Fixing jig for printed circuit board production

Abstract

The utility model discloses a fixing jig for printed circuit board production, which comprises an L-shaped positioning seat arranged above a processing table, the upper end of the processing table is provided with sliding chutes, a first fixing plate and a second fixing plate are respectively arranged above the two sliding chutes, the two sliding chutes are internally provided with sliding blocks, and the first fixing plate and the second fixing plate are arranged on the L-shaped positioning seat. One end of each sliding block is fixedly connected with the lower end of a first fixing plate and the lower end of a second fixing plate, and a first electric push rod and a second electric push rod are arranged in the two sliding grooves. According to the fixing jig, circuit boards of different sizes and models can be rapidly clamped and fixed through the movable fixing plate, when a thin circuit board is fixed, the thin circuit board can be rapidly clamped and fixed through the movable fixing plate, the thin circuit board can be rapidly clamped and fixed through the movable fixing plate, and therefore the thin circuit board can be rapidly clamped and fixed. The thin circuit board is adsorbed and fixed through the suction force, so that the thin circuit board can be prevented from being deformed, and the circuit board fixing effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board production, in particular to a fixing fixture for printed circuit board production. Background Art

[0002] Printed circuit boards are important electronic components. They are the support bodies of electronic components and the carriers of electrical connections of electronic components. Printed circuit boards provide mechanical support for the fixation and assembly of various electronic components such as integrated circuits, and realize the wiring, electrical connection and electrical insulation between various electronic components such as integrated circuits. The printed circuit board production process requires the use of fixing fixtures to fix the printed circuit boards.

[0003] The Chinese patent publication number is CN207053901U, and the authorization announcement date is February 27, 2018. An adjustable fixture for printed circuit board production includes a workbench, a fixing plate, an adjustment device, a fine-tuning device and a control device. The workbench includes a table top, and the adjustment device includes a first adjustment device and a second adjustment device. The first adjustment device and the second adjustment device both include a first limit plate and a driving mechanism for limiting the position of the circuit board to be printed. The fine-tuning device is provided with a second limit plate and an adjustment mechanism. A positioning plate is provided directly below the table top, and each driving mechanism is provided with a slider. Each of the first limit plates is arranged on a corresponding slider, and each of the first limit plates is provided with an induction switch. All induction switches and driving mechanisms are electrically connected to the control device. The utility model meets the requirements of limiting circuit boards of different models and sizes, and improves the production efficiency of printed circuit boards.

[0004] Existing fixing jigs usually dig out grooves with the same shape as the circuit board, and use a clip-on method to fix the circuit board. Different sizes and models of circuit boards require different fixing jigs. The clamping method for thin circuit boards is prone to deformation, which is not conducive to circuit board processing and production, reduces the circuit board fixing effect, and cannot meet usage requirements. Utility Model Content

[0005] The purpose of the utility model is to provide a fixing jig for the production of printed circuit boards, so as to solve the problem proposed in the above background technology that the existing fixing jigs are usually dug out with grooves with the same shape as the circuit board, and the circuit board is fixed by a clamping method. Different sizes and models of circuit boards need to be replaced with different fixing jigs. The thin circuit boards are easily deformed by the clamping method, which is not conducive to the processing and production of the circuit boards, reduces the fixing effect of the circuit boards, and cannot meet the use requirements.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a fixing fixture for printed circuit board production, including a processing table, and also including:

[0007] An L-shaped positioning seat is arranged above the processing table, a slide groove is arranged at the upper end of the processing table, and two slide grooves are arranged, a first fixed plate and a second fixed plate are arranged above the two slide grooves respectively, and the first fixed plate and the second fixed plate are arranged on one side of the L-shaped positioning seat, a slider is arranged inside the two slide grooves, and the slider is slidably connected with the processing table, one end of the slider is fixedly connected with the lower end of the first fixed plate and the second fixed plate, a first electric push rod and a second electric push rod are arranged inside the two slide grooves, and the first electric push rod and the second electric push rod are arranged on one side of the slider, and the first electric push rod and the second electric push rod are fixedly connected with the processing table and the slider;

[0008] An exhaust hole is arranged on the processing table, and at least sixteen exhaust holes are arranged, and the exhaust holes are arranged equidistantly in a grid shape on the processing table. An exhaust fan is arranged below the processing table, and the exhaust fan is fixedly connected to the processing table. A connecting pipe is arranged between the exhaust fan and the lower end of the exhaust hole, and the connecting pipe is connected to the processing table and the exhaust fan as a whole. Support legs are arranged below the processing table, and four support legs are arranged, and the support legs are connected to the processing table by screws. An electric control cabinet is arranged on one side of the processing table, and the electric control cabinet is fixedly connected to the processing table.

[0009] Preferably, balls are provided at the lower ends of the first fixing plate and the second fixing plate, and the balls are rollingly connected to the first fixing plate and the second fixing plate, and the balls are provided on both sides of the sliding block, and the balls are in contact with the processing table.

[0010] Preferably, a soft bag is provided on one side of the L-shaped positioning seat, the first fixing plate and the second fixing plate, and the soft bag is connected to the L-shaped positioning seat, the first fixing plate and the second fixing plate as a whole.

[0011] Preferably, an inductive sensor is provided inside the soft bag, and the inductive sensor is fixedly connected to the L-shaped positioning seat, the first fixing plate and the second fixing plate.

[0012] Preferably, a connecting hole is provided at the upper end of the processing table, a connecting block is provided below the L-shaped positioning seat, and the connecting block is fixedly connected to the L-shaped positioning seat, the connecting block and the connecting hole are provided correspondingly, and the connecting block is plugged into the processing table.

[0013] Preferably, a dustproof net is provided at the upper end of the air extraction hole, and the dustproof net is connected to the processing table as a whole.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The utility model device is provided with an L-shaped positioning seat, a first fixing plate, a second fixing plate, a slider, a first electric push rod and a second electric push rod. The first fixing plate and the second fixing plate are slidably connected to the processing table through the slider. The first electric push rod and the second electric push rod drive the slider to move along the slide groove, and then drive the first fixing plate and the second fixing plate to translate. The translated first fixing plate and the second fixing plate contact the two end surfaces of the printed circuit board, and the L-shaped positioning seat contacts the other two end surfaces of the printed circuit board to clamp and fix the printed circuit board;

[0016] 2. The utility model device is provided with an exhaust hole, an exhaust fan and a connecting pipe. The connecting pipe connects the exhaust hole with the exhaust fan. The exhaust fan is turned on to generate suction. Under the action of the suction, the air in the exhaust hole is extracted through the connecting pipe, so that a negative pressure state is formed at the contact point between the lower end of the printed circuit board and the upper end of the exhaust hole, and the thin printed circuit board is adsorbed and fixed by means of suction. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a top view of the utility model;

[0019] Figure 3 It is a bottom view of the utility model;

[0020] Figure 4 This is a diagram showing the connection relationship between the first fixing plate and the processing table of the utility model;

[0021] Figure 5 This is a connection diagram between the L-shaped positioning seat and the processing table of the utility model.

[0022] In the figure: 1. Processing table; 2. Support legs; 3. Electric control cabinet; 4. L-shaped positioning seat; 5. Slide groove; 6. First fixed plate; 7. Second fixed plate; 8. First electric push rod; 9. Second electric push rod; 10. Exhaust hole; 11. Exhaust fan; 12. Connecting pipe; 13. Sliding block; 14. Ball bearing; 15. Dustproof net; 16. Soft bag; 17. Induction sensor; 18. Connecting hole; 19. Connecting block. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] See also Figure 1-5 The utility model provides an embodiment: a fixed fixture for printed circuit board production, including a processing table 1, and also including:

[0025] An L-shaped positioning seat 4 is arranged above the processing table 1, and a slide groove 5 is arranged at the upper end of the processing table 1. There are two slide grooves 5, and a first fixed plate 6 and a second fixed plate 7 are respectively arranged above the two slide grooves 5, and the first fixed plate 6 and the second fixed plate 7 are both arranged on one side of the L-shaped positioning seat 4, and a slider 13 is arranged inside the two slide grooves 5, and the slider 13 is slidably connected to the processing table 1, and one end of the slider 13 is fixedly connected to the lower end of the first fixed plate 6 and the second fixed plate 7, and a first electric push rod 8 and a second electric push rod 9 are arranged inside the two slide grooves 5, and the first electric push rod 8 and the second electric push rod 9 are arranged on one side of the slider 13, and the first electric push rod 8 and the second electric push rod 9 are fixedly connected to the processing table 1 and the slider 13;

[0026] An exhaust hole 10 is arranged on the processing table 1. There are at least sixteen exhaust holes 10, and the exhaust holes 10 are equidistantly arranged in a grid shape on the processing table 1. An exhaust fan 11 is arranged below the processing table 1, and the exhaust fan 11 is fixedly connected to the processing table 1. A connecting pipe 12 is arranged between the exhaust fan 11 and the lower end of the exhaust hole 10, and the connecting pipe 12 is connected to the processing table 1 and the exhaust fan 11 as a whole. A supporting leg 2 is arranged below the processing table 1. There are four supporting legs 2, and the supporting legs 2 are connected to the processing table 1 by screws. An electric control cabinet 3 is arranged on one side of the processing table 1, and the electric control cabinet 3 is fixedly connected to the processing table 1.

[0027] During use: the printed circuit board is placed flat on the processing table 1, and one corner of the printed circuit board is placed in the L-shaped positioning seat 4, the first electric push rod 8 and the second electric push rod 9 are driven to drive the slider 13 to move along the slide groove 5, and then the first fixed plate 6 and the second fixed plate 7 are driven to translate, and the translated first fixed plate 6 and the second fixed plate 7 are in contact with the other two end surfaces of the printed circuit board, so as to fix the printed circuit board. When fixing a thin printed circuit board, the printed circuit board is placed flat on the processing table 1, and the exhaust fan 11 is turned on to extract the air in the exhaust hole 10 through the connecting pipe 12, so that a negative pressure state is formed at the contact point between the lower end of the printed circuit board and the exhaust hole 10, and then the printed circuit board is adsorbed on the processing table 1 to be fixed.

[0028] See also Figure 1 and Figure 4 The lower ends of the first fixed plate 6 and the second fixed plate 7 are both provided with balls 14, and the balls 14 are rollingly connected with the first fixed plate 6 and the second fixed plate 7. The balls 14 are arranged on both sides of the slider 13, and the balls 14 are in contact with the processing table 1. The balls 14 support the first fixed plate 6 and the second fixed plate 7, and can also reduce the movement resistance of the first fixed plate 6 and the second fixed plate 7.

[0029] See also Figure 1 , Figure 2 and Figure 5A soft bag 16 is provided on one side of the L-shaped positioning seat 4, the first fixing plate 6 and the second fixing plate 7, and the soft bag 16 is connected to the L-shaped positioning seat 4, the first fixing plate 6 and the second fixing plate 7 as a whole, and the soft bag 16 protects the clamped and fixed printed circuit board.

[0030] See also Figure 1 and Figure 5 An inductive sensor 17 is provided inside the soft bag 16, and the inductive sensor 17 is fixedly connected to the L-shaped positioning seat 4, the first fixing plate 6 and the second fixing plate 7. The inductive sensor 17 senses the clamped printed circuit board to avoid excessive clamping damage to the printed circuit board and improve the fixing effect of the printed circuit board.

[0031] See also Figure 1 and Figure 5 A connecting hole 18 is provided at the upper end of the processing table 1, and a connecting block 19 is provided below the L-shaped positioning seat 4, and the connecting block 19 is fixedly connected to the L-shaped positioning seat 4, the connecting block 19 is correspondingly arranged to the connecting hole 18, and the connecting block 19 is plugged into the processing table 1, and the L-shaped positioning seat 4 is connected to the processing table 1 through the connecting hole 18 and the connecting block 19, which facilitates the disassembly and assembly of the L-shaped positioning seat 4.

[0032] See also Figure 1 , Figure 4 and Figure 5 A dustproof net 15 is provided at the upper end of the air extraction hole 10, and the dustproof net 15 is connected to the processing table 1 as a whole. The dustproof net 15 plays a dustproof role to prevent particle dust from being sucked into the air extraction hole 10 and causing blockage.

[0033] Working principle: the printed circuit board is placed flat on the processing table 1, and one corner of the printed circuit board is placed in the L-shaped positioning seat 4, the first electric push rod 8 and the second electric push rod 9 are driven to drive the slider 13 to move along the slide groove 5, and then the first fixed plate 6 and the second fixed plate 7 are driven to translate, and the translated first fixed plate 6 and the second fixed plate 7 are in contact with the other two end faces of the printed circuit board, so as to fix the printed circuit board; the soft bag 16 protects the clamped printed circuit board, and the inductive sensor 17 senses the clamped printed circuit board to avoid excessive clamping damage to the printed circuit board and improve the fixing effect of the printed circuit board; when fixing a thin printed circuit board, the printed circuit board is placed flat on the processing table 1, and the exhaust fan 11 is turned on to extract the air in the exhaust hole 10 through the connecting pipe 12, so that a negative pressure state is formed at the contact between the lower end of the printed circuit board and the exhaust hole 10, and the printed circuit board is adsorbed on the processing table 1 by suction to achieve fixation.

[0034] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fixture for producing printed circuit boards, comprising a processing table (1), characterized in that: Also includes: An L-shaped positioning seat (4) is arranged above the processing table (1), and a slide groove (5) is arranged at the upper end of the processing table (1). There are two slide grooves (5), and a first fixed plate (6) and a second fixed plate (7) are arranged above the two slide grooves (5), respectively, and the first fixed plate (6) and the second fixed plate (7) are arranged on one side of the L-shaped positioning seat (4). A slider (13) is arranged inside the two slide grooves (5), and the slider (13) is slidably connected to the processing table (1), and one end of the slider (13) is fixedly connected to the lower end of the first fixed plate (6) and the second fixed plate (7). A first electric push rod (8) and a second electric push rod (9) are arranged inside the two slide grooves (5), and the first electric push rod (8) and the second electric push rod (9) are arranged on one side of the slider (13), and the first electric push rod (8) and the second electric push rod (9) are fixedly connected to the processing table (1) and the slider (13); An exhaust hole (10) is arranged on the processing table (1), at least sixteen exhaust holes (10) are arranged, and the exhaust holes (10) are arranged equidistantly in a grid shape on the processing table (1); an exhaust fan (11) is arranged below the processing table (1), and the exhaust fan (11) is fixedly connected to the processing table (1); a connecting pipe (12) is arranged between the exhaust fan (11) and the lower end of the exhaust hole (10), and the connecting pipe (12) is connected to the processing table (1) and the exhaust fan (11) as a whole; a supporting leg (2) is arranged below the processing table (1), four supporting legs (2) are arranged, and the supporting leg (2) is connected to the processing table (1) by screws; an electric control cabinet (3) is arranged on one side of the processing table (1), and the electric control cabinet (3) is fixedly connected to the processing table (1).

2. A fixing jig for printed circuit board production according to claim 1, characterized in that: The lower ends of the first fixing plate (6) and the second fixing plate (7) are both provided with balls (14), and the balls (14) are rollingly connected to the first fixing plate (6) and the second fixing plate (7), and the balls (14) are arranged on both sides of the slider (13), and the balls (14) are in contact with the processing table (1).

3. A fixing jig for printed circuit board production according to claim 1, characterized in that: A soft bag (16) is provided on one side of the L-shaped positioning seat (4), the first fixing plate (6) and the second fixing plate (7), and the soft bag (16) is connected to the L-shaped positioning seat (4), the first fixing plate (6) and the second fixing plate (7) as a whole.

4. A fixing jig for printed circuit board production according to claim 3, characterized in that: An inductive sensor (17) is arranged inside the soft bag (16), and the inductive sensor (17) is fixedly connected to the L-shaped positioning seat (4), the first fixing plate (6) and the second fixing plate (7).

5. The fixing jig for printed circuit board production according to claim 1, characterized in that: A connection hole (18) is provided at the upper end of the processing table (1), a connection block (19) is provided below the L-shaped positioning seat (4), and the connection block (19) is fixedly connected to the L-shaped positioning seat (4), the connection block (19) and the connection hole (18) are arranged correspondingly, and the connection block (19) is plugged into the processing table (1).

6. A fixing jig for printed circuit board production according to claim 1, characterized in that: A dustproof net (15) is provided at the upper end of the air extraction hole (10), and the dustproof net (15) is connected to the processing table (1) as a whole.

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