CN107335918B

CN107335918B - Automatic welding device of automatic battery laser welding machine

Info

Publication number: CN107335918B
Application number: CN201710607451.5A
Authority: CN
Inventors: 周野; 郑晔; 杜海瑞; 徐友俊; 夏城源; 赵峰
Original assignee: Shenzhen Autolean Precision Automation Technology Co ltd
Current assignee: Shenzhen Autolean Precision Automation Technology Co ltd
Priority date: 2017-07-24
Filing date: 2017-07-24
Publication date: 2023-03-31
Anticipated expiration: 2037-07-24
Also published as: CN107335918A

Abstract

The invention discloses an automatic welding device of an automatic battery laser welding machine, and belongs to the technical field of automatic equipment. The automatic welding device of the automatic laser welding machine for the battery comprises a welding device, a conveying device and a suction device, wherein the conveying device is used for conveying the battery, the welding device is used for welding the battery when the battery reaches a welding station, and the suction device sucks the battery tightly and drives the battery to rotate so as to enable the battery to be welded in a rotating mode. The automatic welding device of the automatic laser welding machine for the battery realizes automatic welding of the battery, and has high production efficiency and good product consistency.

Description

Automatic welding device of automatic laser welding machine for battery

Technical Field

The invention belongs to the technical field of automation equipment, and particularly relates to an automatic welding device of an automatic battery laser welding machine.

Background

In the production process of the battery, the two end faces of the battery need to be welded, at present, in a common battery production process, the welding treatment of the front face and the back face of the battery cannot be completely automated, more or less links need to be achieved through manual operation, the production efficiency of the welding process of the battery is greatly reduced, and products in a production place often have the defects of poor quality and poor product consistency.

Disclosure of Invention

The invention aims to solve the technical problem of providing an automatic welding device of an automatic battery laser welding machine.

The solution adopted by the invention for solving the technical problems is as follows: the utility model provides an automatic welding set of battery automatic laser-beam welding machine, includes the frame, its characterized in that: the welding device, the conveying device and the tight suction device are fixedly arranged on the rack, the welding device comprises a first moving mechanism and a welding machine, the welding machine is fixedly connected with the first moving mechanism, the first moving mechanism drives the welding machine to move to a welding station to weld a battery, or the welding machine is far away from the welding station to wait for the battery to move to the welding station; the conveying device comprises a bearing mechanism and a driving mechanism, wherein a battery is borne on the bearing mechanism, and the output end of the driving mechanism is fixedly connected with the bearing mechanism so as to drive the bearing mechanism to move and further drive the battery to move; the sucking device comprises a sucker assembly, the sucker assembly comprises a sucker, a rotating shaft fixedly connected with the center of the sucker and a rotating shaft driving device, the end face of the sucker is provided with an air hole, and the end face of the battery can be tightly sucked to fix the battery on the sucker during vacuumizing.

As a further improvement of the above technical solution, the conveying device further comprises a jacking mechanism, the jacking mechanism is fixedly arranged between the driving mechanism and the bearing mechanism, and the jacking mechanism can drive the bearing mechanism to perform jacking motion up and down in the process that the driving mechanism drives the bearing mechanism to move.

As a further improvement of the above technical solution, the welding device further includes a screw feeding device, the screw feeding device includes a material receiving rod and a second moving mechanism, the material receiving rod is fixedly arranged on the second moving mechanism, one end of the material receiving rod is provided with a screw clamping portion for clamping a screw, the second moving mechanism is fixedly arranged on the frame, and the second moving mechanism drives the material receiving rod to move, so that the screw clamped by the screw clamping portion abuts against a welding end face of the battery to be welded.

As a further improvement of the above technical scheme, 2 mounting seats are fixedly arranged on the second moving mechanism, 2 mounting seats are provided with through holes for the material receiving rod to pass through, two axes of the through holes are positioned on the same straight line, and the diameter of each through hole is larger than that of the material receiving rod, so that the material receiving rod can rotate relative to the mounting seats, 2 the mounting seats are respectively sleeved on the middle part of the material receiving rod and one end of the material receiving rod far away from the screw clamping part, and the material receiving rod is tightly sleeved with a clamp spring at one end of the screw clamping part far away from the material receiving rod, so that the material receiving rod is axially fixed.

As a further improvement of the above technical solution, the screw guiding device further includes a screw guiding device, the screw guiding device includes an ejection block, a guide tube, and an ejection mechanism, the ejection block is fixed on the frame, the ejection block is provided with a first via hole penetrating through front and rear ends of the ejection block, the ejection block is further provided with a second via hole from an upper end to a lower end of the ejection block, a lower end of the second via hole is communicated with the first via hole, an upper end of the second via hole penetrates through the ejection block, the guide tube is tightly embedded in the upper end of the second via hole, the other end of the guide tube is suspended, and the suspended end of the guide tube is inclined from top to bottom to form a guide conveying of the screw, the ejection mechanism is fixed on the frame, and one end of the ejection mechanism extends into the first via hole and extends and retracts in the first via hole to guide the screw out of the first via hole.

As a further improvement of the above technical solution, the second moving mechanism includes a transverse moving mechanism and a longitudinal moving mechanism, and the transverse moving mechanism and the longitudinal moving mechanism respectively drive the material receiving rod to move transversely and longitudinally, so that the material receiving rod moves to the position of the screw guiding mechanism to receive the screw and carries the screw to move to the welding station.

As a further improvement of the above technical solution, in the moving direction of the conveying device, the rack is sequentially provided with 2 welding zones, each welding zone is provided with the welding device, the suction device, the screw feeding device and the screw guiding device, and the 2 working zones are respectively used for welding the front and back surfaces of the battery.

As a further improvement of the above technical solution, a flat turning device is arranged between 2 welding zones on the frame, the flat turning device includes a base, a power device and a gripper, the power device is fixedly connected with the base, the power device is in transmission connection with the gripper, and the gripper can rotate along the circumferential direction of the gripper.

As a further improvement of the technical scheme, the device further comprises a centering device, wherein the centering device is fixedly arranged at two sides of the conveying device and corresponds to the welding position of the battery, the centering device comprises a bracket, two groups of the bracket are oppositely arranged, 4 cylindrical sections with the same circular surface size and opposite pairwise are fixedly connected to the top ends of the opposite inner walls of the bracket, and the distance between the four cylindrical sections is smaller than the diameter of the cylindrical battery; the distance between the two opposite bracket inner wall cylindrical sections is less than the length of the battery.

As a further improvement of the above technical scheme, the laser cooling system further comprises 2 laser hosts and 2 water coolers, wherein the number of the laser hosts is 2, the laser hosts are respectively and electrically connected with the 2 welding devices, and two ends of the water coolers are respectively and fixedly connected with the laser hosts so as to cool the 2 laser hosts.

The invention has the beneficial effects that:

the automatic welding device of the automatic battery laser welding machine automatically conveys the battery to the welding station through the mutual matching of the welding device, the conveying device and the sucking device, sucks the battery tightly, and automatically welds the battery, so that the automatic welding process of the battery is realized, the production efficiency is high, and the product consistency is good.

Drawings

FIG. 1 is a schematic view of the overall construction of an automatic welding apparatus of the present invention;

FIG. 2 is a schematic view of the overall structure of the automatic welding apparatus of the present invention with the welding apparatus removed, the water chiller, and the welder main unit removed;

FIG. 3 is an enlarged partial schematic view at A in FIG. 2;

FIG. 4 is an enlarged partial schematic view at B of FIG. 2;

FIG. 5 is a schematic view of the structure of the conveying apparatus of the present invention;

FIG. 6 is a schematic view of the welding apparatus of the present invention;

FIG. 7 is a schematic view showing the structure of the chucking device of the present invention;

FIG. 8 is a schematic view of the configuration of the centering device of the present invention;

FIG. 9 is a schematic view of the screw feeding device of the present invention;

FIG. 10 is a schematic view of the receiver bar portion of the screw feeder of the present invention;

FIG. 11 is a schematic longitudinal cross-sectional view of the receiver bar portion of the screw feed apparatus of the present invention;

FIG. 12 is a schematic view of the construction of the screw guide apparatus of the present invention;

FIG. 13 is a rear view of the screw guide of the present invention;

FIG. 14 is a schematic structural view of a left ejection block of the ejection blocks of the screw guide device of the present invention;

FIG. 15 is a schematic view of the construction of the pan apparatus of the present invention;

fig. 16 is a bottom view of the grip of the yaw apparatus of the present invention.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention. In addition, all the connection/connection relations referred to in the patent do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection auxiliary components according to specific implementation conditions. The technical characteristics of the invention can be combined interactively on the premise of not conflicting with each other.

In order to solve the technical problem of automatic welding in the automatic laser welding process of batteries, as shown in fig. 1 to 4, the invention provides an automatic welding device which comprises a rack 1, a welding device 2, a conveying device 3, a suction device 4, a centering device 5, a screw feeding device 6, a screw guiding device 7 and a flat turning device 8.

In the invention, a rack 1 provides a working platform in an automatic welding process, a conveying device 3 drives a battery to directionally move and drives the battery to different working stations, 2 welding areas are sequentially arranged in the moving direction of the conveying device 3, a welding device 2 is fixedly arranged in each welding area, when the conveying device 3 drives the battery to move to the position of the corresponding welding device 2, welding processing is started, a suction device 4 and a centering device 5 are fixedly arranged on the rack 1 and at the position corresponding to the welding station of each welding device 2, the suction device 4 is fixedly arranged at one end of the battery and is used for sucking the battery and driving the battery to rotate so as to weld the battery under the rotation condition, the centering device 5 is used for centering the battery, the optimal welding station is ensured in the welding process of the battery, a flat turning device 8 is further fixedly arranged on the rack 1 and between the two welding areas, the flat turning device 8 drives the battery to rotate, so that the front end and the back end of the battery are turned, two welding devices 2 at the two ends of the battery can weld different end faces of the battery, the whole automatic welding process is greatly improved, and the automatic welding efficiency of the whole battery is greatly improved.

As shown in fig. 5, the welding device 2 includes a first moving mechanism 20 and a welding machine 21, the welding machine 21 is fixedly disposed on the first moving mechanism 20, and thus the first moving mechanism 20 drives the welding machine 21 to move towards a welding station of a battery or move away from the welding station of the battery, in this embodiment, it is only necessary to move the welding machine 21 in a vertical direction, that is, move towards or away from the welding station, the first moving mechanism 20 may include a slide rail 200 in a vertical direction and a slide table 201 matched with the slide rail, and the laser machine 21 is fixedly disposed on the slide table 201, so as to implement the movement required by the operation of the welding machine 21.

Preferably, in order to further improve the welding efficiency in this embodiment, 4 welding machines 21 are fixedly arranged on the first moving mechanism 20 side by side to weld 4 batteries at the same time, and of course, the number of the welding machines 21 arranged side by side may also be adjusted according to different actual working requirements, but the arrangement mode of the welding machines arranged side by side is within the protection scope of the present invention.

As shown in fig. 6, the conveying device 3 includes a bearing mechanism 30, a jacking mechanism 31 and a driving mechanism 32, the bearing mechanism 30 is used for bearing the material, the jacking mechanism 31 is fixedly connected with the bearing mechanism 30 and used for driving the bearing assembly 2 to move in the vertical direction, and the driving mechanism 32 is fixedly connected with the jacking mechanism 31 and used for driving the jacking mechanism 31 and the bearing mechanism 30 to move in the horizontal direction.

Bearing mechanism 30 is including bearing frame 300 and strengthening rib 301, bears frame 300 and strengthening rib 301 fixed connection, bears evenly to be provided with a plurality of material grooves 3000 on the frame 300 along its length direction, and material groove 3000 is half open-ended arc curved surface, and the material groove 3000 of arc curved surface is convenient for fix circular shape battery in its draw-in groove, and makes things convenient for its location, centering.

The jacking mechanism 31 comprises a jacking cylinder 310, guide posts 311, a buffer 312 and a first base plate 313, one end of the jacking cylinder 310 is fixedly connected with the first base plate 313, the other end of the jacking cylinder 310 is fixedly connected with the reinforcing rib 301 on the bearing mechanism 30, the guide posts 311 are also fixedly connected with the reinforcing rib 301, the guide posts 311 ensure that the bearing mechanism 30 can stably and reliably move in a vertical plane under the action of the jacking cylinder 310, and it can be seen in the figure that 4 guide posts 311 are uniformly distributed on two sides of the jacking cylinder 310 and used for guiding the bearing mechanism 30; the buffer 312 on the jacking mechanism 31 is a hydraulic buffer, which can effectively buffer the impact force caused when the jacking cylinder 310 drives the bearing component, and prevent the driving component from being damaged; more climbing mechanism 31 still includes stop gear, stop gear include one with first base plate 313 fixed connection's cassette and one with strengthening rib 301 fixed connection's trip, the cassette matches with the trip, forms hard spacing, can effectively prevent emergency's the emergence damage jacking subassembly.

The driving mechanism 32 comprises a motor 320, a linear module 321, a connecting plate 322, a guide rail 323 and a fixing plate 324, the motor 320 is fixedly connected with the linear module 321, the linear module 321 is fixedly connected with a first base plate 313 on the jacking mechanism 31 through the connecting plate 322, the jacking mechanism 31 is driven to move in the horizontal direction, the linear module 321 is placed laterally, a working surface is positioned at the side part of the linear module and is fixedly connected with the side part of the connecting plate 322 through a bolt, the placing mode reduces the occupied space of the linear module 321 on one hand, on the other hand, the linear module 321 can play a role in supporting and driving the first base plate 313 on one hand through the mode, and on the other hand, the function of preventing the jacking mechanism 31 from turning on the side can be realized, the safety and the reliability of the component are improved, the bottom of the linear module 321 is fixedly connected with the fixing plate 324, one end of the guide rail 323 is fixedly connected with the fixing plate 324, and the other end of the guide rail is fixedly connected with the first base plate 313 through a guide rail slider and is used for supporting and guiding the movement of the jacking mechanism 31 in the horizontal direction.

As shown in fig. 7, the chucking device 4 includes a chuck assembly 40, a spindle 41, and a spindle driving device 42.

The sucker assemblies can be arranged in a plurality of groups, are arranged in parallel in the same plane and are at proper distances. At least one synchronous belt wheel is fixedly installed on the rotating shaft of each group of sucker components, and the synchronous belt wheels on the adjacent rotating shafts are driven through synchronous belts.

The two groups of transmission component rotating shafts 41 close to the sides of the four groups of sucker components are provided with a synchronous belt wheel 410 which realizes transmission with the adjacent sucker components through a synchronous belt 43; two synchronous belt wheels 410 are respectively arranged on the rotating shafts 41 of the two groups of sucker components in the middle, and besides realizing synchronous transmission with the sucker components close to the sides, one group of synchronous belt wheels 410 realizes the synchronous transmission of the two groups of sucker components in the middle, namely four groups of sucker components are not mutually independent, but integrally form the synchronous transmission. At this time, as long as the rotating shaft driving device 42 is arranged on the rotating shaft 41 of any one group of sucker assemblies for driving, the four groups of sucker assemblies can be driven to synchronously rotate, so that a plurality of battery workpieces can be synchronously processed, the efficiency is high, and the quality is stable.

Preferably, a tension pulley 44 is disposed between two adjacent rotating shafts 41 to contact the timing belt 43, and the relative position between the tension pulley 44 and the timing belt 43 can be adjusted, so as to teach the tension of the tension pulley 44 to the timing belt 43. When the synchronous belt 43 is driven at different rotating speeds, the degree of tension of the tension wheel 44 on the synchronous belt 43 is adjusted, so that the stability of the synchronous belt 43 is maintained, and the synchronous belt 43 is prevented from falling off in the driving process.

Preferably, as shown in this embodiment, the sets of chuck assemblies are disposed in parallel and the end surfaces of the chucks are coplanar, so as to provide convenience for subsequent processing and facilitate alignment and positioning of a welding or cutting tool (not shown).

Preferably, as shown in this embodiment, each group of suction cup assemblies is located on a horizontal working platform 45, a sliding rail 46 axially parallel to the rotating shaft 41 is arranged below the working platform 45, and the suction cup assemblies on the working platform 45 can move horizontally along with the sliding of the working platform 45 on the sliding rail 46, so as to adjust the positions of the suction cup assemblies relative to the battery workpiece, and when the suction cup assemblies are far away from the battery workpiece, enough position space is reserved, which is convenient for loading and unloading the battery workpiece. The slide rails 46 are preferably double slide rails.

Preferably, as shown in this embodiment, the air holes on the end surface of the suction cup 1 are uniformly distributed on the end surface, so that the suction force is uniform when the battery workpiece is sucked, the positioning and fastening functions are stable and reliable, and the battery workpiece cannot fall off in the process of rotating along with the rotating shaft 41.

Preferably, as shown in the present embodiment, the suction cup 2 is provided with a mounting seat at the rear thereof, which is used for supporting the rotating shaft 41 to relieve the load applied to the rotating shaft 41 in the tangential direction.

As shown in fig. 8, the centering device 5 includes a bracket 50 and a support base 51. Here, the support base 51 is the carriage 300 in the carriage mechanism 30, and here, for convenience of description of the centering device 5, the support base 51 is used for the centering device 5.

As shown in this embodiment, the battery centering mechanism includes two sets of brackets 50, which are oppositely disposed, and two cylindrical sections 52 are disposed at the top end of the inner wall opposite to each bracket, that is, the set of brackets has four cylindrical sections 52, which have the same size and are opposite to each other in pairs, and the central axes of the four cylindrical sections 52 are located in the same horizontal plane. The distance between adjacent cylindrical sections on the same support is smaller than the diameter of the cylindrical battery; the distance between the opposite cylindrical sections on the same group of brackets is less than the length of the battery. So can make the cylinder battery realize automatic centering under the effect of cylinder section 52, avoid anchor clamps centering to the damage that the cylinder battery caused, simple structure convenient operation simultaneously, cylinder battery centering is efficient.

Preferably, the bracket 50 is provided with a baffle 500 outside the cylindrical section 52, the baffle 500 abuts against the outer ring of the end surface of the cylindrical battery, and the top of the baffle is an arc-shaped groove to avoid the part to be processed of the end surface of the cylindrical battery. The baffle 500 prevents the axial displacement of the cylindrical battery, plays a role in positioning, and meanwhile, the baffle 500 is provided with an arc-shaped groove to avoid a processing position without interfering with subsequent processing.

Preferably, a support plate 51 is arranged between the opposite cylindrical sections 52 of the bracket 50, and the top end of the support plate 51 is provided with an arc groove 510 for accommodating a cylindrical battery, which is matched with the position and size of the cylindrical battery placed on the cylindrical section 52. I.e., the cylindrical battery, is still in direct contact with the cylindrical section 52, centering it automatically at the cylindrical section 52.

Preferably, the support 50 has a longitudinal support plate 501, and the longitudinal support plate 501 may be vertically disposed, but preferably, may have a certain camber angle, so that the support 50 may be more stably and reliably disposed as a whole.

Preferably, the outer wall of the longitudinal support plate 501 has reinforcing ribs 5010 for increasing the strength of the bracket 50.

Preferably, the support 50 has several groups, so that the same group of cylindrical batteries can be centered.

As shown in fig. 9 to 12, the screw feeding device 6 includes a second moving mechanism 60 and a material receiving rod 61, a first substrate 62 is fixedly disposed on the second moving mechanism 60, a first mounting seat 63 and a second mounting seat 64 are fixedly disposed on the first substrate 62, via holes for the material receiving rod 61 to pass through are disposed on the first mounting seat 63 and the second mounting seat 64, axes of the via holes on the first mounting seat 63 and the second mounting seat 64 are located on the same straight line, the first mounting seat 63 and the second mounting seat 64 are respectively sleeved on a middle portion of the material receiving rod 61 and one end of the material receiving rod 61, and a screw clamping portion 610 is disposed at the other end of the material receiving rod 61 and used for clamping a screw to be welded.

The first mounting base 63 and the second mounting base 64 are both fixedly arranged on the first substrate 62, in this embodiment, the first mounting base 63 and the second mounting base 64 are respectively arranged at the front end and the rear end of the first substrate 62, through holes are respectively formed in the first mounting base 63 and the second mounting base 64, and the through holes in the first mounting base 63 and the second mounting base 64 are concentrically arranged.

The material receiving rod 61 is provided with a screw clamping portion 610 at one end for clamping a screw and positioning the screw during battery welding, the other end and the middle portion of the material receiving rod 61 penetrate through the second mounting seat 64 and the first mounting seat 63 respectively, specifically, the other end and the middle portion of the material receiving rod 61 penetrate through the through holes of the second mounting seat 64 and the first mounting seat 63 respectively, and therefore when the material receiving rod 61 clamps the screw for welding, the material receiving rod 61 can rotate relative to the first mounting seat 63 and the second mounting seat 64, and rotation welding in the battery welding process is guaranteed.

In order to realize accurate positioning of the material receiving rod 61, in this embodiment, the positions of the material receiving rod 61 corresponding to the first mounting seat 63 and the second mounting seat 64 are both provided with a shaft shoulder, one end of the first mounting seat 63 close to the screw clamping portion 610 of the material receiving rod 61 abuts against the shaft shoulder at the position, one end of the second mounting seat 64 close to the screw clamping portion 610 of the material receiving rod 61 abuts against the shaft shoulder at the position, in addition, a stop snap spring (not shown in the figure) is sleeved at the position of the shaft end of the material receiving rod 61 corresponding to the second mounting seat 64, and the stop snap spring is fixedly connected with the second mounting seat 64, so that the axial direction of the material receiving rod 61 is limited through the stop snap spring and the shaft shoulder, and the axial position deviation of the material receiving rod 61 is prevented.

In order to guarantee to connect the steady rotation of material stick 61, connect material stick 61 on, the position department cover that corresponds to the through-hole of first mount pad 63 and second mount pad 64 is equipped with swivel 65, and the swivel 65 of two places inlays respectively in locating the through-hole of first mount pad 63 and second mount pad 64, has guaranteed through swivel 65 that it is more even to connect material stick 61 axial force to distribute, so it rotates more steadily.

The receiving rod 61 is further sleeved with a rotation stopping ring 66, in this embodiment, the rotation stopping ring 66 is fixedly connected with the first mounting seat 63 to control whether the receiving rod 61, the first mounting seat 63 and the second mounting seat 64 are rotatable, a rotation stopping hole penetrating through the ring surface of the rotation stopping ring 66 is formed in the rotation stopping ring 66, a locking device such as a pin is inserted through the rotation stopping hole to firmly connect the rotation stopping ring 66 with the receiving rod 61, and therefore the receiving rod 61 is locked relative to the first mounting seat 63 and the second mounting seat 64 and cannot rotate relatively.

The screw feeding mechanism for automatic laser welding of the battery further comprises a moving mechanism, wherein the first base plate 62 is arranged on the moving mechanism in a sliding mode, so that the positions of the first base plate 62 and components on the first base plate 62 are adjusted, the material receiving rod 61 can automatically move to a welding station, screws clamped by the screw clamping portions 610 of the material receiving rod 61 abut against the welding surface of the battery, and welding processing is carried out.

Preferably, the second moving mechanism 60 includes a transverse moving mechanism 600 and a longitudinal moving mechanism 601 to adjust the positions of the first substrate 62 and the components on the first substrate 62 in the transverse direction and the longitudinal direction, in this embodiment, the longitudinal moving mechanism 601 is slidably disposed on the transverse moving mechanism 600, and the first substrate 62 is slidably disposed on the longitudinal moving mechanism 601.

In this embodiment, the sliding table 67 is slidably disposed on the longitudinal moving mechanism 601, a plurality of first base plates 62 are fixedly disposed on the sliding table 67 side by side, and each first base plate 62 is fixedly disposed with a first mounting seat 63, a second mounting seat 64, and a material receiving rod 61, so that during the welding process of the battery, the plurality of material receiving rods 61 can be simultaneously used for clamping the screws, and the screws are moved to the welding position to weld the welding surface of the battery and the screws, so that the screw feeding mechanism for automatic laser welding of the battery of the present invention has higher working efficiency.

As shown in fig. 13 and 14, the screw guide mechanism 7 includes a second base plate 70, an ejector block 71, a guide pipe 72, and an ejector mechanism.

The ejection block 71 is fixedly arranged on the second substrate 70, a first through hole 710 penetrating through the front end and the rear end of the ejection block 71 is formed in the ejection block 71 and used for being matched with an ejection mechanism to send screws to be conveyed to a welding station, a second through hole 711 is further formed in the ejection block 71, one end of the second through hole 711 penetrates through the upper end of the ejection block 71, and the other end of the second through hole 711 is communicated with the first through hole 710.

The guide tube 72 is fixedly arranged on the ejection block 71, one end of the guide tube 72 is tightly embedded into the second through hole 711 at the upper end of the ejection block 71, the other end of the guide tube is arranged in a suspended manner and used for conveying the screw to be conveyed into the guide tube 72 from the end of the guide tube 72 to convey the screw, the guide tube 72 is obliquely arranged in the vertical direction relative to the second substrate 70, the suspended end of the guide tube 72 is higher than the suspended end of the guide tube 711, the screw in the guide tube 72 automatically slides downwards along with the pipeline of the guide tube 72 under the action of gravity to enter the second through hole 711 and slide into the first through hole 710 through the second through hole 711.

Preferably, in this embodiment, a vibrating plate is disposed at the suspended end of the guide tube 72, and the screw to be conveyed is sent out from the vibrating plate and automatically conveyed into the guide tube 72.

The ejection mechanism is fixedly arranged on the second substrate 70 and used for ejecting the screws entering the first through holes 710 out of the ejection block 71 so as to send the screws to a welding station, the ejection mechanism comprises an expansion link 73 and a driving motor 74, the driving motor 74 is fixedly arranged on the second substrate 70, one end of the expansion link 73 is fixedly connected with the output end of the driving motor 74, the other end of the expansion link 73 is suspended, the expansion link 73 and the first through holes 710 are coaxially arranged, the diameter of the expansion link 73 is smaller than that of the first through holes 710, and therefore, under the driving of the driving motor 74, the expansion link 73 can telescopically move along the first through holes 710 and send out the screws in the first through holes 710.

According to the screw guide mechanism for the automatic battery welding device, screws to be conveyed are firstly conveyed into the guide pipe 72 through the vibration disc, slide into the second through hole 711 along the guide pipe 72 and then slide into the first through hole 710, and then are conveyed to a welding station through the ejection mechanism, so that the automatic screw conveying process is realized.

In this embodiment, the driving motor 74 is an air cylinder, the driving motor 74 and the ejection block 71 are respectively disposed on two sides of the substrate, meanwhile, the second substrate 70 is provided with a through groove 700, the output end of the driving motor 74 is fixedly connected with the telescopic rod 73 through a connecting block 701, the connecting block 701 passes through the through groove 700 and can slide along the through groove 700, so that the connecting block 701 slides along the through groove 700 under the driving of the driving motor 74, and further the telescopic rod 73 is driven to perform telescopic motion.

In this embodiment, the second substrate 70 is further fixedly provided with a limiting post 703 for limiting the movement of the connecting block 701 and preventing the over-movement of the telescopic rod 73, preferably, the second substrate 70 is fixedly provided with a support 702, the telescopic rod 73 and the limiting post 703 are both arranged on the support 702 in a penetrating manner, and the telescopic rod 73 and the limiting post 703 are respectively arranged at the upper end and the lower end of the support 702.

In order to make the screw feeding process smoother, the second through hole 711 is obliquely disposed so that the screw in the second through hole 711 can maintain its initial posture when entering the first through hole 710, increasing the accuracy of the screw feeding process.

The diameters of the guide tube 72, the first through hole 710 and the second through hole 711 are slightly larger than the diameter of the screw to be conveyed, so that the screw can always keep the initial posture during the conveying process, and the screw is guaranteed to be conveyed to the welding station in the posture to be welded.

In this embodiment, a lifting seat 704 is further fixedly disposed on the second substrate 70 on one side of the driving motor 74, and when the screw guiding mechanism is installed, the lifting seat 704 keeps a distance between the substrate and a position to be installed, thereby leaving a working station of the driving motor 74.

In order to further increase the working efficiency of automatic screw feeding, in this embodiment, a plurality of sets of the above-mentioned ejection blocks 71, guide tubes 72, and ejection mechanisms are arranged in parallel on the second substrate 70, so as to feed a plurality of screws simultaneously.

As shown in fig. 15 and 16, the horizontal turning device 8 includes a base 80, two sets of mutually independent grippers 81 are fixedly connected to the lower portion of the base 80, the grippers 81 are symmetrically arranged, the grippers 81 can rotate along with a connecting shaft 810, and a power device is fixedly connected to the upper portion of the base 80, and is in transmission connection with the grippers 81 to drive the grippers 81 to rotate.

The base 80 is plate-shaped, a plurality of installation through holes are arranged on the plate-shaped base 80, the installation through holes are matched with a driving wheel 820 and a driven wheel 821 on a power device, a motor 822 is fixedly connected with the driving wheel 820, the driving wheel 820 drives the driven wheel 821 to rotate through a belt, the driven wheel 821 is fixedly connected with a connecting shaft 810 on the gripper 81, the connecting shaft 810 is fixedly connected with an installation hole on the base 80 and can freely rotate along the axis of the installation hole, the gripper 81 also comprises a fixing plate 811 fixedly connected with the connecting shaft 810 through screws, and grippers 812 which are symmetrically arranged and fixedly connected with the fixing plate 811, referring to fig. 14, a sucking disc 8120 is embedded in each gripper 812 for gripping a battery, the working surface of each gripper 812 is arc-shaped curved surface and is matched with the outer surface of a cylindrical battery, the device is beneficial to the reliability and stability of the gripper 812 and the battery in the contact grabbing process and the rotating process, as can be seen from the figure, two suckers 8120 are embedded in the gripper 812, the number of the suckers 8120 can be increased or reduced according to the actual use condition, more sensors 813 are connected to the back of the gripper 81, the sensors 813 are used for detecting feedback grabbing conditions, the grabbing reliability is further improved, the high-efficiency automatic production is facilitated, after the gripper 81 grabs the battery arranged on the conveying table 83, the conveying table 83 descends, the gripper 812 rotates 180 degrees under the action of a power device to realize the switching of the machined end faces of the battery, after the switching of the machined end faces is completed, the conveying table 83 ascends, and the gripper 81 releases the battery to a clamping groove in the conveying table 83 for transportation, and treats the machined surface.

The automatic welding device also comprises a laser main machine 90 and a water cooling machine 91, wherein the laser main machine 90 is arranged corresponding to the position of the corresponding laser machine 21, the laser machine 21 is electrically connected with the laser main machine 90 to provide driving force for the laser machine 21, the water cooling machine 91 is fixedly arranged between the two laser main machines 90, and two ends of the water cooling machine 91 are respectively communicated with the two laser main machines 90 at the two ends to provide cooling for the two laser main machines 90.

While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides an automatic welding set of battery automatic laser-beam welding machine, includes the frame, its characterized in that: comprises a welding device, a conveying device and a tight suction device, wherein the welding device, the conveying device and the tight suction device are fixedly arranged on the frame,

the welding device comprises a first moving mechanism and a welding machine, the welding machine is fixedly connected with the first moving mechanism, and the first moving mechanism drives the welding machine to move to a welding station to weld the battery, or the welding machine is far away from the welding station to wait for the battery to move to the welding station;

the conveying device comprises a bearing mechanism and a driving mechanism, wherein a battery is borne on the bearing mechanism, and the output end of the driving mechanism is fixedly connected with the bearing mechanism so as to drive the bearing mechanism to move and further drive the battery to move;

the conveying device further comprises a jacking mechanism, the jacking mechanism is fixedly arranged between the driving mechanism and the bearing mechanism, and the jacking mechanism can drive the bearing mechanism to perform jacking motion up and down in the process that the driving mechanism drives the bearing mechanism to move; the sucking device comprises a sucker assembly, the sucker assembly comprises a sucker, a rotating shaft fixedly connected with the center of the sucker and a rotating shaft driving device, the end face of the sucker is provided with an air hole, and the end face of the battery can be tightly sucked to fix the battery on the sucker during vacuumizing.

2. The automatic welding device of the automatic laser welding machine for the battery according to claim 1, characterized in that: the welding device is characterized by further comprising a screw conveying device, wherein the screw conveying device comprises a material receiving rod and a second moving mechanism, the material receiving rod is fixedly arranged on the second moving mechanism, a screw clamping portion is arranged at one end of the material receiving rod and used for clamping a screw, the second moving mechanism is fixedly arranged on the rack, and the second moving mechanism drives the material receiving rod to move so that the screw clamped by the screw clamping portion is abutted to the welding end face of the battery to be welded.

3. The automatic welding device of the automatic laser welding machine for batteries according to claim 2, characterized in that: the second moving mechanism is last to have set firmly 2 mount pads, the confession has been seted up on 2 mount pads connect the via hole that the material stick passed, two the axis of via hole is in on the same straight line, just the diameter of via hole is greater than connect the diameter of material stick, so that connect the material stick can for the mount pad rotates, 2 the mount pad overlaps respectively to be located connect the middle part of material stick and connect the material stick to keep away from in the one end of screw clamp part, just connect the material stick to keep away from in it has the jump ring tightly to overlap in the one end of screw clamp part, so that connect the material stick axial fixedly.

4. The automatic welding device of the automatic laser welding machine for the battery according to claim 3, characterized in that: the screw guiding device comprises an ejection block, a guide pipe and an ejection mechanism, the ejection block is fixedly arranged on the rack, a first via hole penetrating through the front end and the rear end of the ejection block is formed in the ejection block, a second via hole is formed in the ejection block from the upper end to the lower end of the ejection block, the lower end of the second via hole is communicated with the first via hole, the upper end of the second via hole penetrates through the ejection block, the guide pipe is tightly embedded into the upper end of the second via hole, the other end of the guide pipe is arranged in a suspended mode, the guide pipe is arranged from the suspended end of the guide pipe to the other end of the guide pipe in an inclined mode from top to bottom to form screw guiding conveying, the ejection mechanism is fixedly arranged on the rack, and one end of the ejection mechanism extends into the first via hole and moves in the first via hole in a telescopic mode to guide screws out of the first via hole.

5. The automatic welding device of the automatic laser welding machine for the battery according to claim 4, characterized in that: the second moving mechanism comprises a transverse moving mechanism and a longitudinal moving mechanism, and the transverse moving mechanism and the longitudinal moving mechanism respectively drive the material receiving rod to move transversely and move longitudinally, so that the material receiving rod moves to the position of the screw guide mechanism to receive a screw and carries the screw to move to the welding station.

6. The automatic welding device of the automatic battery laser welding machine according to claim 5, characterized in that: along conveyor's moving direction, set gradually 2 weld zones on the frame, all be provided with in each weld zone welding set, inhale tight device, send screw device and lead screw device, 2 the work area is used for respectively carrying out welding treatment to the tow sides of battery.

7. The automatic welding device of the automatic laser welding machine for the battery according to claim 6, characterized in that: and a horizontal rotation device is arranged between 2 welding areas on the rack and comprises a base, a power device and a gripper, the power device is fixedly connected with the base, and the power device is in transmission connection with the gripper.

8. The automatic welding device of the automatic laser welder for batteries according to any of claims 1 to 7, characterized in that: the device comprises a conveying device, a battery welding device and a centering device, wherein the conveying device is provided with a plurality of inner wall top ends, the battery welding device comprises a plurality of inner wall top ends, the inner wall top ends are opposite to the inner wall top ends, the inner wall top ends are provided with a plurality of cylindrical sections, the cylindrical sections are opposite to the inner wall top ends, the cylindrical sections are arranged on the inner wall top ends, the cylindrical sections are opposite to the inner wall top ends, and the distance between the cylindrical sections is smaller than the diameter of each cylindrical battery; the distance between the two opposite inner wall cylindrical sections of the bracket is less than the length of the battery.

9. The automatic welding device of the automatic laser welding machine for the battery according to claim 8, characterized in that: still include laser host computer and cold water machine, the quantity of laser host computer is 2, 2 the laser host computer respectively with 2 the welding set electricity is connected, the cold water machine both ends respectively with laser host computer fixed connection is in order to 2 the laser host computer carries out cooling treatment.