CN111879097B - Continuous microwave dryer for accumulator plate - Google Patents
Continuous microwave dryer for accumulator plate Download PDFInfo
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- CN111879097B CN111879097B CN202010741968.5A CN202010741968A CN111879097B CN 111879097 B CN111879097 B CN 111879097B CN 202010741968 A CN202010741968 A CN 202010741968A CN 111879097 B CN111879097 B CN 111879097B
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- ejector rod
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B15/00—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
- F26B15/10—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions
- F26B15/12—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined
- F26B15/18—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined the objects or batches of materials being carried by endless belts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/04—Heating arrangements using electric heating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/001—Handling, e.g. loading or unloading arrangements
- F26B25/003—Handling, e.g. loading or unloading arrangements for articles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/02—Applications of driving mechanisms, not covered by another subclass
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/06—Chambers, containers, or receptacles
- F26B25/14—Chambers, containers, receptacles of simple construction
- F26B25/18—Chambers, containers, receptacles of simple construction mainly open, e.g. dish, tray, pan, rack
- F26B25/185—Spacers; Elements for supporting the goods to be dried, i.e. positioned in-between the goods to build a ventilated stack
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/32—Drying solid materials or objects by processes involving the application of heat by development of heat within the materials or objects to be dried, e.g. by fermentation or other microbiological action
- F26B3/34—Drying solid materials or objects by processes involving the application of heat by development of heat within the materials or objects to be dried, e.g. by fermentation or other microbiological action by using electrical effects
- F26B3/347—Electromagnetic heating, e.g. induction heating or heating using microwave energy
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
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- Biotechnology (AREA)
- Sustainable Development (AREA)
- Molecular Biology (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention relates to a continuous microwave dryer for a storage battery polar plate, which comprises a microwave heating kiln, a feeding conveyer belt, a discharging conveyer belt and a clamping type polar plate transfer mechanism, wherein the clamping type polar plate transfer mechanism is used for clamping two side surfaces of the storage battery polar plate in the direction of reaching the degree and transferring the storage battery polar plate from the feeding conveyer belt to the discharging conveyer belt, one end of the microwave heating kiln is provided with a feeding hole, the other end of the microwave heating kiln is provided with a discharging hole, the feeding conveyer belt is in butt joint with the feeding hole, the discharging conveyer belt is in butt joint with the discharging hole, and the storage battery polar plate is dried by the microwave heating kiln in the process of being transferred by the clamping type polar plate transfer mechanism. The invention aims to provide a continuous microwave dryer for a storage battery pole plate, which is heated by microwave and overcomes the defects of the existing external drying mode.
Description
Technical Field
The invention relates to the technical field of storage battery production, in particular to a continuous microwave dryer for a storage battery polar plate.
Background
At present, in the manufacture of a polar plate of a lead-acid storage battery, the traditional drying method is adopted, such as flame, hot air, steam, electric heating and the like, and external heating and drying are adopted, and after heat is absorbed by the surface of a material in the drying process, the heat permeates into the material through heat conduction, and then the temperature is raised and the material is dried. The drying by an external heat source has the following defects: long drying time, high cost, large energy consumption, slow drying speed and small treatment capacity.
Disclosure of Invention
The invention aims to provide a continuous microwave dryer for a storage battery pole plate, which is heated by microwave and overcomes the defects of the existing external drying mode.
The technical problem is solved by the following technical scheme: the utility model provides a continuous microwave dryer of battery plate, includes microwave heating kiln, material loading conveyer belt, unloading conveyer belt and the centre gripping formula polar plate transfer mechanism that two sides of grasping battery plate thickness direction shift the battery plate from the material loading conveyer belt to the unloading conveyer belt, the one end of microwave heating kiln is equipped with the feed inlet, the other end is equipped with the discharge gate, the material loading conveyer belt butt joint is in the feed inlet, the butt joint of unloading conveyer belt is in the discharge gate, the battery plate is by the in-process that centre gripping formula polar plate transfer mechanism shifted the microwave heating kiln is dry. When the device is used, the storage battery polar plates are continuously conveyed into the microwave heating kiln through the feeding conveyer belt, and the clamping polar plate transfer mechanism continuously transfers the storage battery polar plates in the microwave heating kiln from the feeding conveyer belt to the discharging conveyer belt and then is conveyed away by the discharging conveyer belt. The storage battery plates are dried to the protection requirement in the process of being transferred for internal use, and then are discharged to the conveying belt. The microwave heating is adopted, so that the method is efficient, rapid and environment-friendly. The battery electrode can be continuously conveyed and heated by flowing water. In the process of microwave heating, only the side surface of the electrode of the storage battery in the height direction is clamped with the conveying mechanism, the heating uniformity is good, and the phenomenon that the local part of the electrode is not dried due to the electromagnetic radiation effect of the conveying mechanism is prevented.
As preferred, centre gripping formula polar plate transfer mechanism includes two transmission bands along perpendicular to feed inlet and discharge gate distribution direction distribution, the transmission band includes transmission band portion driving roll, transmission band portion driven roller and carries out the pivoted girdle through transmission band portion driving roll cooperation transmission band portion driven roller drive, the unloading end of material loading conveyer belt is located between the girdle of two transmission bands, the material loading end of unloading conveyer belt is located between the girdle of two transmission bands, be connected with a plurality of connecting seats along the circumference evenly distributed of girdle on the girdle, be equipped with the ejector pin on the connecting seat and drive the flexible ejector pin actuating cylinder of ejector pin, on the girdle of two transmission bands the connecting seat aligns with the one-to-one, and the ejector pin on a transmission band is flexible towards another transmission band. When the device is used, the ejector rods on the two conveying belts are matched one by one correspondingly to clamp one storage battery electrode for transferring. Provides a specific technical scheme of the clamping type polar plate transfer mechanism.
Preferably, the connecting seat is further connected with a push rod rotating mechanism for driving the push rod to rotate, and the push rod is rotatably connected to the connecting seat. Because the conductor in the electrode of the storage battery can reflect the microwave, at least two microwave sources at two sides of the polar plate of the storage battery are required to be arranged for heating when the storage battery is subjected to microwave drying, and the whole surface (namely the coating) of the polar plate of the storage battery can be dried. According to the technical scheme, the storage battery pole plate is driven by the annular belt to translate, and the ejector rod is driven by the ejector rod rotating mechanism to move downwards to rotate as the shaft, so that the whole surface of the storage battery pole plate can be dried only by arranging a microwave source above or below the microwave source in the microwave heating furnace.
Preferably, one end of the ejector rod is a clamping end contacted with the storage battery pole plate, and a driving rod is hinged to the center of the end face of the other end of the ejector rod in a spherical manner and connected with the ejector rod driving cylinder. The storage battery pole plate can be reliably clamped by the ejector rod, and the storage battery pole plate can smoothly rotate by taking the ejector rod as an axis.
Preferably, the cylinder body of the ejector rod driving cylinder is connected with the connecting seat, and the piston rod of the ejector rod driving cylinder is connected with the driving rod through a connecting plate. The structure is compact and good.
Preferably, the ejector rod rotating mechanism comprises an outer gear ring arranged on the ejector rod and extending along the circumferential direction of the ejector rod, a vertically extending rack for driving the outer gear ring, and a rack driving cylinder for driving the rack, wherein the outer gear ring only surrounds the ejector rod for 270 degrees; when the ejector rod is in a contracted state and is positioned above the feeding conveying belt, the rack is disengaged from the outer gear ring, the teeth at the lowermost end of the rack are positioned below a horizontal plane passing through the axis of the ejector rod, a gap between the head end and the tail end of the outer gear ring faces the rack, the head end of the outer gear ring is positioned on one side, facing the rack, of a vertical plane passing through the axis of the ejector rod and is positioned on the upper side of the ejector rod, and the number of the teeth on one side part, facing the rack, of the vertical plane passing through the axis of the ejector rod, of the outer gear ring is more than 1; when the ejector rod clamps the storage battery polar plate, the gravity center of the storage battery polar plate is positioned on one side of the axis of the ejector rod; the ejector pin rotates the head end of outer ring gear under the effect of battery plate weight and when the rack meshing is in the same place, the rack drives the extension of actuating cylinder and makes the outer ring gear of rack drive rotate and drive the ejector pin and rotate together, the ejector pin drives the actuating cylinder shrink and drives the rack and reset when outer ring gear and rack throw off to rotate, the ejector pin rotates when outer ring gear and rack throw off the head end of outer ring gear is located the vertical plane of the axis through the ejector pin towards one side of rack and is located the upside of ejector pin, the moment that the rack resets is earlier than the ejector pin and rotates the head end of outer ring gear and the moment that the rack meshing is in the same place under the effect of battery plate weight. When the ejector rod clamps the storage battery polar plate, the gravity center of the storage battery polar plate is positioned on one side of the axis of the ejector rod, so that the storage battery polar plate rotates to a vertical state (namely can rotate 90 degrees) by taking the ejector rod as a shaft under the action of the self weight when the feeding conveyer belt loses the supporting effect on the storage battery polar plate (namely when the storage battery polar plate is suspended), then when the ejector rod is in a contraction state and is positioned above the feeding conveyer belt, the rack is disengaged from the outer gear ring, the teeth positioned at the lowermost end of the rack are positioned below a horizontal plane passing through the axis of the ejector rod, a gap between the head end and the tail end of the outer gear ring faces the rack, the head end of the outer gear ring is positioned on one side of the vertical plane passing through the axis of the ejector rod, the outer gear ring is meshed with the rack under the action that the number of the teeth on the part of the vertical plane passing through the axis of the ejector rod and facing one side of the rack is more than 1, then when the ejector rod rotates to the head end of the outer gear ring to be meshed with the rack under the action of the weight of the storage battery polar plate, the rack driving cylinder extends to enable the rack to drive the outer gear ring to rotate to drive the ejector rod to rotate together, when the ejector rod rotates to the state that the outer gear ring is disengaged from the rack, the rack driving cylinder contracts to drive the rack to reset, when the ejector rod rotates to the state that the head end of the outer gear ring is located on one side, facing the rack, of the vertical plane passing through the axis of the ejector rod and located on the upper side of the ejector rod, the moment of resetting of the rack is earlier than the moment when the ejector rod rotates to the state that the head end of the outer gear ring is meshed with the rack under the action of the weight of the storage battery polar plate, the ejector rod continues to rotate and completes rotation for one circle until the storage battery polar plate is in a horizontal state, and then the actions are continuously repeated, so that the continuous rotation of the storage battery polar plate is driven through the reciprocating translation of the rack is realized. When the storage battery pole plate is in a horizontal state and is positioned above the discharging conveying belt, the ejector rod is loosened to enable the storage battery pole plate to fall on the discharging conveying belt. Provides a concrete technical proposal of the mandril rotating mechanism.
Preferably, the ejector rod rotating mechanism further comprises an engagement detection mechanism for detecting whether the rack is engaged with the outer gear ring or not, the engagement detection mechanism comprises a plurality of press switches, press heads of the press switches are connected with slats extending along the extension direction of the rack, the slats are connected with a plurality of driving pins extending along the depth direction of tooth grooves of the rack, the driving pins are distributed along the extension direction of the rack, and one driving pin penetrates through each tooth groove of each rack. When the pressing heads of all the press switches are not pressed, the rack is not meshed with the outer gear ring, namely, the rack is disengaged, and when the pressing heads of any one press switch are pressed to cause the on-off state of the press switch to change, the outer gear ring is meshed with the rack. The automatic control of the rack action can be realized.
Preferably, the two sides of one end of the driving pin, which is positioned in the tooth groove of the rack and extends along the rack, are provided with contraction guide inclined planes. The drive pin can be reliably contracted when being pressed by the teeth of the through outer ring gear.
Preferably, the connecting seat is hinged with the annular belt through a hinge pin, and the axis of the hinge pin is parallel to the axis of the driving roller of the conveying belt part. So that the connecting seat can pass through the corner when the radius of the transmission belt without the driven roller and the drive roller is smaller (namely the corner radius of the annular belt is smaller).
Preferably, the connecting base is provided with an electric heater for drying the contact part of the accumulator plate by the ejector rod. The storage battery electrode plates on the feeding conveyer belt are clamped by the ejector rods after being dried by the electric heating tubes, so that the surface coatings of the storage battery electrodes can be prevented from being damaged by the clamping action of the ejector rods.
Preferably, the connecting seat is provided with a heat insulation sleeve, the ejector rod can be rotatably arranged in the heat insulation sleeve in a penetrating mode, the electric heater is connected to one end, facing the center of the microwave heating kiln, of the sleeve, and when the ejector rod is in a contraction state, the clamping end of the ejector rod is completely accommodated in the heat insulation sleeve. The part of the accumulator plate clamped by the ejector rod can be accurately heated. The individual sleeve can conveniently fix the electric heater and can also play a role in driving and guiding the extension of the ejector rod, and the heat loss of the electric heater can be reduced.
Preferably, the transmission band is located the outside of microwave heating kiln, is equipped with the rectangular shape that extends along the horizontal direction that supplies the ejector pin to pass through on the wall of microwave heating kiln and dodges the hole, microwave heating kiln is equipped with and holds the support board of the connecting seat that the ejector pin was aligned with dodging the hole with separating the annular band support. The conveyor belt can not be heated by microwaves, so that the factors of whether the materials can be heated by microwaves or not do not need to be considered when the conveyor belt is manufactured.
Preferably, the connecting seat is further provided with a push rod driving cylinder extension switch which is used for controlling the push rod driving cylinder to extend and can be aligned with the avoidance hole, and the push rod driving cylinder extension switch is a photoelectric switch; when the ejector rod is in a contraction state in an initial state, the ejector rod driving cylinder drives the ejector rod to extend out when the extension switch of the ejector rod driving cylinder is changed from being shielded by the wall of the microwave heating furnace to be aligned with the avoidance hole for a set time delay, and drives the ejector rod to contract when the ejector rod extends out for the set time.
Preferably, the feeding conveying belt is provided with a plurality of positioning stop blocks distributed along the extension direction of the feeding conveying belt, and only one storage battery plate can be accommodated between every two adjacent positioning stop blocks. The storage battery pole plate can be conveniently and reliably clamped by the ejector rod.
The invention has the following advantages: the drying speed is high, energy is saved, the production efficiency is high, the drying is uniform, the production is clean, and the continuous drying can be realized.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a schematic enlarged view of a portion of FIG. 2 at B;
FIG. 4 is an enlarged partial schematic view at C of FIG. 2;
FIG. 5 is a schematic cross-sectional view taken along line D-D of FIG. 1;
FIG. 6 is an enlarged partial schematic view at E of FIG. 5;
fig. 7 is a partially enlarged schematic view at F of fig. 6.
In the figure: microwave heating kiln 1, feeding conveyer belt 2, blanking conveyer belt 3, accumulator plate 5, unit block 4, feeding inlet 6, discharging outlet 7, conveyer belt 8, conveyer belt driving rod 9, conveyer belt driven roller 10, endless belt 11, connecting seat 12, hinge pin 13, electric heater 14, heat insulation sleeve 15, ejector rod 16, ejector rod driving cylinder 17, clamping end 18, driving rod 19, connecting plate 20, avoiding hole 21, holding plate 22, ejector rod driving cylinder extension switch 23, ejector rod rotation mechanism 24, outer gear ring 25, rack 26, rack driving cylinder 27, teeth 28 at the lowest end of rack, tail end 30 of outer gear ring, gap 31, head end 29 of outer gear ring, accumulator plate 32 in vertical state, accumulator plate 33 in flat state, press switch 34, press head 35 of press switch, plate 36, drive pin 37, contraction guide slope 38, end face 39 of accumulator plate facing ejector rod, A connecting frame 40.
Detailed Description
The invention is further described with reference to the following figures and examples.
Referring to fig. 1 to 7, a continuous microwave dryer for battery plates comprises a microwave heating kiln 1, a feeding conveyer belt 2, a discharging conveyer belt 3 and a clamping type plate transfer mechanism for transferring the battery plates from the feeding conveyer belt to the discharging conveyer belt by clamping two side surfaces of the battery plates in the thickness direction. The feeding conveying belt is provided with a plurality of positioning stop block pairs distributed along the extension direction of the feeding conveying belt, and only one storage battery plate 5 can be accommodated between every two adjacent positioning stop block pairs. Two unit block 4 in the same unit block pair are distributed along the width direction of the feeding conveyer belt and are abutted against two ends of the storage battery pole plate in the length direction. One end of the microwave heating kiln is provided with a feed inlet 6, and the other end is provided with a discharge outlet 7. The feeding conveyer belt is butted at the feeding hole and extends into the microwave heating kiln. The blanking conveyer belt is butted at the discharge port and extends into the microwave heating kiln. The storage battery pole plates are dried by the microwave heating kiln in the process of being transferred by the clamping pole plate transfer mechanism. The clamping type polar plate transfer mechanism is positioned outside the microwave heating kiln. The clamping type polar plate transfer mechanism comprises two conveying belts 8 which are distributed along the distribution direction vertical to the feeding port and the discharging port. The conveyor belt includes a drive roller 9 on a conveying belt portion, a driven roller 10 on the conveying belt portion, and an endless belt 11 which is driven to rotate by the drive roller on the conveying belt portion in cooperation with the driven roller on the conveying belt portion. The blanking end of the feeding conveyer belt is positioned between the annular belts of the two conveyer belts. The feeding end of the blanking conveying belt is positioned between the annular belts of the two conveying belts. The annular band is connected with a plurality of connecting seats 12 which are evenly distributed along the circumferential direction of the annular band. The connecting base is hinged with the annular belt through a hinge shaft pin 13, and the axis of the hinge shaft pin is parallel to the axis of the driving roller of the conveying belt part. An electric heater 14 for drying the contact part of the accumulator plate contacted by the mandril is arranged on the connecting seat. The connecting seat is provided with a heat insulation sleeve 15. The ejector rod 16 is rotatably inserted into the heat insulating sleeve and the electric heater is connected to one end of the sleeve facing the center of the microwave heating kiln. The storage battery pole plates on the feeding conveyer belt are clamped by the ejector rods after being dried by the electric heating tubes. When the ejector rod is in a contraction state, the clamping end of the ejector rod is completely accommodated in the heat insulation sleeve. And the connecting seat is provided with an ejector rod driving cylinder 17 for driving the ejector rod to stretch. The connecting seats on the annular belts of the two conveying belts are aligned in a one-to-one correspondence mode, the ejector rods on one conveying belt stretch towards the other conveying belt, and the ejector rods on the garbage seats aligned on the two conveying belts are matched to clamp one storage battery polar plate. One end of the ejector rod is a clamping end 18 which is contacted with the accumulator plate, and the spherical surface at the center of the end surface of the other end is hinged with a driving rod 19 which is fixed with a connecting plate 20. The cylinder body of the mandril driving cylinder is connected with the connecting seat, and the piston rod of the mandril driving cylinder is connected with the connecting plate. The wall of the microwave heating kiln is provided with a strip-shaped avoiding hole 21 which is used for the ejector rod to pass through and extends along the horizontal direction. The microwave heating kiln is provided with a supporting plate 22 which is used for supporting the connecting seat with the ejector rod aligned with the avoiding hole through an annular belt. And an ejector rod driving cylinder extension switch 23 which controls the ejector rod driving cylinder to extend and can be aligned with the avoidance hole is further arranged on the connecting seat. The push rod drives the cylinder to extend out of the switch and is a photoelectric switch; the ejector rod is in a contraction state in an initial state, when the stretching switch of the ejector rod driving cylinder is changed from being shielded by the wall of the microwave heating furnace to be aligned with the avoidance hole for a set time delay, the ejector rod driving cylinder drives the ejector rod to stretch out, and when the ejector rod stretches out for the set time, the ejector rod driving cylinder drives the ejector rod to contract. And the connecting seat is also connected with a mandril rotating mechanism 24 for driving the mandril to rotate. The ejector rod rotating mechanism comprises an outer gear ring 25 arranged on the ejector rod and extending along the circumferential direction of the ejector rod, a rack 26 for driving the outer gear ring to extend vertically (namely the rack extends vertically when the ejector rod is aligned with the avoidance hole), and a rack driving cylinder 27 for driving the rack. The rack driving cylinder is connected to the connecting plate through a connecting frame 40. The outer gear ring only surrounds 270 degrees on the ejector rod; when the ejector rod is in a contraction state and is positioned above the feeding conveying belt, the rack is disengaged from the outer gear ring, the teeth 28 at the lowermost end of the rack are positioned below a horizontal plane passing through the axis of the ejector rod, a gap 31 between the head end of the outer gear ring and the tail end 30 of the outer gear ring faces the rack, the head end 29 of the outer gear ring is positioned on one side, facing the rack, of a vertical plane passing through the axis of the ejector rod and is positioned on the upper side of the ejector rod, and the number of teeth on the part, facing the rack, of the vertical plane passing through the axis of the ejector rod, of the outer gear ring is more than 1; when the storage battery pole plate is moved away from the feeding conveyer belt and is in a suspended state, the ejector rod rotates under the action of the weight of the storage battery pole plate to the head end of the outer gear ring to be meshed with the rack, so that the storage battery pole plate is converted into a storage battery pole plate 32 in a vertical state, at the moment, the rack driving cylinder extends to enable the rack to drive the outer gear ring to rotate and drive the ejector rod to rotate together, when the ejector rod rotates to separate the outer gear ring from the rack (the storage battery pole plate is in a horizontal state, namely, the storage battery pole plate 33 is converted into the horizontal state), the rack driving cylinder contracts to drive the rack to reset, when the ejector rod rotates to separate the outer gear ring from the rack, the head end of the outer gear ring is located on one side of the vertical plane facing the rack through the axis of the ejector rod and located on the upper side of the ejector rod, and the moment when the ejector rod resets is earlier than the moment when the ejector rod rotates to mesh the head end of the outer gear ring with the rack together under the action of the weight of the storage battery pole plate. The process enables the storage battery pole plate to rotate by taking the ejector rod as the shaft. The ejector rod rotating mechanism further comprises an engagement detection mechanism for detecting whether the rack and the outer gear ring are engaged. The engagement detection mechanism includes a plurality of push switches 34, and a bar 36 extending in the direction in which the rack extends is connected to a push head 35 of the push switches. The lath is connected with a plurality of driving pins 37 extending along the depth direction of the tooth grooves of the rack, the driving pins are distributed along the extending direction of the rack, and one driving pin penetrates through the tooth groove of each rack. When the pressing heads of all the press switches are not pressed, the rack is not meshed with the outer gear ring, namely, the rack is disengaged, and when the pressing heads of any one press switch are pressed to cause the on-off state of the press switch to change, the outer gear ring is meshed with the rack. And contraction guide inclined planes 38 are arranged on two sides of one end, located in the tooth grooves of the rack, of the driving pin along the extension direction of the rack.
When the feeding conveyor belt, the blanking conveyor belt and the conveyor belt are used, the linear speeds are equal. The storage battery pole plate is continuously sent to the microwave drying kiln by the feeding conveyer belt, when the ejector rod rotates to be aligned with the storage battery pole plate, the electric heater firstly heats and dries the part, to be clamped by the ejector rod, of the end face 39 of the storage battery pole plate facing to the ejector rod, after the drying is set for a long time, the ejector rod stretches out to clamp the storage battery pole plate, the storage battery pole plate is moved to be away from the feeding conveyer belt, so that the ejector rod rotates under the action of the ejector rod rotating mechanism to drive the storage battery pole plate to rotate by taking the ejector rod as a shaft, when the storage battery pole plate moves to the upper part of the discharging conveyer belt and is in the same state as that when the storage battery pole plate is positioned on the feeding conveyer belt, the ejector rod contracts to enable the storage battery pole plate to fall onto the discharging conveyer belt to be conveyed away, and the storage battery pole plate is dried under the action of microwaves when passing through the microwave drying kiln.
Claims (6)
1. A continuous microwave dryer for a storage battery polar plate is characterized by comprising a microwave heating kiln, a feeding conveyer belt, a discharging conveyer belt and a clamping type polar plate transfer mechanism for transferring the storage battery polar plate from the feeding conveyer belt to the discharging conveyer belt by clamping two side surfaces in the thickness direction of the storage battery polar plate, wherein one end of the microwave heating kiln is provided with a feeding hole, the other end of the microwave heating kiln is provided with a discharging hole, the feeding conveyer belt is butted at the feeding hole, the discharging conveyer belt is butted at the discharging hole, and the storage battery polar plate is dried by the microwave heating kiln in the process of being transferred by the clamping type polar plate transfer mechanism; the clamping type polar plate transfer mechanism comprises two conveying belts which are distributed along the distribution direction perpendicular to the feed inlet and the discharge outlet, each conveying belt comprises a conveying belt part driving rod, a conveying belt part driven roller and an annular belt which rotates by the driving of the conveying belt part driving rod matched with the driving of the conveying belt part driven roller, the discharging end of the feeding conveying belt is positioned between the annular belts of the two conveying belts, the feeding end of the discharging conveying belt is positioned between the annular belts of the two conveying belts, the annular belts are connected with a plurality of connecting seats which are uniformly distributed along the circumferential direction of the annular belts, the connecting seats are provided with ejector rods and ejector rod driving cylinders for driving the ejector rods to stretch, the connecting seats on the annular belts of the two conveying belts are aligned in a one-to-one correspondence manner, and the ejector rods on one conveying belt stretch towards the other conveying belt; the ejector rod rotating mechanism comprises an outer gear ring arranged on the ejector rod and extending along the circumferential direction of the ejector rod, a vertically extending rack for driving the outer gear ring and a rack driving cylinder for driving the rack, and the outer gear ring only surrounds the ejector rod by 270 degrees; when the ejector rod is in a contracted state and is positioned above the feeding conveying belt, the rack is disengaged from the outer gear ring, the teeth at the lowermost end of the rack are positioned below a horizontal plane passing through the axis of the ejector rod, a gap between the head end and the tail end of the outer gear ring faces the rack, the head end of the outer gear ring is positioned on one side, facing the rack, of a vertical plane passing through the axis of the ejector rod and is positioned on the upper side of the ejector rod, and the number of the teeth on one side part, facing the rack, of the vertical plane passing through the axis of the ejector rod, of the outer gear ring is more than 1; when the ejector rod rotates to the head end of the outer gear ring to be meshed with the rack under the action of the weight of the accumulator plate, the rack driving cylinder extends to enable the rack to drive the outer gear ring to rotate to drive the ejector rod to rotate together, when the ejector rod rotates to the outer gear ring to be separated from the rack, the rack driving cylinder contracts to drive the rack to reset, when the ejector rod rotates to the outer gear ring to be separated from the rack, the head end of the outer gear ring is positioned on one side, facing the rack, of a vertical plane passing through the axis of the ejector rod and positioned on the upper side of the ejector rod, the time of resetting of the rack is earlier than the time when the ejector rod rotates to the time when the head end of the outer gear ring is meshed with the rack under the action of the weight of the accumulator plate, the ejector rod rotating mechanism further comprises a meshing detection mechanism for detecting whether the rack is meshed with the outer gear ring, the meshing detection mechanism comprises a plurality of press switches, and press heads of the press switches are connected with laths extending along the extending direction of the racks, the driving pins extend along the depth direction of the tooth spaces of the racks, the driving pins are distributed along the extending direction of the racks, one driving pin penetrates through each tooth space of each rack, when the pressing heads of all the pressing switches are not pressed, the fact that the racks are not meshed with the outer gear ring is that the racks are disengaged, and when the pressing heads of any one pressing switch are pressed, the fact that the on-off state of the pressing switch is changed, the fact that the outer gear ring is meshed with the racks is indicated.
2. The continuous microwave dryer for the accumulator plate of claim 1, wherein the connecting seat is further connected with a top rod rotating mechanism for driving the top rod to rotate, and the top rod is rotatably connected with the connecting seat; one end of the ejector rod is a clamping end which is contacted with the storage battery pole plate, and the spherical surface at the center of the end surface of the other end of the ejector rod is hinged with a driving rod which is connected with the ejector rod driving cylinder.
3. The continuous microwave dryer for the accumulator plates of claim 2, wherein the cylinder body of the ejector rod driving cylinder is connected with the connecting seat, and the piston rod of the ejector rod driving cylinder is connected with the driving rod through a connecting plate.
4. The continuous microwave dryer for battery plates according to claim 1, wherein the connecting base is hinged to the endless belt by a hinge pin having an axis parallel to an axis of the drive roller of the conveyor belt portion.
5. The continuous microwave dryer for battery plates according to claim 1, wherein the connecting socket is provided with an electric heater for drying a portion of the battery plate contacted by the lift pin.
6. The continuous microwave dryer for battery plates according to claim 5, wherein the connecting base is provided with a heat insulating sleeve, the rod is rotatably inserted into the heat insulating sleeve, the electric heater is connected to an end of the sleeve facing the center of the microwave heating kiln, and the holding end of the rod is completely received in the heat insulating sleeve when the rod is in a contracted state.
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| CN202010741968.5A CN111879097B (en) | 2020-07-29 | 2020-07-29 | Continuous microwave dryer for accumulator plate |
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| CN202010741968.5A CN111879097B (en) | 2020-07-29 | 2020-07-29 | Continuous microwave dryer for accumulator plate |
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| CN112815684B (en) * | 2021-02-02 | 2022-12-09 | 江西春兴新能源有限公司 | Continuous microwave drying process method for solidified polar plate of storage battery |
| CN112871599A (en) * | 2021-02-02 | 2021-06-01 | 江西春兴新能源有限公司 | Microwave drying kiln for drying accumulator plate |
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| JP2001205395A (en) * | 2000-01-19 | 2001-07-31 | Kubota Corp | Casting mold drying device |
| CN202158740U (en) * | 2011-06-29 | 2012-03-07 | 恒光（福建）光电科技有限公司 | Vacuum drying device of solar cell panel |
| CN202685546U (en) * | 2011-12-01 | 2013-01-23 | 上海鼎龙机械有限公司 | Printing grooving machine with printing part with stepping adjustable scraper inking device |
| CN206478989U (en) * | 2017-02-16 | 2017-09-08 | 中山市强龙打印耗材有限公司 | A kind of drying unit for producing scraper |
| CN107139234A (en) * | 2017-07-03 | 2017-09-08 | 许晶 | A kind of Manufacture of medicinal slices of TCM medicinal material process equipment with dedusting functions/drying |
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