Manual assembling tool based on WTX power inductor

The manual assembly tool for WTX power inductors addresses inefficiencies in coil bending by using a folding seat and loading module to ensure precise alignment and stable fitting, improving production efficiency and consistency.

CN119252633APending Publication Date: 2025-01-03GUIYANG SUNLORD SCHINDLER ELECTRONICS CO LTD
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Patent Information

Application Number
CN202411601601.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-11
Publication Date
2025-01-03

AI Technical Summary

Technical Problem

The manual assembly of WTX power inductors with air-core coils and T-shaped cores is inefficient due to the small size and difficulty in bending the coils accurately, leading to poor fitting tightness and low work efficiency.

Method used

A manual assembly tool with a folding seat, loading module, and various folding modules that guide the coil bending process, ensuring precise alignment and stable fitting through a series of folding grooves and positioning mechanisms.

Benefits of technology

Improves the accuracy and efficiency of coil bending, enhances fitting tightness, and allows for small batch production with high compatibility and consistency across different specifications.

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Abstract

The invention discloses a manual assembly tool based on a WTX power inductor, which comprises a broken line seat and a loading module, the two ends of the broken line seat are placed on a base, the middle part is suspended, the upper part of the broken line seat is provided with a cavity for placing the loading module, and the middle part of the loading module is provided with an inductor placing cavity; folding line grooves are formed in the front side, the rear side, the upper side and the lower side of the loading module and the two sides of the inductor containing cavity corresponding to the inductor containing cavity, a one-folding jack and a pressing jack are formed between the two sides of the folding line base and the loading module, a three-folding jack is formed in the position, located on one side of the pressing jack, of the bottom of the folding line base, and a two-folding jack and a four-folding jack are formed in the two sides of the folding line base respectively; the first-fold module, the second-fold module, the third-fold module and the fourth-fold module are inserted into the fold line seat through the first-fold insertion hole, the second-fold insertion hole, the third-fold insertion hole and the fourth-fold insertion hole respectively and connected with the loading module in an inserted mode through the fold line groove. The magnetic core bending coil can be attached easily, the pressing and attaching tightness is improved, small-batch simultaneous machining can be achieved while the operation efficiency is improved, and the production efficiency is improved.
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Description

Technical Field

[0001] The invention belongs to the technical field of WTX power inductor assembly, and in particular relates to a manual assembly tool based on WTX power inductors. Background Art

[0002] The existing WTX power inductor's air-core coil is combined with a T-shaped core, and the two ends of the coil are horizontally oriented. It needs to be bent along the plane of the T-shaped core to form electrode pins. Currently, the production batch of WTX power inductors is small. They are assembled by bending them manually and then directly pressed and fitted using a pressing mold. Due to the small size of WTX power inductors, this method is inconvenient to operate, easily causing the air-core coil to deviate, the pressing and fitting tightness to be poor, and the work efficiency is extremely low. Summary of the invention

[0003] In order to solve the above technical problems, the present invention provides a manual assembly tool based on WTX power inductors.

[0004] The technical solution adopted by the present invention is a manual assembly tool based on WTX power inductor, including a folding seat and a loading module, the two ends of the folding seat are placed on the base and suspended in the middle, a cavity is provided in the center of the upper part of the folding seat, a first folding plate and a second folding plate are formed on both sides of the cavity, and the bottom ends of the first folding plate and the second folding plate are integrally formed through a connecting seat; a folding hole and a pressing hole are respectively vertically provided on the inner sides of the first folding plate and the second folding plate, a three-folding hole is provided on the bottom of the folding seat on one side of the pressing hole, and two folding holes and four folding holes are correspondingly provided on the first folding plate and the second folding plate; the loading module is placed in the cavity, an inductor placement cavity is provided in the middle of the loading module, and folding grooves are provided on the front and rear sides and the upper and lower sides of the loading module and the corresponding inductor placement cavities on both sides of the inductor placement cavity, the one-fold module, the two-fold module, the three-fold module and the four-fold module are respectively inserted into the folding seat through the one-folding hole, the two-folding hole, the three-folding hole and the four-folding hole, and plugged with the loading module through the folding groove, so that the coil is bent along the folding groove.

[0005] Preferably, the loading module comprises a loading female seat and a loading male seat in a rectangular structure, a plurality of inductor placement cavities are evenly spaced on the top of the loading female seat, fold line grooves are provided on the left and right sides of the inductor placement cavity corresponding to the coils, the fold line grooves extend along the two sides of the loading female seat, a positioning short strip is provided between adjacent inductor placement cavities, and a positioning long strip is provided on the front and rear sides of the inductor placement cavity; an inductor positioning seat is provided at the bottom end of the loading male seat corresponding to the loading female seat, a magnetic core hole is provided in the center of the inductor positioning seat for matching the magnetic core, and fold line grooves are provided on the left and right sides of the inductor positioning seat corresponding to the coils, the fold line grooves extend along the two sides of the loading male seat, a positioning short strip is provided between adjacent inductor positioning seats, and a positioning long strip is provided on the front and rear sides of the inductor positioning seat corresponding to the positioning long strip, positioning holes are provided at both ends of the loading female seat and the loading male seat, the bottom end of the loading male seat is connected to the top of the loading female seat, the positioning short strip is embedded in the positioning short strip, the positioning long strip is embedded in the positioning long strip, and the loading female seat and the loading male seat are fixed by using positioning pins to pass through the positioning holes.

[0006] Preferably, it also includes a tangent seat and a tangent module, the tangent seat is recessed inwardly with a fixing groove, both ends of the fixing groove are provided with tangent positioning pins, the tangent positioning pins are inserted into the loading module through the positioning holes, a tangent table is provided on one side of the fixing groove, a tangent groove is provided on the tangent table, a tangent plate is provided between the tangent groove and the fixing groove, a coil hole is provided at the top of the tangent plate corresponding to the inductor placement cavity, the coil extends out of the loading module and falls into the coil hole and the end extends out of the tangent plate, a cutting tooth is provided at the bottom of the tangent module corresponding to the coil, and the tangent module is inserted into the tangent table through the tangent groove.

[0007] Preferably, a first limit strip and a second limit strip are respectively formed between the folding grooves on the front and rear sides of the loading female seat and the loading male seat, the outer end surface of the first limit strip is flush with the loading female seat or the loading male seat, and the outer end surface of the second limit strip is located inside the loading male seat or the loading female seat.

[0008] Preferably, the one-fold module and the three-fold module are provided with fold lines on the sides corresponding to the fold line grooves on the front and rear sides of the loading module, the two-fold module is provided with a first bending portion at the head end, the first bending portion includes two bending strips extending horizontally outward, the two bending strips are arranged corresponding to the fold line grooves and the head end is provided with an L-shaped notch, and a first limiting groove matching the first limiting strip is formed between the two bending strips, and the four-fold module is provided with a second bending portion at the top of the head end, the second bending portion extends horizontally outward and a second limiting groove is provided in the middle corresponding to the second limiting strip.

[0009] Preferably, it also includes a clamping module, and the side of the clamping module is matched with the folding groove and the second limit strip on the rear side of the loading base, and a clamping strip and a clamping groove are provided. The clamping module is inserted into the folding base through the clamping socket, and the clamping strip box clamping groove is respectively engaged and connected with the folding groove and the second limit strip.

[0010] Preferably, the above-mentioned connecting seat is provided with fold line sockets on both sides of the bottom end of the cavity, and loading positioning pins are vertically provided in the center of both ends of the connecting seat. The loading module is placed in the cavity and plugged into the loading positioning pins. Fold line positioning holes are correspondingly opened at the top of the first fold line plate and the second fold line plate. The fold line positioning holes are located above the loading module, and the loading module is confined in the cavity by using fold line positioning pins to pass through the fold line positioning holes.

[0011] The method of using the manual assembly tool based on the WTX power inductor includes the following steps: S1. Manually place the magnetic core coil assembly into the loading module so that the coil extends toward the front of the loading module; S2, close the loading module and place it on the trimming seat, press the trimming module to complete the trimming; S3. Place the loading module that has completed cutting into the folding seat, and manually push each module into the folding seat in the order of one fold, two folds, three folds, four folds, and pressing. Complete all operations and obtain the finished product in the loading module.

[0012] Compared with the prior art, the present invention has the following beneficial effects: The present invention utilizes a loading module to load and fix the coil magnetic core, and then fixes it through a folding seat to ensure that the corresponding jacks correspond to the corresponding modules one by one, which is conducive to the accurate insertion of each folding module into the corresponding folding groove, fitting the magnetic core to bend the coil, and improving the pressing and fitting tightness. In addition, each module is mechanically connected to stabilize and move the coil, which is convenient to operate, improves the operating efficiency, and can realize small batch processing at the same time, thereby improving production efficiency.

[0013] For hollow coils and T-shaped magnetic cores of different specifications, this tool can be used to cut and fold corners to achieve small batch production of products. By replacing modules of different sizes, hollow coils and T-shaped magnetic cores of different specifications can be matched with each other, with high compatibility and good consistency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 This is the main view of the folding line seat; Figure 3 It is the top view of the folding line seat; Figure 4 It is a side view of the folding seat; Figure 5 It is a schematic diagram of the loading module structure; Figure 6 This is the main view of the tangent seat; Figure 7 It is the top view of the tangent seat; Figure 8 This is the main view of the tangent module; Fig. 9 This is the main view of a folding module; Fig.10 This is a top view of a folded module; Fig.11 This is the main view of the bi-fold module; Fig.12 It is the side view of the two-fold module; Fig.13 This is the main view of the four-fold module; Fig.14 It is the side view of the four-fold module; Fig.15 This is the main view of the clamping module; Fig.16 Schematic diagram of the bending process. DETAILED DESCRIPTION

[0015] The present invention will be further explained below in conjunction with the accompanying drawings to facilitate better understanding by those skilled in the art.

[0016] Example 1 See also Figure 1-15 As shown, the manual assembly tooling based on the WTX power inductor includes a folding seat 1, a loading module 2, a tangent seat 3, a one-folding module 4, a two-folding module 5, a three-folding module 6, a four-folding module 7, a pressing module 8, a tangent module 9 and a base 10.

[0017] The base 10 is two rectangular blocks of the same size. The two bases 10 are placed in parallel with each other, and the two ends of the folding seat 1 are placed in the middle of the base 10 and suspended. A cavity 101 is provided in the center of the upper part of the folding seat 1 for placing the loading module 2. The first folding plate 102 and the second folding plate 103 are formed on both sides of the cavity 101. The bottom ends of the first folding plate 102 and the second folding plate 103 are integrally formed through the connecting seat 104, and the folding seat 1 is in a concave shape as a whole. A folding hole 105 and a pressing hole 106 are respectively vertically provided on the inner sides of the first folding plate 102 and the second folding plate 103. The folding hole 105 and the pressing hole 106 both extend toward the connecting seat 104. A three-folding hole 107 is provided on the bottom of the folding seat 1 on one side of the pressing hole 106, and two-folding holes 108 and four-folding holes 109 are correspondingly provided on the first folding plate 102 and the second folding plate 103. The connecting seat 104 is provided with fold line insertion holes 1041 on both sides of the bottom end of the cavity, and loading positioning pins 1042 are vertically provided in the center of both ends of the connecting seat 104. The loading module 2 is placed in the cavity 101 and plugged into the loading positioning pins 1042. Fold line positioning holes 110 are correspondingly opened at the top ends of the first fold line plate 102 and the second fold line plate 103. The fold line positioning hole 1010 is located above the loading module 2, and the fold line positioning pin 111 is used to pass through the fold line positioning hole 110 to confine the loading module 2 in the cavity 101. An inductor placement cavity 203 is provided in the middle of the loading module 2, and folding grooves 204 are provided on the front and rear sides and the upper and lower sides of the loading module 2 and on both sides of the inductor placement cavity 203 corresponding to the inductor placement cavity 203. The one-fold module 4, the two-fold module 5, the three-fold module 6 and the four-fold module 7 are respectively inserted into the folding seat 1 through the one-fold plug hole 105, the two-fold plug hole 108, the three-fold plug hole 107 and the four-fold plug hole 109, and plugged with the loading module 2 through the folding groove 204 to bend the coil along the folding groove 204. The loading module 2 is placed in the cavity 101 and plugged with the folding positioning pin 1042 to make the loading module 2 relatively fixed, ensuring that the corresponding plug hole corresponds to the corresponding module one by one, which is conducive to the precise insertion of each folding module into the corresponding folding groove, fitting the magnetic core to bend the coil, improving the pressing and fitting tightness, and using each module to mechanically connect and stabilize and move the coil, which is convenient to operate, improves the operating efficiency, and can realize small batch processing at the same time, thereby improving production efficiency.

[0018] Furthermore, the loading module 2 includes a loading female seat 201 and a loading male seat 202 in a rectangular structure, a plurality of inductor placement cavities 203 are evenly spaced at the top of the loading female seat 201, and fold line grooves 204 are provided on the left and right sides of the inductor placement cavity 203 corresponding to the coils, and the fold line grooves 204 extend along both sides of the loading female seat 201, and positioning short strips 205 are provided between adjacent inductor placement cavities 203, and positioning long grooves 206 are provided on the front and rear sides of the inductor placement cavity 203; an inductor positioning seat 207 is provided at the bottom end of the loading male seat 202 corresponding to the loading female seat 201, a magnetic core hole 208 is provided in the center of the inductor positioning seat 207 for matching the magnetic core, and the left and right sides of the inductor positioning seat 207 are provided with a magnetic core hole 208. A folded line groove 204 is provided on the side corresponding to the coil, and the folded line groove 204 extends along both sides of the loading male seat 202. A positioning short groove 208 is provided on the corresponding positioning short strips 205 between adjacent inductor positioning seats 207. A positioning long strip 209 is provided on the front and rear sides of the inductor positioning seat 207 corresponding to the positioning long groove 206. Loading positioning holes 210 are provided on both ends of the loading female seat 201 and the loading male seat 202. The bottom end of the loading male seat 202 is connected to the top end of the loading female seat 201, the positioning short strip 205 is embedded in the positioning short groove 208, and the positioning long strip 209 is embedded in the positioning long groove 206. The loading female seat 201 and the loading male seat 202 are fixed by passing through the loading positioning hole 210 with a connecting positioning pin 211. The loading female seat 201 and the loading male seat 202 are respectively provided with an inductor placement cavity 203 and an inductor positioning seat 207 to fix the magnetic core coil, and multiple unified operations can be placed at the same time, and the loading female seat 201 and the loading male seat 202 are connected to form a loading module 2, which has a stable clamping effect on the magnetic core coil to be operated to prevent it from shifting, and fold line grooves 204 are opened on the left and right sides of the inductor placement cavity 203 corresponding to the coil, and the fold line grooves 204 extend along both sides of the loading female seat 201 to form a fold line passage on the outside of the magnetic core coil, and the coil can be directly folded once, twice, three times and four times without changing the position of the magnetic core coil, thereby improving the convenience and stability of the fold line and preventing the displacement during the placement and transfer process.

[0019] Among them, the first limit strip 212 and the second limit strip 213 are respectively formed between the folding grooves 204 on the front and rear sides of the loading female seat 201 and the loading male seat 202. The outer end surface of the first limit strip 212 is flush with the loading female seat 201 or the loading male seat 202, and the outer end surface of the second limit strip 213 is located inside the loading male seat 202 or the loading female seat 201.

[0020] The tangent seat 3 is recessed inwardly to provide a fixing groove 301, with tangent positioning pins 302 at both ends of the fixing groove 301, the tangent positioning pins 302 are inserted into the loading module 2 through the loading positioning hole 210, a tangent table 303 is provided on one side of the fixing groove 301, a tangent groove 304 is provided on the tangent table 303, a tangent plate 305 is provided between the tangent groove 304 and the fixing groove 301, a coil hole 306 is provided at the top of the tangent plate 305 corresponding to the inductor placement cavity 203, the coil extends out of the loading module 2 and falls into the coil hole 306 and the end extends out of the tangent plate 305, a cutting tooth 901 is provided at the bottom of the tangent module 9 corresponding to the coil, and the tangent module 9 is inserted into the tangent table 303 through the tangent groove 304. The loading module 2 equipped with the magnetic core coil is placed into the fixing groove 301 and fixed by the tangent positioning pin 302. The tangent module 9 cuts off the protruding coil downward to ensure that the coil length is the designed length, and the coil end is triangular and bent to make it in flat contact with the coil on the top surface of the magnetic core.

[0021] The one-fold module 4 and the three-fold module 6 are both flat plates with a set thickness. The one-fold module 4 and the three-fold module 6 can just be inserted into the one-fold insertion hole 105 and the three-fold insertion hole 107 to fit with the loading module 2. The side surface is provided with a fold line 11 corresponding to the fold line groove 204 on the front and rear sides of the loading module 2. The head end of the two-fold module 5 is provided with a first bending portion 501. The first bending portion 501 includes two horizontally extending outward bending strips. The two bending strips are provided corresponding to the fold line groove 204 and the head end is provided with an L-shaped notch 502. A first limiting groove 503 matching the first limiting strip 212 is formed between the two bending strips 501. The top of the head end of the four-fold module 7 is provided with a second bending portion 701. The second bending portion 701 extends outward horizontally and a second limiting groove 702 is provided in the middle corresponding to the second limiting strip 213. Since the outer end surface of the first limiting strip 212 is flush with the loading female seat 201 or the loading male seat 202, after the double-fold module 5 is inserted into place, the first limiting groove 503 is engaged with the first limiting strip 212, and the first bending portion 501 is pushed inward through the folding groove 204 on the side of the inductor placement cavity 203, and the first bending portion 501 is provided with an L-shaped notch 502 near the end, which is conducive to the lower end of the first bending portion 501 continuing to press the coil to the bottom end of the magnetic core, ensuring that the coil is close to the magnetic core after the double fold, and the horizontal upper body faces the other end. The outer end face of the second limit strip 213 is located inside the loading male seat 202 or the loading female seat 201, and there is a gap between the end face of the loading module and the side face. After the second bending portion 701 of the four-fold module 7 is inserted, the folding grooves 204 on both sides of the inductor placement cavity 203 bend the coil along the top surface of the magnetic core. At this time, the length of the coil of the fourth fold is smaller and the bending is shallower. Therefore, the second bending portion of the U-shaped structure cooperates with the shorter second limit strip to ensure that the bending is in place, which not only ensures the close fit between the coil and the magnetic core, but also avoids damage to the magnetic core behind the coil due to excessive operation.

[0022] The side of the clamping module 8 matches the folding groove 204 and the second limit strip 213 on the rear side of the loading mother seat 201, and is provided with a clamping strip 801 and a clamping groove 802. The clamping module 8 is inserted into the folding seat 1 through the clamping socket 106, and the clamping strip 801 and the clamping groove 802 are respectively engaged and connected with the folding groove 204 and the second limit strip 213.

[0023] Example 2 The use of manual assembly tooling based on WTX power inductors, such as Fig.16 As shown, the following steps are included: S1. Manually place the magnetic core-coil combination on the loading base 201 of the loading module 2, so that the magnetic core just falls into the inductor placement cavity 203, and the coil extends toward the front side of the loading module (i.e., one side of the first limit strip extends); S2. Align the loading male seat with the loading female seat, close them to obtain a loading module, place the loading module on the tangent seat and fix it with the tangent positioning pin, press the tangent module to complete the tangent; S3. Place the loading module that has completed cutting into the folding line seat, first use the loading positioning pin 2042 to fix the loading module 2, then insert the folding line positioning pin 211, and then push the one-fold module, two-fold module, three-fold module and four-fold module into the folding line seat in the order of one fold, two folds, three folds, four folds and pressing, and finally use the pressing module to press, complete all operations, and obtain the finished product in the loading module.

[0024] The above-described embodiments are only for describing the preferred implementation of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit and principles of the present invention, various modifications and improvements made by those skilled in the art to the technical solution of the present invention should all fall within the scope of protection determined by the claims of the present invention.

Claims

1. The manual assembly tool based on WTX power inductor is characterized by: The invention comprises a folding seat (1) and a loading module (2), wherein the two ends of the folding seat (1) are placed in the middle of a base (10) and suspended in the air, a cavity (101) is provided in the center of the upper part of the folding seat (1), a first folding plate (102) and a second folding plate (103) are formed on both sides of the cavity (101), and the bottom ends of the first folding plate (102) and the second folding plate (103) are integrally formed through a connecting seat (104); a folding plug hole (105) and a pressing plug hole (106) are respectively vertically provided on the inner sides of the first folding plate (102) and the second folding plate (103), a three-folding plug hole (107) is provided on one side of the pressing plug hole (106) at the bottom of the folding seat (1), and the first folding plate (102) and the second folding plate (103) are opposite to each other. A two-fold plug hole (108) and a four-fold plug hole (109) are provided; the loading module (2) is placed in the cavity (101); an inductor placement cavity (203) is provided in the middle of the loading module (2); and folding grooves (204) are provided on the front and rear sides and the upper and lower sides of the loading module (2) and on both sides of the inductor placement cavity (203) corresponding to the inductor placement cavity (203); the one-fold module (4), the two-fold module (5), the three-fold module (6) and the four-fold module (7) are respectively inserted into the folding seat (1) through the one-fold plug hole (105), the two-fold plug hole (108), the three-fold plug hole (107) and the four-fold plug hole (109), and are plugged with the loading module (1) through the folding grooves (204), so that the coil is bent along the folding grooves (204).

2. The manual assembly tool based on WTX power inductor according to claim 1 is characterized in that: The loading module (2) comprises a loading female seat (201) and a loading male seat (202) in a rectangular parallelepiped structure; a plurality of inductor placement cavities (203) are evenly spaced and arranged on the top of the loading female seat (201); folding grooves (204) are provided on the left and right sides of the inductor placement cavity (203) corresponding to the coils; the folding grooves (204) extend along the two sides of the loading female seat (201); positioning short strips (205) are provided between adjacent inductor placement cavities (203); and positioning long grooves (206) are provided on the front and rear sides of the inductor placement cavity (203); an inductor positioning seat (207) is provided at the bottom end of the loading male seat (202) corresponding to the loading female seat (201); a magnetic core hole is provided in the center of the inductor positioning seat (207) for matching the magnetic core; and folding grooves are provided on the left and right sides of the inductor positioning seat (207) corresponding to the coils. The line groove (204) extends along both sides of the loading male seat (202); a positioning short groove (208) is provided between adjacent inductor positioning seats (207) corresponding to the positioning short strips (205); a positioning long strip (209) is provided on the front and rear sides of the inductor positioning seat (207) corresponding to the positioning long slot (206); loading positioning holes (210) are provided at both ends of the loading female seat (201) and the loading male seat (202); the bottom end of the loading male seat (202) is connected to the top end of the loading female seat (201); the positioning short strip (206) is embedded in the positioning short groove (208); the positioning long strip (209) is embedded in the positioning long slot (206); and a loading positioning pin (211) is used to pass through the loading positioning hole (210) to fix the loading female seat (201) and the loading male seat (202).

3. The manual assembly tool based on WTX power inductor according to claim 2 is characterized in that: It also comprises a tangent seat (3) and a tangent module (9); the tangent seat (3) is provided with a fixing groove (301) recessed inwardly; tangent positioning pins (302) are provided at both ends of the fixing groove (301); the tangent positioning pins (302) are inserted into the loading module (2) through the loading positioning hole (210); a tangent platform (303) is provided on one side of the fixing groove (301); a tangent groove (304) is provided on the tangent platform (303); a tangent plate (305) is provided between the tangent groove (304) and the fixing groove (301); a coil hole (306) is provided at the top end of the tangent plate (305) corresponding to the inductor placement cavity (203); the coil extends out of the loading module (2) and falls into the coil hole (306) and the end extends out of the tangent plate (305); a cutting tooth (901) is provided at the bottom end of the tangent module (9) corresponding to the coil; the tangent module (9) is inserted into the tangent platform (303) through the tangent groove (304).

4. The manual assembly tool based on WTX power inductor according to claim 2 is characterized in that: A first limiting strip (212) and a second limiting strip (213) are respectively formed between the folding grooves (204) on the front and rear sides of the loading female seat (201) and the loading male seat (202); an outer end surface of the first limiting strip (212) is flush with the loading female seat (201) or the loading male seat (202); and an outer end surface of the second limiting strip (213) is located inside the loading male seat (202) or the loading female seat (201).

5. The manual assembly tool based on WTX power inductor according to claim 4 is characterized in that: The one-fold module (4) and the three-fold module (6) are provided with fold lines (11) on the side surfaces corresponding to the fold line grooves (204) on the front and rear sides of the loading module (2); the two-fold module (5) is provided with a first bending portion (501) at the head end; the first bending portion (501) comprises two bending strips extending horizontally outwards, the two bending strips are provided corresponding to the fold line grooves (204) and the head end is provided with an L-shaped notch (502); a first limiting groove (503) matching the first limiting groove (212) is formed between the two bending strips; the four-fold module (7) is provided with a second bending portion (701) at the top of the head end; the second bending portion (701) extends horizontally outwards and a second limiting groove (702) is provided in the middle corresponding to the second limiting groove (213).

6. The manual assembly tool based on WTX power inductor according to claim 4 is characterized in that: It also includes a clamping module (8), the side of the clamping module (8) matching the folding groove (204) and the second limiting strip (213) on the rear side of the loading mother seat (201) is provided with a clamping strip (801) and a clamping groove (802), the clamping module (9) is inserted into the folding seat (1) through the clamping socket (106), and the clamping strip (801) and the clamping groove (802) are respectively engaged with the folding groove (204) and the second limiting strip (213).

7. The manual assembly tool based on WTX power inductor according to claim 1 is characterized in that: The connection seat (104) is provided with folded line insertion holes (1041) on both sides of the bottom end of the cavity, and loading positioning pins (1042) are vertically provided at the center of both ends of the connection seat (104). The loading module (2) is placed in the cavity (101) and plugged into the loading positioning pins (1042). The top ends of the first folded line plate (102) and the second folded line plate (103) are provided with folded line positioning holes (110) correspondingly. The folded line positioning holes (110) are located above the loading module (2), and the folded line positioning pins (111) are used to pass through the folded line positioning holes (110) to confine the loading module (2) in the cavity (101).

8. The method for using the manual assembly tool based on the WTX power inductor according to any one of claims 1 to 7, characterized in that: The following steps are involved: S1. manually placing the magnetic core coil assembly into the loading module (2) so that the coil extends toward the front side of the loading module (2); S2, the loading module (2) is closed and placed on the thread trimming seat (3), and the thread trimming module (9) is pressed to complete the thread trimming; S3, placing the loading module (2) that has completed cutting into the folding seat (1), and manually pushing each module into the folding seat in the order of one fold, two folds, three folds, four folds, and pressing, completing all operations, and obtaining a finished product in the loading module.