KR20130064213A - Automatic rivet feeding apparatus - Google Patents

Abstract

PURPOSE: An apparatus for automatically feeding rivets for coupling a sheet frame for a vehicle with a rail is provided to align multiple vibration feeders and distributors in order to adjust the feeding number of the rivets or separately feed the rivets having different sizes and shapes, thereby improving work efficiency. CONSTITUTION: An apparatus for automatically feeding rivets for coupling a sheet frame for a vehicle with a rail includes a vibration feeder(10), a distributor(20), a rivet feeding hose, a rivet feeding part(50), and a moving up/down actuating part(60). The vibration feeder sequentially feeds the rivets, which are fed inside a hopper(11), along a feeding guide groove(12) in a longitudinally aligned row. The distributor sequentially distributes at least one rivet sequentially fed to the feeding guide groove of the vibration feeder. The rivet feeding hose transfers the rivets sequentially distributed and fed from the distributor. The rivet feeding part has a mounting support groove on which the rivets are mounted and supported, and feeds the rivets with elastically spreading the left-right divided lower side of a tongs body with a hinge shaft as the center. The moving up/down actuating part moves up and down the tongs body on the bored assembling holes of the sheet frame and the rail on the sheet frame using an actuating cylinder.

Description

Automatic Rivet Feeding Apparatus for Riding Seat Frame Rail for Automobiles

The present invention relates to a rivet automatic supply device for automatically supplying a rivet for coupling the rail for guiding the front and rear movement of a seat frame for a vehicle, and more particularly, a distributor for dispensing and supplying a rivet lined and supplied by a vibration feeder, The rivets distributed by the distributor are supplied to the rivet supply unit by air pressure from the supply hose, and are supplied to the seating support grooves of the left and right divided tongs bodies, while the rivet supply unit is lifted up and down by the elevating operation unit. The rivets supported in the seating support grooves of the tweezers are automatically inserted into the seat holes of the seat frame and rails to be assembled to the assembly hole of the car seat frame. Relates to a device.

In general, a car seat is used to adjust the seat position forward and backward according to the user.

This is the seat frame of the vehicle seat is moved back and forth by the rail structure.

In this way, the assembly of the seat frame and rail for automobile is mainly produced by the rivet coupling method.

That is, the prior art for assembling the seat frame and the rail is seated on the jig while supplying the seat frame and the rail to the jig on the table upper part intermittently rotated at an angle of 90 degrees, and the table is intermittently rotated at an angle of 90 degrees. After the ricket is inserted into the assembly hole of the seat frame and the rail, the rivet is pressed and the riveting assembly of the seat frame and the rail is performed.

At this time, since the operation of inserting and supplying the rivet into the assembly hole of the seat frame and the rail is conventionally supplied and assembled by manual operation or semi-automatic assembly, the problem of poor manufacturing productivity and workability and the accuracy of the work are reduced, resulting in high work failure rate. There was a problem.

The present invention has been invented to solve the above-mentioned problems of the prior art, a dispenser for dispensing and supplying the rivets arranged in a row by the vibration feeder, the rivets dispensed and supplied by the dispenser by means of air pressure in the supply hose It is supplied to the supply part and supplied to the seating support grooves of the left and right divided tongs body, but the rivet supply part is raised and lowered by the lifting and lowering operation part, and the rivets supplied and supported to the seating support grooves of the tongs body are opened by the bullet opening of the tongs body. The purpose is to provide an excellent manufacturing productivity and workability because it is provided to be assembled and automatically inserted into the assembly hole of the seat frame and rail for automobiles.

The present invention is to provide a plurality of the vibrating feeder and distributor to align the number of rivets to adjust the number of supplies or to separate and supply the rivets of different sizes or shapes to further increase the work efficiency.

The object of the present invention is to provide an excellent operation safety and reliability by providing a lifting and lowering operation to check the supply of the rivet to the tong body of the rivet supply unit by the sensing sensor unit.

The present invention distributes and supplies at least one or more rivets sequentially supplied to the guiding grooves of the rivets supplied in the hopper in a vertically aligned state along the supply guide grooves, and the rivets sequentially supplied to the supply guide grooves of the vibration feeder. The distributor and the rivet supply hose for feeding and supplying the rivets are sequentially supplied from the distributor, and coupled to the rivet supply hose axially coupled to the left and right of the central connector connected to the hinge shaft, the inner lower portion of the tongs body A rivet supply unit for dropping and supplying the rivet supported in the seating support groove by installing a seating support groove for seating and supporting the rivet fed from the rivet supply hose to the lower portion of the left and right divided tongs body about the hinge axis; The lever of the seat frame by operating the tongs body of the rivet supply unit That the work-elevating operation by assemblers upper perforated to have characterized as composed of an elevating work.

The vibration feeder and the distributor are characterized in that at least one or more parallel installation to adjust the number of rivet supply or to separate and supply the rivets of different sizes or shapes.

The dispenser includes a cam block having a single seating groove that sequentially supports and supports rivets sequentially supplied from a vacuum supply, and a movable block coupled to the guide groove so that the cam block can move back and forth and the movable block to the left and right. The moving cylinder and the cam pin behind the cam block are retracted by the inclined portion on one side of the cam guide groove so that the rivets seated and supplied to the seating groove of the cam block by the retraction operation of the cam block are discharged from the discharge groove of the moving block and the lower portion of the moving block. It is characterized in that it consists of a cam operating portion for supplying drop through the discharge hole of the block.

The dispenser is provided with two guide grooves in the front-rear direction from side to side in a moving block moving from side to side by a moving cylinder, and a cam having a seating groove for seating and supporting rivets sequentially supplied from a vacuum supply to the guide groove. Each of the blocks is installed to be moved back and forth, and the cam pins at the rear of the cam block are guided back and forth alternately from left and right by the inclined portions on both sides of the cam guide grooves. It is characterized in that it consists of a cam operating portion for supplying the left and right alternately through the discharge grooves on both sides of the moving block and the discharge holes on both sides of the discharge block below the moving block.

The dispenser is provided with at least three guide grooves in the front-rear direction from side to side in a moving block moving from side to side by a moving cylinder, and a seating groove for mounting and supporting rivets sequentially supplied from a vacuum supply to the guide groove. Each of the cam blocks is installed so as to be movable back and forth, and the rear side of the cam block is connected to an operation cylinder for simultaneously retracting the cam block, so that the rivet seated and supplied to the seating groove of the cam block by the retraction operation of the cam block is moved. It is characterized in that it is configured to simultaneously supply through the discharge hole and the discharge block one side of the discharge block of the bottom of the moving block.

The upper inlet of the rivet supply hose is characterized in that the air supply means is connected to the rivet supply to the rivet supply by supplying a drop rivet supplied to the supply hose by air pressure.

The elevating operation part of the present invention is characterized by configuring a rivet detection sensor for controlling the operation cylinder by detecting the supply of the rivet to the forceps body at the rear of the forceps body of the rivet supply unit.

The present invention is a distributor for dispensing and supplying the rivets lined by a vibrating feeder, the rivets distributed by the dispenser is transferred to the rivet supply by the air supply from the supply hose to the rivet supply unit seating support groove of the left and right divided tongs body The rivet supply unit is supported by the elevating operation unit, while the rivet supply unit is lifted up and down by the elevating operation unit, the rivets supported by the mounting support groove of the tongs body are automatically inserted into the assembly hole of the seat frame and the rail of the car by the open force of the tongs assembly. Since the rivets are automatically supplied to the assembling holes of the seat frame and the rail for automobiles, continuous automatic assembly work is possible, and thus the manufacturing productivity and workability are excellent, and the assembly failure rate is also significantly superior to the conventional art.

In addition, the vibration feeder and the distributor are arranged in plural to adjust the number of rivet supply or separate and supply the different size or shape of the rivet to further increase the work efficiency, as well as whether to supply the rivet to the tong body of the rivet supply unit After confirming by the sensing sensor unit, the lifting and lowering operation unit is provided to operate to have an effect of providing excellent operation safety and reliability.

1 is a plan view showing the overall configuration of the present invention.
2 is a front view showing the overall configuration of the present invention.
Figure 3 is a side view showing the overall configuration of the present invention.
Figure 4 is a perspective view showing one embodiment of the present invention dispenser.
Fig. 5 is a plan view of Fig. 4; Fig.
6 is an exploded perspective view of the main portion of FIG. 4.
7 is an essential part operation of FIG.
8 is a plan view showing another embodiment of the present invention dispenser.
9 is an operation of FIG. 8.
10 is a plan view showing another embodiment of the present invention dispenser.
FIG. 11 is a front view of FIG. 10; FIG.
12 is an essential part operation of FIG. 10;
Figure 13 is a perspective view showing the present invention rivet supply.
14 is a front view of FIG. 13;
Figure 15 is a front view of the main portion showing the operation of the forceps body of Figure 13;
16 is a perspective view showing a rivet detection sensor of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

According to the present invention, the seat frame 2 and the rail 3 are seated and installed in a jig, and the seat frame 2 and the rivet 5 are inserted into the assembling holes of the rail 3 to press-fit each other. A rivet automatic feeder for automatically supplying the rivet 5 to the assembling hole of the rail and the rail, as shown in FIGS. 1 to 16.

That is, the present invention is a vibration feeder 10 for sequentially supplying the rivets (5) supplied in the hopper 11 in a line up and down in a constant alignment state along the supply guide groove 12,

A distributor 20 for distributing and supplying at least one rivet 5 sequentially supplied to the supply guide groove of the vibration feeder;

A rivet supply hose 40 which feeds and supplies the rivets 5 which are sequentially distributed and supplied from the distributor 20,

A shaft coupling part 51 and 51 'divided left and right by hinge shafts 53 and 53 on the left and right of the central connector 55 connected to the rivet supply hose, the rivet supply hose to the inner lower portion of the tong body Installing a seating support groove 52 for supporting the rivet (5) to be supplied and supplied in the lower portion of the left and right divided tongs body (51, 51 ') of the hinge shaft (53, 53) centered open A rivet supply unit 50 which is operated to drop supply the rivet 5 supported by the seating support groove, and the tong body of the rivet supply unit is drilled to the rail 3 of the seat frame 2 by the operation cylinder 61. It consists of a lifting operation unit 60 for lifting and lowering operation to the assembly hole.

The vibrating feeder 10 and the distributor 20 may be installed to adjust the number of rivets by installing the singular or plural in parallel, or to separate and supply rivets of different sizes or shapes.

In addition, the distributor 20 is configured in a different form in the case of dispensing and supplying one of the rivets 5, and in the case of dispensing and supplying at least two or more.

In the case of dispensing and supplying one rivet, as shown in FIG. 1, the cam block 110 having a single seating groove 112 for seating and supporting the rivet 5 sequentially supplied from the vacuum supplier 10 and the The cam block is guided by a moving block 120 coupled to the guide groove 122 so as to move back and forth, a moving cylinder 130 for moving the moving block 120 left and right, and a cam pin 115 behind the cam block. The revetment is guided by the inclined portion 142 on one side of the groove 141, and the rivet supplied to the seating groove of the cam block by the retraction operation of the cam block is discharged from the discharge groove 123 of the moving block 120 and the lower portion of the moving block. It consists of a cam operating part 140 for supplying drop through the discharge hole 126 of the block (125).

At this time, the moving block 120 is configured to guide the left and right to move constantly by a separate rail structure.

In addition, in the case of distributing and supplying two rivets, as shown in FIG. And each of the cam blocks 110 and 110 ′ having the seating grooves 112 for seating and supporting the rivets 5 sequentially supplied from the vacuum supplier 10 to the guide grooves so as to be movable back and forth, The cam pin 115 behind the cam block is guided back and forth alternately from left and right by the inclined portions 142 and 142 'on both sides of the cam guide groove 141, and is supplied to the seating groove of the cam block by the retraction operation of the cam block. Cam operating unit for supplying the left and right rivets alternately left and right through the discharge grooves 123 and 123 of the moving block 120 and the discharge holes 126 and 126 of the discharge block 125 below the moving block ( 140).

In addition, in the case of distributing and supplying three or more rivets, guide grooves 122, 122, 122 in the front and rear directions are provided in the moving block 120 moving left and right by the moving cylinder 130 as shown in FIG. A cam block 110, 110 ', 110 having at least three or more left and right seating grooves 112 for seating and supporting the rivets 5 sequentially supplied from the vacuum feeder 10 to the guide grooves. ") Respectively installed so as to be movable back and forth, the cam block 110 is connected to the rear of the cam block 110, 110, 110 by connecting the operation cylinder 150 for simultaneously retracting the cam block by the retraction operation of the cam block. The rivets seated and supplied to the mounting grooves 110, 110 ′ and 110 ″ of the discharge grooves 123, 123 and 123 of the movable block 120 and the discharge blocks 125 at one side of the discharge block 125 below the movable block 120. It is configured to simultaneously drop feed through the (126), 126, and 126.

In addition, the upper inlet of the rivet supply hose 40 is connected to the air supply means is configured to transfer and supply the rivet supplied to the supply hose to the rivet supply unit 50 by the air pressure.

In addition, the lifting and lowering operation unit 60 is a rivet for detecting the supply of the rivet (5) to the tong body to the rear of the forceps body 51, 51 'of the rivet supply unit to operate the operation cylinder 61 to control the operation The detection sensor part 65 is comprised.

At this time, the rivet detection sensor 65 may be set by moving the front and rear position by the front and rear cylinder 66 of course.

As the reference numeral, 45 is a pneumatic inlet, 54 is a bullet spring is inserted between the upper left and right tongs body 51 (51 ') of the rivet supply portion, 67 is a sensor sensor, 124 is a cover block coupled to the upper portion of the moving block, Reference numeral 128 denotes a rail for guiding the moving block and 140 denotes a cam fixed block.

Hereinafter, the operation and operation of the present invention will be described.

First, the seat frame (2) and the rail (3) is supplied to the jig not shown in the up and down state, and the rivets are automatically supplied to the seat frame and the assembly hole of the rail to squeeze the rivets (5). will be.

The rivet supply process will be described in more detail. The rivets 5 introduced into the hopper 11 of the vibration feeder 10 provided in the singular or plural form are moved up and down along the supply guide groove 12 by the vibration of the vibration feeder. It is supplied in a constant alignment state, that is, the head of the rivet is aligned in order to face upward.

The rivets 5 supplied as described above are distributed by the distributor 20.

At this time, the vibration feeder 10 and the distributor 20 is to be installed in parallel in a single or plural in accordance with the number of rivet supply, or to be installed in a plurality in parallel in the case of separately supplying the size or shape of the rivet.

In addition, the distributor 20 is to adopt and use a form of dispensing and supplying one, two or three or more rivets as necessary.

That is, when one rivet is to be distributed as shown in FIG. 7, the rivets 5 sequentially supplied along the supply guide grooves 12 of the vibration feeder are mounted on the mounting grooves 112 of the cam block 110. When seated and supplied, the cam block 110 is moved to one side by the moving cylinder 130 together with the moving block 120.

At this time, the cam pin 115 behind the cam block 110 is guided to the cam guide groove 141, while the cam block 110 is inclined guided to the inclined portion 142 on one side of the cam guide groove. The retreat moves along the guide groove 122 of the 120.

The rivet 5 seated and supplied to the mounting groove 112 of the cam block is caught by the discharge groove 123 of the mobile block while the cam block 110 moves backward to discharge the discharge groove and the discharge block 125. Falling down through the ball 126 is to be distributed to the rivet supply hose (40).

In addition, when distributing two rivets as shown in FIG. 9, the rivets 5 sequentially supplied along the supply guide grooves 12 of the vibration feeder are seating grooves 112 of the left cam block 110. When seated and supplied, the left cam block 110 is moved to the left side by the moving cylinder 130 together with the moving block 120.

At this time, the cam pin 115 behind the left cam block 110 is guided to the cam guide groove 141. The cam block 110 is moved while being inclined to the inclined portion 142 on the left side of the cam guide groove. The retreat moves along the guide groove 122 of the 120.

In addition, the left cam block 110 moves backwards so that the rivet 5 seated and supplied to the mounting groove 112 of the cam block is caught by the discharge groove 123 of the moving block. The drop through the left discharge hole 126 is to be distributed to the rivet supply hose (40).

At this time, the right cam block 110 ′ positioned on the right side of the moving block 120 is positioned in the supply guide groove 12 of the vibration feeder, and the rivet 5 is disposed in the seating groove 112 of the right cam block 110. This seating is supplied.

As the moving cylinder 130 moves to the right side, the left cam block 110 moves forward in the retracted state. On the contrary, the right cam block 110 ′ is inclined 142 on the right side of the cam guide groove as described above. ') And the rivet 5 seated and supplied to the seating groove of the cam block is inclined to the seating groove of the cam block to catch the discharge hole 126 of the discharge groove and the discharge block 125. Dropped through the bottom is to be distributed to the rivet supply hose (40) (40).

In this way, the rivets 5 are alternately supplied to the two rivet supply hoses 40 and 40 by the left and right cam blocks 110 and 110 ′.

12, at least three cam blocks 110, 110 ′ and 110 ′ are assembled to the moving block 130 to distribute three or more rivets. The rivets 5 are seated and supplied to the seating grooves 112 of the cam blocks 110, 110 ′, 110 ″ while the movable blocks 120 are moved.

Then, the moving block 120 is moved to one side by the moving cylinder 130 so that the rivet 5 seated in the seating groove of each cam block 110, 110 ′, 110 ″ of the moving block is discharged. One side of the outlet (126) (126) is positioned to be located above the 126, 126.

In this state, each cam block 110, 110 ′, 110 ″ of the mobile block is moved backward by the rear operation cylinder 150 from the guide grooves 122, 122, 122 of the mobile block. The three rivets 5 seated and supplied to the seating grooves of the cam blocks 110, 110 ′ and 110 ″ by the discharge grooves 123, 123, 123 and the moving block of the movable block 120. At the same time through the discharge block 125, one side discharge hole 126, 126, 126 of the lower drop is to be distributed to the rivet supply hose (40) (40) (40).

In this way, the rivet 5 distributed and supplied to each rivet supply hose 40 transfers and supplies the rivet 5 to the rivet supply unit 50 by the air pressure of the air supply means connected to the upper inlet of the rivet supply hose.

That is, the rivet 5 is transported to be seated and supported in the seating support groove 52 of the inner lower portion of the tong body 51, 51 'divided left and right through the guide port 55 connected to the rivet supply hose.

As described above, the rivet 5 is transferred to the tong body of each rivet supply unit 50 by the detection sensor 67 of the rivet detection sensor unit 65.

When the rivets 5 are supplied to the tong bodies 51 and 51 ′ of each rivet supply unit 50 in this way, the rivet supply unit 50 is lowered by the lowering operation of the operation cylinder 61 to allow the rivets 5 to be lowered. The rivets 5 supplied to the tongs bodies 51 and 51 'are inserted into the assembly holes drilled into the seat frame 2 and the rails 3.

And the lower part of the forceps body 51, 51 'of each of the rivet supply unit 50 is opened to the outside centering on the hinge shafts 53, 53 connected to both sides of the central connector 55, the forceps body 51 The rivet 5 seated in the seating support groove 52 of the 51 'is inserted into the seat frame 2 and the rail 3 into the assembly holes drilled.

At this time, the operation of spreading the lower portion of the tong body 51, 51 'of each of the rivet supply units 50 outwardly about both of the hinge shafts 53 and 53 may be performed by separate operating means. The lower end of the body (51) (51 ') is in contact with the upper end of the seat frame (2) and the rail (3) can be configured in a variety of ways to perform the opening and closing operation.

As such, when the automatic supply of the rivet is completed, the rivet supply unit 50 is returned to its original position by the operation cylinder 61.

By this operation, the rivet 5 is automatically supplied to the assembly hole of the seat frame 2 and the rail 3, and then the rivet is compressed to assemble the seat frame 2 and the rail 3 to each other.

5: rivet 10: vibration supply
11: Hopper 12: supply guide
20: distributor 40: rivet supply hose
50: rivet supply 51,51 ': tong body
52: seating support groove 53: hinge shaft
61: operation cylinder 60: lifting operation
110, 110 ', 110 ": Camblock
112: seating groove 120: moving block
122: guide groove 130: moving cylinder
115: cam pin 141: cam guide groove
142, 142 ': slope
123: discharge groove 126: discharge hole
140: cam operating part 150: operating cylinder
65: rivet detection sensor unit

Claims (8)

In the rivet automatic feeder for seating and mounting the vehicle seat frame (2) and the rail (3) to the jig, inserting the rivet (5) into the assembly hole of the seat frame (2) and the rail (3) and press-fit ,
Vibration feeder 10 for sequentially supplying the rivets (5) supplied in the hopper 11 in a vertical alignment in a row along the supply guide groove 12, and
A distributor 20 for distributing and supplying at least one rivet 5 sequentially supplied to the supply guide groove of the vibration feeder;
A rivet supply hose 40 which feeds and supplies the rivets 5 which are sequentially distributed and supplied from the distributor 20,
A shaft coupling part 51, 51 'left and right divided by hinge shafts 53 and 53 on the left and right of the central connector 55 connected to the rivet supply hose, the rivet supply hose to the inner lower portion of the tong body Installing a seating support groove 52 for supporting the rivet (5) to be supplied and supplied in the lower portion of the left and right divided tongs body (51, 51 ') of the hinge shaft (53, 53) centered open A rivet supply unit 50 which is operated to drop supply the rivet 5 supported by the seating support groove, and the tong body of the rivet supply unit is drilled to the rail 3 of the seat frame 2 by the operation cylinder 61. Rivet automatic feeder for seat frame rail coupling for automobiles, characterized in that consisting of the elevating operation unit 60 to operate the elevating operation to the upper assembly. The method of claim 1,
The vibration feeder 10 and the distributor 20 is installed at least one or more parallel rivet automatic supply apparatus for a seat frame rail coupling for a vehicle, characterized in that made to adjust the number of rivet supply. The method of claim 1,
The vibration feeder (10) and the distributor (20) is at least one or more parallel mounting rivet automatic supply apparatus for a car seat frame rail, characterized in that made to separate and supply the rivets of different sizes or shapes. The method of claim 1,
The distributor 20 has a cam block 110 having a single seating groove 112 for sequentially seating and supporting the rivets 5 sequentially supplied from the vacuum supplier 10, and a guide groove for allowing the cam block to move back and forth. The inclined portion 142 of the moving block 120 coupled to the moving block 120, the moving cylinder 130 moving the moving block 120 left and right, and the cam pin 115 at the rear of the cam block are cam guide grooves 141. The rivet guided by the retractor to be seated and supplied to the seating groove of the cam block by the retraction operation of the cam block is discharged from the discharge groove 123 of the mobile block 120 and the discharge hole 126 of the discharge block 125 below the moving block. Rivet automatic supply device for a seat frame rail coupling for a vehicle, characterized in that consisting of a cam operating unit 140 for supplying drop through. The method of claim 1,
The distributor 20 is provided with two guide grooves 122 and 122 in the front and rear directions in the moving block 120 moving left and right by the moving cylinder 130, and the vacuum supply 10 in the guide groove. Cam blocks 110 and 110 ′, which have seating grooves 112 that sequentially support and support the rivets 5 sequentially supplied from each other, are installed to move forward and backward, respectively, wherein the cam pins 115 behind the cam blocks are cams. The inclined portions 142 and 142 'of both sides of the guide groove 141 are retracted alternately from left and right to discharge the rivets, which are supplied and placed in the seating grooves of the cam block by the retraction operation of the cam block, on both sides of the movable block 120. An automobile comprising a cam operating part 140 which is alternately supplied to the left and right through the grooves 123 and 123 and the both side discharge holes 126 and 126 of the discharge block 125 below the moving block. Rivet automatic feeder for seat frame rail joining. The method of claim 1,
The distributor 20 is provided with at least three guide grooves 122, 122, 122 in the front and rear direction in the moving block 120 to move left and right by the moving cylinder 130, the guide groove Cam blocks 110, 110 'and 110 ", each having a seating groove 112 for seating and supporting the rivets 5 sequentially supplied from the vacuum supplier 10, are installed so as to be movable back and forth, respectively. Cam blocks 110, 110 'and 110 " are connected to the retracting operation of the cam blocks by connecting operation cylinders 150 for simultaneously retracting the cam blocks at the rear of the blocks 110, 110' and 110 ". The rivets seated in the seating grooves of the movable blocks 120 through the discharge grooves 123, 123 and 123 of the movable block 120 and the discharge blocks 125 and the discharge holes 126 and 126 and 126 below the movable blocks. Rivet automatic feeder for seat frame rail coupling for automobiles, characterized in that configured to drop supply at the same time. The method of claim 1,
An air supply means is connected to the upper inlet of the rivet supply hose 40, and the seat frame rail coupling for automobiles is characterized in that the rivets drop-supplied to the supply hose are transported to the rivet supply unit 50 by air pressure. Rivet automatic feeder. The method of claim 1,
The lifting and lowering operation part 60 has a rivet detection sensor for operating and controlling the operation cylinder 61 by detecting whether the rivet 5 is supplied to the forceps body at the rear of the forceps bodies 51 and 51 'of the rivet supply unit. Rivet automatic supply device for a seat frame rail coupling for a vehicle, characterized in that the section 65 is configured.

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