CN102098878B - Printed circuit board (PCB) spraying fixture - Google Patents

Abstract

The present invention is applicable to the field of ink spraying devices, and provides a PCB board spraying fixture, which includes a frame, and at least one pressing block that can compress the side of the PCB board is slid on each of the two frames of the frame, and the inside of the frame is provided with There is a cross bar that can slide along the two frames of the frame, and at least one pressing block that can press the side of the PCB board is slid on the cross bar. The PCB board spraying fixture of the present invention can clamp and fix PCB boards of different sizes. When in use, the three sides of the PCB board are clamped and fixed by the pressing blocks on the frame and the cross bar, and can clamp and fix PCB boards of different sizes. Since the position where the fixture fixes the PCB board is not on the surface of the PCB board, but on the side of the PCB board, it can be sprayed at one time during spraying, and there is no need to re-spray ink again, so that the surface of the PCB board can be fully sprayed with ink at one time and sprayed onto the PCB. The ink on the board surface is even and consistent, which reduces the production cost and improves the product quality and production efficiency.

Description

PCB board spraying fixture

technical field

The invention belongs to the field of ink spraying devices, in particular to a PCB board spraying fixture. the

Background technique

At present, when spraying PCB boards, ordinary fixtures are used in the industry. When using this kind of ordinary fixtures for spraying, the fixtures are clamped on the surface of the PCB board. Therefore, it is impossible to complete the ink spraying at one time. The clamping position of the fixture is re-sprayed with ink again, which not only wastes ink, but also increases the labor cost of the process. Moreover, when re-applying ink, there will also be problems of uneven ink sprayed on the PCB surface twice before and after, and poor consistency. resulting in poor product quality. the

In order to solve the quality problem of spraying the PCB board twice, the existing technology also has the method of setting the board edge around the PCB board, so that the clamp is clamped on the surface of the PCB board edge, thereby avoiding the clamping of the clamp In the effective area where the ink needs to be sprayed, although it can be sprayed at one time, it is necessary to specially set the board edge on the PCB board for clamping. This method increases the area of the PCB board and cannot guarantee the size requirements of the PCB board. Also increased production cost. the

Contents of the invention

The object of the present invention is to overcome the shortcomings of the above-mentioned prior art, and provide a spraying fixture that can complete the spraying of the PCB board once without setting board edges around the PCB board, and does not need to reapply ink. the

The present invention is achieved in this way. A PCB board spraying fixture includes a frame, and at least one pressing block that can compress the side of the PCB board is slid on each of the two frames of the frame. A cross bar that slides on the two frames of the frame, and at least one pressing block that can compress the side of the PCB board is also slid on the cross bar, and a frame structure with an opening is formed between each of the pressing blocks; the pressing block includes A base, the base is provided with a first adjustment piece and a second adjustment piece, the first adjustment piece is perpendicular to or parallel to the second adjustment piece, the second adjustment piece is connected with a pressing piece, The first adjusting member is used to adjust the pressing block to slide back and forth along the frame or cross bar of the frame, and the second adjusting member is used to adjust the pressing block to slide along the frame perpendicular to the frame Or the direction of the crossbar moves back and forth, the pressing member is used to compress the side of the PCB board; the first adjusting member includes bolts and bolt fasteners connected with the bolts, and the second adjusting member includes adjusting A screw rod and an elastic member sheathed on the adjusting screw rod, the adjusting screw rod is connected with the pressing member. the

More specifically, the base is I-shaped, and two aligned holes are provided on both sides of the base; the bolt of the first adjusting member is arranged on the middle part of the base, and the The second adjustment member includes two adjustment screws, and the two adjustment screws respectively pass through the holes on the same side, the elastic member is located between the recesses of the base, and the two ends of the elastic member are against the base s surface. the

More specifically, the pressing pieces on the pressing blocks at the two open ends of the frame structure are L-shaped; the other pressing pieces are in-line shape. the

More specifically, the elastic member is a compression spring. the

More specifically, the side of the pressing member in contact with the side of the PCB is zigzag-shaped. the

More specifically, both the frame and the crossbar are provided with elongated sliding slots. the

More specifically, the two ends of the cross bar are slidably arranged in sliding grooves on the two frames of the frame, and the bolts are slidably arranged in the sliding grooves on the cross bar. the

The PCB board spraying fixture provided by the present invention, when in use, the three sides of the PCB board are clamped and fixed by the pressure blocks on the frame and the cross bar, and can clamp and fix PCB boards of different sizes, because the position where the fixture fixes the PCB board is not On the surface of the PCB board, and on the side of the PCB board, the spraying can be completed at one time, without re-spraying the ink again, so that the surface of the PCB board can be fully sprayed with ink at one time, and the ink sprayed on the surface of the PCB board is uniform and consistent . The present invention avoids the phenomenon that the clamping position of the PCB needs to be re-sprayed with ink, and also avoids the phenomenon of specially setting board edges for clamping around the PCB, thereby reducing production costs and improving product quality and production efficiency. the

Description of drawings

Fig. 1 is the schematic diagram of the PCB board spraying fixture that the embodiment of the present invention provides;

Fig. 2 is a schematic diagram of a briquetting block comprising mutually perpendicular bolts and adjusting screw rods and an inline pressing member provided by an embodiment of the present invention;

3 is a schematic diagram of a briquetting block comprising mutually perpendicular bolts and adjusting screw rods and an L-shaped pressing member provided by an embodiment of the present invention;

Fig. 4 is a schematic diagram of a briquetting block including mutually parallel bolts and adjusting screw rods and an in-line pressing member provided by an embodiment of the present invention;

Fig. 5 is a schematic diagram of a pressing block provided by an embodiment of the present invention including bolts and adjusting screws parallel to each other, and an L-shaped pressing member. the

Detailed ways

In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. the

As shown in Fig. 1, a kind of PCB board spraying fixture provided by the embodiment of the present invention includes a frame 1, and at least one compressible PCB board (not shown in the figure) is slidingly provided on the two frames of the frame 1 As for the pressure block 2 on the side, the frame 1 is provided with a crossbar 3 that can slide along the two sides of the frame 1, and the crossbar 3 is also slidably provided with at least one pressure block 2 that can compress the side of the PCB board. The PCB board spraying jig provided by the present invention, when in use, the three sides of the PCB board are clamped and fixed by the pressure block 2 on the frame 1 and the cross bar 3, and can clamp and fix PCB boards of different sizes, because the jig fixes the PCB board The position is not on the surface of the PCB board, but on the side of the PCB board. When spraying, it can be sprayed at one time, and there is no need to re-spray ink again, so that the surface of the PCB board can be fully sprayed with ink at one time, and sprayed on the surface of the PCB board. The ink is even and consistent. The invention avoids the phenomenon that the clamping position of the PCB board needs to be re-sprayed with ink, and also avoids the phenomenon of specially setting the board edge for clamping around the PCB board, thereby reducing the production cost and improving the quality of the product and production efficiency. the

Each component of the present invention will be described in detail below. the

As shown in Figure 1, the frame 1 is provided with a slender chute 11, and the two ends of the cross bar 3 are slid in the chute 11 on the frame 1, and the specific implementation method is: the cross bar 3 The two ends of the frame are respectively connected with a bolt fastener 32 by a bolt 31, and the bolt 31 is slid in the chute 11 on the frame 1, so that the cross bar 3 is slid on the two frames of the frame 1 purpose; when it is necessary to fix the cross bar 3 to a certain position on the frame 1, tighten the bolt 31, the bolt fastener 32 can be firmly pressed on the frame 1, thereby realizing the fixing of the cross bar 3 on the frame 1 The purpose of a certain position on the. the

As shown in Figures 1 to 5, the pressing block 2 includes an I-shaped base 21, and the base 21 is provided with a first adjusting member 22 and a second adjusting member 23, and the first adjusting member 22 Perpendicular to the second adjusting member 23 (as shown in FIGS. 2 and 3 ), the first adjusting member 22 may also be parallel to the second adjusting member 23 (as shown in FIGS. 4 and 5 ), so The second adjusting member 23 is connected with a pressing member 24, the first adjusting member 22 is used to adjust the pressure block 2 to slide back and forth along the frame of the frame 1 or the direction of the cross bar 3, and the second adjusting member 23 is used to Since the adjusting pressing block 2 moves back and forth along the direction perpendicular to the frame 1 frame or the cross bar 3, the pressing member 24 is used to press the side of the PCB board, so as to realize one-time spraying of the PCB board. the

Referring again to Figures 1 to 5, the first adjusting member 22 includes a bolt 221 and a bolt fastener 222 connected to the bolt 221, and the second adjusting member 23 includes an adjusting screw rod 231 and sleeved on the The elastic member 232 on the adjusting screw 231 is connected with the pressing member 24 . the

Referring again to Figures 1 to 5, when the first adjusting member 22 is perpendicular to the second adjusting member 23 and is used to adjust the pressure block 2 to slide back and forth along the direction of the cross bar 3, the specific implementation method is: The rod 3 is provided with a slender chute 33, and the bolt 221 is arranged in the chute 33, the bolt 221 is loosened to loosen the bolt fastener 222, and the bolt 221 can slide back and forth along the chute 33 on the cross bar 3 , so as to realize the pressure block 2 sliding back and forth along the direction of the cross bar 3; On the bar 3, the purpose of fixing the pressure block 2 on a certain position on the cross bar 3 is realized. the

Referring again to Figures 1 to 5, when the first adjusting member 22 is parallel to the second adjusting member 23 and is used to adjust the pressure block 2 to slide back and forth along the direction of the frame 1 frame, the specific implementation method is as follows: The bolt 221 is arranged in the chute 11 on the frame 1, the bolt 221 is loosened to loosen the bolt fastener 222, and the bolt 221 can slide back and forth along the chute 11 on the frame 1, thereby realizing the pressure block 2 along the frame. 1 to slide back and forth in the direction of the frame; when it needs to be fixed in one position, tighten the bolt 221 so that the bolt fastener 222 is firmly pressed onto the frame of the frame 1, thereby realizing the fixing of the pressure block 2 to a certain position on the frame 1 purpose of the location. the

Referring to Figures 1 to 5 again, the adjusting screw 231 is also sleeved with an elastic member 232, the elastic member 232 is specifically a compression spring, by screwing the adjusting screw 231, the pressing block 2 can be made The direction of the frame 1 or the crossbar 3 moves so that the pressing block 2 can fix PCB boards of different sizes, and the elastic member 232 makes it more convenient to adjust the screw rod 231 through its elastic force. Further, the shape of the pressing member 26 is inline (as shown in Figure 2 and Figure 4 ) or L-shaped (as shown in Figure 3 and Figure 5 ), and the inline pressing member 24 is used to compress the PCB On one side of the board, the L-shaped pressing piece 24 is used to press and fix the two sides at the corner of the PCB board. In addition, the side of the pressing piece 24 in contact with the side of the PCB is zigzag, and this zigzag structure increases the contact friction between the pressing piece 24 and the PCB, so that the pressing piece 2 can be firmly Firmly press and fix the PCB board, so that the position of the PCB board is stable during spraying, and the quality of spraying is guaranteed. the

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the protection of the present invention. within range. the

Claims (7)

1. A PCB board spraying fixture, it is characterized in that: comprise a frame, respectively slide and be provided with at least one briquetting block that can compress the PCB board side on the two frames of described frame, be provided with in the described frame a can along this frame A cross bar that slides on the two frames of the cross bar, and at least one pressing block that can compress the side of the PCB board is also slid on the cross bar, and a frame structure with an opening is formed between each of the pressing blocks; The pressing block includes a base on which a first adjusting piece and a second adjusting piece are arranged, the first adjusting piece is perpendicular to or parallel to the second adjusting piece, the second adjusting piece is connected to a The pressing part is connected, the first adjusting part is used to adjust the pressing block to slide back and forth along the frame or cross bar of the frame, and the second adjusting part is used to adjust the pressing block along the direction perpendicular to The direction of the border of the frame or the cross bar moves back and forth, and the pressing member is used to press the side of the PCB board; The first adjustment member includes a bolt and a bolt fastener connected with the bolt, the second adjustment member includes an adjustment screw and an elastic member sleeved on the adjustment screw, and the adjustment screw is connected to the pressure Fastener connection. the 2. PCB board spraying fixture as claimed in claim 1, is characterized in that: described base is I-shaped, and the both sides of described base are respectively provided with two aligned holes; The bolt is arranged on the middle part of the base, the second adjustment member includes two adjustment screw rods, and the two adjustment screw rods pass through the holes on the same side respectively, and the elastic member is located between the recesses of the base Between, and the two ends of the elastic member against the surface of the base. the 3 . The PCB board spraying fixture according to claim 2 , wherein the pressing pieces on the pressing blocks at the two open ends of the frame structure are L-shaped; the remaining pressing pieces are in-line. 4 . the 4. The PCB board spraying fixture according to claim 1 or 2, characterized in that: the elastic member is a compression spring. the 5. The PCB board spraying fixture according to claim 1, characterized in that: the side of the pressing member in contact with the side of the PCB board is zigzag-shaped. the 6. The fixture for spraying PCB boards according to claim 1, characterized in that: both the frame and the crossbar are provided with slender slide grooves. the 7. The PCB board spraying fixture as claimed in claim 6, characterized in that: the two ends of the cross bar are respectively slid in the slide grooves on the two frames of the frame, and the bolts are slid in the cross rails. in the chute on the rod. the

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