PCB placing device

Abstract

The utility model provides a PCB (Printed Circuit Board) placing device, which comprises a tray for carrying a PCB; the first jacking mechanism is used for controlling the tray to ascend and descend; the adjusting mechanism is mounted above the first jacking mechanism and used for adjusting the position of the tray; the adjusting mechanism comprises a second rack and an adjusting power device, the second rack is installed on the first rack bearing the tray, the adjusting power device is installed on the second rack, the adjusting power device is used for adjusting the position of the tray, and the adjusting power device is arranged in the extending direction of the first rack. By installing the adjusting mechanism, after the first jacking mechanism jacks the tray upwards, the adjusting power is installed in the transmission direction, the position of the tray in the width direction is fixed and limited by the first rack, the position of the supporting plate in the conveying direction is adjusted through the adjusting power, and therefore the position of the supporting plate between the PCBs is finely adjusted; the position of the PCB is accurate after the PCB is placed on the tray, and the cutting precision is higher in the follow-up cutting process.

Description

Technical Field

[0001] The utility model belongs to the technical field of PCB board production, and in particular relates to a PCB board placement device. Background Art

[0002] For the sake of efficiency, PCB boards are usually produced together in batches. After production, they are separated into independent PCB boards. Traditionally, manual separation is done, but manual separation is inefficient. Currently, machines are used to cut PCB boards, but they also need to be manually placed under the cutting machine, which also requires a worker. This placement is inefficient and costly, and hands are prone to static electricity, which may damage the performance of the PCB board after handling it.

[0003] CN209493038U discloses a PCB placement machine that transfers PCBs to a cutting machine by suction and then transfer. After the processing jig is lifted, its position relative to the transfer direction may change. When the loading mechanism places the PCB on the processing jig, the position may change, causing the subsequent cutting position to deviate from the standard, resulting in unqualified PCBs after cutting. Utility Model Content

[0004] In view of the above-mentioned shortcomings of the prior art, the purpose of the present invention is to provide a PCB board placement device for solving the problems of deviation in the placement position of the PCB board in the prior art, resulting in subsequent production failures.

[0005] To achieve the above-mentioned and other related purposes, the present invention provides a PCB board placement device, comprising:

[0006] Tray, used to carry PCB boards;

[0007] a first lifting mechanism, used to control the lifting and lowering of the tray;

[0008] An adjusting mechanism is installed above the first lifting mechanism and is used to adjust the position of the pallet; the adjusting mechanism includes a second frame and an adjusting power, the second frame is installed on the first frame carrying the pallet, and the adjusting power is installed on the second frame. The adjusting power is used to adjust the position of the pallet, and the adjusting power is arranged along the extension direction of the first frame.

[0009] Furthermore, the second frame is provided with a pressing member along the width direction of the first frame for pressing the tray.

[0010] Furthermore, the PCB board placement device also includes a suction mechanism, which includes a suction plate and several suction heads arranged on the suction plate. A sensor is provided on the first lifting mechanism, and a sensing block is provided on the suction plate. The sensor is used to sense the sensing block.

[0011] Furthermore, two sensing blocks are provided on the suction plate, and the two sensing blocks are respectively provided on both sides of the suction plate along the width direction of the first transmission frame, and the other two sensing blocks are staggered.

[0012] Furthermore, a camera is installed on the second rack for detecting the placement position of the PCB board.

[0013] Furthermore, the PCB board placement device also includes a moving mechanism, the suction mechanism is installed on the moving mechanism, the moving mechanism is used to move the suction mechanism, and limit blocks are provided at both ends of the moving mechanism, and the limit blocks are used to limit the suction mechanism.

[0014] Furthermore, buffer members are provided at both ends of the moving mechanism, and the buffer members are used to buffer the movement of the suction mechanism.

[0015] Furthermore, the PCB board placement device also includes a second jacking mechanism for moving the PCB board upward, the second jacking mechanism includes a second jacking power and a second support plate connected to the movable end of the second jacking power, and the PCB board is placed on the second support plate.

[0016] Furthermore, a positioning plate is provided at the edge of the second support plate, an opening is provided at the bottom of the second support plate, and a blowing member is installed at the bottom of the opening for blowing air to the PCB board placed at the bottom of the second support plate.

[0017] Furthermore, the first lifting mechanism includes a first lifting power and a first support plate installed at the movable end of the first lifting power, a positioning block is provided on the side of the pallet close to the first support plate, and a positioning groove is provided on the first support plate corresponding to the positioning block. A blocking mechanism is also provided on the side of the first lifting mechanism for blocking the pallet, and the blocking mechanism includes a blocking power and a blocking block connected to the movable end of the blocking power, and the blocking power is used to control the lifting and lowering of the blocking block.

[0018] As described above, the utility model has the following beneficial effects: the application installs an adjustment mechanism above the first lifting mechanism. When the first lifting mechanism pushes the pallet upward, the adjustment power is installed in the transmission direction. The width position of the pallet is fixed and limited by the first frame. The position of the pallet in the transmission direction is adjusted by adjusting the power, so that the position of the pallet is fine-tuned before the PCB board is placed, so that the position of the PCB board is accurate after being placed on the pallet, and the cutting accuracy is higher in the subsequent cutting process. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the structure of the PCB board placement device provided by the utility model;

[0020] Figure 2 Schematic diagram of the structure of the first jacking mechanism Figure 1 ;

[0021] Figure 3 Schematic diagram of the structure of the first jacking mechanism Figure 2 ;

[0022] Figure 4 Schematic diagram of the structure of the second jacking mechanism;

[0023] Figure 5 Schematic diagram of the structure of the pallet;

[0024] Figure 6 It is a structural diagram of the moving mechanism and the suction mechanism;

[0025] Figure 7 for Figure 6 A magnified view of the middle panel.

[0026] Part Number Description

[0027] 10-tray, 101-positioning block, 20-first lifting mechanism, 201-first lifting power, 202-first support plate, 203-positioning groove, 204-blocking power, 205-blocking block, 206-sensor, 30-transmission mechanism, 301-transmission power, 302-driving wheel, 303-driven wheel, 304-belt, 305-chute, 40-adjustment mechanism, 401-second frame, 402-adjustment power, 403-pressing member, 404-camera, 50-material rack mechanism, 5 01-second lifting power, 502-second support plate, 503-positioning plate, 504-opening, 505-blowing part, 506-base, 507-lifting shaft, 508-lifting plate, 509-connecting rod, 60-suction mechanism, 601-suction plate, 602-suction head, 603-sensing block, 70-moving mechanism, 701-first slide, 702-second slide, 703-limit block, 704-buffer, 705-limit column, 80-workbench, 801-first frame, 90-PCB board. DETAILED DESCRIPTION

[0028] The following describes the implementation of the present invention through specific embodiments. People familiar with this technology can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0029] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for understanding and reading by those familiar with this technology, and are not used to limit the conditions for implementation of the present invention. Therefore, they have no substantial technical significance. Any modification of the structure, change in the proportional relationship, or adjustment of the size should still fall within the scope of the technical content disclosed in the present invention without affecting the efficacy and purpose of the present invention. At the same time, terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description and are not used to limit the scope of implementation of the present invention. Changes or adjustments in their relative relationships should also be considered as the scope of implementation of the present invention without substantially changing the technical content.

[0030] In order to describe the present invention in detail, first, the PCB board placement device of the present invention is specifically described below.

[0031] like Figures 1 to 7As shown, the present application discloses a PCB board placement device, including a workbench 80 and a first frame 801 mounted on the workbench 80, a conveying mechanism 30, a first lifting mechanism 20, a rack mechanism 50, a suction mechanism 60, a moving mechanism 70, and an adjustment mechanism 40. The tray 10 is used to support the PCB board 90, the first lifting mechanism 20 is used to control the lifting and lowering of the tray 10, and the conveying mechanism 30 is used to convey the tray 10. The conveying mechanism 30 is mounted on the first frame 801, and the tray 10 is located on the conveying mechanism 30. The adjustment mechanism 40 is used to adjust the position of the tray 10, the rack mechanism 50 is mounted on the side of the conveying mechanism 30, the rack mechanism 50 is used to place the PCB board 90, the suction mechanism 60 is used to suck the PCB board 90, the suction mechanism 60 is mounted on the moving mechanism 70, and the moving mechanism 70 is used to move the suction mechanism 60.

[0032] A first frame 801 is mounted on the workbench 80, and a conveying mechanism 30 is mounted on the first frame 801. The tray 10 is placed on the conveying mechanism 30, and the PCB board 90 is placed on the tray 10 and then moved forward to below the cutting machine.

[0033] The extending direction of the first frame 801 is the conveying direction of the PCB board 90 . Conveying mechanisms 30 are installed on the inner walls on both sides of the first frame 801 . The conveying mechanisms 30 are used to convey the tray 10 .

[0034] The transmission mechanism 30 includes a transmission power 301, a driving wheel 302, a belt 304 and a driven wheel 303. The transmission power 301 is connected to the driving wheel 302. The belt 304 is wrapped around the driving and driven wheels 303, so that the belt 304 is tensioned. The tray 10 and the belt 304 are in contact and connected by friction. The movement of the belt 304 is driven by the friction to move the tray 10 together.

[0035] The inner wall of the first frame 801 is provided with a plurality of slide grooves 305 along the length direction of the first frame 801 , and a plurality of driven wheels 303 are installed in the slide grooves 305 , so that the position of the driven wheels 303 can be easily adjusted to tighten the belt 304 .

[0036] Among them, a first lifting mechanism 20 is installed on the workbench 80, and the first lifting mechanism 20 is used to lift the tray 10 upward and off the belt 304. During the process of placing the PCB board 90, if the tray 10 is still in contact with the belt 304, the tray 10 may slip, and the position of the PCB board 90 may be inaccurate after it is placed. Therefore, in this application, after the tray 10 is moved into place, the first lifting mechanism 20 is used to lift the tray 10 off the belt 304, so that when the PCB board 90 is placed on the tray 10, the tray 10 will not slip.

[0037] The first lifting mechanism 20 includes a first lifting power 201 and a first support plate 202 installed at the movable end of the first lifting power 201, and the fixed end of the first lifting power 201 is installed under the workbench 80. The first lifting power 201 can be a pneumatic cylinder, a hydraulic cylinder or an electric cylinder. A positioning block 101 is provided on the side of the pallet 10 close to the first support plate 202, and a positioning groove 203 is provided on the first support plate 202 corresponding to the positioning block 101. The positioning block 101 and the positioning groove 203 are both arranged along the width direction of the conveying mechanism 30, which not only positions the lateral position of the pallet 10, but also does not affect the installation of the adjustment mechanism 40. In this embodiment, two protrusions facing downward are respectively provided on both sides of the bottom of the pallet 10, and the protrusions are the positioning blocks 101.

[0038] A sensor 206 is provided on the first supporting plate 202 , and a through hole is provided at a position of the tray 10 corresponding to the sensor 206 , so that the sensor 206 can pass through the through hole for detection.

[0039] A blocking mechanism is further provided on the side of the first lifting mechanism 20 , and the blocking mechanism is installed on the side away from the incoming material along the conveying direction.

[0040] The blocking mechanism is used to block the pallet 10. It includes a blocking mechanism 204 and a blocking block 205 connected to the movable end of the blocking mechanism 204. The blocking mechanism 204 controls the raising and lowering of the blocking block 205. When the preceding pallet 10 moves away, the blocking mechanism 204 causes the blocking block 205 to rise. The following pallet 10, driven by the belt 304, advances into position. When the blocking block 205 blocks the pallet 10, it indicates that it has moved into position. The belt 304 stops rotating, and the first lifting mechanism 20 rises to push the pallet 10 upward. When the first lifting mechanism 20 rises, the blocking block 205 descends, preparing for the movement of the pallet 10.

[0041] After the first lifting mechanism 20 lifts the tray 10 upward, the position of the tray 10 may change slightly, so that the accuracy may decrease after the PCB board 90 is placed. Therefore, the present application installs an adjustment mechanism 40 above the first lifting mechanism 20 to adjust the position of the tray 10.

[0042] The adjustment mechanism 40 includes a second frame 401 and an adjustment power 402. The second frame 401 is mounted on the first frame 801, and the adjustment power 402 is mounted on the second frame 401. The adjustment power 402 is used to adjust the position of the tray 10 and is arranged along the extension direction of the first frame 801. The adjustment power 402 can adopt a servo telescopic motor. The servo telescopic motor is easy to control and has high precision. The servo telescopic motors on both sides adjust the tray 10. Two servo telescopic motors can be installed on each side to adjust the angle of the tray 10.

[0043] The second frame 401 is also equipped with clamping members 403. These members are located on both sides of the second frame 401 where the adjustment mechanism 402 is not installed. Specifically, the clamping members 403 are located below the second frame 401 along the width of the first frame 801. When the first lifting mechanism 20 lifts the pallet 10, the clamping members 403 clamp the pallet 10 to prevent it from bouncing. The side of the clamping member 403 closest to the pallet 10 can be disc-shaped to increase the contact area with the pallet.

[0044] A camera 404 is also installed on the second frame 401, and visual analysis is carried out by the camera 404 to facilitate the adjustment of the power 402. Two cameras 404 are installed on the second frame 401, which are installed on the opposite side of the mobile mechanism 70 and the opposite side of the rack mechanism 50 respectively.

[0045] A moving mechanism 70 is also provided on the workbench 80. The moving mechanism 70 includes a first slide 701 arranged crosswise with the first frame 801 and a second slide 702 movable along the vertical direction. The first slide 701 enables the suction mechanism 60 to move horizontally, moving the PCB board 90 at the material rack mechanism 50 to above the tray 10, and then the second slide 702 moves downward to place the PCB board 90 on the tray 10.

[0046] The suction mechanism in this embodiment is pneumatically controlled during lateral movement, so the suction mechanism 60 moves at a relatively high speed. To prevent the suction mechanism 60 from disengaging from the slide rail, stoppers 703 are provided at both ends of the horizontal first carriage 701 to prevent the suction mechanism 60 from sliding off the first carriage 701. To ensure that the suction mechanism 60 is effectively secured to the first carriage 701, grooves are provided at the upper and lower ends of the first carriage 701, into which the sliders of the second carriage 702 are effectively secured, and the suction mechanism 60 is mounted. A drag chain is provided on the first carriage 701, and the control lines, air pipes, etc. are located within the drag chain for effective protection.

[0047] During the lateral sliding process, the first slide 701 may overshoot due to inertia. Therefore, a buffer 704 is provided on the first slide 701 to cushion the movement of the suction mechanism 60. The buffer 704 is located inside the stop block 703 to prevent the second slide 702 from contacting the stop block 703 and causing rebound. The buffer 704 can be a damper or a spring.

[0048] Among them, a limiting column 705 is also installed on the limiting block 703. If the second slide 702 slides too much, it can make a small area of contact with the limiting column 705 to prevent the second slide 702 from colliding with the limiting block 703 over a large area, causing damage to the second slide 702.

[0049] The suction mechanism 60 is mounted on the second carriage 702 and includes a suction plate 601 and several suction heads 602 mounted on the plate 601. In this embodiment, suction heads 602 are mounted at each of the four corners and in the center of the plate 601. The plate 601 is mounted on the second carriage 702, which controls the raising and lowering of the plate 601. A sensor 206 is mounted on the first support plate 202, and a sensing block 603 is mounted on the plate 601. The sensor 206 senses the sensing block 603.

[0050] Two sensing blocks 603 are provided on the suction plate 601. The two sensing blocks 603 are respectively provided on both sides of the suction plate 601 along the width direction of the conveying mechanism 30, and the other two sensing blocks 603 are staggered. Figure 2 As shown, the line connecting the two sensing blocks 603 is not parallel to the width of the suction plate 601. The sensing block 603 is a lug protruding from the suction plate 601. When the second carriage 702 drives the suction plate 601 downward, the sensor 206 senses the sensing block 603, indicating that the tray 10 and the suction plate 601 are correctly positioned, and the PCB 90 is placed with high accuracy.

[0051] The rack mechanism 50 is mounted on the side of the first frame 801 and includes a second support plate 502 and positioning plates 503. The positioning plates 503 are mounted at the four corners of the second support plate 502. The positioning plates 503 are L-shaped and have triangular reinforcement plates on their sides. A second lifting mechanism is mounted at the bottom of the rack mechanism 50 to control the raising and lowering of the second support plate 502. PCBs 90 are placed on the second support plate 502. Each time the suction mechanism 60 removes a PCB board 90, the second lifting mechanism rises by the thickness of the PCB board 90. This ensures that the suction mechanism 60 remains in a fixed position each time it descends to pick up a PCB board 90.

[0052] The second lifting mechanism includes a base 506, a second lifting power 501, a lifting shaft 507 and a lifting plate 508. The base 506 is connected to the workbench 80. The fixed end of the second lifting power 501 is installed on the base 506. The output end of the second lifting power 501 is connected to the lifting shaft 507 through a coupling. The lifting shaft 507 of this embodiment adopts a threaded shaft. The lifting shaft 507 is provided with a nut with an internal thread. The lifting plate 508 is fixed to the nut. The end of the lifting shaft 507 away from the second lifting power 501 passes through the workbench 80 and is rotatably arranged with the workbench 80. The lifting plate 508 is connected to the second supporting plate 502 by a connecting rod 509. The connecting rod 509 passes through the workbench 80 and plays a guiding role.

[0053] Several PCB boards 90 are placed on the second tray 502. The bottom PCB board 90 may be stuck to the second tray 502. Therefore, the present application provides an opening 504 at the bottom of the second tray 502. A blowing member 505 is installed at the bottom of the opening 504 for blowing air onto the bottom PCB board 90 placed on the second tray 502. In this way, the suction mechanism 60 can effectively suck the bottom PCB board 90.

[0054] A display screen is also installed on the workbench 80, through which the image where the PCB board is placed can be clearly seen. A baffle is installed on the side of the second rack 401, and a camera is installed on the baffle.

[0055] Working process: The moving mechanism 70 moves the suction mechanism 60 to the top of the material rack mechanism 50, the suction mechanism 60 descends, sucks a PCB board 90, and the suction mechanism 60 rises. The second lifting mechanism drives the second support plate 502 to rise. The distance the second support plate 502 rises each time is the thickness of a PCB board 90.

[0056] The tray 10 moves forward driven by the belt 304, and the tray 10 is blocked by the blocking block 205. The first lifting mechanism 20 lifts the tray 10 off the belt 304, and the pressing piece 403 presses the tray 10 to prevent jumping. The camera 404 collects data and adjusts the position and angle of the tray 10 in conjunction with the adjusting power 402. Finally, the second slide 702 lowers the suction plate 601. If the sensor 206 detects the signal of the sensing block 603, the suction plate 601 stops sucking and places the PCB board 90 on the pallet. If the sensor 206 does not detect the signal of the sensing plate, the suction plate 601 continues to suck the PCB board 90, and the second slide 702 rises, and the adjusting power 402 continues to adjust the position of the tray 10.

[0057] The above embodiments are merely illustrative of the principles and effects of the present invention and are not intended to limit the present invention. Anyone skilled in the art may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by one of ordinary skill in the art without departing from the spirit and technical principles disclosed in the present invention are intended to be covered by the claims of the present invention.

Claims

1. A PCB board placement device, characterized in that: include: A tray (10) for carrying a PCB board (90); a first lifting mechanism (20) for controlling the lifting and lowering of the tray (10); An adjusting mechanism (40) is installed above the first lifting mechanism (20) and is used to adjust the position of the tray (10); the adjusting mechanism (40) includes a second frame (401) and an adjusting power (402); the second frame (401) is installed on the first frame (801) carrying the tray (10); the adjusting power (402) is installed on the second frame (401); the adjusting power (402) is used to adjust the position of the tray (10); and the adjusting power (402) is arranged along the extension direction of the first frame (801).

2. The PCB board placement device according to claim 1, characterized in that: The second frame (401) is provided with a pressing member (403) along the width direction of the first frame (801) for pressing the tray (10).

3. The PCB board placement device according to claim 1, characterized in that: The PCB board placement device further comprises a suction mechanism (60), the suction mechanism (60) comprising a suction plate (601) and a plurality of suction heads (602) arranged on the suction plate (601), a sensor (206) being arranged on the first lifting mechanism (20), a sensing block (603) being arranged on the suction plate (601), and the sensor (206) being used for sensing the sensing block (603).

4. The PCB board placement device according to claim 3, characterized in that: Two sensing blocks (603) are provided on the suction plate (601), and the two sensing blocks (603) are respectively provided on both sides of the suction plate (601) along the width direction of the first frame (801), and the other two sensing blocks (603) are staggered.

5. The PCB board placement device according to claim 1, characterized in that: A camera (404) is installed on the second frame (401) for detecting the placement position of the PCB board (90).

6. The PCB board placement device according to claim 3, characterized in that: The PCB board placement device further comprises a moving mechanism (70), the suction mechanism (60) is mounted on the moving mechanism (70), the moving mechanism (70) is used to move the suction mechanism (60), and both ends of the moving mechanism (70) are provided with limit blocks (703), and the limit blocks (703) are used to limit the suction mechanism (60).

7. The PCB board placement device according to claim 6, characterized in that: Buffering members (704) are provided at both ends of the moving mechanism (70), and the buffering members (704) are used to buffer the movement of the suction mechanism (60).

8. The PCB board placement device according to claim 1, characterized in that: The PCB board placement device further comprises a second lifting mechanism for moving the PCB board (90) upwards, the second lifting mechanism comprising a second lifting power (501) and a second supporting plate (502) connected to the movable end of the second lifting power (501), and the PCB board (90) is placed on and connected to the second supporting plate (502).

9. The PCB board placement device according to claim 8, characterized in that: A positioning plate (503) is provided at the edge of the second support plate (502), an opening (504) is provided at the bottom of the second support plate (502), and a blowing member (505) is installed at the bottom of the opening (504) for blowing air on the PCB board (90) placed at the bottom of the second support plate (502).

10. The PCB board placement device according to claim 1, characterized in that: The first lifting mechanism (20) includes a first lifting power (201) and a first support plate (202) installed at the movable end of the first lifting power (201); a positioning block (101) is provided on the side of the pallet (10) close to the first support plate (202); a positioning groove (203) is provided on the first support plate (202) corresponding to the positioning block (101); a blocking mechanism is also provided on the side of the first lifting mechanism (20) for blocking the pallet (10); the blocking mechanism includes a blocking power (204) and a blocking block (205) connected to the movable end of the blocking power (204); the blocking power (204) is used to control the lifting and lowering of the blocking block (205).

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