Novel micro-plating brush knife mechanism

Abstract

The utility model discloses a novel micro-plating brush knife mechanism which comprises a brush knife assembly, the brush knife assembly comprises a brush knife main body, a cover plate and a liquid supply unit, the brush knife main body is provided with a beam part and a blade part, and the blade part is arranged on one side of the beam part; the cover plate is correspondingly arranged on the surface of the blade part, a liquid conveying gap is formed between the cover plate and the blade part, and the liquid conveying gap extends from one side, close to the beam part, of the blade part to the other side and forms an opening; the liquid supply unit is connected with the beam part, and the output end of the liquid supply unit communicates to the surface of the blade part through the beam part; the blade part is provided with a liquid outlet surface, a backflow surface and a backflow cavity; the brush knife assembly comprises two cover plates, and the two cover plates are arranged on the liquid outlet face and the backflow face respectively and form liquid conveying gaps respectively. According to the brush knife assembly, the arrangement interval between the blade part and the cover plate can be adjusted, and therefore the liquid medicine output amount of the brush knife assembly can be adjusted.

Description

Technical Field

[0001] The utility model relates to the technical field of electroplating brush knives, in particular to a novel micro electroplating brush knife mechanism. Background Art

[0002] An electroplating brush knife is a tool used in electroplating processes, mainly for local electroplating of specific areas. It is usually made of conductive materials and applies electroplating liquid to the surface of the workpiece in the form of a brush, thereby achieving local electroplating. Electroplating brush knives are widely used in repair and maintenance work, such as repairing worn mechanical parts, electroplating areas that are difficult to reach, and locally enhancing electroplating layers. In continuous electroplating processing, the brush knife has the advantages of being flexible and convenient, and can perform precise electroplating on local areas. However, it is not suitable for large-area and large-batch electroplating, and it is relatively difficult to control the electroplating thickness and uniformity. It depends on the experience of the operator, and the electroplating efficiency is relatively low. It is suitable for small-area and local processing.

[0003] At present, most of the brush plating fixtures cannot meet the products with narrow plating layers; moreover, the output of the plating solution is not stable, and it is very difficult to achieve the stability of the plating layer. In this way, neither the quality of the product can be guaranteed, nor will the plating solution be excessively consumed. When performing continuous plating during electroplating, the open width of the output end of the brush knife is difficult to be adaptively adjusted according to the actual electroplating working conditions. However, it determines the uniformity and thickness of the plating layer. If the width of the output end of the brush knife is too large, it is easy to cause excessive output of the plating solution, resulting in excessive consumption of the plating solution; it is also easy to cause unstable output of the plating solution at each point of the brush knife, and then lead to the plating layer exceeding the preset area and uneven plating layer thickness. Summary of the Utility Model

[0004] Based on this, in view of the technical problem that it is difficult to control the output amount of the plating solution for the existing brush knife, it is necessary to provide a novel micro electroplating brush knife mechanism.

[0005] A novel micro electroplating brush knife mechanism, which includes a brush knife assembly. The brush knife assembly includes a brush knife body, a cover plate, and a liquid supply unit. The brush knife body is provided with a beam part and a blade part. The blade part is arranged on one side of the beam part. The cover plate is correspondingly arranged on the surface of the blade part. And a liquid infusion gap is formed between the cover plate and the blade part. The liquid infusion gap extends from the side of the blade part close to the beam part to the other side and forms an opening; the liquid supply unit is connected to the beam part, and the output end of the liquid supply unit is communicated to the surface of the blade part through the beam part.

[0006] The blade part is provided with a liquid outlet surface, a liquid return surface, and a liquid return cavity. The liquid outlet surface and the liquid return surface are oppositely arranged on both side surfaces of the blade part; the liquid return cavity is arranged inside the blade part; the liquid return cavity is communicated to the liquid return surface, and the liquid outlet surface is communicated to the liquid supply unit through the beam part.

[0007] The knife-brushing assembly includes two cover plates which are respectively arranged on the liquid outlet surface and the reflux surface and respectively form a liquid infusion gap; the openings of the liquid infusion gaps are arranged at the confluence of the two sides of the blade part of the liquid infusion gaps.

[0008] In one embodiment, a liquid outlet cavity is arranged in the above-mentioned beam part, the liquid outlet cavity is arranged inside the beam part, and the input end of the liquid outlet cavity is connected to the input end of the liquid supply unit, and the output end of the liquid outlet cavity communicates with the liquid outlet surface.

[0009] In one embodiment, a plurality of liquid outlet channels are arranged on the above-mentioned liquid outlet surface, one end of each liquid outlet channel is arranged on the surface of the liquid outlet surface, and the other end of each liquid outlet channel communicates with the liquid outlet cavity.

[0010] In one embodiment, the above-mentioned liquid supply unit is arranged as a water inlet pipe, and the water inlet pipe is arranged in the liquid outlet cavity.

[0011] In one embodiment, a plurality of water outlet holes are arranged on the above-mentioned water inlet pipe, and each water outlet hole communicates the inside of the water inlet pipe with the liquid outlet cavity.

[0012] In one embodiment, a plurality of reflux channels are arranged on the above-mentioned reflux surface, one end of each reflux channel is arranged on the surface of the reflux surface, and the other end of each reflux channel communicates with the reflux cavity.

[0013] In one embodiment, the above-mentioned knife-brushing assembly further includes a water return pipe, and the water return pipe is arranged in the reflux cavity.

[0014] In one embodiment, a plurality of water return holes are arranged on the above-mentioned water return pipe, and each water return hole communicates the inside of the water return pipe with the reflux cavity.

[0015] In one embodiment, mounting grooves are arranged on both the above-mentioned liquid outlet surface and the reflux surface, and the two cover plates are respectively mounted on the liquid outlet surface and the reflux surface through the corresponding mounting grooves.

[0016] In one embodiment, each of the above-mentioned mounting grooves is provided with a liquid infusion groove, and each liquid infusion groove is arranged inside the corresponding mounting groove. Thus, when each cover plate is mounted on the corresponding mounting groove, a corresponding liquid infusion gap is formed between the cover plate and the liquid infusion groove.

[0017] In one embodiment, the above-mentioned novel micro-plated knife-brushing mechanism further includes a brush cloth adjusting assembly, and the brush cloth adjusting assembly is arranged on both sides of the knife-brushing assembly.

[0018] In one embodiment, the above-mentioned brush cloth adjusting assembly includes two brush cloth tensioning shafts and two mounting plates; the two brush cloth tensioning shafts are respectively arranged in parallel on both sides of the knife-brushing assembly; the two mounting plates are sleeved on both ends of each brush cloth tensioning shaft, and the two mounting plates are correspondingly sleeved on both ends of the water inlet pipe.

[0019] In one embodiment, both ends of each brush cloth tensioning shaft extend to the outside of the two mounting plates respectively, and adjusting handles are respectively arranged at the end parts of both ends of the brush cloth tensioning shaft.

[0020] In one embodiment, a locking member is arranged at the end part of each mounting plate corresponding to the two brush cloth tensioning shafts. Each locking member is rotatably connected to the inside of the mounting plate until the end part of the locking member abuts against the side surface of the corresponding brush cloth tensioning shaft.

[0021] In the above-mentioned novel micro-plating brush knife mechanism, the cutting edge of the brush knife body faces the surface of the plating part. At this time, the opening of the liquid infusion gap formed between the cover plate and the cutting edge faces the surface of the plating part. When the liquid supply unit injects the liquid medicine into the inside of the beam part, the liquid medicine flows out from the surface of the cutting edge to the liquid infusion gap, and then flows out through the opening of the liquid infusion gap, and is coated on the surface of the plating part through the cooperation of the cover plate and the cutting edge, thereby completing the coating process of the liquid medicine. Compared with the existing brush plating equipment, the brush knife assembly of the present utility model can adjust the setting interval between the cutting edge and the cover plate according to the actual coating thickness requirement, that is, adjust the thickness of the liquid infusion gap and the width of the opening of the liquid infusion gap, so as to realize the adjustment of the liquid medicine output amount of the brush knife assembly, thereby effectively reducing the excessive consumption of the liquid medicine while improving the uniformity of the coating thickness of the liquid medicine, and further obtaining a coating with higher stability and thickness consistency on the surface of the plating part. Specifically, when the liquid supply unit injects the liquid medicine into the beam part, the liquid medicine flows out from the liquid outlet surface of the cutting edge to the corresponding liquid infusion gap and flows towards the opening; at this time, the reflux cavity is connected to an external liquid medicine reflux device, so that a negative pressure area is formed in the reflux cavity and the liquid infusion gap communicated with it compared with the other liquid infusion gap. When the liquid medicine flows to the opening, part of the output liquid medicine is coated and attached to the surface of the plating part, and the excess liquid medicine flows back to the reflux cavity through the other liquid infusion gap under the drive of the siphon effect, and then cooperates with the external reflux device to realize the recycling of the excess liquid medicine, so as to effectively control the amount of liquid medicine output from the cutting edge to the surface of the plating part, and at the same time can effectively reduce the unnecessary loss of the liquid medicine and improve the utilization rate of the liquid medicine. Description of the Drawings

[0022] Figure 1 It is a schematic structural diagram of the novel micro-plating brush knife mechanism in one embodiment;

[0023] Figure 2 It is an exploded structural diagram of the novel micro-plating brush knife mechanism in one embodiment;

[0024] Figure 3 It is a schematic structural diagram of the novel micro-plating brush knife mechanism in one embodiment;

[0025] Figure 4 For Figure 3 It is a schematic cross-sectional structural diagram of part A-A in the shown embodiment;

[0026] Figure 5Schematic diagram of the brush cutter body structure of the novel micro-plated brush cutter mechanism in an embodiment;

[0027] Figure 6 is Figure 5 Schematic cross-sectional structure of part B-B in the illustrated embodiment. Detailed implementation manners

[0028] To make the above objects, features, and advantages of the present utility model more apparent and understandable, the following will describe the detailed implementation manners of the present utility model in conjunction with the accompanying drawings. Many specific details are set forth in the following description to fully understand the present utility model. However, the present utility model can be implemented in many other ways different from those described herein. Those skilled in the art can make similar improvements without departing from the connotation of the present utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed below.

[0029] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation of the present utility model.

[0030] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present utility model, the meaning of "a plurality" is at least two, such as two, three, etc., unless otherwise specifically defined.

[0031] In the present utility model, unless otherwise clearly specified and limited, the terms "mounted", "connected", "connected", "fixed", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. It can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0032] In the present utility model, unless otherwise clearly specified and defined, the first feature being "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature may be that the first feature is directly above or obliquely above the second feature, or merely indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature being "under", "below" and "beneath" the second feature may be that the first feature is directly below or obliquely below the second feature, or merely indicates that the horizontal height of the first feature is less than that of the second feature.

[0033] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or there may also be an intermediate element. When an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intermediate element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are only for the purpose of illustration and do not represent the only implementation.

[0034] Please refer to Figures 1 to 6, the present utility model discloses a novel micro-plating brush knife mechanism 10. The novel micro-plating brush knife mechanism 10 includes a brush knife assembly 100. The brush knife assembly 100 is used to output the potion to the plating part and complete the coating, so as to form a potion layer with a certain width and thickness on the surface of the plating part, so as to complete the pretreatment of electroplating on the surface of the workpiece. Specifically, the brush knife assembly 100 includes a brush knife body 110, a cover plate 120 and a liquid supply unit. The brush knife body 110 is provided with a beam portion 111 and a blade portion 112. The blade portion 112 is arranged on one side of the beam portion 111. The cover plate 120 is correspondingly arranged on the surface of the blade portion 112. And a liquid infusion gap a is formed between the cover plate 120 and the blade portion 112. The liquid infusion gap a extends from the side of the blade portion 112 close to the beam portion 111 to the other side and forms an opening b; the liquid supply unit is connected to the beam portion 111. And the output end of the liquid supply unit is communicated to the surface of the blade portion 112 through the beam portion 111. Thus, the liquid supply unit can sequentially transport the potion through the beam portion 111 and the blade portion 112 to the liquid infusion gap a. Then, the potion flows out through the opening b of the liquid infusion gap a. In practical applications, the blade portion 112 of the brush knife body 110 faces the surface of the plating part. At this time, the opening b of the liquid infusion gap a formed between the cover plate 120 and the blade portion 112 faces the surface of the plating part. When the liquid supply unit injects the potion into the beam portion 111, the potion flows out from the surface of the blade portion 112 to the liquid infusion gap a, and then flows out through the opening b of the liquid infusion gap a, and is coated on the surface of the plating part through the cooperation of the cover plate 120 and the blade portion 112, so as to complete the coating process of the potion. Compared with the existing brush plating equipment, the brush knife assembly 100 of the present utility model can adjust the setting interval between the blade portion 112 and the cover plate 120 according to the actual coating thickness requirement, that is, adjust the thickness of the liquid infusion gap a and the width of the opening b of the liquid infusion gap a, so as to realize the adjustment of the potion output amount of the brush knife assembly 100, thereby effectively reducing the excessive consumption of the potion while improving the uniformity of the coating thickness of the potion, and further obtaining a coating with higher stability and thickness consistency on the surface of the plating part.

[0035] Furthermore, the blade part 112 is provided with a liquid outlet surface 1121, a reflux surface 1122 and a reflux cavity c. The liquid outlet surface 1121 and the reflux surface 1122 are oppositely arranged on both side surfaces of the blade part 112; the reflux cavity c is arranged inside the blade part 112; the reflux cavity c communicates with the reflux surface 1122, and the liquid outlet surface 1121 communicates with the liquid supply unit through the beam part 111. Specifically, the brush knife assembly 100 includes two cover plates 120 which are respectively arranged on the liquid outlet surface 1121 and the reflux surface 1122 and respectively form a liquid infusion gap a; the opening b of the liquid infusion gap a is arranged at the confluence of the liquid infusion gaps a on both sides of the blade part 112. When the liquid supply unit injects the liquid medicine into the beam part 111, the liquid medicine flows out from the liquid outlet surface 1121 of the blade part 112 into the corresponding liquid infusion gap a and flows towards the opening b; at this time, the reflux cavity c is connected to an external liquid medicine reflux device, so that a negative pressure area is formed in the reflux cavity c and the liquid infusion gap a communicated therewith compared with the other liquid infusion gap a. When the liquid medicine flows to the opening b, part of the output liquid medicine is coated and attached to the surface of the plating part, and the redundant liquid medicine flows back into the reflux cavity c through the other liquid infusion gap a under the drive of the siphon effect, and then cooperates with the external reflux device to realize the recycling of the redundant liquid medicine, so as to effectively control the amount of the liquid medicine output from the blade part 112 to the surface of the plating part, and at the same time, effectively reduce the unnecessary loss of the liquid medicine and improve the utilization rate of the liquid medicine.

[0036] Furthermore, the beam part 111 is provided with a liquid outlet cavity d which is arranged inside the beam part 111. And the input end of the liquid outlet cavity d is connected to the input end of the liquid supply unit, and the output end of the liquid outlet cavity d communicates with the liquid outlet surface 1121. Thus, the liquid supply unit can inject the liquid medicine into the liquid outlet cavity d at a preset pressure, and then the liquid medicine is output to the liquid outlet surface 1121 under the push of the liquid supply unit. Specifically, the liquid outlet surface 1121 is provided with a plurality of liquid outlet channels d1. One end of each liquid outlet channel d1 is arranged on the surface of the liquid outlet surface 1121, and the other end of each liquid outlet channel d1 communicates with the liquid outlet cavity d, so that the liquid medicine in the liquid outlet cavity d can flow into the liquid infusion gap a between the liquid outlet surface 1121 and the corresponding cover plate 120 through the plurality of liquid outlet channels d1.

[0037] In one embodiment, the liquid supply unit is set as a water inlet pipe 130 which is arranged in the liquid outlet cavity d. The input end of the water inlet pipe 130 is connected to an externally adapted liquid medicine generating or outputting device, and the output end of the water inlet pipe 130 communicates with the liquid outlet cavity d, so that the liquid medicine can be input into the liquid outlet cavity d through the water inlet pipe 130. Specifically, the water inlet pipe 130 is provided with a plurality of water outlet holes e, and each water outlet hole e communicates the inside of the water inlet pipe 130 with the liquid outlet cavity d, thereby realizing the communication between the water inlet pipe 130 and the liquid outlet cavity d.

[0038] Further, a number of return channels c1 are provided on the return surface 1122. One end of each return channel c1 is provided on the surface of the return surface 1122, and the other end of each return channel c1 communicates with the return cavity c. Thus, the liquid medicine flowing towards the return surface 1122 under the siphon action can flow into the return cavity c through the number of return channels c1.

[0039] Further, the brush knife assembly 100 further includes a return water pipe 140. The return water pipe 140 is arranged in the return cavity c. The output end of the return water pipe 140 is connected to an externally adapted liquid medicine circulation device, and the input end of the return water pipe 140 communicates with the return cavity c. Thus, the liquid medicine in the return cavity c can be output to the external liquid medicine circulation device through the return water pipe 140 to complete the recycling of the liquid medicine. Specifically, a number of return water holes f are provided in the return water pipe 140, and each return water hole f communicates the inside of the return water pipe 140 with the return cavity c, thereby realizing the connection between the return water pipe 140 and the return cavity c.

[0040] Further, mounting grooves g are provided on both the liquid outlet surface 1121 and the return surface 1122. The two cover plates 120 are respectively mounted on the liquid outlet surface 1121 and the return surface 1122 through the corresponding mounting grooves g, thereby realizing the detachable installation between the two cover plates 120 and the blade part 112. In practical applications, the cover plates 120 can be disassembled and replaced according to the actual working conditions, so as to adjust the width between the two cover plates 120 and the open ends b of the infusion gap a, thereby adjusting the liquid medicine output amount of the brush knife assembly 100 on the surface of the plating part.

[0041] Further, each mounting groove g is provided with an infusion groove g1, and each infusion groove g1 is arranged inside the corresponding mounting groove g. Thus, when each cover plate 120 is mounted on the corresponding mounting groove g, a corresponding infusion gap a is formed between the cover plate 120 and the infusion groove g1.

[0042] Further, the new micro-plating brush knife mechanism 10 further includes a brush cloth adjusting assembly 200. The brush cloth adjusting assembly 200 is arranged on both sides of the brush knife assembly 100. When the brush knife assembly 100 cooperates with a brush cloth (not shown) to electroplate a plating part, the brush cloth adjusting assembly 200 can adjust the tension of the brush cloth. Specifically, the brush cloth adjusting assembly 200 includes two brush cloth tensioning shafts 210 and two mounting plates 220; the two brush cloth tensioning shafts 210 are respectively arranged in parallel on both sides of the brush knife assembly 100; the two mounting plates 220 are sleeved on both ends of each brush cloth tensioning shaft 210, and moreover, the two mounting plates 220 are correspondingly sleeved on both ends of the water inlet pipe 130, thereby connecting the two brush cloth tensioning shafts 210 to the brush knife assembly 100 to form the whole new micro-plating brush knife mechanism 10. In practical applications, both sides of the brush cloth are respectively connected to the two brush cloth tensioning shafts 210. Thus, the operator can adjust the tension of the brush cloth by rotating the two brush cloth tensioning shafts 210.

[0043] Further, both ends of each cloth-brushing tensioning shaft 210 extend to the outside of the two mounting plates 220, and adjusting handles 211 are respectively arranged at the end parts of both ends of the cloth-brushing tensioning shaft 210, so as to facilitate the operator to rotate the cloth-brushing tensioning shaft 210 to adjust the tension of the cloth-brushing.

[0044] Further, a locking member 221 is arranged at the end part of each mounting plate 220 corresponding to the two cloth-brushing tensioning shafts 210. Each locking member 221 is rotatably connected to the inside of the mounting plate 220 until the end part of the locking member 221 abuts against the side surface of the corresponding cloth-brushing tensioning shaft 210. In actual application, when the two cloth-brushing tensioning shafts 210 are rotated and adjusted to a preset angle, the locking member 221 is rotated and screwed into the inside of the mounting plate 220, and then the end part of the locking member 221 is made to correspondingly abut against the side surface of the corresponding cloth-brushing tensioning shaft 210, so as to limit the rotation of the cloth-brushing tensioning shaft 210, thereby realizing the locking function of the locking member 221.

[0045] In summary, for the novel micro-plating brush knife mechanism disclosed by the present utility model, the cutting edge of the brush knife body faces the surface of the plating part. At this time, the opening of the liquid infusion gap formed between the cover plate and the cutting edge is arranged facing the surface of the plating part. After the liquid supply unit injects the liquid medicine into the beam part, the liquid medicine flows out from the surface of the cutting edge to the liquid infusion gap, and then flows out through the opening of the liquid infusion gap, and is coated on the surface of the plating part through the cooperation of the cover plate and the cutting edge, thereby completing the coating process of the liquid medicine. Compared with the existing brush plating equipment, the brush knife assembly of the present utility model can adjust the setting interval between the cutting edge and the cover plate according to the actual coating thickness requirement, that is, adjust the thickness of the liquid infusion gap and the width of the opening of the liquid infusion gap, so as to realize the adjustment of the liquid medicine output amount of the brush knife assembly, thereby effectively reducing the excessive consumption of the liquid medicine while improving the uniformity of the coating thickness of the liquid medicine, and further obtaining a coating with higher stability and thickness consistency on the surface of the plating part. Specifically, when the liquid supply unit injects the liquid medicine into the beam part, the liquid medicine flows out from the liquid outlet surface of the cutting edge to the corresponding liquid infusion gap and flows towards the opening; at this time, the reflux cavity is connected to an external liquid medicine reflux device, so that a negative pressure area is formed in the reflux cavity and the liquid infusion gap communicated therewith compared with the other liquid infusion gap. When the liquid medicine flows to the opening, part of the output liquid medicine is coated and attached to the surface of the plating part, and the excess liquid medicine flows back to the reflux cavity through the other liquid infusion gap under the drive of the siphon effect, and then cooperates with the external reflux device to realize the recycling of the excess liquid medicine, so as to effectively control the amount of liquid medicine output from the cutting edge to the surface of the plating part, and at the same time can effectively reduce the unnecessary loss of the liquid medicine and improve the utilization rate of the liquid medicine.

[0046] The technical features of the above-described embodiments can be combined arbitrarily. For the sake of concise description, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope recorded in this specification.

[0047] The above-described embodiments merely represent several implementation manners of the present utility model. The description thereof is relatively specific and detailed, but it should not be construed as a limitation to the scope of the utility model patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present utility model, several modifications and improvements can still be made, and these all fall within the protection scope of the present utility model. Therefore, the protection scope of the present utility model patent shall be subject to the appended claims.

Claims

1. A novel micro-plating brush knife mechanism, characterized in that: include: A brush blade assembly, the brush blade assembly comprising a brush blade body, a cover plate and a liquid supply unit, the brush blade body being provided with a beam portion and a blade portion, the blade portion being provided at one side of the beam portion; the cover plate being provided correspondingly on the surface of the blade portion, and a liquid infusion gap being formed between the cover plate and the blade portion, the liquid infusion gap extending from one side of the blade portion close to the beam portion to the other side and forming an opening; the liquid supply unit being connected to the beam portion, and an output end of the liquid supply unit being connected to the surface of the blade portion through the beam portion; The blade portion is provided with a liquid outlet surface, a reflux surface and a reflux cavity, wherein the liquid outlet surface and the reflux surface are arranged on two side surfaces of the blade portion opposite to each other; the reflux cavity is arranged inside the blade portion; the reflux cavity is connected to the reflux surface, and the liquid outlet surface is connected to the liquid supply unit through the beam portion; The brush blade assembly comprises two cover plates, which are respectively arranged on the liquid outlet surface and the return surface and respectively form the liquid infusion gap.

2. The novel micro-plating brush knife mechanism according to claim 1 is characterized in that: The beam portion is provided with a liquid outlet cavity, the liquid outlet cavity is arranged inside the beam portion, the input end of the liquid outlet cavity is connected to the input end of the liquid supply unit, and the output end of the liquid outlet cavity is connected to the liquid outlet surface.

3. The novel micro-plating brush knife mechanism according to claim 2 is characterized in that: The liquid outlet surface is provided with a plurality of liquid outlet channels, one end of each of the liquid outlet channels is provided on the surface of the liquid outlet surface, and the other end of each of the liquid outlet channels is connected to the liquid outlet cavity.

4. The novel micro-plating brush cutter mechanism according to claim 3 is characterized in that: The liquid supply unit is configured as a water inlet pipe, and the water inlet pipe is disposed in the liquid outlet cavity.

5. The novel micro-plating brush blade mechanism according to claim 4 is characterized in that: The water inlet pipe is provided with a plurality of water outlet holes, and each of the water outlet holes communicates with the interior of the water inlet pipe and the liquid outlet cavity.

6. The novel micro-plating brush blade mechanism according to claim 1 is characterized in that: The reflux surface is provided with a plurality of reflux channels, one end of each of the reflux channels is provided on the surface of the reflux surface, and the other end of each of the reflux channels is connected to the reflux cavity.

7. The novel micro-plating brush blade mechanism according to claim 6 is characterized in that: The brush blade assembly also includes a water return pipe, which is arranged in the reflux chamber.

8. The novel micro-plating brush cutter mechanism according to claim 7 is characterized in that: The water return pipe is provided with a plurality of water return holes, and each of the water return holes is connected with the interior of the water return pipe and the reflux chamber.

9. The novel micro-plating brush cutter mechanism according to claim 1 is characterized in that: The liquid outlet surface and the return surface are both provided with mounting grooves, and the two cover plates are respectively mounted to the liquid outlet surface and the return surface through the corresponding mounting grooves.

10. The novel micro-plating brush cutter mechanism according to claim 9 is characterized in that: Each of the installation slots is provided with an infusion slot, and each of the infusion slots is arranged inside the corresponding installation slot.

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