CN102118960B - A plug-in machine for special-shaped components - Google Patents

Abstract

The present invention relates to the technical field of electronic component insertion machines, and in particular to a special-shaped component insertion machine, comprising a frame, a vibrating feeder, a plate feeding mechanism, a feeding mechanism and a head air suction mechanism, wherein the frame is provided with a first driving mechanism for driving a lifting platform to move up and down; the feeding mechanism comprises a guide rail fixing seat and a long guide rail, and the head air suction mechanism comprises a lifting mechanism arranged on the frame, a corner mechanism arranged on the frame, a suction rod which can move up and down, and a suction nozzle arranged on the lower end of the suction rod. The present invention uses air suction to replace a mechanical hand claw, which greatly reduces the damage to the electronic component. The feeding mechanism of the special-shaped component insertion machine only transports one electronic component to a specified position in one action, which greatly improves the clamping accuracy of the clamping mechanism and reduces the workload of the operator. Only one operator is required for several devices, which reduces labor, greatly reduces the cost of plug-in production, and has strong practicality.

Description

A plug-in machine for special-shaped components

technical field

The invention relates to the technical field of electronic component insertion machines, in particular to a special-shaped component insertion machine.

Background technique

With the rapid development of electronic technology, the use of electronic products is becoming more and more extensive. PCB circuit boards are an important carrier of electronic products, and plug-in machines are processing equipment that insert various electronic components into designated positions on PCB circuit boards. During the processing of the plug-in machine, the electronic components are generally transported to the top of the PCB board by the clamping device for positioning, and then the clamping device moves down to accurately insert the electronic components into the preset pins of the PCB circuit board. In the hole, then the clamping device resets to facilitate the clamping of new electronic components for the next plug-in processing. The inserted electronic components remain on the PCB circuit board and run to the next position together with the PCB circuit board , for operations such as welding reinforcement.

Before the clamping device clamps the electronic components, it needs to rely on the feeding mechanism to send the bulk electronics to the designated position, so as to facilitate the smooth clamping of the clamping device. However, when the existing feeding mechanism transports electronic components, it always transports multiple electronic components to the designated position, and the multiple electronic components are close together, so that the clamping device cannot accurately clamp an electronic component, and the clamping The gripping work of device has brought bigger trouble.

In addition, the material clamping device of the existing plug-in machine generally relies on the mechanical claw to realize the clamping function of the electronic component. However, the force of the mechanical clamp is relatively difficult to control when clamping the electronic component. If the force is too high, it will easily damage the electronic components. This phenomenon is especially obvious for high-precision and easily deformed electronic components, which will lead to a large increase in the scrap rate; The electronic components are detached from the gripper, which affects the normal production of the plug-in machine.

Contents of the invention

The technical problem to be solved by the present invention is to provide a special-shaped component insertion machine that uses air suction instead of mechanical claws to greatly reduce damage to electronic components. The feeding mechanism of the special-shaped component insertion machine only transports one electronic component to a designated position in one action In order to improve the clamping accuracy of the clamping mechanism.

In order to solve the above technical problems, the present invention adopts the following technical solutions: a special-shaped component plug-in machine, including a frame, a vibrating feeder arranged on the frame, a plate feeding mechanism, a feeding mechanism and a head air suction mechanism, and a plate feeding mechanism It includes a lifting platform that is movably arranged on the frame and a plate-feeding guide rail that is arranged on the lifting platform. The frame is provided with a first driving mechanism that drives the lifting platform to move up and down; For the long guide rail of the guide rail fixing seat, the bottom end of the long guide rail is provided with an arc-shaped guide rail, the upper end of the arc-shaped guide rail is docked with the lower end of the long guide rail, and a guide rail bezel is installed above the guide groove of the arc-shaped guide rail; The lower part of the arc-shaped guide rail is provided with a movable feeding slider, and the feeding slider is provided with a groove; it also includes a second drive mechanism for driving the feeding slider to move; the head air suction mechanism includes a The lifting mechanism, the corner mechanism arranged on the frame, the suction rod that can move up and down, and the suction nozzle arranged at the lower end of the suction rod, the upper end of the suction rod is connected with the lifting mechanism; the middle part of the suction rod is provided with an airflow channel, the suction rod is equipped with a connecting sleeve for easy connection to the trachea joint; the corner mechanism includes a bearing seat arranged on the frame, a corner sleeve installed on the bearing seat and a motor that drives the corner sleeve to rotate, and the suction rod movable set in the corner sleeve.

Wherein, the first driving mechanism includes a first pressure cylinder arranged on the frame, and a driving rod of the first pressure cylinder is connected with the lifting platform.

Wherein, the second driving mechanism includes a second pressure cylinder installed on the guide rail fixing seat, the driving rod of the second pressure cylinder is connected with the feeding slider; the tail of the feeding slider is provided with a screw hole, and the first The driving rods of the two pressure cylinders are threadedly connected with the screw holes.

Wherein, a slider pressing plate for supporting the feeding slider is arranged below the feeding slider, and the slider pressing plate is fixedly connected with the arc-shaped guide rail.

Wherein, the lower end of the arc-shaped guide rail is provided with an arc-shaped guide rail cover.

Wherein, a guide rail cover is installed above the guide groove of the long guide rail.

Wherein, the lifting mechanism includes a cylinder base arranged on the frame and a head cylinder installed on the cylinder base, and the upper end of the suction rod is connected with the driving rod of the head cylinder.

Wherein, the connecting sleeve is socketed with the upper end of the suction rod, the lower end of the driving rod of the head cylinder is provided with a floating joint, the upper end of the connecting sleeve is equipped with a connecting head, and the two ends of the floating joint are respectively connected to The lower end of the drive rod of the head and the head cylinder is threaded.

Wherein, the frame is provided with a motor base, the motor is installed on the motor base, the motor is equipped with a driving wheel, and the corner set is provided with a driven wheel, and the driving wheel is connected to the driven wheel through transmission.

Wherein, the side of the driving wheel is provided with a rotation angle sensor, and the driving wheel is equipped with a zero detection piece which rotates synchronously with the driving wheel, and the zero detection piece is provided with a raised positioning detection block.

The beneficial effects of the present invention are: the present invention provides a special-shaped component insertion machine, including a frame, a vibrating feeder arranged on the frame, a plate feeding mechanism, a feeding mechanism and a head air suction mechanism, It includes a lifting platform that is movably arranged on the frame and a plate-feeding guide rail that is arranged on the lifting platform. The frame is provided with a first driving mechanism that drives the lifting platform to move up and down; For the long guide rail of the guide rail fixing seat, the bottom end of the long guide rail is provided with an arc-shaped guide rail, the upper end of the arc-shaped guide rail is docked with the lower end of the long guide rail, and a guide rail bezel is installed above the guide groove of the arc-shaped guide rail; The lower part of the arc-shaped guide rail is provided with a movable feeding slider, and the feeding slider is provided with a groove; it also includes a second drive mechanism for driving the feeding slider to move; the head air suction mechanism includes a The lifting mechanism, the corner mechanism arranged on the frame, the suction rod that can move up and down, and the suction nozzle arranged at the lower end of the suction rod, the upper end of the suction rod is connected with the lifting mechanism; the middle part of the suction rod is provided with an airflow channel, the suction rod is equipped with a connecting sleeve for easy connection to the trachea joint; the corner mechanism includes a bearing seat arranged on the frame, a corner sleeve installed on the bearing seat and a motor that drives the corner sleeve to rotate, and the suction rod movable set in the corner sleeve.

The present invention replaces the mechanical claw with air suction and greatly reduces the damage to the electronic components of the special-shaped component insertion machine. The feeding mechanism of the special-shaped component insertion machine only transports one electronic component to the designated position in one action, which greatly improves the gripping of the clamping mechanism. Accuracy, reduce the workload of the operator, only one operator is needed for several devices, reduce the labor force, greatly reduce the cost of plug-in production, and have strong practicability.

Description of drawings

Fig. 1 is a schematic diagram of the three-dimensional structure of the present invention.

Fig. 2 is a schematic perspective view of the three-dimensional structure of the present invention from another perspective.

Fig. 3 is a schematic perspective view of the three-dimensional structure of the feeding mechanism of the present invention.

Fig. 4 is an exploded schematic view of the three-dimensional structure of the feeding mechanism of the present invention.

Fig. 5 is a schematic perspective view of the head air suction mechanism of the present invention.

Fig. 6 is an exploded schematic view of the three-dimensional structure of the head air suction mechanism of the present invention.

Detailed ways

In order to facilitate the understanding of those skilled in the art, the present invention will be further described below in conjunction with the embodiments and accompanying drawings, and the contents mentioned in the embodiments are not intended to limit the present invention.

As shown in Figures 1 to 6, a special-shaped component insertion machine includes a frame 1, a vibrating feeder 2 arranged on the frame 1, a plate feeding mechanism 3, a feeding mechanism 4 and a head air suction mechanism 5. The plate mechanism 3 includes a lifting platform 31 that is movably arranged on the frame 1 and a plate delivery guide rail 32 that is arranged on the lifting platform 31. The frame 1 is provided with a first driving mechanism that drives the lifting platform 31 to move up and down. The feeding mechanism 4 includes Be arranged on the guide rail fixing base 41 of frame 1 and be arranged on the long guide rail 42 of guide rail fixing base 41, the bottom end of long guide rail 42 is provided with arc guide rail 43, the upper end of this arc guide rail 43 and the lower end of long guide rail 42 The bottom of the arc guide rail 43 is provided with a guide rail bead 44; the bottom of the arc guide rail 43 is provided with a movable feeding slider 45, and the feeding slider 45 is provided with a groove 46; The second driving mechanism that drives the feeding slider 45 to move; the head air suction mechanism 5 includes a lifting mechanism that is arranged on the frame 1, a corner mechanism that is arranged on the frame 1, a suction rod 51 that can move up and down and is arranged on the The suction nozzle 52 at the lower end of the suction rod 51, the upper end of the suction rod 51 is connected with the lifting mechanism; the middle part of the suction rod 51 is provided with an airflow channel, and the suction rod 51 is equipped with a connecting sleeve 53 for easy connection to the trachea joint; The corner mechanism includes a bearing seat 54 arranged on the frame 1 , a corner sleeve 55 mounted on the bearing seat 54 , and a motor 16 for driving the corner sleeve 55 to rotate. The suction rod 51 is movably fitted in the corner sleeve 55 .

In the plug-in processing, the vibrating feeder 2 supplies the bulk electronic components to the feeding mechanism 4, and then the electronic components are sent to the designated position by the feeding mechanism 4, and then the electronic components at the designated position are delivered by the head air suction mechanism 5. Components are sucked onto the suction nozzle 52. At this time, the board feeding mechanism 3 moves the PCB circuit board so that the electronic components adsorbed on the suction nozzle 52 are directly above the insertion position, and the plug-in processing is completed by the head air suction mechanism 5.

During the feeding work, the electronic components are next to each other and enter the guide groove of the arc guide rail 43 along the guide groove of the long guide rail 42. At this time, the electronic components are pressed by the guide rail bead 44 and stay on the arc guide rail. 43 in the guide groove; the feeding slider 45 moves backward under the action of the second driving mechanism, and the groove 46 arranged on the feeding slider 45 also moves backward, when the groove 46 moves to the frontmost electronic When it is directly below the component, the electronic component moves down to be embedded in the groove 46 under the pressing action of the guide rail bead 44; then, the feeding slider 45 moves forward under the action of the driving mechanism to transport the electronic component To the outside of the guide groove of the arc-shaped guide rail 43, so as to facilitate the suction action of the head air suction mechanism 5; after the electronic components are taken away, the feeding slider 45 moves backward under the action of the driving mechanism, so as to perform the next feeding action . In the present invention, the second drive mechanism only transports one electronic component to the designated position in one action, which greatly improves the suction accuracy of the head air suction mechanism 5, reduces the difficulty of suction work, and improves the efficiency of the plug-in machine. Feeding efficiency, thereby improving the production efficiency of PCB circuit boards, the progress is obvious, and the practicability is strong.

When performing plug-in processing, when the electronic components are transported directly below the suction rod 51, then the airflow channel in the middle of the suction rod 51 starts to suck air, and the electronic components are adsorbed on the airflow channel arranged at the lower end of the suction rod 51 under the action of the air flow. on the suction nozzle 52, and then the feeding slider 45 is retracted to facilitate the delivery of the next electronic component, and also to facilitate the next step of insertion, and then the suction rod 51 moves downward under the action of the lifting mechanism to facilitate the insertion Action, after the electronic component is inserted to the designated position, the suction stops, the adsorption force between the electronic component and the suction nozzle 52 disappears, and the suction rod 51 moves upward under the action of the lifting mechanism to facilitate the next plug-in action. The head air suction mechanism 5 of the present invention is simple in structure and stable in suction, greatly reduces the manufacturing cost of the equipment, reduces damage to electronic components, and has strong practicability.

It should be noted that the specific shape of the suction nozzle 52 can be determined according to the specific shape of the electronic component. When the shape of the electronic component that needs to be inserted changes, only the suction nozzle 52 of the corresponding shape and structure needs to be replaced, and there is no need to replace the nozzle. The overall replacement of the internal air suction mechanism 5 reduces the difficulty and cost of refitting.

The bearing seat 54 of this embodiment is provided with a bearing, and the corner sleeve 55 is installed on the inner ring of the bearing. wear and prolong service life.

The first driving mechanism in this embodiment includes a first pressure cylinder 11 disposed on the frame 1 , and a driving rod of the first pressure cylinder 11 is connected to a lifting platform 31 . Lifting table 31 has board-up and board-down functions, and does not need to manually place or close the PCB circuit board.

The second driving mechanism of this embodiment includes a second pressure cylinder 12 installed on the guide rail fixing seat 41, the driving rod of the second pressure cylinder 12 is connected with the feeding slider 45; the tail of the feeding slider 45 is opened There is a screw hole, and the driving rod of the second pressure cylinder 12 is threadedly connected with the screw hole.

A preferred embodiment is that the second pressure cylinder 12 is a pneumatic cylinder. Under the control of air pressure, the driving rod of the second pressure cylinder 12 is extended or retracted, so as to realize the function of the driving mechanism to control the feeding slider 45 to move back and forth. It has the advantages of simple structure, low cost, quick response and convenient maintenance. advantage. Of course, the second pressure cylinder 12 can also be a hydraulic cylinder, which can also achieve the above technical effects.

The lower part of the feeding slider 45 in this embodiment is provided with a slider pressing plate 47 for supporting the feeding slider 45 , and the slider pressing plate 47 is fixedly connected with the arc guide rail 43 so as to facilitate the installation and disassembly of the feeding slider 45 .

The lower end of the arc-shaped guide rail 43 in this embodiment is equipped with an arc-shaped guide rail cover 48, which is used to block the movement of the electronic components that are not located at the front end, and ensure that the feeding slider 45 moves forward under the action of the second driving mechanism. When moving, only one electronic component is in the designated position to be gripped.

In this embodiment, a guide rail cover 49 is installed above the guide groove of the long guide rail 42 . When the electronic component slides in the guide groove of the long guide rail 42, the setting of the guide rail cover 49 effectively avoids the phenomenon that the electronic component turns over, and ensures the smooth feeding of the electronic component.

The lifting mechanism in this embodiment includes a cylinder base 13 arranged on the frame 1 and a head cylinder 14 installed on the cylinder base 13 , and the upper end of the suction rod 51 is connected to the driving rod of the head cylinder 14 . Under the control of the air pressure, the driving rod of the head cylinder 14 extends and retracts, and drives the suction rod 51 to move up and down, so as to realize the upward or downward insertion of the suction nozzle 52 .

In this embodiment, the connecting sleeve 53 is socketed with the upper end of the suction rod 51, the lower end of the driving rod of the head cylinder 14 is provided with a floating joint 56, and the upper end of the connecting sleeve 53 is provided with a connecting head 57, Both ends of the floating joint 56 are threadedly connected with the connecting head 57 and the lower end of the driving rod of the head cylinder 14 respectively. The arrangement of the floating joint 56 can eliminate errors, protect the head cylinder 14, make the equipment run smoothly, and prolong the service life of the equipment.

The frame 1 of the present embodiment is provided with a motor base 15, the motor 16 is installed on the motor base 15, the motor 16 is equipped with a driving wheel 17, the corner sleeve 55 is equipped with a driven wheel 18, and the driving wheel 17 It is connected with driven wheel 18 transmission. Specifically, the driving wheel 17 and the driven wheel 18 are connected by a synchronous belt transmission. The driving wheel 17 rotates under the action of the motor 16, and drives the driven wheel 18 to rotate, so as to realize the steering function of the suction rod 51 and the suction nozzle 52, so as to precisely position the electronic components and the designated positions of the PCB circuit board.

The side of the driving wheel 17 in this embodiment is provided with a corner sensor 19, and the driving wheel 17 is equipped with a zero detection piece 6 which rotates synchronously with the driving wheel 17, and the zero detection piece 6 is provided with a raised positioning Detection block 61. The angle sensor 19 and the zero detection piece 6 are used to detect the rotation angle of the driving wheel 17, so as to monitor and feed back the rotation angle of the suction rod 51 and the suction nozzle 52, further improve the accuracy of the electronic components, and improve the accuracy of the plug-in .

The above embodiment is one of the preferred implementation solutions of the present invention. In addition, the present invention can also be realized in other ways, and any obvious replacements are within the protection scope of the present invention without departing from the concept of the present invention.

Claims (10)

1. A plug-in machine for special-shaped components, including a frame (1), a vibrating feeder (2) installed on the frame (1), a plate feeding mechanism (3), a feeding mechanism (4) and a head air suction mechanism (5), the plate feeding mechanism (3) includes the lifting table (31) which is movably arranged on the frame (1) and the plate feeding guide rail (32) which is arranged on the lifting table (31), and the frame (1) is provided with a driving lift The first driving mechanism for the table (31) to move up and down is characterized in that: the feeding mechanism (4) includes a rail fixing seat (41) set on the frame (1) and a long rail fixing seat (41) The guide rail (42), the bottom end of the long guide rail (42) is provided with an arc guide rail (43), the upper end of the arc guide rail (43) is docked with the lower end of the long guide rail (42), and the arc guide rail (43) A guide rail bead (44) is installed above the guide groove; a movable feeding slider (45) is arranged on the lower part of the arc guide rail (43), and the feeding slider (45) is provided with a groove (46); It also includes a second drive mechanism for driving the movement of the feeding slider (45), the second drive mechanism only transports one electronic component to a designated position in one action; the head air suction mechanism (5) includes a The lifting mechanism of the frame (1), the corner mechanism arranged on the frame (1), the suction rod (51) which can move up and down and the suction nozzle (52) arranged at the lower end of the suction rod (51), the suction rod The upper end of (51) is connected with the lifting mechanism; the middle part of the suction rod (51) is provided with an air flow channel, and the suction rod (51) is equipped with a connecting sleeve (53) for easy connection to the air pipe joint; the corner mechanism includes a setting On the bearing seat (54) of the frame (1), the corner sleeve (55) installed on the bearing seat (54) and the motor (16) that drives the rotation of the corner sleeve (55), the suction rod (51) is movable In the corner sleeve (55). 2. A special-shaped component inserting machine according to claim 1, characterized in that: the first driving mechanism includes a first pressure cylinder (11) arranged on the frame (1), and the first pressure cylinder (11) ) of the drive rod is connected with the lifting platform (31). 3. A special-shaped component insertion machine according to claim 1, characterized in that: the second driving mechanism includes a second pressure cylinder (12) installed on the guide rail fixing seat (41), and the second pressure cylinder The driving rod of (12) is connected with the feeding slider (45); the tail of the feeding slider (45) is provided with a screw hole, and the driving rod of the second pressure cylinder (12) is threadedly connected with the screw hole. 4. A special-shaped component insertion machine according to claim 1, characterized in that: a slider presser plate (47) for supporting the feeding slider (45) is provided under the feeding slider (45), and the slider Block pressing plate (47) is fixedly connected with arc guide rail (43). 5. A special-shaped component insertion machine according to claim 1, characterized in that: an arc guide rail cover (48) is installed at the lower end of the arc guide rail (43). 6. A special-shaped component insertion machine according to claim 1, characterized in that a guide rail cover (49) is installed above the guide groove of the long guide rail (42). 7. A special-shaped component insertion machine according to claim 1, characterized in that: the lifting mechanism includes a cylinder base (13) arranged on the frame (1) and a head installed on the cylinder base (13) For the cylinder (14), the upper end of the suction rod (51) is connected with the driving rod of the head cylinder (14). 8. A special-shaped component insertion machine according to claim 7, characterized in that: the connecting sleeve (53) is socketed with the upper end of the suction rod (51), and the driving rod of the head cylinder (14) The lower end of the connecting sleeve (53) is provided with a floating joint (56), the upper end of the connecting sleeve (53) is equipped with a connecting head (57), and the two ends of the floating joint (56) are connected with the connecting head (57) and the head cylinder (14) The lower end of the drive rod is threaded. 9. A special-shaped component insertion machine according to claim 1, characterized in that: the frame (1) is provided with a motor seat (15), and the motor (16) is mounted on the motor seat (15), The motor (16) is equipped with a driving wheel (17), and the corner sleeve (55) is equipped with a driven wheel (18), and the driving wheel (17) is connected to the driven wheel (18) in transmission. 10. A special-shaped component insertion machine according to claim 9, characterized in that: a corner sensor (19) is provided on the side of the driving wheel (17), and the driving wheel (17) is equipped with a (17) A synchronously rotating zero detection piece (6), the zero detection piece (6) is provided with a raised positioning detection block (61).

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