JP3231607U - Supply device for small parts - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a small component supply device capable of suppressing a pop-out phenomenon of an air cylinder and stabilizing the supply of small parts while suppressing a manufacturing cost. SOLUTION: A supply device 10 is connected to a piston rod 24 of an air cylinder 20 and slidable in a guide 40, and a supply chute for supplying a nut N on a side opposite to the piston rod of the supply rod. The 130 and the core block 80 provided on the side opposite to the piston rod of the supply rod and provided with a passage 83 that supports one end of the supply chute and feeds the nut supplied from the supply chute toward the processing machine side. A door 150 that opens and closes the passage from the outside is provided. A holding portion 65 for holding a nut is provided on the side of the supply rod opposite to the piston rod, and a head-side speed control valve 27 is provided at the head-side air port 22a of the air cylinder. [Selection diagram] Fig. 3

Description

The present invention relates to a supply device for small parts with through holes.

As a conventional supply device for small parts, there is one described in Patent Document 1 that the applicant has previously made. According to this, a rod that moves forward and backward by a fluid pressure cylinder is arranged in a cover cylinder fixed to the main body block, a passage through which the rod passes is formed in the main body block, and a passage through the passage is formed at the front portion in the passage. A chute for feeding nuts was connected to the main body block, and a door was provided at the front portion of the main body block to open and close the front surface of the passage. A nut support portion having a rugged head is provided at the tip of the rod, and the diameter of the base portion of the rugged head is slightly larger than the diameter of the rod portion and the hole diameter of the nut. It is formed to be slightly smaller, the length of the rod portion is formed to be slightly longer than the thickness of the nut, and when the rod is extruded, the nut support portion is inserted through the nut, and the nut is supported and supplied by the rod portion. It was configured to do.

Special Fair 7-63856

Generally, in a small component supply device, meter-out control is performed by arranging a speed control valve at the rod-side airport of the air cylinder. In this case, if the exhaust side has an atmospheric pressure and a pressure lower than that during normal operation, there is a problem that the air cylinder pops out. Then, the pop-out phenomenon of the air cylinder becomes remarkable when the stroke length of the air cylinder is long.

In the above-mentioned small part supply device, the small parts are supported and supplied by the rod part to stabilize the supply of the small parts, but the rod part and the nut support part having a giboshi-shaped head are formed. Has a problem that the work man-hours are required and the manufacturing cost is high.

In view of the above circumstances, it is an object of the present invention to provide a small component supply device capable of suppressing the manufacturing cost, suppressing the pop-out phenomenon of the air cylinder, and stabilizing the supply of the small component. To do.

The device according to claim 1 is a device for supplying small parts having a through hole.
A supply rod that is connected to the piston rod of an air cylinder and can slide inside the guide,
A supply chute that supplies the small parts on the side of the supply rod opposite to the piston rod,
A passage is provided on the side of the supply rod opposite to the piston rod and for supporting one end of the supply chute and feeding the small parts supplied from the supply chute toward the processing machine side. With the core block provided
A door that opens and closes the passage from the outside,
With
A holding portion for holding the small parts is provided on the side of the supply rod opposite to the piston rod.
A speed control valve is provided at the head-side airport of the air cylinder.

According to this, since meter-in control is possible, the phenomenon of the air cylinder popping out can be suppressed regardless of the conditions on the exhaust side, so that the manufacturing cost can be suppressed and small parts can be stably supplied without dropping. It becomes possible to do. Furthermore, since small parts with relatively light weight are supplied, it is not necessary to consider the disadvantage of meter-in control, which is vulnerable to fluctuations in load and resistance.

Further, the holding portion has a small-diameter portion that can be inserted through the through hole and a pressing surface portion that is formed so as to be orthogonal to the axial direction of the small-diameter portion.
The door is provided with a notch through which the small diameter portion can be inserted.

According to this, when the supply rod is sent out, the small diameter portion is inserted into the notch, and the small component can be held until the small component hits the pressing surface portion, which leads to a stable supply of the small component.

Further, the stroke length of the air cylinder is 200 mm to 500 mm.

According to the present invention, even if the stroke length of the air cylinder is relatively long, 200 mm to 500 mm, small parts can be stably supplied.

It is a front view of the supply device of one Embodiment of this invention. It is a left side view of the supply device of the same embodiment. FIG. 2 is a cross-sectional view taken along the line III-III in FIG. It is a partially enlarged sectional view of FIG. It is a V-line arrow view of FIG. It is operation explanatory drawing of the feeding device. It is the operation explanatory drawing which continued with FIG.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings. In the following description, when an arrow is attached in each drawing, F is the front, B is the back, R is the right, L is the left, U is the top, and D is the bottom.

As shown in FIGS. 1 to 5, the accessory supply device 10 (hereinafter referred to as the supply device 10) includes an air cylinder 20, a guide 40, a supply rod 60, a core block 80, a supply chute 130, and the like. It is equipped with a door 150.

In the present embodiment, the supply device 10 aligns the nut N having the through hole N1 as a small part shown in FIG. 4, and the nut N is provided with a projection N2 (projection) on the back surface Na side. ing. In the present embodiment, the back surface Na is the surface to be welded when it is welded to the work.

As shown in FIGS. 1 and 2, the air cylinder 20 includes a cylinder tube 21, a head cover 22, a rod cover 23, and a piston rod 24.

An auto switch 25 for confirming the protruding end of the piston rod 24 is provided on the rod cover 23 side of the cylinder tube 21.

The head cover 22 is provided with a head-side airport 22a for supplying and exhausting air, the head-side airport 22a is provided with an air joint 26, and the air joint 26 is provided with a head-side speed control valve 27 (speed controller). It is arranged.

The rod cover 23 is provided with a rod-side air port 23a for intake and exhaust, the rod-side air port 23a is provided with an air joint 28, and the air joint 28 is provided with a rod-side speed control valve 29 (speed controller). Are arranged.

The head-side speed control valve 27 and the rod-side speed control valve 29 are connected to an air pipe (not shown).

At the left end of the rod cover 23, a small diameter portion 23b formed to have a smaller diameter than the other portions is arranged. The rod cover 23 is formed with an insertion hole 23c that penetrates in the left-right direction.

In this embodiment, the stroke length of the air cylinder 20 is set to 300 mm.

The guide 40 is made of metal and is formed in a cylindrical shape having a through hole penetrating along the axial direction (left-right direction) as shown in FIGS. 1, 3 to 5, and the like. The through hole has a large inner diameter portion 41 and a small inner diameter portion 42 formed to have a smaller diameter than the large inner diameter portion 41.

A pin hole 43 is formed so as to be orthogonal to the small inner diameter portion 42, and a detent pin 45 for preventing the supply rod 60 from rotating around the axis is inserted into the pin hole 43. A screw hole 44 is formed so as to be orthogonal to the pin hole 43, and the screw 46 is screwed into the screw hole 44.

The supply device 10 is connected to the right end of the large inner diameter portion 41 of the guide 40 and the small diameter portion 23b of the rod cover 23.

The supply rod 60 is made of metal, and as shown in FIGS. 2 to 4, has a large diameter portion 61, a small diameter portion 62 formed to have a smaller diameter than the large diameter portion 61, and a large diameter portion 61. It has a pressing surface portion 63 that is connected to the small diameter portion 62.

The supply rod 60 has a detent surface 64 formed by cutting off the upper end portion along the axial direction (left-right direction) from the left end portion of the large diameter portion 61 to the portion to which the cushion 72 described later is attached. It is arranged. The detent surface 64 comes into contact with the detent pin 45 to prevent the supply rod 60 from rotating.

A holding portion 65 for holding the nut N is provided on the left side of the supply rod 60 (the side opposite to the piston rod 24).

In the present embodiment, the holding portion 65 is composed of a small diameter portion 62 that can be inserted through the through hole N1 of the nut N and a pressing surface portion 63 formed so as to be orthogonal to the axial direction of the small diameter portion 62.

The left end of the piston rod 24 and the right end of the supply rod 60 are connected via a connecting nut 70.

A cylindrical cushion 71 is fitted in the vicinity of the connecting nut 70 of the piston rod 24, and a cylindrical cushion 72 is fitted in the vicinity of the connecting nut 70 of the supply rod 60 and slides in the large inner diameter portion 41. It is possible.

As shown in FIGS. 1 to 5 and the like, the core block 80 has a guide plate 90, a core plate 100, a core 110, and a stopper plate 120.

The guide plate 90 is made of metal and is formed in an octagonal flat plate shape. The guide plate 90 is provided with an insertion hole 91 that penetrates in the left-right direction and allows the large diameter portion 61 and the small diameter portion 62 of the supply rod 60 to be inserted.

An end face on the right side of the guide plate 90 and an end face on the left side of the guide 40 are connected by bolts (not shown).

The core plate 100 is made of metal and is formed in an octagonal flat plate shape slightly larger than the guide plate 90. The core plate 100 is provided with an insertion hole 101 that penetrates in the left-right direction and allows the large-diameter portion 61 and the small-diameter portion 62 of the supply rod 60 to be inserted.

The guide plate 90 and the core plate 100 are overlapped in the left-right direction and fastened with bolts 81 to be connected.

The core 110 is made of metal and is formed in a rectangular parallelepiped shape, and is provided with an insertion hole 111 that penetrates in the left-right direction and allows the large diameter portion 61 and the small diameter portion 62 of the supply rod 60 to be inserted.

An end face on the right side of the core 110 and an end face on the left side of the core plate 100 are connected by bolts (not shown).

The stopper plate 120 is made of metal and is formed in a home base shape that has a convex portion on the left side and is long in the front-rear direction.

The core 110 and the stopper plate 120 are arranged so that the stopper plate 120 protrudes to the left side of the core 110, are overlapped in the vertical direction, and are fastened and connected by bolts 82. The stopper plate 120 stops the nut N sent from the supply chute 130.

As shown in FIGS. 1 to 4, the supply chute 130 is formed in a square cylinder shape and is connected to a nut feeder (not shown). An insertion hole 131 is provided on the wall on the core 110 side near the outlet of the supply chute 130 so as to penetrate in the left-right direction and allow the large-diameter portion 61 and the small-diameter portion 62 of the supply rod 60 to be inserted.

A rectangular opening 132 is formed on the left wall near the outlet of the supply chute 130 so that the nut N, the large diameter portion 61 of the supply rod 60, and the small diameter portion 62 can be inserted.

In the present embodiment, the core block 80 feeds the nut N toward the processing machine side at the insertion hole 91, the insertion hole 101, the insertion hole 111, the insertion hole 131, the inside of the supply chute 130, and the opening 132. Passage 83 is configured.

A pair of hinge members 140 are arranged above the outlet of the supply chute 130 so as to project to the left side. The pair of hinge members 140 are provided with shaft holes 141 penetrating in the front-rear direction.

The supply device 10 is provided with a door 150 capable of opening and closing the opening 132. The door 150 has a flat plate-shaped main body portion 151 and a pair of rib portions 152 extending in a substantially triangular shape from the front and rear end portions of the main body portion 151, respectively. The pair of rib portions 152 are provided with shaft holes 153 that penetrate in the front-rear direction. A lever 155 extending toward the left side is provided on the rib portion 152 on the rear side.
By arranging the door 150 between the pair of hinge members 140, aligning the shaft hole 141 and the shaft hole 153 and inserting the shaft 160, the door 150 can rotate with respect to the pair of hinge members 140. It is said that. A spring member 170 is attached to the outside of the shaft 160, and the door 150 is urged to cover the opening 132.

The door 150 is provided with a notch 154 through which the small diameter portion 62 can be inserted. The notch 154 is formed by being cut out in a semi-long hole shape when viewed from the left-right direction.

Next, the operation of the supply device 10 will be described. When used, as shown in FIGS. 6 and 7, the core block 80 side is tilted downward.

In the states shown in FIGS. 1 and 3, air is supplied from the head side airport 22a. Since the head-side speed control valve 27 is provided at the head-side airport 22a, meter-in control is possible. That is, since the piston rod 24 and the supply rod 60 are sent out at a constant speed from the initial motion, the impact of the nut N hitting the pressing surface portion 63 of the supply rod 60 can be suppressed.

At this time, since the door 150 has the notch 154, the small diameter portion 62 of the supply rod 60 does not interfere with the notch 154, so that the door 150 stays until the pressing surface portion 63 of the supply rod 60 moves. Since it does not open, the nut N can be held stably.

As shown in FIGS. 6 and 7, the nut N is held by the small diameter portion 62 of the supply rod 60 and the pressing surface portion 63, and can be stably supplied to the pin 200 of the mating machine.

Further, since the rod-side speed control valve 29 is arranged at the rod-side airport 23a, the merit of meter-out control can be enjoyed.

The feeding device 10 of the above embodiment is a feeding device for a nut N having a through hole N1.
A supply rod 60 that is connected to the piston rod 24 of the air cylinder 20 and can slide in the guide 40,
A supply chute 130 that supplies the nut N on the side of the supply rod 60 opposite to the piston rod 24,
A passage 83 is provided on the side of the supply rod 60 opposite to the piston rod 24 and for supporting one end of the supply chute 130 and feeding the nut N supplied from the supply chute 130 toward the processing machine side. With the core block 80 provided
A door 150 that opens and closes the passage 83 from the outside,
With
A holding portion 65 for holding the nut N is provided on the side of the supply rod 60 opposite to the piston rod 24.
A head-side speed control valve 27 is provided at the head-side airport 22a of the air cylinder 20.

According to this, since meter-in control is possible, the pop-out phenomenon of the air cylinder 20 can be suppressed regardless of the conditions on the exhaust side, so that the manufacturing cost can be suppressed and the nut N can be stably suppressed without dropping. It becomes possible to supply. Furthermore, since the nut N, which is relatively light in weight, is supplied, it is not necessary to consider the demerit of meter-in control, which is vulnerable to fluctuations in load and resistance.

Further, the holding portion 65 has a small diameter portion 62 that can be inserted through the through hole N1 and a pressing surface portion 63 formed so as to be orthogonal to the axial direction of the small diameter portion 62.
The door 150 is provided with a notch 154 through which the small diameter portion 62 can be inserted.

According to this, when the supply rod 60 is sent out, the small diameter portion 62 is inserted into the notch 154, and the nut N can be held until the nut N hits the pressing surface portion 63, so that the nut N can be stably supplied. Connect.

Further, the stroke length of the air cylinder 20 is 300 mm.

In the present invention, the nut N can be stably supplied even if the stroke length of the air cylinder 20 is 300 mm, which is relatively long.

The small component supply device of the present invention is not limited to the above configuration. That is, various design changes can be made as long as the gist of the present invention is not deviated.

For example, the present invention can be applied to washers, collars, etc. other than nut N as long as it has a through hole. In this case, the inner shapes of the supply chute 130 are formed so as to correspond to each other.

Further, the stroke length of the air cylinder 20 can be appropriately changed between 200 mm and 500 mm.

10 Supply device 20 Air cylinder 27 Head side speed control valve 40 Guide 60 Supply rod 62 Small diameter part 63 Pressing surface part 65 Holding part 80 Core block 83 Passage 130 Supply chute 150 Door 154 Notch N Nut N1 Through hole

Claims (3)

It is a supply device for small parts with through holes.
A supply rod that is connected to the piston rod of an air cylinder and can slide inside the guide,
A supply chute that supplies the small parts on the side of the supply rod opposite to the piston rod,
A passage is provided on the side of the supply rod opposite to the piston rod and for supporting one end of the supply chute and feeding the small parts supplied from the supply chute toward the processing machine side. With the core block provided
A door that opens and closes the passage from the outside,
With
A holding portion for holding the small parts is provided on the side of the supply rod opposite to the piston rod.
A device for supplying small parts, characterized in that a speed control valve is provided at an airport on the head side of the air cylinder. The holding portion has a small-diameter portion that can be inserted through the through hole and a pressing surface portion that is formed so as to be orthogonal to the axial direction of the small-diameter portion.
The small component supply device according to claim 1, wherein the door is provided with a notch through which the small diameter portion can be inserted. The small component supply device according to claim 1 or 2, wherein the stroke length of the air cylinder is 200 mm to 500 mm.

Images