JP6805895B2 - Manufacturing methods for feeders, fastening systems, and threaded fasteners - Google Patents

Description

The present invention relates to a feeding device, a fastening system, and a method for manufacturing a screw fastening.

In Patent Document 1, a plurality of component drop holes having a size corresponding to a plurality of types of components that are rotatably attached to the bottom plate at an angle perpendicular to the inclined surface of the fixing plate and overlap with the component drop port are provided. A rotating drum that houses small parts such as bolts and nuts, and the rotation of the rotating drum picks up the parts at the parts drop hole, and when the part drop hole overlaps with the part drop hole, the part inside the part drop hole passes through the part drop hole. A part receiving part is provided at one end of the chute to be taken out and a swinging rod that swings around the support shaft as a fulcrum at the part taking-out port of the chute, and the weight is adjusted according to the number of parts taken out at the other end. Quantitative parts that stop the motor and stop the rotation of the rotating drum by the possible balance weight and the limit switch that operates by the swing rod when the take-out part of the weight set by the balance weight is taken out to the parts receiving part. A component quantitative extraction device including an extraction control means is disclosed.

Japanese Unexamined Patent Publication No. 2004-29084

An object of the present invention is to provide a supply device having a higher supply rate of parts as compared with the case where the bottom of the container does not have a contact portion that rotates around the shaft while contacting a grooved portion of the shaft body. And.

The invention of claim 1 accommodates a plurality of parts and rotatably supports a bottomed container that rotates around an axis and an inclined posture that penetrates the bottom and has the bottom down. A shaft body in which a groove for passing a component from the inside to the outside of the container is formed, and a contact that rotates around the shaft body while contacting a portion of the shaft body in which the groove is formed at the bottom of the container. A chamfered portion is formed on a contact surface with the shaft body, and the chamfered portion includes a contact portion rising from the bottom.

In the invention of claim 2, in the contact portion rotating around the axis, the end portion on the contact surface side at the boundary between the contact portion in contact with the bottom and the rising portion rising from the bottom is the opening surface of the groove. Pass over.

In the invention of claim 3, the contact portion is rotatably supported on the bottom, and includes an elastic member that pulls or pushes the contact portion toward the shaft body side by an elastic force.

The invention of claim 4 is arranged outside the container and connected to the end of the groove, and is arranged on a passage for dropping parts and a portion of the shaft body outside the container where the groove is formed, and spirals. A spiral body having a member and rotating around an axis to carry the component to the passage while separating the component from each other by the spiral member is provided.

In the invention of claim 5, the spiral member has a winding shape and is arranged radially inside the spiral member and on the component passing through the groove to prevent the component from popping out from the groove. It is equipped with a restraining member.

In the invention of claim 6, the spiral member has a winding shape, the spiral body is fixed to a part of the spiral member, and the spiral member has an arc shape when viewed from the axial direction of the spiral member. It is configured to include a triangular or trapezoidal arc member when viewed from the radial direction, and the arc member straddles the boundary between the groove and the passage as the spiral member rotates, and is above the groove and the passage. Orbit.

The invention according to claim 7 is the supply device according to any one of claims 1 to 6, which supplies screws as the parts, and is arranged below the supply device to fasten a plurality of members with screws. It is provided with a fastening device, a transport unit that connects the supply device and the fastening device, and transports the screws supplied by the supply device to the fastening device.

The invention of claim 8 manufactures a screw fastener by fastening a plurality of members with screws using the fastening system according to claim 7.

The supply device according to claim 1 has a higher supply rate of parts than a case where the bottom of the container does not have a contact portion that rotates around the shaft while contacting a grooved portion of the shaft body. ..

The supply device according to claim 2 has a higher component supply rate than the case where the end portion on the contact surface side at the boundary does not pass over the opening surface of the groove.

The supply device according to claim 3 has a state in which the contact portion is in contact with the grooved portion of the shaft body at the bottom of the container, as compared with the configuration in which the elastic force on the shaft body side is not applied to the contact portion. Be maintained.

The supply device according to claim 4 has a higher supply rate of parts than a case where parts are carried to a passage without separating the parts passing through the groove.

The supply device according to claim 5 has a higher component supply rate than the case where the restraining member for suppressing the component from popping out from the groove is not arranged on the component passing through the groove.

The supply device according to claim 6 has a component as compared with a case where a spiral body composed of only a winding spiral member is rotated about an axis to separate the parts passing through the groove and carry the parts to the passage. The supply rate is high.

The fastening system according to claim 7 produces screw fasteners as compared to the case where the feeding device does not have a contact portion that rotates around the shaft while contacting a grooved portion of the shaft body in the container. The rate is high.

The method for manufacturing a screw fastener according to claim 8 is a screw fastener as compared with a case where a plurality of members are fastened with a screw to manufacture a screw fastener without using the fastening system according to claim 7. Can be manufactured at low cost.

It is the schematic (front view) which shows the screw fastener manufactured using the fastening system of 1st Embodiment and the fastening system of 1st Embodiment. It is a partial view of the supply device and the transport hose constituting the fastening system of 1st Embodiment, and is the schematic (cross-sectional view) seen from the front side. It is a figure which shows the supply device of 1st Embodiment, and is the figure (3-3 sectional view in FIG. 2) seen from the axial direction of the shaft which constitutes the supply device. It is a perspective view which shows the contact member in the supply device of 1st Embodiment. It is a figure which shows the movement locus of the contact member in the supply device of 1st Embodiment, and is the figure (3-3 sectional view in FIG. 2) seen from the axial direction of the shaft which constitutes the supply device. It is a figure which shows the state which the head of a screw is caught in the groove in the structure shown in FIG. 3A. It is a figure which shows the state which the head of a screw is caught in the groove in the structure shown in FIG. 3A. It is a view from the front side of the fastening device and the two stacked plates constituting the fastening system of the first embodiment, and the driver pushes the cam to rotate the cam in the normal direction, and the lower part is attached to the screw in the second cylinder. It is sectional drawing which shows the state which hit and stopped a screw. It is the figure which looked at the fastening device of 1st Embodiment and two superposed plates from the front side, and is the screw in the 2nd cylinder while releasing the screw which the driver separated from the cam and reversed the cam and stopped. It is sectional drawing which shows the state which put the upper part to stop the screw. It is a figure which looked at the fastening device of 1st Embodiment and two superposed plates from the front side, and the tip part of a screwdriver was fitted into the screw held at the lower end part of the 1st cylinder, and screw fastening It is sectional drawing which shows the state which a thing is manufactured. It is a figure which looked at the fastening device of 1st Embodiment and two superposed plates from the front side, and shows the state which the screw fastener was manufactured using the fastening device (fastening system) of 1st Embodiment. It is a sectional view. It is a figure of the supply device of the 1st comparative form, and is the schematic (cross-sectional view) seen from the front side. It is the figure of the screw fastening device of 4th comparative form, and is the schematic (cross-sectional view) seen from the front side. It is the schematic (front view) which shows the screw fastener manufactured by using the fastening system of 2nd Embodiment and the fastening system of 2nd Embodiment. It is a partial view of the supply device and the transport hose constituting the fastening system of the 2nd Embodiment, and is the schematic (cross-sectional view) seen from the front side. It is a schematic diagram (front view) which shows the screw fastener manufactured by using the fastening system of 3rd Embodiment and the fastening system of 3rd Embodiment. It is the figure which looked at the fastening device of 3rd Embodiment from the front side, the state which the driver separated from the cam, reversed the cam, put the upper part on the screw in the 2nd cylinder, and stopped the screw, and 1st It is sectional drawing which shows the state which the stopper attached to the lower end part of a cylinder closes the opening of the lower end of a 1st cylinder. It is the figure which looked at the fastening device of 3rd Embodiment from the front side, the state which a driver pushes a cam, the cam is rotated forward, the lower part is applied to the screw in the 2nd cylinder, and the screw is stopped, and 1st It is sectional drawing which shows the state which the tip part of a screwdriver is fitted in the screw held by the stopper attached to the lower end part of a cylinder. It is the figure which looked at the fastening device of 3rd Embodiment from the front side, and is the schematic diagram which shows the state which the screw in the 2nd cylinder was caught in the cam which was pushed by the driver and turned forward with the movement of the driver downward. is there. It is a view of the fastening device of the third embodiment seen from the front side, and after the screw in the second cylinder is caught on the cam which is pushed by the driver and rotates in the normal direction as the driver moves downward (after FIG. 15). ), It is a schematic diagram showing a state in which a screw is still caught in the cam without reversing the cam after the driver leaves the cam as the driver moves upward. It is a view of the fastening device of the third embodiment seen from the front side, and after the driver separates from the cam as the driver moves upward (after FIG. 16), the cam on which the screw is caught is moved by the moving jig. It is a schematic diagram which shows the state which the screw moved away from a cam by moving by. It is the figure which looked at the fastening device of 3rd Embodiment from the front side, and after moving the cam in which a screw was hooked by a moving jig, and after the screw moved away from a cam (after FIG. 17), by a stopper It is a schematic diagram which shows the state which opened the opening of the lower end of the 1st cylinder which was closed, and was discharged from the opening of the lower end of a 1st cylinder. It is a figure (front view) which shows the deformation example of a spiral body. It is a schematic diagram (front view) which shows the modification of the fastening system and the screw fastener manufactured by using the modification.

"Overview"
Hereinafter, embodiments (embodiments) for carrying out the invention will be described by exemplifying three embodiments (first, second and third embodiments).

"First embodiment"
First, the fastening system 10 (see FIG. 1) of the first embodiment will be described in the order of configuration, operation, and effect.

≪Composition≫
The fastening system 10 (see FIG. 1) of the first embodiment includes a supply device 12, a fastening device 14, and a transport hose 16. Here, the transport hose 16 is an example of a transport unit. As an example, the supply device 12 is arranged above the fastening device 14 in the height direction (H direction in the drawing). The transport hose 16 is made flexible as an example, and the upper end is connected to the supply device 12 and the lower end is connected to the fastening device 14. The fastening system 10 has a function of transporting the screw S from the supply device 12 to the fastening device 14 by the transport hose 16 and manufacturing the screw fastener 18 (see FIG. 7) by the fastening device 14.

Here, the screw S is an example of a component. The screw S of the present embodiment is an male screw as an example. Further, as an example, as shown in FIG. 7, the screw fastener 18 of the present embodiment has a plate 18A sandwiched between the head S1 of the screw S and the plate 18B, and the screw S is fastened to the plate 18B. Say. In other words, the screw fastener 18 of the present embodiment means, as an example, a product manufactured by fastening a plurality of members (plates 18A and 18B) with screws S. Therefore, the plate 18A is formed with a through hole 18A1 which is larger than the diameter of the shaft S2 of the screw S and smaller than the diameter of the head S1. Further, the plate 18B is formed with a screw hole 18B1 that is fitted into a thread (thread groove) of the shaft S2. A cross groove is formed in the head S1 as an example.

The term "supply" in the present specification means that the screw S is delivered from the supply device 12 to the transport hose 16 (supply in a narrow sense), and the screw S is received from the supply device 12 to the fastening device 14 via the transport hose 16. It means passing (supply in a broad sense), and in this specification, it is described as "supply" in each case.

Hereinafter, the configuration of the fastening system 10 will be described separately for each component with reference to the drawings.

<Configuration of supply device>
The supply device 12 has a function of supplying the screw S to the transport hose 16 in a predetermined posture. The defined posture in the present embodiment is a posture in which the head S1 of the screw S is upward. As shown in FIG. 2, the supply device 12 includes a container 20, a drive system 24, a blade 26, a shaft 30, a contact member 40, a coil spring 90, and a support 95. There is.

[Container and drive system]
The container 20 has a function of accommodating the screw S supplied to the transport hose 16. As shown in FIGS. 2 and 3A, the container 20 is, as an example, a bottomed cylinder having one end open. That is, the container 20 is bottomed. The container 20 has a cylinder 21 centered on the axis O and a disk 22 arranged on the other end side of the cylinder 21. A through hole 22A having a diameter D1 centered on the axis O is formed in the disk 22. Here, the disk 22 is an example of the bottom.

The drive system 24 has a function of rotating the container 20 around an axis (centered on the axis O). Here, the drive system 24 is an example of a rotating machine. The arrow R in FIGS. 2 and 3A indicates the rotation direction of the container 20. As shown in FIGS. 2 and 3A, the drive system 24 includes a gear 24A, a bearing 24B, and a drive source (not shown). The gear 24A is formed with a through hole having a diameter D2, and is fixed to the outer surface of the disk 22 with the axis O as the center. The bearing 24B is a ball bearing having an outer diameter D2 and an inner diameter D3 (> diameter D1), and is fitted into a through hole of the gear 24A on the outer peripheral side and on the outer periphery of the shaft 30 on the inner peripheral side. Then, when the gear 24A is driven by the drive source, the container 20 rotates around the axis (centered on the axis O).

As shown in FIG. 2, the container 20 is arranged so as to be inclined with respect to the horizontal direction (direction orthogonal to the height direction) so that the disk 22 is downward. Therefore, the container 20 accommodates the screw S in a state of being brought closer to the side where the disk 22 is arranged. Here, as an example of the drive system 24, there is one having an electric motor (not shown) and a gear (spur gear) fixed to the rotating shaft of the electric motor. In this case, the gear is combined with the gear 24A to transmit the driving force of the electric motor to the container 20.

[Feather]
The blade 26 has a function of rotating around the axis O together with the container 20 and carrying the screw S in the container 20 above the axis O (shaft 30). The blades 26 are arranged in the container 20 as shown in FIGS. 2 and 3A. The blade 26 is rectangular when viewed from the direction orthogonal to the axis O, and is in contact with the cylinder 21 and the disk 22 (see FIG. 2). Further, the blade 26 is recessed in a curved shape on the downstream side in the rotation direction when viewed from the direction along the axis O (axial direction). That is, a curved surface 26A recessed on the upstream side is formed on the downstream side of the blade 26 in the rotational direction. The portion of the blade 26 that comes into contact with the cylinder 21 is adhered to and fixed to the cylinder 21. Then, as the container 20 rotates, the blade 26 mounts the screw S on the curved surface 26A and carries it above the axis O (shaft 30).

[shaft]
The shaft 30 has a function of rotatably supporting the container 20 around the axis (centered on the axis O) in a state where the container 20 is tilted so that the disk 22 is downward. In other words, the shaft 30 has a function of rotatably supporting the container 20 around the axis (centered on the axis O) in an inclined posture in which the disk 22 is on the bottom. Here, the shaft 30 is an example of a shaft body. As shown in FIG. 2, the shaft 30 is arranged so as to be inclined with respect to the height direction (or the horizontal direction). The shaft 30 rotatably supports the container 20 via the bearing 24B and the gear 24A. A part (one end side) of the shaft 30 is arranged in the container 20 through the through hole 22A. That is, the shaft 30 penetrates the disk 22.

The shaft 30 is a rod-shaped member having a diameter of D3. As shown in FIG. 2, the upper portion of the shaft 30 from the inside (inside) to the outside (outside) of the container 20 is recessed more than the thickness of the head S1 of the screw S. A long flat surface 32 along the axial direction is formed in the recessed portion of the shaft 30. Further, the portion of the shaft 30 on which the flat surface 32 is formed, from the inner end of the container 20 to the front beyond the disk 22 to the outer end, extends in the longitudinal direction (axial direction). A long groove 34 is formed that opens upward (upward). As shown in FIG. 3A, the cross-sectional shape of the shaft 30 of the groove 34 as viewed from the axial direction is rectangular.

Here, the width of the shaft 30 in the groove 34 as seen from the axial direction is narrower than the diameter of the head S1 of the screw S and wider than the diameter of the shaft S2, as shown in FIG. 3A. Further, the depth of the groove 34 is deeper than the length of the shaft S2 as shown in FIGS. 2 and 3A. Based on the above relationship, the shaft 30 is configured to be able to hold the screw S in a state where the shaft S2 is inserted into the groove 34 and the head S1 is supported by the flat surface 32 (hereinafter, referred to as a defined holding state). ing. Further, as described above, since the flat surface 32 is inclined along the axial direction of the shaft 30, the shaft 30 is adapted to pass the held screw S from above to below by its own weight. As described above, the shaft 30 is opened upward from the inside to the outside of the container 20 to form a groove 34 through which the screw S is passed.

A through hole 36 that is orthogonal to the flat surface 32 and has a diameter larger than the diameter of the head S1 of the screw S in the portion where the flat surface 32 of the shaft 30 is formed and the groove 34 in the axial direction is not formed. Is formed. Therefore, the shaft 30 is adapted to drop the screw S, which moves from the inside to the outside of the container 20 and reaches the portion where the through hole 36 is formed, by its own weight. One end of the transport hose 16 is fitted and fixed in the through hole 36.

[Contact members and coil springs]
The contact member 40 is an example of a contact portion, and as shown in FIG. 2, is formed of a plate material as an example. The thickness of the contact member 40 is, for example, half or less the diameter of the head S1 of the screw S.

The contact member 40 is arranged inside the container 20 as shown in FIGS. 2 and 3A. Specifically, one end of the contact member 40 is rotatable (swingable) around the axis of the support portion 49 by the support portion 49 on the side of the cylinder 21 (the side away from the shaft 30) of the disk 22. It is supported.

As shown in FIG. 3A, the contact member 40 extends from the support portion 49 toward the shaft 30 side (center side of the disk 22), and has a length from the support portion 49 toward the shaft 30 side. There is. The width of the contact member 40 in the lateral direction Y intersecting the longitudinal direction X (longitudinal direction X) is about the same as the axial length of the screw S or slightly wider than the axial length.

The contact member 40 is one side in the lateral direction Y (width direction Y), and the end surface 42 arranged on the downstream side in the rotation direction of the container 20 is a portion of the shaft 30 arranged inside the container 20. It is in contact with the contacted portion 39 (an example of the portion) in which the groove 34 is formed. That is, it is an example of a contact surface in which the end surface 42 contacts the shaft 30. Then, the contact member 40 rotates around the axis O of the shaft 30 while the end surface 42 is in contact with the contacted portion 39 due to the rotation of the container 20.

Here, the "contacted portion 39 in which the groove 34 is formed in the shaft 30" is a range in which the groove 34 is formed in the axial direction of the shaft 30, and the entire portion in the circumferential direction in the range is defined. means. Therefore, the contacted portion 39 is the ridge line 33 arranged at the boundary between the plane 32 on which the groove 34 is formed, the arc surface 38 continuous from the plane 32 in the circumferential direction of the shaft 30, and the plane 32 and the arc surface 38. , 35 and.

The contact member 40 is the other side in the lateral direction Y (width direction Y), and the end surface 46 arranged on the upstream side in the rotational direction of the container 20 is a non-contact surface that does not contact the shaft 30.

A curved (R-shaped) chamfered portion 44 is formed on the end surface 42 of the contact member 40 in the axial direction of the shaft 30. As shown in FIGS. 2 and 3B, the contact member 40 is bent at an intermediate portion in the length direction so that the tip portion 41 including the chamfered portion 44 rises from the disk 22. The chamfered portion 44 may have a configuration (C chamfered) chamfered in a flat shape (straight line).

The upper surface of the tip portion 41 faces the outside in the radial direction of the shaft 30 and the downstream side in the rotation direction R (see FIG. 2). The upper surface of the tip portion 41 has a function of removing (scraping) the screw S. The base end side portion 45 on the base end side (support portion 49 side) with respect to the tip end portion 41 is in contact with the disk 22 as shown in FIGS. 2 and 3B. The tip portion 41 is separated from the disk 22 and has a gap between the tip portion 41 and the disk 22. Here, the base end side portion 45 is an example of a contact portion, and the tip end portion 41 is an example of a rising portion.

Then, due to the rotation of the contact member 40 around the axial center O, as shown in FIG. 3C, the end portion 43A on the end surface 42 side at the boundary 43 between the tip portion 41 and the proximal end side portion 45 becomes the opening surface of the groove 34. It passes over 34A along the opening surface 34A. The opening surface 34A is the surface of the opening (upper end) of the groove 34, and is flush with the plane 32. In FIG. 3C, the contact member 40 shown by the alternate long and short dash line indicates the movement locus when the contact member 40 rotates around the axis O.

The coil spring 90 is an example of an elastic member, and is arranged inside the container 20 as shown in FIGS. 2 and 3A. One end of the coil spring 90 is fixed to the disk 22 on the downstream side in the rotation direction R with respect to the support portion 49 (contact member 40). The other end of the coil spring 90 is fixed to the tip 41 of the contact member 40. As a result, the coil spring 90 pulls the contact member 40 toward the shaft 30 due to its elastic force. The elastic member may have a configuration (for example, a compression spring or the like) that pushes the contact member 40 toward the shaft 30 by an elastic force.

As described above, the contact member 40 is rotated while the end surface 42 is in contact with the contacted portion 39, so that the contact member 40 is held in a holding state defined for the shaft 30 by a screw S other than the screw S (for example, for example. As shown in FIGS. 3D and 3E, it has a function of removing (scraping) a screw S or the like in a state where the head S1 is caught in the groove 34.

[Support]
As shown in FIGS. 1 and 2, the support 95 has a function of supporting the shaft 30 in an inclined state. The support 95 is an L-shaped bent member, and is fixed to an outer portion of the container 20 on the shaft 30. The support 95 extends upward in a direction orthogonal to the axial direction of the shaft 30, and bends and extends toward the container 20 along the axial direction of the shaft 30. A through hole 95A is formed in a portion of the support 95 extending toward the container 20, and the supply device 12 is suspended by a string 96 through which the through hole 95A is passed. A plurality of screws S are accommodated in the container 20 of the supply device 12, but the shaft 30 (and the container 20) of the support 95 is inclined regardless of the amount of the screws S. It is set to support in the state.

The above is the description of the configuration of the supply device 12 of the first embodiment.

<Structure of fastening device>
The fastening device 14 uses screws S supplied from the supply device 12 via the transport hose 16 to sandwich the plate 18A between the head S1 and the plate 18B, and the screws S to sandwich the plate 18A and the plate 18B (a plurality of plates 18B). It has the function of fastening members). As shown in FIGS. 4, 5, 6 and 7, the fastening device 14 includes a driver 50, a mounting portion 60, a coil spring 65, a cylinder portion 70, and a cam portion 80. Has been done. As an example, the fastening device 14 of the present embodiment is manually (manually) operated by an operator. Further, the fastening device 14 of the present embodiment is operated in a state where the operator faces the tip portion (tip portion 54A, which will be described later) of the driver 50 downward.

[driver]
The driver 50 includes a handle 52 and a shaft portion 54 (see FIGS. 1, 4, 5, 6, and 7). Here, the shaft portion 54 is an example of a rod body. The driver 50 moves in the axial direction (by being operated by an operator), fits the head S1 of the screw S into the tip portion (tip portion 54A), and rotates around the shaft with the screw S. It has a function of fastening the plate 18A and the plate 18B (that is, a plurality of members). The shaft portion 54 has a function of moving with the axial movement of the driver 50 and rotating the screw S (around the shaft). The handle 52 is a member (part) for the operator to hold by hand, and is a long columnar shape as shown in FIG. One end of the shaft portion 54 is fixed in the handle 52 along the longitudinal direction of the handle 52 and protrudes from the handle 52 (not shown). A cross protrusion that fits into the cross groove of the head S1 of the screw S is formed on the tip portion 54A of the shaft portion 54 on the side protruding from the handle 52. That is, the driver 50 of this embodiment is a so-called Phillips screwdriver as an example. The driver 50 of the present embodiment is a so-called electric screwdriver, and when an operator presses a switch (not shown) provided on the handle 52, a drive mechanism provided inside the handle 52 (not shown) ) Is activated to rotate the shaft portion 54 around the shaft.

[Mounting part and coil spring]
The mounting portion 60 has a cylindrical shape as shown in FIG. The mounting portion 60 is fixed to the cylinder portion 70 (the first cylinder 72 to be described later) at the lower end, and the handle 50 is movable in the axial direction with the upper end side surrounding the lower end side portion of the handle 52. 52 is attached to the cylinder 70.

As shown in FIGS. 4, 5, 6 and 7, the coil spring 65 is arranged inside the mounting portion 60 and outside the shaft portion 54 (the region surrounding the outer peripheral surface of the shaft portion 54). .. Further, the lower end of the coil spring 65 is fixed to the first cylinder 72 of the cylinder portion 70, and the upper end is fixed to the handle 52 of the driver 50. Here, FIG. 4 shows a state in which the gravity applied to the driver 50 and the spring force due to the coil spring 65 are in equilibrium with the driver 50 along the height direction. FIG. 5 shows a state in which the handle 52 is pulled upward by the operator. 6 and 7 show a state in which the handle 52 is pushed downward by the operator.

[Cylinder]
As shown in FIGS. 1, 4, 5, 6, and 7, the cylinder portion 70 includes a first cylinder 72 and a second cylinder 74. Here, the first cylinder 72 is an example of a cylinder. The second cylinder 74 is an example of another cylinder.

The first cylinder 72 serves as a movement path for the shaft portion 54 that moves in the axial direction, and has a function of holding the screw S at the lower end portion 72A. In other words, the first cylinder 72 has a function of moving the shaft portion 54 and holding the screw S at the lower end portion 72A. As shown in FIGS. 4, 5, 6 and 7, the first cylinder 72 is a long cylinder, and a mounting portion 60 is fixed to the upper end thereof. Further, since the first cylinder 72 is a moving path in the axial direction of the shaft portion 54 of the driver 50, its inner diameter is larger than the diameter of the shaft portion 54. Further, the first cylinder 72 is formed with two through holes (through holes 72B and 72C) arranged in the axial direction. The through hole 72C is formed above the through hole 72B.

As shown in FIGS. 4, 5, 6 and 7, in the lower end portion 72A of the first cylinder 72 above the thickness of the head S1 of the screw S from the lower end of the first cylinder 72, the first cylinder A protruding portion 72D protruding inward from the inner circumference of the 72 is provided. The protruding portion 72D has elasticity and is provided over the entire inner circumference. The inner diameter of the protruding portion 72D is smaller than the diameter of the head S1 of the screw S and larger than the diameter of the shaft S2 of the screw S. Then, the first cylinder 72 is adapted to hold the screw S at the lower end portion 72A by hooking the screw S (head S1) that has fallen from the second cylinder 74 on the protruding portion 72D. Here, the protruding portion 72D is an example of the holding portion.

As shown in FIG. 1, the second cylinder 74 has a first cylinder 72 so as to abut against the first cylinder 72 from above in an acute-angled direction in a state where the first cylinder 72 is arranged along the height direction. It is fixed to the first cylinder 72 by being inclined so as to form an acute angle with respect to the cylinder 72. The lower end of the second cylinder 74 is connected to the peripheral edge of the through hole 72B of the first cylinder 72 as shown in FIGS. 4, 5, 6 and 7. On the other hand, as shown in FIG. 1, the upper end of the second cylinder 72 is fixed to the end of the transport hose 16 on the side opposite to the side fixed to the supply device 12. Then, the screw S is supplied to the second cylinder 74 from the supply device 12 via the transport hose 16. Further, the second cylinder 74 is adapted to drop the supplied screw S from the through hole 72B into the first cylinder 72. That is, the second cylinder 74 is designed to pass a screw S that falls from the lower end thereof (from the through hole 72B).

A through hole 74A is formed in the portion of the second cylinder 74 facing the first cylinder 72 and facing the portion of the first cylinder 72 in which the through hole 72C is formed. There is.

[Cam section]
The cam portion 80 includes a cam 82 and a coil spring 88. Here, the cam portion 80 is an example of a rotating portion. As shown in FIGS. 4, 5, 6 and 7, the cam 82 is pushed by the shaft portion 54 (in the direction of arrow R1 in FIG. 4) and rotates forward in the second cylinder 74 (in the cylinder). It has a function of hitting the corner portion 84A1 described later on the screw S (screw SA in FIG. 4) to stop the screw S. Further, the cam 82 is separated from the shaft portion 54 (in the direction of arrow R2 in FIG. 5) and reversed to the screw S (screw SA) while separating the screw S (screw SA in FIGS. 4 and 5) from the corner portion 84A1. It has a function of applying another screw S (screw SB of FIGS. 4 and 5) that has been in contact to the second portion 84B described later to stop the other screw S (screw SB).

As shown in FIGS. 4, 5, 6 and 7, the cam 82 includes a main body 84 and a rotating shaft 86. The rotating shaft 86 is arranged at a position (rotational position) between the first cylinder 72 and the second cylinder 74. That is, the cam 82 has a rotation shaft between the first cylinder 72 and the second cylinder 74, and the main body 84 can rotate (forward and reverse) about the rotation shaft 86. In other words, the main body 84 has a direction orthogonal to the paper surface in FIGS. 4, 5, 6 and 7 (in other words, a direction orthogonal to the opposite direction between the first cylinder 72 and the second cylinder 74). A hole is formed that penetrates the direction along the radial direction of the cylinder 72; hereinafter, the front direction of the device if necessary), and the rotating shaft 86 has a gap with respect to the hole. It has been inserted. The main body 84 is sandwiched between two plate members (not shown) in the front direction of the device. The two plate members are each formed with through holes facing each other in the front direction of the device, and both ends of the rotating shaft 86 are inserted into the through holes and fixed. Further, the two plate members are fixed to the tubular portion 70, respectively.

As shown in FIGS. 4, 5, 6 and 7, the main body 84 has a rectangular first portion 84A and a surface of the first portion 84A on the second cylinder 74 side when viewed from the front direction of the device. It is configured to include a (rectangular) second portion 84B that protrudes from the upper portion of the. Here, the second portion 84B is an example of the lower part.

Hereinafter, the lower portion of the first portion 84A including the corner on the second cylinder 74 side is referred to as the corner portion 84A1, and the lower portion of the first portion 84A and the corner on the first cylinder 72 side is referred to as the corner portion 84A1. The portion including the corner portion 84A2 will be described. Here, the corner portion 84A1 is an example of the lower portion. As shown in FIGS. 4, 5, 6 and 7, one end of the coil spring 88 is the outer circumference of the first cylinder 72 on the second cylinder 74 side, from the portion where the through hole 72C is formed. Is also fixed upwards. Further, the other end of the coil spring 88 is fixed to the upper side of the first portion 84A on the surface facing the first cylinder 72 side. The operation of the cam 82 will be described in the description of the operation of the fastening device 14.

<Supplementary information about configuration>
Hereinafter, the configuration of the fastening system 10 will be supplemented. The inner diameters of the transport hose 16, the first cylinder 72, and the second cylinder 74 are larger than the diameter of the head S1 of the screw S, respectively, and the length of the screw S (the sum of the thickness of the head S1 and the length of the shaft S2). Smaller than Therefore, the transport hose 16, the first cylinder 72, and the second cylinder 74 can move the screw S without changing the posture of the screw S (with the head S1 facing upward and the shaft S2 facing downward). ing.

Further, as described above, the supply device 12 and the fastening device 14 are connected to a flexible transport hose 16. Therefore, the operator can perform the fastening operation (operation of the fastening device 14) while freely moving the fastening device 14.

The above is the description of the configuration of the fastening device 14 of the first embodiment. Further, the above is the description of the configuration of the fastening system 10 of the first embodiment.

≪Operation≫
Next, the operation of the fastening system 10 of the first embodiment (method of manufacturing the screw fastener 18) will be described with reference to the drawings. Hereinafter, the operation from the state where the screw S is not inserted in the fastening system 10 (initial state) will be described.

First, as shown in FIG. 1, the operator accommodates a plurality of screws S in the container 20 of the supply device 12. Further, the operator prepares a plurality of plates 18A and a plurality of plates 18B on a workbench (not shown), and determines the positions of the screw holes 18B1 of each plate 18B and the positions of the through holes 18A1 of each plate 18A. In addition, each plate 18A and each plate 18B are arranged so as to overlap each other.

<Operation of supply device>
Next, the operator drives the drive system 24 of the supply device 12 to rotate the container 20. As shown in FIGS. 2 and 3A, the plurality of screws S in the container 20 are placed on the curved surface 26A of the blade 26 that rotates with the rotation of the container 20 and are placed above the shaft 30 by the blade 26. Will be carried. The plurality of screws S carried above the shaft 30 by the blades 26 fall due to their own weight.

As a result, a part of the plurality of screws S moves on the plane 32 of the shaft 30 by its own weight while being held by the shaft 30 in a predetermined holding state (probability), and a through hole 36 in the shaft 30 is formed. Reach the part where you are. Then, the screw S that has reached the relevant portion is supplied to the transport hose 16 that is fitted in the through hole 36 (falls from the shaft 30 due to its own weight). It is desirable that the movement of the screw S on the plane 32 includes not only its own weight but also vibration. In the present embodiment, since the vibration generated by driving the drive system 24 is transmitted to the supply device 12, the vibration also acts on the movement of the screw S on the plane 32.

Further, the screw S in the transport hose 16 is transported in the transport hose 16 (by its own weight) and supplied from the lower end of the transport hose 16 into the second cylinder 74 of the fastening device 14.

The plurality of screws S in the container 20 are repeatedly carried upward by the blades 26 and dropped. Further, among the screws S carried upward by the blades 26 and dropped, the screws S caught in the groove 34, for example, without being held in the holding state defined for the shaft 30, rotate with the rotation of the container 20. It is contacted by the contact member 40. As a result, the caught screw S changes its posture to a predetermined holding state or is dropped from the shaft 30.

As described above, the supply device 12 holds the screw S in the container 20 in the holding state defined in the groove 34 of the shaft 30 while rotating the container 20 from the inside to the outside of the container 20 (container 20). The screw S is moved (from the inside to the outside), and the screw S is sent to the transport hose 16 in a predetermined posture.

<Operation of fastening device>
Next, the operation of the fastening device 14 will be described with reference to the drawings.

The screw S transported by the transport hose 16 in the determined posture is supplied into the second cylinder 74 via the transport hose 16 as shown in FIG. As a result, the first supplied screw SA among the plurality of sequentially supplied screws S hits the corner portion 84A1 of the cam 82 and is stopped. Further, the screw S supplied after the screw SA hits another screw S in the second cylinder 74 and the transport hose 16 and is stopped.

The operator then holds the first cylinder 72 and pulls the handle 52 of the driver 50 of the fastening device 14 upward, as shown in FIG. As a result, the shaft portion 54 of the driver 50 is separated from the corner portion 84A2 of the cam 82. Then, the cam 82 is pushed by the coil spring 88, reverses around the rotating shaft 86 (rotates in the direction of arrow R2), and while releasing the screw SA that has stopped at the corner 84A1, the screw that has stopped at the screw SA. The second portion 84B is applied to the SB to stop the screw SB. In addition, the screw SA falls into the first cylinder 72 from the through hole 72B of the first cylinder 72 due to its own weight due to the above operation, and comes into contact with the protruding portion 72D provided at the lower end portion 72A of the first cylinder 72. Is held. As described above, from the state of FIG. 4 to the state of FIG. 5, the screw S (screw SA) stopped at the lowermost position among the plurality of screws S stopped in the second cylinder 74 is the first cylinder 72. It falls inward and is held by the lower end 72A.

Next, as shown in FIG. 6, the operator holds the first cylinder 72, pushes the handle 52 of the driver 50 downward, and the screw S holding the tip portion 54A of the shaft portion 54 at the lower end portion 72A. Fit into the head S1 of. Then, as shown in FIG. 7, the operator uses the fastening device 14 to fasten the plate 18A and the plate 18B with the screw S to manufacture the screw fastener 18.

When the state of FIG. 5 changes to the state of FIG. 6, the state of FIG. 5 changes to the state of FIG. 4 and then the state of FIG. In this case, by changing from the state of FIG. 5 to the state of FIG. 4, the corner portion 84A2 of the cam 82 hits the shaft portion 54, rotates the cam 82 in the normal direction around the rotating shaft 86, and separates the second portion 84B from the screw S. While separating and dropping the screw S downward, the screw S is applied to the corner portion 84A1 to stop the screw S. That is, the screw S that had stopped hitting the cam 82 (second portion 84B) in the state of FIG. 5 falls downward by the time the shaft portion 54 moves and reaches the state of FIG. 6, but the cam 82 ( It hits the corner 84A1) and is stopped. Therefore, by changing from the state of FIG. 5 to the state of FIG. 6, the screw S in the second cylinder 74 does not fall into the first cylinder 72.

As described above, the operator moves the handle 52 of the fastening device 14 in the axial direction to drop the screws S one by one from the second cylinder 74 into the first cylinder 72, and the lower end portion of the first cylinder 72. Hold at 72A. Then, the operator operates the fastening device 14 to manufacture the plurality of screw fasteners 18.

The above is the description of the operation of the fastening system 10 of the first embodiment.

≪Effect≫
Next, the effect of the first embodiment will be described.

<Effect of the fastening system 10 including the supply device 12 and the supply device 12>
First, the effect of the supply device 12 of the present embodiment and the fastening system 10 including the supply device 12 will be described with reference to the drawings.

[First effect]
The first effect is that the shaft 30 in the supply device 12 is inclined and is opened upward to form a groove 34 through which the screw S passes from the inside to the outside of the container 20. Hereinafter, the present embodiment will be described in comparison with the first comparative embodiment. In the description of the first comparative embodiment, when the same parts or the like as those used in the present embodiment are used, the reference numerals of the parts or the like are used as they are even if they are not shown.

As shown in FIG. 8, the supply device 12A of the first comparative embodiment is different from the case of the present embodiment in that the shaft 30A is not formed with the flat surface 32 and the groove 34, and includes the blade 26 and the contact member 40. Absent. Instead, in the supply device 12A of the first comparative embodiment, a through hole 22B having a diameter larger than the diameter of the head S1 of the screw S is formed in the radial outer portion of the disk 22 of the container 20A, and the container 20A is formed. The screw S that has entered the through hole 22B is moved from the inside to the outside of the container 20A with the rotation of the container 20A. Further, one end of the transport hose 16 is supported on the outside of the disk 22 of the container 20A, and the screw S moved from the through hole 22B is supplied to the transport hose 16. The transport hose 16 is supported on the outside of the container 20A by a ring plate 22C having a through hole arranged so as to face the disk 22. Therefore, in the case of the first comparative embodiment, the screw S can be supplied from the inside to the outside of the container 20 only at the timing when the through hole 22B and one end of the transport hose 16 face each other. The first comparative embodiment has the same configuration as that of the present embodiment except for the above points.

In the case of the first comparative embodiment, since the screw S is supplied to the transport hose 16 through the through hole 22B while the container 20A is rotating, the screw S is moved along with the movement of the container 20A (through hole 22B). There is a risk of getting caught in the edge). As a result, in the case of the first comparative mode, the rotation of the container 20A is stopped and the work is interrupted, or the container 20A is broken.

On the other hand, in the case of the present embodiment, as shown in FIG. 2, the screw S is moved from the inside to the outside of the container 20 by using the groove 34 formed in the inclined shaft 30. Therefore, in the case of the present embodiment, unlike the case of the first comparative embodiment, the screw S does not get caught in the container 20 when the screw S moves from the inside to the outside of the container 20. Therefore, it is difficult for the container 20 to stop rotating. Along with this, in the case of the present embodiment, the work (screw S supply operation) is unlikely to be interrupted.

Therefore, according to the supply device 12 of the present embodiment, when the screw S is moved to the cylinder at the timing when the hole formed in the bottom of the container rotating around the axis faces the opening of the cylinder facing the bottom with the rotation. The supply rate of the screw S is high (the number of screws S supplied per unit time is large). Along with this, in the case of the fastening system 10 of the present embodiment, the screw S is moved to the cylinder at the timing when the hole formed in the bottom of the container rotating around the axis faces the opening of the cylinder facing the bottom as it rotates. The production rate of the screw fastener 18 is higher (the productivity of the screw fastener 18 is higher) as compared with the case where the feeder is provided. Further, according to the method for manufacturing the screw fastener 18 using the fastening system 10 of the present embodiment, the hole formed in the bottom of the container rotating around the axis faces the opening of the cylinder facing the bottom as the container rotates. The screw fastener 18 can be manufactured at a lower cost as compared with the case of using a fastening system provided with a supply device for moving the screw S to the cylinder at the timing.

[Second effect]
The second effect is that the shaft 30 is configured to be able to hold the screw S in a predetermined holding state. Hereinafter, the present embodiment will be described in comparison with the second comparative embodiment (not shown). In the description of the second comparative embodiment, when the same parts or the like as those used in the present embodiment are used, the reference numerals of the parts or the like are used as they are even if they are not shown.

In the case of the second comparative embodiment, the width of the groove 34 seen from the axial direction of the shaft 30 is wider than the diameter of the head S1 of the screw S. The second comparative embodiment has the same configuration as that of the present embodiment except for the above points. The second comparative embodiment has the first effect because the shaft 30 in the supply device 12 is inclined and is opened upward to form a groove 34 through which the screw S passes from the inside to the outside of the container 20. It is a composition that plays.

In the case of the second comparative embodiment, since the width of the groove 34 seen from the axial direction of the shaft 30 is wider than the diameter of the head S1 of the screw S, the posture other than the posture in which the head S1 of the screw S is upward and the shaft S2 is downward The screw S may be fed to the transport hose 16.

On the other hand, in the case of the present embodiment, the width of the shaft 30 in the groove 34 as seen from the axial direction is narrower than the diameter of the head S1 of the screw S and the width of the shaft S2, as shown in FIG. 3A. Wider than. Therefore, the screw S is not sent to the transport hose 16 except in a posture in which the head S1 is upward and the shaft S2 is downward.

Therefore, according to the supply device 12 of the present embodiment, the screw S can be supplied to the transport hose 16 in a predetermined posture (it can be supplied to the fastening device 14).

[Third effect]
The third effect is that the supply device 12 of the present embodiment includes a contact member 40 that rotates while contacting a portion of the container 20 in which the groove 34 in the axial direction of the shaft 30 is formed. .. Hereinafter, the present embodiment will be described in comparison with the third comparative embodiment (not shown). In the description of the third comparative embodiment, when the same parts or the like as those used in the present embodiment are used, the reference numerals of the parts or the like are used as they are even if they are not shown.

The third comparative embodiment has the same configuration as that of the present embodiment except that the contact member 40 is not provided. The third comparative form is a configuration that exerts the first and second effects.

In the case of the third comparative embodiment, the screw S other than the screw S held in the holding state defined on the shaft 30 (for example, as shown in FIGS. 3D and 3E, the head S1 is caught in the groove 34). (Screw S, etc.) may remain as it is. As a result, the screw S caught in the groove 34 becomes difficult to move on the flat surface 32 of the shaft 30, or cannot move, or is easily caught in the edge of the through hole 22A of the disk 22. Therefore, the supply rate of the screw S decreases (the number of screws S supplied per unit time decreases).

On the other hand, in the case of the present embodiment, as shown in FIGS. 2 and 3A, a contact member 40 that rotates while contacting a portion of the shaft 30 in which a groove 34 is formed in the axial direction is provided.

Therefore, according to the supply device 12 of the present embodiment, the groove is not provided as compared with the case where the container 20 is not provided with the contact member 40 that rotates while contacting the portion of the shaft 30 in which the groove 34 is formed in the axial direction. It is easy to remove (scratch) the screw S caught on 34. Along with this, according to the supply device 12 of the present embodiment, as compared with the case where the container 20 is not provided with the contact member 40 that rotates while contacting the portion of the shaft 30 in which the groove 34 is formed in the axial direction. , The supply rate of the screw S is high (the number of screws S supplied per unit time is large).

Further, in the present embodiment, as shown in FIGS. 2 and 3A, the contact member 40 is provided on the disk 22 as the bottom of the container 20, and the contacted portion 39 of the shaft 30 at the bottom of the container 20. Rotate while touching. Therefore, the screw S caught on the edge of the through hole 22A at the bottom of the container 20 can be easily removed (scraped) as compared with the configuration in which the contact member 40 is arranged at a position away from the disk 22.

Further, in the present embodiment, as shown in FIG. 3A, the contact member 40 has a chamfered portion 44 formed on an end surface 42 in contact with the contacted portion 39 of the shaft 30. Therefore, as compared with the configuration in which the corner portion contacts the contacted portion 39 of the shaft 30, the contact member 40 moves smoothly (smoothly) on the contacted portion 39, so that the contact member 40 moves without leaving the contacted portion 39. .. As a result, the screw S caught in the groove 34 can be easily removed (scraped off) as compared with the configuration in which the corner portion is formed on the end surface 42.

Further, in the supply device 12 of the present embodiment, since the chamfered portion 44 is formed on the end surface 42 of the contact member 40, the contact member 40 is held in the holding state defined in the groove 34. The contact member 40 rotates while tracing (rubbing, sliding) the head S1 of the screw S. Here, in the configuration in which the corner portion is formed on the end surface 42, the corner portion enters the groove 34 and hooks the head S1 of the screw S to disturb the posture of the screw S or displace the screw S. It may be (scraped off). On the other hand, since the chamfered portion 44 is formed on the end surface 42 of the contact member 40, the posture of the screw S is disturbed or the screw S is compared with the configuration in which the corner portion is formed on the end surface 42. It is difficult to remove (scrap).

Further, in the supply device 12 of the present embodiment, since the chamfered portion 44 is formed on the end surface 42 of the contact member 40, the contact member 40 has the shaft 30 as compared with the configuration in which the corner portion is formed on the end surface 42. It is hard to wear at the ridge lines 33 and 35 of.

Further, in the supply device 12 of the present embodiment, since the tip portion 41 of the contact member 40 rises from the disk 22, the screw caught in the groove 34 is compared with the configuration in which the tip portion 41 is in a lying state. It is easy to remove (scrap) S.

Further, in the supply device 12 of the present embodiment, as shown in FIG. 3C, due to the rotation of the contact member 40 around the axis O, the end on the end face 42 side at the boundary 43 between the tip portion 41 and the proximal end side portion 45. The portion 43A passes over the opening surface 34A of the groove 34 along the opening surface 34A. Here, the tip portion 41 passes through a position closer to the bottom side (disk 22 side) of the container 20 as it is closer to the boundary 43. Therefore, in the configuration in which the end portion 43A on the end surface 42 side at the boundary 43 passes over the opening surface 34A of the groove 34, the bottom of the container 20 is compared with the case where the end portion 43A does not pass over the opening surface 34A of the groove 34. It is easy to remove (scrap) the screw S caught on the edge of the through hole 22A.

Further, in the supply device 12 of the present embodiment, the coil spring 90 pulls the contact member 40 toward the shaft 30 side by the elastic force thereof. Therefore, as compared with the configuration in which the elastic force on the shaft 30 side does not act on the contact member 40, the state in which the contact member 40 is in contact with the contacted portion of the shaft 30 is maintained, and the screw S caught in the groove 34 is provided. Easy to scrape off.

<Effect of fastening device 14 and fastening system 10 including fastening device 14>
Next, the effect of the fastening device 14 and the fastening system 10 including the fastening device 14 of the present embodiment will be described with reference to the drawings. Hereinafter, the present embodiment will be described in comparison with the fourth comparative embodiment (see FIG. 9). In the description of the fourth comparative embodiment, when the same parts or the like as those used in the present embodiment are used, the reference numerals of the parts or the like are used as they are even if they are not shown.

As shown in FIG. 9, the fastening device 14A of the fourth comparative embodiment does not include the cam portion 80, unlike the fastening device 14 of the present embodiment. Therefore, in the fastening device 14A of the fourth comparative form, the through hole 72C of the first cylinder 72 and the through hole 74A of the second cylinder 74 are not formed. Further, in the fastening system (not shown) of the fourth comparative form, the supply device 12 and the transport hose 16 are sandwiched between the supply device 12 and the transport hose 16 without directly fixing the supply device 12 and the transport hose 16 (not shown). Are connected. The shutter mechanism is opened by the operator pressing a switch (not shown), and the supply device 12 supplies the transport hose 16 one screw S at a time. The fourth comparative embodiment has the same configuration as that of the present embodiment except for the above points. Since the fastening system of the fourth comparative embodiment includes the supply device 12 of the present embodiment, the effect of the fastening system 10 including the supply device 12 and the supply device 12 described above is exhibited.

In the case of the fastening device 14A of the fourth comparative form, a plurality of screws S cannot be stopped in the second cylinder 74. Further, in the case of the fastening device 14A of the fourth comparative form, one screw S cannot be held by the lower end portion 72A of the first cylinder 72 as the driver 50 moves in the axial direction.

Further, in the case of the fastening device 14A of the fourth comparative form, it is not possible to stop the plurality of screws S in the second cylinder 74 in the first place. Therefore, the operator must push the switch after the production of one screw fastener 18 is completed to supply the screw S from the supply device 12 to the fastening device 14A via the transport hose 16.

On the other hand, the fastening device 14 of the present embodiment includes a cam portion 80. Then, the cam 82 stops the screw S in the second cylinder 74, so that the screw S can be made to stand by in the second cylinder 74 (see FIGS. 4, 5, 6 and 7). Further, in the fastening device 14 of the present embodiment, by moving the shaft portion 54 that has hit the cam 82 upward (see FIGS. 4 and 5), the screw S (screw SA) that has stopped hitting the cam 82 is first. It can be dropped into the cylinder 72.

Therefore, in the fastening device 14 of the present embodiment, as the shaft portion 54 moves in the axial direction, one screw S is held at the lower end portion of the first cylinder 72, and the screw S connects the plate 18A and the plate 18B. Can be concluded. Further, in the fastening device 14 (and the fastening system 10) of the present embodiment, when the screws S are continuously fastened, each time the plate 18A and the plate 18B are fastened with the screws S by the fastening device 14A, the feeding device 12 is used. Compared with the case where the screw S is supplied, the time from fastening the plate 18A and the plate 18B with the screw S until the next screw S is held by the lower end portion 72A of the first cylinder 72 is shorter. Further, according to the method of manufacturing the screw fastener 18 using the fastening system 10 of the present embodiment, when the screw S is continuously fastened, the plate 18A and the plate 18B are fastened with the screw S by the fastening device 14A. The screw fastener 18 can be manufactured at a lower cost than in the case where the screw S is supplied from the supply device 12 each time.

The above is the description of the effect of the first embodiment. Further, the above is the description of the first embodiment.

"Second embodiment"
Next, the fastening system 10B (see FIG. 10) of the second embodiment will be described in the order of configuration, operation, and effect. Hereinafter, in the description of the present embodiment, when the same parts or the like as those used in the first embodiment are used, the reference numerals of the parts or the like are used as they are even if they are not shown. Further, in the description of this embodiment, a part different from that of the first embodiment will be described.

≪Composition≫
As shown in FIG. 10, the fastening system 10B of the present embodiment includes a supply device 12B, a fastening device 14, and a transport hose 16. That is, in the fastening system 10B of the present embodiment, the supply device 12 of the fastening system 10 of the first embodiment is the supply device 12B. The fastening system 10B of the present embodiment has the same configuration as the fastening system 10 of the first embodiment except for the above points.

Next, the supply device 12B will be described with reference to FIG. The supply device 12B includes a support base 100, which will be described later, in place of the support 95 of the supply device 12 (see FIG. 2) of the first embodiment. Here, the combination 110 of the shaft 30 and the support base 100 is an example of the support member. Further, the supply device 12B includes a spiral body 120, a transmission portion 130, a pair of bearing portions 140, and a cover member 150. Here, the cover member 150 is an example of a suppressing member.

[Support stand]
The support base 100 has a function of supporting the shaft 30 in an inclined state. The support base 100 has a trapezoidal shape when viewed from the front. The lower flat surface of the support base 100 is in contact with the flat surface (not shown) of the base on which the supply device 12B is placed. Further, the upper plane of the support base 100 is arranged in an inclined state with respect to the plane of the base. A groove 102 into which the shaft 30 is fitted is formed on the upper side of the support base 100 from the end on the container 20 side to the side opposite to the container 20 side. The shaft 30 is fitted in the groove 102 with the flat surface 32 of the shaft 30 aligned with the flat surface on the upper side of the support base 100. Further, a through hole 104 penetrating the lower plane of the support base 100 is formed in a portion of the support base 100 that overlaps with the through hole 36 of the fitted shaft 30. One end of the transport hose 16 is fixed to a portion of the lower flat surface of the support base 100 where the through hole 104 is formed.

With the above configuration, in the combination 110 of the shaft 30 and the support base 100, the container 20 is tilted so that the disk 22 of the container 20 is downward, and the container 20 is centered around the axis (centered on the axis O). Has the function of rotatably supporting (as). Further, the combination 110 is a member in which a groove 34 through which the screw S is passed from the inside to the outside of the container 20 and a through hole 104 connected to the end of the groove 34 outside the container 20 for the screw S to fall are formed. It can be said that. Here, the through hole 104 is an example of a passage.

[Spiral]
The spiral body 120 has a function of rotating around an axis and carrying the screws S to the end of the groove 34 (that is, the portion where the through hole 36 is formed) while separating the screws S from each other by the spiral member 122 described later. The spiral body 120 is configured to include a spiral member 122 and an arc member 124. That is, the spiral body 120 has a spiral member 122.

The spiral member 122 has a winding shape. Further, in the spiral member 122, a groove 34 is formed outside the container 20 and in the axial direction of the shaft 30 in a state along the axial direction of the shaft 30 (in a state where the winding direction is along the axial direction of the shaft 30). It is arranged (contacting the flat surface 32 and the edge portion of the groove 34) on the portion (where the groove 34 is formed). The spiral member 122 is driven by a driving force transmitted from the transmission unit 130 to rotate about an axis.

As an example, the spiral member 122 is wound five times, that is, is in contact with the shaft 30 at five points apart from each other in the axial direction. Further, screws S can be arranged between the portions of the spiral member 122 that come into contact with the shaft 30. Then, the spiral member 122 rotates around the axis and pushes the head S1 of the screw S to separate the plurality of screws S from each other, and the screw S is formed at the end of the groove 34 (that is, the portion where the through hole 36 is formed). It is supposed to carry to.

The arc member 124 has a function of orbiting the groove 34 and the through hole 36 across the boundary between the groove 34 and the through hole 36 as the spiral member 122 rotates (around the axis). The arc member 124 is fixed to a part of the spiral member 122. The arc member 124 has an arc shape having a diameter equivalent to the diameter of the spiral member 122 when viewed from the axial direction of the spiral member 122 (axial direction of the shaft 30). Further, the arc member 124 has a triangular shape (viewed from the radial direction of the shaft 30) and the width of the spiral member 122 in the axial direction becomes wider toward the downstream side in the circumferential direction. It is trapezoidal depending on how it looks. The maximum width of the arc member 124 is, for example, larger than the diameter of the head S1 of the screw S.

The arc member 124 is adapted to orbit the groove 34 and the through hole 36 across the boundary between the groove 34 and the through hole 36 as the spiral member 122 rotates around the axis. Therefore, the arc member 124 separates the plurality of screws S carried in the groove 34 in a state where the plurality of screws S are separated by the diameter of the head S1 of the screw S or more at the boundary between the groove 34 and the through hole 36. It has become like.

[Transmission part and pair of bearing parts]
The transmission unit 130 has a function of rotating the spiral body 120 around an axis. The transmission unit 130 includes a shaft 132, a cylinder 134, and a gear 136. The cylinder 134 is, for example, a long roll made of rubber (that is, having elasticity), and is fixed to the outer periphery of the shaft 132 with the shaft 132 protruding from both ends thereof. Further, a gear 136 is fixed to one end side of the shaft 132. Then, the transmission unit 130 has its longitudinal direction (axial direction of the shaft 132) along the axial direction of the spiral body 120, and is in contact with the spiral body 120 on the spiral body 120. Further, the gear 136 meshes with the gear 24A. The transmission portion 130 is rotatably supported by a pair of bearing portions 140 on both end sides thereof (outside the longitudinal direction of the cylinder 134). Each bearing portion 140 has a flat surface 32 of the shaft 30 between the gear 24A and the support base 100 in the axial direction of the shaft 30, and a plane above the support base 100, and has a through hole 36 in the axial direction of the shaft 30. It is fixed to a portion farther from the formed portion to the gear 24A. A through hole (not shown) through which the screw S can pass is formed in the bearing portion 140 fixed to the flat surface 32 of the shaft 30 between the gear 24A and the support base 100 in the axial direction of the shaft 30. There is.

With the above configuration, when the gear 24A is driven by the drive source (not shown) and the gear 24A rotates around the axis (centered on the axis O), the gear 136 propagates (transmits) the driving force from the gear 24A. The cylinder 134 is designed to rotate about an axis. As a result, the cylinder 134 is adapted to rotate the spiral body 120, which is in contact with the outer circumference thereof, around the axis of the spiral body 120.

[Cover member]
The cover member 150 has a function of suppressing the screw S from popping out from the groove 34. The cover member 150 is, for example, a long plate. The cover member 150 is arranged inside the spiral body 120 in the radial direction, and protrudes from both ends in the axial direction of the spiral body 120. That is, the cover member 150 is arranged on the screw S passing through the groove 34 of the shaft 30. Both ends of the cover member 150 are fitted into long holes formed in a pair of bearing portions 140 along a direction orthogonal to the plane 32 of the shaft 30.

With the above configuration, the cover member 150 is supported by the pair of bearing portions 140 in a state of being in contact with at least one of the spiral member 122 and the head S1 of the screw S by its own weight.

The above is the description of the configuration of the second embodiment.

≪Operation≫
Next, a part different from the first embodiment in the operation of the fastening system 10B of the second embodiment (method for manufacturing the screw fastener 18) will be described with reference to FIG.

The supply device 12B rotates the container 20 to move the screw S from the inside to the outside of the container 20 (from the inside to the outside of the container 20). Here, in the case of the supply device 12B, the transmission unit 130 rotates about the axis as the container 20 rotates, and the spiral body 120 arranged on the groove 34 rotates about the axis. As a result, the plurality of screws S passing through the groove 34 are carried to the end side of the groove 34 while being separated by the spiral member 122. Further, the plurality of screws S continuously carried to the end side of the groove 34 are further separated by an arc member 124 that orbits around the axis as the spiral member 122 rotates around the axis. Then, the screw S that has reached the end of the groove 34 first is sent to the transport hose 16 through the through hole 36 and the through hole 104. The method for manufacturing the screw fastener 18 of the present embodiment is the same as that of the first embodiment except for the above points.

The above is the description of the operation of the second embodiment.

≪Effect≫
Next, the effect of the second embodiment will be described.

[First effect]
The first effect is that the supply device 12B includes a spiral member 122 that rotates about an axis. Hereinafter, this embodiment will be described in comparison with the first embodiment.

The supply device 12 of the first embodiment does not include the spiral member 122 as shown in FIG. In the case of the first embodiment, when the groove 34 is moved and the two screws S reach the end portion (through hole 36) of the groove 34 in succession, two screws S are formed from the through holes 36 depending on the shape of the screws S and the like. There is a risk that the screws S cannot fall and the two screws S are caught in the through holes 36.

On the other hand, in the case of the present embodiment, the supply device 12B includes a spiral member 122 that rotates about an axis, as shown in FIG. Therefore, the plurality of screws S moving in the groove 34 are carried to the end portion (through hole 36) of the groove 34 while being separated by the spiral member 122.

Therefore, in the supply device 12B of the present embodiment, the supply rate of the screws S is higher than in the case where the screws S passing through the groove 34 are carried to the through hole 36 without being separated from each other.

[Second effect]
The second effect is that the supply device 12B includes the cover member 150. Hereinafter, the present embodiment will be described in comparison with the fifth comparative embodiment (not shown). In the description of the fifth comparative embodiment, when the same parts or the like as those used in the present embodiment are used, the reference numerals of the parts or the like are used as they are even if they are not shown.

The supply device (not shown) of the fifth comparative form does not include the cover member 150. The fifth comparative embodiment is the same as that of the present embodiment except for the above points. That is, since the fifth comparative embodiment includes the spiral member 122, it is configured to exert the first effect of the present embodiment.

In the case of the fifth comparative embodiment, depending on the shape of the screw S or the like, the shaft 30 may vibrate due to the vibration generated by the rotation of the container 20, and the screw S moving in the groove 34 may pop out from the groove 34. ..

On the other hand, in the supply device 12B of the present embodiment, the cover S that passes through the groove 34 of the shaft 30 is in contact with at least one of the spiral member 122 and the head S1 of the screw S by its own weight. The member 150 is arranged. Therefore, in the case of the present embodiment, even if the screw S passing through the groove 34 tries to pop out from the groove 34 due to the vibration of the shaft 30, the screw S hits the cover member 150 and is difficult to pop out.

Therefore, in the supply device 12B of the present embodiment, the supply rate of the screw S is higher than that in the case where the cover member 150 is not arranged on the screw S passing through the groove 34.

[Third effect]
The third effect is that the spiral body 120 is configured to include an arc member 124 that straddles the boundary between the groove 34 and the through hole 36 and orbits the groove 34 and the through hole 36. Hereinafter, the present embodiment will be described in comparison with the sixth comparative embodiment (not shown). In the description of the sixth comparative embodiment, when the same parts or the like as those used in the present embodiment are used, the reference numerals of the parts or the like are used as they are even if they are not shown.

The spiral body of the supply device (not shown) of the sixth comparative form does not include the arc member 124. The sixth comparative embodiment is the same as that of the present embodiment except for the above points. That is, since the sixth comparative embodiment includes the spiral member 122, it is configured to exert the first effect of the present embodiment. Further, since the sixth comparative embodiment includes the cover member 150, it is configured to have the second effect of the present embodiment.

In the case of the sixth comparative embodiment, depending on the shape of the screws S and the like, the two screws S reach the end of the groove 34 (through hole 36) in a short time, and the two screws S reach the through hole 36. There is a risk of getting caught in.

On the other hand, the spiral body 120 of the present embodiment is configured to include an arc member 124 that goes around the groove 34 and the through hole 36 across the boundary between the groove 34 and the through hole 36. Further, the maximum width of the arc member 124 is larger than the diameter of the head S1 of the screw S as an example. Therefore, the plurality of screws S continuously carried to the end side of the groove 34 are separated from each other by the arc member 124 at the boundary between the groove 34 and the through hole 36 to be equal to or larger than the diameter of the head S1 of the screw S.

Therefore, in the supply device 12B of the present embodiment, the spiral body 120 composed of only the winding spiral member 122 is rotated around the axis to separate the screws S passing through the groove 34 from each other, and the screw S is inserted into the through hole 36. The supply rate of the screw S is higher than that in the case of carrying.

The above is the description of the second embodiment.

"Third embodiment"
Next, the fastening system 10C (see FIG. 12) of the third embodiment will be described in the order of configuration, operation, and effect. Hereinafter, in the description of the present embodiment, when the same parts or the like as those used in the first embodiment are used, the reference numerals of the parts or the like are used as they are even if they are not shown. Further, in the description of this embodiment, a part different from that of the first embodiment will be described.

≪Composition≫
As shown in FIG. 12, the fastening system 10C of the present embodiment includes a supply device 12, a fastening device 14C, and a transport hose 16. That is, in the fastening system 10C of the present embodiment, the fastening device 14 of the fastening system 10 of the first embodiment is the fastening device 14C. The fastening system 10C of the present embodiment has the same configuration as the fastening system 10 of the first embodiment except for the above points.

Next, the fastening device 14C will be described with reference to FIGS. 12 to 18. Unlike the fastening device 14 of the first embodiment, the fastening device 14C has a different mechanism for holding the screw S at the lower end portion 72A of the first cylinder 72. Specifically, the fastening device 14C includes a holding member 200 instead of the protruding portion 72D of the fastening device 14 of the first embodiment. Here, the holding member 200 is an example of the holding portion. Further, unlike the fastening device 14 of the first embodiment, the fastening device 14C has a rotating shaft 86 of the cam portion 80 at a rotating position (position of the rotating shaft 86 in FIGS. 13 to 16) and a retracting position (FIGS. 17 and 18). It is said that it can be moved to the position of the rotation axis 86). Therefore, the fastening device 14C includes a moving portion 300 for moving the rotating shaft 86. The fastening device 14C of the present embodiment has the same configuration as the fastening device 14 of the first embodiment except for the above points.

[Holding member]
Hereinafter, the configuration of the holding member 200 of the present embodiment will be described with reference to FIGS. 13 to 18. The holding member 200 is attached to the lower end portion 72A of the first cylinder 72. The holding member 200 includes a pair of protrusions 210, a pair of claws 220, and a pair of springs 230. Here, the pair of springs 230 is an example of a pushing portion. Further, the spring 230 is a coil spring as an example. From another point of view, the holding member 200 is provided with a pair of a combination of each protrusion 210, each claw 220, and each spring 230 with the lower end portion 72A of the first cylinder 72 interposed therebetween.

The protruding portion 210 is a member that protrudes in the radial direction from the outer circumference of the first cylinder 72. The protrusion 210 is formed with a through hole penetrating in a direction orthogonal to the axial direction and the radial direction of the first cylinder 72.

The claw 220 includes a long plate 222 having one end curved, and a mounting portion 224 provided at the center of the plate 222 in the longitudinal direction. The claw 220 is made swingable with the pin 226 of the mounting portion 224 fitted into the through hole of the protrusion 210 and the pin 226 as the center of rotation. The claw 220 is directed toward the shaft side of the first cylinder 72 with a portion having a recessed surface on one end side (curved side) protruding downward from the lower end portion 72A. Further, the claw 220 has the other end side (straight line portion) facing the outer circumference of the first cylinder 72.

The spring 230 is arranged in a compressed state on the outer circumference of the first cylinder 72 and the other end side of the claw 220. The spring 230 is fitted into a protrusion on the outer periphery of the first cylinder 72 (not shown) and a protrusion on the other end side of the claw 220 (not shown).

As described above, the combination of each protrusion 210, each claw 220, and each spring 230 has been described, but as described above, the combination of the holding member 200 is symmetrically arranged with the lower end portion 72A of the first cylinder 72 interposed therebetween. ing. Therefore, the pair of claws 220 sandwich the lower end portion 72A on the other end side (linear portion) while facing each other at one end portion (hereinafter referred to as the tip portion 228) on the lower side of the first cylinder 72. It is arranged in a state. The pair of claws 220 can swing in a direction in which the tip portions 228 of each other face each other. Further, the pair of springs 230 push the core claw 220 so that the tip portions 228 of each claw 220 come close to each other. Then, the holding member 200 is adapted so that the tip portions 228 are brought into contact with each other and the screw S is held by the lower end portion 72A of the first cylinder 72. When the screw S held by the holding member 200 is pushed by the screwdriver 50, the pair of claws 220 of the holding member 200 move in a direction in which the tip portions 228 of the holding member 200 are separated from each other.

[Moving part]
Next, the configuration of the moving unit 300 of the present embodiment will be described with reference to FIGS. 13 to 18. The moving portion 300 includes a protrusion 310, a moving member 320, and a spring 330. The spring 330 is, for example, a coil spring.

The protrusion 310 is provided on the outer circumference of the first cylinder 72 at a position where the second cylinder 74 overlaps in the radial direction of the first cylinder 72. The protrusion 310 is a rectangular member when viewed from the front direction of the device. The protrusion 310 has an end surface 312 in which the first cylinder 72 faces the second cylinder 74.

The moving member 320 is a long member whose longitudinal direction is the radial direction of the first cylinder 72 when viewed from the front direction of the device. The moving member 320 has a long notch 322 formed from the end surface on the side of the first cylinder 72 to the end surface on the opposite side of the end surface. Further, the end point portion of the notch 322 is an arc surface 324. The arcuate surface 324 functions as a sliding bearing of the rotating shaft 86. The moving member 320 is movable along the radial direction of the first cylinder 72 with the protrusion 310 fitted in the opening side portion of the notch 322. Further, a spring 330 is arranged in a compressed state between the end surface 312 of the protrusion 310 and the rotating shaft 86. As described above, the rotating shaft 86 in FIGS. 13 to 16 illustrates a state in which the rotating shaft 86 is located at the rotating position, but the moving member 320 projects a hooking member (not shown) in this state. It is hooked on the unit 310 and is stationary.

Further, when the moving member 320 is pushed from the second cylinder 74 side to the first cylinder 72 side, the moving member 320 moves the rotating shaft 86 relative to the first cylinder 72. Here, the rotating shaft 86 in FIGS. 17 and 18 illustrates a state in which the rotating shaft 86 is located at the retracted position. In this state, the moving portion 300 retracts the first portion 84A and the second portion 84B of the cam portion 80 from the passage of the screw S in the second cylinder 74 (from inside the second cylinder 74).

The above is the description of the configuration of the third embodiment.

≪Operation≫
Next, the operation of the fastening system 10C of the third embodiment (method of manufacturing the screw fastener 18) will be described with reference to FIGS. 13 and 14. The method for manufacturing the screw fastener 18 of the present embodiment is the same as that of the first embodiment except that the screw S is hooked and held by the protrusion 72D (see FIG. 6), except that the screw S is held by the holding member 200. Has been done.

The above is the description of the operation of the third embodiment.

≪Effect≫
Next, the effect of the third embodiment will be described.

[First effect]
The first effect is that the fastening device 14C swings the pair of claws 220 around the axis to hold the screw S. Hereinafter, this embodiment will be described in comparison with the first embodiment.

As shown in FIG. 6, the fastening device 14 of the first embodiment hooks and holds the screw S by the protruding portion 72D protruding from the inner circumference of the first cylinder 72. By the way, when two screws S fall from the second cylinder 74 into the first cylinder 72, in the fastening device 14 of the first embodiment, the driver 50 is moved to move the two screws S out of the first cylinder 72. Need to be pushed out. Therefore, in the case of the first embodiment, another screw S in the second cylinder 74 falls into the first cylinder 72 as the driver 50 moves.

On the other hand, in the case of the present embodiment, if the operator picks the pair of claws 220 of the holding member 200 and separates the tip portions 228 of the pair of claws 220 from each other (see FIG. 18), the inside of the first cylinder 72 A plurality of screws S can be pulled out of the first cylinder 72.

Therefore, according to the fastening device 14C of the present embodiment, the screw S in the first cylinder 72 can be taken out without pushing the screw S with the screwdriver 50.

[Second effect]
The second effect is that the rotation shaft 86 of the cam portion 80 can be moved to two positions, a rotation position and a retracted position. Hereinafter, this embodiment will be described in comparison with the first embodiment.

In the fastening device 14 of the first embodiment, as shown in FIG. 6, the rotating shaft 86 cannot move from the rotating position. By the way, in the case of the first embodiment, as shown in FIG. 15, there is a possibility that the screw S may be caught in the cam portion 80 due to, for example, dimensional variation of the screw S. In this case, even if the driver 50 is moved from the position shown in FIG. 15 (FIG. 16) to the position shown in FIG. 16 (FIG. 15), the screw S may remain caught on the cam portion 80.

On the other hand, in the case of the present embodiment, the rotating shaft 86 is movable to two positions, a rotating position (see FIGS. 15 and 16) and a retracted position (see FIGS. 15 and 16). .. Therefore, in the case of the present embodiment, as shown in FIGS. 15 and 16, even if the screw S is caught on the cam portion 80, the operator pushes the moving member 320 toward the protrusion 310 to push the rotating shaft 86. Can be moved to the retracted position (see FIGS. 17 and 18).

Therefore, the fastening device 14C of the present embodiment can eliminate the catching of the screw S on the cam portion 80 with a simple configuration.

[Third effect]
The third effect is that the fastening device 14C swings the pair of claws 220 around the axis to hold the screw S, and the rotating shaft 86 of the cam portion 80 has two positions, a rotating position and a retracting position. The effect is that it can be moved to a position.

In the first and second effects in the present embodiment described above, the effects produced by each configuration have been described separately. By the way, when the screw S is caught on the cam portion 80, the moving portion 300 eliminates the state in which the screw S is caught on the cam portion 80 (see FIGS. 17 and 18), and then the operator picks the pair of claws 220. Then, if the tip portions 228 of the pair of claws 220 are separated from each other (see FIG. 18), a plurality of screws S that have fallen from the second cylinder 74 into the first cylinder 72 can be pulled out of the first cylinder 72.

Therefore, the fastening device 14C of the present embodiment has a simple configuration, and can be taken out of the first cylinder 72 by eliminating the catch of the screw S on the cam portion 80.

The above is the description of the third embodiment.

As described above, the present invention has been described in detail with respect to specific embodiments, but the technical scope of the present invention is not limited to the above-described embodiments. The technical scope of the present invention also includes, for example, the following forms.

In the supply device 12 of the present embodiment, an example of the component has been described as a screw S. However, the component does not have to be the screw S as long as it is a component that is moved from the inside to the outside of the container 20 by using the groove 34 of the shaft 30 and is supplied. For example, the parts may be mechanical parts such as nuts (female threads), pins and springs, electronic parts such as capacitors, ICs (integrated circuits) and resistors, and other parts.

In the supply device 12 of each embodiment, it has been described that the groove 34 formed in the shaft 30 holds the screw S in a predetermined holding state. However, the shape of the groove may be changed according to the shape of the supplied parts.

The supply device 12 of the first embodiment has been described as being suspended by a support 95 via a string 96. However, if the shaft 30 can be tilted with respect to the height direction, it does not have to be suspended by the support 95. For example, the supply device 12B of the second embodiment shown in FIGS. 10 and 11 may be used.

In the supply devices 12 of the first and third embodiments, a through hole 36 (see FIG. 2) is formed in the shaft 30, and a portion that moves along the groove 34 of the shaft 30 to form the through hole 36. It has been described that the screw S that has reached up to is dropped from the through hole 36 by its own weight. However, the groove 34 formed in the shaft 30 may be formed up to the end of the shaft 30, and the screw S may be supplied from the end of the shaft 30.

In the fastening device 14 of the present embodiment, the driver 50 has been described as a so-called Phillips screwdriver. However, the shape of the tip 54A of the driver 50 may be different if it fits into the groove formed in the head S1 of the screw S. For example, the shape of the tip portion 54A may be any shape that fits into the groove formed in the head S1 of the screw S such as a flat-blade screwdriver and a hexagon wrench.

In the fastening devices 14 and 14C of each embodiment, the cam 82 (main body 84) protrudes from the rectangular first portion 84A and the portion of the first portion 84A on the upper side of the surface on the second cylinder 74 side. It has been described as being configured to include the second part 84B (see FIG. 4 and the like). However, the shape of the cam 82 of the present embodiment is an example, and it suffices to have a portion corresponding to the shaft portion 54 of the driver 50 and two portions corresponding to the screw S.

The transport hose 16 of each embodiment has been described as having flexibility. However, the transport hose 16 does not have to be flexible as long as the screw S sent out from the supply device 12 can be transported and supplied to the fastening device 14.

In the supply devices 12 and 12B of the first and second embodiments, it has been described that the through hole 36 is formed in the shaft 30. However, the supply device 12 does not form a through hole 36 in the shaft 30 and can be used as an independent (single) supply device that supplies the screw S in a defined holding state.

The spiral member 122 of the second embodiment has been described as having a winding shape. However, the spiral member 122 does not have to have a winding shape as long as the plurality of screws S can be carried while being separated from each other as they rotate around the axis. For example, as shown in FIG. 19, a cylinder 122A having a spiral groove (or a spiral protrusion) formed on the outer periphery may be used as the spiral member.

As described above, each embodiment and the above-described modification have been described separately. However, a fastening system may be obtained in which components such as other embodiments are combined with each embodiment and the above-described modification. For example, as shown in FIG. 20, the fastening device 14 in the fastening system 10B of the second embodiment may be replaced with the fastening device 14C of the third embodiment as the fastening system 10D.

10 Fastening system 12 Supply device 14 Fastening device 16 Transport hose (example of transport unit)
18 Screw fastener 18B1 Screw hole 18B plate (an example of a member in which a screw hole is formed)
20 Container 22 Disk (Example of bottom)
24 Drive system (an example of a rotating machine)
30 shaft (example of shaft body)
34 Groove 34A Opening surface 40 Contact member (example of contact part)
41 Tip (an example of rising part)
42 End face (example of contact surface)
43 Boundary 43A End 44 Chamfer 45 Base end side (example of contact part)
40 Contact member (example of contact part)
54 Shaft (example of rod)
72 1st cylinder (example of cylinder)
72A Lower end 72D Protruding part (example of holding part)
74 Second cylinder (an example of another cylinder)
80 Cam part (an example of rotating part)
86 Rotating shaft 90 Coil spring (an example of elastic member)
104 Through hole (example of passage)
110 combinations (example of support member)
120 Spiral body 122 Spiral member 124 Arc member 150 Cover member (example of restraining member)
200 Holding member (example of holding part)
220 Claw 228 Tip 230 Spring (Example of push part)
300 Moving part S screw (example of parts)

Claims (8)

A bottomed container that houses multiple parts and rotates around an axis,
A shaft body having a groove formed so as to rotatably support the container around the shaft in an inclined posture in which the bottom penetrates the bottom and allows parts to pass from the inside to the outside of the container.
A contact portion that rotates around the shaft while contacting a portion of the shaft body in which the groove is formed at the bottom of the container, and a chamfered portion is formed on the contact surface with the shaft body. With the contact part where the chamfer part rises from the bottom,
Supply device equipped with. The contact portion that rotates around the axis is
The supply device according to claim 1, wherein the end portion on the contact surface side at the boundary between the contact portion in contact with the bottom and the rising portion rising from the bottom passes over the opening surface of the groove. The contact portion is rotatably supported on the bottom and
The supply device according to claim 1 or 2, further comprising an elastic member that pulls or pushes the contact portion toward the shaft body side by an elastic force. A passage that connects to the end of the groove outside the container and allows parts to fall,
A spiral body that is arranged outside the container and on a portion of the shaft body in which the groove is formed, has a spiral member, rotates around an axis, separates the parts from each other by the spiral member, and carries the parts to the passage. When,
The supply device according to any one of claims 1 to 3. The spiral member has a winding shape and has a winding shape.
A restraining member, which is arranged inside the spiral member in the radial direction and on the component passing through the groove, and suppresses the component from popping out from the groove.
The supply device according to claim 4. The spiral member has a winding shape and has a winding shape.
The spiral body is fixed to a part of the spiral member, and includes an arc-shaped member having an arc shape when viewed from the axial direction of the spiral member and a triangular or trapezoidal arc member when viewed from the radial direction of the spiral member.
The arc member orbits the groove and the passage over the boundary between the groove and the passage as the spiral member rotates.
The supply device according to claim 4 or 5. The supply device according to any one of claims 1 to 6, which supplies a screw as a component.
A fastening device that is arranged below the supply device and fastens a plurality of members with screws.
A transport unit that connects the supply device and the fastening device and transports the screws supplied by the supply device to the fastening device.
Fastening system with. Using the fastening system according to claim 7, a plurality of members are fastened with screws to manufacture a screw fastener.
Manufacturing method of screw fasteners.