Fixing device for SMT chip mounter

Abstract

The utility model provides a fixing device for an SMT chip mounter, which comprises a bottom plate and a PCB clamping mechanism, a telescopic cylinder is mounted on the right side of a first vertical plate, the output end of the telescopic cylinder is fixedly connected with a movable mounting rack, the movable mounting rack is connected with the bottom plate in a left-right sliding manner, a turnover motor is mounted on the movable mounting rack, and the PCB clamping mechanism is mounted on the turnover motor. The output end of the overturning motor is fixedly connected with the PCB left side clamping mechanism, the PCB left side clamping mechanism is rotationally connected with the movable mounting frame, a connecting rod is fixedly connected between the fixed mounting frame and the second vertical plate, and the PCB right side clamping mechanism is mounted on the left side of the fixed mounting frame and rotationally connected with the fixed mounting frame. According to the utility model, double-sided mounting can be conveniently carried out on the PCB, the PCB does not need to be dismounted and fixed for many times, the working efficiency of double-sided mounting of the PCB is improved, and popularization and application are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of fixing devices, in particular to a fixing device for an SMT mounting machine. Background Art

[0002] SMT is surface assembly technology, also known as surface mount or surface mounting technology. A placement machine is a device that accurately places surface mount components on PCB pads by moving the placement head.

[0003] The prior art discloses a fixing device for an SMT placement machine with an application number of 202020263583.8, comprising a fixed body, a movable groove, an extension column, a PCB board clamp, a support column, a telescopic column, a movable body and a movable drive motor, wherein the top surface of the fixed body is provided with two parallel movable grooves, the side surface of the fixed body is fixedly mounted with the movable drive motor, the movable drive motor is driven and connected with a movable drive lead screw arranged inside the movable groove, the movable drive lead screw is driven and mounted with a movable body extension block, the movable body is fixedly mounted on the movable body extension block, the inner side surface of the movable body is fixedly mounted with the extension column, the extension column is a cylindrical column, and the telescopic column is inserted into the cylindrical column. The beneficial effect is that the utility model realizes the clamping and fixing of PCB boards of different sizes by placing the support column and the telescopic clamping of the clamp, and controls the clamping force by the feedback of the pressure sensor to avoid damage to the PCB board. Since some PCB boards need to be mounted on both sides of the board, the existing technology still has the problem that when mounting on both sides of the PCB board, there is no PCB board flipping function. The PCB board can only be mounted on one side first, and then the PCB board is taken out from the clamping mechanism and turned over, and then the PCB board is fixed again. It needs to be disassembled and fixed multiple times, which affects the work efficiency of the double-sided mounting of the PCB board. For this reason, we propose a fixing device for SMT placement machine to solve the above problem. Utility Model Content

[0004] In view of the shortcomings existing in the above problems, the utility model provides a fixing device for an SMT placement machine, which can facilitate double-sided placement of a PCB board without the need to disassemble and fix the PCB board multiple times, thereby improving the work efficiency of double-sided placement of the PCB board.

[0005] In order to solve the above problems, the technical solution provided by the utility model is as follows:

[0006] A fixing device for an SMT placement machine comprises a base plate and a PCB board clamping mechanism, wherein the PCB board clamping mechanism comprises a left-side clamping mechanism for a PCB board and a right-side clamping mechanism for a PCB board, a first vertical plate is fixedly installed on the upper left end of the base plate, a telescopic cylinder is installed on the right side of the first vertical plate, an output end of the telescopic cylinder is fixedly connected to a movable mounting frame, the movable mounting frame is slidably connected to the base plate left and right, a flip motor is installed on the movable mounting frame, an output end of the flip motor is fixedly connected to the left-side clamping mechanism for the PCB board, the left-side clamping mechanism for the PCB board is rotatably connected to the movable mounting frame, a second vertical plate is fixedly installed on the upper right end of the base plate, a fixed mounting frame is fixedly installed on the upper end of the base plate, a connecting rod is fixedly connected between the fixed mounting frame and the second vertical plate, the right-side clamping mechanism for the PCB board is installed on the left side of the fixed mounting frame, and the right-side clamping mechanism for the PCB board is rotatably connected to the fixed mounting frame.

[0007] Furthermore, the left side clamping mechanism of the PCB board includes a first vertical plate, a first fixed clamping plate, a first movable clamping plate and a first turntable, the first turntable is fixedly installed on the left side of the first vertical plate, the output end of the flip motor is fixedly connected to the first turntable, and the first turntable is rotatably connected to the movable mounting frame, and the right side clamping mechanism of the PCB board includes a second vertical plate, a second fixed clamping plate, a second movable clamping plate and a second turntable, the second turntable is fixedly installed on the right side of the second vertical plate, and the second turntable is rotatably connected to the fixed mounting frame.

[0008] Furthermore, a guide frame is arranged between the movable mounting frame and the fixed mounting frame, and the guide frame includes a connecting frame and a sliding rod. The connecting frame is fixedly arranged on the right side of the movable mounting frame, and the sliding rod is fixedly arranged on the left side of the fixed mounting frame. A slot is opened in the connecting frame, and the sliding rod is inserted into the slot. The sliding rod is connected to the inner wall of the slot by sliding left and right.

[0009] Furthermore, a first mounting groove is provided on the first vertical plate, a first lead screw is installed in the first mounting groove, a first servo motor is installed below the first vertical plate, an output end of the first servo motor is fixedly connected to the lower end of the first lead screw, an upper end of the first lead screw is rotatably connected to the inner wall of the first mounting groove, a first movable seat is threadedly sleeved on the first lead screw, and the first movable clamping plate is fixedly installed on the right side of the first movable seat, a second mounting groove is provided on the second vertical plate, a second lead screw is installed in the second mounting groove, a second servo motor is installed below the second vertical plate, an output end of the second servo motor is fixedly connected to the lower end of the second lead screw, an upper end of the second lead screw is rotatably connected to the inner wall of the second mounting groove, a second movable seat is threadedly sleeved on the second lead screw, and the second movable clamping plate is fixedly installed on the left side of the second movable seat.

[0010] Furthermore, the first fixing clamping plate is arranged at the upper right end of the first vertical plate, and the second fixing clamping plate is arranged at the upper left end of the second vertical plate.

[0011] Furthermore, the surfaces of the first fixed clamping plate, the first movable clamping plate, the second fixed clamping plate and the second movable clamping plate on one side in contact with the PCB board are all provided with anti-slip stripes.

[0012] Furthermore, the number of the guide frames is two, and the two guide frames are symmetrically arranged on the front and rear sides of the PCB board clamping mechanism.

[0013] Compared with the prior art, the utility model has the following advantages:

[0014] 1. Fix the PCB board between the clamping mechanism on the left side of the PCB board and the clamping mechanism on the right side of the PCB board;

[0015] 2. Use the telescopic cylinder to push the movable mounting frame to move left and right on the bottom plate, and adjust the distance between the clamping mechanism on the left side of the PCB board and the clamping mechanism on the right side of the PCB board to adapt to the fixation of PCB boards of different sizes;

[0016] 3. The flip motor drives the left clamping mechanism of the PCB board to rotate, and then drives the PCB board fixed between the left clamping mechanism of the PCB board and the right clamping mechanism of the PCB board to rotate, which can facilitate double-sided mounting of the PCB board, and does not need to disassemble and fix the PCB board multiple times, thereby improving the work efficiency of double-sided mounting of the PCB board.

[0017] In summary, this type of fixing device for SMT placement machines has wide practicality, and can solve the problem raised in the above background technology. However, the prior art still has the problem that when double-sided mounting of PCB boards is performed, the PCB board has no flipping function, and can only be mounted on one side of the PCB board first, and then the PCB board is taken out from the clamping mechanism and turned over, and then the PCB board is fixed again, which requires multiple disassembly and fixation, affecting the mounting processing efficiency of the PCB board, and has wide promotion value. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the utility model;

[0019] Figure 2 It is a schematic diagram of the top view structure of the utility model;

[0020] Figure 3 It is a structural schematic diagram of the left side clamping mechanism of the PCB board of the utility model;

[0021] Figure 4 It is a structural schematic diagram of the clamping mechanism on the right side of the PCB board of the utility model;

[0022] Figure 5 It is a structural schematic diagram of the guide frame of the utility model.

[0023] Description of main component symbols:

[0024] 1-bottom plate, 2-first vertical plate, 3-second vertical plate, 4-clamping mechanism on the left side of PCB board, 401-first vertical plate, 40101-first mounting groove, 402-first fixed clamping plate, 403-first movable clamping plate, 404-first turntable, 405-first servo motor, 406-first lead screw, 407-first movable seat, 5-clamping mechanism on the right side of PCB board, 501-second vertical plate, 50101-second mounting groove, 502-second fixed clamping plate, 503-second movable clamping plate, 504-second turntable, 505-second servo motor, 506-second lead screw, 507-second movable seat, 6-movable mounting frame, 7-fixed mounting frame, 8-telescopic cylinder, 9-connecting rod, 10-connecting frame, 1001-slot, 11-sliding rod, 12-flip motor. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solutions and advantages of the utility model more clearly understood, the utility model is further described in detail below with reference to the accompanying drawings and examples, but the examples are not intended to limit the utility model.

[0026] like Figure 1-5As shown, an embodiment of the utility model includes a base plate 1 and a PCB board clamping mechanism, and the PCB board is fixed by the PCB board clamping mechanism. The PCB board clamping mechanism includes a PCB board left clamping mechanism 4 and a PCB board right clamping mechanism 5, and the PCB board is fixed between the PCB board left clamping mechanism 4 and the PCB board right clamping mechanism 5.

[0027] A first vertical plate 2 is fixedly installed on the upper left end of the base plate 1, a telescopic cylinder 8 is installed on the right side of the first vertical plate 2, the output end of the telescopic cylinder 8 is fixedly connected to a movable mounting frame 6, the movable mounting frame 6 is connected to the base plate 1 for left and right sliding, a fixed mounting frame 7 is fixedly installed on the upper end of the base plate 1, a connecting rod 9 is fixedly connected between the fixed mounting frame 7 and the second vertical plate 3, the movable mounting frame 6 is pushed to move left and right on the base plate 1 by the telescopic cylinder 8, and the distance between the left clamping mechanism 4 of the PCB board and the right clamping mechanism 5 of the PCB board is adjusted to adapt to the fixation of PCB boards of different sizes.

[0028] A guide frame is arranged between the movable mounting frame 6 and the fixed mounting frame 7. There are two guide frames, which are symmetrically arranged on the front and rear sides of the PCB board clamping mechanism. The guide frame includes a connecting frame 10 and a sliding rod 11. The connecting frame 10 is fixedly arranged on the right side of the movable mounting frame 6, and the sliding rod 11 is fixedly arranged on the left side of the fixed mounting frame 7. A slot 1001 is opened in the connecting frame 10, and the sliding rod 11 is inserted into the slot 1001. The sliding rod 11 is connected to the inner wall of the slot 1001 by sliding left and right.

[0029] A flip motor 12 is installed on the movable mounting frame 6, and the output end of the flip motor 12 is fixedly connected to the left clamping mechanism 4 of the PCB board, and the left clamping mechanism 4 of the PCB board is rotatably connected to the movable mounting frame 6. The second vertical plate 3 is fixedly installed on the upper right end of the bottom plate 1, and the right clamping mechanism 5 of the PCB board is installed on the left side of the fixed mounting frame 7. The right clamping mechanism 5 of the PCB board is rotatably connected to the fixed mounting frame 7. The left clamping mechanism 4 of the PCB board includes a first vertical plate 401, a first fixed clamping plate 402, a first movable clamping plate 403 and a first turntable 404. The first fixed clamping plate 402 is arranged at the upper right end of the first vertical plate 401, and the first turntable 404 is fixedly installed on the left side of the first vertical plate 401. The output end of the flip motor 12 is fixed to the first turntable 404 The first turntable 404 is rotatably connected with the movable mounting frame 6, the right side clamping mechanism 5 of the PCB board includes a second vertical plate 501, a second fixed clamping plate 502, a second movable clamping plate 503 and a second turntable 504, the second fixed clamping plate 502 is arranged at the upper left end of the second vertical plate 501, the second turntable 504 is fixedly installed on the right side of the second vertical plate 501, and the second turntable 504 is rotatably connected with the fixed mounting frame 7, and the left side clamping mechanism 4 of the PCB board is driven to rotate by the flip motor 12, thereby driving the PCB board fixed between the left side clamping mechanism 4 of the PCB board and the right side clamping mechanism 5 of the PCB board to rotate, which can facilitate double-sided mounting of the PCB board, and there is no need to disassemble and fix the PCB board multiple times, thereby improving the work efficiency of double-sided mounting of the PCB board.

[0030] A first mounting groove 40101 is provided on the first vertical plate 401, a first lead screw 406 is installed in the first mounting groove 40101, a first servo motor 405 is installed below the first vertical plate 401, an output end of the first servo motor 405 is fixedly connected to the lower end of the first lead screw 406, an upper end of the first lead screw 406 is rotatably connected to the inner wall of the first mounting groove 40101, a first moving seat 407 is threadedly sleeved on the first lead screw 406, a first moving clamping plate 407 is fixedly installed on the right side of the first moving seat 407, a second mounting groove 50101 is provided on the second vertical plate 501, a second lead screw 506 is installed in the second mounting groove 50101, a second servo motor 505 is installed below the second vertical plate 501, an output end of the second servo motor 505 is fixedly connected to the lower end of the second lead screw 506, an upper end of the second lead screw 506 is rotatably connected to the inner wall of the second mounting groove 50101, a second lead screw 506 is threadedly sleeved on the second lead screw 506 The movable seat 507 and the second movable clamping plate 503 are fixedly installed on the left side of the second movable seat 507. The first servo motor 405 drives the first screw 406 to rotate, and then the first movable seat 407 can be driven to move linearly up and down along the first screw 406 to adjust the distance between the first movable clamping plate 403 and the first fixed clamping plate 402. By moving the first movable clamping plate 403, a force is applied to the left end of the PCB board to fix the left end of the PCB board between the first fixed clamping plate 402 and the first movable clamping plate 403. The second servo motor 505 drives the second screw 506 to rotate, and then the second movable seat 507 can be driven to move linearly up and down along the second screw 506 to adjust the distance between the second movable clamping plate 503 and the second fixed clamping plate 502. By moving the second movable clamping plate 503, a force is applied to the right end of the PCB board to fix the right end of the PCB board between the second fixed clamping plate 502 and the second movable clamping plate 503.

[0031] The surfaces of the first fixed clamping plate 402, the first movable clamping plate 403, the second fixed clamping plate 502 and the second movable clamping plate 503 that contact the PCB board are all provided with anti-slip stripes, which can improve the stability of the PCB board fixing and make the PCB board more stable when flipped and not easy to fall off.

[0032] Among them, the telescopic cylinder 8, the flip motor 12, the first servo motor 405 and the second servo motor 505 are all conventional devices in this field, and the electrical components appearing in the text are all electrically connected to the external main controller and power supply, and the main controller can be a conventional known device for control such as a computer.

[0033] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A fixing device for an SMT placement machine, comprising a base plate (1) and a PCB board clamping mechanism, wherein the PCB board clamping mechanism comprises a PCB board left clamping mechanism (4) and a PCB board right clamping mechanism (5), characterized in that: A first vertical plate (2) is fixedly mounted on the upper left end of the bottom plate (1); a telescopic cylinder (8) is mounted on the right side of the first vertical plate (2); an output end of the telescopic cylinder (8) is fixedly connected to a movable mounting frame (6); the movable mounting frame (6) is slidably connected to the bottom plate (1) left and right; a flip motor (12) is mounted on the movable mounting frame (6); an output end of the flip motor (12) is fixedly connected to a left clamping mechanism (4) of the PCB board; the left clamping mechanism (4) of the PCB board is rotatably connected to the movable mounting frame (6); a second vertical plate (3) is fixedly mounted on the upper right end of the bottom plate (1); a fixed mounting frame (7) is fixedly mounted on the upper end of the bottom plate (1); a connecting rod (9) is fixedly connected between the fixed mounting frame (7) and the second vertical plate (3); the right clamping mechanism (5) of the PCB board is mounted on the left side of the fixed mounting frame (7); the right clamping mechanism (5) of the PCB board is rotatably connected to the fixed mounting frame (7).

2. A fixing device for an SMT placement machine as claimed in claim 1, characterized in that: The PCB board left side clamping mechanism (4) comprises a first vertical plate (401), a first fixed clamping plate (402), a first movable clamping plate (403) and a first rotating disk (404); the first rotating disk (404) is fixedly mounted on the left side of the first vertical plate (401); the output end of the flip motor (12) is fixedly connected to the first rotating disk (404); the first rotating disk (404) is rotationally connected to the movable mounting frame (6); the PCB board right side clamping mechanism (5) comprises a second vertical plate (501), a second fixed clamping plate (502), a second movable clamping plate (503) and a second rotating disk (504); the second rotating disk (504) is fixedly mounted on the right side of the second vertical plate (501); the second rotating disk (504) is rotationally connected to the fixed mounting frame (7).

3. A fixing device for an SMT placement machine as claimed in claim 2, characterized in that: A guide frame is arranged between the movable mounting frame (6) and the fixed mounting frame (7), and the guide frame comprises a connecting frame (10) and a sliding rod (11); the connecting frame (10) is fixedly arranged on the right side of the movable mounting frame (6), and the sliding rod (11) is fixedly arranged on the left side of the fixed mounting frame (7); a slot (1001) is provided in the connecting frame (10), and the sliding rod (11) is inserted into the slot (1001); the sliding rod (11) is connected to the inner wall of the slot (1001) by sliding left and right.

4. A fixing device for an SMT placement machine as claimed in claim 3, characterized in that: The first vertical plate (401) is provided with a first installation groove (40101), a first lead screw (406) is installed in the first installation groove (40101), a first servo motor (405) is installed below the first vertical plate (401), an output end of the first servo motor (405) is fixedly connected to the lower end of the first lead screw (406), an upper end of the first lead screw (406) is rotatably connected to the inner wall of the first installation groove (40101), a first movable seat (407) is threadedly sleeved on the first lead screw (406), and the first movable clamping plate (403) is fixedly installed on the right side of the first movable seat (407), A second mounting groove (50101) is provided on the second vertical plate (501), a second lead screw (506) is installed in the second mounting groove (50101), a second servo motor (505) is installed below the second vertical plate (501), an output end of the second servo motor (505) is fixedly connected to the lower end of the second lead screw (506), an upper end of the second lead screw (506) is rotatably connected to the inner wall of the second mounting groove (50101), a second movable seat (507) is threadedly sleeved on the second lead screw (506), and the second movable clamping plate (503) is fixedly installed on the left side of the second movable seat (507).

5. A fixing device for an SMT placement machine as claimed in claim 4, characterized in that: The first fixing clamping plate (402) is arranged at the upper right end of the first vertical plate (401), and the second fixing clamping plate (502) is arranged at the upper left end of the second vertical plate (501).

6. A fixing device for an SMT placement machine as claimed in claim 5, characterized in that: The surfaces of the first fixed clamping plate (402), the first movable clamping plate (403), the second fixed clamping plate (502) and the second movable clamping plate (503) on one side in contact with the PCB board are all provided with anti-slip stripes.

7. A fixing device for an SMT placement machine as claimed in claim 6, characterized in that: The number of the guide frames is two, and the two guide frames are symmetrically arranged on the front and rear sides of the PCB board clamping mechanism.

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