KR102208527B1 - method of making motor assembly - Google Patents

Abstract

The present invention relates to a manufacturing method of a motor assembly using a fixing jig. More particularly, the present invention relates to a manufacturing method of a motor assembly which, in order to manufacture the motor assembly comprising a motor, a PCB board, a terminal unit, and a connector, fixes the motor and the terminal unit to the fixing jig and then fastens the terminal unit to perform first welding. After fastening the connector on an upper portion of the terminal unit after the first welding is completed, a second welding is performed. Therefore, welding work of the motor assembly can be conveniently performed, and when an automatic welding machine using a robot is used, an occurrence of defective products can be prevented by moving positions of the motor, the PCB board, the terminal unit and the connector to a certain position by the fixing jig.

Description

Method of making motor assembly {method of making motor assembly}

The present invention relates to a method of manufacturing a motor assembly using a fixing jig, and in more detail, in order to make a motor assembly composed of a motor, a PCB board, a terminal unit and a connector by welding, a motor and a terminal unit are fixed to a fixing jig, and then the terminal unit The welding work of the motor assembly can be conveniently performed by connecting the first welding by fastening and performing the second welding after fastening the connector on the top of the terminal unit after the first welding is completed. In particular, the automatic welding machine using a robot When using, it is a method of manufacturing a motor assembly that can prevent the occurrence of defective products by bringing the positions of the motor, PCB board, terminal unit, and connector to a certain position by a fixing jig.

In general, in the case of electronic products such as washing machines, refrigerators, and TVs, motors of various shapes and capacities are used to drive the products.

In such a motor, a PCB board is attached to one side to control the operation of the motor, and a terminal unit and a connector are configured to supply power to the PCB board.In the related art, the PCB board is manually attached to the motor for manufacturing the motor assembly. A lot of time and cost are consumed, such as welding by inserting and reattaching the terminal unit to the PCB substrate, and in particular, there is a problem in that the incidence of defective products is high due to reasons such as an inconsistent welding area.

For this reason, development of a welding fixing jig that can easily weld a motor assembly is required. As a jig for fixing an electronic product according to the prior art, a jig assembly for mounting electronic components proposed in Patent Registration No. 10-0787566 is required. have.

The patent includes a pallet 100 having a mounting surface 110 on which a printed circuit board having a plurality of fixing holes is mounted; A fixing pin 400 provided on one side of the mounting surface 110 of the pallet 100 to fix the printed circuit board; In order to couple and fix the printed circuit board together with the fixing pin 400, it is seated in the sliding groove 120 formed on the pallet 100 and disposed to be movable, and inserted into the fixing hole at one end of the upper surface. An elastic member accommodating portion 130 having a fixing member 200 having a fixing protrusion 210 protruding therefrom and a locking hole 131 formed on both left and right sides of the sliding groove 120; The central portion 310 in the shape of a round ring seated across the locking hole 131 of the fixing member 200 and the elastic member receiving portion 130 so as to apply an elastic force to the fixing member 200 and both sides thereof The end 320 includes an elastic member 300 made of a coil spring having an angle by spreading symmetrically left and right; As the guide protrusions 230 are formed on both sides of the fixing member 200, the guide protrusions 230 are inserted into both sides of the sliding groove 120 to form a guide groove 121 so as to reciprocate, The fixing member 200 is a jig assembly for mounting an electronic component in which the vertical movement is restricted by the guide protrusion 230 and the guide groove 121, the locking hole 131 of the elastic member receiving part 130 A rear stepped step 132 is formed extending from an end portion to a predetermined depth on the lower surface of the pallet 100, and an insertion groove 220 is formed at the other end of the fixing member 200 opposite the fixing protrusion 210. ) Is provided, so that both end portions 320 of the elastic member 300 are seated and fixed to the rear stepped 132, and the central portion 310 of the elastic member 300 is inserted into the fixing member 200. As the elastic member 300 is inserted and fixed in the groove 220, the elastic member 300 is moved in the vertical direction by the insertion groove 220 of the fixing member 200 and the rear stepped portion 132 of the elastic member receiving part 130. Restrained to prevent churn; The fixing protrusion 210 of the fixing member 200 is separated into an upper protrusion 211 and a lower protrusion 213, and a protrusion 212 is formed on the lower surface of the upper protrusion 211 to form the lower protrusion 213. A jig assembly for mounting electronic components, characterized in that the upper protrusion 211 is made of stainless steel, is proposed to be inserted into and coupled to the through hole 214 formed in the central part of ). , The fixing member fixing the printed circuit board, the elastic member, and the fixing pin are prevented from being separated through the combination structure with the pallet, and the abrasion of the fixing protrusion is prevented by using the upper part of the fixing protrusion as a wear-resistant material, Since it is formed so as to be located inside the area of the mounting surface, unnecessary blank space of the pallet is reduced, so that it is effective in manufacturing a printed circuit board, but it is difficult to use as a fixing jig for welding electronic parts.

Another prior art is an automatic jig device for testing electronic components, proposed in Utility Model Registration No. 20-0256391.

In the utility model, a base plate 4 having a concave portion 5 on the front side is installed in the center of the top plate 1 supported by the supporting legs 3 on both sides, and formed on the front side of the top plate 1 The central part so that the part element (C) can be placed on the upper surface of the fixed table (6), which is fixed and installed by matching the inside of the concave part (2), and is horizontally installed on the concave part (2) of the top plate (1). The component element seating groove (9) is formed in the concave portion, but the width of the front side is formed wider than the rear side based on the central element fixing groove jaw (10) so that the component element can be set and fixed in the correct position on both side portions. Terminal connection connector (12a) is vertically mounted and installed with the terminal pin (11) protruding upward at three points in accordance with the bottom contact (CP) of the component element (C) to be inserted and fixed, and each of these terminal connection connectors The cable connection connectors 12b are connected horizontally on both sides and the front of the component element fixing table 6 so that they can be horizontally connected to 12a, so that the connection with the cables (CB) connected to the frequency tester (FT) is established. The component element pressure fixing table 13 is installed on the upper side of the component element fixing table 6 so that it can be lifted by the air cylinder 14, and a switch lever 15 installed on one side of the central part of the base plate 4 ), an automatic jig device for testing electronic components, characterized in that it is configured to move up and down according to the operation of the on/off valve (16) installed on the outer surface of the support leg (3) on one side of the support leg (3). As a jig device for testing of electronic components, it is also difficult to use as a fixed jig for welding electronic parts, especially for manufacturing motor assemblies.

Republic of Korea Patent Publication No. 10-0787566 (announced on December 21, 2007) Republic of Korea Utility Model Publication No. 20-0256391 (announced on Dec. 14, 2001)

Therefore, in the present invention, in order to make a motor assembly consisting of a motor, a PCB substrate, a terminal unit and a connector by welding, the motor and the terminal unit are fixed to the fixing jig, and then the terminal unit is fastened to perform primary welding, and the primary welding is completed. Welding of the motor assembly can be conveniently performed by performing secondary welding after connecting the connector to the top of the next terminal unit.In particular, when using an automatic welding machine using a robot, the position of the motor, PCB board, terminal unit and connector An object thereof is to provide a method of manufacturing a motor assembly that can prevent the occurrence of defective products by bringing it to a certain position by a fixing jig.

In addition, since the fitting groove formed in the terminal unit fixing block has a'+' shape when viewed from the top of the terminal unit fixing block, the position of the terminal unit is always maintained at a constant position, so that the position of other parts fastened to the terminal unit is also constant. Another object is to provide a method of manufacturing a motor assembly that can be taken.

In addition, the fastening groove has a diameter farther from the base than a diameter near the base, so it is easy to insert the motor, and it provides a method of manufacturing a motor assembly in which the motor can always be connected to a certain position without a separate stopper. It has another purpose.

delete

In the method of manufacturing a motor assembly according to the present invention, in the manufacturing method of a motor assembly consisting of a motor 1, a PCB board 2, a terminal unit 3 and a connector 4, the motor and the terminal unit are mounted on a fixing jig. The motor and terminal unit mounting step (S 10) and the motor terminal (1a) in the motor terminal fastening groove (2a) formed on the PCB board by mounting the PCB board on the top of the motor, and the terminal unit pin fastening groove (2c). PCB board mounting step (S20) to insert the terminal unit pins (3a), and the primary welding of welding the motor terminals (1a) and terminal unit pins (3a) inserted in the PCB board (2) to the PCB board (2) Step (S30) and connector mounting step (S40) of placing the connector (4) on the PCB board and inserting the connector pin (4a) into the pin fastening groove (2b), and the connector pin (4a) to the PCB board (2) and the secondary welding step (S50) of welding and the motor assembly separation step (S60) of separating the welded product from the fixing jig; wherein the fixing jig is a plate-shaped base (10) And, the terminal unit fixing block 20 is fixedly coupled to the base 10 and has a fitting groove 21 into which the terminal unit 3 is inserted, and the motor 1 is fixedly coupled to the base 10 A retaining fastening groove 31 is formed and composed of a motor fixing block 30 for fixing the motor 1, and the fitting groove 21 formed in the terminal unit fixing block 20 is formed of the terminal unit fixing block 20. It is characterized by a'+' shape when viewed from the top.

The manufacturing method of a motor assembly according to the present invention is to make a motor assembly composed of a motor, a PCB substrate, a terminal unit, and a connector by welding, fixing the motor and the terminal unit to the fixing jig, and then fastening the terminal unit to perform primary welding, After the first welding is completed, the welding work of the motor assembly can be conveniently performed by fastening the connector on the upper part of the terminal unit and then performing the second welding. In particular, when using an automatic welding machine using a robot, the motor, PCB board, and terminal unit And by bringing the connector to a certain position by the fixing jig, there is a remarkable effect of preventing the occurrence of defective products, and the fitting groove formed in the terminal unit fixing block is'+' when viewed from the top of the terminal unit fixing block. Because of its shape, the position of the terminal unit is always maintained at a constant position, so that the position of other parts fastened to the terminal unit can also be kept constant, and the fastening groove has a remarkable effect that the diameter of the far side from the base is closer to the base. Since it is larger than the diameter, it is easy to insert the motor, and there is a remarkable effect that the motor can always be coupled to a constant position even without a separate stopper.

1 is an exemplary configuration diagram of a motor assembly
Figure 2 is an example of a separate configuration of the motor assembly
Figure 3 is a perspective view of the configuration of a fixing jig for welding a motor assembly according to the present invention
4 is a separate configuration diagram of a fixing jig for welding a motor assembly according to the present invention
5 is a flowchart illustrating a method of manufacturing a motor assembly according to the present invention
6 and 7 are diagrams illustrating the operation of the mounting step of the motor and the terminal unit according to the present invention
Figure 8 is a diagram illustrating the operation of the PCB board mounting step according to the present invention
9 is a diagram illustrating the operation of the first welding step and the connector mounting step according to the present invention
10 is a diagram illustrating the operation of the second welding step according to the present invention
11 is a cross-sectional view of a motor fixing block according to the present invention

The present invention relates to a method of manufacturing a motor assembly using a fixing jig, and in more detail, in order to make a motor assembly composed of a motor, a PCB board, a terminal unit and a connector by welding, a motor and a terminal unit are fixed to a fixing jig, and then the terminal unit The welding work of the motor assembly can be conveniently performed by connecting the first welding by fastening and performing the second welding after fastening the connector on the top of the terminal unit after the first welding is completed. In particular, the automatic welding machine using a robot When using, it is a method of manufacturing a motor assembly that can prevent the occurrence of defective products by bringing the positions of the motor, PCB board, terminal unit, and connector to a certain position by a fixing jig.

Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is an exemplary configuration diagram of a motor assembly, and FIG. 2 is an exemplary configuration diagram of a separate configuration of the motor assembly. The illustrated motor assembly includes a motor 1 that generates rotational force by electric power, and a motor terminal of the motor 1 ( 1a), a PCB board 2 fixedly coupled to the PCB board 2, a connector 4 fixed to an upper portion of the PCB board 2 and coupled with a connector pin 4a, and a terminal unit pin fixed under the PCB board 2 It is composed of a terminal unit (3) coupled by (3a), and the PCB board (2) has two motor terminal fastening grooves (2a) to which the motor terminal (1a) of the motor (1) is fastened, Five pin fastening grooves 2b to which the connector pins 4a of the connector 4 are fastened are formed, and three terminal unit pin fastening grooves 2c to which the terminal unit pins 3a are fastened are formed.

First, two motor terminals (1a) are formed on the motor (1), so that the motor (1) and the PCB board (2) must be soldered at two points, and the PCB board (2) and the connector (4) have a total of 5 The three connector pins (4a) must be combined to be soldered at five points, and the PCB board (2) and the terminal unit (3) must be soldered at three points by combining a total of three terminal unit pins (3a). .

Therefore, after fastening the PCB board 2 to the motor 1, the first welding is performed, the second welding of the terminal unit 3 and the PCB board 2 is performed, and then the upper part of the PCB board 2 By fastening the connector 4, the third welding is performed.

Next, a description will be given of a fixing jig for welding a motor assembly that can be used in the present invention, FIG. 3 is a perspective view of a configuration of a fixing jig for welding a motor assembly according to the present invention, and FIG. 4 is a view of the fixing jig for welding a motor assembly according to the present invention. As a separate configuration diagram, the fixing jig for welding a motor assembly according to the present invention is a fixing jig for welding a motor assembly consisting of a motor 1, a PCB board 2, a terminal unit 3 and a connector 4, A plate-shaped base (10), a terminal unit fixing block (20) fixedly coupled to the base (10) and having a fitting groove (21) into which the terminal unit (3) is inserted, and fixedly coupled to the base (10) It is characterized in that the motor (1) is inserted into the fastening groove (31) is formed, consisting of a motor fixing block (30) for fixing the motor (1).

First, the base 10 is a plate-shaped block, in which a number of bolt fastening grooves are formed on one side to fix it to a table for welding work, and a through hole 11 is formed on one side of the motor shaft of the motor 1 The bevel gear (1b) installed in the motor (1) is prevented from being interfered by the base (10) when fastened, the terminal unit fixing block (20) is fixedly coupled to the base (10) and the terminal unit (3) A fitting groove (21) is formed.

Two pinholes are formed in the lower portion of the terminal unit fixing block 20, and two pins 13 are fixedly coupled to the base 10, so even if the terminal unit fixing block 20 is separated and then recombined When the terminal unit fixing block 20 is fixedly coupled to a fixed position at all times, and the position of the terminal unit fixing block 20 is correctly positioned by the pin 13 and the pinhole, the fixing bolt 42 through the lower portion of the base 10 ) To fix the terminal unit fixing block (20) to the base (10).

The motor fixing block 30 is also fixedly coupled to the base 10 and a fastening groove 31 into which the motor 1 is inserted is formed to fix the motor 1, and the motor fixing block 30 also has two A pinhole is formed, and two pins 12 are formed in the base 10, so that the motor fixing block 30 is always fixed at a certain position even when the motor fixing block is separated from the base 10 and then recombined. It is coupled, and when the position of the motor fixing block 30 is correctly positioned by the pin 12 and the pinhole, the fixing bolt 41 is inserted through the upper portion of the base 10 to make the motor fixing block 30 into the base 10. To be fixed and combined.

The fixing jig for welding a motor assembly according to the present invention is composed of a terminal unit fixing block 20 for fixing the terminal unit 3 and a motor fixing block 30 for fixing the motor 1, divided from each other. As a result, it is possible to finely adjust the distance and position between the terminal unit fixing block 20 and the motor fixing block 30, and in particular, if there is damage to a specific part due to use, only the damaged part can be replaced, so maintenance time And cost can be reduced.

The motor fixing block 30 has a cutout 35 formed from the front toward the motor, and the cutout 35 is a PCB when the PCB board 2 is fastened with the motor terminal 1a of the motor 1 A wire (not shown) fastened to the substrate 2 serves to prevent interference by the motor fixing block 30.

In addition, the terminal unit fixing block 20 is installed inside the motor fixing block 30, and the motor fixing block 30 has an upper portion of the terminal unit 3 fixed to the terminal unit fixing block 20 to the outside. An open hole 32 is formed to be exposed.

That is, the open hole 32 formed in the motor fixing block 30 allows the terminal unit 3 to be fastened toward the upper side of the terminal unit fixing block 20 and at the same time, the terminal unit pin ( By allowing 3a) to be exposed to the outside, fastening with the PCB substrate 2 can be made easily.

In addition, the fitting groove 21 formed in the terminal unit fixing block 20 has a'+' shape when viewed from the top of the terminal unit fixing block 20.

In other words, the'+'-shaped fitting groove 21 can hold both the front and left and right directions of the terminal unit 3 so that the joint position of the terminal unit 3 can always be kept constant, and thus the terminal unit 3 The fastening position of the PCB board 2 fastened to) can also be taken constantly.

5 is a flow chart showing the configuration of a method for manufacturing a motor assembly according to the present invention. The method for manufacturing a motor assembly according to the present invention is a motor consisting of a motor 1, a PCB board 2, a terminal unit 3, and a connector 4 In the assembly manufacturing method, the motor and terminal unit mounting step (S10) of mounting the motor and the terminal unit to the fixing jig, and the motor terminal fastening groove (2a) formed on the PCB board by mounting the PCB board on the top of the motor. The PCB board mounting step (S20) of inserting the terminal (1a) and the terminal unit pin (3a) into the terminal unit pin fastening groove (2c), and the motor terminal (1a) and terminal unit inserted into the PCB board (2) The first welding step (S30) of welding the pins (3a) to the PCB board (2), and mounting the connector to insert the connector pins (4a) into the pin fastening grooves (2b) by placing the connector (4) on the top of the PCB board. Step (S40), a secondary welding step (S50) of welding the connector pin (4a) to the PCB substrate (2), and a motor assembly separation step (S60) of separating the welded product from the fixing jig Consists of;

First, in the motor and terminal unit mounting step (S 10), as shown in FIGS. 6 and 7, the terminal unit 3 is inserted from the top to the bottom to the terminal unit fixing block 20 of the fixing jig, and then the motor fixing block It is a step of fitting the bevel gear (1b) of the motor (1) to (30) downward, and the order of fixing the terminal unit (3) first or inserting the motor (1) first is irrelevant.

Next, in the PCB board mounting step (S 20), as shown in FIG. 8, the motor terminal 1a is inserted into the motor terminal fastening groove 2a formed on the PCB board 2, and the terminal unit pin fastening groove 2c. As a step of inserting the terminal unit pin (3a) to the terminal unit pin (3a) is also inserted first or the motor terminal (1a) first, etc. The order is irrelevant.

Next, the first welding step (S30) is a step of performing welding on the portion indicated by the arrow in FIG. 9, and is a step of welding the motor terminal 1a and the terminal unit pin 3a with the PCB board 2 , This is a step of welding the motor terminal 1a and the terminal unit pin 3a with the circuit printed on the PCB board by a method such as soldering so as to be electrically connected.

Here, the first welding step (S30) can be divided into a motor terminal welding step (S31) and a terminal unit pin welding step (S32), and the two welding rods are in different directions from the motor terminal (1a) By moving toward the terminal unit pin (3a), welding can be performed at the same time.

In addition, since the amount of bead formed by the welding of the motor terminal (1a) and the amount of bead formed by the welding of the terminal unit pin (3a) must be different, two welding rods are used to simultaneously generate beads to reduce the time required for welding. I can.

Next, the connector mounting step (S40) is a step in which the connector 4 is placed on the upper part of the PCB board on which the primary welding has been completed, as shown in FIG. 9, and the connector pin 4a is inserted into the pin fastening groove 2b. After inserting (4a) into the pin fastening groove (2b), the secondary welding step (S50) proceeds.

The second welding step (S50) is a step of welding a portion indicated by an arrow in FIG. 10, and is a step of welding the connector pin 4a with a circuit printed on the PCB substrate to be electrically connected.

After the second welding step (S50) is completed, a motor assembly separation step (S60) of separating the welded product, that is, the motor assembly from the fixing jig, is performed.

Next, Figure 11 is a cross-sectional view of the motor fixing block according to the present invention, the fastening groove 31 formed in the motor fixing block 30 has a diameter (D ₁ ) far from the base 10 that is close to the base. Because it is larger than the diameter of the side (D ₂ ), it is easy to insert the motor (1), and the diameter of the far side (D ₁ ) from the base 10 is larger than the outer diameter of the motor (1), and The diameter (D ₂ ) is smaller than the outer diameter of the motor (1), so it is easy to insert the motor (1), and as the motor (1) is inserted into the fastening groove (31), a separate stopper according to the diameter change of the fastening groove (31). Even if there is no, the motor 1 stops naturally.

That is, the motor 1 has a circular shape of a constant diameter outside for rotation of the rotor inside, and the diameter (D ₁ ) on the far side from the base of the fastening groove 31 is the diameter on the side close to the base ( D ₂ ) is formed larger than the motor 1 to facilitate fastening of the motor 1 and at the same time, after the motor 1 is fastened to a certain depth, the motor 1 is naturally stopped as the diameter of the fastening groove 31 decreases. Positioning with respect to depth is made easily.

In addition, a groove 33 having a shape corresponding to the shape of the PCB substrate 2 is formed on the upper portion of the motor fixing block 30, and the edge of the groove 33 is chamfered, and the groove ( A groove 34 is formed at the edge of 33) to facilitate the separation of the PCB substrate 2.

That is, the concave groove 33 is a motor terminal fastening groove formed on the PCB substrate 2 when the position of the motor 1 inserted into the fastening groove 31 is not the correct position according to the shape of the PCB substrate 2 Since the motor terminal (1a) is not inserted into (2a), the motor (1) is rotated to the correct position, and then the motor terminal (1a) is inserted into the motor terminal fastening groove (2a) and welding is performed in this state. Motor assemblies of constant quality can always be produced.

Therefore, the position of the motor 1 can be held by the groove 33, and the position of the terminal unit 3 can be held by the fitting groove 21 of the terminal unit fixing block 20, thereby As the PCB board (2) and the terminal unit (3) are constrained to each other's positions, the joint positions of each other can always be kept constant, thereby preventing the occurrence of defective products when automatic welding by a robot is performed. In addition, it can prevent the occurrence of errors in the automatic welding machine, thereby increasing the production volume of the product.

In the above-described embodiment, one terminal unit fixing block 20 and a motor fixing block 30 may be attached to the base 10, and as shown in Figs. 2 and 3, two terminal unit fixing blocks ( 20) and the motor fixing block 30 may be attached, and two or more terminal unit fixing blocks 20 and the motor fixing block 30 may be attached.

In the end, in the method of manufacturing a motor assembly according to the present invention, in order to make a motor assembly composed of a motor, a PCB board, a terminal unit and a connector by welding, the motor and the terminal unit are fixed to the fixing jig, and then the terminal unit is connected to perform primary welding. And, after the first welding is completed, the welding work of the motor assembly can be conveniently performed by fastening the connector on the upper part of the terminal unit and then performing the second welding. In particular, in the case of using an automatic welding machine using a robot, the motor, PCB board, There is a remarkable effect of preventing the occurrence of defective products by bringing the position of the terminal unit and connector to a certain position by the fixing jig, and the fitting groove formed in the terminal unit fixing block is'when viewed from the top of the terminal unit fixing block. Since it has a +'shape, the position of the terminal unit is always maintained at a constant position, so that the position of other parts fastened to the terminal unit can also be kept constant, and the fastening groove has a remarkable effect that the diameter of the far side from the base is close to the base. Since it is larger than the diameter of the side, it is easy to insert the motor, and there is a remarkable effect that the motor can always be coupled to a constant position even without a separate stopper.

1. Motor 1a. Motor terminal
1b. Bevel gear
2. PCB board 2a. Motor terminal fastening groove
2b. Pin fastening groove 2c. Terminal unit pin fastening groove
3. Terminal unit 3a. Terminal unit pin
4. Connector 4a. Connector pin
10; Base
11. Through hole 12. Pin
13. Pin
20; Terminal unit fixing block
21. Fitting groove
30; Motor fixing block
31. Fastening groove 32. Open hole
33. Groove 34. Groove
35. Incision
41, 42. Fixing bolt
S 10; Motor and terminal unit mounting step S 20; PCB board mounting step
S 30; 1st welding step S 40; Connector mounting steps
S 50; 2nd welding step S 60; Motor assembly separation step

Claims (4)

In the method of manufacturing a motor assembly consisting of a motor (1), a PCB substrate (2), a terminal unit (3) and a connector (4),
The motor and terminal unit mounting step (S10) of mounting the motor and terminal unit on the fixing jig, and the motor terminal (1a) in the motor terminal fastening groove (2a) formed on the PCB board by mounting the PCB board on the top of the motor PCB board mounting step (S20) of inserting the terminal unit pin (3a) into the terminal unit pin fastening groove (2c), and the motor terminal (1a) and the terminal unit pin (3a) inserted into the PCB board (2) to the PCB board. (2) the first welding step (S30) of welding, and the connector mounting step (S40) of placing the connector 4 on the upper part of the PCB substrate and inserting the connector pin (4a) into the pin fastening groove (2b), Consists of a secondary welding step (S 50) of welding the connector pin 4a with the PCB substrate 2 and a motor assembly separation step (S 60) of separating the welded product from the fixing jig,
The fixing jig includes a plate-shaped base 10, a terminal unit fixing block 20 fixedly coupled to the base 10 and having a fitting groove 21 into which the terminal unit 3 is inserted, and the base 10 ) Is fixedly coupled to the motor (1) and is configured with a motor fixing block (30) that fixes the motor (1), and a fitting groove (31) formed in the terminal unit fixing block (20). 21) is a method of manufacturing a motor assembly characterized in that it has a'+' shape when viewed from the top of the terminal unit fixing block 20.
The method of claim 1,
The first welding step (S30) can be divided into a motor terminal welding step (S31) and a terminal unit pin welding step (S32), and the two welding rods are in different directions, the motor terminal 1a and the terminal unit. A method of manufacturing a motor assembly characterized by moving toward the pin (3a) and performing welding at the same time.
delete The method of claim 1,
The fastening groove 31 formed in the motor fixing block 30 has a diameter (D ₁ ) farther from the base 10 than a diameter (D ₂ ) near the base, so that the motor 1 can be easily inserted. , The diameter of the far side (D ₁ ) from the base (10) is larger than the outer diameter of the motor (1), and the diameter (D ₂ ) of the side near the base (10) is smaller than the outer diameter of the motor (1). At the same time, the motor 1 is inserted into the fastening groove 31 and stops naturally after the motor 1 is fastened to a certain depth even without a separate stopper according to the diameter change of the fastening groove 31. How to make a motor assembly.

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