Hand-held fascia gun motor capable of double-sided welding

Abstract

The utility model relates to a handheld fascia gun motor capable of being welded on two sides, which relates to the technical field of small-sized electromechanics and comprises a bearing bracket, a rotating shaft, a permanent magnet rotor, a bearing and a winding stator, rotating shafts are rotationally mounted at the head and the tail in the bearing bracket through bearings; the tail end of the rotating shaft is connected with the permanent magnet rotor, the permanent magnet rotor is arranged around the winding stator, and the winding stator is fixed on the bearing support; the motor further comprises a PCB wire passing plate, the PCB wire passing plate is arranged on the inner side face of the bearing support and fixed through fixing screws, the inner side face of the PCB wire passing plate is electrically connected with a three-phase winding of the winding stator through copper wires, and the UVW outgoing line is welded to the PCB wire passing plate and used for being electrically connected with the three-phase winding. Machine winding is convenient, process assembly is convenient, double-face welding can be achieved, and a winding copper wire is prevented from being pulled.

Description

TECHNICAL FIELD

[0001] The utility model relates to small -size electromechanical technical field, concretely relates to a handheld fascia gun motor of two -sided welding. BACKGROUND

[0002] Due to the space restriction of fascia gun motor structure, the motor outer diameter is only 35mm size, so that the motor drive board cannot be connected together with the body, can only adopt the way of separating the body and drive board to design. Its design structure is mostly motor stator winding UVW three phase lead lengthening after the sleeve heat shrink rubber tube to connect with the drive board on the whole machine, the disadvantage of such mode is that the UWV line needs to leave a very long line head in the sleeve heat shrink tube insulation effect, more process, and UVW sequence is not fixed, the motor rotating direction may not be consistent after welding the drive board, in addition, the UWV line is not fixed, easy to pull the copper wire in the fascia gun whole machine use operation, long service life will appear the problem of pulling off. UTILITY MODEL CONTENTS

[0003] The utility model discloses a handheld fascia gun motor of two -sided welding, machine winding is convenient, and process assembly is convenient, and can realize two -sided welding, prevents pulling winding copper wire.

[0004] In order to achieve the above object, the utility model adopts the following technical scheme: it contains bearing support, pivot, permanent magnet rotor, bearing and winding stator, the first and last of bearing support are pivotally installed with pivot, the tail end of pivot is connected with permanent magnet rotor, permanent magnet rotor is arranged around winding stator, winding stator is fixed on bearing support, it also contains PCB wire -passing board, the inner side of PCB wire -passing board is set in bearing support, and is fixed with fixed screw, the inner side of PCB wire -passing board is electrically connected with the three -phase winding of winding stator with copper wire, UVW lead wire is welded with PCB wire -passing board and is used for electrically connecting with three -phase winding.

[0005] Preferably, the PCB wire -passing board is a fan -shaped structure, about 1 / 3 of the circumference.

[0006] Preferably, the bearing at the tail end of the bearing support is clamped between the contact surface of the bearing support and the bearing.

[0007] Preferably, the outer end surface of the bearing support is outwardly convex with three bolt fixing hole positions at equal angles.

[0008] Preferably, the PCB wire -passing board is arranged between the two bolt fixing hole positions.

[0009] Compared with the prior art, the utility model has the beneficial effects that: the utility model provides a handheld fascia gun motor of two -sided welding, machine winding is convenient, and process assembly is convenient, and can realize two -sided welding, prevents pulling winding copper wire. BRIEF DESCRIPTION OF DRAWINGS

[0010] Fig. 1 is a structural schematic diagram of the utility model.

[0011] Fig. 2 is a shaft sectional view of the utility model.

[0012] BRIEF DESCRIPTION OF DRAWINGS:

[0013] Bearing bracket 1, rotating shaft 2, permanent magnet rotor 3, UVW lead 4, bearing 5, winding stator 6, PCB wire passing plate 7, fixed screw 8, wave pad 9. DETAILED DESCRIPTION

[0014] The technical scheme in the utility model will be described clearly and completely in conjunction with the drawings, and the preferred embodiment in the description is only as an example, and all other embodiments obtained by the person skilled in the art without creative labor belong to the range of protection of the utility model.

[0015] As shown in Figs. 1-2 , the present embodiment adopts the following technical scheme: it contains bearing bracket 1, rotating shaft 2, permanent magnet rotor 3, bearing 5 and winding stator 6; rotating shaft 2 is rotatably installed in bearing bracket 1 by bearing 5 at the head and tail, and wave pad 9 is clamped between the contact surface of bearing 5 at the tail end of bearing bracket 1 and bearing bracket 1; the tail end of rotating shaft 2 is connected with permanent magnet rotor 3, permanent magnet rotor 3 is arranged around winding stator 6, and winding stator 6 is fixed on bearing bracket 1; it also contains a PCB wire passing plate 7 that can be welded on both sides, the PCB wire passing plate 7 is a 120° sector structure, the PCB wire passing plate 7 is arranged on the inner side of bearing bracket 1 and is fixed by fixed screw 8, the inner side of PCB wire passing plate 7 is electrically connected with the three-phase winding of winding stator 6 by copper wire, UVW lead 4 is welded with PCB wire passing plate 7 and is used for electrical connection with the three-phase winding; the outer end surface of bearing bracket 1 has three bolt fixing hole positions protruding at equal angles; the PCB wire passing plate 7 is arranged between two bolt fixing hole positions.

[0016] Compared with the prior art, the utility model has the beneficial effects that:

[0017] 1, machine winding is convenient: it will not affect the work efficiency because of the length left.

[0018] 2, process assembly is convenient: the step of using thermoplastic pipe material is saved, and the risk of high temperature thermoplastic is reduced.

[0019] 3, the area of PCB wire passing plate is less than 1 / 3 of the whole circumference, and the use of PCB material is saved.

[0020] 4. PCB through-line plate double-sided welding: one side can be soldered after the whole plate is separated, the efficiency is higher; through-hole welding (the specific embodiment adopts through-hole welding) can also be used, and UV glue fixing is not needed.

[0021] 5. Prevent pulling the copper wire, increase the fixing rigidity, and increase the service life.

[0022] For those skilled in the art, the technical solutions described in the foregoing embodiments can be modified, and equivalent replacement of part of the technical features can be made, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A handheld muscle fascia gun motor that can be welded on both sides, comprising a bearing support (1), a rotating shaft (2), a permanent magnet rotor (3), a bearing (5) and a winding stator (6); the rotating shaft (2) is rotatably installed at the head and tail of the bearing support (1) by bearings (5); the tail end of the rotating shaft (2) is connected with the permanent magnet rotor (3), the permanent magnet rotor (3) is arranged around the winding stator (6), and the winding stator (6) is fixed on the bearing support (1); characterized in that: It also contains PCB wire passing plate (7), which is arranged on the inner side of bearing support (1) and fixed by fixing screw (8), the inner side of PCB wire passing plate (7) is electrically connected with the three-phase winding of winding stator (6) by copper wire, and UVW outgoing line (4) is welded with PCB wire passing plate (7).

2. The double-sided weldable handheld fascia gun motor of claim 1, wherein: The PCB wire passing plate (7) is a fan-shaped structure.

3. The double-sided weldable handheld fascia gun motor of claim 1, wherein: A wave pad (9) is clamped between the bearing (5) at the tail end of the bearing support (1) and the contact surface of the bearing support (1).

4. The double-sided weldable handheld fascia gun motor of claim 1, wherein: The outer end surface of the bearing support (1) is outwardly convex with three bolt fixing hole positions at equal angles.

5. The double-sided weldable hand-held fascia gun motor of claim 4, wherein: The PCB wire passing plate (7) is arranged between the two bolt fixing hole positions.

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