CN210079976U - Paint dipping jig for circuit board - Google Patents

Abstract

The utility model discloses a paint dipping jig for a circuit board, which comprises a rectangular frame and a movable transverse frame, wherein the frame comprises two longitudinal frames and two transverse frames, the movable transverse frame is close to a first transverse frame, and two ends of the movable transverse frame can be fixed on the two longitudinal frames along the longitudinal frames in a longitudinally moving way; the movable transverse frame, the two longitudinal frames and the second transverse frame enclose a frame structure for accommodating the circuit board; a plurality of supporting hooks for supporting the circuit board are arranged below each frame of the frame structure. The utility model discloses it is general adjustable, a plurality of products that can be compatible simultaneously with series can drop unnecessary three proofings lacquer fast, simple structure, convenient operation, it is efficient.

Description

Paint dipping jig for circuit board

[ technical field ]

The utility model relates to an immersion paint frock especially relates to an immersion paint tool of circuit board.

[ background art ]

Along with electric automobile reserves and the increase of use, fill electric pile's utilization ratio more and more high, a great deal of problem begins to show prominently, wherein the most serious protection of belonging to the module of charging does not in place leads to the problem of module inefficacy. As is well known, the application scenario of the charging module is one of the most severe in all switching power supplies, and high temperature, high humidity, salt fog, various dusts, full-load operation, etc. all pose great challenges to the reliability of the charging module, and if the protection is not in place, a great amount of modules will fail over time. Aiming at the module protection measure, the thickness of the three-proofing paint on the surface of the PCBA is required to be as high as 90 mu m, which is 2-3 times thicker than the conventional spray paint in the industry. The charging module is different from the traditional communication power supply application occasion, needs stronger protection means, and compared with painting and spraying paint, the effect of PCBA paint dipping is undoubtedly the best.

The utility model provides a patent is CN 201320632753.5's utility model provides a manual dip coating tool, including the tool body, the tool body encloses respectively all around and is equipped with the border, be equipped with the overflow mouth on the border of tool body both sides respectively.

The utility model discloses a manual dip coating tool can only be used for the circuit board of fixed specification, other products that can not compatible with series.

[ summary of the invention ]

The to-be-solved technical problem of the utility model is to provide a can be compatible with width, different length with the dip coating tool of series circuit board.

In order to solve the technical problem, the utility model adopts the technical scheme that the paint dipping jig for the circuit board comprises a rectangular frame and a movable transverse frame, wherein the frame comprises two longitudinal frames and two transverse frames, the movable transverse frame is close to the first transverse frame, and two ends of the movable transverse frame can be fixed on the two longitudinal frames along the longitudinal frames in a longitudinally moving manner; the movable transverse frame, the two longitudinal frames and the second transverse frame enclose a frame structure for accommodating the circuit board; a plurality of supporting hooks for supporting the circuit board are arranged below each frame of the frame structure.

The paint dipping jig for the circuit board comprises 4 lifting rings, wherein the lifting rings are installed at four corners of the top of the rectangular frame.

The paint dipping jig for the circuit board comprises 4 upright posts, wherein the upright posts are arranged at four corners of the bottom of the rectangular frame.

The paint dipping jig for the circuit board comprises two support plates, wherein each support plate is 7-shaped and comprises a longitudinal plate and a transverse plate; the longitudinal frame comprises a longitudinal beam and a longitudinal plate of the support plate, the transverse frame comprises a cross beam, and the end part of the cross beam is connected with the end part of the longitudinal beam; the second transverse frame comprises transverse plates of two supporting plates, longitudinal plates of the supporting plates are fixed below the longitudinal beam, the transverse width of each longitudinal plate is greater than that of the longitudinal beam, and the longitudinal plates protrude inwards from the longitudinal beam; the transverse plates of the two supporting plates are fixed below the transverse beam of the second transverse frame, the longitudinal width of the transverse plates is larger than that of the transverse beam, and the transverse plates protrude inwards from the transverse beam.

According to the paint dipping jig for the circuit board, two ends of the movable transverse frame respectively comprise mounting holes, the mounting holes are flat long holes, and the long axis direction of the flat long holes is parallel to the longitudinal beam direction; the vertical plate of the supporting plate comprises a threaded hole at one end close to the first transverse frame, and the fixing screw penetrates through the flat long hole and is screwed into the threaded hole of the supporting plate.

The movable transverse frame of the paint dipping jig for the circuit board is U-shaped and comprises two side plates and a connecting plate for connecting the side plates, a groove is formed between the two side plates and faces the second transverse frame; a gap is reserved between the transverse plates of the two supporting plates.

According to the paint dipping jig for the circuit board, the supporting hook is Z-shaped, the wing plate at the upper part of the Z-shaped supporting hook is used for installing the bottom surface of each frame of the frame structure, and the hook at the lower part of the Z-shaped supporting hook faces inwards; the supporting hooks arranged on the longitudinal frames are arranged below the longitudinal plates of the supporting plate, the supporting hooks arranged on the second transverse frames are arranged below the end parts of the transverse plates of the supporting plate, and the supporting hooks arranged on the movable transverse frames are arranged below the two side plates.

The upper part in the middle of the beam of the paint dipping jig for the circuit board comprises a handle.

The utility model discloses the commonality of dip coating tool is good, can be compatible with width, different length with series of circuit boards.

[ description of the drawings ]

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a front view of the paint dipping jig of the embodiment of the utility model.

Fig. 2 is a top view of the paint dipping jig of the embodiment of the utility model.

Fig. 3 is a right side view of the paint dipping jig of the embodiment of the utility model.

Fig. 4 is a bottom view of the paint dipping jig of the embodiment of the utility model.

Fig. 5 is a sectional view taken along line a in fig. 1.

Fig. 6 is a sectional view taken along line B in fig. 2.

Fig. 7 is a cross-sectional view taken along line C in fig. 1.

Fig. 8 is a cross-sectional view taken along line D in fig. 1.

Fig. 9 is a sectional view taken along line E in fig. 1.

Fig. 10 is a perspective view of the paint dipping jig according to the embodiment of the present invention.

Fig. 11 is a perspective view of another viewing angle of the paint dipping jig according to the embodiment of the present invention.

Fig. 12 is an exploded view of the paint dipping jig according to the embodiment of the present invention.

[ detailed description of the invention ]

The embodiment of the utility model provides a dip coating tool's structure and principle are shown as fig. 1 to fig. 12, including the frame of rectangle, activity horizontal frame 30, 4 rings 1 and 4 stands 2. The framework comprises two longitudinal frames 10 and two transverse frames 20, the movable transverse frame 30 is close to the transverse frame 20A, and two ends of the movable transverse frame 30 can be fixed on the two longitudinal frames 10 in a longitudinally moving mode along the longitudinal frames 10. The movable transverse frame 30, the two longitudinal frames 10 and the transverse frame 20B enclose a frame structure for accommodating the circuit board 100. At least two support hooks 3 for supporting the circuit board 100 are mounted below each side frame of the frame structure.

The embodiment of the utility model provides a dip coating tool specific structure detail as follows:

the two support plates 40 are 7-shaped and comprise vertical plates 41 and horizontal plates 42 which are connected at an angle. The longitudinal frame 10 comprises longitudinal beams 11 and longitudinal plates 41 of the support plates 40, the transverse frame 20A is formed by transverse beams 21 only, and the transverse frame 20B is formed by transverse beams 21 and transverse plates 42 of the two support plates 40. The upper part of the middle of the beam 21 is provided with a rectangular handle 22.

The ends of the two cross beams 21 are connected to the ends of the two longitudinal beams 11 by screws.

The vertical plate 41 of the support plate 40 is fixed to the lower side of the side member 11 by screws, the lateral width of the vertical plate 41 is larger than the lateral width of the side member 11, and the vertical plate 41 protrudes inward from the side member 11.

The transverse plates 42 of the two support plates 40 are fixed below the transverse beam 21 of the transverse frame 20B by screws, the longitudinal width of the transverse plates 42 is larger than that of the transverse beam 21, the transverse plates 42 protrude inwards from the transverse beam 21, and a gap 43 is reserved between the ends of the transverse plates 42 of the two support plates.

The movable transverse frame 30 is U-shaped and comprises two side plates 31 and a connecting plate 32 for connecting the side plates, a groove 35 is arranged between the two side plates 31, and the groove 35 faces the transverse frame 20B.

The side plates 31 at both ends of the movable transverse frame 30 are respectively provided with a flat long hole 33 as a mounting hole, and the long axis direction of the flat long hole 33 is parallel to the longitudinal beam 11 direction. The vertical plate 41 of the support plate 40 has a screw hole 44 at one end near the lateral frame 20A, and the fixing screw 34 is screwed into the screw hole 44 of the support plate 40 through the oblong hole 33. The set screw 34 is a thumb screw.

The support hook 3 is formed in a zigzag shape, and a flange on the upper portion of the zigzag support hook 3 mounts the bottom surface of each frame of the frame structure with a screw, and a hook on the lower portion of the zigzag support hook 3 faces inward to support the edge of the circuit board 100. The three supporting hooks 3 mounted on the vertical frame 10 are separately arranged below the vertical plate 41 of the supporting plate 40, the two supporting hooks 3 mounted on the horizontal frame 20B are separately arranged below the end of the horizontal plate 42 of the supporting plate, and the two supporting hooks 3 mounted on the movable horizontal frame 30 are arranged below the two side plates 31.

The 4 lifting rings 1 are installed at the four corners of the top of the rectangular frame and are positioned at two ends of the two longitudinal beams 11. The upright posts 2 are arranged at the four corners of the bottom of the rectangular frame and are positioned at two ends of the longitudinal plates 41 of the two supporting plates 40. 4 rings 1 are used for hanging the dip coating tool in the below of 4 couples 5 of hoist.

The utility model discloses above embodiment can follow flat slot hole 33 axial displacement through loosening 34 horizontal frames 30 of activity of set screw, adjusts the length that frame construction holds the circuit board work piece to compatible with width, different length with series circuit board work piece. 4 rings 1 hang the dip coating tool in the below of 4 couples 5 of hoist, and the tool of being convenient for and the work piece transportation on the automatic conveyer belt of double track are convenient high-efficient. When three-proofing paint is immersed, the jig with the workpiece is placed into the three-proofing paint solvent cylinder, the three-proofing paint solvent cylinder is automatically descended by the paint immersion device after the three-proofing paint on the surface of the workpiece is attached, and redundant three-proofing paint on the workpiece can be drained. The lifting appliance puts down the two hooks 5 to enable the jig to be inclined by 45 degrees, and redundant three-proofing paint on the workpiece can be further drained. The jig is simple in structure, convenient to operate and high in efficiency.

Claims (8)

1. A dip coating jig for a circuit board comprises a rectangular frame, wherein the frame comprises two longitudinal frames and two transverse frames, and is characterized by comprising a movable transverse frame, the movable transverse frame is close to a first transverse frame, and two ends of the movable transverse frame are fixed on the two longitudinal frames in a manner of being capable of longitudinally moving along the longitudinal frames; the movable transverse frame, the two longitudinal frames and the second transverse frame enclose a frame structure for accommodating the circuit board; a plurality of supporting hooks for supporting the circuit board are arranged below each frame of the frame structure.

2. The jig for dipping paint on a circuit board according to claim 1, comprising 4 hanging rings, wherein the hanging rings are mounted at four corners of the top of the rectangular frame.

3. The paint dipping jig for the circuit board according to claim 1, comprising 4 columns, wherein the columns are installed at four corners of the bottom of the rectangular frame.

4. The paint dipping jig for the circuit board according to claim 1, comprising two support plates, wherein the support plates are 7-shaped and comprise a longitudinal plate and a transverse plate; the longitudinal frame comprises a longitudinal beam and a longitudinal plate of the support plate, the transverse frame comprises a cross beam, and the end part of the cross beam is connected with the end part of the longitudinal beam; the second transverse frame comprises transverse plates of two supporting plates, longitudinal plates of the supporting plates are fixed below the longitudinal beam, the transverse width of each longitudinal plate is greater than that of the longitudinal beam, and the longitudinal plates protrude inwards from the longitudinal beam; the transverse plates of the two supporting plates are fixed below the transverse beam of the second transverse frame, the longitudinal width of the transverse plates is larger than that of the transverse beam, and the transverse plates protrude inwards from the transverse beam.

5. The paint dipping jig for the circuit board according to claim 4, wherein both ends of the movable transverse frame respectively comprise mounting holes, the mounting holes are oblong holes, and the long axis direction of the oblong holes is parallel to the longitudinal beam direction; the vertical plate of the supporting plate comprises a threaded hole at one end close to the first transverse frame, and the fixing screw penetrates through the flat long hole and is screwed into the threaded hole of the supporting plate.

6. The paint dipping jig for the circuit board according to claim 4, wherein the movable transverse frame is U-shaped and comprises two side plates and a connecting plate for connecting the side plates, a groove is formed between the two side plates and faces the second transverse frame; a gap is reserved between the transverse plates of the two supporting plates.

7. The paint dipping jig for the circuit board according to claim 6, wherein the supporting hook is Z-shaped, the wing plate at the upper part of the Z-shaped supporting hook is used for installing the bottom surface of each frame of the frame structure, and the hook at the lower part of the Z-shaped supporting hook faces inwards; the supporting hooks arranged on the longitudinal frames are arranged below the longitudinal plates of the supporting plate, the supporting hooks arranged on the second transverse frames are arranged below the end parts of the transverse plates of the supporting plate, and the supporting hooks arranged on the movable transverse frames are arranged below the two side plates.

8. The jig for dipping paint on a circuit board according to claim 4, wherein the upper portion of the middle of the beam includes a handle.

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