JP2007069327A - Separation device of bar-like workpiece - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a separation device which is applicable for a workpiece without being limited to a light weight bar-like workpiece and can separate the bar-like workpiece one by one with a simple and inexpensive constitution without generating noise such as vibration or the like and without causing damages such as wear or flaw to the bar-like workpiece. <P>SOLUTION: A first shielding part 8 is liftably provided in the inclined downstream direction of a bottom surface 5 of a workpiece storage part 3 capable of storing a lot of bar-like workpiece W, a bar-like workpiece W flowing down is shielded and restricted at a descending position, and the flowing down of the bar-like workpiece W in the inclined downstream direction is allowed at the ascending position. A second shielding part 9, which is adjacent in the inclined downstream direction of the bottom surface 5 and can be lifted along with the first shielding part 8, is provided. The second shielding part 9 has a separation distance capable of storing only one bar-like workpiece W between the second shielding part 9 and the first shielding part 8. The flowing down of the bar-like workpiece W passed through the first shielding part 8 is restricted at the ascending position, the bar-like workpiece W is interposed with the first shielding part 8 in the lowering process from the ascending position, and the bar-like workpiece W is separated one by one by allowing the flowing down in the downstream direction of the bar-like workpiece W at the descending position. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a bar-shaped workpiece separating apparatus that separates and transports a large number of bar-shaped workpieces loaded into a workpiece storage unit such as a hopper one by one.

  As a conventional rod-shaped workpiece separating device, for example, a large number of pins are put into a ball that is a workpiece housing portion, and the ball is vibrated, so that the track is formed in a spiral shape from the center bottom of the ball toward the radially outward direction. A so-called parts feeder is known in which the pins are separated and carried out one by one (see, for example, Patent Document 1).

JP-A-6-31547

  However, in the above-described parts feeder, the ball that accommodates a large number of pins is torsionally vibrated, so that the configuration becomes complicated and the cost is increased. There is concern about damage. Moreover, since the noise due to vibration is large, there is a concern that the working environment may be deteriorated.

  In addition, there is a problem that can be applied only to a relatively light rod-shaped workpiece because the rod-shaped workpiece is separated and carried out one by one using vibration.

  Therefore, the object of the present invention made in view of such points is not limited to a lightweight bar-shaped workpiece without generating noise such as vibration or causing damage such as wear or scratches to the bar-shaped workpiece. Another object of the present invention is to provide a rod-shaped workpiece separating device that can separate the rod-shaped workpieces one by one with a simple and inexpensive configuration.

  The rod-shaped workpiece separating device according to claim 1, which achieves the above-described object, is provided so as to be able to move up and down on a tilted downstream side of the bottom surface, and a workpiece accommodating portion having a bottom surface that can accommodate the rod-shaped workpiece and is inclined inside. A first shielding portion that blocks and restrains the rod-shaped workpiece flowing down at the lowered position and allows the rod-shaped workpiece to flow down in the inclined downstream direction at the raised position; and adjacent to the inclined downstream side of the bottom surface, A rod-shaped workpiece that is provided so as to be able to move up and down together with the first shielding portion, has a separation distance that can accommodate only one rod-shaped workpiece between the first shielding portion, and has passed through the first shielding portion at the raised position. A second shield part that interposes a rod-shaped workpiece with the first shielding part in the descending process from the ascending position and allows the rod-like workpiece to flow downstream in the descending position; The first shielding part and the second shielding part are driven up and down. Characterized by comprising a dynamic means.

  According to a second aspect of the present invention, in the rod-shaped workpiece separating apparatus according to the first aspect, an alignment plate for aligning the rod-shaped workpieces in a row in the radial direction toward the first shielding portion is provided in the workpiece accommodating portion. It is characterized by that.

  According to a third aspect of the present invention, in the rod-shaped workpiece separating device according to the first aspect, the rod-shaped workpiece interposed between the second shielding portion and the first shielding portion in the descending process from the raised position. In the lowered position, an opening is provided to flow down in the downstream direction.

  According to a fourth aspect of the present invention, in the rod-shaped workpiece separating apparatus according to the first or third aspect, the first shielding portion and the second shielding portion are integrally formed by bending one plate material. It is characterized by.

  According to a fifth aspect of the present invention, in the rod-shaped workpiece separating device according to any one of the first to fourth aspects, the rod-shaped workpiece that is provided side by side with the second shielding portion and has passed through the second shielding portion. In addition to mounting a workpiece, the inclined plate inclined in the axial direction of the rod-shaped workpiece to be mounted, and a discharge passage for receiving the rod-shaped workpiece mounted on the inclined plate and sending it to the outside And

  According to a sixth aspect of the present invention, there is provided the rod-shaped workpiece separation device according to the first aspect, wherein the discharge passage includes a rod-shaped workpiece placed on the inclined downstream side of the inclined plate when the inclined plate is in the raised position. It is characterized by being opened at opposing positions.

  According to the first aspect of the present invention, first, when the first shielding portion and the second shielding portion are in the lowered position, the large number of rod-shaped workpieces accommodated in the workpiece accommodating portion are the first shielding portion. Stopped by shielding. Then, when the first shielding portion and the second shielding portion are raised to the raised position by the driving means, the restraint by the first shielding portion is released, and immediately before the first shielding portion due to the weight of the rod-shaped workpiece. The bar-shaped workpiece located on the side rolls or slides on the inclined bottom surface of the workpiece accommodating portion and comes into contact with the second shielding portion, and is restrained by the second shielding portion. After that, when the first shielding portion and the second shielding portion are lowered by the driving means, in the descending process from the ascending position, the subsequent rod-shaped workpiece following the rod-shaped workpiece restrained by the second shielding portion is Restrained by the first shielding part, only one bar-shaped workpiece is interposed between the first shielding part and the second shielding part. And when the 1st shielding part and the 2nd shielding part reach the descent position, the 1st shielding part and the 2nd shielding part with the rod-shaped work located in front of the 1st shielding part being stopped The bar-shaped workpiece interposed therebetween is unshielded by the second shielding part, and passes through the second shielding part by its own weight. Then, when the first shielding portion and the second shielding portion are raised again by the driving means, the next bar-shaped workpiece positioned immediately before the first shielding portion rolls or slides on the inclined bottom surface of the workpiece accommodating portion. Then, it comes into contact with the second shielding part and is restrained by the second shielding part.

  Therefore, the rod-shaped workpieces accommodated in the workpiece accommodating portion are sequentially separated and carried out one by one, with one cycle of raising and lowering the first shielding portion and the second shielding portion by the driving means.

  That is, the rod-like workpieces can be separated one by one with a simple operation and a simple and inexpensive configuration that only lowers and raises the first shielding portion and the second shielding portion by the driving means, and noise such as vibrations. Can be realized without causing damage to the rod-shaped workpiece, such as wear or scratches due to vibration, and can be applied without being limited to a lightweight rod-shaped workpiece.

  According to the second aspect of the present invention, the alignment plate is provided in the work accommodating portion and the rod-shaped workpieces are aligned in the radial direction toward the first shielding portion. In addition to the effect of the first aspect of the invention, Thus, the workpiece can be removed and the workpieces can be fed sequentially without delay, and the reliability and operating rate of the apparatus can be improved.

  According to the invention described in claim 3, the rod-shaped workpiece interposed between the second shielding portion and the first shielding portion in the descending process from the ascending position flows down in the downstream direction at the descending position. Since the opening is provided, in addition to the effect of the first aspect of the present invention, the rod-shaped workpiece can be stopped and released with the simpler configuration as the second shielding portion is raised and lowered.

  According to the invention described in claim 4, since the first shielding part and the second shielding part are integrally formed by bending one plate material, in addition to the effect of the invention described in claim 1 or claim 3, The number of parts can be reduced, and the configuration of the first shielding part and the second shielding part can be simplified.

  According to the fifth aspect of the present invention, the bar-shaped workpiece that has passed through the second shielding portion is placed on the inclined plate, and the discharge passage receives the bar-shaped workpiece and sends it out. Therefore, the rod-like workpieces separated by the apparatus according to the present invention can be sent to the outside one by one through the discharge passage.

  According to the sixth aspect of the present invention, when the inclined plate is in the raised position, the discharge passage is opened at a position facing the rod-shaped workpiece placed on the inclined downstream side of the inclined plate. The bar-shaped workpiece on the plate and the discharge passage face each other, and the rod-shaped workpiece on the inclined plate slides by the dead weight of the rod-shaped workpiece, is transferred to the discharge passage, and is sent to the outside.

  DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of a rod-like workpiece separating device according to the present invention will be described below with reference to the drawings.

  FIG. 1 to FIG. 10 show an embodiment of the present invention. FIG. 1 is a front view showing an overall schematic configuration of a whole rod-shaped workpiece separating device in partial cross section, FIG. 2 is a plan view, and FIG. 4 is an explanatory view of a rod-shaped workpiece, FIG. 5 is a perspective view of a first shielding portion, a second shielding portion, and an inclined plate, and FIGS. 6 to 10 are diagrams for explaining the operation. is there.

  In this embodiment, as shown in FIG. 4, a cylindrical rod-shaped workpiece W having a length L and a diameter D is employed as the rod-shaped workpiece.

  As shown in FIGS. 1 to 3, in the rod-shaped workpiece separating apparatus 1, a hopper 3, which is a workpiece accommodating portion capable of accommodating a large number of rod-shaped workpieces W, is disposed on a base 2. The upper portion of the hopper 3 is opened as a carry-in entrance 4 for the rod-shaped workpiece W, and a bottom surface 5 that is inclined is provided inside, and guide walls 6 are provided on both sides along the inclination direction. The inclination angle of the bottom surface 5 is set to an angle at which the bar-shaped workpiece W can roll. The guide walls 6, 6 are arranged to face each other in order to align (head align) the ends of the rod-shaped workpiece W, and the mutual distance M between the guide walls 6, 6 is on the inclined downstream side of the bottom surface 5. The dimension is set to be slightly wider than the length L of the rod-shaped workpiece W, and is gradually expanded on the inclined upstream side. For simplification of the drawing, the guide wall 6 is not shown in FIG.

  Further, on the inclined downstream side of the bottom surface 5 of the hopper 3, a separating and sending means 7 for separating and sending the rod-like workpieces one by one is disposed. The separating and sending means 7 includes the first shielding portion 8 and the second shielding portion 8. The first shielding portion 8, the second shielding portion 9, and the inclined plate 10 are integrally configured, and the lifting and lowering cylinder 11, which is driving means, is interposed via the lifting member 12. Is lifted up and down.

  That is, the inclined downstream side of the bottom surface 5 of the hopper 3 is opened, the opening width D1 thereof is set to be larger than the diameter D of the rod-like workpiece W, and the separating and feeding means 7 is disposed in the opening portion so as to be able to move up and down. ing.

  The first shielding portion 8 and the second shielding portion 9 constituting the separating and sending means 7 are integrally formed by bending one plate material, and the second shielding portion 9 is adjacent to the bottom surface 5 of the hopper 3 and is vertically The first shielding part 8 is formed on the distal end side by bending the upper part of the second shielding part 9 in an inverted U shape in the direction of the inclination upstream of the bottom surface 5.

  As shown in FIGS. 1 and 6, an alignment plate 13 for aligning the rod-like workpieces W in a row in the radial direction is provided inside the hopper 3 so as to be placed in the hopper 3. The rod-shaped workpieces W are aligned by the alignment plate 13 and are arranged in a radial direction to reach the separating and feeding means 7.

  The first shielding portion 8 contacts the bottom surface 5 of the hopper 3 at the lowered position (lower end) of the first shielding portion 8, the second shielding portion 9, and the inclined plate 10 due to the extension of the rod 11 a of the lifting cylinder 11. The rod-shaped workpiece W is contacted or approached to block and restrain the rod-shaped workpiece W, and only one rod-shaped workpiece W is placed in the space formed by the bottom surface 5 of the hopper 3, the first shielding portion 8, and the second shielding portion 9. The height dimension of the 1st shielding part 8 and the separation distance between the 1st shielding part 8 and the 2nd shielding part 9 are set so that it can interpose.

  Further, as shown in FIG. 5, the second shielding part 9 is provided with an opening 9a substantially opposite to the first shielding part 8, and the height dimension and width dimension of the opening 9a are respectively a rod-shaped workpiece W. The diameter and length are set to be slightly larger than the diameter, and the bar-shaped workpiece W is set to be able to pass through the opening 9a. Then, as shown in FIG. 7, the first shielding portion 8 at the rising position (rising end) of the first shielding portion 8, the second shielding portion 9, and the inclined plate 10 due to the retraction of the rod 11 a of the elevating cylinder 11. 8 is released from the restriction of the rod-shaped workpiece W, allows the rod-shaped workpiece W to flow downward in the inclined direction, and the opening 9a of the second shielding portion 9 is positioned above the second shielding portion 9. The operation amount of the elevating cylinder 11 is set so as to stop the flow of the rod-shaped workpiece W that has passed through the one shielding portion 8.

  The lower end position of the opening 9a of the second shielding portion 9 is the end of the bottom surface 5 of the hopper 3 at the lowered position (lower end) of the first shielding portion 8, the second shielding portion 9, and the inclined plate 10. It is set so as to be slightly lower than the end portion of the bottom surface 5 that coincides with the portion.

  On the other hand, the inclined plate 10 is placed below the opening 9a of the second shielding portion 9 and places the rod-like workpiece W that has passed through the opening 9a, and is inclined in the axial direction of the rod-like workpiece W to be placed. The second shielding portion 9 is provided on the opposite side of the first shielding portion 8. That is, the inclined plate 10 functions as a chute and is inclined in a direction perpendicular to the inclined direction of the bottom surface 5 of the hopper 3. The inclined angle of the inclined plate 10 is an angle at which the rod-shaped workpiece W can slide in the axial direction. The width of the inclined plate 10 is set to be slightly larger than the diameter D of the rod-shaped workpiece W so as not to prevent the sliding of the rod-shaped workpiece W. In the present embodiment, as shown in FIG. 5, the inclined plate 10 is formed on a U-shaped cross section, but may be configured by a simple flat plate. That is, even if the inclined plate 10 is formed of a flat plate, the bar-shaped workpiece W that slides on the inclined plate 10 can be guided by the side surface of the second shielding portion 9 and the wall surface 3 a of the hopper 3.

  Further, a discharge passage 14 that functions as a chute that receives the rod-like workpiece W placed on the inclined plate 10 and sends it out is fixed to the side surface of the hopper 3 at an inclination angle substantially the same as that of the inclined plate 10. In the discharge passage 14, the first shielding part 8, the second shielding part 9, and the inclined plate 10 are placed on the inclined plate 10 in the inclined downstream direction of the inclined plate 10 at the rising position (rising end). The bar-shaped workpiece W is opened at a position facing the rod-shaped workpiece W in the axial direction. In order to allow the rod-shaped workpiece W on the inclined plate 10 to be transferred to the discharge passage 14, the opening 15 of the discharge passage 14 that opens to the side surface of the hopper 3 is set to have a larger diameter than the diameter D of the rod-shaped workpiece W. In addition, in FIG.1, FIG.6, FIG.7, FIG.9 and FIG. 10, the opening 15 is located in the near side of a figure.

  Next, the operation of the rod-shaped workpiece separating apparatus 1 according to the present embodiment will be described.

  First, by extending the rod 11 a of the elevating cylinder 11, the first shielding portion 8, the second shielding portion 9, and the inclined plate 10 are moved to the lowered position (lowering end), and a large number of rod-shaped workpieces W are put into the hopper 3. As shown in FIG. 6, the rod-shaped workpiece W put into the hopper 3 is aligned (head aligned) by the guide walls 6, 6, and rolled by the inclination of the bottom surface 5 of the hopper 3, The alignment plates 13 are aligned in a row in the radial direction toward the first shielding portion 8 and are restrained by the shielding of the first shielding portion 8.

  Thereafter, when the first shielding portion 8, the second shielding portion 9, and the inclined plate 10 are raised by the retreat of the rod 11a of the elevating cylinder 11, as shown in FIG. The restraint against W is released, and the rod-shaped workpiece W1 positioned immediately before the first shielding portion 8 rolls or slides on the inclined bottom surface 5 of the hopper 3 in the inclined downstream direction by the dead weight of the rod-shaped workpiece W. Since the opening 9a of the shielding portion 9 is located above the rod-shaped workpiece W1, the rod-shaped workpiece W1 comes into contact with the second shielding portion 9 and is restrained by the second shielding portion 9. The rod-shaped workpiece W2 following the rod-shaped workpiece W1 and the rod-shaped workpiece W thereafter are also sequentially rolled or slid.

  And when the 1st shielding part 8, the 2nd shielding part 9, and the inclination board 10 are lowered | hung by the raising / lowering cylinder 11 again from the raising position (rising end), in the descending process from an raising position, FIG. As shown, the subsequent bar-shaped workpiece W <b> 2 following the bar-shaped workpiece W <b> 1 restrained by the second shielding portion 9 is restrained by the first shielding portion 8. As described above, the first shielding portion 8 is configured so that only one bar-shaped workpiece W can be interposed in the space formed by the bottom surface 5 of the hopper 3, the first shielding portion 8, and the second shielding portion 9. Since the height dimension and the separation distance between the first shielding part 8 and the second shielding part 9 are set, at this time, the first shielding part 8 and the second shielding part 9 Only one rod-like workpiece W1 is interposed therebetween.

  Further, when the first shielding part 8, the second shielding part 9 and the inclined plate 10 are lowered and reach the lowered position (falling end), the rod-like workpiece W2 located in front of the first shielding part 8 is stopped. The rod-shaped workpiece W1 interposed between the first shielding part 8 and the second shielding part 9 is left by the second shielding part 9 because the opening 9a of the second shielding part 9 is opposed. The shielding is released, and the rod-shaped workpiece W1 rolls or slides due to its own weight, passes through the opening 9a of the second shielding portion 9, and is transferred to the inclined plate 10. The rod-like workpiece W1 slides on the inclined plate 10 inclined in the axial direction in the inclined downstream direction.

  After that, when the first shielding part 8, the second shielding part 9, and the inclined plate 10 are again raised by the lifting cylinder 11, as shown in FIG. The bar-shaped workpiece W2 rolls or slides on the inclined bottom surface 5 of the hopper 3 to come into contact with the second shielding part 9 and is restrained by the second shielding part 9. And when the 1st shielding part 8, the 2nd shielding part 9, and the inclination board 10 reach the raising position (rising end), as shown in the two-dot chain line of Drawing 3 and Drawing 10, of discharge passage 14 The rod-shaped workpiece W1 on the inclined plate 10 and the discharge passage 14 face each other through the opening 15, and the rod-shaped workpiece W1 on the inclined plate 10 slides by the dead weight of the rod-shaped workpiece W1 and is delivered to the discharge passage 14 to the outside. Sent out.

  By repeating the above operation, the rod-shaped workpiece W accommodated in the hopper 3 is sequentially moved up and down by the lifting cylinder 11 with the first shielding portion 8, the second shielding portion 9 and the inclined plate 10 ascending and descending as one cycle. Separate one by one and carry it out.

  Therefore, the rod-like workpieces W are separated one by one with a simple operation and simple and inexpensive configuration that only lowers and raises the first shielding portion 8, the second shielding portion 9, and the inclined plate 10 by the lifting cylinder 11. It can be carried out without generating noise such as vibration or damaging the rod-shaped workpiece W such as wear or scratches due to vibration.

  In addition, since the alignment plate 13 is provided in the hopper 3 and the rod-shaped workpieces W are aligned in a radial direction toward the first shielding portion 8, the rod-shaped workpieces W are eliminated and the rod-shaped workpieces W are sequentially fed without delay. The reliability and operating rate of the apparatus can be improved.

  Furthermore, since the second shield 9 is provided with an opening 9a for allowing the rod-shaped workpiece W interposed between the first shield 8 and the first shield 8 to descend in the downward direction from the ascending position. In addition, it is possible to realize the stopping and releasing of the rod-shaped workpiece W accompanying the raising and lowering of the second shielding portion 9 with a simpler configuration.

  In addition, since the first shielding part 8 and the second shielding part 9 are integrally formed by bending one plate material, the number of parts can be reduced, and the first shielding part 8 and the second shielding part 9 can be reduced. This simplifies the configuration.

  In addition, this invention is not limited to the said embodiment, A various change is possible in the range which does not deviate from the meaning of invention. For example, in the above embodiment, the discharge passage is opened at a position facing the rod-shaped workpiece in the axial direction of the rod-shaped workpiece placed on the inclined plate when the inclined plate is in the raised position, and the rod-shaped workpiece is raised at the raised position. W is sent to the outside, but in the descending position of the inclined plate, a discharge passage is opened at a position facing the rod-shaped workpiece in the axial direction of the rod-shaped workpiece placed on the inclined plate, and the rod-shaped workpiece is lowered at the lowered position. W may be sent to the outside. The present invention is not limited to a cylindrical bar-shaped workpiece, and can also be applied to separation of a bar-shaped workpiece such as a polygonal column shape that is substantially similar to a cylindrical shape.

The front view which shows the schematic structure of the whole of the separation apparatus of the rod-shaped workpiece | work which concerns on embodiment of this invention in a partial cross section. The top view of FIG. The figure which shows the left side surface of FIG. Explanatory drawing of a rod-shaped workpiece. The perspective view of a 1st shielding part, a 2nd shielding part, and an inclination board It is operation | movement explanatory drawing of the separation apparatus of a rod-shaped workpiece, and is a figure when a 1st shielding part, a 2nd shielding part, and an inclination board exist in a descent | fall position. It is operation | movement explanatory drawing of the separation apparatus of a rod-shaped workpiece | work, and is a figure when a 1st shielding part, a 2nd shielding part, and an inclination board exist in a raise position. It is operation | movement explanatory drawing of the separation apparatus of a rod-shaped workpiece | work, and is a figure when a 1st shielding part, a 2nd shielding part, and an inclination board are in the fall process from a raise position. It is operation | movement explanatory drawing of the separation apparatus of a rod-shaped workpiece | work, and is a figure when a 1st shielding part, a 2nd shielding part, and an inclination board descend | fall to a descent | fall position. It is operation | movement explanatory drawing of the separation apparatus of a rod-shaped workpiece | work, and is a figure when a 1st shielding part, a 2nd shielding part, and an inclination board become a raise position again.

Explanation of symbols

1 Bar-shaped workpiece separator 3 Hopper (work receiving part)
5 Bottom surface 8 First shielding part 9 Second shielding part 9a Opening 10 Inclined plate 11 Elevating cylinder (driving means)
13 Alignment plate 14 Discharge passage W Bar-shaped work

Claims (6)

A workpiece accommodating portion having a bottom surface that can accommodate a rod-shaped workpiece and is inclined inward;
A first shielding portion provided on the inclined downstream side of the bottom surface so as to be movable up and down, blocking and restraining the rod-shaped workpiece flowing down at the lowered position, and allowing the rod-shaped workpiece to flow downward in the inclined downstream direction at the raised position; ,
Adjacent to the inclined downstream side of the bottom surface, provided so as to be able to move up and down together with the first shielding part, having a separation distance that can accommodate only one rod-shaped workpiece between the first shielding part, The flow of the rod-shaped workpiece that has passed through the first shielding portion is stopped, and the rod-shaped workpiece is interposed between the first shielding portion and the rod-shaped workpiece in the downstream direction from the rising position. A second shield that allows flow down;
A bar-shaped workpiece separation device, comprising: a drive unit that drives the first shielding unit and the second shielding unit to move up and down.   2. The rod-shaped workpiece separating apparatus according to claim 1, wherein an alignment plate for aligning the rod-shaped workpieces in a radial line toward the first shielding portion is provided in the workpiece accommodating portion.   The second shield part is provided with an opening for allowing a rod-shaped workpiece interposed between the second shield part and the first shield part in the descending process from the raised position to flow downward in the lowered position. Item 1. A rod-shaped workpiece separating apparatus according to Item 1.   4. The bar-shaped workpiece separating apparatus according to claim 1, wherein the first shielding part and the second shielding part are integrally formed by bending a single plate material. An inclined plate that is provided alongside the second shielding part and places the rod-shaped workpiece that has passed through the second shielding part, and is inclined in the axial direction of the rod-shaped workpiece to be placed;
5. A work separating apparatus according to claim 1, further comprising: a discharge passage configured to receive a bar-shaped work placed on the inclined plate and send the work to the outside. 6. The bar-shaped workpiece according to claim 5, wherein the discharge passage is opened at a position facing the bar-shaped workpiece placed on the inclined downstream side of the inclined plate when the inclined plate is in the raised position. Separation device.

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