JP3649533B2 - Mounting hand and connector for connector - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a connector mounting hand and a detachable metal fitting that are mounted on the tip of an arm portion of a mounting robot when a connector is automatically mounted on a printed circuit board by a mounting robot.
[0002]
[Prior art]
Conventionally, using a mounting robot, each contact pin leg inserted and fixed in the connector housing is inserted into a predetermined hole drilled in the printed circuit board, and the connector is mounted on the printed circuit board. For example, in the mounting robot, a holding means for holding a connector (hereinafter referred to as a mounting hand) is attached to the tip of the arm that moves in a horizontal plane within a fixed working range and stops at a predetermined position. Is attached).
[0003]
Then, the mounting hand is lifted / lowered by appropriate lifting / lowering means such as an air-type lifting / lowering means or a belt-type lifting / lowering means, so that the connector placed at a predetermined position on the connector component supply pallet is sandwiched from the outside. After picking up and holding it, the arm portion rotates as necessary to reach a position above a predetermined position of the printed circuit board to be mounted and stop.
[0004]
Next, the mounting hand is lowered by the elevating means, and the connector held by the mounting hand is inserted into a predetermined hole on the printed circuit board so that the leg portion of the contact pin of the connector is inserted to hold the mounting hand. The holding action of the connector is released in the means, and the mounting hand is lifted to be separated from the connector and mounted on the printed circuit board.
[0005]
[Problems to be solved by the invention]
By the way, the mounting hand is mounted on the tip of the arm of the mounting robot, and the mounting method is, for example, screwing the screw of the mounting hand into a screw hole provided in the arm. It is. Therefore, when connectors with different connector housing lengths and widths are mounted on various types of printed circuit boards, it is necessary to replace the mounting hand dedicated to each connector and attach it to the arm, and the conventional screwing method takes time. Is.
[0006]
Further, the mounting hand is frequently exchanged for one printed board, and there is a problem that the production efficiency of the printed board decreases. Furthermore, since the connector to be mounted is a holding method in which the connector mounting hand chuck is sandwiched from the outside, the connector holding device portion of the connector mounting hand should mount the connector on a printed circuit board on which mounting components are mounted at high density. There is a possibility that it may collide with surrounding electronic components and the like, and there is a problem that it cannot cope with high-density mounting. Similarly, if the distance between the connectors arranged in large numbers on the connector component supply pallet is narrow, the connector cannot be pinched at the connector holding device portion of the connector mounting hand, so that the chucking is impossible. There is.
[0007]
As described above, the conventional replacement operation of the mounting hand has problems to be solved in shortening the replacement time, high-density mounting of the connector, and connector chucking method.
[0008]
[Means for Solving the Problems]
The gist for solving the above-described problems of the connector mounting hand according to the present invention is that a flat plate holding means that is inserted into an insertion portion of the connector and holds the connector, and a rectangular frame around the holding means. body supporting the connector hold releasing means for separating the said connector from said holding means is disposed so as to surround contact with the connector held in the holding means and the holding means and the connector holding release means in If, engagement of rotatable engaging member of the insertion portion into the inserted are the desorption brackets desorption fittings provided in the arm portions of the mounting robot a locking means it is found provided on the rear end side of the body The joint part is dropped into the recess of the locking means and engaged, and even if the main body tries to fall downward due to its own weight, the engagement part bites into the concave part and does not fall and is attached and removed with one touch. freely And locking means for attaching to said desorbing fitting is that formed from.
[0009]
The detachable metal fitting according to the present invention includes an insertion portion into which the locking means for the connector mounting hand according to claim 1 is inserted from the opening, and a locking means for the connector mounting hand inserted into the insertion portion. Engaging means for engaging; engagement maintaining means for maintaining engagement between the engaging means and the locking means; and a direction for engaging the engaging means with the locking means of the connector mounting hand. The mounting robot has a biasing means for biasing, and a release drive means for operating the connector holding release means of the connector mounting hand to separate the connector from the holding means. It is to be provided on the arm.
[0010]
According to the connector mounting hand of the present invention, the arm of the connector mounting robot can be simply touched by the chucking locking means provided on the rear end side of the main body of the connector mounting hand. It can be attached by operation, and the chucking time can be shortened. In addition, since the holding means is directly inserted into the insertion portion of the connector and the connector is held by the frictional force between the holding means and the contact, it is no longer necessary to sandwich and hold the outside of the connector. Even if the interval between adjacent connectors supplied above is narrow, it can be easily held and picked up.
[0011]
Further, since the holding means is inserted into the insertion portion of the connector, the positioning of the lead portion of the connector is highly accurate, and the positioning is accurately performed with respect to the hole of the printed circuit board, thereby preventing the insertion failure of the connector.
[0012]
With the attaching / detaching jig of the present invention, the connector mounting hand can be easily attached in a short time to shorten the replacement work time. In addition, the structure is simple and maintenance is easy.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
Next, an embodiment of a connector mounting hand and a detachable fitting according to the present invention will be described in detail with reference to the drawings. First, as shown in FIGS. 1 to 3, the connector mounting hand 1 is inserted into the insertion portion 3 a of the connector 3 to be mounted on the printed circuit board 2 and is a holding plate 4 that is a holding means for holding the connector 3. Form.
[0014]
The holding plate 4 has a width that is inserted between the contacts 3b and 3b formed integrally with the housing in the insertion portion 3a of the connector 3, and is slightly shorter than the length in the longitudinal direction of the insertion portion 3a. A flat plate made of synthetic resin or lightweight metal.
[0015]
Further, the reason why the holding plates 4 and 4 are divided into two as shown in FIG. 1 is to provide connector holding releasing means to be described later that surrounds the holding plates 4 and 4.
[0016]
The rear ends of the holding plates 4 and 4 are fixedly supported by the metal or synthetic resin main body 5 of the connector mounting hand.
[0017]
Next, the slide member 6 as the connector holding release means surrounds the outer periphery of the holding plates 4 and 4 while maintaining a gap, and the whole is a rectangular frame, and the central portion thereof A slide bar 6a extending to the main body 5 is extended. The slide bar 6a is slidably inserted into a through hole drilled in the central portion of the lower end surface of the main body 5, and is arranged in the through hole so as not to fall down in the state shown in FIG. 6b is always urged upward. As a result, the slide member 6 is normally urged and positioned on the lower end surface side of the main body 5, and the slide member 6 moves toward the tip of the holding plate 4 when the slide bar 6 a is pressed and moved. Move (downward).
[0018]
On the rear end side of the main body 5 of the connector mounting hand 1, locking members 7, 7 made of metal or synthetic resin, which are locking means for chucking, are extended from both ends. A locking recess 7 a is provided on a part of the outer surface of the locking member 7. In this way, the connector mounting hand 1 is configured.
[0019]
Next, a detachable metal fitting 8 for chucking the connector mounting hand 1 is provided at the tip of the arm of the connector mounting robot, and the locking members 7, 7 of the connector mounting hand 1 are provided. Engaging members 9 and 9 which are rotatable engaging means that engage with the inserting portions 8a inserted from the openings and the engaging members 7 and 7 of the connector mounting hand 1 inserted into the inserting portion 8a. Is provided.
[0020]
The engaging members 9 and 9 are pivotally attached to the respective rotary shafts 10 and 10 fixed to the main body 11 of the detachable fitting 8. As shown in FIG. 2, the shape of the engaging member 9 includes a spire-shaped engaging portion 9 a with a thin tip, and a lever portion 9 b extending in a rod shape on the opposite side with the rotating shaft 10 as the center. Is an integrated shape. The front end of the engaging portion 9a is engaged with the recess 7a of the locking member 7 of the connector mounting hand 1.
[0021]
When the engaging portion 9a of the engaging member 9 is engaged with the concave portion 7a of the engaging member 7, even if the engaging member 7 tries to move downward due to the weight of the main body 5, the rotating shaft 10 is centered. The rotating engagement portion 9a further bites into the back side of the recess 7a, and the locking member 7 cannot move downward any further. As a result, the engagement between the locking member 7 and the engaging member 9 is maintained.
[0022]
A coil spring 13, which is an urging means for urging the rotatable engaging member 9 in a direction to engage the engaging member 7 of the connector mounting hand 1, is hooked on the rotating shaft 10. Is provided.
[0023]
Further, as shown in FIG. 2, the lower end surface 14 of the main body 11 of the detachable metal fitting 8 is brought into contact with the upper end surface of the main body 5 in the connector mounting hand 1, and the chucking of the connector mounting hand 1 is performed. Positioning is performed by preventing movement to the upper part of the hour.
[0024]
Further, the slide rod 6a of the slide member 6 in the connector mounting hand 1 inserted into the insertion portion 8a is pressed and moved to an intermediate position between the insertion portions 8a and 8a of the main body 11 (downward in FIG. 1). An air cylinder 15 is provided as release driving means.
[0025]
2, the air cylinder 15 is integrally formed with a rod 15a and a flange 15c, and is slidably provided in the cylinder chamber 15b. A high pressure air is supplied from an air hose (not shown) to the cylinder chamber 15b. Flows in, the flange 15c is pressed in the direction indicated by the arrow in the figure, whereby the tip of the rod 15a protrudes from the lower end surface 14 of the main body 11.
[0026]
Therefore, when high-pressure air flows from the air hose into the cylinder chamber 15b in the state where the connector mounting hand 1 is chucked to the main body 11 of the detachable fitting 8, the tip of the rod 15a is moved through the flange 15c. The main body 11 protrudes from the lower end surface 14 and comes into contact with the rear end surface of the slide bar 6 a of the slide member 6. Then, the slide bar 6a is pressed against the elastic force of the coil spring 6b wound around the slide bar 6a, and is slid downward. When the pressing action of the air cylinder 15 is released, the rod 15a is retracted, and the slide bar 6a and the slide member 6 are moved to the lower end surface side of the main body 5 by the urging force of the coil spring 6b. It returns to the state.
[0027]
In this manner, the detachable fitting 8 for chucking the connector mounting hand 1 is formed.
[0028]
A method for mounting the connector 3 on the printed circuit board 2 using the connector mounting hand 1 and the attachment / detachment fitting 8 according to the present invention will be described.
First, the connector mounting hand 1 that fits the connector 3 to be mounted is chucked on the detachable fitting 8 provided at the tip of the arm of the connector mounting robot.
[0029]
For this purpose, as shown in FIG. 1, the connector mounting hand 1 is held by hand with its locking members 7, 7 up, and the locking members 7, 7 are inserted into the insertion portions 8 a, 8 a of the detachable fitting 8. Into the top of each.
[0030]
Then, the outer corner of the upper end surface of the locking member 7 collides with the engaging portion 9a of the engaging member 9 projecting into the entry path of the locking member 7 in a substantially horizontal state at the insertion portion 8a. The joint portion 9a is rotated clockwise around the rotation shaft 10 while resisting the biasing force of the coil spring 13.
[0031]
Further, when the locking members 7 are moved upward, the upper end surface 7 b of the main body 5 of the connector mounting hand 1 comes into contact with the lower end surface 14 of the attachment / detachment fitting 8. Then, the engaging member 9 that has been rotated in contact with the outer corner of the upper end surface 7b has a spire-like protruding end of the engaging portion 9a from the outer surface of the outer corner of the upper end surface 7b to the recess 7a. It is dropped by the urging force of the coil spring 13 and rotated counterclockwise.
[0032]
Therefore, after the engaging member 9 rotates counterclockwise around the rotation shaft 10, the engaging portion 9a bites into the recess 7a and stops rotating.
[0033]
In this way, when the hand holding the connector mounting hand 1 is released, the connector mounting hand 1 tends to drop downward due to its own weight, but the engagement member 9 is engaged with the recess 7a of the locking member 7. Since the portion 9a is engaged and bites in with the rotation shaft 10 as the center of rotation, the engagement member 9 is prevented from rotating counterclockwise, and the connector mounting hand 1 falls by its own weight. It will be attached to the detachable metal fitting 8 without.
[0034]
Next, the arm portion of the connector mounting robot is moved to be positioned on a connector supply pallet (not shown) in which a large number of connectors 3 are arranged. Then, the attaching / detaching bracket 8 is lowered by the elevating means, and the holding plates 4 and 4 of the connector mounting hand 1 are inserted into the insertion portion 3a of the connector 3 as shown in FIGS.
[0035]
The holding plates 4, 4 hold the connector 3 with a frictional force generated by entering between the contacts 3 b, 3 b of the connector 3 and pushing it away on both sides. At the same time, the slide member 6 and the slide bar 6a surrounding the holding plates 4 and 4 are brought into contact with the upper end surface of the connector 3 so that the lower end surface of the slide member 6 contacts the holding plates 4 and 4. Is pushed upward by the amount inserted into the connector 3.
[0036]
Since the connector 3 is held by inserting the flat holding plates 4 and 4 into the insertion portion 3a of the connector 3 in the holding operation of the connector 3, a large number of connectors 3 are adjacent to the supply pallet at a narrow interval. The target connector 3 can be held by the holding plate 4 without being obstructed by other connectors 3.
[0037]
Next, the connector 3 held by the holding plate 4 of the connector mounting hand 1 is moved onto the printed board 2 to be mounted. In order to correspond the contact leads 3c, 3c of the connector 3 to the holes 2a, 2a formed in the printed circuit board 2 with high accuracy, the holding plate 4 of the connector mounting hand 1 is controlled by the control device of the connector mounting robot. Is set at an intermediate position between the holes 2a and 2a of the printed circuit board 2.
[0038]
Then, the attachment / detachment bracket 8 is lowered by the elevating device, and the tip portion of the lead 3c of the connector 3 held by the connector mounting hand 1 slightly enters the state adjacent to or near the opening of the hole 2a. In the state, the descent movement of the lifting device is stopped.
[0039]
Then, air is supplied to the air cylinder 15 of the detachable metal fitting 8 to operate it, and the slide bar 6a is pushed downward. The slide member 6 is moved downward through the slide bar 6a, and at the same time, the connector 3 held by the holding plates 4 and 4 and in contact with the lower end surface of the slide member 6 is moved to the slide member. 6 is forcibly moved downward.
[0040]
Then, the connector 3 is pushed out of the holding plates 4 and 4 to release the holding action, falls downward, and each of the leads 3c of the connector 3 is inserted into the hole 2a of the printed circuit board 2, respectively.
[0041]
Thus, the connector 3 is mounted and mounted at a predetermined position on the printed circuit board 2. Thereafter, both the attachment / detachment bracket 8 and the connector mounting hand 1 chucked by the lifting / lowering device of the connector mounting robot are lifted, and the next mounting operation is started. This is repeated to place the connectors 3 on the printed circuit board 2 at predetermined positions.
[0042]
Further, when the size of the connector 3 changes, the work for replacing the connector mounting hand 1 is performed. As shown in FIG. 2, the lever portion 9b of the engaging member 9 is manually moved by an arrow. By rotating in the clockwise direction shown, the triangular protrusion of the engaging portion 9a of the engaging member 9 comes out of the concave portion 7a of the locking member 7, and the engaging action is released. 1 falls out of the metal fitting 8 by its own weight and is extracted.
[0043]
Then, another connector mounting hand 1 is inserted into the insertion portions 8 and 8 of the attaching / detaching metal fitting 8 for chucking.
[0044]
As described above, the connector mounting hand 1 is chucked by a simple operation of only being inserted, and the connector 3 is held by the holding plate 4 of the connector mounting hand 1 inserted between the contacts 3b. The accuracy is improved, an insertion error with respect to the printed circuit board 2 is prevented, high-speed mounting is possible, and the mounting density is improved because the outer side of the connector 3 is not held and held.
[0045]
Although an example of the connector mounting hand and the detachable metal fitting according to the present invention has been described, the present invention is not limited to the above-described embodiment. For example, the engaging member of the detachable metal fitting 8 is inserted into the insertion portion. An engagement member that slides in a direction orthogonal to the direction in which the engagement member is inserted is automatically slid in the escape direction by the locking member 7 into which the engagement member is inserted, and is engaged in the direction of engagement at the position of the recess 7a. It can also be set as the structure which can slide with the urging | biasing force of elastic bodies, such as a spring, and can disengage the engaging member by hand.
[0046]
Further, the biasing means of the detachable fitting 8 is not limited to the illustrated coil spring, but can use an elastic body made of synthetic resin such as rubber or sponge, or a torsion spring.
[0047]
【The invention's effect】
As described above, the connector mounting hand according to the present invention surrounds the holding means of the flat body that is inserted into the insertion portion of the connector and holds the connector and the periphery of the holding means with the rectangular frame. A connector holding release means for contacting the connector held by the holding means and separating the connector from the holding means, a main body for supporting the connector holding release means and the holding means, the engaging portion of the rotatable engaging member is the desorption fitting inserted into the insertion portion of the desorption fitting provided in the arm portions of the mounting robot a locking means are found provided on the rear end side of the body Even if the main body is dropped into and engaged with the concave portion of the locking means and falls downward due to its own weight, the engagement portion bites into the concave portion and does not fall down so that the main body can be attached and detached in a one-touch manner. Desorption And locking means for mounting the tool, because it is formed from, even for the connector to be supplied densely densely in the supply pallet, holding method of holding and inserted directly into the insertion portion of the connector The connector can be supplied with high density and the work efficiency of component supply can be improved, and the connector can be mounted at high speed and with high accuracy, so that the work efficiency can be improved. There is an excellent effect of improving the quality of the printed circuit board. In addition, the chucking has an excellent effect that maintenance is easy with a simple structure.
[0048]
A detachable metal fitting according to the present invention is engaged with an insertion portion into which the locking means of the connector mounting hand according to claim 1 is inserted from the opening, and the locking means of the connector mounting hand inserted into the insertion portion. Engaging means, engagement maintaining means for maintaining engagement between the engaging means and the locking means, and biasing the engaging means in a direction to engage the locking means of the connector mounting hand An urging means and a release driving means for operating the connector holding release means of the connector mounting hand to separate the connector from the holding means, and for attaching and detaching the connector mounting hand to the arm portion of the mounting robot Since it is provided, the mounting hand for the connector can be easily chucked in a short time, and the replacement work efficiency is improved.
[Brief description of the drawings]
FIG. 1 is an explanatory diagram of a use state in a state in which a connector mounting hand and a detachable metal fitting according to the present invention are chucked.
FIG. 2 is a partially enlarged explanatory view showing an engagement state between the connector mounting hand and the detachable metal fitting according to the present invention.
FIG. 3 is an explanatory view showing a state in which the connector is mounted on the printed board with the connector mounting hand according to the present invention.
[Explanation of symbols]
1 Connector mounting hand,
2 Printed circuit board, 2a hole,
3 Connector, 3a Connector insertion part,
4 holding plate,
5 Body of the connector mounting hand,
6 slide member, 6a slide bar, 6b coil spring,
7 locking member, 7a recess, 7b upper end surface of the main body of the connector mounting hand,
8 Detachment bracket, 8a Insertion part,
9 engaging member, 9a engaging part, 9b lever part,
10 pivot axis,
11 The body of the detachable bracket,
13 Coil spring,
14 Lower end surface of detachable bracket,
15 air cylinder, 15a rod, 15b cylinder chamber,
15c flange.

Claims (2)

A flat plate holding means that is inserted into the connector insertion portion to hold the connector, and a connector that is disposed so as to surround the holding means with a rectangular frame and is held by the holding means. a connector hold releasing means for separating the said connector from said holding means in contact with, a body and, locking means are found provided on the rear end side of the body for supporting the said holding means and said connector holding release means When inserted into the insertion portion of a detachable fitting provided on the arm of the mounting robot, the engaging portion of the rotatable engaging member of the detachable fitting is dropped into the concave portion of the locking means to engage with the main body. Locking means for detachably mounting the main body to the detachable fitting in a one-touch mounting so that the engagement portion does not fall into the recess due to its own weight. That Connector for mounting hand for the butterflies.   An insertion portion into which the locking means of the connector mounting hand according to claim 1 is inserted from the opening, an engagement means to engage with the locking means of the connector mounting hand inserted into the insertion portion, and the engagement Engagement maintaining means for maintaining the engagement between the coupling means and the locking means; biasing means for biasing the engagement means in a direction to engage the locking means of the connector mounting hand; and the connector And a release driving means for operating the connector holding release means of the mounting hand to separate the connector from the holding means, and is provided on the arm portion of the mounting robot for detaching the connector mounting hand. Detachable bracket.

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