Welding jig for motor stator assembly

Abstract

The utility model provides a welding jig for a motor stator assembly. The welding jig comprises a base and an upper cover, at least one positioning column is convexly arranged on one upper surface of the base, and a stator group accommodating area is concavely arranged on the upper surface of the base; at least one positioning hole corresponding to the at least one positioning column is formed in the lower surface of the upper cover in a penetrating mode, at least one welding operation opening is formed in the position, corresponding to the stator set containing area, of the upper cover in a penetrating mode, and at least one clamping groove is formed in the side edge, corresponding to the at least one welding operation opening, of the upper cover in a concave mode; therefore, a leading-out line segment of a motor stator assembly can be directly fastened and positioned by the clamping grooves along the outward extending direction, so that the leading-out line segment is overlapped and corresponds to at least one welding point on a stator bottom plate of the motor stator assembly, the cost and time for positioning the leading-out line segment are reduced, and the positioning of rapid alignment is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of motor stator assembly field, in particular to a kind of motor stator assembly welding fixture. BACKGROUND

[0002] Due to the axial space limitation of the ultra-thin notebook computer fan, the U, V, W and COM solder joints of the motor are difficult to position, increasing the manufacturing difficulty. The current industry practice is to rely on workers to manually pull the enameled wire to align the solder joints. This operation is not only difficult, but also very challenging, requiring operators to have good vision and rich experience, and it is difficult to achieve through automated production, so the production process takes a long time.

[0003] For example, Taiwan application number TW105101150 discloses a motor stator assembly, as shown in Figures 1A to 1D The stator core 11 includes a plurality of poles 111. The at least one winding coil 12 is wound on the plurality of poles 111 of the stator core 11, and the winding coil 12 includes at least one wire outlet portion 121. The metal column 14 includes a first end face and a second end face, wherein the second end face is attached to the circuit board set 13. The sleeve portion 15 partially covers the metal column 14 and includes a plurality of petal portions 151, wherein a groove 152 is formed between two adjacent petal portions 151. When the wire outlet portion 121 of the winding coil 12 passes through at least two grooves 152, the wire outlet portion 121 of the winding coil 12 crosses the first end face of the metal column 14.

[0004] However, the wire outlet portion 121 of the winding coil 12 needs to be manually pulled by manual operation. After passing through at least two corresponding grooves 152, it is wrapped around one or two petal portions 151 from the outside to the left or right, and then passes through two opposite grooves 152. Then, it is wrapped around one or two petal portions 151 from the other outside to the left or right again, and passes through another two opposite grooves 152. Finally, the wire outlet portion 121 is welded to fix and electrically connect the winding coil 12 and the metal column 14. Due to the complicated manual operation, the experience of manual operation is not the same, which causes the wire outlet portion 121 to be easily broken or loose. Moreover, the inefficient operation of winding and tightening the petal portion 151 multiple times causes the entire winding process to take time and cannot be completed quickly, affecting production efficiency and making it impossible to be applied to automated production.

[0005] Therefore, how to solve the above problems and deficiencies is the direction of research and improvement for the designers and relevant manufacturers in this industry. UTILITY MODEL CONTENT

[0006] The utility model aims to provide a motor stator assembly welding fixture that can solve the above problems.

[0007] The utility model still has a motor stator assembly welding jig which can not only reduce the cost and time of positioning and fixing but also can quickly align and position.

[0008] Therefore, the utility model provides a motor stator assembly welding jig, characterized by comprising:

[0009] A base, at least one positioning column is protruded on the upper surface of the base, and a stator group containing area is recessed in the base;

[0010] An upper cover, at least one positioning hole corresponding to the at least one positioning column is penetrated in the lower surface of the upper cover, at least one welding operation opening corresponding to the stator group containing area is penetrated in the upper cover, and at least one clamping groove is recessed in the side edge of the upper cover corresponding to the at least one welding operation opening.

[0011] At least one elastic member is arranged in the at least one clamping groove.

[0012] The lower surface of the upper cover is further formed with at least one wire containing groove which is communicated with the at least one clamping groove and the at least one welding operation opening.

[0013] The stator group containing area contains a motor stator assembly.

[0014] The motor stator assembly comprises:

[0015] A stator bottom plate, at least one welding point is arranged on the upper side of the stator bottom plate;

[0016] A stator winding group, the stator winding group is arranged on the upper side of the stator bottom plate, and at least one lead-out wire segment extending towards the outside of the stator winding group is arranged on the stator winding group, the at least one lead-out wire segment is extended and fastened in the at least one clamping groove, and the at least one lead-out wire segment is exposed from the at least one welding operation opening corresponding to the at least one welding point.

[0017] The upper cover is penetrated with a stator winding group containing opening, and the stator winding group containing opening corresponds to the stator winding group.

[0018] The motor stator assembly welding jig can make the lead-out wire segment of the motor stator assembly winding coil extend along the outward extending direction, be fastened and positioned when extending through the clamping groove, and make the lead-out wire segment coincide with the at least one welding point on the stator bottom plate of the motor stator assembly, so that the cost and time consumed in the winding lead-out part of the prior art can be saved, and the positioning and fixing are quick and accurate. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1A It is a three-dimensional schematic view of the prior art;

[0020] Figure 1BPartial enlarged schematic view of prior art;

[0021] Figure 1C Partial enlarged schematic view of prior art;

[0022] Figure 1D Partial enlarged schematic view of prior art;

[0023] Figure 2 Schematic view of the motor stator assembly welding jig of the utility model is shown in the figure;

[0024] Figure 3 Schematic view of the motor stator assembly welding jig of the utility model is shown in the figure;

[0025] Figure 4 Schematic view of the upper cover of the motor stator assembly welding jig of the utility model is shown in the figure;

[0026] Figure 5 Schematic view of the lower surface of the upper cover of the motor stator assembly welding jig of the utility model is shown in the figure;

[0027] Figure 6 Another schematic view of the motor stator assembly welding jig of the utility model is shown in the figure.

[0028] Mark explanation: 2 motor stator assembly welding jig;21 base;211 upper surface;212 positioning column;213 stator group containing area;22 upper cover;221 lower surface;221A wire containing groove;222 positioning hole;223 welding operation port;224 stator winding group containing port;225 clamping groove;225A elastic piece;226 stator limiting portion;3 motor stator assembly;31 stator winding group;31A pole;311 winding coil;311A outgoing line segment;32 stator bottom plate;321 upper side;322 welding point. DETAILED DESCRIPTION

[0029] The above-mentioned purposes of the utility model and the characteristics of its structure and function will be described according to the preferred embodiments of the accompanying drawings.

[0030] Please refer to Figure 2 Schematic view of the motor stator assembly welding jig of the utility model is shown in the figure; Figure 3 Schematic view of the motor stator assembly welding jig of the utility model is shown in the figure; Figure 4 Schematic view of the upper cover of the motor stator assembly welding jig of the utility model is shown in the figure; Figure 5 Schematic view of the lower surface of the upper cover of the motor stator assembly welding jig of the utility model is shown in the figure; Figure 6 Another schematic view of the motor stator assembly welding jig of the utility model is shown in the figure.

[0031] As Figure 2As shown, the motor stator assembly welding jig 2 comprises a base 21 and an upper cover 22. At least one positioning column 212 is protruded from an upper surface 211 of the base 21, used for alignment and fixation with a lower surface 221 of the upper cover 22, and a stator group accommodating area 213 is recessed in the base 21, used for accommodating a motor stator assembly 3 between the base 21 and the upper cover 22. At least one positioning hole 222 corresponding to the at least one positioning column 212 is provided in the upper cover 22 from the lower surface 221, and the at least one positioning column 212 can be respectively inserted into the at least one positioning hole 222 when the base 21 and the upper cover 22 are aligned. At least one welding operation port 223 corresponding to the stator group accommodating area 213 is provided in the upper cover 22, so that the motor stator assembly 3 prepared to be accommodated between the base 21 and the upper cover 22 can be partially exposed from the at least one welding operation port 223, and a stator winding group accommodating port 224 is provided in the upper cover 22, used for corresponding accommodation of a stator winding group 31 arranged on an upper side 321 of a stator base plate 32. Moreover, at least one clamping groove 225 corresponding to the at least one welding operation port 223 is recessed in the side of the upper cover 22, suitable for passing and limiting the wire therein.

[0032] As shown in the drawings, Figure 2 and Figure 3 The motor stator assembly 3 at least comprises the stator winding group 31 and the stator base plate 32. The upper side 321 of the stator base plate 32 has at least one welding point 322. For example, the at least one welding point 322 has solder, which can be lead, tin or other materials, prearranged on the welding point 322 for power connection, so that only heating and melting of the solder is needed for welding.

[0033] The stator winding group 31, arranged on the upper side 321 of the stator base plate 32, can be composed of an insulating frame group and a silicon steel sheet group, and has a plurality of poles 31A. The poles 31A are provided with at least one winding coil 311, and each winding coil 311 has a lead-out segment 311A extending towards the outside of the stator winding group 31. For example, the stator base plate 32 can be a circuit board, or a fan base plate integrated with a circuit board on the upper side 321, and the stator winding group 31 is sleeved on the stator base plate 32, and the winding coil 311 is additionally wound on the insulating frame group, so that the winding coil 311 and the circuit board do not have electrical contact before the welding assembly is completed.

[0034] As shown in the drawings, Figure 2 and Figures 4 to 6As shown, during assembly, the base 21 and the top cover 22 are stacked and fixed together by the cooperation of at least one positioning post 212 and positioning hole 222, and cover the motor stator assembly 3. First, the upper side 321 of the motor stator assembly 3, on which the stator winding group 31 is sleeved, is positioned between the base 21 and the top cover 22, corresponding to the welding port 223, in the stator assembly receiving area 213 of the base 21. Then, at least one lead-out segment 311A ​​extends outward, passes between the base 21 and the top cover 22, and slides directly into the clamping groove 225 when passing the side of the top cover 22. This causes the at least one lead-out segment 311A ​​to correspond to the at least one welding point 322 and be exposed from the at least one welding port 223. This not only saves the cost and time of conventional techniques when winding the lead wire, but also makes positioning and fixing quick and accurate, facilitating the welding between the at least one lead wire segment 311A ​​and the welding point 322 through the at least one welding port 223. A stator limiting part 226 is also formed between the stator winding assembly receiving port 224 of the upper cover 22 and the at least one welding port 223, which can prevent damage to the stator winding assembly 31 due to high temperatures during welding operations at the at least one welding port 223.

[0035] In this assembly, the cooperation of at least one positioning post 212 and at least one positioning hole 222 forms a positioning point for the fixture assembly. In some embodiments, the base 21 may have two protruding positioning posts 212, and the upper cover 22 may have two recessed positioning holes 222 corresponding to the two positioning posts 212 respectively. Thus, the planar orientation of the base 21 and the upper cover 22 when they overlap can be positioned using at least two positioning points. Furthermore, the two corresponding positioning posts 212 and positioning holes 222 may have different diameters to prevent the base 21 from being mistakenly overlapped with the lower surface 221 of the upper cover 22 instead of its upper surface 211, achieving a foolproof effect.

[0036] In some embodiments, such as Figure 3 As shown, there are, for example but not limited to, four lead segments 311A ​​and four solder points 322 (corresponding to the U, V, W three-phase and COM shared connection terminals). Therefore, the upper cover 22 is provided with four corresponding clamping grooves 225, and at least one soldering port 223 that exposes the lead segments 311A ​​and solder points 322.

[0037] In some embodiments, multiple parameters Figure 2 , Figure 4 and Figure 5The at least one clamping groove 225 is provided with an elastic member 225A, such as a spring, for clamping the lead-out wire segment 311A extending therethrough. The lower surface 221 of the upper cover 22 is further formed with at least one wire accommodating groove 221A, which is communicated with the at least one clamping groove 225, the at least one welding operation opening 223 and the stator winding set accommodating opening 224. The lead-out wire segment 311A extending outward from the stator winding set 31 through the space between the base 21 and the upper cover 22 can be accommodated in the at least one wire accommodating groove 221A, so as to facilitate the lead-out wire segment 311A to pass through the space between the base 21 and the upper cover 22. If the welding point 322 is close to the side of the at least one welding operation opening 223, a recess (not shown) can be formed on the corresponding side, so as to keep the space around the welding point 322 for the welding equipment to operate.

[0038] The above has described the utility model in detail, and the above is only a preferred embodiment of the utility model, and should not limit the range of the utility model. Any equivalent change and modification according to the utility model concept should still belong to the patent coverage range of the utility model.

Claims

1. A motor stator assembly welding fixture, comprising: The motor stator assembly comprises: a base, at least one locating post is protruded from an upper surface of the base, and a stator group accommodating area is recessed in the base; an upper cover, at least one locating hole corresponding to the at least one locating post is formed through a lower surface of the upper cover, and at least one welding operation port corresponding to the stator group accommodating area is formed through the upper cover, a recess is formed on a side surface of part of the welding operation port, at least one clamping groove is recessed in a side edge of the upper cover corresponding to the at least one welding operation port, at least one wire accommodating groove is formed in the lower surface of the upper cover and is communicated with the at least one clamping groove and the at least one welding operation port, respectively, a stator winding group accommodating port is formed through the upper cover, and a stator limiting part is formed between the stator winding group accommodating port and the at least one welding operation port, so as to prevent the stator winding group of the motor stator assembly from being damaged due to high temperature during welding operation of the at least one welding operation port.

2. The motor stator assembly welding fixture of claim 1, wherein: An elastic member is arranged in the at least one clamping groove.

3. The motor stator assembly welding fixture of claim 1, wherein: The stator group accommodating area is used for accommodating the motor stator assembly.

4. The motor stator assembly welding fixture of claim 3, wherein, The motor stator assembly comprises: a stator bottom plate, an upper surface of the stator bottom plate has at least one welding point; the stator winding group is arranged on the upper surface of the stator bottom plate, has at least one lead-out wire segment extending towards an outer side direction of the stator winding group, and the at least one lead-out wire segment extends and is fastened to the at least one clamping groove, so as to correspond to the at least one welding point and be exposed from the at least one welding operation port.

5. The motor stator assembly welding fixture of claim 4, wherein: The stator winding group accommodating port corresponds to the stator winding group.

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