JP4024809B2 - Parts feeder - Google Patents

Description

  The present invention relates to a parts feeder for conveying workpieces, and more particularly, to a parts feeder that can convey workpieces separately from each other.

  Conventionally, a parts feeder has been used to supply workpieces such as electronic components to a transfer table. This parts feeder has a ball feeder that feeds a plurality of workpieces in the vicinity of the center and conveys the workpiece while circulating a spiral track provided in the vicinity of the outer periphery, and a linear feeder that conveys the workpiece in a straight line. The workpieces are conveyed using, for example, vibration while being aligned in a fixed direction and in a line by using individual or combination parts feeders. However, if a part of the work is sticky or the work itself is in a state of being charged with static electricity, the work may be coupled to each other and the work may not be aligned in a normal state. In this case, even if the vibration of the parts feeder is strengthened, the workpieces may not be coupled to each other. In this case, the workpieces are uncoupled by human hands. This has led to a decline in operating rates and an increase in personnel costs.

  As described above, the parts feeder has a ball feeder or a linear feeder for conveying the workpieces while aligning them in a line, but when the workpieces are conveyed by the parts feeder, the workpieces are joined together to reliably convey the workpieces. There are things you can't do.

  The present invention has been made in consideration of such points, and an object of the present invention is to provide a parts feeder for workpiece conveyance that can reliably convey workpieces separated from each other.

The present invention includes a workpiece separation mechanism, Ri Do from the ball feeder with truck electronic component conveying, in parts feeder for transporting the electronic component, the work separation mechanism, the electronic component upward is provided on the peripheral track of the ball feeder It consists of an air blowing port to be blown, a net support provided above the air blowing port, and a net provided on the net support, and receives electronic components that have been blown upward by compressed air from the air jet The work separation mechanism has an air squirt port inclined toward the side of the track, and the work separation mechanism is made of a soft fiber material so as not to damage the electronic components. A parts feeder characterized by receiving electronic parts .

The present invention includes a workpiece separation mechanism, a linear feeder, is connected to the linear feeder, Ri Do and a return feeder having a track for electronic components transported in parts feeder for transporting the electronic component, the work separation mechanism, the return feeder An air blower opening provided on the truck for flying electronic components upward, a net support provided above the air blower opening, and a net provided on the net support, and compressed air from the air jet possess a work receiving for receiving the electronic component blown upward, the air jet ports of the workpiece separation mechanism is inclined toward the side of the track, the network of the workpiece separation mechanism Tsu Do a soft fibrous material Te, a parts feeder characterized by Rukoto received the electronic parts so as not to damage the electronic parts.

  The present invention is the parts feeder, wherein the air blowing port of the workpiece separating mechanism is inclined forward in the traveling direction of the truck.

  The present invention is the parts feeder, wherein the air blowing port of the workpiece separating mechanism is connected to an air supply unit, and the air supply unit intermittently supplies air to the air blowing port.

  According to the present invention, workpieces to be coupled can be separated from each other in the parts feeder, and the separated workpieces can be reliably aligned in a line by the parts feeder and conveyed along a linear direction.

  Embodiments of the present invention will be described below with reference to the drawings.

  1 to 3 are views showing an embodiment of a parts feeder for workpiece conveyance according to the present invention.

  As shown in FIGS. 1 to 3, a workpiece feeder parts feeder 10 aligns workpieces W such as electronic components in a line and feeds them along a linear direction, and supplies the workpieces W to the linear feeder 12. And a ball feeder 11 to be used.

  The parts feeder 10 shown in FIGS. 1 to 3 is a combination type of a ball feeder 11 that supplies a workpiece W and a linear feeder 11 that conveys the workpiece to the next process, and the arrows in FIG. 1 indicate the conveyance direction of the workpiece W.

  Among these, the ball feeder 11 has a center portion 11 b protruding upward, and a work transport track 11 a that transports the workpiece W upward in a spiral shape to the periphery and sends the workpiece W to the linear feeder 12 is formed. The work transporting track 11a is formed in a spiral shape over 3 to 4 turns.

  Next, the workpiece separation mechanism 1 which is the main element of the present invention will be described.

  The innermost track 11 a of the ball feeder 11 is provided with a through-hole that becomes an air blowing port 20 having a diameter slightly smaller than the width of the workpiece W.

  The air blowing port 20 is connected to an air supply unit 22 through an air pipe 21, and the air supply unit 22 can supply air to the air blowing port 20 continuously or intermittently.

  A work receiver 15 is disposed above the air blowing port 20. The work receiver 15 includes a cylindrical body 17 which is a net support body having an upper end and a lower end opened, and a net body 16 provided in the upper end opening of the cylindrical body 17.

  In this case, the workpiece separation mechanism 1 includes an air blowing port 20 connected to the air supply unit 22 and a workpiece receiver 15 including a mesh support and a mesh body 16.

  Further, the net body 16 is fixed to the upper end opening of the cylindrical body 17 by a stop ring 18. The workpiece W that has been blown upward by the compressed air from the air blowing port 20 enters the cylindrical body 17 from below, contacts the upper net body 16, and then falls into the ball feeder 11. .

  1 to 3, when the work W passes over the air blowing port 20, the compressed air is continuously or intermittently ejected, and the separated normal work W or the joined work W are all once upward. To be skipped. The workpiece W that has been struck collides with the net 16 provided on the cylindrical body 17 and then falls onto the ball feeder 11, but the workpiece W coupled by the impact at this time is separated. It should be noted that the blow direction from the air blow port 20 is inclined toward the side of the track 11a so that the dropped work W is not again blown upward by the blow from the air blow port 20. The net 16 is preferably made of a soft fiber material so that the work W is not damaged when it hits the net 16.

  That is, when the workpiece W that hits the mesh body 16 is returned to the ball feeder 11, if the repulsive force of the mesh body 16 is too strong, the workpiece W may be damaged even when the workpiece W is dropped. The net 16 is stretched at the upper end opening of the cylindrical body 17 with low tension.

  Next, the operation of the present embodiment having such a configuration will be described.

  The workpiece W thrown into the ball feeder 11 is directed from the central portion 11b to the track 11a side of the peripheral portion by vibration from a vibration source (not shown), and passes through the spiral track 11a provided in the ball feeder 11 to the linear feeder 12. Change. The workpiece W conveyed by vibration in the linear feeder 12 is dropped to the return feeder 13 in the case of an abnormal posture and shape.

  When the workpieces W are coupled to each other in the ball feeder 11, the balance is usually lost in the process of passing through the track 11a, the workpiece W falls to the ball feeder 11, and moves from the central portion 11b to the peripheral track 11a side, and this action is repeated. .

  On the track 11 a of the ball feeder 11, an air blowing port 20 that is a part of the workpiece separating mechanism 1 is provided. Therefore, in the ball feeder 11, when the work W passes just above the air blowing port 20 provided in the track 11 a, the work W is blown up by the compressed air from the air blowing port 20. The workpiece W enters the cylindrical body 17 of the workpiece receiver 15 from below and comes into contact with the mesh body 16. When the workpiece W is in a coupled state, impact stress is applied to the coupled portion of the workpiece W and the workpiece W is highly probable. Are separated. In addition, when the workpiece W falls onto the ball feeder 11, stress is similarly applied, and the coupled workpiece W is further separated. If the workpiece W that has fallen is again blown upward by the fumarole, the conveyance of the workpiece W is delayed. In this embodiment, the direction of the fumarole from the air vent 20 is slightly on the center of the ball feeder 11, that is, on the right side of the track 11a. It is inclined to the direction. In this case, the same effect can be obtained even if the air blowing port 20 is inclined forward in the workpiece traveling direction of the track 11a.

  By the way, when the compressed air is continuously supplied from the air supply unit 22, the workpiece W may be constantly pressed against the mesh body 16 particularly in the cylindrical body 17, so that the compressed air is intermittently sent to the air blowing port 20. As a result, the blowing and dropping of the workpiece W are efficiently repeated, and the separation efficiency of the workpiece W is further improved.

  Considering the case where the workpiece W is easily damaged, the material of the mesh body 16 is made of a soft fiber material. Moreover, in order to reduce the momentum when the workpiece W collides with the mesh body 16 and drops to the ball feeder 11 due to the repulsive force, the mesh body 16 is desirably installed in a low tension state.

  Next, another embodiment of the present invention will be described with reference to FIG.

  As shown in FIG. 4A, the workpiece feeder parts feeder 25 includes a linear feeder 12 and a workpiece that is connected to the linear feeder 12 and drops from the linear feeder 12, for example, a mismatched direction or an irregular shape due to connection or the like. And a return feeder 13 that receives W and sends it to the linear feeder 12 side.

  The parts feeder 25 composed of the linear feeder 12 and the return feeder 13 has a self-feeding ability, and widens the track 12a and the track 13a shown in FIG. This is a separate supply type. The arrows in FIG. 4 indicate the conveyance direction of the workpiece W.

  Of these, the return feeder 13 has a work transporting track 13 a, an air jet port 20 is provided in the track 13 a, and a work receiver 15 is provided above the air jet port 20.

  In FIG. 4, the air blast port 20 and the work receiver 15 constituting the workpiece separation mechanism 1 have the same structure as the air blast port 20 and the work receiver 15 shown in FIGS. 1 to 3.

  Also in FIG. 4, the workpiece W traveling on the track 13 a of the return feeder 13 is intermittently ejected with the compressed air from the air blowing port 20 to effectively separate the combined workpiece W, and then the linear feeder 12. Can be supplied to the side.

  FIG. 5 shows another embodiment of the workpiece separation mechanism 1, in which the ball feeder 11 is provided with an air blowing port 20, and a workpiece receiver 15 is provided facing the air blowing port 20.

  The work receiver 15 includes a net attachment plate (net support) 30, an opening 30 a provided in the net attachment plate 30, and a net 31 fixed to the upper portion of the opening 30 a by a net attachment ring 32. ing.

  Note that one end of the work attachment mesh mounting plate 30 is fixed to the outer periphery of the ball feeder 11 so that the mesh body 31 faces the air blowing port 20.

  In the above description, the workpiece separation mechanism 1 is described as being one for each part feeder (ball feeder, linear feeder), but a plurality of workpiece separation mechanisms 1 may be provided if necessary. Moreover, although the air blast port 20 and the workpiece receiver 15 of the workpiece separation mechanism 1 have been described as one-to-one, the network body 16 of the workpiece receiver 15 may be widened to form a plurality of air blast ports 20.

FIG. 1 is a schematic plan view showing an embodiment of a parts feeder according to the present invention. FIG. 2 is an AA view showing an embodiment of a parts feeder according to the present invention. 3 is an enlarged view of the workpiece separation mechanism shown in FIG. FIG. 4A is a view showing another embodiment of the parts feeder according to the present invention, and FIG. 4B is a cross-sectional view taken along line BB in FIG. FIG. 5 is a view showing another embodiment of the workpiece separating mechanism according to the present invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Work separation mechanism 10 Parts feeder 11 Ball feeder 11a Track 11b Central part 12 Straight feeder 15 Work receiving 16 Net body 17 Cylindrical body 20 Air blowing port 22 Air supply part 25 Parts feeder 30 Net mounting plate 31 Net body

Claims (4)

Comprising a workpiece separation mechanism, Ri Do from the ball feeder with truck electronic component conveying, in parts feeder for transporting the electronic component,
Work separation mechanism is composed of a air jet ports skip electronic component upward is provided on the peripheral track of the ball feeder, and the network support provided above the air jet ports, a mesh member which is provided to the network support A workpiece receiver that receives electronic components that have been blown upward by compressed air from an air outlet,
The air blowing port of the workpiece separation mechanism is inclined toward the side of the truck,
The parts feeder is characterized in that the workpiece separating mechanism is made of a soft fiber material and receives an electronic component so as not to damage the electronic component . A workpiece separation mechanism;
A linear feeder,
Is connected to the linear feeder, Ri Do and a return feeder having a track for electronic components transported in parts feeder for transporting the electronic component,
The workpiece separating mechanism is composed of an air blowing port provided on the track of the return feeder to fly electronic components upward, a net support provided above the air blowing port, and a net provided on the net support . possess a work receiving for receiving the electronic component blown upward by the compressed air from the air injection port,
The air blowing port of the workpiece separation mechanism is inclined toward the side of the truck,
The network of work separating mechanism I Do a soft fibrous material, the parts feeder characterized by Rukoto receiving electronic components so as not to damage the electronic components.   The parts feeder according to claim 1, wherein the air blowing port of the workpiece separating mechanism is inclined forward in the traveling direction of the track. The work air jet ports of the separation mechanism is connected to an air supply unit, the parts feeder according to any one of claims 1 to 3 the air supply unit and supplying intermittently air into the air jet ports.

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