CN117325501B - Synchronous vacuumizing device of carbon extruder - Google Patents
Synchronous vacuumizing device of carbon extruder Download PDFInfo
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- CN117325501B CN117325501B CN202311336048.5A CN202311336048A CN117325501B CN 117325501 B CN117325501 B CN 117325501B CN 202311336048 A CN202311336048 A CN 202311336048A CN 117325501 B CN117325501 B CN 117325501B
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- driving
- air inlet
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 18
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 121
- 230000007246 mechanism Effects 0.000 claims abstract description 50
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 238000001125 extrusion Methods 0.000 claims description 38
- 238000000465 moulding Methods 0.000 claims description 15
- 238000005086 pumping Methods 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 238000009423 ventilation Methods 0.000 abstract description 7
- 239000000779 smoke Substances 0.000 description 12
- 239000007789 gas Substances 0.000 description 8
- 239000010410 layer Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000006072 paste Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
- F04B37/10—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use
- F04B37/14—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use to obtain high vacuum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
- B30B11/22—Extrusion presses; Dies therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
- B30B11/22—Extrusion presses; Dies therefor
- B30B11/221—Extrusion presses; Dies therefor extrusion dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
- B30B11/22—Extrusion presses; Dies therefor
- B30B11/224—Extrusion chambers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/0082—Dust eliminating means; Mould or press ram cleaning means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/34—Heating or cooling presses or parts thereof
Abstract
The invention relates to the technical field of carbon extruders and provides a synchronous vacuumizing device of a carbon extruder, which comprises an extruder body, a material cylinder, a nozzle, a plunger, a baffle mechanism, a ventilation mechanism, a vacuumizing mechanism and an air supply mechanism, wherein a groove is formed in the material cylinder, the plunger is arranged on the material cylinder in a sliding manner, air baffles matched with the groove are arranged on two sides of the plunger, sliding rods matched with the groove are arranged on the air baffles, the sliding rods penetrate through the nozzle, the baffle mechanism is used for sealing the nozzle, the ventilation mechanism is used for sucking air and inflating the material cylinder, the vacuumizing mechanism is used for vacuumizing the material cylinder, the air supply mechanism is arranged on a base of the extruder body, and the air supply mechanism is used for supplying air to the material cylinder.
Description
Technical Field
The invention relates to the technical field of carbon extruders, in particular to a synchronous vacuumizing device of a carbon extruder.
Background
The carbon products can be classified into graphite electrodes, pastes, carbon fibers, graphite heat exchangers and the like according to the application, and the carbon products have the advantages of light weight, porosity, electrical conductivity, thermal conductivity, corrosion resistance, lubricity, heat resistance, processability and the like.
After the traditional device for synchronously vacuumizing on the carbon extruder vacuumizes the paste, smoke and impurities which are not completely volatilized during cooling in the paste can remain in the paste, so that the purity of the graphite electrode is influenced, and meanwhile, the temperature of the material cylinder is reduced along with the time after the paste is filled in the material cylinder, so that the extrusion molding of the paste is influenced.
Disclosure of Invention
The invention provides a synchronous vacuumizing device of a carbon extruder, which solves the problems that the traditional vacuumizing device in the related art cannot remove smoke residues in paste in the vacuumizing process and cannot adjust the temperature of the inner layer and the outer layer of the paste.
The technical scheme of the invention is as follows:
The utility model provides a synchronous evacuating device of carbon extrusion machine, includes the extruder body, still includes:
The material cylinder is arranged on the extruder body, and a groove is formed in the material cylinder;
the molding nozzle is arranged on the material cylinder and is in conical arrangement;
The plunger is arranged on the material cylinder in a sliding manner, and air baffle plates matched with the grooves are arranged on two sides of the plunger;
The baffle mechanism is slidably arranged on the base of the extruder body and is used for sealing the nozzle;
the air exchanging mechanism is arranged on the material cylinder and is used for sucking air and inflating air in the material cylinder;
the air exchanging mechanism comprises an air inlet component and an air outlet component, the air inlet component is arranged on one side of the material cylinder, and the air outlet component is arranged on one side, opposite to the air inlet component, of the material cylinder;
The vacuumizing mechanism is arranged on the base of the extruder body and connected with the air inlet assembly, and the vacuumizing mechanism is used for vacuumizing the inside of the material cylinder;
The air supply mechanism is arranged on the base of the extruder body and connected with the air outlet assembly, and the air supply mechanism is used for supplying air to the inside of the material cylinder;
the baffle mechanism includes:
The sliding rail is arranged on the base of the extruder body, and a driving cylinder III is arranged on the sliding rail;
the sliding seat is in sliding connection with the sliding rail and fixedly connected with the output end of the driving cylinder III;
The baffle column is arranged on the sliding seat and is aligned with the nozzle;
The air baffle is provided with a sliding rod matched with the groove, and the sliding rod penetrates through the nozzle;
the air intake assembly includes:
the air inlet cylinder penetrates through and is arranged on the material cylinder in a sliding manner, an arc-shaped baffle plate is arranged on one side, close to the interior of the material cylinder, of the air inlet cylinder, and extrusion pins are arranged on two sides, close to the exterior of the material cylinder, of the air inlet cylinder;
the material cylinder is provided with a groove corresponding to the arc-shaped baffle plate, and the arc-shaped baffle plate is provided with a sealing ring;
The first driving component is arranged on the outer side of the material cylinder and used for driving the air inlet cylinder to slide on the material cylinder;
the first driving part comprises:
The first sliding groove is arranged at the outer side of the material cylinder;
the first driving plate is sleeved on the air inlet cylinder, is arranged on the first sliding groove in a sliding manner, and is provided with a slotted hole matched with the extrusion pin;
the first driving cylinder is arranged on the material cylinder, and the output end of the first driving cylinder is arranged on the first driving plate;
The air baffle on the plunger divides the interior of the material cylinder into two parts, when the vacuum pump sucks air in the material cylinder through the air inlet cylinder, the air flows into the material cylinder through the air outlet cylinder, and because the air baffle slides in the groove, the air cannot flow around the plunger, and the air can only flow to the air inlet hole through the air outlet hole in the gap between the paste between the baffle and the plunger;
When the first driving cylinder stretches, the first driving plate slides on the first sliding groove, the inner side of the first driving plate and the inclined surface matched with the extrusion pin extrude the extrusion pin to enable the air inlet cylinder to slide towards the outer side of the material cylinder, and when the first driving cylinder shortens, the inclined surface on the first driving plate extrudes the extrusion pin to enable the air inlet cylinder to slide towards the inner side of the material cylinder.
The vacuumizing mechanism comprises:
The vacuum pump is arranged on the base of the extruder body, and the air inlet end of the vacuum pump is communicated with the air inlet assembly;
and the filter is communicated with the air outlet of the vacuum pump.
The air supply mechanism includes:
The air exchange valve is communicated with the air outlet assembly;
The air outlet end of the compression air pump is communicated with the air exchange valve;
The heater is arranged on the base of the extruder body and is communicated with the air exchange valve.
The air outlet assembly includes:
The air outlet cylinder penetrates through and is arranged on one side, opposite to the air inlet cylinder, of the material cylinder in a sliding manner, the arc-shaped baffle is arranged on the air outlet cylinder, and the extrusion pins are arranged on two sides, close to the outer part of the material cylinder, of the air outlet cylinder;
The second driving part is arranged on the outer side of the material cylinder and is used for driving the air outlet cylinder to slide on the material cylinder.
The second driving part comprises:
the second sliding groove is arranged at the outer side of the material cylinder;
the second driving plate is sleeved on the air inlet cylinder, is arranged on the second sliding groove in a sliding manner, and is provided with a slotted hole matched with the extrusion pin;
The second driving cylinder is arranged on the material cylinder, and the output end of the second driving cylinder is arranged on the second driving plate.
The working principle and the beneficial effects of the invention are as follows:
1. According to the invention, the air baffle plate, the groove and the sliding rod are arranged, the sliding rod and the air baffle plate slide in the groove, the air baffle plate on the plunger divides the interior of the material cylinder into two parts, when the vacuum pump sucks air in the material cylinder through the air inlet cylinder, the air flows into the material cylinder through the air outlet cylinder, because the air baffle plate slides in the groove, the air can not flow around the plunger, the air can only flow to the air inlet hole through the air outlet holes in the gap between the paste between the baffle plate and the plunger, when the air outside passes through the gap between the paste, the smoke which is not volatilized in the paste during cooling can be carried out, the filter at the rear part of the vacuum pump can filter residual smoke, so that the damage of the smoke to the air is reduced, and by arranging the sliding rod on the plunger and the sliding rail penetrating type nozzle, the sliding rod slides on the groove and the type nozzle when the plunger extrudes the paste, on one hand, the paste is prevented from entering the groove, on the other hand, the paste can be prevented from affecting the shape of paste extrusion, and the sealing of the paste by the groove can be left when the paste contacts with the groove;
2. According to the invention, the baffle column is arranged, the sliding seat slides towards the molding nozzle on the sliding rail under the pushing of the driving cylinder III, the baffle column stretches into the molding nozzle, the paste is contacted with the baffle column when the plunger pre-extrudes the paste, and the baffle column stretches into the molding nozzle, so that the paste can be prevented from being filled into the molding nozzle when the pre-extrusion is finished, the paste can be subjected to extrusion force of the molding nozzle when the extrusion is finished, meanwhile, the paste does not enter the molding nozzle, and when the vacuum pump sucks air through the air inlet cylinder, the air in the air outlet cylinder more fully passes through the gap in the paste;
3. According to the invention, when the vacuum pump sucks air, the air outlet cylinder is used for introducing the air heated by the heater into the material cylinder, hot air passes through gaps among the paste, the temperature of the paste is regulated while the flue gas is carried away, and as the air passes through gaps in the paste, the inner core of the paste and the outer side of the paste, which are in contact with the material cylinder, can keep the same temperature, so that the internal and external temperatures of the paste are uneven, so that the paste is prevented from cracking after extrusion or the shape cannot be maintained;
4. According to the invention, the vacuumizing mechanism and the air supply mechanism are arranged to vacuumize the paste, and the temperature of the air entering from the outside can be raised, so that the temperature of the inner layer and the outer layer of the paste is raised when the air passes through the space between the pastes, and the residual smoke in the paste is carried away, and the opening and closing of the air inlet and the air outlet on the material cylinder can be conveniently controlled through the air exchange mechanism.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of another view angle structure of the whole of the present invention;
FIG. 3 is a schematic diagram of the structure of the present invention;
FIG. 4 is a schematic diagram of the cooperation structure of the ventilation mechanism and the cylinder in the present invention;
FIG. 5 is a schematic view of the ventilation mechanism and cylinder of the present invention;
FIG. 6 is a schematic view of the fitting structure of the first air intake cylinder and the first driving plate in the present invention;
FIG. 7 is a schematic view of the whole part structure of the present invention.
In the figure: 1. an extruder body; 2. a material cylinder; 3. a groove; 4. a mouth; 5. a plunger; 6. a gas baffle; 7. a vacuum pump; 8. a filter; 9. a gas exchange valve; 10. a compression air pump; 11. a heater; 12. an air inlet cylinder; 13. an arc baffle; 14. extruding pins; 15. a seal ring; 16. an air outlet tube; 17. a first sliding groove; 18. a first driving plate; 19. a first driving cylinder; 20. a second sliding groove; 21. a second driving plate; 22. a second driving cylinder; 23. a slide rail; 24. a driving cylinder III; 25. a sliding seat; 26. a baffle column; 27. a sliding stick.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-7, the embodiment provides a synchronous vacuumizing device of a carbon extruder, which comprises an extruder body 1, a material cylinder 2, a molding nozzle 4, a plunger 5, a baffle mechanism, a ventilation mechanism, a vacuumizing mechanism and an air supply mechanism, wherein the material cylinder 2 is arranged on the extruder body 1, a groove 3 is formed in the material cylinder 2, the molding nozzle 4 is arranged on the material cylinder 2, the molding nozzle 4 is in a conical shape, the plunger 5 is arranged on the material cylinder 2 in a sliding manner, air baffle plates 6 matched with the groove 3 are arranged on two sides of the plunger 5, sliding rods 27 matched with the groove 3 are arranged on the air baffle plates 6, the sliding rods 27 penetrate through the molding nozzle 4, the baffle mechanism is arranged on a base of the extruder body 1 in a sliding manner, the baffle mechanism is used for sealing the molding nozzle 4, the ventilation mechanism is arranged on the material cylinder 2 and used for sucking air in the material cylinder 2, the vacuumizing mechanism is arranged on the base of the extruder body 1, the vacuum pumping mechanism is connected with the air inlet component, the vacuum pumping mechanism is used for vacuumizing the interior of the material cylinder 2, the air feeding mechanism is arranged on the base of the extruder body 1 and is connected with the air outlet component, the air feeding mechanism is used for feeding air into the interior of the material cylinder 2, the air exchanging mechanism comprises the air inlet component and the air outlet component, the air inlet component is arranged on one side of the material cylinder 2, the air outlet component is arranged on the opposite side of the material cylinder 2 to the air inlet component, as shown in figure 3, the air baffle 6 is arranged on the upper side and the lower side of the plunger 5, when the plunger 5 slides in the material cylinder 2, the edge of the air baffle 6 is in sliding fit with the groove 3, the air baffle 6 divides the space in the material cylinder 2 into two parts, which are respectively communicated with the air inlet component and the air outlet component, due to the obstruction of the air baffle 6, when the vacuum pumping mechanism pumps air in the material cylinder 2 through the air inlet component, the gas enters the material cylinder 2 through the air outlet component, the air can only pass through the paste between the plunger 5 and the baffle column 26, the plunger 5 only slightly extrudes the paste before the pre-extrusion is carried out, the air brings the smoke among the paste away through the gaps among the paste, meanwhile, as the sliding rod 27 is arranged on the plunger 5, the sliding rod 27 slides in the groove 3, the sliding rod 27 moves along with the plunger 5 and passes through the through hole on the die nozzle 4, the sliding rod 27 can prevent the paste from entering the groove 3 when being extruded, if the paste remains in the groove 3, a gap exists between the baffle 6 and the groove 3, the air cannot be isolated, the air outlet component can be closed after the smoke is sucked out, the vacuumizing mechanism can vacuumize the material cylinder 2, the air inlet component is closed, the plunger 5 moves towards the baffle column 26 to pre-extrude the paste, and a feed inlet is arranged at the side of the material cylinder 2.
As shown in fig. 2 and 7, the vacuum pumping mechanism comprises a vacuum pump 7 and a filter 8, the vacuum pump 7 is arranged on the base of the extruder body 1, the air inlet end of the vacuum pump 7 is communicated with an air inlet component, the filter 8 is communicated with the air outlet of the vacuum pump 7, the air feeding mechanism comprises a gas exchange valve 9, a compressed air pump 10 and a heater 11, the gas exchange valve 9 is communicated with the air outlet component, the compressed air pump 10 is arranged on the base of the extruder body 1, the air outlet end of the compressed air pump 10 is communicated with the gas exchange valve 9, the heater 11 is arranged on the base of the extruder body 1, the heater 11 is communicated with the gas exchange valve 9, when the vacuum pump 7 is started, air in the material cylinder 2 can be pumped out through the air inlet component, when the air outlet component is started, the gas exchange valve 9 can control the air outlet component to be communicated with the heater 11, and the air enters the material cylinder 2 after the temperature of the heater 11 rises, the temperature of the paste is raised while the residual smoke in the paste is carried away from the paste, so that the temperature of the paste cylinder 2 is prevented from being reduced in the standing process or the temperature difference between the paste cylinder 2 and the paste is large, the surface layer contacted with the paste cylinder 2 and the temperature difference between the paste cylinder 2 and the inside are large, the molding of the paste after extrusion is influenced, the smoke is pumped out along with air and passes through the filter 8 through the air outlet of the vacuum pump 7, the smoke outflow is avoided, the air outlet component is closed when vacuum is carried out, the vacuum pump 7 vacuumizes the inside of the paste cylinder 2, the air inlet component is closed after the vacuum pumping is finished, the plunger 5 can pre-extrude the paste, the paste is tightly attached to the surfaces of the plunger 5 and the baffle column 26 after the pre-extrusion is finished, if the air is rapidly introduced into the paste cylinder 2, the paste is crushed when the baffle column 26 exits from the mouth 4, the air outlet component is opened when the vacuum is broken, the air exchange valve 9 controls the air outlet assembly to be communicated with the compression air pump 10, the compression air pump 10 can keep constant speed to charge air into the material cylinder 2, and the situation that paste is broken due to suddenly changed air pressure and extrusion molding cannot be performed is avoided.
As shown in fig. 4-6, the air inlet assembly comprises an air inlet cylinder 12 and a first driving component, the air inlet cylinder 12 penetrates through and is arranged on the material cylinder 2 in a sliding manner, an arc baffle 13 is arranged on one side, close to the interior of the material cylinder 2, of the air inlet cylinder 12, extrusion pins 14 are arranged on two sides, close to the exterior of the material cylinder 2, of the air inlet cylinder 12, grooves corresponding to the arc baffle 13 are formed in the material cylinder 2, a sealing ring 15 is arranged on the arc baffle 13, the first driving component is arranged on the outer side of the material cylinder 2, the first driving component is used for driving the air inlet cylinder 12 to slide on the material cylinder 2, the air outlet assembly comprises an air outlet cylinder 16 and a second driving component, the air outlet cylinder 16 penetrates through and is arranged on one side, opposite to the air inlet cylinder 12, of the material cylinder 2, an arc baffle 13 is arranged on the air outlet cylinder 16, two sides, close to the exterior of the material cylinder 2, of the air outlet cylinder 16 are provided with extrusion pins 14, the second driving component is arranged on the outer side of the material cylinder 2, the driving component is used for driving the air outlet cylinder 16 to slide on the material cylinder 2, the air outlet cylinder 12 is identical to the shape of the air outlet cylinder 16, as shown in fig. 4, when the arc baffle 13 enters into the material cylinder 2, and slides on the grooves 3, and the grooves 3 and the air outlet cylinder 13 and the air outlet cylinder 12 are arranged on the air outlet cylinder 2 are opposite to the air inlet cylinder 12.
As shown in fig. 6, the first driving part comprises a first sliding groove 17, a first driving plate 18 and a first driving cylinder 19, the first sliding groove 17 is arranged on the outer side of the material cylinder 2, the first driving plate 18 is sleeved on the air inlet cylinder 12, the first driving plate 18 is slidably arranged on the first sliding groove 17, a slotted hole matched with the extrusion pin 14 is formed in the first driving plate 18, the driving cylinder is arranged on the material cylinder 2, the output end of the first driving cylinder 19 is arranged on the first driving plate 18, the second driving part comprises a second sliding groove 20, a second driving plate 21 and a second driving cylinder 22, the second sliding groove 20 is arranged on the outer side of the material cylinder 2, the second driving plate 21 is sleeved on the air inlet cylinder 12, the second driving plate 21 is slidably arranged on the sliding groove 20, a slotted hole matched with the extrusion pin 14 is formed in the second driving plate 21, the driving cylinder is arranged on the material cylinder 2, when the first driving plate 18 stretches out, the driving plate 18 slides on the first sliding groove 17, the inner side of the driving plate 18 slides on the first driving plate 18 and the extrusion pin 14 slides on the inclined surface of the first driving cylinder 12 in the same shape as the first driving cylinder 16 when the first driving plate 12 stretches out of the driving cylinder 14 and the second driving plate 12 slides in the same shape as the first driving cylinder 16 and the second driving cylinder 14 slides in the direction to the second driving cylinder 2 when the first driving plate 19 stretches out the driving plate 14 slides in the same shape as the first driving plate 12 and the second driving plate 12 slides in the second direction.
As shown in fig. 2-7, the baffle mechanism comprises a sliding rail 23, a sliding seat 25 and a baffle column 26, the sliding rail 23 is arranged on the base of the extruder body 1, the sliding rail 23 is provided with a driving cylinder III 24, the sliding seat 25 is in sliding connection with the sliding rail 23, the sliding seat 25 is fixedly connected with the output end of the driving cylinder III 24, the baffle column 26 is arranged on the sliding seat 25, the baffle column 26 is aligned with the mold mouth 4, the baffle column 26 can extend into the mold mouth 4 under the pushing of the driving cylinder III 24, and the baffle column 26 can better seal the mold mouth 4 by extending into the mold mouth 4, so that the vacuumizing effect is improved.
The working principle of the synchronous vacuumizing device of the carbon extruder is as follows: the driving cylinder III 24 stretches to push the sliding seat 25 to slide on the sliding rail 23, the baffle column 26 stretches into the die orifice 4, the feed orifice is opened to fill paste, the feed orifice is closed after the paste is compacted, the plunger 5 pushes towards the die orifice 4, the baffle plate 6 and the sliding rod 27 slide in the groove 3, the sliding is stopped when the plunger 5 slides between the arc baffle 13 and the die orifice 4, the driving cylinder I19 and the driving cylinder II 22 shorten, the driving plate I18 and the driving plate II 21 slide in the sliding groove I17 and the sliding groove II 20 respectively, the air inlet cylinder 12 and the air outlet cylinder 16 slide towards the inner direction of the material cylinder 2, the air exchange valve 9 controls the heater 11 to be communicated with the air outlet cylinder 16, the vacuum pump 7 sucks air in the material cylinder 2, the air enters into the material cylinder 2 through the air outlet cylinder 16 after being heated by the heater 11, the hot air is heated while the residual smoke in the paste is carried away by the gap between the paste, the flue gas is filtered by a filter 8 after passing through a vacuum pump 7, when the paste and a material cylinder 2 are kept at proper temperatures, a driving cylinder II 22 is extended, a driving plate II 21 slides on a sliding groove II 20 and extrudes an extrusion pin 14, an air outlet cylinder 16 slides towards the outside of the material cylinder 2 until an arc baffle 13 enters a groove 3 in the material cylinder 2, a sealing ring 15 seals a gap between the arc baffle 13 and the material cylinder 2, at the moment, the vacuum pump 7 vacuumizes the inside of the material cylinder 2, after the vacuumization is finished, the driving cylinder I19 is extended to drive the driving plate II 18 to extrude the extrusion pin 14 to enable the arc baffle 13 on the air inlet cylinder 12 to be attached to the material cylinder 2, at the moment, a plunger 5 pre-extrudes the paste, a ventilation valve 9 controls a compression air pump 10 to be communicated with the air outlet cylinder 16 after the pre-extrusion is finished, the driving cylinder II 22 is shortened, the air outlet cylinder 16 slides into the material cylinder 2, and the compressed air pump 10 breaks vacuum by uniformly introducing air into the material cylinder 2, so that the paste is separated from the baffle column 26.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (5)
1. The utility model provides a synchronous evacuating device of carbon extrusion machine, includes extruder body (1), its characterized in that still includes:
the material cylinder (2), the material cylinder (2) is installed on the extruder body (1), and a groove (3) is formed in the material cylinder (2);
the molding nozzle (4) is arranged on the material cylinder (2), and the molding nozzle (4) is arranged in a conical shape;
the plunger (5) is arranged on the material cylinder (2) in a sliding manner, and air baffle plates (6) matched with the grooves (3) are arranged on two sides of the plunger (5);
The baffle mechanism is slidably arranged on the base of the extruder body (1) and is used for sealing the nozzle (4);
The air exchanging mechanism is arranged on the material cylinder (2) and is used for sucking air and inflating air in the material cylinder (2);
The air exchanging mechanism comprises an air inlet component and an air outlet component, the air inlet component is arranged on one side of the material cylinder (2), and the air outlet component is arranged on one side, opposite to the air inlet component, of the material cylinder (2);
The vacuumizing mechanism is arranged on the base of the extruder body (1), is connected with the air inlet assembly and is used for vacuumizing the interior of the material cylinder (2);
The air supply mechanism is arranged on the base of the extruder body (1), is connected with the air outlet assembly and is used for supplying air to the inside of the material cylinder (2);
the baffle mechanism includes:
The sliding rail (23), the sliding rail (23) is arranged on the base of the extruder body (1), and a driving cylinder III (24) is arranged on the sliding rail (23);
The sliding seat (25) is in sliding connection with the sliding rail (23), and the sliding seat (25) is fixedly connected with the output end of the driving cylinder III (24);
A baffle column (26), the baffle column (26) being mounted on the sliding seat (25), the baffle column (26) being aligned with the mouth (4);
a sliding rod (27) matched with the groove (3) is arranged on the air baffle (6), and the sliding rod (27) penetrates through the die nozzle (4);
the air intake assembly includes:
The air inlet cylinder (12) penetrates through the material cylinder (2) and is arranged on the material cylinder (2) in a sliding manner, an arc-shaped baffle (13) is arranged on one side, close to the interior of the material cylinder (2), of the air inlet cylinder (12), and extrusion pins (14) are arranged on two sides, close to the exterior of the material cylinder (2), of the air inlet cylinder (12);
The material cylinder (2) is provided with a groove corresponding to the arc-shaped baffle plate (13), and the arc-shaped baffle plate (13) is provided with a sealing ring (15);
The first driving component is arranged on the outer side of the material cylinder (2) and is used for driving the air inlet cylinder (12) to slide on the material cylinder (2);
the first driving part comprises:
The first sliding groove (17) is arranged at the outer side of the material cylinder (2);
The first driving plate (18) is sleeved on the air inlet cylinder (12), the first driving plate (18) is arranged on the first sliding groove (17) in a sliding mode, and a slotted hole matched with the extrusion pin (14) is formed in the first driving plate (18);
a first driving cylinder (19) which is arranged on the material cylinder (2), and the output end of the first driving cylinder (19) is arranged on the first driving plate (18);
The air baffle (6) on the plunger (5) divides the interior of the material cylinder (2) into two parts, when the vacuum pump (7) sucks air in the material cylinder (2) through the air inlet cylinder (12), the air flows into the interior of the material cylinder through the air outlet cylinder (16), and because the air baffle (6) slides in the groove (3), the air cannot flow around the plunger (5), and the air can only flow to the air inlet hole through the air outlet hole in the gap between the baffle and the paste between the plunger (5);
When the first driving cylinder (19) stretches, the first driving plate (18) slides on the first sliding groove (17), the inclined surface matched with the extrusion pin (14) on the inner side of the first driving plate (18) extrudes the extrusion pin (14) so that the air inlet cylinder (12) slides towards the outer side of the material cylinder (2), and when the first driving cylinder (19) shortens, the inclined surface on the first driving plate (18) extrudes the extrusion pin (14) so that the air inlet cylinder (12) slides towards the inner side of the material cylinder (2).
2. The synchronized evacuation device for a carbon extrusion press of claim 1, wherein the evacuation mechanism comprises:
The vacuum pump (7) is arranged on the base of the extruder body (1), and the air inlet end of the vacuum pump (7) is communicated with the air inlet assembly;
and the filter (8) is communicated with the air outlet of the vacuum pump (7).
3. The synchronized vacuum pumping apparatus of a carbon extrusion press of claim 2, wherein said air feed mechanism comprises:
a gas exchange valve (9), the gas exchange valve (9) being in communication with the gas outlet assembly;
The compression air pump (10) is arranged on the base of the extruder body (1), and the air outlet end of the compression air pump (10) is communicated with the air exchange valve (9);
the heater (11), heater (11) is installed on the base of extruder body (1), heater (11) with breather valve (9) are linked together.
4. A synchronized vacuum pumping apparatus for a carbon extrusion press as defined in claim 3, wherein said air outlet assembly comprises:
The air outlet cylinder (16) penetrates through the material cylinder (2) and is arranged on one side opposite to the air inlet cylinder (12) in a sliding manner, the arc-shaped baffle (13) is arranged on the air outlet cylinder (16), and the extrusion pins (14) are arranged on two sides, close to the outside of the material cylinder (2), of the air outlet cylinder (16);
And the driving part II is arranged on the outer side of the material cylinder (2) and is used for driving the air outlet cylinder (16) to slide on the material cylinder (2).
5. The synchronized vacuum pumping apparatus of a carbon extrusion press of claim 4, wherein said second drive member comprises:
The second sliding groove (20) is arranged at the outer side of the material cylinder (2);
The second driving plate (21) is sleeved on the air inlet cylinder (12), the second driving plate (21) is arranged on the second sliding groove (20) in a sliding mode, and a slotted hole matched with the extrusion pin (14) is formed in the second driving plate (21);
And a second driving cylinder (22), wherein the driving cylinder is arranged on the material cylinder (2), and the output end of the second driving cylinder (22) is arranged on the second driving plate (21).
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