KR100575272B1 - Battery Pack Welding Machine And Welding Method Using The Same - Google Patents

Abstract

The present invention relates to a battery pack automatic welding device and a method thereof, wherein a preparation means for transferring a battery pack having a predetermined electrode to an adsorption position through an inlet conveyor, and a transport means for moving a battery pack positioned at an adsorption position in the preparation step to the position The battery pack adsorbed to the vacuum adsorption member in the first inspection step and the first inspection step of inspecting the state of the battery pack drawn in the transfer step and the transfer step by which the vacuum adsorption member of the transfer means is vacuum-adsorbed In the welding step and the welding step of welding at the same time by the welding parts installed on both sides of the seating step and the seating step to be vacuum-seated in the seating step and the seating step to inspect the state of the battery pack after welding in the welding step through the test piece The battery pack, which has been welded in the second inspection step and the second inspection step, is taken out by being absorbed by the vacuum adsorption member of the transfer means Withdrawing the take-off conveyor and a take-out step of taking out.

Battery Pack, Automatic Welding

Description

Battery Pack Automatic Welding Device and Method {Battery Pack Welding Machine And Welding Method Using The Same}

Figure 1a is a view showing a conventional battery pack welding device,

1B is a plan view of the A display unit shown in FIG. 1A;

Figure 2 is a perspective view showing the overall configuration of the automatic welding device of the battery pack of the present invention,

3 is a side cross-sectional view of an automatic welding device of a battery pack of the present invention;

Figure 4 is a side cross-sectional view showing a transfer unit for introducing or withdrawing the battery pack in the automatic welding device of the present invention,

5 is a plan view showing a conveying part and a seating part and a welding part of the automatic welding device of the present invention;

Figure 6 is a perspective view showing the operating state of the welding portion of the automatic welding device of the present invention,

7 is a front view showing the operating state of the welded portion shown in FIG.

8 is a perspective view showing a state of welding a battery pack in the battery pack automatic welding device of the present invention,

9 is a perspective view showing a state in which the welding member of the weld shown in FIG. 8 is cleaned;

10 is a process chart for explaining a method for automatically welding a battery pack through the battery pack automatic welding apparatus of the present invention.

<Explanation of Signs of Major Parts of Drawings>

100: transfer unit 101: transfer guide hole

110: incoming conveyor 120: transfer means

121: operation bar 122: vacuum suction member

122a: vacuum hole 123: transfer means body

125: test piece 130: withdrawal conveyor

200: battery pack 210: electrode

300: welding part 310: welding member fixing jig

320: rotating cylinder 321: working shaft

330: rotating member 330a: rotating shaft

350: welding member 350a: welding member tip

400: seating portion 410: vacuum seating plate

411: vacuum seating groove 411a: vacuum suction hole

420: seating fixing plate 600: cleaning part

610: abrasive member 620: abrasive member fixing plate

630: abrasive fixing member 700: main body

710: electronic device 720: control unit

800: display means 950: air discharge device

α °: angle S1: preparation step

S2: transfer step S3: first inspection step

S4: Settling step S5: Welding step

S5a: rotating step S5b: cleaning step
S6: second inspection step S7: extraction step

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The present invention relates to a battery pack automatic welding device and a method thereof.

In general, a certain amount of power is supplied through a battery for the operation of a portable electronic device such as a cellular phone.

A battery pack used in the electronic products as described above connects electrodes formed on the battery pack in series or in parallel to supply power suitable for the electronic products.

In the conventional battery pack electrode welding method, after placing the electrode in a predetermined battery pack, a welding operation is performed by spot welding, thereby connecting the predetermined electrodes to each other.

In the conventional battery pack welding method associated with such a technique, as shown in FIG. 1, a worker packs the battery pack 60 transferred through the conveying conveyor to the seating jig 50 of the welder body 10 by manual labor. By the operation of operating the foot switch 40, the spot welding machine 30 connected to the lifting and lowering cylinder 20 is lowered to perform welding of the electrode 62 formed on the upper part of the battery pack 60. It is formed in a configuration to be.

However, the battery pack to weld the electrode as described above, the welding operation of the electrode of the battery pack interposed between the electrode is performed poorly, as well as the poor quality of the welded battery pack, as well as uneven welding As a result, defective products frequently occur.

In addition, the voltage measurement of the battery pack is made manually by a separate functional inspection device, and the welding of the electrode is also made manually by a manual spot welder, thus requiring a large number of workers.

As a result, unnecessary labor is consumed, and this loss of labor is a factor in raising product costs.

Then, each worker carries out the functional inspection work of the battery pack, the jig fixing work of the battery pack, and the electrode welding work in a specialized manner to transfer the finished battery pack to the next process or weld the battery pack accommodated in the jig There is a problem that the work efficiency is lowered because it must be transferred to the process one by one.

In addition, the welding operation of the battery as described above is made by manual labor, there is a lot of problems, such as extremely low workability and productivity.

 The object of the present invention devised in view of the above problems is that when welding the electrodes interposed in the battery pack of the portable electronic device to automate the work process for this to perform a uniform work process to reduce unnecessary labor loss The present invention provides a battery pack automatic welding device and a method for preventing the damage and shortening the working time to improve work efficiency.

The battery pack automatic welding device of the present invention for achieving the above object is a main body, an incoming conveyor for supplying a battery pack is installed on one side of the main body and a predetermined electrode is installed, and is installed a predetermined distance from the incoming conveyor, the battery A battery pack is provided on the inlet conveyor, having a vacuum seating device having a predetermined size to form a vacuum when the pack is seated, and a vacuum seating device having a groove having a predetermined depth, and a vacuum seating plate for fixing and supporting the vacuum seating device. Receives the receiving portion to be received and seated on the upper surface, and installed on both sides of the seating portion, a plurality of welding members for welding a predetermined electrode formed in the battery pack, a welding member fixing jig for holding the welding member and the Rotating cylinder and the welding member height providing a predetermined rotation to the operating shaft extending to the welding member fixing jig A welding member extending to the working shaft and connected to the rotating shaft to horizontally move the jig, and simultaneously welding electrodes installed on both sides of the battery pack vacuum-absorbed to the seating portion; A cleaning part which is in contact with an end portion and is subjected to a lifting and lowering operation, a drawing conveyor which is installed at a predetermined distance from the drawing conveyor and receives and ships the battery pack after welding is finished through the welding part, A transfer part body having a guide hole, a transfer means body moving along the transfer part body, and an operation bar installed on the transfer means body and connected to the operation bar to vacuum up and down the battery pack connected to the operation bar. By picking up the battery pack from the incoming conveyor to the seating portion and And a transfer unit for transferring the welded battery pack through the welding unit to the drawing conveyor, and a control unit installed at a predetermined position of the main body to control the operation of each component.
Here, the operation bar is further provided with a test piece for contacting the electrode of the battery pack adsorbed on the vacuum adsorption member to measure the voltage of the battery pack, and display means for displaying the voltage value measured by the test piece It is preferable to be installed as.
The cleaning unit may move horizontally while receiving a predetermined power and move the plurality of polishing members for fixing the welding member of the seating portion, the plurality of polishing member fixing plates and the polishing member fixing plates formed to attach the polishing members to each other. It is preferable that it is composed of an abrasive fixing member for operating.
In addition, the plurality of polishing member fixing plates are installed on the polishing fixing member to move horizontally, respectively, it is preferable to be installed to return to the original position.
On the other hand, the cleaning unit may be further provided with an air discharging device is formed in the upper portion of the welding portion to discharge the air formed a predetermined pressure to remove foreign substances of the welding member.
The battery pack automatic welding method of the present invention for achieving the above object is a preparatory step of transferring a battery pack with a predetermined electrode to the suction position through the inlet conveyor, and vacuum transfer of the battery pack located in the suction position A transfer step of vacuum suction of the suction member, a first test step of inspecting a voltage value of the battery pack drawn in the transfer step through a test piece, and a transfer of the battery pack transferred through the vacuum suction member to a seating part; A seating step of seating, a welding step of simultaneously welding the battery pack seated in the seating step by welding parts provided on both sides of the seating part, and during and after welding a predetermined number of battery packs through the welding part; The foreign substances of the welding members are removed by the vacuum air discharged from the air ejection apparatus, and the image of the welding portion is removed by the polishing member. A cleaning step of welding the welding members, and a plurality of the welding members installed in the welding part are rotated at a predetermined angle so as not to be adhered to the welding part after welding the battery pack, and the welding of the battery pack is completed. And a second inspection step of inspecting a state through the inspection piece, and a take-out step in which the battery pack, which has been welded in the second inspection step, is transferred to the withdrawal conveyor through the transfer means and taken out.
Hereinafter, a preferred embodiment of the battery pack automatic welding device of the present invention configured as described above will be described in more detail based on the accompanying drawings.

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Figure 2 is a perspective view showing the overall configuration of the automatic welding device of the battery pack of the present invention, Figure 3 is a side cross-sectional view of the automatic welding device of the battery pack of the present invention, Figure 4 is an automatic welding device of the present invention, the battery Side cross-sectional view showing a conveying portion for entering or withdrawing the pack, Figure 5 is a plan view showing the conveying portion and the seating portion and the welding portion of the automatic welding device of the present invention, Figure 6 shows the operating state of the welding portion of the automatic welding device of the present invention 7 is a front view illustrating an operating state of the welding unit illustrated in FIG. 6, and FIG. 8 is a perspective view illustrating a welding state of the battery pack in the battery pack automatic welding device of the present invention, and FIG. 9 is illustrated in FIG. 8. A perspective view showing a state in which the welding member of the welded portion is cleaned.

Automatic battery pack welding device of the present invention as shown in Figure 2 and the main body 700; An introduction conveyor 110 installed at one side of the main body 700 to supply a battery pack 200 in which a predetermined electrode 210 is installed; A seating unit 400 installed at a predetermined distance from the inlet conveyor 110 to receive the battery pack 200 supplied on the inlet conveyor 110 and to be seated on an upper surface thereof; A welding part 300 installed at both sides of the seating part 400 and simultaneously welding electrodes 210 installed at both sides of the battery pack 200 vacuum-absorbed to the seating part 400; A drawing conveyor (130) installed at a predetermined distance from the drawing conveyor (110) to receive and ship the battery pack (200) that is finished welding through the welding part (300); The battery pack 200 is installed on the main body 700 and is picked up from the inlet conveyor 110 to be transported to the seating part 400, and the welded battery pack 200 is welded through the welding part 300. Transfer unit 100 for transferring to the withdrawal conveyor 130; And a controller 720 installed at a predetermined position of the main body 700 to control the operation of each component.

Here, the transfer unit 100 is installed in the transfer unit body 160 having the transfer guide hole 101 and the transfer means body 123 moving along the transfer unit body 160 and the transfer means body 123 to win. An operation bar 121 for lowering driving and a vacuum adsorption member 122 connected to the operation bar 121 to suck the battery pack 200 in vacuum.

In addition, the operation bar 121 further includes a test piece 125 contacting the electrode 210 of the battery pack 200 adsorbed to the vacuum adsorption member 122 to measure the voltage of the battery pack 200. Is installed.

In addition, the seating unit 400 is a vacuum in which the hole 411a having a predetermined size and a groove 411 having a predetermined depth are formed to form a vacuum when the battery pack 200 is seated, as shown in FIG. 3. A seating device 410 and a vacuum seating plate 420 fixedly supporting the vacuum seating device 410 are formed.

Furthermore, the welding part 300 includes a plurality of welding members 350 for welding a predetermined electrode 210 formed in the battery pack 200 and the welding member 350 as shown in FIGS. 3 and 5. Rotating cylinder 320 and the welding member fixing jig 310 which provide a predetermined rotation to the fixed support welding member fixing jig 310 and the operating shaft 321 extending to the welding member fixing jig 310. It includes a rotating member 350 extending to the working shaft 321 and connected to the rotating shaft 330a so as to move horizontally.

Here, the display means 800 shown in FIG. 2 for displaying the voltage value measured by the test piece 125 is additionally installed.

In addition, a cleaning unit 600 that is in contact with an end of the welding member 350 and performs a lifting operation as shown in FIG. 8 is provided below the welding unit 300.

In addition, the cleaning part 600 includes a plurality of polishing members 610 for polishing the welding member 350 of the seating part 400 and a plurality of polishing member fixing plates 620 formed to attach the polishing members 610. And a polishing fixing member 630 which moves the polishing member fixing plate 620 horizontally with a predetermined power and moves up and down.

Here, the plurality of polishing member fixing plates 620 are installed on the polishing fixing member 630 and moved horizontally, respectively.

In addition, the cleaning unit 600 is further provided to the air discharge device 950 is formed on the welding portion 300 to discharge the air formed a predetermined pressure to remove the foreign matter of the welding member 350.

Next will be described the operation of the automatic battery pack welding device of the present invention having the above configuration.

2 to 5 and 10, the preparation step (S1) following the preparation step (S1) to transfer the battery pack 200, the predetermined electrode 210 is installed to the suction position through the inlet conveyor 110. In the battery pack 200 located at the suction position in the transfer means is moved to the position is subjected to the transfer step (S2) for the vacuum suction member 122 of the transfer means 120 to vacuum suction.

Here, the preparing conveyor 110 is installed on one side of the upper portion of the main body 700 so as to seat the battery pack 200 in a state in which a predetermined electrode 210 is fixed to both sides thereof. Receiving a predetermined signal from the control unit 720 in order to vacuum the battery pack 200 transferred to the vacuum suction position of the upper portion of the incoming conveyor 110 through the (S1) through the vacuum adsorption member 122 It proceeds to the transfer step (S2) that is in progress.

Here, the operation of the transfer means 120 will be described in detail.

The conveying means 120 has a conveying means body 123 having a working bar 121 and a vacuum suction member 122 having a predetermined length on the conveying body 160 and having a predetermined depth at upper and lower portions thereof. Guided by 101 to move to the place where the battery pack 200 on the top of the incoming conveyor (110).

In addition, the movement of the transfer means body 123 is moved by a predetermined length through the lag 150 connected to the transfer unit body 160 and the transfer means body 123.

As described above, the transfer means 120 moved to the vacuum suction position performs the lowering operation of the operation bar 121 configured in the body 123.

In addition, the vacuum adsorption member 122 installed at the lower portion of the operation bar 121 is fixed to form a vacuum when attached to the surface of the battery pack 200 through the vacuum hole 122a formed in the body.

Therefore, the operation bar 121 is lowered and the vacuum adsorption member 122 installed at the lower portion thereof adsorbs and fixes the battery pack 200, and then the operation bar 121 again performs an upward operation to transfer to the next process. do.

Following the transfer step (S2), the test piece 125 installed in the transfer means 120 is in contact with the electrode 210 of the battery pack 200 to measure the voltage of the battery pack 200 to screen the good or bad To go through the first inspection step (S3).

The voltage value measured by the test piece 125 is displayed on the predetermined electronic device 710 through the control unit 720, and the worker is notified through an alarm when it is determined to be defective.

When it is determined that the product is good after the first inspection step S3, the simultaneous conveying means body 123 performing the ascending operation of the operation bar 121 as described above in order to perform the following process is the conveying means guide hole 101. The horizontal movement operation is performed again, and the moved position is a seating step (S4) of moving the battery pack 200 to a position above the seating portion 400 for vacuum seating on the seating portion 400. Leads to.

Here, the operation is performed in a series of operations through a predetermined signal in a state that is pre-programmed in the controller 720.

The operation of seating on the seating unit 400 by the operation of the operation bar 121 is as follows.

 The conveying means body 123 in which the operation bar 121 is raised in the state in which the battery pack 200 is vacuum-adsorbed is moved to a position above the seating unit 400 located at the center of the body 700, and the seating unit 400. After the positioning to the upper side, the operation bar 121 of the transfer means body 123 again performs the lowering operation.

In addition, in the state where the battery pack 200 is vacuum-adsorbed to the vacuum adsorption member 122, the operation bar 121 is lowered to the upper portion of the vacuum seating device 410 of the seating part 400, and thus the battery pack 200 is provided. The seat is seated on the upper surface of the vacuum seating device 410 of the seating unit 400 and is seated in a state in which a vacuum is formed through a hole 411a formed in the groove 411 having a predetermined depth.

Next, after the battery pack 200 passes through the seating step (S4) to be seated on the upper portion of the vacuum seating device 410, the battery pack 200 by the welding unit 300 is installed corresponding to both sides of the seating portion 400 The welding step (S5) of performing a welding operation on the electrode 210 of the.

 The welding state of the battery pack 200 when welded through the welding unit 400 is lowered while being adsorbed by the vacuum adsorption member 122 of the operation bar 121 and is simultaneously seated on the vacuum seating device 410 to vacuum. That is, the upper surface of the battery pack 200 is fixed to the suction by the vacuum adsorption member 122, the lower surface is supported by the groove 411 of the seating portion 400 is supported by the seating portion ( The welding operation is performed through the welding part 300 installed at both sides of the 400.

Referring to Figure 4 to 8 will be described the operation of the welding unit 300 for welding a predetermined electrode 210 installed to correspond to both sides of the battery pack 200 in a state where the welding operation is prepared as described above.

As described above, the welding parts 300 formed to correspond to each other to weld the electrodes 210 on both sides of the battery pack 200 seated and supported on the vacuum seating plate 410 of the seating part 400 are each electrode 210. Weld the battery pack 200 is installed.

First, the predetermined signal generated from the controller 720 is moved by the front and rear movement of the rotating member 330 installed on the rotating shaft 330a, the rotating cylinder 320 is moved horizontally forward and backward.

In addition, the rotation cylinder 320 is connected by the operating shaft 321, the welding member fixing jig 310 is installed on the front end of the operating shaft 321, the welding member fixing jig 310 is two welding members ( 350 is engaged.

As the rotation member 330 moves forward as described above, the operation shaft 321 connected to the rotation cylinder 320 moves toward the electrode 210 of the battery pack 200, and thus, the welding member fixing jig 310 is provided. Welding is performed by contacting the electrode 210 of the battery pack 200 installed in the) immediately after the welding, the welding member 350 is rotated to form a predetermined direction and form a predetermined angle (α °) It goes through step S5a.

That is, the welding member 330 immediately after welding the electrode 210 installed on both sides of the battery pack 200, the welding member 350 is installed corresponding to the seating portion 400, as shown in Figure 7b The welding member 350 is separated from the electrode 210 while maintaining the stock stopping jig 310 at a predetermined angle α °.

Thereafter, the welding member fixing jig 310, in which the welding member 350 is fixedly installed as described above, is rotated backward by the rotation member 330 in a state of being rotated at a predetermined angle (α), that is, in the original position before the welding operation. It is moved to, and at the same time the welding member fixing jig 310 maintains a horizontal state again through the rotation operation of the rotation cylinder (320).

Referring to FIG. 8, after the welding step S5 is completed, the battery pack 200 is welded to the drawing conveyor 130 through the second inspection step S6 and the extraction step S7 shown in FIG. 10. It is seated and taken out.

In addition, after the welding operation is finished a predetermined number of times in the welding step (S5), the front end of the welding member 350 by the cleaning unit 600 formed under the welding member 350 of the welding part 300 It goes through a cleaning step (S5b) for polishing (350a).

This is because the electrode 210 is welded due to wear or dirty of the tip portion 350a of the welding member 350 after a predetermined number of times of welding the electrode 210 using the welding member 350 in the welding step S5a. Since it may cause a defect, cleaning work such as removing foreign matters and polishing work of the tip portion 350a of the welding member 350 is required.

In FIG. 9, the front end portion 350a of the welding member 350 installed on one side of the welding portion 300 installed corresponding to both sides of the seating portion 400 is cleaned and polished, and the cleaning portion 600 is polished. It is installed to be orthogonal to the weldable part 300 which can move horizontally horizontally, and performs a lifting operation.

After a predetermined number of welding times, the air discharging device 950 installed on the upper part of the welding part 300 injects air, which maintains a constant pressure, to the tip end portion 350a of the welding member 350, thereby discharging the tip end portion of the welding member 350. Foreign matter formed in 350a) is removed.

After the foreign matter is removed, the polishing fixing member 630 is raised by the operation of the lifting shaft (not shown), so that the tip portion 350a of the welding member 350 is in contact with the polishing member 610, respectively.

Therefore, the front end portion 350a of the welding member 350 is in sliding contact with the raised polishing member 610 so that the front end portion 350a of the welding member 350 is polished, and when the lowering operation is performed, Similarly, regrind.

Here, when the two welding members 350 have different lengths, the two welding members 350 may be horizontally moved from the upper portion of the polishing fixing member 630 and the respective polishing member fixing plates 620 may be returned to their original positions. All can be polished.

Next, after finishing the polishing of the cleaning unit 600, a predetermined sensor (not shown) detects the wear of the welding member 350. Such a sensor (not shown) determines the replacement time of the welding member 350 by detecting the wear degree of the welding member 350.

On the other hand, including the cleaning step (S5b) in the state of completing the welding step (S5) undergoes a second inspection step (S6) to check the voltage of the battery pack 200 before taking out.

Here, the second inspection step (S6) will be described as follows.

The battery pack 200 fixed and supported by the seating unit 400 is finished, and the vacuum formed in the vacuum seating groove 411 of the seating unit 400 is lost. Immediately, the operation bar 121 is a vacuum absorbing member ( The vacuum of 122 performs an ascending operation in a state where it is formed.

The test piece 125 installed on one side of the simultaneous conveying means 120 performing the lifting operation is brought into contact with the electrode 210 of the battery pack 200 in which the welding is completed, and the voltage of the battery pack 200 after contacting. The inspection is performed to display on the display means 800 through the control unit 720.

That is, the test piece 125 formed on the conveying means 120 immediately comes into contact with the electrode 210 of the welded battery pack 200 as soon as the lifting operation of the operation bar 121 is performed, and the battery pack immediately contacts the battery pack ( The welding state of the 200 is inspected to be good or bad, and is interlocked with a predetermined electronic device 710 to measure a voltage value of the battery pack 200 and display the same on the display means 800.

After measuring the voltage and selecting the failure, if a failure occurs a predetermined alarm to alert the worker that the failure.

However, when it is determined that the good quality after the inspection by the test piece 125, the battery pack 200 adsorbed to the vacuum adsorption member 122 is raised in the adsorbed state, withdrawal installed on one side of the main body 700 The transfer means body 123 is moved through the transfer guide hole 101 to the seating position of the conveyor 130.

After that, the take-out step (S7) for taking out the withdrawal conveyor 130, the process is as follows.

The conveying means body 123 moved to the withdrawal position is seated at the withdrawal position of the withdrawal conveyor 130, while the operation bar 121 moves downward, while the battery pack 200 adsorbed to the vacuum adsorption member 122 is moved. The vacuum formed in the simultaneous vacuum suction member 122 is lost.

Thus, the battery pack 200, which is finished at the welding operation and seated at the withdrawal position of the withdrawal conveyor 130 by the transfer means 120, is transported to perform the next process.

As described above, according to the battery pack automatic welding device of the present invention, in order to weld the electrodes of the battery pack, the battery pack voltage is first inspected when it is drawn into the welding position, and then transported to the seating position and vacuum seated. Weld through welding means installed correspondingly on both sides of the seat, weld using two welding members, withdraw after welding by vacuum adsorption, check the voltage of the battery pack again, and withdraw the conveyor Let's do it. Therefore, by performing the uniform work by automating the welding process of the battery pack as described above there is an effect that can prevent the loss of unnecessary labor and at the same time shorten the working time to increase the work efficiency.

In addition, if the above welding process is performed for a predetermined number of times or more, the cleaning member formed by the diamond of the cleaning part contacts the sliding contact to polish the welding member and performs cleaning, thereby minimizing the loss of the product due to welding defects during the electrode welding of the battery pack. have.

Claims (13)

main body; An introduction conveyor installed at one side of the main body to supply a battery pack having a predetermined electrode; A predetermined distance is installed from the inlet conveyor, and a hole having a predetermined size is formed to form a vacuum when the battery pack is seated, and a vacuum seating device having a groove having a predetermined depth and a vacuum seating plate for fixing and supporting the vacuum seating device. By receiving the battery pack supplied on the incoming conveyor seating portion for mounting on the upper surface; It is installed on both sides of the seating portion, a plurality of welding members for welding a predetermined electrode formed in the battery pack, a welding member fixing jig for holding the welding member and the operation shaft extending to the welding member fixing jig predetermined predetermined A welding cylinder for welding the electrodes installed on both sides of the battery pack vacuum-adsorbed to the seating unit, having a rotating cylinder providing rotation of the rotating member and a rotating member extending to the working shaft and connected to the rotating shaft to horizontally move the welding member fixing jig. ; A cleaning part contacting an end portion of the welding member under the welding part to perform a lifting operation; A drawing conveyor installed at a predetermined distance from the drawing conveyor to receive a battery pack that is finished welding and to be shipped; The battery pack is connected to the operation bar, which is installed on the main body, and is connected to the operation bar and the operation bar installed on the transfer means body and the transfer means body and the transfer means body which move along the transfer part body and the drive means body having a transfer guide hole. A transport unit having a vacuum adsorption member for vacuum adsorption, for transporting the battery pack from the inlet conveyor to the seating unit and transferring the welded battery pack through the welding unit to the outlet conveyor; And Battery pack automatic welding device characterized in that it comprises a control unit installed at a predetermined position of the main body to control the operation of each component. According to claim 1, The operation bar is further provided with a test piece for contacting the electrode of the battery pack adsorbed on the vacuum adsorption member to measure the voltage of the battery pack, and displays the voltage value measured by the test piece Battery pack automatic welding device, characterized in that the display means is additionally installed. The method of claim 1, wherein the cleaning unit is a plurality of polishing member for polishing the welding member of the seating portion and the plurality of polishing member fixing plate formed to attach the polishing member and the polishing member fixing plate to move horizontally with a predetermined power and In addition, the battery pack automatic welding device, characterized in that composed of a grinding fixing member to make the lifting and lowering operation. 4. The automatic battery pack welding device according to claim 3, wherein the plurality of polishing member fixing plates are installed on the polishing fixing member and moved horizontally, respectively, to be returned to their original positions. The automatic battery pack welding device according to claim 1, wherein the cleaning unit further includes an air discharge device formed on the welding unit to discharge air having a predetermined pressure to remove foreign substances from the welding member. A preparation step of transferring a battery pack having a predetermined electrode to an adsorption position through an introduction conveyor; A transport step of vacuum sucking the battery pack positioned at the suction position by a vacuum suction member of a transfer means; A first inspection step of inspecting a voltage value of the battery pack introduced in the transfer step through a test piece; A seating step of mounting the battery pack transferred through the vacuum suction member to a seating part; A welding step of simultaneously welding the battery pack seated in the seating step by welding parts provided at both sides of the seating part; A plurality of welding members installed in the welding part, after welding the battery pack, rotating the battery at a predetermined angle so as not to adhere to the welding part; During or after welding a predetermined number of battery packs through the welding part, foreign substances of the welding members are removed by a vacuum air discharged from an air ejection apparatus, and the welding members are polished by the polishing member. Cleaning step; A second inspection step of inspecting a state of the battery pack after the welding through the inspection piece; And The battery pack automatic welding method comprising a take-out step of the battery pack is finished in the second inspection step is transferred to the take-out conveyor through the transfer means and taken out. delete delete delete delete delete delete delete

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