CN216816503U - Circuit board through hole re-judgment repair equipment - Google Patents

Abstract

The utility model provides a through hole re-judging and maintaining device of a circuit board, which comprises: a machine table; the light table is arranged on the machine table and is provided with a table top capable of generating brightness; the fixing unit is arranged on the light table and comprises a fixing edge, at least two supporting pieces, a movable edge and a plurality of guide rails, the guide rails are arranged on the table top in the direction perpendicular to the fixing edge, the supporting pieces and the movable edge are partially arranged on the guide rails and can move along the guide rails, and the supporting pieces are positioned between the fixing edge and the movable edge and can bear a circuit board, so that the circuit board is elevated above the table top; a projection pointing unit capable of projecting at least one indication pattern onto the circuit board; and the host is arranged in the machine table and controls the projection pointing unit to operate, so that the through hole in the circuit board arranged above the light table can be quickly checked or maintained.

Description

Circuit board through hole re-judgment repair equipment

technical field

The utility model relates to the technical field of circuit board inspection equipment, in particular to a design for inspection or maintenance of through holes on a circuit board.

Background technique

Circuit boards are already an indispensable component in electronics, computers and communications products. High-end circuit boards will use a large number of through holes, and with subsequent processing, the circuits will be complex and dense, and finally the products will meet the market requirements of light, thin, short, small needs.

When multiple through holes of a large number of circuit boards are processed, the automatic optical inspection (AOI) is usually used for preliminary inspection. Although the AOI method has high efficiency, the AOI detection relies on the defective product determination algorithm. The limitation makes it impossible for AOI to be fully applicable to every structural inspection. If defective products are produced, some are still converted to manual visual inspection for re-judgment or maintenance, in order to reduce the occurrence of errors, avoid material waste and increase profits.

Manual visual inspection is generally carried out on a light table. The so-called light table refers to a workbench for visual inspection with a light source installed. As the size of the circuit board is getting smaller and smaller, and the number and size of the through holes are getting more and more finer, the operator often needs to watch the display screen connected to the database, and the display screen can understand the position of the suspected defective through hole, and then turn his attention to the circuit board. , Find the position of the suspected defective through hole, and judge whether it is wrong with the brightness generated by the light table. If you need to repair, you must remove the circuit board from the light table to avoid accidentally damaging the surface of the light table when you directly penetrate the through hole with a tool. This operation method is time-consuming Effortless, inefficient re-inspection work, or a slight inadvertent use of tools with the wrong aperture will make the repair directly into damage.

Utility model content

The main purpose of this utility model is to provide a circuit board through-hole re-judgment and maintenance equipment, which can set the circuit board above a light table in an elevated manner, and cooperate with the operation of the projection indicating unit to project a marking pattern on the circuit board, so that the The operator can quickly confirm the position of the suspected defective through hole, and then carry out re-judgment or repair, thereby shortening the operation time and improving the efficiency and quality of the re-inspection.

The utility model relates to a circuit board through-hole re-judgment and maintenance equipment, comprising: a machine table; a light table, which is arranged on the machine table, and the light table has a table top capable of generating brightness; a high unit is arranged on the light table , including a fixed side, at least two supports, a movable side and a plurality of guide rails, the guide rails are arranged on the desktop in a direction perpendicular to the fixed side, the support pieces and the movable side are partially arranged on the guide rails and can slide along the guide rails, and the support pieces are located at A circuit board can be carried between the fixed side and the movable side, so that the circuit board is elevated above the table top; a projection pointing unit is located above the light table and can project at least one indication pattern on the circuit board; a host is arranged on the Inside the machine, control the operation of the projection pointing unit.

As one of the preferred embodiments, it also includes a display screen and an input interface unit, the display screen and the input interface unit are connected to the host, and the input interface unit is at least one of a keyboard, a mouse, a touch control panel, and a barcode scanner, The circuit board data is input to the host by the input interface unit, and the host controls the display screen or the projection pointing unit to generate a corresponding response.

As one of the preferred embodiments, the guide rail is arranged near the edge of the desktop, the guide rail is a fixed seat connected at both ends of the circular shaft, and the fixed seat is set on the desktop, the two ends of the support are provided with a shaft seat, and the two ends of the movable edge are provided with The sliding seat, the guide rail runs through the shaft seat and the sliding seat, so that the supporting piece and the movable edge can be adjusted on the desktop.

As one of the preferred embodiments, the fixed side is provided with an L-shaped first holder, which can be used as a reference positioning point when a corner of the circuit board is close to the first holder, and the movable side is provided with an L-shaped first holder. Two holding pieces, the circuit board can be clamped between the first holding piece and the second holding piece.

As one of the preferred embodiments, the projection pointing unit can project a display pattern, and the display pattern is to display the tool information to be used for maintenance.

As one of the preferred embodiments, it also includes a tool indicating board, the tool indicating board is arranged on the light table, and the projection pointing unit projects a display pattern on the tool indicating board.

As one of the preferred embodiments, the light table is pivotally connected to the top of the machine, and the other side of the top of the machine away from the pivot is provided with a height adjustment structure, so that the light table can adjust the inclination angle.

As one of the preferred embodiments, the height adjustment structure includes a plurality of positioning grooves and at least one adjustment rod. The plurality of positioning grooves are located at the top of the machine table, and the adjustment rod is pivoted to the bottom of the light table. When the adjustment rod is clamped in one of the positioning holes In the groove, the tilt angle of the light table can be maintained.

As one of the preferred embodiments, the machine is additionally provided with an extension platform for placing the input interface unit or maintenance tools.

As one of the preferred embodiments, the machine table is provided with a bracket extending upward, the projection pointing unit is arranged on the bracket and the projection pointing unit is located above the light table.

Compared with the prior art, the utility model has the following specific effects:

1. The indication pattern projected by the projection indication unit can be used by the operator to quickly confirm the position of the suspected defective through hole on the circuit board, shorten the search time, and facilitate the inspection operation.

2. The elevated unit carries the circuit board above the desktop. If you want to repair the through hole, you can directly use the tool to repair it without damaging the desktop, which is fast and convenient.

3. The display pattern projected by the projection indicating unit can let the operator know the size or type of the tool to be used, and avoid the unrecoverable error caused by using the wrong large-size tool; Just observe the display pattern presented by the tool dashboard, which can simplify the operation process and make the operation more accurate, smooth and fast.

4. The circuit board through-hole re-judgment and repair equipment of the present invention can shorten the time for searching for the position of the suspected defective through-hole, and improve the accuracy, shorten the re-judgment operation time, and in addition, the maintenance work can also quickly and correctly obtain tool information, simplifying The operation process can improve the overall operation quality and efficiency, thereby increasing the overall profit.

Description of drawings

FIG. 1 is a perspective view of a circuit board through hole re-judgment and maintenance equipment of the present invention.

FIG. 2 is a side view of the circuit board through-hole re-judgment and maintenance equipment of the present invention.

FIG. 3 is a schematic diagram of the operation of the circuit board through hole re-judgment and maintenance equipment of the present invention.

FIG. 4 is an operation side view of the circuit board through-hole re-judgment and maintenance equipment of the present invention.

Description of reference numbers:

1-machine;

11- casters;

12- Adjusting feet;

14- Height adjustment structure;

141-positioning slot;

142 - adjustment lever;

15 - bracket;

16-Extended platform;

2 - light table;

21-desktop;

211 - work frame area;

22 - switch;

3- Elevated unit;

31-fixed edge;

312 - the first holder;

32-Support;

321-shaft seat;

33 - active side;

332 - the second holder;

333 - sliding seat;

34-rail;

341-fixed seat;

4- Projection pointing unit;

41-indicative pattern;

42 - display pattern;

5-host;

6-Tool dashboard;

7-Display screen;

8-input interface unit;

9- circuit board;

91 - Through hole.

Detailed ways

The technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments and the accompanying drawings. It should be noted that when a component is referred to as being "mounted or fixed to" another component, it means that it may be directly on the other component or there may also be an intervening component. When a component is said to be "connected" to another component, it means that it may be directly connected to the other component or there may be an intervening component at the same time. In the illustrated embodiment, the directions indicated up, down, left, right, front and back, etc. are relative, and are used to explain that the structures and movements of the various components in this case are relative. These representations are appropriate when the components are in the positions shown in the figures. However, if the description of the location of the components changes, it is assumed that these representations will change accordingly.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the present invention. The terms used herein are for the purpose of describing specific embodiments only, and are not intended to limit the present invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in FIG. 1 and FIG. 2 , it is a perspective view and a side view of a circuit board through hole re-judgment and maintenance equipment of the present invention. The utility model circuit board through-hole re-judgment and maintenance equipment includes a machine table 1 , a light table 2 , a high unit 3 , a projection pointing unit 4 and a host 5 . The light table 2 is carried by the machine 1, and the light table 2 has a table top 21 that can generate brightness. The elevated unit 3 is arranged on the light table 2, and includes a fixed side 31, at least two support members 32, a movable side 33 and a plurality of guide rails 34. The guide rails 34 are arranged on the table top 21 in a direction perpendicular to the fixed side 31, and support The part 32 and the movable side 34 are partially disposed on the guide rail 34 and can move along the guide rail 34 . The projection pointing unit 4 is arranged above the light table 2 and can project at least one indication pattern on the circuit board. The host 5 is installed in the machine table 1 and is responsible for controlling the operation of the projection pointing unit 4; thus, when the circuit board is placed on the digital support 32, the two sides are clamped and positioned at the correct position by the fixed side 31 and the movable side 33, and the projection The pointing unit 4 projects an indication pattern on the position of the through hole on the circuit board, and cooperates with the brightness generated by the desktop 21 to allow the operator to clearly observe the state of the through hole, such as through, partially through, or not through, etc. If maintenance is required, the circuit The plate is elevated and can be immediately penetrated with tools such as knives or drills to speed up inspection operations.

Next, a detailed description of the structure of each component is given:

The machine table 1 is a three-dimensional hollow frame for carrying the optical table 2 . The bottom of the machine table 1 is provided with a plurality of casters 11 and a plurality of adjustment feet 12 . The casters 11 can easily move the machine table 1 . To fix the position after moving, rotate the adjusting foot 12 to extend it so as to elevate the machine table 1 to avoid any subsequent movement. The light table 2 can be arranged on the top of the machine table 1 in a fixed or adjustable manner. For example, the light table 2 can be inclined at an angle, which is convenient for the operator to check the circuit board. In this embodiment, it is an adjustable type. One side of the bottom of the optical table 2 is pivotally connected to the top of the machine table 1 , and the other side away from the pivot is provided with a height adjustment structure 14 . The height adjustment structure 14 can also be in various ways. In this embodiment, the height adjustment structure 14 includes a plurality of positioning grooves 141 and at least one adjustment rod 142 , and the plurality of positioning grooves 141 are arranged on the top of the machine table 1 in sequence. In the embodiment, the top of the machine table 1 is provided with two sets of positioning grooves 141 that are parallel to each other. The adjusting rod 142 is U-shaped and is pivotally connected to the bottom of the optical table 2 . When the U-shaped cross bar of the adjusting rod 142 is clamped in one of the positioning grooves 141 , the inclination angle of the optical table 2 can be maintained.

The light table 2 is provided with a table top 21 with a light-emitting surface facing upward, and a switch 22 for turning it on or off. The structure of the light table 2 is composed of a light source inside and a table top board that can transmit light. In this embodiment, the table top 21 is a rectangle, and the main light-emitting area is the work frame area 211 with a smaller range, which is suitable for circuit boards of various sizes.

The elevated unit 3 is responsible for placing the circuit board above the desktop 21 in an elevated manner during operation, so as to facilitate subsequent inspection or maintenance of the through holes. The erecting unit 3 includes a fixed side 31 , at least two support members 32 , a movable side 33 and several guide rails 34 . The fixed side 31 is a long strip, and the position is fixed on one side of the desktop 21 , such as the right side in FIG. 1 . One end of the fixed side 31 is also provided with an L-shaped first holder 312 . The position of the first holder 312 is close to the direction of the operator. When the circuit board is in close contact with the first holder 312 , there is also a positioning reference here. point function. The guide rails 34 are located adjacent to the edge of the tabletop 21 , on two opposite sides of the tabletop 21 , which are actually two in number. In this embodiment, the guide rails 34 are connected to the table top 21 by connecting and fixing bases 341 at both ends of the circular shaft. The orientation of the guide rails 34 is perpendicular to the fixed side 31 . The support member 32 is a round rod and has a shaft seat 321 at both ends. The guide rail 34 penetrates the shaft seat 321 so that the support member 32 can move left and right to adjust the position. The movable edge 33 is also a long strip, and its direction is parallel to the fixed edge 31 . One end of the movable edge 33 is also provided with an L-shaped second holding member 332 , and the positions of the first holding member 312 and the second holding member 332 are symmetrical to each other. Both ends of the movable edge 33 are provided with sliding seats 333, and the guide rails 34 pass through the sliding seats 333, so that the movable edge 33 can be adjusted to the position on the desktop 21. The circuit board is placed on the two support members 32, and the two sides are clamped by the fixed side 31 and the movable side 33. The first holder 312 and the second holder 332 can also clamp the circuit board to prevent the circuit board from slipping and adjusting to the correct position. Correct fiducial location.

The projection pointing unit 4 is a projection device, which is controlled by the host 5 and can project at least one indication pattern on the position of the through hole on the circuit board. The indicating pattern may be dots, arrows, circles, or other patterns. The projection pointing unit 4 is located above the light table 2. In this embodiment, it is arranged at the bracket 15 extending upward from the machine table 1. However, when the tilt angle of the light table 2 is adjusted, the host 5 will also correct the relative data to make the projection point. A single 4 casts the right spot. Of course, it is not limited to this, and the projection pointing unit 4 can also be reconfigured on the bracket extended from the light table 2, which can improve the problem that the parameters need to be changed when the angle of the light table 2 is changed.

The utility model is a circuit board re-inspection operation equipment. A large number of circuit boards will be inspected in the early stage to distinguish good products or bad products, and then re-judgment or repair the through holes of the circuit boards in the bad products, so that the loss is reduced and increased. profit. The relevant defective through hole position data can be transmitted to the host 5 via the remote database, and then the host 5 drives the projection pointing unit 4 to operate.

In addition, the present invention further includes a tool prompting board 6 , which is located on the optical table 2 . In this embodiment, the tool indicating board 6 is arranged on the first holder 312 . The projection pointing unit 4 can project a display pattern. In this embodiment, the display pattern is projected on the tool prompt board 6, and the display pattern can display the type or size of the tool to be used for maintenance. For example, the display pattern can match the predetermined size of the through hole, and directly display the diameter of the hole, so that the operator can directly repair the through hole position and defect state with a tool of relative size, shortening the repair time and the chance of error. Of course, the display pattern can also be projected to other positions on the light table 2, but this position must be easy for the operator to view.

For ease of operation and entering information about the board. The present invention also includes a display screen 7 and an input interface unit 8, and the display screen 7 and the input interface unit 8 are both connected to and controlled by the host computer 5. The display screen 7 is arranged on the bracket 15 and above the light table 2, which is convenient for looking up. The input interface unit 8 is at least one of a keyboard, a mouse, a touch control panel, and a barcode scanner. The input interface unit 8 inputs circuit board data to the host 5, and the host 5 generates a corresponding response in the control display 7 or the projection pointing unit 4. . In addition, the machine table 1 is further provided with an extension platform 16 facing the operator. The extension platform 16 can carry the input interface unit 8 or other tools for repairing the circuit board.

As shown in FIG. 3 and FIG. 4 , it is a schematic diagram of the practical use of the utility model. Place the circuit board 9 on the two support members 32, and adjust the position of the support member 32 to avoid the through hole 91, a corner of the circuit board 9 is close to the first holder 312, and the two sides are clamped by the fixed edge 31 and the movable edge 33. so that the circuit board 9 is in the correct position. Using the input interface unit 8 to input the basic data of the circuit board 9, the host 5 further obtains the position information of the through hole 91 of the circuit board 9 to be re-inspected through the remote database, and then manipulates the projection indication unit 4 to project the indication pattern 41. In this embodiment, the indication The pattern 41 is an arrow. When the light table 2 is activated to light up the table top 21, the operator can clearly see the condition of the through hole 91. If maintenance is required, the display pattern 42 displayed on the tool indicator board 6 can be viewed. This embodiment The middle display pattern 42 is Φ-10, and then use tools of the correct size to repair, so that the inspection operation is easier and faster, the error rate is reduced, and the efficiency and quality of the re-inspection operation are greatly improved.

The above are the preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, several improvements and modifications can be made without departing from the principles described in the present invention. within the scope of protection of the present invention.

Claims (10)

1. A circuit board through-hole re-judgment maintenance equipment is characterized in that, comprising: a machine; a light table, set on the machine table, the light table has a table top that can generate brightness; A high unit is set on the light table, and includes a fixed side, at least two support pieces, a movable side and a plurality of guide rails, the guide rails are arranged on the table top in a direction perpendicular to the fixed side, the support pieces and The movable edge is partially disposed on the guide rail and can slide along the guide rail, the support member is located between the fixed edge and the movable edge and can carry a circuit board, so that the circuit board is elevated above the desktop; a projection pointing unit, located above the light table, capable of projecting at least one indication pattern onto the circuit board; A host is arranged in the machine and controls the operation of the projection pointing unit. 2. The circuit board through-hole re-judgment and maintenance equipment according to claim 1, characterized in that, further comprising a display screen and an input interface unit, the display screen and the input interface unit are connected with the host, and the input interface unit It is at least one of a keyboard, a mouse, a touch control panel, and a barcode scanner. The input interface unit inputs the circuit board data to the host, and the host controls the display screen or the projection pointing unit to generate a corresponding response. 3. The circuit board through-hole re-judgment and maintenance equipment according to claim 1, wherein the guide rail is arranged at a position adjacent to the edge of the desktop, and the guide rail is a connection fixing seat at both ends of the circular shaft, and the fixing seat is arranged on the desktop. On both ends of the supporting piece, there are axle seats, and two ends of the movable edge are provided with sliding seats. The guide rail runs through the axle seats and the sliding seats, so that the supporting piece and the movable edge can be adjusted on the desktop. 4 . The circuit board through-hole re-judgment and maintenance equipment according to claim 1 , wherein the fixed side is provided with an L-shaped first holder, when a corner of the circuit board is against the first holder. 5 . And can be used as a reference positioning point, the movable side is also provided with an L-shaped second holding piece, and the circuit board can be clamped between the first holding piece and the second holding piece. 5 . The circuit board through hole re-judgment and maintenance device according to claim 1 , wherein the projection pointing unit is capable of projecting a display pattern, and the display pattern is to display tool information to be used for maintenance. 6 . 6 . The circuit board through-hole re-judgment and maintenance device according to claim 5 , further comprising a tool indicating board, the tool indicating board is arranged on the light table, and the projection pointing unit projects the display pattern on the light table. 7 . Tool Dashboard. 7. The circuit board through hole re-judgment and maintenance equipment according to claim 1, wherein the optical table is pivotally connected to the top of the machine, and the other side of the top of the machine away from the pivot is provided with a height adjustment The structure enables the light table to adjust the inclination angle. 8 . The circuit board through-hole re-judgment and maintenance equipment according to claim 7 , wherein the height adjustment structure comprises a plurality of positioning grooves and at least one adjustment rod, the plurality of positioning grooves are located on the top of the machine, and the adjustment The rod is pivotally connected to the bottom of the optical table, and when the adjusting rod is clamped in one of the positioning grooves, the inclination angle of the optical table can be maintained. 9 . The circuit board through-hole re-judgment and maintenance equipment according to claim 1 , wherein the machine is further provided with an extension platform. 10 . 10 . The circuit board through-hole re-judgment and maintenance equipment according to claim 1 , wherein the machine is provided with a bracket extending upward, and the projection pointing unit is arranged on the bracket so that the projection pointing unit is located on the light table. 11 . above.

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