JPH05338761A - Work magazine pitch feeding mechanism - Google Patents

Abstract

PURPOSE:To accomplish an accurate pitch feeding of a magazine using a simple and diminutive work magazine pitch feeding mechanism. CONSTITUTION:A block 3 is fitted to an LM guide 1 movable in a straight line and a feeding pin portion 5, to which pins (11a, 11b) and a pair of adjusting screws (9a, 9b) are fitted, is mounted on the block 3 in a rotatable manner. Magazine 21 pitch feeding is accomplished by means of making the feed pin portion 5 rotate and move in a straight line by virtue of a cylinder 2 and the pins (11a, 11b) engaging with and releasing from groove portions (22a, 22b) of the magazine 21.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a work magazine pitch feeding mechanism for feeding works stored in a magazine to an automatic winding machine or the like.

[0002]

2. Description of the Related Art Conventionally, when feeding a work to an automatic winding machine, an endless belt 52 is stretched between a pair of pulleys 51 as shown in FIG. The work 53 is placed, and one pulley 51 is rotationally driven by the motor 54 to feed the work 53.

[0003]

However, according to the work feeding mechanism configured as described above, it is difficult to position the work 53 when the work 53 is taken out by a robot or the like. Further, since the motor 54 is used, there is a drawback that the cost becomes high. For this reason, it was difficult to place it in the automatic line.

The present invention has been made in view of the above circumstances, and it is possible to convey a magazine at an accurate pitch and always attach and detach a work at the same place. The work magazine has a simple and small structure. An object is to provide a pitch feed mechanism.

[0005]

A work magazine pitch feed mechanism according to claim 1 is a work magazine pitch feed mechanism for feeding a magazine 21 in which works are stored at a predetermined pitch, and an LM guide as a guide member. A block 3 as a moving member that is linearly moved by being guided by 1.
A feed pin portion 5 as a rotating member, which is rotatably attached to the block 3 and in which a pin 11 as a pin member that is engageable with a groove portion 22 as a locking portion formed in the magazine 21 is implanted. It is characterized by including an adjusting screw 9 as a restricting member for restricting the rotation angle of the feed pin portion 5 and a cylinder 2 as a drive member for pressing and driving one end of the feed pin portion 5 with a predetermined stroke.

In the work magazine pitch feed mechanism according to a second aspect of the present invention, the regulating member is screwed to the feed pin portion 5, and one of the tips of one of the adjusting screws 9 comes into contact with the block 3.
Is characterized in that

In the work magazine pitch feed mechanism according to a third aspect of the present invention, the sliding resistance between the block 3 and the LM guide 1 is larger than the rotational resistance between the feed pin portion 5 and the block 3. And

In the work magazine pitch feed mechanism according to the fourth aspect, the pin 11 is the groove portion 2 formed in the magazine 21.
The feature is that the pitch can be changed corresponding to the pitch of 2.

[0009]

In the work magazine pitch feed mechanism according to claims 1 to 3, when the feed pin portion 5 is pressed by the cylinder 2 for a predetermined stroke, the sliding resistance between the LM guide 1 and the block 3 is reduced. 5 is larger than the rotation resistance between the block 5 and the block 3, the tip of the feed pin 5 rotates in the direction away from the magazine 21. This rotation angle is regulated by the tip of one adjusting screw 9b coming into contact with the block 3. When the cylinder 2 further pushes the feed pin portion 5 after the tip of the adjusting screw 9b comes into contact with the block 3, the block 3 is guided by the LM guide 1 and moves in the same direction by a predetermined stroke.

Next, when the feed pin portion 5 is moved in the opposite direction by the cylinder 2, the feed pin portion 5 rotates in a direction approaching the magazine 21 until the tip of the other adjusting screw 9a comes into contact with the block 3. .. When the cylinder 2 further moves the feed pin portion 5 in the opposite direction after the tip of the adjusting screw 9a comes into contact with the block 3, the block 3 is guided by the LM guide 1 and moves in the same direction.

As described above, since the feed pin portion 5 performs the rotational movement and the linear movement, the pins implanted in the feed pin portion 5 engage with and disengage from the groove portion of the magazine, and the magazine 11 is moved at a predetermined pitch. Can be sent.

In the work magazine pitch feed mechanism according to the fourth aspect, the groove portion 22 formed in the magazine 21 is used.
Since the pitch of the pins 11 can be changed according to the pitch of, the magazines 21 of different types can be supported.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the work magazine pitch feed mechanism of the present invention will be described below with reference to the drawings.

FIG. 1 shows the configuration of an embodiment of the present invention. In FIG. 1, an LM guide 1 and a cylinder 2 are fixed in parallel to the apparatus body. Block 3 for LM Guide 1
Are supported so as to be linearly movable in the directions indicated by arrows AB. Further, an L-shaped feed pin portion 5 is rotatably attached to the block 3 via a support shaft 4. Further, an elongated hole 5a is formed at the lower end of the feed pin portion 5 in the vertical direction, and a pin 7 provided at the tip of the rod 6 of the cylinder 2 is engaged with the elongated hole 5a.

A mounting plate 8 having a bent portion is fixed to the upper surface of the feed pin portion 5, and adjusting screws 9a, which are perpendicular to the mounting plate 8, are provided on both sides of the bent portion of the mounting plate 8, respectively.
9b is screwed on. When the feed pin portion 5 is rotated, the lower end of either one of the adjusting screws 9a and 9b comes into contact with the upper surface of the block 3 to regulate the rotation angle of the feed pin portion 5. .. Also, adjusting screws 9a and 9b
The length of the protrusion from the lower surface of the mounting plate 8 is adjusted by adjusting screws 9a,
It is adjusted by nuts 10a and 10b respectively screwed to 9b. Further, a pair of pins 11a and 11b are attached at predetermined positions on the horizontal portion of the feed pin portion 5.

Next, the operation of this embodiment will be described with reference to FIGS. In FIGS. 2 and 4A, a magazine 21 conveyed on a carrier table (not shown) is arranged below the feed pin portion 5, and groove portions 22 are formed on the upper surface of the magazine 21 at a predetermined pitch. Has been done. And pin 11
a and 11b are engaged with the groove portions 22a and 22b, respectively.

First, as shown in FIGS. 3 and 4B, when the rod 6 of the cylinder 2 is advanced in the direction indicated by the arrow A,
The force for rotating the feed pin portion 5 in the direction indicated by the arrow C, and the LM
A force that advances in the direction indicated by arrow A along the guide 1 is generated. At this time, the sliding resistance between the block 3 and the LM guide 1 is larger than the rotational resistance between the block 3 and the feed pin portion 5, so that the feed pin portion 5 first moves in the direction of arrow C about the support shaft 7. Rotate. However, when it is rotated to some extent, the tip of the right adjusting screw 9b comes into contact with the upper surface of the block 3 to lock the rotation. After that, the block 3 advances in the direction of the arrow A by a predetermined stroke of the cylinder 2 while the feed pin portion 5 is inclined, and reaches the position shown in FIGS. 3 and 4C.

In the above state, the adjusting screws 11a and 11b are provided with the groove portions 22c and 22 of the magazine 21, which are offset by one pitch.
It is located at the top of a. Next, when the rod 6 of the cylinder 2 is retracted in the direction of the arrow B, as shown in FIG.
As shown in (d), the feed pin portion 5 first rotates in the direction of arrow D. Then, as in the state shown in FIG. 2, the tip of the left adjusting screw 9a comes into contact with the upper surface of the block 3 so that the feed pin 5
The rotation of is locked. At this time, the pins 11a and 11b engage with the groove portions 22c and 22a of the magazine 21, respectively.
After that, by further retracting the rod 6 of the cylinder 2 in the direction of arrow B by a predetermined stroke, the magazine 21 is moved to 1
You can move the pitch.

According to this embodiment, the pitch of the pin 11 and the stroke of the cylinder 2 are made equal to the pitch of the groove portion 22 of the magazine 21, so that the accurate pitch feeding of the magazine 21 can be performed only by driving the cylinder 2. it can. Therefore, the workpieces (not shown) stored in the magazine 21
It can be taken out and installed at the same place all the time.

FIG. 5 shows the configuration of another embodiment of the present invention.
In FIG. 5, portions corresponding to those shown in FIG. 1 are designated by the same reference numerals, and the description thereof will be omitted as appropriate. A feature of this embodiment is that a large number of pins 11 are detachably provided on the feed pin portion 5.

According to this embodiment, the magazines 21a and 21b having different pitches of the groove portions 22 are selected and attached to the magazines 21a and 21b corresponding to the groove portions 22c and 22d. The accurate pitch feed of can be performed.

[0022]

As described above, according to the work magazine pitch feed mechanism according to the first to third aspects, the pitch feed and the positioning of the magazine can be performed by one operation of the cylinder as the drive member. With a compact structure, accurate pitch feeding of the magazine is possible, and the works stored in the magazine can always be taken out and mounted in the same place.

According to the work magazine pitch feed mechanism of the fourth aspect, the pitch of the pin members for feeding the magazine can be changed according to the type of the magazine. Therefore, one pitch feed mechanism has different groove pitches. Pitch feed of multiple types of magazines is possible.

[Brief description of drawings]

FIG. 1 is an explanatory diagram showing a configuration of an embodiment of a work magazine pitch feeding mechanism of the present invention.

FIG. 2 is an explanatory view showing an engaged state of the pin of FIG. 1 with a magazine groove portion.

FIG. 3 is an explanatory diagram showing a state in which the pin of FIG. 1 is separated from a magazine groove portion.

FIG. 4 is an explanatory diagram showing an operation sequence of the present embodiment.

FIG. 5 is an explanatory diagram showing the configuration of another embodiment of the present invention.

FIG. 6 is a perspective view showing a schematic configuration of an example of a conventional work pitch feed mechanism.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 LM guide (guide member) 2 Cylinder (driving member) 3 Block (moving member) 5 Feed pin part (rotating member) 9 Adjustment screw (regulating member) 11 Pin (pin member) 21 Magazine 22 Groove part (locking part)

Claims (4)

[Claims] 1. A work magazine pitch feed mechanism for feeding a magazine containing works at a predetermined pitch, a moving member which is linearly moved by being guided by a guide member, and rotatably attached to the moving member, A rotating member in which a pin member engageable with a locking portion formed in the magazine is implanted, a restricting member that restricts a rotating angle of the rotating member, and one end of the rotating member is provided with a predetermined member. A work magazine pitch feed mechanism, comprising: a drive member that is pressed by a stroke. 2. The work magazine pitch feed mechanism according to claim 1, wherein the restricting member is a pair of adjusting screws screwed to the rotating member, and one of the tips of the adjusting member comes into contact with the moving member. .. 3. The work magazine pitch feed according to claim 1, wherein a sliding resistance between the moving member and the guide member is larger than a rotating resistance between the rotating member and the moving member. mechanism. 4. The work magazine pitch feed mechanism according to claim 1, 2 or 3, wherein the pin member is changeable in pitch in correspondence with a pitch of locking portions formed on the magazine.