CN111496342A - Coil pin spot welding device - Google Patents

Abstract

The invention relates to the technical field of coil assembling equipment, in particular to a coil stitch spot welding device which comprises a workbench surface, a welding box and a welding pen, wherein the welding box and the welding pen are fixed on the workbench surface; according to the invention, the first electric telescopic rod extends downwards, the connecting block drives the welding pen to move downwards to a direction close to the coil pin, the second electric telescopic rod extends downwards, and the second protective sleeve moves downwards, so that an operator is prevented from being scalded by the welding head end with high temperature of the welding pen; the invention has stable and reliable structure and improves the operation safety.

Description

Coil pin spot welding device

Technical Field

The invention relates to the technical field of coil assembling equipment, in particular to a coil pin spot welding device.

Background

After the stator coil winding is assembled, pins of the coil need to be welded on a PCB, and the welding is mainly performed by a spot welding machine at present. In the prior art, a spot welding machine for welding coil pins mainly comprises a welding box and a welding pen, wherein the welding box supplies energy to the welding pen, and the coil pins are welded through a high-temperature welding head end of the welding pen. When the spot welder is used in practice, after a coil pin is welded, the PCB needs to be adjusted to weld the next coil pin, an operator can not close the welding box generally in the adjustment process, so that the welding head end of the welding pen is still in a high-temperature state, and the operator can be scalded by the high temperature of the welding head end if the operator touches the welding head end by mistake.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the coil pin spot welding device, which can prevent an operator from being scalded by the high-temperature welding head end of a welding pen, has stable and reliable structure, prevents a lead from being wound with the welding pen and improves the operation safety.

In order to achieve the purpose, the invention is realized by the following technical scheme:

a coil stitch spot welding device comprises a workbench surface, a welding box and a welding pen which are fixed on the workbench surface, wherein the welding pen is connected with the welding box through a lead, the workbench surface is provided with a welding pen moving support and a welding pen protecting sleeve, the welding pen moving support comprises a first positioning support and an electric telescopic rod, the top end of the electric telescopic rod is fixedly connected with the first positioning support, the bottom end of the electric telescopic rod is fixedly connected with the welding pen through a connecting block, the welding pen protecting sleeve comprises a second positioning support, a first protecting sleeve, a second protecting sleeve and a second electric telescopic rod, the top end of the first protecting sleeve is fixedly connected with the second positioning support, the top end of the second electric telescopic rod is fixedly connected with the first protecting sleeve, and the bottom end of the second electric telescopic rod is fixedly connected with the second protecting sleeve, no. two lag with lag sliding connection No. one.

Furthermore, the welding pen protecting sleeve is provided with a buffer spring, the top end of the buffer spring is fixedly connected with the first protecting sleeve, and the bottom end of the buffer spring is fixedly connected with the second protecting sleeve.

Furthermore, the welding pen protecting sleeve is provided with a spring mounting groove, the spring mounting groove comprises an upper mounting cylinder and a lower mounting cylinder, the upper mounting cylinder is provided with a guide block, and the lower mounting cylinder is provided with a guide track matched with the guide block.

Furthermore, the upper end and the lower end of the guide rail are both provided with limit grooves.

Furthermore, the welding pen moving support is provided with a wire groove, a third electric telescopic rod and a third positioning support, the wire penetrates through the wire groove and is fixedly connected with the third electric telescopic rod, and the third electric telescopic rod is fixedly connected with the third positioning support.

Due to the adoption of the technical scheme, the invention has the following advantages:

1) the first electric telescopic rod extends downwards, the connecting block drives the welding pen to move downwards in a direction close to the coil pins, the second electric telescopic rod extends downwards, and the second protective sleeve moves downwards, so that an operator is prevented from being scalded by the welding head end with the high temperature of the welding pen;

2) the second protective sleeve moves downwards, the buffer spring pulls the second protective sleeve to prevent the second protective sleeve from moving downwards too fast, the second electric telescopic rod contracts upwards, the buffer spring promotes the second protective sleeve to move upwards, and the structure is stable and reliable;

3) the welding pen descends, the wire that passes the metallic channel is along with the welding pen downstream, the welding is accomplished the back, No. three electric telescopic handle upwards shrink, the wire is upwards pulled up, bottom when No. three electric telescopic handle shrink is higher than the metallic channel, bottom when No. three electric telescopic handle extends flushes with the metallic channel, draw the back with the wire from the place ahead of metallic channel when No. three electric telescopic handle contracts, prevent the wire and weld the pen winding together, do not hinder the wire when No. three electric telescopic handle extends from the rear of metallic channel to the extension in the place ahead, the security of operation is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a side view of the present invention;

FIG. 3 is a top view of the welding pen shield;

FIG. 4 is an enlarged schematic view of A;

the following are structural designations of the invention:

the welding device comprises a 1-welding box, a 2-welding pen, a 3-wire, a 4-welding pen moving support, a 5-welding pen protecting sleeve, a 41-first positioning support, a 42-first electric telescopic rod, a 43-wire guide groove, a 44-third electric telescopic rod, a 45-third positioning support, a 51-second positioning support, a 52-first protecting sleeve, a 53-second protecting sleeve, a 54-second electric telescopic rod, a 55-buffer spring, a 56-upper mounting cylinder, a 561-guide block, a 57-lower mounting cylinder and a 571-guide rail.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-4, a coil stitch spot welding device comprises a worktable, a welding box 1 and a welding pen 2 fixed on the worktable, the welding pen 2 is connected with the welding box 1 through a wire 3, the worktable is provided with a welding pen moving support 4 and a welding pen protecting sleeve 5, the welding pen moving support 4 comprises a first positioning support 41 and a first electric telescopic rod 42, the top end of the first electric telescopic rod 42 is fixedly connected with the first positioning support 41, the bottom end of the first electric telescopic rod 42 is fixedly connected with the welding pen 2 through a connecting block, the welding pen protecting sleeve 5 comprises a second positioning support 51, a first protecting sleeve 52, a second protecting sleeve 53 and a second electric telescopic rod 54, the top end of the first protecting sleeve 52 is fixedly connected with the second positioning support 51, the top end of the second electric telescopic rod 54 is fixedly connected with the first protecting sleeve 52, the bottom end of the second electric telescopic rod 54 is fixedly connected with the second protecting sleeve 53, no. two lag 53 and a lag 52 sliding connection. Electric telescopic handle 42 extends downwards, and the connecting block drives soldering pen 2 and moves to the direction that is close to the coil stitch downwards, and No. two electric telescopic handle 54 extend downwards, and No. two lag 53 remove downwards, prevent that operating personnel from being scalded by the soldering terminal end of soldering pen 2 high temperature.

Wherein, welding pen lag 5 is equipped with buffer spring 55, buffer spring 55's top and lag 52 fixed connection No. one, buffer spring 55's bottom and lag 53 fixed connection No. two. No. two lag 53 moves down, and buffer spring 55 pulls No. two lag 53 and prevents that No. two lag 53 from moving down too fast, and No. two electric telescopic handle 54 upwards contracts, and buffer spring 55 promotes No. two lag 53 rebound.

The welding pen protecting sleeve 5 is provided with a spring mounting groove, the spring mounting groove comprises an upper mounting cylinder 56 and a lower mounting cylinder 57, the upper mounting cylinder 56 is provided with a guide block 561, and the lower mounting cylinder 57 is provided with a guide rail 571 matched with the guide block 561.

Wherein, the upper and lower ends of the guide rail 571 are respectively provided with a limiting groove. The limiting groove keeps the guide block 561 connected with the guide rail 571 all the time.

Wherein, welding pen movable support 4 is equipped with metallic channel 43, No. three electric telescopic handle 44 and No. three locating support 45, and wire 3 passes metallic channel 43 and No. three electric telescopic handle 44 fixed connection, No. three electric telescopic handle 44 and No. three locating support 45 fixed connection. Welding pen 2 descends, and the wire 3 that passes wire casing 43 removes along with welding pen 2, and the welding is accomplished the back, and No. three electric telescopic handle 44 upwards contracts, and wire 3 is by upwards pulling up, prevents that wire 3 and welding pen 2 winding from being in the same place, improves the security of operation.

The following are 1 specific examples of the present invention:

a coil stitch spot welding device comprises a workbench surface, a welding box 1 and a welding pen 2 which are fixed on the workbench surface, wherein the welding pen 2 is connected with the welding box 1 through a lead 3, the workbench surface is provided with a welding pen moving support 4 and a welding pen protecting sleeve 5, the welding pen moving support 4 comprises a first positioning support 41, an electric telescopic rod 42, a lead groove 43, a third electric telescopic rod 44 and a third positioning support 45, the top end of the first electric telescopic rod 42 is fixedly connected with the first positioning support 41, the bottom end of the first electric telescopic rod 42 is fixedly connected with the welding pen 2 through a connecting block, the lead 3 passes through the lead groove 43 and is fixedly connected with the third electric telescopic rod 44, the third electric telescopic rod 44 is fixedly connected with the third positioning support 45, the welding pen protecting sleeve 5 comprises a second positioning support 51, a first protecting sleeve 52, a second protecting sleeve 53 and a second electric telescopic rod 54, the top end of the first protecting sleeve 52 is fixedly connected with the second positioning support 51, the top of No. two electric telescopic handle 54 and lag 52 fixed connection, the bottom of No. two electric telescopic handle 54 and lag 53 fixed connection No. two, lag 53 and lag 52 sliding connection No. two.

Electric telescopic handle 42 extends downwards, and the connecting block drives soldering pen 2 and moves to the direction that is close to the coil stitch downwards, and the wire 3 that passes metallic channel 43 moves down along with soldering pen 2, and No. two electric telescopic handle 54 extends downwards, and No. two lag 53 moves downwards, prevents that operating personnel from being scalded by the soldering terminal end of 2 high temperatures of soldering pen. In the process of adjusting the PCB, the second electric telescopic rod 54 keeps the stretching state, so that the welding head end of the operator who touches the high temperature of the welding pen 2 unintentionally in the process of adjusting the PCB is prevented from being scalded. After the welding is accomplished, electric telescopic handle 42 upwards contracts, the connecting block drives and welds 2 rebound, No. two electric telescopic handle 54 upwards contracts, No. two lag 53 rebound, No. three electric telescopic handle 44 upwards contracts, wire 3 is upwards pulled up at metallic channel 43 rear, bottom when No. three electric telescopic handle 44 contracts is higher than metallic channel 43, bottom when No. three electric telescopic handle 44 extends flushes with metallic channel 43, pull the back with wire 3 from the place ahead of metallic channel 43 when No. three electric telescopic handle 44 contracts, prevent that wire 3 and welding pen 2 twine together, do not hinder wire 3 when No. three electric telescopic handle 44 extends and extend to the place ahead from the rear of metallic channel 43, improve the security of operation.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (5)

1. A coil stitch spot welding device comprises a workbench surface, a welding box (1) and a welding pen (2) which are fixed on the workbench surface, wherein the welding pen (2) is connected with the welding box (1) through a lead (3), the spot welding device is characterized in that the workbench surface is provided with a welding pen moving support (4) and a welding pen protecting sleeve (5), the welding pen moving support (4) comprises a first positioning support (41) and an electric telescopic rod (42), the top end of the electric telescopic rod (42) is fixedly connected with the first positioning support (41), the bottom end of the electric telescopic rod (42) is fixedly connected with the welding pen (2) through a connecting block, the welding pen protecting sleeve (5) comprises a second positioning support (51), a first protecting sleeve (52), a second protecting sleeve (53) and a second electric telescopic rod (54), the top end of the first protecting sleeve (52) is fixedly connected with the second positioning support (51), the top end of the second electric telescopic rod (54) is fixedly connected with the first protecting sleeve (52), the bottom end of the second electric telescopic rod (54) is fixedly connected with the second protecting sleeve (53), and the second protecting sleeve (53) is in sliding connection with the first protecting sleeve (52).

2. The coil stitch spot welding device according to claim 1, characterized in that the welding pen protecting sleeve (5) is provided with a buffer spring (55), the top end of the buffer spring (55) is fixedly connected with the first protecting sleeve (52), and the bottom end of the buffer spring (55) is fixedly connected with the second protecting sleeve (53).

3. Coil stitch spot welding device according to claim 2, characterized in that the welding pen shield (5) is provided with a spring mounting groove comprising an upper mounting cylinder (56) and a lower mounting cylinder (57), the upper mounting cylinder (56) being provided with a guide block (561), the lower mounting cylinder (57) being provided with a guide track (571) cooperating with the guide block (561).

4. The coil stitch spot welding device according to claim 3, wherein the upper and lower ends of the guide rail (571) are provided with a stopper groove.

5. The coil stitch spot welding device according to claim 1, characterized in that the welding pen moving bracket (4) is provided with a wire guide groove (43), a third electric telescopic rod (44) and a third positioning bracket (45), the wire (3) passes through the wire guide groove (43) to be connected with the third electric telescopic rod (44), and the third electric telescopic rod (44) is connected with the third positioning bracket (45).

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