CN113604808A

CN113604808A - Smokeless pickling installation of copper alloy

Info

Publication number: CN113604808A
Application number: CN202110686669.0A
Authority: CN
Inventors: 刘念培; 何良荣; 狄风雨; 张文帅; 钱邦虎
Original assignee: Wuhu Truchum Alloy Copper Co ltd
Current assignee: Wuhu Truchum Alloy Copper Co ltd
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2021-11-05
Anticipated expiration: 2041-06-21
Also published as: CN113604808B

Abstract

The invention provides a copper alloy smokeless pickling device which comprises a pickling tank, wherein a wire inlet wheel and a wire outlet wheel are respectively fixed on the outer walls of two ends of the pickling tank, a cover plate is arranged at the upper end of the pickling tank, two hydraulic cylinders I which vertically face downwards are fixed at the upper end of the cover plate, a fixing plate is fixed at the bottom of a piston rod of each hydraulic cylinder I, a guide wheel set is arranged on the lower end surface of the fixing plate, a hydraulic cylinder II and a moving assembly are arranged in the pickling tank, the hydraulic cylinder II faces downwards vertically, a connecting plate is fixed at the bottom of the piston rod, two buckets are arranged at the bottom of the connecting plate, slag discharge holes are formed in two ends of the pickling tank, a replenishing pipe is communicated with the side surface of the pickling tank, the pickling device provided by the invention removes impurity foam on the upper layer of an acidic solution through the moving buckets, the buckets are smoothly moved through a lifting guide wheel set, and the phenomenon that the copper alloy wire rod which leaves the acidic solution is stained with the impurity foam is avoided, the acid washing effect of the copper alloy wire is improved.

Description

Smokeless pickling installation of copper alloy

Technical Field

The invention relates to the technical field of copper alloy pickling equipment, in particular to a smokeless copper alloy pickling device.

Background

At present, copper alloy production enterprises need to clean the surface of copper alloy in the production process, and after the copper alloy is produced, the surface of the copper alloy often has certain impurities and stains, so that the surface needs to be cleaned.

The inventor finds in practical production that after the copper alloy is immersed in the acidic solution, the acidic solution reacts with the impurity layer on the surface of the copper alloy and removes the impurity layer, and the removed impurity is accumulated on the surface of the acidic solution, and a large amount of foam is generated, so that the surface of the copper alloy is still stained with a small amount of impurity and foam when the copper alloy leaves from the acidic solution, the foam is broken, stains are left on the surface of the copper alloy, the small amount of impurity is also left on the surface of the copper alloy after solidification, the cleaning quality of the copper alloy is low, and the stains are still present on the surface of the cleaned product.

Disclosure of Invention

In view of the above, the present invention is to provide a copper alloy smokeless pickling apparatus to solve all or one of the above problems of the background art.

Based on the above purpose, the invention provides a copper alloy smokeless pickling device, which is used for pickling copper alloy wires and comprises a pickling tank, wherein the outer walls of two ends of the pickling tank are respectively fixed with a wire inlet wheel and a wire outlet wheel, the upper end of the pickling tank is provided with a cover plate, the upper end of the cover plate is fixed with two hydraulic cylinders I which are vertically downward, piston rods of the hydraulic cylinders I penetrate through the cover plate and are arranged in the pickling tank, the bottom of the piston rods of the hydraulic cylinders I is fixed with a fixed plate, the lower end surface of the fixed plate is provided with a guide wheel set for guiding the copper alloy wires, the inside of the pickling tank is provided with a hydraulic cylinder II and a moving assembly, the moving assembly is used for driving the hydraulic cylinder II to move along the length direction of the pickling tank, the hydraulic cylinder II faces downward vertically, the bottom of the piston rods is fixed with a connecting plate, and the bottom of the connecting plate is provided with two buckets which are back to each other and are distributed in a human shape, the two ends of the bucket are attached to the inner walls of the two sides of the pickling tank, the bottom surface of the bucket is parallel to the end face of the pickling tank, the two ends of the pickling tank are provided with slag discharge holes, and the side face of the pickling tank is communicated with a replenishing pipe.

Optionally, the moving assembly comprises slide rails fixed on the inner walls of the two sides of the pickling tank, sliding blocks connected in a sliding mode are arranged on the slide rails, racks are fixed on one of the slide rails in a parallel mode, the slide blocks are of concave structures, a motor is fixed to the upper ends of the slide blocks, a gear is fixed to an output shaft of the motor, the gear is meshed with the racks, the number of the second hydraulic cylinders is two, the two hydraulic cylinders are fixed to the two slide blocks respectively, and the connecting plate is fixed to the bottoms of piston rods of the second hydraulic cylinders.

Optionally, the guide wheel set comprises a first guide wheel positioned at the lower part of the two ends of the fixing plate and a second guide wheel positioned at the lower end of the middle part of the fixing plate, and the height of the second guide wheel is lower than that of the first guide wheel.

Optionally, the replenishment pipe extends to the inside of pickling bath and sets up along the length direction of pickling bath, a plurality of liquid holes have been seted up to the upper surface equidistance of replenishment pipe.

Optionally, the outer walls of the two ends of the pickling tank are further fixed with slag discharge pipes, and the two slag discharge pipes are respectively communicated with the two slag discharge holes.

Optionally, a fan is fixed to the top of the cover plate, an air inlet end of the fan is connected with an air exhaust pipe, and the air exhaust pipe penetrates through the cover plate and is communicated with the interior of the pickling tank.

From the above, the copper alloy smokeless pickling device provided by the invention removes the impurity foam on the upper layer of the acidic solution through the moving bucket, and the bucket moves smoothly through the lifting guide wheel set, so that the copper alloy wire rod leaving the acidic solution is prevented from being stained with the impurity foam for the second time, and the pickling effect of the copper alloy wire rod is improved.

Drawings

In order to more clearly illustrate one or more embodiments or prior art solutions of the present specification, the drawings that are needed in the description of the embodiments or prior art will be briefly described below, and it is obvious that the drawings in the following description are only one or more embodiments of the present specification, and that other drawings may be obtained by those skilled in the art without inventive effort from these drawings.

FIG. 1 is a schematic structural view of a pickling apparatus according to the present invention;

FIG. 2 is a schematic top view of the moving assembly of the present invention;

FIG. 3 is a schematic view of the construction of the bucket and the like of the present invention;

fig. 4 is a schematic top view of a bucket of the present invention.

The device comprises a first hydraulic cylinder; 2. a fan; 3. an air exhaust pipe; 4. a cover plate; 5. a pickling tank; 6. a wire outlet wheel; 7. a slag discharge hole; 8. a slag discharge pipe; 9. a second guide wheel; 10. a replenishing pipe; 11. a liquid outlet hole; 12. a wire feeding wheel; 13. a fixing plate; 14. a first guide wheel; 15. a motor; 16. a slide rail; 17. a rack; 18. a slider; 19. a gear; 20. a second hydraulic cylinder; 21. a connecting plate; 22. a bucket.

Detailed Description

To make the objects, technical solutions and advantages of the present disclosure more apparent, the present disclosure is further described in detail below with reference to specific embodiments.

It is to be noted that unless otherwise defined, technical or scientific terms used in one or more embodiments of the present specification should have the ordinary meaning as understood by those of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," and similar terms in one or more embodiments of the specification is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

One or more embodiments of the specification disclose a smokeless pickling installation of copper alloy for the pickling operation of copper alloy wire rod, including the pickling bath 5, the both ends outer wall of pickling bath 5 is fixed with wire inlet wheel 12 respectively and is qualified for the next round of competitions line wheel 6, the upper end of pickling bath 5 is provided with apron 4, apron 4 upper end is fixed with two vertical decurrent pneumatic cylinders 1, the piston rod of pneumatic cylinder 1 passes apron 4 and is fixed with fixed plate 13 to the pickling bath 5 in and the bottom, the lower terminal surface of fixed plate 13 is provided with the direction wheelset that leads to the copper alloy wire rod, the inside of pickling bath 5 is provided with pneumatic cylinder two 20 and removal subassembly, the removal subassembly is used for driving pneumatic cylinder two 20 to remove along the 5 length direction of pickling bath, pneumatic cylinder two 20 are vertical down and the piston rod bottom is fixed with connecting plate 21, the bottom of connecting plate 21 is provided with two buckets 22 that just are "people" shape distribution dorsad, the both ends of scraper bowl 22 and the laminating of pickling bath 5 both sides inner wall, the bottom surface of scraper bowl 22 is parallel with pickling bath 5's terminal surface, slag discharging hole 7 has been seted up at pickling bath 5's both ends, the side intercommunication of pickling bath 5 has supplementary pipe 10.

As shown in fig. 1-4, the pickling apparatus provided by the present invention is mainly used for pickling copper alloy wires, and includes a pickling tank 5, wherein an inlet wire wheel 12 and an outlet wire wheel 6 are fixed on outer walls of two ends of the pickling tank 5, a cover plate 4 is arranged at an upper end of the pickling tank 5, the cover plate 4 is detachably connected with the pickling tank 5, two hydraulic cylinders 1 facing downward vertically are fixed at an upper end of the cover plate 4, a fixing plate 13 is fixed at a bottom of a piston rod of the hydraulic cylinder 1, a guide wheel set is arranged at a lower end surface of the fixing plate 13, the guide wheel set is used for supporting and guiding the conveyed copper alloy wires, a hydraulic cylinder 20 and a moving assembly are arranged inside the pickling tank 5, the moving assembly is used for driving the hydraulic cylinder 20 to move horizontally along a length direction of the pickling tank 5, the hydraulic cylinder 20 faces downward vertically, a connecting plate 21 is fixed at a bottom of the piston rod, two buckets 22 are fixed at a bottom of the connecting plate 21, two scraper bowls 22 set up dorsad and two scraper bowls 22 are "people" shape and distribute, as shown in fig. 4, the both ends of scraper bowl 22 and the laminating of pickling bath 5 both sides inner wall, the bottom surface of scraper bowl 22 is parallel with the terminal surface of pickling bath 5, the both ends of pickling bath 5 have been seted up row cinder hole 7, row cinder hole 7 highly the same, the side intercommunication of pickling bath 5 has supplementary pipe 10.

Copper alloy wire rod is drawn by inlet wire wheel 12 and is got into pickling bath 5 in, then pass through two direction wheelsets in proper order, leave pickling bath 5 by being drawn by outlet wire wheel 6 again, the inside acid solution that has injected into of pickling bath 5, the direction wheelset sets up the lower extreme at fixed plate 13, pneumatic cylinder 1 can drive fixed plate 13 and rise and reduce, in the pickling process, the piston rod of pneumatic cylinder 1 stretches out, make fixed plate 13 reduce, and then make the direction wheelset soak in acid solution, copper alloy wire rod can contact with acid solution when passing through the direction wheelset like this, along with going on of pickling operation, acid solution concentration reduces, for this reason supplement high concentration acid solution in to pickling bath 5 gradually through supplementary pipe 10, so that the pickling effect keeps invariable.

The copper alloy wire rod passing through is pickled by the acid solution, impurities and foams generated in the process float on the upper layer of the acid solution, therefore, every time, the hydraulic cylinder 20 is driven by the moving component to move from one end of the pickling tank 5 to the other end, the state shown in figure 1 is taken as an example, the height of the slag discharging holes 7 at the two ends of the pickling tank 5 is slightly higher than that of the internal acid solution, the hydraulic cylinder 20 is driven by the moving component to move from the left end to the right end, the bottom of the connecting plate 21 is provided with two buckets 22, the hydraulic cylinder 20 firstly enables the bottom of the bucket 22 to enter the upper layer of the acid solution through the telescopic piston rod, when the bucket 22 moves, the impurities and the foams on the upper layer of the acid solution are swept from one end of the pickling tank 5 to the other end, because the guide wheel set is immersed in the acid solution, the bucket 22 directly moves to interfere with the guide wheel set, therefore, in the moving process, firstly, a piston rod of a left hydraulic cylinder 1 is lifted, a left guide wheel set is lifted, so that a bucket 22 can normally move, after the left guide wheel set is lifted, the right guide wheel set is kept soaked in an acid solution, so that a copper alloy wire continuously passing through can still be subjected to pickling operation, after the bucket 22 passes through a left end guide wheel set, the piston rod of the left hydraulic cylinder 1 extends out, the left guide wheel set is soaked in the acid solution again, then the right guide wheel set is lifted, the bucket 22 is driven to pass through the right guide wheel set, the two guide wheel sets are lifted in sequence, so that the bucket 22 can pass through smoothly, when the bucket 22 moves, at least one guide wheel set is positioned in the acid solution, so that the copper alloy wire can keep a pickling state, the machine does not need to be stopped, a part of wire segments are prevented from being soaked in the acid solution, when the right bucket 22 moves to the right end of a pickling tank 5 and is attached to the inner wall of the right end, the moving component stops driving the second hydraulic cylinder 20 to move, at the moment, impurities and foams are all concentrated in a space enclosed by the right bucket 22 and the inner wall of the pickling tank 5, a small amount of acid solution is located in the space, the second hydraulic cylinder 20 controls a piston rod of the second hydraulic cylinder to lift to drive the bucket 22 to lift, the bucket 22 carries the impurities, the foams and the small amount of acid solution to lift, when the bucket 22 lifts to the height of the slag discharge hole 7, the impurities, the foams and the small amount of acid solution in the bucket 22 flow out of the slag discharge hole 7 together, the surface layer of the acid solution is further treated, the impurities and the foams cannot be attached again after the copper alloy wire leaves the acid solution, the pickling quality of the copper alloy wire is improved, the two buckets 22 are arranged in a back-to-back mode, when the bucket 22 moves from the right end to the left end of the pickling tank 5, the impurity foams are brushed to the left end of the pickling tank 5 by the bucket 22 on the left end, and periodically carrying out surface impurity removal work so as to prevent the surface of the copper alloy wire from being stained with impurity foams for the second time.

In summary, the pickling apparatus provided by the present invention removes the impurity foam on the upper layer of the acidic solution by the moving bucket 22, and the bucket 22 moves smoothly by the lifting guide wheel set, so as to prevent the copper alloy wire rod leaving the acidic solution from being stained with the impurity foam for a second time, and improve the pickling effect of the copper alloy wire rod.

In some optional embodiments, the moving assembly comprises slide rails 16 fixed on inner walls of two sides of the pickling bath 5, the slide rails 16 are provided with slide blocks 18 in sliding connection, one of the slide rails 16 is further fixed with a rack 17 in parallel, the slide blocks 18 are of a concave structure, the upper ends of the slide blocks 18 are fixed with a motor 15, an output shaft of the motor 15 is fixed with a gear 19, the gear 19 is meshed with the rack 17, the two hydraulic cylinders 20 are fixed on the two slide blocks 18 respectively, and the connecting plate 21 is fixed at the bottoms of piston rods of the two hydraulic cylinders 20.

The sliding block 18 can slide on the sliding rail 16, the gear 19 is driven to rotate through the motor 15, the gear 19 is meshed with the rack 17, and when the gear 19 rotates, the sliding block 18 is driven to move along the length direction of the sliding rail 16, and then the hydraulic cylinder 20 is driven to horizontally move.

In some alternative embodiments, the guide wheel set comprises a first guide wheel 14 positioned at the lower part of each end of the fixed plate 13 and a plurality of second guide wheels 9 positioned at the lower part of the middle part of the fixed plate 13, and the height of the second guide wheels 9 is lower than that of the first guide wheels 14.

As shown in fig. 1, a copper alloy wire firstly enters a first guide wheel 14 at one end, then enters a second guide wheel 9 at the middle part, and then leaves from the first guide wheel 14 at the other end, the height of the second guide wheel 9 is lower than that of the first guide wheel 14, so that the wire on the second guide wheel 9 is arranged in a downward protruding mode, during pickling, the second guide wheel 9 is ensured to be soaked in a pickling solution, the number of the second guide wheels 9 is multiple, the multiple second guide wheels 9 are arranged in a vertically staggered mode, and the passing wire is bendable, so that the soaking time of the wire can be prolonged, and the pickling is sufficient.

In some optional embodiments, the replenishment pipe 10 extends into the pickling bath 5 and is disposed along the length direction of the pickling bath 5, and a plurality of liquid outlet holes 11 are equidistantly formed on the upper surface of the replenishment pipe 10.

When high-concentration acid solution is supplemented, the solution is upwards ejected from the liquid outlet hole 11 on the supplementing pipe 10, and the ejected solution disturbs the solution in the pickling tank 5, so that impurities on the surface of the wire rod can fall off.

In some optional embodiments, the outer walls of the two ends of the pickling tank 5 are further fixed with slag discharge pipes 8, the two slag discharge pipes 8 are respectively communicated with the two slag discharge holes 7, and the discharged acidic solution and impurities can be conveniently and intensively recovered through the slag discharge pipes 8.

In some optional embodiments, a fan 2 is fixed on the top of the cover plate 4, an air inlet end of the fan 2 is connected with an air exhaust pipe 3, the air exhaust pipe 3 penetrates through the cover plate 4 and is communicated with the interior of the pickling tank 5, a large amount of harmful smoke can be generated during pickling, the cover plate 4 can reduce emission of the smoke, and during pickling, the fan 2 is started, the smoke in the cover plate is extracted through the fan 2, and the smoke is conveyed to a special treatment device for filtration treatment.

The foregoing description has been directed to specific embodiments of this disclosure. Other embodiments are within the scope of the following claims. In some cases, the actions or steps recited in the claims may be performed in a different order than in the embodiments and still achieve desirable results. In addition, the processes depicted in the accompanying figures do not necessarily require the particular order shown, or sequential order, to achieve desirable results. In some embodiments, multitasking and parallel processing may also be possible or may be advantageous.

Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the spirit of the present disclosure, features from the above embodiments or from different embodiments may also be combined, steps may be implemented in any order, and there are many other variations of different aspects of one or more embodiments of the present description as described above, which are not provided in detail for the sake of brevity.

In addition, well-known power/ground connections to Integrated Circuit (IC) chips and other components may or may not be shown in the provided figures, for simplicity of illustration and discussion, and so as not to obscure one or more embodiments of the disclosure. Furthermore, devices may be shown in block diagram form in order to avoid obscuring the understanding of one or more embodiments of the present description, and this also takes into account the fact that specifics with respect to implementation of such block diagram devices are highly dependent upon the platform within which the one or more embodiments of the present description are to be implemented (i.e., specifics should be well within purview of one skilled in the art). Where specific details (e.g., circuits) are set forth in order to describe example embodiments of the disclosure, it should be apparent to one skilled in the art that one or more embodiments of the disclosure can be practiced without, or with variation of, these specific details. Accordingly, the description is to be regarded as illustrative instead of restrictive.

While the present disclosure has been described in conjunction with specific embodiments thereof, many alternatives, modifications, and variations of these embodiments will be apparent to those of ordinary skill in the art in light of the foregoing description. For example, other memory architectures (e.g., dynamic ram (dram)) may use the discussed embodiments.

It is intended that the one or more embodiments of the present specification embrace all such alternatives, modifications and variations as fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements, and the like that may be made without departing from the spirit and principles of one or more embodiments of the present disclosure are intended to be included within the scope of the present disclosure.

Claims

1. The utility model provides a smokeless pickling plant of copper alloy for the pickling operation of copper alloy wire rod, a serial communication port, including pickling bath (5), the both ends outer wall of pickling bath (5) is fixed with wire wheel (12) and is qualified for the next round of competitions respectively, the upper end of pickling bath (5) is provided with apron (4), apron (4) upper end is fixed with two vertical decurrent pneumatic cylinders one (1), the piston rod of pneumatic cylinder one (1) passes apron (4) to pickling bath (5) in and the bottom is fixed with fixed plate (13), the lower terminal surface of fixed plate (13) is provided with the direction wheelset that leads to the copper alloy wire rod, the inside of pickling bath (5) is provided with pneumatic cylinder two (20) and removes the subassembly, it is used for driving pneumatic cylinder two (20) to remove along pickling bath (5) length direction to remove the subassembly, pneumatic cylinder two (20) are vertical down and the piston rod bottom is fixed with connecting plate (21), the bottom of connecting plate (21) is provided with two scraper bowls (22) that back to back and be "people" shape and distribute, the both ends and the laminating of pickling bath (5) both sides inner wall of scraper bowl (22), the bottom surface of scraper bowl (22) is parallel with the terminal surface of pickling bath (5), slag discharging hole (7) have been seted up at the both ends of pickling bath (5), the side intercommunication of pickling bath (5) has supplementary pipe (10).

2. The copper alloy smokeless pickling device of claim 1, characterized in that the moving assembly comprises slide rails (16) fixed on the inner walls of two sides of the pickling tank (5), slide blocks (18) in sliding connection are arranged on the slide rails (16), a rack (17) is fixed on one of the slide rails (16) in parallel, the slide blocks (18) are of a concave structure, a motor (15) is fixed at the upper end of each slide block (18), a gear (19) is fixed on an output shaft of the motor (15), the gear (19) is meshed with the rack (17), two hydraulic cylinders (20) are respectively fixed on the two slide blocks (18), and the connecting plate (21) is fixed at the bottom of the piston rods of the two hydraulic cylinders (20).

3. The copper alloy smokeless pickling apparatus according to claim 1, wherein the guide wheel set comprises a first guide wheel (14) positioned at the lower part of each end of the fixed plate (13) and a plurality of second guide wheels (9) positioned at the lower part of the middle part of the fixed plate (13), and the second guide wheels (9) are lower than the first guide wheels (14).

4. The smokeless pickling apparatus for copper alloy according to claim 1, wherein the replenishment pipe (10) extends into the pickling tank (5) and is disposed along the longitudinal direction of the pickling tank (5), and a plurality of liquid outlet holes (11) are provided on the upper surface of the replenishment pipe (10) at equal intervals.

5. The smokeless copper alloy pickling device according to claim 1, wherein the outer walls of the two ends of the pickling tank (5) are further fixed with slag discharge pipes (8), and the two slag discharge pipes (8) are respectively communicated with the two slag discharge holes (7).

6. The copper alloy smokeless pickling device according to claim 1, characterized in that a fan (2) is fixed on the top of the cover plate (4), an air intake end of the fan (2) is connected with an air exhaust pipe (3), and the air exhaust pipe (3) penetrates through the cover plate (4) and is communicated with the inside of the pickling tank (5).