CN108190512B - Chain conveying system of electrodeposited metal negative plate - Google Patents
Chain conveying system of electrodeposited metal negative plate Download PDFInfo
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- CN108190512B CN108190512B CN201810135453.3A CN201810135453A CN108190512B CN 108190512 B CN108190512 B CN 108190512B CN 201810135453 A CN201810135453 A CN 201810135453A CN 108190512 B CN108190512 B CN 108190512B
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- chain
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- driving box
- hooks
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 25
- 239000002184 metal Substances 0.000 title claims abstract description 25
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 14
- 238000005096 rolling process Methods 0.000 claims abstract description 9
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 20
- 238000005516 engineering process Methods 0.000 description 8
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 7
- 238000001514 detection method Methods 0.000 description 7
- 229910052725 zinc Inorganic materials 0.000 description 7
- 239000011701 zinc Substances 0.000 description 7
- 230000001680 brushing effect Effects 0.000 description 5
- 230000002035 prolonged effect Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005868 electrolysis reaction Methods 0.000 description 3
- 238000005201 scrubbing Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004070 electrodeposition Methods 0.000 description 2
- 241000271510 Agkistrodon contortrix Species 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000009854 hydrometallurgy Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G49/00—Conveying systems characterised by their application for specified purposes not otherwise provided for
- B65G49/02—Conveying systems characterised by their application for specified purposes not otherwise provided for for conveying workpieces through baths of liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G17/00—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
- B65G17/20—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface comprising load-carriers suspended from overhead traction chains
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
- B65G23/24—Gearing between driving motor and belt- or chain-engaging elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
- B65G23/44—Belt or chain tensioning arrangements
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C7/00—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
- C25C7/06—Operating or servicing
- C25C7/08—Separating of deposited metals from the cathode
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrolytic Production Of Metals (AREA)
Abstract
The invention discloses a chain conveying system of an electrodeposited metal cathode plate, which comprises a left driving box, an upper beam, a lower beam, a right driving box and a chain, wherein the left driving box and the right driving box respectively comprise a variable frequency motor, a speed reducer, a driving shaft and a chain wheel, and an encoder is arranged on one motor. The chain is provided with a plurality of stations, each station corresponds to a single group of chains which comprises a plurality of chain links, each chain link comprises a rolling bearing, a chain plate and a pin shaft, and each single group of chains is provided with three lug plates which are respectively connected with two long hooks and one short hook of each station. In each station, two long hooks on two sides hang two ends of a conductive rod of the cathode plate to bear the cathode plate, and a short hook in the middle hooks the lifting lug on the upper part of the cathode plate. One end of the chain is provided with a tensioning device, and the tensioning device comprises four cylinders or four springs which are connected with the chain wheel shaft. Stable operation, low energy consumption, low noise and long service life, and is used for transporting the cathode plate of the electrodeposited metal to subsequent equipment for stripping.
Description
Technical Field
The invention relates to a stripping system of an electrodeposited metal cathode plate, in particular to a chain conveying system of the electrodeposited metal cathode plate.
Background
In the industrial production of hydrometallurgy, electro-deposition extraction is often used to produce pure metals such as gold, silver, copper, zinc, nickel, cobalt, etc. from solutions. In practice, a target metal (such as zinc) is deposited by electrolysis onto the exposed surface of the cathode plate (the cathode plate itself being an aluminium plate) in the cell (in order to separate the target metal from the cathode plate well so as not to form a single block, the edges of both sides of the cathode plate are typically covered with rubber so that the metal deposited on both sides of the cathode plate is in separate two parts).
As shown in fig. 1, the main structure of the cathode plate is an aluminum plate, and comprises a lifting lug 21 for lifting the cathode plate by a crown block, a copper head 22 for conducting an electrolysis process, a conducting rod 23 in the electrolysis process, an upper edge 24 of a zinc sheet and an insulating strip 25, wherein the upper edge 24 of the zinc sheet is the liquid level in an electrolytic tank, and the insulating strip 25 ensures that zinc sheets on the front and back sides are not adhered together in the growth process.
When the deposited metal layer reaches a certain thickness, the plate is lifted out of the electrolytic tank by using the crown block, the metal layer deposited on the cathode plate is stripped from the cathode plate by using a zinc stripping system or manually, the cathode plate is cleaned after stripping, and the cathode plate is lifted into the electrolytic tank again by using the crown block for electrodeposition and recycling.
In the zinc stripping system, there are generally the following parts:
1. a receiving system for receiving the cathode plate to be stripped from the crane;
2. the conveying system is used for conveying the cathode plate to be stripped of the receiving system, and stripping and scrubbing are sequentially carried out through stations such as pre-stripping, main stripping, plate brushing and the like;
3. a stripping and scrubbing system, typically comprising pre-stripping, main stripping, brushing plates, etc., for opening, stripping and scrubbing the cathode plate;
4. the plate taking system is used for taking down the cathode plate which is stripped on the conveying system and collecting the cathode plate to wait for the overhead travelling crane to be hung back to the electrolytic tank;
5. the stacking system is used for collecting the metal sheets stripped from the cathode plate, stacking, weighing, spraying and transmitting to the next working procedure.
The conveying system (the second point) in the prior art comprises:
(1) The driving technology of the chain comprises the following steps:
the length of the chain of the whole chain conveying system is generally more than 20 meters, meanwhile, the frequent start and stop are needed, the driving technology is of great importance, the response speed and the control precision of the chain are directly affected, two servo motors are adopted to drive the chain in the prior art, the control consistency is poor, and meanwhile, the cost is high.
(2) The chain positioning detection technology comprises the following steps:
In the prior art, a servo motor and an encoder are adopted for control, and the encoder is used for detection at the same time, but accumulated errors exist in the operation process, the accumulated errors cannot be eliminated in the operation process of the system, and when the errors are too large to influence the operation of subsequent procedures, the system cannot detect, so that equipment damage is caused to endanger safety.
(3) The structural form of the chain is as follows:
The structural form of the chain directly determines the weight of the chain, and the stability in the running process influences the selection, the running service life and the noise level of the chain driving motor in the running process.
(4) Drive form of the chain:
the existing products are all driven by two ends, namely, two motors are respectively arranged at the left end and the right end, and simultaneously drive chains to run, but the existing products are driven by servo motors, so that the cost is high.
(5) Tensioning form of the chain:
whether the chain is in tension directly affects the operating life of the chain and noise.
In the prior art, one end is tensioned mechanically, usually by a jackscrew mode, but the tensioning mode is unstable and needs manual timing inspection, and the tensioning amount is completely determined by the experience of workers.
(6) The structure and the installation form of the hook are as follows:
In the prior art, only two long hooks on two sides hang two ends of the conductive rod 23 of the cathode plate to bear the cathode plate. However, the disadvantage of this solution is that the cathode plate is fast in start-stop speed during movement, and the movement in the movement direction is easy to occur, which is not conducive to the subsequent handling of the cathode plate, such as stripping at the stripping station, removal of the cathode plate from the system at the last station, etc.
Disclosure of Invention
The invention aims to provide a chain conveying system of an electrodeposited metal cathode plate.
The invention aims at realizing the following technical scheme:
the chain conveying system of the electrodeposited metal cathode plate comprises a left driving box, an upper beam, a lower beam, a right driving box and a chain, wherein the chain is arranged on the upper beam and the lower beam, and the left driving box and the right driving box are arranged at two ends of the upper beam and the lower beam and are simultaneously connected with the chain;
The left driving box and the right driving box respectively comprise variable frequency motors, a speed reducer, a driving shaft and a chain wheel, the two variable frequency motors are controlled by a variable frequency controller, the speed reducer is directly connected to the variable frequency motors, the driving shaft is connected with the speed reducer through a tensioning sleeve, the chain wheel is connected with the driving shaft through another tensioning sleeve, the chain wheel is connected with the chain, and a hook for hanging a cathode plate is arranged on the chain.
According to the technical scheme provided by the invention, the chain conveying system of the electrodeposited metal cathode plate can quickly move the cathode plate to one or more stations, is stable in operation, low in energy consumption, low in noise and long in service life, is used for conveying the electrodeposited metal cathode plate to follow-up equipment for stripping, and can quickly and stably convey the cathode plate to be stripped to the stripping system so as to strip the metal sheet.
Drawings
FIG. 1 is a schematic structural view of a cathode plate;
FIG. 2a is a schematic side view of a chain conveyor system for electrodeposited metal cathode plates according to an embodiment of the present invention;
FIG. 2b is a schematic top view of a chain transport system for electrodeposited metal cathode plates according to an embodiment of the present invention;
FIG. 2c is an enlarged schematic view of the portion A of FIG. 2 a;
FIG. 3 is a schematic station diagram of an embodiment of the present invention;
fig. 4 is a schematic structural view of a single chain set according to an embodiment of the present invention.
Detailed Description
Embodiments of the present invention will be described in further detail below. What is not described in detail in the embodiments of the present invention belongs to the prior art known to those skilled in the art.
The chain transportation system of the electrodeposited metal cathode plate comprises the following preferred specific embodiments:
the device comprises a left driving box, an upper beam, a lower beam, a right driving box and a chain, wherein the chain is arranged on the upper beam and the lower beam, and the left driving box and the right driving box are arranged at two ends of the upper beam and the lower beam and are simultaneously connected with the chain;
The left driving box and the right driving box respectively comprise variable frequency motors, a speed reducer, a driving shaft and a chain wheel, the two variable frequency motors are controlled by a variable frequency controller, the speed reducer is directly connected to the variable frequency motors, the driving shaft is connected with the speed reducer through an expansion sleeve, the chain wheel is connected with the driving shaft through another expansion sleeve, the chain wheel is connected with the chain, and a hook for hanging a cathode plate is arranged on the chain.
At least one of the two variable frequency motors is provided with an encoder.
The chain is provided with a plurality of stations, each station is provided with two long hooks, a short hook is arranged between the two long hooks, and independent position sensors are respectively arranged at the positions of the two long hooks corresponding to one station.
The chain comprises single groups of chains with the same width as each station, each single group of chains comprises a plurality of chain links, and each chain link comprises a rolling bearing, a chain plate and a pin shaft.
Three ear plates are arranged on each group of single-group chains and are respectively connected with two long hooks and one short hook of each station.
The lug plate is provided with a bolt hole and is connected with the hook bolt.
In each station, two long hooks on two sides hang two ends of a conductive rod of the cathode plate to bear the cathode plate, and a short hook in the middle hooks a lifting lug on the upper part of the cathode plate (the short hook is arranged in the lifting lug and acts as a limit of the moving direction).
One end of the chain is provided with a tensioning device, and the tensioning device is of a structure that four cylinders are connected with a chain wheel shaft or of a structure that four springs are connected with the chain wheel shaft.
The chain conveying system of the electrodeposited metal cathode plate is used for conveying the electrodeposited metal cathode plate to follow-up equipment for stripping, and can quickly and stably convey the cathode plate to be stripped to the stripping system so as to strip the metal sheet.
The key technology related to the invention comprises the following steps:
(1) Chain driving technique
The chain of the whole chain conveying system is generally over 20 meters, and meanwhile, frequent start and stop are needed, so that the driving technology is important, and the response speed and the control precision of the chain are directly influenced.
The invention adopts two variable frequency motors and encoders to drive the chains. And in the running process, the variable frequency motor is precisely controlled by the variable frequency controller. The adoption of the frequency conversion control encoder has the advantages that: the two motors are controlled by one frequency converter, so that the control consistency is good, and the cost is low. The control precision can be ensured and checked by the information fed back by the encoder, and the control precision is high.
(2) Chain positioning detection technology
The invention adopts the variable frequency motor and the encoder to control, adopts the encoder to detect the stopping precision, and simultaneously uses two proximity sensors to detect two long hooks in a group of hooks so as to check whether the precision of the chain after stepping by the encoder meets the requirement.
(3) Structural form of chain
The structural form of the chain directly determines the weight of the chain, and the stability in the running process influences the selection, the running service life and the noise level of the chain driving motor in the running process.
The chain structure of the invention is shown in figure 4, the single-group chain 6 is composed of a plurality of chain links, the length of the single-group chain is equal to the width of each station, each chain link is composed of a rolling bearing 61, a chain plate 62 and a pin 63, and the resistance of the chain in the running process can be obviously reduced by adopting the rolling bearing 61, the service life is prolonged, and the noise is reduced; only three lugs 11 are used for connecting the hooks on each group, and no lugs are arranged on the rest, so that the dead weight of the chain is reduced, the power of the motor is reduced, and the service life of the motor is prolonged.
(4) Drive form of chain
The invention drives the speed reducer to drive the transmission shaft for driving by the two variable frequency motors, thereby reducing the cost.
(5) Tensioning form of chain
Whether the chain is in tension directly affects the operating life of the chain and noise.
The invention is one-end tensioning, but two different tensioning modes are designed, and the tensioning effect is good. Four cylinders drive the chain wheel shafts to tension, and the chain can be automatically tensioned without manual repeated adjustment by setting air pressure; one is that four springs drive the sprocket shaft to tension, and the first pre-tightening can guarantee long-time stable operation after in place.
(6) Structure and installation form of hook
According to the invention, two long hooks on two sides are designed on each group of hooks, and meanwhile, one middle hook is added, so that the transverse movement of the cathode plate can be limited when the cathode plate rapidly steps by utilizing the form of the triangular crown block lifting lug 21 on the upper end of the cathode plate, and the treatment of subsequent procedures is facilitated.
The invention can rapidly move the cathode plate to one or more stations of the transportation system, and has the advantages of stable operation, low energy consumption, low noise and long service life, and the invention has the following key points:
a driving system which is quick, stable, accurate and has enough driving force;
The accurate control and detection system ensures that the chain can accurately step and rechecks the stepping precision.
The chain has the advantages of light weight, firm structure, long service life and low noise.
The driving mode with low cost can ensure the service performance at the same time.
Simple, stable and reliable tensioning device without excessive manual intervention.
The chain, the hook and the cathode plate are perfectly combined, the stability is kept in the stepping process, and the risk of jumping or falling does not occur.
Specific examples:
the whole operation flow (taking the example that the cathode plate below the chain runs from left to right, namely the chain rotates anticlockwise):
Every three hooks (2 are long and 1 short) of the chain are in one group, the first group corresponds to a first station, the second group corresponds to a second station, and so on. As shown in fig. 3, the cathode plates 81-90 are suspended from the first to tenth stations, respectively.
The first station is a hanging plate station, the tenth station is a plate taking station, and stripping and brushing systems are arranged between the second station and the ninth station and comprise equipment such as pre-stripping, main stripping, plate brushing and the like and are used for opening, stripping and brushing the cathode plate.
The No. 81 negative plate is hung on the No. one station by other conveying equipment, and the No. 90 negative plate is taken down from the No. ten station by other conveying equipment. At the moment, the system drives a chain to drive the 81-89 number cathode plate to move rightwards by one station, the 81 number cathode plate reaches the second station, the 89 number cathode plate reaches the tenth station, and one operation flow is finished.
At the same time: n plates can be hung at one time, namely 1-N are hanging plate stations; n+1- - -M is a stripping station; M-M+N is a plate taking station.
As shown in fig. 2a, 2b, 2c, the chain main body includes a left drive box 1, an upper cross member 7, a lower cross member 8, a right drive box 9, a chain 6, and the like.
(1) Driving system
The whole chain system is driven by a left driving box 1 and a right driving box 9 at the same time, and the inner structure of the driving box comprises a variable frequency motor 11, a speed reducer, a driving shaft and a chain wheel 10. A frequency converter drives two variable frequency motors to work simultaneously, a speed reducer is directly connected to the motors, a driving shaft is connected with the speed reducer through an expansion sleeve, and a chain wheel is connected with the driving shaft through the expansion sleeve. Finally, the chain is driven by the chain wheel, the chains drive the hooks 3 and 4, and the hooks drive the cathode plate 5 to move.
(2) Detection system
The chain needs to drive the cathode plate to accurately move from one station to the next station, and a positioning detection technology is needed.
According to the invention, the running precision of the chain is controlled by installing the encoder on one motor, and meanwhile, whether two long hooks in a group of chains are in place or not is detected by the other two independent position sensors, so that the running precision of the chain is checked.
(3) Chain structure
As shown in the figure 4, the chain structure of the invention is that a single group of chains (6) consists of a plurality of chain links, the length of the single group of chains is equal to the width of each station, each chain link consists of a rolling bearing (61), a chain plate (62) and a pin roll (63), and the resistance in the running process of the chain can be obviously reduced by adopting the rolling bearing (61) instead of a common roller, the service life is prolonged and the noise is reduced; only three lugs 12 are used for connecting the hooks 3 and 4 on each group, and no lugs are arranged on the rest, so that the dead weight of the chain is reduced, the power of the motor is reduced, and the service life of the motor is prolonged.
The ear plate is provided with a bolt hole for bolt connection with the hook.
(4) Tensioning of chain
The invention is one-end tensioning, but two different tensioning modes are designed, and the tensioning effect is good. Four cylinders drive the chain wheel shafts to tension, and the chain can be automatically tensioned without manual repeated adjustment by setting air pressure; one is that four springs drive the sprocket shaft to tension, and the first pre-tightening can guarantee long-time stable operation after in place.
(5) Structure and installation form of hook
According to the invention, aiming at the situation, two long hooks 3 on two sides are designed on each group of hooks, and meanwhile, a middle hook 4 is additionally arranged on each group of hooks, the two long hooks on two sides hang two ends of a conductive rod 23 of a cathode plate to bear the cathode plate, and the middle hook 3 utilizes a triangular crown block lifting lug 21 on the upper end of the cathode plate to limit the cathode plate, so that the cathode plate can be limited to transversely move when rapidly stepping, the stability of the cathode plate during operation is maintained, and the treatment of subsequent procedures is facilitated.
The invention has the technical effects that:
(1) The driving system adopting one frequency converter to drive two variable frequency motors has the following advantages:
1. The synchronous driving of the two motors at the moment is ensured, the consistency of the driving system is ensured, and the driving system is possibly affected by the use of the two servo motors due to the difference of rotation speeds of the two servo motors.
2. Under the same power, the cost of the frequency converter for controlling the variable frequency motor is superior to that of the servo motor.
(2) The encoder is combined with the position sensor to locate and detect the way, the advantage is:
1. The accuracy of control can be guaranteed, stepping accuracy can be checked every time, errors of the encoder can be corrected, the error of the encoder can be timely detected after exceeding the allowable range of the equipment, and the two position sensors are used for resetting, so that the automation degree is high, and the equipment stability is good.
(3) Chain structure, the advantage has:
by adopting the chain structure, the resistance of the rolling bearing in running can be obviously reduced, the noise is reduced, and the service life is prolonged compared with the conventional roller; the lug plate is placed at the position of the connecting hook, and the lug plate is canceled at the other positions, so that the dead weight of the chain can be reduced, and the load of a transmission system is reduced.
(4) Chain tensioning, the advantage has:
Compared with the traditional mechanical tensioning, the pneumatic tensioning device has the advantages that the pneumatic tensioning device is higher in stability and reliability, and meanwhile labor intensity of workers is reduced.
(5) The installation form of three hooks of each group is adopted, and the advantages are that:
Can restrict the movement of the cathode plate in the rapid movement process, improve the stability of the cathode plate transportation system and bring convenience to the subsequent treatment process.
In the specific application, when the form of the cathode plate changes or the lifting lug of the crown block changes, the middle hook limits when the chain steps.
The key points of the technology of the invention are as follows:
1. The variable frequency motors are used, and a control mode that one frequency converter simultaneously controls two variable frequency motors is adopted;
2. The error can be found and corrected in time by adopting a control detection mode of combining an encoder with a position sensor;
3. The special chain structure is adopted, the traditional roller is changed into a rolling bearing, the lug plates are only placed at the positions where the hooks are arranged, and the lug plates are not arranged at the other positions;
4. Adopting a cylinder or spring tensioning mode;
5. Two long hooks are used for bearing and the short hooks are used for limiting by adopting a three-hook mode.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present invention should be included in the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.
Claims (1)
1. The chain conveying system of the electrodeposited metal cathode plate is characterized by comprising a left driving box, an upper beam, a lower beam, a right driving box and a chain, wherein the chain is arranged on the upper beam and the lower beam, and the left driving box and the right driving box are arranged at two ends of the upper beam and the lower beam and are simultaneously connected with the chain;
The left driving box and the right driving box respectively comprise variable frequency motors, a speed reducer, a driving shaft and a chain wheel, wherein the two variable frequency motors are controlled by a variable frequency controller, the speed reducer is directly connected to the variable frequency motors, the driving shaft is connected with the speed reducer through a tensioning sleeve, the chain wheel is connected with the driving shaft through another tensioning sleeve, the chain wheel is connected with the chain, and a hook for hanging a cathode plate is arranged on the chain;
at least one motor of the two variable frequency motors is provided with an encoder;
the chain is provided with a plurality of stations, each station is provided with two long hooks, a short hook is arranged between the two long hooks, and independent position sensors are respectively arranged at the positions of the two long hooks corresponding to one station;
The chain comprises single groups of chains with the same width as each station, each single group of chains comprises a plurality of chain links, and each chain link comprises a rolling bearing, a chain plate and a pin shaft;
three ear plates are arranged on each single-group chain and are respectively connected with two long hooks and one short hook of each station;
the lug plate is provided with a bolt hole and is connected with the hook bolt;
in each station, two long hooks on two sides hang two ends of a conductive rod of the cathode plate to bear the cathode plate, and a short hook in the middle hooks the lifting lug on the upper part of the cathode plate;
One end of the chain is provided with a tensioning device, and the tensioning device is of a structure that four cylinders are connected with a chain wheel shaft or of a structure that four springs are connected with the chain wheel shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810135453.3A CN108190512B (en) | 2018-02-09 | 2018-02-09 | Chain conveying system of electrodeposited metal negative plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810135453.3A CN108190512B (en) | 2018-02-09 | 2018-02-09 | Chain conveying system of electrodeposited metal negative plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108190512A CN108190512A (en) | 2018-06-22 |
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| CN109178793A (en) * | 2018-07-19 | 2019-01-11 | 苏州卓诚钛设备有限公司 | A kind of titanium eguipment transmission device |
| CN109055980B (en) * | 2018-07-26 | 2020-12-04 | 北矿机电科技有限责任公司 | Zinc electrolysis negative plate scrubbing unit |
| CN109650005A (en) * | 2019-01-04 | 2019-04-19 | 浙江梅轮电梯股份有限公司 | A kind of online dusting device of robot and its application method |
| CN111591675A (en) * | 2020-05-26 | 2020-08-28 | 成都宏明双新科技股份有限公司 | Electrophoresis production line with empty stores pylon function of transportation |
| CN111661568A (en) * | 2020-06-30 | 2020-09-15 | 浙江德马科技股份有限公司 | Linear cross belt sorting machine driving end mechanism |
| CN112758759B (en) * | 2021-01-21 | 2023-12-26 | 中材大装膜技术工程(大连)有限公司 | Automatic rope threading device for film production and film threading method of film threading rope |
| CN114104609B (en) * | 2022-01-25 | 2022-04-08 | 湖南省蚕桑科学研究所 | External material conveying device based on edible mushroom processing equipment |
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