Rapid copper conductive brush replacing device for magnetic powder inspection equipment

Abstract

The utility model relates to a device for quickly replacing a copper conductive brush of magnetic powder inspection equipment, which comprises a shaft sleeve and a rotating shaft rotationally arranged in the shaft sleeve, the rotating shaft is contacted with the copper conductive brush penetrating through the shaft sleeve, the copper conductive brush is connected to a top transverse plate of an n-shaped bracket in a sliding and penetrating-out manner, and a wiring nose is electrically connected to a penetrating-out part of the copper conductive brush. The wiring noses are connected with corresponding wires, horizontal plates at the bottoms of the two sides of the n-shaped support are detachably connected with the horizontal ends of right-angle supports through threaded fasteners respectively, and the vertical ends of the right-angle supports are detachably connected to an equipment fixing plate through threaded fasteners. According to the utility model, single-person rapid replacement and contact pressure dynamic adjustment are realized, single-person operation can be completed within 30 minutes, the service life of the copper conductive brush is prolonged by more than 60%, the structure is simple, and the maintenance cost is low.

Description

Technical Field

[0001] This utility model relates to the field of magnetic particle inspection equipment, specifically to a device for improving the replacement efficiency of copper conductive brushes and extending their service life, and is particularly suitable for the rapid maintenance of the contact surface between the drive shaft and the conductive brush in magnetic particle inspection equipment. Background Technology

[0002] Many current methods for replacing copper conductive brushes require two people to work together: one person finds a fulcrum and pries down on the copper conductive brush mounting bracket, see... Figure 1 As shown, to overcome the large tension of the spring, another person tightens the fixing screws, and a single replacement takes about 1.5 hours; detailed structure can be seen... Figures 1 to 3 This structure has a long replacement time, which keeps the equipment in a downtime state for a long time, greatly reducing production efficiency and increasing the company's operating costs, i.e., low replacement efficiency.

[0003] Furthermore, when the copper conductive brush experiences slight wear after prolonged use, existing equipment lacks a corresponding adjustment mechanism to compensate for the resulting gap. This leads to a failure to maintain proper contact between the copper conductive brush and the equipment's drive shaft, resulting in decreased conductivity. To ensure normal equipment operation, frequent replacement of the copper conductive brush is necessary, increasing consumable costs, as the contact pressure is not adjustable.

[0004] Because copper conductive brushes need to be replaced frequently, their service life is severely shortened, resulting in long equipment downtime, reduced production efficiency, and high maintenance costs.

[0005] Therefore, there is a need for an improved device that can be operated and maintained by a single person, supports dynamic adjustment, and can extend the service life of copper conductive brushes. Utility Model Content

[0006] The purpose of this invention is to overcome the problems existing in the prior art and provide a device for quickly replacing copper conductive brushes in magnetic particle inspection equipment. This device allows for quick replacement of copper conductive brushes by a single person, supports dynamic adjustment of contact pressure, significantly extends the service life of the conductive brushes, and reduces equipment maintenance costs.

[0007] To achieve the above-mentioned technical objectives and effects, this utility model is implemented through the following technical solution:

[0008] A quick-change copper conductive brush device for magnetic particle inspection equipment includes a bushing and a rotating shaft rotatably disposed within the bushing. The rotating shaft contacts a copper conductive brush passing through the bushing. The copper conductive brush slidably passes through the top horizontal plate of a U-shaped bracket and is electrically connected to a wiring lug at its exit point. The wiring lug connects to a corresponding wire. The horizontal plates at the bottom of both sides of the U-shaped bracket are detachably connected to the horizontal ends of a right-angle bracket via threaded fasteners. The vertical ends of the right-angle bracket are detachably connected to a device mounting plate via threaded fasteners.

[0009] Furthermore, a spring is fitted onto the cylindrical body of the copper conductive brush to provide preload force to the contact surface between the copper conductive brush and the rotating shaft.

[0010] Furthermore, the copper conductive brush has a radially extending contact portion at one end of the rotating shaft, one end of the spring abuts against the upper end of the contact portion, and the other end of the spring abuts against the lower end of the top horizontal plate of the Z-shaped bracket.

[0011] Furthermore, the protruding part of the copper conductive brush is detachably mounted to the wiring lug by a threaded fastener, which limits the sliding stroke of the copper conductive brush.

[0012] Furthermore, the vertical end of the right-angle bracket is provided with a vertical U-shaped adjustment hole, which is used to adjust its vertical height in conjunction with the threaded fastener.

[0013] Furthermore, the threaded fastener is an internal hexagon screw.

[0014] The beneficial effects of this utility model are:

[0015] 1. Efficiency Improvement: Changeover time reduced to 30 minutes, manpower requirement reduced from two people to one:

[0016] 2. Extended lifespan: The dynamic contact pressure adjustment function extends the lifespan of the conductive brush by more than 60%.

[0017] 3. Strong compatibility: The structure is simple and can be directly adapted to existing equipment, with relatively low modification costs. Attached Figure Description

[0018] Figure 1 Axial view of the copper conductive brush device on the left and right fixed plates of the existing equipment before modification;

[0019] Figure 2 Installation axis view of an existing copper conductive brush assembly;

[0020] Figure 3 Front view of an existing copper conductive brush assembly;

[0021] Figure 4 This is a front view of the copper conductive brush device of this utility model.

[0022] Figure 5 This is a top view of the copper conductive brush device of this utility model without the equipment fixing plate;

[0023] Figure 6 This is a schematic diagram of the equipment fixing plate structure of this utility model;

[0024] Figure 7 This is an axial view of the copper conductive brush device of this utility model without the equipment fixing plate;

[0025] Figure 8 This is a axial view of the copper conductive brush of this utility model.

[0026] The following are the labels in the diagram: 1. Z-shaped bracket, 2. Right-angle bracket, 21. U-shaped adjustment hole, 3. Spring, 4. Equipment fixing plate, 5. Rotating shaft, 6. Threaded fastener, 7. Wire, 8. Bushing, 9. Copper conductive brush, 91. Contact part, 10. Wiring lug. Detailed Implementation

[0027] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0028] like Figures 4 to 6 As shown, a quick-change copper conductive brush device for magnetic particle inspection equipment includes a bushing 8 and a rotating shaft 5 rotatably disposed within the bushing 8. The rotating shaft 5 contacts a copper conductive brush 9 passing through the bushing 8. The copper conductive brush 9 slidably passes through the top horizontal plate of a U-shaped bracket 1 and is electrically connected to a wire lug 10 at its exit point. The wire lug 10 is connected to a corresponding wire 7. The horizontal plates at the bottom of both sides of the U-shaped bracket 1 are detachably connected to the horizontal ends of a right-angle bracket 2 via threaded fasteners 6. The vertical ends of the right-angle bracket 2 are detachably connected to the equipment fixing plate 4 via threaded fasteners 6.

[0029] A spring 3 is fitted onto the column of the copper conductive brush 9 to provide preload force to the contact surface between the copper conductive brush 9 and the rotating shaft 5.

[0030] like Figure 8 As shown, the copper conductive brush 9 has a radially extending contact portion 91 at one end of the rotating shaft 5. One end of the spring 3 abuts against the upper end of the contact portion 91, and the other end of the spring 3 abuts against the lower end of the top horizontal plate of the Z-shaped bracket 1. The diagonal pre-tightening of the Z-shaped bracket 1 and the right-angle bracket 2 can counteract the elastic force of the spring 3, simplifying the disassembly process.

[0031] The protruding part of the copper conductive brush 9 is detachably installed with the wiring lug 10 by a threaded fastener 6, which limits the sliding stroke of the copper conductive brush 9.

[0032] like Figure 7 As shown, the vertical end of the right-angle bracket 2 is provided with a vertical U-shaped adjustment hole 21, which is used to adjust its vertical height in conjunction with the threaded fastener 6, so as to realize the dynamic adjustment of the contact pressure of the copper conductive brush 9. The U-shaped adjustment hole 21 is composed of a pair of parallel vertical elongated holes. This double vertical channel has high adjustment accuracy. With the M8 screw, the adjustment accuracy can reach ±1mm.

[0033] The threaded fastener 6 is an internal hexagon screw, and corresponding threaded holes are provided in places where internal hexagon screws are used for installation.

[0034] The principle of this utility model

[0035] Tightness adjustment: After loosening the threaded fastener 6 at the vertical end of the right-angle bracket 2, the right-angle bracket 2 is moved vertically downward through the U-shaped adjustment hole 21 to compensate for the wear of the lower end face of the contact part 91 of the copper conductive brush 9.

[0036] Quick replacement; after pre-tightening the diagonally shaped bracket 1, tighten the remaining threaded fasteners 6 in sequence. The operation can be completed within 30 minutes by a single person.

[0037] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A quick replacement copper conductive brush device for magnetic particle inspection equipment, comprising a shaft sleeve (8) and a rotating shaft (5) rotatably arranged in the shaft sleeve (8), the rotating shaft (5) being in contact with a copper conductive brush (9) passing through the shaft sleeve (8), characterized in that, The copper conductive brush (9) is slidably connected to the top horizontal plate of the Z-shaped bracket (1), and a wire lug (10) is electrically connected to the protruding part. The wire lug (10) is connected to the corresponding wire (7). The horizontal plates at the bottom of both sides of the Z-shaped bracket (1) are respectively detachably connected to the horizontal end of the right-angle bracket (2) by threaded fasteners (6). The vertical end of the right-angle bracket (2) is detachably connected to the equipment fixing plate (4) by threaded fasteners (6).

2. The quick change copper brush assembly for magnetic particle inspection equipment of claim 1, wherein, A spring (3) is fitted onto the column of the copper conductive brush (9) to provide preload force to the contact surface between the copper conductive brush (9) and the rotating shaft (5).

3. The apparatus according to claim 2, wherein the copper brush is replaced quickly. The copper conductive brush (9) has a radially extended contact portion (91) at one end of the rotating shaft (5), one end of the spring (3) abuts against the upper end of the contact portion (91), and the other end of the spring (3) abuts against the lower end of the top horizontal plate of the Z-shaped bracket (1).

4. The apparatus according to claim 3, wherein the copper brush is replaced quickly. The protruding part of the copper conductive brush (9) and the wiring nose (10) are detachably installed together by a threaded fastener (6), which limits the sliding stroke of the copper conductive brush (9).

5. The apparatus according to claim 1 or 4, wherein the copper brush is replaced quickly. The right-angle bracket (2) has a vertical U-shaped adjustment hole (21) on its vertical end, which is used to adjust its vertical height in conjunction with the threaded fastener (6).

6. The apparatus of claim 5 wherein the copper brush is replaceable. The threaded fastener (6) is an internal hex screw.

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