CN112210785A

CN112210785A - Surface treatment method for non-ferrous metal workpiece

Info

Publication number: CN112210785A
Application number: CN202011085658.9A
Authority: CN
Inventors: 张朝阳
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-01-12

Abstract

The invention discloses a surface treatment method for a non-ferrous metal workpiece, which specifically comprises the following steps: s1, chemically polishing the workpiece to be processed; s2, placing the workpiece processed in the step S1 in a soaking system, soaking the workpiece for 12-18min by using a treating agent, and then cleaning and drying the workpiece; s3, carrying out anodic oxidation treatment on the workpiece processed in the step S2; s4, polishing the workpiece processed in the step S3, and the invention relates to the technical field of surface treatment. This a surface treatment method for non ferrous metal work piece will soak, wash and drying equipment and integrate together, and the work piece adopts the mode that the winding rotated to carry, has reduced the whole area of equipment, has improved space utilization, and simultaneously, the work piece is soaking, the in-process delivery time who washs and dry shortens to improve work efficiency, be favorable to the enterprise to improve production speed, in addition, put the thing frame and be difficult for dropping at the transportation in-process work piece, and make things convenient for the unloading.

Description

Surface treatment method for non-ferrous metal workpiece

Technical Field

The invention relates to the technical field of surface treatment, in particular to a surface treatment method for a non-ferrous metal workpiece.

Background

The surface treatment is a process method for artificially forming a surface layer with mechanical, physical and chemical properties different from those of a base body on the surface of a base body material, the purpose of the surface treatment is to meet the requirements of corrosion resistance, wear resistance, decoration or other special functions of a product, for a metal casting, the more common surface treatment method is mechanical grinding, chemical treatment, surface heat treatment and surface spraying, the surface treatment is cleaning, deburring, degreasing, descaling and the like on the surface of a workpiece, and in the process of the surface treatment of nonferrous metals, a treating agent is required to be used for soaking the workpiece, so the convenience of a soaking system directly influences the surface treatment efficiency of the workpiece, and further influences the production speed.

Patent publication No. CN206783769U provides a formula of soaking metal surface pretreatment device, and this scheme simple structure, convenient to use has improved the washing effect to the waste of water resource has been reduced, effectual reuse.

The patent with publication number CN111155127A discloses an acidizing fluid soak device that metal product surface oxide film got rid of, and this scheme can ensure that the oxide film on metal product surface fully contacts with the acidizing fluid, and simultaneously, orderly position exchange combines with the lift part under the intermittent gear cooperation, can improve the efficiency of getting rid of metal product oxide film, combines prior art, and present a soaking system for non ferrous metal surface treatment still has following defect:

1) the functions are single, the soaked workpieces need to be conveyed to separate cleaning equipment and drying equipment for cleaning and drying, time is wasted in conveying the workpieces, the surface treatment work efficiency is low, and the production speed of products is directly influenced;

2) soaking, washing and stoving are three equipment, and whole area is big, and the practicality is lower.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a surface treatment method for a non-ferrous metal workpiece, and the method adopts a soaking system to solve the problems of large occupied area, low practicability, time waste of workpiece conveying and production efficiency reduction of soaking, cleaning and drying equipment.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a surface treatment method for a non-ferrous metal workpiece specifically comprises the following steps:

s1, chemically polishing the workpiece to be processed;

s2, placing the workpiece processed in the step S1 in a soaking system, soaking the workpiece for 12-18min by using a treating agent, and then cleaning and drying the workpiece;

s3, carrying out anodic oxidation treatment on the workpiece processed in the step S2;

s4, polishing the workpiece processed in the step S3;

wherein, in step S2 the soaking system, include the bottom plate and fix the soaking subassembly at the bottom plate top, the equal fixedly connected with supporting leg in four corners at bottom plate top to the top fixedly connected with casing of four supporting legs, the top fixedly connected with support frame of bottom plate, the inside of casing is provided with actuating mechanism, the top of bottom plate and the rear that is located the soaking subassembly are provided with the washing subassembly, the top of bottom plate and the left side that is located the washing subassembly are provided with the stoving subassembly.

The driving mechanism comprises a first motor fixed on the top of the shell, the output end of the first motor is fixedly connected with a driving rod, one end of the driving rod, far away from the first motor, penetrates through the shell and is rotatably connected with the top of the support frame through a bearing, the right side between the top of the inner wall of the shell and the top of the support frame is rotatably connected with a driven rod through a bearing, the surfaces of the driving rod and the driven rod are fixedly connected with an upper first chain wheel and a lower first chain wheel, the first chain wheels which are positioned on the surfaces of the driving rod and the driven rod and are positioned at the same height are connected through chain transmission, the outer ring of the chain is rotatably connected with a fixed plate through a connecting clamping piece, one side of the fixed plate, far away from the chain, is slidably connected with the inner wall of the shell through a sliding rail, the bottom of, and the bottom of the connecting plate is provided with a storage component.

Preferably, put the thing subassembly including fixing limiting plate and the second electric putter in connecting plate bottom both sides, two rotate through the axis of rotation between the relative one side of limiting plate and be connected with and put the thing frame, put the both sides of thing frame and be located the spacing frame of dead ahead fixedly connected with of limiting plate, the spacing groove has all been seted up to the both sides of spacing frame inner wall to sliding connection has the movable rod between two spacing grooves, the output of second electric putter is connected with the fixed surface of movable rod.

Preferably, the soaking component is including fixing at the fermentation vat and the second motor at bottom plate top, the front intercommunication of fermentation vat has the fluid-discharge tube, the output fixedly connected with dwang of second motor, the one end that the second motor was kept away from to the dwang runs through the fermentation vat right side and is passed through the bearing through the left side of bearing and fermentation vat inner wall and rotate and be connected, the fixed surface of dwang is connected with the stirring leaf.

Preferably, wash the subassembly including fixing washing pond and the water pump at the bottom plate top, wash the pond, the bottom intercommunication have first calandria, the delivery port intercommunication of water pump has the conveyer pipe, the one end that the water pump was kept away from to the conveyer pipe runs through the inside of wasing the pond and extending to the washing pond, the conveyer pipe is located the fixed surface who washs the pond inside and is connected with the shower nozzle.

Preferably, the stoving subassembly is including fixing the stoving frame at the bottom plate top, the bottom intercommunication of stoving frame has the second drain pipe to the fixed frame of the equal fixedly connected with in front and the back of stoving frame, fixedly connected with electric heating wire between the both sides of fixed frame inner wall to the one side fixedly connected with fan of stoving frame is kept away from to the inner wall of fixed frame.

Preferably, a partition plate is fixedly connected between the top of the soaking pool and the bottom of the supporting frame, and baffles are fixedly connected to the front face and the back face of the partition plate.

Preferably, the top of the connecting plate is fixedly connected with a guide rod right behind the first electric push rod, the top end of the guide rod penetrates through the fixing plate below the guide rod and extends to the upper side of the guide rod, and the top end of the guide rod is fixedly connected with a stop block.

Preferably, the central position between the top of the inner wall of the shell and the top of the support frame is rotatably connected with a limiting rod through a bearing, and the top and the bottom of the surface of the limiting rod are fixedly connected with a second chain wheel meshed with the first chain wheel.

Preferably, the storage frame is made of stainless steel meshes.

(III) advantageous effects

The invention provides a surface treatment method for a non-ferrous metal workpiece. Compared with the prior art, the method has the following beneficial effects:

(1) according to the surface treatment method for the non-ferrous metal workpiece, the soaking system is adopted, the soaking equipment, the cleaning equipment and the drying equipment are integrated, the workpiece is conveyed in a winding rotation mode, the whole occupied area of the equipment is greatly reduced, the space utilization rate is improved, meanwhile, the conveying time of the workpiece in the soaking, cleaning and drying processes is greatly shortened, the working efficiency is improved, and the production speed of an enterprise is favorably improved.

(2) According to the surface treatment method for the non-ferrous metal workpiece, the placing frame in the soaking system is driven by the second electric push rod, so that the placing opening can be lifted upwards and is inclined, the workpiece can be prevented from falling off in the treatment process, the reliability is improved, and the second electric push rod can push the discharging opening of the placing frame to incline downwards during discharging, so that discharging is facilitated.

(3) According to the surface treatment method for the non-ferrous metal workpiece, the soaking system works through the second motor, the stirring blades are driven to rotate, the treating agent in the soaking pool can be stirred, the treating agent is prevented from precipitating in the soaking process, the soaking effect is improved, and therefore the production quality of products is improved.

(4) According to the surface treatment method for the non-ferrous metal workpiece, the electric heating wires and the fans are arranged at the front and the rear of the drying frame of the soaking system, and the workpiece is dried in all directions by blowing and heating, so that the drying speed is increased, and the working efficiency is further improved.

(5) According to the surface treatment method for the non-ferrous metal workpiece, the cleaning pool in the soaking system is fixedly connected with one side, opposite to the drying frame, of the soaking system, the workpiece directly enters the drying frame after being cleaned, water can be prevented from dropping on a bottom plate or the ground to pollute the working environment, and the practicability is further improved.

Drawings

FIG. 1 is a process flow diagram of the present invention;

FIG. 2 is a perspective view of the present invention;

FIG. 3 is a front cross-sectional view of the present invention;

FIG. 4 is a rear cross-sectional view of the present invention;

FIG. 5 is a side cross-sectional view of the present invention;

FIG. 6 is a perspective view of the storage assembly of the present invention;

FIG. 7 is a perspective view of a stop block of the present invention;

FIG. 8 is a perspective view of a partial structure of the transfer mechanism of the present invention;

FIG. 9 is a top view of the first sprocket, the second sprocket and the chain of the present invention;

FIG. 10 is a perspective view of the drying assembly of the present invention;

figure 11 is a top cross-sectional view of the frame of the invention.

In the figure, 1 a bottom plate, 2 soaking components, 21 a soaking pool, 22 a liquid discharge pipe, 23 a second motor, 24 a rotating rod, 25 a stirring blade, 3 supporting legs, 4 a shell, 5 a driving mechanism, 51 a first motor, 52 a driving rod, 53 a driven rod, 54 a first chain wheel, 55 chains, 56 a fixing plate, 57 a sliding rail, 58 a first electric push rod, 59 a connecting plate, 510 a guide rod, 511 a limiting rod, 512 a second chain wheel, 6 a supporting frame, 7a cleaning component, 71 a cleaning pool, 72 a water pump, 73 a first water discharge pipe, 74 a conveying pipe, 8 a drying component, 81, a drying frame, 82 a second water discharge pipe, 83 a fixing frame, 84 an electric heating wire, 85 a fan, 9 a placing component, 91 a limiting plate, 92 a second electric push rod, 93 a placing frame, 94 a limiting frame, 95 a limiting groove, 96 a movable rod and 10 a.

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. 1-9, an embodiment of the present invention provides a technical solution: a surface treatment method for a non-ferrous metal workpiece specifically comprises the following steps:

s1, chemically polishing the workpiece to be processed;

s4, polishing the workpiece processed in the step S3;

wherein, the soaking system in step S2, including bottom plate 1 and the soaking subassembly 2 of fixing at bottom plate 1 top, the equal fixedly connected with supporting leg 3 in four corners at bottom plate 1 top to the top fixedly connected with casing 4 of four supporting legs 3, the top fixedly connected with support frame 6 of bottom plate 1, the inside of casing 4 is provided with actuating mechanism 5, the top of bottom plate 1 and the rear that is located soaking subassembly 2 are provided with washing subassembly 7, the top of bottom plate 1 and the left side that is located washing subassembly 7 are provided with stoving subassembly 8.

Wherein, the driving mechanism 5 comprises a first motor 51 fixed on the top of the housing 4, the first motor 51 is a servo motor and is of a model JSF60-15-30-CF-1000, an output end of the first motor 51 is fixedly connected with a driving rod 52, one end of the driving rod 52 far away from the first motor 51 penetrates through the housing 4 and is rotatably connected with the top of the support frame 6 through a bearing, the right side between the top of the inner wall of the housing 4 and the top of the support frame 6 is rotatably connected with a driven rod 53 through a bearing, the surfaces of the driving rod 52 and the driven rod 53 are both fixedly connected with an upper first chain wheel 54 and a lower first chain wheel 54, the first chain wheels 54 positioned on the surfaces of the driving rod 52 and the driven rod 53 and positioned at the same height are in transmission connection through a chain 55, the outer ring of the chain 55 is rotatably connected with a fixing plate 56 through a connecting fastener, and one side of the, the slide rail 57 and the chain 55 are matched with each other to limit and support the fixing plate 56, the bottom of the fixing plate 56 is fixedly connected with a first electric push rod 58, the type of the first electric push rod 58 is ANT-52, the output end of the first electric push rod 58 is fixedly connected with a connecting plate 59, the top of the connecting plate 59 is fixedly connected with a guide rod 510 which is positioned right behind the first electric push rod 58, the guide rod 510 can guide the up-and-down movement of the connecting plate 59 to prevent the deviation in the movement process, the top end of the guide rod 510 penetrates through the fixing plate 56 positioned below and extends to the upper side of the fixing plate, the top end of the guide rod 510 is fixedly connected with a stopper which can prevent the guide rod 510 from being separated from the fixing plate 56, the central position between the top of the inner wall of the shell 4 and the top of the support frame 6 is rotatably connected with a limiting rod 511 through a bearing, the top and the bottom of the surface of the limiting rod, the bottom of the connecting plate 59 is provided with a storage assembly 9.

Referring to fig. 5, 6 and 7, in the embodiment of the present invention, the object placing assembly 9 includes a position-limiting plate 91 and a second electric push rod 92 fixed on two sides of the bottom of the connecting plate 59, the second electric push rod 92 is ANT-35, the electric push rod is also called a linear actuator, and is a novel linear actuator mainly composed of a motor push rod and a control device, the electric push rod is composed of a driving motor, a reduction gear, a screw, a nut, a guide sleeve, a push rod, a slide seat, a spring, a housing, a turbine, a micro control switch, etc., the object placing frame 93 is rotatably connected between two opposite sides of the position-limiting plate 91 through a rotating shaft, the object placing frame 93 is made of stainless steel sheet, the position-limiting frames 94 are fixedly connected to two sides of the object placing frame 93 and located right in front of the position-limiting plate 91, both sides of the inner wall of the position-limiting frame 94 are provided, the output end of the second electric push rod 92 is fixedly connected with the surface of the movable rod 96.

Referring to fig. 3 and 5, in the embodiment of the present invention, the soaking assembly 2 includes a soaking tank 21 fixed on the top of the bottom plate 1 and a second motor 23, the model of the second motor 23 is YE3-112M-2, a partition plate 10 is fixedly connected between the top of the soaking tank 21 and the bottom of the supporting frame 6, the partition plate 10 can prevent the treating fluid in the soaking tank 21 from mixing with the cleaning water in the cleaning tank 71, and the equal fixedly connected with baffle in the front and the back of baffle 10, the front intercommunication of fermentation vat 21 has fluid-discharge tube 22, the inside fixedly connected with solenoid valve of fluid-discharge tube 22, the output fixedly connected with dwang 24 of second motor 23, the one end that second motor 23 was kept away from to dwang 24 runs through the right side of fermentation vat 21 and is connected through bearing rotation with the left side of fermentation vat 21 inner wall through the bearing, the fixed surface of dwang 24 is connected with stirring leaf 25.

Referring to fig. 4 and 5, in the embodiment of the present invention, the cleaning assembly 7 includes a cleaning tank 71 and a water pump 72 fixed on the top of the bottom plate 1, a water inlet of the water pump 72 is communicated with an external water source through a conduit, a bottom of the cleaning tank 71 is communicated with a first drain pipe 73, both the first drain pipe 73 and a second drain pipe 82 are communicated with an external water treatment device, so that waste water generated by cleaning is treated and recycled, a water outlet of the water pump 72 is communicated with a delivery pipe 74, one end of the delivery pipe 74 far away from the water pump 72 penetrates through the cleaning tank 71 and extends into the cleaning tank 71, and a surface of the delivery pipe 74 located inside the cleaning tank 71 is fixedly connected with a spray head.

Referring to fig. 4, 10 and 11, in the embodiment of the present invention, the drying assembly 8 includes a drying frame 81 fixed on the top of the bottom plate 1, the bottom of the drying frame 81 is communicated with a second drain pipe 82, fixing frames 83 are fixedly connected to both the front and the back of the drying frame 81, an electric heating wire 84 is fixedly connected between two sides of the inner wall of the fixing frame 83, and a fan 85 is fixedly connected to a side of the inner wall of the fixing frame 83 away from the drying frame 81.

The specific working process is as follows:

firstly, adding a treating agent solution with a height of two thirds into the soaking pool 21, enabling a water inlet of a water pump 72 to be communicated with an external water source through a pipeline, and closing an electromagnetic valve in a liquid discharge pipe 22;

the feeding process comprises the following steps: a workpiece is placed in the object placing frame 93, the second electric push rod 92 works to drive the movable rod 96 to move in the limiting groove 95 and rotate relative to the limiting groove 95, so that the placing opening of the object placing frame 93 is lifted upwards, and the workpiece is located at a position behind the inner part of the object placing frame 93;

the conveying process comprises the following steps: the first motor 51 works to enable the driving rod 52 to drive the first chain wheel 54 on the surface to rotate, and further drive the first chain wheel 54 on the surface of the driven rod 53 to rotate through the transmission of the chain 55, so that the chain 55 drives the fixing plate 56 to move, and further drive the article placing assembly 9 to move through the first electric push rod 58 to convey the workpiece;

the soaking process comprises the following steps: when the object placing component 9 with the workpiece is moved to the position above the soaking pool 21, the first electric push rod 58 works to push the connecting plate 59 to move downwards, so that the object placing component 9 is driven to move downwards, the placing frame is made to move downwards to the treating agent solution in the soaking pool 21, the workpiece is soaked, the object placing component 9 is conveyed forwards continuously, when the object placing component 9 moves from one end of the soaking pool 21 to the other end, the soaking is finished, and at the moment, the first electric push rod 58 contracts to drive the object placing component 9 to return to the initial position;

and (3) cleaning: the soaked workpieces continue to move under the driving of the driving mechanism 5, when the workpieces move to the position above the cleaning pool 71, the first electric push rod 58 extends to push the object placing assembly 9 downwards to enable the object placing assembly to move into the cleaning pool 71, meanwhile, the water pump 72 works to pump water of an external water source into the conveying pipe 74 and spray the water on the surfaces of the workpieces through the spray heads, the workpieces are cleaned to remove residual treating agent solution on the surfaces, when the object placing assembly 9 moves from one end of the cleaning pool 71 to the other end, the cleaning work is finished, at the moment, the first electric push rod 58 contracts to drive the object placing assembly 9 to return to the initial position, and waste liquid for washing the workpieces falls into the cleaning pool 71 and enters external treatment equipment through the first water discharge pipe 73 to recycle the water resource;

and (3) drying: the cleaned workpiece is driven by the driving mechanism 5 to move into the drying frame 81, the electric heating wire 84 is used for heating, meanwhile, the fan 85 is used for blowing air to dry the workpiece, and water dripping in the drying process is discharged out of the drying frame 81 through the second water discharge pipe 82;

blanking: the dried workpiece moves to the initial discharging position along with the placing component 9 under the driving of the driving mechanism 5, at this time, the second electric push rod 92 extends to push the discharging opening of the placing frame 93 to rotate downwards, so that the discharging opening is inclined downwards, the workpiece can slide down from the inside of the placing frame 93, and discharging is completed; after all put thing subassembly 9 along the delivery track motion a week, first motor 51 antiport drives through actuating mechanism 5 and puts thing subassembly 9 motion and carry out reset work, prevents that the winding of circular telegram wire from knoing.

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. A surface treatment method for a non-ferrous metal workpiece is characterized by comprising the following steps: the method specifically comprises the following steps:

s1, chemically polishing the workpiece to be processed;

s4, polishing the workpiece processed in the step S3;

the soaking system in the step S2 comprises a bottom plate (1) and a soaking assembly (2) fixed at the top of the bottom plate (1), wherein four corners of the top of the bottom plate (1) are fixedly connected with supporting legs (3), the top ends of the four supporting legs (3) are fixedly connected with a shell (4), the top of the bottom plate (1) is fixedly connected with a supporting frame (6), a driving mechanism (5) is arranged inside the shell (4), a cleaning assembly (7) is arranged at the top of the bottom plate (1) and behind the soaking assembly (2), and a drying assembly (8) is arranged at the top of the bottom plate (1) and on the left side of the cleaning assembly (7);

the driving mechanism (5) comprises a first motor (51) fixed at the top of the shell (4), the output end of the first motor (51) is fixedly connected with a driving rod (52), one end, far away from the first motor (51), of the driving rod (52) penetrates through the shell (4) and is rotatably connected with the top of the support frame (6) through a bearing, the right side between the top of the inner wall of the shell (4) and the top of the support frame (6) is rotatably connected with a driven rod (53) through a bearing, the surfaces of the driving rod (52) and the driven rod (53) are fixedly connected with an upper first chain wheel (54) and a lower first chain wheel (54), the surfaces of the driving rod (52) and the driven rod (53) are connected with the first chain wheels (54) at the same height through a chain (55) in a transmission manner, the outer ring of the chain (55) is rotatably connected with a fixing plate, and one side of the fixing plate (56) far away from the chain (55) is in sliding connection with the inner wall of the shell (4) through a sliding rail (57), the bottom of the fixing plate (56) is fixedly connected with a first electric push rod (58), the output end of the first electric push rod (58) is fixedly connected with a connecting plate (59), and the bottom of the connecting plate (59) is provided with an article placing assembly (9).

2. A surface treatment method for a non-ferrous metal workpiece as set forth in claim 1, characterized in that: put thing subassembly (9) including fixing limiting plate (91) and second electric putter (92) in connecting plate (59) bottom both sides, two it has thing frame (93) to put through the axis of rotation connection between one side that limiting plate (91) is relative, put the both sides of thing frame (93) and be located the spacing frame (94) of dead ahead fixedly connected with of limiting plate (91), spacing groove (95) have all been seted up to the both sides of spacing frame (94) inner wall to sliding connection has movable rod (96) between two spacing grooves (95), the output of second electric putter (92) is connected with the fixed surface of movable rod (96).

3. A surface treatment method for a non-ferrous metal workpiece as set forth in claim 1, characterized in that: soaking component (2) is including fixing soaking pond (21) and second motor (23) at bottom plate (1) top, the front intercommunication of soaking pond (21) has fluid-discharge tube (22), the output end fixedly connected with dwang (24) of second motor (23), the one end that second motor (23) were kept away from in dwang (24) runs through the right side of soaking pond (21) and passes through the bearing and be connected through the bearing rotation with the left side of soaking pond (21) inner wall, the fixed surface of dwang (24) is connected with stirring leaf (25).

4. A surface treatment method for a non-ferrous metal workpiece as set forth in claim 1, characterized in that: wash subassembly (7) including fixing washing pond (71) and water pump (72) at bottom plate (1) top, wash pond (71), the bottom intercommunication have first drain pipe (73), the delivery port intercommunication of water pump (72) has conveyer pipe (74), the one end that water pump (72) were kept away from in conveyer pipe (74) runs through washing pond (71) and extends to the inside of washing pond (71), conveyer pipe (74) are located the fixed surface who washs pond (71) inside and are connected with the shower nozzle.

5. A surface treatment method for a non-ferrous metal workpiece as set forth in claim 1, characterized in that: drying assembly (8) are including fixing stoving frame (81) at bottom plate (1) top, the bottom intercommunication of stoving frame (81) has second drain pipe (82) to the fixed frame (83) of the equal fixedly connected with in the front and the back of stoving frame (81), fixedly connected with electric heating wire (84) between the both sides of fixed frame (83) inner wall to one side fixedly connected with fan (85) of stoving frame (81) are kept away from to the inner wall of fixed frame (83).

6. A surface treatment method for a non-ferrous metal workpiece as set forth in claim 3, characterized in that: fixedly connected with baffle (10) between the top of fermentation vat (21) and the bottom of support frame (6) to the equal fixedly connected with baffle in front and the back of baffle (10).

7. A surface treatment method for a non-ferrous metal workpiece as set forth in claim 1, characterized in that: the top of the connecting plate (59) is located right behind the first electric push rod (58) and is fixedly connected with a guide rod (510), the top end of the guide rod (510) penetrates through the fixing plate (56) located below and extends to the upper portion of the guide rod, and the top end of the guide rod (510) is fixedly connected with a stop block.

8. A surface treatment method for a non-ferrous metal workpiece as set forth in claim 1, characterized in that: the top of casing (4) inner wall and the central point between support frame (6) top put and be connected with gag lever post (511) through the bearing rotation, the equal fixedly connected with in top and the bottom on gag lever post (511) surface and first sprocket (54) engaged with second sprocket (512).

9. A surface treatment method for a non-ferrous metal workpiece as set forth in claim 2, characterized in that: the storage frame (93) is made of stainless steel mesh.