CN214013110U

CN214013110U - Novel lead-acid storage battery busbar wiring terminal welding device

Info

Publication number: CN214013110U
Application number: CN202023313131.5U
Authority: CN
Inventors: 林良洪; 罗金志
Original assignee: Wuxi Jialiang Precision Machinery Manufacturing Co ltd
Current assignee: Wuxi Jialiang Precision Machinery Manufacturing Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-08-20
Anticipated expiration: 2030-12-31

Abstract

The utility model belongs to the technical field of welding process, especially, novel lead acid battery busbar binding post welding device now proposes following scheme, specifically includes following process sequence and step: the process sequence is S1: firstly, welding a first row of busbars; s2: then welding a second bus bar; s3: then, welding a wiring terminal; s4: finally, pressing the pole group into a battery plastic shell; the specific welding steps are as follows: step one; die assembly: the battery enters a welding station. The utility model discloses its purpose of type lead acid battery busbar utmost point post terminal welding machine aims at overcoming the not enough of prior art existence, and it is big to solve cast joint workman intensity of labour through the welded mode, and work fatigue, the dangerous scheduling problem of lead explosion welds binding post simultaneously, and the direct terminal welding terminal of putting the back track directly merges the front track technology, and the simplified operation reduces the cost of labor, improves production efficiency.

Description

Novel lead-acid storage battery busbar wiring terminal welding device

Technical Field

The utility model relates to a welding process technical field especially relates to a novel lead acid battery busbar binding post welding device.

Background

In the production process of the storage battery in the prior art, generally, a pole group is manually placed into a clamp by a worker, and then the clamp is conveyed to a cast-weld machine through a cast-weld conveyor to cast-weld a busbar and a pole; or the pole group is plugged into the plastic shell through a slot-entering machine and is transported to a cast-weld machine for cast-weld through the turnover plate. The welding of the lead-acid storage battery, in particular to the welding of a binding post of the lead-acid storage battery for an electric vehicle, refers to a process of connecting a positive plate tab of one side of a battery plate group and a negative plate tab of the other side of the battery plate group in series after melting to realize the welding of the binding post into a whole. The manual welding is firstly adopted, the tab of the pole piece is melted after gas is selected and burnt at high temperature, the welding flux is added, and then the cooling forming is carried out, so that the welding of the binding post is realized. With the improvement of automation level, the cast welding method is generally adopted in the market at present, and the welding of the battery wiring terminal is realized by matching with an automatic or semi-automatic welding machine.

The cast-weld method is that the alloy lead is heated and melted into liquid state in a lead pot, the liquid lead is added into a welding mold cavity, then the battery is placed upside down, the pole ear is inserted into the lead liquid mold cavity downwards, so that the pole pieces are melted into a whole, and the welding of the binding post is realized. However, the manual gas welding process has the defects that: the labor intensity is high, the welding environment is poor, and the physical health of operators is not facilitated. The welding quality consistency is poor, and the battery quality controllability is poor. The automatic or semi-automatic cast welding has the same defect of high labor intensity, and simultaneously, the energy consumption is higher and the welding cost is higher because the lead liquid is heated by heat preservation all the time. The welding environment can not be relatively isolated, lead dust pollution is large, and the health of operators is influenced by the problems of lead explosion danger and the like.

SUMMERY OF THE UTILITY MODEL

Based on the technical problem who proposes in the background art, the utility model provides a novel lead acid battery busbar binding post welding device.

The utility model provides a novel lead acid battery busbar limit terminal welding device, including the frame bottom plate, the welding module frame, the assembly line, welder moving mechanism, elevating system, wire feeding mechanism, lead welding wire carousel and welding frock mould, install welding module frame and welding frock mould on the frame bottom plate, welder moving mechanism is installed at the top of welding module frame, but install Y on the welder moving mechanism to the welder Y of removal to moving mechanism, but welder Y is equipped with X on to moving mechanism to the welder X of removal to moving mechanism, descend battery welded reasonable height for welder, still corresponding elevating system of having designed, install wire feeding mechanism and welder on the elevating system, be equipped with the carousel that provides the lead alloy welding wire for wire feeding mechanism in the welding module frame, be used for automatic sending silk.

Preferably, the welding tooling die comprises a first welding comb plate, a second welding comb plate and a middle pressing bar; the cavity grooves of the first welding comb plate and the second welding comb plate are composed of a plurality of toothed strips.

Preferably, the lifting mechanism is driven by a lifting cylinder to move up and down, the lifting cylinder is installed on the welding module rack, and the lifting mechanism is fixed with the welding gun, the welding gun moving mechanism and the wire feeding mechanism.

Preferably, the welding tooling die comprises a workbench, a support column, an auxiliary guide rail, a first welding comb plate, a second welding comb plate and a middle pressing strip.

The utility model provides a beneficial effect does:

1. this novel lead acid battery busbar binding post welding process, its purpose of novel lead acid battery busbar utmost point post terminal welding machine aims at overcoming the not enough that prior art exists, and it is big to solve cast joint workman intensity of labour through the welded mode, and work fatigue, the dangerous scheduling problem of lead explosion, and welding binding post simultaneously, it is direct to put the terminal welding terminal directly to merge the front process with the back, and the simplified operation reduces the cost of labor, improves production efficiency.

2. This novel lead acid battery busbar binding post welding process, the beneficial effects of the utility model: the utility model discloses the welding process that adopts welds effectually, and production efficiency is high, saves back end process simultaneously, and degree of automation is high simultaneously, convenient automation mechanized operation, and the operation space is relatively independent, and occupation space is little, can realize unmanned automatic welding, greatly reduced the security problem of cost of labor and operation. Workers only need to monitor the welding process, can be far away from a dangerous operation area, greatly reduces the labor intensity and plays a role in guaranteeing personal safety and health. The unique discharge heating mode is adopted, the heating efficiency is high, and the energy consumption is greatly reduced. Meanwhile, the welding material is made of materials with higher tabs, so that the material consumption is greatly reduced. The utility model discloses synthesize and realize that save people, laborsaving, economize the material, consumption reduction is carried the effect, the cost is reduced has promoted the quality.

The parts of the device not involved are the same as or can be implemented using prior art.

Drawings

Fig. 1 is a schematic diagram of a welding step of a welding process of a bus bar terminal of a novel lead-acid storage battery (before welding (after a slot entering machine enters the slot), welding a first bus bar, welding a second bus bar, welding a terminal, and pressing a pole group into a plastic shell);

FIG. 2 is a schematic structural diagram of a novel lead-acid battery busbar terminal welding process according to the present invention;

FIG. 3 is a flow chart of a lead-acid battery bus bar terminal welding machine of the novel lead-acid battery bus bar terminal welding process provided by the invention;

FIG. 4 is a block diagram of a lead-acid battery welding process for a bus bar terminal of a novel lead-acid battery according to the present invention;

FIG. 5 is a schematic diagram of a lead-acid battery welding tool mold of the novel lead-acid battery busbar wiring terminal welding process provided by the invention;

FIG. 6 is a schematic view of the structure I in FIG. 5;

FIG. 7 is a schematic structural view of II of FIG. 6;

fig. 8 is a schematic structural view of iii of fig. 5.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, an application process of a novel welding device for bus bar connecting terminals of lead-acid storage batteries is that batteries are placed on a conveying line, firstly, a pole group is arranged, then the batteries reach a first station, are clamped, and are welded with a first bus bar, after welding is completed, the next step is continuously carried out, the batteries reach a second station to be welded with a second bus bar, after welding is completed, the batteries continue to reach a third station to be welded with the connecting terminals, and after welding is completed, the batteries continue to advance, and the pole group is pressed into a plastic shell after reaching a fourth station, so that the process is completed.

After a lead-acid storage battery which is not welded enters a groove from a groove entering machine, the lead-acid storage battery is shaped through a lug, and then the lead-acid storage battery is transported to a local conveying line through an upper assembly line, the driving shaft is driven and conveyed through a conveying line speed reducing motor, a driving chain wheel is driven, the storage battery is conveyed through the movement of a chain plate line, the storage battery is positioned and clamped through a conveying line, the storage battery arrives when the station arrives at an induction switch, the storage battery arrives, a signal is immediately sent to a PLC (programmable logic controller), the clamping module starts to act, the storage battery is clamped, the welding module starts to weld at the station, the first row of bus bars is welded well, the welding is finished by changing the welding into the first row of bus bars, the welding is finished, the battery clamping module is loosened, the battery leaves, the signal is sensed when the station leaves, and the signal is transmitted to the PLC. The battery continues to reach the next station (station two), the station two arrives the inductive switch and senses that the battery arrives, send a signal to PLC immediately, the station two clamps the module and begins to move, the battery presss from both sides tightly, the station two welding module begins to weld at this moment, weld the second busbar well, the welding completion just becomes to weld the second busbar battery, the welding completion at this moment, the battery presss from both sides tight module and loosens, the battery leaves, the station two leaves and senses that there is the signal, transmits to PLC. The battery continues to reach the next station (station three), the station three reaches the inductive switch, the inductive switch senses that the battery arrives, a signal is immediately sent to the PLC, the station three clamping module starts to act, the battery is clamped, the station three wiring terminal welding module starts to weld at the moment, the wiring terminals are welded well, the welding is finished, the welding terminal row battery is changed into a welding terminal row battery, the battery clamping module is loosened, the battery leaves, the station three leaves the inductive switch, and the signal is transmitted to the PLC. The battery continues to reach the next station (station four), the station four reaches the inductive switch, the inductive switch senses that the battery arrives, a signal is immediately sent to the PLC, the station four clamping module starts to act, the battery is clamped, the pole group is pressed into the plastic shell module, the pole group of the battery with the welded wiring terminal, which is higher than the plastic shell, is pressed into the plastic shell through the air cylinder and the pressing block, and the battery becomes a welded pressed battery. After the completion, the battery clamping module is loosened, the battery leaves, and the signal is sensed when the station four leaves, and is transmitted to the PLC. At this point the welding process is complete and the battery flows out by transport.

The specific welding step of the welding module is as follows:

step one; die assembly: the battery gets into the welding station, and the battery is upright state, and its utmost point ear is up, and in first welding fishback, the utmost point ear space of second welding fishback compound die insertion battery, the middling pressure strip pushed down, and the middling pressure strip is in between first welding fishback, the second welding fishback, forms the welding die cavity with both, and at this moment, utmost point ear height should be higher than the last plane of welding die cavity, convenient welding.

Step two; welding preparation: laying of busbar and binding post part, placing two rows of busbar parts in welding die cavity in proper order according to technology order, comparing in battery technology before, having done the innovation in battery lead terminal department, put binding post by original utmost point post cast joint to the next process, manual welding directly becomes directly to weld binding post on the busbar through the welded mode, so not only can save the next process, save manufacturing cost moreover. The welding gun and the wire feeding mechanism are moved to the position above the pole group pole lug of the battery to be welded, and because the welding heights of the bus bar and the pole lug are different from each other by each manufacturer, the distance between the welding gun muzzle and the pole lug of the binding post to be welded of the battery can be adjusted according to the process requirements of different manufacturers, and is about 2-5mm higher.

The process parameter setting required to be set in the welding preparation stage mainly comprises the following steps: the welding gun position comprises welding gun moving speed, welding gun static position and welding gun static time, wherein the welding gun moving speed is 2-5mm/s, and the welding gun static time is 0.5-1 s; the wire feeding speed comprises a wire feeding position and wire feeding time, the distance between the wire feeding position and a gun mouth of a welding gun is 2-5mm, and the wire feeding time is 0.5-1 s; the heating parameters comprise the welding current and the on-off time of a welding gun, the welding current of the welding gun is 30-60A, the on-off time is 1-2s of power-on, and the power-off time is 0.5-1 s.

Step three; and (3) welding the bus bar, namely the connecting terminal: through the large current discharge generated by a welding gun, the lead alloy welding wire flow rows, namely the connecting terminals, are welded and respectively melted with two rows of lugs of a battery pole group into a whole, so that an effective bus bar and positive and negative connecting terminals which can be connected with positive and negative plates of the battery are formed.

Step four; demolding: the first welding comb plate and the second welding comb plate respectively move away from and away from the opposite two directions, the middle pressing strip moves upwards to realize battery demoulding, the welded battery is transferred to the next procedure, and the welding station prepares for welding of the next battery;

step five; repeating the above processes, and repeating the steps in the above way to realize the welding of the battery.

During welding, the battery flows into the first station, the welding gun and the wire feeding mechanism move along the first row of electrode lugs of the battery to weld a bus, then the welding gun and the wire feeding mechanism reach the second station, the welding gun and the wire feeding mechanism move along the second row of electrode lugs of the battery to weld the bus, then the welding gun and the wire feeding mechanism weld the wiring terminals at the positive and negative terminals of the battery. In order to facilitate welding, the battery is in a half-groove state, so after welding is finished, a fourth station is needed to press the welded pole group into the plastic shell by using a pressing block, and at the moment, the welding process is finished.

Referring to fig. 1 to 5, the welding process uses a dedicated welding machine to weld the battery bus bars, i.e., the connection terminals. Wherein, the welding module includes: the welding machine comprises a rack bottom plate, a welding module rack, a production line, a welding gun moving mechanism, a lifting mechanism, a wire feeding mechanism, a lead welding wire rotating disc and a welding tool mold. The welding module rack and the welding tool die are installed on the rack bottom plate, the welding gun moving mechanism is installed at the top of the welding module rack, the welding gun Y-direction moving mechanism capable of moving in the Y direction is installed on the welding gun moving mechanism, and the welding gun X-direction moving mechanism capable of moving in the X direction is arranged on the welding gun Y-direction moving mechanism. In order to enable the welding gun to descend to a reasonable height for welding the battery, the lifting mechanism is correspondingly designed, the wire feeding mechanism and the welding gun are installed on the lifting mechanism, and the rotary table for providing a lead alloy welding wire for the wire feeding mechanism is installed on the welding module rack and used for automatically feeding the wire. Meanwhile, a welding tool die is necessary during welding, and the tab is convenient to position and correct during welding, so that the welding is more convenient. The welding tooling die comprises a first welding comb plate, a second welding comb plate and a middle pressing strip. The cavity grooves of the first welding comb plate and the second welding comb plate are formed by a plurality of toothed strips, the toothed strips are just like teeth of a comb, the purpose is mainly to avoid polar lugs, the toothed strips are inserted into polar lug neutral positions of a battery during working, and the middle pressing strips are folded to form a welding cavity, so that the welding is facilitated. The middle pressing bar is driven and controlled by the auxiliary lifting mechanism to realize the descending and ascending actions of die assembly and die release.

The lifting mechanism is driven by a lifting cylinder to move up and down, the lifting cylinder is installed on the welding module rack, and the lifting mechanism is fixed with a welding gun, a welding gun moving mechanism and a wire feeding mechanism. What be used for fixedly on the mounting panel of fixed wire feeder and welder is the arc wall of regulation installation, and welder angle adjustment mechanism can adjust the angle that welder and sent a silk, conveniently finds more suitable angle and welds.

Referring to fig. 5 to 8, the welding tooling mold includes a worktable, a support pillar, an auxiliary guide rail, a first welding comb plate, a second welding comb plate, and a middle pressing bar. The first welding comb plate and the second welding comb plate can be close to or far away from each other along the length direction of the auxiliary guide rail to move, a positioning central cavity allowing a battery to penetrate out is formed in the middle of the workbench, a first cavity group is arranged on one side wall of the first welding comb plate facing the second welding comb plate and consists of a plurality of first cavity grooves with openings, a second cavity group is arranged on one side wall of the second welding comb plate facing the first welding comb plate and consists of a plurality of second cavity grooves with openings, the first cavity grooves and the second cavity grooves are arranged in a staggered mode, a plurality of tooth-shaped strips are arranged in the first cavity grooves and the second cavity grooves respectively, tooth inserting grooves allowing lugs of the battery to penetrate out are formed between adjacent tooth-shaped strips, a medium-pressure strip can be arranged between the first welding comb plate and the second welding comb plate after the die is closed, two side walls of the medium-pressure strip are abutted to end faces of the tooth-shaped strips in the first cavity grooves and the second cavity grooves respectively, and sealing the openings of the first cavity groove and the second cavity groove to form a plurality of closed welding cavities.

Be equipped with first layer board, the second layer board that is used for bearing median lamella on first welding fishback, the second welding fishback respectively, the bilateral symmetry of median lamella is equipped with the support curb plate, the lateral wall that supports the curb plate is used for the opening in first die cavity groove of shutoff and the second die cavity groove respectively.

The first cavity group is composed of a plurality of first cavity grooves and comprises two short grooves and two first long grooves corresponding to the battery unit cells on one side of the battery, and the second cavity group is composed of a plurality of second cavity grooves and comprises three second long grooves corresponding to the battery unit cells on the other side of the battery.

The both ends symmetry of first welding fishback bottom is equipped with and can follows the first slide of auxiliary guide rail removal, and the both ends symmetry of second welding fishback bottom is equipped with the second slide that can follow the auxiliary guide rail removal.

The utility model relates to a novel lead acid battery busbar binding post welding set, the battery is upright state during the welding, and package board utmost point ear up is in half and goes into the groove state, and the die cavity groove of first, second welding die cavity mould comprises several cusp strip, and this cusp strip is just like the tooth of comb, and the purpose is mainly in order to dodge utmost point ear, and the utmost point ear neutral position of during operation cusp strip insertion battery forms the welding die cavity after the well layering folds, convenient welding. Wire feeder can realize sending the welding wire automatically utility model choose for use be the lead alloy silk that accords with battery technological requirement, discharge through the heavy current that welder produced, lead alloy welding wire flow row promptly binding post welding respectively with the two rows of utmost point ears of battery utmost point crowd melt an organic whole, form effective busbar and positive and negative binding post that can connect battery positive and negative polar plate. During welding, the battery flows into the first station, the welding gun and the wire feeding mechanism move along the first row of electrode lugs of the battery to weld a bus, then the welding gun and the wire feeding mechanism reach the second station, the welding gun and the wire feeding mechanism move along the second row of electrode lugs of the battery to weld the bus, then the welding gun and the wire feeding mechanism weld the wiring terminals at the positive and negative terminals of the battery. When welding of one station is completed, the first welding cavity die and the second welding cavity die move away from two sides respectively, and the middle pressing strip can realize battery demoulding.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a novel lead acid battery busbar binding post welding device which characterized in that: the automatic welding machine comprises a frame bottom plate, the welding module frame, the assembly line, welder moving mechanism, elevating system, wire feeding mechanism, lead welding wire carousel and welding tooling mould, install welding module frame and welding tooling mould on the frame bottom plate, welder moving mechanism is installed at the top of welding module frame, but install Y on the welder moving mechanism to the welder Y of removal to moving mechanism, but welder Y is equipped with X to the welder X of removal to moving mechanism on to moving mechanism, descend to battery welded reasonable height for welder, still corresponding elevating system that has designed, install wire feeding mechanism and welder on the elevating system, be equipped with the carousel that provides the lead alloy welding wire for wire feeding mechanism in the welding module frame, be used for automatic wire feeding.

2. The novel lead-acid storage battery bus bar terminal welding device of claim 1, characterized in that: the welding tool die comprises a first welding comb plate, a second welding comb plate and a middle pressing bar; the cavity grooves of the first welding comb plate and the second welding comb plate are composed of a plurality of toothed strips.

3. The novel lead-acid storage battery bus bar terminal welding device of claim 2, characterized in that: the lifting mechanism is driven by a lifting cylinder to move up and down, the lifting cylinder is installed on the welding module rack, and the lifting mechanism is fixed with a welding gun, a welding gun moving mechanism and a wire feeding mechanism.

4. The novel lead-acid storage battery bus bar terminal welding device of claim 3, characterized in that: welding frock mould includes workstation, support column, auxiliary guide, first welding fishback, second welding fishback, middling pressure strip.