SMT printing frame top PIN anti-collision piece device

Abstract

The utility model discloses an SMT printing frame top PIN anti-collision piece device, and relates to the technical field of electronic manufacturing. An SMT printing frame top PIN anti-collision piece device comprises an installation box and a bakelite plate, and is characterized in that an electric telescopic rod is fixedly installed on the inner bottom wall of the installation box, and V-shaped pieces are fixedly installed at the center of the top of a first sliding plate and the positions close to the four corners; first sliding rods are fixedly mounted at the positions, close to the center, of the left side and the right side of the top of the mounting plate correspondingly, sliding blocks movably sleeve the positions, close to the left side and the right side, of the outer surfaces of the multiple third sliding rods correspondingly, and a second sliding rod group is fixedly mounted in the connecting groove; the outer surfaces of the multiple second sliding rod sets are movably sleeved with second sliding plates correspondingly, clamping plates are fixedly installed on the sides, away from the second sliding plates, of the multiple sliding columns correspondingly, springs are arranged in the multiple connecting grooves correspondingly, and pressure sensors are arranged in the multiple connecting grooves.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic manufacturing, in particular to a PIN anti-collision device on the top of an SMT printing frame. Background Art

[0002] The SMT printing frame top PIN anti-collision device is an auxiliary equipment used in the surface mount technology (SMT) production process. It is usually installed on the bracket of the printing machine to support and fix the circuit board (PCB) during screen printing.

[0003] Chinese utility model patent CN103491713B discloses an automatic board stripping device for a circuit board forming machine, including a frame, an upper bakelite board is fixed on the upper surface of the frame, and a lower bakelite board that can move up and down is arranged below the frame; a paper paddle board is fixed on the upper surface of the upper bakelite board; a PIN pin positioning hole is arranged on the lower bakelite board, and a connected through hole is arranged on the upper bakelite board and the paper paddle board, and the through hole corresponds to the PIN pin positioning hole on the lower bakelite board one by one; the characteristic is that: the PIN pin positioning hole is a step hole, the aperture of the upper part of the PIN pin positioning hole is consistent with the aperture of the through hole, and the aperture of the lower part of the PIN pin positioning hole is smaller than the aperture of the upper part. The present invention changes the thickness of the upper bakelite board used for stripping by the forming machine, thereby reducing the depth of the large hole and the probability of PIN pin deviation when knocking the PIN pin, so as to avoid the occurrence of abnormal deviation during CNC processing, improve the first pass rate, and improve the utilization rate of the machine.

[0004] However, the existing PCB is not evenly pressed during printing, which causes damage to the PIN pins and the PCB. Therefore, a PIN anti-collision device on the top of an SMT printing frame is needed to enhance the protection of the PIN pins and the PCB. Utility Model Content

[0005] The utility model provides a PIN anti-collision device on the top of an SMT printing frame to solve the problems in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an SMT printing frame top PIN anti-collision device, including an installation box and a bakelite board, characterized in that: a control box is arranged on the right side of the installation box, a movable door is arranged on the front side of the installation box, an electric telescopic rod is fixedly installed on the inner bottom wall of the installation box, an output end of the electric telescopic rod is fixedly connected to a first slide plate, a V-shaped piece is fixedly installed at the top center of the first slide plate and near the four corners, a limit switch is arranged on the top and bottom of the first slide plate, installation plates are fixedly installed on the left and right sides of the inner wall of the installation box near the center, first slide bars are fixedly installed on the left and right sides of the top of the installation plate near the center, Installation grooves are provided at the top center of the bakelite board and near the four corners, third slide bars are fixedly installed on the left and right side walls of the installation grooves near the front and rear ends, sliders are movably mounted on the outer surfaces of the third slide bars near the left and right positions, slide grooves are provided on the sliders, connecting grooves are provided on the sliders, a second slide bar group is fixedly installed inside the connecting groove, a second slide plate is movably mounted on the outer surfaces of the second slide bar groups, a slide column is fixedly installed on one side of the second slide plates, a clamping plate is fixedly installed on the side of the slide columns away from the second slide plates, springs are provided inside the connecting grooves, and pressure sensors are provided inside the connecting grooves.

[0007] Furthermore, a through groove is provided at a position near the center of the top of the first slide plate.

[0008] Furthermore, the tops of the two first sliding bars pass through the through slots on the first sliding plate and are fixedly connected to the inner top wall of the installation box.

[0009] Furthermore, the bottom of the bakelite board is fixedly connected to the top of the installation box, and a plurality of PIN pins are arranged on the bakelite board.

[0010] Furthermore, the plurality of sliders are respectively arranged in groups of two inside the plurality of mounting grooves, the plurality of connecting grooves are respectively provided with the opposite sides of the plurality of sliders in groups of two, one side of the plurality of springs is fixedly connected to a side wall adjacent to the plurality of connecting grooves, the mounting end of the plurality of pressure sensors is fixedly connected to a side wall adjacent to the plurality of connecting grooves, the plurality of pressure sensors are respectively located inside the plurality of connecting grooves, the plurality of second slide rod groups are composed of four second slide rods, the right sides of the plurality of second slide rod groups are respectively fixedly connected to a side adjacent to the plurality of connecting grooves, the ends of the plurality of springs away from the plurality of connecting grooves are respectively movably connected to the ends of the plurality of second slides away from the sliding columns, the ends of the plurality of sliding columns away from the second slides respectively penetrate the interiors of the adjacent connecting grooves and extend out of the right sides of the adjacent sliders respectively, and the connection between the sliding column and the slider is a movably connected connection.

[0011] Furthermore, the tops of the multiple V-shaped members respectively penetrate the inner top wall of the installation box and extend out of the installation grooves, and the left and right sides of the multiple V-shaped members are respectively movably connected to the inner grooves of the multiple sliding blocks in groups of two.

[0012] Furthermore, the plurality of third sliding rods are arranged in groups of two on the inner left and right side walls of the mounting groove and are fixedly connected thereto.

[0013] Furthermore, one end of the electric telescopic rod near the output end is fixedly connected to the bottom of the mounting plate near the center, and the output end of the electric telescopic rod passes through the bottom center of the mounting plate and extends out of the top of the mounting plate and is connected to the first slide plate.

[0014] Compared with the prior art, the utility model provides a SMT printing frame top PIN anti-collision device, which has the following beneficial effects:

[0015] 1. The SMT printing frame top PIN anti-collision device can clamp and fix the printed circuit board by arranging the electric telescopic rod, the first slide plate, the V-shaped member and the slide block, so as to realize automatic fixation, improve work efficiency, and ensure that the pressure is uniform and not excessive, thereby protecting the PIN needle and the PCB from damage.

[0016] 2. The SMT printing frame top PIN anti-collision device can adaptively adjust the clamping force according to the size of the hole on the printed circuit board by setting a spring, a second slide plate, a slide column and a clamping plate to ensure that the printed circuit board is firmly fixed; Safety protection: Through the pressure sensor, the electric telescopic rod can be prevented from being over-extended or the circuit board can be over-clamped, thereby protecting the safety of the equipment and the circuit board. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0018] Figure 2 This is the internal structure diagram of the installation box of the utility model;

[0019] Figure 3 This is the internal structure diagram of the slider of the utility model;

[0020] Figure 4 It is an enlarged view of point A of the present utility model.

[0021] In the figure: 1. bakelite board; 2. installation box; 3. control box; 4. movable door; 5. limit switch; 6. electric telescopic rod; 7. first slide bar; 8. V-shaped member; 9. slider; 10. first slide plate; 11. installation plate; 12. installation groove; 13. third slide bar; 14. clamping plate; 15. connecting groove; 16. slide column; 17. second slide plate; 18. second slide bar group; 19. spring; 20. pressure sensor; 21. slide groove. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 The utility model discloses a PIN anti-collision device for the top of an SMT printing frame, comprising an installation box 2 and a bakelite board 1, a control box 3 is arranged on the right side of the installation box 2, a movable door 4 is arranged on the front side of the installation box 2, an electric telescopic rod 6 is fixedly installed on the inner bottom wall of the installation box 2, an output end of the electric telescopic rod 6 is fixedly connected to a first slide plate 10, a V-shaped member 8 is fixedly installed at the top center of the first slide plate 10 and near the four corners, a limit switch 5 is arranged on the top and bottom of the first slide plate 10, an installation plate 11 is fixedly installed at the left and right sides of the inner wall of the installation box 2 near the center, a first slide bar 7 is fixedly installed at the left and right sides of the top of the installation plate 11 near the center, the top center of the bakelite board 1 and near the four corners A mounting groove 12 is provided at the position, and a third slide bar 13 is fixedly installed on the left and right side walls of multiple mounting grooves 12 near the front and rear ends. Slide blocks 9 are movably sleeved on the outer surfaces of multiple third slide bars 13 near the left and right positions. Slide grooves 21 are provided on multiple slide blocks 9. Connecting grooves 15 are provided on multiple slide blocks 9. A second slide bar group 18 is fixedly installed inside the connecting groove 15. Second slide plates 17 are movably sleeved on the outer surfaces of multiple second slide bar groups 18. Sliding columns 16 are fixedly installed on one side of multiple second slide plates 17. Clamping plates 14 are fixedly installed on the sides of multiple slide columns 16 away from the second slide plates 17. Springs 19 are provided inside the multiple connecting grooves 15. Pressure sensors 20 are provided inside the multiple connecting grooves 15.

[0024] Specifically, a through groove is formed at a position near the center of the top of the first slide plate 10 .

[0025] Specifically, the tops of the two first sliding bars 7 pass through the through slots on the first sliding plate 10 and are fixedly connected to the inner top wall of the installation box 2 .

[0026] Specifically, the bottom of the bakelite board 1 is fixedly connected to the top of the installation box 2, and a plurality of PIN pins are arranged on the bakelite board 1.

[0027] Specifically, the plurality of sliders 9 are respectively arranged in groups of two inside the plurality of mounting grooves 12, the plurality of connecting grooves 15 are respectively opened with the opposite side of the plurality of sliders 9 in groups of two, one side of the plurality of springs 19 is fixedly connected to a side wall adjacent to the plurality of connecting grooves 15, the mounting end of the plurality of pressure sensors 20 is fixedly connected to a side wall adjacent to the plurality of connecting grooves 15, the plurality of pressure sensors 20 are respectively located inside the plurality of connecting grooves 15, the plurality of second slide rod groups 18 are composed of four second slide rod groups 18, the right sides of the plurality of second slide rod groups 18 are respectively fixedly connected to a side adjacent to the plurality of connecting grooves 15, the ends of the plurality of springs 19 away from the plurality of connecting grooves 15 are respectively movably sleeved with the ends of the plurality of second slide plates 17 away from the slide column 16, the ends of the plurality of slide columns 16 away from the second slide plates 17 respectively penetrate the interior of the adjacent connecting grooves 15 and extend out of the right side of the adjacent sliders 9 respectively, and the connection between the slide column 16 and the slider 9 is a movably sleeved connection.

[0028] Specifically, the tops of the multiple V-shaped members 8 respectively penetrate the inner top wall of the installation box 2 and extend out of the installation groove 12, and the left and right sides of the multiple V-shaped members 8 are respectively movably connected to the inner grooves 21 inside the multiple sliders 9 in groups of two.

[0029] In this embodiment, the stability of the V-shaped member 8 during sliding is enhanced.

[0030] Specifically, the plurality of third sliding rods 13 are respectively arranged in groups of two on the left and right side walls inside the installation groove 12 and fixedly connected thereto.

[0031] Specifically, one end of the electric telescopic rod 6 close to the output end is fixedly connected to the bottom of the mounting plate 11 near the center, and the output end of the electric telescopic rod 6 passes through the bottom center of the mounting plate 11 and extends out of the top of the mounting plate 11 and is connected to the first slide plate 10.

[0032] When in use, the electric telescopic rod 6 is started, and the output end of the electric telescopic rod 6 drives the first slide plate 10 to move along the first slide bar 7, thereby driving the V-shaped member 8 to move upward, thereby driving the slider 9 to move toward the center along the third slide bar 13, and then the hole on the printed circuit board is put on the two sliders 9. After the printed circuit board is placed, the output end of the electric telescopic rod 6 is driven to retract again, driving the first slide plate 10 to move downward along the first slide bar 7, thereby driving the V-shaped member 8 to move downward, thereby driving the slider 9 to move to both sides along the third slide bar 13, and then the clamping plate 14 contacts the inside of the hole on the printed circuit board and retracts one end away from the printed circuit board toward the inside of the connecting groove 15, thereby driving the slide column 16 to move toward the inside of the connecting groove 15, thereby pushing the second slide plate 17 to move downward along the second slide bar group 18, compressing the spring 19, until the second slide The end of the plate 17 away from the slide column 16 contacts the detection end of the pressure sensor 20, and the output end of the electric telescopic rod 6 stops moving downward, so that the printed circuit board is clamped and fixed on the PIN pin on the bakelite board 1. After the processing is completed, when the printed circuit board needs to be taken out, the electric telescopic rod 6 is driven again, and the output end of the electric telescopic rod 6 drives the first slide plate 10 to move along the first slide bar 7, thereby driving the V-shaped member 8 to move upward, thereby driving the slider 9 to move toward the center along the third slide bar 13, and then the holes on the printed circuit board are put on the two sliders 9, so that the processed printed circuit board is removed and a new printed circuit board to be detected is placed, and this cycle is repeated to quickly fix the printed circuit board. After the height or lowness of the first slide plate 10 reaches a certain level, the output of the output end of the electric telescopic rod 6 is stopped by the limit switch 5.

[0033] In summary, the SMT printing frame top PIN anti-collision device, by providing the electric telescopic rod 6, the first slide plate 10, the V-shaped member 8 and the slider 9, can clamp and fix the printed circuit board, facilitate automatic fixation, improve work efficiency, and ensure that the pressure is uniform and not excessive, thereby protecting the PIN needle and the PCB from damage; by providing the spring 19, the second slide plate 17, the slide column 16 and the clamping plate 14, the clamping force can be adaptively adjusted according to the size of the hole on the printed circuit board to ensure that the printed circuit board is firmly fixed; safety protection: through the pressure sensor 20, the electric telescopic rod 6 can be prevented from being over-extended or the circuit board can be prevented from being over-clamped, thereby protecting the safety of the equipment and the circuit board.

[0034] 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 SMT printing frame top PIN anti-collision device, comprising a mounting box (2) and a bakelite board (1), characterized in that: A control box (3) is arranged on the right side of the installation box (2), a movable door (4) is arranged on the front side of the installation box (2), an electric telescopic rod (6) is fixedly installed on the inner bottom wall of the installation box (2), the output end of the electric telescopic rod (6) is fixedly connected to a first slide plate (10), a V-shaped member (8) is fixedly installed at the top center of the first slide plate (10) and at positions close to the four corners, a limit switch (5) is arranged at the top and bottom of the first slide plate (10), a mounting plate (11) is fixedly installed at positions close to the center on the left and right sides of the inner wall of the installation box (2), a first slide bar (7) is fixedly installed at positions close to the center on the left and right sides of the top of the installation plate (11), a mounting groove (12) is provided at the top center of the bakelite board (1) and at positions close to the four corners, and a plurality of the mounting grooves (12) are provided. ) are fixedly installed with third slide bars (13) at positions near the front and rear ends on the left and right side walls of the plurality of third slide bars (13), and slide bars (9) are movably sleeved on the outer surfaces of the plurality of third slide bars (13) at positions near the left and right positions, and slide grooves (21) are provided on the plurality of slide bars (9), and connecting grooves (15) are provided on the plurality of slide bars (9), and a second slide bar group (18) is fixedly installed inside the connecting groove (15), and a second slide plate (17) is movably sleeved on the outer surfaces of the plurality of second slide bar groups (18), and a slide column (16) is fixedly installed on one side of the plurality of second slide plates (17), and a clamping plate (14) is fixedly installed on one side of the plurality of slide columns (16) away from the second slide plate (17), and a spring (19) is provided inside the plurality of connecting grooves (15), and a pressure sensor (20) is provided inside the plurality of connecting grooves (15).

2. The SMT printing frame top PIN anti-collision device according to claim 1, characterized in that: A through groove is provided at a position near the center of the top of the first slide plate (10).

3. The SMT printing frame top PIN anti-collision device according to claim 1, characterized in that: The tops of the two first slide bars (7) pass through the through slots on the first slide plate (10) and are fixedly connected to the inner top wall of the installation box (2).

4. The SMT printing frame top PIN anti-collision device according to claim 1, characterized in that: The bottom of the bakelite board (1) is fixedly connected to the top of the installation box (2), and a plurality of PIN pins are arranged on the bakelite board (1).

5. The SMT printing frame top PIN anti-collision device according to claim 1, characterized in that: The plurality of sliders (9) are arranged in groups of two each inside the plurality of mounting grooves (12), the plurality of connecting grooves (15) are respectively provided with a plurality of sliders (9) arranged in groups of two each on the opposite side, one side of the plurality of springs (19) is fixedly connected to a side wall adjacent to the plurality of connecting grooves (15), the mounting end of each of the pressure sensors (20) is fixedly connected to a side wall adjacent to the plurality of connecting grooves (15), the plurality of pressure sensors (20) are respectively located inside the plurality of connecting grooves (15), and the plurality of second slide rod groups (18) are four first The plurality of second slide bar groups (18) are respectively fixedly connected to the side adjacent to the plurality of connection grooves (15); the ends of the plurality of springs (19) away from the plurality of connection grooves (15) are respectively movably sleeved with the ends of the plurality of second slide plates (17) away from the slide column (16); the ends of the plurality of slide columns (16) away from the second slide plates (17) respectively penetrate the interior of the adjacent connection grooves (15) and extend out of the right side of the adjacent slide block (9); and the connection between the slide column (16) and the slide block (9) is movably sleeved.

6. The SMT printing frame top PIN anti-collision device according to claim 1, characterized in that: The tops of the multiple V-shaped members (8) respectively penetrate the inner top wall of the installation box (2) and extend out of the installation groove (12), and the left and right sides of the multiple V-shaped members (8) are respectively movably connected to the inner sliding grooves (21) inside the multiple sliding blocks (9) arranged in groups of two.

7. The SMT printing frame top PIN anti-collision device according to claim 1, characterized in that: The plurality of third sliding rods (13) are arranged in groups of two on the inner left and right side walls of the installation groove (12) and are fixedly connected thereto.

8. The SMT printing frame top PIN anti-collision device according to claim 1, characterized in that: One end of the electric telescopic rod (6) close to the output end is fixedly connected to the bottom of the mounting plate (11) close to the center, and the output end of the electric telescopic rod (6) passes through the bottom center of the mounting plate (11) and extends out of the top of the mounting plate (11) and is connected to the first slide plate (10).

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