Edge clamping mechanism of SMT chip mounter

Abstract

The utility model belongs to the technical field of chip mounter edge clamping mechanisms, and particularly relates to an SMT chip mounter edge clamping mechanism comprising a first baffle plate, a second baffle plate is correspondingly installed on the right side of the first baffle plate, and screw rods are rotatably installed on the inner side walls of the first baffle plate and the second baffle plate. Rotating motors are installed on the outer side walls of the first baffle and the second baffle correspondingly, the lead screw penetrates through the first baffle and the second baffle to be correspondingly connected with the rotating motors, a sliding block is installed on the lead screw in a sliding mode, a locking pin is installed at the top end of the sliding block, and a clamping frame is installed at the top end of the locking pin; the device comprises a clamping frame, running wheels are evenly distributed on the top face and the bottom face of an inner cavity of the clamping frame, the clamping frame comprises an upper pressing frame, a lower pressing frame and a lifter, a plate clamping device is installed at the upper end of the side wall of the middle of the lower pressing frame, a cross rod is installed between a first baffle and a second baffle, and even holes are formed in the side wall of the cross rod. The use is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of edge clamping mechanisms of chip mounters, in particular to an edge clamping mechanism for an SMT chip mounter. Background Art

[0002] SMT patch refers to the abbreviation of a series of process flows based on PCB. PCB is printed circuit board, and SMT is surface mount technology (surface mount technology). It is the most popular technology and process in the electronic assembly industry. In the above-mentioned process of patch processing on PCB circuit boards, in order to prevent the circuit boards from shifting, it is necessary to use a clamp to temporarily fix the circuit boards for the convenience of staff operation.

[0003] At present, the existing SMT patch production fixtures on the market have the following shortcomings during use: inconvenient operation, complex structure, manual placement and removal of each one, which is time-consuming and laborious, and it is inconvenient to clamp circuit boards of different widths and sizes, and constant adjustment is required. For this reason, we propose an SMT patch machine edge clamping mechanism. Utility Model Content

[0004] The utility model aims to provide an edge clamping mechanism for an SMT placement machine, so as to solve the problem in the above background technology that each placement and removal needs to be done manually and the clamping of circuit boards of different widths is inconvenient.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an edge clamping mechanism of an SMT placement machine, comprising a first baffle, a second baffle being installed correspondingly on the right side of the first baffle, screw rods being rotatably installed on the inner side walls of the first baffle and the second baffle, rotating motors being installed on the outer side walls of the first baffle and the second baffle, the screw rods passing through the first baffle and the second baffle and correspondingly connected to the rotating motor, a slider being slidably installed on the screw rod, a locking pin being installed on the top of the slider, a clamping frame being installed on the top of the locking pin, running wheels being evenly installed on the top and bottom surfaces of the inner cavity of the clamping frame, the clamping frame comprising: an upper pressing frame, a lower pressing frame and a lifter, a clamping device being installed on the upper end of the middle side wall of the lower pressing frame.

[0006] Preferably, a cross bar is installed between the first baffle plate and the second baffle plate, and uniform holes are opened on the side wall of the cross bar, and the holes correspond to the locking pins. The screws on the first baffle plate and the second baffle plate are installed for reverse rotation.

[0007] Preferably, the upper pressing frame and the lower pressing frame are L-shaped in both directions, the upper pressing frame is slidably installed in the inner cavity of the lower pressing frame, and the lifter is installed between the upper pressing frame and the lower pressing frame.

[0008] Preferably, the lifter comprises: a hydraulic strut and a buffer spring, wherein a thread is provided on the side wall of the bottom end of the hydraulic strut, a rotating block is spirally mounted on the thread, and the buffer spring is mounted between the telescopic end of the hydraulic strut and the rotating block.

[0009] Preferably, the running wheel includes: a driving motor, a driving shaft and a pulley on left and right sides, the driving shaft is connected to the output shaft of the driving motor, the driving shaft is rotatably fixedly mounted on the side wall of the pulley, the pulley is made of soft rubber, and the running wheel is installed correspondingly up and down.

[0010] Preferably, the clamping device comprises: an extension rod, a mounting head, a rotating motor and a clamping plate, wherein the rotating motor is fixedly mounted on the extending end of the extension rod, the mounting head is rotatably mounted on the rotating motor, and the clamping plate is fixedly mounted on the side wall of the mounting head.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1) The device is provided with a screw rod and a slider. The screw rods on the first baffle plate and the second baffle plate are installed to rotate in opposite directions. The slider drives the clamping frame to move, and the width between the clamping frames can be adjusted to cope with panels of different sizes. The device has a simple structure and is easy to use.

[0013] 2) The device is provided with an upper pressing frame, a lower pressing frame and a lifter. Running wheels are installed on the upper pressing frame and the lower pressing frame. The running wheels are installed correspondingly up and down. When the pulleys contact the circuit board, the upper and lower pulleys form a clamping force to clamp the circuit board. The driving motor drives the driving shaft to rotate, and the driving shaft drives the pulley to rotate. The rotation of the pulley can drive the circuit board to move forward, and there is no need for manual placement and removal.

[0014] 3) The device is provided with an upper pressing frame, a lower pressing frame and a lifter. The lifter includes a hydraulic support rod and a buffer spring. When the upper pressing frame drives the running wheel to descend to clamp the circuit board, the buffer spring prevents damage caused by excessive clamping force. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the clamping frame of the utility model;

[0017] Figure 3 This is a schematic diagram of the installation of the splint device of the utility model;

[0018] Figure 4 This is a schematic diagram of the running wheel structure of the utility model;

[0019] Figure 5 This is a schematic diagram of the structure of the lifter of the utility model;

[0020] Figure 6 This is a schematic diagram of the structure of the lifter of the utility model.

[0021] In the figure: 1. first baffle; 2. second baffle; 3. rotating motor; 4. screw; 5. slider; 6. clamping frame; 7. running wheel; 8. cross bar; 9. hole; 10. locking pin; 11. lower pressure frame; 12. upper pressure frame; 13. lifter; 14. driving motor; 15. driving shaft; 16. pulley; 17. clamping device; 18. extension rod; 19. mounting head; 20. rotating motor; 21. clamping plate; 22. hydraulic support rod; 23. buffer spring; 24. thread; 25. rotating block. 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] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0024] See also Figure 1-6The utility model provides a technical solution: an edge clamping mechanism of an SMT placement machine, comprising a first baffle 1, a second baffle 2 is correspondingly installed on the right side of the first baffle 1, a screw rod 4 is rotatably installed on the inner side walls of the first baffle 1 and the second baffle 2, a rotating motor 3 is installed on the outer side walls of the first baffle 1 and the second baffle 2, the screw rod 4 penetrates the first baffle 1 and the second baffle 2 and is correspondingly connected to the rotating motor 3, the rotating motor 3 drives the screw rod 4 to rotate, the slider 5 can move on the screw rod 4, the screw rods 4 on the first baffle 1 and the second baffle 2 are installed in opposite directions, and the screw rods 4 on the first baffle 1 and the second baffle 2 are installed in opposite directions. The screw rod 4 rotates in the opposite direction, and the slider 5 can be moved toward the center or spread to both sides. The slider 5 is slidably installed on the screw rod 4, and a locking pin 10 is installed on the top of the slider 5. The locking pin 10 is a cylinder type locking pin. A clamping frame 6 is installed on the top and bottom surfaces of the inner cavity of the clamping frame 6. Running wheels 7 are evenly installed. The running wheels 7 are installed accordingly and can clamp the circuit board and transmit it forward. The clamping frame 6 includes: an upper pressing frame 12, a lower pressing frame 11 and a lifter 13. A clamping device 17 is installed on the upper end of the middle side wall of the lower pressing frame 11. The clamping device 17 is located at the upper end of the running wheel 7, and the clamping device 17 fixes the circuit board.

[0025] Among them, a cross bar 8 is installed between the first baffle plate 1 and the second baffle plate 2, and uniform holes 9 are opened on the side walls of the cross bar 8, and the holes 9 correspond to the locking pins 10. After reaching the appropriate position, the locking pins 10 extend out and insert into the inner cavity of the holes 9, which can prevent the slider 5 from deflecting and keep the position more stable. The screw rods 4 on the first baffle plate 1 and the second baffle plate 2 are installed to rotate in opposite directions, and the screw rods 4 on the first baffle plate 1 and the second baffle plate 2 rotate in opposite directions. The slider 5 can be moved toward the center or spread to both sides. The upper pressing frame 12 and the lower pressing frame 11 are positive and negative L-shaped, and the positive and negative L-shaped can form an open frame. The upper pressing frame 12 is slidably installed in the inner cavity of the lower pressing frame 11, and the lifter 13 is installed between the upper pressing frame 12 and the lower pressing frame 11. The upper pressing frame 12 and the lower pressing frame 11 can be extended or shortened by matching, which is convenient for dealing with circuit boards of different thicknesses.

[0026] The lifter 13 includes: a hydraulic strut 22 and a buffer spring 23. A thread 24 is provided on the side wall of the bottom end of the hydraulic strut 22. A rotating block 25 is spirally installed on the thread 24. The buffer spring 23 is installed between the telescopic end of the hydraulic strut 22 and the rotating block 25. The rotating block 25 can be adjusted up and down on the thread. One end of the buffer spring 23 is fixedly installed on the telescopic end of the hydraulic strut 22. The buffer force of the buffer spring 23 can be changed by adjusting the up and down position of the rotating block 25.

[0027] The running wheel 7 includes: a driving motor 14 on the left and right sides, a driving shaft 15 and a pulley 16. The driving shaft 15 is connected to the output shaft of the driving motor 14. The driving shaft 15 is rotatably fixed on the side wall of the pulley 16. The pulley 16 is made of soft rubber. The running wheel 7 is installed correspondingly up and down. When the pulley 16 contacts the circuit board, the upper and lower pulleys 16 form a clamping force to clamp the circuit board. The driving motor 14 drives the driving shaft 15 to rotate, and the driving shaft 15 drives the pulley 16 to rotate. The rotation of the pulley 16 can drive the circuit board to move forward. The soft rubber material can protect the circuit board. The clamping device 17 includes: an extension rod 18, a mounting head 19, a rotating motor 20 and a clamping plate 21. The rotating motor 20 is fixedly mounted on the extending end of the extension rod 18, and the mounting head 19 is rotatably mounted on the rotating motor 20. The clamping plate 21 is fixedly mounted on the side wall of the mounting head 19. When the running wheel 7 drives the circuit board to the specified position, the upper pressing frame 12 rises, the extension rod 18 extends out, the rotating motor 20 drives the mounting head 19 to a suitable angle, and the clamping plate 21 clamps the circuit board.

[0028] Working principle: The device is provided with a screw rod 4 and a rotating motor 3. The rotating motor 3 drives the screw rod 4 to rotate, and the slider 5 can move on the screw rod 4. The screw rods 4 on the first baffle 1 and the second baffle 2 are installed to rotate in the opposite direction. The screw rods 4 on the first baffle 1 and the second baffle 2 rotate in the opposite direction. The slider 5 can move toward the center or open to both sides, which can cope with circuit boards of different widths. The upper pressing frame 12 and the lower pressing frame 11 are positive and negative L-shaped. The upper pressing frame 12 is slidably installed in the inner cavity of the lower pressing frame 11. The lifter 13 is installed between the upper pressing frame 12 and the lower pressing frame 11. The upper pressing frame 12 and the lower pressing frame 11 can be extended or shortened by matching, which is convenient for dealing with circuit boards of different thicknesses. The lifter 13 includes: a hydraulic support rod 22 and a buffer spring 23. When the upper pressing frame 12 drives the running wheel 7 to descend to clamp the circuit board, the buffer spring 2 3 To prevent damage caused by excessive clamping force, the clamping device 17 includes: an extension rod 18, a mounting head 19, a rotating motor 20 and a clamping plate 21. The rotating motor 20 is fixedly mounted on the extended end of the extension rod 18, the mounting head 19 is rotatably mounted on the rotating motor 20, and the clamping plate 21 is fixedly mounted on the side wall of the mounting head 19. When the running wheel 7 drives the circuit board to the specified position, the upper pressing frame 12 rises, the extension rod 18 extends, the rotating motor 20 drives the mounting head 19 to a suitable angle, and the clamping plate 21 clamps the circuit board and can shake stably. The running wheel 7 is installed correspondingly up and down. When the pulley 16 contacts the circuit board, the upper and lower pulleys 16 form a clamping force to clamp the circuit board. The driving motor 14 drives the driving shaft 15 to rotate, and the driving shaft 15 drives the pulley 16 to rotate. The rotation of the pulley 16 can drive the circuit board to move forward.

[0029] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be implemented in other specific forms without departing from the spirit or basic features of the utility model; therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description. Therefore, it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the utility model, and any figure marks in the claims should not be regarded as limiting the claims involved.

[0030] 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 clamping mechanism for an SMT placement machine, comprising a first baffle (1), characterized in that: A second baffle (2) is installed on the right side of the first baffle (1) in correspondence, a screw rod (4) is rotatably installed on the inner side walls of the first baffle (1) and the second baffle (2), a rotating motor (3) is installed on the outer side walls of the first baffle (1) and the second baffle (2), the screw rod (4) passes through the first baffle (1) and the second baffle (2) and is correspondingly connected to the rotating motor (3), a slider (5) is slidably installed on the screw rod (4), a locking pin (10) is installed at the top end of the slider (5), a clamping frame (6) is installed at the top end of the locking pin (10), running wheels (7) are evenly installed on the top and bottom surfaces of the inner cavity of the clamping frame (6), and the clamping frame (6) includes: an upper pressing frame (12), a lower pressing frame (11) and a lifter (13), and a clamping device (17) is installed at the upper end of the middle side wall of the lower pressing frame (11).

2. The edge clamping mechanism of an SMT placement machine according to claim 1, characterized in that: A cross bar (8) is installed between the first baffle plate (1) and the second baffle plate (2), and a side wall of the cross bar (8) is provided with uniform holes (9), the holes (9) corresponding to the locking pins (10), and the screw rods (4) on the first baffle plate (1) and the second baffle plate (2) are installed to rotate in opposite directions.

3. The edge clamping mechanism of an SMT placement machine according to claim 1, characterized in that: The upper pressing frame (12) and the lower pressing frame (11) are L-shaped in both directions. The upper pressing frame (12) is slidably mounted in the inner cavity of the lower pressing frame (11), and the lifter (13) is mounted between the upper pressing frame (12) and the lower pressing frame (11).

4. The edge clamping mechanism of an SMT placement machine according to claim 1, characterized in that: The lifter (13) comprises: a hydraulic support rod (22) and a buffer spring (23); a thread (24) is provided on the side wall of the bottom end of the hydraulic support rod (22); a rotating block (25) is spirally mounted on the thread (24); and the buffer spring (23) is mounted between the telescopic end of the hydraulic support rod (22) and the rotating block (25).

5. The edge clamping mechanism of an SMT placement machine according to claim 1, characterized in that: The running wheel (7) comprises: a driving motor (14) on the left and right sides, a driving shaft (15) and a pulley (16); the driving shaft (15) is connected to the output shaft of the driving motor (14); the driving shaft (15) is rotatably fixedly mounted on the side wall of the pulley (16); the pulley (16) is made of soft rubber material; and the running wheel (7) is mounted correspondingly up and down.

6. The edge clamping mechanism of an SMT placement machine according to claim 1, characterized in that: The clamping device (17) comprises: an extension rod (18), a mounting head (19), a rotating motor (20) and a clamping plate (21); the rotating motor (20) is fixedly mounted on the extending end of the extension rod (18); the mounting head (19) is rotatably mounted on the rotating motor (20); and the clamping plate (21) is fixedly mounted on the side wall of the mounting head (19).

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