CN114131192A

CN114131192A - Single protective housing intelligent welding equipment for power battery

Info

Publication number: CN114131192A
Application number: CN202111534208.8A
Authority: CN
Inventors: 吕洋洋; 胡才进
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-03-04

Abstract

The invention relates to the field of battery shell processing, in particular to intelligent welding equipment for a protective shell of a power battery monomer, which comprises a workbench, a five-station turntable, a laser welding robot, a plurality of protective cover plates, a battery feeding assembly, a cover plate voltage stabilizing assembly and a discharging assembly, wherein the battery feeding assembly, the cover plate feeding assembly and the discharging assembly respectively comprise a horizontal conveying mechanism, a first two-axis translation mechanism and a clamping mechanism; the cover plate pressure stabilizing assembly comprises a second two-axis translation mechanism and an elastic pressing piece; and a plurality of carriers and a plurality of fastening mechanisms equivalent to the carriers. Firstly, the welding of the single batteries is stable and safe, the fastening mechanism for fixing the single batteries and the protective cover plate for protecting the single batteries are arranged, and the safety is higher; secondly, all the devices in the invention are operated automatically, the labor cost is low, the efficiency is higher, and the protection cover plate is pressed down by the double elasticity of the cover plate voltage stabilizing assembly, so that the protection degree of the single battery is high.

Description

Single protective housing intelligent welding equipment for power battery

Technical Field

The invention relates to the field of battery shell processing, in particular to intelligent welding equipment for a protective shell of a power battery monomer.

Background

The single storage battery is composed of electrodes and electrolyte, and forms a basic unit of the storage battery, and is called as a single storage battery. In recent years, new energy automobiles develop rapidly, and the application of single batteries in the new energy automobiles is more mature. Since the single battery has the core function of automobile operation, the battery needs to be well protected in the automobile, so the sealing operation of the single battery is particularly important, and the laser welding is widely applied to the connection of the single battery shell due to the high-precision and low-pollution welding effect.

The single protective housing intelligence welding equipment of traditional battery still has following not enough: firstly, many battery welding equipment still adopt semi-automatization operation, and efficiency is lower and the cost of labor is high, and secondly, do not do the safeguard measure to the battery monomer among many welding equipment, the electrode position at battery top directly exposes in the air in the welding process of battery, causes unexpected damage to the battery easily, therefore it solves above-mentioned problem to need to design the free protective housing intelligence welding equipment of a novel power battery.

Disclosure of Invention

Based on this, it is necessary to provide a protection shell intelligent welding device for a power battery cell, aiming at the problems in the prior art.

In order to solve the problems of the prior art, the invention adopts the technical scheme that:

the utility model provides a free protective housing intelligence welding equipment of power battery, including the workstation that is the horizontality, be the fixed five station carousels that set up in the workstation top of horizontality and the fixed laser welding robot that sets up in one of them station side of five station carousels, still include a plurality of and be used for the protection cover plate of protection battery cell when laser welding, the circumferencial direction along five station carousels corresponds every station and still distributes in proper order and has battery material loading subassembly, apron steady voltage subassembly and unloading subassembly, wherein, laser welding robot is located between apron steady voltage subassembly and the unloading subassembly, battery material loading subassembly, apron material loading subassembly and unloading subassembly all include:

the horizontal conveying mechanism is fixedly arranged beside the workbench in a horizontal state and is used for driving a plurality of corresponding workpieces positioned at the top of the horizontal conveying mechanism to move along the length direction of the horizontal conveying mechanism;

the material moving mechanism is fixedly arranged at the top of the horizontal conveying mechanism and comprises a first two-axis translation mechanism and a material clamping mechanism, and the first two-axis translation mechanism is used for driving the material clamping mechanism to move a corresponding workpiece between corresponding stations of the horizontal conveying mechanism and the five-station turntable;

the battery feeding assembly and the cover plate feeding assembly are respectively used for moving the single batteries and the protective cover plates, close to the workbench, on the tops of the corresponding horizontal conveying mechanisms to corresponding stations of the five-station turntable, and the material moving mechanism of the blanking assembly is used for moving workpieces on the corresponding stations of the five-station turntable to the corresponding horizontal conveying mechanism;

the apron steady voltage subassembly includes:

the second two-axis translation mechanism is fixedly arranged at the top of the workbench and is provided with an output end which can move randomly in a vertical plane;

the elastic lower pressing piece is horizontally arranged on the output end of the second two-axis translation mechanism, is connected with the output end in a sliding mode in the vertical direction, and is used for pressing the protection cover plate on the single battery through the second two-axis translation mechanism;

and each station of the five-station turntable is fixedly connected with a bearing piece which is in a vertical state and used for placing the single battery, and a fastening mechanism used for fastening and fixing the single battery is fixedly arranged beside each bearing piece and is provided with a voltage stabilizing piece which is horizontally moved in a horizontal plane and used for abutting against the single battery.

Preferably, the second two-axis translation mechanism includes:

the first pneumatic translation mechanism is fixedly arranged at the top of the workbench through a vertical fixing frame and is provided with an output end which is opposite to the corresponding station translation of the five-station turntable along the horizontal direction;

the second pneumatic translation mechanism is fixedly arranged at the output end of the first pneumatic translation mechanism in a vertical state and is provided with a vertical lifting piece which can lift along the vertical direction, the vertical lifting piece is the output end of the second two-axis translation mechanism, and the elastic pressing piece is elastically arranged under the vertical lifting piece in a horizontal state.

Preferably, the resilient hold-down member comprises:

the vertical lifting block is horizontally arranged at the bottom of the vertical lifting piece and is elastically and slidably connected with the vertical lifting piece;

the horizontal pressing plate is horizontally and fixedly arranged at the bottom of the vertical lifting block, and an elastic cushion pad is fixedly connected to the bottom of the horizontal pressing plate.

Preferably, two limiting vertical shafts which are in a symmetrical state are fixedly connected to the top of the vertical lifting block, and each limiting vertical shaft vertically penetrates through the vertical lifting piece, two linear bearings which are in symmetrical state one-to-one correspondence and are in sliding connection with the corresponding limiting vertical shafts are fixedly connected to the vertical lifting piece, and each linear bearing is fixedly connected to the top of the limiting vertical shaft and is used for preventing the top of the limiting vertical shaft from being separated from the top limiting cap of the vertical lifting piece.

Preferably, every spacing vertical axis all is equipped with the spring and the both ends of spring are contradicted vertical lift spare and vertical elevator respectively.

Preferably, hold carrier and be the holding tank that is used for holding battery cell is offered at the top that holds carrier and be the rectangle columnar structure and hold carrier, hold carrier and offer on the lateral wall of one side that is close to the steady voltage piece and be used for communicateing to the holding tank and be used for dodging the logical groove of dodging of steady voltage piece, the chamfer is all done on the top of the lateral wall all around the holding tank.

Preferably, each of the fastening mechanisms further comprises:

the thin-wall cylinder is fixedly arranged at a corresponding position on the five-station turntable in a horizontal state through a horizontal bottom frame, and an output shaft of the thin-wall cylinder is opposite to the avoidance through groove;

the horizontal connecting plate is fixedly connected with an output shaft of the thin-wall cylinder through two nuts, the pressure stabilizing piece is of a plate-shaped structure and is fixedly connected with one side, away from the thin-wall cylinder, of the crocodile horizontal connecting plate, and the elastic buffer layer is fixedly connected with one side, away from the horizontal connecting plate, of the pressure stabilizing piece.

Preferably, the horizontal transport mechanism of unloading subassembly is horizontal conveyor, horizontal conveyor is the fixed station that sets up in subaerial and just to corresponding of five station carousels of horizontal state through the mount, and horizontal conveyor's top fixedly connected with is used for supporting top conveyer belt bearing battery cell's horizontal support long slab, and horizontal conveyor's both ends are two still fixedly connected with and are the symmetric state and be used for being not higher than battery cell to spacing side shield and the side shield of battery cell, and it is fixed to set up in the top of mount to move material mechanism to correspond, battery loading subassembly's structure and the unanimous and battery loading subassembly's horizontal conveyor still are connected with a stop gear on being close to one side shield of workstation one end.

Preferably, the first limiting mechanism is a photoelectric switch fixedly connected to a side baffle plate on one side of one end, close to the workbench, of the corresponding horizontal conveying belt through a connecting frame.

Preferably, the mechanism of the cover plate feeding assembly is consistent with the structure of the blanking assembly, but avoidance sinking grooves for avoiding the corresponding material clamping mechanisms are formed in one ends, close to the workbench, of the two side baffles of the cover plate feeding assembly, one end, close to the workbench, of one of the side baffles on the horizontal conveying belt of the cover plate feeding mechanism is connected with a second limiting mechanism which is consistent with the first limiting mechanism in structure, and the second limiting mechanism is fixedly arranged on the outer wall, provided with the avoidance sinking grooves, of the corresponding side baffle.

Compared with the prior art, the invention has the beneficial effects that:

firstly, the welding of the single batteries is stable and safe, the fastening mechanism for fixing the single batteries and the protective cover plate for protecting the single batteries are arranged, and the safety is higher;

secondly, all the devices in the invention are operated automatically, the labor cost is low, the efficiency is higher, and the protection cover plate is pressed down by the double elasticity of the cover plate voltage stabilizing assembly, so that the protection degree of the single battery is high.

Drawings

Fig. 1 is a schematic perspective view of the embodiment.

Fig. 2 is an enlarged view of a portion of a structure at a in fig. 1.

Fig. 3 is a schematic perspective view of a cover plate feeding assembly according to an embodiment.

Fig. 4 is a schematic perspective view of a horizontal conveyor belt and a protective cover plate in the cover plate feeding assembly of the embodiment.

Fig. 5 is a schematic perspective view of the protective cover of the embodiment.

Fig. 6 is a schematic perspective view of a unit battery, a protective cover plate, a fastening mechanism, and a carrier according to an embodiment.

Fig. 7 is a partial mechanism enlarged view at B in fig. 6.

Fig. 8 is a schematic perspective view of the cover plate voltage stabilizing assembly of the embodiment.

Fig. 9 is a top view of an embodiment of a cover plate stabilizing assembly.

Fig. 10 is a cross-sectional view taken along line C-C of fig. 9.

The reference numbers in the figures are:

1-a workbench; 2-five station turntables; 3-laser welding robot; 4-a single cell; 5-protecting the cover plate; 6-battery feeding assembly; 7-cover plate feeding assembly; 8-a cover plate voltage stabilizing assembly; 9-a blanking assembly; 10-a first two-axis translation mechanism; 11-a material clamping mechanism; 12-a resilient hold down; 13-a carrier; 14-a fastening mechanism; 15-a stabilizer; 16-a limiting part; 17-an elastic protection pad; 18-a first pneumatic translation mechanism; 19-vertical fixing frame; 20-a second pneumatic translation mechanism; 21-a vertical lifter; 22-a vertical lifting block; 23-a horizontal platen; 24-a resilient cushion; 25-limiting the vertical shaft; 26-linear bearings; 27-a top end limit cap; 28-a spring; 29-avoiding the through groove; 30-thin-walled cylinders; 31-a horizontal chassis; 32-horizontal connecting plates; 33-a nut; 34-an elastic buffer layer; 35-a horizontal conveyor belt; 36-a fixing frame; 37-horizontal support long plate; 38-side baffle; 39-a connecting frame; 40-photoelectric switch; 41-avoiding the sink groove.

Detailed Description

For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.

Referring to fig. 1 to fig. 10, single protective housing intelligent welding equipment of power battery who shows, including the workstation 1 that is the horizontality, be the horizontality fixed set up in the five station carousels 2 at workstation 1 top and fixed set up in the laser welding robot 3 of one of them station side of five station carousels 2, still include a plurality of and be used for the protection apron 5 of protection battery cell 4 when laser welding, it has still distributed in proper order to correspond every station along the circumferencial direction of five station carousels 2 battery material loading subassembly 6, apron material loading subassembly 7, apron voltage stabilizing subassembly 8 and unloading subassembly 9, wherein, laser welding robot 3 is located between apron voltage stabilizing subassembly 8 and the unloading subassembly 9, battery material loading subassembly 6, apron material loading subassembly 7 and unloading subassembly 9 all include:

the horizontal conveying mechanism is fixedly arranged beside the workbench 1 in a horizontal state and is used for driving a plurality of corresponding workpieces positioned at the top of the horizontal conveying mechanism to move along the length direction of the horizontal conveying mechanism;

the material moving mechanism is fixedly arranged at the top of the horizontal conveying mechanism and comprises a first two-axis translation mechanism 10 and a material clamping mechanism 11, and the first two-axis translation mechanism 10 is used for driving the material clamping mechanism 11 to move a corresponding workpiece between the horizontal conveying mechanism and a corresponding station of the five-station turntable 2;

the battery feeding assembly 6 and the cover plate feeding assembly 7 are respectively used for moving the single batteries 4 and the protective cover plates 5, close to the workbench 1, on the tops of the corresponding horizontal conveying mechanisms to corresponding stations of the five-station turntable 2, and the discharging assembly 9 is used for moving workpieces on the corresponding stations of the five-station turntable 2 to the corresponding horizontal conveying mechanisms;

the cover plate pressure stabilizing assembly 8 includes:

the second two-axis translation mechanism is fixedly arranged at the top of the workbench 1 and is provided with an output end which can move randomly in a vertical plane;

the elastic lower pressing piece 12 is horizontally arranged on the output end of the second two-axis translation mechanism, is connected with the output end in a sliding manner in the vertical direction, and is used for pressing the protection cover plate 5 on the single battery 4 through the second two-axis translation mechanism;

and each station of the five-station turntable 2 is fixedly connected with a bearing part 13 which is in a vertical state and used for placing the single battery 4, a fastening mechanism 14 used for pressing and fixing the single battery 4 is further fixedly arranged at the side of each bearing part 13, and the fastening mechanism 14 is provided with a voltage stabilizing part 15 which is horizontally moved in the horizontal plane and used for abutting against the single battery 4.

An intelligent monitoring control system is arranged in the intelligent welding equipment, a controller (not shown in the figure) is arranged in the intelligent monitoring system (not shown in the figure), a five-station turntable 2, a laser welding robot 3, three horizontal transport mechanisms, three first two-axis translation mechanisms 10, three clamping mechanisms 11, a second two-axis translation mechanism and a fastening mechanism 14 are electrically connected with the controller, the intelligent monitoring system can monitor the conditions of workpieces on the five-station turntable and the three horizontal transport mechanisms in real time, the operation of each equipment is intelligently controlled through the controller, a plurality of single batteries 4 which are preliminarily assembled in the previous procedure but are not welded are firstly transported to one end, close to a workbench 1, of the top of each single battery 4, the single battery 4 closest to the end is clamped and placed in a bearing piece 13 on the corresponding station by the corresponding material moving mechanism, the single battery 4 is controlled by the corresponding fastening mechanism 14 to tightly support the single battery 4 to prevent the single battery 4 from continuously shaking, the five-station turntable 2 then moves the bearing piece 13 on the station to the next station, the cover plate feeding assembly 7 in the next station transports a plurality of protective cover plates 5 to one end of the top of the protective cover plates close to the workbench 1, the protective cover plate 5 closest to the end is clamped by the corresponding material moving mechanism, the inner side of the protective cover plate 5 is formed with a limiting part 16 for aligning two protruding electrodes at the top of the single battery 4, the inner side of the limiting part 16 is fixedly connected with an elastic protective pad 17, the material moving mechanism enables the two limiting parts 16 of the protective cover plate 5 to align with the two protruding electrodes of the single battery 4 under the help of the intelligent monitoring system, so that the protective cover plate 5 primarily aligns with the single battery 4 and is placed on the single battery 4, the five-station turntable 2 then continues to rotate the single battery 4 and the protective cover plate 5 to the next work, the cover plate voltage stabilizing assembly 8 in the next station moves the elastic lower pressing piece 12 to the position right above the single battery 4 through the second two-axis translation mechanism, subsequently, the elastic pressing piece 12 is controlled to press downwards and abut against the protection cover plate 5, so that the protection cover plate 5 can be clamped on the single battery 4 after being subjected to certain pressure, the protection cover plate 5 is prevented from loosening during welding of the follow-up laser welding robot 3, after the single battery 4 and the protection cover plate 5 move to the next station and are welded by the laser welding robot 3, the corresponding fastening mechanism 14 loosens the pressure stabilizing piece 15 after the single battery 4 and the protection cover plate 5 are loosened, the five-station turntable 2 sends the single battery 4 and the protection cover plate 5 to the next station, and the material moving mechanism of the blanking assembly 9 at the next station takes out the single battery 4 together with the protection cover plate 5 and puts the single battery 4 to the top of the corresponding horizontal transportation mechanism to be sent to the next process.

The second two-axis translation mechanism includes:

the first pneumatic translation mechanism 18 is fixedly arranged at the top of the workbench 1 through a vertical fixing frame 36 and is provided with an output end which is opposite to the corresponding station translation of the five-station turntable 2 along the horizontal direction;

the second pneumatic translation mechanism 20 is fixedly arranged at the output end of the first pneumatic translation mechanism 18 in a vertical state, and is provided with a vertical lifting piece 21 which is lifted along the vertical direction, the vertical lifting piece 21 is the output end of the second two-axis translation mechanism, and the elastic pressing piece 12 is elastically arranged right below the vertical lifting piece 21 in a horizontal state.

The first pneumatic translation mechanisms 18 which are perpendicular to each other and the second pneumatic translation mechanisms 20 are matched to ensure that the vertical lifting piece 21 can move randomly in a vertical plane.

The resilient hold-down 12 comprises:

the vertical lifting block 22 is horizontally arranged at the bottom of the vertical lifting piece 21 and is elastically and slidably connected with the vertical lifting piece 21;

the horizontal pressing plate 23 is fixedly arranged at the bottom of the vertical lifting block 22 in a horizontal state, and the bottom of the horizontal pressing plate 23 is fixedly connected with an elastic cushion pad 24.

The vertical lifting block 22 is driven by the vertical lifting piece 21 to move to the position right above the corresponding protective cover plate 5 and then descend, and the vertical lifting piece 21 continues to press down after the vertical lifting block 22 abuts against the protective cover plate 5, so that the elastic buffer cushion 24 compresses the protective cover plate 5 onto the single battery 4.

Two spacing vertical shafts 25 that are the symmetric state of the top fixedly connected with of vertical elevator block 22, every spacing vertical shaft 25 is vertical to pass vertical lifting member 21 up all, two fixedly connected with are the symmetric state one-to-one spacing vertical shaft 25 and with the linear bearing 26 that corresponds spacing vertical shaft 25 sliding connection on vertical lifting member 21, every the equal fixedly connected with in top of spacing vertical shaft 25 is used for preventing it from deviating from the spacing cap 27 in top of vertical lifting member 21. The vertical limiting shaft 25 has the function of vertical limiting, and the top end limiting cap 27 can ensure that the vertical lifting block 22 cannot be separated from the vertical lifting piece 21.

Every all be equipped with spring 28 on the spacing vertical axis 25 and the both ends of spring 28 are contradicted vertical lift 21 and vertical elevator 22 respectively. Under the dual protection of the elastic force of the spring 28 and the elastic buffer pad 24, the elastic buffer pad 24 can be ensured not to apply excessive pressure on the protection cover plate 5, so that the single battery 4 is damaged, and meanwhile, the elastic protection pad 17 of the protection cover plate 5 can be tightly clamped on the two protruding electrodes of the single battery 4, so that the protection cover plate 5 plays a role in protecting the single battery 4 during the welding of the next process.

The holding tank that is used for holding battery cell 4 is offered at the top that holds carrier 13 and holds carrier 13 that is the rectangle columnar structure, holds carrier 13 and offers on the lateral wall of one side that is close to voltage stabilizing part 15 to be used for communicateing to the holding tank and is used for dodging logical groove 29 of dodging voltage stabilizing part 15, and the chamfer is all done on the top of the lateral wall all around to the holding tank. The stabilizer 15 enters the accommodating groove through the avoiding through groove 29 to press the single battery 4 on the groove wall of the accommodating groove.

Each of the fastening mechanisms 14 further comprises:

the thin-wall cylinder 30 is fixedly arranged at a corresponding position on the five-station turntable 2 in a horizontal state through a horizontal bottom frame 31, and an output shaft of the thin-wall cylinder 30 is opposite to the avoidance through groove 29;

and the horizontal connecting plate 32 is fixedly connected with an output shaft of the thin-wall cylinder 30 through two nuts 33, the pressure stabilizer 15 is of a plate-shaped structure, one side of the pressure stabilizer 15, which is far away from the thin-wall cylinder 30, fixes the smelting-level crocodile horizontal connecting plate 32, and one side of the pressure stabilizer 15, which is far away from the horizontal connecting plate 32, is fixedly connected with an elastic buffer layer 34.

The thin-walled cylinder 30 drives the voltage stabilizer 15 to move horizontally through the horizontal connecting plate 32, and the elastic buffer layer 34 abuts against the side wall of the single battery 4 to tightly press the single battery 4 in the accommodating groove.

Horizontal transport mechanism of unloading subassembly 9 is horizontal conveyor 35, horizontal conveyor 35 is the fixed station that sets up in subaerial and just to corresponding of five station carousels 2 of horizontal state through mount 36, and horizontal conveyor 35's top fixedly connected with is used for supporting the horizontal stay long slab 37 of top conveyer belt bearing battery cell 4, and horizontal conveyor 35's both ends are still two fixedly connected with be the symmetric state and are used for not being higher than battery cell 4 to battery cell 4 spacing side shield 38 and side shield 38, and it is fixed the top that sets up in mount 36 to move the material mechanism to correspond, the structure of battery material loading subassembly 6 and the unanimous and battery material loading subassembly 6's horizontal conveyor 35 still is connected with a stop gear on being close to one side shield 38 of workstation 1 one end with unloading subassembly 9. The tail end of the horizontal conveyor belt 35 of the blanking assembly 9 is close to the workbench 1, the welded single batteries 4 and the protective cover plate 5 move from the tail end of the horizontal conveyor belt 35 to the head end of the horizontal conveyor belt 35, and the conveying direction of the horizontal conveyor belt 35 of the battery feeding assembly 6 is opposite to the conveying direction of the horizontal conveyor belt 35 of the blanking assembly 9.

The first limiting mechanism is a photoelectric switch 40 fixedly connected to the side baffle 38 at one side of one end of the corresponding horizontal conveyor belt 35 close to the workbench 1 through a connecting frame 39. The photoelectric switch 40 is used for monitoring the movement of the single battery 4 to a specified position, when the photoelectric switch 40 senses the single battery 4, a signal is sent to the controller, the controller sends a corresponding signal to the horizontal conveyor belt 35 of the battery feeding assembly 6, so that the horizontal conveyor belt 35 stops moving, and the movement is continued after the subsequent corresponding material moving mechanism takes away the single battery 4.

The mechanism of the cover plate feeding assembly 7 is consistent with the structure of the blanking assembly 9, but the avoidance sinking grooves 41 for avoiding the corresponding material clamping mechanisms 11 are formed in one ends, close to the workbench 1, of the two side baffles 38 of the cover plate feeding assembly 7, one end, close to the workbench 1, of one side baffle 38 on the horizontal conveying belt 35 of the cover plate feeding mechanism is connected with a second limiting mechanism which is consistent with the first limiting mechanism in structure, and the second limiting mechanism is fixedly arranged on the outer wall, at the position, corresponding to the avoidance sinking grooves 41, of the side baffles 38. Since the protective cover 5 is not required to be too high, the two side baffles 38 on the horizontal conveyor belt 35 of the cover feeding assembly 7 are not required to be too high, and the avoiding through groove 29 is used for facilitating the clamping of the protective cover 5 corresponding to the clamping mechanism 11.

The above examples, which are intended to represent only one or more embodiments of the present invention, are described in greater detail and with greater particularity, and are not to be construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. An intelligent welding device for a protective shell of a power battery monomer comprises a workbench (1) in a horizontal state, a five-station turntable (2) fixedly arranged at the top of the workbench (1) in the horizontal state, and a laser welding robot (3) fixedly arranged at one station side of the five-station turntable (2), it is characterized by also comprising a plurality of protective cover plates (5) used for protecting the single batteries (4) during laser welding, wherein a battery feeding component (6), a cover plate feeding component (7), a cover plate pressure stabilizing component (8) and a blanking component (9) are sequentially distributed along the circumferential direction of the five-station turntable (2) corresponding to each station, wherein the laser welding robot (3) is positioned between the cover plate pressure stabilizing assembly (8) and the blanking assembly (9), battery material loading subassembly (6), apron material loading subassembly (7) and unloading subassembly (9) all include:

the horizontal conveying mechanism is fixedly arranged beside the workbench (1) in a horizontal state and is used for driving a plurality of corresponding workpieces positioned at the top of the horizontal conveying mechanism to move along the length direction of the horizontal conveying mechanism;

the material moving mechanism is fixedly arranged at the top of the horizontal conveying mechanism and comprises a first two-axis translation mechanism (10) and a material clamping mechanism (11), and the first two-axis translation mechanism (10) is used for driving the material clamping mechanism (11) to move a corresponding workpiece between the horizontal conveying mechanism and a corresponding station of the five-station turntable (2);

the battery feeding assembly (6) and the cover plate feeding assembly (7) are respectively used for moving the single batteries (4) and the protective cover plates (5) which are close to the workbench (1) and correspond to the tops of the horizontal conveying mechanisms to corresponding stations of the five-station turntable (2), and the discharging assembly (9) is used for moving workpieces on corresponding stations of the five-station turntable (2) to the corresponding horizontal conveying mechanisms;

the cover plate pressure stabilizing assembly (8) comprises:

the second two-axis translation mechanism is fixedly arranged at the top of the workbench (1) and is provided with an output end which can move randomly in a vertical plane;

the elastic lower pressing piece (12) is horizontally arranged on the output end of the second two-axis translation mechanism, is connected with the output end in a sliding mode in the vertical direction, and is used for pressing the protection cover plate (5) on the single battery (4) through the second two-axis translation mechanism;

and each station of the five-station turntable (2) is fixedly connected with a bearing piece (13) which is in a vertical state and used for placing the single battery (4), a fastening mechanism (14) used for pressing and fixing the single battery (4) is further fixedly arranged beside each bearing piece (13), and the fastening mechanism (14) is provided with a pressure stabilizing piece (15) which is used for abutting against the single battery (4) in a horizontal plane in a translation mode.

2. The intelligent welding device for protective casings of power battery cells according to claim 1, wherein the second two-axis translation mechanism comprises:

the first pneumatic translation mechanism (18) is fixedly arranged at the top of the workbench (1) through a vertical fixing frame (36) and is provided with an output end which is opposite to the corresponding station translation of the five-station turntable (2) along the horizontal direction;

the second pneumatic translation mechanism (20) is fixedly arranged at the output end of the first pneumatic translation mechanism (18) in a vertical state, and is provided with a vertical lifting piece (21) which is lifted along the vertical direction, the vertical lifting piece (21) is the output end of the second two-axis translation mechanism, and the elastic pressing piece (12) is elastically arranged under the vertical lifting piece (21) in a horizontal state.

3. The smart welding device of the protective casing of the power battery cell as recited in claim 2, characterized in that the elastic pressing member (12) comprises:

the vertical lifting block (22) is horizontally arranged at the bottom of the vertical lifting piece (21) and is elastically and slidably connected with the vertical lifting piece (21);

the horizontal pressing plate (23) is fixedly arranged at the bottom of the vertical lifting block (22) in a horizontal state, and the bottom of the horizontal pressing plate (23) is fixedly connected with an elastic cushion pad (24).

4. The intelligent welding equipment for the protective housings of the power battery cells as claimed in claim 3, wherein two limiting vertical shafts (25) are fixedly connected to the top of the vertical lifting block (22) and are in a symmetrical state, each limiting vertical shaft (25) vertically penetrates the vertical lifting member (21) upwards, two linear bearings (26) which are in a symmetrical state and correspond to the limiting vertical shafts (25) in a one-to-one manner and are slidably connected with the corresponding limiting vertical shafts (25) are fixedly connected to the vertical lifting member (21), and a top end limiting cap (27) used for preventing the limiting vertical shafts (25) from being disengaged from the top end of the vertical lifting member (21) is fixedly connected to the top end of each limiting vertical shaft (25).

5. The intelligent welding equipment for the protective cases of the power battery cells as claimed in claim 3, wherein each limiting vertical shaft (25) is sleeved with a spring (28), and two ends of each spring (28) respectively abut against the vertical lifting piece (21) and the vertical lifting block (22).

6. The intelligent welding equipment for the protective casings of the power batteries according to claim 1, wherein the supporting member (13) is a rectangular columnar structure, a containing groove for containing the single batteries (4) is formed in the top of the supporting member (13), an avoiding through groove (29) for communicating with the containing groove and avoiding the voltage stabilizing member (15) is formed in one side wall of the supporting member (13) close to the voltage stabilizing member (15), and the top end of the peripheral side wall of the containing groove is chamfered.

7. A smart welding device of protective cases of power cells according to claim 6, characterized in that each fastening mechanism (14) further comprises:

the thin-wall air cylinder (30) is fixedly arranged on the corresponding position of the five-station turntable (2) in a horizontal state through a horizontal bottom frame (31), and an output shaft of the thin-wall air cylinder (30) is opposite to the avoidance through groove (29);

horizontal connecting plate (32), its output shaft fixed connection through two nuts (33) and thin wall cylinder (30), steady pressing piece (15) are platelike structure and steady pressing piece (15) are fixed to practice a grade crocodile horizontal connecting plate (32) and keep away from one side of thin wall cylinder (30), and steady pressing piece (15) keep away from one side fixedly connected with elastic buffer layer (34) of horizontal connecting plate (32).

8. The intelligent welding equipment for the single protective housings of power batteries according to claim 1, wherein a horizontal conveying mechanism of the blanking assembly (9) is a horizontal conveying belt (35), the horizontal conveying belt (35) is horizontally and fixedly arranged on the ground through a fixing frame (36) and just corresponds to a station of a five-station turntable (2), the top of the horizontal conveying belt (35) is fixedly connected with a horizontal supporting long plate (37) for supporting the top conveying belt to support the single batteries (4), two ends of the horizontal conveying belt (35) are also fixedly connected with two side baffles (38) and side baffles (38) which are symmetrically and are used for limiting the single batteries (4) and are not higher than the single batteries (4), the corresponding material moving mechanism is vertically and fixedly arranged at the top of the fixing frame (36), the structure of the battery feeding assembly (6) is consistent with the blanking assembly (9), and the horizontal conveying belt (35) of the battery feeding assembly (6) is close to a workbench (1) One side baffle (38) at one end is also connected with a first limiting mechanism.

9. The intelligent welding equipment for the protective casings of the power battery cells as claimed in claim 8, wherein the first limiting mechanism is a photoelectric switch (40) fixedly connected to a side baffle (38) at one end of the corresponding horizontal conveyor belt (35) close to the workbench (1) through a connecting frame (39).

10. The intelligent welding equipment for the power battery single protective cases is characterized in that the structure of the cover plate feeding assembly (7) is consistent with that of the blanking assembly (9), while the avoidance sunken grooves (41) for avoiding the corresponding clamping mechanisms (11) are formed in one ends, close to the workbench (1), of the two side baffles (38) of the cover plate feeding assembly (7), one end, close to the workbench (1), of one side baffle (38) on the horizontal conveying belt (35) of the cover plate feeding mechanism is connected with a second limiting mechanism which is consistent with the first limiting mechanism in structure, and the second limiting mechanism is fixedly arranged on the outer wall, provided with the avoidance sunken grooves (41), of the corresponding side baffle (38).