KR101672363B1 - Automatic welding tip cartridge filling device - Google Patents

Automatic welding tip cartridge filling device Download PDF

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Publication number
KR101672363B1
KR101672363B1 KR1020150126569A KR20150126569A KR101672363B1 KR 101672363 B1 KR101672363 B1 KR 101672363B1 KR 1020150126569 A KR1020150126569 A KR 1020150126569A KR 20150126569 A KR20150126569 A KR 20150126569A KR 101672363 B1 KR101672363 B1 KR 101672363B1
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KR
South Korea
Prior art keywords
tip
cartridge
opening
welding
welding tip
Prior art date
Application number
KR1020150126569A
Other languages
Korean (ko)
Inventor
이승해
송두현
이주현
박수용
김호진
Original Assignee
한국티앤엠(주)
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Application filed by 한국티앤엠(주) filed Critical 한국티앤엠(주)
Priority to KR1020150126569A priority Critical patent/KR101672363B1/en
Application granted granted Critical
Publication of KR101672363B1 publication Critical patent/KR101672363B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/30—Features relating to electrodes
    • B23K11/3072—Devices for exchanging or removing electrodes or electrode tips
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/10—Spot welding; Stitch welding
    • B23K11/11—Spot welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/36—Auxiliary equipment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
    • B65G43/08—Control devices operated by article or material being fed, conveyed or discharged
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/02—Devices for feeding articles or materials to conveyors
    • B65G47/04—Devices for feeding articles or materials to conveyors for feeding articles
    • B65G47/12—Devices for feeding articles or materials to conveyors for feeding articles from disorderly-arranged article piles or from loose assemblages of articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
    • B65G47/88—Separating or stopping elements, e.g. fingers
    • B65G47/8807—Separating or stopping elements, e.g. fingers with one stop
    • B65G47/8815—Reciprocating stop, moving up or down in the path of the article

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

The present invention relates to a welding tip cartridge, and more particularly, to a welding tip cartridge, which automatically charges a consumed welding tip of a cartridge supplying a replacement welding tip in a tip changing operation using a welding tip automatic changer, And to improve the efficiency of the welding tip cartridge charging apparatus.
To this end, it is composed of a tip feeder portion, a tip feed rail portion, a tip feed tube portion, a cartridge mount portion and an opening and closing cylinder portion and a shutoff cylinder portion so that the consumed weld tip in the weld tip cartridge can be automatically recharged, Improves work efficiency while reducing time for tip exchange and alignment during operation.

Description

[0001] The present invention relates to an automatic welding tip cartridge filling device,

The present invention relates to a welding tip cartridge, and more particularly, to a welding tip cartridge, which automatically charges a consumed welding tip of a cartridge supplying a replacement welding tip in a tip changing operation using a welding tip automatic changer, And to improve the efficiency of the welding tip cartridge charging apparatus.

Generally, in mass production of certain products such as automobile production lines, spot welding is mainly used because the heating time is very short as compared with other welding, the work speed is high, and the heating range is narrow and residual stress and deformation are small. .

A welding gun for ordinary spot welding is composed of a shank and a welding tip attached to the shank end to perform welding. A panel (article) to be welded is sandwiched between shanks on both sides and repeatedly Perform welding.

On the other hand, the welding tip is worn and deflected by the pressure and heat at the tip according to the work. If the warping and abrasion proceed beyond the allowable limit, welding failure occurs. Therefore, the welding tip should be periodically exchanged.

In order to be able to replace the welding tip of the worn weld gun in this way, the applicant of the present invention invented and proposed a device for automatically exchanging the welding tip, as shown in Patent Document (0001).

Referring to FIG. 1, such a welding tip automatic exchange apparatus 1 mainly includes a tip removing means 3 for removing a worn welding tip of a welding gun, and a new welding tip in a tip accommodating portion 4a, And tip setting means (4) for mounting the shank of the detached welded gun.

At this time, a new welding tip is always received in the tip accommodating portion 4a of the tip setting means 4 so that the new welding tip can be exchanged. It is difficult to place the single welding tip one by one. A welding tip cartridge 10 accommodating therein a predetermined number of welding tips is detachably coupled to an upper portion of the tip accommodating portion 4a so as to fill the consumed welding tip within the tip accommodating portion 4a.

On the other hand, such a welding tip cartridge 10 also needs to recharge the consumed welding tip 20 during a continuous welding tip replacement operation.

Since the single welding tip 20 is manually inserted into the welding tip cartridge 10 and charged, it takes a long time during the welding tip changing operation. Therefore, the welding tip cartridge 10 In order to fill the welding tip 20 consumed in the welding process.

Korean Registered Patent No. 10-1216192 (registered on December 20, 2012)

The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a welding tip cartridge charging apparatus configured to automatically charge a consumed welding tip in a tip cartridge for supplying a welding tip during a tip changing operation using a welding tip automatic changer The purpose is to provide.

In order to accomplish the above object, a welding tip cartridge automatic charging apparatus according to the present invention charges a welding tip into a cartridge having a tip storage path, an opening communicating with the tip storage path, and an opening / closing lever for opening and closing the opening.

To this end, a tip feeder portion for aligning the supplied welding tips; A tip transfer rail part for transferring the welding tip discharged from the tip feeder part in a unidirectional alignment; A tip feed tube part in which the welding tips of the tip feeding rail part are drawn to the upper end side and are fed to the lower end side in a state of being sequentially aligned by their own weight and waited; A cartridge mounting portion in which the cartridge is positioned such that an opening of the cartridge is opposed to an insertion port on a lower end side of the tip supply tube portion; And an opening / closing cylinder portion provided at the lower end side of the tip supply tube portion and operating the opening / closing of the inlet according to the control.

According to this configuration, the welding tips sequentially aligned to the tip supply tube portion under control are filled on the tip storage tube through the opening of the cartridge.

If necessary, the cutting cylinder portion may further include a cutting cylinder portion for controlling the feed of the welding tip transferred by the tip transfer rail portion to the upper end side of the tip supply tube portion.

The blocking cylinder portion includes a body fixed to the tip supply tube portion by a bracket, a cylinder rod connected to the body, and a shut-off bar connected to the cylinder rod and opening and closing the inlet of the tip supply tube portion under control.

Further, the shut-off cylinder portion further comprises a sensor portion for sensing a welding tip positioned at an inlet of the tip supply tube portion.

On the other hand, the opening and closing cylinder part is a first embodiment, which includes a body fixed to a tip supply tube part by a bracket, a cylinder rod connected to the body, and an opening and closing bar connected to the cylinder rod and opening and closing the inlet of the tip supply tube part under control .

The cartridge mounting portion includes a guide plate having a width and a length at which the cartridge is seated, a guide wall bent upward in the longitudinal direction and protruding upward, a limit wall protruding from the guide plate and a longitudinal end portion of the guide wall, And a mounting confirmation sensor unit for confirming the mounting of the cartridge in contact with the limit wall and generating a signal.

Further, the limit wall is formed in a shape protruding toward the guide plate side at the upper end portion, and further comprises a lever pushing bar for opening the opening by pressing the opening / closing lever of the cartridge to be mounted.

The cartridge mounting portion further includes a mounting wall connected to the end of the limit wall and the end of the guide plate and supporting the mounting of the cartridge to a position facing the end of the guide wall.

According to another embodiment of the present invention, in the second embodiment, the opening and closing cylinder portion includes a body fixed to one side of the upper portion of the tip supply tube portion by the support frame, a cylinder rod connected to one side of the body and penetrating the tip supply tube portion, And a push bar penetrating the tip supply tube portion according to the control to press and open the cartridge opening / closing lever.

At this time, the push bar of the opening / closing cylinder part is arranged on the tip feed pipe part in accordance with the control, so as to prevent the lower feed of the sequentially aligned welding tip and to operate the opening and closing of the inlet.

As described above, the welding tip cartridge charging apparatus according to the present invention can automatically and newly charge the consumed welding tips in the welding tip cartridge during the tip changing operation using the automatic welding tip changing apparatus, It is possible to shorten the time required for the operation and improve the working efficiency.

In addition, by filling the tip in the welding tip cartridge automatically, the attraction of the entire process can be reduced and the efficiency can be increased.

1 is a perspective view showing a welding tip automatic changing apparatus according to the prior art;
2 is an exploded perspective view showing a cartridge applied to a welding tip cartridge charging apparatus according to the present invention;
3 is a view showing a welding tip cartridge charging apparatus according to a first embodiment of the present invention.
Fig. 4 is an enlarged perspective view of the recess according to Fig. 3; Fig.
5 is an enlarged perspective view showing a blocking cylinder according to FIG.
6 (a), (b) and (c) are cross-sectional schematic views showing the use state of a welding tip cartridge charging apparatus according to the first embodiment of the present invention.
FIG. 7 is an enlarged perspective view of a welding tip cartridge charging apparatus according to a second embodiment of the present invention; FIG.
8 (a) and 8 (b) are cross-sectional schematic views showing the use state of a welding tip cartridge charging apparatus according to a second embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings.

2 is an exploded perspective view showing a cartridge applied to a welding tip cartridge charging apparatus according to the present invention. Hereinafter, a welding tip cartridge 10 according to the present invention will be described with reference to the drawings.

Generally, the welding gun has a pair of shanks in the up-and-down direction or the left-right direction, and has a welding tip 20 mounted thereon. The welding tip 20 has a head portion 22 And a shank insertion groove 21 into which the shank is inserted and mounted. At this time, the end portion of the head portion 22 comes into contact with the welded body in a dome-shaped round shape.

Meanwhile, the welding tip cartridge 10 is constructed such that a pair of welding tips 20 in the up-and-down direction or the left-right direction are accommodated therein and can be provided to the welding tip automatic changing apparatus side. An opening 12 formed at a predetermined position on the upper surface of the body 10a so as to communicate with the tip storage passage 11 and an opening 12 communicating with the tip storage passage 11 from the opening 12, An opening and closing lever 13 rotatably hinged to an incision 14 formed along a longitudinal direction on an upper surface of the body 10a to open and close the opening 12, And a cover 10b which is made of a resin.

At this time, the tip reservoir 11 has a shape such as 'S', 'M', 'W' and the like, and the welding tip 20, which is inserted through the opening 12, So that it can move downward from the upper portion of the furnace 11.

A spring (not shown) is provided between the bottom surface of the incision part 14 and the opening and closing lever 13 so that an elastic force is applied to the opening and closing lever 13 so that the opening and closing lever 13 can rotate elastically .

The welding tip cartridge 10 configured as described above accommodates a plurality of welding tips 20 therein. When the welding tip in the tip receiving portion (FIGS. 1 and 4a) is consumed, the welding tip cartridge 10 is mounted on the upper portion of the tip accommodating portion, 13 are opened and the welding tip 20 charged on the tip storage path 11 is moved by its own weight into the tip accommodating portion (FIGS. 1 and 4a) to fill the tip accommodating portion.

FIG. 3 is a perspective view of a welding tip cartridge filling apparatus according to a first embodiment of the present invention, FIG. 4 is an enlarged perspective view of the main part according to FIG. 3, and FIG. 5 is an enlarged perspective view showing a cutting cylinder part according to FIG. 3 .

The welding tip 20 must be inserted through the opening 12 of the cartridge to fill the tip reservoir 11 of the welding tip cartridge 10 with the welding tip 20, It is necessary to control the operation of the opening / closing lever 13 as necessary in order for the welding tip 20 to be opened and closed.

The welding tip cartridge automatic filling apparatus 100 according to the present invention is configured such that the welding tip cartridge 20 according to the present invention is capable of automatically charging the welding tip 20 in such a welding tip cartridge 10 A tip feed rail part 120, a tip feed tube part 130, a cartridge mounting part 140, and an opening and closing cylinder part 150. [ And a blocking cylinder 160. [

More specifically, a welding tip cartridge automatic filling apparatus 100 according to the present invention configured to automatically fill a welding tip with a cartridge 10 will be described with reference to FIGS. 3 to 5 as follows.

The welding tip cartridge automatic filling apparatus 100 includes a tip feeder portion (not shown) for supplying a welding tip 20 to be replaced with a worn welding tip and newly mounted on a shank of the welding gun, 110) on one side.

A tip transfer rail part 120 for transferring the welding tip 20, which has been discharged through the tip feeder part 110 and is aligned in one direction, is connected to one end of the tip feeder part 110, A tip feeding tube part 130 which is fed to the lower end side in a state in which the transferred welding tip 20 of the tip feeding rail part 120 is pulled toward the upper end side and is sequentially aligned by the inclination slope and its own weight, And is configured to communicate with the rail part (120).

A cartridge mounting portion 140 for positioning the cartridge so that the insertion port 132 of the tip supply tube portion and the opening portion 12 of the cartridge 10 face each other is formed on the lower end side of the tip supply tube portion 130.

One end of the tip supply tube 130 is controlled by the control and the end of the opening and closing cylinder 150 operates the opening of the inlet 132 of the tip supply tube 130.

When the cartridge 10 requiring charging is placed on the cartridge mounting portion 140, the welding tip cartridge automatic filling apparatus 100 according to the present invention having the above- The tip is automatically filled on the tip storage path 11 of the cartridge 10 through the opening 12 of the cartridge 10. [

Then, the charged cartridge 10 is transferred to the welding tip automatic exchanger side through a transfer robot or a separate transfer means, and is inserted into the tip accommodating means (Figs. 1 and 4) of the automatic welding tip exchanger (Figs. 1 and 4a).

The welding tip cartridge automatic filling apparatus 100 may be installed at a connection point between the tip transfer rail part 120 and the tip supply tube part 130, that is, on the upper end side of the tip supply tube part 130, And a blocking cylinder portion 160 for controlling the pulling of the welding tip 20 conveyed by the tip conveying rail portion 120.

More specifically, a welding tip cartridge automatic filling apparatus 100 according to the present invention is installed on a tip storage tank 102 and a charging table 101 having a predetermined height and size, and the tip storage tank 102 The welding tip 20 is supplied to or stored in the tip feeder 110 in a state where the tip feeder 110 has a size and a height capable of receiving the welding tip 20, (Not shown).

A cartridge mounting portion 140 is provided on the upper portion of the charging table 101.

At this time, it is preferable that the position of the tip feeder 110 in the tip storage tank 102 and the cartridge loading part 140 of the charging table 101 are located at different heights, The tip end portion of the tip end portion of the tip end portion of the tip end portion of the tip end portion of the tip end portion of the tip end portion of the tip end portion of the tip end portion And to be charged into the cartridge 10 while being transported by its own weight.

It is preferable that the tip feeder 110 is formed of two pieces so that the welding tip 20 can be easily exchanged with the welding gun on the left side (or the upper side) and the welding gun on the right side (or the lower side), respectively.

And the welding tip 20 on the tip feeder portion 110 is aligned internally so that it can be discharged and transported in a direction in which the cartridge 10 can be charged, Conventional techniques using a vibrating device or an aligning device can be applied to the process, which will be omitted.

Thus, the welding tips 20 aligned on the tip feeder portion 110 are aligned while being conveyed through the respective conveyance paths and conveyed through the tip supply tube portion 130 onto the tip storage passage 11 of the cartridge 10 And charged.

The tip transfer rail part 120 transfers the welding tip 20 discharged from the tip feeder part 110 to the cartridge mounting part 140. The tip part of the welding tip 20 passing through the tip feeder part 110 20) and feeds the welding tip 20 according to the manner of operation of the machine structure.

On the other hand, if necessary, a part of the entire length of the tip conveying rail 120 is inclined with a slope? Along the width direction.

As described above, the welding tip 20 has a cylindrical shape as a whole. The welding tip 20 has a head portion 22 and a shank insertion groove 21 each having a dome-shaped round shape.

Therefore, the welding tip 20, which is not positioned in the correct direction among the welding tips 20 transferred along the tip conveying rail part 120, passes through the part having the inclination slope? And may be configured to be pulled back to the tip feeder portion 110 again if necessary and to be sorted and transported again.

In addition, the tip conveying rail part 120 is preferably a rail having a predetermined length, and a large amount of the welding tips 20 are waiting to be aligned and conveyed along the length of the conveying rail.

The tip feed tube 130 serves as a fixed connection tube for connecting the tip conveyance rail part 120 and the cartridge 10 mounted on the cartridge mounting part 140, Is positioned on the tip supply tube portion 130 in a state of being aligned in the same direction so as to pass through the opening portion 12 of the cartridge 10. [

Preferably, the tip supply tube portion 130 has an upper end portion communicating with the tip conveying rail portion 120 and a lower end portion positioned adjacent to the cartridge mounting portion 140, So that the welding tip 20 sequentially aligned with the tip supply tube 130 can be charged into the cartridge 10 while being fed by the inclination slope and the weight without any additional power .

The tip supply tube portion 130 is connected to the first supply path (not shown) so that the welding tip is aligned in one direction so that the welding tip 20 can be inserted into the two tip storage passages 11 of the cartridge 10, And a second supply path 130b in which the welding tip 20 is aligned in a direction opposite to the welding tip 20 aligned with the first supply path 130a. At this time, the first supply path 130a and the second supply path 130b are preferably formed by partition walls.

The opening and closing cylinder part 150 is provided at one side of the lower end of the tip supply tube part 130 and is configured to control the opening and closing of the inlet opening 132 of the tip supply tube part 130 according to the control.

The opening and closing cylinder part 150 includes a body 151 fixed to one side of a pipe upper surface of the tip supply pipe part 130 by a bracket and a cylinder rod 152 connected to the body part 151 at one end, And an opening / closing bar 153 connected to the cylinder rod 152 and opening / closing the inlet 132 of the tip supply pipe 130 under control.

More specifically, the opening / closing cylinder part 150 is electrically connected to the mounting confirmation sensor part 145 and the blocking cylinder part 160 of the cartridge mounting part 140, which will be described later.

The mounting confirmation sensor unit 145 sends control signals to the opening and closing cylinder unit 150 and the blocking cylinder unit 160 when the cartridge 10 is stably mounted on the cartridge mounting unit 140, The cylinder rod 152 of the opening and closing cylinder part 150 moves in the longitudinal direction to move the opening and closing bar 153 at the end of the opening and closing part 150. The opening and closing part 153 has its end connected to the inlet 132 of the tip supplying tube part 130 And then moves in accordance with the linear movement of the cylinder rod 152 to open the loading port 132.

The welding tip 20 which has been sequentially aligned on the first supply path 130a and the second supply path 130b through the opening 132 of the opened tip supply tube part 130 is transferred to the outside.

The cartridge mounting portion 140 positions the cartridge so that the lower end side charging opening 132 of the tip supply tube portion 130 and the opening portion 12 of the cartridge 10 face each other. The transferred welding tip 20 is inserted into the opening 12 of the cartridge 10 through the inlet port 132 and is filled on the internal tip storage passage 11.

The cartridge mounting portion 140 includes a guide plate 141 having a width at which the cartridge 10 can be loaded and a length at which the cartridge 10 can be transported as needed, A limit wall 143 protruding from an end of the guide plate 141 and the guide wall 142 in the longitudinal direction of the guide wall 141, And a mounting confirmation sensor unit 145 for confirming the mounting of the cartridge 10 in contact with the cartridge mounting member 143 and generating a control signal.

The lever pushing bar 143a is formed at an upper end of the limit wall 143 so as to protrude toward the guide plate 141. The lever pushing bar 143a moves along the guide plate 141, The opening 12 is opened by pressing one side of the protrusion of the opening / closing lever 13 of the cartridge 10.

Preferably, the lever pressing bar 143a has an inclined surface at an end thereof so that the protruded one side of the opening and closing lever 13 can be easily pushed.

In other words, when the cartridge 10 is mounted along the guide plate 141 and the guide wall 142, the protruding one side of the opening / closing lever 13 is brought into contact with the lever pushing bar 143a, The lever pushing bar 143a fully presses the opening / closing lever 13 to open the opening 12, because the lever pushing bar 143 is brought into contact with the limit wall 143.

The cartridge mounting portion 140 is connected to the end portion of the limit wall 143 and the end portion of the guide plate 141 and is provided at a position corresponding to the end portion of the guide wall 142, (Not shown).

In addition, the width a of the guide plate 141 is preferably the same as the length a 'of the cartridge 10 to be mounted.

When the welding tip 20 transferred by the tip transfer rail part 120 enters the tip supply tube part 130, the welding tip is inserted into the inlet part of the tip supply tube part 130, (133) and can be controlled to be drawn into the inside.

The blocking cylinder 160 includes a body 161 fixed to the tip supply tube 130 by a bracket, a cylinder rod 162 connected to the body 161, And a shutoff bar 163 connected to the tip supply tube 130 and opening and closing the inlet 133 of the tip supply tube 130 according to the control.

The blocking cylinder unit 160 further includes a sensor unit 164 for detecting a welding tip 20 positioned at an inlet 133 of the tip supply pipe 130. The opening / closing cylinder part 150 and the mounting confirmation sensor part 145 of the cartridge mounting part 140 described above are electrically connected.

Generally, the number of the welding tips 20 to be filled on the tip storage path 11 inside the cartridge 10 is about 20 to 30, and the number of the welding tips 20 is limited to the tip supply tube portion 130).

At this time, it is necessary to control the number of the welding tips 20 so that the welding tip 20 is no longer drawn on the tip supply tube portion 130 as necessary. The blocking cylinder portion 160 is located on the inlet 133 side And receives the signal of the sensor unit 164 that senses the welding tip 20 and blocks or opens the inlet 133 using the blocking bar 163. [

But it is not limited thereto.

6 (a), 6 (b) and 6 (c) are schematic cross-sectional views showing the use state of the welding tip cartridge charging apparatus according to the first embodiment of the present invention.

Referring to FIGS. 4 and 5, the state of use of the welding tip cartridge automatic charging apparatus 100 according to the present invention will be described below.

First, the welding tip 20 positioned on the tip feeder 110 is aligned according to a separate control and discharged to the outside. The discharged welding tip 20 is moved in one direction with the tip transfer rail part 120 And transported.

The welding tip 20 transferred by the tip transfer rail part 120 passes through the inlet part 133 of the tip supply tube part 130 and the shutoff cylinder part 160 and flows into the first supply path 130a, And the second supply path 130b. At this time, the tip supply pipe 130 is in the form of a pipe having an inclination slope, and the welding tip 20 is connected to the first supply path 130a by the inclination slope and its own weight, And the second supply path 130b.

The welding tips 20 of the first supply path 130a and the second supply path 130b are formed in the shape of the corresponding openings 12 so as to pass through the openings 12 of the cartridge 10, They are aligned in the same direction with the same direction.

6 (a), when the number of the welding tips 20 to be mounted on the cartridge 10 is sequentially aligned on the tip supply tube portion 130, the sensor portion 164 of the blocking cylinder portion 160 Senses the welding tip 20 at the last position and sends a control signal.

A control signal of the sensor unit 164 of the blocking cylinder unit 160 is also transmitted on the tip feeder 110 and the tip feed rail 120 so that the tip feeder 110 and the tip feed rail 120 to stop the tip transfer operation and no longer allow the welding tip 20 to be transferred.

On the other hand, the cartridge 10 in which the inner welding tip is consumed and the welding tip is required to be charged, is placed on the cartridge mounting portion 140 for charging, and is transported by a robot arm or a separate transporting means if necessary.

The cartridge 10 is seated on the guide plate 141 of the cartridge mounting part 140 and is moved to the side where the tip supply tube part 130 is positioned along the longitudinal direction of the guide plate 141 by a force.

At this time, the cartridge 10 is slid along the guide wall 142 and stopped by the limit wall 143 formed at the end of the guide plate 141. At this time, the opening and closing lever 13 of the cartridge 10 is pressed by the upper lever pressing bar 143a of the limit wall 143 so that the opening 12 is opened.

The limit wall 143, the guide plate 141, and the mounting wall 144 form a cartridge mounting space, and the cartridge 10 mounted on the mounting space has an opening 12 at the upper end thereof, And is mounted at a position corresponding to the insertion port 132 of the tip supply tube 130 of the charging apparatus 100. [

On the other hand, the mounting confirmation sensor unit 145 on the cartridge mounting unit 140 is fixedly installed by the support plate 145a. The sensor 145 senses whether or not the cartridge 10 is in contact with or proximity to the mounted cartridge 10, The control unit for controlling the operation of the cylinder unit 150 and the shutoff cylinder unit 160 signals that the cartridge 10 is mounted.

 According to the control signal, the blocking cylinder portion 160 moves the blocking bar 163 in accordance with the linear movement of the cylinder rod 162 and the blocking bar 163 moves the inlet 133 of the tip supply pipe portion 130, Thereby preventing the welding tip 20 from being drawn into the tip supply tube portion 130.

6 (b), tip transfer to the tip supply tube 130 by the interrupting cylinder 160 is interrupted according to the control signal of the mounting confirmation sensor 145, and the opening / closing cylinder 150, The cylinder rod 152 of the cylinder head 150 linearly moves according to the control signal.

Accordingly, the opening / closing bar 153 fixed to the end of the cylinder rod 152 is also moved to open the inlet 132 of the tip supply pipe portion 130.

The welding tip 20 passing through the opening 132 opened by the opening and closing bar 153 and sequentially aligned on the tip supply pipe 130 is discharged to the outside, And is charged into the cartridge along the tip storage passage 11 through the opening portion 12 of the cartridge 10 positioned facing the loading port 132. [

6 (c), when the welding tip 20 is charged into the tip storage path 11 of the cartridge 10, the opening / closing operation of the opening / closing cylinder part 150 The cylinder rod 152 moves backward again, and accordingly, the opening and closing bar 153 also moves backward and returns to its original position. The welding tip 20 is prevented from passing through the insertion port 132 of the tip supply pipe portion 130 by the retracted opening / closing bar 153.

At this time, the cylinder rod 162 of the blocking cylinder portion 160 is also moved backward. As the blocking bar 163 is further moved backward, the inlet of the tip supply pipe portion 130 blocked by the blocking bar 163 133 are opened and the welding tips 20 transferred by the tip transfer rail part 120 are transferred and aligned on the tip supply tube part 130.

The cartridge 10, which has been filled with the new welding tip, is detached from the cartridge mounting portion 140 by a separate transfer device or tool, and is used for the welding tip replacement operation. Then, the above-described welding tip charging process is repeated while the cartridge 10 in which the charging of the welding tip 20 is newly required is mounted on the cartridge mounting portion 140 again.

8 (a) and 8 (b) are cross-sectional schematic views showing the state of use of the welding tip cartridge charging apparatus according to the second embodiment of the present invention.

As shown in the drawing, the welding tip cartridge charging apparatus 100 according to the present invention may be configured as follows.

The opening and closing cylinder part 150 of the welding tip cartridge charging apparatus 100 includes a body 151 fixed to the tip supply tube part 130 by a bracket and a body 151 connected to the body 151, A cylinder rod 152 which penetrates the tube portion 130 and is connected to the cylinder rod 152 and under control to push the opening and closing lever 13 of the cartridge 10 through the tip supply tube portion 130 And a push bar 153 '.

The mounting confirmation sensor unit 145 sends a control signal to the opening and closing cylinder unit 150 when the cartridge 10 is stably mounted on the cartridge loading unit 140, The rod 152 moves in the longitudinal direction to press the opening and closing lever 13 of the cartridge 10 by using the push bar 153 'at the end to hinge and open the opening 12.

The push bar 153 'of the opening and closing cylinder part 150 is positioned on the tip supply tube part 130 by the cylinder rod 152 when no control signal is received, The welding tip 20 is positioned in the conveying direction of the welding tip 20 aligned on the supply tube portion 130 to prevent the welding tip 20 from being conveyed downward.

The use state of the welding tip cartridge charging apparatus 100 according to the second embodiment of the present invention will be described below.

The welding tip 20 aligned on the tip feed tube portion 130 through the tip feeder portion 110 and the tip feed rail portion 120 is positioned on the tip of the opening and closing cylinder portion 150 installed through the tip feed tube portion 130 The pushing bar 152 prevents its advancing movement and stands on standby on the tip supply tube portion 130. [

The cartridge 10 requiring the charging of the welding tip 20 is seated on the guide plate 141 and moved to the side where the tip supply tube portion 130 is positioned along the longitudinal direction of the guide plate 141 by force do.

At this time, the cartridge 10 is slid along the guide wall 142 and stopped by the limit wall 143 formed at the end of the guide plate 141. At this time, the limit wall 143, the guide plate 141, and the mounting wall 144 form a cartridge mounting space, and the cartridge 10 mounted on the mounting space has a top opening 12, And is mounted at a position corresponding to the insertion port 132 of the tip supply tube 130 of the charging apparatus 100. [

The shutoff cylinder 160 and the cylinder rod 152 of the opening and closing cylinder 150 move linearly in response to a control signal from the mounting confirmation sensor unit 145, The push bar 153 'fixed to the end of the cylinder rod 152 of the opening and closing cylinder part 150 is prevented from entering into the tip supply tube part 130 by the blocking bar 163 fixed to the end of the rod 162' Passes through the tip supply tube portion 130 and presses the opening and closing lever 13 of the cartridge 10.

At this time, the opening 12 of the cartridge 10 is opened according to the hinge movement of the opening and closing lever 13 of the cartridge 10, and the opening 12 corresponds to the inlet 132 of the tip supply pipe 130 .

The welding tip 20, which has been aligned on the tip supply tube portion 130 prevented from its self-weight transferring motion by the push bar 153 ', performs self-weighting motion according to the movement of the push bar 153' And is discharged to the outside through the inlet 132 of the tip supply tube portion 130.

The welding tip 20 passing through the inlet port 132 is then passed through the opening 12 of the cartridge 10 and is charged into the cartridge along the tip storage passage 11 of the cartridge 10.

The cylinder rod 152 of the opening and closing cylinder part 150 is moved back again to open and close the opening and closing lever 13 of the cartridge 10 when the welding tip 20 is filled in the tip storage path 11 of the cartridge 10, And the push bar 153 '.

The cylinder rod 162 of the shutoff cylinder 160 moves backward again to return the shutoff bar 163 to the tip feeder tube 130. The tip feeder 110 and the tip feeder rail (Not shown).

As described above, the welding tip cartridge automatic filling apparatus 100 according to the present invention is configured to automatically charge the welding tip 20 to the cartridge 10, which consumes the welding tip, if necessary, It is possible to shorten the time required for the tip exchange and alignment during the exchange operation, thereby increasing the exchange efficiency.

In addition, by automatically filling the tip in the welding tip cartridge, the attraction of the entire process can be reduced and the efficiency can be increased.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention. It is not.

*** Description of the main parts of drawings ***
10: welding tip cartridge 11: tip storage furnace
12: opening 20: welding tip
100: welding tip cartridge automatic charging device 110: tip feeder part
120: Tip feed rail part 130: Tip feed pipe part
140: cartridge mounting portion 145: mounting confirmation sensor portion
150: opening and closing cylinder part 153: opening and closing bar
153 ': push bar 160: blocking cylinder part
163: Cut-off bar

Claims (10)

An apparatus for filling a welding tip (20) in a cartridge (10) having a tip storage path (11), an opening (12) communicating with the tip storage path, and an opening and closing lever (13) ,
A tip feeder portion 110 for aligning the supplied welding tip 20;
A tip transfer rail part 120 for transferring the welding tips discharged from the tip feeder part 110 in an aligned state;
A tip feed pipe part (130) which receives the welding tip of the tip conveying rail part (120) into the upper end side and is conveyed to the lower end side in a state of being sequentially aligned by its own weight and waits;
A cartridge mounting portion 140 in which the cartridge is positioned so that the lower end side charging opening 132 of the tip supply tube portion 130 and the opening portion 12 of the cartridge 10 face each other;
And an opening / closing cylinder part (150) provided on the lower end side of the tip supply tube part (130) and controlling the opening / closing of the inlet port (132) according to the control;
The welding tip sequentially aligned with the tip supply tube portion 130 is filled on the tip storage path 11 through the opening portion 12 of the cartridge 10 according to the control.
The method according to claim 1,
And a blocking cylinder part (160) for controlling the pulling of the welding tip (20) transferred by the tip transfer rail part (120) on the upper end side of the tip supply pipe part (130) Cartridge automatic charging device.
3. The method of claim 2,
The blocking cylinder unit 160 includes:
A body 161 fixed to the tip supply tube portion 130 by a bracket,
A cylinder rod 162 connected to the body 161,
And a blocking bar (163) connected to the cylinder rod (162) and opening and closing the inlet (133) of the tip supply tube part (130) according to the control.
The method of claim 3,
The blocking cylinder unit 160 includes:
Further comprising a sensor part (164) for sensing a welding tip (20) positioned at an inlet (133) of the tip supply tube part (130).
The method according to claim 1,
The opening / closing cylinder part 150 includes:
A body 151 fixed to the tip supply tube portion 130 by a bracket,
A cylinder rod 152 connected to the body 151,
And an opening / closing bar (153) connected to the cylinder rod (152) and opening / closing the inlet (132) of the tip supply pipe part (130) under control.
The method according to claim 1,
The cartridge mounting portion 140,
A guide plate 141 having a width and a length in which the cartridge 10 is seated and a guide wall 142 protruding upward from the guide plate 141 in a longitudinal direction, A limit wall 143 protruding from a longitudinal end portion of the guide wall 142 and a mounting confirmation sensor portion 145 for generating a signal by confirming the mounting of the cartridge 10 in contact with the limit wall 143 And the welding tip cartridge is attached to the main body.
The method according to claim 6,
The limit wall 143 further includes a lever pressing bar 143a for opening the opening 12 by pressing the opening and closing lever 13 of the cartridge 10 mounted on the guide plate 141 in the upper end thereof And the welding tip cartridge automatic charging device is configured to automatically charge the welding tip cartridge.
The method according to claim 6,
The cartridge mounting portion 140,
The mounting wall 144 is connected to the end of the limit wall 143 and the end of the guide plate 141 and supports the mounting of the cartridge 10 to a position facing the end of the guide wall 142 And the welding tip cartridge is attached to the main body.
The method according to claim 1,
The opening / closing cylinder part 150 includes:
A body 151 fixed to the tip supply tube portion 130 by a bracket,
A cylinder rod 152 connected to the body 151 and passing through the tip supply tube 130,
And a push bar 153 'which is connected to the cylinder rod 152 and which controls the opening and closing lever 13 of the cartridge 10 by passing through the tip supply tube part 130 Welding tip cartridge automatic charging device.
10. The method of claim 9,
The push bar 153 'of the opening /
And controls the opening and closing of the charging port (132) by preventing the lowering of the sequentially aligned welding tips (130) on the tip supply pipe (130) according to the control.
KR1020150126569A 2015-09-07 2015-09-07 Automatic welding tip cartridge filling device KR101672363B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018110020A1 (en) * 2016-12-12 2018-06-21 株式会社キョクトー Electrode housing device for spot welding
WO2020093148A1 (en) 2018-11-05 2020-05-14 Nasarc Technologies Inc. System and method for servicing welding torches

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101216192B1 (en) 2012-07-31 2012-12-28 이승해 Apparatus for changing welding tip of a spot welding gun
KR20150002590A (en) * 2012-10-24 2015-01-07 브뤄위어 시스템테히닉 게엠베하 Device for filling cartridges for electrode caps

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101216192B1 (en) 2012-07-31 2012-12-28 이승해 Apparatus for changing welding tip of a spot welding gun
KR20150002590A (en) * 2012-10-24 2015-01-07 브뤄위어 시스템테히닉 게엠베하 Device for filling cartridges for electrode caps

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018110020A1 (en) * 2016-12-12 2018-06-21 株式会社キョクトー Electrode housing device for spot welding
US11117211B2 (en) 2016-12-12 2021-09-14 Kyokutoh Co., Ltd. Spot welding electrode housing apparatus
WO2020093148A1 (en) 2018-11-05 2020-05-14 Nasarc Technologies Inc. System and method for servicing welding torches
EP3863790A4 (en) * 2018-11-05 2022-12-14 Nasarc Technologies Inc. System and method for servicing welding torches

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