CN216947255U

CN216947255U - Metal workpiece electrophoresis device

Info

Publication number: CN216947255U
Application number: CN202220071041.XU
Authority: CN
Inventors: 李辉
Original assignee: Hubei Leader Auto Parts Co ltd
Current assignee: Hubei Leader Auto Parts Co ltd
Priority date: 2022-01-12
Filing date: 2022-01-12
Publication date: 2022-07-12
Anticipated expiration: 2032-01-12

Abstract

The utility model discloses a metal workpiece electrophoresis device, which relates to the technical field of electrophoresis equipment and comprises an electrophoresis cell, wherein a hanging conveying line is arranged above the electrophoresis cell, a hanging bracket is hung below the hanging conveying line, an X-shaped connecting fork for hanging the hanging bracket is arranged below the hanging conveying line, the hanging bracket comprises a hanging frame for transversely installing a rod-shaped workpiece, two transverse polished rods are arranged on the hanging frame, sleeve pipes are movably sleeved on the surfaces of the two polished rods, and buffer springs are arranged at the positions, located on the two sides of the sleeve pipes, of the surfaces of the two polished rods. The hanging bracket transversely hangs the rod-shaped workpiece through the supporting rod, so that the time for soaking the two ends of the rod-shaped workpiece into the electrophoresis liquid is close to the electrophoresis time, the phenomenon that the electrophoresis paint on the surface of one end of the rod-shaped workpiece is too large is avoided, and the effects of improving the thickness uniformity of the electrophoresis paint on the surface of the rod-shaped workpiece and reducing the waste of the electrophoresis paint are achieved.

Description

Metal workpiece electrophoresis device

Technical Field

The utility model relates to the technical field of electrophoresis equipment, in particular to a metal workpiece electrophoresis device.

Background

The electrophoresis device for the metal workpiece is equipment which utilizes electrophoresis phenomenon to ensure that paint particles in electrophoresis liquid are directionally migrated and attached to the surface of the workpiece through an external electric field to realize coating on the surface of the workpiece. Compared with other paint surface coating processes, the electrophoretic paint has the advantages of plump and uniform coating, smoothness and flatness, and the hardness, adhesive force, corrosion resistance and impact resistance of the electrophoretic paint are obviously superior to those of other coating processes, so that an electrophoretic device and an electrophoretic coating process are widely used.

When a metal workpiece is coated by an electrophoresis process, the thickness of the electrophoretic paint on the surface of the workpiece is related to the electric field intensity and the electrophoresis time. Under the current production environment, when carrying out electrophoretic coating to the isometric shaft-like work piece of similar long connecting rod, generally adopt the mode of vertical suspension to install on electrophoresis shelf, then soak and carry out electrophoretic paint coating in the electrophoresis liquid.

In the electrophoretic coating process, the bottom of a vertically suspended long rod-shaped workpiece is preferentially immersed into an electrophoretic liquid, the top of the workpiece is finally immersed into the electrophoretic liquid, when the workpiece is moved out of the electrophoretic liquid, the top of the workpiece which is finally immersed into the electrophoretic liquid is preferentially moved out of the electrophoretic liquid, the bottom of the workpiece which is preferentially immersed into the electrophoretic liquid is finally moved out of the electrophoretic liquid, the time of electrophoresis of the part of the electrophoresis of the surface of the workpiece close to the top exceeds the time of electrophoresis of the part of the electrophoresis of the surface of the workpiece close to the bottom due to the accumulation of the front time and the back time, and the time is obviously different, so that the thickness of the part of electrophoretic paint of the surface of the workpiece close to the bottom is large, the thickness of the part of electrophoretic paint of the surface of the workpiece close to the top is small, and the difference degree is increased along with the increase of the length of the workpiece, and the electrophoretic paint of the workpiece is not uniform; in addition, to ensure that the thickness of the electrophoretic paint on the surface of the workpiece reaches the minimum standard, the thickness of the part of the electrophoretic paint on the surface of the workpiece close to the bottom exceeds the standard, resulting in waste of the electrophoretic paint. Reduce the electrophoresis lacquer extravagant simultaneously in order to improve the even degree of long rod-like work piece surface electrophoresis lacquer thickness, provided a metal work piece electrophoresis apparatus.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a metal workpiece electrophoresis device which is used for solving the problems that the thickness of part of electrophoresis paint on the surface of a long rod-shaped workpiece close to the top and the bottom of the workpiece is not uniform due to the fact that electrophoresis painting is carried out by vertically hanging the long rod-shaped workpiece, and the electrophoresis paint is wasted due to the fact that the thickness of part of the electrophoresis paint on the surface of the workpiece close to the bottom exceeds the standard.

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model provides a metal work piece electrophoresis apparatus, includes the electrophoresis cell, the top of electrophoresis cell is provided with hangs the transfer chain, the below of hanging the transfer chain has hung the gallows, the below of hanging the transfer chain is provided with the X-shaped yoke that hangs the gallows, the gallows includes the mounted frame of the shaft-like work piece of horizontal installation, be provided with two horizontal polished rods on the mounted frame, two the sleeve pipe has all been cup jointed in the equal activity in surface of polished rod, two the position department that polished rod surface is located the sleeve pipe both sides all is provided with buffer spring, two the below at the connecting plate that the top set up is fixed simultaneously to the sleeve pipe, the top of connecting plate is provided with the peg, the peg rotates with the round pin axle of the cross position of yoke to be connected, and the both sides of peg and the yoke keep away from and hang and all be provided with the buffering extension spring between two tip of transfer chain.

Preferably, the bottom of the two sides of the suspension bracket is provided with a hook bent to one side, the hooks on the two sides of the bottom of the suspension bracket are respectively sleeved with a support rod which is perpendicular to the direction of the polished rod and is provided with lantern rings at two ends, and the support rods are arranged in assembly holes at two ends of the rod-shaped workpiece in a penetrating manner.

Preferably, the hanging conveying line comprises a horizontal conveying section, a descending conveying section, an electrophoresis conveying section and a climbing conveying section, and the descending conveying section, the electrophoresis conveying section and the climbing conveying section correspond to the position of the electrophoresis cell.

Compared with the prior art, the utility model has the following beneficial effects:

(1) the gallows passes through the bracing piece and transversely hangs bacillary work piece, the contained angle of bacillary work piece and horizontal direction is smaller, both ends difference in height is less, it is close when making the length of rod-like work piece both ends dip electrophoresis liquid and electrophoresis, avoid causing the length of rod-like work piece wherein one end surface electrophoresis lacquer thickness is too big, reach and improve the extravagant effect of bacillary work piece surface electrophoresis lacquer thickness homogeneity and reduction electrophoresis lacquer, the vertical work piece that hangs of stock form of carrying out electrophoresis application and cause the work piece surface be close to the partial electrophoresis lacquer thickness of top and bottom inhomogeneous and the work piece surface is close to the partial electrophoresis lacquer thickness of bottom and exceeds standard and causes the extravagant problem of electrophoresis lacquer.

(2) The gallows links to each other through the yoke and hangs the transfer chain and make the peg can swing and swing angle ratio less, the polished rod and the sleeve pipe activity of mounted frame link to each other simultaneously, make the mounted frame hang the below of the position cunning to advancing direction one side that the decline of transfer chain section corresponds, the position cunning that corresponds at the transport section that climbs is to the below of one side opposite with advancing direction, make the right-hand member that the shaft-like work piece immerges the electrophoresis liquid earlier shift out from the electrophoresis liquid, shift out from the electrophoresis liquid behind the left end that the electrophoresis liquid was immerged to the back, further shorten the length of time that the electrophoresis liquid and electrophoresis were immerged at shaft-like work piece both ends, further improve the homogeneity of shaft-like work piece surface electrophoresis lacquer thickness and reduce the waste of electrophoresis lacquer.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a front view of the hanger of the present invention;

FIG. 3 is a top view of the hanger of the present invention;

FIG. 4 is a view showing the state of the hanger at a position corresponding to the descending conveying section of the present invention;

FIG. 5 is a state diagram of the lifting frame at a position corresponding to the climbing conveying section according to the utility model;

FIG. 6 is a side view of a support pole of the present invention;

fig. 7 is a top view of the hanger of the present invention with a rod-like workpiece attached.

In the figure: 1. an electrophoresis cell; 2. hanging the conveying line; 21. a horizontal conveying section; 22. a descending conveying section; 23. an electrophoresis conveying section; 24. a climbing conveying section; 3. a hanger; 31. a suspension bracket; 32. a polish rod; 33. a sleeve; 34. a buffer spring; 35. a connecting plate; 36. a hanging rod; 37. hooking; 4. a connecting fork; 5. a rod-shaped workpiece; 6. a buffer tension spring; 7. a support rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 7, the present invention provides a technical solution: a metal workpiece electrophoresis device comprises an electrophoresis cell 1, a hanging conveying line 2 is arranged above the electrophoresis cell 1, the hanging conveying line 2 is used for conveying rod-shaped workpieces 5, a hanging bracket 3 is hung below the hanging conveying line 2, an X-shaped connecting fork 4 for hanging the hanging bracket 3 is arranged below the hanging conveying line 2, the top of the connecting fork 4 is connected with a chain inside the hanging conveying line 2, two points where the connecting fork 4 is connected with the chain are arranged, local stress can be dispersed, the chain is protected, the hanging bracket 3 comprises a hanging frame 31 for transversely installing the rod-shaped workpieces 5, the height difference of two ends of the rod-shaped workpieces 5 can be reduced by the transversely hung rod-shaped workpieces 5, the electrophoresis time difference of two ends of the rod-shaped workpieces 5 is reduced, in addition, the design depth of the electrophoresis cell 1 can be reduced by the transversely hung rod-shaped workpieces 5, the usage amount of electrophoresis liquid is reduced, the cost is saved, two transverse polish rods 32 are arranged on the hanging frame 31, the sleeve 33 is movably sleeved on the surfaces of the two polish rods 32, the sleeve 33 and the polish rod 32 enable the hanger frame 31 to slide to the lower right along the sleeve 33 at the position corresponding to the descending conveying section 22, and slide to the lower left at the position corresponding to the climbing conveying section 24, so that the heights of the two ends of the rod-shaped workpiece 5 below the hanger frame 31 are adjusted, the sequence of immersing and removing the electrophoresis liquid into and from the rod-shaped workpiece 5 is changed, the buffer springs 34 are arranged at the positions, on the two sides of the sleeve 33, of the surfaces of the two polish rods 32, the buffer springs 34 have a buffer effect on the hanger frame 31 sliding along the sleeve 33, the hanging conveying line 2 above the connecting fork 4 is protected, the two sleeve 33 are simultaneously fixed below the connecting plate 35 arranged at the top, the hanging rod 36 is arranged at the top of the connecting plate 35, the hanging rod 36 is rotatably connected with a pin shaft at the crossing position of the connecting fork 4, so that the hanger 3 can swing left and right but limit the swing angle, if gallows 3 can't swing and with hang transfer chain 2 and keep fixed angle unchangeable, then at the position department gallows 3 that the section of transport 22 and the section of transport 24 of climbing correspond and the contained angle between the vertical direction is too big, receive the effect of vertical downward gravity, cause peg 36 easily, the inside local atress of chain of yoke 4 and hanging transfer chain 2 is stronger, be unfavorable for protecting the chain, and all be provided with buffering extension spring 6 between two tip of hanging transfer chain 2 is kept away from with yoke 4 to the both sides of peg 36, buffering extension spring 6 has the cushioning effect to wobbling gallows 3, also have the cushioning effect when sliding left and right to mounted frame 31 simultaneously, the effect of each spare part of protection has.

As a technical optimization scheme of the utility model, the bottom parts of two sides of the suspension bracket 31 are provided with hooks 37 which are bent towards one side, the hooks 37 of two sides of the bottom part of the suspension bracket 31 are respectively sleeved with a support rod 7 which is vertical to the direction of the polish rod 32 and is provided with lantern rings at two ends, the support rods 7 are arranged in assembly holes at two ends of the rod-shaped workpiece 5 in a penetrating way, the end part of the rod-shaped workpiece 5 originally has an assembly hole for installation and use, and the support rods 7 can just hang the rod-shaped workpiece 5 by means of the assembly holes.

As a technical optimization scheme of the utility model, the hanging conveyor line 2 comprises a horizontal conveying section 21, a descending conveying section 22, an electrophoresis conveying section 23 and a climbing conveying section 24, wherein the descending conveying section 22, the electrophoresis conveying section 23 and the climbing conveying section 24 correspond to the position of the electrophoresis cell 1.

The working principle is as follows: the supporting rod 7 is taken down from the hook 37 of the hanger 3, the supporting rod 7 is penetrated into the assembly holes at the two ends of the rod-shaped workpiece 5 for suspension, and the supporting rod 7 is hung on the hook 37 through a lantern ring to realize the suspension of the rod-shaped workpiece 5; the hanging and conveying line 2 drives the hanging bracket 3 and the rod-shaped workpiece 5 to move through the connecting fork 4, when the hanging bracket 3 moves along the descending and conveying section 22, the hanging bracket 3 causes the buffer tension spring 6 on the left side of the hanging rod 36 to be stretched and the buffer tension spring 6 on the right side to be compressed due to the action of gravity, the whole bottom of the hanging bracket 3 inclines towards the left side, the hanging bracket 31 and the polished rod 32 slide towards the right side and the lower side along the sleeve 33 until the sleeve 33 collides with the buffer spring 34 on the left side and stops, at the moment, the height of the right end of the rod-shaped workpiece 5 is smaller than that of the left end and is immersed into the electrophoresis liquid in the electrophoresis pool 1 in such a state, the rod-shaped workpiece 5 is always immersed in the electrophoresis liquid for electrophoresis coating when moving along the electrophoresis conveying section 23, when the hanging bracket 3 moves to the position corresponding to the ascending and conveying section 24, the buffer tension spring 6 on the left side of the hanging rod 36 is compressed and the buffer tension spring 6 on the right side, the whole bottom of the hanging bracket 3 inclines towards the right side, the hanger 31 and the polish rod 32 slide along the sleeve 33 to the lower left until the sleeve 33 stops colliding with the right buffer spring 34, and the right end of the rod-shaped workpiece 5 is higher than the left end, and is removed from the electrophoretic liquid in the electrophoretic cell 1 in this state; the contained angle of whole in-process cylindric work piece 5 and horizontal direction is less, both ends difference in height is less, the right-hand member that immerses earlier the electrophoresis liquid shifts out from the electrophoresis liquid earlier, it shifts out from the electrophoresis liquid to immerse the left end of electrophoresis liquid after, it is close when long and the electrophoresis of the electrophoresis liquid is immersed at 5 both ends of cylindric work piece, avoid causing 5 wherein one end surface electrophoresis lacquer thickness of cylindric work piece too big, make 5 surface electrophoresis lacquer thickness of cylindric work piece trend even, it causes the waste to have avoided too much application of electrophoresis lacquer.

It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a metal work piece electrophoresis apparatus, includes electrophoresis cell (1), the top of electrophoresis cell (1) is provided with hangs transfer chain (2), the below of hanging transfer chain (2) has hung gallows (3), its characterized in that: an X-shaped connecting fork (4) for hanging the hanger (3) is arranged below the hanging conveying line (2), the hanger (3) comprises a suspension bracket (31) for transversely mounting the rod-shaped workpiece (5), two transverse polish rods (32) are arranged on the suspension frame (31), sleeves (33) are movably sleeved on the surfaces of the two polish rods (32), buffer springs (34) are arranged at the positions, located on the two sides of the sleeves (33), on the surfaces of the two polish rods (32), the two sleeves (33) are simultaneously fixed below a connecting plate (35) arranged at the top, the top of the connecting plate (35) is provided with a hanging rod (36), the hanging rod (36) is rotationally connected with a pin shaft at the crossing position of the connecting fork (4), and a buffer tension spring (6) is arranged between the two sides of the hanging rod (36) and the two end parts of the connecting fork (4) far away from the hanging conveying line (2).

2. A metal workpiece electrophoresis device as recited in claim 1 wherein: the bottom of mounted frame (31) both sides is provided with crotch (37) to one side bending, all cup jointed on crotch (37) of mounted frame (31) bottom both sides with polished rod (32) direction perpendicular and both ends are provided with bracing piece (7) of the lantern ring, bracing piece (7) are worn to establish in the pilot hole at shaft-like work piece (5) both ends.

3. A metal workpiece electrophoresis device as recited in claim 1 wherein: the hanging conveying line (2) comprises a horizontal conveying section (21), a descending conveying section (22), an electrophoresis conveying section (23) and a climbing conveying section (24), and the descending conveying section (22), the electrophoresis conveying section (23) and the climbing conveying section (24) correspond to the position of the electrophoresis cell (1).