JP4661796B2 - Component mounting apparatus and work head mounting method - Google Patents

Description

  The present invention relates to a component mounting apparatus that performs a predetermined operation with a work head on a substrate positioned by a board conveyance path, and a method for attaching the work head.

The component mounting apparatus includes a board conveyance path, a movement stage that is moved relative to the board positioned by the board conveyance path, and a work head that is attached to the movement stage and performs a required operation on the board. The working head is detachable from the moving stage, but the working head is attached to the moving stage by positioning the working head with a positioning pin with respect to the moving stage and screwing it (Patent Document 1). . Alternatively, after the lower end of the work head is locked to the locking part provided on the moving stage, the work head is swung around the locking part as a fulcrum, and a part of the work head is fitted on the moving stage side. (Patent Document 2). After the work head is attached to the moving stage, the work head side is connected to connect wiring and piping for supplying power, signals, air, etc. from the main body side (moving stage side) of the component mounting apparatus to the work head side. The connector (head side connector) and the movable stage side connector (stage side connector) must be connected (fitted).
Japanese Utility Model Publication No. 1-108999 JP 2004-221518 A

  However, since the connection work of the connector had to be performed separately from the work work of attaching the work head to the moving stage, the workability is reduced correspondingly, and there is a possibility that the connector may be damaged due to a mistake in the connection work of the connector. was there.

  Therefore, the present invention can improve the workability of the work head mounting work to the moving stage including the head side connector and stage side connector connection work, and can prevent damage to the connector due to work mistakes. And it aims at providing the attachment method of a working head.

  The component mounting apparatus according to claim 1 is a substrate transfer path, a moving stage that is relatively moved with respect to the board positioned by the board transfer path, and a detachably attached to the moving stage, and performs a required operation on the board. The moving stage has a positioning unit for positioning the working head in the vertical direction with respect to the moving stage by bringing the lower end of the working head into contact with the moving stage, and the moving stage. The work head that has been positioned in the direction is swung to the moving stage side with the contact part with the positioning part as a fulcrum, and the work head is moved to the moving stage in a state where the facing surfaces of the working head and the moving stage are in contact with each other. A fixing device for fixing, and a stage-side connector that engages with the head-side connector of the work head by swinging the work head toward the moving stage. And a Kuta.

According to a second aspect of the present invention, there is provided a work head mounting method comprising: a substrate transport path; a moving stage that is relatively moved with respect to the substrate positioned by the substrate transport path; In a component mounting apparatus having a work head for performing work, the work head is attached to a movable stage by attaching the work head to a movable stage, and the work head is brought into contact with a positioning portion provided on the movable stage. A positioning step for positioning the head with respect to the moving stage in a vertical direction, and the work head positioned with respect to the moving stage is swung toward the moving stage with a contact portion with the positioning portion as a fulcrum, and the working head and the moving stage The swinging process of bringing the opposing surfaces into contact with each other and the opposing surfaces of the work head and the moving stage are in contact with each other. And a fixing step of fixing the work head to the moving stage in a state where the work head is engaged, and the head-side connector of the work head is engaged with the stage-side connector of the moving stage by the operation of swinging the work head in the swinging step toward the moving stage. .

  In the present invention, the lower end portion of the work head is brought into contact with the positioning portion of the moving stage to position the work head in the vertical direction with respect to the moving stage, and then the working head is moved with the contact portion with the positioning portion as a fulcrum. The work head is fixed to the moving stage with the working head and the moving stage facing each other, and the work head is attached to the moving stage. The head-side connector is fitted to the stage-side connector by the swinging operation. For this reason, it is not necessary to perform the work of connecting both connectors separately from the work of attaching the work head to the moving stage, so that workability is improved and the connector is not damaged due to work mistakes. Also, never forget to connect the connector after attaching the working head.

  Embodiments of the present invention will be described below with reference to the drawings. 1 is a perspective view of a component mounting apparatus according to an embodiment of the present invention, FIG. 2A is a plan view of a working head according to an embodiment of the present invention, and FIG. 2B is a front view of the working head. 3 and 4 are cross-sectional perspective views of the working head and the moving stage according to the embodiment of the present invention. FIGS. 5, 6, 7, 8, and 9 are working heads according to the embodiment of the present invention. It is a side view of a working head and a movement stage which show a procedure which attaches to a movement stage.

  In FIG. 1, the component mounting apparatus 1 has a substrate transport path 3 extending in one horizontal direction (X-axis direction) on a base 2, and a Y-axis table 4 is disposed above the substrate transport path 3. It extends in the horizontal direction (Y-axis direction) orthogonal to the conveyance path 3. One end side of each of two X-axis tables 5 extending in the X-axis direction is supported on the Y-axis table 4, and each X-axis table 5 is movable in the Y-axis direction along the Y-axis table 4 in a cantilever state. It has become. Each X-axis table 5 is provided with a moving stage 6 that is movable in the X-axis direction along the X-axis table 5, and each moving stage 6 is provided with a work device 7 having a plurality of nozzles 7 a extending downward. The work head 8 holding the head is detachably attached. Further, a plurality of parts feeders 9 extending in the Y-axis direction are attached to both sides of the substrate transport path 3 of the base 2 so as to be aligned in the X-axis direction.

  The substrate transport path 3 positions the substrate 10 at a predetermined position, and each part feeder 9 supplies a component (electronic component) to a predetermined pickup position. The moving stage 6 moves relative to the substrate 10 positioned on the substrate transport path 3 by the movement of the X-axis table 5 in the Y-axis direction and the movement of the moving stage 6 itself in the X-axis direction. The components supplied by the parts feeder 9 are picked up by the nozzles 7 a included in the apparatus and mounted on the substrate 10.

  Here, the working device 7 performs a required work on the substrate 10 positioned in the substrate transport path 3. In this embodiment, the working device 7 is a nozzle device including eight nozzles 7. If the work content is application of an adhesive, the adhesive application device is the work device, and if the work content for the substrate 10 is a confirmation inspection of a component mounted on the substrate 10, the camera device is the work device in that case.

Next, a configuration for attaching the work head 8 to the moving stage 6 will be described with reference to FIGS. 2, 3 and 4. 3 is a view as seen from an arrow III-III in FIG. 2B, and FIG. 4 is a view as seen from an arrow IV-IV in FIG. 2B (however, the working head 8 is not shown). (Illustrated).

  First, the moving stage 6 will be described. The moving stage 6 has a base plate 20 that extends in the vertical direction, a guide member 21 that extends in the vertical direction on both the left and right sides of the base plate 20, and a positioning member 22 that extends in the X-axis direction at the lower end of the base plate 20. is doing. The rear surface of the base plate 20 (the surface on the X-axis table 5 side) is located above the upper and lower sliders 23a and 23b and the upper slider 23a fitted to two parallel horizontal rails 5a and 5b provided on the X-axis table 5. A horizontal portion 24 extending horizontally is provided, and a fixing device 25 for fixing the work head 8 to the moving stage 6 is provided on the upper surface of the horizontal portion 24.

  As shown in FIG. 4, on the inner side surfaces of the guide members 21 provided on the left and right sides of the base plate 20, there are a main guide portion 26a extending in the vertical direction and an opening portion 26b provided at the upper end portion of the main guide portion 26a. A guide groove 26 having a curved portion 26c provided at the lower end portion of the main guide portion 26a and a pocket portion 26d provided at an intermediate portion of the main guide portion 26a is formed. The guide grooves 26 are provided symmetrically in the left and right guide members 21, and the opening 26 b in each guide groove 26 extends from the back side (X-axis table 5 side) to the front side (work head 8 side) of the base plate 20. It has the inclined surface 26e which inclines below toward the top, and has the shape opened to the upper side and the back side. The curved portion 26 c is curved toward the back side of the base plate 20, and the pocket portion 26 d protrudes toward the back side of the base plate 20.

  3 and 5 (see also FIG. 9 described later), the fixing device 25 includes a first support member 25a erected on the upper end portion of the base plate 20, and an intermediate portion on the upper end portion of the first support member 25a. An L-shaped locking member 25b that is pivotally supported and extends forward and upward, a link member 25c whose front end is pivotally supported by a portion extending upward of the locking member 25b, and a rear side of the first support member 25d The second support member 25d erected on the horizontal portion 24, and an L-shaped lever member 25e having an intermediate portion pivotally supported by the second support member 25d and extending forward and upward. The portion extending forward of the lever member 25e is pivotally supported by the rear end portion of the link member 25c, and the portion extending above the lever member 25e (referred to as the operation portion 25f) is tilted in the front-rear direction of the moving stage 6. Then, a portion (referred to as a locking portion 25g) extending forward of the locking member 25b via the link member 25c swings up and down above the base plate 20.

  In the fixing device 25, in a state where the operation portion 25f is tilted to the vertical locked position (FIGS. 3 and 9), the portion extending forward of the lever member 25e and the link member 25c extend in a straight line to form the first. Since it stretches between the support member 25a and the second support member 25d, the locking portion 25g is locked in a state of swinging downward. On the other hand, when the operating portion 25f is tilted backward from the locked position (FIG. 5), the portion extending forward of the lever member 25e swings upward, the lock is released, and the locking portion 25g swings upward. It will be in the state.

  The working head 8 includes a base member 30 that extends in the vertical direction and includes the working device 7 on the front side, and three protrusions that protrude outward from the left and right side surfaces 31a of the base member 30 (upper protrusions in order from the top). 32a, middle step protrusion 32b, and lower step protrusion 32c). A notch 33 extending in the vertical direction is provided at the upper part of both side portions of the base member 30, and the lower end 34 of the base member 30 is formed in a wedge shape that is pointed downward.

In the working head 8, the upper projection 32 a, the middle projection 32 b, and the lower projection 32 c are accommodated in the guide groove 26, and the tapered surface 24 a provided on the lower end portion 24 of the base member 30 contacts the tapered surface 22 a of the positioning member 22. (Refer to the enlarged view shown in FIG. 7 described later) The rear surface 31b of the base member 30 contacts the front surface 20a of the base plate 20 of the moving stage 6 (see FIG. 8 described later), and one notch of the base member 30 is formed. The locking portion 25g of the fixing device 25 is locked to the portion 33 and is attached to the moving stage 6. At this time, the upper projection 32 a enters the pocket portion 26 d of the guide groove 26, and the middle projection 32 b and the lower projection 32 c enter the curved portion 26 c of the guide groove 26.

  A head-side connector 35 is provided on the upper surface of the rear surface 31b of the base member 30 of the work head 8 so as to extend rearward. A plate-side connector 27 is provided on the upper surface of the horizontal portion 24 of the moving stage 6 so as to extend rearward. ing. In a state where the working head 8 is attached to the movable stage 6, the plurality of male terminals 35a of the head side connector 35 and the plurality of female terminals 27a of the stage side connector 27 are fitted, and both the connectors 35 and 27 are connected. It has become a state. These connectors 35 and 37 are wiring, piping (not shown), etc. for supplying electric power, signals, air, etc. from the main body side (moving stage 6 side) of the component mounting apparatus 1 to the work head 8 side. Is for connecting.

  Here, the plurality of male terminals 35 a of the head-side connector 35 and the plurality of female terminals 27 a of the stage-side connector 27 are all formed between the lower end portion 34 (of the base member 30) of the working head 8 and the positioning member 22 of the moving stage 6. Centered on the contact portion P (the contact portion P is a contact surface between the tapered surface 34a of the lower end portion 34 of the base member 30 and the tapered surface 22a of the positioning member, and extends in the direction in which the positioning member 22 extends). The male terminal 35a and the female terminal 27a to be fitted are provided on the same arc C1, C2.

  Next, a procedure for attaching the work head 8 to the moving stage 6 will be described with reference to FIGS. 5 to 9 (the fixing device 25 is not shown in FIGS. 6, 7 and 8). To attach the work head 8 to the moving stage 6, first, as shown in FIG. 5, the work head 8 is grasped by hand and lifted above the moving stage 6, and the lower end 34 of the base member 30 of the work head 8 moves. The entire work head 8 is tilted so that the upper end portion of the base member 30 is positioned above the base plate 30 of the stage 6 and the upper end portion of the base member 30 is positioned above the horizontal portion 24 of the moving stage 6. Then, the left and right lower protrusions 32c of the work head 8 are inserted into the respective openings 26b of the left and right guide members 21 (arrow A shown in FIG. 5), and the lower protrusion 32c is mainly formed using the inclined surface 26e of the guide groove 26. It inserts in the guide part 26a (insertion process).

  When the left and right lower projections 32c of the work head 8 are inserted into the main guide portions 26a of the left and right guide members 21, the entire work head 8 is raised as shown by an arrow B in FIG. As a result, the lower projection 32c moves downward in the main guide portion 26a of the guide member 21, and the middle projection 32b and the upper projection 32a also enter the main guide portion 26a from the opening 26b and are then guided by the main guide portion 26a. Move downward. As a result, the entire work head 8 is guided by the left and right guide members 21 and slides downward (arrow C shown in FIG. 6 and arrow D shown in 7). And when the taper surface 34a provided in the lower end part 34 of the working head 8 contacts the taper surface 22a of the positioning member 22 provided in the lower end part of the moving stage 6 from above (enlarged view shown in FIG. 7). The vertical positioning of the work head 8 with respect to the moving stage 6 is performed (positioning step).

  When the working head 8 is positioned in the vertical direction with respect to the moving stage 6, the center of gravity G (FIG. 7) of the entire working head 8 is in contact with the lower end portion 34 of the working head 8 and the positioning member 22 of the moving stage 6. Since the work head 8 is in front of the vertical plane PL including the contact portion P (on the front side of the moving stage 6), the work head 8 has a posture in which the upper part is inclined forward as shown in FIG. In this state, the lower projection 32c and the middle projection 32b of the work head 8 both enter the curved portion 26c of the guide groove 26, and the upper projection 32a is located at a position facing the pocket portion 26d in the main guide portion 26a. positioned.

  When the vertical positioning of the work head 8 with respect to the moving stage 6 is performed as described above, the work head 30 is moved by pulling the upper part of the work head 8 toward the moving stage 6 as shown by an arrow E in FIG. The movable member 6 is swung toward the moving stage 6 with the contact portion P with the positioning member 22 as a fulcrum (swing step). As a result, the opposing surfaces of the working head 8 and the moving stage 6 (the rear surface 31b of the base member 30 and the front surface 20a of the base plate 20 of the moving stage 6) come into contact with each other, and the upper protrusion 32a of the working head 8 is the pocket of the guide groove 26. It goes into the part 26d. Then, by the swinging operation of the work head 8 in this swinging process, the male terminal 35a of the head side connector 35 is fitted with the female terminal 27a of the stage side connector 27, and both the connectors 35 and 27 are connected.

  Here, as described above, when the work head 8 is swung toward the moving stage 6, the upper protrusion 32 a of the work head 8 enters the pocket portion 26 d of the guide groove 26. It is only when it is normally inserted into the guide member 21 of the stage 6 and the lower end portion 34 of the work head 8 is securely in contact with the positioning member 22 of the moving stage 6. When the work head 8 is not normally inserted into the guide member 21 and the lower end of the work head 8 is not in contact with the positioning member 22, the upper protrusion 32 a of the work head 8 does not enter the pocket portion 26 d of the guide groove 26. The working head 8 cannot be swung to the moving stage 6 side. That is, the upper projection 32a of the work head 8 and the pocket portion 26d of the guide groove 26 serve as an attachment error prevention device that prevents the work head 8 from being attached to the moving stage 6 at an abnormal position.

  When the facing surfaces of the work head 8 and the movable stage 6 come into contact with each other by the above-described swinging process, the operation unit 25f of the fixing device 25 is tilted and operated in the locked position while maintaining this state (the arrow shown in FIG. 9). F) The locking portion 25g is locked in a state of swinging downward. As a result, the locking portion 25 a is locked to the notch 33 of the work head 8, and the work head 8 is positioned by the positioning member 22 of the moving stage 6, the left and right guide members 21, and the front surface 20 a of the base plate 20. Thus, the moving stage 6 is fixed (fixing step).

  As described above, in the component mounting apparatus 1 according to the present embodiment, when the work head 8 is inserted from above the guide member 21 provided on the moving stage 6, the work head 8 slides downward along the guide member 21. The lower end portion 34 abuts on a positioning portion (positioning member 22) provided on the moving stage 6, and the vertical positioning with respect to the moving stage 6 is performed. Then, when the working head 8 is positioned with respect to the moving stage 6, the fixing device 25 is operated to lock the locking portion 25 g of the locking member 25 b to the working head 8. 6 can be fixed. For this reason, in the component mounting apparatus 1, the work head 8 is moved even when the operator cannot see the front side of the work head 8 or when there is not enough space on the front side of the moving stage 6. It can be quickly and easily attached to the stage 6.

  In the component mounting apparatus 1 according to the present embodiment, the lower end portion 34 of the work head 8 is brought into contact with the positioning portion (positioning member 22) of the moving stage 6 to perform the vertical positioning of the working head 8 with respect to the moving stage 6. Thereafter, the work head 8 is swung to the moving stage 6 side with the contact part with the positioning part as a fulcrum, and the work head 8 is moved in a state where the opposing surfaces of the work head 8 and the moving stage 6 are in contact with each other. The work head 8 is fixed to the stage 6 and attached to the moving stage 6, and the head side connector 35 is fitted to the stage side connector 27 by swinging the work head 8 toward the moving stage 6. . For this reason, it is not necessary to perform the work of connecting the connectors 35 and 27 separately from the work of attaching the work head 8 to the movable stage 6, which improves workability and may damage both the connectors 35 and 27 due to work mistakes. Nor. In addition, the connector connection work is not forgotten after the work head 8 is attached.

  Here, the swing angle of the swing operation performed after the vertical positioning of the work head 8 with respect to the movable stage 6 is at a minimum. The swing angle of the head side connector 37 necessary for fitting the head side connector 37 to the stage side connector 27 is minimal. Although it is necessary to set the angle at which the movement distance can be secured, the minimum swing angle can be reduced as the connectors 37 and 27 are located farther from the contact portion P. This is because the central angle becomes smaller as the radius becomes larger if the lengths of the fan-shaped arcs are the same. However, if the swing angle can be kept small, it is inserted into the guide member 21. The amount of protrusion of the work head 8 to the front of the moving stage 6 is reduced when the work head 8 has its lower end 34 brought into contact with the positioning member 22 and the upper part is tilted forward (the state shown in FIG. 7). As a result, the work head 8 can be easily attached in a narrow space.

  The work head 8 may be removed from the moving stage 6 by a procedure reverse to the procedure for attaching the working head 8 to the moving stage 6 described above. That is, when the operation portion 25f of the fixing device 25 in the locked position is tilted in the direction opposite to the arrow F shown in FIG. 9, the locked state of the locking portion 25g is released and swings upward. Accordingly, the fixing of the work head 8 to the moving stage 6 is also released. When the upper portion of the work head 8 is pressed away from the moving stage 6 from this state, the work head 8 swings around the contact portion P with the positioning member 22 as a fulcrum and assumes the forward leaning posture shown in FIG. As a result, the upper projection 32a of the work head 8 that has been in the pocket portion 26d of the guide groove 26 moves into the main guide 26a, so that if the work head 8 is moved upward as it is, the work head 8 Since the three protrusions 32a, 32b, and 32c are guided by the guide groove 26 and move upward, the work head 8 can be pulled out from the guide portion 21 upward. Thereby, the removal of the working head 8 from the moving stage 6 is completed.

  Although the embodiments of the present invention have been described so far, the present invention is not limited to those shown in the above-described embodiments. For example, in the above-described embodiment, the work head 8 is inserted into the guide member 21 provided on the moving plate 6 from above, and the work head 8 is slid downward by the guide member 21, thereby lowering the lower end 34 of the work head 8. However, the working head 8 is directly brought into contact with the positioning portion of the moving plate 6 without using the guide member 21. Also good.

  The workability of the work head mounting work to the moving stage including the work of connecting the head side connector and the stage side connector can be improved, and the connector can be prevented from being damaged due to a work mistake.

The perspective view of the component mounting apparatus in one embodiment of this invention (A) is a top view of the working head in one embodiment of the present invention (b) is a front view of the working head Sectional perspective view of a working head and a moving stage in one embodiment of the present invention The cross-sectional perspective view of the working head in one embodiment of this invention The side view of the working head and moving stage which show the procedure which attaches the working head to the moving stage in one embodiment of this invention The side view of the working head and moving stage which show the procedure which attaches the working head to the moving stage in one embodiment of this invention The side view of the working head and moving stage which show the procedure which attaches the working head to the moving stage in one embodiment of this invention The side view of the working head and moving stage which show the procedure which attaches the working head to the moving stage in one embodiment of this invention The side view of the working head and moving stage which show the procedure which attaches the working head to the moving stage in one embodiment of this invention

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Component mounting apparatus 3 Board | substrate conveyance path 6 Moving stage 8 Work head 10 Board | substrate 22 Positioning member (positioning part)
25 Fixing device 27 Stage side connector 34 Lower end part 35 Head side connector P Abutting part

Claims (2)

A component mounting apparatus having a substrate transfer path, a moving stage that is relatively moved with respect to a substrate positioned by the substrate transfer path, and a work head that is detachably attached to the moving stage and performs a required operation on the substrate. There,
The moving stage includes a positioning unit that positions the work head in a vertical direction with respect to the moving stage by contacting a lower end portion of the work head, and a work head that is positioned in the vertical direction with respect to the moving stage includes the positioning unit. A fixed device that is swung toward the moving stage with the abutment portion as a fulcrum, and the working head and the moving stage face each other are in contact with each other, and the working head is swung toward the moving stage. A component mounting apparatus, comprising: a stage-side connector that fits with a head-side connector of a work head by an operation to be moved. In a component mounting apparatus having a substrate transfer path, a moving stage that is relatively moved with respect to a substrate positioned by the substrate transfer path, and a work head that is detachably attached to the moving stage and performs a required operation on the substrate A work head mounting method for mounting a work head to a moving stage,
A positioning step for positioning the work head in the vertical direction with respect to the moving stage by bringing the lower end portion of the working head into contact with a positioning part provided on the moving stage, and the work head positioned with respect to the moving stage with the positioning part The swinging step of swinging toward the moving stage with the abutment portion as a fulcrum to bring the working head and the surface facing the moving stage into contact with each other, and the working head in a state where the facing surfaces of the working head and the moving stage are in contact with each other And a fixing step of fixing the moving head to the moving stage, and the head-side connector of the working head is fitted to the stage-side connector of the moving stage by the operation of swinging the working head in the swinging step toward the moving stage. How to attach the working head.

Images