KR101672585B1 - inserting method of rivet - Google Patents

Abstract

The present invention relates to a riveting method of inserting a rivet into a cavity of both ends of a pipe-type rod by sounding a rivet to sound the rivet, wherein the riveting method comprises a mounting plate (211) in which a pipe-shaped rod is seated; Aligning the tubular rod (10) to the center of the support frame (210); A rivet assembling step of assembling rivets (11) to both ends of the pipe-shaped rods (10) aligned in the aligning step; A rivet punching step in which the rivet 11 is inserted into the inside of the pipe-shaped rod 10 by applying pressure to the rivets 11 assembled to both ends of the pipe-shaped rod 10 in the rivet- The present invention automates the riveting process for riveting the rivets by sounding the rivets at both ends of the pipe rod at both ends thereof, thereby improving workability and productivity as well as lowering the defective rate of the products, There is a remarkable effect of heightening.

Description

Inserting method of rivet}

The present invention relates to a riveting method, and more particularly, to a riveting method in which a rivet is press-fitted into both ends of a pipe-shaped rod, and a rivet is sounded in the hollows at both ends of the rod.

According to the prior art registration number registration No. 10-1252037 (component supply device of the automatic component inserting device), the component supplying device of the automatic component inserting device includes a stud or rivet The present invention relates to an automatic apparatus for supplying parts such as studs and rivets to a machine for automatically inserting parts and introduces an automation concept into the entire process from loading of the chassis to unloading of the chassis after inserting the studs, It is possible to improve the accuracy and speed of the stud supply and to completely eliminate the problems such as the assembly failure and the like so that the efficiency of the stud feeding process is improved The present invention provides a component feeder for an automatic component inserter capable of improving the quality of a component There is.

As another prior art, according to Registered Patent Registration No. 10-1312445 (automatic feeding device for rivet automatic joining seat frame rail for automobile), the automatic rivet feeding device for joining seat frame rails for automobiles has a structure in which a vehicle seat frame The present invention relates to a rivet automatic feeding apparatus for automatically feeding a rivet for joining moving guiding rails, more particularly, to a distributor for distributing and supplying rivets arranged in a line by a vibrating feeder, The rivet supply unit is moved up and down by the lifting and lowering operation unit, and the rivet is supported and supplied to the seating support groove of the claw body by the air pressure from the hose to the rivet supply unit, Automatic insertion of seat frame and rails into automobile assembly frame It is possible to provide continuous automatic assembly work by automatically feeding rivet to the assembly frame of automobile seat frame and rail, so that it is excellent in manufacturing productivity and workability, and has a characteristic that the assembly defect rate is remarkably superior to the conventional one .

However, the method of press-fitting the rivet into the pipe-type rod by using the conventional apparatus as described above has a problem that workability and productivity are poor, and there arises a problem that an assembling failure or a product failure occurs due to an operator's mistake.

Accordingly, the present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to improve the workability and productivity by automating the riveting process in which the rivets are tightened by sounding the rivets at both ends of the pipe- And to provide a riveting method for lowering a defective rate and improving the quality of a product.

The present invention relates to a rivet press-in method, and more particularly to a rivet press-in method in which a rivet is tightened by sounding a rivet at both ends of a pipe-shaped rod, A seating step in which the pipe rod is seated on the seating plate 211 provided inside the frame 210; Aligning the tubular rod (10) to the center of the support frame (210); A rivet assembling step of assembling rivets (11) to both ends of the pipe-shaped rods (10) aligned in the aligning step; A rivet punching step in which the rivet 11 is inserted into the inside of the pipe rod 10 by applying pressure to the rivet 11 which is assembled to both ends of the pipe rod 10 in the rivet assembling step .

Accordingly, it is an object of the present invention to automate a riveting process for riveting a rivet by sounding a rivet at both ends of a pipe rod at both ends thereof, thereby improving the workability and productivity as well as reducing the defect rate of the product, It is effective.

1 is a perspective view of a rivet press-in apparatus used in the present invention
2 is a side view of the rivet press-fitting device used in the present invention
FIG. 3 is a photograph of the mounting plate and the up-down transfer plate of the rivet press-in apparatus used in the present invention
FIG. 4 is a cross-sectional view of the alignment part of the rivet press-
Fig. 5 is a view showing the alignment part of the rivet press-fitting device used in the present invention and the operation image of the rivet-
Fig. 6 is a view showing a rivet supply cylinder photograph of the rivet joint portion used in the present invention
Figure 7 is a photograph of the operation of the riveting cylinder of Figure 6
Figure 8 is an enlarged view of the rivet feed cylinder of Figure 6;
Figure 9 is another enlarged view of the rivet feed cylinder of Figure 6
Fig. 10 is a photograph showing a rivet distributor of a rivet joint portion of a rivet press-in apparatus used in the present invention
Fig. 11 is a cross-sectional view of the rivet fitting portion of the rivet-
12 is a view showing a hammer portion of a rivet press-
13 is a photograph showing an operation picture of the hammer part of FIG.
Fig. 14 is a plan view of the inspection portion and the length measuring portion of the rivet press-fitting apparatus used in the present invention
Fig. 15 is a plan view of the inspection section of Fig. 14
16 is a view showing the operation of the length measuring unit and the frame of the discharge frame used in the present invention
17 is an enlarged view of the rising and falling plate of Fig. 16
Fig. 18 is a side view of the pipe-type rod knurling apparatus used in the present invention
19 is a perspective view of a pipe rod rodeling device used in the present invention
FIG. 20 is a side view of a load box of the pipe rod nuting apparatus used in the present invention
Fig. 21 is an enlarged view of the load box of the pipe rod nuting apparatus used in the present invention
22 is an enlarged view of the base plate of Fig. 20
23 is a view showing a first knurling machine photograph of a pipe rod knurling device used in the present invention
Figure 24 is a photograph of the motion of the guide rod of the primary knurling machine of Figure 22
25 is a view showing a first push cylinder photograph of the pipe rod rodeling device used in the present invention
Fig. 26 is an operational photograph of the primary push cylinder of Fig. 25
27 is a view showing a pitch conveyor photograph of the pipe rod nuting apparatus used in the present invention
28 is a photograph showing the operation of the pitch conveyor of Fig. 27
29 is an enlarged view of the pitch plate and the pitch conveyor used in the present invention
30 is a sectional view of the rotating cylinder of the pipe rod nuting apparatus used in the present invention
31 is a photograph showing the operation of the rotating cylinder of Fig. 30
32 is a view showing the finger gripper and quality confirmation portion of the pipe rod-
33 is an enlarged photograph of the quality confirmation part of Fig. 32
Fig. 34 is a flowchart showing the operation of the quality confirmation unit of Fig. 32

The present invention relates to a riveting method of inserting a rivet into a cavity of both ends of a pipe-type rod by sounding a rivet to sound the rivet, wherein the riveting method comprises a mounting plate (211) in which a pipe-shaped rod is seated; Aligning the tubular rod (10) to the center of the support frame (210); A rivet assembling step of assembling rivets (11) to both ends of the pipe-shaped rods (10) aligned in the aligning step; A rivet punching step in which the rivet 11 is inserted into the inside of the pipe rod 10 by applying pressure to the rivet 11 which is assembled to both ends of the pipe rod 10 in the rivet assembling step .

After the rivet punching step, it is checked whether or not the rivet 11 is inserted into the pipe rod 10 by the rivet punching step, and the length of the inserted pipe rod 10 after the inspecting step And a length measuring step of determining a defective product by checking the length of the defective product.

In addition, the pipe-type rod 10 is transferred to each step by the up-down transfer plate 220, and the mounting plate 211 on which the rod is mounted is in the form of a rectangular plate, And a plurality of mounting grooves 212 are formed at predetermined intervals on the inner surface of the mounting plate 211. An up-down transfer plate 220 is installed in parallel with the mounting plate 211 on the inner side of the mounting plate 211, A plurality of V-grooves 221 are formed at a predetermined interval on the upper surface of the mounting plate 211, and the up-down transfer plate 220 is moved up and down in the forward direction, Shaped rod 10 which is seated in the seating groove 212 to the next seating groove 212.

BRIEF DESCRIPTION OF THE DRAWINGS FIG.

FIG. 1 is a perspective view of a rivet press-in apparatus used in the present invention, FIG. 2 is a side view of a rivet press-in apparatus used in the present invention, FIG. 3 is a side view of a riveting press- FIG. 4 is a view showing an alignment part and a rivet joint part of the rivet presser device used in the present invention, FIG. 5 is a photograph of the operation part of the rivet presser device and the rivet joint part used in the present invention, and FIG. Fig. 7 is a photograph of the operation of the rivet feed cylinder of Fig. 6, Fig. 8 is an enlarged view of the rivet feed cylinder of Fig. 6, Fig. 9 is another enlarged view of the rivet feed cylinder of Fig. Fig. 11 is a photograph of the rivet press-fitting part of the rivet press-fitting device used in the present invention, Fig. 12 is a view of the rivet press-fitting device used in the present invention Fig. 13 is a photograph of the operation of the hammer part of Fig. 12, Fig. 14 is a plane photograph of the inspection part and length measuring part of the rivet press-fitting device used in the present invention, Fig. Fig. 17 is an enlarged view of the lifting plate of Fig. 16, Fig. 18 is a side view of the pipe rod nuting apparatus used in the present invention, and Fig. 19 is a view Fig. 20 is a side view photograph of the loading rod of the pipe rod-knurling device used in the present invention, Fig. 21 is an enlarged view of the loading box of the pipe-type rod knurling device used in the present invention, Fig. 23 is a photograph of the primary knurling machine of the pipe-type rod knurling apparatus used in the present invention, Fig. 24 is a photograph of the operation of the guide rod of the primary knurling machine of Fig. 22, Fig. Pipe Fig. 26 is a photograph of the operation of the primary push cylinder in Fig. 25, Fig. 27 is a photograph of the pitch conveyor of the pipe rod knurling device used in the present invention, Fig. 28 is a view of the pitch conveyor of Fig. Fig. 29 is an enlarged view of the pitch plate and the pitch conveyor used in the present invention, Fig. 30 is a sectional view of the rotating cylinder of the pipe rod nuting apparatus used in the present invention, Fig. 31 is a sectional view Fig. 32 is a photograph of the finger gripper and quality confirmation portion of the pipe rod nuting apparatus of the present invention, Fig. 33 is an enlarged photograph of the quality confirmation portion of Fig. 32, and Fig. 34 is a photograph of the operation of the quality confirmation portion of Fig.

The rivet press-in apparatus used in the present invention presses a rivet into both ends of a pipe-type rod, and rivets are tightened by sounding a rivet at both ends of the rod at both ends thereof, (210); A seating plate 211 coupled longitudinally to both inner sides of the support frame 210; An up-down transfer plate 220 installed in the longitudinal direction of the inside of the seating plate 211 for conveying the pipe-type rod 10, a support frame 210 installed at both sides of the support frame 210, An alignment part 230 installed in an intersecting direction to align the pipe-shaped rod 10 in the middle; A rivet joint part 240 for joining the rivets 11 to both ends of the pipe-shaped rod 10 aligned in the aligning part 230; The rivet 11 is pressed by the rivet gluing part 240 to the ends of both ends of the pipe rod 10 so that the rivet 11 can be reliably inserted into the pipe rod 10, (250).

An inspection part 260 installed in a direction crossing the support frame 210 to check whether the rivet 11 is inserted into the pipe rod 10 by the hammer part 250, And a length measuring unit 270 for identifying a defective product by checking the length of the pipe rod 10 in which the rivet 11 is inserted.

The seating plate 211 is formed in a rectangular plate shape and a plurality of seating grooves 212 are formed on the upper surface of the seating plate 211 at a predetermined interval. A plurality of V-grooves 221 are formed on the upper surface of the up-down transfer plate 220 at a predetermined interval, and the up-down transfer plate 220 ) Moves up and down in the forward direction and moves downwardly and retreats repeatedly to transport the pipe rod (10) seated in the seating groove (212) of the seating plate (211) to the next seating groove (212) .

The rivet press-in apparatus used in the present invention includes a support frame, an attachment plate which is longitudinally coupled to the inside of the support frame in the longitudinal direction, an up-down conveying plate installed longitudinally inside the installation plate, A plurality of rivets provided on both sides of the support frame and arranged in a direction crossing the support frame to align the pipe rods in the middle, And a hammering unit for applying pressure to the rivet assembled at both ends of the rod by the rivet gluing part so that the rivet is securely inserted into the inside of the pipe-like rod, And checking the length of the pipe-type rod into which the rivets are inserted at both ends, And a length measuring unit for discriminating the distance.

As shown in FIG. 3, a seating plate is fixedly coupled to the inner side of the support frame in the longitudinal direction, and the seating plate is in the form of a rectangular plate. On the upper surface of the seating plate, seating grooves are spaced apart from each other And a pipe-shaped rod is seated in the seating groove.

'형상으로 형성되며, 상부면에는 다수개의 브이홈이 일정간격 이격되어 형성된다.On the other hand, an up-down transfer plate is installed in the longitudinal direction inside the seating plate,

And a plurality of V-grooves are formed on the upper surface at a predetermined interval.

In other words, a seating plate is coupled to each inner side of the support frame, and an up-down transfer plate is provided inside the seating plate in parallel with the seating plate.

In addition, the up-down transfer plate is installed on the inner side of the seating plate, but is disposed below the seating plate, and the seating groove of the seating plate and the V-groove of the up-down transfer plate are disposed to correspond to each other.

In addition, the up-down transfer plate moves up and down in all directions, moves downward and retracts (moves backward) repeatedly to transfer the rod for a pipe seated in the seating groove of the seating plate to the next seating groove.

That is, as shown in FIGS. 3 and 4, the pipe rod is seated in the seating groove of the seating plate. When the up-down transfer plate is lifted, the rod for the pipe is seated in the V-groove of the up-down transfer plate, When the transfer plate moves downward after moving in all directions, the pipe rod is transferred to the next settling groove.

Then, the up-down transfer plate is retreated to be positioned at its original position, and is moved up and down, moved in all directions, moved downward, and retreated (moved in the rearward direction) repeatedly to transport the pipe rod.

As this process is repeated, the pipe rods are transported forward one by one.

On the other hand, the mounting plate coupled to one side of the support frame and the one side of the support frame is disposed at the side (the direction of travel of the pipe rod is movable forward, and one side of the support frame and the seating plate coupled to the inside thereof are moved, The width of the frame is adjusted.

In other words, the user can easily adjust the width of the support frame according to the length of the pipe rod, and also can mount the pipe rod having a short length on the support frame.

As shown in FIG. 2, a spacer is attached to a side surface of the support frame, a shaft coupled to the spacer is installed in a width direction of the support frame, a screw surface is formed on an outer circumferential surface of the shaft, And a screw hole is formed in the inner circumferential surface of the hole of the support frame through which the shaft passes. When the interval adjusting handle is rotated clockwise or counterclockwise, one side of the support frame is moved to the right or left, Or become narrower.

On the other hand, the rod for pipes to be transported by the up-down transfer plate is aligned with the center of the support frame by the alignment portion provided on both sides of the support frame.

As shown in FIG. 4, the alignment unit is composed of left and right alignment cylinders installed on both sides of the support frame so as to face each other.

The left sorting cylinder is located on the left side of the pipe rod, the right sorting cylinder is located on the right side of the pipe rod, the pipe rod is located therebetween, and as the left and right sorting cylinders are stretched, So that the ends of the rod for the pipe are impacted at both ends thereof.

That is, the left-aligning cylinder presses the left end of the pipe rod, the right-aligning cylinder pushes the right end of the pipe rod, and the left and right aligning cylinders simultaneously operate. It is located.

On the other hand, the rod for pipes arranged at the center of the support frame by the alignment portion is riveted to both ends by the rivet gathers.

The rivet gathers are provided on opposite sides of the support frame so as to face each other, and are installed in directions intersecting with the support frame, and each of the rivets is inserted into both ends of the pipe rod.

The rivet cooperating parts are provided on left and right rivet supplying cylinders provided on both sides of the support frame so as to face each other, and rivets are arranged on the sides of the left and right rivet supplying cylinders, A left and right rivet distributor for supplying the cylinder to the cylinder, and a push cylinder installed on the upper side of the support frame for pressing the rod for pipes to be transported between the left and right rivet supply cylinders from above.

The left and right rivet supply cylinders have the same structure and are installed to face each other with a pipe rod therebetween. For convenience of explanation, the left and right rivet supply cylinders will be described by taking a right rivet supply cylinder as an example.

6 and 7, the right rivet feed chamber leader includes a fixed plate fixedly mounted on a side of a support frame, a body mounted on an upper surface of the fixed plate and raised and lowered by a cylinder, A pair of front and rear plates which are mounted on the front and rear plates, respectively, and which are moved in both directions by a cylinder, a rotation plate coupled to the front and rear plates, (The direction in which the rod for the pipe advances is forward)

As shown in Figs. 8 and 9, the pivoting plate is rotated 90 degrees to grip the rivets coupled to the end of the pivoting plate and to insert the gripped rivets into the ends of the rod for pipes, Is pivoted to the lower side when gripping the rivet and is turned toward the support frame when the gripped rivet is inserted into the end of the rod.

Further, when the gripper grips the rivet, the body descends, the gripper grasps the rivet while the front and rear plates are retracted, the body rises, and the front and rear plates are advanced to insert the rivet into the end of the rod will be.

On the other hand, a push cylinder is provided on the upper side of the support frame, and the push cylinder is installed between the left and right rivet supply cylinders which are installed to face each other.

As the push cylinder is vertically installed on the support frame, the end of the push cylinder presses the pipe rod from the upper side to the lower side due to the expansion and contraction of the push cylinder. This is because when the pipe rod is impacted by the rivet supply cylinder , So that it is maintained in a state of being seated in the seating groove of the seating plate without being released to the outside.

Left and right rivet distributors provided respectively on the side surfaces of the left and right rivet supply cylinders are provided in the same configuration. For convenience of explanation, the left and right rivet distributors will be described by taking a right rivet distributor as an example.

The right rivet distributor comprises a rotating frame formed in a cylindrical shape with an open upper part and a space part formed therein and having a plurality of rivets, a waiting frame in which the rivets transferred from the rotating frame are aligned in the same direction, And a push cylinder installed on the side of the standby frame for pushing the rivets arranged in the waiting frame sequentially one by one into the lower portion of the right rivet supply cylinder.

The rotary frame has a cylindrical shape. The inner wall surface has a step formed in the circumferential direction. The step is formed so that when the rotary frame is rotated in the clockwise direction, the rivet located at the lower portion of the rotary frame acts as a step do.

The rivet may be disposed such that a head portion of the rivet is engaged with the engaging portion so that the head portion faces the inside of the rotary frame. It can be transferred to the standby frame.

The rivets whose head portion of the rivet is not arranged inward of the rotating frame are again discharged to the inside of the rotary frame through the discharge port coupled to the outside of the engaging portion.

Meanwhile, the pipe rod having the rivets assembled at both ends thereof by the rivet gluing part is completely assembled by the hammer part. The hammer part is installed on both sides of the support frame so as to face each other, Direction to press the riveted rivet at both ends of the rod for the pipe so that the rivets are constrained to the ends at both ends of the rod for the pipe.

As shown in Figs. 12 and 13, on both sides of the support frame, the left hammer cylinder and the right hammer cylinder face each other, and a pipe rod is positioned therebetween.

And the left and right hammer cylinders are simultaneously expanded and contracted in the inward direction of the support frame, so that the end portions of the left and right hammer cylinders are impacted on both ends of the pipe rod.

Accordingly, the rivets inserted at the ends of the rod are sound-tightened by interference fit in the direction of the pipe rod.

The diameters of the left and right hammer cylinder end portions are formed to be larger than the diameter of the pipe-shaped rod, so that the rivet assembled at both ends of the pipe-shaped rod can be stably inserted.

On the other hand, the pipe-type rod in which the rivet is completely inserted by the hammer part is transferred to the inspection part, and the inspection part confirms whether or not the rivet is inserted into the both ends of the pipe-type rod.

The inspection unit includes left and right test cylinders provided opposite to each other on opposite sides of the support frame and installed in a direction intersecting with the support frame, and a pipe disposed on the upper side of the support frame and positioned between the left and right test cylinders And a push cylinder that presses the rod from above.

In other words, as shown in Figs. 14 and 15, on both sides of the support frame, the left inspection cylinder and the right inspection cylinder face each other, and a pipe rod is positioned therebetween.

And the left and right test cylinders are simultaneously expanded and contracted in the inward direction of the support frame so that the end portions of the left and right hammer cylinders are inserted into the hollows at both ends of the pipe rod, It is confirmed whether or not the rivet is inserted.

The diameters of the left and right test cylinder end portions are formed to be smaller than the inner diameter of the pipe type rod so that the left and right test cylinder end portions are easily inserted into the inner circumferential surface of the pipe type rod.

On the other hand, when the length of the pipe-shaped rod is longer or shorter than the reference value, the pipe-type rod having the rivet inserted into both ends of the pipe- And if it is equal to the reference value, it is discharged to the discharge cylinder.

As shown in FIG. 15, the length measuring unit is composed of left and right length measuring cylinders which are installed on both sides of the support frame so as to face each other, and which are installed in a direction crossing the support frame.

  The left and right length measuring cylinders are simultaneously expanded and contracted in the direction of the inside of the support frame. Sensors are attached to the ends of the left and right length measuring cylinders to measure the lengths of both ends of the pipe rod.

When the length of the pipe rod is the same as the reference value, the pipe rod is discharged to the discharge cylinder, and a pair of discharge plates are coupled to the front of the support frame so that the pipe rod can be easily transferred to the discharge cylinder.

The upper surface of the discharge plate is formed to have a lower slope in the discharge tube direction so that the rod for the pipe seated on the discharge plate is introduced into the discharge cylinder along the slope of the discharge plate.

That is, in the present invention, the up-down transfer plate is moved up and down in the forward direction to move backward (move backward) repeatedly to transport the pipe rod. The pipe rod is placed on the upper surface of the discharge plate, and then the pipe rod flows into the discharge cylinder along the inclined surface of the discharge plate.

On the other hand, if the length of the pipe-shaped rod is longer or shorter than the reference value, it is determined to be a defective product and discharged to the receptacle.

'형상으로 형성되며, 전단부의 상부면이 경사지게 형성된다.As shown in FIG. 17, on the upper surface of the support frame, a lifting plate descending and lifting by a cylinder is provided, and a vertical section of the lifting plate is'

', And the upper surface of the front end portion is formed to be inclined.

Wherein the lifting plate is raised or lowered when the length of the pipe-shaped rod is longer or shorter than the reference value, the rod is lifted up to the upper portion of the lifting plate, and the rod is lowered to the lower portion of the lifting plate along the slope of the lifting plate, A receptacle is disposed below the elevating and lowering plate, and the defective rod is discharged to a receptacle.

In the meantime, prior to the riveting method of the present invention, the pipe-type rod knurling process will be described with reference to Figs. 18 to 34. Fig.

The pipe rod nuting apparatus 100 includes a body frame 110, a loading box 120 installed on the body frame 110 and having a pipe rod 10 mounted therein, A pitch conveyor 130 provided on the inner side of the pitch conveyor 130 for conveying the pipe rod 10 discharged from the loading box 120 and a pipe conveyor 130 installed on the side of the pitch conveyor 130, A primary pushing cylinder 140 which is installed at a position facing the primary knocking run 140 and pushes the pipe rod 10 toward the primary knurling runner 140, 150).

A second nulling ring 170 is provided on the side of the first nulling ring 140 and the second nulling ring 170 is installed on the side of the pitch conveyor 130, The second end of the pipe rod 10 is knurled by a knurling process of the pipe rod 10 at the position facing the secondary knurling leg 140, A second push cylinder 180 for pushing the pipe rod 10 by 180 degrees is provided between the first knurling gate 140 and the second knurling gate 170, 160 are installed.

The pivoting cylinder 160 is installed on the upper surface of the body frame. The pivoting cylinder 160 includes a casing 161 fixed to the body frame 110, A lifting plate 162 coupled to the lifting plate 162 for lifting and lowering the lifting plate 162; a lifting plate 162 coupled to the lifting plate 162 to move up and down together with the lifting plate 162; And a rotating support table 163 on which the driving motor 10 is mounted and which is rotated by the driving motor.

The pipe-type rod knurring device used in the present invention is a pipe-type rod knurling device that forms serrated irregularities at an end of an outer peripheral surface of a pipe-type rod, the pipe-type rod knurring device comprising a body frame, A pitch conveyor installed on the inside of the body frame for discharging the pipe-shaped rod discharged from the loading box, a primary conveyor installed on the side of the pitch conveyor for knurling one end of the pipe- And a primary push cylinder which is installed at a position opposite to the primary knurling and pushes the pipe type rod to the study side by the primary knurling.

The second nulling ring is installed on the side of the first nulling ring, and the second nulling ring is installed on a side surface of the pitch conveyor. The first end of the pipe- A second push cylinder for pushing the pipe type rod to the work side by the secondary knurling is provided at a position where the secondary knurring is opposed to the work, A rotating cylinder for rotating the rod at 180 degrees is provided.

In addition, the pipe-type rod whose both ends are knurled by the primary nulling and the secondary nulling is transferred to the quality checker by the ringer gripper to check whether there is a defect.

21, a loading box is installed on the upper part of the body frame, the loading box is formed in a rectangular box shape, and a space is formed therein to load a pipe rod, So that the pipe-shaped rods loaded in the pallet are rolled downward along the inclined surfaces.

The bottom of the inclined surface is formed with a discharge port through which the rod is discharged. A bottom plate is horizontally installed on the bottom of the discharge port. An insertion hole is formed in the bottom plate corresponding to the discharge port to insert the rod discharged through the discharge port .

The rod is discharged from the discharge port to the bottom of the loading plate, and the bottom plate of the loading plate is moved forward and backward by the expansion and contraction of the cylinder, .

On the other hand, the pipe rod discharged from the loading table is transferred along the longitudinal direction of the body frame to perform a knurling operation.

As shown in FIG. 18, a pitch plate is fixedly coupled to both sides of the body frame in the longitudinal direction, and the pitch plate is formed in a rectangular plate shape, and is coupled to the inside of the body frame in the vertical direction.

'형상으로 형성되며, 상기 안착홈에 파이프형 로드가 안착되어지는 것이다.
In addition, a plurality of seating grooves having a V-shaped vertical section are continuously formed on the upper surface of the pitch plate,

And a pipe-shaped rod is seated in the seating groove.

The pitch conveyor is formed in the shape of a rectangular plate, and the pitch conveyor has the same shape as the pitch plate. The pitch conveyor has the same shape as the pitch plate, And a plurality of V grooves are continuously formed on the upper surface.

In other words, a pitch plate is coupled to the inner side of the body frame, and a pitch conveyor is provided on the inner side of the pitch plate in parallel with the pitch plate.

In addition, the pitch conveyor is installed inside the pitch plate and is located below the pitch plate. As shown in FIG. 12, the seating groove of the pitch plate and the V-groove of the pitch conveyor are installed so as to be shifted from each other .

In addition, the pitch conveyor allows the pipe rod to be transferred to the next mounting groove beyond the ridge between the mounting groove and the mounting groove by repeatedly performing the up and down movement.

27 and 28, the pipe rod is seated in the seating groove of the pitch plate. When the pitch conveyor is elevated and lowered, the pipe rod is seated in the V-groove of the pitch conveyor, The rod is located at the ridge of the pitch plate.

When the pitch conveyor descends, the rod for the pipe is conveyed to the next seating groove by the inclination of the pitch plate seating groove.

The pitch plate coupled to one side of the body frame and the one side of the body frame is laterally movable (the direction of travel of the pipe rod is forwardly movable, and one side of the body frame and the pitch plate coupled to the inside of the body frame are moved, The width of the frame is adjusted.

In other words, the user can easily adjust the width of the body frame according to the length of the pipe rod, thereby enabling the pipe rod having a short length to be seated on the body frame.

18, the shaft of the body frame is coupled with a gap adjusting handle, the shaft coupled to the gap adjusting handle is installed in the width direction of the body frame, the shaft has an outer circumferential surface formed with a screw surface, When the interval adjusting handle is rotated clockwise or counterclockwise, one side of the body frame is moved to the right or left to widen the width of the body frame It will become narrower.

On the other hand, the pipe rod conveyed by the pitch conveyor is knurled at one end of the primary knurling installed at the side of the pitch conveyor.

As shown in Fig. 23, the primary knurling die has three cutting dies formed on the outer circumferential surface thereof, three roll dies for knurling the ends of the rod in contact with the outer circumferential surface of the pipe-shaped rod, And a guide rod which is installed in a space behind the roll dice and moves forward and backward by a cylinder so as to be sandwiched between the roll dies and pushes the knurled pipe rod toward the pitch conveyor.

The roll dice are formed in a columnar shape, and a cutting edge is formed on an outer circumferential surface which is in contact with the pipe-shaped rod. The three roll dice are arranged to be equally spaced in the circumferential direction while being in contact with the outer circumferential surface of the pipe-

In addition, the three roll dies are rotated by a drive motor for forming a toothed ridge and valley on the outer peripheral surface of the pipe-shaped rod.

The first pushing cylinder is provided with a first pushing cylinder for pushing the pipe-shaped rod toward the work side of the primary knurling. The first pushing cylinder is expanded and contracted, So that the primary nulling is pushed to the study side.

As shown in Figs. 25 and 26, in the present invention, a push rod is attached to a lower portion of a primary push cylinder, the push rod is installed parallel to the vertical line of the push cylinder, The pipe-type rod is pushed to the side of the primary knolling.

That is, the push rod is installed so as to linearly reciprocate according to the elongation and contraction of the first push cylinder, and the end portion of the push rod is brought into contact with the pipe rod to push the pipe rod to the study side.

'형상으로 형성된 브이블록이 설치되어 상기 1차 푸시실린더가 피치플레이트에 안착된 파이프용 로드를 1차 널링가공부측으로 밀었을 때, 상기 파이프용 로드가 외부로 이탈되지 않고 3개의 롤다이스 사이에 끼워질 수 있도록 가이드하는 역할을 한다.
As shown in FIG. 23, on the upper surface of the body frame in which the primary ring gear is installed,

When the primary knurling pushes the rod for a pipe in which the primary push cylinder is seated on the pitch plate and pushes the primary knurling toward the side of the study, the rod for the pipe is not released to the outside, So that it can be inserted.

Meanwhile, in the first knurling, the rod for the pipe knurled once is transferred to the second knurling, and the other end is knurled. In the present invention, the first knurling is studied, the second knurling is performed, The rotating cylinder which rotates the pipe rod by 180 degrees is provided between the first channeling work and the second channeling work.

The pivoting cylinder is installed inside the body frame and is lower in height than the pitch conveyor so that it is not interfered when the rod for the pipe is normally transported.

The rotating cylinder includes a casing fixed to a body frame, a lifting plate vertically coupled to an upper surface of the casing, a lifting plate coupled to an upper surface of the lifting plate, lifting the lifting plate upward and downward And a pivot rod supported on a top surface thereof for pivoting by a drive motor.

The pivot support rods are positioned at the same height in a vertical direction than the seating grooves of the pitch plates and are installed at low heights and positioned higher than the seating grooves of the pitch plates when lifted and lowered together.

 The pivot support rods are disposed at the same height in a vertical direction with respect to the seating grooves of the pitch plates, and are installed at low heights. When the raising and lowering plates are raised and lowered, the rods for pipes that are seated in the seating grooves of the pitch plates are seated on the pivot support rods.

Then, when the pivot support is rotated 180 degrees by the driving motor and then lowered, the pipe rod is seated in the mounting recess again.

On the other hand, in the first knurling, the rod for the knurled pipe is rotated 180 degrees by the rotating cylinder, and the other end is knurled in the second knurling.

The secondary knurling is installed on the side of the pitch conveyor and the secondary pushing cylinder is provided at a position where the secondary knurling is opposed to the upper side of the pitch conveyor to push the pipe rod toward the upper side of the pitch conveyor, The ring cage and the second push cylinder are the same as those of the first push cylinder and the first push cylinder, so a detailed description thereof will be omitted.

On the other hand, the pipe-type rod whose both ends are knurled by the primary nulling and the secondary nulling is transferred to the quality checking unit by the ringer gripper to check whether there is a defect.

The quality checking unit includes a seating block on which a rod for a pipe gripped by a finger gripper is seated, and a rotary plate installed on a lower portion of the seating block for determining a direction in which the rod is rotated in a different direction, .

The diameter of the rod mounted on the seating block is measured by a diameter measuring unit. The diameter of the pipe rod is measured by a distance sensor of the diameter measuring unit while the pipe rod is seated on the seating block. The rotating plate rotates in the left or right direction according to the measured value of the diameter to determine the direction in which the rod is discharged.

'형상인 좌측블록과, '

'형상인 우측블록으로 분할되게 형성되며, 상기 우측블록은 실린더에 의해 양측으로 이동가능하다.The mounting block has a vertical cross-

'Shaped left block, and'

', And the right block is movable to both sides by the cylinder.

'형상이고, 우측으로 회동하면 '

'형상이 되는 것으로, 상기 로드는 상기 회동판의 기울기를 따라 좌측 또는는 우측방향으로 굴림이송된다. In addition, a rotating plate is provided below the left block and the right block, and when the rotating plate is rotated to the left,

', And if you turn to the right,

Shaped, the rod is rolled along the slope of the rotary plate to the left or right direction.

That is, as shown in Figs. 33 and 34, when the right block moves to the right side, the rod that is seated on the upper portion of the seating block is discharged to the left or the lower right according to the direction in which the rotating plate is rotated.

In the present invention, as a practical example, a receptacle for storing defective rods having defects is disposed on the left side of the rotary plate, and a barrel containing rods other than bad is disposed on the right side.

Hereinafter, a method of pipe-type rod-nulling by means of a pipe-type rod knurring apparatus and being conveyed to an rivet press-fitting apparatus to press-fit a rivet will be described.

The pipe-type rod knurling method of forming serrated irregularities at both ends of the outer circumferential surface of the pipe-type rod is performed by discharging the pipe-shaped rod loaded on the loading box 120 to the pitch conveyor 130, Is first knurled to one end of the rod by knurling by the primary knurling stitching (140) after being transferred to the primary ringing stitch (140).

Thereafter, the rod machined by the first kneading step is rotated 180 degrees by the pivoting cylinder 160, and the other end of the rod knurled at one end in the first knurling step 140 is subjected to the second nulling 170 < / RTI >

The primary knurling leg 140 and the secondary knurling leg 170 are spaced apart from each other on the same side of the pitch conveyor 130. The primary knurling leg 140 has a knurled end, The direction is changed by the pivoting cylinder 160, and the other end is knurled in the secondary nulling stud 170.

The rod knurled at both ends by the primary and secondary knurling are transferred to the quality checking unit 190 by the finger gripper 191 and the diameter thereof is measured and the presence or absence of defects is confirmed.

Thereafter, the pipe-shaped rod is transferred to the rivet press-fitting device, and the rivets are inserted into both ends of the pipe rod. The rod is mounted on the mounting plate 211 installed inside the support frame 210, Centered.

The rivets 11 are assembled to both ends of the aligned pipe-like rods 10 and pressure is applied to the rivets 11 assembled at both ends of the pipe-like rods 10, And inserted into the pipe-shaped rod 10.

Next, it is confirmed whether or not the rivet 11 is inserted into the pipe-shaped rod 10, and the length of the rod is checked to determine a defective product.

Accordingly, it is an object of the present invention to automate a riveting process for riveting a rivet by sounding a rivet at both ends of a pipe rod at both ends thereof, thereby improving the workability and productivity as well as reducing the defect rate of the product, It is effective.

100: pipe type rod knurling device
110: Body frame 111: V-block
112: pitch plate 113: seat groove
114:
120: Loading tray 121:
122: base plate 123: insertion hole
130: pitch conveyor 131: V groove
140: 1st chanling study 141: Roll dice
142: Guide rod
150: primary push cylinder 151: push rod
160: Rotating cylinder 161: Casing
162: ascending / descending plate 163:
164: cylinder
170: Secondary ring gear study 180: Secondary push cylinder
190: Quality check section 191: Finger gripper
192: left block 193: right block
194: Rotary plate 195: Diameter measuring unit
196: Sockets
200: rivet press-in device 10: pipe type rod
11: Rivet
210: support frame 211: seat plate
212: seat groove 213:
214: exhaust plate
220: Up-down transfer plate 221: V-groove
230: alignment part 231: left alignment cylinder
232: Right-aligned cylinder
240: rivet gluing portion 241: left rivet supply cylinder
242: right rivet feed chamber reader 243: push cylinder
244: Fixing plate 245: Body
246: front and rear plates 247:
248: Tongs 40: Rivet dispenser
41: Left rivet distributor 42: Right rivet distributor
43: Outlet 44: Waiting frame
45: push cylinder 46: rotary frame
250: hammer part 251: left hammer cylinder
252: right hammer cylinder
260: Inspection section 261: Left inspection cylinder
262: right test cylinder 263: push cylinder
270: Length measuring section 271: Left length measuring cylinder
272: right side length measuring cylinder 273: ascending / descending plate
280: discharge cylinder 281:
A: Cylinder

Claims (3)

A seating step in which the pipe rod is seated on a seating plate 211 provided inside the support frame 210; Aligning the tubular rod (10) to the center of the support frame (210); A rivet assembling step of assembling rivets (11) to both ends of the pipe-shaped rods (10) aligned in the aligning step; A rivet punching step in which the rivet 11 is inserted into the inside of the pipe rod 10 by applying pressure to the rivet 11 which is assembled to both ends of the pipe rod 10 in the rivet assembling step In which a rivet is tightened by sounding a rivet at both ends of the pipe-shaped rod,
After the rivet punching step, it is checked whether the rivet 11 is inserted into the pipe rod 10 by the rivet punching step, and the length of the inserted pipe rod 10 after the inspecting step is checked And a length measurement step of determining a defective product,
The pipe-type rod 10 is transferred to the respective steps by the up-down transfer plate 220. The mounting plate 211 on which the rod is mounted is in the form of a rectangular plate. The upper surface of the mounting plate 211 And an up-down transfer plate 220 is installed on the inner side of the mounting plate 211 in parallel with the mounting plate 211. The up-down transfer plate 220, A plurality of V-grooves 221 are formed at a predetermined interval on the upper surface of the mounting plate 211. The up-down transfer plate 220 is moved up and down in the forward direction, Shaped rod 10 that is seated in the groove 212 to the next seating groove 212,
A gap adjusting handle 213 is coupled to one side of the support frame 210. A shaft coupled to the gap adjusting handle 213 is installed in the width direction of the support frame 210, A slope is formed on the inner circumferential surface of the hole of the support frame 210 through which the shaft passes. When the gap adjustment handle 213 is rotated clockwise or counterclockwise, the width of the support frame 210 Is broadened or narrowed,
The aligning part 230 for aligning the pipe rod 10 to the center of the support frame 210 in the aligning step includes left and right alignment cylinders 231 and 232 installed to face each other on both sides of the support frame 210, The left sorting cylinder 231 pushes the left end of the pipe rod 10 and the right sorting cylinder 232 pushes the right end of the pipe rod 10 so that the pipe rod 10 Is positioned at the center of the support frame (210). delete delete

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