CN113604859A

CN113604859A - Powder metallurgy copper facing assembly line

Info

Publication number: CN113604859A
Application number: CN202110814959.9A
Authority: CN
Inventors: 李根富; 张国富; 鲁晶; 杨华斌; 郑学云
Original assignee: Federal Mogul Anqing Powder Metallurgy Co Ltd
Current assignee: Federal Mogul Anqing Powder Metallurgy Co Ltd
Priority date: 2021-07-19
Filing date: 2021-07-19
Publication date: 2021-11-05
Anticipated expiration: 2041-07-19
Also published as: CN113604859B

Abstract

The invention discloses a powder metallurgy copper plating processing line, which comprises a rack and two groups of ventilation pipes, wherein the two groups of ventilation pipes are arranged above the rack, and the tail ends of the ventilation pipes are provided with waste gas treatment towers. Through the powder material to among the electroplating barrel through alkaline washing groove, the descaling bath, remove the oil groove, the nickel plating groove, the processing of washing tank and copper plating groove, and after each step of processing, all send electroplating barrel into adjacent potcher and carry out the rinsing treatment, effectively solve the problem that the goods caused the pollution to another processing cell body because remaining solution in the hole in the course of working, and then improve the surface quality after the product copper facing greatly, utilize the nimble displacement of transportation driving at the frame top in addition, the processing treatment efficiency of electroplating barrel between different cell bodies has been improved, thereby the copper facing machining efficiency of processing assembly line to powder metallurgy product has been improved by a wide margin.

Description

Powder metallurgy copper facing assembly line

Technical Field

The invention relates to the technical field of processing production lines, in particular to a powder metallurgy copper plating processing production line.

Background

Powder metallurgy is a process technique for producing metal powder or metal powder (or a mixture of metal powder and nonmetal powder) as a raw material, and then forming and sintering the raw material to produce metal materials, composite materials and various products. Because the powder metallurgy product contains certain pores, the surface quality of direct electroplating is poor, in the electroplating process, when the product is transferred from one tank to another tank, the solution remained in the pores can pollute the liquid in the other tank, and after electroplating, the residual liquid in the pores can seep out of a coating again, so that rusty spots are generated on the surface of a workpiece, and the surface quality of copper plating of the product is greatly reduced.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a powder metallurgy copper plating processing line, which solves the problem that the surface quality of the product after copper plating is greatly reduced in the existing powder metallurgy copper plating processing line.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a powder metallurgy copper plating processing assembly line comprises a rack and two groups of ventilation pipes, wherein the two groups of ventilation pipes are arranged above the rack, a waste gas treatment tower is arranged at the tail end of each ventilation pipe, a processing tank body is arranged inside the rack, an electroplating roller is arranged inside the processing tank body, the air exhaust ends of the two groups of ventilation pipes are both arranged above the processing tank body, a positioning frame matched with the electroplating roller is arranged inside the processing tank body, transmission gears are arranged at the front and the back of the inner wall of the processing tank body, driven gears matched with the transmission gears are arranged at the front and the back of the electroplating roller, two groups of transport travelling cranes are arranged at the top of the rack in a sliding manner, and a cantilever travelling crane is arranged on the front of the rack;

the transport travelling crane comprises a movable frame, a mounting frame, a lifting part, a material taking part, a driving mechanism and a travelling mechanism, wherein the mounting frame is arranged at the top of the movable frame, the lifting part is arranged at the top of the mounting frame, the material taking part is arranged below the lifting part, the material taking part is positioned in the mounting frame and slides up and down, the bottom of the lifting part is connected with the top of the material taking part, the driving mechanism is arranged below the inside of the mounting frame, and the travelling mechanism is arranged at the bottom of the mounting frame;

the cantilever crane comprises a fixing frame and a mechanical claw, wherein the mechanical claw is arranged in the fixing frame, and the mechanical claw is located in the fixing frame and slides up and down.

Preferably, the lift portion includes elevator motor, rotation screw rod and belt one, the top of mounting bracket is provided with elevator motor, and the top of mounting bracket is provided with through two rolling bearing and rotates the screw rod, the one end of elevator motor output shaft is passed through the shaft coupling and is rotated the one end fixed connection of screw rod, and rotates the both sides on screw rod surface and all be provided with belt one.

Preferably, the material taking part comprises a material taking frame and material taking claws, the material taking frame is located in the mounting frame and slides up and down, the two material taking claws are symmetrically arranged on the surface of the material taking frame, and the tops of the two material taking claws are fixedly connected with the bottom ends of the two belts I respectively.

Preferably, the top of gripper is provided with the drive division, and the drive division includes lifting shaft, control motor, belt two and movable block, the inside of mount is provided with the movable block, and the inside of movable block is provided with control motor, the internal thread connection of connecting axle and gripper is passed through to the one end of control motor output shaft, the top of mount is rotated and is connected with the lifting shaft, the surface of lifting shaft is provided with the rolling wheel, and the surface of rolling wheel is provided with belt two, the bottom of belt two and the top fixed connection of movable block.

Preferably, running gear is including walking motor, transmission shaft, walking wheel and locating wheel, the back at adjustable shelf top is provided with the walking motor, and the below of walking motor rotates and is connected with the transmission shaft, the surface of walking motor output shaft and transmission shaft all is provided with bevel gear, and two bevel gear's surface meshes mutually, the both ends of transmission shaft all are provided with the walking wheel, and the surface of two walking wheels all contacts with the top of frame, all be provided with the locating wheel around the adjustable shelf bottom.

Preferably, actuating mechanism includes link, driving motor, drive shaft and drive gear, the front at activity frame top is provided with the link, and one side at link top is provided with driving motor, shaft coupling fixedly connected with drive shaft is passed through to the one end of driving motor output shaft, and the both sides on drive shaft surface all are provided with drive gear.

Preferably, processing cell body includes from left to right passivation groove, alkali wash tank, descaling bath, oil removal groove, nickel plating bath, accumulator one, washing tank, accumulator two and the copper plating bath that sets gradually, and alkali wash tank, descaling bath, oil removal groove and nickel plating bath between adjacent and accumulator one, washing tank, accumulator two adjacent between all be provided with the potcher, the inside of oil removal groove, nickel plating bath and copper plating bath all is provided with the electrode bar, the inside of washing tank is provided with supersonic generator.

Preferably, the cantilever crane is provided with the below of moving material dolly, and the one side of moving the material dolly is provided with centrifugal drier, and one side of centrifugal drier is provided with the air heater, and the air outlet of air heater passes through the inside intercommunication of air duct and centrifugal drier, one side of centrifugal drier is provided with the blanking machine, and powder metallurgy product puts in storage after the processing through the blanking machine.

(III) advantageous effects

The invention provides a powder metallurgy copper plating processing line. Compared with the prior art, the method has the following beneficial effects:

(1) the processing groove body is arranged in the frame, wherein the processing groove body comprises a passivation groove, an alkali washing groove, a pickling groove, an oil removing groove, a nickel plating groove, a first recovery groove, a cleaning groove, a second recovery groove and a copper plating groove which are sequentially arranged from left to right, rinsing grooves are respectively arranged between the alkali washing groove, the pickling groove, the oil removing groove and the nickel plating groove which are adjacent, and between the first recovery groove, the cleaning groove and the recovery groove which are adjacent, meanwhile, a transport travelling crane is used for sliding on the top of the frame, a material taking part in the transport travelling crane is used for clamping the electroplating roller, then the height of the electroplating roller is controlled through a lifting part, the whole transport travelling crane is driven by the work of a travelling mechanism to displace on the top of the frame, powder materials in the electroplating roller are sequentially processed through the alkali washing groove, the pickling groove, the oil removing groove, the nickel plating groove, the cleaning groove and the copper plating groove, and after each processing step, all send into electroplating barrel and carry out the rinsing treatment in the adjacent potcher, effectively solve goods and cause the problem of pollution to another processing cell body because remaining solution in the hole in the course of working, and then improve the surface quality after the product copper facing greatly, utilize the nimble displacement of transport driving in the frame top in addition, improved electroplating barrel's processing treatment efficiency between different cell bodies to the copper facing machining efficiency of powder metallurgy product of processing assembly line has been improved by a wide margin.

(2) Through setting up the cantilever driving crane in machining flow line's front, the transportation driving crane in the cooperation frame, the realization is to electroplating barrel's automatic transportation, the labour output of machining flow line workman has been reduced, and it is higher to electroplating barrel's conveying efficiency, compare in artificial transportation mode, the use of cantilever driving crane has improved the stability to electroplating barrel transportation on the one hand, on the other hand has reduced artificial intensity of labour, the security of manual work has been ensured, and the cantilever driving crane has linked up the transportation driving crane and has moved the work between the material dolly, make the degree of automation of whole machining flow line obtain further improvement.

(3) The top of the rack is provided with the two groups of ventilation pipes, and the tail ends of the ventilation pipes are provided with the waste gas treatment tower, so that on one hand, the air sanitation of the processing line is ensured, and on the other hand, the pollution of waste gas generated by the processing line to the ambient air environment is avoided; through setting up centrifugal drier and blanking machine in the front of frame to under the drive of moving the material dolly, accomplish the centrifugation of powder metallurgy product and spin-dry and automatic unloading and handle, need not artifical labour and operate, whole processing line operation management is convenient, can accomplish the high-efficient processing in batches to powder metallurgy copper-plated product.

Drawings

FIG. 1 is a schematic view of the powder metallurgy copper plating process pipeline structure of the present invention;

FIG. 2 is a schematic view of the structure of the cantilever crane, the material moving trolley, the centrifugal drier and the blanking machine of the invention;

FIG. 3 is a schematic view of the structure of the copper plating bath and the electrode bar according to the present invention;

FIG. 4 is a schematic diagram of the structure of a cleaning tank and an ultrasonic generator according to the present invention;

FIG. 5 is a front view of the transport vehicle structure of the present invention;

FIG. 6 is a top plan view of the transport vehicle structure of the present invention;

FIG. 7 is a schematic view of a cantilever crane structure according to the present invention.

In the figure, 10, a frame; 20. a vent pipe; 30. processing a groove body; 31. a passivation tank; 32. an alkaline washing tank; 33. a pickling tank; 34. an oil removal groove; 35. a nickel plating bath; 36. a first recovery tank; 37. a cleaning tank; 371. an ultrasonic generator; 38. a second recovery tank; 39. a copper plating bath; 391. an electrode rod; 310. a rinsing tank; 40. electroplating the roller; 41. a positioning frame; 42. a transmission gear; 43. a driven gear; 50. a material moving trolley; 60. a centrifugal drier; 70. a blanking machine; 1. transporting the travelling crane; 11. a movable frame; 12. a mounting frame; 13. a lifting part; 131. a lifting motor; 132. rotating the screw; 133. a first belt; 14. a material taking part; 141. a material taking frame; 142. a material taking claw; 15. a drive mechanism; 151. a connecting frame; 152. a drive motor; 153. a drive shaft; 154. a drive gear; 16. a traveling mechanism; 161. a traveling motor; 162. a drive shaft; 163. a traveling wheel; 164. positioning wheels; 2. a cantilever crane is driven; 21. a fixed mount; 22. a gripper; 23. a drive section; 231. a lift shaft; 232. controlling the motor; 233. a second belt; 234. a movable block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a powder metallurgy copper plating processing line comprises a frame 10 and two sets of ventilation pipes 20, wherein the two sets of ventilation pipes 20 are arranged above the frame 10, a processing tank 30 is arranged inside the frame 10, an electroplating roller 40 is arranged inside the processing tank 30, the air exhaust ends of the two sets of ventilation pipes 20 are arranged above the processing tank 30, a positioning frame 41 matched with the electroplating roller 40 is arranged inside the processing tank 30, a transmission gear 42 is arranged at the front and back of the inner wall of the processing tank 30, a driven gear 43 matched with the transmission gear 42 is arranged at the front and back of the electroplating roller 40, two sets of transport trolleys 1 are arranged at the top of the frame 10 in a sliding manner, the flexible displacement of the transport trolleys 1 at the top of the frame 10 is utilized to improve the processing efficiency of the electroplating roller 40 among different tanks, so as to greatly improve the copper plating processing efficiency of the powder metallurgy products by the processing line, and the front of the frame 10 is provided with a cantilever crane 2;

the processing tank body 30 comprises a passivation tank 31, an alkaline washing tank 32, an acid washing tank 33, an oil removing tank 34, a nickel plating tank 35, a first recovery tank 36, a cleaning tank 37, a second recovery tank 38 and a copper plating tank 39 which are arranged from left to right in sequence, wherein rinsing tanks 310 are arranged between the adjacent alkaline washing tank 32, acid washing tank 33, oil removing tank 34 and nickel plating tank 35 and between the adjacent recovery tank 36, cleaning tank 37 and recovery tank 38, the powder materials in the electroplating roller 40 are sequentially processed by the alkaline washing tank 32, acid washing tank 33, oil removing tank 34, nickel plating tank 35, cleaning tank 37 and copper plating tank 39, the electroplating roller 40 is sent to the adjacent rinsing tanks 310 for rinsing after each processing step, the problem that pollution is caused to another tank body by the residual solution in the pores during the processing process of the product is effectively solved, and electrode rods are arranged inside the oil removing tank 34, nickel plating tank 35 and copper plating tank 39, an ultrasonic generator 371 is arranged inside the cleaning tank 37;

the material moving trolley 50 is arranged below the cantilever travelling crane 2, the centrifugal drying machine 60 is arranged on one side of the material moving trolley 50, the blanking machine 70 is arranged on one side of the centrifugal drying machine 60, the cantilever travelling crane 2 is arranged on the front side of the processing line and matched with the transportation travelling crane 1 on the rack 10 to realize automatic transportation of the electroplating roller 40, labor output of workers of the processing line is reduced, the transportation efficiency of the electroplating roller 40 is higher, compared with a manual transportation mode, the stability of the electroplating roller 40 in the transportation process is improved due to the use of the cantilever travelling crane 2, the labor intensity of workers is reduced on the other hand, the safety of manual operation is guaranteed, the cantilever travelling crane 2 is connected with the transportation travelling crane 1 and the material moving trolley 50, and the automation degree of the whole processing line is further improved.

As shown in fig. 5-6, the transport vehicle 1 includes a movable frame 11, an installation frame 12, a lifting part 13, a material taking part 14, a driving mechanism 15 and a traveling mechanism 16, the installation frame 12 is disposed on the top of the movable frame 11, the lifting part 13 is disposed on the top of the installation frame 12, the material taking part 14 is disposed below the lifting part 13, the material taking part 14 is located inside the installation frame 12 and slides up and down, the bottom of the lifting part 13 is connected with the top of the material taking part 14, the driving mechanism 15 is disposed below the inside of the installation frame 12, and the traveling mechanism 16 is disposed at the bottom of the installation frame 12;

the lifting part 13 comprises a lifting motor 131, a rotating screw 132 and a first belt 133, the lifting motor 131 is arranged at the top of the mounting frame 12, the rotating screw 132 is arranged at the top of the mounting frame 12 through two rotating bearings, one end of an output shaft of the lifting motor 131 is fixedly connected with one end of the rotating screw 132 through a coupler, and the first belt 133 is arranged on two sides of the surface of the rotating screw 132;

the material taking part 14 comprises a material taking frame 141 and material taking claws 142, the material taking frame 141 slides up and down in the mounting frame 12, the two material taking claws 142 are symmetrically arranged on the surface of the material taking frame 141, and the tops of the two material taking claws 142 are respectively fixedly connected with the bottom ends of the two first belts 133;

the walking mechanism 16 comprises a walking motor 161, a transmission shaft 162, walking wheels 163 and positioning wheels 164, the walking motor 161 is arranged on the back of the top of the movable frame 11, the transmission shaft 162 is rotatably connected below the walking motor 161, bevel gears are arranged on the surfaces of the output shaft of the walking motor 161 and the transmission shaft 162, the surfaces of the two bevel gears are meshed, the walking wheels 163 are arranged at two ends of the transmission shaft 162, the surfaces of the two walking wheels 163 are contacted with the top of the frame 10, and the positioning wheels 164 are arranged on the periphery of the bottom of the movable frame 11;

actuating mechanism 15 includes link 151, driving motor 152, drive shaft 153 and drive gear 154, the front at adjustable shelf 11 top is provided with link 151, and one side at link 151 top is provided with driving motor 152, shaft coupling fixedly connected with drive shaft 153 is passed through to the one end of driving motor 152 output shaft, and the both sides on drive shaft 153 surface all are provided with drive gear 154.

Referring to fig. 7, the cantilever crane 2 is disposed on a traveling frame, the traveling frame is disposed above the centrifugal dryer 60 and the blanking machine 70, a traveling mechanism 16 is disposed at the bottom of the cantilever crane 2, the cantilever crane 2 can move left and right above the traveling frame through the traveling mechanism 16, the cantilever crane 2 includes a fixed frame 21 and a gripper 22, the gripper 22 is disposed inside the fixed frame 21, the gripper 22 slides up and down inside the fixed frame 21, a driving part 23 is disposed at the top of the gripper 22, the driving part 23 includes a lifting shaft 231, a control motor 232, a second belt 233 and a movable block 234, a movable block 234 is disposed inside the fixed frame 21, the control motor 232 is disposed inside the movable block 234, one end of an output shaft of the control motor 232 is connected with an internal thread of the gripper 22 through a connecting shaft, the top of the fixed frame 21 is rotatably connected with the lifting shaft 231, the surface of the lifting shaft 231 is provided with a winding wheel, the surface of the winding wheel is provided with a second belt 233, and the bottom end of the second belt 233 is fixedly connected with the top of the movable block 234.

And those not described in detail in this specification are well within the skill of those in the art.

The working principle is that when the powder metallurgy product is used, the powder metallurgy product is placed inside the electroplating roller 40, the traveling mechanism 16 at the bottom of the transport travelling crane 1 displaces at the top of the rack 10 until the transport travelling crane 1 displaces above the alkaline washing tank 32, the output shaft of the lifting motor 131 drives the rotating screw 132 to rotate, so that the first belt 133 extends, the material taking frame 141 slides downwards inside the mounting frame 12, the whole electroplating roller 40 is placed in the positioning frame 41 inside the alkaline washing tank 32, the driven gears 43 at the front side and the rear side of the electroplating roller 40 are respectively meshed with the transmission gears 42 at the front side and the rear side inside the alkaline washing tank 32, meanwhile, the two driving gears 154 in the driving mechanism 15 are respectively meshed with the surfaces of the two transmission gears 42, the driving motor 152 is started, the output shaft of the driving motor 152 drives the two driving gears 154 to rotate through the driving shaft 153, and through the meshing transmission of the driving gears 154 and the transmission gears 42, the electroplating roller 40 rolls in the positioning frame 41 to finish the alkali washing treatment of the powder metallurgy product;

the electroplating drum 40 is carried out of the alkaline bath 32 by the transport trolley 1 and then is conveyed into the adjacent rinsing bath 310, rinsing the product after the alkali washing for three times, repeating the above operations, performing acid washing treatment on the product through an acid washing tank 33, then rinsing for three times again, performing electrolytic degreasing treatment on the product through an oil removing tank 34, then rinsing for three times again, performing surface nickel plating treatment on the surface of the product through a nickel plating tank 35, then the recovery tank I36 is used for recovering the redundant nickel on the surface of the product, the three rinsing tanks 310 are used for rinsing the product again, cleaning the nickel-plated product by a cleaning tank 37, separating redundant nickel on the surface of the product by an ultrasonic generator 371, carrying out secondary recovery by a second recovery tank 38, and finally carrying out three times of copper plating treatment on the surface of the product by three copper plating tanks 39 to finish the copper plating treatment on the surface of the product;

the product after driving the copper facing through the transport driving 1 is sent into the inside of passivation groove 31, to the inside passivant that drops into of passivation groove 31, carry out passivation treatment to the product surface, can effectively avoid the product surface to take place to discolour, send into the product after the passivation through the transport driving 1 and move in the material dolly 50, move the material dolly 50 and shift to the below of cantilever driving 2, utilize cantilever driving 2 to send the product into centrifugal drier 60 in and carry out centrifugal drying, send the product into blanking machine 70 at last and carry out unloading warehouse entry, accomplish whole flows to powder metallurgy copper facing processing.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a powder metallurgy copper facing manufacturing line, includes frame (10) and ventilation pipe (20), and ventilation pipe (20) are located the top of frame (10) and are provided with two sets ofly, its characterized in that: a processing tank body (30) is arranged inside the rack (10), an electroplating roller (40) is arranged inside the processing tank body (30), a positioning frame (41) matched with the electroplating roller (40) is arranged inside the processing tank body (30), transmission gears (42) are arranged at the front and rear parts of the inner wall of the processing tank body (30), driven gears (43) matched with the transmission gears (42) are arranged at the front and rear parts of the electroplating roller (40), two groups of transport travelling cranes (1) are arranged at the top of the rack (10) in a sliding manner, and a cantilever travelling crane (2) is arranged on the front of the rack (10);

the transport travelling crane (1) comprises a movable frame (11), an installation frame (12), a lifting part (13), a material taking part (14), a driving mechanism (15) and a travelling mechanism (16), wherein the installation frame (12) is arranged at the top of the movable frame (11), the lifting part (13) is arranged at the top of the installation frame (12), the material taking part (14) is arranged below the lifting part (13), the material taking part (14) is positioned in the installation frame (12) and slides up and down, the bottom of the lifting part (13) is connected with the top of the material taking part (14), the driving mechanism (15) is arranged below the interior of the installation frame (12), and the travelling mechanism (16) is arranged at the bottom of the installation frame (12);

the cantilever crane (2) comprises a fixing frame (21) and a mechanical claw (22), wherein the mechanical claw (22) is arranged in the fixing frame (21), and the mechanical claw (22) is located in the fixing frame (21) and slides up and down.

2. The powder metallurgy copper-plating process line according to claim 1, characterized in that: the lifting part (13) comprises a lifting motor (131), a rotating screw (132) and a first belt (133), the top of the mounting rack (12) is provided with the lifting motor (131), the top of the mounting rack (12) is provided with the rotating screw (132) through two rotating bearings, one end of an output shaft of the lifting motor (131) is fixedly connected with one end of the rotating screw (132) through a coupler, and the two sides of the surface of the rotating screw (132) are provided with the first belt (133).

3. The powder metallurgy copper-plating process line according to claim 2, characterized in that: the material taking part (14) comprises a material taking frame (141) and material taking claws (142), the material taking frame (141) is located inside the mounting frame (12) and slides up and down, the two material taking claws (142) are symmetrically arranged on the surface of the material taking frame (141), and the tops of the two material taking claws (142) are fixedly connected with the bottom ends of the first belts (133) respectively.

4. The powder metallurgy copper-plating process line according to claim 3, characterized in that: the top of gripper (22) is provided with drive division (23), and drive division (23) are including promoting axle (231), control motor (232), two (233) of belt and movable block (234), the inside of mount (21) is provided with movable block (234), and the inside of movable block (234) is provided with control motor (232), the internal thread connection of connecting axle and gripper (22) is passed through to the one end of control motor (232) output shaft, the top of mount (21) is rotated and is connected with and promotes axle (231), the surface of promoting axle (231) is provided with the rolling wheel, and the surface of rolling wheel is provided with two (233) of belt, the bottom of two (233) of belt and the top fixed connection of movable block (234).

5. The powder metallurgy copper-plating process line according to claim 4, characterized in that: running gear (16) are including walking motor (161), transmission shaft (162), walking wheel (163) and positioning wheel (164), the back at adjustable shelf (11) top is provided with walking motor (161), and the below of walking motor (161) rotates and is connected with transmission shaft (162), the surface of walking motor (161) output shaft and transmission shaft (162) all is provided with bevel gear, and the surface of two bevel gear meshes mutually, the both ends of transmission shaft (162) all are provided with walking wheel (163), and the surface of two walking wheels (163) all contacts with the top of frame (10), all be provided with positioning wheel (164) around adjustable shelf (11) bottom.

6. The powder metallurgy copper-plating process line of claim 5, characterized in that: actuating mechanism (15) are including link (151), driving motor (152), drive shaft (153) and drive gear (154), the front at adjustable shelf (11) top is provided with link (151), and one side at link (151) top is provided with driving motor (152), shaft coupling fixedly connected with drive shaft (153) is passed through to the one end of driving motor (152) output shaft, and the both sides on drive shaft (153) surface all are provided with drive gear (154).

7. The powder metallurgy copper-plating process line according to claim 6, characterized in that: the processing tank body (30) comprises a passivation tank (31), an alkaline washing tank (32), an acid washing tank (33), an oil removing tank (34), a nickel plating tank (35), a first recovery tank (36), a cleaning tank (37), a second recovery tank (38) and a copper plating tank (39) which are sequentially arranged from left to right, wherein a rinsing tank (310) is respectively arranged between the alkaline washing tank (32), the acid washing tank (33), the oil removing tank (34) and the nickel plating tank (35) and between the first recovery tank (36), the cleaning tank (37) and the second recovery tank (38), the electrode rods (391) are respectively arranged in the oil removing tank (34), the nickel plating tank (35) and the copper plating tank (39), and an ultrasonic generator (371) is arranged in the cleaning tank (37).

8. The powder metallurgy copper-plating process line of claim 7, characterized in that: the material moving trolley (50) is arranged below the cantilever travelling crane (2), a centrifugal drying machine (60) is arranged on one side of the material moving trolley (50), and a blanking machine (70) is arranged on one side of the centrifugal drying machine (60).