Integrated inductance three-station rotary hot press forming device and method

Abstract

The application relates to the technical field of magnetic component manufacturing equipment, and provides an integrated inductor three-station rotary hot-press forming device and method, which comprises a rack, a rotating platform, molds, a heating seat, a powder adding assembly and a hot-pressing assembly. The rotating platform is rotatably connected to the rack, the molds are arranged on the rotating platform and are provided in at least three; the heating seat is fixedly arranged on the molds and is used for heating and warming the magnetic powder; a positioning hole is arranged on the heating seat, a plurality of positioning holes are arranged at intervals in a horizontal direction, the positioning holes are used for positioning the coil body and are used for placing the magnetic powder; the powder adding assembly and the hot-pressing assembly are sequentially distributed along the rotating direction of the rotating platform, the powder adding assembly is used for adding the magnetic powder into the positioning hole, and the hot-pressing assembly is used for compacting and forming the coil body and the magnetic powder in the positioning hole.

Description

Technical Field

[0001] This application relates to the field of magnetic component manufacturing equipment technology, and in particular to an integrated inductor three-station rotary hot pressing molding apparatus and method. Background Technology

[0002] like Figure 1 The integrated inductor product, the magnetic core coil, consists of a coil body 100 and a connecting strip 200. Currently, magnetic core coils are typically produced using single-station hot pressing equipment. The production process requires multiple steps, including placing the magnetic core coil, filling with magnetic powder, preheating, hot pressing, cooling, and demolding, to encapsulate and compact the magnetic powder onto the outer periphery of the coil body. Because all these processes are completed in the same station, there is a long waiting time for the equipment during hot pressing and cooling, resulting in low overall equipment utilization and limited production efficiency, making it difficult to meet the growing market demand for production capacity.

[0003] To increase production capacity, some companies use multiple machines for collaborative production or rotary table equipment with a large number of workstations. While collaborative production with multiple machines can improve overall output efficiency, it requires a large number of machines, occupies a large area, and has high equipment purchase and maintenance costs. On the other hand, rotary table equipment with a large number of workstations can achieve continuous production, but it requires more molds and workstation mechanisms, resulting in a complex overall structure and higher manufacturing costs.

[0004] Regarding the aforementioned technologies, existing integrated inductor hot pressing molding equipment struggles to balance production efficiency, equipment complexity, and manufacturing costs, failing to meet the demands of efficient and low-cost large-scale production, and therefore requires improvement. Summary of the Invention

[0005] In order to improve the production efficiency and equipment utilization of integrated inductor hot pressing molding, and reduce equipment manufacturing costs and structural complexity, this application provides an integrated inductor three-station rotary hot pressing molding device.

[0006] Firstly, the integrated inductor three-station rotary hot pressing forming device provided in this application adopts the following technical solution: An integrated inductor three-station rotary hot pressing molding device includes a frame, a rotating platform, a mold, a heating seat, a powder feeding assembly, and a hot pressing assembly. The rotating platform is rotatably connected to the frame, and the rotating shaft of the rotating platform is in the vertical direction. The mold is disposed on the rotating platform, and at least three molds are provided. The heating seat is fixedly mounted on the mold. The heating seat has a built-in heating element for heating the magnetic powder. The heating seat has positioning holes, which are spaced apart horizontally. The positioning holes are used to position the coil body and to allow the magnetic powder to be inserted. The powder adding component and the hot pressing component are distributed sequentially along the rotation direction of the rotating platform. The powder adding component is used to add magnetic powder into the positioning hole, and the hot pressing component is used to compact and shape the coil body and magnetic powder in the positioning hole.

[0007] By adopting the above technical solution, during production, the operator first places the magnetic core coil to be processed on the mold, so that the coil body is embedded in the positioning hole to complete the precise positioning; the motor drives the rotating platform to rotate at a set angle, and the mold carrying the coil body flows to the powder adding component station. The powder adding component fills each positioning hole with a certain amount of magnetic powder, so that the magnetic powder evenly coats the coil body; at the same time, the heating element built into the heating seat is powered on and started to preheat the magnetic powder and coil in the mold cavity synchronously.

[0008] The rotating platform then continues to rotate, and the mold carrying the coil and magnetic powder flows to the hot pressing assembly station. The hot pressing assembly closes the mold and applies pressure. Under the set process temperature and holding time, the coil body and magnetic powder in the positioning hole are compacted and solidified to complete the hot pressing molding of the integrated inductor.

[0009] The rotary platform, equipped with multiple sets of molds, rotates intermittently, allowing processes such as material loading and unloading, powder preheating, and hot pressing to be carried out simultaneously and in parallel at different workstations. This eliminates the standby time of single-station equipment during the hot pressing and heating stages, effectively improving equipment utilization and production cycle time, and enabling continuous cyclic production of integrated inductors. The heating seat is integrated into the mold and rotates synchronously with it, continuously keeping the magnetic powder warm during workstation switching and reducing heat loss.

[0010] Preferably, the hot pressing assembly includes a driving component, a hot pressing base, and a hot pressing head. The hot pressing base is elliptical and mounted on the frame. The driving component is connected to the hot pressing base and is used to control the up and down movement of the hot pressing base. The hot pressing base has a built-in heating element. The hot pressing head is located on the side of the hot pressing base facing the mold, and the position of the hot pressing head corresponds vertically to the position of the positioning hole.

[0011] By adopting the above technical solution, the driving component drives the hot press base to rise and fall, causing the hot press head to close the mold and apply pressure, thus completing the hot pressing of magnetic powder and coil. The hot press base has a built-in heating element, which can maintain the molding process temperature and ensure molding quality. The hot press head and the positioning hole correspond one-to-one, allowing multiple products to be processed simultaneously. Moreover, the lifting structure does not interfere with the station switching of the rotating platform, making it suitable for continuous production needs.

[0012] Preferably, a guide post is fixedly connected to the mold, and a corresponding guide groove is provided on the hot press base. When the hot press base and the mold are close to each other, the guide post is located in the guide groove; wherein, the heating base is detachably locked to the mold by bolts.

[0013] By adopting the above technical solution, the guide post and guide groove can play a guiding and positioning role when the mold is closed, ensuring that the hot press head and the positioning hole are accurately aligned and improving the molding accuracy; the heating seat can be detached and locked by bolts, which is convenient for disassembly, maintenance and replacement, and can be adapted to the processing needs of different products.

[0014] Preferably, the powder feeding assembly includes a support base, a powder storage tank, a connecting pipe, a feeding pipe, a first baffle, a second baffle, an electric push rod, and a drive assembly. The powder storage tank is located on the upper side of the support base and is used to store magnetic powder. The feeding pipe is vertically located on the lower side of the support base, and the two ends of the connecting pipe are respectively connected to the powder storage tank and the feeding pipe. The first baffle is rotatably connected to the inside of the feeding tube and is used to control the closing or opening of the feeding tube; the driving assembly is disposed on the feeding tube and is used to control the rotation of the first baffle; the second baffle is horizontally movably connected to the feeding tube and is located below the first baffle; the electric push rod is connected to the second baffle and is used to control the horizontal movement of the second baffle. When the first baffle rotates to be parallel to the cross-section of the feeding tube, the first baffle blocks and intercepts the magnetic powder in the connecting tube; the electric push rod controls the movement of the second baffle, so that the magnetic powder in the feeding tube falls into the positioning hole.

[0015] By adopting the above technical solution, the magnetic powder in the powder storage tank is continuously fed into the upper part of the feeding pipe through the connecting pipe. During filling, the drive component first drives the first baffle to rotate and open, and the magnetic powder falls into the feeding pipe cavity above the second baffle. Then the first baffle rotates back and closes, blocking the magnetic powder in the upper powder storage tank, so that a fixed volume of magnetic powder is formed between the two baffles. Then the electric push rod drives the second baffle to move horizontally out, and the magnetic powder in the fixed volume cavity falls by its own weight and falls precisely into the positioning hole of the lower mold, completing a single fixed volume filling.

[0016] The alternating opening and closing structure of the double baffles can stably control the volume of powder filling each time, ensuring that the amount of powder filling in each positioning hole is uniform and consistent, avoiding the impact of differences in magnetic powder filling on product molding quality, and at the same time preventing the continuous spillage of magnetic powder, which would cause waste and dust pollution.

[0017] Preferably, it further includes a first cylinder, a second cylinder, a translation seat, and a lifting seat. The translation seat is horizontally movably connected to the frame. The first cylinder is connected to the translation seat and is used to drive the translation seat to move horizontally. The lifting seat is lifted and lowered on the translation seat via a guide rail. The second cylinder is connected to the lifting seat and is used to control the lifting seat to move up and down. The mounting seat is disposed on the lifting seat.

[0018] By adopting the above technical solution, the first cylinder can drive the translation seat to move horizontally, thereby adjusting the overall horizontal position of the powder feeding component and ensuring that the feeding pipe is precisely aligned with each row of positioning holes on the mold; the second cylinder can drive the lifting seat to move vertically up and down along the guide rail, thereby adjusting the vertical height of the powder feeding component. When filling powder, it descends to approach the mold to reduce magnetic powder splashing, and after filling powder, it rises to avoid interference with the rotating platform and the mold switching station.

[0019] Preferably, the drive assembly includes a fixed block, a movable block, a limiting strip, a gear, and a return spring. The fixed block is fixedly mounted on the feed tube. The movable block can move vertically and is located below the fixed block. The limiting strip is connected to the upper end of the movable block and passes through the fixed block. The lower end of the movable block is used to abut against the heating base. The two ends of the return spring are respectively connected to the movable block and the fixed block. The gear is coaxially mounted on the rotating shaft of the first baffle and is located outside the feed tube. The end of the limiting strip away from the movable block is meshed with the gear. When the second cylinder controls the lifting seat to move downwards in the direction close to the mold, the lower end of the movable block abuts against the heating seat, and the movement of the limiting strip drives the gear to rotate, causing the first baffle to rotate and block the magnetic powder.

[0020] By adopting the above technical solution, the cross-sectional shape of the first baffle is the same as that of the feeding pipe. In the initial state, the first baffle remains open, and magnetic powder falls from the powder storage tank through the connecting pipe to fill the feeding pipe cavity between the first and second baffles. When the second cylinder drives the lifting seat to move the powder feeding assembly downwards, the lower end of the movable block first abuts against the surface of the heating seat. As the lifting seat continues to move downwards, the movable block moves upwards relative to the feeding pipe due to the obstruction of the heating seat, causing the limiting strip to slide vertically upwards along the fixed block. The limiting strip drives the gear to rotate through tooth meshing, thereby driving the rotating shaft of the first baffle to rotate, so that the first baffle rotates to close the feeding pipe, blocking the magnetic powder above from continuing to fall. At this time, a fixed amount of magnetic powder volume is formed between the two baffles. Subsequently, the electric push rod drives the second baffle to move horizontally out, and the magnetic powder in the fixed volume cavity falls into the mold positioning hole by its own weight, completing a single fixed amount of powder filling.

[0021] After the powder filling is completed, the lifting seat rises, the reset spring releases its elastic force to push the movable block down to reset, the limit bar moves down synchronously and drives the gear to rotate in the opposite direction, causing the first baffle to reopen, and the magnetic powder falls again to fill the metering cavity, preparing for the next powder filling process. The entire drive assembly structure uses the lifting action of the powder filling assembly to mechanically trigger the closing of the first baffle, which is simple and reliable, and the opening and closing of the baffle is matched with the timing of the powder filling action.

[0022] Preferably, the lower end of the feeding pipe is provided with a tapered guide head.

[0023] By adopting the above technical solution, a conical guide head is set at the lower end of the feeding pipe, which can gather and guide the falling magnetic powder, so that the magnetic powder falls accurately into the positioning hole and reduce the splashing and leakage of magnetic powder during the filling process.

[0024] Preferably, the system further includes a collection frame, which is mounted on the frame. A partition plate is provided inside the collection frame, which divides the space of the collection frame into a processing chamber and a finished product chamber. The processing chamber and the finished product chamber are used to classify and place the workpieces and finished products, respectively.

[0025] By adopting the above technical solution, the collection box is divided into a processing chamber and a finished product chamber by a partition plate, which can store the coil to be processed and the finished product separately, realize the classification and placement of workpieces, facilitate operators to quickly pick up and put in materials at the loading and unloading station, avoid errors caused by mixing the workpieces to be processed and the finished products, and improve the efficiency of loading and unloading operations.

[0026] Preferably, a heat insulation layer is provided on the outer periphery of the hot press base.

[0027] By adopting the above technical solutions, the thermal insulation layer can isolate the high-temperature outer wall, prevent operators from being accidentally burned, and improve the safety of equipment operation.

[0028] Secondly, this application also provides a method for hot-pressing an integrated inductor using a three-station rotary hot-pressing apparatus with all the above-described structures to hot-press a magnetic core coil, comprising the following steps: S1. The staff first place the magnetic core coil to be processed steadily on the mold, so that the coil body falls into the positioning hole; S2. The rotating platform is driven by a motor to rotate at a certain angle, and the mold carrying the coil body moves to the position of the powder adding component. The powder adding component adds magnetic powder into the positioning hole, so that the coil body is wrapped with magnetic powder. At the same time, the power is turned on to heat the heating base. S3. The rotating platform moves further, and the mold carrying the coil body and magnetic powder moves to the location of the hot pressing component. The hot pressing component compacts the coil body and magnetic powder in the positioning hole at a specific temperature and time according to the process requirements to achieve molding.

[0029] In summary, this application includes at least one of the following beneficial technical effects: (1) The rotary three-station layout allows the feeding, unloading, powder preheating and hot pressing processes to be carried out in parallel, eliminating the waiting time of single-station equipment and improving equipment utilization and production efficiency; the three-station configuration is simplified, which can reduce equipment manufacturing costs and maintenance difficulty. (2) The powder feeding component adopts a double baffle quantitative structure. The first baffle is opened and closed in conjunction with the lifting action, which can stably control the amount of powder filling in a single time, ensure that the powder filling in each cavity is uniform and consistent, has high powder filling accuracy, and has a reliable structure, making it suitable for continuous cycle production. (3) The hot pressing assembly is precisely molded by guide pillars and guide grooves, and with the upper and lower heating working together, it can ensure that the product is subjected to pressure and heat evenly, and improve the consistency and processing quality of the integrated inductor molding. Attached Figure Description

[0030] Figure 1 This is a schematic diagram of the structure of the magnetic core coil in the background art of this application; Figure 2 This is a schematic diagram of the hot pressing forming apparatus in the embodiments of this application; Figure 3 This is a schematic diagram of the powder adding component and the mold in the embodiments of this application; Figure 4 This is a cross-sectional schematic diagram of the powder adding component in an embodiment of this application; Figure 5 yes Figure 4 An enlarged schematic diagram of part A in the middle section; Figure 6 This is a partial structural schematic diagram of the hot pressing forming apparatus in the embodiments of this application; Figure 7 This is a schematic diagram of the hot pressing forming device and the collection frame in the embodiments of this application; Reference numerals: 1. Frame; 2. Rotating platform; 3. Mold; 4. Heating seat; 5. Powder feeding assembly; 51. Support seat; 52. Powder storage tank; 53. Connecting pipe; 54. Feeding pipe; 55. First baffle; 56. Second baffle; 57. Electric push rod; 58. Drive assembly; 581. Fixed block; 582. Moving block; 583. Limiting strip; 584. Gear; 585. Return spring; 6. Hot pressing assembly; 61. Drive component; 62. Hot pressing seat; 63. Hot pressing head; 7. Positioning hole; 8. First cylinder; 9. Second cylinder; 10. Translation seat; 11. Lifting seat; 12. Conical guide head; 13. Guide column; 14. Guide groove; 15. Collection frame; 16. Divider plate. Detailed Implementation

[0031] The technical solutions of this application will now be described with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. This application can be embodied in many different forms and is not limited to the embodiments described herein.

[0032] In the representation of this application, the reference to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., means that a specific feature, structure, material, or characteristic represented in connection with that embodiment or example is included in at least one embodiment or example of this application. Moreover, the specific features, structures, materials, or characteristics represented may be combined in any suitable manner in one or more embodiments or examples.

[0033] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the application; the terms “comprising” and “having”, and any variations thereof, in the specification, claims, and foregoing description of the drawings are intended to cover non-exclusive inclusion.

[0034] In the description of the embodiments of this application, unless otherwise expressly specified and limited, the technical terms "installation," "connection," "joining," "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection; a detachable connection; an integral part; or a mechanical connection. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this application according to the specific circumstances.

[0035] The following detailed description of some embodiments of this application is provided in conjunction with the accompanying drawings. Without conflict, those skilled in the art can combine and integrate the different embodiments or examples shown in this application, as well as the features of those embodiments or examples.

[0036] This application discloses an integrated inductor three-station rotary hot pressing forming apparatus. (Refer to...) Figures 2 to 3 The hot pressing forming device includes a frame 1, a rotating platform 2, a mold 3, a heating seat 4, a powder feeding assembly 5, and a hot pressing assembly 6. The frame 1 serves as a carrier and is fixedly installed on the ground. The rotating platform 2 is rotatably connected to the frame 1, and the rotation axis of the rotating platform 2 is vertical. The mold 3 is fixedly installed on the rotating platform 2, and three molds 3 are arranged at intervals along the circumference, that is, the angle between two adjacent molds 3 is 120°.

[0037] The heating base 4 is fixedly and detachably connected to the mold 3, and is locked in place by fastening bolts. The heating base 4 has a built-in heating element for heating the magnetic powder. Positioning holes 7 are provided on the heating base 4. These holes are used to position the coil body and to allow magnetic powder to be inserted. The size of the coil body is smaller than the positioning holes 7 so that the magnetic powder can fall into the positioning holes 7 through the gaps. Several positioning holes 7 are spaced horizontally, each corresponding to a specific coil body. The powder adding component 5 and the hot pressing component 6 are distributed sequentially along the rotation direction of the rotating platform 2. The powder adding component 5 is used to add magnetic powder into the positioning holes 7, and the hot pressing component 6 is used to compact and shape the coil body and magnetic powder within the positioning holes 7.

[0038] During production, the operator first places the magnetic core coil to be processed on the mold 3, so that the coil body is embedded in the positioning hole 7 for precise positioning; the motor drives the rotating platform 2 to rotate at a set angle, and the mold 3 carrying the coil body is transferred to the powder filling component 5 station. The powder filling component 5 fills each positioning hole 7 with a certain amount of magnetic powder, so that the magnetic powder evenly coats the coil body; at the same time, the heating element built into the heating seat 4 is powered on and started to preheat the magnetic powder and coil in the mold cavity synchronously.

[0039] Subsequently, the rotating platform 2 continues to rotate, and the mold 3 carrying the coil and magnetic powder flows to the hot pressing component 6 station. The hot pressing component 6 closes the mold and applies pressure, and under the set process temperature and holding time, the coil body and magnetic powder in the positioning hole 7 are compacted and solidified to complete the hot pressing molding of the integrated inductor.

[0040] Reference Figure 4 and Figure 5 Specifically, the powder feeding assembly 5 includes a support base 51, a powder storage tank 52, a connecting pipe 53, a feeding pipe 54, a first baffle 55, a second baffle 56, an electric push rod 57, and a drive assembly 58. The powder storage tank 52 is fixedly installed on the upper side of the support base 51 and is used to store magnetic powder. The feeding pipe 54 is vertically installed on the lower side of the support base 51. The two ends of the connecting pipe 53 are connected to the powder storage tank 52 and the feeding pipe 54, respectively. The magnetic powder in the magnetic powder tank falls into the feeding pipe 54 through the connecting pipe 53.

[0041] A first baffle 55 is rotatably connected inside the feed tube 54 to control the opening or closing of the feed tube 54. The rotation axis of the first baffle 55 is horizontal, and the shape of the first baffle 55 is the same as the cross-sectional shape of the feed tube 54. A drive assembly 58 is mounted on the feed tube 54 to control the rotation of the first baffle 55. A second baffle 56 is horizontally movably connected to the feed tube 54 and located below the first baffle 55. An electric push rod 57 is connected to the second baffle 56 to control the horizontal movement of the second baffle 56. The direction of movement of the second baffle 56 is parallel to the rotation axis of the first baffle 55. When the first baffle 55 rotates to be parallel to the cross-section of the feed tube 54, the first baffle 55 blocks and intercepts the magnetic powder in the connecting tube 53, ensuring that only the magnetic powder below the first baffle 55 falls into the positioning hole 7. The electric push rod 57 controls the movement of the second baffle 56, causing the magnetic powder in the feed tube 54 to fall into the positioning hole 7.

[0042] The magnetic powder in the powder storage tank 52 is continuously fed into the upper part of the feeding pipe 54 through the connecting pipe 53. When filling the powder, the drive component 58 first drives the first baffle 55 to rotate and open, and the magnetic powder falls into the cavity of the feeding pipe 54 above the second baffle 56. Then the first baffle 55 rotates and closes, blocking the magnetic powder in the upper powder storage tank 52, so that a fixed amount of magnetic powder is formed between the two baffles. Then the electric push rod 57 drives the second baffle 56 to move horizontally out, and the magnetic powder in the fixed amount cavity falls by its own weight and falls precisely into the positioning hole 7 of the lower mold 3, completing a single fixed amount of powder filling.

[0043] The frame 1 is equipped with a first cylinder 8, a second cylinder 9, a translation seat 10, and a lifting seat 11. The translation seat 10 is horizontally movably connected to the frame 1. The piston rod of the first cylinder 8 is connected to the translation seat 10 to drive its horizontal movement. The lifting seat 11 is mounted on the translation seat 10 via guide rails. The piston rod of the second cylinder 9 is connected to the lifting seat 11 to control its vertical movement. A mounting seat is fixedly connected to the lifting seat 11. The first cylinder 8 controls the movement of the translation seat 10, allowing the mounting seat to move smoothly to directly above the mold 3, aligning the lower end of the feed tube 54 with the positioning hole 7. The lower end of the feed tube 54 is open. The second cylinder 9 controls the vertical movement of the lifting seat 11, ensuring that the feed tube 54 can move closer to or further away from the positioning hole 7.

[0044] The first cylinder 8 can drive the translation seat 10 to move horizontally, thereby adjusting the overall horizontal position of the powder adding component 5 so that the feeding pipe 54 is precisely aligned with the positioning holes 7 on the mold 3; the second cylinder 9 can drive the lifting seat 11 to move vertically up and down along the guide rail, thereby adjusting the vertical height of the powder adding component 5. When filling powder, it lowers to get closer to the mold 3 to reduce magnetic powder splashing, and after filling powder, it rises to avoid it.

[0045] The drive assembly 58 includes a fixed block 581, a movable block 582, a limiting strip 583, a gear 584, and a return spring 585. The fixed block 581 is fixedly mounted on the feed tube 54. The movable block 582 can move vertically and is located below the fixed block 581. The moving direction of the movable block 582 is parallel to the moving direction of the lifting seat 11. The limiting strip 583 is fixedly connected to the upper end of the movable block 582 and passes through the fixed block 581. The lower end of the movable block 582 is used to abut against the heating seat 4. The two ends of the return spring 585 are respectively connected to the movable block 582 and the fixed block 581, and the return spring 585 is sleeved on the limiting strip 583. The gear 584 is coaxially mounted on the rotating shaft of the first baffle 55 and is located outside the feed tube 54. The end of the limiting strip 583 away from the movable block 582 is provided with teeth, which mesh with the gear 584.

[0046] When the second cylinder 9 controls the lifting seat 11 to move downwards towards the mold 3, the lower end of the movable block 582 first abuts against the heating seat 4. At this time, there is still a certain distance between the lower end of the feeding pipe 54 and the positioning hole 7. As the feeding pipe 54 moves further downwards, the movable block 582 and the feeding pipe 54 undergo relative displacement. The movement of the limiting strip 583 can drive the gear 584 to rotate, causing the first baffle 55 to rotate and block the magnetic powder. At this time, the first baffle 55 and the second baffle 56 are parallel to each other. The lower end of the feeding pipe 54 is provided with a conical guide head 12, which is used to guide the magnetic powder so that the magnetic powder falls accurately into the positioning hole 7, reducing the splashing and leakage of magnetic powder during the filling process.

[0047] Initially, the first baffle 55 remains open, and magnetic powder falls from the powder storage tank 52 through the connecting pipe 53, filling the cavity of the feeding pipe 54 between the first baffle 55 and the second baffle 56. When the second cylinder 9 drives the lifting seat 11 to move the powder feeding assembly 5 downwards, the lower end of the movable block 582 first abuts against the surface of the heating seat 4. As the lifting seat 11 continues to move downwards, the movable block 582 is blocked by the heating seat 4 and moves upwards relative to the feeding pipe 54, causing the limiting strip 583 to slide vertically upwards along the fixed block 581. The limiting strip 583 drives the gear 584 to rotate through tooth meshing, thereby driving the shaft of the first baffle 55 to rotate, causing the first baffle 55 to rotate to close the feeding pipe 54, blocking the magnetic powder above from continuing to fall. At this time, a fixed amount of magnetic powder is formed between the two baffles. Subsequently, the electric push rod 57 drives the second baffle 56 to move horizontally out, and the magnetic powder in the fixed amount cavity falls into the positioning hole 7 of the mold 3 by its own weight, completing a single fixed amount of powder filling.

[0048] After the powder filling is completed, the lifting seat 11 rises, the reset spring 585 releases its elastic force to push the movable block 582 down to reset, the limit bar 583 moves down synchronously and drives the gear 584 to rotate in the opposite direction, so that the first baffle 55 reopens, and the magnetic powder falls down again to fill the quantitative cavity, preparing for the next powder filling process.

[0049] Reference Figure 6 In this embodiment, the hot pressing assembly 6 includes a driving component 61, a hot pressing base 62, and a hot pressing head 63. The hot pressing base 62 is elliptical and mounted on the frame 1. The driving component 61 is connected to the hot pressing base 62 and is used to control the up-and-down movement of the hot pressing base 62. The driving component 61 is a commonly used device, such as a hydraulic cylinder. The hot pressing base 62 has a built-in heating element, which can convert electrical energy into heat energy when energized. The hot pressing head 63 is fixedly connected to the side of the hot pressing base 62 facing the mold 3. Several hot pressing heads 63 are arranged in parallel, and the positions of each hot pressing head 63 correspond vertically to the positioning holes 7, so as to process multiple products simultaneously. During hot pressing, the driving component 61 drives the hot pressing base 62 to rise and fall, causing the hot pressing head 63 to close the mold and apply pressure, completing the hot pressing molding of magnetic powder and coil. The built-in heating element in the hot pressing base 62 can maintain the molding process temperature and ensure the molding quality.

[0050] The mold 3 is fixedly connected to guide pillars 13, two of which are arranged in parallel. The hot press base 62 has corresponding guide grooves 14, the number of which is equal to the number of guide pillars 13. When the hot press base 62 and the mold 3 approach each other, the guide pillars 13 are located within the guide grooves 14. The cooperation between the guide pillars 13 and the guide grooves 14 provides guidance and positioning during mold closing, ensuring precise alignment between the hot press head 63 and the positioning hole 7, thus improving molding accuracy. The outer periphery of the hot press base 62 is also provided with a thermal insulation layer. The materials of the thermal insulation layer include, but are not limited to, inorganic materials (such as rock wool and glass wool) and organic materials (such as polystyrene board and polyurethane). The thermal insulation layer can insulate against the high-temperature outer wall, preventing accidental burns to operators and improving the safety of equipment operation.

[0051] Reference Figure 7 In addition, a collection frame 15 is installed on the frame 1. A partition plate 16 is provided inside the collection frame 15. The partition plate 16 divides the space of the collection frame 15 into a processing chamber and a finished product chamber. The processing chamber is used to place the workpieces to be processed, and the finished product chamber is used to place the finished products. This makes it easy for operators to quickly pick up and put down materials at the loading and unloading station, avoids errors caused by mixing the workpieces to be processed and the finished products, and improves the efficiency of loading and unloading operations.

[0052] The implementation principle of the integrated inductor three-station rotary hot pressing molding device in this application embodiment is as follows: During production, the operator places the magnetic core coil to be processed in the mold 3, and the coil body is embedded in the positioning hole 7 to complete precise positioning; the motor drives the rotary platform 2 to rotate at a set angle, and the mold 3 carrying the coil body moves to the powder adding component 5 station. The powder adding component 5 quantitatively fills magnetic powder into each positioning hole 7, evenly wrapping the coil body; at the same time, the heating element built into the heating seat 4 is energized to preheat the magnetic powder and coil in the mold cavity synchronously. The rotary platform 2 continues to rotate, and the mold 3 carrying the coil and magnetic powder moves to the hot pressing component 6 station. The hot pressing component 6 closes the mold and applies pressure, and under the set process temperature and holding time, compacts and solidifies the coil body and magnetic powder, completing the integrated inductor hot pressing molding.

[0053] The rotating platform 2 is equipped with multiple sets of molds 3 that rotate intermittently. Processes such as feeding, unloading, powdering and preheating, and hot pressing can be carried out simultaneously in different workstations, eliminating the standby time of single-workstation equipment during the hot pressing and heating stages, improving equipment utilization and production cycle, and realizing continuous cyclic production of integrated inductors.

[0054] Based on the above embodiments, this application also provides a method for hot-pressing an integrated inductor using a three-station rotary hot-pressing device with all the above-described structures to hot-press the magnetic core coil. The method specifically includes the following steps: S1. The staff first place the magnetic core coil to be processed steadily on the mold 3, so that the coil body falls into the positioning hole 7; S2. The rotating platform 2 is driven by a motor to rotate at a set angle, and the mold 3 carrying the coil body moves to the position of the powder adding component 5. The powder adding component 5 adds magnetic powder into the positioning hole 7 so that the coil body is completely wrapped with magnetic powder. At the same time, the power is turned on to heat the heating base 4. S3. The rotating platform 2 continues to rotate, and the mold 3 carrying the coil body and magnetic powder moves to the position of the hot pressing component 6. The hot pressing component 6, according to the process requirements, presses the coil body and magnetic powder in the positioning hole 7 at the set temperature and time to complete the hot pressing molding of the integrated inductor.

[0055] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. An integrated inductive three-station rotary hot pressing forming device, characterized in that, It includes a frame (1), a rotating platform (2), a mold (3), a heating seat (4), a powder feeding assembly (5), and a hot pressing assembly (6). The rotating platform (2) is rotatably connected to the frame (1). The rotating shaft of the rotating platform (2) is in the vertical direction. The mold (3) is located on the rotating platform (2), and at least three of them are provided. The heating seat (4) is fixedly mounted on the mold (3). The heating seat (4) has a built-in heating element for heating the magnetic powder. The heating seat (4) has a positioning hole (7) with several holes spaced at intervals along the horizontal direction. The positioning hole (7) is used to position the coil body and to allow the magnetic powder to be placed in. The powder adding component (5) and the hot pressing component (6) are distributed sequentially along the rotation direction of the rotating platform (2). The powder adding component (5) is used to add magnetic powder into the positioning hole (7), and the hot pressing component (6) is used to compact and shape the coil body and magnetic powder in the positioning hole (7).

2. The integrated inductor three-station rotary hot pressing forming device according to claim 1, characterized in that, The hot pressing assembly (6) includes a driving component (61), a hot pressing base (62), and a hot pressing head (63). The hot pressing base (62) is raised and lowered on the frame (1). The driving component (61) is connected to the hot pressing base (62) and is used to control the hot pressing base (62) to move up and down. The hot pressing base (62) has a built-in heating element. The hot pressing head (63) is located on the side of the hot pressing base (62) facing the mold (3). The hot pressing head (63) corresponds vertically to the position of the positioning hole (7).

3. The integrated inductor three-station rotary hot pressing forming device according to claim 2, characterized in that, A guide post (13) is fixedly connected to the mold (3), and a guide groove (14) is correspondingly opened on the hot press base (62). When the hot press base (62) and the mold (3) approach each other, the guide post (13) is located in the guide groove (14); wherein, the heating base (4) is detachably locked to the mold (3) by bolts.

4. The integrated inductor three-station rotary hot pressing forming device according to claim 1, characterized in that, The powder feeding assembly (5) includes a support base (51), a powder storage tank (52), a connecting pipe (53), a feeding pipe (54), a first baffle (55), a second baffle (56), an electric push rod (57), and a drive assembly (58). The powder storage tank (52) is located on the upper side of the support base (51) and is used to store magnetic powder. The feeding pipe (54) is vertically located on the lower side of the support base (51). The two ends of the connecting pipe (53) are respectively connected to the powder storage tank (52) and the feeding pipe (54). The first baffle (55) is rotatably connected to the inside of the feed tube (54) and is used to control the closing or opening of the feed tube (54); the drive assembly (58) is disposed on the feed tube (54) and is used to control the rotation of the first baffle (55); the second baffle (56) is horizontally movably connected to the feed tube (54) and is located below the first baffle (55); the electric push rod (57) is connected to the second baffle (56) and is used to control the horizontal movement of the second baffle (56); When the first baffle (55) rotates to be parallel to the cross-section of the feed tube (54), the first baffle (55) blocks and intercepts the magnetic powder in the connecting tube (53); the electric push rod (57) controls the second baffle (56) to move, so that the magnetic powder in the feed tube (54) falls into the positioning hole (7).

5. The integrated inductor three-station rotary hot pressing forming device according to claim 4, characterized in that, It also includes a first cylinder (8), a second cylinder (9), a translation seat (10), and a lifting seat (11). The translation seat (10) is horizontally movably connected to the frame (1). The first cylinder (8) is connected to the translation seat (10) and is used to drive the translation seat (10) to move horizontally. The lifting seat (11) is lifted and lowered on the translation seat (10) via a guide rail. The second cylinder (9) is connected to the lifting seat (11) and is used to control the lifting seat (11) to move up and down. The mounting seat is located on the lifting seat (11).

6. The integrated inductor three-station rotary hot pressing forming device according to claim 5, characterized in that, The drive assembly (58) includes a fixed block (581), a movable block (582), a limiting strip (583), a gear (584), and a return spring (585). The fixed block (581) is fixedly mounted on the feed tube (54). The movable block (582) can move vertically and is located below the fixed block (581). The limiting strip (583) is connected to the upper end of the movable block (582) and passes through the fixed block (581). The lower end of the movable block (582) is used to abut against the heating seat (4). The two ends of the return spring (585) are respectively connected to the movable block (582) and the fixed block (581). The gear (584) is coaxially disposed on the rotating shaft of the first baffle (55). The gear (584) is located outside the feed tube (54). The end of the limiting strip (583) away from the movable block (582) is meshed with the gear (584). When the second cylinder (9) controls the lifting seat (11) to move down in the direction close to the mold (3), the lower end of the movable block (582) abuts against the heating seat (4), and the movement of the limiting strip (583) drives the gear (584) to rotate, so that the first baffle (55) rotates and blocks the magnetic powder.

7. The integrated inductor three-station rotary hot pressing forming device according to claim 4, characterized in that, The lower end of the feed pipe (54) is provided with a conical guide head (12).

8. The integrated inductor three-station rotary hot pressing forming device according to claim 1, characterized in that, It also includes a collection frame (15), which is located on the frame (1). A partition plate (16) is provided inside the collection frame (15). The partition plate (16) divides the space of the collection frame (15) into a processing chamber and a finished product chamber. The processing chamber and the finished product chamber are used to classify and place the workpiece and the finished product, respectively.

9. The integrated inductor three-station rotary hot pressing forming device according to claim 2, characterized in that, A heat insulation layer is provided on the outer periphery of the hot press base (62).

10. A method for hot-pressing an integrated inductor using a three-station rotary hot-pressing device as described in any one of claims 1 to 9, characterized in that, Includes the following steps: S1. The staff first place the magnetic core coil to be processed on the mold (3) so that the coil body falls into the positioning hole (7); S2. The rotating platform (2) is driven by a motor to rotate at a certain angle, and the mold (3) carrying the coil body moves to the position of the powder adding component (5). The magnetic powder is added into the positioning hole (7) through the powder adding component (5), so that the coil body is wrapped with magnetic powder. At the same time, the power supply is turned on to heat the heating seat (4). S3. The rotating platform (2) moves further, and the mold (3) carrying the coil body and magnetic powder moves to the location of the hot pressing assembly (6). The hot pressing assembly (6) presses the coil body and magnetic powder in the positioning hole (7) at a specific temperature and time according to the process requirements to achieve molding.

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