Automatic feeding equipment for PCBs (printed circuit boards)

Abstract

The utility model discloses a PCB automatic feeding device which comprises a base, the top of the base is provided with a feeding mechanism, the feeding mechanism comprises an abutting frame, the abutting frame is arranged at the top of the base, grooves are formed in the two sides of the outer surface of the abutting frame, the interiors of the two grooves are movably connected with a pushing strip and a material plate respectively, and the pushing strip and the material plate are arranged on the base. The outer surface of the abutting frame is fixedly connected with two sets of supporting plates, the outer surface of one set of supporting plates is fixedly connected with a lifting rod, one end of the lifting rod is fixedly connected with the outer surface of the base, the outer surface of the other set of supporting plates is movably connected with the outer surface of a material plate, and the outer surface of the material plate is fixedly connected with a rotating shaft. Relates to the technical field of feeding devices, and solves the problems that when a feeding device of an existing AOI detection device is used, the protection performance is poor, so that PCBs deviate and fall off easily, and when the PCBs are stacked and synchronously ascend, driving power consumption is large, and a lifting table is prone to damage due to large stress.

Description

Technical Field

[0001] The utility model relates to the technical field of feeding devices, in particular to automatic feeding equipment for PCB boards. Background Art

[0002] When the PCB board is inspected by the AOI inspection equipment, an automatic feeding device will be used to automatically place the PCB board on the conveyor belt for conveying inspection. However, the existing inspection feeding device is integrated with the AOI inspection equipment, and its use state is fixed and cannot be applied to the loading of PCB board processing procedures or other inspection procedures. The flexibility of use needs to be further improved. An automatic PCB board feeding device for AOI inspection equipment with application number 2023215528700 includes a movable base with adjustable position, and the PCB board is sent to the AOI inspection equipment through a material guide mechanism, thereby realizing automatic feeding of the AOI inspection equipment for PCB board inspection, and the feeding device can be moved to other processing stations or inspection stations for self-loading by moving the movable base, which has good flexibility of use.

[0003] Although the device has the above advantages, it still has the following defects in actual use:

[0004] 1) The device lifts the stacked PCBs through a lifting platform. On the one hand, the required driving power consumption is large, and on the other hand, the protection of the PCBs is poor, which makes them easy to fall. At the same time, the lifting platform is subjected to large force and is easy to be damaged;

[0005] 2) The device uses a pneumatic rod to push and pull the PCB board. On the one hand, the small contact area is prone to deviation, causing the board to fall. On the other hand, when the PCB board is pushed, there is no protection on both sides of the movement, which is also prone to deviation and causing it to fall.

[0006] Therefore, it is necessary to solve the problems that still exist in the above-mentioned device. Utility Model Content

[0007] In view of the deficiencies in the prior art, the utility model provides an automatic PCB board feeding device, which solves the problems that the feeding device of the existing AOI inspection equipment has poor protection when in use, which easily causes the PCB board to deviate and fall, and at the same time, when the stacked PCB boards are raised synchronously, there is a problem of high driving power consumption and the lifting platform is easily damaged due to high force.

[0008] To achieve the above purpose, the utility model is implemented through the following technical solutions: a PCB board automatic feeding device, comprising a base, a feeding mechanism is arranged on the top of the base, the feeding mechanism comprises a resistance frame, the resistance frame is arranged on the top of the base, grooves are opened on both sides of the outer surface of the resistance frame, and push strips and material plates are movably connected inside the two grooves, and two groups of support plates are fixedly connected to the outer surface of the resistance frame, and the outer surface of one group of support plates is fixedly connected to a lifting rod, one end of the lifting rod is fixedly connected to the outer surface of the base, and the outer surface of the other group of support plates is movably connected to the outer surface of the material plate, and the outer surface of the material plate is fixedly connected to a rotating shaft, and the outer surface of the rotating shaft is rotatably connected with the body of the other group of support plates, and the outer surface of the other group of support plates is fixedly connected to a servo motor, the output end of the servo motor is rotatably connected with the outer surface of the support plate, and the output end of the servo motor is fixedly connected to one end of the rotating shaft through a coupling, the outer surface of the push strip is fixedly connected to a push-pull rod, and one end of the push-pull rod is fixedly connected to a folding plate, and the outer surface of the folding plate is fixedly connected to the outer surface of the resistance frame.

[0009] Preferably, a protective component is provided on the outside of the abutment frame, and the protective component includes a connecting frame, which is provided between the abutment frame and the outer surface of the base, and the outer surface of the connecting frame is movably connected to the outer surface of the abutment frame.

[0010] Preferably, a rubber sleeve is fixedly connected to the outer surface of the connecting frame, and the outer surface of the rubber sleeve is fixedly connected to the outer surface of the base.

[0011] Preferably, the outer surface of the rubber sleeve is movably connected with a spring sleeve, and the outer surface of the spring sleeve is movably connected to the outer surface of the base and the connecting frame respectively.

[0012] Preferably, both sides of the connecting frame are provided with card slots, the insides of the card slots on both sides are movably connected with card frames, and the outer surfaces of the card frames on both sides are fixedly connected to the outer surface of the spring sleeve.

[0013] Preferably, a telescopic rod is fixedly connected to the outer surface of the connecting frame, and one end of the telescopic rod is fixedly connected to the outer surface of the base.

[0014] Beneficial Effects

[0015] The utility model provides a PCB board automatic feeding device. Compared with the prior art, it has the following beneficial effects:

[0016] (1) By setting up a feeding mechanism, the side of the PCB movement range can be protected by a support frame to avoid the problem of deviation and falling. At the same time, the pushing area is increased by a push bar, which can push the material smoothly. The servo motor is used to drive the material plate to rotate, which is convenient for the smooth reception and tilted unloading of the PCB plate, thereby improving the efficiency and stability of loading and unloading.

[0017] (2) By setting up a protective component and utilizing a combination of a rubber sleeve and a spring sleeve, the stacked PCB boards can be protected from the sides, thereby enhancing the overall stability of the stacked PCB boards and avoiding the problem of falling and damage. At the same time, the telescopic performance is utilized to facilitate orderly feeding from top to bottom, and during the feeding process, the stability of the remaining PCB boards is also ensured. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional diagram of the external structure of the utility model;

[0019] Figure 2 It is a three-dimensional diagram of the external structure of the frame of the utility model;

[0020] Figure 3 It is a three-dimensional diagram of the external structure of the rubber sleeve of the utility model.

[0021] In the figure: 1. base; 2. abutment frame; 3. protection assembly; 31. connecting frame; 32. rubber sleeve; 33. spring sleeve; 34. slot; 35. card frame; 36. telescopic rod; 4. groove; 5. push strip; 6. material plate; 7. support plate; 8. lifting rod; 9. rotating shaft; 10. servo motor; 11. push-pull rod; 12. folding plate. 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 1-3 The utility model provides a technical solution: a PCB board automatic feeding equipment:

[0024] Embodiment 1:

[0025] The utility model comprises a base 1, which is provided with a self-locking universal wheel for easy movement. A feeding mechanism is provided on the top of the base 1, and the feeding mechanism comprises a resisting frame 2, which is made of a pressure-resistant and wear-resistant material. The resisting frame 2 is arranged on the top of the base 1, and grooves 4 are provided on both sides of the outer surface of the resisting frame 2. Pushing strips 5 and material plates 6 are movably connected inside the two grooves 4, respectively. The pushing strips 5 and the material plates 6 are made of pressure-resistant and wear-resistant materials, and the bottom of the pushing strips 5 is consistent with the surface height of the material plates 6 receiving the PCB board. Two groups of supporting plates 7 are fixedly connected to the outer surface of the resisting frame 2. The supporting plates 7 are made of pressure-resistant and wear-resistant materials. A lifting rod 8 is fixedly connected to the outer surface of one group of supporting plates 7. The lifting rod 8 is made of an existing electric push rod and is electrically connected to an external control circuit. One end of the lifting rod 8 is connected to the outer surface of the base 1 The surface is fixedly connected, the outer surface of another group of support plates 7 is movably connected to the outer surface of the material plate 6, the outer surface of the material plate 6 is fixedly connected with a rotating shaft 9, the outer surface of the rotating shaft 9 is rotatably connected to the body of the other group of support plates 7, the outer surface of the other group of support plates 7 is fixedly connected with a servo motor 10, the servo motor 10 is electrically connected to the external control circuit, the output end of the servo motor 10 is rotatably connected to the outer surface of the support plate 7, the output end of the servo motor 10 is fixedly connected to one end of the rotating shaft 9 through a coupling, the outer surface of the push strip 5 is fixedly connected with a push-pull rod 11, the push-pull rod 11 is made of an existing electric push rod, and is electrically connected to the external control circuit, one end of the push-pull rod 11 is fixedly connected with a folding plate 12, the folding plate 12 plays a role in supporting the push-pull rod 11, and the outer surface of the folding plate 12 is fixedly connected to the outer surface of the frame 2.

[0026] By setting up a feeding mechanism, the side of the PCB movement range can be protected by the anti-frame 2, avoiding the problem of deviation and falling. At the same time, the pushing area is increased by the push bar 5, so that the material can be pushed smoothly, and the servo motor 10 is used to drive the material plate 6 to rotate, which is convenient for the smooth reception and inclined unloading of the PCB plate, thereby improving the efficiency and stability of loading and unloading.

[0027] Embodiment 2:

[0028] The outer surface of the frame 2 is provided with a protective component 3, which includes a connecting frame 31. The connecting frame 31 is made of a material that is resistant to pressure and wear. The connecting frame 31 is arranged between the outer surfaces of the frame 2 and the base 1. The outer surface of the connecting frame 31 is movably connected to the outer surface of the frame 2. The outer surface of the connecting frame 31 is fixedly connected with a rubber sleeve 32. The rubber sleeve 32 is made of a colloid material with good elasticity and fatigue resistance. The outer surface of the rubber sleeve 32 is fixedly connected to the outer surface of the base 1. The outer surface of the rubber sleeve 32 is movably connected with a spring sleeve 33. The spring sleeve 33 is made of a material with high hardness, good elasticity, pressure resistance, wear resistance and fatigue resistance. The outer surfaces of 33 are movably connected with the base 1 and the outer surfaces of the connecting frame 31 respectively. Card grooves 34 are provided on both sides of the outside of the connecting frame 31. The card grooves 34 are used for limiting connection and are provided with permanent magnets inside. The insides of the card grooves 34 on both sides are movably connected with card frames 35. The card frames 35 are made of pressure-resistant, wear-resistant and magnetic materials. The outer surfaces of the card frames 35 on both sides are fixedly connected with the outer surfaces of the spring sleeves 33. The outer surface of the connecting frame 31 is fixedly connected with a telescopic rod 36. The extension and retraction of the telescopic rod 36 plays a limiting and guiding role on the movement of the card frame 35. One end of the telescopic rod 36 is fixedly connected to the outer surface of the base 1.

[0029] By providing the protection component 3 and utilizing the combination of the rubber sleeve 32 and the spring sleeve 33, the stacked PCB boards can be protected from the sides, thereby enhancing the overall stability of the stacked PCB boards and avoiding the problem of falling and damage. At the same time, the telescopic performance is utilized to facilitate orderly feeding from top to bottom, and during the feeding process, the stability of the remaining PCB boards is also guaranteed.

[0030] Embodiment 3: This embodiment is obtained by combining embodiments 1 and 2. By protecting the PCB board during pushing and movement, the problem of deviation, falling and damage can be avoided. The PCB boards can also be protected during stacking, further improving the overall stability.

[0031] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0032] When working, first move the base 1 to the loading area of ​​the detection equipment and fix it, then press down the connecting frame 31 to compress the spring sleeve 33, and make the rubber sleeve 32 shrink and restore. After the connecting frame 31 is close to the base 1, put the support plate in the frame hole of the connecting frame 31, and support the support plate through the base 1, and then stack the PCB boards on the external support plate, and the thickness of the support plate is the same as the sum of the thickness of the connecting frame 31 and the resisting frame 2. Then the connecting frame 31 is reset by the rebound of the spring sleeve 33. When the detection and loading are carried out, the output end of the lifting rod 8 is retracted, driving the resisting frame 2 to descend to press down the connecting frame 31. When the bottom of the push bar 5 is aligned with the top PC When the bottom of plate B is flush, the lifting rod 8 stops descending, and then the output end of the push-pull rod 11 extends, driving the push bar 5 to move to push the top PCB board, so that it moves to the surface of the material plate 6, and then the output end of the lifting rod 8 extends, so that the material plate 6 drives the PCB board to rise, and then when the material plate 6 moves to the top of the conveyor belt, the servo motor 10 drives the material plate 6 to rotate through the rotating shaft 9, so that the PCB board tilts and falls on the conveyor belt for conveying inspection, and then the servo motor 10 drives the material plate 6 to reverse and reset, so that one side of the material plate 6 is reset to enter the inside of the groove 4 on one side, and then repeat the above steps to perform continuous loading operations.

[0033] Although the 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 PCB board automatic feeding device, comprising a base (1), characterized in that: A feeding mechanism is arranged on the top of the base (1), and the feeding mechanism comprises a support frame (2), the support frame (2) is arranged on the top of the base (1), grooves (4) are provided on both sides of the outer surface of the support frame (2), and push strips (5) and material plates (6) are movably connected inside the two grooves (4), and two groups of support plates (7) are fixedly connected to the outer surface of the support frame (2), and the outer surface of one group of the support plates (7) is fixedly connected to a lifting rod (8), one end of the lifting rod (8) is fixedly connected to the outer surface of the base (1), and the outer surface of the other group of the support plates (7) is movably connected to the outer surface of the material plate (6), and the material plate The outer surface of the push bar (5) is fixedly connected to a rotating shaft (9), the outer surface of the rotating shaft (9) is rotatably connected to the body of another group of support plates (7), the outer surface of the other group of support plates (7) is fixedly connected to a servo motor (10), the output end of the servo motor (10) is rotatably connected to the outer surface of the support plate (7), the output end of the servo motor (10) is fixedly connected to one end of the rotating shaft (9) through a coupling, the outer surface of the push bar (5) is fixedly connected to a push-pull rod (11), one end of the push-pull rod (11) is fixedly connected to a folding plate (12), and the outer surface of the folding plate (12) is fixedly connected to the outer surface of the support frame (2).

2. The PCB automatic feeding device according to claim 1, characterized in that: A protective component (3) is arranged outside the support frame (2), and the protective component (3) comprises a connecting frame (31). The connecting frame (31) is arranged between the support frame (2) and the outer surface of the base (1), and the outer surface of the connecting frame (31) is movably connected to the outer surface of the support frame (2).

3. The automatic PCB feeding device according to claim 2 is characterized in that: The outer surface of the connecting frame (31) is fixedly connected with a rubber sleeve (32), and the outer surface of the rubber sleeve (32) is fixedly connected to the outer surface of the base (1).

4. The automatic PCB feeding device according to claim 3 is characterized in that: The outer surface of the rubber sleeve (32) is movably connected to a spring sleeve (33), and the outer surface of the spring sleeve (33) is movably connected to the outer surface of the base (1) and the connecting frame (31) respectively.

5. The PCB automatic feeding device according to claim 4 is characterized in that: Both sides of the connecting frame (31) are provided with clamping grooves (34), the insides of the clamping grooves (34) on both sides are movably connected with clamping frames (35), and the outer surfaces of the clamping frames (35) on both sides are fixedly connected to the outer surface of the spring sleeve (33).

6. The PCB automatic feeding device according to claim 2, characterized in that: A telescopic rod (36) is fixedly connected to the outer surface of the connecting frame (31), and one end of the telescopic rod (36) is fixedly connected to the outer surface of the base (1).

Images