CN206024263U - Baking sheet frame for printed circuit board (PCB) - Google Patents

Abstract

The utility model relates to a baking plate rack used for printed circuit boards. The baking tray for printed circuit boards includes a base and a clamping plate, the base supports the clamping plate, the clamping plate includes a first clamping plate and a second clamping plate, the first clamping plate and the clamping plate The second clamping plate is vertically spaced apart, the first clamping plate includes a plurality of first clamping slots provided thereon, and the second clamping plate includes a plurality of second clamping slots corresponding to the first clamping slots, Centerlines of each pair of matching first and second card slots intersect. The baking plate rack used for printed circuit boards provided by the utility model has simple structure and convenient operation.

Description

Baking racks for printed circuit boards

technical field

The utility model relates to the technical field of circuit board manufacturing, in particular to a baking plate rack for printed circuit boards.

Background technique

In the prior art, it is often necessary to repair printed circuit boards with poor appearance. After the printed circuit board is repaired, it often needs to be recoated with solder resist and baked in a short period of time. When baking the board, it is necessary to ensure that each printed circuit board is spaced from each other to avoid secondary scratches and scratches.

At present, the baking tray racks for placing printed circuit boards are rib racks or pig cage racks, which are not only complicated in structure, inconvenient to operate, but also often have secondary quality hazards such as scratches and scratches.

Therefore, it is necessary to conduct further research on the griddle for printed circuit boards in order to avoid the above-mentioned drawbacks.

Utility model content

In order to solve the above-mentioned technical problems of complicated structure and inconvenient operation of the grill used for printed circuit boards, the utility model provides a grill used for printed circuit boards, which has the advantages of simple structure and convenient operation.

The utility model provides a baking sheet rack for printed circuit boards, the baking sheet rack for printed circuit boards includes a base and a clamping plate, the base supports the clamping plate, and the clamping plate includes a first clamping plate plate and a second clamping plate, the first clamping plate and the second clamping plate are vertically spaced apart, the first clamping plate includes a plurality of first clamping slots provided thereon, and the second clamping plate includes A plurality of second draw-in slots corresponding to the first draw-in slots, each pair of matching first draw-in slots and the centerlines of the second draw-in slots intersect.

In a preferred embodiment of the grill used for printed circuit boards provided by the utility model, the first clamping plate further includes a plurality of protrusions arranged on the surface of the first clamping plate away from the base The first protrusions are provided, a plurality of the first protrusions are arranged at intervals, the first locking groove is formed between two adjacent first protrusions, and the second clamping plate also includes a plurality of The second clamping plate has second protrusions protruding from the surface of the base, a plurality of second protrusions are arranged at intervals, and the second clamping plate is formed between two adjacent second protrusions. groove.

In a preferred embodiment of the grill used for printed circuit boards provided by the utility model, the first card slot includes a connected first receiving slot and a first inlet slot, and the first receiving slot is set At one end close to the second clamping plate, the groove width of the first inlet groove is larger than that of the first receiving groove, and the groove width of the first inlet groove extends from the first inlet groove to the first receiving groove. The direction of the receiving slots decreases successively. The second card slot includes a connected second receiving slot and a second inlet slot. The second receiving slot is arranged at one end close to the first clamping plate. The groove width is greater than that of the first receiving groove, and the groove width of the second inlet groove decreases successively along the direction of the second inlet groove from the second receiving groove.

In a preferred embodiment of the grill used for printed circuit boards provided by the utility model, the width of the first receiving groove and the second receiving groove is 10-30 mm.

In a preferred embodiment of the grill used for printed circuit boards provided by the utility model, the dimensions of the first slot and the second slot are the same.

In a preferred embodiment of the grill used for printed circuit boards provided by the utility model, the distances between the multiple first slots are the same, and the distances between the multiple second slots are the same.

In a preferred embodiment of the grill used for printed circuit boards provided by the utility model, the depths of the first slot and the second slot are 1-10 mm.

In a preferred embodiment of the grill used for printed circuit boards provided by the utility model, the clamping plate further includes a convection hole, and the convection hole is formed by the first clamping plate and the second clamping plate. the gap between the boards.

In a preferred embodiment of the grill used for printed circuit boards provided by the utility model, the base includes a frame, a support column connected to the frame, and a direction close to the frame from the support column. An extension column extending obliquely and connected to the frame, the frame is rectangular, the support columns are vertically arranged at four ends of the frame, and the extension column is connected to the short axis side of the frame.

In a preferred embodiment of the grill used for printed circuit boards provided by the utility model, along the length direction of the frame, the clamping plate is arranged between the two extension columns and connected to the extension column fixed connection

Compared with the prior art, the baking tray for printed circuit boards provided by the utility model has the following beneficial effects:

1. By setting the first card slot and the corresponding second card slot, the printed circuit boards can be placed on the card board at intervals;

2. By setting the first inlet slot and the second inlet slot, it is more convenient to place the printed circuit board;

3. By arranging the base to support the clamping board, while the first clamping board and the second clamping board are arranged vertically, it is more convenient to place or take the printed circuit board.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some implementations of the present invention. For example, for those of ordinary skill in the art, other drawings can also be obtained based on these drawings without creative work, wherein:

Fig. 1 is the schematic diagram of the three-dimensional structure of a preferred embodiment of the baking tray for printed circuit boards provided by the utility model;

FIG. 2 is a schematic diagram showing the enlarged structure of part A of the grill used for printed circuit boards shown in FIG. 1;

FIG. 3 is a schematic diagram showing an enlarged structure of part B of the grill used for printed circuit boards shown in FIG. 1 .

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Fig. 1, Fig. 2 and Fig. 3, wherein, Fig. 1 is the three-dimensional structure schematic diagram of a preferred embodiment of the baking tray frame for printed circuit board provided by the utility model, Fig. 2 is used for printing as shown in Fig. 1 The schematic diagram of the enlarged structure of part A of the baking tray for printed circuit boards, and FIG. 3 is the enlarged structural diagram of part B of the grilling tray for printed circuit boards shown in FIG. 1 .

The grill 100 for printed circuit boards is made of metal, and includes a base 1 and a clamping plate 3 , the base 1 supports the clamping plate 3 and is fixedly connected thereto.

The base 1 includes a frame 11 , a support column 13 connected to the frame 11 , and an extension column 15 extending obliquely from the support column 13 toward the frame 11 and connected to the frame 11 . The frame 11 is rectangular, and the support columns 13 are vertically arranged at four corners of the frame 11 . One end of the extension column 15 is fixedly connected to the end of the support column 13 away from the frame 11 , and the other end is fixedly connected to the frame 11 . Along the length direction of the frame 11 , the clamping plate 3 is arranged between the two extension columns 15 and fixedly connected with the extension columns 15 . In this embodiment, the extension column 15 is connected to the short axis of the frame 11, and the two extension columns 15 on the same side form a V-shaped structure, and the opening of the V-shaped structure faces away from the frame 11. direction.

The clamping plate 3 includes a first clamping plate 31, a second clamping plate 33 and a convection hole 35, the first clamping plate 31 and the second clamping plate 33 are vertically spaced apart, and the convection hole 35 is the first clamping plate 35. The gap between the first clamping plate 31 and the second clamping plate 33 .

The first clamping plate 31 includes a plurality of first protrusions 313 and a plurality of first engaging grooves 315 arranged at intervals, and the first protrusions 313 are protrusions on the surface of the first clamping plate 31 away from the frame 11 . The first locking groove 315 is a groove formed between two adjacent first protrusions 313 .

The distances between the plurality of first locking slots 315 are the same. The first card slot 315 includes a first inlet slot 3151 and a first receiving slot 3153 which are connected. The first receiving groove 3153 is located at one end close to the second clamping plate 33, the groove width of the first inlet groove 3151 is larger than that of the first receiving groove 3153, and the groove width of the first inlet groove 3151 is Along the direction from the first inlet groove 3151 to the first receiving groove 3151 , they decrease in order.

The second clip 33 includes a plurality of second protrusions 333 and second slots 335 arranged at intervals, the second protrusions 333 protrude from the surface of the second clip 33 away from the frame 11 The second locking groove 335 is a groove formed between two adjacent second protrusions 333 . The second card slots 335 are arranged corresponding to the first card slots 315 , and the centerlines of each pair of matched first card slots 315 and the second card slots 335 intersect. The distances between the plurality of second locking slots 335 are the same. The second card slot 335 includes a second inlet slot 3351 and a second receiving slot 3353 which are connected. The second receiving groove 3353 is located at one end close to the first clamping plate 31, the groove width of the second inlet groove 3351 is larger than that of the first receiving groove 3351, and the groove width of the second inlet groove 3351 is The direction from the second receiving groove 3353 along the second inlet groove 3351 decreases successively.

The size of the first locking groove 315 and the second locking groove 335 are the same, and the depth is 3-10 mm, and the depth in this embodiment is 5 mm. The groove width of the first receiving groove 3153 and the second receiving groove 3353 is 10-30 mm, and the groove width in this embodiment is 20 mm.

When using the baking tray 100 of the printed circuit board, insert the repaired printed circuit board into the first slot 315 and the corresponding second slot 335, so that the repaired printed circuit boards are adjacent to each other. The sidewalls of the sidewalls are engaged in the first engaging slot 315 and the second engaging slot 335 respectively. A plurality of printed circuit boards are inserted into different first slots 315 and second slots 335, so that the printed circuit boards are placed at intervals.

The grill 100 used for printed circuit boards provided by the utility model has the following beneficial effects:

1. By setting the first card slot 315 and the corresponding second card slot 335, the printed circuit boards can be placed on the card board 3 at intervals;

2. By setting the first inlet slot 3151 and the second inlet slot 3351, it is more convenient to place the printed circuit board;

3. By arranging the base 1 to support the clamping board 3 , while the first clamping board 31 and the second clamping board 33 are arranged vertically, it is more convenient to place or take the printed circuit board.

The above descriptions are only examples of the utility model, and are not intended to limit the patent scope of the utility model. Any equivalent structure or equivalent process transformation made by using the utility model specification and accompanying drawings may be directly or indirectly used in other applications. Related technical fields are all included in the patent protection scope of the present utility model in the same way.

Claims (10)

1. A grill frame for printed circuit boards, comprising a base and a clamp, the base supports the clamp, wherein the clamp comprises a first clamp and a second clamp, the The first clamping board and the second clamping board are vertically spaced apart, the first clamping board includes a plurality of first clamping slots provided thereon, and the second clamping board includes a plurality of first clamping slots arranged corresponding to the first clamping slots A plurality of second card slots, each pair of matched first card slots and the center lines of the second card slots intersect. 2 . The baking tray for printed circuit boards according to claim 1 , wherein the first clamping plate further includes a plurality of protrusions disposed on the surface of the first clamping plate away from the base. a plurality of the first protrusions are arranged at intervals, the first card slot is formed between two adjacent first protrusions, and the second card plate also includes a plurality of The second clamping plate is a second protrusion protruding from the surface of the base, a plurality of the second protrusions are arranged at intervals, and the second locking groove is formed between two adjacent second protrusions . 3. The baking tray for printed circuit boards according to claim 1, characterized in that, the first card slot comprises a connected first receiving slot and a first inlet slot, and the first receiving slot is located at Close to one end of the second clamping plate, the groove width of the first inlet groove is larger than that of the first receiving groove, and the groove width of the first inlet groove extends from the first inlet groove to the first receiving groove. The direction of the grooves decreases successively. The second clamping groove includes a connected second receiving groove and a second inlet groove. The second receiving groove is arranged at one end close to the first clamping plate. The width is larger than that of the first receiving groove, and the groove width of the second inlet groove gradually decreases along the direction of the second inlet groove from the second receiving groove. 4. The griddle for printed circuit boards according to claim 3, characterized in that the width of the first receiving groove and the second receiving groove is 10-30mm. 5 . The baking tray for printed circuit boards according to claim 1 , wherein the dimensions of the first slot and the second slot are the same. 6 . The baking tray for printed circuit boards according to claim 1 , wherein the spacing between the plurality of first slots is the same, and the spacing between the plurality of second slots is the same. 6 . 7 . The baking tray for printed circuit boards according to claim 1 , characterized in that, the depths of the first slot and the second slot are 1-10 mm. 8 . 8. The baking tray for printed circuit boards according to claim 1, wherein the clamping plate further comprises a convection hole, and the convection hole is the first clamping plate and the second clamping plate gap between. 9. The baking sheet rack for printed circuit boards according to claim 1, wherein the base comprises a frame, a support column connected to the frame, and a direction inclined from the support column to the frame. The extension column extending toward and connected with the frame, the frame is rectangular, the support columns are vertically arranged at the four corners of the frame, and the extension column is connected with the short axis side of the frame. 10. The baking tray for printed circuit boards according to claim 9, characterized in that, along the length direction of the frame, the clamping plate is arranged between the two extension columns and connected to the extension columns Fixed connection.