Semi-automatic assembly tool for WTX power inductor

Abstract

A WTX power inductor semi-automatic assembling tool disclosed by the present invention comprises a wire cutting module, a wire folding module and a loading module, the loading module is provided with an inductor placing cavity, the two sides of the inductor placing cavity are provided with wire folding grooves, the wire cutting module and the wire folding module are installed on an operation table, and the wire cutting module comprises a wire cutting seat and a first pressing mold arranged above the wire cutting seat. A line cutting die and a first-folding die are arranged below the first pressing die, the line folding module comprises a line folding base and a second pressing die arranged above the line folding base, and a second-folding die, a third-folding die and a fourth-folding die are arranged at the rear end, the lower end and the front end of the line folding base respectively. The loading module is clamped and pressed through the wire cutting base, the first pressing die / wire folding base and the second pressing die, cutting and wire folding operation is carried out, stability of the magnetic core coil is facilitated, operation of the wire folding die is facilitated, meanwhile, deviation is prevented, and the pressing and attaching tightness is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of magnetic core coil assembly, and in particular relates to a WTX power inductor semi-automatic assembly tool. Background Art

[0002] The existing WTX power inductor's hollow 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. At present, the production batch of WTX power inductors is small. They are assembled by bending them manually and then directly pressed and fitted with a pressing mold. Due to the small size of WTX power inductors, this method is inconvenient to operate. It is difficult to complete the winding assembly of small-sized products manually, and the work efficiency is extremely low. It is easy to cause problems such as hollow coil deviation and poor pressing and fitting tightness. Summary of the invention

[0003] In order to solve the above technical problems, the present invention proposes a WTX power inductor semi-automatic assembly tool.

[0004] The technical solution adopted by the present invention is a WTX power inductor semi-automatic assembly tool, including a tangent module, a folding module and a loading module. The loading module is provided with an inductor placement cavity and folding grooves are provided on both sides of the inductor placement cavity. The tangent module and the folding module are installed side by side on an operating table. The tangent module includes a tangent seat and a first pressing mold movably arranged above the tangent seat, a tangent mold and a folding mold are arranged below the first pressing mold, the loading module is placed between the tangent seat and the pressing mold to perform tangent and one fold, the folding module includes a folding seat and a second pressing mold movably arranged above the folding seat, a two-folding mold, a three-folding mold and a four-folding mold are respectively provided at the rear end, the lower end and the front end of the folding seat, and the loading module is placed between the folding seat and the second pressing mold to perform two folds, three folds and four folds.

[0005] Preferably, the loading module body is in a rectangular structure, two longitudinally parallel slots are provided at the front end of the loading module to form a fold line groove, a plurality of fold line grooves are evenly spaced, a limiting portion is provided upward near the front end of the loading module near the fold line groove, the limiting portion and the front end of the fold line groove form an inductor placement cavity, and a cavity is provided at the lower part of the fold line groove at the front end of the loading module.

[0006] Preferably, a tangent table is provided at the rear end of the tangent seat, and a tangent station is provided on the tangent table corresponding to the folding groove of the loading module, the top of the first clamping mold is connected to the lever of the first cylinder, and both ends are movably sleeved on the guide rod, a tangent mold and a folding mold are provided at the lower end of the first clamping mold, and a first folding line is provided on the side of the folding mold corresponding to the folding groove. After the first clamping mold is pressed down, the tangent mold and the tangent station close the first folding line and move downward along the front end of the loading mold to make the coil bend downward.

[0007] Preferably, a second cylinder is installed at the rear end of the above-mentioned folding seat, and the lever of the second cylinder is horizontally connected to the second folding mold forward, the second folding mold is embedded in the guide platform and slides along it, and an L-shaped second folding line is provided at the front end of the second folding mold corresponding to the folding groove, a three-folding mold is provided in the middle of the folding seat, and a third folding line is provided at the top of the three-folding mold corresponding to the folding groove, and the bottom end passes through the folding seat and is connected with the lever of the third cylinder, and is driven by the third cylinder to move up and down, and a fourth cylinder is provided at the front end of the folding seat, and the lever of the fourth cylinder is horizontally connected to the pushing plate backward, and the pushing plate is connected to the four-folding mold. The above-mentioned four-folding mold includes a vertically connected connecting plate and a movable plate, the movable plate is located above the loading module and is slidably connected to it, a pushing strip is provided at the front end of the movable plate to match the folding groove, a positioning groove is provided in the center of the movable plate, and the top of the loading module is located at the positioning groove and bolted to the pressing plate, and both ends of the pressing plate extend out of the positioning groove and the matching movable plate is provided with an L-shaped notch and is movably connected to the movable plate, the connecting plate is located at the front end of the loading module and a spring is connected between the inner side and the device module, the outer surface of the connecting plate contacts the pushing plate, pushes the pushing plate forward, and the pushing strip is embedded in the upper part of the folding groove and slides along it.

[0008] Preferably, positioning holes are provided at both ends of the above-mentioned loading module, and positioning pins are provided corresponding to the positioning holes on the tangent seat and the folding line seat. The positioning pins are plugged into the loading module through the positioning holes and the positioning pins do not extend out of the loading module. A first fixing pin is provided corresponding to the positioning hole on the first clamping mold, and the first fixing pin is inserted into the positioning hole after the first clamping mold is pressed down. A second fixing pin is provided corresponding to the positioning hole on the second clamping mold, and the second fixing pin is inserted into the positioning hole after the second clamping mold is pressed down.

[0009] Furthermore, it also includes a gasket, which matches the loading module and has three thickness specifications of 0.05 / 0.1 / 0.2 mm, and is installed between the loading module and the tangent seat or the folding seat.

[0010] Compared with the prior art, the beneficial effect of the present invention is that, for T-shaped magnetic cores, the present tooling can be used to perform cutting and folding, which can realize mass production of products, with high production efficiency and good consistency, and can quickly complete the winding assembly of small-sized products. Among them, the cutting seat and the first pressing mold / folding seat and the second pressing mold are used to clamp the pressing loading module for cutting and folding operations, which is beneficial to the stability of the magnetic core coil, facilitates the operation of the folding mold, prevents deviation, and improves the tightness of the pressing and fitting. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of the structure of the WTX power inductor semi-automatic assembly tooling; Figure 2 It is a schematic diagram of the structure of the loading module; Figure 3 A top view of the connection between the loading module and the four-folding mold; Figure 4 It is a side view of the connection between the loading module and the four-folding mold; Figure 5 This is the main view of the tangent module; Figure 6 This is the main view of the polyline module; Figure 7 is a side view of the fold line module; Figure 8 This is the main view of the one-fold (three-fold) mold; Fig. 9 It is a side view of a one-fold (three-fold) mold; Fig.10 The top view of the gasket. DETAILED DESCRIPTION

[0012] The present invention will be further explained below in conjunction with the accompanying drawings to facilitate better understanding by those skilled in the art.

[0013] Example 1 like Figure 1-10 As shown, a WTX power inductor semi-automatic assembly tool includes a tangent module 1, a folding module 2 and a loading module 3. The tangent module 1 and the folding module 2 are installed side by side on an operating table 4. The loading module 3 is provided with an inductor placement cavity 301 for placing a magnetic core coil combination, and folding grooves 302 are provided on both sides of the inductor placement cavity 301 corresponding to the coils extending from the magnetic core coils, for the coils to pass through when bending. The tangent module 1 includes a tangent seat 101 and a first pressing die 102 movably arranged above the tangent seat 101. A tangent die 5 and a folding die 6 are arranged below the first pressing die 102. The loading module 3 is placed between the tangent seat 101 and the first pressing die 102 for tangent and folding. The folding line module 2 includes a folding line seat 201 and a second pressing mold 202 movably arranged above the folding line seat 201. The rear end, lower end and front end of the folding line seat 201 are respectively provided with a two-folding mold 7, a three-folding mold 8 and a four-folding mold 9. The loading module 3 is placed between the folding line seat 201 and the second pressing mold 202 to perform two-fold, three-fold and four-fold. The loading module 3 is clamped and pressed by the cutting line seat 101 and the first pressing mold 102 / the folding line seat 201 and the second pressing mold 202 to perform cutting and folding operations, which is beneficial to the stability of the magnetic core coil, facilitates the operation of the folding line mold, prevents deviation, and improves the tightness of the pressing and fitting. For T-shaped magnetic cores, cutting and folding corners can be performed through this tooling, which can realize mass production of products with high production efficiency and good consistency, and can quickly complete the winding assembly of small-sized products.

[0014] The main body of the above-mentioned loading module 3 is a rectangular parallelepiped structure, and two longitudinally parallel slots are opened at the front end of the loading module 3 to form a fold line groove 302. A plurality of fold line grooves 302 are evenly spaced. A limiting portion 303 is upwardly provided near the front end of the loading module 3 near the fold line groove 302. The limiting portion 303 and the front end of the fold line groove 302 form an inductor placement cavity 301. The inductor placement cavity 301 has a certain limiting effect on the magnetic core coil, which is convenient for the accurate placement of the magnetic core coil. A cavity 304 is opened at the lower part of the fold line groove 302 at the front end of the loading module 3, which is conducive to fold line operation and avoids interference.

[0015] A tangent table 103 is provided at the rear end of the tangent seat 101, and a tangent station 104 is provided on the tangent table 103 corresponding to the folding groove 302 of the loading module 3. The top of the first clamping mold 102 is connected to the lever of the first cylinder 105, and both ends are movably sleeved on the guide rod. A tangent mold 5 and a folding mold 6 are provided at the lower end of the first clamping mold, and a first folding line 601 is provided on the side of the folding mold 6 corresponding to the folding groove 302. After the first clamping mold 102 is pressed down, the tangent mold 5 and the tangent station 104 are closed to complete the tangent, and the first folding line 601 moves downward along the front end of the loading mold 3 to make the coil bend downward.

[0016] A second cylinder 203 is installed at the rear end of the folding seat 2, and a lever of the second cylinder 203 is horizontally connected to the second folding mold 7 forward, the second folding mold 7 is embedded in the guide platform 10 and slides along it, and an L-shaped second folding line 701 is provided at the front end of the second folding mold 7 corresponding to the folding groove 302, a three-folding mold 8 is provided in the middle of the folding seat 201, and a third folding line 801 is provided at the top of the three-folding mold 8 corresponding to the folding groove 302, and the bottom end passes through the folding seat 201 and is connected to the lever of the third cylinder 204, and is driven by the third cylinder 204 to move up and down, a fourth cylinder 205 is provided at the front end of the folding seat 201, and a lever of the fourth cylinder 205 is horizontally connected to the push plate 206 backward, and the push plate 206 is connected to the four-folding mold 9, and the above-mentioned four-folding mold 9 includes a vertical connection The connecting plate 901 and the movable plate 902, the movable plate 902 is located above the loading module 3 and is slidably connected thereto, the front end of the movable plate 902 matches the folding groove 302 and is provided with a pushing strip 903, a positioning groove 904 is provided in the center of the movable plate 902, the top of the loading module 3 is located at the positioning groove 904 and is bolted to the pressing plate 905, both ends of the pressing plate 905 extend out of the positioning groove 904 and match the movable plate 902 with an L-shaped notch and is movably connected to the movable plate 902, the connecting plate 901 is located at the front end of the loading module 3 and a spring 906 is connected between the inner side and the device module 3, the outer surface of the connecting plate 901 contacts the pushing plate 206, pushes the pushing plate 206 forward, and the pushing strip 903 is embedded in the upper part of the folding groove 302 and slides along it.

[0017] The top of the second clamping mold 202 is connected to the lever of the fifth cylinder 207, and both ends are movably mounted on the guide rod. The front end of the second clamping mold 202 corresponds to the four-folding mold and is provided with a cavity for accommodating movement. The first clamping mold 102 is pressed down to clamp the top of the loading module 3.

[0018] Both ends of the loading module 3 are provided with positioning holes 305, and the corresponding positioning holes 305 on the tangent seat 101 and the folding seat 201 are respectively provided with a first positioning pin 105 and a second positioning pin 208, the positioning pins are plugged into the loading module 3 through the positioning holes 305 and the positioning pins do not extend out of the loading module 3, the corresponding positioning holes 305 on the first clamping mold 102 are provided with a first fixing pin 1021, and the first fixing pin 1021 is inserted into the positioning hole 305 after the first clamping mold 102 is pressed down, and the corresponding positioning holes 305 on the second clamping mold 202 are provided with a second fixing pin 2021, and the second fixing pin 2021 is inserted into the positioning hole 305 after the second clamping mold 202 is pressed down.

[0019] Furthermore, it also includes a gasket 11, which is a thin sheet with three specifications of thickness including 0.05 / 0.1 / 0.2 mm, and its shape matches the loading module 3, and is installed between the loading module 3 and the tangent seat 101 or the folding seat 201; placing the gasket under the loading module 3 can meet the assembly requirements of products of various specifications.

[0020] Working principle: Place the magnetic core coil assembly into the inductor placement cavity of the loading module 3, with the coil extending outward, place the loading module 3 on the tangent seat 101, use the first positioning pin 105 to position, turn on the device, extend the first cylinder 103 lever, press the first clamping mold 102 downward to clamp the loading module 3, the tangent mold 5 tangents the coil end, and at the same time, the folding mold 6 pushes downward to bend the coil, then the first cylinder 103 lever contracts, the first clamping mold 102 moves up, and the loading module 3 is manually transferred to The folding seat 201 next to it, puts the new loading module 3 into the cutting seat, and starts the equipment again. The first clamping mold 102 and the second clamping mold 202 press down the loading module 3 at the same time, the second cylinder 203 drives the two-folding mold 7, the third cylinder 204 drives the three-folding mold 8, and the fourth cylinder 205 drives the four-folding mold 9, and completes the two-fold, three-fold and four-fold in sequence. Then the first clamping mold 102 and the second clamping mold 202 move up, take out the loading module 3 on the folding seat 201, and repeat the above actions.

[0021] 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. A WTX power inductor semi-automatic assembly tool, characterized in that: The invention comprises a tangent module (1), a folding module (2) and a loading module (3); the loading module (3) is provided with an inductor placement cavity (301) and folding grooves (302) are provided on both sides of the inductor placement cavity (301); the tangent module (1) and the folding module (2) are installed side by side on an operating table (4); the tangent module (1) comprises a tangent seat (101) and a first pressing mold (102) movably arranged above the tangent seat (101); a tangent mold (5) and a folding mold (6) are provided below the first pressing mold (102). ), the loading module (3) is placed between the tangent seat (101) and the first pressing die (102) to perform tangent and one fold, the folding module (2) comprises a folding seat (201) and a second pressing die (202) movably arranged above the folding seat (201), the rear end, lower end and front end of the folding seat (201) are respectively provided with a two-folding die (7), a three-folding die (8) and a four-folding die (9), and the loading module (3) is placed between the folding seat (201) and the second pressing die (202) to perform two-folding, three-folding and four-folding.

2. The WTX power inductor semi-automatic assembly tool according to claim 1, characterized in that: The main body of the loading module (3) is in a rectangular parallelepiped structure. Two slots are longitudinally arranged in parallel at the front end of the loading module (3) to form a folding groove (302). A plurality of folding grooves (302) are arranged at even intervals. A limiting portion (303) is arranged upwardly near the front end of the loading module (3) and the folding groove (302). The limiting portion (303) and the front end of the folding groove (302) form an inductor placement cavity (301). A cavity (304) is arranged at the bottom of the folding groove (302) at the front end of the loading module (3).

3. The WTX power inductor semi-automatic assembly tool according to claim 2, characterized in that: A tangent table (103) is provided at the rear end of the tangent seat (101), and a tangent station (104) is provided on the tangent table (103) corresponding to the folding groove (302) of the loading module (3). The top end of the first pressing mold (102) is connected to the lever of the first cylinder (105), and both ends are movably sleeved on the guide rod. A tangent mold (5) and a folding mold (6) are provided at the lower end of the first pressing mold (102), and a first folding line (601) is provided on the side of the folding mold (6) corresponding to the folding groove (302). After the first pressing mold (102) is pressed down, the tangent mold (5) and the tangent station (104) are closed, and the first folding line (601) moves downward along the front end of the loading mold (3) to bend the coil downward.

4. The WTX power inductor semi-automatic assembly tool according to claim 2, characterized in that: The rear end of the folding seat (201) is provided with a second cylinder (203), the lever of the second cylinder (203) is horizontally connected to the two-folding mold (7) forwardly, the two-folding mold (7) is embedded in the guide platform (10) and slides along it, and the front end of the two-folding mold (7) is provided with an L-shaped second folding line (701) corresponding to the folding groove (302), the middle part of the folding seat (201) is provided with a three-folding mold (8), the top end of the three-folding mold (8) is provided with a third folding line (801) corresponding to the folding groove (302), the bottom end passes through the folding seat (201) and is connected to the lever of the third cylinder (204), and is driven by the third cylinder (204) to move up and down, the front end of the folding seat (201) is provided with a fourth cylinder (205), the lever of the fourth cylinder (205) is horizontally connected to the push plate (206) backwardly, and the push plate (206) is connected to the four-folding mold (9), and the four-folding mold (9) includes a vertically connected connecting plate (901) and a movable plate (902) ), the movable plate (902) is located above the loading module (3) and is slidably connected thereto, the front end of the movable plate (902) matches the folding groove (302) and is provided with a push bar (903), a positioning groove (904) is provided in the center of the movable plate (902), the top end of the loading module (3) is located at the positioning groove (904) and is bolted to the pressing plate (905), both ends of the pressing plate (905 extend out of the positioning groove (904) and are matched with the movable plate and are provided with an L-shaped notch and are movably connected to the movable plate (902), the connecting plate (901) is located at the front end of the loading module (3) and a spring (906) is connected between the inner side and the device module (3), the outer surface of the connecting plate (901) contacts the push plate (206) to push the push plate (206) forward, the push bar (903) is embedded in the upper part of the folding groove (302) and slides along it, the top end of the second pressing mold (202) is connected to the lever of the fifth cylinder (207), and the two ends are movably sleeved on the guide rod.

5. The WTX power inductor semi-automatic assembly tool according to claim 1, characterized in that: Both ends of the loading module (3) are provided with positioning holes (305); corresponding positioning holes (305) on the tangent seat (101) and the folding seat (201) are provided with a first positioning pin (105) and a second positioning pin (208), respectively; the positioning pins are plugged into the loading module (3) through the positioning holes (305) and do not extend out of the loading module (3); corresponding positioning holes (305) on the first pressing mold (102) are provided with a first fixing pin (1021); after the first pressing mold (102) is pressed down, the first fixing pin (1021) is inserted into the positioning hole (305); corresponding positioning holes (305) on the second pressing mold (202) are provided with a second fixing pin (2021); after the second pressing mold (202) is pressed down, the second fixing pin (2021) is inserted into the positioning hole (305).

6. A WTX power inductor semi-automatic assembly tool according to claim 5, characterized in that: It also includes a gasket (11), which matches the loading module (3) and has three thickness specifications of 0.05 / 0.1 / 0.2 mm, and is installed between the loading module (3) and the tangent seat (101) or the folding seat (201).

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