CN214537267U - Microwave heating box for drying accumulator plate - Google Patents

Abstract

The utility model relates to a microwave heating box for drying accumulator plates, which comprises a microwave heating box body, a conveying belt and an exhaust fan, wherein the conveying belt comprises a conveying belt and a bearing roller, the bearing roller comprises a roller body and a supporting wheel provided with a bearing cavity, a shaft head part channel communicated with the bearing cavity is arranged on a shaft head of the roller body, one end of a piston cylinder guide rod of the shaft head part channel is connected together, the other end of the guide rod is connected with one end of a first copper column, the other end of the first copper column is connected with a silica gel ball provided with a magnet in oil, the surface of the silica gel ball is coated with a flexible conducting strip connected together with the first copper column, and the flexible conducting strip is just opposite to an iron sheet connected with a second copper column; the exhaust fan, the fan control power supply, the second copper column and the conductive brush piece which is connected with the first copper column in series. The utility model provides an exhaust column dress at microwave heating case top, thereby the vapor siltation that produces when the battery polar plate piles up with great ease not to fall between the battery polar plate and greatly influence the problem of drying effect.

Description

Microwave heating box for drying accumulator plate

Technical Field

The utility model relates to a dry technical field of battery plate especially relates to a microwave heating box of dry battery plate.

Background

In the prior art, in the manufacture of the polar plate of the lead-acid storage battery, the polar plate after being coated and the polar plate after being solidified are heated and dried by the traditional drying methods such as flame, hot air, steam, electric heating and the like, and the surfaces of the materials absorb heat in the drying process, then the heat permeates into the materials through heat conduction, and then the materials are heated and dried. But the drying time is basically 12-20 h, and the method has the advantages of long relative drying time, high cost, high energy consumption, slow drying rate and small treatment capacity. Microwave drying, which is a totally different method of internal heating. The wet material is in a microwave high-frequency electric field with extremely short oscillation period, water molecules in the wet material are polarized and are regularly arranged along the direction of the microwave electric field, then the wet material rapidly rotates along with the interactive change of the direction of the high-frequency alternating electric field, and violent collision and friction (hundreds of millions of times per second) are generated, so that a part of microwave energy is converted into molecular motion energy and is expressed in the form of heat, the temperature of water is increased to leave the material, and the material is dried. That is, after the microwaves enter the material and are absorbed, their energy is converted into heat energy inside the dielectric of the material. Therefore, the microwave drying is a drying mode which uses electromagnetic waves as a heating source and the dried material is a heating body.

With the development of science and technology, microwave drying technology and microwave dryers have been widely used and have shown significant advantages in the light industry, the chemical material industry, the food and agricultural product processing industry and other industries. Microwave drying is undoubtedly a new technology to meet the requirements of new products.

The microwave drying is different from the traditional drying mode, and the heat conduction direction is the same as the moisture diffusion direction. Compared with the traditional drying mode, the drying device has the advantages of high drying speed, energy conservation, high production efficiency, uniform drying, clean production, easy realization of automatic control, improvement of product quality and the like, thereby being more and more emphasized in various drying fields. The application and theory of microwave drying technology has been studied abroad as early as 60 s in the last century.

Chinese patent application No. 2011101251319 discloses a dryer for an electrode plate of a rechargeable battery and a control method thereof. According to the exemplary embodiment, the plate dryer, the plate heater, the thermocouple and the controller are included, the heat capacity of the plate heater is controlled according to the measured temperature signal of the thermocouple, and the technical scheme adopted by the plate dryer is still a thermocouple heating mode.

Chinese patent application No. 2011101744797 discloses polar plate drying equipment, including the oven that is used for carrying out drying process to the polar plate, with conveyer that the oven input is connected carries in proper order conveyer's suction machine. Carry out the oven and dry, this patent also belongs to traditional polar plate drying method.

Chinese patent application No.: 2015103224263 discloses a lead storage battery electrode plate drying device, which is provided with a hot air inlet, and a hot air outlet is arranged on the end surface of one side opposite to the hot air inlet. The electrode plate is heated and dried by hot air while moving. The two conventional drying methods for the battery electrode plate have the defects of slow heating rate and large temperature gradient difference, so that the consistency of the product is poor. The microwave heating box in the existing microwave heating kiln has the following defects when heating the polar plate: the exhaust pipe is arranged at the top of the microwave heating box, and when the storage battery pole plates are sequentially stacked in a criss-cross mode, generated water vapor is deposited between the storage battery pole plates and cannot be dispersed in time, so that the drying effect is greatly influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a microwave heating case of dry battery plate solves the exhaust column dress at microwave heating case top, thereby the vapor siltation that produces when battery plate piles up criss-cross in proper order does not reach the problem of scattering and greatly influencing drying effect between the battery plate.

The technical problem is solved by the following technical scheme: a microwave heating box for drying a storage battery polar plate comprises a microwave heating box body and is characterized by further comprising a conveying belt, an exhaust fan and a fan control power supply, wherein the conveying belt penetrates through the microwave heating box body; the conveying belt is internally provided with a bearing roller for supporting the conveying belt in a penetrating manner, the bearing roller comprises a roller body and a supporting wheel which is sleeved on the roller body and protrudes out of the circumferential surface of the roller body, one end of the roller body is provided with a first shaft head which is rotatably connected to a first supporting sleeve, the other end of the roller body is provided with a second shaft head which is rotatably connected to a second supporting sleeve, a shaft head part channel which penetrates through the end surface of the first shaft head is arranged in the first shaft head, a bearing cavity which extends along the circumferential direction of the supporting wheel is arranged in the supporting wheel, hydraulic oil is arranged in the bearing cavity, the part of the supporting wheel which protrudes out of the circumferential surface of the roller body is of a flexible structure, the bearing cavity is filled with the hydraulic oil, and the bearing cavity is communicated with the shaft head part channel through a roller body part channel arranged in the roller body; a guide rod is arranged in the shaft head part channel, one end of the guide rod is provided with a piston which is connected in the shaft head part channel in a sliding and sealing mode, the other end of the guide rod extends out of the first shaft head and is provided with a first copper column, one end, far away from the guide rod, of the first copper column is provided with a silica gel ball, the surface of the silica gel ball is coated with a flexible conducting strip, a magnet is arranged inside the silica gel ball, one end of the flexible conducting strip is connected with the first copper column, and the other end of the flexible conducting strip extends out of one end, far away from the first copper column, of the silica gel ball; the first supporting sleeve and an iron sheet which is positioned on the silica gel ball, is far away from the first copper column and is opposite to the flexible conducting sheet are relatively fixed together, and a second copper column is welded on the iron sheet; air exhauster and fan control power supply establish ties and form fan power supply package, the one end of fan power supply package passes through wire intercommunication second copper post, the other end of fan power supply package passes through the wire and connects the electric brush piece, the electric brush piece lasts to be contradicted on the first copper post. During the use, when putting the battery polar plate that alternately piles up on the transmission band and pass through the pressure-bearing roller, it extrudees the supporting wheel continuously, and then makes the guide arm stretch out to the outside for the silica gel ball extrudees to flexible conducting strip and links together with the iron sheet, makes air exhauster, fan control power, first copper post and second copper post constitute closed conductive loop, and the air exhauster begins work, and continues to discharge microwave heating case vapor via the air outlet through the side ventilation exhaust column. The existing method is only to arrange an exhaust pipe at the top of a microwave heating box, the existing battery plates are sequentially stacked transversely and vertically in a crossed mode to be dried, the battery is rapidly heated in the transverse gap to generate steam, the generated steam is deposited between the battery plates and cannot be dissipated, and the drying effect is greatly influenced. The utility model discloses a battery polar plate that puts the cross pile on the transmission band passes through the pressure-bearing roller, and it extrudes the supporting wheel continuously, and then makes the guide arm stretch out to the outside, makes the silica gel ball extrude flexible conducting strip to the iron sheet, makes air exhauster, fan control power, first copper post and second copper post constitute closed conductive loop, and the air exhauster begins to work, and continues to arrange microwave heating case vapor via the air outlet through the side ventilation exhaust column; the device realizes that the exhaust fan can be started to perform lateral air exhaust only when the storage battery pole plates which are stacked in a crossed manner pass through the bearing rollers, the storage batteries in the transverse gaps of the storage batteries are rapidly heated to generate silted water vapor and are rapidly exhausted, and when the number of the stacked storage batteries is more, the distance of outward movement of the guide rods is larger, so that the contact area between the flexible conductive sheets which are extruded and deformed and the iron sheet is larger, the resistance is smaller, the current flowing through the exhaust fan under constant voltage is larger, and the air exhaust power is larger; meanwhile, the iron sheet is adsorbed by the magnet, so that the flexible conducting sheet is tightly attached to the iron sheet and cannot fall off due to vibration generated by rotation of the bearing roller.

Preferably, a limiting ring and a spring are further arranged in the shaft head channel, one end of the spring is connected with the limiting ring, the other end of the spring is connected with the piston, and the spring is used for providing elastic force for driving the guide rod to contract towards the inside of the shaft head channel. The support ring can be automatically expanded and reset when the pressure received by the support ring is reduced.

Preferably, damping grease is further arranged between the magnet and the silica gel ball. The utility model discloses still be equipped with damping fat between magnetite and silica gel ball, it makes the magnetite kick-back rapidly to prevent that the magnetite quick travel from breaking through magnetite or copper foil strip.

Preferably, the supporting wheel is sleeved at the end of the pressure roller. The installation and the manufacture are convenient.

Preferably, the flexible conductive sheet is a resistor sheet. That improves the debugging effect of the exhaust fan.

The utility model has the advantages of that: the utility model discloses a cross-stacked battery plate who puts on the transmission band passes through the pressure-bearing roller, and it extrudees the supporting wheel constantly, and then makes the guide arm stretch out to the outside, makes the silica gel ball extrude to the iron sheet, makes air exhauster, fan control power, first copper post and second copper post constitute closed conductive loop, and the air exhauster begins work, and continues to arrange microwave heating case vapor via the air outlet through the side ventilation exhaust column; the device realizes that the exhaust fan can be started to perform lateral air exhaust only when the storage battery pole plates which are stacked in a crossed manner pass through the bearing rollers, the storage batteries in the transverse gaps of the storage batteries are rapidly heated to generate silted water vapor and are rapidly exhausted, and when the number of the stacked storage batteries is more, the distance of outward movement of the guide rods is larger, so that the contact area between the flexible conductive sheets which are extruded and deformed and the iron sheet is larger, the resistance is smaller, the current flowing through the exhaust fan under constant voltage is larger, and the air exhaust power is larger; meanwhile, the iron sheet is adsorbed by the magnet, so that the flexible conducting sheet is tightly attached to the iron sheet and cannot fall off due to vibration generated by rotation of the bearing roller.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is a partial view of portion A of FIG. 2;

fig. 4 is a partial view of part B of fig. 2.

In the figure: the device comprises a transmission belt 2, a fan control power supply 4, a microwave heating box body 5, a transmission roller 7, a side ventilation exhaust pipe 9, an exhaust fan 10, an air outlet pipe 11, a pressure bearing roller 12, a roller body 13, a supporting wheel 14, a second shaft head 15, hydraulic oil 16, a shaft head part channel 17, a pressure bearing cavity 18, a roller body part channel communication 19, a guide rod 20, an exhaust branch pipe 21, a piston 22, a first conductive column 24, a silica gel ball 25, a flexible conductive sheet 26, a magnet 27, an iron sheet 28, a second conductive column 29, a conductive brush sheet 30, a limiting ring 31, a spring 32, a first supporting sleeve 35, a vertical pipe 36, a transverse side branch pipe 37, an exhaust head 38, a first shaft head 39 and a second supporting sleeve 40.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

Referring to fig. 1 to 4, a microwave heating box for drying a battery plate comprises a microwave heating box body 5, a conveyor belt passing through the microwave heating box body, an exhaust fan 10 for exhausting air in the microwave heating box body, and a fan control power supply 4 for controlling the exhaust fan. The conveyor belt comprises a conveyor belt 2 which is connected together at the head to form an endless loop, a drive roller 7 which is transported in the conveyor belt and tensions the conveyor belt, and a drive motor which drives the drive roller. Thereby the drive motor drive driving roller rotates the drive transmission band and rotates and realize that the base plate passes through dry microwave heating case body and is dried. A side-through exhaust pipe 9 is arranged in the microwave heating box body, the side-through exhaust pipe is connected with the inlet end of an exhaust fan 10, and the outlet end of the exhaust fan is connected with an air outlet pipe 11;

the annular space that the transmission band encloses is equipped with bearing roller 12 in, bearing roller is established and is stressed the global supporting wheel 14 of roll body on the roll body including the roll body 13 that is located the center and cover. One end of the roller body is provided with a first shaft head 39 which is rotationally connected with the first supporting sleeve 35, the other end of the roller body is provided with a second shaft head 15 which is rotationally connected with the second supporting sleeve 40, and a shaft head part channel 17 which penetrates through the end surface of the first shaft head is arranged in the first shaft head. A pressure bearing cavity 18 extending along the circumferential direction of the supporting wheel is formed in the supporting wheel, and hydraulic oil 16 is arranged in the pressure bearing cavity. The part of the supporting wheel protruding out of the circumferential surface of the roller body is of a flexible structure, the bearing cavity is filled with hydraulic oil, and the bearing cavity is communicated with the 19-shaft head part channel through a roller body part channel arranged in the roller body; the shaft head part channel is internally provided with a guide rod 20, one end of the guide rod is provided with a piston 22 connected in the shaft head part channel in a sliding and sealing manner, the other end of the guide rod extends out of the first shaft head and is provided with a first conductive column 24, the first conductive column is a copper column, one end of the first conductive column, which is far away from the guide rod, is provided with a silica gel ball 25, the surface of the silica gel ball is coated with a flexible conductive sheet 26, and the flexible conductive sheet is a resistance card. The magnet 27 is arranged in the silica gel ball, one end of the flexible conducting sheet is connected with the first conducting column, and the other end of the flexible conducting sheet extends out of one end of the silica gel ball far away from the first conducting column; the first supporting sleeve and an iron sheet 28 which is located on the silica gel ball, is far away from the first copper column and is opposite to the flexible conducting sheet are fixed together relatively, a second conducting column 29 is welded on the iron sheet, and the second conducting column is a copper column.

The exhaust fan and the fan control power supply 4 are connected in series to form a fan power supply set, one end of the fan power supply set is communicated with the second conductive column through a wire, and the other end of the fan power supply set is connected with the conductive brush piece 30 through a wire. The conductive brush sheet continuously abuts against the first copper column; when the polar plate that the alternately piles up of putting on the transmission band passes through the pressure-bearing roller, it extrudees the supporting wheel constantly, and then makes the guide arm stretch out to the outside for the silica gel ball extrudees to the iron sheet on, makes air exhauster, fan control power, first copper post and second copper post constitute closed conductive loop, and the air exhauster begins work, and continues to discharge microwave heating case vapor via the air outlet through the side ventilation exhaust column.

A limiting ring 31 and a spring 32 are further arranged in the shaft head channel, one end of the spring is fixedly connected with the limiting ring, the other end of the spring is fixedly connected with the piston, and the spring is used for providing elastic force for driving the guide rod to contract towards the inner side of the shaft head channel. Damping grease is further arranged between the magnet and the silica gel ball. And the other side of the roller body, which is far away from the supporting wheel, is provided with a rubber wheel 35.

The tail end of the side ventilation exhaust pipe is provided with a vertical pipe 36, the vertical pipe is provided with a plurality of transverse side branch pipes 37, and the tail ends of the transverse side branch pipes are provided with exhaust heads 38. The top of the microwave heating box is provided with an air draft branch pipe 21.

In the implementation of the embodiment, the storage battery polar plates which are stacked in a crossed manner and placed on the conveying belt pass through the pressure bearing roller and continuously extrude the supporting wheels, so that the guide rods extend outwards, the silica gel balls are extruded onto the iron sheet, the exhaust fan, the fan control power supply, the first conductive columns and the second conductive columns form a closed conductive loop, the exhaust fan starts to work, and water vapor of the microwave heating box is continuously exhausted through the air outlet through the side ventilation exhaust pipe; the device realizes that the exhaust fan can be started to perform lateral air exhaust only when the storage battery pole plates which are stacked in a crossed manner pass through the bearing rollers, the storage batteries in the transverse gaps of the storage batteries are rapidly heated to generate silted water vapor and are rapidly exhausted, and when the number of the stacked storage batteries is more, the distance of outward movement of the guide rods is larger, so that the contact area between the flexible conductive sheets which are extruded and deformed and the iron sheet is larger, the resistance is smaller, the current flowing through the exhaust fan under constant voltage is larger, and the air exhaust power is larger; meanwhile, the iron sheet is adsorbed by the magnet, so that the flexible conducting sheet is tightly attached to the iron sheet and cannot fall off due to vibration generated by rotation of the bearing roller.

Claims (5)

1. A microwave heating box for drying a storage battery polar plate comprises a microwave heating box body and is characterized by further comprising a conveying belt, an exhaust fan and a fan control power supply, wherein the conveying belt penetrates through the microwave heating box body; the conveying belt is internally provided with a bearing roller for supporting the conveying belt in a penetrating manner, the bearing roller comprises a roller body and a supporting wheel which is sleeved on the roller body and protrudes out of the circumferential surface of the roller body, one end of the roller body is provided with a first shaft head which is rotatably connected to a first supporting sleeve, the other end of the roller body is provided with a second shaft head which is rotatably connected to a second supporting sleeve, a shaft head part channel which penetrates through the end surface of the first shaft head is arranged in the first shaft head, a bearing cavity which extends along the circumferential direction of the supporting wheel is arranged in the supporting wheel, hydraulic oil is arranged in the bearing cavity, the part of the supporting wheel which protrudes out of the circumferential surface of the roller body is of a flexible structure, the bearing cavity is filled with the hydraulic oil, and the bearing cavity is communicated with the shaft head part channel through a roller body part channel arranged in the roller body; a guide rod is arranged in the shaft head part channel, one end of the guide rod is provided with a piston which is connected in the shaft head part channel in a sliding and sealing mode, the other end of the guide rod extends out of the first shaft head and is provided with a first copper column, one end, far away from the guide rod, of the first copper column is provided with a silica gel ball, the surface of the silica gel ball is coated with a flexible conducting strip, a magnet is arranged inside the silica gel ball, one end of the flexible conducting strip is connected with the first copper column, and the other end of the flexible conducting strip extends out of one end, far away from the first copper column, of the silica gel ball; the first supporting sleeve and an iron sheet which is positioned on the silica gel ball, is far away from the first copper column and is opposite to the flexible conducting sheet are relatively fixed together, and a second copper column is welded on the iron sheet; air exhauster and fan control power supply establish ties and form fan power supply package, the one end of fan power supply package passes through wire intercommunication second copper post, the other end of fan power supply package passes through the wire and connects the electric brush piece, the electric brush piece lasts to be contradicted on the first copper post.

2. A microwave heating chamber for drying battery plates as in claim 1 wherein the shaft head channel further contains a retaining ring and a spring, the spring having one end connected to the retaining ring and the other end connected to the piston, the spring providing a spring force urging the guide rod to retract into the shaft head channel.

3. A microwave heating cabinet for drying battery plates as in claim 1, wherein a damping grease is further provided between said magnet and said silicone ball.

4. A microwave heating cabinet for drying battery plates as set forth in claim 1, wherein said supporting wheels are fitted around the ends of said pressure rollers.

5. A microwave oven for drying battery plates as in claim 1 wherein said flexible conductive sheet is a resistor sheet.

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