CN104551332B - Lead-acid battery pole group welding module reciprocating conveying device - Google Patents

Abstract

The invention discloses a lead acid battery polar group welding module reciprocating conveying device. The lead acid battery polar group welding module reciprocating conveying device comprises a stander and a lead acid battery polar group welding module which is arranged on the stander, wherein the lead acid battery polar group welding module comprises a base and a polar group welding fixture which is arranged above the base, the base is provided with a fixture elevation mechanism for driving a polar group welding fixture to rise, polar group welding module reciprocating drive units are laterally arranged in the middle part of the stander side by side, each polar group welding module reciprocating drive unit is connected with the polar group welding module and drives the polar group welding module to make horizontal reciprocating motion along the transverse direction. The polar group welding module is driven by the polar group welding module reciprocating drive units to move horizontally along the transverse direction in a reciprocating manner, the polar group arrangement action and the polar group welding action are respectively completed on two positions, then the two polar group welding modules are changed over, and the polar group horizontal conveying device pushes the well-welded polar group to move backwards to complete an entrance action, and the welding efficiency is higher.

Description

Lead-acid battery pole group welding module reciprocating conveying device

technical field

The invention relates to a lead-acid battery electrode group welding technology.

Background technique

The existing lead-acid battery electrode group welding machine adopts linear one-way conveying, which affects the welding efficiency.

Contents of the invention

The technical problem to be solved by the present invention is to provide a reciprocating conveying device for lead-acid battery electrode group welding modules to improve welding efficiency.

In order to solve the above-mentioned technical problems, the present invention adopts the following technical scheme: the lead-acid battery pole group welding module reciprocating conveying device includes a frame and a lead-acid battery pole group welding mold arranged on the frame, and the lead-acid battery pole group The welding module includes a base and an electrode group welding fixture arranged above the base. The base is provided with a jig lifting mechanism that drives the electrode group welding fixture to rise and fall. The middle part of the frame is provided with a reciprocating drive unit for the electrode group welding module side by side. , the reciprocating drive unit of the pole group welding module is connected with the pole group welding module and drives the pole group welding module to reciprocate horizontally along the transverse direction, and the reciprocating drive unit of the pole group welding module includes a driving screw of the pole group welding module , the driving screw of the pole group welding module is driven by the driving motor of the pole group welding module, and the bottom of the base is provided with a screw nut matched with the screw.

Preferably, the jig lifting mechanism includes a jig lifting cylinder vertically installed in the center of the base, the piston rod of the jig lifting cylinder is connected to the pole group welding fixture, and the four corners of the pole group welding fixture are provided with vertical fixture guide columns , the base is provided with a guide sliding sleeve for the clamp guide column to pass through.

Preferably, linear slide rails are arranged side by side on both sides of the driving screw of the pole group welding module, and linear slide blocks are provided on the front and rear sides of the base to slide and cooperate with the linear slide rails.

The present invention does not adopt the currently more commonly used linear one-way conveying method, but uses the reciprocating driving unit of the pole group welding module to drive the pole group welding The group welding action, and then the two electrode group welding modules are reversed, and the electrode group horizontal conveying device will push the welded electrode group to move backward to complete the boxing action, and the welding efficiency is higher.

Description of drawings

The present invention will be further described below in conjunction with accompanying drawing and specific embodiment:

Figure 1 is a schematic diagram of the front structure of the pole group welding machine;

Fig. 2 is a top view of the pole group welding machine;

Fig. 3 is a side view of the pole group welding machine;

Fig. 4 is a structural schematic diagram of a lead-acid battery electrode group heating and welding fixture;

Fig. 5 is A-A sectional view among Fig. 4;

Fig. 6 is a schematic diagram of the initial state of the lead-acid battery electrode group heating and welding fixture;

Fig. 7 is a schematic diagram of the lead-acid battery pole group heating and welding jig after the middle positioning plate compresses the pole group;

Fig. 8 is a schematic diagram of the lead-acid battery electrode group heating and welding jig after the tabs are clamped by the tab positioning plates on both sides;

Fig. 9 is the structural representation of lead bridge;

Fig. 10 is a structural schematic diagram of the lead bridge positioned and supported on the lug positioning plate;

Fig. 11 is a schematic diagram of the cross-sectional structure of the lead bridge position in Fig. 10;

Fig. 12 is another structural schematic diagram of the lead-acid battery electrode group heating and welding jig.

detailed description

As shown in Figures 1 to 3, the lead-acid battery electrode group welding machine includes a frame 6, and an electrode group horizontal conveying device 61 is provided between the head and the tail of the frame 6, and the lead-acid battery electrode group to be welded Input from the head of the extreme group horizontal conveying device 61, the extreme group horizontal conveying device 61 includes a conveying chain, and a conveying sprocket 612 is provided at the head and tail of the frame, wherein the tail is a driving sprocket and the head is a driven sprocket A tensioning sprocket is also provided between the driving sprocket and the driven sprocket, and a pole group conveying motor 611 is arranged below the frame tail, and the pole group conveying motor 611 drives the driving sprocket to rotate through a transmission chain.

The pole group welding device is provided in the middle of the frame 6, and the pole group welding device is located inside the box body 65 as a whole. Group arrangement, the pole group welding is performed in the pole group welding area B.

The pole group welding device includes two sets of pole group welding modules 5, and the pole group welding module 5 includes a base 51 and an pole group welding fixture 52 arranged above the base. The base includes a bottom plate 511 and a top plate parallel to the top of the bottom plate. The base 511 is provided with a jig lifting mechanism that drives the pole group welding jig 52 up and down. The jig lifting mechanism includes a jig lifting cylinder 516 vertically installed in the center of the base. , the base is provided with a support column 514 outside the clamp lifting cylinder 516, the upper end of the support column supports the top plate, the clamp lifting cylinder is installed on the top plate, the piston rod of the clamp lifting cylinder is connected with the pole group welding fixture 52, and the pole group welding fixture The four corners of 52 are provided with vertical clamp guide columns 521, and the base is provided with guide sliding sleeves 515 for the clamp guide columns to slide through.

A lead-acid battery pole group welding module reciprocating conveying device is provided in the middle of the frame to make the lead-acid battery pole group welding module reciprocate between the pole group finishing area A and the pole group welding area B, the lead-acid battery pole group The welding module reciprocating conveying device includes a pole group welding module reciprocating drive unit 63 arranged side by side in the middle of the frame 6, and the pole group welding module reciprocating drive unit 63 is connected with the pole group welding module and drives the pole group welding mold Group 5 reciprocates horizontally along the transverse direction, and the reciprocating drive unit 63 of the extreme group welding module includes a driving screw 631 of the extreme group welding module, and the driving screw 631 of the extreme group welding module is driven by a driving motor 632 of the extreme group welding module. Drive, the bottom of the base is provided with a lead screw nut 512 that cooperates with the lead screw of the pole group welding module. Linear slide rails 633 are arranged side by side on the left and right sides of the drive screw 631 of the pole group welding module, and linear slide blocks 513 are provided on the front and rear sides of the base to slide and cooperate with the linear slide rails 633 .

The frame 6 corresponds to the pole group arrangement area A and is provided with a pole group positioning mechanism to position the pole group so that the pole group enters the pole group welding fixture. The pole group positioning mechanism can be realized by a positioning cylinder lifting structure; the frame A three-axis numerical control mechanism 64 is provided above the corresponding electrode group welding area B, and the three-axis numerical control mechanism 64 is connected with a musket nozzle 641, and the three-axis numerical control mechanism drives the musket nozzle to move to the pole group welding module 5. Do the welding.

The lead-acid battery electrode group is composed of several groups of electrode group units arranged in sequence, as shown in Figure 4 and Figure 5, the electrode group welding fixture 52 includes a mold shell for holding the electrode group 3, and the electrode group 3 is composed of several groups It consists of pole group units arranged in sequence, and pole ears 31 are arranged on the pole group, and the positive and negative poles of two adjacent pole group units are connected. The middle part of the upper side of the mold shell is provided with an intermediate positioning plate 2, and the left and right sides of the middle part of the intermediate positioning plate are provided with lug positioning plates 1. , the tab positioning plate 1 is horizontally flush with the tabs 31 of the pole group and driven by a horizontal positioning drive device, and the tab 31 of the pole group 3 is positioned between the intermediate positioning plate and the tab positioning plate. tab positioning structure.

Specifically, the lug positioning structure includes sawtooth 21 arranged on the left and right sides of the middle positioning plate, and comb teeth 11 arranged on the inner side of the lug positioning plate. head. The serrated teeth are in an isosceles trapezoidal structure, while the roots of the comb teeth are rectangular, and the pointed head is in an isosceles trapezoidal shape. The tabs are positioned in the gaps between adjacent comb teeth, and the tip of the comb teeth cooperates with the tooth grooves of the teeth to facilitate automatic guidance during shaping and positioning.

In addition, the tab positioning plate is provided with pole positioning slots 13 for placing the poles of the pole group. The position of the positioning groove of the pole corresponds to the position of the pole, and the pole is placed in it, and the pole and the tab are welded together when heated and welded.

As shown in FIG. 6 , in the initial state, the intermediate positioning plate 2 is first pressed down under the driving of the lifting device, and the pole group is first flattened and initially positioned.

As shown in FIG. 7 , the tab positioning plate 1 is then pressed toward the middle at the same time to shape and position the tab.

As shown in Figure 8, after the lug is shaped, it can be heated and welded. Since the cavity formed by the fixture is higher than the lug, it can prevent the lead liquid from flowing out during welding, which is convenient for welding and forming of the busbar. The lug extends into the cavity of the fixture for heating and welding, and its height can be adjusted by the thickness of the lug positioning plate.

The above-mentioned lifting positioning device and horizontal positioning driving device can all adopt air cylinders, hydraulic cylinders or motors.

As shown in Figure 9 and Figure 10, a lead bridge 4 is set between the positive and negative poles of two adjacent pole group units of the lead-acid battery pole group, and the lead bridge is heated and welded with the positive and negative poles of the two adjacent pole group units .

The lead-acid battery pole group heating and welding bridge structure includes a tab positioning plate 1, and a lead bridge 4 is arranged on the tab positioning plate to connect the positive and negative electrodes of two adjacent pole group units by heating and welding. The lead bridge includes The U-shaped bridge body portion 41 and the L-shaped leg portions 42 arranged on the left and right sides of the bottom of the U-shaped bridge body portion.

The tab positioning plate is provided with a support plate 12 between two adjacent pole groups to support the lead bridge. On the one hand, the support plate is used for the isolation of the busbar during the pole group welding, and in addition, it plays the role of positioning and supporting the lead bridge 4 . Among them, the lead bridge is a mold casting structure, so multiple lead bridges can be formed through one pair of molds at one time.

The lead bridge can be directly connected with the positive and negative poles of two adjacent pole groups by heating and welding, and the traditional heating and welding process of the pole groups and the bridge welding process can be completed at one time.

The L-shaped leg portion 42 of the lead bridge is connected to the tab, and can be thickened or lengthened. It can be used to fill the busbar during heating and welding. The thickness of the busbar can be controlled by the size of the L-shaped leg portion 42. Thereby, the process of melting and burning lead strips to assist lead welding during welding is omitted, which is convenient for realizing automation.

The heating fusion welding mentioned above includes flame welding and electric heating fusion welding. In this embodiment, flame welding is used.

Wherein, as shown in FIG. 2 , the above-mentioned horizontal positioning driving device 53 includes a fixture clamping screw 531, and the clamp clamping screw 531 is driven by a clamp driving motor 532, and the clamp clamping screw 531 is provided with two Two lug positioning lead screw nuts 533, the two lug positioning lead screw nuts 533 are respectively connected to the lug positioning plates 1 on both sides, in addition, clamp clamping guide rods are arranged in parallel on both sides of the clamp clamping screw 531 534 , the lug positioning plate 1 is also connected with a clamping guide sleeve, and the clamping guide sleeve slides and nests on the clamping guide rod 534 .

After the pole group 3 is transported to the pole group sorting area A by the pole group horizontal conveying device 61, the pole group positioning mechanism is used to initially position the pole group; at this time, the jig lifting cylinder 516 is in a raised state, and multiple groups of pole groups (this embodiment The center is two sets of pole groups) initially positioned in the mold shell, then the clamp lifting cylinder retracts to lower the pole group welding fixture 52 to the tab positioning plate 1 where the tab 31 can be clamped, and then the fixture drive motor 532 drives the fixture to clamp The lead screw 531 rotates, and the two tab positioning screw nuts 533 drive the tab positioning plate to move to the middle, thereby clamping the tabs. Then manually put the pole and lead bridge 4 into the corresponding position. After the completion, the pole group welding module reciprocating drive unit 63 moves the pole group welding module 5 to the pole group welding area B as a whole, and the other part of the original pole group welding area B A group of pole group welding modules moves to the pole group finishing area A under the drive of another pole group welding module reciprocating drive unit 63; After the group welding module arrives at the pole group welding area B, the three-axis numerical control mechanism 64 and the gun nozzle 641 start to work, and the three-axis numerical control mechanism welds the tabs according to the cavity trajectory of the corresponding busbar, and horizontally positions the driving device 53 after welding is completed Unclamp the pole lug, and the clamp lifting cylinder 516 rises. At this time, the pole group welding module in the pole group sorting area A also completes the sorting action, and the two pole group welding modules can be reversed at the same time, and the pole group horizontal conveying device will push the pole group welded in the pole group welding area B to Then move, and make the pole group enter the area C of the pole group entry box.

Corresponding to the pole group box-in area C at the rear of the frame 6, an pole-group box-in mechanism for putting the pole group 3 into the battery box is provided. The pole group box-entry mechanism includes a pole group pressing plate 621, an pole group box-entry cylinder 622 is arranged above the pole group pressing plate 621 to drive the pole group pressing plate 621 to lift, and the top four corners of the pole group pressing plate are provided with lifting guide columns 623. The guide post 623 slides within the lift guide sleeve. The pole group welded by the pole group welding device is transported by the pole group horizontal conveying device 61. In order to stop the transportation when the pole group is transported directly under the pole group pressing plate 621 so as to facilitate the operation of the pole group into the box, the rack is equipped with a counter pole The pole group positioning cylinder 613 for positioning. When the pole group is transported in place, the pole group positioning cylinder 613 rises to prevent the pole group from continuing to be transported. After retracting, the pole group after entering the box continues to be transported to the next process together with the battery box.

The lead-acid battery electrode group welding machine of the present invention does not adopt the currently more commonly used casting welding method, but adopts the principle of heating fusion welding, uses flame heating and welding, and automatically welds, and the production efficiency can reach 3 to 10 times that of manual labor. Compared with the commonly used casting welding method at present, the main advantage is low production cost, which is mainly reflected in the following points: 1. Consumables such as jigs, molds, casting liquid, cutting brush ears, heating tubes and easy-to-use parts used in casting welding 2. The lead-melting furnace that consumes a lot of power in casting welding can also be omitted. This welding machine only performs local heating and welding on the tabs that need to be welded, which can save energy consumption.

As shown in Figure 12, it is another structure of the lead-acid battery electrode group heating and welding fixture. The difference is that the middle positioning plate 2 is separated in the middle and consists of two separate positioning plates. The positioning plates can be moved separately to make the positioning of the tabs more precise.

Claims (3)

1. lead-acid battery pole group welding module reciprocating conveying device, lead-acid battery pole group's weld mold including frame and in frame, it is characterized in that: described lead-acid battery pole group welding module includes base and the pole group's weld jig above base, described base is provided with the jig lifting mechanism of driving stage group's weld jig lifting, it has been arranged side by side pole group welding module reciprocating drive unit about described central rack, described pole group welding module reciprocating drive unit is connected with pole group welding module and driving stage group welding module transversely horizontal reciprocating movement, described pole group welding module reciprocating drive unit includes pole group welding module and drives leading screw, described pole group welding module drives leading screw to be driven by pole group welding module motor, described base bottom is provided with the feed screw nut with leading screw cooperation；Described pole group's weld jig includes the formwork for holding pole group, pole group is made up of the pole group unit that some groups are arranged in order, pole group is provided with lug, the both positive and negative polarity pole of two consecutive roots group units couples together, on described formwork, middle side part is provided with interfix plate, in the middle part of described interfix plate, the left and right sides is provided with lug location-plate, described interfix plate drives lifting above the group of pole and by lifting-positioning device, described lug location-plate is concordant with the lug level of pole group and is driven by horizontal location driving means, it is provided with the lug location structure that the lug to pole group is positioned between described interfix plate and lug location-plate.

2. lead-acid battery pole group according to claim 1 welds module reciprocating conveying device, it is characterized in that: described jig lifting mechanism includes the fixture lifting cylinder being vertically arranged to base center, the piston rod of described fixture lifting cylinder is connected with pole group's weld jig, described pole group's weld jig corner is provided with vertical fixture guide post, and described base is provided with the guiding sliding sleeve passing through for fixture guide post.

3. lead-acid battery pole group according to claim 1 welds module reciprocating conveying device, it is characterized in that: described pole group welding module drives leading screw both sides to be arranged side by side line slide rail, and before and after described base, both sides are equipped with linear slider and are slidably matched with line slide rail.