CN201677131U

CN201677131U - High-intelligence wire feeding mechanism

Info

Publication number: CN201677131U
Application number: CN2010201133775U
Authority: CN
Inventors: 刘先明; 陈伟; 钟健
Original assignee: Shenzhen Polytechnic
Current assignee: Shenzhen Polytechnic
Priority date: 2010-02-08
Filing date: 2010-02-08
Publication date: 2010-12-22
Anticipated expiration: 2020-02-08

Abstract

The utility model discloses a high-intelligence wire feeding mechanism, which belongs to the technical field of cold welding. The wire feeding mechanism mainly consists of a wire feeding driving motor, a wire feeding wheel, a wire feeding pressing wheel, a wire feeding guide pipe, a welding wire guide pipe and a straightener, wherein the wire feeding pressing wheel and the wire feeding wheel are mutually matched for pulling a welding wire to move forwards through being driven by the wire feeding driving motor, the welding wire drives a group of straightening wheels in the straightener to rotate under the effect of the friction force, and the welding wire reaches the welding wire guide pipe after being straightened, and then reaches the wire feeding guide pipe under the traction effect of the wire feeding pressing wheel and the wire feeding wheel, and finally reaches the welding part. The cold welding wire feeding mechanism provided by the utility model realizes the automation of the wire feeding process, ensures the accurate centering of wire feeding and forming welding heads, has the advantages of superior performance, reliable and stable operation, high centering precision, high automation degree, low energy consumption and the like, adopts a step motor for driving, has simple and reliable mechanism, improves the forming efficiency, and reduces the mechanism cost.

Description

A kind of high intelligent wire feeder

Technical field

The utility model belongs to the cold-welding technique field of lithium battery, is specifically related to the wire feeder of a kind of lithium battery in the cold welding process.

Background technology

Cold welding equipment is as a kind of novel lithium battery production equipment, the outstanding advantage of, high accuracy high-speed with it, high efficiency, automation and aspect the lithium ion battery production, obtained using widely.

In lithium battery is produced, method by cold welding, obtain the fuse part in the battery, thereby guaranteed the safe handling problem of lithium battery, the levels of precision of wire feed directly affects the precision of welding wire process in the cold welding process, the wire feed technology becomes the critical key element in the welding, the reasonability of wire feeder, advanced, intelligent is the effectively assurance of control of this technology of welding, at present, the electric manufacturer of domestic lithium is applied in the wire feeder in the cold welding equipment, mainly contain manual mode and Mechanical Driven mode two classes, wherein manual mode is that subjectivity is judged, has open defect; Mechanical system is used wider, but there are many weak points, automatic centering is poor, mechanism assembling adjustability is poor, poor, the wire feed low precision of science, the feature of environmental protection, wire feed are stable not poor, be difficult to produce in enormous quantities, can not guarantee that pole piece is in welding process, accuracy, security, reliability, and be difficult to realize the mechanization of welding fabrication and automation etc.Realize wire feed, send pole piece, three mechanisms of welding act on a bit, common mechanism does not have adjustable scope, is difficult to realize by the precision of machining.

The utility model content

Technical problem to be solved in the utility model is, the wire feeder that a kind of cost is lower, operating efficiency is higher is provided, this wire feed structure can be delivered to the welding wire position to welding wire exactly, behind welding forming, return, make the mechanism kinematic that send pole piece, constitute a continuous mechanical action, guarantee that the wire feed in the welding process is accurate, the repeatable accuracy height of welding, steady quality.

Described wire feeder is mainly by the wire feed drive motors, wire feed rolls, the wire feed contact roller, the wire feed guide pipe, welding wire guide pipe and swage are formed, described swage is fixed on the joint cover, wire feed rolls, the wire feed contact roller, the wire feed guide pipe, the welding wire guide pipe fixed block by separately respectively is connected on the fixed head, joint cover is connected with the fixed head screw, fixed head links to each other with the wire feed slide plate again and is assemblied on the cold welding machine base plate, under the driving of wire feed drive motors, wire feed contact roller and wire feed rolls cooperatively interact the traction welding wire travel forward, under the effect of frictional force, one group of alignment wheel that welding wire drives in the swage rotates, welding wire obtains arriving the welding wire guide pipe after the alignment, under the draw of wire feed contact roller and wire feed rolls, arrive the wire feed guide pipe then, arrive the position of welding at last.

The cold welding wire feeder that the utility model provides mainly utilizes electrical principle, mechanical automatic centering, and sensor, PLC electrical equipment control have realized the automation of wire feed process, have guaranteed wire feed and the accurate centering of moulding soldering tip; Advantages such as this mechanism has superior performance, and is reliable, stable, that accuracy of alignment is high, automaticity is high, and it is lower to consume energy; The employing stepper motor drives, and mechanism is simple, reliable, has improved shaping efficiency, has reduced agency cost.

Description of drawings

The structure diagram of the wire feeder that Fig. 1 provides for the utility model;

The assembly structure sketch of the wire feeder that Fig. 2 provides for the utility model;

Fig. 3 is the side view of Fig. 2.

Among the figure:

1. drive motors 2. wire feed rolls 3. wire feed contact rollers 4. wire feed guide pipes

5. welding wire guide pipe 6. swages 7. welding wires 8. fixed heads

9. wire feed slide plate 10. optical axises 11. joint covers

12. alignment adjusting nut 201. the 3rd fixed block 401. second fixed blocks

501. first fixed block, 601. alignments wheel

The specific embodiment

With embodiment the utility model is described in further detail with reference to the accompanying drawings.

The utility model provides the wire feeder of using on a kind of cold welding machine, described wire feeder as shown in Figure 1, described wire feeder is connected with the cold welding machine main body by wire feed slide plate 9, wire feeder is mainly by wire feed drive motors 1, wire feed rolls 2, wire feed contact roller 3, wire feed guide pipe 4, welding wire guide pipe 5 and the swage 6 that is fixed on the joint cover 11 are formed, under the driving of wire feed drive motors 1, wire feed contact roller 3 and wire feed rolls 2 cooperatively interact the traction welding wire 7 travel forward, under the effect of frictional force, one group of alignment wheel 601 that welding wire 7 drives in the swage 6 rotates, welding wire 7 obtains arriving welding wire guide pipe 5 after the alignment, under the draw of wire feed contact roller 3 and wire feed rolls 2, arrive wire feed guide pipe 4 then, arrive the position of welding at last.

As shown in Figure 1, described swage 6 is made up of one group of alignment wheel 601 of vertically arranging, each alignment wheel 601 all is installed on the turning cylinder 602 by bearing, can be in a common perpendicular joint cover 11 rotate around separately turning cylinder 602, and each alignment wheel 601 rotates synchronously, welding wire 7 compresses between the adjacent two alignments wheel 601 mutually around alignment wheel 601.As Fig. 2, shown in Figure 3, described joint cover 11 is connected with the fixed head 8 in the place ahead, and fixed head 8 is fixedlyed connected with below wire feed slide plate 9, and described wire feed contact roller 3 and wire feed rolls 2 are fixed on the fixed head 8, and wire feed slide plate 9 is used for being connected with the cold welding machine main body.Under the driving of wire feed drive motors 1, the welding wire 7 that compresses between wire feed contact roller 3 and the wire feed rolls 2 is along with the rotation of wire feed contact roller 3 and wire feed rolls 2 travels forward, under the effect of frictional force, welding wire 7 drive alignment wheels 601 rotate around turning cylinder 602 separately, welding wire 7 because of the rotation of alignment wheel 601 by alignment, and in gathering sill, enter in the welding wire guide pipe 5, realize wire feed.

Described gathering sill is arranged in the swage 6 on the alignment wheel 601 near welding wire guide pipe 5, and this gathering sill and welding wire guide pipe 5 are positioned on the same horizontal plane.When welding wire 7 enters welding wire guide pipe 5, can reduce the friction between welding wire 7 and the welding wire guide pipe 5, the positional precision of welding wire 7 is guaranteed.

Described welding wire guide pipe 5 is made by syringe needle, endoporus is smooth, and certain rigidity and light knot degree are arranged, and can satisfy the softer more coarse again requirement in welding wire 7 surfaces, this welding wire guide pipe 5 is installed on first fixed block 501, and described first fixed block 501 is fixed on the fixed head 8.

Described wire feed contact roller 3 and wire feed rolls 2 outer rims are all rubber-coated, two-wheeled is to rolling into capable wire feed and moving back the silk operation, wire feed rolls 2 as tensile force, is regulated the situation that compresses with spring, when guaranteeing that welding wire 7 is sent, welding wire is indeformable, welding wire is delivered to the welding position through wire feed guide pipe 4, and wire feed guide pipe 4 will be used hard and the higher smooth material making of endoporus, make taper hole, guarantee that welding wire was apart from the error minimum at the position of plumb joint when wire feed arrived the welding position.In order to guarantee swage 6 in the above-mentioned wire feeder, welding wire guide pipe 5, wire feed contact roller 3, wire feed rolls 2, the common wire feed of wire feed guide pipe 4 these several parts with one heart, above-mentioned each parts are all fixed by fixed block separately, all done on the fixed block separately and can regulate, down, about structure, can regulate by assembling and guarantee its positional precision, require simultaneously wire feed guide pipe 4 be installed in apart from pole piece gathering sill edge press close to or indentation 0.2mm about, when welding, stepper drive motors 1 is just being passed on silk, silk is moved back in counter-rotating, not because exist some errors that welding wire is broken, during wire feed, welding wire just in time arrives the pole piece welding position, when driving pole piece, welding wire is retracted back into the edge of pole piece gathering sill, and pole piece successfully is driven.As shown in Figure 1, described second fixed block 401 and the 3rd fixed block 201 are fixed on wire feed guide pipe 4 and wire feed rolls 2 on the fixed head 8, the screwed hole at described first fixed block 501, second fixed block 401 and the 3rd fixed block 201 centers is decussate texture, and be connected on the fixed head 8 by screw, described decussate texture can conveniently be regulated the position of fixed block with respect to fixed head 8, thus guarantee swage 6 in the wire feeder, welding wire guide pipe 5, wire feed contact roller 3, wire feed rolls 2, the common wire feed of wire feed guide pipe 4 these several parts with one heart.

Described wire feed drive motors is a stepper motor.

As Fig. 2, shown in Figure 3, in the described wire feeder, swage 6 is installed on the joint cover 11, joint cover 11 is connected with fixed head 8, be fixedly connected with wire feed contact roller 3 and wire feed rolls 2, welding wire guide pipe 5, wire feed guide pipe 4 on the fixed head 8, fixed head 8 is connected with wire feed slide plate 9 simultaneously, and wire feed slide plate 9 is through on the optical axis 10, and wire feed slide plate 9 drives fixed head 8 and reciprocatingly slides on optical axis 10.Described optical axis 10 links to each other with the cold welding machine main body by two fixed blocks at two ends, constitutes the cold welding machine system.Screw is connected between described joint cover 11 and the fixed head 8, can regulate the height of joint covers 11 with respect to fixed head 8 by alignment adjusting nut 12.

Claims

1. one kind high intelligent wire feeder, it is characterized in that: described wire feeder mainly is made up of wire feed drive motors, wire feed rolls, wire feed contact roller, wire feed guide pipe, welding wire guide pipe and swage, described swage is fixed on the joint cover, wire feed rolls, wire feed contact roller, wire feed guide pipe, welding wire the guide pipe fixed block by separately respectively are connected on the fixed head, joint cover is connected with the fixed head screw, and fixed head links to each other with the wire feed slide plate again and is assemblied on the cold welding machine base plate.

2. wire feeder according to claim 1, it is characterized in that: described swage is made up of one group of alignment wheel of vertically arranging, each alignment wheel all is installed on the turning cylinder by bearing, can be in a common perpendicular rotate around separately turning cylinder, and each alignment wheel rotates synchronously, welding wire is taken turns around alignment, compresses mutually between the adjacent two alignments wheel.

3. wire feeder according to claim 1 is characterized in that: gathering sill is set, gathering sill and the same level of welding wire guide pipe on the alignment wheel near the welding wire guide pipe in swage.

4. wire feeder according to claim 1 is characterized in that: described fixed block has cruciform vent.