阅读说明：本技术 一种塑料电镀件表面处理溶剂及处理方法 (Plastic electroplated part surface treatment solvent and treatment method ) 是由 盛夕军 于 2021-06-18 设计创作，主要内容包括：一种塑料电镀件表面处理溶剂,包括以下质量百分比的原料：阴离子表面活性剂80％,甲醛2％,去离子水18％。本发明的塑料电镀件表面处理溶剂结构稳定,在水中具有很好的溶解性,润湿分散性能良好,可以很好地减少塑料电镀件表面的白点。(A surface treatment solvent for a plastic electroplated part comprises the following raw materials in percentage by mass: 80% of anionic surfactant, 2% of formaldehyde and 18% of deionized water. The surface treatment solvent for the plastic electroplated part has a stable structure, good solubility in water, good wetting and dispersing properties, and can well reduce white spots on the surface of the plastic electroplated part.)

1. The surface treatment solvent for the plastic electroplated part is characterized by comprising the following raw materials in percentage by mass: 80% of anionic surfactant, 2% of formaldehyde and 18% of deionized water.

2. The solvent for surface treatment of plastic plated article according to claim 1, wherein: the anionic surfactant is sodium dodecyl sulfate.

3. The method for treating a surface treatment solvent for a plastic plated article according to claim 2, comprising the steps of:

step S1: preparation of surface treatment solvent

Firstly, weighing each component according to the mass percentage of 80 percent of lauryl sodium sulfate, 2 percent of formaldehyde and 18 percent of deionized water to complete the batching; then, the three raw materials are sequentially put into a reaction kettle and uniformly stirred for 1 hour at normal temperature to obtain the surface treatment solvent;

step S2: surface wiping of plastic plated parts

Firstly, the surface treatment solvent prepared in the step S1 is subpackaged in a plurality of barrel-shaped glass containers, the glass containers filled with the surface treatment solvent are placed beside a wiping assembly line, then, one hand is used for manually grabbing the plastic electroplated part, the other hand is used for grabbing medical grade gauze which is soaked with the surface treatment solvent in the corresponding glass container in front of the plastic electroplated part, and the medical grade gauze is uniformly wiped back and forth along the shape of the plastic electroplated part to obtain the plastic electroplated part with white spots eliminated on the surface;

step S3: circulating feeding of assembly line

Firstly, the plastic plated parts obtained in the step S2 are placed into the trays (3) above the wiping assembly line one by one, the trays (3) are conveyed from the starting end to the final end of the wiping assembly line one by one at intervals, then the plastic plated parts in the trays (3) are manually grabbed and placed on a conveying line of the next process at the final end of the wiping assembly line for nanometer spraying treatment, and the empty trays (3) are circularly conveyed from the final end of the wiping assembly line to the starting end of the wiping assembly line for reloading.

4. A method for treating a surface treatment solvent for a plastic plated item according to claim 3, wherein the wiping line comprises:

the transverse moving mechanism (1) is of a double-layer structure, the transverse moving mechanism (1) comprises two first support frames (11) which are vertically arranged oppositely, the first support frames (11) are of an H-shaped structure, and conveying assemblies (12) are respectively arranged between the two first support frames (11) in an up-down horizontal opposite mode; a plurality of trays (3) are arranged on the conveying assembly (12) at intervals.

Elevating system (2), sideslip mechanism (1) both ends are the clearance symmetry respectively and are provided with elevating system (2), elevating system (2) include two vertical relative second support frames (21) that set up, second support frame (21) are door-shaped structure, two the level is provided with connecting rod (211) relatively from top to bottom respectively between the vertical portion of second support frame (21), vertical symmetry is provided with respectively on the vertical portion medial surface of second support frame (21) and indulges and move subassembly (22), four it is provided with material receiving component (23) to indulge the linkage of level between moving subassembly (22), material receiving component (23) are used for accepting conveying subassembly (12) conveying tray (3), material receiving component (23) are through four indulge and move subassembly (22) and realize vertical positioning movement.

5. The method for processing the solvent for the surface treatment of the plastic electroplated parts as claimed in claim 4, characterized in that the conveying assembly (12) comprises first transmission roller shafts (121), first conveying belts (122) and first motors (123), two of the first transmission roller shafts (121) are respectively connected with the corresponding vertical parts of the first supporting frames (11) in a circumferential rotation mode, the first conveying belts (122) matched with the two first transmission roller shafts (121) are sleeved on the two first transmission roller shafts (121), and the first motors (123) are connected with one of the first transmission roller shafts (121) in an axial transmission mode.

6. The processing method of the plastic electroplated part surface treatment solvent as claimed in claim 4, characterized in that the longitudinal movement assembly (22) comprises a bearing table (221), a screw rod (222), a sliding table (223) and a second motor (224), the bearing table (221) is oppositely arranged on the inner side of the vertical part of the second support frame (21) from top to bottom, the screw rod (222) is vertically and rotatably connected between the two bearing tables (221), the second motor (224) is axially connected to the top end of the screw rod (222), the sliding table (223) is axially and spirally connected to the screw rod (222), and the inner side surface of the sliding table (223) is fixedly connected with the material receiving assembly (23).

7. The method for treating a surface treatment solvent for a plastic plated article according to claim 6, the material receiving assembly (23) is characterized by comprising supporting rods (231), mounting blocks (232), second transmission roller shafts (233), second conveying belts (234) and a third motor (235), wherein the supporting rods (231) are respectively and symmetrically arranged on the inner side surfaces of the four sliding tables (223) in a perpendicular mode, the end portions of the supporting rods (231) are respectively and fixedly connected with the mounting blocks (232), the adjacent mounting blocks (232) on the same end side are respectively and circumferentially and rotatably connected with the second transmission roller shafts (233), the two second transmission roller shafts (233) are sleeved with the second conveying belts (234) matched with the second transmission roller shafts, the third motor (235) is in axial transmission connection with one of the second transmission roller shafts (233).

Technical Field

The invention belongs to the technical field of surface treatment of plastic electroplated parts, and particularly relates to a surface treatment solvent and a surface treatment method for a plastic electroplated part.

Background

Electroplating is a process of attaching a metal film to the surface of a metal or other material article by electrolysis. Electroplating can make plastics have metal-like corrosion resistance (the plating metal is more corrosion-resistant metal), increase hardness, prevent abrasion, improve conductivity, smoothness, heat resistance and beautiful surface;

the nano-spraying adopts special equipment and advanced materials, applies chemical principles and adopts a direct spraying mode to enable the surface of the coated object to have various mirror surface highlight effects such as cash, silver, chromium, various colors (red yellow, purple, green and blue) and the like; the nano-spraying is a process of spraying a silver-ammonia solution (silver nitrate and ammonia water) on the surface of a workpiece by using a spray gun in silver mirror reaction; spraying silver, and adding appropriate color concentrate to form different colors when coating a surface protection solvent; the nano spraying can improve the adhesive force, impact resistance, corrosion resistance, weather resistance, wear resistance and scratch resistance of products, has good antirust performance, is generally used for surface treatment of precision products such as large automobile manufacturers and large electrical appliance manufacturers at home and abroad, can also be used for spraying of surface decoration, protection and the like in other industries, has simple process, environmental protection and wide application, and is a high and new surface treatment technology;

in the prior art, some manufacturers can decorate the surface of an automobile plastic product by adopting a mode of combining electroplating and nano spraying; however, the dust content in the electroplating workshop is high, and the electroplating solution becomes dirty, so that the surface of the plastic electroplated part shows a plurality of white spots after electroplating; these white spots interfere with the subsequent nano-plating operation of the plastic plated part, and affect the quality of the product.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a surface treatment solvent and a treatment method for a plastic electroplated part, and the specific technical scheme is as follows:

a surface treatment solvent for a plastic electroplated part comprises the following raw materials in percentage by mass: 80% of anionic surfactant, 2% of formaldehyde and 18% of deionized water.

Further, the anionic surfactant is sodium lauryl sulfate.

A method for treating a surface treatment solvent for a plastic plated part, comprising the steps of:

step S1: preparation of surface treatment solvent

Firstly, weighing each component according to the mass percentage of 80 percent of lauryl sodium sulfate, 2 percent of formaldehyde and 18 percent of deionized water to complete the batching; then, the three raw materials are sequentially put into a reaction kettle and uniformly stirred for 1 hour at normal temperature to obtain the surface treatment solvent;

step S2: surface wiping of plastic plated parts

Firstly, the surface treatment solvent prepared in the step S1 is subpackaged in a plurality of barrel-shaped glass containers, the glass containers filled with the surface treatment solvent are placed beside a wiping assembly line, then, one hand is used for manually grabbing the plastic electroplated part, the other hand is used for grabbing medical grade gauze which is soaked with the surface treatment solvent in the corresponding glass container in front of the plastic electroplated part, and the medical grade gauze is uniformly wiped back and forth along the shape of the plastic electroplated part to obtain the plastic electroplated part with white spots eliminated on the surface;

step S3: circulating feeding of assembly line

First, the plastic plated items obtained in step S2 are placed one by one in trays above the wiping line, the trays are transported from the start end to the end of the wiping line at intervals, and then, the plastic plated items in the trays are manually picked up and placed on a transport line of the next process at the end of the wiping line to be subjected to a nano-plating process, and the empty trays are cyclically transported from the end of the wiping line to the start end of the wiping line and refilled.

Further, the wiping line comprises:

the transverse moving mechanism is of a double-layer structure and comprises two first support frames which are vertically arranged oppositely, the first support frames are of an H-shaped structure, and conveying assemblies are respectively arranged between the two first support frames in an up-down horizontal opposite mode; a plurality of trays are arranged on the conveying assembly at intervals.

Elevating system, sideslip mechanism both ends are provided with respectively the clearance symmetry elevating system, elevating system includes the second support frame of two vertical relative settings, the second support frame is door-shaped structure, two the level is provided with the connecting rod relatively about respectively between the vertical portion of second support frame, vertical symmetry is provided with respectively on the vertical portion medial surface of second support frame and indulges the subassembly that moves, four indulge to move between the subassembly horizontal linkage be provided with and connect the material subassembly, it is used for accepting to connect the material subassembly the conveying of conveying component the tray, connect the material subassembly through four indulge to move the subassembly and realize vertical location and remove.

Further, conveying component includes first drive roller axle, first conveyor belt and first motor, two first drive roller axle respectively with correspond circumferential direction connects, two between the vertical portion of first support frame the cover is equipped with it looks adaptation on the first drive roller axle first conveyor belt, first motor and one of them first drive roller axle axial transmission is connected.

Further, indulge and move the subassembly and include bearing platform, lead screw, slip table and second motor, the vertical portion inboard of second support frame is provided with from top to bottom relatively the bearing platform, two vertical rotation is connected with between the bearing platform the lead screw, lead screw top axial connection has the second motor, axial spiro union has on the lead screw the slip table, the medial surface of slip table with connect material subassembly fixed connection.

Further, connect the material subassembly to include bracing piece, installation piece, second driving roller axle, second conveyer belt and third motor, four the medial surface of slip table perpendicular symmetry respectively is provided with the bracing piece, every the tip of bracing piece fixedly connected with respectively the installation piece is in same distolateral adjacent respectively between the installation piece circumferential direction is connected with second driving roller axle, two the cover is equipped with its looks adaptation on the second driving roller axle second conveyer belt, third motor and one of them second driving roller axle axial drive is connected.

The invention has the beneficial effects that:

the surface treatment solvent for the plastic electroplated part has a stable structure, has good solubility in water and good wetting and dispersing properties, and can well reduce white spots on the surface of the plastic electroplated part;

the sodium dodecyl sulfate added in the components has the functions of emulsification, decontamination, dispersion, wetting, foaming and the like, can quickly remove dirt on the surface of the plastic electroplated part, and effectively eliminates white spots of the plastic electroplated part;

in the invention, the pH value of the sodium dodecyl sulfate is 7.5-9.5, and the formaldehyde has strong reducibility in the alkaline environment, so that the sodium dodecyl sulfate can be used for assisting in reducing silver nitrate in nano spraying, and the specular highlight effect of the plastic electroplated part after nano spraying can be effectively improved.

Drawings

FIG. 1 is a block diagram showing a flow of a method for treating a surface treatment solvent for a plastic plated article according to the present invention;

FIG. 2 shows a schematic diagram of a wiping line in the present invention;

FIG. 3 is a front view of the structure of the traversing mechanism according to the present invention;

FIG. 4 is a side view showing the structure of the traversing mechanism according to the present invention;

FIG. 5 is a front view showing the construction of the lifting mechanism of the present invention;

fig. 6 shows a schematic structural view of the receiving assembly of the invention;

fig. 7 shows a structural side view of the lifting mechanism of the present invention.

Shown in the figure: 1. a traversing mechanism; 11. a first support frame; 12. a delivery assembly; 121. a first drive roller shaft; 122. a first conveyor belt; 123. a first motor; 2. a lifting mechanism; 21. a second support frame; 211. a connecting rod; 22. a longitudinal movement component; 221. a bearing table; 222. a screw rod; 223. a sliding table; 224. a second motor; 23. a material receiving assembly; 231. a support bar; 232. mounting blocks; 233. a second drive roller shaft; 234. a second conveyor belt; 235. a third motor; 3. a tray.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

A surface treatment solvent for a plastic electroplated part comprises the following raw materials in percentage by mass: 80% of anionic surfactant, 2% of formaldehyde and 18% of deionized water.

Wherein the anionic surfactant is sodium dodecyl sulfate.

By adopting the technical scheme, the surface treatment solvent for the plastic electroplated part has a stable structure, good solubility in water, good wetting and dispersing properties, and can well reduce white spots on the surface of the plastic electroplated part; the sodium dodecyl sulfate added in the components has the functions of emulsification, decontamination, dispersion, wetting, foaming and the like, can quickly remove dirt on the surface of the plastic electroplated part, and effectively eliminates white spots of the plastic electroplated part; because the PH of the sodium dodecyl sulfate is between 7.5 and 9.5, and the formaldehyde has strong reducibility in the alkaline environment, the silver nitrate can be reduced in the nano spraying process in an auxiliary way, and the specular highlight effect of the plastic electroplated part after the nano spraying can be effectively improved.

As shown in fig. 1, a method for treating a surface treatment solvent for a plastic plated article, the method comprising the steps of:

step S1: preparation of surface treatment solvent

Firstly, weighing each component according to the mass percentage of 80 percent of lauryl sodium sulfate, 2 percent of formaldehyde and 18 percent of deionized water to complete the batching; then, the three raw materials are sequentially put into a reaction kettle and uniformly stirred for 1 hour at normal temperature to obtain the surface treatment solvent;

step S2: surface wiping of plastic plated parts

Firstly, the surface treatment solvent prepared in the step S1 is subpackaged in a plurality of barrel-shaped glass containers, the glass containers filled with the surface treatment solvent are placed beside a wiping assembly line, then, one hand is used for manually grabbing the plastic electroplated part, the other hand is used for grabbing medical grade gauze which is soaked with the surface treatment solvent in the corresponding glass container in front of the plastic electroplated part, and the medical grade gauze is uniformly wiped back and forth along the shape of the plastic electroplated part to obtain the plastic electroplated part with white spots eliminated on the surface;

step S3: circulating feeding of assembly line

First, the plastic plated items obtained in step S2 are placed one by one in the tray 3 above the wiping line, the tray 3 is transported from the start end to the end of the wiping line one by one at intervals, and then the plastic plated items in the tray 3 are manually picked up and placed on the transport line of the next process at the end of the wiping line to be subjected to the nano-plating process, and the empty tray 3 is cyclically transported from the end of the wiping line to the start end of the wiping line and refilled.

By adopting the technical scheme, the manual wiping is beneficial to adapting to plastic electroplated parts with different shapes and structures; the arranged wiping assembly line can dry the residual surface treatment solvent on the surface of the plastic electroplated part when the tray 3 is conveyed from the starting end to the terminal end, so that the nano spraying of the next procedure is facilitated; in addition, the wiping assembly line adopts a circulating design, the empty tray 3 can automatically return to the starting end, the labor can be saved, and the production efficiency is improved.

As shown in fig. 2 to 7, the wiping line includes:

the transverse moving mechanism 1 is of a double-layer structure, the transverse moving mechanism 1 comprises two first support frames 11 which are vertically arranged oppositely, the first support frames 11 are of an H-shaped structure, and conveying assemblies 12 are respectively arranged between the two first support frames 11 in an up-down horizontal opposite mode; a plurality of trays 3 are arranged on the conveying assembly 12 at intervals.

Elevating system 2, 1 both ends difference clearance symmetry of sideslip mechanism is provided with elevating system 2, elevating system 2 includes two vertical relative second support frames 21 that set up, second support frame 21 is door-shaped structure, two the level is provided with connecting rod 211 relatively from top to bottom respectively between the vertical portion of second support frame 21, vertical symmetry is provided with respectively on the vertical portion medial surface of second support frame 21 and indulges to move subassembly 22, four it is provided with material receiving assembly 23 to indulge the horizontal linkage between the subassembly 22 to move, material receiving assembly 23 is used for accepting the conveying of conveying assembly 12 tray 3, material receiving assembly 23 is through four indulge to move subassembly 22 and realize vertical location and remove.

By adopting the technical scheme, the double-layer type transverse moving mechanism 1 is matched with the lifting mechanisms 2 at two ends of the double-layer type transverse moving mechanism to form a closed cycle, the tray 3 is slowly conveyed to the tail end of the whole assembly line through the upper conveying component 12 at a constant speed, after plastic electroplated parts in the tray 3 are manually grabbed, the empty tray 3 is conveyed to the material receiving component 23 of the lifting mechanism 2, then the material receiving component 23 is driven by the longitudinal moving component 22 to move downwards to be level with the lower conveying component 12, then the material receiving component 23 conveys the empty tray 3 to the lower conveying component 12, the empty tray 3 is conveyed to the material receiving component 23 of the lifting mechanism 2 at the starting end by the lower conveying component 12, then the material receiving component 22 drives the material receiving component 23 to move upwards to be level with the upper conveying component 12, then the material receiving component 23 conveys the empty tray 3 to the upper conveying component 12, thus completing a cycle and recharging.

As shown in fig. 3, the conveying assembly 12 includes a first transmission roller shaft 121, a first conveying belt 122 and a first motor 123, two of the first transmission roller shafts 121 are respectively connected with the corresponding vertical portions of the first support frame 11 in a circumferential rotation manner, the first conveying belt 122 adapted to the two of the first transmission roller shafts 121 is sleeved on the two of the first transmission roller shafts 121, and the first motor 123 is connected with one of the first transmission roller shafts 121 in an axial transmission manner.

By adopting the technical scheme, the conveying assembly 12 adopts a belt type conveying mode, so that the installation and the maintenance are convenient; the wiping worker can be separated from the two sides of the conveying component 12, and the operation is convenient.

As shown in fig. 5, the longitudinal moving assembly 22 includes a bearing table 221, a screw rod 222, a sliding table 223 and a second motor 224, the bearing table 221 is disposed on the inner side of the vertical portion of the second support frame 21, two of the bearing tables 221 are vertically and rotatably connected to the screw rod 222, the second motor 224 is axially connected to the top end of the screw rod 222, the sliding table 223 is axially screwed on the screw rod 222, and the inner side surface of the sliding table 223 is fixedly connected to the material receiving assembly 23.

By adopting the above technical scheme, the second motor 224 drives the screw rod 222 to perform rotary motion, and the sliding table 223 performs linear lifting movement through the screw rod 222, so as to drive the material receiving assembly 23 connected with the sliding table 223 to realize longitudinal positioning movement.

As shown in fig. 6, the material receiving assembly 23 includes a support rod 231, an installation block 232, a second transmission roller shaft 233, a second conveying belt 234 and a third motor 235, four the inner side surface of the sliding table 223 is respectively and symmetrically provided with the support rod 231, every the end part of the support rod 231 is respectively and fixedly connected with the installation block 232, which is adjacent to the same end side, the installation block 232 is connected with the second transmission roller shaft 233, two through circumferential rotation respectively, the second transmission roller shaft 233 is sleeved with the second conveying belt 234 matched with the second transmission roller shaft, and the third motor 235 is connected with one of the second transmission roller shaft 233 in an axial transmission manner.

By adopting the technical scheme, the material receiving assembly 23 adopts a belt type transmission mode, so that the tray 3 conveyed from the conveying assembly 12 can be conveniently received; when the first conveying belt 122 conveys the tray 3 to the material receiving assembly 23, the second conveying belt 234 of the material receiving assembly 23 starts transmission at the same time so as to receive the tray 3, when the tray 3 is completely conveyed onto the second conveying belt 234, the transmission of the second conveying belt 24 can be stopped, and then the material receiving assembly 23 can perform lifting movement along with the sliding table 223.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.