JP2007326685A - Vibration type conveyance device and chute member - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a vibration type conveyance device capable of stopping a part to be conveyed at a pick-up position stably even when increasing vibration of the vibration type conveyance device to improve cycle time. <P>SOLUTION: A gutter-like part conveyance passage 16 for conveying parts 13 is formed in the chute member 17 attached to the vibration type conveyance device, and a positioning recessed part 18 for fitting the part 13 to position is formed at the pick-up position in the part conveyance passage 16. A shape of the positioning recessed part 18 is formed into such a shape that allows only a part protruding downward in a shape of a lower face side of the part 13 to be fitted into the positioning recessed part 18. In this configuration, only a part protruding downward in the shape of the lower face side of the part 13 conveyed in the part conveyance passage 16 due to vibration and reaching the positioning recessed part 18 drops and is fitted into the positioning recessed part 18. Consequently, the part 13 to be conveyed at the inclined attitude is stably supported at the pick-up position at horizontal attitude. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an oscillating conveyance device that conveys a component supplied to a component conveyance path to a pickup position by a vibration conveyance operation, and a chute member that constitutes the component conveyance path.

  2. Description of the Related Art Conventionally, there has been known a vibration type conveying device that conveys a component supplied to a component conveying path to a pickup position by vibrating a member constituting the component conveying path. In general, this vibration type conveying apparatus is provided with a stopper portion for determining a pickup position at a tip portion of a component conveying path (chute member), and a component conveyed along the component conveying path hits the stopper portion. The conveyance is stopped at the pickup position.

  However, in this configuration, since the component conveyance path and the stopper portion vibrate integrally, the vibration causes the conveyed component to collide with the stopper portion and be rebounded many times. . As a result, even if the vibration of the conveying device is stopped during the part pick-up operation and the part at the pick-up position is picked up by the transfer head, the position of the part may be shifted from the pick-up position. There was a problem that the parts could not be picked up stably.

As a countermeasure, as described in Patent Document 1 (Japanese Patent Application Laid-Open No. 2000-165091), the stopper portion is separated from the component conveyance path (chute member), and the stopper portion is attached to the base member side that does not vibrate. In some cases, by preventing the stopper portion from vibrating, the rebound when the component collides with the stopper portion is reduced.
JP 2000-165091 A (first page, etc.)

  Even if it is configured such that the stopper portion at the pickup position does not vibrate during the vibration conveying operation as in the above-mentioned Patent Document 1, the rebound when the component collides with the stopper portion cannot be completely prevented. The amount of bounce is only reduced.

  Moreover, in order to increase the cycle time, it is necessary to increase the vibration of the device and shorten the conveyance time. However, if the vibration of the device is increased, the component collides with the stopper portion even if the stopper portion does not vibrate. The amount of rebound at the time becomes large.

  For this reason, even with the technique of Patent Document 1, the position of the component may deviate from the pickup position, and the conventional problem that the component cannot be stably picked up by the transfer head cannot be completely solved.

  The present invention has been made in view of such circumstances. Therefore, even if the vibration of the apparatus is increased to improve the cycle time, the object of the present invention is to stably stop the parts to be conveyed at the pickup position. An object of the present invention is to provide a vibration transfer device and a chute member that can be used.

  In order to achieve the above object, according to the present invention, a positioning recess that matches the shape of the lower surface side of a component to be transferred is formed at a pickup position in the component transfer path, and the component is moved into the positioning recess by a vibration transfer operation. This part is configured so that the part is positioned at the pickup position. In this configuration, even if the vibration of the device is increased to improve the cycle time, the part falls into the positioning recess and is fitted into the positioning recess. Therefore, it is possible to completely eliminate the problem of bounce of parts by the stopper portion at the conventional pickup position. Thus, in the present invention, even if the vibration of the apparatus is increased to improve the cycle time, the parts to be conveyed can be stably positioned and stopped at the pickup position, and the parts can be stably stabilized by the transfer head. Can be picked up.

  By the way, there are parts to be transported in various shapes, and there are parts that are transported in a horizontal posture, but parts that are transported in an inclined posture (the shape on the lower surface side is different in height). Some parts are unbalanced.

  For a component having a shape conveyed in a horizontal posture, the shape of the positioning recess may be matched with the shape of the entire lower part of the component, and the entire lower part of the component may be fitted into the positioning recess. In this case, the bottom surface of the positioning recess may be a horizontal flat surface.

  On the other hand, for parts with a shape that is transported in an inclined posture, when the entire lower part of the part is fitted in the positioning recess, the bottom shape of the positioning recess is matched to the height difference on the lower surface side of the part. What is necessary is just to form in the bottom face shape with a different height. Accordingly, it is possible to stably support a component having a shape conveyed in an inclined posture in a posture suitable for pickup in the positioning recess (pickup position).

  In addition, for a component having a shape that is conveyed in an inclined posture, the shape of the positioning recess is formed into a shape that fits only a portion of the lower surface side of the component that protrudes downward, and protrudes downward. By fitting only the portion into the positioning recess, the part may be positioned in a posture suitable for pickup (for example, a horizontal posture) at the pickup position. Even in this configuration, it is possible to stably support a component having a shape conveyed in an inclined posture in a posture suitable for the pickup at the pickup position.

  By the way, when supporting a component that is transported in an inclined posture in a horizontal posture at the pickup position, the height correction corresponding to the height difference on the lower surface side of the component is made on one side of the bottom surface of the component conveyance path. A convex part is formed along the conveyance direction, and the height correction convex part lifts one side of the lower surface of the part so that a component conveyed in an inclined posture is supported in a horizontal posture at the pickup position. It is possible.

  However, in this configuration, since one side of the component is slid onto the height correction convex portion by the vibration conveyance operation, the part on the carry-in side of the height correction convex portion is gradually raised in the conveyance direction. Since it is configured to be formed on an inclined slope surface, if the vibration of the conveying device is small, one side of the component may not be able to climb the upward slope surface of the height correction convex part, and the component may not reach the pickup position. is there. As a countermeasure, when the vibration is increased, the rebound when the component collides with the stopper portion at the pickup position also increases, which causes a problem that the component cannot be stably picked up by the transfer head. Moreover, with this configuration, even if the inclination of the component in the side wall direction with respect to the component conveyance path can be corrected to a horizontal posture, the inclination of the component in the front-rear direction of the component conveyance path cannot be corrected.

  On the other hand, as in the present invention, when a component having a shape that is conveyed in an inclined posture is fitted in the positioning recess and supported in a posture suitable for the pickup, the component to be conveyed is inclined upward. Since it is not necessary to slide the surface up, the component can be reliably conveyed to the pickup position (positioning recess), and the problem of rebounding of the component by the stopper portion at the pickup position can be reliably solved. Moreover, not only the inclination of the parts in the side wall direction with respect to the parts conveyance path, but also the inclination of the parts in the front-rear direction of the parts conveyance path can be corrected to a posture suitable for pickup, and the inclination of the parts in all directions can be picked up. There is an advantage that the posture can be corrected to a suitable position.

  Further, according to the present invention, it is preferable that the component conveyance path and the positioning recess are formed in one chute member and the chute member is attached to the vibration conveyance table in a replaceable manner. In this way, when changing the component to be conveyed, the chute member having a positioning recess that matches the shape of the component can be replaced with a component having various shapes.

Hereinafter, an embodiment embodying the best mode for carrying out the present invention will be described.
First, based on FIG. 1, the structure of the whole vibration type conveying apparatus is demonstrated easily.
On the upper surface side of the apparatus main body 11 of the vibration type conveying apparatus, a vibration conveying table 12 is supported by a vibration generating apparatus (not shown) so as to be able to vibrate in an obliquely up and down direction. (Right direction).

  On the vibration carrier 12, a stick holder 15 that supports a stick 14 that accommodates a plurality of parts 13 (connectors in this embodiment) arranged in a line, and a part that transports the part 13 that slides down from the stick 14 to the pickup position. A chute member 17 constituting the conveyance path 16 is provided. The stick 14 is supported by the stick holder 15 so that its component outlet is continuous in the chute member 17 (component conveying path 16), and the component 13 that slides down from the stick 14 is naturally introduced into the component conveying path 16 of the chute member 17. It has come to be.

Next, the structure of the chute member 17 will be described with reference to FIG.
The chute member 17 is formed in a bowl shape with plastic or the like, and the inside thereof is used as the component conveying path 16. The pick-up position on the forward end side is a positioning recess that matches the shape of the lower surface side of the component 13 to be conveyed 18 is formed. In the chute member 17, screw insertion holes 19 are formed at a plurality of locations. Screws are inserted into the screw insertion holes 19 from above and tightened to the vibration conveyance table 12, so that the chute member 17 is placed on the vibration conveyance table 12. It is attached so that it can be replaced.

  The length of the chute member 17 is formed such that, for example, two or more parts 13 are aligned in a line, and the width of the inner part conveyance path 16 is a stick from the inlet end to a little before the positioning recess 18. The introduction portion D is formed in accordance with the width of the tip portion of the stick 14 in order to insert the tip portion of the stick 14, and the passage width of the portion from the stick introduction portion D to the positioning recess 18 becomes narrower toward the forward side. The guide passage portion 20 is configured to convey the component 13 while gradually positioning the component 13 toward the positioning recess 18. Accordingly, the width of the guide passage portion 20 on the forward end side is formed in accordance with the width E of the component 13.

  Further, a small step 21 is provided at the boundary between the stick introduction portion D and the guide passage portion 20, and the guide passage portion 20 is formed to be slightly higher than the stick introduction portion D. The step 21 is the stick introduction portion. It plays the role of a stopper that regulates the insertion position of the tip of the stick 14 with respect to D. The height of the step 21 is lower than the thickness of the bottom surface of the stick 14 so that the part 13 coming out of the stick 14 is not caught by the step 21. In the side wall of the stick introduction portion D adjacent to the step 21, a relief recess 22 is formed in the vertical direction necessary for accurately cutting the corner portion of the step 21.

  By the way, there are various shapes of parts to be conveyed, and there are also parts in the shape of being conveyed in a horizontal posture. However, in this embodiment, as shown in FIG. It is a connector (an unbalanced part having a different shape on the lower surface side) conveyed in an inclined posture. FIG. 4 shows a plan view of the component 13 (connector).

  Considering this point, the shape of the positioning recess 18 of the present embodiment is such that only the portion protruding downward of the shape on the lower surface side of the component 13 is fitted, as shown in FIG. Is formed. In this configuration, the part 13 that has been conveyed through the component conveyance path 16 by vibration and has reached the positioning recess 18 (pickup position) has only a portion protruding downward in the shape of the lower surface thereof fall into the positioning recess 18. It will be in the fitted state. Accordingly, the component 13 having a shape conveyed in an inclined posture can be stably supported in a horizontal posture suitable for pickup at the pickup position.

  When the component 13 is fitted in the positioning recess 18, the movement of the component 13 is almost stopped (the component 13 can move only by the backlash), so that the component is rebounded by the stopper at the conventional pickup position. This problem can be solved completely. As a result, even if the vibration of the apparatus is increased to improve the cycle time, the component 13 to be conveyed can be stably positioned and stopped at the pickup position (positioning recess 18), and the component can be stabilized by the transfer head. And can be picked up. In addition, only the downward projecting portion of the shape of the lower surface side of the component 13 falls into the positioning recess 18 so that only the inclination of the component 13 in the side wall direction with respect to the component conveying path 16 is achieved. In addition, the inclination of the component 13 in the front-rear direction of the component conveyance path 16 can be corrected to the horizontal posture, and there is an advantage that the inclination of the component 13 in any direction can be corrected to the horizontal posture.

  When fitting the entire lower part of a component that is transported in an inclined position into the positioning recess, the bottom shape of the positioning recess is adjusted to the height difference on the lower surface side of the component. What is necessary is just to form in a certain bottom face shape. Even if it does in this way, the effect similar to a present Example can be acquired.

  On the other hand, for a component having a shape that is conveyed in a horizontal posture, the shape of the positioning recess may be matched with the shape of the entire lower part of the component, and the entire lower part of the component may be fitted into the positioning recess. In this case, the bottom surface of the positioning recess may be a horizontal flat surface.

  Further, in this embodiment, the component conveying path 16 and the positioning recess 18 are formed in one chute member 17 and the chute member 17 is removably attached on the vibration conveying table 12, so that the components to be conveyed There is an advantage that it is possible to cope with parts of various shapes by changing the chute member 17 having the positioning recess 18 that matches the shape of the part when changing the shape.

  Note that the present invention is not limited to the configuration in which the component is positioned and supported in a horizontal posture by the positioning recess, and the component having a special shape may be positioned and supported in an appropriate posture suitable for the pickup.

It is a front view which fractures | ruptures the principal part and shows the structure of the whole vibration type conveying apparatus in one Example of this invention. (A) is a top view of a chute | shoot member, (b) is AA sectional drawing of (a), (c) is BB sectional drawing of (b). (A) is sectional drawing of the chute member which shows the conveyance state of the components conveyed in the inclined attitude | position, (b) is sectional drawing of the chute member which shows the state which components inserted in the positioning recessed part. It is a top view of components (connector).

Explanation of symbols

  DESCRIPTION OF SYMBOLS 12 ... Vibration conveyance stand, 13 ... Parts, 14 ... Stick, 15 ... Stick holder, 16 ... Component conveyance path, 17 ... Chute member, 18 ... Positioning recessed part, 19 ... Screw insertion hole, 20 ... Guide passage part, 21 ... Step , 22 ... escape recess

Claims (5)

In the vibration type conveying apparatus that conveys the component supplied to the component conveying path to the pickup position by vibrating the member constituting the component conveying path.
A positioning recess that matches the shape of the lower surface side of the component to be transferred is formed at the pickup position in the component transfer path, and the component is fitted into the positioning recess by a vibration transfer operation, so that the component is A vibratory conveyance device characterized by being positioned at a pickup position. The parts to be transported are parts of a shape that is transported in an inclined posture on the parts transport path,
The positioning recess is formed in a shape that fits only a portion protruding downward in the shape of the lower surface side of the component to be conveyed, and only the portion protruding downward is fitted in the positioning recess, 2. The vibratory conveying apparatus according to claim 1, wherein the component is positioned at a position suitable for pickup at the pickup position.   3. The vibratory conveyance according to claim 1, wherein the component conveyance path and the positioning recess are formed in one chute member, and the chute member is attached to the vibration conveyance table in a replaceable manner. apparatus. In the chute member that is mounted on the vibration transfer table of the vibration transfer device and in which the component transfer path is formed,
A positioning recess that matches the shape of the lower surface side of the component to be transported is formed at the pickup position in the component transport path, and the component is fitted into the positioning recess by a vibration transport operation so that the component is A chute member that is positioned at a position. The parts to be transported are parts of a shape that is transported in an inclined posture on the parts transport path,
The positioning recess is formed in a shape that fits only a portion protruding downward in the shape of the lower surface side of the component to be conveyed, and only the portion protruding downward is fitted in the positioning recess, The chute member according to claim 4, wherein the component is configured to be positioned in a posture suitable for pickup at the pickup position.

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