CN-116511146-B - Copper foil surface cleaning equipment and method

CN116511146BCN 116511146 BCN116511146 BCN 116511146BCN-116511146-B

Abstract

The invention relates to the technical field of copper foil production, in particular to copper foil surface cleaning equipment and a method, which comprise a base, the base is provided with a feeding roller, a first horizontal feeding roller, a pretreatment component, a surface polishing and grinding component, a water flushing component, a second horizontal feeding roller, a drying component and a receiving roller in sequence along the copper foil conveying direction. According to the invention, through chemical cleaning and polishing and grinding cleaning of the surface polishing and grinding assembly, impurities which do not participate in chemical reaction on the surface of the copper foil can be effectively cleaned, and the quality of the copper foil is greatly improved.

Inventors

ZOU HUIJUAN
YE JINGMIN
WEN QIUXIA
ZHU CHUNQING
ZHANG YAOWEN
LI ZHAOHUI
HOU YINGLE

Assignees

广东嘉元科技股份有限公司

Dates

Publication Date: 20260508
Application Date: 20230516

Claims (4)

1. The copper foil surface cleaning equipment is characterized by comprising a base (1), wherein a feeding roller (28), a first horizontal feeding roller (29), a pretreatment component, a surface polishing component, a water flushing component, a second horizontal feeding roller (35), a drying component and a material receiving roller (38) are sequentially arranged on the base (1) along the copper foil conveying direction, the surface polishing component comprises a first box body (11), a tensioning component is arranged in the first box body (11), a polishing and flushing part is arranged right above the tensioning component, the top of the polishing and flushing part is fixedly connected with the inner wall of the top of the first box body (11), a blowing component is communicated with the polishing and flushing part, the bottom of the blowing component is fixedly connected with the top of the first box body (11), and the first box body (11) is communicated with the blowing component; The pretreatment assembly comprises a pretreatment tank (2), wherein the tops of the left side wall and the right side wall in the pretreatment tank (2) are respectively and rotatably connected with a second feeding roller (30), the bottom of the pretreatment tank (2) is rotatably connected with a third feeding roller (31), the third feeding roller (31) is positioned between the two second feeding rollers (30), chemical washing liquid is filled in the pretreatment tank (2), and the third feeding roller (31) is immersed in the chemical washing liquid; the tensioning assembly comprises a supporting plate (10), the supporting plate (10) is positioned under the polishing and flushing part, two ends of the supporting plate (10) are rotatably connected with supporting rollers (9), the edge parts of the supporting rollers (9) are tangent to the top surface of the supporting plate (10), sliding rods (7) are symmetrically and fixedly connected to the bottom of the supporting plate (10), the sliding rods (7) are vertically and slidingly connected with the base (1), springs (8) are sleeved outside the sliding rods (7), one ends of the springs (8) are in butt joint with the bottom of the supporting plate (10), the other ends of the springs (8) are in butt joint with the top of the base (1), and a pressing assembly is arranged on the outer side of the supporting plate (10); The polishing and flushing part comprises a platform (18), a polishing roller (19) is rotationally connected to the center of the bottom of the platform (18), the polishing roller (19) is located right above the bearing plate (10), air knives (20) symmetrically arranged are arranged on two sides of the polishing roller (19), the middle of each air knife (20) is rotationally connected with the platform (18), one end of each air knife (20), far away from the polishing roller (19), is rotationally connected with one end of a second telescopic rod (21), the other end of each second telescopic rod (21) is rotationally connected with the corresponding platform (18), each air knife (20) is communicated with an air outlet of the corresponding air blowing assembly, one end of a first telescopic rod (17) is fixedly connected to the center of the top of the corresponding platform (18), and the other end of each first telescopic rod (17) is fixedly connected with the inner side of the top of the corresponding first box body (11). The pressing assembly comprises a sliding plate (5), the sliding plate (5) is in sliding connection with the base (1), two sides of the top of the sliding plate (5) are symmetrically and rotationally connected with pressing rollers (6), two pressing rollers (6) are positioned on two sides of the bearing plate (10), a gap is formed between each pressing roller (6) and each supporting roller (9), two supporting rollers (9) are positioned between the two pressing rollers (6), a rack (3) which is vertically arranged is fixedly connected to the center of the bottom of the sliding plate (5), the rack (3) is in sliding connection with the base (1), the rack (3) is meshed with a gear (4), and the gear (4) is rotationally connected to the bottom of the base (1). The method also comprises the following steps: S1, sequentially winding the produced copper foil on the upper surface of the feeding roller (28) and the lower surface of the first horizontal feeding roller (29), and enabling the copper foil to enter the pretreatment assembly through the first horizontal feeding roller (29) to chemically clean the surface of the copper foil; s2, horizontally entering the copper foil subjected to chemical cleaning by the pretreatment component into the surface polishing and grinding component, and polishing and grinding the surface of the copper foil; s3, the copper foil treated by the surface polishing and grinding assembly enters the water flushing assembly for cleaning; s4, the copper foil cleaned by the water jet assembly horizontally enters the drying assembly to be dried under the action of the second horizontal feeding roller (35), and the dried copper foil is wound on the material receiving roller (38).
2. The copper foil surface cleaning equipment according to claim 1, wherein the blowing component comprises a powder collection bin (12), the bottom of the powder collection bin (12) is fixedly connected with the top of the first box body (11), two ends of the powder collection bin (12) are respectively communicated with the interior of the first box body (11), two ends of the powder collection bin (12) are respectively and detachably connected with a filter screen (14), the bottom of the filter screen (14) is communicated with the top of the first box body (11), a rotary cover plate (13) is arranged right above the filter screen (14), and the rotary cover plate (13) is rotationally connected with the top of the powder collection bin (12); The powder collection bin (12) middle part rigid coupling has fan (16), the air intake at fan (16) both ends respectively with two filter screen (14) intercommunication, the one end of air outlet bilateral symmetry rigid coupling baffle (27) of fan (16), the other end of baffle (27) with the powder collection bin (12) inner wall rigid coupling, the air outlet of fan (16), two baffle (27) with the airtight cavity that the powder collection bin (12) inner wall encloses communicates with two air knife (20) middle part through the ventilation pipe.
3. The copper foil surface cleaning device according to claim 1, wherein the water flushing assembly comprises a cleaning tank (22), a fourth feeding roller (32) is rotationally connected to one side of a feeding end at the top of the cleaning tank (22), two symmetrically arranged fifth feeding rollers (33) are rotationally connected to the bottom of the cleaning tank (22), a sixth feeding roller (34) is rotationally connected to one side of a discharging end at the top of the cleaning tank (22), a water pump (23) is fixedly connected to the middle of the cleaning tank (22), the water pump (23) is located between the fourth feeding roller (32) and the two fifth feeding rollers (33), and a water outlet end of the water pump (23) is located on one side close to the fourth feeding roller (32).
4. The copper foil surface cleaning device according to claim 1, wherein the drying assembly comprises a drying box (24), two symmetrically arranged eighth feeding rollers (36) are rotationally connected to the bottom of the drying box (24), two symmetrically arranged ninth feeding rollers (37) are rotationally connected to the middle of the inner side of the drying box (24), the two ninth feeding rollers (37) are located between the two eighth feeding rollers (36), cold air guns (26) are arranged at the tops of the two ninth feeding rollers (37), the cold air guns (26) are rotationally connected with the inner wall of the top of the drying box (24), heating wires (25) are arranged at the bottoms of the two ninth feeding rollers (37), and the heating wires (25) are fixedly connected with the inner wall of the drying box (24).

Description

Copper foil surface cleaning equipment and method Technical Field The invention relates to the technical field of copper foil production, in particular to copper foil surface cleaning equipment and a copper foil surface cleaning method. Background Copper foil is a thin, continuous metal foil deposited on a substrate layer of a circuit board, which can be used as a conductor of a PCB, is easily bonded to an insulating layer, receives a printed protection layer, and forms a circuit pattern after corrosion. In the copper foil processing production process, residual impurities exist on the surface of the copper foil, at present, copper foil cleaning equipment adopts a chemical cleaning and water flushing mode to clean the surface of the copper foil, but the chemical treatment mode can only realize the removal of the impurities dissolved in a chemical solvent, but the impurities which do not participate in chemical reaction on the surface of the copper foil cannot be removed, so that the quality of the copper foil is reduced, and therefore, the need for the copper foil surface cleaning equipment and method is overcome. Disclosure of Invention The invention aims to provide copper foil surface cleaning equipment and a method for solving the problems. In order to achieve the above object, the present invention provides the following solutions: The utility model provides a copper foil surface cleaning equipment, includes the base, be equipped with feed roll, first horizontal feed roll, preprocessing component, surface polishing subassembly, water towards subassembly, second horizontal feed roll, stoving subassembly and receipts material roller on the base in proper order along copper foil direction of delivery, the surface polishing subassembly includes first box, be equipped with tensioning subassembly in the first box, be equipped with polishing portion of blasting above the tensioning subassembly, polishing portion of blasting top with first box top inner wall rigid coupling, polishing portion of blasting intercommunication has the subassembly of blowing, the subassembly bottom of blowing with first box top rigid coupling, first box with the subassembly intercommunication of blowing. Preferably, the pretreatment assembly comprises a pretreatment tank, the tops of the left side wall and the right side wall in the pretreatment tank are respectively and rotatably connected with a second feeding roller, the bottom of the pretreatment tank is rotatably connected with a third feeding roller, the third feeding roller is positioned between the two second feeding rollers, chemical washing liquid is filled in the pretreatment tank, and the third feeding roller is immersed in the chemical washing liquid. Preferably, the tensioning assembly comprises a supporting plate, the supporting plate is located under the polishing and grinding purging part, supporting rollers are rotatably connected to two ends of the supporting plate, edges of the supporting rollers are tangent to the top surface of the supporting plate, sliding rods are symmetrically and fixedly connected to the bottom of the supporting plate, the sliding rods are vertically and slidably connected with the base, springs are sleeved outside the sliding rods, one ends of the springs are abutted to the bottom of the supporting plate, the other ends of the springs are abutted to the top of the base, and pressing assemblies are arranged on the outer sides of the supporting plate. Preferably, the compression assembly comprises a sliding plate, the sliding plate is in sliding connection with the base, compression rollers are symmetrically and rotationally connected to two sides of the top of the sliding plate, the two compression rollers are located on two sides of the bearing plate, a gap is formed between the compression rollers and the supporting rollers, the two supporting rollers are located between the two compression rollers, a rack which is vertically arranged is fixedly connected to the center of the bottom of the sliding plate, the rack is in sliding connection with the base, a gear is meshed with the rack, and the gear is rotationally connected to the bottom of the base. Preferably, the polishing and flushing part comprises a platform, a polishing roller is rotationally connected to the center of the bottom of the platform, the polishing roller is located right above the bearing plate, air knives symmetrically arranged are arranged on two sides of the polishing roller, the middle of each air knife is rotationally connected with the platform, one end of each air knife, which is far away from the polishing roller, is rotationally connected with one end of each second telescopic rod, the other end of each second telescopic rod is rotationally connected with the platform, each air knife is communicated with an air outlet of the corresponding air blowing component, one end of each first telescopic rod is fixedly connected to the center of the top of the platform, and