CN208614049U - A kind of sealing nail welding detection system - Google Patents

Abstract

The utility model relates to field of battery production, disclose a kind of sealing nail welding detection system, comprising: positioning mechanism, welding mechanism and testing agency；The positioning mechanism is located at the side of the welding mechanism, is placed on the rigging position that nail is sealed on battery for that will seal to follow closely；The welding mechanism includes: the first driving part, plumb joint and protection equipment；The connecting pin of the plumb joint can be rotatably set in the motion end of first driving part；The connecting pin of the protection equipment is connected with the laser issuing side of the plumb joint, for blowing protective gas to weld；And the protection equipment and the plumb joint are coaxially disposed；Whether the welding that the testing agency is used to detect the sealing nail is qualified.Sealing nail welding detection system provided by the utility model accurate can will seal rigging position of the nail welding on battery, improve sealing and bind the qualification rate matched.

Description

A kind of sealing nail welding detection system

Technical field

The utility model relates to field of battery production, more particularly to a kind of sealing nail welding detection system.

Background technique

Laser welding is the local heating carried out using the laser pulse of high-energy to material in tiny area, laser emission Energy by heat transfer to the inside of material spread, specific molten bath is formed after material is melted to achieve the purpose that welding.

In the prior art, when being welded to battery, firstly, indentation electrolyte is followed closely in sealing by the way of setting manually Inlet；Then, sealing nail is welded using method for laser welding, that is, laser is vertical with battery cover board to be welded；Weldering After the completion of connecing, battery factory.Existing cell sealing nail welding method, there are inconvenient, sealing nail welding inaccuracy, efficiency The problems such as low, thus the problem for causing factory battery quality poor.

Utility model content

(1) technical problems to be solved

The purpose of the utility model is to provide a kind of sealing nail welding detection systems, it is intended at least the solution prior art or phase One of technical problem present in the technology of pass.

(2) technical solution

In order to solve the above-mentioned technical problem, the utility model provides a kind of sealing nail welding detection system, comprising: localization machine Structure, welding mechanism and testing agency；The positioning mechanism is located at the side of the welding mechanism, is placed on electricity for that will seal nail The rigging position of nail is sealed on pond；The welding mechanism includes: the first driving part, plumb joint and protection equipment；The welding The connecting pin of head can be rotatably set in the motion end of first driving part；The connecting pin of the protection equipment and the weldering The laser issuing side of connector is connected, for blowing protective gas to weld；And the protection equipment is coaxially set with the plumb joint It sets；Whether the welding that the testing agency is used to detect the sealing nail is qualified.

Wherein, the positioning mechanism includes: sucker, the second driving part and First look setting element；The sucker is used It is followed closely in drawing sealing, and sealing nail is placed to the rigging position；The First look setting element is for obtaining electricity The rigging position of nail is sealed on pond；Second driving part respectively with the First look setting element and the sucker phase Even, the rigging position of the sealing nail for being obtained according to the First look setting element, drives the sucker to be moved to described Seal the rigging position of nail.

Wherein, first driving part includes: the first driving element, the second driving element and third driving element；Institute It states the first driving element to be arranged vertically with second driving element, and the connecting pin of second driving element and described first The motion end of driving element is connected, so that first driving element drives second driving element to move in the X-axis direction；Institute It states third driving element to be mutually perpendicular to arrange with second driving element and first driving element respectively, and the third The connecting pin of driving element is connected with the motion end of second driving element, so that second driving element driving described the Three driving elements are moved along Z-direction；The rotatable company of motion end of the connecting pin of the plumb joint and the third driving element It connects.

Wherein, the welding mechanism further include: the first fixed plate；One end of first fixed plate and the third drive The motion end of element is connected；The other end of first fixed plate offers at least one arc groove, and the arc groove is described in The thickness direction of first fixed plate runs through first fixed plate；One end of first fixed plate is opposite with the other end；It is described The connecting pin of plumb joint is equipped at least one through-hole, and the through-hole is corresponding with the position of the arc groove；Fastener is successively worn The through-hole and the arc groove are crossed, so that the plumb joint is detachably connected with first fixed plate realization.

Wherein, the testing agency includes: the second vision positioning element；The connecting pin of the second vision positioning element with The motion end of the third driving element is connected.

Wherein, the testing agency further include: the comparison module being connected with second vision element；The comparison module Inside it is stored with qualified weld image；Second vision element is connected with the welding mechanism, for obtaining the sealing nail Weld image；The comparison module be used for weld image that second vision element is obtained and the qualification weld image into Row compares.

Wherein, the testing agency further include: the judgment module being connected with second vision element；Second vision Element is connected with the positioning mechanism, for obtaining the image for being placed with the battery of the sealing nail；The judgment module is used for Judge the number in the Circle in Digital Images shape region for the battery that second vision element obtains.

Wherein, the protection equipment includes: ventilation pipeline section and smoking pipeline section；The connecting pin of the ventilation pipeline section and the weldering The laser issuing side of connector is connected, and gas outlet is opposite with the surface of the welded workpiece；The ventilation pipeline section is equipped with and institute State the air inlet pipe that gas outlet communicates；And the ventilation pipeline section and the plumb joint are coaxially disposed；The smoking pipeline section is set in institute It states outside ventilation pipeline section, the shape of the smoking pipeline section is pyramid type, and the diameter of the cross section of the smoking pipeline section is along described logical The flow direction of gas is gradually increased in tracheae section；The smoking pipeline section surface opposite with the welded workpiece is equipped with multiple Smoking mouth, the circular conical surface of the smoking pipeline section are connected with the smoke extracting tube being connected to the smoking mouth.

Wherein, the smoking pipeline section surface opposite with the welded workpiece is arranged in honeycomb in the smoking mouth.

Wherein, the angle between the smoke extracting tube and the central axis of the smoking pipeline section is 30 ° -60 °.

(3) beneficial effect

A kind of sealing nail welding detection system provided by the utility model drives plumb joint and guarantor by the first driving part Equipment moving is protected, so that plumb joint and protection equipment can be moved to place to be welded according to the actual situation, improves welding efficiency With the accuracy of welding；And plumb joint is rotatably provided in the motion end of the first driving part so that plumb joint can always with to The surface of welding workpiece keeps certain angle, and then realizes oblique weld, avoids high anti-damage laser etc., improves welding Reliability；In the laser issuing side setting protection equipment 33 of plumb joint, then while carrying out laser welding, guarantor is blown to weld Gas is protected, welding quality and solder yield are improved, meanwhile, which can also effectively prevent flue dust and plasma to fly Spatter loss bad eyeglass etc., to extend the service life of eyeglass；And after the welding for completing sealing nail, testing agency is to sealing Whether qualification is detected for welding, improves the qualification rate of finished battery.

Detailed description of the invention

Fig. 1 is the explosion of a preferred embodiment of the positioning mechanism in the utility model sealing nail welding detection system Figure；

Fig. 2 is the structural schematic diagram of a preferred embodiment of positioning mechanism shown in FIG. 1；

Fig. 3 is the positional relationship of the middle First look setting element of positioning mechanism shown in FIG. 1, camera light source and sucker Figure；

Fig. 4 is the explosion of a preferred embodiment of the welding mechanism in the utility model sealing nail welding detection system Figure；

Fig. 5 is the structural schematic diagram of welding mechanism shown in Fig. 4；

Fig. 6 is the position of the through-hole in welding mechanism shown in Fig. 4 in fixed plate on the connecting pin of arc groove and laser head Relational graph；

Fig. 7 is the structural schematic diagram that equipment is protected in welding mechanism shown in Fig. 4；

Fig. 8 is the three-dimensional structure diagram of protection equipment shown in Fig. 7；

Fig. 9 is that the structure of a preferred embodiment of the testing agency in the utility model sealing nail welding detection system is shown It is intended to；

In figure, the first mounting base of 1-；2- backing plate；3- pushing block；The first cylinder of 4-；5- buffer box；6- the second drag chain bottom plate； The 5th driving element of 7-；8- the first drag chain bottom plate；The second drag chain of 9-；10- buffer；The first drag chain of 11-；The second fixed plate of 12-； 13- third fixed plate；14- sucker；15- camera light source；The first sliding rail of 16-；The 4th driving element of 17-；The second sliding rail of 18-；19- First look setting element；20- spring；The 4th fixed plate of 21-；The first fixed plate of 22-；23- connecting plate；24- support；25- Two mounting bases；26- pinboard；27- arc groove；28- through-hole；29- laser head；The first driving element of 30-；31- second drives member Part；32- third driving element；33- protects equipment；34- ventilation pipeline section；35- smoking pipeline section；36- air inlet pipe；37- smoke extracting tube； 38- smoking mouth；39- the second vision positioning element；40- comparison module；41- judgment module.

Specific embodiment

With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below Example is not intended to limit the scope of the present invention for illustrating the utility model.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on the figure Or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning or Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model System.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include at least one this feature.The meaning of " plurality " is at least two, such as two in the description of the present invention, It is a, three etc., unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be Mechanical connection is also possible to be electrically connected or can communicate each other；It can be directly connected, the indirect phase of intermediary can also be passed through Even, the connection inside two elements or the interaction relationship of two elements be can be, unless otherwise restricted clearly.For this For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.

It includes: positioning mechanism, welding mechanism and testing agency that the utility model, which provides a kind of sealing nail welding detection system,； Positioning mechanism is located at the side of the welding mechanism, is placed on the rigging position that nail is sealed on battery for that will seal to follow closely；Laser Welder includes the first driving part, plumb joint and protection equipment 33；The connecting pin of plumb joint can be rotatably set in first The motion end of driving part, so that plumb joint can be swung in perpendicular；Protect the connecting pin of equipment 33 and swashing for plumb joint Light issuing side is connected, for blowing protective gas to weld；And protection equipment 33 and plumb joint are coaxially disposed；Testing agency is used for Whether the welding of detection sealing nail is qualified.

Specifically, it as long as positioning mechanism can will seal the rigging position of nail in sealing nail placement to battery, can set In the either side of welding mechanism, and positioning mechanism may be any mechanism.As shown in Figure 4 and Figure 5, the first driving part can drive Dynamic plumb joint and protection equipment 33 move simultaneously, for example, first driving part is servo motor or servo slide table.And plumb joint Connecting pin can be rotatably set in the motion end of the first driving part, then plumb joint can be swung in perpendicular, that is, be welded The surface of laser and welded workpiece that hair goes out can be at an acute angle, that is, realizes inclination weldering；For example, the motion end of the first driving part Connection relationship with the connecting pin of plumb joint is to be detachably connected, then while the driving plumb joint movement of the first driving part； It can be by adjusting the rotation angle of plumb joint, so that plumb joint remains heeling condition in the welding process, even if weldering The laser that connector issues is at an acute angle with the surface of welded workpiece always, realizes oblique weld, avoids laser in welding process The phenomenon that welded workpiece is burnt out.

And the laser issuing side connection protection equipment 33 in plumb joint, for example, the connection relationship of the two is to be fixedly connected Or it is detachably connected；If the connection relationship of the two is to be detachably connected, more convenient protection equipment 33 can be separated with plumb joint, To clean plumb joint and/or protection equipment 33.And by the laser issuing side setting protection equipment 33 in plumb joint, so that weldering For connector while welding to welded workpiece, protection equipment 33 blows protective gas to weld, for example, protection equipment 33 The protective gas of blowout is inert gas, for example, the inert gas is nitrogen or argon gas etc..Then the protective gas can prevent from welding Oxidation improves welding quality and solder yield；Meanwhile the protective gas can also effectively prevent flue dust and plasma splashing damage Bad eyeglass etc., to extend the service life of eyeglass.

And after plumb joint completes the welding to sealing nail, whether the welding of testing agency's detection sealing nail is qualified, example Such as, the weldquality of testing agency's detection sealing nail.The underproof electricity of weldquality that can be then followed closely sealing by testing agency Pond is rejected, and the qualification rate of finished battery is improved.

In the present embodiment, by the first driving part drive plumb joint and protection equipment 33 move so that plumb joint and Protection equipment 33 can be moved to place to be welded according to the actual situation, improve the accuracy of welding efficiency and welding；And it welds Head is rotatably provided in the motion end of the first driving part, so that plumb joint can keep certain with the surface of welded workpiece always Angle, and then realize oblique weld, high anti-damage laser etc. is avoided, the reliability of welding is improved；In swashing for plumb joint Light issuing side setting protection equipment 33 blows protective gas to weld, improves welding quality while then carrying out laser welding And solder yield, meanwhile, which can also effectively prevent flue dust and plasma to splash and damage eyeglass etc., to extend mirror The service life of piece；And after the welding for completing sealing nail, whether qualification is detected for welding of the testing agency to sealing, Improve the qualification rate of finished battery.

Further, positioning mechanism includes: sucker 14, the second driving part and First look setting element 19；Sucker 14 It places for drawing sealing nail, and by sealing nail to rigging position；First look setting element 19 seals on battery for obtaining The rigging position of nail；Second driving part is connected with First look setting element 19 and sucker 14 respectively, for according to the first view Feel that the rigging position for the sealing nail that setting element 19 obtains, driving sucker 14 are moved to the rigging position of sealing nail.

Specifically, Fig. 1 is a preferred embodiment of the positioning mechanism that the utility model seals in nail welding detection system Explosive view；Fig. 2 is the structural schematic diagram of positioning mechanism shown in FIG. 1；Positioning mechanism include sucker 14, the second driving part and First look setting element 19.For example, the First look setting element 19 is CCD camera；It can then be taken pictures and be obtained by the CCD camera The rigging position that nail is sealed on battery is taken, for example, obtaining the side of rigging position of the battery with sealing nail by CCD camera Photo；Later, image analysis, since porose position is different with not having the gray scale of porose position, Jin Erke are carried out to the photo To get the rigging position for sealing nail on the photo.Certainly, First look setting element 19 can also take other modes to obtain Take the rigging position that nail is sealed on battery.

Since the second driving part is connected with First look setting element 19, for example, the connection relationship of the two is electrical connection； And second driving part be connected with sucker 14；It is then got in First look setting element 19 and seals the assembly of nail on battery After position, the second driving part can drive sucker 14 to be moved to the rigging position of sealing nail, so that sucker 14 is close by thereon Envelope, which is bound, to be assigned on battery.

Further, the first driving part includes: the first driving element 30, the second driving element 31 and third driving element 32；First driving element 30 is arranged vertically with the second driving element 31, and the connecting pin of the second driving element 31 and the first driving The motion end of element 30 is connected, so that the first driving element 30 drives the second driving element 31 to move in the X-axis direction；Third driving Element 32 is mutually perpendicular to arrange with the second driving element 31 and the first driving element 30 respectively, and the connection of third driving element 32 End is connected with the motion end of the second driving element 31, so that the second driving element 31 drives third driving element 32 along Z-direction Movement；The connecting pin of plumb joint and the motion end of third driving element 32 are rotatably connected.

For example, the first driving element 30, the second driving element 31 and third driving element 32 are servo slide table, and first Driving element 30 arranges along the x axis, and the second driving element 31 is arranged along Z-direction, the cloth along the y axis of third driving element 32 It sets.For example, the connecting pin of the second driving element 31 is connected by support 24 with the slide unit of the first driving element 30, third driving member The connecting pin of part 32 is connected by connecting plate 23 with the slide unit of the second driving element 31；And connecting pin and the third of plumb joint The slide unit of driving element 32 is connected, for example, above-mentioned connection relationship is to be fixedly connected or be detachably connected, then can pass through first The mutual cooperation of driving element 30, the second driving element 31 and third driving element 32, to drive laser head 29 and protection equipment 33 is mobile in X-direction, Y direction and Z-direction, and laser head 29 and protection equipment 33 are moved at welded workpiece. I.e. on the basis of can adjust the tilt angle of plumb joint, accurate plumb joint can be moved at welded workpiece, be mentioned The automatization level of the high laser soldering device.

In addition, also the first driving element 30 can be fixed in the second mounting base 25 so that entire first driving part compared with Stablize, while can also make the first driving part that there is certain height.

Further, in conjunction with Fig. 5 and Fig. 6, the welding mechanism further include: the first fixed plate 22, the one of the first fixed plate 22 End is connected with the motion end of third driving element 32；The other end of first fixed plate 22 offers at least one arc groove 27, arc Shape slot 27 runs through the first fixed plate 22 along the thickness direction of the first fixed plate 22；One end of first fixed plate 22 and other end phase It is right；The connecting pin of plumb joint is equipped at least one through-hole 28, and through-hole 28 is corresponding with the position of arc groove 27；Fastener is successively worn Through-hole 28 and arc groove 27 are crossed, so that plumb joint is detachably connected with the realization of the first fixed plate 22.

For example, the material of the first fixed plate 22 is aluminium, the shape of the first fixed plate 22 is cuboid, then first is fixed One end of plate 22 and the other end can be the first fixed plate 22 along the both ends of the length direction of its own.By the first fixed plate 22 One end is connected with the motion end of third driving element 32, for example, the connection relationship of the two is to be fixedly connected or be detachably connected, For example, the long side of the first fixed plate 22 is connected by fasteners such as bolt and nuts with the motion end of third driving element 32；With Make third driving element 32 that the first fixed plate 22 be driven to move along the y axis.

And at least one arc groove 27 is opened up in the other end of the first fixed plate 22, for example, in the first fixed plate 22 The other end opens up two, three or four arc grooves 27 etc.；For example, the length of arc groove 27 correspond to quadrant, eight/ One circle or 1/16th circle etc., the i.e. length of arc groove 27 can need the range swung to set according to laser head 29, if swashing Shaven head 29 needs to swing in a big way, then can set longer by the length of arc groove 27；Alternatively, if laser head 29 is smaller It is swung in range, then can the length of arc groove 27 be set shorter.Correspondingly, it is arranged at least one in the connecting pin of plumb joint The quantity of a through-hole 28, the through-hole 28 is consistent with the quantity of arc groove 27, and the position phase of the position of through-hole 28 and arc groove 27 It is corresponding, through-hole 28 and arc groove 27 can be sequentially passed through by fastener, and plumb joint and the first fixed plate 22 are connected.And When needing to adjust the tilt angle of plumb joint, fastener can be unclamped, then rotate plumb joint, to change the through-hole on plumb joint 28 with the link position of arc groove 27, to achieve the purpose that the tilt angle for adjusting plumb joint.

In addition, pinboard 26 can also be arranged between the first fixed plate 22 and the connecting pin of laser head 29, and in pinboard At least one through-hole is set on 26, and the position of the through-hole is corresponding with the position of through-hole 28 on the connecting pin of laser head 29.For example, The material of pinboard 26 is carbon steel, and shape is cuboid；Then fastener sequentially passes through arc groove 27, the through-hole on pinboard 26 Through-hole 28 on the connecting pin of laser head 29, the first fixed plate 22, pinboard 26 and laser head 29 are linked together, into And enable the first driving part that the first fixed plate 22, pinboard 26 and laser head 29 is driven to move；And by adjusting switching The link position of arc groove 27 on through-hole on plate 26 and the through-hole 28 on the connecting pin of laser head 29, with the first fixed plate 22, And then adjust the tilt angle of laser head 29.

Further, testing agency includes: the second vision positioning element 39；The connecting pin of second vision positioning element 39 with The motion end of third driving element 32 is connected.For example, the second vision positioning element 39 is CCD camera, then second can be regarded by this Feel that setting element 39 gets the weld image of sealing nail, for example, the first driving element 30, the second driving element 31 and third are driven The mutual cooperation effect of dynamic element 32, adjusts the position of the second vision positioning element 39, so that the second vision positioning element 39 can More conveniently to get the weld image of sealing nail, and then whether the welding that sealing nail can be detected according to the weld image closes Lattice；For example, judging the weld seam in weld image with the presence or absence of stomata, burst point and/or fried fire according to the gray value of weld image； That is, the weld image of sealing nail is obtained using the second vision positioning element 39, for example, the acquisition of the second vision positioning element 39 is close The weld image of envelope nail is gray level image；If sealing the weld seam at nail there are stomata, burst point and/or frying fire, the gray level image The degree of the gray scale of middle gray scale and other positions there are at stomata, burst point and/or fried fire is significantly different；If sealing the weldering at nail Seam is met the requirements, then the gray scale degree of the gray level image everywhere is identical or is not much different.It then can be according to the gray value of weld image Judge the weld seam in weld image with the presence or absence of stomata, burst point and/or fried fire.And detected by the weld seam to sealing nail, And then the underproof battery of nail welding will be sealed and be judged to rejected product, improve the quality of factory battery.

In addition, if the weld image for the sealing nail that the second vision element 39 obtains is color image, it can be according to the colour Whether the rgb value of image is qualified to judge the weld seam at sealing nail.

Further, as shown in figure 9, testing agency further include: the comparison module 40 being connected with the second vision element 39；Than Compared with being stored with qualified weld image in module 40；Second vision element 39 is connected with welding mechanism, for obtaining the weldering of sealing nail Stitch image；Comparison module 40 is used to for the weld image that the second vision element 39 obtains being compared with qualified weld image.Example Such as, the second vision element 39 is connected with welding mechanism by sensor, then when sensor detects that welding mechanism is completed to sealing After the welding of nail, the second vision element 39 starts to obtain weld image.For example, weld image is gray level image or color image； Later, the qualified weld image of comparison module 40 will acquire weld image and storage compares；The similarity of the two is obtained, The weld is accepted if similarity of the two is more than 95%, in the weld image of the judgement acquisition of comparison module 40.And the qualification is welded Seam image is the weld image for sealing nail welding qualification, for example, the weld seam is equal through visual examination, ultrasonic examination, X-ray procedure It is qualified.The weld image for the sealing nail that will acquire by comparing module 40 is compared with qualified weld image, to judge to seal Whether the welding of nail qualified, can be improved judge to seal nail welding whether He Ge efficiency, while production line for manufacturing battery can also be improved The degree of automation.

Further, testing agency further include: the judgment module 41 being connected with the second vision element 39；Second vision element 39 are connected with positioning mechanism, for obtaining the image for being placed with the battery of sealing nail；Judgment module 41 is for judging the second vision The number in the Circle in Digital Images shape region for the battery that element 39 obtains.For example, the second vision element 39 passes through sensing with positioning mechanism Device is connected, and after sensor detects that positioning mechanism completes the assembly of sealing nail, the second vision element 39, which starts to obtain, to be placed with Seal the image of the battery of nail.For example, the second vision element 39 obtains the image for being placed with the rigging position of sealing nail；For example, dress Image with position is gray level image.Later, judgment module 41 starts to judge of the image inner circular region of the rigging position Number, if sealing nail is accurately placed in rigging position, sealing nail should be with rigging position in the image of the rigging position It is bonded well, i.e., only one border circular areas in the image of rigging position, the i.e. border circular areas are sealing nail and rigging position Region after cooperation；If sealing nail fails to be properly placed on rigging position, sealing nail inclination in the image of the rigging position Ground is placed in rigging position, i.e., may have multiple border circular areas in the image of rigging position, without border circular areas or can The region etc. of similar ellipse can occur.

Then judgment module 41 can judge the number of the Circle in Digital Images shape according to the gray value of the image of rigging position, in turn It is accurate to determine whether sealing nail is placed；Alternatively, judgment module 41 can also root if the image of the rigging position obtained is color image The number in the Circle in Digital Images shape region is judged according to the rgb value of the color image, and then it is accurate to determine whether sealing nail is placed.If Judgment module 41 judges only one border circular areas in the image, then according to the gray value or rgb value of the image of rigging position Illustrate that sealing nail is properly placed in rigging position, then the battery for being placed with sealing nail can be welded etc.；If judgement Module 41 judge to have in the image it is multiple round or have one it is non-circular, then illustrate that sealing nail fails to be properly placed on dress With in position, then the battery that will be placed with sealing nail is judged to rejected product, not with weld etc..

In addition, as depicted in figs. 1 and 2, the structure of second driving part can be include: the 4th driving element the 17, the 5th Driving element 7 and the 6th driving element；4th driving element 17 is arranged vertically with the 5th driving element 7, and the 5th driving element 7 Connecting pin be connected with the motion end of the 4th driving element 17 so that the 4th driving element 17 drive the 5th driving element 7 along X-axis Direction movement；6th driving element is mutually perpendicular to arrange with the 5th driving element 7 and the 4th driving element 17 respectively, and the 6th drives The connecting pin of dynamic element is connected with the motion end of the 5th driving element 7, so that the 5th driving element 7 drives the 6th driving element edge Y direction movement；Sucker 14 and vision positioning element pass through backing plate 2 and are connected with the motion end of the 6th driving element, so that the Six driving elements driving sucker 14 and vision positioning element are moved along Z-direction.For example, the 4th driving element 17 and the 5th is driven Dynamic element 7 is servo motor, and the 6th driving element is the first cylinder 4, then the 4th driving element 17 is arranged along the x axis, the Five driving elements 7 arrange along the y axis, and the 6th driving element is arranged along Z-direction, and the motion end of the 4th driving element 17 with The connecting pin of 5th driving element 7 is connected, and the motion end of the 5th driving element 7 is connected with the 6th driving element, for example, above-mentioned Connection relationship is to be fixedly connected or be detachably connected.

And First look setting element 19 can be connected with the motion end of the 6th driving element, for example, First look positions Element 19 is connected by the second fixed plate 12 with the upper end of the 6th driving element.Then electricity is obtained in First look setting element 19 It, can if First look setting element 19 farther out or does not have face battery apart from battery when sealing the rigging position of nail on pond To be acted on by the mutual cooperation of the 4th driving element 17, the 5th driving element 7 and the 6th driving element, to adjust First look The position of setting element 19, so that First look setting element 19 relatively rapid can get the dress for sealing nail on battery With position.

And after First look setting element 19 gets the rigging position for sealing nail on battery, due to sucker 14 and The motion end of six driving elements is connected, for example, sucker 14 is connected by third fixed plate 13 with the lower end of the 6th driving element Deng.Then in the rigging position of sucker 14 and sealing nail farther out or when there is no face, then it can pass through the 4th driving element 17, the The mutual cooperation of five driving elements 7 and the 6th driving element acts on, to adjust the position of sucker 14, so that the sealing on sucker 14 Nail is opposite with the rigging position for sealing nail on battery, so that sealing nail can be more accurately assembled on battery.

In addition, the 4th driving element 17 can be fixed in the first mounting base 1, for example, the connection relationship of the two is to fix It connects or is detachably connected.

In addition, the 6th driving element can include: the first cylinder 4 and the first sliding rail 16；First cylinder 4 is horizontally disposed, the One sliding rail 16 is arranged vertically；The sliding block of the motion end of first cylinder 4 and the first sliding rail 16 is connected with the one side of backing plate 2；The One vision positioning element 19 is connected with the upper end of the another side of backing plate 2；The lower end of the another side of sucker 14 and backing plate 2 It is connected；The one side of backing plate 2 is opposite with another side.For example, the shape of backing plate 2 is inverted L shape, the then motion end of the first cylinder 4 It is connected with the upper end of the one side of backing plate 2 with the sliding block of the first sliding rail 16, for example, above-mentioned connection relationship is to be bolted Or welding etc.；Alternatively, the motion end of the first cylinder 4 is connected by pushing block 3 with the upper end of the one side of backing plate 2.In addition, may be used also Buffer 10 is set between the motion end and pushing block 3 of the first cylinder 4, for example, buffer 10 is arranged by buffer box 5 the Between the motion end and pushing block 3 of one cylinder 4.

First look setting element 19 is arranged in the upper end of the another side of backing plate 2, for example, First look positioning member Part 19 is connected by the second fixed plate 12 with the upper end of the another side of backing plate 2；And sucker 14 passes through third fixed plate 13 It is connected with the lower end of the another side of backing plate 2.Then backing plate 2 can be driven to move up and down along the first sliding rail 16 by the first cylinder 4, To drive First look setting element 19 and sucker 14 to move up and down along the first sliding rail 16, so as to First look setting element 19 When sealing the rigging position of nail on obtaining battery, First look setting element 19 can be more conveniently moved；And in sucker 14 by thereon sealing nail be placed on the rigging position that nail is sealed on battery when, sucker 14 can be more conveniently moved, so that close Envelope nail relatively rapid can be placed on rigging position.

In addition, as shown in figure 3, the positioning mechanism further include: spring 20 and the second sliding rail 18；The connecting pin of second sliding rail 18 It is connected with the lower end of the another side of backing plate 2, sucker 14 is connected with the sliding block of the second sliding rail 18；The upper end of spring 20 and sucker 14 are connected, and lower end is connected with the lower end of backing plate 2.Since the model of battery is different, then battery is with the one side for sealing nail Height it is also different, then when sealing thereon is bound and is assigned on battery by sucker 14, due to sucker 14 and backing plate 2 it Between the second sliding rail 18 and spring 20 are set, then sucker 14 binds sealing when being assigned to the rigging position for sealing nail on battery, spring 20 may be stretched, while sucker 14 can be moved up along the second sliding rail 18；After sucker 14 terminates feeding, spring 20 is certainly 14 band of sucker is back to original position by the elastic force of body, and sucker 14 can be moved down along the second sliding rail 18 during this.By inhaling Second sliding rail 18 and spring 20 are set between disk 14 and backing plate 2 so that sucker 14 will seal bind on middle battery when, sucker 14 contact with battery contacts to be soft, to avoid by cell damage, improves the yield rate of battery.

In addition, also the 4th fixed plate 21 and camera light source 15, the phase can be arranged in the lower section of First look setting element 19 Machine light source 15 is fixed on the middle part of the another side of backing plate 2, and the camera light source 15 and the electricity to upper nail by the 4th fixed plate 21 Pond is opposite, then when First look setting element 19 obtains and seals the rigging position of nail on battery, which can shine Bright battery, allow First look setting element 19 faster get the rigging position that nail is sealed on battery.

In addition, positioning mechanism may also include that the first drag chain 11 and the second drag chain 9；For example, the first drag chain 11 is dragged by first Chain bottom plate 8 is fixed on the 4th side of the driving element 17 far from the 5th driving element 7, and the second drag chain 9 passes through the second drag chain bottom plate 6 The 5th driving element 7 is fixed on close to the side of the 6th driving element；The line of the 4th driving element 17 and pipe can be then placed on In first drag chain 11；And the line and pipe of the 6th driving element and the 5th driving element 7 are placed in the second drag chain 9, and is worn The second drag chain 9 is crossed to enter in the first drag chain 11.

Further, as shown in Figs. 7-8, protection equipment 33 includes ventilation pipeline section 34 and smoking pipeline section 35；Ventilation pipeline section 34 entrance is connected with the laser issuing side of plumb joint, and gas outlet is opposite with the surface of welded workpiece；It is set on ventilation pipeline section 34 There is the air inlet pipe 36 communicated with gas outlet；And ventilation pipeline section 34 and plumb joint are coaxially disposed；Smoking pipeline section 35 is set in snorkel Outside section 34, the shape of smoking pipeline section 35 is pyramid type, and the diameter of the cross section of smoking pipeline section 35 gas along ventilation pipeline section 34 Flow direction be gradually increased；The surface opposite with welded workpiece of smoking pipeline section 35 is equipped with multiple smoking mouths, smoking pipeline section 35 Circular conical surface be connected with the smoke extracting tube 37 being connected to smoking mouth.

For example, the shape of the ventilation pipeline section 34 is hollow cylindrical；And connecting pin and the plumb joint of the ventilation pipeline section 34 Laser issuing side is connected, for example, the connection relationship of the two is to be fixedly connected or be detachably connected, for example, the company of ventilation pipeline section 34 It connects end and is connected by the way of welding with the laser issuing side of plumb joint, alternatively, be connected using fastener etc..And in ventilation pipeline section Air inlet pipe 36 is connected on 34, which communicates with the gas outlet of ventilation pipeline section 34, then carries out laser welding in laser head 29 When, the laser that laser head 29 issues reaches welded workpiece surface along ventilation pipeline section 34 from the channel in laser head 29；And it can It is passed through protective gas into ventilation pipeline section 34 from air inlet pipe 36, so that protective gas blows to weld along ventilation pipeline section 34.Separately Outside, which may be alternatively provided on laser head 29, and the air inlet pipe 36 is communicated with the gas outlet of ventilation pipeline section 34, then the protection Gas is entered in ventilation pipeline section 34 by air inlet pipe 36 along the channel in laser head 29, and then blows to weld.

And smoke extracting tube section 35 is arranged outside ventilation pipeline section 34, the shape of smoking pipeline section 35 is pyramid type, and smoking pipeline section The diameter of the 35 cross section flow direction of gas along ventilation pipeline section 34 is gradually increased, that is, the rounded face of smoking pipeline section 35 with Welded workpiece is opposite；And the outlet end for pipeline section 34 of ventilating is pierced by the rounded face of smoking pipeline section 35, for example, will ventilation pipeline section 34 with Smoking pipeline section 35 is coaxially disposed, then the outlet end for pipeline section 34 of ventilating is pierced by from the center of the rounded face of smoking pipeline section 35.And the pumping The rounded face of smoke pipe section 35 is equipped with multiple smoking mouths 38；And smoke extracting tube 37 is equipped on the circular conical surface of the smoking pipeline section 35, For example, the connection relationship of smoke extracting tube 37 and smoking pipeline section 35 is welding etc.；And smoke extracting tube 37 is connected with smoking mouth 38, for example, should Conical smoking pipeline section 35 is hollow structure, then mouth 38 of smoking can be connected with smoke extracting tube 37 by the inner space of smoking pipeline section 35 It is logical.Then during laser head 29 welds welded workpiece, can by smoke extracting tube 37 far from 35 side of smoking pipeline section Fume extractor is set, and then the flue gas generated in 29 welding process of laser head is detached into Laser Welding through smoke extracting tube 37 from smoking mouth 38 Place is met, so that laser beam welding is not by the interference of flue gas.

And pyramid type is set as since pipeline section will be evacuated, it is possible to increase smoking area, and then greatly improve smoking efficiency；And it is inciting somebody to action During flue gas detaches at laser welding, the temperature in the exit of ventilation pipeline section 34 can be reduced, and then reaches cooling snorkel The purpose of the temperature in the exit of section 34.

Further, the surface opposite with welded workpiece of smoking pipeline section 35 is arranged in honeycomb in smoking mouth 38.Then It can detach the flue gas generated in laser beam welding is more uniform at laser welding, improve smoking area, so as to the greatest extent Detaching flue gas more than possible, improves the efficiency that flue gas detaches.And between smoke extracting tube 37 and the central axis of smoking pipeline section 35 Angle be 30 ° -60 °.For example, be 45 ° by the angle between smoke extracting tube 37 and the central axis of smoking pipeline section 35, then smoke extracting tube 37 During detaching the flue gas of smoking pipeline section 35, flue gas can be detached smoothly from smoking mouth 38 through smoke extracting tube 37.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model Protection scope within.

Claims (10)

1. a kind of sealing nail welding detection system characterized by comprising positioning mechanism, welding mechanism and testing agency；

The positioning mechanism is located at the side of the welding mechanism, is placed on the assembly position that nail is sealed on battery for that will seal to follow closely It sets；

The welding mechanism includes the first driving part, plumb joint and protection equipment；

The connecting pin of the plumb joint can be rotatably set in the motion end of first driving part；

The connecting pin of the protection equipment is connected with the laser issuing side of the plumb joint, for blowing protective gas to weld； And the protection equipment and the plumb joint are coaxially disposed；

Whether the welding that the testing agency is used to detect the sealing nail is qualified.

2. sealing nail welding detection system according to claim 1, which is characterized in that the positioning mechanism include: sucker, Second driving part and First look setting element；The sucker is placed for drawing sealing nail, and by sealing nail to institute State rigging position；The First look setting element is for obtaining the rigging position for sealing nail on battery；

Second driving part is connected with the First look setting element and the sucker respectively, for according to described first The rigging position for the sealing nail that vision positioning element obtains drives the sucker to be moved to the rigging position of the sealing nail.

3. sealing nail welding detection system according to claim 1, which is characterized in that first driving part includes: First driving element, the second driving element and third driving element；

First driving element is arranged vertically with second driving element, and the connecting pin of second driving element and institute The motion end for stating the first driving element is connected, so that first driving element drives second driving element along the x axis Movement；

The third driving element is mutually perpendicular to arrange with second driving element and first driving element respectively, and institute The connecting pin for stating third driving element is connected with the motion end of second driving element, so that second driving element drives The third driving element is moved along Z-direction；

The connecting pin of the plumb joint and the motion end of the third driving element are rotatably connected.

4. sealing nail welding detection system according to claim 3, which is characterized in that the welding mechanism further include: the One fixed plate；One end of first fixed plate is connected with the motion end of the third driving element；

The other end of first fixed plate offers at least one arc groove, thickness of the arc groove along first fixed plate It spends direction and runs through first fixed plate；One end of first fixed plate is opposite with the other end；

The connecting pin of the plumb joint is equipped at least one through-hole, and the through-hole is corresponding with the position of the arc groove；

Fastener sequentially passes through the through-hole and the arc groove, so that the plumb joint and first fixed plate realization are removable Unload connection.

5. sealing nail welding detection system according to claim 3, which is characterized in that the testing agency includes: second Vision positioning element；

The connecting pin of the second vision positioning element is connected with the motion end of the third driving element.

6. sealing nail welding detection system according to claim 5, which is characterized in that the testing agency further include: with The connected comparison module of second vision element；Qualified weld image is stored in the comparison module；

Second vision element is connected with the welding mechanism, for obtaining the weld image of the sealing nail；

The comparison module is used to compare the weld image that second vision element obtains with the qualified weld image Compared with.

7. sealing nail welding detection system according to claim 6, which is characterized in that the testing agency further include: with The connected judgment module of second vision element；

Second vision element is connected with the positioning mechanism, for obtaining the image for being placed with the battery of the sealing nail；

The number in the Circle in Digital Images shape region for the battery that the judgment module is used to judge that second vision element obtains.

8. sealing nail welding detection system according to claim 1-7, which is characterized in that the protection equipment packet It includes: ventilation pipeline section and smoking pipeline section；

The connecting pin of the ventilation pipeline section is connected with the laser issuing side of the plumb joint, the surface of gas outlet and welded workpiece Relatively；The ventilation pipeline section is equipped with the air inlet pipe communicated with the gas outlet；And the ventilation pipeline section and the plumb joint are same Axis setting；

The smoking pipeline section is set in outside the ventilation pipeline section, and the shape of the smoking pipeline section is pyramid type, and the smoke extracting tube The diameter of the cross section of section flow direction of gas along the ventilation pipeline section is gradually increased；

The smoking pipeline section surface opposite with the welded workpiece is equipped with multiple smoking mouths, the circular conical surface of the smoking pipeline section It is connected with the smoke extracting tube being connected to the smoking mouth.

9. sealing nail welding detection system according to claim 8, which is characterized in that the smoking mouth is arranged in honeycomb On the smoking pipeline section surface opposite with the welded workpiece.

10. sealing nail welding detection system according to claim 8, which is characterized in that the smoke extracting tube and the smoking Angle between the central axis of pipeline section is 30 ° -60 °.