KR20230079631A - Automatic clipping device for assembly of parts - Google Patents

Abstract

The present invention relates to an automatic clipping device for assembling parts. It is installed in the assembly line of the vehicle, and the clip providing part for supplying clips for fixing parts to be used in a row in a row; It is mounted on an assembly robot located on the side of the clip providing unit, receives clips from the clip providing unit in a state of being docked to the clip providing unit by the operation of the assembly robot, and clips the clips that are received one by one to discharge the parts. A clipper that performs is provided.
The automatic clipping device for assembling parts of the present invention configured as described above does not cause a delay in cycle time during operation, and since the remaining amount of the clip in the cartridge is always grasped, it is easy to control and has excellent operation precision.

Description

Automatic clipping device for assembling parts {AUTOMATIC CLIPPING DEVICE FOR ASSEMBLY OF PARTS}

The present invention relates to an automatic clipping device installed and operated in an assembly line of a vehicle, and more particularly, to an automatic clipping device for assembling parts that can quickly and accurately supply assembly clips to improve part assembly productivity. .

Plastic parts or parts of various shapes are mounted inside the vehicle. For example, an instrument panel, one of the interior parts, is mounted on the front of the driver's seat using a plurality of clips. In order to assemble the instrument panel, mounting holes corresponding to each other are formed in the vehicle body and the instrument panel. Mounting is carried out by inserting a clip into each hole in a state where the instrument panel is properly positioned on the vehicle body and the holes are aligned.

In the past, clipping operations for assembling parts were almost done manually. In other words, the worker did the repetitive work of checking the holes one by one and inserting the clips by hand. Assembling parts using clips itself requires a lot of physical force, takes a lot of time for assembly, and has problems of reducing productivity and increasing costs.

For this reason, a clipping device using a robot has been developed and used. For example, Patent Document 1 discloses an automatic clip assembling device in which a nut made of metal is sent to a parts feeder, the nut is sent to an assembly position by its own weight or air pressure in the parts feeder, and then assembled by a pneumatic cylinder.

In addition, the automatic clip mounter for vehicles of Patent Document 2 receives the nut supplied to the parts feeder as a magnet to the divided index-shaped plate, presses the nut in place with a pneumatic cylinder at the assembly position of the product, and assembles the servo It provides a configuration in which the index plate is rotated using a motor to place the nut back into place.

Korean Registered Patent Publication No. 10-1617240 Korean Registered Patent Publication No. 10-1859877

Recently, changing the material of a clip from a metal material to a plastic material is being reviewed for cost reduction and weight reduction. However, the above-mentioned conventional feeding-type clip mounter using dead weight or pneumatic pressure has limitations in arranging a clip made of light plastic at a designated position, unlike a metal clip, and thus the accuracy of the work is rapidly reduced. As a result, there is a disadvantage that leads to a decrease in productivity.

Therefore, the present invention has been created to solve the above problems, and can quickly and accurately supply assembly clips to improve part assembly productivity, does not cause cycle time delay, is easy to control, and has excellent operation precision. It is an object of the present invention to provide an automatic clipping device for assembling parts.

An automatic clipping device for assembling parts of the present invention as a means of solving the problems for achieving the above object is installed in an assembly line of a vehicle, and includes a clip providing unit for supplying clips for fixing parts to be used in a row; It is mounted on an assembly robot located on the side of the clip providing unit, receives and accommodates clips from the clip providing unit in a state of being docked to the clip providing unit by the operation of the assembly robot, and discharges the accommodated clip to the part. A clipper for performing clipping is provided.

In addition, the clip providing unit; A feeding slider that extends in a straight line in the longitudinal direction, feeds clips to be supplied in a row, and has an open downstream end, and a rising-and-detaching type installed at the downstream end of the feeding slider and blocking or opening the transport path of the clip. A stopper, a docking unit spaced apart from a downstream end of the feeding slider and in which the clipper to receive the clip is seated, and the stopper being separated from the transport path of the clip in a state in which the clipper is seated in the docking unit It includes a stopper operating unit and a transfer feeder for pushing and moving a clip waiting for the feeding slider to the clipper after the stopper is separated.

In addition, the clipper; Further comprising a clip cartridge positioned on a straight line with the feeding slider in a state seated on the docking unit, receiving and accommodating clips transported by the transfer feeder, and having a plurality of positioning pins protruding toward the docking unit. And, the docking unit; A support column providing a support force, a support block positioned at an upper end of the support column and supporting the clip cartridge, and a docking bracket fixed to the support block and providing a pin hole into which the positioning pin is inserted. .

In addition, the feeding slider has a long hole extending along the longitudinal direction of the feeding slider, and the delivery feeder is inserted into the long hole and moves along the longitudinal direction of the long hole and is loaded into the feeding slider It further includes a discharge pin for pushing and moving the clip to the clip cartridge, and a pin driving means for moving the discharge pin.

In addition, the clipper; A support structure mounted on the assembly robot and coupled to the clip cartridge, an extension barrel fixed to an end of the support structure and providing a straight passage through which the clip passes, and a clip inside the clip cartridge, the extension barrel It has a clip loading part for inserting into the straight passage of the extension barrel, and a shooting section for pushing the loaded clip into the straight passage of the extension barrel so that the clip is discharged through the front end of the extension barrel and pressed into an external clipping target hole.

In addition, the shooting unit; An air cylinder installed in the support structure, extending in the longitudinal direction, located coaxially with the straight passage of the extension barrel, reciprocating by the operation of the air cylinder and discharging the clip inside the extension barrel to the outside. Includes pushers.

In addition, the front end of the extension barrel is further provided with a tip interruption portion for preventing the clip accommodated in the straight passage of the extension barrel from falling out of the extension barrel due to the action of gravity.

And, the front end interrupted portion; A fixing ring which takes the shape of a disc and has a center hole through which a clip passes through the central portion, a plurality of spring holders fixed to one side of the fixing ring and symmetrical with respect to the center hole, and each spring holder and an elastic stopper that is elastically supported by the spring and protrudes toward the center hole and, when the clip is discharged by the pusher, passes through the clip and is pushed out of the center hole.

In addition, the clip loading unit; Upper and lower fixing plates fixed to the support structure and spaced apart from each other, side fixing plates mounted on sides of the upper and lower fixing plates, and lead screws having both ends rotatably installed on the upper and lower fixing plates, , a lead screw driving unit for pivoting the lead screw, a guide rail fixed to the side fixing plate and formed parallel to the lead screw, and engaged with the lead screw and supported by the guide rail, A driven body that moves up and down by shaft rotation, a horizontal cylinder installed on the driven body, and a reciprocating bracket that reciprocates in a direction perpendicular to the longitudinal direction of the lead screw by the horizontal cylinder, and is fixed to the reciprocating bracket, and a loading arm passing through the inside of the clip cartridge by the operation of the lead screw driver and the horizontal cylinder, and moving the clip inside the clip cartridge toward the straight passage of the extension barrel.

The automatic clipping device for assembling parts of the present invention made as described above may have the following effects.

First, because it is a method of inserting clips already filled in the cartridge one by one while waiting, there is almost no waiting time waiting for the clip, so there is no delay in cycle time.

Second, since the clip is supplied in a numerical control method using a servo motor, the remaining amount of the clip in the cartridge can always be grasped, so the control is easy and the maintenance of the equipment is good.

Third, the number of clips can be freely specified by changing the length of the cartridge within the stroke distance of the clipping unit, so there is no need for oversupply to shorten the cycle time, and thus there is no remaining clip, which is advantageous in terms of the process.

Fourth, it is free to select the target range because it is not restricted by the shape of the object to be assembled.

Fifth, since a method of directly supplying by mechanical contact is adopted instead of a method of supplying by pneumatic pressure or self-weight, the operation precision is excellent.

Sixth, regardless of the material or detailed shape, it can be applied not only to plastic materials, but also to the field of assembling clips made of existing metal materials or parts similar to clips.

Seventh, by configuring each part in a replacement method, it is possible to reduce costs when managing consumables according to their lifespan.

1 is a view showing the overall configuration of an automatic clipping device for assembling parts according to an embodiment of the present invention.
2 to 4 are perspective views separately showing the clipper of FIG. 1 .
5 is an exploded view showing the clipper of FIG. 2;
6 is an exploded perspective view of the extension barrel and clip cartridge shown in FIG. 5;
7 and 8 are views for explaining the configuration of the front end intermittent portion of FIG. 6 .
Figure 9 is a perspective view of the clip providing portion of Figure 1;
10 and 11 are views for explaining how the clip providing unit of FIG. 9 operates.
12 and 13 are views for explaining a clip supply method in an automatic clipping device for assembling parts according to an embodiment of the present invention.

Hereinafter, one embodiment according to the present invention will be described in more detail with reference to the accompanying drawings.

The automatic clipping device for assembling parts of the present invention is a device for inserting a clip used to fix a part to a vehicle body in a hole formed in the part (for fixing the part) during the vehicle assembly process. The above 'part' means, for example, a vehicle interior material including an instrument panel.

Parts are fixed to the body or other parts during the assembly process of a vehicle, and the fixing part used at this time is a clip. As long as the part can be fixed, the shape or material of the clip can be varied.

1 is a view showing the overall configuration of an automatic clipping device 10 for assembling parts according to an embodiment of the present invention, and FIGS. 2 to 4 are perspective views showing the clipper 30 of FIG. 1 separately. 5 is an exploded view of the clipper of FIG. 2, and FIG. 6 is an exploded perspective view of the extension barrel and the clip cartridge shown in FIG. And, Figures 7 and 8 are views for explaining the configuration of the front end intermittent portion of Figure 6.

As shown, the automatic clipping device 10 for assembling parts according to the present embodiment includes a clip providing unit 50 and a clipping unit 20. Both the clip providing unit 50 and the clipping unit 20 are installed in the vehicle assembly line.

The clip providing unit 50 serves to transport the clips 100 supplied from the outside and send them out in a row through the feeding slider 53. In addition, the clipping unit 20 plays a role in receiving the clip 100 from the clip providing unit 50 and driving it to a destination. The destination point means a hole through which a clip is inserted. In addition, the hole for inserting the clip is a hole previously formed in the part itself and the part to which the part is to be attached (such as a vehicle body). After aligning the hole of the part with the hole of the body, the clip is inserted.

The clip providing unit 50 includes a die 51 providing a horizontal surface, a hopper 52a, a slider 52b, a bowl feeder 52c, a transfer feeder 55, and a docking unit 57.

The hopper 52a serves to receive the clip injected from the outside and export it to the outside through the slider 52b.

The bowl feeder 52c collects the clips 100 that have fallen from the slider 52b once, applies vibration to the clips, and guides the clips 100 to the feeding slider 53. In the feeding slider 53, as shown in FIG. 12, clips 100 are accommodated in a row. The delivery feeder 55 functions to put the clip 100 waiting on the feeding slider 53 into the clip cartridge 36 in a docked state. In addition, the docking unit 57 serves to support the clip cartridge 36 so as to correspond to the end of the feeding slider 53 . A detailed description of the clip providing unit 50 having the above configuration will be described later.

The clipping unit 20 has a basic structure of the assembly robot 21 and the clipper 30 . The assembly robot 21 is an articulated robot and has a clipper 30 on the end arm 21a. The clipper 30 moves in three dimensions by the operation of the assembly robot 21, and reciprocates between the clip providing unit 50 and the part assembly point (the point where the clip is to be inserted).

The clipper 30 includes an arm coupling portion 33, a support structure 31, an extension barrel 38, a clip loading portion, and a shooting portion.

The arm coupling portion 33 is a portion to which the distal arm 21a of the assembly robot 21 is fixed. As long as the clipper 30 can be coupled to the distal arm 21a, the structure of the arm coupling portion 33 can vary as much as desired.

The support structure 31 is a member fixed to the arm coupling portion 33, and has an air cylinder 32 on the upper side and a first guide rail 32a on the lower side. The air cylinder 32 is operated by a control signal transmitted from the outside and makes the slider 32b reciprocate and rectilinearly move. The slider 32b is supported so as to be slidably movable on the first guide rail 32a and linearly moves along the first guide rail 32a when the air cylinder 32 operates.

In particular, a pusher 32e is fixed to the slider 32b. The pusher 32e is a round rod-shaped member extending in parallel with the first guide rail 32a, and is inserted into the guideway 37a of the adapter (reference numeral 37 in FIG. 6) in a fully retracted state in the direction of arrow a.

The pusher 32e constitutes a shooting unit together with the air cylinder 32 . The shooting part pushes the clip 100 loaded in the inlet part 38d of the straight passage 38c forward, so that the clip 100 is discharged through the front end of the extension barrel 38 and press-fitted into the external clipping target hole. do.

In addition, the front end of the support structure 31 is provided with an adapter fixing portion 32f (in this description, the direction in which the extension barrel 38 faces is referred to as the front). The adapter fixing portion 32f is a member for receiving and fixing the adapter 37.

As shown in Figs. 5 and 6, the adapter 37 is a hollow member in which an guide passage 37a is formed through the central axis. The pusher 32e, by the action of the air cylinder 32, can move forward by entering the straight passage 38c after passing through the guideway 37a.

The extension barrel 38 is a member fixed to the front end of the support structure 31 via an adapter 37, and includes a support plate 38a, a straight guider 38b, and a front end interrupted portion 39.

The support plate 38a is a flat plate-like member having a certain width, and supports the clip 100 advancing in the direction of arrow b (see FIG. 5).

The straight guider 38b is, so to speak, a part-cylindrical member having a straight passage 38c open to the bottom, and is fixed to the upper surface of the base plate 38a. By coupling the straight guider 38b and the support plate 38a, the clip 100 can pass through the straight passage 38c.

The tip intermittent portion 39 is fixed to the assembly of the straight guider 38b and the support plate 38a, that is, to the tip of the extension barrel 38, and the clip accommodated in the straight passage 38c is resistant to the action of gravity. It serves to prevent the extension barrel from falling forward. For example, when the extension barrel 38 faces vertically downward, the clip 100 inside the extension barrel 38 is prevented from falling downward. Of course, when the pusher 32e presses and moves the clip 100 in the direction of the arrow b, the clip 100 is passed through.

The tip intermittent portion 39 includes a fixed ring 39a and a tip ring 39m. The fixing ring 39a and the tip ring 39m are tightly fixed to the front end surface of the extension barrel 38 in an overlapped state.

The fixing ring 39a is a disk-shaped member having a certain thickness and diameter, and has a center hole 39b in the center. The center hole 39b is a through hole through which the clip 100 passes.

In addition, a spring holder 39d, a plate spring 39h, and an elastic stopper 39e are provided on one side of the fixing ring 39a (see FIG. 8). The spring holder 39d is a member fixed to the opposite side of the center hole 39b, and has a leaf spring 39h therein. The leaf spring 39h supports the elastic stopper 39e with one end fixed to the spring holder 39d.

The elastic stopper 39e is a member partially received in the spring holder 39d and elastically supported by the leaf spring 39h, and is provided with an inclined surface portion 39f. The inclined surface portion 39f is a portion protruding inward of the center hole 39b, and is caught on both sides of the clip 100 to prevent the clip 100 from being separated by gravity. However, when the clip 100 is forcibly discharged using the pusher 32e, the elastic stoppers 39e on both sides are pushed in the direction of the arrow d to pass the clip.

The tip ring 39m is a member that covers and protects the spring holder 39d and the elastic stopper 39e, and provides a discharge passage 39n through which the clip 100 exits.

On the other hand, as shown in FIG. 5, a clip cartridge 36 is installed between the base plate 38a and the adapter 37.

As shown in FIG. 6, the clip cartridge 36 provides an accommodation space 36c for accommodating a plurality of clips 100. The accommodating space 36c is a passage extending in a straight line. The clips 100 are pushed up in the direction of arrow f in the accommodating space 36c and loaded into the inlet 38d of the straight passage one by one. In addition, the accommodation space 36c is open to the side through the open slit 36a. The open slit 36a passes the loading arm 34p and guides the linear motion of the loading arm 34p.

In addition, two positioning pins 36e are provided on the opposite side of the open slit 36a. The positioning pins 36e are protrusions arranged side by side, and are inserted into the pin holes 57h of the docking unit 57 to position the feeding slider 53 and the clip cartridge 36 in a straight line.

The clip loading unit 34 is a device that moves the loading arm 34p in the direction of arrow f. The reason for moving in the direction of arrow f is to cause the loading arm 34p to lift the clips 100 accommodated inside the clip cartridge 36 one by one to the inlet portion of the straight passage (38d in Fig. 6). .

3 and 4, the clip loading unit 34 includes upper and lower fixing plates 34b and 34c, a side fixing plate 34a, a lead screw 34j, a lead screw driver, and a second guide rail 34d. , a driven body 34k, a horizontal cylinder 34s, a reciprocating bracket 34n, a loading arm 34p, a lower sensor 34q, an upper sensor 34r, and a sensing member 34L.

The upper fixing plate 34b, the side fixing plate 34a, and the lower fixing plate 34c are plate-like members fixed to the supporting structure 31, and the upper and lower fixing plates 34b and 34c are spaced parallel to each other.

The lead screw 34j is a round rod-shaped part having threads formed on its outer circumferential surface, and its upper and lower ends are rotatably supported by the upper fixing plate 34b and the lower fixing plate 34c.

The lead screw driver rotates the lead screw 34j and includes a servo motor 34e, a drive pulley 34f, a transmission belt 34g, and a driven pulley 34h. The servo motor 34e rotates the drive pulley 34f by a control signal transmitted from the outside. The driven pulley 34h is a pulley fixed to the lower end of the lead screw 34j, and receives the rotational force of the servo motor 34e through the driving pulley 34f and the transmission belt 34g.

In addition, the second guide rail 34d is fixed to the side fixing plate 34a. The second guide rail 34d is installed parallel to the lead screw 34j and guides the lifting motion of the follower body 34k.

The follower body 34k is a nut-shaped member engaged with the lead screw 34j, and has a sensing target member 34L and a travel slider 34m on its side. The sensing target member 34L is a plate-shaped member having a bent shape, and is a sensing target that is sensed by the lower sensor 34q and the upper sensor 34r.

The traveling slider 34m is slidably installed on the second guide rail 34d. The follower body 34k and the traveling slider 34m move up and down by the axial rotation of the lead screw 34j.

The lower sensor 34q and the upper sensor 34r define the top dead center and bottom dead center of the follower body 34k. That is, when the sensed member 34L is detected by the upper sensor 34r, the follower body 34k has reached the top dead center, and when the lower sensor 34q has detected, the follower body 34k has reached the bottom dead center. will be.

The top dead center is the height of the loading arm 34p when the last clip inside the clip cartridge 36 is placed on the extension barrel 38, and the bottom dead center is the height when the loading arm 34p is pulled out of the clip cartridge 36. is the height when

The horizontal cylinder 34s is a pneumatic actuator fixed on the opposite side of the travel slider 34m, and causes the reciprocating bracket 34n to reciprocate horizontally, that is, to move the reciprocating bracket 34n in the direction of the arrow m and in the opposite direction.

The loading arm 34p, as a part installed on the top of the reciprocating bracket 34n, rises while being partially inserted into the clip cartridge 36, and pushes the clip 100 upward. That is, the clips 100 are supplied to the inlet portion 38d of the extension barrel 38 one by one. It goes without saying that the position adjustment of the loading arm 34p is performed by the horizontal cylinder 34s and the servo motor 34e. Depending on the embodiment, a spring (not shown) may be applied between the loading arm 34p and the upper end of the reciprocating bracket 34n.

9 is a perspective view of the clip providing unit 50 of FIG. 1, and FIGS. 10 and 11 are views for explaining how the clip providing unit operates.

As shown, the clip providing unit 50 includes a hopper 52a, a slider 52b, a bowl feeder 52c, a feeding slider 53, a stopper 57e, and a docking It includes a unit 57, a stopper operation part, and a delivery feeder 55.

The hopper 52a receives the clip injected from the outside and sends it to the slider 52b. The slider 52b is an inclined plate and guides the clips discharged from the hopper 52a to the bowl feeder 52c. The bowl feeder 52c generates vibration to transfer the clip to the feeding slider 52b.

The feeding slider 53 extends in the longitudinal direction and provides a passage having a certain width as a straight member with both ends open. The width of the passage provided by the feeding slider 53 corresponds to the width of the clip. Accordingly, the clips 100 entering the feeding slider 53 from the bowl feeder 52c are lined up in a row as shown in FIG. 10 . The clip in the feeding slider 53 is movable by receiving the vibration energy of the bowl feeder 52c.

A long hole 53c is formed on the bottom surface of the downstream side of the feeding slider 53. The width of the long hole (53c) is narrower than the width of the clip (100). The long hole 53c extends along the longitudinal direction of the feeding slider 53 and accommodates the discharge pin 55k elevated in the direction of arrow p. The discharge pin 55k horizontally moves downstream of the feeding slider 53 in a state of being inserted into the long hole 53c, and drives the clip 100 into the waiting clip cartridge 36 (see Fig. 13).

The stopper 57e is installed at the downstream end of the feeding slider 53, and blocks or opens the transport path of the clip. That is, the downstream end of the feeding slider 53, that is, the outlet, is closed until a set number of clips are gathered in the feeding slider 53, and is opened when the set number is gathered. The reason for opening is that the clip 100 needs to be moved to the clip cartridge 36. The above 'set number' is a predetermined number in consideration of the volume size of the clip cartridge 36 .

The stopper 57e is operated by the stopper operating portion to open or block the outlet (downstream end) of the feeding slider 53. The stopper operating portion has a lift cylinder 57b vertically fixed to the side surface of the support column 57a, and a lift plate 57d lifted by the lift cylinder 57b. The stopper 57e is fixed to the upper part of the lift plate 57d, and when the lift plate 57d is lowered, the stopper 57e is lowered to open the end of the feeding slider 53, and when the lift plate 57d is raised, the stopper 57e is lowered. (57e) is raised and the end of the feeding slider (53) is blocked.

The docking unit 57 is spaced apart from the downstream end of the feeding slider 53 and supports the clip cartridge 36 of the clipper. The docking unit 57 includes a support column 57a, a support block 57f, and a docking bracket 57g.

The support column 57a is a structure vertically fixed to the upper surface of the die 51 . The support block 57f is mounted on the upper end of the support column 57a and faces the bottom of the clip cartridge 36. In addition, the docking bracket (57g), as a member fixed to the upper portion of the support block (57f), provides two pin holes (57h). The pin hole 57h is a hole into which the positioning pin 36e of the clip cartridge 36 is inserted. As described above, by inserting the locating pin 36e into the pin hole 57h, the feeding slider 53 and the clip cartridge 36 are positioned in a straight line.

On the other hand, the delivery feeder 55 pushes the clip 100 waiting for the feeding slider 53 to the clip cartridge 36 after the stopper 57e is lowered, and the discharge pin 55k and the pin drive have the means

The pin driving means serves to move the discharge pin 55k. The pin driving means includes a support 55a, a first cylinder 55c, a horizontal transfer block 55d, a second cylinder 55f, a vertical transfer block 55g, and a horizontal extension bracket 55h.

The support 55a is a columnar member fixed to the upper surface of the die 51 . The first cylinder 55c is horizontally fixed to one side of the support 55a and reciprocates the horizontal transfer block 55d in a horizontal direction. The second cylinder 55f is vertically fixed to one side of the horizontal transfer block 55d and lifts the vertical transfer block 55g.

The horizontal extension bracket 55h is a member extending to the lower part of the feeding slider 53 while being fixed to the side of the vertical transfer block 55g, and has a discharge pin 55k at an extended end.

The discharge pin 55k is located at the bottom of the long hole 53c of the feeding slider 53, and rises in the direction of the arrow p (see FIG. 10) by the operation of the second cylinder 55f, and the first cylinder 55c By the operation of the horizontal movement in the arrow q direction (see Fig. 10), the clip 100 is delivered to the clip cartridge (36).

12 and 13 are views for explaining a clip supply method in an automatic clipping device for assembling parts according to an embodiment of the present invention. 12 is a state when the clip cartridge 36 approaches the docking unit 57, and FIG. 13 is a state in which the attachment to the docking unit 57 is completed.

As shown in FIG. 12, if the clip 100 supplied to the clip cartridge 36 is exhausted, in order to refill the clip 100, the docking unit ( 57). At this time, the loading arm 34p is pulled as far as possible in the direction opposite to the direction of the arrow m in FIG. 3 . The movement of the clipper 30 is naturally performed by the assembly robot 21 .

Just before the clip cartridge 36 reaches the downstream end of the feeding slider 53, the stopper 57e is pulled downward. When the clip cartridge 36 is further fed and the positioning pin 36e is inserted into the pin hole 57h, as shown in FIG. 13, the feeding slider 53 and the clip cartridge 36 are positioned in a straight line. .

Subsequently, after the discharge pin 55k is raised into the long hole 53c and moved in the direction of arrow q in FIG. 10, the clip 100 in the feeding slider 53 is passed over to the clip cartridge 36.

When the delivery of the clip 100 to the clip cartridge 36 is completed, the clip cartridge 36 is separated and the loading arm 34p is moved in the direction of the arrow m at the same time, so that the clip 100 is removed from the clip cartridge 36. Continue the clipping work by supporting it so that it does not fall to the bottom.

In the above, the present invention has been described in detail through specific embodiments, but the present invention is not limited to the above embodiments, and various modifications are possible by those skilled in the art within the scope of the technical idea of the present invention.

10: clipping device 20: clipping unit 21: assembly robot
21a: End arm 30: Clipper 31: Support structure
32: air cylinder 32a: first guide rail 32b: slider
32e: pusher 32f: adapter fixing part 34: clip loading part
34a: side fixing plate 34b: upper fixing plate 34c: lower fixing plate
34d: second guide rail 34e: servo motor 34f: drive pulley
34g: transmission belt 34h: driven pulley 34j: lead screw
34k: follower body 34L: sensed member 34m: travel slider
34n: reciprocating bracket 34p: loading arm 34q: lower sensor
34r: upper sensor 34s: horizontal cylinder 36: clip cartridge
36a: open slit 36c: accommodating space 36e: regular position
37 adapter 37a guideway 38 extension barrel
38a: support plate 38b: straight guider 38c: straight passage
38d: inlet portion 39: tip intermittent portion 39a: fixed ring
39b: center hole 39d: spring holder 39e: elastic stopper
39f: slope portion 39h: plate spring 39m: tip ring
39n: discharge passage 50: clip providing part 51: die
52a: Hopper 52b: Slider 52c: Bowl Feeder
53: feeding slider 53c: long hole 55: delivery feeder
55a: support 55c: first cylinder 55d: horizontal transfer block
55f: second cylinder 55g: vertical transfer block 55h: horizontal extension bracket
55k: discharge pin 57: docking unit 57a: support column
57b: lifting cylinder 57d: lifting plate 57e: stopper
57f: support block 57g: docking bracket 59h: pin hole

Claims (9)

A clip providing unit installed on an assembly line of a vehicle and supplying clips for fixing parts to be used in a row;
It is mounted on an assembly robot located on the side of the clip providing unit, receives and accommodates clips from the clip providing unit in a state of being docked to the clip providing unit by the operation of the assembly robot, and discharges the accommodated clip to the part. Equipped with a clipper for performing clipping,
Automatic clipping device for assembly of parts. According to claim 1,
The clip providing unit;
A feeding slider that extends in a straight line in the longitudinal direction, feeds clips to be supplied in a row, and has an open downstream end;
A protruding and retracting stopper installed at a downstream end of the feeding slider and blocking or opening the transfer path of the clip;
a docking unit disposed at a downstream end of the feeding slider and in which the clipper receiving the clip is seated;
A stopper operating unit for separating the stopper from the transport path of the clip in a state in which the clipper is seated in the docking unit;
After separation of the stopper, a delivery feeder for pushing and moving the clip waiting on the feeding slider to the clipper,
Automatic clipping device for assembly of parts. According to claim 2,
The clipper;
Further comprising a clip cartridge positioned on a straight line with the feeding slider in a state seated on the docking unit, receiving and accommodating clips transported by the transfer feeder, and having a plurality of positioning pins protruding toward the docking unit. do,
The docking unit;
A support column providing a support force, a support block positioned at an upper end of the support column and supporting the clip cartridge, and a docking bracket fixed to the support block and providing a pin hole into which the positioning pin is inserted. ,
Automatic clipping device for assembly of parts. According to claim 2,
The feeding slider has a long hole extending along the longitudinal direction of the feeding slider,
The delivery feeder includes a discharge pin that moves along the longitudinal direction of the long hole while being inserted into the long hole and pushes the clip loaded in the feeding slider to the clip cartridge, and a pin driving means that moves the discharge pin. Including more,
Automatic clipping device for assembly of parts. According to claim 3,
The clipper;
a support structure mounted on the assembly robot and engaged with the clip cartridge;
An extension barrel fixed to an end of the support structure and providing a straight passage through which the clip passes;
a clip loading portion for inserting a clip inside the clip cartridge into a straight passage of the extension barrel;
Having a shooting unit that pushes the clip loaded into the straight passage of the extension barrel so that the clip is discharged through the front end of the extension barrel and pressed into an external clipping target hole.
Automatic clipping device for assembly of parts. According to claim 5,
the shooting unit;
An air cylinder installed on the support structure;
A pusher extending in the longitudinal direction, located coaxially with the straight passage of the extension barrel, reciprocating by the operation of the air cylinder and discharging the clip inside the extension barrel to the outside,
Automatic clipping device for assembly of parts. According to claim 6,
At the tip of the extension barrel,
Further provided with a tip interruption portion for preventing the clip accommodated in the straight passage of the extension barrel from falling out of the extension barrel by the action of gravity,
Automatic clipping device for assembly of parts. According to claim 7,
The front end intermittent portion;
A fixing ring that takes the shape of a disc and has a center hole through which a clip passes through the central portion;
A plurality of spring holders fixed to one side of the fixing ring and symmetrical with respect to the center hole;
A spring fixed to each spring holder;
An elastic stopper that is elastically supported by the spring and protrudes toward the center hole, and when the clip is discharged by the pusher, passes through the clip and is pushed out of the center hole.
Automatic clipping device for assembly of parts. According to claim 5,
The clip loading unit;
An upper fixing plate and a lower fixing plate fixed to the support structure and spaced apart from each other;
Side fixing plates mounted on the sides of the upper fixing plate and the lower fixing plate;
A lead screw having both ends rotatably installed on the upper and lower fixing plates;
a lead screw driver for axially rotating the lead screw;
A guide rail fixed to the side fixing plate and formed parallel to the lead screw;
A follower body engaged with the lead screw, supported by the guide rail, and moved up and down by axial rotation of the lead screw;
A horizontal cylinder installed on the driven body;
a reciprocating bracket reciprocating in a direction perpendicular to the longitudinal direction of the lead screw by the horizontal cylinder;
A loading arm fixed to the reciprocating bracket, passing through the inside of the clip cartridge by the operation of the lead screw driver and the horizontal cylinder, and moving the clip inside the clip cartridge toward the straight passage of the extension barrel. ,
Automatic clipping device for assembly of parts.

Images