 12 is a cross-sectional view of FIG. 2 in accordance with the present invention;
FIG. 13 is an enlarged view of the area Y of FIG. 12 in accordance with the present invention;
in the figure: 1. a drive motor; 2. a fixed mount; 3. a synchronous belt; 4. an active grinding cylinder; 401. a connecting pipe; 403. a first annular rack; 5. an inner grinding cylinder; 6. a base; 7. an outer grinding cylinder; 8. returning the material barrel; 9. a screening drum; 10. a material returning pipe; 11. a discharge pipe; 12. a central shaft; 13. a discharge pipe; 14. a driven grinding drum; 141. a second annular rack; 21. a discharging barrel; 22. a second connecting column; 23. spline posts; 24. a fuse plate; 301. a first connecting column; 302. connecting the column sleeve; 303. a second slider; 203. a vertical gear; 402. a material returning hole; 501. a support frame; 502. and (3) supporting the ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
According to the embodiment of the intelligent stone crusher for civil engineering, as shown in fig. 1, the stone crusher comprises a fixed frame 2 fixed on the ground, a driving motor 1 is fixed at the top of the fixed frame 2 through bolts, an output shaft of the driving motor 1 is vertically arranged upwards, and a rotating disc is fixedly connected to the output shaft of the driving motor 1.
The novel bearing support is characterized by further comprising a base 6, wherein a central shaft 12 is welded at the center of the base 6, and the central shaft 12 is divided into an upper shaft body, a middle shaft body and a lower shaft body from top to bottom.
Referring to fig. 2-4, an inner grinding cylinder 5 is sleeved on an upper shaft body of a central shaft 12, a plurality of grinding protrusions which are uniformly spaced are welded on the outer wall of the inner grinding cylinder 5, and the central shaft 12 is in fit connection with a first sliding block fixedly connected to the inner wall of the inner grinding cylinder 5 through an upper spiral groove formed in the outer wall of the upper shaft body; the bottom of the inner grinding cylinder 5 is fixedly connected with a middle shaft sleeve sleeved on the middle shaft body, a middle spiral groove which penetrates through and is fixedly connected with a vertical gear 203 on the middle shaft body is formed in the middle shaft sleeve, the spiral directions of the middle spiral groove and the upper spiral groove are both upwards in a spiral manner, and the thread pitches of the middle spiral groove and the upper spiral groove are the same; the bottom welding of middle axle sleeve has the third ring, and the even interval fixedly connected with four first spliced poles 301 in the bottom of third ring. An inverted cone-shaped driving grinding cylinder 4 is sleeved outside the internal grinding cylinder 5, a rotating track is fixedly connected to the outer wall of the driving grinding cylinder 4, the rotating track is connected with a rotating disc through a synchronous belt 3, the bottom of the driving grinding cylinder 4 is connected with a first circular ring sleeved on the middle shaft sleeve through a plurality of connecting pipes 401, and the first circular ring is meshed and connected with a vertical gear 203 through a first annular rack 403 with the bottom; a first grinding chamber for grinding materials is formed between the outer wall of the internal grinding cylinder 5 in the inverted cone structure and the inner wall of the driving grinding cylinder 4.
The outer wall of the driving grinding cylinder 4 is provided with an annular groove, the annular groove is connected with a support ring 502 in a rotating mode, the support ring 502 is welded with a support frame 501, the support frame 501 is fixedly connected with the fixing frame 2, and the driving grinding cylinder 4 can rotate and can be supported through the support of the support frame 501 and the support ring 502.
Referring to fig. 5-7, a second circular ring is sleeved on the intermediate shaft sleeve below the first circular ring, an inverted cone-shaped driven grinding cylinder 14 is fixedly connected to the side wall of the top of the second circular ring, and the top plane of the second circular ring is meshed with the vertical gear 203 through a second annular rack 141 arranged on the top plane of the second circular ring.
Referring to fig. 8-10, the driven grinding drum 14 is externally sleeved with an external grinding drum 7, and a second grinding chamber for grinding materials is formed between the inner wall of the external grinding drum 7 and the outer wall of the driven grinding drum 14. The external grinding cylinder 7 comprises an inverted cone-shaped upper body and a circular lower body, wherein evenly spaced material returning holes 402 are formed in the outer wall of the lower body, a material collecting cylinder is communicated with the bottom of the lower body, a material discharging pipe 13 is installed in the material collecting cylinder in a penetrating mode, the bottom of the lower body outside the material collecting cylinder is connected with a bottom circular ring sleeved on a middle shaft sleeve through a connecting piece, the bottom circular ring is connected with one lower spiral groove of six lower spiral grooves formed in the outer wall of the lower shaft body in a matched mode through a second sliding block 303 fixedly connected to the inner wall of the bottom circular ring, and the thread pitches of the six lower spiral grooves are smaller than those of the upper spiral grooves. In the initial rotation state, the second slider 303 is located at the uppermost end of the lower spiral groove, and six reasons are set for the second slider 303 to be capable of flexibly selecting any one lower spiral groove to spirally descend from top to bottom. The upper surface of the bottom ring is welded with a connecting column sleeve 302 which is matched and connected with each first connecting column 301, and a pressure spring is fixedly connected in each connecting column sleeve 302; in the initial state, each first connection post 301 is located in the corresponding connection post sleeve 302 and abuts against the corresponding compression spring. Guaranteed that two grinding vessel move with having enough to meet the need, it is the purpose to set up the pressure spring, when beginning slowly input material, first grinding chamber and second grinding chamber also can produce different grinding power, the chamber at this moment in have not reached rated operating condition, even the little material is many this moment, also do not need inside grinding vessel 5 and outside grinding vessel 7 to take place to reciprocate, only input material reaches normal standard, the grinding power that produces this moment and can overcome the pressure of pressure spring completely, the grinding vessel just has the trend of reciprocating.
A material returning barrel 8 is sleeved outside the lower body, and the material returning barrel 8 is fixedly connected with the fixing plate 2; be located and be provided with a screening section of thick bamboo 9 under row material pipe 13, screening section of thick bamboo 9 passes through support column and base fixed connection, installs the filter screen in the screening section of thick bamboo 9, and the filter screen is located row material pipe 13 discharge gate under, and the intercommunication has return pipe 10 on the screening section of thick bamboo 9 outer wall that is located the filter screen top, and return pipe 10 is the U-shaped, and the last mouthful of return pipe 10 is located the top of returning material section of thick bamboo 8, and the fixed intercommunication has discharging pipe 11 on the screening section of thick bamboo 9 outer wall that is located the filter screen below. The material suction device is installed in the material returning pipe 10, and the material suction device is the same as the existing wheat suction device, and the technology is the prior art and is not described herein again. The material that has ground from the second grinding chamber can be through arranging material pipe 13 and leading-in screening section of thick bamboo 9 with the material, and the material that qualifies this moment can be followed discharging pipe 11 after being sieved and removed, and unqualified material can return to and continue grinding in returning feed cylinder 8 through returning material pipe 10, directly arranges the second grinding chamber with the material that needs to return, prevents to pass through from first grinding chamber and produce the over-grinding phenomenon. The discharge gate of return feed cylinder 8 top corresponds the bottom of return hole 402 on outside grinding vessel 7 outer wall under initial condition, and when outside grinding vessel 7 descends, the discharge gate on the return feed cylinder 8 can correspond the return hole on upper portion gradually, reduces the returning charge number of times.
Referring to fig. 10 and 11, a material guiding device for supporting the material to be ground in the first grinding chamber and guiding the material into the second grinding chamber is arranged between the driving grinding cylinder 4 and the driven grinding cylinder 14; the material guiding device comprises a material guiding plate 24 sleeved at the bottom of the inner grinding cylinder 5, the material guiding plate 24 is of a conical structure with a narrow upper part and a wide lower part, and materials falling on the material guiding plate 24 can be conveniently and quickly guided out. The edge of the material guiding plate 24 is connected with a connecting ring through a plurality of second connecting columns 22, a material discharging barrel 21 is sleeved on the connecting ring, and the material discharging barrel 21 is matched and slidably connected with a spline column 23 correspondingly fixed on the outer wall of the connecting ring through a spline groove formed in the inner wall of the material discharging barrel; a plurality of discharge ports are arranged on the outer wall of the discharge barrel 23, and each discharge port is of a triangular structure which is narrow at the bottom and wide at the top.
Referring to fig. 12 and 13, the bottom of the feed pin 24 is in contact with a flange provided on the lowermost portion of the inner grinding vessel 5, and the connection pipe 401 penetrates the feed pin plate 24 and is slidably connected to the feed pin plate 24. The top of the discharging barrel 21 is contacted with the bottom of the driving grinding barrel 4, and the bottom is contacted with the driven grinding barrel 14, so that the discharging barrel 21 is fixed.
Go out the first shape of falling T-block of top fixedly connected with of storage bucket 21, the shape of falling T-block is connected with the shape of falling T-groove cooperation that 4 bottoms of initiative grinding vessel were seted up, and bottom fixedly connected with second shape of falling T-block, the shape of falling T-groove cooperation that sets up on second shape of falling T-block and the driven grinding vessel 14 is connected.
The working process is as follows: according to the invention, the second slide block 303 on the bottom ring is arranged at the top end of the lower spiral groove in an initial state before materials are put in, meanwhile, the bottom of the middle shaft sleeve is connected with the top of the bottom ring, then the driving motor 1 is electrified to start the driving motor 1, the driving motor 1 is started to drive the output shaft to rotate, the output shaft rotates to drive the driving grinding cylinder 4 to rotate through the synchronous belt 3, then the materials are put in, and the materials are temporarily stopped in the first grinding chamber through the material guiding device to be ground.
When the particle size of the material is large, the material is accumulated in the first grinding chamber, meanwhile, the driving motor 1 rotates clockwise to drive the driving grinding cylinder 4 to rotate clockwise, the driving grinding cylinder 4 rotates clockwise to drive the first ring to rotate clockwise, the first ring rotates clockwise to drive the first annular rack 403 to rotate clockwise, the first annular rack 403 rotates clockwise to stir the vertical gear 203 to rotate, the vertical gear 203 rotates to drive the second annular rack 141 to rotate counterclockwise, the second annular rack 141 rotates counterclockwise to drive the second ring to rotate counterclockwise, and the second ring rotates counterclockwise to drive the driven grinding cylinder 14 to rotate counterclockwise; the driving grinding cylinder 4 rotates clockwise to provide clockwise force for materials in the first grinding cavity, the materials in the first grinding cavity stir the internal grinding cylinder to rotate anticlockwise to extrude and crush the materials, the driving grinding cylinder 4 can generate a large clockwise grinding force, and the driven grinding cylinder 14 can generate a small anticlockwise grinding force, so that the internal grinding cylinder 4 not only rotates, but also spirally rises along the upper spiral groove through the first sliding block; at this moment, the external grinding cylinder 7 can do circular motion at the top of the lower spiral groove and cannot rise, the internal grinding cylinder 4 rises spirally to drive the middle shaft sleeve to rise spirally along the middle spiral groove, the distance between the first connecting column 301 and the connecting column sleeve 302 can be pulled away, and the pressure spring between the first connecting column and the connecting column sleeve can not be stressed. When the internal grinding cylinder 5 rises, the grinding distance between the internal grinding cylinder 5 and the active grinding cylinder 4 is pulled away, and the grinding discharge quality of the first chamber is reduced. Because the guide plate 24 can reciprocate along the center axis along with inside grinding vessel 5 together, and spline post 23 and the interval of drawing between the material plate 24 are ejection of compact height, when drawing material plate 24 to rise, ejection of compact height corresponds the area of falling triangle-shaped on ejection of compact section of thick bamboo 21 at the grow, and the velocity of flow of the material that flows into the second grinding chamber from first grinding chamber this moment can accelerate. The material in the first grinding chamber is leading-in to the second grinding chamber through drawing the material device to carry out the extrusion breakage again through driven grinding vessel and outside grinding vessel gradually with the material after the preliminary grinding in-process of preliminary grinding, has disperseed the grinding power in first grinding chamber and the second grinding chamber for first grinding chamber and second grinding chamber are in more balanced grinding state, effectively avoid the whole breaker of material damage.
On the contrary, when the particle size of the input material is smaller, the driving motor 1 rotates clockwise to drive the driving grinding cylinder 4 to rotate clockwise, the driving grinding cylinder 4 rotates clockwise to drive the first circular ring to rotate clockwise, the first circular ring rotates clockwise to drive the first annular rack 403 to rotate clockwise, the first annular rack 403 rotates clockwise to stir the vertical gear 203 to rotate, the vertical gear 203 rotates to drive the second annular rack 141 to rotate counterclockwise, the second annular rack 141 rotates counterclockwise to drive the second circular ring to rotate counterclockwise, and the second circular ring rotates counterclockwise to drive the driven grinding cylinder 14 to rotate counterclockwise; the grinding time of the materials in the first grinding chamber is short, the materials cannot be accumulated in the first grinding chamber, the materials can quickly fall onto the material guiding plate 24 through the first grinding chamber, and under the action of gravity, the materials give downward force to the material guiding plate 24, so that the inner grinding cylinder 4 not only rotates, but also spirally descends along the upper spiral groove through the first sliding block; due to the fact that the particle size of the materials is small, the speed of the materials passing through the material guiding plate 24 is higher, the materials entering the second grinding chamber are increased to form accumulation, at the moment, the grinding force of the materials for the external grinding cylinder 7 is increased, the anticlockwise grinding force in the second grinding chamber can be larger than the clockwise grinding force in the first grinding chamber, the external grinding cylinder 7 enables the external grinding cylinder 7 to rotate clockwise and descend along the lower spiral groove under the action of the gravity of the materials, the grinding distance between the internal grinding cylinder 5 and the active grinding cylinder 4 can be shortened, and the discharging quality in the first grinding chamber is improved; the grinding interval between the external grinding cylinder 7 and the driven grinding cylinder 14 can be pulled open, the discharging quality in the second grinding chamber is reduced, the whole crushing chamber is in a more balanced grinding state, and the whole crusher is effectively prevented from being damaged by materials.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. The utility model provides an intelligent stone crusher for civil engineering which characterized in that: the device comprises a base, wherein a central shaft is fixedly connected to the base, and the central shaft is divided into an upper shaft body, a middle shaft body and a lower shaft body from top to bottom;
the upper shaft body is sleeved with an internal grinding cylinder, and the outer wall of the upper shaft body is in matched connection with a first sliding block fixedly connected to the inner wall of the internal grinding cylinder through an upper spiral groove; the bottom of the inner grinding cylinder is fixedly connected with a middle shaft sleeve sleeved on the middle shaft body, a middle spiral groove is formed in the middle shaft sleeve, the middle spiral groove penetrates through a vertical gear fixedly connected to the middle shaft body and is in sliding connection with the vertical gear, and the spiral direction and the thread pitch of the middle spiral groove and the thread pitch of the upper spiral groove are the same;
an active grinding cylinder is sleeved outside the internal grinding cylinder, the bottom of the active grinding cylinder is connected with a first circular ring sleeved on the middle shaft sleeve through a connecting pipe, and the bottom of the first circular ring is meshed and connected with a vertical gear through a first annular rack;
a second circular ring is sleeved on the intermediate shaft sleeve below the vertical gear, a driven grinding drum is fixedly connected to the side wall of the top of the second circular ring, and the top plane of the second circular ring is meshed with the vertical gear through a second annular rack; an external grinding cylinder is sleeved outside the driven grinding cylinder, the external grinding cylinder is connected with a bottom ring sleeved on the middle shaft sleeve through a connecting piece, the inner wall of the bottom ring is in matched connection with one of a plurality of lower spiral grooves formed in the outer wall of the lower shaft body through a second sliding block fixedly connected with the bottom ring, and the thread pitches of the plurality of lower spiral grooves are different from those of the upper spiral groove;
the bottom of the middle shaft sleeve is movably connected with the top of the bottom circular ring through a movable connecting piece; a material guiding device is connected between the driving grinding cylinder and the driven grinding cylinder; the grinding surface of the inner grinding cylinder is conical;
the crusher also comprises a fixed frame, wherein a driving motor is fixedly connected to the fixed frame, and an output shaft of the driving motor is connected with the driving grinding cylinder through a synchronous belt;
the grinding device comprises a driving grinding cylinder, a supporting frame and a supporting ring, wherein the supporting frame is fixed on the fixing frame, the supporting ring is fixedly connected to the supporting frame, and the supporting ring is sleeved in an annular groove in the outer wall of the driving grinding cylinder and is rotationally connected with the annular groove.
2. The intelligent stone crusher for civil engineering as claimed in claim 1, characterized in that: the movable connecting piece comprises a third ring fixedly connected to the middle shaft sleeve, and a plurality of first connecting columns are fixedly connected to the bottom of the third ring at uniform intervals;
the connecting column sleeve is fixedly connected to the upper surface of the bottom circular ring and is in matched connection with each first connecting column, and a pressure spring is fixedly connected in each connecting column sleeve;
in an initial state, each first connecting column is located in the corresponding connecting column sleeve and is abutted to the corresponding pressure spring.
3. The intelligent stone crusher for civil engineering as claimed in claim 1, characterized in that: the material guiding device comprises a material guiding plate sleeved at the bottom of the internal grinding cylinder, the edge of the material guiding plate is connected with a connecting ring through a plurality of second connecting columns, a material discharging barrel is sleeved on the connecting ring, and the material discharging barrel is matched and slidably connected with a spline column correspondingly fixed on the outer wall of the connecting ring through a spline groove formed in the inner wall of the material discharging barrel; a plurality of discharge ports are formed in the outer wall of the discharge barrel;
the bottom of the material guiding plate is in contact with a flange arranged on the bottommost part of the internal grinding cylinder, and the connecting pipe penetrates through the material guiding plate and is in sliding connection with the material guiding plate;
the top fixedly connected with first shape of falling T-block of ejection of compact bucket, the shape of falling T-block is connected with the shape of falling T-groove cooperation that initiative grinding barrel head portion was seted up, and bottom fixedly connected with second shape of falling T-block, the shape of falling T-block cooperation that sets up on second shape of falling T-block and the driven grinding barrel is connected.
4. The intelligent stone crusher for civil engineering as claimed in claim 3, characterized in that: the material guiding plate is of a conical structure with a narrow upper part and a wide lower part.
5. The intelligent stone crusher for civil engineering as claimed in claim 3, characterized in that: each discharge port is of a triangular structure with a narrow lower part and a wide upper part.
6. The intelligent stone crusher for civil engineering as claimed in claim 1, characterized in that: the inner grinding cylinder and the outer wall of the outer grinding cylinder are fixedly connected with grinding bulges for enhancing grinding force.
7. The intelligent stone crusher for civil engineering as claimed in claim 1, characterized in that: a screening cylinder is arranged below the bottom circular ring, the bottom of the screening cylinder is fixedly connected with the base, and a filter screen is arranged in the screening cylinder; the outer wall of the external grinding cylinder is provided with a plurality of material returning holes, a material returning cylinder is sleeved outside the external grinding cylinder and fixedly connected with a fixing frame, and the upper part of the fixing frame is fixedly connected with a driving motor;
the bottom of the external grinding cylinder is communicated with a material collecting cylinder, a material discharging pipe penetrates through the material collecting cylinder, and a material outlet of the material discharging pipe is positioned above the filter screen;
the return material cylinder is communicated with the screening cylinder through a return material pipe, the upper opening of the return material pipe is communicated with the return material cylinder, and the lower opening of the return material pipe is communicated with the outer wall of the screening cylinder positioned on the filter screen.
8. The intelligent stone crusher for civil engineering as claimed in claim 7, characterized in that: and the outer wall of the screening cylinder below the filter screen is communicated with a discharge pipe.
9. An intelligent stone crusher for civil engineering as claimed in any one of claims 1 to 8, characterized in that: the pitch of the upper spiral groove is larger than that of the lower spiral groove.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111558731.4A CN114226009B (en) | 2021-12-20 | 2021-12-20 | Civil engineering uses intelligent stone crusher |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111558731.4A CN114226009B (en) | 2021-12-20 | 2021-12-20 | Civil engineering uses intelligent stone crusher |
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| CN114226009A true CN114226009A (en) | 2022-03-25 |
| CN114226009B CN114226009B (en) | 2023-02-07 |
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| CN208906129U (en) * | 2018-10-14 | 2019-05-28 | 齐群 | A kind of rock grinding device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB318392A (en) * | 1928-09-04 | 1929-09-05 | Hermann Johanson | Improvements in fine grinding mills |
| DE29618748U1 (en) * | 1995-12-01 | 1997-01-09 | Innova Microsize Betriebsberat | Device for grinding particulate feed |
| JPH11207199A (en) * | 1996-06-15 | 1999-08-03 | Nippon Kouatsu Electric Co | Pulverizer |
| JP2009013016A (en) * | 2007-07-05 | 2009-01-22 | Rasa Ind Ltd | Equipment and method for reducing water absorption rate of regenerated fine aggregate |
| US20090121056A1 (en) * | 2007-11-14 | 2009-05-14 | Chen Michael M | Fine grinding roller mill |
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| Publication number | Publication date |
|---|---|
| CN114226009B (en) | 2023-02-07 |
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