JP2004134556A - Electronic component feeder - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To load an electronic component feeder to an electronic component mounter with excellent accuracy. <P>SOLUTION: The electronic component feeder 10 can hold a lock shaft R which is provided to the electronic component mounter with a groove R1 for positioning formed at an equal interval along the longitudinal direction of the mounter, and can load the lock shaft R to the electronic component mounter. A clamp pawl 36 engaged with the groove R1 for positioning is provided to a clamp member 31 for holding the lock shaft R, and moreover a positioning means 35 is also provided. This positioning means 35 enables positioning in the Y direction through direct or indirect contact with the lock shaft R from the direction Y which is almost orthogonal to the longitudinal direction X of the lock shaft R and the direction Z in which the clamp member 31 additionally applies holding pressure to the lock shaft R. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to an electronic component feeder, and more particularly, to an electronic component feeder that supplies an electronic component (chip) to an electronic component mounter.
[0002]
[Prior art]
An electronic component feeder is an electronic component encapsulated in a winding tape by holding a reel on which a winding tape in which the same electronic components are packed side by side at a uniform interval is wound and mounted on a feeder bank of an electronic component mounter. Equipment to supply parts sequentially. Normally, a number of electronic component feeders are mounted on the feeder bank according to the type of electronic components required.
[0003]
A conventional electronic component feeder is described in Patent Document 1. As shown in FIG. 5, the electronic component feeder 100 uses an engagement hole B1 formed in a vertical plate portion of the feeder bank B and a lock shaft R supported at a lower end of a horizontal plate portion. It is mounted on a mounter (the whole image is not shown).
[0004]
The electronic component feeder 100 includes a feeder main body 101 that holds a reel (not shown), an engagement protrusion 102 provided at a distal end portion of the feeder main body 101 and inserted into an engagement hole B1 of a feeder bank B, and a feeder main body 101. And a clamp mechanism 110 capable of holding the lock shaft R by manual operation at a lower portion of the main body.
[0005]
The clamp mechanism 110 is an L-shaped link body and includes a clamp member 111 for holding the lock shaft R, a tension spring 112 for urging the clamp member 111 in the holding operation direction, and a coaxial shaft with the clamp member 111. An operation link body 113 that is supported and rotates in the holding release direction at the same time as the clamp member 111; an operation link body 114 for switching the holding and release of the clamp member 111 from one end thereof; A connecting link body 115 for connecting the other end of the link body 114 and the working link body 113 is provided. The operation link body 113, the operation link body 114, and the connection link body 115 are supported by the feeder body 101 so as to form a toggle mechanism.
As shown in FIG. 6, each of the clamp member 111 and the operation link body 113 has a substantially U-shaped cross section that is open upward. The cross section of the clamp member 111 is set smaller than that of the working link body 113, and is disposed inside the working link body 113. Further, the clamp member 111 is provided with positioning claws 116 protruding toward the feeder main body 101 at both ends of two opposing side walls. This is because the grooves R1 are provided at uniform intervals along the longitudinal direction of the lock shaft R, so that the lock shaft R is positioned in the longitudinal direction by individually engaging the claws 116 with the grooves R1. It is provided for.
[0006]
When the conventional electronic component feeder 100 having the above configuration is mounted on the feeder bank B, first, the operation link body 114 is rotated clockwise in FIG. Is rotated in a direction away from the camera. In this state, the engagement protrusion 102 is inserted into the engagement hole B1, and the lock shaft R is inserted between the clamp member 111 and the feeder main body 101. When the operation link body 114 is rotated in the counterclockwise direction, the clamp member 111 sandwiches the lock shaft R with the lower part of the feeder main body 101 via the link bodies 115 and 113. Further, by pushing the operation link body 114 counterclockwise, the clamp member 111 firmly sandwiches the lock shaft R by a toggle effect, and the entire electronic component feeder 100 is supported by the feeder bank B. The mounted electronic component feeder 100 supplies the electronic component encapsulated in the tape to the electronic component mounter at a predetermined delivery position at the distal end of the feeder main body 101.
[0007]
[Patent Document 1]
Japanese Patent Application Laid-Open No. 11-121987 (FIGS. 1 and 3)
[0008]
[Problems to be solved by the invention]
By the way, in recent years, it is not uncommon for electronic components to be supplied to be smaller than 1 [mm] in both length and width. When supplying such minute electronic components, the electronic component feeder must be mounted on the feeder bank so that the delivery position is accurate with respect to the electronic component mounter. Had been requested.
[0009]
However, in the above-described conventional electronic component feeder 100, the clamp member 111 of the lock shaft R causes the two claws 116 to enter the two grooves R1 of the lock shaft R, respectively, and simultaneously causes the tips of the claws 116 to be in the respective grooves R1. A configuration is adopted in which positioning is performed in the longitudinal direction of the lock shaft R (hereinafter, referred to as the X direction) by abutting the inner inclined surface R2. In such a case, only one of the claws 116 may come into contact with the inclined surface R2 in the groove and stop, and a positional shift in the X direction may occur.
Further, in order to secure the mounting accuracy in the X direction, for example, the processing accuracy in the height direction is required for both claws 116 of the clamp member 111, and the processing accuracy in the interval between both claws is required. It also had the disadvantage of an inappropriate structure.
[0010]
Further, the electronic component feeder 100 positions the lock shaft R in the X direction by the claws 116, and positions the lock shaft R in the holding operation direction (vertical direction in FIG. 5, hereinafter referred to as Z direction) by holding the clamp member 111. Although it is possible to do so, there is no positioning means in a direction orthogonal to both the X direction and the Z direction (left-right direction in FIG. 5, hereinafter referred to as Y direction), and there is a possibility that deviation in the same direction may occur. was there. As a result, there is a possibility that the displacement in the Y direction occurs not only when the electronic component feeder 100 is mounted but also during subsequent use.
[0011]
In this case, it has been common practice to suppress the displacement in the Y direction by forming a recess 117 as shown in FIG. 7 in the clamp member 111. However, the lock shaft R is formed along the slope of the recess 117. In some cases, displacement occurs to cause displacement, and the effect of preventing displacement has not been sufficiently exerted.
[0012]
Further, in the electronic component feeder 100, since the clamp member 111 is constantly urged in the holding operation direction by the tension spring 112, in order to open the clamp member 111, the operation is performed against the elastic force of the tension spring 112. The link body 114 has to be rotated, which is a burden on the operator. In particular, when the release operation is performed from the state where the lock shaft R is already held, the force for releasing the tightened state of the toggle and the force for operating the tension spring must be added. And further burdened the workers.
[0013]
SUMMARY OF THE INVENTION It is an object of the present invention to provide an electronic component feeder which can solve the disadvantages of the conventional example described above and can be attached to an electronic component mounter with high accuracy.
Another object of the present invention is to provide an electronic component feeder with good operability.
[0014]
[Means for Solving the Problems]
The electronic component mounter according to the first aspect of the present invention holds the lock shaft (R) provided on the electronic component mounter (B) and having the positioning grooves (R1) formed at uniform intervals along the longitudinal direction thereof. An electronic component feeder (10) that can be mounted on a lock shaft, the clamp member (31) holding the lock shaft being provided with only one clamp claw (36) that fits into the positioning groove, and a longitudinal direction of the lock shaft. (X direction) and the direction in which the clamping member applies a clamping pressure to the lock shaft (Z direction). Thus, a positioning means (35) for positioning in the same direction is provided.
[0015]
In the above configuration, "directly or indirectly contacting the lock shaft" means that the positioning means may directly contact the lock shaft for positioning, and the positioning means may fix and support the lock shaft. As a result of contact with the body, it means that relative positioning with respect to the lock shaft may be performed.
[0016]
In the above configuration, when the electronic component feeder is mounted on the electronic component mounter, the tip of the clamp claw is inserted into the positioning groove of the lock shaft to position the electronic component feeder in the longitudinal direction of the lock shaft. At this time, since there is only one clamp claw, the contact pressure when it comes into contact with the inside of the positioning groove is concentrated on the tip of the single clamp claw member, so that it can be slid all the way without catching on the way. be able to.
[0017]
Further, the positioning means is brought into contact with the lock shaft from a direction substantially perpendicular to both the longitudinal direction of the lock shaft and the direction in which the clamping member applies the clamping pressure to the lock shaft, thereby positioning the electronic component feeder with respect to the lock shaft. I do.
Note that the positioning by the clamp claws and the positioning by the positioning means may be performed in any order, but it is preferable that the positioning be performed in a separate step, not simultaneously.
[0018]
Further, by clamping the lock shaft by the clamp member, positioning in the direction in which the clamping pressure is applied is performed. The electronic component feeder is fixedly mounted on the electronic component mounter. Accordingly, the electronic component feeder applies three directions to the lock shaft: a direction along the longitudinal direction of the lock shaft, a direction in which a holding pressure is applied to the lock shaft orthogonal to the lock shaft, and a direction substantially orthogonal to these directions. Positioning will be performed in the direction.
[0019]
The invention according to claim 2 has the same configuration as the invention according to claim 1, and adopts a configuration in which the clamp member reciprocates and elastically supports the clamp claws along the projecting direction. I have.
In the above configuration, the same operation as in the first aspect of the invention is performed, and the positioning claw is elastically protruded from the clamp member when positioning the locking claw with the clamp claw. It is also possible to support the clamp claws in a state in which the clamp claws are protruded beyond the depth, so that positioning in the same direction can be started earlier. In this case, the positioning operation in the same direction and the holding operation by the clamp member are more clearly separated, and it is easy to confirm the occurrence of a deviation during the positioning operation.
[0020]
The invention according to claim 3 has the same configuration as the invention according to claim 1 or 2, and adopts a configuration in which the clamp member holds the lock shaft only by the pressing force applied from the toggle mechanism. I have.
With the above configuration, the same operation as that of the first or second aspect of the invention is performed, and at the time of inputting the operation of holding the clamp member and the operation of releasing the clamp member, the lock shaft is securely tightened with a small force input. Is released, and the release is performed by inputting a small force.
[0021]
BEST MODE FOR CARRYING OUT THE INVENTION
(Overall Configuration of Embodiment of the Invention)
An embodiment of the present invention will be described with reference to FIGS. In the present embodiment, an electronic component is supplied to a feeder bank B of an electronic component mounter by holding a reel wound with a winding tape in which electronic components are lined up and sealed, and sequentially supplies the electronic components sealed in the winding tape. 1 shows a component feeder 10.
First, before describing the electronic component feeder 10, the feeder bank B to which the electronic component feeder 10 is mounted will be described. As shown in FIG. 1, the feeder bank B has a substantially L-shaped cross section, and the tip of the electronic component feeder 10 abuts on a vertical plate portion B3 along the vertical direction, and extends along the horizontal direction. The electronic component feeder 10 is mounted on the mounting table B4 with its lower part in contact. The vertical plate portion B3 is provided with engagement holes B1 and B2 for mounting the electronic component feeder 10 at two upper and lower locations. Further, a lock shaft R is fixedly supported below the front end (the right end in FIG. 1) of the mounting table B4 so that its longitudinal direction is horizontal and vertical to the paper surface of FIG. .
As shown in FIG. 2, the lock shaft R is provided with a plurality of positioning grooves R1 having a predetermined width at uniform intervals along the longitudinal direction. The positioning groove portion R1 has a tapered inner side surface R2 and is an inclined surface.
In the following description, a direction along the longitudinal direction of the lock shaft R is defined as an X direction, a left-right direction in FIG. 1 is defined as a Y direction, and a vertical direction in FIG. 1 is defined as a Z direction.
[0022]
The electronic component feeder 10 includes a reel holding unit 21 that holds a reel (not shown), a transport unit 22 for a wound tape fed from the reel, and a feed wheel 23 that feeds the wound tape along the transport unit 22. The main body 20, the engaging projections 11 and 12 provided at the distal end of the feeder main body 20 and respectively inserted into the engaging holes B 1 and B 2 of the feeder bank B, and the lock shaft R at the lower part of the feeder main body 20 are manually operated. And a clamp mechanism 30 that can be held.
[0023]
(Feeder body)
The feeder main body 20 includes a reel holding portion 21 near a rear end (the right side in FIG. 1) in the mounting direction. The reel holding unit 21 has a detachment mechanism (not shown) that rotatably supports the reel and enables detachment of the reel.
The transport path 22 constitutes a path inside the feeder body 20 from the vicinity of the reel holding section 21 to the front end side (the left side in FIG. 1) and back to the rear end again. A transport wheel 23 is provided in a section of the transport section 22 on the tip side of the feeder body 20. In the section before and after the transfer wheel 23 in the transfer section 22, the winding tape is conveyed in a state of being exposed to the outside of the feeder main body 20, and the winding tape is wound around the electronic component mounter in the exposed section. A transfer position S for transferring electronic components of the mounting tape is set.
The transport wheel 23 is provided with projections at uniform intervals on the outer periphery thereof, and the winding tape is transported by rotating the transport roller in a state where the winding tape is engaged with the projections. Note that the transport wheel 23 is configured to receive a driving force from the electronic component mount side, but may be configured to include a stepping motor or the like whose rotation amount is controlled by a drive command of the electronic component mounter.
[0024]
(Engagement protrusion)
Each of the engaging projections 11 and 12 is provided at the distal end of the feeder body 20 as described above. Then, the upper engaging projection 11 is inserted into the engaging hole B1 of the feeder bank B in a state where there is almost no gap. On the other hand, the lower engagement protrusion 12 is loosely inserted into the engagement hole B2. The engagement hole B <b> 2 is formed in a long hole shape along the Z direction, and restricts only the displacement of the engagement protrusion 12 in the X direction. These engaging projections 11 and 12 are provided for roughly positioning the electronic component feeder 10. After the engaging projections 11 and 12 are inserted into the corresponding engaging holes B1 and B2, accurate positioning by the clamp mechanism 30 is performed. Is performed.
[0025]
(Whole clamp mechanism)
The clamp mechanism 30 is provided on the rear end side of the feeder body 20. The clamp mechanism 30 is capable of switching between a clamp member 31 for clamping the lock shaft R, an action link body 32 that rotates together with the clamp member 31, and a clamping operation of the clamp member 31 and a release operation thereof by its own rotation. Operating body 33, a connecting link body 34 connecting the operating link body 33 and the working link body 32, and a direction in which the movement is regulated by the clamping member 31 being held against the lock shaft R (Z direction) And a Y-direction positioning means 35 for positioning the lock shaft R in a direction (Y direction) orthogonal to any of the longitudinal directions (X directions) of the lock shaft R in a state where the lock shaft R is properly held. ing.
[0026]
(Clamp member and claw member)
The clamp member 31 is rotatably supported about a shaft 31P along the X direction by a block constituting a Y-direction positioning means 35 fixedly mounted at a lower portion of the feeder body 20 and has a rotating end. It rotates roughly along the Z direction. Then, the rotating end of the clamp member 31 clamps the lock shaft R between the lower surface of the feeder body 20 and the clamp member 31.
[0027]
The clamp member 31 will be described in more detail with reference to FIGS. 2 and 3. The clamp member 31 has a receiving surface 31 a that is curved on the upper surface of the rotating end thereof in accordance with the outer peripheral surface of the lock shaft R. Nipping is performed in a state where the receiving surface 31a is in contact with the peripheral surface other than the positioning groove R1 of the lock shaft R.
[0028]
Further, the clamp member 31 is provided with a claw member 36 as a clamp claw, which is provided in a state where a tip end portion thereof protrudes above the receiving surface 31a. The distal end portion 36a of the claw member 36 is fitted in the positioning groove R1 of the lock shaft R, whereby positioning in the X direction is performed.
The width d of the claw member 36 is set smaller than the outermost peripheral width of the positioning groove R1 of the lock shaft R and larger than the width of the bottom portion. The claw tip 36a is formed in a circular shape having a radius r equal to one half of the width d of the tip. Therefore, a peripheral surface is formed at the distal end portion 36a of the claw member 36, and when the claw member 36 is engaged with the lock shaft R, the claw member 36 is easily guided into the positioning groove R1. Since it is slippery, it is guided smoothly to the back, and the occurrence of positional deviation due to catching on the way is reduced.
Further, when the claw member 36 is fitted into the positioning groove R1 of the lock shaft R, the tip 36a has two points on each of the inner inclined surfaces R2 and R2 which are the inclined side surfaces of the positioning groove R1. And does not contact the bottom surface of the groove R1 (see FIG. 2). In other words, when the claw member 36 is fitted in the positioning groove R1 of the lock shaft R, the claw member 36 does not rattle in the X direction with respect to the lock shaft R, and one point in the X direction. Only with the accurate positioning.
[0029]
Further, the claw member 36 is supported by the clamp member 31 by a shaft 36P extending in the X direction so that the claw tip 36a can swing up and down, and the claw tip 36a projects upward. The end opposite to the claw tip 36a is elastically pressed by a compression spring 36b. With such a configuration, when the clamp member 31 clamps the lock shaft R, first, the distal end portion 36a of the claw member 36 enters the positioning groove R1 to perform positioning in the X direction. Of the lock shaft R, and the holding surface 31a is held. In this way, by separating the positioning operation in the X direction and the holding operation during clamping, it is possible to eliminate the inconvenience of being held while the positional shift in the X direction occurs.
[0030]
(Y direction positioning means)
The Y-direction positioning means 35 is provided at a lower portion of the feeder main body 20, and when the clamp member 31 properly holds the lock shaft R, the distal end surface 35 a thereof abuts on the peripheral surface of the lock shaft R. The tip surface 35a is a plane parallel to the X direction and the Z direction, and comes into contact with the lock shaft R from the right side in FIG. When the electronic component feeder 10 is mounted on the feeder bank B, the Y-direction positioning means 35 first brings the distal end surface 35a into contact with the peripheral surface of the lock shaft R before the clamping operation by the clamp member 31 is started. In such a contact state, the position of the distal end surface 35a of the Y-direction positioning means 35 is set so that the position of the electronic component feeder 10 in the feeder bank B in the Y direction is appropriate. Then, the positioning in the X direction is performed by the claw member 36 of the clamp member 31 described above.
[0031]
Since the Y-direction positioning means 35 is fixedly mounted on the feeder main body 20 and the claw member 36 for positioning in the X-direction is mounted on the clamp member 31, the clamp member 31 performs another operation with respect to the feeder main body 20. The positioning in the X direction and the positioning in the Y direction can be performed in separate steps. Therefore, when performing the positioning operation in each direction, it is easier to confirm that there is no deviation in each direction than when performing the positioning in two directions at the same time, and it is possible to perform more accurate positioning.
[0032]
In the case of a different type of electronic component mounter, a plate member may be provided in front of the lock shaft R in such a case. In such a case, the distal end surface 35a of the Y-direction positioning means 35 should not be directly in contact with the lock shaft R. , Must be in contact with the board. In such a case, the position of the distal end surface 35a of the Y-direction positioning means 35 may be shifted in advance by the thickness of the plate material.
[0033]
(Each link body)
The operation link body 32, the operation link body 33, and the connection link body 34 constitute a toggle mechanism.
First, the operation link body 33 is located at the rearmost position with respect to the other link bodies, and the lower end thereof is connected to and supported by the lower portion of the feeder body 20 so as to be rotatable around an axis 33P along the X direction. . The upper end portion of the operation link body 33 functions as an operation input unit for performing a rotation operation input by human power. An elongated hole 33 </ b> S into which a regulating shaft protruding from the feeder body 20 is inserted is formed at a middle portion in the longitudinal direction of the operation link body 33 so as to regulate a rotation range thereof. Therefore, the rotation range of the operation link body 33 is determined by the length of the long hole. When the regulating shaft is located at the right end of the long hole as shown in FIG. 1, the clamp member 31 is in a state of holding the lock shaft R, and as shown in FIG. , The clamp member 31 is in an open state.
[0034]
One end of the connection link body 34 is connected to the middle of the operation link body 33 at a position closer to the lower end than the elongated hole so as to be rotatable around a shaft 34P along the X direction. The other end of the connecting link body 34 is connected to one end of the working link body 32 so as to be rotatable around a shaft 34B along the X direction. For this reason, when the turning power is input from the upper end of the operation link body 33, the connecting link body 34 transmits the rotation power to the operation link body 32 side, and rotates the operation link body 32.
[0035]
The operation link body 32 is rotatably supported by the feeder body on the same shaft 31P as the clamp member 31. One end serving as a force point to which an external force is applied is rotatably connected to the other end of the connection link body 34 by a shaft 34B extending in the X direction. On the other hand, the other end of the operation link body 32 serving as an operation point is fixedly connected to the clamp member 31. For this reason, the rotational power transmitted from the connection link body 34 is transmitted to the clamp member 31 via the operation link body 32, and the operation of holding the lock shaft R and the operation of releasing the lock shaft R are performed.
[0036]
Since the distance from the base end to the operation input is longer than the distance from the base end of the operation link body 33 (the support connection part with the feeder body 20) to the connection part with the connection link body 34, the leverage boost The mechanism is configured. Similarly, the distance from the base end to the connection with the connection link body 34 is smaller than the distance from the base end of the action link body 32 (the support connection with the feeder body 20) to the position where the lock shaft R is held. Since the distance is long, a lever boosting mechanism is configured by leverage.
Since the link members 32, 33, and 34 are connected as described above, the operation link member 33 is rotated from the state of FIG. 4 to the state of FIG. , 34 becomes smaller, and a toggle mechanism for applying a large rotational force in the direction in which the clamp member 31 performs the holding operation is configured accordingly. For this reason, the electronic component feeder 10 can be firmly fixed to the feeder bank B via the lock shaft R. Therefore, even when an external force is applied after the electronic component feeder 10 is mounted, the posture at the time of mounting can be stably maintained.
At this time, since the clamp member 31 is not structured to be biased to rotate in a fixed direction by an elastic body such as a spring, the input of the holding operation and the input of the release operation via the operation link body 33 are performed by the spring elasticity. Each operation is performed smoothly without being performed against the above, and the operability is improved.
[0037]
Further, by adopting a structure in which any one of the mechanisms including the link members 32, 33, and 34 is bent, even if, for example, a lock shaft R having a larger outer diameter is clamped, the bending is broken. And can be allowed to be sandwiched without causing the above. That is, versatility can be improved. Deflection occurs when the external force is applied in a direction substantially perpendicular to the longitudinal direction of the link body, or the distance between the fulcrum and the point of application is set to be long enough to cause the elasticity of the link material to bend. That is, the shape between the fulcrum and the action point of the link body is curved so that the distance between the points can be easily changed. Among the link members 32, 33, and 34, the operation link member 32 satisfies the above-described conditions, thereby improving the versatility of the device.
[0038]
(Description of mounting operation of electronic component feeder)
The mounting operation of the electronic component feeder 10 having the above configuration will be described with reference to FIGS. When attaching the electronic component feeder 10 to the feeder bank B, first, as shown in FIG. 4, the operation input section of the operation link body 33 is tilted to the right, and the rotating end of the clamp member 31 is moved to the feeder body. The process is started after the release state is set apart from 20.
[0039]
First, the engaging projections 11 and 12 are lightly inserted into the engaging holes B1 and B2, and the electronic component feeder 10 is roughly positioned with respect to the feeder bank B (the state shown in FIG. 3A).
[0040]
Then, while the lower portion of the feeder body 20 is placed on the mounting table B4 of the feeder bank B, the distal end surface 35a of the Y-direction positioning means 35 is brought into contact with the outer peripheral surface of the lock shaft R to perform the Y-direction positioning. . Then, the operation input section of the operation link body 33 is gradually moved to the left, and the clamp member 31 is rotated in the holding direction via the link bodies 33, 34, 32. In the process, the distal end 36a of the claw member 36 provided on the clamp member 31 is positioned in the predetermined positioning groove R1 of the lock shaft R, and the distal end 36a of the claw member 36 enters the groove R1. (State of FIG. 3B).
[0041]
Further, when the operation input portion of the operation link body 33 is moved to the left, the claw member 36 is urged by the compression spring 36b in the direction in which the distal end portion 36a protrudes, so that the receiving surface 31a of the clamp member 31 is locked. Before contacting the outer peripheral surface of the shaft R, the distal end portion 36a of the claw member 36 contacts each of the inner inclined surfaces R2 and R2 of the lock shaft R. In this state, the positioning of the electronic component feeder 10 in the X direction is completed.
[0042]
Further, when the operation input unit of the operation link body 33 is moved to the leftmost position as shown in FIG. 1, the receiving surface 31a of the clamp member 31 comes into contact with the outer peripheral surface of the lock shaft R while the claw member 36 is retracted, Further, the lock shaft is firmly fastened to the clamp member 31 by the action of each link body 32, 33, 34. Accordingly, there is no room for the electronic component feeder 10 to move along the Z direction with respect to the lock shaft R, and the positioning in the Z direction is completed. Then, the electronic component feeder 10 is firmly fixed to the feeder bank B, and the mounting operation ends.
[0043]
(Effects of the embodiment)
Since the electronic component feeder 10 performs the positioning in each direction sequentially instead of simultaneously as described above, the electronic component feeder 10 can be mounted on the feeder bank B while confirming that there is no misalignment in each direction. The mounting accuracy of the feeder 10 can be improved.
[0044]
Since the clamp member 31 has only one claw member 36 for positioning in the X direction, the contact pressure on the inner inclined surface R2 of the lock shaft R is dispersed as compared with the configuration in which positioning is performed using two claws. Therefore, the fitting can be performed at an appropriate position without being caught in the middle of the inclined surface R2, and the mounting accuracy in the X direction can be improved. Further, since there is no need to equalize the height of the two claws or to require processing accuracy for the interval between the two claws, it is possible to improve productivity.
[0045]
Further, the electronic component feeder 10 is provided with the Y-direction positioning means 35 for performing the positioning in the Y direction by bringing the tip end surface 35a into contact with the lock shaft R, so that the mounting accuracy in the Y direction is improved, and Also, as long as the contact state is maintained, it is possible to prevent the displacement in the same direction.
[0046]
(Other)
In the above-described embodiment, an example in which the lock shaft R of the feeder bank B has a round bar shape is shown. However, the cross-sectional shape of the lock shaft R is not particularly limited, and the positioning grooves are arranged at uniform intervals along the longitudinal direction. Is formed, the electronic component feeder 10 can respond flexibly without losing its functions and effects.
[0047]
Also, the driving source of the clamping operation by the clamp member does not have to be human power. For example, a drive motor, an electromagnetic solenoid, an air cylinder, or the like may be used. When these outputs are small, the above-described toggle mechanism or other booster mechanism may be interposed.
[0048]
Also, the clamp mechanism 30 is not limited to the toggle mechanism, but may use another booster mechanism. In addition, a spring that applies an elastic force in the clamping operation direction or the release operation direction of the clamp member may be used. An elastic body such as may be interposed.
Further, the clamp mechanism 30 has a configuration having the link members 32, 33, and 34, but is not limited thereto. For example, a cam mechanism may be used instead of the link body.
[0049]
【The invention's effect】
According to the first aspect of the present invention, unlike the conventional example, the number of the clamp claws is one. Therefore, when the clamp claws are positioned in the positioning grooves of the lock shaft, one clamp pawl is not dispersed with respect to the groove inner wall. By focusing on the clamp claws, the clamp claws can be slid to the deep part of the groove without being caught on the way. Therefore, the positioning of the lock shaft in the longitudinal direction is performed with high accuracy.
[0050]
Furthermore, since positioning means is provided for performing positioning by directly or indirectly contacting the lock shaft, the positioning means functions as a stopper at the time of positioning so that positioning in a predetermined direction can be accurately performed. Becomes possible. Further, even after the electronic component feeder is mounted on the electronic component mounter, it is possible to effectively prevent the displacement due to the external force as long as the lock shaft is in contact with the positioning means.
[0051]
Further, since the positioning is performed in different configurations in two different directions, it is easy to perform the positioning while confirming whether or not there is a deviation in each direction, and it is possible to further improve the mounting accuracy.
As described above, since the electronic component feeder can be positioned more accurately in each different direction, the supply position of the electronic component to the electronic component mounter can be more accurately positioned, and the finer electronic component can be positioned. It is possible to supply an electronic component feeder that can effectively cope with the supply of electronic components. Further, the complexity of updating the receiving position setting of the receiving means of the electronic component mounter due to the position shift of the electronic component feeder is also eliminated.
[0052]
According to the second aspect of the present invention, since the clamp claw is elastically supported, it is possible to equip the clamp member with an extra protruding state in advance in consideration of the retreat amount. Positioning of the lock shaft in the longitudinal direction can be started early. Therefore, the positioning operation in the same direction and the holding operation by the clamp member can be performed in a more timely and clearly separated manner, and as a result, it is possible to easily confirm occurrence of a deviation during the positioning operation. Thus, it is possible to further improve the positioning accuracy.
[0053]
According to the third aspect of the present invention, since the clamp member clamps and releases the clamp member by the toggle mechanism, it is possible to firmly clamp the lock shaft by inputting a small force, and the mounting state of the electronic component feeder. Can be improved in stability.
Furthermore, since the clamping member depends only on the toggle mechanism for its holding pressure, the influence of the operation of the clamping member due to the elastic force of an elastic body such as a spring is eliminated and the operability of the clamping member is improved, as in the past. Can be achieved.
[Brief description of the drawings]
FIG. 1 is a side view in a mounted state of an electronic component feeder according to an embodiment of the present invention.
FIG. 2 is an explanatory diagram showing an engagement state of a clamp member and a claw member disclosed in FIG. 1 with a lock shaft.
3A and 3B are explanatory views showing positioning operations in various directions around a clamp member, where FIG. 3A shows a state before the operation is started, and FIG. 3B shows a positioning operation in the Y and X directions. 3C shows a state where the positioning operation is performed in the Z direction.
FIG. 4 is a side view of the electronic component feeder according to the embodiment of the present invention in an unmounted state or a mounted state.
FIG. 5 is a side view showing a conventional electronic component feeder.
FIG. 6 is an explanatory view showing an engagement state of a conventional clamp member with a lock shaft by a clamp claw.
FIG. 7 is an explanatory diagram showing a configuration example for performing positioning in the Y direction in the related art.
[Explanation of symbols]
10 Electronic component feeder
31 Clamping member
35 Positioning means
36 Claw member (clamp claw)
R lock shaft
R1 Positioning groove

Claims (3)

An electronic component feeder that is provided on the electronic component mounter and can be mounted on the electronic component mounter by sandwiching a lock shaft having positioning grooves formed at uniform intervals along the longitudinal direction thereof,
A clamp member for holding the lock shaft is provided with only one clamp claw that fits into the positioning groove,
The clamp member directly or indirectly contacts the lock shaft from a direction substantially perpendicular to both the longitudinal direction of the lock shaft and the direction in which the clamping member applies a clamping pressure to the lock shaft. An electronic component feeder comprising positioning means for positioning in a direction. The electronic component feeder according to claim 1, wherein the clamp member elastically supports the clamp claw in a reciprocating manner along a protruding direction thereof. The electronic component feeder according to claim 1, wherein the clamp member holds the lock shaft only by a pressing force applied from a toggle mechanism.

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