Automatic feeding device of chip mounter

Abstract

The utility model relates to the technical field of PCB (Printed Circuit Board) production equipment, in particular to an automatic feeding device of a chip mounter, which comprises a mounting base, a supporting plate, a bearing plate, a lifting mechanism, a driving motor, an ejection mechanism and a guide mechanism, the number of the supporting plates is two, and the two supporting plates are arranged on the mounting base. The bearing plate is arranged between the two supporting plates, and the bearing plate and the supporting plates are in sliding connection in the vertical direction; the number of the lifting mechanisms is two, the two lifting mechanisms are located on the sides, away from each other, of the two supporting plates correspondingly, and the output ends of the lifting mechanisms are in transmission connection with the bearing plate. According to the utility model, through the arrangement of the lifting mechanism, every time the driving motor rotates a circle, the lifting mechanism drives the bearing plate to move upwards by a distance equal to the thickness of one PCB, the crankshaft rotates to drive the top plate to reciprocate, and when the top plate is close to the guide plate, the uppermost PCB is ejected out, and the ejected PCB slides to the chip mounter, so that the whole feeding process is more stable, and the production efficiency is improved. And stable operation of the chip mounter is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of PCB board production equipment, and particularly relates to an automatic feeding device for a chip mounter. Background Art

[0002] A PCB board, that is, a printed circuit board, is an important electronic component, used as a support for electronic components or a carrier for electrical connection of electronic components. A chip mounter is the main equipment in the SMT production line. The chip mounter has developed from the early low-speed mechanical chip mounter to a high-speed optical centering chip mounter, and is developing towards multi-function and flexible connection modularization. When the chip mounter is pasting, a feeding device is required to feed it.

[0003] Patent authorization announcement number CN216960673U discloses an automatic feeding device for an automatic chip mounter, including a base, a material storage frame and a guide plate. A support leg is arranged at the upper left of the base, a rotating motor is arranged at the upper left of the material storage frame, a rotating rod is connected to one side of the rotating motor, an adjusting rod is arranged at the center of the bottom of the material storage frame, a first spring is arranged on the adjusting rod, a material receiving tray is connected above the adjusting rod, second springs are arranged on the left and right sides of the material receiving tray, and a fixing plate is connected to the lower front side of the material storage frame. Through the setting of the material storage frame, the utility model can hold more PCB boards, so that the staff can put the required PCB boards into the interior of the material storage frame at one time in advance, thus eliminating the need for the staff to monitor for a long time and add materials continuously. After the staff finishes adding materials in advance, they can do other work, making the feeding work simpler and saving manpower.

[0004] However, the above technical solution has the following deficiencies: during the feeding process, the material receiving tray and the PCB board move upward under the combined action of the first spring and the second spring. In the actual working process, when there are too many PCB boards on the material receiving tray, the elastic forces of the first spring and the second spring are not sufficient to support the upward movement of the material receiving tray and the PCB board, resulting in unsmooth feeding and affecting the normal operation of the chip mounter. Summary of the Utility Model

[0005] The purpose of the utility model is to propose an automatic feeding device for a chip mounter aiming at the problems existing in the background art.

[0006] The technical solution of the utility model: an automatic feeding device for a chip mounter, comprising:

[0007] An installation base;

[0008] Two support plates, which are arranged on the installation base;

[0009] A bearing plate, which is arranged between the two support plates, and the bearing plate is slidably connected to the support plates in the vertical direction;

[0010] There are two sets of lifting mechanisms, which are respectively located on the opposite sides of the two support plates. The output end of the lifting mechanism is drivingly connected to the bearing plate;

[0011] The driving motor is arranged on one side of a set of lifting mechanisms and is drivingly connected to the lifting mechanism;

[0012] The ejecting mechanism is arranged between the two support plates, and one end of the ejecting mechanism is drivingly connected to the lifting mechanism;

[0013] The guiding mechanism is arranged on the mounting base, and the guiding mechanism is located on the outlet side of the ejecting mechanism.

[0014] Preferably, each set of lifting mechanisms includes a mounting box, a driving rod, a threaded rod, a first bevel gear, a second bevel gear and a threaded sleeve;

[0015] The mounting box is arranged on the mounting base and is connected to the support plate;

[0016] The driving rod passes through the mounting box and the support plate and is rotatably connected to the mounting box and the support plate. One end of the driving rod is drivingly connected to the driving motor;

[0017] The first bevel gear is located inside the mounting box and is connected to the driving rod;

[0018] The threaded rod is vertically arranged inside the mounting box and is rotatably connected to the mounting box;

[0019] The second bevel gear is connected to the threaded rod and meshes with the first bevel gear;

[0020] The threaded sleeve is sleeved on the threaded rod and is threadedly connected to the threaded rod.

[0021] Preferably, it further includes a connecting block. The connecting block passes through the mounting box and the support plate. One end of the connecting block is connected to the threaded sleeve, and the other end of the connecting block is connected to the bearing plate.

[0022] Preferably, the ejecting mechanism includes a crankshaft, a connecting rod and a top plate;

[0023] Both ends of the crankshaft are respectively connected to the two driving rods;

[0024] One end of the connecting rod is rotatably connected to the crankshaft;

[0025] The top plate is located between the two support plates. The top plate is slidably connected to the support plates in the horizontal direction and is rotatably connected to the connecting rod.

[0026] Preferably, the guiding mechanism includes a limiting plate and a material guiding plate;

[0027] There are two limiting plates, and both limiting plates are connected to the mounting base;

[0028] The material guiding plate is located between two limiting plates, and the material guiding plate is connected to the two limiting plates.

[0029] Preferably, it further includes triggers. There are two triggers, which are respectively located on the opposite sides of the two support plates, and the two triggers are respectively connected to the two support plates.

[0030] Compared with the prior art, the above technical solution of the present utility model has the following beneficial technical effects:

[0031] In the present utility model, through the setting of the lifting mechanism, during the feeding process, every time the driving motor rotates one week, the bearing plate is driven by the lifting mechanism to move upward by a distance equal to the thickness of a PCB board. At the same time, when the crankshaft rotates one week, the top plate is driven by the connecting rod to complete a reciprocating motion. When the top plate approaches the material guiding plate, the topmost PCB board is ejected, and the ejected PCB board slides towards the mounter. The whole feeding process is more stable, ensuring the stable operation of the mounter. Description of the Drawings

[0032] Figure 1 is a perspective view of an embodiment proposed by the present utility model;

[0033] Figure 2 is a perspective view of a second perspective of an embodiment proposed by the present utility model;

[0034] Figure 3 is a partial cross-sectional view of an embodiment proposed by the present utility model;

[0035] Figure 4 is a perspective view of the cooperation between the lifting mechanism and the ejecting mechanism in an embodiment proposed by the present utility model. Reference numerals: 1, mounting base; 2, support plate; 3, bearing plate; 4, lifting mechanism; 41, mounting box; 42, driving rod; 43, threaded rod; 44, first helical gear; 45, second helical gear; 46, threaded sleeve; 5, ejecting mechanism; 51, crankshaft; 52, connecting rod; 53, top plate; 6, guiding mechanism; 61, limiting plate; 62, material guiding plate; 7, driving motor; 8, connecting block; 9, trigger. Detailed Embodiments

[0036] Embodiment 1

[0037] As Figures 1-4 shown, an automatic feeding device for a mounter proposed by the present utility model includes a mounting base 1, support plates 2, a bearing plate 3, a lifting mechanism 4, a driving motor 7, an ejecting mechanism 5, a guiding mechanism 6 and a trigger 9;

[0038] There are two support plates 2, and the two support plates 2 are fixedly installed on the mounting base 1;

[0039] The bearing plate 3 is arranged between two support plates 2, and the bearing plate 3 is slidably connected to the support plates 2 in the vertical direction;

[0040] There are two sets of lifting mechanisms 4, and the two sets of lifting mechanisms 4 are respectively located on the opposite sides of the two support plates 2. The output end of the lifting mechanism 4 is in transmission connection with the bearing plate 3;

[0041] The driving motor 7 is arranged on one side of a set of lifting mechanisms 4. The driving motor 7 is in transmission connection with the lifting mechanism 4. The driving motor 7 has the function of forward and reverse rotation and is connected to the control system and the power supply through a wire;

[0042] The ejecting mechanism 5 is arranged between the two support plates 2, and one end of the ejecting mechanism 5 is in transmission connection with the lifting mechanism 4;

[0043] The guiding mechanism 6 is arranged on the mounting base 1, and the guiding mechanism 6 is located on the outlet side of the ejecting mechanism 5;

[0044] There are two triggers 9, and the two triggers 9 are respectively located on the opposite sides of the two support plates 2. The two triggers 9 are respectively connected to the two support plates 2.

[0045] Embodiment 2

[0046] As Figures 3-4 shown, an automatic feeding device for a chip mounter proposed by the present utility model further specifically discloses the structure of the lifting mechanism 4 compared with Embodiment 1; Each set of lifting mechanisms 4 includes an installation box 41, a driving rod 42, a threaded rod 43, a first bevel gear 44, a second bevel gear 45, a threaded rod 43 and a connecting block 8;

[0047] The installation box 41 is fixedly arranged on the mounting base 1, and one side of the installation box 41 is fixedly connected to the support plate 2;

[0048] The driving rod 42 penetrates through the installation box 41 and the support plate 2 and is rotatably connected to the installation box 41 and the support plate 2. One end of the driving rod 42 is in transmission connection with the output end of the driving motor 7;

[0049] The first bevel gear 44 is located inside the installation box 41, and the first bevel gear 44 is fixedly connected to the driving rod 42;

[0050] The threaded rod 43 is vertically arranged inside the installation box 41, and the threaded rod 43 is rotatably connected to the installation box 41;

[0051] The second bevel gear 45 is fixedly connected to the threaded rod 43, and the second bevel gear 45 meshes with the first bevel gear 44;

[0052] The threaded sleeve 46 is sleeved on the threaded rod 43 and is in threaded connection with the threaded rod 43;

[0053] The connecting block 8 penetrates through the mounting box 41 and the support plate 2. One end of the connecting block 8 is fixedly connected to the threaded sleeve 46, and the other end of the connecting block 8 is fixedly connected to the bearing plate 3. A guiding groove is formed through the surface of the support plate 2, and the connecting block 8 is slidably connected to the support plate 2 through the guiding groove.

[0054] Embodiment 3

[0055] As Figures 2-4 shown, an automatic loading device for a chip mounter proposed by the present utility model. Compared with Embodiment 2, the structure of the ejecting mechanism 5 is specifically disclosed in this embodiment; the ejecting mechanism 5 includes a crankshaft 51, a connecting rod 52 and a top plate 53;

[0056] Both ends of the crankshaft 51 are fixedly connected to two driving rods 42 respectively;

[0057] One end of the connecting rod 52 is rotatably connected to the crankshaft 51;

[0058] The top plate 53 is located between the two support plates 2. The top plate 53 is slidably connected to the support plates 2 in the horizontal direction, and the top plate 53 is rotatably connected to the connecting rod 52.

[0059] Embodiment 4

[0060] As Figure 1 shown, an automatic loading device for a chip mounter proposed by the present utility model. Compared with Embodiment 3, the structure of the guiding mechanism 6 is specifically disclosed in this embodiment; the guiding mechanism 6 includes a limiting plate 61 and a guiding plate 62;

[0061] There are two limiting plates 61, and both limiting plates 61 are fixedly connected to the mounting base 1;

[0062] The guiding plate 62 is located between the two limiting plates 61. The guiding plate 62 is inclined, and the guiding plate 62 is fixedly connected to the two limiting plates 61.

[0063] The PCB boards to be pasted are sequentially placed on the bearing plate 3. The bottom of the topmost PCB board is just slightly higher than the top of the guiding plate 62. The driving motor 7 works to drive the first bevel gear 44 and the crankshaft 51 to rotate through the driving rod 42. The first bevel gear 44 rotates to drive the second bevel gear 45 and the threaded rod 43 to rotate together through meshing. The threaded rod 43 rotates to drive the threaded sleeve 46 to move upward. The threaded sleeve 46 moves upward to drive the bearing plate 3 and the PCB boards to move upward together through the connecting block 8. The bearing plate 3 moves upward by a distance equal to the thickness of one PCB board when the driving rod 42 rotates one week. The crankshaft 51 rotates to drive the top plate 53 to reciprocate through the connecting rod 52. When the top plate 53 approaches the guiding plate 62, the topmost PCB board is ejected, and the ejected PCB board slides towards the chip mounter through the guiding plate 62.

[0064] The embodiments of the present utility model have been described in detail in conjunction with the accompanying drawings. However, the present utility model is not limited thereto, and various changes can be made without departing from the spirit of the present utility model within the scope of knowledge possessed by those skilled in the relevant technical field.

Claims

1. An automatic feeding device for a chip mounter, characterized in that: include: Mounting base (1); Two support plates (2) are provided, and the two support plates (2) are arranged on the mounting base (1); A bearing plate (3) is arranged between the two support plates (2), and the bearing plate (3) is slidably connected to the support plates (2) in a vertical direction; A lifting mechanism (4) is provided in two groups, the two groups of lifting mechanisms (4) are respectively located on the opposite sides of the two support plates (2), and the output end of the lifting mechanism (4) is drivingly connected to the bearing plate (3); A driving motor (7) is arranged on one side of a group of lifting mechanisms (4), and the driving motor (7) is drivingly connected to the lifting mechanisms (4); An ejection mechanism (5) is arranged between the two support plates (2), and one end of the ejection mechanism (5) is drivingly connected to the lifting mechanism (4); A guide mechanism (6) is arranged on the mounting base (1), and the guide mechanism (6) is located at the outlet side of the ejection mechanism (5).

2. The automatic feeding device for a chip mounter according to claim 1, characterized in that: Each lifting mechanism (4) comprises a mounting box (41), a driving rod (42), a threaded rod (43), a first bevel gear (44), a second bevel gear (45) and a threaded sleeve (46); The installation box (41) is arranged on the installation base (1), and the installation box (41) is connected to the support plate (2); The driving rod (42) penetrates the installation box (41) and the support plate (2) and is rotationally connected to the installation box (41) and the support plate (2), and one end of the driving rod (42) is drivingly connected to the driving motor (7); The first bevel gear (44) is located in the installation box (41), and the first bevel gear (44) is connected to the driving rod (42); The threaded rod (43) is vertically arranged in the installation box (41), and the threaded rod (43) is rotatably connected to the installation box (41); The second bevel gear (45) is connected to the threaded rod (43), and the second bevel gear (45) and the first bevel gear (44) are meshed with each other; The threaded sleeve (46) is sleeved on the threaded rod (43) and is threadedly connected to the threaded rod (43).

3. The automatic feeding device for a chip mounter according to claim 2, characterized in that: It also includes a connecting block (8), which passes through the installation box (41) and the support plate (2), one end of the connecting block (8) is connected to the threaded sleeve (46), and the other end of the connecting block (8) is connected to the bearing plate (3).

4. The automatic feeding device for a chip mounter according to claim 2, characterized in that: The ejection mechanism (5) comprises a crankshaft (51), a connecting rod (52) and an ejector plate (53); The two ends of the crankshaft (51) are respectively connected to two driving rods (42); One end of the connecting rod (52) is rotatably connected to the crankshaft (51); The top plate (53) is located between the two support plates (2), the top plate (53) is slidably connected to the support plates (2) in the horizontal direction, and the top plate (53) is rotatably connected to the connecting rod (52).

5. The automatic feeding device for a chip mounter according to claim 1, characterized in that: The guide mechanism (6) comprises a limit plate (61) and a material guide plate (62); Two limit plates (61) are provided, and both limit plates (61) are connected to the mounting base (1); The material guide plate (62) is located between the two limit plates (61), and the material guide plate (62) is connected to the two limit plates (61).

6. The automatic feeding device for a chip mounter according to claim 1, characterized in that: It also comprises a trigger (9), wherein two triggers (9) are provided, the two triggers (9) are respectively located on opposite sides of the two support plates (2), and the two triggers (9) are respectively connected to the two support plates (2).

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