CN115044799B - Manufacturing method and manufacturing production equipment of lead-free DR (digital radiography) dezincification-resistant copper alloy - Google Patents
Manufacturing method and manufacturing production equipment of lead-free DR (digital radiography) dezincification-resistant copper alloy Download PDFInfo
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- CN115044799B CN115044799B CN202210619524.3A CN202210619524A CN115044799B CN 115044799 B CN115044799 B CN 115044799B CN 202210619524 A CN202210619524 A CN 202210619524A CN 115044799 B CN115044799 B CN 115044799B
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
- C22C9/04—Alloys based on copper with zinc as the next major constituent
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/001—Continuous casting of metals, i.e. casting in indefinite lengths of specific alloys
- B22D11/004—Copper alloys
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
- B22D11/126—Accessories for subsequent treating or working cast stock in situ for cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D31/00—Cutting-off surplus material, e.g. gates; Cleaning and working on castings
- B22D31/002—Cleaning, working on castings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D7/00—Casting ingots, e.g. from ferrous metals
- B22D7/005—Casting ingots, e.g. from ferrous metals from non-ferrous metals
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D45/00—Sawing machines or sawing devices with circular saw blades or with friction saw discs
- B23D45/04—Sawing machines or sawing devices with circular saw blades or with friction saw discs with a circular saw blade or the stock carried by a pivoted lever
- B23D45/042—Sawing machines or sawing devices with circular saw blades or with friction saw discs with a circular saw blade or the stock carried by a pivoted lever with the saw blade carried by a pivoted lever
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D47/00—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts
- B23D47/04—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts of devices for feeding, positioning, clamping, or rotating work
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/03—Making non-ferrous alloys by melting using master alloys
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
- G01N2001/2873—Cutting or cleaving
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Abstract
The invention belongs to the technical field of copper alloy preparation, and particularly relates to a manufacturing method and manufacturing production equipment of a lead-free DR dezincification-resistant copper alloy; by arranging a cutting machine, a sliding rail, a push plate, a spring, a pointer, a guide rail, a sliding block and a clamping block; fix the copper ingot centre gripping through slider and clamp splice cooperation, promote slider a to slide along the guide rail, promote the push pedal and slide along the slide rail for spring compression, the push pedal drives the pointer and slides, the pointer slides along the scale, the cutting machine cuts off the copper ingot along the position of cutting the groove, the staff of being convenient for instructs the scale and confirms the size length of waiting to cut of copper ingot from the pointer, thereby the staff of being convenient for carries out many times contrast detection, then improved the detection accuracy to the copper ingot.
Description
Technical Field
The invention belongs to the technical field of copper alloy preparation, and particularly relates to a manufacturing method and manufacturing production equipment of a lead-free DR dezincification-resistant copper alloy.
Background
The copper alloy is a zinc alloy with copper as a main alloy element, and the copper is added to improve the strength, the hardness and the impact toughness, but reduce the plasticity and the fluidity during casting; the production process of the water heating hardware brass casting mainly comprises the following steps: the brass alloy is manufactured by the steps of brass ingot casting, machining, polishing, electroplating and the like.
A Chinese patent with publication number CN107245583B discloses a method for preparing a zinc-copper alloy by using copper-cadmium slag, the copper-cadmium slag obtained by zinc hydrometallurgy is subjected to high-pressure oxidation leaching in a high-pressure reaction kettle by using sulfuric acid and hydrogen peroxide, the obtained acid leaching solution is subjected to pH adjustment by using a pH regulator to adjust the acid leaching solution to 2-4, iron is removed by precipitation, and copper and cadmium ions in the iron-removed solution are replaced by using a zinc sheet to obtain the copper-cadmium alloy; then putting the copper-cadmium alloy into a vacuum furnace, and carrying out vacuum distillation separation at the residual pressure of 5-20 Pa and the temperature of 700-1000 ℃ in the furnace to obtain metal copper and metal cadmium; after copper and cadmium are extracted, electrolytic zinc sheets are obtained under the electrolysis conditions that the cathode current density is 350-500A/m < 2 > and the electrolysis temperature is 25-40 ℃; and putting the electrolytic zinc sheet and the metal copper into a biofuel furnace for smelting to obtain the zinc-copper alloy. The invention overcomes the defects of the prior wet-method copper-cadmium slag treatment process, and realizes the comprehensive recycling process of the copper-cadmium slag with short flow, little environmental pollution, low cost and high product purity.
After the copper alloy is prepared, the copper alloy to be put in storage needs to be sawed, polished and detected, a worker uses a cutting machine to perform alkaline cutting and sampling on the last copper ingot produced in the same batch, the worker needs to hold the copper ingot to cut, the worker manually cuts the sample, a plurality of samples with the same specification cannot be accurately cut, and repeated detection by the worker is inconvenient.
Therefore, the invention provides a manufacturing method and manufacturing production equipment of the lead-free DR dezincification-resistant copper alloy.
Disclosure of Invention
To remedy the deficiencies of the prior art, at least one of the technical problems set forth in the background is addressed.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a method for manufacturing a lead-free DR dezincification-resistant copper alloy, which consists of the following raw materials:
preferably, the manufacturing method comprises the following steps:
s1: putting the raw materials into an electric furnace according to a proportion for complete smelting, wherein electrolytic copper, bright copper wire and brass rim charge are used as copper, and a modifier and a degassing and deslagging agent are added in the smelting process to remove furnace ash and filter residues;
s2: after the raw materials are melted, taking out a copper water sample, and sending the copper water sample to a spectrometer for testing chemical components in the copper water; simultaneously carrying out metallographic detection, observing by using a metallographic microscope, magnifying by 200 times, and enabling the average grain diameter to be less than 50 mu m; the alpha phase content in the microstructure is more than 50 percent, the crystal grains are uniform in size and distributed in a granular shape, no serious dendritic crystal exists, the microstructure has no slag inclusion, no cluster aggregation and no grain boundary segregation; according to the components of the assay, supplementing the raw materials which are not required, and then continuing to smelt until the raw materials are completely melted to remove ash;
s3: casting the molten copper through a full-automatic chain iron mold to prepare a copper ingot; or transferring the molten copper into an induction heat-preservation electric furnace for heat-preservation smelting, performing horizontal continuous casting, and performing polishing and straightening to prepare a copper ingot;
s4: and performing saw cutting polishing detection on the manufactured copper ingot, and warehousing and storing the qualified copper ingot.
A manufacturing production device of a lead-free DR dezincification-resistant copper alloy is suitable for the manufacturing method of the lead-free DR dezincification-resistant copper alloy, and comprises a base, a cutting machine, a slide rail, a push plate, a spring and a pointer; the automatic cutting machine is characterized in that a cutting machine is hinged to one side of the top surface of the base, a cutting groove is formed in the top surface of the base, the inner wall of the cutting groove is sleeved on the outer side of a saw blade of the cutting machine, a pair of slide rails is fixedly connected to the top surface of the base, one ends of the pair of slide rails are in contact with the side surfaces of the cutting groove, the direction of the slide rails is perpendicular to the rotating direction of the cutting machine, a push plate is slidably mounted between the slide rails on two sides, springs are fixedly connected between the bottoms of two sides of the push plate and one end, away from the cutting groove, of the slide rail, a pointer is fixedly connected to one side, close to the slide rails, of the push plate, the bottom surface of the pointer is in sliding fit with the top surface of the slide rails, scales are formed in the top surface of the base, a copper ingot is placed on the middle of the cutting groove, and the end of the copper ingot is in sliding fit with the push plate; after the copper ingot of the copper alloy is manufactured, the manufactured copper ingot needs to be detected, and the manufactured copper ingot can be put into a warehouse after the detection is qualified; during operation, take out a copper ingot, place the top of base with the copper ingot, promote the copper ingot and pass and cut the cut groove, make the end contact push pedal of copper ingot, continue to promote the copper ingot, it slides along the slide rail to promote the push pedal, make the spring compression, the push pedal drives the pointer and slides, the pointer slides along the scale, the cutting machine cuts off the position of copper ingot along the cut groove, the staff of being convenient for instructs the scale and confirms the size length that treats the cut of copper ingot from the pointer, thereby the staff of being convenient for carries out many times contrast and detects, then the detection accuracy to the copper ingot has been improved.
Preferably, the top surface of the base is fixedly connected with a pair of guide rails, one ends of the pair of guide rails are in contact with the side surfaces of the cutting groove, the direction of the guide rails is perpendicular to the rotating direction of the cutting machine, the guide rails and the slide rail are symmetrical about the cutting groove, the tops of the guide rails on two sides are provided with slide blocks in a sliding manner, the top bolts of the slide blocks are provided with clamping blocks, the bottom surfaces of the clamping blocks and the top surfaces of the slide blocks are both provided with arc grooves, a copper ingot is clamped between the bottom surfaces of the clamping blocks and the top surfaces of the slide blocks, the top surface of the base is fixedly connected with a pair of arc groove guide blocks, the arc groove guide blocks on two sides are positioned on two sides of the cutting groove, and the arc groove guide blocks on two sides are fixedly connected with the guide rails and the slide rail respectively; the shape and the size of the cross section of the arc groove guide block in the embodiment are the same as those of the cross section of the sliding block; during operation, place the top surface arc recess of slider and the top surface arc inslot of arc groove guide block respectively with the both sides of copper ingot in, use the bolt to fix the top surface to the slider with the clamp splice, the clamp splice is fixed locking with the copper ingot with the slider cooperation, the staff promotes the clamp splice and drives the slider and slide along the guide rail, promotes the copper ingot and slides along arc groove guide block to reduced the required strength of the fixed copper ingot of staff, the staff's of being convenient for cutting work has improved staff's work efficiency.
Preferably, a hydraulic cylinder is fixedly connected to the bottom of one surface, close to the hinge position of the cutting machine, of the base, cross beams are fixedly connected to two sides of the top of the hinge position of the cutting machine, straight grooves are formed in opposite surfaces of the cross beams on two sides, a sliding rod is slidably mounted between the straight grooves on two sides, and the middle of an outer ring of the sliding rod is rotatably connected with the top end of a piston rod of the hydraulic cylinder; during operation, it is fixed that the slider centre gripping is remained by the clamp splice to the copper ingot, when promoting suitable cutting size simultaneously, the piston rod of pneumatic cylinder is released, promotes the slide bar and slides along the straight flute, promotes the crossbeam and rotates and rise, drives the cutting machine and rotates along articulated position for the saw bit of cutting machine is cutting the copper ingot downwards, thereby has reduced the operation of staff when cutting the cutting machine, has improved the convenience of staff's work then.
Preferably, the bottom surface of the cutting groove is provided with a containing groove, the outer side of the narrow edge at one side of the cutting groove is fixedly connected with an arc-shaped baffle plate, the outer side of the narrow edge at the other side of the cutting groove is fixedly connected with a straight baffle plate, the cross sections of the arc-shaped baffle plate and the straight baffle plate are both U-shaped, and the outer side of a saw blade of the cutting machine is sleeved between the arc-shaped baffle plate and the straight baffle plate; the during operation, during the saw bit cutting copper ingot of cutting machine, the high temperature copper bits of production are thrown away along with the rotation of saw bit, most high temperature copper bits are blockked by cowl, fall into the cutting inslot, a small amount of high temperature copper bits are blockked by straight baffle, make the high temperature copper bits fall into the cutting inslot, finally fall into and accomodate the inslot, thereby the probability that the staff were scalded to the high temperature copper bits has been reduced, the collection work to the high temperature copper bits has been realized simultaneously, the staff of being convenient for is to the recycle of the copper bits of collection.
Preferably, a filter cavity is formed in one side, close to the arc-shaped baffle, of the containing groove, the top of the filter cavity is communicated with the middle of the containing groove, an equipment cavity is formed in one side, close to the arc-shaped baffle, of the ground top surface of the base, a water pump is fixedly connected inside the equipment cavity, a cover plate is bolted to the top of the equipment cavity, a water pumping pipe is fixedly connected to the top of the filter cavity, the top end of the water pumping pipe is communicated with the water inlet end of the water pump, the water outlet end of the water pump is communicated with a water outlet pipe, a water tank is formed inside the arc-shaped baffle, the bottom end of the water tank is communicated with the top end of the water outlet pipe, a plurality of hollow water spray rods are fixedly connected to the inner arc surface of the arc-shaped baffle, the hollow water spray rods are communicated with the water tank, clear water is filled inside the containing groove, the liquid level of the clear water is higher than the top surface of the filter cavity, and the liquid level of the clear water is lower than the bottom surface of the cutting groove; when the copper cutting machine works, clear water is added into the containing groove, the liquid level of the clear water is located between the bottom surface of the cutting groove and the top surface of the filter cavity, the clear water in the containing groove flows into the filter cavity, the clear water in the filter cavity is pumped out by the water pump through the water pumping pipe and then is added into the water tank through the water outlet pipe, the clear water is sprayed out through the hollow water spray rod, the sprayed clear water falls into the cutting groove, when a copper ingot is cut by a saw blade of the cutting machine, the sprayed clear water cools the saw blade of the cutting machine, the probability that the saw blade of the cutting machine is damaged due to high temperature is reduced, meanwhile, the temperature of high-temperature copper scraps carried out by the cutting machine is reduced by the clear water, and when the copper scraps fly into the arc-shaped baffle, the copper scraps are blocked by the hollow water spray rod, and the probability that the copper scraps splash is reduced; the piece of high temperature falls into and accomodates the inside back of inslot, is accomodate the clear water cooling of inslot, and the copper scraps sinks to accomodate the bottom of groove for the top of clear water keeps clean, thereby makes the clear water of filter chamber keep clean state, has reduced the water pump because of inhaling the probability that the copper scraps breaks down, has improved the cyclic utilization rate of clear water simultaneously.
Preferably, the bottom of the hollow water spray rod is provided with a plurality of through holes, and asbestos ropes are fixedly connected inside the through holes; the back in the high temperature copper bits that the cutting machine took out flies into cowl, and the copper bits flies to the asbestos cord on, is blockked by the asbestos cord, has further reduced the copper bits and has received the probability that the striking takes place to splash, and the clear water in the hollow spray rod flows down along the asbestos cord simultaneously, brings the copper bits on asbestos cord surface into and accomodates the inslot to the rate of recovery of copper bits has been improved.
Preferably, a collecting basket is slidably mounted at the bottom of the containing groove, a plurality of mesh plates are fixedly connected inside the collecting basket, a plurality of inclined plates are fixedly connected to two surfaces of each mesh plate, an L-shaped plate is fixedly connected to the top surface of the filter cavity, a plurality of holes are formed in the bottom surface of the L-shaped plate, and the top surface of the bottom of the L-shaped plate is located at the bottom of the bottom end of the water pumping pipe; when the collecting basket works, the collecting basket is placed into the accommodating groove, copper scraps falling into the accommodating groove are precipitated in clear water and fall into the accommodating groove, and the copper scraps are separated by the mesh plate, so that the flowing probability of the copper scraps along with the clear water is reduced, meanwhile, the flowing speed of the clear water is reduced by the inclined plates, the moving probability of the copper scraps is further reduced, and the probability of the copper scraps entering the filter cavity is reduced; through the L-shaped plate that sets up, improved the flow velocity of rivers in the filter chamber, blockked the probability that the copper scraps of filter chamber bottom were raised to further reduced the probability that the water pump broke down because of inhaling the copper scraps.
1. The invention relates to a manufacturing method and manufacturing production equipment of lead-free DR dezincification-resistant copper alloy, which are characterized in that a cutting machine, a slide rail, a push plate, a spring, a pointer, a guide rail, a slide block and a clamping block are arranged; fix the copper ingot centre gripping through slider and clamp splice cooperation, promote slider a to slide along the guide rail, promote the push pedal and slide along the slide rail for spring compression, the push pedal drives the pointer and slides, the pointer slides along the scale, the cutting machine cuts off the copper ingot along the position of cutting the groove, the staff of being convenient for instructs the scale and confirms the size length of waiting to cut of copper ingot from the pointer, thereby the staff of being convenient for carries out many times contrast detection, then improved the detection accuracy to the copper ingot.
2. The invention relates to a manufacturing method and manufacturing production equipment of lead-free DR dezincification-resistant copper alloy, which are characterized in that an arc-shaped baffle, a straight baffle, a water pump and a hollow water spray rod are arranged; high-temperature copper scraps generated when the copper ingot is cut by the saw blade of the cutting machine are blocked by the arc-shaped baffle and the straight baffle, clean water in the filter cavity is pumped out by the water pump and is sprayed out by the hollow water spray rod, the sprayed clean water falls into the cutting groove, when the copper ingot is cut by the saw blade of the cutting machine, the saw blade of the cutting machine is cooled by the sprayed clean water, the probability of damage of the saw blade of the cutting machine due to high temperature is reduced, meanwhile, the temperature of the high-temperature copper scraps brought out by the cutting machine is reduced by the clean water, and when the copper scraps fly into the arc-shaped baffle, the copper scraps are blocked by the hollow water spray rod, so that the probability of splashing of the copper scraps is reduced; the piece of high temperature falls into and accomodates the inside back of inslot, is accomodate the clear water cooling of inslot, and the copper scraps sinks to accomodate the bottom of groove for the top of clear water keeps clean, thereby makes the clear water of filter chamber keep clean state, has reduced the water pump because of inhaling the probability that the copper scraps breaks down, has improved the cyclic utilization rate of clear water simultaneously.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a perspective view of a first embodiment of the present invention;
FIG. 2 is a cross-sectional view of a first embodiment of the present invention;
FIG. 3 is an enlarged view of a portion A of FIG. 1;
FIG. 4 is an enlarged view of a portion of FIG. 2 at B;
FIG. 5 is an enlarged view of a portion of FIG. 2 at C;
FIG. 6 is a partial cross-sectional view of a second collection basket according to an embodiment of the present invention;
FIG. 7 is a flow chart of a method of making the present invention;
in the figure: 1. a base; 2. a cutter; 3. a slide rail; 4. pushing the plate; 5. a spring; 6. a pointer; 7. cutting a groove; 8. a copper ingot; 9. a guide rail; 10. a slider; 11. a clamping block; 12. an arc groove guide block; 13. a hydraulic cylinder; 14. a cross beam; 15. a straight groove; 16. a slide bar; 17. a receiving groove; 18. an arc-shaped baffle plate; 19. a straight baffle plate; 20. a filter chamber; 21. an equipment chamber; 22. a water pump; 23. a water pumping pipe; 24. a water outlet pipe; 25. a water tank; 26. a hollow water spray rod; 27. a through hole; 28. an asbestos cord; 29. a collection basket; 30. a mesh plate; 31. a sloping plate; 32. an L-shaped plate; 33. a support bar; 34. an arc-shaped plate; 35. and connecting ropes.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Example one
The lead-free DR dezincification-resistant copper alloy comprises the following raw materials:
as shown in fig. 7, the manufacturing method includes the following steps:
s1: putting the raw materials into an electric furnace according to a proportion for complete smelting, wherein electrolytic copper, bright copper wire and brass rim charge are used as copper, and a modifier and a degassing and deslagging agent are added in the smelting process to remove furnace ash and filter residues;
s2: after the raw materials are melted, taking out a copper water sample, and sending the copper water sample to a laboratory spectrometer for testing chemical components in the copper water; simultaneously carrying out metallographic detection, observing by using a metallographic microscope, magnifying by 200 times, and enabling the average grain diameter to be less than 50 mu m; the alpha phase content in the microstructure is more than 50 percent, the crystal grains have uniform size and are distributed in a granular shape, no serious dendritic crystal exists, the microstructure has no slag inclusion, no cluster aggregation and no grain boundary segregation; according to the components of the assay, supplementing the raw materials which are not required, and then continuing to smelt until the raw materials are completely melted to remove ash;
s3: casting the molten copper through a full-automatic chain iron mold to prepare a copper ingot; or transferring the molten copper into an induction heat-preservation electric furnace for heat-preservation smelting, performing horizontal continuous casting, and performing polishing and straightening to prepare a copper ingot;
s4: and performing saw cutting polishing detection on the manufactured copper ingot, and warehousing and storing the qualified copper ingot.
As shown in fig. 1 to 3, a manufacturing production apparatus for a lead-free DR dezincification-resistant copper alloy, which is suitable for the above manufacturing method for a lead-free DR dezincification-resistant copper alloy, includes a base 1, a cutter 2, a slide rail 3, a push plate 4, a spring 5 and a pointer 6; a cutting machine 2 is hinged to one side of the top surface of the base 1, a cutting groove 7 is formed in the top surface of the base 1, the inner wall of the cutting groove 7 is sleeved on the outer side of a saw blade of the cutting machine 2, a pair of slide rails 3 is fixedly connected to the top surface of the base 1, one ends of the pair of slide rails 3 are in contact with the side surfaces of the cutting groove 7, the direction of each slide rail 3 is perpendicular to the rotating direction of the cutting machine 2, a push plate 4 is slidably mounted between the slide rails 3 on two sides, a spring 5 is fixedly connected between the bottoms of two sides of the push plate 4 and one end, far away from the cutting groove 7, of each slide rail 3 of each push plate 4, a pointer 6 is fixedly connected to one side, close to the slide rails 3, the bottom surface of the pointer 6 is in sliding fit with the top surface of the slide rails 3, scales are formed in the top surface of the slide rails 3, a copper ingot 8 is placed on the top surface of the base 1, the copper ingot 8 is located in the middle of the cutting groove 7, and the end of the copper ingot 8 is in sliding fit with the push plate 4; after the copper ingot 8 of the copper alloy is manufactured, the manufactured copper ingot 8 needs to be detected, and can be put in storage after the detection is qualified; the during operation takes out a copper ingot 8, place the top of base 1 with copper ingot 8, promote copper ingot 8 and pass and cut groove 7, make copper ingot 8's end contact push pedal 4, continue to promote copper ingot 8, it slides along slide rail 3 to promote push pedal 4, make spring 5 compress, push pedal 4 drives pointer 6 and slides, pointer 6 slides along the scale, cutting machine 2 cuts off copper ingot 8 along the position that cuts groove 7, the staff of being convenient for follows pointer 6 instruction scale and confirms the size length that treats cutting of copper ingot 8, thereby the staff of being convenient for carries out many times contrast and detects, then improved the detection accuracy to copper ingot 8.
As shown in fig. 1 to 2, a pair of guide rails 9 is fixedly connected to the top surface of the base 1, one end of each of the pair of guide rails 9 contacts with the side surface of the cutting groove 7, the direction of the guide rail 9 is perpendicular to the rotating direction of the cutting machine 2, the guide rail 9 and the slide rail 3 are symmetrical about the cutting groove 7, a slide block 10 is slidably mounted on the top of the guide rail 9 on both sides, a clamping block 11 is mounted on the top of the slide block 10 through a bolt, arc grooves are formed in both the bottom surface of the clamping block 11 and the top surface of the slide block 10, a copper ingot 8 is clamped between the bottom surface of the clamping block 11 and the top surface of the slide block 10, a pair of arc groove guide blocks 12 is fixedly connected to the top surface of the base 1, the arc groove guide blocks 12 on both sides are located on both sides of the cutting groove 7, and the arc groove guide blocks 12 on both sides are fixedly connected to the guide rail 9 and the slide rail 3, respectively; the cross section of the arc groove guide block 12 in the embodiment has the same shape and size as the cross section of the sliding block 10; during operation, place the top surface arc recess of slider 10 and the top surface arc inslot of arc groove guide block 12 respectively with copper ingot 8's both sides, use the bolt to fix the top surface to slider 10 with clamp splice 11, clamp splice 11 and the fixed locking of slider 10 cooperation with copper ingot 8, the staff promotes clamp splice 11 and drives slider 10 and slides along guide rail 9, promote copper ingot 8 and slide along arc groove guide block 12, thereby the required strength of the fixed copper ingot 8 of staff has been reduced, the staff's of being convenient for cutting work, staff's work efficiency has been improved.
As shown in fig. 1 to 2, a hydraulic cylinder 13 is fixedly connected to the bottom of one side of the base 1 close to the hinge position of the cutting machine 2, cross beams 14 are fixedly connected to both sides of the top of the hinge position of the cutting machine 2, straight grooves 15 are formed in the opposite sides of the cross beams 14 on both sides, a slide bar 16 is slidably mounted between the straight grooves 15 on both sides, and the middle of an outer ring of the slide bar 16 is rotatably connected with the top end of a piston rod of the hydraulic cylinder 13; during operation, it is fixed with slider 10 centre gripping when copper ingot 8 is by clamp splice 11, when promoting suitable cutting size simultaneously, the piston rod of pneumatic cylinder 13 is released, promotes slide bar 16 and slides along straight flute 15, promotes crossbeam 14 and rotates and rises, drives cutting machine 2 and rotates along articulated position for cutting machine 2's saw bit is copper ingot 8 downwards, thereby has reduced the operation of staff when cutting machine 2, has improved the convenience of staff's work then.
As shown in fig. 1 to 2, a receiving groove 17 is formed in the bottom surface of the cutting groove 7, an arc-shaped baffle 18 is fixedly connected to the outer side of the narrow edge on one side of the cutting groove 7, a straight baffle 19 is fixedly connected to the outer side of the narrow edge on the other side of the cutting groove 7, the cross sections of the arc-shaped baffle 18 and the straight baffle 19 are both U-shaped, and the outer side of the saw blade of the cutting machine 2 is sleeved between the arc-shaped baffle 18 and the straight baffle 19; the during operation, during cutting copper ingot 8 of saw bit cutting machine 2, the high temperature copper bits of production are thrown away along with the rotation of saw bit, most high temperature copper bits are blockked by cowl 18, fall into cutting groove 7, a small amount of high temperature copper bits are blockked by straight baffle 19, make the high temperature copper bits fall into cutting groove 7, finally fall into and accomodate the inslot 17, thereby the probability that the staff were scalded to the high temperature copper bits has been reduced, the collection work to the high temperature copper bits has been realized simultaneously, the staff of being convenient for is to the recycle of the copper bits of collection.
As shown in fig. 2 and 4, a filter cavity 20 is formed in one side of the accommodating groove 17 close to the arc-shaped baffle 18, the top of the filter cavity 20 is communicated with the middle of the accommodating groove 17, an equipment cavity 21 is formed in one side of the top surface of the base 1 close to the arc-shaped baffle 18, a water pump 22 is fixedly connected to the inside of the equipment cavity 21, a cover plate is bolted to the top of the equipment cavity 21, a water pumping pipe 23 is fixedly connected to the top of the filter cavity 20, the top end of the water pumping pipe 23 is communicated with the water inlet end of the water pump 22, the water outlet end of the water pump 22 is communicated with a water outlet pipe 24, a water tank 25 is formed in the arc-shaped baffle 18, the bottom end of the water tank 25 is communicated with the top end of the water outlet pipe 24, a plurality of hollow water spraying rods 26 are fixedly connected to the inner arc-shaped baffle 18, the hollow water spraying rods 26 are communicated with the water tank 25, clean water is filled in the accommodating groove 17, the liquid level of the clean water is higher than the top surface of the filter cavity 20, and is lower than the bottom surface of the cutting groove 7; when the copper scrap cutting machine 2 works, clear water is added into the accommodating groove 17, the liquid level of the clear water is located between the bottom surface of the cutting groove 7 and the top surface of the filter cavity 20, the clear water in the accommodating groove 17 flows into the filter cavity 20, the water pump 22 pumps out the clear water in the filter cavity 20 through the water pumping pipe 23 and then is added into the water tank 25 through the water outlet pipe 24, the clear water is sprayed out through the hollow water spray rod 26, the sprayed clear water falls into the cutting groove 7, when the saw blade of the cutting machine 2 cuts a copper ingot 8, the sprayed clear water cools the saw blade of the cutting machine 2 at the moment, the probability that the saw blade of the cutting machine 2 is damaged due to high temperature is reduced, meanwhile, the temperature of high-temperature copper scrap brought out by the clear water is reduced, and when the copper scrap flies into the arc-shaped baffle 18, the copper scrap is blocked by the hollow water spray rod 26, and the probability that the copper scrap splashes is reduced; the piece of high temperature falls into and accomodates the inside back of groove 17, is accomodate the clear water cooling in the groove 17, and the copper scraps sinks to accomodate the bottom of groove 17 for the top of clear water keeps clean, thereby makes the clear water in the filter chamber 20 keep clean state, has reduced water pump 22 because of the probability that the copper scraps of inhaling broke down, has improved the cyclic utilization ratio of clear water simultaneously.
As shown in fig. 4, a plurality of through holes 27 are formed at the bottom of the hollow water spraying rod 26, and an asbestos rope 28 is fixedly connected inside the through holes 27; high temperature copper fillings that cutting machine 2 taken out fly into arc baffle 18 in the back, the copper fillings fly to the asbestos rope 28 on, are blockked by asbestos rope 28, have further reduced the copper fillings and have received the probability that the striking takes place to splash, and the clear water in the hollow spray rod 26 flows down along asbestos rope 28 simultaneously, brings the copper fillings on asbestos rope 28 surface into in accomodating the groove 17 to the rate of recovery of copper fillings has been improved.
As shown in fig. 2 and 5, a collecting basket 29 is slidably mounted at the bottom of the accommodating groove 17, a plurality of mesh plates 30 are fixedly connected inside the collecting basket 29, a plurality of inclined plates 31 are fixedly connected to both sides of each mesh plate 30, an L-shaped plate 32 is fixedly connected to the top surface of the filtering chamber 20, a plurality of holes are formed in the bottom surface of the L-shaped plate 32, and the top surface of the bottom of the L-shaped plate 32 is located at the bottom of the bottom end of the water pumping pipe 23; when the collecting basket works, the collecting basket 29 is placed in the accommodating groove 17, copper scraps falling into the accommodating groove 17 are precipitated in clear water and fall into the accommodating groove 17, and the copper scraps are separated by the mesh plate 30, so that the flowing probability of the copper scraps along with the clear water is reduced, meanwhile, the flowing speed of the clear water is reduced by the inclined plates 31, the moving probability of the copper scraps is further reduced, and the probability of the copper scraps entering the filter cavity 20 is reduced; through the L-shaped plate 32, the flowing speed of water flow in the filter cavity 20 is improved, the probability that copper scraps at the bottom of the filter cavity 20 are raised is blocked, and therefore the probability that the water pump 22 breaks down due to the fact that the water pump sucks the copper scraps is further reduced.
Example two
As shown in fig. 6, a first comparative example, in which another embodiment of the present invention is: a pair of support rods 33 is fixedly connected to one side, close to the filter cavity 20, of the collecting basket 29, an arc-shaped plate 34 is rotatably mounted at the top between the support rods 33 at the two sides, the arc-shaped plate 34 is located on the outer side of the joint of the filter cavity 20 and the accommodating groove 17, a connecting rope 35 is fixedly connected between the tops of the adjacent mesh plates 30, and the bottoms of the arc-shaped plates 34 are fixedly connected with the tops of the adjacent mesh plates 30 through the connecting rope 35; the during operation, put into when collecting basket 29 and accomodate groove 17 back, make the arc 34 cover in the filter chamber 20 and the outside of accomodating the junction of groove 17, block the probability that the copper scraps that fall into in the filter chamber 20, when water pump 22 during operation, make the clear water flow direction filter chamber 20 of accomodating in the groove 17, drive arc 34 and take place vibrations, through the pulling of connecting rope 35, make the mesh plate 30 take place to shake, the copper scraps that will fall on swash plate 31 surface shake off, thereby further improved the precipitation efficiency of copper scraps.
When in work: placing the collecting basket 29 into the bottom of the accommodating groove 17, adding clean water into the accommodating groove 17 to ensure that the liquid level of the clean water is positioned between the bottom surface of the cutting groove 7 and the top surface of the filter cavity 20, and the clean water in the accommodating groove 17 flows into the filter cavity 20;
after a copper ingot 8 made of copper alloy is manufactured, when the manufactured copper ingot 8 needs to be detected, one copper ingot 8 is taken out, two sides of the copper ingot 8 are respectively placed in an arc groove on the top surface of a sliding block 10 and an arc groove on the top surface of an arc groove guide block 12, a clamping block 11 is fixed to the top surface of the sliding block 10 through bolts, the copper ingot 8 is fixedly locked through the clamping block 11 and the sliding block 10 in a matching mode, a worker pushes the clamping block 11 to drive the sliding block 10 to slide along a guide rail 9, pushes the copper ingot 8 to slide along the arc groove guide block 12, so that the end of the copper ingot 8 is in contact with a push plate 4, the copper ingot 8 is continuously pushed, the push plate 4 is pushed to slide along a sliding rail 3, a spring 5 is compressed, the push plate 4 drives a pointer 6 to slide, the pointer 6 slides along scales, and the worker indicates the scales from the pointer 6 to determine the size length to be cut of the copper ingot 8; a piston rod of the hydraulic cylinder 13 is pushed out, a sliding rod 16 is pushed to slide along the straight groove 15, the pushing beam 14 is pushed to rotate and rise, the cutting machine 2 is driven to rotate along the hinged position, and a saw blade of the cutting machine 2 is enabled to cut the copper ingot 8 downwards; therefore, the workers can conveniently carry out comparison detection for many times, and the detection accuracy of the copper ingot 8 is improved;
the water pump 22 pumps out the clean water in the filter cavity 20 through the water pumping pipe 23, the clean water is added into the water tank 25 through the water outlet pipe 24, the clean water is sprayed out through the hollow water spraying rod 26, the sprayed clean water falls into the cutting groove 7, and the clean water in the hollow water spraying rod 26 flows down along the asbestos rope 28;
when the saw blade of the cutting machine 2 cuts the copper ingot 8, the sprayed clean water cools the saw blade of the cutting machine 2, the probability that the saw blade of the cutting machine 2 is damaged due to high temperature is reduced, meanwhile, the temperature of high-temperature copper scraps taken out by the cutting machine 2 is reduced by the clean water, when the copper scraps fly to the inner part of the arc-shaped baffle plate 18, the copper scraps are blocked by the hollow water spraying rod 26, the copper scraps fly to the asbestos rope 28 and are blocked by the asbestos rope 28, the probability that the copper scraps splash due to impact is reduced, and meanwhile, the clean water in the hollow water spraying rod 26 flows down along the asbestos rope 28 to bring the copper scraps on the surface of the asbestos rope 28 into the accommodating groove 17;
the copper scraps falling into the accommodating groove 17 are precipitated in clear water and fall into the accommodating groove 17, the copper scraps are separated by the mesh plate 30, and meanwhile, the flow speed of the clear water is reduced by the inclined plates 31, so that the probability that the copper scraps flow along with the clear water is reduced; the top of the clean water is kept clean, so that the clean water in the filter cavity 20 is kept in a clean state, the probability of the water pump 22 breaking down due to the fact that copper scraps are sucked is reduced, and meanwhile the recycling rate of the clean water is improved.
The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and so on.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are merely intended to facilitate the description of the present invention and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the scope of the present invention.
The foregoing shows and describes the general principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A manufacturing method of lead-free DR dezincification-resistant copper alloy is characterized in that: the lead-free DR dezincification-resistant copper alloy consists of the following raw materials:
the manufacturing method comprises the following steps:
s1: putting the raw materials into an electric furnace according to a proportion for complete smelting, wherein electrolytic copper, bright copper wire and brass rim charge are used as copper, and a modifier and a degassing and deslagging agent are added in the smelting process to remove furnace ash and filter residues;
s2: after the raw materials are melted, taking out a copper water sample, sending the copper water sample to a laboratory spectrometer for testing chemical components in the copper water, and simultaneously carrying out metallographic detection; according to the components of the assay, supplementing the raw materials which are not required, and then continuing to smelt until the raw materials are completely melted to remove ash;
s3: casting the molten copper through a full-automatic chain iron mold to prepare a copper ingot; or transferring the molten copper into an induction heat-preservation electric furnace for heat-preservation smelting, performing horizontal continuous casting, and performing polishing and straightening to prepare a copper ingot;
s4: carrying out saw cutting and polishing detection on the manufactured copper ingot, and warehousing and storing the qualified copper ingot;
the manufacturing method adopts the following manufacturing and producing equipment, wherein the manufacturing and producing equipment comprises a base (1), a cutting machine (2), a sliding rail (3), a push plate (4), a spring (5) and a pointer (6); the cutting machine is characterized in that a cutting machine (2) is hinged to one side of the top surface of the base (1), a cutting groove (7) is formed in the top surface of the base (1), the inner wall of the cutting groove (7) is sleeved on the outer side of a saw blade of the cutting machine (2), a pair of sliding rails (3) is fixedly connected to the top surface of the base (1), one ends of the pair of sliding rails (3) are in contact with the side face of the cutting groove (7), the direction of the sliding rails (3) is perpendicular to the rotating direction of the cutting machine (2), a push plate (4) is slidably mounted between the sliding rails (3) on two sides, a spring (5) is fixedly connected between the bottoms of two sides of the push plate (4) and one end, far away from the cutting groove (7), of the sliding rail (3), a pointer (6) is fixedly connected to one side of the push plate (4) close to the sliding rails (3), the bottom surface of the pointer (6) is in sliding fit with the top surface of the sliding rails (3), the top surface of the sliding rails (3) is provided with scales, a copper ingot (8) is placed on the top surface of the base (1), and the copper ingot (8) is located in sliding fit with the middle of the end of the cutting groove (7);
the copper ingot cutting machine is characterized in that a pair of guide rails (9) is fixedly connected to the top surface of the base (1), one ends of the pair of guide rails (9) are in contact with the side surfaces of the cutting groove (7), the direction of the guide rails (9) is perpendicular to the rotating direction of the cutting machine (2), the guide rails (9) and the slide rail (3) are symmetrical about the cutting groove (7), a sliding block (10) is slidably mounted at the top of each guide rail (9) on two sides, a clamping block (11) is mounted on the top of the sliding block (10) through a bolt, arc grooves are formed in the bottom surface of the clamping block (11) and the top surface of the sliding block (10), a copper ingot (8) is clamped between the bottom surface of the clamping block (11) and the top surface of the sliding block (10), a pair of arc groove guide blocks (12) is fixedly connected to the top surface of the base (1), the arc groove guide blocks (12) on two sides are located on two sides of the cutting groove (7), and the arc groove guide blocks (12) on two sides are fixedly connected with the guide rails (9) and the slide rail (3) respectively;
the cutting machine is characterized in that a containing groove (17) is formed in the bottom surface of the cutting groove (7), an arc-shaped baffle plate (18) is fixedly connected to the outer side of a narrow edge on one side of the cutting groove (7), a straight baffle plate (19) is fixedly connected to the outer side of a narrow edge on the other side of the cutting groove (7), the cross sections of the arc-shaped baffle plate (18) and the straight baffle plate (19) are U-shaped, and the outer side of a saw blade of the cutting machine (2) is sleeved between the arc-shaped baffle plate (18) and the straight baffle plate (19);
accomodate one side that groove (17) is close to cowl (18) and seted up filter chamber (20), the top of filter chamber (20) and the middle part intercommunication of accomodating groove (17), equipment chamber (21) have been seted up to one side that the top surface of base (1) is close to cowl (18), the inside rigid coupling of equipment chamber (21) has water pump (22), the top bolt apron of equipment chamber (21), the top rigid coupling of filter chamber (20) has drinking-water pipe (23), the top of drinking-water pipe (23) communicates the end of intaking of water pump (22), the water outlet end intercommunication of water pump (22) has outlet pipe (24), basin (25) have been seted up to the inside of cowl (18), the top of the bottom intercommunication outlet pipe (24) of basin (25), the inside cambered surface rigid coupling of cowl (18) has a plurality of hollow spray bars (26), hollow spray bar (26) intercommunication basin (25), the filling has the clear water in the inside of accomodating groove (17), the liquid level of filter chamber (20) is higher than the clear water of filter chamber, and the clear water level (7) of cutting groove is less than.
2. The method for manufacturing the lead-free DR dezincification-resistant copper alloy according to claim 1, wherein: base (1) is close to one side bottom rigid coupling of cutting machine (2) articulated position and has pneumatic cylinder (13), the equal rigid coupling in top both sides of cutting machine (2) articulated position has crossbeam (14), both sides straight flute (15), both sides slidable mounting has slide bar (16) between straight flute (15), the outer lane middle part of slide bar (16) is connected with the piston rod top rotation of pneumatic cylinder (13).
3. The method for preparing a lead-free DR dezincification-resistant copper alloy as claimed in claim 1, wherein: the bottom of the hollow water spraying rod (26) is provided with a plurality of through holes (27), and asbestos ropes (28) are fixedly connected inside the through holes (27).
4. The method for preparing a lead-free DR dezincification-resistant copper alloy as claimed in claim 1, wherein: accomodate the bottom slidable mounting of groove (17) and have collection basket (29), the inside rigid coupling of collecting basket (29) has a plurality of mesh boards (30), the equal rigid coupling in both sides of mesh board (30) has a plurality of swash plates (31), the top surface rigid coupling of rose chamber (20) has L shaped plate (32), a plurality of holes have been seted up to the bottom surface of L shaped plate (32), the bottom top surface of L shaped plate (32) is located the bottom of drinking-water pipe (23).
5. The method for preparing the lead-free DR dezincification-resistant copper alloy as claimed in claim 4, wherein: collect one side rigid coupling that basket (29) is close to filter chamber (20) and have a pair of bracing piece (33), both sides the top is rotated between bracing piece (33) and is installed arc (34), arc (34) are located filter chamber (20) and the outside of accomodating the junction of groove (17), and are adjacent the rigid coupling has between the top of mesh board (30) to connect rope (35), through connecting rope (35) rigid coupling between the bottom of arc (34) and the top of the mesh board (30) that is close to mutually.
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