JPS606327A - Separation and supply apparatus for headed rod materials - Google Patents

Abstract

PURPOSE:To ensure amooth separation and supply of headed rod materials piece by piece without disturbing its attitude even if the headed rod is one with a washer-faced head whose head portion is heavier than the rod portion or one smaller in size and lighter in weight, by providing a rod portion separating claw and a head portion separating claw which are adapted to simultaneously abut on the rod portion and the head portion for a smooth separation. CONSTITUTION:A shutter 29 fixed to a plate 25 is slidably fitted in a groove 28 provided in the body 15 of the separation and supply apparatus 10. A finger 32 is fixedly attached at its lower end to a groove 31 provided in the top portion of the body 15. The finger 32 is provided with a rod portion stopping claw 33 for receiving the rod portion of the headed rod material 7 and a head portion stopping claw 34 for receiving the head portion of the same. The finger 32 is further provided with a rod portion separating claw 35 for forming a groove portion whose distance from the rod portion stopping claw 33 is larger than the diameter of the rod portion of the rod material 7 but smaller than the diameter of the head portion of the same and a head portion separating claw 36 disposed above the rod portion separating claw 35 and adapted to abut on the head portion of the rod material 7 at the same time as the rod portion separating claw 35 abuts on the rod portion of the same, whereby one of the rod materials 7 is separated from others at the position they are arranged on a chute 8.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a feeding device for headed bars, such as screws and rivets, which reliably separates the headed bars one by one and feeds them in the correct orientation. This invention relates to a bar separation and feeding device.

Structure of the conventional example and its problems The conventional headed bar material separation and supply device is, for example,
In the apparatus described in Japanese Patent No. 2671, as shown in FIG.
When the height of A is high and the length of the shaft portion 1B is short, when the headed bar 1 is stopped once at the claw portion 2, the weight of the head 1A is heavier than the shaft portion 1B, so the headed bar 1 assumes a forward-leaning posture and rotates in the direction of arrow As a result, there was a drawback that jamming occurred and the headed bar 1 was damaged. In addition, as shown in FIGS. 2 and 3, the shaft portion 1B of the headed bar 1
As the only part is separated by moving the claw part 2 and the inclined groove part 3 to the left, the shaft part 1B moves forward, and the forward movement of the head part 1A is delayed, and the headed bar 1 takes a backward tilting position and rotates in the direction of the arrow Y. However, there was a drawback that the head 1A was caught between the head 4 and the chute 5 and could not be fed.

Purpose of the Invention In view of the above-mentioned drawbacks, the present invention provides a headed bar with a seat whose head is heavier than the shaft, or a headed bar with a light weight and small size, which can be reliably separated and fed without losing its posture. A separation supply device is provided.

Structure of the Invention The present invention provides a seat for suspending the head of a headed bar and feeding the bar in alignment to the separator main body, and a seat provided on the separator main body to suspend the head of the headed bar. The distance between the shaft stop claw provided so as to be able to come into contact with the shaft of the headed bar, the head stop claw provided so as to be able to come into contact with the head of the headed bar, and the said shaft stop claw is the same as that of the headed bar. a shaft separation pawl forming a groove υ larger than the diameter of the shaft and smaller than the diameter of the head, and when the shaft separation pawl comes into contact with the shaft of the headed bar, the head a head separating claw that can come into contact with the head of the bar; the shaft stopping claw; the head stopping claw;
The shaft separating claw and the head separating claw are integrally capable of reciprocating in a direction approximately perpendicular to the conveyance direction of the chute, and by reciprocating, they can straighten and straighten the headed bar into the chute. Separate the rods one by one, and insert a component drop hole formed in the separation device main body with the grooves communicating at a predetermined position, and insert the head of the separated headed bar from both sides at the inner end above the drop hole. The two bar holders that engage and disengage and have a sloped part at the inner end are connected to a plate, the bar holder has an elastic body that constantly urges the plate toward the center of the drop hole, and the bar holder is attached to the slanted part of the plate. The bar receiver provided in the engaged state at the same time causes the plate pusher, the shaft stop pawl, the head stop pawl, the shaft separation pawl, and the head separation pawl to integrally reciprocate, and when operating in one direction, The bar holder pushes the plate, and in cooperation with the inclined part, the two bar holders move the plate in a direction away from the center of the drop hole against the elastic body, and the plunger compresses the plunger. The plunger is arranged in a cylinder to which air is supplied, and consists of an air cylinder that drives the plunger with compressed air, and has a unique effect.

DESCRIPTION OF EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

In FIG. 4, 6 is a sheet 8 of a large number of headed bars
This is a feeder for arranging them. Reference numeral 9 denotes a head guard for preventing the aligned headed bars 7 from floating up from the sheet 8. 1o is a separation/supply device that separates the aligned headed rods 7 one by one and sends them to a predetermined location using compressed air. Reference numeral 11 denotes a conveyance pipe for conveying the headed bar 7 separated by the separation and supply device 1o to a predetermined location. 1
Reference numeral 2 denotes an air pipe that communicates with the compressed air source at all times, 12A is an air pipe directly connected to the air pipe 12, and 13 is an air pipe connected to the air pipe 12 through a pulp 14 for constantly supplying compressed air.

Next, its operation will be explained.

First, when the pulp 14 is opened, the separating and supplying device 1o operates in one direction, separating one of the headed bars 7 on the chute 8, and injecting compressed air into the conveying pipe 11.
4 is closed, the separating and feeding device 10 operates in the opposite direction to drop the previously separated headed bar 7 into the conveying pipe 11. When the nokurupu 14 is opened and closed again, one of the headed bars 7 on the chute 8 is separated and dropped into the conveying pipe 11 in the same way as described above, but this time the headed bar 7 is moved into the conveying pipe 11. When compressed air is injected into the conveying pipe 11 before dropping it into the conveying pipe 11, the headed bar 7 that was previously dropped into the conveying pipe 11 is supplied to a predetermined location. By repeating this operation as described above, the headed bar 7 can be continuously sent to a predetermined location.

Next, the main parts of the separation and supply apparatus 10 shown in FIG. 4 will be explained in detail with reference to FIG. 6 and subsequent figures.

In FIG. 5, reference numeral 16 denotes the main body of the separating and feeding device 10, and there is a round hole 18 in which a granger 17 shown in FIG. Air holes 19, 20 are provided at both ends, and air pipe joints 21, 22 are screwed into the air pipes 12A and 13, respectively, so that the air pipes 12A and 13 are in communication with each other. The right end of the plunger 17 fitted into the round hole 18 of the main body 16 is connected to a cylinder head 23 fixed to the main body 16.
The plate 26 is opposite to the stopper 24 at the left end.
is fixed to the threaded portion 27 by a nut 26. A shutter 29 is fixed to the upper right side of the plate 26, as shown in FIG. A vertical hole 30 is provided in the shutter 29 at a position where the plunger 17 is at the right end and is aligned with the drop hole 16 of the main body 15.
The lower ends of the fingers 32 which alternately separate and communicate the chute 6 and the chute 8 are fixed. finger 32
In this case, the distance between the shaft stop claw 33 that receives the shaft of the headed bar 7, the head stop claw 34 that receives the head, and the shaft stop claw 33 is smaller than the diameter of the shaft of the headed bar 7. is large and forms a groove smaller than the diameter of the head, and the shaft part separating claw 35 is located above the shaft part separating claw 36, and the shaft part separating claw 35 is in contact with the shaft of the headed bar 7. At this time, a head separating claw 36 is provided which comes into contact with the head. Further, as shown in FIG. 7, the plunger 17 is formed with a step between a large diameter portion 38 and a small diameter portion 39, with which the ball 37 comes into elastic contact. Next, as shown in FIGS. 6 and 7, a hose joint 4 is attached to the lower end of the drop hole 16 of the main body 15.
0 are fitted together and fixed with a presser foot 41 and bolts 42. One end of the conveying pipe 11 is inserted into the lower end of the hose joint 40. Further, inside the hose joint 4Q, air holes 43 and 44 are provided in which the small diameter portion 42 with the slot 41 communicates with the air hole 20 of the main body 16. Air hole 4
A rod 45 is slidably fitted into the rod 4 . A spring 46 that always biases the rod 46 toward the plate 26 is attached to the right end of the rod 46, and a rod position adjustment bolt 47 is attached to the plate 25 at the left end. The inside communicates with the air hole 20. 46A in Figures 5 and 7,
48B is a spring; 49A and 49B are bars that engage and disengage the head of the headed bar 7 from both sides at the inner end above the drop hole 16, have a partially inclined inner end, and are engaged with the ball 37; The bone is a plate, and the springs 48A and 48B constantly fall into the hole 16.
is biased towards the center of the body 16 and is slidably provided within a groove 60 provided in the main body 16. A connector 61 connects the main body 15 and the chute 8, and is connected by a bolt 52.

Reference numeral 63 denotes a cover which is fixed to the main body 16 and has a bar frame to prevent the plates 49A and 49B from floating up. Next, the operation of this separation and supply device 10 will be explained. Figure 7 shows the main body 15
This shows a state in which the brush jar 17 in the round hole 18 has been moved to the right until its right end hits the stopper 24 due to the air pressure constantly applied to the left end face through the left end air hole 19 connected to the air pipe 12A. A shaft stop pawl 33 and a head stop pawl 34 provided on a finger 32 that moves together with the plunger 17 separate the chute 8 from the drop hole 16 of the main body 15, and stop the row of headed bars 7. As shown in FIG. 6, one headed bar 7 is falling into the conveying pipe 11 through the falling hole 16 of the main body 15, the vertical hole 30 of the shutter 29, and the inside of the hose joint 40, which are lined up in a straight line. Therefore, by opening the pulp 14 shown in FIG. 4, the plunger 17 in the round hole 18 of the main body 16 in FIG. The entire surface receives air pressure, and it moves to the left through the air hole 19 on the left end, overcoming the air pressure that is normally applied to the left end surface. Then, as the plunger 17 moves, the shutter 29 and finger 32 also move to the left. Thus the plunger 170
The pole 37 that was in elastic contact with the large diameter portion 38
and move to the small diameter section 39. Due to this movement of the pole 37, as shown in FIG.
Both grooves 5 are formed by the elastic force of springs 4aA and 48B.
0 inward and its tip protrudes above the drop hole 16. On the other hand, by moving the finger 32, this finger 3
There is only one headed bar 7 that was locked on the shaft part stop claw 33N of No. 2, the head stop claw 34, the shaft part separation claw 35, the head separation claw 3
6 from the aligned position on the cyst 8. The state is shown in FIG. Furthermore, finger 32 is the ninth
As it moves to the left in the figure, the headed bar 7 moves downward, and finally comes off the shaft stopper 33 and falls into the hole 1.
Move above 6. Above this drop hole 16, the headed bar 7 has its neck portion placed on the plates 49A, 49.
It is locked by the protruding end of B. When the plunger 17 comes to the leftmost position, the air holes 20 and 44.43 shown in FIG. It is sent through the transport pipe 11 to a predetermined location. Then, when the above-mentioned pulp 14 is closed, compressed air is sent only to the left air pipe 19, so the plunger 17 moves to the right, and the movement of the pole 37 causes the bar holder to release the springs on the plates 49A and 49B. 4sA and 48B, the bar holder slides outward against the elastic force of the plates 49A and 49B, so that the headed bar 7, which was held at the end of the plates 49A and 49B, falls into the drop hole 16 and falls again. The next cycle is started by moving the plunger 17 to the left. By repeating the above cycle, it is possible to continuously separate and supply the headed rods.

As described above, according to this embodiment, the shaft part stopping claw and the head stopping claw are provided to temporarily stop the shaft part and the head of the headed bar, respectively, and when separating the headed bars arranged in a line, By providing a shaft part separating claw and a head separating claw so that the shaft part and the head part are simultaneously contacted and separated, the head part can be used even if the head part is heavier than the shaft part, even if it is a bar with a seat, or a lightweight and small-sized bar with a head. You can reliably separate and feed without losing your posture.

Effects of the Invention As described above, the present invention has a relatively simple structure and can reliably separate and supply the headed bar without changing its posture, and has great effects.

[Brief explanation of drawings]

Figure 1 is a diagram of the main parts of the sheet section of the feeder in the conventional example, Figure 2 is an enlarged view of the main parts of the separation and feeding device of the conventional example, and Figure 3 is another diagram of the main part of the chute part of the feeder in the conventional example. , FIG. 4 is an overall schematic diagram of a feeder using a bar separation and feeding device with a head according to an embodiment of the present invention, FIG. 6 is a plan view of the bar separation and feeding device with a rotating head, and FIG. A-
7 is a sectional view taken along line A-B in FIG. 6, FIG. 8 is a sectional view taken along C-C#jl in FIG. 6, and FIG. 9 is a sectional view taken along line C-C#jl in FIG. 5. It is an enlarged view of the main part. 6...Feeder, 7...Bar with head,
8...Shade, 1o...Separation supply device, 16...Main body, 16...Drop hole,
17...Plunger, 33...Shaft stop claw, 34...Head stop claw, 36...
Shaft separation claw, 36...Head separation claw. Name of agent: Patent attorney Toshio Nakao and 1 other person No. 1
Figure @3 Figure 5 C Figure 6 4υ is Figure 7 Figure 8

Claims (1)

[Claims] a chute for suspending the heads of the headed bars and feeding the bars in alignment to the separating device main body; and a chute provided in the separating device main body so as to be able to come into contact with the shaft portion of the foremost headed bar. The distance between the provided shaft stopping claw, the head stopping claw provided so as to be able to come into contact with the head of the headed bar, and the shaft stopping claw is υ larger than the diameter of the shaft of the headed bar. and when the shaft separation claw forms a groove smaller than the diameter of the head and the shaft separation claw contacts the shaft of the headed bar, the shaft separation claw contacts the head of the headed bar. A possible head separation claw, the shaft stop claw, the head stop claw, the shaft separation claw,
The head separation claw is integrally aligned with the conveyance direction of the chute,
capable of reciprocating in a substantially perpendicular direction, and by reciprocating, the headed bars aligned in the chute are separated one by one;
A component drop hole formed in the separating device main body, with which the groove communicates at a predetermined position, and the head of the separated headed bar are engaged and disengaged from both sides at the inner end above the component drop hole, and The two bar bones with sloped ends form a plate, and the two bar bones constantly bias the plate toward the center of the component drop hole. The bar rib, which is provided in a state that is simultaneously engaged with the part, causes the plate pusher, the shaft part stopping pawl, the head stopping pawl, the shank separating pawl, and the head separating pawl to integrally reciprocate and move in one direction. At the same time, the rod ribs push the plate, and in cooperation with the inclined part, the two rod ribs move the plate in a direction away from the center of the drop hole against the elastic body, and compress the plunger. 1. An air cylinder arranged in a cylinder to which air is supplied, and for driving the plunger with compressed air.