JPH098496A - Part insertion device - Google Patents

Abstract

PURPOSE: To obtain a part insertion device which is capable of holding an electronic part in a correct posture. CONSTITUTION: A part insertion device is equipped with an attitude correcting means 50 which is pressed against a part W positioned at a set position and is rotated while being pressed against the part W to correct it on posture and a holding means 60 which is closed to hold the part W corrected on posture.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is to insert a part for holding a part positioned at a set position of the part and transferring it to a predetermined part to insert an insertion part of the part into a hole of the predetermined part. It relates to the device.

[0002]

2. Description of the Related Art As a component, for example, when an electronic component with a lead is mounted on a printed circuit board, the electronic component with the lead is mounted on a printed circuit board at an assembly position from a supply unit containing the electronic component with the lead. And the lead is inserted into a hole at a predetermined portion of the printed circuit board. FIG. 11 shows an example of the supply unit, in which a plurality of electronic components W are conveyed to the supply unit 1 in the direction of the arrow X at predetermined intervals. As shown in FIGS. 11 and 12, the lead L of each electronic component W has a taping T
Is adhered and held by. These electronic components W
Are sequentially positioned and held at the supply points P one by one. The work W positioned at the supply point P is chucked by a component insertion device (not shown) and sent to the printed circuit board side.

FIG. 13 shows another supply unit 2, on which work W is arranged in a matrix. The work W is an electronic component having various shapes such as a square, a rectangle, and a round, and has a lead L. Work W positioned at supply point P1
Is chucked by a component insertion device (not shown),
It is designed to be sent to the printed circuit board side. The lead L is fitted in the groove 3 of the tray (pallet) 2.

[0004]

However, in the supply unit 1 shown in FIG. 12, the lead L of the electronic component W may be bent, and the center line CL of the work W faces in a direction different from the direction of the lead L. Sometimes. Electronic component W
The tilting of the center line CL of is referred to as the tilting of parts. FIG.
In the supply unit 2 of No. 4, the lead L of the electronic component W has the groove 3
The electronic component W may be slanted, and the electronic component W may be slanted. The inclination of the electronic component W is referred to as the inclination of the electronic component. FIG. 15 shows an example of conventional movement of an electronic component and insertion of a lead of an electronic component. In FIG. 15, when the insertion operation of the electronic component is started, the head for grasping the electronic component descends,
For example, it is confirmed whether or not there is an electronic component W at the supply point P in FIG. If there are electronic components, electronic components W
Grab the chuck to close and lift the head. Then, the head moves to the insertion point of the electronic component, and the head descends. Then the chuck of the head opens and the electronic parts are released. When it is confirmed that the lead L of the electronic component W is inserted into, for example, the hole of the printed board, the component is further inserted.

In the component inserting operation of FIG. 15, the electronic component W of FIG. 12 is tilted and the electronic component W of FIG. 14 is tilted as described above, and the electronic component W at the supply point P of FIG. When the posture of the component is not correct or the posture of the electronic component W at the supply point P1 of FIG. 13 is not correct, the chuck of the head chucks the electronic component in the incorrect posture to target the target portion such as a printed circuit board. I will carry it to my side. Therefore, if you try to insert the lead of the electronic component that is not in the correct posture into the hole of the printed circuit board, the lead cannot be inserted into the hole because the lead is inclined with respect to the hole, and the lead is bent further. I will end up. Therefore, the expensive electronic component becomes unusable. In addition, it causes a stoppage, which reduces productivity. Therefore, the present invention has been made to solve the above problems, and an object of the present invention is to provide a component insertion device that can hold an electronic component in a correct posture.

[0006]

SUMMARY OF THE INVENTION In order to achieve the above object, according to the invention of claim 1, the part positioned at the set position of the part is held and moved to a predetermined portion to set the insertion part of the part to a predetermined position. In the part insertion device for inserting into the hole of the part of
The posture correction means of the component for correcting the posture of the component by pressing against the component located at the set position of the component and rotating while being pressed against the component, and correcting the posture by closing the posture. And a holding means for holding the formed component. In the invention of claim 2, preferably, the posture correcting means for the component is configured to rotate the pressing member and the posture of the component by pressing the pressing member to be pressed against the component located at the set position of the component. Rotational driving means for straightening and biasing means for biasing the component whose posture is corrected to insert the insertion part of the component into a hole of a predetermined portion.
In the invention of claim 3, the holding means is preferably a first chuck claw and a second chuck claw, and an opening / closing operation means for opening and closing the first chuck claw and the second chuck claw. Equipped with. In the invention of claim 4, the insertion portion of the component is preferably a lead.

[0007]

According to the first aspect of the present invention, when the component positioned at the component setting position is held, and the component is moved to a predetermined part and inserted, the posture correcting means is positioned at the component setting position. Rotates while being pressed against the part that is in contact with it. Thereby, the posture correcting means corrects the posture of the component. Then, the holding means is closed to hold the component whose posture is corrected. In this way, the holding means can hold the component in the correct posture. Therefore, the insertion part of the electronic component held by the holding means in the correct posture can be correctly inserted into the hole of the predetermined portion. According to the invention of claim 2, the pressing member of the correction means is pressed against the component located at the set position of the component. In this state, the pressing member is rotated by the action of the rotation driving means to correct the posture of the component. Then, the biasing means urges the insertion portion of the posture-corrected component into the hole of the predetermined portion. According to the invention of claim 3, the component is held by closing the first chuck claw and the second chuck claw of the holding means, and the component is held by opening the first chuck claw and the second chuck claw. Open. According to the invention of claim 4, the lead, which is the insertion portion of the component, can be correctly inserted into the hole of the predetermined portion.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A preferred embodiment of the present invention will be described in detail below with reference to the accompanying drawings. Note that the embodiments described below are
Since it is a preferred specific example of the present invention, various technically preferable limitations are attached, but the scope of the present invention is, unless otherwise stated to limit the present invention, in the following description.
It is not limited to these modes. 1 to 4
Shows a preferred embodiment of the component insertion device of the present invention. 1 to 4, the component insertion device includes a frame unit 10, a conveyor unit 12, an XY robot 14, a head 16, a backup unit and a clincher 18, an operation panel 20, a supply base 22, a supply unit 24, a safety cover 26, and the like. have. The frame unit 10 holds the conveyor unit 12, the supply base 22, the XY robot 14, the safety cover 26, and the like. The safety cover 26 protects the XY robot 14, the head 16, the backup unit and clincher 18, the conveyor unit 12, the supply base 22, and the like, and is preferably a transparent body. The head 16 has a chuck unit 30.

The XY robot 14 of FIG. 1 has a guide 40 and a guide 44. The feed screw 40b of the motor 40a meshes with the nut of the head 16. A motor 40a for driving the guide 40 can position the head 16 by moving the head 16 along the guide 40 in the arrow X direction. The motor 44a of the guide 44 has a feed screw 44b. The feed screw 44b meshes with the nut of the guide 40. Therefore, by driving the motor 44a, the guide 40 and the head 16 can be moved and positioned in the arrow Y direction.

5 and 6 show the chuck unit 30. The chuck unit 30 includes a component posture correcting means 50 and a component holding means 60. As shown in FIG. 7, the component attitude correcting means 50 is a component supply point S.
It is a means for correcting the posture of the electronic component W positioned at P. The holding means 60 is a means for clamping or holding the electronic component W whose posture is corrected by the posture correcting means 50 of this component as shown in FIG. 8 as shown in FIG. As shown in FIGS. 5, 6 and 7, the component posture correcting means 50 includes a pusher rod 51 as a pressing member, a spring 52 as a biasing means, and a rotation driving means for rotating the pusher rod 51. 53 and so on. The pusher rod 51 is a rotary drive means 5.
3 allows rotation in the direction of arrow R as shown in FIG. Further, the pusher rod 51 is provided with the operating means 80.
By this, it is possible to move vertically in the Z direction for positioning. The contact portion 54 of the pusher rod 51 is, for example, a disk-shaped member, and when the contact portion 54 is pressed against the upper portion of the electronic component W, the spring 52 attaches the pusher rod 51 to the upper portion of the electronic component W. It has become a force. The holding means 60 includes a first chuck claw 61 and a second chuck claw 6
2 and an opening / closing cylinder 63 as opening / closing operation means. First chuck claw 61 and second chuck claw 62
Are arranged at opposite positions, and the opening / closing cylinder 6
By the operation of No. 3, they move in the directions facing each other, and
As shown in, it is possible to clamp or hold the posture-corrected electronic component W. Further, by operating the opening / closing cylinder 63 in the opposite direction, the first chuck claw 61 and the second chuck claw 62 can be opened in opposite directions to release the electronic component.

Next, the operation of the insertion device of the above-mentioned portion of the present invention will be described. The electronic component W is, for example, an electrolytic capacitor, and the electronic component W has a lead L. The lead L of the electronic component W is adhesively held by the taping T at the supply point SP of the supply unit SU, which is a component setting site. In this case, if the electronic component W is bent at the lead L and the center line CL of the electronic component W is in a direction different from the direction of the lead L, that is, the posture of the electronic component W is incorrect and the posture falls. There is a case. Even in such a case, by the component insertion operation as shown in FIG. 10, the electronic component W of FIG. 7 is moved to the next position with respect to the hole of the printed circuit board positioned on the conveyor unit 12 side of FIG. It can be securely inserted in a manner such as.

In FIG. 10, when the insertion operation of the electronic component is started, the motor M of FIG. 1 causes the head 16 of FIG. 1 to descend along the arrow Z direction. (Step S1) When the head 16 descends, as shown in FIG. 7, the first chuck claw 61 and the second chuck claw 62 are completely open. Therefore, the tilted electronic component W is positioned between the first chuck claw 61 and the second chuck claw 62. If the contact portion 53 of the pusher rod 51 is lower than the upper end of the electronic component by a stroke amount that can be detected by the sensor 70, the sensor 70 detects the presence or absence of the electronic component W (step S2). Then, the head 16 is raised again (step S3).
Then, if there is the electronic component W, the rotation driving means 53 is activated and the pusher rod 51 is moved to the arrow R as shown in FIG.
Rotate in the direction. As a result, the upper portion of the electronic component W comes into close contact with the contact portion 54, and the posture of the electronic component W is corrected. That is, the center line CL of the electronic component W and the lead L are located on a substantially straight line (step S
4).

The opening / closing cylinder 63 of FIG. 5 operates in a state where the posture of the electronic component W is corrected as shown in FIG. As a result, the first chuck claw 61 and the second chuck claw 6 of FIG.
Since the two are closed in the opposite direction, the electronic component W has the first chuck claw 61 and the second chuck claw 6 as shown in FIG.
It is clamped or held by 2 (step S5). In this state, the upper portion of the electronic component W is held by the contact portion 54 of the pusher rod 51, and the electronic component W
One part and the other part are held by the first chuck claw 61 and the second chuck claw 62. The head 16 having the chuck unit 30 holding the electronic component W in the correct posture as shown in FIG. 9 moves upward in the arrow Z direction.
(Step S6) Next, as shown in step S7 of FIG. 10, the head 16 is appropriately moved in the X direction and the Y direction of FIG. 1 to be moved to the hole H at a predetermined portion of the printed circuit board PP.
Then, the head 16 is lowered corresponding to the hole H of the predetermined portion (step S8), and the tip of the lead L of the electronic portion W is made to correspond to the hole H. When the position of the tip of each lead L and the position of the hole H are aligned in this way, the first chuck claw 61 and the second chuck claw 62 of FIG. 9 are opened again in the directions of separating from each other, and the electronic component W is separated. (Step S9). Spring 5
The tip of the lead L is inserted into the hole H by the force of 2. The sensor 70 detects whether the tip of the lead L is inserted into the hole H.
Is turned on to confirm (step S10). Then, the pneumatic actuator (not shown) is activated to completely insert the lead L of the electronic component W into the hole H of the printed board PP (step S12). When the lead L cannot be confirmed to be inserted (step S10), the insertion of the lead of the electronic component into the hole of the printed circuit board is tried again (step S1).
1). When the lead L is completely inserted into the hole H, the lead L is bent outward or inward by the clincher 18b and fixed to the printed circuit board PP, as shown in FIG. The backup pin 18a is for correcting the warp of the printed circuit board PP. After correcting the warp of the printed circuit board PP, the lead L is bent by the clincher 18.

By repeating the component insertion operation process as shown in FIG. 10, a plurality of electronic components W can be sequentially inserted into the holes at predetermined positions of the printed circuit board which is the object. As described above, in the embodiment of the present invention, when the lead L of the electronic component W and the center line CL of the electronic component are inclined at the component supply point SP as shown in FIG. To correct. Then, the corrected lead L of the electronic component W can be accurately inserted into the hole of the object in a correct posture. Therefore, it is possible to improve the probability of inserting the electronic component and eliminate the inconvenience of defective insertion of the expensive electronic component. In the embodiment of the present invention, an example of correcting the posture of the electrolytic capacitor W, which is a cylindrical or columnar component, is described, but the present invention is not limited to this, and the posture of the tilted electronic component may be changed as shown in FIG. Of course, it is also possible to correct and insert it into a printed circuit board, which is the object, in a correct posture and attach it. In the embodiments of the present invention, an electronic component is given as an example of the component, but the present invention is not limited to this, and even when the posture of a component used in another field is corrected, the component insertion device of the present invention is used. Applicable. As described above, according to the present invention, the probability of inserting an electronic component with a lead is improved, an expensive electronic component is not wastefully discarded, and the insertion operation rate of the electronic component can be significantly improved.

[0015]

As described above, the electronic component can be held in the correct posture.

[Brief description of drawings]

FIG. 1 is a perspective view showing a preferred embodiment of a component insertion device of the present invention.

2 is a front view of the insertion device of FIG. 1. FIG.

3 is a side view of the insertion device of FIG.

FIG. 4 is a plan view of the insertion device of FIG.

5 is a side view showing a chuck unit of the head of the insertion device of FIG.

6 is a front view of the chuck unit shown in FIG.

FIG. 7 is a diagram showing an example of an electronic component having a poor structure and posture of the chuck unit shown in FIG.

8 is a diagram showing a state in which the posture of the electronic component of FIG. 7 is corrected.

9 is a diagram showing a state in which the electronic component whose posture is corrected in FIG. 8 is held.

FIG. 10 is a diagram showing an example of a component inserting operation in the embodiment of the present invention.

FIG. 11 is a diagram showing an example of a component supply unit of a radial taping system which is normally used.

FIG. 12 is a view showing a state where one electronic component in the radial taping supply unit of FIG. 11 is tilted.

FIG. 13 is a perspective view showing another commonly used supply unit (tray unit).

FIG. 14 is a perspective view showing an example of inclination of parts in the supply unit of FIG.

FIG. 15 is a view showing an example of a conventional component insertion operation.

[Explanation of symbols]

 50 Parts posture correcting means 51 Pusher rod (pressing member) 52 Spring (biasing means) 53 Rotation driving means 60 Component holding means 61 First chuck claw 62 Second chuck claw 63 Opening / closing cylinder (opening / closing operation means) L Leads of electronic parts SP Supply points of parts (set parts of parts) W Electronic parts (parts) PP Printed circuit boards (predetermined parts) H holes (holes of predetermined parts)

Claims (4)

[Claims] 1. A component setting device for holding a component positioned at a component setting position, transferring the component to a predetermined site, and inserting an insertion portion of the component into a hole of the predetermined site, Position correction means for correcting the attitude of the part by pressing against the part located at the position and rotating while being pressed against the part, and the part whose position is corrected by closing And a holding means for holding the component insertion device. 2. The posture correcting means for a component is a pressing member that is pressed against the component positioned at the setting position of the component, and a rotation driving means for correcting the posture of the component by rotating the pressing member. And a biasing means for biasing the component whose posture is corrected to insert the insertion portion of the component into a hole at a predetermined portion.
The device for inserting the parts described in. 3. The holding means comprises a first chuck claw and a second chuck claw, and an opening / closing operation means for opening and closing the first chuck claw and the second chuck claw. Device for inserting parts. 4. The component insertion device according to claim 1, wherein the component insertion portion is a lead.