阅读说明：本技术 一种高性能铜合金带材的研磨工艺 (Grinding process of high-performance copper alloy strip ) 是由 金捷 谯光辉 赵国天 于 2019-10-16 设计创作，主要内容包括：本发明公开了一种高性能铜合金带材的研磨工艺,该工艺基于一种设置有多组研磨装置的高性能铜合金带材研磨生产线,通过一次研磨加工,使铜合金带材得到连续三次研磨处理；同时在多次研磨处理中,根据实际需研磨的铜合金带材,分别采用不同的研磨工艺,在保证研磨生产效率的同时,也充分保证了铜合金带材的表面质量,因此使铜合金带材的表面性能得到充分保证。(The invention discloses a grinding process of a high-performance copper alloy strip, which is based on a high-performance copper alloy strip grinding production line provided with a plurality of groups of grinding devices, and the copper alloy strip is continuously ground for three times through one-time grinding processing; meanwhile, in the multiple grinding treatment, different grinding processes are respectively adopted according to the copper alloy strip to be ground actually, so that the grinding production efficiency is ensured, and meanwhile, the surface quality of the copper alloy strip is fully ensured, so that the surface performance of the copper alloy strip is fully ensured.)

1. A grinding process of a high-performance copper alloy strip is characterized by comprising the following steps: a high-performance copper alloy strip grinding production line is adopted, and comprises an uncoiler (1), a shearing machine A (2), a tape sewing machine (3), an S roller A (4), a grinding device (5), a wringing roller A (8), a leveling machine (9), an S roller B (10), a scrubbing machine (11), a wringing roller B (12), a flushing machine (13), a passivation tank (14), double-row wringing rollers (15), a drying machine (16), an S roller C (17), a shearing machine B (18) and a winding machine (19); the equipment is sequentially aligned and fixedly arranged from left to right according to the central line of the equipment; the grinding devices (5) are provided with a plurality of groups, each group comprises an upper belt surface grinding device and a lower belt surface grinding device, and the upper belt surface grinding device and the lower belt surface grinding device are sequentially aligned and fixedly arranged from left to right according to the central line of the equipment; the upper belt surface grinding device and the lower belt surface grinding device are respectively provided with a grinding belt, a grinding carrier roller or a grinding press roller and a water supply pipe; the water supply pipe is communicated with the grinding fluid; based on a high-performance copper alloy strip grinding production line, the grinding process of the high-performance copper alloy strip comprises the following specific flows:

s1, polishing apparatus parameters, and slurry settings: a plurality of groups of grinding devices (5) respectively set grinding speed (linear speed of a grinding belt) and grinding pressure (pressure of a hydraulic system) according to technological parameter requirements, and grinding fluid prepared according to technological proportioning requirements is placed into the corresponding grinding devices;

s2, threading: arranging a traction belt coiled material on an uncoiler (1); shearing a traction belt head in order by using a shearing machine A (2), then sequentially passing the traction belt head through a belt sewing machine (3), an S roller A (4), a plurality of groups of grinding devices (5), a wringing roller A (8), a leveling machine (9), an S roller B (10), a scrubbing machine (11), a wringing roller B (12), a flushing machine (13), a passivation tank (14), double-row wringing rollers (15), a drying machine (16), an S roller C (17) and a shearing machine B (18), and finally fixing the traction belt head on a winding machine (19); adjusting the central line of the traction belt to align with the middle shaft of the production line; shearing the traction belt by a shearing machine A (2), and adjusting the belt tail position of the traction belt to the belt sewing machine (3) in a slow traction manner; unloading the traction belt coiled material from the uncoiler (1), replacing the copper alloy coiled material, shearing the belt head of the copper alloy coiled material by using a shearing machine A (2) to be orderly, aligning the belt tail of the traction belt with the belt head of the copper alloy coiled material on a belt sewing machine (3), and then fixedly connecting; the head of the copper alloy coiled material is fixed on a winding machine (19) in a slow traction mode, and the feeding of the copper alloy coiled material is stopped;

s3, passivation solution injection in the passivation tank (14): injecting the prepared passivation solution into a passivation tank (14) according to the process requirement, and heating to the temperature set by the process requirement;

s4, online processing: starting a high-performance copper alloy strip grinding production line to automatically run, and supplying grinding fluid to a water supply pipe of a grinding device; the speed of a grinding belt of the grinding device and the feeding speed of the copper alloy coiled material are gradually accelerated to finally meet the process setting requirement, and the copper alloy coiled material enters a normal working state; the temperature of the copper alloy strip after grinding treatment is lower than 40 ℃ when the copper alloy strip is coiled;

s5, finishing production: the speed of a grinding belt of the grinding device and the feeding speed of the copper alloy coiled material are manually adjusted to be gradually reduced to a low speed; the shearing machine B (18) shears the strip tail of the copper alloy coiled material, the winding machine (19) winds the copper alloy coiled material to complete the copper alloy coiled material, and the strip tail of the copper alloy coiled material is fixed by an adhesive tape; switching the grinding fluid supplied by a water supply pipe of the grinding device into industrial purified water, and continuously washing the grinding belt and the grinding carrier roller for 5 minutes; the water supply pipe stops supplying industrial purified water; the speed of the grinding belt is manually adjusted and gradually increased to 1000 m/min, and the grinding belt is stopped after the grinding belt is continuously operated for 30 min.

2. The process for grinding high performance copper alloy strip according to claim 1, wherein: the tail of the traction belt is connected with the head of the copper alloy coiled material in a turnover lap joint mode.

3. The process for grinding the high-performance copper alloy strip according to claim 1, wherein the grinding speed is 1000 ~ 1800 m/min and the grinding pressure is 2 ~ 5 MPa.

4. The process for grinding the high-performance copper alloy strip according to claim 1, wherein the grinding fluid comprises 80 parts by weight of water 80 ~ 90, 20 parts by weight of grinding sand 20 ~ 10 and 800 ~ 2000-mesh alumina.

5. The process for grinding high-performance copper alloy strip according to claim 1, wherein the feeding speed of the copper alloy coil is 15 ~ 20 m/min, and the slow drawing speed of the copper alloy coil is 2 m/min.

6. The process for grinding the high-performance copper alloy strip according to claim 1, wherein the temperature of the passivation solution is 50 ~ 70 ℃.

Technical Field

The invention relates to the technical field of surface treatment production of copper alloy strips, in particular to a grinding process of a high-performance copper alloy strip.

Background

In the actual production process of the copper alloy strip, the requirement on the surface quality of the strip is high, and particularly, the copper alloy strip for the lead support has high requirements on the mechanical property and the surface property of the copper alloy strip; however, in the rolling production process of the copper alloy strip, various defects such as rolling marks, folding, scratching, discoloration, oxidation, dirt and the like exist, and the surface properties such as weldability, wettability, etching processing, welding spot fatigue and the like of the surface of the copper alloy strip are influenced, so that the surface requirements can be met only by carrying out acid washing treatment; the acid washing process is adopted to treat the surface of the copper alloy strip, and the defects of low production efficiency, environmental pollution, black spots, holes, pitted surfaces and the like on the surface of the copper alloy strip exist.

At present, manufacturers try to treat the surface of the copper alloy strip by using a grinding process, but the upper surface and the lower surface of the copper alloy strip are only ground once, so that the grinding production efficiency is low, and the surface quality of the ground copper alloy strip is unstable, so that the surface performance of the copper alloy strip cannot be guaranteed.

Disclosure of Invention

In order to overcome the defects in the background art, the invention discloses a high-performance copper alloy strip grinding process, which is based on a high-performance copper alloy strip grinding production line provided with three groups of grinding devices, and the copper alloy strip is continuously ground for multiple times through one-time grinding processing; meanwhile, in the multiple grinding treatment, different grinding processes are respectively adopted according to the actual copper alloy strip to be ground, so that the grinding production efficiency is ensured, and the surface quality of the copper alloy strip is also fully ensured, thereby fully ensuring the surface performance of the copper alloy strip.

In order to realize the purpose, the invention adopts the following technical scheme: a grinding process of a high-performance copper alloy strip adopts a high-performance copper alloy strip grinding production line, and the production line comprises an uncoiler, a shearing machine A, a strip sewing machine, an S roller A, a first group of grinding devices, a second group of grinding devices, a third group of grinding devices, a wringing roller A, a leveling machine, an S roller B, a scrubbing machine, a wringing roller B, a flushing machine, a passivation tank, double-row wringing rollers, a drying machine, an S roller C, a shearing machine B and a coiling machine; the equipment is sequentially aligned and fixedly arranged from left to right according to the central line of the equipment; the first group of grinding devices, the second group of grinding devices and the third group of grinding devices respectively comprise an upper belt surface grinding device and a lower belt surface grinding device, and the upper belt surface grinding device and the lower belt surface grinding device are fixedly arranged from left to right in sequence and aligned with the center line of the equipment; the upper belt surface grinding device and the lower belt surface grinding device are respectively provided with a grinding belt, a grinding carrier roller or a grinding press roller and a water supply pipe; the water supply pipe is communicated with the grinding fluid; based on a high-performance copper alloy strip grinding processing production line, the grinding process of the high-performance copper alloy strip comprises the following specific flows:

s1, polishing apparatus parameters, and slurry settings: the first group of grinding devices, the second group of grinding devices and the third group of grinding devices respectively set grinding speed (linear speed of a grinding belt) and grinding pressure (pressure of a hydraulic system) according to technological parameter requirements, and technological parameters are set according to copper alloy strips needing to be ground; grinding fluid prepared according to the process proportioning requirement is placed into corresponding grinding devices, the grinding fluid used by each group of grinding devices is determined according to the copper alloy strip to be ground, and the mesh number and the proportion of alumina selected in the grinding fluid are the same or different;

s2, threading: arranging a traction belt coiled material on an uncoiler; shearing a traction belt head in order by using a shearing machine A, then sequentially passing the traction belt head through a belt sewing machine, an S roller A, a first group of grinding devices, a second group of grinding devices, a third group of grinding devices, a squeezing roller A, a leveling machine, an S roller B, a scrubbing machine, a squeezing roller B, a flushing machine, an inactivating tank, double-row squeezing rollers, a drying machine, an S roller C and a shearing machine B, and finally fixing the traction belt head on a winding machine; adjusting the central line of the traction belt to align with the middle shaft of the production line; shearing the traction belt by a shearing machine A, and adjusting the tail position of the traction belt to the belt sewing machine in a slow traction manner; unloading the traction belt coiled material from the uncoiler, replacing the copper alloy coiled material, shearing the belt head of the copper alloy coiled material by using a shearing machine A in order, aligning the belt tail of the traction belt with the belt head of the copper alloy coiled material on a belt sewing machine, and fixedly connecting the belt tail of the traction belt with the belt head of the copper alloy coiled material; the head of the copper alloy coiled material is fixed on a winding machine in a slow traction mode, and the feeding of the copper alloy coiled material is stopped;

s3, injecting passivation solution into the passivation tank: injecting the prepared passivation solution into a passivation tank according to the process requirement, and heating to the temperature set by the process requirement;

s4, online processing: starting a high-performance copper alloy strip grinding production line to automatically run, and supplying grinding fluid to a water supply pipe of a grinding device; the speed of the grinding belts of the three groups of grinding devices and the feeding speed of the copper alloy coiled material are gradually increased to finally meet the process setting requirements, and the copper alloy coiled material enters a normal working state and is normally produced; the temperature of the copper alloy strip after grinding treatment is lower than the temperature set by the process requirement when the copper alloy strip is coiled;

s5, finishing production: manually adjusting the speed of a grinding belt of the grinding device, and reducing the feeding speed of the copper alloy coiled material to be gradually reduced to a low speed; the shearing machine B shears the strip tail of the copper alloy coiled material, the winding machine winds the copper alloy coiled material, and the strip tail of the copper alloy coiled material is fixed by an adhesive tape; switching the grinding fluid supplied by a water supply pipe of the grinding device into industrial purified water, and continuously washing the grinding belt, the grinding carrier roller or the grinding press roller for a set time according to the process requirement; the water supply pipe stops supplying industrial purified water; manually adjusting and gradually increasing the speed of the grinding belt of the grinding device to a set speed required by the process, and preventing the speed of the grinding belt from generating a rotation speed difference with the grinding carrier roller or the grinding press roller in the increasing process so as to cause the grinding carrier roller or the grinding press roller to generate abrasion; continuously operating the process for setting time, completely drying the grinding roller, the grinding belt, the grinding carrier roller or the grinding press roller, and stopping the rotation of the grinding belt;

furthermore, the tail of the traction belt is connected with the head of the copper alloy coiled material in a turnover lap joint mode.

Further, the working range of the grinding speed is 1000 ~ 1800 m/min, the working range of the grinding pressure is 2 ~ 5 MPa, and the specific set value needs to be determined according to the specifically processed copper alloy strip;

furthermore, the proportion of the grinding fluid is that the water accounts for 80 ~ 90 parts by weight, the grinding sand accounts for 20 ~ 10 parts by weight, and the grinding sand accounts for 800 ~ 2000 meshes of alumina;

furthermore, the feeding speed range of the copper alloy coiled material is 15 ~ 20 m/min during production, the specific set value is determined according to the specific processed copper alloy strip, and the slow drawing speed of the copper alloy coiled material is 2 m/min.

Further, the temperature of the passivation solution is set within 50 ~ 70 ℃, and the specific set value is determined according to the specific copper alloy strip to be processed.

Due to the adoption of the technical scheme, the invention has the following beneficial effects:

in order to overcome the defects in the background art, the invention discloses a high-performance copper alloy strip grinding process, which is based on a high-performance copper alloy strip grinding production line provided with three groups of grinding devices, and the copper alloy strip is continuously ground for three times through one-time grinding processing; meanwhile, in the three-time grinding treatment, different grinding processes are respectively adopted according to the actual copper alloy strip to be ground, so that the grinding production efficiency is ensured, and the surface quality of the copper alloy strip is also fully ensured, so that the surface performance of the copper alloy strip is fully ensured.

Drawings

FIG. 1 is a schematic view A of a high performance copper alloy strip grinding line;

FIG. 2 is a schematic view B of a high performance copper alloy strip grinding line;

FIG. 3 is a schematic view C of a high performance copper alloy strip grinding line;

fig. 4 is a schematic view D of a high performance copper alloy strip grinding line.

In the figure: 1. an uncoiler; 2. a shearing machine A; 3. a tape sewing machine; 4. s, a roller A; 5. a grinding device; 8. A wringing roller A; 9. a leveler; 10. s, a roller B; 11. a scrubber; 12. a water squeezing roller B; 13. a washing machine; 14. a passivation tank; 15. double-row water squeezing rollers; 16. a dryer; 17. s, rolling C; 18. a shearing machine B; 19. and (7) a winding machine.

Detailed Description

The present invention will be explained in detail by the following examples, which are disclosed for the purpose of protecting all technical improvements within the scope of the present invention.

A grinding process of a high-performance copper alloy strip adopts a high-performance copper alloy strip grinding production line, and the production line comprises an uncoiler 1, a shearing machine A2, a tape sewing machine 3, an S roller A4, a first group of grinding devices 5, a second group of grinding devices 6, a third group of grinding devices 7, a wringing roller A8, a leveling machine 9, an S roller B10, a scrubbing machine 11, a wringing roller B12, a flushing machine 13, a passivation tank 14, a double-row wringing roller 15, a drying machine 16, an S roller C17, a shearing machine B18 and a coiling machine 19; the equipment is sequentially fixedly arranged from left to right in an aligned mode according to the central line of the equipment; the grinding device comprises a first group of grinding devices 5, a second group of grinding devices 6 and a third group of grinding devices 7, wherein each group comprises an upper belt surface grinding device and a lower belt surface grinding device, and the upper belt surface grinding device and the lower belt surface grinding device are sequentially aligned and fixedly arranged from left to right according to the center line of the equipment; the upper belt surface grinding device and the lower belt surface grinding device are respectively provided with a grinding belt, a grinding carrier roller or a grinding press roller and a water supply pipe; the water supply pipe is communicated with the grinding fluid; based on a high-performance copper alloy strip grinding processing production line, the grinding process of the high-performance copper alloy strip comprises the following specific flows:

s1, setting parameters of a grinding device and grinding fluid, namely respectively setting a grinding speed (linear speed of a grinding belt) of 1000 ~ 1800 m/min and a grinding pressure (pressure of a hydraulic system) of 2 ~ 5 MPa for a first group of grinding devices 5, a second group of grinding devices 6 and a third group of grinding devices 7 according to technological parameter requirements, preparing the 800 ~ 2000-mesh alumina into the grinding fluid according to the weight portions of 80 ~ 90 parts of water and 20 ~ 10 parts of grinding sand, and respectively putting the grinding fluid into the corresponding grinding devices;

s2, threading: arranging a traction belt coiled material on an uncoiler 1; the head of the traction belt is cut orderly by a shearing machine A2, then the head of the traction belt sequentially passes through a belt sewing machine 3, an S roller A4, three groups of grinding devices 5, a wringing roller A8, a leveling machine 9, an S roller B10, a scrubbing machine 11, a wringing roller B12, a flushing machine 13, a passivation tank 14, a double-row wringing roller 15, a drying machine 16, an S roller C17 and a shearing machine B18, and finally the head of the traction belt is fixed on a winding machine 19; adjusting the central line of the traction belt to align with the middle shaft of the production line; shearing the traction belt by a shearing machine A2, and adjusting the position of the tail of the traction belt to the belt sewing machine 3 at the speed of 2 m/min; unloading the traction belt coiled material from the uncoiler 1, replacing the copper alloy coiled material, shearing the belt head of the copper alloy coiled material orderly by using a shearing machine A2, aligning the belt tail of the traction belt with the belt head of the copper alloy coiled material on the belt sewing machine 3, and turning over and lapping the belt tail of the traction belt and the belt head of the copper alloy coiled material; the head of the copper alloy coiled material is fixed on a winding machine 19 in a traction manner at the speed of 2 m/min, and the feeding of the copper alloy coiled material is stopped;

s3, injecting passivation solution into the passivation tank 14, namely injecting the prepared passivation solution into the passivation tank 14 according to the process requirement, and heating to 50 ~ 70 ℃;

s4, performing online treatment, namely starting the high-performance copper alloy strip grinding production line to automatically run, and supplying grinding liquid to a water supply pipe of a grinding device, wherein the speed of a grinding belt of the grinding device finally reaches 1000 ~ 1800 m/min, the feeding speed of a copper alloy coiled material is gradually accelerated to 15 ~ 20 m/min, and the copper alloy coiled material enters a normal working state, and the temperature for coiling the copper alloy strip after grinding treatment is lower than 40 ℃;

s5, finishing production: manually adjusting the speed of a grinding belt of the grinding device, and reducing the feeding speed of the copper alloy coiled material to 2 m/min; the shearing machine B18 shears the strip tail of the copper alloy coiled material, the coiling machine 19 winds the copper alloy coiled material to complete the coiling of the copper alloy coiled material, and the strip tail of the copper alloy coiled material is fixed by an adhesive tape; switching the grinding fluid supplied by a water supply pipe of the grinding device into industrial purified water, and continuously washing the grinding belt, the grinding carrier roller or the grinding press roller for 5 minutes; the water supply pipe stops supplying industrial purified water; the speed of the grinding belt of the grinding device is manually adjusted and gradually increased to 1000 m/min, and the rotation of the grinding belt is stopped after the grinding device is continuously operated for 30 min.

Taking a beryllium bronze alloy strip with the brand number of TBe2 as an example, the grinding process comprises the following specific flows:

the trade mark is as follows: TBe2, thickness: 0.05mm, width: 200mm

S1, polishing apparatus parameters, and slurry settings: the grinding speed (linear speed of a grinding belt) of the first group of grinding devices 5 is 1200 m/min, the grinding pressure (pressure of a hydraulic system) is 2.5 MPa, 1500-mesh grinding sand is used, the weight part of grinding fluid water is 80, and the weight part of grinding sand is 20; the second group of grinding devices 5 has a grinding speed (linear speed of a grinding belt) of 1500 m/min, a grinding pressure (pressure of a hydraulic system) of 2.2 MPa, and uses 1800-mesh grinding sand, wherein the grinding fluid comprises 80 parts by weight of water and 20 parts by weight of grinding sand; the third group of grinding devices 5 had a grinding speed (linear speed of the grinding belt) of 1800 m/min, a grinding pressure (pressure of the hydraulic system) of 2 mpa, and used 2000 mesh grinding sand, 80 parts by weight of grinding fluid water and 20 parts by weight of grinding sand.

S2, threading: arranging a traction belt coiled material on an uncoiler 1; the head of the traction belt is cut orderly by a shearing machine A2, then the head of the traction belt sequentially passes through a belt sewing machine 3, an S roller A4, three groups of grinding devices 5, a wringing roller A8, a leveling machine 9, an S roller B10, a scrubbing machine 11, a wringing roller B12, a flushing machine 13, a passivation tank 14, a double-row wringing roller 15, a drying machine 16, an S roller C17 and a shearing machine B18, and finally the head of the traction belt is fixed on a winding machine 19; adjusting the central line of the traction belt to align with the middle shaft of the production line; shearing the traction belt by a shearing machine A2, and adjusting the position of the tail of the traction belt to the belt sewing machine 3 at the speed of 2 m/min; unloading the traction belt coiled material from the uncoiler 1, replacing the copper alloy coiled material, shearing the belt head of the copper alloy coiled material orderly by using a shearing machine A2, aligning the belt tail of the traction belt with the belt head of the copper alloy coiled material on the belt sewing machine 3, and turning over and lapping the belt tail of the traction belt and the belt head of the copper alloy coiled material; the head of the copper alloy coiled material is fixed on a winding machine 19 in a traction manner at the speed of 2 m/min, and the feeding of the copper alloy coiled material is stopped;

s3, injecting passivation solution into the passivation tank 14: the prepared passivation solution is injected into the passivation tank 14 according to the process requirement and is heated to 50 ℃;

s4, online processing: starting a high-performance copper alloy strip grinding production line to automatically run, and supplying grinding fluid to a water supply pipe of a grinding device; the speed of the grinding belt of the first group of grinding devices 5 finally reaches 1200 m/min, the speed of the grinding belt of the second group of grinding devices 5 finally reaches 1500 m/min, the speed of the grinding belt of the third group of grinding devices 5 finally reaches 1800 m/min, the feeding speed of the copper alloy coiled material is gradually accelerated to 15 m/min, and the copper alloy coiled material enters a normal working state; the temperature of the copper alloy strip after grinding treatment is lower than 40 ℃ when the copper alloy strip is coiled;

s5, finishing production: manually adjusting the speed of a grinding belt of the grinding device, and reducing the feeding speed of the copper alloy coiled material to 2 m/min; the shearing machine B18 shears the strip tail of the copper alloy coiled material, the coiling machine 19 winds the copper alloy coiled material to complete the coiling of the copper alloy coiled material, and the strip tail of the copper alloy coiled material is fixed by an adhesive tape; switching the grinding fluid supplied by a water supply pipe of the grinding device into industrial purified water, and continuously washing the grinding belt and the grinding carrier roller for 5 minutes; the water supply pipe stops supplying industrial purified water; the speed of the grinding belt of the grinding device is manually adjusted and gradually increased to 1000 m/min, and the rotation of the grinding belt is stopped after the grinding device is continuously operated for 30 min.

The trade mark is as follows: TBe2, thickness: 1.0mm, width: 400mm

S1, polishing apparatus parameters, and slurry settings: the first group of grinding devices 5 has a grinding speed (linear speed of a grinding belt) of 1000 m/min, a grinding pressure (pressure of a hydraulic system) of 4 MPa, and uses 800-mesh grinding sand, wherein the grinding fluid comprises 90 parts by weight of water and 10 parts by weight of grinding sand; the second group of grinding devices 5 has a grinding speed (linear speed of a grinding belt) of 1400 m/min, a grinding pressure (pressure of a hydraulic system) of 3.5 MPa, 1200-mesh grinding sand is used, the weight part of grinding fluid water is 85, and the weight part of grinding sand is 15; the third group of grinding devices 5 had a grinding speed (linear speed of the grinding belt) of 1800 m/min, a grinding pressure (pressure of the hydraulic system) of 3 mpa, and used 1500 mesh grinding sand, 80 parts by weight of grinding fluid water and 20 parts by weight of grinding sand.

S2, threading: arranging a traction belt coiled material on an uncoiler 1; the head of the traction belt is cut orderly by a shearing machine A2, then the head of the traction belt sequentially passes through a belt sewing machine 3, an S roller A4, three groups of grinding devices 5, a wringing roller A8, a leveling machine 9, an S roller B10, a scrubbing machine 11, a wringing roller B12, a flushing machine 13, a passivation tank 14, a double-row wringing roller 15, a drying machine 16, an S roller C17 and a shearing machine B18, and finally the head of the traction belt is fixed on a winding machine 19; adjusting the central line of the traction belt to align with the middle shaft of the production line; shearing the traction belt by a shearing machine A2, and adjusting the position of the tail of the traction belt to the belt sewing machine 3 at the speed of 2 m/min; unloading the traction belt coiled material from the uncoiler 1, replacing the copper alloy coiled material, shearing the belt head of the copper alloy coiled material orderly by using a shearing machine A2, aligning the belt tail of the traction belt with the belt head of the copper alloy coiled material on the belt sewing machine 3, and turning over and lapping the belt tail of the traction belt and the belt head of the copper alloy coiled material; the head of the copper alloy coiled material is fixed on a winding machine 19 in a traction manner at the speed of 2 m/min, and the feeding of the copper alloy coiled material is stopped;

s3, injecting passivation solution into the passivation tank 14: the prepared passivation solution is injected into the passivation tank 14 according to the process requirement and is heated to 70 ℃;

s4, online processing: starting a high-performance copper alloy strip grinding production line to automatically run, and supplying grinding fluid to a water supply pipe of a grinding device; the speed of the grinding belt of the first group of grinding devices 5 finally reaches 1000 m/min, the speed of the grinding belt of the second group of grinding devices 6 finally reaches 1400 m/min, the speed of the grinding belt of the third group of grinding devices 7 finally reaches 1800 m/min, the feeding speed of the copper alloy coiled material is gradually accelerated to 20 m/min, and the copper alloy coiled material enters a normal working state; the temperature of the copper alloy strip after grinding treatment is lower than 40 ℃ when the copper alloy strip is coiled;

s5, finishing production: manually adjusting the speed of a grinding belt of the grinding device, and reducing the feeding speed of the copper alloy coiled material to 2 m/min; the shearing machine B18 shears the strip tail of the copper alloy coiled material, the coiling machine 19 winds the copper alloy coiled material to complete the coiling of the copper alloy coiled material, and the strip tail of the copper alloy coiled material is fixed by an adhesive tape; switching the grinding fluid supplied by a water supply pipe of the grinding device into industrial purified water, and continuously washing the grinding belt and the grinding carrier roller for 5 minutes; the water supply pipe stops supplying industrial purified water; the speed of the grinding belt of the grinding device is manually adjusted and gradually increased to 1000 m/min, and the rotation of the grinding belt is stopped after the grinding device is continuously operated for 30 min.

The present invention is not described in detail in the prior art.