Handheld electric silk adding device

Abstract

The utility model discloses a handheld electric wire adding device which comprises a shell and a side cover, a gun-shaped structure is defined by the shell and the side cover together, a power cabin, a wire feeding mechanism and a driving motor are arranged in a cavity of the gun-shaped structure, the power cabin is arranged on the lower portion of a handle, a power battery is installed in the power cabin, and the wire feeding mechanism is connected with the driving motor. The driving motor is fixed above the position of the handle, a transmission shaft of the driving motor extends into the gun barrel of the gun-shaped cavity, and an inching button is arranged on the outer side of the handle; the wire feeding mechanism is installed in the gun barrel, the wire feeding mechanism comprises a wire feeding wheel, a wire pressing wheel and a pressure adjusting mechanism, the wire feeding wheel is installed on a transmission shaft of the driving motor, the wire pressing wheel is installed on the pressure adjusting mechanism, and the wheel faces of the wire feeding wheel and the wire pressing wheel are spliced together to form a passing hole of the welding wire passage. By means of the mode, the wire feeding action can be simplified, the wire feeding stability is improved, and the welding quality and efficiency are remarkably improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding equipment field especially hand -held electric wire feeder. BACKGROUND

[0002] Argon arc welding technology is a kind of welding technology on the basis of the principle of ordinary electric arc welding, utilizes the protection of argon to metal welding material, makes welding material melt into liquid state to form molten pool on the base material to be welded by high current, makes the welding metal and welding material reach metallurgical combination, although some automatic welding equipment has been on the market, due to the limitation of welding environment and welding requirement, can only be used in limited environment, still needs to adopt manual welding in many cases, a key point of manual argon arc welding is that welding process needs to cooperate with welding action manual wire feeding, must guarantee uniform and stable wire feeding process and welding action synchronization in the process of manual wire feeding, otherwise it will lead to uneven welding leg height or irregular weld, seriously affects welding efficiency and quality. This key point requires high quality of operating personnel, must be mastered after a large amount of professional repeated training. SUMMARY

[0003] The utility model mainly solves the technical problem to provide a kind of hand -held electric wire feeder, can improve wire feeding stability.

[0004] To solve the above technical problems, one technical scheme of the utility model is: provide a kind of hand -held electric wire feeder, the hand -held electric wire feeder includes: shell and side cover, the shell and side cover together enclose gun shape structure, the cavity of the gun shape structure is arranged power cabin, wire feeding mechanism and drive motor, the power cabin is arranged in the lower portion of handle position of the gun shape structure, the power battery is installed in the power cabin, the drive motor is fixed in the upper of handle position by motor base, the transmission shaft of the drive motor extends into the barrel of the gun shape structure, the power battery is connected between the drive motor by wire, the handle outside is equipped with the point button of the wire connection state control;The through welding wire passage is provided in the barrel of the gun shape structure, the wire feeding mechanism is installed in the barrel by the welding wire passage, the wire feeding mechanism includes wire feeding wheel, pressure roller and pressure adjusting structure, the wire feeding wheel is installed on the transmission shaft of the drive motor, the pressure roller is installed on the pressure adjusting structure, the wheel surface of wire feeding wheel and pressure roller together spell the through hole of the welding wire passage.

[0005] In a preferred embodiment of the utility model, the motor base includes a bottom plate and a mounting plate, the bottom plate and the mounting plate are perpendicular to each other, the bottom plate is fixed on the inner wall of one side of the shell, and the end of the drive motor is fixed on the mounting plate.

[0006] In a preferred embodiment of the utility model, the pressure adjusting structure includes a swing shaft, a swing arm, an adjusting screw rod and an adjusting nut, the swing shaft is fixed at the inlet end close to the welding wire passage and parallel to the transmission shaft of the driving motor, the adjusting screw rod is fixed at the position close to the transmission shaft of the driving motor and perpendicular to the direction of the transmission shaft, the wheel shaft of the wire pressing wheel is fixed on the swing arm, one end of the swing arm is rotatably installed on the swing shaft, and the other end of the wire pressing wheel is provided with a push plate perpendicular to the swing arm body, a through hole is arranged in the middle of the push plate, the push plate is sleeved on the adjusting screw rod through the through hole, the adjusting nut is installed on the adjusting screw rod and abuts against the outside of the push plate at one end and is located outside the shell at the other end.

[0007] In a preferred embodiment of the utility model, the inlet of the welding wire passage is provided with a wire inlet guide pipe.

[0008] In a preferred embodiment of the utility model, the outlet of the welding wire passage is provided with a wire outlet guide pipe.

[0009] The utility model discloses the beneficial effect is: the utility model discloses small, light in weight, convenient to carry, simple operation, high safety, stable wire feeding speed, effectively solve the problem of uneven height of the welding leg produced in the process of manual wire adding, make the weld more beautiful, significantly improve the welding efficiency and welding quality. Since the wire feeding action is controlled by the motor, manual control is no longer needed, therefore the quality requirement for the welding operator is significantly reduced, and the device can skip the wire adding training step in the welding personnel training process, and the training time is significantly shortened. BRIEF DESCRIPTION OF DRAWINGS

[0010] Fig. 1 It is the side cutting structure schematic diagram of a preferred embodiment of the utility model;

[0011] Fig. 2 It is the structure schematic diagram of the transverse cutting of the embodiment;

[0012] Fig. 3 It is the top cutting structure schematic diagram of the embodiment;

[0013] The marks of various components in the drawings are as follows:

[0014] 1. welding wire, 2. shell, 3. side cover, 4. wire outlet guide pipe, 5. wire inlet guide pipe, 6. jog button, 7. power cabin, 8. driving motor, 9. motor base, 10. transmission shaft, 11. wire feeding wheel, 12. wire pressing wheel, 13. wheel shaft, 14. swing arm, 15. swing shaft, 16. adjusting nut, 17. adjusting screw rod, 18. push plate. DETAILED DESCRIPTION

[0015] The advantages and features of the present application can be more easily understood by those skilled in the art from the preferred embodiments of the present application in conjunction with the accompanying drawings, so that the protection scope of the present application can be more clearly defined.

[0016] Please refer to Figs. 1 to 3 The utility model discloses an embodiment includes:

[0017] A handheld electric wire adding device, the handheld electric wire adding device includes: a shell 2 and a side cover 3, the shell 2 and the side cover 3 together enclose a gun-shaped structure, the cavity of the gun-shaped structure is arranged with a power cabin 7, a wire feeding mechanism and a driving motor 8, the power cabin 7 is arranged at the lower part of the handle position of the gun-shaped structure, a power battery is installed in the power cabin 7, the driving motor 8 is fixed above the handle position through a motor base 9, the motor base 9 includes a bottom plate and a mounting plate, the bottom plate and the mounting plate are perpendicular to each other, the bottom plate is fixed on the inner wall of one side of the shell 2, the end of the driving motor 8 is fixed on the mounting plate, the transmission shaft 10 of the driving motor 8 extends into the barrel of the gun-shaped structure, the power battery and the driving motor 8 are connected through a wire, and the outside of the handle is provided with a jog button 6 for controlling the wire connection state;A through welding wire passage is arranged in the barrel of the gun-shaped structure, the wire feeding mechanism is installed in the barrel relying on the welding wire passage, and the wire feeding mechanism includes a wire feeding wheel 11, a wire pressing wheel 12 and a pressure adjusting structure, the wire feeding wheel 11 is installed on the transmission shaft 10 of the driving motor 8, the wire pressing wheel 12 is installed on the pressure adjusting structure, and the wheel surface of the wire feeding wheel 11 and the wire pressing wheel 12 together spell the through hole of the welding wire passage.

[0018] The pressure adjusting structure includes a swing shaft 15, a swing arm 14, an adjusting screw 17 and an adjusting nut 16, the swing shaft 15 is fixed at the end close to the inlet of the welding wire passage and is parallel to the transmission shaft 10 of the driving motor 8, the adjusting screw 17 is fixed at the position close to the transmission shaft 10 of the driving motor 8 and is perpendicular to the direction of the transmission shaft 10, the wheel shaft 13 of the wire pressing wheel 12 is fixed on the swing arm 14, one end of the swing arm 14 is rotatably installed on the swing shaft 15, and the end head of the other end of the wire pressing wheel 12 is provided with a push plate 18 perpendicular to the body of the swing arm 14, a through hole is arranged in the middle of the push plate 18, the push plate 18 is sleeved on the adjusting screw 17 through the through hole, the adjusting nut 16 is installed on the adjusting screw, one end of the adjusting nut 16 abuts against the outside of the push plate 18, and the other end of the adjusting nut 16 is located outside the shell 2. In this way, in actual use, the pressure of the push plate 18 on the wire pressing wheel 12 can be adjusted by rotating the adjusting nut 16 to adjust the pressure of the wire pressing wheel 12 on the welding wire 1.

[0019] The inlet of the welding wire passage is provided with a wire inlet guide tube 5. The outlet of the welding wire passage is provided with a wire outlet guide tube 4. The wire inlet guide tube 5 and the wire outlet guide tube 4 can improve the stability of the welding wire 1.

[0020] In actual work, first, the adjusting nut 16 is rotated, the through hole aperture between the wire pressing wheel 12 and the wire feeding wheel 11 is opened, then the welding wire 1 is inserted into the wire inlet guide tube 5 to the wire outlet guide tube 4 through the welding wire passage, finally, the adjusting nut 16 is rotated to press the welding wire 1 by the wire pressing wheel 12. After the above is assembled, the jog button 6 can be used to start and stop the driving motor 8 to control the speed of the welding wire 1 pushed out of the wire outlet guide tube 4, thereby replacing the manual wire feeding process, significantly reducing the labor intensity and precision of the wire feeding action, and greatly improving the production efficiency.

[0021] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process transformation using the utility model specification and the attached drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the utility model.

Claims

1. A hand-held electric threader, characterized in that The handheld electric wire feeder comprises a shell and a side cover, which together enclose a gun-shaped structure, a power cabin, a wire feeding mechanism and a driving motor are arranged in the cavity of the gun-shaped structure, the power cabin is arranged at the lower part of the handle position of the gun-shaped structure, a power battery is installed in the power cabin, the driving motor is fixed above the handle position through a motor base, the transmission shaft of the driving motor extends into the barrel of the gun-shaped structure, the power battery and the driving motor are connected through a wire, a jog button for controlling the wire connection state is arranged on the outside of the handle; a through welding wire passage is arranged in the barrel of the gun-shaped structure, the wire feeding mechanism is installed in the barrel relying on the welding wire passage, the wire feeding mechanism comprises a wire feeding wheel, a wire pressing wheel and a pressure adjusting structure, the wire feeding wheel is installed on the transmission shaft of the driving motor, the wire pressing wheel is installed on the pressure adjusting structure, and the wheel surfaces of the wire feeding wheel and the wire pressing wheel together form a through hole of the welding wire passage.

2. The hand-held electric threader according to claim 1, characterized in that The motor base comprises a bottom plate and a mounting plate, the bottom plate and the mounting plate are perpendicular to each other, the bottom plate is fixed on the inner wall of one side of the shell, and the end of the driving motor is fixed on the mounting plate.

3. The hand-held electric thread applicator of claim 1, wherein, The pressure adjusting structure comprises a swing shaft, a swing arm, an adjusting screw and an adjusting nut, the swing shaft is fixed at the end close to the inlet of the welding wire passage and parallel to the transmission shaft of the driving motor, the adjusting screw is fixed at the position close to the transmission shaft of the driving motor and perpendicular to the direction of the transmission shaft, the wheel shaft of the wire pressing wheel is fixed on the swing arm, one end of the swing arm is rotatably installed on the swing shaft, and the end of the other end of the wire pressing wheel is provided with a push plate perpendicular to the swing arm body, a through hole is arranged in the middle of the push plate, the push plate is sleeved on the adjusting screw through the through hole, the adjusting nut is installed on the adjusting screw, one end of the adjusting nut abuts against the outside of the push plate, and the other end of the adjusting nut is located outside the shell.

4. The hand-held motorized thread applicator of claim 1, wherein, The inlet of the welding wire passage is provided with a wire inlet guide pipe.

5. The hand-held motorized thread applicator of claim 1 wherein, The outlet of the welding wire passage is provided with a wire outlet guide pipe.

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