CN114182326A - Electroplating equipment and process for pearl-color composite coating of automobile part - Google Patents

Abstract

The utility model belongs to the technical field of electroplating device and specifically relates to a car parts pearl color and luster composite coating electroplating device and technology is related to, and it includes frame, lifter plate and plates the pond, and the lifter plate is connected with the frame, plates the bottom that the pond set up in the frame, and the interval is equipped with a plurality of connecting pieces that are used for connecting the rack of plating on the bottom surface of lifter plate, is equipped with the drive assembly who is used for rotating the connecting piece on the lifter plate. This application has the effect that reduces hydrogen and adsorbs on the spare part surface, reduces the condition that the pinhole appears on the spare part surface.

Description

Electroplating equipment and process for pearl-color composite coating of automobile part

Technical Field

The application relates to the field of electroplating equipment, in particular to electroplating equipment and a process for a pearl color composite coating of an automobile part.

Background

With the continuous development of automobile technology, the performance requirements for metal parts in automobiles are higher and higher. Generally, after finishing the automobile parts, the parts are electroplated, and a layer of composite material is plated on the surfaces of the parts, so as to prolong the service life of the parts.

However, when the composite material is plated on the surface of the component, hydrogen is generated in the plating solution, the hydrogen is adsorbed on the surface of the component, and the composite material blocking the plating layer is adsorbed on the surface of the component, so that the surface of the component has pinholes.

Disclosure of Invention

In order to reduce hydrogen absorption and on the spare part surface, reduce the condition that the pinhole appears in the spare part surface, this application provides a car spare part pearl color and luster composite coating electroplating device and technology.

On the one hand, the application provides a car parts pearl color and luster composite coating electroplating device, adopts following technical scheme:

the utility model provides an automobile parts pearl color and luster composite coating electroplating device, includes frame, lifter plate and plates the pond, the lifter plate is connected with the frame, plate the bottom of pond setting in the frame, the interval is equipped with a plurality of connecting pieces that are used for connecting the rack of plating on the bottom surface of lifter plate, be equipped with the drive assembly who is used for rotating the connecting piece on the lifter plate.

Through adopting above-mentioned technical scheme, drive assembly drive connecting piece rotates, and then drives to hang and plate the frame rotation on the connecting piece, makes the spare part on the rack plate constantly remove in the plating solution, reduces hydrogen and adsorbs on the spare part surface, reduces the condition that the pinhole appears in the spare part surface.

In a specific implementation scheme, a plurality of fixed seats are arranged on the lifting plate at intervals, the driving assembly comprises a first driving part, a plurality of transmission shafts, a plurality of first driving wheels and a plurality of second driving wheels, the transmission shafts penetrate through the fixed seats, the transmission shafts and the fixed seats are arranged in a one-to-one correspondence manner, the plurality of first driving wheels are arranged at one ends of the transmission shafts, the plurality of second driving wheels are arranged at the other ends of the transmission shafts, the first driving part is arranged on the lifting plate, and the first driving part drives the first driving wheels to rotate;

the top end of the connecting piece penetrates through the lifting plate and extends, and a driven wheel connected with the second driving wheel is arranged at the top end of the connecting piece.

Through adopting above-mentioned technical scheme, first driving piece drives the transmission shaft and rotates, and then drives the connecting piece and rotate, finally drives to hang and plates the frame and rotate in the plating bath, reduces hydrogen and adsorbs on the spare part surface, reduces the condition that the pinhole appears in the spare part surface.

In a specific embodiment, the output end of the first driving member is provided with a driving wheel connected with the first driving wheel, and the driving wheel is connected with a plurality of first driving wheels.

Through adopting above-mentioned technical scheme, a first driving piece can drive many transmission shafts simultaneously and rotate, promotes the availability factor of first driving piece.

In a specific possible embodiment, a separation cylinder is arranged in the plating tank, the height of the separation cylinder is smaller than that of the plating tank, a gap exists between the separation cylinder and the inner side wall of the plating tank, a plurality of mounting holes are arranged on the side wall of the separation cylinder at intervals, and a second driving piece for pushing the plating solution to flow is arranged in each mounting hole.

By adopting the technical scheme, the plating solution in the separating cylinder is conveyed to the gap between the separating cylinder and the plating tank by the second driving piece, and flows back to the separating cylinder from the top end of the separating cylinder to wash the plating solution in the separating cylinder, so that the electroplating quality of parts is improved.

In a specific possible embodiment, a filter screen is arranged between the separation cylinder and the inner side wall of the plating bath.

By adopting the technical scheme, the filter screen filters impurities such as oxides in the plating solution, prevents impurities such as oxides from being blocked in the gap between the separating cylinder and the plating tank, and improves the electroplating quality of parts.

In a specific embodiment, a plurality of through holes are penetrated on the side wall of the separation cylinder.

Through adopting above-mentioned technical scheme, the plating solution can flow into in the section of thick bamboo of separating from the through-hole on section of thick bamboo top, promotes the backward flow efficiency of plating solution.

In a specific implementation mode, the separation cylinder comprises a fixed part and a rotating part, the fixed part is arranged on the inner bottom surface of the plating tank, the rotating part is arranged on the fixed part, and a plurality of stirring paddles are arranged on the inner wall of the rotating part at intervals;

the improved electroplating tank is characterized in that a mounting cavity is formed in the top surface of the fixing portion, a gear ring is arranged on the bottom surface of the rotating portion, gears meshed with the gear ring are arranged in the mounting cavity, a plurality of gears are arranged at intervals, a third driving piece is arranged on the outer wall of the electroplating tank, and the third driving piece penetrates through the side wall of the electroplating tank and is connected with the gears.

Through adopting above-mentioned technical scheme, the third driving piece drives gear revolve, drives rotation portion and rotates, and then drives and stir the plating solution of oar in to the partition cylinder and stir, promotes the flow rate of plating solution, further reduces hydrogen and adsorbs on the spare part surface, reduces the condition that the pinhole appears in the spare part surface.

In a specific possible implementation scheme, a lifting plate is arranged on the lifting plate, a fourth driving part is arranged on the lifting plate, a conveying end of the fourth driving part penetrates through the lifting plate and faces the plating tank, a driven shaft is arranged at an output end of the fourth driving part, and blades are arranged on the side wall of the driven shaft and extend spirally along the axis of the driven shaft.

Through adopting above-mentioned technical scheme, fourth drive spare drives the driven shaft and rotates, and then drives the blade and stir the plating solution in to the plating bath, and the plating solution flows with higher speed, reduces hydrogen and adsorbs on the spare part surface, reduces the condition that the pinhole appears in the spare part surface.

In a specific possible embodiment, a lifting cylinder is arranged between the lifting plate and the lifting plate, and the lifting plate is arranged on a piston rod of the lifting cylinder.

Through adopting above-mentioned technical scheme, the lift cylinder drives and carries the lifter plate lift, and the stirring of convenient according to the in service behavior to the blade is controlled.

On the other hand, the application provides an electroplating process for a pearl color composite coating of an automobile part, which adopts the following technical scheme:

an electroplating process of a pearl color composite coating of an automobile part is based on the electroplating equipment of the pearl color composite coating of the automobile part, and comprises the following steps:

firstly, preprocessing a part, and removing impurities such as oxide, dust and the like on the surface of the part;

step two, electroplating the parts, hanging the rack plating rack with the parts on a connecting piece, descending a lifting plate, gradually sinking the rack plating rack into the plating solution in the plating tank, and driving the connecting piece to rotate by the operation of a driving assembly so as to drive the rack plating rack to rotate in the plating tank;

the second driving piece conveys the plating solution in the plating tank to a gap between the separation cylinder and the plating tank, the plating solution enters the gap between the separation cylinder and the plating tank from the bottom end of the separation cylinder and then overflows back into the separation cylinder from the top end of the separation cylinder to circulate the plating solution;

step three, immersing the parts into different plating solutions in sequence according to the working procedures until the electroplating is finished;

and step four, cleaning and drying the parts which are electroplated.

By adopting the technical scheme, the rack plating frame is driven to rotate in the plating tank, and plating solution is stirred to enable the plating solution to flow in the plating tank, so that obvious relative motion exists between the parts and the plating solution, hydrogen is reduced to be adsorbed on the surfaces of the parts, and the condition of pinholes on the surfaces of the parts is reduced.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the driving assembly drives the connecting piece to rotate so as to drive the rack plating frame hung on the connecting piece to rotate, so that parts on the rack plating frame are driven to continuously move in plating solution, hydrogen is reduced from being adsorbed on the surfaces of the parts, and the condition that pinholes appear on the surfaces of the parts is reduced;

2. the second driving piece and the separating barrel are arranged, so that the plating solution is promoted to flow circularly in the plating tank, hydrogen is further reduced to be adsorbed on the surface of the part, and the condition that a pinhole appears on the surface of the part is further reduced.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

FIG. 2 is a schematic diagram showing a set of lifter plates and a plating bath structure.

Fig. 3 is a schematic diagram showing the structure of the driving assembly.

FIG. 4 is a sectional view showing the internal structure of the plating bath.

Fig. 5 is a partially enlarged schematic view at a in fig. 4.

Description of reference numerals: 1. a frame; 2. plating a pool; 3. a lifting plate; 4. hooking; 5. a drive assembly; 51. a drive shaft; 52. a first drive pulley; 53. a second transmission wheel; 54. a first driving member; 55. a driven wheel; 56. a drive wheel; 57. a fixed seat; 6. a separation cylinder; 61. a fixed part; 62. a rotating part; 7. a second driving member; 8. a through hole; 9. a stirring paddle; 10. mounting holes; 11. a filter screen; 12. a mounting cavity; 13. a gear; 14. a ring gear; 15. a third driving member; 16. lifting the plate; 17. a lift cylinder; 18. a driven shaft; 19. a blade; 20. and a fourth driving member.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

Referring to fig. 1 and 2, the electroplating equipment for the pearl color composite coating of the automobile parts comprises a rack 1, a plurality of lifting plates 3 and a plurality of plating tanks 2, wherein the plurality of lifting plates 3 are arranged on the rack 1, and the plurality of plating tanks 2 are arranged at the bottom end of the rack 1 according to the process sequence. The rack plating frame is arranged at the bottom end of the lifting plate 3, the frame 1 drives the lifting plate 3 to lift, and meanwhile, the lifting plate 3 is driven to be switched among different plating pools 2 to carry out electroplating operation.

Referring to fig. 2 and 3, two connecting members for connecting the rack plating rack are arranged at the bottom end of the lifting plate 3 at intervals, in this embodiment, the connecting members are specifically hooks 4, and the top ends of the hooks 4 penetrate through the lifting plate 3 and extend upwards. The lifting plate 3 is provided with a driving component 5 for driving the hook 4 to rotate. The driving component 5 drives the hook 4 to rotate, and then drives the rack plating rack on the hook 4 to rotate, so that the parts are continuously moved in the plating solution, hydrogen in the plating solution is difficult to adsorb on the surface of the parts, and the condition that the parts have pinholes after being electroplated is reduced.

Referring to fig. 3, two fixed seats 57 are fixed on the lifting plate 3, a driven wheel 55 is coaxially fixed on each hook 4, the driven wheel 55 is a bevel gear 13, and the directions of the two driven wheels 55 are opposite. The driving assembly 5 comprises a first driving member 54, two transmission shafts 51, two first driving wheels 52 and two second driving wheels 53, wherein the transmission shafts 51 horizontally penetrate through the fixed seat 57, and the transmission shafts 51 can rotate in the fixed seat 57. The first transmission wheel 52 is coaxially fixed at one end of the transmission shaft 51, the second transmission wheel 53 is coaxially fixed at the other end of the transmission shaft 51, the first transmission wheel 52 is a synchronous pulley, the second transmission wheel 53 is a bevel gear 13, and the second transmission wheel 53 is meshed with a driven wheel 55 on the hook 4. The first driving member 54 is fixed on the lifting plate 3, in this embodiment, the first driving member 54 is a motor, two driving wheels 56 are coaxially fixed on an output shaft of the motor, the driving wheels 56 are synchronous pulleys, and the driving wheels 56 are connected with the two first driving wheels 52 through a synchronous belt. The motor runs, and through drive wheel 56 and first drive wheel 52 transmission, drive transmission shaft 51 rotates, and transmission shaft 51 drives couple 4 through second drive wheel 53 and driven round of 55 transmission, because two orientations from the driving wheel 55 are opposite, and then drives two and hang and plate the frame and rotate towards different directions. The two rack plating frames are opposite in steering, so that parts on the rack plating frames continuously impact plating solution, the relative movement speed between the parts and the plating solution is improved, hydrogen adsorbed on the parts is further reduced, and the condition that pinholes exist after the parts are plated is reduced.

Referring to fig. 3, be fixed with a plurality of lift cylinder 17 on the lifter plate 3, lift cylinder 17's the vertical upward setting of piston rod, be fixed with on lift cylinder 17's the piston rod and carry the arm-tie 16, be fixed with fourth drive 20 on carrying the arm-tie 16, fourth drive 20 specifically is the motor in this application, the output shaft of motor is vertical downwards, coaxial being fixed with driven shaft 18 on the output shaft of motor, be fixed with blade 19 on the lateral wall of driven shaft 18, blade 19 extends along the axis direction spiral of driven shaft 18. The piston rod of the lifting cylinder 17 retracts, so that the blade 19 is inserted into the plating solution in the plating tank 2, the motor operates to drive the driven shaft 18 to rotate, and further the blade 19 is driven to push the plating solution to rotate, the flowing of the plating solution is accelerated, and hydrogen is difficult to adsorb on the surface of a part. Meanwhile, the motor is controlled to rotate in a reciprocating mode, so that the plating solution is conveniently driven to rotate in different directions, the plating solution and parts are more fully impacted, and the electroplating efficiency of the parts is improved.

Referring to fig. 4, a separation barrel 6 is fixed on the inner bottom surface of the plating tank 2, the separation barrel 6 is shorter than the plating tank 2, a plurality of mounting holes 10 are formed in the side wall of the separation barrel 6 at intervals, a second driving member 7 is arranged in each mounting hole 10, and the second driving member 7 is specifically a turbine in this embodiment. The turbine rotates and drives the plating solution in the separating cylinder 6 to flow in the gap between the separating cylinder 6 and the plating tank 2, and then flows into the separating cylinder 6 again from the top end of the separating cylinder 6, so that the plating solution in the separating cylinder 6 continuously flows from top to bottom, the relative movement speed of the plating solution and parts is increased, the condition that hydrogen is adsorbed on the surfaces of the parts is further reduced, and the condition that pinholes exist after the parts are electroplated is reduced.

Referring to fig. 4 and 5, the separating cylinder 6 comprises a fixing portion 61 and a rotating portion 62, the fixing portion 61 is fixed on the inner bottom surface of the plating tank 2, the rotating portion 62 is arranged on the fixing portion 61, a plurality of stirring paddles 9 are fixed on the inner wall of the transmission portion, a gear ring 14 is fixed on the bottom surface of the transmission portion, a mounting cavity 12 is formed in the top surface of the fixing portion 61, the gear ring 14 is arranged in the mounting cavity 12, and a gear 13 meshed with the gear ring 14 is arranged in the mounting cavity 12. A third driving member 15 is fixed on the outer wall of the plating tank 2, in this embodiment, the third driving member 15 is a motor, an output shaft of the motor penetrates through the side wall of the plating tank 2 and extends into the mounting cavity 12, and the output shaft of the motor is coaxially connected with the gear 13. The motor runs and drives the gear 13 to rotate, the gear 13 and the gear ring 14 are in transmission, the rotating part 62 is driven to rotate, the plating solution in the separating cylinder 6 is stirred by stirring, the stirring direction is the same as the rotating direction of the blades 19, the rotating speed of the plating solution in the separating cylinder 6 is improved, the condition that hydrogen is adsorbed on the surface of a part is further reduced, and the condition that a pinhole exists after the part is electroplated is reduced.

Referring to fig. 4, a plurality of through holes 8 are formed at intervals in the side wall of the rotating portion 62, and the plurality of through holes 8 are formed at the tip end of the rotating portion 62. The plating solution between the rotating part 62 and the side wall of the plating tank 2 can quickly return to the separating cylinder 6 through the through hole 8, and the plating solution circulation efficiency is improved.

Referring to fig. 4, a filter screen 11 is disposed between the fixing portion 61 and the inner side wall of the plating tank 2, the filter screen 11 blocks impurities such as oxides in the plating solution in a gap between the fixing portion 61 and the plating tank 2, and blocks the impurities such as the oxides from flowing along with the plating solution in a circulating manner, thereby improving the plating quality of the parts.

The implementation principle of the embodiment of the application is as follows: the parts are arranged on the rack plating rack, the rack plating rack is hung on the hook 4, and the first driving piece 54 operates to drive the hook 4 to rotate, so that the parts rotate in the plating solution. The second driving member 7 operates to push the plating solution in the separation cylinder 6 to circulate from top to bottom. The third driving part 15 and the fourth driving part 20 operate to push the plating solution in the separation cylinder 6 to rotate, so that the flow of the plating solution in the separation cylinder 6 is accelerated, hydrogen is prevented from being adsorbed on the surface of the part, and the condition that a pinhole exists after the part is electroplated is reduced.

The embodiment of the application also discloses an electroplating process of the pearl color composite coating of the automobile part, and the electroplating equipment based on the pearl color composite coating of the automobile part comprises the following steps:

firstly, preprocessing a part, and removing impurities such as oxide, dust and the like on the surface of the part;

step two, electroplating the parts, hanging the rack plating rack with the parts on the hook 4, descending the lifting plate 3, gradually sinking the rack plating rack into the plating solution in the plating tank 2, driving the connecting piece to rotate by the operation of the first driving piece 54, further driving the rack plating rack to rotate in the plating tank 2, and rotating the two sets of rack plating racks in opposite directions by the separation barrel 6;

the second driving piece 7 conveys the plating solution in the plating tank 2 to the gap between the separating cylinder 6 and the plating tank 2, the plating solution enters the gap between the plating tank 2 and the separating cylinder 6 from the bottom end of the separating cylinder 6, and then overflows back to the separating cylinder 6 from the top end of the separating cylinder 6, the circulation of the plating solution is carried out, and the surfaces of the parts are washed;

step three, sequentially immersing the parts into different plating solutions according to the working procedures, and repeating the operation in the step two until the electroplating is finished;

and step four, cleaning and drying the parts which are electroplated.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides an automobile parts pearl color and luster composite coating electroplating device, includes frame (1), lifter plate (3) and plates pond (2), lifter plate (3) are connected with frame (1), plate pond (2) and set up the bottom in frame (1), its characterized in that: the bottom surface of lifter plate (3) is equipped with a plurality of connecting pieces that are used for connecting the rack, be equipped with drive assembly (5) that are used for rotating the connecting piece on lifter plate (3).

2. The electroplating equipment for the pearl-colored composite coating of the automobile part as claimed in claim 1, wherein the electroplating equipment comprises: the lifting plate (3) is provided with a plurality of fixing seats (57) at intervals, the driving assembly (5) comprises a first driving part (54), a plurality of transmission shafts (51), a plurality of first driving wheels (52) and a plurality of second driving wheels (53), the transmission shafts (51) penetrate through the fixing seats (57), the transmission shafts (51) and the fixing seats (57) are arranged in a one-to-one correspondence mode, the plurality of first driving wheels (52) are arranged at one end of each transmission shaft (51), the plurality of second driving wheels (53) are arranged at the other end of each transmission shaft (51), the first driving part (54) is arranged on the lifting plate (3), and the first driving part (54) drives the first driving wheels (52) to rotate;

the top end of the connecting piece penetrates through the lifting plate (3) and extends, and a driven wheel (55) connected with the second driving wheel (53) is arranged at the top end of the connecting piece.

3. The electroplating equipment for the pearl-colored composite coating of the automobile part as claimed in claim 2, wherein the electroplating equipment comprises: the output end of the first driving piece (54) is provided with a driving wheel (56) connected with the first driving wheel (52), and the driving wheel (56) is connected with the first driving wheel (52).

4. The electroplating equipment for the pearl-colored composite coating of the automobile part as claimed in claim 1, wherein the electroplating equipment comprises: plate and be equipped with in pond (2) and separate a section of thick bamboo (6), the height that highly is less than of separating a section of thick bamboo (6) plates pond (2), there is the clearance between separating a section of thick bamboo (6) and plating pond (2) inside wall, a plurality of mounting holes (10) have been seted up at the interval on the lateral wall of separating a section of thick bamboo (6), be equipped with in mounting hole (10) and be used for promoting second driving piece (7) that the plating solution flows.

5. The electroplating equipment for the pearl-colored composite coating of the automobile part as claimed in claim 4, wherein the electroplating equipment comprises: and a filter screen (11) is arranged between the separation cylinder (6) and the inner side wall of the plating tank (2).

6. The electroplating equipment for the pearl-colored composite coating of the automobile part as claimed in claim 4, wherein the electroplating equipment comprises: a plurality of through holes (8) penetrate through the side wall of the separation cylinder (6).

7. The electroplating equipment for the pearl-colored composite coating of the automobile part as claimed in claim 4, wherein the electroplating equipment comprises: the separating cylinder (6) comprises a fixing part (61) and a rotating part (62), the fixing part (61) is arranged on the inner bottom surface of the plating tank (2), the rotating part (62) is arranged on the fixing part (61), and a plurality of stirring paddles (9) are arranged on the inner wall of the rotating part (62) at intervals;

the utility model discloses a plating device, including fixed part (61), gear ring (14), gear (13) of gear ring (14) meshing are equipped with in installation cavity (12), installation cavity (12) have been seted up on the top surface of fixed part (61), be equipped with on the bottom surface of rotation portion (62), gear (13) interval arrangement is a plurality ofly, be equipped with third driving piece (15) on the outer wall of plating pond (2), third driving piece (15) run through the lateral wall of plating pond (2) and are connected with gear (13).

8. The electroplating equipment for the pearl-colored composite coating of the automobile part as claimed in claim 1, wherein the electroplating equipment comprises: the improved electroplating device is characterized in that a lifting plate (16) is arranged on the lifting plate (3), a fourth driving part (20) is arranged on the lifting plate (16), the conveying end of the fourth driving part (20) penetrates through the lifting plate (16) and faces the electroplating pool (2), a driven shaft (18) is arranged at the output end of the fourth driving part (20), a blade (19) is arranged on the side wall of the driven shaft (18), and the blade (19) extends spirally along the axis of the driven shaft (18).

9. The electroplating equipment for the pearl-colored composite coating of the automobile part as claimed in claim 8, wherein the electroplating equipment comprises: a lifting cylinder (17) is arranged between the lifting plate (16) and the lifting plate (3), and the lifting plate (16) is arranged on a piston rod of the lifting cylinder (17).

10. An electroplating process of a pearl luster composite coating of an automobile part, which is based on the electroplating equipment of the pearl luster composite coating of the automobile part as claimed in any one of claims 1 to 9, and is characterized in that: the method comprises the following steps:

firstly, preprocessing a part, and removing impurities such as oxide, dust and the like on the surface of the part;

step two, electroplating the parts, hanging the rack plating rack with the parts on a connecting piece, descending a lifting plate (3), gradually sinking the rack plating rack into plating solution in a plating tank (2), and driving a driving assembly (5) to operate to drive the connecting piece to rotate so as to drive the rack plating rack to rotate in the plating tank (2);

the second driving piece (7) conveys the plating solution in the plating tank (2) to a gap between the separating cylinder (6) and the plating tank (2), the plating solution enters the gap between the plating tank (2) and the separating cylinder (6) from the bottom end of the separating cylinder (6), and then overflows back into the separating cylinder (6) from the top end of the separating cylinder (6) to circulate the plating solution;

step three, immersing the parts into different plating solutions in sequence according to the working procedures until the electroplating is finished;

and step four, cleaning and drying the parts which are electroplated.

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