CN216378437U

CN216378437U - Cathode stripping device

Info

Publication number: CN216378437U
Application number: CN202122382206.3U
Authority: CN
Inventors: 吴用; 吴俊义; 郑丰敏; 周成武; 杨刚
Original assignee: Sanmen Sanyou Technology Inc
Current assignee: Sanmen Sanyou Technology Inc
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2022-04-26
Anticipated expiration: 2031-09-28

Abstract

The utility model discloses a cathode stripping device which comprises a support, wherein a space for accommodating a cathode is arranged on the support, a cathode supporting assembly, a separating assembly, a lower limiting assembly and a stripping assembly are arranged on the support, the cathode supporting assembly is arranged at the top of the cathode, the separating assembly is arranged on two sides of the cathode in a moving mode along the normal direction of the cathode, the lower limiting assembly is arranged on two sides of the cathode in a moving mode along the normal direction of the cathode, the stripping assembly comprises a chisel which is rotatably arranged above the cathode plate and used for stripping a metal layer, and a rotating shaft of the chisel is parallel to the transverse extending direction of the cathode. The utility model has simple structure and low failure rate; the operation complexity is reduced; the metal layer is not easy to remain on the cathode plate; the surface quality of the cathode plate is prevented from being reduced; ensuring the efficiency and the metal surface quality.

Description

Cathode stripping device

Technical Field

The utility model relates to the technical field of hydrometallurgy equipment, in particular to a cathode stripping device.

Background

The permanent cathode electrolysis method is one of the important methods for purifying metals by electrolysis, and utilizes the principle of oxidation-reduction reaction, metal ions in electrolyte are positively charged, flow to a stainless steel plate serving as a cathode, are enriched on the surface of the cathode plate, are reduced into metal and are attached to the two sides of the cathode plate, and the purity of the cathode metal is higher. After the attachment, a stripping device is usually required to strip the metal layer from the cathode plate, and then subsequent detection and packaging processes are performed. Because the metal layer and the cathode plate have high adhesiveness, the existing stripping device is easy to have the problems of incomplete stripping or residue on the cathode plate and the like. In addition, the existing stripping device is complex in overall structure due to the fact that mechanisms such as limiting and stripping are integrated, the failure rate is greatly improved, maintenance cost is increased, and efficiency is reduced.

For example, the chinese patent document discloses "a cathode deflection separating device", whose application number CN108396340A includes a cathode supporting component, a frame, a deflection stripping component, a stripping knife component and a cylinder, wherein the frame is provided with a stripping axe driving cylinder and a stripping axe, the frame is symmetrically provided with the deflection stripping component at both sides, the deflection stripping component is provided with the stripping knife component, and the middle top of the frame is symmetrically provided with the cathode supporting component. The oil cylinder drives the flexible stripping assembly to open and close, the flexible body to rotate, and the stripping knife to rotate and advance and retreat so as to complete the flexible stripping operation. The device has the disadvantages that the device needs to frequently rotate the deflection stripping assembly when stripping the cathode, the structure and the operation are complex, the failure rate is high, and the efficiency is reduced; in addition, the stripping device is easy to have the problems of incomplete stripping or residue.

Disclosure of Invention

The utility model provides a cathode stripping device, aiming at overcoming the problems of complex cathode stripping structure, high failure rate and easy incomplete stripping in the prior art, and having simple structure, low failure rate and good stripping effect.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a cathode stripping device, includes the support, is equipped with the space that is used for holding the negative pole on the support, be equipped with negative pole supporting component, separator assembly, lower spacing subassembly and the subassembly of peeling off on the support, negative pole supporting component sets up at the negative pole top, separator assembly sets up in the negative pole both sides along negative pole normal direction removal, lower spacing subassembly sets up in the negative pole both sides along negative pole normal direction removal, the subassembly of peeling off is including rotating the chisel sword that sets up to be used for peeling off the metal level above the negative pole board, chisel sword axis of rotation is parallel with the horizontal extending direction of negative pole.

The utility model is characterized in that the two sides of the cathode are provided with the separating components for driving the cathode plate to bend, the cathode plate and the metal layer are gradually separated due to different bending deformation degrees of the cathode plate material and the metal material, the top between the cathode plate and the metal layer is provided with an opening with a large top and a small bottom due to the fact that the bottom is propped by the lower limiting piece, and the chisel is rotated to be inserted into the opening from the top and then continuously rotated outwards, so that the metal layer is rapidly stripped. The metal is pre-separated by arranging the separation assembly, so that the subsequent complete stripping is facilitated, and the metal layer is not easy to remain on the cathode plate; meanwhile, the rotation directions of the insertion and the stripping of the chisel are consistent, so that the operation complexity is reduced; in addition, each component of the device is independently arranged on the support, the structure is simple, and the failure rate is low.

Preferably, the separation assembly comprises a separation oil cylinder and a separation piece, the separation oil cylinder is fixed on the support, the output end of the separation oil cylinder is connected with the separation piece, the separation piece is arranged corresponding to the middle of the cathode, and the separation oil cylinder drives the separation piece to be close to or far away from the cathode plate.

The oil cylinder drives the separating piece to transversely push and extrude the middle position of the negative plate, so as to drive the negative plate to bend.

Preferably, the separating piece is of a round rod structure, the extending direction of the round rod is parallel to the transverse extending direction of the cathode, and the separating piece is rotatably connected with the separating oil cylinder.

The negative plate and the metal layer of the separating piece are stressed uniformly, and the angle can be adjusted finely properly when the separating piece is acted on the negative electrode, so that the separating piece is not easy to damage.

Preferably, the separating assembly is height-adjustably arranged on the support.

The separating piece is set to be height-adjustable, the action point of the separating piece on the cathode is adjusted by adjusting the height of the separating piece, the bending degree of the cathode plate is different due to the difference of the heights of the separating piece, the bottom is difficult to separate due to too high height, the top is difficult to separate due to too low height, the success rate of next stripping of different action heights and the propelling depth is recorded, and the action height and the depth with the highest success rate are selected as the optimal action parameters during the metal separation.

Preferably, the lower limiting assembly comprises a limiting oil cylinder and a limiting part, the limiting oil cylinder is fixed on the support, the output end of the limiting oil cylinder is connected with the limiting part, and the limiting oil cylinder drives the limiting part to be close to or far away from the cathode plate.

The preferred hydro-cylinder of spacing hydro-cylinder, through hydro-cylinder drive locating part lateral shifting and the metal level laminating, carry on spacingly to the negative plate bottom, because the unable lateral shifting in top and bottom guarantees that the separator is acted on the negative plate, the negative plate middle part can bending deformation, the locating part is preferred the horizontal pole that extends along negative plate width direction, negative plate and metal level atress are even, not fragile.

Preferably, the stripping assembly further comprises a stripping oil cylinder and a chisel guide, the stripping oil cylinder is arranged on the support, the output end of the stripping oil cylinder is rotatably connected with the chisel, one end, far away from the cathode plate, of the chisel is rotatably connected with the support, an arc groove is formed in the chisel guide, and the chisel is slidably connected with the arc groove.

The stripping oil cylinder is preferably an oil cylinder which is rotationally connected to the support, the chiseling knife is driven to rotate through the oil cylinder, the negative plate and the metal layer are inserted, the metal layer is stripped, the arc-shaped groove ensures that the chiseling knife rotates along an arc, and the circle center of the arc-shaped groove is coincident with the rotating shaft of the chiseling knife.

Preferably, the side of the chisel adjacent to the cathode plate is convexly curved.

Because the motion trail of the chisel is arc-shaped, when the outer side surface of the chisel is arc-shaped, the outer side surface of the chisel is always not in contact with the cathode plate, namely one side close to the cathode plate, in the motion process of the chisel, so that the cathode plate is prevented from being scratched, and the reduction of metal adhesion caused by the reduction of the surface quality of the cathode plate is avoided.

Preferably, a pressure sensor is arranged on the inner side of the end part of the chisel blade, and the pressure sensor is connected with the stripping oil cylinder through a controller.

The side contact that chisel tip inboard and metal level are close to the negative plate, and the metal level inside surface is smooth, and when adhesion is great between the two, the effort of chisel and metal level is also great, and too fast peeling speed leads to causing the damage to the metal level easily this moment, influences the metal level quality, through real-time supervision pressure this moment, adjusts peeling speed under the different pressure circumstances, reduces the damage to the metal when guaranteeing efficiency.

Preferably, the cathode supporting assembly comprises a supporting frame fixed on the support, a V-shaped limiting groove with an upward opening is formed in the supporting frame, a V-shaped side limiting groove with an opening facing the side edge of the cathode plate is further formed in the supporting frame, and a limiting plate is arranged at the top of the supporting frame in a sliding mode.

The negative pole is descending the in-process from the device top, carries out tentatively spacing placed in the middle through V-arrangement spacing groove, and the negative pole is placed the back that targets in place, and the rethread side spacing groove carries out the accurate spacing of secondary from both sides limit, guarantees that the negative pole is in the device central point and puts, guarantees the degree of accuracy that both sides were peeled off, adjusts the back limiting plate well and slides to the negative pole board top, avoids the negative pole upwards to pop out when peeling off.

Preferably, the device also comprises an auxiliary stripping assembly, wherein the auxiliary stripping assembly comprises an auxiliary stripping oil cylinder and a stripping knife, and the auxiliary stripping oil cylinder drives the stripping knife to be inserted into the gap on the side edge of the cathode.

When the metal layer cannot be completely peeled off after the chisel has finished the peeling operation, the separation cathode plate and the metal layer are inserted from the side by the peeling blade, preferably, the peeling blade is disposed between the separator and the stopper because of the high adhesion of the metal layer under the separator.

Therefore, the utility model has the following beneficial effects: (1) each component of the device is independently arranged on the bracket, so that the device is simple in structure and low in failure rate; (2) the rotation directions of the insertion and the stripping of the chisel are consistent, so that the operation complexity is reduced; (3) the metal is pre-separated by arranging the separation assembly, so that the subsequent complete stripping is facilitated, and the metal layer is not easy to remain on the cathode plate; (4) the arc chisel avoids the reduction of metal adhesion capacity caused by the reduction of the surface quality of the cathode plate; (5) the peeling speed of the chisel is inversely proportional to the adhesive force of the metal layer, so that the efficiency and the surface quality of the metal are ensured.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present invention.

Fig. 2 is a schematic side view of the present invention.

Fig. 3 is a schematic view of a cathode support assembly according to the present invention.

FIG. 4 is a schematic view of one configuration of the separator assembly of the present invention.

Fig. 5 is a schematic structural view of the lower limit assembly of the present invention.

FIG. 6 is a schematic view of one construction of the auxiliary peeling assembly of the present invention.

Detailed Description

The utility model is further described with reference to the following detailed description and accompanying drawings.

Example 1

As shown in fig. 1 and 2, a cathode stripping apparatus for stripping a metal layer 71 from a cathode plate includes:

the support 5 is made of square tubes in a welded mode, and a space for accommodating a cathode 7 is formed in the middle of the support 5;

two sets of cathode supporting components 1, cathode supporting components 1 are respectively and symmetrically arranged at two ends of the top of the cathode plate and are used for supporting and fixing the cathode plate. As shown in fig. 3, the cathode supporting assembly 1 includes a supporting frame 11 fixed on the support 5, the supporting frame 11 is a cuboid with an upward opening, a side plate of the supporting frame 11 close to the cathode 7 is provided with a V-shaped limiting groove 111 with an upward opening, the bottom of the supporting frame 11 is further provided with a side limiting groove 12 with a V-shaped opening facing the side edge of the cathode plate, the side limiting groove 12 is driven by a bottom limiting cylinder 121, a limiting plate 112 is arranged at the top of the supporting frame 11 in a sliding manner, the sliding direction is parallel to the transverse extending direction of the cathode plate, and the limiting plate 112 is driven by a top limiting cylinder 113. In the process that the cathode descends from the upper part of the device, the conducting rod at the top of the cathode plate is initially centered and limited through the V-shaped limiting groove, after the cathode is placed in place, secondary accurate limiting is carried out through the attachment of the V-shaped side limiting groove and the two side edges, the cathode plate is ensured to be in the central position of the device, the stripping accuracy of metal layers on the two sides is ensured, the limiting plate slides to the upper part of the cathode plate after alignment, and the cathode plate is prevented from popping upwards during stripping;

and the two sets of separating assemblies 2 are respectively and symmetrically arranged in the middle parts of the two sides of the cathode and are used for driving the cathode plate to bend so that the cathode plate is separated from the metal layer on the plate. As shown in fig. 4, the separating assembly 2 includes a separating member 21, a separating cylinder 22, a separating guide post 23 and a separating bracket 24, the separating member 21 is of a circular cross bar structure, the extending direction is parallel to the transverse extending direction of the cathode plate, the length of the separating member is shorter than the transverse width of the cathode plate, the middle part of the cross bar is rotatably connected with the output end of the separating cylinder 22, the separating cylinder 22 is fixed on the separating bracket 24, the separating member 21 is slidably connected with the separating bracket 24 through the separating guide post 23, the separating member 21 is arranged corresponding to the middle part of the cathode plate, the separating cylinder 22 drives the separating member 21 to be close to or far away from the cathode plate, and the separating bracket 24 is fixed on the bracket 5. The oil cylinder drives the separating piece to transversely push and extrude the middle part of the negative plate to drive the middle part of the negative plate to be convexly bent towards the other side, the angle between the separating piece and the oil cylinder can be properly finely adjusted in the pushing process, and the negative plate and the metal layer are uniformly stressed and are not easy to damage;

two sets of lower spacing subassemblies 3, the symmetry sets up respectively in negative pole bottom both sides, and when separator assembly 2 acted on the negative plate, lower spacing subassembly 3 butt was spacing to it in the negative plate bottom. As shown in fig. 5, the lower limit position assembly 3 includes a limiting member 31, a limiting oil cylinder 32, a limiting guide post 33 and a limiting support 24, the limiting member 31 is a circular cross bar structure, the extending direction is parallel to the transverse extending direction of the cathode plate, the length is longer than the transverse width of the cathode plate, two ends of the cross bar are provided with grooves for avoiding sealing strips, the limiting oil cylinder 32 is fixed on the limiting support 34, the limiting member 31 is slidably connected with the limiting support 34 through the limiting guide post 33, the limiting member 31 is arranged corresponding to the middle of the cathode plate, the limiting oil cylinder 32 drives the limiting member 31 to be close to or far away from the cathode plate, and the limiting support 34 is fixed on the support 5. The oil cylinder drives the limiting piece to move transversely to be attached to the metal layer so as to limit the bottom of the cathode plate, and the top and the bottom of the cathode cannot move transversely, so that the middle part of the cathode plate can be bent and deformed when the separating piece acts on the cathode, and the cathode plate and the metal layer are stressed uniformly and are not easy to damage;

two groups of stripping assemblies 4 are respectively and symmetrically arranged at two sides of the top of the cathode. As shown in fig. 1 and 2, the stripping assembly 4 includes a chisel 41, a chisel guide 42 and a stripping cylinder 43, the chisel 41 is used for inserting between the cathode plate and the metal layer and stripping the cathode plate from the metal layer, one end of the stripping cylinder 43 is rotatably connected with the top of the bracket 5, the other end is rotatably connected with the middle of the chisel 41, one end of the chisel 41 far away from the cathode is rotatably connected with the bracket 5, the rotating shaft of the chisel 41 is parallel to the width direction of the cathode plate, the chisel 41 is arc-shaped and protrudes outwards from one side of the cathode, and one end of the chisel 41 close to the cathode is pointed. The chisel guide 42 is provided with an arc-shaped groove 421 concentric with the chisel rotating shaft, and the chisel 41 is slidably connected with the arc-shaped groove 421. Preferably, a pressure sensor is arranged on one side of the end part of the chisel knife far away from the cathode, and the pressure sensor is connected with the stripping oil cylinder 43 through a controller. Because the motion trail of the chisel is arc-shaped, when the chisel is also arc-shaped, the outer side surface, namely one side close to the cathode plate, of the chisel is not contacted with the cathode plate all the time in the motion process between the cathode plate and the metal layer, so that the cathode plate is prevented from being scratched, and the reduction of metal adhesion capacity caused by the reduction of the surface quality of the cathode plate is avoided; the inner side of the end part of the chisel is in contact with one side of the metal layer close to the cathode plate, the inner side surface of the metal layer is smooth, when the adhesion force between the chisel and the metal layer is large, the acting force between the chisel and the metal layer is also large, the metal layer is easily damaged due to the excessively high stripping speed at the moment, the quality of the metal layer is influenced, the stripping speed is adjusted under the conditions of different pressures by monitoring the pressure in real time, the efficiency is ensured, and meanwhile, the damage to the metal is reduced;

two sets of supplementary assemblies 6 of peeling off, supplementary assembly 6 of peeling off includes stripping knife 61, supplementary stripping cylinder 62 and supplementary stripping frame 63, and supplementary stripping cylinder 62 one end is fixed in support 5 bottom, and the other end passes through supplementary stripping frame 63 and stripping knife 61 fixed connection, and stripping knife 61 is the wedge, and the oil cylinder drive stripping knife 61 inserts the clearance of negative plate and metal level, and stripping knife 61 corresponds the side setting in clearance, and the height is unanimous with locating part 31. When the metal layer cannot be completely stripped by the chisel after the stripping action is completed, the separating cathode plate and the metal layer are inserted from the side by the stripping knife.

The stripping step is as follows:

a. the cathode is conveyed into the stripping device through the mechanical arm, two ends of the top conductive rod of the cathode plate are placed into the limiting grooves, the bottom limiting cylinder pushes the side limiting grooves to be attached to the side edges of the cathode plate, the cathode is fixed in the middle, and the top limiting cylinder pushes the limiting plates to slide to the positions above the two ends of the conductive rod so as to prevent the cathode plate from rebounding;

b. the left limiting oil cylinder drives the limiting piece to gradually approach the cathode and abut against the bottom of the cathode, the right separating oil cylinder drives the separating piece to gradually approach the cathode plate and push the middle part of the cathode plate to bend and bulge leftwards, the cathode plate is separated from the top of the left metal layer, and the stripping oil cylinder drives the chisel to be inserted between the cathode plate and the metal layer after the separating piece returns to the original position;

c. the stripping oil cylinder continues to drive the chisel cutter to rotate to strip the metal layer in the direction far away from the cathode plate, wherein the stripping speed of the chisel cutter is in inverse proportion to the pressure measured by the pressure sensor;

d. repeating steps b and c for the other side.

When the left side is stripped, the left side limiting part is attached to the cathode, the right side separating part moves to the left side to extrude the cathode, the left side chisel is inserted for stripping, and the stripping step can be carried out in a side-by-side mode or synchronously carried out after chisels at two sides are inserted; preferably, the separating piece is height-adjustable, the acting point of the separating piece on the cathode is adjusted by adjusting the height of the separating piece, the different heights of the separating piece lead to different bending degrees of the cathode plate, the bottom is difficult to separate due to too high height, and the top is difficult to separate due to too low height; meanwhile, the bending degree of the cathode plate is different due to the difference of the propelling depth, the cathode plate is greatly deformed due to the over depth, the separation degree is low due to the over shallow depth, the success rate of next stripping at different action heights and propelling depths is recorded, and the action height and the depth with the highest success rate are selected as the optimal action parameters during the metal separation. The chiseling stripping speed is in inverse proportion to the adhesive force of the metal layer and the cathode plate, so that the scratch to the metal layer is reduced while the efficiency is ensured.

Claims

1. The utility model provides a cathode stripping device, includes support (5), is equipped with the space that is used for holding the negative pole on support (5), characterized by, be equipped with negative pole supporting component (1), separator assembly (2), lower limit bit subassembly (3) and shell subassembly (4) on support (5), negative pole supporting component (1) sets up at the negative pole top, separator assembly (2) move along the negative pole normal direction and set up in the negative pole both sides, lower limit component (3) move along the negative pole normal direction and set up in the negative pole both sides, shell subassembly (4) are including rotating chisel sword (41) that set up in the negative pole board top and be used for peeling off the metal level, chisel sword (41) axis of rotation is parallel with the horizontal extending direction of negative pole.

2. The cathode stripping device according to claim 1, characterized in that the separation assembly (2) comprises a separation cylinder (22) and a separation member (21), the separation cylinder (22) is fixed on the support (5), the output end of the separation cylinder is connected with the separation member (21), the separation member (21) is arranged corresponding to the middle part of the cathode, and the separation cylinder (22) drives the separation member (21) to move close to or away from the cathode.

3. The cathode stripping apparatus as claimed in claim 2, characterized in that the separating member (21) is of a round bar structure, the extension direction of the round bar is parallel to the transverse extension direction of the cathode, and the separating member (21) is rotatably connected with the separating cylinder (22).

4. The cathode stripping apparatus as claimed in claim 2, characterized in that the separator assembly (2) is arranged on the support (5) in a height-adjustable manner.

5. The cathode stripping device according to claim 1, wherein the lower limiting assembly (3) comprises a limiting oil cylinder (32) and a limiting member (31), the limiting oil cylinder (32) is fixed on the bracket (5), the output end of the limiting oil cylinder (32) is connected with the limiting member (31), and the limiting oil cylinder (32) drives the limiting member (31) to move close to or away from the cathode.

6. The cathode stripping device according to claim 1, wherein the stripping assembly (4) further comprises a stripping oil cylinder (43) and a chisel (42) guide, the stripping oil cylinder (43) is arranged on the support (5), the output end of the stripping oil cylinder (43) is rotatably connected with the chisel (41), one end of the chisel (41) far away from the cathode is rotatably connected with the support (5), an arc-shaped groove (421) is formed in the chisel (42), and the chisel (41) is slidably connected with the arc-shaped groove (421).

7. The cathode stripping apparatus as claimed in claim 6, characterized in that the side of the chisel (41) adjacent to the cathode plate is convexly curved.

8. The cathode stripping device as claimed in claim 1, characterized in that a pressure sensor is arranged inside the end of the chisel (41), and the pressure sensor is connected with the stripping oil cylinder through a controller.

9. The cathode stripping device according to claim 1, characterized in that the cathode support assembly (1) comprises a support frame (11) fixed on the support frame (5), the support frame (11) is provided with a V-shaped limiting groove (111) with an upward opening, the support frame (11) is further provided with a V-shaped side limiting groove (12) with an opening facing the side edge of the cathode plate, and the top of the support frame (11) is slidably provided with a limiting plate (112).

10. The cathode stripping device as claimed in claim 1, further comprising an auxiliary stripping assembly (6), wherein the auxiliary stripping assembly (6) comprises an auxiliary stripping cylinder (62) and a stripping knife (61), and the auxiliary stripping cylinder (62) drives the stripping knife (61) to be inserted into the gap on the side edge of the cathode.