JP3202896B2 - Transport device for rod-shaped members - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rod-shaped member conveying device which is particularly suitable for conveying a cylindrical member such as a photosensitive drum.

[0002]

2. Description of the Related Art For example, in the case of a photosensitive drum of a copying machine, during transportation and handling before being mounted on the copying machine, the photosensitive drum is prevented from being exposed to light and the photosensitive characteristic is prevented from being deteriorated. A light-shielding paper is wrapped around the surface to prevent contamination and damage. Heretofore, such light-shielding paper has been wound around the surface of the photosensitive drum exclusively by hand.

[0003]

For this reason, the conventional winding of the light-shielding paper around the surface of the photosensitive drum is extremely inefficient in work efficiency, which leads to an increase in the unit price of the product and a variation in the finished quality. There is a problem,
Although the automation was desired, the photosensitive drum before the light-shielding paper was wound could not directly grasp the exposed drum surface, so that it was difficult to mechanically transport the photosensitive drum. Was a major contributor.
By the way, in the case of various rod-shaped members such as cylindrical products and parts other than the photosensitive drum of this type, those which cannot be directly gripped from the viewpoint of avoiding contamination or the like on the outer peripheral surface are similarly used. In addition, it is difficult to automate the winding of the wrapping paper, the protection paper, and the like on the surface, and the fact is that the wrapping paper, the protection paper, and the like are performed manually.

The present invention has been made in view of such circumstances, and can transport various rod-shaped members without causing contamination or scratches on the outer peripheral surface thereof. It is an object of the present invention to provide a bar-shaped member conveying device that can automate the above.

[0005]

According to a first aspect of the present invention, there is provided a bar-shaped member conveying device, comprising: a base having at least a pair of member receiving portions for supporting both ends of the rod-shaped member; A driving unit for reciprocating between a supply position of the rod-shaped member and a delivery position thereof, wherein the member receiving portion has a groove shape having an opening through which the rod-shaped member can be inserted and removed, and an outer periphery of the rod-shaped member is formed. The supporting side wall has a radius of curvature larger than the radius of curvature of the outer periphery of the rod-shaped member, and is formed by an inclined surface in which the width between the side walls gradually decreases from the opening side to the bottom side, and The bottom portion of the rod-shaped member extending in the axial direction is formed by an inclined surface whose depth from the opening gradually increases toward the opposing member receiving portion. Here, the expression that the side surface is larger than the radius of curvature of the outer peripheral surface of the rod-shaped member includes a case where the side surface is flat (the radius of curvature is infinite).

According to a second aspect of the present invention, in the first aspect of the present invention, the base has N (N ≧ 2) sets of member receiving portions in the moving direction. The drive means is provided so as to be reciprocally movable by a distance of 1 / N from the position to the transfer position. Between the delivery position
Temporary receiving portions of the rod-shaped members are provided at the intervals of 1 / N, and when the base moves upward, the rod-shaped member at the supply position or the temporary receiving portion is received by the member receiving portion, and the delivery position is received. The base moves down after moving to the side,
The rod-shaped member in the member receiving portion is transferred to the temporary receiving portion.

According to a third aspect of the present invention, in the second aspect of the present invention, a concave portion is formed on both end surfaces of the rod-shaped member, and the distal end portion engages with the concave portion at the delivery position. A pair of clamp arms formed with a convex part,
The protrusion is provided so as to be able to advance and retreat toward the end face of the rod-shaped member, and the protrusion is formed in a tapered shape that becomes thinner toward the distal end side, and the distal end of the rod-shaped member on the member receiving portion in the upward movement position. It is provided so as to be located above the center of the concave portion, and when the clamp arm advances toward the end surface of the rod-shaped member, the rod-shaped member is moved from the member receiving portion by the tapered portion of the convex portion engaged with the concave portion. It is characterized by being raised.

According to a fourth aspect of the present invention, the pair of member receiving portions according to any one of the first to third aspects includes:
The opposing distance is provided so as to be adjustable, and the invention according to claim 5 is characterized in that the rod-shaped member according to any one of claims 1 to 4 has a cylindrical or columnar shape. The rod-shaped member is a photosensitive drum of a copying machine.

According to the first aspect of the present invention, when both ends of the rod-shaped member are supported by the pair of groove-shaped member receiving portions opposed to each other, the side wall of the member-receiving portion is rod-shaped. Having a radius of curvature larger than the radius of curvature of the outer periphery of the member,
And since it is formed by the inclined surface whose width dimension gradually decreases from the opening side to the bottom side, and the bottom portion is formed by the inclined surface whose depth dimension gradually increases toward the opposing member receiving portion side, The rod-shaped member can be stably supported at three points, that is, both side walls and a bottom portion of the member receiving portion, and furthermore, both side walls and the outer peripheral surface of the rod-shaped member come into line contact with each other, and both ends of the bottom portion and the rod-shaped member are edged. Makes point contact, so that the rod-shaped member can be conveyed by the driving means without fear of damaging or contaminating the outer periphery of the rod-shaped member.

In this case, according to the second aspect of the present invention, the base is moved up by the elevating means when the rearmost member receiving portion in the moving direction of the base is at the supply position. The rod member at the supply position is received by the rearmost member receiving portion, and the rod member at the temporary receiving portion is received by the front member receiving portion. Next, the base is moved by a distance of 1 / N of the distance from the supply position to the transfer position by the moving means, and after the foremost member receiving portion moves to the transfer position side, the base is moved by the elevating means. By moving down, the bar-shaped member in each member receiving portion is delivered to a temporary receiving portion or a delivery position located 1 / N of a distance ahead of the received position.

[0011] Therefore, according to this rod-shaped member conveying device, as described above, the base is repeatedly moved up and down while being reciprocated by the above-mentioned distance of 1 / N, whereby each rod-shaped member is sequentially moved from the supply position. The effect of the invention according to claim 1, since the sheet can be sent to the front temporary receiving portion and finally conveyed to the transfer position, and can be used particularly when the distance from the supply position to the transfer position is long. In addition, it is preferable that a large number of the rod members can be transported in a short time without reciprocating the base for a long distance.

Further, in the invention according to claim 3,
After the base is moved up and the rod-shaped member is received by the member receiving portion, the foremost member receiving portion is moved as it is to the transfer position, and then a pair of clamp arms arranged opposite to the transfer position are brought closer to each other. In the direction in which the protrusion is engaged with the recess on the end surface of the rod-shaped member, and when the clamp arm is further approached,
Since the tip of the tapered convex portion is located above the center of the concave portion of the rod-shaped member on the member receiving portion at the upwardly moving position, the rod-shaped member is received by the tapered portion of the convex portion. From the member receiving portion to the clamp arm side. As a result, even at the transfer position, when the bar-shaped member is transferred from the member receiving portion to the clamp arm side, there is no possibility that the bar-shaped member slides on the member receiving portion and damages the outer peripheral surface.

Further, as in the invention according to claim 4,
It is preferable that the pair of member receiving portions be provided so that the distance between the member receiving portions can be adjusted, because a single transport device can transport rod-shaped members having various lengths. Therefore, the invention described in any one of claims 1 to 4 above provides:
A cylindrical or columnar member as in the invention according to the fifth aspect, in particular, it is necessary to prevent contamination and scratches on the drum surface before winding the light-shielding paper as in the invention according to the sixth aspect. When used for transporting the photosensitive drum of the machine, a remarkable effect is achieved.

[0014]

1 to 7 show a transfer device for a photosensitive drum of a copying machine, which is an embodiment of a transfer device for a rod-shaped member according to the present invention. As shown in FIGS. 1 and 2,
This transport device is for transporting the photosensitive drum 1 from a supply position A of the photosensitive drum 1 to a transfer position B, and a reference numeral 2 in the figure is a main body fixed at a predetermined position by a caster 3 and a level adjuster 4. is there. In the main body 2, air cylinders (elevating means) 5, 5 are disposed in front and rear in the transport direction, and a single-axis robot (driving means) 6 is mounted on a driving shaft of the air cylinder 5 via a mounting base. Fixed. The single-axis robot 6 has a linear motor and a shaft rotatably driven by the linear motor, and a ball screw that is screwed to the shaft and reciprocates in the transport direction. A linear traveling vehicle (base) 7 is connected. Thus, the linear traveling vehicle 7 is provided to be reciprocally movable in the transport direction along the rail 8 of the single-axis robot 6.

At one side of the bottom plate 9 of the linear traveling vehicle 7 on which the rail 8 is engaged, a fixed-side receiving beam 11 is erected along the conveying direction via a bracket 10. On the side part, a movable-side receiving beam 12 having the same shape as the fixed-side receiving beam 11 is arranged to face in parallel. The lower end portion of the moving-side receiving beam 12 is provided at two positions in front and rear of the conveying direction.
Brackets 13 extending toward the opposed fixed-side receiving beams 11 are fixed. And each bracket 13
Is movably provided along a linear guide 14 fixed on the bottom plate 9. Thereby, the movable-side receiving beam 12 is provided so as to be able to freely move toward and away from the fixed-side receiving beam 11 along the linear guide 14. A positioning block 15 is fixed on the bottom plate 9 in parallel with the linear guide 14. In the positioning block 15, circular holes 16 are formed at predetermined intervals in the longitudinal direction. . On the other hand, the bracket 1 of the moving-side receiving beam 12
3 is provided with a stopper plate 17 extending to the upper surface side of the positioning block 15. An index plunger 18 engaging with the hole 16 formed in the lower positioning block 15 is attached to the stopper plate 17. Is provided.

At the front and rear portions of the fixed-side receiving beam 11 and the moving-side receiving beam 12 in the transport direction, member receiving portions 19 and 20 are formed to face each other in a direction orthogonal to the transport direction. Here, the member receiving portions 19, 20
Are formed in the same shape as each other, and the supply position A described above is
Is formed at a distance of の of the distance between the transfer position B and the transfer position B. 5 and 6 show the member receiving portion 20 formed forward of the fixed-side receiving beam 11 in the transport direction. The member receiving portion 20 is formed at the end of the fixed-side receiving beam 11. V-shaped groove 21 opening upward
And a support member 23 protruding in the vicinity of the bottom of the groove 21 in the axial direction of the photosensitive drum 1 and constituting the bottom 22 of the groove 21. The side wall 24 of the groove 21 for supporting the outer periphery of the photosensitive drum 1
The side walls 24, 24 extend from the opening side to the bottom 22 side.
It is formed by a flat inclined surface (a radius of curvature larger than the radius of curvature of the outer periphery of the photosensitive drum 1) in which the width dimension between them is gradually reduced. Further, as shown in FIG. 6, the bottom portion 22 is formed by an inclined surface whose depth dimension gradually increases from the opening toward the opposing member receiving portion 20 side.

Further, as shown in FIG. 2, the photosensitive drum 1 is temporarily placed at the intermediate position between the supply position A and the transfer position B of the main body 2 of the transfer device when the photosensitive drum 1 is transferred. Intermediate temporary table (temporary receiving part) 2 for storing
5 are provided. FIGS. 3 and 4 show the intermediate temporary support 25, in which a fixed support 26 is provided upright on the outside of the fixed support 11 of the main body 2, and the outside of the movable support 12 opposed thereto. A movable support 27 is provided upright. A flange support portion 28 is fixed to the opposed surface side of the fixed-side support 26 so as to extend from the fixed-side support beam 11 to a position slightly outside.
A flange receiver 29 that supports the flange 1a of the photosensitive drum 1 at the upper height of the fixed-side receiving beam 11 is formed at the distal end of the flange support portion 28.

On the other hand, a hole is formed in the movable-side support 27 toward the fixed-side support 26, and a pair of slide shafts 30, 30 are movably inserted into the hole. Here, on the outer periphery of the base end of one slide shaft 30,
Holes 30a are formed at predetermined intervals, and on the other hand, any of the holes 30a
An index plunger 31 that engages with a is mounted. A flange support portion 33 is disposed at a distal end of the slide shaft 30 via a connecting plate 32 at a position slightly outside the movable side receiving beam 12.
3, the other flange 1a of the photosensitive drum 1
Is formed.

As shown in FIGS. 1 and 2, at a transfer position B of the photosensitive drum 1, a photosensitive drum holding and rotating device 35 for receiving the photosensitive drum 1 on the member receiving portion 20 on the front side in the transport direction. Are arranged. The holding rotating device 35 includes a rotating shaft 3 rotatably provided on a base 36.
A pair of rotating plates 38, 38 are attached to both ends of the photosensitive drum 1 at intervals larger than the length of the photosensitive drum 1. The rotating plates 38 are provided at four circumferential positions of the rotating plate 38 so as to be able to advance and retreat in opposing directions. The main body of the provided clamp arm 39 is fixed. At the distal end of the clamp arm 39, a conical convex portion 40 that engages with holes (recesses) 1b formed on both end surfaces of the photosensitive drum 1 is formed, and is shown by a two-dot chain line in FIG. As described above, when the member receiving portion 20 on the front side in the transport direction moves to the delivery position B, the convex portion 40 which has been retracted once is pressed toward the photosensitive drum 1 by the clawed arm which is protruded and retracted by the cylinder (not shown). It is designed to engage with the hole 1b.

At this time, as shown in FIG.
0 is a hole 1 of the photosensitive drum 1 on the member receiving portion 20 at the upward movement position, the tapered tip tapering toward the tip end side.
b so as to be positioned above the center, so that when the clamp arm 39 advances toward the end surface of the photosensitive drum 1, the convex portion engages with the hole 1b in parallel with this. By raising the photosensitive drum 1 from the member receiving portion 20 by the tapered portion 40, a gap L is generated between the photosensitive drum 1 and the bottom portion 22 of the member receiving portion 20.

Next, the operation of the photosensitive drum transport device having the above configuration will be described. First, after the rear member receiving portion 19 is located at the supply position A of the photosensitive drum 1,
When the photosensitive drum 1 is mounted on the member receiving portion 19 and the transfer device is driven, the single-axis robot 6 and the linear traveling vehicle 7 above the single-axis robot 6 are moved by the air cylinder 5 as shown in FIG.
The linear traveling vehicle 7 is moved upward by the single-axis robot 6 to the position shown by the dashed line, and
Move forward towards. When the feed position A and the transfer position B are moved forward by a half of the distance between the supply position A and the transfer position B, the rear member receiving portion 19 is located on the intermediate temporary table 25. Here, the linear traveling vehicle 7 is moved down by the air cylinder 5, whereby the photosensitive drum 1 on the member receiving portion 19 is moved.
Is temporarily mounted between the flange support portions 28 and 33 by supporting the flange 1a on the flange receivers 29 and 34 of the intermediate temporary mounting table 25.

Next, the linear traveling vehicle 7 is retreated to the supply position A side by the single-axis robot 6 in the lower movement position, and the member receiving portion 19 is returned to the supply position A. Incidentally, at this time, the member receiving portion 20 in front of the linear traveling vehicle 7 is used.
Are located below the intermediate temporary table 25. When a new photosensitive drum 1 is placed on the member receiving portion 19 and the linear traveling vehicle 7 is moved upward by the air cylinder 5, the photosensitive drum 1 previously placed on the intermediate temporary placing table 25 is Is supported on the front member receiving portion 20 with the upward movement of the linear traveling vehicle 7. Next, when the linear traveling vehicle 7 moves to the transfer position B side by the single-axis robot 6,
The rear member receiving portion 19 is again located at the intermediate temporary table 25, and the front member receiving portion 20 reaches the transfer position B.

Next, at the transfer position B, a pair of clamp arms 39 of the photosensitive drum nipping / rotating device 35 behind both ends of the photosensitive drum 1 on the member receiving portion 20 are provided.
Are pressed by arms with claws that protrude and retract by a cylinder (not shown), and the protrusions 40 at the respective ends engage with the holes 1 b of the photosensitive drum 1. At this time, as shown in FIG. 7, since the central axis of the projection 40 is located above the center of the hole 1b, when the clamp arm 39 further advances, the projection engaged with the hole 1b is formed. The photosensitive drum 1 is raised from the member receiving portion 20 by the tapered portion of the portion 40,
A gap L is generated between the photosensitive drum 1 and the bottom 22 of the member receiving portion 20. Thus, the photosensitive drum 1 on the member receiving portion 20 is transferred to the photosensitive drum holding device 35 side.

By repeating the above operations sequentially, the photosensitive drum 1 supplied from the supply position A is
One after another, it is temporarily placed on the intermediate temporary placing table 25 by the member receiving portion 19, and then transported to the delivery position B by the front member receiving portion 20 and delivered to the photosensitive drum holding device 35. Thus, the photosensitive drum holding device 3
The photosensitive drum 1 conveyed to the photosensitive drum 1 is rotated by the photosensitive drum holding device 35, and the new clamp arms 39, 3
9 and at the rear side in the rotation direction,
For example, the light is supplied to a light-shielding paper winding device provided at a later stage.

When the photosensitive drum 1 having a different length is transported to the supply position A in FIG. 2 as indicated by a two-dot chain line, first, the bracket 13 of the movable receiving beam 12 is transported. Index plunger 18 provided
Is removed from the hole 16 and the bracket 13 is moved along the linear guide 14 to adjust the distance between the movable receiving beam 12 and the fixed receiving beam 11 in accordance with the length of the photosensitive drum 1. The movable plunger 12 is fixed by engaging the index plunger 18 with the hole 16 of the positioning block 15 located at an appropriate position. Also, regarding the intermediate temporary table 25, once the index plunger 31 of the moving-side support 27 is removed from the hole 30a of the slide shaft 30, the slide shaft 30 is moved, and the distance between the flange receivers 29 and 34 is reduced. After adjusting to a predetermined length corresponding to the length dimension of both end flanges 1a, the index plunger 31 is engaged with the hole 30a of the slide shaft 30 at an appropriate position to fix the slide shaft 30.

As described above, according to the photosensitive drum conveying device, when the both ends of the photosensitive drum 1 are supported by the pair of groove-shaped member receiving portions 19 (20) opposed to each other, the member receiving portions The member receiving portion 19 (20) in which the side wall 24 of 19 (20) is formed by an inclined surface having a radius of curvature larger than the radius of curvature of the outer periphery of the rod-shaped member, and the bottom portion 22 is opposed.
The photosensitive drum 1 is formed by an inclined surface whose depth gradually increases toward the side.
9 (20) can be stably supported at the three points of the side walls 24 and the bottom portion 22, the side walls 24 and the outer peripheral surface of the photosensitive drum 1 are in line contact, and the bottom portion 22 and the photosensitive drum 1 Since the both ends are in point contact, the photosensitive drum 1 can be stably and reliably transported to the transfer position B without damaging or contaminating the outer periphery of the photosensitive drum 1.

As described above, the linear traveling vehicle 7 is repeatedly moved up and down by the air cylinder 5 while being reciprocated by a half of the distance between the supply position A and the transfer position B. Since the drum 1 can be sequentially sent from the supply position A to the intermediate temporary placing table 25 in front and finally conveyed to the transfer position B, a large number of the linear traveling vehicles 7 can be moved in a short time without reciprocating a long distance. Can be conveyed one after another.

Further, at the transfer position B, the pair of clamp arms 39, 39 arranged opposite to the transfer position B are advanced in a direction approaching each other, and the projection 40 is formed in the hole on the end face of the photosensitive drum 1. When engaged with the portion 1b, the tip of the convex portion 40 formed in a tapered shape is
As a result of being located above the center of the hole 1b of the photosensitive drum 1 on the member receiving portion 20 at the upward movement position, the photosensitive drum 1
Can be raised from the member receiving portion 20 by the tapered portion of the convex portion 40. Therefore, even at this transfer position B, when the photosensitive drum 1 is transferred from the member receiving portion 20 to the clamp arm 39 side, the photosensitive drum 1 There is no danger that the outer peripheral surface will be damaged by sliding on the member receiving portion 20.
As described above, according to the photosensitive drum transport device, the photosensitive drum 1 can be continuously transported from the supply position A to the transfer position B without damaging or contaminating the drum surface of the photosensitive drum 1. In a device for automatically winding a light-shielding paper, it can be used as an automatic conveying means thereof, and thus various automatic processes for the photosensitive drum 1 can be realized.

Further, in the above-mentioned conveying device, the distance between the pair of member receiving portions 19 (20) and the flange receivers 29, 34 of the intermediate temporary placing table 25 is provided so as to be adjustable. By moving the movable-side receiving beam 12 and the slide shaft 30 and fixing them at appropriate positions, the photosensitive drums 1 having various lengths can be transported by one transport device.

In the above embodiment, only the case where the side walls 24 of the member receiving portions 19 and 20 for supporting the photosensitive drum 1 are formed by flat inclined surfaces having an infinite radius of curvature has been described. It is not limited to this,
By forming the photosensitive drum 1 by a curved inclined surface having a radius of curvature larger than the radius of curvature of the photosensitive drum 1, the same operation and effect can be obtained even when the photosensitive drum 1 is supported by line contact. Also, the member receiving portions 19, 2
0 is provided at two places in front and rear of the linear traveling vehicle 7, but is not limited thereto. For example, when the distance between the supply position A and the transfer position B is longer,
In the linear traveling vehicle, member receiving portions are provided at three or more N positions in the moving direction with the supply position A.
And a distance of 1 / N of the distance from the transfer position B to the transfer position B. The single-axis robot 6 reciprocates the distance of 1 / N and provides a reciprocal movement between the supply position A and the transfer position B. In between, the intermediate temporary placement section 25 of the photosensitive drum 1 may be provided at every 1 / N interval.

Further, in the above description, the case where the photosensitive drum 1 conveyed to the transfer position B is supplied to the light shielding paper winding device provided at the subsequent stage as an example has been described, but the invention is not limited to this. In addition, it is possible to automate the various transports and processes of the photosensitive drum 1 by incorporating the transport device into other various transport and processing devices. Further, in the present embodiment, only the example in which the bar-shaped member transfer device according to the present invention is applied to the transfer device of the photosensitive drum 1 has been described. However, the present invention is not limited to only the photosensitive drum 1, and the present invention is not limited to the photosensitive drum 1. The present invention can be applied to conveyance of various cylindrical, cylindrical, polygonal, and other rod-shaped members that are inconvenient to damage the outer peripheral surface or give contamination.

[0032]

As described above, according to the rod-shaped member conveying device of the first aspect, when the both ends of the rod-shaped member are supported by the pair of groove-shaped member receiving portions disposed opposite to each other, The rod-shaped member can be stably supported at three points, that is, both side walls and a bottom portion of the member receiving portion, and furthermore, both side walls and the outer peripheral surface of the rod-shaped member come into line contact with each other, and both ends of the bottom portion and the rod-shaped member are edged. Is a point contact, so that the rod-shaped member can be conveyed by the driving means without fear of damaging or contaminating the outer periphery. According to the second aspect of the present invention, as described above, the operation of moving the base up and down while reciprocating the base by the 1 / N distance is repeated, so that each rod-shaped member is sequentially moved forward from the supply position. Send it to the temporary receiving section,
Because it can be finally transported to the delivery position,
The rod-shaped member can be used in a short time without using the base in a reciprocating manner for a long distance, in addition to the effect of the invention according to claim 1, even when used for conveyance when the distance from the supply position to the transfer position is long. This is preferable because it can be carried.

Further, according to the third aspect of the present invention,
The invention according to claim 4, wherein even at the transfer position, when the bar-shaped member is transferred from the member receiving portion to the clamp arm side, there is no possibility that the bar-shaped member slides on the member receiving portion and damages the outer peripheral surface. It is preferable that the pair of member receiving portions is provided so that the distance between the member receiving portions can be adjusted, as described above, since a single transport device can transport rod-shaped members having various lengths. Therefore, the invention according to any one of claims 1 to 4 requires a copying machine in which contamination or scratches on the drum surface need to be prevented before transporting a cylindrical or columnar member, particularly before winding a light-shielding paper. When used for transporting the photosensitive drum, a remarkable effect can be obtained.

[Brief description of the drawings]

FIG. 1 is a front view (a view taken along the line II of FIG. 2) showing an embodiment of a bar-shaped member conveying device according to the present invention.

FIG. 2 is a plan view of FIG.

FIG. 3 is a front view showing the intermediate temporary table of FIG. 1;

FIG. 4 is a plan view of FIG. 3;

FIG. 5 is a front view showing a configuration of a member receiving portion of FIG. 1;

FIG. 6 is a side view of FIG. 5;

FIG. 7 is a side view of a main part showing a configuration of a delivery position in FIG. 1 as viewed in cross section.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Photosensitive drum (bar-shaped member) 2 Main body 5 Air cylinder (elevating means) 6 Single axis robot (driving means) 7 Linear traveling vehicle (base) 11 Fixed-side receiving beam 12 Moving-side receiving beam 14 Linear guide 15 Positioning block 16 Hole Part 18, 31 Index plunger 19, 20 Member receiving part 21 Groove part 22 Bottom part 24 Side wall 25 Intermediate temporary placement table (temporary receiving part) 29, 34 Flange receiving part 30 Slide shaft 30a Hole part 39 Clamp arm 40 Convex part

────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-6-156666 (JP, A) JP-A-5-208723 (JP, A) (58) Fields investigated (Int. Cl. ⁷ , DB name) B65G 25/00-25/06

Claims (6)

(57) [Claims] 1. A transport device for transporting a rod-shaped member from a supply position to a transfer position, comprising: a base having at least a pair of member receiving portions for supporting both ends of the rod-shaped member; A driving means for reciprocating between a position and the delivery position, wherein the member receiving portion has a groove shape having an opening through which the rod member can be inserted and removed, and a side wall for supporting an outer periphery of the rod member. Has a radius of curvature larger than the radius of curvature of the outer periphery of the rod-shaped member, and is formed by an inclined surface in which the width between the side walls gradually decreases from the opening side to the bottom side, and the rod-shaped A rod-shaped member, wherein a bottom portion extending in the axial direction of the member is formed by an inclined surface whose depth dimension gradually increases from the opening toward the opposed member receiving portion side. Transport device. 2. The base according to claim 1, wherein said base is N
(N ≧ 2) sets of the member receiving portions are disposed at an interval of 1 / N of a distance from the supply position to the transfer position, and are reciprocally movable by the driving means over the 1 / N distance. And a provisional receiving portion for the bar-shaped member is provided at every 1 / N interval between the supply position and the delivery position, and the base is raised. By moving, the rod-shaped member at the supply position or the temporary receiving portion is received by the member receiving portion, and after moving to the delivery position side, the base moves down, so that the 2. The rod-shaped member conveying device according to claim 1, wherein the rod-shaped member is transferred to the temporary receiving portion. 3. A pair of clamp arms each having a concave portion formed on both end surfaces of the rod-shaped member and a convex portion engaging with the concave portion at a tip portion at the transfer position, and a pair of clamp arms formed on the end surface of the rod-shaped member. The convex portion is formed so as to be able to advance and retreat toward the distal end, and the convex portion is formed in a tapered shape that becomes thinner toward the distal end side, and the distal end thereof is positioned from the center of the concave portion of the rod-shaped member on the member receiving portion in the upward movement position. Is also provided so as to be located above, and when the clamp arm advances toward the end face, the bar-shaped member is raised from the member receiving portion by the tapered portion of the convex portion engaged with the concave portion. The apparatus for conveying a rod-shaped member according to claim 2, wherein: 4. The device according to claim 1, wherein the pair of member receiving portions are provided such that their opposing distances are adjustable.
4. The device for transporting a rod-shaped member according to any one of claims 1 to 3. 5. The bar-shaped member conveying device according to claim 1, wherein the rod-shaped member is a cylindrical or columnar member. 6. The apparatus according to claim 1, wherein said rod-shaped member is a photosensitive drum of a copying machine.