CN210736920U

CN210736920U - Scraping structure of silver electrolysis equipment

Info

Publication number: CN210736920U
Application number: CN201921759826.0U
Authority: CN
Inventors: 徐军; 姜备军
Original assignee: Zhejiang Hongda New Material Development Co Ltd
Current assignee: Zhejiang Hongda New Material Development Co Ltd
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-06-12
Anticipated expiration: 2029-10-18

Abstract

The utility model relates to a silver electrolysis equipment scrape material structure belongs to the technical field that silver electrolysis was retrieved, including the electrolysis trough, the interval is provided with polylith negative plate and anode plate in the electrolysis trough, fixed mounting has the guide on the electrolysis trough, install on the guide be used for with silver on the negative plate scrapes the scraper that falls, the scraper is including scraping the material frame, scrape the material frame with guide sliding connection, scrape and install many installation poles in the material frame, every all install the multiunit doctor-bar on the installation pole, the doctor-bar stretches into in the electrolysis trough, and with the face contact of negative plate, still install subaerial being used for the drive of electrolysis trough one side scrape the actuating mechanism of material frame reciprocating motion. The utility model discloses have the effect that can scrape the silver that the crystallization was appeared on the negative plate in real time.

Description

Scraping structure of silver electrolysis equipment

Technical Field

The utility model relates to a technical field that silver electrolysis was retrieved especially relates to a material structure of scraping of silver electrolysis equipment.

Background

The refining of blister copper by an electrolytic method is the most common blister copper refining method at present, during the electrolytic refining, blister copper is arranged on an electrolytic anode, and after a power supply is switched on, the anode generates an oxidation reaction, so that metal loses electrons. However, since the electron-losing ability of copper is stronger than that of silver, and the copper content in blister copper is much greater than that of silver, silver still exists as a solid in the process of continuously oxidizing copper into copper ions, and after copper is continuously consumed, the solid silver loses support and attachment, and sinks under the action of gravity, thus becoming anode sludge together with other components.

The anode mud contains more noble metal silver, so that the noble metal silver in the anode mud is usually recovered through electrolysis, wherein the silver electrorefining is to take an alloy plate containing gold, silver and other noble metals obtained through treatment as an anode and take a titanium plate, a pure silver plate and the like as a cathode, the alloy plate and the titanium plate and the pure silver plate and the like are placed in electrolyte, under the action of direct current, the silver in the anode plate is dissolved into the electrolyte and separated out on the cathode plate, and insoluble substances such as gold and the like sink under the action of gravity to form the anode mud, so that the purposes of separating gold from silver and purifying silver are achieved.

For example, chinese patent No. CN207581966U discloses a cathode plate device for a high-density silver electrolytic cell, which includes an electrolytic cell shell, a lower insulating plate of a conductive busbar, a cathode conductive busbar, an upper insulating plate of the cathode conductive busbar, a cathode device, a cathode connecting bolt, a cathode connecting nut, an anode plate, an anode mud bag, an anode conductive busbar, and an upper insulating plate of the anode conductive busbar, wherein the anode mud bag is sleeved on the anode plate.

The above prior art solutions have the following drawbacks: in the silver electrolysis process, silver can be separated out in a grain-packed crystal mode, if the separated silver is not scraped off in time, cathode silver tends to grow in a dendritic mode and is high in speed, when the dendritic cathode silver is too heavy, the dendritic cathode silver is easy to fall off under the action of gravity, and when the dendritic cathode silver falls off, the dendritic cathode silver is easy to contact with an anode plate, so that short circuit is caused. Therefore, a scraper structure for scraping the crystallized silver on the cathode plate in real time is required.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a silver electrolysis equipment scrape material structure, it has the effect that can scrape the silver that the crystallization was appeared on the negative plate in real time to exist not enough to prior art, the utility model aims at providing a silver electrolysis equipment.

The above object of the present invention can be achieved by the following technical solutions:

the utility model provides a silver electrolysis equipment scrape material structure, includes the electrolysis trough, the interval is provided with polylith negative plate and anode plate in the electrolysis trough, fixed mounting has the guide on the electrolysis trough, install on the guide be used for with silver on the negative plate scrapes the scraper that falls, the scraper is including scraping the material frame, scrape the material frame with guide sliding connection, scrape and install many installation poles in the material frame, every all install the multiunit doctor-bar on the installation pole, the doctor-bar stretches into in the electrolysis trough, and with the face contact of negative plate, the subaerial actuating mechanism who is used for the drive of scraping material frame reciprocating motion that still installs of electrolysis trough one side.

Through adopting above-mentioned technical scheme, when carrying out silver electrolysis, actuating mechanism starts to drive and scrapes the material frame and reciprocating sliding on the guide, scrapes the material frame when reciprocating sliding, can drive the doctor-bar reciprocating sliding who installs on the installation pole, and because the doctor-bar stretches into in the electrolysis trough and the face contact of negative plate, then reciprocating sliding of doctor-bar can reciprocate on the face of negative plate and scrape and move to in real time will appear and the silver that adheres to on the negative plate scrapes and fall the electrolysis trough.

The utility model discloses further set up to: the drive mechanism comprises an installation platform fixedly installed on the ground on one side of the electrolytic cell, a drive motor is installed on the installation platform, a crank is fixedly installed on a rotating shaft of the drive motor, the crank is far away from one end of the drive motor, a connecting rod is installed in a rotating mode, and the connecting rod is far away from one end of the crank and is rotatably connected with the scraping frame.

Through adopting above-mentioned technical scheme, start driving motor, driving motor rotates and can drive crank eccentric rotation, and crank eccentric rotation can drive the connecting rod of being connected with crank rotation, makes the connecting rod pulling scrape the material frame, and crank rotation round then the connecting rod can stimulate to scrape a cycle of material frame reciprocating sliding.

The utility model discloses further set up to: each group of the scraping pieces comprises two scraping pieces which are symmetrically arranged on a group of two opposite side walls of the installation rod, installation holes are formed in the installation rod along the length direction, through holes are formed in the two scraping pieces in each group, and bolt and nut assemblies used for installing the scraping pieces on the installation rod penetrate through the through holes and the installation holes.

Through adopting above-mentioned technical scheme, install the doctor-bar on the installation pole through bolt and nut subassembly, not only fasten effectually, when the doctor-bar needs to be changed, also be convenient for carry out the change of doctor-bar.

The utility model discloses further set up to: the bolt and nut assembly comprises a bolt penetrating through the mounting hole and the through hole, a nut is in threaded fit with the bolt, and each group of two scraping pieces are arranged on the bolt on one side away from each other and are provided with anti-loosening components.

Through adopting above-mentioned technical scheme, because there is electrolyte in the electrolysis trough, the doctor-bar resistance is great in electrolyte, and in order to can fully scrape the silver on the negative plate, also there is great frictional resistance between negative plate and the doctor-bar, simple bolt and nut cooperation are not hard up easily, lead to being connected between doctor-bar and the installation pole not hard up, the locking part of extra setting can reduce the not hard up possibility of bolt and nut subassembly, thereby reduce and connect not hard up possibility between doctor-bar and the installation pole, in order to guarantee to use the back for a long time and scrape the material device and still can keep better effect of scraping.

The utility model discloses further set up to: the anti-loosening component comprises a first gasket and a second gasket which are sleeved on the bolt, a plurality of first wedge-shaped teeth which are connected end to end are circumferentially arranged on the side wall of one side, close to the second gasket, of the first gasket, and two adjacent first wedge-shaped teeth form a first wedge-shaped groove; the second gasket is close to a plurality of end to end's second wedge tooth are installed to circumference on the lateral wall of first gasket one side, the second wedge tooth with first wedge groove cooperation, adjacent two the second wedge tooth forms the second wedge groove, just the second wedge groove with first wedge tooth cooperation.

Through adopting above-mentioned technical scheme, through the cooperation of first wedge tooth and second wedge groove to and the cooperation of second wedge tooth and first wedge groove, interlock each other between first gasket and the second gasket, thereby reduce the not hard up possibility of bolt and nut subassembly, with the installation stability that improves between doctor-bar and the installation pole.

The utility model discloses further set up to: the first gasket with equal circumference is provided with a plurality of locking sand grips on the lateral wall of one side is kept away from each other to the second gasket.

Through adopting above-mentioned technical scheme, locking sand grip can reduce the possibility that takes place relative rotation between locking part and the bolt and nut subassembly through supporting tightly with the installation pole or supporting tightly with bolt and nut, then the bolt and nut subassembly is difficult not hard up to further improve the installation stability between doctor-bar and the installation pole.

The utility model discloses further set up to: the mounting hole is close to and has seted up a plurality of mounting grooves along length direction on the lateral wall of electrolysis trough one side, and every mounting groove is close to electrolysis trough one side the constant head tank has all been seted up on the lateral wall of installation pole, the constant head tank with the mounting groove is linked together, and two all be provided with on the lateral wall that the doctor-bar is close to one side each other with constant head tank joint complex locating lever.

By adopting the technical scheme, the mounting grooves can be used for pre-positioning mounting of the scraping blades, so that the scraping blades are not easy to deviate in position in the mounting process. And the doctor-bar is transversely supported through the clamping cooperation of constant head tank and locating lever, then can reduce the doctor-bar and use the bolt as the pivoted possibility under the effect of great resistance to further improve the installation stability of doctor-bar.

The utility model discloses further set up to: the guide part includes the multiunit guide rail, every group the guide rail all includes two guide rails, just guide rail fixed mounting is in on the electrolysis trough, two along length direction fixed mounting have many first bull sticks on the guide rail, rotate on the first bull stick and install first guide pulley, the guide slot has been seted up to circumference on the week lateral wall of first guide pulley, scrape the material frame with the guide slot cooperation and with first guide pulley roll connection.

Through adopting above-mentioned technical scheme, because scrape constantly reciprocal friction between material frame and the guide, consequently hang material frame and guide and all produce wearing and tearing easily. And through setting up first guide pulley, make the guiding part and scrape the frictional force between the material frame for rolling friction to reduce and scrape the friction damage between material frame and the guiding part, in order to improve the life who scrapes material frame and guiding part, also can reduce because the noise that the friction produced. The guide grooves additionally arranged on the peripheral side walls of the first guide wheels can limit and guide the scraping frame, so that the scraping frame part sinks into the guide grooves, and the stability of the scraping frame in reciprocating sliding is improved.

The utility model discloses further set up to: the guide rail on one side, far away from the electrolytic bath, of the first rotating rod is further provided with a supporting hole, a second rotating rod is fixedly mounted in the supporting hole, a second guide wheel is rotatably mounted on the second rotating rod, and a group of two second guide wheels form a supporting opening.

Through adopting above-mentioned technical scheme, the second guide pulley that additionally sets up can form and support the mouth to form horizontal support to scraping the material frame, and because the second guide pulley also is rolling contact with scraping the material frame, consequently, the second guide pulley not only can further improve the sliding stability who scrapes the material frame, can also minimize and scrape the frictional force between the material frame, with reducing wear and noise.

To sum up, the utility model discloses a beneficial technological effect does:

1. the scraping device capable of reciprocating is arranged on the electrolytic bath to scrape the adsorbed silver on the cathode plate;

2. the possibility of connection looseness between the scraping blade and the mounting rod is reduced by mounting the anti-loosening component on the bolt and nut assembly;

3. the scraper can be installed in a preset position by arranging the installation groove on the installation rod, and the transverse support can be formed for the scraper by matching the positioning groove and the positioning rod, so that the installation stability of the scraper is never improved;

4. through setting up first guide pulley and second guide pulley, make the friction of scraping between material frame and the guide be rolling friction to reduce the friction damage of scraping material frame and guide, also reduce because the noise that the friction produced.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the overall structure of the guide and scraper device of the present invention;

FIG. 3 is an enlarged partial schematic view of portion A of FIG. 2;

FIG. 4 is an exploded view of the bolt and nut assembly and the anti-loosening element of the present invention;

fig. 5 is a schematic structural diagram of the first gasket and the second gasket of the present invention.

In the figure, 1, an electrolytic cell; 11. a cathode plate; 2. a guide member; 21. a guide rail; 22. a first rotating lever; 23. a first guide wheel; 24. a guide groove; 25. a support hole; 26. a second rotating rod; 27. a second guide wheel; 3. a scraping device; 31. scraping the material frame; 32. mounting a rod; 33. scraping a blade; 34. mounting holes; 35. mounting grooves; 36. positioning a groove; 37. a through hole; 38. positioning a rod; 4. a bolt and nut assembly; 41. a bolt; 42. a nut; 5. a loosening prevention member; 51. a first gasket; 52. a first wedge tooth; 53. a first wedge groove; 54. a second gasket; 55. a second wedge tooth; 56. a second wedge-shaped groove; 57. anti-loosening convex strips; 6. a drive mechanism; 61. an installation table; 62. a drive motor; 63. a crank; 64. a connecting rod.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 and 2, the scraping structure of silver electrolysis equipment disclosed by the present invention comprises an electrolytic tank 1 fixedly installed on the ground, a plurality of cathode plates 11 and anode plates (not shown in the figure) installed at intervals in the electrolytic tank 1, and a guide member 2 installed on the upper side wall of the electrolytic tank 1.

The guide 2 comprises two sets of guide rails 21, and the two sets of guide rails 21 are respectively and fixedly installed at two ends of the upper side wall of the electrolytic bath 1. Each group of guide rails 21 comprises two guide rails 21 which are parallel to each other, a plurality of first rotating rods 22 which are parallel to each other are fixedly installed in the guide rails 21 at equal intervals, and the axial lines of the first rotating rods 22 are perpendicular to the length direction of the guide rails 21. Each first rotating rod 22 is rotatably provided with a first guide wheel 23, and the peripheral side wall of the first guide wheel 23 is circumferentially provided with a guide groove 24.

A plurality of supporting holes 25 are further formed in the guide rail 21, on one side, away from the electrolytic cell 1, of the first rotating rod 22 along the length direction, a vertical second rotating rod 26 is fixedly mounted in each supporting hole 25, and the axis of the second rotating rod 26 is perpendicular to the axis of the first rotating rod 22. The second rotating rod 26 is also rotatably provided with a second guide wheel 27, and a group of two second guide wheels 27 opposite to each other on the two guide rails 21 form a transverse supporting opening.

The guide member 2 is provided with a scraping device 3 for scraping silver on the cathode plate 11, the scraping device 3 comprises a scraping frame 31, the frame wall of the scraping frame 31 extends into a transverse supporting port formed by the two second guide wheels 27 and sinks into the guide groove 24 of the first guide wheel 23, and the frame wall of the scraping frame 31 is in rolling contact with the first guide wheel 23 and the second guide wheel 27.

As shown in fig. 2 and 3, a plurality of parallel mounting rods 32 are fixedly mounted in the scraping frame 31, the number of the mounting rods 32 is the same as that of the cathode plates 11, and each mounting rod 32 is provided with a plurality of groups of scraping blades 33. Each set of blades 33 comprises two blades 33 symmetrically mounted on a set of opposite side walls of the mounting bar 32.

As shown in fig. 3 and 4, the mounting rod 32 is provided with a mounting hole 34 along the length direction, the side wall of the mounting hole 34 close to one side of the electrolytic cell 1 is provided with a plurality of mounting grooves 35 along the length direction, the side wall of the mounting rod 32 close to one side of the electrolytic cell 1 of each mounting groove 35 is provided with a positioning groove 36, and the positioning groove 36 is communicated with the mounting groove 35. The side walls of the two scraping blades 33 close to each other are provided with positioning rods 38 which are matched with the positioning grooves 36 in a clamping manner. And each group of two scraping blades 33 is provided with a through hole 37, and a bolt and nut component 4 for installing the scraping blade 33 on the installation rod 32 is arranged in the through hole 37 and the installation hole 34 in a penetrating way.

The bolt-nut assembly 4 includes a bolt 41 disposed through the mounting hole 34 and the through-hole 37, wherein the bolt 41 is threadedly engaged with a nut 42. And the anti-loosening component 5 is arranged on the bolt 41 at one side of each group of two scraping blades 33 which are far away from each other.

As shown in fig. 3 and 5, the anti-loose component 5 includes a first shim 51 and a second shim 54, a plurality of first wedge-shaped teeth 52 connected end to end are circumferentially installed on a side wall of the first shim 51 close to one side of the second shim 54, and two adjacent first wedge-shaped teeth 52 form a first wedge-shaped groove 53. A plurality of second wedge-shaped teeth 55 connected end to end are circumferentially arranged on the side wall of the second gasket 54 close to one side of the first gasket 51, and the second wedge-shaped teeth 55 are matched with the first wedge-shaped grooves 53; two adjacent second wedge teeth 55 form a second wedge groove 56, and the second wedge groove 56 is matched with the first wedge teeth 52. A plurality of locking convex strips 57 are circumferentially arranged on the side walls of the first gasket 51 and the second gasket 54 which are far away from each other.

As shown in FIGS. 1 and 2, the end of the wiper blade 33 remote from the mounting bar 32 projects into the cavity of the electrolytic cell 1 and contacts the face of the cathode plate 11.

The ground on one side of the electrolytic cell 1 is also provided with a driving mechanism 6 for driving the scraping frame 31 to reciprocate, the driving mechanism 6 comprises a mounting table 61 fixedly mounted on the ground on one side of the electrolytic cell 1, a driving motor 62 is fixedly mounted on the mounting table 61, and a rotating shaft of the driving motor 62 is fixedly connected with one end of a crank 63. The end of the crank 63 far away from the driving motor 62 is rotatably provided with a connecting rod 64, and the end of the connecting rod 64 far away from the driving motor 62 is rotatably connected with the scraping frame 31.

The implementation principle of the embodiment is as follows:

when silver electrolysis is carried out, the driving motor 62 is started, the driving motor 62 rotates to drive the crank 63 to rotate eccentrically, the eccentric rotation of the crank 63 can drive the connecting rod 64 which is connected with the crank 63 in a rotating mode, the connecting rod 64 pulls the scraping frame 31, and the connecting rod 64 can pull the scraping frame 31 to slide in a reciprocating mode for one cycle when the crank 63 rotates for one circle.

In this process, the scraping frame 31 and the guide 2 are abraded easily due to continuous reciprocating friction between the scraping frame and the guide 2. And through setting up first guide pulley 23, make the frictional force between guide 2 and the scraper frame 31 be rolling friction to reduce the friction damage between scraper frame 31 and the guide 2, with the life who improves scraper frame 31 and guide 2, also can reduce the noise because the friction produces. The guide groove 24 additionally formed on the peripheral sidewall of the first guide wheel 23 can limit and guide the scraping frame 31, so that the scraping frame 31 is partially sunk into the guide groove 24, thereby improving the stability of the scraping frame 31 during reciprocating sliding.

The second guide wheel 27 additionally provided can form a support opening to laterally support the scraping frame 31, and since the second guide wheel 27 is in rolling contact with the scraping frame 31, the second guide wheel 27 not only can further improve the sliding stability of the scraping frame 31, but also can reduce the friction force between the second guide wheel and the scraping frame 31 as much as possible to reduce the abrasion and the noise.

In addition, the scraping frame 31 drives the scraping blade 33 mounted on the mounting rod 32 to slide back and forth when sliding back and forth, and since the scraping blade 33 extends into the electrolytic bath 1 and contacts with the surface of the cathode plate 11, the back and forth sliding of the scraping blade 33 can scrape the surface of the cathode plate 11 back and forth, so as to scrape the silver precipitated and attached to the cathode plate 11 down into the electrolytic bath 1 in real time.

The scraping blade 33 has a large resistance in the electrolyte due to the presence of the electrolyte in the electrolytic bath 1, and a large frictional resistance is also present between the cathode plate 11 and the scraping blade 33 in order to be able to sufficiently scrape off the silver on the cathode plate 11. In the anti-loosening component 5, the first wedge-shaped teeth 52 and the second wedge-shaped grooves 56 are matched, and the second wedge-shaped teeth 55 and the first wedge-shaped grooves 53 are matched, so that the first gasket 51 and the second gasket 54 are mutually meshed, the possibility of loosening of the bolt-nut assembly 4 is reduced, the installation stability between the scraping blade 33 and the installation rod 32 is improved, and the scraping device 3 can still keep a good scraping effect after being used for a long time.

The locking convex strip 57 can reduce the possibility of relative rotation between the locking member 5 and the bolt-nut assembly 4 by tightly abutting against the mounting rod 32 or the bolt 41 and the nut 42, so that the bolt-nut assembly 4 is not easy to loosen, and the mounting stability between the scraper 33 and the mounting rod 32 is further improved.

The plurality of mounting grooves 35 formed in the mounting bar 32 can be used for mounting the wiper blade 33 at predetermined positions, so that the wiper blade 33 is not prone to positional deviation during mounting. And through the clamping cooperation of the positioning groove 36 and the positioning rod 38, the transverse support is formed on the scraping blade 33, so that the possibility that the scraping blade 33 rotates by taking the bolt 41 as a rotating shaft under the action of large resistance can be reduced, and the installation stability of the scraping blade 33 is further improved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a silver electrolysis equipment scrape material structure, includes electrolysis trough (1), the interval is provided with polylith negative plate (11) and anode plate in electrolysis trough (1), its characterized in that: fixed mounting has guide (2) on electrolysis trough (1), install on guide (2) be used for with silver on negative plate (11) scrapes scraping device (3), scrape material device (3) including scraping material frame (31), scrape material frame (31) with guide (2) sliding connection, scrape and install many installation pole (32) in material frame (31), every all install multiunit doctor-bar (33) on installation pole (32), doctor-bar (33) stretch into in electrolysis trough (1), and with the face contact of negative plate (11), still install on the ground of electrolysis trough (1) one side and be used for the drive scrape material frame (31) reciprocating motion's actuating mechanism (6).

2. The scraping structure of silver electrolysis equipment according to claim 1, wherein: actuating mechanism (6) are including fixed mounting be in subaerial mount table (61) of electrolysis trough (1) one side, install driving motor (62) on mount table (61), fixed mounting has crank (63) in the pivot of driving motor (62), crank (63) are kept away from the one end of driving motor (62) is rotated and is installed a connecting rod (64), connecting rod (64) are kept away from the one end of crank (63) with scrape material frame (31) and rotate and connect.

3. The scraping structure of silver electrolysis equipment according to claim 1, wherein: every group doctor-bar (33) all include two symmetries and install doctor-bar (33) on a set of relative two lateral walls of installation pole (32), mounting hole (34) have been seted up along length direction on installation pole (32), every two of group all seted up through-hole (37) on doctor-bar (33), through-hole (37) with run through being provided with in mounting hole (34) and be used for with doctor-bar (33) are installed bolt and nut subassembly (4) on installation pole (32).

4. The scraping structure of silver electrolysis equipment according to claim 3, wherein: bolt and nut subassembly (4) including run through the setting be in mounting hole (34) with bolt (41) in through-hole (37), screw-thread fit has nut (42) on bolt (41), and every group two one side is kept away from each other in doctor-bar (33) all install locking part (5) on bolt (41).

5. The scraping structure of silver electrolysis equipment according to claim 4, wherein: the anti-loosening component (5) comprises a first gasket (51) and a second gasket (54) which are sleeved on the bolt (41), a plurality of first wedge-shaped teeth (52) which are connected end to end are circumferentially arranged on the side wall of one side, close to the second gasket (54), of the first gasket (51), and a first wedge-shaped groove (53) is formed by two adjacent first wedge-shaped teeth (52); a plurality of end-to-end second wedge-shaped teeth (55) are circumferentially arranged on the side wall of the second gasket (54) close to one side of the first gasket (51), the second wedge-shaped teeth (55) are matched with the first wedge-shaped groove (53), two adjacent second wedge-shaped teeth (55) form a second wedge-shaped groove (56), and the second wedge-shaped groove (56) is matched with the first wedge-shaped teeth (52).

6. The scraping structure of silver electrolysis equipment according to claim 5, wherein: and a plurality of locking convex strips (57) are circumferentially arranged on the side walls of the first gasket (51) and the second gasket (54) which are far away from one another.

7. The scraping structure of silver electrolysis equipment according to any one of claims 3 to 6, wherein: a plurality of mounting grooves (35) have been seted up along length direction on the lateral wall that mounting hole (34) are close to electrolysis trough (1) one side, every mounting groove (35) are close to electrolysis trough (1) one side constant head tank (36) have all been seted up on the lateral wall of installation pole (32), constant head tank (36) with mounting groove (35) are linked together, and two all be provided with on doctor-bar (33) the lateral wall that is close to one side each other with constant head tank (36) joint complex locating lever (38).

8. The scraping structure of silver electrolysis equipment according to claim 1, wherein: guide part (2) include multiunit guide rail (21), every group guide rail (21) all include two guide rail (21), just guide rail (21) fixed mounting be in on electrolysis trough (1), two along length direction fixed mounting have many first bull stick (22) on guide rail (21), rotate on first bull stick (22) and install first guide pulley (23), guide slot (24) have been seted up to circumference on the week lateral wall of first guide pulley (23), scrape material frame (31) with guide slot (24) cooperation and with first guide pulley (23) roll connection.

9. The scraping structure of silver electrolysis equipment according to claim 8, wherein: the first rotating rod (22) is far away from one side of the electrolytic tank (1), a supporting hole (25) is further formed in the guide rail (21), a second rotating rod (26) is fixedly installed in the supporting hole (25), a second guide wheel (27) is installed on the second rotating rod (26) in a rotating mode, and a supporting opening is formed by the second guide wheels (27).