CN115178343A - Raw material crushing device for graphite electrode production - Google Patents
Raw material crushing device for graphite electrode production Download PDFInfo
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- CN115178343A CN115178343A CN202210929352.XA CN202210929352A CN115178343A CN 115178343 A CN115178343 A CN 115178343A CN 202210929352 A CN202210929352 A CN 202210929352A CN 115178343 A CN115178343 A CN 115178343A
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 239000010439 graphite Substances 0.000 title claims abstract description 34
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 34
- 239000002994 raw material Substances 0.000 title claims abstract description 32
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 83
- 239000000463 material Substances 0.000 claims abstract description 22
- 238000005192 partition Methods 0.000 claims abstract description 16
- 238000005520 cutting process Methods 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 24
- 230000008569 process Effects 0.000 description 16
- 230000009471 action Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 239000002006 petroleum coke Substances 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 239000011334 petroleum pitch coke Substances 0.000 description 2
- 239000006253 pitch coke Substances 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 239000011300 coal pitch Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005087 graphitization Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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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
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/14—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices
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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
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/28—Shape or construction of beater elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/30—Driving mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/31—Safety devices or measures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/08—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers
- B02C18/12—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers with drive arranged below container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
- B02C18/143—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers with a disc rotor having generally radially extending slots or openings bordered with cutting knives
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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
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/18—Knives; Mountings thereof
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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
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/24—Drives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C2018/164—Prevention of jamming and/or overload
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The invention relates to a raw material crushing device for graphite electrode production, which comprises a feed port, a shell, a crushing mechanism and a driving mechanism, wherein a material homogenizing plate and the crushing mechanism are arranged in the shell; the crushing mechanism comprises a cutter head, a crushing cutter, an upper spring, a limiting ring, a fixing ring, an impact plate, a lower spring, a crushing hammer, a fixing block and a circular ring; the fixed ring and the limiting ring are arranged on the upper end surface of the cutter head through partition plates at uniform intervals; the limiting ring is arranged in the center of the fixed ring, the limiting ring and the fixed ring respectively penetrate through the inner end and the middle part of the crushing knife, so that the cutting part of the crushing knife is arranged outwards, and an upper spring, the crushing knife and an upper spring are sequentially arranged between adjacent partition plates; the ring is arranged on the lower end face of the cutter head through the fixing blocks, the lower springs and the breaking hammers are arranged on two sides of the fixing blocks in pairs, and a group of lower springs and breaking hammers are arranged between the adjacent fixing blocks.
Description
Technical Field
The invention relates to the technical field of raw material crushing devices for graphite electrode production, in particular to a raw material crushing device for graphite electrode production.
Background
At present, a graphite electrode is a high-temperature resistant graphite conductive material which is prepared by using petroleum coke and pitch coke as aggregates and coal pitch as an adhesive through raw material calcination, crushing and grinding, blending, kneading, molding, roasting, dipping, graphitization and machining; according to the high and low quality indexes, the graphite electrode can be divided into a common power graphite electrode, a high-power graphite electrode and an ultrahigh-power graphite electrode;
the main raw material for producing the graphite electrode is petroleum coke, and a small amount of asphalt coke is required to be added into the common power graphite electrode; when the existing crushing device is used for crushing petroleum coke and pitch coke, because the petroleum coke and the pitch coke have a small amount of moisture and strong adhesion, a cutter head is extremely easy to be blocked and stuck in the crushing operation, so that the cutter head needs to be frequently stopped and manually processed, the crushing efficiency is low, and the labor cost is high; and current raw materials breaker for production is in the use, because raw materials such as petroleum coke, pitch coke water content is higher, and the adhesion is stronger, consequently, in crushing process, the cutter disc blocks easily, blocks the back dead, need shut down usually, and artifical the maintenance leads to broken operating inefficiency.
Disclosure of Invention
The invention aims to provide a raw material crushing device for producing a graphite electrode, which has the advantages of simple structure and anti-blocking performance
The characteristics of (1).
The invention aims to at least solve one of the technical problems in the prior art, and therefore the invention provides a raw material crushing device for graphite electrode production, which comprises a feeding port, a shell, a crushing mechanism and a driving mechanism, wherein a material homogenizing plate and the crushing mechanism are arranged in the shell; the crushing mechanism comprises a cutter head, a crushing cutter, an upper spring, a limiting ring, a fixing ring, an impact plate, a lower spring, a crushing hammer, a fixing block and a circular ring;
the fixed ring and the limiting ring are arranged on the upper end surface of the cutter head through partition plates at uniform intervals;
the limiting ring is arranged in the center of the fixed ring, the limiting ring and the fixed ring respectively penetrate through the inner end and the middle part of the crushing knife, so that the cutting part of the crushing knife is arranged outwards, and an upper spring, the crushing knife and an upper spring are sequentially arranged between adjacent partition plates;
the circular ring is arranged on the lower end face of the cutter head through a fixing block, the lower springs and the breaking hammers are arranged on two sides of the fixing block in pairs, and a group of lower springs and breaking hammers are arranged between the adjacent fixing blocks.
The technical scheme provided by the application further has the following technical characteristics:
furthermore, the breaking hammer is sleeved on the circular ring and can be arranged in a sliding manner.
Furthermore, the breaking hammer can be rotatably arranged around the sleeving part of the circular ring.
Furthermore, the limiting ring and the fixing ring respectively penetrate through the long round hole at the inner end of the crushing knife and the round hole in the middle of the crushing knife.
Further, the crushing mechanism is driven by a driving mechanism; the crushing mechanism and the driving mechanism realize anti-blocking through arranging an automatic reverse mechanism.
Furthermore, the driving mechanism drives the automatic reversing mechanism through a rotating shaft, the automatic reversing mechanism comprises a left reversing wheel, a shaft sleeve, a driving wheel and a right reversing wheel, and the driving wheel coaxially drives the crushing mechanism;
the left reversing wheel, the shaft sleeve, the right reversing wheel and the rotating shaft are coaxially arranged, and the left reversing wheel, the shaft sleeve and the right reversing wheel are integrally and jointly arranged; the left reversing wheel and the right reversing wheel are arranged at two ends of the shaft sleeve, the inner wall of the shaft sleeve is provided with a circulating guide groove, the circulating guide groove comprises a second groove, a first groove, a third groove and a fourth groove, the first groove, the second groove, the third groove and the fourth groove are sequentially connected and arranged in a closed loop mode, and the elastic pieces are arranged on the side walls of any two of the second groove, the first groove, the third groove and the fourth groove which are not adjacent; the circular guide groove is matched with a convex block arranged on the rotating shaft, the cutter head, the driving wheel and the shaft sleeve are sequentially and continuously clamped in transmission of the rotating shaft and the shaft sleeve, and the rotating shaft and the shaft sleeve relatively rotate and slide to enable the driving wheel of the left reversing wheel and the driving wheel of the right reversing wheel at two ends of the shaft sleeve.
Furthermore, the crushing knives are two, the impact plates are arranged between the two crushing knives and fixedly arranged on the fixing rings and the limiting rings, and the impact plates are used for limiting the sliding limit positions of the crushing knives.
Further, the driving mechanism comprises a motor.
Further, the automatic inversion mechanism comprises a control module.
Furthermore, the motor is a stepping motor, and the control module is a PLC module.
Furthermore, the crushing mechanism is arranged in the crushing bin; the inner wall of the crushing bin is provided with a wear-resisting plate; the material homogenizing plate is connected with the shell through a tension spring and is suspended in the suspension mode, and the material homogenizing plate is arranged below the feeding port and above the crushing mechanism.
Brief working process
The dog-house has been seted up to the casing upper end, and the dog-house below has been hoisted through the extension spring and has been equallyd divide the flitch, and protruding in the middle of the board of equallyd divide, the material that drops into from the feed inlet can directly fall on the board of equallyd divide, later from the board of equallyd divide landing all around to broken mechanism, prevent that the material that drops from directly pounding on the blade disc, also reduce the material volume that falls to blade disc center department.
The filter plate is arranged below the cutter head, the upper layer and the lower layer of crushing assemblies of the cutter head are separated by the filter plate, and meanwhile, the filter plate plays a supporting role in the cutter head.
The center of the upper surface of the cutter head is protruded, a fixing ring and a limiting ring are fixedly arranged at the edge of the upper surface of the cutter head, the diameter of the limiting ring is smaller than that of the fixing ring, a plurality of partition plates are uniformly distributed on the fixing ring and the limiting ring, and an impact plate is further arranged between every two partition plates; the crushing cutter is arranged on the fixing ring and the limiting ring, so that the crushing cutter is kept horizontal in the working process; all install broken sword between every division board and the striking plate, the solid fixed ring between broken sword and the division board still is provided with the spring, two broken sword and two upper spring symmetries between per two division boards set up. (ensuring that half of crushing knife extrusion spring waits for collision when the cutter head rotates forwards and reversely, and the other half of crushing knife is left in situ for continuous crushing operation)
The lower surface of the cutter head is provided with a circular ring, the circular ring is installed on the lower surface of the cutter head through a fixing block, a breaking hammer is arranged on the circular ring, and the arrangement mode of the breaking hammer is the same as that of the breaking knives on the upper surface of the cutter head.
The center of the lower surface of the cutter head is fixedly connected with a driving shaft, the driving shaft is rotatably arranged in the shell, and the lower end of the driving shaft is provided with a driving wheel; the motor is fixedly arranged on the bottom surface of the shell, an output shaft of the motor is fixedly connected with a rotating shaft, a shaft sleeve is sleeved on the rotating shaft, a left reversing wheel and a right reversing wheel are arranged at two ends of the shaft sleeve, and the left reversing wheel and the right reversing wheel can be meshed with the driving wheel; a lug is arranged on the rotating shaft; the shaft sleeve is internally provided with a groove, and the convex block extends into the groove.
When the cutter head rotates, the crushing knife rotates and extrudes the side wall of the shell to crush, and the crushing knife can extrude the upper spring due to the friction force between the crushing knife and the side wall of the shell; meanwhile, the breaking hammer on the lower surface of the cutter head can tilt towards the direction far away from the circle center of the cutter head under the centrifugal action of the cutter head, so that the breaking hammer is in contact with the wear-resistant plate, the material falling from the filter plate after being primarily broken by the breaking cutter is further broken, and the breaking hammer can extrude the lower spring due to the friction force between the breaking hammer and the wear-resistant plate; at the moment, if the crushing cutter on the upper surface of the cutter disc is suddenly blocked, the cutter disc cannot rotate, the lower spring on the lower surface of the cutter disc is released to push the crushing hammer to impact on the fixed block, and the cutter disc is separated from the blocking by the impact; if the breaking hammer on the lower surface of the cutter disc is suddenly blocked, the cutter disc cannot rotate, the upper spring on the upper surface of the cutter disc releases the force to push the breaking knife to impact on the impact plate, so that the cutter disc is separated from the blocking, meanwhile, the breaking hammer also begins to return to a vertical state due to the loss of centrifugal force, in the process, after the breaking hammer is separated from the wear-resisting plate, the breaking hammer can be separated from the blocking, and under the action of the lower spring, the breaking hammer impacts on the fixing block, and the cutter disc is further guaranteed to be separated from the blocking state.
If the crushing mechanisms on the upper surface and the lower surface of the cutter disc are simultaneously clamped, at the moment, the cutter disc cannot rotate, namely, the driving wheel cannot rotate, the shaft sleeve cannot rotate, the motor can drive the rotating shaft to continue to rotate, namely, the rotating shaft and the shaft sleeve rotate relatively, the inside of the shaft sleeve is internally provided with a lug on the original rotating shaft which is positioned in a first groove in the shaft sleeve and meshed with a spring sheet in the first groove through a groove on the lug to push the shaft sleeve to rotate, after the rotating shaft and the shaft sleeve rotate relatively, the lug starts to slide in the first groove and is disengaged from the spring sheet, and after the rotating shaft and the shaft sleeve slide to a second groove, the left reversing wheel is disengaged from the driving wheel through the matching of the lug and the second groove, the right reversing wheel is meshed with the driving wheel, then the lug enters a third groove, the lug is meshed with the spring sheet in the third groove again, the rotating shaft and the shaft sleeve synchronously rotate, and the cutter disc reversely rotates; when the lock is locked again, the lug continues to slide from the third groove, the left reversing wheel is meshed with the driving wheel again through the fourth groove, then the left reversing wheel slides into the first groove, the lug is meshed with the elastic sheet, and the initial state is recovered.
The first groove and the third groove are both of a certain length, so that the protruding blocks in the rotating shaft slide in the first groove and the third groove after the cutter head is clamped, and before the protruding blocks enter the second groove and the fourth groove, the cutter head can be in a static state for a period of time, so that the phenomenon that the cutter head directly changes from high-speed forward rotation to high-speed reverse rotation and is damaged due to overlarge acceleration is avoided.
The shell at the end part of the motor is provided with a heat dissipation net.
The bottom surface of the crushing cavity in the shell is obliquely arranged.
The invention has the following beneficial effects, and the following points are provided by combining the specific technical means:
1. this application utilizes crushing mechanism to carry out the breakage to the raw materials, and crushing mechanism is broken moreover, increase along with the rotational speed, it is under the centrifugal force effect, thrown away, then utilize crushing in-process extrusion, utilize the spring etc., make crushing mechanism's broken sword, the quartering hammer all can produce the extrusion spring that slides, it is smashed at crushing in-process formation balanced compression moreover, broken sword promptly, the quartering hammer slides at the certain limit, and carry out the breakage to the principle, and centrifugal force leads to the quartering hammer rotatory moreover, it is better to smash the effect like this.
2. This application utilizes the dead in-process of card, and the spring of broken sword, quartering hammer can release compression potential energy, because the card descends at the back rotational speed of dying, and the frictional resistance of this broken sword, quartering hammer reduces, and the impact of spring release strikes broken sword, quartering hammer, perhaps makes its striking that gos forward, just can overcome the card dead state in this time.
3. In the process of overcoming the jamming, if the rotation of the crushing mechanism is not stopped, the crushing mechanism can continue to rotate, if the crushing mechanism is completely jammed, the rotating mechanism driving the crushing mechanism can transmit the jamming state to the driving wheel of the driving mechanism, the driving wheel causes the left reversing wheel or the right reversing wheel meshed with the driving wheel to be clamped and blocked, the rotating shaft and the shaft sleeve slide and rotate relatively due to the jamming, so that the driving wheel clamped by the left reversing wheel or the right reversing wheel is separated, and the left reversing wheel or the right reversing wheel which is not jammed is meshed with the driving wheel.
Drawings
FIG. 1 is an overall half-sectional view of a raw material crushing apparatus for graphite electrode production according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a crushing mechanism of a screening bin of a raw material crushing device for graphite electrode production according to an embodiment of the invention;
FIG. 3 is a perspective view of a crushing mechanism of a raw material crushing device for graphite electrode production according to an embodiment of the present invention;
FIG. 4 is a perspective bottom view of a crushing mechanism of the raw material crushing device for graphite electrode production according to the embodiment of the present invention;
FIG. 5 is a perspective view of a shaft sleeve of a raw material crushing apparatus for graphite electrode production according to an embodiment of the present invention;
FIG. 6 is a half sectional view of a shaft sleeve of a raw material crushing apparatus for graphite electrode production according to an embodiment of the present invention;
FIG. 7 is a half sectional view of a shaft sleeve of a raw material crushing apparatus for graphite electrode production according to an embodiment of the present invention;
FIG. 8 is a perspective view of a rotating shaft of a raw material crushing apparatus for graphite electrode production according to an embodiment of the present invention;
in the figure: 1. the crushing device comprises a feeding port 2, a shell 3, a tension spring 4, a material homogenizing plate 5, a crushing mechanism 6, a wear-resisting plate 7, a motor 8, a heat radiating net 9, a rotating shaft 10, a left reversing wheel 11, a shaft sleeve 12, a driving wheel 13, a right reversing wheel 14, a discharging port 15, a crushing knife 16, an upper spring 17, an automatic reversing mechanism 18, a partition plate 19, a fixing ring 20, an impact plate 21, a limiting ring 22, a lower spring 23, a crushing hammer 24, a fixing block 25, a second groove 26, a first groove 27, a third groove 28, a fourth groove 29, an elastic sheet 30, a convex block 31, a knife disc 32, a filter plate 33, a crushing bin 34, a driving mechanism 35 and a circular ring.
Detailed Description
The invention will be described in detail hereinafter with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
As shown in fig. 1-8, the raw material crushing device for graphite electrode production comprises a feeding port 1, a shell 2, a crushing mechanism 5 and a driving mechanism 34, wherein a material homogenizing plate 4 and the crushing mechanism 5 are arranged in the shell 2; the crushing mechanism 5 comprises a cutter head 31, a crushing cutter 15, an upper spring 16, a limiting ring 21, a fixing ring 19, an impact plate 20, a lower spring 22, a crushing hammer 23, a fixing block 24 and a circular ring 35; the fixed ring 19 and the limiting ring 21 are arranged on the upper end surface of the cutter head 31 through partition plates 18 which are evenly spaced; the limiting ring 21 is arranged in the center of the fixing ring 19, the limiting ring 21 and the fixing ring 19 respectively penetrate through the inner end and the middle of the crushing knife 15, so that the cutting part of the crushing knife 15 is arranged outwards, and the upper spring 16, the crushing knife 15 and the upper spring 16 are sequentially arranged between the adjacent partition plates 18; the circular ring 35 is arranged on the lower end surface of the cutter head 31 through the fixing blocks 24, the lower springs 22 and the breaking hammers 23 are arranged on two sides of the fixing blocks 24 in pairs, and a group of lower springs 22 and breaking hammers 23 is arranged between the adjacent fixing blocks 24.
When the application is implemented, the implementation key points are as follows:
1. this application utilizes crushing mechanism 5 to carry out the breakage to the raw materials, and crushing mechanism 5 is broken, increase along with the rotational speed, it is under the centrifugal force effect, by throwing away, then extrude in utilizing crushing process, utilize the spring etc., make crushing sword 15 of crushing mechanism 5, quartering hammer 23 all can produce the extrusion spring that slides, and it is smashed to form a balanced compression at crushing in-process, crushing sword 15 promptly, quartering hammer 23 slides at the certain limit, and carry out the breakage to the principle, and centrifugal force leads to quartering hammer 23 rotatory, crushing effect is better like this.
2. This application utilizes the card dead in-process, and crushing sword 15, quartering hammer 23's spring can release compression potential energy, because the card is died the back rotational speed and is declined, and this crushing sword 15, quartering hammer 23's frictional resistance reduces, and the impact of spring release strikes crushing sword 15, quartering hammer 23, perhaps makes its striking that gos forward, just can overcome the card dead state this time.
3. In the process of overcoming the jamming, if the rotation of the crushing mechanism 5 is not stopped, the crushing mechanism continues to rotate, if the crushing mechanism is completely jammed, the mechanism which drives the rotation of the crushing mechanism 5 can transmit the jamming state to a driving wheel 12 of the driving mechanism, the driving wheel 12 causes the left reversing wheel 10 or the right reversing wheel 13 which is meshed with the driving wheel to be clamped, the rotating shaft 9 and the shaft sleeve 11 generate relative sliding and rotation due to the jamming, so that the driving wheel 12 which is clamped by the left reversing wheel 10 or the right reversing wheel 13 is separated, and the driving wheel 12 is meshed by the left reversing wheel 10 or the right reversing wheel 13 which is not clamped.
In one embodiment of the present application, the breaking hammer 23 is sleeved on the ring 35 and slidably disposed; simple structure, and realizes the purposes of compressing, beating and crushing by utilizing the slidable structure.
In one embodiment of the present application, the breaking hammer 23 is rotatably disposed around the sleeve portion of the ring 35; so that the utility model is convenient to move and increases the freedom of movement.
In one embodiment of the present application, the limiting ring 21 and the fixing ring 19 respectively pass through the long round hole at the inner end of the crushing knife 15 and the round hole at the middle part; in such a way, the crushing knife 15 is not clamped by the two, one round hole limits sliding, and the other round hole is a long round hole, so that a redundant movement space is formed in the movement process of the crushing knife.
In one embodiment of the present application, the crushing means 5 is driven by a drive means 34; the crushing mechanism 5 and the driving mechanism 34 are prevented from being stuck by arranging the automatic reversing mechanism 17, the structure is flexible and changeable, and the crushing mechanism is suitable for various application modes without being limited to an application structure, so that a good structural foundation is created for application and popularization of the crushing mechanism.
In one embodiment of the application, the driving mechanism 34 drives the automatic reversing mechanism 17 through the rotating shaft 9, the automatic reversing mechanism 17 comprises a left reversing wheel 10, a shaft sleeve 11, a driving wheel 12 and a right reversing wheel 13, and the driving wheel 12 coaxially drives the crushing mechanism 5;
the left reversing wheel 10, the shaft sleeve 11, the right reversing wheel 13 and the rotating shaft 9 are coaxially arranged, and the left reversing wheel 10, the shaft sleeve 11 and the right reversing wheel 13 are integrally arranged in a linkage manner; the left reversing wheel 10 and the right reversing wheel 13 are arranged at two ends of the shaft sleeve 11, the inner wall of the shaft sleeve 11 is provided with circulating guide grooves, each circulating guide groove comprises a second groove 25, a first groove 26, a third groove 27 and a fourth groove 28, the first grooves 26, the second grooves 25, the third grooves 27 and the fourth grooves 28 are sequentially connected and arranged in a closed loop mode, and the elastic pieces 29 are arranged on any two non-adjacent side walls of the second grooves 25, the first grooves 26, the third grooves 27 and the fourth grooves 28; the circular guide groove is matched with a bump 30 arranged on the rotating shaft 9, the cutter head 31, the driving wheel 12 and the shaft sleeve 11 are sequentially and continuously clamped in the transmission of the rotating shaft 9 and the shaft sleeve 11, and the rotating shaft 9 and the shaft sleeve 11 relatively rotate and slide to enable the left reversing wheel 10 at the two ends of the shaft sleeve 11 and one driving wheel 12 of the right reversing wheel 13; the structure utilizes mechanical reverse rotation reversing, utilizes limit driving after clamping to convert rotation of the structure into transverse movement, further changes the position of meshing, realizes reverse rotation after clamping, and solves the problem of clamping in the process of crushing materials.
In one embodiment of the present application, there are two crushing knives 15, and an impact plate 20 is disposed between the two crushing knives 15, the impact plate 20 is fixedly disposed on the fixing ring 19 and the limiting ring 21, and the impact plate 20 is used for defining the sliding limit position of the crushing knives 15; the crushing knives 15 are arranged on both sides of the crusher, so that the crusher can be clamped or impacted in the crushing process no matter the crusher rotates forwards or backwards.
In an embodiment of the present application, the driving mechanism 34 includes a motor, and the motor can be used to control the forward and reverse rotation in cooperation with the rotating speed, and the centrifugal trigger switch is used to update the subsequent structure, continuously optimize, reserve an innovative space, and realize continuous technology upgrading and reconstruction.
In one embodiment of the present application, the automatic reverse mechanism 17 includes a control module, and a programmer such as a circuit is used to realize timing or obtain the inversion of the sensing signal, so as to prevent the jamming in advance, or perform corresponding actions according to the jamming.
In an embodiment of the application, the motor is a stepping motor, the control module is a PLC module, the technical path difficulty is small, the implementation is convenient, the structure is simple, and the cost is low.
In one embodiment of the present application, the crushing mechanism 5 is placed in the crushing bin 33; the inner wall of the crushing bin 33 is provided with a wear-resisting plate 6; the material homogenizing plate 4 is connected with the shell 2 through a tension spring 3 and is suspended, and the material homogenizing plate 4 is arranged below the feed port 1 and above the crushing mechanism 5; reasonable structure, good effect and convenient implementation.
In one embodiment of the present application, the brief working principle process is as follows:
the dog-house 1 has been seted up to 2 upper ends of casing, and 1 below of dog-house has the homocline board 4 through 3 hoists of extension spring, and is protruding in the middle of the homocline board 4, follows the material that the feed inlet drops into, can directly fall on homocline board 4, later from homocline board 4 landing all around to crushing mechanism 5, and the material that prevents to drop directly smashes falls on blade disc 31, also reduces the material volume that falls to blade disc 31 center department.
The filter plates 32 are arranged below the cutter disc 31, the upper and lower layers of crushing components of the cutter disc 31 are separated by the filter plates 32, and meanwhile, the filter plates 32 play a role in supporting the cutter disc 31.
The center of the upper surface of the cutter head 31 is convex, the edge is fixedly provided with a fixing ring 19 and a limiting ring 21, the diameter of the limiting ring 21 is smaller than that of the fixing ring 19, the fixing ring 19 and the limiting ring 21 are uniformly provided with a plurality of partition plates 18, and the middle of each two partition plates 18 is also provided with an impact plate 20; the crushing knife 15 is arranged on the fixing ring 19 and the limiting ring 21, so that the crushing knife 15 is kept horizontal in the working process; a crushing knife 15 is arranged between each partition plate 18 and each impact plate 20, an upper spring 16 is further arranged on a fixing ring 19 between each crushing knife 15 and each partition plate 18, and the two crushing knives 15 and the two upper springs 16 between every two partition plates 18 are symmetrically arranged. Ensuring that half of the crushing knives 15 extrude the spring to wait for collision when the cutter head 31 rotates forwards and reversely, and the other half of the crushing knives 15 are left in place for continuous crushing operation
The lower surface of the cutter disc 31 is provided with a circular ring, the circular ring is installed on the lower surface of the cutter disc 31 through a fixing block 24, the circular ring is provided with a breaking hammer 23, and the arrangement mode of the breaking hammer 23 is the same as that of the breaking knife 15 on the upper surface of the cutter disc 31.
The center of the lower surface of the cutter head 31 is fixedly connected with a driving shaft which is rotatably arranged in the shell 2, and the lower end of the driving shaft is provided with a driving wheel 12; the motor 7 is fixedly arranged on the bottom surface of the shell 2, an output shaft of the motor 7 is fixedly connected with a rotating shaft 9, a shaft sleeve 11 is sleeved on the rotating shaft 9, a left reversing wheel 10 and a right reversing wheel 13 are arranged at two ends of the shaft sleeve 11, and the left reversing wheel 10 and the right reversing wheel 13 can be meshed with a driving wheel 12; the rotating shaft 9 is provided with a lug 30; the shaft sleeve 11 is provided with a groove therein, and the projection 30 extends into the groove.
When the cutter head 31 rotates, the crushing cutter 15 rotates and extrudes with the side wall of the shell 2 to crush, and due to the friction force between the crushing cutter 15 and the side wall of the shell 2, the crushing cutter 15 can extrude the upper spring 16; meanwhile, the breaking hammer 23 on the lower surface of the cutter disc 31 tilts in the direction away from the center of the cutter disc 31 under the centrifugal action of the cutter disc 31, so that the breaking hammer 23 contacts with the wear-resistant plate 6, the material falling from the filter plate 32 after being primarily crushed by the breaking knife 15 is further crushed, and the breaking hammer 23 extrudes the lower spring 22 due to the friction force between the breaking hammer 23 and the wear-resistant plate 6; at this time, if the crushing knife 15 on the upper surface of the cutter disc 31 is suddenly locked, the cutter disc 31 cannot rotate, the lower spring 22 on the lower surface of the cutter disc 31 is released, the crushing hammer 23 is pushed to impact on the fixed block 24, and the cutter disc 31 is separated from the locking by the impact; if the breaking hammer 23 on the lower surface of the cutter disc 31 is suddenly locked, the cutter disc 31 cannot rotate, the upper spring 16 on the upper surface of the cutter disc 31 releases to push the breaking knife 15 to impact on the impact plate 20, so that the cutter disc 31 is separated from the locked state, and meanwhile, the breaking hammer 23 begins to return to the vertical state due to the loss of centrifugal force, during the process, after the breaking hammer 23 is separated from the wear-resisting plate 6, the breaking hammer 23 may be separated from the locked state, and impacts on the fixed block 24 under the action of the lower spring 22, so that the cutter disc 31 can be further ensured to be separated from the locked state.
If the crushing mechanisms 5 on the upper and lower surfaces of the cutter head 31 are simultaneously locked, at this time, the cutter head 31 cannot rotate, that is, the driving wheel 12 cannot rotate, the shaft sleeve 11 cannot rotate, and the motor 7 drives the rotating shaft 9 to continue to rotate, that is, the rotating shaft 9 and the shaft sleeve 11 relatively rotate, the inside of the shaft sleeve 11, originally, the lug 30 on the rotating shaft 9 is positioned in the first groove 26 in the shaft sleeve 11, and is meshed with the elastic sheet 29 in the first groove 26 through the groove on the lug 30, so as to push the shaft sleeve 11 to rotate, after the rotating shaft 9 and the shaft sleeve 11 relatively rotate, the lug 30 starts to slide in the first groove 26 and is disengaged from the elastic sheet 29, after the lug 30 slides to the second groove 25, the left reversing wheel 10 is disengaged from the driving wheel 12 through the matching of the lug 30 and the second groove 25, and the right reversing wheel 13 is meshed with the driving wheel 12, and then the lug 30 enters the third groove 27, the lug 30 is again meshed with the elastic sheet 29 in the third groove 27, so that the rotating shaft 9 and the shaft sleeve 11 synchronously rotate, and the cutter head 31 reversely rotates; when the lock is locked again, the projection 30 continues to slide from the third groove 27, passes through the fourth groove 28, so that the left reversing wheel 10 is meshed with the driving wheel 12 again, then slides into the first groove 26, and the projection 30 is meshed with the elastic sheet 29 to restore the initial state.
The first groove 26 and the third groove 27 are both of a certain length, so that after the cutter head 31 is clamped, the lug 30 in the rotating shaft 9 slides in the first groove 26 and the third groove 27, and before entering the second groove 25 and the fourth groove 28, the cutter head 31 is in a static state for a period of time, and the cutter head 31 is prevented from being directly changed from high-speed forward rotation to high-speed reverse rotation, and the cutter head 31 is prevented from being damaged due to overlarge acceleration; a heat dissipation net 8 is arranged on the shell 2 at the end part of the motor 7; the bottom surface of the crushing chamber in the housing 2 is arranged obliquely.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; the modifications or the substitutions do not cause the essence of the corresponding technical solutions to depart from the spirit and scope of the technical solutions of the embodiments of the present invention;
reference to the description of the terms "one embodiment," "an example," "a specific example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples;
in this document, relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.
Claims (10)
1. The utility model provides a raw materials breaker is used in graphite electrode production, includes dog-house (1), casing (2), broken mechanism (5), actuating mechanism (34), its characterized in that: a material equalizing plate (4) and a crushing mechanism (5) are arranged in the shell (2);
the crushing mechanism (5) comprises a cutter head (31), a crushing cutter (15), an upper spring (16), a limiting ring (21), a fixing ring (19), an impact plate (20), a lower spring (22), a crushing hammer (23), a fixing block (24) and a circular ring (35);
the fixing ring (19) and the limiting ring (21) are arranged on the upper end surface of the cutter head (31) through partition plates (18) which are evenly spaced;
the limiting ring (21) is arranged in the center of the fixing ring (19), the limiting ring (21) and the fixing ring (19) respectively penetrate through the inner end and the middle part of the crushing knife (15), so that the cutting part of the crushing knife (15) is arranged outwards, and the upper spring (16), the crushing knife (15) and the upper spring (16) are sequentially arranged between the adjacent partition plates (18);
the circular ring (35) is arranged on the lower end face of the cutter head (31) through the fixing blocks (24), the lower springs (22) and the breaking hammers (23) are arranged on two sides of the fixing blocks (24) in pairs, and a group of lower springs (22) and breaking hammers (23) are arranged between the adjacent fixing blocks (24).
2. The raw material crushing device for producing the graphite electrode according to claim 1, characterized in that: the breaking hammer (23) is sleeved on the circular ring (35) and can be arranged in a sliding mode.
3. The raw material crushing device for producing the graphite electrode according to claim 1, characterized in that: the breaking hammer (23) is rotatably arranged around the sleeving part of the circular ring (35).
4. The raw material crushing device for producing the graphite electrode according to claim 1, characterized in that: the limiting ring (21) and the fixing ring (19) respectively penetrate through a long round hole at the inner end of the crushing knife (15) and a round hole in the middle of the crushing knife.
5. The raw material crushing device for graphite electrode production according to claim 1, characterized in that: the crushing mechanism (5) is driven by a driving mechanism (34); the crushing mechanism (5) and the driving mechanism (34) realize anti-jamming by arranging an automatic reverse mechanism (17).
6. The raw material crushing device for graphite electrode production according to claim 5, characterized in that: the driving mechanism (34) drives the automatic reversing mechanism (17) through the rotating shaft (9), the automatic reversing mechanism (17) comprises a left reversing wheel (10), a shaft sleeve (11), a driving wheel (12) and a right reversing wheel (13), and the driving wheel (12) coaxially drives the crushing mechanism (5);
the left reversing wheel (10), the shaft sleeve (11), the right reversing wheel (13) and the rotating shaft (9) are coaxially arranged, and the left reversing wheel (10), the shaft sleeve (11) and the right reversing wheel (13) are integrally arranged in a linkage manner; the left reversing wheel (10) and the right reversing wheel (13) are arranged at two ends of the shaft sleeve (11), the inner wall of the shaft sleeve (11) is provided with circulating guide grooves, the circulating guide grooves comprise a second groove (25), a first groove (26), a third groove (27) and a fourth groove (28), the first groove (26), the second groove (25), the third groove (27) and the fourth groove (28) are sequentially connected and arranged in a closed loop manner, and the elastic sheets (29) are arranged on the side walls of any non-adjacent two of the second groove (25), the first groove (26), the third groove (27) and the fourth groove (28); the circular guide groove is matched with a convex block (30) arranged on the rotating shaft (9), the rotating shaft (9) and the shaft sleeve (11) are sequentially and continuously clamped, and the rotating shaft (9) and the shaft sleeve (11) relatively rotate and slide in the transmission process, so that the left reversing wheel (10) and the driving wheel (12) of the right reversing wheel (13) at two ends of the shaft sleeve (11) are driven.
7. The raw material crushing device for producing the graphite electrode according to claim 1, characterized in that: the crushing knives (15) are two, the impact plates (20) are arranged between the two crushing knives (15), the impact plates (20) are fixedly arranged on the fixing rings (19) and the limiting rings (21), and the impact plates (20) are used for limiting the sliding limit positions of the crushing knives (15).
8. The raw material crushing device for producing the graphite electrode according to claim 5, wherein: the driving mechanism (34) comprises a motor; the automatic reversing mechanism (17) comprises a control module.
9. The raw material crushing device for graphite electrode production according to claim 8, characterized in that: the motor is a stepping motor, and the control module is a PLC module.
10. The raw material crushing device for producing the graphite electrode according to claim 1, characterized in that: the crushing mechanism (5) is arranged in the crushing bin (33); the inner wall of the crushing bin (33) is provided with a wear-resisting plate (6); the material equalizing plate (4) is connected with the shell (2) through the tension spring (3) and is suspended, and the material equalizing plate (4) is arranged below the feed opening (1) and above the crushing mechanism (5).
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| CN202210929352.XA CN115178343B (en) | 2022-08-03 | 2022-08-03 | Raw material crushing device for graphite electrode production |
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| CN202210929352.XA CN115178343B (en) | 2022-08-03 | 2022-08-03 | Raw material crushing device for graphite electrode production |
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| CN115178343B CN115178343B (en) | 2023-11-03 |
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| CN113681685A (en) * | 2021-08-25 | 2021-11-23 | 车国琴 | Process and equipment for forming alumina hollow ball brick |
| CN216156715U (en) * | 2021-08-31 | 2022-04-01 | 广东锦东电器科技有限公司 | Kitchen waste disposer adopting gear reduction motor |
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| EP0562163A2 (en) * | 1992-03-25 | 1993-09-29 | Martin H. Gygi | Crusher |
| CN108067335A (en) * | 2016-11-15 | 2018-05-25 | 天津市津南区友胜机械刀具配件厂 | A kind of crushing cutter |
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| CN216156715U (en) * | 2021-08-31 | 2022-04-01 | 广东锦东电器科技有限公司 | Kitchen waste disposer adopting gear reduction motor |
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| CN115178343B (en) | 2023-11-03 |
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