CN104762641B - Stripping system for electrodeposited metals - Google Patents
Stripping system for electrodeposited metals Download PDFInfo
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- CN104762641B CN104762641B CN201510209412.0A CN201510209412A CN104762641B CN 104762641 B CN104762641 B CN 104762641B CN 201510209412 A CN201510209412 A CN 201510209412A CN 104762641 B CN104762641 B CN 104762641B
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- cathode plate
- limiting
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 38
- 239000002184 metal Substances 0.000 title claims abstract description 38
- 150000002739 metals Chemical class 0.000 title description 4
- 230000001360 synchronised effect Effects 0.000 claims abstract description 27
- 239000002131 composite material Substances 0.000 claims description 8
- 230000002457 bidirectional effect Effects 0.000 claims description 7
- 238000005096 rolling process Methods 0.000 claims description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 43
- 229910052725 zinc Inorganic materials 0.000 description 43
- 239000011701 zinc Substances 0.000 description 43
- 229910000831 Steel Inorganic materials 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- 239000010959 steel Substances 0.000 description 10
- 238000005520 cutting process Methods 0.000 description 9
- 230000009286 beneficial effect Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004070 electrodeposition Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 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
- 230000008602 contraction Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000005363 electrowinning Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 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
- 238000009776 industrial production Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Electrolytic Production Of Metals (AREA)
Abstract
The invention discloses a stripping system for electrodeposited metal, which comprises: the frame is of a vertical frame structure; the telescopic driving device is fixedly arranged at the upper part of the frame and is provided with a telescopic driving end; the negative plate supporting device is arranged in the middle of the frame; the metal plate receiving hopper is arranged at the lower part of the frame; the stripping mechanism is connected to a telescopic driving end of the telescopic driving device, and the telescopic driving end faces the cathode plate supporting device and can drive the stripping mechanism to move up and down along the cathode plate supported by the cathode plate supporting device; the multi-directional limiting device of the stripping mechanism arranged on the frame is connected with the stripping mechanism, and the multi-directional limiting device of the stripping mechanism carries out multi-directional positioning on the up-and-down movement of the stripping mechanism; the peeling mechanism includes: the device comprises a support frame, a left rotating shaft, a right rotating shaft, a left knife rest, a right knife rest, a main stripping knife synchronous opening and closing mechanism, a main stripping knife limiting mechanism, two included angle adjusting devices and a main stripping knife. The stripping system can avoid damage to the cathode plate during stripping of electrodeposited metal from the cathode plate.
Description
Technical Field
The invention relates to the field of hydrometallurgical electrodeposition equipment, in particular to an electrodeposited metal stripping system, which is used for stripping metal deposited on a cathode plate.
Background
In the industrial production in the hydrometallurgical field, pure metals such as gold, silver, copper, zinc, nickel, cobalt, etc. are often produced from solutions by electrowinning. In practice, a target metal (such as zinc) is deposited on the exposed surface of a cathode plate (the cathode plate is an aluminum plate) in an electrolytic tank by electrolysis (in order to separate the target metal from the cathode plate well and not to form a whole, the two side edges of the cathode plate are usually wrapped by rubber, so that the metal deposited on the two sides of the cathode plate is two independent parts, the cathode plate is as shown in fig. 1, wherein 21 is a lifting lug when a crane lifts the cathode plate, 22 is a conducting rod in the electrolytic process, 23 is an insulator and is used for ensuring that zinc is not deposited at the position, thereby being beneficial to pre-opening a zinc sheet, 24 is the upper edge of the zinc sheet, namely the liquid level in the electrolytic tank, and 25 is an insulating strip to ensure that the zinc plates on the front and back sides are not adhered together in the deposition process). When the deposited metal layer reaches a certain thickness, the cathode plate is lifted out of the electrolytic bath by the crown block, the metal layer deposited on the cathode plate is stripped from the cathode plate, and after the cathode plate is cleaned, the cathode plate is hung into the electrolytic bath by the crown block again for recycling. Due to the reasons of the process in China, impurities in target metal are higher than those in foreign countries (particularly fluorine and chlorine), so that the deposited target metal layer is firmly bonded with the cathode plate, and the target metal layer is difficult to strip by manual work or a traditional cathode zinc stripping machine.
At present, two manufacturers in the field abroad have the stripping system technology: baorworth of lucenberg; tri-well in Japan. Wherein the process of stripping zinc of the Baorwott comprises the following steps: 1. the stripping knife is opened, the negative plate is lifted to a designated position by the lifting mechanism, and meanwhile, the zinc receiving hopper with a controllable opening is also lifted to a certain height below the negative plate; 2. the main stripping knife is closed and kept still, the negative plate is continuously lifted until the zinc sheet is completely stripped, and the zinc receiving hopper is lifted along with the negative plate in the lifting process of the negative plate until the zinc sheet falls into the zinc receiving hopper; 3. the main stripping knife is opened, the negative plate and the zinc receiving hopper fall down simultaneously, after the zinc receiving hopper falls in place, the door at the bottom of the zinc receiving hopper is opened, the zinc sheet falls off, and the zinc sheet receiving and stacking process is started.
The stripping system of any manufacturer basically comprises a driving device for downward movement of the main stripping knife relative to the cathode plate, a limiting device for downward movement of the main stripping knife relative to the cathode plate, a device for closing and opening the main stripping knife, a knife rest and a stripping knife; the inventors have found that the existing stripping systems suffer from at least the following problems: for example, in the bayrott scheme, the device for controlling the opening and closing of the scraper uses one cylinder on each side of the scraper to control the opening and closing of the scraper. In this way, the opening and closing synchronism of the scrapers at the two sides is difficult to ensure; in addition, an adjusting device for an included angle between the cutter and the cutter rest relative to the cathode plate is not provided, so that the requirement on the machining precision of the cutter and the cutter rest is high if the stripping cutter is parallel to the cathode plate, and meanwhile, after the stripping cutter and the cutter rest continuously work for a period of time, the cutter and the cutter rest are difficult to avoid deformation, and the cathode plate can be damaged during stripping. In the scheme of the three-well in Japan, the device for controlling the opening and closing of the main stripping knife is that two oil cylinders are arranged on a frame, two sides of the main stripping knife are respectively provided with one oil cylinder, one end of each oil cylinder is fixed on the frame, the other end of each oil cylinder is connected with a rectangular steel, the main stripping knife rest is welded with the rectangular steel, and the rectangular steel at one end of each oil cylinder is sleeved outside the rectangular steel of the knife rest and can slide in the rectangular steel at one end of each oil cylinder. The opening and closing of the main peeling knife is controlled by the stretching of the oil cylinder. Because the rectangular steel of the tool rest is longer in length and slides in the rectangular tube of the oil cylinder. After the oil cylinder is stretched, the rectangular steel on the oil cylinder is fixed in position, the rectangular steel of the tool rest slides in the oil cylinder, and the tool rest is long in length and difficult to avoid deformation of the rectangular steel, so that the stripping tool at the lower end of the tool rest can move irregularly along with the deformation of the rectangular steel of the tool rest, and can scratch a cathode plate; according to the cutter adjusting device in the scheme, the spring is arranged between the two sliding rectangular tubes, the cutter relieving tool can have a certain adjusting amount, but the cutter relieving tool is passively adjusted by the spring and cannot be actively adjusted, and the problem that the negative plate is scratched if the deformation amount is larger than the passive amount of the spring exists.
Disclosure of Invention
Based on the problems of the prior art, the invention provides an electrodeposited metal stripping system which can prevent a cathode plate from being damaged in the process of stripping electrodeposited metal from the cathode plate.
In order to solve the above technical problems, the present invention provides an electrodeposited metal stripping system, comprising:
the device comprises a frame, a telescopic driving device, a cathode plate supporting device, a metal plate receiving hopper, a multi-directional limiting device of a stripping mechanism and the stripping mechanism; wherein,
the rack is of a vertical frame structure;
the telescopic driving device is fixedly arranged at the upper part of the frame and is provided with a telescopic driving end which can extend out or retract;
the cathode plate supporting device for supporting the cathode plate is arranged in the middle of the rack;
the metal plate receiving hopper is arranged at the lower part of the rack;
the stripping mechanism is connected to a telescopic driving end of the telescopic driving device, and the telescopic driving end faces the cathode plate supporting device and can drive the stripping mechanism to move up and down along the cathode plate supported by the cathode plate supporting device;
the multi-directional limiting device of the stripping mechanism, which is arranged on the rack and can move up and down along the rack, is connected with the stripping mechanism, and the multi-directional limiting device of the stripping mechanism carries out multi-directional limiting on the up-and-down movement of the stripping mechanism;
the peeling mechanism includes: the device comprises a support frame, a left rotating shaft, a right rotating shaft, a left tool rest, a right tool rest, a main stripping knife synchronous opening and closing mechanism, a main stripping knife left limiting mechanism, a main stripping knife right limiting mechanism, two included angle adjusting devices and a main stripping knife;
the support frame is connected with a telescopic driving end of the telescopic driving device, and two sides of the support frame are connected with a multi-directional limiting device of the stripping mechanism; the left rotating shaft and the right rotating shaft are oppositely arranged on the supporting frame, the left tool rest and the right tool rest are both in a long-strip-shaped structure, the left tool rest and the right tool rest are respectively movably arranged on the left rotating shaft and the right rotating shaft and can rotate around the left rotating shaft and the right rotating shaft by a preset angle, and the left tool rest and the right tool rest are symmetrical relative to the central plane of a cathode plate arranged on the cathode plate supporting device; the main stripping knife synchronous opening and closing mechanism is arranged on the support frame, two ends of a driving part of the main stripping knife synchronous opening and closing mechanism are respectively movably connected with the top ends of the left side knife rest and the right side knife rest, and a synchronous part of the main stripping knife synchronous opening and closing mechanism is respectively movably connected with the top ends of the left side knife rest and the right side knife rest through two included angle adjusting devices; the main stripping knife left limiting mechanism and the main stripping knife right limiting mechanism are respectively arranged on the supporting frame, the top end of the left side knife rest is arranged in a limiting space of the main stripping knife left limiting mechanism, and the top end of the right side knife rest is arranged in a limiting space of the main stripping knife right limiting mechanism; the bottom of the left side tool rest and the bottom of the right side tool rest are respectively provided with the main stripping knives, and inverted V-shaped parts with two sides low and middle high are formed between the main stripping knives on the main stripping knife rests on the two sides.
The invention has the beneficial effects that: the telescopic driving device which is fixedly arranged at the upper part of the frame and is provided with a telescopic driving end capable of extending out or retracting back is used as a driving device of the stripping mechanism and is matched with the multidirectional limiting device of the stripping mechanism arranged on the frame, so that the up-and-down movement of the stripping mechanism is controlled in a simpler structure and a control mode, and the stripping mechanism can bear loads in multiple modes; through adopting the synchronous mechanism that opens and shuts of main broach and the cooperation of main broach stop gear in peeling mechanism, utilize the main knife rest that peels off that drive unit and synchronizing part can control both sides to drive the main broach and open and shut in step, synchronizing part passes through contained angle adjusting device and is connected with main broach frame simultaneously, the parallel state of main broach of initiative adjustment that can be convenient and negative plate, thereby avoid opening and shutting because of can not synchronous control main broach, and the parallel state of main broach and negative plate can not the initiative adjustment, lead to when the difficult metal deposit of peeling off of impurity is big, main broach harms the problem of negative plate.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
FIG. 1 is a schematic view of a cathode plate provided in the prior art;
FIG. 2 is a schematic view of a stripping system provided in accordance with an embodiment of the present invention;
FIG. 3 is a schematic view of a stripping mechanism of the stripping system provided by an embodiment of the present invention;
FIG. 4 is a schematic view of an angle adjusting device of a peeling mechanism according to an embodiment of the present invention;
FIG. 5 is a schematic view of a main stripping blade of the stripping mechanism provided in the embodiment of the invention;
FIG. 6 is a schematic diagram of a hydraulic control system of the stripping system provided by an embodiment of the present invention;
FIG. 7 is a schematic view of a cathode plate support assembly of a stripping system according to an embodiment of the present invention;
in fig. 2 to 7, the reference numerals are: 1-a guide rail; 2-a compound roller; 3-a back plate; 4-a support frame; 5-a master cylinder; 6-included angle adjusting device; 31-left connector; 32-a lock nut; 33-a two-way stud; 34-right connector; 7-an inner limiting device; 8-opening and closing the oil cylinder; 9-a guide cylinder; 10-an outer limiting device; 11-a guide post; 12-a cathode plate stopper; 13-a support plate; 131-a cathode plate clamping groove; 14-a cathode plate; 15-main stripping knife edge; 16-a main stripping tool holder; 161-left tool post; 162-right blade holder; 17-a receiving hopper; 18-a spindle for rotation of the tool holder; 19-a frame.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 2, an embodiment of the present invention provides an electrodeposited metal stripping system for stripping metal deposits from a cathode plate quickly and efficiently without damaging the cathode plate in a hydrometallurgical electrodeposition process, the system comprising:
the device comprises a frame, a telescopic driving device, a cathode plate supporting device, a metal plate receiving hopper, a multi-directional limiting device of a stripping mechanism and the stripping mechanism; wherein,
the frame is of a vertical frame structure;
the telescopic driving device is fixedly arranged at the upper part of the frame and is provided with a telescopic driving end which can extend out or retract;
the negative plate supporting device for supporting the negative plate is arranged in the middle of the rack;
the metal plate receiving hopper is arranged at the lower part of the frame;
the stripping mechanism is connected to a telescopic driving end of the telescopic driving device, and the telescopic driving end faces the cathode plate supporting device and can drive the stripping mechanism to move up and down along the cathode plate supported by the cathode plate supporting device;
the multi-directional limiting device of the stripping mechanism, which is arranged on the rack and can move up and down along the rack, is connected with the stripping mechanism, and the multi-directional limiting device of the stripping mechanism carries out multi-directional limiting on the up-and-down movement of the stripping mechanism;
the peeling mechanism includes: the device comprises a support frame, a left rotating shaft, a right rotating shaft, a left tool rest, a right tool rest, a main stripping knife synchronous opening and closing mechanism, a main stripping knife left limiting mechanism, a main stripping knife right limiting mechanism, two included angle adjusting devices and a main stripping knife;
the support frame is connected with a telescopic driving end of the telescopic driving device, and two sides of the support frame are connected with the multi-directional limiting device of the stripping mechanism; the left rotating shaft and the right rotating shaft are oppositely arranged on the supporting frame, the left tool rest and the right tool rest are both in a strip-shaped structure, the left tool rest and the right tool rest are respectively movably arranged on the left rotating shaft and the right rotating shaft and can rotate around the left rotating shaft and the right rotating shaft by a preset angle, and the left tool rest and the right tool rest are symmetrical relative to the central plane of a cathode plate arranged on the cathode plate supporting device; the synchronous opening and closing mechanism of the main stripping knife is arranged on the support frame, two ends of a driving part of the synchronous opening and closing mechanism of the main stripping knife are respectively movably connected with the top ends of the left knife rest and the right knife rest, and a synchronous part of the synchronous opening and closing mechanism of the main stripping knife is respectively movably connected with the top ends of the left knife rest and the right knife rest through two included angle adjusting devices; the main stripping knife left limiting mechanism and the main stripping knife right limiting mechanism are respectively arranged on the support frame, the top end of the left side knife rest is arranged in the limiting space of the main stripping knife left limiting mechanism, and the top end of the right side knife rest is arranged in the limiting space of the main stripping knife right limiting mechanism; the bottom of the left tool rest and the bottom of the right tool rest are respectively provided with a main stripping knife, and inverted V-shaped parts with two sides low and middle high are arranged between the main stripping knives on the main stripping tool rests on the two sides.
As shown in fig. 2, in the stripping system, the telescopic driving device adopts a hydraulic driving cylinder (i.e. the main cylinder 5 in fig. 2), the hydraulic driving cylinder adopts a long-stroke cylinder, a cylinder body of the hydraulic driving cylinder is fixedly arranged at the upper part of the frame, a hydraulic rod as a telescopic driving end can extend and retract up and down from the cylinder body at the upper part of the frame, the hydraulic rod faces the cathode plate supporting device, the hydraulic driving cylinder is provided with a full-stroke sensor for measuring the position of the hydraulic rod of the cylinder, and the purpose of driving the stripping mechanism with the main stripping knife to move up and down is achieved through the extension and retraction of the. The driving device for driving the stripping mechanism by using the single hydraulic driving oil cylinder has the advantages of simple structure, reliability, rapidness and enough driving force, and can be matched with a full-stroke sensor for measuring the position of a hydraulic rod of the oil cylinder, so that the position of the main stripping knife at any moment can be known when the main stripping knife moves up and down, thereby facilitating the subsequent accurate control of the position of the main stripping knife and accurately stripping metal deposits (such as zinc stripping) from a cathode plate.
As shown in fig. 2 and 3, in the stripping system, the driving component of the main stripping knife synchronous opening and closing mechanism of the stripping mechanism adopts an oil cylinder (i.e. the opening and closing oil cylinder 8 in fig. 2) transversely arranged between the left knife rest and the right knife rest, the middle of the oil cylinder is fixedly arranged on the supporting frame, and two ends of the oil cylinder are respectively movably connected with the upper ends of the left knife rest and the right knife rest. As shown in figure 3, the synchronous components of the stripping mechanism are a guide post arranged on the support frame and a guide cylinder arranged on the guide post, the guide cylinder can enable the knife rests on the left side and the right side to be synchronously opened and closed, and the guide cylinder is respectively movably connected with the upper ends of the left knife rest and the right knife rest through two included angle adjusting devices. Specifically, two ends of the opening and closing oil cylinder 8 are respectively connected with two side tool rests 161 and 162 of the main stripping tool rest 16, the guide cylinder 9 is respectively connected with the two side tool rests 161 and 162 of the top end 16 of the main stripping tool rest through two included angle adjusting devices 6, and the guide cylinder 9 slides in the guide column 11. When the opening and closing oil cylinder 8 extends and contracts, the top ends of the tool rests 161 and 162 on the two sides can move synchronously due to the existence of the guide cylinder 9. When the top ends of the two side tool rests 161 and 162 of the main stripping tool rest 16 move synchronously, the two side tool rests 161 and 162 rotate around the respective rotating shafts 18, and the distance between the upper ends of the two side tool rests is controlled through the extension and retraction of the opening and closing oil cylinder, so that the bottom ends of the tool rests can be controlled to be opened and closed, the cutting edges of the main stripping tools arranged at the bottom ends of the two side tool rests 161 and 162 of the main stripping tool rest can be synchronously opened and closed, and the cathode plate is prevented from being scratched under the asynchronous condition. The synchronous opening and closing mechanism of the main stripping knife can achieve the effect of synchronous opening and closing of the main stripping knife on the premise that only one oil cylinder is used, and is simple in structure, simpler to control and better in synchronous effect of the main stripping knife.
As shown in fig. 3, the main stripping knife left limiting mechanism and the main stripping knife right limiting mechanism of the main stripping knife limiting mechanism in the stripping mechanism have the same structure and are both composed of an inner limiting device and an outer limiting device which are arranged on the supporting frame at intervals, and a limiting space is arranged between the inner limiting device and the outer limiting device.
As shown in fig. 3, in the peeling mechanism, the multi-directional stopper of the peeling mechanism includes: two guide rails, two groups of composite rollers and two back plates; the two guide rails are vertically and oppositely arranged on the rack, the two groups of composite rollers are respectively arranged in the two guide rails, and the two groups of composite rollers are respectively fixedly connected with the two sides of the support frame of the stripping mechanism through the two back plates. Each group of composite rollers consists of two rollers, and the two rollers are in rolling contact with the bottom surface and the two side surfaces of the guide rail in the guide rail. The limiting device with simple and reliable structure has the advantages that: the rolling resistance is less than the sliding resistance, and is more smooth when main broach is peeled off downwards, and the life-span of compound gyro wheel and guide rail is also longer, in addition because compound gyro wheel rolls on three faces, when main broach is peeled off zinc downwards, can bear about and the load of two directions around with, can bear the power of two other directions except upper and lower direction like this, bear the ability of load and be superior to the spacing mode of prior art folk prescription, spacing effectual simultaneously. The problem that the main stripping knife strips metal deposits or damages the cathode plate due to the influence of loads in different directions is solved.
As shown in fig. 4, the included angle adjusting device of the peeling mechanism is a connecting rod which is composed of a left connecting piece, a right connecting piece and a bidirectional screw device connected between the left connecting piece and the right connecting piece and can adjust the length; the left connecting piece and the right connecting piece are internally provided with mutually reverse threads (if the left connecting piece is a left-handed thread, the right connecting piece is a right-handed thread, or the thread directions of the left connecting piece and the right connecting piece are reversed, only the thread matching with a bidirectional screw is ensured), the bidirectional screw device is formed by a bidirectional screw arranged at one end of a locking nut, one end of the bidirectional screw is arranged in the thread of the left connecting piece and is in threaded connection with the left connecting piece, and the other end of the bidirectional screw is arranged in the thread of the right connecting piece and is in threaded connection with the right connecting piece. Specifically, the included angle adjusting device 6 is structured as shown in fig. 4, the two-way stud 33 is a two-way stud, one end of the two-way stud is left-handed and the other end of the two-way stud is right-handed, the two-way stud is rotated in the threads of the two connecting pieces by screwing, the distance between the left and right connecting pieces 31 and 34 on the two sides can be adjusted, and the distance between the top ends of the tool holders 161 and 162 on the two sides and the guide cylinder 9 can be finely adjusted. There are two contained angle adjusting device 6 with the knife rest, every contained angle adjusting device 6 all can be adjusted alone, and then can make things convenient for the contained angle of the cutting edge of the main broach of active adjustment control and negative plate, reaches when the broach is closed, and cutting edge and negative plate can be parallel completely, guarantee four parallel and negative plate that the broach homoenergetic is better, avoid damaging the negative plate when peeling off, simple structure moreover, easy and simple to handle. And after the adjustment is finished, the locking nut is screwed, and the effect is to prevent the two-way screw rod and the connecting pieces at the two sides from rotating relatively.
As shown in fig. 5, in the stripping system, the main stripping knife is composed of four stripping knives, two stripping knives are respectively arranged on the left side knife rest and the right side knife rest, a gap is left between the two stripping knives on the main stripping knife rest on each side, after the stripping knives are installed on the knife rests, the stripping knives are inverted V-shaped, the two sides are low, the middle is high, and the stripping knives conform to the shape that the zinc plate is opened in advance in practice, the openings on the two sides are larger, and the opening in the middle is smaller. The stripping knife with the structure accords with the actual situation of separation of the zinc plate and the cathode plate after pre-opening, and is more beneficial to stripping the zinc plate after pre-opening. And the cutting edge of the main peeling knife is steeper, so that when the oil cylinder drives the main peeling knife to move up and down, the cutting force provided by the main peeling knife is larger, and the zinc sheet is easier to peel.
The shape matched with the main peeling knife is arranged on the part, where the peeling knives are arranged, of the two side knife frames, so that the two peeling knives can be kept parallel to the cathode plate in the inverted V shape when the main peeling knife is closed although the two peeling knives are arranged.
Fig. 6 is a schematic diagram of a hydraulic control system of the above-described peeling system, which hydraulically controls the main cylinder 5 as the telescopic driving device and the opening/closing cylinder 8 as the main synchronous opening/closing mechanism of the peeling blade, respectively. The hydraulic control system illustrated in fig. 6 is represented by reference numerals: a and B are balance valves, C is a pressure measuring point, D is a throttle valve, E is an electromagnetic pilot three-position four-way valve, F is a pressure reducing valve, G is an energy accumulator, H is an electric variable pump, and I is an air filter.
As shown in fig. 7, in the above-described stripping system, the cathode plate supporting means includes: the two support plates, the two cathode plate clamping grooves and the two cathode plate limiting devices are arranged on the two support plates; wherein, two backup pads level relative interval are established in the frame, and the middle part of every backup pad is equipped with a negative plate draw-in groove, sets up a negative plate stop device in the flexible backup pad in every negative plate draw-in groove outside. When main broach plunge cut downwards shells zinc, because the peel strength is great, can not put on the chain, lift negative plate 14 and put in the negative plate draw-in groove of this negative plate strutting arrangement's backup pad 13, the fore-and-aft direction is spacing about simultaneously, because the great backup pad of broad has enough big area, even put the trigger structure and placed the error, under the condition in the negative plate draw-in groove can not be placed to the negative plate, can guarantee that the negative plate is unlikely to drop and hinder the people, avoid taking place the incident, and make things convenient for the follow-up processing to this negative plate of workman.
Taking the stripping of zinc from the cathode plate as an example, the zinc stripping process using the stripping system of this embodiment is as follows: when the deposited metal on the negative plate reaches a certain thickness (hereinafter, the deposited metal is replaced by a zinc sheet), the negative plate is firstly hung on a conveying chain of a stripping system from an electrolytic tank, after pre-stripping, an opening is formed in the upper edge where the zinc sheet is combined with the negative plate, then the negative plate after the opening is formed is placed on a negative plate supporting device of a main stripping knife by a trolley, the main stripping knife is used for partially downwards stripping along the opening until the bottom of the zinc sheet, the zinc sheet is separated from the negative plate, the negative plate is still hung on the negative plate supporting device of the main stripping knife at the moment, the separated zinc sheet falls into a receiving hopper, and the zinc sheet enters a next procedure along the receiving hopper. Stripping other electrodeposited metals is similar to zinc stripping.
The complete zinc stripping process specifically comprises the following steps:
pretreatment: a notch is opened at the upper part of the combination of the zinc sheet and the cathode plate by a pre-stripping mechanism, and the zinc sheet is conveyed to a main stripping knife station after the notch is opened.
(1) The cathode plate 14 to be stripped is placed on the cathode plate clamping groove 131 of the support plate 13, and the displacement of the cathode plate 14 is limited under the combined action of the cathode plate clamping groove 131 and the cathode plate limiting block 12;
(2) the main stripping knife rest 16 (composed of a left knife rest and a right knife rest) is arranged above the cathode plate 14, the opening and closing oil cylinder 8 is in a contraction state, and the main stripping knife 15 is in an opening state;
(3) the main oil cylinder 5 extends out, and the main stripping knife 15 feeds downwards, so that the cutting edge of the main stripping knife 15 reaches below the upper edge of the cathode plate 14 and above the upper edge of the zinc plate;
(4) the opening and closing oil cylinder 8 extends out, the right knife rest 161 rotates clockwise around the rotating shaft 18, meanwhile, the left knife rest 162 rotates anticlockwise, and the cutting edge of the main peeling knife 15 is closed;
(5) the main oil cylinder 5 continues to extend, the main stripping knife 15 starts to strip the zinc sheet until the main oil cylinder 5 extends out, the cutting edge of the main stripping knife 15 reaches the lower edge of the zinc sheet, and the zinc sheet is completely stripped from the cathode plate 14;
(6) the stripped zinc sheets fall into a receiving hopper 17, and enter the next system from the lower opening of the receiving hopper 17;
(7) the opening and closing oil cylinder 8 contracts, and the cutting edge of the main peeling knife 15 is opened;
(8) the main oil cylinder 5 is retracted to the bottom, the main stripping tool rest 16 is lifted to the initial position, and the cathode plate 14 waiting for being stripped is transported away;
(9) the stripped cathode plate 14 is transported away and the next cathode plate to be stripped is placed in position and a complete zinc stripping sequence is completed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. An electrodeposited metal stripping system, comprising:
the device comprises a frame, a telescopic driving device, a cathode plate supporting device, a metal plate receiving hopper, a multi-directional limiting device of a stripping mechanism and the stripping mechanism; wherein,
the rack is of a vertical frame structure;
the telescopic driving device is fixedly arranged at the upper part of the frame and is provided with a telescopic driving end which can extend out or retract;
the cathode plate supporting device for supporting the cathode plate is arranged in the middle of the rack;
the metal plate receiving hopper is arranged at the lower part of the rack;
the stripping mechanism is connected to a telescopic driving end of the telescopic driving device, and the telescopic driving end faces the cathode plate supporting device and can drive the stripping mechanism to move up and down along the cathode plate supported by the cathode plate supporting device;
the multi-directional limiting device of the stripping mechanism, which is arranged on the rack and can move up and down along the rack, is connected with the stripping mechanism, and the multi-directional limiting device of the stripping mechanism carries out multi-directional limiting on the up-and-down movement of the stripping mechanism;
the peeling mechanism includes: the device comprises a support frame, a left rotating shaft, a right rotating shaft, a left tool rest, a right tool rest, a main stripping knife synchronous opening and closing mechanism, a main stripping knife left limiting mechanism, a main stripping knife right limiting mechanism, two included angle adjusting devices and a main stripping knife;
the support frame is connected with a telescopic driving end of the telescopic driving device, and two sides of the support frame are connected with a multi-directional limiting device of the stripping mechanism; the left rotating shaft and the right rotating shaft are oppositely arranged on the supporting frame, the left tool rest and the right tool rest are both in a long-strip-shaped structure, the left tool rest and the right tool rest are respectively movably arranged on the left rotating shaft and the right rotating shaft and can rotate around the left rotating shaft and the right rotating shaft by a preset angle, and the left tool rest and the right tool rest are symmetrical relative to the central plane of a cathode plate arranged on the cathode plate supporting device; the main stripping knife synchronous opening and closing mechanism is arranged on the support frame, two ends of a driving part of the main stripping knife synchronous opening and closing mechanism are respectively movably connected with the top ends of the left side knife rest and the right side knife rest, and a synchronous part of the main stripping knife synchronous opening and closing mechanism is respectively movably connected with the top ends of the left side knife rest and the right side knife rest through two included angle adjusting devices; the main stripping knife left limiting mechanism and the main stripping knife right limiting mechanism are respectively arranged on the supporting frame, the top end of the left side knife rest is arranged in a limiting space of the main stripping knife left limiting mechanism, and the top end of the right side knife rest is arranged in a limiting space of the main stripping knife right limiting mechanism; the bottom of the left side tool rest and the bottom of the right side tool rest are respectively provided with the main stripping knives, and inverted V-shaped parts with two sides low and middle high are formed between the main stripping knives on the main stripping knife rests on the two sides.
2. The system for stripping electrodeposited metal according to claim 1, wherein the driving means of the main stripping tool synchronous opening and closing mechanism of the stripping mechanism is an oil cylinder transversely arranged between the left tool rest and the right tool rest, the middle of the oil cylinder is fixedly arranged on the support frame, and the two ends of the oil cylinder are respectively movably connected with the upper ends of the left tool rest and the right tool rest;
the synchronous component of the main stripping knife synchronous opening and closing mechanism comprises a guide post arranged on the support frame and a guide cylinder movably arranged on the guide post, and the guide cylinder is respectively movably connected with the upper ends of the left side knife rest and the right side knife rest through the two included angle adjusting devices.
3. The system for stripping electrodeposited metal according to claim 1 or 2, wherein the angle adjusting means is a length-adjustable link rod comprising left and right connecting members and a bidirectional screw device connected between the left and right connecting members; the left connecting piece and the right connecting piece are internally provided with mutually reverse threads, the two-way screw device is formed by a two-way screw arranged at a locking nut at one end of the two-way screw, one end of the two-way screw is arranged in the threads of the left connecting piece and is in threaded connection with the left connecting piece, and the other end of the two-way screw is arranged in the threads of the right connecting piece and is in threaded connection with the right connecting piece.
4. The system of claim 1, wherein the main stripping knife left limiting mechanism and the main stripping knife right limiting mechanism have the same structure and are respectively composed of an inner limiting device and an outer limiting device which are arranged on the supporting frame at intervals, and a limiting space is arranged between the inner limiting device and the outer limiting device.
5. The system of claim 1, wherein the main stripping knives comprise four stripping knives, two stripping knives are disposed on each of the left and right side knife holders, and a gap is left between the two stripping knives on each side of the main stripping knife holder.
6. The system for stripping electrodeposited metal according to any one of claims 1, 2 and 4 to 5, wherein the telescopic driving device is a hydraulic driving cylinder, a cylinder body of the hydraulic driving cylinder is fixedly arranged at the upper part of the frame and used as a hydraulic rod of the telescopic driving end to face the cathode plate supporting device, and the hydraulic driving cylinder is provided with a full stroke sensor for measuring the position of the hydraulic rod of the cylinder.
7. The system of stripping electrodeposited metal as claimed in any one of claims 1, 2, 4 to 5, wherein the cathode plate support means comprises:
the two support plates, the two cathode plate clamping grooves and the two cathode plate limiting devices are arranged on the two support plates; wherein,
two backup pads level relative interval are established in the frame, and the middle part of every backup pad is equipped with a negative plate draw-in groove, sets up a negative plate stop device in the flexible backup pad in every negative plate draw-in groove outside.
8. The system of any one of claims 1, 2, 4 to 5, wherein the multi-directional position limiting device of the stripping mechanism comprises: two guide rails, two groups of composite rollers and two back plates; the two guide rails are vertically and oppositely arranged on the rack, the two groups of composite rollers are respectively arranged in the two guide rails, and the two groups of composite rollers are respectively fixedly connected with the two sides of the support frame of the stripping mechanism through the two back plates.
9. The system of claim 8, wherein each set of composite rollers consists of two rollers that are in rolling contact with the bottom and sides of the rail within the rail.
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| CN201510209412.0A CN104762641B (en) | 2015-04-28 | 2015-04-28 | Stripping system for electrodeposited metals |
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| CN201510209412.0A CN104762641B (en) | 2015-04-28 | 2015-04-28 | Stripping system for electrodeposited metals |
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| CN104762641B true CN104762641B (en) | 2017-05-24 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107190284B (en) * | 2017-07-24 | 2023-07-07 | 株洲优瑞科有色装备有限公司 | Electrodeposition metal stripping device and method thereof |
| CN109423667B (en) * | 2017-08-21 | 2023-07-18 | 江西瑞林装备有限公司 | Electrolytic metal layer pre-stripping system, pre-stripping method and stripping system |
| CN107699924B (en) * | 2017-11-13 | 2024-04-02 | 温岭市忠盛金属材料有限公司 | Negative plate stripping metal zinc powder equipment in alkaline electrolysis metal zinc powder |
| CN108396340A (en) * | 2018-05-11 | 2018-08-14 | 三门三友科技股份有限公司 | A kind of cathode flexure separator |
| CN108315772A (en) * | 2018-05-14 | 2018-07-24 | 三门三友科技股份有限公司 | A kind of cathodic disbonding Lancet device |
| CN109735875A (en) * | 2019-01-28 | 2019-05-10 | 铜陵有色金属集团股份有限公司金冠铜业分公司 | Machine for cutting charge into pieces |
| CN111037731A (en) * | 2019-12-18 | 2020-04-21 | 浙江瑞港机械有限公司 | Special separator for plate |
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