CN111575774A - Barrel plating equipment for metal part machining and barrel plating process thereof - Google Patents
Barrel plating equipment for metal part machining and barrel plating process thereof Download PDFInfo
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- CN111575774A CN111575774A CN202010394611.4A CN202010394611A CN111575774A CN 111575774 A CN111575774 A CN 111575774A CN 202010394611 A CN202010394611 A CN 202010394611A CN 111575774 A CN111575774 A CN 111575774A
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- 239000002184 metal Substances 0.000 title claims abstract description 98
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 98
- 238000000034 method Methods 0.000 title claims abstract description 32
- 230000008569 process Effects 0.000 title claims abstract description 23
- 238000003754 machining Methods 0.000 title claims description 12
- 238000003780 insertion Methods 0.000 claims description 33
- 230000037431 insertion Effects 0.000 claims description 33
- 238000002791 soaking Methods 0.000 claims description 22
- 238000001179 sorption measurement Methods 0.000 claims description 20
- 238000009713 electroplating Methods 0.000 claims description 15
- 239000013527 degreasing agent Substances 0.000 claims description 13
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 12
- 238000004140 cleaning Methods 0.000 claims description 12
- 238000005237 degreasing agent Methods 0.000 claims description 12
- 238000005554 pickling Methods 0.000 claims description 12
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 10
- 238000005238 degreasing Methods 0.000 claims description 10
- 238000002161 passivation Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 8
- 238000007598 dipping method Methods 0.000 claims description 6
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 5
- 229910017604 nitric acid Inorganic materials 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 230000003213 activating effect Effects 0.000 claims description 3
- 230000004913 activation Effects 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000005246 galvanizing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 15
- 235000017491 Bambusa tulda Nutrition 0.000 description 15
- 241001330002 Bambuseae Species 0.000 description 15
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 15
- 239000011425 bamboo Substances 0.000 description 15
- 239000007788 liquid Substances 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 238000005096 rolling process Methods 0.000 description 9
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- 230000008859 change Effects 0.000 description 2
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- 239000011248 coating agent Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
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- 230000005540 biological transmission Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
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- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
- C25D17/16—Apparatus for electrolytic coating of small objects in bulk
- C25D17/18—Apparatus for electrolytic coating of small objects in bulk having closed containers
- C25D17/20—Horizontal barrels
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
- C25D17/007—Current directing devices
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/22—Electroplating: Baths therefor from solutions of zinc
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/34—Pretreatment of metallic surfaces to be electroplated
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/48—After-treatment of electroplated surfaces
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F1/00—Electrolytic cleaning, degreasing, pickling or descaling
- C25F1/02—Pickling; Descaling
- C25F1/04—Pickling; Descaling in solution
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
The invention relates to the technical field of galvanized metal parts, in particular to barrel plating equipment for processing metal parts and a barrel plating process thereof. The method has the effect of improving the quality of the finished product of the metal piece barrel plating.
Description
Technical Field
The invention relates to the technical field of galvanized metal parts, in particular to barrel plating equipment for processing metal parts and a barrel plating process thereof.
Background
Barrel plating, namely barrel electroplating, is an electroplating processing mode which is to place a certain number of small parts in a special barrel and deposit various metal or alloy coatings on the surfaces of the parts in an indirect conduction mode under a rolling state so as to achieve the purposes of surface protection and decoration and various functions.
The biggest difference between barrel plating and rack plating is that the barrel is used, and the barrel is a material containing device which bears small parts and is plated in the process of continuously rolling. The typical drum is hexagonal prism shaped and is placed horizontally. One side of the wall plate of the roller is provided with an opening, a certain amount of small parts are loaded into the roller from the opening during electroplating, and then the roller door is covered to seal the opening. The wall plate of the roller is full of a plurality of small holes, and the conduction of current between the part and the anode, the renewal of solution inside and outside the roller, the discharge of waste gas and the like need to pass through the small holes during electroplating. The cathode conducting device in the roller penetrates out of central shaft holes at two sides of the roller through copper wires or rods and then is respectively fixed on the conducting foot rests of the left wall plate and the right wall plate of the roller. The parts are naturally connected with the cathode conducting device in the roller under the action of self gravity.
The barrel plating equipment in the prior art comprises horizontal barrel plating, inclined barrel plating and vibration plating, wherein the horizontal barrel plating is most widely applied in barrel plating production due to the advantages of high labor production efficiency, good plated part surface quality, wide applicable part range and the like, and is a mastership for electroplating and processing small parts, wherein a gantry barrel plating production line is a main device for electroplating and processing the small parts in a large batch in a factory.
For example, chinese patent with application number CN201920148146.9 discloses an electroplating production line, in which a barrel plating frame and a roller constitute an independent assembly movably disposed in an electroplating bath, and a bracket is disposed on the top of the assembly, so that the gantry can transfer a barrel plating mechanism through the bracket, and meanwhile, the electroplating tank and the barrel plating frame are provided with transmission teeth movably engaged with each other, so that the separation and combination are facilitated, and the rotation operation of the roller is not affected after the combination; the second driving device, the third driving device and the fourth driving device are electrically controlled to automatically transfer and convey the articles.
The above prior art solutions have the following drawbacks: the plating solution in the existing barrel plating pool has no flowability or poor flowability, so that the concentration of the plating solution at each position in the barrel plating pool is uneven, the electroplating effect is influenced, and the finished product quality of the metal piece is seriously influenced.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide barrel plating equipment for processing metal pieces so as to improve the uniformity of plating solution in a barrel plating tank and further improve the quality of finished metal pieces.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides a barrel-plating equipment for metalworking, includes the barrel-plating pond, still including set up in a plurality of barrel-plating section of thick bamboo in the barrel-plating pond, set up in be used for in the barrel-plating pond to drive a plurality of barrel-plating section of thick bamboo and carry out rolling drive arrangement, be used for promoting or place along barrel-plating pond hoop the grabbing device of barrel-plating section of thick bamboo.
Through adopting above-mentioned technical scheme, under the barrel plating pond, barrel plating section of thick bamboo, drive arrangement and grabbing device's cooperation, the staff will weigh the piece of being plated and pack into a plurality of barrel plating section of thick bamboo, and through grabbing device with barrel plating section of thick bamboo lead to one-by-one place in barrel plating pond and form the cooperation with drive arrangement, restart drive arrangement, make a plurality of barrel plating section of thick bamboo roll around barrel plating pond ring, thereby make a plurality of barrel plating section of thick bamboo at rolling in-process, not only accomplish the upset to metal part in the barrel plating section of thick bamboo, and stir the plating solution in the barrel plating pond, make the plating solution in the barrel plating pond constantly keep the comparatively even state of concentration in the in-process of carrying out the electroplating, thereby promote the finished product quality of metal part, and to the plating solution make full use of barrel plating in the pond, reduce extravagant phenomenon.
The present invention in a preferred example may be further configured to: the driving device comprises a crown gear horizontally arranged on the bottom surface of the barrel plating tank, a driving shaft arranged in the barrel plating tank and coaxial with the crown gear, a driving motor connected to the driving shaft, and a driving bevel gear fixedly connected to the driving shaft, wherein two ends of the barrel plating cylinder are fixedly connected with a fixed gear and a driven bevel gear respectively, the fixed gear and the driven bevel gear are coaxially arranged with the barrel plating cylinder, the fixed gear is meshed with the crown gear, and the driven bevel gear is meshed with the driving bevel gear.
By adopting the technical scheme, the crown gear and the driving bevel gear are respectively matched with the fixed gear and the driven bevel gear, after the barrel plating barrel is grabbed by the grabbing device, the barrel plating barrel is placed in the barrel plating pool, the fixed gear is meshed with the crown gear to support one end of the barrel plating barrel, the driven bevel gear is meshed with the driving bevel gear to support the other end of the barrel plating barrel, and when the barrel plating process is started, the driving bevel gear is driven to rotate through the driving shaft by starting the driving motor, so that the barrel plating barrel rotates and revolves around the driving shaft in the circumferential direction, and the planetary rolling effect of the plurality of barrel plating barrels is achieved.
The present invention in a preferred example may be further configured to: grabbing device including set up in pneumatic cylinder, fixed connection in the barrel-plating pond one side the fixed axle, the rotation of the piston rod tip of pneumatic cylinder connect in the fixed axle just follows the radial bracing piece, the fixed connection in of extending of fixed axle the rotation motor of bracing piece one end, fixed connection in rotate epaxial driving gear of output of motor, fixed connection in on the fixed axle and with driving gear meshing's driven gear, fixed connection in the bracing piece for rotate the one end of motor and downwardly extending's connecting rod, fixed connection in the electro-magnet of connecting rod bottom, all be provided with the adsorption block on the barrel-plating section of thick bamboo.
Through adopting above-mentioned technical scheme, at the pneumatic cylinder, the fixed axle, the bracing piece, the rotation motor, the driving gear, driven gear and electro-magnet's cooperation is down, realize going up and down to the electro-magnet and rotate, go up and down, need snatch a barrel plating section of thick bamboo when the staff, when placing, it rotates to drive the driving gear through control rotation motor and rotates, thereby the drive bracing piece rotates, make the electro-magnet rotate to barrel plating pond top, control pneumatic cylinder drops this moment, make the electro-magnet be close to the position of barrel plating section of thick bamboo, when barrel plating section of thick bamboo rolls to the position of electro-magnet, start the electro-magnet, make the electro-magnet snatch the adsorption block through magnetic force, and control pneumatic.
The present invention in a preferred example may be further configured to: the barrel-plating device is characterized in that a first connecting plate and a second connecting plate are respectively and rotatably connected to two ends of the barrel-plating cylinder, a plurality of reinforcing rods are fixedly connected between the first connecting plate and the second connecting plate, the first connecting plate is far away from a connecting block fixedly connected to the surface of the barrel-plating cylinder, an insertion groove is formed in the bottom surface of the connecting block and penetrates through the connecting block in the horizontal direction, and a coaxially arranged insertion ring is fixedly connected to the top surface of the barrel-plating tank and the driving shaft.
By adopting the technical scheme, under the matching of the insertion groove and the insertion ring, when the barrel plating cylinder is put down by the grabbing device, the insertion groove corresponds to the insertion ring, so that when the barrel plating cylinder descends, the insertion ring is correspondingly inserted into the insertion groove, and therefore when the driving bevel gear drives the driven bevel gear to rotate, the radial relative position of the barrel plating cylinder relative to the driving bevel gear is limited by the insertion ring, the condition that the barrel plating cylinder deviates is reduced, the condition that the barrel plating cylinder deviates from the radial direction of the driving bevel gear when driven by the driving bevel gear is reduced, and the stability of the barrel plating cylinder in the operation process is improved.
The present invention in a preferred example may be further configured to: the inner walls of two sides of the insertion groove are respectively provided with a plurality of idler wheels, and the idler wheels of the two sides of the insertion ring inserted in the insertion groove are respectively abutted against the two side walls of the insertion ring.
By adopting the technical scheme, the rollers are arranged on the two side walls of the insertion groove, and after the insertion ring is inserted into the insertion groove, the rollers on the two sides are respectively abutted against the two side walls of the insertion ring, so that the sliding friction is converted into the rolling friction, the energy loss of the barrel plating cylinder during operation is reduced, and the production cost is reduced.
The present invention in a preferred example may be further configured to: the barrel-plating device comprises a barrel-plating tank, a first contact piece and a second contact piece, wherein the barrel-plating tank is internally provided with a first conducting ring and a second conducting ring which are coaxial, the two ends of the barrel-plating tank are respectively provided with the first contact piece and the second contact piece, and the barrel-plating tank is internally provided with an anode terminal and a cathode terminal which are connected with the first contact piece and the second contact piece.
By adopting the technical scheme, the first conducting ring and the second conducting ring are respectively matched with the first contact element and the second contact element, when the barrel plating cylinder is placed in the barrel plating pool, the first contact element is in contact with the first conducting ring, the second contact element is in conductive contact with the second contact element, so that the anode terminal and the cathode terminal are respectively connected with the first conducting ring and the second conducting ring, when the barrel plating cylinder starts to run and needs to be electroplated, the first conducting ring and the second conducting ring are respectively electrified, so that the barrel plating cylinder generates current between the anode terminal and the cathode terminal in the rolling process, and electroplating solution is electrolyzed.
The present invention in a preferred example may be further configured to: the first contact piece and the second contact piece are respectively and elastically arranged at two ends of the barrel plating barrel along the radial direction of the barrel plating barrel.
By adopting the technical scheme, the first contact element and the second contact element are respectively and elastically connected to the barrel plating barrel so as to compensate the axial deviation of the first contact element and the second contact element and the axial deviation of the first conducting ring and the second conducting ring along the driving shaft generated in the operation process, and the first contact element and the second contact element are always abutted against the first conducting ring and the second conducting ring, so that the current generated between the anode terminal and the cathode terminal is more stable, and the condition of current disconnection is reduced.
The present invention in a preferred example may be further configured to: the electromagnet is in a frustum shape with a smaller cross section and one end below, and the top surface of the adsorption block is provided with an adsorption groove matched with the electromagnet.
Through adopting above-mentioned technical scheme, when the electro-magnet adsorbs the absorption piece, through the guide effect on the inclined plane of frustum shape, make the absorption piece when moving towards the electro-magnet, change and make the electro-magnet peg graft in the adsorption tank to make the electro-magnet adsorb behind the absorption piece between the two be connected more stable, and difficult messenger barrel-plating takes place the condition that deflects after being mentioned.
The invention also aims to provide a barrel plating process for processing metal parts.
The above object of the present invention is achieved by the following technical solutions:
the method specifically comprises the following steps: s1: primary pickling, namely pickling the metal piece by dipping the metal piece into sulfuric acid solution; s2: degreasing, namely soaking the metal piece in a degreasing agent for degreasing; s3: secondary pickling, namely pickling the metal piece by soaking the metal piece in hydrochloric acid solution; s4: electrolytic cleaning, namely soaking the metal piece in electrolytic cleaning solution for electrolytic cleaning; s5: galvanizing, namely performing barrel plating on a metal piece by using the barrel plating equipment and plating solution; s6: activating, namely soaking the metal piece in nitric acid solution for activation treatment; s7: passivating, namely soaking the metal piece in a passivation solution for passivation treatment; s8: dehydrating the metal piece; s9: the metal piece is dried.
By adopting the technical scheme, firstly, rust and oxides on the surface of the metal piece are removed through sulfuric acid solution, then, greasy dirt on the surface of the metal piece is removed through a degreasing agent, then, surface oxide leather membrane and deep oxide leather membrane in the surface of the metal piece are respectively removed through hydrochloric acid solution and electrolytic cleaning solution, so that the metal piece is in a relatively clean state, then, the metal piece is electroplated through plating solution and barrel plating equipment, so that a plating layer is coated on the surface of the metal piece, then, the plating layer on the surface of the metal piece is activated through nitric acid solution, so that the physical property of the plating layer on the surface of the metal piece is improved, then, a passivation leather membrane is formed on the surface of the metal piece through passivation solution, the corrosion resistance of the metal piece is improved.
The present invention in a preferred example may be further configured to: and after the passivation step, dipping the metal piece into passivation solution for sealing treatment.
By adopting the technical scheme, the surface of the metal piece is subjected to sealing treatment to seal the gap of the surface involucra of the metal piece, so that the corrosion resistance and the insulativity of the metal piece are further improved, and the attractiveness of the surface of the metal piece is improved.
In summary, the invention includes at least one of the following beneficial technical effects:
1. under the cooperation of the barrel plating tank, the barrel plating cylinder, the driving device and the grabbing device, the plating solution in the barrel plating tank is kept in a state of uniform concentration all the time in the electroplating process, so that the quality of finished metal parts is improved, the plating solution in the barrel plating tank is fully utilized, and the waste phenomenon is reduced.
2. Under the matching of the inserting groove and the inserting ring, when the driving bevel gear drives the driven bevel gear to rotate, the radial relative position of the barrel plating barrel relative to the driving bevel gear is limited by the inserting ring, so that the condition that the barrel plating barrel deviates is reduced, the condition that the barrel plating barrel deviates from the radial direction of the driving bevel gear when driven by the driving bevel gear is reduced, and the stability of the barrel plating barrel in the operation process is improved.
3. The first contact piece and the second contact piece are respectively and elastically connected to the barrel plating barrel, and the first contact piece and the second contact piece are always abutted to the first conducting ring and the second conducting ring, so that the current generated between the anode terminal and the cathode terminal is more stable, and the condition of current disconnection is reduced.
Drawings
FIG. 1 is a schematic view of the overall structure in the first embodiment;
FIG. 2 is a schematic view showing the overall structure of a barrel plating barrel according to one embodiment;
FIG. 3 is a schematic view showing the overall structure of a barrel plating bath and a driving device in accordance with one embodiment;
FIG. 4 is an overall sectional view of the barrel plating bath and the driving device in the first embodiment.
FIG. 5 is an overall sectional view of a barrel plating barrel according to one embodiment;
FIG. 6 is an enlarged partial schematic view of portion A of FIG. 5;
FIG. 7 is an enlarged partial view of portion B of FIG. 5;
FIG. 8 is a schematic view showing the overall structure of a grasping apparatus according to one embodiment;
fig. 9 is an overall sectional view of a grasping apparatus according to one embodiment.
Reference numerals: 1. a barrel plating tank; 2. barrel plating cylinder; 3. a drive device; 4. a gripping device; 5. a first connecting plate; 6. a second connecting plate; 7. a reinforcing bar; 8. an adsorption block; 9. a bearing; 10. a gantry; 11. a drive shaft; 12. a drive motor; 13. a speed reducer; 14. a driving bevel gear; 15. a crown gear; 16. fixing a gear; 17. a driven bevel gear; 18. connecting blocks; 19. inserting grooves; 20. a roller; 21. a plug-in ring; 22. a first conductive ring; 23. a fixing ring; 24. a second conductive ring; 25. a first contact member; 26. a second contact member; 27. an anode terminal; 28. a cathode terminal; 29. a first conductive line; 30. a conductive block; 31. perforating; 32. a spring; 33. a second conductive line; 34. fixing the rod; 35. a connecting ring; 36. a cathode conducting ring; 37. a support block; 38. a hydraulic cylinder; 39. a fixed shaft; 40. a support bar; 41. rotating the motor; 42. a driving gear; 43. a driven gear; 44. a connecting rod; 45. an electromagnet; 46. an adsorption tank; 47. and rotating the shaft.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows:
referring to fig. 1, the barrel plating equipment for metal part processing disclosed by the invention comprises a barrel plating pool 1, a barrel plating cylinder 2, a driving device 3 and a grabbing device 4.
Barrel-plating pond 1 is circular and the interval is provided with a plurality of, the liquid that is used for carrying out the processing to the metalwork such as degreaser or washing liquid or plating bath has been placed in proper order according to the technology order in every barrel-plating pond 1, drive arrangement 3 one-to-one barrel-plating pond 1 is provided with a plurality of, barrel-plating section of thick bamboo 2 all is provided with a plurality of in every barrel-plating pond 1, grabbing device 4 is provided with a plurality of, and a plurality of grabbing device 4 sets up the position between per two adjacent barrel-plating ponds 1 respectively, a barrel-plating section of thick bamboo 2 for in every two barrel-plating ponds 1 shifts.
Referring to fig. 2, the barrel plating cylinder 2 is a hollow hexagonal prism, and a plurality of small holes (not shown in the figure) communicated with the inside are uniformly formed in the surface of the barrel plating cylinder 2, a first connecting plate 5 and a second connecting plate 6 are symmetrically arranged on two sides of the barrel plating cylinder 2 respectively, two reinforcing rods 7 arranged in parallel are fixedly connected to the positions, close to the top, of the opposite surfaces of the first connecting plate 5 and the second connecting plate 6, and adsorption blocks 8 are fixedly connected to the two reinforcing rods 7.
Two ends of the barrel-plating barrel 2 are respectively and fixedly connected with a rotating shaft 47 which is coaxial with the axis of the barrel-plating barrel, two ends of the barrel-plating barrel 2 are respectively and rotatably supported between the first connecting plate 5 and the second connecting plate 6 through the rotating shaft 47, and bearings 9 (shown in fig. 5) are arranged between the two rotating shafts 47 and the first connecting plate 5 and the second connecting plate 6.
Referring to fig. 3 and 4, the driving device 3 includes a portal frame 10 installed at the top end of the barrel plating tank 1, a driving shaft 11 rotatably connected to the portal frame 10 and coaxially disposed with the barrel plating tank 1, a driving motor 12 fixedly connected to the portal frame 10, a speed reducer 13 fixedly connected to the portal frame 10 and connected between the driving motor 12 and the driving shaft 11, a driving bevel gear 14 fixedly connected to the bottom end of the driving shaft 11, and a crown gear 15 fixedly connected to the bottom surface inside the barrel plating tank 1 and coaxially disposed with the driving shaft 11.
Referring to fig. 2 and 5, a fixed gear 16 coaxially arranged with a rotating shaft 47 is fixedly connected to the surface of the barrel plating barrel 2 close to the first connecting plate 5, the lower end of the fixed gear 16 extends out of the lower side of the first connecting plate 5, one end of the rotating shaft 47 of the barrel plating barrel 2 close to the second connecting plate 6, which is far away from the barrel plating barrel 2, penetrates through the second connecting plate 6 and is fixedly connected with a driven bevel gear 17, when the gripping device 4 places the barrel plating barrel 2 in the barrel plating tank 1, the fixed gear 16 and the driven bevel gear 17 are respectively meshed with a crown gear 15 and a driving bevel gear 14 (the teeth in the driving bevel gear 14, the crown gear 15, the fixed gear 16 and the driven bevel gear 17 are not shown), and the barrel plating barrel 2 is in a state with a horizontal axis at.
Referring to fig. 6, in order to stabilize the operating state of the barrel plating barrel 2, the first connecting plate 5 is far away from the connecting block 18 fixedly connected to the surface of the barrel plating barrel 2, the insertion groove 19 is formed in the bottom surface of the connecting block 18, the insertion groove 19 penetrates through the connecting block 18 in the horizontal direction, two rollers 20 are respectively arranged on the inner walls of two sides of the insertion groove 19, the two rollers 20 are arranged along the horizontal direction, the top surface of the barrel plating tank 1 is fixedly connected with an insertion ring 21 coaxially arranged with the barrel plating tank 1, and the rollers 20 on two sides of the insertion ring 21 are respectively abutted against two side walls of the insertion ring 21 after the insertion ring 21 is inserted into the insertion.
When the barrel plating barrel 2 is placed in the barrel plating tank 1 by the grabbing device 4, the inserting-connecting groove 19 corresponds to the inserting-connecting ring 21, so that when the barrel plating barrel 2 descends, the inserting-connecting ring 21 is correspondingly inserted into the inserting-connecting groove 19, and when the driving bevel gear 14 drives the driven bevel gear 17 to rotate, the radial relative position of the barrel plating barrel 2 relative to the driving bevel gear 14 is limited by the inserting-connecting ring 21, so that the condition that the barrel plating barrel 2 deviates is reduced, the condition that the barrel plating barrel 2 deviates from the radial direction of the driving bevel gear 14 when being driven by the driving bevel gear 14 is reduced, and the stability of the barrel plating barrel 2 in the operation process is improved.
Referring to fig. 3 and 5, a first conductive ring 22 is fixedly connected to the top end of the inserting ring 21, a fixing ring 23 is fixedly connected to the bottom surface of the gantry 10, the fixing ring 23 is sleeved outside the driving shaft 11 and is coaxially arranged with the driving shaft 11, a second conductive ring 24 is fixedly connected to the bottom end of the fixing ring 23, a first contact 25 and a second contact 26 are respectively arranged at two ends of the barrel plating barrel 2, and an anode terminal 27 and a cathode terminal 28 are arranged in the barrel plating barrel 2.
Referring to fig. 5 and 6, the first contact 25 includes a first conductive wire 29 connected to the anode terminal 27, and a conductive block 30 connected to an end of the first guide wire opposite to the anode terminal 27, the conductive block 30 is disposed on the top surface of the inner wall of the insertion groove 19, a through hole 31 communicating with the inside of the barrel plating barrel 2 is formed near the rotation axis 47 of the first connection plate 5, the first conductive wire 29 passes through the through hole 31 and is finally connected to the conductive block 30 via the inside of the first connection plate 5 and the inside of the connection block 18, and a gap is formed between the first conductive wire 29 and the inner wall of the through hole 31, in order to compensate for a gap generated by the bouncing of the barrel plating barrel 2 and the first conductive ring 22 during operation, the conductive block 30 is elastically connected to the top surface of the.
Referring to fig. 3 and 7, the second contact member 26 includes a second conductive wire 33 connected to the cathode terminal 28, a fixing rod 34 fixedly connected to an end surface of the rotation shaft 47 near the second connecting plate 6, the end surface being away from the barrel plating barrel 2, a connection ring 35 disposed on the fixing rod 34, and a cathode conductive ring 36 sleeved on an outer wall of the connection ring 35, wherein the second conductive wire 33 passes through the rotation shaft 47 near the second connecting plate 6 and is finally connected to the cathode conductive ring 36 via an inside of the fixing rod 34, and a plurality of springs 32 are uniformly disposed between an inner wall of the connection ring 35 and the fixing rod 34 in order to compensate for a gap generated by the barrel plating barrel 2 jumping with the second conductive ring 24 during.
Referring to fig. 8 and 9, the grasping apparatus 4 includes a support block 37, a hydraulic cylinder 38 fixedly connected to the support block 37 and having a piston rod thereof arranged in a vertical direction, a fixed shaft 39 fixedly connected to an end of the piston rod of the hydraulic cylinder 38, a support rod 40 rotatably connected to the fixed shaft 39 and extending in a radial direction of the fixed shaft 39, a rotation motor 41 fixedly connected to one end of the support rod 40, a driving gear 42 fixedly connected to an output shaft of the rotation motor 41, a driven gear 43 fixedly connected to the fixed shaft 39 and engaged with the driving gear 42, a connecting rod 44 fixedly connected to one end of the support rod 40 opposite to the rotation motor 41 and extending downward, and an electromagnet 45 fixedly connected to a bottom end of. The fixed shaft 39 penetrates the support plate and is provided with a bearing 9 between the fixed shaft and the support plate, the rotating motor 41 is arranged on the bottom surface of the support plate, an output shaft of the rotating motor 41 penetrates the support plate, and the bearing 9 is also arranged between the output shaft of the rotating motor 41 and the support plate.
When the staff need snatch barrel 2, when placing, rotate motor 41 through the control and drive driving gear 42 and rotate, thereby drive bracing piece 40 and rotate, make electro-magnet 45 rotate to barrel plating pond 1 top, control pneumatic cylinder 38 drops this moment, make electro-magnet 45 be close to barrel plating barrel 2's position, when barrel plating barrel 2 rolls to electro-magnet 45's position, start electro-magnet 45, make electro-magnet 45 snatch adsorption block 8 through magnetic force, and control pneumatic cylinder 38 and rotation motor 41, take out barrel plating barrel 2.
For making electro-magnet 45 more stable when snatching adsorption block 8, electro-magnet 45 sets up to the quadrangular frustum of a pyramid form that the one end that the sectional area is less is under, adsorption block 8 top surface is seted up with electro-magnet 45 matched with adsorption tank 46 (shown in figure 2), when electro-magnet 45 adsorbs adsorption block 8, through the guide effect on the inclined plane of frustum form, make adsorption block 8 when moving towards electro-magnet 45, it pegs graft in adsorption tank 46 to change messenger electro-magnet 45, thereby it is more stable to make electro-magnet 45 adsorb the connection between the two behind the adsorption block 8, and difficult messenger barrel-plating 2 is being mentioned the circumstances that the back takes place to deflect.
The implementation principle of the embodiment is as follows:
a worker puts weighed plated parts into a plurality of barrel plating cylinders 2, controls a gripping device 4 to enable an electromagnet 45 to grip an adsorption block 8, places the barrel plating cylinders 2 into a barrel plating pool 1, and enables a fixed gear 16 and a crown gear 15 to be meshed so as to support one end of the barrel plating cylinders 2, a driven bevel gear 17 and a driving bevel gear 14 are meshed so as to support the other end of the barrel plating cylinders 2, when a barrel plating process is started, the driving bevel gear 14 is driven to rotate through a driving shaft 11 by starting a driving motor 12, so that the barrel plating cylinders 2 rotate and revolve around the driving shaft 11 in the circumferential direction, the effect of planetary rolling of the barrel plating cylinders 2 is achieved, the barrel plating cylinders 2 are enabled to not only turn over metal parts in the barrel plating cylinders 2 in the rolling process, but also stir plating solution in the barrel plating pool 1, and the plating solution in the barrel plating pool 1 is enabled to keep a state with uniform concentration all the time in the process of electroplating, thereby improving the quality of the finished metal piece, fully utilizing the plating solution in the barrel plating tank 1 and reducing the waste phenomenon.
After the metal piece is subjected to the barrel plating process, the gripping devices 4 are controlled to grip the barrel plating cylinders 2 one by one and place the barrel plating cylinders in the adjacent barrel plating tanks 1, and the next step of process is carried out, so that the whole barrel plating process flow can be continuously carried out, and the barrel plating efficiency of the metal piece is improved.
Example two:
the invention discloses a barrel plating process for metal part processing, which specifically comprises the following steps:
s1: pickling for the first time, namely soaking the metal piece in sulfuric acid solution for pickling, wherein the concentration of the sulfuric acid solution is controlled to be 30%, the temperature of the sulfuric acid solution is 75 ℃, and the soaking time is 5 min;
s2: degreasing, namely dipping the metal piece into a degreasing agent for degreasing, wherein the concentration of the degreasing agent is controlled to be 5%, the temperature of the degreasing agent is controlled to be 65 ℃, and the dipping time is 18min, so as to remove oil stains on the surface of the metal piece, and the degreasing agent adopts degreasing powder of the Hubei Demei science and technology Limited company with the model number DM-311B as a raw material;
s3: electrolytic degreasing, namely soaking the metal piece in a degreasing agent, and introducing current into the degreasing agent for electrolytic degreasing, so as to remove oil dirt on the surface of the metal piece, wherein the concentration of the degreasing agent is controlled to be 5%, the temperature of the degreasing agent is controlled to be 65 ℃, the current value is introduced to be 100A, and the soaking time is 6min, so as to remove the oil dirt on the surface of the metal piece, and the degreasing agent adopts degreasing powder of which the model is DM-311B of Hubei Demei science and technology Limited company as a raw material;
s4: washing for the first time, and removing the liquid of the previous working procedure on the surface of the metal piece by using clear water;
s5: performing secondary pickling, namely soaking the metal piece in hydrochloric acid solution for pickling, controlling the concentration of the hydrochloric acid solution to be 35%, and the soaking time to be 12min, so as to remove the oxide film on the upper surface of the metal piece;
s6: secondary washing, namely removing the liquid of the previous working procedure on the surface of the metal piece by using clear water;
s7: performing electrolytic cleaning, namely soaking the metal piece in electrolytic cleaning liquid, and introducing current into the electrolytic cleaning liquid for electrolytic cleaning, wherein the temperature of the electrolytic cleaning liquid is controlled to be 30 ℃, the introduced current value is 100A, and the soaking time is 6min, so as to remove a deep oxidation film on the metal piece;
s8: thirdly, washing with water, and removing the liquid of the previous working procedure on the surface of the metal piece by using clear water;
s9: galvanizing, namely performing barrel plating on the metal piece by using barrel plating equipment in the first embodiment and adopting plating solution, controlling the temperature of the plating solution to be 25 ℃, introducing a current value to be 150A, and controlling the autorotation speed of a barrel plating cylinder 2 to be 6 r/min;
s10: washing for four times, namely removing the liquid of the previous working procedure on the surface of the metal piece by using clear water;
s11: activating, namely soaking the metal piece in nitric acid solution for activation treatment, and controlling the pH value of the nitric acid solution to be 2.1 and the soaking time to be 15s so as to improve the physical performance of the surface coating of the metal piece;
s12: washing for five times, and removing the liquid of the previous process on the surface of the metal piece by using clear water;
s13: passivating, namely immersing the metal piece in a passivating solution for passivating, controlling the temperature of the passivating solution to be 30 ℃, the pH value of the passivating solution to be 2.2 and the immersion time to be 40s so as to form a passivating coating on the surface of the metal piece and improve the corrosion resistance of the metal piece;
s14: washing for six times, and removing the liquid of the previous working procedure on the surface of the metal piece by using clear water;
s15: sealing, namely soaking the metal piece in a sealing agent for sealing treatment, controlling the temperature of the sealing agent to be 42.5 ℃ and the soaking time to be 10s, so as to further improve the corrosion resistance and the insulativity of the metal piece and increase the attractiveness of the surface of the metal piece;
s16: hot water washing, namely removing liquid in a previous process on the surface of the metal piece by using hot water, and controlling the water temperature to be 75 ℃;
s17: dehydrating, namely dehydrating the metal piece;
s18: drying, namely drying the metal piece;
s19: and (6) inspecting the appearance and the film thickness of the metal piece.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (10)
1. A barrel plating equipment for metalwork processing, includes barrel plating pond (1), its characterized in that: the barrel plating device is characterized by further comprising a plurality of barrel plating cylinders (2) arranged in the barrel plating pool (1), a driving device (3) arranged in the barrel plating pool (1) and used for driving the plurality of barrel plating cylinders (2) to roll along the circumferential direction of the barrel plating pool (1), and a grabbing device (4) used for lifting or placing the barrel plating cylinders (2).
2. The barrel plating apparatus for metal part machining according to claim 1, characterized in that: the driving device (3) comprises a crown gear (15) horizontally arranged on the bottom surface of the barrel plating tank (1), a driving shaft (11) which is arranged in the barrel plating tank (1) and is coaxially arranged with the crown gear (15), a driving motor (12) connected to the driving shaft (11), and a driving bevel gear (14) fixedly connected to the driving shaft (11), wherein two ends of the barrel plating barrel (2) are respectively and fixedly connected with a fixed gear (16) and a driven bevel gear (17), the fixed gear (16) and the driven bevel gear (17) are coaxially arranged with the barrel plating barrel (2), the fixed gear (16) is meshed with the crown gear (15), and the driven bevel gear (17) is meshed with the driving bevel gear (14).
3. The barrel plating apparatus for metal part machining according to claim 1, characterized in that: the gripping device (4) comprises a hydraulic cylinder (38) arranged on one side of the barrel plating tank (1), a fixed shaft (39) fixedly connected with the end part of a piston rod of the hydraulic cylinder (38), a supporting rod (40) rotatably connected with the fixed shaft (39) and extending along the radial direction of the fixed shaft (39), and a rotating motor (41) fixedly connected with one end of the supporting rod (40), the rotary electroplating device comprises a driving gear (42) fixedly connected to an output shaft of a rotary motor (41), a driven gear (43) fixedly connected to a fixed shaft (39) and meshed with the driving gear (42), a connecting rod (44) fixedly connected to a support rod (40) and extending downwards relative to one end of the rotary motor (41), and an electromagnet (45) fixedly connected to the bottom end of the connecting rod (44), wherein adsorption blocks (8) are arranged on the barrel-plating barrel (2).
4. The barrel plating apparatus for metal part machining according to claim 2, characterized in that: the barrel-plating device is characterized in that a first connecting plate (5) and a second connecting plate (6) are respectively and rotatably connected to two ends of the barrel-plating barrel (2), a plurality of reinforcing rods (7) are fixedly connected between the first connecting plate (5) and the second connecting plate (6), the first connecting plate (5) is far away from a connecting block (18) which is fixedly connected to the surface of the barrel-plating barrel (2), an insertion groove (19) is formed in the bottom surface of the connecting block (18), the insertion groove (19) penetrates through the connecting block (18) in the horizontal direction, and an insertion ring (21) which is coaxially arranged with the driving shaft (11) is fixedly connected to the top surface of the barrel-plating tank (1).
5. The barrel plating apparatus for metal part machining according to claim 4, characterized in that: the inner walls of two sides of the insertion groove (19) are respectively provided with a plurality of idler wheels (20), and the plurality of idler wheels (20) of the two sides of the rear side of the insertion ring (21) inserted in the insertion groove (19) are respectively abutted against two side walls of the insertion ring (21).
6. The barrel plating apparatus for metal part machining according to claim 1, characterized in that: the barrel plating device is characterized in that a first conducting ring (22) and a second conducting ring (24) which are coaxial are arranged in the barrel plating pool (1) respectively, a first contact element (25) and a second contact element (26) are arranged at two ends of the barrel plating cylinder (2) respectively, and an anode terminal (27) and a cathode terminal (28) which are connected with the first contact element (25) and the second contact element (26) are arranged in the barrel plating cylinder (2) respectively.
7. The barrel plating apparatus for metal part machining according to claim 6, characterized in that: the first contact piece (25) and the second contact piece (26) are respectively and elastically arranged at two ends of the barrel plating cylinder (2) along the radial direction of the barrel plating cylinder (2).
8. The barrel plating apparatus for metal part machining according to claim 3, characterized in that: the electromagnet (45) is arranged to be in a frustum shape with a smaller cross section and one end below, and the top surface of the adsorption block (8) is provided with an adsorption groove (46) matched with the electromagnet (45).
9. A barrel plating process for metal part machining is characterized in that barrel plating equipment for metal part machining according to any one of claims 1 to 8 is used, and the barrel plating process specifically comprises the following steps:
s1: primary pickling, namely pickling the metal piece by dipping the metal piece into sulfuric acid solution;
s2: degreasing, namely soaking the metal piece in a degreasing agent for degreasing;
s3: secondary pickling, namely pickling the metal piece by soaking the metal piece in hydrochloric acid solution;
s4: electrolytic cleaning, namely soaking the metal piece in electrolytic cleaning solution for electrolytic cleaning;
s5: galvanizing, namely performing barrel plating on a metal piece by using the barrel plating equipment and plating solution;
s6: activating, namely soaking the metal piece in nitric acid solution for activation treatment;
s7: passivating, namely soaking the metal piece in a passivation solution for passivation treatment;
s8: dehydrating the metal piece;
s9: the metal piece is dried.
10. The barrel plating process for metal part machining according to claim 9, characterized in that: and after the passivation step, dipping the metal piece into a sealing agent for sealing treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010394611.4A CN111575774A (en) | 2020-05-11 | 2020-05-11 | Barrel plating equipment for metal part machining and barrel plating process thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010394611.4A CN111575774A (en) | 2020-05-11 | 2020-05-11 | Barrel plating equipment for metal part machining and barrel plating process thereof |
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| CN111575774A true CN111575774A (en) | 2020-08-25 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113388878A (en) * | 2021-06-23 | 2021-09-14 | 舒城广源表面处理有限公司 | Barrel plating device for barrel plating process of neodymium iron boron magnet |
| CN113684524A (en) * | 2021-08-26 | 2021-11-23 | 舒城广源表面处理有限公司 | Barrel plating equipment for metal part machining and barrel plating process thereof |
-
2020
- 2020-05-11 CN CN202010394611.4A patent/CN111575774A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113388878A (en) * | 2021-06-23 | 2021-09-14 | 舒城广源表面处理有限公司 | Barrel plating device for barrel plating process of neodymium iron boron magnet |
| CN113684524A (en) * | 2021-08-26 | 2021-11-23 | 舒城广源表面处理有限公司 | Barrel plating equipment for metal part machining and barrel plating process thereof |
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Application publication date: 20200825 |
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