WO2023122858A1

WO2023122858A1 - Comprehensive pretreatment system for metal hard chromium plating

Info

Publication number: WO2023122858A1
Application number: PCT/CN2021/141486
Authority: WO
Inventors: 匡优新
Original assignee: 无锡星亿智能环保装备股份有限公司
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2023-07-06
Also published as: CN114502291A

Abstract

A comprehensive pretreatment system for metal hard chromium plating, the comprehensive pretreatment system comprising a support, a cleaning tank (4) and a spraying mechanism, and further comprising a rotary rolling mechanism and a cleaning mechanism. The support comprises a top plate (1), a bottom plate (2) and two side plates (3). The top plate (1) and the bottom plate (2) are arranged in parallel, and the two side plates (3) are respectively vertically arranged between the top plate (1) and the bottom plate (2) and are symmetrically distributed to the left and right, and the upper end and the lower end of each side plate (3) are respectively fixedly connected to the top plate (1) and the bottom plate (2). The cleaning tank (4) is fixedly arranged on the upper side of the bottom plate (2), and the rotary rolling mechanism is arranged between the two side plates (3) and located above the cleaning tank (4), the lower end of the top plate (1) is fixedly connected to an air cylinder (5), and the lower end of the air cylinder (5) is provided with an elastic mechanism and is connected to a strip-shaped plate (7) in the cleaning mechanism by means of the elastic mechanism.

Description

Comprehensive pretreatment system for metal hard chrome plating

technical field

The present application belongs to the technical field of electroplating treatment, for example, a comprehensive pretreatment system for metal hard chrome electroplating.

Background technique

Electroplating is the process of plating a thin layer of other metals or alloys on the surface of certain metals using the principle of electrolysis. It is a process of using electrolysis to attach a layer of metal film to the surface of metal or other material parts to prevent metal oxidation. Improve wear resistance, electrical conductivity, reflectivity, corrosion resistance and enhance the appearance, etc. The outer layer of many coins is also electroplated.

When performing hard chrome plating on shaft parts, it is generally necessary to pretreat the parts, such as cleaning the shaft parts. Cleaning in the cleaning pool can only clean off the dust and dirt on the surface, but when some rust or stains with strong adhesion are produced on the surface of the part, it is difficult to clean it, thus affecting the effect of subsequent hard chrome plating.

Contents of the invention

The embodiment of the present application discloses a comprehensive pretreatment system for metal hard chromium electroplating, which includes a bracket, a cleaning tank, a spray mechanism, and a rotating and rolling mechanism and a cleaning mechanism. The bracket includes a top plate, a bottom plate and two side plates. The top board and the bottom board are arranged in parallel, and the two side boards are vertically arranged between the top board and the bottom board and symmetrically distributed left and right, and the upper and lower ends of each side board are fixedly connected with the top board and the bottom board respectively, and the cleaning pool is fixed It is arranged on the upper side of the bottom plate. The rotating and rolling mechanism is arranged between the two side plates and above the cleaning pool. The lower end of the top plate is fixedly connected with a cylinder, and the lower end of the cylinder is provided with an elastic mechanism and passes through the elastic mechanism. It is connected with the strip plate in the cleaning mechanism, and the arc-shaped cleaning plate in the cleaning mechanism is horizontally slidably arranged on the lower side of the strip plate, and the lower side of the arc-shaped cleaning plate is detachably connected with cleaning sandpaper. The shower mechanism is arranged on the top plate, and the two water spray pipes in the spray mechanism are fixedly penetrated through the top plate and fixedly connected with the front and rear ends of the arc-shaped cleaning plate respectively.

Description of drawings

The drawings constitute a part of the description, and are used to explain the application together with the embodiments of the application, and do not constitute a limitation to the application. In the attached picture:

Fig. 1 is the front structure schematic diagram of the comprehensive pretreatment system of metal hard chromium electroplating in the embodiment of the present application;

Fig. 2 is the front sectional structure schematic diagram of the integrated pretreatment system of metal hard chromium electroplating in the embodiment of the present application;

Fig. 3 is the right side structural representation of the integrated pretreatment system of metal hard chromium electroplating in the embodiment of the present application;

Fig. 4 is a top view structural schematic diagram of the rotation and rolling mechanism of the embodiment of the present application;

Fig. 5 is a schematic diagram of the side structure of the arc-shaped cleaning plate of the embodiment of the present application;

FIG. 6 is a schematic diagram of a side sectional structure of a limiting plate according to an embodiment of the present application;

Fig. 7 is a top view structural schematic diagram of the cleaning tank of the embodiment of the present application;

FIG. 8 is a schematic diagram of a three-dimensional structure of a filter net according to an embodiment of the present application.

In the figure: 1. top plate; 2. bottom plate; 3. side plate; 4. cleaning tank; 5. cylinder; 6. arc cleaning plate; 7. strip plate; 8. cleaning sandpaper; 9. water spray pipe; 10 1, the first servo motor; 11, the rotating roller; 12, the sprocket; 13, the chain; 14, the second servo motor; 15, the reciprocating screw; 16, the screw nut; 17, the pressure plate; Rod; 19, water tank; 20, water pump; 21, limit plate; 22, two-way threaded rod; 23, rotating wheel; 24, ball; 25, filter screen; 26, placement plate; 27, insert rod; 28, round wool stickers; 29, bristle stickers.

Detailed ways

The embodiment of the present application discloses a comprehensive pretreatment system for metal hard chrome plating as shown in Figures 1-8, including a bracket, a cleaning pool 4 and a spray mechanism, and also includes a rotating and rolling mechanism and a cleaning mechanism. The bracket includes a top plate 1 , the bottom plate 2 and two side plates 3, the top plate 1 and the bottom plate 2 are arranged in parallel up and down, the two side plates 3 are all vertically arranged between the top plate 1 and the bottom plate 2 and symmetrically distributed left and right, and the upper and lower ends of the side plate 3 are respectively It is fixedly connected with the top plate 1 and the bottom plate 2, the cleaning tank 4 is fixedly arranged on the upper middle part of the bottom plate 2, the rotating and rolling mechanism is arranged between the two side plates 3 and is located above the cleaning tank 4, and the middle part of the lower end of the top plate 1 is fixedly connected with Cylinder 5, the lower end of the cylinder 5 is provided with an elastic mechanism and is connected with the strip plate 7 in the cleaning mechanism through the elastic mechanism. The lower side of the cleaning plate 6 is detachably connected with cleaning sandpaper 8, the spray mechanism is arranged on the top plate 1, and the two water spray pipes 9 in the spray mechanism are fixed and run through the top plate 1 and are connected with the upper side of the arc-shaped cleaning plate 6 respectively. The front and rear ends are fixedly plugged.

Referring to FIG. 1 , a direction L1 indicates an upward direction, and a direction L2 indicates a downward direction.

As shown in Figures 1-4, the rotary rolling mechanism includes a first servo motor 10 and two rotary rollers 11, both of which are horizontally arranged above the cleaning pool 4 and symmetrically distributed front and back, and the two rotary rollers 11 The left and right ends are respectively connected in rotation with the two side plates 3 through the first bearing, and the right ends of the two rotating rollers 11 extend to the right and are fixedly connected with a sprocket 12, and the two sprockets 12 are mutually driven by a chain 13, and the two The left end of one of the rotating rollers 11 extends to the left, the first servo motor 10 is fixedly connected to the left side plate 3, and the output shaft of the first servo motor 10 is fixed to the left end of the rotating roller 11 through the first coupling connection, when the shaft parts need to be cleaned, place the shaft parts horizontally between the two rotating rollers 11, start the first servo motor 10, and the first servo motor 10 drives one of the two rotating rollers 11 to rotate Because the two rotating rollers 11 are mutually driven by the two sprockets 12 and the chain 13, the two rotating rollers 11 rotate in the same direction at the same time, which can make the shaft parts roll.

As shown in Figures 2 and 5, the cleaning mechanism includes a strip plate 7, a second servo motor 14, a reciprocating screw mandrel 15, a screw nut 16 and an arc-shaped cleaning plate 6, and the bottom side of the strip plate 7 is provided with a laterally arranged The chute, the screw nut 16 can be slidably arranged in the chute, the reciprocating screw rod 15 is horizontally arranged in the chute, and the left and right ends of the reciprocating screw rod 15 are respectively rotationally connected with the left and right sides of the chute through the second bearing, The screw nut 16 is movably connected with the reciprocating screw mandrel 15, and the lower end of the screw nut 16 extends to the underside of the strip plate 7 and is fixedly connected with the arc cleaning plate 6, and the left end of the reciprocating screw mandrel 15 extends to the strip plate 7, the second servo motor 14 is fixedly arranged on the left side of the strip plate 7, and the output shaft of the second servo motor 14 is fixedly connected with the left end of the reciprocating screw rod 15 through the second coupling, driven by the cylinder 5 The strip plate 7 moves downward, and the strip plate 7 drives the arc-shaped cleaning plate 6 and the cleaning sandpaper 8 to move downward through the elastic mechanism, so that the cleaning sandpaper 8 is closely opposed to the upper side of the shaft parts, and the second servo motor 14 is started to drive The reciprocating screw mandrel 15 rotates, and the reciprocating screw mandrel 15 can drive the screw nut 16 to reciprocate left and right, and the screw nut 16 drives the arc-shaped cleaning plate 6 and the cleaning sandpaper 8 to reciprocate left and right, thereby cleaning the surface of the shaft parts.

As shown in Figure 1 and Figure 2, the elastic mechanism includes a pressing plate 17, a plurality of telescopic rods 181 and a plurality of springs 18, the pressing plate 17 is fixedly connected with the lower end of the cylinder 5, and a plurality of telescopic rods 181 are all vertically arranged on the pressing plate 17 and the bar-shaped Between the plates 7, and the upper and lower ends of the telescopic rod 181 are fixedly connected with the pressure plate 17 and the strip plate 7 respectively, and a plurality of springs 18 are respectively sleeved with a plurality of telescopic rods 181. When the arc cleaning plate 6 and the cleaning sandpaper 8 When closely contacting the shaft parts, the arc-shaped cleaning plate 6 can be buffered by setting a plurality of springs 18 to avoid damage caused by hard extrusion between the arc-shaped cleaning plate 6 and the shaft parts.

As shown in Fig. 1, Fig. 2 and Fig. 5, the spray mechanism includes a water tank 19, a water pump 20 and a water spray pipe 9, the water tank 19 is fixedly arranged on the upper side of the top plate 1, and the water pump 20 is fixedly arranged in the water tank 19, and the output of the water pump 20 The end is fixedly connected with the input end of the water spray pipe 9, the water spray pipe 9 is provided with two output ends, and the two output ends of the water spray pipe 9 are all fixed in turn through the lower side wall and the top plate 1 of the water tank 19 and connected with the arc respectively. The front and rear sides of the shaped cleaning plate 6 are fixedly plugged in. When the shaft parts are cleaned, the water in the water tank 19 is extracted by the water pump 20 and sprayed out through the two output ends of the water spray pipe 9, so that the water can be cleaned. Rinse the surface of shaft parts.

As shown in Fig. 1, Fig. 2 and Fig. 4, a limit mechanism is also provided on the two rotating rollers 11, and the limit mechanism includes two limit plates 21 and an adjustment assembly, and the two limit plates 21 are symmetrically distributed on the left and right, and each The sides of the limiting plate 21 are provided with two circular holes, each limiting plate 21 is movably sleeved with the two rotating rollers 11 through the two circular holes, the adjusting assembly is arranged under the two rotating rollers 11, and the adjusting assembly The two ends of the two-way threaded rod 22 rod wall in the middle are respectively threaded with two limiting plates 21.

Simultaneously, the adjustment assembly includes a two-way threaded rod 22, and the left and right ends of the two-way threaded rod 22 are respectively connected in rotation with the two side plates 3 through the third bearing, and threaded holes are provided under the side walls of the two side plates 3. The side plate 3 is threadedly connected with two ends of the rod wall of the two-way threaded rod 22 respectively through threaded holes, and the left side of the rod wall of the two-way threaded rod 22 is fixedly connected with a rotating wheel 23 .

When the shaft parts are placed on the two rotating rollers 11, the rotation of the rotating wheel 23 drives the two-way threaded rod 22 to rotate, and the rotation of the two-way threaded rod 22 drives the two limit plates 21 to move relatively, so that the two sides of the shaft parts can be adjusted Limiting to avoid shaft parts from moving left and right on the two rotating rollers 11.

As shown in Figure 6, the circumferential side wall of each circular hole is provided with a plurality of evenly distributed spherical grooves, and balls 24 are rolled inside the plurality of spherical grooves, and the plurality of balls 24 are all offset against the rotating roller 11 and can scroll.

As shown in Fig. 2, Fig. 7 and Fig. 8, the upper end of cleaning tank 4 is provided with filter screen 25, and the front side end face of filter screen 25 is trapezoidal setting, and the left and right ends of filter screen 25 are all fixedly connected with placement plate 26, cleaning Two insertion rods 27 are fixedly arranged on the left and right sides of the upper end of the pool 4, and two jacks are provided on the upper side of the two placement plates 26, and the two placement plates 26 are respectively placed on both sides of the upper end of the cleaning pool 4, And the insertion rods 27 on both sides are respectively inserted into the jacks on the two placement plates 26, so that the filter screen 25 can be stably placed in the cleaning tank 4, and the dirt in the sewage falling into the cleaning tank 4 is conveniently filtered.

As shown in Figure 5, the underside of the arc-shaped cleaning plate 6 is fixedly provided with a round hair sticker 28, and the upper surface of the cleaning sandpaper 8 is fixedly provided with a bristle sticker 29, so that the cleaning sandpaper 8 is bonded to the bottom of the arc-shaped cleaning plate 6. side, and it is convenient to replace the cleaning sandpaper 8.

The left side upper end of water tank 19 is fixedly connected with replenishing pipe, and spray pipe 9 is a flexible pipe, and the left side lower end of cleaning tank 4 is fixedly connected with drainpipe, and drainpipe is provided with control valve.

A working process of the embodiment of the present application: when the shaft parts need to be cleaned, place the shaft parts horizontally between the two rotating rollers 11, start the first servo motor 10, and the first servo motor 10 drives the two rotating rollers One of the rotating rollers 11 in 11 rotates. Since the two rotating rollers 11 are mutually transmitted through the two sprockets 12 and the chain 13, the two rotating rollers 11 rotate in the same direction at the same time, which can make the shaft parts roll and be driven by the cylinder 5. The strip plate 7 moves downward, and the strip plate 7 drives the arc-shaped cleaning plate 6 and the cleaning sandpaper 8 to move downward through the elastic mechanism, so that the cleaning sandpaper 8 is closely opposed to the upper side of the shaft parts, and the second servo motor 14 is started to drive The reciprocating screw mandrel 15 rotates, and the reciprocating screw mandrel 15 can drive the screw nut 16 to reciprocate left and right, and the screw nut 16 drives the arc-shaped cleaning plate 6 and the cleaning sandpaper 8 to reciprocate left and right. Extract and spray through the two output ends of the water spray pipe 9, so that the surface of the shaft parts can be rinsed, and then the surface of the shaft parts can be cleaned to improve the cleaning effect of the shaft parts.

The embodiment of this application discloses a comprehensive pretreatment system for metal hard chromium electroplating, which effectively solves the problem that when cleaning shaft parts, generally the shaft parts are directly put into the cleaning pool for cleaning, and only the surface can be cleaned. Dust and dirt, but when some rust or stains are firmly bonded on the surface of the part, it is difficult to clean it, which will affect the effect of subsequent hard chrome plating.

Effect and advantage of the embodiment of the present application:

Through the mutual cooperation of the provided bracket, cleaning pool, spraying mechanism, rotating and rolling mechanism and cleaning mechanism, when the shaft parts need to be cleaned, place the shaft parts horizontally between the two rotating rollers, and start the first servo motor , the first servo motor drives a rotating roller to rotate. Since the two rotating rollers are mutually transmitted through two sprockets and chains, the two rotating rollers rotate in the same direction at the same time, which can make the shaft parts roll, and the strip plate is driven by the cylinder. Moving towards each other, the strip plate drives the arc-shaped cleaning plate and the cleaning sandpaper to move downward, so that the cleaning sandpaper is closely against the upper side of the shaft parts, and the second servo motor is started to drive the reciprocating screw to rotate, and the rotation of the reciprocating screw can drive the screw The nut reciprocates left and right, and the screw nut drives the arc-shaped cleaning plate and cleaning sandpaper to reciprocate left and right. At the same time, the water in the water tank is extracted by the water pump and sprayed out through the two output ends of the water spray pipe, so that the shaft parts can be cleaned. The surface of the shaft is cleaned, and the cleaning effect is good. It can completely remove the rust and dirt on the surface of the shaft parts, which is convenient for subsequent hard chrome plating.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. There is no such actual relationship or order between them. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device.

Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the concept of the present invention. The scope of the application is defined by the claims appended hereto and their equivalents.

Claims

A comprehensive pre-treatment system for metal hard chromium electroplating, including a bracket, a cleaning pool (4) and a spray mechanism, and also includes a rotating and rolling mechanism and a cleaning mechanism. The bracket includes a top plate (1), a bottom plate (2) and two The side plate (3), the top plate (1) and the bottom plate (2) are arranged in parallel, and the two side plates (3) are vertically arranged between the top plate (1) and the bottom plate (2) respectively and symmetrically distributed left and right, And the upper and lower ends of each side plate (3) are fixedly connected with the top plate (1) and the bottom plate (2) respectively, the cleaning pool (4) is fixedly arranged on the upper side of the bottom plate (2), and the rotating and rolling mechanism is set Between the two side plates (3) and above the cleaning pool (4), the lower end of the top plate (1) is fixedly connected with a cylinder (5), the lower end of the cylinder (5) is provided with an elastic mechanism and passes The elastic mechanism is connected with the strip plate (7) in the cleaning mechanism, and the arc-shaped cleaning plate (6) in the cleaning mechanism is horizontally slid and arranged on the lower side of the strip plate (7), and the arc-shaped cleaning plate (6) ) is detachably connected with cleaning sandpaper (8), the spray mechanism is arranged on the top plate (1), and the two water spray pipes (9) in the spray mechanism are fixed through the top plate (1) and connected to the top plate (1) respectively. The front and rear ends of the arc cleaning plate (6) are fixedly inserted.
The comprehensive pre-treatment system of a kind of metal hard chromium electroplating according to claim 1, wherein, said rotary rolling mechanism comprises a first servo motor (10) and two rotary rollers (11), two said rotary rollers ( 11) respectively horizontally arranged above the cleaning pool (4) and symmetrically distributed, and the two ends of the two rotating rollers (11) are respectively connected to the two side plates (3) in rotation through the first bearing, and the two rotating rollers The right end of (11) extends to the right respectively and is fixedly connected with sprocket wheel (12), and two described sprocket wheels (12) are mutually driven by chain (13), and one of the said rotating rollers in two rotating rollers (11) The left end of (11) extends to the left, and the first servo motor (10) is fixedly connected to the side plate (3) on the left side, and the output shaft of the first servo motor (10) is connected to the first shaft coupling The left end of the one rotating roller (11) is fixedly connected.
A comprehensive pretreatment system for metal hard chrome plating according to claim 1 or 2, wherein the cleaning mechanism includes a strip plate (7), a second servo motor (14), a reciprocating screw mandrel (15), screw nut (16) and arc-shaped cleaning plate (6), the lower side of the strip plate (7) is provided with a laterally arranged chute, and the screw nut (16) is slidably arranged in the chute, so that The reciprocating screw rod (15) is horizontally arranged in the chute, the left and right ends of the reciprocating screw rod (15) are respectively connected to the left and right sides of the chute through the second bearing, and the screw nut (16) and the The reciprocating screw mandrel (15) is movably connected, and the lower end of the screw mandrel nut (16) extends to the underside of the strip plate (7) and is fixedly connected with the arc-shaped cleaning plate (6). The reciprocating screw mandrel (15) The left end of the left end extends to the left side of the strip plate (7), the second servo motor (14) is fixedly arranged on the left side of the strip plate (7), and the output shaft of the second servo motor (14) passes through the second Shaft coupling is fixedly connected with the left end of reciprocating screw mandrel (15).
The comprehensive pre-treatment system of a kind of metal hard chromium electroplating according to claim 3, wherein, said elastic mechanism comprises pressing plate (17), a plurality of expansion rods (181) and a plurality of springs (18), and described pressing plate ( 17) It is fixedly connected with the lower end of the cylinder (5), and a plurality of said telescopic rods (181) are respectively vertically arranged between the pressing plate (17) and the strip plate (7), and the upper and lower sides of each telescopic rod (181) The two ends are fixedly connected with the pressing plate (17) and the strip plate (7) respectively, and each spring (18) in the plurality of springs (18) is connected with one telescopic rod (181) in the plurality of telescopic rods (181) respectively. ) activity set.
The comprehensive pretreatment system of a kind of metal hard chromium electroplating according to claim 3, wherein, said spray mechanism comprises water tank (19), water pump (20) and water spray pipe (9), and described water tank (19) It is fixedly arranged on the upper side of the top plate (1), the water pump (20) is fixedly arranged in the water tank (19), and the output end of the water pump (20) is fixedly connected with the input end of the water spray pipe (9). The water spray pipe (9) is provided with two output ends, and the two output ends of the water spray pipe (9) are fixed successively through the lower side wall and the top plate (1) of the water tank (19) and respectively connected with the arc cleaning plate (6 ) on both sides of the front and rear fixed socket.
A comprehensive pretreatment system for metal hard chromium electroplating according to claim 2, wherein a limiting mechanism is also arranged on the two rotating rollers (11), and the limiting mechanism includes two limiting plates (21 ) and the adjustment assembly, the two limiting plates (21) are symmetrically distributed left and right, and the sides of each limiting plate (21) are provided with two circular holes, and each limiting plate (21) passes through The two circular holes are movably sleeved with the two rotating rollers (11), and the adjustment assembly is arranged under the two rotation rollers (11), and the two ends of the rod wall of the two-way threaded rod (22) in the adjustment assembly are respectively connected to the two A limiting plate (21) is threaded.
A comprehensive pre-treatment system for metal hard chrome plating according to claim 6, wherein the adjustment assembly includes a two-way threaded rod (22), and the left and right ends of the two-way threaded rod (22) pass through the third bearing respectively It is rotationally connected with the two side plates (3), and the side walls of the two side plates (3) are provided with threaded holes, and the two side plates (3) are respectively connected with the rods of the two-way threaded rods (22) through the threaded holes. Both ends of the wall are threaded, and the wall of the two-way threaded rod (22) is fixedly connected with a rotating wheel (23).
A comprehensive pre-treatment system for metal hard chrome plating according to claim 7, wherein a plurality of uniformly distributed spherical grooves are provided on the circumferential side wall of each of the circular holes, and the interiors of the plurality of spherical grooves are respectively The rolling is provided with balls (24), and each ball (24) in the plurality of balls (24) respectively abuts against one of the two rotating rollers (11) and rolls.
A comprehensive pretreatment system for metal hard chrome plating according to claim 1, wherein a filter screen (25) is provided at the upper end of the cleaning pool (4), and the end face of the filter screen (25) is trapezoidally arranged , and the left and right ends of the filter screen (25) are respectively fixedly connected with a placement plate (26), and two inserting rods (27) are fixedly arranged on the described cleaning tank (4), and two of the placement plates (26) Two sockets are respectively opened on the upper side.
A comprehensive pretreatment system for metal hard chrome electroplating according to claim 3, wherein the underside of the arc-shaped cleaning plate (6) is fixedly provided with round hair stickers (28), and the cleaning sandpaper (8) The upper surface is fixedly provided with bristle stickers (29).